Bug 1673889 - Remove topLevelStorageAreaPrincipal. r=timhuang,necko-reviewers,valentin

Differential Revision: https://phabricator.services.mozilla.com/D122364

dom/base/nsGlobalWindowInner.cpp

@@ -5984,37 +5984,6 @@ nsIPrincipal* nsGlobalWindowInner::GetTopLevelAntiTrackingPrincipal() {
   return topLevelPrincipal;
 }
 
-nsIPrincipal* nsGlobalWindowInner::GetTopLevelStorageAreaPrincipal() {
-  if (mDoc && (mDoc->StorageAccessSandboxed())) {
-    // Storage access is disabled
-    return nullptr;
-  }
-
-  BrowsingContext* parent = GetBrowsingContext()->GetParent();
-  nsPIDOMWindowOuter* outerWindow = parent ? parent->GetDOMWindow() : nullptr;
-  if (!outerWindow) {
-    // No outer window available!
-    return nullptr;
-  }
-
-  if (!outerWindow->GetBrowsingContext()->IsTop()) {
-    return nullptr;
-  }
-
-  nsPIDOMWindowInner* innerWindow = outerWindow->GetCurrentInnerWindow();
-  if (NS_WARN_IF(!innerWindow)) {
-    return nullptr;
-  }
-
-  nsIPrincipal* parentPrincipal =
-      nsGlobalWindowInner::Cast(innerWindow)->GetPrincipal();
-  if (NS_WARN_IF(!parentPrincipal)) {
-    return nullptr;
-  }
-
-  return parentPrincipal;
-}
-
 //*****************************************************************************
 // nsGlobalWindowInner: Timeout Functions
 //*****************************************************************************

dom/base/nsGlobalWindowInner.h

@@ -1157,11 +1157,6 @@ class nsGlobalWindowInner final : public mozilla::dom::EventTarget,
   // Get the toplevel principal, returns null if this is a toplevel window.
   nsIPrincipal* GetTopLevelAntiTrackingPrincipal();
 
-  // Get the parent principal, returns null if this or the parent are not a
-  // toplevel window. This is mainly used to determine the anti-tracking storage
-  // area.
-  nsIPrincipal* GetTopLevelStorageAreaPrincipal();
-
   // This method is called if this window loads a 3rd party tracking resource
   // and the storage is just been granted. The window can reset the partitioned
   // storage objects and switch to the first party cookie jar.

ipc/glue/BackgroundUtils.cpp

@@ -411,13 +411,6 @@ nsresult LoadInfoToLoadInfoArgs(nsILoadInfo* aLoadInfo,
     NS_ENSURE_SUCCESS(rv, rv);
   }
 
-  Maybe<PrincipalInfo> topLevelStorageAreaPrincipalInfo;
-  if (nsIPrincipal* prin = aLoadInfo->GetTopLevelStorageAreaPrincipal()) {
-    topLevelStorageAreaPrincipalInfo.emplace();
-    rv = PrincipalToPrincipalInfo(prin, topLevelStorageAreaPrincipalInfo.ptr());
-    NS_ENSURE_SUCCESS(rv, rv);
-  }
-
   Maybe<URIParams> optionalResultPrincipalURI;
   nsCOMPtr<nsIURI> resultPrincipalURI;
   Unused << aLoadInfo->GetResultPrincipalURI(
@@ -495,10 +488,9 @@ nsresult LoadInfoToLoadInfoArgs(nsILoadInfo* aLoadInfo,
 
