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file-online-preview
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Code Issues Releases Wiki Activity

修复压缩获取路径错误，图片合集路径错误，水印问题等BUG

This commit is contained in:
gaoxiongzaq 2024-05-27 14:21:11 +08:00
parent 0a4ae41b0c
commit 48ac926289
6 changed files with 39 additions and 25 deletions
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16
server/src/main/java/cn/keking/service/CompressFileReader.java
View File

@ -20,6 +20,7 @@ import java.io.IOException;
import java.io.OutputStream;
import java.io.RandomAccessFile;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
@ -48,7 +49,6 @@ public class CompressFileReader {
if (fileAttribute.isCompressFile()) {
folderName = "_decompression" + folderName;
}
Path folderPath = Paths.get(fileDir, folderName + packagePath);
Files.createDirectories(folderPath);
@ -67,14 +67,18 @@ public class CompressFileReader {
}
return data.length;
}, filePassword);
if (result != ExtractOperationResult.OK) {
throw new Exception("Failed to extract RAR file.");
ExtractOperationResult result1 = ExtractOperationResult.valueOf("WRONG_PASSWORD");
if (result1.equals(result)) {
throw new Exception("Password");
}else {
throw new Exception("Failed to extract RAR file.");
}
}
FileType type = FileType.typeFromUrl(filePathInsideArchive.toString());
if (type.equals(FileType.PICTURE)) {
imgUrls.add(baseUrl + folderPath.relativize(filePathInsideArchive).toString().replace("\\", "/"));
if (type.equals(FileType.PICTURE)) { //图片缓存到集合，为了特殊符号需要进行编码
imgUrls.add(baseUrl + URLEncoder.encode(fileName + packagePath+"/"+ folderPath.relativize(filePathInsideArchive).toString().replace("\\", "/"), "UTF-8"));
}
}
}
@ -106,4 +110,4 @@ public class CompressFileReader {
}
}
}

6
server/src/main/java/cn/keking/service/FileHandlerService.java
View File

@ -474,11 +474,7 @@ public class FileHandlerService implements InitializingBean {
boolean isCompressFile = !ObjectUtils.isEmpty(compressFileKey);
if (isCompressFile) { //判断是否使用特定压缩包符号
try {
// http://127.0.0.1:8012/各类型文件1 - 副本.zip_/各类型文件/正常预览/PPT转的PDF.pdf?kkCompressfileKey=各类型文件1 - 副本.zip_
// http://127.0.0.1:8012/preview/各类型文件1 - 副本.zip_/各类型文件/正常预览/PPT转的PDF.pdf?kkCompressfileKey=各类型文件1 - 副本.zip_ 获取路径就会错误 需要下面的方法
String urlStrr = getSubString(compressFilePath, compressFileKey); //反代情况下添加前缀,只获取有压缩包字符的路径
originFileName = compressFileKey + urlStrr.trim(); //拼接完整路径
originFileName = URLDecoder.decode(originFileName, uriEncoding); //压缩包文件中文编码问题
originFileName = URLDecoder.decode(originFileName, uriEncoding); //转义的文件名 解下出原始文件名
attribute.setSkipDownLoad(true);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();

14
server/src/main/java/cn/keking/service/impl/CompressFilePreviewImpl.java
View File

@ -54,15 +54,11 @@ public class CompressFilePreviewImpl implements FilePreview {
try {
fileTree = compressFileReader.unRar(filePath, filePassword, fileName, fileAttribute);
} catch (Exception e) {
logger.error("Error processing RAR file: " + e.getMessage(), e);
Throwable[] throwableArray = ExceptionUtils.getThrowables(e);
for (Throwable throwable : throwableArray) {
if (throwable instanceof IOException || throwable instanceof EncryptedDocumentException) {
if (e.getMessage().toLowerCase().contains(Rar_PASSWORD_MSG)) {
model.addAttribute("needFilePassword", true);
return EXEL_FILE_PREVIEW_PAGE;
}
}
if (e.getMessage().toLowerCase().contains(Rar_PASSWORD_MSG)) {
model.addAttribute("needFilePassword", true);
return EXEL_FILE_PREVIEW_PAGE;
}else {
logger.error("Error processing RAR file: " + e.getMessage(), e);
}
}
if (!ObjectUtils.isEmpty(fileTree)) {

2
server/src/main/java/cn/keking/utils/RarUtils.java
View File

@ -77,7 +77,7 @@ public class RarUtils {
}
public static String specialSymbols(String str) {
//去除压缩包文件字符串中特殊符号
Pattern p = Pattern.compile("\\s|\t|\r|\n|\\+|#|&|=|\\p{P}");
Pattern p = Pattern.compile("\\s|\t|\r|\n|\\+|#|&|=|<EFBFBD>|\\p{P}");
// Pattern p = Pattern.compile("\\s|\\+|#|&|=|\\p{P}");
Matcher m = p.matcher(str);
return m.replaceAll("");

1
server/src/main/java/cn/keking/web/controller/FileController.java
View File

@ -213,6 +213,7 @@ public class FileController {
String errorMsg = String.format(BASE64_DECODE_ERROR_MSG, "url");
return ReturnResponse.failure(errorMsg);
}
fileUrl = fileUrl.replaceAll("http://", "");
if (KkFileUtils.isIllegalFileName(fileUrl)) {
return ReturnResponse.failure("不允许访问的路径:");
}

25
server/src/main/resources/web/compress.ftl
View File

@ -2,7 +2,7 @@
<html>
<head>
<meta charset="utf-8"/>
<title>压缩包预览</title>
<title>${file.name}压缩包预览</title>
<script src="js/jquery-3.6.1.min.js"></script>
<#include "*/commonHeader.ftl">
<script src="js/base64.min.js" type="text/javascript"></script>
@ -49,14 +49,28 @@
onClick: chooseNode,
}
};
function isNotEmpty(value) {
return value !== null && value !== undefined && value !== '' && value !== 0 && !(value instanceof Array && value.length === 0) && !isNaN(value);
}
function getQueryParam(url, param) {
var urlObj = new URL(url);
return urlObj.searchParams.get(param);
}
var currentUrl = window.location.href;
var keyword = getQueryParam(currentUrl, 'watermarkTxt');
function chooseNode(event, treeId, treeNode) {
if (!treeNode.isParent) {
var path = '${baseUrl}' + treeNode.id + "?kkCompressfileKey=" + encodeURIComponent('${fileTree}')+"&kkCompressfilepath=" + encodeURIComponent(treeNode.id)+"&fullfilename="+encodeURIComponent(treeNode.name);
location.href = "${baseUrl}onlinePreview?url=" + encodeURIComponent(Base64.encode(path));
var path = '${baseUrl}'+encodeURIComponent(treeNode.id)+"?kkCompressfileKey="+'${fileTree}'+"&kkCompressfilepath="+encodeURIComponent(treeNode.id)+"&fullfilename="+encodeURIComponent(treeNode.name);
if (isNotEmpty(keyword)){
location.href = "${baseUrl}onlinePreview?url=" + encodeURIComponent(Base64.encode(path))+"&watermarkTxt="+keyword;
}else{
location.href = "${baseUrl}onlinePreview?url=" + encodeURIComponent(Base64.encode(path));}
}
}
$(document).ready(function () {
var url = '${fileTree}';
var url = "http://"+'${fileTree}'; //添加http协议方法
$.ajax({
type: "get",
url: "${baseUrl}directory?urls="+encodeURIComponent(Base64.encode(url)),
@ -66,6 +80,9 @@
}
});
});
window.onload = function () {
initWaterMark();
}
</script>
</body>
</html>