From 681ba6fc3c296cd6cd11050531b8f4e785141786 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Tue, 16 Dec 2014 07:28:48 -0500
Subject: [PATCH] Improve system security by using optional special URL with security token Allows to define separate server/path for image/js/css files Fix bugs where CSRF attacks were still possible on some requests

---
 program/js/app.js |  289 +++++++++++++++++++++++++++++++++++++++++++--------------
 1 files changed, 215 insertions(+), 74 deletions(-)

diff --git a/program/js/app.js b/program/js/app.js
index 28df384..4e65a9c 100644
--- a/program/js/app.js
+++ b/program/js/app.js
@@ -58,7 +58,6 @@
     request_timeout: 180,  // seconds
     draft_autosave: 0,     // seconds
     comm_path: './',
-    blankpage: 'program/resources/blank.gif',
     recipients_separator: ',',
     recipients_delimiter: ', ',
     popup_width: 1150,
@@ -163,6 +162,9 @@
       return;
     }
 
+    if (!this.env.blankpage)
+      this.env.blankpage = this.assets_path('program/resources/blank.gif');
+
     // find all registered gui containers
     for (n in this.gui_containers)
       this.gui_containers[n] = $('#'+this.gui_containers[n]);
@@ -235,8 +237,6 @@
           $(this.message_list.thead).on('click', 'a.sortcol', function(e){
             return ref.command('sort', $(this).attr('rel'), this);
           });
-
-          this.gui_objects.messagelist.parentNode.onclick = function(e){ return ref.click_on_list(e || window.event); };
 
           this.enable_command('toggle_status', 'toggle_flag', 'sort', true);
           this.enable_command('set-listmode', this.env.threads && !this.is_multifolder_listing());
@@ -406,8 +406,6 @@
             .addEventListener('dragend', function(e) { ref.drag_end(e); })
             .init();
 
-          this.gui_objects.contactslist.parentNode.onmousedown = function(e){ return ref.click_on_list(e); };
-
           $(this.gui_objects.qsearchbox).focusin(function() { ref.contact_list.blur(); });
 
           this.update_group_commands();
@@ -560,13 +558,14 @@
 
     // show message
     if (this.pending_message)
-      this.display_message(this.pending_message[0], this.pending_message[1], this.pending_message[2]);
+      this.display_message.apply(this, this.pending_message);
 
     // init treelist widget
     if (this.gui_objects.folderlist && window.rcube_treelist_widget) {
       this.treelist = new rcube_treelist_widget(this.gui_objects.folderlist, {
           selectable: true,
           id_prefix: 'rcmli',
+          parent_focus: true,
           id_encode: this.html_identifier_encode,
           id_decode: this.html_identifier_decode,
           check_droptarget: function(node) { return !node.virtual && ref.check_droptarget(node.id) }
@@ -633,8 +632,9 @@
     if (obj && obj.blur && !(event && rcube_event.is_keyboard(event)))
       obj.blur();
 
-    // do nothing if interface is locked by other command (with exception for searching reset)
-    if (this.busy && !(command == 'reset-search' && this.last_command == 'search'))
+    // do nothing if interface is locked by another command
+    // with exception for searching reset and menu
+    if (this.busy && !(command == 'reset-search' && this.last_command == 'search') && !command.match(/^menu-/))
       return false;
 
     // let the browser handle this click (shift/ctrl usually opens the link in a new window/tab)
@@ -1056,7 +1056,7 @@
         if (this.task == 'mail') {
           url._mbox = this.env.mailbox;
           if (props)
-             url._to = props;
+            url._to = props;
           // also send search request so we can go back to search result after message is sent
           if (this.env.search_request)
             url._search = this.env.search_request;
@@ -1084,8 +1084,12 @@
             break;
           }
         }
-        else if (props)
+        else if (props && typeof props == 'string') {
           url._to = props;
+        }
+        else if (props && typeof props == 'object') {
+          $.extend(url, props);
+        }
 
         this.open_compose_step(url);
         break;
@@ -1404,8 +1408,10 @@
 
     if (task == 'mail')
       url += '&_mbox=INBOX';
-    else if (task == 'logout' && !this.env.server_error)
+    else if (task == 'logout' && !this.env.server_error) {
+      url += '&_token=' + this.env.request_token;
       this.clear_compose_data();
+    }
 
     this.redirect(url);
   };
@@ -1415,7 +1421,10 @@
     if (!url)
       url = this.env.comm_path;
 
