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file-online-preview
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修复 url特殊符号无法下载或者输出问题 修复流接入方法 拼接字符导导致下载或者跨域错误问题

This commit is contained in:
gaoxiongzaq 2024-03-09 10:35:13 +08:00
parent 72014e1534
commit c54610caf6
8 changed files with 65 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
server/src/main/java/cn/keking/service/FileHandlerService.java
View File

@ -437,11 +437,7 @@ public class FileHandlerService implements InitializingBean {
type = FileType.typeFromFileName(fullFileName);
suffix = KkFileUtils.suffixFromFileName(fullFileName);
// 移除fullfilename参数
if (url.indexOf("fullfilename=" + fullFileName + "&") > 0) {
url = url.replace("fullfilename=" + fullFileName + "&", "");
} else {
url = url.replace("fullfilename=" + fullFileName, "");
}
url = WebUtils.clearFullfilenameParam(url);
} else {
originFileName = WebUtils.getFileNameFromURL(url);
type = FileType.typeFromUrl(url);
@ -460,13 +456,14 @@ public class FileHandlerService implements InitializingBean {
e.printStackTrace();
}
}
url = WebUtils.encodeUrlFileName(url);
if (UrlEncoderUtils.hasUrlEncoded(originFileName)) { //判断文件名是否转义
try {
originFileName = URLDecoder.decode(originFileName, uriEncoding).replaceAll("\\+", "%20");
originFileName = URLDecoder.decode(originFileName, uriEncoding); //转义的文件名 解下出原始文件名
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
}else {
url = WebUtils.encodeUrlFileName(url); //对未转义的url进行转义
}
originFileName = KkFileUtils.htmlEscape(originFileName); //文件名处理
boolean isHtmlView = 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");

3
server/src/main/java/cn/keking/service/impl/CadFilePreviewImpl.java
View File

@ -7,10 +7,10 @@ import cn.keking.service.FileHandlerService;
import cn.keking.service.FilePreview;
import cn.keking.utils.DownloadUtils;
import cn.keking.utils.KkFileUtils;
import cn.keking.utils.WebUtils;
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;
@ -70,6 +70,7 @@ public class CadFilePreviewImpl implements FilePreview {
}
}
}
cacheName= WebUtils.encodeFileName(cacheName);
if ("tif".equalsIgnoreCase(cadPreviewType)) {
model.addAttribute("currentUrl", cacheName);
return TIFF_FILE_PREVIEW_PAGE;

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

@ -9,13 +9,13 @@ import cn.keking.service.OfficeToPdfService;
import cn.keking.utils.DownloadUtils;
import cn.keking.utils.KkFileUtils;
import cn.keking.utils.OfficeUtils;
import cn.keking.utils.WebUtils;
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.ObjectUtils;
import org.springframework.util.StringUtils;
import java.io.IOException;
@ -111,7 +111,7 @@ public class OfficeFilePreviewImpl implements FilePreview {
if (!isHtmlView && baseUrl != null && (OFFICE_PREVIEW_TYPE_IMAGE.equals(officePreviewType) || OFFICE_PREVIEW_TYPE_ALL_IMAGES.equals(officePreviewType))) {
return getPreviewType(model, fileAttribute, officePreviewType, cacheName, outFilePath, fileHandlerService, OFFICE_PREVIEW_TYPE_IMAGE, otherFilePreview);
}
model.addAttribute("pdfUrl", cacheName);
model.addAttribute("pdfUrl", WebUtils.encodeFileName(cacheName)); //输出转义文件名 方便url识别
return isHtmlView ? EXEL_FILE_PREVIEW_PAGE : PDF_FILE_PREVIEW_PAGE;
}

6
server/src/main/java/cn/keking/service/impl/PdfFilePreviewImpl.java
View File

@ -3,16 +3,16 @@ package cn.keking.service.impl;
import cn.keking.config.ConfigConstants;
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.service.FileHandlerService;
import cn.keking.utils.WebUtils;
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;
/**
@ -88,7 +88,7 @@ public class PdfFilePreviewImpl implements FilePreview {
fileHandlerService.addConvertedFile(pdfName, fileHandlerService.getRelativePath(outFilePath));
}
} else {
model.addAttribute("pdfUrl", pdfName);
model.addAttribute("pdfUrl", WebUtils.encodeFileName(pdfName));
}
} else {
model.addAttribute("pdfUrl", url);

