Save client pickle automatically (messenger)

account.go

@@ -39,41 +39,40 @@ func SetAccount(mxid string, name string, protocol string, config map[string]str
 	}
 	accounts := registeredAccounts[mxid]
 
-	if prev_acct, ok := accounts[name]; ok {
-		if protocol != prev_acct.Protocol {
-			return fmt.Errorf("Wrong protocol")
-		}
-		if !reflect.DeepEqual(config, prev_acct.Config) {
-			go func() {
-				prev_acct.Conn.Close()
-				prev_acct.JoinedRooms = map[RoomID]bool{}
-
-				prev_acct.Config = config
-				prev_acct.connect()
-			}()
-		}
-	} else {
-		proto, ok := Protocols[protocol]
-		if !ok {
-			return fmt.Errorf("Invalid protocol: %s", protocol)
-		}
-		conn := proto.NewConnector()
-		if conn == nil {
-			return fmt.Errorf("Could not create connector for protocol %s", protocol)
-		}
-		account := &Account{
-			MatrixUser:  mxid,
-			AccountName: name,
-			Protocol:    protocol,
-			Config:      config,
-			Conn:        conn,
-			JoinedRooms: map[RoomID]bool{},
-		}
-		conn.SetHandler(account)
-
-		accounts[name] = account
-		go account.connect()
+	// Check we can create connector
+	proto, ok := Protocols[protocol]
+	if !ok {
+		return fmt.Errorf("Invalid protocol: %s", protocol)
 	}
+	conn := proto.NewConnector()
+	if conn == nil {
+		return fmt.Errorf("Could not create connector for protocol %s", protocol)
+	}
+
+	// If the account existed already, close and drop connector
+	if prev_acct, ok := accounts[name]; ok {
+		if prev_acct.Protocol == protocol && reflect.DeepEqual(config, prev_acct.Config) {
+			return nil
+		}
+
+		go prev_acct.Conn.Close()
+		delete(accounts, name)
+	}
+
+	// Configure and connect
+	account := &Account{
+		MatrixUser:  mxid,
+		AccountName: name,
+		Protocol:    protocol,
+		Config:      config,
+		Conn:        conn,
+		JoinedRooms: map[RoomID]bool{},
+	}
+	conn.SetHandler(account)
+
+	accounts[name] = account
+	go account.connect()
+
 	return nil
 }
 
@@ -232,6 +231,20 @@ func (a *Account) delAutojoin(roomId RoomID) {
 
 // ---- Begin event handlers ----
 
+func (a *Account) SaveConfig(config Configuration) {
+	a.Config = config
+	if key, ok := userKeys[a.MatrixUser]; ok {
+		var entry DbAccountConfig
+		db.Where(&DbAccountConfig{
+			MxUserID: a.MatrixUser,
+			Name:     a.AccountName,
+		}).Assign(&DbAccountConfig{
+			Protocol: a.Protocol,
+			Config:   encryptAccountConfig(a.Config, key),
+		}).FirstOrCreate(&entry)
+	}
+}
+
 func (a *Account) Joined(roomId RoomID) {
 	err := a.joinedInternal(roomId)
 	if err != nil {

connector/connector.go

@@ -76,6 +76,9 @@ type Connector interface {
 }
 
 type Handler interface {
+	// Called to save updated configuration parameters
+	SaveConfig(config Configuration)
+
 	// Called when a room was joined (automatically or by call to Connector.Join)
 	Joined(roomId RoomID)
 

connector/external/external.go

@@ -54,6 +54,7 @@ const (
 	CLOSE         = "close"
 
 	// external -> ezbr
+	SAVE_CONFIG       = "save_config"
 	JOINED            = "joined"
 	LEFT              = "left"
 	USER_INFO_UPDATED = "user_info_updated"
@@ -198,6 +199,16 @@ func (m *extMessageWithData) UnmarshalJSON(jj []byte) error {
 	}
 	*m = extMessageWithData{extMessage: c}
 	switch c.MsgType {
+	case SAVE_CONFIG:
+		var cf struct {
+			Data Configuration `json:"data"`
+		}
+		err := json.Unmarshal(jj, &cf)
+		if err != nil {
+			return err
+		}
+		m.Data = cf.Data
+		return nil
 	case USER_INFO_UPDATED:
 		var ui struct {
 			Data UserInfo `json:"data"`
@@ -229,14 +240,14 @@ func (m *extMessageWithData) UnmarshalJSON(jj []byte) error {
 		m.Data = &ev.Data
 		return nil
 	case REP_SEARCH_RESULTS:
-		var ev struct {
+		var sr struct {
 			Data []UserSearchResult `json:"data"`
 		}
-		err := json.Unmarshal(jj, &ev)
+		err := json.Unmarshal(jj, &sr)
 		if err != nil {
 			return err
 		}
-		m.Data = ev.Data
+		m.Data = sr.Data
 		return nil
 	case JOINED, LEFT, CACHE_PUT, CACHE_GET, REP_OK, REP_ERROR:
 		return nil
@@ -364,6 +375,8 @@ func (ext *External) Close() {
 
 func (ext *External) handleCmd(msg *extMessageWithData) {
 	switch msg.MsgType {
+	case SAVE_CONFIG:
+		ext.handler.SaveConfig(msg.Data.(Configuration))
 	case JOINED:
 		ext.handler.Joined(msg.Room)
 	case LEFT:

external/messenger.py

@@ -1,7 +1,5 @@
 #!/usr/bin/env python3
 
-# @FIXME: store the client pickle in the config automatically
-
 import sys
 import json
 import signal
@@ -34,6 +32,7 @@ SEND = "send"
 CLOSE = "close"
 
 # external -> ezbr
+SAVE_CONFIG = "save_config"
 JOINED = "joined"
 LEFT = "left"
 USER_INFO_UPDATED = "user_info_updated"
@@ -228,7 +227,8 @@ class MessengerBridge:
         if ty == CONFIGURE:
             self.init_backlog_length = int(cmd["data"]["initial_backlog"])
 
-            if "client_pickle" in cmd["data"] and len(cmd["data"]["client_pickle"]) > 0:
+            has_pickle = "client_pickle" in cmd["data"] and len(cmd["data"]["client_pickle"]) > 0
+            if has_pickle:
                 data = base64.b64decode(cmd["data"]["client_pickle"])
                 data = zlib.decompress(data)
                 self.client = pickle.loads(data)
@@ -240,6 +240,13 @@ class MessengerBridge:
             if not self.client.isLoggedIn():
                 return {"_type": REP_ERROR, "error": "Unable to login (invalid pickle?)"}
 
+            if not has_pickle:
+                new_config = cmd["data"]
+                data = pickle.dumps(self.client)
+                data = zlib.compress(data)
+                new_config["client_pickle"] = base64.b64encode(data).decode('ascii')
+                self.write({"_type": SAVE_CONFIG, "data": new_config})
+
             self.client.setBridge(self)
 
             self.my_user_id = self.getUserIdFromUid(self.client.uid)