1 files changed, 123 insertions, 0 deletions
diff --git a/netwerk/base/SSLTokensCache.h b/netwerk/base/SSLTokensCache.h
new file mode 100644
index 0000000000..b335457526
--- /dev/null
+++ b/netwerk/base/SSLTokensCache.h
@@ -0,0 +1,123 @@
+/* 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_