PHP Horde_Imap_Client_Fetch_Query::uid方法代码示例

 public function getMessages($from = 0, $count = 2)
 {
     $total = $this->getTotalMessages();
     if ($from + $count > $total) {
         $count = $total - $from;
     }
     $headers = array();
     $fetch_query = new \Horde_Imap_Client_Fetch_Query();
     $fetch_query->envelope();
     $fetch_query->flags();
     $fetch_query->seq();
     $fetch_query->size();
     $fetch_query->uid();
     $fetch_query->imapDate();
     $headers = array_merge($headers, array('importance', 'list-post', 'x-priority'));
     $headers[] = 'content-type';
     $fetch_query->headers('imp', $headers, array('cache' => true, 'peek' => true));
     $opt = array('ids' => $from + 1 . ':' . ($from + 1 + $count));
     $opt = array();
     // $list is an array of Horde_Imap_Client_Data_Fetch objects.
     $headers = $this->conn->fetch($this->folder_id, $fetch_query, $opt);
     ob_start();
     // fix for Horde warnings
     $messages = array();
     foreach ($headers as $message_id => $header) {
         $message = new Message($this->conn, $this->folder_id, $message_id);
         $message->setInfo($header);
         $messages[] = $message->getListArray();
     }
     ob_clean();
     return $messages;
 }

 /**
  * Renames the old sent-mail mailboxes.
  *
  * Mailbox name: sent-mail-month-year
  *   month = English:         3 letter abbreviation
  *           Other Languages: Month value (01-12)
  *   year  = 4 digit year
  *
  * The mailbox name needs to be in this specific format (as opposed to a
  * user-defined one) to ensure that 'delete_sentmail_monthly' processing
  * can accurately find all the old sent-mail mailboxes.
  *
  * @return boolean  Whether all sent-mail mailboxes were renamed.
  */
 public function execute()
 {
     global $notification;
     $date_format = substr($GLOBALS['language'], 0, 2) == 'en' ? 'M-Y' : 'm-Y';
     $datetime = new DateTime();
     $now = $datetime->format($date_format);
     foreach ($this->_getSentmail() as $sent) {
         /* Display a message to the user and rename the mailbox.
          * Only do this if sent-mail mailbox currently exists. */
         if ($sent->exists) {
             $notification->push(sprintf(_("\"%s\" mailbox being renamed at the start of the month."), $sent->display), 'horde.message');
             $query = new Horde_Imap_Client_Fetch_Query();
             $query->imapDate();
             $query->uid();
             $imp_imap = $sent->imp_imap;
             $res = $imp_imap->fetch($sent, $query);
             $msgs = array();
             foreach ($res as $val) {
                 $date_string = $val->getImapDate()->format($date_format);
                 if (!isset($msgs[$date_string])) {
                     $msgs[$date_string] = $imp_imap->getIdsOb();
                 }
                 $msgs[$date_string]->add($val->getUid());
             }
             unset($msgs[$now]);
             foreach ($msgs as $key => $val) {
                 $new_mbox = IMP_Mailbox::get(strval($sent) . '-' . Horde_String::lower($key));
                 $imp_imap->copy($sent, $new_mbox, array('create' => true, 'ids' => $val, 'move' => true));
             }
         }
     }
     return true;
 }

 /**
  */
 public function fetchEnvelope($indices)
 {
     if ($GLOBALS['registry']->hasMethod('mail/imapOb')) {
         $query = new Horde_Imap_Client_Fetch_Query();
         $query->envelope();
         $query->uid();
         try {
             return $GLOBALS['registry']->call('mail/imapOb')->fetch($this->_getMboxOb(), $query, array('ids' => new Horde_Imap_Client_Ids($indices)));
         } catch (Horde_Imap_Client_Exception $e) {
         }
     }
     return false;
 }

 public function getMessages($from = 0, $count = 2, $filter = '')
