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/* -*- 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/. */
#ifndef DOM_QUOTA_ORIGINPARSER_H_
#define DOM_QUOTA_ORIGINPARSER_H_
#include "mozilla/Attributes.h"
#include "mozilla/dom/Nullable.h"
#include "nsCharSeparatedTokenizer.h"
#include "nsString.h"
#include "nsTArray.h"
namespace mozilla {
class OriginAttributes;
namespace dom::quota {
class MOZ_STACK_CLASS OriginParser final {
public:
enum ResultType { InvalidOrigin, ObsoleteOrigin, ValidOrigin };
private:
using Tokenizer =
nsCCharSeparatedTokenizerTemplate<NS_TokenizerIgnoreNothing>;
enum SchemeType { eNone, eFile, eAbout, eChrome };
enum State {
eExpectingAppIdOrScheme,
eExpectingInMozBrowser,
eExpectingScheme,
eExpectingEmptyToken1,
eExpectingEmptyToken2,
eExpectingEmptyTokenOrUniversalFileOrigin,
eExpectingHost,
eExpectingPort,
eExpectingEmptyTokenOrDriveLetterOrPathnameComponent,
eExpectingEmptyTokenOrPathnameComponent,
eExpectingEmptyToken1OrHost,
// We transit from eExpectingHost to this state when we encounter a host
// beginning with "[" which indicates an IPv6 literal. Because we mangle the
// IPv6 ":" delimiter to be a "+", we will receive separate tokens for each
// portion of the IPv6 address, including a final token that ends with "]".
// (Note that we do not mangle "[" or "]".) Note that the URL spec
// explicitly disclaims support for "<zone_id>" and so we don't have to deal
// with that.
eExpectingIPV6Token,
eComplete,
eHandledTrailingSeparator
};
const nsCString mOrigin;
Tokenizer mTokenizer;
nsCString mScheme;
nsCString mHost;
Nullable<uint32_t> mPort;
nsTArray<nsCString> mPathnameComponents;
nsCString mHandledTokens;
SchemeType mSchemeType;
State mState;
bool mUniversalFileOrigin;
bool mMaybeDriveLetter;
bool mError;
bool mMaybeObsolete;
// Number of group which a IPv6 address has. Should be less than 9.
uint8_t mIPGroup;
public:
explicit OriginParser(const nsACString& aOrigin)
: mOrigin(aOrigin),
mTokenizer(aOrigin, '+'),
mSchemeType(eNone),
mState(eExpectingAppIdOrScheme),
mUniversalFileOrigin(false),
mMaybeDriveLetter(false),
mError(false),
mMaybeObsolete(false),
mIPGroup(0) {}
static ResultType ParseOrigin(const nsACString& aOrigin, nsCString& aSpec,
OriginAttributes* aAttrs,
nsCString& aOriginalSuffix);
ResultType Parse(nsACString& aSpec);
private:
void HandleScheme(const nsDependentCSubstring& aToken);
void HandlePathnameComponent(const nsDependentCSubstring& aToken);
void HandleToken(const nsDependentCSubstring& aToken);
void HandleTrailingSeparator();
};
bool IsUUIDOrigin(const nsCString& aOrigin);
} // namespace dom::quota
} // namespace mozilla
#endif // DOM_QUOTA_ORIGINPARSER_H_
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