diff options
Diffstat (limited to 'lib/Zend/Mail/Protocol/Pop3.php')
| -rw-r--r-- | lib/Zend/Mail/Protocol/Pop3.php | 471 |
1 files changed, 471 insertions, 0 deletions
diff --git a/lib/Zend/Mail/Protocol/Pop3.php b/lib/Zend/Mail/Protocol/Pop3.php new file mode 100644 index 0000000..c1f968a --- /dev/null +++ b/lib/Zend/Mail/Protocol/Pop3.php @@ -0,0 +1,471 @@ +<?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) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com) + * @license http://framework.zend.com/license/new-bsd New BSD License + * @version $Id: Pop3.php 12539 2008-11-11 02:47:17Z yoshida@zend.co.jp $ + */ + + +/** + * @category Zend + * @package Zend_Mail + * @subpackage Protocol + * @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com) + * @license http://framework.zend.com/license/new-bsd New BSD License + */ +class Zend_Mail_Protocol_Pop3 +{ + /** + * Default timeout in seconds for initiating session + */ + const TIMEOUT_CONNECTION = 30; + + /** + * saves if server supports top + * @var null|bool + */ + public $hasTop = null; + + /** + * socket to pop3 + * @var null|resource + */ + protected $_socket; + + /** + * greeting timestamp for apop + * @var null|string + */ + protected $_timestamp; + + + /** + * Public constructor + * + * @param string $host hostname of IP address of POP3 server, if given connect() is called + * @param int|null $port port of POP3 server, null for default (110 or 995 for ssl) + * @param bool|string $ssl use ssl? 'SSL', 'TLS' or false + * @throws Zend_Mail_Protocol_Exception + */ + public function __construct($host = '', $port = null, $ssl = false) + { + if ($host) { + $this->connect($host, $port, $ssl); + } + } + + + /** + * Public destructor + */ + public function __destruct() + { + $this->logout(); + } + + + /** + * Open connection to POP3 server + * + * @param string $host hostname of IP address of POP3 server + * @param int|null $port of POP3 server, default is 110 (995 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' ? 995 : 110; + } + + $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 : ' . $errno . ' : ' . $errstr); + } + + $welcome = $this->readResponse(); + + strtok($welcome, '<'); + $this->_timestamp = strtok('>'); + if (!strpos($this->_timestamp, '@')) { + $this->_timestamp = null; + } else { + $this->_timestamp = '<' . $this->_timestamp . '>'; + } + + if ($ssl === 'TLS') { + $this->request('STLS'); + $result = stream_socket_enable_crypto($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'); + } + } + + return $welcome; + } + + + /** + * Send a request + * + * @param string $request your request without newline + * @return null + * @throws Zend_Mail_Protocol_Exception + */ + public function sendRequest($request) + { + $result = @fputs($this->_socket, $request . "\r\n"); + if (!$result) { + /** + * @see Zend_Mail_Protocol_Exception + */ + require_once 'Zend/Mail/Protocol/Exception.php'; + throw new Zend_Mail_Protocol_Exception('send failed - connection closed?'); + } + } + + + /** + * read a response + * + * @param boolean $multiline response has multiple lines and should be read until "<nl>.<nl>" + * @return string response + * @throws Zend_Mail_Protocol_Exception + */ + public function readResponse($multiline = false) + { + $result = @fgets($this->_socket); + if (!is_string($result)) { + /** + * @see Zend_Mail_Protocol_Exception + */ + require_once 'Zend/Mail/Protocol/Exception.php'; + throw new Zend_Mail_Protocol_Exception('read failed - connection closed?'); + } + + $result = trim($result); + if (strpos($result, ' ')) { + list($status, $message) = explode(' ', $result, 2); + } else { + $status = $result; + $message = ''; + } + + if ($status != '+OK') { + /** + * @see Zend_Mail_Protocol_Exception + */ + require_once 'Zend/Mail/Protocol/Exception.php'; + throw new Zend_Mail_Protocol_Exception('last request failed'); + } + + if ($multiline) { + $message = ''; + $line = fgets($this->_socket); + while ($line && rtrim($line, "\r\n") != '.') { + if ($line[0] == '.') { + $line = substr($line, 1); + } + $message .= $line; + $line = fgets($this->_socket); + }; + } + + return $message; + } + + + /** + * Send request and get resposne + * + * @see sendRequest(), readResponse() + * + * @param string $request request + * @param bool $multiline multiline response? + * @return string result from readResponse() + * @throws Zend_Mail_Protocol_Exception + */ + public function request($request, $multiline = false) + { + $this->sendRequest($request); + return $this->readResponse($multiline); + } + + + /** + * End communication with POP3 server (also closes socket) + * + * @return null + */ + public function logout() + { + if (!