diff options
Diffstat (limited to 'g4f/Provider/npm/node_modules/undici/lib/fetch/body.js')
-rw-r--r-- | g4f/Provider/npm/node_modules/undici/lib/fetch/body.js | 605 |
1 files changed, 0 insertions, 605 deletions
diff --git a/g4f/Provider/npm/node_modules/undici/lib/fetch/body.js b/g4f/Provider/npm/node_modules/undici/lib/fetch/body.js deleted file mode 100644 index fd8481b7..00000000 --- a/g4f/Provider/npm/node_modules/undici/lib/fetch/body.js +++ /dev/null @@ -1,605 +0,0 @@ -'use strict' - -const Busboy = require('@fastify/busboy') -const util = require('../core/util') -const { - ReadableStreamFrom, - isBlobLike, - isReadableStreamLike, - readableStreamClose, - createDeferredPromise, - fullyReadBody -} = require('./util') -const { FormData } = require('./formdata') -const { kState } = require('./symbols') -const { webidl } = require('./webidl') -const { DOMException, structuredClone } = require('./constants') -const { Blob, File: NativeFile } = require('buffer') -const { kBodyUsed } = require('../core/symbols') -const assert = require('assert') -const { isErrored } = require('../core/util') -const { isUint8Array, isArrayBuffer } = require('util/types') -const { File: UndiciFile } = require('./file') -const { parseMIMEType, serializeAMimeType } = require('./dataURL') - -let ReadableStream = globalThis.ReadableStream - -/** @type {globalThis['File']} */ -const File = NativeFile ?? UndiciFile -const textEncoder = new TextEncoder() -const textDecoder = new TextDecoder() - -// https://fetch.spec.whatwg.org/#concept-bodyinit-extract -function extractBody (object, keepalive = false) { - if (!ReadableStream) { - ReadableStream = require('stream/web').ReadableStream - } - - // 1. Let stream be null. - let stream = null - - // 2. If object is a ReadableStream object, then set stream to object. - if (object instanceof ReadableStream) { - stream = object - } else if (isBlobLike(object)) { - // 3. Otherwise, if object is a Blob object, set stream to the - // result of running object’s get stream. - stream = object.stream() - } else { - // 4. Otherwise, set stream to a new ReadableStream object, and set - // up stream. - stream = new ReadableStream({ - async pull (controller) { - controller.enqueue( - typeof source === 'string' ? textEncoder.encode(source) : source - ) - queueMicrotask(() => readableStreamClose(controller)) - }, - start () {}, - type: undefined - }) - } - - // 5. Assert: stream is a ReadableStream object. - assert(isReadableStreamLike(stream)) - - // 6. Let action be null. - let action = null - - // 7. Let source be null. - let source = null - - // 8. Let length be null. - let length = null - - // 9. Let type be null. - let type = null - - // 10. Switch on object: - if (typeof object === 'string') { - // Set source to the UTF-8 encoding of object. - // Note: setting source to a Uint8Array here breaks some mocking assumptions. - source = object - - // Set type to `text/plain;charset=UTF-8`. - type = 'text/plain;charset=UTF-8' - } else if (object instanceof URLSearchParams) { - // URLSearchParams - - // spec says to run application/x-www-form-urlencoded on body.list - // this is implemented in Node.js as apart of an URLSearchParams instance toString method - // See: https://github.com/nodejs/node/blob/e46c680bf2b211bbd52cf959ca17ee98c7f657f5/lib/internal/url.js#L490 - // and https://github.com/nodejs/node/blob/e46c680bf2b211bbd52cf959ca17ee98c7f657f5/lib/internal/url.js#L1100 - - // Set source to the result of running the application/x-www-form-urlencoded serializer with object’s list. - source = object.toString() - - // Set type to `application/x-www-form-urlencoded;charset=UTF-8`. - type = 'application/x-www-form-urlencoded;charset=UTF-8' - } else if (isArrayBuffer(object)) { - // BufferSource/ArrayBuffer - - // Set source to a copy of the bytes held by object. - source = new Uint8Array(object.slice()) - } else if (ArrayBuffer.isView(object)) { - // BufferSource/ArrayBufferView - - // Set source to a copy of the bytes held by object. - source = new Uint8Array(object.buffer.slice(object.byteOffset, object.byteOffset + object.byteLength)) - } else if (util.isFormDataLike(object)) { - const boundary = `----formdata-undici-0${`${Math.floor(Math.random() * 1e11)}`.padStart(11, '0')}` - const prefix = `--${boundary}\r\nContent-Disposition: form-data` - - /*! formdata-polyfill. MIT License. Jimmy Wärting <https://jimmy.warting.se/opensource> */ - const escape = (str) => - str.replace(/\n/g, '%0A').replace(/\r/g, '%0D').replace(/"/g, '%22') - const normalizeLinefeeds = (value) => value.replace(/\r?