mirror of https://github.com/coder/code-server.git
Refactor VS Code routes to match others
This commit is contained in:
Asher
parent
323a1f3234
commit
3d8d544f89
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@ -25,7 +25,7 @@ import * as login from "./login"
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import * as logout from "./logout"
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import * as pathProxy from "./pathProxy"
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import * as update from "./update"
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import { CodeServerRouteWrapper } from "./vscode"
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import * as vscode from "./vscode"
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/**
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* Register all routes and middleware.
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@ -170,12 +170,10 @@ export const register = async (app: App, args: DefaultedArgs): Promise<Disposabl
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app.router.use("/update", update.router)
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const vsServerRouteHandler = new CodeServerRouteWrapper()
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// Note that the root route is replaced in Coder Enterprise by the plugin API.
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for (const routePrefix of ["/vscode", "/"]) {
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app.router.use(routePrefix, vsServerRouteHandler.router)
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app.wsRouter.use(routePrefix, vsServerRouteHandler.wsRouter)
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app.router.use(routePrefix, vscode.router)
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app.wsRouter.use(routePrefix, vscode.wsRouter.router)
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}
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app.router.use(() => {
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@ -188,6 +186,6 @@ export const register = async (app: App, args: DefaultedArgs): Promise<Disposabl
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return () => {
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heart.dispose()
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pluginApi?.dispose()
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vsServerRouteHandler.dispose()
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vscode.dispose()
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}
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}
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@ -14,90 +14,59 @@ import { SocketProxyProvider } from "../socket"
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import { isFile, loadAMDModule } from "../util"
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import { Router as WsRouter } from "../wsRouter"
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export const router = express.Router()
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export const wsRouter = WsRouter()
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/**
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* This is the API of Code's web client server. code-server delegates requests
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* to Code here.
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* The API of VS Code's web client server. code-server delegates requests to VS
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* Code here.
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*
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* @see ../../../lib/vscode/src/vs/server/node/server.main.ts:72
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*/
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export interface IServerAPI {
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export interface IVSCodeServerAPI {
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handleRequest(req: http.IncomingMessage, res: http.ServerResponse): Promise<void>
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handleUpgrade(req: http.IncomingMessage, socket: net.Socket): void
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handleServerError(err: Error): void
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dispose(): void
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}
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// Types for ../../../lib/vscode/src/vs/server/node/server.main.ts:72.
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export type CreateServer = (address: string | net.AddressInfo | null, args: CodeArgs) => Promise<IServerAPI>
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// See ../../../lib/vscode/src/vs/server/node/server.main.ts:72.
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export type CreateServer = (address: string | net.AddressInfo | null, args: CodeArgs) => Promise<IVSCodeServerAPI>
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export class CodeServerRouteWrapper {
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/** Assigned in `ensureCodeServerLoaded` */
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private _codeServerMain!: IServerAPI
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private _wsRouterWrapper = WsRouter()
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private _socketProxyProvider = new SocketProxyProvider()
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public router = express.Router()
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private mintKeyPromise: Promise<Buffer> | undefined
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// The VS Code server is dynamically loaded in when a request is made to this
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// router by `ensureCodeServerLoaded`.
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let vscodeServer: IVSCodeServerAPI | undefined
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public get wsRouter() {
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return this._wsRouterWrapper.router
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/**
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* Ensure the VS Code server is loaded.
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*/
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export const ensureVSCodeLoaded = async (
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req: express.Request,
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_: express.Response,
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next: express.NextFunction,
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): Promise<void> => {
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if (vscodeServer) {
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return next()
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}
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//#region Route Handlers
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private manifest: express.Handler = async (req, res, next) => {
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const appName = req.args["app-name"] || "code-server"
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res.writeHead(200, { "Content-Type": "application/manifest+json" })
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return res.end(
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replaceTemplates(
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req,
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JSON.stringify(
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{
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name: appName,
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short_name: appName,
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start_url: ".",
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display: "fullscreen",
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display_override: ["window-controls-overlay"],
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description: "Run Code on a remote server.",
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icons: [192, 512].map((size) => ({
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src: `{{BASE}}/_static/src/browser/media/pwa-icon-${size}.png`,
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type: "image/png",
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sizes: `${size}x${size}`,
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})),
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},
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null,
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2,
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),
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),
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)
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}
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private mintKey: express.Handler = async (req, res, next) => {
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if (!this.mintKeyPromise) {
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this.mintKeyPromise = new Promise(async (resolve) => {
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const keyPath = path.join(req.args["user-data-dir"], "serve-web-key-half")
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logger.debug(`Reading server web key half from ${keyPath}`)
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// See ../../../lib/vscode/src/vs/server/node/server.main.ts:72.
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const createVSServer = await loadAMDModule<CreateServer>("vs/server/node/server.main", "createServer")
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try {
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resolve(await fs.readFile(keyPath))
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return
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} catch (error: any) {
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if (error.code !== "ENOENT") {
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logError(logger, `read ${keyPath}`, error)
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}
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}
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// VS Code wants 256 bits.
