securityos/node_modules/next/dist/esm/server/lib/start-server.js

222 lines
9.1 KiB
JavaScript

if (performance.getEntriesByName("next-start").length === 0) {
performance.mark("next-start");
}
import "../next";
import "../node-polyfill-fetch";
import "../require-hook";
import fs from "fs";
import path from "path";
import http from "http";
import https from "https";
import Watchpack from "watchpack";
import * as Log from "../../build/output/log";
import setupDebug from "next/dist/compiled/debug";
import { RESTART_EXIT_CODE, getDebugPort } from "./utils";
import { formatHostname } from "./format-hostname";
import { initialize } from "./router-server";
import { checkIsNodeDebugging } from "./is-node-debugging";
import { CONFIG_FILES } from "../../shared/lib/constants";
import { bold, purple } from "../../lib/picocolors";
const debug = setupDebug("next:start-server");
export async function getRequestHandlers({ dir, port, isDev, server, hostname, minimalMode, isNodeDebugging, keepAliveTimeout, experimentalTestProxy, experimentalHttpsServer }) {
return initialize({
dir,
port,
hostname,
dev: isDev,
minimalMode,
server,
isNodeDebugging: isNodeDebugging || false,
keepAliveTimeout,
experimentalTestProxy,
experimentalHttpsServer
});
}
function logStartInfo({ networkUrl, appUrl, hostname, envInfo, expFeatureInfo, formatDurationText }) {
Log.bootstrap(bold(purple(`${Log.prefixes.ready} Next.js ${"13.5.6"}`)));
Log.bootstrap(`- Local: ${appUrl}`);
if (hostname) {
Log.bootstrap(`- Network: ${networkUrl}`);
}
if (envInfo == null ? void 0 : envInfo.length) Log.bootstrap(`- Environments: ${envInfo.join(", ")}`);
if (expFeatureInfo == null ? void 0 : expFeatureInfo.length) {
Log.bootstrap(`- Experiments (use at your own risk):`);
// only show maximum 3 flags
for (const exp of expFeatureInfo.slice(0, 3)){
Log.bootstrap(` · ${exp}`);
}
/* ${expFeatureInfo.length - 3} more */ if (expFeatureInfo.length > 3) {
Log.bootstrap(` · ...`);
}
}
// New line after the bootstrap info
Log.info("");
Log.event(`Ready in ${formatDurationText}`);
}
export async function startServer({ dir, port, isDev, hostname, minimalMode, allowRetry, keepAliveTimeout, isExperimentalTestProxy, selfSignedCertificate, envInfo, expFeatureInfo }) {
let handlersReady = ()=>{};
let handlersError = ()=>{};
let handlersPromise = new Promise((resolve, reject)=>{
handlersReady = resolve;
handlersError = reject;
});
let requestHandler = async (req, res)=>{
if (handlersPromise) {
await handlersPromise;
return requestHandler(req, res);
}
throw new Error("Invariant request handler was not setup");
};
let upgradeHandler = async (req, socket, head)=>{
if (handlersPromise) {
await handlersPromise;
return upgradeHandler(req, socket, head);
}
throw new Error("Invariant upgrade handler was not setup");
};
// setup server listener as fast as possible
if (selfSignedCertificate && !isDev) {
throw new Error("Using a self signed certificate is only supported with `next dev`.");
}
async function requestListener(req, res) {
try {
if (handlersPromise) {
await handlersPromise;
handlersPromise = undefined;
}
await requestHandler(req, res);
} catch (err) {
res.statusCode = 500;
res.end("Internal Server Error");
Log.error(`Failed to handle request for ${req.url}`);
console.error(err);
}
}
const server = selfSignedCertificate ? https.createServer({
key: fs.readFileSync(selfSignedCertificate.key),
cert: fs.readFileSync(selfSignedCertificate.cert)
}, requestListener) : http.createServer(requestListener);
if (keepAliveTimeout) {
server.keepAliveTimeout = keepAliveTimeout;
}
server.on("upgrade", async (req, socket, head)=>{
try {
await upgradeHandler(req, socket, head);
} catch (err) {
socket.destroy();
