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Add another tweak for handling CSP - we need to make sure that we don't trigger any eval on load (not sure if it's the best tweak, definitely not ideal). Add a test page as well so that it's easier to catch problem.

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This commit is contained in:
John Resig 2011-01-18 15:13:09 -05:00
parent c1d719b580
commit 9c763ad39d
2 changed files with 40 additions and 1 deletions
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9
src/support.js
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@ -101,6 +101,7 @@
// release memory in IE // release memory in IE
root = script = id = null; root = script = id = null;
} }
return jQuery.support._scriptEval; return jQuery.support._scriptEval;
}; };
@ -187,6 +188,14 @@
var el = document.createElement("div"); var el = document.createElement("div");
eventName = "on" + eventName; eventName = "on" + eventName;
// We only care about the case where non-standard event systems
// are used, namely in IE. Short-circuiting here helps us to
// avoid an eval call (in setAttribute) which can cause CSP
// to go haywire. See: https://developer.mozilla.org/en/Security/CSP
if ( !el.attachEvent ) {
return true;
}
var isSupported = (eventName in el); var isSupported = (eventName in el);
if ( !isSupported ) { if ( !isSupported ) {
el.setAttribute(eventName, "return;"); el.setAttribute(eventName, "return;");

30
test/csp.php Normal file
View file

@ -0,0 +1,30 @@
<?php header("X-Content-Security-Policy-Report-Only: allow *"); ?>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>CSP Test Page</title>
<script src="../src/core.js"></script>
<script src="../src/support.js"></script>
<script src="../src/data.js"></script>
<script src="../src/queue.js"></script>
<script src="../src/attributes.js"></script>
<script src="../src/event.js"></script>
<script src="../src/sizzle/sizzle.js"></script>
<script src="../src/sizzle-jquery.js"></script>
<script src="../src/traversing.js"></script>
<script src="../src/manipulation.js"></script>
<script src="../src/css.js"></script>
<script src="../src/ajax.js"></script>
<script src="../src/ajax/jsonp.js"></script>
<script src="../src/ajax/script.js"></script>
<script src="../src/ajax/xhr.js"></script>
<script src="../src/effects.js"></script>
<script src="../src/offset.js"></script>
<script src="../src/dimensions.js"></script>
</head>
<body>
<p>CSP Test Page</p>
</body>
</html>