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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/202810">202810</a></dd>
<dt>Author</dt> <dd>commit-queue@webkit.org</dd>
<dt>Date</dt> <dd>2016-07-04 11:31:37 -0700 (Mon, 04 Jul 2016)</dd>
</dl>

<h3>Log Message</h3>
<pre>Shield WebRTC JS built-ins from user scripts
https://bugs.webkit.org/show_bug.cgi?id=155964

Patch by Youenn Fablet &lt;youenn@apple.com&gt; on 2016-07-04
Reviewed by Sam Weinig.

Source/WebCore:

Making use of Promise.prototype.@then instead of Promise.prototype.then.
Covered by updated tests.

* Modules/mediastream/RTCPeerConnection.js:
(createOffer):
(createAnswer):
(setLocalDescription):
(setRemoteDescription):
(addIceCandidate):
(getStats):
* Modules/mediastream/RTCPeerConnectionInternals.js:
(enqueueOperation):

LayoutTests:

* fast/mediastream/RTCPeerConnection-createOffer.html:
* fast/mediastream/RTCPeerConnection-stable.html:</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsChangeLog">trunk/LayoutTests/ChangeLog</a></li>
<li><a href="#trunkLayoutTestsfastmediastreamRTCPeerConnectioncreateOfferhtml">trunk/LayoutTests/fast/mediastream/RTCPeerConnection-createOffer.html</a></li>
<li><a href="#trunkLayoutTestsfastmediastreamRTCPeerConnectionstablehtml">trunk/LayoutTests/fast/mediastream/RTCPeerConnection-stable.html</a></li>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreModulesmediastreamRTCPeerConnectionjs">trunk/Source/WebCore/Modules/mediastream/RTCPeerConnection.js</a></li>
<li><a href="#trunkSourceWebCoreModulesmediastreamRTCPeerConnectionInternalsjs">trunk/Source/WebCore/Modules/mediastream/RTCPeerConnectionInternals.js</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/ChangeLog (202809 => 202810)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/ChangeLog        2016-07-04 15:30:50 UTC (rev 202809)
+++ trunk/LayoutTests/ChangeLog        2016-07-04 18:31:37 UTC (rev 202810)
</span><span class="lines">@@ -1,3 +1,13 @@
</span><ins>+2016-07-04  Youenn Fablet  &lt;youenn@apple.com&gt;
+
+        Shield WebRTC JS built-ins from user scripts
+        https://bugs.webkit.org/show_bug.cgi?id=155964
+
+        Reviewed by Sam Weinig.
+
+        * fast/mediastream/RTCPeerConnection-createOffer.html:
+        * fast/mediastream/RTCPeerConnection-stable.html:
+
</ins><span class="cx"> 2016-07-04  Yusuke Suzuki  &lt;utatane.tea@gmail.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Unreviewed, skip misc-bugs-847389-jpeg2000.js in jsc stress tests
</span></span></pre></div>
<a id="trunkLayoutTestsfastmediastreamRTCPeerConnectioncreateOfferhtml"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/fast/mediastream/RTCPeerConnection-createOffer.html (202809 => 202810)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/mediastream/RTCPeerConnection-createOffer.html        2016-07-04 15:30:50 UTC (rev 202809)
+++ trunk/LayoutTests/fast/mediastream/RTCPeerConnection-createOffer.html        2016-07-04 18:31:37 UTC (rev 202810)
</span><span class="lines">@@ -7,6 +7,13 @@
</span><span class="cx">         &lt;script&gt;
</span><span class="cx">             description(&quot;Tests RTCPeerConnection createOffer.&quot;);
</span><span class="cx"> 
</span><ins>+            // Let's ensure built-ins are shielded from user scripts
+            var thenPromise = Promise.prototype.then;
+            Promise.prototype.then = function() {
+                console.log(&quot;Promise.prototype.then is called internally&quot;);
+                return thenPromise.apply(this, arguments);
+            }
+
</ins><span class="cx">             var pc = null;
</span><span class="cx"> 
</span><span class="cx">             function requestSucceeded3(sd)
</span></span></pre></div>
<a id="trunkLayoutTestsfastmediastreamRTCPeerConnectionstablehtml"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/fast/mediastream/RTCPeerConnection-stable.html (202809 => 202810)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/mediastream/RTCPeerConnection-stable.html        2016-07-04 15:30:50 UTC (rev 202809)
+++ trunk/LayoutTests/fast/mediastream/RTCPeerConnection-stable.html        2016-07-04 18:31:37 UTC (rev 202810)
</span><span class="lines">@@ -9,6 +9,13 @@
</span><span class="cx"> 
</span><span class="cx">             var pc = null;
</span><span class="cx"> 
</span><ins>+            // Let's ensure built-ins are shielded from user scripts
+            var thenPromise = Promise.prototype.then;
+            Promise.prototype.then = function() {
+                console.log(&quot;Promise.prototype.then is called internally&quot;);
+                return thenPromise.apply(this, arguments);
+            }
+
</ins><span class="cx">             function requestSucceeded2()
</span><span class="cx">             {
</span><span class="cx">                 testPassed('setRemoteDescription succeeded.');
</span></span></pre></div>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (202809 => 202810)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2016-07-04 15:30:50 UTC (rev 202809)
+++ trunk/Source/WebCore/ChangeLog        2016-07-04 18:31:37 UTC (rev 202810)
</span><span class="lines">@@ -1,3 +1,23 @@
</span><ins>+2016-07-04  Youenn Fablet  &lt;youenn@apple.com&gt;
+
+        Shield WebRTC JS built-ins from user scripts
+        https://bugs.webkit.org/show_bug.cgi?id=155964
+
+        Reviewed by Sam Weinig.
+
+        Making use of Promise.prototype.@then instead of Promise.prototype.then.
+        Covered by updated tests.
+
+        * Modules/mediastream/RTCPeerConnection.js:
+        (createOffer):
+        (createAnswer):
+        (setLocalDescription):
+        (setRemoteDescription):
