From 197203727417a03d87053a47e5aa5175a76e3e0b Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Thu, 17 Oct 2013 04:24:53 -0400
Subject: [PATCH] Fix vulnerability in handling _session argument of utils/save-prefs (#1489382)

---
 skins/default/functions.js |  194 +++++++++++++++++++++++++++---------------------
 1 files changed, 109 insertions(+), 85 deletions(-)

diff --git a/skins/default/functions.js b/skins/default/functions.js
index 603c703..2db2c5d 100644
--- a/skins/default/functions.js
+++ b/skins/default/functions.js
@@ -82,14 +82,14 @@
   this.popups = {
     markmenu:       {id:'markmessagemenu'},
     replyallmenu:   {id:'replyallmenu'},
-    forwardmenu:    {id:'forwardmenu'},
+    forwardmenu:    {id:'forwardmenu', editable:1},
     searchmenu:     {id:'searchmenu', editable:1},
     messagemenu:    {id:'messagemenu'},
     listmenu:       {id:'listmenu', editable:1},
     dragmessagemenu:{id:'dragmessagemenu', sticky:1},
     groupmenu:      {id:'groupoptionsmenu', above:1},
     mailboxmenu:    {id:'mailboxoptionsmenu', above:1},
-    composemenu:    {id:'composeoptionsmenu', editable:1},
+    composemenu:    {id:'composeoptionsmenu', editable:1, overlap:1},
     // toggle: #1486823, #1486930
     uploadmenu:     {id:'attachment-form', editable:1, above:1, toggle:!bw.ie&&!bw.linux },
     uploadform:     {id:'upload-form', editable:1, toggle:!bw.ie&&!bw.linux }
@@ -108,8 +108,13 @@
 
 rcube_mail_ui.prototype = {
 
-show_popup: function(popup, show)
+show_popup: function(popup, show, config)
 {
+  var obj;
+  // auto-register menu object
+  if (!this.popups[popup] && (obj = $('#'+popup)) && obj.length)
+    this.popups[popup] = $.extend(config, {id: popup, obj: obj});
+
   if (typeof this[popup] == 'function')
     return this[popup](show);
   else
@@ -141,6 +146,11 @@
   }
 
   obj[show?'show':'hide']();
+
+  if (bw.ie6 && this.popups[popup].overlap) {
+    $('select').css('visibility', show?'hidden':'inherit');
+    $('select', obj).css('visibility', 'inherit');
+  }
 },
 
 dragmessagemenu: function(show)
@@ -182,28 +192,31 @@
 
   if (show && ref) {
     var pos = $(ref).offset();
-    obj.css({ left:pos.left, top:(pos.top + ref.offsetHeight + 2)})
-        .find(':checked').prop('checked', false);
+    obj.css({left:pos.left, top:(pos.top + ref.offsetHeight + 2)});
 
     if (rcmail.env.search_mods) {
-      var n, mbox = rcmail.env.mailbox, mods = rcmail.env.search_mods;
+      var n, all,
+        list = $('input:checkbox[name="s_mods[]"]', obj),
+        mbox = rcmail.env.mailbox,
+        mods = rcmail.env.search_mods;
 
-      if (rcmail.env.task != 'addressbook') {
+      if (rcmail.env.task == 'mail') {
         mods = mods[mbox] ? mods[mbox] : mods['*'];
-
-        for (n in mods)
-          $('#s_mod_' + n).prop('checked', true);
+        all = 'text';
       }
       else {
-        if (mods['*'])
-          $('input:checkbox[name="s_mods[]"]').map(function() {
-            this.checked = true;
-            this.disabled = this.value != '*';
-          });
-        else {
-          for (n in mods)
-            $('#s_mod_' + n).prop('checked', true);
-        }
+        all = '*';
+      }
+
+      if (mods[all])
+        list.map(function() {
+          this.checked = true;
+          this.disabled = this.value != all;
+        });
+      else {
+        list.prop('disabled', false).prop('checked', false);
+        for (n in mods)
+          $('#s_mod_' + n).prop('checked', true);
       }
     }
   }
@@ -212,7 +225,7 @@
 
 set_searchmod: function(elem)
 {
-  var task = rcmail.env.task,
+  var all, m, task = rcmail.env.task,
     mods = rcmail.env.search_mods,
     mbox = rcmail.env.mailbox;
 
@@ -222,36 +235,37 @@
   if (task == 'mail') {
     if (!mods[mbox])
       mods[mbox] = rcube_clone_object(mods['*']);
-    if (!elem.checked)
-      delete(mods[mbox][elem.value]);
-    else
-      mods[mbox][elem.value] = 1;
+    m = mods[mbox];
+    all = 'text';
   }
   else { //addressbook
-    if (!elem.checked)
-      delete(mods[elem.value]);
-    else
-      mods[elem.value] = 1;
-
-    // mark all fields
-    if (elem.value == '*') {
-      $('input:checkbox[name="s_mods[]"]').map(function() {
-        if (this == elem)
-          return;
-
-        if (elem.checked) {
-          mods[this.value] = 1;
-          this.checked = true;
-          this.disabled = true;
-        }
-        else {
-          this.disabled = false;
-        }
-      });
-    }
+    m = mods;
+    all = '*';
   }
 
