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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "remoting/protocol/chromium_port_allocator.h" | |
| 6 | |
| 7 #include <utility> | |
| 8 | |
| 9 #include "base/bind.h" | |
| 10 #include "base/macros.h" | |
| 11 #include "base/stl_util.h" | |
| 12 #include "base/strings/string_number_conversions.h" | |
| 13 #include "net/http/http_status_code.h" | |
| 14 #include "net/url_request/url_fetcher.h" | |
| 15 #include "net/url_request/url_fetcher_delegate.h" | |
| 16 #include "net/url_request/url_request_context_getter.h" | |
| 17 #include "remoting/protocol/chromium_socket_factory.h" | |
| 18 #include "remoting/protocol/transport_context.h" | |
| 19 #include "url/gurl.h" | |
| 20 | |
| 21 namespace remoting { | |
| 22 namespace protocol { | |
| 23 | |
| 24 namespace { | |
| 25 | |
| 26 class ChromiumPortAllocatorSession : public PortAllocatorSessionBase, | |
| 27 public net::URLFetcherDelegate { | |
| 28 public: | |
| 29 ChromiumPortAllocatorSession(ChromiumPortAllocator* allocator, | |
| 30 const std::string& content_name, | |
| 31 int component, | |
| 32 const std::string& ice_username_fragment, | |
| 33 const std::string& ice_password); | |
| 34 ~ChromiumPortAllocatorSession() override; | |
| 35 | |
| 36 // PortAllocatorBase overrides. | |
| 37 void SendSessionRequest(const std::string& host) override; | |
| 38 | |
| 39 // net::URLFetcherDelegate interface. | |
| 40 void OnURLFetchComplete(const net::URLFetcher* url_fetcher) override; | |
| 41 | |
| 42 private: | |
| 43 scoped_refptr<net::URLRequestContextGetter> url_context_; | |
| 44 std::set<const net::URLFetcher*> url_fetchers_; | |
| 45 | |
| 46 DISALLOW_COPY_AND_ASSIGN(ChromiumPortAllocatorSession); | |
| 47 }; | |
| 48 | |
| 49 ChromiumPortAllocatorSession::ChromiumPortAllocatorSession( | |
| 50 ChromiumPortAllocator* allocator, | |
| 51 const std::string& content_name, | |
| 52 int component, | |
| 53 const std::string& ice_username_fragment, | |
| 54 const std::string& ice_password) | |
| 55 : PortAllocatorSessionBase(allocator, | |
| 56 content_name, | |
| 57 component, | |
| 58 ice_username_fragment, | |
| 59 ice_password), | |
| 60 url_context_(allocator->url_context()) {} | |
| 61 | |
| 62 ChromiumPortAllocatorSession::~ChromiumPortAllocatorSession() { | |
| 63 STLDeleteElements(&url_fetchers_); | |
| 64 } | |
| 65 | |
| 66 void ChromiumPortAllocatorSession::SendSessionRequest(const std::string& host) { | |
| 67 GURL url("https://" + host + GetSessionRequestUrl() + "&sn=1"); | |
| 68 scoped_ptr<net::URLFetcher> url_fetcher = | |
| 69 net::URLFetcher::Create(url, net::URLFetcher::GET, this); | |
| 70 url_fetcher->SetRequestContext(url_context_.get()); | |
| 71 url_fetcher->AddExtraRequestHeader("X-Talk-Google-Relay-Auth: " + | |
| 72 relay_token()); | |
| 73 url_fetcher->AddExtraRequestHeader("X-Google-Relay-Auth: " + relay_token()); | |
| 74 url_fetcher->AddExtraRequestHeader("X-Stream-Type: chromoting"); | |
| 75 url_fetcher->Start(); | |
| 76 url_fetchers_.insert(url_fetcher.release()); | |
| 77 } | |
| 78 | |
| 79 void ChromiumPortAllocatorSession::OnURLFetchComplete( | |
| 80 const net::URLFetcher* source) { | |
| 81 int response_code = source->GetResponseCode(); | |
| 82 std::string response; | |
| 83 source->GetResponseAsString(&response); | |
| 84 | |
| 85 url_fetchers_.erase(source); | |
| 86 delete source; | |
| 87 | |
| 88 if (response_code != net::HTTP_OK) { | |
| 89 LOG(WARNING) << "Received error when allocating relay session: " | |
| 90 << response_code; | |
| 91 TryCreateRelaySession(); | |
| 92 return; | |
| 93 } | |
| 94 | |
| 95 ReceiveSessionResponse(response); | |
| 96 } | |
| 97 | |
| 98 } // namespace | |
| 99 | |
| 100 ChromiumPortAllocator::ChromiumPortAllocator( | |
| 101 scoped_ptr<rtc::NetworkManager> network_manager, | |
| 102 scoped_ptr<rtc::PacketSocketFactory> socket_factory, | |
| 103 scoped_refptr<TransportContext> transport_context, | |
| 104 scoped_refptr<net::URLRequestContextGetter> url_context) | |
| 105 : PortAllocatorBase(std::move(network_manager), | |
| 106 std::move(socket_factory), | |
| 107 transport_context), | |
| 108 url_context_(url_context) {} | |
| 109 | |
| 110 ChromiumPortAllocator::~ChromiumPortAllocator() {} | |
| 111 | |
| 112 cricket::PortAllocatorSession* ChromiumPortAllocator::CreateSessionInternal( | |
| 113 const std::string& content_name, | |
| 114 int component, | |
| 115 const std::string& ice_username_fragment, | |
| 116 const std::string& ice_password) { | |
| 117 return new ChromiumPortAllocatorSession(this, content_name, component, | |
| 118 ice_username_fragment, ice_password); | |
| 119 } | |
| 120 | |
| 121 ChromiumPortAllocatorFactory::ChromiumPortAllocatorFactory( | |
| 122 scoped_refptr<net::URLRequestContextGetter> url_request_context_getter) | |
| 123 : url_request_context_getter_(url_request_context_getter) {} | |
| 124 | |
| 125 ChromiumPortAllocatorFactory::~ChromiumPortAllocatorFactory() {} | |
| 126 | |
| 127 scoped_ptr<cricket::PortAllocator> | |
| 128 ChromiumPortAllocatorFactory::CreatePortAllocator( | |
| 129 scoped_refptr<TransportContext> transport_context) { | |
| 130 scoped_ptr<rtc::NetworkManager> network_manager( | |
| 131 new rtc::BasicNetworkManager()); | |
| 132 scoped_ptr<rtc::PacketSocketFactory> socket_factory( | |
| 133 new ChromiumPacketSocketFactory()); | |
| 134 return make_scoped_ptr(new ChromiumPortAllocator( | |
| 135 std::move(network_manager), std::move(socket_factory), transport_context, | |
| 136 url_request_context_getter_)); | |
| 137 } | |
| 138 | |
| 139 } // namespace protocol | |
| 140 } // namespace remoting | |
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