Bug 1268726 - isolate shared worker by first party domain. r=baku

Tor 15564: Isolate SharedWorker by first party domain
uplift/refactor by Dave Huseby <dhuseby@mozilla.com>

review tweaks

dom/base/nsContentUtils.cpp

@@ -3097,6 +3097,48 @@ nsContentUtils::CanLoadImage(nsIURI* aURI, nsISupports* aContext,
   return NS_FAILED(rv) ? false : NS_CP_ACCEPTED(decision);
 }
 
+// static
+mozilla::PrincipalOriginAttributes
+nsContentUtils::GetOriginAttributes(nsIDocument* aDocument)
+{
+  if (!aDocument) {
+    return mozilla::PrincipalOriginAttributes();
+  }
+
+  nsCOMPtr<nsILoadGroup> loadGroup = aDocument->GetDocumentLoadGroup();
+  if (loadGroup) {
+    return GetOriginAttributes(loadGroup);
+  }
+
+  mozilla::PrincipalOriginAttributes attrs;
+  mozilla::NeckoOriginAttributes nattrs;
+  nsCOMPtr<nsIChannel> channel = aDocument->GetChannel();
+  if (channel && NS_GetOriginAttributes(channel, nattrs)) {
+    attrs.InheritFromNecko(nattrs);
+  }
+  return attrs;
+}
+
+// static
+mozilla::PrincipalOriginAttributes
+nsContentUtils::GetOriginAttributes(nsILoadGroup* aLoadGroup)
+{
+  if (!aLoadGroup) {
+    return mozilla::PrincipalOriginAttributes();
+  }
+  mozilla::PrincipalOriginAttributes attrs;
+  mozilla::DocShellOriginAttributes dsattrs;
+  nsCOMPtr<nsIInterfaceRequestor> callbacks;
+  aLoadGroup->GetNotificationCallbacks(getter_AddRefs(callbacks));
+  if (callbacks) {
+    nsCOMPtr<nsILoadContext> loadContext = do_GetInterface(callbacks);
+    if (loadContext && loadContext->GetOriginAttributes(dsattrs)) {
+      attrs.InheritFromDocShellToDoc(dsattrs, nullptr);
+    }
+  }
+  return attrs;
+}
+
 // static
 bool
 nsContentUtils::IsInPrivateBrowsing(nsIDocument* aDoc)

dom/base/nsContentUtils.h

@@ -785,6 +785,18 @@ public:
                                bool aIsForWindow,
                                uint32_t *aArgCount, const char*** aArgNames);
 
+  /**
+   * Returns origin attributes of the document.
+   **/
+  static mozilla::PrincipalOriginAttributes
+  GetOriginAttributes(nsIDocument* aDoc);
+
+  /**
+   * Returns origin attributes of the load group.
+   **/
+  static mozilla::PrincipalOriginAttributes
+  GetOriginAttributes(nsILoadGroup* aLoadGroup);
+
   /**
    * Returns true if this document is in a Private Browsing window.
    */

dom/cache/CacheStorage.cpp

@@ -196,7 +196,7 @@ CacheStorage::CreateOnWorker(Namespace aNamespace, nsIGlobalObject* aGlobal,
     return ref.forget();
   }
 
-  if (aWorkerPrivate->IsInPrivateBrowsing()) {
+  if (aWorkerPrivate->GetOriginAttributes().mPrivateBrowsingId > 0) {
     NS_WARNING("CacheStorage not supported during private browsing.");
     RefPtr<CacheStorage> ref = new CacheStorage(NS_ERROR_DOM_SECURITY_ERR);
     return ref.forget();

dom/workers/RuntimeService.cpp

@@ -245,29 +245,24 @@ GetWorkerPref(const nsACString& aPref,
   return result;
 }
 
