Merge pull request #2622 from cdr/plugin-additions

ci/dev/test.sh

@@ -9,7 +9,7 @@ main() {
   # information. We must also run it from the root otherwise coverage will not
   # include our source files.
   cd "$OLDPWD"
-  ./test/node_modules/.bin/jest "$@"
+  CS_DISABLE_PLUGINS=true ./test/node_modules/.bin/jest "$@"
 }
 
 main "$@"

package.json

@@ -54,6 +54,7 @@
     "doctoc": "^1.4.0",
     "eslint": "^7.7.0",
     "eslint-config-prettier": "^6.0.0",
+    "eslint-import-resolver-alias": "^1.1.2",
     "eslint-plugin-import": "^2.18.2",
     "eslint-plugin-prettier": "^3.1.0",
     "istanbul-badges-readme": "^1.2.0",
@@ -139,6 +140,9 @@
       "global": {
         "lines": 40
       }
-    }
+    },
+    "modulePathIgnorePatterns": [
+      "<rootDir>/release"
+    ]
   }
 }

src/node/http.ts

@@ -5,10 +5,21 @@ import qs from "qs"
 import safeCompare from "safe-compare"
 import { HttpCode, HttpError } from "../common/http"
 import { normalize, Options } from "../common/util"
-import { AuthType } from "./cli"
+import { AuthType, DefaultedArgs } from "./cli"
 import { commit, rootPath } from "./constants"
+import { Heart } from "./heart"
 import { hash } from "./util"
 
+declare global {
+  // eslint-disable-next-line @typescript-eslint/no-namespace
+  namespace Express {
+    export interface Request {
+      args: DefaultedArgs
+      heart: Heart
+    }
+  }
+}
+
 /**
  * Replace common variable strings in HTML templates.
  */

src/node/plugin.ts

@@ -1,13 +1,44 @@
-import { Logger, field } from "@coder/logger"
+import { field, Level, Logger } from "@coder/logger"
 import * as express from "express"
 import * as fs from "fs"
 import * as path from "path"
 import * as semver from "semver"
 import * as pluginapi from "../../typings/pluginapi"
+import { HttpCode, HttpError } from "../common/http"
 import { version } from "./constants"
+import { replaceTemplates } from "./http"
+import { proxy } from "./proxy"
 import * as util from "./util"
+import { Router as WsRouter, WebsocketRouter, wss } from "./wsRouter"
 const fsp = fs.promises
 
+// Represents a required module which could be anything.
+type Module = any
+
+/**
+ * Inject code-server when `require`d. This is required because the API provides
+ * more than just types so these need to be provided at run-time.
+ */
+const originalLoad = require("module")._load
+require("module")._load = function (request: string, parent: object, isMain: boolean): Module {
+  return request === "code-server" ? codeServer : originalLoad.apply(this, [request, parent, isMain])
+}
+
+/**
+ * The module you get when importing "code-server".
+ */
+export const codeServer = {
+  express,
+  field,
+  HttpCode,
+  HttpError,
+  Level,
+  proxy,
+  replaceTemplates,
+  WsRouter,
+  wss,
+}
+
 interface Plugin extends pluginapi.Plugin {
   /**
    * These fields are populated from the plugin's package.json
@@ -26,7 +57,7 @@ interface Application extends pluginapi.Application {
   /*
    * Clone of the above without functions.
    */
-  plugin: Omit<Plugin, "init" | "router" | "applications">
+  plugin: Omit<Plugin, "init" | "deinit" | "router" | "applications">
 }
 
 /**
@@ -44,6 +75,7 @@ export class PluginAPI {
      */
     private readonly csPlugin = "",
     private readonly csPluginPath = `${path.join(util.paths.data, "plugins")}:/usr/share/code-server/plugins`,
+    private readonly workingDirectory: string | undefined = undefined,
   ) {
     this.logger = logger.named("pluginapi")
   }
@@ -85,22 +117,24 @@ export class PluginAPI {
   }
 
   /**
-   * mount mounts all plugin routers onto r.
+   * mount mounts all plugin routers onto r and websocket routers onto wr.
    */
-  public mount(r: express.Router): void {
+  public mount(r: express.Router, wr: express.Router): void {
     for (const [, p] of this.plugins) {
-      if (!p.router) {
+      if (p.router) {
-        continue
-      }
         r.use(`${p.routerPath}`, p.router())
       }
+      if (p.wsRouter) {
+        wr.use(`${p.routerPath}`, (p.wsRouter() as WebsocketRouter).router)
+      }
+    }
   }
 
   /**
    * loadPlugins loads all plugins based on this.csPlugin,
    * this.csPluginPath and the built in plugins.
    */
-  public async loadPlugins(): Promise<void> {
+  public async loadPlugins(loadBuiltin = true): Promise<void> {
     for (const dir of this.csPlugin.split(":")) {
       if (!dir) {
         continue
@@ -115,9 +149,10 @@ export class PluginAPI {
       await this._loadPlugins(dir)
     }
 
