Merge pull request #272 from jerrykcode/master

修复: 文件名含有特殊字符时无法预览
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gitchenjh 2021-08-21 14:19:40 +08:00 committed by GitHub
commit fb8a19469b
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3 changed files with 46 additions and 0 deletions

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@ -273,6 +273,7 @@ public class FileHandlerService {
attribute.setType(type);
attribute.setName(fileName);
attribute.setSuffix(suffix);
url = WebUtils.encodeUrlFileName(url);
attribute.setUrl(url);
if (req != null) {
String officePreviewType = req.getParameter("officePreviewType");

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@ -2,8 +2,10 @@ package cn.keking.utils;
import io.mola.galimatias.GalimatiasParseException;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLEncoder;
import java.util.HashMap;
import java.util.Map;
@ -97,4 +99,23 @@ public class WebUtils {
String fileName = nonPramStr.substring(nonPramStr.lastIndexOf("/") + 1);
return KkFileUtils.suffixFromFileName(fileName);
}
/**
* 对url中的文件名进行UTF-8编码
*
* @param url url
* @return 文件名编码后的url
*/
public static String encodeUrlFileName(String url) {
String noQueryUrl = url.substring(0, url.contains("?") ? url.indexOf("?") : url.length());
int fileNameStartIndex = noQueryUrl.lastIndexOf('/') + 1;
int fileNameEndIndex = noQueryUrl.lastIndexOf('.');
String encodedFileName;
try {
encodedFileName = URLEncoder.encode(noQueryUrl.substring(fileNameStartIndex, fileNameEndIndex), "UTF-8");
} catch (UnsupportedEncodingException e) {
return null;
}
return url.substring(0, fileNameStartIndex) + encodedFileName + url.substring(fileNameEndIndex);
}
}

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@ -0,0 +1,24 @@
package cn.keking.utils;
import org.junit.jupiter.api.Test;
public class WebUtilsTests {
@Test
void encodeUrlFileNameTest() {
// 测试对URL中的文件名部分进行UTF-8编码
String in = "https://file.keking.cn/demo/hello#0.txt";
String out = "https://file.keking.cn/demo/hello%230.txt";
assert WebUtils.encodeUrlFileName(in).equals(out);
}
@Test
void encodeUrlFileNameTestWithParams() {
// 测试对URL中的文件名部分进行UTF-8编码
// URL带参数
// 文件名"#hello&world"中的"&"应该被编码成为"%26"?后的参数列表中的"&"不会被编码
String in = "https://file.keking.cn/demo/#hello&world.txt?param0=0&param1=1";
String out = "https://file.keking.cn/demo/%23hello%26world.txt?param0=0&param1=1";
assert WebUtils.encodeUrlFileName(in).equals(out);
}
}