src/chrome/test/data/extensions/api_test/webrequest/test_blocking.js

   1 // Copyright (c) 2011 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 var pass = chrome.test.callbackPass;
   6
   7 // Constants as functions, not to be called until after runTests.
   8 function getURLEchoUserAgent() {
   9   return getServerURL('echoheader?User-Agent');
  10 }
  11
  12 function getURLSetCookie() {
  13   return getServerURL('set-cookie?Foo=Bar');
  14 }
  15
  16 function getURLNonUTF8SetCookie() {
  17   return getServerURL('set-header?Set-Cookie%3A%20Foo%3D%FE%D1');
  18 }
  19
  20 function getURLHttpSimpleLoad() {
  21   return getServerURL('extensions/api_test/webrequest/simpleLoad/a.html');
  22 }
  23 function getURLHttpXHRData() {
  24   return getServerURL('extensions/api_test/webrequest/xhr/data.json');
  25 }
  26
  27 function toCharCodes(str) {
  28   var result = [];
  29   for (var i = 0; i < str.length; ++i) {
  30     result[i] = str.charCodeAt(i);
  31   }
  32   return result;
  33 }
  34
  35 runTests([
  36   // Navigates to a page with subresources, with a blocking handler that
  37   // cancels the page request. The page will not load, and we should not
  38   // see the subresources.
  39   function complexLoadCancelled() {
  40     expect(
  41       [  // events
  42         { label: "onBeforeRequest",
  43           event: "onBeforeRequest",
  44           details: {
  45             type: "main_frame",
  46             url: getURL("complexLoad/b.html"),
  47             frameUrl: getURL("complexLoad/b.html")
  48           },
  49           retval: {cancel: true}
  50         },
  51         // Cancelling is considered an error.
  52         { label: "onErrorOccurred",
  53           event: "onErrorOccurred",
  54           details: {
  55             url: getURL("complexLoad/b.html"),
  56             fromCache: false,
  57             error: "net::ERR_BLOCKED_BY_CLIENT"
  58             // Request to chrome-extension:// url has no IP.
  59           }
  60         },
  61       ],
  62       [  // event order
  63         ["onBeforeRequest", "onErrorOccurred"]
  64       ],
  65       {urls: ["<all_urls>"]},  // filter
  66       ["blocking"]);
  67     navigateAndWait(getURL("complexLoad/b.html"));
  68   },
  69
  70   // Navigates to a page with subresources, with a blocking handler that
  71   // cancels the page request. The page will not load, and we should not
  72   // see the subresources.
  73   function simpleLoadCancelledOnReceiveHeaders() {
  74     expect(
  75       [  // events
  76         { label: "onBeforeRequest",
  77           event: "onBeforeRequest",
  78           details: {
  79             method: "GET",
  80             type: "main_frame",
  81             url: getURLHttpSimpleLoad(),
  82             frameUrl: getURLHttpSimpleLoad()
  83           },
  84           retval: {cancel: false}
  85         },
  86         { label: "onBeforeSendHeaders",
  87           event: "onBeforeSendHeaders",
  88           details: {
  89             url: getURLHttpSimpleLoad(),
  90             // Note: no requestHeaders because we don't ask for them.
  91           },
  92         },
  93         { label: "onSendHeaders",
  94           event: "onSendHeaders",
  95           details: {
  96             url: getURLHttpSimpleLoad()
  97           }
  98         },
  99         { label: "onHeadersReceived",
 100           event: "onHeadersReceived",
 101           details: {
 102             url: getURLHttpSimpleLoad(),
 103             statusLine: "HTTP/1.1 200 OK",
 104           },
 105           retval: {cancel: true}
 106         },
 107         // Cancelling is considered an error.
 108         { label: "onErrorOccurred",
 109           event: "onErrorOccurred",
 110           details: {
 111             url: getURLHttpSimpleLoad(),
 112             fromCache: false,
 113             error: "net::ERR_BLOCKED_BY_CLIENT"
 114             // Request to chrome-extension:// url has no IP.
 115           }
 116         },
 117       ],
 118       [  // event order
 119         ["onBeforeRequest", "onBeforeSendHeaders", "onSendHeaders",
 120          "onHeadersReceived", "onErrorOccurred"]
 121       ],
 122       {urls: ["<all_urls>"]},  // filter
 123       ["blocking"]);
 124     navigateAndWait(getURLHttpSimpleLoad());
 125   },
 126
 127   // Navigates to a page and provides invalid header information. The request
 128   // should continue as if the headers were not changed.
 129   function simpleLoadIgnoreOnBeforeSendHeadersInvalidHeaders() {
 130     expect(
 131       [  // events
 132         { label: "onBeforeRequest",
 133           event: "onBeforeRequest",
 134           details: {
 135             method: "GET",
 136             type: "main_frame",
 137             url: getURLHttpSimpleLoad(),
 138             frameUrl: getURLHttpSimpleLoad()
 139           },
 140         },
 141         { label: "onBeforeSendHeaders",
 142           event: "onBeforeSendHeaders",
 143           details: {
 144             url: getURLHttpSimpleLoad(),
 145             requestHeadersValid: true
 146           },
 147           retval: {requestHeaders: [{name: "User-Agent"}]}
 148         },
 149         // The headers were invalid, so they should not be modified.
