You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
362 lines
10 KiB
PHP
362 lines
10 KiB
PHP
<?php
|
|
|
|
/*
|
|
+-----------------------------------------------------------------------+
|
|
| program/include/rcube_smtp.inc |
|
|
| |
|
|
| This file is part of the RoundCube Webmail client |
|
|
| Copyright (C) 2005-2007, RoundCube Dev. - Switzerland |
|
|
| Licensed under the GNU GPL |
|
|
| |
|
|
| PURPOSE: |
|
|
| Provide SMTP functionality using socket connections |
|
|
| |
|
|
+-----------------------------------------------------------------------+
|
|
| Author: Thomas Bruederli <roundcube@gmail.com> |
|
|
+-----------------------------------------------------------------------+
|
|
|
|
$Id$
|
|
|
|
*/
|
|
|
|
/**
|
|
* SMTP delivery functions
|
|
*
|
|
* @package Mail
|
|
*/
|
|
|
|
// define headers delimiter
|
|
define('SMTP_MIME_CRLF', "\r\n");
|
|
|
|
$SMTP_CONN = null;
|
|
|
|
/**
|
|
* Function for sending mail using SMTP.
|
|
*
|
|
* @param string Sender e-Mail address
|
|
*
|
|
* @param mixed Either a comma-seperated list of recipients
|
|
* (RFC822 compliant), or an array of recipients,
|
|
* each RFC822 valid. This may contain recipients not
|
|
* specified in the headers, for Bcc:, resending
|
|
* messages, etc.
|
|
*
|
|
* @param mixed The message headers to send with the mail
|
|
* Either as an associative array or a finally
|
|
* formatted string
|
|
*
|
|
* @param string The full text of the message body, including any Mime parts, etc.
|
|
*
|
|
* @return bool Returns TRUE on success, or FALSE on error
|
|
*/
|
|
function smtp_mail($from, $recipients, &$headers, &$body, &$response, &$error)
|
|
{
|
|
global $SMTP_CONN, $RCMAIL;
|
|
|
|
// let plugins alter smtp connection config
|
|
$CONFIG = $RCMAIL->plugins->exec_hook('smtp_connect', array(
|
|
'smtp_server' => $RCMAIL->config->get('smtp_server'),
|
|
'smtp_port' => $RCMAIL->config->get('smtp_port', 25),
|
|
'smtp_user' => $RCMAIL->config->get('smtp_user'),
|
|
'smtp_pass' => $RCMAIL->config->get('smtp_pass'),
|
|
'smtp_auth_type' => $RCMAIL->config->get('smtp_auth_type'),
|
|
'smtp_helo_host' => $RCMAIL->config->get('smtp_helo_host'),
|
|
));
|
|
|
|
$smtp_timeout = null;
|
|
$smtp_host = $CONFIG['smtp_server'];
|
|
$smtp_port = is_numeric($CONFIG['smtp_port']) ? $CONFIG['smtp_port'] : 25;
|
|
$smtp_host_url = parse_url($CONFIG['smtp_server']);
|
|
|
|
// overwrite port
|
|
if (isset($smtp_host_url['host']) && isset($smtp_host_url['port']))
|
|
{
|
|
$smtp_host = $smtp_host_url['host'];
|
|
$smtp_port = $smtp_host_url['port'];
|
|
}
|
|
|
|
// re-write smtp host
|
|
if (isset($smtp_host_url['host']) && isset($smtp_host_url['scheme']))
|
|
$smtp_host = sprintf('%s://%s', $smtp_host_url['scheme'], $smtp_host_url['host']);
|
|
|
|
|
|
// create Net_SMTP object and connect to server
|
|
if (!is_object($SMTP_CONN))
|
|
{
|
|
if (!empty($CONFIG['smtp_helo_host']))
|
|
$helo_host = $CONFIG['smtp_helo_host'];
|
|
else if (!empty($_SERVER['SERVER_NAME']))
|
|
$helo_host = preg_replace('/:\d+$/', '', $_SERVER['SERVER_NAME']);
|
|
else
|
|
$helo_host = 'localhost';
|
|
|
|
$SMTP_CONN = new Net_SMTP($smtp_host, $smtp_port, $helo_host);
|
|
|
|
// try to connect to server and exit on failure
|
|
$result = $SMTP_CONN->connect($smtp_timeout);
|
|
if (PEAR::isError($result))