   *aOptionalLoadInfoArgs = Some(LoadInfoArgs(
       loadingPrincipalInfo, triggeringPrincipalInfo, principalToInheritInfo,
-      topLevelPrincipalInfo, topLevelStorageAreaPrincipalInfo,
-      optionalResultPrincipalURI, aLoadInfo->GetSandboxedNullPrincipalID(),
-      aLoadInfo->GetSecurityFlags(), aLoadInfo->GetSandboxFlags(),
-      aLoadInfo->GetTriggeringSandboxFlags(),
+      topLevelPrincipalInfo, optionalResultPrincipalURI,
+      aLoadInfo->GetSandboxedNullPrincipalID(), aLoadInfo->GetSecurityFlags(),
+      aLoadInfo->GetSandboxFlags(), aLoadInfo->GetTriggeringSandboxFlags(),
       aLoadInfo->InternalContentPolicyType(),
       static_cast<uint32_t>(aLoadInfo->GetTainting()),
       aLoadInfo->GetBlockAllMixedContent(),
@@ -639,16 +631,6 @@ nsresult LoadInfoArgsToLoadInfo(
     topLevelPrincipal = topLevelPrincipalOrErr.unwrap();
   }
 
-  nsCOMPtr<nsIPrincipal> topLevelStorageAreaPrincipal;
-  if (loadInfoArgs.topLevelStorageAreaPrincipalInfo().isSome()) {
-    auto topLevelStorageAreaPrincipalOrErr = PrincipalInfoToPrincipal(
-        loadInfoArgs.topLevelStorageAreaPrincipalInfo().ref());
-    if (NS_WARN_IF(topLevelStorageAreaPrincipalOrErr.isErr())) {
-      return topLevelStorageAreaPrincipalOrErr.unwrapErr();
-    }
-    topLevelStorageAreaPrincipal = topLevelStorageAreaPrincipalOrErr.unwrap();
-  }
-
   nsCOMPtr<nsIURI> resultPrincipalURI;
   if (loadInfoArgs.resultPrincipalURI().isSome()) {
     resultPrincipalURI = DeserializeURI(loadInfoArgs.resultPrincipalURI());
@@ -744,11 +726,11 @@ nsresult LoadInfoArgsToLoadInfo(
 
   RefPtr<mozilla::net::LoadInfo> loadInfo = new mozilla::net::LoadInfo(
       loadingPrincipal, triggeringPrincipal, principalToInherit,
-      topLevelPrincipal, topLevelStorageAreaPrincipal, resultPrincipalURI,
-      cookieJarSettings, cspToInherit, loadInfoArgs.sandboxedNullPrincipalID(),
-      clientInfo, reservedClientInfo, initialClientInfo, controller,
-      loadInfoArgs.securityFlags(), loadInfoArgs.sandboxFlags(),
-      loadInfoArgs.triggeringSandboxFlags(), loadInfoArgs.contentPolicyType(),
+      topLevelPrincipal, resultPrincipalURI, cookieJarSettings, cspToInherit,
+      loadInfoArgs.sandboxedNullPrincipalID(), clientInfo, reservedClientInfo,
+      initialClientInfo, controller, loadInfoArgs.securityFlags(),
+      loadInfoArgs.sandboxFlags(), loadInfoArgs.triggeringSandboxFlags(),
+      loadInfoArgs.contentPolicyType(),
       static_cast<LoadTainting>(loadInfoArgs.tainting()),
       loadInfoArgs.blockAllMixedContent(),
       loadInfoArgs.upgradeInsecureRequests(),

netwerk/base/LoadInfo.cpp

@@ -183,27 +183,13 @@ LoadInfo::LoadInfo(
       if (innerWindow) {
         mTopLevelPrincipal = innerWindow->GetTopLevelAntiTrackingPrincipal();
 
-        // The top-level-storage-area-principal is not null only for the first
-        // level of iframes (null for top-level contexts, and null for
-        // sub-iframes). If we are loading a sub-document resource, we must
-        // calculate what the top-level-storage-area-principal will be for the
-        // new context.
-        if (externalType != ExtContentPolicy::TYPE_SUBDOCUMENT) {
-          mTopLevelStorageAreaPrincipal =
-              innerWindow->GetTopLevelStorageAreaPrincipal();
-        } else if (bc->IsTop()) {
-          Document* doc = innerWindow->GetExtantDoc();
-          if (!doc || (!doc->StorageAccessSandboxed())) {
-            mTopLevelStorageAreaPrincipal = innerWindow->GetPrincipal();
-          }
-
+        if (!mTopLevelPrincipal &&
+            externalType == ExtContentPolicy::TYPE_SUBDOCUMENT && bc->IsTop()) {
           // If this is the first level iframe, innerWindow is our top-level
           // principal.
-          if (!mTopLevelPrincipal) {
           mTopLevelPrincipal = innerWindow->GetPrincipal();
         }
       }
-      }
 
