Examples with HttpURLConnectionFactory com.sun.jersey.client.urlconnection.HttpURLConnectionFactory used on opensource projects

Example 1 with HttpURLConnectionFactory

use of com.sun.jersey.client.urlconnection.HttpURLConnectionFactory in project incubator-atlas by apache.

the class SecureClientUtils method getClientConnectionHandler.

public static URLConnectionClientHandler getClientConnectionHandler(DefaultClientConfig config, org.apache.commons.configuration.Configuration clientConfig, String doAsUser, final UserGroupInformation ugi) {
    config.getProperties().put(URLConnectionClientHandler.PROPERTY_HTTP_URL_CONNECTION_SET_METHOD_WORKAROUND, true);
    Configuration conf = new Configuration();
    conf.addResource(conf.get(SSLFactory.SSL_CLIENT_CONF_KEY, SecurityProperties.SSL_CLIENT_PROPERTIES));
    UserGroupInformation.setConfiguration(conf);
    final ConnectionConfigurator connConfigurator = newConnConfigurator(conf);
    Authenticator authenticator = new KerberosDelegationTokenAuthenticator();
    authenticator.setConnectionConfigurator(connConfigurator);
    final DelegationTokenAuthenticator finalAuthenticator = (DelegationTokenAuthenticator) authenticator;
    final DelegationTokenAuthenticatedURL.Token token = new DelegationTokenAuthenticatedURL.Token();
    HttpURLConnectionFactory httpURLConnectionFactory = null;
    try {
        UserGroupInformation ugiToUse = ugi != null ? ugi : UserGroupInformation.getCurrentUser();
        final UserGroupInformation actualUgi = (ugiToUse.getAuthenticationMethod() == UserGroupInformation.AuthenticationMethod.PROXY) ? ugiToUse.getRealUser() : ugiToUse;
        LOG.info("Real User: {}, is from ticket cache? {}", actualUgi, actualUgi.isLoginTicketBased());
        if (StringUtils.isEmpty(doAsUser)) {
            doAsUser = actualUgi.getShortUserName();
        }
        LOG.info("doAsUser: {}", doAsUser);
        final String finalDoAsUser = doAsUser;
        httpURLConnectionFactory = new HttpURLConnectionFactory() {

            @Override
            public HttpURLConnection getHttpURLConnection(final URL url) throws IOException {
                try {
                    return actualUgi.doAs(new PrivilegedExceptionAction<HttpURLConnection>() {

                        @Override
                        public HttpURLConnection run() throws Exception {
                            try {
                                return new DelegationTokenAuthenticatedURL(finalAuthenticator, connConfigurator).openConnection(url, token, finalDoAsUser);
                            } catch (Exception e) {
                                throw new IOException(e);
                            }
                        }
                    });
                } catch (Exception e) {
                    if (e instanceof IOException) {
                        throw (IOException) e;
                    } else {
                        throw new IOException(e);
                    }
                }
            }
        };
    } catch (IOException e) {
        LOG.warn("Error obtaining user", e);
    }
    return new URLConnectionClientHandler(httpURLConnectionFactory);
}