 {
     if ($filter instanceof Horde_Imap_Client_Search_Query) {
         $query = $filter;
     } else {
         $query = new Horde_Imap_Client_Search_Query();
         if ($filter) {
             $query->text($filter, false);
         }
     }
     if ($this->getSpecialRole() !== 'trash') {
         $query->flag(Horde_Imap_Client::FLAG_DELETED, false);
     }
     $result = $this->conn->search($this->mailBox, $query, ['sort' => [Horde_Imap_Client::SORT_DATE]]);
     $ids = array_reverse($result['match']->ids);
     if ($from >= 0 && $count >= 0) {
         $ids = array_slice($ids, $from, $count);
     }
     $ids = new \Horde_Imap_Client_Ids($ids, false);
     $headers = [];
     $fetch_query = new \Horde_Imap_Client_Fetch_Query();
     $fetch_query->envelope();
     $fetch_query->flags();
     $fetch_query->size();
     $fetch_query->uid();
     $fetch_query->imapDate();
     $fetch_query->structure();
     $headers = array_merge($headers, ['importance', 'list-post', 'x-priority']);
     $headers[] = 'content-type';
     $fetch_query->headers('imp', $headers, ['cache' => true, 'peek' => true]);
     $options = ['ids' => $ids];
     // $list is an array of Horde_Imap_Client_Data_Fetch objects.
     $headers = $this->conn->fetch($this->mailBox, $fetch_query, $options);
     ob_start();
     // fix for Horde warnings
     $messages = [];
     foreach ($headers->ids() as $message_id) {
         $header = $headers[$message_id];
         $message = new Message($this->conn, $this->mailBox, $message_id, $header);
         $messages[] = $message->getListArray();
     }
     ob_get_clean();
     // sort by time
     usort($messages, function ($a, $b) {
         return $a['dateInt'] < $b['dateInt'];
     });
     return $messages;
 }

 private function getmsg()
 {
     $headers = array();
     $fetch_query = new \Horde_Imap_Client_Fetch_Query();
     $fetch_query->envelope();
     //		$fetch_query->fullText();
     $fetch_query->bodyText();
     $fetch_query->flags();
     $fetch_query->seq();
     $fetch_query->size();
     $fetch_query->uid();
     $fetch_query->imapDate();
     $headers = array_merge($headers, array('importance', 'list-post', 'x-priority'));
     $headers[] = 'content-type';
     $fetch_query->headers('imp', $headers, array('cache' => true, 'peek' => true));
     // $list is an array of Horde_Imap_Client_Data_Fetch objects.
     $ids = new \Horde_Imap_Client_Ids($this->message_id);
     $headers = $this->conn->fetch($this->folder_id, $fetch_query, array('ids' => $ids));
     $this->plainmsg = $headers[$this->message_id]->getBodyText();
     //
     //		// HEADER
     //		$this->header = $this->conn->fetchHeader($this->folder_id, $this->message_id);
     //
     //		// BODY
     //		$bodystructure= $this->conn->getStructure($this->folder_id, $this->message_id);
     //		$a= \rcube_imap_generic::getStructurePartData($bodystructure, 0);
     //		if ($a['type'] == 'multipart') {
     //			for ($i=0; $i < count($bodystructure); $i++) {
     //				if (!is_array($bodystructure[$i]))
     //					break;
     //				$this->getpart($bodystructure[$i],$i+1);
     //			}
     //		} else {
     //			// get part no 1
     //			$this->getpart($bodystructure,1);
     //		}
 }

 /**
  */
 protected function _status($mboxes, $flags)
 {
     $out = $to_process = array();
     $pipeline = $this->_pipeline();
     $unseen_flags = array(Horde_Imap_Client::STATUS_FIRSTUNSEEN, Horde_Imap_Client::STATUS_UNSEEN);
     foreach ($mboxes as $mailbox) {
         /* If FLAGS/PERMFLAGS/UIDNOTSTICKY/FIRSTUNSEEN are needed, we must
          * do a SELECT/EXAMINE to get this information (data will be
          * caught in the code below). */
