From 037af6890fe6fdb84a08d3c86083e847c90ec0ad Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Tue, 22 Oct 2013 08:17:26 -0400
Subject: [PATCH] Fix vulnerability in handling _session argument of utils/save-prefs (#1489382)

---
 skins/larry/ui.js | 1043 ++++++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 files changed, 974 insertions(+), 69 deletions(-)

diff --git a/skins/larry/ui.js b/skins/larry/ui.js
index f2e230f..36b5235 100644
--- a/skins/larry/ui.js
+++ b/skins/larry/ui.js
@@ -1,10 +1,18 @@
 /**
  * Roundcube functions for default skin interface
+ *
+ * Copyright (c) 2011, The Roundcube Dev Team
+ *
+ * The contents are subject to the Creative Commons Attribution-ShareAlike
+ * License. It is allowed to copy, distribute, transmit and to adapt the work
+ * by keeping credits to the original autors in the README file.
+ * See http://creativecommons.org/licenses/by-sa/3.0/ for details.
  */
 
 
 function rcube_mail_ui()
 {
+  var env = {};
   var popups = {};
   var popupconfig = {
     forwardmenu:        { editable:1 },
@@ -13,73 +21,272 @@
     dragmessagemenu:    { sticky:1 },
     groupmenu:          { above:1 },
     mailboxmenu:        { above:1 },
-    composeoptionsmenu: { editable:1, overlap:1 },
+    spellmenu:          { callback: spellmenu },
     // toggle: #1486823, #1486930
     'attachment-form':  { editable:1, above:1, toggle:!bw.ie&&!bw.linux },
     'upload-form':      { editable:1, toggle:!bw.ie&&!bw.linux }
   };
 
   var me = this;
+  var mailviewsplit;
+  var compose_headers = {};
 
   // export public methods
+  this.set = setenv;
   this.init = init;
+  this.init_tabs = init_tabs;
+  this.show_about = show_about;
   this.show_popup = show_popup;
   this.set_searchmod = set_searchmod;
+  this.show_uploadform = show_uploadform;
+  this.show_header_row = show_header_row;
+  this.hide_header_row = hide_header_row;
+
+
+  // set minimal mode on small screens (don't wait for document.ready)
+  if (window.$ && document.body) {
+    var minmode = rcmail.get_cookie('minimalmode');
+    if (parseInt(minmode) || (minmode === null && $(window).height() < 850)) {
+      $(document.body).addClass('minimal');
+    }
+
+    if (bw.tablet) {
+      $('#viewport').attr('content', "width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0");
+    }
+  }
+
 
   /**
    *
    */
+  function setenv(key, val)
+  {
+    env[key] = val;
+  }
+
+  /**
+   * Initialize UI
+   * Called on document.ready
+   */
   function init()
   {
-    if (rcmail.env.task == 'mail') {
-      rcmail.addEventListener('menu-open', function(){ show_popup('listoptions'); });
-      rcmail.addEventListener('menu-save', save_listoptions);
-//      rcmail.addEventListener('aftersend-attachment', 'uploadmenu', rcmail_ui);
-//      rcmail.addEventListener('aftertoggle-editor', 'resize_compose_body_ev', rcmail_ui);
-      rcmail.gui_object('message_dragmenu', 'dragmessagemenu');
-      $('#mailpreviewtoggle').addClass($('#mailpreviewframe').is(':visible') ? 'enabled' : 'closed').click(function(e){ toggle_preview_pane(e); return false });
-      $('#maillistmode').addClass(rcmail.env.threading ? '' : 'selected').click(function(e){ switch_view_mode('list'); return false });
-      $('#mailthreadmode').addClass(rcmail.env.threading ? 'selected' : '').click(function(e){ switch_view_mode('thread'); return false });
-      
-      if (rcmail.env.action == 'show' || rcmail.env.action == 'preview') {
-        layout_messageview();
-      }
-    }
-    else if (rcmail.env.task == 'settings') {
-      var tab = '#settingstabpreferences';
-      if (rcmail.env.action)
-        tab = '#settingstab' + (rcmail.env.action.indexOf('identity')>0 ? 'identities' : rcmail.env.action.replace(/\./g, ''));
+    rcmail.addEventListener('message', message_displayed);
 
