ログインページを作成しようとしています。そのために、SSL ソケットを開いて HTTPS リクエストを行いたいのですが、m getting Unknown Host Exception in line--
SSLSocket skt = (SSLSocket)sslsf.createSocket("https://31.21.18.222/room_info/x.txt" , 443); Could someone please tell me what I
間違っていますか? また、プログラムでホスト検証が必要ないため、ホスト検証をオフにしました。
`public void clickLogin() throws IOException, CertificateException, KeyStoreException, NoSuchAlgorithmException, KeyManagementException {
URL url = new URL ("https://31.21.18.222/room_info/x.txt");
HttpsURLConnection connection = null;
KeyStore keyStore = KeyStore.getInstance(KeyStore.getDefaultType());
keyStore.load(null); //Make an empty store
InputStream fis = new FileInputStream("C:/Documents and Settings/user/Desktop/PK/localhost.crt");
BufferedInputStream bis = new BufferedInputStream(fis);
CertificateFactory cf = CertificateFactory.getInstance("X.509");
while (bis.available() > 0) {
java.security.cert.Certificate cert = cf.generateCertificate(bis);
keyStore.setCertificateEntry("localhost", cert);
}
// write code for turning off client verification
TrustManagerFactory tmf = TrustManagerFactory.getInstance("X509");
tmf.init(keyStore);
SSLContext context = SSLContext.getInstance("SSL");
context.init(null, tmf.getTrustManagers() , null);
Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());
SSLSocketFactory sslsf = context.getSocketFactory();
SSLSocket skt = (SSLSocket)sslsf.createSocket("https://31.21.18.222/room_info/x.txt" , 443);
skt.setUseClientMode(true);
SSLSession s = skt.getSession(); // handshake implicitly done
skt.setKeepAlive(true);
connection = (HttpsURLConnection) url.openConnection();
// Host name verification off
connection.setHostnameVerifier(new HostnameVerifier()
{
public boolean verify(String hostname, SSLSession session)
{
return true;
}
}); `