Include sessiontype in server session result struct

server/api.go

@@ -25,6 +25,7 @@ type Configuration struct {
 type SessionResult struct {
 	Token       string
 	Status      Status
+	Type        irma.Action
 	ProofStatus irma.ProofStatus
 	Disclosed   []*irma.DisclosedAttribute
 	Signature   *irma.SignedMessage
@@ -82,3 +83,9 @@ func WriteJson(w http.ResponseWriter, object interface{}) {
 	w.WriteHeader(status)
 	w.Write(bts)
 }
+
+func WriteString(w http.ResponseWriter, str string) {
+	w.Header().Set("Content-Type", "text/plain")
+	w.WriteHeader(http.StatusOK)
+	w.Write([]byte(str))
+}

server/backend/sessions.go

@@ -120,6 +120,7 @@ func newSession(action irma.Action, request irma.SessionRequest) *session {
 		token:      token,
 		result: &server.SessionResult{
 			Token: token,
+			Type:  action,
 		},
 	}
 	s.setStatus(server.StatusInitialized)