-    return url.replace(/_task=[a-z0-9_-]+/i, '_task='+task);
+    if (url.match(/[?&]_task=[a-zA-Z0-9_-]+/))
+        return url.replace(/_task=[a-zA-Z0-9_-]+/, '_task=' + task);
+    else
+        return url.replace(/\?.*$/, '') + '?_task=' + task;
   };
 
   this.reload = function(delay)
@@ -1451,7 +1460,7 @@
 
   this.is_framed = function()
   {
-    return (this.env.framed && parent.rcmail && parent.rcmail != this && parent.rcmail.command);
+    return this.env.framed && parent.rcmail && parent.rcmail != this && typeof parent.rcmail.command == 'function';
   };
 
   this.save_pref = function(prop)
@@ -1659,7 +1668,7 @@
         }
         skip = obj.data('parent');
       }
-    }, 10);
+    }, 10, e);
   };
 
   // global keypress event handler
@@ -1713,19 +1722,6 @@
 
     return true;
   }
-
-  this.click_on_list = function(e)
-  {
-    if (this.gui_objects.qsearchbox)
-      this.gui_objects.qsearchbox.blur();
-
-    if (this.message_list)
-      this.message_list.focus(e);
-    else if (this.contact_list)
-      this.contact_list.focus(e);
-
-    return true;
-  };
 
   this.msglist_select = function(list)
   {
@@ -2039,7 +2035,7 @@
     }
     if (flags.forwarded) {
       status_class += ' forwarded';
-      status_label += this.get_label('replied') + ' ';
+      status_label += this.get_label('forwarded') + ' ';
     }
 
     // update selection
@@ -2494,7 +2490,7 @@
   // expand all threads with unread children
   this.expand_unread = function()
   {
-    var r, tbody = this.gui_objects.messagelist.tBodies[0],
+    var r, tbody = this.message_list.tbody,
       new_row = tbody.firstChild;
 
     while (new_row) {
@@ -3331,7 +3327,7 @@
     if (!this.gui_objects.messageform)
       return false;
 
-    var i, input_from = $("[name='_from']"),
+    var i, pos, input_from = $("[name='_from']"),
       input_to = $("[name='_to']"),
       input_subject = $("input[name='_subject']"),
       input_message = $("[name='_message']").get(0),
@@ -3365,16 +3361,24 @@
     }
 
     if (!html_mode) {
-      this.set_caret_pos(input_message, this.env.top_posting ? 0 : $(input_message).val().length);
+      pos = this.env.top_posting ? 0 : input_message.value.length;
+      this.set_caret_pos(input_message, pos);
+
       // add signature according to selected identity
       // if we have HTML editor, signature is added in callback
       if (input_from.prop('type') == 'select-one') {
         this.change_identity(input_from[0]);
       }
+
+      // scroll to the bottom of the textarea (#1490114)
+      if (pos) {
+        $(input_message).scrollTop(input_message.scrollHeight);
+      }
     }
 
     // check for locally stored compose data
-    this.compose_restore_dialog(0, html_mode)
+    if (this.env.save_localstorage)
+      this.compose_restore_dialog(0, html_mode)
 
     if (input_to.val() == '')
       input_to.focus();
@@ -3430,6 +3434,7 @@
           this.get_label('restoremessage'),
           [{
             text: this.get_label('restore'),
+            'class': 'mainaction',
             click: function(){
               ref.restore_compose_form(key, html_mode);
               ref.remove_compose_data(key);  // remove old copy
@@ -3439,6 +3444,7 @@
           },
           {
             text: this.get_label('delete'),
+            'class': 'delete',
             click: function(){
               ref.remove_compose_data(key);
               $(this).dialog('close');
@@ -3628,11 +3634,15 @@
   this.toggle_editor = function(props, obj, e)
   {
     // @todo: this should work also with many editors on page
-    var result = this.editor.toggle(props.html);
+    var result = this.editor.toggle(props.html, props.noconvert || false);
+
+    // satisfy the expectations of aftertoggle-editor event subscribers
+    props.mode = props.html ? 'html' : 'plain';
 
