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592 lines
20 KiB
PHP
592 lines
20 KiB
PHP
<?php
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/*
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+-----------------------------------------------------------------------+
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| program/steps/mail/sendmail.inc |
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| This file is part of the RoundCube Webmail client |
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| Copyright (C) 2005-2009, RoundCube Dev. - Switzerland |
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| Licensed under the GNU GPL |
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| |
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| PURPOSE: |
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| Compose a new mail message with all headers and attachments |
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| and send it using the PEAR::Net_SMTP class or with PHP mail() |
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+-----------------------------------------------------------------------+
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| Author: Thomas Bruederli <roundcube@gmail.com> |
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+-----------------------------------------------------------------------+
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$Id$
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*/
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// remove all scripts and act as called in frame
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$OUTPUT->reset();
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$OUTPUT->framed = TRUE;
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$savedraft = !empty($_POST['_draft']) ? TRUE : FALSE;
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/****** checks ********/
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if (!isset($_SESSION['compose']['id'])) {
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raise_error(array('code' => 500, 'type' => 'smtp', 'file' => __FILE__, 'message' => "Invalid compose ID"), true, false);
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console("Sendmail error", $_SESSION['compose']);
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$OUTPUT->show_message("An internal error occured. Please try again.", 'error');
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$OUTPUT->send('iframe');
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}
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if (!$savedraft) {
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if (empty($_POST['_to']) && empty($_POST['_cc']) && empty($_POST['_bcc'])
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&& empty($_POST['_subject']) && $_POST['_message']) {
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$OUTPUT->show_message('sendingfailed', 'error');
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$OUTPUT->send('iframe');
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}
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if(!empty($CONFIG['sendmail_delay'])) {
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$wait_sec = time() - intval($CONFIG['sendmail_delay']) - intval($CONFIG['last_message_time']);
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if($wait_sec < 0) {
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$OUTPUT->show_message('senttooquickly', 'error', array('sec' => $wait_sec * -1));
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$OUTPUT->send('iframe');
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}
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}
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}
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/****** message sending functions ********/
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// encrypt parts of the header
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function rcmail_encrypt_header($what)
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{
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global $CONFIG, $RCMAIL;
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if (!$CONFIG['http_received_header_encrypt'])
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{
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return $what;
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}
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return $RCMAIL->encrypt($what);
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}
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// get identity record
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function rcmail_get_identity($id)
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{
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global $USER, $OUTPUT;
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if ($sql_arr = $USER->get_identity($id))
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{
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$out = $sql_arr;
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$out['mailto'] = $sql_arr['email'];
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// Special chars as defined by RFC 822 need to in quoted string (or escaped).
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if (preg_match('/[\(\)\<\>\\\.\[\]@,;:"]/', $sql_arr['name']))
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$name = '"' . addcslashes($sql_arr['name'], '"') . '"';
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else
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$name = $sql_arr['name'];
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$out['string'] = rcube_charset_convert($name, RCMAIL_CHARSET, $OUTPUT->get_charset());
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if ($sql_arr['email'])
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$out['string'] .= ' <' . $sql_arr['email'] . '>';
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return $out;
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}
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return FALSE;
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}
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/**
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* go from this:
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* <img src=".../tiny_mce/plugins/emotions/images/smiley-cool.gif" border="0" alt="Cool" title="Cool" />
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*
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* to this:
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*
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* <IMG src="cid:smiley-cool.gif"/>
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* ...
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* ------part...
