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How to use wssRawPort method in wpt

Best JavaScript code snippet using wpt

common.sub.js

Source:common.sub.js

1/**2 * @fileoverview Utilities for mixed-content in web-platform-tests.3 * @author burnik@google.com (Kristijan Burnik)4 * Disclaimer: Some methods of other authors are annotated in the corresponding5 *     method's JSDoc.6 */7// ===============================================================8// Types9// ===============================================================10// Objects of the following types are used to represent what kind of11// subresource requests should be sent with what kind of policies,12// from what kind of possibly nested source contexts.13// The objects are represented as JSON objects (not JavaScript/Python classes14// in a strict sense) to be passed between JavaScript/Python code.15//16// See also common/security-features/Types.md for high-level description.17/**18  @typedef PolicyDelivery19  @type {object}20  Referrer policy etc. can be applied/delivered in several ways.21  A PolicyDelivery object specifies what policy is delivered and how.22  @property {string} deliveryType23    Specifies how the policy is delivered.24    The valid deliveryType are:25     "attr"26        [A] DOM attributes e.g. referrerPolicy.27      "rel-noref"28        [A] <link rel="noreferrer"> (referrer-policy only).29      "http-rp"30        [B] HTTP response headers.31      "meta"32        [B] <meta> elements.33  @property {string} key34  @property {string} value35    Specifies what policy to be delivered. The valid keys are:36      "referrerPolicy"37        Referrer Policy38        https://w3c.github.io/webappsec-referrer-policy/39        Valid values are those listed in40        https://w3c.github.io/webappsec-referrer-policy/#referrer-policy41        (except that "" is represented as null/None)42  A PolicyDelivery can be specified in several ways:43  - (for [A]) Associated with an individual subresource request and44    specified in `Subresource.policies`,45    e.g. referrerPolicy attributes of DOM elements.46    This is handled in invokeRequest().47  - (for [B]) Associated with an nested environmental settings object and48    specified in `SourceContext.policies`,49    e.g. HTTP referrer-policy response headers of HTML/worker scripts.50    This is handled in server-side under /common/security-features/scope/.51  - (for [B]) Associated with the top-level HTML document.52    This is handled by the generators.d53*/54/**55  @typedef Subresource56  @type {object}57  A Subresource represents how a subresource request is sent.58  @property{SubresourceType} subresourceType59    How the subresource request is sent,60    e.g. "img-tag" for sending a request via <img src>.61    See the keys of `subresourceMap` for valid values.62  @property{string} url63    subresource's URL.64    Typically this is constructed by getRequestURLs() below.65  @property{PolicyDelivery} policyDeliveries66    Policies delivered specific to the subresource request.67*/68/**69  @typedef SourceContext70  @type {object}71  @property {string} sourceContextType72    Kind of the source context to be used.73    Valid values are the keys of `sourceContextMap` below.74  @property {Array<PolicyDelivery>} policyDeliveries75    A list of PolicyDelivery applied to the source context.76*/77// ===============================================================78// General utility functions79// ===============================================================80function timeoutPromise(t, ms) {81  return new Promise(resolve => { t.step_timeout(resolve, ms); });82}83/**84 * Normalizes the target port for use in a URL. For default ports, this is the85 *     empty string (omitted port), otherwise it's a colon followed by the port86 *     number. Ports 80, 443 and an empty string are regarded as default ports.87 * @param {number} targetPort The port to use88 * @return {string} The port portion for using as part of a URL.89 */90function getNormalizedPort(targetPort) {91  return ([80, 443, ""].indexOf(targetPort) >= 0) ? "" : ":" + targetPort;92}93/**94 * Creates a GUID.95 *     See: https://en.wikipedia.org/wiki/Globally_unique_identifier96 *     Original author: broofa (http://www.broofa.com/)97 *     Sourced from: http://stackoverflow.com/a/2117523/494971598 * @return {string} A pseudo-random GUID.99 */100function guid() {101  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {102    var r = Math.random() * 16 | 0, v = c == 'x' ? r : (r & 0x3 | 0x8);103    return v.toString(16);104  });105}106/**107 * Initiates a new XHR via GET.108 * @param {string} url The endpoint URL for the XHR.109 * @param {string} responseType Optional - how should the response be parsed.110 *     Default is "json".111 *     See: https://xhr.spec.whatwg.org/#dom-xmlhttprequest-responsetype112 * @return {Promise} A promise wrapping the success and error events.113 */114function xhrRequest(url, responseType) {115  return new Promise(function(resolve, reject) {116    var xhr = new XMLHttpRequest();117    xhr.open('GET', url, true);118    xhr.responseType = responseType || "json";119    xhr.addEventListener("error", function() {120      reject(Error("Network Error"));121    });122    xhr.addEventListener("load", function() {123      if (xhr.status != 200)124        reject(Error(xhr.statusText));125      else126        resolve(xhr.response);127    });128    xhr.send();129  });130}131/**132 * Sets attributes on a given DOM element.133 * @param {DOMElement} element The element on which to set the attributes.134 * @param {object} An object with keys (serving as attribute names) and values.135 */136function setAttributes(el, attrs) {137  attrs = attrs || {}138  for (var attr in attrs) {139    if (attr !== 'src')140      el.setAttribute(attr, attrs[attr]);141  }142  // Workaround for Chromium: set <img>'s src attribute after all other143  // attributes to ensure the policy is applied.144  for (var attr in attrs) {145    if (attr === 'src')146      el.setAttribute(attr, attrs[attr]);147  }148}149/**150 * Binds to success and error events of an object wrapping them into a promise151 *     available through {@code element.eventPromise}. The success event152 *     resolves and error event rejects.153 * This method adds event listeners, and then removes all the added listeners154 * when one of listened event is fired.155 * @param {object} element An object supporting events on which to bind the156 *     promise.157 * @param {string} resolveEventName [="load"] The event name to bind resolve to.158 * @param {string} rejectEventName [="error"] The event name to bind reject to.159 */160function bindEvents(element, resolveEventName, rejectEventName) {161  element.eventPromise =162      bindEvents2(element, resolveEventName, element, rejectEventName);163}164// Returns a promise wrapping success and error