     if (!result && e) {
       // fix selector value if operation failed
-      $(e.target).filter('select').val(props.html ? 'plain' : 'html');
+      props.mode = props.html ? 'plain' : 'html';
+      $(e.target).filter('select').val(props.mode);
     }
 
     if (result) {
@@ -3659,7 +3669,7 @@
   this.save_response = function()
   {
     // show dialog to enter a name and to modify the text to be saved
-    var buttons = {}, text = this.editor.get_content(true, true),
+    var buttons = {}, text = this.editor.get_content({selection: true, format: 'text', nosig: true}),
       html = '<form class="propform">' +
       '<div class="prop block"><label>' + this.get_label('responsename') + '</label>' +
       '<input type="text" name="name" id="ffresponsename" size="40" /></div>' +
@@ -3687,7 +3697,7 @@
       $(this).dialog('close');
     };
 
-    this.show_popup_dialog(html, this.gettext('newresponse'), buttons);
+    this.show_popup_dialog(html, this.gettext('newresponse'), buttons, {button_classes: ['mainaction']});
 
     $('#ffresponsetext').val(text);
     $('#ffresponsename').select();
@@ -3806,7 +3816,7 @@
     }
 
     // save compose form content to local storage every 5 seconds
-    if (!this.local_save_timer && window.localStorage) {
+    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++; });
@@ -3847,7 +3857,7 @@
       if (val = $('[name="_' + hash_fields[i] + '"]').val())
         str += val + ':';
 
-    str += this.editor.get_content();
+    str += this.editor.get_content({refresh: false});
 
     if (this.env.attachments)
       for (id in this.env.attachments)
@@ -3862,6 +3872,10 @@
   // store the contents of the compose form to localstorage
   this.save_compose_form_local = function()
   {
+    // feature is disabled
+    if (!this.env.save_localstorage)
+      return;
+
     var formdata = { session:this.env.session_id, changed:new Date().getTime() },
       ed, empty = true;
 
@@ -3931,7 +3945,7 @@
 
       // initialize HTML editor
       if ((formdata._is_html == '1' && !html_mode) || (formdata._is_html != '1' && html_mode)) {
-        this.command('toggle-editor', {id: this.env.composebody, html: !html_mode});
+        this.command('toggle-editor', {id: this.env.composebody, html: !html_mode, noconvert: true});
       }
     }
   };
@@ -3968,6 +3982,19 @@
     if (!show_sig)
       show_sig = this.env.show_sig;
 
+    var id = obj.options[obj.selectedIndex].value,
+      sig = this.env.identity,
+      delim = this.env.recipients_separator,
+      rx_delim = RegExp.escape(delim);
+
+    // enable manual signature insert
+    if (this.env.signatures && this.env.signatures[id]) {
+      this.enable_command('insert-sig', true);
+      this.env.compose_commands.push('insert-sig');
+    }
+    else
+      this.enable_command('insert-sig', false);
+
     // first function execution
     if (!this.env.identities_initialized) {
       this.env.identities_initialized = true;
@@ -3976,11 +4003,6 @@
       if (this.env.opened_extwin)
         return;
     }
-
-    var id = obj.options[obj.selectedIndex].value,
-      sig = this.env.identity,
-      delim = this.env.recipients_separator,
-      rx_delim = RegExp.escape(delim);
 
     // update reply-to/bcc fields with addresses defined in identities
     $.each(['replyto', 'bcc'], function() {
@@ -4014,14 +4036,6 @@
       if (old_val || new_val)
         input.val(input_val).change();
     });
-
-    // enable manual signature insert
-    if (this.env.signatures && this.env.signatures[id]) {
-      this.enable_command('insert-sig', true);
-      this.env.compose_commands.push('insert-sig');
-    }
-    else
-      this.enable_command('insert-sig', false);
 
     this.editor.change_signature(id, show_sig);
     this.env.identity = id;
@@ -4452,7 +4466,7 @@
     this.ksearch_destroy();
 
