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diff --git a/program/include/rcube_message.php b/program/include/rcube_message.php
index 48f999785..1e3bc7f7e 100644
--- a/program/include/rcube_message.php
+++ b/program/include/rcube_message.php
@@ -1,409 +1,409 @@
<?php
/*
+-----------------------------------------------------------------------+
| program/include/rcube_message.php |
| |
| This file is part of the RoundCube Webmail client |
| Copyright (C) 2008, RoundCube Dev. - Switzerland |
| Licensed under the GNU GPL |
| |
| PURPOSE: |
| Logical representation of a mail message with all its data |
| and related functions |
+-----------------------------------------------------------------------+
| Author: Thomas Bruederli <roundcube@gmail.com> |
+-----------------------------------------------------------------------+
$Id: rcube_imap.php 1344 2008-04-30 08:21:42Z thomasb $
*/
/**
* Logical representation of a mail message with all its data
* and related functions
*
* @package Mail
* @author Thomas Bruederli <roundcube@gmail.com>
*/
class rcube_message
{
private $app;
private $imap;
private $opt = array();
private $inline_parts = array();
private $parse_alternative = false;
public $uid = null;
public $headers;
public $structure;
public $parts = array();
public $mime_parts = array();
public $attachments = array();
public $subject = '';
public $sender = null;
public $is_safe = false;
function __construct($uid)
{
$this->app = rcmail::get_instance();
$this->imap = $this->app->imap;
$this->uid = $uid;
$this->headers = $this->imap->get_headers($uid);
$this->subject = rcube_imap::decode_mime_string($this->headers->subject, $this->headers->charset);
list(, $this->sender) = each($this->imap->decode_address_list($this->headers->from));
$this->set_safe((intval($_GET['_safe']) || $_SESSION['safe_messages'][$uid]));
$this->opt = array(
'safe' => $this->is_safe,
'prefer_html' => $this->app->config->get('prefer_html'),
'get_url' => rcmail_url('get', array('_mbox' => $this->imap->get_mailbox_name(), '_uid' => $uid))
);
if ($this->structure = $this->imap->get_structure($uid)) {
$this->get_mime_numbers($this->structure);
$this->parse_structure($this->structure);
}
else {
$this->body = $this->imap->get_body($uid);
}
}
/**
* Return a (decoded) message header
*
* @param string Header name
* @param bool Don't mime-decode the value
* @return string Header value
*/
public function get_header($name, $raw = false)
{
$value = $this->headers->$name;
return $raw ? $value : $this->imap->decode_header($value);
}
/**
* Set is_safe var and session data
*
* @param bool enable/disable
*/
public function set_safe($safe = true)
{
$this->is_safe = $safe;
$_SESSION['safe_messages'][$this->uid] = $this->is_safe;
}
/**
* Compose a valid URL for getting a message part
*
* @param string Part MIME-ID
* @return string URL or false if part does not exist
*/
public function get_part_url($mime_id)
{
if ($this->mime_parts[$mime_id])
return $this->opt['get_url'] . "&_part=" . $mime_id;
else
return false;
}
/**
* Get content of a specific part of this message
*
* @param string Part MIME-ID
* @return string Part content
*/
public function get_part_content($mime_id)
{
if ($part = $this->mime_parts[$mime_id])
return $this->imap->get_message_part($this->uid, $mime_id, $part);
else
return null;
}
/**
* Determine if the message contains a HTML part
*
* @return bool True if a HTML is available, False if not
*/
function has_html_part()
{
// check all message parts
foreach ($this->parts as $pid => $part) {
$mimetype = strtolower($part->ctype_primary . '/' . $part->ctype_secondary);
if ($mimetype == 'text/html')
return true;
}
return false;
}
/**
* Return the first HTML part of this message
*
* @return string HTML message part content
*/
function first_html_part()
{
$html_part = null;
// check all message parts
