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/* -*- 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_SubsumedPrincipalJSONHandler_h
#define mozilla_SubsumedPrincipalJSONHandler_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/Variant.h" // Variant
#include "mozilla/RefPtr.h" // RefPtr
#include "nsDebug.h" // NS_WARNING
#include "BasePrincipal.h"
#include "ContentPrincipalJSONHandler.h"
#include "NullPrincipalJSONHandler.h"
#include "SharedJSONHandler.h"
namespace mozilla {
class SubsumedPrincipalJSONHandlerTypes {
public:
enum class State {
Init,
// After the subsumed principal object's '{'.
StartObject,
// After the PrincipalKind property key for SystemPrincipal.
SystemPrincipal_Key,
// After the SystemPrincipal's inner object's '{'.
SystemPrincipal_StartObject,
// After the SystemPrincipal's inner object's '}'.
SystemPrincipal_EndObject,
// After the PrincipalKind property key for NullPrincipal or
// ContentPrincipal, and also the entire inner object.
// Delegates to mInnerHandler until the inner object's '}'.
//
// Unlike PrincipalJSONHandler, subsumed principal doesn't contain
// ExpandedPrincipal.
NullPrincipal_Inner,
ContentPrincipal_Inner,
// After the subsumed principal object's '}'.
EndObject,
Error,
};
using InnerHandlerT =
Maybe<Variant<NullPrincipalJSONHandler, ContentPrincipalJSONHandler>>;
static constexpr bool CanContainExpandedPrincipal = false;
};
// JSON parse handler for subsumed principal object inside ExpandedPrincipal's
// new format.
//
// Subsumed principal object
// |
// ----------------------------------
// | |
// {"2": {"0": [{"1": {"0": https://mozilla.com"}}]}}
// | | |
// | ---------------------------
// | |
// | inner object
// PrincipalKind
//
// For inner object except for the system principal case, this delegates
// to NullPrincipalJSONHandler or ContentPrincipalJSONHandler.
class SubsumedPrincipalJSONHandler
: public ContainerPrincipalJSONHandler<SubsumedPrincipalJSONHandlerTypes> {
using State = SubsumedPrincipalJSONHandlerTypes::State;
using InnerHandlerT = SubsumedPrincipalJSONHandlerTypes::InnerHandlerT;
public:
SubsumedPrincipalJSONHandler() = default;
virtual ~SubsumedPrincipalJSONHandler() = default;
bool HasAccepted() const { return mState == State::EndObject; }
protected:
virtual void SetErrorState() override { mState = State::Error; }
};
} // namespace mozilla
#endif // mozilla_SubsumedPrincipalJSONHandler_h
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