From 55546dfc80bd2ec1be8786b19f53df4e1c1e44e5 Mon Sep 17 00:00:00 2001 From: 疯狂的狮子li <15040126243@163.com> Date: 星期二, 13 七月 2021 13:49:47 +0800 Subject: [PATCH] 发布 v2.5.1 针对 v2.5.0 版本新特性bug修复 --- ruoyi-common/src/main/java/com/ruoyi/common/utils/file/FileUtils.java | 165 ++++++++++++++++++++++++------------------------------ 1 files changed, 74 insertions(+), 91 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..bc953de 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 @@ -1,101 +1,27 @@ 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.io.FileUtil; +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 FileUtil { public static String FILENAME_PATTERN = "[a-zA-Z0-9_\\-\\|\\.\\u4e00-\\u9fa5]+"; /** - * 杈撳嚭鎸囧畾鏂囦欢鐨刡yte鏁扮粍 - * - * @param filePath 鏂囦欢璺緞 - * @param os 杈撳嚭娴� - * @return - */ - public static void writeBytes(String filePath, OutputStream os) throws IOException - { - FileInputStream fis = null; - try - { - File file = new File(filePath); - if (!file.exists()) - { - throw new FileNotFoundException(filePath); - } - fis = new FileInputStream(file); - byte[] b = new byte[1024]; - int length; - while ((length = fis.read(b)) > 0) - { - os.write(b, 0, length); - } - } - catch (IOException e) - { - throw e; - } - finally - { - if (os != null) - { - try - { - os.close(); - } - catch (IOException e1) - { - e1.printStackTrace(); - } - } - if (fis != null) - { - try - { - fis.close(); - } - catch (IOException e1) - { - e1.printStackTrace(); - } - } - } - } - - /** - * 鍒犻櫎鏂囦欢 - * - * @param filePath 鏂囦欢 - * @return - */ - public static boolean deleteFile(String filePath) - { - boolean flag = false; - File file = new File(filePath); - // 璺緞涓烘枃浠朵笖涓嶄负绌哄垯杩涜鍒犻櫎 - if (file.isFile() && file.exists()) - { - file.delete(); - flag = true; - } - return flag; - } - - /** * 鏂囦欢鍚嶇О楠岃瘉 - * + * * @param filename 鏂囦欢鍚嶇О * @return true 姝e父 false 闈炴硶 */ @@ -105,21 +31,44 @@ } /** + * 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; if (agent.contains("MSIE")) { // IE娴忚鍣� - filename = URLEncoder.encode(filename, "utf-8"); + filename = URLEncoder.encode(filename, StandardCharsets.UTF_8.toString()); filename = filename.replace("+", " "); } else if (agent.contains("Firefox")) @@ -130,13 +79,47 @@ else if (agent.contains("Chrome")) { // google娴忚鍣� - filename = URLEncoder.encode(filename, "utf-8"); + filename = URLEncoder.encode(filename, StandardCharsets.UTF_8.toString()); } else { // 鍏跺畠娴忚鍣� - filename = URLEncoder.encode(filename, "utf-8"); + filename = URLEncoder.encode(filename, StandardCharsets.UTF_8.toString()); } 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