v3.6.0 版本发布

Bumps commons-io from 1.4 to 2.7.

Signed-off-by: dependabot[bot] <support@github.com>

Dockerfile

@@ -14,10 +14,19 @@ RUN echo "deb http://mirrors.aliyun.com/ubuntu/ focal main restricted universe m
 	apt-get install xfonts-wqy &&\
     cd /tmp &&\
 	wget https://kkfileview.keking.cn/server-jre-8u251-linux-x64.tar.gz &&\
-	wget https://kkfileview.keking.cn/Apache_OpenOffice_4.1.6_Linux_x86-64_install-deb_zh-CN.tar.gz -cO openoffice_deb.tar.gz &&\
 	tar -zxf /tmp/server-jre-8u251-linux-x64.tar.gz && mv /tmp/jdk1.8.0_251 /usr/local/ &&\
+
+#	安装 OpenOffice
+	wget https://kkfileview.keking.cn/Apache_OpenOffice_4.1.6_Linux_x86-64_install-deb_zh-CN.tar.gz -cO openoffice_deb.tar.gz &&\
 	tar -zxf /tmp/openoffice_deb.tar.gz && cd /tmp/zh-CN/DEBS &&\
 	dpkg -i *.deb && dpkg -i desktop-integration/openoffice4.1-debian-menus_4.1.6-9790_all.deb &&\
+
+#	安装 libreoffice
+#    apt-get install -y libxinerama1 libcairo2 libcups2 libx11-xcb1 &&\
+#    wget https://mirrors.cloud.tencent.com/libreoffice/libreoffice/stable/7.1.3/deb/x86_64/LibreOffice_7.1.3_Linux_x86-64_deb.tar.gz -cO libreoffice_deb.tar.gz &&\
+#    tar -zxf /tmp/libreoffice_deb.tar.gz && cd /tmp/LibreOffice_7.1.3.2_Linux_x86-64_deb/DEBS &&\
+#    dpkg -i *.deb &&\
+
 	rm -rf /tmp/* && rm -rf /var/lib/apt/lists/* &&\
     cd /usr/share/fonts/chienes &&\
     mkfontscale &&\
@@ -28,5 +37,5 @@ ENV CLASSPATH $JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
 ENV PATH $PATH:$JAVA_HOME/bin
 ENV LANG zh_CN.UTF-8
 ENV LC_ALL zh_CN.UTF-8
-ENV KKFILEVIEW_BIN_FOLDER /opt/kkFileView-3.5/bin
-ENTRYPOINT ["java","-Dfile.encoding=UTF-8","-Dsun.java2d.cmm=sun.java2d.cmm.kcms.KcmsServiceProvider","-Dspring.config.location=/opt/kkFileView-3.5/config/application.properties","-jar","/opt/kkFileView-3.5/bin/kkFileView-3.5.jar"]
+ENV KKFILEVIEW_BIN_FOLDER /opt/kkFileView-3.6.0/bin
+ENTRYPOINT ["java","-Dfile.encoding=UTF-8","-Dsun.java2d.cmm=sun.java2d.cmm.kcms.KcmsServiceProvider","-Dspring.config.location=/opt/kkFileView-3.6.0/config/application.properties","-jar","/opt/kkFileView-3.6.0/bin/kkFileView-3.6.0.jar"]

README.md

@@ -110,6 +110,14 @@ pdf预览模式预览效果如下
 
 ### 历史更新记录
 
+> 2021年6月17日，v3.6.0 版本发布 ：
+
+ofd 类型文件支持版本，本次版本重要功能均由社区开发贡献，感谢 @gaoxingzaq、@zhangxiaoxiao9527 的代码贡献
+1. 新增 ofd 类型文件预览支持，ofd 是国产的类似 pdf 格式的文件
+2. 新增了 ffmpeg 视频文件转码预览支持，打开转码功能后，理论上支持所有主流视频的预览，如 rm、rmvb、flv 等
+3. 美化了 ppt、pptx 类型文件预览效果，比之前版本好看太多
+4. 更新了 pdfbox、xstream、common-io 等依赖的版本
+
 > 2021年1月28日 ：
 
 2020农历年最后一个版本发布，主要包含了部分 UI 改进，和解决了 QQ 群友、 Issue 里反馈的 Bug 修复，最最重要的是发个新版，过个好年

office-plugin/pom.xml

@@ -7,7 +7,7 @@
     <parent>
         <artifactId>filepreview</artifactId>
         <groupId>cn.keking</groupId>
-        <version>3.5</version>
+        <version>3.6.0</version>
     </parent>
 
     <artifactId>office-plugin</artifactId>
@@ -24,7 +24,7 @@
         <dependency>
             <groupId>commons-io</groupId>
             <artifactId>commons-io</artifactId>
-            <version>1.4</version>
+            <version>2.7</version>
         </dependency>
         <dependency>
             <groupId>org.openoffice</groupId>

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>cn.keking</groupId>
     <artifactId>filepreview</artifactId>
-    <version>3.5</version>
+    <version>3.6.0</version>
 
     <properties>
         <java.version>1.8</java.version>

server/pom.xml

@@ -6,7 +6,7 @@
     <parent>
         <artifactId>filepreview</artifactId>
         <groupId>cn.keking</groupId>
-        <version>3.5</version>
+        <version>3.6.0</version>
     </parent>
 
     <artifactId>kkFileView</artifactId>
@@ -149,7 +149,7 @@
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>
             <artifactId>xstream</artifactId>
-            <version>1.4.15</version>
+            <version>1.4.17</version>
         </dependency>
         <dependency>
             <groupId>com.googlecode.concurrentlinkedhashmap</groupId>
@@ -164,7 +164,7 @@
         <dependency>
             <groupId>org.apache.pdfbox</groupId>
             <artifactId>pdfbox</artifactId>
-            <version>2.0.15</version>
+            <version>2.0.24</version>
         </dependency>
         <dependency>
             <groupId>org.apache.pdfbox</groupId>
@@ -192,6 +192,64 @@
             <artifactId>galimatias</artifactId>
             <version>0.2.1</version>
         </dependency>
+
+        <!-- 以下是bytedeco 基于opencv ffmpeg封装的javacv，用于视频处理 -->
+        <dependency>
+            <groupId>org.bytedeco</groupId>
+            <artifactId>javacv</artifactId>
+            <version>1.5.2</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.bytedeco</groupId>
+            <artifactId>javacpp</artifactId>
+            <version>1.5.2</version>
+        </dependency>
+
+        <!-- 此版本中主要兼容linux和windows系统，如需兼容其他系统平台，请引入对应依赖即可 -->
+        <dependency>
+            <groupId>org.bytedeco</groupId>
+            <artifactId>opencv</artifactId>
+            <version>4.1.2-1.5.2</version>
+            <classifier>linux-x86_64</classifier>
+        </dependency>
+
+        <dependency>
+            <groupId>org.bytedeco</groupId>
+            <artifactId>opencv</artifactId>
+            <version>4.1.2-1.5.2</version>
+            <classifier>windows-x86_64</classifier>
+        </dependency>
+
+        <dependency>
+            <groupId>org.bytedeco</groupId>
+            <artifactId>openblas</artifactId>
+            <version>0.3.6-1.5.1</version>
+            <classifier>linux-x86_64</classifier>
+        </dependency>
+
+        <dependency>
+            <groupId>org.bytedeco</groupId>
+            <artifactId>openblas</artifactId>
+            <version>0.3.6-1.5.1</version>
+            <classifier>windows-x86_64</classifier>
+        </dependency>
+
+        <dependency>
+            <groupId>org.bytedeco</groupId>
+            <artifactId>ffmpeg</artifactId>
+            <version>4.2.1-1.5.2</version>
+            <classifier>linux-x86_64</classifier>
+        </dependency>
+
+        <dependency>
+            <groupId>org.bytedeco</groupId>
+            <artifactId>ffmpeg</artifactId>
+            <version>4.2.1-1.5.2</version>
+            <classifier>windows-x86_64</classifier>
+        </dependency>
+
+
     </dependencies>
 
