<?php
-/* vim: set expandtab softtabstop=4 tabstop=4 shiftwidth=4: */
+/** vim: set expandtab softtabstop=4 tabstop=4 shiftwidth=4: */
// +----------------------------------------------------------------------+
-// | PHP Version 4 |
+// | PHP Version 5 and 7 |
// +----------------------------------------------------------------------+
-// | Copyright (c) 1997-2003 The PHP Group |
+// | Copyright (c) 1997-2015 Jon Parise and Chuck Hagenbuch |
// +----------------------------------------------------------------------+
-// | This source file is subject to version 2.02 of the PHP license, |
+// | This source file is subject to version 3.01 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. |
+// | http://www.php.net/license/3_01.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. |
// | 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.
+ * 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.
+ * @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';
+ public $host = 'localhost';
/**
* The port to connect to.
* @var int
- * @access public
*/
- var $port = 25;
+ public $port = 25;
/**
* The value to give when sending EHLO or HELO.
* @var string
- * @access public
*/
- var $localhost = 'localhost';
+ public $localhost = 'localhost';
/**
* List of supported authentication methods, in preferential order.
* @var array
- * @access public
*/
- var $auth_methods = array('DIGEST-MD5', 'CRAM-MD5', 'LOGIN', 'PLAIN');
+ public $auth_methods = array();
/**
* Use SMTP command pipelining (specified in RFC 2920) if the SMTP
* SMTP server but return immediately.
*
* @var bool
- * @access public
*/
- var $pipelining = false;
+ public $pipelining = false;
/**
* Number of pipelined commands.
* @var int
- * @access private
*/
- var $_pipelined_commands = 0;
+ protected $pipelined_commands = 0;
/**
* Should debugging output be enabled?
* @var boolean
- * @access private
*/
- var $_debug = false;
+ protected $debug = false;
/**
* Debug output handler.
* @var callback
- * @access private
*/
- var $_debug_handler = null;
+ protected $debug_handler = null;
/**
* The socket resource being used to connect to the SMTP server.
* @var resource
- * @access private
*/
- var $_socket = null;
+ protected $socket = null;
+
+ /**
+ * Array of socket options that will be passed to Net_Socket::connect().
+ * @see stream_context_create()
+ * @var array
+ */
+ protected $socket_options = null;
+
+ /**
+ * The socket I/O timeout value in seconds.
+ * @var int
+ */
+ protected $timeout = 0;
/**
* The most recent server response code.
* @var int
- * @access private
*/
- var $_code = -1;
+ protected $code = -1;
/**
* The most recent server response arguments.
* @var array
- * @access private
*/
- var $_arguments = array();
+ protected $arguments = array();
/**
* Stores the SMTP server's greeting string.
* @var string
- * @access private
*/
- var $_greeting = null;
+ protected $greeting = null;
/**
* Stores detected features of the SMTP server.
* @var array
- * @access private
*/
- var $_esmtp = array();
+ protected $esmtp = array();
/**
* Instantiates a new Net_SMTP object, overriding any defaults
* $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
+ * @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 $pipelining Use SMTP command pipelining
+ * @param integer $timeout Socket I/O timeout in seconds.
+ * @param array $socket_options Socket stream_context_create() options.
*
- * @access public
- * @since 1.0
+ * @since 1.0
*/
- function Net_SMTP($host = null, $port = null, $localhost = null, $pipelining = false)
- {
+ public function __construct($host = null, $port = null, $localhost = null,
+ $pipelining = false, $timeout = 0, $socket_options = null
+ ) {
if (isset($host)) {
$this->host = $host;
}
if (isset($localhost)) {
$this->localhost = $localhost;
}
- $this->pipelining = $pipelining;
- $this->_socket = new Net_Socket();
+ $this->pipelining = $pipelining;
+ $this->socket = new Net_Socket();
+ $this->socket_options = $socket_options;
+ $this->timeout = $timeout;
- /* 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]);
+ /* Include the Auth_SASL package. If the package is available, we
+ * enable the authentication methods that depend upon it. */
+ if (@include_once 'Auth/SASL.php') {
+ $this->setAuthMethod('CRAM-MD5', array($this, 'authCramMD5'));
+ $this->setAuthMethod('DIGEST-MD5', array($this, 'authDigestMD5'));
}
+
+ /* These standard authentication methods are always available. */
+ $this->setAuthMethod('LOGIN', array($this, 'authLogin'), false);
+ $this->setAuthMethod('PLAIN', array($this, 'authPlain'), false);
+ }
+
+ /**
+ * Set the socket I/O timeout value in seconds plus microseconds.
+ *
+ * @param integer $seconds Timeout value in seconds.
+ * @param integer $microseconds Additional value in microseconds.