       // Let's inherit the cookie behavior and permission from the parent
       // document.
@@ -353,8 +339,6 @@ LoadInfo::LoadInfo(nsPIDOMWindowOuter* aOuterWindow,
       nsGlobalWindowInner::Cast(aOuterWindow->GetCurrentInnerWindow());
   if (innerWindow) {
     mTopLevelPrincipal = innerWindow->GetTopLevelAntiTrackingPrincipal();
-    // mTopLevelStorageAreaPrincipal is always null for top-level document
-    // loading.
   }
 
   // get the docshell from the outerwindow, and then get the originattributes
@@ -469,22 +453,11 @@ LoadInfo::LoadInfo(dom::WindowGlobalParent* aParentWGP,
     }
   }
 
-  // The top-level-storage-area-principal is not null only for the first
-  // level of iframes (null for top-level contexts, and null for
-  // sub-iframes). If we are loading a sub-document resource, we must
-  // calculate what the top-level-storage-area-principal will be for the
-  // new context.
-  if (parentBC->IsTop()) {
-    if (!Document::StorageAccessSandboxed(aParentWGP->SandboxFlags())) {
-      mTopLevelStorageAreaPrincipal = aParentWGP->DocumentPrincipal();
-    }
-
+  if (!mTopLevelPrincipal && parentBC->IsTop()) {
     // If this is the first level iframe, embedder WindowGlobalParent's document
     // principal is our top-level principal.
-    if (!mTopLevelPrincipal) {
     mTopLevelPrincipal = aParentWGP->DocumentPrincipal();
   }
-  }
 
   mInnerWindowID = aParentWGP->InnerWindowId();
   mDocumentHasUserInteracted = aParentWGP->DocumentHasUserInteracted();
@@ -546,7 +519,6 @@ LoadInfo::LoadInfo(const LoadInfo& rhs)
       mTriggeringPrincipal(rhs.mTriggeringPrincipal),
       mPrincipalToInherit(rhs.mPrincipalToInherit),
       mTopLevelPrincipal(rhs.mTopLevelPrincipal),
-      mTopLevelStorageAreaPrincipal(rhs.mTopLevelStorageAreaPrincipal),
       mResultPrincipalURI(rhs.mResultPrincipalURI),
       mCookieJarSettings(rhs.mCookieJarSettings),
       mCspToInherit(rhs.mCspToInherit),
@@ -621,8 +593,7 @@ LoadInfo::LoadInfo(const LoadInfo& rhs)
 LoadInfo::LoadInfo(
     nsIPrincipal* aLoadingPrincipal, nsIPrincipal* aTriggeringPrincipal,
     nsIPrincipal* aPrincipalToInherit, nsIPrincipal* aTopLevelPrincipal,
-    nsIPrincipal* aTopLevelStorageAreaPrincipal, nsIURI* aResultPrincipalURI,
-    nsICookieJarSettings* aCookieJarSettings,
+    nsIURI* aResultPrincipalURI, nsICookieJarSettings* aCookieJarSettings,
     nsIContentSecurityPolicy* aCspToInherit,
     const nsID& aSandboxedNullPrincipalID, const Maybe<ClientInfo>& aClientInfo,
     const Maybe<ClientInfo>& aReservedClientInfo,
@@ -661,7 +632,6 @@ LoadInfo::LoadInfo(
       mTriggeringPrincipal(aTriggeringPrincipal),
       mPrincipalToInherit(aPrincipalToInherit),
       mTopLevelPrincipal(aTopLevelPrincipal),
-      mTopLevelStorageAreaPrincipal(aTopLevelStorageAreaPrincipal),
       mResultPrincipalURI(aResultPrincipalURI),
       mCookieJarSettings(aCookieJarSettings),
       mCspToInherit(aCspToInherit),
@@ -866,10 +836,6 @@ void LoadInfo::ResetSandboxedNullPrincipalID() {
 