     <build>

server/src/main/bin/startup.bat

@@ -6,4 +6,4 @@ echo Starting kkFileView...
 echo Please check log file in ../log/kkFileView.log for more information
 echo You can get help in our official homesite: https://kkFileView.keking.cn
 echo If this project is helpful to you, please star it on https://gitee.com/kekingcn/file-online-preview/stargazers
-java -Dspring.config.location=..\config\application.properties -jar kkFileView-3.5.jar -> ..\log\kkFileView.log
+java -Dspring.config.location=..\config\application.properties -jar kkFileView-3.6.0.jar -> ..\log\kkFileView.log

server/src/main/bin/startup.sh

@@ -29,4 +29,4 @@ echo "Starting kkFileView..."
 echo "Please execute ./showlog.sh to check log for more information"
 echo "You can get help in our official homesite: https://kkFileView.keking.cn"
 echo "If this project is helpful to you, please star it on https://gitee.com/kekingcn/file-online-preview/stargazers"
-nohup java -Dfile.encoding=UTF-8 -Dspring.config.location=../config/application.properties -jar kkFileView-3.5.jar > ../log/kkFileView.log 2>&1 &
+nohup java -Dfile.encoding=UTF-8 -Dspring.config.location=../config/application.properties -jar kkFileView-3.6.0.jar > ../log/kkFileView.log 2>&1 &

server/src/main/config/application.properties

@@ -33,7 +33,7 @@ office.home = ${KK_OFFICE_HOME:default}
 cache.type =  ${KK_CACHE_TYPE:jdk}
 #redis连接，只有当cache.type = redis时才有用
 spring.redisson.address = ${KK_SPRING_REDISSON_ADDRESS:127.0.0.1:6379}
-spring.redisson.password = ${KK_SPRING_REDISSON_PASSWORD:123456}
+spring.redisson.password = ${KK_SPRING_REDISSON_PASSWORD:}
 #缓存是否自动清理 true 为开启，注释掉或其他值都为关闭
 cache.clean.enabled = ${KK_CACHE_CLEAN_ENABLED:true}
 #缓存自动清理时间，cache.clean.enabled = true时才有用，cron表达式，基于Quartz cron
@@ -55,6 +55,11 @@ cache.enabled = ${KK_CACHE_ENABLED:true}
 simText = ${KK_SIMTEXT:txt,html,htm,asp,jsp,xml,json,properties,md,gitignore,log,java,py,c,cpp,sql,sh,bat,m,bas,prg,cmd}
 #多媒体类型，默认如下，可自定义添加
 media = ${KK_MEDIA:mp3,wav,mp4,flv}
+#是否开启多媒体类型转视频格式转换,目前可转换视频格式有：avi,mov,wmv,3gp,rm
+#请谨慎开启此功能，建议异步调用添加到处理队列，并且增加任务队列处理线程，防止视频转换占用完线程资源，转换比较耗费时间,并且控制了只能串行处理转换任务
+media.convert.disable = ${KK_MEDIA_CONVERT_DISABLE:false}
+#支持转换的视频类型
+convertMedias = ${KK_CONVERTMEDIAS:avi,mov,wmv,mkv,3gp,rm}
 #office类型文档(word ppt)样式，默认为图片(image)，可配置为pdf（预览时也有按钮切换）
 office.preview.type = ${KK_OFFICE_PREVIEW_TYPE:image}
 #是否关闭office预览切换开关，默认为false，可配置为true关闭

server/src/main/config/freemarker_implicit.ftl

@@ -1,5 +1,6 @@
 [#ftl]
 [#-- @implicitly included --]
+[#-- @ftlvariable name="initializeMemorySize" type="java.lang.Number" --]
 [#-- @ftlvariable name="currentUrl" type="java.lang.String" --]
 [#-- @ftlvariable name="file" type="cn.keking.model.FileAttribute" --]
 [#-- @ftlvariable name="fileName" type="java.lang.String" --]

server/src/main/java/cn/keking/config/ConfigConstants.java

@@ -24,6 +24,8 @@ public class ConfigConstants {
     private static Boolean cacheEnabled;
     private static String[] simTexts = {};
     private static String[] medias = {};
+    private static String[] convertMedias = {};
+    private static String mediaConvertDisable;
     private static String officePreviewType;
     private static String officePreviewSwitchDisabled;
     private static String ftpUsername;
@@ -89,6 +91,33 @@ public class ConfigConstants {
         ConfigConstants.medias = Media;
     }
 
+    public static String[] getConvertMedias() {
+        return convertMedias;
+    }
+
+    @Value("${convertMedias:avi,mov,wmv,mkv,3gp,rm}")
+    public void setConvertMedias(String convertMedia) {
+        String[] mediaArr = convertMedia.split(",");
+        setConvertMediaValue(mediaArr);
+    }
+
+    public static void setConvertMediaValue(String[] ConvertMedia) {
+        ConfigConstants.convertMedias = ConvertMedia;
+    }
+
+    public static String getMediaConvertDisable() {
+        return mediaConvertDisable;
+    }
+
+
+    @Value("${media.convert.disable:true}")
+    public void setMediaConvertDisable(String mediaConvertDisable) {
+        setMediaConvertDisableValue(mediaConvertDisable);
+    }
+    public static void setMediaConvertDisableValue(String mediaConvertDisable) {
+        ConfigConstants.mediaConvertDisable = mediaConvertDisable;
+    }
+
     public static String getOfficePreviewType() {
         return officePreviewType;
     }

