From 9945f24274d84f6fe2124bdf23bc3bd2f128a6c9 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Tue, 18 Dec 2012 03:01:19 -0500
Subject: [PATCH] CS fixes
---
program/lib/Roundcube/rcube_smtp.php | 828 ++++++++++++++++++++++++++++------------------------------
1 files changed, 405 insertions(+), 423 deletions(-)
diff --git a/program/lib/Roundcube/rcube_smtp.php b/program/lib/Roundcube/rcube_smtp.php
index 96534c0..1a4958e 100644
--- a/program/lib/Roundcube/rcube_smtp.php
+++ b/program/lib/Roundcube/rcube_smtp.php
@@ -5,7 +5,7 @@
| program/include/rcube_smtp.php |
| |
| This file is part of the Roundcube Webmail client |
- | Copyright (C) 2005-2010, The Roundcube Dev Team |
+ | Copyright (C) 2005-2012, The Roundcube Dev Team |
| |
| Licensed under the GNU General Public License version 3 or |
| any later version with exceptions for skins & plugins. |
@@ -19,9 +19,6 @@
+-----------------------------------------------------------------------+
*/
-// define headers delimiter
-define('SMTP_MIME_CRLF', "\r\n");
-
/**
* Class to provide SMTP functionality using PEAR Net_SMTP
*
@@ -32,439 +29,424 @@
*/
class rcube_smtp
{
+ private $conn = null;
+ private $response;
+ private $error;
- private $conn = null;
- private $response;
- private $error;
+ // define headers delimiter
+ const SMTP_MIME_CRLF = "\r\n";
- /**
- * SMTP Connection and authentication
- *
- * @param string Server host
- * @param string Server port
- * @param string User name
- * @param string Password
- *
- * @return bool Returns true on success, or false on error
- */
- public function connect($host=null, $port=null, $user=null, $pass=null)
- {
- $rcube = rcube::get_instance();
-
- // disconnect/destroy $this->conn
- $this->disconnect();
-
- // reset error/response var
- $this->error = $this->response = null;
-
- // let plugins alter smtp connection config
- $CONFIG = $rcube->plugins->exec_hook('smtp_connect', array(
- 'smtp_server' => $host ? $host : $rcube->config->get('smtp_server'),
- 'smtp_port' => $port ? $port : $rcube->config->get('smtp_port', 25),
- 'smtp_user' => $user ? $user : $rcube->config->get('smtp_user'),
- 'smtp_pass' => $pass ? $pass : $rcube->config->get('smtp_pass'),
- 'smtp_auth_cid' => $rcube->config->get('smtp_auth_cid'),
- 'smtp_auth_pw' => $rcube->config->get('smtp_auth_pw'),
- 'smtp_auth_type' => $rcube->config->get('smtp_auth_type'),
- 'smtp_helo_host' => $rcube->config->get('smtp_helo_host'),
- 'smtp_timeout' => $rcube->config->get('smtp_timeout'),
- 'smtp_auth_callbacks' => array(),
- ));
-
- $smtp_host = rcube_utils::parse_host($CONFIG['smtp_server']);
- // when called from Installer it's possible to have empty $smtp_host here
- if (!$smtp_host) $smtp_host = 'localhost';
- $smtp_port = is_numeric($CONFIG['smtp_port']) ? $CONFIG['smtp_port'] : 25;
- $smtp_host_url = parse_url($smtp_host);
-
- // overwrite port
- if (isset($smtp_host_url['host']) && isset($smtp_host_url['port']))
+ /**
+ * SMTP Connection and authentication
+ *
+ * @param string Server host
+ * @param string Server port
+ * @param string User name
+ * @param string Password
+ *
+ * @return bool Returns true on success, or false on error
+ */
+ public function connect($host=null, $port=null, $user=null, $pass=null)
{
- $smtp_host = $smtp_host_url['host'];
- $smtp_port = $smtp_host_url['port'];
- }
+ $rcube = rcube::get_instance();
- // re-write smtp host
- if (isset($smtp_host_url['host']) && isset($smtp_host_url['scheme']))
- $smtp_host = sprintf('%s://%s', $smtp_host_url['scheme'], $smtp_host_url['host']);
-
