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6461x 6461x 6461x 6461x 6461x 6461x 6461x 14x 14x 14x 14x 14x 14x 14x 14x 6462x 5245x 6462x 6462x 6462x 6462x 6462x 5245x 6459x 6459x 5x 5x 5x 5x 6459x 5245x 6462x 6462x 6462x 6462x 54x 54x 54x 54x 54x 54x 54x 6462x 5245x 5245x 5245x 5245x 5245x 5245x 5245x 5245x 5245x 5245x 5245x 5245x 5245x 5245x 5245x 5245x 5245x 5245x 5245x 5245x 5245x 5245x | 'use strict'; const { NumberParseInt, ObjectDefineProperties, ObjectDefineProperty, ObjectGetOwnPropertyDescriptor, SafeMap, SafeWeakMap, StringPrototypeStartsWith, globalThis, } = primordials; const { getOptionValue, getEmbedderOptions, refreshOptions, } = require('internal/options'); const { reconnectZeroFillToggle } = require('internal/buffer'); const { defineOperation, emitExperimentalWarning, exposeInterface, } = require('internal/util'); const { ERR_MANIFEST_ASSERT_INTEGRITY, } = require('internal/errors').codes; const assert = require('internal/assert'); function prepareMainThreadExecution(expandArgv1 = false, initialzeModules = true) { refreshRuntimeOptions(); // TODO(joyeecheung): this is also necessary for workers when they deserialize // this toggle from the snapshot. reconnectZeroFillToggle(); // Patch the process object with legacy properties and normalizations patchProcessObject(expandArgv1); setupTraceCategoryState(); setupPerfHooks(); setupInspectorHooks(); setupWarningHandler(); setupFetch(); setupWebCrypto(); // Resolve the coverage directory to an absolute path, and // overwrite process.env so that the original path gets passed // to child processes even when they switch cwd. if (process.env.NODE_V8_COVERAGE) { process.env.NODE_V8_COVERAGE = setupCoverageHooks(process.env.NODE_V8_COVERAGE); } setupDebugEnv(); // Print stack trace on `SIGINT` if option `--trace-sigint` presents. setupStacktracePrinterOnSigint(); // Process initial diagnostic reporting configuration, if present. initializeReport(); initializeReportSignalHandlers(); // Main-thread-only. initializeHeapSnapshotSignalHandlers(); // If the process is spawned with env NODE_CHANNEL_FD, it's probably // spawned by our child_process module, then initialize IPC. // This attaches some internal event listeners and creates: // process.send(), process.channel, process.connected, // process.disconnect(). setupChildProcessIpcChannel(); // Load policy from disk and parse it. initializePolicy(); // If this is a worker in cluster mode, start up the communication // channel. This needs to be done before any user code gets executed // (including preload modules). initializeClusterIPC(); initializeSourceMapsHandlers(); initializeDeprecations(); initializeWASI(); require('internal/v8/startup_snapshot').runDeserializeCallbacks(); if (!initialzeModules) { return; } initializeCJSLoader(); initializeESMLoader(); const CJSLoader = require('internal/modules/cjs/loader'); assert(!CJSLoader.hasLoadedAnyUserCJSModule); loadPreloadModules(); initializeFrozenIntrinsics(); } function refreshRuntimeOptions() { refreshOptions(); } function patchProcessObject(expandArgv1) { const binding = internalBinding('process_methods'); binding.patchProcessObject(process); require('internal/process/per_thread').refreshHrtimeBuffer(); ObjectDefineProperty(process, 'argv0', { __proto__: null, enumerable: true, // Only set it to true during snapshot building. configurable: getOptionValue('--build-snapshot'), value: process.argv[0] }); process.exitCode = undefined; process._exiting = false; process.argv[0] = process.execPath; if (expandArgv1 && process.argv[1] && !StringPrototypeStartsWith(process.argv[1], '-')) { // Expand process.argv[1] into a full path. const path = require('path'); try { process.argv[1] = path.resolve(process.argv[1]); } catch { // Continue regardless of error. } } // We need to initialize the global console here again with process.stdout // and friends for snapshot deserialization. const globalConsole = require('internal/console/global'); const { initializeGlobalConsole } = require('internal/console/constructor'); initializeGlobalConsole(globalConsole); // TODO(joyeecheung): most of these should be deprecated and removed, // except some that we need to be able to mutate during run