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Code Issues Packages Projects Releases Wiki Activity

1.修复压缩包 二级目录无法解压问题 修改压缩包生成PDF路径

Browse Source 
2.修复PDF 带密码缓存问题 新增PDF带密码缓存方法 userToken
3.精简OFFICE 转换代码
4.精简TIF转换代码 新增TIF转换图片缓存 修复tif错误文件不自动释放内存 等待其他修复
5.修复下载方法错 特殊符号下载错误
6.调整文件名 统一方法在FileHandlerService
7.新增判断文件名是否被URL转义
This commit is contained in:
gaoxiongzaq
2023-10-23 17:06:05 +08:00
parent c559efcceb
commit deb91728d4
15 changed files with 529 additions and 380 deletions
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27
server/src/main/java/cn/keking/service/impl/CadFilePreviewImpl.java
View File

@@ -10,6 +10,7 @@ import cn.keking.utils.KkFileUtils;
import cn.keking.web.filter.BaseUrlFilter;
import org.springframework.stereotype.Service;
import org.springframework.ui.Model;
import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;
import static cn.keking.service.impl.OfficeFilePreviewImpl.getPreviewType;
@@ -23,7 +24,6 @@ public class CadFilePreviewImpl implements FilePreview {
private static final String OFFICE_PREVIEW_TYPE_IMAGE = "image";
private static final String OFFICE_PREVIEW_TYPE_ALL_IMAGES = "allImages";
private static final String FILE_DIR = ConfigConstants.getFileDir();
private final FileHandlerService fileHandlerService;
private final OtherFilePreviewImpl otherFilePreview;
@@ -40,18 +40,17 @@ public class CadFilePreviewImpl implements FilePreview {
String baseUrl = BaseUrlFilter.getBaseUrl();
boolean forceUpdatedCache=fileAttribute.forceUpdatedCache();
String fileName = fileAttribute.getName();
String suffix = fileAttribute.getSuffix();
String cadPreviewType = ConfigConstants.getCadPreviewType();
String pdfName = fileName.substring(0, fileName.lastIndexOf(".")) + suffix +"." + cadPreviewType ; //生成文件添加类型后缀 防止同名文件
String outFilePath = FILE_DIR + pdfName;
String cacheName = fileAttribute.getcacheName();
String outFilePath = fileAttribute.getoutFilePath();
String fileKey = fileAttribute.getFileKey(); //判断是否压缩包
// 判断之前是否已转换过，如果转换过，直接返回，否则执行转换
if (forceUpdatedCache || !fileHandlerService.listConvertedFiles().containsKey(pdfName) || !ConfigConstants.isCacheEnabled()) {
String filePath;
ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, null);
if (forceUpdatedCache || !fileHandlerService.listConvertedFiles().containsKey(cacheName) || !ConfigConstants.isCacheEnabled()) {
ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, fileName);
if (response.isFailure()) {
return otherFilePreview.notSupportedFile(model, fileAttribute, response.getMsg());
}
filePath = response.getContent();
String filePath = response.getContent();
String imageUrls = null;
if (StringUtils.hasText(outFilePath)) {
try {
@@ -63,26 +62,26 @@ public class CadFilePreviewImpl implements FilePreview {
return otherFilePreview.notSupportedFile(model, fileAttribute, "office转图片异常，请联系管理员");
}
//是否保留CAD源文件
if( ConfigConstants.getDeleteSourceFile()) {
if(ObjectUtils.isEmpty(fileKey) && ConfigConstants.getDeleteSourceFile()) {
KkFileUtils.deleteFileByPath(filePath);
}
if (ConfigConstants.isCacheEnabled()) {
// 加入缓存
fileHandlerService.addConvertedFile(pdfName, fileHandlerService.getRelativePath(outFilePath));
fileHandlerService.addConvertedFile(cacheName, fileHandlerService.getRelativePath(outFilePath));
}
}
}
if("tif".equalsIgnoreCase(cadPreviewType)){
model.addAttribute("currentUrl", pdfName);
model.addAttribute("currentUrl", cacheName);
return TIFF_FILE_PREVIEW_PAGE;
}else if("svg".equalsIgnoreCase(cadPreviewType)){
model.addAttribute("currentUrl", pdfName);
model.addAttribute("currentUrl", cacheName);
return SVG_FILE_PREVIEW_PAGE;
}
if (baseUrl != null && (OFFICE_PREVIEW_TYPE_IMAGE.equals(officePreviewType) || OFFICE_PREVIEW_TYPE_ALL_IMAGES.equals(officePreviewType))) {
return getPreviewType(model, fileAttribute, officePreviewType, baseUrl, pdfName, outFilePath, fileHandlerService, OFFICE_PREVIEW_TYPE_IMAGE,otherFilePreview);
return getPreviewType(model, fileAttribute, officePreviewType, cacheName, outFilePath, fileHandlerService, OFFICE_PREVIEW_TYPE_IMAGE,otherFilePreview);
}
model.addAttribute("pdfUrl", pdfName);
model.addAttribute("pdfUrl", cacheName);
return PDF_FILE_PREVIEW_PAGE;
}
}