- // remove TLS prefix and set flag for use in Net_SMTP::auth()
- if (preg_match('#^tls://#i', $smtp_host)) {
- $smtp_host = preg_replace('#^tls://#i', '', $smtp_host);
- $use_tls = true;
- }
-
- if (!empty($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';
-
- // IDNA Support
- $smtp_host = rcube_utils::idn_to_ascii($smtp_host);
-
- $this->conn = new Net_SMTP($smtp_host, $smtp_port, $helo_host);
-
- if ($rcube->config->get('smtp_debug'))
- $this->conn->setDebug(true, array($this, 'debug_handler'));
-
- // register authentication methods
- if (!empty($CONFIG['smtp_auth_callbacks']) && method_exists($this->conn, 'setAuthMethod')) {
- foreach ($CONFIG['smtp_auth_callbacks'] as $callback) {
- $this->conn->setAuthMethod($callback['name'], $callback['function'],
- isset($callback['prepend']) ? $callback['prepend'] : true);
- }
- }
-
- // try to connect to server and exit on failure
- $result = $this->conn->connect($smtp_timeout);
-
- if (PEAR::isError($result)) {
- $this->response[] = "Connection failed: ".$result->getMessage();
- $this->error = array('label' => 'smtpconnerror', 'vars' => array('code' => $this->conn->_code));
- $this->conn = null;
- return false;
- }
-
- // workaround for timeout bug in Net_SMTP 1.5.[0-1] (#1487843)
- if (method_exists($this->conn, 'setTimeout')
- && ($timeout = ini_get('default_socket_timeout'))
- ) {
- $this->conn->setTimeout($timeout);
- }
-
- $smtp_user = str_replace('%u', $rcube->get_user_name(), $CONFIG['smtp_user']);
- $smtp_pass = str_replace('%p', $rcube->get_user_password(), $CONFIG['smtp_pass']);
- $smtp_auth_type = empty($CONFIG['smtp_auth_type']) ? NULL : $CONFIG['smtp_auth_type'];
-
- if (!empty($CONFIG['smtp_auth_cid'])) {
- $smtp_authz = $smtp_user;
- $smtp_user = $CONFIG['smtp_auth_cid'];
- $smtp_pass = $CONFIG['smtp_auth_pw'];
- }
-
- // attempt to authenticate to the SMTP server
- if ($smtp_user && $smtp_pass)
- {
- // IDNA Support
- if (strpos($smtp_user, '@')) {
- $smtp_user = rcube_utils::idn_to_ascii($smtp_user);
- }
-
- $result = $this->conn->auth($smtp_user, $smtp_pass, $smtp_auth_type, $use_tls, $smtp_authz);
-
- if (PEAR::isError($result))
- {
- $this->error = array('label' => 'smtpautherror', 'vars' => array('code' => $this->conn->_code));
- $this->response[] .= 'Authentication failure: ' . $result->getMessage() . ' (Code: ' . $result->getCode() . ')';
- $this->reset();
+ // disconnect/destroy $this->conn
$this->disconnect();
- return false;
- }
- }
- return true;
- }
+ // reset error/response var
+ $this->error = $this->response = null;
+ // let plugins alter smtp connection config
+ $CONFIG = $rcube->plugins->exec_hook('smtp_connect', array(
+ 'smtp_server' => $host ? $host : $rcube->config->get('smtp_server'),
+ 'smtp_port' => $port ? $port : $rcube->config->get('smtp_port', 25),
+ 'smtp_user' => $user ? $user : $rcube->config->get('smtp_user'),
+ 'smtp_pass' => $pass ? $pass : $rcube->config->get('smtp_pass'),
+ 'smtp_auth_cid' => $rcube->config->get('smtp_auth_cid'),
+ 'smtp_auth_pw' => $rcube->config->get('smtp_auth_pw'),
+ 'smtp_auth_type' => $rcube->config->get('smtp_auth_type'),
+ 'smtp_helo_host' => $rcube->config->get('smtp_helo_host'),
+ 'smtp_timeout' => $rcube->config->get('smtp_timeout'),
+ 'smtp_auth_callbacks' => array(),
+ ));
- /**
- * Function for sending mail
- *
- * @param string Sender e-Mail address
- *
- * @param mixed Either a comma-seperated list of recipients
- * (RFC822 compliant), or an array of recipients,
- * each RFC822 valid. This may contain recipients not
- * specified in the headers, for Bcc:, resending
- * messages, etc.