time. addReadOnlyProcessAlias('_eval', '--eval'); addReadOnlyProcessAlias('_print_eval', '--print'); addReadOnlyProcessAlias('_syntax_check_only', '--check'); addReadOnlyProcessAlias('_forceRepl', '--interactive'); addReadOnlyProcessAlias('_preload_modules', '--require'); addReadOnlyProcessAlias('noDeprecation', '--no-deprecation'); addReadOnlyProcessAlias('noProcessWarnings', '--no-warnings'); addReadOnlyProcessAlias('traceProcessWarnings', '--trace-warnings'); addReadOnlyProcessAlias('throwDeprecation', '--throw-deprecation'); addReadOnlyProcessAlias('profProcess', '--prof-process'); addReadOnlyProcessAlias('traceDeprecation', '--trace-deprecation'); addReadOnlyProcessAlias('_breakFirstLine', '--inspect-brk', false); addReadOnlyProcessAlias('_breakNodeFirstLine', '--inspect-brk-node', false); } function addReadOnlyProcessAlias(name, option, enumerable = true) { const value = getOptionValue(option); if (value) { ObjectDefineProperty(process, name, { __proto__: null, writable: false, configurable: true, enumerable, value }); } } function setupWarningHandler() { const { onWarning } = require('internal/process/warning'); if (getOptionValue('--warnings') && process.env.NODE_NO_WARNINGS !== '1') { process.on('warning', onWarning); } } // https://fetch.spec.whatwg.org/ function setupFetch() { if (process.config.variables.node_no_browser_globals || getOptionValue('--no-experimental-fetch')) { return; } let undici; function lazyUndici() { if (undici) { return undici; } undici = require('internal/deps/undici/undici'); return undici; } async function fetch(input, init = undefined) { emitExperimentalWarning('The Fetch API'); return lazyUndici().fetch(input, init); } defineOperation(globalThis, 'fetch', fetch); function lazyInterface(name) { return { configurable: true, enumerable: false, get() { return lazyUndici()[name]; }, set(value) { exposeInterface(globalThis, name, value); } }; } ObjectDefineProperties(globalThis, { FormData: lazyInterface('FormData'), Headers: lazyInterface('Headers'), Request: lazyInterface('Request'), Response: lazyInterface('Response'), }); // The WebAssembly Web API: https://webassembly.github.io/spec/web-api const { wasmStreamingCallback } = require('internal/wasm_web_api'); internalBinding('wasm_web_api').setImplementation(wasmStreamingCallback); } // TODO(aduh95): move this to internal/bootstrap/browser when the CLI flag is // removed. function setupWebCrypto() { if (process.config.variables.node_no_browser_globals || !getOptionValue('--experimental-global-webcrypto')) { return; } let webcrypto; ObjectDefineProperty(globalThis, 'crypto', { __proto__: null, ...ObjectGetOwnPropertyDescriptor({ get crypto() { webcrypto ??= require('internal/crypto/webcrypto'); return webcrypto.crypto; } }, 'crypto') }); if (internalBinding('config').hasOpenSSL) { webcrypto ??= require('internal/crypto/webcrypto'); exposeInterface(globalThis, 'Crypto', webcrypto.Crypto); exposeInterface(globalThis, 'CryptoKey', webcrypto.CryptoKey); exposeInterface(globalThis, 'SubtleCrypto', webcrypto.SubtleCrypto); } } // Setup User-facing NODE_V8_COVERAGE environment variable that writes // ScriptCoverage to a specified file. function setupCoverageHooks(dir) { const cwd = require('internal/process/execution').tryGetCwd(); const { resolve } = require('path'); const coverageDirectory = resolve(cwd, dir); const { sourceMapCacheToObject } = require('internal/source_map/source_map_cache'); if (process.features.inspector) { internalBinding('profiler').setCoverageDirectory(coverageDirectory); internalBinding('profiler').setSourceMapCacheGetter(sourceMapCacheToObject); } else { process.emitWarning('The inspector is disabled, ' + 'coverage could not be collected', 'Warning'); return ''; } return coverageDirectory; } function setupStacktracePrinterOnSigint() { if (!getOptionValue('--trace-sigint')) { return; } const { SigintWatchdog } = require('internal/watchdog'); const watchdog = new SigintWatchdog(); watchdog.start(); } function initializeReport() { const { report } = require('internal/process/report'); ObjectDefineProperty(process, 'report', { __proto__: null, enumerable: true, configurable: true, get() { return report; } }); } function