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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_ExpandedPrincipalJSONHandler_h
#define mozilla_ExpandedPrincipalJSONHandler_h
#include <stddef.h> // size_t
#include <stdint.h> // uint32_t
#include "js/TypeDecls.h" // JS::Latin1Char
#include "mozilla/Maybe.h" // Maybe
#include "mozilla/RefPtr.h" // RefPtr
#include "nsCOMPtr.h" // nsCOMPtr
#include "nsDebug.h" // NS_WARNING
#include "nsIPrincipal.h" // nsIPrincipal
#include "nsTArray.h" // nsTArray
#include "OriginAttributes.h"
#include "ExpandedPrincipal.h"
#include "SubsumedPrincipalJSONHandler.h"
#include "SharedJSONHandler.h"
namespace mozilla {
// JSON parse handler for an inner object for ExpandedPrincipal.
//
// # Legacy format
//
// inner object
// |
// -------------------------------------------------
// | |
// {"2": {"0": "eyIxIjp7IjAiOiJodHRwczovL2EuY29tLyJ9fQ=="}}
// | | |
// | ---------- Value
// | |
// PrincipalKind |
// |
// SerializableKeys
//
// The value is a CSV list of Base64 encoded prinipcals.
//
// # New format
//
// inner object
// |
// -------------------------------------------
// | |
// | Subsumed principals |
// | | |
// | ------------------------------------|
// | | ||
// {"2": {"0": [{"1": {"0": https://mozilla.com"}}]}}
// | | |
// -------------- Value
// |
// PrincipalKind
//
// Used by PrincipalJSONHandler.
class ExpandedPrincipalJSONHandler : public PrincipalJSONHandlerShared {
enum class State {
Init,
// After the inner object's '{'.
StartObject,
// After the property key for eSpecs.
SpecsKey,
// After the property key for eSuffix.
SuffixKey,
// After the subsumed principals array's '['.
StartArray,
// Subsumed principals array's item.
// Delegates to mSubsumedHandler until the subsumed object's '}'.
SubsumedPrincipal,
// After the property value for eSpecs or eSuffix,
// including after the subsumed principals array's ']'.
AfterPropertyValue,
// After the inner object's '}'.
EndObject,
Error,
};
public:
ExpandedPrincipalJSONHandler() = default;
virtual ~ExpandedPrincipalJSONHandler() = 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;
virtual bool endArray() override;
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:
bool ProcessSubsumedResult(bool aResult);
private:
State mState = State::Init;
nsTArray<nsCOMPtr<nsIPrincipal>> mAllowList;
OriginAttributes mAttrs;
Maybe<SubsumedPrincipalJSONHandler> mSubsumedHandler;
};
} // namespace mozilla
#endif // mozilla_ExpandedPrincipalJSONHandler_h
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