123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944 |
- /* globals AbortController */
- 'use strict'
- const { extractBody, mixinBody, cloneBody } = require('./body')
- const { Headers, fill: fillHeaders, HeadersList } = require('./headers')
- const { FinalizationRegistry } = require('../compat/dispatcher-weakref')()
- const util = require('../core/util')
- const {
- isValidHTTPToken,
- sameOrigin,
- normalizeMethod,
- makePolicyContainer
- } = require('./util')
- const {
- forbiddenMethods,
- corsSafeListedMethods,
- referrerPolicy,
- requestRedirect,
- requestMode,
- requestCredentials,
- requestCache,
- requestDuplex
- } = require('./constants')
- const { kEnumerableProperty } = util
- const { kHeaders, kSignal, kState, kGuard, kRealm } = require('./symbols')
- const { webidl } = require('./webidl')
- const { getGlobalOrigin } = require('./global')
- const { URLSerializer } = require('./dataURL')
- const { kHeadersList } = require('../core/symbols')
- const assert = require('assert')
- const { getMaxListeners, setMaxListeners, getEventListeners, defaultMaxListeners } = require('events')
- let TransformStream = globalThis.TransformStream
- const kInit = Symbol('init')
- const kAbortController = Symbol('abortController')
- const requestFinalizer = new FinalizationRegistry(({ signal, abort }) => {
- signal.removeEventListener('abort', abort)
- })
- // https://fetch.spec.whatwg.org/#request-class
- class Request {
- // https://fetch.spec.whatwg.org/#dom-request
- constructor (input, init = {}) {
- if (input === kInit) {
- return
- }
- webidl.argumentLengthCheck(arguments, 1, { header: 'Request constructor' })
- input = webidl.converters.RequestInfo(input)
- init = webidl.converters.RequestInit(init)
- // https://html.spec.whatwg.org/multipage/webappapis.html#environment-settings-object
- this[kRealm] = {
- settingsObject: {
- baseUrl: getGlobalOrigin(),
- get origin () {
- return this.baseUrl?.origin
- },
- policyContainer: makePolicyContainer()
- }
- }
- // 1. Let request be null.
- let request = null
- // 2. Let fallbackMode be null.
- let fallbackMode = null
- // 3. Let baseURL be this’s relevant settings object’s API base URL.
- const baseUrl = this[kRealm].settingsObject.baseUrl
- // 4. Let signal be null.
- let signal = null
- // 5. If input is a string, then:
- if (typeof input === 'string') {
- // 1. Let parsedURL be the result of parsing input with baseURL.
- // 2. If parsedURL is failure, then throw a TypeError.
- let parsedURL
- try {
- parsedURL = new URL(input, baseUrl)
- } catch (err) {
- throw new TypeError('Failed to parse URL from ' + input, { cause: err })
- }
- // 3. If parsedURL includes credentials, then throw a TypeError.
- if (parsedURL.username || parsedURL.password) {
- throw new TypeError(
- 'Request cannot be constructed from a URL that includes credentials: ' +
- input
- )
- }
- // 4. Set request to a new request whose URL is parsedURL.
- request = makeRequest({ urlList: [parsedURL] })
- // 5. Set fallbackMode to "cors".
- fallbackMode = 'cors'
- } else {
- // 6. Otherwise:
- // 7. Assert: input is a Request object.
- assert(input instanceof Request)
- // 8. Set request to input’s request.
- request = input[kState]
- // 9. Set signal to input’s signal.
- signal = input[kSignal]
- }
- // 7. Let origin be this’s relevant settings object’s origin.
- const origin = this[kRealm].settingsObject.origin
- // 8. Let window be "client".
- let window = 'client'
- // 9. If request’s window is an environment settings object and its origin
- // is same origin with origin, then set window to request’s window.
- if (
- request.window?.constructor?.name === 'EnvironmentSettingsObject' &&
- sameOrigin(request.window, origin)
- ) {
- window = request.window
- }
- // 10. If init["window"] exists and is non-null, then throw a TypeError.
- if (init.window != null) {
- throw new TypeError(`'window' option '${window}' must be null`)
- }
- // 11. If init["window"] exists, then set window to "no-window".
