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files >> //opt/alt/php51/usr/share/pear/Net/SMTP.php
<?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> | // +----------------------------------------------------------------------+ 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(); /** * 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; /** * Array of socket options that will be passed to Net_Socket::connect(). * @see stream_context_create() * @var array * @access private */ var $_socket_options = null; /** * The socket I/O timeout value in seconds. * @var int * @access private */ var $_timeout = 0; /** * 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 * @param integer $timeout Socket I/O timeout in seconds. * @param array $socket_options Socket stream_context_create() options. * * @access public * @since 1.0 */ function Net_SMTP($host = null, $port = null, $localhost = null, $pipelining = false, $timeout = 0, $socket_options = null) { if (isset($host)) { $this->host = $host; } if (isset($port)) { $this->port = $port; } if (isset($localhost)) { $this->localhost = $localhost; } $this->pipelining = $pipelining; $this->_socket = new Net_Socket(); $this->_socket_options = $socket_options; $this->_timeout = $timeout; /* 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, '_authCram_MD5')); $this->setAuthMethod('DIGEST-MD5', array($this, '_authDigest_MD5')); } /* 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 $microseconds Additional value in microseconds. * * @access public * @since 1.5.0 */ function setTimeout($seconds, $microseconds = 0) { return $this->_socket->setTimeout($seconds, $microseconds); } /** * Set the value of the debugging flag. * * @param boolean $debug New value for the debugging flag. * * @access public * @since 1.1.0 */ function setDebug($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 $data The string of data to send. * * @return mixed The number of bytes that were actually written, * or a PEAR_Error object on failure. * * @access private * @since 1.1.0 */ function _send($data) { $this->_debug("Send: $data"); $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", null, PEAR_ERROR_RETURN); } return $result; } /** * 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', null, PEAR_ERROR_RETURN); } 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: $line"); /* If we receive an empty line, the connection was closed. */ if (empty($line)) { $this->disconnect(); return PEAR::raiseError('Connection was closed', null, PEAR_ERROR_RETURN); } /* 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, PEAR_ERROR_RETURN); } /** * Issue an SMTP command and verify its response. * * @param string $command The SMTP command string or data. * @param mixed $valid The set of valid response codes. These * may be specified as an array of integer * values or as a single integer value. * * @return mixed True on success or a PEAR_Error object on failure. * * @access public * @since 1.6.0 */ function command($command, $valid) { if (PEAR::isError($error = $this->_put($command))) { return $error; } if (PEAR::isError($error = $this->_parseResponse($valid))) { return $error; } return true; } /** * Return a 2-tuple containing the last response from the SMTP server. * * @return array A two-element array: the first element contains the * response code as an integer and the second element * contains the response's arguments as a string. * * @access public * @since 1.1.0 */ function getResponse() { return array($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 attempt. * @param bool $persistent Should a persistent socket connection * be used? * * @return mixed Returns a PEAR_Error with an error message on any * kind of failure, or true on success. * @access public * @since 1.0 */ function connect($timeout = null, $persistent = false) { $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()); } /* * 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))) { 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 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: ', $this->_code, PEAR_ERROR_RETURN); } return true; } foreach ($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 => $callback) { if (in_array($method, $available_methods)) { return $method; } } return PEAR::raiseError('No supported authentication methods', null, PEAR_ERROR_RETURN); } /** * Attempt to do SMTP authentication. * * @param string The userid to authenticate as. * @param string The password to authenticate with. * @param string The requested authentication method. If none is * specified, the best supported method will be used. * @param bool Flag indicating whether or not TLS should be attempted. * @param string An optional authorization identifier. If specified, this * identifier will be used as the authorization proxy. * * @return mixed Returns a PEAR_Error with an error message on any * kind of failure, or true on success. * @access public * @since 1.0 */ function auth($uid, $pwd , $method = '', $tls = true, $authz = '') { /* We can only attempt a TLS connection if one has been requested, * we're running PHP 5.1.0 or later, have access to the OpenSSL * extension, are connected to an SMTP server which supports the * STARTTLS extension, and aren't already connected over a secure * (SSL) socket connection. */ if ($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 (!array_key_exists($method, $this->auth_methods)) { return PEAR::raiseError("$method is not a supported authentication method"); } } if (!isset($this->auth_methods[$method])) { return PEAR::raiseError("$method is not a supported authentication method"); } if (!is_callable($this->auth_methods[$method], false)) { return PEAR::raiseError("$method authentication method cannot be called"); } 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, $this); } /* If an error was encountered, return the PEAR_Error object. */ if (PEAR::isError($result)) { return $result; } return true; } /** * Add a new authentication method. * * @param string The authentication method name (e.g. 'PLAIN') * @param mixed The authentication callback (given as the name of a * function or as an (object, method name) array). * @param bool Should the new method be prepended to the list of * available methods? This is the default behavior, * giving the new method the highest priority. * * @return mixed True on success or a PEAR_Error object on failure. * * @access public * @since 1.6.0 */ function setAuthMethod($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] = $callback; } return true; } /** * Authenticates the user using the DIGEST-MD5 method. * * @param string The userid to authenticate as. * @param string The password to authenticate with. * @param string The optional authorization proxy identifier. * * @return mixed Returns a PEAR_Error with an error message on any * kind of failure, or true on success. * @access private * @since 1.1.0 */ function _authDigest_MD5($uid, $pwd, $authz = '') { if (PEAR::isError($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('digest-md5'); $auth_str = base64_encode($digest->getResponse($uid, $pwd, $challenge, $this->host, "smtp", $authz)); if (PEAR::isError($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 $error; } } /** * Authenticates the user using the CRAM-MD5 method. * * @param string The userid to authenticate as. * @param string The password to authenticate with. * @param string The optional authorization proxy identifier. * * @return mixed Returns a PEAR_Error with an error message on any * kind of failure, or true on success. * @access private * @since 1.1.0 */ function _authCRAM_MD5($uid, $pwd, $authz = '') { if (PEAR::isError($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('cram-md5'); $auth_str = base64_encode($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 $error; } } /** * Authenticates the user using the LOGIN method. * * @param string The userid to authenticate as. * @param string The password to authenticate with. * @param string The optional authorization proxy identifier. * * @return mixed Returns a PEAR_Error with an error message on any * kind of failure, or true on success. * @access private * @since 1.1.0 */ function _authLogin($uid, $pwd, $authz = '') { if (PEAR::isError($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 $error; } return true; } /** * Authenticates the user using the PLAIN method. * * @param string The userid to authenticate as. * @param string The password to authenticate with. * @param string The optional authorization proxy identifier. * * @return mixed Returns a PEAR_Error with an error message on any * kind of failure, or true on success. * @access private * @since 1.1.0 */ function _authPlain($uid, $pwd, $authz = '') { if (PEAR::isError($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; } $auth_str = base64_encode($authz . 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) && !empty($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) { /* Because a single leading period (.) signifies an end to the * 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 * 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'); } /* 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); } /* 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'))) { 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 (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))) { return $result; } } $last = $line; } else { /* * Break up the data by sending one chunk (up to 512k) at a time. * This approach reduces our peak memory usage. */ for ($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))) { 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; } }
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