From 77b5d7ee304a688a2eb115ce04b460b43c0dd700 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Sun, 22 May 2016 08:43:54 -0400
Subject: [PATCH] Fix priority icon(s) position

---
 program/js/app.js |  634 ++++++++++++++++++++++++++++++++++++++++++---------------
 1 files changed, 462 insertions(+), 172 deletions(-)

diff --git a/program/js/app.js b/program/js/app.js
index 09baeab..7dbe3b7 100644
--- a/program/js/app.js
+++ b/program/js/app.js
@@ -6,8 +6,8 @@
  * @licstart  The following is the entire license notice for the
  * JavaScript code in this file.
  *
- * Copyright (C) 2005-2014, The Roundcube Dev Team
- * Copyright (C) 2011-2014, Kolab Systems AG
+ * Copyright (C) 2005-2015, The Roundcube Dev Team
+ * Copyright (C) 2011-2015, Kolab Systems AG
  *
  * The JavaScript code in this page is free software: you can
  * redistribute it and/or modify it under the terms of the GNU
@@ -77,7 +77,7 @@
   });
 
   // unload fix
-  $(window).bind('beforeunload', function() { ref.unload = true; });
+  $(window).on('beforeunload', function() { ref.unload = true; });
 
   // set environment variable(s)
   this.set_env = function(p, value)
@@ -156,8 +156,8 @@
     var n;
     this.task = this.env.task;
 
-    // check browser
-    if (this.env.server_error != 409 && (!bw.dom || !bw.xmlhttp_test() || (bw.mz && bw.vendver < 1.9) || (bw.ie && bw.vendver < 7))) {
+    // check browser capabilities (never use version checks here)
+    if (this.env.server_error != 409 && (!bw.dom || !bw.xmlhttp_test())) {
       this.goto_url('error', '_code=0x199');
       return;
     }
@@ -274,12 +274,29 @@
             this.enable_command('compose', 'add-contact', false);
             parent.rcmail.show_contentframe(true);
           }
+
+          // initialize drag-n-drop on attachments, so they can e.g.
+          // be dropped into mail compose attachments in another window
+          if (this.gui_objects.attachments)
+            $('li > a', this.gui_objects.attachments).not('.drop').on('dragstart', function(e) {
+              var n, href = this.href, dt = e.originalEvent.dataTransfer;
+              if (dt) {
+                // inject username to the uri
+                href = href.replace(/^https?:\/\//, function(m) { return m + urlencode(ref.env.username) + '@'});
+                // cleanup the node to get filename without the size test
+                n = $(this).clone();
+                n.children().remove();
+
+                dt.setData('roundcube-uri', href);
+                dt.setData('roundcube-name', $.trim(n.text()));
+              }
+            });
         }
         else if (this.env.action == 'compose') {
           this.env.address_group_stack = [];
           this.env.compose_commands = ['send-attachment', 'remove-attachment', 'send', 'cancel',
-            'toggle-editor', 'list-adresses', 'pushgroup', 'search', 'reset-search', 'extwin',
-            'insert-response', 'save-response', 'menu-open', 'menu-close', 'compose-encrypted'];
+            'toggle-editor', 'list-addresses', 'pushgroup', 'search', 'reset-search', 'extwin',
+            'insert-response', 'save-response', 'menu-open', 'menu-close'];
 
           if (this.env.drafts_mailbox)
             this.env.compose_commands.push('savedraft')
@@ -304,8 +321,8 @@
           if (this.gui_objects.responseslist) {
             $('a.insertresponse', this.gui_objects.responseslist)
               .attr('unselectable', 'on')
-              .mousedown(function(e){ return rcube_event.cancel(e); })
-              .bind('mouseup keypress', function(e){
+              .mousedown(function(e) { return rcube_event.cancel(e); })
+              .on('mouseup keypress', function(e) {
                 if (e.type == 'mouseup' || rcube_event.get_keycode(e) == 13) {
                   ref.command('insert-response', $(this).attr('rel'));
                   $(document.body).trigger('mouseup');  // hides the menu
@@ -325,7 +342,9 @@
         else if (this.env.action == 'get')
           this.enable_command('download', 'print', true);
         // show printing dialog
-        else if (this.env.action == 'print' && this.env.uid) {
+        else if (this.env.action == 'print' && this.env.uid
+          && !this.env.is_pgp_content && !this.env.pgp_mime_part
+        ) {
           this.print_dialog();
         }
 
@@ -333,7 +352,7 @@
         if (this.gui_objects.mailboxlist) {
           this.env.unread_counts = {};
           this.gui_objects.folderlist = this.gui_objects.mailboxlist;
-          this.http_request('getunread');
+          this.http_request('getunread', {_page: this.env.current_page});
         }
 
         // init address book widget
@@ -362,7 +381,7 @@
 
         if (this.gui_objects.addressbookslist) {
           this.gui_objects.folderlist = this.gui_objects.addressbookslist;
-          this.enable_command('list-adresses', true);
+          this.enable_command('list-addresses', true);
         }
 
         // ask user to send MDN
@@ -512,8 +531,11 @@
         break;
 
       case 'login':
-        var input_user = $('#rcmloginuser');
-        input_user.bind('keyup', function(e){ return ref.login_user_keyup(e); });
+        var tz, tz_name, jstz = window.jstz,
+            input_user = $('#rcmloginuser'),
+            input_tz = $('#rcmlogintz');
+
+        input_user.keyup(function(e) { return ref.login_user_keyup(e); });
 
         if (input_user.val() == '')
           input_user.focus();
@@ -521,14 +543,10 @@
           $('#rcmloginpwd').focus();
 
         // detect client timezone
-        if (window.jstz) {
-          var timezone = jstz.determine();
-          if (timezone.name())
-            $('#rcmlogintz').val(timezone.name());
-        }
-        else {
-          $('#rcmlogintz').val(new Date().getStdTimezoneOffset() / -60);
-        }
+        if (jstz && (tz = jstz.determine()))
+          tz_name = tz.name();
+
+        input_tz.val(tz_name ? tz_name : (new Date().getStdTimezoneOffset() / -60));
 
