wazuh-kibana-app/public/services/apiReq.js

import chrome from 'ui/chrome';
require('ui/modules')
.get('app/wazuh', [])
.service('apiReq', function ($q, $http, genericReq) {
    return {
        request: (method, path, body) => {
            let defered = $q.defer();

            if (!method || !path || !body) {
                defered.reject({
                    error:   -1,
                    message: 'Missing parameters'
                });
                return defered.promise;
            }

            let requestData = { method, path, body };

            genericReq
                .request('POST', '/api/wazuh-api/request', requestData)
                .then((data) => {
                    if (data.error) {
                        defered.reject(data);
                    } else {
                        defered.resolve(data);
                    }
                })
                .catch((error) => {
                    if (error.error) {
                        defered.reject(error);
                    } else {
                        defered.reject({
                            error:   -2,
                            message: 'Error doing a request to Kibana API.'
                        });
                    }
                });

            return defered.promise;
        }
    };
});