+ *
+ * @since 1.5.0
+ */
+ public function setTimeout($seconds, $microseconds = 0)
+ {
+ return $this->socket->setTimeout($seconds, $microseconds);
}
/**
* Set the value of the debugging flag.
*
- * @param boolean $debug New value for the debugging flag.
+ * @param boolean $debug New value for the debugging flag.
+ * @param callback $handler Debug handler callback
*
- * @access public
- * @since 1.1.0
+ * @since 1.1.0
*/
- function setDebug($debug, $handler = null)
+ public function setDebug($debug, $handler = null)
{
- $this->_debug = $debug;
- $this->_debug_handler = $handler;
+ $this->debug = $debug;
+ $this->debug_handler = $handler;
}
/**
* Write the given debug text to the current debug output handler.
*
- * @param string $message Debug mesage text.
+ * @param string $message Debug mesage text.
*
- * @access private
- * @since 1.3.3
+ * @since 1.3.3
*/
- function _debug($message)
+ protected function debug($message)
{
- if ($this->_debug) {
- if ($this->_debug_handler) {
- call_user_func_array($this->_debug_handler,
- array(&$this, $message));
+ if ($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.
+ * @param string $data The string of data to send.
*
- * @return mixed True on success or a PEAR_Error object on failure.
+ * @return mixed The number of bytes that were actually written,
+ * or a PEAR_Error object on failure.
*
- * @access private
- * @since 1.1.0
+ * @since 1.1.0
*/
- function _send($data)
+ protected function send($data)
{
- $this->_debug("Send: $data");
+ $this->debug("Send: $data");
- $error = $this->_socket->write($data);
- if ($error === false || PEAR::isError($error)) {
- $msg = ($error) ? $error->getMessage() : "unknown error";
+ $result = $this->socket->write($data);
+ if (!$result || PEAR::isError($result)) {
+ $msg = $result ? $result->getMessage() : "unknown error";
return PEAR::raiseError("Failed to write to socket: $msg");
}
- return true;
+ return $result;
}
/**
* 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
+ * 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.
+ * @param string $command The SMTP command to send to the server.
+ * @param string $args A string of optional arguments to append
+ * to the command.
*
- * @return mixed The result of the _send() call.
+ * @return mixed The result of the send() call.
*
- * @access private
- * @since 1.1.0
+ * @since 1.1.0
*/
- function _put($command, $args = '')
+ protected function put($command, $args = '')
{
if (!empty($args)) {
$command .= ' ' . $args;
return PEAR::raiseError('Commands cannot contain newlines');
}
- return $this->_send($command . "\r\n");
+ 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
+ * @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 $later Do not parse the response now, but wait
+ * until the last command in the pipelined
+ * command group
*
- * @return mixed True if the server returned a valid response code or
- * a PEAR_Error object is an error condition is reached.
+ * @return mixed True if the server returned a valid response code or
+ * a PEAR_Error object is an error condition is reached.
*
- * @access private
- * @since 1.1.0
+ * @since 1.1.0
*
- * @see getResponse
+ * @see getResponse
*/
- function _parseResponse($valid, $later = false)
+ protected function parseResponse($valid, $later = false)
{
- $this->_code = -1;
- $this->_arguments = array();
+ $this->code = -1;
+ $this->arguments = array();
if ($later) {
- $this->_pipelined_commands++;
+ $this->pipelined_commands++;
return true;
}
- for ($i = 0; $i <= $this->_pipelined_commands; $i++) {
- while ($line = $this->_socket->readLine()) {
- $this->_debug("Recv: $line");
+ for ($i = 0; $i <= $this->pipelined_commands; $i++) {
+ while ($line = $this->socket->readLine()) {
+ $this->debug("Recv: $line");
- /* If we receive an empty line, the connection has been closed. */
+ /* If we receive an empty line, the connection was closed. */
if (empty($line)) {
$this->disconnect();
- return PEAR::raiseError('Connection was unexpectedly closed');
+ return PEAR::raiseError('Connection was closed');
}
/* Read the code and store the rest in the arguments array. */
$code = substr($line, 0, 3);
- $this->_arguments[] = trim(substr($line, 4));
+ $this->arguments[] = trim(substr($line, 4));
/* Check the syntax of the response code. */
if (is_numeric($code)) {
- $this->_code = (int)$code;
+ $this->code = (int)$code;
} else {
- $this->_code = -1;
+ $this->code = -1;
break;
}
}
}
- $this->_pipelined_commands = 0;
+ $this->pipelined_commands = 0;
/* Compare the server's response code with the valid code/codes. */
- if (is_int($valid) && ($this->_code === $valid)) {
+ if (is_int($valid) && ($this->code === $valid)) {
return true;
- } elseif (is_array($valid) && in_array($this->_code, $valid, true)) {
+ } elseif (is_array($valid) && in_array($this->code, $valid, true)) {
return true;
}
- return PEAR::raiseError('Invalid response code received from server',
- $this->_code);
+ return PEAR::raiseError('Invalid response code received from server', $this->code);
+ }
+
+ /**
+ * Issue an SMTP command and verify its response.
