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   MOZ_IMPLICIT ScopedCFType(decltype(nullptr)) : mValue(nullptr) {}
  21
  22   ~ScopedCFType() {
  23     if (mValue) {
  24       CFRelease((CFTypeRef)mValue);
  25     }
  26   }
  27
  28   T get() { return mValue; }
  29
  30   explicit operator bool() const { return mValue != nullptr; }
  31
  32  private:
  33   T mValue;
  34 };
  35
  36 class KeychainSecret final : public AbstractOSKeyStore {
  37  public:
  38   KeychainSecret();
  39
  40   virtual nsresult RetrieveSecret(const nsACString& label,
  41                                   /* out */ nsACString& secret) override;
  42   virtual nsresult StoreSecret(const nsACString& secret,
  43                                const nsACString& label) override;
  44   virtual nsresult DeleteSecret(const nsACString& label) override;
  45
  46   virtual ~KeychainSecret();
  47 };
  48
  49 #endif  // KeychainSecret_h