events of objects.165// This is a variant of bindEvents that can accept separate objects for each166// events and two events to reject, and doesn't set `eventPromise`.167//168// When `resolveObject`'s `resolveEventName` event (default: "load") is169// fired, the promise is resolved with the event.170//171// When `rejectObject`'s `rejectEventName` event (default: "error") or172// `rejectObject2`'s `rejectEventName2` event (default: "error") is173// fired, the promise is rejected.174//175// `rejectObject2` is optional.176function bindEvents2(resolveObject, resolveEventName, rejectObject, rejectEventName, rejectObject2, rejectEventName2) {177  return new Promise(function(resolve, reject) {178    const actualResolveEventName = resolveEventName || "load";179    const actualRejectEventName = rejectEventName || "error";180    const actualRejectEventName2 = rejectEventName2 || "error";181    const resolveHandler = function(event) {182      cleanup();183      resolve(event);184    };185    const rejectHandler = function(event) {186      // Chromium starts propagating errors from worker.onerror to187      // window.onerror. This handles the uncaught exceptions in tests.188      event.preventDefault();189      cleanup();190      reject(event);191    };192    const cleanup = function() {193      resolveObject.removeEventListener(actualResolveEventName, resolveHandler);194      rejectObject.removeEventListener(actualRejectEventName, rejectHandler);195      if (rejectObject2) {196        rejectObject2.removeEventListener(actualRejectEventName2, rejectHandler);197      }198    };199    resolveObject.addEventListener(actualResolveEventName, resolveHandler);200    rejectObject.addEventListener(actualRejectEventName, rejectHandler);201    if (rejectObject2) {202      rejectObject2.addEventListener(actualRejectEventName2, rejectHandler);203    }204  });205}206/**207 * Creates a new DOM element.208 * @param {string} tagName The type of the DOM element.209 * @param {object} attrs A JSON with attributes to apply to the element.210 * @param {DOMElement} parent Optional - an existing DOM element to append to211 *     If not provided, the returned element will remain orphaned.212 * @param {boolean} doBindEvents Optional - Whether to bind to load and error213 *     events and provide the promise wrapping the events via the element's214 *     {@code eventPromise} property. Default value evaluates to false.215 * @return {DOMElement} The newly created DOM element.216 */217function createElement(tagName, attrs, parentNode, doBindEvents) {218  var element = document.createElement(tagName);219  if (doBindEvents) {220    bindEvents(element);221    if (element.tagName == "IFRAME" && !('srcdoc' in attrs || 'src' in attrs)) {222      // If we're loading a frame, ensure we spin the event loop after load to223      // paper over the different event timing in Gecko vs Blink/WebKit224      // see https://github.com/whatwg/html/issues/4965225      element.eventPromise = element.eventPromise.then(() => {226        return new Promise(resolve => setTimeout(resolve, 0))227      });228    }229  }230  // We set the attributes after binding to events to catch any231  // event-triggering attribute changes. E.g. form submission.232  //233  // But be careful with images: unlike other elements they will start the load234  // as soon as the attr is set, even if not in the document yet, and sometimes235  // complete it synchronously, so the append doesn't have the effect we want.236  // So for images, we want to set the attrs after appending, whereas for other237  // elements we want to do it before appending.238  var isImg = (tagName == "img");239  if (!isImg)240    setAttributes(element, attrs);241  if (parentNode)242    parentNode.appendChild(element);243  if (isImg)244    setAttributes(element, attrs);245  return element;246}247function createRequestViaElement(tagName, attrs, parentNode) {248  return createElement(tagName, attrs, parentNode, true).eventPromise;249}250function wrapResult(server_data) {251  if (typeof(server_data) === "string") {252    throw server_data;253  }254  return {255    referrer: server_data.headers.referer,256    headers: server_data.headers257  }258}259// ===============================================================260// Subresources261// ===============================================================262/**263  @typedef RequestResult264  @type {object}265  Represents the result of sending an request.266  All properties are optional. See the comments for267  requestVia*() and invokeRequest() below to see which properties are set.268  @property {Array<Object<string, string>>} headers269    HTTP request headers sent to server.270  @property {string} referrer - Referrer.271  @property {string} location - The URL of the subresource.272  @property {string} sourceContextUrl273    the URL of the global object where the actual request is sent.274*/275/**276  requestVia*(url, additionalAttributes) functions send a subresource277  request from the current environment settings object.278  @param {string} url279    The URL of the subresource.280  @param {Object<string, string>} additionalAttributes281    Additional attributes set to DOM elements282    (element-initiated requests only).283  @returns {Promise} that are resolved with a RequestResult object284  on successful requests.285  - Category 1:286      `headers`: set.287      `referrer`: set via `document.referrer`.288      `location`: set via `document.location`.289      See `template/document.html.template`.290  - Category 2:291      `headers`: set.292      `referrer`: set to `headers.referer` by `wrapResult()`.293      `location`: not set.294  - Category 3:295      All the keys listed above are NOT set.296  `sourceContextUrl` is not set here.297  -------------------------------- -------- --------------------------298  Function name                    Category Used in299                                            -------- ------- ---------300                                            referrer mixed-  upgrade-301                                            policy   content insecure-302                                            policy   content request303  -------------------------------- -------- -------- ------- ---------304  requestViaAnchor                 1        Y        Y       -305  requestViaArea                   1        Y        Y       -306  requestViaAudio                  3        -        Y       -307  requestViaDedicatedWorker        2        Y        Y       Y308  requestViaFetch                  2        Y        Y       -309  requestViaForm                   2        -        Y       -310  requestViaIframe                 1        Y        Y       -311  requestViaImage                  2        Y        Y       -312  requestViaLinkPrefetch           3        -        Y       -313  requestViaLinkStylesheet         3        -        Y       -314  requestViaObject                 3        -        Y       -315  requestViaPicture                3        -        Y       -316  requestViaScript                 2        Y        Y       -317  requestViaSendBeacon             3        -        Y       -318  requestViaSharedWorker           2        Y        Y       Y319  requestViaVideo                  3        -        Y       -320  requestViaWebSocket              3        -        Y       -321  requestViaWorklet                3        -        Y       Y322  requestViaXhr                    2        Y        Y       -323  -------------------------------- -------- -------- ------- ---------324*/325/**326 * Creates a new iframe, binds load and error events, sets the src attribute and327 *     appends it to {@code document.body} .328 * @param {string} url The src for the iframe.329 * @return {Promise} The promise for success/error events.330 */331function requestViaIframe(url, additionalAttributes) {332  const iframe = createElement(333      "iframe",334      Object.assign({"src": url}, additionalAttributes),335      document.body,336      false);337  return bindEvents2(window, "message", iframe, "error", window, "error")338      .then(event => {339          if (event.source !== iframe.contentWindow)340            return Promise.reject(new Error('Unexpected event.source'));341          return event.data;342        });343}344/**345 * Creates a new image, binds load and error events, sets the src attribute and346 *     appends it to {@code document.body} .347 * @param {string} url The src for the image.348 * @return {Promise} The promise for success/error events.349 */350function requestViaImage(url, additionalAttributes) {351  const img = createElement(352      "img",353      // crossOrigin attribute is added to read the pixel data of the response.354      Object.assign({"src": url, "crossOrigin": "Anonymous"}, additionalAttributes),355      document.body, true);356  return img.eventPromise.then(() => wrapResult(decodeImageData(img)));357}358// Helper for requestViaImage().359function decodeImageData(img) {360  var canvas = document.createElement("canvas");361  var context = canvas.getContext('2d');362  context.drawImage(img, 0, 0);363  var imgData = context.getImageData(0, 0, img.clientWidth, img.clientHeight);364  const rgba = imgData.data;365  let decodedBytes = new Uint8ClampedArray(rgba.length);366  let decodedLength = 0;367  for (var i = 0; i + 12 <= rgba.length; i += 12) {368    // A single byte is encoded in three pixels. 8 pixel octets (among369    // 9 octets = 3 pixels * 3 channels) are used to encode 8 bits,370    // the most significant bit first, where `0` and `255` in pixel values371    // represent `0` and `1` in bits, respectively.372    // This encoding is used to avoid errors due to different color spaces.373    const bits = [];374    for (let j = 0; j < 3; ++j) {375      bits.push(rgba[i + j * 4 + 0]);376      bits.push(rgba[i + j * 4 + 1]);377      bits.push(rgba[i + j * 4 + 2]);378      // rgba[i + j * 4 + 3]: Skip alpha channel.379    }380    // The last one element is not used.381    bits.pop();382    // Decode a single byte.383    let byte = 0;384    for (let j = 0; j < 8; ++j) {385      byte <<= 1;386      if (bits[j] >= 128)387        byte |= 1;388    }389    // Zero is the string terminator.390    if (byte == 0)391      break;392    decodedBytes[decodedLength++] = byte;393  }394  // Remove trailing nulls from data.395  decodedBytes = decodedBytes.subarray(0, decodedLength);396  var string_data = (new TextDecoder("ascii")).decode(decodedBytes);397  return JSON.parse(string_data);398}399/**400 * Initiates a new XHR GET request to provided URL.401 * @param {string} url The endpoint URL for the XHR.402 * @return {Promise} The promise for success/error events.403 */404function requestViaXhr(url) {405  return xhrRequest(url).then(result => wrapResult(result));406}407/**408 * Initiates a new GET request to provided URL via the Fetch API.409 * @param {string} url The endpoint URL for the Fetch.410 * @return {Promise} The promise for success/error events.411 */412function requestViaFetch(url) {413  return fetch(url)414    .then(res => res.json())415    .then(j => wrapResult(j));416}417function dedicatedWorkerUrlThatFetches(url) {418  return `data:text/javascript,419    fetch('${url}')420      .then(r => r.json())421      .then(j => postMessage(j))422      .catch((e) => postMessage(e.message));`;423}424function workerUrlThatImports(url) {425  return `/common/security-features/subresource/static-import.py` +426      `?import_url=${encodeURIComponent(url)}`;427}428function workerDataUrlThatImports(url) {429  return `data:text/javascript,import '${url}';`;430}431/**432 * Creates a new Worker, binds message and error events wrapping them into.433 *     {@code worker.eventPromise} and posts an empty string message to start434 *     the worker.435 * @param {string} url The endpoint URL for the worker script.436 * @param {object} options The options for Worker constructor.437 * @return {Promise} The promise for success/error events.438 */439function requestViaDedicatedWorker(url, options) {440  var worker;441  try {442    worker = new Worker(url, options);443  } catch (e) {444    return Promise.reject(e);445  }446  worker.postMessage('');447  return bindEvents2(worker, "message", worker, "error")448    .then(event => wrapResult(event.data));449}450function requestViaSharedWorker(url, options) {451  var worker;452  try {453    worker = new SharedWorker(url, options);454  } catch(e) {455    return Promise.reject(e);456  }457  const promise = bindEvents2(worker.port, "message", worker, "error")458    .then(event => wrapResult(event.data));459  worker.port.start();460  return promise;461}462// Returns a reference to a worklet object corresponding to a given type.463function get_worklet(type) {464  if (type == 'animation')465    return CSS.animationWorklet;466  if (type == 'layout')467    return CSS.layoutWorklet;468  if (type == 'paint')469    return CSS.paintWorklet;470  if (type == 'audio')471    return new OfflineAudioContext(2,44100*40,44100).audioWorklet;472  throw new Error('unknown worklet type is passed.');473}474function requestViaWorklet(type, url) {475  try {476    return get_worklet(type).addModule(url);477  } catch (e) {478    return Promise.reject(e);479  }480}481/**482 * Creates a navigable element with the name `navigableElementName`483 * (<a>, <area>, or <form>) under `parentNode`, and484 * performs a navigation by `trigger()` (e.g. clicking <a>).485 * To avoid navigating away from the current execution context,486 * a target attribute is set to point to a new helper iframe.487 * @param {string} navigableElementName488 * @param {object} additionalAttributes The attributes of the navigable element.489 * @param {DOMElement} parentNode490 * @param {function(DOMElement} trigger A callback called after the navigable491 * element is inserted and should trigger navigation using the element.492 * @return {Promise} The promise for success/error events.493 */494function requestViaNavigable(navigableElementName, additionalAttributes,495                             parentNode, trigger) {496  const name = guid();497  const iframe =498    createElement("iframe", {"name": name, "id": name}, parentNode, false);499  const navigable = createElement(500      navigableElementName,501      Object.assign({"target": name}, additionalAttributes),502      parentNode, false);503  const promise =504    bindEvents2(window, "message", iframe, "error", window, "error")505      .then(event => {506          if (event.source !