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* Content-Type: image/gif
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* Content-Transfer-Encoding: base64
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* Content-ID: <smiley-cool.gif>
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*/
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function rcmail_attach_emoticons(&$mime_message)
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{
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global $CONFIG;
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$body = $mime_message->getHtmlBody();
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// remove any null-byte characters before parsing
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$body = preg_replace('/\x00/', '', $body);
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$searchstr = 'program/js/tiny_mce/plugins/emotions/img/';
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$offset = 0;
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// keep track of added images, so they're only added once
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$included_images = array();
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if (preg_match_all('# src=[\'"]([^\'"]+)#', $body, $matches, PREG_OFFSET_CAPTURE)) {
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foreach ($matches[1] as $m) {
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// find emoticon image tags
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if (preg_match('#'.$searchstr.'(.*)$#', $m[0], $imatches)) {
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$image_name = $imatches[1];
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// sanitize image name so resulting attachment doesn't leave images dir
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$image_name = preg_replace('/[^a-zA-Z0-9_\.\-]/i', '', $image_name);
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$img_file = INSTALL_PATH . '/' . $searchstr . $image_name;
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if (! in_array($image_name, $included_images)) {
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// add the image to the MIME message
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if(! $mime_message->addHTMLImage($img_file, 'image/gif', '', true, $image_name))
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$OUTPUT->show_message("emoticonerror", 'error');
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array_push($included_images, $image_name);
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}
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$body = substr_replace($body, $img_file, $m[1] + $offset, strlen($m[0]));
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$offset += strlen($img_file) - strlen($m[0]);
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}
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}
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}
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$mime_message->setHTMLBody($body);
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return $body;
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}
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// parse email address input
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function rcmail_email_input_format($mailto)
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{
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global $EMAIL_FORMAT_ERROR;
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$regexp = array('/[,;]\s*[\r\n]+/', '/[\r\n]+/', '/[,;]\s*$/m', '/;/', '/(\S{1})(<\S+@\S+>)/U');
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$replace = array(', ', ', ', '', ',', '\\1 \\2');
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// replace new lines and strip ending ', ', make address input more valid
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$mailto = trim(preg_replace($regexp, $replace, $mailto));
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$result = array();
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$items = rcube_explode_quoted_string(',', $mailto);
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foreach($items as $item) {
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$item = trim($item);
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// address in brackets without name (do nothing)
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if (preg_match('/^<\S+@\S+>$/', $item)) {
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$result[] = $item;
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// address without brackets and without name (add brackets)
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} else if (preg_match('/^\S+@\S+$/', $item)) {
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$result[] = '<'.$item.'>';
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// address with name (handle name)
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} else if (preg_match('/\S+@\S+>*$/', $item, $matches)) {
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$address = $matches[0];
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$name = str_replace($address, '', $item);
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$name = trim($name);
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if ($name && ($name[0] != '"' || $name[strlen($name)-1] != '"')
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&& preg_match('/[\(\)\<\>\\\.\[\]@,;:"]/', $name)) {
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$name = '"'.addcslashes($name, '"').'"';
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}
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if (!preg_match('/^<\S+@\S+>$/', $address))
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$address = '<'.$address.'>';
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$result[] = $name.' '.$address;
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$item = $address;
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} else if (trim($item)) {
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continue;
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}
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// check address format
