extensions/test/data/sockets_tcp/api/background.js

   1 // Copyright 2013 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 // net/tools/testserver/testserver.py is picky about the format of what it
   6 // calls its "echo" messages. One might go so far as to mutter to oneself that
   7 // it isn't an echo server at all.
   8 //
   9 // The response is based on the request but obfuscated using a random key.
  10 const request = "0100000005320000005hello";
  11 var expectedResponsePattern = /0100000005320000005.{11}/;
  12 const http_get = "GET test.html HTTP/1.0\r\n\r\n";
  13 var expectedHTTPPattern = /HTTP.1.0 200 OK/;
  14
  15 var tcp_address;
  16 var https_address;
  17 var bytesSent = 0;
  18 var dataAsString;
  19 var dataRead = [];
  20 var tcp_port = -1;
  21 var https_port = -1;
  22 var protocol = "none";
  23 var tcp_socketId = 0;
  24 var https_socketId = 0;
  25 var echoDataSent = false;
  26 var succeeded = false;
  27 var waitCount = 0;
  28
  29 // Keys are socketIds. Values are inner dictionaries with two keys: onReceive,
  30 // onReceiveError. Both are functions.
  31 var receive_dispatcher = {}
  32
  33 // Many thanks to Dennis for his StackOverflow answer: http://goo.gl/UDanx
  34 // Since amended to handle BlobBuilder deprecation.
  35 function string2ArrayBuffer(string, callback) {
  36   var blob = new Blob([string]);
  37   var f = new FileReader();
  38   f.onload = function(e) {
  39     callback(e.target.result);
  40   };
  41   f.readAsArrayBuffer(blob);
  42 }
  43
  44 function arrayBuffer2String(buf, callback) {
  45   var blob = new Blob([new Uint8Array(buf)]);
  46   var f = new FileReader();
  47   f.onload = function(e) {
  48     callback(e.target.result);
  49   };
  50   f.readAsText(blob);
  51 }
  52
  53 function dispatchSocketReceive(receiveInfo) {
  54   if (receive_dispatcher[receiveInfo.socketId] !== undefined) {
  55     receive_dispatcher[receiveInfo.socketId].onReceive(receiveInfo);
  56   } else {
  57     console.log("dispatchSocketReceive: No handler for socket " +
  58         receiveInfo.socketId);
  59   }
  60 }
  61
  62 function dispatchSocketReceiveError(receiveErrorInfo) {
  63   if (receive_dispatcher[receiveErrorInfo.socketId] !== undefined) {
  64     receive_dispatcher[receiveErrorInfo.socketId].onReceiveError(
  65         receiveErrorInfo);
  66   } else {
  67     console.log("dispatchSocketReceiveError: No handler for socket " +
  68         receiveErrorInfo.socketId);
  69   }
  70 }
  71
  72 var testSocketCreation = function() {
  73   function onCreate(socketInfo) {
  74     function onGetInfo(info) {
  75       chrome.test.assertFalse(info.connected);
  76
  77       if (info.peerAddress || info.peerPort) {
  78         chrome.test.fail('Unconnected socket should not have peer');
  79       }
  80       if (info.localAddress || info.localPort) {
  81         chrome.test.fail('Unconnected socket should not have local binding');
  82       }
  83
  84       chrome.sockets.tcp.close(socketInfo.socketId, function() {
  85         chrome.sockets.tcp.getInfo(socketInfo.socketId, function(info) {
  86           chrome.test.assertEq(undefined, info);
  87           chrome.test.succeed();
  88         });
  89       });
  90     }
  91
  92     chrome.test.assertTrue(socketInfo.socketId > 0);
  93
  94     // Obtaining socket information before a connect() call should be safe, but
  95     // return empty values.
