45 lines
1.2 KiB
TypeScript
45 lines
1.2 KiB
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 '../decorators/roles.decorator';
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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<string[]>(
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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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// 如果没有设置角色要求，允许访问
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return true;
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}
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const request = context.switchToHttp().getRequest<{
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user?: { role: string };
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}>();
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const user = request.user;
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if (!user) {
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throw new ForbiddenException('未授权访问');
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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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throw new ForbiddenException(
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`需要以下角色之一：${requiredRoles.join('、')}`,
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);
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}
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return true;
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}
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}
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