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$item = trim($item, '<>');
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if ($item && !check_email($item)) {
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$EMAIL_FORMAT_ERROR = $item;
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return;
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}
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}
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return implode(', ', $result);
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}
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/****** compose message ********/
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if (strlen($_POST['_draft_saveid']) > 3)
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$olddraftmessageid = get_input_value('_draft_saveid', RCUBE_INPUT_POST);
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$message_id = sprintf('<%s@%s>', md5(uniqid('rcmail'.mt_rand(),true)), $RCMAIL->config->mail_domain($_SESSION['imap_host']));
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// set default charset
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$input_charset = $OUTPUT->get_charset();
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$message_charset = isset($_POST['_charset']) ? $_POST['_charset'] : $input_charset;
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$EMAIL_FORMAT_ERROR = NULL;
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$mailto = rcmail_email_input_format(get_input_value('_to', RCUBE_INPUT_POST, TRUE, $message_charset));
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$mailcc = rcmail_email_input_format(get_input_value('_cc', RCUBE_INPUT_POST, TRUE, $message_charset));
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$mailbcc = rcmail_email_input_format(get_input_value('_bcc', RCUBE_INPUT_POST, TRUE, $message_charset));
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if ($EMAIL_FORMAT_ERROR) {
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$OUTPUT->show_message('emailformaterror', 'error', array('email' => $EMAIL_FORMAT_ERROR));
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$OUTPUT->send('iframe');
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}
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if (empty($mailto) && !empty($mailcc)) {
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$mailto = $mailcc;
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$mailcc = null;
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}
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else if (empty($mailto))
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$mailto = 'undisclosed-recipients:;';
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// get sender name and address
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$from = get_input_value('_from', RCUBE_INPUT_POST, true, $message_charset);
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$identity_arr = rcmail_get_identity($from);
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if (!$identity_arr && ($from = rcmail_email_input_format($from))) {
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if (preg_match('/(\S+@\S+)/', $from, $m))
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$identity_arr['mailto'] = $m[1];
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} else
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$from = $identity_arr['mailto'];
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if (empty($identity_arr['string']))
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$identity_arr['string'] = $from;
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// compose headers array
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$headers = array();
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// if configured, the Received headers goes to top, for good measure
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if ($CONFIG['http_received_header'])
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{
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$nldlm = $RCMAIL->config->header_delimiter() . "\t";
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// FROM/VIA
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$http_header = 'from ';
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if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
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$host = $_SERVER['HTTP_X_FORWARDED_FOR'];
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$hostname = gethostbyaddr($host);
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if ($CONFIG['http_received_header_encrypt']) {
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$http_header .= rcmail_encrypt_header($hostname);
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if ($host != $hostname)
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$http_header .= ' ('. rcmail_encrypt_header($host) . ')';
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} else {
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$http_header .= (($host != $hostname) ? $hostname : '[' . $host . ']');
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$http_header .= ' ('. ($host == $hostname ? '' : $hostname . ' ') .
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'[' . $host .'])';
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}
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$http_header .= $nldlm . ' via ';
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}
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$host = $_SERVER['REMOTE_ADDR'];
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$hostname = gethostbyaddr($host);
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if ($CONFIG['http_received_header_encrypt']) {
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$http_header .= rcmail_encrypt_header($hostname);
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if ($host != $hostname)
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$http_header .= ' ('. rcmail_encrypt_header($host) . ')';
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} else {
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$http_header .= (($host != $hostname) ? $hostname : '[' . $host . ']');