server/src/main/java/cn/keking/config/ConfigRefreshComponent.java

@@ -57,7 +57,7 @@ public class ConfigRefreshComponent {
                     text = properties.getProperty("simText", ConfigConstants.DEFAULT_TXT_TYPE);
                     media = properties.getProperty("media", ConfigConstants.DEFAULT_MEDIA_TYPE);
                     officePreviewType = properties.getProperty("office.preview.type", ConfigConstants.DEFAULT_OFFICE_PREVIEW_TYPE);
-                    officePreviewSwitchDisabled = properties.getProperty("office.preview.switch.disabled", ConfigConstants.DEFAULT_OFFICE_PREVIEW_TYPE);
+                    officePreviewSwitchDisabled = properties.getProperty("office.preview.switch.disabled", ConfigConstants.DEFAULT_OFFICE_PREVIEW_SWITCH_DISABLED);
                     ftpUsername = properties.getProperty("ftp.username", ConfigConstants.DEFAULT_FTP_USERNAME);
                     ftpPassword = properties.getProperty("ftp.password", ConfigConstants.DEFAULT_FTP_PASSWORD);
                     ftpControlEncoding = properties.getProperty("ftp.control.encoding", ConfigConstants.DEFAULT_FTP_CONTROL_ENCODING);

server/src/main/java/cn/keking/config/RedissonConfig.java

@@ -1,6 +1,7 @@
 package cn.keking.config;
 
 import io.netty.channel.nio.NioEventLoopGroup;
+import org.apache.commons.lang3.StringUtils;
 import org.redisson.client.codec.Codec;
 import org.redisson.config.Config;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
@@ -63,7 +64,7 @@ public class RedissonConfig {
                 .setConnectTimeout(connectTimeout)
                 .setIdleConnectionTimeout(idleConnectionTimeout)
                 .setPingTimeout(pingTimeout)
-                .setPassword(password);
+                .setPassword(StringUtils.trimToNull(password));
         Codec codec=(Codec) ClassUtils.forName(getCodec(), ClassUtils.getDefaultClassLoader()).newInstance();
         config.setCodec(codec);
         config.setThreads(thread);

server/src/main/java/cn/keking/model/FileType.java

@@ -23,16 +23,21 @@ public enum FileType {
     XML("xmlFilePreviewImpl"),
     FLV("flvFilePreviewImpl"),
     CAD("cadFilePreviewImpl"),
-    TIFF("tiffFilePreviewImpl");
+    TIFF("tiffFilePreviewImpl"),
+    PPT("pptFilePreviewImpl"),
+    OFD("ofdFilePreviewImpl");
 
 
-    private static final String[] OFFICE_TYPES = {"docx", "wps", "doc", "xls", "xlsx", "ppt", "pptx"};
+    private static final String[] OFFICE_TYPES = {"docx", "wps", "doc", "xls", "xlsx"};
+    private static final String[] PPT_TYPES = {"ppt", "pptx"};
     private static final String[] PICTURE_TYPES = {"jpg", "jpeg", "png", "gif", "bmp", "ico", "raw"};
     private static final String[] ARCHIVE_TYPES = {"rar", "zip", "jar", "7-zip", "tar", "gzip", "7z"};
     private static final String[] TIFF_TYPES = {"tif", "tiff"};
+    private static final String[] OFD_TYPES = {"ofd"};
     private static final String[] SSIM_TEXT_TYPES = ConfigConstants.getSimText();
-    private static final String[] CODES = {"java", "c", "php", "go", "python", "py", "js", "html", "ftl", "css", "lua", "sh", "rb", "yml", "json", "h", "cpp", "cs", "aspx", "jsp"};
+    private static final String[] CODES = {"java", "c", "php", "go", "python", "py", "js", "html", "ftl", "css", "lua", "sh", "rb", "yaml", "yml", "json", "h", "cpp", "cs", "aspx", "jsp"};
     private static final String[] MEDIA_TYPES = ConfigConstants.getMedia();
+    public static final String[] MEDIA_TYPES_CONVERT = ConfigConstants.getConvertMedias();
     private static final Map<String, FileType> FILE_TYPE_MAPPER = new HashMap<>();
 
     static {
@@ -51,12 +56,21 @@ public enum FileType {
         for (String media : MEDIA_TYPES) {
             FILE_TYPE_MAPPER.put(media, FileType.MEDIA);
         }
+        for (String media : MEDIA_TYPES_CONVERT) {
+            FILE_TYPE_MAPPER.put(media, FileType.MEDIA);
+        }
         for (String tif : TIFF_TYPES) {
             FILE_TYPE_MAPPER.put(tif, FileType.TIFF);
         }
         for (String code : CODES) {
             FILE_TYPE_MAPPER.put(code, FileType.CODE);
         }
+        for (String ofd : OFD_TYPES) {
+            FILE_TYPE_MAPPER.put(ofd, FileType.OFD);
+        }
+        for (String ppt : PPT_TYPES) {
+            FILE_TYPE_MAPPER.put(ppt, FileType.PPT);
+        }
         FILE_TYPE_MAPPER.put("md", FileType.MARKDOWN);
         FILE_TYPE_MAPPER.put("xml", FileType.XML);
         FILE_TYPE_MAPPER.put("pdf", FileType.PDF);

server/src/main/java/cn/keking/service/FileConvertQueueTask.java

@@ -7,9 +7,8 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Service;
 import org.springframework.ui.ExtendedModelMap;
+
 import javax.annotation.PostConstruct;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
 import java.util.concurrent.TimeUnit;
 
 /**
@@ -32,8 +31,8 @@ public class FileConvertQueueTask {
 
     @PostConstruct
     public void startTask() {
-        ExecutorService executorService = Executors.newFixedThreadPool(1);
-        executorService.submit(new ConvertTask(previewFactory, cacheService, fileHandlerService));
+        new Thread(new ConvertTask(previewFactory, cacheService, fileHandlerService))
+                .start();
         logger.info("队列处理文件转换任务启动完成 ");
     }
 
@@ -62,7 +61,7 @@ public class FileConvertQueueTask {
                         FileAttribute fileAttribute = fileHandlerService.getFileAttribute(url, null);
                         FileType fileType = fileAttribute.getType();
                         logger.info("正在处理预览转换任务，url：{}，预览类型：{}", url, fileType);
-                        if(fileType.equals(FileType.COMPRESS) || fileType.equals(FileType.OFFICE) || fileType.equals(FileType.CAD)) {
+                        if (isNeedConvert(fileType)) {
                             FilePreview filePreview = previewFactory.get(fileAttribute);
                             filePreview.filePreviewHandle(url, new ExtendedModelMap(), fileAttribute);
                         } else {
@@ -73,12 +72,18 @@ public class FileConvertQueueTask {
                     try {
                         TimeUnit.SECONDS.sleep(10);
                     } catch (Exception ex) {
+                        Thread.currentThread().interrupt();
                         ex.printStackTrace();
                     }
                     logger.info("处理预览转换任务异常，url：{}", url, e);
                 }
             }
         }
+
+        public boolean isNeedConvert(FileType fileType) {
+            return fileType.equals(FileType.COMPRESS) || fileType.equals(FileType.OFFICE) || fileType.equals(FileType.CAD) || fileType.equals(FileType.PPT);
+
+        }
     }
 