5
server/src/main/java/cn/keking/service/impl/CompressFilePreviewImpl.java
View File

@@ -39,6 +39,7 @@ public class CompressFilePreviewImpl implements FilePreview {
String fileName=fileAttribute.getName();
String filePassword = fileAttribute.getFilePassword();
boolean forceUpdatedCache=fileAttribute.forceUpdatedCache();
String fileKey = fileAttribute.getFileKey(); //判断是否压缩包
String fileTree = null;
// 判断文件名是否存在(redis缓存读取)
if (forceUpdatedCache || !StringUtils.hasText(fileHandlerService.getConvertedFile(fileName)) || !ConfigConstants.isCacheEnabled()) {
@@ -48,7 +49,7 @@ public class CompressFilePreviewImpl implements FilePreview {
}
String filePath = response.getContent();
try {
fileTree = compressFileReader.unRar(filePath, filePassword,fileName);
fileTree = compressFileReader.unRar(filePath, filePassword,fileName,fileKey);
} catch (Exception e) {
Throwable[] throwableArray = ExceptionUtils.getThrowables(e);
for (Throwable throwable : throwableArray) {
@@ -62,7 +63,7 @@ public class CompressFilePreviewImpl implements FilePreview {
}
if (!ObjectUtils.isEmpty(fileTree)) {
//是否保留压缩包源文件
if (ConfigConstants.getDeleteSourceFile()) {
if (ObjectUtils.isEmpty(fileKey) && ConfigConstants.getDeleteSourceFile()) {
KkFileUtils.deleteFileByPath(filePath);
}
if (ConfigConstants.isCacheEnabled()) {

185
server/src/main/java/cn/keking/service/impl/MediaFilePreviewImpl.java
View File