+ *
+ * @param string $command The SMTP command string or data.
+ * @param mixed $valid The set of valid response codes. These
+ * may be specified as an array of integer
+ * values or as a single integer value.
+ *
+ * @return mixed True on success or a PEAR_Error object on failure.
+ *
+ * @since 1.6.0
+ */
+ public function command($command, $valid)
+ {
+ if (PEAR::isError($error = $this->put($command))) {
+ return $error;
+ }
+ if (PEAR::isError($error = $this->parseResponse($valid))) {
+ return $error;
+ }
+
+ return true;
}
/**
* Return a 2-tuple containing the last response from the SMTP server.
*
- * @return array A two-element array: the first element contains the
- * response code as an integer and the second element
- * contains the response's arguments as a string.
+ * @return array A two-element array: the first element contains the
+ * response code as an integer and the second element
+ * contains the response's arguments as a string.
*
- * @access public
- * @since 1.1.0
+ * @since 1.1.0
*/
- function getResponse()
+ public function getResponse()
{
- return array($this->_code, join("\n", $this->_arguments));
+ return array($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.
+ * @return string A string containing the greeting string, or null if
+ * a greeting has not been received.
*
- * @access public
- * @since 1.3.3
+ * @since 1.3.3
*/
- function getGreeting()
+ public function getGreeting()
{
- return $this->_greeting;
+ 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?
+ * @param int $timeout The timeout value (in seconds) for the
+ * socket connection attempt.
+ * @param bool $persistent Should a persistent socket connection
+ * be used?
*
* @return mixed Returns a PEAR_Error with an error message on any
* kind of failure, or true on success.
- * @access public
- * @since 1.0
+ * @since 1.0
*/
- function connect($timeout = null, $persistent = false)
+ public function connect($timeout = null, $persistent = false)
{
- $this->_greeting = null;
- $result = $this->_socket->connect($this->host, $this->port,
- $persistent, $timeout);
+ $this->greeting = null;
+
+ $result = $this->socket->connect(
+ $this->host, $this->port, $persistent, $timeout, $this->socket_options
+ );
+
if (PEAR::isError($result)) {
- return PEAR::raiseError('Failed to connect socket: ' .
- $result->getMessage());
+ return PEAR::raiseError(
+ 'Failed to connect socket: ' . $result->getMessage()
+ );
+ }
+
+ /*
+ * Now that we're connected, reset the socket's timeout value for
+ * future I/O operations. This allows us to have different socket
+ * timeout values for the initial connection (our $timeout parameter)
+ * and all other socket operations.
+ */
+ if ($this->timeout > 0) {
+ if (PEAR::isError($error = $this->setTimeout($this->timeout))) {
+ return $error;
+ }
}
- if (PEAR::isError($error = $this->_parseResponse(220))) {
+ if (PEAR::isError($error = $this->parseResponse(220))) {
return $error;
}
/* Extract and store a copy of the server's greeting string. */
- list(, $this->_greeting) = $this->getResponse();
+ list(, $this->greeting) = $this->getResponse();
- if (PEAR::isError($error = $this->_negotiate())) {
+ if (PEAR::isError($error = $this->negotiate())) {
return $error;
}
*
* @return mixed Returns a PEAR_Error with an error message on any
* kind of failure, or true on success.
- * @access public
- * @since 1.0
+ * @since 1.0
*/
- function disconnect()
+ public function disconnect()
{
- if (PEAR::isError($error = $this->_put('QUIT'))) {
+ if (PEAR::isError($error = $this->put('QUIT'))) {
return $error;
}
- if (PEAR::isError($error = $this->_parseResponse(221))) {
+ if (PEAR::isError($error = $this->parseResponse(221))) {
return $error;
}
- if (PEAR::isError($error = $this->_socket->disconnect())) {
- return PEAR::raiseError('Failed to disconnect socket: ' .
- $error->getMessage());
+ if (PEAR::isError($error = $this->socket->disconnect())) {
+ return PEAR::raiseError(
+ 'Failed to disconnect socket: ' . $error->getMessage()
+ );
}
return true;
* @return mixed Returns a PEAR_Error with an error message on any
* kind of failure, or true on success.