\n|\r/g, '\r\n') - - // Set action to this step: run the multipart/form-data - // encoding algorithm, with object’s entry list and UTF-8. - // - This ensures that the body is immutable and can't be changed afterwords - // - That the content-length is calculated in advance. - // - And that all parts are pre-encoded and ready to be sent. - - const blobParts = [] - const rn = new Uint8Array([13, 10]) // '\r\n' - length = 0 - let hasUnknownSizeValue = false - - for (const [name, value] of object) { - if (typeof value === 'string') { - const chunk = textEncoder.encode(prefix + - `; name="${escape(normalizeLinefeeds(name))}"` + - `\r\n\r\n${normalizeLinefeeds(value)}\r\n`) - blobParts.push(chunk) - length += chunk.byteLength - } else { - const chunk = textEncoder.encode(`${prefix}; name="${escape(normalizeLinefeeds(name))}"` + - (value.name ? `; filename="${escape(value.name)}"` : '') + '\r\n' + - `Content-Type: ${ - value.type || 'application/octet-stream' - }\r\n\r\n`) - blobParts.push(chunk, value, rn) - if (typeof value.size === 'number') { - length += chunk.byteLength + value.size + rn.byteLength - } else { - hasUnknownSizeValue = true - } - } - } - - const chunk = textEncoder.encode(`--${boundary}--`) - blobParts.push(chunk) - length += chunk.byteLength - if (hasUnknownSizeValue) { - length = null - } - - // Set source to object. - source = object - - action = async function * () { - for (const part of blobParts) { - if (part.stream) { - yield * part.stream() - } else { - yield part - } - } - } - - // Set type to `multipart/form-data; boundary=`, - // followed by the multipart/form-data boundary string generated - // by the multipart/form-data encoding algorithm. - type = 'multipart/form-data; boundary=' + boundary - } else if (isBlobLike(object)) { - // Blob - - // Set source to object. - source = object - - // Set length to object’s size. - length = object.size - - // If object’s type attribute is not the empty byte sequence, set - // type to its value. - if (object.type) { - type = object.type - } - } else if (typeof object[Symbol.asyncIterator] === 'function') { - // If keepalive is true, then throw a TypeError. - if (keepalive) { - throw new TypeError('keepalive') - } - - // If object is disturbed or locked, then throw a TypeError. - if (util.isDisturbed(object) || object.locked) { - throw new TypeError( - 'Response body object should not be disturbed or locked' - ) - } - - stream = - object instanceof ReadableStream ? object : ReadableStreamFrom(object) - } - - // 11. If source is a byte sequence, then set action to a - // step that returns source and length to source’s length. - if (typeof source === 'string' || util.isBuffer(source)) { - length = Buffer.byteLength(source) - } - - // 12. If action is non-null, then run these steps in in parallel: - if (action != null) { - // Run action. - let iterator - stream = new ReadableStream({ - async start () { - iterator = action(object)[Symbol.asyncIterator]() - }, - async pull (controller) { - const { value, done } = await iterator.next() - if (done) { - // When running action is done, close stream. - queueMicrotask(() => { - controller.close() - }) - } else { - // Whenever one or more bytes are available and stream is not errored, - // enqueue a Uint8Array wrapping an ArrayBuffer containing the available - // bytes into stream. - if (!isErrored(stream)) { - controller.enqueue(new Uint8Array(value)) - } - } - return controller.desiredSize > 0 - }, - async cancel (reason) { - await iterator.return() - }, - type: undefined - }) - } - - // 13. Let body be a body whose stream is stream, source is source, - // and length is length. - const body = { stream, source, length } - - // 14. Return (body, type). - return [body, type] -} - -// https://fetch.spec.whatwg.org/#bodyinit-safely-extract -function safelyExtractBody (object, keepalive = false) { - if (!ReadableStream) { - // istanbul ignore next - ReadableStream = require('stream/web').ReadableStream - } - - // To safely extract a body and a `Content-Type` value from - // a byte sequence or BodyInit object object, run these steps: - - // 1. If object is a ReadableStream object, then: - if (object instanceof ReadableStream) { - // Assert: object is neither disturbed nor locked. - // istanbul ignore next - assert(!util.isDisturbed(object), 'The body has already been consumed.') - // istanbul ignore next - assert(!object.locked, 'The stream is locked.') - } - - // 2. Return the results of extracting object. - return extractBody(object, keepalive) -} - -function cloneBody (body) { - // To clone a body body, run these steps: - - // https://fetch.spec.whatwg.org/#concept-body-clone - - // 1. Let « out1, out2 » be the result of teeing body’s stream. - const [out1, out2] = body.stream.tee() - const out2Clone = structuredClone(out2, { transfer: [out2] }) - // This, for whatever reasons, unrefs out2Clone which allows - // the process to exit by itself. - const [, finalClone] = out2Clone.tee() - - // 2. Set body’s stream to out1. - body.stream = out1 - - // 3. Return a body whose stream is out2 and other members are copied from body. - return { - stream: finalClone, - length: body.length, - source: body.source - } -} - -async function * consumeBody (body) { - if (body) { - if (isUint8Array(body)) { - yield body - } else { - const stream = body.stream - - if (util.isDisturbed(stream)) { - throw new TypeError('The body has already been consumed.') - } - - if (stream.locked) { - throw new TypeError('The stream is locked.') - } - - // Compat. - stream[kBodyUsed] = true - - yield * stream - } - } -} - -function throwIfAborted (state) { - if (state.aborted) { - throw new DOMException('The operation was aborted.', 'AbortError') - } -} - -function bodyMixinMethods (instance) { - const methods = { - blob () { - // The blob() method steps are to return the result of - // running consume body with this and the following step - // given a byte sequence bytes: return a Blob whose - // contents are bytes and whose type attribute is this’s - // MIME type. - return specConsumeBody(this, (bytes) => { - let mimeType = bodyMimeType(this) - - if (mimeType === 'failure') { - mimeType = '' - } else if (mimeType) { - mimeType = serializeAMimeType(mimeType) - } - - // Return a Blob whose contents are bytes and type attribute - // is mimeType. - return new Blob([bytes], { type: mimeType }) - }, instance) - }, - - arrayBuffer () { - // The arrayBuffer() method steps are to return the result - // of running consume body with this and the following step - // given a byte sequence bytes: return a new ArrayBuffer - // whose contents are bytes. - return specConsumeBody(this, (bytes) => { - return new Uint8Array(bytes).buffer - }, instance) - }, - - text () { - // The text() method steps are to return the result of running - // consume body with this and UTF-8 decode. - return specConsumeBody(this, utf8DecodeBytes, instance) - }, - - json () { - // The json() method steps are to return the result of running - // consume body with this and parse JSON from bytes. - return specConsumeBody(this, parseJSONFromBytes, instance) - }, - - async formData () { - webidl.brandCheck(this, instance) - - throwIfAborted(this[kState]) - - const contentType = this.headers.get('Content-Type') - - // If mimeType’s essence is "multipart/form-data", then: - if (/multipart\/form-data/.test(contentType)) { - const headers = {} - for (const [key, value] of this.headers) headers[key.toLowerCase()] = value - - const responseFormData = new FormData() - - let busboy - - try { - busboy = new Busboy({ - headers, - preservePath: true - }) - } catch (err) { - throw new DOMException(`${err}`, 'AbortError') - } - - busboy.on('field', (name, value) => { - responseFormData.append(name, value) - }) - busboy.on('file', (name, value, filename, encoding, mimeType) => { - const chunks = [] - - if (encoding === 'base64' || encoding.toLowerCase() === 'base64') { - let base64chunk = '' - - value.on('data', (chunk) => { - base64chunk += chunk.toString().replace(/[\r\n]/gm, '') - - const end = base64chunk.length - base64chunk.length % 4 - chunks.push(Buffer.from(base64chunk.slice(0, end), 'base64')) - - base64chunk = base64chunk.slice(end) - }) - value.on('end', () => { - chunks.push(Buffer.from(base64chunk, 'base64')) - responseFormData.append(name, new File(chunks, filename, { type: mimeType })) - }) - } else { - value.on('data', (chunk) => { - chunks.push(chunk) - }) - value.on('end', () => { - responseFormData.append(name, new File(chunks, filename, { type: mimeType })) - }) - } - }) - - const busboyResolve = new Promise((resolve, reject) => { - busboy.on('finish', resolve) - busboy.on('error', (err) => reject(new TypeError(err))) - }) - - if (this.body !