-      $(tab).addClass('selected')
-        .children().first().removeAttr('onclick').click(function() { return false; });
-    }
-
-    $(document.body).bind('mouseup', function(e){
-      var config, obj, target = e.target;
-      for (var id in popups) {
-        obj = popups[id];
-        config = popupconfig[id];
-        if (obj.is(':visible')
-          && target.id != id+'link'
-          && !config.toggle
-          && (!config.editable || !target_overlaps(target, obj.get(0)))
-          && (!config.sticky || !rcube_mouse_is_over(e, obj.get(0)))
-        ) {
-          var myid = id+'';
-          window.setTimeout(function(){ show_popupmenu(myid, false) }, 10);
-        }
-      }
-    })
-    .bind('keyup', function(e){
-      if (e.keyCode == 27) {
-        for (var id in popups) {
-          if (popups[id].is(':visible'))
-            show_popup(id, false);
-        }
-      }
+    /*** prepare minmode functions ***/
+    $('#taskbar a').each(function(i,elem){
+      $(elem).append('<span class="tooltip">' + $('.button-inner', this).html() + '</span>')
     });
-    
-    $(window).resize(resize);
+
+    $('#taskbar .minmodetoggle').click(function(e){
+      var ismin = $(document.body).toggleClass('minimal').hasClass('minimal');
+      rcmail.set_cookie('minimalmode', ismin?1:0);
+      $(window).resize();
+    });
+
+    /***  mail task  ***/
+    if (rcmail.env.task == 'mail') {
+      rcmail.addEventListener('menu-open', show_listoptions);
+      rcmail.addEventListener('menu-save', save_listoptions);
+      rcmail.addEventListener('responseafterlist', function(e){ switch_view_mode(rcmail.env.threading ? 'thread' : 'list') });
+
+      var dragmenu = $('#dragmessagemenu');
+      if (dragmenu.length) {
+        rcmail.gui_object('message_dragmenu', 'dragmessagemenu');
+        popups.dragmessagemenu = dragmenu;
+      }
+
+      if (rcmail.env.action == 'show' || rcmail.env.action == 'preview') {
+        rcmail.addEventListener('aftershow-headers', function() { layout_messageview(); });
+        rcmail.addEventListener('afterhide-headers', function() { layout_messageview(); });
+        $('#previewheaderstoggle').click(function(e){ toggle_preview_headers(this); return false });
+      }
+      else if (rcmail.env.action == 'compose') {
+        rcmail.addEventListener('aftertoggle-editor', function(){ window.setTimeout(function(){ layout_composeview() }, 200); });
+        rcmail.addEventListener('aftersend-attachment', show_uploadform);
+        rcmail.addEventListener('add-recipient', function(p){ show_header_row(p.field, true); });
+        layout_composeview();
+
+        // Show input elements with non-empty value
+        var field, fields = ['cc', 'bcc', 'replyto', 'followupto'];
+        for (var f=0; f < fields.length; f++) {
+          if ((field = $('#_'+fields[f])) && field.length && field.val() != '')
+            show_header_row(fields[f], true);
+        }
+
+        $('#composeoptionstoggle').click(function(){
+          $('#composeoptionstoggle').toggleClass('remove');
+          $('#composeoptions').toggle();
+          layout_composeview();
+          return false;
+        }).css('cursor', 'pointer');
+
+        // toggle compose options if opened in new window and they were visible before
+        var opener_rc = rcmail.opener();
+        if (opener_rc && opener_rc.env.action == 'compose' && $('#composeoptionstoggle', opener.document).hasClass('remove'))
+          $('#composeoptionstoggle').click();
+
+        new rcube_splitter({ id:'composesplitterv', p1:'#composeview-left', p2:'#composeview-right',
+          orientation:'v', relative:true, start:248, min:170, size:12, render:layout_composeview }).init();
+      }
+      else if (rcmail.env.action == 'list' || !rcmail.env.action) {
+        var previewframe = $('#mailpreviewframe').is(':visible');
+        $('#mailpreviewtoggle').addClass(previewframe ? 'enabled' : 'closed').click(function(e){ toggle_preview_pane(e); return false });
+        $('#maillistmode').addClass(rcmail.env.threading ? '' : 'selected').click(function(e){ switch_view_mode('list'); return false });
+        $('#mailthreadmode').addClass(rcmail.env.threading ? 'selected' : '').click(function(e){ switch_view_mode('thread'); return false });
+
+        mailviewsplit = new rcube_splitter({ id:'mailviewsplitter', p1:'#mailview-top', p2:'#mailview-bottom',
+          orientation:'h', relative:true, start:310, min:150, size:12, offset:4 });
+        if (previewframe)
+          mailviewsplit.init();
+
+        new rcube_scroller('#folderlist-content', '#folderlist-header', '#folderlist-footer');
+
+        rcmail.addEventListener('setquota', update_quota);
+      }
+
+      if ($('#mailview-left').length) {
+        new rcube_splitter({ id:'mailviewsplitterv', p1:'#mailview-left', p2:'#mailview-right',
+          orientation:'v', relative:true, start:226, min:150, size:12, callback:render_mailboxlist, render:resize_leftcol }).init();
+      }
+    }
+    /***  settings task  ***/
+    else if (rcmail.env.task == 'settings') {
+      rcmail.addEventListener('init', function(){
