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handler.go
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handler.go
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/*
Package api1 implements version 1 of notifyd API.
*/
package api1
import (
"encoding/json"
"github.com/aavzz/daemon/log"
"github.com/aavzz/notifier/server/notifyd/channels"
"github.com/spf13/viper"
"net/http"
)
// JResponse holds notifyd response
// Must be exportable
type JResponse struct {
Error int
ErrorMsg string
}
// Handler calls the right function to send message via specified channel.
func Handler(w http.ResponseWriter, r *http.Request) {
channel := r.FormValue("channel")
message := r.FormValue("message")
recipients := r.FormValue("recipients")
switch channel {
case "beeline":
if recipients != "" && message != "" {
if err := channels.SendMessageBeeline(viper.GetString("beeline.login"),
viper.GetString("beeline.password"),
viper.GetString("beeline.sender"),
recipients, message); err == nil {
reportSuccess(w, message, channel, recipients)
} else {
reportError(w, err)
}
} else {
reportErrorString(w, "Failed to send message via "+channel)
}
case "smsc":
if recipients != "" && message != "" {
if err := channels.SendMessageSmsc(viper.GetString("smsc.login"),
viper.GetString("smsc.password"),
viper.GetString("smsc.sender"),
recipients, message); err == nil {
reportSuccess(w, message, channel, recipients)
} else {
reportError(w, err)
}
} else {
reportErrorString(w, "Failed to send message via "+channel)
}
case "websms":
if recipients != "" && message != "" {
if err := channels.SendMessageWebsms(viper.GetString("websms.login"),
viper.GetString("websms.password"),
viper.GetString("websms.sender"),
recipients, message); err == nil {
reportSuccess(w, message, channel, recipients)
} else {
reportError(w, err)
}
} else {
reportErrorString(w, "Failed to send message via "+channel)
}
case "telegram":
if recipients != "" && message != "" {
if err := channels.SendMessageTelegram(viper.GetInt64("telegram."+recipients+"_chatid"), message); err == nil {
reportSuccess(w, message, channel, recipients)
} else {
reportError(w, err)
}
} else {
reportErrorString(w, "Failed to send message via "+channel)
}
case "email":
senderName := r.FormValue("sender_name")
senderAddr := r.FormValue("sender_address")
subject := r.FormValue("subject")
if recipients != "" && message != "" {
if err := channels.SendMessageEmail(senderName, senderAddr, recipients, subject, message); err == nil {
reportSuccess(w, message, channel, recipients)
} else {
reportError(w, err)
}
} else {
reportErrorString(w, "Failed to send message via "+channel)
}
default:
reportErrorString(w, "No valid channel found")
}
}
//////////////////////////////////////////////////////////////////////////////
func reportError(w http.ResponseWriter, e error) {
ret := json.NewEncoder(w)
var resp JResponse
resp.Error = 1
resp.ErrorMsg = e.Error()
if err := ret.Encode(resp); err != nil {
log.Error(err.Error())
}
}
//////////////////////////////////////////////////////////////////////////////
func reportErrorString(w http.ResponseWriter, e string) {
ret := json.NewEncoder(w)
var resp JResponse
resp.Error = 1
resp.ErrorMsg = e
if err := ret.Encode(resp); err != nil {
log.Error(err.Error())
}
}
//////////////////////////////////////////////////////////////////////////////
func reportSuccess(w http.ResponseWriter, msg, channel, recipients string) {
ret := json.NewEncoder(w)
var resp JResponse
resp.Error = 0
resp.ErrorMsg = "Message `" + msg + "` sent via " + channel + " to " + recipients
if err := ret.Encode(resp); err != nil {
log.Error(err.Error())
}
}