 150         // TODO(robwu): Test whether an error is logged to the console.
 151         { label: "onSendHeaders",
 152           event: "onSendHeaders",
 153           details: {
 154             url: getURLHttpSimpleLoad(),
 155             requestHeadersValid: true
 156           }
 157         },
 158         { label: "onHeadersReceived",
 159           event: "onHeadersReceived",
 160           details: {
 161             url: getURLHttpSimpleLoad(),
 162             statusLine: "HTTP/1.1 200 OK",
 163           }
 164         },
 165         { label: "onResponseStarted",
 166           event: "onResponseStarted",
 167           details: {
 168             url: getURLHttpSimpleLoad(),
 169             fromCache: false,
 170             statusCode: 200,
 171             ip: "127.0.0.1",
 172             statusLine: "HTTP/1.1 200 OK",
 173           }
 174         },
 175         { label: "onCompleted",
 176           event: "onCompleted",
 177           details: {
 178             url: getURLHttpSimpleLoad(),
 179             fromCache: false,
 180             statusCode: 200,
 181             ip: "127.0.0.1",
 182             statusLine: "HTTP/1.1 200 OK",
 183           }
 184         },
 185       ],
 186       [  // event order
 187         ["onBeforeRequest", "onBeforeSendHeaders", "onSendHeaders",
 188          "onHeadersReceived", "onResponseStarted", "onCompleted"]
 189       ],
 190       {urls: ["<all_urls>"]},  // filter
 191       ["blocking", "requestHeaders"]);
 192     navigateAndWait(getURLHttpSimpleLoad());
 193   },
 194
 195   // Navigates to a page and provides invalid header information. The request
 196   // should continue as if the headers were not changed.
 197   function simpleLoadIgnoreOnBeforeSendHeadersInvalidResponse() {
 198     // Exception handling seems to break this test, so disable it.
 199     // See http://crbug.com/370897. TODO(robwu): Fix me.
 200     chrome.test.setExceptionHandler(function(){});
 201     expect(
 202       [  // events
 203         { label: "onBeforeRequest",
 204           event: "onBeforeRequest",
 205           details: {
 206             method: "GET",
 207             type: "main_frame",
 208             url: getURLHttpSimpleLoad(),
 209             frameUrl: getURLHttpSimpleLoad()
 210           },
 211         },
 212         { label: "onBeforeSendHeaders",
 213           event: "onBeforeSendHeaders",
 214           details: {
 215             url: getURLHttpSimpleLoad(),
 216             requestHeadersValid: true
 217           },
 218           retval: {foo: "bar"}
 219         },
 220         // TODO(robwu): Test whether an error is logged to the console.
 221         { label: "onSendHeaders",
 222           event: "onSendHeaders",
 223           details: {
 224             url: getURLHttpSimpleLoad(),
 225             requestHeadersValid: true
 226           }
 227         },
 228         { label: "onHeadersReceived",
 229           event: "onHeadersReceived",
 230           details: {
 231             url: getURLHttpSimpleLoad(),
 232             statusLine: "HTTP/1.1 200 OK",
 233           }
 234         },
 235         { label: "onResponseStarted",
 236           event: "onResponseStarted",
 237           details: {
 238             url: getURLHttpSimpleLoad(),
 239             fromCache: false,
 240             statusCode: 200,
 241             ip: "127.0.0.1",
 242             statusLine: "HTTP/1.1 200 OK",
 243           }
 244         },
 245         { label: "onCompleted",
 246           event: "onCompleted",
 247           details: {
 248             url: getURLHttpSimpleLoad(),
 249             fromCache: false,
 250             statusCode: 200,
 251             ip: "127.0.0.1",
 252             statusLine: "HTTP/1.1 200 OK",
 253           }
 254         },
 255       ],
 256       [  // event order
 257         ["onBeforeRequest", "onBeforeSendHeaders", "onSendHeaders",
 258          "onHeadersReceived", "onResponseStarted", "onCompleted"]
 259       ],
 260       {urls: ["<all_urls>"]},  // filter
 261       ["blocking", "requestHeaders"]);
 262     navigateAndWait(getURLHttpSimpleLoad());
 263   },
 264
 265   // Navigates to a page with a blocking handler that redirects to a different
 266   // page.
 267   function complexLoadRedirected() {
 268     expect(
 269       [  // events
 270         { label: "onBeforeRequest-1",
 271           event: "onBeforeRequest",
 272           details: {
 273             url: getURL("complexLoad/a.html"),
 274             frameUrl: getURL("complexLoad/a.html")
 275           },
 276           retval: {redirectUrl: getURL("simpleLoad/a.html")}
 277         },
 278         { label: "onBeforeRedirect",
 279           event: "onBeforeRedirect",
 280           details: {
 281             url: getURL("complexLoad/a.html"),
 282             redirectUrl: getURL("simpleLoad/a.html"),
 283             fromCache: false,
 284             statusLine: "HTTP/1.1 307 Internal Redirect",
 285             statusCode: 307,
 286           }
 287         },
 288         { label: "onBeforeRequest-2",
 289           event: "onBeforeRequest",
 290           details: {
 291             url: getURL("simpleLoad/a.html"),
 292             frameUrl: getURL("simpleLoad/a.html"),
 293           },
 294         },
 295         { label: "onResponseStarted",
 296           event: "onResponseStarted",
 297           details: {
 298             url: getURL("simpleLoad/a.html"),
 299             fromCache: false,
 300             statusCode: 200,
 301             statusLine: "HTTP/1.1 200 OK",
 302             // Request to chrome-extension:// url has no IP.