+        var tab = '#settingstabpreferences';
+        if (rcmail.env.action)
+          tab = '#settingstab' + (rcmail.env.action.indexOf('identity')>0 ? 'identities' : rcmail.env.action.replace(/\./g, ''));
+
+        $(tab).addClass('selected')
+          .children().first().removeAttr('onclick').click(function() { return false; });
+      });
+
+      if (rcmail.env.action == 'folders') {
+        new rcube_splitter({ id:'folderviewsplitter', p1:'#folderslist', p2:'#folder-details',
+          orientation:'v', relative:true, start:266, min:180, size:12 }).init();
+
+        new rcube_scroller('#folderslist-content', '#folderslist-header', '#folderslist-footer');
+
+        rcmail.addEventListener('setquota', update_quota);
+      }
+      else if (rcmail.env.action == 'identities') {
+        new rcube_splitter({ id:'identviewsplitter', p1:'#identitieslist', p2:'#identity-details',
+          orientation:'v', relative:true, start:266, min:180, size:12 }).init();
+      }
+      else if (rcmail.env.action == 'preferences' || !rcmail.env.action) {
+        new rcube_splitter({ id:'prefviewsplitter', p1:'#sectionslist', p2:'#preferences-box',
+          orientation:'v', relative:true, start:266, min:180, size:12 }).init();
+      }
+    }
+    /***  addressbook task  ***/
+    else if (rcmail.env.task == 'addressbook') {
+      rcmail.addEventListener('afterupload-photo', show_uploadform);
+      rcmail.addEventListener('beforepushgroup', push_contactgroup);
+      rcmail.addEventListener('beforepopgroup', pop_contactgroup);
+
+      if (rcmail.env.action == '') {
+        new rcube_splitter({ id:'addressviewsplitterd', p1:'#addressview-left', p2:'#addressview-right',
+          orientation:'v', relative:true, start:226, min:150, size:12, render:resize_leftcol }).init();
+        new rcube_splitter({ id:'addressviewsplitter', p1:'#addresslist', p2:'#contacts-box',
+          orientation:'v', relative:true, start:286, min:270, size:12 }).init();
+
+        new rcube_scroller('#directorylist-content', '#directorylist-header', '#directorylist-footer');
+      }
+    }
+
+    // set min-width to show all toolbar buttons
+    var screen = $('.minwidth');
+    if (screen.length) {
+      screen.css('min-width', $('.toolbar').width() + $('#quicksearchbar').parent().width() + 20);
+    }
+
+    // turn a group of fieldsets into tabs
+    $('.tabbed').each(function(idx, elem){ init_tabs(elem); })
+
+    // decorate select elements
+    $('select.decorated').each(function(){
+      if (bw.opera) {
+        $(this).removeClass('decorated');
+        return;
+      }
+
+      var select = $(this),
+        height = Math.max(select.height(), 26) - 2,
+        width = select.width() - 22,
+        title = $('option', this).first().text();
+
+      if ($('option:selected', this).val() != '')
+        title = $('option:selected', this).text();
+
+      var overlay = $('<a class="menuselector"><span class="handle">' + title + '</span></a>')
+        .css('position', 'absolute')
+        .offset(select.position())
+        .insertAfter(select);
+
+      overlay.children().width(width).height(height).css('line-height', (height - 1) + 'px');
+
+      select.change(function() {
+          var val = $('option:selected', this).text();
+          $(this).next().children().html(val);
+        });
+
+      var parent = select.parent();
+      if (parent.css('position') != 'absolute')
+        parent.css('position', 'relative');
+
+      // re-set original select width to fix click action and options width in some browsers
+      select.width(overlay.width());
+    });
+
+    $(document.body)
+      .bind('mouseup', body_mouseup)
+      .bind('keyup', function(e){
+        if (e.keyCode == 27) {
+          for (var id in popups) {
+            if (popups[id].is(':visible'))
+              show_popup(id, false);
+          }
+        }
+      });
+
+    $('iframe').load(function(e){
+      // this = iframe
+      try {
+        var doc = this.contentDocument ? this.contentDocument : this.contentWindow ? this.contentWindow.document : null;
+        $(doc).mouseup(body_mouseup);
+      }
+      catch (e) {
+        // catch possible "Permission denied" error in IE
+      };
+    })
+    .contents().mouseup(body_mouseup);
+
+    // don't use $(window).resize() due to some unwanted side-effects
+    window.onresize = resize;
+    resize();
+  }
+
+  /**
+   * Handler for mouse-up events on the document body.
+   * This will close all open popup menus
+   */
+  function body_mouseup(e)
+  {
+    var config, obj, target = e.target;
+    if (target.className == 'inner')
+        target = e.target.parentNode;
+    for (var id in popups) {
+      obj = popups[id];
+      config = popupconfig[id];
+      if (obj.is(':visible')
+        && target.id != id+'link'
+        && !config.toggle
+        && (!config.editable || !target_overlaps(target, obj.get(0)))
+        && (!config.sticky || !rcube_mouse_is_over(e, obj.get(0)))
+      ) {
+        var myid = id+'';
+        window.setTimeout(function(){ show_popupmenu(myid, false) }, 10);
+      }
+    }
   }
 
