From 961c60dd1a546969359b717c289f7cf21d083670 Mon Sep 17 00:00:00 2001
From: 疯狂的狮子li <15040126243@163.com>
Date: 星期一, 10 五月 2021 23:53:15 +0800
Subject: [PATCH] update 更新banner

---
 ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileUtils.java |   77 +++++++++++++++++++++++++++++++++-----
 1 files changed, 67 insertions(+), 10 deletions(-)

diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileUtils.java b/ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileUtils.java
index 04d4703..587b2bf 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileUtils.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileUtils.java
@@ -1,20 +1,20 @@
 package com.ruoyi.common.utils.file;
 
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.io.OutputStream;
-import java.io.UnsupportedEncodingException;
-import java.net.URLEncoder;
+import cn.hutool.core.util.ArrayUtil;
+import cn.hutool.core.util.StrUtil;
+
 import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.*;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
 
 /**
  * 鏂囦欢澶勭悊宸ュ叿绫�
  * 
  * @author ruoyi
  */
-public class FileUtils
+public class FileUtils extends org.apache.commons.io.FileUtils
 {
     public static String FILENAME_PATTERN = "[a-zA-Z0-9_\\-\\|\\.\\u4e00-\\u9fa5]+";
 
@@ -105,14 +105,37 @@
     }
 
     /**
+     * 妫�鏌ユ枃浠舵槸鍚﹀彲涓嬭浇
+     *
+     * @param resource 闇�瑕佷笅杞界殑鏂囦欢
+     * @return true 姝ｅ父 false 闈炴硶
+     */
+    public static boolean checkAllowDownload(String resource)
+    {
+        // 绂佹鐩綍涓婅烦绾у埆
+        if (StrUtil.contains(resource, ".."))
+        {
+            return false;
+        }
+
+        // 妫�鏌ュ厑璁镐笅杞界殑鏂囦欢瑙勫垯
+        if (ArrayUtil.contains(MimeTypeUtils.DEFAULT_ALLOWED_EXTENSION, FileTypeUtils.getFileType(resource)))
+        {
+            return true;
+        }
+
+        // 涓嶅湪鍏佽涓嬭浇鐨勬枃浠惰鍒�
+        return false;
+    }
+
+    /**
      * 涓嬭浇鏂囦欢鍚嶉噸鏂扮紪鐮�
      * 
      * @param request 璇锋眰瀵硅薄
      * @param fileName 鏂囦欢鍚�
      * @return 缂栫爜鍚庣殑鏂囦欢鍚�
      */
-    public static String setFileDownloadHeader(HttpServletRequest request, String fileName)
-            throws UnsupportedEncodingException
+    public static String setFileDownloadHeader(HttpServletRequest request, String fileName) throws UnsupportedEncodingException
     {
         final String agent = request.getHeader("USER-AGENT");
         String filename = fileName;
@@ -139,4 +162,38 @@
         }
         return filename;
     }
+
+    /**
+     * 涓嬭浇鏂囦欢鍚嶉噸鏂扮紪鐮�
+     *
+     * @param response 鍝嶅簲瀵硅薄
+     * @param realFileName 鐪熷疄鏂囦欢鍚�
+     * @return
+     */
+    public static void setAttachmentResponseHeader(HttpServletResponse response, String realFileName) throws UnsupportedEncodingException
+    {
+        String percentEncodedFileName = percentEncode(realFileName);
+
+        StringBuilder contentDispositionValue = new StringBuilder();
+        contentDispositionValue.append("attachment; filename=")
+                .append(percentEncodedFileName)
+                .append(";")
+                .append("filename*=")
+                .append("utf-8''")
+                .append(percentEncodedFileName);
+
+        response.setHeader("Content-disposition", contentDispositionValue.toString());
+    }
+
+    /**
+     * 鐧惧垎鍙风紪鐮佸伐鍏锋柟娉�
+     *
+     * @param s 闇�瑕佺櫨鍒嗗彿缂栫爜鐨勫瓧绗︿覆
+     * @return 鐧惧垎鍙风紪鐮佸悗鐨勫瓧绗︿覆
+     */
+    public static String percentEncode(String s) throws UnsupportedEncodingException
+    {
+        String encode = URLEncoder.encode(s, StandardCharsets.UTF_8.toString());
+        return encode.replaceAll("\\+", "%20");
+    }
 }

--
Gitblit v1.9.3