- * @param mixed The message headers to send with the mail
- * Either as an associative array or a finally
- * formatted string
- * @param mixed The full text of the message body, including any Mime parts
- * or file handle
- * @param array Delivery options (e.g. DSN request)
- *
- * @return bool Returns true on success, or false on error
- */
- public function send_mail($from, $recipients, &$headers, &$body, $opts=null)
- {
- if (!is_object($this->conn))
- return false;
+ $smtp_host = rcube_utils::parse_host($CONFIG['smtp_server']);
+ // when called from Installer it's possible to have empty $smtp_host here
+ if (!$smtp_host) $smtp_host = 'localhost';
+ $smtp_port = is_numeric($CONFIG['smtp_port']) ? $CONFIG['smtp_port'] : 25;
+ $smtp_host_url = parse_url($smtp_host);
- // prepare message headers as string
- if (is_array($headers))
- {
- if (!($headerElements = $this->_prepare_headers($headers))) {
- $this->reset();
- return false;
- }
-
- list($from, $text_headers) = $headerElements;
- }
- else if (is_string($headers))
- $text_headers = $headers;
- else
- {
- $this->reset();
- $this->response[] = "Invalid message headers";
- return false;
- }
-
- // exit if no from address is given
- if (!isset($from))
- {
- $this->reset();
- $this->response[] = "No From address has been provided";
- return false;
- }
-
- // RFC3461: Delivery Status Notification
- if ($opts['dsn']) {
- $exts = $this->conn->getServiceExtensions();
-
- if (isset($exts['DSN'])) {
- $from_params = 'RET=HDRS';
- $recipient_params = 'NOTIFY=SUCCESS,FAILURE';
- }
- }
-
- // RFC2298.3: remove envelope sender address
- if (preg_match('/Content-Type: multipart\/report/', $text_headers)
- && preg_match('/report-type=disposition-notification/', $text_headers)
- ) {
- $from = '';
- }
-
- // set From: address
- if (PEAR::isError($this->conn->mailFrom($from, $from_params)))
- {
- $err = $this->conn->getResponse();
- $this->error = array('label' => 'smtpfromerror', 'vars' => array(
- 'from' => $from, 'code' => $this->conn->_code, 'msg' => $err[1]));
- $this->response[] = "Failed to set sender '$from'";
- $this->reset();
- return false;
- }
-
- // prepare list of recipients
- $recipients = $this->_parse_rfc822($recipients);
- if (PEAR::isError($recipients))
- {
- $this->error = array('label' => 'smtprecipientserror');
- $this->reset();
- return false;
- }
-
- // set mail recipients
- foreach ($recipients as $recipient)
- {
- if (PEAR::isError($this->conn->rcptTo($recipient, $recipient_params))) {
- $err = $this->conn->getResponse();
- $this->error = array('label' => 'smtptoerror', 'vars' => array(
- 'to' => $recipient, 'code' => $this->conn->_code, 'msg' => $err[1]));
- $this->response[] = "Failed to add recipient '$recipient'";
- $this->reset();
- return false;
- }
- }
-
- if (is_resource($body))
- {
- // file handle
- $data = $body;
- $text_headers = preg_replace('/[\r\n]+$/', '', $text_headers);
- } else {
- // 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 = $this->conn->data($data, $text_headers)))
- {
- $err = $this->conn->getResponse();
- if (!in_array($err[0], array(354, 250, 221)))
- $msg = sprintf('[%d] %s', $err[0], $err[1]);
- else
- $msg = $result->getMessage();
-
- $this->error = array('label' => 'smtperror', 'vars' => array('msg' => $msg));
- $this->response[] = "Failed to send data";
- $this->reset();
- return false;
- }
-
- $this->response[] = join(': ', $this->conn->getResponse());
- return true;
- }
-
-
- /**
- * Reset the global SMTP connection
- * @access public
- */
- public function reset()
- {
- if (is_object($this->conn))
- $this->conn->rset();
- }
-
-
- /**
- * Disconnect the global SMTP connection
- * @access public
- */
- public function disconnect()
- {
- if (is_object($this->conn)) {
- $this->conn->disconnect();
- $this->conn = null;
- }
- }
-
-
- /**
- * This is our own debug handler for the SMTP connection
- * @access public
- */
- public function debug_handler(&$smtp, $message)
- {
- rcube::write_log('smtp', preg_replace('/\r\n$/', '', $message));
- }
-
-
- /**
- * Get error message
- * @access public
- */
- public function get_error()
- {
- return $this->error;
- }
-
-
- /**
- * Get server response messages array
- * @access public
- */
- public function get_response()
- {
- return $this->response;
- }
-
-
- /**
- * Take an array of mail headers and return a string containing
- * text usable in sending a message.
