65 lines
2.0 KiB
TypeScript
65 lines
2.0 KiB
TypeScript
import { inject } from '@angular/core';
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import {
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ActivatedRouteSnapshot,
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Router,
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RouterStateSnapshot,
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CanActivateFn,
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UrlTree,
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RedirectCommand
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} from '@angular/router';
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import { ContextService, HttpService, SessionStorageService } from '../services';
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/**
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* Guard to validate the access to a room.
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*/
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export const validateRoomAccessGuard: CanActivateFn = async (
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_route: ActivatedRouteSnapshot,
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state: RouterStateSnapshot
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) => {
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const httpService = inject(HttpService);
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const contextService = inject(ContextService);
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const router = inject(Router);
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const sessionStorageService = inject(SessionStorageService);
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const roomId = contextService.getRoomId();
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const participantName = contextService.getParticipantName();
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const secret = contextService.getSecret();
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const storageSecret = sessionStorageService.getModeratorSecret(roomId);
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try {
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// Generate a participant token
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const response = await httpService.generateParticipantToken({
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roomId,
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participantName,
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secret: storageSecret || secret
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});
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contextService.setParticipantToken(response.token);
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return true;
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} catch (error: any) {
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console.error('Error generating participant token:', error);
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switch (error.status) {
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case 400:
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// Invalid secret
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return redirectToErrorPage(router, 'invalid-secret');
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case 404:
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// Room not found
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return redirectToErrorPage(router, 'invalid-room');
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case 409:
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// Participant already exists.
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// Send a timestamp to force update the query params and show the error message in participant name input form
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const participantNameRoute = router.createUrlTree([`room/${roomId}/participant-name`], {
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queryParams: { originUrl: state.url, accessError: 'participant-exists', t: Date.now() }
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});
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return new RedirectCommand(participantNameRoute, {
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skipLocationChange: true
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});
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default:
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return redirectToErrorPage(router, 'internal-error');
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}
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}
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};
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const redirectToErrorPage = (router: Router, reason: string): UrlTree => {
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return router.createUrlTree(['error'], { queryParams: { reason } });
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};
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