-    // Built-in plugins.
+    if (loadBuiltin) {
       await this._loadPlugins(path.join(__dirname, "../../plugins"))
     }
+  }
 
   /**
    * _loadPlugins is the counterpart to loadPlugins.
@@ -225,12 +260,28 @@ export class PluginAPI {
 
     p.init({
       logger: logger,
+      workingDirectory: this.workingDirectory,
     })
 
     logger.debug("loaded")
 
     return p
   }
+
+  public async dispose(): Promise<void> {
+    await Promise.all(
+      Array.from(this.plugins.values()).map(async (p) => {
+        if (!p.deinit) {
+          return
+        }
+        try {
+          await p.deinit()
+        } catch (error) {
+          this.logger.error("plugin failed to deinit", field("name", p.name), field("error", error.message))
+        }
+      }),
+    )
+  }
 }
 
 interface PackageJSON {

src/node/routes/health.ts

@@ -1,4 +1,5 @@
 import { Router } from "express"
+import { wss, Router as WsRouter } from "../wsRouter"
 
 export const router = Router()
 
@@ -8,3 +9,19 @@ router.get("/", (req, res) => {
     lastHeartbeat: req.heart.lastHeartbeat,
   })
 })
+
+export const wsRouter = WsRouter()
+
+wsRouter.ws("/", async (req) => {
+  wss.handleUpgrade(req, req.socket, req.head, (ws) => {
+    ws.on("message", () => {
+      ws.send(
+        JSON.stringify({
+          event: "health",
+          status: req.heart.alive() ? "alive" : "expired",
+          lastHeartbeat: req.heart.lastHeartbeat,
+        }),
+      )
+    })
+  })
+})

src/node/routes/index.ts

@@ -6,35 +6,26 @@ import { promises as fs } from "fs"
 import http from "http"
 import * as path from "path"
 import * as tls from "tls"
+import * as pluginapi from "../../../typings/pluginapi"
 import { HttpCode, HttpError } from "../../common/http"
 import { plural } from "../../common/util"
 import { AuthType, DefaultedArgs } from "../cli"
 import { rootPath } from "../constants"
 import { Heart } from "../heart"
-import { replaceTemplates, redirect } from "../http"
+import { redirect, replaceTemplates } from "../http"
 import { PluginAPI } from "../plugin"
 import { getMediaMime, paths } from "../util"
-import { WebsocketRequest } from "../wsRouter"
+import { wrapper } from "../wrapper"
 import * as apps from "./apps"
 import * as domainProxy from "./domainProxy"
 import * as health from "./health"
 import * as login from "./login"
-import * as proxy from "./pathProxy"
+import * as pathProxy from "./pathProxy"
 // static is a reserved keyword.
 import * as _static from "./static"
 import * as update from "./update"
 import * as vscode from "./vscode"
 
-declare global {
-  // eslint-disable-next-line @typescript-eslint/no-namespace
-  namespace Express {
-    export interface Request {
-      args: DefaultedArgs
-      heart: Heart
-    }
-  }
-}
-
 /**
  * Register all routes and middleware.
  */
@@ -104,25 +95,34 @@ export const register = async (
   wsApp.use("/", domainProxy.wsRouter.router)
 
   app.all("/proxy/(:port)(/*)?", (req, res) => {
-    proxy.proxy(req, res)
+    pathProxy.proxy(req, res)
   })
-  wsApp.get("/proxy/(:port)(/*)?", (req, res) => {
+  wsApp.get("/proxy/(:port)(/*)?", (req) => {
-    proxy.wsProxy(req as WebsocketRequest)
+    pathProxy.wsProxy(req as pluginapi.WebsocketRequest)
   })
   // These two routes pass through the path directly.
   // So the proxied app must be aware it is running
   // under /absproxy/<someport>/
   app.all("/absproxy/(:port)(/*)?", (req, res) => {
-    proxy.proxy(req, res, {
+    pathProxy.proxy(req, res, {
       passthroughPath: true,
     })
   })
-  wsApp.get("/absproxy/(:port)(/*)?", (req, res) => {
+  wsApp.get("/absproxy/(:port)(/*)?", (req) => {
-    proxy.wsProxy(req as WebsocketRequest, {
+    pathProxy.wsProxy(req as pluginapi.WebsocketRequest, {
       passthroughPath: true,
     })
   })
 
+  if (!process.env.CS_DISABLE_PLUGINS) {
+    const workingDir = args._ && args._.length > 0 ? path.resolve(args._[args._.length - 1]) : undefined
+    const pluginApi = new PluginAPI(logger, process.env.CS_PLUGIN, process.env.CS_PLUGIN_PATH, workingDir)
+    await pluginApi.loadPlugins()
+    pluginApi.mount(app, wsApp)
+    app.use("/api/applications", apps.router(pluginApi))
+    wrapper.onDispose(() => pluginApi.dispose())
+  }
+
   app.use(bodyParser.json())
   app.use(bodyParser.urlencoded({ extended: true }))
 
