Add auto update component

.gitignore

@@ -1,3 +1,4 @@
 .idea
 node_modules
-dist
+dist
+yarn-error.log

config/default.ts

@@ -4,6 +4,7 @@ export default {
     public_url: "http://localhost:4899",
     public_websocket_url: "ws://localhost:4899",
     port: 4899,
+    gitlab_webhook_token: 'secret',
     mysql: {
         connectionLimit: 10,
         host: "localhost",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "wms-core",
-  "version": "0.4.24",
+  "version": "0.4.25",
   "description": "Node web framework",
   "repository": "git@gitlab.com:ArisuOngaku/wms-core.git",
   "author": "Alice Gaudon <alice@gaudon.pro>",

src/components/AutoUpdateComponent.ts

@@ -0,0 +1,53 @@
+import {Express, Router} from "express";
+import config from "config";
+import * as child_process from "child_process";
+import ApplicationComponent from "../ApplicationComponent";
+import {ForbiddenHttpError} from "../HttpError";
+import Logger from "../Logger";
+
+const ROUTE = '/update/push.json';
+
+export default class AutoUpdateComponent extends ApplicationComponent<void> {
+    public async start(app: Express, router: Router): Promise<void> {
+        router.post(ROUTE, (req, res, next) => {
+            const token = req.header('X-Gitlab-Token');
+            if (!token || token !== config.get<string>('gitlab_webhook_token')) throw new ForbiddenHttpError('Invalid token', req.url);
+
+            this.update(req.body.checkout_sha)
+                .catch(Logger.error);
+
+            res.json({
+                'status': 'ok',
+            });
+        });
+    }
+
+    public async stop(): Promise<void> {
+    }
+
+    private async update(checkout_sha: string) {
+        await this.app!.stop();
+
+        try {
+            Logger.info('Starting auto update...');
+
+            // Checkout new source
+            await this.runCommand(`git checkout ${checkout_sha}`);
+
+            // Install new dependencies
+            await this.runCommand(`yarn install --production=false`);
+
+            // Process assets
+            await this.runCommand(`yarn dist`);
+
+            Logger.info('Success!');
+        } catch (e) {
+            Logger.error(e, 'An error occurred while running the auto update.');
+        }
+    }
+
+    private async runCommand(command: string) {
+        Logger.info(`> ${command}`);
+        Logger.info(child_process.execSync(command).toString());
+    }
+}