package com.ruoyi.common.utils.http;
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import java.io.*;
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import java.net.*;
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import java.nio.charset.StandardCharsets;
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import java.security.cert.X509Certificate;
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import java.util.Map;
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import javax.net.ssl.HostnameVerifier;
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import javax.net.ssl.HttpsURLConnection;
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import javax.net.ssl.SSLContext;
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import javax.net.ssl.SSLSession;
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import javax.net.ssl.TrustManager;
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import javax.net.ssl.X509TrustManager;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.ruoyi.common.constant.Constants;
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import com.ruoyi.common.utils.StringUtils;
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import org.springframework.http.MediaType;
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/**
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* 通用http发送方法
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*
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* @author ruoyi
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*/
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public class HttpUtils
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{
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private static final Logger log = LoggerFactory.getLogger(HttpUtils.class);
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public static final int DEFAULT_READ_TIMEOUT = 60000;
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private static final String BOUNDARY_PREFIX = "----WebKitFormBoundary";
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private static final String LINE_END = "\r\n";
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private static final String TWO_HYPHENS = "--";
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/**
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* 生成唯一的boundary
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*/
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private static String generateBoundary() {
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return BOUNDARY_PREFIX + System.currentTimeMillis();
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}
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/**
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* 根据文件名获取Content-Type
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*/
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private static String getContentType(String fileName) {
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if (fileName == null) {
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return "application/octet-stream";
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}
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String extension = fileName.toLowerCase();
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if (extension.endsWith(".jpg") || extension.endsWith(".jpeg")) {
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return "image/jpeg";
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} else if (extension.endsWith(".png")) {
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return "image/png";
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} else if (extension.endsWith(".gif")) {
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return "image/gif";
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} else if (extension.endsWith(".pdf")) {
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return "application/pdf";
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} else if (extension.endsWith(".doc")) {
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return "application/msword";
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} else if (extension.endsWith(".docx")) {
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return "application/vnd.openxmlformats-officedocument.wordprocessingml.document";
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} else {
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return "application/octet-stream";
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}
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}
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/**
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* 向指定 URL 发送GET方法的请求
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*
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* @param url 发送请求的 URL
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* @return 所代表远程资源的响应结果
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*/
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public static String sendGet(String url)
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{
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return sendGet(url, StringUtils.EMPTY);
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}
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/**
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* 向指定 URL 发送GET方法的请求
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*
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* @param url 发送请求的 URL
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* @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
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* @return 所代表远程资源的响应结果
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*/
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public static String sendGet(String url, String param)
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{
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return sendGet(url, param, Constants.UTF8);
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}
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/**
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* 向指定 URL 发送GET方法的请求
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*
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* @param url 发送请求的 URL
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* @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
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* @param contentType 编码类型
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* @return 所代表远程资源的响应结果
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*/
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public static String sendGet(String url, String param, String contentType)
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{
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StringBuilder result = new StringBuilder();
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BufferedReader in = null;
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try
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{
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String urlNameString = StringUtils.isNotBlank(param) ? url + "?" + param : url;
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log.info("sendGet - {}", urlNameString);
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URL realUrl = new URL(urlNameString);
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URLConnection connection = realUrl.openConnection();
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connection.setRequestProperty("accept", "*/*");
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connection.setRequestProperty("connection", "Keep-Alive");
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connection.setRequestProperty("user-agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64)");
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connection.connect();
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in = new BufferedReader(new InputStreamReader(connection.getInputStream(), contentType));
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String line;
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while ((line = in.readLine()) != null)
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{
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result.append(line);
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}
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log.info("recv - {}", result);
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}
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catch (ConnectException e)
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{
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log.error("调用HttpUtils.sendGet ConnectException, url=" + url + ",param=" + param, e);
