Example usage for javax.net.ssl HttpsURLConnection getLocalCertificates

Introduction

In this page you can find the example usage for javax.net.ssl HttpsURLConnection getLocalCertificates.

Prototype

public abstract java.security.cert.Certificate[] getLocalCertificates();

Source Link

Document

Returns the certificate(s) that were sent to the server during handshaking.

Usage

From source file:org.apache.hadoop.hdfsproxy.ProxyUtil.java

static boolean sendCommand(Configuration conf, String path) throws IOException {
    setupSslProps(conf);/*from  www.  j  a v a2  s.  c  o m*/
    int sslPort = getSslAddr(conf).getPort();
    int err = 0;
    StringBuilder b = new StringBuilder();

    HostsFileReader hostsReader = new HostsFileReader(conf.get("hdfsproxy.hosts", "hdfsproxy-hosts"), "");
    Set<String> hostsList = hostsReader.getHosts();
    for (String hostname : hostsList) {
        HttpsURLConnection connection = null;
        try {
            connection = openConnection(hostname, sslPort, path);
            connection.connect();
            if (LOG.isDebugEnabled()) {
                StringBuffer sb = new StringBuffer();
                X509Certificate[] clientCerts = (X509Certificate[]) connection.getLocalCertificates();
                if (clientCerts != null) {
                    for (X509Certificate cert : clientCerts)
                        sb.append("\n Client certificate Subject Name is "
                                + cert.getSubjectX500Principal().getName());
                } else {
                    sb.append("\n No client certificates were found");
                }
                X509Certificate[] serverCerts = (X509Certificate[]) connection.getServerCertificates();
                if (serverCerts != null) {
                    for (X509Certificate cert : serverCerts)
                        sb.append("\n Server certificate Subject Name is "
                                + cert.getSubjectX500Principal().getName());
                } else {
                    sb.append("\n No server certificates were found");
                }
                LOG.debug(sb.toString());
            }
            if (connection.getResponseCode() != HttpServletResponse.SC_OK) {
                b.append("\n\t" + hostname + ": " + connection.getResponseCode() + " "
                        + connection.getResponseMessage());
                err++;
            }
        } catch (IOException e) {
            b.append("\n\t" + hostname + ": " + e.getLocalizedMessage());
            if (LOG.isDebugEnabled())
                LOG.debug("Exception happend for host " + hostname, e);
            err++;
        } finally {
            if (connection != null)
                connection.disconnect();
        }
    }
    if (err > 0) {
        System.err.print("Command failed on the following " + err + " host" + (err == 1 ? ":" : "s:")
                + b.toString() + "\n");
        return false;
    }
    return true;
}

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