- *
- * @param array $headers The array of headers to prepare, in an associative
- * array, where the array key is the header name (ie,
- * 'Subject'), and the array value is the header
- * value (ie, 'test'). The header produced from those
- * values would be 'Subject: test'.
- *
- * @return mixed Returns false if it encounters a bad address,
- * otherwise returns an array containing two
- * elements: Any From: address found in the headers,
- * and the plain text version of the headers.
- * @access private
- */
- private function _prepare_headers($headers)
- {
- $lines = array();
- $from = null;
-
- foreach ($headers as $key => $value)
- {
- if (strcasecmp($key, 'From') === 0)
- {
- $addresses = $this->_parse_rfc822($value);
-
- if (is_array($addresses))
- $from = $addresses[0];
-
- // Reject envelope From: addresses with spaces.
- if (strpos($from, ' ') !== false)
- 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 . ': ' . $value;
+ // overwrite port
+ if (isset($smtp_host_url['host']) && isset($smtp_host_url['port'])) {
+ $smtp_host = $smtp_host_url['host'];
+ $smtp_port = $smtp_host_url['port'];
}
- // 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, $lines) . SMTP_MIME_CRLF);
- }
-
- /**
- * Take a set of recipients and parse them, returning an array of
- * bare addresses (forward paths) that can be passed to sendmail
- * or an smtp server with the rcpt to: command.
- *
- * @param mixed Either a comma-seperated list of recipients
- * (RFC822 compliant), or an array of recipients,
- * each RFC822 valid.
- *
- * @return array An array of forward paths (bare addresses).
- * @access private
- */
- private function _parse_rfc822($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_utils::explode_quoted_string(',', $recipients);
-
- reset($recipients);
- while (list($k, $recipient) = each($recipients))
- {
- $a = rcube_utils::explode_quoted_string(' ', $recipient);
- while (list($k2, $word) = each($a))
- {
- if (strpos($word, "@") > 0 && $word[strlen($word)-1] != '"')
- {
- $word = preg_replace('/^<|>$/', '', trim($word));
- if (in_array($word, $addresses)===false)
- array_push($addresses, $word);
+ // re-write smtp host
+ if (isset($smtp_host_url['host']) && isset($smtp_host_url['scheme'])) {
+ $smtp_host = sprintf('%s://%s', $smtp_host_url['scheme'], $smtp_host_url['host']);
}
- }
+
+ // remove TLS prefix and set flag for use in Net_SMTP::auth()
+ if (preg_match('#^tls://#i', $smtp_host)) {
+ $smtp_host = preg_replace('#^tls://#i', '', $smtp_host);
+ $use_tls = true;
+ }
+
+ if (!empty($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';
+ }
+
+ // IDNA Support
+ $smtp_host = rcube_utils::idn_to_ascii($smtp_host);
+
+ $this->conn = new Net_SMTP($smtp_host, $smtp_port, $helo_host);
+
+ if ($rcube->config->get('smtp_debug')) {
+ $this->conn->setDebug(true, array($this, 'debug_handler'));
+ }
+
+ // register authentication methods
+ if (!empty($CONFIG['smtp_auth_callbacks']) && method_exists($this->conn, 'setAuthMethod')) {
+ foreach ($CONFIG['smtp_auth_callbacks'] as $callback) {
+ $this->conn->setAuthMethod($callback['name'], $callback['function'],
+ isset($callback['prepend']) ? $callback['prepend'] : true);
+ }
+ }
+
+ // try to connect to server and exit on failure
+ $result = $this->conn->connect($smtp_timeout);
+
+ if (PEAR::isError($result)) {
+ $this->response[] = "Connection failed: ".$result->getMessage();
+ $this->error = array('label' => 'smtpconnerror', 'vars' => array('code' => $this->conn->_code));
+ $this->conn = null;
+ return false;
+ }
+
+ // workaround for timeout bug in Net_SMTP 1.5.[0-1] (#1487843)
+ if (method_exists($this->conn, 'setTimeout')
+ && ($timeout = ini_get('default_socket_timeout'))
