package ch.iterate.openstack.swift.handler;
import org.apache.http.Header;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.ResponseHandler;
import java.io.IOException;
import java.net.URI;
import java.util.Collections;
import ch.iterate.openstack.swift.AuthenticationResponse;
import ch.iterate.openstack.swift.Constants;
import ch.iterate.openstack.swift.Response;
import ch.iterate.openstack.swift.exception.AuthorizationException;
import ch.iterate.openstack.swift.exception.GenericException;
import ch.iterate.openstack.swift.model.Region;
public class Authentication10ResponseHandler implements ResponseHandler<AuthenticationResponse> {
public AuthenticationResponse handleResponse(final HttpResponse response) throws ClientProtocolException, IOException {
if(response.getStatusLine().getStatusCode() == 200 || response.getStatusLine().getStatusCode() == 203
|| response.getStatusLine().getStatusCode() == 204) {
return new AuthenticationResponse(response, response.getFirstHeader(Constants.X_AUTH_TOKEN).getValue(),
Collections.singleton(new Region(null,
this.getStorageURL(response), this.getCDNManagementURL(response), true)));
}
else if(response.getStatusLine().getStatusCode() == 401 || response.getStatusLine().getStatusCode() == 403) {
throw new AuthorizationException(new Response(response));
}
else {
throw new GenericException(new Response(response));
}
}
/**
* This method makes no assumptions about the user having been logged in. It simply looks for the Storage URL header
* as defined by FilesConstants.X_STORAGE_URL and if this exists it returns its value otherwise the value returned will be null.
*
* @return null if the user is not logged into Cloud FS or the Storage URL
*/
private URI getStorageURL(final HttpResponse response) {
Header hdr = response.getFirstHeader(Constants.X_STORAGE_URL);
if(null == hdr) {
return null;
}
return URI.create(hdr.getValue());
}
/**
* This method makes no assumptions about the user having been logged in. It simply looks for the CDN Management URL header
* as defined by FilesConstants.X_CDN_MANAGEMENT_URL and if this exists it returns its value otherwise the value returned will be null.
*
* @return null if the user is not logged into Cloud FS or the Storage URL
*/
private URI getCDNManagementURL(final HttpResponse response) {
Header hdr = response.getFirstHeader(Constants.X_CDN_MANAGEMENT_URL);
if(null == hdr) {
return null;
}
return URI.create(hdr.getValue());
}
}