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diff --git a/plugins/calendar/calendar.php b/plugins/calendar/calendar.php
index 552bafc8..fb9321c8 100644
--- a/plugins/calendar/calendar.php
+++ b/plugins/calendar/calendar.php
@@ -1,4014 +1,4017 @@
<?php
/**
* Calendar plugin for Roundcube webmail
*
* @author Lazlo Westerhof <hello@lazlo.me>
* @author Thomas Bruederli <bruederli@kolabsys.com>
*
* Copyright (C) 2010, Lazlo Westerhof <hello@lazlo.me>
* Copyright (C) 2014-2015, Kolab Systems AG <contact@kolabsys.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#[AllowDynamicProperties]
class calendar extends rcube_plugin
{
const FREEBUSY_UNKNOWN = 0;
const FREEBUSY_FREE = 1;
const FREEBUSY_BUSY = 2;
const FREEBUSY_TENTATIVE = 3;
const FREEBUSY_OOF = 4;
const SESSION_KEY = 'calendar_temp';
public $task = '?(?!logout).*';
public $rc;
public $lib;
public $resources_dir;
public $home; // declare public to be used in other classes
public $urlbase;
public $timezone;
public $timezone_offset;
public $gmt_offset;
public $dst_active;
public $ui;
public $defaults = [
'calendar_default_view' => "agendaWeek",
'calendar_timeslots' => 2,
'calendar_work_start' => 6,
'calendar_work_end' => 18,
'calendar_agenda_range' => 60,
'calendar_show_weekno' => 0,
'calendar_first_day' => 1,
'calendar_first_hour' => 6,
'calendar_time_format' => null,
'calendar_event_coloring' => 0,
'calendar_time_indicator' => true,
'calendar_allow_invite_shared' => false,
'calendar_itip_send_option' => 3,
'calendar_itip_after_action' => 0,
];
// These are implemented with __get()
// private $ical;
// private $itip;
// private $driver;
/**
* Plugin initialization.
*/
function init()
{
$this->rc = rcube::get_instance();
$this->register_task('calendar', 'calendar');
// load calendar configuration
$this->load_config();
// catch iTIP confirmation requests that don're require a valid session
if ($this->rc->action == 'attend' && !empty($_REQUEST['_t'])) {
$this->add_hook('startup', [$this, 'itip_attend_response']);
}
else if ($this->rc->action == 'feed' && !empty($_REQUEST['_cal'])) {
$this->add_hook('startup', [$this, 'ical_feed_export']);
}
else if ($this->rc->task != 'login') {
// default startup routine
$this->add_hook('startup', [$this, 'startup']);
}
$this->add_hook('user_delete', [$this, 'user_delete']);
}
/**
* Setup basic plugin environment and UI
*/
protected function setup()
{
$this->require_plugin('libcalendaring');
$this->require_plugin('libkolab');
require $this->home . '/lib/calendar_ui.php';
// load localizations
$this->add_texts('localization/', $this->rc->task == 'calendar' && (!$this->rc->action || $this->rc->action == 'print'));
$this->lib = libcalendaring::get_instance();
$this->timezone = $this->lib->timezone;
$this->gmt_offset = $this->lib->gmt_offset;
$this->dst_active = $this->lib->dst_active;
$this->timezone_offset = $this->gmt_offset / 3600 - $this->dst_active;
$this->ui = new calendar_ui($this);
}
/**
* Startup hook
*/
public function startup($args)
{
// the calendar module can be enabled/disabled by the kolab_auth plugin
if ($this->rc->config->get('calendar_disabled', false)
|| !$this->rc->config->get('calendar_enabled', true)
) {
return;
}
$this->setup();
// load Calendar user interface
if (!$this->rc->output->ajax_call
&& (empty($this->rc->output->env['framed']) || $args['action'] == 'preview')
) {
$this->ui->init();
// settings are required in (almost) every GUI step
if ($args['action'] != 'attend') {
$this->rc->output->set_env('calendar_settings', $this->load_settings());
}
// A hack to replace "Edit/Share Calendar" label with "Edit calendar", for non-Kolab driver
if ($args['task'] == 'calendar' && $this->rc->config->get('calendar_driver', 'database') !== 'kolab') {
$merge = ['calendar.editcalendar' => $this->gettext('edcalendar')];
$this->rc->load_language(null, [], $merge);
$this->rc->output->command('add_label', $merge);
}
}
if ($args['task'] == 'calendar' && $args['action'] != 'save-pref') {
if ($args['action'] != 'upload') {
$this->load_driver();
}
// register calendar actions
$this->register_action('index', [$this, 'calendar_view']);
$this->register_action('event', [$this, 'event_action']);
$this->register_action('calendar', [$this, 'calendar_action']);
$this->register_action('count', [$this, 'count_events']);
$this->register_action('load_events', [$this, 'load_events']);
$this->register_action('export_events', [$this, 'export_events']);
$this->register_action('import_events', [$this, 'import_events']);
$this->register_action('upload', [$this, 'attachment_upload']);
$this->register_action('get-attachment', [$this, 'attachment_get']);
$this->register_action('freebusy-status', [$this, 'freebusy_status']);
$this->register_action('freebusy-times', [$this, 'freebusy_times']);
$this->register_action('randomdata', [$this, 'generate_randomdata']);
$this->register_action('print', [$this,'print_view']);
$this->register_action('mailimportitip', [$this, 'mail_import_itip']);
$this->register_action('mailimportattach', [$this, 'mail_import_attachment']);
$this->register_action('dialog-ui', [$this, 'mail_message2event']);
$this->register_action('check-recent', [$this, 'check_recent']);
$this->register_action('itip-status', [$this, 'event_itip_status']);
$this->register_action('itip-remove', [$this, 'event_itip_remove']);
$this->register_action('itip-decline-reply', [$this, 'mail_itip_decline_reply']);
$this->register_action('itip-delegate', [$this, 'mail_itip_delegate']);
$this->register_action('resources-list', [$this, 'resources_list']);
$this->register_action('resources-owner', [$this, 'resources_owner']);
$this->register_action('resources-calendar', [$this, 'resources_calendar']);
$this->register_action('resources-autocomplete', [$this, 'resources_autocomplete']);
$this->register_action('talk-room-create', [$this, 'talk_room_create']);
$this->add_hook('refresh', [$this, 'refresh']);
// remove undo information...
if (!empty($_SESSION['calendar_event_undo'])) {
$undo = $_SESSION['calendar_event_undo'];
// ...after timeout
$undo_time = $this->rc->config->get('undo_timeout', 0);
if ($undo['ts'] < time() - $undo_time) {
$this->rc->session->remove('calendar_event_undo');
// @TODO: do EXPUNGE on kolab objects?
}
}
}
else if ($args['task'] == 'settings') {
// add hooks for Calendar settings
$this->add_hook('preferences_sections_list', [$this, 'preferences_sections_list']);
$this->add_hook('preferences_list', [$this, 'preferences_list']);
$this->add_hook('preferences_save', [$this, 'preferences_save']);
}
else if ($args['task'] == 'mail') {
// hooks to catch event invitations on incoming mails
if ($args['action'] == 'show' || $args['action'] == 'preview') {
$this->add_hook('template_object_messagebody', [$this, 'mail_messagebody_html']);
}
// add 'Create event' item to message menu
if ($this->api->output->type == 'html' && (empty($_GET['_rel']) || $_GET['_rel'] != 'event')) {
$this->api->output->add_label('calendar.createfrommail');
$this->api->add_content(
html::tag('li', ['role' => 'menuitem'],
$this->api->output->button([
'command' => 'calendar-create-from-mail',
'label' => 'calendar.createfrommail',
'type' => 'link',
'classact' => 'icon calendarlink active',
'class' => 'icon calendarlink disabled',
'innerclass' => 'icon calendar',
])
),
'messagemenu'
);
}
$this->add_hook('messages_list', [$this, 'mail_messages_list']);
$this->add_hook('message_compose', [$this, 'mail_message_compose']);
}
else if ($args['task'] == 'addressbook') {
if ($this->rc->config->get('calendar_contact_birthdays')) {
$this->add_hook('contact_update', [$this, 'contact_update']);
$this->add_hook('contact_create', [$this, 'contact_update']);
}
}
// add hooks to display alarms
$this->add_hook('pending_alarms', [$this, 'pending_alarms']);
$this->add_hook('dismiss_alarms', [$this, 'dismiss_alarms']);
}
/**
* Helper method to load the backend driver according to local config
*/
private function load_driver()
{
if (!empty($this->driver)) {
return;
}
$driver_name = $this->rc->config->get('calendar_driver', 'database');
$driver_class = $driver_name . '_driver';
require_once $this->home . '/drivers/calendar_driver.php';
require_once $this->home . '/drivers/' . $driver_name . '/' . $driver_class . '.php';
$this->driver = new $driver_class($this);
if ($this->driver->undelete) {
$this->driver->undelete = $this->rc->config->get('undo_timeout', 0) > 0;
}
}
/**
* Load iTIP functions
*/
private function load_itip()
{
if (empty($this->itip)) {
require_once $this->home . '/lib/calendar_itip.php';
$this->itip = new calendar_itip($this);
if ($this->rc->config->get('kolab_invitation_calendars')) {
$this->itip->set_rsvp_actions(['accepted','tentative','declined','delegated','needs-action']);
}
}
return $this->itip;
}
/**
* Load iCalendar functions
*/
public function get_ical()
{
if (empty($this->ical)) {
$this->ical = libcalendaring::get_ical();
}
return $this->ical;
}
/**
* Get properties of the calendar this user has specified as default
*/
public function get_default_calendar($calendars = null)
{
if ($calendars === null) {
$filter = calendar_driver::FILTER_PERSONAL | calendar_driver::FILTER_WRITEABLE;
$calendars = $this->driver->list_calendars($filter);
}
$default_id = $this->rc->config->get('calendar_default_calendar');
$calendar = !empty($calendars[$default_id]) ? $calendars[$default_id] : null;
$first = null;
if (!$calendar) {
foreach ($calendars as $cal) {
if (!empty($cal['default']) && $cal['editable']) {
$calendar = $cal;
}
if ($cal['editable']) {
$first = $cal;
}
}
}
return $calendar ?: $first;
}
/**
* Render the main calendar view from skin template
*/
function calendar_view()
{
$this->rc->output->set_pagetitle($this->gettext('calendar'));
// Add JS files to the page header
$this->ui->addJS();
$this->ui->init_templates();
$this->rc->output->add_label('lowest','low','normal','high','highest','delete',
'cancel','uploading','noemailwarning','close'
);
// initialize attendees autocompletion
$this->rc->autocomplete_init();
$this->rc->output->set_env('timezone', $this->timezone->getName());
$this->rc->output->set_env('calendar_driver', $this->rc->config->get('calendar_driver'), false);
$this->rc->output->set_env('calendar_resources', (bool)$this->rc->config->get('calendar_resources_driver'));
$this->rc->output->set_env('identities-selector', $this->ui->identity_select([
'id' => 'edit-identities-list',
'aria-label' => $this->gettext('roleorganizer'),
'class' => 'form-control custom-select',
]));
$view = rcube_utils::get_input_value('view', rcube_utils::INPUT_GPC);
if (in_array($view, ['agendaWeek', 'agendaDay', 'month', 'list'])) {
$this->rc->output->set_env('view', $view);
}
if ($date = rcube_utils::get_input_value('date', rcube_utils::INPUT_GPC)) {
$this->rc->output->set_env('date', $date);
}
if ($msgref = rcube_utils::get_input_value('itip', rcube_utils::INPUT_GPC)) {
$this->rc->output->set_env('itip_events', $this->itip_events($msgref));
}
$this->rc->output->send('calendar.calendar');
}
/**
* Handler for preferences_sections_list hook.
* Adds Calendar settings sections into preferences sections list.
*
* @param array Original parameters
*
* @return array Modified parameters
*/
function preferences_sections_list($p)
{
$p['list']['calendar'] = [
'id' => 'calendar',
'section' => $this->gettext('calendar'),
];
return $p;
}
/**
* Handler for preferences_list hook.
* Adds options blocks into Calendar settings sections in Preferences.
*
* @param array Original parameters
*
* @return array Modified parameters
*/
function preferences_list($p)
{
if ($p['section'] != 'calendar') {
return $p;
}
$no_override = array_flip((array) $this->rc->config->get('dont_override'));
$p['blocks']['view']['name'] = $this->gettext('mainoptions');
if (!isset($no_override['calendar_default_view'])) {
if (empty($p['current'])) {
$p['blocks']['view']['content'] = true;
return $p;
}
$field_id = 'rcmfd_default_view';
$view = $this->rc->config->get('calendar_default_view', $this->defaults['calendar_default_view']);
$select = new html_select(['name' => '_default_view', 'id' => $field_id]);
$select->add($this->gettext('day'), "agendaDay");
$select->add($this->gettext('week'), "agendaWeek");
$select->add($this->gettext('month'), "month");
$select->add($this->gettext('agenda'), "list");
$p['blocks']['view']['options']['default_view'] = [
'title' => html::label($field_id, rcube::Q($this->gettext('default_view'))),
'content' => $select->show($view == 'table' ? 'list' : $view),
];
}
if (!isset($no_override['calendar_timeslots'])) {
if (empty($p['current'])) {
$p['blocks']['view']['content'] = true;
return $p;
}
$field_id = 'rcmfd_timeslots';
$choices = ['1', '2', '3', '4', '6'];
$timeslots = $this->rc->config->get('calendar_timeslots', $this->defaults['calendar_timeslots']);
$select = new html_select(['name' => '_timeslots', 'id' => $field_id]);
$select->add($choices, $choices);
$p['blocks']['view']['options']['timeslots'] = [
'title' => html::label($field_id, rcube::Q($this->gettext('timeslots'))),
'content' => $select->show(strval($timeslots)),
];
}
if (!isset($no_override['calendar_first_day'])) {
if (empty($p['current'])) {
$p['blocks']['view']['content'] = true;
return $p;
}
$field_id = 'rcmfd_firstday';
$first_day = $this->rc->config->get('calendar_first_day', $this->defaults['calendar_first_day']);
$select = new html_select(['name' => '_first_day', 'id' => $field_id]);
$select->add($this->gettext('sunday'), '0');
$select->add($this->gettext('monday'), '1');
$select->add($this->gettext('tuesday'), '2');
$select->add($this->gettext('wednesday'), '3');
$select->add($this->gettext('thursday'), '4');
$select->add($this->gettext('friday'), '5');
$select->add($this->gettext('saturday'), '6');
$p['blocks']['view']['options']['first_day'] = [
'title' => html::label($field_id, rcube::Q($this->gettext('first_day'))),
'content' => $select->show(strval($first_day)),
];
}
if (!isset($no_override['calendar_first_hour'])) {
if (empty($p['current'])) {
$p['blocks']['view']['content'] = true;
return $p;
}
$first_hour = $this->rc->config->get('calendar_first_hour', $this->defaults['calendar_first_hour']);
$time_format = $this->rc->config->get('calendar_time_format', $this->defaults['calendar_time_format']);
$time_format = $this->rc->config->get('time_format', libcalendaring::to_php_date_format($time_format));
$field_id = 'rcmfd_firsthour';
$select_hours = new html_select(['name' => '_first_hour', 'id' => $field_id]);
for ($h = 0; $h < 24; $h++) {
$select_hours->add(date($time_format, mktime($h, 0, 0)), $h);
}
$p['blocks']['view']['options']['first_hour'] = [
'title' => html::label($field_id, rcube::Q($this->gettext('first_hour'))),
'content' => $select_hours->show($first_hour),
];
}
if (!isset($no_override['calendar_work_start'])) {
if (empty($p['current'])) {
$p['blocks']['view']['content'] = true;
return $p;
}
$field_id = 'rcmfd_workstart';
$work_start = $this->rc->config->get('calendar_work_start', $this->defaults['calendar_work_start']);
$work_end = $this->rc->config->get('calendar_work_end', $this->defaults['calendar_work_end']);
$p['blocks']['view']['options']['workinghours'] = [
'title' => html::label($field_id, rcube::Q($this->gettext('workinghours'))),
'content' => html::div('input-group',
$select_hours->show($work_start, ['name' => '_work_start', 'id' => $field_id])
. html::span('input-group-append input-group-prepend', html::span('input-group-text',' &mdash; '))
. $select_hours->show($work_end, ['name' => '_work_end', 'id' => $field_id])
)
];
}
if (!isset($no_override['calendar_event_coloring'])) {
if (empty($p['current'])) {
$p['blocks']['view']['content'] = true;
return $p;
}
$field_id = 'rcmfd_coloring';
$mode = $this->rc->config->get('calendar_event_coloring', $this->defaults['calendar_event_coloring']);
$select_colors = new html_select(['name' => '_event_coloring', 'id' => $field_id]);
$select_colors->add($this->gettext('coloringmode0'), 0);
$select_colors->add($this->gettext('coloringmode1'), 1);
$select_colors->add($this->gettext('coloringmode2'), 2);
$select_colors->add($this->gettext('coloringmode3'), 3);
$p['blocks']['view']['options']['eventcolors'] = [
'title' => html::label($field_id, rcube::Q($this->gettext('eventcoloring'))),
'content' => $select_colors->show($mode),
];
}
// loading driver is expensive, don't do it if not needed
$this->load_driver();
if (!isset($no_override['calendar_default_alarm_type']) || !isset($no_override['calendar_default_alarm_offset'])) {
if (empty($p['current'])) {
$p['blocks']['view']['content'] = true;
return $p;
}
$alarm_type = $alarm_offset = '';
if (!isset($no_override['calendar_default_alarm_type'])) {
$field_id = 'rcmfd_alarm';
$select_type = new html_select(['name' => '_alarm_type', 'id' => $field_id]);
$select_type->add($this->gettext('none'), '');
foreach ($this->driver->alarm_types as $type) {
$select_type->add($this->rc->gettext(strtolower("alarm{$type}option"), 'libcalendaring'), $type);
}
$alarm_type = $select_type->show($this->rc->config->get('calendar_default_alarm_type', ''));
}
if (!isset($no_override['calendar_default_alarm_offset'])) {
$field_id = 'rcmfd_alarm';
$input_value = new html_inputfield(['name' => '_alarm_value', 'id' => $field_id . 'value', 'size' => 3]);
$select_offset = new html_select(['name' => '_alarm_offset', 'id' => $field_id . 'offset']);
foreach (['-M','-H','-D','+M','+H','+D'] as $trigger) {
$select_offset->add($this->rc->gettext('trigger' . $trigger, 'libcalendaring'), $trigger);
}
$preset = libcalendaring::parse_alarm_value($this->rc->config->get('calendar_default_alarm_offset', '-15M'));
$alarm_offset = $input_value->show($preset[0]) . ' ' . $select_offset->show($preset[1]);
}
$p['blocks']['view']['options']['alarmtype'] = [
'title' => html::label($field_id, rcube::Q($this->gettext('defaultalarmtype'))),
'content' => html::div('input-group', $alarm_type . ' ' . $alarm_offset),
];
}
if (!isset($no_override['calendar_default_calendar'])) {
if (empty($p['current'])) {
$p['blocks']['view']['content'] = true;
return $p;
}
// default calendar selection
$field_id = 'rcmfd_default_calendar';
$filter = calendar_driver::FILTER_PERSONAL | calendar_driver::FILTER_ACTIVE | calendar_driver::FILTER_INSERTABLE;
$select_cal = new html_select(['name' => '_default_calendar', 'id' => $field_id, 'is_escaped' => true]);
$default_calendar = null;
foreach ((array) $this->driver->list_calendars($filter) as $id => $prop) {
$select_cal->add($prop['name'], strval($id));
if (!empty($prop['default'])) {
$default_calendar = $id;
}
}
$p['blocks']['view']['options']['defaultcalendar'] = [
'title' => html::label($field_id, rcube::Q($this->gettext('defaultcalendar'))),
'content' => $select_cal->show($this->rc->config->get('calendar_default_calendar', $default_calendar)),
];
}
if (!isset($no_override['calendar_show_weekno'])) {
if (empty($p['current'])) {
$p['blocks']['view']['content'] = true;
return $p;
}
$field_id = 'rcmfd_show_weekno';
$select = new html_select(['name' => '_show_weekno', 'id' => $field_id]);
$select->add($this->gettext('weeknonone'), -1);
$select->add($this->gettext('weeknodatepicker'), 0);
$select->add($this->gettext('weeknoall'), 1);
$p['blocks']['view']['options']['show_weekno'] = [
'title' => html::label($field_id, rcube::Q($this->gettext('showweekno'))),
'content' => $select->show(intval($this->rc->config->get('calendar_show_weekno'))),
];
}
$p['blocks']['itip']['name'] = $this->gettext('itipoptions');
// Invitations handling
if (!isset($no_override['calendar_itip_after_action'])) {
if (empty($p['current'])) {
$p['blocks']['itip']['content'] = true;
return $p;
}
$field_id = 'rcmfd_after_action';
$select = new html_select([
'name' => '_after_action',
'id' => $field_id,
'onchange' => "\$('#{$field_id}_select')[this.value == 4 ? 'show' : 'hide']()"
]);
$select->add($this->gettext('afternothing'), '');
$select->add($this->gettext('aftertrash'), 1);
$select->add($this->gettext('afterdelete'), 2);
$select->add($this->gettext('afterflagdeleted'), 3);
$select->add($this->gettext('aftermoveto'), 4);
$val = $this->rc->config->get('calendar_itip_after_action', $this->defaults['calendar_itip_after_action']);
$folder = null;
if ($val !== null && $val !== '' && !is_int($val)) {
$folder = $val;
$val = 4;
}
$folders = $this->rc->folder_selector([
'id' => $field_id . '_select',
'name' => '_after_action_folder',
'maxlength' => 30,
'folder_filter' => 'mail',
'folder_rights' => 'w',
'style' => $val !== 4 ? 'display:none' : '',
]);
$p['blocks']['itip']['options']['after_action'] = [
'title' => html::label($field_id, rcube::Q($this->gettext('afteraction'))),
'content' => html::div(
'input-group input-group-combo',
$select->show($val) . $folders->show($folder)
),
];
}
// category definitions
if (empty($this->driver->nocategories) && !isset($no_override['calendar_categories'])) {
$p['blocks']['categories']['name'] = $this->gettext('categories');
if (empty($p['current'])) {
$p['blocks']['categories']['content'] = true;
return $p;
}
$categories = (array) $this->driver->list_categories();
$categories_list = '';
foreach ($categories as $name => $color) {
$key = md5($name);
$field_class = 'rcmfd_category_' . str_replace(' ', '_', $name);
$category_remove = html::span('input-group-append',
html::a([
'class' => 'button icon delete input-group-text',
'onclick' => '$(this).parent().parent().remove()',
'title' => $this->gettext('remove_category'),
'href' => '#rcmfd_new_category',
],
html::span('inner', $this->gettext('delete'))
)
);
$category_name = new html_inputfield(array('name' => "_categories[$key]", 'class' => $field_class, 'size' => 30, 'disabled' => $this->driver->categoriesimmutable));
$category_color = new html_inputfield(array('name' => "_colors[$key]", 'class' => "$field_class colors", 'size' => 6));
$hidden = '';
if (!empty($this->driver->categoriesimmutable)) {
$hidden = html::tag('input', ['type' => 'hidden', 'name' => "_categories[$key]", 'value' => $name]);
}
$categories_list .= $hidden
. html::div('input-group', $category_name->show($name) . $category_color->show($color) . $category_remove);
}
$p['blocks']['categories']['options']['category_' . $name] = [
'content' => html::div(['id' => 'calendarcategories'], $categories_list),
];
$field_id = 'rcmfd_new_category';
$new_category = new html_inputfield(['name' => '_new_category', 'id' => $field_id, 'size' => 30]);
$add_category = html::span('input-group-append',
html::a(
[
'type' => 'button',
'class' => 'button create input-group-text',
'title' => $this->gettext('add_category'),
'onclick' => 'rcube_calendar_add_category()',
'href' => '#rcmfd_new_category',
],
html::span('inner', $this->gettext('add_category'))
)
);
$p['blocks']['categories']['options']['categories'] = [
'content' => html::div('input-group', $new_category->show('') . $add_category),
];
$this->rc->output->add_label('delete', 'calendar.remove_category');
$this->rc->output->add_script('
function rcube_calendar_add_category() {
var name = $("#rcmfd_new_category").val();
if (name.length) {
var button_label = rcmail.gettext("calendar.remove_category");
var input = $("<input>").attr({type: "text", name: "_categories[]", size: 30, "class": "form-control"}).val(name);
var color = $("<input>").attr({type: "text", name: "_colors[]", size: 6, "class": "colors form-control"}).val("000000");
var button = $("<a>").attr({"class": "button icon delete input-group-text", title: button_label, href: "#rcmfd_new_category"})
.click(function() { $(this).parent().parent().remove(); })
.append($("<span>").addClass("inner").text(rcmail.gettext("delete")));
$("<div>").addClass("input-group").append(input).append(color).append($("<span class=\'input-group-append\'>").append(button))
.appendTo("#calendarcategories");
color.minicolors(rcmail.env.minicolors_config || {});
$("#rcmfd_new_category").val("");
}
}',
'foot'
);
$this->rc->output->add_script('
$("#rcmfd_new_category").keypress(function(event) {
if (event.which == 13) {
rcube_calendar_add_category();
event.preventDefault();
}
});',
'docready'
);
// load miniColors js/css files
jqueryui::miniColors();
}
// virtual birthdays calendar
if (!isset($no_override['calendar_contact_birthdays'])) {
$p['blocks']['birthdays']['name'] = $this->gettext('birthdayscalendar');
if (empty($p['current'])) {
$p['blocks']['birthdays']['content'] = true;
return $p;
}
$field_id = 'rcmfd_contact_birthdays';
$input = new html_checkbox([
'name' => '_contact_birthdays',
'id' => $field_id,
'value' => 1,
'onclick' => '$(".calendar_birthday_props").prop("disabled",!this.checked)'
]);
$p['blocks']['birthdays']['options']['contact_birthdays'] = [
'title' => html::label($field_id, $this->gettext('displaybirthdayscalendar')),
'content' => $input->show($this->rc->config->get('calendar_contact_birthdays') ? 1 : 0),
];
$input_attrib = [
'class' => 'calendar_birthday_props',
'disabled' => !$this->rc->config->get('calendar_contact_birthdays'),
];
$sources = [];
$checkbox = new html_checkbox(['name' => '_birthday_adressbooks[]'] + $input_attrib);
foreach ($this->rc->get_address_sources(false, true) as $source) {
// Roundcube >= 1.5, Ignore Collected Recipients and Trusted Senders sources
if ((defined('rcube_addressbook::TYPE_RECIPIENT') && $source['id'] == (string) rcube_addressbook::TYPE_RECIPIENT)
|| (defined('rcube_addressbook::TYPE_TRUSTED_SENDER') && $source['id'] == (string) rcube_addressbook::TYPE_TRUSTED_SENDER)
) {
continue;
}
$active = in_array($source['id'], (array) $this->rc->config->get('calendar_birthday_adressbooks')) ? $source['id'] : '';
$sources[] = html::tag('li', null,
html::label(null,
$checkbox->show($active, ['value' => $source['id']])
. rcube::Q(!empty($source['realname']) ? $source['realname'] : $source['name'])
)
);
}
$p['blocks']['birthdays']['options']['birthday_adressbooks'] = [
'title' => rcube::Q($this->gettext('birthdayscalendarsources')),
'content' => html::tag('ul', 'proplist', implode("\n", $sources)),
];
$field_id = 'rcmfd_birthdays_alarm';
$select_type = new html_select(['name' => '_birthdays_alarm_type', 'id' => $field_id] + $input_attrib);
$select_type->add($this->gettext('none'), '');
foreach ($this->driver->alarm_types as $type) {
$select_type->add($this->rc->gettext(strtolower("alarm{$type}option"), 'libcalendaring'), $type);
}
$input_value = new html_inputfield(['name' => '_birthdays_alarm_value', 'id' => $field_id . 'value', 'size' => 3] + $input_attrib);
$select_offset = new html_select(['name' => '_birthdays_alarm_offset', 'id' => $field_id . 'offset'] + $input_attrib);
foreach (['-M','-H','-D'] as $trigger) {
$select_offset->add($this->rc->gettext('trigger' . $trigger, 'libcalendaring'), $trigger);
}
$preset = libcalendaring::parse_alarm_value($this->rc->config->get('calendar_birthdays_alarm_offset', '-1D'));
$preset_type = $this->rc->config->get('calendar_birthdays_alarm_type', '');
$p['blocks']['birthdays']['options']['birthdays_alarmoffset'] = [
'title' => html::label($field_id, rcube::Q($this->gettext('showalarms'))),
'content' => html::div('input-group',
$select_type->show($preset_type)
. $input_value->show($preset[0]) . ' ' . $select_offset->show($preset[1])
),
];
}
return $p;
}
/**
* Handler for preferences_save hook.
* Executed on Calendar settings form submit.
*
* @param array Original parameters
*
* @return array Modified parameters
*/
function preferences_save($p)
{
if ($p['section'] == 'calendar') {
$this->load_driver();
// compose default alarm preset value
$alarm_offset = rcube_utils::get_input_value('_alarm_offset', rcube_utils::INPUT_POST);
$alarm_value = rcube_utils::get_input_value('_alarm_value', rcube_utils::INPUT_POST);
$default_alarm = $alarm_offset[0] . intval($alarm_value) . $alarm_offset[1];
$birthdays_alarm_offset = rcube_utils::get_input_value('_birthdays_alarm_offset', rcube_utils::INPUT_POST);
$birthdays_alarm_value = rcube_utils::get_input_value('_birthdays_alarm_value', rcube_utils::INPUT_POST);
$birthdays_alarm_value = $birthdays_alarm_offset[0] . intval($birthdays_alarm_value) . $birthdays_alarm_offset[1];
$p['prefs'] = [
'calendar_default_view' => rcube_utils::get_input_value('_default_view', rcube_utils::INPUT_POST),
'calendar_timeslots' => intval(rcube_utils::get_input_value('_timeslots', rcube_utils::INPUT_POST)),
'calendar_first_day' => intval(rcube_utils::get_input_value('_first_day', rcube_utils::INPUT_POST)),
'calendar_first_hour' => intval(rcube_utils::get_input_value('_first_hour', rcube_utils::INPUT_POST)),
'calendar_work_start' => intval(rcube_utils::get_input_value('_work_start', rcube_utils::INPUT_POST)),
'calendar_work_end' => intval(rcube_utils::get_input_value('_work_end', rcube_utils::INPUT_POST)),
'calendar_show_weekno' => intval(rcube_utils::get_input_value('_show_weekno', rcube_utils::INPUT_POST)),
'calendar_event_coloring' => intval(rcube_utils::get_input_value('_event_coloring', rcube_utils::INPUT_POST)),
'calendar_default_alarm_type' => rcube_utils::get_input_value('_alarm_type', rcube_utils::INPUT_POST),
'calendar_default_alarm_offset' => $default_alarm,
'calendar_default_calendar' => rcube_utils::get_input_value('_default_calendar', rcube_utils::INPUT_POST),
'calendar_date_format' => null, // clear previously saved values
'calendar_time_format' => null,
'calendar_contact_birthdays' => (bool) rcube_utils::get_input_value('_contact_birthdays', rcube_utils::INPUT_POST),
'calendar_birthday_adressbooks' => (array) rcube_utils::get_input_value('_birthday_adressbooks', rcube_utils::INPUT_POST),
'calendar_birthdays_alarm_type' => rcube_utils::get_input_value('_birthdays_alarm_type', rcube_utils::INPUT_POST),
'calendar_birthdays_alarm_offset' => $birthdays_alarm_value ?: null,
'calendar_itip_after_action' => intval(rcube_utils::get_input_value('_after_action', rcube_utils::INPUT_POST)),
];
if ($p['prefs']['calendar_itip_after_action'] == 4) {
$p['prefs']['calendar_itip_after_action'] = rcube_utils::get_input_value('_after_action_folder', rcube_utils::INPUT_POST, true);
}
// categories
if (empty($this->driver->nocategories)) {
$old_categories = $new_categories = [];
foreach ($this->driver->list_categories() as $name => $color) {
$old_categories[md5($name)] = $name;
}
$categories = (array) rcube_utils::get_input_value('_categories', rcube_utils::INPUT_POST);
$colors = (array) rcube_utils::get_input_value('_colors', rcube_utils::INPUT_POST);
foreach ($categories as $key => $name) {
if (!isset($colors[$key])) {
continue;
}
$color = preg_replace('/^#/', '', strval($colors[$key]));
// rename categories in existing events -> driver's job
if (!empty($old_categories[$key])) {
$oldname = $old_categories[$key];
$this->driver->replace_category($oldname, $name, $color);
unset($old_categories[$key]);
}
else {
$this->driver->add_category($name, $color);
}
$new_categories[$name] = $color;
}
// these old categories have been removed, alter events accordingly -> driver's job
foreach ((array) $old_categories as $key => $name) {
$this->driver->remove_category($name);
}
$p['prefs']['calendar_categories'] = $new_categories;
}
}
return $p;
}
/**
* Dispatcher for calendar actions initiated by the client
*/
function calendar_action()
{
$action = rcube_utils::get_input_value('action', rcube_utils::INPUT_GPC);
$cal = rcube_utils::get_input_value('c', rcube_utils::INPUT_GPC);
$success = false;
$reload = false;
if (isset($cal['showalarms'])) {
$cal['showalarms'] = intval($cal['showalarms']);
}
switch ($action) {
case "form-new":
case "form-edit":
echo $this->ui->calendar_editform($action, $cal);
exit;
case "new":
$success = $this->driver->create_calendar($cal);
$reload = true;
break;
case "edit":
$success = $this->driver->edit_calendar($cal);
$reload = true;
break;
case "delete":
if ($success = $this->driver->delete_calendar($cal)) {
$this->rc->output->command('plugin.destroy_source', ['id' => $cal['id']]);
}
break;
case "subscribe":
if (!$this->driver->subscribe_calendar($cal)) {
$this->rc->output->show_message($this->gettext('errorsaving'), 'error');
}
else {
$calendars = $this->driver->list_calendars();
$calendar = !empty($calendars[$cal['id']]) ? $calendars[$cal['id']] : null;
// find parent folder and check if it's a "user calendar"
// if it's also activated we need to refresh it (#5340)
while (!empty($calendar['parent'])) {
if (isset($calendars[$calendar['parent']])) {
$calendar = $calendars[$calendar['parent']];
}
else {
break;
}
}
if ($calendar && $calendar['id'] != $cal['id']
&& !empty($calendar['active'])
&& $calendar['group'] == "other user"
) {
$this->rc->output->command('plugin.refresh_source', $calendar['id']);
}
}
return;
case "search":
$results = [];
$color_mode = $this->rc->config->get('calendar_event_coloring', $this->defaults['calendar_event_coloring']);
$query = rcube_utils::get_input_value('q', rcube_utils::INPUT_GPC);
$source = rcube_utils::get_input_value('source', rcube_utils::INPUT_GPC);
foreach ((array) $this->driver->search_calendars($query, $source) as $id => $prop) {
$editname = $prop['editname'];
unset($prop['editname']); // force full name to be displayed
$prop['active'] = false;
// let the UI generate HTML and CSS representation for this calendar
$html = $this->ui->calendar_list_item($id, $prop, $jsenv);
$cal = $jsenv[$id];
$cal['editname'] = $editname;
$cal['html'] = $html;
if (!empty($prop['color'])) {
$cal['css'] = $this->ui->calendar_css_classes($id, $prop, $color_mode);
}
$results[] = $cal;
}
// report more results available
if (!empty($this->driver->search_more_results)) {
$this->rc->output->show_message('autocompletemore', 'notice');
}
$reqid = rcube_utils::get_input_value('_reqid', rcube_utils::INPUT_GPC);
$this->rc->output->command('multi_thread_http_response', $results, $reqid);
return;
}
if ($success) {
$this->rc->output->show_message('successfullysaved', 'confirmation');
}
else {
$error_msg = $this->gettext('errorsaving');
if (!empty($this->driver->last_error)) {
$error_msg .= ': ' . $this->driver->last_error;
}
$this->rc->output->show_message($error_msg, 'error');
}
$this->rc->output->command('plugin.unlock_saving');
if ($success && $reload) {
$this->rc->output->command('plugin.reload_view');
}
}
/**
* Dispatcher for event actions initiated by the client
*/
function event_action()
{
$action = rcube_utils::get_input_value('action', rcube_utils::INPUT_GPC);
$event = rcube_utils::get_input_value('e', rcube_utils::INPUT_POST, true);
$success = $reload = $got_msg = false;
$old = null;
// read old event data in order to find changes
if ((!empty($event['_notify']) || !empty($event['_decline'])) && $action != 'new') {
$old = $this->driver->get_event($event);
// load main event if savemode is 'all' or if deleting 'future' events
if (!empty($old['recurrence_id'])
&& !empty($event['_savemode'])
&& ($event['_savemode'] == 'all' || ($event['_savemode'] == 'future' && $action == 'remove' && empty($event['_decline'])))
) {
$old['id'] = $old['recurrence_id'];
$old = $this->driver->get_event($old);
}
}
switch ($action) {
case "new":
// create UID for new event
$event['uid'] = $this->generate_uid();
if (!$this->write_preprocess($event, $action)) {
$got_msg = true;
}
else if ($success = $this->driver->new_event($event)) {
$event['id'] = $event['uid'];
$event['_savemode'] = 'all';
$this->cleanup_event($event);
$this->event_save_success($event, null, $action, true);
$this->talk_room_update($event);
}
$reload = $success && !empty($event['recurrence']) ? 2 : 1;
break;
case "edit":
if (!$this->write_preprocess($event, $action)) {
$got_msg = true;
}
else if ($success = $this->driver->edit_event($event)) {
$this->cleanup_event($event);
$this->event_save_success($event, $old, $action, $success);
$this->talk_room_update($event);
}
$reload = $success && (!empty($event['recurrence']) || !empty($event['_savemode']) || !empty($event['_fromcalendar'])) ? 2 : 1;
break;
case "resize":
if (!$this->write_preprocess($event, $action)) {
$got_msg = true;
}
else if ($success = $this->driver->resize_event($event)) {
$this->event_save_success($event, $old, $action, $success);
}
$reload = !empty($event['_savemode']) ? 2 : 1;
break;
case "move":
if (!$this->write_preprocess($event, $action)) {
$got_msg = true;
}
else if ($success = $this->driver->move_event($event)) {
$this->event_save_success($event, $old, $action, $success);
}
$reload = $success && !empty($event['_savemode']) ? 2 : 1;
break;
case "remove":
// remove previous deletes
$undo_time = $this->driver->undelete ? $this->rc->config->get('undo_timeout', 0) : 0;
// search for event if only UID is given
if (!isset($event['calendar']) && !empty($event['uid'])) {
if (!($event = $this->driver->get_event($event, calendar_driver::FILTER_WRITEABLE))) {
break;
}
$undo_time = 0;
}
// Note: the driver is responsible for setting $_SESSION['calendar_event_undo']
// containing 'ts' and 'data' elements
$success = $this->driver->remove_event($event, $undo_time < 1);
$reload = (!$success || !empty($event['_savemode'])) ? 2 : 1;
if ($undo_time > 0 && $success) {
// display message with Undo link.
