alecpl
2009-08-29 e83f035887e3a463568465673ae92f365788c2a5
program/include/rcube_message.php
@@ -5,7 +5,7 @@
 | program/include/rcube_message.php                                     |
 |                                                                       |
 | This file is part of the RoundCube Webmail client                     |
 | Copyright (C) 2008, RoundCube Dev. - Switzerland                      |
 | Copyright (C) 2008-2009, RoundCube Dev. - Switzerland                 |
 | Licensed under the GNU GPL                                            |
 |                                                                       |
 | PURPOSE:                                                              |
@@ -45,32 +45,48 @@
  public $sender = null;
  public $is_safe = false;
  
  /**
   * __construct
   *
   * Provide a uid, and parse message structure.
   *
   * @param string $uid The message UID.
   *
   * @uses rcmail::get_instance()
   * @uses rcube_imap::decode_mime_string()
   * @uses self::set_safe()
   *
   * @see self::$app, self::$imap, self::$opt, self::$structure
   */
  function __construct($uid)
  {
    $this->app = rcmail::get_instance();
    $this->imap = $this->app->imap;
    
    $this->uid = $uid;
    $this->headers = $this->imap->get_headers($uid);
    $this->headers = $this->imap->get_headers($uid, NULL, true, true);
    $this->subject = rcube_imap::decode_mime_string($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)) {
    if ($this->structure = $this->imap->get_structure($uid, $this->headers->body_structure)) {
      $this->get_mime_numbers($this->structure);
      $this->parse_structure($this->structure);
    }
    else {
      $this->body = $this->imap->get_body($uid);
    }
    // notify plugins and let them analyze this structured message object
    $this->app->plugins->exec_hook('message_load', array('object' => $this));
  }
  
  
@@ -117,12 +133,13 @@
   * Get content of a specific part of this message
   *
   * @param string Part MIME-ID
   * @param resource File pointer to save the message part
   * @return string Part content
   */
  public function get_part_content($mime_id)
  public function get_part_content($mime_id, $fp=NULL)
  {
    if ($part = $this->mime_parts[$mime_id])
      return $this->imap->get_message_part($this->uid, $mime_id, $part);
      return $this->imap->get_message_part($this->uid, $mime_id, $part, NULL, $fp);
    else
      return null;
  }
@@ -152,17 +169,13 @@
   */
  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 $this->imap->get_message_part($this->uid, $mime_id, $part);
      }
    }
    return $html_part;
  }
@@ -230,6 +243,11 @@
      $structure->type = 'content';
      $this->parts[] = &$structure;
    }
    // the same for pgp signed messages
    else if ($message_ctype_primary == 'application' && $message_ctype_secondary == 'pgp' && !$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
@@ -247,7 +265,7 @@
          $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' || $sub_ctype_secondary=='mixed'))
        else if ($sub_ctype_primary=='multipart' && in_array($sub_ctype_secondary, array('related', 'mixed', 'alternative')))
          $related_part = $p;
      }
@@ -305,8 +323,16 @@
      $p->ctype_primary = 'text';
      $p->ctype_secondary = 'plain';
      $p->body = rcube_label('encryptedmessage');
      $p->size = strlen($p->body);
      
      $this->parts[] = $p;
      // maybe some plugins are able to decode this encrypted message part
      $data = $this->app->plugins->exec_hook('message_part_encrypted', array('object' => $this, 'struct' => $structure, 'part' => $p));
      if (is_array($data['parts'])) {
        $this->parts = array_merge($this->parts, $data['parts']);
      }
      else if ($data['part']) {
        $this->parts[] = $p;
      }
    }
    // message contains multiple parts
    else if (is_array($structure->parts) && !empty($structure->parts)) {
@@ -323,7 +349,7 @@
        // part text/[plain|html] OR message/delivery-status
        else if (($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']) ||
@@ -331,7 +357,7 @@
            $mail_part->type = 'content';
            $this->parts[] = $mail_part;
          }
          // list as attachment as well
          if (!empty($mail_part->filename))
            $this->attachments[] = $mail_part;
@@ -339,29 +365,44 @@
        // part message/*
        else if ($primary_type=='message') {
          $this->parse_structure($mail_part, true);
          // list as attachment as well (mostly .eml)
          if (!empty($mail_part->filename))
            $this->attachments[] = $mail_part;
        }
        // ignore "virtual" protocol parts
        else if ($primary_type == 'protocol')
          continue;
        // part is Microsoft Outlook TNEF (winmail.dat)
        else if ($primary_type == 'application' && $secondary_type == 'ms-tnef') {
          foreach ((array)$this->imap->tnef_decode($mail_part, $structure->headers['uid']) as $tnef_part) {
            $this->mime_parts[$tnef_part->mime_id] = $tnef_part;
            $this->attachments[] = $tnef_part;
          }
        }
        // part is file/attachment
        else if ($mail_part->disposition == 'attachment' || $mail_part->disposition == 'inline' ||
        // part is a file/attachment
        else if (preg_match('/^(inline|attach)/', $mail_part->disposition) ||
                 $mail_part->headers['content-id'] || (empty($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']) {
            $mail_part->content_id = preg_replace(array('/^</', '/>$/'), '', $mail_part->headers['content-id']);
          // part belongs to a related message and is linked
          if ($message_ctype_secondary == 'related'
              && preg_match('!^image/!', $mail_part->mimetype)
              && ($mail_part->headers['content-id'] || $mail_part->headers['content-location'])) {
            if ($mail_part->headers['content-id'])
              $mail_part->content_id = preg_replace(array('/^</', '/>$/'), '', $mail_part->headers['content-id']);
            if ($mail_part->headers['content-location'])
              $mail_part->content_location = $mail_part->headers['content-base'] . $mail_part->headers['content-location'];
            $this->inline_parts[] = $mail_part;
          }
          else if ($message_ctype_secondary == 'related' && $mail_part->headers['content-location']) {
            $mail_part->content_location = $mail_part->headers['content-base'] . $mail_part->headers['content-location'];
            $this->inline_parts[] = $mail_part;
          }
          // is regular attachment
          else {
          // is a regular attachment
          else if (preg_match('!^[a-z]+/[a-z0-9-.]+$!i', $mail_part->mimetype)) {
            if (!$mail_part->filename)
              $mail_part->filename = 'Part '.$mail_part->mime_id;
            $this->attachments[] = $mail_part;