# 多租户域名路由：解析当前请求域名对应的租户/分销商
env = request._run_ns
host = request.headers.get('X-Forwarded-Host') or request.host
host = host.split(':')[0]
try:
    rec = await env.get_domain_by_host(request, host)
except Exception as e:
    return json.dumps({'success': False, 'domain': host, 'error': str(e)}, ensure_ascii=False)
if rec:
    result = {'success': True, 'domain': host, 'resellerid': rec.resellerid, 'orgid': rec.orgid}
else:
    result = {'success': False, 'domain': host, 'error': 'Domain not found'}
return json.dumps(result, ensure_ascii=False)