--- /dev/null
+<?php
+/* vim: set expandtab softtabstop=4 tabstop=4 shiftwidth=4: */
+// +----------------------------------------------------------------------+
+// | 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> |
+// | Damian Alejandro Fernandez Sosa <damlists@cnba.uba.ar> |
+// +----------------------------------------------------------------------+
+//
+// $Id: SMTP.php 293948 2010-01-24 21:46:00Z jon $
+
+require_once 'PEAR.php';
+require_once 'Net/Socket.php';
+
+/**
+ * Provides an implementation of the SMTP protocol using PEAR's
+ * Net_Socket:: class.
+ *
+ * @package Net_SMTP
+ * @author Chuck Hagenbuch <chuck@horde.org>
+ * @author Jon Parise <jon@php.net>
+ * @author Damian Alejandro Fernandez Sosa <damlists@cnba.uba.ar>
+ *
+ * @example basic.php A basic implementation of the Net_SMTP package.
+ */
+class Net_SMTP
+{
+ /**
+ * The server to connect to.
+ * @var string
+ * @access public
+ */
+ var $host = 'localhost';
+
+ /**
+ * The port to connect to.
+ * @var int
+ * @access public
+ */
+ var $port = 25;
+
+ /**
+ * The value to give when sending EHLO or HELO.
+ * @var string
+ * @access public
+ */
+ var $localhost = 'localhost';
+
+ /**
+ * List of supported authentication methods, in preferential order.
+ * @var array
+ * @access public
+ */
+ var $auth_methods = array('DIGEST-MD5', 'CRAM-MD5', 'LOGIN', 'PLAIN');
+
+ /**
+ * Use SMTP command pipelining (specified in RFC 2920) if the SMTP
+ * server supports it.
+ *
+ * When pipeling is enabled, rcptTo(), mailFrom(), sendFrom(),
+ * somlFrom() and samlFrom() do not wait for a response from the
+ * SMTP server but return immediately.
+ *
+ * @var bool
+ * @access public
+ */
+ var $pipelining = false;
+
+ /**
+ * Number of pipelined commands.
+ * @var int
+ * @access private
+ */
+ var $_pipelined_commands = 0;
+
+ /**
+ * Should debugging output be enabled?
+ * @var boolean
+ * @access private
+ */
+ var $_debug = false;
+
+ /**
+ * Debug output handler.
+ * @var callback
+ * @access private
+ */
+ var $_debug_handler = null;
+
+ /**
+ * The socket resource being used to connect to the SMTP server.
+ * @var resource
+ * @access private
+ */
+ var $_socket = null;
+
+ /**
+ * The most recent server response code.
+ * @var int
+ * @access private
+ */
+ var $_code = -1;
+
+ /**
+ * The most recent server response arguments.
+ * @var array
+ * @access private
+ */
+ var $_arguments = array();
+
+ /**
+ * Stores the SMTP server's greeting string.
+ * @var string
+ * @access private
+ */
+ var $_greeting = null;
+
+ /**
+ * Stores detected features of the SMTP server.
+ * @var array
+ * @access private
+ */
+ var $_esmtp = array();
+
+ /**
+ * Instantiates a new Net_SMTP object, overriding any defaults
+ * with parameters that are passed in.
+ *
+ * If you have SSL support in PHP, you can connect to a server
+ * over SSL using an 'ssl://' prefix:
+ *
+ * // 465 is a common smtps port.
+ * $smtp = new Net_SMTP('ssl://mail.host.com', 465);
+ * $smtp->connect();
+ *
+ * @param string $host The server to connect to.
+ * @param integer $port The port to connect to.
+ * @param string $localhost The value to give when sending EHLO or HELO.
+ * @param boolean $pipeling Use SMTP command pipelining
+ *
+ * @access public
+ * @since 1.0
+ */
+ function Net_SMTP($host = null, $port = null, $localhost = null, $pipelining = false)
+ {
+ if (isset($host)) {
+ $this->host = $host;
+ }
+ if (isset($port)) {
+ $this->port = $port;
+ }
+ if (isset($localhost)) {
+ $this->localhost = $localhost;
+ }
+ $this->pipelining = $pipelining;
+
+ $this->_socket = new Net_Socket();
+
+ /* Include the Auth_SASL package. If the package is not
+ * available, we disable the authentication methods that
+ * depend upon it. */
+ if ((@include_once 'Auth/SASL.php') === false) {
+ $pos = array_search('DIGEST-MD5', $this->auth_methods);
+ unset($this->auth_methods[$pos]);
+ $pos = array_search('CRAM-MD5', $this->auth_methods);
+ unset($this->auth_methods[$pos]);
+ }
+ }
+
+ /**
+ * Set the value of the debugging flag.
