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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 part of vmservice_io; | 5 part of vmservice_io; |
6 | 6 |
7 final bool silentObservatory = | 7 final bool silentObservatory = const bool.fromEnvironment('SILENT_OBSERVATORY'); |
8 const bool.fromEnvironment('SILENT_OBSERVATORY'); | |
9 | 8 |
10 void serverPrint(String s) { | 9 void serverPrint(String s) { |
11 if (silentObservatory) { | 10 if (silentObservatory) { |
12 // We've been requested to be silent. | 11 // We've been requested to be silent. |
13 return; | 12 return; |
14 } | 13 } |
15 print(s); | 14 print(s); |
16 } | 15 } |
17 | 16 |
18 class WebSocketClient extends Client { | 17 class WebSocketClient extends Client { |
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56 } | 55 } |
57 } | 56 } |
58 | 57 |
59 void post(dynamic result) { | 58 void post(dynamic result) { |
60 if (result == null) { | 59 if (result == null) { |
61 // Do nothing. | 60 // Do nothing. |
62 return; | 61 return; |
63 } | 62 } |
64 try { | 63 try { |
65 if (result is String || result is Uint8List) { | 64 if (result is String || result is Uint8List) { |
66 socket.add(result); // String or binary message. | 65 socket.add(result); // String or binary message. |
67 } else { | 66 } else { |
68 // String message as external Uint8List. | 67 // String message as external Uint8List. |
69 assert(result is List); | 68 assert(result is List); |
70 Uint8List cstring = result[0]; | 69 Uint8List cstring = result[0]; |
71 socket.addUtf8Text(cstring); | 70 socket.addUtf8Text(cstring); |
72 } | 71 } |
73 } catch (e, st) { | 72 } catch (e, st) { |
74 serverPrint("Ignoring error posting over WebSocket."); | 73 serverPrint("Ignoring error posting over WebSocket."); |
75 serverPrint(e); | 74 serverPrint(e); |
76 serverPrint(st); | 75 serverPrint(st); |
77 } | 76 } |
78 } | 77 } |
79 | 78 |
80 dynamic toJson() { | 79 dynamic toJson() { |
81 Map map = super.toJson(); | 80 Map map = super.toJson(); |
82 map['type'] = 'WebSocketClient'; | 81 map['type'] = 'WebSocketClient'; |
83 map['socket'] = '$socket'; | 82 map['socket'] = '$socket'; |
84 return map; | 83 return map; |
85 } | 84 } |
86 } | 85 } |
87 | 86 |
88 | |
89 class HttpRequestClient extends Client { | 87 class HttpRequestClient extends Client { |
90 static ContentType jsonContentType = | 88 static ContentType jsonContentType = |
91 new ContentType("application", "json", charset: "utf-8"); | 89 new ContentType("application", "json", charset: "utf-8"); |
92 final HttpRequest request; | 90 final HttpRequest request; |
93 | 91 |
94 HttpRequestClient(this.request, VMService service) | 92 HttpRequestClient(this.request, VMService service) |
95 : super(service, sendEvents:false); | 93 : super(service, sendEvents: false); |
96 | 94 |
97 disconnect() { | 95 disconnect() { |
98 request.response.close(); | 96 request.response.close(); |
99 close(); | 97 close(); |
100 } | 98 } |
101 | 99 |
102 void post(dynamic result) { | 100 void post(dynamic result) { |
103 if (result == null) { | 101 if (result == null) { |
104 close(); | 102 close(); |
105 return; | 103 return; |
106 } | 104 } |
107 HttpResponse response = request.response; | 105 HttpResponse response = request.response; |
108 // We closed the connection for bad origins earlier. | 106 // We closed the connection for bad origins earlier. |
109 response.headers.add('Access-Control-Allow-Origin', '*'); | 107 response.headers.add('Access-Control-Allow-Origin', '*'); |
110 response.headers.contentType = jsonContentType; | 108 response.headers.contentType = jsonContentType; |
111 if (result is String) { | 109 if (result is String) { |
112 response.write(result); | 110 response.write(result); |
113 } else { | 111 } else { |
114 assert(result is List); | 112 assert(result is List); |
115 Uint8List cstring = result[0]; // Already in UTF-8. | 113 Uint8List cstring = result[0]; // Already in UTF-8. |
116 response.add(cstring); | 114 response.add(cstring); |
117 } | 115 } |
118 response.close(); | 116 response.close(); |
119 close(); | 117 close(); |
120 } | 118 } |
121 | 119 |
122 dynamic toJson() { | 120 dynamic toJson() { |