- if ('window' in init) {
- window = 'no-window'
- }
- // 12. Set request to a new request with the following properties:
- request = makeRequest({
- // URL request’s URL.
- // undici implementation note: this is set as the first item in request's urlList in makeRequest
- // method request’s method.
- method: request.method,
- // header list A copy of request’s header list.
- // undici implementation note: headersList is cloned in makeRequest
- headersList: request.headersList,
- // unsafe-request flag Set.
- unsafeRequest: request.unsafeRequest,
- // client This’s relevant settings object.
- client: this[kRealm].settingsObject,
- // window window.
- window,
- // priority request’s priority.
- priority: request.priority,
- // origin request’s origin. The propagation of the origin is only significant for navigation requests
- // being handled by a service worker. In this scenario a request can have an origin that is different
- // from the current client.
- origin: request.origin,
- // referrer request’s referrer.
- referrer: request.referrer,
- // referrer policy request’s referrer policy.
- referrerPolicy: request.referrerPolicy,
- // mode request’s mode.
- mode: request.mode,
- // credentials mode request’s credentials mode.
- credentials: request.credentials,
- // cache mode request’s cache mode.
- cache: request.cache,
- // redirect mode request’s redirect mode.
- redirect: request.redirect,
- // integrity metadata request’s integrity metadata.
- integrity: request.integrity,
- // keepalive request’s keepalive.
- keepalive: request.keepalive,
- // reload-navigation flag request’s reload-navigation flag.
- reloadNavigation: request.reloadNavigation,
- // history-navigation flag request’s history-navigation flag.
- historyNavigation: request.historyNavigation,
- // URL list A clone of request’s URL list.
- urlList: [...request.urlList]
- })
- // 13. If init is not empty, then:
- if (Object.keys(init).length > 0) {
- // 1. If request’s mode is "navigate", then set it to "same-origin".
- if (request.mode === 'navigate') {
- request.mode = 'same-origin'
- }
- // 2. Unset request’s reload-navigation flag.
- request.reloadNavigation = false
- // 3. Unset request’s history-navigation flag.
- request.historyNavigation = false
- // 4. Set request’s origin to "client".
- request.origin = 'client'
- // 5. Set request’s referrer to "client"
- request.referrer = 'client'
- // 6. Set request’s referrer policy to the empty string.
- request.referrerPolicy = ''
- // 7. Set request’s URL to request’s current URL.
- request.url = request.urlList[request.urlList.length - 1]
- // 8. Set request’s URL list to « request’s URL ».
- request.urlList = [request.url]
- }
- // 14. If init["referrer"] exists, then:
- if (init.referrer !== undefined) {
- // 1. Let referrer be init["referrer"].
- const referrer = init.referrer
- // 2. If referrer is the empty string, then set request’s referrer to "no-referrer".
- if (referrer === '') {
- request.referrer = 'no-referrer'
- } else {
- // 1. Let parsedReferrer be the result of parsing referrer with
- // baseURL.
- // 2. If parsedReferrer is failure, then throw a TypeError.
- let parsedReferrer
- try {
- parsedReferrer = new URL(referrer, baseUrl)
- } catch (err) {
- throw new TypeError(`Referrer "${referrer}" is not a valid URL.`, { cause: err })
- }
- // 3. If one of the following is true
- // - parsedReferrer’s scheme is "about" and path is the string "client"
- // - parsedReferrer’s origin is not same origin with origin
- // then set request’s referrer to "client".
- if (
- (parsedReferrer.protocol === 'about:' && parsedReferrer.hostname === 'client') ||
- (origin && !sameOrigin(parsedReferrer, this[kRealm].settingsObject.baseUrl))
- ) {
- request.referrer = 'client'
- } else {
- // 4. Otherwise, set request’s referrer to parsedReferrer.
- request.referrer = parsedReferrer
- }
- }
- }
- // 15. If init["referrerPolicy"] exists, then set request’s referrer policy
- // to it.
- if (init.referrerPolicy !== undefined) {
- request.referrerPolicy = init.referrerPolicy
- }
- // 16. Let mode be init["mode"] if it exists, and fallbackMode otherwise.