 303           }
 304         },
 305         { label: "onCompleted",
 306           event: "onCompleted",
 307           details: {
 308             url: getURL("simpleLoad/a.html"),
 309             fromCache: false,
 310             statusCode: 200,
 311             statusLine: "HTTP/1.1 200 OK",
 312             // Request to chrome-extension:// url has no IP.
 313           }
 314         },
 315       ],
 316       [  // event order
 317         ["onBeforeRequest-1", "onBeforeRedirect", "onBeforeRequest-2",
 318          "onResponseStarted", "onCompleted"],
 319       ],
 320       {urls: ["<all_urls>"]}, // filter
 321       ["blocking"]);
 322     navigateAndWait(getURL("complexLoad/a.html"));
 323   },
 324
 325   // Tests redirect of <img crossorigin="anonymous" src="...">
 326   function crossOriginAnonymousRedirect() {
 327     testLoadCORSImage("anonymous");
 328   },
 329
 330   // Tests redirect of <img crossorigin="use-credentials" src="...">
 331   function crossOriginCredentialedRedirect() {
 332     testLoadCORSImage("use-credentials");
 333   },
 334
 335   // Loads a testserver page that echoes the User-Agent header that was
 336   // sent to fetch it. We modify the outgoing User-Agent in
 337   // onBeforeSendHeaders, so we should see that modified version.
 338   function modifyRequestHeaders() {
 339     expect(
 340       [  // events
 341         { label: "onBeforeRequest",
 342           event: "onBeforeRequest",
 343           details: {
 344             url: getURLEchoUserAgent(),
 345             frameUrl: getURLEchoUserAgent()
 346           }
 347         },
 348         { label: "onBeforeSendHeaders",
 349           event: "onBeforeSendHeaders",
 350           details: {
 351             url: getURLEchoUserAgent(),
 352             // Note: no requestHeaders because we don't ask for them.
 353           },
 354           retval: {requestHeaders: [{name: "User-Agent", value: "FoobarUA"}]}
 355         },
 356         { label: "onSendHeaders",
 357           event: "onSendHeaders",
 358           details: {
 359             url: getURLEchoUserAgent()
 360           }
 361         },
 362         { label: "onHeadersReceived",
 363           event: "onHeadersReceived",
 364           details: {
 365             url: getURLEchoUserAgent(),
 366             statusLine: "HTTP/1.1 200 OK",
 367           }
 368         },
 369         { label: "onResponseStarted",
 370           event: "onResponseStarted",
 371           details: {
 372             url: getURLEchoUserAgent(),
 373             fromCache: false,
 374             statusCode: 200,
 375             ip: "127.0.0.1",
 376             statusLine: "HTTP/1.1 200 OK",
 377           }
 378         },
 379         { label: "onCompleted",
 380           event: "onCompleted",
 381           details: {
 382             url: getURLEchoUserAgent(),
 383             fromCache: false,
 384             statusCode: 200,
 385             ip: "127.0.0.1",
 386             statusLine: "HTTP/1.1 200 OK",
 387           }
 388         },
 389       ],
 390       [  // event order
 391         ["onBeforeRequest", "onBeforeSendHeaders", "onSendHeaders",
 392          "onHeadersReceived", "onResponseStarted", "onCompleted"]
 393       ],
 394       {urls: ["<all_urls>"]}, ["blocking"]);
 395     // Check the page content for our modified User-Agent string.
 396     navigateAndWait(getURLEchoUserAgent(), function() {
 397       chrome.test.listenOnce(chrome.extension.onRequest, function(request) {
 398         chrome.test.assertTrue(request.pass, "Request header was not set.");
 399       });
 400       chrome.tabs.executeScript(tabId,
 401         {
 402           code: "chrome.extension.sendRequest(" +
 403               "{pass: document.body.innerText.indexOf('FoobarUA') >= 0});"
 404         });
 405     });
 406   },
 407
 408   // Loads a testserver page that echoes the User-Agent header that was
 409   // sent to fetch it. We modify the outgoing User-Agent in
 410   // onBeforeSendHeaders, so we should see that modified version.
 411   // In this version we check whether we can set binary header values.
 412   function modifyBinaryRequestHeaders() {
 413     expect(
 414       [  // events
 415         { label: "onBeforeRequest",
 416           event: "onBeforeRequest",
 417           details: {
 418             url: getURLEchoUserAgent(),
 419             frameUrl: getURLEchoUserAgent()
 420           }
 421         },
 422         { label: "onBeforeSendHeaders",
 423           event: "onBeforeSendHeaders",
 424           details: {
 425             url: getURLEchoUserAgent(),
 426             // Note: no requestHeaders because we don't ask for them.