*
- * @access private
- * @since 1.1.0
+ * @since 1.1.0
*/
- function _negotiate()
+ protected function negotiate()
{
- if (PEAR::isError($error = $this->_put('EHLO', $this->localhost))) {
+ if (PEAR::isError($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 ($this->_code === 503) {
- return true;
- }
-
+ if (PEAR::isError($this->parseResponse(250))) {
/* If the EHLO failed, try the simpler HELO command. */
- if (PEAR::isError($error = $this->_put('HELO', $this->localhost))) {
+ if (PEAR::isError($error = $this->put('HELO', $this->localhost))) {
return $error;
}
- if (PEAR::isError($this->_parseResponse(250))) {
- return PEAR::raiseError('HELO was not accepted: ', $this->_code);
+ if (PEAR::isError($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] = $arguments;
+ foreach ($this->arguments as $argument) {
+ $verb = strtok($argument, ' ');
+ $len = strlen($verb);
+ $arguments = substr($argument, $len + 1, strlen($argument) - $len - 1);
+ $this->esmtp[$verb] = $arguments;
}
- if (!isset($this->_esmtp['PIPELINING'])) {
+ if (!isset($this->esmtp['PIPELINING'])) {
$this->pipelining = false;
}
* 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
+ * @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.
+ * @since 1.1.0
*/
- function _getBestAuthMethod()
+ protected function getBestAuthMethod()
{
- $available_methods = explode(' ', $this->_esmtp['AUTH']);
+ $available_methods = explode(' ', $this->esmtp['AUTH']);
- foreach ($this->auth_methods as $method) {
+ foreach ($this->auth_methods as $method => $callback) {
if (in_array($method, $available_methods)) {
return $method;
}
/**
* 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.
+ * @param string $uid The userid to authenticate as.
+ * @param string $pwd The password to authenticate with.
+ * @param string $method The requested authentication method. If none is
+ * specified, the best supported method will be used.
+ * @param bool $tls Flag indicating whether or not TLS should be attempted.
+ * @param string $authz An optional authorization identifier. If specified, this
+ * identifier will be used as the authorization proxy.
*
* @return mixed Returns a PEAR_Error with an error message on any
* kind of failure, or true on success.
- * @access public
- * @since 1.0
+ * @since 1.0
*/
- function auth($uid, $pwd , $method = '', $tls = true)
+ public function auth($uid, $pwd , $method = '', $tls = true, $authz = '')
{
/* We can only attempt a TLS connection if one has been requested,
- * we're running PHP 5.1.0 or later, have access to the OpenSSL
- * extension, are connected to an SMTP server which supports the
- * STARTTLS extension, and aren't already connected over a secure
+ * we're running PHP 5.1.0 or later, have access to the OpenSSL
+ * extension, are connected to an SMTP server which supports the
+ * STARTTLS extension, and aren't already connected over a secure
* (SSL) socket connection. */
- if ($tls && version_compare(PHP_VERSION, '5.1.0', '>=') &&
- extension_loaded('openssl') && isset($this->_esmtp['STARTTLS']) &&
- strncasecmp($this->host, 'ssl://', 6) !== 0) {
+ 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 = $this->_put('STARTTLS'))) {
+ if (PEAR::isError($result = $this->put('STARTTLS'))) {
return $result;
}
- if (PEAR::isError($result = $this->_parseResponse(220))) {
+ if (PEAR::isError($result = $this->parseResponse(220))) {
return $result;
}
- if (PEAR::isError($result = $this->_socket->enableCrypto(true, STREAM_CRYPTO_METHOD_TLS_CLIENT))) {
+ if (isset($this->socket_options['ssl']['crypto_method'])) {
+ $crypto_method = $this->socket_options['ssl']['crypto_method'];
+ } else {
+ /* STREAM_CRYPTO_METHOD_TLS_ANY_CLIENT constant does not exist
+ * and STREAM_CRYPTO_METHOD_SSLv23_CLIENT constant is
+ * inconsistent across PHP versions. */
+ $crypto_method = STREAM_CRYPTO_METHOD_TLS_CLIENT
+ | @STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT
+ | @STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT;
+ }
+ if (PEAR::isError($result = $this->socket->enableCrypto(true, $crypto_method))) {
return $result;
} elseif ($result !== true) {
return PEAR::raiseError('STARTTLS failed');
/* Send EHLO again to recieve the AUTH string from the
* SMTP server. */
- $this->_negotiate();
+ $this->negotiate();
}
- if (empty($this->_esmtp['AUTH'])) {
+ 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 = $this->_getBestAuthMethod())) {
+ if (PEAR::isError($method = $this->getBestAuthMethod())) {
/* Return the PEAR_Error object from _getBestAuthMethod(). */
return $method;
}
} else {
$method = strtoupper($method);
- if (!in_array($method, $this->auth_methods)) {
+ if (!array_key_exists($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, $pwd);
- break;
+ if (!isset($this->auth_methods[$method])) {
+ return PEAR::raiseError("$method is not a supported authentication method");
+ }
- case 'PLAIN':
- $result = $this->_authPlain($uid, $pwd);
- break;
+ if (!is_callable($this->auth_methods[$method], false)) {
+ return PEAR::raiseError("$method authentication method cannot be called");
+ }
- default:
- $result = PEAR::raiseError("$method is not a supported authentication method");
- break;
+ if (is_array($this->auth_methods[$method])) {
+ list($object, $method) = $this->auth_methods[$method];
+ $result = $object->{$method}($uid, $pwd, $authz, $this);
+ } else {
+ $func = $this->auth_methods[$method];
+ $result = $func($uid, $pwd, $authz, $this);
}
/* If an error was encountered, return the PEAR_Error object. */
return true;
}
+ /**
+ * Add a new authentication method.
