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diff --git a/plugins/calendar/drivers/kolab/kolab_driver.php b/plugins/calendar/drivers/kolab/kolab_driver.php
index 92b38648..61b1b6a0 100644
--- a/plugins/calendar/drivers/kolab/kolab_driver.php
+++ b/plugins/calendar/drivers/kolab/kolab_driver.php
@@ -1,1233 +1,1228 @@
<?php
/**
* Kolab driver for the Calendar plugin
*
* @version 0.7-beta
* @author Thomas Bruederli <roundcube@gmail.com>
* @author Aleksander Machniak <machniak@kolabsys.com>
*
* Copyright (C) 2011, Kolab Systems AG
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
require_once(dirname(__FILE__) . '/kolab_calendar.php');
class kolab_driver extends calendar_driver
{
// features this backend supports
public $alarms = true;
public $attendees = true;
public $freebusy = true;
public $attachments = true;
public $undelete = true;
public $categoriesimmutable = true;
private $rc;
private $cal;
private $calendars;
private $has_writeable = false;
/**
* Default constructor
*/
public function __construct($cal)
{
$this->cal = $cal;
$this->rc = $cal->rc;
$this->_read_calendars();
$this->cal->register_action('push-freebusy', array($this, 'push_freebusy'));
$this->cal->register_action('calendar-acl', array($this, 'calendar_acl'));
}
/**
* Read available calendars from server
*/
private function _read_calendars()
{
// already read sources
if (isset($this->calendars))
return $this->calendars;
// get all folders that have "event" type
$folders = rcube_kolab::get_folders('event');
$this->calendars = array();
if (PEAR::isError($folders)) {
raise_error(array(
'code' => 600, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Failed to list calendar folders from Kolab server:" . $folders->getMessage()),
true, false);
}
else {
// convert to UTF8 and sort
$names = array();
foreach ($folders as $folder)
$names[$folder->name] = rcube_charset_convert($folder->name, 'UTF7-IMAP');
asort($names, SORT_LOCALE_STRING);
foreach ($names as $utf7name => $name) {
$calendar = new kolab_calendar($utf7name, $this->cal);
$this->calendars[$calendar->id] = $calendar;
if (!$calendar->readonly)
$this->has_writeable = true;
}
}
return $this->calendars;
}
/**
* Get a list of available calendars from this source
*/
public function list_calendars()
{
// attempt to create a default calendar for this user
if (!$this->has_writeable) {
if ($this->create_calendar(array('name' => 'Calendar', 'color' => 'cc0000'))) {
unset($this->calendars);
$this->_read_calendars();
}
}
$calendars = $names = array();
foreach ($this->calendars as $id => $cal) {
if ($cal->ready) {
$name = $origname = $cal->get_name();
// find folder prefix to truncate (the same code as in kolab_addressbook plugin)
for ($i = count($names)-1; $i >= 0; $i--) {
if (strpos($name, $names[$i].' &raquo; ') === 0) {
$length = strlen($names[$i].' &raquo; ');
$prefix = substr($name, 0, $length);
$count = count(explode(' &raquo; ', $prefix));
$name = str_repeat('&nbsp;&nbsp;', $count-1) . '&raquo; ' . substr($name, $length);
break;
}
}
$names[] = $origname;
$calendars[$cal->id] = array(
'id' => $cal->id,
'name' => $name,
'editname' => $cal->get_foldername(),
'color' => $cal->get_color(),
'readonly' => $cal->readonly,
'showalarms' => $cal->alarms,
'class_name' => $cal->get_namespace(),
'active' => rcube_kolab::is_subscribed($cal->get_realname()),
);
}
}
return $calendars;
}
/**
* Create a new calendar assigned to the current user
*
* @param array Hash array with calendar properties
* name: Calendar name
* color: The color of the calendar
* @return mixed ID of the calendar on success, False on error
*/
public function create_calendar($prop)
{
$folder = $this->folder_update($prop);
if ($folder === false) {
return false;
}
// subscribe to new calendar by default
$this->rc->imap_connect();
$this->rc->imap->subscribe($folder);
// create ID
$id = rcube_kolab::folder_id($folder);
// save color in user prefs (temp. solution)
$prefs['kolab_calendars'] = $this->rc->config->get('kolab_calendars', array());
if (isset($prop['color']))