 nsIPrincipal* LoadInfo::GetTopLevelPrincipal() { return mTopLevelPrincipal; }
 
-nsIPrincipal* LoadInfo::GetTopLevelStorageAreaPrincipal() {
-  return mTopLevelStorageAreaPrincipal;
-}
-
 NS_IMETHODIMP
 LoadInfo::GetLoadingDocument(Document** aResult) {
   if (nsCOMPtr<nsINode> node = do_QueryReferent(mLoadingContext)) {

netwerk/base/LoadInfo.h

@@ -186,8 +186,7 @@ class LoadInfo final : public nsILoadInfo {
   LoadInfo(
       nsIPrincipal* aLoadingPrincipal, nsIPrincipal* aTriggeringPrincipal,
       nsIPrincipal* aPrincipalToInherit, nsIPrincipal* aTopLevelPrincipal,
-      nsIPrincipal* aTopLevelStorageAreaPrincipal, nsIURI* aResultPrincipalURI,
-      nsICookieJarSettings* aCookieJarSettings,
+      nsIURI* aResultPrincipalURI, nsICookieJarSettings* aCookieJarSettings,
       nsIContentSecurityPolicy* aCspToInherit,
       const nsID& aSandboxedNullPrincipalID,
       const Maybe<mozilla::dom::ClientInfo>& aClientInfo,
@@ -261,7 +260,6 @@ class LoadInfo final : public nsILoadInfo {
   nsCOMPtr<nsIPrincipal> mTriggeringPrincipal;
   nsCOMPtr<nsIPrincipal> mPrincipalToInherit;
   nsCOMPtr<nsIPrincipal> mTopLevelPrincipal;
-  nsCOMPtr<nsIPrincipal> mTopLevelStorageAreaPrincipal;
   nsCOMPtr<nsIURI> mResultPrincipalURI;
   nsCOMPtr<nsICSPEventListener> mCSPEventListener;
   nsCOMPtr<nsICookieJarSettings> mCookieJarSettings;

netwerk/base/TRRLoadInfo.cpp

@@ -66,8 +66,6 @@ void TRRLoadInfo::ResetSandboxedNullPrincipalID() {}
 
 nsIPrincipal* TRRLoadInfo::GetTopLevelPrincipal() { return nullptr; }
 
-nsIPrincipal* TRRLoadInfo::GetTopLevelStorageAreaPrincipal() { return nullptr; }
-
 NS_IMETHODIMP
 TRRLoadInfo::GetLoadingDocument(Document** aResult) {
   return NS_ERROR_NOT_IMPLEMENTED;

netwerk/base/nsILoadInfo.idl

@@ -1046,13 +1046,6 @@ interface nsILoadInfo : nsISupports
    */
   [notxpcom, nostdcall] readonly attribute nsIPrincipal topLevelPrincipal;
 
-  /**
-   * Return the top-level storage area principal, which is the principal of
-   * the top-level window if it's not a 3rd party context, non tracking
-   * resource.
-   */
-  [notxpcom, nostdcall] readonly attribute nsIPrincipal topLevelStorageAreaPrincipal;
-
   /**
    * Note which client (i.e. global) initiated this network request.  All
    * nsGlobalWindow and WorkerPrivate can be converted to a ClientInfo to

netwerk/ipc/NeckoChannelParams.ipdlh

@@ -83,7 +83,6 @@ struct LoadInfoArgs
   PrincipalInfo               triggeringPrincipalInfo;
   PrincipalInfo?              principalToInheritInfo;
   PrincipalInfo?              topLevelPrincipalInfo;
-  PrincipalInfo?              topLevelStorageAreaPrincipalInfo;
   URIParams?                  resultPrincipalURI;
   nsID                        sandboxedNullPrincipalID;
   uint32_t                    securityFlags;