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$http_header .= ' ('. ($host == $hostname ? '' : $hostname . ' ') .
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'[' . $host .'])';
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}
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// BY
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$http_header .= $nldlm . 'by ' . $_SERVER['HTTP_HOST'];
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// WITH
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$http_header .= $nldlm . 'with ' . $_SERVER['SERVER_PROTOCOL'] .
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' ('.$_SERVER['REQUEST_METHOD'] . '); ' . date('r');
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$http_header = wordwrap($http_header, 69, $nldlm);
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$headers['Received'] = $http_header;
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}
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$headers['Date'] = date('r');
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$headers['From'] = rcube_charset_convert($identity_arr['string'], RCMAIL_CHARSET, $message_charset);
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$headers['To'] = $mailto;
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// additional recipients
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if (!empty($mailcc))
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$headers['Cc'] = $mailcc;
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if (!empty($mailbcc))
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$headers['Bcc'] = $mailbcc;
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if (!empty($identity_arr['bcc']))
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$headers['Bcc'] = ($headers['Bcc'] ? $headers['Bcc'].', ' : '') . $identity_arr['bcc'];
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// add subject
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$headers['Subject'] = trim(get_input_value('_subject', RCUBE_INPUT_POST, TRUE, $message_charset));
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if (!empty($identity_arr['organization']))
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$headers['Organization'] = $identity_arr['organization'];
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if (!empty($_POST['_replyto']))
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$headers['Reply-To'] = rcmail_email_input_format(get_input_value('_replyto', RCUBE_INPUT_POST, TRUE, $message_charset));
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else if (!empty($identity_arr['reply-to']))
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$headers['Reply-To'] = $identity_arr['reply-to'];
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if (!empty($_SESSION['compose']['reply_msgid']))
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$headers['In-Reply-To'] = $_SESSION['compose']['reply_msgid'];
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if (!empty($_SESSION['compose']['references']))
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$headers['References'] = $_SESSION['compose']['references'];
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if (!empty($_POST['_priority']))
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{
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$priority = intval($_POST['_priority']);
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$a_priorities = array(1=>'highest', 2=>'high', 4=>'low', 5=>'lowest');
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if ($str_priority = $a_priorities[$priority])
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$headers['X-Priority'] = sprintf("%d (%s)", $priority, ucfirst($str_priority));
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}
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if (!empty($_POST['_receipt']))
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{
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$headers['Return-Receipt-To'] = $identity_arr['string'];
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$headers['Disposition-Notification-To'] = $identity_arr['string'];
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}
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// additional headers
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$headers['Message-ID'] = $message_id;
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$headers['X-Sender'] = $from;
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if (!empty($CONFIG['useragent']))
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$headers['User-Agent'] = $CONFIG['useragent'];
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$isHtmlVal = strtolower(get_input_value('_is_html', RCUBE_INPUT_POST));
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$isHtml = ($isHtmlVal == "1");
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// fetch message body
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$message_body = get_input_value('_message', RCUBE_INPUT_POST, TRUE, $message_charset);
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if (!$savedraft) {
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// remove signature's div ID
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if ($isHtml)
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$message_body = preg_replace('/\s*id="_rc_sig"/', '', $message_body);
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// generic footer for all messages
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if (!empty($CONFIG['generic_message_footer'])) {
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$footer = file_get_contents(realpath($CONFIG['generic_message_footer']));
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$footer = rcube_charset_convert($footer, RCMAIL_CHARSET, $message_charset);
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}
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}
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// create extended PEAR::Mail_mime instance
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$MAIL_MIME = new rcube_mail_mime($RCMAIL->config->header_delimiter());
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// For HTML-formatted messages, construct the MIME message with both