         if ($flags & Horde_Imap_Client::STATUS_FIRSTUNSEEN || $flags & Horde_Imap_Client::STATUS_FLAGS || $flags & Horde_Imap_Client::STATUS_PERMFLAGS || $flags & Horde_Imap_Client::STATUS_UIDNOTSTICKY) {
             $this->openMailbox($mailbox);
         }
         $mbox_ob = $this->_mailboxOb($mailbox);
         $data = $query = array();
         foreach ($this->_statusFields as $key => $val) {
             if (!($val & $flags)) {
                 continue;
             }
             if ($val == Horde_Imap_Client::STATUS_HIGHESTMODSEQ) {
                 /* Don't include modseq returns if server does not support
                  * it. */
                 if (!$this->queryCapability('CONDSTORE')) {
                     continue;
                 }
                 /* Even though CONDSTORE is available, it may not yet have
                  * been enabled. */
                 if (!isset($this->_temp['enabled']['CONDSTORE'])) {
                     $this->_enabled(array('CONDSTORE'), 2);
                 }
             }
             if ($mailbox->equals($this->_selected)) {
                 if (!is_null($tmp = $mbox_ob->getStatus($val))) {
                     $data[$key] = $tmp;
                 } elseif ($val == Horde_Imap_Client::STATUS_UIDNEXT && $flags & Horde_Imap_Client::STATUS_UIDNEXT_FORCE) {
                     /* UIDNEXT is not mandatory. */
                     if ($mbox_ob->getStatus(Horde_Imap_Client::STATUS_MESSAGES) == 0) {
                         $data[$key] = 0;
                     } else {
                         $fquery = new Horde_Imap_Client_Fetch_Query();
                         $fquery->uid();
                         $fetch_res = $this->fetch($this->_selected, $fquery, array('ids' => $this->getIdsOb(Horde_Imap_Client_Ids::LARGEST)));
                         $data[$key] = $fetch_res->first()->getUid() + 1;
                     }
                 } elseif (in_array($val, $unseen_flags)) {
                     /* RFC 3501 [6.3.1] - FIRSTUNSEEN information is not
                      * mandatory. If missing in EXAMINE/SELECT results, we
                      * need to do a search. An UNSEEN count also requires
                      * a search. */
                     $squery = new Horde_Imap_Client_Search_Query();
                     $squery->flag(Horde_Imap_Client::FLAG_SEEN, false);
                     $search = $this->search($mailbox, $squery, array('results' => array(Horde_Imap_Client::SEARCH_RESULTS_MIN, Horde_Imap_Client::SEARCH_RESULTS_COUNT), 'sequence' => true));
                     $mbox_ob->setStatus(Horde_Imap_Client::STATUS_FIRSTUNSEEN, $search['min']);
                     $mbox_ob->setStatus(Horde_Imap_Client::STATUS_UNSEEN, $search['count']);
                     $data[$key] = $mbox_ob->getStatus($val);
                 }
             } else {
                 $query[] = $key;
             }
         }
         $out[strval($mailbox)] = $data;
         if (count($query)) {
             $pipeline->add($this->_command('STATUS')->add(array(new Horde_Imap_Client_Data_Format_Mailbox($mailbox), new Horde_Imap_Client_Data_Format_List(array_map('strtoupper', $query)))));
             $to_process[] = array($query, $mailbox);
         }
     }
     if (count($pipeline)) {
         $this->_sendCmd($pipeline);
         foreach ($to_process as $val) {
             $out[strval($val[1])] += $this->_prepareStatusResponse($val[0], $val[1]);
         }
     }
     return $out;
 }

 /**
  * Build the array of message information.
  *
  * @param array $msgnum   An array of index numbers.
  * @param array $options  Additional options:
  *   - headers: (boolean) Return info on the non-envelope headers
  *              'Importance', 'List-Post', and 'X-Priority'.