+ *
+ * @param string $name The authentication method name (e.g. 'PLAIN')
+ * @param mixed $callback The authentication callback (given as the name of a
+ * function or as an (object, method name) array).
+ * @param bool $prepend Should the new method be prepended to the list of
+ * available methods? This is the default behavior,
+ * giving the new method the highest priority.
+ *
+ * @return mixed True on success or a PEAR_Error object on failure.
+ *
+ * @since 1.6.0
+ */
+ public function setAuthMethod($name, $callback, $prepend = true)
+ {
+ if (!is_string($name)) {
+ return PEAR::raiseError('Method name is not a string');
+ }
+
+ if (!is_string($callback) && !is_array($callback)) {
+ return PEAR::raiseError('Method callback must be string or array');
+ }
+
+ if (is_array($callback)) {
+ if (!is_object($callback[0]) || !is_string($callback[1])) {
+ return PEAR::raiseError('Bad mMethod callback array');
+ }
+ }
+
+ if ($prepend) {
+ $this->auth_methods = array_merge(
+ array($name => $callback), $this->auth_methods
+ );
+ } else {
+ $this->auth_methods[$name] = $callback;
+ }
+
+ return true;
+ }
+
/**
* Authenticates the user using the DIGEST-MD5 method.
*
- * @param string The userid to authenticate as.
- * @param string The password to authenticate with.
+ * @param string $uid The userid to authenticate as.
+ * @param string $pwd The password to authenticate with.
+ * @param string $authz The optional authorization proxy identifier.
*
* @return mixed Returns a PEAR_Error with an error message on any
* kind of failure, or true on success.
- * @access private
- * @since 1.1.0
+ * @since 1.1.0
*/
- function _authDigest_MD5($uid, $pwd)
+ protected function authDigestMD5($uid, $pwd, $authz = '')
{
- if (PEAR::isError($error = $this->_put('AUTH', 'DIGEST-MD5'))) {
+ if (PEAR::isError($error = $this->put('AUTH', 'DIGEST-MD5'))) {
return $error;
}
/* 334: Continue authentication request */
- if (PEAR::isError($error = $this->_parseResponse(334))) {
+ if (PEAR::isError($error = $this->parseResponse(334))) {
/* 503: Error: already authenticated */
- if ($this->_code === 503) {
+ 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"));
+ $digest = Auth_SASL::factory('digest-md5');
+ $challenge = base64_decode($this->arguments[0]);
+ $auth_str = base64_encode(
+ $digest->getResponse($uid, $pwd, $challenge, $this->host, "smtp", $authz)
+ );
- if (PEAR::isError($error = $this->_put($auth_str))) {
+ if (PEAR::isError($error = $this->put($auth_str))) {
return $error;
}
/* 334: Continue authentication request */
- if (PEAR::isError($error = $this->_parseResponse(334))) {
+ if (PEAR::isError($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 = $this->_put(''))) {
+ if (PEAR::isError($error = $this->put(''))) {
return $error;
}
/* 235: Authentication successful */
- if (PEAR::isError($error = $this->_parseResponse(235))) {
+ if (PEAR::isError($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.
+ * @param string $uid The userid to authenticate as.
+ * @param string $pwd The password to authenticate with.
+ * @param string $authz The optional authorization proxy identifier.
*
* @return mixed Returns a PEAR_Error with an error message on any
* kind of failure, or true on success.
- * @access private
- * @since 1.1.0
+ * @since 1.1.0
*/
- function _authCRAM_MD5($uid, $pwd)
+ protected function authCRAMMD5($uid, $pwd, $authz = '')
{
- if (PEAR::isError($error = $this->_put('AUTH', 'CRAM-MD5'))) {
+ if (PEAR::isError($error = $this->put('AUTH', 'CRAM-MD5'))) {
return $error;
}
/* 334: Continue authentication request */
- if (PEAR::isError($error = $this->_parseResponse(334))) {
+ if (PEAR::isError($error = $this->parseResponse(334))) {
/* 503: Error: already authenticated */
- if ($this->_code === 503) {
+ 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));
+ $challenge = base64_decode($this->arguments[0]);
+ $cram = Auth_SASL::factory('cram-md5');
+ $auth_str = base64_encode($cram->getResponse($uid, $pwd, $challenge));
- if (PEAR::isError($error = $this->_put($auth_str))) {
+ if (PEAR::isError($error = $this->put($auth_str))) {
return $error;
}
/* 235: Authentication successful */
- if (PEAR::isError($error = $this->_parseResponse(235))) {
+ if (PEAR::isError($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.