@@ -132,6 +132,7 @@ export const register = async (
   wsApp.use("/vscode", vscode.wsRouter.router)
 
   app.use("/healthz", health.router)
+  wsApp.use("/healthz", health.wsRouter.router)
 
   if (args.auth === AuthType.Password) {
     app.use("/login", login.router)
@@ -144,11 +145,6 @@ export const register = async (
   app.use("/static", _static.router)
   app.use("/update", update.router)
 
-  const papi = new PluginAPI(logger, process.env.CS_PLUGIN, process.env.CS_PLUGIN_PATH)
-  await papi.loadPlugins()
-  papi.mount(app)
-  app.use("/api/applications", apps.router(papi))
-
   app.use(() => {
     throw new HttpError("Not Found", HttpCode.NotFound)
   })
@@ -187,7 +183,7 @@ export const register = async (
 
   const wsErrorHandler: express.ErrorRequestHandler = async (err, req, res, next) => {
     logger.error(`${err.message} ${err.stack}`)
-    ;(req as WebsocketRequest).ws.end()
+    ;(req as pluginapi.WebsocketRequest).ws.end()
   }
 
   wsApp.use(wsErrorHandler)

src/node/routes/pathProxy.ts

@@ -1,11 +1,11 @@
 import { Request, Response } from "express"
 import * as path from "path"
 import qs from "qs"
+import * as pluginapi from "../../../typings/pluginapi"
 import { HttpCode, HttpError } from "../../common/http"
 import { normalize } from "../../common/util"
 import { authenticated, ensureAuthenticated, redirect } from "../http"
 import { proxy as _proxy } from "../proxy"
-import { WebsocketRequest } from "../wsRouter"
 
 const getProxyTarget = (req: Request, passthroughPath?: boolean): string => {
   if (passthroughPath) {
@@ -46,7 +46,7 @@ export function proxy(
 }
 
 export function wsProxy(
-  req: WebsocketRequest,
+  req: pluginapi.WebsocketRequest,
   opts?: {
     passthroughPath?: boolean
   },

src/node/wrapper.ts

@@ -234,9 +234,7 @@ export class ParentProcess extends Process {
     this.logStdoutStream = rfs.createStream(path.join(paths.data, "coder-logs", "code-server-stdout.log"), opts)
     this.logStderrStream = rfs.createStream(path.join(paths.data, "coder-logs", "code-server-stderr.log"), opts)
 
-    this.onDispose(() => {
+    this.onDispose(() => this.disposeChild())
-      this.disposeChild()
-    })
 
     this.onChildMessage((message) => {
       switch (message.type) {
@@ -252,11 +250,15 @@ export class ParentProcess extends Process {
     })
   }
 
-  private disposeChild(): void {
+  private async disposeChild(): Promise<void> {
     this.started = undefined
     if (this.child) {
-      this.child.removeAllListeners()
+      const child = this.child
-      this.child.kill()
+      child.removeAllListeners()
+      child.kill()
+      // Wait for the child to exit otherwise its output will be lost which can
+      // be especially problematic if you're trying to debug why cleanup failed.
+      await new Promise((r) => child!.on("exit", r))
     }
   }
 

src/node/wsRouter.ts

@@ -1,7 +1,8 @@
 import * as express from "express"
 import * as expressCore from "express-serve-static-core"
 import * as http from "http"
-import * as net from "net"
+import Websocket from "ws"
+import * as pluginapi from "../../typings/pluginapi"
 
 export const handleUpgrade = (app: express.Express, server: http.Server): void => {
   server.on("upgrade", (req, socket, head) => {
@@ -20,31 +21,24 @@ export const handleUpgrade = (app: express.Express, server: http.Server): void =
   })
 }
 
-export interface WebsocketRequest extends express.Request {
+interface InternalWebsocketRequest extends pluginapi.WebsocketRequest {
-  ws: net.Socket
-  head: Buffer
-}
-
-interface InternalWebsocketRequest extends WebsocketRequest {
   _ws_handled: boolean
 }
 
-export type WebSocketHandler = (
-  req: WebsocketRequest,
-  res: express.Response,
-  next: express.NextFunction,
-) => void | Promise<void>
-
 export class WebsocketRouter {
   public readonly router = express.Router()
 
