From 2965a981b7ec22866fbdf2d567d87e2d068d3617 Mon Sep 17 00:00:00 2001
From: Thomas Bruederli <thomas@roundcube.net>
Date: Fri, 31 Jul 2015 16:04:08 -0400
Subject: [PATCH] Allow to search and import missing PGP pubkeys from keyservers using Publickey.js

---
 program/steps/mail/compose.inc |  266 ++++++++++++++++++++++++++++++++++------------------
 1 files changed, 174 insertions(+), 92 deletions(-)

diff --git a/program/steps/mail/compose.inc b/program/steps/mail/compose.inc
index 22ebaed..9e1b988 100644
--- a/program/steps/mail/compose.inc
+++ b/program/steps/mail/compose.inc
@@ -53,13 +53,14 @@
     }
 
     $COMPOSE_ID = uniqid(mt_rand());
+    $params     = rcube_utils::request2param(rcube_utils::INPUT_GET, 'task|action', true);
+
     $_SESSION['compose_data_'.$COMPOSE_ID] = array(
         'id'      => $COMPOSE_ID,
-        'param'   => rcube_utils::request2param(rcube_utils::INPUT_GET, 'task|action', true),
-        'mailbox' => $RCMAIL->storage->get_folder(),
+        'param'   => $params,
+        'mailbox' => $params['mbox'] ?: $RCMAIL->storage->get_folder(),
     );
     $COMPOSE =& $_SESSION['compose_data_'.$COMPOSE_ID];
-
     rcmail_process_compose_params($COMPOSE);
 
     // check if folder for saving sent messages exists and is subscribed (#1486802)
@@ -80,9 +81,12 @@
 $OUTPUT->add_label('nosubject', 'nosenderwarning', 'norecipientwarning', 'nosubjectwarning', 'cancel',
     'nobodywarning', 'notsentwarning', 'notuploadedwarning', 'savingmessage', 'sendingmessage', 
     'messagesaved', 'converting', 'editorwarning', 'searching', 'uploading', 'uploadingmany',
-    'fileuploaderror', 'sendmessage', 'savenewresponse', 'responsename', 'responsetext', 'save',
+    'fileuploaderror', 'sendmessage', 'newresponse', 'responsename', 'responsetext', 'save',
     'savingresponse', 'restoresavedcomposedata', 'restoremessage', 'delete', 'restore', 'ignore',
-    'selectimportfile');
+    'selectimportfile', 'messageissent', 'loadingdata', 'nopubkeyfor', 'nopubkeyforsender',
+    'encryptnoattachments','encryptedsendialog','searchpubkeyservers', 'importpubkeys',
+    'encryptpubkeysfound',  'search', 'close', 'import', 'keyid', 'keylength', 'keyexpired',
+    'keyrevoked');
 
 $OUTPUT->set_pagetitle($RCMAIL->gettext('compose'));
 
@@ -90,7 +94,10 @@
 $OUTPUT->set_env('session_id', session_id());
 $OUTPUT->set_env('mailbox', $RCMAIL->storage->get_folder());
 $OUTPUT->set_env('top_posting', intval($RCMAIL->config->get('reply_mode')) > 0);
+$OUTPUT->set_env('sig_below', $RCMAIL->config->get('sig_below'));
 $OUTPUT->set_env('recipients_separator', trim($RCMAIL->config->get('recipients_separator', ',')));
+$OUTPUT->set_env('save_localstorage', (bool)$RCMAIL->config->get('compose_save_localstorage'));
+$OUTPUT->set_env('is_sent', false);
 
 $drafts_mbox     = $RCMAIL->config->get('drafts_mbox');
 $config_show_sig = $RCMAIL->config->get('show_sig', 1);
@@ -130,8 +137,10 @@
     $compose_mode = RCUBE_COMPOSE_EDIT;
 }
 
-$COMPOSE['mode'] = $compose_mode;
-$OUTPUT->set_env('compose_mode', $compose_mode);
+if ($compose_mode) {
+    $COMPOSE['mode'] = $compose_mode;
+    $OUTPUT->set_env('compose_mode', $compose_mode);
+}
 
 if ($compose_mode == RCUBE_COMPOSE_EDIT || $compose_mode == RCUBE_COMPOSE_DRAFT) {
     // don't add signature in draft/edit mode, we'll also not remove the old-one
@@ -280,6 +289,7 @@
 foreach ($parts as $header) {
     $fvalue        = '';
     $decode_header = true;
+    $charset       = $MESSAGE->headers->charset;
 