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// the HTML part and the plain-text part
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if ($isHtml) {
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$plugin = $RCMAIL->plugins->exec_hook('outgoing_message_body', array('body' => $message_body, 'type' => 'html', 'message' => $MAIL_MIME));
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$MAIL_MIME->setHTMLBody($plugin['body'] . ($footer ? "\r\n<pre>".$footer.'</pre>' : ''));
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// add a plain text version of the e-mail as an alternative part.
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$h2t = new html2text($plugin['body'], false, true, 0);
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$plainTextPart = rc_wordwrap($h2t->get_text(), 75, "\r\n") . ($footer ? "\r\n".$footer : '');
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$plainTextPart = wordwrap($plainTextPart, 998, "\r\n", true);
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if (!strlen($plainTextPart)) {
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// empty message body breaks attachment handling in drafts
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$plainTextPart = "\r\n";
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}
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$plugin = $RCMAIL->plugins->exec_hook('outgoing_message_body', array('body' => $plainTextPart, 'type' => 'alternative', 'message' => $MAIL_MIME));
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$MAIL_MIME->setTXTBody($plugin['body']);
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// look for "emoticon" images from TinyMCE and copy into message as attachments
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$message_body = rcmail_attach_emoticons($MAIL_MIME);
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}
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else
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{
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$message_body = rc_wordwrap($message_body, 75, "\r\n");
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if ($footer)
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$message_body .= "\r\n" . $footer;
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$message_body = wordwrap($message_body, 998, "\r\n", true);
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if (!strlen($message_body)) {
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// empty message body breaks attachment handling in drafts
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$message_body = "\r\n";
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}
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$plugin = $RCMAIL->plugins->exec_hook('outgoing_message_body', array('body' => $message_body, 'type' => 'plain', 'message' => $MAIL_MIME));
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$MAIL_MIME->setTXTBody($plugin['body'], false, true);
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}
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// chose transfer encoding
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$charset_7bit = array('ASCII', 'ISO-2022-JP', 'ISO-8859-1', 'ISO-8859-2', 'ISO-8859-15');
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$transfer_encoding = in_array(strtoupper($message_charset), $charset_7bit) ? '7bit' : '8bit';
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// add stored attachments, if any
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if (is_array($_SESSION['compose']['attachments'])) {
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foreach ($_SESSION['compose']['attachments'] as $id => $attachment) {
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// This hook retrieves the attachment contents from the file storage backend
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$attachment = $RCMAIL->plugins->exec_hook('get_attachment', $attachment);
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$dispurl = '/\ssrc\s*=\s*[\'"]*\S+display-attachment\S+file=rcmfile' . preg_quote($attachment['id']) . '[\s\'"]\s*/';
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$message_body = $MAIL_MIME->getHTMLBody();
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if ($isHtml && (preg_match($dispurl, $message_body) > 0)) {
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$message_body = preg_replace($dispurl, ' src="'.$attachment['name'].'" ', $message_body);
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$MAIL_MIME->setHTMLBody($message_body);
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if ($attachment['data'])
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$MAIL_MIME->addHTMLImage($attachment['data'], $attachment['mimetype'], $attachment['name'], false);
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else
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$MAIL_MIME->addHTMLImage($attachment['path'], $attachment['mimetype'], $attachment['name'], true);
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}
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else {
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$ctype = str_replace('image/pjpeg', 'image/jpeg', $attachment['mimetype']); // #1484914
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$file = $attachment['data'] ? $attachment['data'] : $attachment['path'];
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// .eml attachments send inline
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$MAIL_MIME->addAttachment($file,
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$ctype,
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$attachment['name'],
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($attachment['data'] ? false : true),
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($ctype == 'message/rfc822' ? $transfer_encoding : 'base64'),
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($ctype == 'message/rfc822' ? 'inline' : 'attachment'),
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$message_charset, '', '',
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$CONFIG['mime_param_folding'] ? 'quoted-printable' : NULL,