-  public ws(route: expressCore.PathParams, ...handlers: WebSocketHandler[]): void {
+  /**
+   * Handle a websocket at this route. Note that websockets are immediately
+   * paused when they come in.
+   */
+  public ws(route: expressCore.PathParams, ...handlers: pluginapi.WebSocketHandler[]): void {
     this.router.get(
       route,
       ...handlers.map((handler) => {
         const wrapped: express.Handler = (req, res, next) => {
           ;(req as InternalWebsocketRequest)._ws_handled = true
-          return handler(req as WebsocketRequest, res, next)
+          return handler(req as pluginapi.WebsocketRequest, res, next)
         }
         return wrapped
       }),
@@ -55,3 +49,5 @@ export class WebsocketRouter {
 export function Router(): WebsocketRouter {
   return new WebsocketRouter()
 }
+
+export const wss = new Websocket.Server({ noServer: true })

test/httpserver.ts

@@ -1,7 +1,10 @@
+import * as express from "express"
 import * as http from "http"
 import * as nodeFetch from "node-fetch"
+import Websocket from "ws"
 import * as util from "../src/common/util"
 import { ensureAddress } from "../src/node/app"
+import { handleUpgrade } from "../src/node/wsRouter"
 
 // Perhaps an abstraction similar to this should be used in app.ts as well.
 export class HttpServer {
@@ -39,6 +42,13 @@ export class HttpServer {
     })
   }
 
+  /**
+   * Send upgrade requests to an Express app.
+   */
+  public listenUpgrade(app: express.Express): void {
+    handleUpgrade(app, this.hs)
+  }
+
   /**
    * close cleans up the server.
    */
@@ -62,6 +72,13 @@ export class HttpServer {
     return nodeFetch.default(`${ensureAddress(this.hs)}${requestPath}`, opts)
   }
 
+  /**
+   * Open a websocket against the requset path.
+   */
+  public ws(requestPath: string): Websocket {
+    return new Websocket(`${ensureAddress(this.hs).replace("http:", "ws:")}${requestPath}`)
+  }
+
   public port(): number {
     const addr = this.hs.address()
     if (addr && typeof addr === "object") {

test/plugin.test.ts

@@ -2,11 +2,15 @@ import { logger } from "@coder/logger"
 import * as express from "express"
 import * as fs from "fs"
 import * as path from "path"
-import { PluginAPI } from "../src/node/plugin"
+import { HttpCode } from "../src/common/http"
+import { codeServer, PluginAPI } from "../src/node/plugin"
 import * as apps from "../src/node/routes/apps"
 import * as httpserver from "./httpserver"
 const fsp = fs.promises
 
+// Jest overrides `require` so our usual override doesn't work.
+jest.mock("code-server", () => codeServer, { virtual: true })
+
 /**
  * Use $LOG_LEVEL=debug to see debug logs.
  */
@@ -15,15 +19,19 @@ describe("plugin", () => {
   let s: httpserver.HttpServer
 
   beforeAll(async () => {
-    papi = new PluginAPI(logger, `${path.resolve(__dirname, "test-plugin")}:meow`)
+    // Only include the test plugin to avoid contaminating results with other
-    await papi.loadPlugins()
+    // plugins that might be on the filesystem.
+    papi = new PluginAPI(logger, `${path.resolve(__dirname, "test-plugin")}:meow`, "")
+    await papi.loadPlugins(false)
 
     const app = express.default()
-    papi.mount(app)
+    const wsApp = express.default()
+    papi.mount(app, wsApp)
     app.use("/api/applications", apps.router(papi))
 
     s = new httpserver.HttpServer()
     await s.listen(app)
+    s.listenUpgrade(wsApp)
   })
 
   afterAll(async () => {
@@ -68,4 +76,18 @@ describe("plugin", () => {
     const body = await resp.text()
     expect(body).toBe(indexHTML)
   })
+
+  it("/test-plugin/test-app (websocket)", async () => {
+    const ws = s.ws("/test-plugin/test-app")
+    const message = await new Promise((resolve) => {
+      ws.once("message", (message) => resolve(message))
+    })
+    ws.terminate()
+    expect(message).toBe("hello")
+  })
+
+  it("/test-plugin/error", async () => {
+    const resp = await s.fetch("/test-plugin/error")
+    expect(resp.status).toBe(HttpCode.LargePayload)
+  })
 })

test/test-plugin/.eslintrc.yaml

@@ -0,0 +1,5 @@
+settings:
+  import/resolver:
+    alias:
+      map:
+        - [code-server, ./typings/pluginapi.d.ts]

test/test-plugin/package.json

@@ -12,8 +12,5 @@
   },
   "scripts": {
     "build": "tsc"
-  },
-  "dependencies": {
-    "express": "^4.17.1"
   }
 }

test/test-plugin/src/index.ts

@@ -1,8 +1,7 @@
-import * as express from "express"
+import * as cs from "code-server"
 import * as fspath from "path"
-import * as pluginapi from "../../../typings/pluginapi"
 