     // we have a set of recipients stored is session
     if ($header == 'to' && ($mailto_id = $COMPOSE['param']['mailto'])
@@ -287,16 +297,19 @@
     ) {
         $fvalue        = urldecode($_SESSION['mailto'][$mailto_id]);
         $decode_header = false;
+        $charset       = $RCMAIL->output->charset;
 
         // make session to not grow up too much
         unset($_SESSION['mailto'][$mailto_id]);
         $COMPOSE['param']['to'] = $fvalue;
     }
     else if (!empty($_POST['_'.$header])) {
-        $fvalue = rcube_utils::get_input_value('_'.$header, rcube_utils::INPUT_POST, TRUE);
+        $fvalue  = rcube_utils::get_input_value('_'.$header, rcube_utils::INPUT_POST, TRUE);
+        $charset = $RCMAIL->output->charset;
     }
     else if (!empty($COMPOSE['param'][$header])) {
-        $fvalue = $COMPOSE['param'][$header];
+        $fvalue  = $COMPOSE['param'][$header];
+        $charset = $RCMAIL->output->charset;
     }
     else if ($compose_mode == RCUBE_COMPOSE_REPLY) {
         // get recipent address(es) out of the message headers
@@ -315,13 +328,18 @@
                 $fvalue = $mailfollowup;
             else if ($mailreplyto)
                 $fvalue = $mailreplyto;
-            else if (!empty($MESSAGE->headers->replyto))
-                $fvalue = $MESSAGE->headers->replyto;
+            else if (!empty($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)
-            if (!empty($ident) && in_array($ident['ident'], array($fvalue, $MESSAGE->headers->from))) {
+            // Reply-To address need to be unset (#1490233)
+            if (!empty($ident) && empty($replyto)
+                && in_array($ident['ident'], array($fvalue, $MESSAGE->headers->from))
+            ) {
                 $fvalue = $MESSAGE->headers->to;
             }
         }
@@ -337,9 +355,9 @@
 
             // When To: and Reply-To: are the same we add From: address to the list (#1489037)
             if ($v = $MESSAGE->headers->from) {
-                $from    = rcube_mime::decode_address_list($v, null, false, $MESSAGE->headers->charset, true);
-                $to      = rcube_mime::decode_address_list($MESSAGE->headers->to, null, false, $MESSAGE->headers->charset, true);
-                $replyto = rcube_mime::decode_address_list($MESSAGE->headers->replyto, null, false, $MESSAGE->headers->charset, true);
+                $from    = rcube_mime::decode_address_list($v, null, false, $charset, true);
+                $to      = rcube_mime::decode_address_list($MESSAGE->headers->to, null, false, $charset, true);
+                $replyto = rcube_mime::decode_address_list($MESSAGE->headers->replyto, null, false, $charset, true);
 
                 if (count($replyto) && !count(array_diff($to, $replyto)) && count(array_diff($from, $to))) {
                     $fvalue .= (!empty($fvalue) ? $separator : '') . $v;
@@ -365,7 +383,7 @@
 
     // split recipients and put them back together in a unique way
     if (!empty($fvalue) && in_array($header, array('to', 'cc', 'bcc'))) {
-        $to_addresses = rcube_mime::decode_address_list($fvalue, null, $decode_header, $MESSAGE->headers->charset);
+        $to_addresses = rcube_mime::decode_address_list($fvalue, null, $decode_header, $charset);
         $fvalue       = array();
 
         foreach ($to_addresses as $addr_part) {
@@ -412,7 +430,8 @@
     'filedroparea'          => 'compose_file_drop_area',
     'priorityselector'      => 'rcmail_priority_selector',
     'editorselector'        => 'rcmail_editor_selector',
-    'receiptcheckbox'       => 'rcmail_receipt_checkbox',
+    'receiptcheckbox'       => 'rcmail_mdn_checkbox', // deprecated
+    'mdncheckbox'           => 'rcmail_mdn_checkbox',
     'dsncheckbox'           => 'rcmail_dsn_checkbox',
     'storetarget'           => 'rcmail_store_target_selection',
     'addressbooks'          => 'rcmail_addressbook_list',
@@ -433,6 +452,8 @@
 
