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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 "CertVerifier.h" // For EVStatus
#include "mozilla/Maybe.h"
#include "mozilla/StaticMutex.h"
#include "mozilla/StaticPrefs_network.h"
#include "mozilla/StaticPtr.h"
#include "nsClassHashtable.h"
#include "nsIMemoryReporter.h"
#include "nsITransportSecurityInfo.h"
#include "nsTArray.h"
#include "nsTHashMap.h"
#include "nsXULAppAPI.h"
class CommonSocketControl;
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;
nsITransportSecurityInfo::OverridableErrorCategory mOverridableErrorCategory;
Maybe<nsTArray<nsTArray<uint8_t>>> mFailedCertChainBytes;
};
class SSLTokensCache : public nsIMemoryReporter {
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIMEMORYREPORTER
friend class ExpirationComparator;
static nsresult Init();
static nsresult Shutdown();
static nsresult Put(const nsACString& aKey, const uint8_t* aToken,
uint32_t aTokenLen, CommonSocketControl* aSocketControl);
static nsresult Put(const nsACString& aKey, const uint8_t* aToken,
uint32_t aTokenLen, CommonSocketControl* aSocketControl,
PRUint32 aExpirationTime);
static nsresult Get(const nsACString& aKey, nsTArray<uint8_t>& aToken,
SessionCacheInfo& aResult, uint64_t* aTokenId = nullptr);
static nsresult Remove(const nsACString& aKey, uint64_t aId);
static nsresult RemoveAll(const nsACString& aKey);
static void Clear();
private:
SSLTokensCache();
virtual ~SSLTokensCache();
nsresult RemoveLocked(const nsACString& aKey, uint64_t aId);
nsresult RemovAllLocked(const nsACString& aKey);
nsresult GetLocked(const nsACString& aKey, nsTArray<uint8_t>& aToken,
SessionCacheInfo& aResult, uint64_t* aTokenId);
void EvictIfNecessary();
void LogStats();
size_t SizeOfIncludingThis(mozilla::MallocSizeOf mallocSizeOf) const;
static mozilla::StaticRefPtr<SSLTokensCache> gInstance;
static StaticMutex sLock MOZ_UNANNOTATED;
static uint64_t sRecordId;
uint32_t mCacheSize{0}; // Actual cache size in bytes
class TokenCacheRecord {
public:
~TokenCacheRecord();
uint32_t Size() const;
void Reset();
nsCString mKey;
PRUint32 mExpirationTime = 0;
nsTArray<uint8_t> mToken;
SessionCacheInfo mSessionCacheInfo;
// An unique id to identify the record. Mostly used when we want to remove a
// record from TokenCacheEntry.
uint64_t mId = 0;
};
class TokenCacheEntry {
public:
uint32_t Size() const;
// Add a record into |mRecords|. To make sure |mRecords| is sorted, we
// iterate |mRecords| everytime to find a right place to insert the new
// record.
void AddRecord(UniquePtr<TokenCacheRecord>&& aRecord,
nsTArray<TokenCacheRecord*>& aExpirationArray);
// This function returns the first record in |mRecords|.
const UniquePtr<TokenCacheRecord>& Get();
UniquePtr<TokenCacheRecord> RemoveWithId(uint64_t aId);
uint32_t RecordCount() const { return mRecords.Length(); }
const nsTArray<UniquePtr<TokenCacheRecord>>& Records() { return mRecords; }
private:
// The records in this array are ordered by the expiration time.
nsTArray<UniquePtr<TokenCacheRecord>> mRecords;
};
void OnRecordDestroyed(TokenCacheRecord* aRec);
nsClassHashtable<nsCStringHashKey, TokenCacheEntry> mTokenCacheRecords;
nsTArray<TokenCacheRecord*> mExpirationArray;
};
} // namespace net
} // namespace mozilla
#endif // SSLTokensCache_h_
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