$onclick = sprintf("%s.http_request('event', 'action=undo', %s.display_message('', 'loading'))",
rcmail_output::JS_OBJECT_NAME,
rcmail_output::JS_OBJECT_NAME
);
$msg = html::span(null, $this->gettext('successremoval'))
. ' ' . html::a(['onclick' => $onclick], $this->gettext('undo'));
$this->rc->output->show_message($msg, 'confirmation', null, true, $undo_time);
$got_msg = true;
}
else if ($success) {
$this->rc->output->show_message('calendar.successremoval', 'confirmation');
$got_msg = true;
}
// send cancellation for the main event
if (isset($event['_savemode']) && $event['_savemode'] == 'all') {
unset($old['_instance'], $old['recurrence_date'], $old['recurrence_id']);
}
// send an update for the main event's recurrence rule instead of a cancellation message
else if (isset($event['_savemode']) && $event['_savemode'] == 'future' && !is_bool($success)) {
$event['_savemode'] = 'all'; // force event_save_success() to load master event
$action = 'edit';
$success = true;
}
// send iTIP reply that participant has declined the event
if ($success && !empty($event['_decline'])) {
$emails = $this->get_user_emails();
$organizer = null;
foreach ($old['attendees'] as $i => $attendee) {
if ($attendee['role'] == 'ORGANIZER') {
$organizer = $attendee;
}
else if (!empty($attendee['email']) && in_array(strtolower($attendee['email']), $emails)) {
$old['attendees'][$i]['status'] = 'DECLINED';
$reply_sender = $attendee['email'];
}
}
if ($event['_savemode'] == 'future' && $event['id'] != $old['id']) {
$old['thisandfuture'] = true;
}
$itip = $this->load_itip();
$itip->set_sender_email($reply_sender);
if ($organizer && $itip->send_itip_message($old, 'REPLY', $organizer, 'itipsubjectdeclined', 'itipmailbodydeclined')) {
$mailto = !empty($organizer['name']) ? $organizer['name'] : $organizer['email'];
$msg = $this->gettext(['name' => 'sentresponseto', 'vars' => ['mailto' => $mailto]]);
$this->rc->output->command('display_message', $msg, 'confirmation');
}
else {
$this->rc->output->command('display_message', $this->gettext('itipresponseerror'), 'error');
}
}
else if ($success) {
$this->event_save_success($event, $old, $action, $success);
}
break;
case "undo":
// Restore deleted event
if (!empty($_SESSION['calendar_event_undo']['data'])) {
$event = $_SESSION['calendar_event_undo']['data'];
$success = $this->driver->restore_event($event);
}
if ($success) {
$this->rc->session->remove('calendar_event_undo');
$this->rc->output->show_message('calendar.successrestore', 'confirmation');
$got_msg = true;
$reload = 2;
}
break;
case "rsvp":
$itip_sending = $this->rc->config->get('calendar_itip_send_option', $this->defaults['calendar_itip_send_option']);
$status = rcube_utils::get_input_value('status', rcube_utils::INPUT_POST);
$attendees = rcube_utils::get_input_value('attendees', rcube_utils::INPUT_POST);
$reply_comment = $event['comment'];
$this->write_preprocess($event, 'edit');
$ev = $this->driver->get_event($event);
$ev['attendees'] = $event['attendees'];
$ev['free_busy'] = $event['free_busy'];
$ev['_savemode'] = $event['_savemode'];
$ev['comment'] = $reply_comment;
// send invitation to delegatee + add it as attendee
if ($status == 'delegated' && !empty($event['to'])) {
$itip = $this->load_itip();
if ($itip->delegate_to($ev, $event['to'], !empty($event['rsvp']), $attendees)) {
$this->rc->output->show_message('calendar.itipsendsuccess', 'confirmation');
$noreply = false;
}
}
$event = $ev;
// compose a list of attendees affected by this change
$updated_attendees = array_filter(array_map(function($j) use ($event) {
return $event['attendees'][$j];
},
$attendees
));
if ($success = $this->driver->edit_rsvp($event, $status, $updated_attendees)) {
$noreply = rcube_utils::get_input_value('noreply', rcube_utils::INPUT_GPC);
$noreply = intval($noreply) || $status == 'needs-action' || $itip_sending === 0;
$reload = $event['calendar'] != $ev['calendar'] || !empty($event['recurrence']) ? 2 : 1;
$emails = $this->get_user_emails();
$ownedResourceEmails = $this->owned_resources_emails();
$organizer = null;
$resourceConfirmation = false;
foreach ($event['attendees'] as $i => $attendee) {
if ($attendee['role'] == 'ORGANIZER') {
$organizer = $attendee;
}
else if (!empty($attendee['email']) && in_array_nocase($attendee['email'], $emails)) {
$reply_sender = $attendee['email'];
}
else if (!empty($attendee['cutype']) && $attendee['cutype'] == 'RESOURCE' && !empty($attendee['email']) && in_array_nocase($attendee['email'], $ownedResourceEmails)) {
$resourceConfirmation = true;
// Note on behalf of which resource this update is going to be sent out
$event['_resource'] = $attendee['email'];
}
}
if (!$noreply) {
$itip = $this->load_itip();
$itip->set_sender_email($reply_sender);
$event['thisandfuture'] = $event['_savemode'] == 'future';
$bodytextprefix = $resourceConfirmation ? 'itipmailbodyresource' : 'itipmailbody';
if ($organizer && $itip->send_itip_message($event, 'REPLY', $organizer, 'itipsubject' . $status, $bodytextprefix . $status)) {
$mailto = !empty($organizer['name']) ? $organizer['name'] : $organizer['email'];
$msg = $this->gettext(['name' => 'sentresponseto', 'vars' => ['mailto' => $mailto]]);
$this->rc->output->command('display_message', $msg, 'confirmation');
}
else {
$this->rc->output->command('display_message', $this->gettext('itipresponseerror'), 'error');
}
}
// refresh all calendars
if ($event['calendar'] != $ev['calendar']) {
$this->rc->output->command('plugin.refresh_calendar', ['source' => null, 'refetch' => true]);
$reload = 0;
}
}
break;
case "dismiss":
$event['ids'] = explode(',', $event['id']);
$plugin = $this->rc->plugins->exec_hook('dismiss_alarms', $event);
$success = $plugin['success'];
foreach ($event['ids'] as $id) {
if (strpos($id, 'cal:') === 0) {
$success |= $this->driver->dismiss_alarm(substr($id, 4), $event['snooze']);
}
}
break;
case "changelog":
$data = $this->driver->get_event_changelog($event);
if (is_array($data) && !empty($data)) {
$lib = $this->lib;
$dtformat = $this->rc->config->get('date_format') . ' ' . $this->rc->config->get('time_format');
array_walk($data, function(&$change) use ($lib, $dtformat) {
if (!empty($change['date'])) {
$dt = $lib->adjust_timezone($change['date']);
if ($dt instanceof DateTimeInterface) {
$change['date'] = $this->rc->format_date($dt, $dtformat, false);
}
}
});
$this->rc->output->command('plugin.render_event_changelog', $data);
}
else {
$this->rc->output->command('plugin.render_event_changelog', false);
}
$got_msg = true;
$reload = false;
break;
case "diff":
$data = $this->driver->get_event_diff($event, $event['rev1'], $event['rev2']);
if (is_array($data)) {
// convert some properties, similar to self::_client_event()
$lib = $this->lib;
array_walk($data['changes'], function(&$change, $i) use ($event, $lib) {
// convert date cols
foreach (['start', 'end', 'created', 'changed'] as $col) {
if ($change['property'] == $col) {
$change['old'] = $lib->adjust_timezone($change['old'], strlen($change['old']) == 10)->format('c');
$change['new'] = $lib->adjust_timezone($change['new'], strlen($change['new']) == 10)->format('c');
}
}
// create textual representation for alarms and recurrence
if ($change['property'] == 'alarms') {
if (is_array($change['old'])) {
$change['old_'] = libcalendaring::alarm_text($change['old']);
}
if (is_array($change['new'])) {
$change['new_'] = libcalendaring::alarm_text(array_merge((array)$change['old'], $change['new']));
}
}
if ($change['property'] == 'recurrence') {
if (is_array($change['old'])) {
$change['old_'] = $lib->recurrence_text($change['old']);
}
if (is_array($change['new'])) {
$change['new_'] = $lib->recurrence_text(array_merge((array)$change['old'], $change['new']));
}
}
if ($change['property'] == 'attachments') {
if (is_array($change['old'])) {
$change['old']['classname'] = rcube_utils::file2class($change['old']['mimetype'], $change['old']['name']);
}
if (is_array($change['new'])) {
$change['new']['classname'] = rcube_utils::file2class($change['new']['mimetype'], $change['new']['name']);
}
}
// compute a nice diff of description texts
if ($change['property'] == 'description') {
$change['diff_'] = libkolab::html_diff($change['old'], $change['new']);
}
});
$this->rc->output->command('plugin.event_show_diff', $data);
}
else {
$this->rc->output->command('display_message', $this->gettext('objectdiffnotavailable'), 'error');
}
$got_msg = true;
$reload = false;
break;
case "show":
if ($event = $this->driver->get_event_revison($event, $event['rev'])) {
$this->rc->output->command('plugin.event_show_revision', $this->_client_event($event));
}
else {
$this->rc->output->command('display_message', $this->gettext('objectnotfound'), 'error');
}
$got_msg = true;
$reload = false;
break;
case "restore":
if ($success = $this->driver->restore_event_revision($event, $event['rev'])) {
$_event = $this->driver->get_event($event);
$reload = $_event['recurrence'] ? 2 : 1;
$msg = $this->gettext(['name' => 'objectrestoresuccess', 'vars' => ['rev' => $event['rev']]]);
$this->rc->output->command('display_message', $msg, 'confirmation');
$this->rc->output->command('plugin.close_history_dialog');
}
else {
$this->rc->output->command('display_message', $this->gettext('objectrestoreerror'), 'error');
$reload = 0;
}
$got_msg = true;
break;
}
// show confirmation/error message
if (!$got_msg) {
if ($success) {
$this->rc->output->show_message('successfullysaved', 'confirmation');
}
else {
$this->rc->output->show_message('calendar.errorsaving', 'error');
}
}
// unlock client
$this->rc->output->command('plugin.unlock_saving', $success);
// update event object on the client or trigger a complete refresh if too complicated
if ($reload && empty($_REQUEST['_framed'])) {
$args = ['source' => $event['calendar']];
if ($reload > 1) {
$args['refetch'] = true;
}
else if ($success && $action != 'remove') {
$args['update'] = $this->_client_event($this->driver->get_event($event), true);
}
$this->rc->output->command('plugin.refresh_calendar', $args);
}
}
/**
* Helper method sending iTip notifications after successful event updates
*/
private function event_save_success(&$event, $old, $action, $success)
{
// $success is a new event ID
if ($success !== true) {
// send update notification on the main event
if (!empty($event['_savemode']) && $event['_savemode'] == 'future' && !empty($event['_notify'])
&& !empty($old['attendees']) && !empty($old['recurrence_id'])
) {
$master = $this->driver->get_event(['id' => $old['recurrence_id'], 'calendar' => $old['calendar']], 0, true);
unset($master['_instance'], $master['recurrence_date']);
$sent = $this->notify_attendees($master, null, $action, $event['_comment'], false);
if ($sent < 0) {
$this->rc->output->show_message('calendar.errornotifying', 'error');
}
$event['attendees'] = $master['attendees']; // this tricks us into the next if clause
}
// delete old reference if saved as new
if (!empty($event['_savemode']) && ($event['_savemode'] == 'future' || $event['_savemode'] == 'new')) {
$old = null;
}
$event['id'] = $success;
$event['_savemode'] = 'all';
}
// send out notifications
if (!empty($event['_notify']) && (!empty($event['attendees']) || !empty($old['attendees']))) {
$_savemode = $event['_savemode'] ?? null;
// send notification for the main event when savemode is 'all'
if ($action != 'remove' && $_savemode == 'all'
&& (!empty($event['recurrence_id']) || !empty($old['recurrence_id']) || ($old && $old['id'] != $event['id']))
) {
if (!empty($event['recurrence_id'])) {
$event['id'] = $event['recurrence_id'];
}
else if (!empty($old['recurrence_id'])) {
$event['id'] = $old['recurrence_id'];
}
else {
$event['id'] = $old['id'];
}
$event = $this->driver->get_event($event, 0, true);
unset($event['_instance'], $event['recurrence_date']);
}
else {
// make sure we have the complete record
$event = $action == 'remove' ? $old : $this->driver->get_event($event, 0, true);
}
$event['_savemode'] = $_savemode;
if ($old) {
$old['thisandfuture'] = $_savemode == 'future';
}
// only notify if data really changed (TODO: do diff check on client already)
if (!$old || $action == 'remove' || self::event_diff($event, $old)) {
$comment = isset($event['_comment']) ? $event['_comment'] : null;
$sent = $this->notify_attendees($event, $old, $action, $comment);
if ($sent > 0) {
$this->rc->output->show_message('calendar.itipsendsuccess', 'confirmation');
}
else if ($sent < 0) {
$this->rc->output->show_message('calendar.errornotifying', 'error');
}
}
}
}
/**
* Handler for load-requests from fullcalendar
* This will return pure JSON formatted output
*/
function load_events()
{
$start = $this->input_timestamp('start', rcube_utils::INPUT_GET);
$end = $this->input_timestamp('end', rcube_utils::INPUT_GET);
$query = rcube_utils::get_input_value('q', rcube_utils::INPUT_GET);
$source = rcube_utils::get_input_value('source', rcube_utils::INPUT_GET);
$events = $this->driver->load_events($start, $end, $query, $source);
echo $this->encode($events, !empty($query));
exit;
}
/**
* Handler for requests fetching event counts for calendars
*/
public function count_events()
{
// don't update session on these requests (avoiding race conditions)
$this->rc->session->nowrite = true;
$start = rcube_utils::get_input_value('start', rcube_utils::INPUT_GET);
$source = rcube_utils::get_input_value('source', rcube_utils::INPUT_GET);
$end = rcube_utils::get_input_value('end', rcube_utils::INPUT_GET);
if (!$start) {
$start = new DateTime('today 00:00:00', $this->timezone);
$start = $start->format('U');
}
$counts = $this->driver->count_events($source, $start, $end);
$this->rc->output->command('plugin.update_counts', ['counts' => $counts]);
}
/**
* Load event data from an iTip message attachment
*/
public function itip_events($msgref)
{
$path = explode('/', $msgref);
$msg = array_pop($path);
$mbox = join('/', $path);
list($uid, $mime_id) = explode('#', $msg);
$events = [];
if ($event = $this->lib->mail_get_itip_object($mbox, $uid, $mime_id, 'event')) {
$partstat = 'NEEDS-ACTION';
$event['id'] = $event['uid'];
$event['temporary'] = true;
$event['readonly'] = true;
$event['calendar'] = '--invitation--itip';
$event['className'] = 'fc-invitation-' . strtolower($partstat);
$event['_mbox'] = $mbox;
$event['_uid'] = $uid;
$event['_part'] = $mime_id;
$events[] = $this->_client_event($event, true);
// add recurring instances
if (!empty($event['recurrence'])) {
// Some installations can't handle all occurrences (aborting the request w/o an error in log)
$freq = !empty($event['recurrence']['FREQ']) ? $event['recurrence']['FREQ'] : null;
$end = clone $event['start'];
$end->add(new DateInterval($freq == 'DAILY' ? 'P1Y' : 'P10Y'));
foreach ($this->driver->get_recurring_events($event, $event['start'], $end) as $recurring) {
$recurring['temporary'] = true;
$recurring['readonly'] = true;
$recurring['calendar'] = '--invitation--itip';
$events[] = $this->_client_event($recurring, true);
}
}
}
return $events;
}
/**
* Handler for keep-alive requests
* This will check for updated data in active calendars and sync them to the client
*/
public function refresh($attr)
{
// refresh the entire calendar every 10th time to also sync deleted events
if (rand(0, 10) == 10) {
$this->rc->output->command('plugin.refresh_calendar', ['refetch' => true]);
return;
}
$counts = [];
foreach ($this->driver->list_calendars(calendar_driver::FILTER_ACTIVE) as $cal) {
$events = $this->driver->load_events(
rcube_utils::get_input_value('start', rcube_utils::INPUT_GPC),
rcube_utils::get_input_value('end', rcube_utils::INPUT_GPC),
rcube_utils::get_input_value('q', rcube_utils::INPUT_GPC),
$cal['id'],
1,
$attr['last']
);
foreach ($events as $event) {
$this->rc->output->command(
'plugin.refresh_calendar',
['source' => $cal['id'], 'update' => $this->_client_event($event)]
);
}
// refresh count for this calendar
if (!empty($cal['counts'])) {
$today = new DateTime('today 00:00:00', $this->timezone);
$counts += $this->driver->count_events($cal['id'], $today->format('U'));
}
}
if (!empty($counts)) {
$this->rc->output->command('plugin.update_counts', ['counts' => $counts]);
}
}
/**
* Handler for pending_alarms plugin hook triggered by the calendar module on keep-alive requests.
* This will check for pending notifications and pass them to the client
*/
public function pending_alarms($p)
{
$this->load_driver();
$time = !empty($p['time']) ? $p['time'] : time();
if ($alarms = $this->driver->pending_alarms($time)) {
foreach ($alarms as $alarm) {
$alarm['id'] = 'cal:' . $alarm['id']; // prefix ID with cal:
$p['alarms'][] = $alarm;
}
}
// get alarms for birthdays calendar
if (
$this->rc->config->get('calendar_contact_birthdays')
&& $this->rc->config->get('calendar_birthdays_alarm_type') == 'DISPLAY'
) {
$cache = $this->rc->get_cache('calendar.birthdayalarms', 'db');
foreach ($this->driver->load_birthday_events($time, $time + 86400 * 60) as $e) {
$alarm = libcalendaring::get_next_alarm($e);
// overwrite alarm time with snooze value (or null if dismissed)
if ($dismissed = $cache->get($e['id'])) {
$alarm['time'] = $dismissed['notifyat'];
}
// add to list if alarm is set
if ($alarm && !empty($alarm['time']) && $alarm['time'] <= $time) {
$e['id'] = 'cal:bday:' . $e['id'];
$e['notifyat'] = $alarm['time'];
$p['alarms'][] = $e;
}
}
}
return $p;
}
/**
* Handler for alarm dismiss hook triggered by libcalendaring
*/
public function dismiss_alarms($p)
{
$this->load_driver();
foreach ((array) $p['ids'] as $id) {
if (strpos($id, 'cal:bday:') === 0) {
$p['success'] |= $this->driver->dismiss_birthday_alarm(substr($id, 9), $p['snooze']);
}
else if (strpos($id, 'cal:') === 0) {
$p['success'] |= $this->driver->dismiss_alarm(substr($id, 4), $p['snooze']);
}
}
return $p;
}
/**
* Handler for check-recent requests which are accidentally sent to calendar
*/
function check_recent()
{
// NOP
$this->rc->output->send();
}
/**
* Hook triggered when a contact is saved
*/
function contact_update($p)
{
// clear birthdays calendar cache
if (!empty($p['record']['birthday'])) {
$cache = $this->rc->get_cache('calendar.birthdays', 'db');
$cache->remove();
}
}
/**
*
*/
function import_events()
{
// Upload progress update
if (!empty($_GET['_progress'])) {
$this->rc->upload_progress();
}
@set_time_limit(0);
// process uploaded file if there is no error
$err = $_FILES['_data']['error'];
if (!$err && !empty($_FILES['_data']['tmp_name'])) {
$calendar = rcube_utils::get_input_value('calendar', rcube_utils::INPUT_GPC);
$rangestart = !empty($_REQUEST['_range']) ? date_create("now -" . intval($_REQUEST['_range']) . " months") : 0;
// extract zip file
if ($_FILES['_data']['type'] == 'application/zip') {
$count = 0;
if (class_exists('ZipArchive', false)) {
$zip = new ZipArchive();
if ($zip->open($_FILES['_data']['tmp_name'])) {
$randname = uniqid('zip-' . session_id(), true);
$tmpdir = slashify($this->rc->config->get('temp_dir', sys_get_temp_dir())) . $randname;
mkdir($tmpdir, 0700);
// extract each ical file from the archive and import it
for ($i = 0; $i < $zip->numFiles; $i++) {
$filename = $zip->getNameIndex($i);
if (preg_match('/\.ics$/i', $filename)) {
$tmpfile = $tmpdir . '/' . basename($filename);
if (copy('zip://' . $_FILES['_data']['tmp_name'] . '#'.$filename, $tmpfile)) {
$count += $this->import_from_file($tmpfile, $calendar, $rangestart, $errors);
unlink($tmpfile);
}
}
}
rmdir($tmpdir);
$zip->close();
}
else {
$errors = 1;
$msg = 'Failed to open zip file.';
}
}
else {
$errors = 1;
$msg = 'Zip files are not supported for import.';
}
}
else {
// attempt to import teh uploaded file directly
$count = $this->import_from_file($_FILES['_data']['tmp_name'], $calendar, $rangestart, $errors);
}
if ($count) {
$this->rc->output->command('display_message', $this->gettext(['name' => 'importsuccess', 'vars' => ['nr' => $count]]), 'confirmation');
$this->rc->output->command('plugin.import_success', ['source' => $calendar, 'refetch' => true]);
}
else if (!$errors) {
$this->rc->output->command('display_message', $this->gettext('importnone'), 'notice');
$this->rc->output->command('plugin.import_success', ['source' => $calendar]);
}
else {
$this->rc->output->command('plugin.import_error', ['message' => $this->gettext('importerror') . ($msg ? ': ' . $msg : '')]);
}
}
else {
if ($err == UPLOAD_ERR_INI_SIZE || $err == UPLOAD_ERR_FORM_SIZE) {
$max = $this->rc->show_bytes(parse_bytes(ini_get('upload_max_filesize')));
$msg = $this->rc->gettext(['name' => 'filesizeerror', 'vars' => ['size' => $max]]);
}
else {
$msg = $this->rc->gettext('fileuploaderror');
}
$this->rc->output->command('plugin.import_error', ['message' => $msg]);
}
$this->rc->output->send('iframe');
}
/**
* Helper function to parse and import a single .ics file
*/
private function import_from_file($filepath, $calendar, $rangestart, &$errors)
{
$user_email = $this->rc->user->get_username();
$ical = $this->get_ical();
$errors = !$ical->fopen($filepath);
$count = $i = 0;
foreach ($ical as $event) {
// keep the browser connection alive on long import jobs
if (++$i > 100 && $i % 100 == 0) {
echo "<!-- -->";
ob_flush();
}
// TODO: correctly handle recurring events which start before $rangestart
if ($rangestart && $event['end'] < $rangestart
&& (empty($event['recurrence']) || (!empty($event['recurrence']['until']) && $event['recurrence']['until'] < $rangestart))
) {
continue;
}
$event['_owner'] = $user_email;
$event['calendar'] = $calendar;
if ($this->driver->new_event($event)) {
$count++;
}
else {
$errors++;
}
}
return $count;
}
/**
* Construct the ics file for exporting events to iCalendar format;
*/
function export_events($terminate = true)
{
$start = rcube_utils::get_input_value('start', rcube_utils::INPUT_GET);
$end = rcube_utils::get_input_value('end', rcube_utils::INPUT_GET);
$event_id = rcube_utils::get_input_value('id', rcube_utils::INPUT_GET);
$attachments = rcube_utils::get_input_value('attachments', rcube_utils::INPUT_GET);
$calid = rcube_utils::get_input_value('source', rcube_utils::INPUT_GET);
if (!isset($start)) {
$start = 'today -1 year';
}
if (!is_numeric($start)) {
$start = strtotime($start . ' 00:00:00');
}
if (!$end) {
$end = 'today +10 years';
}
if (!is_numeric($end)) {
$end = strtotime($end . ' 23:59:59');
}
$filename = $calid;
$calendars = $this->driver->list_calendars();
$events = [];
if (!empty($calendars[$calid])) {
$filename = !empty($calendars[$calid]['name']) ? $calendars[$calid]['name'] : $calid;
$filename = asciiwords(html_entity_decode($filename)); // to 7bit ascii
if (!empty($event_id)) {
if ($event = $this->driver->get_event(['calendar' => $calid, 'id' => $event_id], 0, true)) {
if (!empty($event['recurrence_id'])) {
$event = $this->driver->get_event(['calendar' => $calid, 'id' => $event['recurrence_id']], 0, true);
}
$events = [$event];
$filename = asciiwords($event['title']);
if (empty($filename)) {
$filename = 'event';
}
}
}
else {
$events = $this->driver->load_events($start, $end, null, $calid, 0);
if (empty($filename)) {
$filename = $calid;
}
}
}
header("Content-Type: text/calendar");
header("Content-Disposition: inline; filename=".$filename.'.ics');
$this->get_ical()->export($events, '', true, $attachments ? [$this->driver, 'get_attachment_body'] : null);
if ($terminate) {
exit;
}
}
/**
* Handler for iCal feed requests
*/
function ical_feed_export()
{
$session_exists = !empty($_SESSION['user_id']);
// process HTTP auth info
if (!empty($_SERVER['PHP_AUTH_USER']) && isset($_SERVER['PHP_AUTH_PW'])) {
$_POST['_user'] = $_SERVER['PHP_AUTH_USER']; // used for rcmail::autoselect_host()
$auth = $this->rc->plugins->exec_hook('authenticate', [
'host' => $this->rc->autoselect_host(),
'user' => trim($_SERVER['PHP_AUTH_USER']),
'pass' => $_SERVER['PHP_AUTH_PW'],
'cookiecheck' => true,
'valid' => true,
]);
if ($auth['valid'] && !$auth['abort']) {
$this->rc->login($auth['user'], $auth['pass'], $auth['host']);
}
}
// require HTTP auth
if (empty($_SESSION['user_id'])) {
header('WWW-Authenticate: Basic realm="Kolab Calendar"');
header('HTTP/1.0 401 Unauthorized');
exit;
}
// decode calendar feed hash
$format = 'ics';
$calhash = rcube_utils::get_input_value('_cal', rcube_utils::INPUT_GET);
if (preg_match(($suff_regex = '/\.([a-z0-9]{3,5})$/i'), $calhash, $m)) {
$format = strtolower($m[1]);
$calhash = preg_replace($suff_regex, '', $calhash);
}
if (!strpos($calhash, ':')) {
$calhash = base64_decode($calhash);
}
list($user, $_GET['source']) = explode(':', $calhash, 2);
// sanity check user
if ($this->rc->user->get_username() == $user) {
$this->setup();
$this->load_driver();
$this->export_events(false);
}
else {
header('HTTP/1.0 404 Not Found');
}
// don't save session data
if (!$session_exists) {
session_destroy();
}
exit;
}
/**
*
*/
function load_settings()
{
$this->lib->load_settings();
$this->defaults += $this->lib->defaults;
$settings = [];
// configuration
$settings['default_view'] = (string) $this->rc->config->get('calendar_default_view', $this->defaults['calendar_default_view']);
$settings['timeslots'] = (int) $this->rc->config->get('calendar_timeslots', $this->defaults['calendar_timeslots']);
$settings['first_day'] = (int) $this->rc->config->get('calendar_first_day', $this->defaults['calendar_first_day']);
$settings['first_hour'] = (int) $this->rc->config->get('calendar_first_hour', $this->defaults['calendar_first_hour']);
$settings['work_start'] = (int) $this->rc->config->get('calendar_work_start', $this->defaults['calendar_work_start']);
$settings['work_end'] = (int) $this->rc->config->get('calendar_work_end', $this->defaults['calendar_work_end']);
$settings['agenda_range'] = (int) $this->rc->config->get('calendar_agenda_range', $this->defaults['calendar_agenda_range']);
$settings['event_coloring'] = (int) $this->rc->config->get('calendar_event_coloring', $this->defaults['calendar_event_coloring']);
$settings['time_indicator'] = (int) $this->rc->config->get('calendar_time_indicator', $this->defaults['calendar_time_indicator']);
$settings['invite_shared'] = (int) $this->rc->config->get('calendar_allow_invite_shared', $this->defaults['calendar_allow_invite_shared']);
$settings['itip_notify'] = (int) $this->rc->config->get('calendar_itip_send_option', $this->defaults['calendar_itip_send_option']);
$settings['show_weekno'] = (int) $this->rc->config->get('calendar_show_weekno', $this->defaults['calendar_show_weekno']);
$settings['default_calendar'] = $this->rc->config->get('calendar_default_calendar');
$settings['invitation_calendars'] = (bool) $this->rc->config->get('kolab_invitation_calendars', false);
// 'table' view has been replaced by 'list' view
if ($settings['default_view'] == 'table') {
$settings['default_view'] = 'list';
}
// get user identity to create default attendee
if ($this->ui->screen == 'calendar') {
foreach ($this->rc->user->list_emails() as $rec) {
if (empty($identity)) {
$identity = $rec;
}
$identity['emails'][] = $rec['email'];
$settings['identities'][$rec['identity_id']] = $rec['email'];
}
$identity['emails'][] = $this->rc->user->get_username();
$identity['ownedResources'] = $this->owned_resources_emails();
$settings['identity'] = [
'name' => $identity['name'],
'email' => strtolower($identity['email']),
'emails' => ';' . strtolower(join(';', $identity['emails'])),
'ownedResources' => ';' . strtolower(join(';', $identity['ownedResources']))
];
}
// freebusy token authentication URL
if (($url = $this->rc->config->get('calendar_freebusy_session_auth_url'))
&& ($uniqueid = $this->rc->config->get('kolab_uniqueid'))
) {
if ($url === true) {
$url = '/freebusy';
}
$url = rtrim(rcube_utils::resolve_url($url), '/ ');
$url .= '/' . urlencode($this->rc->get_user_name());
$url .= '/' . urlencode($uniqueid);
$settings['freebusy_url'] = $url;
}
return $settings;
}
/**
* Encode events as JSON
*
* @param array Events as array
* @param bool Add CSS class names according to calendar and categories
*
* @return string JSON encoded events
*/
function encode($events, $addcss = false)
{
$json = [];
foreach ($events as $event) {
$json[] = $this->_client_event($event, $addcss);
}
return rcube_output::json_serialize($json);
}
/**
* Convert an event object to be used on the client
*/
private function _client_event($event, $addcss = false)
{
// compose a human readable strings for alarms_text and recurrence_text
if (!empty($event['valarms'])) {
$event['alarms_text'] = libcalendaring::alarms_text($event['valarms']);
$event['valarms'] = libcalendaring::to_client_alarms($event['valarms']);
}
if (!empty($event['recurrence'])) {
$event['recurrence_text'] = $this->lib->recurrence_text($event['recurrence']);
$event['recurrence'] = $this->lib->to_client_recurrence($event['recurrence'], $event['allday']);
unset($event['recurrence_date']);
}
if (!empty($event['attachments'])) {
foreach ($event['attachments'] as $k => $attachment) {
$event['attachments'][$k]['classname'] = rcube_utils::file2class($attachment['mimetype'], $attachment['name']);
unset($event['attachments'][$k]['data'], $event['attachments'][$k]['content']);
if (empty($attachment['id'])) {
$event['attachments'][$k]['id'] = $k;
}
}
}
// convert link URIs references into structs
if (array_key_exists('links', $event)) {
foreach ((array) $event['links'] as $i => $link) {
if (strpos($link, 'imap://') === 0 && ($msgref = $this->driver->get_message_reference($link))) {
$event['links'][$i] = $msgref;
}
}
}
// check for organizer in attendees list
$organizer = null;
foreach ((array) $event['attendees'] as $i => $attendee) {
- if ($attendee['role'] == 'ORGANIZER') {
+ if (!empty($attendee['role']) && $attendee['role'] == 'ORGANIZER') {
$organizer = $attendee;
}
if (!empty($attendee['status']) && $attendee['status'] == 'DELEGATED' && empty($attendee['rsvp'])) {
$event['attendees'][$i]['noreply'] = true;
}
else {
unset($event['attendees'][$i]['noreply']);
}
}
if ($organizer === null && !empty($event['organizer'])) {
$organizer = $event['organizer'];
$organizer['role'] = 'ORGANIZER';
if (!is_array($event['attendees'])) {
$event['attendees'] = [$organizer];
}
}
// Convert HTML description into plain text
if ($this->is_html($event)) {
$h2t = new rcube_html2text($event['description'], false, true, 0);
$event['description'] = trim($h2t->get_text());
}
// mapping url => vurl, allday => allDay because of the fullcalendar client script
$event['vurl'] = $event['url'] ?? null;
$event['allDay'] = !empty($event['allday']);
unset($event['url']);
unset($event['allday']);
$event['className'] = !empty($event['className']) ? explode(' ', $event['className']) : [];
if ($event['allDay']) {
$event['end'] = $event['end']->add(new DateInterval('P1D'));
}
if (!empty($_GET['mode']) && $_GET['mode'] == 'print') {
$event['editable'] = false;
}
return [
'_id' => $event['calendar'] . ':' . $event['id'], // unique identifier for fullcalendar
'start' => $this->lib->adjust_timezone($event['start'], $event['allDay'])->format('c'),
'end' => $this->lib->adjust_timezone($event['end'], $event['allDay'])->format('c'),
// 'changed' might be empty for event recurrences (Bug #2185)
'changed' => !empty($event['changed']) ? $this->lib->adjust_timezone($event['changed'])->format('c') : null,
'created' => !empty($event['created']) ? $this->lib->adjust_timezone($event['created'])->format('c') : null,
'title' => strval($event['title'] ?? null),
'description' => strval($event['description'] ?? null),
'location' => strval($event['location'] ?? null),
] + $event;
}
/**
* Generate a unique identifier for an event
*/
public function generate_uid()
{
return strtoupper(md5(time() . uniqid(rand())) . '-' . substr(md5($this->rc->user->get_username()), 0, 16));
}
/**
* TEMPORARY: generate random event data for testing
* Create events by opening http://<roundcubeurl>/?_task=calendar&_action=randomdata&_num=500&_date=2014-08-01&_dev=120
*/
public function generate_randomdata()
{
@set_time_limit(0);
$num = !empty($_REQUEST['_num']) ? intval($_REQUEST['_num']) : 100;
$date = !empty($_REQUEST['_date']) ? $_REQUEST['_date'] : 'now';
$dev = !empty($_REQUEST['_dev']) ? $_REQUEST['_dev'] : 30;
$cats = array_keys($this->driver->list_categories());
$cals = $this->driver->list_calendars(calendar_driver::FILTER_ACTIVE);
$count = 0;
while ($count++ < $num) {
$spread = intval($dev) * 86400; // days
$refdate = strtotime($date);
$start = round(($refdate + rand(-$spread, $spread)) / 600) * 600;
$duration = round(rand(30, 360) / 30) * 30 * 60;
$allday = rand(0,20) > 18;
$alarm = rand(-30,12) * 5;
$fb = rand(0,2);
if (date('G', $start) > 23) {
$start -= 3600;
}
if ($allday) {
$start = strtotime(date('Y-m-d 00:00:00', $start));
$duration = 86399;
}
$title = '';
$len = rand(2, 12);
$words = explode(" ", "The Hough transform is named after Paul Hough who patented the method in 1962."
. " It is a technique which can be used to isolate features of a particular shape within an image."