         // display 'loading' message on form submit, lock submit button
         $('form').submit(function () {
@@ -563,7 +581,12 @@
       this.display_message.apply(this, this.pending_message);
 
     // init treelist widget
-    if (this.gui_objects.folderlist && window.rcube_treelist_widget) {
+    if (this.gui_objects.folderlist && window.rcube_treelist_widget
+      // some plugins may load rcube_treelist_widget and there's one case
+      // when this will cause problems - addressbook widget in compose,
+      // which already has been initialized using rcube_list_widget
+      && this.gui_objects.folderlist != this.gui_objects.addressbookslist
+    ) {
       this.treelist = new rcube_treelist_widget(this.gui_objects.folderlist, {
           selectable: true,
           id_prefix: 'rcmli',
@@ -582,19 +605,19 @@
 
     // activate html5 file drop feature (if browser supports it and if configured)
     if (this.gui_objects.filedrop && this.env.filedrop && ((window.XMLHttpRequest && XMLHttpRequest.prototype && XMLHttpRequest.prototype.sendAsBinary) || window.FormData)) {
-      $(document.body).bind('dragover dragleave drop', function(e){ return ref.document_drag_hover(e, e.type == 'dragover'); });
+      $(document.body).on('dragover dragleave drop', function(e) { return ref.document_drag_hover(e, e.type == 'dragover'); });
       $(this.gui_objects.filedrop).addClass('droptarget')
-        .bind('dragover dragleave', function(e){ return ref.file_drag_hover(e, e.type == 'dragover'); })
-        .get(0).addEventListener('drop', function(e){ return ref.file_dropped(e); }, false);
+        .on('dragover dragleave', function(e) { return ref.file_drag_hover(e, e.type == 'dragover'); })
+        .get(0).addEventListener('drop', function(e) { return ref.file_dropped(e); }, false);
     }
 
     // catch document (and iframe) mouse clicks
     var body_mouseup = function(e){ return ref.doc_mouse_up(e); };
     $(document.body)
-      .bind('mouseup', body_mouseup)
-      .bind('keydown', function(e){ return ref.doc_keypress(e); });
+      .mouseup(body_mouseup)
+      .keydown(function(e){ return ref.doc_keypress(e); });
 
-    $('iframe').load(function(e) {
+    $('iframe').on('load', function(e) {
         try { $(this.contentDocument || this.contentWindow).on('mouseup', body_mouseup);  }
         catch (e) {/* catch possible "Permission denied" error in IE */ }
       })
@@ -655,7 +678,9 @@
     }
 
     // check input before leaving compose step
-    if (this.task == 'mail' && this.env.action == 'compose' && $.inArray(command, this.env.compose_commands) < 0 && !this.env.server_error) {
+    if (this.task == 'mail' && this.env.action == 'compose' && !this.env.server_error && command != 'save-pref'
+      && $.inArray(command, this.env.compose_commands) < 0
+    ) {
       if (!this.env.is_sent && this.cmp_hash != this.compose_field_hash() && !confirm(this.get_label('notsentwarning')))
         return false;
 
@@ -764,7 +789,7 @@
 
       case 'open':
         if (uid = this.get_single_uid()) {
-          obj.href = this.url('show', {_mbox: this.get_message_mailbox(uid), _uid: uid});
+          obj.href = this.url('show', this.params_from_uid(uid));
           return true;
         }
         break;
@@ -999,7 +1024,7 @@
             break;
         }
 
-        this.goto_url('get', qstring+'&_download=1', false);
+        this.goto_url('get', qstring+'&_download=1', false, true);
         break;
 
       case 'select-all':
@@ -1141,7 +1166,7 @@
         this.change_identity($("[name='_from']")[0], true);
         break;
 
-      case 'list-adresses':
+      case 'list-addresses':
         this.list_contacts(props);
         this.enable_command('add-recipient', false);
         break;
@@ -1190,8 +1215,8 @@
           this.gui_objects.messagepartframe.contentWindow.print();
         }
         else if (uid = this.get_single_uid()) {
-          url = '&_action=print&_uid='+uid+'&_mbox='+urlencode(this.get_message_mailbox(uid))+(this.env.safemode ? '&_safe=1' : '');
-          if (this.open_window(this.env.comm_path + url, true, true)) {
+          url = this.url('print', this.params_from_uid(uid, {_safe: this.env.safemode ? 1 : 0}));
+          if (this.open_window(url, true, true)) {
             if (this.env.action != 'show')
               this.mark_message('read', uid);
           }
@@ -1200,15 +1225,15 @@
 
       case 'viewsource':
         if (uid = this.get_single_uid())
-          this.open_window(this.env.comm_path+'&_action=viewsource&_uid='+uid+'&_mbox='+urlencode(this.env.mailbox), true, true);
+          this.open_window(this.url('viewsource', this.params_from_uid(uid)), true, true);
         break;
 
       case 'download':
         if (this.env.action == 'get') {
-          location.href = location.href.replace(/_frame=/, '_download=');
+          location.href = this.secure_url(location.href.replace(/_frame=/, '_download='));
         }
         else if (uid = this.get_single_uid()) {
-          this.goto_url('viewsource', { _uid: uid, _mbox: this.get_message_mailbox(uid), _save: 1 });
+          this.goto_url('viewsource', this.params_from_uid(uid, {_save: 1}), false, true);
         }
         break;
 
@@ -1270,7 +1295,7 @@
 
         $('input[name="_unlock"]', form).val(importlock);
 
-        if (!(flag = this.upload_file(form, 'import'))) {
+        if (!(flag = this.upload_file(form, 'import', importlock))) {
           this.set_busy(false, null, importlock);
           if (flag !== false)
             alert(this.get_label('selectimportfile'));
@@ -1296,13 +1321,13 @@
 
       case 'export':
         if (this.contact_list.rowcount > 0) {
-          this.goto_url('export', { _source: this.env.source, _gid: this.env.group, _search: this.env.search_request });
+          this.goto_url('export', { _source: this.env.source, _gid: this.env.group, _search: this.env.search_request }, false, true);
         }
         break;
 
       case 'export-selected':
         if (this.contact_list.rowcount > 0) {
-          this.goto_url('export', { _source: this.env.source, _gid: this.env.group, _cid: this.contact_list.get_selection().join(',') });
+          this.goto_url('export', { _source: this.env.source, _gid: this.env.group, _cid: this.contact_list.get_selection().join(',') }, false, true);
         }
         break;
 