-// This function creates a key for a SharedWorker composed by "name|scriptSpec".
-// If the name contains a '|', this will be replaced by '||'.
+// This fn creates a key for a SharedWorker that contains the name, script
+// spec, and the serialized origin attributes:
+// "name|scriptSpec^key1=val1&key2=val2&key3=val3"
 void
-GenerateSharedWorkerKey(const nsACString& aScriptSpec, const nsACString& aName,
-                        bool aPrivateBrowsing, nsCString& aKey)
+GenerateSharedWorkerKey(const nsACString& aScriptSpec,
+                        const nsACString& aName,
+                        const PrincipalOriginAttributes& aAttrs,
+                        nsCString& aKey)
 {
+  nsAutoCString suffix;
+  aAttrs.CreateSuffix(suffix);
+
   aKey.Truncate();
-  aKey.SetCapacity(aScriptSpec.Length() + aName.Length() + 3);
-  aKey.Append(aPrivateBrowsing ? "1|" : "0|");
-
-  nsACString::const_iterator start, end;
-  aName.BeginReading(start);
-  aName.EndReading(end);
-  for (; start != end; ++start) {
-    if (*start == '|') {
-      aKey.AppendASCII("||");
-    } else {
-      aKey.Append(*start);
-    }
-  }
-
+  aKey.SetCapacity(aName.Length() + aScriptSpec.Length() + suffix.Length() + 2);
+  aKey.Append(aName);
   aKey.Append('|');
   aKey.Append(aScriptSpec);
+  aKey.Append(suffix);
 }
 
 void
@@ -1641,7 +1636,7 @@ RuntimeService::RegisterWorker(WorkerPrivate* aWorkerPrivate)
       const nsCString& sharedWorkerName = aWorkerPrivate->WorkerName();
       nsAutoCString key;
       GenerateSharedWorkerKey(sharedWorkerScriptSpec, sharedWorkerName,
-                              aWorkerPrivate->IsInPrivateBrowsing(), key);
+                              aWorkerPrivate->GetOriginAttributes(), key);
       MOZ_ASSERT(!domainInfo->mSharedWorkerInfos.Get(key));
 
       SharedWorkerInfo* sharedWorkerInfo =
@@ -1718,7 +1713,7 @@ RuntimeService::RemoveSharedWorker(WorkerDomainInfo* aDomainInfo,
 #ifdef DEBUG
       nsAutoCString key;
       GenerateSharedWorkerKey(data->mScriptSpec, data->mName,
-                              aWorkerPrivate->IsInPrivateBrowsing(), key);
+                              aWorkerPrivate->GetOriginAttributes(), key);
       MOZ_ASSERT(iter.Key() == key);
 #endif
       iter.Remove();
@@ -2434,9 +2429,10 @@ RuntimeService::CreateSharedWorkerFromLoadInfo(JSContext* aCx,
     nsresult rv = aLoadInfo->mResolvedScriptURI->GetSpec(scriptSpec);
     NS_ENSURE_SUCCESS(rv, rv);
 
+    MOZ_ASSERT(aLoadInfo->mPrincipal);
     nsAutoCString key;
     GenerateSharedWorkerKey(scriptSpec, aName,
-                            aLoadInfo->mPrivateBrowsing, key);
+        BasePrincipal::Cast(aLoadInfo->mPrincipal)->OriginAttributesRef(), key);
 
     if (mDomainMap.Get(aLoadInfo->mDomain, &domainInfo) &&
         domainInfo->mSharedWorkerInfos.Get(key, &sharedWorkerInfo)) {

dom/workers/ScriptLoader.cpp

@@ -350,7 +350,7 @@ public:
 
   explicit CacheCreator(WorkerPrivate* aWorkerPrivate)
     : mCacheName(aWorkerPrivate->ServiceWorkerCacheName())
-    , mPrivateBrowsing(aWorkerPrivate->IsInPrivateBrowsing())
+    , mOriginAttributes(aWorkerPrivate->GetOriginAttributes())
   {
     MOZ_ASSERT(aWorkerPrivate->IsServiceWorker());
     MOZ_ASSERT(aWorkerPrivate->LoadScriptAsPartOfLoadingServiceWorkerScript());
@@ -411,7 +411,7 @@ private:
   nsTArray<RefPtr<CacheScriptLoader>> mLoaders;
 
   nsString mCacheName;
-  bool mPrivateBrowsing;
+  PrincipalOriginAttributes mOriginAttributes;
 };
 