- let mode
- if (init.mode !== undefined) {
- mode = init.mode
- } else {
- mode = fallbackMode
- }
- // 17. If mode is "navigate", then throw a TypeError.
- if (mode === 'navigate') {
- throw webidl.errors.exception({
- header: 'Request constructor',
- message: 'invalid request mode navigate.'
- })
- }
- // 18. If mode is non-null, set request’s mode to mode.
- if (mode != null) {
- request.mode = mode
- }
- // 19. If init["credentials"] exists, then set request’s credentials mode
- // to it.
- if (init.credentials !== undefined) {
- request.credentials = init.credentials
- }
- // 18. If init["cache"] exists, then set request’s cache mode to it.
- if (init.cache !== undefined) {
- request.cache = init.cache
- }
- // 21. If request’s cache mode is "only-if-cached" and request’s mode is
- // not "same-origin", then throw a TypeError.
- if (request.cache === 'only-if-cached' && request.mode !== 'same-origin') {
- throw new TypeError(
- "'only-if-cached' can be set only with 'same-origin' mode"
- )
- }
- // 22. If init["redirect"] exists, then set request’s redirect mode to it.
- if (init.redirect !== undefined) {
- request.redirect = init.redirect
- }
- // 23. If init["integrity"] exists, then set request’s integrity metadata to it.
- if (init.integrity !== undefined && init.integrity != null) {
- request.integrity = String(init.integrity)
- }
- // 24. If init["keepalive"] exists, then set request’s keepalive to it.
- if (init.keepalive !== undefined) {
- request.keepalive = Boolean(init.keepalive)
- }
- // 25. If init["method"] exists, then:
- if (init.method !== undefined) {
- // 1. Let method be init["method"].
- let method = init.method
- // 2. If method is not a method or method is a forbidden method, then
- // throw a TypeError.
- if (!isValidHTTPToken(init.method)) {
- throw TypeError(`'${init.method}' is not a valid HTTP method.`)
- }
- if (forbiddenMethods.indexOf(method.toUpperCase()) !== -1) {
- throw TypeError(`'${init.method}' HTTP method is unsupported.`)
- }
- // 3. Normalize method.
- method = normalizeMethod(init.method)
- // 4. Set request’s method to method.
- request.method = method
- }
- // 26. If init["signal"] exists, then set signal to it.
- if (init.signal !== undefined) {
- signal = init.signal
- }
- // 27. Set this’s request to request.
- this[kState] = request
- // 28. Set this’s signal to a new AbortSignal object with this’s relevant
- // Realm.
- // TODO: could this be simplified with AbortSignal.any
- // (https://dom.spec.whatwg.org/#dom-abortsignal-any)
- const ac = new AbortController()
- this[kSignal] = ac.signal
- this[kSignal][kRealm] = this[kRealm]
- // 29. If signal is not null, then make this’s signal follow signal.
- if (signal != null) {
- if (
- !signal ||
- typeof signal.aborted !== 'boolean' ||
- typeof signal.addEventListener !== 'function'
- ) {
- throw new TypeError(
- "Failed to construct 'Request': member signal is not of type AbortSignal."
- )
- }
- if (signal.aborted) {
- ac.abort(signal.reason)
- } else {
- // Keep a strong ref to ac while request object
- // is alive. This is needed to prevent AbortController
- // from being prematurely garbage collected.
- // See, https://github.com/nodejs/undici/issues/1926.
- this[kAbortController] = ac
- const acRef = new WeakRef(ac)
- const abort = function () {
- const ac = acRef.deref()
- if (ac !== undefined) {
- ac.abort(this.reason)
- }
- }
- // Third-party AbortControllers may not work with these.
- // See, https://github.com/nodejs/undici/pull/1910#issuecomment-1464495619.
- try {
- // If the max amount of listeners is equal to the default, increase it
- // This is only available in node >= v19.9.0
- if (typeof getMaxListeners === 'function' && getMaxListeners(signal) === defaultMaxListeners) {
- setMaxListeners(100, signal)
- } else if (getEventListeners(signal, 'abort').length >= defaultMaxListeners) {
- setMaxListeners(100, signal)
- }
- } catch {}
- util.addAbortListener(signal, abort)
- requestFinalizer.register(ac, { signal, abort })
- }
- }
- // 30. Set this’s headers to a new Headers object with this’s relevant
- // Realm, whose header list is request’s header list and guard is
- // "request".