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const key = crypto.randomBytes(32)
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try {
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await fs.writeFile(keyPath, key)
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} catch (error: any) {
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logError(logger, `write ${keyPath}`, error)
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}
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resolve(key)
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vscodeServer = await createVSServer(null, {
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...(await toCodeArgs(req.args)),
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"without-connection-token": true,
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})
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} catch (error) {
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logError(logger, "CodeServerRouteWrapper", error)
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if (isDevMode) {
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return next(new Error((error instanceof Error ? error.message : error) + " (VS Code may still be compiling)"))
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}
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const key = await this.mintKeyPromise
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res.end(key)
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return next(error)
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}
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return next()
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}
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private $root: express.Handler = async (req, res, next) => {
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router.get("/", ensureVSCodeLoaded, async (req, res, next) => {
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const isAuthenticated = await authenticated(req)
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const NO_FOLDER_OR_WORKSPACE_QUERY = !req.query.folder && !req.query.workspace
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// Ew means the workspace was closed so clear the last folder/workspace.
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@ -151,66 +120,80 @@ export class CodeServerRouteWrapper {
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await req.settings.write({ query: req.query })
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next()
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}
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})
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private $proxyRequest: express.Handler = async (req, res, next) => {
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this._codeServerMain.handleRequest(req, res)
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}
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router.get("/manifest.json", async (req, res) => {
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const appName = req.args["app-name"] || "code-server"
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res.writeHead(200, { "Content-Type": "application/manifest+json" })
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private $proxyWebsocket = async (req: WebsocketRequest) => {
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const wrappedSocket = await this._socketProxyProvider.createProxy(req.ws)
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return res.end(
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replaceTemplates(
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req,
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JSON.stringify(
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{
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name: appName,
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short_name: appName,
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start_url: ".",
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display: "fullscreen",
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display_override: ["window-controls-overlay"],
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description: "Run Code on a remote server.",
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icons: [192, 512].map((size) => ({
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src: `{{BASE}}/_static/src/browser/media/pwa-icon-${size}.png`,
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type: "image/png",
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sizes: `${size}x${size}`,
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})),
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},
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null,
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2,
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),
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),
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)
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})
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let mintKeyPromise: Promise<Buffer> | undefined
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router.post("/mint-key", async (req, res) => {
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if (!mintKeyPromise) {
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mintKeyPromise = new Promise(async (resolve) => {
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const keyPath = path.join(req.args["user-data-dir"], "serve-web-key-half")
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logger.debug(`Reading server web key half from ${keyPath}`)
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try {
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resolve(await fs.readFile(keyPath))
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return
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} catch (error: any) {
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if (error.code !== "ENOENT") {
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logError(logger, `read ${keyPath}`, error)
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}
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}
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// VS Code wants 256 bits.
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const key = crypto.randomBytes(32)
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try {
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await fs.writeFile(keyPath, key)
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} catch (error: any) {
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logError(logger, `write ${keyPath}`, error)
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}
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resolve(key)
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})
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}
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const key = await mintKeyPromise
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res.end(key)
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})
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router.all(/.*/, ensureAuthenticated, ensureVSCodeLoaded, async (req, res) => {
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vscodeServer!.handleRequest(req, res)
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})
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const socketProxyProvider = new SocketProxyProvider()
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wsRouter.ws(/.*/, ensureOrigin, ensureAuthenticated, ensureVSCodeLoaded, async (req: WebsocketRequest) => {
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const wrappedSocket = await socketProxyProvider.createProxy(req.ws)
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// This should actually accept a duplex stream but it seems Code has not
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// been updated to match the Node 16 types so cast for now. There does not
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// appear to be any code specific to sockets so this should be fine.
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this._codeServerMain.handleUpgrade(req, wrappedSocket as net.Socket)
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vscodeServer!.handleUpgrade(req, wrappedSocket as net.Socket)
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req.ws.resume()
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}
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//#endregion
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/**
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* Fetches a code server instance asynchronously to avoid an initial memory overhead.
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*/
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private ensureCodeServerLoaded: express.Handler = async (req, _res, next) => {
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if (this._codeServerMain) {
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// Already loaded...
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return next()
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}
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// Create the server...
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const { args } = req
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// See ../../../lib/vscode/src/vs/server/node/server.main.ts:72.
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const createVSServer = await loadAMDModule<CreateServer>("vs/server/node/server.main", "createServer")
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try {
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this._codeServerMain = await createVSServer(null, {
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...(await toCodeArgs(args)),
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"without-connection-token": true,
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})
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} catch (error) {
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logError(logger, "CodeServerRouteWrapper", error)
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if (isDevMode) {
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return next(new Error((error instanceof Error ? error.message : error) + " (VS Code may still be compiling)"))
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}
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return next(error)
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}
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return next()
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}
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constructor() {
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this.router.get("/", this.ensureCodeServerLoaded, this.$root)
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this.router.get("/manifest.json", this.manifest)
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this.router.post("/mint-key", this.mintKey)
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this.router.all(/.*/, ensureAuthenticated, this.ensureCodeServerLoaded, this.$proxyRequest)
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this._wsRouterWrapper.ws(/.*/, ensureOrigin, ensureAuthenticated, this.ensureCodeServerLoaded, this.$proxyWebsocket)
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}
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dispose() {
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this._codeServerMain?.dispose()
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this._socketProxyProvider.stop()
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}
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export function dispose() {
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vscodeServer?.dispose()
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socketProxyProvider.stop()
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}
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