Added basic login.

src/web/error.js

@@ -0,0 +1,26 @@
+import argv from '../argv.js';
+import initLogger from '../logger.js';
+
+const logger = initLogger();
+
+export default function errorHandler(error, req, res, _next) {
+	logger.warn(`Failed to fulfill request to ${req.path} (${error.httpCode || 500}): ${error.message}`);
+
+	if (argv.debug) {
+		logger.error(error);
+	}
+
+	if (error.httpCode) {
+		res.status(error.httpCode).send({
+			statusCode: error.httpCode,
+			statusMessage: error.message,
+		});
+
+		return;
+	}
+
+	res.status(500).send({
+		statusCode: 500,
+		statusMessage: 'Oops... our server messed up. We will be investigating this incident, our apologies for the inconvenience.',
+	});
+}