  *              DEFAULT: false (only envelope headers returned)
  *   - preview: (mixed) Include preview information?  If empty, add no
  *              preview information. If 1, uses value from prefs.
  *              If 2, forces addition of preview info.
  *              DEFAULT: No preview information.
  *   - type: (boolean) Return info on the MIME Content-Type of the base
  *           message part ('Content-Type' header).
  *           DEFAULT: false
  *
  * @return array  An array with the following keys:
  *   - overview: (array) The overview information. Contains the following:
  *   - envelope: (Horde_Imap_Client_Data_Envelope) Envelope information
  *               returned from the IMAP server.
  *   - flags: (array) The list of IMAP flags returned from the server.
  *   - headers: (array) Horde_Mime_Headers objects containing header data
  *              if either $options['headers'] or $options['type'] are
  *              true.
  *   - idx: (integer) Array index of this message.
  *   - mailbox: (string) The mailbox containing the message.
  *   - preview: (string) If requested in $options['preview'], the preview
  *              text.
  *   - previewcut: (boolean) Has the preview text been cut?
  *   - size: (integer) The size of the message in bytes.
  *   - uid: (string) The unique ID of the message.
  *   - uids: (IMP_Indices) An indices object.
  */
 public function getMailboxArray($msgnum, $options = array())
 {
     $this->_buildMailbox();
     $headers = $overview = $to_process = $uids = array();
     /* Build the list of mailboxes and messages. */
     foreach ($msgnum as $i) {
         /* Make sure that the index is actually in the slice of messages
            we're looking at. If we're hiding deleted messages, for
            example, there may be gaps here. */
         if (isset($this->_sorted[$i - 1])) {
             $to_process[strval($this->_getMbox($i - 1))][$i] = $this->_sorted[$i - 1];
         }
     }
     $fetch_query = new Horde_Imap_Client_Fetch_Query();
     $fetch_query->envelope();
     $fetch_query->flags();
     $fetch_query->size();
     $fetch_query->uid();
     if (!empty($options['headers'])) {
         $headers = array_merge($headers, array('importance', 'list-post', 'x-priority'));
     }
     if (!empty($options['type'])) {
         $headers[] = 'content-type';
     }
     if (!empty($headers)) {
         $fetch_query->headers('imp', $headers, array('cache' => true, 'peek' => true));
     }
     if (empty($options['preview'])) {
         $cache = null;
         $options['preview'] = 0;
     } else {
         $cache = $this->_mailbox->imp_imap->getCache();
     }
     /* Retrieve information from each mailbox. */
     foreach ($to_process as $mbox => $ids) {
         try {
             $imp_imap = IMP_Mailbox::get($mbox)->imp_imap;
             $fetch_res = $imp_imap->fetch($mbox, $fetch_query, array('ids' => $imp_imap->getIdsOb($ids)));
             if ($options['preview']) {
                 $preview_info = $tostore = array();
                 if ($cache) {
                     try {
                         $preview_info = $cache->get($mbox, $ids, array('IMPpreview', 'IMPpreviewc'));
                     } catch (IMP_Imap_Exception $e) {
                     }
                 }
             }
             $mbox_ids = array();
             foreach ($ids as $k => $v) {
                 if (!isset($fetch_res[$v])) {
                     continue;
                 }
                 $f = $fetch_res[$v];
                 $uid = $f->getUid();
                 $v = array('envelope' => $f->getEnvelope(), 'flags' => $f->getFlags(), 'headers' => $f->getHeaders('imp', Horde_Imap_Client_Data_Fetch::HEADER_PARSE), 'idx' => $k, 'mailbox' => $mbox, 'size' => $f->getSize(), 'uid' => $uid);
                 if ($options['preview'] === 2 || $options['preview'] === 1 && (!$GLOBALS['prefs']->getValue('preview_show_unread') || !in_array(Horde_Imap_Client::FLAG_SEEN, $v['flags']))) {
                     if (empty($preview_info[$uid])) {
                         try {
                             $imp_contents = $GLOBALS['injector']->getInstance('IMP_Factory_Contents')->create(new IMP_Indices($mbox, $uid));
                             $prev = $imp_contents->generatePreview();
                             $preview_info[$uid] = array('IMPpreview' => $prev['text'], 'IMPpreviewc' => $prev['cut']);
                             if (!is_null($cache)) {
                                 $tostore[$uid] = $preview_info[$uid];
                             }
                         } catch (Exception $e) {
                             $preview_info[$uid] = array('IMPpreview' => '', 'IMPpreviewc' => false);
                         }
//.........这里部分代码省略.........

