flokati/modules/webhook.go

// vi:ts=4:sts=4:sw=4:noet:tw=72

package modules

import (
	"encoding/json"
	"flag"
	"fmt"
	"net/http"
	"strings"

	"git.dnix.de/an/xlog"
)

var (
	webhookPort = flag.String("webhook_port", "8080", "Webhook listener port")
	webhookChan = flag.String("webhook_chan", "", "Channel to post into")
)

func init() {
	MsgFuncs["webhook"] = webhookHandleMessage
	RunFuncs["webhook"] = webhookRun
}

func webhookRun() {
	xlog.Info("webhook listener started")
	http.HandleFunc("/webhook", webhookHandleHTTP)
	xlog.Fatal("%v", http.ListenAndServe(":8080", nil))
}

func webhookHandleMessage(m *Message) {
	tok := strings.Split(m.Text, " ")
	if len(tok) < 1 {
		return
	}
	switch tok[0] {
	case "!webhook-add":
		if len(tok) > 1 {
			http.HandleFunc("/webhook/"+tok[1], webhookHandleHTTP)
		}
	default:
	}
}

func webhookHandleHTTP(w http.ResponseWriter, r *http.Request) {
	data := make(map[string]interface{})
	err := json.NewDecoder(r.Body).Decode(&data)
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	fmt.Println("got webhook payload: ")
	for k, v := range data {
		fmt.Printf("%s : %v\n", k, v)
		if k == "text" {
			SayCh <- fmt.Sprintf("%s\n%v", *webhookChan, v)
		}
	}
}