/*
 * Copyright 2014 Federal Chancellery Austria
 * MOA-ID has been developed in a cooperation between BRZ, the Federal
 * Chancellery Austria - ICT staff unit, and Graz University of Technology.
 *
 * Licensed under the EUPL, Version 1.1 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:
 * http://www.osor.eu/eupl/
 *
 * 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.egovernment.moa.id.protocols.pvp2x.signer;

import java.util.Properties;

import org.springframework.beans.factory.annotation.Autowired;

import at.gv.egiz.eaaf.core.exceptions.EAAFException;
import at.gv.egiz.eaaf.core.impl.utils.FileUtils;
import at.gv.egiz.eaaf.modules.pvp2.impl.utils.AbstractCredentialProvider;
import at.gv.egovernment.moa.id.commons.api.AuthConfiguration;
import at.gv.egovernment.moa.util.MiscUtil;

//@Service("PVPIDPCredentialProvider")
public class IDPCredentialProvider extends AbstractCredentialProvider {	
	public static final String IDP_JAVAKEYSTORE = "idp.ks.file";
	public static final String IDP_KS_PASS = "idp.ks.kspassword";
	
	public static final String IDP_KEYALIASMETADATA = "idp.ks.metadata.alias";	
	public static final String IDP_KEY_PASSMETADATA = "idp.ks.metadata.keypassword";

	public static final String IDP_KEYALIASASSERTION = "idp.ks.assertion.sign.alias";	
	public static final String IDP_KEY_PASSASSERTION = "idp.ks.assertion.sign.keypassword";

	public static final String IDP_KEYALIASENCRYTPION = "sp.ks.assertion.encryption.alias";	
	public static final String IDP_KEY_PASSENCRYTPION = "sp.ks.assertion.encryption.keypassword";
	
	
	private @Autowired AuthConfiguration authConfig;	
	private Properties props = null;
	
	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.protocols.pvp2x.signer.AbstractCredentialProvider#getKeyStoreFilePath()
	 */
	@Override
	public String getKeyStoreFilePath() throws EAAFException {
		if (props == null)
			props = authConfig.getGeneralPVP2ProperiesConfig();
		

		return FileUtils.makeAbsoluteURL(
						props.getProperty(IDP_JAVAKEYSTORE), 
						authConfig.getRootConfigFileDir());		
	}

	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.protocols.pvp2x.signer.AbstractCredentialProvider#getKeyStorePassword()
	 */
	@Override
	public String getKeyStorePassword() {
		if (props == null)
			props = authConfig.getGeneralPVP2ProperiesConfig();
		
		String value = props.getProperty(IDP_KS_PASS);
		if (MiscUtil.isNotEmpty(value))
			return value.trim();
		else
			return null;
	}

	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.protocols.pvp2x.signer.AbstractCredentialProvider#getMetadataKeyAlias()
	 */
	@Override
	public String getMetadataKeyAlias() {
		if (props == null)
			props = authConfig.getGeneralPVP2ProperiesConfig();
		
		String value = props.getProperty(IDP_KEYALIASMETADATA);
		if (MiscUtil.isNotEmpty(value))
			return value.trim();
		else
			return null;
	}

	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.protocols.pvp2x.signer.AbstractCredentialProvider#getMetadataKeyPassword()
	 */
	@Override
	public String getMetadataKeyPassword() {
		if (props == null)
			props = authConfig.getGeneralPVP2ProperiesConfig();
		
		String value = props.getProperty(IDP_KEY_PASSMETADATA);
		if (MiscUtil.isNotEmpty(value))
			return value.trim();
		else
			return null;
	}

	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.protocols.pvp2x.signer.AbstractCredentialProvider#getSignatureKeyAlias()
	 */
	@Override
	public String getSignatureKeyAlias() {
		if (props == null)
			props = authConfig.getGeneralPVP2ProperiesConfig();
		
		String value = props.getProperty(IDP_KEYALIASASSERTION);
		if (MiscUtil.isNotEmpty(value))
			return value.trim();
		else
			return null;
	}

	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.protocols.pvp2x.signer.AbstractCredentialProvider#getSignatureKeyPassword()
	 */
	@Override
	public String getSignatureKeyPassword() {
		if (props == null)
			props = authConfig.getGeneralPVP2ProperiesConfig();
		
		String value = props.getProperty(IDP_KEY_PASSASSERTION);
		if (MiscUtil.isNotEmpty(value))
			return value.trim();
		else
			return null;
	}

	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.protocols.pvp2x.signer.AbstractCredentialProvider#getEncryptionKeyAlias()
	 */
	@Override
	public String getEncryptionKeyAlias() {
		if (props == null)
			props = authConfig.getGeneralPVP2ProperiesConfig();
		
		String value = props.getProperty(IDP_KEYALIASENCRYTPION);
		if (MiscUtil.isNotEmpty(value))
			return value.trim();
		else
			return null;
	}

	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.protocols.pvp2x.signer.AbstractCredentialProvider#getEncryptionKeyPassword()
	 */
	@Override
	public String getEncryptionKeyPassword() {
		if (props == null)
			props = authConfig.getGeneralPVP2ProperiesConfig();
		
		String value = props.getProperty(IDP_KEY_PASSENCRYTPION);
		if (MiscUtil.isNotEmpty(value))
			return value.trim();
		else
			return null;
	}

	/* (non-Javadoc)
	 * @see at.gv.egovernment.moa.id.protocols.pvp2x.signer.AbstractCredentialProvider#getCredentialName()
	 */
	@Override
	public String getFriendlyName() {
		return "IDP";
	}

}