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}
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catch (SocketTimeoutException e)
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{
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log.error("调用HttpUtils.sendGet SocketTimeoutException, url=" + url + ",param=" + param, e);
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}
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catch (IOException e)
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{
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log.error("调用HttpUtils.sendGet IOException, url=" + url + ",param=" + param, e);
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}
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catch (Exception e)
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{
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log.error("调用HttpsUtil.sendGet Exception, url=" + url + ",param=" + param, e);
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}
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finally
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{
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try
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{
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if (in != null)
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{
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in.close();
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}
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}
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catch (Exception ex)
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{
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log.error("调用in.close Exception, url=" + url + ",param=" + param, ex);
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}
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}
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return result.toString();
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}
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/**
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* 向指定 URL 发送POST方法的请求
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*
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* @param url 发送请求的 URL
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* @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
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* @return 所代表远程资源的响应结果
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*/
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public static String sendPost(String url, String param)
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{
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return sendPost(url, param, MediaType.APPLICATION_FORM_URLENCODED_VALUE);
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}
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/**
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* 向指定 URL 发送POST方法的请求
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*
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* @param url 发送请求的 URL
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* @param param 请求参数
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* @param contentType 内容类型
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* @return 所代表远程资源的响应结果
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*/
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public static String sendPost(String url, String param, String contentType)
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{
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PrintWriter out = null;
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BufferedReader in = null;
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StringBuilder result = new StringBuilder();
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try
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{
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log.info("sendPost - {}", url);
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URL realUrl = new URL(url);
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URLConnection conn = realUrl.openConnection();
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//设置连接超时时间
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// conn.setConnectTimeout(DEFAULT_READ_TIMEOUT);
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// //设置读取超时时间
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// conn.setReadTimeout(DEFAULT_READ_TIMEOUT);
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conn.setRequestProperty("accept", "*/*");
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conn.setRequestProperty("connection", "Keep-Alive");
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conn.setRequestProperty("user-agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64)");
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conn.setRequestProperty("Accept-Charset", "utf-8");
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conn.setRequestProperty("Content-Type", contentType);
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conn.setDoOutput(true);
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conn.setDoInput(true);
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out = new PrintWriter(conn.getOutputStream());
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out.print(param);
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out.flush();
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in = new BufferedReader(new InputStreamReader(conn.getInputStream(), StandardCharsets.UTF_8));
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String line;
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while ((line = in.readLine()) != null)
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{
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result.append(line);
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}
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log.info("recv - {}", result);
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}
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catch (ConnectException e)
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{
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log.error("调用HttpUtils.sendPost ConnectException, url=" + url + ",param=" + param, e);
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}
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catch (SocketTimeoutException e)
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{
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log.error("调用HttpUtils.sendPost SocketTimeoutException, url=" + url + ",param=" + param, e);
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}
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catch (IOException e)
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{
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log.error("调用HttpUtils.sendPost IOException, url=" + url + ",param=" + param, e);
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}
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catch (Exception e)
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{
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log.error("调用HttpsUtil.sendPost Exception, url=" + url + ",param=" + param, e);
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}
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finally
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{
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try
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{
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if (out != null)
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{
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out.close();
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}
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if (in != null)
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{
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in.close();
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}
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}
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catch (IOException ex)
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{
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log.error("调用in.close Exception, url=" + url + ",param=" + param, ex);
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}
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}
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return result.toString();
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}
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public static String sendSSLPost(String url, String param)
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{
