Files
github-stats-extended/backend/api-renamed/downgrade.js
T

75 lines
2.0 KiB
JavaScript

import { hasPrivateAccess, getUserToken, deleteUser } from "../src/common/database.js";
import axios from "axios";
import { logger } from "../src/index.js";
export default async (req, res) => {
// We could optimize this method by doing all 3 database operations in one statement, using "DELETE ... RETURNING ..."
const { user_key } = req.query;
if (!user_key) {
res.statusCode = 400;
res.send("missing user_key");
return;
}
if (
!process.env.OAUTH_CLIENT_ID ||
!process.env.OAUTH_CLIENT_SECRET ||
!process.env.OAUTH_REDIRECT_URI
) {
throw new Error(
"OAuth Error: One or more required environment variables (OAUTH_CLIENT_ID, OAUTH_CLIENT_SECRET, OAUTH_REDIRECT_URI) are not set.",
);
}
// verify that user has private access
const privateAccess = await hasPrivateAccess(user_key);
if (!privateAccess) {
res.statusCode = 400;
res.send("user does not have private access");
return;
}
// get access token for user
const token = await getUserToken(user_key);
if (!token) {
res.statusCode = 404;
res.send("user not found");
return;
}
// delete existing app authorization via GitHub API
try {
await axios.delete(
`https://api.github.com/applications/${process.env.OAUTH_CLIENT_ID}/grant`,
{
auth: {
username: process.env.OAUTH_CLIENT_ID,
password: process.env.OAUTH_CLIENT_SECRET,
},
data: { access_token: token },
headers: {
Accept: "application/vnd.github+json",
},
},
);
} catch (err) {
logger.error(err);
res.statusCode = 500;
res.send("Failed to delete GitHub authorization with private access");
return;
}
await deleteUser(user_key);
// redirect to GitHub OAuth for public access
const params = new URLSearchParams({
client_id: process.env.OAUTH_CLIENT_ID,
redirect_uri: process.env.OAUTH_REDIRECT_URI,
}).toString();
res.statusCode = 302;
res.setHeader("Location", `https://github.com/login/oauth/authorize?${params}`);
res.end();
};