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)

---
 program/js/list.js |   30 ++++++++++++++++++++----------
 1 files changed, 20 insertions(+), 10 deletions(-)

diff --git a/program/js/list.js b/program/js/list.js
index 9db7b7a..368ee5b 100644
--- a/program/js/list.js
+++ b/program/js/list.js
@@ -110,17 +110,25 @@
     row.onmousedown = function(e){ return self.drag_row(e, this.uid); };
     row.onmouseup = function(e){ return self.click_row(e, this.uid); };
 
-    if (bw.mobile) {
+    if (bw.touch) {
       row.addEventListener('touchstart', function(e) {
         if (e.touches.length == 1) {
-          if (!self.drag_row(rcube_event.touchevent(e.touches[0]), this.uid))
-            e.preventDefault();
+          self.touchmoved = false;
+          self.drag_row(rcube_event.touchevent(e.touches[0]), this.uid)
         }
       }, false);
       row.addEventListener('touchend', function(e) {
-        if (e.changedTouches.length == 1)
-          if (!self.click_row(rcube_event.touchevent(e.changedTouches[0]), this.uid))
+        if (e.changedTouches.length == 1) {
+          if (!self.touchmoved && !self.click_row(rcube_event.touchevent(e.changedTouches[0]), this.uid))
             e.preventDefault();
+        }
+      }, false);
+      row.addEventListener('touchmove', function(e) {
+        if (e.changedTouches.length == 1) {
+          self.touchmoved = true;
+          if (self.drag_active)
+            e.preventDefault();
+        }
       }, false);
     }
 
@@ -230,7 +238,9 @@
   }
 
   // Un-focus already focused elements (#1487123, #1487316, #1488600, #1488620)
+  // It looks that window.focus() does the job for all browsers, but not Firefox (#1489058)
   $(':focus:not(body)').blur();
+  window.focus();
 
   if (e || (e = window.event))
     rcube_event.cancel(e);
@@ -297,7 +307,7 @@
   if (rcube_event.get_button(e) == 2)
     return true;
 
-  this.in_selection_before = this.in_selection(id) ? id : false;
+  this.in_selection_before = e && e.istouch || this.in_selection(id) ? id : false;
 
   // selects currently unselected row
   if (!this.in_selection_before) {
@@ -305,12 +315,12 @@
     this.select_row(id, mod_key, false);
   }
 
-  if (this.draggable && this.selection.length) {
+  if (this.draggable && this.selection.length && this.in_selection(id)) {
     this.drag_start = true;
     this.drag_mouse_start = rcube_event.get_mouse_pos(e);
     rcube_event.add_listener({event:'mousemove', object:this, method:'drag_mouse_move'});
     rcube_event.add_listener({event:'mouseup', object:this, method:'drag_mouse_up'});
-    if (bw.mobile) {
+    if (bw.touch) {
       rcube_event.add_listener({event:'touchmove', object:this, method:'drag_mouse_move'});
       rcube_event.add_listener({event:'touchend', object:this, method:'drag_mouse_up'});
     }
@@ -1113,7 +1123,7 @@
 {
   // convert touch event
   if (e.type == 'touchmove') {
-    if (e.changedTouches.length == 1)
+    if (e.touches.length == 1 && e.changedTouches.length == 1)
       e = rcube_event.touchevent(e.changedTouches[0]);
     else
       return rcube_event.cancel(e);
@@ -1229,7 +1239,7 @@
   rcube_event.remove_listener({event:'mousemove', object:this, method:'drag_mouse_move'});
   rcube_event.remove_listener({event:'mouseup', object:this, method:'drag_mouse_up'});
 
-  if (bw.mobile) {
+  if (bw.touch) {
     rcube_event.remove_listener({event:'touchmove', object:this, method:'drag_mouse_move'});
     rcube_event.remove_listener({event:'touchend', object:this, method:'drag_mouse_up'});
   }

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