79 lines
2.1 KiB
TypeScript
79 lines
2.1 KiB
TypeScript
import { logger } from "@coder/logger"
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import compression from "compression"
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import express, { Express } from "express"
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import { promises as fs } from "fs"
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import http from "http"
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import * as httpolyglot from "httpolyglot"
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import * as util from "../common/util"
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import { DefaultedArgs } from "./cli"
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import { handleUpgrade } from "./wsRouter"
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/**
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* Create an Express app and an HTTP/S server to serve it.
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*/
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export const createApp = async (args: DefaultedArgs): Promise<[Express, Express, http.Server]> => {
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const app = express()
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app.use(compression())
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const server = args.cert
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? httpolyglot.createServer(
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{
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cert: args.cert && (await fs.readFile(args.cert.value)),
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key: args["cert-key"] && (await fs.readFile(args["cert-key"])),
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},
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app,
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)
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: http.createServer(app)
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let resolved = false
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await new Promise<void>(async (resolve2, reject) => {
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const resolve = () => {
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resolved = true
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resolve2()
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}
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server.on("error", (err) => {
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if (!resolved) {
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reject(err)
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} else {
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// Promise resolved earlier so this is an unrelated error.
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util.logError(logger, "http server error", err)
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}
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})
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if (args.socket) {
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try {
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await fs.unlink(args.socket)
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} catch (error) {
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if (error.code !== "ENOENT") {
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logger.error(error.message)
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}
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}
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server.listen(args.socket, resolve)
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} else {
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// [] is the correct format when using :: but Node errors with them.
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server.listen(args.port, args.host.replace(/^\[|\]$/g, ""), resolve)
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}
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})
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const wsApp = express()
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handleUpgrade(wsApp, server)
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return [app, wsApp, server]
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}
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/**
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* Get the address of a server as a string (protocol *is* included) while
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* ensuring there is one (will throw if there isn't).
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*/
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export const ensureAddress = (server: http.Server): string => {
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const addr = server.address()
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if (!addr) {
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throw new Error("server has no address") // NOTE@jsjoeio test this line
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}
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if (typeof addr !== "string") {
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return `http://${addr.address}:${addr.port}`
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}
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return addr // NOTE@jsjoeio test this line
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}
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