$prefs['kolab_calendars'][$id]['color'] = $prop['color'];
if (isset($prop['showalarms']))
$prefs['kolab_calendars'][$id]['showalarms'] = $prop['showalarms'] ? true : false;
if ($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 ($prop['id'] && ($cal = $this->calendars[$prop['id']])) {
$oldfolder = $cal->get_realname();
$newfolder = $this->folder_update($prop);
if ($newfolder === false) {
return false;
}
// create ID
$id = rcube_kolab::folder_id($newfolder);
// fallback to local prefs
$prefs['kolab_calendars'] = $this->rc->config->get('kolab_calendars', array());
unset($prefs['kolab_calendars'][$prop['id']]);
if (isset($prop['color']))
$prefs['kolab_calendars'][$id]['color'] = $prop['color'];
if (isset($prop['showalarms']))
$prefs['kolab_calendars'][$id]['showalarms'] = $prop['showalarms'] ? true : false;
if ($prefs['kolab_calendars'][$id])
$this->rc->user->save_prefs($prefs);
return true;
}
return false;
}
/**
* Set active/subscribed state of a calendar
*
* @see calendar_driver::subscribe_calendar()
*/
public function subscribe_calendar($prop)
{
if ($prop['id'] && ($cal = $this->calendars[$prop['id']])) {
$this->rc->imap_connect();
if ($prop['active'])
return $this->rc->imap->subscribe($cal->get_realname());
else
return $this->rc->imap->unsubscribe($cal->get_realname());
}
return false;
}
/**
* Rename or Create a new IMAP folder
*
* @param array Hash array with calendar properties
*
* @return mixed New folder name or False on failure
*/
private function folder_update(&$prop)
{
$folder = rcube_charset_convert($prop['name'], RCMAIL_CHARSET, 'UTF7-IMAP');
$oldfolder = $prop['oldname']; // UTF7
$parent = $prop['parent']; // UTF7
$delimiter = $_SESSION['imap_delimiter'];
if (strlen($oldfolder)) {
$this->rc->imap_connect();
$options = $this->rc->imap->mailbox_info($oldfolder);
}
if (!empty($options) && ($options['norename'] || $options['protected'])) {
}
// sanity checks (from steps/settings/save_folder.inc)
else if (!strlen($folder)) {
$this->last_error = 'Invalid folder name';
return false;
}
else if (strlen($folder) > 128) {
$this->last_error = 'Folder name too long';
return false;
}
else {
// these characters are problematic e.g. when used in LIST/LSUB
foreach (array($delimiter, '%', '*') as $char) {
if (strpos($folder, $delimiter) !== false) {
$this->last_error = 'Invalid folder name';
return false;
}
}
}
if (!empty($options) && ($options['protected'] || $options['norename'])) {
$folder = $oldfolder;
}
else if (strlen($parent)) {
$folder = $parent . $delimiter . $folder;
}
else {
// add namespace prefix (when needed)
$this->rc->imap_init();
$folder = $this->rc->imap->mod_mailbox($folder, 'in');
}
// Check access rights to the parent folder
if (strlen($parent) && (!strlen($oldfolder) || $oldfolder != $folder)) {
$this->rc->imap_connect();
$parent_opts = $this->rc->imap->mailbox_info($parent);
if ($parent_opts['namespace'] != 'personal'
&& (empty($parent_opts['rights']) || !preg_match('/[ck]/', implode($parent_opts)))
) {
$this->last_error = 'No permission to create folder';
return false;
}
}
// update the folder name
if (strlen($oldfolder)) {
if ($oldfolder != $folder) {
if (!($result = rcube_kolab::folder_rename($oldfolder, $folder)))
$this->last_error = rcube_kolab::$last_error;
}
else
$result = true;
}
// create new folder
else {
if (!($result = rcube_kolab::folder_create($folder, 'event', false)))
$this->last_error = rcube_kolab::$last_error;
}
// save color in METADATA
// TODO: also save 'showalarams' and other properties here
if ($result && $prop['color']) {
if (!($meta_saved = $this->rc->imap->set_metadata($folder, array('/shared/vendor/kolab/color' => $prop['color'])))) // try in shared namespace
$meta_saved = $this->rc->imap->set_metadata($folder, array('/private/vendor/kolab/color' => $prop['color'])); // try in private namespace
if ($meta_saved)
unset($prop['color']); // unsetting will prevent fallback to local user prefs
}
return $result ? $folder : false;
}
/**
* Delete the given calendar with all its contents
*
* @see calendar_driver::remove_calendar()
