server store invitation answer by lookupkey + refactor background check

client/helpers/backgroundHelper.go

@@ -1,11 +1,5 @@
 package helpers
 
-import (
-	"C"
-
-	"forge.redroom.link/yves/meowlib"
-	"forge.redroom.link/yves/meowlib/client"
-)
 import (
 	"encoding/json"
 	"errors"
@@ -15,6 +9,8 @@ import (
 	"strconv"
 	"time"
 
+	"forge.redroom.link/yves/meowlib"
+	"forge.redroom.link/yves/meowlib/client"
 	"github.com/google/uuid"
 	"google.golang.org/protobuf/proto"
 )
@@ -31,39 +27,27 @@ type ReceivedMessage struct {
 	Location      meowlib.Location
 }
 
-// CheckForMessages
-func CheckForMessages(message *C.char) (int, string, error) {
-	var jsonjob map[string]interface{}
+// CheckForMessages checks for messages on a single server
+func CheckForMessages(storage_path string, job *client.RequestsJob) (int, string, error) {
+
 	count := 0
-	err := json.Unmarshal([]byte(C.GoString(message)), &jsonjob)
-	if err != nil {
-		return -1, "CheckMessages: json.Unmarshal", err
-	}
+
 	//fmt.Println(jsonjob)
 	// if folder does not exist, create it
-	if _, err := os.Stat(filepath.Join(jsonjob["storage_path"].(string), "inbox")); os.IsNotExist(err) {
-		err := os.MkdirAll(filepath.Join(jsonjob["storage_path"].(string), "inbox"), 0700)
+	if _, err := os.Stat(filepath.Join(storage_path, "inbox")); os.IsNotExist(err) {
+		err := os.MkdirAll(filepath.Join(storage_path, "inbox"), 0700)
 		if err != nil {
 			return -1, "CheckMessages: MkdirAll", err
 		}
 	}
 	//convert server to a server object
-	var server client.Server
-	jsonServer, err := json.Marshal(jsonjob["server"])
-	if err != nil {
-		return -1, "CheckMessages: json.Marshal server", err
-	}
-	err = json.Unmarshal(jsonServer, &server)
-	if err != nil {
-		return -1, "CheckMessages: json.Unmarshal server", err
-	}
+
 	var crl []*meowlib.ConversationRequest
 	// build conversation requests
-	if jsonjob["lookup_keys"] != nil {
-		for _, key := range jsonjob["lookup_keys"].([]interface{}) {
-			keymap := key.(map[string]interface{})
+	if job.LookupKeys != nil {
+		for _, key := range job.LookupKeys {
 			var cr meowlib.ConversationRequest
-			cr.LookupKey = keymap["public"].(string)
+			cr.LookupKey = key.Public
 			cr.SendTimestamp = time.Now().UTC().Unix()
 			// todo sign it
 			//cr.LookupSignature =
@@ -73,38 +57,31 @@ func CheckForMessages(message *C.char) (int, string, error) {
 
 		var toSrv meowlib.ToServerMessage
 		toSrv.PullRequest = crl
-		toSrv.From = server.UserKp.Public
-		data, err := server.ProcessOutboundMessage(&toSrv)
+		toSrv.From = job.Server.UserKp.Public
+		data, err := job.Server.ProcessOutboundMessage(&toSrv)
 		if err != nil {
 			return -1, "CheckMessages: ProcessOutboundMessage", err
 		}
 
-		response, err := meowlib.HttpPostMessage(server.Url, data)
+		response, err := meowlib.HttpPostMessage(job.Server.Url, data)
 		if err != nil {
 			return -1, "CheckMessages: httpPostMessage", err
 		}
-		fs_msg, err := server.ProcessInboundServerResponse(response)
+		fs_msg, err := job.Server.ProcessInboundServerResponse(response)
 		if err != nil {
 			return -1, "CheckMessages: ProcessInboundServerResponse", err
 		}
-		if len(fs_msg.Chat) == 0 {
+		if len(fs_msg.Chat) == 0 && fs_msg.Invitation == nil {
+
 			// todo: manage non usermessage, like serverlists
-		} else {
-			// for _, msg := range fs_msg.Chat {
-			// 	// Store messages
-			// 	out, err := proto.Marshal(msg)
-			// 	if err != nil {
-			// 		C.CString(errorToJson(err, "CheckMessages: protobuf marshal"))
-			// 	}
-			// 	if err := os.WriteFile(filepath.Join(jsonjob["storage_path"].(string), "inbox", strconv.FormatInt(time.Now().UTC().UnixNano(), 10)), out, 0644); err != nil {
-			// 		C.CString(errorToJson(err, "CheckMessages: WriteFile"))
-			// 	}
-			// }
+
+		} else { // chat or invitation answer => save the server message
+
 			out, err := proto.Marshal(fs_msg)
 			if err != nil {
 				return -1, "CheckMessages: protobuf marshal", err
 			}
-			if err := os.WriteFile(filepath.Join(jsonjob["storage_path"].(string), "inbox", strconv.FormatInt(time.Now().UTC().UnixNano(), 10)), out, 0644); err != nil {
+			if err := os.WriteFile(filepath.Join(storage_path, "inbox", strconv.FormatInt(time.Now().UTC().UnixNano(), 10)), out, 0644); err != nil {
 				return -1, "CheckMessages: WriteFile", err
 			}
 		}
@@ -132,13 +109,17 @@ func ReadMessage(messageFilename string, storagePath string) (string, string, er
 	// read message file
 	msg, err := os.ReadFile(messageFilename)
 	if err != nil {
-		return "", "REadMessage: ReadFile", err
+		return "", "ReadMessage: ReadFile", err
 	}
 	// protobuf unmarshal message
 	var fromServerMessage meowlib.FromServerMessage
 	err = proto.Unmarshal(msg, &fromServerMessage)
 	if err != nil {
 		return "", "ReadMessage: Unmarshal FromServerMessage", err
+	}
+	// check if invitation answer
+	if fromServerMessage.Invitation != nil {
+
 	}
 	// Chat messages
 	if len(fromServerMessage.Chat) > 0 {
@@ -154,6 +135,7 @@ func ReadMessage(messageFilename string, storagePath string) (string, string, er
 			if err != nil {
 				return "", "ReadMessage: ProcessInboundUserMessage", err
 			}
+
 			fmt.Println("From:", usermsg.From)
 			jsonUserMessage, _ := json.Marshal(usermsg)
 			fmt.Println(string(jsonUserMessage))

