예제 #1
0
파일: Sync.php 프로젝트: raz0rsdge/horde
 /**
  * Helper method for parsing incoming SYNC_FOLDERS nodes.
  *
  */
 protected function _parseSyncFolders()
 {
     while ($this->_decoder->getElementStartTag(Horde_ActiveSync::SYNC_FOLDER)) {
         $collection = $this->_collections->getNewCollection();
         while (($folder_tag = $this->_decoder->getElementStartTag(Horde_ActiveSync::SYNC_FOLDERTYPE) ? Horde_ActiveSync::SYNC_FOLDERTYPE : ($this->_decoder->getElementStartTag(Horde_ActiveSync::SYNC_SYNCKEY) ? Horde_ActiveSync::SYNC_SYNCKEY : ($this->_decoder->getElementStartTag(Horde_ActiveSync::SYNC_FOLDERID) ? Horde_ActiveSync::SYNC_FOLDERID : ($this->_decoder->getElementStartTag(Horde_ActiveSync::SYNC_SUPPORTED) ? Horde_ActiveSync::SYNC_SUPPORTED : ($this->_decoder->getElementStartTag(Horde_ActiveSync::SYNC_DELETESASMOVES) ? Horde_ActiveSync::SYNC_DELETESASMOVES : ($this->_decoder->getElementStartTag(Horde_ActiveSync::SYNC_GETCHANGES) ? Horde_ActiveSync::SYNC_GETCHANGES : ($this->_decoder->getElementStartTag(Horde_ActiveSync::SYNC_WINDOWSIZE) ? Horde_ActiveSync::SYNC_WINDOWSIZE : ($this->_decoder->getElementStartTag(Horde_ActiveSync::SYNC_CONVERSATIONMODE) ? Horde_ActiveSync::SYNC_CONVERSATIONMODE : ($this->_decoder->getElementStartTag(Horde_ActiveSync::SYNC_OPTIONS) ? Horde_ActiveSync::SYNC_OPTIONS : ($this->_decoder->getElementStartTag(Horde_ActiveSync::SYNC_COMMANDS) ? Horde_ActiveSync::SYNC_COMMANDS : -1)))))))))) != -1) {
             switch ($folder_tag) {
                 case Horde_ActiveSync::SYNC_FOLDERTYPE:
                     // According to docs, in 12.1 this is sent here, in > 12.1
                     // it is NOT sent here, it is sent in the ADD command ONLY.
                     // BUT, I haven't seen any 12.1 client actually send this.
                     // Only < 12.1 - leave version sniffing out in this case.
                     $collection['class'] = $this->_decoder->getElementContent();
                     if (!$this->_decoder->getElementEndTag()) {
                         throw new Horde_ActiveSync_Exception('Protocol error');
                     }
                     break;
                 case Horde_ActiveSync::SYNC_SYNCKEY:
                     $collection['synckey'] = $this->_decoder->getElementContent();
                     if (!$this->_decoder->getElementEndTag()) {
                         throw new Horde_ActiveSync_Exception('Protocol error');
                     }
                     break;
                 case Horde_ActiveSync::SYNC_FOLDERID:
                     $collection['id'] = $this->_decoder->getElementContent();
                     if ($collection['id'] === false) {
                         // Log this case explicitly since we can't send back
                         // a protocol error status (the response requires a
                         // collection id and we obviously don't have one).
                         $this->_logger->err(sprintf('[%s] PROTOCOL ERROR. Client sent an empty SYNC_FOLDERID value.', $this->_procid));
                         throw new Horde_ActiveSync_Exception('Protocol error');
                     }
                     if (!$this->_decoder->getElementEndTag()) {
                         throw new Horde_ActiveSync_Exception('Protocol error');
                     }
                     break;
                 case Horde_ActiveSync::SYNC_WINDOWSIZE:
                     $collection['windowsize'] = $this->_decoder->getElementContent();
                     if (!$this->_decoder->getElementEndTag()) {
                         $this->_statusCode = self::STATUS_PROTERROR;
                         $this->_handleError($collection);
                         return false;
                     }
                     if ($collection['windowsize'] < 1 || $collection['windowsize'] > self::MAX_WINDOW_SIZE) {
                         $this->_logger->err(sprintf('[%s] Bad windowsize sent, defaulting to 512', $this->_procid));
                         $collection['windowsize'] = self::MAX_WINDOW_SIZE;
                     }
                     break;
                 case Horde_ActiveSync::SYNC_CONVERSATIONMODE:
                     // Optional element, but if it's present with an empty value
                     // it defaults to true.