 427           },
 428           retval: {requestHeaders: [{name: "User-Agent",
 429                                      binaryValue: toCharCodes("FoobarUA")}]}
 430         },
 431         { label: "onSendHeaders",
 432           event: "onSendHeaders",
 433           details: {
 434             url: getURLEchoUserAgent()
 435           }
 436         },
 437         { label: "onHeadersReceived",
 438           event: "onHeadersReceived",
 439           details: {
 440             url: getURLEchoUserAgent(),
 441             statusLine: "HTTP/1.1 200 OK",
 442           }
 443         },
 444         { label: "onResponseStarted",
 445           event: "onResponseStarted",
 446           details: {
 447             url: getURLEchoUserAgent(),
 448             fromCache: false,
 449             statusCode: 200,
 450             ip: "127.0.0.1",
 451             statusLine: "HTTP/1.1 200 OK",
 452           }
 453         },
 454         { label: "onCompleted",
 455           event: "onCompleted",
 456           details: {
 457             url: getURLEchoUserAgent(),
 458             fromCache: false,
 459             statusCode: 200,
 460             ip: "127.0.0.1",
 461             statusLine: "HTTP/1.1 200 OK",
 462           }
 463         },
 464       ],
 465       [  // event order
 466         ["onBeforeRequest", "onBeforeSendHeaders", "onSendHeaders",
 467          "onHeadersReceived", "onResponseStarted", "onCompleted"]
 468       ],
 469       {urls: ["<all_urls>"]}, ["blocking"]);
 470     // Check the page content for our modified User-Agent string.
 471     navigateAndWait(getURLEchoUserAgent(), function() {
 472       chrome.test.listenOnce(chrome.extension.onRequest, function(request) {
 473         chrome.test.assertTrue(request.pass, "Request header was not set.");
 474       });
 475       chrome.tabs.executeScript(tabId,
 476         {
 477           code: "chrome.extension.sendRequest(" +
 478               "{pass: document.body.innerText.indexOf('FoobarUA') >= 0});"
 479         });
 480     });
 481   },
 482
 483   // Loads a testserver page that sets a cookie "Foo=Bar" but removes
 484   // the cookies from the response headers so that they are not set.
 485   function modifyResponseHeaders() {
 486     expect(
 487       [  // events
 488         { label: "onBeforeRequest",
 489           event: "onBeforeRequest",
 490           details: {
 491             method: "GET",
 492             type: "main_frame",
 493             url: getURLSetCookie(),
 494             frameUrl: getURLSetCookie()
 495           }
 496         },
 497         { label: "onBeforeSendHeaders",
 498           event: "onBeforeSendHeaders",
 499           details: {
 500             url: getURLSetCookie(),
 501             // Note: no requestHeaders because we don't ask for them.
 502           },
 503         },
 504         { label: "onSendHeaders",
 505           event: "onSendHeaders",
 506           details: {
 507             url: getURLSetCookie(),
 508           }
 509         },
 510         { label: "onHeadersReceived",
 511           event: "onHeadersReceived",
 512           details: {
 513             url: getURLSetCookie(),
 514             statusLine: "HTTP/1.1 200 OK",
 515             responseHeadersExist: true,
 516           },
 517           retval_function: function(name, details) {
 518             responseHeaders = details.responseHeaders;
 519             var found = false;
 520             for (var i = 0; i < responseHeaders.length; ++i) {
 521               if (responseHeaders[i].name === "Set-Cookie" &&
 522                   responseHeaders[i].value.indexOf("Foo") != -1) {
 523                 found = true;
 524                 responseHeaders.splice(i);
 525                 break;
 526               }
 527             }
 528             chrome.test.assertTrue(found);
 529             return {responseHeaders: responseHeaders};
 530           }
 531         },
 532         { label: "onResponseStarted",
 533           event: "onResponseStarted",
 534           details: {
 535             url: getURLSetCookie(),
 536             fromCache: false,
 537             statusCode: 200,
 538             statusLine: "HTTP/1.1 200 OK",
 539             ip: "127.0.0.1",
 540             responseHeadersExist: true,
 541           }
 542         },
 543         { label: "onCompleted",
 544           event: "onCompleted",
 545           details: {
 546             url: getURLSetCookie(),
 547             fromCache: false,
 548             statusCode: 200,
 549             statusLine: "HTTP/1.1 200 OK",
 550             ip: "127.0.0.1",
 551             responseHeadersExist: true,
 552           }
 553         },
 554       ],
 555       [  // event order
 556         ["onBeforeRequest", "onBeforeSendHeaders", "onSendHeaders",
 557          "onHeadersReceived", "onResponseStarted", "onCompleted"]
 558       ],
 559       {urls: ["<all_urls>"]}, ["blocking", "responseHeaders"]);
 560     // Check that the cookie was really removed.
 561     navigateAndWait(getURLSetCookie(), function() {
 562       chrome.test.listenOnce(chrome.extension.onRequest, function(request) {
 563         chrome.test.assertTrue(request.pass, "Cookie was not removed.");
 564       });
 565       chrome.tabs.executeScript(tabId,
 566       { code: "chrome.extension.sendRequest(" +
 567             "{pass: document.cookie.indexOf('Foo') == -1});"
 568         });
 569     });
 570   },
 571
 572   // Loads a testserver page that sets a cookie "Foo=U+FDD1" which is not a
 573   // valid UTF-8 code point. Therefore, it cannot be passed to JavaScript
 574   // as a normal string.