     // insert all members of a group
-    if (typeof this.env.contacts[id] === 'object' && this.env.contacts[id].type == 'group') {
+    if (typeof this.env.contacts[id] === 'object' && this.env.contacts[id].type == 'group' && !this.env.contacts[id].email) {
       insert += this.env.contacts[id].name + this.env.recipients_delimiter;
       this.group2expand[this.env.contacts[id].id] = $.extend({ input: this.ksearch_input }, this.env.contacts[id]);
       this.http_request('mail/group-expand', {_source: this.env.contacts[id].source, _gid: this.env.contacts[id].id}, false);
@@ -4596,7 +4610,7 @@
         id = i + this.env.contacts.length;
         $('<li>').attr('id', 'rcmkSearchItem' + id)
           .attr('role', 'option')
-          .html(this.quote_html(text.replace(new RegExp('('+RegExp.escape(value)+')', 'ig'), '##$1%%')).replace(/##([^%]+)%%/g, '<b>$1</b>'))
+          .html('<i class="icon"></i>' + this.quote_html(text.replace(new RegExp('('+RegExp.escape(value)+')', 'ig'), '##$1%%')).replace(/##([^%]+)%%/g, '<b>$1</b>'))
           .addClass(type || '')
           .appendTo(ul)
           .mouseover(function() { ref.ksearch_select(this); })
@@ -4700,7 +4714,7 @@
       source = this.env.source ? this.env.address_sources[this.env.source] : null;
 
     // we don't have dblclick handler here, so use 200 instead of this.dblclick_time
-    if (id = list.get_single_selection())
+    if (this.env.contentframe && (id = list.get_single_selection()))
       this.preview_timer = setTimeout(function(){ ref.load_contact(id, 'show'); }, 200);
     else if (this.env.contentframe)
       this.show_contentframe(false);
@@ -4752,6 +4766,7 @@
   this.list_contacts = function(src, group, page)
   {
     var win, folder, url = {},
+      refresh = src === undefined && group === undefined && page === undefined,
       target = window;
 
     if (!src)
@@ -4764,7 +4779,7 @@
       page = this.env.current_page = 1;
       this.reset_qsearch();
     }
-    else if (group != this.env.group)
+    else if (!refresh && group != this.env.group)
       page = this.env.current_page = 1;
 
     if (this.env.search_id)
@@ -4902,6 +4917,9 @@
     if (action && (cid || action == 'add') && !this.drag_active) {
       if (this.env.group)
         url._gid = this.env.group;
+
+      if (this.env.search_request)
+        url._search = this.env.search_request;
 
       url._action = action;
       url._source = this.env.source;
@@ -5165,6 +5183,7 @@
     this.show_popup_dialog(content, this.get_label('newgroup'),
       [{
         text: this.get_label('save'),
+        'class': 'mainaction',
         click: function() {
           var name;
 
@@ -5192,6 +5211,7 @@
     this.show_popup_dialog(content, this.get_label('grouprename'),
       [{
         text: this.get_label('save'),
+        'class': 'mainaction',
         click: function() {
           var name;
 
@@ -5555,6 +5575,7 @@
     this.show_popup_dialog(content, this.get_label('searchsave'),
       [{
         text: this.get_label('save'),
+        'class': 'mainaction',
         click: function() {
           var name;
 
@@ -5754,15 +5775,19 @@
 
     this.subscription_list = new rcube_treelist_widget(this.gui_objects.subscriptionlist, {
         selectable: true,
+        tabexit: false,
+        parent_focus: true,
         id_prefix: 'rcmli',
         id_encode: this.html_identifier_encode,
-        id_decode: this.html_identifier_decode
+        id_decode: this.html_identifier_decode,
+        searchbox: '#foldersearch'
     });
 
     this.subscription_list
       .addEventListener('select', function(node) { ref.subscription_select(node.id); })
       .addEventListener('collapse', function(node) { ref.folder_collapsed(node) })
       .addEventListener('expand', function(node) { ref.folder_collapsed(node) })
+      .addEventListener('search', function(p) { if (p.query) ref.subscription_select(); })
       .draggable({cancel: 'li.mailbox.root'})
       .droppable({
         // @todo: find better way, accept callback is executed for every folder
@@ -5845,6 +5870,12 @@
     if (!this.gui_objects.subscriptionlist)
       return false;
 
