HttpUtils.java

/*
 * Copyright 2024-2030 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.sandy.ecp.framework.util;

/**  
 * Description: 
 * @author Sandy
 * @Date 2024年4月3日 下午3:50:52
 * @since 1.0.0
 */

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.ConnectException;
import java.net.SocketTimeoutException;
import java.net.URL;
import java.net.URLConnection;
import java.nio.charset.StandardCharsets;
import java.security.cert.X509Certificate;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * 通用http发送方法
 * 
 * @author ruoyi
 */
public class HttpUtils {
	
	private static final Logger log = LoggerFactory.getLogger(HttpUtils.class);

	/**
	 * 向指定 URL 发送GET方法的请求
	 *
	 * @param url
	 *            发送请求的 URL
	 * @return 所代表远程资源的响应结果
	 */
	public static String sendGet(String url) {
		return sendGet(url, StringUtils.EMPTY);
	}

	/**
	 * 向指定 URL 发送GET方法的请求
	 *
	 * @param url
	 *            发送请求的 URL
	 * @param param
	 *            请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
	 * @return 所代表远程资源的响应结果
	 */
	public static String sendGet(String url, String param) {
		return sendGet(url, param, "UTF-8");
	}

	/**
	 * 向指定 URL 发送GET方法的请求
	 *
	 * @param url
	 *            发送请求的 URL
	 * @param param
	 *            请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
	 * @param contentType
	 *            编码类型
	 * @return 所代表远程资源的响应结果
	 */
	public static String sendGet(String url, String param, String contentType) {
		StringBuilder result = new StringBuilder();
		BufferedReader in = null;
		try {
			String urlNameString = StringUtils.isNotBlank(param) ? url + "?" + param : url;
			log.info("sendGet - {}", urlNameString);
			URL realUrl = new URL(urlNameString);
			URLConnection connection = realUrl.openConnection();
			connection.setRequestProperty("Accept", "*/*");
			connection.setRequestProperty("Connection", "Keep-Alive");
			connection.setRequestProperty("Host", "http://whois.pconline.com.cn");
			connection.setRequestProperty("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36");
			connection.connect();
			in = new BufferedReader(new InputStreamReader(connection.getInputStream(), contentType));
			String line;
			while ((line = in.readLine()) != null) {
				result.append(line);
			}
			log.info("recv - {}", result);
		} catch (IOException e) {
			log.error(e.getMessage(), e);
		
		} finally {
			try {
				if (in != null) {
					in.close();
				}
			} catch (Exception ex) {
				
			}
		}
		return result.toString();
	}

	/**
	 * 向指定 URL 发送POST方法的请求
	 *
	 * @param url
	 *            发送请求的 URL
	 * @param param
	 *            请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
	 * @return 所代表远程资源的响应结果
	 */
	public static String sendPost(String url, String param) {
		PrintWriter out = null;
		BufferedReader in = null;
		StringBuilder result = new StringBuilder();
		try {
			log.info("sendPost - {}", url);
			URL realUrl = new URL(url);
			URLConnection conn = realUrl.openConnection();
			conn.setRequestProperty("accept", "*/*");
			conn.setRequestProperty("connection", "Keep-Alive");
			conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
			conn.setRequestProperty("Accept-Charset", "utf-8");
			conn.setRequestProperty("contentType", "utf-8");
			conn.setDoOutput(true);
			conn.setDoInput(true);
			out = new PrintWriter(conn.getOutputStream());
			out.print(param);
			out.flush();
			in = new BufferedReader(new InputStreamReader(conn.getInputStream(), StandardCharsets.UTF_8));
			String line;
			while ((line = in.readLine()) != null) {
				result.append(line);
			}
			log.info("recv - {}", result);
		} catch (ConnectException e) {
			log.error("调用HttpUtils.sendPost ConnectException, url=" + url + ",param=" + param, e);
		} catch (SocketTimeoutException e) {
			log.error("调用HttpUtils.sendPost SocketTimeoutException, url=" + url + ",param=" + param, e);
		} catch (IOException e) {
			log.error("调用HttpUtils.sendPost IOException, url=" + url + ",param=" + param, e);
		} catch (Exception e) {
			log.error("调用HttpsUtil.sendPost Exception, url=" + url + ",param=" + param, e);
		} finally {
			try {
				if (out != null) {
					out.close();
				}
				if (in != null) {
					in.close();
				}
			} catch (IOException ex) {
				log.error("调用in.close Exception, url=" + url + ",param=" + param, ex);
			}
		}
		return result.toString();
	}

	public static String sendSSLPost(String url, String param) {
		StringBuilder result = new StringBuilder();
		String urlNameString = url + "?" + param;
		try {
			log.info("sendSSLPost - {}", urlNameString);
			SSLContext sc = SSLContext.getInstance("SSL");
			sc.init(null, new TrustManager[] { new TrustAnyTrustManager() }, new java.security.SecureRandom());
			URL console = new URL(urlNameString);
			HttpsURLConnection conn = (HttpsURLConnection) console.openConnection();
			conn.setRequestProperty("accept", "*/*");
			conn.setRequestProperty("connection", "Keep-Alive");
			conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
			conn.setRequestProperty("Accept-Charset", "utf-8");
			conn.setRequestProperty("contentType", "utf-8");
			conn.setDoOutput(true);
			conn.setDoInput(true);

			conn.setSSLSocketFactory(sc.getSocketFactory());
			conn.setHostnameVerifier(new TrustAnyHostnameVerifier());
			conn.connect();
			InputStream is = conn.getInputStream();
			BufferedReader br = new BufferedReader(new InputStreamReader(is));
			String ret = "";
			while ((ret = br.readLine()) != null) {
				if (ret != null && !ret.trim().equals("")) {
					result.append(new String(ret.getBytes(StandardCharsets.ISO_8859_1), StandardCharsets.UTF_8));
				}
			}
			log.info("recv - {}", result);
			conn.disconnect();
			br.close();
		} catch (ConnectException e) {
			log.error("调用HttpUtils.sendSSLPost ConnectException, url=" + url + ",param=" + param, e);
		} catch (SocketTimeoutException e) {
			log.error("调用HttpUtils.sendSSLPost SocketTimeoutException, url=" + url + ",param=" + param, e);
		} catch (IOException e) {
			log.error("调用HttpUtils.sendSSLPost IOException, url=" + url + ",param=" + param, e);
		} catch (Exception e) {
			log.error("调用HttpsUtil.sendSSLPost Exception, url=" + url + ",param=" + param, e);
		}
		return result.toString();
	}

	private static class TrustAnyTrustManager implements X509TrustManager {
		@Override
		public void checkClientTrusted(X509Certificate[] chain, String authType) {
		}

		@Override
		public void checkServerTrusted(X509Certificate[] chain, String authType) {
		}

		@Override
		public X509Certificate[] getAcceptedIssuers() {
			return new X509Certificate[] {};
		}
	}

	private static class TrustAnyHostnameVerifier implements HostnameVerifier {
		@Override
		public boolean verify(String hostname, SSLSession session) {
			return true;
		}
	}
}