 private function loadMessageBodies()
 {
     $headers = array();
     $fetch_query = new \Horde_Imap_Client_Fetch_Query();
     $fetch_query->envelope();
     $fetch_query->structure();
     $fetch_query->flags();
     $fetch_query->seq();
     $fetch_query->size();
     $fetch_query->uid();
     $fetch_query->imapDate();
     $headers = array_merge($headers, array('importance', 'list-post', 'x-priority'));
     $headers[] = 'content-type';
     $fetch_query->headers('imp', $headers, array('cache' => true, 'peek' => true));
     // $list is an array of Horde_Imap_Client_Data_Fetch objects.
     $ids = new \Horde_Imap_Client_Ids($this->message_id);
     $headers = $this->conn->fetch($this->folder_id, $fetch_query, array('ids' => $ids));
     $fetch = $headers[$this->message_id];
     // set $this->fetch to get to, from ...
     $this->fetch = $fetch;
     // analyse the body part
     $structure = $fetch->getStructure();
     // debugging below
     $structure_type = $structure->getPrimaryType();
     if ($structure_type == 'multipart') {
         $i = 1;
         foreach ($structure->getParts() as $p) {
             $this->getpart($p, $i++);
         }
     } else {
         if ($structure->findBody() != null) {
             // get the body from the server
             $partId = $structure->findBody();
             $this->queryBodyPart($partId);
         }
     }
 }

 /**
  * @depends testOptimizedSearches
  */
 public function testComplexFetch()
 {
     // Fetching message information from complex MIME message.
     $complex_fetch = new Horde_Imap_Client_Fetch_Query();
     $complex_fetch->fullText(array('length' => 100, 'peek' => true));
     // Header of entire message
     $complex_fetch->headerText(array('length' => 100, 'peek' => true));
     // Header of message/rfc822 part
     $complex_fetch->headerText(array('id' => 2, 'length' => 100, 'peek' => true));
     // Body text of entire message
     $complex_fetch->bodyText(array('length' => 100, 'peek' => true));
     // Body text of message/rfc822 part
     $complex_fetch->bodyText(array('id' => 2, 'length' => 100, 'peek' => true));
     // MIME Header of multipart/alternative part
     $complex_fetch->mimeHeader('1', array('length' => 100, 'peek' => true));
     // MIME Header of text/plain part embedded in message/rfc822 part
     $complex_fetch->mimeHeader('2.1', array('length' => 100, 'peek' => true));
     // Body text of multipart/alternative part
     $complex_fetch->bodyPart('1', array('length' => 100, 'peek' => true));
     // Body text of image/png part embedded in message/rfc822 part
     // Try to do server-side decoding, if available
     $complex_fetch->mimeHeader('2.2', array('decode' => true, 'length' => 100, 'peek' => true));
     // If supported, return decoded body part size
     $complex_fetch->bodyPartSize('2.2');
     // Select message-id header from base message header
     $complex_fetch->headers('headersearch1', array('message-id'), array('length' => 100, 'peek' => true));
     // Select everything but message-id header from message/rfc822 header
     $complex_fetch->headers('headersearch2', array('message-id'), array('id' => '2', 'length' => 100, 'notsearch' => true, 'peek' => true));
     $complex_fetch->structure();
     $complex_fetch->flags();
     $complex_fetch->imapDate();
     $complex_fetch->size();
     $complex_fetch->uid();
     if (self::$live->capability->query('CONDSTORE')) {
         $complex_fetch->modseq();
     }
     try {
         $res = self::$live->fetch(self::$test_mbox, $complex_fetch, array('ids' => new Horde_Imap_Client_Ids(3, true)));
     } catch (Horde_Imap_Client_Exception $e) {
         if ($e->getCode() === $e::MBOXNOMODSEQ) {
