joeybloggs
92 lines
1.8 KiB
Go
92 lines
1.8 KiB
Go
package webhooks
|
|
|
|
import "net/http"
|
|
|
|
// Provider defines the type of webhook
|
|
type Provider int
|
|
|
|
func (p Provider) String() string {
|
|
switch p {
|
|
case GitHub:
|
|
return "GitHub"
|
|
default:
|
|
return "Unknown"
|
|
}
|
|
}
|
|
|
|
// webhooks available providers
|
|
const (
|
|
GitHub Provider = iota
|
|
)
|
|
|
|
// Webhook interface defines a webhook to recieve events
|
|
type Webhook interface {
|
|
Provider() Provider
|
|
ParsePayload(w http.ResponseWriter, r *http.Request)
|
|
}
|
|
|
|
type server struct {
|
|
hook Webhook
|
|
path string
|
|
}
|
|
|
|
// ProcessPayloadFunc is a common function for payload return values
|
|
type ProcessPayloadFunc func(payload interface{})
|
|
|
|
// Run runs a server
|
|
func Run(hook Webhook, addr string, path string) error {
|
|
srv := &server{
|
|
hook: hook,
|
|
path: path,
|
|
}
|
|
|
|
s := &http.Server{Addr: addr, Handler: srv}
|
|
|
|
return s.ListenAndServe()
|
|
}
|
|
|
|
// RunServer runs a custom server.
|
|
func RunServer(s *http.Server, hook Webhook, path string) error {
|
|
|
|
srv := &server{
|
|
hook: hook,
|
|
path: path,
|
|
}
|
|
|
|
s.Handler = srv
|
|
|
|
return s.ListenAndServe()
|
|
}
|
|
|
|
// RunTLSServer runs a custom server with TLS configuration.
|
|
// NOTE: http.Server Handler will be overridden by this library, just set it to nil.
|
|
// Setting the Certificates can be done in the http.Server.TLSConfig.Certificates
|
|
// see example here: https://gopkg.in/go-playground/webhooks/blob/master/webhooks_test.go#L178
|
|
func RunTLSServer(s *http.Server, hook Webhook, path string) error {
|
|
|
|
srv := &server{
|
|
hook: hook,
|
|
path: path,
|
|
}
|
|
|
|
s.Handler = srv
|
|
|
|
return s.ListenAndServeTLS("", "")
|
|
}
|
|
|
|
// ServeHTTP is the Handler for every posted WebHook Event
|
|
func (s *server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
|
|
defer r.Body.Close()
|
|
|
|
if r.Method != "POST" {
|
|
http.Error(w, "405 Method not allowed", http.StatusMethodNotAllowed)
|
|
return
|
|
}
|
|
if r.URL.Path != s.path {
|
|
http.Error(w, "404 Not found", http.StatusNotFound)
|
|
return
|
|
}
|
|
|
|
s.hook.ParsePayload(w, r)
|
|
}
|