*/
public function remove_calendar($prop)
{
if ($prop['id'] && ($cal = $this->calendars[$prop['id']])) {
$folder = $cal->get_realname();
if (rcube_kolab::folder_delete($folder)) {
// remove color in user prefs (temp. solution)
$prefs['kolab_calendars'] = $this->rc->config->get('kolab_calendars', array());
unset($prefs['kolab_calendars'][$prop['id']]);
$this->rc->user->save_prefs($prefs);
return true;
}
else
$this->last_error = rcube_kolab::$last_error;
}
return false;
}
/**
* 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, $writeable = null)
{
if (is_array($event)) {
$id = $event['id'] ? $event['id'] : $event['uid'];
$cal = $event['calendar'];
}
else {
$id = $event;
}
if ($cal && ($storage = $this->calendars[$cal])) {
return $storage->get_event($id);
}
// iterate over all calendar folders and search for the event ID
else if (!$cal) {
foreach ($this->calendars as $storage) {
if ($writeable && $storage->readonly)
continue;
if ($result = $storage->get_event($id)) {
return $result;
}
}
}
return false;
}
/**
* Add a single event to the database
*
* @see calendar_driver::new_event()
*/
public function new_event($event)
{
$cid = $event['calendar'] ? $event['calendar'] : reset(array_keys($this->calendars));
if ($storage = $this->calendars[$cid]) {
// handle attachments to add
if (!empty($event['attachments'])) {
foreach ($event['attachments'] as $idx => $attachment) {
// we'll read file contacts into memory, Horde/Kolab classes does the same
// So we cannot save memory, rcube_imap class can do this better
$event['attachments'][$idx]['content'] = $attachment['data'] ? $attachment['data'] : file_get_contents($attachment['path']);
}
}
$GLOBALS['conf']['kolab']['no_triggering'] = true;
$success = $storage->insert_event($event);
if ($success)
$this->rc->output->command('plugin.ping_url', array('action' => 'calendar/push-freebusy', 'source' => $storage->id));
return $success;
}
return false;
}
/**
* Update an event entry with the given data
*
* @see calendar_driver::new_event()
* @return boolean True on success, False on error
*/
public function edit_event($event)
{
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 = $this->calendars[$event['calendar']]) && ($ev = $storage->get_event($event['id'])))
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 = $this->calendars[$event['calendar']]) && ($ev = $storage->get_event($event['id'])))
return $this->update_event($event + $ev);
return false;
}
/**
* Remove a single event
*
* @param array Hash array with event properties:
* id: Event identifier
* @param boolean Remove record(s) irreversible (mark as deleted otherwise)
*
* @return boolean True on success, False on error
*/
public function remove_event($event, $force = true)
{
$success = false;
$_savemode = $event['_savemode'];
if (($storage = $this->calendars[$event['calendar']]) && ($event = $storage->get_event($event['id']))) {
$event['_savemode'] = $_savemode;
$savemode = 'all';
$master = $event;
$this->rc->session->remove('calendar_restore_event_data');
$GLOBALS['conf']['kolab']['no_triggering'] = true;
// read master if deleting a recurring event
if ($event['recurrence'] || $event['recurrence_id']) {
$master = $event['recurrence_id'] ? $storage->get_event($event['recurrence_id']) : $event;
$savemode = $event['_savemode'];
}
switch ($savemode) {
case 'current':
$_SESSION['calendar_restore_event_data'] = $master;
// removing the first instance => just move to next occurence
if ($master['id'] == $event['id']) {
$recurring = reset($storage->_get_recurring_events($event, $event['start'], $event['end'] + 86400 * 370, $event['id'].'-1'));
$master['start'] = $recurring['start'];
$master['end'] = $recurring['end'];
if ($master['recurrence']['COUNT'])
$master['recurrence']['COUNT']--;
}
else { // add exception to master event
$master['recurrence']['EXDATE'][] = $event['start'];
}
$success = $storage->update_event($master);
break;
case 'future':
if ($master['id'] != $event['id']) {
$_SESSION['calendar_restore_event_data'] = $master;
