JAVA调用HTTPS双向认证API_java 如何使用jks调用api-优快云博客

本文提供了一个Java类示例，展示了如何使用HTTPS进行GET和POST请求，并详细介绍了如何配置SSL上下文来确保通信的安全性。

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import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.security.KeyManagementException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.security.UnrecoverableKeyException;
import java.security.cert.CertificateException;
import java.util.List;
import java.util.Map;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.KeyManager;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.TrustManager;
import javax.net.ssl.TrustManagerFactory;
public class HttpTest {
public static String KEY_STORE_FILE="imp_client.p12";
public static String KEY_STORE_PASS="nymeria";
public static String TRUST_STORE_FILE="cvte.com.jks";
public static String TRUST_STORE_PASS="123456";
private static SSLContext sslContext;
/**
* 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 URL 所代表远程资源的响应结果
*
*/
public static String sendGet(String url, String param) {
String result = "";
BufferedReader in = null;
try {
String urlNameString = url + "?" + param;
URL realUrl = new URL(urlNameString);
// 打开和URL之间的连接
HttpURLConnection connection = (HttpURLConnection) realUrl.openConnection();
// 打开和URL之间的连接
if(connection instanceof HttpsURLConnection){
((HttpsURLConnection)connection)
.setSSLSocketFactory(getSSLContext().getSocketFactory());
}
// 设置通用的请求属性
connection.setRequestProperty("accept", "*/*");
connection.setRequestProperty("connection", "Keep-Alive");
connection.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
// 建立实际的连接
connection.connect();
// 获取所有响应头字段
Map<String, List<String>> map = connection.getHeaderFields();
// 遍历所有的响应头字段
for (String key : map.keySet()) {
//System.out.println(key + "--->" + map.get(key));
}
// 定义 BufferedReader输入流来读取URL的响应
if(connection.getResponseCode()==200){
in = new BufferedReader(new InputStreamReader(
connection.getInputStream()));
}else{
in = new BufferedReader(new InputStreamReader(
connection.getErrorStream()));
}
String line;
while ((line = in.readLine()) != null) {
result += line;
}
} catch (Exception e) {
System.out.println("发送GET请求出现异常！" + e);
e.printStackTrace();
}
// 使用finally块来关闭输入流
finally {
try {
if (in != null) {
in.close();
}
} catch (Exception e2) {
e2.printStackTrace();
}
}
return result;
}
/**
* 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;
String result = "";
try {
URL realUrl = new URL(url);
// 打开和URL之间的连接
HttpURLConnection conn = (HttpURLConnection) realUrl.openConnection();
if(conn instanceof HttpsURLConnection){
((HttpsURLConnection)conn)
.setSSLSocketFactory(getSSLContext().getSocketFactory());
}
// 设置通用的请求属性
conn.setRequestProperty("accept", "*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
// 发送POST请求必须设置如下两行
conn.setDoOutput(true);
conn.setDoInput(true);
// 获取URLConnection对象对应的输出流
out = new PrintWriter(conn.getOutputStream());
// 发送请求参数
out.print(param);
// flush输出流的缓冲
out.flush();
// 定义BufferedReader输入流来读取URL的响应
if(conn.getResponseCode()==200){
in = new BufferedReader(
new InputStreamReader(conn.getInputStream()));
}else{
in = new BufferedReader(
new InputStreamReader(conn.getErrorStream()));
}
String line="";
while ((line = in.readLine()) != null) {
result += line;
}
} catch (Exception e) {
System.out.println("发送 POST 请求出现异常！"+e);
e.printStackTrace();
}
//使用finally块来关闭输出流、输入流
finally{
try{
if(out!=null){
out.close();
}
if(in!=null){
in.close();
}
}catch(IOException ex){
ex.printStackTrace();
}
}
return result;
}
public static SSLContext getSSLContext(){
long time1=System.currentTimeMillis();
if(sslContext==null){
try {
KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509");
kmf.init(getkeyStore(),KEY_STORE_PASS.toCharArray());
KeyManager[] keyManagers = kmf.getKeyManagers();
TrustManagerFactory trustManagerFactory=TrustManagerFactory.getInstance("SunX509");
trustManagerFactory.init(getTrustStore());
TrustManager[] trustManagers= trustManagerFactory.getTrustManagers();
sslContext = SSLContext.getInstance("TLS");
sslContext.init(keyManagers, trustManagers, new SecureRandom());
HttpsURLConnection.setDefaultHostnameVerifier(new HostnameVerifier() {
@Override
public boolean verify(String hostname, SSLSession session) {
return true;
}
});
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (UnrecoverableKeyException e) {
e.printStackTrace();
} catch (KeyStoreException e) {
e.printStackTrace();
} catch (KeyManagementException e) {
e.printStackTrace();
}
}
long time2=System.currentTimeMillis();
System.out.println("SSLContext 初始化时间："+(time2-time1));
return sslContext;
}
public static KeyStore getkeyStore(){
KeyStore keySotre=null;
try {
keySotre = KeyStore.getInstance("PKCS12");
FileInputStream fis = new FileInputStream(new File(KEY_STORE_FILE));
keySotre.load(fis, KEY_STORE_PASS.toCharArray());
fis.close();
} catch (KeyStoreException e) {
e.printStackTrace();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (CertificateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return keySotre;
}
public static KeyStore getTrustStore() throws IOException{
KeyStore trustKeyStore=null;
FileInputStream fis=null;
try {
trustKeyStore=KeyStore.getInstance("JKS");
fis = new FileInputStream(new File(TRUST_STORE_FILE));
trustKeyStore.load(fis, TRUST_STORE_PASS.toCharArray());
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (KeyStoreException e) {
e.printStackTrace();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (CertificateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}finally{
fis.close();
}
return trustKeyStore;
}
public static void main(String[] args) throws UnsupportedEncodingException {
Long time1=System.currentTimeMillis();
int k=0;
for(int i=0;i<100;++i){
String result=sendGet("https://test.com", "username=x1");
System.out.println(result);
++k;
}
Long time2=System.currentTimeMillis();
System.out.println("平均耗费时间:"+(time2-time1)/k);
}
}