基本功能实现

internal/http/middleware/auth.go

@@ -0,0 +1,38 @@
+package middleware
+
+import (
+	"net/http"
+	"strings"
+
+	"BingDailyImage/internal/service/token"
+
+	"github.com/gin-gonic/gin"
+)
+
+func AuthMiddleware() 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
+		}
+
+		parts := strings.SplitN(authHeader, " ", 2)
+		if !(len(parts) == 2 && parts[0] == "Bearer") {
+			c.JSON(http.StatusUnauthorized, gin.H{"error": "Invalid authorization header format"})
+			c.Abort()
+			return
+		}
+
+		t, err := token.ValidateToken(parts[1])
+		if err != nil {
+			c.JSON(http.StatusUnauthorized, gin.H{"error": err.Error()})
+			c.Abort()
+			return
+		}
+
+		c.Set("token", t)
+		c.Next()
+	}
+}