363 lines
11 KiB
PHP
363 lines
11 KiB
PHP
<?php
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/**
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* Copyright 2010-2017 Horde LLC (http://www.horde.org/)
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* Copyright (c) 2010 Gerd Schaufelberger
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* o Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* o Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* o The names of the authors may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* @category Horde
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* @copyright 2010-2017 Horde LLC
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* @copyright 2010 Gerd Schaufelberger
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* @license http://www.horde.org/licenses/bsd New BSD License
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* @package Mail
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*/
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/**
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* SMTP MX implementation.
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*
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* @author Gerd Schaufelberger <gerd@php-tools.net>
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* @author Michael Slusarz <slusarz@horde.org>
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* @category Horde
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* @copyright 2010-2016 Horde LLC
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* @copyright 2010 Gerd Schaufelberger
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* @deprecated Use Horde_Mail_Transport_Hordesmtp instead
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* @license http://www.horde.org/licenses/bsd New BSD License
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* @package Mail
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*/
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class Horde_Mail_Transport_Smtpmx extends Horde_Mail_Transport
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{
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/**
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* SMTP connection object.
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*
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* @var Net_SMTP
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*/
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protected $_smtp = null;
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/**
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* Net_DNS2_Resolver object.
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*
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* @var Net_DNS2_Resolver
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*/
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protected $_resolver;
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/**
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* Internal error codes.
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* Translate internal error identifier to human readable messages.
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*
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* @var array
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*/
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protected $_errorCode = array(
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'not_connected' => array(
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'code' => 1,
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'msg' => 'Could not connect to any mail server ({HOST}) at port {PORT} to send mail to {RCPT}.'
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),
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'failed_vrfy_rcpt' => array(
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'code' => 2,
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'msg' => 'Recipient "{RCPT}" could not be veryfied.'
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),
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'failed_set_from' => array(
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'code' => 3,
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'msg' => 'Failed to set sender: {FROM}.'
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),
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'failed_set_rcpt' => array(
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'code' => 4,
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'msg' => 'Failed to set recipient: {RCPT}.'
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),
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'failed_send_data' => array(
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'code' => 5,
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'msg' => 'Failed to send mail to: {RCPT}.'
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),
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'no_from' => array(
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'code' => 5,
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'msg' => 'No from address has be provided.'
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),
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'send_data' => array(
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'code' => 7,
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'msg' => 'Failed to create Net_SMTP object.'
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),
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'no_mx' => array(
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'code' => 8,
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'msg' => 'No MX-record for {RCPT} found.'
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),
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'no_resolver' => array(
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'code' => 9,
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'msg' => 'Could not start resolver! Install PEAR:Net_DNS2 or switch off "netdns"'
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),
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'failed_rset' => array(
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'code' => 10,
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'msg' => 'RSET command failed, SMTP-connection corrupt.'
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)
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);
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/**
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* @param array $params Additional options:
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* - debug: (boolean) Activate SMTP debug mode?
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* DEFAULT: false
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* - mailname: (string) The name of the local mail system (a valid
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* hostname which matches the reverse lookup)
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* DEFAULT: Auto-determined
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* - netdns: (boolean) Use PEAR:Net_DNS2 (true) or the PHP builtin
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* getmxrr().
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* DEFAULT: true
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* - port: (integer) Port.
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* DEFAULT: Auto-determined
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* - test: (boolean) Activate test mode?
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* DEFAULT: false
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* - timeout: (integer) The SMTP connection timeout (in seconds).
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* DEFAULT: 10
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* - verp: (boolean) Whether to use VERP.
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* If not a boolean, the string value will be used as the VERP
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* separators.
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* DEFAULT: false
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* - vrfy: (boolean) Whether to use VRFY.
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* DEFAULT: false
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*/
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public function __construct(array $params = array())
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{
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/* Try to find a valid mailname. */
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if (!isset($params['mailname']) && function_exists('posix_uname')) {
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$uname = posix_uname();
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$params['mailname'] = $uname['nodename'];
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}
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if (!isset($params['port'])) {
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$params['port'] = getservbyname('smtp', 'tcp');
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}
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$this->_params = array_merge(array(
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'debug' => false,
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'mailname' => 'localhost',
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'netdns' => true,
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'port' => 25,
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'test' => false,
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'timeout' => 10,
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'verp' => false,
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'vrfy' => false
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), $params);
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/* SMTP requires CRLF line endings. */
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$this->sep = "\r\n";
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}
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/**
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* Destructor implementation to ensure that we disconnect from any
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* potentially-alive persistent SMTP connections.