   /**
@@ -87,24 +294,137 @@
    */
   function resize()
   {
-    if (rcmail.env.task == 'mail' && (rcmail.env.action == 'show' || rcmail.env.action == 'preview')) {
-      layout_messageview();
+    if (rcmail.env.task == 'mail') {
+      if (rcmail.env.action == 'show' || rcmail.env.action == 'preview')
+        layout_messageview();
+      else if (rcmail.env.action == 'compose')
+        layout_composeview();
+    }
+
+    // make iframe footer buttons float if scrolling is active
+    $('body.iframe .footerleft').each(function(){
+      var footer = $(this),
+        body = $(document.body),
+        floating = footer.hasClass('floating'),
+        overflow = body.outerHeight(true) > $(window).height();
+
+      if (overflow != floating) {
+        var action = overflow ? 'addClass' : 'removeClass';
+        footer[action]('floating');
+        body[action]('floatingbuttons');
+      }
+    });
+  }
+
+  /**
+   * Triggered when a new user message is displayed
+   */
+  function message_displayed(p)
+  {
+    // show a popup dialog on errors
+    if (p.type == 'error' && rcmail.env.task != 'login') {
+      if (me.message_timer) {
+        window.clearTimeout(me.message_timer);
+      }
+      if (!me.messagedialog) {
+        me.messagedialog = $('<div>').addClass('popupdialog').hide();
+      }
+
+      var msg = p.message,
+        pos = $(p.object).offset();
+      pos.top -= (rcmail.env.task == 'login' ? 20 : 160);
+
+      if (me.messagedialog.is(':visible'))
+        msg = me.messagedialog.html() + '<p>' + p.message + '</p>';
+
+      me.messagedialog.html(msg)
+        .dialog({
+          resizable: false,
+          closeOnEscape: true,
+          dialogClass: 'popupmessage ' + p.type,
+          title: env.errortitle,
+          close: function() {
+            me.messagedialog.dialog('destroy').hide();
+          },
+          position: ['center', pos.top],
+          hide: { effect:'drop', direction:'down' },
+          width: 420,
+          minHeight: 90
+        }).show();
+
+      me.message_timer = window.setTimeout(function(){ me.messagedialog.dialog('close'); }, Math.max(2000, p.timeout / 2));
     }
   }
+
 
