budibase/packages/server/api/controllers/auth.js

51 lines
1.4 KiB
JavaScript

const jwt = require("jsonwebtoken");
const CouchDB = require("../../db");
const bcrypt = require("../../utilities/bcrypt");
exports.authenticate = async ctx => {
const { username, password } = ctx.request.body;
if (!username) ctx.throw(400, "Username Required.");
if (!password) ctx.throw(400, "Password Required");
// TODO: Don't use this. It can't be relied on
const referer = ctx.request.headers.referer.split("/");
const appId = referer[3];
// find the instance that the user is associated with
const db = new CouchDB(`client-${process.env.CLIENT_ID}`);
const app = await db.get(appId);
const instanceId = app.userInstanceMap[username];
if (!instanceId) ctx.throw(500, "User is not associated with an instance of app", appId)
// Check the user exists in the instance DB by username
const instanceDb = new CouchDB(instanceId);
const { rows } = await instanceDb.query("database/by_username", {
include_docs: true,
username
});
if (rows.length === 0) ctx.throw(500, `User does not exist.`);
const dbUser = rows[0].doc;
// authenticate
if (await bcrypt.compare(password, dbUser.password)) {
const payload = {
userId: dbUser._id,
accessLevel: "",
instanceId: instanceId
};
const token = jwt.sign(payload, ctx.config.secret, {
expiresIn: "1 day"
});
ctx.body = {
token,
...dbUser
};
} else {
ctx.throw(401, "Invalid credentials.");
}
}