1/*
2 * libjingle
3 * Copyright 2012, Google Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 *  1. Redistributions of source code must retain the above copyright notice,
9 *     this list of conditions and the following disclaimer.
10 *  2. Redistributions in binary form must reproduce the above copyright notice,
11 *     this list of conditions and the following disclaimer in the documentation
12 *     and/or other materials provided with the distribution.
13 *  3. The name of the author may not be used to endorse or promote products
14 *     derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#ifndef TALK_P2P_BASE_TESTTURNSERVER_H_
29#define TALK_P2P_BASE_TESTTURNSERVER_H_
30
31#include <string>
32#include <vector>
33
34#include "talk/p2p/base/basicpacketsocketfactory.h"
35#include "talk/p2p/base/stun.h"
36#include "talk/p2p/base/turnserver.h"
37#include "webrtc/base/asyncudpsocket.h"
38#include "webrtc/base/thread.h"
39
40namespace cricket {
41
42static const char kTestRealm[] = "example.org";
43static const char kTestSoftware[] = "TestTurnServer";
44
45class TestTurnRedirector : public TurnRedirectInterface {
46 public:
47  explicit TestTurnRedirector(const std::vector<rtc::SocketAddress>& addresses)
48      : alternate_server_addresses_(addresses),
49        iter_(alternate_server_addresses_.begin()) {
50  }
51
52  virtual bool ShouldRedirect(const rtc::SocketAddress&,
53                              rtc::SocketAddress* out) {
54    if (!out || iter_ == alternate_server_addresses_.end()) {
55      return false;
56    }
57    *out = *iter_++;
58    return true;
59  }
60
61 private:
62  const std::vector<rtc::SocketAddress>& alternate_server_addresses_;
63  std::vector<rtc::SocketAddress>::const_iterator iter_;
64};
65
66class TestTurnServer : public TurnAuthInterface {
67 public:
68  TestTurnServer(rtc::Thread* thread,
69                 const rtc::SocketAddress& udp_int_addr,
70                 const rtc::SocketAddress& udp_ext_addr)
71      : server_(thread) {
72    AddInternalSocket(udp_int_addr, cricket::PROTO_UDP);
73    server_.SetExternalSocketFactory(new rtc::BasicPacketSocketFactory(),
74        udp_ext_addr);
75    server_.set_realm(kTestRealm);
76    server_.set_software(kTestSoftware);
77    server_.set_auth_hook(this);
78  }
79
80  void set_enable_otu_nonce(bool enable) {
81    server_.set_enable_otu_nonce(enable);
82  }
83
84  TurnServer* server() { return &server_; }
85
86  void set_redirect_hook(TurnRedirectInterface* redirect_hook) {
87    server_.set_redirect_hook(redirect_hook);
88  }
89
90  void AddInternalSocket(const rtc::SocketAddress& int_addr,
91                         ProtocolType proto) {
92    rtc::Thread* thread = rtc::Thread::Current();
93    if (proto == cricket::PROTO_UDP) {
94      server_.AddInternalSocket(rtc::AsyncUDPSocket::Create(
95          thread->socketserver(), int_addr), proto);
96    } else if (proto == cricket::PROTO_TCP) {
97      // For TCP we need to create a server socket which can listen for incoming
98      // new connections.
99      rtc::AsyncSocket* socket =
100          thread->socketserver()->CreateAsyncSocket(SOCK_STREAM);
101      socket->Bind(int_addr);
102      socket->Listen(5);
103      server_.AddInternalServerSocket(socket, proto);
104    }
105  }
106
107 private:
108  // For this test server, succeed if the password is the same as the username.
109  // Obviously, do not use this in a production environment.
110  virtual bool GetKey(const std::string& username, const std::string& realm,
111                      std::string* key) {
112    return ComputeStunCredentialHash(username, realm, username, key);
113  }
114
115  TurnServer server_;
116};
117
118}  // namespace cricket
119
120#endif  // TALK_P2P_BASE_TESTTURNSERVER_H_
121