 575   function handleNonUTF8InModifyResponseHeaders() {
 576     expect(
 577       [  // events
 578         { label: "onBeforeRequest",
 579           event: "onBeforeRequest",
 580           details: {
 581             method: "GET",
 582             type: "main_frame",
 583             url: getURLNonUTF8SetCookie(),
 584             frameUrl: getURLNonUTF8SetCookie()
 585           }
 586         },
 587         { label: "onBeforeSendHeaders",
 588           event: "onBeforeSendHeaders",
 589           details: {
 590             url: getURLNonUTF8SetCookie(),
 591             // Note: no requestHeaders because we don't ask for them.
 592           },
 593         },
 594         { label: "onSendHeaders",
 595           event: "onSendHeaders",
 596           details: {
 597             url: getURLNonUTF8SetCookie(),
 598           }
 599         },
 600         { label: "onHeadersReceived",
 601           event: "onHeadersReceived",
 602           details: {
 603             url: getURLNonUTF8SetCookie(),
 604             statusLine: "HTTP/1.1 200 OK",
 605             responseHeadersExist: true,
 606           },
 607           retval_function: function(name, details) {
 608             responseHeaders = details.responseHeaders;
 609             var found = false;
 610             var expectedValue = [
 611               "F".charCodeAt(0),
 612               "o".charCodeAt(0),
 613               "o".charCodeAt(0),
 614               0x3D, 0xFE, 0xD1
 615               ];
 616
 617             for (var i = 0; i < responseHeaders.length; ++i) {
 618               if (responseHeaders[i].name === "Set-Cookie" &&
 619                   deepEq(responseHeaders[i].binaryValue, expectedValue)) {
 620                 found = true;
 621                 responseHeaders.splice(i);
 622                 break;
 623               }
 624             }
 625             chrome.test.assertTrue(found);
 626             return {responseHeaders: responseHeaders};
 627           }
 628         },
 629         { label: "onResponseStarted",
 630           event: "onResponseStarted",
 631           details: {
 632             url: getURLNonUTF8SetCookie(),
 633             fromCache: false,
 634             statusCode: 200,
 635             statusLine: "HTTP/1.1 200 OK",
 636             ip: "127.0.0.1",
 637             responseHeadersExist: true,
 638           }
 639         },
 640         { label: "onCompleted",
 641           event: "onCompleted",
 642           details: {
 643             url: getURLNonUTF8SetCookie(),
 644             fromCache: false,
 645             statusCode: 200,
 646             statusLine: "HTTP/1.1 200 OK",
 647             ip: "127.0.0.1",
 648             responseHeadersExist: true,
 649           }
 650         },
 651       ],
 652       [  // event order
 653         ["onBeforeRequest", "onBeforeSendHeaders", "onSendHeaders",
 654          "onHeadersReceived", "onResponseStarted", "onCompleted"]
 655       ],
 656       {urls: ["<all_urls>"]}, ["blocking", "responseHeaders"]);
 657     // Check that the cookie was really removed.
 658     navigateAndWait(getURLNonUTF8SetCookie(), function() {
 659       chrome.test.listenOnce(chrome.extension.onRequest, function(request) {
 660         chrome.test.assertTrue(request.pass, "Cookie was not removed.");
 661       });
 662       chrome.tabs.executeScript(tabId,
 663       { code: "chrome.extension.sendRequest(" +
 664             "{pass: document.cookie.indexOf('Foo') == -1});"
 665         });
 666     });
 667   },
 668
 669   // Navigates to a page with a blocking handler that redirects to a different
 670   // non-http page during onHeadersReceived. The requested page should not be
 671   // loaded, and the redirect should succeed.
 672   function simpleLoadRedirectOnReceiveHeaders() {
 673     expect(
 674       [  // events
 675         { label: "onBeforeRequest-1",
 676           event: "onBeforeRequest",
 677           details: {
 678             method: "GET",
 679             type: "main_frame",
 680             url: getURLHttpSimpleLoad(),
 681             frameUrl: getURLHttpSimpleLoad()
 682           },
 683         },
 684         { label: "onBeforeSendHeaders",
 685           event: "onBeforeSendHeaders",
 686           details: {
 687             url: getURLHttpSimpleLoad(),
 688             // Note: no requestHeaders because we don't ask for them.