123 Map map = super.toJson(); | 121 Map map = super.toJson(); |
124 map['type'] = 'HttpRequestClient'; | 122 map['type'] = 'HttpRequestClient'; |
125 map['request'] = '$request'; | 123 map['request'] = '$request'; |
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162 // Explicitly add localhost and 127.0.0.1 on any port (necessary for | 160 // Explicitly add localhost and 127.0.0.1 on any port (necessary for |
163 // adb port forwarding). | 161 // adb port forwarding). |
164 if ((uri.host == 'localhost') || | 162 if ((uri.host == 'localhost') || |
165 (uri.host == '::1') || | 163 (uri.host == '::1') || |
166 (uri.host == '127.0.0.1')) { | 164 (uri.host == '127.0.0.1')) { |
167 return true; | 165 return true; |
168 } | 166 } |
169 | 167 |
170 if ((uri.port == _server.port) && | 168 if ((uri.port == _server.port) && |
171 ((uri.host == _server.address.address) || | 169 ((uri.host == _server.address.address) || |
172 (uri.host == _server.address.host))) { | 170 (uri.host == _server.address.host))) { |
173 return true; | 171 return true; |
174 } | 172 } |
175 | 173 |
176 return false; | 174 return false; |
177 } | 175 } |
178 | 176 |
179 bool _originCheck(HttpRequest request) { | 177 bool _originCheck(HttpRequest request) { |
180 if (_originCheckDisabled || Platform.isFuchsia) { | 178 if (_originCheckDisabled || Platform.isFuchsia) { |
181 // Always allow. | 179 // Always allow. |
182 return true; | 180 return true; |
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210 // Malformed. | 208 // Malformed. |
211 return null; | 209 return null; |
212 } | 210 } |
213 // Check that we were given the auth token. | 211 // Check that we were given the auth token. |
214 final String authToken = requestPathSegments[0]; | 212 final String authToken = requestPathSegments[0]; |
215 if (authToken != serviceAuthToken) { | 213 if (authToken != serviceAuthToken) { |
216 // Malformed. | 214 // Malformed. |
217 return null; | 215 return null; |
218 } | 216 } |
219 // Construct the actual request path by chopping off the auth token. | 217 // Construct the actual request path by chopping off the auth token. |
220 return (requestPathSegments[1] == '') ? | 218 return (requestPathSegments[1] == '') |
221 ROOT_REDIRECT_PATH : '/${requestPathSegments.sublist(1).join('/')}'; | 219 ? ROOT_REDIRECT_PATH |
| 220 : '/${requestPathSegments.sublist(1).join('/')}'; |
222 } | 221 } |
223 | 222 |
224 Future _requestHandler(HttpRequest request) async { | 223 Future _requestHandler(HttpRequest request) async { |
225 if (!_originCheck(request)) { | 224 if (!_originCheck(request)) { |
226 // This is a cross origin attempt to connect | 225 // This is a cross origin attempt to connect |
227 request.response.close(); | 226 request.response.close(); |
228 return; | 227 return; |
229 } | 228 } |
230 if (request.method == 'PUT') { | 229 if (request.method == 'PUT') { |
231 // PUT requests are forwarded to DevFS for processing. | 230 // PUT requests are forwarded to DevFS for processing. |
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254 if (fsUri == null) { | 253 if (fsUri == null) { |
255 fsPathList = request.headers['dev_fs_path']; | 254 fsPathList = request.headers['dev_fs_path']; |
256 fsPathBase64List = request.headers['dev_fs_path_b64']; | 255 fsPathBase64List = request.headers['dev_fs_path_b64']; |
257 // If the 'dev_fs_path_b64' header field was sent, use that instead. | 256 // If the 'dev_fs_path_b64' header field was sent, use that instead. |
258 if ((fsPathBase64List != null) && (fsPathBase64List.length > 0)) { | 257 if ((fsPathBase64List != null) && (fsPathBase64List.length > 0)) { |
259 fsPath = UTF8.decode(BASE64.decode(fsPathBase64List[0])); | 258 fsPath = UTF8.decode(BASE64.decode(fsPathBase64List[0])); |
260 } else { | 259 } else { |
261 fsPath = fsPathList[0]; | 260 fsPath = fsPathList[0]; |
262 } | 261 } |
263 } | 262 } |
264 } catch (e) { /* ignore */ } | 263 } catch (e) {/* ignore */} |
265 | 264 |
266 String result; | 265 String result; |
267 try { | 266 try { |
268 result = await _service.devfs.handlePutStream( | 267 result = await _service.devfs.handlePutStream( |
