diff options
Diffstat (limited to 'g4f/Provider/npm/node_modules/undici/lib/client.js')
| -rw-r--r-- | g4f/Provider/npm/node_modules/undici/lib/client.js | 2292 |
1 files changed, 0 insertions, 2292 deletions
diff --git a/g4f/Provider/npm/node_modules/undici/lib/client.js b/g4f/Provider/npm/node_modules/undici/lib/client.js deleted file mode 100644 index 00f4467c..00000000 --- a/g4f/Provider/npm/node_modules/undici/lib/client.js +++ /dev/null @@ -1,2292 +0,0 @@ -// @ts-check - -'use strict' - -/* global WebAssembly */ - -const assert = require('assert') -const net = require('net') -const http = require('http') -const { pipeline } = require('stream') -const util = require('./core/util') -const timers = require('./timers') -const Request = require('./core/request') -const DispatcherBase = require('./dispatcher-base') -const { - RequestContentLengthMismatchError, - ResponseContentLengthMismatchError, - InvalidArgumentError, - RequestAbortedError, - HeadersTimeoutError, - HeadersOverflowError, - SocketError, - InformationalError, - BodyTimeoutError, - HTTPParserError, - ResponseExceededMaxSizeError, - ClientDestroyedError -} = require('./core/errors') -const buildConnector = require('./core/connect') -const { - kUrl, - kReset, - kServerName, - kClient, - kBusy, - kParser, - kConnect, - kBlocking, - kResuming, - kRunning, - kPending, - kSize, - kWriting, - kQueue, - kConnected, - kConnecting, - kNeedDrain, - kNoRef, - kKeepAliveDefaultTimeout, - kHostHeader, - kPendingIdx, - kRunningIdx, - kError, - kPipelining, - kSocket, - kKeepAliveTimeoutValue, - kMaxHeadersSize, - kKeepAliveMaxTimeout, - kKeepAliveTimeoutThreshold, - kHeadersTimeout, - kBodyTimeout, - kStrictContentLength, - kConnector, - kMaxRedirections, - kMaxRequests, - kCounter, - kClose, - kDestroy, - kDispatch, - kInterceptors, - kLocalAddress, - kMaxResponseSize, - kHTTPConnVersion, - // HTTP2 - kHost, - kHTTP2Session, - kHTTP2SessionState, - kHTTP2BuildRequest, - kHTTP2CopyHeaders, - kHTTP1BuildRequest -} = require('./core/symbols') - -/** @type {import('http2')} */ -let http2 -try { - http2 = require('http2') -} catch { - // @ts-ignore - http2 = { constants: {} } -} - -const { - constants: { - HTTP2_HEADER_AUTHORITY, - HTTP2_HEADER_METHOD, - HTTP2_HEADER_PATH, - HTTP2_HEADER_SCHEME, - HTTP2_HEADER_CONTENT_LENGTH, - HTTP2_HEADER_EXPECT, - HTTP2_HEADER_STATUS - } -} = http2 - -// Experimental -let h2ExperimentalWarned = false - -const FastBuffer = Buffer[Symbol.species] - -const kClosedResolve = Symbol('kClosedResolve') - -const channels = {} - -try { - const diagnosticsChannel = require('diagnostics_channel') - channels.sendHeaders = diagnosticsChannel.channel('undici:client:sendHeaders') - channels.beforeConnect = diagnosticsChannel.channel('undici:client:beforeConnect') - channels.connectError = diagnosticsChannel.channel('undici:client:connectError') - channels.connected = diagnosticsChannel.channel('undici:client:connected') -} catch { - channels.sendHeaders = { hasSubscribers: false } - channels.beforeConnect = { hasSubscribers: false } - channels.connectError = { hasSubscribers: false } - channels.connected = { hasSubscribers: false } -} - -/** - * @type {import('../types/client').default} - */ -class Client extends DispatcherBase { - /** - * - * @param {string|URL} url - * @param {import('../types/client').Client.Options} options - */ - constructor (url, { - interceptors, - maxHeaderSize, - headersTimeout, - socketTimeout, - requestTimeout, - connectTimeout, - bodyTimeout, - idleTimeout, - keepAlive, - keepAliveTimeout, - maxKeepAliveTimeout, - keepAliveMaxTimeout, - keepAliveTimeoutThreshold, - socketPath, - pipelining, - tls, - strictContentLength, - maxCachedSessions, - maxRedirections, - connect, - maxRequestsPerClient, - localAddress, - maxResponseSize, - autoSelectFamily, - autoSelectFamilyAttemptTimeout, - // h2 - allowH2, - maxConcurrentStreams - } = {}) { - super() - - if (keepAlive !== undefined) { - throw new InvalidArgumentError('unsupported keepAlive, use pipelining=0 instead') - } - - if (socketTimeout !== undefined) { - throw new InvalidArgumentError('unsupported socketTimeout, use headersTimeout & bodyTimeout instead') - } - - if (requestTimeout !== undefined) { - throw new InvalidArgumentError('unsupported requestTimeout, use headersTimeout & bodyTimeout instead') - } - - if (idleTimeout !== undefined) { - throw new InvalidArgumentError('unsupported idleTimeout, use keepAliveTimeout instead') - } - - if (maxKeepAliveTimeout !== undefined) { - throw new InvalidArgumentError('unsupported maxKeepAliveTimeout, use keepAliveMaxTimeout instead') - } - - if (maxHeaderSize != null && !Number.isFinite(maxHeaderSize)) { - throw new InvalidArgumentError('invalid maxHeaderSize') - } - - if (socketPath != null && typeof socketPath !== 'string') { - throw new InvalidArgumentError('invalid socketPath') - } - - if (connectTimeout != null && (!Number.isFinite(connectTimeout) || connectTimeout < 0)) { - throw new InvalidArgumentError('invalid connectTimeout') - } - - if (keepAliveTimeout != null && (!Number.isFinite(keepAliveTimeout) || keepAliveTimeout <= 0)) { - throw new InvalidArgumentError('invalid keepAliveTimeout') - } - - if (keepAliveMaxTimeout != null && (!Number.isFinite(keepAliveMaxTimeout) || keepAliveMaxTimeout <= 0)) { - throw new InvalidArgumentError('invalid keepAliveMaxTimeout') - } - - if (keepAliveTimeoutThreshold != null && !Number.isFinite(keepAliveTimeoutThreshold)) { - throw new InvalidArgumentError('invalid keepAliveTimeoutThreshold') - } - - if (headersTimeout != null && (!Number.isInteger(headersTimeout) || headersTimeout < 0)) { - throw new InvalidArgumentError('headersTimeout must be a positive integer or zero') - } - - if (bodyTimeout != null && (!Number.isInteger(bodyTimeout) || bodyTimeout < 0)) { - throw new InvalidArgumentError('bodyTimeout must be a positive integer or zero') - } - - if (connect != null && typeof connect !== 'function' && typeof connect !== 'object') { - throw new InvalidArgumentError('connect must be a function or an object') - } - - if (maxRedirections != null && (!Number.isInteger(maxRedirections) || maxRedirections < 0)) { - throw new InvalidArgumentError('maxRedirections must be a positive number') - } - - if (maxRequestsPerClient != null && (!Number.isInteger(maxRequestsPerClient) || maxRequestsPerClient < 0)) { - throw new InvalidArgumentError('maxRequestsPerClient must be a positive number') - } - - if (localAddress != null && (typeof localAddress !== 'string' || net.isIP(localAddress) === 0)) { - throw new InvalidArgumentError('localAddress must be valid string IP address') - } - - if (maxResponseSize != null && (!Number.isInteger(maxResponseSize) || maxResponseSize < -1)) { - throw new InvalidArgumentError('maxResponseSize must be a positive number') - } - - if ( - autoSelectFamilyAttemptTimeout != null && - (!Number.isInteger(autoSelectFamilyAttemptTimeout) || autoSelectFamilyAttemptTimeout < -1) - ) { - throw new InvalidArgumentError('autoSelectFamilyAttemptTimeout must be a positive number') - } - - // h2 - if (allowH2 != null && typeof allowH2 !== 'boolean') { - throw new InvalidArgumentError('allowH2 must be a valid boolean value') - } - - if (maxConcurrentStreams != null && (typeof maxConcurrentStreams !