   /**
    * Adjust UI objects of the mail view screen
    */
   function layout_messageview()
   {
-    $('#messagecontent').css('top', ($('#messageheader').outerHeight() + 10) + 'px');
+    $('#messagecontent').css('top', ($('#messageheader').outerHeight() + 1) + 'px');
     $('#message-objects div a').addClass('button');
-    
+
     if (!$('#attachment-list li').length) {
       $('div.rightcol').hide();
       $('div.leftcol').css('margin-right', '0');
     }
   }
+
+
+  function render_mailboxlist(splitter)
+  {
+    // TODO: implement smart shortening of long folder names
+  }
+
+
+  function resize_leftcol(splitter)
+  {
+    // STUB
+  }
+
+
+  function layout_composeview()
+  {
+    var body = $('#composebody'),
+      form = $('#compose-content'),
+      bottom = $('#composeview-bottom'),
+      w, h, bh, ovflw, btns = 0,
+      minheight = 300,
+
+    bh = (form.height() - bottom.position().top);
+    ovflw = minheight - bh;
+    btns = ovflw > -100 ? 0 : 40;
+    bottom.css('height', Math.max(minheight, bh) + 'px');
+    form.css('overflow', ovflw > 0 ? 'auto' : 'hidden');
+
+    w = body.parent().width() - 5;
+    h = body.parent().height() - 16;
+    body.width(w).height(h);
+
+    $('#composebody_tbl').width((w+8)+'px').height('').css('margin-top', '1px');
+    $('#composebody_ifr').width((w+8)+'px').height((h-40)+'px');
+    $('#googie_edit_layer').height(h+'px');
+//    $('#composebodycontainer')[(btns ? 'addClass' : 'removeClass')]('buttons');
+//    $('#composeformbuttons')[(btns ? 'show' : 'hide')]();
+
+    var abooks = $('#directorylist');
+    $('#compose-contacts .scroller').css('top', abooks.position().top + abooks.outerHeight());
+  }
+
+
+  function update_quota(p)
+  {
+    var step = 24, step_count = 20,
+      y = p.total ? Math.ceil(p.percent / 100 * step_count) * step : 0;
+
+    // never show full-circle if quota is close to 100% but below.
+    if (p.total && y == step * step_count && p.percent < 100)
+      y -= step;
+
+    $('#quotadisplay').css('background-position', '0 -'+y+'px');
+  }
+
 
   /**
    * Trigger for popup menus
@@ -169,7 +489,7 @@
       $('select').css('visibility', show?'hidden':'inherit');
       $('select', obj).css('visibility', 'inherit');
     }
-    
+
     return show;
   }
 
@@ -187,33 +507,46 @@
   }
 
 
+  /**
+   * Show/hide the preview pane
+   */
   function toggle_preview_pane(e)
   {
     var button = $(e.target),
       frame = $('#mailpreviewframe'),
       visible = !frame.is(':visible'),
-      splitter = parseInt(bw.get_cookie('mailviewsplitter') || 320),
+      splitter = mailviewsplit.pos || parseInt(rcmail.get_cookie('mailviewsplitter') || 320),
       topstyles, bottomstyles, uid;
 
     frame.toggle();
     button.removeClass().addClass(visible ? 'enabled' : 'closed');
 
     if (visible) {
-      topstyles = { height:(splitter-38)+'px', bottom:'auto' };
-      bottomstyles = { top:(splitter+5)+'px', height:'auto' };
+      $('#mailview-top').removeClass('fullheight').css({ bottom:'auto' });
+      $('#mailview-bottom').css({ height:'auto' });
+
       rcmail.env.contentframe = 'messagecontframe';
       if (uid = rcmail.message_list.get_single_selection())
         rcmail.show_message(uid, false, true);
+
+      // let the splitter set the correct size and position
+      if (mailviewsplit.handle) {
+        mailviewsplit.handle.show();
+        mailviewsplit.resize();
+      }
+      else
+        mailviewsplit.init();
     }
     else {
-      topstyles = { height:'auto', bottom:'28px' };
-      bottomstyles = { top:'auto', height:'26px' };
       rcmail.env.contentframe = null;
       rcmail.show_contentframe(false);
-    }
 
