Bug 1852071: Created a new helper IsUUIDOrigin to check if a given string is in UUID format.r=dom-storage-reviewers,janv

Depends on D187540

Differential Revision: https://phabricator.services.mozilla.com/D185112

dom/quota/OriginParser.cpp

@@ -6,6 +6,8 @@
 
 #include "OriginParser.h"
 
+#include <regex>
+
 #include "mozilla/OriginAttributes.h"
 #include "mozilla/dom/quota/Constants.h"
 #include "mozilla/dom/quota/QuotaCommon.h"
@@ -474,4 +476,12 @@ void OriginParser::HandleTrailingSeparator() {
   mState = eHandledTrailingSeparator;
 }
 
+bool IsUUIDOrigin(const nsCString& aOrigin) {
+  static const std::regex pattern(
+      "^uuid://[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-4[0-9A-Fa-f]{3}-[89ABab"
+      "][0-9A-Fa-f]{3}-[0-9A-Fa-f]{12}$");
+
+  return regex_match(aOrigin.get(), pattern);
+}
+
 }  // namespace mozilla::dom::quota

dom/quota/OriginParser.h

@@ -104,6 +104,8 @@ class MOZ_STACK_CLASS OriginParser final {
   void HandleTrailingSeparator();
 };
 
+bool IsUUIDOrigin(const nsCString& aOrigin);
+
 }  // namespace dom::quota
 }  // namespace mozilla
 

dom/quota/test/gtest/TestOriginParser.cpp

@@ -0,0 +1,25 @@
+/* -*- 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/. */
+
+#include "OriginParser.h"
+
+#include "gtest/gtest.h"
+
+using namespace mozilla::dom::quota;
+
+TEST(OriginParser_IsUUIDOrigin, Valid)
+{ EXPECT_TRUE(IsUUIDOrigin("uuid://1ef9867c-e754-4303-a18b-684f0321f6e2"_ns)); }
+
+TEST(OriginParser_IsUUIDOrigin, Invalid)
+{
+  EXPECT_FALSE(IsUUIDOrigin("Invalid UUID Origin"_ns));
+
+  EXPECT_FALSE(IsUUIDOrigin("1ef9867c-e754-4303-a18b-684f0321f6e2"_ns));
+
+  EXPECT_FALSE(IsUUIDOrigin("uuid://1ef9867c-e754-4303-a18b"_ns));
+
+  EXPECT_FALSE(IsUUIDOrigin("uuid+++1ef9867c-e754-4303-a18b-684f0321f6e2"_ns));
+}

dom/quota/test/gtest/moz.build

@@ -22,6 +22,7 @@ UNIFIED_SOURCES = [
     "TestFileOutputStream.cpp",
     "TestFlatten.cpp",
     "TestForwardDecls.cpp",
+    "TestOriginParser.cpp",
     "TestPersistenceType.cpp",
     "TestQMResult.cpp",
     "TestQuotaCommon.cpp",