+    // reset searching
+    if (this.subscription_list.is_search()) {
+      this.subscription_select();
+      this.subscription_list.reset_search();
+    }
+
     // disable drag-n-drop temporarily
     this.subscription_list.draggable('destroy').droppable('destroy');
 
@@ -5863,8 +5894,9 @@
     row.attr({id: 'rcmli' + this.html_identifier_encode(id), 'class': class_name});
 
     if (!refrow || !refrow.length) {
-      // remove old subfolders and toggle
+      // remove old data, subfolders and toggle
       $('ul,div.treetoggle', row).remove();
+      row.removeData('filtered');
     }
 
     // set folder name
@@ -5991,7 +6023,7 @@
       this.subscription_list.expand(this.folder_id2name(parent.id));
     }
 
-    row = row.get(0);
+    row = row.show().get(0);
     if (row.scrollIntoView)
       row.scrollIntoView();
 
@@ -6002,10 +6034,18 @@
   this.replace_folder_row = function(oldid, id, name, display_name, is_protected, class_name)
   {
     if (!this.gui_objects.subscriptionlist) {
-      if (this.is_framed)
-        return parent.rcmail.replace_folder_row(oldid, id, name, display_name, is_protected, class_name);
+      if (this.is_framed()) {
+        // @FIXME: for some reason this 'parent' variable need to be prefixed with 'window.'
+        return window.parent.rcmail.replace_folder_row(oldid, id, name, display_name, is_protected, class_name);
+      }
 
       return false;
+    }
+
+    // reset searching
+    if (this.subscription_list.is_search()) {
+      this.subscription_select();
+      this.subscription_list.reset_search();
     }
 
     var subfolders = {},
@@ -6053,6 +6093,12 @@
   // remove the table row of a specific mailbox from the table
   this.remove_folder_row = function(folder)
   {
+    // reset searching
+    if (this.subscription_list.is_search()) {
+      this.subscription_select();
+      this.subscription_list.reset_search();
+    }
+
     var list = [], row = this.subscription_list.get_item(folder, true);
 
     // get subfolders if any
@@ -6121,6 +6167,37 @@
     $('#folder-size').replaceWith(size);
   };
 
+  // filter folders by namespace
+  this.folder_filter = function(prefix)
+  {
+    this.subscription_list.reset_search();
+
+    this.subscription_list.container.children('li').each(function() {
+      var i, folder = ref.folder_id2name(this.id);
+      // show all folders
+      if (prefix == '---') {
+      }
+      // got namespace prefix
+      else if (prefix) {
+        if (folder !== prefix) {
+          $(this).data('filtered', true).hide();
+          return
+        }
+      }
+      // no namespace prefix, filter out all other namespaces
+      else {
+        // first get all namespace roots
+        for (i in ref.env.ns_roots) {
+          if (folder === ref.env.ns_roots[i]) {
+            $(this).data('filtered', true).hide();
+            return;
+          }
+        }
+      }
+
+      $(this).removeData('filtered').show();
+    });
+  };
 
   /*********************************************************/
   /*********           GUI functionality           *********/
@@ -6283,7 +6360,7 @@
   };
 
   // display a system message, list of types in common.css (below #message definition)
-  this.display_message = function(msg, type, timeout)
+  this.display_message = function(msg, type, timeout, key)
   {
     // pass command to parent window
     if (this.is_framed())
@@ -6292,18 +6369,34 @@
     if (!this.gui_objects.message) {
       // save message in order to display after page loaded
       if (type != 'loading')
-        this.pending_message = [msg, type, timeout];
+        this.pending_message = [msg, type, timeout, key];
       return 1;
     }
 
-    type = type ? type : 'notice';
+    if (!type)
+      type = 'notice';
 
-    var key = this.html_identifier(msg),
-      date = new Date(),
+    if (!key)
+      key = this.html_identifier(msg);
+
+    var date = new Date(),
       id = type + date.getTime();
 