+ *
+ * @param boolean $debug New value for the debugging flag.
+ *
+ * @access public
+ * @since 1.1.0
+ */
+ function setDebug($debug, $handler = null)
+ {
+ $this->_debug = $debug;
+ $this->_debug_handler = $handler;
+ }
+
+ /**
+ * Write the given debug text to the current debug output handler.
+ *
+ * @param string $message Debug mesage text.
+ *
+ * @access private
+ * @since 1.3.3
+ */
+ function _debug($message)
+ {
+ if ($this->_debug) {
+ if ($this->_debug_handler) {
+ call_user_func_array($this->_debug_handler,
+ array(&$this, $message));
+ } else {
+ echo "DEBUG: $message\n";
+ }
+ }
+ }
+
+ /**
+ * Send the given string of data to the server.
+ *
+ * @param string $data The string of data to send.
+ *
+ * @return mixed True on success or a PEAR_Error object on failure.
+ *
+ * @access private
+ * @since 1.1.0
+ */
+ function _send($data)
+ {
+ $this->_debug("Send: $data");
+
+ $error = $this->_socket->write($data);
+ if ($error === false || PEAR::isError($error)) {
+ $msg = ($error) ? $error->getMessage() : "unknown error";
+ return PEAR::raiseError("Failed to write to socket: $msg");
+ }
+
+ return true;
+ }
+
+ /**
+ * Send a command to the server with an optional string of
+ * arguments. A carriage return / linefeed (CRLF) sequence will
+ * be appended to each command string before it is sent to the
+ * SMTP server - an error will be thrown if the command string
+ * already contains any newline characters. Use _send() for
+ * commands that must contain newlines.
+ *
+ * @param string $command The SMTP command to send to the server.
+ * @param string $args A string of optional arguments to append
+ * to the command.
+ *
+ * @return mixed The result of the _send() call.
+ *
+ * @access private
+ * @since 1.1.0
+ */
+ function _put($command, $args = '')
+ {
+ if (!empty($args)) {
+ $command .= ' ' . $args;
+ }
+
+ if (strcspn($command, "\r\n") !== strlen($command)) {
+ return PEAR::raiseError('Commands cannot contain newlines');
+ }
+
+ return $this->_send($command . "\r\n");
+ }
+
+ /**
+ * Read a reply from the SMTP server. The reply consists of a response
+ * code and a response message.
+ *
+ * @param mixed $valid The set of valid response codes. These
+ * may be specified as an array of integer
+ * values or as a single integer value.
+ * @param bool $later Do not parse the response now, but wait
+ * until the last command in the pipelined
+ * command group
+ *
+ * @return mixed True if the server returned a valid response code or
+ * a PEAR_Error object is an error condition is reached.
+ *
+ * @access private
+ * @since 1.1.0
+ *
+ * @see getResponse
+ */
+ function _parseResponse($valid, $later = false)
+ {
+ $this->_code = -1;
+ $this->_arguments = array();
+
+ if ($later) {
+ $this->_pipelined_commands++;
+ return true;
+ }
+
+ for ($i = 0; $i <= $this->_pipelined_commands; $i++) {
+ while ($line = $this->_socket->readLine()) {
+ $this->_debug("Recv: $line");
+
+ /* If we receive an empty line, the connection has been closed. */
+ if (empty($line)) {
+ $this->disconnect();
+ return PEAR::raiseError('Connection was unexpectedly closed');
+ }
+
+ /* Read the code and store the rest in the arguments array. */
+ $code = substr($line, 0, 3);
+ $this->_arguments[] = trim(substr($line, 4));
+
+ /* Check the syntax of the response code. */
+ if (is_numeric($code)) {
+ $this->_code = (int)$code;
+ } else {
+ $this->_code = -1;
+ break;
+ }
+
+ /* If this is not a multiline response, we're done. */
+ if (substr($line, 3, 1) != '-') {
+ break;
+ }
+ }
+ }
+
+ $this->_pipelined_commands = 0;
+
+ /* Compare the server's response code with the valid code/codes. */
+ if (is_int($valid) && ($this->_code === $valid)) {
+ return true;
+ } elseif (is_array($valid) && in_array($this->_code, $valid, true)) {
+ return true;
+ }
+
+ return PEAR::raiseError('Invalid response code received from server',
+ $this->_code);
+ }
+
+ /**
+ * Return a 2-tuple containing the last response from the SMTP server.