-    $('#mailview-top').css(topstyles);
-    $('#mailview-bottom').css(bottomstyles);
+      $('#mailview-top').addClass('fullheight').css({ height:'auto', bottom:'28px' });
+      $('#mailview-bottom').css({ top:'auto', height:'26px' });
+
+      if (mailviewsplit.handle)
+        mailviewsplit.handle.hide();
+    }
 
     if (visible && uid && rcmail.message_list)
       rcmail.message_list.scrollto(uid);
@@ -222,6 +555,26 @@
   }
 
 
+  /**
+   * Switch between short and full headers display in message preview
+   */
+  function toggle_preview_headers(button)
+  {
+    $('#preview-shortheaders').toggle();
+    var full = $('#preview-allheaders').toggle(),
+      button = $('a#previewheaderstoggle');
+
+    // add toggle button to full headers table
+    if (full.is(':visible'))
+      button.attr('href', '#hide').removeClass('add').addClass('remove')
+    else
+      button.attr('href', '#details').removeClass('remove').addClass('add')
+  }
+
+
+  /**
+   *
+   */
   function switch_view_mode(mode)
   {
     if (rcmail.env.threading != (mode == 'thread'))
@@ -265,20 +618,97 @@
   }
 
 
-  function save_listoptions()
+  function spellmenu(show)
   {
-    show_popupmenu('listoptions', false);
+    var link, li,
+      lang = rcmail.spellcheck_lang(),
+      menu = popups.spellmenu,
+      ul = $('ul', menu);
 
-    var sort = $('input[name="sort_col"]:checked').val(),
-      ord = $('input[name="sort_ord"]:checked').val(),
-      thread = $('input[name="view"]:checked').val(),
-      cols = $('input[name="list_col[]"]:checked')
-        .map(function(){ return this.value; }).get();
+    if (!ul.length) {
+      ul = $('<ul class="toolbarmenu selectable">');
 
-    rcmail.set_list_options(cols, sort, ord, thread == 'thread' ? 1 : 0);
+      for (i in rcmail.env.spell_langs) {
+        li = $('<li>');
+        link = $('<a href="#"></a>').text(rcmail.env.spell_langs[i])
+          .addClass('active').data('lang', i)
+          .click(function() {
+            rcmail.spellcheck_lang_set($(this).data('lang'));
+          });
+
+        link.appendTo(li);
+        li.appendTo(ul);
+      }
+
+      ul.appendTo(menu);
+    }
+
+    // select current language
+    $('li', ul).each(function() {
+      var el = $('a', this);
+      if (el.data('lang') == lang)
+        el.addClass('selected');
+      else if (el.hasClass('selected'))
+        el.removeClass('selected');
+    });
   }
 
