Android Open Source - owncloud-gallery Verify Hostname Callable

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License

The source code is released under:

GNU General Public License

Java Source Code

package library;
/* w ww.j  a v  a  2  s. c om*/
import java.io.IOException;
import java.net.ConnectException;
import java.net.HttpURLConnection;
import java.net.ProtocolException;
import java.net.SocketTimeoutException;
import java.net.URL;
import java.net.UnknownHostException;
import java.security.KeyManagementException;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.util.concurrent.Callable;

import javax.net.ssl.HttpsURLConnection;

public class VerifyHostnameCallable implements Callable<VerifyHostnameResult> {
  private String hostname;
  private int timeout;
  private boolean acceptAllCertificate;

  public VerifyHostnameCallable(String Hostname, int Timeout,
      boolean acceptAllCertificates) {
    this.hostname = Hostname;
    this.timeout = Timeout;
    this.acceptAllCertificate = acceptAllCertificate;
  }

  public VerifyHostnameResult call() throws Exception {
    VerifyHostnameResult toReturn = new VerifyHostnameResult();
    if (hostname == null) {
      toReturn.setTitle(Properties
          .getString("verifyhostnameresult.null.title"));
      toReturn.setMessage(Properties
          .getString("verifyhostnameresult.null.message"));
      toReturn.setType(VerifyHostnameResult.ResultType.Null);
      return toReturn;
    }
    try {
      if (hostname.startsWith("http://")) {
        verifyConnection(
            (HttpURLConnection) new URL(hostname).openConnection(),
            toReturn, acceptAllCertificate);
      } else if (hostname.startsWith("https://")) {
        verifyConnection(
            (HttpsURLConnection) new URL(hostname).openConnection(),
            toReturn, acceptAllCertificate);
      } else {
        try {
          verifyConnection((HttpURLConnection) new URL("http://"
              + hostname).openConnection(), toReturn,
              acceptAllCertificate);
        } catch (Exception ex) {
          verifyConnection((HttpsURLConnection) new URL("https://"
              + hostname).openConnection(), toReturn,
              acceptAllCertificate);
        }
      }
      System.out.println(String.format("%s: %s", hostname,
          toReturn.getResponseCode()));
      if (toReturn.getResponseCode() >= 500) {
        toReturn.setType(VerifyHostnameResult.ResultType.ServerError);
      } else if (toReturn.getResponseCode() >= 400) {
        toReturn.setType(VerifyHostnameResult.ResultType.NotFound);
      } else if (toReturn.getResponseCode() >= 300) {
        toReturn.setType(VerifyHostnameResult.ResultType.Redirect);
      } else {
        toReturn.setType(VerifyHostnameResult.ResultType.OK);
      }
    } catch (ProtocolException ex) {
      System.out.println(String.format("%s: %s", ex.getClass()
          .getSimpleName(), ex.getMessage()));
      toReturn.setType(VerifyHostnameResult.ResultType.MalformedUri);
      return toReturn;
    } catch (UnknownHostException ex) {
      System.out.println(String.format("%s: %s", ex.getClass()
          .getSimpleName(), ex.getMessage()));
      return toReturn;
    } catch (SocketTimeoutException ex) {
      System.out.println(String.format("%s: %s", ex.getClass()
          .getSimpleName(), ex.getMessage()));
      return toReturn;
    } catch (ConnectException ex) {
      toReturn.setType(VerifyHostnameResult.ResultType.InvalidCertificate);
      System.out.println(String.format("%s: %s", ex.getClass()
          .getSimpleName(), ex.getMessage()));
      return toReturn;
    } catch (IOException ex) {
      toReturn.setType(VerifyHostnameResult.ResultType.Null);
      System.out.println(String.format("%s: %s", ex.getClass()
          .getSimpleName(), ex.getMessage()));
      return toReturn;
    } catch (RuntimeException ex) {
      toReturn.setType(VerifyHostnameResult.ResultType.Null);
      System.out.println(String.format("%s: %s", ex.getClass()
          .getSimpleName(), ex.getMessage()));
      return toReturn;
    } catch (Exception ex) {
      System.out.println(String.format("%s: %s", ex.getClass()
          .getSimpleName(), ex.getMessage()));
      return toReturn;
    }

    toReturn.setMessage(Properties.getString("verifyhostnameresult."
        + toReturn.getType().toString().toLowerCase() + ".message"));
    return toReturn;
  }

  private void verifyConnection(HttpURLConnection connection,
      VerifyHostnameResult ToReturn, boolean acceptAllCertificate)
      throws IOException, KeyManagementException,
      NoSuchAlgorithmException, KeyStoreException {
    if (acceptAllCertificate) {
      TrustModifier.relaxHostChecking(connection);
    }
    connection.setConnectTimeout(timeout);
    connection.setReadTimeout(timeout);
    connection.setRequestMethod("HEAD");
    ToReturn.setResponseCode(connection.getResponseCode());
  }
}

Java Source Code List

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