Added MFA to sessions and better websocket management

database/pkg.go

@@ -12,6 +12,7 @@ import (
 
 	// Standard
 	"database/sql"
+	"encoding/json"
 	"fmt"
 	"log/slog"
 )
@@ -93,6 +94,10 @@ func webserviceSQLProvider(dbname string, version int) ([]byte, bool) { // {{{
 			END;
 			$$;
 		`,
+
+		2: `
+			ALTER TABLE "_webservice"."session" ADD mfa jsonb DEFAULT '{}' NOT NULL;
+		`,
 	}
 
 	statement, found := sql[version]
@@ -189,13 +194,14 @@ func (db *T) RetrieveSession(uuid string) (sess *session.T, err error) {// {{{
 			WHERE
 				uuid=$1
 			RETURNING
-				uuid, created, last_used, user_id
+				uuid, created, last_used, user_id, mfa
 		)
 		SELECT
 			sd.uuid, sd.created, sd.last_used,
 			COALESCE(u.username, '') AS username,
 			COALESCE(u.name, '') AS name,
-			COALESCE(u.id, 0) AS user_id
+			COALESCE(u.id, 0) AS user_id,
+			mfa
 		FROM session_data sd
 		LEFT JOIN _webservice.user u ON sd.user_id = u.id
 		`,
@@ -231,6 +237,23 @@ func (db *T) SetSessionUser(uuid string, userID int) (err error) { // {{{
 	}
 	return
 } // }}}
+func (db *T) SetSessionMFA(uuid string, mfa any) (err error) { // {{{
+	mfaByte, _ := json.Marshal(mfa)
+	_, err = db.Conn.Exec(`
+		UPDATE _webservice.session
+		SET
+			mfa = $2
+		WHERE
+			uuid = $1
+		`,
+		uuid,
+		mfaByte,
+	)
+	if err != nil {
+		return
+	}
+	return
+} // }}}
 func (db *T) UpdateUserTime(userID int) (err error) { // {{{
 	_, err = db.Conn.Exec(`UPDATE _webservice.user SET last_login=NOW() WHERE id=$1`, userID)
 	return

pkg.go

@@ -113,7 +113,7 @@ func New(configFilename, version string, logger *slog.Logger) (service *Service,
 	return
 } // }}}
 
-func (service *Service) defaultAuthenticationHandler(req AuthenticationRequest, alreadyAuthenticated bool) (resp AuthenticationResponse, err error) { // {{{
+func (service *Service) defaultAuthenticationHandler(req AuthenticationRequest, sess *session.T, alreadyAuthenticated bool) (resp AuthenticationResponse, err error) { // {{{
 	resp.Authenticated = alreadyAuthenticated
 	service.logger.Info("webservice", "op", "authentication", "username", req.Username, "authenticated", resp.Authenticated)
 	return
@@ -183,7 +183,7 @@ func (service *Service) Register(path string, requireSession, requireAuthenticat
 				return
 			}
 
-			sess, found = service.retrieveSession(headerSessionUUID)
+			sess, found = service.RetrieveSession(headerSessionUUID)
 			if !found {
 				service.errorHandler(fmt.Errorf("Session '%s' not found", headerSessionUUID), "001-0001", w)
 				return

session.go

@@ -25,9 +25,10 @@ type AuthenticationResponse struct {
 	OK            bool
 	Authenticated bool
 	UserID        int
+	MFA           any
 }
 
-type AuthenticationHandler func(AuthenticationRequest, bool) (AuthenticationResponse, error)
+type AuthenticationHandler func(AuthenticationRequest, *session.T, bool) (AuthenticationResponse, error)
 type AuthorizationHandler func(*session.T, *http.Request) (bool, error)
 
 func (service *Service) sessionNew(w http.ResponseWriter, r *http.Request, foo *session.T) { // {{{
@@ -48,7 +49,7 @@ func (service *Service) sessionNew(w http.ResponseWriter, r *http.Request, foo *
 			break
 
 		} else {
-			if _, found = service.retrieveSession(sess.UUID); found {
+			if _, found = service.RetrieveSession(sess.UUID); found {
 				continue
 			}
 
@@ -91,8 +92,8 @@ func (service *Service) sessionAuthenticate(w http.ResponseWriter, r *http.Reque
 	}
 
 	// Authenticate against webservice user table if using a database.
-	var userID int
-	if service.Db != nil {
+	var userID int = sess.UserID
+	if service.Db != nil && userID == 0 {
 		authenticatedByFramework, userID, err = service.Db.Authenticate(authRequest.Username, authRequest.Password)
 		if err != nil {
 			service.errorHandler(err, "001-A002", w)
@@ -103,15 +104,24 @@ func (service *Service) sessionAuthenticate(w http.ResponseWriter, r *http.Reque
 