foreach ($this->mime_parts as $mime_id => $part) {
$mimetype = strtolower($part->ctype_primary . '/' . $part->ctype_secondary);
if ($mimetype == 'text/html') {
$html_part = $this->imap->get_message_part($this->uid, $mime_id, $part);
}
}
return $html_part;
}
/**
* Return the first text part of this message
*
* @return string Plain text message/part content
*/
function first_text_part()
{
// no message structure, return complete body
if (empty($this->parts))
return $this->body;
$out = null;
// check all message parts
foreach ($this->mime_parts as $mime_id => $part) {
$mimetype = strtolower($part->ctype_primary . '/' . $part->ctype_secondary);
if ($mimetype == 'text/plain') {
$out = $this->imap->get_message_part($this->uid, $mime_id, $part);
break;
}
else if ($mimetype == 'text/html') {
$html_part = $this->imap->get_message_part($this->uid, $mime_id, $part);
// remove special chars encoding
$trans = array_flip(get_html_translation_table(HTML_ENTITIES));
$html_part = strtr($html_part, $trans);
// create instance of html2text class
$txt = new html2text($html_part);
$out = $txt->get_text();
break;
}
}
return $out;
}
/**
* Raad the message structure returend by the IMAP server
* and build flat lists of content parts and attachments
*
* @param object rcube_message_part Message structure node
* @param bool True when called recursively
*/
private function parse_structure($structure, $recursive = false)
{
$message_ctype_primary = strtolower($structure->ctype_primary);
$message_ctype_secondary = strtolower($structure->ctype_secondary);
// show message headers
if ($recursive && is_array($structure->headers) && isset($structure->headers['subject'])) {
$c = new stdClass;
$c->type = 'headers';
$c->headers = &$structure->headers;
$this->parts[] = $c;
}
// print body if message doesn't have multiple parts
if ($message_ctype_primary == 'text' && !$recursive) {
$structure->type = 'content';
$this->parts[] = &$structure;
}
// message contains alternative parts
else if ($message_ctype_primary == 'multipart' && ($message_ctype_secondary == 'alternative') && is_array($structure->parts)) {
// get html/plaintext parts
$plain_part = $html_part = $print_part = $related_part = null;
foreach ($structure->parts as $p => $sub_part) {
$rel_parts = $attachmnts = null;
$sub_ctype_primary = strtolower($sub_part->ctype_primary);
$sub_ctype_secondary = strtolower($sub_part->ctype_secondary);
// check if sub part is
if ($sub_ctype_primary=='text' && $sub_ctype_secondary=='plain')
$plain_part = $p;
else if ($sub_ctype_primary=='text' && $sub_ctype_secondary=='html')
$html_part = $p;
else if ($sub_ctype_primary=='text' && $sub_ctype_secondary=='enriched')
$enriched_part = $p;
else if ($sub_ctype_primary=='multipart' && ($sub_ctype_secondary=='related' || $sub_ctype_secondary=='mixed'))
$related_part = $p;
}
// parse related part (alternative part could be in here)
if ($related_part !== null && !$this->parse_alternative) {
$this->parse_alternative = true;
$this->parse_structure($structure->parts[$related_part], true);
$this->parse_alternative = false;
// if plain part was found, we should unset it if html is preferred
if ($this->opt['prefer_html'] && count($this->parts))
$plain_part = null;
}
// choose html/plain part to print
if ($html_part !== null && $this->opt['prefer_html']) {
$print_part = &$structure->parts[$html_part];
}
else if ($enriched_part !== null) {
$print_part = &$structure->parts[$enriched_part];
}
else if ($plain_part !== null) {
$print_part = &$structure->parts[$plain_part];
}
// add the right message body
if (is_object($print_part)) {
$print_part->type = 'content';
$this->parts[] = $print_part;
}
// show plaintext warning
- else if ($html_part !== nullL && empty($this->parts)) {
+ else if ($html_part !== null && empty($this->parts)) {
$c = new stdClass;
$c->type = 'content';
$c->body = rcube_label('htmlmessage');
