Bug 1437057 - Expose the origin of a cookie to JS, r=mayhemer

Differential Revision: https://phabricator.services.mozilla.com/D67589

--HG--
extra : moz-landing-system : lando

dom/base/Document.cpp

@@ -5734,7 +5734,7 @@ void Document::GetCookie(nsAString& aCookie, ErrorResult& rv) {
   }
 }
 
-void Document::SetCookie(const nsAString& aCookie, ErrorResult& rv) {
+void Document::SetCookie(const nsAString& aCookie, ErrorResult& aRv) {
   if (mDisableCookieAccess) {
     return;
   }
@@ -5742,7 +5742,7 @@ void Document::SetCookie(const nsAString& aCookie, ErrorResult& rv) {
   // If the document's sandboxed origin flag is set, access to write cookies
   // is prohibited.
   if (mSandboxFlags & SANDBOXED_ORIGIN) {
-    rv.Throw(NS_ERROR_DOM_SECURITY_ERR);
+    aRv.Throw(NS_ERROR_DOM_SECURITY_ERR);
     return;
   }
 
@@ -5761,10 +5761,10 @@ void Document::SetCookie(const nsAString& aCookie, ErrorResult& rv) {
     return;
   }
 
-  // not having a cookie service isn't an error
+  if (!mDocumentURI) {
-  nsCOMPtr<nsICookieService> service =
+    return;
-      do_GetService(NS_COOKIESERVICE_CONTRACTID);
+  }
-  if (service && mDocumentURI) {
+
   // The code for getting the URI matches Navigator::CookieEnabled
   nsCOMPtr<nsIURI> principalURI;
   NodePrincipal()->GetURI(getter_AddRefs(principalURI));
@@ -5784,8 +5784,26 @@ void Document::SetCookie(const nsAString& aCookie, ErrorResult& rv) {
     }
   }
 
+  // not having a cookie service isn't an error
+  nsCOMPtr<nsICookieService> service =
+      do_GetService(NS_COOKIESERVICE_CONTRACTID);
+  if (!service) {
+    return;
+  }
+
   NS_ConvertUTF16toUTF8 cookie(aCookie);
-    service->SetCookieString(principalURI, cookie, channel);
+  nsresult rv = service->SetCookieString(principalURI, cookie, channel);
+
+  // No warning messages here.
+  if (NS_FAILED(rv)) {
+    return;
+  }
+
+  nsCOMPtr<nsIObserverService> observerService =
+      mozilla::services::GetObserverService();
+  if (observerService) {
+    observerService->NotifyObservers(ToSupports(this), "document-set-cookie",
+                                     nsString(aCookie).get());
   }
 }
 

netwerk/protocol/http/HttpBaseChannel.cpp

@@ -2125,7 +2125,6 @@ HttpBaseChannel::GetResponseVersion(uint32_t* major, uint32_t* minor) {
 void HttpBaseChannel::NotifySetCookie(const nsACString& aCookie) {
   nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
   if (obs) {
-    nsAutoString cookie;
     obs->NotifyObservers(static_cast<nsIChannel*>(this),
                          "http-on-response-set-cookie",
                          NS_ConvertASCIItoUTF16(aCookie).get());