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import AutoreportBase from "./AutoreportBase";
import axios from "axios";
import { readFileSync, writeFileSync } from "node:fs";
import { randomBytes } from "crypto";
export default class Authentication extends AutoreportBase {
public static getToken(token) {
let tokens = JSON.parse(readFileSync(AutoreportBase.getRoot() + "/data/tokens.json").toString());
if (Object.keys(tokens).includes(token) && new Date(tokens[token].date).getTime() - new Date().getTime() <= 31000000) {
return tokens[token].info;
} else {
return false;
}
}
private static saveToken(userInfo) {
let tokens = JSON.parse(readFileSync(AutoreportBase.getRoot() + "/data/tokens.json").toString());
let token = randomBytes(64).toString("base64url");
tokens[token] = {
date: new Date().getTime(),
info: userInfo
};
writeFileSync(AutoreportBase.getRoot() + "/data/tokens.json", JSON.stringify(tokens));
return token;
}
public static startFlow(req, res) {
res.redirect(`${AutoreportBase.config.authentication.server}/api/rest/oauth2/auth?client_id=${AutoreportBase.config.authentication.id}&response_type=code&redirect_uri=${AutoreportBase.config.authentication.redirect}&scope=Hub&request_credentials=default&access_type=offline`);
}
public static checkAuthentication(req) {
let _cookies = req.headers.cookie ?? "";
let _tokens = _cookies.split(";").map(i => i.trim().split("=")).filter(i => i[0] === "AutoreportToken");
let __tokens = _tokens[0] ?? [];
let token = __tokens[1] ?? null;
return !(!token || !this.getToken(token));
}
public static async callback(req, res) {
if (!req.query.code) {
res.redirect("/");
}
let token = (await axios.post(`${AutoreportBase.config.authentication.server}/api/rest/oauth2/token`, `grant_type=authorization_code&redirect_uri=${encodeURIComponent(AutoreportBase.config.authentication.redirect)}&code=${req.query.code}`, {
headers: {
'Authorization': `Basic ${Buffer.from(`${AutoreportBase.config.authentication.id}:${AutoreportBase.config.authentication.secret}`).toString("base64")}`,
'Accept': "application/json",
'Content-Type': "application/x-www-form-urlencoded"
}
})).data.access_token;
let userInfo = (await axios.get(`${AutoreportBase.config.authentication.server}/api/rest/users/me`, {
headers: {
'Authorization': `Bearer ${token}`,
'Accept': "application/json"
}
})).data;
let userToken = Authentication.saveToken(userInfo);
res.cookie('AutoreportToken', userToken, { maxAge: 31000000, httpOnly: true });
res.redirect("/");
}
public static testEndpoint(req, res) {
if (Authentication.checkAuthentication(req)) {
res.send("Authenticated");
} else {
res.send("NOT authenticated");
}
}
public static protectedAPI(req, res, next) {
if ([null, undefined, ""].includes(req.get("authorization"))) {
return res.status(401).json({
code: 401,
message: "Please provide an Authorization header."
});
}
if (req.get("authorization") !== AutoreportBase.config.api.token) {
return res.status(403).json( {
code: 403,
message: "You do not have permission to use this endpoint."
});
}
next();
}
}
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