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roundcubemail/program/include/rcmail_sendmail.php

1536 lines
56 KiB
PHP

<?php
/**
+-----------------------------------------------------------------------+
| This file is part of the Roundcube Webmail client |
| |
| Copyright (C) The Roundcube Dev Team |
| |
| Licensed under the GNU General Public License version 3 or |
| any later version with exceptions for skins & plugins. |
| See the README file for a full license statement. |
| |
| PURPOSE: |
| Common code for generating and saving/sending mail message |
| with support for common user interface elements |
+-----------------------------------------------------------------------+
| Author: Thomas Bruederli <roundcube@gmail.com> |
| Author: Aleksander Machniak <alec@alec.pl> |
+-----------------------------------------------------------------------+
*/
/**
* Common code for generating and saving/sending mail message
* with support for common user interface elements.
*
* @package Webmail
*/
class rcmail_sendmail
{
public $data = array();
public $options = array();
protected $parse_data = array();
protected $compose_form;
// define constants for message compose mode
const MODE_REPLY = 'reply';
const MODE_FORWARD = 'forward';
const MODE_DRAFT = 'draft';
const MODE_EDIT = 'edit';
/**
* Object constructor
*
* @param array $data Compose data
* @param array $options Operation options:
* savedraft (bool) - Enable save-draft mode
* sendmail (bool) - Enable send-mail mode
* saveonly (bool) - Enable save-only mode
* message (object) - Message object to get some data from
* error_handler (callback) - Error handler
*/
public function __construct($data = array(), $options = array())
{
$this->rcmail = rcube::get_instance();
$this->data = (array) $data;
$this->options = (array) $options;
$this->options['sendmail_delay'] = (int) $this->rcmail->config->get('sendmail_delay');
if (empty($options['error_handler'])) {
$this->options['error_handler'] = function() { return false; };
}
if ($this->options['message']) {
$this->compose_init($this->options['message']);
}
}
/**
* Collect input data for message headers
*
* @return array Message headers
*/
public function headers_input()
{
if ($this->options['sendmail'] && $this->options['sendmail_delay']) {
$last_time = $this->rcmail->config->get('last_message_time');
$wait_sec = time() - $this->options['sendmail_delay'] - intval($last_time);
if ($wait_sec < 0) {
return $this->options['error_handler']('senttooquickly', 'error', array('sec' => $wait_sec * -1));
}
}
// set default charset
if (!($charset = $this->options['charset'])) {
$charset = rcube_utils::get_input_value('_charset', rcube_utils::INPUT_POST) ?: $this->rcmail->output->get_charset();
$this->options['charset'] = $charset;
}
$this->parse_data = array();
$mailto = $this->email_input_format(rcube_utils::get_input_value('_to', rcube_utils::INPUT_POST, true, $charset), true);
$mailcc = $this->email_input_format(rcube_utils::get_input_value('_cc', rcube_utils::INPUT_POST, true, $charset), true);
$mailbcc = $this->email_input_format(rcube_utils::get_input_value('_bcc', rcube_utils::INPUT_POST, true, $charset), true);
if ($this->parse_data['INVALID_EMAIL'] && !$this->options['savedraft']) {
return $this->options['error_handler']('emailformaterror', 'error', array('email' => $this->parse_data['INVALID_EMAIL']));
}
if (($max_recipients = (int) $this->rcmail->config->get('max_recipients')) > 0) {
if ($this->parse_data['RECIPIENT_COUNT'] > $max_recipients) {
return $this->options['error_handler']('toomanyrecipients', 'error', array('max' => $max_recipients));
}
}
if (empty($mailto) && !empty($mailcc)) {
$mailto = $mailcc;
$mailcc = null;
}
else if (empty($mailto)) {
$mailto = 'undisclosed-recipients:;';
}
$dont_override = (array) $this->rcmail->config->get('dont_override');
$mdn_enabled = in_array('mdn_default', $dont_override) ? $this->rcmail->config->get('mdn_default') : !empty($_POST['_mdn']);
$dsn_enabled = in_array('dsn_default', $dont_override) ? $this->rcmail->config->get('dsn_default') : !empty($_POST['_dsn']);
$subject = rcube_utils::get_input_value('_subject', rcube_utils::INPUT_POST, true, $charset);
$from = rcube_utils::get_input_value('_from', rcube_utils::INPUT_POST, true, $charset);
$replyto = rcube_utils::get_input_value('_replyto', rcube_utils::INPUT_POST, true, $charset);
$followupto = rcube_utils::get_input_value('_followupto', rcube_utils::INPUT_POST, true, $charset);
// Get sender name and address from identity...