  96     chrome.sockets.tcp.getInfo(socketInfo.socketId, onGetInfo);
  97   }
  98
  99   chrome.sockets.tcp.create({}, onCreate);
 100 };
 101
 102 var testSending = function() {
 103   dataRead = "";
 104   succeeded = false;
 105   echoDataSent = false;
 106   waitCount = 0;
 107
 108   setTimeout(waitForBlockingOperation, 1000);
 109
 110   createSocket();
 111
 112   function createSocket() {
 113     chrome.sockets.tcp.create({
 114       "name": "test",
 115       "persistent": true,
 116       "bufferSize": 104
 117     }, onCreateComplete);
 118   }
 119
 120   function onCreateComplete(socketInfo) {
 121     console.log("onCreateComplete");
 122     tcp_socketId = socketInfo.socketId;
 123     chrome.test.assertTrue(tcp_socketId > 0, "failed to create socket");
 124
 125     console.log("add event listeners");
 126     receive_dispatcher[tcp_socketId] = {
 127       onReceive: onSocketReceive,
 128       onReceiveError: onSocketReceiveError
 129     };
 130
 131     chrome.sockets.tcp.getInfo(tcp_socketId, onGetInfoAfterCreateComplete);
 132   }
 133
 134   function onGetInfoAfterCreateComplete(result) {
 135     console.log("onGetInfoAfterCreateComplete");
 136     chrome.test.assertTrue(!result.localAddress,
 137                            "Socket should not have local address");
 138     chrome.test.assertTrue(!result.localPort,
 139                            "Socket should not have local port");
 140     chrome.test.assertTrue(!result.peerAddress,
 141                            "Socket should not have peer address");
 142     chrome.test.assertTrue(!result.peerPort,
 143                            "Socket should not have peer port");
 144     chrome.test.assertFalse(result.connected, "Socket should not be connected");
 145
 146     chrome.test.assertEq("test", result.name, "Socket name did not persist");
 147     chrome.test.assertTrue(result.persistent,
 148                            "Socket should be persistent");
 149     chrome.test.assertEq(104, result.bufferSize, "Buffer size did not persist");
 150     chrome.test.assertFalse(result.paused, "Socket should not be paused");
 151
 152     chrome.sockets.tcp.update(tcp_socketId, {
 153       "name": "test2",
 154       "persistent": false,
 155       bufferSize: 2048
 156     }, onUpdateComplete);
 157   }
 158
 159   function onUpdateComplete() {
 160     console.log("onUpdateComplete");
 161     chrome.sockets.tcp.getInfo(tcp_socketId, onGetInfoAfterUpdateComplete);
 162   }
 163
 164   function onGetInfoAfterUpdateComplete(result) {
 165     console.log("onGetInfoAfterUpdateComplete");
 166     chrome.test.assertTrue(!result.localAddress,
 167                            "Socket should not have local address");
 168     chrome.test.assertTrue(!result.localPort,
 169                            "Socket should not have local port");
 170     chrome.test.assertTrue(!result.peerAddress,
 171                            "Socket should not have peer address");
 172     chrome.test.assertTrue(!result.peerPort,
 173                            "Socket should not have peer port");
 174     chrome.test.assertFalse(result.connected, "Socket should not be connected");
 175
 176     chrome.test.assertEq("test2", result.name, "Socket name did not persist");
 177     chrome.test.assertFalse(result.persistent,
 178                            "Socket should not be persistent");
 179     chrome.test.assertEq(2048, result.bufferSize,
 180                          "Buffer size did not persist");
 181     chrome.test.assertFalse(result.paused, "Socket should not be paused");
 182
 183     chrome.sockets.tcp.connect(tcp_socketId, tcp_address, tcp_port,
 184                                onConnectComplete);
 185   }
 186
 187   function onConnectComplete(result) {
 188     console.log("onConnectComplete");
 189     chrome.test.assertEq(0, result,
 190                          "Connect failed with error " + result);
 191
 192     chrome.sockets.tcp.getInfo(tcp_socketId, onGetInfoAfterConnectComplete);
 193   }
 194
 195   function onGetInfoAfterConnectComplete(result) {
 196     console.log("onGetInfoAfterConnectComplete");
 197     chrome.test.assertTrue(!!result.localAddress,
 198                            "Bound socket should always have local address");
 199     chrome.test.assertTrue(!!result.localPort,
 200                            "Bound socket should always have local port");
 201
 202     // NOTE: We're always called with 'localhost', but getInfo will only return
 203     // IPs, not names.
