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Diffstat (limited to 'Postman/Postman-Mail/Zend-1.12.10/Mail/Protocol/Imap.php')
| -rw-r--r-- | Postman/Postman-Mail/Zend-1.12.10/Mail/Protocol/Imap.php | 838 |
1 files changed, 838 insertions, 0 deletions
diff --git a/Postman/Postman-Mail/Zend-1.12.10/Mail/Protocol/Imap.php b/Postman/Postman-Mail/Zend-1.12.10/Mail/Protocol/Imap.php new file mode 100644 index 0000000..6b3679e --- /dev/null +++ b/Postman/Postman-Mail/Zend-1.12.10/Mail/Protocol/Imap.php @@ -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 Postman_Zend_Mail + * @subpackage Protocol + * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) + * @license http://framework.zend.com/license/new-bsd New BSD License + * @version $Id$ + */ + + +/** + * @category Zend + * @package Postman_Zend_Mail + * @subpackage Protocol + * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) + * @license http://framework.zend.com/license/new-bsd New BSD License + */ +class Postman_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 $ssl use ssl? 'SSL', 'TLS' or false + * @throws Postman_Zend_Mail_Protocol_Exception + */ + function __construct($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 $ssl use 'SSL', 'TLS' or false + * @return string welcome message + * @throws Postman_Zend_Mail_Protocol_Exception + */ + public function connect($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 Postman_Zend_Mail_Protocol_Exception + */ + require_once 'Zend/Mail/Protocol/Exception.php'; + throw new Postman_Zend_Mail_Protocol_Exception('cannot connect to host; error = ' . $errstr . + ' (errno = ' . $errno . ' )'); + } + + if (!$this->_assumedNextLine('* OK')) { + /** + * @see Postman_Zend_Mail_Protocol_Exception + */ + require_once 'Zend/Mail/Protocol/Exception.php'; + throw new Postman_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 Postman_Zend_Mail_Protocol_Exception + */ + require_once 'Zend/Mail/Protocol/Exception.php'; + throw new Postman_Zend_Mail_Protocol_Exception('cannot enable TLS'); + } + } + } + + /** + * get the next line from socket with error checking, but nothing else + * + * @return string next line + * @throws Postman_Zend_Mail_Protocol_Exception + */ + protected function _nextLine() + { + $line = @fgets($this->_socket); + if ($line === false) { + /** + * @see Postman_Zend_Mail_Protocol_Exception + */ + require_once 'Zend/Mail/Protocol/Exception.php'; + throw new Postman_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 $start + * @throws Postman_Zend_Mail_Protocol_Exception + */ + protected function _assumedNextLine($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 $tag tag of line is returned by reference + * @return string next line + * @throws Postman_Zend_Mail_Protocol_Exception + */ + protected function _nextTaggedLine(&$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 $line line to decode + * @return array tokens, literals are returned as string, lists as array + * @throws Postman_Zend_Mail_Protocol_Exception + */ + protected function _decodeLine($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 $tokens + * @return bool if returned tag matches wanted tag + * @throws Postman_Zend_Mail_Protocol_Exception + */ + public function readLine(&$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 $dontParse if true every line is returned unparsed instead of + * the decoded tokens + * @return null|bool|array tokens if success, false if error, null if bad request + * @throws Postman_Zend_Mail_Protocol_Exception + */ + public function readResponse($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 $tag provide a tag otherwise an autogenerated is returned + * @return null + * @throws Postman_Zend_Mail_Protocol_Exception + */ + public function sendRequest($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 . ' ' . $token[0] . "\r\n") === false) { + /** + * @see Postman_Zend_Mail_Protocol_Exception + */ + require_once 'Zend/Mail/Protocol/Exception.php'; + throw new Postman_Zend_Mail_Protocol_Exception('cannot write - connection closed?'); + } + if (!$this->_assumedNextLine('+ ')) { + /** + * @see Postman_Zend_Mail_Protocol_Exception + */ + require_once 'Zend/Mail/Protocol/Exception.php'; + throw new Postman_Zend_Mail_Protocol_Exception('cannot send literal string'); + } + $line = $token[1]; + } else { + $line .= ' ' . $token; + } + } + + if (@fputs($this->_socket, $line . "\r\n") === false) { + /** + * @see Postman_Zend_Mail_Protocol_Exception + */ + require_once 'Zend/Mail/Protocol/Exception.php'; + throw new Postman_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 $dontParse if true unparsed lines are returned instead of tokens + * @return mixed response as in readResponse() + * @throws Postman_Zend_Mail_Protocol_Exception + */ + public function requestAndResponse($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 $password password + * @return bool success + * @throws Postman_Zend_Mail_Protocol_Exception + */ + public function login($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 (Postman_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 Postman_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 $box which folder to change to or examine + * @return bool|array false if error, array with returned information + * otherwise (flags, exists, recent, uidvalidity) + * @throws Postman_Zend_Mail_Protocol_Exception + */ + public function examineOrSelect($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 $box change to this folder + * @return bool|array see examineOrselect() + * @throws Postman_Zend_Mail_Protocol_Exception + */ + public function select($box = 'INBOX') + { + return $this->examineOrSelect('SELECT', $box); + } + + /** + * examine folder + * + * @param string $box examine this folder + * @return bool|array see examineOrselect() + * @throws Postman_Zend_Mail_Protocol_Exception + */ + public function examine($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 Postman_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 Postman_Zend_Mail_Protocol_Exception + */ + require_once 'Zend/Mail/Protocol/Exception.php'; + throw new Postman_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 $mailbox as array(globalName => array('delim' => .., 'flags' => ..)) + * @throws Postman_Zend_Mail_Protocol_Exception + */ + public function listMailbox($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 Postman_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 $date date for new message + * @return bool success + * @throws Postman_Zend_Mail_Protocol_Exception + */ + public function append($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 Postman_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(); + } + +} |