@@ -1,20 +1,18 @@
package cn.keking.service.impl;
import cn.keking.config.ConfigConstants;
import cn.keking.model.FileAttribute;
import cn.keking.model.FileType;
import cn.keking.model.ReturnResponse;
import cn.keking.service.FilePreview;
import cn.keking.utils.ConfigUtils;
import cn.keking.utils.DownloadUtils;
import cn.keking.service.FileHandlerService;
import cn.keking.web.filter.BaseUrlFilter;
import cn.keking.service.FilePreview;
import cn.keking.utils.DownloadUtils;
import org.bytedeco.ffmpeg.global.avcodec;
import org.bytedeco.javacv.FFmpegFrameGrabber;
import org.bytedeco.javacv.FFmpegFrameRecorder;
import org.bytedeco.javacv.Frame;
import org.springframework.stereotype.Service;
import org.springframework.ui.Model;
import java.io.File;
/**
@@ -28,139 +26,120 @@ public class MediaFilePreviewImpl implements FilePreview {
private final FileHandlerService fileHandlerService;
private final OtherFilePreviewImpl otherFilePreview;
private static Object LOCK=new Object();
private static final String mp4 = "mp4";
public MediaFilePreviewImpl(FileHandlerService fileHandlerService, OtherFilePreviewImpl otherFilePreview) {
this.fileHandlerService = fileHandlerService;
this.otherFilePreview = otherFilePreview;
}
@Override
public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
// 不是http开头，浏览器不能直接访问，需下载到本地
if (url != null && !url.toLowerCase().startsWith("http")) {
ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, fileAttribute.getName());
if (response.isFailure()) {
return otherFilePreview.notSupportedFile(model, fileAttribute, response.getMsg());
} else {
url=BaseUrlFilter.getBaseUrl() + fileHandlerService.getRelativePath(response.getContent());
fileAttribute.setUrl(url);
String fileName = fileAttribute.getName();
String suffix = fileAttribute.getSuffix();
String cacheName = fileAttribute.getcacheName();
String outFilePath = fileAttribute.getoutFilePath();
boolean forceUpdatedCache=fileAttribute.forceUpdatedCache();
String[] mediaTypesConvert = FileType.MEDIA_TYPES_CONVERT; //获取支持的转换格式
boolean mediaTypes = false;
for(String temp : mediaTypesConvert){
if (suffix.equals(temp)) {
mediaTypes = true;
break;
}
}
if(checkNeedConvert(fileAttribute.getSuffix())){
url=convertUrl(fileAttribute);
}else{
//正常media类型
String[] medias = ConfigConstants.getMedia();
for(String media:medias){
if(media.equals(fileAttribute.getSuffix())){
model.addAttribute("mediaUrl", url);
return MEDIA_FILE_PREVIEW_PAGE;
if(!url.toLowerCase().startsWith("http") || checkNeedConvert(mediaTypes)){ //不是http协议的 // 开启转换方式并是支持转换格式的
if (forceUpdatedCache || !fileHandlerService.listConvertedFiles().containsKey(cacheName) || !ConfigConstants.isCacheEnabled()) { //查询是否开启缓存
ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, fileName);
if (response.isFailure()) {
return otherFilePreview.notSupportedFile(model, fileAttribute, response.getMsg());
}
String filePath = response.getContent();
String convertedUrl = null;
try {
if(mediaTypes){
convertedUrl=convertToMp4(filePath,outFilePath);
}else {
convertedUrl =outFilePath; //不是http协议的 但是不是转换格式的直接输出
}
} catch (Exception e) {
e.printStackTrace();
}
if (convertedUrl == null ) {
fileHandlerService.addConvertedFile(cacheName, "error"); //失败加入缓存
return otherFilePreview.notSupportedFile(model, fileAttribute, "视频转换异常，请联系管理员");
}
if (ConfigConstants.isCacheEnabled()) {
// 加入缓存
fileHandlerService.addConvertedFile(cacheName, fileHandlerService.getRelativePath(outFilePath));
}
model.addAttribute("mediaUrl", fileHandlerService.getRelativePath(outFilePath));
}else{
model.addAttribute("mediaUrl", fileHandlerService.listConvertedFiles().get(cacheName));
}
return otherFilePreview.notSupportedFile(model, fileAttribute, "暂不支持");
return MEDIA_FILE_PREVIEW_PAGE;
}
model.addAttribute("mediaUrl", url);
return MEDIA_FILE_PREVIEW_PAGE;
}
/**
* 检查视频文件处理逻辑
* 返回处理过后的url
* @return url
*/
private String convertUrl(FileAttribute fileAttribute) {
