Update

backend/app/config/mongodb.config.js

@@ -0,0 +1,3 @@
+module.exports = {
+  url: "mongodb://127.0.0.1:27017/polynotfound"
+};

backend/app/config/response.config.js

@@ -0,0 +1,9 @@
+function sendMessage (res, successCode, data) {
+  return res.status(200).json({ status: 'success', successCode: successCode, data: data });
+}
+
+function sendError (res, statusCode, errorCode, reason) {
+  return res.status(statusCode).json({ status: 'error', errorCode: errorCode, reason: reason });
+}
+
+module.exports = { sendMessage, sendError };

backend/app/config/sessionJWT.config.js

@@ -0,0 +1,67 @@
+const sessionJWTConfig = require ('jsonwebtoken');
+require('dotenv').config({ path: './app/.env' });
+const {sendError, sendMessage} = require ("./response.config");
+
+if(process.env.JWTRS256_PRIVATE_KEY === undefined || process.env.JWTRS256_PUBLIC_KEY === undefined){
+  console.log('Error Env Variables');
+  process.exit();
+}
+
+console.log('Env variables received');
+const JWTRS256_PRIVATE_KEY = Buffer.from(process.env.JWTRS256_PRIVATE_KEY, 'base64');
+const JWTRS256_PUBLIC_KEY = Buffer.from(process.env.JWTRS256_PUBLIC_KEY, 'base64');
+
+function createSessionJWT (mail) {
+  return sessionJWTConfig.sign(
+    {
+      mail: mail,
+      midExp: Math.floor(Date.now() / 1000) + 1800
+    },
+    JWTRS256_PRIVATE_KEY,
+    {
+      algorithm: 'RS256',
+      expiresIn: '1h'
+    }
+  );
+}
+
+function createSessionCookie(req, res, payload) {
+  let jwtToken;
+  if ((typeof payload.mail !== 'undefined') &&
+    (typeof payload.midExp !== 'undefined') &&
+    (Math.floor(Date.now() / 1000) <= payload.midExp)) {
+    jwtToken = req.headers.cookie;
+  }
+  else {
+    jwtToken = createSessionJWT(payload.mail);
+  }
+  res.cookie('SESSIONID', jwtToken, {httpOnly:true, secure:false});
+}
+module.exports.createSessionCookie = createSessionCookie;
+
+function decodeSessionCookie(sessionid, res) {
+  if (typeof sessionid === 'undefined') {
+    return { mail: -1 };
+  }
+  try {
+    const token = sessionJWTConfig.verify(
+      sessionid,
+      JWTRS256_PUBLIC_KEY,
+      {algorithms: ['RS256']});
+    return sendMessage(res,1,{token: token});
+  }
+  catch (err) {
+    return sendError(res,-1,{mail: -1});
+  }
+}
+module.exports.decodeSessionCookie = decodeSessionCookie;
+
+function getSession (sessionid, res) {
+  return decodeSessionCookie(sessionid, res);
+}
+module.exports.getSession = getSession;
+
+function setSessionCookie (req, res, session) {
+  createSessionCookie(req, res, session);
+}
+module.exports.setSessionCookie = setSessionCookie;