@@ -1337,7 +1362,7 @@
 
     if (!aborted && this.triggerEvent('after'+command, props) === false)
       ret = false;
-    this.triggerEvent('actionafter', { props:props, action:command, aborted:aborted });
+    this.triggerEvent('actionafter', { props:props, action:command, aborted:aborted, ret:ret });
 
     return ret === false ? false : obj ? false : true;
   };
@@ -1417,7 +1442,7 @@
     if (task == 'mail')
       url += '&_mbox=INBOX';
     else if (task == 'logout' && !this.env.server_error) {
-      url += '&_token=' + this.env.request_token;
+      url = this.secure_url(url);
       this.clear_compose_data();
     }
 
@@ -1465,6 +1490,12 @@
 
     return url + '?' + name + '=' + value;
   };
+
+  // append CSRF protection token to the given url
+  this.secure_url = function(url)
+  {
+    return this.add_url(url, '_token', this.env.request_token);
+  },
 
   this.is_framed = function()
   {
@@ -1617,8 +1648,8 @@
 
       // select the folder if one of its childs is currently selected
       // don't select if it's virtual (#1488346)
-      if (!node.virtual && this.env.mailbox && this.env.mailbox.startsWith(name + this.env.delimiter))
-        this.command('list', name);
+      if (!node.virtual && this.env.mailbox && this.env.mailbox.startsWith(node.id + this.env.delimiter))
+        this.command('list', node.id);
     }
     else {
       var reg = new RegExp('&'+urlencode(node.id)+'&');
@@ -2175,10 +2206,16 @@
 
   this.set_list_sorting = function(sort_col, sort_order)
   {
+    var sort_old = this.env.sort_col == 'arrival' ? 'date' : this.env.sort_col,
+      sort_new = sort_col == 'arrival' ? 'date' : sort_col;
+
     // set table header class
-    $('#rcm'+this.env.sort_col).removeClass('sorted'+(this.env.sort_order.toUpperCase()));
-    if (sort_col)
-      $('#rcm'+sort_col).addClass('sorted'+sort_order);
+    $('#rcm' + sort_old).removeClass('sorted' + this.env.sort_order.toUpperCase());
+    if (sort_new)
+      $('#rcm' + sort_new).addClass('sorted' + sort_order);
+
+    // if sorting by 'arrival' is selected, click on date column should not switch to 'date'
+    $('#rcmdate > a').prop('rel', sort_col == 'arrival' ? 'arrival' : 'date');
 
     this.env.sort_col = sort_col;
     this.env.sort_order = sort_order;
@@ -2235,35 +2272,33 @@
       return;
 
     var win, target = window,
-      action = preview ? 'preview': 'show',
-      url = '&_action='+action+'&_uid='+id+'&_mbox='+urlencode(this.get_message_mailbox(id));
+      url = this.params_from_uid(id, {_caps: this.browser_capabilities()});
 
     if (preview && (win = this.get_frame_window(this.env.contentframe))) {
       target = win;
-      url += '&_framed=1';
+      url._framed = 1;
     }
 
     if (safe)
-      url += '&_safe=1';
+      url._safe = 1;
 
     // also send search request to get the right messages
     if (this.env.search_request)
-      url += '&_search='+this.env.search_request;
-
-    // add browser capabilities, so we can properly handle attachments
-    url += '&_caps='+urlencode(this.browser_capabilities());
+      url._search = this.env.search_request;
 
     if (this.env.extwin)
-      url += '&_extwin=1';
+      url._extwin = 1;
+
+    url = this.url(preview ? 'preview': 'show', url);
 
     if (preview && String(target.location.href).indexOf(url) >= 0) {
       this.show_contentframe(true);
     }
     else {
       if (!preview && this.env.message_extwin && !this.env.extwin)
-        this.open_window(this.env.comm_path+url, true);
+        this.open_window(url, true);
       else
-        this.location_href(this.env.comm_path+url, target, true);
+        this.location_href(url, target, true);
 
       // mark as read and change mbox unread counter
       if (preview && this.message_list && this.message_list.rows[id] && this.message_list.rows[id].unread && this.env.preview_pane_mark_read > 0) {
@@ -2490,22 +2525,23 @@
   // removes messages that doesn't exists from list selection array
   this.update_selection = function()
   {
-    var selected = this.message_list.selection,
-      rows = this.message_list.rows,
+    var list = this.message_list,
+      selected = list.selection,
+      rows = list.rows,
       i, selection = [];
 
     for (i in selected)
       if (rows[selected[i]])
         selection.push(selected[i]);
 
-    this.message_list.selection = selection;
+    list.selection = selection;
 
     // reset preview frame, if currently previewed message is not selected (has been removed)
     try {
       var win = this.get_frame_window(this.env.contentframe),
         id = win.rcmail.env.uid;
 
-      if (id && $.inArray(id, selection) < 0)
+      if (id && !list.in_selection(id))
         this.show_contentframe(false);
     }
     catch (e) {};
@@ -2721,8 +2757,9 @@
             $('#'+r.id+' .leaf:first')
               .attr('id', 'rcmexpando' + r.id)
               .attr('class', (r.obj.style.display != 'none' ? 'expanded' : 'collapsed'))
-              .bind('mousedown', {uid: r.uid},
-                function(e) { return ref.expand_message_row(e, e.data.uid); });
+              .mousedown({uid: r.uid}, function(e) {
+                return ref.expand_message_row(e, e.data.uid);
+              });
 
             r.unread_children = 0;
             roots.push(r);
@@ -3356,39 +3393,42 @@
     }
   };
 
-  // 
+  // Load Mailvelope functionality (and initialize keyring if needed)
   this.mailvelope_load = function(action)
   {
     if (this.env.browser_capabilities)
       this.env.browser_capabilities['pgpmime'] = 1;
 