269 fsName, | 268 fsName, fsPath, fsUri, request.transform(GZIP.decoder)); |
270 fsPath, | 269 } catch (e) {/* ignore */} |
271 fsUri, | |
272 request.transform(GZIP.decoder)); | |
273 } catch (e) { /* ignore */ } | |
274 | 270 |
275 if (result != null) { | 271 if (result != null) { |
276 request.response.headers.contentType = | 272 request.response.headers.contentType = |
277 HttpRequestClient.jsonContentType; | 273 HttpRequestClient.jsonContentType; |
278 request.response.write(result); | 274 request.response.write(result); |
279 } | 275 } |
280 request.response.close(); | 276 request.response.close(); |
281 return; | 277 return; |
282 } | 278 } |
283 if (request.method != 'GET') { | 279 if (request.method != 'GET') { |
284 // Not a GET request. Do nothing. | 280 // Not a GET request. Do nothing. |
285 request.response.close(); | 281 request.response.close(); |
286 return; | 282 return; |
287 } | 283 } |
288 | 284 |
289 final String path = _checkAuthTokenAndGetPath(request.uri); | 285 final String path = _checkAuthTokenAndGetPath(request.uri); |
290 if (path == null) { | 286 if (path == null) { |
291 // Malformed. | 287 // Malformed. |
292 request.response.close(); | 288 request.response.close(); |
293 return; | 289 return; |
294 } | 290 } |
295 | 291 |
296 if (path == WEBSOCKET_PATH) { | 292 if (path == WEBSOCKET_PATH) { |
297 WebSocketTransformer.upgrade(request).then( | 293 WebSocketTransformer.upgrade(request).then((WebSocket webSocket) { |
298 (WebSocket webSocket) { | |
299 new WebSocketClient(webSocket, _service); | 294 new WebSocketClient(webSocket, _service); |
300 }); | 295 }); |
301 return; | 296 return; |
302 } | 297 } |
303 | 298 |
304 Asset asset = assets[path]; | 299 Asset asset = assets[path]; |
305 if (asset != null) { | 300 if (asset != null) { |
306 // Serving up a static asset (e.g. .css, .html, .png). | 301 // Serving up a static asset (e.g. .css, .html, .png). |
307 request.response.headers.contentType = | 302 request.response.headers.contentType = ContentType.parse(asset.mimeType); |
308 ContentType.parse(asset.mimeType); | |
309 request.response.add(asset.data); | 303 request.response.add(asset.data); |
310 request.response.close(); | 304 request.response.close(); |
311 return; | 305 return; |
312 } | 306 } |
313 // HTTP based service request. | 307 // HTTP based service request. |
314 try { | 308 try { |
315 var client = new HttpRequestClient(request, _service); | 309 var client = new HttpRequestClient(request, _service); |
316 var message = new Message.fromUri(client, request.uri); | 310 var message = new Message.fromUri(client, request.uri); |
317 client.onMessage(null, message); | 311 client.onMessage(null, message); |
318 } catch (e) { | 312 } catch (e) { |
319 serverPrint('Unexpected error processing HTTP request uri: ' | 313 serverPrint('Unexpected error processing HTTP request uri: ' |
320 '${request.uri}\n$e\n'); | 314 '${request.uri}\n$e\n'); |
321 rethrow; | 315 rethrow; |
322 } | 316 } |
323 } | 317 } |
324 | 318 |
325 Future startup() async { | 319 Future startup() async { |
326 if (_server != null) { | 320 if (_server != null) { |
327 // Already running. | 321 // Already running. |
328 return this; | 322 return this; |
329 } | 323 } |
330 | 324 |
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392 onServerAddressChange(null); | 386 onServerAddressChange(null); |
393 return this; | 387 return this; |
394 }).catchError((e, st) { | 388 }).catchError((e, st) { |
395 _server = null; | 389 _server = null; |
396 serverPrint('Could not shutdown Observatory HTTP server:\n$e\n$st\n'); | 390 serverPrint('Could not shutdown Observatory HTTP server:\n$e\n$st\n'); |
397 _notifyServerState(""); | 391 _notifyServerState(""); |
398 onServerAddressChange(null); | 392 onServerAddressChange(null); |
399 return this; | 393 return this; |
400 }); | 394 }); |
401 } | 395 } |
402 | |
403 } | 396 } |
404 | 397 |
405 void _notifyServerState(String uri) | 398 void _notifyServerState(String uri) native "VMServiceIO_NotifyServerState"; |
406 native "VMServiceIO_NotifyServerState"; | |
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