// set until-date on master event
$master['recurrence']['UNTIL'] = $event['start'] - 86400;
unset($master['recurrence']['COUNT']);
$success = $storage->update_event($master);
break;
}
default: // 'all' is default
$success = $storage->delete_event($master, $force);
break;
}
}
if ($success)
$this->rc->output->command('plugin.ping_url', array('action' => 'calendar/push-freebusy', 'source' => $storage->id));
return $success;
}
/**
* Restore a single deleted event
*
* @param array Hash array with event properties:
* id: Event identifier
* @return boolean True on success, False on error
*/
public function restore_event($event)
{
if ($storage = $this->calendars[$event['calendar']]) {
if (!empty($_SESSION['calendar_restore_event_data']))
$success = $storage->update_event($_SESSION['calendar_restore_event_data']);
else
$success = $storage->restore_event($event);
if ($success)
$this->rc->output->command('plugin.ping_url', array('action' => 'calendar/push-freebusy', 'source' => $storage->id));
return $success;
}
return false;
}
/**
* Wrapper to update an event object depending on the given savemode
*/
private function update_event($event)
{
if (!($storage = $this->calendars[$event['calendar']]))
return false;
// move event to another folder/calendar
if ($event['_fromcalendar'] && $event['_fromcalendar'] != $event['calendar']) {
if (!($fromcalendar = $this->calendars[$event['_fromcalendar']]))
return false;
if ($event['_savemode'] != 'new') {
if (!$fromcalendar->storage->move($event['id'], $storage->get_realname()))
return false;
$fromcalendar = $storage;
$storage->storage->synchronize();
}
}
else
$fromcalendar = $storage;
$success = false;
$savemode = 'all';
$attachments = array();
$old = $master = $fromcalendar->get_event($event['id']);
// delete existing attachment(s)
if (!empty($event['deleted_attachments'])) {
foreach ($event['deleted_attachments'] as $attachment) {
if (!empty($old['attachments'])) {
foreach ($old['attachments'] as $idx => $att) {
if ($att['id'] == $attachment) {
unset($old['attachments'][$idx]);
}
}
}
}
}
// handle attachments to add
if (!empty($event['attachments'])) {
foreach ($event['attachments'] as $attachment) {
// skip entries without content (could be existing ones)
if (!$attachment['data'] && !$attachment['path'])
continue;
// we'll read file contacts into memory, Horde/Kolab classes does the same
// So we cannot save memory, rcube_imap class can do this better
$attachments[] = array(
'name' => $attachment['name'],
'type' => $attachment['mimetype'],
'content' => $attachment['data'] ? $attachment['data'] : file_get_contents($attachment['path']),
);
}
}
$event['attachments'] = array_merge((array)$old['attachments'], $attachments);
// modify a recurring event, check submitted savemode to do the right things
if ($old['recurrence'] || $old['recurrence_id']) {
$master = $old['recurrence_id'] ? $fromcalendar->get_event($old['recurrence_id']) : $old;
$savemode = $event['_savemode'];
}
// keep saved exceptions (not submitted by the client)
if ($old['recurrence']['EXDATE'])
$event['recurrence']['EXDATE'] = $old['recurrence']['EXDATE'];
$GLOBALS['conf']['kolab']['no_triggering'] = true;
switch ($savemode) {
case 'new':
// save submitted data as new (non-recurring) event
$event['recurrence'] = array();
$event['uid'] = $this->cal->generate_uid();
// copy attachment data to new event
foreach ((array)$event['attachments'] as $idx => $attachment) {
if (!$attachment['data'])
$attachment['data'] = $fromcalendar->get_attachment_body($attachment['id']);
}
$success = $storage->insert_event($event);
break;
case 'current':
// add exception to master event
$master['recurrence']['EXDATE'][] = $old['start'];
$storage->update_event($master);
// insert new event for this occurence
$event += $old;
$event['recurrence'] = array();
$event['uid'] = $this->cal->generate_uid();
$success = $storage->insert_event($event);
break;
case 'future':
if ($master['id'] != $event['id']) {
// set until-date on master event
$master['recurrence']['UNTIL'] = $old['start'] - 86400;
