--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Mail/Protocol/Imap.php Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,838 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category Zend
+ * @package Zend_Mail
+ * @subpackage Protocol
+ * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ * @version $Id: Imap.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+
+/**
+ * @category Zend
+ * @package Zend_Mail
+ * @subpackage Protocol
+ * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+class Zend_Mail_Protocol_Imap
+{
+ /**
+ * Default timeout in seconds for initiating session
+ */
+ const TIMEOUT_CONNECTION = 30;
+
+ /**
+ * socket to imap server
+ * @var resource|null
+ */
+ protected $_socket;
+
+ /**
+ * counter for request tag
+ * @var int
+ */
+ protected $_tagCount = 0;
+
+ /**
+ * Public constructor
+ *
+ * @param string $host hostname or IP address of IMAP server, if given connect() is called
+ * @param int|null $port port of IMAP server, null for default (143 or 993 for ssl)
+ * @param bool $ssl use ssl? 'SSL', 'TLS' or false
+ * @throws Zend_Mail_Protocol_Exception
+ */
+ function __construct($host = '', $port = null, $ssl = false)
+ {
+ if ($host) {
+ $this->connect($host, $port, $ssl);
+ }
+ }
+
+ /**
+ * Public destructor
+ */
+ public function __destruct()
+ {
+ $this->logout();
+ }
+
+ /**
+ * Open connection to IMAP server
+ *
+ * @param string $host hostname or IP address of IMAP server
+ * @param int|null $port of IMAP server, default is 143 (993 for ssl)
+ * @param string|bool $ssl use 'SSL', 'TLS' or false
+ * @return string welcome message
+ * @throws Zend_Mail_Protocol_Exception
+ */
+ public function connect($host, $port = null, $ssl = false)
+ {
+ if ($ssl == 'SSL') {
+ $host = 'ssl://' . $host;
+ }
+
+ if ($port === null) {
+ $port = $ssl === 'SSL' ? 993 : 143;
+ }
+
+ $errno = 0;
+ $errstr = '';
+ $this->_socket = @fsockopen($host, $port, $errno, $errstr, self::TIMEOUT_CONNECTION);
+ if (!$this->_socket) {
+ /**
+ * @see Zend_Mail_Protocol_Exception
+ */
+ require_once 'Zend/Mail/Protocol/Exception.php';
+ throw new Zend_Mail_Protocol_Exception('cannot connect to host; error = ' . $errstr .
+ ' (errno = ' . $errno . ' )');
+ }
+
+ if (!$this->_assumedNextLine('* OK')) {
+ /**
+ * @see Zend_Mail_Protocol_Exception
+ */
+ require_once 'Zend/Mail/Protocol/Exception.php';
+ throw new Zend_Mail_Protocol_Exception('host doesn\'t allow connection');
+ }
+
+ if ($ssl === 'TLS') {
+ $result = $this->requestAndResponse('STARTTLS');
+ $result = $result && stream_socket_enable_crypto($this->_socket, true, STREAM_CRYPTO_METHOD_TLS_CLIENT);
+ if (!$result) {
+ /**
+ * @see Zend_Mail_Protocol_Exception
+ */
+ require_once 'Zend/Mail/Protocol/Exception.php';
+ throw new Zend_Mail_Protocol_Exception('cannot enable TLS');
+ }
+ }
+ }
+
+ /**
+ * get the next line from socket with error checking, but nothing else
+ *
+ * @return string next line
+ * @throws Zend_Mail_Protocol_Exception
+ */
+ protected function _nextLine()
+ {
+ $line = @fgets($this->_socket);
+ if ($line === false) {
+ /**
+ * @see Zend_Mail_Protocol_Exception
+ */
+ require_once 'Zend/Mail/Protocol/Exception.php';
+ throw new Zend_Mail_Protocol_Exception('cannot read - connection closed?');
+ }
+
+ return $line;
+ }
+
+ /**
+ * get next line and assume it starts with $start. some requests give a simple
+ * feedback so we can quickly check if we can go on.