if (is_numeric($from)) {
if (is_array($identity_arr = $this->get_identity($from))) {
if ($identity_arr['mailto']) {
$from = $identity_arr['mailto'];
}
if ($identity_arr['string']) {
$from_string = $identity_arr['string'];
}
}
else {
$from = null;
}
}
// ... if there is no identity record, this might be a custom from
else if (($from_string = $this->email_input_format($from))
&& preg_match('/(\S+@\S+)/', $from_string, $m)
) {
$from = trim($m[1], '<>');
}
// ... otherwise it's empty or invalid
else {
$from = null;
}
// check 'From' address (identity may be incomplete)
if (!$this->options['savedraft'] && !$this->options['saveonly'] && empty($from)) {
return $this->options['error_handler']('nofromaddress', 'error');
}
if (!$from_string && $from) {
$from_string = $from;
}
$from_string = rcube_charset::convert($from_string, RCUBE_CHARSET, $charset);
$message_id = $this->data['param']['message-id'];
if (!$message_id) {
$message_id = $this->rcmail->gen_message_id($from);
}
$this->options['dsn_enabled'] = $dsn_enabled;
$this->options['from'] = $from;
$this->options['mailto'] = $mailto;
// compose headers array
$headers = array(
'Received' => $this->header_received(),
'Date' => $this->rcmail->user_date(),
'From' => $from_string,
'To' => $mailto,
'Cc' => $mailcc,
'Bcc' => $mailbcc,
'Subject' => trim($subject),
'Reply-To' => $this->email_input_format($replyto),
'Mail-Reply-To' => $headers['Reply-To'],
'Mail-Followup-To' => $this->email_input_format($followupto),
'In-Reply-To' => $this->data['reply_msgid'],
'References' => $this->data['references'],
'User-Agent' => $this->rcmail->config->get('useragent'),
'Message-ID' => $message_id,
'X-Sender' => $from,
);
if (!empty($identity_arr['organization'])) {
$headers['Organization'] = $identity_arr['organization'];
}
if ($mdn_enabled) {
$headers['Return-Receipt-To'] = $from_string;
$headers['Disposition-Notification-To'] = $from_string;
}
if (!empty($_POST['_priority'])) {
$priority = intval($_POST['_priority']);
$a_priorities = array(1 => 'highest', 2 => 'high', 4 => 'low', 5 => 'lowest');
if ($str_priority = $a_priorities[$priority]) {
$headers['X-Priority'] = sprintf("%d (%s)", $priority, ucfirst($str_priority));
}
}
// remember reply/forward UIDs in special headers
if ($this->options['savedraft']) {
// Note: We ignore <UID>.<PART> forwards/replies here
if (($uid = $this->data['reply_uid']) && !preg_match('/^\d+\.[0-9.]+$/', $uid)) {
$headers['X-Draft-Info'] = $this->draftinfo_encode(array(
'type' => 'reply',
'uid' => $uid,
'folder' => $this->data['mailbox']
));
}
else if (!empty($this->data['forward_uid'])
&& ($uid = rcube_imap_generic::compressMessageSet($this->data['forward_uid']))
&& !preg_match('/^\d+[0-9.]+$/', $uid)
) {
$headers['X-Draft-Info'] = $this->draftinfo_encode(array(
'type' => 'forward',
'uid' => $uid,
'folder' => $this->data['mailbox']
));
}
}
return array_filter($headers);
}
/**
* Set charset and transfer encoding on the message
*
* @param Mail_mime $message Message object
* @param bool $flowed Enable format=flowed
*/
public function set_message_encoding($message, $flowed = false)
{
$text_charset = $this->options['charset'];
$transfer_encoding = '7bit';
$head_encoding = 'quoted-printable';
// choose encodings for plain/text body and message headers
if (preg_match('/ISO-2022/i', $text_charset)) {
$head_encoding = 'base64'; // RFC1468
}
else if (preg_match('/[^\x00-\x7F]/', $message->getTXTBody())) {
$transfer_encoding = $this->rcmail->config->get('force_7bit') ? 'quoted-printable' : '8bit';
}
else if ($this->options['charset'] == 'UTF-8') {
$text_charset = 'US-ASCII';
}
if ($flowed) {
$text_charset .= ";\r\n format=flowed";
}
// encoding settings for mail composing
$message->setParam('text_encoding', $transfer_encoding);
$message->setParam('html_encoding', 'quoted-printable');
$message->setParam('head_encoding', $head_encoding);
$message->setParam('head_charset', $this->options['charset']);
$message->setParam('html_charset', $this->options['charset']);
$message->setParam('text_charset', $text_charset);
}
/**
* Create a message to be saved/sent
*
* @param array $headers Message headers
* @param string $body Message body
* @param bool $isHtml The body is HTML or not
* @param array $attachments Optional message attachments array
*
* @return Mail_mime Message object
*/
public function create_message($headers, $body, $isHtml = false, $attachments = array())
{
// set line length for body wrapping
$line_length = $this->rcmail->config->get('line_length', 72);
$charset = $this->options['charset'];
$flowed = $this->options['savedraft'] || $this->rcmail->config->get('send_format_flowed', true);
// create PEAR::Mail_mime instance
$MAIL_MIME = new Mail_mime("\r\n");
// Check if we have enough memory to handle the message in it
// It's faster than using files, so we'll do this if we only can
if (is_array($attachments)) {
$memory = 0;
foreach ($attachments as $attachment) {
$memory += $attachment['size'];
}
// Yeah, Net_SMTP needs up to 12x more memory, 1.33 is for base64
if (!rcube_utils::mem_check($memory * 1.33 * 12)) {
$MAIL_MIME->setParam('delay_file_io', true);
}
}
$plugin = $this->rcmail->plugins->exec_hook('message_outgoing_body', array(
'body' => $body,
'type' => $isHtml ? 'html' : 'plain',
'message' => $MAIL_MIME
));
// For HTML-formatted messages, construct the MIME message with both
// the HTML part and the plain-text part
if ($isHtml) {
$MAIL_MIME->setHTMLBody($plugin['body']);
$plain_body = $this->rcmail->html2text($plugin['body'], array('width' => 0, 'charset' => $charset));
$plain_body = rcube_mime::wordwrap($plain_body, $line_length, "\r\n", false, $charset);
$plain_body = wordwrap($plain_body, 998, "\r\n", true);
// There's no sense to use multipart/alternative if the text/plain
// part would be blank. Completely blank text/plain part may confuse
// some mail clients (#5283)
if (strlen(trim($plain_body)) > 0) {
// make sure all line endings are CRLF (#1486712)
$plain_body = preg_replace('/\r?\n/', "\r\n", $plain_body);
$plugin = $this->rcmail->plugins->exec_hook('message_outgoing_body', array(
'body' => $plain_body,
'type' => 'alternative',
'message' => $MAIL_MIME
));
// add a plain text version of the e-mail as an alternative part.