         // #1486037: remove "mailto:" prefix
         $COMPOSE['param']['to'] = preg_replace('/^mailto:/i', '', $mailto[0]);
+        // #1490346: decode the recipient address
+        $COMPOSE['param']['to'] = urldecode($COMPOSE['param']['to']);
 
         // Supported case-insensitive tokens in mailto URL
         $url_tokens = array('to', 'cc', 'bcc', 'reply-to', 'in-reply-to', 'references', 'subject', 'body');
@@ -487,7 +508,7 @@
         foreach ($plugin['attachments'] as $attach) {
             // we have structured data
             if (is_array($attach)) {
-                $attachment = $attach;
+                $attachment = $attach + array('group' => $COMPOSE_ID);
             }
             // only a file path is given
             else {
@@ -595,8 +616,10 @@
     if (count($MESSAGE->identities)) {
         $a_signatures = array();
         $identities   = array();
-        $separator    = intval($RCMAIL->config->get('reply_mode')) > 0
-            && ($compose_mode == RCUBE_COMPOSE_REPLY || $compose_mode == RCUBE_COMPOSE_FORWARD) ? '---' : '-- ';
+        $top_posting  = intval($RCMAIL->config->get('reply_mode')) > 0
+            && !$RCMAIL->config->get('sig_below')
+            && ($compose_mode == RCUBE_COMPOSE_REPLY || $compose_mode == RCUBE_COMPOSE_FORWARD);
+        $separator = $top_posting ? '---' : '-- ';
 
         $field_attrib['onchange'] = rcmail_output::JS_OBJECT_NAME.".change_identity(this)";
         $select_from = new html_select($field_attrib);
@@ -611,20 +634,17 @@
                 $text = $html = $sql_arr['signature'];
 
                 if ($sql_arr['html_signature']) {
-                    $h2t  = new rcube_html2text($sql_arr['signature'], false, false);
+                    $h2t  = new rcube_html2text($html, false, true);
                     $text = trim($h2t->get_text());
                 }
                 else {
-                    $html = htmlentities($html, ENT_NOQUOTES, RCUBE_CHARSET);
+                    $t2h  = new rcube_text2html($text, false);
+                    $html = $t2h->get_html();
                 }
 
                 if (!preg_match('/^--[ -]\r?\n/m', $text)) {
                     $text = $separator . "\n" . $text;
                     $html = $separator . "<br>" . $html;
-                }
-
-                if (!$sql_arr['html_signature']) {
-                    $html = "<pre>" . $html . "</pre>";
                 }
 
                 $a_signatures[$identity_id]['text'] = $text;
@@ -638,6 +658,8 @@
             if (!empty($sql_arr['bcc'])) {
                 $identities[$identity_id]['bcc'] = $sql_arr['bcc'];
             }
+
+            $identities[$identity_id]['email'] = $sql_arr['email'];
         }
 
         $out = $select_from->show($MESSAGE->compose['from']);
@@ -730,6 +752,21 @@
             }
 
             foreach ($MESSAGE->parts as $part) {
+                if ($part->realtype == 'multipart/encrypted') {
+                    // find the encrypted message payload part
+                    foreach ($MESSAGE->mime_parts as $mime_id => $mpart) {
+                        if ($mpart->mimetype == 'application/octet-stream' || !empty($mpart->filename)) {
+                            $RCMAIL->output->set_env('pgp_mime_message', array(
+                                '_mbox' => $RCMAIL->storage->get_folder(), '_uid' => $MESSAGE->uid, '_part' => $mime_id,
+                            ));
+                            $RCMAIL->output->set_env('compose_mode', $compose_mode);
+                            $MESSAGE->pgp_mime = true;
+                            break;
+                        }
+                    }
+                    continue;
+                }
+
                 // skip no-content and attachment parts (#1488557)
                 if ($part->type != 'content' || !$part->size || $MESSAGE->is_attachment($part)) {
                     continue;
@@ -752,14 +789,21 @@
         }
 