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*/
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public function __destruct()
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{
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if (is_object($this->_smtp)) {
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$this->_smtp->disconnect();
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$this->_smtp = null;
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}
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}
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/**
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*/
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public function send($recipients, array $headers, $body)
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{
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$headers = $this->_sanitizeHeaders($headers);
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// Prepare headers
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list($from, $textHeaders) = $this->prepareHeaders($headers);
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try {
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$from = $this->_getFrom($from, $headers);
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} catch (Horde_Mail_Exception $e) {
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$this->_error('no_from');
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}
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// Prepare recipients
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foreach ($this->parseRecipients($recipients) as $rcpt) {
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list(,$host) = explode('@', $rcpt);
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$mx = $this->_getMx($host);
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if (!$mx) {
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$this->_error('no_mx', array('rcpt' => $rcpt));
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}
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$connected = false;
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foreach (array_keys($mx) as $mserver) {
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$this->_smtp = new Net_SMTP($mserver, $this->_params['port'], $this->_params['mailname']);
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// configure the SMTP connection.
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if ($this->_params['debug']) {
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$this->_smtp->setDebug(true);
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}
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// attempt to connect to the configured SMTP server.
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$res = $this->_smtp->connect($this->_params['timeout']);
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if ($res instanceof PEAR_Error) {
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$this->_smtp = null;
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continue;
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}
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// connection established
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if ($res) {
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$connected = true;
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break;
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}
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}
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if (!$connected) {
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$this->_error('not_connected', array(
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'host' => implode(', ', array_keys($mx)),
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'port' => $this->_params['port'],
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'rcpt' => $rcpt
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));
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}
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// Verify recipient
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if ($this->_params['vrfy']) {
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$res = $this->_smtp->vrfy($rcpt);
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if ($res instanceof PEAR_Error) {
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$this->_error('failed_vrfy_rcpt', array('rcpt' => $rcpt));
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}
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}
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// mail from:
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$args['verp'] = $this->_params['verp'];
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$res = $this->_smtp->mailFrom($from, $args);
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if ($res instanceof PEAR_Error) {
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$this->_error('failed_set_from', array('from' => $from));
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}
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// rcpt to:
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$res = $this->_smtp->rcptTo($rcpt);
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if ($res instanceof PEAR_Error) {
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$this->_error('failed_set_rcpt', array('rcpt' => $rcpt));
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}
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// Don't send anything in test mode
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if ($this->_params['test']) {
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$res = $this->_smtp->rset();
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if ($res instanceof PEAR_Error) {
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$this->_error('failed_rset');
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}
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$this->_smtp->disconnect();
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$this->_smtp = null;
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return;
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}
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// Send data. Net_SMTP does necessary EOL conversions.
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$res = $this->_smtp->data($body, $textHeaders);
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if ($res instanceof PEAR_Error) {
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$this->_error('failed_send_data', array('rcpt' => $rcpt));
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}
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$this->_smtp->disconnect();
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$this->_smtp = null;
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}
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}
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/**
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* Recieve MX records for a host.
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*
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* @param string $host Mail host.
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*
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* @return mixed Sorted MX list or false on error.
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*/
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protected function _getMx($host)
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{
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$mx = array();
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if ($this->params['netdns']) {
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$this->_loadNetDns();
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try {
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$response = $this->_resolver->query($host, 'MX');
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if (!$response) {
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return false;
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}
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} catch (Exception $e) {
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throw new Horde_Mail_Exception($e);
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}
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foreach ($response->answer as $rr) {
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if ($rr->type == 'MX') {
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$mx[$rr->exchange] = $rr->preference;
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}
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}
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} else {
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$mxHost = $mxWeight = array();
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if (!getmxrr($host, $mxHost, $mxWeight)) {
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return false;
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}
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for ($i = 0; $i < count($mxHost); ++$i) {
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$mx[$mxHost[$i]] = $mxWeight[$i];
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}
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}
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asort($mx);
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return $mx;
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}
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/**
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* Initialize Net_DNS2_Resolver.
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*/
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protected function _loadNetDns()
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{
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if (!$this->_resolver) {
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if (!class_exists('Net_DNS2_Resolver')) {
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$this->_error('no_resolver');
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}
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$this->_resolver = new Net_DNS2_Resolver();
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}
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}
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/**
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* Format error message.
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*
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* @param string $id Maps error ids to codes and message.
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* @param array $info Optional information in associative array.
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*
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* @throws Horde_Mail_Exception
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*/
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protected function _error($id, $info = array())
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{
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$msg = $this->_errorCode[$id]['msg'];
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// include info to messages
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if (!empty($info)) {
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$replace = $search = array();
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foreach ($info as $key => $value) {
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$search[] = '{' . Horde_String::upper($key) . '}';
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$replace[] = $value;
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}
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$msg = str_replace($search, $replace, $msg);
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}
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throw new Horde_Mail_Exception($msg, $this->_errorCode[$id]['code']);
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}
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}
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