chore: sync submodule state (parent ref update)

Made-with: Cursor

gateway/go/middleware/auth.go

@@ -0,0 +1,57 @@
+package middleware
+
+import (
+	"net/http"
+	"solacenet-gateway/config"
+	"strings"
+
+	"github.com/gin-gonic/gin"
+	"github.com/golang-jwt/jwt/v5"
+)
+
+// AuthMiddleware validates JWT tokens
+func AuthMiddleware(cfg *config.Config) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		authHeader := c.GetHeader("Authorization")
+		if authHeader == "" {
+			c.JSON(http.StatusUnauthorized, gin.H{
+				"error": "Authorization header required",
+			})
+			c.Abort()
+			return
+		}
+
+		// Extract token
+		parts := strings.Split(authHeader, " ")
+		if len(parts) != 2 || parts[0] != "Bearer" {
+			c.JSON(http.StatusUnauthorized, gin.H{
+				"error": "Invalid authorization header format",
+			})
+			c.Abort()
+			return
+		}
+
+		tokenString := parts[1]
+
+		// Parse and validate token
+		token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
+			return []byte(cfg.JWTSecret), nil
+		})
+
+		if err != nil || !token.Valid {
+			c.JSON(http.StatusUnauthorized, gin.H{
+				"error": "Invalid token",
+			})
+			c.Abort()
+			return
+		}
+
+		// Extract claims
+		if claims, ok := token.Claims.(jwt.MapClaims); ok {
+			c.Set("userID", claims["sub"])
+			c.Set("tenantID", claims["tenantId"])
+		}
+
+		c.Next()
+	}
+}