+ ) {
+ $this->conn->setTimeout($timeout);
+ }
+
+ $smtp_user = str_replace('%u', $rcube->get_user_name(), $CONFIG['smtp_user']);
+ $smtp_pass = str_replace('%p', $rcube->get_user_password(), $CONFIG['smtp_pass']);
+ $smtp_auth_type = empty($CONFIG['smtp_auth_type']) ? NULL : $CONFIG['smtp_auth_type'];
+
+ if (!empty($CONFIG['smtp_auth_cid'])) {
+ $smtp_authz = $smtp_user;
+ $smtp_user = $CONFIG['smtp_auth_cid'];
+ $smtp_pass = $CONFIG['smtp_auth_pw'];
+ }
+
+ // attempt to authenticate to the SMTP server
+ if ($smtp_user && $smtp_pass) {
+ // IDNA Support
+ if (strpos($smtp_user, '@')) {
+ $smtp_user = rcube_utils::idn_to_ascii($smtp_user);
+ }
+
+ $result = $this->conn->auth($smtp_user, $smtp_pass, $smtp_auth_type, $use_tls, $smtp_authz);
+
+ if (PEAR::isError($result)) {
+ $this->error = array('label' => 'smtpautherror', 'vars' => array('code' => $this->conn->_code));
+ $this->response[] .= 'Authentication failure: ' . $result->getMessage() . ' (Code: ' . $result->getCode() . ')';
+ $this->reset();
+ $this->disconnect();
+ return false;
+ }
+ }
+
+ return true;
}
- return $addresses;
- }
+ /**
+ * Function for sending mail
+ *
+ * @param string Sender e-Mail address
+ *
+ * @param mixed Either a comma-seperated list of recipients
+ * (RFC822 compliant), or an array of recipients,
+ * each RFC822 valid. This may contain recipients not
+ * specified in the headers, for Bcc:, resending
+ * messages, etc.
+ * @param mixed The message headers to send with the mail
+ * Either as an associative array or a finally
+ * formatted string
+ * @param mixed The full text of the message body, including any Mime parts
+ * or file handle
+ * @param array Delivery options (e.g. DSN request)
+ *
+ * @return bool Returns true on success, or false on error
+ */
+ public function send_mail($from, $recipients, &$headers, &$body, $opts=null)
+ {
+ if (!is_object($this->conn)) {
+ return false;
+ }
+ // prepare message headers as string
+ if (is_array($headers)) {
+ if (!($headerElements = $this->_prepare_headers($headers))) {
+ $this->reset();
+ return false;
+ }
+
+ list($from, $text_headers) = $headerElements;
+ }
+ else if (is_string($headers)) {
+ $text_headers = $headers;
+ }
+ else {
+ $this->reset();
+ $this->response[] = "Invalid message headers";
+ return false;
+ }
+
+ // exit if no from address is given
+ if (!isset($from)) {
+ $this->reset();
+ $this->response[] = "No From address has been provided";
+ return false;
+ }
+
+ // RFC3461: Delivery Status Notification
+ if ($opts['dsn']) {
+ $exts = $this->conn->getServiceExtensions();
+
+ if (isset($exts['DSN'])) {
+ $from_params = 'RET=HDRS';
+ $recipient_params = 'NOTIFY=SUCCESS,FAILURE';
+ }
+ }
+
+ // RFC2298.3: remove envelope sender address
+ if (preg_match('/Content-Type: multipart\/report/', $text_headers)
+ && preg_match('/report-type=disposition-notification/', $text_headers)
+ ) {
+ $from = '';
+ }
+
+ // set From: address
+ if (PEAR::isError($this->conn->mailFrom($from, $from_params))) {
+ $err = $this->conn->getResponse();
+ $this->error = array('label' => 'smtpfromerror', 'vars' => array(
+ 'from' => $from, 'code' => $this->conn->_code, 'msg' => $err[1]));
+ $this->response[] = "Failed to set sender '$from'";
+ $this->reset();
+ return false;
+ }
+
+ // prepare list of recipients
+ $recipients = $this->_parse_rfc822($recipients);
+ if (PEAR::isError($recipients)) {
+ $this->error = array('label' => 'smtprecipientserror');
+ $this->reset();
+ return false;
+ }
+
+ // set mail recipients
+ foreach ($recipients as $recipient) {
+ if (PEAR::isError($this->conn->rcptTo($recipient, $recipient_params))) {
+ $err = $this->conn->getResponse();
+ $this->error = array('label' => 'smtptoerror', 'vars' => array(