String url = fileAttribute.getUrl();
if(fileHandlerService.listConvertedMedias().containsKey(url)){
url= fileHandlerService.getConvertedMedias(url);
}else{
if(!fileHandlerService.listConvertedMedias().containsKey(url)){
synchronized(LOCK){
if(!fileHandlerService.listConvertedMedias().containsKey(url)){
String convertedUrl=convertToMp4(fileAttribute);
//加入缓存
fileHandlerService.addConvertedMedias(url,convertedUrl);
url=convertedUrl;
}
}
}
}
return url;
}
/**
* 检查视频文件转换是否已开启，以及当前文件是否需要转换
* @return
*/
private boolean checkNeedConvert(String suffix) {
private boolean checkNeedConvert(boolean mediaTypes) {
//1.检查开关是否开启
if("false".equals(ConfigConstants.getMediaConvertDisable())){
return false;
}
//2.检查当前文件是否需要转换
String[] mediaTypesConvert = FileType.MEDIA_TYPES_CONVERT;
String type = suffix;
for(String temp : mediaTypesConvert){
if(type.equals(temp)){
return true;
}
if("true".equals(ConfigConstants.getMediaConvertDisable())){
return mediaTypes;
}
return false;
}
/**
* 将浏览器不兼容视频格式转换成MP4
* @param fileAttribute
* @return
*/
private static String convertToMp4(FileAttribute fileAttribute) {
//说明：这里做临时处理，取上传文件的目录
String homePath = ConfigUtils.getHomePath();
String filePath = homePath+File.separator+"file"+File.separator+"demo"+File.separator+fileAttribute.getName();
String convertFileName=fileAttribute.getUrl().replace(fileAttribute.getSuffix(),"mp4");
File file=new File(filePath);
FFmpegFrameGrabber frameGrabber = new FFmpegFrameGrabber(file);
String fileName = null;
Frame captured_frame = null;
private static String convertToMp4(String filePath,String outFilePath)throws Exception {
FFmpegFrameGrabber frameGrabber = FFmpegFrameGrabber.createDefault(filePath);
Frame captured_frame;
FFmpegFrameRecorder recorder = null;
try {
fileName = file.getAbsolutePath().replace(fileAttribute.getSuffix(),"mp4");
File desFile=new File(fileName);
//判断一下防止穿透缓存
File desFile=new File(outFilePath);
//判断一下防止重复转换
if(desFile.exists()){
return fileName;
return outFilePath;
}
frameGrabber.start();
recorder = new FFmpegFrameRecorder(fileName, frameGrabber.getImageWidth(), frameGrabber.getImageHeight(), frameGrabber.getAudioChannels());
recorder.setVideoCodec(avcodec.AV_CODEC_ID_H264); //avcodec.AV_CODEC_ID_H264  //AV_CODEC_ID_MPEG4
recorder.setFormat("mp4");
recorder = new FFmpegFrameRecorder(outFilePath, frameGrabber.getImageWidth(), frameGrabber.getImageHeight(), frameGrabber.getAudioChannels());
// recorder.setImageHeight(640);
// recorder.setImageWidth(480);
recorder.setFormat(mp4);
recorder.setFrameRate(frameGrabber.getFrameRate());
//recorder.setSampleFormat(frameGrabber.getSampleFormat()); //
recorder.setSampleRate(frameGrabber.getSampleRate());
//视频编码属性配置 H.264 H.265 MPEG
recorder.setVideoCodec(avcodec.AV_CODEC_ID_H264);
//设置视频比特率,单位:b
recorder.setVideoBitrate(frameGrabber.getVideoBitrate());
recorder.setAspectRatio(frameGrabber.getAspectRatio());
// 设置音频通用编码格式
recorder.setAudioCodec(avcodec.AV_CODEC_ID_AAC);
//设置音频比特率,单位:b (比特率越高，清晰度/音质越好，当然文件也就越大 128000 = 182kb)
recorder.setAudioBitrate(frameGrabber.getAudioBitrate());
recorder.setAudioOptions(frameGrabber.getAudioOptions());
recorder.setAudioChannels(frameGrabber.getAudioChannels());
recorder.setFrameRate(frameGrabber.getFrameRate());
recorder.start();
while ((captured_frame = frameGrabber.grabFrame()) != null) {
try {
recorder.setTimestamp(frameGrabber.getTimestamp());
recorder.record(captured_frame);
} catch (Exception e) {
while (true) {
captured_frame = frameGrabber.grabFrame();
if (captured_frame == null) {
System.out.println("转码完成:"+filePath);
break;
}
recorder.record(captured_frame);
}
recorder.stop();
recorder.release();
frameGrabber.stop();
} catch (Exception e) {
e.printStackTrace();
return null;
}finally {
if (recorder != null) { //关闭
recorder.stop();
recorder.close();
}
frameGrabber.stop();
frameGrabber.close();
}
//是否删除源文件
//file.delete();
return convertFileName;
return outFilePath;
}
}

