25 lines
806 B
TypeScript
25 lines
806 B
TypeScript
import { Injectable, ExecutionContext } 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 {
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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[]>(ROLES_KEY, [
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context.getHandler(),
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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) {
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return false;
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}
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// "viewer" was the old name of a manager; tokens issued before the rename still carry it
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const role = user.role === 'viewer' ? 'manager' : user.role;
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return requiredRoles.includes(role);
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}
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} |