+ *
+ * @param string $start the first bytes we assume to be in the next line
+ * @return bool line starts with $start
+ * @throws Zend_Mail_Protocol_Exception
+ */
+ protected function _assumedNextLine($start)
+ {
+ $line = $this->_nextLine();
+ return strpos($line, $start) === 0;
+ }
+
+ /**
+ * get next line and split the tag. that's the normal case for a response line
+ *
+ * @param string $tag tag of line is returned by reference
+ * @return string next line
+ * @throws Zend_Mail_Protocol_Exception
+ */
+ protected function _nextTaggedLine(&$tag)
+ {
+ $line = $this->_nextLine();
+
+ // seperate tag from line
+ list($tag, $line) = explode(' ', $line, 2);
+
+ return $line;
+ }
+
+ /**
+ * split a given line in tokens. a token is literal of any form or a list
+ *
+ * @param string $line line to decode
+ * @return array tokens, literals are returned as string, lists as array
+ * @throws Zend_Mail_Protocol_Exception
+ */
+ protected function _decodeLine($line)
+ {
+ $tokens = array();
+ $stack = array();
+
+ /*
+ We start to decode the response here. The unterstood tokens are:
+ literal
+ "literal" or also "lit\\er\"al"
+ {bytes}<NL>literal
+ (literals*)
+ All tokens are returned in an array. Literals in braces (the last unterstood
+ token in the list) are returned as an array of tokens. I.e. the following response:
+ "foo" baz {3}<NL>bar ("f\\\"oo" bar)
+ would be returned as:
+ array('foo', 'baz', 'bar', array('f\\\"oo', 'bar'));
+
+ // TODO: add handling of '[' and ']' to parser for easier handling of response text
+ */
+ // replace any trailling <NL> including spaces with a single space
+ $line = rtrim($line) . ' ';
+ while (($pos = strpos($line, ' ')) !== false) {
+ $token = substr($line, 0, $pos);
+ while ($token[0] == '(') {
+ array_push($stack, $tokens);
+ $tokens = array();
+ $token = substr($token, 1);
+ }
+ if ($token[0] == '"') {
+ if (preg_match('%^\(*"((.|\\\\|\\")*?)" *%', $line, $matches)) {
+ $tokens[] = $matches[1];
+ $line = substr($line, strlen($matches[0]));
+ continue;
+ }
+ }
+ if ($token[0] == '{') {
+ $endPos = strpos($token, '}');
+ $chars = substr($token, 1, $endPos - 1);
+ if (is_numeric($chars)) {
+ $token = '';
+ while (strlen($token) < $chars) {
+ $token .= $this->_nextLine();
+ }
+ $line = '';
+ if (strlen($token) > $chars) {
+ $line = substr($token, $chars);
+ $token = substr($token, 0, $chars);
+ } else {
+ $line .= $this->_nextLine();
+ }
+ $tokens[] = $token;
+ $line = trim($line) . ' ';
+ continue;
+ }
+ }
+ if ($stack && $token[strlen($token) - 1] == ')') {
+ // closing braces are not seperated by spaces, so we need to count them
+ $braces = strlen($token);
+ $token = rtrim($token, ')');
+ // only count braces if more than one
+ $braces -= strlen($token) + 1;
+ // only add if token had more than just closing braces
+ if (rtrim($token) != '') {
+ $tokens[] = rtrim($token);
+ }
+ $token = $tokens;
+ $tokens = array_pop($stack);
+ // special handline if more than one closing brace
+ while ($braces-- > 0) {
+ $tokens[] = $token;
+ $token = $tokens;
+ $tokens = array_pop($stack);
+ }
+ }
+ $tokens[] = $token;
+ $line = substr($line, $pos + 1);
+ }
+
+ // maybe the server forgot to send some closing braces
+ while ($stack) {
+ $child = $tokens;
+ $tokens = array_pop($stack);
+ $tokens[] = $child;
+ }
+
+ return $tokens;
+ }
+
+ /**
+ * read a response "line" (could also be more than one real line if response has {..}<NL>)
+ * and do a simple decode
+ *
+ * @param array|string $tokens decoded tokens are returned by reference, if $dontParse
+ * is true the unparsed line is returned here
+ * @param string $wantedTag check for this tag for response code. Default '*' is
+ * continuation tag.
