| | |
| | | 'messagepartcontrols' => 'rcmail_message_part_controls', |
| | | )); |
| | | |
| | | $mimetype = $part ? rcmail_fix_mimetype($part->mimetype) : ''; |
| | | |
| | | // message/rfc822 preview (Note: handle also multipart/ parts, they can |
| | | // come from Enigma, which replaces message/rfc822 with real mimetype) |
| | | if ($part_id && ($mimetype == 'message/rfc822' || strpos($mimetype, 'multipart/') === 0)) { |
| | | $uid = preg_replace('/\.[0-9.]+/', '', $uid); |
| | | $uid .= '.' . $part_id; |
| | | |
| | | $OUTPUT->set_env('is_message', true); |
| | | } |
| | | |
| | | $OUTPUT->set_env('mailbox', $RCMAIL->storage->get_folder()); |
| | | $OUTPUT->set_env('uid', $uid); |
| | | $OUTPUT->set_env('part', $part_id); |
| | | $OUTPUT->set_env('filename', $filename); |
| | | $OUTPUT->set_env('mimetype', $mimetype); |
| | | |
| | | $OUTPUT->send('messagepart'); |
| | | exit; |
| | |
| | | $image = new rcube_image($orig_name); |
| | | if ($imgtype = $image->resize($thumbnail_size, $cache_file, true)) { |
| | | $mimetype = 'image/' . $imgtype; |
| | | unlink($orig_name); |
| | | } |
| | | else if (stripos($mimetype, 'image/svg') === 0) { |
| | | $content = rcmail_svg_filter(file_get_contents($orig_name)); |
| | | file_put_contents($cache_file, $content); |
| | | unlink($orig_name); |
| | | } |
| | | else { |
| | |
| | | if ($plugin['abort']) { |
| | | exit; |
| | | } |
| | | |
| | | // require CSRF protected url for downloads |
| | | if ($plugin['download']) |
| | | $RCMAIL->request_security_check(rcube_utils::INPUT_GET); |
| | | |
| | | // overwrite modified vars from plugin |
| | | $mimetype = $plugin['mimetype']; |
| | |
| | | } |
| | | |
| | | // convert image to jpeg and send it to the browser |
| | | if ($saved) { |
| | | if ($sent = $saved) { |
| | | $image = new rcube_image($file_path); |
| | | if ($image->convert(rcube_image::TYPE_JPG, $file_path)) { |
| | | header("Content-Length: " . filesize($file_path)); |
| | |
| | | unlink($file_path); |
| | | } |
| | | } |
| | | // do content filtering to avoid XSS through fake images |
| | | else if (!empty($_REQUEST['_embed']) && $browser->ie && $browser->ver <= 8) { |
| | | if ($body) { |
| | | echo preg_match('/<(script|iframe|object)/i', $body) ? '' : $body; |
| | | $sent = true; |
| | | } |
| | | else if ($part->size) { |
| | | $stdout = fopen('php://output', 'w'); |
| | | stream_filter_register('rcube_content', 'rcube_content_filter') or die('Failed to register content filter'); |
| | | stream_filter_append($stdout, 'rcube_content'); |
| | | $sent = $MESSAGE->get_part_body($part->mime_id, true, 0, $stdout); |
| | | } |
| | | } |
| | | // send part as-it-is |
| | | else { |
| | | if ($body && empty($plugin['download'])) { |
| | | header("Content-Length: " . strlen($body)); |
| | | echo $body; |
| | | $sent = true; |
| | | } |
| | | else if ($part->size) { |
| | | // Don't be tempted to set Content-Length to $part->d_parameters['size'] (#1490482) |
| | | // RFC2183 says "The size parameter indicates an approximate size" |
| | | |
| | | $sent = $MESSAGE->get_part_body($part->mime_id, false, 0, -1); |
| | | } |
| | | $sent = rcmail_message_part_output($body, $part, $mimetype, $plugin['download']); |
| | | } |
| | | |
| | | // check connection status |
| | |
| | | */ |
| | | function rcmail_message_part_frame($attrib) |
| | | { |
| | | global $MESSAGE, $RCMAIL; |
| | | global $RCMAIL; |
| | | |
