com.undefinedlabs.scope.deps.okhttp3.Handshake Maven / Gradle / Ivy

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Scope is a APM for tests to give engineering teams unprecedented visibility into their CI process to quickly identify, troubleshoot and fix failed builds. This artifact contains dependencies for Scope.
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package com.undefinedlabs.scope.deps.okhttp3;

import com.undefinedlabs.scope.deps.okhttp3.internal.Util;

import javax.net.ssl.SSLPeerUnverifiedException;
import javax.net.ssl.SSLSession;
import java.security.Principal;
import java.security.cert.Certificate;
import java.security.cert.X509Certificate;
import java.util.Collections;
import java.util.List;

public final class Handshake {
    private final TlsVersion tlsVersion;
    private final CipherSuite cipherSuite;
    private final List peerCertificates;
    private final List localCertificates;

    private Handshake(TlsVersion tlsVersion, CipherSuite cipherSuite,
                      List peerCertificates, List localCertificates) {
        this.tlsVersion = tlsVersion;
        this.cipherSuite = cipherSuite;
        this.peerCertificates = peerCertificates;
        this.localCertificates = localCertificates;
    }

    public static Handshake get(SSLSession session) {
        String cipherSuiteString = session.getCipherSuite();
        if (cipherSuiteString == null) throw new IllegalStateException("cipherSuite == null");
        CipherSuite cipherSuite = CipherSuite.forJavaName(cipherSuiteString);

        String tlsVersionString = session.getProtocol();
        if (tlsVersionString == null) throw new IllegalStateException("tlsVersion == null");
        TlsVersion tlsVersion = TlsVersion.forJavaName(tlsVersionString);

        Certificate[] peerCertificates;
        try {
            peerCertificates = session.getPeerCertificates();
        } catch (SSLPeerUnverifiedException ignored) {
            peerCertificates = null;
        }
        List peerCertificatesList = peerCertificates != null
                ? Util.immutableList(peerCertificates)
                : Collections.emptyList();

        Certificate[] localCertificates = session.getLocalCertificates();
        List localCertificatesList = localCertificates != null
                ? Util.immutableList(localCertificates)
                : Collections.emptyList();

        return new Handshake(tlsVersion, cipherSuite, peerCertificatesList, localCertificatesList);
    }

    public static Handshake get(TlsVersion tlsVersion, CipherSuite cipherSuite,
                                List peerCertificates, List localCertificates) {
        if (tlsVersion == null) throw new NullPointerException("tlsVersion == null");
        if (cipherSuite == null) throw new NullPointerException("cipherSuite == null");
        return new Handshake(tlsVersion, cipherSuite, Util.immutableList(peerCertificates),
                Util.immutableList(localCertificates));
    }

    /**
     * Returns the TLS version used for this connection. This value wasn't tracked prior to OkHttp
     * 3.0. For responses cached by preceding versions this returns {@link TlsVersion#SSL_3_0}.
     */
    public TlsVersion tlsVersion() {
        return tlsVersion;
    }

    /** Returns the cipher suite used for the connection. */
    public CipherSuite cipherSuite() {
        return cipherSuite;
    }

    /** Returns a possibly-empty list of certificates that identify the remote peer. */
    public List peerCertificates() {
        return peerCertificates;
    }

    /** Returns the remote peer's principle, or null if that peer is anonymous. */
    public Principal peerPrincipal() {
        return !peerCertificates.isEmpty()
                ? ((X509Certificate) peerCertificates.get(0)).getSubjectX500Principal()
                : null;
    }

    /** Returns a possibly-empty list of certificates that identify this peer. */
    public List localCertificates() {
        return localCertificates;
    }

    /** Returns the local principle, or null if this peer is anonymous. */
    public  Principal localPrincipal() {
        return !localCertificates.isEmpty()
                ? ((X509Certificate) localCertificates.get(0)).getSubjectX500Principal()
                : null;
    }

    @Override public boolean equals( Object other) {
        if (!(other instanceof Handshake)) return false;
        Handshake that = (Handshake) other;
        return tlsVersion.equals(that.tlsVersion)
                && cipherSuite.equals(that.cipherSuite)
                && peerCertificates.equals(that.peerCertificates)
                && localCertificates.equals(that.localCertificates);
    }

    @Override public int hashCode() {
        int result = 17;
        result = 31 * result + tlsVersion.hashCode();
        result = 31 * result + cipherSuite.hashCode();
        result = 31 * result + peerCertificates.hashCode();
        result = 31 * result + localCertificates.hashCode();
        return result;
    }
}