 689           },
 690         },
 691         { label: "onSendHeaders",
 692           event: "onSendHeaders",
 693           details: {
 694             url: getURLHttpSimpleLoad()
 695           }
 696         },
 697         { label: "onHeadersReceived",
 698           event: "onHeadersReceived",
 699           details: {
 700             url: getURLHttpSimpleLoad(),
 701             statusLine: "HTTP/1.1 200 OK",
 702           },
 703           retval: {redirectUrl: getURL("simpleLoad/a.html")}
 704         },
 705         { label: "onBeforeRedirect",
 706           event: "onBeforeRedirect",
 707           details: {
 708             url: getURLHttpSimpleLoad(),
 709             redirectUrl: getURL("simpleLoad/a.html"),
 710             statusLine: "HTTP/1.1 302 Found",
 711             statusCode: 302,
 712             fromCache: false,
 713             ip: "127.0.0.1",
 714           }
 715         },
 716         { label: "onBeforeRequest-2",
 717           event: "onBeforeRequest",
 718           details: {
 719             url: getURL("simpleLoad/a.html"),
 720             frameUrl: getURL("simpleLoad/a.html"),
 721           },
 722         },
 723         { label: "onResponseStarted",
 724           event: "onResponseStarted",
 725           details: {
 726             url: getURL("simpleLoad/a.html"),
 727             fromCache: false,
 728             statusCode: 200,
 729             statusLine: "HTTP/1.1 200 OK",
 730             // Request to chrome-extension:// url has no IP.
 731           }
 732         },
 733         { label: "onCompleted",
 734           event: "onCompleted",
 735           details: {
 736             url: getURL("simpleLoad/a.html"),
 737             fromCache: false,
 738             statusCode: 200,
 739             statusLine: "HTTP/1.1 200 OK",
 740             // Request to chrome-extension:// url has no IP.
 741           }
 742         },
 743       ],
 744       [  // event order
 745         ["onBeforeRequest-1", "onBeforeSendHeaders", "onSendHeaders",
 746          "onHeadersReceived", "onBeforeRedirect", "onBeforeRequest-2",
 747          "onResponseStarted", "onCompleted"]
 748       ],
 749       {urls: ["<all_urls>"]},  // filter
 750       ["blocking"]);
 751     navigateAndWait(getURLHttpSimpleLoad());
 752   },
 753
 754   // Checks that synchronous XHR requests from ourself are invisible to blocking
 755   // handlers.
 756   function syncXhrsFromOurselfAreInvisible() {
 757     expect(
 758       [  // events
 759         { label: "a-onBeforeRequest",
 760           event: "onBeforeRequest",
 761           details: {
 762             url: getURL("simpleLoad/a.html"),
 763             frameUrl: getURL("simpleLoad/a.html")
 764           }
 765         },
 766         { label: "a-onResponseStarted",
 767           event: "onResponseStarted",
 768           details: {
 769             url: getURL("simpleLoad/a.html"),
 770             statusCode: 200,
 771             fromCache: false,
 772             statusLine: "HTTP/1.1 200 OK",
 773             // Request to chrome-extension:// url has no IP.
 774           }
 775         },
 776         { label: "a-onCompleted",
 777           event: "onCompleted",
 778           details: {
 779             url: getURL("simpleLoad/a.html"),
 780             statusCode: 200,
 781             fromCache: false,
 782             statusLine: "HTTP/1.1 200 OK",
 783             // Request to chrome-extension:// url has no IP.
 784           }
 785         },
 786         // We do not see onBeforeRequest for the XHR request here because it is
 787         // handled by a blocking handler.
 788         { label: "x-onSendHeaders",
 789           event: "onSendHeaders",
 790           details: {
 791             url: getURLHttpXHRData(),
 792             tabId: 1,
 793             type: "xmlhttprequest",
 794           }
 795         },
 796         { label: "x-onResponseStarted",
 797           event: "onResponseStarted",
 798           details: {
 799             url: getURLHttpXHRData(),
 800             statusCode: 200,
 801             fromCache: false,
 802             statusLine: "HTTP/1.1 200 OK",
 803             tabId: 1,
 804             type: "xmlhttprequest",
 805             ip: "127.0.0.1",
 806             // Request to chrome-extension:// url has no IP.
 807           }
 808         },
 809         { label: "x-onCompleted",
 810           event: "onCompleted",
 811           details: {
 812             url: getURLHttpXHRData(),
 813             statusCode: 200,
 814             fromCache: false,
 815             statusLine: "HTTP/1.1 200 OK",
 816             tabId: 1,
 817             type: "xmlhttprequest",
 818             ip: "127.0.0.1",
 819             // Request to chrome-extension:// url has no IP.
 820           }
 821         },
 822         { label: "b-onBeforeRequest",
 823           event: "onBeforeRequest",
 824           details: {
 825             url: getURL("complexLoad/b.jpg"),
 826             frameUrl: getURL("complexLoad/b.jpg")
 827           }
 828         },
 829         { label: "b-onResponseStarted",
 830           event: "onResponseStarted",
 831           details: {
 832             url: getURL("complexLoad/b.jpg"),
 833             statusCode: 200,
 834             fromCache: false,
 835             statusLine: "HTTP/1.1 200 OK",
 836             // Request to chrome-extension:// url has no IP.
 837           }
 838         },
 839         { label: "b-onCompleted",
 840           event: "onCompleted",
 841           details: {
 842             url: getURL("complexLoad/b.jpg"),
 843             statusCode: 200,
 844             fromCache: false,
 845             statusLine: "HTTP/1.1 200 OK",
 846             // Request to chrome-extension:// url has no IP.