+ * @param bool $dontParse if true only the unparsed line is returned $tokens
+ * @return bool if returned tag matches wanted tag
+ * @throws Zend_Mail_Protocol_Exception
+ */
+ public function readLine(&$tokens = array(), $wantedTag = '*', $dontParse = false)
+ {
+ $line = $this->_nextTaggedLine($tag);
+ if (!$dontParse) {
+ $tokens = $this->_decodeLine($line);
+ } else {
+ $tokens = $line;
+ }
+
+ // if tag is wanted tag we might be at the end of a multiline response
+ return $tag == $wantedTag;
+ }
+
+ /**
+ * read all lines of response until given tag is found (last line of response)
+ *
+ * @param string $tag the tag of your request
+ * @param string|array $filter you can filter the response so you get only the
+ * given response lines
+ * @param bool $dontParse if true every line is returned unparsed instead of
+ * the decoded tokens
+ * @return null|bool|array tokens if success, false if error, null if bad request
+ * @throws Zend_Mail_Protocol_Exception
+ */
+ public function readResponse($tag, $dontParse = false)
+ {
+ $lines = array();
+ while (!$this->readLine($tokens, $tag, $dontParse)) {
+ $lines[] = $tokens;
+ }
+
+ if ($dontParse) {
+ // last to chars are still needed for response code
+ $tokens = array(substr($tokens, 0, 2));
+ }
+ // last line has response code
+ if ($tokens[0] == 'OK') {
+ return $lines ? $lines : true;
+ } else if ($tokens[0] == 'NO'){
+ return false;
+ }
+ return null;
+ }
+
+ /**
+ * send a request
+ *
+ * @param string $command your request command
+ * @param array $tokens additional parameters to command, use escapeString() to prepare
+ * @param string $tag provide a tag otherwise an autogenerated is returned
+ * @return null
+ * @throws Zend_Mail_Protocol_Exception
+ */
+ public function sendRequest($command, $tokens = array(), &$tag = null)
+ {
+ if (!$tag) {
+ ++$this->_tagCount;
+ $tag = 'TAG' . $this->_tagCount;
+ }
+
+ $line = $tag . ' ' . $command;
+
+ foreach ($tokens as $token) {
+ if (is_array($token)) {
+ if (@fputs($this->_socket, $line . ' ' . $token[0] . "\r\n") === false) {
+ /**
+ * @see Zend_Mail_Protocol_Exception
+ */
+ require_once 'Zend/Mail/Protocol/Exception.php';
+ throw new Zend_Mail_Protocol_Exception('cannot write - connection closed?');
+ }
+ if (!$this->_assumedNextLine('+ ')) {
+ /**
+ * @see Zend_Mail_Protocol_Exception
+ */
+ require_once 'Zend/Mail/Protocol/Exception.php';
+ throw new Zend_Mail_Protocol_Exception('cannot send literal string');
+ }
+ $line = $token[1];
+ } else {
+ $line .= ' ' . $token;
+ }
+ }
+
+ if (@fputs($this->_socket, $line . "\r\n") === false) {
+ /**
+ * @see Zend_Mail_Protocol_Exception
+ */
+ require_once 'Zend/Mail/Protocol/Exception.php';
+ throw new Zend_Mail_Protocol_Exception('cannot write - connection closed?');
+ }
+ }
+
+ /**
+ * send a request and get response at once
+ *
+ * @param string $command command as in sendRequest()
+ * @param array $tokens parameters as in sendRequest()
+ * @param bool $dontParse if true unparsed lines are returned instead of tokens
+ * @return mixed response as in readResponse()
+ * @throws Zend_Mail_Protocol_Exception
+ */
+ public function requestAndResponse($command, $tokens = array(), $dontParse = false)
+ {
+ $this->sendRequest($command, $tokens, $tag);
+ $response = $this->readResponse($tag, $dontParse);
+
+ return $response;
+ }
+
+ /**
+ * escape one or more literals i.e. for sendRequest
+ *
+ * @param string|array $string the literal/-s
+ * @return string|array escape literals, literals with newline ar returned
+ * as array('{size}', 'string');
+ */
+ public function escapeString($string)
+ {
+ if (func_num_args() < 2) {
+ if (strpos($string, "\n") !== false) {
+ return array('{' . strlen($string) . '}', $string);
+ } else {
+ return '"' . str_replace(array('\\', '"'), array('\\\\', '\\"'), $string) . '"';
+ }
+ }
+ $result = array();
+ foreach (func_get_args() as $string) {
+ $result[] = $this->escapeString($string);
+ }
+ return $result;
+ }
+
+ /**
+ * escape a list with literals or lists
+ *
+ * @param array $list list with literals or lists as PHP array
+ * @return string escaped list for imap
+ */
+ public function escapeList($list)
+ {
+ $result = array();
+ foreach ($list as $k => $v) {
+ if (!is_array($v)) {
+// $result[] = $this->escapeString($v);
+ $result[] = $v;
+ continue;
+ }
+ $result[] = $this->escapeList($v);
+ }
+ return '(' . implode(' ', $result) . ')';
+ }
+
+ /**
+ * Login to IMAP server.