. " Because it requires that the desired features be specified in some parametric form, the classical"
. " Hough transform is most commonly used for the de- tection of regular curves such as lines, circles,"
. " ellipses, etc. A generalized Hough transform can be employed in applications where a simple"
. " analytic description of a feature(s) is not possible. Due to the computational complexity of"
. " the generalized Hough algorithm, we restrict the main focus of this discussion to the classical"
. " Hough transform. Despite its domain restrictions, the classical Hough transform (hereafter"
. " referred to without the classical prefix ) retains many applications, as most manufac- tured"
. " parts (and many anatomical parts investigated in medical imagery) contain feature boundaries"
. " which can be described by regular curves. The main advantage of the Hough transform technique"
. " is that it is tolerant of gaps in feature boundary descriptions and is relatively unaffected"
. " by image noise.");
// $chars = "!# abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ 1234567890";
for ($i = 0; $i < $len; $i++) {
$title .= $words[rand(0,count($words)-1)] . " ";
}
$this->driver->new_event([
'uid' => $this->generate_uid(),
'start' => new DateTime('@'.$start),
'end' => new DateTime('@'.($start + $duration)),
'allday' => $allday,
'title' => rtrim($title),
'free_busy' => $fb == 2 ? 'outofoffice' : ($fb ? 'busy' : 'free'),
'categories' => $cats[array_rand($cats)],
'calendar' => array_rand($cals),
'alarms' => $alarm > 0 ? "-{$alarm}M:DISPLAY" : '',
'priority' => rand(0,9),
]);
}
$this->rc->output->redirect('');
}
/**
* Handler for attachments upload
*/
public function attachment_upload()
{
$handler = new kolab_attachments_handler();
$handler->attachment_upload(self::SESSION_KEY, 'cal-');
}
/**
* Handler for attachments download/displaying
*/
public function attachment_get()
{
$handler = new kolab_attachments_handler();
// show loading page
if (!empty($_GET['_preload'])) {
return $handler->attachment_loading_page();
}
$event_id = rcube_utils::get_input_value('_event', rcube_utils::INPUT_GPC);
$calendar = rcube_utils::get_input_value('_cal', rcube_utils::INPUT_GPC);
$id = rcube_utils::get_input_value('_id', rcube_utils::INPUT_GPC);
$rev = rcube_utils::get_input_value('_rev', rcube_utils::INPUT_GPC);
$event = ['id' => $event_id, 'calendar' => $calendar, 'rev' => $rev];
if ($calendar == '--invitation--itip') {
$uid = rcube_utils::get_input_value('_uid', rcube_utils::INPUT_GPC);
$part = rcube_utils::get_input_value('_part', rcube_utils::INPUT_GPC);
$mbox = rcube_utils::get_input_value('_mbox', rcube_utils::INPUT_GPC);
$event = $this->lib->mail_get_itip_object($mbox, $uid, $part, 'event');
$attachment = $event['attachments'][$id];
$attachment['body'] = &$attachment['data'];
}
else {
$attachment = $this->driver->get_attachment($id, $event);
}
// show part page
if (!empty($_GET['_frame'])) {
$handler->attachment_page($attachment);
}
// deliver attachment content
else if ($attachment) {
if ($calendar != '--invitation--itip') {
$attachment['body'] = $this->driver->get_attachment_body($id, $event);
}
$handler->attachment_get($attachment);
}
// if we arrive here, the requested part was not found
header('HTTP/1.1 404 Not Found');
exit;
}
/**
* Determine whether the given event description is HTML formatted
*/
private function is_html($event)
{
// check for opening and closing <html> or <body> tags
return !empty($event['description'])
&& preg_match('/<(html|body)(\s+[a-z]|>)/', $event['description'], $m)
&& strpos($event['description'], '</'.$m[1].'>') > 0;
}
/**
* Prepares new/edited event properties before save
*/
private function write_preprocess(&$event, $action)
{
// Remove double timezone specification (T2313)
$event['start'] = preg_replace('/\s*\(.*\)/', '', $event['start']);
$event['end'] = preg_replace('/\s*\(.*\)/', '', $event['end']);
// convert dates into DateTime objects in user's current timezone
$event['start'] = new DateTime($event['start'], $this->timezone);
$event['end'] = new DateTime($event['end'], $this->timezone);
$event['allday'] = !empty($event['allDay']);
unset($event['allDay']);
// start/end is all we need for 'move' action (#1480)
if ($action == 'move') {
return true;
}
// convert the submitted recurrence settings
if (!empty($event['recurrence'])) {
$event['recurrence'] = $this->lib->from_client_recurrence($event['recurrence'], $event['start']);
// align start date with the first occurrence
if (!empty($event['recurrence']) && !empty($event['syncstart'])
&& (empty($event['_savemode']) || $event['_savemode'] == 'all')
) {
$next = $this->find_first_occurrence($event);
if (!$next) {
$this->rc->output->show_message('calendar.recurrenceerror', 'error');
return false;
}
else if ($event['start'] != $next) {
$diff = $event['start']->diff($event['end'], true);
$event['start'] = $next;
$event['end'] = clone $next;
$event['end']->add($diff);
}
}
}
// convert the submitted alarm values
if (!empty($event['valarms'])) {
$event['valarms'] = libcalendaring::from_client_alarms($event['valarms']);
}
$eventid = 'cal-' . (!empty($event['id']) ? $event['id'] : 'new');
$handler = new kolab_attachments_handler();
$event['attachments'] = $handler->attachments_set(self::SESSION_KEY, $eventid, $event['attachments'] ?? []);
// convert link references into simple URIs
if (array_key_exists('links', $event)) {
$event['links'] = array_map(function($link) {
return is_array($link) ? $link['uri'] : strval($link);
},
(array) $event['links']
);
}
// check for organizer in attendees
if ($action == 'new' || $action == 'edit') {
if (empty($event['attendees'])) {
$event['attendees'] = [];
}
$emails = $this->get_user_emails();
$organizer = $owner = false;
foreach ((array) $event['attendees'] as $i => $attendee) {
if ($attendee['role'] == 'ORGANIZER') {
$organizer = $i;
}
if (!empty($attendee['email']) && in_array(strtolower($attendee['email']), $emails)) {
$owner = $i;
}
if (!isset($attendee['rsvp'])) {
$event['attendees'][$i]['rsvp'] = true;
}
else if (is_string($attendee['rsvp'])) {
$event['attendees'][$i]['rsvp'] = $attendee['rsvp'] == 'true' || $attendee['rsvp'] == '1';
}
}
if (!empty($event['_identity'])) {
$identity = $this->rc->user->get_identity($event['_identity']);
}
// set new organizer identity
if ($organizer !== false && !empty($identity)) {
$event['attendees'][$organizer]['name'] = $identity['name'];
$event['attendees'][$organizer]['email'] = $identity['email'];
}
// set owner as organizer if yet missing
else if ($organizer === false && $owner !== false) {
$event['attendees'][$owner]['role'] = 'ORGANIZER';
unset($event['attendees'][$owner]['rsvp']);
}
// fallback to the selected identity
else if ($organizer === false && !empty($identity)) {
$event['attendees'][] = [
'role' => 'ORGANIZER',
'name' => $identity['name'],
'email' => $identity['email'],
];
}
}
// mapping url => vurl because of the fullcalendar client script
if (array_key_exists('vurl', $event)) {
$event['url'] = $event['vurl'];
unset($event['vurl']);
}
return true;
}
/**
* Releases some resources after successful event save
*/
private function cleanup_event(&$event)
{
$handler = new kolab_attachments_handler();
$handler->attachments_cleanup(self::SESSION_KEY);
}
/**
* Send out an invitation/notification to all event attendees
*/
private function notify_attendees($event, $old, $action = 'edit', $comment = null, $rsvp = null)
{
$is_cancelled = $action == 'remove'
|| (!empty($event['status']) && $event['status'] == 'CANCELLED' && ($old['status'] ?? '') != $event['status']);
$event['cancelled'] = $is_cancelled;
if ($rsvp === null) {
$rsvp = !$old || ($event['sequence'] ?? 0) > ($old['sequence'] ?? 0);
}
$itip = $this->load_itip();
$emails = $this->get_user_emails();
$itip_notify = (int) $this->rc->config->get('calendar_itip_send_option', $this->defaults['calendar_itip_send_option']);
// add comment to the iTip attachment
$event['comment'] = $comment;
// set a valid recurrence-id if this is a recurrence instance
libcalendaring::identify_recurrence_instance($event);
// compose multipart message using PEAR:Mail_Mime
$method = $action == 'remove' ? 'CANCEL' : 'REQUEST';
$message = $itip->compose_itip_message($event, $method, $rsvp);
// list existing attendees from $old event
$old_attendees = [];
if (!empty($old['attendees'])) {
foreach ((array) $old['attendees'] as $attendee) {
$old_attendees[] = $attendee['email'];
}
}
// send to every attendee
$sent = 0;
$current = [];
foreach ((array) $event['attendees'] as $attendee) {
// skip myself for obvious reasons
if (empty($attendee['email']) || in_array(strtolower($attendee['email']), $emails)) {
continue;
}
$current[] = strtolower($attendee['email']);
// skip if notification is disabled for this attendee
if (!empty($attendee['noreply']) && $itip_notify & 2) {
continue;
}
// skip if this attendee has delegated and set RSVP=FALSE
if ($attendee['status'] == 'DELEGATED' && $attendee['rsvp'] === false) {
continue;
}
// which template to use for mail text
$is_new = !in_array($attendee['email'], $old_attendees);
$is_rsvp = $is_new || $event['sequence'] > $old['sequence'];
$bodytext = $is_cancelled ? 'eventcancelmailbody' : ($is_new ? 'invitationmailbody' : 'eventupdatemailbody');
$subject = $is_cancelled ? 'eventcancelsubject' : ($is_new ? 'invitationsubject' : ($event['title'] ? 'eventupdatesubject' : 'eventupdatesubjectempty'));
$event['comment'] = $comment;
// finally send the message
if ($itip->send_itip_message($event, $method, $attendee, $subject, $bodytext, $message, $is_rsvp)) {
$sent++;
}
else {
$sent = -100;
}
}
// TODO: on change of a recurring (main) event, also send updates to differing attendess of recurrence exceptions
// send CANCEL message to removed attendees
if (!empty($old['attendees'])) {
foreach ($old['attendees'] as $attendee) {
if ($attendee['role'] == 'ORGANIZER'
|| empty($attendee['email'])
|| in_array(strtolower($attendee['email']), $current)
) {
continue;
}
$vevent = $old;
$vevent['cancelled'] = $is_cancelled;
$vevent['attendees'] = [$attendee];
$vevent['comment'] = $comment;
if ($itip->send_itip_message($vevent, 'CANCEL', $attendee, 'eventcancelsubject', 'eventcancelmailbody')) {
$sent++;
}
else {
$sent = -100;
}
}
}
return $sent;
}
/**
* Echo simple free/busy status text for the given user and time range
*/
public function freebusy_status()
{
$email = rcube_utils::get_input_value('email', rcube_utils::INPUT_GPC);
$start = $this->input_timestamp('start', rcube_utils::INPUT_GPC);
$end = $this->input_timestamp('end', rcube_utils::INPUT_GPC);
if (!$start) $start = time();
if (!$end) $end = $start + 3600;
$status = 'UNKNOWN';
$fbtypemap = [
calendar::FREEBUSY_UNKNOWN => 'UNKNOWN',
calendar::FREEBUSY_FREE => 'FREE',
calendar::FREEBUSY_BUSY => 'BUSY',
calendar::FREEBUSY_TENTATIVE => 'TENTATIVE',
calendar::FREEBUSY_OOF => 'OUT-OF-OFFICE'
];
// if the backend has free-busy information
$fblist = $this->driver->get_freebusy_list($email, $start, $end);
if (is_array($fblist)) {
$status = 'FREE';
foreach ($fblist as $slot) {
list($from, $to, $type) = $slot;
if ($from < $end && $to > $start) {
$status = isset($type) && !empty($fbtypemap[$type]) ? $fbtypemap[$type] : 'BUSY';
break;
}
}
}
// let this information be cached for 5min
$this->rc->output->future_expire_header(300);
echo $status;
exit;
}
/**
* Return a list of free/busy time slots within the given period
* Echo data in JSON encoding
*/
public function freebusy_times()
{
$email = rcube_utils::get_input_value('email', rcube_utils::INPUT_GPC);
$start = $this->input_timestamp('start', rcube_utils::INPUT_GPC);
$end = $this->input_timestamp('end', rcube_utils::INPUT_GPC);
$interval = intval(rcube_utils::get_input_value('interval', rcube_utils::INPUT_GPC));
$strformat = $interval > 60 ? 'Ymd' : 'YmdHis';
if (!$start) $start = time();
if (!$end) $end = $start + 86400 * 30;
if (!$interval) $interval = 60; // 1 hour
$fblist = $this->driver->get_freebusy_list($email, $start, $end);
$slots = '';
// prepare freebusy list before use (for better performance)
if (is_array($fblist)) {
foreach ($fblist as $idx => $slot) {
list($from, $to, ) = $slot;
// check for possible all-day times
if (gmdate('His', $from) == '000000' && gmdate('His', $to) == '235959') {
// shift into the user's timezone for sane matching
$fblist[$idx][0] -= $this->gmt_offset;
$fblist[$idx][1] -= $this->gmt_offset;
}
}
}
// build a list from $start till $end with blocks representing the fb-status
for ($s = 0, $t = $start; $t <= $end; $s++) {
$t_end = $t + $interval * 60;
$dt = new DateTime('@'.$t);
$dt->setTimezone($this->timezone);
// determine attendee's status
if (is_array($fblist)) {
$status = self::FREEBUSY_FREE;
foreach ($fblist as $slot) {
list($from, $to, $type) = $slot;
if ($from < $t_end && $to > $t) {
$status = isset($type) ? $type : self::FREEBUSY_BUSY;
if ($status == self::FREEBUSY_BUSY) {
// can't get any worse :-)
break;
}
}
}
}
else {
$status = self::FREEBUSY_UNKNOWN;
}
// use most compact format, assume $status is one digit/character
$slots .= $status;
$t = $t_end;
}
$dts = new DateTime('@' . $start);
$dts->setTimezone($this->timezone);
$dte = new DateTime('@' . $t_end);
$dte->setTimezone($this->timezone);
// let this information be cached for 5min
$this->rc->output->future_expire_header(300);
echo rcube_output::json_serialize([
'email' => $email,
'start' => $dts->format('c'),
'end' => $dte->format('c'),
'interval' => $interval,
'slots' => $slots,
]);
exit;
}
/**
* Handler for printing calendars
*/
public function print_view()
{
$title = $this->gettext('print');
$view = rcube_utils::get_input_value('view', rcube_utils::INPUT_GPC);
if (!in_array($view, ['agendaWeek', 'agendaDay', 'month', 'list'])) {
$view = 'agendaDay';
}
$this->rc->output->set_env('view', $view);
if ($date = rcube_utils::get_input_value('date', rcube_utils::INPUT_GPC)) {
$this->rc->output->set_env('date', $date);
}
if ($range = rcube_utils::get_input_value('range', rcube_utils::INPUT_GPC)) {
$this->rc->output->set_env('listRange', intval($range));
}
if ($search = rcube_utils::get_input_value('search', rcube_utils::INPUT_GPC)) {
$this->rc->output->set_env('search', $search);
$title .= ' "' . $search . '"';
}
// Add JS to the page
$this->ui->addJS();
$this->register_handler('plugin.calendar_css', [$this->ui, 'calendar_css']);
$this->register_handler('plugin.calendar_list', [$this->ui, 'calendar_list']);
$this->rc->output->set_pagetitle($title);
$this->rc->output->send('calendar.print');
}
/**
* Compare two event objects and return differing properties
*
* @param array Event A
* @param array Event B
*
* @return array List of differing event properties
*/
public static function event_diff($a, $b)
{
$diff = [];
$ignore = ['changed' => 1, 'attachments' => 1];
foreach (array_unique(array_merge(array_keys($a), array_keys($b))) as $key) {
if (empty($ignore[$key]) && $key[0] != '_') {
$av = isset($a[$key]) ? $a[$key] : null;
$bv = isset($b[$key]) ? $b[$key] : null;
if ($av != $bv) {
$diff[] = $key;
}
}
}
// only compare number of attachments
$ac = !empty($a['attachments']) ? count($a['attachments']) : 0;
$bc = !empty($b['attachments']) ? count($b['attachments']) : 0;
if ($ac != $bc) {
$diff[] = 'attachments';
}
return $diff;
}
/**
* Update attendee properties on the given event object
*
* @param array The event object to be altered
* @param array List of hash arrays each represeting an updated/added attendee
*/
public static function merge_attendee_data(&$event, $attendees, $removed = null)
{
if (!empty($attendees) && !is_array($attendees[0])) {
$attendees = [$attendees];
}
foreach ($attendees as $attendee) {
$found = false;
foreach ($event['attendees'] as $i => $candidate) {
if ($candidate['email'] == $attendee['email']) {
$event['attendees'][$i] = $attendee;
$found = true;
break;
}
}
if (!$found) {
$event['attendees'][] = $attendee;
}
}
// filter out removed attendees
if (!empty($removed)) {
$event['attendees'] = array_filter($event['attendees'], function($attendee) use ($removed) {
return !in_array($attendee['email'], $removed);
});
}
}
/**** Resource management functions ****/
/**
* Getter for the configured implementation of the resource directory interface
*/
private function resources_directory()
{
if (!empty($this->resources_dir)) {
return $this->resources_dir;
}
if ($driver_name = $this->rc->config->get('calendar_resources_driver')) {
$driver_class = 'resources_driver_' . $driver_name;
require_once $this->home . '/drivers/resources_driver.php';
require_once $this->home . '/drivers/' . $driver_name . '/' . $driver_class . '.php';
$this->resources_dir = new $driver_class($this);
}
return $this->resources_dir;
}
/**
* Handler for resoruce autocompletion requests
*/
public function resources_autocomplete()
{
$search = rcube_utils::get_input_value('_search', rcube_utils::INPUT_GPC, true);
$sid = rcube_utils::get_input_value('_reqid', rcube_utils::INPUT_GPC);
$maxnum = (int)$this->rc->config->get('autocomplete_max', 15);
$results = [];
if ($directory = $this->resources_directory()) {
foreach ($directory->load_resources($search, $maxnum) as $rec) {
$results[] = [
'name' => $rec['name'],
'email' => $rec['email'],
'type' => $rec['_type'],
];
}
}
$this->rc->output->command('ksearch_query_results', $results, $search, $sid);
$this->rc->output->send();
}
/**
* Handler for load-requests for resource data
*/
function resources_list()
{
$data = [];
if ($directory = $this->resources_directory()) {
foreach ($directory->load_resources() as $rec) {
$data[] = $rec;
}
}
$this->rc->output->command('plugin.resource_data', $data);
$this->rc->output->send();
}
/**
* Handler for requests loading resource owner information
*/
function resources_owner()
{
if ($directory = $this->resources_directory()) {
$id = rcube_utils::get_input_value('_id', rcube_utils::INPUT_GPC);
$data = $directory->get_resource_owner($id);
}
$this->rc->output->command('plugin.resource_owner', $data);
$this->rc->output->send();
}
/**
* Deliver event data for a resource's calendar
*/
function resources_calendar()
{
$events = [];
if ($directory = $this->resources_directory()) {
$id = rcube_utils::get_input_value('_id', rcube_utils::INPUT_GPC);
$start = $this->input_timestamp('start', rcube_utils::INPUT_GET);
$end = $this->input_timestamp('end', rcube_utils::INPUT_GET);
$events = $directory->get_resource_calendar($id, $start, $end);
}
echo $this->encode($events);
exit;
}
/**
* List email addressed of owned resources
*/
private function owned_resources_emails()
{
$results = [];
if ($directory = $this->resources_directory()) {
foreach ($directory->load_resources($_SESSION['kolab_dn'], 5000, 'owner') as $rec) {
$results[] = $rec['email'];
}
}
return $results;
}
/**** Event invitation plugin hooks ****/
/**
* Find an event in user calendars
*/
protected function find_event($event, &$mode)
{
$this->load_driver();
// We search for writeable calendars in personal namespace by default
$mode = calendar_driver::FILTER_WRITEABLE | calendar_driver::FILTER_PERSONAL;
$result = $this->driver->get_event($event, $mode);
// ... now check shared folders if not found
if (!$result) {
$result = $this->driver->get_event($event, calendar_driver::FILTER_WRITEABLE | calendar_driver::FILTER_SHARED);
if ($result) {
$mode |= calendar_driver::FILTER_SHARED;
}
}
return $result;
}
/**
* Handler for calendar/itip-status requests
*/
function event_itip_status()
{
$data = rcube_utils::get_input_value('data', rcube_utils::INPUT_POST, true);
$this->load_driver();
// find local copy of the referenced event (in personal namespace)
$existing = $this->find_event($data, $mode);
$is_shared = $mode & calendar_driver::FILTER_SHARED;
$itip = $this->load_itip();
$response = $itip->get_itip_status($data, $existing);
// get a list of writeable calendars to save new events to
if (
(!$existing || $is_shared)
&& empty($data['nosave'])
&& ($response['action'] == 'rsvp' || $response['action'] == 'import')
) {
$calendars = $this->driver->list_calendars($mode);
$calendar_select = new html_select([
'name' => 'calendar',
'id' => 'itip-saveto',
'is_escaped' => true,
'class' => 'form-control custom-select'
]);
$calendar_select->add('--', '');
$numcals = 0;
foreach ($calendars as $calendar) {
if (!empty($calendar['editable'])) {
$calendar_select->add($calendar['name'], $calendar['id']);
$numcals++;
}
}
if ($numcals < 1) {
$calendar_select = null;
}
}
if (!empty($calendar_select)) {
$default_calendar = $this->get_default_calendar($calendars);
$response['select'] = html::span('folder-select', $this->gettext('saveincalendar')
. '&nbsp;'
. $calendar_select->show($is_shared ? $existing['calendar'] : $default_calendar['id'])
);
}
else if (!empty($data['nosave'])) {
$response['select'] = html::tag('input', ['type' => 'hidden', 'name' => 'calendar', 'id' => 'itip-saveto', 'value' => '']);
}
// render small agenda view for the respective day
if ($data['method'] == 'REQUEST' && !empty($data['date']) && $response['action'] == 'rsvp') {
$event_start = rcube_utils::anytodatetime($data['date']);
$day_start = new Datetime(gmdate('Y-m-d 00:00', $data['date']), $this->lib->timezone);
$day_end = new Datetime(gmdate('Y-m-d 23:59', $data['date']), $this->lib->timezone);
// get events on that day from the user's personal calendars
$calendars = $this->driver->list_calendars(calendar_driver::FILTER_PERSONAL);
$events = $this->driver->load_events($day_start->format('U'), $day_end->format('U'), null, array_keys($calendars));
usort($events, function($a, $b) { return $a['start'] > $b['start'] ? 1 : -1; });
$before = $after = [];
foreach ($events as $event) {
// TODO: skip events with free_busy == 'free' ?
if ($event['uid'] == $data['uid']
|| $event['end'] < $day_start || $event['start'] > $day_end
|| $event['status'] == 'CANCELLED'
|| (!empty($event['className']) && strpos($event['className'], 'declined') !== false)
) {
continue;
}
if ($event['start'] < $event_start) {
$before[] = $this->mail_agenda_event_row($event);
}
else {
$after[] = $this->mail_agenda_event_row($event);
}
}
$response['append'] = [
'selector' => '.calendar-agenda-preview',
'replacements' => [
'%before%' => !empty($before) ? join("\n", array_slice($before, -3)) : html::div('event-row no-event', $this->gettext('noearlierevents')),
'%after%' => !empty($after) ? join("\n", array_slice($after, 0, 3)) : html::div('event-row no-event', $this->gettext('nolaterevents')),
],
];
}
$this->rc->output->command('plugin.update_itip_object_status', $response);
}
/**
* Handler for calendar/itip-remove requests
*/
function event_itip_remove()
{
$uid = rcube_utils::get_input_value('uid', rcube_utils::INPUT_POST);
$instance = rcube_utils::get_input_value('_instance', rcube_utils::INPUT_POST);
$savemode = rcube_utils::get_input_value('_savemode', rcube_utils::INPUT_POST);
$listmode = calendar_driver::FILTER_WRITEABLE | calendar_driver::FILTER_PERSONAL;
$success = false;
// search for event if only UID is given
if ($event = $this->driver->get_event(['uid' => $uid, '_instance' => $instance], $listmode)) {
$event['_savemode'] = $savemode;
$success = $this->driver->remove_event($event, true);
}
if ($success) {
$this->rc->output->show_message('calendar.successremoval', 'confirmation');
}
else {
$this->rc->output->show_message('calendar.errorsaving', 'error');
}
}
/**
* Handler for URLs that allow an invitee to respond on his invitation mail
*/
public function itip_attend_response($p)
{
$this->setup();
if ($p['action'] == 'attend') {
$this->ui->init();
$this->rc->output->set_env('task', 'calendar'); // override some env vars
$this->rc->output->set_env('refresh_interval', 0);
$this->rc->output->set_pagetitle($this->gettext('calendar'));
$itip = $this->load_itip();
$token = rcube_utils::get_input_value('_t', rcube_utils::INPUT_GPC);
// read event info stored under the given token
if ($invitation = $itip->get_invitation($token)) {
$this->token = $token;
$this->event = $invitation['event'];
// show message about cancellation
if (!empty($invitation['cancelled'])) {
$this->invitestatus = html::div('rsvp-status declined', $itip->gettext('eventcancelled'));
}
// save submitted RSVP status
else if (!empty($_POST['rsvp'])) {
$status = null;
foreach (['accepted', 'tentative', 'declined'] as $method) {
if ($_POST['rsvp'] == $itip->gettext('itip' . $method)) {
$status = $method;
break;
}
}
// send itip reply to organizer
$invitation['event']['comment'] = rcube_utils::get_input_value('_comment', rcube_utils::INPUT_POST);
if ($status && $itip->update_invitation($invitation, $invitation['attendee'], strtoupper($status))) {
$this->invitestatus = html::div('rsvp-status ' . strtolower($status), $itip->gettext('youhave'.strtolower($status)));
}
else {
$this->rc->output->command('display_message', $this->gettext('errorsaving'), 'error', -1);
}
// if user is logged in...
// FIXME: we should really consider removing this functionality
// it's confusing that it creates/updates an event only for logged-in user
// what if the logged-in user is not the same as the attendee?
if ($this->rc->user->ID) {
$this->load_driver();
$invitation = $itip->get_invitation($token);
$existing = $this->driver->get_event($this->event);
// save the event to his/her default calendar if not yet present
if (!$existing && ($calendar = $this->get_default_calendar())) {
$invitation['event']['calendar'] = $calendar['id'];
if ($this->driver->new_event($invitation['event'])) {
$msg = $this->gettext(['name' => 'importedsuccessfully', 'vars' => ['calendar' => $calendar['name']]]);
$this->rc->output->command('display_message', $msg, 'confirmation');
}
else {
$this->rc->output->command('display_message', $this->gettext('errorimportingevent'), 'error');
}
}
else if ($existing
&& ($this->event['sequence'] >= $existing['sequence']
|| $this->event['changed'] >= $existing['changed'])
&& ($calendar = $this->driver->get_calendar($existing['calendar']))
) {
$this->event = $invitation['event'];
$this->event['id'] = $existing['id'];
unset($this->event['comment']);
// merge attendees status
// e.g. preserve my participant status for regular updates
$this->lib->merge_attendees($this->event, $existing, $status);
// update attachments list
$event['deleted_attachments'] = true;
// show me as free when declined (#1670)
if ($status == 'declined') {
$this->event['free_busy'] = 'free';
}
if ($this->driver->edit_event($this->event)) {
$msg = $this->gettext(['name' => 'updatedsuccessfully', 'vars' => ['calendar' => $calendar->get_name()]]);
$this->rc->output->command('display_message', $msg, 'confirmation');
}
else {
$this->rc->output->command('display_message', $this->gettext('errorimportingevent'), 'error');
}
}
}
}
$this->register_handler('plugin.event_inviteform', [$this, 'itip_event_inviteform']);
$this->register_handler('plugin.event_invitebox', [$this->ui, 'event_invitebox']);
if (empty($this->invitestatus)) {
$this->itip->set_rsvp_actions(['accepted', 'tentative', 'declined']);
$this->register_handler('plugin.event_rsvp_buttons', [$this->ui, 'event_rsvp_buttons']);
}
$this->rc->output->set_pagetitle($itip->gettext('itipinvitation') . ' ' . $this->event['title']);
}
else {
$this->rc->output->command('display_message', $this->gettext('itipinvalidrequest'), 'error', -1);
}
$this->rc->output->send('calendar.itipattend');
}
}
/**
*
*/
public function itip_event_inviteform($attrib)
{
$hidden = new html_hiddenfield(['name' => "_t", 'value' => $this->token]);
return html::tag('form', [
'action' => $this->rc->url(['task' => 'calendar', 'action' => 'attend']),
'method' => 'post',
'noclose' => true
] + $attrib
) . $hidden->show();
}
/**
*
*/
private function mail_agenda_event_row($event, $class = '')
{
if (!empty($event['allday'])) {
$time = $this->gettext('all-day');
}
else {
$start = is_object($event['start']) ? clone $event['start'] : $event['start'];
$end = is_object($event['end']) ? clone $event['end'] : $event['end'];
$time = $this->rc->format_date($start, $this->rc->config->get('time_format'))
. ' - ' . $this->rc->format_date($end, $this->rc->config->get('time_format'));
}
return html::div(rtrim('event-row ' . ($class ?: $event['className'])),
html::span('event-date', $time)
. html::span('event-title', rcube::Q($event['title']))
);
}
/**
*
*/
public function mail_messages_list($p)
{
if (!empty($p['cols']) && in_array('attachment', (array) $p['cols']) && !empty($p['messages'])) {
foreach ($p['messages'] as $header) {
$part = new StdClass;
$part->mimetype = $header->ctype;
if (libcalendaring::part_is_vcalendar($part)) {
$header->list_flags['attachmentClass'] = 'ical';
}
else if (in_array($header->ctype, ['multipart/alternative', 'multipart/mixed'])) {
// TODO: fetch bodystructure and search for ical parts. Maybe too expensive?
if (!empty($header->structure) && !empty($header->structure->parts)) {
foreach ($header->structure->parts as $part) {
if (libcalendaring::part_is_vcalendar($part)
&& !empty($part->ctype_parameters['method'])
) {
$header->list_flags['attachmentClass'] = 'ical';
break;
}
}
}
}
}
}
}
/**
* Add UI element to copy event invitations or updates to the calendar
*/
public function mail_messagebody_html($p)
{
// load iCalendar functions (if necessary)
if (!empty($this->lib->ical_parts)) {
$this->get_ical();
$this->load_itip();
}
$html = '';
$has_events = false;
$ical_objects = $this->lib->get_mail_ical_objects();
// show a box for every event in the file
foreach ($ical_objects as $idx => $event) {
if ($event['_type'] != 'event') {
// skip non-event objects (#2928)
continue;
}
$has_events = true;
// get prepared inline UI for this event object
if ($ical_objects->method) {
$append = '';
$date_str = $this->rc->format_date(clone $event['start'], $this->rc->config->get('date_format'), empty($event['start']->_dateonly));
$date = new DateTime($event['start']->format('Y-m-d') . ' 12:00:00', new DateTimeZone('UTC'));
// prepare a small agenda preview to be filled with actual event data on async request
if ($ical_objects->method == 'REQUEST') {
$append = html::div('calendar-agenda-preview',
html::tag('h3', 'preview-title', $this->gettext('agenda') . ' ' . html::span('date', $date_str))
. '%before%' . $this->mail_agenda_event_row($event, 'current') . '%after%'
);
}
$html .= html::div('calendar-invitebox invitebox boxinformation',
$this->itip->mail_itip_inline_ui(
$event,
$ical_objects->method,
$ical_objects->mime_id . ':' . $idx,
'calendar',
rcube_utils::anytodatetime($ical_objects->message_date),
$this->rc->url(['task' => 'calendar']) . '&view=agendaDay&date=' . $date->format('U')
) . $append
);
}
// limit listing
if ($idx >= 3) {
break;
}
}
// prepend event boxes to message body
if ($html) {
$this->ui->init();
$p['content'] = $html . $p['content'];
$this->rc->output->add_label('calendar.savingdata','calendar.deleteventconfirm','calendar.declinedeleteconfirm');
}
// add "Save to calendar" button into attachment menu
if ($has_events) {
$this->add_button([
'id' => 'attachmentsavecal',
'name' => 'attachmentsavecal',
'type' => 'link',
'wrapper' => 'li',
'command' => 'attachment-save-calendar',
'class' => 'icon calendarlink disabled',
'classact' => 'icon calendarlink active',
'innerclass' => 'icon calendar',
'label' => 'calendar.savetocalendar',
],
'attachmentmenu'
);
}
return $p;
}
/**
* Handler for POST request to import an event attached to a mail message
*/
public function mail_import_itip()
{
$itip_sending = $this->rc->config->get('calendar_itip_send_option', $this->defaults['calendar_itip_send_option']);
$uid = rcube_utils::get_input_value('_uid', rcube_utils::INPUT_POST);
$mbox = rcube_utils::get_input_value('_mbox', rcube_utils::INPUT_POST);
$mime_id = rcube_utils::get_input_value('_part', rcube_utils::INPUT_POST);
$status = rcube_utils::get_input_value('_status', rcube_utils::INPUT_POST);
$delete = intval(rcube_utils::get_input_value('_del', rcube_utils::INPUT_POST));
$noreply = intval(rcube_utils::get_input_value('_noreply', rcube_utils::INPUT_POST));
$noreply = $noreply || $status == 'needs-action' || $itip_sending === 0;
$instance = rcube_utils::get_input_value('_instance', rcube_utils::INPUT_POST);
$savemode = rcube_utils::get_input_value('_savemode', rcube_utils::INPUT_POST);
$comment = rcube_utils::get_input_value('_comment', rcube_utils::INPUT_POST);
$error_msg = $this->gettext('errorimportingevent');
$success = false;
$deleted = false;
if ($status == 'delegated') {
$to = rcube_utils::get_input_value('_to', rcube_utils::INPUT_POST, true);
$delegates = rcube_mime::decode_address_list($to, 1, false);
$delegate = reset($delegates);
if (empty($delegate) || empty($delegate['mailto'])) {
$this->rc->output->command('display_message', $this->rc->gettext('libcalendaring.delegateinvalidaddress'), 'error');
return;
}
}
// successfully parsed events?