client/identity.go

@@ -262,6 +262,7 @@ func (id *Identity) GetRequestJobs() []*RequestsJob {
 		}
 		// add ids to the map
 		for _, peer := range id.Peers {
+			// check if peer inviation is accepted
 			for _, server := range peer.MyPullServers {
 				srvs[server].LookupKeys = append(srvs[server].LookupKeys, peer.MyLookupKp)
 			}

server/router.go

@@ -68,6 +68,7 @@ func (r *RedisRouter) Route(msg *meowlib.ToServerMessage) (*meowlib.FromServerMe
 			panic(err)
 		}
 		for _, rq := range msg.PullRequest {
+			// get messages from redis
 			msgcnt, err := r.Client.ZCount(rq.LookupKey, "-inf", "+inf").Result()
 			if err != nil {
 				return nil, err
@@ -76,6 +77,7 @@ func (r *RedisRouter) Route(msg *meowlib.ToServerMessage) (*meowlib.FromServerMe
 			if err != nil {
 				return nil, err
 			}
+			// iterate over messages
 			for _, redismsg := range res {
 				//println(redismsg.Score)
 				val := redismsg.Member
@@ -90,6 +92,20 @@ func (r *RedisRouter) Route(msg *meowlib.ToServerMessage) (*meowlib.FromServerMe
 
 				from_server.Chat = append(from_server.Chat, &usrmsg)
 			}
+			// if no messages check for invitationanswer payload
+			if msgcnt == 0 {
+				// get invitation answer
+				var answer meowlib.Invitation
+				storedAanswer, err := r.GetAnswerToInvitation(rq.LookupKey)
+				if err != nil {
+					err := proto.Unmarshal(storedAanswer, &answer)
+					if err != nil {
+						from_server.Invitation.Payload = []byte("invitation answer corrupted")
+					}
+					from_server.Invitation = &answer
+				}
+				// add invitation answer to the response
+			}
 
 		}
 	}
@@ -145,29 +161,35 @@ func (r *RedisRouter) Route(msg *meowlib.ToServerMessage) (*meowlib.FromServerMe
 
 		// accept invitation => store accepted invitation for initiator
 		case 3:
+			var usermsg meowlib.PackedUserMessage
+			err := proto.Unmarshal(msg.Invitation.Payload, &usermsg)
+			if err != nil {
+				return nil, err
+			}
 			data, err := proto.Marshal(msg.Invitation)
 			if err != nil {
 				return nil, err
 			}
-			expiry := r.StoreAnswerToInvitation(msg.Invitation.Uuid, int(msg.Invitation.Timeout), data, r.InvitationTimeout)
+			expiry := r.StoreAnswerToInvitation(usermsg.Destination, int(msg.Invitation.Timeout), data, r.InvitationTimeout)
 			from_server.Invitation = &meowlib.Invitation{}
 			from_server.Invitation.Expiry = expiry.UTC().Unix()
 
-		// get accepted invitation => send accepted invitation to initiator
-		case 4:
-			from_server.Invitation = &meowlib.Invitation{}
-			var answer meowlib.Invitation
-			storedAanswer, err := r.GetAnswerToInvitation(msg.Invitation.Uuid)
-			if err != nil {
-				from_server.Invitation.Payload = []byte("invitation answer not found")
-			} else {
-				err := proto.Unmarshal(storedAanswer, &answer)
-				if err != nil {
-					from_server.Invitation.Payload = []byte("invitation answer corrupted")
-				}
-				from_server.Invitation = &answer
-			}
-
+			// DONE IN NORMAL MESSAGE FLOW
+			// get accepted invitation => send accepted invitation to initiator
+			/*		case 4:
+					from_server.Invitation = &meowlib.Invitation{}
+					var answer meowlib.Invitation
+					storedAanswer, err := r.GetAnswerToInvitation(msg.Invitation.Uuid)
+					if err != nil {
+						from_server.Invitation.Payload = []byte("invitation answer not found")
+					} else {
+						err := proto.Unmarshal(storedAanswer, &answer)
+						if err != nil {
+							from_server.Invitation.Payload = []byte("invitation answer corrupted")
+						}
+						from_server.Invitation = &answer
+					}
+			*/
 		}
 	}
 	/*