 847           }
 848         },
 849       ],
 850       [  // event order
 851         ["a-onBeforeRequest", "a-onResponseStarted", "a-onCompleted",
 852          "x-onSendHeaders", "x-onResponseStarted", "x-onCompleted",
 853          "b-onBeforeRequest", "b-onResponseStarted", "b-onCompleted"]
 854       ],
 855       {urls: ["<all_urls>"]}, ["blocking"]);
 856     // Check the page content for our modified User-Agent string.
 857     navigateAndWait(getURL("simpleLoad/a.html"), function() {
 858         var req = new XMLHttpRequest();
 859         var asynchronous = false;
 860         req.open("GET", getURLHttpXHRData(), asynchronous);
 861         req.send(null);
 862         navigateAndWait(getURL("complexLoad/b.jpg"));
 863     });
 864   },
 865
 866   // Checks that asynchronous XHR requests from ourself are visible to blocking
 867   // handlers.
 868   function asyncXhrsFromOurselfAreVisible() {
 869     expect(
 870       [  // events
 871         { label: "a-onBeforeRequest",
 872           event: "onBeforeRequest",
 873           details: {
 874             url: getURL("simpleLoad/a.html"),
 875             frameUrl: getURL("simpleLoad/a.html")
 876           }
 877         },
 878         { label: "a-onResponseStarted",
 879           event: "onResponseStarted",
 880           details: {
 881             url: getURL("simpleLoad/a.html"),
 882             statusCode: 200,
 883             fromCache: false,
 884             statusLine: "HTTP/1.1 200 OK",
 885             // Request to chrome-extension:// url has no IP.
 886           }
 887         },
 888         { label: "a-onCompleted",
 889           event: "onCompleted",
 890           details: {
 891             url: getURL("simpleLoad/a.html"),
 892             statusCode: 200,
 893             fromCache: false,
 894             statusLine: "HTTP/1.1 200 OK",
 895             // Request to chrome-extension:// url has no IP.
 896           }
 897         },
 898         {
 899           label: "x-onBeforeRequest",
 900           event: "onBeforeRequest",
 901           details: {
 902             url: getURLHttpXHRData(),
 903             tabId: 1,
 904             type: "xmlhttprequest",
 905             frameUrl: "unknown frame URL",
 906           }
 907         },
 908         {
 909           label: "x-onBeforeSendHeaders",
 910           event: "onBeforeSendHeaders",
 911           details: {
 912             url: getURLHttpXHRData(),
 913             tabId: 1,
 914             type: "xmlhttprequest",
 915           }
 916         },
 917         { label: "x-onSendHeaders",
 918           event: "onSendHeaders",
 919           details: {
 920             url: getURLHttpXHRData(),
 921             tabId: 1,
 922             type: "xmlhttprequest",
 923           }
 924         },
 925         { label: "x-onResponseStarted",
 926           event: "onResponseStarted",
 927           details: {
 928             url: getURLHttpXHRData(),
 929             statusCode: 200,
 930             fromCache: false,
 931             statusLine: "HTTP/1.1 200 OK",
 932             tabId: 1,
 933             type: "xmlhttprequest",
 934             ip: "127.0.0.1",
 935             // Request to chrome-extension:// url has no IP.
 936           }
 937         },
 938         {
 939           label: "x-onHeadersReceived",
 940           event: "onHeadersReceived",
 941           details: {
 942             url: getURLHttpXHRData(),
 943             tabId: 1,
 944             type: "xmlhttprequest",
 945             statusLine: "HTTP/1.1 200 OK",
 946           }
 947         },
 948         { label: "x-onCompleted",
 949           event: "onCompleted",
 950           details: {
 951             url: getURLHttpXHRData(),
 952             statusCode: 200,
 953             fromCache: false,
 954             statusLine: "HTTP/1.1 200 OK",
 955             tabId: 1,
 956             type: "xmlhttprequest",
 957             ip: "127.0.0.1",
 958             // Request to chrome-extension:// url has no IP.
 959           }
 960         },
 961         { label: "b-onBeforeRequest",
 962           event: "onBeforeRequest",
 963           details: {
 964             url: getURL("complexLoad/b.jpg"),
 965             frameUrl: getURL("complexLoad/b.jpg")
 966           }
 967         },
 968         { label: "b-onResponseStarted",
 969           event: "onResponseStarted",
 970           details: {
 971             url: getURL("complexLoad/b.jpg"),
 972             statusCode: 200,
 973             fromCache: false,
 974             statusLine: "HTTP/1.1 200 OK",
 975             // Request to chrome-extension:// url has no IP.
 976           }
 977         },
 978         { label: "b-onCompleted",
 979           event: "onCompleted",
 980           details: {
 981             url: getURL("complexLoad/b.jpg"),
 982             statusCode: 200,
 983             fromCache: false,
 984             statusLine: "HTTP/1.1 200 OK",
 985             // Request to chrome-extension:// url has no IP.
 986           }
 987         },
 988       ],
 989       [  // event order
 990         ["a-onBeforeRequest", "a-onResponseStarted", "a-onCompleted",
 991          "x-onBeforeRequest", "x-onBeforeSendHeaders", "x-onSendHeaders",
 992          "x-onHeadersReceived", "x-onResponseStarted", "x-onCompleted"],
 993         ["a-onCompleted", "x-onBeforeRequest",
 994          "b-onBeforeRequest", "b-onResponseStarted", "b-onCompleted"]
 995       ],
 996       {urls: ["<all_urls>"]}, ["blocking"]);
 997     // Check the page content for our modified User-Agent string.