if ($event = $this->lib->mail_get_itip_object($mbox, $uid, $mime_id, 'event')) {
// forward iTip request to delegatee
if (!empty($delegate)) {
$rsvpme = rcube_utils::get_input_value('_rsvp', rcube_utils::INPUT_POST);
$itip = $this->load_itip();
$event['comment'] = $comment;
if ($itip->delegate_to($event, $delegate, !empty($rsvpme))) {
$this->rc->output->show_message('calendar.itipsendsuccess', 'confirmation');
}
else {
$this->rc->output->command('display_message', $this->gettext('itipresponseerror'), 'error');
}
unset($event['comment']);
// the delegator is set to non-participant, thus save as non-blocking
$event['free_busy'] = 'free';
}
$mode = calendar_driver::FILTER_PERSONAL
| calendar_driver::FILTER_SHARED
| calendar_driver::FILTER_WRITEABLE;
// find writeable calendar to store event
$cal_id = rcube_utils::get_input_value('_folder', rcube_utils::INPUT_POST);
$dontsave = $cal_id === '' && $event['_method'] == 'REQUEST';
$calendars = $this->driver->list_calendars($mode);
$calendar = isset($calendars[$cal_id]) ? $calendars[$cal_id] : null;
// select default calendar except user explicitly selected 'none'
if (!$calendar && !$dontsave) {
$calendar = $this->get_default_calendar($calendars);
}
$metadata = [
'uid' => $event['uid'],
'_instance' => isset($event['_instance']) ? $event['_instance'] : null,
'changed' => is_object($event['changed']) ? $event['changed']->format('U') : 0,
'sequence' => intval($event['sequence']),
- 'fallback' => strtoupper($status),
+ 'fallback' => strtoupper((string) $status),
'method' => $event['_method'],
'task' => 'calendar',
];
// update my attendee status according to submitted method
if (!empty($status)) {
$organizer = null;
$emails = $this->get_user_emails();
foreach ($event['attendees'] as $i => $attendee) {
- if ($attendee['role'] == 'ORGANIZER') {
+ $attendee_role = $attendee['role'] ?? null;
+ $attendee_email = $attendee['email'] ?? null;
+
+ if ($attendee_role == 'ORGANIZER') {
$organizer = $attendee;
}
- else if (!empty($attendee['email']) && in_array(strtolower($attendee['email']), $emails)) {
+ else if ($attendee_email && in_array(strtolower($attendee_email), $emails)) {
$event['attendees'][$i]['status'] = strtoupper($status);
if (!in_array($event['attendees'][$i]['status'], ['NEEDS-ACTION', 'DELEGATED'])) {
$event['attendees'][$i]['rsvp'] = false; // unset RSVP attribute
}
- $metadata['attendee'] = $attendee['email'];
- $metadata['rsvp'] = $attendee['role'] != 'NON-PARTICIPANT';
+ $metadata['attendee'] = $attendee_email;
+ $metadata['rsvp'] = $attendee_role != 'NON-PARTICIPANT';
- $reply_sender = $attendee['email'];
+ $reply_sender = $attendee_email;
$event_attendee = $attendee;
}
}
// add attendee with this user's default identity if not listed
- if (!$reply_sender) {
+ if (empty($reply_sender)) {
$sender_identity = $this->rc->user->list_emails(true);
$event['attendees'][] = [
'name' => $sender_identity['name'],
'email' => $sender_identity['email'],
'role' => 'OPT-PARTICIPANT',
'status' => strtoupper($status),
];
$metadata['attendee'] = $sender_identity['email'];
}
}
// save to calendar
if ($calendar && !empty($calendar['editable'])) {
// check for existing event with the same UID
$existing = $this->find_event($event, $mode);
// we'll create a new copy if user decided to change the calendar
if ($existing && $cal_id && $calendar && $calendar['id'] != $existing['calendar']) {
$existing = null;
}
+ $event_attendee = null;
+ $update_attendees = [];
+
if ($existing) {
$calendar = $calendars[$existing['calendar']];
// forward savemode for correct updates of recurring events
$existing['_savemode'] = $savemode ?: (!empty($event['_savemode']) ? $event['_savemode'] : null);
// only update attendee status
if ($event['_method'] == 'REPLY') {
$existing_attendee_index = -1;
- $event_attendee = null;
- $update_attendees = [];
-
if ($attendee = $this->itip->find_reply_attendee($event)) {
$event_attendee = $attendee;
$update_attendees[] = $attendee;
$metadata['fallback'] = $attendee['status'];
$metadata['attendee'] = $attendee['email'];
$metadata['rsvp'] = !empty($attendee['rsvp']) || $attendee['role'] != 'NON-PARTICIPANT';
$existing_attendee_emails = [];
// Find the attendee to update
foreach ($existing['attendees'] as $i => $existing_attendee) {
$existing_attendee_emails[] = $existing_attendee['email'];
if ($this->itip->compare_email($existing_attendee['email'], $attendee['email'])) {
$existing_attendee_index = $i;
}
}
if ($attendee['status'] == 'DELEGATED') {
//Also find and copy the delegatee
$delegatee_email = $attendee['email'];
$delegatees = array_filter($event['attendees'], function($attendee) use ($delegatee_email){ return $attendee['role'] != 'ORGANIZER' && $this->itip->compare_email($attendee['delegated-from'], $delegatee_email); });
if ($delegatee = $this->itip->find_attendee_by_email($event['attendees'], 'delegated-from', $attendee['email'])) {
$update_attendees[] = $delegatee;
if (!in_array_nocase($delegatee['email'], $existing_attendee_emails)) {
$existing['attendees'][] = $delegated_attendee;
}
}
}
}
// if delegatee has declined, set delegator's RSVP=True
if ($event_attendee
&& $event_attendee['status'] == 'DECLINED'
&& !empty($event_attendee['delegated-from'])
) {
foreach ($existing['attendees'] as $i => $attendee) {
if ($attendee['email'] == $event_attendee['delegated-from']) {
$existing['attendees'][$i]['rsvp'] = true;
break;
}
}
}
// found matching attendee entry in both existing and new events
if ($existing_attendee_index >= 0 && $event_attendee) {
$existing['attendees'][$existing_attendee_index] = $event_attendee;
$success = $this->driver->update_attendees($existing, $update_attendees);
}
// update the entire attendees block
else if (
($event['sequence'] >= $existing['sequence'] || $event['changed'] >= $existing['changed'])
&& $event_attendee
) {
$existing['attendees'][] = $event_attendee;
$success = $this->driver->update_attendees($existing, $update_attendees);
}
else if (!$event_attendee) {
$error_msg = $this->gettext('errorunknownattendee');
}
else {
$error_msg = $this->gettext('newerversionexists');
}
}
// delete the event when declined (#1670)
else if ($status == 'declined' && $delete) {
$deleted = $this->driver->remove_event($existing, true);
$success = true;
}
// import the (newer) event
else if ($event['sequence'] >= $existing['sequence'] || $event['changed'] >= $existing['changed']) {
$event['id'] = $existing['id'];
$event['calendar'] = $existing['calendar'];
// merge attendees status
// e.g. preserve my participant status for regular updates
$this->lib->merge_attendees($event, $existing, $status);
// set status=CANCELLED on CANCEL messages
if ($event['_method'] == 'CANCEL') {
$event['status'] = 'CANCELLED';
}
// update attachments list, allow attachments update only on REQUEST (#5342)
if ($event['_method'] == 'REQUEST') {
$event['deleted_attachments'] = true;
}
else {
unset($event['attachments']);
}
// show me as free when declined (#1670)
if ($status == 'declined'
|| (!empty($event['status']) && $event['status'] == 'CANCELLED')
- || $event_attendee['role'] == 'NON-PARTICIPANT'
+ || ($event_attendee && ($event_attendee['role'] ?? '') == 'NON-PARTICIPANT')
) {
$event['free_busy'] = 'free';
}
$success = $this->driver->edit_event($event);
}
else if (!empty($status)) {
$existing['attendees'] = $event['attendees'];
- if ($status == 'declined' || $event_attendee['role'] == 'NON-PARTICIPANT') {
+ if ($status == 'declined' || ($event_attendee && ($event_attendee['role'] ?? '') == 'NON-PARTICIPANT')) {
// show me as free when declined (#1670)
$existing['free_busy'] = 'free';
}
$success = $this->driver->edit_event($existing);
}
else {
$error_msg = $this->gettext('newerversionexists');
}
}
else if (!$existing && ($status != 'declined' || $this->rc->config->get('kolab_invitation_calendars'))) {
if ($status == 'declined'
|| $event['status'] == 'CANCELLED'
- || $event_attendee['role'] == 'NON-PARTICIPANT'
+ || ($event_attendee && ($event_attendee['role'] ?? '') == 'NON-PARTICIPANT')
) {
$event['free_busy'] = 'free';
}
// if the RSVP reply only refers to a single instance:
// store unmodified master event with current instance as exception
if (!empty($instance) && !empty($savemode) && $savemode != 'all') {
$master = $this->lib->mail_get_itip_object($mbox, $uid, $mime_id, 'event');
if ($master['recurrence'] && empty($master['_instance'])) {
// compute recurring events until this instance's date
if ($recurrence_date = rcube_utils::anytodatetime($instance, $master['start']->getTimezone())) {
$recurrence_date->setTime(23,59,59);
foreach ($this->driver->get_recurring_events($master, $master['start'], $recurrence_date) as $recurring) {
if ($recurring['_instance'] == $instance) {
// copy attendees block with my partstat to exception
$recurring['attendees'] = $event['attendees'];
$master['recurrence']['EXCEPTIONS'][] = $recurring;
$event = $recurring; // set reference for iTip reply
break;
}
}
$master['calendar'] = $event['calendar'] = $calendar['id'];
$success = $this->driver->new_event($master);
}
else {
$master = null;
}
}
else {
$master = null;
}
}
// save to the selected/default calendar
- if (!$master) {
+ if (empty($master)) {
$event['calendar'] = $calendar['id'];
$success = $this->driver->new_event($event);
}
}
else if ($status == 'declined') {
$error_msg = null;
}
}
else if ($status == 'declined' || $dontsave) {
$error_msg = null;
}
else {
$error_msg = $this->gettext('nowritecalendarfound');
}
}
if ($success) {
if ($event['_method'] == 'REPLY') {
$message = 'attendeupdateesuccess';
}
else {
$message = $deleted ? 'successremoval' : ($existing ? 'updatedsuccessfully' : 'importedsuccessfully');
}
$msg = $this->gettext(['name' => $message, 'vars' => ['calendar' => $calendar['name']]]);
$this->rc->output->command('display_message', $msg, 'confirmation');
}
if ($success || $dontsave) {
$metadata['calendar'] = isset($event['calendar']) ? $event['calendar'] : null;
$metadata['nosave'] = $dontsave;
$metadata['rsvp'] = !empty($metadata['rsvp']);
$metadata['after_action'] = $this->rc->config->get('calendar_itip_after_action', $this->defaults['calendar_itip_after_action']);
$this->rc->output->command('plugin.itip_message_processed', $metadata);
$error_msg = null;
}
else if ($error_msg) {
$this->rc->output->command('display_message', $error_msg, 'error');
}
// send iTip reply
if ($event['_method'] == 'REQUEST' && !empty($organizer) && !$noreply
&& !in_array(strtolower($organizer['email']), $emails) && !$error_msg
) {
$event['comment'] = $comment;
$itip = $this->load_itip();
$itip->set_sender_email($reply_sender);
if ($itip->send_itip_message($event, 'REPLY', $organizer, 'itipsubject' . $status, 'itipmailbody' . $status)) {
$mailto = $organizer['name'] ? $organizer['name'] : $organizer['email'];
$msg = $this->gettext(['name' => 'sentresponseto', 'vars' => ['mailto' => $mailto]]);
$this->rc->output->command('display_message', $msg, 'confirmation');
}
else {
$this->rc->output->command('display_message', $this->gettext('itipresponseerror'), 'error');
}
}
$this->rc->output->send();
}
/**
* Handler for calendar/itip-remove requests
*/
function mail_itip_decline_reply()
{
$uid = rcube_utils::get_input_value('_uid', rcube_utils::INPUT_POST);
$mbox = rcube_utils::get_input_value('_mbox', rcube_utils::INPUT_POST);
$mime_id = rcube_utils::get_input_value('_part', rcube_utils::INPUT_POST);
if (($event = $this->lib->mail_get_itip_object($mbox, $uid, $mime_id, 'event'))
&& $event['_method'] == 'REPLY'
) {
$event['comment'] = rcube_utils::get_input_value('_comment', rcube_utils::INPUT_POST);
foreach ($event['attendees'] as $_attendee) {
if ($_attendee['role'] != 'ORGANIZER') {
$attendee = $_attendee;
break;
}
}
$itip = $this->load_itip();
if ($itip->send_itip_message($event, 'CANCEL', $attendee, 'itipsubjectcancel', 'itipmailbodycancel')) {
$mailto = !empty($attendee['name']) ? $attendee['name'] : $attendee['email'];
$msg = $this->gettext(['name' => 'sentresponseto', 'vars' => ['mailto' => $mailto]]);
$this->rc->output->command('display_message', $msg, 'confirmation');
}
else {
$this->rc->output->command('display_message', $this->gettext('itipresponseerror'), 'error');
}
}
else {
$this->rc->output->command('display_message', $this->gettext('itipresponseerror'), 'error');
}
}
/**
* Handler for calendar/itip-delegate requests
*/
function mail_itip_delegate()
{
// forward request to mail_import_itip() with the right status
$_POST['_status'] = $_REQUEST['_status'] = 'delegated';
$this->mail_import_itip();
}
/**
* Import the full payload from a mail message attachment
*/
public function mail_import_attachment()
{
$uid = rcube_utils::get_input_value('_uid', rcube_utils::INPUT_POST);
$mbox = rcube_utils::get_input_value('_mbox', rcube_utils::INPUT_POST);
$mime_id = rcube_utils::get_input_value('_part', rcube_utils::INPUT_POST);
$charset = RCUBE_CHARSET;
// establish imap connection
$imap = $this->rc->get_storage();
$imap->set_folder($mbox);
if ($uid && $mime_id) {
$part = $imap->get_message_part($uid, $mime_id);
// $headers = $imap->get_message_headers($uid);
if ($part) {
if (!empty($part->ctype_parameters['charset'])) {
$charset = $part->ctype_parameters['charset'];
}
$events = $this->get_ical()->import($part, $charset);
}
}
$success = $existing = 0;
if (!empty($events)) {
// find writeable calendar to store event
$cal_id = !empty($_REQUEST['_calendar']) ? rcube_utils::get_input_value('_calendar', rcube_utils::INPUT_POST) : null;
$calendars = $this->driver->list_calendars(calendar_driver::FILTER_PERSONAL);
foreach ($events as $event) {
// save to calendar
$calendar = !empty($calendars[$cal_id]) ? $calendars[$cal_id] : $this->get_default_calendar();
if ($calendar && $calendar['editable'] && $event['_type'] == 'event') {
$event['calendar'] = $calendar['id'];
if (!$this->driver->get_event($event['uid'], calendar_driver::FILTER_WRITEABLE)) {
$success += (bool)$this->driver->new_event($event);
}
else {
$existing++;
}
}
}
}
if ($success) {
$msg = $this->gettext(['name' => 'importsuccess', 'vars' => ['nr' => $success]]);
$this->rc->output->command('display_message', $msg, 'confirmation');
}
else if ($existing) {
$this->rc->output->command('display_message', $this->gettext('importwarningexists'), 'warning');
}
else {
$this->rc->output->command('display_message', $this->gettext('errorimportingevent'), 'error');
}
}
/**
* Read email message and return contents for a new event based on that message
*/
public function mail_message2event()
{
$this->ui->init();
$this->ui->addJS();
$this->ui->init_templates();
$this->ui->calendar_list([], true); // set env['calendars']
$uid = rcube_utils::get_input_value('_uid', rcube_utils::INPUT_GET);
$mbox = rcube_utils::get_input_value('_mbox', rcube_utils::INPUT_GET);
$event = [];
// establish imap connection
$imap = $this->rc->get_storage();
$message = new rcube_message($uid, $mbox);
if ($message->headers) {
$event['title'] = trim($message->subject);
$event['description'] = trim($message->first_text_part());
$this->load_driver();
// add a reference to the email message
if ($msgref = $this->driver->get_message_reference($message->headers, $mbox)) {
$event['links'] = [$msgref];
}
// copy mail attachments to event
else if (!empty($message->attachments) && !empty($this->driver->attachments)) {
$handler = new kolab_attachments_handler();
$event['attachments'] = $handler->copy_mail_attachments(self::SESSION_KEY, 'cal-', $message);
}
$this->rc->output->set_env('event_prop', $event);
}
else {
$this->rc->output->command('display_message', $this->gettext('messageopenerror'), 'error');
}
$this->rc->output->send('calendar.dialog');
}
/**
* Handler for the 'message_compose' plugin hook. This will check for
* a compose parameter 'calendar_event' and create an attachment with the
* referenced event in iCal format
*/
public function mail_message_compose($args)
{
// set the submitted event ID as attachment
if (!empty($args['param']['calendar_event'])) {
$this->load_driver();
list($cal, $id) = explode(':', $args['param']['calendar_event'], 2);
if ($event = $this->driver->get_event(['id' => $id, 'calendar' => $cal])) {
$filename = asciiwords($event['title']);
if (empty($filename)) {
$filename = 'event';
}
// save ics to a temp file and register as attachment
$tmp_path = tempnam($this->rc->config->get('temp_dir'), 'rcmAttmntCal');
$export = $this->get_ical()->export([$event], '', false, [$this->driver, 'get_attachment_body']);
file_put_contents($tmp_path, $export);
$args['attachments'][] = [
'path' => $tmp_path,
'name' => $filename . '.ics',
'mimetype' => 'text/calendar',
'size' => filesize($tmp_path),
];
$args['param']['subject'] = $event['title'];
}
}
return $args;
}
/**
* Create a Nextcould Talk room
*/
public function talk_room_create()
{
require_once __DIR__ . '/lib/calendar_nextcloud_api.php';
$api = new calendar_nextcloud_api();
$name = (string) rcube_utils::get_input_value('_name', rcube_utils::INPUT_POST);
$room_url = $api->talk_room_create($name);
if ($room_url) {
$this->rc->output->command('plugin.talk_room_created', ['url' => $room_url]);
}
else {
$this->rc->output->command('display_message', $this->gettext('talkroomcreateerror'), 'error');
}
}
/**
* Update a Nextcould Talk room
*/
public function talk_room_update($event)
{
// If a room is assigned to the event...
if (
($talk_url = $this->rc->config->get('calendar_nextcloud_url'))
&& isset($event['attendees'])
&& !empty($event['location'])
&& strpos($event['location'], unslashify($talk_url) . '/call/') === 0
) {
$participants = [];
$organizer = null;
// ollect participants' and organizer's email addresses
foreach ($event['attendees'] as $attendee) {
if (!empty($attendee['email'])) {
if ($attendee['role'] == 'ORGANIZER') {
$organizer = $attendee['email'];
}
else if ($attendee['cutype'] == 'INDIVIDUAL') {
$participants[] = $attendee['email'];
}
}
}
// If the event is owned by the current user update the room
if ($organizer && in_array($organizer, $this->get_user_emails())) {
require_once __DIR__ . '/lib/calendar_nextcloud_api.php';
$api = new calendar_nextcloud_api();
$api->talk_room_update($event['location'], $participants);
}
}
}
/**
* Get a list of email addresses of the current user (from login and identities)
*/
public function get_user_emails()
{
return $this->lib->get_user_emails();
}
/**
* Build an absolute URL with the given parameters
*/
public function get_url($param = [])
{
$param += ['task' => 'calendar'];
return $this->rc->url($param, true, true);
}
public function ical_feed_hash($source)
{
return base64_encode($this->rc->user->get_username() . ':' . $source);
}
/**
* Handler for user_delete plugin hook
*/
public function user_delete($args)
{
// delete itipinvitations entries related to this user
$db = $this->rc->get_dbh();
$table_itipinvitations = $db->table_name('itipinvitations', true);
$db->query("DELETE FROM $table_itipinvitations WHERE `user_id` = ?", $args['user']->ID);
$this->setup();
$this->load_driver();
return $this->driver->user_delete($args);
}
/**
* Find first occurrence of a recurring event excluding start date
*
* @param array $event Event data (with 'start' and 'recurrence')
*
* @return DateTime Date of the first occurrence
*/
public function find_first_occurrence($event)
{
// Make sure libkolab/libcalendaring plugins are loaded
$this->load_driver();
$driver_name = $this->rc->config->get('calendar_driver', 'database');
// Use kolabcalendaring/kolabformat to compute recurring events only with the Kolab driver
if ($driver_name == 'kolab' && class_exists('kolabformat') && class_exists('kolabcalendaring')
&& class_exists('kolab_date_recurrence')
) {
$object = kolab_format::factory('event', 3.0);
$object->set($event);
$recurrence = new kolab_date_recurrence($object);
}
else {
// fallback to libcalendaring recurrence implementation
$recurrence = new libcalendaring_recurrence($this->lib, $event);
}
return $recurrence->first_occurrence();
}
/**
* Get date-time input from UI and convert to unix timestamp
*/
protected function input_timestamp($name, $type)
{
$ts = rcube_utils::get_input_value($name, $type);
if ($ts && (!is_numeric($ts) || strpos($ts, 'T'))) {
$ts = new DateTime($ts, $this->timezone);
$ts = $ts->getTimestamp();
}
return $ts;
}
/**
* Magic getter for public access to protected members
*/
public function __get($name)
{
switch ($name) {
case 'ical':
return $this->get_ical();
case 'itip':
return $this->load_itip();
case 'driver':
$this->load_driver();
return $this->driver;
}
return null;
}
}
diff --git a/plugins/calendar/drivers/caldav/caldav_calendar.php b/plugins/calendar/drivers/caldav/caldav_calendar.php
index 873e1f4e..260ca9cc 100644
--- a/plugins/calendar/drivers/caldav/caldav_calendar.php
+++ b/plugins/calendar/drivers/caldav/caldav_calendar.php
@@ -1,880 +1,880 @@
<?php
/**
* CalDAV calendar storage class
*
* @author Aleksander Machniak <machniak@apheleia-it.ch>
*
* Copyright (C) 2012-2022, Apheleia IT AG <contact@apheleia-it.ch>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
class caldav_calendar extends kolab_storage_dav_folder
{
public $ready = false;
public $rights = 'lrs';
public $editable = false;
public $attachments = true;
public $alarms = false;
public $history = false;
public $subscriptions = false;
public $categories = [];
public $storage;
public $type = 'event';
protected $cal;
protected $events = [];
protected $search_fields = ['title', 'description', 'location', 'attendees', 'categories'];
/**
* Factory method to instantiate a caldav_calendar object
*
* @param string $id Calendar ID (encoded IMAP folder name)
* @param object $calendar Calendar plugin object
*
* @return caldav_calendar Self instance
*/
public static function factory($id, $calendar)
{
return new caldav_calendar($id, $calendar);
}
/**
* Default constructor
*/
public function __construct($folder_or_id, $calendar)
{
if ($folder_or_id instanceof kolab_storage_dav_folder) {
$this->storage = $folder_or_id;
}
else {
// $this->storage = kolab_storage_dav::get_folder($folder_or_id, 'event');
}
$this->cal = $calendar;
$this->id = $this->storage->id;
$this->attributes = $this->storage->attributes;
$this->ready = true;
$this->alarms = !isset($this->storage->attributes['alarms']) || $this->storage->attributes['alarms'];
// Set writeable and alarms flags according to folder permissions
if ($this->ready) {
if ($this->storage->get_namespace() == 'personal') {
$this->editable = true;
$this->rights = 'lrswikxteav';
}
else {
$rights = $this->storage->get_myrights();
if ($rights) {
$this->rights = $rights;
if (strpos($rights, 't') !== false || strpos($rights, 'd') !== false) {
$this->editable = strpos($rights, 'i');;
}
}
}
}
$this->default = $this->storage->default;
$this->subtype = $this->storage->subtype;
}
/**
* Getter for the folder name
*
* @return string Name of the folder
*/
public function get_realname()
{
return $this->get_name();
}
/**
* Return color to display this calendar
*/
public function get_color($default = null)
{
if ($color = $this->storage->get_color()) {
return $color;
}
return $default ?: 'cc0000';
}
/**
* Compose an URL for CalDAV access to this calendar (if configured)
*/
public function get_caldav_url()
{
/*
if ($template = $this->cal->rc->config->get('calendar_caldav_url', null)) {
return strtr($template, [
'%h' => $_SERVER['HTTP_HOST'],
'%u' => urlencode($this->cal->rc->get_user_name()),
'%i' => urlencode($this->storage->get_uid()),
'%n' => urlencode($this->name),
]);
}
*/
return false;
}
/**
* Update properties of this calendar folder
*
* @see caldav_driver::edit_calendar()
*/
public function update(&$prop)
{
return false; // NOP
}
/**
* Getter for a single event object
*/
public function get_event($id)
{
// remove our occurrence identifier if it's there
$master_id = preg_replace('/-\d{8}(T\d{6})?$/', '', $id);
// directly access storage object
if (empty($this->events[$id]) && $master_id == $id && ($record = $this->storage->get_object($id))) {
$this->events[$id] = $record = $this->_to_driver_event($record, true);
}
// maybe a recurring instance is requested
if (empty($this->events[$id]) && $master_id != $id) {
$instance_id = substr($id, strlen($master_id) + 1);
if ($record = $this->storage->get_object($master_id)) {
$master = $record = $this->_to_driver_event($record);
}
if (!empty($master)) {
// check for match on the first instance already
if (!empty($master['_instance']) && $master['_instance'] == $instance_id) {
$this->events[$id] = $master;
}
else if (!empty($master['recurrence'])) {
$start_date = $master['start'];
// For performance reasons we'll get only the specific instance
if (($date = substr($id, strlen($master_id) + 1, 8)) && strlen($date) == 8 && is_numeric($date)) {
$start_date = new DateTime($date . 'T000000', $master['start']->getTimezone());
}
$this->get_recurring_events($record, $start_date, null, $id, 1);
}
}
}
- return $this->events[$id];
+ return $this->events[$id] ?? null;
}
/**
* Get attachment body
* @see calendar_driver::get_attachment_body()
*/
public function get_attachment_body($id, $event)
{
$event = $this->get_event($event['id']);
$data = $this->storage->get_attachment($id, $event);
/*
if ($data === false) {
// try again with master UID
$uid = preg_replace('/-\d+(T\d{6})?$/', '', $event['id']);
if ($uid != $event['id']) {
$data = $this->storage->get_attachment($uid, $id); // TODO
}
}
*/
return $data;
}
/**
* @param int Event's new start (unix timestamp)
* @param int Event's new end (unix timestamp)
* @param string Search query (optional)
* @param bool Include virtual events (optional)
* @param array Additional parameters to query storage
* @param array Additional query to filter events
*
* @return array A list of event records
*/
public function list_events($start, $end, $search = null, $virtual = 1, $query = [], $filter_query = null)
{
// convert to DateTime for comparisons
// #5190: make the range a little bit wider
// to workaround possible timezone differences
try {
$start = new DateTime('@' . ($start - 12 * 3600));
}
catch (Exception $e) {
$start = new DateTime('@0');
}
try {
$end = new DateTime('@' . ($end + 12 * 3600));
}
catch (Exception $e) {
$end = new DateTime('today +10 years');
}
// get email addresses of the current user
$user_emails = $this->cal->get_user_emails();
// query Kolab storage
$query[] = ['dtstart', '<=', $end];
$query[] = ['dtend', '>=', $start];
if (is_array($filter_query)) {
$query = array_merge($query, $filter_query);
}
$words = [];
$partstat_exclude = [];
$events = [];
if (!empty($search)) {
$search = mb_strtolower($search);
$words = rcube_utils::tokenize_string($search, 1);
foreach (rcube_utils::normalize_string($search, true) as $word) {
$query[] = ['words', 'LIKE', $word];
}
}
// set partstat filter to skip pending and declined invitations
if (empty($filter_query)
&& $this->cal->rc->config->get('kolab_invitation_calendars')
&& $this->get_namespace() != 'other'
) {
$partstat_exclude = ['NEEDS-ACTION', 'DECLINED'];
}
foreach ($this->storage->select($query) as $record) {
if (empty($record)) {
continue;
}
$event = $this->_to_driver_event($record, !$virtual, false);
// remember seen categories
if (!empty($event['categories'])) {
$cat = is_array($event['categories']) ? $event['categories'][0] : $event['categories'];
$this->categories[$cat]++;
}
// list events in requested time window
if ($event['start'] <= $end && $event['end'] >= $start) {
unset($event['_attendees']);
$add = true;
// skip the first instance of a recurring event if listed in exdate
if ($virtual && !empty($event['recurrence']['EXDATE'])) {
$event_date = $event['start']->format('Ymd');
$event_tz = $event['start']->getTimezone();
foreach ((array) $event['recurrence']['EXDATE'] as $exdate) {
$ex = clone $exdate;
$ex->setTimezone($event_tz);
if ($ex->format('Ymd') == $event_date) {
$add = false;
break;
}
}
}
// find and merge exception for the first instance
if ($virtual && !empty($event['recurrence']) && !empty($event['recurrence']['EXCEPTIONS'])) {
foreach ($event['recurrence']['EXCEPTIONS'] as $exception) {
if (libcalendaring::is_recurrence_exception($event, $exception)) {
unset($exception['calendar'], $exception['className'], $exception['_folder_id']);
// clone date objects from main event before adjusting them with exception data
if (is_object($event['start'])) {
$event['start'] = clone $record['start'];
}
if (is_object($event['end'])) {
$event['end'] = clone $record['end'];
}
kolab_driver::merge_exception_data($event, $exception);
}
}
}
if ($add) {
$events[] = $event;
}
}
// resolve recurring events
if (!empty($event['recurrence']) && $virtual == 1) {
$events = array_merge($events, $this->get_recurring_events($event, $start, $end));
}
// add top-level exceptions (aka loose single occurrences)
else if (!empty($record['exceptions'])) {
foreach ($record['exceptions'] as $ex) {
$component = $this->_to_driver_event($ex, false, false, $record);
if ($component['start'] <= $end && $component['end'] >= $start) {
$events[] = $component;
}
}
}
}
// post-filter all events by fulltext search and partstat values
$me = $this;
$events = array_filter($events, function($event) use ($words, $partstat_exclude, $user_emails, $me) {
// fulltext search
if (count($words)) {
$hits = 0;
foreach ($words as $word) {
$hits += $me->fulltext_match($event, $word, false);
}
if ($hits < count($words)) {
return false;
}
}
// partstat filter
if (count($partstat_exclude) && !empty($event['attendees'])) {
foreach ($event['attendees'] as $attendee) {
if (
in_array($attendee['email'], $user_emails)
&& in_array($attendee['status'], $partstat_exclude)
) {
return false;
}
}
}
return true;
});
// Apply event-to-mail relations
// $config = kolab_storage_config::get_instance();
// $config->apply_links($events);
return $events;
}
/**
* Get number of events in the given calendar
*
* @param int Date range start (unix timestamp)
* @param int Date range end (unix timestamp)
* @param array Additional query to filter events
*
* @return int Number of events
*/
public function count_events($start, $end = null, $filter_query = null)
{
// convert to DateTime for comparisons
try {
$start = new DateTime('@'.$start);
}
catch (Exception $e) {
$start = new DateTime('@0');
}
if ($end) {
try {
$end = new DateTime('@'.$end);
}
catch (Exception $e) {
$end = null;
}
}
// query Kolab storage
$query[] = ['dtend', '>=', $start];
if ($end) {
$query[] = ['dtstart', '<=', $end];
}
// add query to exclude pending/declined invitations
if (empty($filter_query)) {
foreach ($this->cal->get_user_emails() as $email) {
$query[] = ['tags', '!=', 'x-partstat:' . $email . ':needs-action'];
$query[] = ['tags', '!=', 'x-partstat:' . $email . ':declined'];
}
}
else if (is_array($filter_query)) {
$query = array_merge($query, $filter_query);
}
return $this->storage->count($query);
}
/**
* Create a new event record
*
* @see calendar_driver::new_event()
*
* @return array|false The created record ID on success, False on error
*/
public function insert_event($event)
{
if (!is_array($event)) {
return false;
}
// email links are stored separately
// $links = !empty($event['links']) ? $event['links'] : [];
// unset($event['links']);
// generate new event from RC input
$object = $this->_from_driver_event($event);
$saved = $this->storage->save($object, 'event');
if (!$saved) {
rcube::raise_error([
'code' => 600, 'file' => __FILE__, 'line' => __LINE__,
'message' => "Error saving event object to DAV server"
],
true, false
);
return false;
}
// save links in configuration.relation object
// if ($this->save_links($event['uid'], $links)) {
// $object['links'] = $links;
// }
$this->events = [$event['uid'] => $this->_to_driver_event($object, true)];
return true;
}
/**
* Update a specific event record
*
* @return bool True on success, False on error
*/
public function update_event($event, $exception_id = null)
{
$updated = false;
$old = $this->storage->get_object(!empty($event['uid']) ? $event['uid'] : $event['id']);
if (!$old || PEAR::isError($old)) {
return false;
}
// email links are stored separately
// $links = !empty($event['links']) ? $event['links'] : [];
// unset($event['links']);
$object = $this->_from_driver_event($event, $old);
$object['created'] = $old['created'] ?? null;
$saved = $this->storage->save($object, 'event', $old['uid']);
if (!$saved) {
rcube::raise_error([
'code' => 600, 'file' => __FILE__, 'line' => __LINE__,
'message' => "Error saving event object to CalDAV server"
],
true, false
);
}
else {
// save links in configuration.relation object
// if ($this->save_links($event['uid'], $links)) {
// $object['links'] = $links;
// }
$updated = true;
$this->events = [$event['uid'] => $this->_to_driver_event($object, true)];
// refresh local cache with recurring instances
if ($exception_id) {
$this->get_recurring_events($object, $event['start'], $event['end'], $exception_id);
}
}
return $updated;
}
/**
* Delete an event record
*
* @see calendar_driver::remove_event()
*
* @return bool True on success, False on error
*/
public function delete_event($event, $force = true)
{
$uid = !empty($event['uid']) ? $event['uid'] : $event['id'];
$deleted = $this->storage->delete($uid, $force);
if (!$deleted) {
rcube::raise_error([
'code' => 600, 'file' => __FILE__, 'line' => __LINE__,
'message' => "Error deleting event '{$uid}' from CalDAV server"
],
true, false
);
}
return $deleted;
}
/**
* Restore deleted event record
*
* @see calendar_driver::undelete_event()
*
* @return bool True on success, False on error
*/
public function restore_event($event)
{
// TODO
return false;
}
/**
* Find messages linked with an event
*/
protected function get_links($uid)
{
return []; // TODO
$storage = kolab_storage_config::get_instance();
return $storage->get_object_links($uid);
}
/**
* Save message references (links) to an event
*/
protected function save_links($uid, $links)
{
return false; // TODO
$storage = kolab_storage_config::get_instance();
return $storage->save_object_links($uid, (array) $links);
}
/**
* Create instances of a recurring event
*
* @param array $event Hash array with event properties
* @param DateTime $start Start date of the recurrence window
* @param DateTime $end End date of the recurrence window
* @param string $event_id ID of a specific recurring event instance
* @param int $limit Max. number of instances to return
*
* @return array List of recurring event instances
*/
public function get_recurring_events($event, $start, $end = null, $event_id = null, $limit = null)
{
// determine a reasonable end date if none given
if (!$end) {
$end = clone $event['start'];
$end->add(new DateInterval('P100Y'));
}
// read recurrence exceptions first
$events = [];
$exdata = [];
$futuredata = [];
$recurrence_id_format = libcalendaring::recurrence_id_format($event);
if (!empty($event['recurrence'])) {
// copy the recurrence rule from the master event (to be used in the UI)
$recurrence_rule = $event['recurrence'];
unset($recurrence_rule['EXCEPTIONS'], $recurrence_rule['EXDATE']);
if (!empty($event['recurrence']['EXCEPTIONS'])) {
foreach ($event['recurrence']['EXCEPTIONS'] as $exception) {
if (empty($exception['_instance'])) {
$exception['_instance'] = libcalendaring::recurrence_instance_identifier($exception, !empty($event['allday']));
}
$rec_event = $this->_to_driver_event($exception, false, false, $event);
$rec_event['id'] = $event['uid'] . '-' . $exception['_instance'];
$rec_event['isexception'] = 1;
// found the specifically requested instance: register exception (single occurrence wins)
if (
$rec_event['id'] == $event_id
&& (empty($this->events[$event_id]) || !empty($this->events[$event_id]['thisandfuture']))
) {
$rec_event['recurrence'] = $recurrence_rule;
$rec_event['recurrence_id'] = $event['uid'];
$this->events[$rec_event['id']] = $rec_event;
}
// remember this exception's date
$exdate = substr($exception['_instance'], 0, 8);
if (empty($exdata[$exdate]) || !empty($exdata[$exdate]['thisandfuture'])) {
$exdata[$exdate] = $rec_event;
}
if (!empty($rec_event['thisandfuture'])) {
$futuredata[$exdate] = $rec_event;
}
}
}
}
// found the specifically requested instance, exiting...
if ($event_id && !empty($this->events[$event_id])) {
return [$this->events[$event_id]];
}
// Check first occurrence, it might have been moved
if (!empty($exdata[$event['start']->format('Ymd')])) {
$first = $exdata[$event['start']->format('Ymd')];
// return it only if not already in the result, but in the requested period
if (!($event['start'] <= $end && $event['end'] >= $start)
&& ($first['start'] <= $end && $first['end'] >= $start)
) {
$events[] = $first;
}
}
if ($limit && count($events) >= $limit) {
return $events;
}
// use libcalendaring to compute recurring events
$recurrence = libcalendaring::get_recurrence($event);
$i = 0;
while ($next_event = $recurrence->next_instance()) {
$datestr = $next_event['start']->format('Ymd');
$instance_id = $next_event['start']->format($recurrence_id_format);
// use this event data for future recurring instances
$overlay_data = $futuredata[$datestr] ?? null;
$rec_id = $event['uid'] . '-' . $instance_id;
$exception = !empty($exdata[$datestr]) ? $exdata[$datestr] : $overlay_data;
$event_start = $next_event['start'];
$event_end = $next_event['end'];
// copy some event from exception to get proper start/end dates
if ($exception) {
$event_copy = $next_event;
caldav_driver::merge_exception_dates($event_copy, $exception);
$event_start = $event_copy['start'];
$event_end = $event_copy['end'];
}
// add to output if in range
if (($event_start <= $end && $event_end >= $start) || ($event_id && $rec_id == $event_id)) {
$rec_event = $this->_to_driver_event($next_event, false, false, $event);
$rec_event['_instance'] = $instance_id;
$rec_event['_count'] = $i + 1;
if ($exception) {
// copy data from exception
caldav_driver::merge_exception_data($rec_event, $exception);
}
$rec_event['id'] = $rec_id;
$rec_event['recurrence_id'] = $event['uid'];
$rec_event['recurrence'] = $recurrence_rule;
unset($rec_event['_attendees']);
$events[] = $rec_event;
if ($rec_id == $event_id) {
$this->events[$rec_id] = $rec_event;
break;
}
if ($limit && count($events) >= $limit) {
return $events;
}
}
else if ($next_event['start'] > $end) {
// stop loop if out of range
break;
}
// avoid endless recursion loops
if (++$i > 100000) {
break;
}
}
return $events;
}
/**
* Convert from storage format to internal representation
*/
private function _to_driver_event($record, $noinst = false, $links = true, $master_event = null)
{
$record['calendar'] = $this->id;
// remove (possibly outdated) cached parameters
unset($record['_folder_id'], $record['className']);
// if ($links && !array_key_exists('links', $record)) {
// $record['links'] = $this->get_links($record['uid']);
// }
$ns = $this->get_namespace();
if ($ns == 'other') {
$record['className'] = 'fc-event-ns-other';
}
if ($ns == 'other' || !$this->cal->rc->config->get('kolab_invitation_calendars')) {
$record = caldav_driver::add_partstat_class($record, ['NEEDS-ACTION', 'DECLINED'], $this->get_owner());
// Modify invitation status class name, when invitation calendars are disabled
// we'll use opacity only for declined/needs-action events
$record['className'] = !empty($record['className']) ? str_replace('-invitation', '', $record['className']) : '';
}
// add instance identifier to first occurrence (master event)
$recurrence_id_format = libcalendaring::recurrence_id_format($master_event ? $master_event : $record);
if (!$noinst && !empty($record['recurrence']) && !empty($record['start'])
&& empty($record['recurrence_id']) && empty($record['_instance'])
) {
$record['_instance'] = $record['start']->format($recurrence_id_format);
}
else if (isset($record['recurrence_date']) && $record['recurrence_date'] instanceof DateTimeInterface) {
$record['_instance'] = $record['recurrence_date']->format($recurrence_id_format);
}
// clean up exception data
if (!empty($record['recurrence']) && !empty($record['recurrence']['EXCEPTIONS'])) {
array_walk($record['recurrence']['EXCEPTIONS'], function(&$exception) {
unset($exception['_attachments']);
});
}
return $record;
}
/**
* Convert the given event record into a data structure that can be passed to the storage backend for saving
* (opposite of self::_to_driver_event())
*/
private function _from_driver_event($event, $old = [])
{
// set current user as ORGANIZER
if ($identity = $this->cal->rc->user->list_emails(true)) {
$event['attendees'] = !empty($event['attendees']) ? $event['attendees'] : [];
$found = false;
// there can be only resources on attendees list (T1484)
// let's check the existence of an organizer
foreach ($event['attendees'] as $attendee) {
if (!empty($attendee['role']) && $attendee['role'] == 'ORGANIZER') {
$found = true;
break;
}
}
if (!$found) {
$event['attendees'][] = ['role' => 'ORGANIZER', 'name' => $identity['name'], 'email' => $identity['email']];
}
$event['_owner'] = $identity['email'];
}
// remove EXDATE values if RDATE is given
if (!empty($event['recurrence']['RDATE'])) {
$event['recurrence']['EXDATE'] = [];
}
// remove recurrence information (e.g. EXDATES and EXCEPTIONS) entirely
if (!empty($event['recurrence']) && empty($event['recurrence']['FREQ']) && empty($event['recurrence']['RDATE'])) {
$event['recurrence'] = [];
}
// keep 'comment' from initial itip invitation
if (!empty($old['comment'])) {
$event['comment'] = $old['comment'];
}
// remove some internal properties which should not be cached
$cleanup_fn = function(&$event) {
unset($event['_savemode'], $event['_fromcalendar'], $event['_identity'], $event['_folder_id'],
$event['calendar'], $event['className'], $event['recurrence_id'],
$event['attachments'], $event['deleted_attachments']);
};
$cleanup_fn($event);
// clean up exception data
if (!empty($event['exceptions'])) {
array_walk($event['exceptions'], $cleanup_fn);
}
// copy meta data (starting with _) from old object
foreach ((array) $old as $key => $val) {
if (!isset($event[$key]) && $key[0] == '_') {
$event[$key] = $val;
}
}
return $event;
}
/**
* Match the given word in the event contents
*/
public function fulltext_match($event, $word, $recursive = true)
{
$hits = 0;
foreach ($this->search_fields as $col) {
if (empty($event[$col])) {
continue;
}
$sval = is_array($event[$col]) ? self::_complex2string($event[$col]) : $event[$col];
if (empty($sval)) {
continue;
}
// do a simple substring matching (to be improved)
$val = mb_strtolower($sval);
if (strpos($val, $word) !== false) {
$hits++;
break;
}
}
return $hits;
}
/**
* Convert a complex event attribute to a string value
*/
private static function _complex2string($prop)
{
static $ignorekeys = ['role', 'status', 'rsvp'];
$out = '';
if (is_array($prop)) {
foreach ($prop as $key => $val) {
if (is_numeric($key)) {
$out .= self::_complex2string($val);
}
else if (!in_array($key, $ignorekeys)) {
$out .= $val . ' ';
}
}
}
else if (is_string($prop) || is_numeric($prop)) {
$out .= $prop . ' ';
}
return rtrim($out);
}
}
diff --git a/plugins/calendar/drivers/kolab/kolab_driver.php b/plugins/calendar/drivers/kolab/kolab_driver.php
index e8aaf1c0..da6502c1 100644
--- a/plugins/calendar/drivers/kolab/kolab_driver.php
+++ b/plugins/calendar/drivers/kolab/kolab_driver.php
@@ -1,2666 +1,2666 @@
<?php
/**
* Kolab driver for the Calendar plugin
*
* @version @package_version@
* @author Thomas Bruederli <bruederli@kolabsys.com>
* @author Aleksander Machniak <machniak@kolabsys.com>
*
* Copyright (C) 2012-2015, Kolab Systems AG <contact@kolabsys.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
class kolab_driver extends calendar_driver
{
const INVITATIONS_CALENDAR_PENDING = '--invitation--pending';
const INVITATIONS_CALENDAR_DECLINED = '--invitation--declined';
// features this backend supports
public $alarms = true;
public $attendees = true;
public $freebusy = true;
public $attachments = true;
public $undelete = true;
public $alarm_types = ['DISPLAY', 'AUDIO'];
public $categoriesimmutable = true;
protected $rc;
protected $cal;
protected $calendars;
protected $storage;
protected $has_writeable = false;
protected $freebusy_trigger = false;
protected $bonnie_api = false;
/**
* Default constructor
*/
public function __construct($cal)
{
$cal->require_plugin('libkolab');
// load helper classes *after* libkolab has been loaded (#3248)
require_once(__DIR__ . '/kolab_calendar.php');
require_once(__DIR__ . '/kolab_user_calendar.php');
require_once(__DIR__ . '/kolab_invitation_calendar.php');
$this->cal = $cal;
$this->rc = $cal->rc;
$this->storage = new kolab_storage();
$this->cal->register_action('push-freebusy', [$this, 'push_freebusy']);
$this->cal->register_action('calendar-acl', [$this, 'calendar_acl']);
$this->freebusy_trigger = $this->rc->config->get('calendar_freebusy_trigger', false);
if (!$this->rc->config->get('kolab_freebusy_server', false)) {
$this->freebusy = false;
}
if (kolab_storage::$version == '2.0') {
$this->alarm_types = ['DISPLAY'];
$this->alarm_absolute = false;
}
// get configuration for the Bonnie API
$this->bonnie_api = libkolab::get_bonnie_api();
// calendar uses fully encoded identifiers
kolab_storage::$encode_ids = true;
}
/**
* Read available calendars from server
*/
protected function _read_calendars()
{
// already read sources
if (isset($this->calendars)) {
return $this->calendars;
}
// get all folders that have "event" type, sorted by namespace/name
$folders = $this->storage->sort_folders(
$this->storage->get_folders('event') + kolab_storage::get_user_folders('event', true)
);
$this->calendars = [];
foreach ($folders as $folder) {
$calendar = $this->_to_calendar($folder);
if ($calendar->ready) {
$this->calendars[$calendar->id] = $calendar;
if ($calendar->editable) {
$this->has_writeable = true;
}
}
}
return $this->calendars;
}
/**
* Convert kolab_storage_folder into kolab_calendar
*/
protected function _to_calendar($folder)
{
if ($folder instanceof kolab_calendar) {
return $folder;
}
if ($folder instanceof kolab_storage_folder_user) {
$calendar = new kolab_user_calendar($folder, $this->cal);
$calendar->subscriptions = count($folder->children) > 0;
}
else {
$calendar = new kolab_calendar($folder->name, $this->cal);
}
return $calendar;
}
/**
* Get a list of available calendars from this source
*
* @param int $filter Bitmask defining filter criterias
* @param object $tree Reference to hierarchical folder tree object
*
* @return array List of calendars
*/
public function list_calendars($filter = 0, &$tree = null)
{
$this->_read_calendars();
// attempt to create a default calendar for this user
if (!$this->has_writeable) {
if ($this->create_calendar(['name' => 'Calendar', 'color' => 'cc0000'])) {
unset($this->calendars);
$this->_read_calendars();
}
}
$delim = $this->rc->get_storage()->get_hierarchy_delimiter();
$folders = $this->filter_calendars($filter);
$calendars = [];
// include virtual folders for a full folder tree
if (!is_null($tree)) {
$folders = $this->storage->folder_hierarchy($folders, $tree);
}
$parents = array_keys($this->calendars);
foreach ($folders as $id => $cal) {
$imap_path = explode($delim, $cal->name);
// find parent
do {
array_pop($imap_path);
$parent_id = $this->storage->folder_id(join($delim, $imap_path));
}
while (count($imap_path) > 1 && !in_array($parent_id, $parents));
// restore "real" parent ID
if ($parent_id && !in_array($parent_id, $parents)) {
$parent_id = $this->storage->folder_id($cal->get_parent());
}
$parents[] = $cal->id;
if (!empty($cal->virtual)) {
$calendars[$cal->id] = [
'id' => $cal->id,
'name' => $cal->get_name(),
'listname' => $cal->get_foldername(),
'editname' => $cal->get_foldername(),
'virtual' => true,
'editable' => false,
'group' => $cal->get_namespace(),
];
}
else {
// additional folders may come from kolab_storage::folder_hierarchy() above
// make sure we deal with kolab_calendar instances
$cal = $this->_to_calendar($cal);
$this->calendars[$cal->id] = $cal;
$is_user = ($cal instanceof kolab_user_calendar);
$calendars[$cal->id] = [
'id' => $cal->id,
'name' => $cal->get_name(),
'listname' => $cal->get_foldername(),
'editname' => $cal->get_foldername(),
'title' => $cal->get_title(),
'color' => $cal->get_color(),
'editable' => $cal->editable,
'group' => $is_user ? 'other user' : $cal->get_namespace(),
'active' => $cal->is_active(),
'owner' => $cal->get_owner(),
'removable' => !$cal->default,
];
if (!$is_user) {
$calendars[$cal->id] += [
'default' => $cal->default,
'rights' => $cal->rights,
'showalarms' => $cal->alarms,
'history' => !empty($this->bonnie_api),
'children' => true, // TODO: determine if that folder indeed has child folders
'parent' => $parent_id,
'subtype' => $cal->subtype,
'caldavurl' => $cal->get_caldav_url(),
];
}
}
if ($cal->subscriptions) {
$calendars[$cal->id]['subscribed'] = $cal->is_subscribed();
}
}
// list virtual calendars showing invitations
if ($this->rc->config->get('kolab_invitation_calendars') && !($filter & self::FILTER_INSERTABLE)) {
foreach ([self::INVITATIONS_CALENDAR_PENDING, self::INVITATIONS_CALENDAR_DECLINED] as $id) {
$cal = new kolab_invitation_calendar($id, $this->cal);
if (!($filter & self::FILTER_ACTIVE) || $cal->is_active()) {
$calendars[$id] = [
'id' => $cal->id,
'name' => $cal->get_name(),
'listname' => $cal->get_name(),
'editname' => $cal->get_foldername(),
'title' => $cal->get_title(),
'color' => $cal->get_color(),
'editable' => $cal->editable,
'rights' => $cal->rights,
'showalarms' => $cal->alarms,
'history' => !empty($this->bonnie_api),
'group' => 'x-invitations',
'default' => false,
'active' => $cal->is_active(),
'owner' => $cal->get_owner(),
'children' => false,
'counts' => $id == self::INVITATIONS_CALENDAR_PENDING,
];
if (is_object($tree)) {
$tree->children[] = $cal;
}
}
}
}
// append the virtual birthdays calendar
if ($this->rc->config->get('calendar_contact_birthdays', false) && !($filter & self::FILTER_INSERTABLE)) {
$id = self::BIRTHDAY_CALENDAR_ID;
$prefs = $this->rc->config->get('kolab_calendars', []); // read local prefs
if (!($filter & self::FILTER_ACTIVE) || !empty($prefs[$id]['active'])) {
$calendars[$id] = [
'id' => $id,
'name' => $this->cal->gettext('birthdays'),
'listname' => $this->cal->gettext('birthdays'),
'color' => !empty($prefs[$id]['color']) ? $prefs[$id]['color'] : '87CEFA',
'active' => !empty($prefs[$id]['active']),
'showalarms' => (bool) $this->rc->config->get('calendar_birthdays_alarm_type'),
'group' => 'x-birthdays',
'editable' => false,
'default' => false,
'children' => false,
'history' => false,
];
}
}
return $calendars;
}
/**
* Get list of calendars according to specified filters
*
* @param int Bitmask defining restrictions. See FILTER_* constants for possible values.