$c->ctype_primary = 'text';
$c->ctype_secondary = 'plain';
$this->parts[] = $c;
}
// add html part as attachment
if ($html_part !== null && $structure->parts[$html_part] !== $print_part) {
$html_part = &$structure->parts[$html_part];
$html_part->filename = rcube_label('htmlmessage');
$html_part->mimetype = 'text/html';
$this->attachments[] = $html_part;
}
}
// this is an ecrypted message -> create a plaintext body with the according message
else if ($message_ctype_primary == 'multipart' && $message_ctype_secondary == 'encrypted') {
$p = new stdClass;
$p->type = 'content';
$p->ctype_primary = 'text';
$p->ctype_secondary = 'plain';
$p->body = rcube_label('encryptedmessage');
$this->parts[] = $p;
}
// message contains multiple parts
else if (is_array($structure->parts) && !empty($structure->parts)) {
// iterate over parts
for ($i=0; $i < count($structure->parts); $i++) {
$mail_part = &$structure->parts[$i];
$primary_type = strtolower($mail_part->ctype_primary);
$secondary_type = strtolower($mail_part->ctype_secondary);
// multipart/alternative
if ($primary_type=='multipart') {
$this->parse_structure($mail_part, true);
}
// part text/[plain|html] OR message/delivery-status
else if (($primary_type == 'text' && ($secondary_type == 'plain' || $secondary_type == 'html') && $mail_part->disposition != 'attachment') ||
($primary_type == 'message' && ($secondary_type == 'delivery-status' || $secondary_type == 'disposition-notification'))) {
// add text part if we're not in alternative mode or if it matches the prefs
if (!$this->parse_alternative ||
($secondary_type == 'html' && $this->opt['prefer_html']) ||
($secondary_type == 'plain' && !$this->opt['prefer_html'])) {
$mail_part->type = 'content';
$this->parts[] = $mail_part;
}
// list as attachment as well
if (!empty($mail_part->filename))
$this->attachments[] = $mail_part;
}
// part message/*
else if ($primary_type=='message') {
$this->parse_structure($mail_part, true);
}
// ignore "virtual" protocol parts
else if ($primary_type == 'protocol')
continue;
// part is file/attachment
else if ($mail_part->disposition == 'attachment' || $mail_part->disposition == 'inline' ||
$mail_part->headers['content-id'] || (empty($mail_part->disposition) && $mail_part->filename)) {
// skip apple resource forks
if ($message_ctype_secondary == 'appledouble' && $secondary_type == 'applefile')
continue;
// part belongs to a related message
if ($message_ctype_secondary == 'related' && $mail_part->headers['content-id']) {
$mail_part->content_id = preg_replace(array('/^</', '/>$/'), '', $mail_part->headers['content-id']);
$this->inline_parts[] = $mail_part;
}
// is regular attachment
else {
if (!$mail_part->filename)
$mail_part->filename = 'Part '.$mail_part->mime_id;
$this->attachments[] = $mail_part;
}
}
}
// if this was a related part try to resolve references
if ($message_ctype_secondary == 'related' && sizeof($this->inline_parts)) {
$a_replaces = array();
foreach ($this->inline_parts as $inline_object) {
$a_replaces['cid:'.$inline_object->content_id] = $this->get_part_url($inline_object->mime_id);
}
// add replace array to each content part
// (will be applied later when part body is available)
foreach ($this->parts as $i => $part) {
if ($part->type == 'content')
$this->parts[$i]->replaces = $a_replaces;
}
}
}
// message is single part non-text
else if ($structure->filename) {
$this->attachments[] = $structure;
}
}
/**
* Fill aflat array with references to all parts, indexed by part numbers
*
* @param object rcube_message_part Message body structure
*/
private function get_mime_numbers(&$part)
{
if (strlen($part->mime_id))
$this->mime_parts[$part->mime_id] = &$part;
if (is_array($part->parts))
for ($i=0; $i<count($part->parts); $i++)
$this->get_mime_numbers($part->parts[$i]);
}
}

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