| | | $part = $MESSAGE->mime_parts[asciiwords(rcube_utils::get_input_value('_part', rcube_utils::INPUT_GPC))]; |
| | | $ctype_primary = strtolower($part->ctype_primary); |
| | | |
| | | $attrib['src'] = './?' . str_replace('_frame=', ($ctype_primary=='text' ? '_embed=' : '_preload='), $_SERVER['QUERY_STRING']); |
| | | if ($RCMAIL->output->get_env('is_message')) { |
| | | $attrib['src'] = $RCMAIL->url(array( |
| | | 'task' => 'mail', |
| | | 'action' => 'preview', |
| | | 'uid' => $RCMAIL->output->get_env('uid'), |
| | | 'mbox' => $RCMAIL->output->get_env('mailbox'), |
| | | 'framed' => 1, |
| | | )); |
| | | } |
| | | else { |
| | | $mimetype = $RCMAIL->output->get_env('mimetype'); |
| | | $frame_replace = strpos($mimetype, 'text/') === 0 ? '_embed=' : '_preload='; |
| | | $attrib['src'] = './?' . str_replace('_frame=', $frame_replace, $_SERVER['QUERY_STRING']); |
| | | } |
| | | |
| | | $RCMAIL->output->add_gui_object('messagepartframe', $attrib['id']); |
| | | |
| | | return html::iframe($attrib); |
| | | } |
| | | |
| | | /** |
| | | * Output attachment body with content filtering |
| | | */ |
| | | function rcmail_message_part_output($body, $part, $mimetype, $download) |
| | | { |
| | | global $MESSAGE, $RCMAIL; |
| | | |
| | | if (!$part->size && !$body) { |
| | | return false; |
| | | } |
| | | |
| | | $browser = $RCMAIL->output->browser; |
| | | $secure = stripos($mimetype, 'image/') === false || $download; |
| | | |
| | | // Remove <script> in SVG images |
| | | if (!$secure && stripos($mimetype, 'image/svg') === 0) { |
| | | if (!$body) { |
| | | $body = $MESSAGE->get_part_body($part->mime_id, false); |
| | | if (empty($body)) { |
| | | return false; |
| | | } |
| | | } |
| | | |
| | | echo rcmail_svg_filter($body); |
| | | return true; |
| | | } |
| | | |
| | | // Remove dangerous content in images for older IE (to be removed) |
| | | if (!$secure && $browser->ie && $browser->ver <= 8) { |
| | | if ($body) { |
| | | echo preg_match('/<(script|iframe|object)/i', $body) ? '' : $body; |
| | | return true; |
| | | } |
| | | else { |
| | | $stdout = fopen('php://output', 'w'); |
| | | stream_filter_register('rcube_content', 'rcube_content_filter') or die('Failed to register content filter'); |
| | | stream_filter_append($stdout, 'rcube_content'); |
| | | return $MESSAGE->get_part_body($part->mime_id, true, 0, $stdout); |
| | | } |
| | | } |
| | | |
| | | if ($body && !$download) { |
| | | header("Content-Length: " . strlen($body)); |
| | | echo $body; |
| | | return true; |
| | | } |
| | | |
| | | // Don't be tempted to set Content-Length to $part->d_parameters['size'] (#1490482) |
| | | // RFC2183 says "The size parameter indicates an approximate size" |
| | | |
| | | return $MESSAGE->get_part_body($part->mime_id, false, 0, -1); |
| | | } |
| | | |
| | | /** |
| | | * Remove <script> in SVG images |
| | | */ |
| | | function rcmail_svg_filter($body) |
| | | { |
| | | // clean SVG with washhtml |
| | | $wash_opts = array( |
| | | 'show_washed' => false, |
| | | 'allow_remote' => false, |
| | | 'charset' => RCUBE_CHARSET, |
| | | 'html_elements' => array('title'), |
| | | // 'blocked_src' => 'program/resources/blocked.gif', |
| | | ); |
| | | |
| | | // initialize HTML washer |
| | | $washer = new rcube_washtml($wash_opts); |
| | | |
| | | // allow CSS styles, will be sanitized by rcmail_washtml_callback() |
| | | $washer->add_callback('style', 'rcmail_washtml_callback'); |
| | | |
| | | return $washer->wash($body); |
| | | } |