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Diffstat (limited to 'g4f/Provider/npm/node_modules/undici/lib/fetch/response.js')
-rw-r--r-- | g4f/Provider/npm/node_modules/undici/lib/fetch/response.js | 575 |
1 files changed, 575 insertions, 0 deletions
diff --git a/g4f/Provider/npm/node_modules/undici/lib/fetch/response.js b/g4f/Provider/npm/node_modules/undici/lib/fetch/response.js new file mode 100644 index 00000000..23cf55c5 --- /dev/null +++ b/g4f/Provider/npm/node_modules/undici/lib/fetch/response.js @@ -0,0 +1,575 @@ +'use strict' + +const { Headers, HeadersList, fill } = require('./headers') +const { extractBody, cloneBody, mixinBody } = require('./body') +const util = require('../core/util') +const { kEnumerableProperty } = util +const { + isValidReasonPhrase, + isCancelled, + isAborted, + isBlobLike, + serializeJavascriptValueToJSONString, + isErrorLike, + isomorphicEncode +} = require('./util') +const { + redirectStatusSet, + nullBodyStatus, + DOMException +} = require('./constants') +const { kState, kHeaders, kGuard, kRealm } = require('./symbols') +const { webidl } = require('./webidl') +const { FormData } = require('./formdata') +const { getGlobalOrigin } = require('./global') +const { URLSerializer } = require('./dataURL') +const { kHeadersList } = require('../core/symbols') +const assert = require('assert') +const { types } = require('util') + +const ReadableStream = globalThis.ReadableStream || require('stream/web').ReadableStream +const textEncoder = new TextEncoder('utf-8') + +// https://fetch.spec.whatwg.org/#response-class +class Response { + // Creates network error Response. + static error () { + // TODO + const relevantRealm = { settingsObject: {} } + + // The static error() method steps are to return the result of creating a + // Response object, given a new network error, "immutable", and this’s + // relevant Realm. + const responseObject = new Response() + responseObject[kState] = makeNetworkError() + responseObject[kRealm] = relevantRealm + responseObject[kHeaders][kHeadersList] = responseObject[kState].headersList + responseObject[kHeaders][kGuard] = 'immutable' + responseObject[kHeaders][kRealm] = relevantRealm + return responseObject + } + + // https://fetch.spec.whatwg.org/#dom-response-json + static json (data, init = {}) { + webidl.argumentLengthCheck(arguments, 1, { header: 'Response.json' }) + + if (init !== null) { + init = webidl.converters.ResponseInit(init) + } + + // 1. Let bytes the result of running serialize a JavaScript value to JSON bytes on data. + const bytes = textEncoder.encode( + serializeJavascriptValueToJSONString(data) + ) + + // 2. Let body be the result of extracting bytes. + const body = extractBody(bytes) + + // 3. Let responseObject be the result of creating a Response object, given a new response, + // "response", and this’s relevant Realm. + const relevantRealm = { settingsObject: {} } + const responseObject = new Response() + responseObject[kRealm] = relevantRealm + responseObject[kHeaders][kGuard] = 'response' + responseObject[kHeaders][kRealm] = relevantRealm + + // 4. Perform initialize a response given responseObject, init, and (body, "application/json"). + initializeResponse(responseObject, init, { body: body[0], type: 'application/json' }) + + // 5. Return responseObject. + return responseObject + } + + // Creates a redirect Response that redirects to url with status status. + static redirect (url, status = 302) { + const relevantRealm = { settingsObject: {} } + + webidl.argumentLengthCheck(arguments, 1, { header: 'Response.redirect' }) + + url = webidl.converters.USVString(url) + status = webidl.converters['unsigned short'](status) + + // 1. Let parsedURL be the result of parsing url with current settings + // object’s API base URL. + // 2. If parsedURL is failure, then throw a TypeError. + // TODO: base-URL? + let parsedURL + try { + parsedURL = new URL(url, getGlobalOrigin()) + } catch (err) { + throw Object.assign(new TypeError('Failed to parse URL from ' + url), { + cause: err + }) + } + + // 3. If status is not a redirect status, then throw a RangeError. + if (!redirectStatusSet.has(status)) { + throw new RangeError('Invalid status code ' + status) + } + + // 4. Let responseObject be the result of creating a Response object, + // given a new response, "immutable", and this’s relevant Realm. + const responseObject = new Response() + responseObject[kRealm] = relevantRealm + responseObject[kHeaders][kGuard] = 'immutable' + responseObject[kHeaders][kRealm] = relevantRealm + + // 5. Set responseObject’s response’s status to status. + responseObject[kState].status = status + + // 6. Let value be parsedURL, serialized and isomorphic encoded. + const value = isomorphicEncode(URLSerializer(parsedURL)) + + // 7. Append `Location`/value to responseObject’s response’s header list. + responseObject[kState].headersList.append('location', value) + + // 8. Return responseObject. + return responseObject + } + + // https://fetch.spec.whatwg.org/#dom-response + constructor (body = null, init = {}) { + if (body !