auth guards added

src/common/guards/auth.guard.ts

@@ -0,0 +1,29 @@
+import { CanActivate, ExecutionContext, Injectable, UnauthorizedException } from "@nestjs/common";
+import { JwtService } from "@nestjs/jwt";
+import { Request } from 'express';
+
+
+@Injectable()
+export class AuthGuard implements CanActivate {
+    constructor(private readonly jwtService: JwtService) {}
+
+    async canActivate(context: ExecutionContext): Promise<boolean> {
+        const request = context.switchToHttp().getRequest<Request>();
+        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: process.env.JWT_SECRET },
+            ); 
+            request.user = payload;
+            return true;
+        } catch (error) {
+            throw new UnauthorizedException('Token invalide ou expire');
+        }
+    }
+}

src/types/express/index.d.ts

@@ -0,0 +1,7 @@
+import { Users } from 'src/entities/users.entity';
+
+declare module 'express-serve-static-core' {
+  interface Request {
+    user?: Users | any;
+  }
+}