unset($master['recurrence']['COUNT']);
$storage->update_event($master);
// save this instance as new recurring event
$event += $old;
$event['uid'] = $this->cal->generate_uid();
// if recurrence COUNT, update value to the correct number of future occurences
if ($event['recurrence']['COUNT']) {
$event['recurrence']['COUNT'] -= $old['_instance'];
}
// remove fixed weekday, will be re-set to the new weekday in kolab_calendar::insert_event()
if (strlen($event['recurrence']['BYDAY']) == 2)
unset($event['recurrence']['BYDAY']);
if ($master['recurrence']['BYMONTH'] == gmdate('n', $master['start']))
unset($event['recurrence']['BYMONTH']);
$success = $storage->insert_event($event);
break;
}
default: // 'all' is default
$event['id'] = $master['id'];
$event['uid'] = $master['uid'];
// use start date from master but try to be smart on time or duration changes
$old_start_date = date('Y-m-d', $old['start']);
$old_start_time = date('H:i', $old['start']);
$old_duration = $old['end'] - $old['start'];
$new_start_date = date('Y-m-d', $event['start']);
$new_start_time = date('H:i', $event['start']);
$new_duration = $event['end'] - $event['start'];
$diff = $old_start_date != $new_start_date || $old_start_time != $new_start_time || $old_duration != $new_duration;
// shifted or resized
if ($diff && ($old_start_date == $new_start_date || $old_duration == $new_duration)) {
$event['start'] = $master['start'] + ($event['start'] - $old['start']);
$event['end'] = $event['start'] + $new_duration;
// remove fixed weekday, will be re-set to the new weekday in kolab_calendar::update_event()
if ($old_start_date != $new_start_date) {
if (strlen($event['recurrence']['BYDAY']) == 2)
unset($event['recurrence']['BYDAY']);
if ($old['recurrence']['BYMONTH'] == gmdate('n', $old['start']))
unset($event['recurrence']['BYMONTH']);
}
}
$success = $storage->update_event($event);
break;
}
if ($success)
$this->rc->output->command('plugin.ping_url', array('action' => 'calendar/push-freebusy', 'source' => $storage->id));
return $success;
}
/**
* Get events from source.
*
* @param integer Event's new start (unix timestamp)
* @param integer Event's new end (unix timestamp)
* @param string Search query (optional)
* @param mixed List of calendar IDs to load events from (either as array or comma-separated string)
* @param boolean Strip virtual events (optional)
* @return array A list of event records
*/
public function load_events($start, $end, $search = null, $calendars = null, $virtual = 1)
{
if ($calendars && is_string($calendars))
$calendars = explode(',', $calendars);
$events = $categories = array();
foreach ($this->calendars as $cid => $calendar) {
if ($calendars && !in_array($cid, $calendars))
continue;
$events = array_merge($events, $this->calendars[$cid]->list_events($start, $end, $search, $virtual));
$categories += $this->calendars[$cid]->categories;
}
// add new categories to user prefs
$old_categories = $this->rc->config->get('calendar_categories', array());
if ($newcats = array_diff(array_map('strtolower', array_keys($categories)), array_map('strtolower', array_keys($old_categories)))) {
foreach ($newcats as $category)
$old_categories[$category] = ''; // no color set yet
$this->rc->user->save_prefs(array('calendar_categories' => $old_categories));
}
return $events;
}
/**
* Get a list of pending alarms to be displayed to the user
*
* @see calendar_driver::pending_alarms()
*/
public function pending_alarms($time, $calendars = null)
{
$interval = 300;
$time -= $time % 60;
$slot = $time;
$slot -= $slot % $interval;
$last = $time - max(60, $this->rc->session->get_keep_alive());
$last -= $last % $interval;
// only check for alerts once in 5 minutes
if ($last == $slot)
return false;
if ($calendars && is_string($calendars))
$calendars = explode(',', $calendars);
$time = $slot + $interval;
$events = array();
foreach ($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) as $e) {
// add to list if alarm is set
if ($e['_alarm'] && ($notifyat = $e['start'] - $e['_alarm'] * 60) <= $time) {
$id = $e['id'];
$events[$id] = $e;
