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Fix bug 605167. r=peterv

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This commit is contained in:
Blake Kaplan 2010-10-18 15:21:50 -07:00
parent 6a9a5ebb06
commit a00685f551
4 changed files with 79 additions and 6 deletions
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5
dom/base/nsDOMClassInfo.cpp
View File

@ -7016,6 +7016,11 @@ nsWindowSH::OuterObject(nsIXPConnectWrappedNative *wrapper, JSContext * cx,
return NS_OK;
}
if (!JS_WrapObject(cx, &winObj)) {
*_retval = nsnull;
return NS_ERROR_UNEXPECTED;
}
*_retval = winObj;
return NS_OK;
}

1
js/src/xpconnect/tests/mochitest/Makefile.in
View File

@ -74,6 +74,7 @@ _TEST_FILES = bug500931_helper.html \
test_frameWrapping.html \
test_bug589028.html \
bug589028_helper.html \
test_bug605167.html \
$(NULL)
#test_bug484107.html \

56
js/src/xpconnect/tests/mochitest/test_bug605167.html Normal file
View File

@ -0,0 +1,56 @@
<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=505915
-->
<head>
<title>Test for Bug 505915</title>
<script type="application/javascript" src="/MochiKit/packed.js"></script>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=505915">Mozilla Bug 505915</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script type="application/javascript;version=1.7">
/** Test for Bug 505915 **/
var dataUrl = "data:text/html,<script>parent.f = function() { return this; };<" + "/script>";
var targetUrl = "http://example.com";
var f;
var p = 0;
function go() {
switch (++p) {
case 1:
frames[0].location = dataUrl;
break;
case 2:
frames[0].location = targetUrl;
break;
case 3:
try {
f().cross_origin_property;
ok(false, "should have thrown an exception");
} catch (e) {
ok(/Permission denied/.test(e), "threw the correct exception");
}
SimpleTest.finish();
break;
}
}
SimpleTest.waitForExplicitFinish();
</script>
</pre>
<iframe id="ifr" onload="go();"></iframe>
</body>
</html>

23
js/src/xpconnect/wrappers/WrapperFactory.cpp
View File

@ -77,6 +77,19 @@ DoubleWrap(JSContext *cx, JSObject *obj, uintN flags)
return obj;
}
static JSObject *
GetCurrentOuter(JSContext *cx, JSObject *obj)
{
OBJ_TO_OUTER_OBJECT(cx, obj);
if (obj->isWrapper() && !obj->getClass()->ext.innerObject) {
obj = obj->unwrap();
NS_ASSERTION(obj->getClass()->ext.innerObject,
"weird object, expecting an outer window proxy");
}
return obj;
}
JSObject *
WrapperFactory::PrepareForWrapping(JSContext *cx, JSObject *scope, JSObject *obj, uintN flags)
{
@ -94,9 +107,9 @@ WrapperFactory::PrepareForWrapping(JSContext *cx, JSObject *scope, JSObject *obj
return nsnull;
// We only hand out outer objects to script.
OBJ_TO_OUTER_OBJECT(cx, obj);
if (!obj)
return nsnull;
GetCurrentOuter(cx, obj);
if (obj->getClass()->ext.innerObject)
return DoubleWrap(cx, obj, flags);
// Now, our object is ready to be wrapped, but several objects (notably
// nsJSIIDs) have a wrapper per scope. If we are about to wrap one of
@ -285,9 +298,7 @@ WrapperFactory::WaiveXrayAndWrap(JSContext *cx, jsval *vp)
// We have to make sure that if we're wrapping an outer window, that
// the .wrappedJSObject also wraps the outer window.
OBJ_TO_OUTER_OBJECT(cx, obj);
if (!obj)
return false;
obj = GetCurrentOuter(cx, obj);
{
js::SwitchToCompartment sc(cx, obj->compartment());