Line data    Source code

       1             : /*
       2             :  *
       3             :  * Copyright 2015, Google Inc.
       4             :  * All rights reserved.
       5             :  *
       6             :  * Redistribution and use in source and binary forms, with or without
       7             :  * modification, are permitted provided that the following conditions are
       8             :  * met:
       9             :  *
      10             :  *     * Redistributions of source code must retain the above copyright
      11             :  * notice, this list of conditions and the following disclaimer.
      12             :  *     * Redistributions in binary form must reproduce the above
      13             :  * copyright notice, this list of conditions and the following disclaimer
      14             :  * in the documentation and/or other materials provided with the
      15             :  * distribution.
      16             :  *     * Neither the name of Google Inc. nor the names of its
      17             :  * contributors may be used to endorse or promote products derived from
      18             :  * this software without specific prior written permission.
      19             :  *
      20             :  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      21             :  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      22             :  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      23             :  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
      24             :  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      25             :  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
      26             :  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      27             :  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      28             :  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      29             :  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
      30             :  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
      31             :  *
      32             :  */
      33             : 
      34             : #ifndef GRPC_INTERNAL_CPP_CLIENT_SECURE_CREDENTIALS_H
      35             : #define GRPC_INTERNAL_CPP_CLIENT_SECURE_CREDENTIALS_H
      36             : 
      37             : #include <grpc/grpc_security.h>
      38             : 
      39             : #include <grpc++/support/config.h>
      40             : #include <grpc++/security/credentials.h>
      41             : 
      42             : #include "src/cpp/server/thread_pool_interface.h"
      43             : 
      44             : namespace grpc {
      45             : 
      46             : class SecureChannelCredentials GRPC_FINAL : public ChannelCredentials {
      47             :  public:
      48          47 :   explicit SecureChannelCredentials(grpc_channel_credentials* c_creds)
      49          47 :       : c_creds_(c_creds) {}
      50         141 :   ~SecureChannelCredentials() GRPC_OVERRIDE {
      51          47 :     grpc_channel_credentials_release(c_creds_);
      52          94 :   }
      53           0 :   grpc_channel_credentials* GetRawCreds() { return c_creds_; }
      54             : 
      55             :   std::shared_ptr<grpc::Channel> CreateChannel(
      56             :       const string& target, const grpc::ChannelArguments& args) GRPC_OVERRIDE;
      57           0 :   SecureChannelCredentials* AsSecureCredentials() GRPC_OVERRIDE { return this; }
      58             : 
      59             :  private:
      60             :   grpc_channel_credentials* const c_creds_;
      61             : };
      62             : 
      63             : class SecureCallCredentials GRPC_FINAL : public CallCredentials {
      64             :  public:
      65           9 :   explicit SecureCallCredentials(grpc_call_credentials* c_creds)
      66           9 :       : c_creds_(c_creds) {}
      67          27 :   ~SecureCallCredentials() GRPC_OVERRIDE {
      68           9 :     grpc_call_credentials_release(c_creds_);
      69          18 :   }
      70           0 :   grpc_call_credentials* GetRawCreds() { return c_creds_; }
      71             : 
      72             :   bool ApplyToCall(grpc_call* call) GRPC_OVERRIDE;
      73           0 :   SecureCallCredentials* AsSecureCredentials() GRPC_OVERRIDE { return this; }
      74             : 
      75             :  private:
      76             :   grpc_call_credentials* const c_creds_;
      77             : };
      78             : 
      79           6 : class MetadataCredentialsPluginWrapper GRPC_FINAL {
      80             :  public:
      81             :   static void Destroy(void* wrapper);
      82             :   static void GetMetadata(void* wrapper, grpc_auth_metadata_context context,
      83             :                           grpc_credentials_plugin_metadata_cb cb,
      84             :                           void* user_data);
      85             : 
      86             :   explicit MetadataCredentialsPluginWrapper(
      87             :       std::unique_ptr<MetadataCredentialsPlugin> plugin);
      88             : 
      89             :  private:
      90             :   void InvokePlugin(grpc_auth_metadata_context context,
      91             :                     grpc_credentials_plugin_metadata_cb cb, void* user_data);
      92             :   std::unique_ptr<ThreadPoolInterface> thread_pool_;
      93             :   std::unique_ptr<MetadataCredentialsPlugin> plugin_;
      94             : };
      95             : 
      96             : }  // namespace grpc
      97             : 
      98             : #endif  // GRPC_INTERNAL_CPP_CLIENT_SECURE_CREDENTIALS_H