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index.js
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index.js
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const express = require("express");
const morgan = require("morgan");
const bodyParser = require("body-parser");
const cors = require("cors");
const mongoose = require("mongoose");
const expressJWT = require("express-jwt");
const app = express();
const config = require("./config/config");
const router = require("./config/routes");
mongoose.connect(config.db);
app.use(morgan("dev"));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));
app.use(express.static(`${__dirname}/public`));
app.use(cors());
app.use("/api", expressJWT({ secret: config.secret })
.unless({
path: [
{ url: "/api/register", methods: ["POST"] },
{ url: "/api/login", methods: ["POST"] },
]
}));
app.use(jwtErrorHandler);
function jwtErrorHandler(err, req, res, next){
if (err.name !== "UnauthorizedError") return next();
return res.status(401).json({ message: "Unauthorized request." });
}
const User = require("./models/user");
const jwt = require("jsonwebtoken");
function assignUser(req, res, next){
let token = getToken(req, res);
if (!token) return next();
const payload = jwt.verify(token, config.secret);
User.findById(payload.id, (err, user) => {
if (err || !user) res.status(500).json({ message: "Invalid JWT provided."});
req.user = user;
return next();
});
}
function getToken(req, res){
if (req.headers.authorization && req.headers.authorization.split(' ')[0] === 'Bearer') {
return req.headers.authorization.split(' ')[1];
} else if (req.query && req.query.token) {
return req.query.token;
}
}
app.use(assignUser);
app.use("/api", router);
app.get("/*", (req, res) => res.sendFile(__dirname + "/index.html"));
app.listen(config.port, () => console.log(`Express started on port: ${config.port}`));
module.exports = app;