         // compose reply-body
-        if ($compose_mode == RCUBE_COMPOSE_REPLY)
+        if ($compose_mode == RCUBE_COMPOSE_REPLY) {
             $body = rcmail_create_reply_body($body, $isHtml);
+
+            if ($MESSAGE->pgp_mime) {
+                $RCMAIL->output->set_env('compose_reply_header', rcmail_get_reply_header($MESSAGE));
+            }
+        }
         // forward message body inline
-        else if ($compose_mode == RCUBE_COMPOSE_FORWARD)
+        else if ($compose_mode == RCUBE_COMPOSE_FORWARD) {
             $body = rcmail_create_forward_body($body, $isHtml);
+        }
         // load draft message body
-        else if ($compose_mode == RCUBE_COMPOSE_DRAFT || $compose_mode == RCUBE_COMPOSE_EDIT)
+        else if ($compose_mode == RCUBE_COMPOSE_DRAFT || $compose_mode == RCUBE_COMPOSE_EDIT) {
             $body = rcmail_create_draft_body($body, $isHtml);
+        }
     }
     else { // new message
         $isHtml = rcmail_compose_editor_mode();
@@ -772,12 +816,13 @@
     unset($plugin);
 
     // add blocked.gif attachment (#1486516)
-    if ($isHtml && preg_match('#<img src="\./program/resources/blocked\.gif"#', $body)) {
-        if ($attachment = rcmail_save_image('program/resources/blocked.gif', 'image/gif')) {
+    if ($isHtml && preg_match('#<img src="program/resources/blocked\.gif"#', $body)) {
+        $content = $RCMAIL->get_resource_content('blocked.gif');
+        if ($content && ($attachment = rcmail_save_image('blocked.gif', 'image/gif', $content))) {
             $COMPOSE['attachments'][$attachment['id']] = $attachment;
             $url = sprintf('%s&_id=%s&_action=display-attachment&_file=rcmfile%s',
                 $RCMAIL->comm_path, $COMPOSE['id'], $attachment['id']);
-            $body = preg_replace('#\./program/resources/blocked\.gif#', $url, $body);
+            $body = preg_replace('#program/resources/blocked\.gif#', $url, $body);
         }
     }
 
@@ -788,7 +833,7 @@
 
 function rcmail_compose_part_body($part, $isHtml = false)
 {
-    global $RCMAIL, $MESSAGE, $LINE_LENGTH, $compose_mode;
+    global $RCMAIL, $COMPOSE, $MESSAGE, $LINE_LENGTH, $compose_mode;
 
     // Check if we have enough memory to handle the message in it
     // #1487424: we need up to 10x more memory than the body
@@ -796,21 +841,21 @@
         return '';
     }
 
-    if (empty($part->ctype_parameters) || empty($part->ctype_parameters['charset'])) {
-        $part->ctype_parameters['charset'] = $MESSAGE->headers->charset;
-    }
-
     // fetch part if not available
-    if (!isset($part->body)) {
-        $part->body = $MESSAGE->get_part_content($part->mime_id);
-    }
+    $body = $MESSAGE->get_part_body($part->mime_id, true);
 
     // message is cached but not exists (#1485443), or other error
-    if ($part->body === false) {
+    if ($body === false) {
         return '';
     }
 
-    $body = $part->body;
+    // register this part as pgp encrypted
+    if (strpos($body, 'BEGIN PGP MESSAGE') !== false) {
+        $MESSAGE->pgp_mime = true;
+        $RCMAIL->output->set_env('pgp_mime_message', array(
+            '_mbox' => $RCMAIL->storage->get_folder(), '_uid' => $MESSAGE->uid, '_part' => $part->mime_id,
+        ));
+    }
 
     if ($isHtml) {
         if ($part->ctype_secondary == 'html') {
@@ -826,15 +871,8 @@
                 }
             }
 
-            if ($part->ctype_parameters['format'] == 'flowed') {
-                $body = rcube_mime::unfold_flowed($body);
-            }
-
             // add HTML formatting
-            $body = rcmail_plain_body($body);
-            if ($body) {
-                $body = '<pre>' . $body . '</pre>';
-            }
+            $body = rcmail_plain_body($body, $part->ctype_parameters['format'] == 'flowed');
         }
     }
     else {
@@ -957,9 +995,8 @@
             "googie.setLanguages(%s);\n".
             "googie.setCurrentLanguage('%s');\n".
             "googie.setDecoration(false);\n".
-            "googie.decorateTextarea('%s');\n".
-            "%s.set_env('spellcheck', googie);",
-            $RCMAIL->output->get_skin_path(),
+            "googie.decorateTextarea('%s');\n",
+            $RCMAIL->output->asset_url($RCMAIL->output->get_skin_path()),
             $RCMAIL->url(array('_task' => 'utils', '_action' => 'spell', '_remote' => 1)),
                 !empty($dictionary) ? 'true' : 'false',
             rcube::JQ(rcube::Q($RCMAIL->gettext('checkspelling'))),
@@ -970,14 +1007,13 @@
             rcube::JQ(rcube::Q($RCMAIL->gettext('addtodict'))),
             rcube_output::json_serialize($spellcheck_langs),
             $lang,
-            $attrib['id'],
-            rcmail_output::JS_OBJECT_NAME), 'foot');
+            $attrib['id']), 'foot');
 
