code-server/src/node/entry.ts
2020-10-26 17:56:13 -05:00

228 lines
6.6 KiB
TypeScript

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 { createApp, ensureAddress } from "./app"
import {
AuthType,
DefaultedArgs,
optionDescriptions,
parse,
readConfigFile,
setDefaults,
shouldOpenInExistingInstance,
shouldRunVsCodeCli,
} from "./cli"
import { coderCloudBind } from "./coder-cloud"
import { commit, version } from "./constants"
import { register } from "./routes"
import { humanPath, open } from "./util"
import { ipcMain, WrapperProcess } from "./wrapper"
export const runVsCodeCli = (args: DefaultedArgs): 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: DefaultedArgs, 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: DefaultedArgs): Promise<void> => {
logger.info(`code-server ${version} ${commit}`)
logger.info(`Using user-data-dir ${humanPath(args["user-data-dir"])}`)
logger.trace(`Using extensions-dir ${humanPath(args["extensions-dir"])}`)
if (args.auth === AuthType.Password && !args.password) {
throw new Error("Please pass in a password via the config file or $PASSWORD")
}
ipcMain.onDispose(() => {
// TODO: register disposables
})
const [app, server] = await createApp(args)
const serverAddress = ensureAddress(server)
await register(app, server, args)
logger.info(`Using config file ${humanPath(args.config)}`)
logger.info(`HTTP server listening on ${serverAddress} ${args.link ? "(randomized by --link)" : ""}`)
if (args.auth === AuthType.Password) {
logger.info(" - Authentication is enabled")
if (args.usingEnvPassword) {
logger.info(" - Using password from $PASSWORD")
} else {
logger.info(` - Using password from ${humanPath(args.config)}`)
}
} else {
logger.info(` - Authentication is disabled ${args.link ? "(disabled by --link)" : ""}`)
}
if (args.cert) {
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 (args["proxy-domain"].length > 0) {
logger.info(` - ${plural(args["proxy-domain"].length, "Proxying the following domain")}:`)
args["proxy-domain"].forEach((domain) => logger.info(` - *.${domain}`))
}
if (args.link) {
try {
await coderCloudBind(serverAddress, args.link.value)
logger.info(" - Connected to cloud agent")
} catch (err) {
logger.error(err.message)
ipcMain.exit(1)
}
}
if (serverAddress && !args.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}`)
}
}
async function entry(): Promise<void> {
const cliArgs = parse(process.argv.slice(2))
const configArgs = await readConfigFile(cliArgs.config)
const args = await setDefaults(cliArgs, configArgs)
// 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)
}
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)
})