$MAIL_MIME->setTXTBody($plugin['body']);
}
// Extract image Data URIs into message attachments (#1488502)
$this->extract_inline_images($MAIL_MIME, $this->options['from']);
}
else {
$body = $plugin['body'];
// compose format=flowed content if enabled
if ($flowed) {
$body = rcube_mime::format_flowed($body, min($line_length + 2, 79), $charset);
}
else {
$body = rcube_mime::wordwrap($body, $line_length, "\r\n", false, $charset);
}
$body = wordwrap($body, 998, "\r\n", true);
$MAIL_MIME->setTXTBody($body, false, true);
}
// encoding settings for mail composing
$this->set_message_encoding($MAIL_MIME, $flowed);
// pass headers to message object
$MAIL_MIME->headers($headers);
return $MAIL_MIME;
}
/**
* Message delivery, and setting Replied/Forwarded flag on success
*
* @param Mail_mime $message Message object
* @param bool $disconnect Close SMTP connection after delivery
*
* @return bool True on success, False on failure
*/
public function deliver_message($message, $disconnect = true)
{
// Handle Delivery Status Notification request
$smtp_opts = array('dsn' => $this->options['dsn_enabled']);
$sent = $this->rcmail->deliver_message($message,
$this->options['from'],
$this->options['mailto'],
$smtp_error, $mailbody_file, $smtp_opts, $disconnect
);
// return to compose page if sending failed
if (!$sent) {
// remove temp file
if ($mailbody_file) {
unlink($mailbody_file);
}
if ($smtp_error && is_string($smtp_error)) {
$this->options['error_handler']($smtp_error, 'error');
}
else if ($smtp_error && !empty($smtp_error['label'])) {
$this->options['error_handler']($smtp_error['label'], 'error', $smtp_error['vars']);
}
else {
$this->options['error_handler']('sendingfailed', 'error');
}
return false;
}
$message->mailbody_file = $mailbody_file;
// save message sent time
if ($this->options['sendmail_delay']) {
$this->rcmail->user->save_prefs(array('last_message_time' => time()));
}
// set replied/forwarded flag
if ($this->data['reply_uid']) {
foreach (rcmail::get_uids($this->data['reply_uid'], $this->data['mailbox']) as $mbox => $uids) {
// skip <UID>.<PART> replies
if (!preg_match('/^\d+\.[0-9.]+$/', implode(',', (array) $uids))) {
$this->rcmail->storage->set_flag($uids, 'ANSWERED', $mbox);
}
}
}
else if ($this->data['forward_uid']) {
foreach (rcmail::get_uids($this->data['forward_uid'], $this->data['mailbox']) as $mbox => $uids) {
// skip <UID>.<PART> forwards
if (!preg_match('/^\d+\.[0-9.]+$/', implode(',', (array) $uids))) {
$this->rcmail->storage->set_flag($uids, 'FORWARDED', $mbox);
}
}
}
return true;
}
/**
* Save the message into Drafts folder (in savedraft mode)
* or in Sent mailbox if specified/configured
*
* @param Mail_mime $message Message object
*
* @return mixed Operation status
*/
public function save_message($message)
{
// Determine which folder to save message
if ($this->options['savedraft']) {
$store_target = $this->rcmail->config->get('drafts_mbox');
}
else if (!$this->rcmail->config->get('no_save_sent_messages')) {
if (isset($_POST['_store_target'])) {
$store_target = rcube_utils::get_input_value('_store_target', rcube_utils::INPUT_POST, true);
}
else {
$store_target = $this->rcmail->config->get('sent_mbox');
}
}
if ($store_target) {
$storage = $this->rcmail->get_storage();
// check if folder is subscribed
if ($storage->folder_exists($store_target, true)) {
$store_folder = true;
}
// folder may be existing but not subscribed (#1485241)
else if (!$storage->folder_exists($store_target)) {
$store_folder = $storage->create_folder($store_target, true);
}
else if ($storage->subscribe($store_target)) {
$store_folder = true;
}
// append message to sent box
if ($store_folder) {
// message body in file
if ($message->mailbody_file || $message->getParam('delay_file_io')) {
$headers = $message->txtHeaders();
// file already created
if ($message->mailbody_file) {
$msg = $message->mailbody_file;
}
else {
$message->mailbody_file = rcube_utils::temp_filename('msg');
$msg = $message->saveMessageBody($message->mailbody_file);
if (!is_a($msg, 'PEAR_Error')) {
$msg = $message->mailbody_file;
}
}
}
else {
$msg = $message->getMessage();
$headers = '';
}
if (is_a($msg, 'PEAR_Error')) {
rcube::raise_error(array(
'code' => 650, 'file' => __FILE__, 'line' => __LINE__,
'message' => "Could not create message: ".$msg->getMessage()),
true, false);
}
else {
$saved = $storage->save_message($store_target, $msg, $headers,
$message->mailbody_file ? true : false, array('SEEN'));
}
}
// raise error if saving failed
if (!$saved) {
rcube::raise_error(array('code' => 800, 'type' => 'imap',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Could not save message in $store_target"), true, false);
}
}
if ($message->mailbody_file) {
unlink($message->mailbody_file);
unset($message->mailbody_file);
}
$this->options['store_target'] = $store_target;
$this->options['store_folder'] = $store_folder;
return $saved;
}
/**
* If enabled, returns Received header content to be prepended
* to message headers
*
* @return string Received header content
*/
public function header_received()
{
if ($this->rcmail->config->get('http_received_header')) {
$nldlm = "\r\n\t";