 NS_IMPL_ISUPPORTS0(CacheCreator)
@@ -1467,7 +1467,7 @@ CacheCreator::CreateCacheStorage(nsIPrincipal* aPrincipal)
   // If we're in private browsing mode, don't even try to create the
   // CacheStorage.  Instead, just fail immediately to terminate the
   // ServiceWorker load.
-  if (NS_WARN_IF(mPrivateBrowsing)) {
+  if (NS_WARN_IF(mOriginAttributes.mPrivateBrowsingId > 0)) {
     return NS_ERROR_DOM_SECURITY_ERR;
   }
 
@@ -1478,7 +1478,8 @@ CacheCreator::CreateCacheStorage(nsIPrincipal* aPrincipal)
   mCacheStorage =
     CacheStorage::CreateOnMainThread(mozilla::dom::cache::CHROME_ONLY_NAMESPACE,
                                      mSandboxGlobalObject,
-                                     aPrincipal, mPrivateBrowsing,
+                                     aPrincipal,
+                                     false, /* privateBrowsing can't be true here */
                                      true /* force trusted origin */,
                                      error);
   if (NS_WARN_IF(error.Failed())) {

dom/workers/ServiceWorkerInfo.cpp

@@ -160,6 +160,8 @@ ServiceWorkerInfo::ServiceWorkerInfo(nsIPrincipal* aPrincipal,
   , mSkipWaitingFlag(false)
 {
   MOZ_ASSERT(mPrincipal);
+  // cache origin attributes so we can use them off main thread
+  mOriginAttributes = BasePrincipal::Cast(mPrincipal)->OriginAttributesRef();
   MOZ_ASSERT(!mScope.IsEmpty());
   MOZ_ASSERT(!mScriptSpec.IsEmpty());
   MOZ_ASSERT(!mCacheName.IsEmpty());

dom/workers/ServiceWorkerInfo.h

@@ -31,6 +31,7 @@ private:
   const nsCString mScriptSpec;
   const nsString mCacheName;
   ServiceWorkerState mState;
+  PrincipalOriginAttributes mOriginAttributes;
 
   // This id is shared with WorkerPrivate to match requests issued by service
   // workers to their corresponding serviceWorkerInfo.
@@ -104,6 +105,12 @@ public:
     return mState;
   }
 
+  const PrincipalOriginAttributes&
+  GetOriginAttributes() const
+  {
+    return mOriginAttributes;
+  }
+
   const nsString&
   CacheName() const
   {

dom/workers/ServiceWorkerPrivate.cpp

@@ -1714,7 +1714,7 @@ ServiceWorkerPrivate::SpawnWorkerIfNeeded(WakeUpReason aWhy,
   nsContentUtils::StorageAccess access =
     nsContentUtils::StorageAllowedForPrincipal(info.mPrincipal);
   info.mStorageAllowed = access > nsContentUtils::StorageAccess::ePrivateBrowsing;
-  info.mPrivateBrowsing = false;
+  info.mOriginAttributes = mInfo->GetOriginAttributes();
 
   nsCOMPtr<nsIContentSecurityPolicy> csp;
   rv = info.mPrincipal->GetCsp(getter_AddRefs(csp));

dom/workers/WorkerPrivate.cpp

@@ -1739,7 +1739,6 @@ WorkerLoadInfo::WorkerLoadInfo()
   , mXHRParamsAllowed(false)
   , mPrincipalIsSystem(false)
   , mStorageAllowed(false)
-  , mPrivateBrowsing(true)
   , mServiceWorkersTestingInWindow(false)
 {
   MOZ_COUNT_CTOR(WorkerLoadInfo);
@@ -1797,8 +1796,8 @@ WorkerLoadInfo::StealFrom(WorkerLoadInfo& aOther)
   mXHRParamsAllowed = aOther.mXHRParamsAllowed;
   mPrincipalIsSystem = aOther.mPrincipalIsSystem;
   mStorageAllowed = aOther.mStorageAllowed;
-  mPrivateBrowsing = aOther.mPrivateBrowsing;
   mServiceWorkersTestingInWindow = aOther.mServiceWorkersTestingInWindow;
+  mOriginAttributes = aOther.mOriginAttributes;
 }
 
