package pingback
import (
"brainbaking.com/go-jamming/app/mf"
"brainbaking.com/go-jamming/app/webmention/recv"
"brainbaking.com/go-jamming/common"
"brainbaking.com/go-jamming/db"
"brainbaking.com/go-jamming/rest"
"encoding/xml"
"fmt"
"io/ioutil"
"net/http"
)
func HandlePost(conf *common.Config, db db.MentionRepo) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
body, err := ioutil.ReadAll(r.Body)
if err != nil {
pingbackError(w, fmt.Errorf("pingback POST: Unable to read body: %v", err))
return
}
rpc := &XmlRPCMethodCall{}
err = xml.Unmarshal(body, rpc)
if err != nil {
pingbackError(w, fmt.Errorf("pingback POST: Unable to unmarshal XMLRPC %s: %v", body, err))
return
}
if !validate(rpc, conf) {
pingbackError(w, fmt.Errorf("pingback POST: malformed pingback request: %s", body))
return
}
wm := mf.Mention{
Source: rpc.Source(),
Target: rpc.Target(),
}
receiver := &recv.Receiver{
RestClient: &rest.HttpClient{},
Conf: conf,
Repo: db,
}
go receiver.Receive(wm)
pingbackSuccess(w)
}
}
func pingbackSuccess(w http.ResponseWriter) {
xml := `
Thanks, bro. Will process this soon, pinky swear!
`
w.WriteHeader(200)
w.Write([]byte(xml))
}
// according to the XML-RPC spec, always return a 200, but encode it into the XML.
func pingbackError(w http.ResponseWriter, err error) {
xml := `
faultCode
0
faultString
Sorry pal. Malformed request? Or something else, who knows...
`
// No longer interested in pingback errors, these are 99.9% badly formatted spam that clog up syslog
// log.Error().Err(err).Msg("Pingback receive went wrong")
w.WriteHeader(200)
w.Write([]byte(xml))
}