$http_header = 'from ';
// FROM/VIA
if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
$hosts = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR'], 2);
$http_header .= $this->received_host($hosts[0]) . $nldlm . ' via ';
}
$http_header .= $this->received_host($_SERVER['REMOTE_ADDR']);
// BY
$http_header .= $nldlm . 'by ' . rcube_utils::server_name('HTTP_HOST');
// WITH
$http_header .= $nldlm . 'with HTTP (' . $_SERVER['SERVER_PROTOCOL']
. ' ' . $_SERVER['REQUEST_METHOD'] . '); ' . date('r');
return wordwrap($http_header, 69, $nldlm);
}
}
/**
* Converts host address into host spec. for Received header
*/
protected function received_host($host)
{
$hostname = gethostbyaddr($host);
$result = $this->encrypt_host($hostname);
if ($host != $hostname) {
$result .= ' (' . $this->encrypt_host($host) . ')';
}
return $result;
}
/**
* Encrypt host IP or hostname for Received header
*/
protected function encrypt_host($host)
{
if ($this->rcmail->config->get('http_received_header_encrypt')) {
return $this->rcmail->encrypt($host);
}
if (!preg_match('/[^0-9:.]/', $host)) {
return "[$host]";
}
return $host;
}
/**
* Returns user identity record
*
* @param int $id Identity ID
*
* @return array User identity data
*/
public function get_identity($id)
{
if ($sql_arr = $this->rcmail->user->get_identity($id)) {
$out = $sql_arr;
if ($this->options['charset'] != RCUBE_CHARSET) {
foreach ($out as $k => $v) {
$out[$k] = rcube_charset::convert($v, RCUBE_CHARSET, $this->options['charset']);
}
}
$out['mailto'] = $sql_arr['email'];
$out['string'] = format_email_recipient($sql_arr['email'], $sql_arr['name']);
return $out;
}
return false;
}
/**
* Extract image attachments from HTML message (data URIs)
*
* @param Mail_mime $message Message object
* @param string $from Sender email address
*/
public static function extract_inline_images($message, $from)
{
$body = $message->getHTMLBody();
$offset = 0;
$list = array();
$domain = 'localhost';
$regexp = '#img[^>]+src=[\'"](data:([^;]*);base64,([a-z0-9+/=\r\n]+))([\'"])#i';
if (preg_match_all($regexp, $body, $matches, PREG_OFFSET_CAPTURE)) {
// get domain for the Content-ID, must be the same as in Mail_Mime::get()
if (preg_match('#@([0-9a-zA-Z\-\.]+)#', $from, $m)) {
$domain = $m[1];
}
foreach ($matches[1] as $idx => $m) {
$data = preg_replace('/\r\n/', '', $matches[3][$idx][0]);
$data = base64_decode($data);
if (empty($data)) {
continue;
}
$hash = md5($data) . '@' . $domain;
$mime_type = $matches[2][$idx][0];
$name = $list[$hash];
if (empty($mime_type)) {
$mime_type = rcube_mime::image_content_type($data);
}
// add the image to the MIME message
if (!$name) {
$ext = preg_replace('#^[^/]+/#', '', $mime_type);
$name = substr($hash, 0, 8) . '.' . $ext;
$list[$hash] = $name;
$message->addHTMLImage($data, $mime_type, $name, false, $hash);
}
$body = substr_replace($body, $name, $m[1] + $offset, strlen($m[0]));
$offset += strlen($name) - strlen($m[0]);
}
}
$message->setHTMLBody($body);
}
/**
* Parse and cleanup email address input (and count addresses)
*
* @param string $mailto Address input
* @param boolean $count Do count recipients (count saved in $this->parse_data['RECIPIENT_COUNT'])
* @param boolean $check Validate addresses (errors saved in $this->parse_data['INVALID_EMAIL'])
*
* @return string Canonical recipients string (comma separated)
*/
public function email_input_format($mailto, $count = false, $check = true)
{
// simplified email regexp, supporting quoted local part
$email_regexp = '(\S+|("[^"]+"))@\S+';
$delim = ',;';
$regexp = array("/[$delim]\s*[\r\n]+/", '/[\r\n]+/', "/[$delim]\s*\$/m", '/;/', '/(\S{1})(<'.$email_regexp.'>)/U');
$replace = array(', ', ', ', '', ',', '\\1 \\2');
// replace new lines and strip ending ', ', make address input more valid
$mailto = trim(preg_replace($regexp, $replace, $mailto));
$items = rcube_utils::explode_quoted_string("[$delim]", $mailto);
$result = array();
foreach ($items as $item) {
$item = trim($item);
// address in brackets without name (do nothing)
if (preg_match('/^<'.$email_regexp.'>$/', $item)) {
$item = rcube_utils::idn_to_ascii(trim($item, '<>'));
$result[] = $item;
}
// address without brackets and without name (add brackets)
else if (preg_match('/^'.$email_regexp.'$/', $item)) {
$item = rcube_utils::idn_to_ascii($item);
$result[] = $item;
}
// address with name (handle name)
else if (preg_match('/<*'.$email_regexp.'>*$/', $item, $matches)) {
$address = $matches[0];
$name = trim(str_replace($address, '', $item));
if ($name[0] == '"' && $name[strlen($name)-1] == '"') {
$name = substr($name, 1, -1);
}
$name = stripcslashes($name);
$address = rcube_utils::idn_to_ascii(trim($address, '<>'));
$result[] = format_email_recipient($address, $name);
$item = $address;
}
// check address format
$item = trim($item, '<>');
if ($item && $check && !rcube_utils::check_email($item)) {
$this->parse_data['INVALID_EMAIL'] = $item;
return;
}
}
if ($count) {
$this->parse_data['RECIPIENT_COUNT'] += count($result);
}
return implode(', ', $result);
}
/**
* Returns configured generic message footer
*
* @param bool $isHtml Return HTML or Plain text version of the footer?
