mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-30 16:22:00 +00:00
31ceef48aa
This avoid intermediate object tree for "JSON to principal" case. Differential Revision: https://phabricator.services.mozilla.com/D192146
131 lines
3.7 KiB
C++
131 lines
3.7 KiB
C++
/* -*- 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/AlreadyAddRefed.h" // already_AddRefed
|
|
#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
|