 }

server/src/main/java/cn/keking/service/FileHandlerService.java

@@ -286,4 +286,27 @@ public class FileHandlerService {
         }
         return attribute;
     }
+
+    /**
+     * @return 已转换过的视频文件集合(缓存)
+     */
+    public Map<String, String> listConvertedMedias() {
+        return cacheService.getMediaConvertCache();
+    }
+
+    /**
+     * 添加转换后的视频文件缓存
+     * @param fileName
+     * @param value
+     */
+    public void addConvertedMedias(String fileName, String value) {
+        cacheService.putMediaConvertCache(fileName, value);
+    }
+
+    /**
+     * @return 已转换视频文件缓存，根据文件名获取
+     */
+    public String getConvertedMedias(String key) {
+        return cacheService.getMediaConvertCache(key);
+    }
 }

server/src/main/java/cn/keking/service/FilePreview.java

@@ -11,10 +11,12 @@ public interface FilePreview {
 
     String FLV_FILE_PREVIEW_PAGE = "flv";
     String PDF_FILE_PREVIEW_PAGE = "pdf";
+    String PPT_FILE_PREVIEW_PAGE = "ppt";
     String COMPRESS_FILE_PREVIEW_PAGE = "compress";
     String MEDIA_FILE_PREVIEW_PAGE = "media";
     String PICTURE_FILE_PREVIEW_PAGE = "picture";
     String TIFF_FILE_PREVIEW_PAGE = "tiff";
+    String OFD_FILE_PREVIEW_PAGE = "ofd";
     String OFFICE_PICTURE_FILE_PREVIEW_PAGE = "officePicture";
     String TXT_FILE_PREVIEW_PAGE = "txt";
     String CODE_FILE_PREVIEW_PAGE = "code";

server/src/main/java/cn/keking/service/cache/CacheService.java

@@ -12,15 +12,18 @@ public interface CacheService {
     String FILE_PREVIEW_PDF_KEY = "converted-preview-pdf-file";
     String FILE_PREVIEW_IMGS_KEY = "converted-preview-imgs-file";//压缩包内图片文件集合
     String FILE_PREVIEW_PDF_IMGS_KEY = "converted-preview-pdfimgs-file";
+    String FILE_PREVIEW_MEDIA_CONVERT_KEY = "converted-preview-media-file";
     String TASK_QUEUE_NAME = "convert-task";
 
     Integer DEFAULT_PDF_CAPACITY = 500000;
     Integer DEFAULT_IMG_CAPACITY = 500000;
     Integer DEFAULT_PDFIMG_CAPACITY = 500000;
+    Integer DEFAULT_MEDIACONVERT_CAPACITY = 500000;
 
     void initPDFCachePool(Integer capacity);
     void initIMGCachePool(Integer capacity);
     void initPdfImagesCachePool(Integer capacity);
+    void initMediaConvertCachePool(Integer capacity);
     void putPDFCache(String key, String value);
     void putImgCache(String key, List<String> value);
     Map<String, String> getPDFCache();
@@ -29,6 +32,9 @@ public interface CacheService {
     List<String> getImgCache(String key);
     Integer getPdfImageCache(String key);
     void putPdfImageCache(String pdfFilePath, int num);
+    Map<String, String> getMediaConvertCache();
+    void putMediaConvertCache(String key, String value);
+    String getMediaConvertCache(String key);
     void cleanCache();
     void addQueueTask(String url);
     String takeQueueTask() throws InterruptedException;

server/src/main/java/cn/keking/service/cache/impl/CacheServiceJDKImpl.java

@@ -26,6 +26,7 @@ public class CacheServiceJDKImpl implements CacheService {
     private Map<String, String> pdfCache;
     private Map<String, List<String>> imgCache;
     private Map<String, Integer> pdfImagesCache;
+    private Map<String, String> mediaConvertCache;
     private static final int QUEUE_SIZE = 500000;
     private final BlockingQueue<String> blockingQueue = new ArrayBlockingQueue<>(QUEUE_SIZE);
 
@@ -34,6 +35,7 @@ public class CacheServiceJDKImpl implements CacheService {
         initPDFCachePool(CacheService.DEFAULT_PDF_CAPACITY);
         initIMGCachePool(CacheService.DEFAULT_IMG_CAPACITY);
         initPdfImagesCachePool(CacheService.DEFAULT_PDFIMG_CAPACITY);
+        initMediaConvertCachePool(CacheService.DEFAULT_MEDIACONVERT_CAPACITY);
     }
 
     @Override
@@ -79,6 +81,21 @@ public class CacheServiceJDKImpl implements CacheService {
         pdfImagesCache.put(pdfFilePath, num);
     }
 
+    @Override
+    public Map<String, String> getMediaConvertCache() {
+        return mediaConvertCache;
+    }
+
+    @Override
+    public void putMediaConvertCache(String key, String value) {
+        mediaConvertCache.put(key, value);
+    }
+
+    @Override
+    public String getMediaConvertCache(String key) {
+        return mediaConvertCache.get(key);
+    }
+
     @Override
     public void cleanCache() {
         initPDFCachePool(CacheService.DEFAULT_PDF_CAPACITY);
@@ -116,4 +133,12 @@ public class CacheServiceJDKImpl implements CacheService {
                 .maximumWeightedCapacity(capacity).weigher(Weighers.singleton())
                 .build();
     }
+
+    @Override
+    public void initMediaConvertCachePool(Integer capacity) {
+        mediaConvertCache = new ConcurrentLinkedHashMap.Builder<String, String>()
+                .maximumWeightedCapacity(capacity).weigher(Weighers.singleton())
+                .build();
+    }
+
 }

server/src/main/java/cn/keking/service/cache/impl/CacheServiceRedisImpl.java

@@ -34,6 +34,11 @@ public class CacheServiceRedisImpl implements CacheService {
     @Override
     public void initPdfImagesCachePool(Integer capacity) { }
 
+    @Override
+    public void initMediaConvertCachePool(Integer capacity) {
+
+    }
+
     @Override
     public void putPDFCache(String key, String value) {
         RMapCache<String, String> convertedList = redissonClient.getMapCache(FILE_PREVIEW_PDF_KEY);
@@ -80,6 +85,23 @@ public class CacheServiceRedisImpl implements CacheService {
         convertedList.fastPut(pdfFilePath, num);
     }
 
