// Adapt URL-passed auth into basic HTTP auth for QGIS compatibility.

const express = require('express');
const request = require('request');

const app = express();
const port = 8356;

const reqOpts = {
    method: 'GET',
    headers: {
        Authorization: ''
    },
    url: 'http://localhost:8355',
    timeout: 1200000 // 20 minutes
}

app.all(/.*/, (req, res) => {
    // Verify Inputs
    if (!req.query.auth) {
        res.status(401).send('Unauthorized');
        return;
    }
    let hazePwHash = null;
    let hazeUser = null;
    if (req.query.auth) {
        request({
            ...reqOpts,
            url: reqOpts.url + req.baseUrl,
            headers: {
                Authorization: `Basic ${req.query.auth}`
            }
        }, (error, response, body) => {
            if (error) {
                res.status(500).send('Internal Server Error');
                return;
            } else if (response.statusCode !== 200) {
                res.status(response.statusCode).send(body);
                return;
            } else {
                res.setHeader('Content-Type', 'application/json');
                res.send(body);
            }
        })
    }
});

app.listen(port, () => {
    console.log(`Server is running on http://localhost:${port}`);
});