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470 lines
15 KiB
PHP
470 lines
15 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) 2005-2007, RoundCube Dev. - Switzerland |
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| Licensed under the GNU GPL |
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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 IlohaMail's SMTP methods 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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//require_once('lib/smtp.inc');
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require_once('include/rcube_smtp.inc');
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require_once('lib/html2text.inc');
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require_once('lib/rc_mail_mime.inc');
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if (!isset($_SESSION['compose']['id']))
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{
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rcmail_overwrite_action('list');
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return;
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}
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/****** message sending functions ********/
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function rcmail_get_identity($id)
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{
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global $DB, $OUTPUT;
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// get identity record
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$sql_result = $DB->query("SELECT *, email AS mailto
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FROM ".get_table_name('identities')."
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WHERE identity_id=?
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AND user_id=?
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AND del<>1",
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$id,$_SESSION['user_id']);
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if ($DB->num_rows($sql_result))
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{
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$sql_arr = $DB->fetch_assoc($sql_result);
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$out = $sql_arr;
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$name = strpos($sql_arr['name'], ",") ? '"'.$sql_arr['name'].'"' : $sql_arr['name'];
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$out['string'] = sprintf('%s <%s>',
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rcube_charset_convert($name, RCMAIL_CHARSET, $OUTPUT->get_charset()),
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$sql_arr['mailto']);
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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, $INSTALL_PATH;
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$htmlContents = $mime_message->getHtmlBody();
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// remove any null-byte characters before parsing
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$body = preg_replace('/\x00/', '', $htmlContents);
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$last_img_pos = 0;
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$searchstr = 'program/js/tiny_mce/plugins/emotions/images/';
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// keep track of added images, so they're only added once
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$included_images = array();
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// find emoticon image tags
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while ($pos = strpos($body, $searchstr, $last_img_pos))
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{
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$pos2 = strpos($body, '"', $pos);
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$body_pre = substr($body, 0, $pos);
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$image_name = substr($body,
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$pos + strlen($searchstr),
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$pos2 - ($pos + strlen($searchstr)));
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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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$body_post = substr($body, $pos2);
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if (! in_array($image_name, $included_images))
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{
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// add the image to the MIME message
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$img_file = $INSTALL_PATH . '/' . $searchstr . $image_name;
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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 = $body_pre . 'cid:_' . $image_name . $body_post;
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$last_img_pos = $pos2;
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}
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$mime_message->setHTMLBody($body);
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}
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if (strlen($_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'.rand(),true)), rcmail_mail_domain($_SESSION['imap_host']));
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$savedraft = !empty($_POST['_draft']) ? TRUE : FALSE;
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// remove all scripts and act as called in frame
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$OUTPUT->reset();
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$OUTPUT->framed = TRUE;
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/****** check submission and compose message ********/
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if (!$savedraft && empty($_POST['_to']) && empty($_POST['_subject']) && $_POST['_message'])
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{
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$OUTPUT->show_message("sendingfailed", 'error');
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$OUTPUT->send('iframe');
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return;
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}
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// set default charset
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$input_charset = $OUTPUT->get_charset();
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$message_charset = isset($_POST['_charset']) ? $_POST['_charset'] : $input_charset;
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$mailto_regexp = array('/[,;]\s*[\r\n]+/', '/[\r\n]+/', '/[,;]\s*$/m', '/;/');
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$mailto_replace = array(', ', ', ', '', ',');
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// replace new lines and strip ending ', '
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$mailto = preg_replace($mailto_regexp, $mailto_replace, get_input_value('_to', RCUBE_INPUT_POST, TRUE, $message_charset));
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// decode address strings
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$to_address_arr = $IMAP->decode_address_list($mailto);
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$identity_arr = rcmail_get_identity(get_input_value('_from', RCUBE_INPUT_POST));
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$from = $identity_arr['mailto'];
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$first_to = is_array($to_address_arr[0]) ? $to_address_arr[0]['mailto'] : $mailto;
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if (empty($identity_arr['string']))
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$identity_arr['string'] = $from;
