1 files changed, 91 insertions, 0 deletions
diff --git a/caps/NullPrincipalJSONHandler.h b/caps/NullPrincipalJSONHandler.h
new file mode 100644
index 0000000000..3c5f9e1631
--- /dev/null
+++ b/caps/NullPrincipalJSONHandler.h
@@ -0,0 +1,91 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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_NullPrincipalJSONHandler_h
+#define mozilla_NullPrincipalJSONHandler_h
+
+#include <stddef.h>  // size_t
+#include <stdint.h>  // uint32_t
+
+#include "js/TypeDecls.h"  // JS::Latin1Char
+
+#include "mozilla/AlreadyAddRefed.h"  // already_AddRefed
+#include "mozilla/Assertions.h"       // MOZ_ASSERT_UNREACHABLE
+#include "mozilla/RefPtr.h"           // RefPtr
+
+#include "nsCOMPtr.h"  // nsCOMPtr
+#include "nsDebug.h"   // NS_WARNING
+#include "nsIURI.h"    // nsIURI
+
+#include "NullPrincipal.h"
+#include "OriginAttributes.h"
+#include "SharedJSONHandler.h"
+
+namespace mozilla {
+
+// JSON parse handler for an inner object for NullPrincipal.
+// Used by PrincipalJSONHandler or SubsumedPrincipalJSONHandler.
+class NullPrincipalJSONHandler : public PrincipalJSONHandlerShared {
+  enum class State {
+    Init,
+
+    // After the inner object's '{'.
+    StartObject,
+
+    // After the property key for eSpec.
+    SpecKey,
+
+    // After the property key for eSuffix.
+    SuffixKey,
+
+    // After the property value for eSpec or eSuffix.
+    AfterPropertyValue,
+
+    // After the inner object's '}'.
+    EndObject,
+
+    Error,
+  };
+
+ public:
+  NullPrincipalJSONHandler() = default;
+  virtual ~NullPrincipalJSONHandler() = default;
+
+  virtual bool startObject() override;
+
+  using PrincipalJSONHandlerShared::propertyName;
+  virtual bool propertyName(const JS::Latin1Char* name, size_t length) override;
+
+  virtual bool endObject() override;
+
+  virtual bool startArray() override {
+    NS_WARNING("Unexpected array value");
+    mState = State::Error;
+    return false;
+  }
+  virtual bool endArray() override {
+    NS_WARNING("Unexpected array value");
+    mState = State::Error;
+    return false;
+  }
+
+  using PrincipalJSONHandlerShared::stringValue;
+  virtual bool stringValue(const JS::Latin1Char* str, size_t length) override;
+
+  bool HasAccepted() const { return mState == State::EndObject; }
+
+ protected:
+  virtual void SetErrorState() override { mState = State::Error; }
+
+ private:
+  State mState = State::Init;
+
+  nsCOMPtr<nsIURI> mUri;
+  OriginAttributes mAttrs;
+};
+
+}  // namespace mozilla
+
+#endif  // mozilla_NullPrincipalJSONHandler_h