/*
 * Copyright 2017 Graz University of Technology EAAF-Core Components has been developed in a
 * cooperation between EGIZ, A-SIT Plus, A-SIT, and Graz University of Technology.
 *
 * Licensed under the EUPL, Version 1.2 or - as soon they will be approved by the European
 * Commission - subsequent versions of the EUPL (the "Licence"); You may not use this work except in
 * compliance with the Licence. You may obtain a copy of the Licence at:
 * https://joinup.ec.europa.eu/news/understanding-eupl-v12
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the Licence
 * is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the Licence for the specific language governing permissions and limitations under
 * the Licence.
 *
 * This product combines work with different licenses. See the "NOTICE" text file for details on the
 * various modules and licenses. The "NOTICE" text file is part of the distribution. Any derivative
 * works that you distribute must include a readable copy of the "NOTICE" text file.
*/

package at.gv.egiz.eaaf.modules.pvp2.impl.verification;

import javax.xml.namespace.QName;
import at.gv.egiz.eaaf.modules.pvp2.api.metadata.IRefreshableMetadataProvider;
import org.opensaml.common.SignableSAMLObject;
import org.opensaml.saml2.metadata.provider.MetadataProvider;
import org.opensaml.xml.XMLObject;
import org.opensaml.xml.signature.SignatureTrustEngine;

public class PvpSignedRequestPolicyRule extends AbstractRequestSignedSecurityPolicyRule {

  private IRefreshableMetadataProvider metadataProvider = null;

  /**
   * EAAF specific signature rule for OpenSAML2 redirect-binding.
   *
   * @param metadataProvider SAML2 metadata provider
   * @param trustEngine SAML2 TrustEngine
   * @param peerEntityRole Role of the Entity
   */
  public PvpSignedRequestPolicyRule(final MetadataProvider metadataProvider,
      final SignatureTrustEngine trustEngine, final QName peerEntityRole) {
    super(trustEngine, peerEntityRole);
    if (metadataProvider instanceof IRefreshableMetadataProvider) {
      this.metadataProvider = (IRefreshableMetadataProvider) metadataProvider;
    }

  }

  /*
   * (non-Javadoc)
   *
   * @see
   * at.gv.egovernment.moa.id.protocols.pvp2x.validation.AbstractRequestSignedSecurityPolicyRule#
   * refreshMetadataProvider(java.lang.String)
   */
  @Override
  protected boolean refreshMetadataProvider(final String entityID) {
    if (metadataProvider != null) {
      return metadataProvider.refreshMetadataProvider(entityID);
    }

    return false;

  }

  /*
   * (non-Javadoc)
   *
   * @see
   * at.gv.egovernment.moa.id.protocols.pvp2x.validation.AbstractRequestSignedSecurityPolicyRule#
   * getSignedSAMLObject(org.opensaml.xml.XMLObject)
   */
  @Override
  protected SignableSAMLObject getSignedSamlObject(final XMLObject inboundData) {
    if (inboundData instanceof SignableSAMLObject) {
      return (SignableSAMLObject) inboundData;
    } else {
      return null;
    }
  }

}