+ *
+ * @return array A two-element array: the first element contains the
+ * response code as an integer and the second element
+ * contains the response's arguments as a string.
+ *
+ * @access public
+ * @since 1.1.0
+ */
+ function getResponse()
+ {
+ return array($this->_code, join("\n", $this->_arguments));
+ }
+
+ /**
+ * Return the SMTP server's greeting string.
+ *
+ * @return string A string containing the greeting string, or null if a
+ * greeting has not been received.
+ *
+ * @access public
+ * @since 1.3.3
+ */
+ function getGreeting()
+ {
+ return $this->_greeting;
+ }
+
+ /**
+ * Attempt to connect to the SMTP server.
+ *
+ * @param int $timeout The timeout value (in seconds) for the
+ * socket connection.
+ * @param bool $persistent Should a persistent socket connection
+ * be used?
+ *
+ * @return mixed Returns a PEAR_Error with an error message on any
+ * kind of failure, or true on success.
+ * @access public
+ * @since 1.0
+ */
+ function connect($timeout = null, $persistent = false)
+ {
+ $this->_greeting = null;
+ $result = $this->_socket->connect($this->host, $this->port,
+ $persistent, $timeout);
+ if (PEAR::isError($result)) {
+ return PEAR::raiseError('Failed to connect socket: ' .
+ $result->getMessage());
+ }
+
+ if (PEAR::isError($error = $this->_parseResponse(220))) {
+ return $error;
+ }
+
+ /* Extract and store a copy of the server's greeting string. */
+ list(, $this->_greeting) = $this->getResponse();
+
+ if (PEAR::isError($error = $this->_negotiate())) {
+ return $error;
+ }
+
+ return true;
+ }
+
+ /**
+ * Attempt to disconnect from the SMTP server.
+ *
+ * @return mixed Returns a PEAR_Error with an error message on any
+ * kind of failure, or true on success.
+ * @access public
+ * @since 1.0
+ */
+ function disconnect()
+ {
+ if (PEAR::isError($error = $this->_put('QUIT'))) {
+ return $error;
+ }
+ if (PEAR::isError($error = $this->_parseResponse(221))) {
+ return $error;
+ }
+ if (PEAR::isError($error = $this->_socket->disconnect())) {
+ return PEAR::raiseError('Failed to disconnect socket: ' .
+ $error->getMessage());
+ }
+
+ return true;
+ }
+
+ /**
+ * Attempt to send the EHLO command and obtain a list of ESMTP
+ * extensions available, and failing that just send HELO.
+ *
+ * @return mixed Returns a PEAR_Error with an error message on any
+ * kind of failure, or true on success.
+ *
+ * @access private
+ * @since 1.1.0
+ */
+ function _negotiate()
+ {
+ if (PEAR::isError($error = $this->_put('EHLO', $this->localhost))) {
+ return $error;
+ }
+
+ if (PEAR::isError($this->_parseResponse(250))) {
+ /* If we receive a 503 response, we're already authenticated. */
+ if ($this->_code === 503) {
+ return true;
+ }
+
+ /* If the EHLO failed, try the simpler HELO command. */
+ if (PEAR::isError($error = $this->_put('HELO', $this->localhost))) {
+ return $error;
+ }
+ if (PEAR::isError($this->_parseResponse(250))) {
+ return PEAR::raiseError('HELO was not accepted: ', $this->_code);
+ }
+
+ return true;
+ }
+
+ foreach ($this->_arguments as $argument) {
+ $verb = strtok($argument, ' ');
+ $arguments = substr($argument, strlen($verb) + 1,
+ strlen($argument) - strlen($verb) - 1);
+ $this->_esmtp[$verb] = $arguments;
+ }
+
+ if (!isset($this->_esmtp['PIPELINING'])) {
+ $this->pipelining = false;
+ }
+
+ return true;
+ }
+
+ /**
+ * Returns the name of the best authentication method that the server
+ * has advertised.