72
server/src/main/java/cn/keking/service/impl/OfficeFilePreviewImpl.java
View File

@@ -15,10 +15,10 @@ import org.apache.poi.EncryptedDocumentException;
import org.jodconverter.core.office.OfficeException;
import org.springframework.stereotype.Service;
import org.springframework.ui.Model;
import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;
import java.io.IOException;
import java.net.URLEncoder;
import java.util.List;
/**
@@ -30,7 +30,6 @@ public class OfficeFilePreviewImpl implements FilePreview {
public static final String OFFICE_PREVIEW_TYPE_IMAGE = "image";
public static final String OFFICE_PREVIEW_TYPE_ALL_IMAGES = "allImages";
private static final String FILE_DIR = ConfigConstants.getFileDir();
private static final String OFFICE_PASSWORD_MSG = "password";
private final FileHandlerService fileHandlerService;
@@ -47,16 +46,16 @@ public class OfficeFilePreviewImpl implements FilePreview {
public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
// 预览Type，参数传了就取参数的，没传取系统默认
String officePreviewType = fileAttribute.getOfficePreviewType();
boolean userToken = fileAttribute.getUserToken();
String baseUrl = BaseUrlFilter.getBaseUrl();
String suffix = fileAttribute.getSuffix();
String fileName = fileAttribute.getName();
String filePassword = fileAttribute.getFilePassword();
boolean forceUpdatedCache=fileAttribute.forceUpdatedCache();
String userToken = fileAttribute.getUserToken();
boolean isHtml = suffix.equalsIgnoreCase("xls") || suffix.equalsIgnoreCase("xlsx") || suffix.equalsIgnoreCase("csv") || suffix.equalsIgnoreCase("xlsm") || suffix.equalsIgnoreCase("xlt") || suffix.equalsIgnoreCase("xltm") || suffix.equalsIgnoreCase("et") || suffix.equalsIgnoreCase("ett") || suffix.equalsIgnoreCase("xlam");
String pdfName = fileName.substring(0, fileName.lastIndexOf(".") ) + suffix +"." +(isHtml ? "html" : "pdf"); //生成文件添加类型后缀 防止同名文件
String cacheFileName = userToken == null ? pdfName : userToken + "_" + pdfName;
String outFilePath = FILE_DIR + cacheFileName;
String suffix = fileAttribute.getSuffix(); //获取文件后缀
String fileName = fileAttribute.getName(); //获取文件原始名称
String filePassword = fileAttribute.getFilePassword(); //获取密码
boolean forceUpdatedCache=fileAttribute.forceUpdatedCache(); //是否启用强制更新命令
boolean isHtml =fileAttribute.getisHtml(); //xlsx 转换成html
String cacheName = fileAttribute.getcacheName(); //转换后的文件名
String outFilePath = fileAttribute.getoutFilePath(); //转换后生成文件的路径
String fileKey = fileAttribute.getFileKey(); //判断是否压缩包
if (!officePreviewType.equalsIgnoreCase("html")) {
if (ConfigConstants.getOfficeTypeWeb() .equalsIgnoreCase("web")) {
if (suffix.equalsIgnoreCase("xlsx")) {
@@ -69,40 +68,14 @@ public class OfficeFilePreviewImpl implements FilePreview {
}
}
}
if (forceUpdatedCache|| !fileHandlerService.listConvertedFiles().containsKey(pdfName) || !ConfigConstants.isCacheEnabled()) {
if (forceUpdatedCache|| !fileHandlerService.listConvertedFiles().containsKey(cacheName) || !ConfigConstants.isCacheEnabled()) {
// 下载远程文件到本地，如果文件在本地已存在不会重复下载
ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, fileName);
if (response.isFailure()) {
return otherFilePreview.notSupportedFile(model, fileAttribute, response.getMsg());
}
String filePath = response.getContent();
/*
* 1. 缓存判断-如果文件已经进行转换过，就直接返回，否则执行转换
* 2. 缓存判断-加密文件基于userToken进行缓存，如果没有就不缓存
*/
boolean isCached = false;
boolean isUseCached = false;
boolean isPwdProtectedOffice = false;
if (ConfigConstants.isCacheEnabled()) {
// 全局开启缓存
isUseCached = true;
if (!forceUpdatedCache && fileHandlerService.listConvertedFiles().containsKey(cacheFileName)) {
// 存在缓存
isCached = true;
}
if (OfficeUtils.isPwdProtected(filePath)) {
isPwdProtectedOffice = true;
if (!StringUtils.hasLength(userToken)) {
// 不缓存没有userToken的加密文件
isUseCached = false;
}
}
} else {
isPwdProtectedOffice = OfficeUtils.isPwdProtected(filePath);
}
if (!isCached) {
// 没有缓存执行转换逻辑
String filePath = response.getContent();
boolean isPwdProtectedOffice = OfficeUtils.isPwdProtected(filePath); // 判断是否加密文件
if (isPwdProtectedOffice && !StringUtils.hasLength(filePassword)) {
// 加密文件需要密码
model.addAttribute("needFilePassword", true);
@@ -118,40 +91,37 @@ public class OfficeFilePreviewImpl implements FilePreview {
model.addAttribute("filePasswordError", true);
return EXEL_FILE_PREVIEW_PAGE;
}
return otherFilePreview.notSupportedFile(model, fileAttribute, "抱歉，该文件版本不兼容，文件版本错误。");
}
if (isHtml) {
// 对转换后的文件进行操作(改变编码方式)
fileHandlerService.doActionConvertedFile(outFilePath);
}
//是否保留OFFICE源文件
if (ConfigConstants.getDeleteSourceFile()) {
if (ObjectUtils.isEmpty(fileKey) && ConfigConstants.getDeleteSourceFile()) {
KkFileUtils.deleteFileByPath(filePath);
}
if (isUseCached) {
if (userToken || !isPwdProtectedOffice) {
// 加入缓存
fileHandlerService.addConvertedFile(cacheFileName, fileHandlerService.getRelativePath(outFilePath));
fileHandlerService.addConvertedFile(cacheName, fileHandlerService.getRelativePath(outFilePath));
}
}
}
}
}
if (!isHtml && baseUrl != null && (OFFICE_PREVIEW_TYPE_IMAGE.equals(officePreviewType) || OFFICE_PREVIEW_TYPE_ALL_IMAGES.equals(officePreviewType))) {
return getPreviewType(model, fileAttribute, officePreviewType, baseUrl, cacheFileName, outFilePath, fileHandlerService, OFFICE_PREVIEW_TYPE_IMAGE, otherFilePreview);
return getPreviewType(model, fileAttribute, officePreviewType, cacheName, outFilePath, fileHandlerService, OFFICE_PREVIEW_TYPE_IMAGE, otherFilePreview);
}
cacheFileName = URLEncoder.encode(cacheFileName).replaceAll("\\+", "%20");
model.addAttribute("pdfUrl", cacheFileName);
model.addAttribute("pdfUrl", cacheName);
return isHtml ? EXEL_FILE_PREVIEW_PAGE : PDF_FILE_PREVIEW_PAGE;
}
static String getPreviewType(Model model, FileAttribute fileAttribute, String officePreviewType, String baseUrl, String pdfName, String outFilePath, FileHandlerService fileHandlerService, String officePreviewTypeImage, OtherFilePreviewImpl otherFilePreview) {
static String getPreviewType(Model model, FileAttribute fileAttribute, String officePreviewType, String pdfName, String outFilePath, FileHandlerService fileHandlerService, String officePreviewTypeImage, OtherFilePreviewImpl otherFilePreview) {
String suffix = fileAttribute.getSuffix();
boolean isPPT = suffix.equalsIgnoreCase("ppt") || suffix.equalsIgnoreCase("pptx");
List<String> imageUrls = null;
try {
imageUrls = fileHandlerService.pdf2jpg(outFilePath, pdfName, fileAttribute);
imageUrls = fileHandlerService.pdf2jpg(outFilePath,outFilePath, pdfName, fileAttribute);
} catch (Exception e) {
Throwable[] throwableArray = ExceptionUtils.getThrowables(e);
for (Throwable throwable : throwableArray) {

