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Diffstat (limited to 'extlib/Mail/smtp.php')
| -rw-r--r-- | extlib/Mail/smtp.php | 407 |
1 files changed, 407 insertions, 0 deletions
diff --git a/extlib/Mail/smtp.php b/extlib/Mail/smtp.php new file mode 100644 index 000000000..baf3a962b --- /dev/null +++ b/extlib/Mail/smtp.php @@ -0,0 +1,407 @@ +<?php +// +// +----------------------------------------------------------------------+ +// | PHP Version 4 | +// +----------------------------------------------------------------------+ +// | Copyright (c) 1997-2003 The PHP Group | +// +----------------------------------------------------------------------+ +// | This source file is subject to version 2.02 of the PHP license, | +// | that is bundled with this package in the file LICENSE, and is | +// | available at through the world-wide-web at | +// | http://www.php.net/license/2_02.txt. | +// | If you did not receive a copy of the PHP license and are unable to | +// | obtain it through the world-wide-web, please send a note to | +// | license@php.net so we can mail you a copy immediately. | +// +----------------------------------------------------------------------+ +// | Authors: Chuck Hagenbuch <chuck@horde.org> | +// | Jon Parise <jon@php.net> | +// +----------------------------------------------------------------------+ + +/** Error: Failed to create a Net_SMTP object */ +define('PEAR_MAIL_SMTP_ERROR_CREATE', 10000); + +/** Error: Failed to connect to SMTP server */ +define('PEAR_MAIL_SMTP_ERROR_CONNECT', 10001); + +/** Error: SMTP authentication failure */ +define('PEAR_MAIL_SMTP_ERROR_AUTH', 10002); + +/** Error: No From: address has been provided */ +define('PEAR_MAIL_SMTP_ERROR_FROM', 10003); + +/** Error: Failed to set sender */ +define('PEAR_MAIL_SMTP_ERROR_SENDER', 10004); + +/** Error: Failed to add recipient */ +define('PEAR_MAIL_SMTP_ERROR_RECIPIENT', 10005); + +/** Error: Failed to send data */ +define('PEAR_MAIL_SMTP_ERROR_DATA', 10006); + +/** + * SMTP implementation of the PEAR Mail interface. Requires the Net_SMTP class. + * @access public + * @package Mail + * @version $Revision: 1.33 $ + */ +class Mail_smtp extends Mail { + + /** + * SMTP connection object. + * + * @var object + * @access private + */ + var $_smtp = null; + + /** + * The list of service extension parameters to pass to the Net_SMTP + * mailFrom() command. + * @var array + */ + var $_extparams = array(); + + /** + * The SMTP host to connect to. + * @var string + */ + var $host = 'localhost'; + + /** + * The port the SMTP server is on. + * @var integer + */ + var $port = 25; + + /** + * Should SMTP authentication be used? + * + * This value may be set to true, false or the name of a specific + * authentication method. + * + * If the value is set to true, the Net_SMTP package will attempt to use + * the best authentication method advertised by the remote SMTP server. + * + * @var mixed + */ + var $auth = false; + + /** + * The username to use if the SMTP server requires authentication. + * @var string + */ + var $username = ''; + + /** + * The password to use if the SMTP server requires authentication. + * @var string + */ + var $password = ''; + + /** + * Hostname or domain that will be sent to the remote SMTP server in the + * HELO / EHLO message. + * + * @var string + */ + var $localhost = 'localhost'; + + /** + * SMTP connection timeout value. NULL indicates no timeout. + * + * @var integer + */ + var $timeout = null; + + /** + * Turn on Net_SMTP debugging? + * + * @var boolean $debug + */ + var $debug = false; + + /** + * Indicates whether or not the SMTP connection should persist over + * multiple calls to the send() method. + * + * @var boolean + */ + var $persist = false; + + /** + * Use SMTP command pipelining (specified in RFC 2920) if the SMTP server + * supports it. This speeds up delivery over high-latency connections. By + * default, use the default value supplied by Net_SMTP. + * @var bool + */ + var $pipelining; + + /** + * Constructor. + * + * Instantiates a new Mail_smtp:: object