$this->_socket) { + return; + } + + try { + $this->request('QUIT'); + } catch (Zend_Mail_Protocol_Exception $e) { + // ignore error - we're closing the socket anyway + } + + fclose($this->_socket); + $this->_socket = null; + } + + + /** + * Get capabilities from POP3 server + * + * @return array list of capabilities + * @throws Zend_Mail_Protocol_Exception + */ + public function capa() + { + $result = $this->request('CAPA', true); + return explode("\n", $result); + } + + + /** + * Login to POP3 server. Can use APOP + * + * @param string $user username + * @param string $password password + * @param bool $try_apop should APOP be tried? + * @return void + * @throws Zend_Mail_Protocol_Exception + */ + public function login($user, $password, $tryApop = true) + { + if ($tryApop && $this->_timestamp) { + try { + $this->request("APOP $user " . md5($this->_timestamp . $password)); + return; + } catch (Zend_Mail_Protocol_Exception $e) { + // ignore + } + } + + $result = $this->request("USER $user"); + $result = $this->request("PASS $password"); + } + + + /** + * Make STAT call for message count and size sum + * + * @param int $messages out parameter with count of messages + * @param int $octets out parameter with size in octects of messages + * @return void + * @throws Zend_Mail_Protocol_Exception + */ + public function status(&$messages, &$octets) + { + $messages = 0; + $octets = 0; + $result = $this->request('STAT'); + + list($messages, $octets) = explode(' ', $result); + } + + + /** + * Make LIST call for size of message(s) + * + * @param int|null $msgno number of message, null for all + * @return int|array size of given message or list with array(num => size) + * @throws Zend_Mail_Protocol_Exception + */ + public function getList($msgno = null) + { + if ($msgno !== null) { + $result = $this->request("LIST $msgno"); + + list(, $result) = explode(' ', $result); + return (int)$result; + } + + $result = $this->request('LIST', true); + $messages = array(); + $line = strtok($result, "\n"); + while ($line) { + list($no, $size) = explode(' ', trim($line)); + $messages[(int)$no] = (int)$size; + $line = strtok("\n"); + } + + return $messages; + } + + + /** + * Make UIDL call for getting a uniqueid + * + * @param int|null $msgno number of message, null for all + * @return string|array uniqueid of message or list with array(num => uniqueid) + * @throws Zend_Mail_Protocol_Exception + */ + public function uniqueid($msgno = null) + { + if ($msgno !== null) { + $result = $this->request("UIDL $msgno"); + + list(, $result) = explode(' ', $result); + return $result; + } + + $result = $this->request('UIDL', true); + + $result = explode("\n", $result); + $messages = array(); + foreach ($result as $line) { + if (!$line) { + continue; + } + list($no, $id) = explode(' ', trim($line), 2); + $messages[(int)$no] = $id; + } + + return $messages; + + } + + + /** + * Make TOP call for getting headers and maybe some body lines + * This method also sets hasTop - before it it's not known if top is supported + * + * The fallback makes normale RETR call, which retrieves the whole message. Additional + * lines are not removed. + * + * @param int $msgno number of message + * @param int $lines number of wanted body lines (empty line is inserted after header lines) + * @param bool $fallback fallback with full retrieve if top is not supported + * @return string message headers with wanted body lines + * @throws Zend_Mail_Protocol_Exception + */ + public function top($msgno, $lines = 0, $fallback = false) + { + if ($this->hasTop === false) { + if ($fallback) { + return $this->retrieve($msgno); + } else { + /** + * @see Zend_Mail_Protocol_Exception + */ + require_once 'Zend/Mail/Protocol/Exception.php'; + throw new Zend_Mail_Protocol_Exception('top not supported and no fallback wanted'); + } + } + $this->hasTop = true; + + $lines = (!$lines || $lines < 1) ? 0 : (int)$lines; + + try { + $result = $this->request("TOP $msgno $lines", true); + } catch (Zend_Mail_Protocol_Exception $e) { + $this->hasTop = false; + if ($fallback) { + $result = $this->retrieve($msgno); + } else { + throw $e; + } + } + + return $result; + } + + + /** + * Make a RETR call for retrieving a full message with headers and body + * + * @deprecated since 1.1.0; this method has a typo - please use retrieve() + * @param int $msgno message number + * @return string message + * @throws Zend_Mail_Protocol_Exception + */ + public function retrive($msgno) + { + return $this->retrieve($msgno); + } + + + /** + * Make a RETR call for retrieving a full message with headers and body + * + * @param int $msgno message number + * @return string message + * @throws Zend_Mail_Protocol_Exception + */ + public function retrieve($msgno) + { + $result = $this->request("RETR $msgno", true); + return $result; + } + + /** + * Make a NOOP call, maybe needed for keeping the server happy + * + * @return null + * @throws Zend_Mail_Protocol_Exception + */ + public function noop() + { + $this->request('NOOP'); + } + + + /** + * Make a DELE count to remove a message + * + * @return null + * @throws Zend_Mail_Protocol_Exception + */ + public function delete($msgno) + { + $this->request("DELE $msgno"); + } + + + /** + * Make RSET call, which rollbacks delete requests + * + * @return null + * @throws Zend_Mail_Protocol_Exception + */ + public function undelete() + { + $this->request('RSET'); + } +} |