22
server/src/main/java/cn/keking/service/impl/PdfFilePreviewImpl.java
View File

@@ -24,37 +24,34 @@ public class PdfFilePreviewImpl implements FilePreview {
private final FileHandlerService fileHandlerService;
private final OtherFilePreviewImpl otherFilePreview;
private static final String FILE_DIR = ConfigConstants.getFileDir();
private static final String PDF_PASSWORD_MSG = "password";
public PdfFilePreviewImpl(FileHandlerService fileHandlerService, OtherFilePreviewImpl otherFilePreview) {
this.fileHandlerService = fileHandlerService;
this.otherFilePreview = otherFilePreview;
}
@Override
public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
String fileName = fileAttribute.getName();
String officePreviewType = fileAttribute.getOfficePreviewType();
boolean forceUpdatedCache=fileAttribute.forceUpdatedCache();
String pdfName = fileName.substring(0, fileName.lastIndexOf(".") + 1) + "pdf";
String outFilePath = FILE_DIR + pdfName;
String pdfName = fileAttribute.getName(); //获取原始文件名
String officePreviewType = fileAttribute.getOfficePreviewType(); //转换类型
boolean forceUpdatedCache=fileAttribute.forceUpdatedCache(); //是否启用强制更新命令
String outFilePath = fileAttribute.getoutFilePath(); //生成的文件路径
String fileNameFilePath = fileAttribute.getfileNameFilePath(); //原始文件路径
if (OfficeFilePreviewImpl.OFFICE_PREVIEW_TYPE_IMAGE.equals(officePreviewType) || OfficeFilePreviewImpl.OFFICE_PREVIEW_TYPE_ALL_IMAGES.equals(officePreviewType)) {
//当文件不存在时，就去下载
if (forceUpdatedCache || !fileHandlerService.listConvertedFiles().containsKey(pdfName) || !ConfigConstants.isCacheEnabled()) {
ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, fileName);
ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, pdfName);
if (response.isFailure()) {
return otherFilePreview.notSupportedFile(model, fileAttribute, response.getMsg());
}
outFilePath = response.getContent();
fileNameFilePath = response.getContent();
if (ConfigConstants.isCacheEnabled()) {
// 加入缓存
fileHandlerService.addConvertedFile(pdfName, fileHandlerService.getRelativePath(outFilePath));
fileHandlerService.addConvertedFile(pdfName, fileHandlerService.getRelativePath(fileNameFilePath));
}
}
List<String> imageUrls;
try {
imageUrls = fileHandlerService.pdf2jpg(outFilePath, pdfName, fileAttribute);
imageUrls = fileHandlerService.pdf2jpg(fileNameFilePath,outFilePath, pdfName, fileAttribute);
} catch (Exception e) {
Throwable[] throwableArray = ExceptionUtils.getThrowables(e);
for (Throwable throwable : throwableArray) {
@@ -91,7 +88,6 @@ public class PdfFilePreviewImpl implements FilePreview {
fileHandlerService.addConvertedFile(pdfName, fileHandlerService.getRelativePath(outFilePath));
}
} else {
pdfName = URLEncoder.encode(pdfName).replaceAll("\\+", "%20");
model.addAttribute("pdfUrl", pdfName);
}
} else {

5
server/src/main/java/cn/keking/service/impl/PictureFilePreviewImpl.java
View File

@@ -1,10 +1,7 @@
package cn.keking.service.impl;
import cn.keking.model.FileAttribute;
import cn.keking.model.ReturnResponse;
import cn.keking.service.FileHandlerService;
import cn.keking.service.FilePreview;
import cn.keking.utils.DownloadUtils;
import cn.keking.utils.KkFileUtils;
import org.springframework.stereotype.Service;
import org.springframework.ui.Model;
@@ -21,12 +18,10 @@ import java.util.List;
public class PictureFilePreviewImpl extends CommonPreviewImpl {
private final FileHandlerService fileHandlerService;
private final OtherFilePreviewImpl otherFilePreview;
public PictureFilePreviewImpl(FileHandlerService fileHandlerService, OtherFilePreviewImpl otherFilePreview) {
super(fileHandlerService, otherFilePreview);
this.fileHandlerService = fileHandlerService;
this.otherFilePreview = otherFilePreview;
}
@Override