$events[$id]['notifyat'] = $notifyat;
}
}
}
// get alarm information stored in local database
if (!empty($events)) {
$event_ids = array_map(array($this->rc->db, 'quote'), array_keys($events));
$result = $this->rc->db->query(sprintf(
"SELECT * FROM kolab_alarms
WHERE event_id IN (%s)",
join(',', $event_ids),
$this->rc->db->now()
));
while ($result && ($e = $this->rc->db->fetch_assoc($result))) {
$dbdata[$e['event_id']] = $e;
}
}
$alarms = array();
foreach ($events as $id => $e) {
// skip dismissed
if ($dbdata[$id]['dismissed'])
continue;
// snooze function may have shifted alarm time
$notifyat = $dbdata[$id]['notifyat'] ? strtotime($dbdata[$id]['notifyat']) : $e['notifyat'];
if ($notifyat <= $time)
$alarms[] = $e;
}
return $alarms;
}
/**
* Feedback after showing/sending an alarm notification
*
* @see calendar_driver::dismiss_alarm()
*/
public function dismiss_alarm($event_id, $snooze = 0)
{
// 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(
"REPLACE INTO kolab_alarms
(event_id, dismissed, notifyat)
VALUES(?, ?, ?)",
$event_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 = $this->calendars[$event['calendar']]))
return false;
$event = $storage->get_event($event['id']);
return $event['attachments'];
}
/**
* Get attachment properties
*/
public function get_attachment($id, $event)
{
if (!($storage = $this->calendars[$event['calendar']]))
return false;
$event = $storage->get_event($event['id']);
if ($event && !empty($event['attachments'])) {
foreach ($event['attachments'] as $att) {
if ($att['id'] == $id) {
return $att;
}
}
}
return null;
}
/**
* Get attachment body
*/
public function get_attachment_body($id, $event)
{
if (!($storage = $this->calendars[$event['calendar']]))
return false;
return $storage->get_attachment_body($id);
}
/**
* 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 $this->rc->config->get('calendar_categories', array());
}
/**
* Fetch free/busy information from a person within the given range
*/
public function get_freebusy_list($email, $start, $end)
{
require_once('Horde/iCalendar.php');
if (empty($email)/* || $end < time()*/)
return false;
// map vcalendar fbtypes to internal values
$fbtypemap = array(
'FREE' => calendar::FREEBUSY_FREE,
'BUSY-TENTATIVE' => calendar::FREEBUSY_TENTATIVE,
'X-OUT-OF-OFFICE' => calendar::FREEBUSY_OOF,
'OOF' => calendar::FREEBUSY_OOF);
// ask kolab server first
$fbdata = @file_get_contents(rcube_kolab::get_freebusy_url($email));
// get free-busy url from contacts
if (!$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(array('email'), $email, true, true, true/*, 'freebusyurl'*/)) {
while ($contact = $result->iterate()) {
if ($fburl = $contact['freebusyurl']) {
$fbdata = @file_get_contents($fburl);
break;
}
}
}
if ($fbdata)
break;
}
}
// parse free-busy information using Horde classes
if ($fbdata) {
$fbcal = new Horde_iCalendar;
$fbcal->parsevCalendar($fbdata);
if ($fb = $fbcal->findComponent('vfreebusy')) {
$result = array();
$params = $fb->getExtraParams();
foreach ($fb->getBusyPeriods() as $from => $to) {
if ($to == null) // no information, assume free
break;
$type = $params[$from]['FBTYPE'];
$result[] = array($from, $to, isset($fbtypemap[$type]) ? $fbtypemap[$type] : calendar::FREEBUSY_BUSY);
}
// set period from $start till the begin of the free-busy information as 'unknown'
if (($fbstart = $fb->getStart()) && $start < $fbstart) {
array_unshift($result, array($start, $fbstart, calendar::FREEBUSY_UNKNOWN));
}
// pad period till $end with status 'unknown'
if (($fbend = $fb->getEnd()) && $fbend < $end) {
$result[] = array($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);
$cal = get_input_value('source', RCUBE_INPUT_GPC);
if (!($storage = $this->calendars[$cal]))
return false;
// trigger updates on folder
$folder = $storage->get_folder();
$trigger = $folder->trigger();
if (is_object($trigger) && is_a($trigger, 'PEAR_Error')) {
raise_error(array(
'code' => 900, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Failed triggering folder. Error was " . $trigger->getMessage()),
