gecko-dev/toolkit/components/url-classifier/LookupCacheV4.h

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2.1 KiB
C++

//* -*- Mode: C++; tab-width: 8; 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 LookupCacheV4_h__
#define LookupCacheV4_h__
#include "LookupCache.h"
namespace mozilla {
namespace safebrowsing {
// Forward declaration.
class TableUpdateV4;
class LookupCacheV4 final : public LookupCache {
public:
explicit LookupCacheV4(const nsACString& aTableName,
const nsACString& aProvider,
nsCOMPtr<nsIFile>& aStoreFile)
: LookupCache(aTableName, aProvider, aStoreFile) {}
virtual nsresult Has(const Completion& aCompletion, bool* aHas,
uint32_t* aMatchLength, bool* aConfirmed) override;
nsresult Build(PrefixStringMap& aPrefixMap);
nsresult GetPrefixes(PrefixStringMap& aPrefixMap);
nsresult GetFixedLengthPrefixes(FallibleTArray<uint32_t>& aPrefixes);
// ApplyUpdate will merge data stored in aTableUpdate with prefixes in
// aInputMap.
nsresult ApplyUpdate(RefPtr<TableUpdateV4> aTableUpdate,
PrefixStringMap& aInputMap, PrefixStringMap& aOutputMap);
nsresult AddFullHashResponseToCache(const FullHashResponseMap& aResponseMap);
nsresult WriteMetadata(RefPtr<const TableUpdateV4> aTableUpdate);
nsresult LoadMetadata(nsACString& aState, nsACString& aChecksum);
virtual nsresult LoadMozEntries() override;
static const int VER;
static const uint32_t MAX_METADATA_VALUE_LENGTH;
static const uint32_t VLPSET_MAGIC;
static const uint32_t VLPSET_VERSION;
protected:
virtual nsCString GetPrefixSetSuffix() const override;
nsCString GetMetadataSuffix() const;
private:
~LookupCacheV4() = default;
virtual int Ver() const override { return VER; }
virtual nsresult LoadLegacyFile() override;
virtual nsresult ClearLegacyFile() override;
virtual void GetHeader(Header& aHeader) override;
virtual nsresult SanityCheck(const Header& aHeader) override;
};
} // namespace safebrowsing
} // namespace mozilla
#endif