4
server/src/main/java/cn/keking/service/impl/SimTextFilePreviewImpl.java
View File

@@ -30,12 +30,12 @@ public class SimTextFilePreviewImpl implements FilePreview {
this.fileHandlerService = fileHandlerService;
this.otherFilePreview = otherFilePreview;
}
private static final String FILE_DIR = ConfigConstants.getFileDir();
@Override
public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
String fileName = fileAttribute.getName();
boolean forceUpdatedCache=fileAttribute.forceUpdatedCache();
String filePath = FILE_DIR + fileName;
String filePath = fileAttribute.getfileNameFilePath();
if (forceUpdatedCache || !fileHandlerService.listConvertedFiles().containsKey(fileName) || !ConfigConstants.isCacheEnabled()) {
ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, fileName);
if (response.isFailure()) {

147
server/src/main/java/cn/keking/service/impl/TiffFilePreviewImpl.java
View File

@@ -8,13 +8,11 @@ import cn.keking.service.FilePreview;
import cn.keking.utils.ConvertPicUtil;
import cn.keking.utils.DownloadUtils;
import cn.keking.utils.KkFileUtils;
import cn.keking.web.filter.BaseUrlFilter;
import org.springframework.stereotype.Service;
import org.springframework.ui.Model;
import org.springframework.util.StringUtils;
import org.springframework.util.ObjectUtils;
import java.io.File;
import java.util.ArrayList;
import java.io.IOException;
import java.util.List;
/**
@@ -32,75 +30,100 @@ public class TiffFilePreviewImpl implements FilePreview {
this.fileHandlerService = fileHandlerService;
this.otherFilePreview = otherFilePreview;
}
private final String fileDir = ConfigConstants.getFileDir();
@Override
public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
String fileName = fileAttribute.getName();
String baseUrl = BaseUrlFilter.getBaseUrl();
String tifPreviewType = ConfigConstants.getTifPreviewType();
String tifOnLinePreviewType = fileAttribute.getTifPreviewType();
String suffix = fileAttribute.getSuffix();
String cacheName = fileAttribute.getcacheName();
String outFilePath = fileAttribute.getoutFilePath();
String fileKey = fileAttribute.getFileKey(); //判断是否压缩包
boolean forceUpdatedCache=fileAttribute.forceUpdatedCache();
if (StringUtils.hasText(tifOnLinePreviewType)) {
tifPreviewType = tifOnLinePreviewType;
}
if ("tif".equalsIgnoreCase(tifPreviewType)) {
model.addAttribute("currentUrl", url);
return TIFF_FILE_PREVIEW_PAGE;
} else if ("jpg".equalsIgnoreCase(tifPreviewType) || "pdf".equalsIgnoreCase(tifPreviewType)) {
String pdfName = fileName.substring(0, fileName.lastIndexOf(".")) + suffix +"." + "pdf" ; //生成文件添加类型后缀 防止同名文件
String jpgName = fileName.substring(0, fileName.lastIndexOf(".")) + suffix; //生成文件添加类型后缀 防止同名文件
String strLocalTif = fileDir + fileName;
String outFilePath = fileDir + pdfName;
if ("pdf".equalsIgnoreCase(tifPreviewType)) {
//当文件不存在时，就去下载
if (forceUpdatedCache || !fileHandlerService.listConvertedFiles().containsKey(pdfName) || !ConfigConstants.isCacheEnabled()) {
ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, fileName);
if (response.isFailure()) {
return otherFilePreview.notSupportedFile(model, fileAttribute, response.getMsg());
}
String filePath = response.getContent();
if (ConvertPicUtil.convertJpg2Pdf(filePath, outFilePath)) {
//是否保留TIFF源文件
if (ConfigConstants.getDeleteSourceFile()) {
KkFileUtils.deleteFileByPath(filePath);
if ("jpg".equalsIgnoreCase(tifPreviewType) || "pdf".equalsIgnoreCase(tifPreviewType)) {
if (forceUpdatedCache || !fileHandlerService.listConvertedFiles().containsKey(cacheName) || !ConfigConstants.isCacheEnabled()) {
ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, fileName);
if (response.isFailure()) {
return otherFilePreview.notSupportedFile(model, fileAttribute, response.getMsg());
}
String filePath = response.getContent();
if ("pdf".equalsIgnoreCase(tifPreviewType)) {
try {
ConvertPicUtil.convertJpg2Pdf(filePath, outFilePath);
