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修复 压缩包特殊符文无法访问问题 调整统一url输出为url编码解决特殊符号问题 调整跨域方法和下载方法为一样 支持重定向

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gaoxiongzaq
2024-03-14 08:16:24 +08:00
parent 29b09965a3
commit b4cd038c86
7 changed files with 83 additions and 91 deletions
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104
server/src/main/java/cn/keking/web/controller/OnlinePreviewController.java
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@@ -8,28 +8,33 @@ import cn.keking.service.cache.CacheService;
import cn.keking.service.impl.OtherFilePreviewImpl;
import cn.keking.utils.KkFileUtils;
import cn.keking.utils.WebUtils;
import com.fasterxml.jackson.databind.ObjectMapper;
import fr.opensagres.xdocreport.core.io.IOUtils;
import io.mola.galimatias.GalimatiasParseException;
import org.apache.commons.codec.binary.Base64;
import org.apache.http.client.HttpClient;
import org.apache.http.impl.client.DefaultRedirectStrategy;
import org.apache.http.impl.client.HttpClientBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpMethod;
import org.springframework.http.MediaType;
import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.client.RequestCallback;
import org.springframework.web.client.RestTemplate;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLDecoder;
import java.nio.charset.StandardCharsets;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import static cn.keking.service.FilePreview.PICTURE_FILE_PREVIEW_PAGE;
@@ -46,6 +51,9 @@ public class OnlinePreviewController {
private final CacheService cacheService;
private final FileHandlerService fileHandlerService;
private final OtherFilePreviewImpl otherFilePreview;
private static final RestTemplate restTemplate = new RestTemplate();
private static final HttpComponentsClientHttpRequestFactory factory = new HttpComponentsClientHttpRequestFactory();
private static final ObjectMapper mapper = new ObjectMapper();
public OnlinePreviewController(FilePreviewFactory filePreviewFactory, FileHandlerService fileHandlerService, CacheService cacheService, OtherFilePreviewImpl otherFilePreview) {
this.previewFactory = filePreviewFactory;
@@ -106,83 +114,53 @@ public class OnlinePreviewController {
* @param response response
*/
@GetMapping("/getCorsFile")
public void getCorsFile(String urlPath, HttpServletResponse response) throws IOException {
public void getCorsFile(String urlPath, HttpServletResponse response,FileAttribute fileAttribute) throws IOException {
URL url;
try {
urlPath = WebUtils.decodeUrl(urlPath);
url = WebUtils.normalizedURL(urlPath);
} catch (Exception ex) {
logger.error(String.format(BASE64_DECODE_ERROR_MSG, urlPath),ex);
return;
}
HttpURLConnection urlcon = null;
InputStream inputStream = null;
String urlStr;
assert urlPath != null;
if (!urlPath.toLowerCase().startsWith("http") && !urlPath.toLowerCase().startsWith("https") && !urlPath.toLowerCase().startsWith("ftp")) {
logger.info("读取跨域文件异常，可能存在非法访问，urlPath：{}", urlPath);
return;
}
logger.info("下载跨域pdf文件url：{}", urlPath);
if (!urlPath.toLowerCase().startsWith("ftp:")){
InputStream inputStream = null;
logger.info("读取跨域pdf文件url：{}", urlPath);
if (!urlPath.toLowerCase().startsWith("ftp:")) {
factory.setConnectionRequestTimeout(2000);
factory.setConnectTimeout(10000);
factory.setReadTimeout(72000);
HttpClient httpClient = HttpClientBuilder.create().setRedirectStrategy(new DefaultRedirectStrategy()).build();
factory.setHttpClient(httpClient);
restTemplate.setRequestFactory(factory);
RequestCallback requestCallback = request -> {
request.getHeaders().setAccept(Arrays.asList(MediaType.APPLICATION_OCTET_STREAM, MediaType.ALL));
String proxyAuthorization = fileAttribute.getKkProxyAuthorization();
if(StringUtils.hasText(proxyAuthorization)){
Map<String,String> proxyAuthorizationMap = mapper.readValue(proxyAuthorization, Map.class);
proxyAuthorizationMap.forEach((key, value) -> request.getHeaders().set(key, value));
}
};
try {
URL url = WebUtils.normalizedURL(urlPath);
urlcon=(HttpURLConnection)url.openConnection();
urlcon.setConnectTimeout(30000);
urlcon.setReadTimeout(30000);
urlcon.setInstanceFollowRedirects(false);
int responseCode = urlcon.getResponseCode();
if ( responseCode == 403 || responseCode == 500) { //403 500
logger.error("读取跨域文件异常，url：{}，错误：{}", urlPath,responseCode);
return ;
}
if (responseCode == HttpURLConnection.HTTP_MOVED_PERM || responseCode == HttpURLConnection.HTTP_MOVED_TEMP) { //301 302
url =new URL(urlcon.getHeaderField("Location"));
urlcon=(HttpURLConnection)url.openConnection();
} if (responseCode == 404 ) { //404
try {
urlStr = URLDecoder.decode(urlPath, StandardCharsets.UTF_8.name());
urlStr = URLDecoder.decode(urlStr, StandardCharsets.UTF_8.name());
url = WebUtils.normalizedURL(urlStr);
urlcon=(HttpURLConnection)url.openConnection();
urlcon.setConnectTimeout(30000);
urlcon.setReadTimeout(30000);
urlcon.setInstanceFollowRedirects(false);
responseCode = urlcon.getResponseCode();
if (responseCode == HttpURLConnection.HTTP_MOVED_PERM || responseCode == HttpURLConnection.HTTP_MOVED_TEMP) { //301 302
url =new URL(urlcon.getHeaderField("Location"));
}
if(responseCode == 404 ||responseCode == 403 || responseCode == 500 ){
logger.error("读取跨域文件异常，url：{}，错误：{}", urlPath,responseCode);
return ;
}
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}finally {
assert urlcon != null;
urlcon.disconnect();
}
}
if(urlPath.contains( ".svg")) {
response.setContentType("image/svg+xml");
}
inputStream=(url).openStream();
IOUtils.copy(inputStream, response.getOutputStream());
} catch (IOException | GalimatiasParseException e) {
logger.error("读取跨域文件异常，url：{}", urlPath);
} finally {
assert urlcon != null;
urlcon.disconnect();
IOUtils.closeQuietly(inputStream);
restTemplate.execute(url.toURI(), HttpMethod.GET, requestCallback, fileResponse -> {
IOUtils.copy(fileResponse.getBody(), response.getOutputStream());
return null;
});
} catch (Exception e) {
System.out.println(e);
}
} else {
}else{
try {
URL url = WebUtils.normalizedURL(urlPath);
if(urlPath.contains(".svg")) {
response.setContentType("image/svg+xml");
}
inputStream = (url).openStream();
IOUtils.copy(inputStream, response.getOutputStream());
} catch (IOException | GalimatiasParseException e) {
} catch (IOException e) {
logger.error("读取跨域文件异常，url：{}", urlPath);
} finally {
IOUtils.closeQuietly(inputStream);