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/* 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 SSLTokensCache_h_
#define SSLTokensCache_h_
#include "nsIMemoryReporter.h"
#include "nsClassHashtable.h"
#include "nsTArray.h"
#include "mozilla/Maybe.h"
#include "mozilla/StaticMutex.h"
#include "mozilla/StaticPtr.h"
#include "nsXULAppAPI.h"
#include "TransportSecurityInfo.h" // For EVStatus
namespace mozilla {
namespace net {
struct SessionCacheInfo {
SessionCacheInfo Clone() const;
psm::EVStatus mEVStatus = psm::EVStatus::NotEV;
uint16_t mCertificateTransparencyStatus =
nsITransportSecurityInfo::CERTIFICATE_TRANSPARENCY_NOT_APPLICABLE;
nsTArray<uint8_t> mServerCertBytes;
Maybe<nsTArray<nsTArray<uint8_t>>> mSucceededCertChainBytes;
Maybe<bool> mIsBuiltCertChainRootBuiltInRoot;
};
class SSLTokensCache : public nsIMemoryReporter {
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIMEMORYREPORTER
friend class ExpirationComparator;
static nsresult Init();
static nsresult Shutdown();
static bool IsEnabled() { return sEnabled; }
static nsresult Put(const nsACString& aKey, const uint8_t* aToken,
uint32_t aTokenLen, nsITransportSecurityInfo* aSecInfo);
static nsresult Get(const nsACString& aKey, nsTArray<uint8_t>& aToken);
static bool GetSessionCacheInfo(const nsACString& aKey,
SessionCacheInfo& aResult);
static nsresult Remove(const nsACString& aKey);
static void Clear();
private:
SSLTokensCache();
virtual ~SSLTokensCache();
nsresult RemoveLocked(const nsACString& aKey);
void InitPrefs();
void EvictIfNecessary();
void LogStats();
size_t SizeOfIncludingThis(mozilla::MallocSizeOf mallocSizeOf) const;
static mozilla::StaticRefPtr<SSLTokensCache> gInstance;
static StaticMutex sLock;
static Atomic<bool, Relaxed> sEnabled;
// Capacity of the cache in kilobytes
static Atomic<uint32_t, Relaxed> sCapacity;
uint32_t mCacheSize; // Actual cache size in bytes
class TokenCacheRecord {
public:
uint32_t Size() const;
void Reset();
nsCString mKey;
PRUint32 mExpirationTime;
nsTArray<uint8_t> mToken;
SessionCacheInfo mSessionCacheInfo;
};
nsClassHashtable<nsCStringHashKey, TokenCacheRecord> mTokenCacheRecords;
nsTArray<TokenCacheRecord*> mExpirationArray;
};
} // namespace net
} // namespace mozilla
#endif // SSLTokensCache_h_