-    var keyring = this.get_local_storage_prefix();
+    var keyring = this.env.user_id;
 
     mailvelope.getKeyring(keyring).then(function(kr) {
       ref.mailvelope_keyring = kr;
       ref.mailvelope_init(action, kr);
-    }).catch(function(err) {
+    }, function(err) {
       // attempt to create a new keyring for this app/user
       mailvelope.createKeyring(keyring).then(function(kr) {
         ref.mailvelope_keyring = kr;
         ref.mailvelope_init(action, kr);
-      }).catch(function(err) {
+      }, function(err) {
         console.error(err);
       });
     });
   };
 
-  // 
+  // Initializes Mailvelope editor or display container
   this.mailvelope_init = function(action, keyring)
   {
-    if (action == 'show' || action == 'preview') {
+    if (!window.mailvelope)
+      return;
+
+    if (action == 'show' || action == 'preview' || action == 'print') {
       // decrypt text body
-      if (this.env.is_pgp_content && window.mailvelope) {
+      if (this.env.is_pgp_content) {
         var data = $(this.env.is_pgp_content).text();
         ref.mailvelope_display_container(this.env.is_pgp_content, data, keyring);
       }
       // load pgp/mime message and pass it to the mailvelope display container
-      else if (this.env.pgp_mime_part && window.mailvelope) {
+      else if (this.env.pgp_mime_part) {
         var msgid = this.display_message(this.get_label('loadingdata'), 'loading'),
           selector = this.env.pgp_mime_container;
 
@@ -3404,19 +3444,30 @@
         });
       }
     }
-    else if (action == 'compose' && window.mailvelope) {
+    else if (action == 'compose') {
+      this.env.compose_commands.push('compose-encrypted');
+
+      var is_html = $('input[name="_is_html"]').val() > 0;
+
       if (this.env.pgp_mime_message) {
         // fetch PGP/Mime part and open load into Mailvelope editor
         var lock = this.set_busy(true, this.get_label('loadingdata'));
+
         $.ajax({
           type: 'GET',
           url: this.url('get', this.env.pgp_mime_message),
           error: function(o, status, err) {
             ref.http_error(o, status, err, lock);
-            ref.enable_command('compose-encrypted', true);
+            ref.enable_command('compose-encrypted', !is_html);
           },
           success: function(data) {
             ref.set_busy(false, null, lock);
+
+            if (is_html) {
+              ref.command('toggle-editor', {html: false, noconvert: true});
+              $('#' + ref.env.composebody).val('');
+            }
+
             ref.compose_encrypted({ quotedMail: data });
             ref.enable_command('compose-encrypted', true);
           }
@@ -3424,15 +3475,21 @@
       }
       else {
         // enable encrypted compose toggle
-        this.enable_command('compose-encrypted', true);
+        this.enable_command('compose-encrypted', !is_html);
       }
+
+      // make sure to disable encryption button after toggling editor into HTML mode
+      this.addEventListener('actionafter', function(args) {
+        if (args.ret && args.action == 'toggle-editor')
+          ref.enable_command('compose-encrypted', !args.props.html);
+      });
     }
   };
 
   // handler for the 'compose-encrypted' command
   this.compose_encrypted = function(props)
   {
-    var container = $('#' + this.env.composebody).parent();
+    var options, container = $('#' + this.env.composebody).parent();
 
     // remove Mailvelope editor if active
     if (ref.mailvelope_editor) {
@@ -3444,13 +3501,23 @@
         .find('iframe:not([aria-hidden=true])').remove();
       $('#' + ref.env.composebody).show();
       $("[name='_pgpmime']").remove();
+
+      // disable commands that operate on the compose body
+      ref.enable_command('spellcheck', 'insert-sig', 'toggle-editor', 'insert-response', 'save-response', true);
+      ref.triggerEvent('compose-encrypted', { active:false });
     }
     // embed Mailvelope editor container
     else {
-      var options = { predefinedText: $('#' + this.env.composebody).val() };
+      if (this.spellcheck_state())
+        this.editor.spellcheck_stop();
+
       if (props.quotedMail) {
         options = { quotedMail: props.quotedMail, quotedMailIndent: false };
       }
+      else {
+        options = { predefinedText: $('#' + this.env.composebody).val() };
+      }
+
       if (this.env.compose_mode == 'reply') {
         options.quotedMailIndent = true;
         options.quotedMailHeader = this.env.compose_reply_header;
@@ -3464,6 +3531,10 @@
         container.addClass('mailvelope');
         $('#' + ref.env.composebody).hide();
 
+        // disable commands that operate on the compose body
+        ref.enable_command('spellcheck', 'insert-sig', 'toggle-editor', 'insert-response', 'save-response', false);
+        ref.triggerEvent('compose-encrypted', { active:true });
+
         // notify user about loosing attachments
         if (ref.env.attachments && !$.isEmptyObject(ref.env.attachments)) {
           alert(ref.get_label('encryptnoattachments'));
@@ -3472,8 +3543,9 @@
             ref.remove_from_attachment_list(name);
           });
         }
-      }).catch(function(err) {
+      }, function(err) {
         console.error(err);
+        console.log(options);
       });
     }
   };
@@ -3486,7 +3558,7 @@
     $.each(['to', 'cc', 'bcc'], function(i,field) {
       var pos, rcpt, val = $.trim($('[name="_' + field + '"]').val());
       while (val.length && rcube_check_email(val, true)) {
-        rcpt = RegExp.$2
+        rcpt = RegExp.$2;
         recipients.push(rcpt);
         val = val.substr(val.indexOf(rcpt) + rcpt.length + 1).replace(/^\s*,\s*/, '');
       }
@@ -3495,12 +3567,40 @@
     // check if we have keys for all recipients
     var isvalid = recipients.length > 0;
     ref.mailvelope_keyring.validKeyForAddress(recipients).then(function(status) {
+      var missing_keys = [];
       $.each(status, function(k,v) {
         if (v === false) {
           isvalid = false;
-          alert(ref.get_label('nopubkeyfor').replace('$email', k));
+          missing_keys.push(k);
         }
       });
+
+      // list recipients with missing keys
+      if (!isvalid && missing_keys.length) {
+        // display dialog with missing keys
+        ref.show_popup_dialog(
+          ref.get_label('nopubkeyfor').replace('$email', missing_keys.join(', ')) +
+          '<p>' + ref.get_label('searchpubkeyservers') + '</p>',
+          ref.get_label('encryptedsendialog'),
+          [{
+            text: ref.get_label('search'),
+            'class': 'mainaction',
+            click: function() {
+              var $dialog = $(this);
+              ref.mailvelope_search_pubkeys(missing_keys, function() {
+                $dialog.dialog('close')
+              });
+            }
+          },
+          {
+            text: ref.get_label('cancel'),
+            click: function(){
+              $(this).dialog('close');
+            }
+          }]
+        );
+        return false;
+      }
 