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return sendSSLPost(url, param, MediaType.APPLICATION_FORM_URLENCODED_VALUE);
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}
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public static String sendSSLPost(String url, String param, String contentType)
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{
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StringBuilder result = new StringBuilder();
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String urlNameString = url + "?" + param;
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try
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{
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// log.info("sendSSLPost - {}", urlNameString);
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SSLContext sc = SSLContext.getInstance("SSL");
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sc.init(null, new TrustManager[] { new TrustAnyTrustManager() }, new java.security.SecureRandom());
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URL console = new URL(urlNameString);
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HttpsURLConnection conn = (HttpsURLConnection) console.openConnection();
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conn.setRequestProperty("accept", "*/*");
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conn.setRequestProperty("connection", "Keep-Alive");
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conn.setRequestProperty("user-agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64)");
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conn.setRequestProperty("Accept-Charset", "utf-8");
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conn.setRequestProperty("Content-Type", contentType);
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conn.setDoOutput(true);
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conn.setDoInput(true);
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conn.setSSLSocketFactory(sc.getSocketFactory());
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conn.setHostnameVerifier(new TrustAnyHostnameVerifier());
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conn.connect();
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InputStream is = conn.getInputStream();
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BufferedReader br = new BufferedReader(new InputStreamReader(is));
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String ret = "";
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while ((ret = br.readLine()) != null)
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{
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if (ret != null && !"".equals(ret.trim()))
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{
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result.append(new String(ret.getBytes(StandardCharsets.ISO_8859_1), StandardCharsets.UTF_8));
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}
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}
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// log.info("recv - {}", result);
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conn.disconnect();
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br.close();
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}
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catch (ConnectException e)
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{
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// log.error("调用HttpUtils.sendSSLPost ConnectException, url=" + url + ",param=" + param, e);
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}
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catch (SocketTimeoutException e)
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{
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// log.error("调用HttpUtils.sendSSLPost SocketTimeoutException, url=" + url + ",param=" + param, e);
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}
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catch (IOException e)
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{
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// log.error("调用HttpUtils.sendSSLPost IOException, url=" + url + ",param=" + param, e);
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}
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catch (Exception e)
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{
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// log.error("调用HttpsUtil.sendSSLPost Exception, url=" + url + ",param=" + param, e);
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}
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return result.toString();
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}
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private static class TrustAnyTrustManager implements X509TrustManager
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{
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@Override
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public void checkClientTrusted(X509Certificate[] chain, String authType)
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{
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}
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@Override
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public void checkServerTrusted(X509Certificate[] chain, String authType)
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{
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}
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@Override
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public X509Certificate[] getAcceptedIssuers()
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{
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return new X509Certificate[] {};
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}
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}
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private static class TrustAnyHostnameVerifier implements HostnameVerifier
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{
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@Override
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public boolean verify(String hostname, SSLSession session)
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{
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return true;
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}
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}
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/**
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* 发送文件上传请求
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*
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* @param url 请求URL
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* @param params 请求参数（包含文件流）
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* @return 响应内容
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*/
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public static String postFile(String url, Map<String, Object> params) {
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return postFile(url, params, null);
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}
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/**
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* 发送文件上传请求（支持自定义文件名）
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* 支持HTTP和HTTPS，HTTPS会自动忽略SSL证书验证
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*
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* @param url 请求URL
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* @param params 请求参数（包含文件流）
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* @param fileName 文件名（可选，如果为null则使用参数键名）
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* @return 响应内容
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*/
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public static String postFile(String url, Map<String, Object> params, String fileName) {
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HttpURLConnection connection = null;
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try {
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// 生成唯一的boundary
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String boundary = generateBoundary();
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log.info("开始文件上传 - URL: {}, fileName: {}, boundary: {}", url, fileName, boundary);
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log.info("参数数量: {}", params.size());
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for (Map.Entry<String, Object> entry : params.entrySet()) {
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log.info("参数: {} = {}", entry.getKey(), entry.getValue() instanceof InputStream ? "InputStream" : entry.getValue());
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}