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// compose headers array
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$headers = array('Date' => date('D, j M Y H:i:s O'),
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'From' => rcube_charset_convert($identity_arr['string'], RCMAIL_CHARSET, $message_charset),
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'To' => $mailto);
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// additional recipients
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if (!empty($_POST['_cc']))
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$headers['Cc'] = preg_replace($mailto_regexp, $mailto_replace, get_input_value('_cc', RCUBE_INPUT_POST, TRUE, $message_charset));
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if (!empty($_POST['_bcc']))
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$headers['Bcc'] = preg_replace($mailto_regexp, $mailto_replace, get_input_value('_bcc', RCUBE_INPUT_POST, TRUE, $message_charset));
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if (!empty($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, FALSE, $message_charset));
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if (!empty($identity_arr['organization']))
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$headers['Organization'] = $identity_arr['organization'];
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if (!empty($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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$priority = (int)$_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'] = $CONFIG['useragent'];
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// fetch message body
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$message_body = get_input_value('_message', RCUBE_INPUT_POST, TRUE, $message_charset);
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// append generic footer to all messages
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if (!empty($CONFIG['generic_message_footer']))
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{
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$file = realpath($CONFIG['generic_message_footer']);
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if($fp = fopen($file, 'r'))
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{
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$content = fread($fp, filesize($file));
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fclose($fp);
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$message_body .= "\r\n" . rcube_charset_convert($content, 'UTF-8', $message_charset);
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}
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}
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// try to autodetect operating system and use the correct line endings
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// use the configured delimiter for headers
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if (!empty($CONFIG['mail_header_delimiter']))
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$header_delm = $CONFIG['mail_header_delimiter'];
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else if (strtolower(substr(PHP_OS, 0, 3)=='win'))
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$header_delm = "\r\n";
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else if (strtolower(substr(PHP_OS, 0, 3)=='mac'))
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$header_delm = "\r\n";
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else
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$header_delm = "\n";
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$isHtmlVal = strtolower(get_input_value('_is_html', RCUBE_INPUT_POST));
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$isHtml = ($isHtmlVal == "1");
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// create extended PEAR::Mail_mime instance
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$MAIL_MIME = new rc_mail_mime($header_delm);
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// For HTML-formatted messages, construct the MIME message with both
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// the HTML part and the plain-text part
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if ($isHtml)
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{
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$MAIL_MIME->setHTMLBody($message_body);
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// add a plain text version of the e-mail as an alternative part.
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$h2t = new html2text($message_body);
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$plainTextPart = wordwrap($h2t->get_text(), 998, "\r\n", true);
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$MAIL_MIME->setTXTBody($plainTextPart);
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// look for "emoticon" images from TinyMCE and copy into message as attachments
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rcmail_attach_emoticons($MAIL_MIME);
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}
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else
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{
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$message_body = wordwrap($message_body, 75, "\r\n");
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$message_body = wordwrap($message_body, 998, "\r\n", true);
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$MAIL_MIME->setTXTBody($message_body, FALSE, TRUE);
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}
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// add stored attachments, if any
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if (is_array($_SESSION['compose']['attachments']))
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foreach ($_SESSION['compose']['attachments'] as $attachment)
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$MAIL_MIME->addAttachment($attachment['path'], $attachment['mimetype'], $attachment['name'], true, 'base64', 'attachment', $message_charset);
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// add submitted attachments
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if (is_array($_FILES['_attachments']['tmp_name']))
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foreach ($_FILES['_attachments']['tmp_name'] as $i => $filepath)
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$MAIL_MIME->addAttachment($filepath, $files['type'][$i], $files['name'][$i], true, 'base64', 'attachment', $message_charset);
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// chose transfer encoding
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$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), $charset_7bit) ? '7bit' : '8bit';
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// encoding settings for mail composing
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$message_param = array(
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'text_encoding' => $transfer_encoding,
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'html_encoding' => 'quoted-printable',
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'head_encoding' => 'quoted-printable',
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'head_charset' => $message_charset,
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'html_charset' => $message_charset,
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'text_charset' => $message_charset,
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);
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// compose message body and get headers
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$msg_body = $MAIL_MIME->get($message_param);
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// unset to save memory.
