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Core: Support passing nonce through jQuery.globalEval

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Fixes gh-4278
Closes gh-4280
Ref gh-3541
Ref gh-4269
This commit is contained in:
Michał Gołębiowski-Owczarek 2019-01-21 18:42:39 +01:00 committed by GitHub
parent e4de8b4626
commit 5bdc85b82b
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GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 64 additions and 17 deletions
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4
src/core.js
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@ -238,8 +238,8 @@ jQuery.extend( {
}, },
// Evaluates a script in a global context // Evaluates a script in a global context
globalEval: function( code ) { globalEval: function( code, options ) {
DOMEval( code ); DOMEval( code, { nonce: options && options.nonce } );
}, },
each: function( obj, callback ) { each: function( obj, callback ) {

27
src/core/DOMEval.js
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@ -10,26 +10,29 @@ define( [
noModule: true noModule: true
}; };
function DOMEval( code, doc, node ) { function DOMEval( code, node, doc ) {
doc = doc || document; doc = doc || document;
var i, var i, val,
script = doc.createElement( "script" ); script = doc.createElement( "script" );
script.text = code; script.text = code;
if ( node ) { if ( node ) {
for ( i in preservedScriptAttributes ) { for ( i in preservedScriptAttributes ) {
if ( node[ i ] ) {
script[ i ] = node[ i ];
} else if ( node.getAttribute( i ) ) {
// Support: Firefox 64+, Edge 18+ // Support: Firefox 64+, Edge 18+
// Some browsers don't support the "nonce" property on scripts. // Some browsers don't support the "nonce" property on scripts.
// On the other hand, just using `setAttribute` & `getAttribute` // On the other hand, just using `getAttribute` is not enough as
// is not enough as `nonce` is no longer exposed as an attribute // the `nonce` attribute is reset to an empty string whenever it
// in the latest standard. // becomes browsing-context connected.
// See https://github.com/whatwg/html/issues/2369 // See https://github.com/whatwg/html/issues/2369
script.setAttribute( i, node.getAttribute( i ) ); // See https://html.spec.whatwg.org/#nonce-attributes
// The `node.getAttribute` check was added for the sake of
// `jQuery.globalEval` so that it can fake a nonce-containing node
// via an object.
val = node[ i ] || node.getAttribute && node.getAttribute( i );
if ( val ) {
script.setAttribute( i, val );
} }
} }
} }

2
src/manipulation.js
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@ -202,7 +202,7 @@ function domManip( collection, args, callback, ignored ) {
jQuery._evalUrl( node.src ); jQuery._evalUrl( node.src );
} }
} else { } else {
DOMEval( node.textContent.replace( rcleanScript, "" ), doc, node ); DOMEval( node.textContent.replace( rcleanScript, "" ), node, doc );
} }
} }
} }

13
test/data/csp-nonce-globaleval.html Normal file
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@ -0,0 +1,13 @@
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>CSP nonce via jQuery.globalEval Test Page</title>
<script nonce="jquery+hardcoded+nonce" src="../jquery.js"></script>
<script nonce="jquery+hardcoded+nonce" src="iframeTest.js"></script>
<script nonce="jquery+hardcoded+nonce" src="csp-nonce-globaleval.js"></script>
</head>
<body>
<p>CSP nonce via jQuery.globalEval Test Page</p>
</body>
</html>

5
test/data/csp-nonce-globaleval.js Normal file
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@ -0,0 +1,5 @@
/* global startIframeTest */
jQuery( function() {
$.globalEval( "startIframeTest()", { nonce: "jquery+hardcoded+nonce" } );
} );

3
test/data/mock.php
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@ -201,9 +201,10 @@ ok( true, "mock executed");';
protected function cspNonce( $req ) { protected function cspNonce( $req ) {
// This is CSP only for browsers with "Content-Security-Policy" header support // This is CSP only for browsers with "Content-Security-Policy" header support
// i.e. no old WebKit or old Firefox // i.e. no old WebKit or old Firefox
$test = $req->query['test'] ? '-' . $req->query['test'] : '';
header( "Content-Security-Policy: script-src 'nonce-jquery+hardcoded+nonce'; report-uri ./mock.php?action=cspLog" ); header( "Content-Security-Policy: script-src 'nonce-jquery+hardcoded+nonce'; report-uri ./mock.php?action=cspLog" );
header( 'Content-type: text/html' ); header( 'Content-type: text/html' );
echo file_get_contents( __DIR__ . '/csp-nonce.html' ); echo file_get_contents( __DIR__ . '/csp-nonce' . $test . '.html' );
} }
protected function cspLog( $req ) { protected function cspLog( $req ) {

4
test/middleware-mockserver.js
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@ -208,11 +208,13 @@ var mocks = {
resp.end( body ); resp.end( body );
}, },
cspNonce: function( req, resp ) { cspNonce: function( req, resp ) {
var testParam = req.query.test ? "-" + req.query.test : "";
resp.writeHead( 200, { resp.writeHead( 200, {
"Content-Type": "text/html", "Content-Type": "text/html",
"Content-Security-Policy": "script-src 'nonce-jquery+hardcoded+nonce'; report-uri /base/test/data/mock.php?action=cspLog" "Content-Security-Policy": "script-src 'nonce-jquery+hardcoded+nonce'; report-uri /base/test/data/mock.php?action=cspLog"
} ); } );
var body = fs.readFileSync( __dirname + "/data/csp-nonce.html" ).toString(); var body = fs.readFileSync(
__dirname + "/data/csp-nonce" + testParam + ".html" ).toString();
resp.end( body ); resp.end( body );
}, },
cspLog: function( req, resp ) { cspLog: function( req, resp ) {

23
test/unit/manipulation.js
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@ -2888,3 +2888,26 @@ testIframe(
// script-src restrictions completely. // script-src restrictions completely.
QUnit[ /\bedge\/|iphone os [789]|android 4\./i.test( navigator.userAgent ) ? "skip" : "test" ] QUnit[ /\bedge\/|iphone os [789]|android 4\./i.test( navigator.userAgent ) ? "skip" : "test" ]
); );
testIframe(
"jQuery.globalEval supports nonce",
"mock.php?action=cspNonce&test=globaleval",
function( assert, jQuery, window, document ) {
var done = assert.async();
assert.expect( 1 );
supportjQuery.get( baseURL + "support/csp.log" ).done( function( data ) {
assert.equal( data, "", "No log request should be sent" );
supportjQuery.get( baseURL + "mock.php?action=cspClean" ).done( done );
} );
},
// Support: Edge 18+, iOS 7-9 only, Android 4.0-4.4 only
// Edge doesn't support nonce in non-inline scripts.
// See https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/13246371/
// Old iOS & Android Browser versions support script-src but not nonce, making this test
// impossible to run. Browsers not supporting CSP at all are not a problem as they'll skip
// script-src restrictions completely.
QUnit[ /\bedge\/|iphone os [789]|android 4\./i.test( navigator.userAgent ) ? "skip" : "test" ]
);