- this[kHeaders] = new Headers()
- this[kHeaders][kHeadersList] = request.headersList
- this[kHeaders][kGuard] = 'request'
- this[kHeaders][kRealm] = this[kRealm]
- // 31. If this’s request’s mode is "no-cors", then:
- if (mode === 'no-cors') {
- // 1. If this’s request’s method is not a CORS-safelisted method,
- // then throw a TypeError.
- if (!corsSafeListedMethods.includes(request.method)) {
- throw new TypeError(
- `'${request.method} is unsupported in no-cors mode.`
- )
- }
- // 2. Set this’s headers’s guard to "request-no-cors".
- this[kHeaders][kGuard] = 'request-no-cors'
- }
- // 32. If init is not empty, then:
- if (Object.keys(init).length !== 0) {
- // 1. Let headers be a copy of this’s headers and its associated header
- // list.
- let headers = new Headers(this[kHeaders])
- // 2. If init["headers"] exists, then set headers to init["headers"].
- if (init.headers !== undefined) {
- headers = init.headers
- }
- // 3. Empty this’s headers’s header list.
- this[kHeaders][kHeadersList].clear()
- // 4. If headers is a Headers object, then for each header in its header
- // list, append header’s name/header’s value to this’s headers.
- if (headers.constructor.name === 'Headers') {
- for (const [key, val] of headers) {
- this[kHeaders].append(key, val)
- }
- } else {
- // 5. Otherwise, fill this’s headers with headers.
- fillHeaders(this[kHeaders], headers)
- }
- }
- // 33. Let inputBody be input’s request’s body if input is a Request
- // object; otherwise null.
- const inputBody = input instanceof Request ? input[kState].body : null
- // 34. If either init["body"] exists and is non-null or inputBody is
- // non-null, and request’s method is `GET` or `HEAD`, then throw a
- // TypeError.
- if (
- (init.body != null || inputBody != null) &&
- (request.method === 'GET' || request.method === 'HEAD')
- ) {
- throw new TypeError('Request with GET/HEAD method cannot have body.')
- }
- // 35. Let initBody be null.
- let initBody = null
- // 36. If init["body"] exists and is non-null, then:
- if (init.body != null) {
- // 1. Let Content-Type be null.
- // 2. Set initBody and Content-Type to the result of extracting
- // init["body"], with keepalive set to request’s keepalive.
- const [extractedBody, contentType] = extractBody(
- init.body,
- request.keepalive
- )
- initBody = extractedBody
- // 3, If Content-Type is non-null and this’s headers’s header list does
- // not contain `Content-Type`, then append `Content-Type`/Content-Type to
- // this’s headers.
- if (contentType && !this[kHeaders][kHeadersList].contains('content-type')) {
- this[kHeaders].append('content-type', contentType)
- }
- }
- // 37. Let inputOrInitBody be initBody if it is non-null; otherwise
- // inputBody.
- const inputOrInitBody = initBody ?? inputBody
- // 38. If inputOrInitBody is non-null and inputOrInitBody’s source is
- // null, then:
- if (inputOrInitBody != null && inputOrInitBody.source == null) {
- // 1. If initBody is non-null and init["duplex"] does not exist,
- // then throw a TypeError.
- if (initBody != null && init.duplex == null) {
- throw new TypeError('RequestInit: duplex option is required when sending a body.')
- }
- // 2. If this’s request’s mode is neither "same-origin" nor "cors",
- // then throw a TypeError.
- if (request.mode !== 'same-origin' && request.mode !== 'cors') {
- throw new TypeError(
- 'If request is made from ReadableStream, mode should be "same-origin" or "cors"'
- )
- }
- // 3. Set this’s request’s use-CORS-preflight flag.
- request.useCORSPreflightFlag = true
- }
- // 39. Let finalBody be inputOrInitBody.
- let finalBody = inputOrInitBody
- // 40. If initBody is null and inputBody is non-null, then:
- if (initBody == null && inputBody != null) {
- // 1. If input is unusable, then throw a TypeError.