-  rcmail.env.search_mods = mods;
+  if (!elem.checked)
+    delete(m[elem.value]);
+  else
+    m[elem.value] = 1;
+
+  // mark all fields
+  if (elem.value != all)
+    return;
+
+  $('input:checkbox[name="s_mods[]"]').map(function() {
+    if (this == elem)
+      return;
+
+    this.checked = true;
+    if (elem.checked) {
+      this.disabled = true;
+      delete m[this.value];
+    }
+    else {
+      this.disabled = false;
+      m[this.value] = 1;
+    }
+  });
 },
 
 listmenu: function(show)
@@ -271,22 +285,18 @@
       pos.left = pos.left - menuwidth;
 
     obj.css({ left:pos.left, top:(pos.top + ref.offsetHeight + 2)});
+
     // 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');
     $('input[name="view"][value="thread"]').prop('checked', rcmail.env.threading ? true : false);
     $('input[name="view"][value="list"]').prop('checked', rcmail.env.threading ? false : true);
-    // list columns
-    var found, cols = $('input[name="list_col[]"]');
-    for (var i=0; i<cols.length; i++) {
-      if (cols[i].value != 'from')
-        found = jQuery.inArray(cols[i].value, rcmail.env.coltypes) != -1;
-      else
-        found = (jQuery.inArray('from', rcmail.env.coltypes) != -1
-	        || jQuery.inArray('to', rcmail.env.coltypes) != -1);
-      $(cols[i]).prop('checked', found);
-    }
+
+    // set checkboxes
+    $('input[name="list_col[]"]').each(function() {
+      $(this).prop('checked', jQuery.inArray(this.value, rcmail.env.coltypes) != -1);
+    });
   }
 
   obj[show?'show':'hide']();
@@ -335,7 +345,7 @@
       && (!this.popups[i].editable || !this.target_overlaps(target, this.popups[i].id))
       && (!this.popups[i].sticky || !rcube_mouse_is_over(evt, rcube_find_object(this.popups[i].id)))
     ) {
-      window.setTimeout('$("#'+this.popups[i].id+'").hide()', 50);
+      window.setTimeout('rcmail_ui.show_popup("'+i+'",false);', 50);
     }
   }
 },
@@ -556,7 +566,6 @@
       rcmail.addEventListener('responseaftergetunread', rcube_render_mailboxlist);
       rcmail.addEventListener('responseaftercheck-recent', rcube_render_mailboxlist);
       rcmail.addEventListener('aftercollapse-folder', rcube_render_mailboxlist);
-      rcube_render_mailboxlist();
     }
 
     if (rcmail.env.action == 'compose')
@@ -578,12 +587,16 @@
 // Abbreviate mailbox names to fit width of the container
 function rcube_render_mailboxlist()
 {
-  if (bw.ie6)  // doesn't work well on IE6
+  var list = $('#mailboxlist > li a, #mailboxlist ul:visible > li a');
+
+  // it's too slow with really big number of folders, especially on IE
+  if (list.length > (bw.ie ? 25 : 100))
     return;
 
-  $('#mailboxlist > li a, #mailboxlist ul:visible > li a').each(function(){
-    var elem = $(this);
-    var text = elem.data('text');
+  list.each(function(){
+    var elem = $(this),
+      text = elem.data('text');
+
     if (!text) {
       text = elem.text().replace(/\s+\(.+$/, '');
       elem.data('text', text);
@@ -601,34 +614,45 @@
 // inspired by https://gist.github.com/24261/7fdb113f1e26111bd78c0c6fe515f6c0bf418af5
 function fit_string_to_size(str, elem, len)
 {
-    var result = str;
-    var ellip = '...';
-    var span = $('<b>').css({ visibility:'hidden', padding:'0px' }).appendTo(elem).get(0);
+  var w, span, result = str, ellip = '...';
 
-    // on first run, check if string fits into the length already.
-    span.innerHTML = result;
-    if (span.offsetWidth > len) {
-        var cut = Math.max(1, Math.floor(str.length * ((span.offsetWidth - len) / span.offsetWidth) / 2)),
-          mid = Math.floor(str.length / 2);
-        var offLeft = mid, offRight = mid;
-        while (true) {
-            offLeft = mid - cut;
-            offRight = mid + cut;
-            span.innerHTML = str.substring(0,offLeft) + ellip + str.substring(offRight);
+  if (!rcmail.env.tmp_span) {
+    // it should be appended to elem to use the same css style
+    // but for performance reasons we'll append it to body (once)
+    span = $('<b>').css({visibility: 'hidden', padding: '0px'})
+      .appendTo($('body', document)).get(0);
+    rcmail.env.tmp_span = span;
+  }
+  else {
+    span = rcmail.env.tmp_span;
+  }
+  span.innerHTML = result;
 
-            // break loop if string fits size
-            if (span.offsetWidth <= len || offLeft < 3)
-              break;
+  // on first run, check if string fits into the length already.
+  w = span.offsetWidth;
+  if (w > len) {
+    var cut = Math.max(1, Math.floor(str.length * ((w - len) / w) / 2)),
+      mid = Math.floor(str.length / 2),
+      offLeft = mid,
+      offRight = mid;
 
-            cut++;
-        }
+    while (true) {
+      offLeft = mid - cut;
+      offRight = mid + cut;
+      span.innerHTML = str.substring(0,offLeft) + ellip + str.substring(offRight);
 
-        // build resulting string
-        result = str.substring(0,offLeft) + ellip + str.substring(offRight);
+      // break loop if string fits size
+      if (offLeft < 3 || span.offsetWidth)
+        break;
+
+      cut++;
     }
-    
-    span.parentNode.removeChild(span);
-    return result;
+
+    // build resulting string
+    result = str.substring(0,offLeft) + ellip + str.substring(offRight);
+  }
+
+  return result;
 }
 
 // Optional parameters used by TinyMCE

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