       if (!isvalid) {
         if (!recipients.length) {
@@ -3558,15 +3658,15 @@
 
           form.submit();
 
-        }).catch(function(err) {
+        }, function(err) {
           console.log(err);
         });  // mailvelope_editor.encrypt()
 
-      }).catch(function(err) {
+      }, function(err) {
         console.error(err);
       });  // mailvelope_keyring.validKeyForAddress(senders)
 
-    }).catch(function(err) {
+    }, function(err) {
       console.error(err);
     });  // mailvelope_keyring.validKeyForAddress(recipients)
 
@@ -3577,14 +3677,169 @@
   this.mailvelope_display_container = function(selector, data, keyring, msgid)
   {
     mailvelope.createDisplayContainer(selector, data, keyring, { showExternalContent: this.env.safemode }).then(function() {
-      $(selector).addClass('mailvelope').find('.message-part, .part-notice').hide();
+      $(selector).addClass('mailvelope').children().not('iframe').hide();
       ref.hide_message(msgid);
       setTimeout(function() { $(window).resize(); }, 10);
-    }).catch(function(err) {
+    }, function(err) {
       console.error(err);
       ref.hide_message(msgid);
       ref.display_message('Message decryption failed: ' + err.message, 'error')
     });
+  };
+
+  // subroutine to query keyservers for public keys
+  this.mailvelope_search_pubkeys = function(emails, resolve)
+  {
+    // query with publickey.js
+    var deferreds = [],
+      pk = new PublicKey(),
+      lock = ref.display_message(ref.get_label('loading'), 'loading');
+
+    $.each(emails, function(i, email) {
+      var d = $.Deferred();
+      pk.search(email, function(results, errorCode) {
+        if (errorCode !== null) {
+          // rejecting would make all fail
+          // d.reject(email);
+          d.resolve([email]);
+        }
+        else {
+          d.resolve([email].concat(results));
+        }
+      });
+      deferreds.push(d);
+    });
+
+    $.when.apply($, deferreds).then(function() {
+      var missing_keys = [],
+        key_selection = [];
+
+      // alanyze results of all queries
+      $.each(arguments, function(i, result) {
+        var email = result.shift();
+        if (!result.length) {
+          missing_keys.push(email);
+        }
+        else {
+          key_selection = key_selection.concat(result);
+        }
+      });
+
+      ref.hide_message(lock);
+      resolve(true);
+
+      // show key import dialog
+      if (key_selection.length) {
+        ref.mailvelope_key_import_dialog(key_selection);
+      }
+      // some keys could not be found
+      if (missing_keys.length) {
+        ref.display_message(ref.get_label('nopubkeyfor').replace('$email', missing_keys.join(', ')), 'warning');
+      }
+    }).fail(function() {
+      console.error('Pubkey lookup failed with', arguments);
+      ref.hide_message(lock);
+      ref.display_message('pubkeysearcherror', 'error');
+      resolve(false);
+    });
+  };
+
+  // list the given public keys in a dialog with options to import
+  // them into the local Maivelope keyring
+  this.mailvelope_key_import_dialog = function(candidates)
+  {
+    var ul = $('<div>').addClass('listing mailvelopekeyimport');
+    $.each(candidates, function(i, keyrec) {
+      var li = $('<div>').addClass('key');
+      if (keyrec.revoked)  li.addClass('revoked');
+      if (keyrec.disabled) li.addClass('disabled');
+      if (keyrec.expired)  li.addClass('expired');
+
+      li.append($('<label>').addClass('keyid').text(ref.get_label('keyid')));
+      li.append($('<a>').text(keyrec.keyid.substr(-8).toUpperCase())
+        .attr('href', keyrec.info)
+        .attr('target', '_blank')
+        .attr('tabindex', '-1'));
+
+      li.append($('<label>').addClass('keylen').text(ref.get_label('keylength')));
+      li.append($('<span>').text(keyrec.keylen));
+
+      if (keyrec.expirationdate) {
+        li.append($('<label>').addClass('keyexpired').text(ref.get_label('keyexpired')));
+        li.append($('<span>').text(new Date(keyrec.expirationdate * 1000).toDateString()));
+      }
+
+      if (keyrec.revoked) {
+        li.append($('<span>').addClass('keyrevoked').text(ref.get_label('keyrevoked')));
+      }
+
+      var ul_ = $('<ul>').addClass('uids');
+      $.each(keyrec.uids, function(j, uid) {
+        var li_ = $('<li>').addClass('uid');
+        if (uid.revoked)  li_.addClass('revoked');
+        if (uid.disabled) li_.addClass('disabled');
+        if (uid.expired)  li_.addClass('expired');
+
+        ul_.append(li_.text(uid.uid));
+      });
+
+      li.append(ul_);
+      li.append($('<input>')
+        .attr('type', 'button')
+        .attr('rel', keyrec.keyid)
+        .attr('value', ref.get_label('import'))
+        .addClass('button importkey')
+        .prop('disabled', keyrec.revoked || keyrec.disabled || keyrec.expired));
+
+      ul.append(li);
+    });
+
+    // display dialog with missing keys
+    ref.show_popup_dialog(
+      $('<div>')
+        .append($('<p>').html(ref.get_label('encryptpubkeysfound')))
+        .append(ul),
+      ref.get_label('importpubkeys'),
+      [{
+        text: ref.get_label('close'),
+        click: function(){
+          $(this).dialog('close');
+        }
+      }]
+    );
+
+    // delegate handler for import button clicks
+    ul.on('click', 'input.button.importkey', function() {
+      var btn = $(this),
+        keyid = btn.attr('rel'),
+        pk = new PublicKey(),
+        lock = ref.display_message(ref.get_label('loading'), 'loading');
+
+        // fetch from keyserver and import to Mailvelope keyring
+        pk.get(keyid, function(armored, errorCode) {
+          ref.hide_message(lock);
+
+          if (errorCode) {
+            ref.display_message(ref.get_label('keyservererror'), 'error');
+            return;
+          }
+
+          // import to keyring
+          ref.mailvelope_keyring.importPublicKey(armored).then(function(status) {
+            if (status === 'REJECTED') {
+              // alert(ref.get_label('Key import was rejected'));
+            }
+            else {
+              var $key = keyid.substr(-8).toUpperCase();
+              btn.closest('.key').fadeOut();
+              ref.display_message(ref.get_label('keyimportsuccess').replace('$key', $key), 'confirmation');
+            }
+          }, function(err) {
+            console.log(err);
+          });
+        });
+    });
+
   };
 