- if (util.isDisturbed(inputBody.stream) || inputBody.stream.locked) {
- throw new TypeError(
- 'Cannot construct a Request with a Request object that has already been used.'
- )
- }
- // 2. Set finalBody to the result of creating a proxy for inputBody.
- if (!TransformStream) {
- TransformStream = require('stream/web').TransformStream
- }
- // https://streams.spec.whatwg.org/#readablestream-create-a-proxy
- const identityTransform = new TransformStream()
- inputBody.stream.pipeThrough(identityTransform)
- finalBody = {
- source: inputBody.source,
- length: inputBody.length,
- stream: identityTransform.readable
- }
- }
- // 41. Set this’s request’s body to finalBody.
- this[kState].body = finalBody
- }
- // Returns request’s HTTP method, which is "GET" by default.
- get method () {
- webidl.brandCheck(this, Request)
- // The method getter steps are to return this’s request’s method.
- return this[kState].method
- }
- // Returns the URL of request as a string.
- get url () {
- webidl.brandCheck(this, Request)
- // The url getter steps are to return this’s request’s URL, serialized.
- return URLSerializer(this[kState].url)
- }
- // Returns a Headers object consisting of the headers associated with request.
- // Note that headers added in the network layer by the user agent will not
- // be accounted for in this object, e.g., the "Host" header.
- get headers () {
- webidl.brandCheck(this, Request)
- // The headers getter steps are to return this’s headers.
- return this[kHeaders]
- }
- // Returns the kind of resource requested by request, e.g., "document"
- // or "script".
- get destination () {
- webidl.brandCheck(this, Request)
- // The destination getter are to return this’s request’s destination.
- return this[kState].destination
- }
- // Returns the referrer of request. Its value can be a same-origin URL if
- // explicitly set in init, the empty string to indicate no referrer, and
- // "about:client" when defaulting to the global’s default. This is used
- // during fetching to determine the value of the `Referer` header of the
- // request being made.
- get referrer () {
- webidl.brandCheck(this, Request)
- // 1. If this’s request’s referrer is "no-referrer", then return the
- // empty string.
- if (this[kState].referrer === 'no-referrer') {
- return ''
- }
- // 2. If this’s request’s referrer is "client", then return
- // "about:client".
- if (this[kState].referrer === 'client') {
- return 'about:client'
- }
- // Return this’s request’s referrer, serialized.
- return this[kState].referrer.toString()
- }
- // Returns the referrer policy associated with request.
- // This is used during fetching to compute the value of the request’s
- // referrer.
- get referrerPolicy () {
- webidl.brandCheck(this, Request)
- // The referrerPolicy getter steps are to return this’s request’s referrer policy.
- return this[kState].referrerPolicy
- }
- // Returns the mode associated with request, which is a string indicating
- // whether the request will use CORS, or will be restricted to same-origin
- // URLs.
- get mode () {
- webidl.brandCheck(this, Request)
- // The mode getter steps are to return this’s request’s mode.
- return this[kState].mode
- }
- // Returns the credentials mode associated with request,
- // which is a string indicating whether credentials will be sent with the
- // request always, never, or only when sent to a same-origin URL.
- get credentials () {
- // The credentials getter steps are to return this’s request’s credentials mode.
- return this[kState].credentials
- }
- // Returns the cache mode associated with request,
- // which is a string indicating how the request will
- // interact with the browser’s cache when fetching.
- get cache () {
- webidl.brandCheck(this, Request)
- // The cache getter steps are to return this’s request’s cache mode.
- return this[kState].cache
- }
- // Returns the redirect mode associated with request,
- // which is a string indicating how redirects for the
- // request will be handled during fetching. A request
- // will follow redirects by default.
- get redirect () {
- webidl.brandCheck(this, Request)
- // The redirect getter steps are to return this’s request’s redirect mode.
- return this[kState].redirect
- }
- // Returns request’s subresource integrity metadata, which is a
- // cryptographic hash of the resource being fetched. Its value
- // consists of multiple hashes separated by whitespace. [SRI]
- get integrity () {
- webidl.brandCheck(this, Request)
- // The integrity getter steps are to return this’s request’s integrity
- // metadata.