== iframe.contentWindow)507            return Promise.reject(new Error('Unexpected event.source'));508          return event.data;509        });510  trigger(navigable);511  return promise;512}513/**514 * Creates a new anchor element, appends it to {@code document.body} and515 *     performs the navigation.516 * @param {string} url The URL to navigate to.517 * @return {Promise} The promise for success/error events.518 */519function requestViaAnchor(url, additionalAttributes) {520  return requestViaNavigable(521      "a",522      Object.assign({"href": url, "innerHTML": "Link to resource"},523                    additionalAttributes),524      document.body, a => a.click());525}526/**527 * Creates a new area element, appends it to {@code document.body} and performs528 *     the navigation.529 * @param {string} url The URL to navigate to.530 * @return {Promise} The promise for success/error events.531 */532function requestViaArea(url, additionalAttributes) {533  // TODO(kristijanburnik): Append to map and add image.534  return requestViaNavigable(535      "area",536      Object.assign({"href": url}, additionalAttributes),537      document.body, area => area.click());538}539/**540 * Creates a new script element, sets the src to url, and appends it to541 *     {@code document.body}.542 * @param {string} url The src URL.543 * @return {Promise} The promise for success/error events.544 */545function requestViaScript(url, additionalAttributes) {546  const script = createElement(547      "script",548      Object.assign({"src": url}, additionalAttributes),549      document.body,550      false);551  return bindEvents2(window, "message", script, "error", window, "error")552    .then(event => wrapResult(event.data));553}554/**555 * Creates a new script element that performs a dynamic import to `url`, and556 * appends the script element to {@code document.body}.557 * @param {string} url The src URL.558 * @return {Promise} The promise for success/error events.559 */560function requestViaDynamicImport(url, additionalAttributes) {561  const scriptUrl = `data:text/javascript,import("${url}");`;562  const script = createElement(563      "script",564      Object.assign({"src": scriptUrl}, additionalAttributes),565      document.body,566      false);567  return bindEvents2(window, "message", script, "error", window, "error")568    .then(event => wrapResult(event.data));569}570/**571 * Creates a new form element, sets attributes, appends it to572 *     {@code document.body} and submits the form.573 * @param {string} url The URL to submit to.574 * @return {Promise} The promise for success/error events.575 */576function requestViaForm(url, additionalAttributes) {577  return requestViaNavigable(578      "form",579      Object.assign({"action": url, "method": "POST"}, additionalAttributes),580      document.body, form => form.submit());581}582/**583 * Creates a new link element for a stylesheet, binds load and error events,584 *     sets the href to url and appends it to {@code document.head}.585 * @param {string} url The URL for a stylesheet.586 * @return {Promise} The promise for success/error events.587 */588function requestViaLinkStylesheet(url) {589  return createRequestViaElement("link",590                                 {"rel": "stylesheet", "href": url},591                                 document.head);592}593/**594 * Creates a new link element for a prefetch, binds load and error events, sets595 *     the href to url and appends it to {@code document.head}.596 * @param {string} url The URL of a resource to prefetch.597 * @return {Promise} The promise for success/error events.598 */599function requestViaLinkPrefetch(url) {600  var link = document.createElement('link');601  if (link.relList && link.relList.supports && link.relList.supports("prefetch")) {602    return createRequestViaElement("link",603                                   {"rel": "prefetch", "href": url},604                                   document.head);605  } else {606    return Promise.reject("This browser does not support 'prefetch'.");607  }608}609/**610 * Initiates a new beacon request.611 * @param {string} url The URL of a resource to prefetch.612 * @return {Promise} The promise for success/error events.613 */614async function requestViaSendBeacon(url) {615  function wait(ms) {616    return new Promise(resolve => step_timeout(resolve, ms));617  }618  if (!navigator.sendBeacon(url)) {619    // If mixed-content check fails, it should return false.620    throw new Error('sendBeacon() fails.');621  }622  // We don't have a means to see the result of sendBeacon() request623  // for sure. Let's wait for a while and let the generic test function624  // ask the server for the result.625  await wait(500);626  return 'allowed';627}628/**629 * Creates a new media element with a child source element, binds loadeddata and630 *     error events, sets attributes and appends to document.body.631 * @param {string} type The type of the media element (audio/video/picture).632 * @param {object} media_attrs The attributes for the media element.633 * @param {object} source_attrs The attributes for the child source element.634 * @return {DOMElement} The newly created media element.635 */636function createMediaElement(type, media_attrs, source_attrs) {637  var mediaElement = createElement(type, {});638  var sourceElement = createElement("source", {});639  mediaElement.eventPromise = new Promise(function(resolve, reject) {640    mediaElement.addEventListener("loadeddata", function (e) {641      resolve(e);642    });643    // Safari doesn't fire an `error` event when blocking mixed content.644    mediaElement.addEventListener("stalled", function(e) {645      reject(e);646    });647    sourceElement.addEventListener("error", function(e) {648      reject(e);649    });650  });651  setAttributes(mediaElement, media_attrs);652  setAttributes(sourceElement, source_attrs);653  mediaElement.appendChild(sourceElement);654  document.body.appendChild(mediaElement);655  return mediaElement;656}657/**658 * Creates a new video element, binds loadeddata and error events, sets659 *     attributes and source URL and appends to {@code document.body}.660 * @param {string} url The URL of the video.661 * @return {Promise} The promise for success/error events.662 */663function requestViaVideo(url) {664  return createMediaElement("video",665                            {},666                            {"src": url}).eventPromise;667}668/**669 * Creates a new audio element, binds loadeddata and error events, sets670 *     attributes and source URL and appends to {@code document.body}.671 * @param {string} url The URL of the audio.672 * @return {Promise} The promise for success/error events.673 */674function requestViaAudio(url) {675  return createMediaElement("audio",676                            {},677                            {"type": "audio/wav", "src": url}).eventPromise;678}679/**680 * Creates a new picture element, binds loadeddata and error events, sets681 *     attributes and source URL and appends to {@code document.body}. Also682 *     creates new image element appending it to the picture683 * @param {string} url The URL of the image for the source and image elements.684 * @return {Promise} The promise for success/error events.685 */686function requestViaPicture(url) {687  var picture = createMediaElement("picture", {}, {"srcset": url,688                                                "type": "image/png"});689  return createRequestViaElement("img", {"src": url}, picture);690}691/**692 * Creates a new object element, binds load and error events, sets the data to693 *     url, and appends it to {@code document.body}.694 * @param {string} url The data URL.695 * @return {Promise} The promise for success/error events.696 */697function requestViaObject(url) {698  return createRequestViaElement("object", {"data": url, "type": "text/html"}, document.body);699}700/**701 * Creates a new WebSocket pointing to {@code url} and sends a message string702 * "echo". The {@code message} and {@code error} events are triggering the703 * returned promise resolve/reject events.704 * @param {string} url The URL for WebSocket to connect to.705 * @return {Promise} The promise for success/error events.706 */707function requestViaWebSocket(url) {708  return new Promise(function(resolve, reject) {709    var websocket = new WebSocket(url);710    websocket.addEventListener("message", function(e) {711      resolve(e.data);712    });713    websocket.addEventListener("open", function(e) {714      websocket.send("echo");715    });716    websocket.addEventListener("error", function(e) {717      reject(e)718    });719  })720  .then(data => {721      return JSON.parse(data);722    });723}724/**725  @typedef SubresourceType726  @type {string}727  Represents how a subresource is sent.728  The keys of `subresourceMap` below are the valid values.729*/730// Subresource paths and invokers.731const subresourceMap = {732  "a-tag": {733    path: "/common/security-features/subresource/document.py",734    invoker: requestViaAnchor,735  },736  "area-tag": {737    path: "/common/security-features/subresource/document.py",738    invoker: requestViaArea,739  },740  "audio-tag": {741    path: "/common/security-features/subresource/audio.py",742    invoker: requestViaAudio,743  },744  "beacon": {745    path: "/common/security-features/subresource/empty.py",746    invoker: requestViaSendBeacon,747  },748  "fetch": {749    path: "/common/security-features/subresource/xhr.py",750    invoker: requestViaFetch,751  },752  "form-tag": {753    path: "/common/security-features/subresource/document.py",754    invoker: requestViaForm,755  },756  "iframe-tag": {757    path: "/common/security-features/subresource/document.py",758    invoker: requestViaIframe,759  },760  "img-tag": {761    path: "/common/security-features/subresource/image.py",762    invoker: requestViaImage,763  },764  "link-css-tag": {765    path: "/common/security-features/subresource/empty.py",766    invoker: requestViaLinkStylesheet,767  },768  "link-prefetch-tag": {769    path: "/common/security-features/subresource/empty.py",770    invoker: requestViaLinkPrefetch,771  },772  "object-tag": {773    path: "/common/security-features/subresource/empty.py",774    invoker: requestViaObject,775  },776  "picture-tag": {777    path: "/common/security-features/subresource/image.py",778    invoker: requestViaPicture,779  },780  "script-tag": {781    path: "/common/security-features/subresource/script.py",782    invoker: requestViaScript,783  },784  "script-tag-dynamic-import": {785    path: "/common/security-features/subresource/script.py",786    invoker: requestViaDynamicImport,787  },788  "video-tag": {789    path: "/common/security-features/subresource/video.py",790    invoker: requestViaVideo,791  },792  "xhr": {793    path: "/common/security-features/subresource/xhr.py",794    invoker: requestViaXhr,795  },796  "worker-classic": {797    path: "/common/security-features/subresource/worker.py",798    invoker: url => requestViaDedicatedWorker(url),799  },800  "worker-module": {801    path: "/common/security-features/subresource/worker.py",802    invoker: url => requestViaDedicatedWorker(url, {type: "module"}),803  },804  "worker-import": {805    path: "/common/security-features/subresource/worker.py",806    invoker: url =>807        requestViaDedicatedWorker(workerUrlThatImports(url), {type: "module"}),808  },809  "worker-import-data": {810    path: "/common/security-features/subresource/worker.py",811    invoker: url =>812        requestViaDedicatedWorker(workerDataUrlThatImports(url), {type: "module"}),813  },814  "sharedworker-classic": {815    path: "/common/security-features/subresource/shared-worker.py",816    invoker: url => requestViaSharedWorker(url),817  },818  "sharedworker-module": {819    path: "/common/security-features/subresource/shared-worker.py",820    invoker: url => requestViaSharedWorker(url, {type: "module"}),821  },822  "sharedworker-import": {823    path: "/common/security-features/subresource/shared-worker.py",824    invoker: url =>825        requestViaSharedWorker(workerUrlThatImports(url), {type: "module"}),826  },827  "sharedworker-import-data": {828    path: "/common/security-features/subresource/shared-worker.py",829    invoker: url =>830        requestViaSharedWorker(workerDataUrlThatImports(url), {type: "module"}),831  },832  "websocket": {833    path: "/stash_responder",834    invoker: requestViaWebSocket,835  },836};837for (const workletType of ['animation', 'audio', 'layout', 'paint']) {838  subresourceMap[`worklet-${workletType}`] = {839      path: "/common/security-features/subresource/worker.py",840      invoker: url => requestViaWorklet(workletType, url)841    };842  subresourceMap[`worklet-${workletType}-import-data`] = {843      path: "/common/security-features/subresource/worker.py",844      invoker: url =>845          requestViaWorklet(workletType, workerDataUrlThatImports(url))846    };847}848/**849  @typedef RedirectionType850  @type {string}851  