== null) { + body = webidl.converters.BodyInit(body) + } + + init = webidl.converters.ResponseInit(init) + + // TODO + this[kRealm] = { settingsObject: {} } + + // 1. Set this’s response to a new response. + this[kState] = makeResponse({}) + + // 2. Set this’s headers to a new Headers object with this’s relevant + // Realm, whose header list is this’s response’s header list and guard + // is "response". + this[kHeaders] = new Headers() + this[kHeaders][kGuard] = 'response' + this[kHeaders][kHeadersList] = this[kState].headersList + this[kHeaders][kRealm] = this[kRealm] + + // 3. Let bodyWithType be null. + let bodyWithType = null + + // 4. If body is non-null, then set bodyWithType to the result of extracting body. + if (body != null) { + const [extractedBody, type] = extractBody(body) + bodyWithType = { body: extractedBody, type } + } + + // 5. Perform initialize a response given this, init, and bodyWithType. + initializeResponse(this, init, bodyWithType) + } + + // Returns response’s type, e.g., "cors". + get type () { + webidl.brandCheck(this, Response) + + // The type getter steps are to return this’s response’s type. + return this[kState].type + } + + // Returns response’s URL, if it has one; otherwise the empty string. + get url () { + webidl.brandCheck(this, Response) + + const urlList = this[kState].urlList + + // The url getter steps are to return the empty string if this’s + // response’s URL is null; otherwise this’s response’s URL, + // serialized with exclude fragment set to true. + const url = urlList[urlList.length - 1] ?? null + + if (url === null) { + return '' + } + + return URLSerializer(url, true) + } + + // Returns whether response was obtained through a redirect. + get redirected () { + webidl.brandCheck(this, Response) + + // The redirected getter steps are to return true if this’s response’s URL + // list has more than one item; otherwise false. + return this[kState].urlList.length > 1 + } + + // Returns response’s status. + get status () { + webidl.brandCheck(this, Response) + + // The status getter steps are to return this’s response’s status. + return this[kState].status + } + + // Returns whether response’s status is an ok status. + get ok () { + webidl.brandCheck(this, Response) + + // The ok getter steps are to return true if this’s response’s status is an + // ok status; otherwise false. + return this[kState].status >= 200 && this[kState].status <= 299 + } + + // Returns response’s status message. + get statusText () { + webidl.brandCheck(this, Response) + + // The statusText getter steps are to return this’s response’s status + // message. + return this[kState].statusText + } + + // Returns response’s headers as Headers. + get headers () { + webidl.brandCheck(this, Response) + + // The headers getter steps are to return this’s headers. + return this[kHeaders] + } + + get body () { + webidl.brandCheck(this, Response) + + return this[kState].body ? this[kState].body.stream : null + } + + get bodyUsed () { + webidl.brandCheck(this, Response) + + return !!this[kState].body && util.isDisturbed(this[kState].body.stream) + } + + // Returns a clone of response. + clone () { + webidl.brandCheck(this, Response) + + // 1. If this is unusable, then throw a TypeError. + if (this.bodyUsed || (this.body && this.body.locked)) { + throw webidl.errors.exception({ + header: 'Response.clone', + message: 'Body has already been consumed.' + }) + } + + // 2. Let clonedResponse be the result of cloning this’s response. + const clonedResponse = cloneResponse(this[kState]) + + // 3. Return the result of creating a Response object, given + // clonedResponse, this’s headers’s guard, and this’s relevant Realm. + const clonedResponseObject = new Response() + clonedResponseObject[kState] = clonedResponse + clonedResponseObject[kRealm] = this[kRealm] + clonedResponseObject[kHeaders][kHeadersList] = clonedResponse.headersList + clonedResponseObject[kHeaders][kGuard] = this[kHeaders][kGuard] + clonedResponseObject[kHeaders][kRealm] = this[kHeaders][kRealm] + + return clonedResponseObject + } +} + +mixinBody(Response) + +Object.defineProperties(Response.prototype, { + type: kEnumerableProperty, + url: kEnumerableProperty, + status: kEnumerableProperty, + ok: kEnumerableProperty, + redirected: kEnumerableProperty, + statusText: kEnumerableProperty, + headers: kEnumerableProperty, + clone: kEnumerableProperty, + body: kEnumerableProperty, + bodyUsed: kEnumerableProperty, + [Symbol.toStringTag]: { + value: 'Response', + configurable: true + } +}) + +Object.defineProperties(Response, { + json: kEnumerableProperty, + redirect: kEnumerableProperty, + error: kEnumerableProperty +}) + +// https://fetch.spec.whatwg.org/#concept-response-clone +function cloneResponse (response) { + // To clone a response response, run these steps: + + // 1. If response is a filtered response, then return a new identical + // filtered response whose internal response is a clone of response’s + // internal response. + if (response.internalResponse) { + return filterResponse( + cloneResponse(response.internalResponse), + response.type + ) + } + + // 2. Let newResponse be a copy of response, except for its body. + const newResponse = makeResponse({ ...response, body: null }) + + // 3. If response’s body is non-null, then set newResponse’s body to the + // result of cloning response’s body. + if (response.body != null) { + newResponse.body = cloneBody(response.body) + } + + // 4. Return newResponse. + return newResponse +} + +function makeResponse (init) { + return { + aborted: false, + rangeRequested: false, + timingAllowPassed: false, + requestIncludesCredentials: false, + type: 'default', + status: 200, + timingInfo: null, + cacheState: '', + statusText: '', + ...init, + headersList: init.headersList + ? new HeadersList(init.headersList) + : new HeadersList(), + urlList: init.urlList ? [...init.urlList] : [] + } +} + +function makeNetworkError (reason) { + const isError = isErrorLike(reason) + return makeResponse({ + type: 'error', + status: 0, + error: isError + ? reason + : new Error(reason ? String(reason) : reason), + aborted: reason && reason.name === 'AbortError' + }) +} + +function makeFilteredResponse (response, state) { + state = { + internalResponse: response, + ...state + } + + return new Proxy(response, { + get (target, p) { + return p in state ? state[p] : target[p] + }, + set (target, p, value) { + assert(!(p in state)) + target[p] = value + return true + } + }) +} + +// https://fetch.spec.whatwg.org/#concept-filtered-response +function filterResponse (response, type) { + // Set response to the following filtered response with response as its + // internal response, depending on request’s response tainting: + if (type === 'basic') { + // A basic filtered response is a filtered response whose type is "basic" + // and header list excludes any headers in internal response’s header list + // whose name is a forbidden response-header name. + + // Note: undici does not implement forbidden response-header names + return makeFilteredResponse(response, { + type: 'basic', + headersList: response.headersList + }) + } else if (type === 'cors') { + // A CORS filtered response is a filtered response whose type is "cors" + // and header list excludes any headers in internal response’s header + // list whose name is not a CORS-safelisted response-header name, given + // internal response’s CORS-exposed header-name list. + + // Note: undici does not implement CORS-safelisted response-header names + return makeFilteredResponse(response, { + type: 'cors', + headersList: response.headersList + }) + } else if (type === 'opaque') { + // An opaque filtered response is a filtered response whose type is + // "opaque", URL list is the empty list, status is 0, status message + // is the empty byte sequence, header list is empty, and body is null. + + return makeFilteredResponse(response, { + type: 'opaque', + urlList: Object.freeze([]), + status: 0, + statusText: '', + body: null + }) + } else if (type === 'opaqueredirect') { + // An opaque-redirect filtered response is a filtered response whose type + // is "opaqueredirect", status is 0, status message is the empty byte + // sequence, header list is empty, and body is null. + + return makeFilteredResponse(response, { + type: 