 
+  /**
+   *
+   */
+  function show_listoptions()
+  {
+    var $dialog = $('#listoptions');
+
+    // close the dialog
+    if ($dialog.is(':visible')) {
+      $dialog.dialog('close');
+      return;
+    }
+
+    // set form values
+    $('input[name="sort_col"][value="'+rcmail.env.sort_col+'"]').prop('checked', true);
+    $('input[name="sort_ord"][value="DESC"]').prop('checked', rcmail.env.sort_order == 'DESC');
+    $('input[name="sort_ord"][value="ASC"]').prop('checked', rcmail.env.sort_order != 'DESC');
+
+    // set checkboxes
+    $('input[name="list_col[]"]').each(function() {
+      $(this).prop('checked', $.inArray(this.value, rcmail.env.coltypes) != -1);
+    });
+
+    $dialog.dialog({
+      modal: true,
+      resizable: false,
+      closeOnEscape: true,
+      title: null,
+      close: function() {
+        $dialog.dialog('destroy').hide();
+      },
+      width: 650
+    }).show();
+  }
+
+
+  /**
+   *
+   */
+  function save_listoptions()
+  {
+    $('#listoptions').dialog('close');
+
+    var sort = $('input[name="sort_col"]:checked').val(),
+      ord = $('input[name="sort_ord"]:checked').val(),
+      cols = $('input[name="list_col[]"]:checked')
+        .map(function(){ return this.value; }).get();
+
+    rcmail.set_list_options(cols, sort, ord, rcmail.env.threading);
+  }
+
+
+  /**
+   *
+   */
   function set_searchmod(elem)
   {
     var all, m, task = rcmail.env.task,
@@ -323,5 +753,480 @@
       }
     });
   }
+
+  function push_contactgroup(p)
+  {
+    // lets the contacts list swipe to the left, nice!
+    var table = $('#contacts-table'),
+      scroller = table.parent().css('overflow', 'hidden');
+
+    table.clone()
+      .css({ position:'absolute', top:'0', left:'0', width:table.width()+'px', 'z-index':10 })
+      .appendTo(scroller)
+      .animate({ left: -(table.width()+5) + 'px' }, 300, 'swing', function(){
+        $(this).remove();
+        scroller.css('overflow', 'auto')
+      });
+  }
+
+  function pop_contactgroup(p)
+  {
+    // lets the contacts list swipe to the left, nice!
+    var table = $('#contacts-table'),
+      scroller = table.parent().css('overflow', 'hidden'),
+      clone = table.clone().appendTo(scroller);
+
+      table.css({ position:'absolute', top:'0', left:-(table.width()+5) + 'px', width:table.width()+'px', height:table.height()+'px', 'z-index':10 })
+        .animate({ left:'0' }, 300, 'linear', function(){
+        clone.remove();
+        $(this).css({ position:'relative', left:'0', width:'100%', height:'auto', 'z-index':1 });
+        scroller.css('overflow', 'auto')
+      });
+  }
+
+  function show_uploadform()
+  {
+    var $dialog = $('#upload-dialog');
+
+    // close the dialog
+    if ($dialog.is(':visible')) {
+      $dialog.dialog('close');
+      return;
+    }
+
+    // add icons to clone file input field
+    if (rcmail.env.action == 'compose' && !$dialog.data('extended')) {
+      $('<a>')
+        .addClass('iconlink add')
+        .attr('href', '#add')
+        .html('Add')
+        .appendTo($('input[type="file"]', $dialog).parent())
+        .click(add_uploadfile);
+      $dialog.data('extended', true);
+    }
+
+    $dialog.dialog({
+      modal: true,
+      resizable: false,
+      closeOnEscape: true,
+      title: $dialog.attr('title'),
+      close: function() {
+        try { $('#upload-dialog form').get(0).reset(); }
+        catch(e){ }  // ignore errors
+
+        $dialog.dialog('destroy').hide();
+        $('div.addline', $dialog).remove();
+      },
+      width: 480
+    }).show();
+
+    if (!document.all)
+      $('input[type=file]', $dialog).first().click();
+  }
+
+  function add_uploadfile(e)
+  {
+    var div = $(this).parent();
+    var clone = div.clone().addClass('addline').insertAfter(div);
+    clone.children('.iconlink').click(add_uploadfile);
+    clone.children('input').val('');
+
+    if (!document.all)
+      $('input[type=file]', clone).click();
+  }
+
+
+  /**
+   *
+   */
+  function show_header_row(which, updated)
+  {
+    var row = $('#compose-' + which);
+    if (row.is(':visible'))
+      return;  // nothing to be done here
+
+    if (compose_headers[which] && !updated)
+      $('#_' + which).val(compose_headers[which]);
+
+    row.show();
+    $('#' + which + '-link').hide();
+    layout_composeview();
+    return false;
+  }
+
+  /**
+   *
+   */
+  function hide_header_row(which)
+  {
+    // copy and clear field value
+    var field = $('#_' + which);
+    compose_headers[which] = field.val();
+    field.val('');
+
+    $('#compose-' + which).hide();
+    $('#' + which + '-link').show();
+    layout_composeview();
+    return false;
+  }
+
+
+  /**
+   * Fieldsets-to-tabs converter
+   */
+  function init_tabs(elem, current)
+  {
+    var content = $(elem),
+      id = content.get(0).id,
+      fs = content.children('fieldset');
+
+    if (!fs.length)
+      return;
+
+    if (!id) {
+      id = 'rcmtabcontainer';
+      content.attr('id', id);
+    }
+
+    // first hide not selected tabs
+    current = current || 0;
+    fs.each(function(idx) { if (idx != current) $(this).hide(); });
+
+    // create tabs container
+    var tabs = $('<div>').addClass('tabsbar').prependTo(content);
+
+    // convert fildsets into tabs
+    fs.each(function(idx) {
+      var tab, a, elm = $(this), legend = elm.children('legend');
+
+      // create a tab
+      a   = $('<a>').text(legend.text()).attr('href', '#');
+      tab = $('<span>').attr({'id': 'tab'+idx, 'class': 'tablink'})
+        .click(function() { show_tab(id, idx); return false })
+
+      // remove legend
+      legend.remove();
+      // style fieldset
+      elm.addClass('tab');
+      // style selected tab
+      if (idx == current)
+        tab.addClass('selected');
+
+      // add the tab to container
+      tab.append(a).appendTo(tabs);
+    });
+  }
+
+  function show_tab(id, index)
+  {
+    var fs = $('#'+id).children('fieldset');
+
+    fs.each(function(idx) {
+      // Show/hide fieldset (tab content)
+      $(this)[index==idx ? 'show' : 'hide']();
+      // Select/unselect tab
+      $('#tab'+idx).toggleClass('selected', idx==index);
+    });
+
+    resize();
+  }
+
+  /**
+   * Show about page as jquery UI dialog
+   */
+  function show_about(elem)
+  {
+    var frame = $('<iframe>').attr('id', 'aboutframe')
+      .attr('src', rcmail.url('settings/about'))
+      .attr('frameborder', '0')
+      .appendTo(document.body);
+
+    var h = Math.floor($(window).height() * 0.75);
+    var buttons = {};
+    var supportln = $('#supportlink');
+    if (supportln.length && (env.supporturl = supportln.attr('href')))
+      buttons[supportln.html()] = function(e){ env.supporturl.indexOf('mailto:') < 0 ? window.open(env.supporturl) : location.href = env.supporturl };
+
+    frame.dialog({
+      modal: true,
+      resizable: false,
+      closeOnEscape: true,
+      title: elem ? elem.title || elem.innerHTML : null,
+      close: function() {
+        frame.dialog('destroy').remove();
+      },
+      buttons: buttons,
+      width: 640,
+      height: h
+    }).width(640);
+  }
 }
 