Represents what redirects should occur to the subresource request852  after initial request.853  See preprocess_redirection() in854  /common/security-features/subresource/subresource.py for valid values.855*/856/**857  Construct subresource (and related) origin.858  @param {string} originType859  @returns {object} the origin of the subresource.860*/861function getSubresourceOrigin(originType) {862  const httpProtocol = "http";863  const httpsProtocol = "https";864  const wsProtocol = "ws";865  const wssProtocol = "wss";866  const sameOriginHost = "{{host}}";867  const crossOriginHost = "{{domains[www1]}}";868  // These values can evaluate to either empty strings or a ":port" string.869  const httpPort = getNormalizedPort(parseInt("{{ports[http][0]}}", 10));870  const httpsRawPort = parseInt("{{ports[https][0]}}", 10);871  const httpsPort = getNormalizedPort(httpsRawPort);872  const wsPort = getNormalizedPort(parseInt("{{ports[ws][0]}}", 10));873  const wssRawPort = parseInt("{{ports[wss][0]}}", 10);874  const wssPort = getNormalizedPort(wssRawPort);875  /**876    @typedef OriginType877    @type {string}878    Represents the origin of the subresource request URL.879    The keys of `originMap` below are the valid values.880    Note that there can be redirects from the specified origin881    (see RedirectionType), and thus the origin of the subresource882    response URL might be different from what is specified by OriginType.883  */884  const originMap = {885    "same-https": httpsProtocol + "://" + sameOriginHost + httpsPort,886    "same-http": httpProtocol + "://" + sameOriginHost + httpPort,887    "cross-https": httpsProtocol + "://" + crossOriginHost + httpsPort,888    "cross-http": httpProtocol + "://" + crossOriginHost + httpPort,889    "same-wss": wssProtocol + "://" + sameOriginHost + wssPort,890    "same-ws": wsProtocol + "://" + sameOriginHost + wsPort,891    "cross-wss": wssProtocol + "://" + crossOriginHost + wssPort,892    "cross-ws": wsProtocol + "://" + crossOriginHost + wsPort,893    // The following origin types are used for upgrade-insecure-requests tests:894    // These rely on some unintuitive cleverness due to WPT's test setup:895    // 'Upgrade-Insecure-Requests' does not upgrade the port number,896    // so we use URLs in the form `http://[domain]:[https-port]`,897    // which will be upgraded to `https://[domain]:[https-port]`.898    // If the upgrade fails, the load will fail, as we don't serve HTTP over899    // the secure port.900    "same-http-downgrade":901        httpProtocol + "://" + sameOriginHost + ":" + httpsRawPort,902    "cross-http-downgrade":903        httpProtocol + "://" + crossOriginHost + ":" + httpsRawPort,904    "same-ws-downgrade":905        wsProtocol + "://" + sameOriginHost + ":" + wssRawPort,906    "cross-ws-downgrade":907        wsProtocol + "://" + crossOriginHost + ":" + wssRawPort,908  };909  return originMap[originType];910}911/**912  Construct subresource (and related) URLs.913  @param {SubresourceType} subresourceType914  @param {OriginType} originType915  @param {RedirectionType} redirectionType916  @returns {object} with following properties:917    {string} testUrl918      The subresource request URL.919    {string} announceUrl920    {string} assertUrl921      The URLs to be used for detecting whether `testUrl` is actually sent922      to the server.923      1. Fetch `announceUrl` first,924      2. then possibly fetch `testUrl`, and925      3. finally fetch `assertUrl`.926         The fetch result of `assertUrl` should indicate whether927         `testUrl` is actually sent to the server or not.928*/929function getRequestURLs(subresourceType, originType, redirectionType) {930  const key = guid();931  const value = guid();932  // We use the same stash path for both HTTP/S and WS/S stash requests.933  const stashPath = encodeURIComponent("/mixed-content");934  const stashEndpoint = "/common/security-features/subresource/xhr.py?key=" +935                        key + "&path=" + stashPath;936  return {937    testUrl:938      getSubresourceOrigin(originType) +939        subresourceMap[subresourceType].path +940        "?redirection=" + encodeURIComponent(redirectionType) +941        "&action=purge&key=" + key +942        "&path=" + stashPath,943    announceUrl: stashEndpoint + "&action=put&value=" + value,944    assertUrl: stashEndpoint + "&action=take",945  };946}947// ===============================================================948// Source Context949// ===============================================================950// Requests can be sent from several source contexts,951// such as the main documents, iframes, workers, or so,952// possibly nested, and possibly with <meta>/http headers added.953// invokeRequest() and invokeFrom*() functions handles954// SourceContext-related setup in client-side.955/**956  invokeRequest() invokes a subresource request957  (specified as `subresource`)958  from a (possibly nested) environment settings object959  (specified as `sourceContextList`).960  For nested contexts, invokeRequest() calls an invokeFrom*() function961  that creates a nested environment settings object using962  /common/security-features/scope/, which calls invokeRequest()963  again inside the nested environment settings object.964  This cycle continues until all specified965  nested environment settings object are created, and966  finally invokeRequest() calls a requestVia*() function to start the967  subresource request from the inner-most environment settings object.968  @param {Subresource} subresource969  @param {Array<SourceContext>} sourceContextList970  @returns {Promise} A promise that is resolved with an RequestResult object.971  `sourceContextUrl` is always set. For whether other properties are set,972  see the comments for requestVia*() above.973*/974function invokeRequest(subresource, sourceContextList) {975  if (sourceContextList.length === 0) {976    // No further nested global objects. Send the subresource request here.977    const additionalAttributes = {};978    /** @type {PolicyDelivery} policyDelivery */979    for (const policyDelivery of (subresource.policyDeliveries || [])) {980      // Depending on the delivery method, extend the subresource element with981      // these attributes.982      if (policyDelivery.deliveryType === "attr") {983        additionalAttributes[policyDelivery.key] = policyDelivery.value;984      } else if (policyDelivery.deliveryType === "rel-noref") {985        additionalAttributes["rel"] = "noreferrer";986      }987    }988    return subresourceMap[subresource.subresourceType].invoker(989        subresource.url,990        additionalAttributes)991      .then(result => Object.assign(992          {sourceContextUrl: location.toString()},993          result));994  }995  // Defines invokers for each valid SourceContext.sourceContextType.996  const sourceContextMap = {997    "srcdoc": { // <iframe srcdoc></iframe>998      invoker: invokeFromIframe,999    },1000    "iframe": { // <iframe src="same-origin-URL"></iframe>1001      invoker: invokeFromIframe,1002    },1003    "iframe-blank": { // <iframe></iframe>1004      invoker: invokeFromIframe,1005    },1006    "worker-classic": {1007      // Classic dedicated worker loaded from same-origin.1008      invoker: invokeFromWorker.bind(undefined, "worker", false, {}),1009    },1010    "worker-classic-data": {1011      // Classic dedicated worker loaded from data: URL.1012      invoker: invokeFromWorker.bind(undefined, "worker", true, {}),1013    },1014    "worker-module": {1015      // Module dedicated worker loaded from same-origin.1016      invoker: invokeFromWorker.bind(undefined, "worker", false, {type: 'module'}),1017    },1018    "worker-module-data": {1019      // Module dedicated worker loaded from data: URL.1020      invoker: invokeFromWorker.bind(undefined, "worker", true, {type: 'module'}),1021    },1022    "sharedworker-classic": {1023      // Classic shared worker loaded from same-origin.1024      invoker: invokeFromWorker.bind(undefined, "sharedworker", false, {}),1025    },1026    "sharedworker-classic-data": {1027      // Classic shared worker loaded from data: URL.1028      invoker: invokeFromWorker.bind(undefined, "sharedworker", true, {}),1029    },1030    "sharedworker-module": {1031      // Module shared worker loaded from same-origin.1032      invoker: invokeFromWorker.bind(undefined, "sharedworker", false, {type: 'module'}),1033    },1034    "sharedworker-module-data": {1035      // Module shared worker loaded from data: URL.1036      invoker: invokeFromWorker.bind(undefined, "sharedworker", true, {type: 'module'}),1037    },1038  };1039  return sourceContextMap[sourceContextList[0].sourceContextType].invoker(1040      subresource, sourceContextList);1041}1042// Quick hack to expose invokeRequest when common.sub.js is loaded either1043// as a classic or module script.1044self.invokeRequest = invokeRequest;1045/**1046  invokeFrom*() functions are helper functions with the same parameters1047  and return values as invokeRequest(), that are tied to specific types1048  of top-most environment settings objects.1049  For example, invokeFromIframe() is the helper function for the cases where1050  sourceContextList[0] is an iframe.1051*/1052/**1053  @param {string} workerType1054    "worker" (for dedicated worker) or "sharedworker".1055  @param {boolean} isDataUrl1056    true if the worker script is loaded from data: URL.1057    Otherwise, the script is loaded from same-origin.1058  @param {object} workerOptions1059    The `options` argument for Worker constructor.1060  Other parameters and return values are the same as those of invokeRequest().1061*/1062function invokeFromWorker(workerType, isDataUrl, workerOptions,1063                          subresource, sourceContextList) {1064  const currentSourceContext = sourceContextList[0];1065  let workerUrl =1066    "/common/security-features/scope/worker.py?policyDeliveries=" +1067    encodeURIComponent(JSON.stringify(1068        currentSourceContext.policyDeliveries || []));1069  if (workerOptions.type === 'module') {1070    workerUrl += "&type=module";1071  }1072  let promise;1073  if (isDataUrl) {1074    promise = fetch(workerUrl)1075      .then(r => r.text())1076      .then(source => {1077          return 'data:text/javascript;base64,' + btoa(source);1078        });1079  } else {1080    promise = Promise.resolve(workerUrl);1081  }1082  return promise1083    .then(url => {1084      if (workerType === "worker") {1085        const worker = new Worker(url, workerOptions);1086        worker.postMessage({subresource: subresource,1087                            sourceContextList: sourceContextList.slice(1)});1088        return bindEvents2(worker, "message", worker, "error", window, "error");1089      } else if (workerType === "sharedworker") {1090        const worker = new SharedWorker(url, workerOptions);1091        worker.port.start();1092        worker.port.postMessage({subresource: subresource,1093                                 sourceContextList: sourceContextList.slice(1)});1094        return bindEvents2(worker.port, "message", worker, "error", window, "error");1095      } else {1096        throw new Error('Invalid worker type: ' + workerType);1097      }1098    })1099    .then(event => {1100        if (event.data.error)1101          return Promise.reject(event.data.error);1102        return event.data;1103      });1104}1105function invokeFromIframe(subresource, sourceContextList) {1106  const currentSourceContext = sourceContextList[0];1107  const frameUrl =1108    "/common/security-features/scope/document.py?policyDeliveries=" +1109    encodeURIComponent(JSON.stringify(1110        currentSourceContext.policyDeliveries || []));1111  let iframe;1112  let promise;1113  if (currentSourceContext.sourceContextType === 'srcdoc') {1114    promise = fetch(frameUrl)1115      .then(r => r.text())1116      .then(srcdoc => {1117          iframe = createElement(1118              "iframe", {srcdoc: srcdoc}, document.body, true);1119          return iframe.eventPromise;1120        });1121  } else if (currentSourceContext.sourceContextType === 'iframe') {1122    iframe = createElement("iframe", {src: frameUrl}, document.body, true);1123    promise = iframe.eventPromise;1124  } else if (currentSourceContext.sourceContextType === 'iframe-blank') {1125    let frameContent;1126    promise = fetch(frameUrl)1127      .then(r => r.text())1128      .then(t => {1129          frameContent = t;1130          iframe = createElement("iframe", {}, document.body, true);1131          return iframe.eventPromise;1132        })1133      .then(() => {1134          // Reinitialize `iframe.eventPromise` with a new promise1135          // that catches the load event for the document.write() below.1136          bindEvents(iframe);1137          iframe.contentDocument.write(frameContent);1138          iframe.contentDocument.close();1139          return iframe.eventPromise;1140        });1141  }1142  return promise1143    .then(() => {1144        const promise = bindEvents2(1145            window, "message", iframe, "error", window, "error");1146        iframe.contentWindow.postMessage(1147            {subresource: subresource,1148             sourceContextList: sourceContextList.slice(1)},1149            "*");1150        return promise;1151      })1152    .then(event => {1153        if (event.data.error)1154          return Promise.reject(event.data.error);1155        return event.data;1156      });1157}1158// SanityChecker does nothing in release mode. See sanity-checker.js for debug1159// mode.1160function SanityChecker() {}1161SanityChecker.prototype.checkScenario = function() {};1162SanityChecker.prototype.setFailTimeout = function(test, timeout) {};...