'opaqueredirect', + status: 0, + statusText: '', + headersList: [], + body: null + }) + } else { + assert(false) + } +} + +// https://fetch.spec.whatwg.org/#appropriate-network-error +function makeAppropriateNetworkError (fetchParams, err = null) { + // 1. Assert: fetchParams is canceled. + assert(isCancelled(fetchParams)) + + // 2. Return an aborted network error if fetchParams is aborted; + // otherwise return a network error. + return isAborted(fetchParams) + ? makeNetworkError(Object.assign(new DOMException('The operation was aborted.', 'AbortError'), { cause: err })) + : makeNetworkError(Object.assign(new DOMException('Request was cancelled.'), { cause: err })) +} + +// https://whatpr.org/fetch/1392.html#initialize-a-response +function initializeResponse (response, init, body) { + // 1. If init["status"] is not in the range 200 to 599, inclusive, then + // throw a RangeError. + if (init.status !== null && (init.status < 200 || init.status > 599)) { + throw new RangeError('init["status"] must be in the range of 200 to 599, inclusive.') + } + + // 2. If init["statusText"] does not match the reason-phrase token production, + // then throw a TypeError. + if ('statusText' in init && init.statusText != null) { + // See, https://datatracker.ietf.org/doc/html/rfc7230#section-3.1.2: + // reason-phrase = *( HTAB / SP / VCHAR / obs-text ) + if (!isValidReasonPhrase(String(init.statusText))) { + throw new TypeError('Invalid statusText') + } + } + + // 3. Set response’s response’s status to init["status"]. + if ('status' in init && init.status != null) { + response[kState].status = init.status + } + + // 4. Set response’s response’s status message to init["statusText"]. + if ('statusText' in init && init.statusText != null) { + response[kState].statusText = init.statusText + } + + // 5. If init["headers"] exists, then fill response’s headers with init["headers"]. + if ('headers' in init && init.headers != null) { + fill(response[kHeaders], init.headers) + } + + // 6. If body was given, then: + if (body) { + // 1. If response's status is a null body status, then throw a TypeError. + if (nullBodyStatus.includes(response.status)) { + throw webidl.errors.exception({ + header: 'Response constructor', + message: 'Invalid response status code ' + response.status + }) + } + + // 2. Set response's body to body's body. + response[kState].body = body.body + + // 3. If body's type is non-null and response's header list does not contain + // `Content-Type`, then append (`Content-Type`, body's type) to response's header list. + if (body.type != null && !response[kState].headersList.contains('Content-Type')) { + response[kState].headersList.append('content-type', body.type) + } + } +} + +webidl.converters.ReadableStream = webidl.interfaceConverter( + ReadableStream +) + +webidl.converters.FormData = webidl.interfaceConverter( + FormData +) + +webidl.converters.URLSearchParams = webidl.interfaceConverter( + URLSearchParams +) + +// https://fetch.spec.whatwg.org/#typedefdef-xmlhttprequestbodyinit +webidl.converters.XMLHttpRequestBodyInit = function (V) { + if (typeof V === 'string') { + return webidl.converters.USVString(V) + } + + if (isBlobLike(V)) { + return webidl.converters.Blob(V, { strict: false }) + } + + if ( + types.isAnyArrayBuffer(V) || + types.isTypedArray(V) || + types.isDataView(V) + ) { + return webidl.converters.BufferSource(V) + } + + if (util.isFormDataLike(V)) { + return webidl.converters.FormData(V, { strict: false }) + } + + if (V instanceof URLSearchParams) { + return webidl.converters.URLSearchParams(V) + } + + return webidl.converters.DOMString(V) +} + +// https://fetch.spec.whatwg.org/#bodyinit +webidl.converters.BodyInit = function (V) { + if (V instanceof ReadableStream) { + return webidl.converters.ReadableStream(V) + } + + // Note: the spec doesn't include async iterables, + // this is an undici extension. + if (V?.[Symbol.asyncIterator]) { + return V + } + + return webidl.converters.XMLHttpRequestBodyInit(V) +} + +webidl.converters.ResponseInit = webidl.dictionaryConverter([ + { + key: 'status', + converter: webidl.converters['unsigned short'], + defaultValue: 200 + }, + { + key: 'statusText', + converter: webidl.converters.ByteString, + defaultValue: '' + }, + { + key: 'headers', + converter: webidl.converters.HeadersInit + } +]) + +module.exports = { + makeNetworkError, + makeResponse, + makeAppropriateNetworkError, + filterResponse, + Response, + cloneResponse +} |