39 lines
1.0 KiB
TypeScript
39 lines
1.0 KiB
TypeScript
import { Injectable, CanActivate, ExecutionContext } from '@nestjs/common';
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import { Reflector } from '@nestjs/core';
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import { ROLES_KEY, UserRole } from '../decorators/roles.decorator';
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/**
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* Guard para verificar roles de usuario.
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* Usar junto con @Roles() decorator.
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*
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* @example
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* @Roles(UserRole.ADMIN)
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* @UseGuards(JwtAuthGuard, RolesGuard)
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* @Controller('admin')
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* export class AdminController {}
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*/
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@Injectable()
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export class RolesGuard implements CanActivate {
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constructor(private reflector: Reflector) {}
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canActivate(context: ExecutionContext): boolean {
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const requiredRoles = this.reflector.getAllAndOverride<UserRole[]>(
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ROLES_KEY,
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[context.getHandler(), context.getClass()],
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);
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// Si no hay roles definidos, permitir acceso
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if (!requiredRoles || requiredRoles.length === 0) {
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return true;
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}
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const { user } = context.switchToHttp().getRequest();
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if (!user || !user.role) {
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return false;
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}
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return requiredRoles.includes(user.role);
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}
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}
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