} catch (Exception e) {
if (e.getMessage().contains("Bad endianness tag (not 0x4949 or 0x4d4d)") ) {
model.addAttribute("imgUrls", url);
model.addAttribute("currentUrl", url);
return PICTURE_FILE_PREVIEW_PAGE;
}else {
return otherFilePreview.notSupportedFile(model, fileAttribute, "TIF转pdf异常，请联系系统管理员!" );
}
if (ConfigConstants.isCacheEnabled()) {
// 加入缓存
fileHandlerService.addConvertedFile(pdfName, fileHandlerService.getRelativePath(outFilePath));
}
model.addAttribute("pdfUrl", pdfName);
return PDF_FILE_PREVIEW_PAGE;
} else {
return NOT_SUPPORTED_FILE_PAGE;
}
} else {
model.addAttribute("pdfUrl", pdfName);
//是否保留TIFF源文件
if (ObjectUtils.isEmpty(fileKey) && ConfigConstants.getDeleteSourceFile()) {
// KkFileUtils.deleteFileByPath(filePath);
}
if (ConfigConstants.isCacheEnabled()) {
// 加入缓存
fileHandlerService.addConvertedFile(cacheName, fileHandlerService.getRelativePath(outFilePath));
}
model.addAttribute("pdfUrl", cacheName);
return PDF_FILE_PREVIEW_PAGE;
}else {
// 将tif转换为jpg，返回转换后的文件路径、文件名的list
List<String> listPic2Jpg;
try {
listPic2Jpg = ConvertPicUtil.convertTif2Jpg(filePath, outFilePath,forceUpdatedCache);
} catch (Exception e) {
if (e.getMessage().contains("Bad endianness tag (not 0x4949 or 0x4d4d)") ) {
model.addAttribute("imgUrls", url);
model.addAttribute("currentUrl", url);
return PICTURE_FILE_PREVIEW_PAGE;
}else {
return otherFilePreview.notSupportedFile(model, fileAttribute, "TIF转JPG异常，请联系系统管理员!" );
}
}
//是否保留源文件,转换失败保留源文件,转换成功删除源文件
if(ObjectUtils.isEmpty(fileKey) && ConfigConstants.getDeleteSourceFile()) {
KkFileUtils.deleteFileByPath(filePath);
}
if (ConfigConstants.isCacheEnabled()) {
// 加入缓存
fileHandlerService.putImgCache(cacheName, listPic2Jpg);
fileHandlerService.addConvertedFile(cacheName, fileHandlerService.getRelativePath(outFilePath));
}
model.addAttribute("imgUrls", listPic2Jpg);
model.addAttribute("currentUrl", listPic2Jpg.get(0));
return PICTURE_FILE_PREVIEW_PAGE;
}
}
if ("pdf".equalsIgnoreCase(tifPreviewType)) {
model.addAttribute("pdfUrl", fileHandlerService.listConvertedFiles().get(cacheName));
return PDF_FILE_PREVIEW_PAGE;
}
else if ("jpg".equalsIgnoreCase(tifPreviewType)) {
model.addAttribute("imgUrls", fileHandlerService.getImgCache(cacheName));
model.addAttribute("currentUrl", fileHandlerService.getImgCache(cacheName).get(0));
return PICTURE_FILE_PREVIEW_PAGE;
}
}
// 不是http开头，浏览器不能直接访问，需下载到本地
if (url != null && !url.toLowerCase().startsWith("http")) {
if (forceUpdatedCache || !fileHandlerService.listConvertedFiles().containsKey(fileName) || !ConfigConstants.isCacheEnabled()) {
ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, fileName);
if (response.isFailure()) {
return otherFilePreview.notSupportedFile(model, fileAttribute, response.getMsg());
}
model.addAttribute("currentUrl", fileHandlerService.getRelativePath(response.getContent()));
if (ConfigConstants.isCacheEnabled()) {
// 加入缓存
fileHandlerService.addConvertedFile(fileName, fileHandlerService.getRelativePath(outFilePath));
}
} else {
File fileTiff = new File(strLocalTif);
// 如果本地不存在这个tif文件，则下载
if (!fileTiff.exists()) {
ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, fileName);
if (response.isFailure()) {
return otherFilePreview.notSupportedFile(model, fileAttribute, response.getMsg());
}
strLocalTif = response.getContent();
}
// 将tif转换为jpg，返回转换后的文件路径、文件名的list
List<String> listPic2Jpg = ConvertPicUtil.convertTif2Jpg(strLocalTif, jpgName);
// 将返回页面的图片url的list对象
List<String> listImageUrls = new ArrayList<>();
// 循环，拼装url的list对象
for (String strJpg : listPic2Jpg) {
listImageUrls.add(baseUrl + strJpg);
}
model.addAttribute("imgUrls", listImageUrls);
model.addAttribute("currentUrl", listImageUrls.get(0));
model.addAttribute("currentUrl", fileName);
}
return PICTURE_FILE_PREVIEW_PAGE;
return TIFF_FILE_PREVIEW_PAGE;
}
return NOT_SUPPORTED_FILE_PAGE;
model.addAttribute("currentUrl", url);
return TIFF_FILE_PREVIEW_PAGE;
}
}