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import { field, logger } from "@coder/logger"
import * as cp from "child_process"
import { promises as fs } from "fs"
import http from "http"
import * as path from "path"
import { CliMessage, OpenCommandPipeArgs } from "../../lib/vscode/src/vs/server/ipc"
import { plural } from "../common/util"
import { HealthHttpProvider } from "./app/health"
import { LoginHttpProvider } from "./app/login"
import { ProxyHttpProvider } from "./app/proxy"
import { StaticHttpProvider } from "./app/static"
import { UpdateHttpProvider } from "./app/update"
import { VscodeHttpProvider } from "./app/vscode"
import {
Args,
bindAddrFromAllSources,
optionDescriptions,
parse,
readConfigFile,
setDefaults,
shouldOpenInExistingInstance,
shouldRunVsCodeCli,
} from "./cli"
import { coderCloudBind } from "./coder-cloud"
import { AuthType, HttpServer, HttpServerOptions } from "./http"
import { loadPlugins } from "./plugin"
import { generateCertificate, hash, humanPath, open } from "./util"
import { ipcMain, WrapperProcess } from "./wrapper"
let pkg: { version?: string; commit?: string } = {}
try {
pkg = require("../../package.json")
} catch (error) {
logger.warn(error.message)
}
const version = pkg.version || "development"
const commit = pkg.commit || "development"
export const runVsCodeCli = (args: Args): void => {
logger.debug("forking vs code cli...")
const vscode = cp.fork(path.resolve(__dirname, "../../lib/vscode/out/vs/server/fork"), [], {
env: {
...process.env,
CODE_SERVER_PARENT_PID: process.pid.toString(),
},
})
vscode.once("message", (message: any) => {
logger.debug("got message from VS Code", field("message", message))
if (message.type !== "ready") {
logger.error("Unexpected response waiting for ready response", field("type", message.type))
process.exit(1)
}
const send: CliMessage = { type: "cli", args }
vscode.send(send)
})
vscode.once("error", (error) => {
logger.error("Got error from VS Code", field("error", error))
process.exit(1)
})
vscode.on("exit", (code) => process.exit(code || 0))
}
export const openInExistingInstance = async (args: Args, socketPath: string): Promise<void> => {
const pipeArgs: OpenCommandPipeArgs & { fileURIs: string[] } = {
type: "open",
folderURIs: [],
fileURIs: [],
forceReuseWindow: args["reuse-window"],
forceNewWindow: args["new-window"],
}
const isDir = async (path: string): Promise<boolean> => {
try {
const st = await fs.stat(path)
return st.isDirectory()
} catch (error) {
return false
}
}
for (let i = 0; i < args._.length; i++) {
const fp = path.resolve(args._[i])
if (await isDir(fp)) {
pipeArgs.folderURIs.push(fp)
} else {
pipeArgs.fileURIs.push(fp)
}
}
if (pipeArgs.forceNewWindow && pipeArgs.fileURIs.length > 0) {
logger.error("--new-window can only be used with folder paths")
process.exit(1)
}
if (pipeArgs.folderURIs.length === 0 && pipeArgs.fileURIs.length === 0) {
logger.error("Please specify at least one file or folder")
process.exit(1)
}
const vscode = http.request(
{
path: "/",
method: "POST",
socketPath,
},
(response) => {
response.on("data", (message) => {
logger.debug("got message from VS Code", field("message", message.toString()))
})
},
)
vscode.on("error", (error: unknown) => {
logger.error("got error from VS Code", field("error", error))
})
vscode.write(JSON.stringify(pipeArgs))
vscode.end()
}
const main = async (args: Args, configArgs: Args): Promise<void> => {
if (args.link) {
// If we're being exposed to the cloud, we listen on a random address and disable auth.
args = {
...args,
host: "localhost",
port: 0,
auth: AuthType.None,
socket: undefined,
cert: undefined,
}
logger.info("link: disabling auth and listening on random localhost port for cloud agent")
}
if (!args.auth) {
args = {
...args,
auth: AuthType.Password,
}
}
logger.info(`Using user-data-dir ${humanPath(args["user-data-dir"])}`)
logger.trace(`Using extensions-dir ${humanPath(args["extensions-dir"])}`)
const envPassword = !!process.env.PASSWORD
const password = args.auth === AuthType.Password && (process.env.PASSWORD || args.password)
if (args.auth === AuthType.Password && !password) {
throw new Error("Please pass in a password via the config file or $PASSWORD")
}
const [host, port] = bindAddrFromAllSources(args, configArgs)
// Spawn the main HTTP server.