setupDebugEnv() { require('internal/util/debuglog').initializeDebugEnv(process.env.NODE_DEBUG); if (getOptionValue('--expose-internals')) { require('internal/bootstrap/loaders').NativeModule.exposeInternals(); } } // This has to be called after initializeReport() is called function initializeReportSignalHandlers() { const { addSignalHandler } = require('internal/process/report'); addSignalHandler(); } function initializeHeapSnapshotSignalHandlers() { const signal = getOptionValue('--heapsnapshot-signal'); if (!signal) return; require('internal/validators').validateSignalName(signal); const { writeHeapSnapshot } = require('v8'); process.on(signal, () => { writeHeapSnapshot(); }); } function setupTraceCategoryState() { const { isTraceCategoryEnabled } = internalBinding('trace_events'); const { toggleTraceCategoryState } = require('internal/process/per_thread'); toggleTraceCategoryState(isTraceCategoryEnabled('node.async_hooks')); } function setupPerfHooks() { require('internal/perf/performance').refreshTimeOrigin(); require('internal/perf/utils').refreshTimeOrigin(); } function setupInspectorHooks() { // If Debugger.setAsyncCallStackDepth is sent during bootstrap, // we cannot immediately call into JS to enable the hooks, which could // interrupt the JS execution of bootstrap. So instead we save the // notification in the inspector agent if it's sent in the middle of // bootstrap, and process the notification later here. if (internalBinding('config').hasInspector) { const { enable, disable } = require('internal/inspector_async_hook'); internalBinding('inspector').registerAsyncHook(enable, disable); } } // In general deprecations are initialized wherever the APIs are implemented, // this is used to deprecate APIs implemented in C++ where the deprecation // utilities are not easily accessible. function initializeDeprecations() { const { deprecate } = require('internal/util'); const pendingDeprecation = getOptionValue('--pending-deprecation'); // DEP0103: access to `process.binding('util').isX` type checkers // TODO(addaleax): Turn into a full runtime deprecation. const utilBinding = internalBinding('util'); const types = require('internal/util/types'); for (const name of [ 'isArrayBuffer', 'isArrayBufferView', 'isAsyncFunction', 'isDataView', 'isDate', 'isExternal', 'isMap', 'isMapIterator', 'isNativeError', 'isPromise', 'isRegExp', 'isSet', 'isSetIterator', 'isTypedArray', 'isUint8Array', 'isAnyArrayBuffer', ]) { utilBinding[name] = pendingDeprecation ? deprecate(types[name], 'Accessing native typechecking bindings of Node ' + 'directly is deprecated. ' + `Please use \`util.types.${name}\` instead.`, 'DEP0103') : types[name]; } // TODO(joyeecheung): this is a legacy property exposed to process. // Now that we use the config binding to carry this information, remove // it from the process. We may consider exposing it properly in // process.features. const { noBrowserGlobals } = internalBinding('config'); if (noBrowserGlobals) { ObjectDefineProperty(process, '_noBrowserGlobals', { __proto__: null, writable: false, enumerable: true, configurable: true, value: noBrowserGlobals }); } if (pendingDeprecation) { process.binding = deprecate(process.binding, 'process.binding() is deprecated. ' + 'Please use public APIs instead.', 'DEP0111'); process._tickCallback = deprecate(process._tickCallback, 'process._tickCallback() is deprecated', 'DEP0134'); } } function setupChildProcessIpcChannel() { if (process.env.NODE_CHANNEL_FD) { const assert = require('internal/assert'); const fd = NumberParseInt(process.env.NODE_CHANNEL_FD, 10); assert(fd >= 0); // Make sure it's not accidentally inherited by child processes. delete process.env.NODE_CHANNEL_FD; const serializationMode = process.env.NODE_CHANNEL_SERIALIZATION_MODE || 'json'; delete process.env.NODE_CHANNEL_SERIALIZATION_MODE; require('child_process')._forkChild(fd, serializationMode); assert(process.send); } } function initializeClusterIPC() { if (process.argv[1] && process.env.NODE_UNIQUE_ID) { const cluster = require('cluster'); cluster._setupWorker(); // Make sure it's not accidentally inherited by child processes. delete process.env.NODE_UNIQUE_ID; } } function initializePolicy() { const experimentalPolicy = getOptionValue('--experimental-policy'); if (experimentalPolicy) { process.emitWarning('Policies are experimental.', 'ExperimentalWarning'); const { pathToFileURL, URL } = require('internal/url'); // URL here as it is slightly different parsing // no bare specifiers for now let manifestURL; if (require('path').isAbsolute(experimentalPolicy)) { manifestURL = new URL(`file://${experimentalPolicy}`); } else { const cwdURL = pathToFileURL(process.cwd()); cwdURL.pathname += '/'; manifestURL = new URL(experimentalPolicy, cwdURL); } const fs = require('fs'); const src = fs.readFileSync(manifestURL, 'utf8'); const experimentalPolicyIntegrity = getOptionValue('--policy-integrity'); if (experimentalPolicyIntegrity) { const SRI = require('internal/policy/sri'); const { createHash, timingSafeEqual } = require('crypto'); const realIntegrities = new SafeMap(); const integrityEntries = SRI.parse(experimentalPolicyIntegrity); let foundMatch = false; for (let i = 0; i < integrityEntries.length; i++) { const { algorithm, value: expected } = integrityEntries[i]; const hash = createHash(algorithm); hash.update(src); const digest = hash.digest(); if (digest.length === expected.length && timingSafeEqual(digest, expected)) { foundMatch = true; break; } realIntegrities.set(algorithm, digest.toString('base64')); } if (!foundMatch) { throw new ERR_MANIFEST_ASSERT_INTEGRITY(manifestURL, realIntegrities); } } require('internal/process/policy') .setup(src, manifestURL.href); } } function initializeWASI() { const { NativeModule } = require('internal/bootstrap/loaders'); const mod = NativeModule.map.get('wasi'); mod.canBeRequiredByUsers = getOptionValue('--experimental-wasi-unstable-preview1'); } function initializeCJSLoader() { const CJSLoader = require('internal/modules/cjs/loader'); if (!getEmbedderOptions().noGlobalSearchPaths) { CJSLoader.Module._initPaths(); } // TODO(joyeecheung): deprecate this in favor of a proper hook? CJSLoader.Module.runMain = require('internal/modules/run_main').executeUserEntryPoint; } function initializeESMLoader() { // Create this WeakMap in js-land because V8 has no C++ API for WeakMap. internalBinding('module_wrap').callbackMap = new SafeWeakMap(); if (getEmbedderOptions().shouldNotRegisterESMLoader) return; const { setImportModuleDynamicallyCallback, setInitializeImportMetaObjectCallback } = internalBinding('module_wrap'); const esm = require('internal/process/esm_loader'); // Setup per-isolate callbacks that locate data or callbacks that we keep // track of for different ESM modules. setInitializeImportMetaObjectCallback(esm.initializeImportMetaObject); setImportModuleDynamicallyCallback(esm.importModuleDynamicallyCallback); // Patch the vm module when --experimental-vm-modules is on. // Please update the comments in vm.js when this block changes. if (getOptionValue('--experimental-vm-modules')) { const { Module, SourceTextModule, SyntheticModule, } = require('internal/vm/module'); const vm = require('vm'); vm.Module = Module; vm.SourceTextModule = SourceTextModule; vm.SyntheticModule = SyntheticModule; } } function initializeSourceMapsHandlers() { const { setSourceMapsEnabled } = require('internal/source_map/source_map_cache'); process.setSourceMapsEnabled = setSourceMapsEnabled; } function initializeFrozenIntrinsics() { if (getOptionValue('--frozen-intrinsics')) { process.emitWarning('The --frozen-intrinsics flag is experimental', 'ExperimentalWarning'); require('internal/freeze_intrinsics')(); } } function loadPreloadModules() { // For user code, we preload modules if `-r` is passed const preloadModules = getOptionValue('--require'); if (preloadModules && preloadModules.length > 0) { const { Module: { _preloadModules }, } = require('internal/modules/cjs/loader'); _preloadModules(preloadModules); } } module.exports = { refreshRuntimeOptions, patchProcessObject, setupCoverageHooks, setupWarningHandler, setupFetch, setupWebCrypto, setupDebugEnv, setupPerfHooks, prepareMainThreadExecution, initializeDeprecations, initializeESMLoader, initializeFrozenIntrinsics, initializeSourceMapsHandlers, loadPreloadModules, setupTraceCategoryState, setupInspectorHooks, initializeReport, initializeCJSLoader, initializeWASI }; |