== 'number' || maxConcurrentStreams < 1)) { - throw new InvalidArgumentError('maxConcurrentStreams must be a possitive integer, greater than 0') - } - - if (typeof connect !== 'function') { - connect = buildConnector({ - ...tls, - maxCachedSessions, - allowH2, - socketPath, - timeout: connectTimeout, - ...(util.nodeHasAutoSelectFamily && autoSelectFamily ? { autoSelectFamily, autoSelectFamilyAttemptTimeout } : undefined), - ...connect - }) - } - - this[kInterceptors] = interceptors && interceptors.Client && Array.isArray(interceptors.Client) - ? interceptors.Client - : [createRedirectInterceptor({ maxRedirections })] - this[kUrl] = util.parseOrigin(url) - this[kConnector] = connect - this[kSocket] = null - this[kPipelining] = pipelining != null ? pipelining : 1 - this[kMaxHeadersSize] = maxHeaderSize || http.maxHeaderSize - this[kKeepAliveDefaultTimeout] = keepAliveTimeout == null ? 4e3 : keepAliveTimeout - this[kKeepAliveMaxTimeout] = keepAliveMaxTimeout == null ? 600e3 : keepAliveMaxTimeout - this[kKeepAliveTimeoutThreshold] = keepAliveTimeoutThreshold == null ? 1e3 : keepAliveTimeoutThreshold - this[kKeepAliveTimeoutValue] = this[kKeepAliveDefaultTimeout] - this[kServerName] = null - this[kLocalAddress] = localAddress != null ? localAddress : null - this[kResuming] = 0 // 0, idle, 1, scheduled, 2 resuming - this[kNeedDrain] = 0 // 0, idle, 1, scheduled, 2 resuming - this[kHostHeader] = `host: ${this[kUrl].hostname}${this[kUrl].port ? `:${this[kUrl].port}` : ''}\r\n` - this[kBodyTimeout] = bodyTimeout != null ? bodyTimeout : 300e3 - this[kHeadersTimeout] = headersTimeout != null ? headersTimeout : 300e3 - this[kStrictContentLength] = strictContentLength == null ? true : strictContentLength - this[kMaxRedirections] = maxRedirections - this[kMaxRequests] = maxRequestsPerClient - this[kClosedResolve] = null - this[kMaxResponseSize] = maxResponseSize > -1 ? maxResponseSize : -1 - this[kHTTPConnVersion] = 'h1' - - // HTTP/2 - this[kHTTP2Session] = null - this[kHTTP2SessionState] = !allowH2 - ? null - : { - // streams: null, // Fixed queue of streams - For future support of `push` - openStreams: 0, // Keep track of them to decide wether or not unref the session - maxConcurrentStreams: maxConcurrentStreams != null ? maxConcurrentStreams : 100 // Max peerConcurrentStreams for a Node h2 server - } - this[kHost] = `${this[kUrl].hostname}${this[kUrl].port ? `:${this[kUrl].port}` : ''}` - - // kQueue is built up of 3 sections separated by - // the kRunningIdx and kPendingIdx indices. - // | complete | running | pending | - // ^ kRunningIdx ^ kPendingIdx ^ kQueue.length - // kRunningIdx points to the first running element. - // kPendingIdx points to the first pending element. - // This implements a fast queue with an amortized - // time of O(1). - - this[kQueue] = [] - this[kRunningIdx] = 0 - this[kPendingIdx] = 0 - } - - get pipelining () { - return this[kPipelining] - } - - set pipelining (value) { - this[kPipelining] = value - resume(this, true) - } - - get [kPending] () { - return this[kQueue].length - this[kPendingIdx] - } - - get [kRunning] () { - return this[kPendingIdx] - this[kRunningIdx] - } - - get [kSize] () { - return this[kQueue].length - this[kRunningIdx] - } - - get [kConnected] () { - return !!this[kSocket] && !this[kConnecting] && !this[kSocket].destroyed - } - - get [kBusy] () { - const socket = this[kSocket] - return ( - (socket && (socket[kReset] || socket[kWriting] || socket[kBlocking])) || - (this[kSize] >= (this[kPipelining] || 1)) || - this[kPending] > 0 - ) - } - - /* istanbul ignore: only used for test */ - [kConnect] (cb) { - connect(this) - this.once('connect', cb) - } - - [kDispatch] (opts, handler) { - const origin = opts.origin || this[kUrl].origin - - const request = this[kHTTPConnVersion] === 'h2' - ? Request[kHTTP2BuildRequest](origin, opts, handler) - : Request[kHTTP1BuildRequest](origin, opts, handler) - - this[kQueue].push(request) - if (this[kResuming]) { - // Do nothing. - } else if (util.bodyLength(request.body) == null && util.isIterable(request.body)) { - // Wait a tick in case stream/iterator is ended in the same tick. - this[kResuming] = 1 - process.nextTick(resume, this) - } else { - resume(this, true) - } - - if (this[kResuming] && this[kNeedDrain] !== 2 && this[kBusy]) { - this[kNeedDrain] = 2 - } - - return this[kNeedDrain] < 2 - } - - async [kClose] () { - // TODO: for H2 we need to gracefully flush the remaining enqueued - // request and close each stream. - return new Promise((resolve) => { - if (!this[kSize]) { - resolve(null) - } else { - this[kClosedResolve] = resolve - } - }) - } - - async [kDestroy] (err) { - return new Promise((resolve) => { - const requests = this[kQueue].splice(this[kPendingIdx]) - for (let i = 0; i < requests.length; i++) { - const request = requests[i] - errorRequest(this, request, err) - } - - const callback = () => { - if (this[kClosedResolve]) { - // TODO (fix): Should we error here with ClientDestroyedError? - this[kClosedResolve]() - this[kClosedResolve] = null - } - resolve() - } - - if (this[kHTTP2Session] != null) { - util.destroy(this[kHTTP2Session], err) - this[kHTTP2Session] = null - this[kHTTP2SessionState] = null - } - - if (!this[kSocket]) { - queueMicrotask(callback) - } else { - util.destroy(this[kSocket].on('close', callback), err) - } - - resume(this) - }) - } -} - -function onHttp2SessionError (err) { - assert(err.code !== 'ERR_TLS_CERT_ALTNAME_INVALID') - - this[kSocket][kError] = err - - onError(this[kClient], err) -} - -function onHttp2FrameError (type, code, id) { - const err = new InformationalError(`HTTP/2: "frameError" received - type ${type}, code ${code}`) - - if (id === 0) { - this[kSocket][kError] = err - onError(this[kClient], err) - } -} - -function onHttp2SessionEnd () { - util.destroy(this, new SocketError('other side closed')) - util.destroy(this[kSocket], new SocketError('other side closed')) -} - -function onHTTP2GoAway (code) { - const client = this[kClient] - const err = new InformationalError(`HTTP/2: "GOAWAY" frame received with code ${code}`) - client[kSocket] = null - client[kHTTP2Session] = null - - if (client.destroyed) { - assert(this[kPending] === 0) - - // Fail entire queue. - const requests = client[kQueue].splice(client[kRunningIdx]) - for (let i = 0; i < requests.length; i++) { - const request = requests[i] - errorRequest(this, request, err) - } - } else if (client[kRunning] > 0) { - // Fail head of pipeline. - const request = client[kQueue][client[kRunningIdx]] - client[kQueue][client[kRunningIdx]++] = null - - errorRequest(client, request, err) - } - - client[kPendingIdx] = client[kRunningIdx] - - assert(client[kRunning] === 0) - - client.emit('disconnect', - client[kUrl], - [client], - err - ) - - resume(client) -} - -const constants = require('./llhttp/constants') -const createRedirectInterceptor = require('./interceptor/redirectInterceptor') -const EMPTY_BUF = Buffer.alloc(0) - -async function lazyllhttp () { - const llhttpWasmData = process.env.JEST_WORKER_ID ? require('./llhttp/llhttp-wasm.js') : undefined - - let mod - try { - mod = await WebAssembly.compile(Buffer.from(require('./llhttp/llhttp_simd-wasm.js'), 'base64')) - } catch (e) { - /* istanbul ignore next */ - - // We could