- return this[kState].integrity
- }
- // Returns a boolean indicating whether or not request can outlive the
- // global in which it was created.
- get keepalive () {
- webidl.brandCheck(this, Request)
- // The keepalive getter steps are to return this’s request’s keepalive.
- return this[kState].keepalive
- }
- // Returns a boolean indicating whether or not request is for a reload
- // navigation.
- get isReloadNavigation () {
- webidl.brandCheck(this, Request)
- // The isReloadNavigation getter steps are to return true if this’s
- // request’s reload-navigation flag is set; otherwise false.
- return this[kState].reloadNavigation
- }
- // Returns a boolean indicating whether or not request is for a history
- // navigation (a.k.a. back-foward navigation).
- get isHistoryNavigation () {
- webidl.brandCheck(this, Request)
- // The isHistoryNavigation getter steps are to return true if this’s request’s
- // history-navigation flag is set; otherwise false.
- return this[kState].historyNavigation
- }
- // Returns the signal associated with request, which is an AbortSignal
- // object indicating whether or not request has been aborted, and its
- // abort event handler.
- get signal () {
- webidl.brandCheck(this, Request)
- // The signal getter steps are to return this’s signal.
- return this[kSignal]
- }
- get body () {
- webidl.brandCheck(this, Request)
- return this[kState].body ? this[kState].body.stream : null
- }
- get bodyUsed () {
- webidl.brandCheck(this, Request)
- return !!this[kState].body && util.isDisturbed(this[kState].body.stream)
- }
- get duplex () {
- webidl.brandCheck(this, Request)
- return 'half'
- }
- // Returns a clone of request.
- clone () {
- webidl.brandCheck(this, Request)
- // 1. If this is unusable, then throw a TypeError.
- if (this.bodyUsed || this.body?.locked) {
- throw new TypeError('unusable')
- }
- // 2. Let clonedRequest be the result of cloning this’s request.
- const clonedRequest = cloneRequest(this[kState])
- // 3. Let clonedRequestObject be the result of creating a Request object,
- // given clonedRequest, this’s headers’s guard, and this’s relevant Realm.
- const clonedRequestObject = new Request(kInit)
- clonedRequestObject[kState] = clonedRequest
- clonedRequestObject[kRealm] = this[kRealm]
- clonedRequestObject[kHeaders] = new Headers()
- clonedRequestObject[kHeaders][kHeadersList] = clonedRequest.headersList
- clonedRequestObject[kHeaders][kGuard] = this[kHeaders][kGuard]
- clonedRequestObject[kHeaders][kRealm] = this[kHeaders][kRealm]
- // 4. Make clonedRequestObject’s signal follow this’s signal.
- const ac = new AbortController()
- if (this.signal.aborted) {
- ac.abort(this.signal.reason)
- } else {
- util.addAbortListener(
- this.signal,
- () => {
- ac.abort(this.signal.reason)
- }
- )
- }
- clonedRequestObject[kSignal] = ac.signal
- // 4. Return clonedRequestObject.
- return clonedRequestObject
- }
- }
- mixinBody(Request)
- function makeRequest (init) {
- // https://fetch.spec.whatwg.org/#requests
- const request = {
- method: 'GET',
- localURLsOnly: false,
- unsafeRequest: false,
- body: null,
- client: null,
- reservedClient: null,
- replacesClientId: '',
- window: 'client',
- keepalive: false,
- serviceWorkers: 'all',
- initiator: '',
- destination: '',
- priority: null,
- origin: 'client',
- policyContainer: 'client',
- referrer: 'client',
- referrerPolicy: '',
- mode: 'no-cors',
- useCORSPreflightFlag: false,
- credentials: 'same-origin',
- useCredentials: false,
- cache: 'default',
- redirect: 'follow',
- integrity: '',
- cryptoGraphicsNonceMetadata: '',
- parserMetadata: '',
- reloadNavigation: false,
- historyNavigation: false,
- userActivation: false,
- taintedOrigin: false,
- redirectCount: 0,
- responseTainting: 'basic',
- preventNoCacheCacheControlHeaderModification: false,
- done: false,
- timingAllowFailed: false,
- ...init,
- headersList: init.headersList
- ? new HeadersList(init.headersList)
- : new HeadersList()
- }
- request.url = request.urlList[0]
- return request
- }
- // https://fetch.spec.whatwg.org/#concept-request-clone
- function cloneRequest (request) {
- // To clone a request request, run these steps:
- // 1. Let newRequest be a copy of request, except for its body.