+ *
+ * @param string $user username
+ * @param string $password password
+ * @return bool success
+ * @throws Zend_Mail_Protocol_Exception
+ */
+ public function login($user, $password)
+ {
+ return $this->requestAndResponse('LOGIN', $this->escapeString($user, $password), true);
+ }
+
+ /**
+ * logout of imap server
+ *
+ * @return bool success
+ */
+ public function logout()
+ {
+ $result = false;
+ if ($this->_socket) {
+ try {
+ $result = $this->requestAndResponse('LOGOUT', array(), true);
+ } catch (Zend_Mail_Protocol_Exception $e) {
+ // ignoring exception
+ }
+ fclose($this->_socket);
+ $this->_socket = null;
+ }
+ return $result;
+ }
+
+
+ /**
+ * Get capabilities from IMAP server
+ *
+ * @return array list of capabilities
+ * @throws Zend_Mail_Protocol_Exception
+ */
+ public function capability()
+ {
+ $response = $this->requestAndResponse('CAPABILITY');
+
+ if (!$response) {
+ return $response;
+ }
+
+ $capabilities = array();
+ foreach ($response as $line) {
+ $capabilities = array_merge($capabilities, $line);
+ }
+ return $capabilities;
+ }
+
+ /**
+ * Examine and select have the same response. The common code for both
+ * is in this method
+ *
+ * @param string $command can be 'EXAMINE' or 'SELECT' and this is used as command
+ * @param string $box which folder to change to or examine
+ * @return bool|array false if error, array with returned information
+ * otherwise (flags, exists, recent, uidvalidity)
+ * @throws Zend_Mail_Protocol_Exception
+ */
+ public function examineOrSelect($command = 'EXAMINE', $box = 'INBOX')
+ {
+ $this->sendRequest($command, array($this->escapeString($box)), $tag);
+
+ $result = array();
+ while (!$this->readLine($tokens, $tag)) {
+ if ($tokens[0] == 'FLAGS') {
+ array_shift($tokens);
+ $result['flags'] = $tokens;
+ continue;
+ }
+ switch ($tokens[1]) {
+ case 'EXISTS':
+ case 'RECENT':
+ $result[strtolower($tokens[1])] = $tokens[0];
+ break;
+ case '[UIDVALIDITY':
+ $result['uidvalidity'] = (int)$tokens[2];
+ break;
+ default:
+ // ignore
+ }
+ }
+
+ if ($tokens[0] != 'OK') {
+ return false;
+ }
+ return $result;
+ }
+
+ /**
+ * change folder
+ *
+ * @param string $box change to this folder
+ * @return bool|array see examineOrselect()
+ * @throws Zend_Mail_Protocol_Exception
+ */
+ public function select($box = 'INBOX')
+ {
+ return $this->examineOrSelect('SELECT', $box);
+ }
+
+ /**
+ * examine folder
+ *
+ * @param string $box examine this folder
+ * @return bool|array see examineOrselect()
+ * @throws Zend_Mail_Protocol_Exception
+ */
+ public function examine($box = 'INBOX')
+ {
+ return $this->examineOrSelect('EXAMINE', $box);
+ }
+
+ /**
+ * fetch one or more items of one or more messages
+ *
+ * @param string|array $items items to fetch from message(s) as string (if only one item)