check if the error was caused by the simd option not - // being enabled, but the occurring of this other error - // * https://github.com/emscripten-core/emscripten/issues/11495 - // got me to remove that check to avoid breaking Node 12. - mod = await WebAssembly.compile(Buffer.from(llhttpWasmData || require('./llhttp/llhttp-wasm.js'), 'base64')) - } - - return await WebAssembly.instantiate(mod, { - env: { - /* eslint-disable camelcase */ - - wasm_on_url: (p, at, len) => { - /* istanbul ignore next */ - return 0 - }, - wasm_on_status: (p, at, len) => { - assert.strictEqual(currentParser.ptr, p) - const start = at - currentBufferPtr + currentBufferRef.byteOffset - return currentParser.onStatus(new FastBuffer(currentBufferRef.buffer, start, len)) || 0 - }, - wasm_on_message_begin: (p) => { - assert.strictEqual(currentParser.ptr, p) - return currentParser.onMessageBegin() || 0 - }, - wasm_on_header_field: (p, at, len) => { - assert.strictEqual(currentParser.ptr, p) - const start = at - currentBufferPtr + currentBufferRef.byteOffset - return currentParser.onHeaderField(new FastBuffer(currentBufferRef.buffer, start, len)) || 0 - }, - wasm_on_header_value: (p, at, len) => { - assert.strictEqual(currentParser.ptr, p) - const start = at - currentBufferPtr + currentBufferRef.byteOffset - return currentParser.onHeaderValue(new FastBuffer(currentBufferRef.buffer, start, len)) || 0 - }, - wasm_on_headers_complete: (p, statusCode, upgrade, shouldKeepAlive) => { - assert.strictEqual(currentParser.ptr, p) - return currentParser.onHeadersComplete(statusCode, Boolean(upgrade), Boolean(shouldKeepAlive)) || 0 - }, - wasm_on_body: (p, at, len) => { - assert.strictEqual(currentParser.ptr, p) - const start = at - currentBufferPtr + currentBufferRef.byteOffset - return currentParser.onBody(new FastBuffer(currentBufferRef.buffer, start, len)) || 0 - }, - wasm_on_message_complete: (p) => { - assert.strictEqual(currentParser.ptr, p) - return currentParser.onMessageComplete() || 0 - } - - /* eslint-enable camelcase */ - } - }) -} - -let llhttpInstance = null -let llhttpPromise = lazyllhttp() -llhttpPromise.catch() - -let currentParser = null -let currentBufferRef = null -let currentBufferSize = 0 -let currentBufferPtr = null - -const TIMEOUT_HEADERS = 1 -const TIMEOUT_BODY = 2 -const TIMEOUT_IDLE = 3 - -class Parser { - constructor (client, socket, { exports }) { - assert(Number.isFinite(client[kMaxHeadersSize]) && client[kMaxHeadersSize] > 0) - - this.llhttp = exports - this.ptr = this.llhttp.llhttp_alloc(constants.TYPE.RESPONSE) - this.client = client - this.socket = socket - this.timeout = null - this.timeoutValue = null - this.timeoutType = null - this.statusCode = null - this.statusText = '' - this.upgrade = false - this.headers = [] - this.headersSize = 0 - this.headersMaxSize = client[kMaxHeadersSize] - this.shouldKeepAlive = false - this.paused = false - this.resume = this.resume.bind(this) - - this.bytesRead = 0 - - this.keepAlive = '' - this.contentLength = '' - this.connection = '' - this.maxResponseSize = client[kMaxResponseSize] - } - - setTimeout (value, type) { - this.timeoutType = type - if (value !== this.timeoutValue) { - timers.clearTimeout(this.timeout) - if (value) { - this.timeout = timers.setTimeout(onParserTimeout, value, this) - // istanbul ignore else: only for jest - if (this.timeout.unref) { - this.timeout.unref() - } - } else { - this.timeout = null - } - this.timeoutValue = value - } else if (this.timeout) { - // istanbul ignore else: only for jest - if (this.timeout.refresh) { - this.timeout.refresh() - } - } - } - - resume () { - if (this.socket.destroyed || !this.paused) { - return - } - - assert(this.ptr != null) - assert(currentParser == null) - - this.llhttp.llhttp_resume(this.ptr) - - assert(this.timeoutType === TIMEOUT_BODY) - if (this.timeout) { - // istanbul ignore else: only for jest - if (this.timeout.refresh) { - this.timeout.refresh() - } - } - - this.paused = false - this.execute(this.socket.read() || EMPTY_BUF) // Flush parser. - this.readMore() - } - - readMore () { - while (!this.paused && this.ptr) { - const chunk = this.socket.read() - if (chunk === null) { - break - } - this.execute(chunk) - } - } - - execute (data) { - assert(this.ptr != null) - assert(currentParser == null) - assert(!this.paused) - - const { socket, llhttp } = this - - if (data.length > currentBufferSize) { - if (currentBufferPtr) { - llhttp.free(currentBufferPtr) - } - currentBufferSize = Math.ceil(data.length / 4096) * 4096 - currentBufferPtr = llhttp.malloc(currentBufferSize) - } - - new Uint8Array(llhttp.memory.buffer, currentBufferPtr, currentBufferSize).set(data) - - // Call `execute` on the wasm parser. - // We pass the `llhttp_parser` pointer address, the pointer address of buffer view data, - // and finally the length of bytes to parse. - // The return value is an error code or `constants.ERROR.OK`. - try { - let ret - - try { - currentBufferRef = data - currentParser = this - ret = llhttp.llhttp_execute(this.ptr, currentBufferPtr, data.length) - /* eslint-disable-next-line no-useless-catch */ - } catch (err) { - /* istanbul ignore next: difficult to make a test case for */ - throw err - } finally { - currentParser = null - currentBufferRef = null - } - - const offset = llhttp.llhttp_get_error_pos(this.ptr) - currentBufferPtr - - if (ret === constants.ERROR.PAUSED_UPGRADE) { - this.onUpgrade(data.slice(offset)) - } else if (ret === constants.ERROR.PAUSED) { - this.paused = true - socket.unshift(data.slice(offset)) - } else if (ret !== constants.ERROR.OK) { - const ptr = llhttp.llhttp_get_error_reason(this.ptr) - let message = '' - /* istanbul ignore else: difficult to make a test case for */ - if (ptr) { - const len = new Uint8Array(llhttp.memory.buffer, ptr).indexOf(0) - message = - 'Response does not match the HTTP/1.1 protocol (' + - Buffer.from(llhttp.memory.buffer, ptr, len).toString() + - ')' - } - throw new HTTPParserError(message, constants.ERROR[ret], data.slice(offset)) - } - } catch (err) { - util.destroy(socket, err) - } - } - - destroy () { - assert(this.ptr != null) - assert(currentParser == null) - - this.llhttp.llhttp_free(this.ptr) - this.ptr = null - - timers.clearTimeout(this.timeout) - this.timeout = null - this.timeoutValue = null - this.timeoutType = null - - this.paused = false - } - - onStatus (buf) { - this.statusText = buf.toString() - } - - onMessageBegin () { - const { socket, client } = this - - /* istanbul ignore next: difficult to make a test case for */ - if (socket.destroyed) { - return -1 - } - - const request = client[kQueue][client[kRunningIdx]] - if (!request) { - return -1 - } - } - - onHeaderField (buf) { - const len = this.headers.length - - if ((len & 1) === 0) { - this.headers.push(buf) - } else { - this.headers[len - 1] = Buffer.concat([this.headers[len - 1], buf]) - } - - this.trackHeader(buf.length) - } - - onHeaderValue (buf) { - let len = this.headers.length - - if ((len & 1) === 1) { - this.headers.push(buf) - len += 1 - } else { - this.headers[len - 1] = Buffer.concat([this.headers[len - 1], buf]) - } - - const key = this.headers[len - 2] - if (key.length === 10 && key.toString().toLowerCase() === 'keep-alive') { - this.keepAlive += buf.toString() - } else if (key.length === 10 && key.toString().toLowerCase() === 'connection') { - this.connection += buf.toString() - } else if (key.length === 14 && key.toString().toLowerCase() === 'content-length') { - this.contentLength += buf.toString() - } - - this.trackHeader(buf.length) - } - - trackHeader (len) { - this.headersSize += len - if (this.headersSize >= this.headersMaxSize) { - util.destroy(this.socket, new HeadersOverflowError()) - } - } - - onUpgrade (head) { - const { upgrade, client, socket, headers, statusCode } = this - - assert(upgrade) - - const request = client[kQueue][client[kRunningIdx]] - assert(request) - - assert(!socket.destroyed) - assert(socket === client[kSocket]) - assert(!this.paused) - assert(request.upgrade || request.method === 'CONNECT') - - this.statusCode = null - this.statusText = '' - this.shouldKeepAlive = null - - assert(this.headers.length % 2 === 0) - this.headers = [] - this.headersSize = 0 - - socket.unshift(head) - - socket[kParser].destroy() - socket[kParser] = null - - socket[kClient] = null - socket[kError] = null - socket - .removeListener('error', onSocketError) - .removeListener('readable', onSocketReadable) - .removeListener('end', onSocketEnd) - .removeListener('close', onSocketClose) - - client[kSocket] = null - client[kQueue][client[kRunningIdx]++] = null - client.emit('disconnect', client[kUrl], [client], new InformationalError('upgrade')) - - try { - request.onUpgrade(statusCode, headers, socket) - } catch (err) { - util.destroy(socket, err) - } - - resume(client) - } - - onHeadersComplete (statusCode, upgrade, shouldKeepAlive) { - const { client, socket, headers, statusText } = this - - /* istanbul ignore next: difficult to make a test case for */ - if (socket.destroyed) { - return -1 - } - - const request = client[kQueue][client[kRunningIdx]] - - /* istanbul ignore next: difficult to make a test case for */ - if (!request) { - return -1 - } - - assert(!this.upgrade) - assert(this.statusCode < 200) - - if (statusCode === 100) { - util.destroy(socket, new SocketError('bad response', util.getSocketInfo(socket))) - return -1 - } - - /* this can only happen if server is misbehaving */ - if (upgrade && !request.upgrade) { - util.destroy(socket, new SocketError('bad upgrade', util.getSocketInfo(socket))) - return -1 - } - - assert.strictEqual(this.timeoutType, TIMEOUT_HEADERS) - - this.statusCode = statusCode - this.shouldKeepAlive = ( - shouldKeepAlive || - // Override llhttp value which does not allow keepAlive for HEAD. - (request.method === 'HEAD' && !socket[kReset] && this.connection.toLowerCase() === 'keep-alive') - ) - - if (this.statusCode >= 200) { - const bodyTimeout = request.bodyTimeout != null - ? request.bodyTimeout - : client[kBodyTimeout] - this.setTimeout(bodyTimeout, TIMEOUT_BODY) - } else if (this.timeout) { - // istanbul ignore else: only for jest - if (this.timeout.refresh) { - this.timeout.refresh() - } - } - - if (request.method === 'CONNECT') { - assert(client[kRunning] === 1) - this.upgrade = true - return 2 - } - - if (upgrade) { - assert(client[kRunning] === 1) - this.upgrade = true - return 2 - } - - assert(this.headers.length % 2 === 0) - this.headers = [] - this.headersSize = 0 - - if (this.shouldKeepAlive && client[kPipelining]) { - const keepAliveTimeout = this.keepAlive ? util.parseKeepAliveTimeout(this.keepAlive) : null - - if (keepAliveTimeout != null) { - const timeout = Math.min( - keepAliveTimeout - client[kKeepAliveTimeoutThreshold], - client[kKeepAliveMaxTimeout] - ) - if (timeout <= 0) { - socket[kReset] = true - } else { - client[kKeepAliveTimeoutValue] = timeout - } - } else { - client[kKeepAliveTimeoutValue] = client[kKeepAliveDefaultTimeout] - } - } else { - // Stop more requests from being dispatched. - socket[kReset] = true - } - - let pause - try { - pause = request.onHeaders(statusCode, headers, this.resume, statusText) === false - } catch (err) { - util.destroy(socket, err) - return -1 - } - - if (request.method === 'HEAD') { - return 1 - } - - if (statusCode < 200) { - return 1 - } - - if (socket[kBlocking]) { - socket[kBlocking] = false - resume(client) - } - - return pause ? constants.ERROR.PAUSED : 0 - } - - onBody (buf) { - const { client, socket, statusCode, maxResponseSize } = this - - if (socket.destroyed) { - return -1 - } - - const request = client[kQueue][client[kRunningIdx]] - assert(request) - - assert.strictEqual(this.timeoutType, TIMEOUT_BODY) - if (this.timeout) { - // istanbul ignore else: only for jest - if (this.timeout.refresh) { - this.timeout.refresh() - } - } - - assert(statusCode >= 200) - - if (maxResponseSize > -1 && this.bytesRead + buf.length > maxResponseSize) { - util.destroy(socket, new ResponseExceededMaxSizeError()) - return -1 - } - - this.bytesRead += buf.length - - try { - if (request.onData(buf) === false) { - return constants.ERROR.PAUSED - } - } catch (err) { - util.destroy(socket, err) - return -1 - } - } - - onMessageComplete () { - const { client, socket, statusCode, upgrade, headers, contentLength, bytesRead, shouldKeepAlive } = this - - if (socket.destroyed && (!statusCode || shouldKeepAlive)) { - return -1 - } - - if (upgrade) { - return - } - - const request = client[kQueue][client[kRunningIdx]] - assert(request) - - assert(statusCode >= 100) - - this.statusCode = null - this.statusText = '' - this.bytesRead = 0 - this.contentLength = '' - this.keepAlive = '' - this.connection = '' - - assert(this.headers.length % 2 === 0) - this.headers = [] - this.headersSize = 0 - - if (statusCode < 200) { - return - } - - /* istanbul ignore next: should be handled by llhttp? */ - if (request.method !== 'HEAD' && contentLength && bytesRead !== parseInt(contentLength, 10)) { - util.destroy(socket, new ResponseContentLengthMismatchError()) - return -1 - } - - try { - request.onComplete(headers) - } catch (err) { - errorRequest(client, request, err) - } - - client[kQueue][client[kRunningIdx]++] = null - - if (socket[kWriting]) { - assert.strictEqual(client[kRunning], 0) - // Response completed before request. - util.destroy(socket, new InformationalError('reset')) - return constants.ERROR.PAUSED - } else if (!shouldKeepAlive) { - util.destroy(socket, new InformationalError('reset')) - return constants.ERROR.PAUSED - } else if (socket[kReset] && client[kRunning] === 0) { - // Destroy socket once all requests have completed. - // The request at the tail of the pipeline is the one - // that requested reset and no further requests should - // have been queued since then. - util.destroy(socket, new InformationalError('reset')) - return constants.ERROR.PAUSED - } else if (client[kPipelining] === 1) { - // We must wait a full event loop cycle to reuse this socket to make sure - // that non-spec compliant servers are not closing the connection even if they - // said they won't. - setImmediate(resume, client) - } else { - resume(client) - } - } -} - -function onParserTimeout (parser) { - const { socket, timeoutType, client } = parser - - /* istanbul ignore else */ - if (timeoutType === TIMEOUT_HEADERS) { - if (!socket[kWriting] || socket.writableNeedDrain || client[kRunning] > 1) { - assert(!parser.paused, 'cannot be paused while waiting for headers') - util.destroy(socket, new HeadersTimeoutError()) - } - } else if (timeoutType === TIMEOUT_BODY) { - if (!parser.paused) { - util.destroy(socket, new BodyTimeoutError()) - } - } else if (timeoutType === TIMEOUT_IDLE) { - assert(client[kRunning] === 0 && client[kKeepAliveTimeoutValue]) - util.destroy(socket, new InformationalError('socket idle timeout')) - } -} - -function onSocketReadable () { - const { [kParser]: parser } = this - if (parser) { - parser.readMore() - } -} - -function onSocketError (err) { - const { [kClient]: client, [kParser]: parser } = this - - assert(err.code !