Initialize AutoLibrary website with Gitea deployment

backend/middlewares/auth_middleware/middleware.go

@@ -0,0 +1,49 @@
+package auth_middleware
+
+import (
+	"log"
+	"net/http"
+
+	"autolibrary.top/webserver/config"
+
+	"github.com/gin-gonic/gin"
+)
+
+func APIKeyAuth() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		cfg := config.GetConfig()
+		if !cfg.Backend.Auth.Required {
+			c.Next()
+			return
+		}
+
+		apiKey := c.GetHeader("X-API-Key")
+		if apiKey == "" {
+			apiKey = c.Query("api_key")
+		}
+
+		// Check if API key is configured
+		expectedKey := cfg.Backend.Auth.Key
+		if expectedKey == "" || expectedKey == "null" {
+			log.Printf("[E] AUTH > API key not configured")
+			c.JSON(http.StatusInternalServerError, gin.H{
+				"code": http.StatusInternalServerError,
+				"msg":  "AUTH > API key has not been configured on this server",
+			})
+			c.Abort()
+			return
+		}
+
+		// Check if API key is valid
+		if apiKey == "" || apiKey != expectedKey {
+			log.Printf("[W] AUTH > invalid API key or key is missing")
+			c.JSON(http.StatusUnauthorized, gin.H{
+				"code": http.StatusUnauthorized,
+				"msg":  "AUTH > invalid API key or key is missing",
+			})
+			c.Abort()
+			return
+		}
+		c.Next()
+	}
+}