40 lines
956 B
TypeScript
40 lines
956 B
TypeScript
import {
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Injectable,
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CanActivate,
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ExecutionContext,
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ForbiddenException,
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} from '@nestjs/common';
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import { Reflector } from '@nestjs/core';
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import { ROLES_KEY } from './roles.decorator';
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import { UserRole } from './dto/auth.dto';
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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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if (!requiredRoles) {
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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?.role) {
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throw new ForbiddenException('Insufficient permissions (no role)');
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}
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const hasRole = requiredRoles.some((role) => user.role === role);
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if (hasRole) {
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return true;
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}
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throw new ForbiddenException('You do not have the required role');
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}
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}
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