const options: HttpServerOptions = {
auth: args.auth,
commit,
host: host,
// The hash does not add any actual security but we do it for obfuscation purposes.
password: password ? hash(password) : undefined,
port: port,
proxyDomains: args["proxy-domain"],
socket: args.socket,
...(args.cert && !args.cert.value
? await generateCertificate()
: {
cert: args.cert && args.cert.value,
certKey: args["cert-key"],
}),
}
if (options.cert && !options.certKey) {
throw new Error("--cert-key is missing")
}
const httpServer = new HttpServer(options)
httpServer.registerHttpProvider(["/", "/vscode"], VscodeHttpProvider, args)
httpServer.registerHttpProvider("/update", UpdateHttpProvider, false)
httpServer.registerHttpProvider("/proxy", ProxyHttpProvider)
httpServer.registerHttpProvider("/login", LoginHttpProvider, args.config!, envPassword)
httpServer.registerHttpProvider("/static", StaticHttpProvider)
httpServer.registerHttpProvider("/healthz", HealthHttpProvider, httpServer.heart)
await loadPlugins(httpServer, args)
ipcMain.onDispose(() => {
httpServer.dispose().then((errors) => {
errors.forEach((error) => logger.error(error.message))
})
})
logger.info(`code-server ${version} ${commit}`)
logger.info(`Using config file ${humanPath(args.config)}`)
const serverAddress = await httpServer.listen()
logger.info(`HTTP server listening on ${serverAddress}`)
if (args.auth === AuthType.Password) {
if (envPassword) {
logger.info(" - Using password from $PASSWORD")
} else {
logger.info(` - Using password from ${humanPath(args.config)}`)
}
logger.info(" - To disable use `--auth none`")
} else {
logger.info(" - No authentication")
}
delete process.env.PASSWORD
if (httpServer.protocol === "https") {
logger.info(
args.cert && args.cert.value
? ` - Using provided certificate and key for HTTPS`
: ` - Using generated certificate and key for HTTPS`,
)
} else {
logger.info(" - Not serving HTTPS")
}
if (httpServer.proxyDomains.size > 0) {
logger.info(` - ${plural(httpServer.proxyDomains.size, "Proxying the following domain")}:`)
httpServer.proxyDomains.forEach((domain) => logger.info(` - *.${domain}`))
}
if (serverAddress && !options.socket && args.open) {
// The web socket doesn't seem to work if browsing with 0.0.0.0.
const openAddress = serverAddress.replace(/:\/\/0.0.0.0/, "://localhost")
await open(openAddress).catch((error: Error) => {
logger.error("Failed to open", field("address", openAddress), field("error", error))
})
logger.info(`Opened ${openAddress}`)
}
if (args.link) {
try {
await coderCloudBind(serverAddress!, args.link.value)
} catch (err) {
logger.error(err.message)
ipcMain.exit(1)
}
}
}
async function entry(): Promise<void> {
const cliArgs = parse(process.argv.slice(2))
const configArgs = await readConfigFile(cliArgs.config)
// This prioritizes the flags set in args over the ones in the config file.
let args = Object.assign(configArgs, cliArgs)
args = await setDefaults(args)
// There's no need to check flags like --help or to spawn in an existing
// instance for the child process because these would have already happened in
// the parent and the child wouldn't have been spawned.
if (ipcMain.isChild) {
await ipcMain.handshake()
ipcMain.preventExit()
return main(args, configArgs)
}
if (args.help) {
console.log("code-server", version, commit)
console.log("")
console.log(`Usage: code-server [options] [path]`)
console.log("")
console.log("Options")
optionDescriptions().forEach((description) => {
console.log("", description)
})
return
}
if (args.version) {
if (args.json) {
console.log({
codeServer: version,
commit,
vscode: require("../../lib/vscode/package.json").version,
})
} else {
console.log(version, commit)
}
return
}
if (shouldRunVsCodeCli(args)) {
return runVsCodeCli(args)
}
const socketPath = await shouldOpenInExistingInstance(cliArgs)
if (socketPath) {
return openInExistingInstance(args, socketPath)
}
const wrapper = new WrapperProcess(require("../../package.json").version)
return wrapper.start()
}
entry().catch((error) => {
logger.error(error.message)
ipcMain.exit(error)
})