security/manager/ssl/KeychainSecret.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  *
   3  * This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef KeychainSecret_h
   8 #define KeychainSecret_h
   9
  10 #include "CoreFoundation/CFBase.h"
  11
  12 #include "OSKeyStore.h"
  13 #include "nsString.h"
  14
  15 template <typename T>
  16 class ScopedCFType {
  17  public:
  18   explicit ScopedCFType(T value) : mValue(value) {}
  19
  20   ~ScopedCFType() {
  21     if (mValue) {
  22       CFRelease((CFTypeRef)mValue);
  23     }
  24   }
  25
  26   T get() { return mValue; }
  27
  28   explicit operator bool() const { return mValue != nullptr; }
  29
  30  private:
  31   T mValue;
  32 };
  33
  34 class KeychainSecret final : public AbstractOSKeyStore {
  35  public:
  36   KeychainSecret();
  37
  38   virtual nsresult RetrieveSecret(const nsACString& label,
  39                                   /* out */ nsACString& secret) override;
  40   virtual nsresult StoreSecret(const nsACString& secret,
  41                                const nsACString& label) override;
  42   virtual nsresult DeleteSecret(const nsACString& label) override;
  43   virtual nsresult Lock() override;
  44   virtual nsresult Unlock() override;
  45
  46   virtual ~KeychainSecret();
  47 };
  48
  49 #endif  // KeychainSecret_h