 204     chrome.test.assertEq(result.peerAddress, "127.0.0.1",
 205                          "Peer addresss should be the listen server");
 206     chrome.test.assertEq(result.peerPort, tcp_port,
 207                          "Peer port should be the listen server");
 208     chrome.test.assertTrue(result.connected, "Socket should be connected");
 209
 210     chrome.sockets.tcp.setPaused(tcp_socketId, true, onSetPausedComplete);
 211   }
 212
 213   function onSetPausedComplete() {
 214     console.log("onSetPausedComplete");
 215     chrome.sockets.tcp.getInfo(tcp_socketId, onGetInfoAfterSetPausedComplete);
 216   }
 217
 218   function onGetInfoAfterSetPausedComplete(result) {
 219     console.log("onGetInfoAfterSetPausedComplete");
 220     chrome.test.assertTrue(result.paused, "Socket should be paused");
 221     chrome.sockets.tcp.setPaused(tcp_socketId, false, onUnpauseComplete);
 222   }
 223
 224   function onUnpauseComplete() {
 225     console.log("onUnpauseComplete");
 226     chrome.sockets.tcp.getInfo(tcp_socketId, onGetInfoAfterUnpauseComplete);
 227   }
 228
 229   function onGetInfoAfterUnpauseComplete(result) {
 230     console.log("onGetInfoAfterUnpauseComplete");
 231     chrome.test.assertFalse(result.paused, "Socket should not be paused");
 232     chrome.sockets.tcp.setNoDelay(tcp_socketId, true, onSetNoDelayComplete);
 233   }
 234
 235   function onSetNoDelayComplete(result) {
 236     console.log("onSetNoDelayComplete");
 237     if (result != 0) {
 238       chrome.test.fail("setNoDelay failed for TCP: " +
 239           "result=" + result + ", " +
 240           "lastError=" + chrome.runtime.lastError.message);
 241     }
 242     chrome.sockets.tcp.setKeepAlive(
 243         tcp_socketId, true, 1000, onSetKeepAliveComplete);
 244   }
 245
 246   function onSetKeepAliveComplete(result) {
 247     console.log("onSetKeepAliveComplete");
 248     if (result != 0) {
 249       chrome.test.fail("setKeepAlive failed for TCP: " +
 250           "result=" + result + ", " +
 251           "lastError=" + chrome.runtime.lastError.message);
 252     }
 253
 254     string2ArrayBuffer(request, function(arrayBuffer) {
 255       echoDataSent = true;
 256       chrome.sockets.tcp.send(tcp_socketId, arrayBuffer, onSendComplete);
 257     });
 258   }
 259
 260   function onSendComplete(sendInfo) {
 261     console.log("onSendComplete: " + sendInfo.bytesSent + " bytes.");
 262     chrome.test.assertEq(0, sendInfo.resultCode, "Send failed.");
 263     chrome.test.assertTrue(sendInfo.bytesSent > 0,
 264         "Send didn't write bytes.");
 265     bytesSent += sendInfo.bytesSent;
 266   }
 267
 268   function onSocketReceive(receiveInfo) {
 269     console.log("onSocketReceive");
 270     chrome.test.assertEq(tcp_socketId, receiveInfo.socketId);
 271     arrayBuffer2String(receiveInfo.data, function(s) {
 272       dataAsString = s;  // save this for error reporting
 273       var match = !!s.match(expectedResponsePattern);
 274       chrome.test.assertTrue(match, "Received data does not match.");
 275       console.log("echo data received, closing socket");
 276       chrome.sockets.tcp.close(tcp_socketId, onCloseComplete);
 277     });
 278   }
 279
 280   function onSocketReceiveError(receiveErrorInfo) {
 281     // Note: Once we have sent the "echo" message, the echo server sends back
 282     // the "echo" response and closes the connection right away. This means
 283     // we get a "connection closed" error very quickly after sending our
 284     // message. This is why we ignore errors from that point on.