         $OUTPUT->add_label('checking');
         $OUTPUT->set_env('spellcheck_langs', join(',', $editor_lang_set));
     }
 
-    $out .= "\n".'<iframe name="savetarget" src="program/resources/blank.gif" style="width:0;height:0;border:none;visibility:hidden;"></iframe>';
+    $out .= "\n".'<iframe name="savetarget" src="program/resources/blank.gif" style="width:0;height:0;border:none;visibility:hidden;" aria-hidden="true"></iframe>';
 
     return $out;
 }
@@ -987,15 +1023,8 @@
 {
     global $RCMAIL, $MESSAGE, $LINE_LENGTH;
 
-    // build reply prefix
-    $from = array_pop(rcube_mime::decode_address_list($MESSAGE->get_header('from'), 1, false, $MESSAGE->headers->charset));
-    $prefix = $RCMAIL->gettext(array(
-        'name' => 'mailreplyintro',
-        'vars' => array(
-            'date'   => $RCMAIL->format_date($MESSAGE->headers->date, $RCMAIL->config->get('date_long')),
-            'sender' => $from['name'] ? $from['name'] : rcube_utils::idn_to_utf8($from['mailto']),
-        )
-    ));
+    $prefix = rcmail_get_reply_header($MESSAGE);
+    $reply_mode = intval($RCMAIL->config->get('reply_mode'));
 
     if (!$bodyIsHtml) {
         $body = preg_replace('/\r?\n/', "\n", $body);
@@ -1005,10 +1034,13 @@
         $body = rcmail_wrap_and_quote($body, $LINE_LENGTH);
 
         $prefix .= "\n";
-        $suffix = '';
 
-        if (intval($RCMAIL->config->get('reply_mode')) > 0) { // top-posting
+        if ($reply_mode > 0) { // top-posting
             $prefix = "\n\n\n" . $prefix;
+            $suffix = '';
+        }
+        else {
+            $suffix = "\n";
         }
     }
     else {
@@ -1023,7 +1055,7 @@
         $prefix = '<p>' . rcube::Q($prefix) . "</p>\n";
         $prefix .= '<blockquote>';
 
-        if (intval($RCMAIL->config->get('reply_mode')) > 0) { // top-posting
+        if ($reply_mode > 0) { // top-posting
             $prefix = '<br>' . $prefix;
             $suffix = '</blockquote>';
         }
@@ -1035,6 +1067,19 @@
     return $prefix . $body . $suffix;
 }
 
+function rcmail_get_reply_header($message)
+{
+    global $RCMAIL;
+
+    $from = array_pop(rcube_mime::decode_address_list($message->get_header('from'), 1, false, $message->headers->charset));
+    return $RCMAIL->gettext(array(
+        'name' => 'mailreplyintro',
+        'vars' => array(
+            'date'   => $RCMAIL->format_date($message->headers->date, $RCMAIL->config->get('date_long')),
+            'sender' => $from['name'] ?: rcube_utils::idn_to_utf8($from['mailto']),
+        )
+    ));
+}
 
 function rcmail_create_forward_body($body, $bodyIsHtml)
 {
@@ -1162,6 +1207,10 @@
     $cid_map  = array();
     $messages = array();
 
+    if ($message->pgp_mime) {
+        return $cid_map;
+    }
+
     foreach ((array)$message->mime_parts as $pid => $part) {
         if ($part->disposition == 'attachment' || ($part->disposition == 'inline' && $bodyIsHtml) || $part->filename) {
             // skip parts that aren't valid attachments
@@ -1228,6 +1277,11 @@
     global $RCMAIL, $COMPOSE;
 
