Java中get/post的https請求忽略ssl證書認證淺析
更新時間:2024年01月03日 08:30:26 作者:醉酒de李白
因為Java在安裝的時候,會默認導入某些根證書,所以有些網站不導入證書,也可以使用Java進行訪問,這篇文章主要給大家介紹了關于Java中get/post的https請求忽略ssl證書認證的相關資料,需要的朋友可以參考下
需求
最近在負責一個對接第三方服務的事情,在對接期間,因為第三方服務為https的請求,眾所周知,請求https請求會使用本地的證書公鑰去訪問服務SSL證書,應我本地并沒有對應的SSL證書,所以請求不到服務,請求接口時報如下錯誤。翻閱資源發(fā)現(xiàn)是可以 忽略SSL認證的。
- unable to find valid certification path to requested target
工具類
import org.apache.http.client.HttpClient;
import org.apache.http.conn.ssl.NoopHostnameVerifier;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
import org.springframework.http.converter.StringHttpMessageConverter;
import org.springframework.web.client.RestTemplate;
import java.nio.charset.StandardCharsets;
import java.security.cert.CertificateException;
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;
public class SslUtils {
private static void trustAllHttpsCertificates() throws Exception {
TrustManager[] trustAllCerts = new TrustManager[1];
TrustManager tm = new miTM();
trustAllCerts[0] = tm;
SSLContext sc = SSLContext.getInstance("SSL");
sc.init(null, trustAllCerts, null);
HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
}
static class miTM implements TrustManager, X509TrustManager {
@Override
public X509Certificate[] getAcceptedIssuers() {
return null;
}
public boolean isServerTrusted(X509Certificate[] certs) {
return true;
}
public boolean isClientTrusted(X509Certificate[] certs) {
return true;
}
@Override
public void checkServerTrusted(X509Certificate[] certs, String authType) throws CertificateException {
return;
}
@Override
public void checkClientTrusted(X509Certificate[] certs, String authType) throws CertificateException {
return;
}
}
/**
* 忽略HTTPS請求的SSL證書,必須在openConnection之前調用
*
* @throws Exception
*/
public static void ignoreSsl() throws Exception {
HostnameVerifier hv = new HostnameVerifier() {
@Override
public boolean verify(String urlHostName, SSLSession session) {
System.out.println("Warning: URL Host: " + urlHostName + " vs. " + session.getPeerHost());
return true;
}
};
trustAllHttpsCertificates();
HttpsURLConnection.setDefaultHostnameVerifier(hv);
}
/**
* 避免HttpClient的”SSLPeerUnverifiedException: peer not authenticated”異常
* <p>
* 不用導入SSL證書
*
* @param base
* @return
*/
public static HttpClient wrapClient(HttpClient base) {
try {
SSLContext ctx = SSLContext.getInstance("TLS");
X509TrustManager tm = new X509TrustManager() {
@Override
public X509Certificate[] getAcceptedIssuers() {
return null;
}
@Override
public void checkClientTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {}
@Override
public void checkServerTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {}
};
ctx.init(null, new TrustManager[]{tm}, null);
SSLConnectionSocketFactory ssf = new SSLConnectionSocketFactory(ctx, NoopHostnameVerifier.INSTANCE);
CloseableHttpClient httpclient = HttpClients.custom().setSSLSocketFactory(ssf).build();
return httpclient;
} catch (Exception ex) {
ex.printStackTrace();
return HttpClients.createDefault();
}
}
/**
* 跳過證書效驗的sslcontext
*
* @return
* @throws Exception
*/
private static SSLContext createIgnoreVerifySSL() throws Exception {
SSLContext sc = SSLContext.getInstance("TLS");
// 實現(xiàn)一個X509TrustManager接口,用于繞過驗證,不用修改里面的方法
X509TrustManager trustManager = new X509TrustManager() {
@Override
public void checkClientTrusted(java.security.cert.X509Certificate[] paramArrayOfX509Certificate,
String paramString) throws CertificateException {
}
@Override
public void checkServerTrusted(java.security.cert.X509Certificate[] paramArrayOfX509Certificate,
String paramString) throws CertificateException {
}
@Override
public java.security.cert.X509Certificate[] getAcceptedIssuers() {
return null;
}
};
sc.init(null, new TrustManager[] { trustManager }, null);
return sc;
}
/**
* 構造RestTemplate
*
* @return
* @throws Exception
*/
public static RestTemplate getRestTemplate() throws Exception {
HttpComponentsClientHttpRequestFactory factory = new HttpComponentsClientHttpRequestFactory();
// 超時
// factory.setConnectionRequestTimeout(5000);
// factory.setConnectTimeout(5000);
// factory.setReadTimeout(5000);
SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(createIgnoreVerifySSL(),
// 指定TLS版本
null,
// 指定算法
null,
// 取消域名驗證
new HostnameVerifier() {
@Override
public boolean verify(String string, SSLSession ssls) {
return true;
}
});
CloseableHttpClient httpClient = HttpClients.custom().setSSLSocketFactory(sslsf).build();
factory.setHttpClient(httpClient);
RestTemplate restTemplate = new RestTemplate(factory);
// 解決中文亂碼問題
restTemplate.getMessageConverters().set(1, new StringHttpMessageConverter(StandardCharsets.UTF_8));
return restTemplate;
}
}
使用方法
@Override
public void completionIndexPushToODS(List<Bean> data) throws Exception {
try {
//請求地址
String url ="https://.....";
//請求參數(shù)
String requestData = JSON.toJSONString(data);
System.out.println("請求參數(shù):" + requestData);
RestTemplate restTemplate;
if (flag) {
//HTTP繞過SSL證書認證
restTemplate = SslUtils.getRestTemplate();
} else {
//普通請求方式
restTemplate = new RestTemplate();
}
//自定義header傳輸信息(根據(jù)自己的需求設置)
HttpHeaders httpHeaders = new HttpHeaders();
httpHeaders.setContentType(MediaType.APPLICATION_JSON_UTF8);
HttpEntity<MultiValueMap<String, String>> httpEntity = new HttpEntity(JSON.toJSON(data), httpHeaders);
URI uri = new URI(url);
System.out.println("開始請求");
//POST返回字節(jié)方式
byte[] response = restTemplate.postForObject(uri, httpEntity, byte[].class);
//GET請求返回字符
//String request = restTemplate.getForObject(uri, String.class);
System.out.println("請求結束");
if (response == null) {
System.out.println("返回值為空");
}
String result = new String(response, "utf-8");
System.out.println("返回結果:" + result);
} catch (Exception e) {
e.printStackTrace();
}
}總結
到此這篇關于Java中get/post的https請求忽略ssl證書認證的文章就介紹到這了,更多相關Java https請求忽略ssl證書認證內容請搜索腳本之家以前的文章或繼續(xù)瀏覽下面的相關文章希望大家以后多多支持腳本之家!
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