diff --git a/pom.xml b/pom.xml
index daade795..bceae1d8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
2.7.7
1.4.2
5.17.2
- 2.0.29
+ 3.0.2
1.4.0
3.0.4
0.2.1
diff --git a/server/src/main/config/application.properties b/server/src/main/config/application.properties
index 7de75bc8..5b8e5874 100644
--- a/server/src/main/config/application.properties
+++ b/server/src/main/config/application.properties
@@ -110,6 +110,14 @@ convertMedias = ${KK_CONVERTMEDIAS:avi,mov,wmv,mkv,3gp,rm}
#PDF预览模块设置
#配置PDF文件生成图片的像素大小，dpi 越高，图片质量越清晰，同时也会消耗更多的计算资源。
pdf2jpg.dpi = ${KK_PDF2JPG_DPI:144}
+#PDF转换超时设置 (低于50页) 温馨提示这里数字仅供参考
+pdf.timeout =${KK_pdf_TIMEOUT:90}
+#PDF转换超时设置 (高于50小于200页)
+pdf.timeout80 =${KK_PDF_TIMEOUT80:180}
+#PDF转换超时设置 (大于200页)
+pdf.timeout200 =${KK_PDF_TIMEOUT200:300}
+#PDF转换线程设置
+pdf.thread =${KK_PDF_THREAD:5}
#是否禁止演示模式
pdf.presentationMode.disable = ${KK_PDF_PRESENTATION_MODE_DISABLE:true}
#是否禁止打开文件
diff --git a/server/src/main/java/cn/keking/config/ConfigConstants.java b/server/src/main/java/cn/keking/config/ConfigConstants.java
index 19251cd2..432ea2dc 100644
--- a/server/src/main/java/cn/keking/config/ConfigConstants.java
+++ b/server/src/main/java/cn/keking/config/ConfigConstants.java
@@ -67,6 +67,10 @@ public class ConfigConstants {
private static String homePagination;
private static String homePageSize;
private static String homeSearch;
+ private static int pdfTimeout;
+ private static int pdfTimeout80;
+ private static int pdfTimeout200;
+ private static int pdfThread;
public static final String DEFAULT_CACHE_ENABLED = "true";
public static final String DEFAULT_TXT_TYPE = "txt,html,htm,asp,jsp,xml,json,properties,md,gitignore,log,java,py,c,cpp,sql,sh,bat,m,bas,prg,cmd,xbrl";
@@ -107,6 +111,10 @@ public class ConfigConstants {
public static final String DEFAULT_HOME_PAGINATION = "true";
public static final String DEFAULT_HOME_PAGSIZE = "15";
public static final String DEFAULT_HOME_SEARCH = "true";
+ public static final String DEFAULT_PDF_TIMEOUT = "90";
+ public static final String DEFAULT_PDF_TIMEOUT80 = "180";
+ public static final String DEFAULT_PDF_TIMEOUT200 = "300";
+ public static final String DEFAULT_PDF_THREAD = "5";
public static Boolean isCacheEnabled() {
return cacheEnabled;
@@ -580,6 +588,65 @@ public class ConfigConstants {
ConfigConstants.cadThread = cadThread;
}
+ /**
+ * 以下为pdf转换模块设置
+ */
+ public static int getPdfTimeout() {
+ return pdfTimeout;
+ }
+
+ @Value("${pdf.timeout:90}")
+ public void setPdfTimeout(int pdfTimeout) {
+ setPdfTimeoutValue(pdfTimeout);
+ }
+
+ public static void setPdfTimeoutValue(int pdfTimeout) {
+ ConfigConstants.pdfTimeout = pdfTimeout;
+ }
+
+
+ public static int getPdfTimeout80() {
+ return pdfTimeout80;
+ }
+
+ @Value("${pdf.timeout80:180}")
+ public void setPdfTimeout80(int pdfTimeout80) {
+ setPdfTimeout80Value(pdfTimeout80);
+ }
+
+ public static void setPdfTimeout80Value(int pdfTimeout80) {
+ ConfigConstants.pdfTimeout80 = pdfTimeout80;
+ }
+
+
+
+ public static int getPdfTimeout200() {
+ return pdfTimeout200;
+ }
+
+ @Value("${pdf.timeout200:300}")
+ public void setPdfTimeout200(int pdfTimeout200) {
+ setPdfTimeout200Value(pdfTimeout200);
+ }
+
+ public static void setPdfTimeout200Value(int pdfTimeout200) {
+ ConfigConstants.pdfTimeout200 = pdfTimeout200;
+ }
+
+
+ public static int getPdfThread() {
