Files
cgrates/agents/libjanusagent.go

89 lines
2.8 KiB
Go

/*
Real-time Online/Offline Charging System (OCS) for Telecom & ISP environments
Copyright (C) ITsysCOM GmbH
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>
*/
package agents
import (
"encoding/json"
"net/http"
"net/http/httputil"
"github.com/cgrates/cgrates/utils"
)
// janusAccessControlHeaders will add the necessary access control headers
func janusAccessControlHeaders(w http.ResponseWriter, req *http.Request) {
if origin := req.Header.Get("Origin"); origin != "" {
w.Header().Set("Access-Control-Allow-Origin", origin)
w.Header().Set("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT, DELETE")
w.Header().Set("Access-Control-Allow-Headers", "Accept, Accept-Language, Content-Type")
}
}
// newJanusHTTPjsonDP is the constructor for janusHTTPjsonDP struct
func newJanusHTTPjsonDP(req *http.Request) (utils.DataProvider, error) {
jHj := &janusHTTPjsonDP{req: req, cache: utils.MapStorage{}}
if err := json.NewDecoder(req.Body).Decode(&jHj.reqBody); err != nil {
return nil, err
}
return jHj, nil
}
// janusHTTPjsonDP implements utils.DataProvider, serving as JSON data decoder
// decoded data is only searched once and cached
type janusHTTPjsonDP struct {
req *http.Request
reqBody map[string]interface{} // unmarshal JSON body here
cache utils.MapStorage
}
// String is part of utils.DataProvider interface
// when called, it will display the already parsed values out of cache
func (jHj *janusHTTPjsonDP) String() string {
byts, _ := httputil.DumpRequest(jHj.req, true)
return string(byts)
}
// FieldAsInterface is part of utils.DataProvider interface
func (jHj *janusHTTPjsonDP) FieldAsInterface(fldPath []string) (data any, err error) {
if len(fldPath) != 1 {
return nil, utils.ErrNotFound
}
if data, err = jHj.cache.FieldAsInterface(fldPath); err != nil {
if err != utils.ErrNotFound { // item found in cache
return
}
err = nil // cancel previous err
} else {
return // data found in cache
}
data = jHj.reqBody[fldPath[0]]
jHj.cache.Set(fldPath, data)
return
}
// FieldAsString is part of utils.DataProvider interface
func (jHj *janusHTTPjsonDP) FieldAsString(fldPath []string) (data string, err error) {
var valIface any
valIface, err = jHj.FieldAsInterface(fldPath)
if err != nil {
return
}
return utils.IfaceAsString(valIface), nil
}