Update sync_data.sh

sync_data.sh

@@ -26,8 +26,19 @@ restore_from_webdav() {
     # 获取WebDAV上所有备份文件列表
     echo "获取 WebDAV 备份文件列表..."
     
-    # 获取原始响应
-    RAW_RESPONSE=$(curl -s --user "$WEBDAV_USERNAME:$WEBDAV_PASSWORD" "$WEBDAV_URL/")
+    # 尝试使用PROPFIND方法获取目录列表（WebDAV标准方法）
+    RAW_RESPONSE=$(curl -s -X PROPFIND \
+        --user "$WEBDAV_USERNAME:$WEBDAV_PASSWORD" \
+        -H "Depth: 1" \
+        -H "Content-Type: text/xml" \
+        -d '<?xml version="1.0" encoding="utf-8"?><propfind xmlns="DAV:"><prop><displayname/></prop></propfind>' \
+        "$WEBDAV_URL/")
+    
+    # 如果PROPFIND失败，尝试简单的GET请求
+    if [ -z "$RAW_RESPONSE" ] || echo "$RAW_RESPONSE" | grep -q "Method Not Allowed"; then
+        echo "调试: PROPFIND 方法失败，尝试 GET 方法..."
+        RAW_RESPONSE=$(curl -s --user "$WEBDAV_USERNAME:$WEBDAV_PASSWORD" "$WEBDAV_URL/")
+    fi
     
     # 显示调试信息
     echo "调试: WebDAV 响应长度 $(echo "$RAW_RESPONSE" | wc -c) 字符"
@@ -38,17 +49,23 @@ restore_from_webdav() {
     echo "$RAW_RESPONSE" | grep -i mcp_backup || echo "  (未找到包含 mcp_backup 的行)"
     echo ""
     
-    # 原始的匹配方式
-    BACKUP_LIST=$(echo "$RAW_RESPONSE" | grep -o 'mcp_backup_[0-9]*_[0-9]*\.tar\.gz' | sort -r)
+    # 多种匹配方式
+    # 方式1: 从XML响应中提取文件名
+    BACKUP_LIST1=$(echo "$RAW_RESPONSE" | grep -oE '<D:displayname[^>]*>[^<]*mcp_backup_[0-9]+_[0-9]+\.tar\.gz[^<]*</D:displayname>' | sed 's/<[^>]*>//g')
     
-    echo "调试: 使用原始正则表达式找到 $(echo "$BACKUP_LIST" | grep -c mcp_backup 2>/dev/null || echo 0) 个文件"
-    if [ -n "$BACKUP_LIST" ]; then
-        echo "找到以下备份文件："
-        echo "$BACKUP_LIST" | head -5 | while read file; do echo "  - $file"; done
-        if [ $(echo "$BACKUP_LIST" | wc -l) -gt 5 ]; then
-            echo "  ... 等共 $(echo "$BACKUP_LIST" | wc -l) 个文件"
-        fi
-    fi
+    # 方式2: 从href属性中提取
+    BACKUP_LIST2=$(echo "$RAW_RESPONSE" | grep -oE 'href="[^"]*mcp_backup_[0-9]+_[0-9]+\.tar\.gz[^"]*"' | sed 's/.*href="[^"]*\///g' | sed 's/".*//g')
+    
+    # 方式3: 简单文本匹配
+    BACKUP_LIST3=$(echo "$RAW_RESPONSE" | grep -oE 'mcp_backup_[0-9]+_[0-9]+\.tar\.gz')
+    
+    # 合并所有结果
+    BACKUP_LIST=$(printf "%s\n%s\n%s\n" "$BACKUP_LIST1" "$BACKUP_LIST2" "$BACKUP_LIST3" | grep -v '^$' | sort -u | sort -r)
+    
+    echo "调试: 方式1(XML)找到 $(echo "$BACKUP_LIST1" | grep -c mcp_backup 2>/dev/null || echo 0) 个文件"
+    echo "调试: 方式2(href)找到 $(echo "$BACKUP_LIST2" | grep -c mcp_backup 2>/dev/null || echo 0) 个文件" 
+    echo "调试: 方式3(文本)找到 $(echo "$BACKUP_LIST3" | grep -c mcp_backup 2>/dev/null || echo 0) 个文件"
+    echo "调试: 合并后总共 $(echo "$BACKUP_LIST" | grep -c mcp_backup 2>/dev/null || echo 0) 个文件"
     
     if [ -z "$BACKUP_LIST" ]; then
         echo "未找到任何备份文件"
@@ -57,6 +74,12 @@ restore_from_webdav() {
         return 1
     fi
     
+    echo "找到以下备份文件："
+    echo "$BACKUP_LIST" | head -5 | while read file; do echo "  - $file"; done
+    if [ $(echo "$BACKUP_LIST" | wc -l) -gt 5 ]; then
+        echo "  ... 等共 $(echo "$BACKUP_LIST" | wc -l) 个文件"
+    fi
+    
     # 尝试下载最新的备份文件
     LATEST_BACKUP=$(echo "$BACKUP_LIST" | head -1)
     echo "尝试下载最新备份: $LATEST_BACKUP"