Add credentials check and rework request structure

src/models/calendar/events/credentials.service.ts

@@ -0,0 +1,29 @@
+import * as dotenv from 'dotenv';
+
+
+dotenv.config();
+
+export const checkAdminPrivileges = (password: string) => {
+	return password == process.env.ADMIN_CREDENTIAL;
+}
+
+export const checkMemberPrivileges = (password: string) => {
+	return password == process.env.MEMBER_CREDENTIAL;
+}
+
+export const checkManagementPrivileges = (password: string) => {
+	return password == process.env.MANAGEMENT_CREDENTIAL;
+}
+
+export const hasAccess = (calendarName: string, password: string) => {
+	switch (calendarName) {
+		case 'public':
+			return true;
+		case 'members':
+			return checkMemberPrivileges(password);
+		case 'management':
+			return checkManagementPrivileges(password);
+		default:
+			return false;
+	}
+}

src/models/calendar/events/events.router.ts

@@ -5,6 +5,7 @@
 import express, {Request, Response} from 'express';
 import * as EventService from './events.service';
 import * as iCalService from './icalgenerator.service';
+import * as CredentialService from './credentials.service';
 import {Guid} from 'guid-typescript';
 import logger from '../../../middleware/logger';
 
@@ -18,17 +19,39 @@ export const eventsRouter = express.Router();
 /**
  * Constants
  */
-const fileNames = ['Nachklang_calendar', 'Nachklang_internal_calendar', 'Nachklang_management_calendar'];
+export const calendarNames = new Map<string, any> ([
+	['public', {id: 1, name: 'Nachklang_calendar'}],
+	['members', {id: 2, name: 'Nachklang_internal_calendar'}],
+	['management', {id: 3, name: 'Nachklang_management_calendar'}]
+]);
 
 
 /**
  * Controller Definitions
  */
 
-eventsRouter.get('/json', async (req: Request, res: Response) => {
+eventsRouter.get('/:calendar/json', async (req: Request, res: Response) => {
 	try {
 		// Get request params
-		let calendarId: number = parseInt(req.query.calendar as string ?? '', 10);
+		let calendarName: string = req.params.calendar as string ?? '';
+		let password: string = req.query.password as string ?? '';
+
+		if (calendarName.length < 1) {
+			res.status(401).send({'message': 'Please state the name of the calendar you want events from.'});
+			return;
+		}
+
+		if(!Array.from(calendarNames.keys()).includes(calendarName)) {
+			res.status(401).send({'message': 'Unknown calendar.'});
+			return;
+		}
+
+		let calendarId: number = calendarNames.get(calendarName)!.id;
+
+		if (!CredentialService.hasAccess(calendarName, password)) {
+			res.status(401).send({'message': 'You do not have access to the specified calendar.'});
+			return;
+		}
 
 		// Get events
 		let events = await EventService.getAllEvents(calendarId);
@@ -37,20 +60,38 @@ eventsRouter.get('/json', async (req: Request, res: Response) => {
 		res.status(200).send(events);
 	} catch (e: any) {
 		console.log('Error handling a request: ' + e.message);
-		res.status(500).send(JSON.stringify({'message': 'Internal Server Error. Try again later.'}));
+		res.status(500).send({'message': 'Internal Server Error. Try again later.'});
 	}
 });
 
-eventsRouter.get('/ical', async (req: Request, res: Response) => {
+eventsRouter.get('/:calendar/ical', async (req: Request, res: Response) => {
 	try {
 		// Get request params
-		let calendarId: number = parseInt(req.query.calendar as string ?? '', 10);
+		let calendarName: string = req.params.calendar as string ?? '';
+		let password: string = req.query.password as string ?? '';
+
+		if (calendarName.length < 1) {
+			res.status(401).send({'message': 'Please state the name of the calendar you want events from.'});
+			return;
+		}
+
+		if(!Array.from(calendarNames.keys()).includes(calendarName)) {
+			res.status(401).send({'message': 'Unknown calendar.'});
+			return;
+		}
+
+		let calendarId: number = calendarNames.get(calendarName)!.id;
+
+		if (!CredentialService.hasAccess(calendarName, password)) {
+			res.status(401).send({'message': 'You do not have access to the specified calendar.'});
+			return;
+		}
 
 		// Get events
 		let events = await EventService.getAllEvents(calendarId);
 
 		// generate file name
-		let fileName = fileNames[calendarId];
+		let fileName = calendarNames.get(calendarName)!.name;
 		let file = await iCalService.convertToIcal(events);
 
 		// Send the ical file back
@@ -59,7 +100,6 @@ eventsRouter.get('/ical', async (req: Request, res: Response) => {
 	} catch (e: any) {
 		let errorGuid = Guid.create().toString();
 		logger.error('Error handling a request: ' + e.message, {reference: errorGuid});
-		logger.error('Stacktrace: ' + e.stack, {reference: errorGuid});
 		res.status(500).send({
 			'status': 'PROCESSING_ERROR',
 			'message': 'Internal Server Error. Try again later.',

src/models/calendar/events/icalgenerator.service.ts

@@ -49,7 +49,7 @@ const serializeIcalEvent = (icalevent: iCalEvent): string => {
 const generateHeaderInfo = (ical: iCalFile) => {
 	ical.header = 'BEGIN:VCALENDAR\n' +
 		'VERSION:2.0\n' +
-		'PRODID:-//hacksw/handcal//NONSGML v1.0//EN\n' +
+		'PRODID:-//Nachklang e.V./Nachklang Calendar//NONSGML v1.0//EN\n' +
 		'CALSCALE:GREGORIAN\n' +
 		'BEGIN:VTIMEZONE\n' +
 		'TZID:Europe/Berlin\n' +