Initial commit

internal/middleware/auth.go

@@ -0,0 +1,28 @@
+package middleware
+
+import (
+	"net/http"
+	"strings"
+
+	"github.com/gin-gonic/gin"
+)
+
+// JWTAuthMiddleware is a simple JWT authentication middleware.
+func JWTAuthMiddleware() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		authHeader := c.GetHeader("Authorization")
+		if authHeader == "" || !strings.HasPrefix(authHeader, "Bearer ") {
+			c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "Missing or invalid token"})
+			return
+		}
+
+		token := strings.TrimPrefix(authHeader, "Bearer ")
+		// For demonstration, accept the token "valid-token" as valid.
+		if token != "valid-token" {
+			c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "Invalid token"})
+			return
+		}
+
+		c.Next()
+	}
+}