 
@@ -3716,7 +3971,7 @@
     }
 
     if (!html_mode) {
-      pos = this.env.top_posting ? 0 : input_message.value.length;
+      pos = this.env.top_posting && this.env.compose_mode ? 0 : input_message.value.length;
 
       // add signature according to selected identity
       // if we have HTML editor, signature is added in a callback
@@ -3933,7 +4188,7 @@
       var oldval = input.val(), rx = new RegExp(RegExp.escape(delim) + '\\s*$');
       if (oldval && !rx.test(oldval))
         oldval += delim + ' ';
-      input.val(oldval + recipients.join(delim + ' ') + delim + ' ');
+      input.val(oldval + recipients.join(delim + ' ') + delim + ' ').change();
       this.triggerEvent('add-recipient', { field:field, recipients:recipients });
     }
 
@@ -4066,7 +4321,7 @@
       '<textarea name="text" id="ffresponsetext" cols="40" rows="8"></textarea></div>' +
       '</form>';
 
-    buttons[this.gettext('save')] = function(e) {
+    buttons[this.get_label('save')] = function(e) {
       var name = $('#ffresponsename').val(),
         text = $('#ffresponsetext').val();
 
@@ -4082,11 +4337,11 @@
       $(this).dialog('close');
     };
 
-    buttons[this.gettext('cancel')] = function() {
+    buttons[this.get_label('cancel')] = function() {
       $(this).dialog('close');
     };
 
-    this.show_popup_dialog(html, this.gettext('newresponse'), buttons, {button_classes: ['mainaction']});
+    this.show_popup_dialog(html, this.get_label('newresponse'), buttons, {button_classes: ['mainaction']});
 
     $('#ffresponsetext').val(text);
     $('#ffresponsename').select();
@@ -4106,10 +4361,10 @@
         .attr('tabindex', '0')
         .html(this.quote_html(response.name))
         .appendTo(li)
-        .mousedown(function(e){
+        .mousedown(function(e) {
           return rcube_event.cancel(e);
         })
-        .bind('mouseup keypress', function(e){
+        .on('mouseup keypress', function(e) {
           if (e.type == 'mouseup' || rcube_event.get_keycode(e) == 13) {
             ref.command('insert-response', $(this).attr('rel'));
             $(document.body).trigger('mouseup');  // hides the menu
@@ -4207,7 +4462,7 @@
     if (!this.local_save_timer && window.localStorage && this.env.save_localstorage) {
       // track typing activity and only save on changes
       this.compose_type_activity = this.compose_type_activity_last = 0;
-      $(document).bind('keypress', function(e){ ref.compose_type_activity++; });
+      $(document).keypress(function(e) { ref.compose_type_activity++; });
 
       this.local_save_timer = setInterval(function(){
         if (ref.compose_type_activity > ref.compose_type_activity_last) {
@@ -4216,7 +4471,7 @@
         }
       }, 5000);
 
-      $(window).unload(function() {
+      $(window).on('unload', function() {
         // remove copy from local storage if compose screen is left after warning
         if (!ref.env.server_error)
           ref.remove_compose_data(ref.env.compose_id);
@@ -4436,7 +4691,7 @@
   };
 
   // upload (attachment) file
-  this.upload_file = function(form, action)
+  this.upload_file = function(form, action, lock)
   {
     if (!form)
       return;
@@ -4478,6 +4733,9 @@
           if (!content.match(/display_message/))
             ref.display_message(ref.get_label('fileuploaderror'), 'error');
           ref.remove_from_attachment_list(e.data.ts);
+
+          if (lock)
+            ref.set_busy(false, null, lock);
         }
         // Opera hack: handle double onload
         if (bw.opera)
@@ -4662,6 +4920,9 @@
     if (filter)
       url._filter = filter;
 
+    if (this.gui_objects.search_interval)
+      url._interval = $(this.gui_objects.search_interval).val();
+
     if (search) {
       url._q = search;
 
@@ -4698,6 +4959,9 @@
     if (this.gui_objects.qsearchbox)
       this.gui_objects.qsearchbox.value = '';
 
+    if (this.gui_objects.search_interval)
+      $(this.gui_objects.search_interval).val('');
+
     if (this.env.qsearch)
       this.abort_request(this.env.qsearch);
 
