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umami/lib/middleware.js

48 lines
955 B
JavaScript

import cors from 'cors';
import { getSession } from './session';
import { getAuthToken } from './auth';
import { unauthorized, badRequest, serverError } from './response';
export function use(middleware) {
return (req, res) =>
new Promise((resolve, reject) => {
middleware(req, res, result => {
if (result instanceof Error) {
return reject(result);
}
return resolve(result);
});
});
}
export const useCors = use(cors());
export const useSession = use(async (req, res, next) => {
let session;
try {
session = await getSession(req);
} catch (e) {
console.error(e);
return serverError(res, e.message);
}
if (!session) {
return badRequest(res);
}
req.session = session;
next();
});
export const useAuth = use(async (req, res, next) => {
const token = await getAuthToken(req);
if (!token) {
return unauthorized(res);
}
req.auth = token;
next();
});