944 lines
30 KiB
JavaScript
944 lines
30 KiB
JavaScript
/* 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 {
|
||
forbiddenMethodsSet,
|
||
corsSafeListedMethodsSet,
|
||
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(`'${init.method}' is not a valid HTTP method.`)
|
||
}
|
||
|
||
if (forbiddenMethodsSet.has(method.toUpperCase())) {
|
||
throw TypeError(`'${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 (!corsSafeListedMethodsSet.has(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 }
|