 template <class Derived>
@@ -3426,7 +3425,7 @@ WorkerPrivateParent<Derived>::SetPrincipal(nsIPrincipal* aPrincipal,
   mLoadInfo.mLoadGroup = aLoadGroup;
 
   mLoadInfo.mPrincipalInfo = new PrincipalInfo();
-  mLoadInfo.mPrivateBrowsing = nsContentUtils::IsInPrivateBrowsing(aLoadGroup);
+  mLoadInfo.mOriginAttributes = nsContentUtils::GetOriginAttributes(aLoadGroup);
 
   MOZ_ALWAYS_SUCCEEDS(
     PrincipalToPrincipalInfo(aPrincipal, mLoadInfo.mPrincipalInfo));
@@ -4193,7 +4192,7 @@ WorkerPrivate::GetLoadInfo(JSContext* aCx, nsPIDOMWindowInner* aWindow,
     loadInfo.mFromWindow = aParent->IsFromWindow();
     loadInfo.mWindowID = aParent->WindowID();
     loadInfo.mStorageAllowed = aParent->IsStorageAllowed();
-    loadInfo.mPrivateBrowsing = aParent->IsInPrivateBrowsing();
+    loadInfo.mOriginAttributes = aParent->GetOriginAttributes();
     loadInfo.mServiceWorkersTestingInWindow =
       aParent->ServiceWorkersTestingInWindow();
   } else {
@@ -4317,7 +4316,7 @@ WorkerPrivate::GetLoadInfo(JSContext* aCx, nsPIDOMWindowInner* aWindow,
       nsContentUtils::StorageAccess access =
         nsContentUtils::StorageAllowedForWindow(globalWindow);
       loadInfo.mStorageAllowed = access > nsContentUtils::StorageAccess::eDeny;
-      loadInfo.mPrivateBrowsing = nsContentUtils::IsInPrivateBrowsing(document);
+      loadInfo.mOriginAttributes = nsContentUtils::GetOriginAttributes(document);
     } else {
       // Not a window
       MOZ_ASSERT(isChrome);
@@ -4359,7 +4358,7 @@ WorkerPrivate::GetLoadInfo(JSContext* aCx, nsPIDOMWindowInner* aWindow,
       loadInfo.mFromWindow = false;
       loadInfo.mWindowID = UINT64_MAX;
       loadInfo.mStorageAllowed = true;
-      loadInfo.mPrivateBrowsing = false;
+      loadInfo.mOriginAttributes = PrincipalOriginAttributes();
     }
 
     MOZ_ASSERT(loadInfo.mPrincipal);

dom/workers/WorkerPrivate.h

@@ -783,10 +783,10 @@ public:
     return mLoadInfo.mStorageAllowed;
   }
 
-  bool
-  IsInPrivateBrowsing() const
+  const PrincipalOriginAttributes&
+  GetOriginAttributes() const
   {
-    return mLoadInfo.mPrivateBrowsing;
+    return mLoadInfo.mOriginAttributes;
   }
 
   // Determine if the SW testing per-window flag is set by devtools

dom/workers/Workers.h

@@ -269,8 +269,8 @@ struct WorkerLoadInfo
   bool mXHRParamsAllowed;
   bool mPrincipalIsSystem;
   bool mStorageAllowed;
-  bool mPrivateBrowsing;
   bool mServiceWorkersTestingInWindow;
+  PrincipalOriginAttributes mOriginAttributes;
 
   WorkerLoadInfo();
   ~WorkerLoadInfo();