true, false);
}
exit;
}
/**
* Callback function to produce driver-specific calendar create/edit form
*
* @param string Request action 'form-edit|form-new'
* @param array Calendar properties (e.g. id, color)
* @param array Edit form fields
*
* @return string HTML content of the form
*/
public function calendar_form($action, $calendar, $formfields)
{
if ($calendar['id'] && ($cal = $this->calendars[$calendar['id']])) {
$folder = $cal->get_realname(); // UTF7
$color = $cal->get_color();
}
else {
$folder = '';
$color = '';
}
$hidden_fields[] = array('name' => 'oldname', 'value' => $folder);
$delim = $_SESSION['imap_delimiter'];
$form = array();
if (strlen($folder)) {
$path_imap = explode($delim, $folder);
array_pop($path_imap); // pop off name part
$path_imap = implode($path_imap, $delim);
$this->rc->imap_connect();
$options = $this->rc->imap->mailbox_info($folder);
}
else {
$path_imap = '';
}
// General tab
$form['props'] = array(
'name' => $this->rc->gettext('properties'),
);
// Disable folder name input
if (!empty($options) && ($options['norename'] || $options['protected'])) {
$input_name = new html_hiddenfield(array('name' => 'name', 'id' => 'calendar-name'));
$formfields['name']['value'] = Q(str_replace($delimiter, ' &raquo; ', rcube_kolab::object_name($folder)))
. $input_name->show($folder);
}
// calendar name (default field)
$form['props']['fieldsets']['location'] = array(
'name' => $this->rc->gettext('location'),
'content' => array(
'name' => $formfields['name']
),
);
if (!empty($options) && ($options['norename'] || $options['protected'])) {
// prevent user from moving folder
$hidden_fields[] = array('name' => 'parent', 'value' => $path_imap);
}
else {
$select = rcube_kolab::folder_selector('event', array('name' => 'parent'), $folder);
$form['props']['fieldsets']['location']['content']['path'] = array(
'label' => $this->cal->gettext('parentcalendar'),
'value' => $select->show(strlen($folder) ? $path_imap : ''),
);
}
// calendar color (default field)
$form['props']['fieldsets']['settings'] = array(
'name' => $this->rc->gettext('settings'),
'content' => array(
'color' => $formfields['color'],
'showalarms' => $formfields['showalarms'],
),
);
if ($action != 'form-new') {
$form['sharing'] = array(
'name' => Q($this->cal->gettext('tabsharing')),
'content' => html::tag('iframe', array(
'src' => $this->cal->rc->url(array('_action' => 'calendar-acl', 'id' => $calendar['id'], 'framed' => 1)),
'width' => '100%',
'height' => 350,
'border' => 0,
'style' => 'border:0'),
''),
);
}
$this->form_html = '';
if (is_array($hidden_fields)) {
foreach ($hidden_fields as $field) {
$hiddenfield = new html_hiddenfield($field);
$this->form_html .= $hiddenfield->show() . "\n";
}
}
// Create form output
foreach ($form as $tab) {
if (!empty($tab['fieldsets']) && is_array($tab['fieldsets'])) {
$content = '';
foreach ($tab['fieldsets'] as $fieldset) {
$subcontent = $this->get_form_part($fieldset);
if ($subcontent) {
$content .= html::tag('fieldset', null, html::tag('legend', null, Q($fieldset['name'])) . $subcontent) ."\n";
}
}
}
else {
$content = $this->get_form_part($tab);
}
if ($content) {
$this->form_html .= html::tag('fieldset', null, html::tag('legend', null, Q($tab['name'])) . $content) ."\n";
}
}
// Parse form template for skin-dependent stuff
$this->rc->output->add_handler('calendarform', array($this, 'calendar_form_html'));
return $this->rc->output->parse('calendar.kolabform', false, false);
}
/**
* Handler for template object
*/
public function calendar_form_html()
{
return $this->form_html;
}
/**
* Helper function used in calendar_form_content(). Creates a part of the form.
*/
private function get_form_part($form)
{
$content = '';
if (is_array($form['content']) && !empty($form['content'])) {
$table = new html_table(array('cols' => 2));
foreach ($form['content'] as $col => $colprop) {
$colprop['id'] = '_'.$col;
$label = !empty($colprop['label']) ? $colprop['label'] : rcube_label($col);
$table->add('title', sprintf('<label for="%s">%s</label>', $colprop['id'], Q($label)));