|
|
{
|
|
$response[] = "Connection failed: ".$result->getMessage();
|
|
$error = array('label' => 'smtpconnerror', 'vars' => array('code' => $SMTP_CONN->_code));
|
|
$SMTP_CONN = null;
|
|
return FALSE;
|
|
}
|
|
|
|
// attempt to authenticate to the SMTP server
|
|
if ($CONFIG['smtp_user'] && $CONFIG['smtp_pass'])
|
|
{
|
|
if (strstr($CONFIG['smtp_user'], '%u'))
|
|
$smtp_user = str_replace('%u', $_SESSION['username'], $CONFIG['smtp_user']);
|
|
else
|
|
$smtp_user = $CONFIG['smtp_user'];
|
|
|
|
if (strstr($CONFIG['smtp_pass'], '%p'))
|
|
$smtp_pass = str_replace('%p', $RCMAIL->decrypt($_SESSION['password']), $CONFIG['smtp_pass']);
|
|
else
|
|
$smtp_pass = $CONFIG['smtp_pass'];
|
|
|
|
$smtp_auth_type = empty($CONFIG['smtp_auth_type']) ? NULL : $CONFIG['smtp_auth_type'];
|
|
$result = $SMTP_CONN->auth($smtp_user, $smtp_pass, $smtp_auth_type);
|
|
|
|
if (PEAR::isError($result))
|
|
{
|
|
$error = array('label' => 'smtpautherror', 'vars' => array('code' => $SMTP_CONN->_code));
|
|
$response[] .= 'Authentication failure: ' . $result->getMessage() . ' (Code: ' . $result->getCode() . ')';
|
|
smtp_reset();
|
|
return FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// prepare message headers as string
|
|
if (is_array($headers))
|
|
{
|
|
$headerElements = smtp_prepare_headers($headers);
|
|
if (!$headerElements)
|
|
{
|
|
smtp_reset();
|
|
return FALSE;
|
|
}
|
|
|
|
list($from, $text_headers) = $headerElements;
|
|
}
|
|
else if (is_string($headers))
|
|
$text_headers = $headers;
|
|
else
|
|
{
|
|
smtp_reset();
|
|
$response[] .= "Invalid message headers";
|
|
return FALSE;
|
|
}
|
|
|
|
// exit if no from address is given
|
|
if (!isset($from))
|
|
{
|
|
smtp_reset();
|
|
$response[] .= "No From address has been provided";
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
// set From: address
|
|
if (PEAR::isError($SMTP_CONN->mailFrom($from)))
|
|
{
|
|
$error = array('label' => 'smtpfromerror', 'vars' => array('from' => $from, 'code' => $SMTP_CONN->_code));
|
|
$response[] .= "Failed to set sender '$from'";
|
|
smtp_reset();
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
// prepare list of recipients
|
|
$recipients = smtp_parse_rfc822($recipients);
|
|
if (PEAR::isError($recipients))
|
|
{
|
|
$error = array('label' => 'smtprecipientserror');
|
|
smtp_reset();
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
// set mail recipients
|
|
foreach ($recipients as $recipient)
|
|
{
|
|
if (PEAR::isError($SMTP_CONN->rcptTo($recipient)))
|
|
{
|
|
$error = array('label' => 'smtptoerror', 'vars' => array('to' => $recipient, 'code' => $SMTP_CONN->_code));
|
|
$response[] .= "Failed to add recipient '$recipient'";
|
|
smtp_reset();
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
|
|
// Concatenate headers and body so it can be passed by reference to SMTP_CONN->data
|
|
// so preg_replace in SMTP_CONN->quotedata will store a reference instead of a copy.
|
|
// We are still forced to make another copy here for a couple ticks so we don't really
|
|
// get to save a copy in the method call.
|
|
$data = $text_headers . "\r\n" . $body;
|
|
|
|
// unset old vars to save data and so we can pass into SMTP_CONN->data by reference.
|
|
unset($text_headers, $body);
|
|
|
|
// Send the message's headers and the body as SMTP data.
