From 73f9b192229b8991f1cb1913029e6e58c88815f3 Mon Sep 17 00:00:00 2001
From: wyx2685 <wyx2685@gmail.com>
Date: Tue, 6 Feb 2024 20:26:30 +0900
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E6=9C=AC=E5=9C=B0=E8=8A=82?=
 =?UTF-8?q?=E7=82=B9Hash=E8=BE=85=E5=8A=A9=E5=88=A4=E6=96=AD=E4=BF=A1?=
 =?UTF-8?q?=E6=81=AF?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 api/panel/node.go  | 20 +++++++++++++++-----
 api/panel/panel.go |  1 +
 core/hy2/config.go |  2 --
 3 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/api/panel/node.go b/api/panel/node.go
index abd9bb8..965c66f 100644
--- a/api/panel/node.go
+++ b/api/panel/node.go
@@ -1,7 +1,9 @@
 package panel
 
 import (
+	"crypto/sha256"
 	"encoding/base64"
+	"encoding/hex"
 	"fmt"
 	"reflect"
 	"strconv"
@@ -130,7 +132,19 @@ func (c *Client) GetNodeInfo() (node *NodeInfo, err error) {
 	r, err := c.client.
 		R().
 		SetHeader("If-None-Match", c.nodeEtag).
+		ForceContentType("application/json").
 		Get(path)
+
+	if r.StatusCode() == 304 {
+		return nil, nil
+	}
+	hash := sha256.Sum256(r.Body())
+	newBodyHash := hex.EncodeToString(hash[:])
+	if c.responseBodyHash == newBodyHash {
+		return nil, nil
+	}
+	c.responseBodyHash = newBodyHash
+	c.nodeEtag = r.Header().Get("ETag")
 	if err = c.checkResponse(r, path, err); err != nil {
 		return nil, err
 	}
@@ -141,9 +155,6 @@ func (c *Client) GetNodeInfo() (node *NodeInfo, err error) {
 				r.RawBody().Close()
 			}
 		}()
-		if r.StatusCode() == 304 {
-			return nil, nil
-		}
 	} else {
 		return nil, fmt.Errorf("received nil response")
 	}
@@ -274,8 +285,7 @@ func (c *Client) GetNodeInfo() (node *NodeInfo, err error) {
 	cm.Routes = nil
 	cm.BaseConfig = nil
 
-	c.nodeEtag = r.Header().Get("ETag")
-	return
+	return node, nil
 }
 
 func intervalToTime(i interface{}) time.Duration {
diff --git a/api/panel/panel.go b/api/panel/panel.go
index 882f97b..c298d05 100644
--- a/api/panel/panel.go
+++ b/api/panel/panel.go
@@ -23,6 +23,7 @@ type Client struct {
 	NodeId           int
 	nodeEtag         string
 	userEtag         string
+	responseBodyHash string
 	LastReportOnline map[int]int
 }
 
diff --git a/core/hy2/config.go b/core/hy2/config.go
index f35e1f2..9155311 100644
--- a/core/hy2/config.go
+++ b/core/hy2/config.go
@@ -307,10 +307,8 @@ func extractPortFromAddr(addr string) int {
 }
 
 func formatAddress(ip string, port int) string {
-	// 检查 IP 地址是否为 IPv6
 	if strings.Contains(ip, ":") {
 		return fmt.Sprintf("[%s]:%d", ip, port)
 	}
-	// 对于 IPv4 地址，直接返回 IP:Port 格式
 	return fmt.Sprintf("%s:%d", ip, port)
 }