 	// The authentication handler is provided with the authenticated response of the possible database authentication,
 	// and given a chance to override it.
-	authResponse, err = service.authenticationHandler(authRequest, authenticatedByFramework)
+	authResponse, err = service.authenticationHandler(authRequest, sess, authenticatedByFramework)
 	if err != nil {
 		service.errorHandler(err, "001-F002", w)
 		return
 	}
+
 	authResponse.UserID = userID
 	authResponse.OK = true
 	sess.Authenticated = authResponse.Authenticated
 
+	if authResponse.MFA != nil {
+		err = service.Db.SetSessionMFA(sess.UUID, authResponse.MFA)
+		if err != nil {
+			service.errorHandler(err, "001-A003", w)
+			return
+		}
+	}
+
 	if authResponse.Authenticated && userID > 0 {
 		err = service.Db.SetSessionUser(sess.UUID, userID)
 		if err != nil {
@@ -136,7 +146,7 @@ func (service *Service) sessionRetrieve(w http.ResponseWriter, r *http.Request,
 	w.Write(out)
 } // }}}
 
-func (service *Service) retrieveSession(uuid string) (session *session.T, found bool) { // {{{
+func (service *Service) RetrieveSession(uuid string) (session *session.T, found bool) { // {{{
 	var err error
 
 	if service.Db == nil {

session/pkg.go

@@ -10,6 +10,7 @@ type T struct {
 	Created       time.Time
 	LastUsed      time.Time `db:"last_used"`
 	Authenticated bool
+	MFA           any
 
 	UserID   int `db:"user_id"`
 	Username string

static/js/websocket.mjs

@@ -17,7 +17,7 @@ export class Websocket {
 
 	start() {//{{{
 		this.connect()
-		//this.loop()
+		this.loop()
 	}//}}}
 	loop() {//{{{
 		setInterval(() => {
@@ -27,6 +27,9 @@ export class Websocket {
 			}
 		}, 1000)
 	}//}}}
+	send(data) {//{{{
+		this.websocket.send(data)
+	}//}}}
 
 	connect() {//{{{
 		const protocol = location.protocol;

ws_conn_manager/pkg.go

@@ -8,15 +8,18 @@ import (
 	// Standard
 	"log/slog"
 	"net/http"
-	"strings"
 	"slices"
+	"strings"
 )
 
+type ReadHandler func(*ConnectionManager, *WsConnection, []byte)
+
 type WsConnection struct {
 	ConnectionManager *ConnectionManager
 	UUID              string
 	Conn              *websocket.Conn
 	Pruned            bool
+	SessionUUID       string
 }
 type ConnectionManager struct {
 	connections    map[string]*WsConnection
@@ -24,6 +27,7 @@ type ConnectionManager struct {
 	sendQueue      chan SendRequest
 	logger         *slog.Logger
 	domains        []string
+	readHandlers   []ReadHandler
 }
 type SendRequest struct {
 	WsConn *WsConnection
@@ -72,6 +76,9 @@ func (cm *ConnectionManager) NewConnection(w http.ResponseWriter, r *http.Reques
 
 	return &wsConn, nil
 } // }}}
+func (cm *ConnectionManager) AddMsgHandler(handler ReadHandler) { // {{{
+	cm.readHandlers = append(cm.readHandlers, handler)
+} // }}}
 
 // validateOrigin matches host from X-Forwarded-Host or request host against a list of configured domains.
 func (cm *ConnectionManager) validateOrigin(r *http.Request) bool { // {{{
@@ -102,7 +109,10 @@ func (cm *ConnectionManager) ReadLoop(wsConn *WsConnection) { // {{{
 		}
 
 		cm.logger.Debug("websocket", "op", "read", "data", data)
-		//cm.Send(wsConn, response)
+
+		for _, handler := range cm.readHandlers {
+			handler(cm, wsConn, data)
+		}
 	}
 } // }}}
 func (cm *ConnectionManager) Read(wsConn *WsConnection) ([]byte, bool) { // {{{
@@ -118,6 +128,14 @@ func (cm *ConnectionManager) Read(wsConn *WsConnection) ([]byte, bool) { // {{{
 func (cm *ConnectionManager) Send(wsConn *WsConnection, msg interface{}) { // {{{
 	wsConn.Conn.WriteJSON(msg)
 } // }}}
+func (cm *ConnectionManager) SendToSessionUUID(uuid string, msg interface{}) { // {{{
+	for _, wsConn := range cm.connections {
+		if wsConn.SessionUUID == uuid {
+			wsConn.Conn.WriteJSON(msg)
+			break
+		}
+	}
+} // }}}
 func (cm *ConnectionManager) Broadcast(msg interface{}) { // {{{
 	cm.broadcastQueue <- msg
 } // }}}