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unset($MAIL_MIME->_parts);
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// encoding subject header with mb_encode provides better results with asian characters
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if ($MBSTRING && function_exists("mb_encode_mimeheader"))
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{
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mb_internal_encoding($message_charset);
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$mb_subject = mb_encode_mimeheader($headers['Subject'], $message_charset, 'Q');
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mb_internal_encoding(RCMAIL_CHARSET);
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}
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// Begin SMTP Delivery Block
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if (!$savedraft) {
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// send thru SMTP server using custom SMTP library
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if ($CONFIG['smtp_server'])
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{
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// generate list of recipients
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$a_recipients = array($mailto);
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if (strlen($headers['Cc']))
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$a_recipients[] = $headers['Cc'];
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if (strlen($headers['Bcc']))
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$a_recipients[] = $headers['Bcc'];
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// clean Bcc from header for recipients
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$send_headers = $headers;
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unset($send_headers['Bcc']);
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if (!empty($mb_subject))
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$send_headers['Subject'] = $mb_subject;
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// send message
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$smtp_response = array();
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$sent = smtp_mail($from, $a_recipients, ($foo = $MAIL_MIME->txtHeaders($send_headers)), $msg_body, $smtp_response);
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// log error
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if (!$sent)
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raise_error(array('code' => 800, 'type' => 'smtp', 'line' => __LINE__, 'file' => __FILE__,
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'message' => "SMTP error: ".join("\n", $smtp_response)), TRUE, FALSE);
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}
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// send mail using PHP's mail() function
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else
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{
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// unset some headers because they will be added by the mail() function
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$headers_enc = $MAIL_MIME->headers($headers);
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$headers_php = $MAIL_MIME->_headers;
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unset($headers_php['To'], $headers_php['Subject']);
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if (!empty($mb_subject))
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$headers_enc['Subject'] = $mb_subject;
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// reset stored headers and overwrite
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$MAIL_MIME->_headers = array();
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$header_str = $MAIL_MIME->txtHeaders($headers_php);
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if (ini_get('safe_mode'))
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$sent = mail($headers_enc['To'], $headers_enc['Subject'], $msg_body, $header_str);
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else
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$sent = mail($headers_enc['To'], $headers_enc['Subject'], $msg_body, $header_str, "-f$from");
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}
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// return to compose page if sending failed
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if (!$sent)
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{
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$OUTPUT->show_message("sendingfailed", 'error');
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$OUTPUT->send('iframe');
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return;
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}
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// set repliead flag
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if ($_SESSION['compose']['reply_uid'])
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$IMAP->set_flag($_SESSION['compose']['reply_uid'], 'ANSWERED');
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} // End of SMTP Delivery Block
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// Determine which folder to save message
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if ($savedraft)
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$store_target = 'drafts_mbox';
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else
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$store_target = 'sent_mbox';
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if ($CONFIG[$store_target])
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{
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// create string of complete message headers
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$header_str = $MAIL_MIME->txtHeaders($headers);
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// check if mailbox exists
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if (!in_array_nocase($CONFIG[$store_target], $IMAP->list_mailboxes()))
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$store_folder = $IMAP->create_mailbox($CONFIG[$store_target], TRUE);
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else
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$store_folder = TRUE;
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// add headers to message body
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$msg_body = $header_str."\r\n".$msg_body;
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// append message to sent box
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if ($store_folder)
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$saved = $IMAP->save_message($CONFIG[$store_target], $msg_body);
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// raise error if saving failed
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if (!$saved)
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{
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raise_error(array('code' => 800, 'type' => 'imap', 'file' => __FILE__,
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'message' => "Could not save message in $CONFIG[$store_target]"), TRUE, FALSE);
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$OUTPUT->show_message('errorsaving', 'error');
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$OUTPUT->send('iframe');
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}
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if ($olddraftmessageid)
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{
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// delete previous saved draft
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$a_deleteid = $IMAP->search($CONFIG['drafts_mbox'],'HEADER Message-ID',$olddraftmessageid);
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$deleted = $IMAP->delete_message($IMAP->get_uid($a_deleteid[0],$CONFIG['drafts_mbox']),$CONFIG['drafts_mbox']);
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// raise error if deletion of old draft failed
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if (!$deleted)
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raise_error(array('code' => 800, 'type' => 'imap', 'file' => __FILE__,
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'message' => "Could not delete message from ".$CONFIG['drafts_mbox']), TRUE, FALSE);
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}
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}
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if ($savedraft)
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{
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// display success
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$OUTPUT->show_message('messagesaved', 'confirmation');
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// update "_draft_saveid" and the "cmp_hash" to prevent "Unsaved changes" warning
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$OUTPUT->command('set_draft_id', str_replace(array('<','>'), "", $message_id));
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$OUTPUT->command('compose_field_hash', true);
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// start the auto-save timer again
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$OUTPUT->command('auto_save_start');
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$OUTPUT->send('iframe');
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}
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else
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{
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if ($CONFIG['smtp_log'])
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{
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$log_entry = sprintf(
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"[%s] User: %d on %s; Message for %s; %s\n",
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date("d-M-Y H:i:s O", mktime()),
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$_SESSION['user_id'],
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$_SERVER['REMOTE_ADDR'],
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$mailto,
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!empty($smtp_response) ? join('; ', $smtp_response) : '');
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if ($fp = @fopen($CONFIG['log_dir'].'/sendmail', 'a'))
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{
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fwrite($fp, $log_entry);
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fclose($fp);
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}
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}
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rcmail_compose_cleanup();
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$OUTPUT->command('sent_successfully', rcube_label('messagesent'));
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$OUTPUT->send('iframe');
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}
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?>
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