peter/websub-hub
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Add subscription, with notification

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This commit is contained in:
Peter Stuifzand 2018-01-29 22:22:16 +01:00
parent 0e080dd0a2
commit 031a1ef7ce
1 changed files with 44 additions and 7 deletions
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51
cmd/hubserver/main.go
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@ -1,9 +1,13 @@
package main
import "log"
//import "strconv"
import "net/http"
import (
"fmt"
"log"
"strings"
//import "strconv"
"net/http"
"net/url"
)
type subscriptionHandler struct {
}
@ -20,9 +24,9 @@ func (handler *subscriptionHandler) ServeHTTP(w http.ResponseWriter, r *http.Req
return
}
// mode := r.Form.Get("hub.mode")
// callback := r.Form.Get("hub.callback")
// topic := r.Form.Get("hub.topic")
mode := r.Form.Get("hub.mode")
callback := r.Form.Get("hub.callback")
topic := r.Form.Get("hub.topic")
// leaseSecondsStr := r.Form.Get("hub.lease_seconds")
// leaseSeconds, err := strconv.ParseInt(leaseSecondsStr, 10, 64)
// if leaseSecondsStr != "" && err != nil {
@ -30,6 +34,39 @@ func (handler *subscriptionHandler) ServeHTTP(w http.ResponseWriter, r *http.Req
// return
// }
// secret := r.Form.Get("hub.secret")
if mode == "subscribe" {
callbackURL, err := url.Parse(callback)
if err != nil {
http.Error(w, "Can't parse url", 400)
return
}
topicURL, err := url.Parse(topic)
if err != nil {
http.Error(w, "Can't parse url", 400)
return
}
w.WriteHeader(202)
fmt.Fprint(w, "Accepted")
go func() {
client := http.Client{}
req, err := http.NewRequest("POST", callbackURL.String(), strings.NewReader("TEST"))
req.Header.Add("Content-Type", "text/plain")
req.Header.Add("Link", fmt.Sprintf("<https://hub.stuifzandapp.com/>; rel=hub, <%s>; rel=self", topicURL.String()))
res, err := client.Do(req)
log.Println(res, err)
}()
return
} else if mode == "unsubcribe" {
return
} else {
http.Error(w, "Unknown hub.mode", 400)
return
}
}
func main() {