 998     navigateAndWait(getURL("simpleLoad/a.html"), function() {
 999         var req = new XMLHttpRequest();
1000         var asynchronous = true;
1001         req.open("GET", getURLHttpXHRData(), asynchronous);
1002         req.send(null);
1003         navigateAndWait(getURL("complexLoad/b.jpg"));
1004     });
1005   },
1006 ]);
1007
1008
1009 // This helper verifies that extensions can successfully redirect resources even
1010 // if cross-origin access control is in effect via the crossorigin attribute.
1011 // Used by crossOriginAnonymousRedirect and crossOriginCredentialedRedirect.
1012 function testLoadCORSImage(crossOriginAttributeValue) {
1013   // (Non-existent) image URL, with random query string to bust the cache.
1014   var requestedUrl = getServerURL("cors/intercepted_by_extension.gif?" +
1015                                   Math.random(), "original.tld");
1016   var frameUrl = getServerURL(
1017       "extensions/api_test/webrequest/cors/load_image.html?" +
1018       "crossOrigin=" + crossOriginAttributeValue +
1019       "&src=" + encodeURIComponent(requestedUrl));
1020   var redirectTarget = getServerURL(
1021       "extensions/api_test/webrequest/cors/redirect_target.gif", "domain.tld");
1022   expect(
1023     [  // events
1024       { label: "onBeforeRequest-1",
1025         event: "onBeforeRequest",
1026         details: {
1027           type: "image",
1028           url: requestedUrl,
1029           // Frame URL unavailable because requests are filtered by type=image.
1030           frameUrl: "unknown frame URL",
1031         },
1032         retval: {redirectUrl: redirectTarget}
1033       },
1034       { label: "onBeforeRedirect",
1035         event: "onBeforeRedirect",
1036         details: {
1037           type: "image",
1038           url: requestedUrl,
1039           redirectUrl: redirectTarget,
1040           statusLine: "HTTP/1.1 307 Internal Redirect",
1041           statusCode: 307,
1042           fromCache: false,
1043         }
1044       },
1045       { label: "onBeforeRequest-2",
1046         event: "onBeforeRequest",
1047         details: {
1048           type: "image",
1049           url: redirectTarget,
1050           // Frame URL unavailable because requests are filtered by type=image.
1051           frameUrl: "unknown frame URL",
1052         },
1053       },
1054       {
1055         label: "onBeforeSendHeaders",
1056         event: "onBeforeSendHeaders",
1057         details: {
1058           type: "image",
1059           url: redirectTarget,
1060         }
1061       },
1062       {
1063         label: "onSendHeaders",
1064         event: "onSendHeaders",
1065         details: {
1066           type: "image",
1067           url: redirectTarget,
1068         }
1069       },
1070       {
1071         label: "onHeadersReceived",
1072         event: "onHeadersReceived",
1073         details: {
1074           type: "image",
1075           url: redirectTarget,
1076           statusLine: "HTTP/1.1 200 OK",
1077         }
1078       },
1079       { label: "onResponseStarted",
1080         event: "onResponseStarted",
1081         details: {
1082           type: "image",
1083           url: redirectTarget,
1084           fromCache: false,
1085           statusCode: 200,
1086           ip: "127.0.0.1",
1087           statusLine: "HTTP/1.1 200 OK",
1088         }
1089       },
1090       { label: "onCompleted",
1091         event: "onCompleted",
1092         details: {
1093           type: "image",
1094           url: redirectTarget,
1095           fromCache: false,
1096           statusCode: 200,
1097           ip: "127.0.0.1",
1098           statusLine: "HTTP/1.1 200 OK",
1099         }
1100       },
1101       // After the image loads, the test will load the following URL
1102       // to signal that the test succeeded.
1103       {
1104         label: "onBeforeRequest-3",
1105         event: "onBeforeRequest",
1106         details: {
1107           type: "image",
1108           url: getServerURL("signal_that_image_loaded_successfully"),
1109           // Frame URL unavailable because requests are filtered by type=image.
1110           frameUrl: "unknown frame URL",
1111         },
1112         retval: {cancel: true}
1113       },
1114       { label: "onErrorOccurred",
1115         event: "onErrorOccurred",
1116         details: {
1117           type: "image",
1118           url: getServerURL("signal_that_image_loaded_successfully"),
1119           fromCache: false,
1120           error: "net::ERR_BLOCKED_BY_CLIENT",
1121         }
1122       },
1123     ],
1124     [  // event order
1125       ["onBeforeRequest-1", "onBeforeRedirect", "onBeforeRequest-2",
1126        "onBeforeSendHeaders", "onSendHeaders", "onHeadersReceived",
1127        "onResponseStarted", "onCompleted",
1128        "onBeforeRequest-3", "onErrorOccurred"],
1129     ],
1130     {urls: ["<all_urls>"], types: ['image']}, // filter
1131     ["blocking"]);
1132   navigateAndWait(frameUrl);
1133 }