 285     if (echoDataSent)
 286       return;
 287
 288     console.log("onSocketReceiveError");
 289     chrome.test.fail("Receive error on socket " + receiveErrorInfo.socketId +
 290       ": result code=" + receiveErrorInfo.resultCode);
 291   }
 292
 293   function onCloseComplete() {
 294     console.log("onCloseComplete");
 295     succeeded = true;
 296     chrome.test.succeed();
 297   }
 298
 299 };  // testSending()
 300
 301 var testSecure = function () {
 302   var request_sent = false;
 303   succeeded = false;
 304   dataAsString = "";
 305   setTimeout(waitForBlockingOperation, 1000);
 306
 307   // Run the test a few times. First with misuse_testing=MISUSE_NONE,
 308   // to test that the API works correctly when used properly. Then
 309   // with different values of misuse_mode, test that the API does
 310   // not malfunction when used improperly. Upon success, each misuse
 311   // must close the socket and call onCloseComplete().
 312   var MISUSE_NONE = 0;
 313   var MISUSE_SECURE_PENDING_READ = 1;
 314   var MISUSE_LAST = MISUSE_SECURE_PENDING_READ;
 315   var misuse_mode = MISUSE_NONE;
 316
 317   chrome.sockets.tcp.create({}, onCreateComplete);
 318
 319   function onCreateComplete(socketInfo) {
 320     https_socketId = socketInfo.socketId;
 321     receive_dispatcher[https_socketId] = {
 322       onReceive: onSocketReceive,
 323       onReceiveError: onSocketReceiveError
 324     };
 325
 326     chrome.test.assertTrue(https_socketId > 0, "failed to create socket");
 327     if (misuse_mode == MISUSE_SECURE_PENDING_READ) {
 328       // Don't pause the socket. This will let the sockets runtime
 329       // keep a pending read on it.
 330       console.log("HTTPS onCreateComplete: in MISUSE_SECURE_PENDING_READ " +
 331                   "mode, skipping setPaused(false).");
 332       onPausedComplete();
 333     } else {
 334       chrome.sockets.tcp.setPaused(https_socketId, true, onPausedComplete);
 335     }
 336   }
 337
 338   function onPausedComplete() {
 339     console.log("HTTPS onPausedComplete. Connecting to " + https_address + ":" +
 340         https_port);
 341     chrome.sockets.tcp.connect(https_socketId, https_address, https_port,
 342                                onConnectComplete);
 343   }
 344
 345   function onConnectComplete(result) {
 346     console.log("HTTPS onConnectComplete");
 347     chrome.test.assertEq(0, result,
 348                          "Connect failed with error " + result);
 349     chrome.sockets.tcp.secure(https_socketId, null, onSecureComplete);
 350   }
 351
 352   function onSecureComplete(result) {
 353     console.log("HTTPS onSecureComplete(" + result + ")");
 354     if (misuse_mode == MISUSE_SECURE_PENDING_READ) {
 355       chrome.test.assertFalse(result == 0,
 356                               "Secure should have failed when a read " +
 357                               "was pending (" + result + ")");
 358       chrome.sockets.tcp.close(https_socketId, onCloseComplete);
 359     } else {
 360       chrome.test.assertEq(0, result,
 361                            "Secure failed with error " + result);
 362       chrome.sockets.tcp.setPaused(https_socketId, false, onUnpauseComplete);
 363     }
 364   }
 365
 366   function onUnpauseComplete() {
 367     console.log("HTTPS onUnpauseComplete");
 368     string2ArrayBuffer(http_get, function(arrayBuffer) {
 369       request_sent = true;
 370       chrome.sockets.tcp.send(https_socketId, arrayBuffer, onSendComplete);
 371     });
 372   }
 373
 374   function onSendComplete(sendInfo) {
 375     console.log("HTTPS onSendComplete: " + sendInfo.bytesSent + " bytes.");
 376     chrome.test.assertEq(0, sendInfo.resultCode, "Send failed.");
 377     chrome.test.assertTrue(sendInfo.bytesSent > 0,
 378         "Send didn't write bytes.");
 379     bytesSent += sendInfo.bytesSent;
 380   }
 381
 382   function onSocketReceive(receiveInfo) {
 383     console.log("HTTPS onSocketReceive");
 384     chrome.test.assertEq(https_socketId, receiveInfo.socketId);
 385     arrayBuffer2String(receiveInfo.data, function(s) {
 386       // we will get more data than we care about. We only care about the
 387       // first segment of data (the HTTP 200 code). Ignore the rest, which
 388       // won't match the pattern.