-export const plugin: pluginapi.Plugin = {
+export const plugin: cs.Plugin = {
   displayName: "Test Plugin",
   routerPath: "/test-plugin",
   homepageURL: "https://example.com",
@@ -13,16 +12,29 @@ export const plugin: pluginapi.Plugin = {
   },
 
   router() {
-    const r = express.Router()
+    const r = cs.express.Router()
-    r.get("/test-app", (req, res) => {
+    r.get("/test-app", (_, res) => {
       res.sendFile(fspath.resolve(__dirname, "../public/index.html"))
     })
-    r.get("/goland/icon.svg", (req, res) => {
+    r.get("/goland/icon.svg", (_, res) => {
       res.sendFile(fspath.resolve(__dirname, "../public/icon.svg"))
     })
+    r.get("/error", () => {
+      throw new cs.HttpError("error", cs.HttpCode.LargePayload)
+    })
     return r
   },
 
+  wsRouter() {
+    const wr = cs.WsRouter()
+    wr.ws("/test-app", (req) => {
+      cs.wss.handleUpgrade(req, req.socket, req.head, (ws) => {
+        ws.send("hello")
+      })
+    })
+    return wr
+  },
+
   applications() {
     return [
       {

test/test-plugin/tsconfig.json

@@ -42,8 +42,10 @@
 
     /* Module Resolution Options */
     // "moduleResolution": "node",            /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
-    // "baseUrl": "./",                       /* Base directory to resolve non-absolute module names. */
+    "baseUrl": "./" /* Base directory to resolve non-absolute module names. */,
-    // "paths": {},                           /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
+    "paths": {
+      "code-server": ["../../typings/pluginapi"]
+    } /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */,
     // "rootDirs": [],                        /* List of root folders whose combined content represents the structure of the project at runtime. */
     // "typeRoots": [],                       /* List of folders to include type definitions from. */
     // "types": [],                           /* Type declaration files to be included in compilation. */

test/test-plugin/yarn.lock

@@ -64,372 +64,7 @@
     "@types/mime" "*"
     "@types/node" "*"
 