@@ -4723,6 +4987,20 @@
       if (!this.qsearch(this.gui_objects.qsearchbox.value) && this.env.search_filter && this.env.search_filter != 'ALL')
         this.filter_mailbox(this.env.search_filter);
       if (scope != 'all')
+        this.select_folder(this.env.mailbox, '', true);
+    }
+  };
+
+  this.set_searchinterval = function(interval)
+  {
+    var old = this.env.search_interval;
+    this.env.search_interval = interval;
+
+    // re-send search query with new interval
+    if (interval != old && this.env.search_request) {
+      if (!this.qsearch(this.gui_objects.qsearchbox.value) && this.env.search_filter && this.env.search_filter != 'ALL')
+        this.filter_mailbox(this.env.search_filter);
+      if (interval)
         this.select_folder(this.env.mailbox, '', true);
     }
   };
@@ -5299,7 +5577,7 @@
       // add link to pop back to parent group
       if (this.env.address_group_stack.length > 1) {
         $('<a href="#list">...</a>')
-          .attr('title', this.gettext('uponelevel'))
+          .attr('title', this.get_label('uponelevel'))
           .addClass('poplink')
           .appendTo(boxtitle)
           .click(function(e){ return ref.command('popgroup','',this); });
@@ -7405,7 +7683,7 @@
     if (show) {
       // truncate stack down to the one containing the ref link
       for (var i = this.menu_stack.length - 1; stack && i >= 0; i--) {
-        if (!$(ref).parents('#'+this.menu_stack[i]).length)
+        if (!$(ref).parents('#'+this.menu_stack[i]).length && $(event.target).parent().attr('role') != 'menuitem')
           this.hide_menu(this.menu_stack[i], event);
       }
       if (stack && this.menu_stack.length) {
@@ -7548,8 +7826,6 @@
     var url = '?_task=utils&_action=' + (format == 'html' ? 'html2text' : 'text2html'),
       lock = this.set_busy(true, 'converting');
 
-    this.log('HTTP POST: ' + url);
-
     $.ajax({ type: 'POST', url: url, data: text, contentType: 'application/octet-stream',
       error: function(o, status, err) { ref.http_error(o, status, err, lock); },
       success: function(data) {
@@ -7623,9 +7899,11 @@
     }
   };
 
-  this.goto_url = function(action, query, lock)
+  this.goto_url = function(action, query, lock, secure)
   {
-    this.redirect(this.url(action, query), lock);
+    var url = this.url(action, query)
+    if (secure) url = this.secure_url(url);
+    this.redirect(url, lock);
   };
 
   this.location_href = function(url, target, frame)
@@ -7654,8 +7932,11 @@
   };
 
   // send a http request to the server
-  this.http_request = function(action, data, lock)
+  this.http_request = function(action, data, lock, type)
   {
+    if (type != 'POST')
+      type = 'GET';
+
     if (typeof data !== 'object')
       data = rcube_parse_query(data);
 
@@ -7679,60 +7960,26 @@
       }
     }
 
-    var url = this.url(action, data);
-
-    // send request
-    this.log('HTTP GET: ' + url);
+    var url = this.url(action);
 
     // reset keep-alive interval
     this.start_keepalive();
 
+    // send request
     return $.ajax({
-      type: 'GET', url: url, dataType: 'json',
+      type: type, url: url, data: data, dataType: 'json',
       success: function(data) { ref.http_response(data); },
       error: function(o, status, err) { ref.http_error(o, status, err, lock, action); }
     });
   };
 
+  // send a http GET request to the server
+  this.http_get = this.http_request;
+
   // send a http POST request to the server
   this.http_post = function(action, data, lock)
   {
-    if (typeof data !== 'object')
-      data = rcube_parse_query(data);
-
-    data._remote = 1;
-    data._unlock = lock ? lock : 0;
-
-    // trigger plugin hook
-    var result = this.triggerEvent('request'+action, data);
-
-    // abort if one of the handlers returned false
-    if (result === false) {
-      if (data._unlock)
-        this.set_busy(false, null, data._unlock);
-      return false;
-    }
-    else if (result !== undefined) {
-      data = result;
-      if (data._action) {
-        action = data._action;
-        delete data._action;
-      }
-    }
-
-    var url = this.url(action);
-
-    // send request
-    this.log('HTTP POST: ' + url);
-
-    // reset keep-alive interval
-    this.start_keepalive();
-
-    return $.ajax({
-      type: 'POST', url: url, data: data, dataType: 'json',
-      success: function(data){ ref.http_response(data); },
-      error: function(o, status, err) { ref.http_error(o, status, err, lock, action); }
-    });
+    return this.http_request(action, data, lock, 'POST');
   };
 
   // aborts ajax request
@@ -7760,22 +8007,23 @@
     if (response.env)
       this.set_env(response.env);
 
+    var i;
+
     // we have labels to add
     if (typeof response.texts === 'object') {
-      for (var name in response.texts)
-        if (typeof response.texts[name] === 'string')
-          this.add_label(name, response.texts[name]);
+      for (i in response.texts)
+        if (typeof response.texts[i] === 'string')
+          this.add_label(i, response.texts[i]);
     }
 
     // if we get javascript code from server -> execute it
     if (response.exec) {
-      this.log(response.exec);
       eval(response.exec);
     }
 
     // execute callback functions of plugins
     if (response.callbacks && response.callbacks.length) {
-      for (var i=0; i < response.callbacks.length; i++)
+      for (i=0; i < response.callbacks.length; i++)
         this.triggerEvent(response.callbacks[i][0], response.callbacks[i][1]);
     }
 
@@ -7868,9 +8116,12 @@
               }
 
               this.enable_command('set-listmode', this.env.threads && !is_multifolder);
-              if (list.rowcount > 0)
+              if (list.rowcount > 0 && !$(document.activeElement).is('input,textarea'))
                 list.focus();
-              this.msglist_select(list);
+
+              // trigger 'select' so all dependent actions update its state
+              // e.g. plugins use this event to activate buttons (#1490647)
+              list.triggerEvent('select');
             }
 
             if (response.action != 'getunread')
@@ -7884,7 +8135,7 @@
             this.enable_command('search-create', this.env.source == '');
             this.enable_command('search-delete', this.env.search_id);
             this.update_group_commands();
-            if (this.contact_list.rowcount > 0)
+            if (this.contact_list.rowcount > 0 && !$(document.activeElement).is('input,textarea'))
               this.contact_list.focus();
             this.triggerEvent('listupdate', { folder:this.env.source, rowcount:this.contact_list.rowcount });
           }
@@ -8115,7 +8366,7 @@
     }
 