*
* @return array List of calendars
*/
protected function filter_calendars($filter)
{
$this->_read_calendars();
$calendars = [];
$plugin = $this->rc->plugins->exec_hook('calendar_list_filter', [
'list' => $this->calendars,
'calendars' => $calendars,
'filter' => $filter,
]);
if ($plugin['abort']) {
return $plugin['calendars'];
}
$personal = $filter & self::FILTER_PERSONAL;
$shared = $filter & self::FILTER_SHARED;
foreach ($this->calendars as $cal) {
if (!$cal->ready) {
continue;
}
if (($filter & self::FILTER_WRITEABLE) && !$cal->editable) {
continue;
}
if (($filter & self::FILTER_INSERTABLE) && !$cal->editable) {
continue;
}
if (($filter & self::FILTER_ACTIVE) && !$cal->is_active()) {
continue;
}
if (($filter & self::FILTER_PRIVATE) && $cal->subtype != 'private') {
continue;
}
if (($filter & self::FILTER_CONFIDENTIAL) && $cal->subtype != 'confidential') {
continue;
}
if ($personal || $shared) {
$ns = $cal->get_namespace();
if (!(($personal && $ns == 'personal') || ($shared && $ns == 'shared'))) {
continue;
}
}
$calendars[$cal->id] = $cal;
}
return $calendars;
}
/**
* Get the kolab_calendar instance for the given calendar ID
*
* @param string Calendar identifier (encoded imap folder name)
*
* @return kolab_calendar Object nor null if calendar doesn't exist
*/
public function get_calendar($id)
{
$this->_read_calendars();
// create calendar object if necesary
if (empty($this->calendars[$id])) {
if (in_array($id, [self::INVITATIONS_CALENDAR_PENDING, self::INVITATIONS_CALENDAR_DECLINED])) {
return new kolab_invitation_calendar($id, $this->cal);
}
// for unsubscribed calendar folders
if ($id !== self::BIRTHDAY_CALENDAR_ID) {
$calendar = kolab_calendar::factory($id, $this->cal);
if ($calendar->ready) {
$this->calendars[$calendar->id] = $calendar;
}
}
}
return !empty($this->calendars[$id]) ? $this->calendars[$id] : null;
}
/**
* Create a new calendar assigned to the current user
*
* @param array Hash array with calendar properties
* name: Calendar name
* color: The color of the calendar
*
* @return mixed ID of the calendar on success, False on error
*/
public function create_calendar($prop)
{
$prop['type'] = 'event';
$prop['active'] = true;
$prop['subscribed'] = true;
$folder = $this->storage->folder_update($prop);
if ($folder === false) {
$this->last_error = $this->cal->gettext($this->storage->last_error);
return false;
}
// create ID
$id = $this->storage->folder_id($folder);
// save color in user prefs (temp. solution)
$prefs['kolab_calendars'] = $this->rc->config->get('kolab_calendars', []);
if (isset($prop['color'])) {
$prefs['kolab_calendars'][$id]['color'] = $prop['color'];
}
if (isset($prop['showalarms'])) {
$prefs['kolab_calendars'][$id]['showalarms'] = !empty($prop['showalarms']);
}
if (!empty($prefs['kolab_calendars'][$id])) {
$this->rc->user->save_prefs($prefs);
}
return $id;
}
/**
* Update properties of an existing calendar
*
* @see calendar_driver::edit_calendar()
*/
public function edit_calendar($prop)
{
if (!empty($prop['id']) && ($cal = $this->get_calendar($prop['id']))) {
$id = $cal->update($prop);
}
else {
$id = $prop['id'];
}
// fallback to local prefs
$prefs['kolab_calendars'] = $this->rc->config->get('kolab_calendars', []);
unset($prefs['kolab_calendars'][$prop['id']]['color'], $prefs['kolab_calendars'][$prop['id']]['showalarms']);
if (isset($prop['color'])) {
$prefs['kolab_calendars'][$id]['color'] = $prop['color'];
}
if (isset($prop['showalarms']) && $id == self::BIRTHDAY_CALENDAR_ID) {
$prefs['calendar_birthdays_alarm_type'] = $prop['showalarms'] ? $this->alarm_types[0] : '';
}
else if (isset($prop['showalarms'])) {
$prefs['kolab_calendars'][$id]['showalarms'] = !empty($prop['showalarms']);
}
if (!empty($prefs['kolab_calendars'][$id])) {
$this->rc->user->save_prefs($prefs);
}
return true;
}
/**
* Set active/subscribed state of a calendar
*
* @see calendar_driver::subscribe_calendar()
*/
public function subscribe_calendar($prop)
{
if (!empty($prop['id']) && ($cal = $this->get_calendar($prop['id'])) && !empty($cal->storage)) {
$ret = false;
if (isset($prop['permanent'])) {
$ret |= $cal->storage->subscribe(intval($prop['permanent']));
}
if (isset($prop['active'])) {
$ret |= $cal->storage->activate(intval($prop['active']));
}
// apply to child folders, too
if (!empty($prop['recursive'])) {
foreach ((array) $this->storage->list_folders($cal->storage->name, '*', 'event') as $subfolder) {
if (isset($prop['permanent'])) {
if ($prop['permanent']) {
$this->storage->folder_subscribe($subfolder);
}
else {
$this->storage->folder_unsubscribe($subfolder);
}
}
if (isset($prop['active'])) {
if ($prop['active']) {
$this->storage->folder_activate($subfolder);
}
else {
$this->storage->folder_deactivate($subfolder);
}
}
}
}
return $ret;
}
else {
// save state in local prefs
$prefs['kolab_calendars'] = $this->rc->config->get('kolab_calendars', []);
$prefs['kolab_calendars'][$prop['id']]['active'] = !empty($prop['active']);
$this->rc->user->save_prefs($prefs);
return true;
}
return false;
}
/**
* Delete the given calendar with all its contents
*
* @see calendar_driver::delete_calendar()
*/
public function delete_calendar($prop)
{
if (!empty($prop['id']) && ($cal = $this->get_calendar($prop['id']))) {
$folder = $cal->get_realname();
// TODO: unsubscribe if no admin rights
if ($this->storage->folder_delete($folder)) {
// remove color in user prefs (temp. solution)
$prefs['kolab_calendars'] = $this->rc->config->get('kolab_calendars', []);
unset($prefs['kolab_calendars'][$prop['id']]);
$this->rc->user->save_prefs($prefs);
return true;
}
else {
$this->last_error = $this->storage->last_error;
}
}
return false;
}
/**
* Search for shared or otherwise not listed calendars the user has access
*
* @param string Search string
* @param string Section/source to search
*
* @return array List of calendars
*/
public function search_calendars($query, $source)
{
if (!$this->storage->setup()) {
return [];
}
$this->calendars = [];
$this->search_more_results = false;
// find unsubscribed IMAP folders that have "event" type
if ($source == 'folders') {
foreach ((array) $this->storage->search_folders('event', $query, ['other']) as $folder) {
$calendar = new kolab_calendar($folder->name, $this->cal);
$this->calendars[$calendar->id] = $calendar;
}
}
// find other user's virtual calendars
else if ($source == 'users') {
// we have slightly more space, so display twice the number
$limit = $this->rc->config->get('autocomplete_max', 15) * 2;
foreach ($this->storage->search_users($query, 0, [], $limit, $count) as $user) {
$calendar = new kolab_user_calendar($user, $this->cal);
$this->calendars[$calendar->id] = $calendar;
// search for calendar folders shared by this user
foreach ($this->storage->list_user_folders($user, 'event', false) as $foldername) {
$cal = new kolab_calendar($foldername, $this->cal);
$this->calendars[$cal->id] = $cal;
$calendar->subscriptions = true;
}
}
if ($count > $limit) {
$this->search_more_results = true;
}
}
// don't list the birthday calendar
$this->rc->config->set('calendar_contact_birthdays', false);
$this->rc->config->set('kolab_invitation_calendars', false);
return $this->list_calendars();
}
/**
* Fetch a single event
*
* @see calendar_driver::get_event()
* @return array Hash array with event properties, false if not found
*/
public function get_event($event, $scope = 0, $full = false)
{
if (is_array($event)) {
$id = !empty($event['id']) ? $event['id'] : $event['uid'];
- $cal = $event['calendar'];
+ $cal = $event['calendar'] ?? null;
// we're looking for a recurring instance: expand the ID to our internal convention for recurring instances
if (empty($event['id']) && !empty($event['_instance'])) {
$id .= '-' . $event['_instance'];
}
}
else {
$id = $event;
}
if (!empty($cal)) {
if ($storage = $this->get_calendar($cal)) {
$result = $storage->get_event($id);
return self::to_rcube_event($result);
}
// get event from the address books birthday calendar
if ($cal == self::BIRTHDAY_CALENDAR_ID) {
return $this->get_birthday_event($id);
}
}
// iterate over all calendar folders and search for the event ID
else {
foreach ($this->filter_calendars($scope) as $calendar) {
if ($result = $calendar->get_event($id)) {
return self::to_rcube_event($result);
}
}
}
return false;
}
/**
* Add a single event to the database
*
* @see calendar_driver::new_event()
*/
public function new_event($event)
{
if (!$this->validate($event)) {
return false;
}
$event = self::from_rcube_event($event);
if (!$event['calendar']) {
$this->_read_calendars();
$cal_ids = array_keys($this->calendars);
$event['calendar'] = reset($cal_ids);
}
if ($storage = $this->get_calendar($event['calendar'])) {
// if this is a recurrence instance, append as exception to an already existing object for this UID
if (!empty($event['recurrence_date']) && ($master = $storage->get_event($event['uid']))) {
self::add_exception($master, $event);
$success = $storage->update_event($master);
}
else {
$success = $storage->insert_event($event);
}
if ($success && $this->freebusy_trigger) {
$this->rc->output->command('plugin.ping_url', ['action' => 'calendar/push-freebusy', 'source' => $storage->id]);
$this->freebusy_trigger = false; // disable after first execution (#2355)
}
return $success;
}
return false;
}
/**
* Update an event entry with the given data
*
* @see calendar_driver::new_event()
* @return bool True on success, False on error
*/
public function edit_event($event)
{
if (!($storage = $this->get_calendar($event['calendar']))) {
return false;
}
return $this->update_event(self::from_rcube_event($event, $storage->get_event($event['id'])));
}
/**
* Extended event editing with possible changes to the argument
*
* @param array Hash array with event properties
* @param string New participant status
* @param array List of hash arrays with updated attendees
*
* @return bool True on success, False on error
*/
public function edit_rsvp(&$event, $status, $attendees)
{
$update_event = $event;
// apply changes to master (and all exceptions)
if ($event['_savemode'] == 'all' && !empty($event['recurrence_id'])) {
if ($storage = $this->get_calendar($event['calendar'])) {
$update_event = $storage->get_event($event['recurrence_id']);
$update_event['_savemode'] = $event['_savemode'];
$update_event['id'] = $update_event['uid'];
unset($update_event['recurrence_id']);
calendar::merge_attendee_data($update_event, $attendees);
}
}
if ($ret = $this->update_attendees($update_event, $attendees)) {
// replace with master event (for iTip reply)
$event = self::to_rcube_event($update_event);
// re-assign to the according (virtual) calendar
if ($this->rc->config->get('kolab_invitation_calendars')) {
if (strtoupper($status) == 'DECLINED') {
$event['calendar'] = self::INVITATIONS_CALENDAR_DECLINED;
}
else if (strtoupper($status) == 'NEEDS-ACTION') {
$event['calendar'] = self::INVITATIONS_CALENDAR_PENDING;
}
else if (!empty($event['_folder_id'])) {
$event['calendar'] = $event['_folder_id'];
}
}
}
return $ret;
}
/**
* Update the participant status for the given attendees
*
* @see calendar_driver::update_attendees()
*/
public function update_attendees(&$event, $attendees)
{
// for this-and-future updates, merge the updated attendees onto all exceptions in range
if (
($event['_savemode'] == 'future' && !empty($event['recurrence_id']))
|| (!empty($event['recurrence']) && empty($event['recurrence_id']))
) {
if (!($storage = $this->get_calendar($event['calendar']))) {
return false;
}
// load master event
$master = !empty($event['recurrence_id']) ? $storage->get_event($event['recurrence_id']) : $event;
// apply attendee update to each existing exception
if (!empty($master['recurrence']) && !empty($master['recurrence']['EXCEPTIONS'])) {
$saved = false;
foreach ($master['recurrence']['EXCEPTIONS'] as $i => $exception) {
// merge the new event properties onto future exceptions
if ($exception['_instance'] >= strval($event['_instance'])) {
calendar::merge_attendee_data($master['recurrence']['EXCEPTIONS'][$i], $attendees);
}
// update a specific instance
if ($exception['_instance'] == $event['_instance'] && $exception['thisandfuture']) {
$saved = true;
}
}
// add the given event as new exception
if (!$saved && $event['id'] != $master['id']) {
$event['thisandfuture'] = true;
$master['recurrence']['EXCEPTIONS'][] = $event;
}
// set link to top-level exceptions
$master['exceptions'] = &$master['recurrence']['EXCEPTIONS'];
return $this->update_event($master);
}
}
// just update the given event (instance)
return $this->update_event($event);
}
/**
* Move a single event
*
* @see calendar_driver::move_event()
* @return boolean True on success, False on error
*/
public function move_event($event)
{
if (($storage = $this->get_calendar($event['calendar'])) && ($ev = $storage->get_event($event['id']))) {
unset($ev['sequence']);
self::clear_attandee_noreply($ev);
return $this->update_event($event + $ev);
}
return false;
}
/**
* Resize a single event
*
* @see calendar_driver::resize_event()
* @return boolean True on success, False on error
*/
public function resize_event($event)
{
if (($storage = $this->get_calendar($event['calendar'])) && ($ev = $storage->get_event($event['id']))) {
unset($ev['sequence']);
self::clear_attandee_noreply($ev);
return $this->update_event($event + $ev);
}
return false;
}
/**
* Remove a single event
*
* @param array Hash array with event properties:
* id: Event identifier
* @param bool Remove record(s) irreversible (mark as deleted otherwise)
*
* @return bool True on success, False on error
*/
public function remove_event($event, $force = true)
{
$ret = true;
$success = false;
$savemode = $event['_savemode'] ?? null;
if (!$force) {
unset($event['attendees']);
$this->rc->session->remove('calendar_event_undo');
$this->rc->session->remove('calendar_restore_event_data');
$sess_data = $event;
}
if (($storage = $this->get_calendar($event['calendar'])) && ($event = $storage->get_event($event['id']))) {
$event['_savemode'] = $savemode;
$decline = !empty($event['_decline']);
$savemode = 'all';
$master = $event;
// read master if deleting a recurring event
if (!empty($event['recurrence']) || !empty($event['recurrence_id']) || !empty($event['isexception'])) {
$master = $storage->get_event($event['uid']);
if (!empty($event['_savemode'])) {
$savemode = $event['_savemode'];
}
else if (!empty($event['_instance']) || !empty($event['isexception'])) {
$savemode = 'current';
}
// force 'current' mode for single occurrences stored as exception
if (empty($event['recurrence']) && empty($event['recurrence_id']) && !empty($event['isexception'])) {
$savemode = 'current';
}
}
// removing an exception instance
if ((!empty($event['recurrence_id']) || !empty($event['isexception'])) && !empty($master['exceptions'])) {
foreach ($master['exceptions'] as $i => $exception) {
if (libcalendaring::is_recurrence_exception($event, $exception)) {
unset($master['exceptions'][$i]);
// set event date back to the actual occurrence
if (!empty($exception['recurrence_date'])) {
$event['start'] = $exception['recurrence_date'];
}
}
}
if (!empty($master['recurrence'])) {
$master['recurrence']['EXCEPTIONS'] = &$master['exceptions'];
}
}
switch ($savemode) {
case 'current':
$_SESSION['calendar_restore_event_data'] = $master;
// remove the matching RDATE entry
if (!empty($master['recurrence']['RDATE'])) {
foreach ($master['recurrence']['RDATE'] as $j => $rdate) {
if ($rdate->format('Ymd') == $event['start']->format('Ymd')) {
unset($master['recurrence']['RDATE'][$j]);
break;
}
}
}
// add exception to master event
$master['recurrence']['EXDATE'][] = $event['start'];
$success = $storage->update_event($master);
break;
case 'future':
$master['_instance'] = libcalendaring::recurrence_instance_identifier($master);
if ($master['_instance'] != $event['_instance']) {
$_SESSION['calendar_restore_event_data'] = $master;
// set until-date on master event
$master['recurrence']['UNTIL'] = clone $event['start'];
$master['recurrence']['UNTIL']->sub(new DateInterval('P1D'));
unset($master['recurrence']['COUNT']);
// if all future instances are deleted, remove recurrence rule entirely (bug #1677)
if ($master['recurrence']['UNTIL']->format('Ymd') == $master['start']->format('Ymd')) {
$master['recurrence'] = [];
}
// remove matching RDATE entries
else if (!empty($master['recurrence']['RDATE'])) {
foreach ($master['recurrence']['RDATE'] as $j => $rdate) {
if ($rdate->format('Ymd') == $event['start']->format('Ymd')) {
$master['recurrence']['RDATE'] = array_slice($master['recurrence']['RDATE'], 0, $j);
break;
}
}
}
$success = $storage->update_event($master);
$ret = $master['uid'];
break;
}
default: // 'all' is default
// removing the master event with loose exceptions (not recurring though)
if (!empty($event['recurrence_date']) && empty($master['recurrence']) && !empty($master['exceptions'])) {
// make the first exception the new master
$newmaster = array_shift($master['exceptions']);
$newmaster['exceptions'] = $master['exceptions'];
$newmaster['_attachments'] = $master['_attachments'];
$newmaster['_mailbox'] = $master['_mailbox'];
$newmaster['_msguid'] = $master['_msguid'];
$success = $storage->update_event($newmaster);
}
else if ($decline && $this->rc->config->get('kolab_invitation_calendars')) {
// don't delete but set PARTSTAT=DECLINED
if ($this->cal->lib->set_partstat($master, 'DECLINED')) {
$success = $storage->update_event($master);
}
}
if (!$success) {
$success = $storage->delete_event($master, $force);
}
break;
}
}
if ($success && !$force) {
if (!empty($master['_folder_id'])) {
$sess_data['_folder_id'] = $master['_folder_id'];
}
$_SESSION['calendar_event_undo'] = ['ts' => time(), 'data' => $sess_data];
}
if ($success && $this->freebusy_trigger) {
$this->rc->output->command('plugin.ping_url', [
'action' => 'calendar/push-freebusy',
// _folder_id may be set by invitations calendar
'source' => !empty($master['_folder_id']) ? $master['_folder_id'] : $storage->id,
]);
}
return $success ? $ret : false;
}
/**
* Restore a single deleted event
*
* @param array Hash array with event properties:
* id: Event identifier
* calendar: Event calendar
*
* @return bool True on success, False on error
*/
public function restore_event($event)
{
if ($storage = $this->get_calendar($event['calendar'])) {
if (!empty($_SESSION['calendar_restore_event_data'])) {
$success = $storage->update_event($event = $_SESSION['calendar_restore_event_data']);
}
else {
$success = $storage->restore_event($event);
}
if ($success && $this->freebusy_trigger) {
$this->rc->output->command('plugin.ping_url', [
'action' => 'calendar/push-freebusy',
// _folder_id may be set by invitations calendar
'source' => !empty($event['_folder_id']) ? $event['_folder_id'] : $storage->id,
]);
}
return $success;
}
return false;
}
/**
* Wrapper to update an event object depending on the given savemode
*/
protected function update_event($event)
{
if (!($storage = $this->get_calendar($event['calendar']))) {
return false;
}
// move event to another folder/calendar
if (!empty($event['_fromcalendar']) && $event['_fromcalendar'] != $event['calendar']) {
if (!($fromcalendar = $this->get_calendar($event['_fromcalendar']))) {
return false;
}
$old = $fromcalendar->get_event($event['id']);
if ($event['_savemode'] != 'new') {
if (!$fromcalendar->storage->move($old['uid'], $storage->storage)) {
return false;
}
$fromcalendar = $storage;
}
}
else {
$fromcalendar = $storage;
}
$success = false;
$savemode = 'all';
$old = $master = $storage->get_event($event['id']);
if (!$old || empty($old['start'])) {
rcube::raise_error([
'code' => 600, 'file' => __FILE__, 'line' => __LINE__,
'message' => "Failed to load event object to update: id=" . $event['id']
],
true, false
);
return false;
}
// modify a recurring event, check submitted savemode to do the right things
if (!empty($old['recurrence']) || !empty($old['recurrence_id']) || !empty($old['isexception'])) {
$master = $storage->get_event($old['uid']);
if (!empty($event['_savemode'])) {
$savemode = $event['_savemode'];
}
else {
$savemode = (!empty($old['recurrence_id']) || !empty($old['isexception'])) ? 'current' : 'all';
}
// this-and-future on the first instance equals to 'all'
if ($savemode == 'future' && !empty($master['start'])
&& $old['_instance'] == libcalendaring::recurrence_instance_identifier($master)
) {
$savemode = 'all';
}
// force 'current' mode for single occurrences stored as exception
else if (empty($old['recurrence']) && empty($old['recurrence_id']) && !empty($old['isexception'])) {
$savemode = 'current';
}
// Stick to the master timezone for all occurrences (Bifrost#T104637)
if (empty($master['allday']) || !empty($event['allday'])) {
$master_tz = $master['start']->getTimezone();
$event_tz = $event['start']->getTimezone();
if ($master_tz->getName() != $event_tz->getName()) {
$event['start']->setTimezone($master_tz);
$event['end']->setTimezone($master_tz);
}
}
}
// check if update affects scheduling and update attendee status accordingly
$reschedule = $this->check_scheduling($event, $old, true);
// keep saved exceptions (not submitted by the client)
if (!empty($old['recurrence']['EXDATE']) && !isset($event['recurrence']['EXDATE'])) {
$event['recurrence']['EXDATE'] = $old['recurrence']['EXDATE'];
}
if (isset($event['recurrence']['EXCEPTIONS'])) {
// exceptions already provided (e.g. from iCal import)
$with_exceptions = true;
}
else if (!empty($old['recurrence']['EXCEPTIONS'])) {
$event['recurrence']['EXCEPTIONS'] = $old['recurrence']['EXCEPTIONS'];
}
else if (!empty($old['exceptions'])) {
$event['exceptions'] = $old['exceptions'];
}
// remove some internal properties which should not be saved
unset($event['_savemode'], $event['_fromcalendar'], $event['_identity'], $event['_owner'],
$event['_notify'], $event['_method'], $event['_sender'], $event['_sender_utf'], $event['_size']
);
switch ($savemode) {
case 'new':
// save submitted data as new (non-recurring) event
$event['recurrence'] = [];
$event['_copyfrom'] = $master['_msguid'];
$event['_mailbox'] = $master['_mailbox'];
$event['uid'] = $this->cal->generate_uid();
unset($event['recurrence_id'], $event['recurrence_date'], $event['_instance'], $event['id']);
// copy attachment metadata to new event
$event = self::from_rcube_event($event, $master);
self::clear_attandee_noreply($event);
if ($success = $storage->insert_event($event)) {
$success = $event['uid'];
}
break;
case 'future':
// create a new recurring event
$event['_copyfrom'] = $master['_msguid'];
$event['_mailbox'] = $master['_mailbox'];
$event['uid'] = $this->cal->generate_uid();
unset($event['recurrence_id'], $event['recurrence_date'], $event['_instance'], $event['id']);
// copy attachment metadata to new event
$event = self::from_rcube_event($event, $master);
// remove recurrence exceptions on re-scheduling
if ($reschedule) {
unset($event['recurrence']['EXCEPTIONS'], $event['exceptions'], $master['recurrence']['EXDATE']);
}
else {
if (isset($event['recurrence']['EXCEPTIONS']) && is_array($event['recurrence']['EXCEPTIONS'])) {
// only keep relevant exceptions
$event['recurrence']['EXCEPTIONS'] = array_filter(
$event['recurrence']['EXCEPTIONS'],
function($exception) use ($event) {
return $exception['start'] > $event['start'];
}
);
// set link to top-level exceptions
$event['exceptions'] = &$event['recurrence']['EXCEPTIONS'];
}
if (isset($event['recurrence']['EXDATE']) && is_array($event['recurrence']['EXDATE'])) {
$event['recurrence']['EXDATE'] = array_filter(
$event['recurrence']['EXDATE'],
function($exdate) use ($event) {
return $exdate > $event['start'];
}
);
}
}
// compute remaining occurrences
if ($event['recurrence']['COUNT']) {
if (empty($old['_count'])) {
$old['_count'] = $this->get_recurrence_count($master, $old['start']);
}
$event['recurrence']['COUNT'] -= intval($old['_count']);
}
// remove fixed weekday when date changed
if ($old['start']->format('Y-m-d') != $event['start']->format('Y-m-d')) {
if (!empty($event['recurrence']['BYDAY']) && strlen($event['recurrence']['BYDAY']) == 2) {
unset($event['recurrence']['BYDAY']);
}
if (!empty($old['recurrence']['BYMONTH']) && $old['recurrence']['BYMONTH'] == $old['start']->format('n')) {
unset($event['recurrence']['BYMONTH']);
}
}
// set until-date on master event
$master['recurrence']['UNTIL'] = clone $old['start'];
$master['recurrence']['UNTIL']->sub(new DateInterval('P1D'));
unset($master['recurrence']['COUNT']);
// remove all exceptions after $event['start']
if (isset($master['recurrence']['EXCEPTIONS']) && is_array($master['recurrence']['EXCEPTIONS'])) {
$master['recurrence']['EXCEPTIONS'] = array_filter(
$master['recurrence']['EXCEPTIONS'],
function($exception) use ($event) {
return $exception['start'] < $event['start'];
}
);
// set link to top-level exceptions
$master['exceptions'] = &$master['recurrence']['EXCEPTIONS'];
}
if (isset($master['recurrence']['EXDATE']) && is_array($master['recurrence']['EXDATE'])) {
$master['recurrence']['EXDATE'] = array_filter(
$master['recurrence']['EXDATE'],
function($exdate) use ($event) {
return $exdate < $event['start'];
}
);
}
// save new event
if ($success = $storage->insert_event($event)) {
$success = $event['uid'];
// update master event (no rescheduling!)
self::clear_attandee_noreply($master);
$storage->update_event($master);
}
break;
case 'current':
// recurring instances shall not store recurrence rules and attachments
$event['recurrence'] = [];
$event['thisandfuture'] = $savemode == 'future';
unset($event['attachments'], $event['id']);
// increment sequence of this instance if scheduling is affected
if ($reschedule) {
$event['sequence'] = max($old['sequence'] ?? 0, $master['sequence'] ?? 0) + 1;
}
else if (!isset($event['sequence'])) {
$event['sequence'] = !empty($old['sequence']) ? $old['sequence'] : $master['sequence'] ?? 1;
}
// save properties to a recurrence exception instance
if (!empty($old['_instance']) && isset($master['recurrence']['EXCEPTIONS'])) {
if ($this->update_recurrence_exceptions($master, $event, $old, $savemode)) {
$success = $storage->update_event($master, $old['id']);
break;
}
}
$add_exception = true;
// adjust matching RDATE entry if dates changed
if (
!empty($master['recurrence']['RDATE'])
&& ($old_date = $old['start']->format('Ymd')) != $event['start']->format('Ymd')
) {
foreach ($master['recurrence']['RDATE'] as $j => $rdate) {
if ($rdate->format('Ymd') == $old_date) {
$master['recurrence']['RDATE'][$j] = $event['start'];
sort($master['recurrence']['RDATE']);
$add_exception = false;
break;
}
}
}
// save as new exception to master event
if ($add_exception) {
self::add_exception($master, $event, $old);
}
$success = $storage->update_event($master);
break;
default: // 'all' is the default
$event['id'] = $master['uid'];
$event['uid'] = $master['uid'];
// use start date from master but try to be smart on time or duration changes
$old_start_date = $old['start']->format('Y-m-d');
$old_start_time = !empty($old['allday']) ? '' : $old['start']->format('H:i');
$old_duration = self::event_duration($old['start'], $old['end'], !empty($old['allday']));
$new_start_date = $event['start']->format('Y-m-d');
$new_start_time = !empty($event['allday']) ? '' : $event['start']->format('H:i');
$new_duration = self::event_duration($event['start'], $event['end'], !empty($event['allday']));
$diff = $old_start_date != $new_start_date || $old_start_time != $new_start_time || $old_duration != $new_duration;
$date_shift = $old['start']->diff($event['start']);
// shifted or resized
if ($diff && ($old_start_date == $new_start_date || $old_duration == $new_duration)) {
$event['start'] = $master['start']->add($date_shift);
$event['end'] = clone $event['start'];
$event['end']->add(new DateInterval($new_duration));
// remove fixed weekday, will be re-set to the new weekday in kolab_calendar::update_event()
if ($old_start_date != $new_start_date && !empty($event['recurrence'])) {
if (!empty($event['recurrence']['BYDAY']) && strlen($event['recurrence']['BYDAY']) == 2)
unset($event['recurrence']['BYDAY']);
if (!empty($old['recurrence']['BYMONTH']) && $old['recurrence']['BYMONTH'] == $old['start']->format('n'))
unset($event['recurrence']['BYMONTH']);
}
}
// dates did not change, use the ones from master
else if ($new_start_date . $new_start_time == $old_start_date . $old_start_time) {
$event['start'] = $master['start'];
$event['end'] = $master['end'];
}
// when saving an instance in 'all' mode, copy recurrence exceptions over
if (!empty($old['recurrence_id'])) {
$event['recurrence']['EXCEPTIONS'] = $master['recurrence']['EXCEPTIONS'] ?? [];
$event['recurrence']['EXDATE'] = $master['recurrence']['EXDATE'] ?? [];
}
else if (!empty($master['_instance'])) {
$event['_instance'] = $master['_instance'];
$event['recurrence_date'] = $master['recurrence_date'];
}
// TODO: forward changes to exceptions (which do not yet have differing values stored)
if (!empty($event['recurrence']) && !empty($event['recurrence']['EXCEPTIONS']) && empty($with_exceptions)) {
// determine added and removed attendees
$old_attendees = $current_attendees = $added_attendees = [];
if (!empty($old['attendees'])) {
foreach ((array) $old['attendees'] as $attendee) {
$old_attendees[] = $attendee['email'];
}
}
if (!empty($event['attendees'])) {
foreach ((array) $event['attendees'] as $attendee) {
$current_attendees[] = $attendee['email'];
if (!in_array($attendee['email'], $old_attendees)) {
$added_attendees[] = $attendee;
}
}
}
$removed_attendees = array_diff($old_attendees, $current_attendees);
foreach ($event['recurrence']['EXCEPTIONS'] as $i => $exception) {
calendar::merge_attendee_data($event['recurrence']['EXCEPTIONS'][$i], $added_attendees, $removed_attendees);
}
// adjust recurrence-id when start changed and therefore the entire recurrence chain changes
if ($old_start_date != $new_start_date || $old_start_time != $new_start_time) {
$recurrence_id_format = libcalendaring::recurrence_id_format($event);
foreach ($event['recurrence']['EXCEPTIONS'] as $i => $exception) {
if (isset($exception['recurrence_date']) && $exception['recurrence_date'] instanceof DateTimeInterface) {
$recurrence_id = $exception['recurrence_date'];
}
else {
$recurrence_id = rcube_utils::anytodatetime($exception['_instance'], $old['start']->getTimezone());
}
if ($recurrence_id instanceof DateTimeInterface) {
$recurrence_id->add($date_shift);
$event['recurrence']['EXCEPTIONS'][$i]['recurrence_date'] = $recurrence_id;
$event['recurrence']['EXCEPTIONS'][$i]['_instance'] = $recurrence_id->format($recurrence_id_format);
}
}
}
// set link to top-level exceptions
$event['exceptions'] = &$event['recurrence']['EXCEPTIONS'];
}
// unset _dateonly flags in (cached) date objects
unset($event['start']->_dateonly, $event['end']->_dateonly);
$success = $storage->update_event($event) ? $event['id'] : false; // return master UID
break;
}
if ($success && $this->freebusy_trigger) {
$this->rc->output->command('plugin.ping_url', [
'action' => 'calendar/push-freebusy',
'source' => $storage->id
]);
}
return $success;
}
/**
* Calculate event duration, returns string in DateInterval format
*/
protected static function event_duration($start, $end, $allday = false)
{
if ($allday) {
$diff = $start->diff($end);
return 'P' . $diff->days . 'D';
}
return 'PT' . ($end->format('U') - $start->format('U')) . 'S';
}
/**
* Determine whether the current change affects scheduling and reset attendee status accordingly
*/
protected function check_scheduling(&$event, $old, $update = true)
{
// skip this check when importing iCal/iTip events
if (isset($event['sequence']) || !empty($event['_method'])) {
return false;
}
// iterate through the list of properties considered 'significant' for scheduling
$kolab_event = !empty($old['_formatobj']) ? $old['_formatobj'] : new kolab_format_event();
$reschedule = $kolab_event->check_rescheduling($event, $old);
// reset all attendee status to needs-action (#4360)
if ($update && $reschedule && !empty($event['attendees'])) {
$is_organizer = false;
$emails = $this->cal->get_user_emails();
$attendees = $event['attendees'];
foreach ($attendees as $i => $attendee) {
if ($attendee['role'] == 'ORGANIZER'
&& !empty($attendee['email'])
&& in_array(strtolower($attendee['email']), $emails)
) {
$is_organizer = true;
}
else if ($attendee['role'] != 'ORGANIZER'
&& $attendee['role'] != 'NON-PARTICIPANT'
&& $attendee['status'] != 'DELEGATED'
) {
$attendees[$i]['status'] = 'NEEDS-ACTION';
$attendees[$i]['rsvp'] = true;
}
}
// update attendees only if I'm the organizer
if ($is_organizer || (!empty($event['organizer']) && in_array(strtolower($event['organizer']['email']), $emails))) {
$event['attendees'] = $attendees;
}
}
return $reschedule;
}
/**
* Apply the given changes to already existing exceptions
*/
protected function update_recurrence_exceptions(&$master, $event, $old, $savemode)
{
$saved = false;
$existing = null;
// determine added and removed attendees
$added_attendees = $removed_attendees = [];
if ($savemode == 'future') {
$old_attendees = $current_attendees = [];
if (!empty($old['attendees'])) {
foreach ((array) $old['attendees'] as $attendee) {
$old_attendees[] = $attendee['email'];
}
}
if (!empty($event['attendees'])) {
foreach ((array) $event['attendees'] as $attendee) {
$current_attendees[] = $attendee['email'];
if (!in_array($attendee['email'], $old_attendees)) {
$added_attendees[] = $attendee;
}
}
}
$removed_attendees = array_diff($old_attendees, $current_attendees);
}
foreach ($master['recurrence']['EXCEPTIONS'] as $i => $exception) {
// update a specific instance
if (libcalendaring::is_recurrence_exception($old, $exception)) {
$existing = $i;
// check savemode against existing exception mode.