*
* @return string Footer content
*/
public function generic_message_footer($isHtml)
{
if ($isHtml && ($file = $this->rcmail->config->get('generic_message_footer_html'))) {
$html_footer = true;
}
else {
$file = $this->rcmail->config->get('generic_message_footer');
$html_footer = false;
}
if ($file && realpath($file)) {
// sanity check
if (!preg_match('/\.(php|ini|conf)$/', $file) && strpos($file, '/etc/') === false) {
$footer = file_get_contents($file);
if ($isHtml && !$html_footer) {
$t2h = new rcube_text2html($footer, false);
$footer = $t2h->get_html();
}
if ($this->options['charset'] && $this->options['charset'] != RCUBE_CHARSET) {
$footer = rcube_charset::convert($footer, RCUBE_CHARSET, $this->options['charset']);
}
return $footer;
}
}
return false;
}
/**
* Encode data array into a string for use in X-Draft-Info header
*
* @param array $data Data array
*
* @return string Decoded data as a string
*/
public static function draftinfo_encode($data)
{
$parts = array();
foreach ($data as $key => $val) {
$encode = $key == 'folder' || strpos($val, ';') !== false;
$parts[] = $key . '=' . ($encode ? 'B::' . base64_encode($val) : $val);
}
return implode('; ', $parts);
}
/**
* Decode X-Draft-Info header value into an array
*
* @param string $str Encoded data string (see self::draftinfo_encode())
*
* @return array Decoded data
*/
public static function draftinfo_decode($str)
{
$info = array();
foreach (preg_split('/;\s+/', $str) as $part) {
list($key, $val) = explode('=', $part, 2);
if (strpos($val, 'B::') === 0) {
$val = base64_decode(substr($val, 3));
}
else if ($key == 'folder') {
$val = base64_decode($val);
}
$info[$key] = $val;
}
return $info;
}
/**
* Header (From, To, Cc, etc.) input object for templates
*/
public function headers_output($attrib)
{
list($form_start,) = $this->form_tags($attrib);
$out = '';
$part = strtolower($attrib['part']);
switch ($part) {
case 'from':
return $form_start . $this->compose_header_from($attrib);
case 'to':
case 'cc':
case 'bcc':
$fname = '_' . $part;
$header = $param = $part;
$allow_attrib = array('id', 'class', 'style', 'cols', 'rows', 'tabindex');
$field_type = 'html_textarea';
break;
case 'replyto':
case 'reply-to':
$fname = '_replyto';
$param = 'replyto';
$header = 'reply-to';
case 'followupto':
case 'followup-to':
if (!$fname) {
$fname = '_followupto';
$param = 'followupto';
$header = 'mail-followup-to';
}
$allow_attrib = array('id', 'class', 'style', 'size', 'tabindex');
$field_type = 'html_inputfield';
break;
}
if ($fname && $field_type) {
// pass the following attributes to the form class
$field_attrib = array('name' => $fname, 'spellcheck' => 'false');
foreach ($attrib as $attr => $value) {
if (stripos($attr, 'data-') === 0 || in_array($attr, $allow_attrib)) {
$field_attrib[$attr] = $value;
}
}
// create teaxtarea object
$input = new $field_type($field_attrib);
$out = $input->show($this->compose_header_value($param, $this->data['mode']));
}
if ($form_start) {
$out = $form_start . $out;
}
// configure autocompletion
$this->rcmail->autocomplete_init();
return $out;
}
/**
* Returns From header input element
*/
protected function compose_header_from($attrib)
{
// pass the following attributes to the form class
$field_attrib = array('name' => '_from');
foreach ($attrib as $attr => $value) {
if (in_array($attr, array('id', 'class', 'style', 'size', 'tabindex'))) {
$field_attrib[$attr] = $value;
}
}
if (!empty($this->options['message']->identities)) {
$a_signatures = array();
$identities = array();
$top_posting = intval($this->rcmail->config->get('reply_mode')) > 0
&& !$this->rcmail->config->get('sig_below')
&& ($this->data['mode'] == self::MODE_REPLY || $this->data['mode'] == self::MODE_FORWARD);
$separator = $top_posting ? '---' : '-- ';
$add_separator = (bool) $this->rcmail->config->get('sig_separator');
$field_attrib['onchange'] = rcmail_output::JS_OBJECT_NAME . ".change_identity(this)";
$select_from = new html_select($field_attrib);
// create SELECT element
foreach ($this->options['message']->identities as $sql_arr) {
$identity_id = $sql_arr['identity_id'];
$select_from->add(format_email_recipient($sql_arr['email'], $sql_arr['name']), $identity_id);
// add signature to array
if (!empty($sql_arr['signature']) && empty($this->data['param']['nosig'])) {
$text = $html = $sql_arr['signature'];
if ($sql_arr['html_signature']) {
$text = $this->rcmail->html2text($html, array('links' => false));
$text = trim($text, "\r\n");
}
else {
$t2h = new rcube_text2html($text, false);
$html = $t2h->get_html();
}
if ($add_separator && !preg_match('/^--[ -]\r?\n/m', $text)) {
$text = $separator . "\n" . ltrim($text, "\r\n");
$html = $separator . "<br>" . $html;
}
$a_signatures[$identity_id]['text'] = $text;
$a_signatures[$identity_id]['html'] = $html;
}
// add bcc and reply-to
if (!empty($sql_arr['reply-to'])) {
$identities[$identity_id]['replyto'] = $sql_arr['reply-to'];
}
if (!empty($sql_arr['bcc'])) {
$identities[$identity_id]['bcc'] = $sql_arr['bcc'];
}
$identities[$identity_id]['email'] = $sql_arr['email'];
}
$out = $select_from->show($this->options['message']->compose['from']);
// add signatures to client
$this->rcmail->output->set_env('signatures', $a_signatures);
$this->rcmail->output->set_env('identities', $identities);
}
// no identities, display text input field
else {
$field_attrib['class'] = 'from_address';
$input_from = new html_inputfield($field_attrib);
$out = $input_from->show($this->options['message']->compose['from']);
}
return $out;
}
/**
* Set the value of specified header depending on compose mode
*/
protected function compose_header_value($header, $mode)
{
$fvalue = '';
$decode_header = true;
$message = $this->options['message'];
$charset = $message->headers->charset;
$separator = ', ';
// we have a set of recipients stored is session
if ($header == 'to' && ($mailto_id = $this->data['param']['mailto'])
&& $_SESSION['mailto'][$mailto_id]
) {
$fvalue = urldecode($_SESSION['mailto'][$mailto_id]);
$decode_header = false;
$charset = $this->rcmail->output->charset;
// make session to not grow up too much
$this->rcmail->session->remove("mailto.$mailto_id");
}
else if (!empty($_POST['_' . $header])) {
$fvalue = rcube_utils::get_input_value('_' . $header, rcube_utils::INPUT_POST, true);
$charset = $this->rcmail->output->charset;
}
else if (!empty($this->data['param'][$header])) {
$fvalue = $this->data['param'][$header];
$charset = $this->rcmail->output->charset;
}
else if ($mode == self::MODE_REPLY) {
// get recipent address(es) out of the message headers
if ($header == 'to') {
$mailfollowup = $message->headers->others['mail-followup-to'];
$mailreplyto = $message->headers->others['mail-reply-to'];
// Reply to mailing list...
