Clash Legends v0.0.1 - TLSSocketFactory.java 源代码

package co.paystack.android.api.utils;

import java.io.IOException;
import java.net.InetAddress;
import java.net.Socket;
import java.security.KeyManagementException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
import javax.net.ssl.TrustManagerFactory;
import javax.net.ssl.X509TrustManager;

public class TLSSocketFactory extends SSLSocketFactory {
    private SSLSocketFactory delegate;
    private X509TrustManager x509TrustManager;

    public X509TrustManager getX509TrustManager() {
        return this.x509TrustManager;
    }

    public TLSSocketFactory() throws KeyManagementException, NoSuchAlgorithmException, KeyStoreException {
        SSLContext context = SSLContext.getInstance("TLS");
        TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
        trustManagerFactory.init((KeyStore) null);
        TrustManager[] tm = trustManagerFactory.getTrustManagers();
        context.init(null, tm, null);
        for (int i = 0; i < tm.length; i++) {
            if (tm[i] instanceof X509TrustManager) {
                this.x509TrustManager = (X509TrustManager) tm[i];
            }
        }
        this.delegate = context.getSocketFactory();
    }

    @Override
    public String[] getDefaultCipherSuites() {
        return this.delegate.getDefaultCipherSuites();
    }

    @Override
    public String[] getSupportedCipherSuites() {
        return this.delegate.getSupportedCipherSuites();
    }

    @Override
    public Socket createSocket(Socket s, String host, int port, boolean autoClose) throws IOException {
        return enableTLSOnSocket(this.delegate.createSocket(s, host, port, autoClose));
    }

    @Override
    public Socket createSocket(String host, int port) throws IOException {
        return enableTLSOnSocket(this.delegate.createSocket(host, port));
    }

    @Override
    public Socket createSocket(String host, int port, InetAddress localHost, int localPort) throws IOException {
        return enableTLSOnSocket(this.delegate.createSocket(host, port, localHost, localPort));
    }

    @Override
    public Socket createSocket(InetAddress host, int port) throws IOException {
        return enableTLSOnSocket(this.delegate.createSocket(host, port));
    }

    @Override
    public Socket createSocket(InetAddress address, int port, InetAddress localAddress, int localPort) throws IOException {
        return enableTLSOnSocket(this.delegate.createSocket(address, port, localAddress, localPort));
    }

    private Socket enableTLSOnSocket(Socket socket) {
        if (socket != null && (socket instanceof SSLSocket)) {
            ((SSLSocket) socket).setEnabledProtocols(new String[]{"TLSv1.2"});
        }
        return socket;
    }
}