java 跳过 SSL

先用postman 测试下,(https://xxxxxxxx.com 地址)是否能访问成功

若在postman 中设置了,关闭SSL 验证

那java 代码里需要做一定来的变更,

pom文件

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>2.7.0</version><relativePath/></parent><groupId>org.example</groupId><artifactId>demo</artifactId><version>1.0-SNAPSHOT</version><dependencies><dependency><groupId>org.projectlombok</groupId><artifactId>lombok</artifactId></dependency><!-- https://mvnrepository.com/artifact/com.alibaba/fastjson --><dependency><groupId>com.alibaba</groupId><artifactId>fastjson</artifactId><version>2.0.4</version></dependency><!-- https://mvnrepository.com/artifact/org.apache.httpcomponents/httpclient --><dependency><groupId>org.apache.httpcomponents</groupId><artifactId>httpclient</artifactId><version>4.5.13</version></dependency></dependencies><properties><maven.compiler.source>8</maven.compiler.source><maven.compiler.target>8</maven.compiler.target></properties></project>

测试代码

import com.alibaba.fastjson.JSONObject;
import com.sun.org.slf4j.internal.Logger;
import com.sun.org.slf4j.internal.LoggerFactory;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.conn.ssl.NoopHostnameVerifier;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import java.io.IOException;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.X509Certificate;
import java.util.HashMap;
import java.util.Map;/*** <p>记录一次post访问,跳过ssl</p>** @author YsEz* @version V1.0.0* @date 2022/5/26 14:54*/public class ToKenDataTest {protected static Logger log = LoggerFactory.getLogger(ToKenDataTest.class);public static void main(String[] args) {//uriString uri = "https://";//头Map<String, String> headerMap = new HashMap<>();//体Map<String, String> paramMap = new HashMap<>();paramMap.put("app_key", "123");paramMap.put("app_value", "456");//post 请求 获得tokenString httpPostToken = getHttpPost(uri, headerMap, paramMap);//System.out.println("---httpPostToken:" + httpPostToken);}private static String getHttpPost(String uri, Map<String, String> headerMap, Map<String, String> paramMap) {HttpClient httpClient = wrapClient();//创建HttpClient,关键点一//uri,这里决定用 post,还是用其他方式HttpGet httpGet = new HttpGet(uri);HttpPost httpPost = new HttpPost(uri);HttpDelete httpDelete = new HttpDelete(uri);HttpPut httpPut = new HttpPut(uri);//头for (Map.Entry<String, String> entry : headerMap.entrySet()) {httpPost.addHeader(entry.getKey(), entry.getValue());}//体httpPost.setEntity(new StringEntity(JSONObject.toJSONString(paramMap), ContentType.create("application/json", "utf-8")));System.setProperty("jsse.enableSNIExtension", "false");//ssl免检  关键点二//访问HttpResponse httpResponse;String entity = null;try {httpResponse = httpClient.execute(httpPost);entity = EntityUtils.toString(httpResponse.getEntity(), "UTF-8");} catch (IOException e) {log.error(e.getMessage(), e);}return entity;}public static HttpClient wrapClient() {//关键点三try {SSLContext sc = SSLContext.getInstance("TLS");X509TrustManager tm = new X509TrustManager() {@Overridepublic void checkClientTrusted(X509Certificate[] x509Certificates, String s) {}@Overridepublic void checkServerTrusted(X509Certificate[] x509Certificates, String s) {}@Overridepublic X509Certificate[] getAcceptedIssuers() {return null;}};sc.init(null, new TrustManager[] {tm}, null);SSLConnectionSocketFactory ssf = new SSLConnectionSocketFactory(sc, NoopHostnameVerifier.INSTANCE);return HttpClients.custom().setSSLSocketFactory(ssf).build();} catch (NoSuchAlgorithmException | KeyManagementException e) {return HttpClients.createDefault();}}
}

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