feat: bring back static hook timeout

src/plugins/hooks.js

@@ -165,10 +165,14 @@ async function fireStaticHook(hook, hookList, params) {
 			if (hookFn.constructor && hookFn.constructor.name !== 'AsyncFunction') {
 				hookFn = util.promisify(hookFn);
 			}
+
 			try {
 				// eslint-disable-next-line
-				await hookFn(params);
+				await timeout(hookFn(params), 5000, 'timeout');
 			} catch (err) {
+				if (err && err.message === 'timeout') {
+					winston.warn(`[plugins] Callback timed out, hook '${hook}' in plugin '${hookObj.id}'`);
+				} else {
 					winston.error(`[plugins] Error executing '${hook}' in plugin '${hookObj.id}'\n${err.stack}`);
 					if (!noErrorHooks.includes(hook)) {
 						throw err;
@@ -176,8 +180,20 @@ async function fireStaticHook(hook, hookList, params) {
 				}
 			}
 		}
+	}
 }
 
+// https://advancedweb.hu/how-to-add-timeout-to-a-promise-in-javascript/
+const timeout = (prom, time, error) => {
+	let timer;
+	return Promise.race([
+		prom,
+		new Promise((resolve, reject) => {
+			timer = setTimeout(reject, time, new Error(error));
+		}),
+	]).finally(() => clearTimeout(timer));
+};
+
 async function fireResponseHook(hook, hookList, params) {
 	if (!Array.isArray(hookList) || !hookList.length) {
 		return;

test/plugins.js

@@ -135,6 +135,21 @@ describe('Plugins', () => {
 		});
 	});
 
+	it('should register and timeout a static hook returning a promise but takes too long', (done) => {
+		async function method(data) {
+			assert.equal(data.bar, 'test');
+			return new Promise((resolve) => {
+				setTimeout(resolve, 6000);
+			});
+		}
+		plugins.hooks.register('test-plugin', { hook: 'static:test.hook', method: method });
+		plugins.hooks.fire('static:test.hook', { bar: 'test' }, (err) => {
+			assert.ifError(err);
+			plugins.hooks.unregister('test-plugin', 'static:test.hook', method);
+			done();
+		});
+	});
+
 	it('should get plugin data from nbbpm', (done) => {
 		plugins.get('nodebb-plugin-markdown', (err, data) => {
 			assert.ifError(err);