+ return pdfThread;
+ }
+
+ @Value("${pdf.thread:5}")
+ public void setPdfThread(int pdfThread) {
+ setPdfThreadValue(pdfThread);
+ }
+
+ public static void setPdfThreadValue(int pdfThread) {
+ ConfigConstants.pdfThread = pdfThread;
+ }
+
/**
* 以下为OFFICE转换模块设置
*/
diff --git a/server/src/main/java/cn/keking/config/ConfigRefreshComponent.java b/server/src/main/java/cn/keking/config/ConfigRefreshComponent.java
index 6ac3d85c..3482c514 100644
--- a/server/src/main/java/cn/keking/config/ConfigRefreshComponent.java
+++ b/server/src/main/java/cn/keking/config/ConfigRefreshComponent.java
@@ -78,6 +78,10 @@ public class ConfigRefreshComponent {
String homePagination;
String homePageSize;
String homeSearch;
+ int pdfTimeout;
+ int pdfTimeout80;
+ int pdfTimeout200;
+ int pdfThread;
while (true) {
FileReader fileReader = new FileReader(configFilePath);
BufferedReader bufferedReader = new BufferedReader(fileReader);
@@ -126,6 +130,10 @@ public class ConfigRefreshComponent {
homePageSize = properties.getProperty("home.pagesize", ConfigConstants.DEFAULT_HOME_PAGSIZE);
homeSearch = properties.getProperty("home.search", ConfigConstants.DEFAULT_HOME_SEARCH);
cadThread = Integer.parseInt(properties.getProperty("cad.thread", ConfigConstants.DEFAULT_CAD_THREAD));
+ pdfTimeout = Integer.parseInt(properties.getProperty("pdf.timeout", ConfigConstants.DEFAULT_PDF_TIMEOUT));
+ pdfTimeout80 = Integer.parseInt(properties.getProperty("pdf.timeout80", ConfigConstants.DEFAULT_PDF_TIMEOUT80));
+ pdfTimeout200 = Integer.parseInt(properties.getProperty("pdf.timeout200", ConfigConstants.DEFAULT_PDF_TIMEOUT200));
+ pdfThread = Integer.parseInt(properties.getProperty("pdf.thread", ConfigConstants.DEFAULT_PDF_THREAD));
prohibitArray = prohibit.split(",");
ConfigConstants.setCacheEnabledValueValue(cacheEnabled);
@@ -169,6 +177,10 @@ public class ConfigRefreshComponent {
ConfigConstants.setHomePaginationValue(homePagination);
ConfigConstants.setHomePageSizeValue(homePageSize);
ConfigConstants.setHomeSearchValue(homeSearch);
+ ConfigConstants.setPdfTimeoutValue(pdfTimeout);
+ ConfigConstants.setPdfTimeout80Value(pdfTimeout80);
+ ConfigConstants.setPdfTimeout200Value(pdfTimeout200);
+ ConfigConstants.setPdfThreadValue(pdfThread);
setWatermarkConfig(properties);
bufferedReader.close();
fileReader.close();
diff --git a/server/src/main/java/cn/keking/service/FileHandlerService.java b/server/src/main/java/cn/keking/service/FileHandlerService.java
index 4aa8b56a..7ef3f568 100644
--- a/server/src/main/java/cn/keking/service/FileHandlerService.java
+++ b/server/src/main/java/cn/keking/service/FileHandlerService.java
@@ -14,8 +14,8 @@ import com.aspose.cad.*;
import com.aspose.cad.fileformats.cad.CadDrawTypeMode;
import com.aspose.cad.fileformats.tiff.enums.TiffExpectedFormat;
import com.aspose.cad.imageoptions.*;
-import com.itextpdf.text.pdf.PdfReader;
import org.apache.commons.lang3.exception.ExceptionUtils;
+import org.apache.pdfbox.Loader;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.rendering.ImageType;
import org.apache.pdfbox.rendering.PDFRenderer;
@@ -37,7 +37,10 @@ import java.io.*;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
import java.util.concurrent.*;
import java.util.stream.IntStream;
@@ -236,9 +239,9 @@ public class FileHandlerService implements InitializingBean {
