1 files changed, 65 insertions, 0 deletions
diff --git a/toolkit/components/antitracking/URLQueryStringStripper.h b/toolkit/components/antitracking/URLQueryStringStripper.h
new file mode 100644
index 0000000000..89466cfd12
--- /dev/null
+++ b/toolkit/components/antitracking/URLQueryStringStripper.h
@@ -0,0 +1,65 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_URLQueryStringStripper_h
+#define mozilla_URLQueryStringStripper_h
+
+#include "nsIURLQueryStringStripper.h"
+#include "nsIURLQueryStrippingListService.h"
+#include "nsIObserver.h"
+#include "mozilla/dom/StripOnShareRuleBinding.h"
+#include "nsStringFwd.h"
+#include "nsTHashSet.h"
+#include "nsTHashMap.h"
+
+class nsIURI;
+
+namespace mozilla {
+
+class URLQueryStringStripper final : public nsIObserver,
+                                     public nsIURLQueryStringStripper,
+                                     public nsIURLQueryStrippingListObserver {
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIOBSERVER
+  NS_DECL_NSIURLQUERYSTRIPPINGLISTOBSERVER
+
+  NS_DECL_NSIURLQUERYSTRINGSTRIPPER
+
+ public:
+  static already_AddRefed<URLQueryStringStripper> GetSingleton();
+
+ private:
+  URLQueryStringStripper();
+  ~URLQueryStringStripper() = default;
+
+  static void OnPrefChange(const char* aPref, void* aData);
+  nsresult ManageObservers();
+
+  [[nodiscard]] nsresult Init();
+  [[nodiscard]] nsresult Shutdown();
+
+  [[nodiscard]] nsresult StripQueryString(nsIURI* aURI, nsIURI** aOutput,
+                                          uint32_t* aStripCount);
+
+  bool CheckAllowList(nsIURI* aURI);
+
+  void PopulateStripList(const nsAString& aList);
+  void PopulateAllowList(const nsACString& aList);
+
+  nsTHashSet<nsString> mList;
+  nsTHashSet<nsCString> mAllowList;
+  nsCOMPtr<nsIURLQueryStrippingListService> mListService;
+  nsTHashMap<nsCString, dom::StripRule> mStripOnShareMap;
+  bool mIsInitialized;
+  // Indicates whether or not we currently have registered an observer
+  // for the QPS/strip-on-share list updates
+  bool mObservingQPS = false;
+  bool mObservingStripOnShare = false;
+};
+
+}  // namespace mozilla
+
+#endif  // mozilla_URLQueryStringStripper_h