+ * @param string $uid The userid to authenticate as.
+ * @param string $pwd The password to authenticate with.
+ * @param string $authz The optional authorization proxy identifier.
*
* @return mixed Returns a PEAR_Error with an error message on any
* kind of failure, or true on success.
- * @access private
- * @since 1.1.0
+ * @since 1.1.0
*/
- function _authLogin($uid, $pwd)
+ protected function authLogin($uid, $pwd, $authz = '')
{
- if (PEAR::isError($error = $this->_put('AUTH', 'LOGIN'))) {
+ if (PEAR::isError($error = $this->put('AUTH', 'LOGIN'))) {
return $error;
}
/* 334: Continue authentication request */
- if (PEAR::isError($error = $this->_parseResponse(334))) {
+ if (PEAR::isError($error = $this->parseResponse(334))) {
/* 503: Error: already authenticated */
- if ($this->_code === 503) {
+ if ($this->code === 503) {
return true;
}
return $error;
}
- if (PEAR::isError($error = $this->_put(base64_encode($uid)))) {
+ if (PEAR::isError($error = $this->put(base64_encode($uid)))) {
return $error;
}
/* 334: Continue authentication request */
- if (PEAR::isError($error = $this->_parseResponse(334))) {
+ if (PEAR::isError($error = $this->parseResponse(334))) {
return $error;
}
- if (PEAR::isError($error = $this->_put(base64_encode($pwd)))) {
+ if (PEAR::isError($error = $this->put(base64_encode($pwd)))) {
return $error;
}
/* 235: Authentication successful */
- if (PEAR::isError($error = $this->_parseResponse(235))) {
+ if (PEAR::isError($error = $this->parseResponse(235))) {
return $error;
}
/**
* Authenticates the user using the PLAIN method.
*
- * @param string The userid to authenticate as.
- * @param string The password to authenticate with.
+ * @param string $uid The userid to authenticate as.
+ * @param string $pwd The password to authenticate with.
+ * @param string $authz The optional authorization proxy identifier.
*
* @return mixed Returns a PEAR_Error with an error message on any
* kind of failure, or true on success.
- * @access private
- * @since 1.1.0
+ * @since 1.1.0
*/
- function _authPlain($uid, $pwd)
+ protected function authPlain($uid, $pwd, $authz = '')
{
- if (PEAR::isError($error = $this->_put('AUTH', 'PLAIN'))) {
+ if (PEAR::isError($error = $this->put('AUTH', 'PLAIN'))) {
return $error;
}
/* 334: Continue authentication request */
- if (PEAR::isError($error = $this->_parseResponse(334))) {
+ if (PEAR::isError($error = $this->parseResponse(334))) {
/* 503: Error: already authenticated */
- if ($this->_code === 503) {
+ if ($this->code === 503) {
return true;
}
return $error;
}
- $auth_str = base64_encode(chr(0) . $uid . chr(0) . $pwd);
+ $auth_str = base64_encode($authz . chr(0) . $uid . chr(0) . $pwd);
- if (PEAR::isError($error = $this->_put($auth_str))) {
+ if (PEAR::isError($error = $this->put($auth_str))) {
return $error;
}
/* 235: Authentication successful */
- if (PEAR::isError($error = $this->_parseResponse(235))) {
+ if (PEAR::isError($error = $this->parseResponse(235))) {
return $error;
}
/**
* Send the HELO command.
*
- * @param string The domain name to say we are.
+ * @param string $domain The domain name to say we are.
*
* @return mixed Returns a PEAR_Error with an error message on any
* kind of failure, or true on success.
- * @access public
- * @since 1.0
+ * @since 1.0
*/
- function helo($domain)
+ public function helo($domain)
{
- if (PEAR::isError($error = $this->_put('HELO', $domain))) {
+ if (PEAR::isError($error = $this->put('HELO', $domain))) {
return $error;
}
- if (PEAR::isError($error = $this->_parseResponse(250))) {
+ if (PEAR::isError($error = $this->parseResponse(250))) {
return $error;
}
* 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()
+ public function getServiceExtensions()
{
- return $this->_esmtp;
+ 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.
+ * @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.
+ * If $params is an array, only the 'verp' option
+ * is supported. If 'verp' is true, the XVERP
+ * parameter is appended to the MAIL command.
+ * If the 'verp' value is a string, the full
+ * XVERP=value parameter is appended.
*
* @return mixed Returns a PEAR_Error with an error message on any
* kind of failure, or true on success.