+ * or array of strings
+ * @param int $from message for items or start message if $to !== null
+ * @param int|null $to if null only one message ($from) is fetched, else it's the
+ * last message, INF means last message avaible
+ * @return string|array if only one item of one message is fetched it's returned as string
+ * if items of one message are fetched it's returned as (name => value)
+ * if one items of messages are fetched it's returned as (msgno => value)
+ * if items of messages are fetchted it's returned as (msgno => (name => value))
+ * @throws Zend_Mail_Protocol_Exception
+ */
+ public function fetch($items, $from, $to = null)
+ {
+ if (is_array($from)) {
+ $set = implode(',', $from);
+ } else if ($to === null) {
+ $set = (int)$from;
+ } else if ($to === INF) {
+ $set = (int)$from . ':*';
+ } else {
+ $set = (int)$from . ':' . (int)$to;
+ }
+
+ $items = (array)$items;
+ $itemList = $this->escapeList($items);
+
+ $this->sendRequest('FETCH', array($set, $itemList), $tag);
+
+ $result = array();
+ while (!$this->readLine($tokens, $tag)) {
+ // ignore other responses
+ if ($tokens[1] != 'FETCH') {
+ continue;
+ }
+ // ignore other messages
+ if ($to === null && !is_array($from) && $tokens[0] != $from) {
+ continue;
+ }
+ // if we only want one item we return that one directly
+ if (count($items) == 1) {
+ if ($tokens[2][0] == $items[0]) {
+ $data = $tokens[2][1];
+ } else {
+ // maybe the server send an other field we didn't wanted
+ $count = count($tokens[2]);
+ // we start with 2, because 0 was already checked
+ for ($i = 2; $i < $count; $i += 2) {
+ if ($tokens[2][$i] != $items[0]) {
+ continue;
+ }
+ $data = $tokens[2][$i + 1];
+ break;
+ }
+ }
+ } else {
+ $data = array();
+ while (key($tokens[2]) !== null) {
+ $data[current($tokens[2])] = next($tokens[2]);
+ next($tokens[2]);
+ }
+ }
+ // if we want only one message we can ignore everything else and just return
+ if ($to === null && !is_array($from) && $tokens[0] == $from) {
+ // we still need to read all lines
+ while (!$this->readLine($tokens, $tag));
+ return $data;
+ }
+ $result[$tokens[0]] = $data;
+ }
+
+ if ($to === null && !is_array($from)) {
+ /**
+ * @see Zend_Mail_Protocol_Exception
+ */
+ require_once 'Zend/Mail/Protocol/Exception.php';
+ throw new Zend_Mail_Protocol_Exception('the single id was not found in response');
+ }
+
+ return $result;
+ }
+
+ /**
+ * get mailbox list
+ *
+ * this method can't be named after the IMAP command 'LIST', as list is a reserved keyword
+ *
+ * @param string $reference mailbox reference for list
+ * @param string $mailbox mailbox name match with wildcards
+ * @return array mailboxes that matched $mailbox as array(globalName => array('delim' => .., 'flags' => ..))
