49 lines
1.7 KiB
TypeScript
49 lines
1.7 KiB
TypeScript
import { Injectable } from '@angular/core';
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import { ActivatedRouteSnapshot, CanActivate, Router, RouterStateSnapshot, UrlTree } from '@angular/router';
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import { Observable } from 'rxjs';
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import { environment } from 'src/environments/environment';
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import jwt_decode from 'jwt-decode';
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import { ApiBackService } from './api-back.service';
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import { TokenService } from './token.service';
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@Injectable({
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providedIn: 'root'
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})
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export class AuthGuard implements CanActivate {
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private tokenKey: string;
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constructor(private router: Router, private tokenService : TokenService){
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this.tokenKey = environment.tokenKey;
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}
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canActivate(
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route: ActivatedRouteSnapshot,
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state: RouterStateSnapshot): Observable<boolean | UrlTree> | Promise<boolean | UrlTree> | boolean | UrlTree {
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const token = localStorage.getItem(this.tokenKey);
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if(token) {
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const decodedToken = jwt_decode<any>(token);
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console.log('decodedToken : ', decodedToken);
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if(decodedToken.exp) {
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console.log('Date d\'exp decodedToken : ', decodedToken.exp);
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const dateExp = new Date(decodedToken.exp * 1000);
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if(new Date() >= dateExp) {
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// le token a expiré, je n'autorise pas l'accès
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this.tokenService.destroyToken(this.tokenKey);
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this.router.navigate(['signin']);
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return false;
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}
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}
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console.log("C'est ok ! ")
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return true;
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} else {
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console.log("You shall not pass !!!!")
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this.router.navigate(['signin']); // redirection de notre utilisateur vers une url de notre application (dans notre code TS)
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return false;
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}
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}
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}
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