Use Authenticator interface in Session and SessionManager

remoting/protocol/jingle_session.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef REMOTING_PROTOCOL_JINGLE_SESSION_H_
 #define REMOTING_PROTOCOL_JINGLE_SESSION_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/task.h"
-#include "crypto/rsa_private_key.h"
 #include "net/base/completion_callback.h"
 #include "remoting/protocol/session.h"
 #include "third_party/libjingle/source/talk/base/sigslot.h"
 #include "third_party/libjingle/source/talk/p2p/base/session.h"
 
 namespace remoting {
-
 namespace protocol {
 
+class Authenticator;
 class JingleChannelConnector;
 class JingleSessionManager;
 
 // Implements protocol::Session that work over libjingle session (the
 // cricket::Session object is passed to Init() method). Created
 // by JingleSessionManager for incoming and outgoing connections.
 class JingleSession : public protocol::Session,
                       public sigslot::has_slots<> {
  public:
   // Session interface.
   virtual void SetStateChangeCallback(
       const StateChangeCallback& callback) OVERRIDE;
   virtual Error error() OVERRIDE;
   virtual void CreateStreamChannel(
       const std::string& name,
       const StreamChannelCallback& callback) OVERRIDE;
   virtual void CreateDatagramChannel(
       const std::string& name,
       const DatagramChannelCallback& callback) OVERRIDE;
   virtual void CancelChannelCreation(const std::string& name) OVERRIDE;
   virtual const std::string& jid() OVERRIDE;
   virtual const CandidateSessionConfig* candidate_config() OVERRIDE;
   virtual const SessionConfig& config() OVERRIDE;
   virtual void set_config(const SessionConfig& config) OVERRIDE;
-  virtual const std::string& initiator_token() OVERRIDE;
-  virtual void set_initiator_token(const std::string& initiator_token) OVERRIDE;
-  virtual const std::string& receiver_token() OVERRIDE;
-  virtual void set_receiver_token(const std::string& receiver_token) OVERRIDE;
-  virtual void set_shared_secret(const std::string& secret) OVERRIDE;
-  virtual const std::string& shared_secret() OVERRIDE;
   virtual void Close() OVERRIDE;
 
  private:
   friend class JingleDatagramConnector;
   friend class JingleSessionManager;
   friend class JingleStreamConnector;
 
   typedef std::map<std::string, JingleChannelConnector*> ChannelConnectorsMap;
 
-  // Create a JingleSession used in client mode. A server certificate is
-  // required.
-  static JingleSession* CreateClientSession(JingleSessionManager* manager,
-                                            const std::string& host_public_key);
-
-  // Create a JingleSession used in server mode. A server certificate and
-  // private key is provided. |key| is copied in the constructor.
-  //
-  // TODO(sergeyu): Remove |certificate| and |key| when we stop using TLS.
-  static JingleSession* CreateServerSession(
-      JingleSessionManager* manager,
-      const std::string& certificate,
-      crypto::RSAPrivateKey* key);
-
-  // TODO(sergeyu): Change type of |peer_public_key| to RSAPublicKey.
+  // Takes ownership of |authenticator|.
   JingleSession(JingleSessionManager* jingle_session_manager,
-                const std::string& local_cert,
-                crypto::RSAPrivateKey* local_private_key,
-                const std::string& peer_public_key);
+                cricket::Session* cricket_session,
+                Authenticator* authenticator);
   virtual ~JingleSession();
 
   // Called by JingleSessionManager.
   void set_candidate_config(const CandidateSessionConfig* candidate_config);
-  const std::string& local_certificate() const;
-  void Init(cricket::Session* cricket_session);
+
+  // Sends session-initiate for new session.
+  void Initiate();

[Wez, 2011/11/25 06:54:11]

nit: Initiate() -> SendSessionInit[iate](), or just Init()?

[Sergey Ulanov, 2011/11/28 18:55:16]

Done.

 
   // Close all the channels and terminate the session. |result|
   // defines error code that should returned to currently opened
   // channels. |error| specified new value for error().
   void CloseInternal(int result, Error error);
 
   bool HasSession(cricket::Session* cricket_session);
   cricket::Session* ReleaseSession();
 
   // Initialize the session configuration from a received connection response
@@ skipping 22 matching lines @@
   // Called by JingleChannelConnector when it has finished connecting
   // the channel, to remove itself from the table of pending connectors.  The
   // connector assumes responsibility for destroying itself after this call.
   void OnChannelConnectorFinished(const std::string& name,
                                   JingleChannelConnector* connector);
 
   const cricket::ContentInfo* GetContentInfo() const;
 
   void SetState(State new_state);
 
+  static cricket::SessionDescription* CreateSessionDescription(
+      const CandidateSessionConfig* candidate_config,
+      const buzz::XmlElement* authenticator_message);
+
   // JingleSessionManager that created this session. Guaranteed to
   // exist throughout the lifetime of the session.
   JingleSessionManager* jingle_session_manager_;
 
-  // Certificates used for connection. Currently only receiving side
-  // has a certificate.
-  std::string local_cert_;
-  std::string remote_cert_;
-
-  // Private key used in SSL server sockets.
-  scoped_ptr<crypto::RSAPrivateKey> local_private_key_;
-
-  // Public key of the peer.
-  std::string peer_public_key_;
-
-  // Shared secret to use in channel authentication.  This is currently only
-  // used in IT2Me.
-  std::string shared_secret_;
+  scoped_ptr<Authenticator> authenticator_;
 
   State state_;
   StateChangeCallback state_change_callback_;
 
   Error error_;
 
   bool closing_;
 
   // JID of the other side. Set when the connection is initialized,
   // and never changed after that.
   std::string jid_;
 
   // The corresponding libjingle session.
   cricket::Session* cricket_session_;
 
   SessionConfig config_;
   bool config_set_;
 
-  std::string initiator_token_;
-  std::string receiver_token_;
-
   // These data members are only set on the receiving side.
   scoped_ptr<const CandidateSessionConfig> candidate_config_;
 
   // Channels that are currently being connected.
   ChannelConnectorsMap channel_connectors_;
 
   ScopedRunnableMethodFactory<JingleSession> task_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(JingleSession);
 };
 
 }  // namespace protocol
 
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_JINGLE_SESSION_H_