     $cid_map = array();
+
+    if ($message->pgp_mime) {
+        return $cid_map;
+    }
+
     foreach ((array)$message->mime_parts as $pid => $part) {
         if (($part->content_id || $part->content_location) && $part->filename) {
             if ($attachment = rcmail_save_attachment($message, $pid)) {
@@ -1254,6 +1308,10 @@
     $storage = $RCMAIL->get_storage();
     $names   = array();
     $refs    = array();
+
+    if ($MESSAGE->pgp_mime) {
+        return;
+    }
 
     $loaded_attachments = array();
     foreach ((array)$COMPOSE['attachments'] as $attachment) {
@@ -1315,7 +1373,6 @@
         }
         else {
             $data = $storage->get_raw_body($message->uid);
-            $curr_mem += $message->size;
         }
 
         $attachment = array(
@@ -1366,7 +1423,7 @@
         $path     = tempnam($temp_dir, 'rcmAttmnt');
 
         if ($fp = fopen($path, 'w')) {
-            $message->get_part_content($pid, $fp, true, 0, false);
+            $message->get_part_body($pid, false, 0, $fp);
             fclose($fp);
         }
         else {
@@ -1374,7 +1431,7 @@
         }
     }
     else {
-        $data = $message->get_part_content($pid, null, true, 0, false);
+        $data = $message->get_part_body($pid);
     }
 
     $mimetype = $part->ctype_primary . '/' . $part->ctype_secondary;
@@ -1388,6 +1445,7 @@
         'data'       => $data,
         'path'       => $path,
         'size'       => $path ? filesize($path) : strlen($data),
+        'charset'    => $part->charset,
     );
 
     $attachment = $rcmail->plugins->exec_hook('attachment_save', $attachment);
@@ -1403,18 +1461,31 @@
     return false;
 }
 
-function rcmail_save_image($path, $mimetype='')
+function rcmail_save_image($path, $mimetype = '', $data = null)
 {
     global $COMPOSE;
 
     // handle attachments in memory
-    $data = file_get_contents($path);
+    if (empty($data)) {
+        $data    = file_get_contents($path);
+        $is_file = true;
+    }
+
     $name = rcmail_basename($path);
+
+    if (empty($mimetype)) {
+        if ($is_file) {
+            $mimetype = rcube_mime::file_content_type($path, $name);
+        }
+        else {
+            $mimetype = rcube_mime::file_content_type($data, $name, 'application/octet-stream', true);
+        }
+    }
 
     $attachment = array(
         'group'    => $COMPOSE['id'],
         'name'     => $name,
-        'mimetype' => $mimetype ? $mimetype : rcube_mime::file_content_type($path, $name),
+        'mimetype' => $mimetype,
         'data'     => $data,
         'size'     => strlen($data),
     );
@@ -1457,12 +1528,18 @@
     if (isset($_POST['_subject'])) {
         $subject = rcube_utils::get_input_value('_subject', rcube_utils::INPUT_POST, TRUE);
     }
+    else if (!empty($COMPOSE['param']['subject'])) {
+        $subject = $COMPOSE['param']['subject'];
+    }
     // create a reply-subject
     else if ($compose_mode == RCUBE_COMPOSE_REPLY) {
         if (preg_match('/^re:/i', $MESSAGE->subject))
             $subject = $MESSAGE->subject;
         else
             $subject = 'Re: '.$MESSAGE->subject;
+
+        // replace (was: ...) (#1489375)
+        $subject = preg_replace('/\s*\([wW]as:[^\)]+\)\s*$/', '', $subject);
     }
     // create a forward-subject
     else if ($compose_mode == RCUBE_COMPOSE_FORWARD) {
@@ -1474,9 +1551,6 @@
     // creeate a draft-subject
     else if ($compose_mode == RCUBE_COMPOSE_DRAFT || $compose_mode == RCUBE_COMPOSE_EDIT) {
         $subject = $MESSAGE->subject;
-    }
-    else if (!empty($COMPOSE['param']['subject'])) {
-        $subject = $COMPOSE['param']['subject'];
     }
 
     $out = $form_start ? "$form_start\n" : '';
@@ -1495,15 +1569,14 @@
     if (!$attrib['id'])
         $attrib['id'] = 'rcmAttachmentList';
 