if ($message->reply_all == 'list' && $mailfollowup) {
$fvalue = $mailfollowup;
}
else if ($message->reply_all == 'list'
&& preg_match('/<mailto:([^>]+)>/i', $message->headers->others['list-post'], $m)
) {
$fvalue = $m[1];
}
// Reply to...
else if ($message->reply_all && $mailfollowup) {
$fvalue = $mailfollowup;
}
else if ($mailreplyto) {
$fvalue = $mailreplyto;
}
else if (!empty($message->headers->replyto)) {
$fvalue = $message->headers->replyto;
$replyto = true;
}
else if (!empty($message->headers->from)) {
$fvalue = $message->headers->from;
}
// Reply to message sent by yourself (#1487074, #1489230, #1490439)
// Reply-To address need to be unset (#1490233)
if (!empty($message->compose['ident']) && empty($replyto)) {
foreach (array($fvalue, $message->headers->from) as $sender) {
$senders = rcube_mime::decode_address_list($sender, null, false, $charset, true);
if (in_array($message->compose['ident']['email_ascii'], $senders)) {
$fvalue = $message->headers->to;
break;
}
}
}
}
// add recipient of original message if reply to all
else if ($header == 'cc' && !empty($message->reply_all) && $message->reply_all != 'list') {
if ($v = $message->headers->to) {
$fvalue .= $v;
}
if ($v = $message->headers->cc) {
$fvalue .= (!empty($fvalue) ? $separator : '') . $v;
}
// Deliberately ignore 'Sender' header (#6506)
// When To: and Reply-To: are the same we add From: address to the list (#1489037)
if ($v = $message->headers->from) {
$to = $message->headers->to;
$replyto = $message->headers->replyto;
$from = rcube_mime::decode_address_list($v, null, false, $charset, true);
$to = rcube_mime::decode_address_list($to, null, false, $charset, true);
$replyto = rcube_mime::decode_address_list($replyto, null, false, $charset, true);
if (!empty($replyto) && !count(array_diff($to, $replyto)) && count(array_diff($from, $to))) {
$fvalue .= (!empty($fvalue) ? $separator : '') . $v;
}
}
}
}
else if (in_array($mode, array(self::MODE_DRAFT, self::MODE_EDIT))) {
// get drafted headers
if ($header == 'to' && !empty($message->headers->to)) {
$fvalue = $message->get_header('to', true);
}
else if ($header == 'cc' && !empty($message->headers->cc)) {
$fvalue = $message->get_header('cc', true);
}
else if ($header == 'bcc' && !empty($message->headers->bcc)) {
$fvalue = $message->get_header('bcc', true);
}
else if ($header == 'replyto' && !empty($message->headers->others['mail-reply-to'])) {
$fvalue = $message->get_header('mail-reply-to');
}
else if ($header == 'replyto' && !empty($message->headers->replyto)) {
$fvalue = $message->get_header('reply-to');
}
else if ($header == 'followupto' && !empty($message->headers->others['mail-followup-to'])) {
$fvalue = $message->get_header('mail-followup-to');
}
}
// split recipients and put them back together in a unique way
if (!empty($fvalue) && in_array($header, array('to', 'cc', 'bcc'))) {
$from_email = @mb_strtolower($message->compose['ident']['email']);
$to_addresses = rcube_mime::decode_address_list($fvalue, null, $decode_header, $charset);
$fvalue = array();
foreach ($to_addresses as $addr_part) {
if (empty($addr_part['mailto'])) {
continue;
}
// According to RFC5321 local part of email address is case-sensitive
// however, here it is better to compare addresses in case-insensitive manner
$mailto = format_email(rcube_utils::idn_to_utf8($addr_part['mailto']));
$mailto_lc = mb_strtolower($addr_part['mailto']);
if (($header == 'to' || $mode != self::MODE_REPLY || $mailto_lc != $from_email)
&& !in_array($mailto_lc, (array) $message->recipients)
) {
if ($addr_part['name'] && $mailto != $addr_part['name']) {
$mailto = format_email_recipient($mailto, $addr_part['name']);
}
$fvalue[] = $mailto;
$message->recipients[] = $mailto_lc;
}
}
$fvalue = implode($separator, $fvalue);
}
return $fvalue;
}
/**
* Creates reply subject by removing common subject
* prefixes/suffixes from the original message subject
*
* @param string $subject Subject string
*
* @return string Modified subject string
*/
public static function reply_subject($subject)
{
$subject = trim($subject);
// replace Re:, Re[x]:, Re-x (#1490497)
$prefix = '/^(re:|re\[\d\]:|re-\d:)\s*/i';
do {
$subject = preg_replace($prefix, '', $subject, -1, $count);
}
while ($count);
// replace (was: ...) (#1489375)
$subject = preg_replace('/\s*\([wW]as:[^\)]+\)\s*$/', '', $subject);
return 'Re: ' . $subject;
}
/**
* Subject input object for templates
*/
public function compose_subject($attrib)
{
list($form_start, $form_end) = $this->form_tags($attrib);
unset($attrib['form']);
$attrib['name'] = '_subject';
$attrib['spellcheck'] = 'true';
$textfield = new html_inputfield($attrib);
$subject = '';
// use subject from post
if (isset($_POST['_subject'])) {
$subject = rcube_utils::get_input_value('_subject', rcube_utils::INPUT_POST, TRUE);
}
else if (!empty($this->data['param']['subject'])) {
$subject = $this->data['param']['subject'];
}
// create a reply-subject
else if ($this->data['mode'] == self::MODE_REPLY) {
$subject = self::reply_subject($this->options['message']->subject);
}
// create a forward-subject
else if ($this->data['mode'] == self::MODE_FORWARD) {