+    @Override
+    public Map<String, String> getMediaConvertCache() {
+        return redissonClient.getMapCache(FILE_PREVIEW_MEDIA_CONVERT_KEY);
+    }
+
+    @Override
+    public void putMediaConvertCache(String key, String value) {
+        RMapCache<String, String> convertedList = redissonClient.getMapCache(FILE_PREVIEW_MEDIA_CONVERT_KEY);
+        convertedList.fastPut(key, value);
+    }
+
+    @Override
+    public String getMediaConvertCache(String key) {
+        RMapCache<String, String> convertedList = redissonClient.getMapCache(FILE_PREVIEW_MEDIA_CONVERT_KEY);
+        return convertedList.get(key);
+    }
+
     @Override
     public void cleanCache() {
         cleanPdfCache();

server/src/main/java/cn/keking/service/cache/impl/CacheServiceRocksDBImpl.java

@@ -73,6 +73,11 @@ public class CacheServiceRocksDBImpl implements CacheService {
 
     }
 
+    @Override
+    public void initMediaConvertCachePool(Integer capacity) {
+
+    }
+
     @Override
     public void putPDFCache(String key, String value) {
         try {
@@ -171,6 +176,40 @@ public class CacheServiceRocksDBImpl implements CacheService {
         }
     }
 
+    @Override
+    public Map<String, String> getMediaConvertCache() {
+        Map<String, String> result = new HashMap<>();
+        try{
+            result = (Map<String, String>) toObject(db.get(FILE_PREVIEW_MEDIA_CONVERT_KEY.getBytes()));
+        } catch (RocksDBException | IOException | ClassNotFoundException e) {
+            LOGGER.error("Get from RocksDB Exception" + e);
+        }
+        return result;
+    }
+
+    @Override
+    public void putMediaConvertCache(String key, String value) {
+        try {
+            Map<String, String> mediaConvertCacheItem = getMediaConvertCache();
+            mediaConvertCacheItem.put(key, value);
+            db.put(FILE_PREVIEW_MEDIA_CONVERT_KEY.getBytes(), toByteArray(mediaConvertCacheItem));
+        } catch (RocksDBException | IOException e) {
+            LOGGER.error("Put into RocksDB Exception" + e);
+        }
+    }
+
+    @Override
+    public String getMediaConvertCache(String key) {
+        String result = "";
+        try{
+            Map<String, String> map = (Map<String, String>) toObject(db.get(FILE_PREVIEW_MEDIA_CONVERT_KEY.getBytes()));
+            result = map.get(key);
+        } catch (RocksDBException | IOException | ClassNotFoundException e) {
+            LOGGER.error("Get from RocksDB Exception" + e);
+        }
+        return result;
+    }
+
     @Override
     public void cleanCache() {
         try {

server/src/main/java/cn/keking/service/impl/MediaFilePreviewImpl.java

@@ -1,13 +1,21 @@
 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.DownloadUtils;
 import cn.keking.service.FileHandlerService;
 import cn.keking.web.filter.BaseUrlFilter;
+import org.artofsolving.jodconverter.util.ConfigUtils;
+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;
 
 /**
  * @author : kl
@@ -21,6 +29,8 @@ public class MediaFilePreviewImpl implements FilePreview {
     private final FileHandlerService fileHandlerService;
     private final OtherFilePreviewImpl otherFilePreview;
 
+    private static Object LOCK=new Object();
+
     public MediaFilePreviewImpl(FileHandlerService fileHandlerService, OtherFilePreviewImpl otherFilePreview) {
         this.fileHandlerService = fileHandlerService;
         this.otherFilePreview = otherFilePreview;
@@ -34,14 +44,123 @@ public class MediaFilePreviewImpl implements FilePreview {
             if (response.isFailure()) {
                 return otherFilePreview.notSupportedFile(model, fileAttribute, response.getMsg());
             } else {
-                model.addAttribute("mediaUrl", BaseUrlFilter.getBaseUrl() + fileHandlerService.getRelativePath(response.getContent()));
+                url=BaseUrlFilter.getBaseUrl() + fileHandlerService.getRelativePath(response.getContent());
+                fileAttribute.setUrl(url);
             }
+        }
+
+        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;
+                }
+            }
+            return otherFilePreview.notSupportedFile(model, fileAttribute, "暂不支持");
         }
         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) {
+        //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;
+            }
+        }
+        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;
+        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
+            if(desFile.exists()){
+                return fileName;
+            }
+
+            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.setFrameRate(frameGrabber.getFrameRate());
+            //recorder.setSampleFormat(frameGrabber.getSampleFormat()); //
+            recorder.setSampleRate(frameGrabber.getSampleRate());
+
+            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) {
+                }
+            }
+            recorder.stop();
+            recorder.release();
+            frameGrabber.stop();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        //是否删除源文件
+        //file.delete();
+        return convertFileName;
+    }
 }

server/src/main/java/cn/keking/service/impl/OfdFilePreviewImpl.java

@@ -0,0 +1,27 @@
+package cn.keking.service.impl;
+
+import cn.keking.model.FileAttribute;
+import cn.keking.service.FilePreview;
+import org.springframework.stereotype.Service;
+import org.springframework.ui.Model;
+
+/**
+ * ofd 图片文件处理
+ * @author kl (http://kailing.pub)
+ * @since 2021/2/8
+ */
+@Service
+public class OfdFilePreviewImpl implements FilePreview {
+
+    private final PictureFilePreviewImpl pictureFilePreview;
+
+    public OfdFilePreviewImpl(PictureFilePreviewImpl pictureFilePreview) {
+        this.pictureFilePreview = pictureFilePreview;
+    }
+
+    @Override
+    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
+        pictureFilePreview.filePreviewHandle(url,model,fileAttribute);
+        return OFD_FILE_PREVIEW_PAGE;
+    }
+}

server/src/main/java/cn/keking/service/impl/PptFilePreviewImpl.java

@@ -0,0 +1,26 @@
+package cn.keking.service.impl;
+
+import cn.keking.model.FileAttribute;
+import cn.keking.service.FilePreview;
+import org.springframework.stereotype.Service;
+import org.springframework.ui.Model;
+
+/**
+ * @author kl (http://kailing.pub)
+ * @since 2021/6/17
+ */
+@Service
+public class PptFilePreviewImpl implements FilePreview {
+
+    private final OfficeFilePreviewImpl officeFilePreview;
+
+    public PptFilePreviewImpl(OfficeFilePreviewImpl officeFilePreview) {
+        this.officeFilePreview = officeFilePreview;
+    }
+
+    @Override
+    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
+        officeFilePreview.filePreviewHandle(url,model,fileAttribute);
+        return PPT_FILE_PREVIEW_PAGE;
+    }
+}

server/src/main/java/cn/keking/service/impl/SimTextFilePreviewImpl.java

@@ -1,19 +1,17 @@
 package cn.keking.service.impl;
 
