A simple admin ui without any functionalities

Signed-off-by: Yuan Si <do4suki@gmail.com>

middleware/webui.go

@@ -0,0 +1,28 @@
+package middleware
+
+import (
+	"net/http"
+	"strings"
+
+	"github.com/gin-contrib/sessions"
+	"github.com/gin-gonic/gin"
+)
+
+func WebAuth(ctx *gin.Context) {
+	session := sessions.Default(ctx)
+	requestUrl := strings.Split(ctx.Request.URL.String(), "?")[0] // 过滤 GET 参数
+	_, ok := session.Get("username").(string)
+	if ok {
+		if requestUrl == "/admin/login" {
+			ctx.Redirect(http.StatusFound, "/admin/index")
+			ctx.Abort()
+		}
+	} else {
+		if requestUrl != "/admin/login" {
+			ctx.Redirect(http.StatusFound, "/admin/login")
+			ctx.Abort()
+		}
+	}
+
+	ctx.Next()
+}