http请求No peer certificate的解决方法-优快云博客

本文提供了一种解决使用HTTP请求调用新浪API时遇到的SSL证书验证异常的方法。通过创建自定义SSLSocketFactory类并配置信任管理器来绕过证书检查，实现了对新浪API的成功调用。

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不少同学在做HTTP请求新浪授权或新浪数据的时候会出现 javax.net.ssl.SSLPeerUnverifiedException: No peer certificate的异常。现给出解决方法（已通过测试）。

写了一个自定义类继承SSLSocketFactory：

import java.io.IOException;
import java.net.Socket;
import java.net.UnknownHostException;
import java.security.KeyManagementException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.UnrecoverableKeyException;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import org.apache.http.conn.ssl.SSLSocketFactory;
public class SSLSocketFactoryEx extends SSLSocketFactory {
SSLContext sslContext = SSLContext.getInstance("TLS");
public SSLSocketFactoryEx(KeyStore truststore)
throws NoSuchAlgorithmException, KeyManagementException,
KeyStoreException, UnrecoverableKeyException {
super(truststore);
TrustManager tm = new X509TrustManager() {
public java.security.cert.X509Certificate[] getAcceptedIssuers() {return null;}
@Override
public void checkClientTrusted(
java.security.cert.X509Certificate[] chain, String authType)
throws java.security.cert.CertificateException {}
@Override
public void checkServerTrusted(
java.security.cert.X509Certificate[] chain, String authType)
throws java.security.cert.CertificateException {}
};
sslContext.init(null, new TrustManager[] { tm }, null);
}
@Override
public Socket createSocket(Socket socket, String host, int port,boolean autoClose) throws IOException, UnknownHostException {
return sslContext.getSocketFactory().createSocket(socket, host, port,autoClose);
}
@Override
public Socket createSocket() throws IOException {
return sslContext.getSocketFactory().createSocket();
}
}

复制代码

再来看看如何做回调：

public static HttpClient getNewHttpClient() {
try {
KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType());
trustStore.load(null, null);
SSLSocketFactory sf = new SSLSocketFactoryEx(trustStore);
sf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
HttpParams params = new BasicHttpParams();
HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
HttpProtocolParams.setContentCharset(params, HTTP.UTF_8);
SchemeRegistry registry = new SchemeRegistry();
registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
registry.register(new Scheme("https", sf, 443));
ClientConnectionManager ccm = new ThreadSafeClientConnManager(params, registry);
return new DefaultHttpClient(ccm, params);
} catch (Exception e) {
return new DefaultHttpClient();
}
}