Using AI Code Generation

1var wptools = require('wptools');2var wssRawPort = wptools.wssRawPort;3var wss = wptools.wss;4var wssPort = wptools.wssPort;5wssRawPort('wikipedia.org', function(port) {6  console.log('Raw port: ' + port);7});8wss('wikipedia.org', function(url) {9  console.log('Raw url: ' + url);10});11wssPort('wikipedia.org', function(port) {12  console.log('Raw port: ' + port);13});14var wptools = require('wptools');15var wssRawPort = wptools.wssRawPort;16var wss = wptools.wss;17var wssPort = wptools.wssPort;18wssRawPort('wikipedia.org', function(port) {19  console.log('Raw port: ' + port);20});21wss('wikipedia.org', function(url) {22  console.log('Raw url: ' + url);23});24wssPort('wikipedia.org', function(port) {25  console.log('Raw port: ' + port);26});27var wptools = require('wptools');28var wssRawPort = wptools.wssRawPort;29var wss = wptools.wss;30var wssPort = wptools.wssPort;31wssRawPort('wikipedia.org', function(port) {32  console.log('Raw port: ' + port);33});34wss('wikipedia.org', function(url) {35  console.log('Raw url: ' + url);36});37wssPort('wikipedia.org

Using AI Code Generation

1var wptools = require('wptools');2var wssRawPort = new wptools.wssRawPort(8080);3wssRawPort.listen();4var wptools = require('wptools');5var wssRawPort = new wptools.wssRawPort(8081);6wssRawPort.listen();7var wptools = require('wptools');8var wssRawPort = new wptools.wssRawPort(8082);9wssRawPort.listen();10var wptools = require('wptools');11var wssRawPort = new wptools.wssRawPort(8083);12wssRawPort.listen();13var wptools = require('wptools');14var wssRawPort = new wptools.wssRawPort(8084);15wssRawPort.listen();16var wptools = require('wptools');17var wssRawPort = new wptools.wssRawPort(8085);18wssRawPort.listen();19var wptools = require('wptools');20var wssRawPort = new wptools.wssRawPort(8086);21wssRawPort.listen();22var wptools = require('

Using AI Code Generation

1var wptoolkit = require('wptoolkit');2var port = wptoolkit.wssRawPort();3console.log(port);4var wptoolkit = require('wptoolkit');5var wpapi = wptoolkit.wpapi();6console.log(wpapi);7var wptoolkit = require('wptoolkit');8var wpapi = wptoolkit.wpapi();9console.log(wpapi);10var wptoolkit = require('wptoolkit');11var wpapi = wptoolkit.wpapi();12console.log(wpapi);13var wptoolkit = require('wptoolkit');14var wpapi = wptoolkit.wpapi();15console.log(wpapi);16var wptoolkit = require('wptoolkit');17var wpapi = wptoolkit.wpapi();18console.log(wpapi);19var wptoolkit = require('wptoolkit');20var wpapi = wptoolkit.wpapi();21console.log(wpapi);22var wptoolkit = require('wptoolkit');23var wpapi = wptoolkit.wpapi();24console.log(wpapi);25var wptoolkit = require('wptoolkit');26var wpapi = wptoolkit.wpapi();27console.log(wpapi);28var wptoolkit = require('wptoolkit');29var wpapi = wptoolkit.wpapi();30console.log(wpapi);31var wptoolkit = require('wptoolkit');

Using AI Code Generation

1var wptb = require('wptb');2var wss = wptb.wssRawPort(8080, true);3var wptb = require('wptb');4var wss = wptb.wssPort(8080, true);5var wptb = require('wptb');6var wss = wptb.wssPort(8080, true);7var wptb = require('wptb');8var wss = wptb.wssPort(8080, true);9var wptb = require('wptb');10var wss = wptb.wssPort(8080, true);11var wptb = require('wptb');12var wss = wptb.wssPort(8080, true);13var wptb = require('wptb');14var wss = wptb.wssPort(8080, true);15var wptb = require('wptb');16var wss = wptb.wssPort(8080, true);17var wptb = require('wptb');18var wss = wptb.wssPort(8080, true);19var wptb = require('wptb

Using AI Code Generation

1var wpt = require('wpt.js');2var port = wpt.wssRawPort(8080);3port.postMessage("hello");4port.onmessage = function(e) {5    console.log(e.data);6}7port.close();8var wpt = require('wpt.js');9var port = wpt.wssRawPort(8080);10port.postMessage("hello");11port.onmessage = function(e) {12    console.log(e.data);13}14port.close();15var wpt = require('wpt.js');16var port = wpt.wssRawPort(8080);17port.postMessage("hello");18port.onmessage = function(e) {19    console.log(e.data);20}21port.close();22var wpt = require('wpt.js');23var port = wpt.wssRawPort(8080);

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.