== 'ERR_TLS_CERT_ALTNAME_INVALID') - - if (client[kHTTPConnVersion] !== 'h2') { - // On Mac OS, we get an ECONNRESET even if there is a full body to be forwarded - // to the user. - if (err.code === 'ECONNRESET' && parser.statusCode && !parser.shouldKeepAlive) { - // We treat all incoming data so for as a valid response. - parser.onMessageComplete() - return - } - } - - this[kError] = err - - onError(this[kClient], err) -} - -function onError (client, err) { - if ( - client[kRunning] === 0 && - err.code !== 'UND_ERR_INFO' && - err.code !== 'UND_ERR_SOCKET' - ) { - // Error is not caused by running request and not a recoverable - // socket error. - - assert(client[kPendingIdx] === client[kRunningIdx]) - - const requests = client[kQueue].splice(client[kRunningIdx]) - for (let i = 0; i < requests.length; i++) { - const request = requests[i] - errorRequest(client, request, err) - } - assert(client[kSize] === 0) - } -} - -function onSocketEnd () { - const { [kParser]: parser, [kClient]: client } = this - - if (client[kHTTPConnVersion] !== 'h2') { - if (parser.statusCode && !parser.shouldKeepAlive) { - // We treat all incoming data so far as a valid response. - parser.onMessageComplete() - return - } - } - - util.destroy(this, new SocketError('other side closed', util.getSocketInfo(this))) -} - -function onSocketClose () { - const { [kClient]: client, [kParser]: parser } = this - - if (client[kHTTPConnVersion] === 'h1' && parser) { - if (!this[kError] && parser.statusCode && !parser.shouldKeepAlive) { - // We treat all incoming data so far as a valid response. - parser.onMessageComplete() - } - - this[kParser].destroy() - this[kParser] = null - } - - const err = this[kError] || new SocketError('closed', util.getSocketInfo(this)) - - client[kSocket] = null - - if (client.destroyed) { - assert(client[kPending] === 0) - - // Fail entire queue. - const requests = client[kQueue].splice(client[kRunningIdx]) - for (let i = 0; i < requests.length; i++) { - const request = requests[i] - errorRequest(client, request, err) - } - } else if (client[kRunning] > 0 && err.code !== 'UND_ERR_INFO') { - // Fail head of pipeline. - const request = client[kQueue][client[kRunningIdx]] - client[kQueue][client[kRunningIdx]++] = null - - errorRequest(client, request, err) - } - - client[kPendingIdx] = client[kRunningIdx] - - assert(client[kRunning] === 0) - - client.emit('disconnect', client[kUrl], [client], err) - - resume(client) -} - -async function connect (client) { - assert(!client[kConnecting]) - assert(!client[kSocket]) - - let { host, hostname, protocol, port } = client[kUrl] - - // Resolve ipv6 - if (hostname[0] === '[') { - const idx = hostname.indexOf(']') - - assert(idx !== -1) - const ip = hostname.substr(1, idx - 1) - - assert(net.isIP(ip)) - hostname = ip - } - - client[kConnecting] = true - - if (channels.beforeConnect.hasSubscribers) { - channels.beforeConnect.publish({ - connectParams: { - host, - hostname, - protocol, - port, - servername: client[kServerName], - localAddress: client[kLocalAddress] - }, - connector: client[kConnector] - }) - } - - try { - const socket = await new Promise((resolve, reject) => { - client[kConnector]({ - host, - hostname, - protocol, - port, - servername: client[kServerName], - localAddress: client[kLocalAddress] - }, (err, socket) => { - if (err) { - reject(err) - } else { - resolve(socket) - } - }) - }) - - if (client.destroyed) { - util.destroy(socket.on('error', () => {}), new ClientDestroyedError()) - return - } - - client[kConnecting] = false - - assert(socket) - - const isH2 = socket.alpnProtocol === 'h2' - if (isH2) { - if (!h2ExperimentalWarned) { - h2ExperimentalWarned = true - process.emitWarning('H2 support is experimental, expect them to change at any time.', { - code: 'UNDICI-H2' - }) - } - - const session = http2.connect(client[kUrl], { - createConnection: () => socket, - peerMaxConcurrentStreams: client[kHTTP2SessionState].maxConcurrentStreams - }) - - client[kHTTPConnVersion] = 'h2' - session[kClient] = client - session[kSocket] = socket - session.on('error', onHttp2SessionError) - session.on('frameError', onHttp2FrameError) - session.on('end', onHttp2SessionEnd) - session.on('goaway', onHTTP2GoAway) - session.on('close', onSocketClose) - session.unref() - - client[kHTTP2Session] = session - socket[kHTTP2Session] = session - } else { - if (!llhttpInstance) { - llhttpInstance = await llhttpPromise - llhttpPromise = null - } - - socket[kNoRef] = false - socket[kWriting] = false - socket[kReset] = false - socket[kBlocking] = false - socket[kParser] = new Parser(client, socket, llhttpInstance) - } - - socket[kCounter] = 0 - socket[kMaxRequests] = client[kMaxRequests] - socket[kClient] = client - socket[kError] = null - - socket - .on('error', onSocketError) - .on('readable', onSocketReadable) - .on('end', onSocketEnd) - .on('close', onSocketClose) - - client[kSocket] = socket - - if (channels.connected.hasSubscribers) { - channels.connected.publish({ - connectParams: { - host, - hostname, - protocol, - port, - servername: client[kServerName], - localAddress: client[kLocalAddress] - }, - connector: client[kConnector], - socket - }) - } - client.emit('connect', client[kUrl], [client]) - } catch (err) { - if (client.destroyed) { - return - } - - client[kConnecting] = false - - if (channels.connectError.hasSubscribers) { - channels.connectError.publish({ - connectParams: { - host, - hostname, - protocol, - port, - servername: client[kServerName], - localAddress: client[kLocalAddress] - }, - connector: client[kConnector], - error: err - }) - } - - if (err.code === 'ERR_TLS_CERT_ALTNAME_INVALID') { - assert(client[kRunning] === 0) - while (client[kPending] > 0 && client[kQueue][client[kPendingIdx]].servername === client[kServerName]) { - const request = client[kQueue][client[kPendingIdx]++] - errorRequest(client, request, err) - } - } else { - onError(client, err) - } - - client.emit('connectionError', client[kUrl], [client], err) - } - - resume(client) -} - -function emitDrain (client) { - client[kNeedDrain] = 0 - client.emit('drain', client[kUrl], [client]) -} - -function resume (client, sync) { - if (client[kResuming] === 2) { - return - } - - client[kResuming] = 2 - - _resume(client, sync) - client[kResuming] = 0 - - if (client[kRunningIdx] > 256) { - client[kQueue].splice(0, client[kRunningIdx]) - client[kPendingIdx] -= client[kRunningIdx] - client[kRunningIdx] = 0 - } -} - -function _resume (client, sync) { - while (true) { - if (client.destroyed) { - assert(client[kPending] === 0) - return - } - - if (client[kClosedResolve] && !client[kSize]) { - client[kClosedResolve]() - client[kClosedResolve] = null - return - } - - const socket = client[kSocket] - - if (socket && !socket.destroyed && socket.alpnProtocol !