             $this->markTestSkipped('Mailbox does not support MODSEQ.');
         }
         throw $e;
     }
     $this->assertInstanceOf('Horde_Imap_Client_Fetch_Results', $res);
     $this->assertEquals(1, count($res));
     $this->assertEquals('Message-ID: <2008yhnujm@foo.example.com>', trim($res[3]->getHeaders('headersearch1')));
     /* Return stream instead. */
     $this->assertInternalType('resource', $res[3]->getHeaders('headersearch1', Horde_Imap_Client_Data_Fetch::HEADER_STREAM));
     /* Parse headers instead. */
     $this->assertInstanceOf('Horde_Mime_Headers', $res[3]->getHeaders('headersearch1', Horde_Imap_Client_Data_Fetch::HEADER_PARSE));
 }

 /**
  * Build the array of message information.
  *
  * @param array $msgnum   An array of index numbers.
  *
  * @return array  An array with the following keys:
  * <pre>
  *   - overview: (array) The overview information. Contains the following:
  *     - envelope: (Horde_Imap_Client_Data_Envelope) Envelope information
  *                 returned from the IMAP server.
  *     - flags: (array) The list of IMAP flags returned from the server.
  *     - headers: (array) Horde_Mime_Headers objects containing header
  *                data for non-envelope headers.
  *     - idx: (integer) Array index of this message.
  *     - mailbox: (string) The mailbox containing the message.
  *     - size: (integer) The size of the message in bytes.
  *     - uid: (string) The unique ID of the message.
  *   - uids: (IMP_Indices) An indices object.
  * </pre>
  */
 public function getMailboxArray($msgnum)
 {
     $this->_buildMailbox();
     $overview = $to_process = $uids = array();
     /* Build the list of mailboxes and messages. */
     foreach ($msgnum as $i) {
         /* Make sure that the index is actually in the slice of messages
            we're looking at. If we're hiding deleted messages, for
            example, there may be gaps here. */
         if (isset($this->_sorted[$i - 1])) {
             $to_process[strval($this->_getMbox($i - 1))][$i] = $this->_sorted[$i - 1];
         }
     }
     $fetch_query = new Horde_Imap_Client_Fetch_Query();
     $fetch_query->envelope();
     $fetch_query->flags();
     $fetch_query->size();
     $fetch_query->uid();
     $fetch_query->headers('imp', array_merge(self::$headersUsed, IMP_Contents_Message::$headersUsed), array('cache' => true, 'peek' => true));
     /* Retrieve information from each mailbox. */
     foreach ($to_process as $mbox => $ids) {
         try {
             $imp_imap = IMP_Mailbox::get($mbox)->imp_imap;
             if ($imp_imap->config->atc_structure) {
                 $query = clone $fetch_query;
                 $query->structure();
             } else {
                 $query = $fetch_query;
             }
             $fetch_res = $imp_imap->fetch($mbox, $query, array('ids' => $imp_imap->getIdsOb($ids)));
             $mbox_ids = array();
             foreach ($ids as $k => $v) {
                 if (!isset($fetch_res[$v])) {
                     continue;
                 }
                 $f = $fetch_res[$v];
                 $uid = $f->getUid();
                 $v = array('envelope' => $f->getEnvelope(), 'flags' => $f->getFlags(), 'headers' => $f->getHeaders('imp', Horde_Imap_Client_Data_Fetch::HEADER_PARSE), 'idx' => $k, 'mailbox' => $mbox, 'size' => $f->getSize(), 'structure' => $f->getStructure(), 'uid' => $uid);
                 $overview[] = $v;
                 $mbox_ids[] = $uid;
             }
             $uids[$mbox] = $mbox_ids;
         } catch (IMP_Imap_Exception $e) {
         }
     }
     return array('overview' => $overview, 'uids' => new IMP_Indices($uids));
 }

 /**
  * Fetch message data (see RFC 3501 [6.4.5]).
