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新增:pdf支持密码

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This commit is contained in:
gaoxiongzaq
2023-04-28 09:48:51 +08:00
parent db3f03bda9
commit e41b18a4a8
5 changed files with 73 additions and 11 deletions
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20
server/src/main/java/cn/keking/service/impl/OfficeFilePreviewImpl.java
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@ -10,11 +10,14 @@ import cn.keking.utils.DownloadUtils;
import cn.keking.utils.KkFileUtils;
import cn.keking.utils.OfficeUtils;
import cn.keking.web.filter.BaseUrlFilter;
import org.apache.commons.lang3.exception.ExceptionUtils;
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.StringUtils;
import java.io.IOException;
import java.net.URLEncoder;
import java.util.List;
@ -28,6 +31,7 @@ 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;
private final OfficeToPdfService officeToPdfService;
@ -60,7 +64,6 @@ public class OfficeFilePreviewImpl implements FilePreview {
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
@ -133,7 +136,20 @@ public class OfficeFilePreviewImpl implements FilePreview {
static String getPreviewType(Model model, FileAttribute fileAttribute, String officePreviewType, String baseUrl, 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 = fileHandlerService.pdf2jpg(outFilePath, pdfName, fileAttribute);
List<String> imageUrls = null;
try {
imageUrls = fileHandlerService.pdf2jpg(outFilePath, pdfName, fileAttribute);
} catch (Exception e) {
Throwable[] throwableArray = ExceptionUtils.getThrowables(e);
for (Throwable throwable : throwableArray) {
if (throwable instanceof IOException || throwable instanceof EncryptedDocumentException) {
if (e.getMessage().toLowerCase().contains(OFFICE_PASSWORD_MSG)) {
model.addAttribute("needFilePassword", true);
return EXEL_FILE_PREVIEW_PAGE;
}
}
}
}
if (imageUrls == null || imageUrls.size() < 1) {
return otherFilePreview.notSupportedFile(model, fileAttribute, "office转图片异常，请联系管理员");
}