+ *
+ * @return mixed Returns a string containing the name of the best
+ * supported authentication method or a PEAR_Error object
+ * if a failure condition is encountered.
+ * @access private
+ * @since 1.1.0
+ */
+ function _getBestAuthMethod()
+ {
+ $available_methods = explode(' ', $this->_esmtp['AUTH']);
+
+ foreach ($this->auth_methods as $method) {
+ if (in_array($method, $available_methods)) {
+ return $method;
+ }
+ }
+
+ return PEAR::raiseError('No supported authentication methods');
+ }
+
+ /**
+ * Attempt to do SMTP authentication.
+ *
+ * @param string The userid to authenticate as.
+ * @param string The password to authenticate with.
+ * @param string The requested authentication method. If none is
+ * specified, the best supported method will be used.
+ * @param bool Flag indicating whether or not TLS should be attempted.
+ *
+ * @return mixed Returns a PEAR_Error with an error message on any
+ * kind of failure, or true on success.
+ * @access public
+ * @since 1.0
+ */
+ function auth($uid, $pwd , $method = '', $tls = true)
+ {
+ /* We can only attempt a TLS connection if one has been requested,
+ * we're running PHP 5.1.0 or later, have access to the OpenSSL
+ * extension, are connected to an SMTP server which supports the
+ * STARTTLS extension, and aren't already connected over a secure
+ * (SSL) socket connection. */
+ if ($tls && version_compare(PHP_VERSION, '5.1.0', '>=') &&
+ extension_loaded('openssl') && isset($this->_esmtp['STARTTLS']) &&
+ strncasecmp($this->host, 'ssl://', 6) !== 0) {
+ /* Start the TLS connection attempt. */
+ if (PEAR::isError($result = $this->_put('STARTTLS'))) {
+ return $result;
+ }
+ if (PEAR::isError($result = $this->_parseResponse(220))) {
+ return $result;
+ }
+ if (PEAR::isError($result = $this->_socket->enableCrypto(true, STREAM_CRYPTO_METHOD_TLS_CLIENT))) {
+ return $result;
+ } elseif ($result !== true) {
+ return PEAR::raiseError('STARTTLS failed');
+ }
+
+ /* Send EHLO again to recieve the AUTH string from the
+ * SMTP server. */
+ $this->_negotiate();
+ }
+
+ if (empty($this->_esmtp['AUTH'])) {
+ return PEAR::raiseError('SMTP server does not support authentication');
+ }
+
+ /* If no method has been specified, get the name of the best
+ * supported method advertised by the SMTP server. */
+ if (empty($method)) {
+ if (PEAR::isError($method = $this->_getBestAuthMethod())) {
+ /* Return the PEAR_Error object from _getBestAuthMethod(). */
+ return $method;
+ }
+ } else {
+ $method = strtoupper($method);
+ if (!in_array($method, $this->auth_methods)) {
+ return PEAR::raiseError("$method is not a supported authentication method");
+ }
+ }
+
+ switch ($method) {
+ case 'DIGEST-MD5':
+ $result = $this->_authDigest_MD5($uid, $pwd);
+ break;
+
+ case 'CRAM-MD5':
+ $result = $this->_authCRAM_MD5($uid, $pwd);
+ break;
+
+ case 'LOGIN':
+ $result = $this->_authLogin($uid, $pwd);
+ break;
+
+ case 'PLAIN':
+ $result = $this->_authPlain($uid, $pwd);
+ break;
+
+ default:
+ $result = PEAR::raiseError("$method is not a supported authentication method");
+ break;
+ }
+
+ /* If an error was encountered, return the PEAR_Error object. */
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+
+ return true;
+ }
+
+ /**
+ * Authenticates the user using the DIGEST-MD5 method.
+ *
+ * @param string The userid to authenticate as.
+ * @param string The password to authenticate with.
+ *
+ * @return mixed Returns a PEAR_Error with an error message on any
+ * kind of failure, or true on success.