|
|
if (PEAR::isError($result = $SMTP_CONN->data($data)))
|
|
{
|
|
$error = array('label' => 'smtperror', 'vars' => array('msg' => $result->getMessage()));
|
|
$response[] .= "Failed to send data";
|
|
smtp_reset();
|
|
return FALSE;
|
|
}
|
|
|
|
$response[] = join(': ', $SMTP_CONN->getResponse());
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* Reset the global SMTP connection
|
|
* @access public
|
|
*/
|
|
function smtp_reset()
|
|
{
|
|
global $SMTP_CONN;
|
|
|
|
if (is_object($SMTP_CONN) && is_resource($SMTP_CONN->_socket->fp))
|
|
{
|
|
$SMTP_CONN->rset();
|
|
smtp_disconnect();
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Disconnect the global SMTP connection and destroy object
|
|
* @access public
|
|
*/
|
|
function smtp_disconnect()
|
|
{
|
|
global $SMTP_CONN;
|
|
|
|
if (is_object($SMTP_CONN))
|
|
{
|
|
$SMTP_CONN->disconnect();
|
|
$SMTP_CONN = null;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Take an array of mail headers and return a string containing
|
|
* text usable in sending a message.
|
|
*
|
|
* @param array $headers The array of headers to prepare, in an associative
|
|
* array, where the array key is the header name (ie,
|
|
* 'Subject'), and the array value is the header
|
|
* value (ie, 'test'). The header produced from those
|
|
* values would be 'Subject: test'.
|
|
*
|
|
* @return mixed Returns false if it encounters a bad address,
|
|
* otherwise returns an array containing two
|
|
* elements: Any From: address found in the headers,
|
|
* and the plain text version of the headers.
|
|
* @access private
|
|
*/
|
|
function smtp_prepare_headers($headers)
|
|
{
|
|
$lines = array();
|
|
$from = null;
|
|
|
|
foreach ($headers as $key => $value)
|
|
{
|
|
if (strcasecmp($key, 'From') === 0)
|
|
{
|
|
$addresses = smtp_parse_rfc822($value);
|
|
|
|
if (is_array($addresses))
|
|
$from = $addresses[0];
|
|
|
|
// Reject envelope From: addresses with spaces.
|
|
if (strstr($from, ' '))
|
|
return FALSE;
|
|
|
|
|
|
$lines[] = $key . ': ' . $value;
|
|
}
|
|
else if (strcasecmp($key, 'Received') === 0)
|
|
{
|
|
$received = array();
|
|
if (is_array($value))
|
|
{
|
|
foreach ($value as $line)
|
|
$received[] = $key . ': ' . $line;
|
|
}
|
|
else
|
|
{
|
|
$received[] = $key . ': ' . $value;
|
|
}
|
|
|
|
// Put Received: headers at the top. Spam detectors often
|
|
// flag messages with Received: headers after the Subject:
|
|
// as spam.
|
|
$lines = array_merge($received, $lines);
|
|
}
|
|
|
|
else
|
|
{
|
|
// If $value is an array (i.e., a list of addresses), convert
|
|
// it to a comma-delimited string of its elements (addresses).
|
|
if (is_array($value))
|
|
$value = implode(', ', $value);
|
|
|
|
$lines[] = $key . ': ' . $value;
|
|
}
|
|
}
|
|
|
|
return array($from, join(SMTP_MIME_CRLF, $lines) . SMTP_MIME_CRLF);
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* Take a set of recipients and parse them, returning an array of
|
|
* bare addresses (forward paths) that can be passed to sendmail
|
|
* or an smtp server with the rcpt to: command.
|
|
*
|
|
* @param mixed Either a comma-seperated list of recipients
|
|
* (RFC822 compliant), or an array of recipients,
|
|
* each RFC822 valid.
|
|
*
|
|
* @return array An array of forward paths (bare addresses).
|
|
* @access private
|
|
*/
|
|
function smtp_parse_rfc822($recipients)
|
|
{
|
|
// if we're passed an array, assume addresses are valid and implode them before parsing.
|
|
if (is_array($recipients))
|
|
$recipients = implode(', ', $recipients);
|
|
|
|
$addresses = array();
|
|
$recipients = rcube_explode_quoted_string(',', $recipients);
|
|
|
|
reset($recipients);
|
|
while (list($k, $recipient) = each($recipients))
|
|
{
|
|
$a = explode(" ", $recipient);
|
|
while (list($k2, $word) = each($a))
|
|
{
|
|
if ((strpos($word, "@") > 0) && (strpos($word, "\"")===false))
|
|
{
|
|
$word = preg_replace('/^<|>$/', '', trim($word));
|
|
if (in_array($word, $addresses)===false)
|
|
array_push($addresses, $word);
|
|
}
|
|
}
|
|
}
|
|
return $addresses;
|
|
}
|
|
|
|
?>
|