CASServiceUtil.java
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package com.skua.modules.cas.util;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.conn.socket.LayeredConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.security.cert.X509Certificate;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
public class CASServiceUtil {
public static void main(String[] args) {
String serviceUrl = "https://cas.8f8.com.cn:8443/cas/p3/serviceValidate";
String service = "http://localhost:3003/user/login";
String ticket = "ST-5-1g-9cNES6KXNRwq-GuRET103sm0-DESKTOP-VKLS8B3";
String res = getSTValidate(serviceUrl,ticket, service);
System.out.println("---------res-----"+res);
}
/**
* 验证ST
*/
public static String getSTValidate(String url,String st, String service){
try {
url = url+"?service="+service+"&ticket="+st;
CloseableHttpClient httpclient = createHttpClientWithNoSsl();
HttpGet httpget = new HttpGet(url);
HttpResponse response = httpclient.execute(httpget);
String res = readResponse(response);
return res == null ? null : (res == "" ? null : res);
} catch (Exception e) {
e.printStackTrace();
}
return "";
}
/**
* 读取 response body 内容为字符串
*
* @param response
* @return
* @throws IOException
*/
private static String readResponse(HttpResponse response) throws IOException {
BufferedReader in = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
String result = new String();
String line;
while ((line = in.readLine()) != null) {
result += line;
}
return result;
}
/**
* 创建模拟客户端（针对 https 客户端禁用 SSL 验证）
* 缓存的 Cookies 信息
*/
private static CloseableHttpClient createHttpClientWithNoSsl() throws Exception {
// Create a trust manager that does not validate certificate chains
TrustManager[] trustAllCerts = new TrustManager[]{
new X509TrustManager() {
@Override
public X509Certificate[] getAcceptedIssuers() {
return null;
}
@Override
public void checkClientTrusted(X509Certificate[] certs, String authType) {
// don't check
}
@Override
public void checkServerTrusted(X509Certificate[] certs, String authType) {
// don't check
}
}
};
SSLContext ctx = SSLContext.getInstance("TLS");
ctx.init(null, trustAllCerts, null);
LayeredConnectionSocketFactory sslSocketFactory = new SSLConnectionSocketFactory(ctx);
return HttpClients.custom()
.setSSLSocketFactory(sslSocketFactory)
.build();
}
}