boolean forceUpdatedCache = fileAttribute.forceUpdatedCache();
boolean usePasswordCache = fileAttribute.getUsePasswordCache();
String filePassword = fileAttribute.getFilePassword();
- String pdfPassword = null;
- PDDocument doc = null;
- PdfReader pdfReader = null;
+ PDDocument doc;
+ final String[] pdfPassword = {null};
+ final int[] pageCount = new int[1];
if (!forceUpdatedCache) {
List cacheResult = this.loadPdf2jpgCache(pdfFilePath);
if (!CollectionUtils.isEmpty(cacheResult)) {
@@ -246,64 +249,77 @@ public class FileHandlerService implements InitializingBean {
}
}
List imageUrls = new ArrayList<>();
+ File pdfFile = new File(fileNameFilePath);
+ if (!pdfFile.exists()) {
+ return null;
+ }
+ int index = pdfFilePath.lastIndexOf(".");
+ String folder = pdfFilePath.substring(0, index);
+ File path = new File(folder);
+ if (!path.exists() && !path.mkdirs()) {
+ logger.error("创建转换文件【{}】目录失败，请检查目录权限！", folder);
+ }
try {
- File pdfFile = new File(fileNameFilePath);
- if (!pdfFile.exists()) {
- return null;
- }
- doc = PDDocument.load(pdfFile, filePassword);
+ doc = Loader.loadPDF(pdfFile, filePassword);
doc.setResourceCache(new NotResourceCache());
- int pageCount = doc.getNumberOfPages();
- PDFRenderer pdfRenderer = new PDFRenderer(doc);
- int index = pdfFilePath.lastIndexOf(".");
- String folder = pdfFilePath.substring(0, index);
- File path = new File(folder);
- if (!path.exists() && !path.mkdirs()) {
- logger.error("创建转换文件【{}】目录失败，请检查目录权限！", folder);
- }
- String imageFilePath;
- for (int pageIndex = 0; pageIndex < pageCount; pageIndex++) {
- imageFilePath = folder + File.separator + pageIndex + PDF2JPG_IMAGE_FORMAT;
- BufferedImage image = pdfRenderer.renderImageWithDPI(pageIndex, ConfigConstants.getPdf2JpgDpi(), ImageType.RGB);
- ImageIOUtil.writeImage(image, imageFilePath, ConfigConstants.getPdf2JpgDpi());
- String imageUrl = this.getPdf2jpgUrl(pdfFilePath, pageIndex);
- imageUrls.add(imageUrl);
- }
- try {
- if (!ObjectUtils.isEmpty(filePassword)) { //获取到密码 判断是否是加密文件
- pdfReader = new PdfReader(fileNameFilePath); //读取PDF文件 通过异常获取该文件是否有密码字符
- }
- } catch (Exception e) { //获取异常方法 判断是否有加密字符串
- Throwable[] throwableArray = ExceptionUtils.getThrowables(e);
- for (Throwable throwable : throwableArray) {
- if (throwable instanceof IOException || throwable instanceof EncryptedDocumentException) {
- if (e.getMessage().toLowerCase().contains(PDF_PASSWORD_MSG)) {
- pdfPassword = PDF_PASSWORD_MSG; //查询到该文件是密码文件 输出带密码的值
- }
+ pageCount[0] = doc.getNumberOfPages();
+ } catch (IOException e) {
+ Throwable[] throwableArray = ExceptionUtils.getThrowables(e);
+ for (Throwable throwable : throwableArray) {
+ if (throwable instanceof IOException || throwable instanceof EncryptedDocumentException) {
+ if (e.getMessage().toLowerCase().contains(PDF_PASSWORD_MSG)) {
+ pdfPassword[0] = PDF_PASSWORD_MSG; //查询到该文件是密码文件 输出带密码的值
}
}
- if (!PDF_PASSWORD_MSG.equals(pdfPassword)) { //该文件异常 错误原因非密码原因输出错误
- logger.error("Convert pdf exception, pdfFilePath：{}", pdfFilePath, e);
- }
-
- } finally {
- if (pdfReader != null) { //关闭
- pdfReader.close();
- }
}
-
- if (usePasswordCache || !PDF_PASSWORD_MSG.equals(pdfPassword)) { //加密文件 判断是否启用缓存命令
- this.addPdf2jpgCache(pdfFilePath, pageCount);
- }
- } catch (IOException e) {
- if (!e.getMessage().contains(PDF_PASSWORD_MSG)) {
- logger.error("Convert pdf to jpg exception, pdfFilePath：{}", pdfFilePath, e);
