fix: refresh emby sessions in realtime

internal/handler/emby_sessions.go

@@ -2,9 +2,12 @@ package handler
 
 import (
 	"net/http"
+	"strings"
 
 	"github.com/gin-gonic/gin"
+	"github.com/golang-jwt/jwt/v5"
 
+	"github.com/ShukeBta/MediaStationGo/internal/middleware"
 	"github.com/ShukeBta/MediaStationGo/internal/service"
 )
 
@@ -47,13 +50,58 @@ func embySessionsHandler(svc *service.Container) gin.HandlerFunc {
 	}
 }
 
-func embySessionLogoutHandler(svc *service.Container) gin.HandlerFunc {
+func embySessionLogoutHandler(svc *service.Container, jwtSecret string) gin.HandlerFunc {
 	return func(c *gin.Context) {
 		if svc.Sessions != nil {
-			uid := embyUserID(c)
+			uid, _ := embyPublicSessionIdentity(c, svc, jwtSecret)
 			clientInfo := embyClientInfoFromRequest(c)
 			svc.Sessions.Logout(c.Request.Context(), uid, clientInfo.DeviceID, c.ClientIP())
 		}
 		c.Status(http.StatusNoContent)
 	}
 }
+
+func embySessionCapabilitiesHandler(svc *service.Container, jwtSecret string) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		recordEmbyPublicSessionActivity(c, svc, jwtSecret)
+		c.Status(http.StatusNoContent)
+	}
+}
+
+func recordEmbyPublicSessionActivity(c *gin.Context, svc *service.Container, jwtSecret string) {
+	uid, username := embyPublicSessionIdentity(c, svc, jwtSecret)
+	recordEmbySessionActivity(c, svc, uid, username)
+}
+
+func embyPublicSessionIdentity(c *gin.Context, svc *service.Container, jwtSecret string) (string, string) {
+	if uid := embyUserID(c); uid != "" {
+		return uid, embyContextUserName(c)
+	}
+	token := embyRequestToken(c)
+	if strings.TrimSpace(token) == "" || strings.TrimSpace(jwtSecret) == "" {
+		return "", ""
+	}
+	claims := &middleware.Claims{}
+	parsed, err := jwt.ParseWithClaims(token, claims, func(t *jwt.Token) (interface{}, error) {
+		if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok {
+			return nil, jwt.ErrTokenSignatureInvalid
+		}
+		return []byte(jwtSecret), nil
+	})
+	if err != nil || !parsed.Valid {
+		return "", ""
+	}
+	if strings.TrimSpace(claims.Purpose) != "" {
+		return "", ""
+	}
+	uid := strings.TrimSpace(claims.UserID)
+	if uid == "" {
+		return "", ""
+	}
+	if svc != nil && svc.Repo != nil && svc.Repo.User != nil {
+		if user, err := svc.Repo.User.FindByID(c.Request.Context(), uid); err == nil && user != nil {
+			return uid, user.Username
+		}
+	}
+	return uid, ""
+}