- const newRequest = makeRequest({ ...request, body: null })
- // 2. If request’s body is non-null, set newRequest’s body to the
- // result of cloning request’s body.
- if (request.body != null) {
- newRequest.body = cloneBody(request.body)
- }
- // 3. Return newRequest.
- return newRequest
- }
- Object.defineProperties(Request.prototype, {
- method: kEnumerableProperty,
- url: kEnumerableProperty,
- headers: kEnumerableProperty,
- redirect: kEnumerableProperty,
- clone: kEnumerableProperty,
- signal: kEnumerableProperty,
- duplex: kEnumerableProperty,
- destination: kEnumerableProperty,
- body: kEnumerableProperty,
- bodyUsed: kEnumerableProperty,
- isHistoryNavigation: kEnumerableProperty,
- isReloadNavigation: kEnumerableProperty,
- keepalive: kEnumerableProperty,
- integrity: kEnumerableProperty,
- cache: kEnumerableProperty,
- credentials: kEnumerableProperty,
- attribute: kEnumerableProperty,
- referrerPolicy: kEnumerableProperty,
- referrer: kEnumerableProperty,
- mode: kEnumerableProperty,
- [Symbol.toStringTag]: {
- value: 'Request',
- configurable: true
- }
- })
- webidl.converters.Request = webidl.interfaceConverter(
- Request
- )
- // https://fetch.spec.whatwg.org/#requestinfo
- webidl.converters.RequestInfo = function (V) {
- if (typeof V === 'string') {
- return webidl.converters.USVString(V)
- }
- if (V instanceof Request) {
- return webidl.converters.Request(V)
- }
- return webidl.converters.USVString(V)
- }
- webidl.converters.AbortSignal = webidl.interfaceConverter(
- AbortSignal
- )
- // https://fetch.spec.whatwg.org/#requestinit
- webidl.converters.RequestInit = webidl.dictionaryConverter([
- {
- key: 'method',
- converter: webidl.converters.ByteString
- },
- {
- key: 'headers',
- converter: webidl.converters.HeadersInit
- },
- {
- key: 'body',
- converter: webidl.nullableConverter(
- webidl.converters.BodyInit
- )
- },
- {
- key: 'referrer',
- converter: webidl.converters.USVString
- },
- {
- key: 'referrerPolicy',
- converter: webidl.converters.DOMString,
- // https://w3c.github.io/webappsec-referrer-policy/#referrer-policy
- allowedValues: referrerPolicy
- },
- {
- key: 'mode',
- converter: webidl.converters.DOMString,
- // https://fetch.spec.whatwg.org/#concept-request-mode
- allowedValues: requestMode
- },
- {
- key: 'credentials',
- converter: webidl.converters.DOMString,
- // https://fetch.spec.whatwg.org/#requestcredentials
- allowedValues: requestCredentials
- },
- {
- key: 'cache',
- converter: webidl.converters.DOMString,
- // https://fetch.spec.whatwg.org/#requestcache
- allowedValues: requestCache
- },
- {
- key: 'redirect',
- converter: webidl.converters.DOMString,
- // https://fetch.spec.whatwg.org/#requestredirect
- allowedValues: requestRedirect
- },
- {
- key: 'integrity',
- converter: webidl.converters.DOMString
- },
- {
- key: 'keepalive',
- converter: webidl.converters.boolean
- },
- {
- key: 'signal',
- converter: webidl.nullableConverter(
- (signal) => webidl.converters.AbortSignal(
- signal,
- { strict: false }
- )
- )
- },
- {
- key: 'window',
- converter: webidl.converters.any
- },
- {
- key: 'duplex',
- converter: webidl.converters.DOMString,
- allowedValues: requestDuplex
- }
- ])
- module.exports = { Request, makeRequest }
|