if (preg_match('/^fwd:/i', $this->options['message']->subject)) {
$subject = $this->options['message']->subject;
}
else {
$subject = 'Fwd: ' . $this->options['message']->subject;
}
}
// creeate a draft-subject
else if ($this->data['mode'] == self::MODE_DRAFT || $this->data['mode'] == self::MODE_EDIT) {
$subject = $this->options['message']->subject;
}
$out = $form_start ? "$form_start\n" : '';
$out .= $textfield->show($subject);
$out .= $form_end ? "\n$form_end" : '';
return $out;
}
/**
* Returns compose form tag (if not used already)
*/
public function form_tags($attrib)
{
if (rcube_utils::get_boolean((string) $attrib['noform'])) {
return array('', '');
}
$form_start = '';
if (!$this->message_form) {
$hiddenfields = new html_hiddenfield(array('name' => '_task', 'value' => $this->rcmail->task));
$hiddenfields->add(array('name' => '_action', 'value' => 'send'));
$hiddenfields->add(array('name' => '_id', 'value' => $this->data['id']));
$hiddenfields->add(array('name' => '_attachments'));
if (empty($attrib['form'])) {
$form_attr = array('name' => "form", 'method' => "post", 'class' => $attrib['class']);
$form_start = $this->rcmail->output->form_tag($form_attr);
}
$form_start .= $hiddenfields->show();
}
$form_end = ($this->message_form && !strlen($attrib['form'])) ? '</form>' : '';
$form_name = $attrib['form'] ?: 'form';
if (!$this->message_form) {
$this->rcmail->output->add_gui_object('messageform', $form_name);
}
$this->message_form = $form_name;
return array($form_start, $form_end);
}
/**
* Returns compose form "head"
*/
public function form_head($attrib)
{
list($form_start,) = $this->form_tags($attrib);
return $form_start;
}
/**
* Folder selector object for templates
*/
public function folder_selector($attrib)
{
$attrib['name'] = '_store_target';
$select = $this->rcmail->folder_selector(array_merge($attrib, array(
'noselection' => '- ' . $this->rcmail->gettext('dontsave') . ' -',
'folder_filter' => 'mail',
'folder_rights' => 'w',
)));
return $select->show(isset($_POST['_store_target']) ? $_POST['_store_target'] : $this->data['param']['sent_mbox'], $attrib);
}
/**
* Mail Disposition Notification checkbox object for templates
*/
public function mdn_checkbox($attrib)
{
list($form_start, $form_end) = $this->form_tags($attrib);
unset($attrib['form']);
if (!isset($attrib['id'])) {
$attrib['id'] = 'receipt';
}
$attrib['name'] = '_mdn';
$attrib['value'] = '1';
$checkbox = new html_checkbox($attrib);
if (isset($_POST['_mdn'])) {
$mdn_default = $_POST['_mdn'];
}
else if (in_array($this->data['mode'], array(self::MODE_DRAFT, self::MODE_EDIT))) {
$mdn_default = (bool) $this->options['message']->headers->mdn_to;
}
else {
$mdn_default = $this->rcmail->config->get('mdn_default');
}
$out = $form_start ? "$form_start\n" : '';
$out .= $checkbox->show($mdn_default);
$out .= $form_end ? "\n$form_end" : '';
return $out;
}
/**
* Delivery Status Notification checkbox object for templates
*/
public function dsn_checkbox($attrib)
{
list($form_start, $form_end) = $this->form_tags($attrib);
unset($attrib['form']);
if (!isset($attrib['id'])) {
$attrib['id'] = 'dsn';
}
$attrib['name'] = '_dsn';
$attrib['value'] = '1';
$checkbox = new html_checkbox($attrib);
if (isset($_POST['_dsn'])) {
$dsn_value = (int) $_POST['_dsn'];
}
else {
$dsn_value = $this->rcmail->config->get('dsn_default');
}
$out = $form_start ? "$form_start\n" : '';
$out .= $checkbox->show($dsn_value);
$out .= $form_end ? "\n$form_end" : '';
return $out;
}
/**
* Priority selector object for templates
*/
public function priority_selector($attrib)
{
list($form_start, $form_end) = $this->form_tags($attrib);
unset($attrib['form']);
$attrib['name'] = '_priority';
$prio_list = array(
$this->rcmail->gettext('lowest') => 5,
$this->rcmail->gettext('low') => 4,
$this->rcmail->gettext('normal') => 0,
$this->rcmail->gettext('high') => 2,
$this->rcmail->gettext('highest') => 1,
);
$selector = new html_select($attrib);
$selector->add(array_keys($prio_list), array_values($prio_list));
if (isset($_POST['_priority'])) {
$sel = (int) $_POST['_priority'];
}
else if (isset($this->options['message']->headers->priority)
&& intval($this->options['message']->headers->priority) != 3
) {
$sel = (int) $this->options['message']->headers->priority;
}
else {
$sel = 0;
}
$out = $form_start ? "$form_start\n" : '';
$out .= $selector->show((int) $sel);
$out .= $form_end ? "\n$form_end" : '';
return $out;
}
/**
* Helper to create Sent folder if not exists
*/
public static function check_sent_folder($folder, $create = false)
{
$rcmail = rcmail::get_instance();
// we'll not save the message, so it doesn't matter
if ($rcmail->config->get('no_save_sent_messages')) {
return true;
}
if ($rcmail->storage->folder_exists($folder, true)) {
return true;
}
// folder may exist but isn't subscribed (#1485241)
if ($create) {
if (!$rcmail->storage->folder_exists($folder))
return $rcmail->storage->create_folder($folder, true);
else
return $rcmail->storage->subscribe($folder);
}
return false;
}
/**
* Initialize mail compose UI elements
*/
protected function compose_init($message)
{
$message->compose = array();
// get user's identities