     // handle upload errors by parsing iframe content in onload
-    frame.bind('load', {ts:ts}, onload);
+    frame.on('load', {ts:ts}, onload);
 
     $(form).attr({
         target: frame_name,
@@ -8137,7 +8388,7 @@
   // html5 file-drop API
   this.document_drag_hover = function(e, over)
   {
-    e.preventDefault();
+    // don't e.preventDefault() here to not block text dragging on the page (#1490619)
     $(this.gui_objects.filedrop)[(over?'addClass':'removeClass')]('active');
   };
 
@@ -8156,21 +8407,39 @@
     this.file_drag_hover(e, false);
 
     // prepare multipart form data composition
-    var files = e.target.files || e.dataTransfer.files,
+    var uri, files = e.target.files || e.dataTransfer.files,
       formdata = window.FormData ? new FormData() : null,
       fieldname = (this.env.filedrop.fieldname || '_file') + (this.env.filedrop.single ? '' : '[]'),
       boundary = '------multipartformboundary' + (new Date).getTime(),
       dashdash = '--', crlf = '\r\n',
-      multipart = dashdash + boundary + crlf;
+      multipart = dashdash + boundary + crlf,
+      args = {_id: this.env.compose_id || this.env.cid || '', _remote: 1, _from: this.env.action};
 
-    if (!files || !files.length)
+    if (!files || !files.length) {
+      // Roundcube attachment, pass its uri to the backend and attach
+      if (uri = e.dataTransfer.getData('roundcube-uri')) {
+        var ts = new Date().getTime(),
+          // jQuery way to escape filename (#1490530)
+          content = $('<span>').text(e.dataTransfer.getData('roundcube-name') || this.get_label('attaching')).html();
+
+        args._uri = uri;
+        args._uploadid = ts;
+
+        // add to attachments list
+        if (!this.add2attachment_list(ts, {name: '', html: content, classname: 'uploading', complete: false}))
+          this.file_upload_id = this.set_busy(true, 'attaching');
+
+        this.http_post(this.env.filedrop.action || 'upload', args);
+      }
       return;
+    }
 
     // inline function to submit the files to the server
     var submit_data = function() {
       var multiple = files.length > 1,
         ts = new Date().getTime(),
-        content = '<span>' + (multiple ? ref.get_label('uploadingmany') : files[0].name) + '</span>';
+        // jQuery way to escape filename (#1490530)
+        content = $('<span>').text(multiple ? ref.get_label('uploadingmany') : files[0].name).html();
 
       // add to attachments list
       if (!ref.add2attachment_list(ts, { name:'', html:content, classname:'uploading', complete:false }))
@@ -8179,10 +8448,12 @@
       // complete multipart content and post request
       multipart += dashdash + boundary + dashdash + crlf;
 
+      args._uploadid = ts;
+
       $.ajax({
         type: 'POST',
         dataType: 'json',
-        url: ref.url(ref.env.filedrop.action || 'upload', {_id: ref.env.compose_id||ref.env.cid||'', _uploadid: ts, _remote: 1, _from: ref.env.action}),
+        url: ref.url(ref.env.filedrop.action || 'upload', args),
         contentType: formdata ? false : 'multipart/form-data; boundary=' + boundary,
         processData: false,
         timeout: 0, // disable default timeout set in ajaxSetup()
@@ -8384,8 +8655,20 @@
   // get the IMP mailbox of the message with the given UID
   this.get_message_mailbox = function(uid)
   {
-    var msg = this.env.messages ? this.env.messages[uid] : {};
+    var msg = (this.env.messages && uid ? this.env.messages[uid] : null) || {};
     return msg.mbox || this.env.mailbox;
+  };
+
+  // build request parameters from single message id (maybe with mailbox name)
+  this.params_from_uid = function(uid, params)
+  {
+    if (!params)
+      params = {};
+
+    params._uid = String(uid).split('-')[0];
+    params._mbox = this.get_message_mailbox(uid);
+
+    return params;
   };
 
   // gets cursor position
@@ -8483,14 +8766,10 @@
     if (!this.env.browser_capabilities)
       this.env.browser_capabilities = {};
 
-    if (this.env.browser_capabilities.pdf === undefined)
-      this.env.browser_capabilities.pdf = this.pdf_support_check();
-
-    if (this.env.browser_capabilities.flash === undefined)
-      this.env.browser_capabilities.flash = this.flash_support_check();
-
-    if (this.env.browser_capabilities.tif === undefined)
-      this.tif_support_check();
+    $.each(['pdf', 'flash', 'tif'], function() {
+      if (ref.env.browser_capabilities[this] === undefined)
+        ref.env.browser_capabilities[this] = ref[this + '_support_check']();
+    });
   };
 
   // Returns browser capabilities string
@@ -8509,11 +8788,14 @@
 
   this.tif_support_check = function()
   {
-    var img = new Image();
+    window.setTimeout(function() {
+      var img = new Image();
+      img.onload = function() { ref.env.browser_capabilities.tif = 1; };
+      img.onerror = function() { ref.env.browser_capabilities.tif = 0; };
+      img.src = ref.assets_path('program/resources/blank.tif');
+    }, 10);
 
-    img.onload = function() { ref.env.browser_capabilities.tif = 1; };
-    img.onerror = function() { ref.env.browser_capabilities.tif = 0; };
-    img.src = this.assets_path('program/resources/blank.tif');
+    return 0;
   };
 
   this.pdf_support_check = function()
@@ -8549,6 +8831,14 @@
         return 1;
     }
 
+    window.setTimeout(function() {
+      $('<object>').css({position: 'absolute', left: '-10000px'})
+        .attr({data: ref.assets_path('program/resources/dummy.pdf'), width: 1, height: 1, type: 'application/pdf'})
+        .load(function() { ref.env.browser_capabilities.pdf = 1; })
+        .error(function() { ref.env.browser_capabilities.pdf = 0; })
+        .appendTo($('body'));
+      }, 10);
+
     return 0;
   };
 

--
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