based on the parameters + * passed in. It looks for the following parameters: + * host The server to connect to. Defaults to localhost. + * port The port to connect to. Defaults to 25. + * auth SMTP authentication. Defaults to none. + * username The username to use for SMTP auth. No default. + * password The password to use for SMTP auth. No default. + * localhost The local hostname / domain. Defaults to localhost. + * timeout The SMTP connection timeout. Defaults to none. + * verp Whether to use VERP or not. Defaults to false. + * DEPRECATED as of 1.2.0 (use setMailParams()). + * debug Activate SMTP debug mode? Defaults to false. + * persist Should the SMTP connection persist? + * pipelining Use SMTP command pipelining + * + * If a parameter is present in the $params array, it replaces the + * default. + * + * @param array Hash containing any parameters different from the + * defaults. + * @access public + */ + function Mail_smtp($params) + { + if (isset($params['host'])) $this->host = $params['host']; + if (isset($params['port'])) $this->port = $params['port']; + if (isset($params['auth'])) $this->auth = $params['auth']; + if (isset($params['username'])) $this->username = $params['username']; + if (isset($params['password'])) $this->password = $params['password']; + if (isset($params['localhost'])) $this->localhost = $params['localhost']; + if (isset($params['timeout'])) $this->timeout = $params['timeout']; + if (isset($params['debug'])) $this->debug = (bool)$params['debug']; + if (isset($params['persist'])) $this->persist = (bool)$params['persist']; + if (isset($params['pipelining'])) $this->pipelining = (bool)$params['pipelining']; + + // Deprecated options + if (isset($params['verp'])) { + $this->addServiceExtensionParameter('XVERP', is_bool($params['verp']) ? null : $params['verp']); + } + + register_shutdown_function(array(&$this, '_Mail_smtp')); + } + + /** + * Destructor implementation to ensure that we disconnect from any + * potentially-alive persistent SMTP connections. + */ + function _Mail_smtp() + { + $this->disconnect(); + } + + /** + * Implements Mail::send() function using SMTP. + * + * @param mixed $recipients Either a comma-seperated list of recipients + * (RFC822 compliant), or an array of recipients, + * each RFC822 valid. This may contain recipients not + * specified in the headers, for Bcc:, resending + * messages, etc. + * + * @param array $headers The array of headers to send with the mail, in an + * associative array, where the array key is the + * header name (e.g., 'Subject'), and the array value + * is the header value (e.g., 'test'). The header + * produced from those values would be 'Subject: + * test'. + * + * @param string $body The full text of the message body, including any + * MIME parts, etc. + * + * @return mixed Returns true on success, or a PEAR_Error + * containing a descriptive error message on + * failure. + * @access public + */ + function send($recipients, $headers, $body) + { + /* If we don't already have an SMTP object, create one. */ + $result = &$this->getSMTPObject(); + if (PEAR::isError($result)) { + return $result; + } + + if (!is_array($headers)) { + return PEAR::raiseError('$headers must be an array'); + } + + $this->_sanitizeHeaders($headers); + + $headerElements = $this->prepareHeaders($headers); + if (is_a($headerElements, 'PEAR_Error')) { + $this->_smtp->rset(); + return $headerElements; + } + list($from, $textHeaders) = $headerElements; + + /* Since few MTAs are going to allow this header to be forged + * unless it's in the MAIL FROM: exchange, we'll use + * Return-Path instead of From: if it's set. */ + if (!empty($headers['Return-Path'])) { + $from = $headers['Return-Path']; + } + + if (!isset($from)) { + $this->_smtp->rset(); + return PEAR::raiseError('No From: address has been provided', + PEAR_MAIL_SMTP_ERROR_FROM); + } + + $params = null; + if (!empty($this->_extparams)) { + foreach ($this->_extparams as $key => $val) { + $params .