Server side invitation step 3/4 preserve From public key / Client finalize in progress

client/helpers/invitationFinalizeHelper.go

@@ -0,0 +1,72 @@
+package helpers
+
+import (
+	"forge.redroom.link/yves/meowlib"
+	"forge.redroom.link/yves/meowlib/client"
+	"google.golang.org/protobuf/proto"
+)
+
+// InvitationGetAnswer
+// Called by the invitation initiator
+// invitationId: the id of the invitation
+// serverUid: the uid of the server holding the invitation answer
+func InvitationGetAnswer(invitationId string, serverUid string) ([]byte, string, error) {
+
+	// check if already in msg servers
+	srv, err := client.GetConfig().GetIdentity().MessageServers.LoadServer(serverUid)
+	if err != nil {
+		return nil, "InvitationGetAnswer: LoadServer", err
+	}
+
+	// buildserver message
+	toSrvMsg, err := srv.BuildToServerMessageInvitationAnswerRequest(invitationId)
+	if err != nil {
+		return nil, "InvitationGetAnswer: BuildToServerMessageInvitationRequest", err
+	}
+	// processoutbound
+	bytemsg, err := srv.ProcessOutboundMessage(toSrvMsg)
+	if err != nil {
+		return nil, "InvitationGetAnswer: ProcessOutboundMessage", err
+	}
+
+	return bytemsg, "", nil
+}
+
+// InvitationGetAnswerReadResponse
+// Called by the invitation initiator
+// invitationAnswerData: the data received from the server
+// invitationServerUid: the uid of the server holding the invitation
+func InvitationGetAnswerReadResponse(invitationAnswerData []byte, invitationServerUid string) (string, error) {
+
+	server, err := client.GetConfig().GetIdentity().MessageServers.LoadServer(invitationServerUid)
+	if err != nil {
+		return "InvitationGetAnswerReadResponse: LoadServer", err
+	}
+	// Server inbound processing : get the invitation server
+	serverMsg, err := server.ProcessInboundServerResponse(invitationAnswerData)
+	if err != nil {
+		return "InvitationGetAnswerReadResponse: ProcessInboundServerResponse", err
+	}
+	// fmt.Println("Inbound OK, Invitation Step: ", serverMsg.Invitation.Step, len(serverMsg.Invitation.Payload))
+	// fmt.Println("Invitation Check")
+	// fmt.Println(hex.EncodeToString(serverMsg.Invitation.Payload))
+	// contactCard decode
+
+	// decode the payload
+	var invitationAnswer meowlib.PackedUserMessage
+	err = proto.Unmarshal(serverMsg.Invitation.Payload, &invitationAnswer)
+	if err != nil {
+		return "InvitationGetAnswerReadResponse: Unmarshal", err
+	}
+	// retreive user public key to check usermessage signature
+	//contactPublikKey := serverMsg.Invitation.From
+
+	// process the packed user message
+
+	// finalize the invitation
+	//	id := client.GetConfig().GetIdentity()
+
+	//	cc, err := id.FinalizeInvitation(serverMsg.Invitation.)
+
+	return "", nil
+}