+ * @access private
+ * @since 1.1.0
+ */
+ function _authDigest_MD5($uid, $pwd)
+ {
+ if (PEAR::isError($error = $this->_put('AUTH', 'DIGEST-MD5'))) {
+ return $error;
+ }
+ /* 334: Continue authentication request */
+ if (PEAR::isError($error = $this->_parseResponse(334))) {
+ /* 503: Error: already authenticated */
+ if ($this->_code === 503) {
+ return true;
+ }
+ return $error;
+ }
+
+ $challenge = base64_decode($this->_arguments[0]);
+ $digest = &Auth_SASL::factory('digestmd5');
+ $auth_str = base64_encode($digest->getResponse($uid, $pwd, $challenge,
+ $this->host, "smtp"));
+
+ if (PEAR::isError($error = $this->_put($auth_str))) {
+ return $error;
+ }
+ /* 334: Continue authentication request */
+ if (PEAR::isError($error = $this->_parseResponse(334))) {
+ return $error;
+ }
+
+ /* We don't use the protocol's third step because SMTP doesn't
+ * allow subsequent authentication, so we just silently ignore
+ * it. */
+ if (PEAR::isError($error = $this->_put(''))) {
+ return $error;
+ }
+ /* 235: Authentication successful */
+ if (PEAR::isError($error = $this->_parseResponse(235))) {
+ return $error;
+ }
+ }
+
+ /**
+ * Authenticates the user using the CRAM-MD5 method.
+ *
+ * @param string The userid to authenticate as.
+ * @param string The password to authenticate with.
+ *
+ * @return mixed Returns a PEAR_Error with an error message on any
+ * kind of failure, or true on success.
+ * @access private
+ * @since 1.1.0
+ */
+ function _authCRAM_MD5($uid, $pwd)
+ {
+ if (PEAR::isError($error = $this->_put('AUTH', 'CRAM-MD5'))) {
+ return $error;
+ }
+ /* 334: Continue authentication request */
+ if (PEAR::isError($error = $this->_parseResponse(334))) {
+ /* 503: Error: already authenticated */
+ if ($this->_code === 503) {
+ return true;
+ }
+ return $error;
+ }
+
+ $challenge = base64_decode($this->_arguments[0]);
+ $cram = &Auth_SASL::factory('crammd5');
+ $auth_str = base64_encode($cram->getResponse($uid, $pwd, $challenge));
+
+ if (PEAR::isError($error = $this->_put($auth_str))) {
+ return $error;
+ }
+
+ /* 235: Authentication successful */
+ if (PEAR::isError($error = $this->_parseResponse(235))) {
+ return $error;
+ }
+ }
+
+ /**
+ * Authenticates the user using the LOGIN method.
+ *
+ * @param string The userid to authenticate as.
+ * @param string The password to authenticate with.
+ *
+ * @return mixed Returns a PEAR_Error with an error message on any
+ * kind of failure, or true on success.
+ * @access private
+ * @since 1.1.0
+ */
+ function _authLogin($uid, $pwd)
+ {
+ if (PEAR::isError($error = $this->_put('AUTH', 'LOGIN'))) {
+ return $error;
+ }
+ /* 334: Continue authentication request */
+ if (PEAR::isError($error = $this->_parseResponse(334))) {
+ /* 503: Error: already authenticated */
+ if ($this->_code === 503) {
+ return true;
+ }
+ return $error;
+ }
+
+ if (PEAR::isError($error = $this->_put(base64_encode($uid)))) {
+ return $error;
+ }
+ /* 334: Continue authentication request */
+ if (PEAR::isError($error = $this->_parseResponse(334))) {
+ return $error;
+ }
+
+ if (PEAR::isError($error = $this->_put(base64_encode($pwd)))) {
+ return $error;
+ }
+
+ /* 235: Authentication successful */
+ if (PEAR::isError($error = $this->_parseResponse(235))) {
+ return $error;
+ }
+
+ return true;
+ }
+
+ /**
+ * Authenticates the user using the PLAIN method.
+ *
+ * @param string The userid to authenticate as.
+ * @param string The password to authenticate with.
+ *
+ * @return mixed Returns a PEAR_Error with an error message on any
+ * kind of failure, or true on success.