+        (addIceCandidate):
+        (getStats):
+        * Modules/mediastream/RTCPeerConnectionInternals.js:
+        (enqueueOperation):
+
</ins><span class="cx"> 2016-07-04  Brady Eidson  &lt;beidson@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         WebProcesses don't handle DatabaseProcess going away uncleanly..
</span></span></pre></div>
<a id="trunkSourceWebCoreModulesmediastreamRTCPeerConnectionjs"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/Modules/mediastream/RTCPeerConnection.js (202809 => 202810)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/Modules/mediastream/RTCPeerConnection.js        2016-07-04 15:30:50 UTC (rev 202809)
+++ trunk/Source/WebCore/Modules/mediastream/RTCPeerConnection.js        2016-07-04 18:31:37 UTC (rev 202810)
</span><span class="lines">@@ -146,7 +146,7 @@
</span><span class="cx">     }, function (successCallback, errorCallback, options) {
</span><span class="cx">         // Legacy callbacks mode
</span><span class="cx">         @enqueueOperation(peerConnection, function () {
</span><del>-            return peerConnection.@queuedCreateOffer(options).then(successCallback, errorCallback);
</del><ins>+            return peerConnection.@queuedCreateOffer(options).@then(successCallback, errorCallback);
</ins><span class="cx">         });
</span><span class="cx"> 
</span><span class="cx">         return @Promise.@resolve(@undefined);
</span><span class="lines">@@ -170,7 +170,7 @@
</span><span class="cx">     }, function (successCallback, errorCallback, options) {
</span><span class="cx">         // Legacy callbacks mode
</span><span class="cx">         @enqueueOperation(peerConnection, function () {
</span><del>-            return peerConnection.@queuedCreateAnswer(options).then(successCallback, errorCallback);
</del><ins>+            return peerConnection.@queuedCreateAnswer(options).@then(successCallback, errorCallback);
</ins><span class="cx">         });
</span><span class="cx"> 
</span><span class="cx">         return @Promise.@resolve(@undefined);
</span><span class="lines">@@ -199,7 +199,7 @@
</span><span class="cx">     }, function (description, successCallback, errorCallback) {
</span><span class="cx">         // Legacy callbacks mode
</span><span class="cx">         @enqueueOperation(peerConnection, function () {
</span><del>-            return peerConnection.@queuedSetLocalDescription(description).then(successCallback, errorCallback);
</del><ins>+            return peerConnection.@queuedSetLocalDescription(description).@then(successCallback, errorCallback);
</ins><span class="cx">         });
</span><span class="cx"> 
</span><span class="cx">         return @Promise.@resolve(@undefined);
</span><span class="lines">@@ -228,7 +228,7 @@
</span><span class="cx">     }, function (description, successCallback, errorCallback) {
</span><span class="cx">         // Legacy callbacks mode
</span><span class="cx">         @enqueueOperation(peerConnection, function () {
</span><del>-            return peerConnection.@queuedSetRemoteDescription(description).then(successCallback, errorCallback);
</del><ins>+            return peerConnection.@queuedSetRemoteDescription(description).@then(successCallback, errorCallback);
</ins><span class="cx">         });
</span><span class="cx"> 
</span><span class="cx">         return @Promise.@resolve(@undefined);
</span><span class="lines">@@ -257,7 +257,7 @@
</span><span class="cx">     }, function (candidate, successCallback, errorCallback) {
</span><span class="cx">         // Legacy callbacks mode
</span><span class="cx">         @enqueueOperation(peerConnection, function () {
</span><del>-            return peerConnection.@queuedAddIceCandidate(candidate).then(successCallback, errorCallback);
</del><ins>+            return peerConnection.@queuedAddIceCandidate(candidate).@then(successCallback, errorCallback);
</ins><span class="cx">         });
</span><span class="cx"> 
</span><span class="cx">         return @Promise.@resolve(@undefined);
</span><span class="lines">@@ -284,7 +284,7 @@
</span><span class="cx">         return peerConnection.@privateGetStats(selector);
</span><span class="cx">     }, function (selector, successCallback, errorCallback) {
</span><span class="cx">         // Legacy callbacks mode
</span><del>-        peerConnection.@privateGetStats(selector).then(successCallback, errorCallback);
</del><ins>+        peerConnection.@privateGetStats(selector).@then(successCallback, errorCallback);
</ins><span class="cx"> 
</span><span class="cx">         return @Promise.@resolve(@undefined);
</span><span class="cx">     });
</span></span></pre></div>
<a id="trunkSourceWebCoreModulesmediastreamRTCPeerConnectionInternalsjs"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/Modules/mediastream/RTCPeerConnectionInternals.js (202809 => 202810)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/Modules/mediastream/RTCPeerConnectionInternals.js        2016-07-04 15:30:50 UTC (rev 202809)
+++ trunk/Source/WebCore/Modules/mediastream/RTCPeerConnectionInternals.js        2016-07-04 18:31:37 UTC (rev 202810)
</span><span class="lines">@@ -46,7 +46,7 @@
</span><span class="cx"> 
</span><span class="cx">     return new @Promise(function (resolve, reject) {
</span><span class="cx">         operations.@push(function() {
</span><del>-            operation().then(resolve, reject).then(runNext, runNext);
</del><ins>+            operation().@then(resolve, reject).@then(runNext, runNext);
</ins><span class="cx">         });
</span><span class="cx"> 
</span><span class="cx">         if (operations.length == 1)
</span></span></pre>
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