+import cn.keking.config.ConfigConstants;
 import cn.keking.model.FileAttribute;
 import cn.keking.model.ReturnResponse;
 import cn.keking.service.FilePreview;
 import cn.keking.utils.DownloadUtils;
-import cn.keking.utils.KkFileUtils;
-import jodd.io.FileUtil;
+import cn.keking.utils.EncodingDetects;
 import org.apache.commons.codec.binary.Base64;
 import org.springframework.stereotype.Service;
 import org.springframework.ui.Model;
 import org.springframework.web.util.HtmlUtils;
 
-import java.io.File;
-import java.io.IOException;
-import java.nio.charset.StandardCharsets;
+import java.io.*;
 
 /**
  * Created by kl on 2018/1/17.
@@ -27,19 +25,19 @@ public class SimTextFilePreviewImpl implements FilePreview {
     public SimTextFilePreviewImpl(OtherFilePreviewImpl otherFilePreview) {
         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();
+        String baseUrll = FILE_DIR + fileName;
+        //  String suffix = fileAttribute.getSuffix();
         ReturnResponse<String> response = DownloadUtils.downLoad(fileAttribute, fileName);
         if (response.isFailure()) {
             return otherFilePreview.notSupportedFile(model, fileAttribute, response.getMsg());
         }
         try {
-            File originFile = new File(response.getContent());
-            String charset = KkFileUtils.getFileEncode(originFile);
-            String fileData = FileUtil.readString(originFile, charset);
-            fileData = HtmlUtils.htmlEscape(fileData, StandardCharsets.UTF_8.name());
+            String   fileData = HtmlUtils.htmlEscape(textData(baseUrll));
             model.addAttribute("textData", Base64.encodeBase64String(fileData.getBytes()));
         } catch (IOException e) {
             return otherFilePreview.notSupportedFile(model, fileAttribute, e.getLocalizedMessage());
@@ -47,4 +45,23 @@ public class SimTextFilePreviewImpl implements FilePreview {
         return TXT_FILE_PREVIEW_PAGE;
     }
 
+    private String textData(String baseUrll) throws IOException {
+        File file = new File(baseUrll);
+        if(!file.exists() || file.length() == 0) {
+            String line="";
+            return line;
+        }else {
+            String charset = EncodingDetects.getJavaEncode(baseUrll);
+            System.out.println(charset);
+            BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(baseUrll), charset));
+            StringBuilder result = new StringBuilder();
+            String line;
+            while ((line = br.readLine()) != null) {
+                result.append(line).append("\r\n");
+            }
+            return result.toString();
+        }
+    }
+
+
 }

server/src/main/java/cn/keking/service/impl/TiffFilePreviewImpl.java

@@ -2,8 +2,10 @@ package cn.keking.service.impl;
 
 import cn.keking.model.FileAttribute;
 import cn.keking.service.FilePreview;
+import cn.keking.utils.WebUtils;
 import org.springframework.stereotype.Service;
 import org.springframework.ui.Model;
+import org.springframework.util.StringUtils;
 
 /**
  * tiff 图片文件处理
@@ -14,6 +16,9 @@ import org.springframework.ui.Model;
 public class TiffFilePreviewImpl implements FilePreview {
 
     private final PictureFilePreviewImpl pictureFilePreview;
+    private static final String INITIALIZE_MEMORY_SIZE = "initializeMemorySize";
+    //默认初始化 50MB 内存
+    private static final long INITIALIZE_MEMORY_SIZE_VALUE_DEFAULT = 1024L * 1024 * 50;
 
     public TiffFilePreviewImpl(PictureFilePreviewImpl pictureFilePreview) {
         this.pictureFilePreview = pictureFilePreview;
@@ -22,6 +27,12 @@ public class TiffFilePreviewImpl implements FilePreview {
     @Override
     public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
         pictureFilePreview.filePreviewHandle(url,model,fileAttribute);
+       String fileSize = WebUtils.getUrlParameterReg(url,INITIALIZE_MEMORY_SIZE);
+       if(StringUtils.hasText(fileSize)){
+           model.addAttribute(INITIALIZE_MEMORY_SIZE,fileSize);
+       }else {
+           model.addAttribute(INITIALIZE_MEMORY_SIZE,Long.toString(INITIALIZE_MEMORY_SIZE_VALUE_DEFAULT));
+       }
         return TIFF_FILE_PREVIEW_PAGE;
     }
 }

server/src/main/java/cn/keking/utils/KkFileUtils.java

@@ -93,7 +93,7 @@ public class KkFileUtils {
      * @return 文件后缀
      */
     public static String suffixFromFileName(String fileName) {
-        return fileName.substring(fileName.lastIndexOf(".") + 1);
+        return fileName.substring(fileName.lastIndexOf(".") + 1).toLowerCase();
     }
 
 

server/src/main/java/cn/keking/web/filter/FilterConfiguration.java

@@ -30,8 +30,6 @@ public class FilterConfiguration {
         Set<String> filterUri = new HashSet<>();
         filterUri.add("/onlinePreview");
         filterUri.add("/picturesPreview");
-        filterUri.add("/getCorsFile");
-        filterUri.add("/addTask");
         TrustHostFilter filter = new TrustHostFilter();
         FilterRegistrationBean registrationBean = new FilterRegistrationBean();
         registrationBean.setFilter(filter);

server/src/main/resources/static/ofd/index.html

@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width,initial-scale=1">
+    <title>ofd.js</title>
+<link href="chunk-vendors.css" rel="stylesheet">
+<link href="app.css" rel="stylesheet">
+  </head>
+  <body>
+<div id="app">
+</div>
+<script type="text/javascript">
+
+</script>
+<script src="chunk-vendors.c0cd1494.js"></script>
+<script src="app.js"></script>
+</body>
+</html>

server/src/main/resources/static/pdfjs/web/viewer.js

@@ -2019,7 +2019,7 @@ var validateFileURL;
 {
   var HOSTED_VIEWER_ORIGINS = ["null", "http://mozilla.github.io", "https://mozilla.github.io"];
 