  *
  * @param mixed $mailbox                        The mailbox to search.
  *                                              Either a
  *                                              Horde_Imap_Client_Mailbox
  *                                              object or a string (UTF-8).
  * @param Horde_Imap_Client_Fetch_Query $query  Fetch query object.
  * @param array $options                        Additional options:
  *   - changedsince: (integer) Only return messages that have a
  *                   mod-sequence larger than this value. This option
  *                   requires the CONDSTORE IMAP extension (if not present,
  *                   this value is ignored). Additionally, the mailbox
  *                   must support mod-sequences or an exception will be
  *                   thrown. If valid, this option implicity adds the
  *                   mod-sequence fetch criteria to the fetch command.
  *                   DEFAULT: Mod-sequence values are ignored.
  *   - ids: (Horde_Imap_Client_Ids) A list of messages to fetch data from.
  *          DEFAULT: All messages in $mailbox will be fetched.
  *
  * @return Horde_Imap_Client_Fetch_Results  A results object.
  *
  * @throws Horde_Imap_Client_Exception
  * @throws Horde_Imap_Client_Exception_NoSupportExtension
  */
 public function fetch($mailbox, $query, array $options = array())
 {
     $this->login();
     $query = clone $query;
     $cache_array = $header_cache = $new_query = array();
     $res_seq = null;
     if (empty($options['ids'])) {
         $options['ids'] = $this->getIdsOb(Horde_Imap_Client_Ids::ALL);
     } elseif ($options['ids']->isEmpty()) {
         return new Horde_Imap_Client_Fetch_Results($this->_fetchDataClass);
     } elseif ($options['ids']->search_res && !$this->queryCapability('SEARCHRES')) {
         /* SEARCHRES requires server support. */
         throw new Horde_Imap_Client_Exception_NoSupportExtension('SEARCHRES');
     }
     $this->openMailbox($mailbox, Horde_Imap_Client::OPEN_AUTO);
     $cf = $this->_initCache(true) ? $this->_cacheFields() : array();
     if (!empty($cf)) {
         /* If using cache, we store by UID so we need to return UIDs. */
         $query->uid();
     }
     if ($query->contains(Horde_Imap_Client::FETCH_MODSEQ) && !isset($this->_init['enabled']['CONDSTORE'])) {
         unset($query[$k]);
     }
     /* Determine if caching is available and if anything in $query is
      * cacheable.