== 'h2') { - if (client[kSize] === 0) { - if (!socket[kNoRef] && socket.unref) { - socket.unref() - socket[kNoRef] = true - } - } else if (socket[kNoRef] && socket.ref) { - socket.ref() - socket[kNoRef] = false - } - - if (client[kSize] === 0) { - if (socket[kParser].timeoutType !== TIMEOUT_IDLE) { - socket[kParser].setTimeout(client[kKeepAliveTimeoutValue], TIMEOUT_IDLE) - } - } else if (client[kRunning] > 0 && socket[kParser].statusCode < 200) { - if (socket[kParser].timeoutType !== TIMEOUT_HEADERS) { - const request = client[kQueue][client[kRunningIdx]] - const headersTimeout = request.headersTimeout != null - ? request.headersTimeout - : client[kHeadersTimeout] - socket[kParser].setTimeout(headersTimeout, TIMEOUT_HEADERS) - } - } - } - - if (client[kBusy]) { - client[kNeedDrain] = 2 - } else if (client[kNeedDrain] === 2) { - if (sync) { - client[kNeedDrain] = 1 - process.nextTick(emitDrain, client) - } else { - emitDrain(client) - } - continue - } - - if (client[kPending] === 0) { - return - } - - if (client[kRunning] >= (client[kPipelining] || 1)) { - return - } - - const request = client[kQueue][client[kPendingIdx]] - - if (client[kUrl].protocol === 'https:' && client[kServerName] !== request.servername) { - if (client[kRunning] > 0) { - return - } - - client[kServerName] = request.servername - - if (socket && socket.servername !== request.servername) { - util.destroy(socket, new InformationalError('servername changed')) - return - } - } - - if (client[kConnecting]) { - return - } - - if (!socket && !client[kHTTP2Session]) { - connect(client) - return - } - - if (socket.destroyed || socket[kWriting] || socket[kReset] || socket[kBlocking]) { - return - } - - if (client[kRunning] > 0 && !request.idempotent) { - // Non-idempotent request cannot be retried. - // Ensure that no other requests are inflight and - // could cause failure. - return - } - - if (client[kRunning] > 0 && (request.upgrade || request.method === 'CONNECT')) { - // Don't dispatch an upgrade until all preceding requests have completed. - // A misbehaving server might upgrade the connection before all pipelined - // request has completed. - return - } - - if (util.isStream(request.body) && util.bodyLength(request.body) === 0) { - request.body - .on('data', /* istanbul ignore next */ function () { - /* istanbul ignore next */ - assert(false) - }) - .on('error', function (err) { - errorRequest(client, request, err) - }) - .on('end', function () { - util.destroy(this) - }) - - request.body = null - } - - if (client[kRunning] > 0 && - (util.isStream(request.body) || util.isAsyncIterable(request.body))) { - // Request with stream or iterator body can error while other requests - // are inflight and indirectly error those as well. - // Ensure this doesn't happen by waiting for inflight - // to complete before dispatching. - - // Request with stream or iterator body cannot be retried. - // Ensure that no other requests are inflight and - // could cause failure. - return - } - - if (!request.aborted && write(client, request)) { - client[kPendingIdx]++ - } else { - client[kQueue].splice(client[kPendingIdx], 1) - } - } -} - -function write (client, request) { - if (client[kHTTPConnVersion] === 'h2') { - writeH2(client, client[kHTTP2Session], request) - return - } - - const { body, method, path, host, upgrade, headers, blocking, reset } = request - - // https://tools.ietf.org/html/rfc7231#section-4.3.1 - // https://tools.ietf.org/html/rfc7231#section-4.3.2 - // https://tools.ietf.org/html/rfc7231#section-4.3.5 - - // Sending a payload body on a request that does not - // expect it can cause undefined behavior on some - // servers and corrupt connection state. Do not - // re-use the connection for further requests. - - const expectsPayload = ( - method === 'PUT' || - method === 'POST' || - method === 'PATCH' - ) - - if (body && typeof body.read === 'function') { - // Try to read EOF in order to get length. - body.read(0) - } - - let contentLength = util.bodyLength(body) - - if (contentLength === null) { - contentLength = request.contentLength - } - - if (contentLength === 0 && !expectsPayload) { - // https://tools.ietf.org/html/rfc7230#section-3.3.2 - // A user agent SHOULD NOT send a Content-Length header field when - // the request message does not contain a payload body and the method - // semantics do not anticipate such a body. - - contentLength = null - } - - if (request.contentLength !== null && request.contentLength !== contentLength) { - if (client[kStrictContentLength]) { - errorRequest(client, request, new RequestContentLengthMismatchError()) - return false - } - - process.emitWarning(new RequestContentLengthMismatchError()) - } - - const socket = client[kSocket] - - try { - request.onConnect((err) => { - if (request.aborted || request.completed) { - return - } - - errorRequest(client, request, err || new RequestAbortedError()) - - util.destroy(socket, new InformationalError('aborted')) - }) - } catch (err) { - errorRequest(client, request, err) - } - - if (request.aborted) { - return false - } - - if (method === 'HEAD') { - // https://github.com/mcollina/undici/issues/258 - // Close after a HEAD request to interop with misbehaving servers - // that may send a body in the response. - - socket[kReset] = true - } - - if (upgrade || method === 'CONNECT') { - // On CONNECT or upgrade, block pipeline from dispatching further - // requests on this connection. - - socket[kReset] = true - } - - if (reset != null) { - socket[kReset] = reset - } - - if (client[kMaxRequests] && socket[kCounter]++ >= client[kMaxRequests]) { - socket[kReset] = true - } - - if (blocking) { - socket[kBlocking] = true - } - - let header = `${method} ${path} HTTP/1.1\r\n` - - if (typeof host === 'string') { - header += `host: ${host}\r\n` - } else { - header += client[kHostHeader] - } - - if (upgrade) { - header += `connection: upgrade\r\nupgrade: ${upgrade}\r\n` - } else if (client[kPipelining] && !socket[kReset]) { - header += 'connection: keep-alive\r\n' - } else { - header += 'connection: close\r\n' - } - - if (headers) { - header += headers - } - - if (channels.sendHeaders.hasSubscribers) { - channels.sendHeaders.publish({ request, headers: header, socket }) - } - - /* istanbul ignore else: assertion */ - if (!body) { - if (contentLength === 0) { - socket.write(`${header}content-length: 0\r\n\r\n`, 'latin1') - } else { - assert(contentLength === null, 'no body must not have content length') - socket.write(`${header}\r\n`, 'latin1') - } - request.onRequestSent() - } else if (util.isBuffer(body)) { - assert(contentLength === body.byteLength, 'buffer body must have content length') - - socket.cork() - socket.write(`${header}content-length: ${contentLength}\r\n\r\n`, 'latin1') - socket.write(body) - socket.uncork() - request.onBodySent(body) - request.onRequestSent() - if (!expectsPayload) { - socket[kReset] = true - } - } else if (util.isBlobLike(body)) { - if (typeof body.stream === 'function') { - writeIterable({ body: body.stream(), client, request, socket, contentLength, header, expectsPayload }) - } else { - writeBlob({ body, client, request, socket, contentLength, header, expectsPayload }) - } - } else if (util.isStream(body)) { - writeStream({ body, client, request, socket, contentLength, header, expectsPayload }) - } else if (util.isIterable(body)) { - writeIterable({ body, client, request, socket, contentLength, header, expectsPayload }) - } else { - assert(false) - } - - return true -} - -function writeH2 (client, session, request) { - const { body, method, path, host, upgrade, expectContinue, signal, headers: reqHeaders } = request - - let headers - if (typeof reqHeaders === 'string') headers = Request[kHTTP2CopyHeaders](reqHeaders.trim()) - else headers = reqHeaders - - if (upgrade) { - errorRequest(client, request, new Error('Upgrade not supported for H2')) - return false - } - - try { - // TODO(HTTP/2): Should we call onConnect immediately or on stream ready event? - request.onConnect((err) => { - if (request.aborted || request.completed) { - return - } - - errorRequest(client, request, err || new RequestAbortedError()) - }) - } catch (err) { - errorRequest(client, request, err) - } - - if (request.aborted) { - return false - } - - let stream - const h2State = client[kHTTP2SessionState] - - headers[HTTP2_HEADER_AUTHORITY] = host || client[kHost] - headers[HTTP2_HEADER_METHOD] = method - - if (method === 'CONNECT') { - session.ref() - // we are already connected, streams are pending, first request - // will create a new stream. We trigger a request to create the stream and wait until - // `ready` event is triggered - // We disabled endStream to allow the user to write to the stream - stream = session.request(headers, { endStream: false, signal }) - - if (stream.id && !stream.pending) { - request.onUpgrade(null, null, stream) - ++h2State.openStreams - } else { - stream.once('ready', () => { - request.onUpgrade(null, null, stream) - ++h2State.openStreams - }) - } - - stream.once('close', () => { - h2State.openStreams -= 1 - // TODO(HTTP/2): unref only if current streams count is 0 - if (h2State.openStreams === 0) session.unref() - }) - - return true - } - - // https://tools.ietf.org/html/rfc7540#section-8.3 - // :path and :scheme headers must be omited when sending CONNECT - - headers[HTTP2_HEADER_PATH] = path - headers[HTTP2_HEADER_SCHEME] = 'https' - - // https://tools.ietf.org/html/rfc7231#section-4.3.1 - // https://tools.ietf.org/html/rfc7231#section-4.3.2 - // https://tools.ietf.org/html/rfc7231#section-4.3.5 - - // Sending a payload body on a request that does not - // expect it can cause undefined behavior on some - // servers and corrupt connection state. Do not - // re-use the connection for further requests. - - const expectsPayload = ( - method === 'PUT' || - method === 'POST' || - method === 'PATCH' - ) - - if (body && typeof body.read === 'function') { - // Try to read EOF in order to get length. - body.read(0) - } - - let contentLength = util.bodyLength(body) - - if (contentLength == null) { - contentLength = request.contentLength - } - - if (contentLength === 0 || !expectsPayload) { - // https://tools.ietf.org/html/rfc7230#section-3.3.2 - // A user agent SHOULD NOT send a Content-Length header field when - // the request message does not contain a payload body and the method - // semantics do not anticipate such a body. - - contentLength = null - } - - if (request.contentLength != null && request.contentLength !== contentLength) { - if (client[kStrictContentLength]) { - errorRequest(client, request, new RequestContentLengthMismatchError()) - return false - } - - process.emitWarning(new RequestContentLengthMismatchError()) - } - - if (contentLength != null) { - assert(body, 'no body must not have content length') - headers[HTTP2_HEADER_CONTENT_LENGTH] = `${contentLength}` - } - - session.ref() - - const shouldEndStream = method === 'GET' || method === 'HEAD' - if (expectContinue) { - headers[HTTP2_HEADER_EXPECT] = '100-continue' - /** - * @type {import('node:http2').ClientHttp2Stream} - */ - stream = session.request(headers, { endStream: shouldEndStream, signal }) - - stream.once('continue', writeBodyH2) - } else { - /** @type {import('node:http2').ClientHttp2Stream} */ - stream = session.request(headers, { - endStream: shouldEndStream, - signal - }) - writeBodyH2() - } - - // Increment counter as we have new several streams open - ++h2State.openStreams - - stream.once('response', headers => { - if (request.onHeaders(Number(headers[HTTP2_HEADER_STATUS]), headers, stream.resume.bind(stream), '') === false) { - stream.pause() - } - }) - - stream.once('end', () => { - request.onComplete([]) - }) - - stream.on('data', (chunk) => { - if (request.onData(chunk) === false) stream.pause() - }) - - stream.once('close', () => { - h2State.openStreams -= 1 - // TODO(HTTP/2): unref only if current streams count is 0 - if (h2State.openStreams === 0) session.unref() - }) - - stream.once('error', function (err) { - if (client[kHTTP2Session] && !client[kHTTP2Session].destroyed && !this.closed && !this.destroyed) { - h2State.streams -= 1 - util.destroy(stream, err) - } - }) - - stream.once('frameError', (type, code) => { - const err = new InformationalError(`HTTP/2: "frameError" received - type ${type}, code ${code}`) - errorRequest(client, request, err) - - if (client[kHTTP2Session] && !client[kHTTP2Session].destroyed && !this.closed && !this.destroyed) { - h2State.streams -= 1 - util.destroy(stream, err) - } - }) - - // stream.on('aborted', () => { - // // TODO(HTTP/2): Support aborted - // }) - - // stream.on('timeout', () => { - // // TODO(HTTP/2): Support timeout - // }) - - // stream.on('push', headers => { - // // TODO(HTTP/2): Suppor push - // }) - - // stream.on('trailers', headers => { - // // TODO(HTTP/2): Support trailers - // }) - - return true - - function writeBodyH2 () { - /* istanbul ignore else: assertion */ - if (!body) { - request.onRequestSent() - } else if (util.isBuffer(body)) { - assert(contentLength === body.byteLength, 'buffer body must have content length') - stream.cork() - stream.write(body) - stream.uncork() - stream.end() - request.onBodySent(body) - request.onRequestSent() - } else if (util.isBlobLike(body)) { - if (typeof body.stream === 'function') { - writeIterable({ - client, - request, - contentLength, - h2stream: stream, - expectsPayload, - body: body.stream(), - socket: client[kSocket], - header: '' - }) - } else { - writeBlob({ - body, - client, - request, - contentLength, - expectsPayload, - h2stream: stream, - header: '', - socket: client[kSocket] - }) - } - } else if (util.isStream(body)) { - writeStream({ - body, - client, - request, - contentLength, - expectsPayload, - socket: client[kSocket], - h2stream: stream, - header: '' - }) - } else if (util.isIterable(body)) { - writeIterable({ - body, - client, - request, - contentLength, - expectsPayload, - header: '', - h2stream: stream, - socket: client[kSocket] - }) - } else { - assert(false) - } - } -} - -function writeStream ({ h2stream, body, client, request, socket, contentLength, header, expectsPayload }) { - assert(contentLength !