= ' ' . $key . (is_null($val) ? '' : '=' . $val); + } + } + if (PEAR::isError($res = $this->_smtp->mailFrom($from, ltrim($params)))) { + $error = $this->_error("Failed to set sender: $from", $res); + $this->_smtp->rset(); + return PEAR::raiseError($error, PEAR_MAIL_SMTP_ERROR_SENDER); + } + + $recipients = $this->parseRecipients($recipients); + if (is_a($recipients, 'PEAR_Error')) { + $this->_smtp->rset(); + return $recipients; + } + + foreach ($recipients as $recipient) { + $res = $this->_smtp->rcptTo($recipient); + if (is_a($res, 'PEAR_Error')) { + $error = $this->_error("Failed to add recipient: $recipient", $res); + $this->_smtp->rset(); + return PEAR::raiseError($error, PEAR_MAIL_SMTP_ERROR_RECIPIENT); + } + } + + /* Send the message's headers and the body as SMTP data. */ + $res = $this->_smtp->data($textHeaders . "\r\n\r\n" . $body); + if (is_a($res, 'PEAR_Error')) { + $error = $this->_error('Failed to send data', $res); + $this->_smtp->rset(); + return PEAR::raiseError($error, PEAR_MAIL_SMTP_ERROR_DATA); + } + + /* If persistent connections are disabled, destroy our SMTP object. */ + if ($this->persist === false) { + $this->disconnect(); + } + + return true; + } + + /** + * Connect to the SMTP server by instantiating a Net_SMTP object. + * + * @return mixed Returns a reference to the Net_SMTP object on success, or + * a PEAR_Error containing a descriptive error message on + * failure. + * + * @since 1.2.0 + * @access public + */ + function &getSMTPObject() + { + if (is_object($this->_smtp) !== false) { + return $this->_smtp; + } + + include_once 'Net/SMTP.php'; + $this->_smtp = &new Net_SMTP($this->host, + $this->port, + $this->localhost); + + /* If we still don't have an SMTP object at this point, fail. */ + if (is_object($this->_smtp) === false) { + return PEAR::raiseError('Failed to create a Net_SMTP object', + PEAR_MAIL_SMTP_ERROR_CREATE); + } + + /* Configure the SMTP connection. */ + if ($this->debug) { + $this->_smtp->setDebug(true); + } + + /* Attempt to connect to the configured SMTP server. */ + if (PEAR::isError($res = $this->_smtp->connect($this->timeout))) { + $error = $this->_error('Failed to connect to ' . + $this->host . ':' . $this->port, + $res); + return PEAR::raiseError($error, PEAR_MAIL_SMTP_ERROR_CONNECT); + } + + /* Attempt to authenticate if authentication has been enabled. */ + if ($this->auth) { + $method = is_string($this->auth) ? $this->auth : ''; + + if (PEAR::isError($res = $this->_smtp->auth($this->username, + $this->password, + $method))) { + $error = $this->_error("$method authentication failure", + $res); + $this->_smtp->rset(); + return PEAR::raiseError($error, PEAR_MAIL_SMTP_ERROR_AUTH); + } + } + + return $this->_smtp; + } + + /** + * Add parameter associated with a SMTP service extension. + * + * @param string Extension keyword. + * @param string Any value the keyword needs. + * + * @since 1.2.0 + * @access public + */ + function addServiceExtensionParameter($keyword, $value = null) + { + $this->_extparams[$keyword] = $value; + } + + /** + * Disconnect and destroy the current SMTP connection. + * + * @return boolean True if the SMTP connection no longer exists. + * + * @since 1.1.9 + * @access public + */ + function disconnect() + { + /* If we have an SMTP object, disconnect and destroy it. */ + if (is_object($this->_smtp) && $this->_smtp->disconnect()) { + $this->_smtp = null; + } + + /* We are disconnected if we no longer have an SMTP object. */ + return ($this->_smtp === null); + } + + /** + * Build a standardized string describing the current SMTP error. + * + * @param string $text Custom string describing the error context. + * @param object $error Reference to the current PEAR_Error object. + * + * @return string A string describing the current SMTP error. + * + * @since 1.1.7 + * @access private + */ + function _error($text, &$error) + { + /* Split the SMTP response into a code and a response string. */ + list($code, $response) = $this->_smtp->getResponse(); + + /* Build our standardized error string. */ + return $text + . ' [SMTP: ' . $error->getMessage() + . " (code: $code, response: $response)]"; + } + +} |