== null) for await (const chunk of consumeBody(this[kState].body)) busboy.write(chunk) - busboy.end() - await busboyResolve - - return responseFormData - } else if (/application\/x-www-form-urlencoded/.test(contentType)) { - // Otherwise, if mimeType’s essence is "application/x-www-form-urlencoded", then: - - // 1. Let entries be the result of parsing bytes. - let entries - try { - let text = '' - // application/x-www-form-urlencoded parser will keep the BOM. - // https://url.spec.whatwg.org/#concept-urlencoded-parser - // Note that streaming decoder is stateful and cannot be reused - const streamingDecoder = new TextDecoder('utf-8', { ignoreBOM: true }) - - for await (const chunk of consumeBody(this[kState].body)) { - if (!isUint8Array(chunk)) { - throw new TypeError('Expected Uint8Array chunk') - } - text += streamingDecoder.decode(chunk, { stream: true }) - } - text += streamingDecoder.decode() - entries = new URLSearchParams(text) - } catch (err) { - // istanbul ignore next: Unclear when new URLSearchParams can fail on a string. - // 2. If entries is failure, then throw a TypeError. - throw Object.assign(new TypeError(), { cause: err }) - } - - // 3. Return a new FormData object whose entries are entries. - const formData = new FormData() - for (const [name, value] of entries) { - formData.append(name, value) - } - return formData - } else { - // Wait a tick before checking if the request has been aborted. - // Otherwise, a TypeError can be thrown when an AbortError should. - await Promise.resolve() - - throwIfAborted(this[kState]) - - // Otherwise, throw a TypeError. - throw webidl.errors.exception({ - header: `${instance.name}.formData`, - message: 'Could not parse content as FormData.' - }) - } - } - } - - return methods -} - -function mixinBody (prototype) { - Object.assign(prototype.prototype, bodyMixinMethods(prototype)) -} - -/** - * @see https://fetch.spec.whatwg.org/#concept-body-consume-body - * @param {Response|Request} object - * @param {(value: unknown) => unknown} convertBytesToJSValue - * @param {Response|Request} instance - */ -async function specConsumeBody (object, convertBytesToJSValue, instance) { - webidl.brandCheck(object, instance) - - throwIfAborted(object[kState]) - - // 1. If object is unusable, then return a promise rejected - // with a TypeError. - if (bodyUnusable(object[kState].body)) { - throw new TypeError('Body is unusable') - } - - // 2. Let promise be a new promise. - const promise = createDeferredPromise() - - // 3. Let errorSteps given error be to reject promise with error. - const errorSteps = (error) => promise.reject(error) - - // 4. Let successSteps given a byte sequence data be to resolve - // promise with the result of running convertBytesToJSValue - // with data. If that threw an exception, then run errorSteps - // with that exception. - const successSteps = (data) => { - try { - promise.resolve(convertBytesToJSValue(data)) - } catch (e) { - errorSteps(e) - } - } - - // 5. If object’s body is null, then run successSteps with an - // empty byte sequence. - if (object[kState].body == null) { - successSteps(new Uint8Array()) - return promise.promise - } - - // 6. Otherwise, fully read object’s body given successSteps, - // errorSteps, and object’s relevant global object. - await fullyReadBody(object[kState].body, successSteps, errorSteps) - - // 7. Return promise. - return promise.promise -} - -// https://fetch.spec.whatwg.org/#body-unusable -function bodyUnusable (body) { - // An object including the Body interface mixin is - // said to be unusable if its body is non-null and - // its body’s stream is disturbed or locked. - return body != null && (body.stream.locked || util.isDisturbed(body.stream)) -} - -/** - * @see https://encoding.spec.whatwg.org/#utf-8-decode - * @param {Buffer} buffer - */ -function utf8DecodeBytes (buffer) { - if (buffer.length === 0) { - return '' - } - - // 1. Let buffer be the result of peeking three bytes from - // ioQueue, converted to a byte sequence. - - // 2. If buffer is 0xEF 0xBB 0xBF, then read three - // bytes from ioQueue. (Do nothing with those bytes.) - if (buffer[0] === 0xEF && buffer[1] === 0xBB && buffer[2] === 0xBF) { - buffer = buffer.subarray(3) - } - - // 3. Process a queue with an instance of UTF-8’s - // decoder, ioQueue, output, and "replacement". - const output = textDecoder.decode(buffer) - - // 4. Return output. - return output -} - -/** - * @see https://infra.spec.whatwg.org/#parse-json-bytes-to-a-javascript-value - * @param {Uint8Array} bytes - */ -function parseJSONFromBytes (bytes) { - return JSON.parse(utf8DecodeBytes(bytes)) -} - -/** - * @see https://fetch.spec.whatwg.org/#concept-body-mime-type - * @param {import('./response').Response|import('./request').Request} object - */ -function bodyMimeType (object) { - const { headersList } = object[kState] - const contentType = headersList.get('content-type') - - if (contentType === null) { - return 'failure' - } - - return parseMIMEType(contentType) -} - -module.exports = { - extractBody, - safelyExtractBody, - cloneBody, - mixinBody -} |