-    $out       = "\n";
-    $jslist    = array();
-    $button    = '';
-    $skin_path = $RCMAIL->config->get('skin_path');
+    $out    = "\n";
+    $jslist = array();
+    $button = '';
 
     if (is_array($COMPOSE['attachments'])) {
         if ($attrib['deleteicon']) {
             $button = html::img(array(
-                'src' => $skin_path . $attrib['deleteicon'],
+                'src' => $RCMAIL->output->abs_url($attrib['deleteicon'], true),
                 'alt' => $RCMAIL->gettext('delete')
             ));
         }
@@ -1525,7 +1598,9 @@
                         'href'    => "#delete",
                         'title'   => $RCMAIL->gettext('delete'),
                         'onclick' => sprintf("return %s.command('remove-attachment','rcmfile%s', this)", rcmail_output::JS_OBJECT_NAME, $id),
-                        'class'   => 'delete'
+                        'class'   => 'delete',
+                        'tabindex' => $attrib['tabindex'] ?: '0',
+                        'aria-label'   => $RCMAIL->gettext('delete') . ' ' . $a_prop['name'],
                     ),
                     $button
                 ) . rcube::Q($a_prop['name'])
@@ -1540,16 +1615,22 @@
     }
 
     if ($attrib['deleteicon'])
-        $COMPOSE['deleteicon'] = $skin_path . $attrib['deleteicon'];
+        $COMPOSE['deleteicon'] = $RCMAIL->output->abs_url($attrib['deleteicon'], true);
     else if (rcube_utils::get_boolean($attrib['textbuttons']))
         $COMPOSE['textbuttons'] = true;
     if ($attrib['cancelicon'])
-        $OUTPUT->set_env('cancelicon', $skin_path . $attrib['cancelicon']);
+        $OUTPUT->set_env('cancelicon', $RCMAIL->output->abs_url($attrib['cancelicon'], true));
     if ($attrib['loadingicon'])
-        $OUTPUT->set_env('loadingicon', $skin_path . $attrib['loadingicon']);
+        $OUTPUT->set_env('loadingicon', $RCMAIL->output->abs_url($attrib['loadingicon'], true));
 
     $OUTPUT->set_env('attachments', $jslist);
     $OUTPUT->add_gui_object('attachmentlist', $attrib['id']);
+
+    // put tabindex value into data-tabindex attribute
+    if (isset($attrib['tabindex'])) {
+        $attrib['data-tabindex'] = $attrib['tabindex'];
+        unset($attrib['tabindex']);
+    }
 
     return html::tag('ul', $attrib, $out, html::$common_attrib);
 }
@@ -1636,7 +1717,7 @@
 }
 
 
-function rcmail_receipt_checkbox($attrib)
+function rcmail_mdn_checkbox($attrib)
 {
     global $RCMAIL, $MESSAGE, $compose_mode;
 
@@ -1646,13 +1727,13 @@
     if (!isset($attrib['id']))
         $attrib['id'] = 'receipt';
 
-    $attrib['name']  = '_receipt';
+    $attrib['name']  = '_mdn';
     $attrib['value'] = '1';
 
     $checkbox = new html_checkbox($attrib);
 
-    if (isset($_POST['_receipt']))
-        $mdn_default = $_POST['_receipt'];
+    if (isset($_POST['_mdn']))
+        $mdn_default = $_POST['_mdn'];
     else if (in_array($compose_mode, array(RCUBE_COMPOSE_DRAFT, RCUBE_COMPOSE_EDIT)))
         $mdn_default = (bool) $MESSAGE->headers->mdn_to;
     else
@@ -1707,7 +1788,7 @@
     if (empty($attrib['name']))
         $attrib['name'] = 'editorSelect';
 
-    $attrib['onchange'] = "return rcmail_toggle_editor(this, '".$attrib['editorid']."', '_is_html')";
+    $attrib['onchange'] = "return rcmail.command('toggle-editor', {id: '".$attrib['editorid']."', html: this.value == 'html'}, '', event)";
 
     $select = new html_select($attrib);
 
@@ -1864,9 +1945,10 @@
     foreach ($RCMAIL->get_compose_responses(true) as $response) {
         $key = $response['key'];
         $item = html::a(array(
-            'href '=> '#'.urlencode($response['name']),
+            'href' => '#'.urlencode($response['name']),
             'class' => rtrim('insertresponse ' . $attrib['itemclass']),
             'unselectable' => 'on',
+            'tabindex' => '0',
             'rel' => $key,
         ), rcube::Q($response['name']));
 

--
Gitblit v1.9.1