9
server/src/main/java/cn/keking/service/impl/TiffFilePreviewImpl.java
View File

@ -8,11 +8,10 @@ import cn.keking.service.FilePreview;
import cn.keking.utils.ConvertPicUtil;
import cn.keking.utils.DownloadUtils;
import cn.keking.utils.KkFileUtils;
import cn.keking.utils.WebUtils;
import org.springframework.stereotype.Service;
import org.springframework.ui.Model;
import org.springframework.util.ObjectUtils;
import java.io.IOException;
import java.util.List;
/**
@ -64,7 +63,7 @@ public class TiffFilePreviewImpl implements FilePreview {
// 加入缓存
fileHandlerService.addConvertedFile(cacheName, fileHandlerService.getRelativePath(outFilePath));
}
model.addAttribute("pdfUrl", cacheName);
model.addAttribute("pdfUrl", WebUtils.encodeFileName(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
@ -95,7 +94,7 @@ public class TiffFilePreviewImpl implements FilePreview {
}
}
if ("pdf".equalsIgnoreCase(tifPreviewType)) {
model.addAttribute("pdfUrl", fileHandlerService.listConvertedFiles().get(cacheName));
model.addAttribute("pdfUrl", WebUtils.encodeFileName(cacheName));
return PDF_FILE_PREVIEW_PAGE;
}
else if ("jpg".equalsIgnoreCase(tifPreviewType)) {
@ -117,7 +116,7 @@ public class TiffFilePreviewImpl implements FilePreview {
fileHandlerService.addConvertedFile(fileName, fileHandlerService.getRelativePath(outFilePath));
}
} else {
model.addAttribute("currentUrl", fileName);
model.addAttribute("currentUrl", WebUtils.encodeFileName(fileName));
}
return TIFF_FILE_PREVIEW_PAGE;
}

3
server/src/main/java/cn/keking/utils/DownloadUtils.java
View File

@ -105,8 +105,7 @@ public class DownloadUtils {
}
};
try {
URI uri = URI.create(urlStr);
restTemplate.execute(uri, HttpMethod.GET, requestCallback, fileResponse -> {
restTemplate.execute(url.toURI(), HttpMethod.GET, requestCallback, fileResponse -> {
FileUtils.copyToFile(fileResponse.getBody(), realFile);
return null;
});

47
server/src/main/java/cn/keking/utils/WebUtils.java
View File

@ -5,6 +5,7 @@ import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.util.Base64Utils;
import org.springframework.util.ObjectUtils;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.util.HtmlUtils;
@ -40,6 +41,52 @@ public class WebUtils {
return io.mola.galimatias.URL.parse(urlStr).toJavaURL();
}
/**
* 对文件名进行编码
*
*/
public static String encodeFileName(String name) {
try {
name = URLEncoder.encode(name, "UTF-8").replaceAll("\\+", "%20");
} catch (UnsupportedEncodingException e) {
return null;
}
return name;
}
/**
* 去除fullfilename参数
*
* @param urlStr
* @return
*/
public static String clearFullfilenameParam(String urlStr) {
// 去除特定参数字段
Pattern pattern = Pattern.compile("(&fullfilename=[^&]*)");
Matcher matcher = pattern.matcher(urlStr);
return matcher.replaceAll("");
}
/**
* 对URL进行编码
*/
public static String urlEncoderencode(String urlStr) {
String fullFileName = getUrlParameterReg(urlStr, "fullfilename"); //获取文件名
if (!ObjectUtils.isEmpty(fullFileName)) { //判断是否启用了 流接入方法
urlStr = clearFullfilenameParam(urlStr); //去掉流接入 拼接命令
}
try {
urlStr = URLEncoder.encode(urlStr, "UTF-8").replaceAll("\\+", "%20");
urlStr = urlStr.replaceAll("%3A", ":").replaceAll("%2F", "/").replaceAll("%3F", "?").replaceAll("%26", "&");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return urlStr;
}
/**
* 获取url中的参数
*

4
server/src/main/java/cn/keking/web/controller/OnlinePreviewController.java
View File

@ -64,11 +64,11 @@ public class OnlinePreviewController {
String errorMsg = String.format(BASE64_DECODE_ERROR_MSG, "url");
return otherFilePreview.notSupportedFile(model, errorMsg);
}
FileAttribute fileAttribute = fileHandlerService.getFileAttribute(fileUrl, req);
FileAttribute fileAttribute = fileHandlerService.getFileAttribute(fileUrl, req); //这里不在进行URL 处理了
model.addAttribute("file", fileAttribute);
FilePreview filePreview = previewFactory.get(fileAttribute);
logger.info("预览文件url：{}，previewType：{}", fileUrl, fileAttribute.getType());
return filePreview.filePreviewHandle(fileUrl, model, fileAttribute);
return filePreview.filePreviewHandle(WebUtils.urlEncoderencode(fileUrl), model, fileAttribute); //统一在这里处理 url
}
@GetMapping( "/picturesPreview")