/*
* JBoss, a division of Red Hat
* Copyright 2013, Red Hat Middleware, LLC, and individual
* contributors as indicated by the @authors tag. See the
* copyright.txt in the distribution for a full listing of
* individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.gatein.security.oauth.google;
import java.io.IOException;
import com.google.api.client.googleapis.auth.oauth2.GoogleTokenResponse;
import com.google.api.client.http.HttpResponseException;
import org.gatein.common.logging.Logger;
import org.gatein.common.logging.LoggerFactory;
import org.gatein.security.oauth.exception.OAuthException;
/**
* Wrap Google operation within block of code to handle errors (and possibly restore access token and invoke operation again)
*
* @author <a href="mailto:mposolda@redhat.com">Marek Posolda</a>
*/
abstract class GoogleRequest<T> {
private static Logger log = LoggerFactory.getLogger(GoogleRequest.class);
protected abstract T invokeRequest(GoogleAccessTokenContext accessTokenContext) throws IOException;
protected abstract OAuthException createException(IOException cause);
public T executeRequest(GoogleAccessTokenContext accessTokenContext, GoogleProcessor googleProcessor) {
GoogleTokenResponse tokenData = accessTokenContext.getTokenData();
try {
return invokeRequest(accessTokenContext);
} catch (IOException ioe) {
if (ioe instanceof HttpResponseException) {
HttpResponseException googleException = (HttpResponseException)ioe;
if (googleException.getStatusCode() == 400 && tokenData.getRefreshToken() != null) {
try {
// Refresh token and retry revocation with refreshed token
googleProcessor.refreshToken(accessTokenContext);
return invokeRequest(accessTokenContext);
} catch (OAuthException refreshException) {
// Log this one with trace level. We will rethrow original exception
if (log.isTraceEnabled()) {
log.trace("Refreshing token failed", refreshException);
}
} catch (IOException ioe2) {
ioe = ioe2;
}
}
}
log.warn("Error when calling Google operation. Details: " + ioe.getMessage());
throw createException(ioe);
}
}
}