+ * @throws Zend_Mail_Protocol_Exception
+ */
+ public function listMailbox($reference = '', $mailbox = '*')
+ {
+ $result = array();
+ $list = $this->requestAndResponse('LIST', $this->escapeString($reference, $mailbox));
+ if (!$list || $list === true) {
+ return $result;
+ }
+
+ foreach ($list as $item) {
+ if (count($item) != 4 || $item[0] != 'LIST') {
+ continue;
+ }
+ $result[$item[3]] = array('delim' => $item[2], 'flags' => $item[1]);
+ }
+
+ return $result;
+ }
+
+ /**
+ * set flags
+ *
+ * @param array $flags flags to set, add or remove - see $mode
+ * @param int $from message for items or start message if $to !== null
+ * @param int|null $to if null only one message ($from) is fetched, else it's the
+ * last message, INF means last message avaible
+ * @param string|null $mode '+' to add flags, '-' to remove flags, everything else sets the flags as given
+ * @param bool $silent if false the return values are the new flags for the wanted messages
+ * @return bool|array new flags if $silent is false, else true or false depending on success
+ * @throws Zend_Mail_Protocol_Exception
+ */
+ public function store(array $flags, $from, $to = null, $mode = null, $silent = true)
+ {
+ $item = 'FLAGS';
+ if ($mode == '+' || $mode == '-') {
+ $item = $mode . $item;
+ }
+ if ($silent) {
+ $item .= '.SILENT';
+ }
+
+ $flags = $this->escapeList($flags);
+ $set = (int)$from;
+ if ($to != null) {
+ $set .= ':' . ($to == INF ? '*' : (int)$to);
+ }
+
+ $result = $this->requestAndResponse('STORE', array($set, $item, $flags), $silent);
+
+ if ($silent) {
+ return $result ? true : false;
+ }
+
+ $tokens = $result;
+ $result = array();
+ foreach ($tokens as $token) {
+ if ($token[1] != 'FETCH' || $token[2][0] != 'FLAGS') {
+ continue;
+ }
+ $result[$token[0]] = $token[2][1];
+ }
+
+ return $result;
+ }
+
+ /**
+ * append a new message to given folder
+ *
+ * @param string $folder name of target folder
+ * @param string $message full message content
+ * @param array $flags flags for new message
+ * @param string $date date for new message
+ * @return bool success
+ * @throws Zend_Mail_Protocol_Exception
+ */
+ public function append($folder, $message, $flags = null, $date = null)
+ {
+ $tokens = array();
+ $tokens[] = $this->escapeString($folder);
+ if ($flags !== null) {
+ $tokens[] = $this->escapeList($flags);
+ }
+ if ($date !== null) {
+ $tokens[] = $this->escapeString($date);
+ }
+ $tokens[] = $this->escapeString($message);
+
+ return $this->requestAndResponse('APPEND', $tokens, true);
+ }
+
+ /**
+ * copy message set from current folder to other folder
+ *
+ * @param string $folder destination folder
+ * @param int|null $to if null only one message ($from) is fetched, else it's the
+ * last message, INF means last message avaible
+ * @return bool success
+ * @throws Zend_Mail_Protocol_Exception
+ */
+ public function copy($folder, $from, $to = null)
+ {
+ $set = (int)$from;
+ if ($to != null) {
+ $set .= ':' . ($to == INF ? '*' : (int)$to);
+ }
+
+ return $this->requestAndResponse('COPY', array($set, $this->escapeString($folder)), true);
+ }
+
+ /**
+ * create a new folder (and parent folders if needed)
+ *
+ * @param string $folder folder name
+ * @return bool success
+ */
+ public function create($folder)
+ {
+ return $this->requestAndResponse('CREATE', array($this->escapeString($folder)), true);
+ }
+
+ /**
+ * rename an existing folder
+ *
+ * @param string $old old name
+ * @param string $new new name
+ * @return bool success
+ */
+ public function rename($old, $new)
+ {
+ return $this->requestAndResponse('RENAME', $this->escapeString($old, $new), true);
+ }
+
+ /**
+ * remove a folder
+ *
+ * @param string $folder folder name
+ * @return bool success
+ */
+ public function delete($folder)
+ {
+ return $this->requestAndResponse('DELETE', array($this->escapeString($folder)), true);
+ }
+
+ /**
+ * permanently remove messages
+ *
+ * @return bool success
+ */
+ public function expunge()
+ {
+ // TODO: parse response?
+ return $this->requestAndResponse('EXPUNGE');
+ }
+
+ /**
+ * send noop
+ *
+ * @return bool success
+ */
+ public function noop()
+ {
+ // TODO: parse response
+ return $this->requestAndResponse('NOOP');
+ }
+
+ /**
+ * do a search request
+ *
+ * This method is currently marked as internal as the API might change and is not
+ * safe if you don't take precautions.
+ *
+ * @internal
+ * @return array message ids
+ */
+ public function search(array $params)
+ {
+ $response = $this->requestAndResponse('SEARCH', $params);
+ if (!$response) {
+ return $response;
+ }
+
+ foreach ($response as $ids) {
+ if ($ids[0] == 'SEARCH') {
+ array_shift($ids);
+ return $ids;
+ }
+ }
+ return array();
+ }
+
+}