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修复使用http文件流下载时文件名编码异常Gitee-#I4W0TQ

pull/43/head
陈精华 2022-03-10 09:47:05 +08:00
parent 051ad0f4ea
commit ba7b6eed4a
2 changed files with 21 additions and 1 deletions
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14
server/src/main/java/cn/keking/utils/WebUtils.java
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@ -115,10 +115,22 @@ public class WebUtils {
* @return 文件名编码后的url
*/
public static String encodeUrlFileName(String url) {
String encodedFileName;
String fullFileName = WebUtils.getUrlParameterReg(url, "fullfilename");
if (fullFileName != null && fullFileName.length() > 0) {
try {
encodedFileName = URLEncoder.encode(fullFileName, "UTF-8");
} catch (UnsupportedEncodingException e) {
return null;
}
String noQueryUrl = url.substring(0, url.indexOf("?"));
String parameterStr = url.substring(url.indexOf("?"));
parameterStr = parameterStr.replaceFirst(fullFileName, encodedFileName);
return noQueryUrl + parameterStr;
}
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) {

8
server/src/test/java/cn/keking/utils/WebUtilsTests.java
View File

@ -21,4 +21,12 @@ public class WebUtilsTests {
String out = "https://file.keking.cn/demo/%23hello%26world.txt?param0=0&param1=1";
assert WebUtils.encodeUrlFileName(in).equals(out);
}
@Test
void encodeUrlFullFileNameTestWithParams() {
// 测试对URL中使用fullfilename参数的文件名部分进行UTF-8编码
String in = "https://file.keking.cn/demo/download?param0=0&fullfilename=hello#0.txt";
String out = "https://file.keking.cn/demo/download?param0=0&fullfilename=hello%230.txt";
assert WebUtils.encodeUrlFileName(in).equals(out);
}
}