[gow] (2) Block cross-origin PUT and DELETE from <form>s for now.

Fixing http://www.w3.org/Bugs/Public/show_bug.cgi?id=7709

git-svn-id: http://svn.whatwg.org/webapps@4042 340c8d12-0b0e-0410-8428-c7bf67bfef74

index

 
        <dd>Let <var title="">MIME type</var> be "<code title="">text/plain</code>".</dd>
 
-      </dl><p><a href=#navigate>Navigate</a> <var title="">target browsing
-      context</var> to <var title="">action</var> using the HTTP
-      method given by <var title="">method</var> and with <var title="">entity body</var> as the entity body, of type <var title="">MIME type</var>. If <var title="">target browsing
+      </dl><p>If <var title="">method</var> is anything but GET or POST,
+      and the <a href=#origin>origin</a> of <var title="">action</var> is not
+      the <a href=#same-origin>same origin</a> as that of the <code><a href=#the-form-element>form</a></code>
+      element's <code>Document</code>, then abort these steps.</p>
+      <!-- CORS, one day -->
+
+      <p>Otherwise, <a href=#navigate>navigate</a> <var title="">target
+      browsing context</var> to <var title="">action</var> using the
+      HTTP method given by <var title="">method</var> and with <var title="">entity body</var> as the entity body, of type <var title="">MIME type</var>. If <var title="">target browsing
       context</var> was newly created for this purpose by the steps
       above, then it must be navigated with <a href=#replacement-enabled>replacement
       enabled</a>.</p>
       <p>Let <var title="">target browsing context</var> be <a href=#the-form-submission-target-browsing-context>the
       form submission target browsing context</a>.</p>
 
-      <p><a href=#navigate>Navigate</a> <var title="">target browsing
-      context</var> to <var title="">action</var> using the DELETE
-      method. If <var title="">target browsing context</var> was newly
-      created for this purpose by the steps above, then it must be
-      navigated with <a href=#replacement-enabled>replacement enabled</a>.</p>
+      <p>If the <a href=#origin>origin</a> of <var title="">action</var> is
+      not the <a href=#same-origin>same origin</a> as that of the
+      <code><a href=#the-form-element>form</a></code> element's <code>Document</code>, then abort
+      these steps.</p> <!-- CORS, one day -->
+
+      <p>Otherwise, <a href=#navigate>navigate</a> <var title="">target
+      browsing context</var> to <var title="">action</var> using the
+      DELETE method. If <var title="">target browsing context</var>
+      was newly created for this purpose by the steps above, then it
+      must be navigated with <a href=#replacement-enabled>replacement enabled</a>.</p>
 
      </dd>
 

source

 
       </dl>
 
-      <p><span>Navigate</span> <var title="">target browsing
-      context</var> to <var title="">action</var> using the HTTP
-      method given by <var title="">method</var> and with <var
+      <p>If <var title="">method</var> is anything but GET or POST,
+      and the <span>origin</span> of <var title="">action</var> is not
+      the <span>same origin</span> as that of the <code>form</code>
+      element's <code>Document</code>, then abort these steps.</p>
+      <!-- CORS, one day -->
+
+      <p>Otherwise, <span>navigate</span> <var title="">target
+      browsing context</var> to <var title="">action</var> using the
+      HTTP method given by <var title="">method</var> and with <var
       title="">entity body</var> as the entity body, of type <var
       title="">MIME type</var>. If <var title="">target browsing
       context</var> was newly created for this purpose by the steps
       <p>Let <var title="">target browsing context</var> be <span>the
       form submission target browsing context</span>.</p>
 
-      <p><span>Navigate</span> <var title="">target browsing
-      context</var> to <var title="">action</var> using the DELETE
-      method. If <var title="">target browsing context</var> was newly
-      created for this purpose by the steps above, then it must be
-      navigated with <span>replacement enabled</span>.</p>
+      <p>If the <span>origin</span> of <var title="">action</var> is
+      not the <span>same origin</span> as that of the
+      <code>form</code> element's <code>Document</code>, then abort
+      these steps.</p> <!-- CORS, one day -->
+
+      <p>Otherwise, <span>navigate</span> <var title="">target
+      browsing context</var> to <var title="">action</var> using the
+      DELETE method. If <var title="">target browsing context</var>
+      was newly created for this purpose by the steps above, then it
+      must be navigated with <span>replacement enabled</span>.</p>
 
      </dd>