// if matches, we can update this existing exception
$thisandfuture = !empty($exception['thisandfuture']);
if ($thisandfuture === ($savemode == 'future')) {
$event['_instance'] = $old['_instance'];
$event['thisandfuture'] = !empty($old['thisandfuture']);
$event['recurrence_date'] = $old['recurrence_date'];
$master['recurrence']['EXCEPTIONS'][$i] = $event;
$saved = true;
}
}
// merge the new event properties onto future exceptions
if ($savemode == 'future') {
$exception_instance = libcalendaring::recurrence_instance_identifier($exception, true);
$old_instance = libcalendaring::recurrence_instance_identifier($old, true);
if ($exception_instance >= $old_instance) {
unset($event['thisandfuture']);
self::merge_exception_data($master['recurrence']['EXCEPTIONS'][$i], $event, ['attendees']);
if (!empty($added_attendees) || !empty($removed_attendees)) {
calendar::merge_attendee_data($master['recurrence']['EXCEPTIONS'][$i], $added_attendees, $removed_attendees);
}
}
}
}
/*
// we could not update the existing exception due to savemode mismatch...
if (!$saved && isset($existing) && !empty($master['recurrence']['EXCEPTIONS'][$existing]['thisandfuture'])) {
// ... try to move the existing this-and-future exception to the next occurrence
foreach ($this->get_recurring_events($master, $existing['start']) as $candidate) {
// our old this-and-future exception is obsolete
if (!empty($candidate['thisandfuture'])) {
unset($master['recurrence']['EXCEPTIONS'][$existing]);
$saved = true;
break;
}
// this occurrence doesn't yet have an exception
else if (empty($candidate['isexception'])) {
$event['_instance'] = $candidate['_instance'];
$event['recurrence_date'] = $candidate['recurrence_date'];
$master['recurrence']['EXCEPTIONS'][$i] = $event;
$saved = true;
break;
}
}
}
*/
// set link to top-level exceptions
$master['exceptions'] = &$master['recurrence']['EXCEPTIONS'];
// returning false here will add a new exception
return $saved;
}
/**
* Add or update the given event as an exception to $master
*/
public static function add_exception(&$master, $event, $old = null)
{
if ($old) {
$event['_instance'] = $old['_instance'] ?? null;
if (empty($event['recurrence_date'])) {
$event['recurrence_date'] = !empty($old['recurrence_date']) ? $old['recurrence_date'] : $old['start'];
}
}
else if (empty($event['recurrence_date'])) {
$event['recurrence_date'] = $event['start'];
}
if (!isset($master['exceptions'])) {
if (isset($master['recurrence']['EXCEPTIONS'])) {
$master['exceptions'] = &$master['recurrence']['EXCEPTIONS'];
}
else {
$master['exceptions'] = [];
}
}
$existing = false;
foreach ($master['exceptions'] as $i => $exception) {
if (libcalendaring::is_recurrence_exception($event, $exception)) {
$master['exceptions'][$i] = $event;
$existing = true;
}
}
if (!$existing) {
$master['exceptions'][] = $event;
}
return true;
}
/**
* Remove the noreply flags from attendees
*/
public static function clear_attandee_noreply(&$event)
{
if (!empty($event['attendees'])) {
foreach ((array) $event['attendees'] as $i => $attendee) {
unset($event['attendees'][$i]['noreply']);
}
}
}
/**
* Merge certain properties from the overlay event to the base event object
*
* @param array The event object to be altered
* @param array The overlay event object to be merged over $event
* @param array List of properties not allowed to be overwritten
*/
public static function merge_exception_data(&$event, $overlay, $blacklist = null)
{
$forbidden = ['id','uid','recurrence','recurrence_date','thisandfuture','organizer','_attachments'];
if (is_array($blacklist)) {
$forbidden = array_merge($forbidden, $blacklist);
}
foreach ($overlay as $prop => $value) {
if ($prop == 'start' || $prop == 'end') {
// handled by merge_exception_dates() below
}
else if ($prop == 'thisandfuture' && $overlay['_instance'] == $event['_instance']) {
$event[$prop] = $value;
}
else if ($prop[0] != '_' && !in_array($prop, $forbidden)) {
$event[$prop] = $value;
}
}
self::merge_exception_dates($event, $overlay);
}
/**
* Merge start/end date from the overlay event to the base event object
*
* @param array The event object to be altered
* @param array The overlay event object to be merged over $event
*/
public static function merge_exception_dates(&$event, $overlay)
{
// compute date offset from the exception
if ($overlay['start'] instanceof DateTimeInterface && $overlay['recurrence_date'] instanceof DateTimeInterface) {
$date_offset = $overlay['recurrence_date']->diff($overlay['start']);
}
foreach (['start', 'end'] as $prop) {
$value = $overlay[$prop];
if (isset($event[$prop]) && $event[$prop] instanceof DateTimeInterface) {
// set date value if overlay is an exception of the current instance
if (substr($overlay['_instance'], 0, 8) == substr($event['_instance'], 0, 8)) {
$event[$prop]->setDate(intval($value->format('Y')), intval($value->format('n')), intval($value->format('j')));
}
// apply date offset
else if (!empty($date_offset)) {
$event[$prop]->add($date_offset);
}
// adjust time of the recurring event instance
$event[$prop]->setTime($value->format('G'), intval($value->format('i')), intval($value->format('s')));
}
}
}
/**
* Get events from source.
*
* @param int Event's new start (unix timestamp)
* @param int Event's new end (unix timestamp)
* @param string Search query (optional)
* @param mixed List of calendar IDs to load events from (either as array or comma-separated string)
* @param bool Include virtual events (optional)
* @param int Only list events modified since this time (unix timestamp)
*
* @return array A list of event records
*/
public function load_events($start, $end, $search = null, $calendars = null, $virtual = 1, $modifiedsince = null)
{
if ($calendars && is_string($calendars)) {
$calendars = explode(',', $calendars);
}
else if (!$calendars) {
$this->_read_calendars();
$calendars = array_keys($this->calendars);
}
$query = [];
$events = [];
$categories = [];
if ($modifiedsince) {
$query[] = ['changed', '>=', $modifiedsince];
}
foreach ($calendars as $cid) {
if ($storage = $this->get_calendar($cid)) {
$events = array_merge($events, $storage->list_events($start, $end, $search, $virtual, $query));
$categories += $storage->categories;
}
}
// add events from the address books birthday calendar
if (in_array(self::BIRTHDAY_CALENDAR_ID, $calendars)) {
$events = array_merge($events, $this->load_birthday_events($start, $end, $search, $modifiedsince));
}
// add new categories to user prefs
$old_categories = $this->rc->config->get('calendar_categories', $this->default_categories);
$newcats = array_udiff(
array_keys($categories),
array_keys($old_categories),
function($a, $b) { return strcasecmp($a, $b); }
);
if (!empty($newcats)) {
foreach ($newcats as $category) {
$old_categories[$category] = ''; // no color set yet
}
$this->rc->user->save_prefs(['calendar_categories' => $old_categories]);
}
array_walk($events, 'kolab_driver::to_rcube_event');
return $events;
}
/**
* Get number of events in the given calendar
*
* @param mixed List of calendar IDs to count events (either as array or comma-separated string)
* @param int Date range start (unix timestamp)
* @param int Date range end (unix timestamp)
*
* @return array Hash array with counts grouped by calendar ID
*/
public function count_events($calendars, $start, $end = null)
{
$counts = [];
if ($calendars && is_string($calendars)) {
$calendars = explode(',', $calendars);
}
else if (!$calendars) {
$this->_read_calendars();
$calendars = array_keys($this->calendars);
}
foreach ($calendars as $cid) {
if ($storage = $this->get_calendar($cid)) {
$counts[$cid] = $storage->count_events($start, $end);
}
}
return $counts;
}
/**
* Get a list of pending alarms to be displayed to the user
*
* @see calendar_driver::pending_alarms()
*/
public function pending_alarms($time, $calendars = null)
{
$interval = 300;
$time -= $time % 60;
$slot = $time;
$slot -= $slot % $interval;
$last = $time - max(60, $this->rc->config->get('refresh_interval', 0));
$last -= $last % $interval;
// only check for alerts once in 5 minutes
if ($last == $slot) {
return [];
}
if ($calendars && is_string($calendars)) {
$calendars = explode(',', $calendars);
}
$time = $slot + $interval;
$alarms = [];
$candidates = [];
$query = [['tags', '=', 'x-has-alarms']];
$this->_read_calendars();
foreach ($this->calendars as $cid => $calendar) {
// skip calendars with alarms disabled
if (!$calendar->alarms || ($calendars && !in_array($cid, $calendars))) {
continue;
}
foreach ($calendar->list_events($time, $time + 86400 * 365, null, 1, $query) as $e) {
// add to list if alarm is set
$alarm = libcalendaring::get_next_alarm($e);
if ($alarm && !empty($alarm['time']) && $alarm['time'] >= $last
&& in_array($alarm['action'], $this->alarm_types)
) {
$id = $alarm['id']; // use alarm-id as primary identifier
$candidates[$id] = [
'id' => $id,
'title' => $e['title'],
'location' => $e['location'],
'start' => $e['start'],
'end' => $e['end'],
'notifyat' => $alarm['time'],
'action' => $alarm['action'],
];
}
}
}
// get alarm information stored in local database
if (!empty($candidates)) {
$dbdata = [];
$alarm_ids = array_map([$this->rc->db, 'quote'], array_keys($candidates));
$result = $this->rc->db->query("SELECT *"
. " FROM " . $this->rc->db->table_name('kolab_alarms', true)
. " WHERE `alarm_id` IN (" . join(',', $alarm_ids) . ")"
. " AND `user_id` = ?",
$this->rc->user->ID
);
while ($result && ($e = $this->rc->db->fetch_assoc($result))) {
$dbdata[$e['alarm_id']] = $e;
}
foreach ($candidates as $id => $alarm) {
// skip dismissed alarms
- if ($dbdata[$id]['dismissed']) {
+ if (!empty($dbdata[$id]['dismissed'])) {
continue;
}
// snooze function may have shifted alarm time
- $notifyat = $dbdata[$id]['notifyat'] ? strtotime($dbdata[$id]['notifyat']) : $alarm['notifyat'];
+ $notifyat = !empty($dbdata[$id]['notifyat']) ? strtotime($dbdata[$id]['notifyat']) : $alarm['notifyat'];
if ($notifyat <= $time) {
$alarms[] = $alarm;
}
}
}
return $alarms;
}
/**
* Feedback after showing/sending an alarm notification
*
* @see calendar_driver::dismiss_alarm()
*/
public function dismiss_alarm($alarm_id, $snooze = 0)
{
$alarms_table = $this->rc->db->table_name('kolab_alarms', true);
// delete old alarm entry
$this->rc->db->query("DELETE FROM $alarms_table"
. " WHERE `alarm_id` = ? AND `user_id` = ?",
$alarm_id,
$this->rc->user->ID
);
// set new notifyat time or unset if not snoozed
$notifyat = $snooze > 0 ? date('Y-m-d H:i:s', time() + $snooze) : null;
$query = $this->rc->db->query("INSERT INTO $alarms_table"
. " (`alarm_id`, `user_id`, `dismissed`, `notifyat`)"
. " VALUES (?, ?, ?, ?)",
$alarm_id,
$this->rc->user->ID,
$snooze > 0 ? 0 : 1,
$notifyat
);
return $this->rc->db->affected_rows($query);
}
/**
* List attachments from the given event
*/
public function list_attachments($event)
{
if (!($storage = $this->get_calendar($event['calendar']))) {
return false;
}
$event = $storage->get_event($event['id']);
return $event['attachments'];
}
/**
* Get attachment properties
*/
public function get_attachment($id, $event)
{
if (!($storage = $this->get_calendar($event['calendar']))) {
return false;
}
// get old revision of event
if (!empty($event['rev'])) {
$event = $this->get_event_revison($event, $event['rev'], true);
}
else {
$event = $storage->get_event($event['id']);
}
if ($event) {
$attachments = isset($event['_attachments']) ? $event['_attachments'] : $event['attachments'];
foreach ((array) $attachments as $idx => $att) {
if ((isset($att['id']) && $att['id'] == $id) || (!isset($att['id']) && $idx == $id)) {
return $att;
}
}
}
}
/**
* Get attachment body
* @see calendar_driver::get_attachment_body()
*/
public function get_attachment_body($id, $event)
{
if (!($cal = $this->get_calendar($event['calendar']))) {
return false;
}
// get old revision of event
if (!empty($event['rev'])) {
if (empty($this->bonnie_api)) {
return false;
}
$cid = substr($id, 4);
// call Bonnie API and get the raw mime message
list($uid, $mailbox, $msguid) = $this->_resolve_event_identity($event);
if ($msg_raw = $this->bonnie_api->rawdata('event', $uid, $event['rev'], $mailbox, $msguid)) {
// parse the message and find the part with the matching content-id
$message = rcube_mime::parse_message($msg_raw);
foreach ((array) $message->parts as $part) {
if (!empty($part->headers['content-id']) && trim($part->headers['content-id'], '<>') == $cid) {
return $part->body;
}
}
}
return false;
}
return $cal->get_attachment_body($id, $event);
}
/**
* Build a struct representing the given message reference
*
* @see calendar_driver::get_message_reference()
*/
public function get_message_reference($uri_or_headers, $folder = null)
{
if (is_object($uri_or_headers)) {
$uri_or_headers = kolab_storage_config::get_message_uri($uri_or_headers, $folder);
}
if (is_string($uri_or_headers)) {
return kolab_storage_config::get_message_reference($uri_or_headers, 'event');
}
return false;
}
/**
* List availabale categories
* The default implementation reads them from config/user prefs
*/
public function list_categories()
{
// FIXME: complete list with categories saved in config objects (KEP:12)
return $this->rc->config->get('calendar_categories', $this->default_categories);
}
/**
* Create instances of a recurring event
*
* @param array Hash array with event properties
* @param DateTime Start date of the recurrence window
* @param DateTime End date of the recurrence window
*
* @return array List of recurring event instances
*/
public function get_recurring_events($event, $start, $end = null)
{
// load the given event data into a libkolabxml container
if (empty($event['_formatobj'])) {
$event_xml = new kolab_format_event();
$event_xml->set($event);
$event['_formatobj'] = $event_xml;
}
$this->_read_calendars();
$storage = reset($this->calendars);
return $storage->get_recurring_events($event, $start, $end);
}
/**
*
*/
protected function get_recurrence_count($event, $dtstart)
{
// load the given event data into a libkolabxml container
if (empty($event['_formatobj'])) {
$event_xml = new kolab_format_event();
$event_xml->set($event);
$event['_formatobj'] = $event_xml;
}
// use libkolab to compute recurring events
$recurrence = new kolab_date_recurrence($event['_formatobj']);
$count = 0;
while (($next_event = $recurrence->next_instance()) && $next_event['start'] <= $dtstart && $count < 1000) {
$count++;
}
return $count;
}
/**
* Fetch free/busy information from a person within the given range
*/
public function get_freebusy_list($email, $start, $end)
{
if (empty($email)/* || $end < time()*/) {
return false;
}
// map vcalendar fbtypes to internal values
$fbtypemap = [
'FREE' => calendar::FREEBUSY_FREE,
'BUSY-TENTATIVE' => calendar::FREEBUSY_TENTATIVE,
'X-OUT-OF-OFFICE' => calendar::FREEBUSY_OOF,
'OOF' => calendar::FREEBUSY_OOF
];
// ask kolab server first
try {
$request_config = [
'store_body' => true,
'follow_redirects' => true,
];
$request = libkolab::http_request($this->storage->get_freebusy_url($email), 'GET', $request_config);
$response = $request->send();
// authentication required
if ($response->getStatus() == 401) {
$request->setAuth($this->rc->user->get_username(), $this->rc->decrypt($_SESSION['password']));
$response = $request->send();
}
if ($response->getStatus() == 200) {
$fbdata = $response->getBody();
}
unset($request, $response);
}
catch (Exception $e) {
PEAR::raiseError("Error fetching free/busy information: " . $e->getMessage());
}
// get free-busy url from contacts
if (empty($fbdata)) {
$fburl = null;
foreach ((array) $this->rc->config->get('autocomplete_addressbooks', 'sql') as $book) {
$abook = $this->rc->get_address_book($book);
if ($result = $abook->search(['email'], $email, true, true, true/*, 'freebusyurl'*/)) {
while ($contact = $result->iterate()) {
if (!empty($contact['freebusyurl'])) {
$fbdata = @file_get_contents($contact['freebusyurl']);
break;
}
}
}
if (!empty($fbdata)) {
break;
}
}
}
// parse free-busy information using Horde classes
if (!empty($fbdata)) {
$ical = $this->cal->get_ical();
$ical->import($fbdata);
if ($fb = $ical->freebusy) {
$result = [];
foreach ($fb['periods'] as $tuple) {
list($from, $to, $type) = $tuple;
$result[] = [
$from->format('U'),
$to->format('U'),
isset($fbtypemap[$type]) ? $fbtypemap[$type] : calendar::FREEBUSY_BUSY
];
}
// we take 'dummy' free-busy lists as "unknown"
if (empty($result) && !empty($fb['comment']) && stripos($fb['comment'], 'dummy')) {
return false;
}
// set period from $start till the begin of the free-busy information as 'unknown'
if (!empty($fb['start']) && ($fbstart = $fb['start']->format('U')) && $start < $fbstart) {
array_unshift($result, [$start, $fbstart, calendar::FREEBUSY_UNKNOWN]);
}
// pad period till $end with status 'unknown'
if (!empty($fb['end']) && ($fbend = $fb['end']->format('U')) && $fbend < $end) {
$result[] = [$fbend, $end, calendar::FREEBUSY_UNKNOWN];
}
return $result;
}
}
return false;
}
/**
* Handler to push folder triggers when sent from client.
* Used to push free-busy changes asynchronously after updating an event
*/
public function push_freebusy()
{
// make shure triggering completes
set_time_limit(0);
ignore_user_abort(true);
$cal = rcube_utils::get_input_value('source', rcube_utils::INPUT_GPC);
if (!($cal = $this->get_calendar($cal))) {
return false;
}
// trigger updates on folder
$trigger = $cal->storage->trigger();
if (is_object($trigger) && is_a($trigger, 'PEAR_Error')) {
rcube::raise_error([
'code' => 900, 'file' => __FILE__, 'line' => __LINE__,
'message' => "Failed triggering folder. Error was " . $trigger->getMessage()
],
true, false
);
}
exit;
}
/**
* Convert from driver format to external caledar app data
*/
public static function to_rcube_event(&$record)
{
if (!is_array($record)) {
return $record;
}
$record['id'] = $record['uid'] ?? null;
if (!empty($record['_instance'])) {
$record['id'] .= '-' . $record['_instance'];
if (empty($record['recurrence_id']) && !empty($record['recurrence'])) {
$record['recurrence_id'] = $record['uid'];
}
}
// all-day events go from 12:00 - 13:00
if ($record['start'] instanceof DateTimeInterface && $record['end'] <= $record['start'] && !empty($record['allday'])) {
$record['end'] = clone $record['start'];
$record['end']->add(new DateInterval('PT1H'));
}
// translate internal '_attachments' to external 'attachments' list
if (!empty($record['_attachments'])) {
$attachments = [];
foreach ($record['_attachments'] as $key => $attachment) {
if ($attachment !== false) {
if (empty($attachment['name'])) {
$attachment['name'] = $key;
}
unset($attachment['path'], $attachment['content']);
$attachments[] = $attachment;
}
}
$record['attachments'] = $attachments;
}
if (!empty($record['attendees'])) {
foreach ((array) $record['attendees'] as $i => $attendee) {
if (isset($attendee['delegated-from']) && is_array($attendee['delegated-from'])) {
$record['attendees'][$i]['delegated-from'] = join(', ', $attendee['delegated-from']);
}
if (isset($attendee['delegated-to']) && is_array($attendee['delegated-to'])) {
$record['attendees'][$i]['delegated-to'] = join(', ', $attendee['delegated-to']);
}
}
}
// Roundcube only supports one category assignment
if (!empty($record['categories']) && is_array($record['categories'])) {
$record['categories'] = $record['categories'][0];
}
// the cancelled flag transltes into status=CANCELLED
if (!empty($record['cancelled'])) {
$record['status'] = 'CANCELLED';
}
// The web client only supports DISPLAY type of alarms
if (!empty($record['alarms'])) {
$record['alarms'] = preg_replace('/:[A-Z]+$/', ':DISPLAY', $record['alarms']);
}
// remove empty recurrence array
if (empty($record['recurrence'])) {
unset($record['recurrence']);
}
// clean up exception data
else if (!empty($record['recurrence']['EXCEPTIONS'])) {
array_walk($record['recurrence']['EXCEPTIONS'], function(&$exception) {
unset($exception['_mailbox'], $exception['_msguid'],
$exception['_formatobj'], $exception['_attachments']
);
});
}
unset($record['_mailbox'], $record['_msguid'], $record['_type'], $record['_size'],
$record['_formatobj'], $record['_attachments'], $record['exceptions'], $record['x-custom']
);
return $record;
}
/**
*
*/
public static function from_rcube_event($event, $old = [])
{
kolab_format::merge_attachments($event, $old);
return $event;
}
/**
* Set CSS class according to the event's attendde partstat
*/
public static function add_partstat_class($event, $partstats, $user = null)
{
// set classes according to PARTSTAT
if (!empty($event['attendees'])) {
$user_emails = libcalendaring::get_instance()->get_user_emails($user);
$partstat = 'UNKNOWN';
foreach ($event['attendees'] as $attendee) {
if (in_array($attendee['email'], $user_emails)) {
if (!empty($attendee['status'])) {
$partstat = $attendee['status'];
}
break;
}
}
if (in_array($partstat, $partstats)) {
- $event['className'] = trim($event['className'] . ' fc-invitation-' . strtolower($partstat));
+ $event['className'] = trim(($event['className'] ?? '') . ' fc-invitation-' . strtolower($partstat));
}
}
return $event;
}
/**
* Provide a list of revisions for the given event
*
* @param array $event Hash array with event properties
*
* @return array List of changes, each as a hash array
* @see calendar_driver::get_event_changelog()
*/
public function get_event_changelog($event)
{
if (empty($this->bonnie_api)) {
return false;
}
list($uid, $mailbox, $msguid) = $this->_resolve_event_identity($event);
$result = $this->bonnie_api->changelog('event', $uid, $mailbox, $msguid);
if (is_array($result) && $result['uid'] == $uid) {
return $result['changes'];
}
return false;
}
/**
* Get a list of property changes beteen two revisions of an event
*
* @param array $event Hash array with event properties
* @param mixed $rev1 Old Revision
* @param mixed $rev2 New Revision
*
* @return array List of property changes, each as a hash array
* @see calendar_driver::get_event_diff()
*/
public function get_event_diff($event, $rev1, $rev2)
{
if (empty($this->bonnie_api)) {
return false;
}
list($uid, $mailbox, $msguid) = $this->_resolve_event_identity($event);
// get diff for the requested recurrence instance
$instance_id = $event['id'] != $uid ? substr($event['id'], strlen($uid) + 1) : null;
// call Bonnie API
$result = $this->bonnie_api->diff('event', $uid, $rev1, $rev2, $mailbox, $msguid, $instance_id);
if (is_array($result) && $result['uid'] == $uid) {
$result['rev1'] = $rev1;
$result['rev2'] = $rev2;
$keymap = [
'dtstart' => 'start',
'dtend' => 'end',
'dstamp' => 'changed',
'summary' => 'title',
'alarm' => 'alarms',
'attendee' => 'attendees',
'attach' => 'attachments',
'rrule' => 'recurrence',
'transparency' => 'free_busy',
'lastmodified-date' => 'changed',
];
$prop_keymaps = [
'attachments' => ['fmttype' => 'mimetype', 'label' => 'name'],
'attendees' => ['partstat' => 'status'],
];
$special_changes = [];
// map kolab event properties to keys the client expects
array_walk($result['changes'], function(&$change, $i) use ($keymap, $prop_keymaps, $special_changes) {
if (array_key_exists($change['property'], $keymap)) {
$change['property'] = $keymap[$change['property']];
}
// translate free_busy values
if ($change['property'] == 'free_busy') {
$change['old'] = !empty($old['old']) ? 'free' : 'busy';
$change['new'] = !empty($old['new']) ? 'free' : 'busy';
}
// map alarms trigger value
if ($change['property'] == 'alarms') {
if (!empty($change['old']['trigger'])) {
$change['old']['trigger'] = $change['old']['trigger']['value'];
}
if (!empty($change['new']['trigger'])) {
$change['new']['trigger'] = $change['new']['trigger']['value'];
}
}
// make all property keys uppercase
if ($change['property'] == 'recurrence') {
$special_changes['recurrence'] = $i;
foreach (['old', 'new'] as $m) {
if (!empty($change[$m])) {
$props = [];
foreach ($change[$m] as $k => $v) {
$props[strtoupper($k)] = $v;
}
$change[$m] = $props;
}
}
}
// map property keys names
if (!empty($prop_keymaps[$change['property']])) {
foreach ($prop_keymaps[$change['property']] as $k => $dest) {
if (!empty($change['old']) && array_key_exists($k, $change['old'])) {
$change['old'][$dest] = $change['old'][$k];
unset($change['old'][$k]);
}
if (!empty($change['new']) && array_key_exists($k, $change['new'])) {
$change['new'][$dest] = $change['new'][$k];
unset($change['new'][$k]);
}
}
}
if ($change['property'] == 'exdate') {
$special_changes['exdate'] = $i;
}
else if ($change['property'] == 'rdate') {
$special_changes['rdate'] = $i;
}
});
// merge some recurrence changes
foreach (['exdate', 'rdate'] as $prop) {
if (array_key_exists($prop, $special_changes)) {
$exdate = $result['changes'][$special_changes[$prop]];
if (array_key_exists('recurrence', $special_changes)) {
$recurrence = &$result['changes'][$special_changes['recurrence']];
}
else {
$i = count($result['changes']);
$result['changes'][$i] = ['property' => 'recurrence', 'old' => [], 'new' => []];
$recurrence = &$result['changes'][$i]['recurrence'];
}
$key = strtoupper($prop);
$recurrence['old'][$key] = $exdate['old'];
$recurrence['new'][$key] = $exdate['new'];
unset($result['changes'][$special_changes[$prop]]);
}
}
return $result;
}
return false;
}
/**
* Return full data of a specific revision of an event
*
* @param array Hash array with event properties
* @param mixed $rev Revision number
*
* @return array Event object as hash array
* @see calendar_driver::get_event_revison()
*/
public function get_event_revison($event, $rev, $internal = false)
{
if (empty($this->bonnie_api)) {
return false;
}
$eventid = $event['id'];
$calid = $event['calendar'];
list($uid, $mailbox, $msguid) = $this->_resolve_event_identity($event);
// call Bonnie API
$result = $this->bonnie_api->get('event', $uid, $rev, $mailbox, $msguid);
if (is_array($result) && $result['uid'] == $uid && !empty($result['xml'])) {
$format = kolab_format::factory('event');
$format->load($result['xml']);
$event = $format->to_array();
$format->get_attachments($event, true);
// get the right instance from a recurring event
if ($eventid != $event['uid']) {
$instance_id = substr($eventid, strlen($event['uid']) + 1);
// check for recurrence exception first
if ($instance = $format->get_instance($instance_id)) {
$event = $instance;
}
else {
// not a exception, compute recurrence...
$event['_formatobj'] = $format;
$recurrence_date = rcube_utils::anytodatetime($instance_id, $event['start']->getTimezone());
foreach ($this->get_recurring_events($event, $event['start'], $recurrence_date) as $instance) {
if ($instance['id'] == $eventid) {
$event = $instance;
break;
}
}
}
}
if ($format->is_valid()) {
$event['calendar'] = $calid;
$event['rev'] = $result['rev'];
return $internal ? $event : self::to_rcube_event($event);
}
}
return false;
}
/**
* Command the backend to restore a certain revision of an event.
* This shall replace the current event with an older version.
*
* @param mixed $event UID string or hash array with event properties:
* id: Event identifier
* calendar: Calendar identifier
* @param mixed $rev Revision number
*
* @return bool True on success, False on failure
*/
public function restore_event_revision($event, $rev)
{
if (empty($this->bonnie_api)) {
return false;
}
list($uid, $mailbox, $msguid) = $this->_resolve_event_identity($event);
$calendar = $this->get_calendar($event['calendar']);
$success = false;
if ($calendar && $calendar->storage && $calendar->editable) {
if ($raw_msg = $this->bonnie_api->rawdata('event', $uid, $rev, $mailbox)) {
$imap = $this->rc->get_storage();
// insert $raw_msg as new message
if ($imap->save_message($calendar->storage->name, $raw_msg, null, false)) {
$success = true;
// delete old revision from imap and cache
$imap->delete_message($msguid, $calendar->storage->name);
$calendar->storage->cache->set($msguid, false);
}
}
}
return $success;
}
/**
* Helper method to resolved the given event identifier into uid and folder
*
* @return array (uid,folder,msguid) tuple
*/
protected function _resolve_event_identity($event)
{
$mailbox = $msguid = null;
if (is_array($event)) {
$uid = !empty($event['uid']) ? $event['uid'] : $event['id'];
if (($cal = $this->get_calendar($event['calendar'])) && !($cal instanceof kolab_invitation_calendar)) {
$mailbox = $cal->get_mailbox_id();
// get event object from storage in order to get the real object uid an msguid
if ($ev = $cal->get_event($event['id'])) {
$msguid = $ev['_msguid'];
$uid = $ev['uid'];
}
}
}
else {
$uid = $event;
// get event object from storage in order to get the real object uid an msguid
if ($ev = $this->get_event($event)) {
$mailbox = $ev['_mailbox'];
$msguid = $ev['_msguid'];
$uid = $ev['uid'];
}
}
return array($uid, $mailbox, $msguid);
}
/**
* Callback function to produce driver-specific calendar create/edit form
*
* @param string Request action 'form-edit|form-new'
* @param array Calendar properties (e.g. id, color)
* @param array Edit form fields
*
* @return string HTML content of the form
*/
public function calendar_form($action, $calendar, $formfields)
{
$special_calendars = [
self::BIRTHDAY_CALENDAR_ID,
self::INVITATIONS_CALENDAR_PENDING,
self::INVITATIONS_CALENDAR_DECLINED
];
// show default dialog for birthday calendar
if (in_array($calendar['id'], $special_calendars)) {
if ($calendar['id'] != self::BIRTHDAY_CALENDAR_ID) {
unset($formfields['showalarms']);
}
// General tab
$form['props'] = [
'name' => $this->rc->gettext('properties'),
'fields' => $formfields,
];
return kolab_utils::folder_form($form, '', 'calendar');
}
$this->_read_calendars();
if (!empty($calendar['id']) && ($cal = $this->calendars[$calendar['id']])) {
$folder = $cal->get_realname(); // UTF7
$color = $cal->get_color();
}
else {
$folder = '';
$color = '';
}
$hidden_fields[] = ['name' => 'oldname', 'value' => $folder];
$storage = $this->rc->get_storage();
$delim = $storage->get_hierarchy_delimiter();
$form = [];
if (strlen($folder)) {
$path_imap = explode($delim, $folder);
array_pop($path_imap); // pop off name part
$path_imap = implode($delim, $path_imap);
$options = $storage->folder_info($folder);
}
else {
$path_imap = '';
}
// General tab
$form['props'] = [
'name' => $this->rc->gettext('properties'),
'fields' => [],
];
$protected = !empty($options) && (!empty($options['norename']) || !empty($options['protected']));
// Disable folder name input
if ($protected) {
$input_name = new html_hiddenfield(['name' => 'name', 'id' => 'calendar-name']);
$formfields['name']['value'] = $this->storage->object_name($folder)
. $input_name->show($folder);
}
// calendar name (default field)
$form['props']['fields']['location'] = $formfields['name'];
if ($protected) {
// prevent user from moving folder
$hidden_fields[] = ['name' => 'parent', 'value' => $path_imap];
}
else {
$select = $this->storage->folder_selector('event', ['name' => 'parent', 'id' => 'calendar-parent'], $folder);
$form['props']['fields']['path'] = [
'id' => 'calendar-parent',
'label' => $this->cal->gettext('parentcalendar'),
'value' => $select->show(strlen($folder) ? $path_imap : ''),
];
}
// calendar color (default field)
$form['props']['fields']['color'] = $formfields['color'];
$form['props']['fields']['alarms'] = $formfields['showalarms'];
return kolab_utils::folder_form($form, $folder, 'calendar', $hidden_fields);
}
/**
* Handler for user_delete plugin hook
*/
public function user_delete($args)
{
$db = $this->rc->get_dbh();
foreach (['kolab_alarms', 'itipinvitations'] as $table) {
$db->query("DELETE FROM " . $this->rc->db->table_name($table, true)
. " WHERE `user_id` = ?", $args['user']->ID);
}
}
}
diff --git a/plugins/libcalendaring/lib/libcalendaring_itip.php b/plugins/libcalendaring/lib/libcalendaring_itip.php
index 7454703d..680d79e1 100644
--- a/plugins/libcalendaring/lib/libcalendaring_itip.php
+++ b/plugins/libcalendaring/lib/libcalendaring_itip.php
@@ -1,1049 +1,1050 @@
<?php
/**
* iTIP functions for the calendar-based Roudncube plugins
*
* Class providing functionality to manage iTIP invitations
*
* @author Thomas Bruederli <bruederli@kolabsys.com>
*
* Copyright (C) 2011-2014, Kolab Systems AG <contact@kolabsys.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
class libcalendaring_itip
{
protected $rc;
protected $lib;
protected $plugin;
protected $sender;
protected $domain;
protected $itip_send = false;
protected $rsvp_actions = array('accepted','tentative','declined','delegated');
protected $rsvp_status = array('accepted','tentative','declined','delegated');
function __construct($plugin, $domain = 'libcalendaring')
{
$this->plugin = $plugin;
$this->rc = rcube::get_instance();
$this->lib = libcalendaring::get_instance();
$this->domain = $domain;
$hook = $this->rc->plugins->exec_hook('calendar_load_itip',
array('identity' => $this->rc->user->list_emails(true)));
$this->sender = $hook['identity'];
$this->plugin->add_hook('smtp_connect', array($this, 'smtp_connect_hook'));
}
public function set_sender_email($email)
{
if (!empty($email))
$this->sender['email'] = $email;
}
public function set_rsvp_actions($actions)
{
$this->rsvp_actions = (array)$actions;
$this->rsvp_status = array_merge($this->rsvp_actions, array('delegated'));
}
public function set_rsvp_status($status)
{
$this->rsvp_status = $status;
}
/**
* Wrapper for rcube_plugin::gettext()
* Checking for a label in different domains
*
* @see rcube::gettext()
*/
public function gettext($p)
{
$label = is_array($p) ? $p['name'] : $p;
$domain = $this->domain;
if (!$this->rc->text_exists($label, $domain)) {
$domain = 'libcalendaring';
}
return $this->rc->gettext($p, $domain);
}
/**
* Send an iTip mail message
*
* @param array Event object to send
* @param string iTip method (REQUEST|REPLY|CANCEL)
* @param array Hash array with recipient data (name, email)
* @param string Mail subject
* @param string Mail body text label
* @param object Mail_mime object with message data
* @param boolean Request RSVP
* @return boolean True on success, false on failure
*/
public function send_itip_message($event, $method, $recipient, $subject, $bodytext, $message = null, $rsvp = true)
{
if (!$this->sender['name']) {
$this->sender['name'] = $this->sender['email'];
}
if (!$message) {
libcalendaring::identify_recurrence_instance($event);
$message = $this->compose_itip_message($event, $method, $rsvp);
}
$mailto = rcube_utils::idn_to_ascii($recipient['email']);
$headers = $message->headers();
$headers['To'] = format_email_recipient($mailto, $recipient['name']);
$headers['Subject'] = $this->gettext(array(
'name' => $subject,
'vars' => array(
'title' => $event['title'],
'name' => $this->sender['name'],
)
));
// compose a list of all event attendees
$attendees_list = array();
foreach ((array)$event['attendees'] as $attendee) {
$attendees_list[] = (!empty($attendee['name']) && !empty($attendee['email'])) ?