$message->identities = $this->rcmail->user->list_identities(null, true);
// Set From field value
if (!empty($_POST['_from'])) {
$message->compose['from'] = rcube_utils::get_input_value('_from', rcube_utils::INPUT_POST);
}
else if (!empty($this->data['param']['from'])) {
$message->compose['from'] = $this->data['param']['from'];
}
else if (!empty($message->identities)) {
$ident = self::identity_select($message, $message->identities, $this->data['mode']);
$message->compose['from'] = $ident['identity_id'];
$message->compose['ident'] = $ident;
}
$this->rcmail->output->add_handlers(array(
'storetarget' => array($this, 'folder_selector'),
'composeheaders' => array($this, 'headers_output'),
'composesubject' => array($this, 'compose_subject'),
'priorityselector' => array($this, 'priority_selector'),
'mdncheckbox' => array($this, 'mdn_checkbox'),
'dsncheckbox' => array($this, 'dsn_checkbox'),
'composeformhead' => array($this, 'form_head'),
));
// add some labels to client
$this->rcmail->output->add_label('nosubject', 'nosenderwarning', 'norecipientwarning',
'nosubjectwarning', 'cancel', 'nobodywarning', 'notsentwarning', 'savingmessage',
'sendingmessage', 'searching', 'disclosedrecipwarning', 'disclosedreciptitle',
'bccinstead', 'nosubjecttitle', 'sendmessage');
$this->rcmail->output->set_env('max_disclosed_recipients', (int) $this->rcmail->config->get('max_disclosed_recipients', 5));
}
/**
* Detect recipient identity from specified message
*
* @param rcube_message $message Message object
* @param array $identities User identities (if NULL all user identities will be used)
* @param string $mode Composing mode (see self::MODE_*)
*
* @return array Selected user identity (or the default identity) data
*/
public static function identity_select($message, $identities = null, $mode = null)
{
$a_recipients = array();
$a_names = array();
if ($identities === null) {
$identities = rcmail::get_instance()->user->list_identities(null, true);
}
if (!$mode) {
$mode = self::MODE_REPLY;
}
// extract all recipients of the reply-message
if (is_object($message->headers) && in_array($mode, array(self::MODE_REPLY, self::MODE_FORWARD))) {
$a_to = rcube_mime::decode_address_list($message->headers->to, null, true, $message->headers->charset);
foreach ($a_to as $addr) {
if (!empty($addr['mailto'])) {
$a_recipients[] = strtolower($addr['mailto']);
$a_names[] = $addr['name'];
}
}
if (!empty($message->headers->cc)) {
$a_cc = rcube_mime::decode_address_list($message->headers->cc, null, true, $message->headers->charset);
foreach ($a_cc as $addr) {
if (!empty($addr['mailto'])) {
$a_recipients[] = strtolower($addr['mailto']);
$a_names[] = $addr['name'];
}
}
}
}
// decode From: address
$from = rcube_mime::decode_address_list($message->headers->from, null, true, $message->headers->charset);
$from = array_shift($from);
$from['mailto'] = strtolower($from['mailto']);
$from_idx = null;
$found_idx = array('to' => null, 'from' => null);
$check_from = in_array($mode, array(self::MODE_DRAFT, self::MODE_EDIT, self::MODE_REPLY));
// Select identity
foreach ($identities as $idx => $ident) {
// use From: header when in edit/draft or reply-to-self
if ($check_from && $from['mailto'] == strtolower($ident['email_ascii'])) {
// remember first matching identity address
if ($found_idx['from'] === null) {
$found_idx['from'] = $idx;
}
// match identity name
if ($from['name'] && $ident['name'] && $from['name'] == $ident['name']) {
$from_idx = $idx;
break;
}
}
// use replied/forwarded message recipients
else if (($found = array_search(strtolower($ident['email_ascii']), $a_recipients)) !== false) {
// remember first matching identity address
if ($found_idx['to'] === null) {
$found_idx['to'] = $idx;
}
// match identity name
if ($a_names[$found] && $ident['name'] && $a_names[$found] == $ident['name']) {
$from_idx = $idx;
break;
}
}
}
// If matching by name+address didn't find any matches,
// get first found identity (address) if any
if ($from_idx === null) {
$from_idx = $found_idx['from'] !== null ? $found_idx['from'] : $found_idx['to'];
}
// Try Return-Path
if ($from_idx === null && ($return_path = $message->headers->others['return-path'])) {
$return_path = array_map('strtolower', (array) $return_path);
foreach ($identities as $idx => $ident) {
// Return-Path header contains an email address, but on some mailing list
// it can be e.g. <pear-dev-return-55250-local=domain.tld@lists.php.net>
// where local@domain.tld is the address we're looking for (#1489241)
$ident1 = strtolower($ident['email_ascii']);
$ident2 = str_replace('@', '=', $ident1);
$ident1 = '<' . $ident1 . '>';
$ident2 = '-' . $ident2 . '@';
foreach ($return_path as $path) {
if ($path == $ident1 || stripos($path, $ident2)) {
$from_idx = $idx;
break 2;
}
}
}
}
// See identity_select plugin for example usage of this hook
$plugin = rcmail::get_instance()->plugins->exec_hook('identity_select', array(
'message' => $message,
'identities' => $identities,
'selected' => $from_idx
));
$selected = $plugin['selected'];
// default identity is always first on the list
return $identities[$selected !== null ? $selected : 0];
}
}