/usr/share/php/Horde/Mail/Transport/Smtp.php is in php-horde-mail 2.6.3-1ubuntu1.
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/**
* Copyright 2010-2016 Horde LLC (http://www.horde.org/)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* o Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* o Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* o The names of the authors may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @category Horde
* @copyright 2010-2016 Horde LLC
* @license http://www.horde.org/licenses/bsd New BSD License
* @package Mail
*/
/**
* SMTP implementation.
*
* @author Chuck Hagenbuch <chuck@horde.org>
* @author Jon Parise <jon@php.net>
* @author Michael Slusarz <slusarz@horde.org>
* @category Horde
* @copyright 2010-2016 Horde LLC
* @deprecated Use Horde_Mail_Transport_Hordesmtp instead
* @license http://www.horde.org/licenses/bsd New BSD License
* @package Mail
*/
class Horde_Mail_Transport_Smtp extends Horde_Mail_Transport
{
/* Error: Failed to create a Net_SMTP object */
const ERROR_CREATE = 10000;
/* Error: Failed to connect to SMTP server */
const ERROR_CONNECT = 10001;
/* Error: SMTP authentication failure */
const ERROR_AUTH = 10002;
/* Error: No From: address has been provided */
const ERROR_FROM = 10003;
/* Error: Failed to set sender */
const ERROR_SENDER = 10004;
/* Error: Failed to add recipient */
const ERROR_RECIPIENT = 10005;
/* Error: Failed to send data */
const ERROR_DATA = 10006;
/**
* The SMTP greeting.
*
* @var string
*/
public $greeting = null;
/**
* The SMTP queued response.
*
* @var string
*/
public $queuedAs = null;
/**
* SMTP connection object.
*
* @var Net_SMTP
*/
protected $_smtp = null;
/**
* The list of service extension parameters to pass to the Net_SMTP
* mailFrom() command.
*
* @var array
*/
protected $_extparams = array();
/**
* Constructor.
*
* @param array $params Additional parameters:
* - auth: (mixed) SMTP authentication.
* This value may be set to true, false or the name of a
* specific authentication method. If the value is set to true,
* the Net_SMTP package will attempt to use the best
* authentication method advertised by the remote SMTP server.
* DEFAULT: false.
* - debug: (boolean) Activate SMTP debug mode?
* DEFAULT: false
* - host: (string) The server to connect to.
* DEFAULT: localhost
* - localhost: (string) Hostname or domain that will be sent to the
* remote SMTP server in the HELO / EHLO message.
* DEFAULT: localhost
* - password: (string) The password to use for SMTP auth.
* DEFAULT: NONE
* - persist: (boolean) Should the SMTP connection persist?
* DEFAULT: false
* - pipelining: (boolean) Use SMTP command pipelining.
* Use SMTP command pipelining (specified in RFC 2920) if
* the SMTP server supports it. This speeds up delivery
* over high-latency connections.
* DEFAULT: false (use default value from Net_SMTP)
* - port: (integer) The port to connect to.
* DEFAULT: 25
* - timeout: (integer) The SMTP connection timeout.
* DEFAULT: NONE
* - username: (string) The username to use for SMTP auth.
* DEFAULT: NONE
*/
public function __construct(array $params = array())
{
$this->_params = array_merge(array(
'auth' => false,
'debug' => false,
'host' => 'localhost',
'localhost' => 'localhost',
'password' => '',
'persist' => false,
'pipelining' => false,
'port' => 25,
'timeout' => null,
'username' => ''
), $params);
/* Destructor implementation to ensure that we disconnect from any
* potentially-alive persistent SMTP connections. */
register_shutdown_function(array($this, 'disconnect'));
/* SMTP requires CRLF line endings. */
$this->sep = "\r\n";
}
/**
*/
public function send($recipients, array $headers, $body)
{
/* If we don't already have an SMTP object, create one. */
$this->getSMTPObject();
$headers = $this->_sanitizeHeaders($headers);
/* Make sure the message has a trailing newline. */
if (is_resource($body)) {
fseek($body, -1, SEEK_END);
switch (fgetc($body)) {
case "\r":
if (fgetc($body) != "\n") {
fputs($body, "\n");
}
break;
default:
fputs($body, "\r\n");
break;
}
rewind($body);
} elseif (substr($body, -2, 0) != "\r\n") {
$body .= "\r\n";
}
try {
list($from, $textHeaders) = $this->prepareHeaders($headers);
} catch (Horde_Mail_Exception $e) {
$this->_smtp->rset();
throw $e;
}
try {
$from = $this->_getFrom($from, $headers);
} catch (Horde_Mail_Exception $e) {