- * @access public
- * @since 1.0
+ * @since 1.0
*/
- function mailFrom($sender, $params = null)
+ public function mailFrom($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)) {
+ } elseif (is_string($params) && !empty($params)) {
$args .= ' ' . $params;
}
- if (PEAR::isError($error = $this->_put('MAIL', $args))) {
+ if (PEAR::isError($error = $this->put('MAIL', $args))) {
return $error;
}
- if (PEAR::isError($error = $this->_parseResponse(250, $this->pipelining))) {
+ if (PEAR::isError($error = $this->parseResponse(250, $this->pipelining))) {
return $error;
}
* @return mixed Returns a PEAR_Error with an error message on any
* kind of failure, or true on success.
*
- * @access public
- * @since 1.0
+ * @since 1.0
*/
- function rcptTo($recipient, $params = null)
+ public function rcptTo($recipient, $params = null)
{
$args = "TO:<$recipient>";
if (is_string($params)) {
$args .= ' ' . $params;
}
- if (PEAR::isError($error = $this->_put('RCPT', $args))) {
+ if (PEAR::isError($error = $this->put('RCPT', $args))) {
return $error;
}
- if (PEAR::isError($error = $this->_parseResponse(array(250, 251), $this->pipelining))) {
+ if (PEAR::isError($error = $this->parseResponse(array(250, 251), $this->pipelining))) {
return $error;
}
* easier overloading for the cases where it is desirable to
* customize the quoting behavior.
*
- * @param string $data The message text to quote. The string must be passed
+ * @param string &$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
+ * @since 1.2
*/
- function quotedata(&$data)
+ public function quotedata(&$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);
+ * data, legitimate leading periods need to be "doubled" ('..'). */
+ $data = preg_replace('/^\./m', '..', $data);
+
+ /* Change Unix (\n) and Mac (\r) linefeeds into CRLF's (\r\n). */
+ $data = preg_replace('/(?:\r\n|\n|\r(?!\n))/', "\r\n", $data);
}
/**
* Send the DATA command.
*
- * @param mixed $data The message data, either as a string or an open
+ * @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,
* $data is assumed to contain only body data.
*
* @return mixed Returns a PEAR_Error with an error message on any
* kind of failure, or true on success.
- * @access public
- * @since 1.0
+ * @since 1.0
*/
- function data($data, $headers = null)
+ public function data($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);
- }
+ /* 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($headers) + 4;
- if ($size >= $this->_esmtp['SIZE']) {
- $this->disconnect();
- return PEAR::raiseError('Message size exceeds server limit');
+ if (is_resource($data)) {
+ $stat = fstat($data);
+ if ($stat === false) {
+ return PEAR::raiseError('Failed to get file size');
}
+ $size += $stat['size'];
+ } else {
+ $size += strlen($data);
+ }
+
+ /* 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". */
+ $limit = (isset($this->esmtp['SIZE'])) ? $this->esmtp['SIZE'] : 0;
+ if ($limit > 0 && $size >= $limit) {
+ $this->disconnect();
+ return PEAR::raiseError('Message size exceeds server limit');
}
/* Initiate the DATA command. */
- if (PEAR::isError($error = $this->_put('DATA'))) {
+ if (PEAR::isError($error = $this->put('DATA'))) {
return $error;
}
- if (PEAR::isError($error = $this->_parseResponse(354))) {
+ if (PEAR::isError($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"))) {
+ if (PEAR::isError($result = $this->send($headers . "\r\n\r\n"))) {
return $result;
}
}
/* Stream the contents of the file resource out over our socket
* connection, line by line. Each line must be run through the
* quoting routine. */
- while ($line = fgets($data, 1024)) {
+ while (strlen($line = fread($data, 8192)) > 0) {
+ /* If the last character is an newline, we need to grab the
+ * next character to check to see if it is a period. */
+ while (!feof($data)) {
+ $char = fread($data, 1);
+ $line .= $char;
+ if ($char != "\n") {
+ break;
+ }
+ }
$this->quotedata($line);
- if (PEAR::isError($result = $this->_send($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;
- }
+ $last = $line;
} 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 $result;
+ /*
+ * Break up the data by sending one chunk (up to 512k) at a time.
+ * This approach reduces our peak memory usage.
+ */
+ for ($offset = 0; $offset < $size;) {
+ $end = $offset + 512000;
+
+ /*
+ * Ensure we don't read beyond our data size or span multiple
+ * lines. quotedata() can't properly handle character data
+ * that's split across two line break boundaries.