-accepts@~1.3.7:
-  version "1.3.7"
-  resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.7.tgz#531bc726517a3b2b41f850021c6cc15eaab507cd"
-  integrity sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==
-  dependencies:
-    mime-types "~2.1.24"
-    negotiator "0.6.2"
-
-array-flatten@1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/array-flatten/-/array-flatten-1.1.1.tgz#9a5f699051b1e7073328f2a008968b64ea2955d2"
-  integrity sha1-ml9pkFGx5wczKPKgCJaLZOopVdI=
-
-body-parser@1.19.0:
-  version "1.19.0"
-  resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.19.0.tgz#96b2709e57c9c4e09a6fd66a8fd979844f69f08a"
-  integrity sha512-dhEPs72UPbDnAQJ9ZKMNTP6ptJaionhP5cBb541nXPlW60Jepo9RV/a4fX4XWW9CuFNK22krhrj1+rgzifNCsw==
-  dependencies:
-    bytes "3.1.0"
-    content-type "~1.0.4"
-    debug "2.6.9"
-    depd "~1.1.2"
-    http-errors "1.7.2"
-    iconv-lite "0.4.24"
-    on-finished "~2.3.0"
-    qs "6.7.0"
-    raw-body "2.4.0"
-    type-is "~1.6.17"
-
-bytes@3.1.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.1.0.tgz#f6cf7933a360e0588fa9fde85651cdc7f805d1f6"
-  integrity sha512-zauLjrfCG+xvoyaqLoV8bLVXXNGC4JqlxFCutSDWA6fJrTo2ZuvLYTqZ7aHBLZSMOopbzwv8f+wZcVzfVTI2Dg==
-
-content-disposition@0.5.3:
-  version "0.5.3"
-  resolved "https://registry.yarnpkg.com/content-disposition/-/content-disposition-0.5.3.tgz#e130caf7e7279087c5616c2007d0485698984fbd"
-  integrity sha512-ExO0774ikEObIAEV9kDo50o+79VCUdEB6n6lzKgGwupcVeRlhrj3qGAfwq8G6uBJjkqLrhT0qEYFcWng8z1z0g==
-  dependencies:
-    safe-buffer "5.1.2"
-
-content-type@~1.0.4:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.4.tgz#e138cc75e040c727b1966fe5e5f8c9aee256fe3b"
-  integrity sha512-hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA==
-
-cookie-signature@1.0.6:
-  version "1.0.6"
-  resolved "https://registry.yarnpkg.com/cookie-signature/-/cookie-signature-1.0.6.tgz#e303a882b342cc3ee8ca513a79999734dab3ae2c"
-  integrity sha1-4wOogrNCzD7oylE6eZmXNNqzriw=
-
-cookie@0.4.0:
-  version "0.4.0"
-  resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.4.0.tgz#beb437e7022b3b6d49019d088665303ebe9c14ba"
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-  integrity sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak=
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-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
-  integrity sha1-l4hXRCxEdJ5CBmE+N5RiBYJqvYA=
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-  resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
-  integrity sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=
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-  integrity sha1-rT/0yG7C0CkyL1oCw6mmBslbP1k=
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-  resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
-  integrity sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg=
-
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-  version "1.8.1"
-  resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
-  integrity sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=
-
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-  integrity sha512-mHJ9O79RqluphRrcw2X/GTh3k9tVv8YcoyY4Kkh4WDMUYKRZUq0h1o0w2rrrxBqM7VoeUVqgb27xlEMXTnYt4g==
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-    array-flatten "1.1.1"
-    body-parser "1.19.0"
-    content-disposition "0.5.3"
-    content-type "~1.0.4"
-    cookie "0.4.0"
-    cookie-signature "1.0.6"
-    debug "2.6.9"
-    depd "~1.1.2"
-    encodeurl "~1.0.2"
-    escape-html "~1.0.3"
-    etag "~1.8.1"
-    finalhandler "~1.1.2"
-    fresh "0.5.2"
-    merge-descriptors "1.0.1"
-    methods "~1.1.2"
-    on-finished "~2.3.0"
-    parseurl "~1.3.3"
-    path-to-regexp "0.1.7"
-    proxy-addr "~2.0.5"
-    qs "6.7.0"
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-    safe-buffer "5.1.2"
-    send "0.17.1"
-    serve-static "1.14.1"
-    setprototypeof "1.1.1"
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-    utils-merge "1.0.1"
-    vary "~1.1.2"
-
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-    toidentifier "1.0.0"
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-    toidentifier "1.0.0"
-
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-  version "0.4.24"
-  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
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-
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-  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
-  integrity sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
-
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-  version "2.0.4"
-  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
-  integrity sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
-
-ipaddr.js@1.9.1:
-  version "1.9.1"
-  resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.9.1.tgz#bff38543eeb8984825079ff3a2a8e6cbd46781b3"
-  integrity sha512-0KI/607xoxSToH7GjN1FfSbLoU0+btTicjsQSWQlh/hZykN8KpmMf7uYwPW3R+akZ6R/w18ZlXSHBYXiYUPO3g==
-
-media-typer@0.3.0:
-  version "0.3.0"
-  resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
-  integrity sha1-hxDXrwqmJvj/+hzgAWhUUmMlV0g=
-
-merge-descriptors@1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/merge-descriptors/-/merge-descriptors-1.0.1.tgz#b00aaa556dd8b44568150ec9d1b953f3f90cbb61"
-  integrity sha1-sAqqVW3YtEVoFQ7J0blT8/kMu2E=
-
-methods@~1.1.2:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
-  integrity sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4=
-
-mime-db@1.44.0:
-  version "1.44.0"
-  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.44.0.tgz#fa11c5eb0aca1334b4233cb4d52f10c5a6272f92"
-  integrity sha512-/NOTfLrsPBVeH7YtFPgsVWveuL+4SjjYxaQ1xtM1KMFj7HdxlBlxeyNLzhyJVx7r4rZGJAZ/6lkKCitSc/Nmpg==
-
-mime-types@~2.1.24:
-  version "2.1.27"
