50 lines
1.5 KiB
TypeScript

import { CanActivate, ExecutionContext, Injectable, UnauthorizedException } from "@nestjs/common";
import { Reflector } from "@nestjs/core";
import { JwtService } from "@nestjs/jwt";
import { Request } from 'express';
import { IS_PUBLIC_KEY } from "../decorators/public.decorator";
import { ConfigService } from "@nestjs/config";
@Injectable()
export class AuthGuard implements CanActivate {
constructor(
private readonly jwtService: JwtService,
private readonly reflector: Reflector,
private readonly configService: ConfigService,
) {}
async canActivate(context: ExecutionContext): Promise<boolean> {
const isPublic = this.reflector.getAllAndOverride<boolean>(IS_PUBLIC_KEY, [
context.getHandler(),
context.getClass(),
]);
if (isPublic) return true;
const request = context.switchToHttp().getRequest<Request>();
if (request.path.startsWith('/api-docs')) {
return true;
}
const authHeader = request.headers['authorization'] as string | undefined;
if (!authHeader || !authHeader.startsWith('Bearer ')) {
throw new UnauthorizedException('Token manquant ou invalide');
}
const token = authHeader.split(' ')[1];
try {
const payload = await this.jwtService.verifyAsync(token, {
secret: this.configService.get<string>('jwt.accessSecret'),
});
request.user = {
...payload,
id: payload.sub,
};
return true;
} catch (error) {
throw new UnauthorizedException('Token invalide ou expiré');
}
}
}