                     $collection['conversationmode'] = $this->_decoder->getElementContent();
                     if ($collection['conversationmode'] !== false && !$this->_decoder->getElementEndTag()) {
                         throw new Horde_ActiveSync_Exception('Protocol Error');
                     } elseif ($collection['conversationmode'] === false) {
                         $collection['conversationmode'] = true;
                     }
                     break;
                 case Horde_ActiveSync::SYNC_SUPPORTED:
                     // Only allowed on initial sync request
                     if ($collection['synckey'] != '0') {
                         $this->_statusCode = self::STATUS_PROTERROR;
                         $this->_handleError($collection);
                         return false;
                     }
                     while (1) {
                         $el = $this->_decoder->getElement();
                         if ($el[Horde_ActiveSync_Wbxml::EN_TYPE] == Horde_ActiveSync_Wbxml::EN_TYPE_ENDTAG) {
                             break;
                         }
                         $collection['supported'][] = $el[2];
                     }
                     if (!empty($collection['supported'])) {
                         // Initial sync and we have SUPPORTED data - save it
                         if (empty($this->_device->supported)) {
                             $this->_device->supported = array();
                         }
                         // Not all clients send the $collection['class'] in more
                         // recent EAS versions. Grab it from the collection
                         // handler if needed.
                         if (empty($collection['class'])) {
                             $collection['class'] = $this->_collections->getCollectionClass($collection['id']);
                         }
                         $this->_device->supported[$collection['class']] = $collection['supported'];
                         $this->_device->save();
                     }
                     break;
                 case Horde_ActiveSync::SYNC_DELETESASMOVES:
                     // Optional element, but if it's present with an empty value
                     // it defaults to true.
                     $collection['deletesasmoves'] = $this->_decoder->getElementContent();
                     if ($collection['deletesasmoves'] !== false && !$this->_decoder->getElementEndTag()) {
                         throw new Horde_ActiveSync_Exception('Protocol Error');
                     } elseif ($collection['deletesasmoves'] === false) {
                         $collection['deletesasmoves'] = true;
                     }
                     break;
                 case Horde_ActiveSync::SYNC_GETCHANGES:
                     // Optional element, but if it's present with an empty value
                     // it defaults to true. Also, not sent by EAS 14
                     $collection['getchanges'] = $this->_decoder->getElementContent();
                     if ($collection['getchanges'] !== false && !$this->_decoder->getElementEndTag()) {
                         throw new Horde_ActiveSync_Exception('Protocol Error');
                     } elseif ($collection['getchanges'] === false) {
                         $collection['getchanges'] = true;
                     }
                     break;
                 case Horde_ActiveSync::SYNC_OPTIONS:
                     if (!$this->_decoder->isEmptyElement($this->_decoder->getLastStartElement())) {
                         $this->_parseSyncOptions($collection);
                     }
                     break;
                 case Horde_ActiveSync::SYNC_COMMANDS:
                     if (!$this->_parseSyncCommands($collection)) {
                         return false;
                     }
             }
         }
         if (!$this->_decoder->getElementEndTag()) {
             $this->_statusCode = self::STATUS_PROTERROR;
             $this->_handleError($collection);
             return false;
         }
         if (isset($collection['filtertype']) && !$this->_collections->checkFilterType($collection['id'], $collection['filtertype'])) {
             $this->_logger->info(sprintf('[%s] Found updated filtertype, will force a SOFTDELETE.', $this->_procid));
             $collection['forcerefresh'] = true;
         }
         try {
             $this->_collections->addCollection($collection);
         } catch (Horde_ActiveSync_Exception_StateGone $e) {
             $this->_statusCode = self::STATUS_FOLDERSYNC_REQUIRED;
             $this->_handleError($collection);
             return false;
         } catch (Horde_ActiveSync_Exception $e) {
             $this->_statusCode = self::STATUS_SERVERERROR;
             $this->_handleError($collection);
             return false;
         }
         if (!empty($collection['importedchanges'])) {
             $this->_collections->importedChanges = true;
         }
         if ($this->_collections->collectionExists($collection['id']) && !empty($collection['windowsize'])) {
             $this->_collections->updateWindowSize($collection['id'], $collection['windowsize']);
         }
     }
     if (!$this->_decoder->getElementEndTag()) {
         $this->_logger->err('Parsing Error');
         return false;
     }
     return true;
 }