mirror of
https://github.com/mozilla/gecko-dev.git
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b1d6f2eeb8
Depends on D183230 Differential Revision: https://phabricator.services.mozilla.com/D189490
110 lines
3.1 KiB
C++
110 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef DOM_QUOTA_ORIGINPARSER_H_
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#define DOM_QUOTA_ORIGINPARSER_H_
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#include "mozilla/Attributes.h"
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#include "mozilla/dom/Nullable.h"
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#include "nsCharSeparatedTokenizer.h"
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#include "nsString.h"
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#include "nsTArray.h"
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namespace mozilla {
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class OriginAttributes;
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namespace dom::quota {
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class MOZ_STACK_CLASS OriginParser final {
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public:
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enum ResultType { InvalidOrigin, ObsoleteOrigin, ValidOrigin };
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private:
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using Tokenizer =
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nsCCharSeparatedTokenizerTemplate<NS_TokenizerIgnoreNothing>;
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enum SchemeType { eNone, eFile, eAbout, eChrome };
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enum State {
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eExpectingAppIdOrScheme,
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eExpectingInMozBrowser,
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eExpectingScheme,
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eExpectingEmptyToken1,
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eExpectingEmptyToken2,
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eExpectingEmptyTokenOrUniversalFileOrigin,
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eExpectingHost,
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eExpectingPort,
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eExpectingEmptyTokenOrDriveLetterOrPathnameComponent,
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eExpectingEmptyTokenOrPathnameComponent,
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eExpectingEmptyToken1OrHost,
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// We transit from eExpectingHost to this state when we encounter a host
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// beginning with "[" which indicates an IPv6 literal. Because we mangle the
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// IPv6 ":" delimiter to be a "+", we will receive separate tokens for each
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// portion of the IPv6 address, including a final token that ends with "]".
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// (Note that we do not mangle "[" or "]".) Note that the URL spec
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// explicitly disclaims support for "<zone_id>" and so we don't have to deal
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// with that.
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eExpectingIPV6Token,
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eComplete,
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eHandledTrailingSeparator
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};
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const nsCString mOrigin;
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Tokenizer mTokenizer;
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nsCString mScheme;
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nsCString mHost;
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Nullable<uint32_t> mPort;
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nsTArray<nsCString> mPathnameComponents;
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nsCString mHandledTokens;
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SchemeType mSchemeType;
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State mState;
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bool mUniversalFileOrigin;
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bool mMaybeDriveLetter;
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bool mError;
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bool mMaybeObsolete;
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// Number of group which a IPv6 address has. Should be less than 9.
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uint8_t mIPGroup;
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public:
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explicit OriginParser(const nsACString& aOrigin)
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: mOrigin(aOrigin),
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mTokenizer(aOrigin, '+'),
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mSchemeType(eNone),
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mState(eExpectingAppIdOrScheme),
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mUniversalFileOrigin(false),
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mMaybeDriveLetter(false),
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mError(false),
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mMaybeObsolete(false),
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mIPGroup(0) {}
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static ResultType ParseOrigin(const nsACString& aOrigin, nsCString& aSpec,
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OriginAttributes* aAttrs,
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nsCString& aOriginalSuffix);
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ResultType Parse(nsACString& aSpec);
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private:
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void HandleScheme(const nsDependentCSubstring& aToken);
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void HandlePathnameComponent(const nsDependentCSubstring& aToken);
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void HandleToken(const nsDependentCSubstring& aToken);
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void HandleTrailingSeparator();
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};
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bool IsUUIDOrigin(const nsCString& aOrigin);
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} // namespace dom::quota
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} // namespace mozilla
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#endif // DOM_QUOTA_ORIGINPARSER_H_
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