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$CONFIG['mime_param_folding'] == 2 ? 'quoted-printable' : NULL
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);
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}
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}
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}
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// add submitted attachments
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if (is_array($_FILES['_attachments']['tmp_name'])) {
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foreach ($_FILES['_attachments']['tmp_name'] as $i => $filepath) {
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$ctype = $files['type'][$i];
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$ctype = str_replace('image/pjpeg', 'image/jpeg', $ctype); // #1484914
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$MAIL_MIME->addAttachment($filepath, $ctype, $files['name'][$i], true,
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$ctype == 'message/rfc822' ? $transfer_encoding : 'base64',
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'attachment', $message_charset, '', '',
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$CONFIG['mime_param_folding'] ? 'quoted-printable' : NULL,
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$CONFIG['mime_param_folding'] == 2 ? 'quoted-printable' : NULL
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);
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}
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}
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|
// encoding settings for mail composing
|
|
$MAIL_MIME->setParam(array(
|
|
'text_encoding' => $transfer_encoding,
|
|
'html_encoding' => 'quoted-printable',
|
|
'head_encoding' => 'quoted-printable',
|
|
'head_charset' => $message_charset,
|
|
'html_charset' => $message_charset,
|
|
'text_charset' => $message_charset,
|
|
));
|
|
|
|
$data = $RCMAIL->plugins->exec_hook('outgoing_message_headers', array('headers' => $headers));
|
|
$headers = $data['headers'];
|
|
|
|
// encoding subject header with mb_encode provides better results with asian characters
|
|
if (function_exists("mb_encode_mimeheader"))
|
|
{
|
|
mb_internal_encoding($message_charset);
|
|
$headers['Subject'] = mb_encode_mimeheader($headers['Subject'], $message_charset, 'Q');
|
|
mb_internal_encoding(RCMAIL_CHARSET);
|
|
}
|
|
|
|
// pass headers to message object
|
|
$MAIL_MIME->headers($headers);
|
|
|
|
// Begin SMTP Delivery Block
|
|
if (!$savedraft)
|
|
{
|
|
// check for 'From' address (identity may be incomplete)
|
|
if ($identity_arr && !$identity_arr['mailto']) {
|
|
$OUTPUT->show_message('nofromaddress', 'error');
|
|
$OUTPUT->send('iframe');
|
|
}
|
|
|
|
$sent = rcmail_deliver_message($MAIL_MIME, $from, $mailto, $smtp_error);
|
|
|
|
// return to compose page if sending failed
|
|
if (!$sent)
|
|
{
|
|
if ($smtp_error)
|
|
$OUTPUT->show_message($smtp_error['label'], 'error', $smtp_error['vars']);
|
|
else
|
|
$OUTPUT->show_message('sendingfailed', 'error');
|
|
$OUTPUT->send('iframe');
|
|
}
|
|
|
|
// save message sent time
|
|
if (!empty($CONFIG['sendmail_delay']))
|
|
$RCMAIL->user->save_prefs(array('last_message_time' => time()));
|
|
|
|
// set replied/forwarded flag
|
|
if ($_SESSION['compose']['reply_uid'])
|
|
$IMAP->set_flag($_SESSION['compose']['reply_uid'], 'ANSWERED', $_SESSION['compose']['mailbox']);
|
|
else if ($_SESSION['compose']['forward_uid'])
|
|
$IMAP->set_flag($_SESSION['compose']['forward_uid'], 'FORWARDED', $_SESSION['compose']['mailbox']);
|
|
|
|
} // End of SMTP Delivery Block
|
|
|
|
|
|
|
|
// Determine which folder to save message
|
|
if ($savedraft)
|
|
$store_target = $CONFIG['drafts_mbox'];
|
|
else
|
|
$store_target = isset($_POST['_store_target']) ? get_input_value('_store_target', RCUBE_INPUT_POST) : $CONFIG['sent_mbox'];
|
|
|
|
if ($store_target)
|
|
{
|
|
// check if mailbox exists
|
|
if (!in_array_nocase($store_target, $IMAP->list_mailboxes()))
|
|
{
|
|
// folder may be existing but not subscribed (#1485241)
|
|
if (!in_array_nocase($store_target, $IMAP->list_unsubscribed()))
|
|
$store_folder = $IMAP->create_mailbox($store_target, TRUE);
|
|
else if ($IMAP->subscribe($store_target))
|
|
$store_folder = TRUE;
|
|
}
|
|
else
|
|
$store_folder = TRUE;
|
|
|
|
// append message to sent box
|
|
if ($store_folder)
|
|
$saved = $IMAP->save_message($store_target, $MAIL_MIME->getMessage());
|
|
|
|
// raise error if saving failed
|
|
if (!$saved)
|
|
{
|
|
raise_error(array('code' => 800, 'type' => 'imap', 'file' => __FILE__,
|
|
'message' => "Could not save message in $store_target"), TRUE, FALSE);
|
|
|
|
if ($savedraft) {
|
|
$OUTPUT->show_message('errorsaving', 'error');
|
|
$OUTPUT->send('iframe');
|
|
}
|
|
}
|
|
|
|
if ($olddraftmessageid)
|
|
{
|
|
// delete previous saved draft
|
|
$a_deleteid = $IMAP->search($CONFIG['drafts_mbox'], 'HEADER Message-ID '.$olddraftmessageid);
|
|
|
|
$deleted = $IMAP->delete_message($IMAP->get_uid($a_deleteid[0], $CONFIG['drafts_mbox']), $CONFIG['drafts_mbox']);
|
|
|
|
// raise error if deletion of old draft failed
|
|
if (!$deleted)
|
|
raise_error(array('code' => 800, 'type' => 'imap', 'file' => __FILE__,
|
|
'message' => "Could not delete message from ".$CONFIG['drafts_mbox']), TRUE, FALSE);
|
|
}
|
|
}
|
|
|
|
if ($savedraft)
|
|
{
|
|
$msgid = strtr($message_id, array('>' => '', '<' => ''));
|
|
|
|
// remember new draft-uid
|
|
$draftids = $IMAP->search($CONFIG['drafts_mbox'], 'HEADER Message-ID '.$msgid);
|
|
$_SESSION['compose']['param']['_draft_uid'] = $IMAP->get_uid($draftids[0], $CONFIG['drafts_mbox']);
|
|
|
|
// display success
|
|
$OUTPUT->show_message('messagesaved', 'confirmation');
|
|
|
|
// update "_draft_saveid" and the "cmp_hash" to prevent "Unsaved changes" warning
|
|
$OUTPUT->command('set_draft_id', $msgid);
|
|
$OUTPUT->command('compose_field_hash', true);
|
|
|
|
// start the auto-save timer again
|
|
$OUTPUT->command('auto_save_start');
|
|
|
|
$OUTPUT->send('iframe');
|
|
}
|
|
else
|
|
{
|
|
rcmail_compose_cleanup();
|
|
|
|
if ($store_folder && !$saved)
|
|
$OUTPUT->command('sent_successfully', 'error', rcube_label('errorsavingsent'));
|
|
else
|
|
$OUTPUT->command('sent_successfully', 'confirmation', rcube_label('messagesent'));
|
|
$OUTPUT->send('iframe');
|
|
}
|
|
|
|
?>
|