      * TODO: Re-add base headertext caching. */
     foreach ($cf as $k => $v) {
         if (isset($query[$k])) {
             switch ($k) {
                 case Horde_Imap_Client::FETCH_ENVELOPE:
                 case Horde_Imap_Client::FETCH_FLAGS:
                 case Horde_Imap_Client::FETCH_IMAPDATE:
                 case Horde_Imap_Client::FETCH_SIZE:
                 case Horde_Imap_Client::FETCH_STRUCTURE:
                     $cache_array[$k] = $v;
                     break;
                 case Horde_Imap_Client::FETCH_HEADERS:
                     $this->_temp['headers_caching'] = array();
                     foreach ($query[$k] as $key => $val) {
                         /* Only cache if directly requested.  Iterate through
                          * requests to ensure at least one can be cached. */
                         if (!empty($val['cache']) && !empty($val['peek'])) {
                             $cache_array[$k] = $v;
                             ksort($val);
                             $header_cache[$key] = hash('md5', serialize($val));
                         }
                     }
                     break;
             }
         }
     }
     $ret = new Horde_Imap_Client_Fetch_Results($this->_fetchDataClass, $options['ids']->sequence ? Horde_Imap_Client_Fetch_Results::SEQUENCE : Horde_Imap_Client_Fetch_Results::UID);
     /* If nothing is cacheable, we can do a straight search. */
     if (empty($cache_array)) {
         $this->_fetch($ret, $query, $options);
         return $ret;
     }
     /* If doing a changedsince search, limit the UIDs now. */
     if (!empty($options['changedsince'])) {
         $changed_query = new Horde_Imap_Client_Fetch_Query();
         if ($options['ids']->sequence) {
             $changed_query->seq();
         } else {
             $changed_query->uid();
         }
         $this->_fetch($ret, $changed_query, array('changedsince' => $options['changedsince'], 'ids' => $options['ids']));
         if (!count($ret)) {
             return $ret;
         }
         $options['ids'] = $this->getIdsOb($ret->ids(), $options['ids']->sequence);
     }
     /* Grab Seq -> UID lookup. */
     $res_seq = $this->_getSeqUidLookup($options['ids']);
     $ids = $options['ids']->sequence ? array_keys($res_seq['lookup']) : $res_seq['uids'];
     /* Get the cached values. */
//.........这里部分代码省略.........

 /**
  * @static
  * @param $user_id
  * @param $account_id
  * @param $folder_id
  * @param int $from
  * @param int $count
  * @return array
  */
 public static function getMessages($user_id, $account_id, $folder_id, $from = 0, $count = 20)
 {
     // get the account
     $account = App::getAccount($user_id, $account_id);
     if (!$account) {
         #TODO: i18n
         return array('error' => 'unknown account');
     }
     try {
         // connect to the imap server
         $conn = App::getImapConnection($account);
         $messages = array();
         //			$mb = new \Horde_Imap_Client_Mailbox($folder_id);
         $status = $conn->status($folder_id, \Horde_Imap_Client::STATUS_MESSAGES);
         $total = $status['messages'];
         if ($from + $count > $total) {
             $count = $total - $from;
         }
         $headers = array();
         $fetch_query = new \Horde_Imap_Client_Fetch_Query();
         $fetch_query->envelope();
         $fetch_query->flags();
         $fetch_query->seq();
         $fetch_query->size();
         $fetch_query->uid();
         $fetch_query->imapDate();
         $headers = array_merge($headers, array('importance', 'list-post', 'x-priority'));
         $headers[] = 'content-type';
         $fetch_query->headers('imp', $headers, array('cache' => true, 'peek' => true));
         $opt = array('ids' => $from + 1 . ':' . ($from + 1 + $count));
         // $list is an array of Horde_Imap_Client_Data_Fetch objects.
         $headers = $conn->fetch($folder_id, $fetch_query);
         foreach ($headers as $header) {
             $flags = array('SEEN' => True, 'ANSWERED' => False, 'FORWARDED' => False, 'DRAFT' => False, 'HAS_ATTACHMENTS' => True);
             //					\Horde_Imap_Client_Data_Fetch::HEADER_PARSE
             $f = $header->getFlags();
             $date = $header->getImapDate()->format('U');
             $id = $header->getUid();
             $e = $header->getEnvelope();
             $flags = array();
             $to = $e->to_decoded[0];
             $to = $to['personal'];
             //."<".$to['mailbox']."@".$to['host'].">";
             $from = $e->from_decoded[0];
             $from = $from['personal'];
             //."<".$from['mailbox']."@".$from['host'].">";
             $messages[] = array('id' => $id, 'from' => $from, 'to' => $to, 'subject' => $e->subject_decoded, 'date' => $date, 'size' => $header->getSize(), 'flags' => $flags);
         }
         return array('account_id' => $account_id, 'folder_id' => $folder_id, 'messages' => $messages);
     } catch (\Horde_Imap_Client_Exception $e) {
         return array('error' => $e->getMessage());
     }
 }