+ * @access private
+ * @since 1.1.0
+ */
+ function _authPlain($uid, $pwd)
+ {
+ if (PEAR::isError($error = $this->_put('AUTH', 'PLAIN'))) {
+ return $error;
+ }
+ /* 334: Continue authentication request */
+ if (PEAR::isError($error = $this->_parseResponse(334))) {
+ /* 503: Error: already authenticated */
+ if ($this->_code === 503) {
+ return true;
+ }
+ return $error;
+ }
+
+ $auth_str = base64_encode(chr(0) . $uid . chr(0) . $pwd);
+
+ if (PEAR::isError($error = $this->_put($auth_str))) {
+ return $error;
+ }
+
+ /* 235: Authentication successful */
+ if (PEAR::isError($error = $this->_parseResponse(235))) {
+ return $error;
+ }
+
+ return true;
+ }
+
+ /**
+ * Send the HELO command.
+ *
+ * @param string The domain name to say we are.
+ *
+ * @return mixed Returns a PEAR_Error with an error message on any
+ * kind of failure, or true on success.
+ * @access public
+ * @since 1.0
+ */
+ function helo($domain)
+ {
+ if (PEAR::isError($error = $this->_put('HELO', $domain))) {
+ return $error;
+ }
+ if (PEAR::isError($error = $this->_parseResponse(250))) {
+ return $error;
+ }
+
+ return true;
+ }
+
+ /**
+ * Return the list of SMTP service extensions advertised by the server.
+ *
+ * @return array The list of SMTP service extensions.
+ * @access public
+ * @since 1.3
+ */
+ function getServiceExtensions()
+ {
+ return $this->_esmtp;
+ }
+
+ /**
+ * Send the MAIL FROM: command.
+ *
+ * @param string $sender The sender (reverse path) to set.
+ * @param string $params String containing additional MAIL parameters,
+ * such as the NOTIFY flags defined by RFC 1891
+ * or the VERP protocol.
+ *
+ * If $params is an array, only the 'verp' option
+ * is supported. If 'verp' is true, the XVERP
+ * parameter is appended to the MAIL command. If
+ * the 'verp' value is a string, the full
+ * XVERP=value parameter is appended.
+ *
+ * @return mixed Returns a PEAR_Error with an error message on any
+ * kind of failure, or true on success.
+ * @access public
+ * @since 1.0
+ */
+ function mailFrom($sender, $params = null)
+ {
+ $args = "FROM:<$sender>";
+
+ /* Support the deprecated array form of $params. */
+ if (is_array($params) && isset($params['verp'])) {
+ /* XVERP */
+ if ($params['verp'] === true) {
+ $args .= ' XVERP';
+
+ /* XVERP=something */
+ } elseif (trim($params['verp'])) {
+ $args .= ' XVERP=' . $params['verp'];
+ }
+ } elseif (is_string($params)) {
+ $args .= ' ' . $params;
+ }
+
+ if (PEAR::isError($error = $this->_put('MAIL', $args))) {
+ return $error;
+ }
+ if (PEAR::isError($error = $this->_parseResponse(250, $this->pipelining))) {
+ return $error;
+ }
+
+ return true;
+ }
+
+ /**
+ * Send the RCPT TO: command.
+ *
+ * @param string $recipient The recipient (forward path) to add.
+ * @param string $params String containing additional RCPT parameters,
+ * such as the NOTIFY flags defined by RFC 1891.
+ *
+ * @return mixed Returns a PEAR_Error with an error message on any
+ * kind of failure, or true on success.
+ *
+ * @access public
+ * @since 1.0
+ */
+ function rcptTo($recipient, $params = null)
+ {
+ $args = "TO:<$recipient>";
+ if (is_string($params)) {
+ $args .= ' ' . $params;
+ }
+
+ if (PEAR::isError($error = $this->_put('RCPT', $args))) {
+ return $error;
+ }
+ if (PEAR::isError($error = $this->_parseResponse(array(250, 251), $this->pipelining))) {
+ return $error;
+ }
+
+ return true;
+ }
+
+ /**
+ * Quote the data so that it meets SMTP standards.
+ *
+ * This is provided as a separate public function to facilitate
+ * easier overloading for the cases where it is desirable to
+ * customize the quoting behavior.
+ *
+ * @param string $data The message text to quote. The string must be passed
+ * by reference, and the text will be modified in place.
