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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "remoting/protocol/port_allocator.h" | 5 #include "remoting/protocol/port_allocator.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <map> | 8 #include <map> |
9 | 9 |
10 #include "base/bind.h" | 10 #include "base/bind.h" |
11 #include "base/logging.h" | 11 #include "base/logging.h" |
12 #include "base/strings/string_number_conversions.h" | 12 #include "base/strings/string_number_conversions.h" |
13 #include "base/strings/string_split.h" | 13 #include "base/strings/string_split.h" |
14 #include "net/base/escape.h" | 14 #include "net/base/escape.h" |
15 #include "net/http/http_status_code.h" | 15 #include "net/http/http_status_code.h" |
| 16 #include "net/traffic_annotation/network_traffic_annotation.h" |
16 #include "remoting/protocol/network_settings.h" | 17 #include "remoting/protocol/network_settings.h" |
17 #include "remoting/protocol/transport_context.h" | 18 #include "remoting/protocol/transport_context.h" |
18 | 19 |
19 namespace { | 20 namespace { |
20 | 21 |
21 typedef std::map<std::string, std::string> StringMap; | 22 typedef std::map<std::string, std::string> StringMap; |
22 | 23 |
23 // Parses the lines in the result of the HTTP request that are of the form | 24 // Parses the lines in the result of the HTTP request that are of the form |
24 // 'a=b' and returns them in a map. | 25 // 'a=b' and returns them in a map. |
25 StringMap ParseMap(const std::string& string) { | 26 StringMap ParseMap(const std::string& string) { |
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143 std::string host = | 144 std::string host = |
144 ice_config_.relay_servers[attempts_ % ice_config_.relay_servers.size()]; | 145 ice_config_.relay_servers[attempts_ % ice_config_.relay_servers.size()]; |
145 attempts_++; | 146 attempts_++; |
146 | 147 |
147 DCHECK(!username().empty()); | 148 DCHECK(!username().empty()); |
148 DCHECK(!password().empty()); | 149 DCHECK(!password().empty()); |
149 std::string url = "https://" + host + "/create_session?username=" + | 150 std::string url = "https://" + host + "/create_session?username=" + |
150 net::EscapeUrlEncodedData(username(), false) + | 151 net::EscapeUrlEncodedData(username(), false) + |
151 "&password=" + | 152 "&password=" + |
152 net::EscapeUrlEncodedData(password(), false) + "&sn=1"; | 153 net::EscapeUrlEncodedData(password(), false) + "&sn=1"; |
| 154 net::NetworkTrafficAnnotationTag traffic_annotation = |
| 155 net::DefineNetworkTrafficAnnotation("CRD_relay_session_request", R"( |
| 156 semantics { |
| 157 sender: "Chrome Remote Desktop" |
| 158 description: |
| 159 "Request is sent by Chrome Remote Desktop to allocate relay " |
| 160 "session. Returned relay session credentials are used over UDP to " |
| 161 "connect to Google-owned relay servers, which is required for NAT " |
| 162 "traversal." |
| 163 trigger: |
| 164 "Start of each Chrome Remote Desktop and during connection when " |
| 165 "peer-to-peer transport needs to be reconnected." |
| 166 data: |
| 167 "A temporary authentication token issued by Google services (over " |
| 168 "XMPP connection)." |
| 169 destination: GOOGLE_OWNED_SERVICE |
| 170 } |
| 171 policy { |
| 172 cookies_allowed: false |
| 173 setting: |
| 174 "This feature cannot be disabled by settings. You can block Chrome " |
| 175 "Remote Desktop as specified here: " |
| 176 "https://support.google.com/chrome/?p=remote_desktop" |
| 177 chrome_policy { |
| 178 RemoteAccessHostFirewallTraversal { |
| 179 policy_options {mode: MANDATORY} |
| 180 RemoteAccessHostFirewallTraversal: false |
| 181 } |
| 182 } |
| 183 policy_exception_justification: |
| 184 "Above specified policy is only applicable on the host side and " |
| 185 "doesn't have effect in Android and iOS client apps. The product " |
| 186 "is shipped separately from Chromium, except on Chrome OS." |
| 187 })"); |
153 std::unique_ptr<UrlRequest> url_request = | 188 std::unique_ptr<UrlRequest> url_request = |
154 transport_context_->url_request_factory()->CreateUrlRequest( | 189 transport_context_->url_request_factory()->CreateUrlRequest( |
155 UrlRequest::Type::GET, url); | 190 UrlRequest::Type::GET, url, traffic_annotation); |
156 url_request->AddHeader("X-Talk-Google-Relay-Auth: " + | 191 url_request->AddHeader("X-Talk-Google-Relay-Auth: " + |
157 ice_config_.relay_token); | 192 ice_config_.relay_token); |
158 url_request->AddHeader("X-Google-Relay-Auth: " + ice_config_.relay_token); | 193 url_request->AddHeader("X-Google-Relay-Auth: " + ice_config_.relay_token); |
159 url_request->AddHeader("X-Stream-Type: chromoting"); | 194 url_request->AddHeader("X-Stream-Type: chromoting"); |
160 url_request->Start(base::Bind(&PortAllocatorSession::OnSessionRequestResult, | 195 url_request->Start(base::Bind(&PortAllocatorSession::OnSessionRequestResult, |
161 base::Unretained(this))); | 196 base::Unretained(this))); |
162 url_requests_.insert(std::move(url_request)); | 197 url_requests_.insert(std::move(url_request)); |
163 } | 198 } |
164 | 199 |
165 void PortAllocatorSession::OnSessionRequestResult( | 200 void PortAllocatorSession::OnSessionRequestResult( |
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193 relay_config.ports.push_back( | 228 relay_config.ports.push_back( |
194 cricket::ProtocolAddress(address, cricket::PROTO_UDP)); | 229 cricket::ProtocolAddress(address, cricket::PROTO_UDP)); |
195 config->AddRelay(relay_config); | 230 config->AddRelay(relay_config); |
196 } | 231 } |
197 | 232 |
198 ConfigReady(config.release()); | 233 ConfigReady(config.release()); |
199 } | 234 } |
200 | 235 |
201 } // namespace protocol | 236 } // namespace protocol |
202 } // namespace remoting | 237 } // namespace remoting |
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