-  validateFileURL = function validateFileURL(file, base) {
+  validateFileURL = function validateFileURL(file) {
     if (file === undefined) {
       return;
     }
@@ -2036,7 +2036,7 @@ var validateFileURL;
           protocol = _ref11.protocol;
 
       if (origin !== viewerOrigin && protocol !== "blob:") {
-        return (base.endsWith('/') ? base : base + '/') + 'getCorsFile?urlPath=' + encodeURIComponent(file);
+        throw new Error("file origin does not match viewer's");
       }
     } catch (ex) {
       var message = ex && ex.message;
@@ -2089,14 +2089,12 @@ function loadAndEnablePDFBug(enabledTabs) {
 function webViewerInitialized() {
   var appConfig = PDFViewerApplication.appConfig;
   var file;
-  var base;
   var disableDownload;
   var queryString = document.location.search.substring(1);
   var params = (0, _ui_utils.parseQueryString)(queryString);
   file = "file" in params ? params.file : _app_options.AppOptions.get("defaultUrl");
-  base = 'base' in params ? params.base : appConfig.defaultUrl;
   disableDownload = 'disabledownload' in params ? params.disabledownload : 'false';
-  validateFileURL(file, base);
+  validateFileURL(file);
   var fileInput = document.createElement("input");
   fileInput.id = appConfig.openFileInputName;
   fileInput.className = "fileInput";

server/src/main/resources/static/pptx/idocv_common.min.js

@@ -0,0 +1,132 @@
+!function(e,f){"object"==typeof exports&&"undefined"!=typeof module?f(exports,require("jquery"),require("popper.js")):"function"==typeof define&&define.amd?define(["exports","jquery","popper.js"],f):f(e.bootstrap={},e.jQuery,e.Popper)}(this,function(e,f,k){function m(g,d){for(var a=0;a<d.length;a++){var b=d[a];b.enumerable=b.enumerable||!1;b.configurable=!0;"value"in b&&(b.writable=!0);Object.defineProperty(g,b.key,b)}}function t(g,d,a){return d&&m(g.prototype,d),a&&m(g,a),g}function p(g){for(var d=
+1;d<arguments.length;d++){var a=null!=arguments[d]?arguments[d]:{},b=Object.keys(a);"function"==typeof Object.getOwnPropertySymbols&&(b=b.concat(Object.getOwnPropertySymbols(a).filter(function(b){return Object.getOwnPropertyDescriptor(a,b).enumerable})));b.forEach(function(b){var c;c=a[b];b in g?Object.defineProperty(g,b,{value:c,enumerable:!0,configurable:!0,writable:!0}):g[b]=c})}return g}f=f&&f.hasOwnProperty("default")?f.default:f;k=k&&k.hasOwnProperty("default")?k.default:k;var n,F,x,C,y,K,H,
+z,h,aa,D,ba,I,L,v,ca,U,Y,M,N,u,da,ea,E,fa,ga,J,l,ha,V,ia,A,O,q,ja,ka,la,ma,na,oa,S,G,pa,qa,ra,sa,ta,T,B,ua,Z,va,W,P,w,wa,Q,R,r=function(g){var d={TRANSITION_END:"bsTransitionEnd",getUID:function(a){for(;a+=~~(1E6*Math.random()),document.getElementById(a););return a},getSelectorFromElement:function(a){var b=a.getAttribute("data-target");b&&"#"!==b||(b=a.getAttribute("href")||"");try{return document.querySelector(b)?b:null}catch(c){return null}},getTransitionDurationFromElement:function(a){if(!a)return 0;
+a=g(a).css("transition-duration");return parseFloat(a)?(a=a.split(",")[0],1E3*parseFloat(a)):0},reflow:function(a){return a.offsetHeight},triggerTransitionEnd:function(a){g(a).trigger("transitionend")},supportsTransitionEnd:function(){return!0},isElement:function(a){return(a[0]||a).nodeType},typeCheckConfig:function(a,b,c){for(var g in c)if(Object.prototype.hasOwnProperty.call(c,g)){var h=c[g],e=b[g],e=e&&d.isElement(e)?"element":(f=e,{}.toString.call(f).match(/\s([a-z]+)/i)[1].toLowerCase());if(!(new RegExp(h)).test(e))throw Error(a.toUpperCase()+
+': Option "'+g+'" provided type "'+e+'" but expected type "'+h+'".');}var f}};return g.fn.emulateTransitionEnd=function(a){var b=this,c=!1;return g(this).one(d.TRANSITION_END,function(){c=!0}),setTimeout(function(){c||d.triggerTransitionEnd(b)},a),this},g.event.special[d.TRANSITION_END]={bindType:"transitionend",delegateType:"transitionend",handle:function(a){if(g(a.target).is(this))return a.handleObj.handler.apply(this,arguments)}},d}(f),xa=(F=(n=f).fn.alert,x={CLOSE:"close.bs.alert",CLOSED:"closed.bs.alert",
+CLICK_DATA_API:"click.bs.alert.data-api"},C=function(){function g(a){this._element=a}var d=g.prototype;return d.close=function(a){var b=this._element;a&&(b=this._getRootElement(a));this._triggerCloseEvent(b).isDefaultPrevented()||this._removeElement(b)},d.dispose=function(){n.removeData(this._element,"bs.alert");this._element=null},d._getRootElement=function(a){var b=r.getSelectorFromElement(a),c=!1;return b&&(c=document.querySelector(b)),c||(c=n(a).closest(".alert")[0]),c},d._triggerCloseEvent=function(a){var b=
+n.Event(x.CLOSE);return n(a).trigger(b),b},d._removeElement=function(a){var b=this;if(n(a).removeClass("show"),n(a).hasClass("fade")){var c=r.getTransitionDurationFromElement(a);n(a).one(r.TRANSITION_END,function(c){return b._destroyElement(a,c)}).emulateTransitionEnd(c)}else this._destroyElement(a)},d._destroyElement=function(a){n(a).detach().trigger(x.CLOSED).remove()},g._jQueryInterface=function(a){return this.each(function(){var b=n(this),c=b.data("bs.alert");c||(c=new g(this),b.data("bs.alert",
+c));"close"===a&&c[a](this)})},g._handleDismiss=function(a){return function(b){b&&b.preventDefault();a.close(this)}},t(g,null,[{key:"VERSION",get:function(){return"4.1.3"}}]),g}(),n(document).on(x.CLICK_DATA_API,'[data-dismiss\x3d"alert"]',C._handleDismiss(new C)),n.fn.alert=C._jQueryInterface,n.fn.alert.Constructor=C,n.fn.alert.noConflict=function(){return n.fn.alert=F,C._jQueryInterface},C),ya=(K=(y=f).fn.button,H={CLICK_DATA_API:"click.bs.button.data-api",FOCUS_BLUR_DATA_API:"focus.bs.button.data-api blur.bs.button.data-api"},
+z=function(){function g(a){this._element=a}var d=g.prototype;return d.toggle=function(){var a=!0,b=!0,c=y(this._element).closest('[data-toggle\x3d"buttons"]')[0];if(c){var d=this._element.querySelector("input");if(d){"radio"===d.type&&(d.checked&&this._element.classList.contains("active")?a=!1:(b=c.querySelector(".active"))&&y(b).removeClass("active"));if(a){if(d.hasAttribute("disabled")||c.hasAttribute("disabled")||d.classList.contains("disabled")||c.classList.contains("disabled"))return;d.checked=
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+this._menu=this._getMenuElement();this._inNavbar=this._detectNavbar();this._addEventListeners()}var d=g.prototype;return d.toggle=function(){if(!this._element.disabled&&!u(this._element).hasClass("disabled")){var a=g._getParentFromElement(this._element),b=u(this._menu).hasClass("show");if(g._clearMenus(),!b){var b={relatedTarget:this._element},c=u.Event(E.SHOW,b);if(u(a).trigger(c),!c.isDefaultPrevented()){if(!this._inNavbar){if("undefined"==typeof k)throw new TypeError("Bootstrap dropdown require Popper.js (https://popper.js.org)");
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+!0);u(this._menu).toggleClass("show");u(a).toggleClass("show").trigger(u.Event(E.SHOWN,b))}}}},d.dispose=function(){u.removeData(this._element,"bs.dropdown");u(this._element).off(".bs.dropdown");this._element=null;(this._menu=null)!==this._popper&&(this._popper.destroy(),this._popper=null)},d.update=function(){this._inNavbar=this._detectNavbar();null!==this._popper&&this._popper.scheduleUpdate()},d._addEventListeners=function(){var a=this;u(this._element).on(E.CLICK,function(b){b.preventDefault();
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+this.disabled||u(this).hasClass("disabled")))){var b=g._getParentFromElement(this),c=u(b).hasClass("show");(c||27===a.which&&32===a.which)&&(!c||27!==a.which&&32!==a.which)?(b=[].slice.call(b.querySelectorAll(".dropdown-menu .dropdown-item:not(.disabled):not(:disabled)")),0!==b.length&&(c=b.indexOf(a.target),38===a.which&&0<c&&c--,40===a.which&&c<b.length-1&&c++,0>c&&(c=0),b[c].focus())):(27===a.which&&(a=b.querySelector('[data-toggle\x3d"dropdown"]'),u(a).trigger("focus")),u(this).trigger("click"))}},
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+".dropdown form",function(g){g.stopPropagation()}),u.fn.dropdown=J._jQueryInterface,u.fn.dropdown.Constructor=J,u.fn.dropdown.noConflict=function(){return u.fn.dropdown=da,J._jQueryInterface},J),Ba=(ha=(l=f).fn.modal,V={backdrop:!0,keyboard:!0,focus:!0,show:!0},ia={backdrop:"(boolean|string)",keyboard:"boolean",focus:"boolean",show:"boolean"},A={HIDE:"hide.bs.modal",HIDDEN:"hidden.bs.modal",SHOW:"show.bs.modal",SHOWN:"shown.bs.modal",FOCUSIN:"focusin.bs.modal",RESIZE:"resize.bs.modal",CLICK_DISMISS:"click.dismiss.bs.modal",
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server/src/main/resources/static/pptx/jquery.contextMenu.css