$attendee['name'] . ' <' . $attendee['email'] . '>' :
(!empty($attendee['name']) ? $attendee['name'] : $attendee['email']);
}
$recurrence_info = '';
if (!empty($event['recurrence_id'])) {
$msg = $this->gettext(!empty($event['thisandfuture']) ? 'itipmessagefutureoccurrence' : 'itipmessagesingleoccurrence');
$recurrence_info = "\n\n** $msg **";
}
else if (!empty($event['recurrence'])) {
$recurrence_info = sprintf("\n%s: %s", $this->gettext('recurring'), $this->lib->recurrence_text($event['recurrence']));
}
$mailbody = $this->gettext(array(
'name' => $bodytext,
'vars' => array(
'title' => $event['title'],
'date' => $this->lib->event_date_text($event) . $recurrence_info,
'attendees' => join(",\n ", $attendees_list),
'sender' => $this->sender['name'],
'organizer' => $this->sender['name'],
'description' => isset($event['description']) ? $event['description'] : '',
)
));
// remove redundant empty lines (e.g. when an event description is empty)
$mailbody = preg_replace('/\n{3,}/', "\n\n", $mailbody);
// if (!empty($event['comment'])) {
// $mailbody .= "\n\n" . $this->gettext('itipsendercomment') . $event['comment'];
// }
// append links for direct invitation replies
if ($method == 'REQUEST' && $rsvp
&& $this->rc->config->get('calendar_itip_smtp_server')
&& ($token = $this->store_invitation($event, $recipient['email']))
) {
$mailbody .= "\n\n" . $this->gettext(array(
'name' => 'invitationattendlinks',
'vars' => array('url' => $this->plugin->get_url(array('action' => 'attend', 't' => $token))),
));
}
else if ($method == 'CANCEL' && $event['cancelled']) {
$this->cancel_itip_invitation($event);
}
$message->headers($headers, true);
$message->setTXTBody(rcube_mime::format_flowed($mailbody, 79));
if ($this->rc->config->get('libcalendaring_itip_debug', false)) {
rcube::console('iTip ' . $method, $message->txtHeaders() . "\r\n" . $message->get());
}
// finally send the message
$this->itip_send = true;
$sent = $this->rc->deliver_message($message, $headers['X-Sender'], $mailto, $smtp_error);
$this->itip_send = false;
return $sent;
}
/**
* Plugin hook to alter SMTP authentication.
* This is used if iTip messages are to be sent from an unauthenticated session
*/
public function smtp_connect_hook($p)
{
// replace smtp auth settings if we're not in an authenticated session
if ($this->itip_send && !$this->rc->user->ID) {
foreach (array('smtp_server', 'smtp_user', 'smtp_pass') as $prop) {
$p[$prop] = $this->rc->config->get("calendar_itip_$prop", $p[$prop]);
}
}
return $p;
}
/**
* Helper function to build a Mail_mime object to send an iTip message
*
* @param array Event object to send
* @param string iTip method (REQUEST|REPLY|CANCEL)
* @param boolean Request RSVP
* @return object Mail_mime object with message data
*/
public function compose_itip_message($event, $method, $rsvp = true)
{
$from = rcube_utils::idn_to_ascii($this->sender['email']);
$from_utf = rcube_utils::idn_to_utf8($from);
$sender = format_email_recipient($from, $this->sender['name']);
// truncate list attendees down to the recipient of the iTip Reply.
// constraints for a METHOD:REPLY according to RFC 5546
if ($method == 'REPLY') {
$replying_attendee = null;
$reply_attendees = array();
foreach ($event['attendees'] as $attendee) {
if ($attendee['role'] == 'ORGANIZER') {
$reply_attendees[] = $attendee;
}
// we accept on behalf of a resource
else if (strcasecmp($attendee['email'], $event['_resource']) == 0) {
$replying_attendee = $attendee;
$replying_attendee['sent-by'] = 'mailto:' . $from_utf;
}
else if (strcasecmp($attendee['email'], $from) == 0 || strcasecmp($attendee['email'], $from_utf) == 0) {
$replying_attendee = $attendee;
if ($attendee['status'] != 'DELEGATED') {
unset($replying_attendee['rsvp']); // unset the RSVP attribute
}
}
// include attendees relevant for delegation (RFC 5546, Section 4.2.5)
else if ((!empty($attendee['delegated-to']) &&
(strcasecmp($attendee['delegated-to'], $from) == 0 || strcasecmp($attendee['delegated-to'], $from_utf) == 0)) ||
(!empty($attendee['delegated-from']) &&
(strcasecmp($attendee['delegated-from'], $from) == 0 || strcasecmp($attendee['delegated-from'], $from_utf) == 0))) {
$reply_attendees[] = $attendee;
}
}
if ($replying_attendee) {
array_unshift($reply_attendees, $replying_attendee);
$event['attendees'] = $reply_attendees;
}
if ($event['recurrence']) {
unset($event['recurrence']['EXCEPTIONS']);
}
}
// set RSVP for every attendee
else if ($method == 'REQUEST') {
foreach ($event['attendees'] as $i => $attendee) {
if (
($rsvp || !isset($attendee['rsvp']))
&& (
(empty($attendee['status']) || $attendee['status'] != 'DELEGATED')
&& $attendee['role'] != 'NON-PARTICIPANT'
)
) {
$event['attendees'][$i]['rsvp']= (bool) $rsvp;
}
}
}
else if ($method == 'CANCEL') {
if ($event['recurrence']) {
unset($event['recurrence']['EXCEPTIONS']);
}
}
// Set SENT-BY property if the sender is not the organizer
if ($method == 'CANCEL' || $method == 'REQUEST') {
foreach ((array)$event['attendees'] as $idx => $attendee) {
if ($attendee['role'] == 'ORGANIZER'
&& $attendee['email']
&& strcasecmp($attendee['email'], $from) != 0
&& strcasecmp($attendee['email'], $from_utf) != 0
) {
$attendee['sent-by'] = 'mailto:' . $from_utf;
$event['organizer'] = $event['attendees'][$idx] = $attendee;
break;
}
}
}
// compose multipart message using PEAR:Mail_Mime
$message = new Mail_mime("\r\n");
$message->setParam('text_encoding', 'quoted-printable');
$message->setParam('head_encoding', 'quoted-printable');
$message->setParam('head_charset', RCUBE_CHARSET);
$message->setParam('text_charset', RCUBE_CHARSET . ";\r\n format=flowed");
$message->setContentType('multipart/alternative');
// compose common headers array
$headers = array(
'From' => $sender,
'Date' => $this->rc->user_date(),
'Message-ID' => $this->rc->gen_message_id(),
'X-Sender' => $from,
);
if ($agent = $this->rc->config->get('useragent')) {
$headers['User-Agent'] = $agent;
}
$message->headers($headers);
// attach ics file for this event
$ical = libcalendaring::get_ical();
$ics = $ical->export(array($event), $method, false, $method == 'REQUEST' && $this->plugin->driver ? array($this->plugin->driver, 'get_attachment_body') : false);
$filename = !empty($event['_type']) && $event['_type'] == 'task' ? 'todo.ics' : 'event.ics';
$message->addAttachment($ics, 'text/calendar', $filename, false, '8bit', '', RCUBE_CHARSET . "; method=" . $method);
return $message;
}
/**
* Forward the given iTip event as delegation to another person
*
* @param array Event object to delegate
* @param mixed Delegatee as string or hash array with keys 'name' and 'mailto'
* @param boolean The delegator's RSVP flag
* @param array List with indexes of new/updated attendees
* @return boolean True on success, False on failure
*/
public function delegate_to(&$event, $delegate, $rsvp = false, &$attendees = array())
{
if (is_string($delegate)) {
$delegates = rcube_mime::decode_address_list($delegate, 1, false);
if (count($delegates) > 0) {
$delegate = reset($delegates);
}
}
$emails = $this->lib->get_user_emails();
$me = $this->rc->user->list_emails(true);
// find/create the delegate attendee
$delegate_attendee = array(
'email' => $delegate['mailto'],
'name' => $delegate['name'],
'role' => 'REQ-PARTICIPANT',
);
$delegate_index = count($event['attendees']);
foreach ($event['attendees'] as $i => $attendee) {
// set myself the DELEGATED-TO parameter
if ($attendee['email'] && in_array(strtolower($attendee['email']), $emails)) {
$event['attendees'][$i]['delegated-to'] = $delegate['mailto'];
$event['attendees'][$i]['status'] = 'DELEGATED';
$event['attendees'][$i]['role'] = 'NON-PARTICIPANT';
$event['attendees'][$i]['rsvp'] = $rsvp;
$me['email'] = $attendee['email'];
$delegate_attendee['role'] = $attendee['role'];
}
// the disired delegatee is already listed as an attendee
else if (stripos($delegate['mailto'], $attendee['email']) !== false && $attendee['role'] != 'ORGANIZER') {
$delegate_attendee = $attendee;
$delegate_index = $i;
break;
}
// TODO: remove previous delegatee (i.e. attendee that has DELEGATED-FROM == $me)
}
// set/add delegate attendee with RSVP=TRUE and DELEGATED-FROM parameter
$delegate_attendee['rsvp'] = true;
$delegate_attendee['status'] = 'NEEDS-ACTION';
$delegate_attendee['delegated-from'] = $me['email'];
$event['attendees'][$delegate_index] = $delegate_attendee;
$attendees[] = $delegate_index;
$this->set_sender_email($me['email']);
return $this->send_itip_message($event, 'REQUEST', $delegate_attendee, 'itipsubjectdelegatedto', 'itipmailbodydelegatedto');
}
/**
* Handler for calendar/itip-status requests
*/
public function get_itip_status($event, $existing = null)
{
$action = $event['rsvp'] ? 'rsvp' : '';
$status = $event['fallback'];
$latest = $rescheduled = false;
$html = '';
if (is_numeric($event['changed'])) {
$event['changed'] = new DateTime('@'.$event['changed']);
}
// check if the given itip object matches the last state
if ($existing) {
$latest = (isset($event['sequence']) && intval($existing['sequence']) == intval($event['sequence'])) ||
(!isset($event['sequence']) && $existing['changed'] && $existing['changed'] >= $event['changed']);
}
// determine action for REQUEST
if ($event['method'] == 'REQUEST') {
$html = html::div('rsvp-status', $this->gettext('acceptinvitation'));
if ($existing) {
$rsvp = $event['rsvp'];
$emails = $this->lib->get_user_emails();
foreach ($existing['attendees'] as $attendee) {
if ($attendee['email'] && in_array(strtolower($attendee['email']), $emails)) {
$status = strtoupper($attendee['status']);
break;
}
}
}
else {
$rsvp = $event['rsvp'] && $this->rc->config->get('calendar_allow_itip_uninvited', true);
}
$status_lc = strtolower($status);
if ($status_lc == 'unknown' && !$this->rc->config->get('calendar_allow_itip_uninvited', true)) {
$html = html::div('rsvp-status', $this->gettext('notanattendee'));
$action = 'import';
}
else if (in_array($status_lc, $this->rsvp_status)) {
$status_text = $this->gettext(($latest ? 'youhave' : 'youhavepreviously') . $status_lc);
if ($existing && ($existing['sequence'] > $event['sequence']
|| (!isset($event['sequence']) && $existing['changed'] && $existing['changed'] > $event['changed']))
) {
$action = ''; // nothing to do here, outdated invitation
if ($status_lc == 'needs-action') {
$status_text = $this->gettext('outdatedinvitation');
}
}
else if (!$existing && !$rsvp) {
$action = 'import';
}
else {
if ($latest) {
$diff = $this->get_itip_diff($event, $existing);
// Detect re-scheduling
// FIXME: This is probably to simplistic, or maybe we should just check
// attendee's RSVP flag in the new event?
$rescheduled = !empty($diff['start']) || !empty($diff['end']);
unset($diff['start'], $diff['end']);
}
if ($rescheduled) {
$action = 'rsvp';
$latest = false;
}
else if ($status_lc != 'needs-action') {
// check if there are any changes
if ($latest) {
$latest = empty($diff);
}
$action = !$latest ? 'update' : '';
}
}
$html = html::div('rsvp-status ' . $status_lc, $status_text);
}
}
// determine action for REPLY
else if ($event['method'] == 'REPLY') {
// check whether the sender already is an attendee
if ($existing) {
// Relax checking if that is a reply to the latest version of the event
// We accept versions with older SEQUENCE but no significant changes (Bifrost#T78144)
if (!$latest) {
$num = $got = 0;
foreach (array('start', 'end', 'due', 'allday', 'recurrence', 'location') as $key) {
if (isset($existing[$key])) {
if ($key == 'allday') {
$event[$key] = $event[$key] == 'true';
}
$value = $existing[$key] instanceof DateTimeInterface ? $existing[$key]->format('c') : $existing[$key];
$num++;
$got += intval($value == $event[$key]);
}
}
$latest = $num === $got;
}
$action = $this->rc->config->get('calendar_allow_itip_uninvited', true) ? 'accept' : '';
$listed = false;
foreach ($existing['attendees'] as $attendee) {
if ($attendee['role'] != 'ORGANIZER' && strcasecmp($attendee['email'], $event['attendee']) == 0) {
$status_lc = strtolower($status);
if (in_array($status_lc, $this->rsvp_status)) {
$html = html::div('rsvp-status ' . $status_lc, $this->gettext(array(
'name' => 'attendee' . $status_lc,
'vars' => array(
'delegatedto' => rcube::Q($event['delegated-to'] ?: ($attendee['delegated-to'] ?: '?')),
)
)));
}
$action = $attendee['status'] == $status || !$latest ? '' : 'update';
$listed = true;
break;
}
}
if (!$listed) {
$html = html::div('rsvp-status', $this->gettext('itipnewattendee'));
}
}
else {
$html = html::div('rsvp-status hint', $this->gettext('itipobjectnotfound'));
$action = '';
}
}
else if ($event['method'] == 'CANCEL') {
if (!$existing) {
$html = html::div('rsvp-status hint', $this->gettext('itipobjectnotfound'));
$action = '';
}
}
return array(
'uid' => $event['uid'],
'id' => asciiwords($event['uid'], true),
'existing' => $existing ? true : false,
'saved' => $existing ? true : false,
'latest' => $latest,
'status' => $status,
'action' => $action,
'rescheduled' => $rescheduled,
'html' => $html,
);
}
protected function get_itip_diff($event, $existing)
{
if (empty($event) || empty($existing) || empty($event['message_uid']) || empty($event['mime_id'])) {
return;
}
$itip = $this->lib->mail_get_itip_object($event['mbox'], $event['message_uid'], $event['mime_id'],
$event['task'] == 'calendar' ? 'event' : 'task');
if ($itip) {
// List of properties that could change without SEQUENCE bump
$attrs = array('description', 'title', 'location', 'url');
$diff = array();
foreach ($attrs as $attr) {
if (isset($itip[$attr]) && $itip[$attr] != $existing[$attr]) {
$diff[$attr] = array(
'new' => $itip[$attr],
'old' => $existing[$attr]
);
}
}
$status = array();
$itip_attendees = array();
$existing_attendees = array();
$emails = $this->lib->get_user_emails();
// Compare list of attendees (ignoring current user status)
foreach ((array) $existing['attendees'] as $idx => $attendee) {
if ($attendee['email'] && in_array(strtolower($attendee['email']), $emails)) {
$status[strtolower($attendee['email'])] = $attendee['status'];
}
- if ($attendee['role'] == 'ORGANIZER') {
+ if (!empty($attendee['role']) && $attendee['role'] == 'ORGANIZER') {
$attendee['status'] = 'ACCEPTED'; // sometimes is not set for exceptions
$existing['attendees'][$idx] = $attendee;
}
$existing_attendees[] = $attendee['email'] . (isset($attendee['name']) ? $attendee['name'] : '');
}
foreach ((array) $itip['attendees'] as $idx => $attendee) {
if (!empty($attendee['email']) && !empty($status[strtolower($attendee['email'])])) {
$attendee['status'] = $status[strtolower($attendee['email'])];
$itip['attendees'][$idx] = $attendee;
}
$itip_attendees[] = $attendee['email'] . (isset($attendee['name']) ? $attendee['name'] : '');
}
if ($itip_attendees != $existing_attendees) {
$diff['attendees'] = array(
'new' => $itip['attendees'],
'old' => $existing['attendees']
);
}
if ($existing['start'] != $itip['start']) {
$diff['start'] = array(
'new' => $itip['start'],
'old' => $existing['start'],
);
}
if ($existing['end'] != $itip['end']) {
$diff['end'] = array(
'new' => $itip['end'],
'old' => $existing['end'],
);
}
return $diff;
}
}
/**
* Build inline UI elements for iTip messages
*/
public function mail_itip_inline_ui($event, $method, $mime_id, $task, $message_date = null, $preview_url = null)
{
$buttons = array();
$dom_id = asciiwords($event['uid'], true);
$rsvp_status = 'unknown';
$rsvp_buttons = '';
// pass some metadata about the event and trigger the asynchronous status check
$changed = is_object($event['changed']) ? $event['changed'] : $message_date;
$metadata = array(
'uid' => $event['uid'],
'_instance' => isset($event['_instance']) ? $event['_instance'] : null,
'changed' => $changed ? $changed->format('U') : 0,
'sequence' => intval($event['sequence']),
'method' => $method,
'task' => $task,
'mime_id' => $mime_id,
);
// create buttons to be activated from async request checking existence of this event in local calendars
$buttons[] = html::div(array('id' => 'loading-'.$dom_id, 'class' => 'rsvp-status loading'), $this->gettext('loading'));
// on iTip REPLY we have two options:
if ($method == 'REPLY') {
$title = $this->gettext('itipreply');
$attendee = self::find_reply_attendee($event);
if ($attendee) {
$metadata['attendee'] = $attendee['email'];
$rsvp_status = strtoupper($attendee['status']);
if ($attendee['delegated-to']) {
$metadata['delegated-to'] = $attendee['delegated-to'];
}
}
// 1. update the attendee status on our copy
$update_button = html::tag('input', array(
'type' => 'button',
'class' => 'button',
'onclick' => "rcube_libcalendaring.add_from_itip_mail('" . rcube::JQ($mime_id) . "', '$task')",
'value' => $this->gettext('updateattendeestatus'),
));
// 2. accept or decline a new or delegate attendee
$accept_buttons = html::tag('input', array(
'type' => 'button',
'class' => "button accept",
'onclick' => "rcube_libcalendaring.add_from_itip_mail('" . rcube::JQ($mime_id) . "', '$task')",
'value' => $this->gettext('acceptattendee'),
));
$accept_buttons .= html::tag('input', array(
'type' => 'button',
'class' => "button decline",
'onclick' => "rcube_libcalendaring.decline_attendee_reply('" . rcube::JQ($mime_id) . "', '$task')",
'value' => $this->gettext('declineattendee'),
));
$buttons[] = html::div(array('id' => 'update-'.$dom_id, 'style' => 'display:none'), $update_button);
$buttons[] = html::div(array('id' => 'accept-'.$dom_id, 'style' => 'display:none'), $accept_buttons);
// For replies we need more metadata
foreach (array('start', 'end', 'due', 'allday', 'recurrence', 'location') as $key) {
if (isset($event[$key])) {
$metadata[$key] = $event[$key] instanceof DateTimeInterface ? $event[$key]->format('c') : $event[$key];
}
}
}
// when receiving iTip REQUEST messages:
else if ($method == 'REQUEST') {
$emails = $this->lib->get_user_emails();
$title = $event['sequence'] > 0 ? $this->gettext('itipupdate') : $this->gettext('itipinvitation');
$metadata['rsvp'] = true;
if (is_object($event['start'])) {
$metadata['date'] = $event['start']->format('U');
}
// check for X-KOLAB-INVITATIONTYPE property and only show accept/decline buttons
if (self::get_custom_property($event, 'X-KOLAB-INVITATIONTYPE') == 'CONFIRMATION') {
$this->rsvp_actions = array('accepted','declined');
$metadata['nosave'] = true;
}
// 1. display RSVP buttons (if the user was invited)
foreach ($this->rsvp_actions as $method) {
$rsvp_buttons .= html::tag('input', array(
'type' => 'button',
'class' => "button $method",
'onclick' => "rcube_libcalendaring.add_from_itip_mail('" . rcube::JQ($mime_id) . "', '$task', '$method', '$dom_id')",
'value' => $this->gettext('itip' . $method),
));
}
// add button to open calendar/preview
if (!empty($preview_url)) {
$msgref = $this->lib->ical_message->folder . '/' . $this->lib->ical_message->uid . '#' . $mime_id;
$rsvp_buttons .= html::tag('input', array(
'type' => 'button',
// TODO: Temp. disable this button on small screen in Elastic (Bifrost#T105747)
'class' => "button preview hidden-phone hidden-small",
'onclick' => "rcube_libcalendaring.open_itip_preview('" . rcube::JQ($preview_url) . "', '" . rcube::JQ($msgref) . "')",
'value' => $this->gettext('openpreview'),
));
}
// 2. update the local copy with minor changes
$update_button = html::tag('input', array(
'type' => 'button',
'class' => 'button',
'onclick' => "rcube_libcalendaring.add_from_itip_mail('" . rcube::JQ($mime_id) . "', '$task')",
'value' => $this->gettext('updatemycopy'),
));
// 3. Simply import the event without replying
$import_button = html::tag('input', array(
'type' => 'button',
'class' => 'button',
'onclick' => "rcube_libcalendaring.add_from_itip_mail('" . rcube::JQ($mime_id) . "', '$task')",
'value' => $this->gettext('importtocalendar'),
));
// check my status as an attendee
foreach ($event['attendees'] as $attendee) {
- if ($attendee['email'] && $attendee['role'] != 'ORGANIZER' && in_array(strtolower($attendee['email']), $emails)) {
+ $attendee_role = $attendee['role'] ?? '';
+ if (!empty($attendee['email']) && $attendee_role != 'ORGANIZER' && in_array(strtolower($attendee['email']), $emails)) {
$metadata['attendee'] = $attendee['email'];
- $metadata['rsvp'] = $attendee['rsvp'] || $attendee['role'] != 'NON-PARTICIPANT';
+ $metadata['rsvp'] = $attendee['rsvp'] || $attendee_role != 'NON-PARTICIPANT';
$rsvp_status = !empty($attendee['status']) ? strtoupper($attendee['status']) : 'NEEDS-ACTION';
break;
}
}
// add itip reply message controls
$rsvp_buttons .= html::div('itip-reply-controls', $this->itip_rsvp_options_ui($dom_id, !empty($metadata['nosave'])));
$buttons[] = html::div(array('id' => 'rsvp-'.$dom_id, 'class' => 'rsvp-buttons', 'style' => 'display:none'), $rsvp_buttons);
$buttons[] = html::div(array('id' => 'update-'.$dom_id, 'style' => 'display:none'), $update_button);
// prepare autocompletion for delegation dialog
if (in_array('delegated', $this->rsvp_actions)) {
$this->rc->autocomplete_init();
}
}
// for CANCEL messages, we can:
else if ($method == 'CANCEL') {
$title = $this->gettext('itipcancellation');
$event_prop = array_filter(array(
'uid' => $event['uid'],
'_instance' => isset($event['_instance']) ? $event['_instance'] : null,
'_savemode' => isset($event['_savemode']) ? $event['_savemode'] : null,
));
// 1. remove the event from our calendar
$button_remove = html::tag('input', array(
'type' => 'button',
'class' => 'button',
'onclick' => "rcube_libcalendaring.remove_from_itip(" . rcube_output::json_serialize($event_prop) . ", '$task', '" . rcube::JQ($event['title']) . "')",
'value' => $this->gettext('removefromcalendar'),
));
// 2. update our copy with status=cancelled
$button_update = html::tag('input', array(
'type' => 'button',
'class' => 'button',
'onclick' => "rcube_libcalendaring.add_from_itip_mail('" . rcube::JQ($mime_id) . "', '$task')",
'value' => $this->gettext('updatemycopy'),
));
$buttons[] = html::div(array('id' => 'rsvp-'.$dom_id, 'style' => 'display:none'), $button_remove . $button_update);
$rsvp_status = 'CANCELLED';
$metadata['rsvp'] = true;
}
// append generic import button
if (!empty($import_button)) {
$buttons[] = html::div(array('id' => 'import-'.$dom_id, 'style' => 'display:none'), $import_button);
}
// pass some metadata about the event and trigger the asynchronous status check
$metadata['fallback'] = $rsvp_status;
$metadata['rsvp'] = intval($metadata['rsvp']);
$this->rc->output->add_script("rcube_libcalendaring.fetch_itip_object_status(" . rcube_output::json_serialize($metadata) . ")", 'docready');
// get localized texts from the right domain
$output_labels = [];
$labels = ['savingdata','deleteobjectconfirm','declinedeleteconfirm','declineattendee',
'cancel','itipdelegated','declineattendeeconfirm','itipcomment','delegateinvitation',
'delegateto','delegatersvpme','delegateinvalidaddress'
];
foreach ($labels as $label) {
$output_labels["itip.$label"] = $this->gettext($label);
}
$this->rc->output->command('add_label', $output_labels);
// show event details with buttons
return $this->itip_object_details_table($event, $title) .
html::div(array('class' => 'itip-buttons', 'id' => 'itip-buttons-' . asciiwords($metadata['uid'], true)), join('', $buttons));
}
/**
* Render an RSVP UI widget with buttons to respond on iTip invitations
*/
function itip_rsvp_buttons($attrib = array(), $actions = null)
{
$attrib += array('type' => 'button');
if (!$actions) {
$actions = $this->rsvp_actions;
}
$buttons = '';
foreach ($actions as $method) {
$buttons .= html::tag('input', array(
'type' => $attrib['type'],
'name' => !empty($attrib['iname']) ? $attrib['iname'] : null,
'class' => 'button',
'rel' => $method,
'value' => $this->gettext('itip' . $method),
));
}
// add localized texts for the delegation dialog
$output_labels = [];
if (in_array('delegated', $actions)) {
$labels = ['itipdelegated','itipcomment','delegateinvitation',
'delegateto','delegatersvpme','delegateinvalidaddress','cancel'
];
foreach ($labels as $label) {
$output_labels["itip.$label"] = $this->gettext($label);
}
}
foreach (['all','current','future'] as $mode) {
$output_labels["rsvpmode$mode"] = $this->gettext("rsvpmode$mode");
}
$this->rc->output->command('add_label', $output_labels);
$savemode_radio = new html_radiobutton(array('name' => '_rsvpmode', 'class' => 'rsvp-replymode'));
return html::div($attrib,
html::div('label', $this->gettext('acceptinvitation')) .
html::div('rsvp-buttons itip-buttons',
$buttons .
html::div('itip-reply-controls', $this->itip_rsvp_options_ui($attrib['id']))
)
);
}
/**
* Render UI elements to control iTip reply message sending
*/
public function itip_rsvp_options_ui($dom_id, $disable = false)
{
$itip_sending = $this->rc->config->get('calendar_itip_send_option', 3);
// itip sending is entirely disabled
if ($itip_sending === 0) {
return '';
}
// add checkbox to suppress itip reply message
else if ($itip_sending >= 2) {
$toggle_attrib = array(
'type' => 'checkbox',
'id' => 'noreply-'.$dom_id,
'value' => 1,
'disabled' => $disable,
'checked' => ($itip_sending & 1) == 0,
'class' => 'pretty-checkbox',
);
$rsvp_additions = html::label(array('class' => 'noreply-toggle'),
html::tag('input', $toggle_attrib) . ' ' . $this->gettext('itipsuppressreply')
);
}
// add input field for reply comment
$toggle_attrib = array(
'href' => '#toggle',
'class' => 'reply-comment-toggle',
'onclick' => '$(this).hide().parent().find(\'textarea\').show().focus()'
);
$textarea_attrib = array(
'id' => 'reply-comment-' . $dom_id,
'name' => '_comment',
'cols' => 40,
'rows' => 4,
'class' => 'form-control',
'style' => 'display:none',
'placeholder' => $this->gettext('itipcomment')
);
$rsvp_additions .= html::a($toggle_attrib, $this->gettext('itipeditresponse'))
. html::div('itip-reply-comment', html::tag('textarea', $textarea_attrib, ''));
return $rsvp_additions;
}
/**
* Render event/task details in a table
*/
function itip_object_details_table($event, $title)
{
$table = new html_table(array('cols' => 2, 'border' => 0, 'class' => 'calendar-eventdetails'));
$table->add('ititle', $title);
$table->add('title', rcube::Q(trim($event['title'])));
if ($event['start'] && $event['end']) {
$table->add('label', $this->gettext('date'));
$table->add('date', rcube::Q($this->lib->event_date_text($event)));
}
else if ($event['due'] && $event['_type'] == 'task') {
$table->add('label', $this->gettext('date'));
$table->add('date', rcube::Q($this->lib->event_date_text($event)));
}
if (!empty($event['recurrence_date'])) {
$table->add('label', '');
$table->add('recurrence-id', $this->gettext($event['thisandfuture'] ? 'itipfutureoccurrence' : 'itipsingleoccurrence'));
}
else if (!empty($event['recurrence'])) {
$table->add('label', $this->gettext('recurring'));
$table->add('recurrence', $this->lib->recurrence_text($event['recurrence']));
}
if (isset($event['location']) && ($location = trim($event['location']))) {
$table->add('label', $this->gettext('location'));
$table->add('location', rcube::Q($location));
}
if (!empty($event['status']) && ($event['status'] == 'COMPLETED' || $event['status'] == 'CANCELLED')) {
$table->add('label', $this->gettext('status'));
$table->add('status', $this->gettext('status-' . strtolower($event['status'])));
}
if (isset($event['comment']) && ($comment = trim($event['comment']))) {
$table->add('label', $this->gettext('comment'));
$table->add('location', rcube::Q($comment));
}
return $table->show();
}
/**
* Create iTIP invitation token for later replies via URL
*
* @param array Hash array with event properties
* @param string Attendee email address
* @return string Invitation token
*/
public function store_invitation($event, $attendee)
{
// empty stub
return false;
}
/**
* Mark invitations for the given event as cancelled
*
* @param array Hash array with event properties
*/
public function cancel_itip_invitation($event)
{
// empty stub
return false;
}
/**
* Utility function to get the value of a custom property
*/
public static function get_custom_property($event, $name)
{
$ret = false;
if (is_array($event['x-custom'])) {
array_walk($event['x-custom'], function($prop, $i) use ($name, &$ret) {
if (strcasecmp($prop[0], $name) === 0) {
$ret = $prop[1];
}
});
}
return $ret;
}
/**
* Compare email address
*/
public static function compare_email($value, $email, $email_utf = null)
{
$v1 = !empty($email) && strcasecmp($value, $email) === 0;
$v2 = !empty($email_utf) && strcasecmp($value, $email_utf) === 0;
return $v1 || $v2;
}
/**
* Find an attendee that is not the organizer and has an email matching $email_field
*/
public function find_attendee_by_email($attendees, $email_field, $email, $email_utf = null) {
foreach ($attendees as $_attendee) {
if ($attendee['role'] == 'ORGANIZER') {
continue;
}
if (!empty($attendee[$email_field]) && self::compare_email($attendee[$email_field], $email, $email_utf)) {
return $attendee;
}
}
return null;
}
/**
* Find the replying attendee in a REPLY
*/
public static function find_reply_attendee($event) {
// remove the organizer
$itip_attendees = array_filter($event['attendees'], function($item) { return $item['role'] != 'ORGANIZER' && !empty($item['email']); });
$attendee = null;
// According to rfc there should only be one attendee for a REPLY
if (count($itip_attendees) == 1) {
return array_pop($itip_attendees);
}
// If we don't have anything to match by, pick the first and hope for the best.
if (empty($event['_sender'])) {
return array_shift($itip_attendees);
}
// try to match by sent-by
if ($attendee = self::find_attendee_by_email($itip_attendees, 'sent-by', $event['_sender'], $event['_sender_utf'])) {
return $attendee;
}
// try to match by email
if ($attendee = self::find_attendee_by_email($itip_attendees, 'email', $event['_sender'], $event['_sender_utf'])) {
return $attendee;
}
return null;
}
}
diff --git a/plugins/libcalendaring/lib/libcalendaring_vcalendar.php b/plugins/libcalendaring/lib/libcalendaring_vcalendar.php
index 2a79f36d..0d95a7db 100644
--- a/plugins/libcalendaring/lib/libcalendaring_vcalendar.php
+++ b/plugins/libcalendaring/lib/libcalendaring_vcalendar.php
@@ -1,1589 +1,1589 @@
<?php
/**
* iCalendar functions for the libcalendaring plugin
*
* @author Thomas Bruederli <bruederli@kolabsys.com>
*
* Copyright (C) 2013-2015, Kolab Systems AG <contact@kolabsys.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
use \Sabre\VObject;
use \Sabre\VObject\DateTimeParser;
/**
* Class to parse and build vCalendar (iCalendar) files
*
* Uses the Sabre VObject library, version 3.x.
- *
*/
+#[AllowDynamicProperties]
class libcalendaring_vcalendar implements Iterator
{
private $timezone;
private $attach_uri;
private $prodid;
private $type_component_map = array('event' => 'VEVENT', 'task' => 'VTODO');
private $attendee_keymap = array(
'name' => 'CN',
'status' => 'PARTSTAT',
'role' => 'ROLE',
'cutype' => 'CUTYPE',
'rsvp' => 'RSVP',
'delegated-from' => 'DELEGATED-FROM',
'delegated-to' => 'DELEGATED-TO',
'schedule-status' => 'SCHEDULE-STATUS',
'schedule-agent' => 'SCHEDULE-AGENT',
'sent-by' => 'SENT-BY',
);
private $organizer_keymap = array(
'name' => 'CN',
'schedule-status' => 'SCHEDULE-STATUS',
'schedule-agent' => 'SCHEDULE-AGENT',
'sent-by' => 'SENT-BY',
);
private $iteratorkey = 0;
private $charset;
private $forward_exceptions;
private $vhead;
private $fp;
private $vtimezones = array();
public $method;
public $agent = '';
public $objects = array();
public $freebusy = array();
/**
* Default constructor
*/
function __construct($tz = null)
{
$this->timezone = $tz;
$this->prodid = '-//Roundcube ' . RCUBE_VERSION . '//Sabre VObject ' . VObject\Version::VERSION . '//EN';
}
/**
* Setter for timezone information
*/
public function set_timezone($tz)
{
$this->timezone = $tz;
}
/**
* Setter for URI template for attachment links
*/
public function set_attach_uri($uri)
{
$this->attach_uri = $uri;
}
/**
* Setter for a custom PRODID attribute
*/
public function set_prodid($prodid)
{
$this->prodid = $prodid;
}
/**
* Setter for a user-agent string to tweak input/output accordingly
*/
public function set_agent($agent)
{
$this->agent = $agent;
}
/**
* Free resources by clearing member vars
*/
public function reset()
{
$this->vhead = '';
$this->method = '';
$this->objects = array();
$this->freebusy = array();
$this->vtimezones = array();
$this->iteratorkey = 0;
if ($this->fp) {
fclose($this->fp);
$this->fp = null;
}
}
/**
* Import events from iCalendar format
*
* @param string vCalendar input
* @param string Input charset (from envelope)
* @param bool True if parsing exceptions should be forwarded to the caller
*
* @return array List of events extracted from the input
*/
public function import($vcal, $charset = 'UTF-8', $forward_exceptions = false, $memcheck = true)
{
// TODO: convert charset to UTF-8 if other
try {
// estimate the memory usage and try to avoid fatal errors when allowed memory gets exhausted
if ($memcheck) {
$count = substr_count($vcal, 'BEGIN:VEVENT') + substr_count($vcal, 'BEGIN:VTODO');
$expected_memory = $count * 70*1024; // assume ~ 70K per event (empirically determined)
if (!rcube_utils::mem_check($expected_memory)) {
throw new Exception("iCal file too big");
}
}
$vobject = VObject\Reader::read($vcal, VObject\Reader::OPTION_FORGIVING | VObject\Reader::OPTION_IGNORE_INVALID_LINES);
if ($vobject)
return $this->import_from_vobject($vobject);
}
catch (Exception $e) {
if ($forward_exceptions) {
throw $e;
}
else {
rcube::raise_error(array(
'code' => 600, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "iCal data parse error: " . $e->getMessage()),
true, false);
}
}
return [];
}
/**
* Read iCalendar events from a file
*
* @param string File path to read from
* @param string Input charset (from envelope)
* @param bool True if parsing exceptions should be forwarded to the caller
*
* @return array List of events extracted from the file
*/
public function import_from_file($filepath, $charset = 'UTF-8', $forward_exceptions = false)
{
if ($this->fopen($filepath, $charset, $forward_exceptions)) {
while ($this->_parse_next(false)) {
// nop
}
fclose($this->fp);
$this->fp = null;
}
return $this->objects;
}
/**
* Open a file to read iCalendar events sequentially
*
* @param string File path to read from
* @param string Input charset (from envelope)
* @param boolean True if parsing exceptions should be forwarded to the caller
* @return boolean True if file contents are considered valid
*/
public function fopen($filepath, $charset = 'UTF-8', $forward_exceptions = false)
{
$this->reset();
// just to be sure...