 389       if (succeeded == false) {
 390         dataAsString = s;  // for waitForBlockingOperation().
 391         console.log("HTTPS receive: got " + s);
 392         var match = !!s.match(expectedHTTPPattern);
 393         chrome.test.assertTrue(match, "Received data does not match.");
 394         console.log("HTTPS response received, closing socket.");
 395         chrome.sockets.tcp.close(https_socketId, onCloseComplete);
 396       }
 397       succeeded = true;
 398     });
 399   }
 400
 401   function onSocketReceiveError(receiveErrorInfo) {
 402     console.log("HTTPS onSocketReceiveError");
 403     if (request_sent) {
 404       return;
 405     }
 406     chrome.test.fail("Receive error on socket " + receiveErrorInfo.socketId +
 407       ": result code=" + receiveErrorInfo.resultCode);
 408   }
 409
 410   function onCloseComplete() {
 411     console.log("HTTPS Test Succeeded");
 412     if (misuse_mode == MISUSE_LAST) {
 413         // The test has run in all misuse modes.
 414         chrome.test.succeed();
 415     } else {
 416         // Run the test again in the next misuse mode.
 417         misuse_mode += 1;
 418         chrome.sockets.tcp.create({}, onCreateComplete);
 419     }
 420   }
 421 };  // testSecure()
 422
 423 function waitForBlockingOperation() {
 424   if (++waitCount < 10) {
 425     setTimeout(waitForBlockingOperation, 1000);
 426   } else {
 427     // We weren't able to succeed in the given time.
 428     chrome.test.fail("Operations didn't complete after " + waitCount + " " +
 429                      "seconds. Response so far was <" + dataAsString + ">.");
 430   }
 431 }
 432
 433 var onMessageReply = function(message) {
 434   var components = message.split(',');
 435   var tests = [];
 436   for (var i = 0; i < components.length; ++i) {
 437     var parts = components[i].split(":");
 438     var test_type = parts[0];
 439     if (test_type == 'tcp') {
 440       tcp_address = parts[1];
 441       tcp_port = parseInt(parts[2]);
 442       console.log("Running tests for TCP, echo server " +
 443           tcp_address + ":" + tcp_port);
 444       tests = tests.concat([testSocketCreation, testSending]);
 445     } else if (test_type == 'https') {
 446       https_address = parts[1];
 447       https_port = parseInt(parts[2]);
 448       console.log("Running tests for HTTPS, server " +
 449           https_address + ":" + https_port);
 450       tests = tests.concat([testSecure]);
 451     } else {
 452       chrome.test.fail("Invalid test type: " + test_type);
 453     }
 454   }
 455   // Setup the suite-wide event listeners.
 456   chrome.sockets.tcp.onReceive.addListener(dispatchSocketReceive);
 457   chrome.sockets.tcp.onReceiveError.addListener(dispatchSocketReceiveError);
 458
 459   chrome.test.runTests(tests);
 460 };
 461
 462 // Find out which protocol we're supposed to test, and which echo server we
 463 // should be using, then kick off the tests.
 464 chrome.test.sendMessage("info_please", onMessageReply);