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//* -*- 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, nsIFile* aStoreFile)
: LookupCache(aTableName, aProvider, aStoreFile) {}
~LookupCacheV4() {}
virtual nsresult Init() override;
virtual nsresult Has(const Completion& aCompletion, bool* aHas,
uint32_t* aMatchLength, bool* aConfirmed) override;
virtual bool IsEmpty() 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(TableUpdateV4* aTableUpdate, PrefixStringMap& aInputMap,
PrefixStringMap& aOutputMap);
nsresult AddFullHashResponseToCache(const FullHashResponseMap& aResponseMap);
nsresult WriteMetadata(TableUpdateV4* aTableUpdate);
nsresult LoadMetadata(nsACString& aState, nsACString& aChecksum);
static const int VER;
static const uint32_t MAX_METADATA_VALUE_LENGTH;
protected:
virtual nsresult ClearPrefixes() override;
virtual nsresult StoreToFile(nsIFile* aFile) override;
virtual nsresult LoadFromFile(nsIFile* aFile) override;
virtual size_t SizeOfPrefixSet() override;
private:
virtual int Ver() const override { return VER; }
nsresult InitCrypto(nsCOMPtr<nsICryptoHash>& aCrypto);
nsresult VerifyChecksum(const nsACString& aChecksum);
RefPtr<VariableLengthPrefixSet> mVLPrefixSet;
};
} // namespace safebrowsing
} // namespace mozilla
#endif
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