@ini_set('auto_detect_line_endings', true);
$this->charset = $charset;
$this->forward_exceptions = $forward_exceptions;
$this->fp = fopen($filepath, 'r');
// check file content first
$begin = fread($this->fp, 1024);
if (!preg_match('/BEGIN:VCALENDAR/i', $begin)) {
return false;
}
fseek($this->fp, 0);
return $this->_parse_next();
}
/**
* Parse the next event/todo/freebusy object from the input file
*/
private function _parse_next($reset = true)
{
if ($reset) {
$this->iteratorkey = 0;
$this->objects = array();
$this->freebusy = array();
}
$next = $this->_next_component();
$buffer = $next;
// load the next component(s) too, as they could contain recurrence exceptions
while (preg_match('/(RRULE|RECURRENCE-ID)[:;]/i', $next)) {
$next = $this->_next_component();
$buffer .= $next;
}
// parse the vevent block surrounded with the vcalendar heading
if (strlen($buffer) && preg_match('/BEGIN:(VEVENT|VTODO|VFREEBUSY)/i', $buffer)) {
try {
$this->import($this->vhead . $buffer . "END:VCALENDAR", $this->charset, true, false);
}
catch (Exception $e) {
if ($this->forward_exceptions) {
throw new VObject\ParseException($e->getMessage() . " in\n" . $buffer);
}
else {
// write the failing section to error log
rcube::raise_error(array(
'code' => 600, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => $e->getMessage() . " in\n" . $buffer),
true, false);
}
// advance to next
return $this->_parse_next($reset);
}
return count($this->objects) > 0;
}
return false;
}
/**
* Helper method to read the next calendar component from the file
*/
private function _next_component()
{
$buffer = '';
$vcalendar_head = false;
while (($line = fgets($this->fp, 1024)) !== false) {
// ignore END:VCALENDAR lines
if (preg_match('/END:VCALENDAR/i', $line)) {
continue;
}
// read vcalendar header (with timezone defintion)
if (preg_match('/BEGIN:VCALENDAR/i', $line)) {
$this->vhead = '';
$vcalendar_head = true;
}
// end of VCALENDAR header part
if ($vcalendar_head && preg_match('/BEGIN:(VEVENT|VTODO|VFREEBUSY)/i', $line)) {
$vcalendar_head = false;
}
if ($vcalendar_head) {
$this->vhead .= $line;
}
else {
$buffer .= $line;
if (preg_match('/END:(VEVENT|VTODO|VFREEBUSY)/i', $line)) {
break;
}
}
}
return $buffer;
}
/**
* Import objects from an already parsed Sabre\VObject\Component object
*
* @param object Sabre\VObject\Component to read from
* @return array List of events extracted from the file
*/
public function import_from_vobject($vobject)
{
$seen = array();
$exceptions = array();
if ($vobject->name == 'VCALENDAR') {
$this->method = strval($vobject->METHOD);
$this->agent = strval($vobject->PRODID);
foreach ($vobject->getComponents() as $ve) {
if ($ve->name == 'VEVENT' || $ve->name == 'VTODO') {
// convert to hash array representation
$object = $this->_to_array($ve);
// temporarily store this as exception
if (!empty($object['recurrence_date'])) {
$exceptions[] = $object;
}
else if (empty($seen[$object['uid']])) {
$seen[$object['uid']] = true;
$this->objects[] = $object;
}
}
else if ($ve->name == 'VFREEBUSY') {
$this->objects[] = $this->_parse_freebusy($ve);
}
}
// add exceptions to the according master events
foreach ($exceptions as $exception) {
$uid = $exception['uid'];
// make this exception the master
if (empty($seen[$uid])) {
$seen[$uid] = true;
$this->objects[] = $exception;
}
else {
foreach ($this->objects as $i => $object) {
// add as exception to existing entry with a matching UID
if ($object['uid'] == $uid) {
$this->objects[$i]['exceptions'][] = $exception;
if (!empty($object['recurrence'])) {
$this->objects[$i]['recurrence']['EXCEPTIONS'] = &$this->objects[$i]['exceptions'];
}
break;
}
}
}
}
}
return $this->objects;
}
/**
* Getter for free-busy periods
*/
public function get_busy_periods()
{
$out = array();
foreach ((array)$this->freebusy['periods'] as $period) {
if ($period[2] != 'FREE') {
$out[] = $period;
}
}
return $out;
}
/**
* Helper method to determine whether the connected client is an Apple device
*/
private function is_apple()
{
return stripos($this->agent, 'Apple') !== false
|| stripos($this->agent, 'Mac OS X') !== false
|| stripos($this->agent, 'iOS/') !== false;
}
/**
* Convert the given VEvent object to a libkolab compatible array representation
*
* @param object Vevent object to convert
* @return array Hash array with object properties
*/
private function _to_array($ve)
{
$event = array(
'uid' => self::convert_string($ve->UID),
'title' => self::convert_string($ve->SUMMARY),
'_type' => $ve->name == 'VTODO' ? 'task' : 'event',
// set defaults
'priority' => 0,
'attendees' => array(),
'x-custom' => array(),
);
// Catch possible exceptions when date is invalid (Bug #2144)
// We can skip these fields, they aren't critical
foreach (array('CREATED' => 'created', 'LAST-MODIFIED' => 'changed', 'DTSTAMP' => 'changed') as $attr => $field) {
try {
if (empty($event[$field]) && !empty($ve->{$attr})) {
$event[$field] = $ve->{$attr}->getDateTime();
}
} catch (Exception $e) {}
}
// map other attributes to internal fields
foreach ($ve->children() as $prop) {
if (!($prop instanceof VObject\Property))
continue;
$value = strval($prop);
switch ($prop->name) {
case 'DTSTART':
case 'DTEND':
case 'DUE':
$propmap = array('DTSTART' => 'start', 'DTEND' => 'end', 'DUE' => 'due');
$event[$propmap[$prop->name]] = self::convert_datetime($prop);
break;
case 'TRANSP':
$event['free_busy'] = strval($prop) == 'TRANSPARENT' ? 'free' : 'busy';
break;
case 'STATUS':
if ($value == 'TENTATIVE')
$event['free_busy'] = 'tentative';
else if ($value == 'CANCELLED')
$event['cancelled'] = true;
else if ($value == 'COMPLETED')
$event['complete'] = 100;
$event['status'] = $value;
break;
case 'COMPLETED':
if (self::convert_datetime($prop)) {
$event['status'] = 'COMPLETED';
$event['complete'] = 100;
}
break;
case 'PRIORITY':
if (is_numeric($value))
$event['priority'] = $value;
break;
case 'RRULE':
$params = !empty($event['recurrence']) && is_array($event['recurrence']) ? $event['recurrence'] : array();
// parse recurrence rule attributes
foreach ($prop->getParts() as $k => $v) {
$params[strtoupper($k)] = is_array($v) ? implode(',', $v) : $v;
}
if (!empty($params['UNTIL'])) {
$params['UNTIL'] = date_create($params['UNTIL']);
}
if (empty($params['INTERVAL'])) {
$params['INTERVAL'] = 1;
}
$event['recurrence'] = array_filter($params);
break;
case 'EXDATE':
if (!empty($value)) {
$exdates = array_map(function($_) { return is_array($_) ? $_[0] : $_; }, self::convert_datetime($prop, true));
if (!empty($event['recurrence']['EXDATE'])) {
$event['recurrence']['EXDATE'] = array_merge($event['recurrence']['EXDATE'], $exdates);
}
else {
$event['recurrence']['EXDATE'] = $exdates;
}
}
break;
case 'RDATE':
if (!empty($value)) {
$rdates = array_map(function($_) { return is_array($_) ? $_[0] : $_; }, self::convert_datetime($prop, true));
if (!empty($event['recurrence']['RDATE'])) {
$event['recurrence']['RDATE'] = array_merge($event['recurrence']['RDATE'], $rdates);
}
else {
$event['recurrence']['RDATE'] = $rdates;
}
}
break;
case 'RECURRENCE-ID':
$event['recurrence_date'] = self::convert_datetime($prop);
if ($prop->offsetGet('RANGE') == 'THISANDFUTURE' || $prop->offsetGet('THISANDFUTURE') !== null) {
$event['thisandfuture'] = true;
}
break;
case 'RELATED-TO':
$reltype = $prop->offsetGet('RELTYPE');
if ($reltype == 'PARENT' || $reltype === null) {
$event['parent_id'] = $value;
}
break;
case 'SEQUENCE':
$event['sequence'] = intval($value);
break;
case 'PERCENT-COMPLETE':
$event['complete'] = intval($value);
break;
case 'LOCATION':
case 'DESCRIPTION':
case 'URL':
case 'COMMENT':
$event[strtolower($prop->name)] = self::convert_string($prop);
break;
case 'CATEGORY':
case 'CATEGORIES':
if (!empty($event['categories'])) {
$event['categories'] = array_merge((array) $event['categories'], $prop->getParts());
}
else {
$event['categories'] = $prop->getParts();
}
break;
case 'X-MICROSOFT-CDO-BUSYSTATUS':
if ($value == 'OOF') {
$event['free_busy'] = 'outofoffice';
}
else if (in_array($value, array('FREE', 'BUSY', 'TENTATIVE'))) {
$event['free_busy'] = strtolower($value);
}
break;
case 'ATTENDEE':
case 'ORGANIZER':
$params = array('RSVP' => false);
foreach ($prop->parameters() as $pname => $pvalue) {
switch ($pname) {
case 'RSVP': $params[$pname] = strtolower($pvalue) == 'true'; break;
case 'CN': $params[$pname] = self::unescape($pvalue); break;
default: $params[$pname] = strval($pvalue); break;
}
}
$attendee = self::map_keys($params, array_flip($this->attendee_keymap));
$attendee['email'] = preg_replace('!^mailto:!i', '', $value);
if ($prop->name == 'ORGANIZER') {
$attendee['role'] = 'ORGANIZER';
$attendee['status'] = 'ACCEPTED';
$event['organizer'] = $attendee;
if (array_key_exists('schedule-agent', $attendee)) {
$schedule_agent = $attendee['schedule-agent'];
}
}
else if (empty($event['organizer']) || $attendee['email'] != $event['organizer']['email']) {
$event['attendees'][] = $attendee;
}
break;
case 'ATTACH':
$params = self::parameters_array($prop);
if (substr($value, 0, 4) == 'http' && !strpos($value, ':attachment:')) {
$event['links'][] = $value;
}
else if (!empty($params['VALUE']) && strtoupper($params['VALUE']) == 'BINARY') {
$attachment = self::map_keys($params, [
'FMTTYPE' => 'mimetype',
'X-LABEL' => 'name',
'X-APPLE-FILENAME' => 'name',
'X-SIZE' => 'size'
]);
$attachment['data'] = $value ?? null;
$attachment['size'] = $attachment['size'] ?? strlen($value);
$attachment['id'] = md5(($attachment['mimetype'] ?? 'application/octet-stream') . ($attachment['name'] ?? 'noname'));
$event['attachments'][] = $attachment;
}
break;
default:
if (substr($prop->name, 0, 2) == 'X-') {
$event['x-custom'][] = [$prop->name, strval($value)];
}
break;
}
}
// check DURATION property if no end date is set
if (empty($event['end']) && $ve->DURATION) {
try {
$duration = new DateInterval(strval($ve->DURATION));
$end = clone $event['start'];
$end->add($duration);
$event['end'] = $end;
}
catch (\Exception $e) {
trigger_error(strval($e), E_USER_WARNING);
}
}
// validate event dates
if ($event['_type'] == 'event') {
$event['allday'] = !empty($event['start']->_dateonly);
// events may lack the DTEND property, set it to DTSTART (RFC5545 3.6.1)
if (empty($event['end'])) {
$event['end'] = clone $event['start'];
}
// shift end-date by one day (except Thunderbird)
else if ($event['allday'] && is_object($event['end'])) {
$event['end']->sub(new \DateInterval('PT23H'));
}
// sanity-check and fix end date
if (!empty($event['end']) && $event['end'] < $event['start']) {
$event['end'] = clone $event['start'];
}
}
// make organizer part of the attendees list for compatibility reasons
if (!empty($event['organizer']) && is_array($event['attendees']) && $event['_type'] == 'event') {
array_unshift($event['attendees'], $event['organizer']);
}
// find alarms
foreach ($ve->select('VALARM') as $valarm) {
$action = 'DISPLAY';
$trigger = null;
$alarm = array();
foreach ($valarm->children() as $prop) {
$value = strval($prop);
switch ($prop->name) {
case 'TRIGGER':
foreach ($prop->parameters as $param) {
if ($param->name == 'VALUE' && $param->getValue() == 'DATE-TIME') {
$trigger = '@' . $prop->getDateTime()->format('U');
$alarm['trigger'] = $prop->getDateTime();
}
else if ($param->name == 'RELATED') {
$alarm['related'] = $param->getValue();
}
}
if (!$trigger && ($values = libcalendaring::parse_alarm_value($value))) {
$trigger = $values[2];
}
if (empty($alarm['trigger'])) {
$alarm['trigger'] = rtrim(preg_replace('/([A-Z])0[WDHMS]/', '\\1', $value), 'T');
// if all 0-values have been stripped, assume 'at time'
if ($alarm['trigger'] == 'P') {
$alarm['trigger'] = 'PT0S';
}
}
break;
case 'ACTION':
$action = $alarm['action'] = strtoupper($value);
break;
case 'SUMMARY':
case 'DESCRIPTION':
case 'DURATION':
$alarm[strtolower($prop->name)] = self::convert_string($prop);
break;
case 'REPEAT':
$alarm['repeat'] = intval($value);
break;
case 'ATTENDEE':
$alarm['attendees'][] = preg_replace('!^mailto:!i', '', $value);
break;
case 'ATTACH':
$params = self::parameters_array($prop);
if (strlen($value) && (preg_match('/^[a-z]+:/', $value) || strtoupper($params['VALUE']) == 'URI')) {
// we only support URI-type of attachments here
$alarm['uri'] = $value;
}
break;
}
}
if ($action != 'NONE') {
// store first alarm in legacy property
if ($trigger && empty($event['alarms'])) {
$event['alarms'] = $trigger . ':' . $action;
}
if (!empty($alarm['trigger'])) {
$event['valarms'][] = $alarm;
}
}
}
// assign current timezone to event start/end
if (!empty($event['start']) && $event['start'] instanceof DateTimeInterface) {
$this->_apply_timezone($event['start']);
}
else {
unset($event['start']);
}
if (!empty($event['end']) && $event['end'] instanceof DateTimeInterface) {
$this->_apply_timezone($event['end']);
}
else {
unset($event['end']);
}
// some iTip CANCEL messages only contain the start date
if (empty($event['end']) && !empty($event['start']) && $this->method == 'CANCEL') {
$event['end'] = clone $event['start'];
}
// T2531: Remember SCHEDULE-AGENT in custom property to properly
// support event updates via CalDAV when SCHEDULE-AGENT=CLIENT is used
if (isset($schedule_agent)) {
$event['x-custom'][] = array('SCHEDULE-AGENT', $schedule_agent);
}
// minimal validation
if (empty($event['uid']) || ($event['_type'] == 'event' && empty($event['start']) != empty($event['end']))) {
throw new VObject\ParseException('Object validation failed: missing mandatory object properties');
}
return $event;
}
/**
* Apply user timezone to DateTime object
*/
private function _apply_timezone(&$date)
{
if (empty($this->timezone)) {
return;
}
// For date-only we'll keep the date and time intact
if (!empty($date->_dateonly)) {
$dt = new libcalendaring_datetime(null, $this->timezone);
$dt->setDate($date->format('Y'), $date->format('n'), $date->format('j'));
$dt->setTime($date->format('G'), $date->format('i'), 0);
$date = $dt;
}
else {
$date->setTimezone($this->timezone);
}
}
/**
* Parse the given vfreebusy component into an array representation
*/
private function _parse_freebusy($ve)
{
$this->freebusy = ['_type' => 'freebusy', 'periods' => []];
$seen = [];
foreach ($ve->children() as $prop) {
if (!($prop instanceof VObject\Property))
continue;
$value = strval($prop);
switch ($prop->name) {
case 'CREATED':
case 'LAST-MODIFIED':
case 'DTSTAMP':
case 'DTSTART':
case 'DTEND':
$propmap = [
'DTSTART' => 'start',
'DTEND' => 'end',
'CREATED' => 'created',
'LAST-MODIFIED' => 'changed',
'DTSTAMP' => 'changed'
];
$this->freebusy[$propmap[$prop->name]] = self::convert_datetime($prop);
break;
case 'ORGANIZER':
$this->freebusy['organizer'] = preg_replace('!^mailto:!i', '', $value);
break;
case 'FREEBUSY':
// The freebusy component can hold more than 1 value, separated by commas.
$periods = explode(',', $value);
$fbtype = strval($prop['FBTYPE']) ?: 'BUSY';
// skip dupes
if (!empty($seen[$value.':'.$fbtype])) {
break;
}
$seen[$value.':'.$fbtype] = true;
foreach ($periods as $period) {
// Every period is formatted as [start]/[end]. The start is an
// absolute UTC time, the end may be an absolute UTC time, or
// duration (relative) value.
list($busyStart, $busyEnd) = explode('/', $period);
$busyStart = DateTimeParser::parse($busyStart);
$busyEnd = DateTimeParser::parse($busyEnd);
if ($busyEnd instanceof \DateInterval) {
$tmp = clone $busyStart;
$tmp->add($busyEnd);
$busyEnd = $tmp;
}
if ($busyEnd && $busyEnd > $busyStart)
$this->freebusy['periods'][] = [$busyStart, $busyEnd, $fbtype];
}
break;
case 'COMMENT':
$this->freebusy['comment'] = $value;
}
}
return $this->freebusy;
}
/**
*
*/
public static function convert_string($prop)
{
return strval($prop);
}
/**
*
*/
public static function unescape($prop)
{
return str_replace('\,', ',', strval($prop));
}
/**
* Helper method to correctly interpret an all-day date value
*/
public static function convert_datetime($prop, $as_array = false)
{
if (empty($prop)) {
return $as_array ? [] : null;
}
if ($prop instanceof VObject\Property\ICalendar\DateTime) {
if (count($prop->getDateTimes()) > 1) {
$dt = [];
$dateonly = !$prop->hasTime();
foreach ($prop->getDateTimes() as $item) {
$item = self::toDateTime($item);
$item->_dateonly = $dateonly;
$dt[] = $item;
}
}
else {
$dt = self::toDateTime($prop->getDateTime());
if (!$prop->hasTime()) {
$dt->_dateonly = true;
}
}
}
else if ($prop instanceof VObject\Property\ICalendar\Period) {
$dt = [];
foreach ($prop->getParts() as $val) {
try {
list($start, $end) = explode('/', $val);
$start = DateTimeParser::parseDateTime($start);
// This is a duration value.
if ($end[0] === 'P') {
$dur = DateTimeParser::parseDuration($end);
$end = clone $start;
$end->add($dur);
}
else {
$end = DateTimeParser::parseDateTime($end);
}
$dt[] = [self::toDateTime($start), self::toDateTime($end)];
}
catch (Exception $e) {
// ignore single date parse errors
}
}
}
else if ($prop instanceof \DateTimeInterface) {
$dt = self::toDateTime($prop);
}
// force return value to array if requested
if ($as_array && !is_array($dt)) {
$dt = empty($dt) ? [] : [$dt];
}
return $dt;
}
/**
* Create a Sabre\VObject\Property instance from a PHP DateTime object
*
* @param object VObject\Document parent node to create property for
* @param string Property name
* @param object DateTime
* @param boolean Set as UTC date
* @param boolean Set as VALUE=DATE property
*/
public function datetime_prop($cal, $name, $dt, $utc = false, $dateonly = null, $set_type = false)
{
if ($utc) {
$dt->setTimeZone(new \DateTimeZone('UTC'));
$is_utc = true;
}
else {
$is_utc = ($tz = $dt->getTimezone()) && in_array($tz->getName(), array('UTC','GMT','Z'));
}
$is_dateonly = $dateonly === null ? !empty($dt->_dateonly) : (bool) $dateonly;
$vdt = $cal->createProperty($name, $dt, null, $is_dateonly ? 'DATE' : 'DATE-TIME');
if ($is_dateonly) {
$vdt['VALUE'] = 'DATE';
}
else if ($set_type) {
$vdt['VALUE'] = 'DATE-TIME';
}
// register timezone for VTIMEZONE block
if (!$is_utc && !$dateonly && $tz && ($tzname = $tz->getName())) {
$ts = $dt->format('U');
if (!empty($this->vtimezones[$tzname])) {
$this->vtimezones[$tzname][0] = min($this->vtimezones[$tzname][0], $ts);
$this->vtimezones[$tzname][1] = max($this->vtimezones[$tzname][1], $ts);
}
else {
$this->vtimezones[$tzname] = array($ts, $ts);
}
}
return $vdt;
}
/**
* Copy values from one hash array to another using a key-map
*/
public static function map_keys($values, $map)
{
$out = array();
foreach ($map as $from => $to) {
if (isset($values[$from]))
$out[$to] = is_array($values[$from]) ? join(',', $values[$from]) : $values[$from];
}
return $out;
}
/**
*
*/
private static function parameters_array($prop)
{
$params = array();
foreach ($prop->parameters() as $name => $value) {
$params[strtoupper($name)] = strval($value);
}
return $params;
}
/**
* Export events to iCalendar format
*
* @param array Events as array
* @param string VCalendar method to advertise
* @param boolean Directly send data to stdout instead of returning
* @param callable Callback function to fetch attachment contents, false if no attachment export
* @param boolean Add VTIMEZONE block with timezone definitions for the included events
* @return string Events in iCalendar format (http://tools.ietf.org/html/rfc5545)
*/
public function export($objects, $method = null, $write = false, $get_attachment = false, $with_timezones = true)
{
$this->method = $method;
// encapsulate in VCALENDAR container
$vcal = new VObject\Component\VCalendar();
$vcal->VERSION = '2.0';
$vcal->PRODID = $this->prodid;
$vcal->CALSCALE = 'GREGORIAN';
if (!empty($method)) {
$vcal->METHOD = $method;
}
// write vcalendar header
if ($write) {
echo preg_replace('/END:VCALENDAR[\r\n]*$/m', '', $vcal->serialize());
}
foreach ($objects as $object) {
$this->_to_ical($object, !$write?$vcal:false, $get_attachment);
}
// include timezone information
if ($with_timezones || !empty($method)) {
foreach ($this->vtimezones as $tzid => $range) {
$vt = self::get_vtimezone($tzid, $range[0], $range[1], $vcal);
if (empty($vt)) {
continue; // no timezone information found
}
if ($write) {
echo $vt->serialize();
}
else {
$vcal->add($vt);
}
}
}
if ($write) {
echo "END:VCALENDAR\r\n";
return true;
}
else {
return $vcal->serialize();
}
}
/**
* Converts internal event representation to Sabre component
*
* @param array Event
* @param callable Callback function to fetch attachment contents, false if no attachment export
*
* @return Sabre\VObject\Component\VEvent Sabre component
*/
public function toSabreComponent($object, $get_attachment = false)
{
$vcal = new VObject\Component\VCalendar();
$this->_to_ical($object, $vcal, $get_attachment);
return $vcal->getBaseComponent();
}
/**
* Build a valid iCal format block from the given event
*
* @param array Hash array with event/task properties from libkolab
* @param object VCalendar object to append event to or false for directly sending data to stdout
* @param callable Callback function to fetch attachment contents, false if no attachment export
* @param object RECURRENCE-ID property when serializing a recurrence exception
*/
private function _to_ical($event, $vcal, $get_attachment, $recurrence_id = null)
{
$type = !empty($event['_type']) ? $event['_type'] : 'event';
$cal = $vcal ?: new VObject\Component\VCalendar();
$ve = $cal->create($this->type_component_map[$type]);
$ve->UID = $event['uid'];
// set DTSTAMP according to RFC 5545, 3.8.7.2.
$dtstamp = !empty($event['changed']) && empty($this->method) ? $event['changed'] : new DateTime('now', new \DateTimeZone('UTC'));
$ve->DTSTAMP = $this->datetime_prop($cal, 'DTSTAMP', $dtstamp, true);
// all-day events end the next day
if (!empty($event['allday']) && !empty($event['end'])) {
$event['end'] = self::toDateTime($event['end']);
$event['end']->add(new \DateInterval('P1D'));
$event['end']->_dateonly = true;
}
if (!empty($event['created'])) {
$ve->add($this->datetime_prop($cal, 'CREATED', $event['created'], true));
}
if (!empty($event['changed'])) {
$ve->add($this->datetime_prop($cal, 'LAST-MODIFIED', $event['changed'], true));
}
if (!empty($event['start'])) {
$ve->add($this->datetime_prop($cal, 'DTSTART', $event['start'], false, !empty($event['allday'])));
}
if (!empty($event['end'])) {
$ve->add($this->datetime_prop($cal, 'DTEND', $event['end'], false, !empty($event['allday'])));
}
if (!empty($event['due'])) {
$ve->add($this->datetime_prop($cal, 'DUE', $event['due'], false));
}
// we're exporting a recurrence instance only
if (!$recurrence_id && !empty($event['recurrence_date']) && $event['recurrence_date'] instanceof DateTimeInterface) {
$recurrence_id = $this->datetime_prop($cal, 'RECURRENCE-ID', $event['recurrence_date'], false, !empty($event['allday']));
if (!empty($event['thisandfuture'])) {
$recurrence_id->add('RANGE', 'THISANDFUTURE');
}
}
if ($recurrence_id) {
$ve->add($recurrence_id);
}
if (!empty($event['title'])) {
$ve->add('SUMMARY', $event['title']);
}
if (!empty($event['location'])) {
$ve->add($this->is_apple() ? new vobject_location_property($cal, 'LOCATION', $event['location']) : $cal->create('LOCATION', $event['location']));
}
if (!empty($event['description'])) {
$ve->add('DESCRIPTION', strtr($event['description'], array("\r\n" => "\n", "\r" => "\n"))); // normalize line endings
}
if (isset($event['sequence'])) {
$ve->add('SEQUENCE', $event['sequence']);
}
if (!empty($event['recurrence']) && !$recurrence_id) {
$exdates = $rdates = null;
if (isset($event['recurrence']['EXDATE'])) {
$exdates = $event['recurrence']['EXDATE'];
unset($event['recurrence']['EXDATE']); // don't serialize EXDATEs into RRULE value
}
if (isset($event['recurrence']['RDATE'])) {
$rdates = $event['recurrence']['RDATE'];
unset($event['recurrence']['RDATE']); // don't serialize RDATEs into RRULE value
}
if (!empty($event['recurrence']['FREQ'])) {
$ve->add('RRULE', libcalendaring::to_rrule($event['recurrence'], !empty($event['allday'])));
}
// add EXDATEs each one per line (for Thunderbird Lightning)
if (is_array($exdates)) {
foreach ($exdates as $exdate) {
if ($exdate instanceof DateTimeInterface) {
$ve->add($this->datetime_prop($cal, 'EXDATE', $exdate));
}
}
}
// add RDATEs
if (is_array($rdates)) {
foreach ($rdates as $rdate) {
$ve->add($this->datetime_prop($cal, 'RDATE', $rdate));
}
}
}
if (!empty($event['categories'])) {
$cat = $cal->create('CATEGORIES');
$cat->setParts((array)$event['categories']);
$ve->add($cat);
}
if (!empty($event['free_busy'])) {
$ve->add('TRANSP', $event['free_busy'] == 'free' ? 'TRANSPARENT' : 'OPAQUE');
// for Outlook clients we provide the X-MICROSOFT-CDO-BUSYSTATUS property
if (stripos($this->agent, 'outlook') !== false) {
$ve->add('X-MICROSOFT-CDO-BUSYSTATUS', $event['free_busy'] == 'outofoffice' ? 'OOF' : strtoupper($event['free_busy']));
}
}
if (!empty($event['priority'])) {
$ve->add('PRIORITY', $event['priority']);
}
if (!empty($event['cancelled'])) {
$ve->add('STATUS', 'CANCELLED');
}
else if (!empty($event['free_busy']) && $event['free_busy'] == 'tentative') {
$ve->add('STATUS', 'TENTATIVE');
}
else if (!empty($event['complete']) && $event['complete'] == 100) {
$ve->add('STATUS', 'COMPLETED');
}
else if (!empty($event['status'])) {
$ve->add('STATUS', $event['status']);
}
if (!empty($event['complete'])) {
$ve->add('PERCENT-COMPLETE', intval($event['complete']));
}
// Apple iCal and BusyCal required the COMPLETED date to be set in order to consider a task complete
if (
(!empty($event['status']) && $event['status'] == 'COMPLETED')
|| (!empty($event['complete']) && $event['complete'] == 100)
) {
$completed = !empty($event['changed']) ? $event['changed'] : new DateTime('now - 1 hour');
$ve->add($this->datetime_prop($cal, 'COMPLETED', $completed, true));
}
if (!empty($event['valarms'])) {
foreach ($event['valarms'] as $alarm) {
$va = $cal->createComponent('VALARM');
$va->action = $alarm['action'];
if ($alarm['trigger'] instanceof DateTimeInterface) {
$va->add($this->datetime_prop($cal, 'TRIGGER', $alarm['trigger'], true, null, true));
}
else {
$alarm_props = array();
if (!empty($alarm['related']) && strtoupper($alarm['related']) == 'END') {
$alarm_props['RELATED'] = 'END';
}
$va->add('TRIGGER', $alarm['trigger'], $alarm_props);
}
if (!empty($alarm['action']) && $alarm['action'] == 'EMAIL') {
if (!empty($alarm['attendees'])) {
foreach ((array) $alarm['attendees'] as $attendee) {
$va->add('ATTENDEE', 'mailto:' . $attendee);
}
}
}
if (!empty($alarm['description'])) {
$va->add('DESCRIPTION', $alarm['description']);
}
if (!empty($alarm['summary'])) {
$va->add('SUMMARY', $alarm['summary']);
}
if (!empty($alarm['duration'])) {
$va->add('DURATION', $alarm['duration']);
$va->add('REPEAT', !empty($alarm['repeat']) ? intval($alarm['repeat']) : 0);
}
if (!empty($alarm['uri'])) {
$va->add('ATTACH', $alarm['uri'], array('VALUE' => 'URI'));
}
$ve->add($va);
}
}
// legacy support
else if (!empty($event['alarms'])) {
$va = $cal->createComponent('VALARM');
list($trigger, $va->action) = explode(':', $event['alarms']);
$val = libcalendaring::parse_alarm_value($trigger);
if (!empty($val[3])) {
$va->add('TRIGGER', $val[3]);
}
else if ($val[0] instanceof DateTimeInterface) {
$va->add($this->datetime_prop($cal, 'TRIGGER', $val[0], true, null, true));
}
$ve->add($va);
}
// Find SCHEDULE-AGENT
if (!empty($event['x-custom'])) {
foreach ((array) $event['x-custom'] as $prop) {
if ($prop[0] === 'SCHEDULE-AGENT') {
$schedule_agent = $prop[1];
}
}
}
if (!empty($event['attendees'])) {
foreach ((array) $event['attendees'] as $attendee) {
- if ($attendee['role'] == 'ORGANIZER') {
+ if (!empty($attendee['role']) && $attendee['role'] == 'ORGANIZER') {
if (empty($event['organizer']))
$event['organizer'] = $attendee;
}
else if (!empty($attendee['email'])) {
if (isset($attendee['rsvp'])) {
$attendee['rsvp'] = $attendee['rsvp'] ? 'TRUE' : null;
}
$mailto = $attendee['email'];
$attendee = array_filter(self::map_keys($attendee, $this->attendee_keymap));
if (isset($schedule_agent) && !isset($attendee['SCHEDULE-AGENT'])) {
$attendee['SCHEDULE-AGENT'] = $schedule_agent;
}
$ve->add('ATTENDEE', 'mailto:' . $mailto, $attendee);
}
}
}
if (!empty($event['organizer'])) {
$organizer = array_filter(self::map_keys($event['organizer'], $this->organizer_keymap));
if (isset($schedule_agent) && !isset($organizer['SCHEDULE-AGENT'])) {
$organizer['SCHEDULE-AGENT'] = $schedule_agent;
}
$ve->add('ORGANIZER', 'mailto:' . $event['organizer']['email'], $organizer);
}
if (!empty($event['url'])) {
foreach ((array) $event['url'] as $url) {
if (!empty($url)) {
$ve->add('URL', $url);
}
}
}
if (!empty($event['parent_id'])) {
$ve->add('RELATED-TO', $event['parent_id'], array('RELTYPE' => 'PARENT'));
}
if (!empty($event['comment'])) {
$ve->add('COMMENT', $event['comment']);
}
$memory_limit = parse_bytes(ini_get('memory_limit'));
// export attachments
if (!empty($event['attachments'])) {
foreach ((array) $event['attachments'] as $idx => $attach) {
// check available memory and skip attachment export if we can't buffer it
// @todo: use rcube_utils::mem_check()
if (is_callable($get_attachment) && $memory_limit > 0 && ($memory_used = function_exists('memory_get_usage') ? memory_get_usage() : 16*1024*1024)
&& !empty($attach['size']) && $memory_used + $attach['size'] * 3 > $memory_limit
) {
continue;
}
// embed attachments using the given callback function
if (is_callable($get_attachment) && ($data = call_user_func($get_attachment, $attach['id'] ?? $idx, $event))) {
// embed attachments for iCal
$ve->add('ATTACH',
$data,
array_filter([
'VALUE' => 'BINARY',
'ENCODING' => 'BASE64',
'FMTTYPE' => $attach['mimetype'] ?? null,
'X-LABEL' => $attach['name'] ?? null,
'X-SIZE' => $attach['size'] ?? null,
])
);
unset($data); // attempt to free memory
}
// list attachments as absolute URIs
else if (!empty($this->attach_uri)) {
$ve->add('ATTACH',
strtr($this->attach_uri, [
'{{id}}' => urlencode($attach['id'] ?? $idx),
'{{name}}' => urlencode($attach['name']),
'{{mimetype}}' => urlencode($attach['mimetype']),
]),
['FMTTYPE' => $attach['mimetype'], 'VALUE' => 'URI']
);
}
}
}
if (!empty($event['links'])) {
foreach ((array) $event['links'] as $uri) {
$ve->add('ATTACH', $uri);
}
}
// add custom properties
if (!empty($event['x-custom'])) {
foreach ((array) $event['x-custom'] as $prop) {
$ve->add($prop[0], $prop[1]);
}
}
// append to vcalendar container
if ($vcal) {
$vcal->add($ve);
}
else { // serialize and send to stdout
echo $ve->serialize();
}
// append recurrence exceptions
if (!empty($event['recurrence']) && !empty($event['recurrence']['EXCEPTIONS'])) {
foreach ($event['recurrence']['EXCEPTIONS'] as $ex) {
$exdate = !empty($ex['recurrence_date']) ? $ex['recurrence_date'] : $ex['start'];
$recurrence_id = $this->datetime_prop($cal, 'RECURRENCE-ID', $exdate, false, !empty($event['allday']));
if (!empty($ex['thisandfuture'])) {
$recurrence_id->add('RANGE', 'THISANDFUTURE');
}
$ex['uid'] = $ve->UID;
$this->_to_ical($ex, $vcal, $get_attachment, $recurrence_id);
}
}
}
/**
* Returns a VTIMEZONE component for a Olson timezone identifier
* with daylight transitions covering the given date range.
*
* @param string Timezone ID as used in PHP's Date functions
* @param integer Unix timestamp with first date/time in this timezone
* @param integer Unix timestap with last date/time in this timezone
* @param VObject\Component\VCalendar Optional VCalendar component
*
* @return mixed A Sabre\VObject\Component object representing a VTIMEZONE definition
* or false if no timezone information is available
*/
public static function get_vtimezone($tzid, $from = 0, $to = 0, $cal = null)
{
// TODO: Consider using tzurl.org database for better interoperability e.g. with Outlook
if (!$from) $from = time();
if (!$to) $to = $from;
if (!$cal) $cal = new VObject\Component\VCalendar();
if (is_string($tzid)) {
try {
$tz = new \DateTimeZone($tzid);
}
catch (\Exception $e) {
return false;
}
}
else if (is_a($tzid, '\\DateTimeZone')) {
$tz = $tzid;
}
if (empty($tz) || !is_a($tz, '\\DateTimeZone')) {
return false;
}
$year = 86400 * 360;
$transitions = $tz->getTransitions($from - $year, $to + $year);
// Make sure VTIMEZONE contains at least one STANDARD/DAYLIGHT component
// when there's only one transition in specified time period (T5626)
if (count($transitions) == 1) {
// Get more transitions and use OFFSET from the previous to last
$more_transitions = $tz->getTransitions(0, $to + $year);
if (count($more_transitions) > 1) {
$index = count($more_transitions) - 2;
$tzfrom = $more_transitions[$index]['offset'] / 3600;
}
}
$vt = $cal->createComponent('VTIMEZONE');
$vt->TZID = $tz->getName();
$std = null; $dst = null;
foreach ($transitions as $i => $trans) {
$cmp = null;
if (!isset($tzfrom)) {
$tzfrom = $trans['offset'] / 3600;
continue;
}
if ($trans['isdst']) {
$t_dst = $trans['ts'];
$dst = $cal->createComponent('DAYLIGHT');
$cmp = $dst;
}
else {
$t_std = $trans['ts'];
$std = $cal->createComponent('STANDARD');
$cmp = $std;
}
if ($cmp) {
$dt = new DateTime($trans['time']);
$offset = $trans['offset'] / 3600;
$cmp->DTSTART = $dt->format('Ymd\THis');
$cmp->TZOFFSETFROM = sprintf('%+03d%02d', floor($tzfrom), ($tzfrom - floor($tzfrom)) * 60);
$cmp->TZOFFSETTO = sprintf('%+03d%02d', floor($offset), ($offset - floor($offset)) * 60);
if (!empty($trans['abbr'])) {
$cmp->TZNAME = $trans['abbr'];
}
$tzfrom = $offset;
$vt->add($cmp);
}
// we covered the entire date range
if ($std && $dst && min($t_std, $t_dst) < $from && max($t_std, $t_dst) > $to) {
break;
}
}
// add X-MICROSOFT-CDO-TZID if available
$microsoftExchangeMap = array_flip(VObject\TimeZoneUtil::$microsoftExchangeMap);
if (array_key_exists($tz->getName(), $microsoftExchangeMap)) {
$vt->add('X-MICROSOFT-CDO-TZID', $microsoftExchangeMap[$tz->getName()]);
}
return $vt;
}
/**
* Convert DateTime into libcalendaring_datetime
*/
private static function toDateTime($date)
{
return libcalendaring_datetime::createFromFormat(
'Y-m-d\\TH:i:s',
$date->format('Y-m-d\\TH:i:s'),
$date->getTimezone()
);
}
/*** Implement PHP 5 Iterator interface to make foreach work ***/
#[\ReturnTypeWillChange]
function current()
{
return $this->objects[$this->iteratorkey];
}
#[\ReturnTypeWillChange]
function key()
{
return $this->iteratorkey;
}
#[\ReturnTypeWillChange]
function next()
{
$this->iteratorkey++;
// read next chunk if we're reading from a file
if (empty($this->objects[$this->iteratorkey]) && $this->fp) {
$this->_parse_next(true);
}
return $this->valid();
}
#[\ReturnTypeWillChange]
function rewind()
{
$this->iteratorkey = 0;
}
#[\ReturnTypeWillChange]
function valid()
{
return !empty($this->objects[$this->iteratorkey]);
}
}
/**
* Override Sabre\VObject\Property\Text that quotes commas in the location property
* because Apple clients treat that property as list.
*/
class vobject_location_property extends VObject\Property\Text
{
/**
* List of properties that are considered 'structured'.
*
* @var array
*/
protected $structuredValues = [
// vCard
'N',
'ADR',
'ORG',
'GENDER',
'LOCATION',
// iCalendar
'REQUEST-STATUS',
];
}

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