$this->_smtp->rset();
throw new Horde_Mail_Exception('No From: address has been provided', self::ERROR_FROM);
}
$params = '';
foreach ($this->_extparams as $key => $val) {
$params .= ' ' . $key . (is_null($val) ? '' : '=' . $val);
}
$res = $this->_smtp->mailFrom($from, ltrim($params));
if ($res instanceof PEAR_Error) {
$this->_error(sprintf("Failed to set sender: %s", $from), $res, self::ERROR_SENDER);
}
try {
$recipients = $this->parseRecipients($recipients);
} catch (Horde_Mail_Exception $e) {
$this->_smtp->rset();
throw $e;
}
foreach ($recipients as $recipient) {
$res = $this->_smtp->rcptTo($recipient);
if ($res instanceof PEAR_Error) {
$this->_error("Failed to add recipient: $recipient", $res, self::ERROR_RECIPIENT);
}
}
/* Send the message's headers and the body as SMTP data. Net_SMTP does
* the necessary EOL conversions. */
$res = $this->_smtp->data($body, $textHeaders);
list(,$args) = $this->_smtp->getResponse();
if (preg_match("/Ok: queued as (.*)/", $args, $queued)) {
$this->queuedAs = $queued[1];
}
/* We need the greeting; from it we can extract the authorative name
* of the mail server we've really connected to. Ideal if we're
* connecting to a round-robin of relay servers and need to track
* which exact one took the email */
$this->greeting = $this->_smtp->getGreeting();
if ($res instanceof PEAR_Error) {
$this->_error('Failed to send data', $res, self::ERROR_DATA);
}
/* If persistent connections are disabled, destroy our SMTP object. */
if (!$this->_params['persist']) {
$this->disconnect();
}
}
/**
* Connect to the SMTP server by instantiating a Net_SMTP object.
*
* @return Net_SMTP The SMTP object.
* @throws Horde_Mail_Exception
*/
public function getSMTPObject()
{
if ($this->_smtp) {
return $this->_smtp;
}
$this->_smtp = new Net_SMTP(
$this->_params['host'],
$this->_params['port'],
$this->_params['localhost']
);
/* Set pipelining. */
if ($this->_params['pipelining']) {
$this->_smtp->pipelining = true;
}
/* If we still don't have an SMTP object at this point, fail. */
if (!($this->_smtp instanceof Net_SMTP)) {
throw new Horde_Mail_Exception('Failed to create a Net_SMTP object', self::ERROR_CREATE);
}
/* Configure the SMTP connection. */
if ($this->_params['debug']) {
$this->_smtp->setDebug(true);
}
/* Attempt to connect to the configured SMTP server. */
$res = $this->_smtp->connect($this->_params['timeout']);
if ($res instanceof PEAR_Error) {
$this->_error('Failed to connect to ' . $this->_params['host'] . ':' . $this->_params['port'], $res, self::ERROR_CONNECT);
}
/* Attempt to authenticate if authentication has been enabled. */
if ($this->_params['auth']) {
$method = is_string($this->_params['auth'])
? $this->_params['auth']
: '';
$res = $this->_smtp->auth($this->_params['username'], $this->_params['password'], $method);
if ($res instanceof PEAR_Error) {
$this->_error("$method authentication failure", $res, self::ERROR_AUTH);
}
}
return $this->_smtp;
}
/**
* Add parameter associated with a SMTP service extension.
*
* @param string $keyword Extension keyword.
* @param string $value Any value the keyword needs.
*/
public function addServiceExtensionParameter($keyword, $value = null)
{
$this->_extparams[$keyword] = $value;
}
/**
* Disconnect and destroy the current SMTP connection.
*
* @return boolean True if the SMTP connection no longer exists.
*/
public function disconnect()
{
/* If we have an SMTP object, disconnect and destroy it. */
if (is_object($this->_smtp) && $this->_smtp->disconnect()) {
$this->_smtp = null;
}
/* We are disconnected if we no longer have an SMTP object. */
return ($this->_smtp === null);
}
/**
* Build a standardized string describing the current SMTP error.
*
* @param string $text Custom string describing the error context.
* @param PEAR_Error $error PEAR_Error object.
* @param integer $e_code Error code.
*
* @throws Horde_Mail_Exception
*/
protected function _error($text, $error, $e_code)
{
/* Split the SMTP response into a code and a response string. */
list($code, $response) = $this->_smtp->getResponse();
/* Abort current SMTP transaction. */
$this->_smtp->rset();
/* Build our standardized error string. */
throw new Horde_Mail_Exception($text . ' [SMTP: ' . $error->getMessage() . " (code: $code, response: $response)]", $e_code);
}
}
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