1: <?php
  2: /**
  3:  * Copyright 2003-2014 Horde LLC (http://www.horde.org/)
  4:  *
  5:  * See the enclosed file COPYING for license information (GPL). If you
  6:  * did not receive this file, see http://www.horde.org/licenses/gpl.
  7:  *
  8:  * @category  Horde
  9:  * @copyright 2003-2014 Horde LLC
 10:  * @license   http://www.horde.org/licenses/gpl GPL
 11:  * @package   IMP
 12:  */
 13: 
 14: /**
 15:  * Renderer for message/partial data (RFC 2046 [5.2.2]).
 16:  *
 17:  * @author    Michael Slusarz <slusarz@horde.org>
 18:  * @category  Horde
 19:  * @copyright 2003-2014 Horde LLC
 20:  * @license   http://www.horde.org/licenses/gpl GPL
 21:  * @package   IMP
 22:  */
 23: class IMP_Mime_Viewer_Partial extends Horde_Mime_Viewer_Base
 24: {
 25:     /**
 26:      * This driver's display capabilities.
 27:      *
 28:      * @var array
 29:      */
 30:     protected $_capability = array(
 31:         'full' => false,
 32:         'info' => true,
 33:         'inline' => false,
 34:         'raw' => false
 35:     );
 36: 
 37:     /**
 38:      * Metadata for the current viewer/data.
 39:      *
 40:      * @var array
 41:      */
 42:     protected $_metadata = array(
 43:         'compressed' => false,
 44:         'embedded' => true,
 45:         'forceinline' => true
 46:     );
 47: 
 48:     /**
 49:      * Return the rendered information about the Horde_Mime_Part object.
 50:      *
 51:      * @return array  See parent::render().
 52:      */
 53:     protected function _renderInfo()
 54:     {
 55:         $cache = $this->getConfigParam('imp_contents')->getViewCache();
 56:         $id = $this->_mimepart->getMimeId();
 57: 
 58:         if (isset($cache->partial) && isset($cache->partial[$id])) {
 59:             return array(
 60:                 $id => array(
 61:                     'data' => null,
 62:                     'status' => $cache->partial[$id],
 63:                     'type' => 'text/plain; charset=' . $this->getConfigParam('charset')
 64:                 )
 65:             );
 66:         } else {
 67:             return array($id => null);
 68:         }
 69:     }
 70: 
 71:     /**
 72:      * If this MIME part can contain embedded MIME part(s), and those part(s)
 73:      * exist, return a representation of that data.
 74:      *
 75:      * @return mixed  A Horde_Mime_Part object representing the embedded data.
 76:      *                Returns null if no embedded MIME part(s) exist.
 77:      */
 78:     protected function _getEmbeddedMimeParts()
 79:     {
 80:         $id = $this->_mimepart->getContentTypeParameter('id');
 81:         $number = $this->_mimepart->getContentTypeParameter('number');
 82:         $total = $this->_mimepart->getContentTypeParameter('total');
 83: 
 84:         if (is_null($id) || is_null($number) || is_null($total)) {
 85:             return null;
 86:         }
 87: 
 88:         /* Perform the search to find the other parts of the message. */
 89:         $query = new Horde_Imap_Client_Search_Query();
 90:         $query->headerText('Content-Type', $id);
 91:         $indices = $this->getConfigParam('imp_contents')->getMailbox()->runSearchQuery($query);
 92: 
 93:         /* If not able to find the other parts of the message, prepare a
 94:          * status message. */
 95:         $msg_count = count($indices);
 96:         if ($msg_count != $total) {
 97:             $status = new IMP_Mime_Status(sprintf(_("Cannot display message - found only %s of %s parts of this message in the current mailbox."), $msg_count, $total));
 98:             $status->action(IMP_Mime_Status::ERROR);
 99: 
100:             $cache = $this->getConfigParam('imp_contents')->getViewCache();
101:             $cache->partial[$this->_mimepart->getMimeId()] = $status;
102: 
103:             return null;
104:         }
105: 
106:         /* Get the contents of each of the parts. */
107:         $parts = array();
108:         foreach ($indices as $ob) {
109:             foreach ($ob->uids as $val) {
110:                 /* No need to fetch the current part again. */
111:                 if ($val == $number) {
112:                     $parts[$number] = $this->_mimepart->getContents();
113:                 } else {
114:                     $ic = $GLOBALS['injector']->getInstance('IMP_Factory_Contents')->create($ob->mbox->getIndicesOb($val));
115:                     $parts[$ic->getMIMEMessage()->getContentTypeParameter('number')] = $ic->getBody();
116:                 }
117:             }
118:         }
119: 
120:         /* Sort the parts in numerical order. */
121:         ksort($parts, SORT_NUMERIC);
122: 
123:         /* Combine the parts. */
124:         $mime_part = Horde_Mime_Part::parseMessage(implode('', $parts), array('forcemime' => true));
125: 
126:         return ($mime_part === false)
127:             ? null
128:             : $mime_part;
129:     }
130: 
131: }
132: