96 lines
3.2 KiB
Go
96 lines
3.2 KiB
Go
// OpenSAPS - Open Slack API server for everyone.
|
|
//
|
|
// Copyright (c) 2017, Stanislav N. aka pztrn.
|
|
// All rights reserved.
|
|
//
|
|
// 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 slack
|
|
|
|
import (
|
|
// stdlib
|
|
"encoding/json"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"net/http"
|
|
"net/url"
|
|
"strings"
|
|
|
|
// local
|
|
"source.pztrn.name/misc/opensaps/slack/message"
|
|
)
|
|
|
|
type SlackHandler struct{}
|
|
|
|
func (sh SlackHandler) ServeHTTP(respwriter http.ResponseWriter, req *http.Request) {
|
|
c.Log.Debugf("Received '%s' (empty = GET) request from %s, URL: '%s'", req.Method, req.Host, req.URL.Path)
|
|
|
|
// We should catch only POST requests. Otherwise return HTTP 404.
|
|
if req.Method != "POST" {
|
|
c.Log.Debugln("Not a POST request, returning HTTP 404")
|
|
respwriter.WriteHeader(404)
|
|
fmt.Fprintf(respwriter, "NOT FOUND")
|
|
return
|
|
}
|
|
|
|
body, _ := ioutil.ReadAll(req.Body)
|
|
req.Body.Close()
|
|
|
|
c.Log.Debugf("Received body: %s", string(body))
|
|
|
|
// Try to figure out where we should push received data.
|
|
url_splitted := strings.Split(req.URL.Path, "/")
|
|
fmt.Println(url_splitted)
|
|
cfg := c.Config.GetConfig()
|
|
|
|
var sent_to_pusher bool = false
|
|
for name, config := range cfg.Webhooks {
|
|
if strings.Contains(url_splitted[2], config.Slack.Random1) && strings.Contains(url_splitted[3], config.Slack.Random2) && strings.Contains(url_splitted[4], config.Slack.LongRandom) {
|
|
c.Log.Debugf("Passed data belongs to '%s' and should go to '%s' pusher, protocol '%s'", name, config.Remote.PushTo, config.Remote.Pusher)
|
|
// Parse message into SlackMessage structure.
|
|
if strings.Contains(string(body)[0:7], "payload") {
|
|
// We have HTTP form payload. It still should be a
|
|
// parseable JSON string, we just need to do some
|
|
// preparations.
|
|
// First - remove "payload=" from the beginning.
|
|
temp_body := string(body)
|
|
temp_body = strings.Replace(temp_body, "payload=", "", 1)
|
|
// Second - unescape data.
|
|
temp_body, err := url.QueryUnescape(temp_body)
|
|
if err != nil {
|
|
c.Log.Errorln("Failed to decode body into parseable string!")
|
|
return
|
|
}
|
|
|
|
// And finally - convert body back to bytes.
|
|
body = []byte(temp_body)
|
|
}
|
|
slackmsg := slackmessage.SlackMessage{}
|
|
err := json.Unmarshal(body, &slackmsg)
|
|
if err != nil {
|
|
c.Log.Error("Failed to decode JSON into SlackMessage struct: '%s'", err.Error())
|
|
return
|
|
}
|
|
c.Log.Debug("Received message:", fmt.Sprintf("%+v", slackmsg))
|
|
c.SendToPusher(config.Remote.Pusher, config.Remote.PushTo, slackmsg)
|
|
sent_to_pusher = true
|
|
}
|
|
}
|
|
|
|
if !sent_to_pusher {
|
|
c.Log.Debug("Don't know where to push data. Ignoring with HTTP 404")
|
|
respwriter.WriteHeader(404)
|
|
fmt.Fprintf(respwriter, "NOT FOUND")
|
|
}
|
|
}
|