+ if (!PDF_PASSWORD_MSG.equals(pdfPassword[0])) { //该文件异常 错误原因非密码原因输出错误
+ logger.error("Convert pdf exception, pdfFilePath：{}", pdfFilePath, e);
}
throw new Exception(e);
- } finally {
- if (doc != null) { //关闭
+ }
+ Callable > call = () -> {
+ try {
+ String imageFilePath;
+ BufferedImage image = null;
+ PDFRenderer pdfRenderer = new PDFRenderer(doc);
+ pdfRenderer.setSubsamplingAllowed(true);
+ for (int pageIndex = 0; pageIndex < pageCount[0]; pageIndex++) {
+ imageFilePath = folder + File.separator + pageIndex + PDF2JPG_IMAGE_FORMAT;
+ image = pdfRenderer.renderImageWithDPI(pageIndex, ConfigConstants.getPdf2JpgDpi(), ImageType.RGB);
+ ImageIOUtil.writeImage(image, imageFilePath, ConfigConstants.getPdf2JpgDpi());
+ String imageUrl = this.getPdf2jpgUrl(pdfFilePath, pageIndex);
+ imageUrls.add(imageUrl);
+ }
+ image.flush();
+ } catch (IOException e) {
+ throw new Exception(e);
+ } finally {
doc.close();
}
+ return imageUrls;
+ };
+ Future> result = pool.submit(call);
+ int pdftimeout;
+ if(pageCount[0] <=50){
+ pdftimeout = ConfigConstants.getPdfTimeout();
+ }else if(pageCount[0] <=200){
+ pdftimeout = ConfigConstants.getPdfTimeout80();
+ }else {
+ pdftimeout = ConfigConstants.getPdfTimeout200();
+ }
+ try {
+ result.get(pdftimeout, TimeUnit.SECONDS);
+ // 如果在超时时间内，没有数据返回：则抛出TimeoutException异常
+ } catch (InterruptedException | ExecutionException e) {
+ throw new Exception(e);
+ } catch (TimeoutException e) {
+ throw new Exception("overtime");
+ } finally {
+ //关闭
+ doc.close();
+ }
+ if (usePasswordCache || ObjectUtils.isEmpty(filePassword)) { //加密文件 判断是否启用缓存命令
+ this.addPdf2jpgCache(pdfFilePath, pageCount[0]);
}
return imageUrls;
}
diff --git a/server/src/main/java/cn/keking/service/cache/NotResourceCache.java b/server/src/main/java/cn/keking/service/cache/NotResourceCache.java
index 1fd70918..46ec6f0f 100644
--- a/server/src/main/java/cn/keking/service/cache/NotResourceCache.java
+++ b/server/src/main/java/cn/keking/service/cache/NotResourceCache.java
@@ -2,9 +2,12 @@ package cn.keking.service.cache;
import org.apache.pdfbox.cos.COSObject;
import org.apache.pdfbox.pdmodel.DefaultResourceCache;
+import org.apache.pdfbox.pdmodel.documentinterchange.markedcontent.PDPropertyList;
import org.apache.pdfbox.pdmodel.graphics.PDXObject;
-
-import java.io.IOException;
+import org.apache.pdfbox.pdmodel.graphics.color.PDColorSpace;
+import org.apache.pdfbox.pdmodel.graphics.pattern.PDAbstractPattern;
+import org.apache.pdfbox.pdmodel.graphics.shading.PDShading;
+import org.apache.pdfbox.pdmodel.graphics.state.PDExtendedGraphicsState;
/**
* @author: Sawyer.Yong
@@ -14,7 +17,21 @@ import java.io.IOException;
public class NotResourceCache extends DefaultResourceCache {
@Override
- public void put(COSObject indirect, PDXObject xobject) throws IOException {
- // do nothing
+ public void put(COSObject indirect, PDColorSpace colorSpace) {
+ }
+ @Override
+ public void put(COSObject indirect, PDExtendedGraphicsState extGState) {
+ }
+ @Override
+ public void put(COSObject indirect, PDShading shading) {
+ }
+ @Override
+ public void put(COSObject indirect, PDAbstractPattern pattern) {
+ }
+ @Override
+ public void put(COSObject indirect, PDPropertyList propertyList) {
+ }
+ @Override
+ public void put(COSObject indirect, PDXObject xobject) {
}
}