-  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.27.tgz#47949f98e279ea53119f5722e0f34e529bec009f"
-  integrity sha512-JIhqnCasI9yD+SsmkquHBxTSEuZdQX5BuQnS2Vc7puQQQ+8yiP5AY5uWhpdv4YL4VM5c6iliiYWPgJ/nJQLp7w==
-  dependencies:
-    mime-db "1.44.0"
-
-mime@1.6.0:
-  version "1.6.0"
-  resolved "https://registry.yarnpkg.com/mime/-/mime-1.6.0.tgz#32cd9e5c64553bd58d19a568af452acff04981b1"
-  integrity sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg==
-
-ms@2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
-  integrity sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=
-
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-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.1.tgz#30a5864eb3ebb0a66f2ebe6d727af06a09d86e0a"
-  integrity sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==
-
-negotiator@0.6.2:
-  version "0.6.2"
-  resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.2.tgz#feacf7ccf525a77ae9634436a64883ffeca346fb"
-  integrity sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw==
-
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-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
-  integrity sha1-IPEzZIGwg811M3mSoWlxqi2QaUc=
-  dependencies:
-    ee-first "1.1.1"
-
-parseurl@~1.3.3:
-  version "1.3.3"
-  resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.3.tgz#9da19e7bee8d12dff0513ed5b76957793bc2e8d4"
-  integrity sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ==
-
-path-to-regexp@0.1.7:
-  version "0.1.7"
-  resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-0.1.7.tgz#df604178005f522f15eb4490e7247a1bfaa67f8c"
-  integrity sha1-32BBeABfUi8V60SQ5yR6G/qmf4w=
-
-proxy-addr@~2.0.5:
-  version "2.0.6"
-  resolved "https://registry.yarnpkg.com/proxy-addr/-/proxy-addr-2.0.6.tgz#fdc2336505447d3f2f2c638ed272caf614bbb2bf"
-  integrity sha512-dh/frvCBVmSsDYzw6n926jv974gddhkFPfiN8hPOi30Wax25QZyZEGveluCgliBnqmuM+UJmBErbAUFIoDbjOw==
-  dependencies:
-    forwarded "~0.1.2"
-    ipaddr.js "1.9.1"
-
-qs@6.7.0:
-  version "6.7.0"
-  resolved "https://registry.yarnpkg.com/qs/-/qs-6.7.0.tgz#41dc1a015e3d581f1621776be31afb2876a9b1bc"
-  integrity sha512-VCdBRNFTX1fyE7Nb6FYoURo/SPe62QCaAyzJvUjwRaIsc+NePBEniHlvxFmmX56+HZphIGtV0XeCirBtpDrTyQ==
-
-range-parser@~1.2.1:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/range-parser/-/range-parser-1.2.1.tgz#3cf37023d199e1c24d1a55b84800c2f3e6468031"
-  integrity sha512-Hrgsx+orqoygnmhFbKaHE6c296J+HTAQXoxEF6gNupROmmGJRoyzfG3ccAveqCBrwr/2yxQ5BVd/GTl5agOwSg==
-
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-  version "2.4.0"
-  resolved "https://registry.yarnpkg.com/raw-body/-/raw-body-2.4.0.tgz#a1ce6fb9c9bc356ca52e89256ab59059e13d0332"
-  integrity sha512-4Oz8DUIwdvoa5qMJelxipzi/iJIi40O5cGV1wNYp5hvZP8ZN0T+jiNkL0QepXs+EsQ9XJ8ipEDoiH70ySUJP3Q==
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-    bytes "3.1.0"
-    http-errors "1.7.2"
-    iconv-lite "0.4.24"
-    unpipe "1.0.0"
-
-safe-buffer@5.1.2:
-  version "5.1.2"
-  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
-  integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
-
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-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
-  integrity sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==
-
-send@0.17.1:
-  version "0.17.1"
-  resolved "https://registry.yarnpkg.com/send/-/send-0.17.1.tgz#c1d8b059f7900f7466dd4938bdc44e11ddb376c8"
-  integrity sha512-BsVKsiGcQMFwT8UxypobUKyv7irCNRHk1T0G680vk88yf6LBByGcZJOTJCrTP2xVN6yI+XjPJcNuE3V4fT9sAg==
-  dependencies:
-    debug "2.6.9"
-    depd "~1.1.2"
-    destroy "~1.0.4"
-    encodeurl "~1.0.2"
-    escape-html "~1.0.3"
-    etag "~1.8.1"
-    fresh "0.5.2"
-    http-errors "~1.7.2"
-    mime "1.6.0"
-    ms "2.1.1"
-    on-finished "~2.3.0"
-    range-parser "~1.2.1"
-    statuses "~1.5.0"
-
-serve-static@1.14.1:
-  version "1.14.1"
-  resolved "https://registry.yarnpkg.com/serve-static/-/serve-static-1.14.1.tgz#666e636dc4f010f7ef29970a88a674320898b2f9"
-  integrity sha512-JMrvUwE54emCYWlTI+hGrGv5I8dEwmco/00EvkzIIsR7MqrHonbD9pO2MOfFnpFntl7ecpZs+3mW+XbQZu9QCg==
-  dependencies:
-    encodeurl "~1.0.2"
-    escape-html "~1.0.3"
-    parseurl "~1.3.3"
-    send "0.17.1"
-
-setprototypeof@1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.1.1.tgz#7e95acb24aa92f5885e0abef5ba131330d4ae683"
-  integrity sha512-JvdAWfbXeIGaZ9cILp38HntZSFSo3mWg6xGcJJsd+d4aRMOqauag1C63dJfDw7OaMYwEbHMOxEZ1lqVRYP2OAw==
-
-"statuses@>= 1.5.0 < 2", statuses@~1.5.0:
-  version "1.5.0"
-  resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.5.0.tgz#161c7dac177659fd9811f43771fa99381478628c"
-  integrity sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow=
-
-toidentifier@1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/toidentifier/-/toidentifier-1.0.0.tgz#7e1be3470f1e77948bc43d94a3c8f4d7752ba553"
-  integrity sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw==
-
-type-is@~1.6.17, type-is@~1.6.18:
-  version "1.6.18"
-  resolved "https://registry.yarnpkg.com/type-is/-/type-is-1.6.18.tgz#4e552cd05df09467dcbc4ef739de89f2cf37c131"
-  integrity sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==
-  dependencies:
-    media-typer "0.3.0"
-    mime-types "~2.1.24"
-
 typescript@^4.0.5:
   version "4.0.5"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.0.5.tgz#ae9dddfd1069f1cb5beb3ef3b2170dd7c1332389"
   integrity sha512-ywmr/VrTVCmNTJ6iV2LwIrfG1P+lv6luD8sUJs+2eI9NLGigaN+nUQc13iHqisq7bra9lnmUSYqbJvegraBOPQ==
-
-unpipe@1.0.0, unpipe@~1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
-  integrity sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw=
-
-utils-merge@1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
-  integrity sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM=
-
-vary@~1.1.2:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
-  integrity sha1-IpnwLG3tMNSllhsLn3RSShj2NPw=

