func (a *UpdateAction) Do(n notices.Notice) (err error) {
// A litle (or very) dirty. Add "hidden" parameters as notification data
// and remove them after executing template (better copy first level fields in a new map?)
n["__attrName"] = a.ActionData.Parameters["name"]
n["__attrValue"] = a.ActionData.Parameters["value"]
n["__attrType"] = a.ActionData.Parameters["type"]
text := util.ExpandFromMap(updateTemplateText, n)
mylog.Debug("UpdateAction text to send:", text)
delete(n, "__attrName")
delete(n, "__attrValue")
delete(n, "__attrType")
req, err := http.NewRequest("POST", config.UpdateEndpoint(), strings.NewReader(text))
if err != nil {
mylog.Alert("UpdateAction.Do", err)
}
req.Header.Add("Content-Type", "application/json")
resp, err := httpClient.Do(req)
if err != nil {
mylog.Alert("UpdateAction.Do", err)
return err
}
respDump, err := httputil.DumpResponse(resp, true)
mylog.Debugf("UpdateAction.Do server response: (%q,%v)\n", string(respDump), err)
return err
}
func (a *SMSAction) Do(n notices.Notice) (err error) {
if mylog.Debugging {
defer func() { mylog.Debugf("exit SMSAction.Do %+v", err) }()
}
text := util.ExpandFromMap(a.ActionData.Template, n)
mylog.Debug("SMSAction text to send:", text)
msg := fmt.Sprintf(`{"to":["tel:%s"], "message": %q}`, a.Parameters["to"], text)
mylog.Debug("SMSAction msg to send:", msg)
req, err := http.NewRequest("POST", config.SMSEndpoint(), strings.NewReader(msg))
if err != nil {
mylog.Alert("SMSAction.Do", err)
}
req.Header.Add("API_KEY", config.APIKey())
req.Header.Add("API_SECRET", config.APISecret())
req.Header.Add("Content-Type", "application/json")
mylog.Debug("SMSAction.Do msg:", msg)
resp, err := httpClient.Do(req)
if err != nil {
mylog.Alert("SMSAction.Do", err)
return err
}
respDump, err := httputil.DumpResponse(resp, true)
mylog.Debugf("SMSAction.Do server response: (%q,%v)\n", string(respDump), err)
return err
}
func (rs *controller) Post(w http.ResponseWriter, request *http.Request, p httprouter.Params) {
defer request.Body.Close()
data, err := ioutil.ReadAll(request.Body)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
var rule Rule
err = json.Unmarshal(data, &rule)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
err = Save(&rule)
if err != nil {
if mgo.IsDup(err) {
http.Error(w, err.Error(), http.StatusBadRequest)
} else {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
return
}
axn, err := rule.GetAction()
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
actions.Add(axn)
req, err := http.NewRequest("POST", config.RuleEndpoint(), strings.NewReader(rule.EPL))
if err != nil {
mylog.Alert("rule controller POST", err)
}
resp, err := httpClient.Do(req)
if err != nil {
mylog.Alert("rule controller POST", err, resp)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
if resp.StatusCode/100 != 2 {
mylog.Alert("rule controller POST", resp.Status)
http.Error(w, resp.Status, http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusCreated)
dataBack, err := json.Marshal(rule)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.Write(dataBack)
}
func PanicHandler(h http.Handler) http.Handler {
return http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
defer func() {
if excp := recover(); excp != nil {
mylog.Alert(excp)
debug.PrintStack()
http.Error(w, "Internal panic. Contact support team.", 500)
}
}()
h.ServeHTTP(w, r)
})
}
func main() {
var err error
fmt.Println("Hello World!")
mylog.SetLevel("debug")
if err = config.LoadConfig("cepiot.conf"); err != nil {
mylog.Alert(err)
os.Exit(-1)
}
if err = rules.Initialize(); err != nil {
mylog.Alert(err)
os.Exit(-1)
}
router := httprouter.New()
notices.AddRoutes(router)
actions.AddRoutes(router)
rules.AddRoutes(router)
err = http.ListenAndServe(config.Port(), util.PanicHandler(router))
if err != nil {
mylog.Alert(err)
}
}
func (rs *controller) Del(w http.ResponseWriter, r *http.Request, p httprouter.Params) {
err := Delete(p[0].Value)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
req, err := http.NewRequest("DELETE", config.RuleEndpoint()+"/"+p[0].Value, nil)
if err != nil {
mylog.Alert("rule controller DELETE", err)
}
resp, err := httpClient.Do(req)
if err != nil {
mylog.Alert("rule controller DELETE", err, resp)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
if resp.StatusCode/100 != 2 {
mylog.Alert("rule controller DELETE", resp.Status)
http.Error(w, resp.Status, http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusOK)
fmt.Fprintln(w, "deleted", p[0].Value)
}
func (a *EmailAction) Do(n notices.Notice) (err error) {
if mylog.Debugging {
mylog.Debugf("enter EmailAction.Do %+v %+v", a, n)
defer func() { mylog.Debugf("exit EmailAction.Do %+v", err) }()
}
text := util.ExpandFromMap(a.ActionData.Template, n)
mylog.Debugf("text to send %q", text)
err = smtp.SendMail(config.SMTPServer(), nil,
a.Parameters["from"],
[]string{a.Parameters["to"]},
[]byte(text))
if err != nil {
mylog.Alert("EmailAction.Do", err)
}
return err
}