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// 创建连接
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URL requestUrl = new URL(url);
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connection = (HttpURLConnection) requestUrl.openConnection();
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// 如果是HTTPS请求，配置SSL信任所有证书
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if (connection instanceof HttpsURLConnection) {
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HttpsURLConnection httpsConnection = (HttpsURLConnection) connection;
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SSLContext sc = SSLContext.getInstance("TLS");
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sc.init(null, new TrustManager[] { new TrustAnyTrustManager() }, new java.security.SecureRandom());
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httpsConnection.setSSLSocketFactory(sc.getSocketFactory());
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httpsConnection.setHostnameVerifier(new TrustAnyHostnameVerifier());
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log.info("配置HTTPS连接，忽略SSL证书验证");
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}
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// 设置请求属性
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connection.setRequestMethod("POST");
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connection.setDoOutput(true);
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connection.setDoInput(true);
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connection.setUseCaches(false);
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connection.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);
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connection.setRequestProperty("Accept", "application/json");
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connection.setRequestProperty("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36");
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connection.setRequestProperty("Connection", "Keep-Alive");
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connection.setRequestProperty("Accept-Charset", "utf-8");
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connection.setConnectTimeout(30000);
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connection.setReadTimeout(60000);
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// 构建请求体
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try (OutputStream outputStream = connection.getOutputStream();
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PrintWriter writer = new PrintWriter(new OutputStreamWriter(outputStream, StandardCharsets.UTF_8), true)) {
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// 写入普通参数
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for (Map.Entry<String, Object> entry : params.entrySet()) {
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Object value = entry.getValue();
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if (!(value instanceof InputStream)) {
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writer.append(TWO_HYPHENS).append(boundary).append(LINE_END);
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writer.append("Content-Disposition: form-data; name=\"").append(entry.getKey()).append("\"").append(LINE_END);
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writer.append("Content-Type: text/plain; charset=UTF-8").append(LINE_END);
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writer.append(LINE_END);
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writer.append(value.toString()).append(LINE_END);
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writer.flush();
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}
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}
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// 写入文件参数
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for (Map.Entry<String, Object> entry : params.entrySet()) {
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Object value = entry.getValue();
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if (value instanceof InputStream) {
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// 确定文件名
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String actualFileName = fileName != null ? fileName : entry.getKey();
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writer.append(TWO_HYPHENS).append(boundary).append(LINE_END);
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writer.append("Content-Disposition: form-data; name=\"").append(entry.getKey()).append("\"; filename=\"").append(actualFileName).append("\"").append(LINE_END);
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writer.append("Content-Type: ").append(getContentType(actualFileName)).append(LINE_END);
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writer.append(LINE_END);
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writer.flush();
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// 写入文件内容
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try (InputStream inputStream = (InputStream) value) {
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byte[] buffer = new byte[4096];
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int bytesRead;
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while ((bytesRead = inputStream.read(buffer)) != -1) {
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outputStream.write(buffer, 0, bytesRead);
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}
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outputStream.flush();
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}
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writer.append(LINE_END);
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writer.flush();
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}
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}
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// 写入结束标记
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writer.append(TWO_HYPHENS).append(boundary).append(TWO_HYPHENS).append(LINE_END);
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writer.flush();
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}
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// 获取响应
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int responseCode = connection.getResponseCode();
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log.info("文件上传响应码：{}", responseCode);
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// 读取响应内容
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StringBuilder response = new StringBuilder();
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try (BufferedReader reader = new BufferedReader(
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new InputStreamReader(
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responseCode == HttpURLConnection.HTTP_OK ?
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connection.getInputStream() :
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connection.getErrorStream(),
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StandardCharsets.UTF_8))) {
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String line;
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while ((line = reader.readLine()) != null) {
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response.append(line);
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}
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}
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if (responseCode != HttpURLConnection.HTTP_OK) {
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log.error("文件上传失败，响应码：{}，响应内容：{}", responseCode, response.toString());
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throw new RuntimeException("文件上传失败，响应码: " + responseCode + "，响应内容: " + response.toString());
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}
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log.info("文件上传成功，响应：{}", response.toString());
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return response.toString();
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} catch (Exception e) {
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log.error("文件上传异常：{}", e.getMessage(), e);
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throw new RuntimeException("文件上传失败: " + e.getMessage(), e);
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} finally {
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if (connection != null) {
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connection.disconnect();
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}
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}
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}
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}
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