typings/pluginapi.d.ts

@@ -1,8 +1,12 @@
 /**
  * This file describes the code-server plugin API for adding new applications.
  */
-import { Logger } from "@coder/logger"
+import { field, Level, Logger } from "@coder/logger"
 import * as express from "express"
+import * as expressCore from "express-serve-static-core"
+import ProxyServer from "http-proxy"
+import * as net from "net"
+import Websocket from "ws"
 
 /**
  * Overlay
@@ -78,6 +82,75 @@ import * as express from "express"
  * ]
  */
 
+export enum HttpCode {
+  Ok = 200,
+  Redirect = 302,
+  NotFound = 404,
+  BadRequest = 400,
+  Unauthorized = 401,
+  LargePayload = 413,
+  ServerError = 500,
+}
+
+export declare class HttpError extends Error {
+  constructor(message: string, status: HttpCode, details?: object)
+}
+
+export interface WebsocketRequest extends express.Request {
+  ws: net.Socket
+  head: Buffer
+}
+
+export type WebSocketHandler = (
+  req: WebsocketRequest,
+  res: express.Response,
+  next: express.NextFunction,
+) => void | Promise<void>
+
+export interface WebsocketRouter {
+  readonly router: express.Router
+  ws(route: expressCore.PathParams, ...handlers: WebSocketHandler[]): void
+}
+
+/**
+ * Create a router for websocket routes.
+ */
+export function WsRouter(): WebsocketRouter
+
+/**
+ * The websocket server used by code-server.
+ */
+export const wss: Websocket.Server
+
+/**
+ * The Express import used by code-server.
+ *
+ * Re-exported so plugins don't have to import duplicate copies of Express and
+ * to avoid potential version differences or issues caused by running separate
+ * instances.
+ */
+export { express }
+/**
+ * Use to add a field to a log.
+ *
+ * Re-exported so plugins don't have to import duplicate copies of the logger.
+ */
+export { field, Level, Logger }
+
+/**
+ * code-server's proxy server.
+ */
+export const proxy: ProxyServer
+
+/**
+ * Replace variables in HTML: TO, BASE, CS_STATIC_BASE, and OPTIONS.
+ */
+export function replaceTemplates<T extends object>(
+  req: express.Request,
+  content: string,
+  extraOpts?: Omit<T, "base" | "csStaticBase" | "logLevel">,
+): string
+
 /**
  * Your plugin module must have a top level export "plugin" that implements this interface.
  *
@@ -125,6 +198,11 @@ export interface Plugin {
    */
   init(config: PluginConfig): void
 
+  /**
+   * Called when the plugin should dispose/shutdown everything.
+   */
+  deinit?(): Promise<void>
+
   /**
    * Returns the plugin's router.
    *
@@ -134,6 +212,15 @@ export interface Plugin {
    */
   router?(): express.Router
 
+  /**
+   * Returns the plugin's websocket router.
+   *
+   * Mounted at <code-sever-root>/<plugin-path>
+   *
+   * If not present, the plugin provides no websockets.
+   */
+  wsRouter?(): WebsocketRouter
+
   /**
    * code-server uses this to collect the list of applications that
    * the plugin can currently provide.
@@ -156,6 +243,13 @@ export interface PluginConfig {
    * All plugin logs should be logged via this logger.
    */
   readonly logger: Logger
+
+  /**
+   * This can be specified by the user on the command line. Plugins should
+   * default to this directory when applicable. For example, the Jupyter plugin
+   * uses this to launch in this directory.
+   */
+  readonly workingDirectory?: string
 }
 
 /**

yarn.lock

@@ -2990,6 +2990,11 @@ eslint-config-prettier@^6.0.0:
   dependencies:
     get-stdin "^6.0.0"
 
+eslint-import-resolver-alias@^1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/eslint-import-resolver-alias/-/eslint-import-resolver-alias-1.1.2.tgz#297062890e31e4d6651eb5eba9534e1f6e68fc97"
+  integrity sha512-WdviM1Eu834zsfjHtcGHtGfcu+F30Od3V7I9Fi57uhBEwPkjDcii7/yW8jAT+gOhn4P/vOxxNAXbFAKsrrc15w==
+
 eslint-import-resolver-node@^0.3.4:
   version "0.3.4"
   resolved "https://registry.yarnpkg.com/eslint-import-resolver-node/-/eslint-import-resolver-node-0.3.4.tgz#85ffa81942c25012d8231096ddf679c03042c717"