+ *
+ * @access public
+ * @since 1.2
+ */
+ function quotedata(&$data)
+ {
+ /* Change Unix (\n) and Mac (\r) linefeeds into
+ * Internet-standard CRLF (\r\n) linefeeds. */
+ $data = preg_replace(array('/(?<!\r)\n/','/\r(?!\n)/'), "\r\n", $data);
+
+ /* Because a single leading period (.) signifies an end to the
+ * data, legitimate leading periods need to be "doubled"
+ * (e.g. '..'). */
+ $data = str_replace("\n.", "\n..", $data);
+ }
+
+ /**
+ * Send the DATA command.
+ *
+ * @param mixed $data The message data, either as a string or an open
+ * file resource.
+ * @param string $headers The message headers. If $headers is provided,
+ * $data is assumed to contain only body data.
+ *
+ * @return mixed Returns a PEAR_Error with an error message on any
+ * kind of failure, or true on success.
+ * @access public
+ * @since 1.0
+ */
+ function data($data, $headers = null)
+ {
+ /* Verify that $data is a supported type. */
+ if (!is_string($data) && !is_resource($data)) {
+ return PEAR::raiseError('Expected a string or file resource');
+ }
+
+ /* RFC 1870, section 3, subsection 3 states "a value of zero
+ * indicates that no fixed maximum message size is in force".
+ * Furthermore, it says that if "the parameter is omitted no
+ * information is conveyed about the server's fixed maximum
+ * message size". */
+ if (isset($this->_esmtp['SIZE']) && ($this->_esmtp['SIZE'] > 0)) {
+ /* Start by considering the size of the optional headers string.
+ * We also account for the addition 4 character "\r\n\r\n"
+ * separator sequence. */
+ $size = (is_null($headers)) ? 0 : strlen($headers) + 4;
+
+ if (is_resource($data)) {
+ $stat = fstat($data);
+ if ($stat === false) {
+ return PEAR::raiseError('Failed to get file size');
+ }
+ $size += $stat['size'];
+ } else {
+ $size += strlen($data);
+ }
+
+ if ($size >= $this->_esmtp['SIZE']) {
+ $this->disconnect();
+ return PEAR::raiseError('Message size exceeds server limit');
+ }
+ }
+
+ /* Initiate the DATA command. */
+ if (PEAR::isError($error = $this->_put('DATA'))) {
+ return $error;
+ }
+ if (PEAR::isError($error = $this->_parseResponse(354))) {
+ return $error;
+ }
+
+ /* If we have a separate headers string, send it first. */
+ if (!is_null($headers)) {
+ $this->quotedata($headers);
+ if (PEAR::isError($result = $this->_send($headers . "\r\n\r\n"))) {
+ return $result;
+ }
+ }
+
+ /* Now we can send the message body data. */
+ if (is_resource($data)) {
+ /* Stream the contents of the file resource out over our socket
+ * connection, line by line. Each line must be run through the
+ * quoting routine. */
+ while ($line = fgets($data, 1024)) {
+ $this->quotedata($line);
+ if (PEAR::isError($result = $this->_send($line))) {
+ return $result;
+ }
+ }
+
+ /* Finally, send the DATA terminator sequence. */
+ if (PEAR::isError($result = $this->_send("\r\n.\r\n"))) {
+ return $result;
+ }
+ } else {
+ /* Just send the entire quoted string followed by the DATA
+ * terminator. */
+ $this->quotedata($data);
+ if (PEAR::isError($result = $this->_send($data . "\r\n.\r\n"))) {
+ return $result;
+ }
+ }
+
+ /* Verify that the data was successfully received by the server. */
+ if (PEAR::isError($error = $this->_parseResponse(250, $this->pipelining))) {
+ return $error;
+ }
+
+ return true;
+ }
+
+ /**
+ * Send the SEND FROM: command.
+ *
+ * @param string The reverse path to send.
+ *
+ * @return mixed Returns a PEAR_Error with an error message on any
+ * kind of failure, or true on success.
+ * @access public
+ * @since 1.2.6
+ */
+ function sendFrom($path)
+ {
+ if (PEAR::isError($error = $this->_put('SEND', "FROM:<$path>"))) {
+ return $error;
+ }
+ if (PEAR::isError($error = $this->_parseResponse(250, $this->pipelining))) {
+ return $error;
+ }
+
+ return true;
+ }
+
+ /**
+ * Backwards-compatibility wrapper for sendFrom().
