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[tor-commits] [tor-browser/tor-browser-45.4.0esr-6.5-1] Bug 20043: Isolate SharedWorker script requests to first party



commit 22e6c335a74f08d37dd0e2daec9951dd4d0cc89d
Author: Arthur Edelstein <arthuredelstein@xxxxxxxxx>
Date:   Thu Sep 22 05:49:07 2016 +0000

    Bug 20043: Isolate SharedWorker script requests to first party
---
 dom/workers/WorkerPrivate.cpp | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/dom/workers/WorkerPrivate.cpp b/dom/workers/WorkerPrivate.cpp
index 830712e..2ac0c0f 100644
--- a/dom/workers/WorkerPrivate.cpp
+++ b/dom/workers/WorkerPrivate.cpp
@@ -4396,6 +4396,25 @@ WorkerPrivate::GetLoadInfo(JSContext* aCx, nsPIDOMWindow* aWindow,
                                         getter_AddRefs(loadInfo.mChannel));
     NS_ENSURE_SUCCESS(rv, rv);
 
+    // If this is a SharedWorker and we have an isolation key, use it as the
+    // DocumentURI for this channel. Ensures we get the right first-party domain.
+    if ((aWorkerType == WorkerTypeShared || aWorkerType == WorkerTypeService) &&
+        !loadInfo.mIsolationKey.IsEmpty()) {
+      nsCOMPtr<nsIHttpChannelInternal> channelInternal(do_QueryInterface(loadInfo.mChannel));
+      if (channelInternal) {
+        nsCString documentURISpec("https://";);
+        documentURISpec.Append(loadInfo.mIsolationKey);
+        nsCOMPtr<nsIURI> documentURI;
+        nsresult rv = NS_NewURI(getter_AddRefs(documentURI), documentURISpec);
+        if (NS_SUCCEEDED(rv)) {
+          channelInternal->SetDocumentURI(documentURI);
+        } else {
+          NS_WARNING("Unable to set the documentURI for SharedWorker's "
+                     "loading channel.");
+        }
+      }
+    }
+
     rv = NS_GetFinalChannelURI(loadInfo.mChannel,
                                getter_AddRefs(loadInfo.mResolvedScriptURI));
     NS_ENSURE_SUCCESS(rv, rv);



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