-    if (!timeout)
-      timeout = this.message_time * (type == 'error' || type == 'warning' ? 2 : 1);
+    if (!timeout) {
+      switch (type) {
+        case 'error':
+        case 'warning':
+          timeout = this.message_time * 2;
+          break;
+
+        case 'uploading':
+          timeout = 0;
+          break;
+
+        default:
+          timeout = this.message_time;
+      }
+    }
 
     if (type == 'loading') {
       key = 'loading';
@@ -6336,7 +6429,7 @@
     if (type == 'loading') {
       this.messages[key].labels = [{'id': id, 'msg': msg}];
     }
-    else {
+    else if (type != 'uploading') {
       obj.click(function() { return ref.hide_message(obj); })
         .attr('role', 'alert');
     }
@@ -6345,6 +6438,7 @@
 
     if (timeout > 0)
       setTimeout(function() { ref.hide_message(id, type != 'loading'); }, timeout);
+
     return id;
   };
 
@@ -6423,6 +6517,35 @@
     this.messages = {};
   };
 
+  // display uploading message with progress indicator
+  // data should contain: name, total, current, percent, text
+  this.display_progress = function(data)
+  {
+    if (!data || !data.name)
+      return;
+
+    var msg = this.messages['progress' + data.name];
+
+    if (!data.label)
+      data.label = this.get_label('uploadingmany');
+
+    if (!msg) {
+      if (!data.percent || data.percent < 100)
+        this.display_message(data.label, 'uploading', 0, 'progress' + data.name);
+      return;
+    }
+
+    if (!data.total || data.percent >= 100) {
+      this.hide_message(msg.obj);
+      return;
+    }
+
+    if (data.text)
+      data.label += ' ' + data.text;
+
+    msg.obj.text(data.label);
+  };
+
   // open a jquery UI dialog with the given content
   this.show_popup_dialog = function(content, title, buttons, options)
   {
@@ -6436,7 +6559,7 @@
     if (typeof content == 'object')
       popup.append(content);
     else
-      popup.html(html);
+      popup.html(content);
 
     popup.dialog($.extend({
         title: title,
@@ -6454,6 +6577,11 @@
     popup.dialog('option', {
       height: Math.min(h - 40, height + 75 + (buttons ? 50 : 0)),
       width: Math.min(w - 20, width + 36)
+    });
+
+    // assign special classes to dialog buttons
+    $.each(options.button_classes || [], function(i, v) {
+      if (v) $($('.ui-dialog-buttonpane button.ui-button', popup.parent()).get(i)).addClass(v);
     });
 
     return popup;
@@ -6849,7 +6977,7 @@
       // 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)
-          this.hide_menu(this.menu_stack[i]);
+          this.hide_menu(this.menu_stack[i], event);
       }
       if (stack && this.menu_stack.length) {
         obj.data('parent', $.last(this.menu_stack));
@@ -7773,13 +7901,17 @@
   // and return the message uid
   this.get_single_uid = function()
   {
-    return this.env.uid ? this.env.uid : (this.message_list ? this.message_list.get_single_selection() : null);
+    var uid = this.env.uid || (this.message_list ? this.message_list.get_single_selection() : null);
+    var result = ref.triggerEvent('get_single_uid', { uid: uid });
+    return result || uid;
   };
 
   // same as above but for contacts
   this.get_single_cid = function()
   {
-    return this.env.cid ? this.env.cid : (this.contact_list ? this.contact_list.get_single_selection() : null);
+    var cid = this.env.cid || (this.contact_list ? this.contact_list.get_single_selection() : null);
+    var result = ref.triggerEvent('get_single_cid', { cid: cid });
+    return result || cid;
   };
 
   // get the IMP mailbox of the message with the given UID
@@ -7914,7 +8046,7 @@
 
     img.onload = function() { ref.env.browser_capabilities.tif = 1; };
     img.onerror = function() { ref.env.browser_capabilities.tif = 0; };
-    img.src = 'program/resources/blank.tif';
+    img.src = this.assets_path('program/resources/blank.tif');
   };
 
   this.pdf_support_check = function()
@@ -7971,6 +8103,15 @@
     return 0;
   };
 
+  this.assets_path = function(path)
+  {
+    if (this.env.assets_path && !path.startsWith(this.env.assets_path)) {
+      path = this.env.assets_path + path;
+    }
+
+    return path;
+  };
+
   // Cookie setter
   this.set_cookie = function(name, value, expires)
   {

--
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