Log.error(`Failed to handle request for ${req.url}`);
console.error(err);
}
});
let portRetryCount = 0;
server.on("error", (err)=>{
if (allowRetry && port && isDev && err.code === "EADDRINUSE" && portRetryCount < 10) {
Log.warn(`Port ${port} is in use, trying ${port + 1} instead.`);
port += 1;
portRetryCount += 1;
server.listen(port, hostname);
} else {
Log.error(`Failed to start server`);
console.error(err);
process.exit(1);
}
});
const isNodeDebugging = checkIsNodeDebugging();
await new Promise((resolve)=>{
server.on("listening", async ()=>{
const addr = server.address();
const actualHostname = formatHostname(typeof addr === "object" ? (addr == null ? void 0 : addr.address) || hostname || "localhost" : addr);
const formattedHostname = !hostname || actualHostname === "0.0.0.0" ? "localhost" : actualHostname === "[::]" ? "[::1]" : formatHostname(hostname);
port = typeof addr === "object" ? (addr == null ? void 0 : addr.port) || port : port;
const networkUrl = `http://${actualHostname}:${port}`;
const appUrl = `${selfSignedCertificate ? "https" : "http"}://${formattedHostname}:${port}`;
if (isNodeDebugging) {
const debugPort = getDebugPort();
Log.info(`the --inspect${isNodeDebugging === "brk" ? "-brk" : ""} option was detected, the Next.js router server should be inspected at port ${debugPort}.`);
}
// expose the main port to render workers
process.env.PORT = port + "";
try {
const cleanup = (code)=>{
debug("start-server process cleanup");
server.close();
process.exit(code ?? 0);
};
const exception = (err)=>{
// This is the render worker, we keep the process alive
console.error(err);
};
process.on("exit", (code)=>cleanup(code));
// callback value is signal string, exit with 0
process.on("SIGINT", ()=>cleanup(0));
process.on("SIGTERM", ()=>cleanup(0));
process.on("uncaughtException", exception);
process.on("unhandledRejection", exception);
const initResult = await getRequestHandlers({
dir,
port,
isDev,
server,
hostname,
minimalMode,
isNodeDebugging: Boolean(isNodeDebugging),
keepAliveTimeout,
experimentalTestProxy: !!isExperimentalTestProxy,
experimentalHttpsServer: !!selfSignedCertificate
});
requestHandler = initResult[0];
upgradeHandler = initResult[1];
const startServerProcessDuration = performance.mark("next-start-end") && performance.measure("next-start-duration", "next-start", "next-start-end").duration;
const formatDurationText = startServerProcessDuration > 2000 ? `${Math.round(startServerProcessDuration / 100) / 10}s` : `${Math.round(startServerProcessDuration)}ms`;
handlersReady();
logStartInfo({
networkUrl,
appUrl,
hostname,
envInfo,
expFeatureInfo,
formatDurationText
});
} catch (err) {
// fatal error if we can't setup
handlersError();
console.error(err);
process.exit(1);
}
resolve();
});
server.listen(port, hostname);
});
if (isDev) {
function watchConfigFiles(dirToWatch, onChange) {
const wp = new Watchpack();
wp.watch({
files: CONFIG_FILES.map((file)=>path.join(dirToWatch, file))
});
wp.on("change", onChange);
}
watchConfigFiles(dir, async (filename)=>{
if (process.env.__NEXT_DISABLE_MEMORY_WATCHER) {
Log.info(`Detected change, manual restart required due to '__NEXT_DISABLE_MEMORY_WATCHER' usage`);
return;
}
Log.warn(`Found a change in ${path.basename(filename)}. Restarting the server to apply the changes...`);
process.exit(RESTART_EXIT_CODE);
});
}
}
if (process.env.NEXT_PRIVATE_WORKER && process.send) {
process.addListener("message", async (msg)=>{
if (msg && typeof msg && msg.nextWorkerOptions && process.send) {
await startServer(msg.nextWorkerOptions);
process.send({
nextServerReady: true
});
}
});
process.send({
nextWorkerReady: true
});
}
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