0001-log-elements-removed-when-unrecognized.patch

From 5deb1504dab0b60de9373c8432dac2fd7d0b0032 Mon Sep 17 00:00:00 2001
From: MinRK <benjaminrk@gmail.com>
Date: Thu, 20 Feb 2014 15:33:36 -0800
Subject: [PATCH] log elements removed when unrecognized

---
 src/com/google/caja/plugin/html-sanitizer.js | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/src/com/google/caja/plugin/html-sanitizer.js b/src/com/google/caja/plugin/html-sanitizer.js
index e54053f..e8382a4 100644
--- a/src/com/google/caja/plugin/html-sanitizer.js
+++ b/src/com/google/caja/plugin/html-sanitizer.js
@@ -661,7 +661,7 @@ var html = (function(html4) {
    * @return {function(string, Array)} A function that sanitizes a string of
    *     HTML and appends result strings to the second argument, an array.
    */
-  function makeHtmlSanitizer(tagPolicy) {
+  function makeHtmlSanitizer(tagPolicy, opt_logger) {
     var stack;
     var ignoring;
     var emit = function (text, out) {
@@ -674,7 +674,12 @@ var html = (function(html4) {
       },
       'startTag': function(tagNameOrig, attribs, out) {
         if (ignoring) { return; }
-        if (!html4.ELEMENTS.hasOwnProperty(tagNameOrig)) { return; }
+        if (!html4.ELEMENTS.hasOwnProperty(tagNameOrig)) {
+            if (opt_logger) {
+                log(opt_logger, tagNameOrig, undefined, undefined, undefined);
+            }
+            return;
+        }
         var eflagsOrig = html4.ELEMENTS[tagNameOrig];
         if (eflagsOrig & html4.eflags['FOLDABLE']) {
           return;
@@ -1019,9 +1024,9 @@ var html = (function(html4) {
    *     makeHtmlSanitizer above for details).
    * @return {string} The sanitized HTML.
    */
-  function sanitizeWithPolicy(inputHtml, tagPolicy) {
+  function sanitizeWithPolicy(inputHtml, tagPolicy, opt_logger) {
     var outputArray = [];
-    makeHtmlSanitizer(tagPolicy)(inputHtml, outputArray);
+    makeHtmlSanitizer(tagPolicy, opt_logger)(inputHtml, outputArray);
     return outputArray.join('');
   }
 
@@ -1038,7 +1043,7 @@ var html = (function(html4) {
     opt_naiveUriRewriter, opt_nmTokenPolicy, opt_logger) {
     var tagPolicy = makeTagPolicy(
       opt_naiveUriRewriter, opt_nmTokenPolicy, opt_logger);
-    return sanitizeWithPolicy(inputHtml, tagPolicy);
+    return sanitizeWithPolicy(inputHtml, tagPolicy, opt_logger);
   }
 
   // Export both quoted and unquoted names for Closure linkage.
-- 
1.8.5.5