base/file-online-preview
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

新增:pdf支持密码

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

20
server/src/main/java/cn/keking/service/impl/PdfFilePreviewImpl.java
View File

@ -7,9 +7,12 @@ import cn.keking.service.FilePreview;
import cn.keking.utils.DownloadUtils;
import cn.keking.service.FileHandlerService;
import cn.keking.web.filter.BaseUrlFilter;
import org.apache.commons.lang3.exception.ExceptionUtils;
import org.apache.poi.EncryptedDocumentException;
import org.springframework.stereotype.Service;
import org.springframework.ui.Model;
import java.io.IOException;
import java.net.URLEncoder;
import java.util.List;
@ -23,6 +26,7 @@ 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;
@ -50,7 +54,21 @@ public class PdfFilePreviewImpl implements FilePreview {
fileHandlerService.addConvertedFile(pdfName, fileHandlerService.getRelativePath(outFilePath));
}
}
List<String> imageUrls = fileHandlerService.pdf2jpg(outFilePath, pdfName, fileAttribute);
List<String> imageUrls;
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(PDF_PASSWORD_MSG)) {
model.addAttribute("needFilePassword", true);
return EXEL_FILE_PREVIEW_PAGE;
}
}
}
return otherFilePreview.notSupportedFile(model, fileAttribute, "pdf转图片异常，请联系管理员");
}
if (imageUrls == null || imageUrls.size() < 1) {
return otherFilePreview.notSupportedFile(model, fileAttribute, "pdf转图片异常，请联系管理员");
}