@@ -0,0 +1,142 @@
+/*!
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+ *
+ * Version: git-master
+ *
+ * Authors: Rodney Rehm, Addy Osmani (patches for FF)
+ * Web: http://medialize.github.com/jQuery-contextMenu/
+ *
+ * Licensed under
+ *   MIT License http://www.opensource.org/licenses/mit-license
+ *   GPL v3 http://opensource.org/licenses/GPL-3.0
+ *
+ */
+
+.context-menu-list {
+    margin:0; 
+    padding:0;
+    
+    min-width: 120px;
+    max-width: 250px;
+    display: inline-block;
+    position: absolute;
+    list-style-type: none;
+    
+    border: 1px solid #DDD;
+    background: #EEE;
+    
+    -webkit-box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
+       -moz-box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
+        -ms-box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
+         -o-box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
+            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
+    
+    font-family: Verdana, Arial, Helvetica, sans-serif;
+    font-size: 11px;
+}
+
+.context-menu-item {
+    padding: 2px 2px 2px 24px;
+    background-color: #EEE;
+    position: relative;
+    -webkit-user-select: none;
+       -moz-user-select: -moz-none;
+        -ms-user-select: none;
+            user-select: none;
+}
+
+.context-menu-separator {
+    padding-bottom:0;
+    border-bottom: 1px solid #DDD;
+}
+
+.context-menu-item > label > input,
+.context-menu-item > label > textarea {
+    -webkit-user-select: text;
+       -moz-user-select: text;
+        -ms-user-select: text;
+            user-select: text;
+}
+
+.context-menu-item.hover {
+    cursor: pointer;
+    background-color: #39F;
+}
+
+.context-menu-item.disabled {
+    color: #666;
+}
+
+.context-menu-input.hover,
+.context-menu-item.disabled.hover {
+    cursor: default;
+    background-color: #EEE;
+}
+
+.context-menu-submenu:after {
+    content: ">";
+    color: #666;
+    position: absolute;
+    top: 0;
+    right: 3px;
+    z-index: 1;
+}
+
+/* icons
+    #protip:
+    In case you want to use sprites for icons (which I would suggest you do) have a look at
+    http://css-tricks.com/13224-pseudo-spriting/ to get an idea of how to implement 
+    .context-menu-item.icon:before {}
+ */
+.context-menu-item.icon { min-height: 18px; background-repeat: no-repeat; background-position: 4px 2px; }
+.context-menu-item.icon-edit { background-image: url(images/page_white_edit.png); }
+.context-menu-item.icon-cut { background-image: url(images/cut.png); }
+.context-menu-item.icon-copy { background-image: url(images/page_white_copy.png); }
+.context-menu-item.icon-paste { background-image: url(images/page_white_paste.png); }
+.context-menu-item.icon-delete { background-image: url(images/page_white_delete.png); }
+.context-menu-item.icon-add { background-image: url(images/page_white_add.png); }
+.context-menu-item.icon-quit { background-image: url(images/door.png); }
+
+/* vertically align inside labels */
+.context-menu-input > label > * { vertical-align: top; }
+
+/* position checkboxes and radios as icons */
+.context-menu-input > label > input[type="checkbox"],
+.context-menu-input > label > input[type="radio"] {
+    margin-left: -17px;
+}
+.context-menu-input > label > span {
+    margin-left: 5px;
+}
+
+.context-menu-input > label,
+.context-menu-input > label > input[type="text"],
+.context-menu-input > label > textarea,
+.context-menu-input > label > select {
+    display: block;
+    width: 100%;
+    
+    -webkit-box-sizing: border-box;
+       -moz-box-sizing: border-box;
+        -ms-box-sizing: border-box;
+         -o-box-sizing: border-box;
+            box-sizing: border-box;
+}
+
+.context-menu-input > label > textarea {
+    height: 100px;
+}
+.context-menu-item > .context-menu-list {
+    display: none;
+    /* re-positioned by js */
+    right: -5px;
+    top: 5px;
+}
+
+.context-menu-item.hover > .context-menu-list {
+    display: block;
+}
+
+.context-menu-accesskey {
+    text-decoration: underline;
+}