package com.ruoyi.utils;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import javax.net.ssl.HostnameVerifier;
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import javax.net.ssl.HttpsURLConnection;
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import javax.net.ssl.SSLSession;
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/**
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* <p>绕过安全证书</p>
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*
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* @author fengjianhao@curtao.com
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* @date 2021/2/19 9:15
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*/
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public class HttpsUrlValidator {
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static HostnameVerifier hv = new HostnameVerifier() {
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@Override
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public boolean verify(String urlHostName, SSLSession session) {
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System.out.println("Warning: URL Host: " + urlHostName + " vs. "
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+ session.getPeerHost());
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return true;
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}
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};
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public final static String retrieveResponseFromServer(final String url) {
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HttpURLConnection connection = null;
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try {
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URL validationUrl = new URL(url);
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trustAllHttpsCertificates();
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HttpsURLConnection.setDefaultHostnameVerifier(hv);
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connection = (HttpURLConnection) validationUrl.openConnection();
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final BufferedReader in = new BufferedReader(new InputStreamReader(
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connection.getInputStream()));
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String line;
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final StringBuffer stringBuffer = new StringBuffer(255);
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synchronized (stringBuffer) {
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while ((line = in.readLine()) != null) {
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stringBuffer.append(line);
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stringBuffer.append("\n");
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}
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return stringBuffer.toString();
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}
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} catch (final IOException e) {
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System.out.println(e.getMessage());
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return null;
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} catch (final Exception e1){
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System.out.println(e1.getMessage());
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return null;
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}finally {
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if (connection != null) {
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connection.disconnect();
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}
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}
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}
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public static void trustAllHttpsCertificates() throws Exception {
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javax.net.ssl.TrustManager[] trustAllCerts = new javax.net.ssl.TrustManager[1];
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javax.net.ssl.TrustManager tm = new miTM();
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trustAllCerts[0] = tm;
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javax.net.ssl.SSLContext sc = javax.net.ssl.SSLContext
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.getInstance("SSL");
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sc.init(null, trustAllCerts, null);
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javax.net.ssl.HttpsURLConnection.setDefaultSSLSocketFactory(sc
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.getSocketFactory());
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}
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static class miTM implements javax.net.ssl.TrustManager,
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javax.net.ssl.X509TrustManager {
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@Override
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public java.security.cert.X509Certificate[] getAcceptedIssuers() {
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return null;
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}
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public boolean isServerTrusted(
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java.security.cert.X509Certificate[] certs) {
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return true;
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}
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public boolean isClientTrusted(
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java.security.cert.X509Certificate[] certs) {
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return true;
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}
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@Override
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public void checkServerTrusted(
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java.security.cert.X509Certificate[] certs, String authType)
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throws java.security.cert.CertificateException {
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return;
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}
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@Override
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public void checkClientTrusted(
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java.security.cert.X509Certificate[] certs, String authType)
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throws java.security.cert.CertificateException {
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return;
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}
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}
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}
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