+ 'to' => $recipient, 'code' => $this->conn->_code, 'msg' => $err[1]));
+ $this->response[] = "Failed to add recipient '$recipient'";
+ $this->reset();
+ return false;
+ }
+ }
+
+ if (is_resource($body)) {
+ // file handle
+ $data = $body;
+ $text_headers = preg_replace('/[\r\n]+$/', '', $text_headers);
+ }
+ else {
+ // 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 = $this->conn->data($data, $text_headers))) {
+ $err = $this->conn->getResponse();
+ if (!in_array($err[0], array(354, 250, 221))) {
+ $msg = sprintf('[%d] %s', $err[0], $err[1]);
+ }
+ else {
+ $msg = $result->getMessage();
+ }
+
+ $this->error = array('label' => 'smtperror', 'vars' => array('msg' => $msg));
+ $this->response[] = "Failed to send data";
+ $this->reset();
+ return false;
+ }
+
+ $this->response[] = join(': ', $this->conn->getResponse());
+ return true;
+ }
+
+ /**
+ * Reset the global SMTP connection
+ */
+ public function reset()
+ {
+ if (is_object($this->conn)) {
+ $this->conn->rset();
+ }
+ }
+
+ /**
+ * Disconnect the global SMTP connection
+ */
+ public function disconnect()
+ {
+ if (is_object($this->conn)) {
+ $this->conn->disconnect();
+ $this->conn = null;
+ }
+ }
+
+
+ /**
+ * This is our own debug handler for the SMTP connection
+ */
+ public function debug_handler(&$smtp, $message)
+ {
+ rcube::write_log('smtp', preg_replace('/\r\n$/', '', $message));
+ }
+
+ /**
+ * Get error message
+ */
+ public function get_error()
+ {
+ return $this->error;
+ }
+
+ /**
+ * Get server response messages array
+ */
+ public function get_response()
+ {
+ return $this->response;
+ }
+
+ /**
+ * Take an array of mail headers and return a string containing
+ * text usable in sending a message.
+ *
+ * @param array $headers The array of headers to prepare, in an associative
+ * array, where the array key is the header name (ie,
+ * 'Subject'), and the array value is the header
+ * value (ie, 'test'). The header produced from those
+ * values would be 'Subject: test'.
+ *
+ * @return mixed Returns false if it encounters a bad address,
+ * otherwise returns an array containing two
+ * elements: Any From: address found in the headers,
+ * and the plain text version of the headers.
+ */
+ private function _prepare_headers($headers)
+ {
+ $lines = array();
+ $from = null;
+
+ foreach ($headers as $key => $value) {
+ if (strcasecmp($key, 'From') === 0) {
+ $addresses = $this->_parse_rfc822($value);
+
+ if (is_array($addresses)) {
+ $from = $addresses[0];
+ }
+
+ // Reject envelope From: addresses with spaces.
+ if (strpos($from, ' ') !== false) {
+ 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(self::SMTP_MIME_CRLF, $lines) . self::SMTP_MIME_CRLF);
+ }
+
+ /**
+ * Take a set of recipients and parse them, returning an array of
+ * bare addresses (forward paths) that can be passed to sendmail
+ * or an smtp server with the rcpt to: command.
+ *
+ * @param mixed Either a comma-seperated list of recipients
+ * (RFC822 compliant), or an array of recipients,
+ * each RFC822 valid.
+ *
+ * @return array An array of forward paths (bare addresses).
+ */
+ private function _parse_rfc822($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_utils::explode_quoted_string(',', $recipients);
+
+ reset($recipients);
+ while (list($k, $recipient) = each($recipients)) {
+ $a = rcube_utils::explode_quoted_string(' ', $recipient);
+ while (list($k2, $word) = each($a)) {
+ if (strpos($word, "@") > 0 && $word[strlen($word)-1] != '"') {
+ $word = preg_replace('/^<|>$/', '', trim($word));
+ if (in_array($word, $addresses) === false) {
+ array_push($addresses, $word);
+ }
+ }
+ }
+ }
+
+ return $addresses;
+ }
}
--
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