34 lines
976 B
TypeScript
34 lines
976 B
TypeScript
import { BadRequestException, CanActivate, ExecutionContext, ForbiddenException, Injectable } from '@nestjs/common';
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import { Reflector } from '@nestjs/core';
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import { Role } from 'src/auth/role.enum';
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import { User } from 'src/user/entities/user.entity';
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@Injectable()
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export class RolesGuard implements CanActivate {
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constructor(
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private reflector: Reflector,
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) { }
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async canActivate(context: ExecutionContext): Promise<boolean> {
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const requiredRoles = this.reflector.getAllAndOverride<Role[] | undefined>('roles', [
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context.getHandler(),
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context.getClass(),
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]);
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if (!requiredRoles) return true;
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const request = context.switchToHttp().getRequest();
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const user = request.user as (User | void);
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if (!user) {
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throw new BadRequestException('服务器内部错误');
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}
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if (!requiredRoles.some(role => user.roles.includes(role))) {
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throw new ForbiddenException('权限不足');
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}
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return true;
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}
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}
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