+
+/**
+ * Roundcube Scroller class
+ */
+function rcube_scroller(list, top, bottom)
+{
+  var ref = this;
+
+  this.list = $(list);
+  this.top = $(top);
+  this.bottom = $(bottom);
+  this.step_size = 6;
+  this.step_time = 20;
+  this.delay = 500;
+
+  this.top
+    .mouseenter(function() { ref.ts = window.setTimeout(function() { ref.scroll('down'); }, ref.delay); })
+    .mouseout(function() { if (ref.ts) window.clearTimeout(ref.ts); });
+
+  this.bottom
+    .mouseenter(function() { ref.ts = window.setTimeout(function() { ref.scroll('up'); }, ref.delay); })
+    .mouseout(function() { if (ref.ts) window.clearTimeout(ref.ts); });
+
+  this.scroll = function(dir)
+  {
+    var ref = this, size = this.step_size;
+
+    if (!rcmail.drag_active)
+      return;
+
+    if (dir == 'down')
+      size *= -1;
+
+    this.list.get(0).scrollTop += size;
+    this.ts = window.setTimeout(function() { ref.scroll(dir); }, this.step_time);
+  };
+};
+
+
+/**
+ * Roundcube UI splitter class
+ *
+ * @constructor
+ */
+function rcube_splitter(p)
+{
+  this.p = p;
+  this.id = p.id;
+  this.horizontal = (p.orientation == 'horizontal' || p.orientation == 'h');
+  this.halfsize = (p.size !== undefined ? p.size : 10) / 2;
+  this.pos = p.start || 0;
+  this.min = p.min || 20;
+  this.offset = p.offset || 0;
+  this.relative = p.relative ? true : false;
+  this.drag_active = false;
+  this.render = p.render;
+  this.callback = p.callback;
+
+  var me = this;
+  rcube_splitter._instances[this.id] = me;
+
+  this.init = function()
+  {
+    this.p1 = $(this.p.p1);
+    this.p2 = $(this.p.p2);
+
+    // check if referenced elements exist, otherwise abort
+    if (!this.p1.length || !this.p2.length)
+      return;
+
+    // create and position the handle for this splitter
+    this.p1pos = this.relative ? this.p1.position() : this.p1.offset();
+    this.p2pos = this.relative ? this.p2.position() : this.p2.offset();
+    this.handle = $('<div>')
+      .attr('id', this.id)
+      .attr('unselectable', 'on')
+      .addClass('splitter ' + (this.horizontal ? 'splitter-h' : 'splitter-v'))
+      .appendTo(this.p1.parent())
+      .bind('mousedown', onDragStart);
+
+    if (this.horizontal) {
+      var top = this.p1pos.top + this.p1.outerHeight();
+      this.handle.css({ left:'0px', top:top+'px' });
+    }
+    else {
+      var left = this.p1pos.left + this.p1.outerWidth();
+      this.handle.css({ left:left+'px', top:'0px' });
+    }
+
+    // listen to window resize on IE
+    if (bw.ie)
+      $(window).resize(onResize);
+
+    // read saved position from cookie
+    var cookie = rcmail.get_cookie(this.id);
+    if (cookie && !isNaN(cookie)) {
+      this.pos = parseFloat(cookie);
+      this.resize();
+    }
+    else if (this.pos) {
+      this.resize();
+      this.set_cookie();
+    }
+  };
+
+  /**
+   * Set size and position of all DOM objects
+   * according to the saved splitter position
+   */
+  this.resize = function()
+  {
+    if (this.horizontal) {
+      this.p1.css('height', Math.floor(this.pos - this.p1pos.top - this.halfsize) + 'px');
+      this.p2.css('top', Math.ceil(this.pos + this.halfsize + 2) + 'px');
+      this.handle.css('top', Math.round(this.pos - this.halfsize + this.offset)+'px');
+      if (bw.ie) {
+        var new_height = parseInt(this.p2.parent().outerHeight(), 10) - parseInt(this.p2.css('top'), 10) - (bw.ie8 ? 2 : 0);
+        this.p2.css('height', (new_height > 0 ? new_height : 0) + 'px');
+      }
+    }
+    else {
+      this.p1.css('width', Math.floor(this.pos - this.p1pos.left - this.halfsize) + 'px');
+      this.p2.css('left', Math.ceil(this.pos + this.halfsize) + 'px');
+      this.handle.css('left', Math.round(this.pos - this.halfsize + this.offset + 3)+'px');
+      if (bw.ie) {
+        var new_width = parseInt(this.p2.parent().outerWidth(), 10) - parseInt(this.p2.css('left'), 10) ;
+        this.p2.css('width', (new_width > 0 ? new_width : 0) + 'px');
+      }
+    }
+
+    this.p2.resize();
+    this.p1.resize();
+
+    // also resize iframe covers
+    if (this.drag_active) {
+      $('iframe').each(function(i, elem) {
+        var pos = $(this).offset();
+        $('#iframe-splitter-fix-'+i).css({ top: pos.top+'px', left: pos.left+'px', width:elem.offsetWidth+'px', height: elem.offsetHeight+'px' });
+      });
+    }
+
+    if (typeof this.render == 'function')
+      this.render(this);
+  };
+
+  /**
+   * Handler for mousedown events
+   */
+  function onDragStart(e)
+  {
+    // disable text selection while dragging the splitter
+    if (bw.konq || bw.chrome || bw.safari)
+      document.body.style.webkitUserSelect = 'none';
+
+    me.p1pos = me.relative ? me.p1.position() : me.p1.offset();
+    me.p2pos = me.relative ? me.p2.position() : me.p2.offset();
+    me.drag_active = true;
+
+    // start listening to mousemove events
+    $(document).bind('mousemove.'+this.id, onDrag).bind('mouseup.'+this.id, onDragStop);
+
+    // enable dragging above iframes
+    $('iframe').each(function(i, elem) {
+      $('<div>')
+        .attr('id', 'iframe-splitter-fix-'+i)
+        .addClass('iframe-splitter-fix')
+        .css({ background: '#fff',
+          width: elem.offsetWidth+'px', height: elem.offsetHeight+'px',
+          position: 'absolute', opacity: '0.001', zIndex: 1000
+        })
+        .css($(this).offset())
+        .appendTo('body');
+      });
+  };
+
+  /**
+   * Handler for mousemove events
+   */
+  function onDrag(e)
+  {
+    if (!me.drag_active)
+      return false;
+
+    var pos = rcube_event.get_mouse_pos(e);
+
+    if (me.relative) {
+      var parent = me.p1.parent().offset();
+      pos.x -= parent.left;
+      pos.y -= parent.top;
+    }
+
+    if (me.horizontal) {
+      if (((pos.y - me.halfsize) > me.p1pos.top) && ((pos.y + me.halfsize) < (me.p2pos.top + me.p2.outerHeight()))) {
+        me.pos = Math.max(me.min, pos.y - me.offset);
+        me.resize();
+      }
+    }
+    else {
+      if (((pos.x - me.halfsize) > me.p1pos.left) && ((pos.x + me.halfsize) < (me.p2pos.left + me.p2.outerWidth()))) {
+        me.pos = Math.max(me.min, pos.x - me.offset);
+        me.resize();
+      }
+    }
+
+    me.p1pos = me.relative ? me.p1.position() : me.p1.offset();
+    me.p2pos = me.relative ? me.p2.position() : me.p2.offset();
+    return false;
+  };
+
+  /**
+   * Handler for mouseup events
+   */
+  function onDragStop(e)
+  {
+    // resume the ability to highlight text
+    if (bw.konq || bw.chrome || bw.safari)
+      document.body.style.webkitUserSelect = 'auto';
+
+    // cancel the listening for drag events
+    $(document).unbind('.'+me.id);
+    me.drag_active = false;
+
+    // remove temp divs
+    $('div.iframe-splitter-fix').remove();
+
+    me.set_cookie();
+
+    if (typeof me.callback == 'function')
+      me.callback(me);
+
+    return bw.safari ? true : rcube_event.cancel(e);
+  };
+
+  /**
+   * Handler for window resize events
+   */
+  function onResize(e)
+  {
+    if (me.horizontal) {
+      var new_height = parseInt(me.p2.parent().outerHeight(), 10) - parseInt(me.p2[0].style.top, 10) - (bw.ie8 ? 2 : 0);
+      me.p2.css('height', (new_height > 0 ? new_height : 0) +'px');
+    }
+    else {
+      var new_width = parseInt(me.p2.parent().outerWidth(), 10) - parseInt(me.p2[0].style.left, 10);
+      me.p2.css('width', (new_width > 0 ? new_width : 0) + 'px');
+    }
+  };
+
+  /**
+   * Saves splitter position in cookie
+   */
+  this.set_cookie = function()
+  {
+    var exp = new Date();
+    exp.setYear(exp.getFullYear() + 1);
+    rcmail.set_cookie(this.id, this.pos, exp);
+  };
+
+} // end class rcube_splitter
+
+
+// static getter for splitter instances
+rcube_splitter._instances = {};
+
+rcube_splitter.get_instance = function(id)
+{
+  return rcube_splitter._instances[id];
+};

--
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