+ */
+ if ($end >= $size) {
+ $end = $size;
+ } else {
+ for (; $end < $size; $end++) {
+ if ($data[$end] != "\n") {
+ break;
+ }
+ }
+ }
+
+ /* Extract our chunk and run it through the quoting routine. */
+ $chunk = substr($data, $offset, $end - $offset);
+ $this->quotedata($chunk);
+
+ /* If we run into a problem along the way, abort. */
+ if (PEAR::isError($result = $this->send($chunk))) {
+ return $result;
+ }
+
+ /* Advance the offset to the end of this chunk. */
+ $offset = $end;
}
+
+ $last = $chunk;
+ }
+
+ /* Don't add another CRLF sequence if it's already in the data */
+ $terminator = (substr($last, -2) == "\r\n" ? '' : "\r\n") . ".\r\n";
+
+ /* Finally, send the DATA terminator sequence. */
+ if (PEAR::isError($result = $this->send($terminator))) {
+ return $result;
}
/* Verify that the data was successfully received by the server. */
- if (PEAR::isError($error = $this->_parseResponse(250, $this->pipelining))) {
+ if (PEAR::isError($error = $this->parseResponse(250, $this->pipelining))) {
return $error;
}
/**
* Send the SEND FROM: command.
*
- * @param string The reverse path to send.
+ * @param string $path The reverse path to send.
*
* @return mixed Returns a PEAR_Error with an error message on any
* kind of failure, or true on success.
- * @access public
- * @since 1.2.6
+ * @since 1.2.6
*/
- function sendFrom($path)
+ public function sendFrom($path)
{
- if (PEAR::isError($error = $this->_put('SEND', "FROM:<$path>"))) {
+ if (PEAR::isError($error = $this->put('SEND', "FROM:<$path>"))) {
return $error;
}
- if (PEAR::isError($error = $this->_parseResponse(250, $this->pipelining))) {
+ if (PEAR::isError($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.
+ * @param string $path The reverse path to send.
*
* @return mixed Returns a PEAR_Error with an error message on any
* kind of failure, or true on success.
- * @access public
- * @since 1.2.6
+ * @since 1.2.6
*/
- function somlFrom($path)
+ public function somlFrom($path)
{
- if (PEAR::isError($error = $this->_put('SOML', "FROM:<$path>"))) {
+ if (PEAR::isError($error = $this->put('SOML', "FROM:<$path>"))) {
return $error;
}
- if (PEAR::isError($error = $this->_parseResponse(250, $this->pipelining))) {
+ if (PEAR::isError($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.
+ * @param string $path The reverse path to send.
*
* @return mixed Returns a PEAR_Error with an error message on any
* kind of failure, or true on success.
- * @access public
- * @since 1.2.6
+ * @since 1.2.6
*/
- function samlFrom($path)
+ public function samlFrom($path)
{
- if (PEAR::isError($error = $this->_put('SAML', "FROM:<$path>"))) {
+ if (PEAR::isError($error = $this->put('SAML', "FROM:<$path>"))) {
return $error;
}
- if (PEAR::isError($error = $this->_parseResponse(250, $this->pipelining))) {
+ if (PEAR::isError($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($path);
- }
-
/**
* Send the RSET command.
*
* @return mixed Returns a PEAR_Error with an error message on any
* kind of failure, or true on success.
- * @access public
* @since 1.0
*/
- function rset()
+ public function rset()
{
- if (PEAR::isError($error = $this->_put('RSET'))) {
+ if (PEAR::isError($error = $this->put('RSET'))) {
return $error;
}
- if (PEAR::isError($error = $this->_parseResponse(250, $this->pipelining))) {
+ if (PEAR::isError($error = $this->parseResponse(250, $this->pipelining))) {
return $error;
}
/**
* Send the VRFY command.
*
- * @param string The string to verify
+ * @param string $string The string to verify
*
* @return mixed Returns a PEAR_Error with an error message on any
* kind of failure, or true on success.
- * @access public
- * @since 1.0
+ * @since 1.0
*/
- function vrfy($string)
+ public function vrfy($string)
{
/* Note: 251 is also a valid response code */
- if (PEAR::isError($error = $this->_put('VRFY', $string))) {
+ if (PEAR::isError($error = $this->put('VRFY', $string))) {
return $error;
}
- if (PEAR::isError($error = $this->_parseResponse(array(250, 252)))) {
+ if (PEAR::isError($error = $this->parseResponse(array(250, 252)))) {
return $error;
}
*
* @return mixed Returns a PEAR_Error with an error message on any
* kind of failure, or true on success.
- * @access public
- * @since 1.0
+ * @since 1.0
*/
- function noop()
+ public function noop()
{
- if (PEAR::isError($error = $this->_put('NOOP'))) {
+ if (PEAR::isError($error = $this->put('NOOP'))) {
return $error;
}
- if (PEAR::isError($error = $this->_parseResponse(250))) {
+ if (PEAR::isError($error = $this->parseResponse(250))) {
return $error;
}
* Backwards-compatibility method. identifySender()'s functionality is
* now handled internally.
*
- * @return boolean This method always return true.
+ * @return boolean This method always return true.
*
- * @access public
- * @since 1.0
+ * @since 1.0
*/
- function identifySender()
+ public function identifySender()
{
return true;
}
-
}