+ *
+ * @param string The reverse path to send.
+ *
+ * @return mixed Returns a PEAR_Error with an error message on any
+ * kind of failure, or true on success.
+ *
+ * @access public
+ * @since 1.0
+ * @deprecated 1.2.6
+ */
+ function send_from($path)
+ {
+ return sendFrom($path);
+ }
+
+ /**
+ * Send the SOML FROM: command.
+ *
+ * @param string The reverse path to send.
+ *
+ * @return mixed Returns a PEAR_Error with an error message on any
+ * kind of failure, or true on success.
+ * @access public
+ * @since 1.2.6
+ */
+ function somlFrom($path)
+ {
+ if (PEAR::isError($error = $this->_put('SOML', "FROM:<$path>"))) {
+ return $error;
+ }
+ if (PEAR::isError($error = $this->_parseResponse(250, $this->pipelining))) {
+ return $error;
+ }
+
+ return true;
+ }
+
+ /**
+ * Backwards-compatibility wrapper for somlFrom().
+ *
+ * @param string The reverse path to send.
+ *
+ * @return mixed Returns a PEAR_Error with an error message on any
+ * kind of failure, or true on success.
+ *
+ * @access public
+ * @since 1.0
+ * @deprecated 1.2.6
+ */
+ function soml_from($path)
+ {
+ return somlFrom($path);
+ }
+
+ /**
+ * Send the SAML FROM: command.
+ *
+ * @param string The reverse path to send.
+ *
+ * @return mixed Returns a PEAR_Error with an error message on any
+ * kind of failure, or true on success.
+ * @access public
+ * @since 1.2.6
+ */
+ function samlFrom($path)
+ {
+ if (PEAR::isError($error = $this->_put('SAML', "FROM:<$path>"))) {
+ return $error;
+ }
+ if (PEAR::isError($error = $this->_parseResponse(250, $this->pipelining))) {
+ return $error;
+ }
+
+ return true;
+ }
+
+ /**
+ * Backwards-compatibility wrapper for samlFrom().
+ *
+ * @param string The reverse path to send.
+ *
+ * @return mixed Returns a PEAR_Error with an error message on any
+ * kind of failure, or true on success.
+ *
+ * @access public
+ * @since 1.0
+ * @deprecated 1.2.6
+ */
+ function saml_from($path)
+ {
+ return samlFrom($path);
+ }
+
+ /**
+ * Send the RSET command.
+ *
+ * @return mixed Returns a PEAR_Error with an error message on any
+ * kind of failure, or true on success.
+ * @access public
+ * @since 1.0
+ */
+ function rset()
+ {
+ if (PEAR::isError($error = $this->_put('RSET'))) {
+ return $error;
+ }
+ if (PEAR::isError($error = $this->_parseResponse(250, $this->pipelining))) {
+ return $error;
+ }
+
+ return true;
+ }
+
+ /**
+ * Send the VRFY command.
+ *
+ * @param string The string to verify
+ *
+ * @return mixed Returns a PEAR_Error with an error message on any
+ * kind of failure, or true on success.
+ * @access public
+ * @since 1.0
+ */
+ function vrfy($string)
+ {
+ /* Note: 251 is also a valid response code */
+ if (PEAR::isError($error = $this->_put('VRFY', $string))) {
+ return $error;
+ }
+ if (PEAR::isError($error = $this->_parseResponse(array(250, 252)))) {
+ return $error;
+ }
+
+ return true;
+ }
+
+ /**
+ * Send the NOOP command.
+ *
+ * @return mixed Returns a PEAR_Error with an error message on any
+ * kind of failure, or true on success.
+ * @access public
+ * @since 1.0
+ */
+ function noop()
+ {
+ if (PEAR::isError($error = $this->_put('NOOP'))) {
+ return $error;
+ }
+ if (PEAR::isError($error = $this->_parseResponse(250))) {
+ return $error;
+ }
+
+ return true;
+ }
+
+ /**
+ * Backwards-compatibility method. identifySender()'s functionality is
+ * now handled internally.
+ *
+ * @return boolean This method always return true.
+ *
+ * @access public
+ * @since 1.0
+ */
+ function identifySender()
+ {
+ return true;
+ }
+
+}
projects / timetracker.git / blobdiff