$table->add(null, $colprop['value']);
}
$content = $table->show();
}
else {
$content = $form['content'];
}
return $content;
}
/**
* Handler to render ACL form for a calendar folder
*/
public function calendar_acl()
{
$this->rc->output->add_handler('folderacl', array($this, 'calendar_acl_form'));
$this->rc->output->send('calendar.kolabacl');
}
/**
* Handler for ACL form template object
*/
public function calendar_acl_form()
{
$calid = get_input_value('_id', RCUBE_INPUT_GPC);
if ($calid && ($cal = $this->calendars[$calid])) {
$folder = $cal->get_realname(); // UTF7
$color = $cal->get_color();
}
else {
$folder = '';
$color = '';
}
$hidden_fields[] = array('name' => 'oldname', 'value' => $folder);
$delim = $_SESSION['imap_delimiter'];
$form = array();
if (strlen($folder)) {
$path_imap = explode($delim, $folder);
array_pop($path_imap); // pop off name part
$path_imap = implode($path_imap, $delim);
$this->rc->imap_connect();
$options = $this->rc->imap->mailbox_info($folder);
// Allow plugins to modify the form content (e.g. with ACL form)
$plugin = $this->rc->plugins->exec_hook('calendar_form_kolab',
array('form' => $form, 'options' => $options, 'name' => $folder));
}
return $plugin['form']['sharing']['content'];
}
/**
* Return a (limited) list of color values to be used for calendar and category coloring
*
* @return mixed List for colors as hex values or false if no presets should be shown
*/
public function get_color_values()
{
- // from http://msdn.microsoft.com/en-us/library/aa358802%28v=VS.85%29.aspx
- return array('F0F8FF','FAEBD7','00FFFF','7FFFD4','F0FFFF','F5F5DC',
- 'FFE4C4','000000','FFEBCD','0000FF','8A2BE2','A52A2A','DEB887',
- '5F9EA0','7FFF00','D2691E','FF7F50','6495ED','FFF8DC','DC143C',
- '00FFFF','00008B','008B8B','B8860B','A9A9A9','006400','BDB76B',
- '8B008B','556B2F','FF8C00','9932CC','8B0000','E9967A','8FBC8B',
- '483D8B','2F4F4F','00CED1','9400D3','FF1493','00BFFF','696969',
- '1E90FF','B22222','FFFAF0','228B22','FF00FF','DCDCDC','F8F8FF',
- 'FFD700','DAA520','808080','008000','ADFF2F','F0FFF0','FF69B4',
- 'CD5C5C','4B0082','FFFFF0','F0E68C','E6E6FA','FFF0F5','7CFC00',
- 'FFFACD','ADD8E6','F08080','E0FFFF','FAFAD2','90EE90','D3D3D3',
- 'FFB6C1','FFA07A','20B2AA','87CEFA','778899','B0C4DE','FFFFE0',
- '00FF00','32CD32','FAF0E6','FF00FF','800000','66CDAA','0000CD',
- 'BA55D3','9370DB','3CB371','7B68EE','00FA9A','48D1CC','C71585',
- '191970','F5FFFA','FFE4E1','FFE4B5','FFDEAD','000080','FDF5E6',
- '808000','6B8E23','FFA500','FF4500','DA70D6','EEE8AA','98FB98',
- 'AFEEEE','DB7093','FFEFD5','FFDAB9','CD853F','FFC0CB','DDA0DD',
- 'B0E0E6','800080','FF0000','BC8F8F','4169E1','8B4513','FA8072',
- 'F4A460','2E8B57','FFF5EE','A0522D','C0C0C0','87CEEB','6A5ACD',
- '708090','FFFAFA','00FF7F','4682B4','D2B48C','008080','D8BFD8',
- 'FF6347','40E0D0','EE82EE','F5DEB3','FFFFFF','F5F5F5','FFFF00',
- '9ACD32');
+ // selection from http://msdn.microsoft.com/en-us/library/aa358802%28v=VS.85%29.aspx
+ return array('000000','006400','2F4F4F','800000','808000','008000',
+ '008080','000080','800080','4B0082','191970','8B0000','008B8B',
+ '00008B','8B008B','556B2F','8B4513','228B22','6B8E23','2E8B57',
+ 'B8860B','483D8B','A0522D','0000CD','A52A2A','00CED1','696969',
+ '20B2AA','9400D3','B22222','C71585','3CB371','D2691E','DC143C',
+ 'DAA520','00FA9A','4682B4','7CFC00','9932CC','FF0000','FF4500',
+ 'FF8C00','FFA500','FFD700','FFFF00','9ACD32','32CD32','00FF00',
+ '00FF7F','00FFFF','5F9EA0','00BFFF','0000FF','FF00FF','808080',
+ '708090','CD853F','8A2BE2','778899','FF1493','48D1CC','1E90FF',
+ '40E0D0','4169E1','6A5ACD','BDB76B','BA55D3','CD5C5C','ADFF2F',
+ '66CDAA','FF6347','8FBC8B','DA70D6','BC8F8F','9370DB','DB7093',
+ 'FF7F50','6495ED','A9A9A9','F4A460','7B68EE','D2B48C','E9967A',
+ 'DEB887','FF69B4','FA8072','F08080','EE82EE','87CEEB','FFA07A',
+ 'F0E68C','DDA0DD','90EE90','7FFFD4','C0C0C0','87CEFA','B0C4DE',
+ '98FB98','ADD8E6','B0E0E6','D8BFD8','EEE8AA','AFEEEE','D3D3D3',
+ 'FFDEAD');
}
}

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