== 0 || client[kRunning] === 0, 'stream body cannot be pipelined') - - if (client[kHTTPConnVersion] === 'h2') { - // For HTTP/2, is enough to pipe the stream - const pipe = pipeline( - body, - h2stream, - (err) => { - if (err) { - util.destroy(body, err) - util.destroy(h2stream, err) - } else { - request.onRequestSent() - } - } - ) - - pipe.on('data', onPipeData) - pipe.once('end', () => { - pipe.removeListener('data', onPipeData) - util.destroy(pipe) - }) - - function onPipeData (chunk) { - request.onBodySent(chunk) - } - - return - } - - let finished = false - - const writer = new AsyncWriter({ socket, request, contentLength, client, expectsPayload, header }) - - const onData = function (chunk) { - if (finished) { - return - } - - try { - if (!writer.write(chunk) && this.pause) { - this.pause() - } - } catch (err) { - util.destroy(this, err) - } - } - const onDrain = function () { - if (finished) { - return - } - - if (body.resume) { - body.resume() - } - } - const onAbort = function () { - onFinished(new RequestAbortedError()) - } - const onFinished = function (err) { - if (finished) { - return - } - - finished = true - - assert(socket.destroyed || (socket[kWriting] && client[kRunning] <= 1)) - - socket - .off('drain', onDrain) - .off('error', onFinished) - - body - .removeListener('data', onData) - .removeListener('end', onFinished) - .removeListener('error', onFinished) - .removeListener('close', onAbort) - - if (!err) { - try { - writer.end() - } catch (er) { - err = er - } - } - - writer.destroy(err) - - if (err && (err.code !== 'UND_ERR_INFO' || err.message !== 'reset')) { - util.destroy(body, err) - } else { - util.destroy(body) - } - } - - body - .on('data', onData) - .on('end', onFinished) - .on('error', onFinished) - .on('close', onAbort) - - if (body.resume) { - body.resume() - } - - socket - .on('drain', onDrain) - .on('error', onFinished) -} - -async function writeBlob ({ h2stream, body, client, request, socket, contentLength, header, expectsPayload }) { - assert(contentLength === body.size, 'blob body must have content length') - - const isH2 = client[kHTTPConnVersion] === 'h2' - try { - if (contentLength != null && contentLength !== body.size) { - throw new RequestContentLengthMismatchError() - } - - const buffer = Buffer.from(await body.arrayBuffer()) - - if (isH2) { - h2stream.cork() - h2stream.write(buffer) - h2stream.uncork() - } else { - socket.cork() - socket.write(`${header}content-length: ${contentLength}\r\n\r\n`, 'latin1') - socket.write(buffer) - socket.uncork() - } - - request.onBodySent(buffer) - request.onRequestSent() - - if (!expectsPayload) { - socket[kReset] = true - } - - resume(client) - } catch (err) { - util.destroy(isH2 ? h2stream : socket, err) - } -} - -async function writeIterable ({ h2stream, body, client, request, socket, contentLength, header, expectsPayload }) { - assert(contentLength !== 0 || client[kRunning] === 0, 'iterator body cannot be pipelined') - - let callback = null - function onDrain () { - if (callback) { - const cb = callback - callback = null - cb() - } - } - - const waitForDrain = () => new Promise((resolve, reject) => { - assert(callback === null) - - if (socket[kError]) { - reject(socket[kError]) - } else { - callback = resolve - } - }) - - if (client[kHTTPConnVersion] === 'h2') { - h2stream - .on('close', onDrain) - .on('drain', onDrain) - - try { - // It's up to the user to somehow abort the async iterable. - for await (const chunk of body) { - if (socket[kError]) { - throw socket[kError] - } - - const res = h2stream.write(chunk) - request.onBodySent(chunk) - if (!res) { - await waitForDrain() - } - } - } catch (err) { - h2stream.destroy(err) - } finally { - request.onRequestSent() - h2stream.end() - h2stream - .off('close', onDrain) - .off('drain', onDrain) - } - - return - } - - socket - .on('close', onDrain) - .on('drain', onDrain) - - const writer = new AsyncWriter({ socket, request, contentLength, client, expectsPayload, header }) - try { - // It's up to the user to somehow abort the async iterable. - for await (const chunk of body) { - if (socket[kError]) { - throw socket[kError] - } - - if (!writer.write(chunk)) { - await waitForDrain() - } - } - - writer.end() - } catch (err) { - writer.destroy(err) - } finally { - socket - .off('close', onDrain) - .off('drain', onDrain) - } -} - -class AsyncWriter { - constructor ({ socket, request, contentLength, client, expectsPayload, header }) { - this.socket = socket - this.request = request - this.contentLength = contentLength - this.client = client - this.bytesWritten = 0 - this.expectsPayload = expectsPayload - this.header = header - - socket[kWriting] = true - } - - write (chunk) { - const { socket, request, contentLength, client, bytesWritten, expectsPayload, header } = this - - if (socket[kError]) { - throw socket[kError] - } - - if (socket.destroyed) { - return false - } - - const len = Buffer.byteLength(chunk) - if (!len) { - return true - } - - // We should defer writing chunks. - if (contentLength !== null && bytesWritten + len > contentLength) { - if (client[kStrictContentLength]) { - throw new RequestContentLengthMismatchError() - } - - process.emitWarning(new RequestContentLengthMismatchError()) - } - - socket.cork() - - if (bytesWritten === 0) { - if (!expectsPayload) { - socket[kReset] = true - } - - if (contentLength === null) { - socket.write(`${header}transfer-encoding: chunked\r\n`, 'latin1') - } else { - socket.write(`${header}content-length: ${contentLength}\r\n\r\n`, 'latin1') - } - } - - if (contentLength === null) { - socket.write(`\r\n${len.toString(16)}\r\n`, 'latin1') - } - - this.bytesWritten += len - - const ret = socket.write(chunk) - - socket.uncork() - - request.onBodySent(chunk) - - if (!ret) { - if (socket[kParser].timeout && socket[kParser].timeoutType === TIMEOUT_HEADERS) { - // istanbul ignore else: only for jest - if (socket[kParser].timeout.refresh) { - socket[kParser].timeout.refresh() - } - } - } - - return ret - } - - end () { - const { socket, contentLength, client, bytesWritten, expectsPayload, header, request } = this - request.onRequestSent() - - socket[kWriting] = false - - if (socket[kError]) { - throw socket[kError] - } - - if (socket.destroyed) { - return - } - - if (bytesWritten === 0) { - if (expectsPayload) { - // https://tools.ietf.org/html/rfc7230#section-3.3.2 - // A user agent SHOULD send a Content-Length in a request message when - // no Transfer-Encoding is sent and the request method defines a meaning - // for an enclosed payload body. - - socket.write(`${header}content-length: 0\r\n\r\n`, 'latin1') - } else { - socket.write(`${header}\r\n`, 'latin1') - } - } else if (contentLength === null) { - socket.write('\r\n0\r\n\r\n', 'latin1') - } - - if (contentLength !== null && bytesWritten !== contentLength) { - if (client[kStrictContentLength]) { - throw new RequestContentLengthMismatchError() - } else { - process.emitWarning(new RequestContentLengthMismatchError()) - } - } - - if (socket[kParser].timeout && socket[kParser].timeoutType === TIMEOUT_HEADERS) { - // istanbul ignore else: only for jest - if (socket[kParser].timeout.refresh) { - socket[kParser].timeout.refresh() - } - } - - resume(client) - } - - destroy (err) { - const { socket, client } = this - - socket[kWriting] = false - - if (err) { - assert(client[kRunning] <= 1, 'pipeline should only contain this request') - util.destroy(socket, err) - } - } -} - -function errorRequest (client, request, err) { - try { - request.onError(err) - assert(request.aborted) - } catch (err) { - client.emit('error', err) - } -} - -module.exports = Client |