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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2011 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package com.netscape.cms.servlet.key.model;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.List;
import javax.ws.rs.Path;
import javax.ws.rs.core.UriBuilder;
import javax.ws.rs.core.UriInfo;
import com.netscape.certsrv.apps.CMS;
import com.netscape.certsrv.base.EBaseException;
import com.netscape.certsrv.dbs.keydb.IKeyRecord;
import com.netscape.certsrv.dbs.keydb.IKeyRepository;
import com.netscape.certsrv.dbs.keydb.KeyId;
import com.netscape.certsrv.kra.IKeyRecoveryAuthority;
import com.netscape.certsrv.request.IRequest;
import com.netscape.certsrv.request.IRequestQueue;
import com.netscape.certsrv.request.RequestId;
import com.netscape.certsrv.request.RequestStatus;
import com.netscape.cms.servlet.key.KeyResource;
import com.netscape.cms.servlet.request.model.RecoveryRequestData;
/**
* @author alee
*
*/
public class KeyDAO {
private IKeyRepository repo;
private IKeyRecoveryAuthority kra;
private IRequestQueue queue;
public KeyDAO() {
kra = ( IKeyRecoveryAuthority ) CMS.getSubsystem( "kra" );
repo = kra.getKeyRepository();
queue = kra.getRequestQueue();
}
/**
* Returns list of keys meeting specified search filter.
* Currently, vlv searches are not used for keys.
*
* @param filter
* @param maxResults
* @param maxTime
* @param uriInfo
* @return
* @throws EBaseException
*/
public KeyDataInfos listKeys(String filter, int maxResults, int maxTime, UriInfo uriInfo)
throws EBaseException {
List <KeyDataInfo> list = new ArrayList<KeyDataInfo>();
Enumeration<IKeyRecord> e = null;
e = repo.searchKeys(filter, maxResults, maxTime);
if (e == null) {
throw new EBaseException("search results are null");
}
while (e.hasMoreElements()) {
IKeyRecord rec = e.nextElement();
if (rec != null) {
list.add(createKeyDataInfo(rec, uriInfo));
}
}
KeyDataInfos ret = new KeyDataInfos();
ret.setKeyInfos(list);
return ret;
}
public KeyData getKey(KeyId keyId, RecoveryRequestData data) throws EBaseException {
KeyData keyData;
RequestId rId = data.getRequestId();
String transWrappedSessionKey;
String sessionWrappedPassphrase;
IRequest request = queue.findRequest(rId);
if (request == null) {
return null;
}
// get wrapped key
IKeyRecord rec = repo.readKeyRecord(keyId.toBigInteger());
if (rec == null) {
return null;
}
Hashtable<String, Object> requestParams = kra.getVolatileRequest(
request.getRequestId());
if(requestParams == null) {
throw new EBaseException("Can't obtain Volatile requestParams in KeyDAO.getKey!");
}
String sessWrappedKeyData = (String) requestParams.get(IRequest.SECURITY_DATA_SESS_WRAPPED_DATA);
String passWrappedKeyData = (String) requestParams.get(IRequest.SECURITY_DATA_PASS_WRAPPED_DATA);
String nonceData = (String) requestParams.get(IRequest.SECURITY_DATA_IV_STRING_OUT);
if (sessWrappedKeyData != null || passWrappedKeyData != null) {
//The recovery process has already placed a valid recovery
//package, either session key wrapped or pass wrapped, into the request.
//Request already has been processed.
keyData = new KeyData();
} else {
// The request has not yet been processed, let's see if the RecoveryRequestData contains
// the info now needed to process the recovery request.
transWrappedSessionKey = data.getTransWrappedSessionKey();
sessionWrappedPassphrase = data.getSessionWrappedPassphrase();
nonceData = data.getNonceData();
if (transWrappedSessionKey == null) {
//There must be at least a transWrappedSessionKey input provided.
//The command AND the request have provided insufficient data, end of the line.
throw new EBaseException("Can't retrieve key, insufficient input data!");
}
if (sessionWrappedPassphrase != null) {
requestParams.put(IRequest.SECURITY_DATA_SESS_PASS_PHRASE, sessionWrappedPassphrase);
}
if (transWrappedSessionKey != null) {
requestParams.put(IRequest.SECURITY_DATA_TRANS_SESS_KEY, transWrappedSessionKey);
}
if (nonceData != null) {
requestParams.put(IRequest.SECURITY_DATA_IV_STRING_IN, nonceData);
}
try {
// Has to be in this state or it won't go anywhere.
request.setRequestStatus(RequestStatus.BEGIN);
queue.processRequest(request);
} catch (EBaseException e) {
kra.destroyVolatileRequest(request.getRequestId());
throw new EBaseException(e.toString());
}
nonceData = null;
keyData = new KeyData();
sessWrappedKeyData = (String) requestParams.get(IRequest.SECURITY_DATA_SESS_WRAPPED_DATA);
passWrappedKeyData = (String) requestParams.get(IRequest.SECURITY_DATA_PASS_WRAPPED_DATA);
nonceData = (String) requestParams.get(IRequest.SECURITY_DATA_IV_STRING_OUT);
}
if (sessWrappedKeyData != null) {
keyData.setWrappedPrivateData(sessWrappedKeyData);
}
if (passWrappedKeyData != null) {
keyData.setWrappedPrivateData(passWrappedKeyData);
}
if (nonceData != null) {
keyData.setNonceData(nonceData);
}
kra.destroyVolatileRequest(request.getRequestId());
queue.markAsServiced(request);
return keyData;
}
public KeyDataInfo createKeyDataInfo(IKeyRecord rec, UriInfo uriInfo) throws EBaseException {
KeyDataInfo ret = new KeyDataInfo();
Path keyPath = KeyResource.class.getAnnotation(Path.class);
BigInteger serial = rec.getSerialNumber();
UriBuilder keyBuilder = uriInfo.getBaseUriBuilder();
keyBuilder.path(keyPath.value() + "/" + serial);
ret.setKeyURL(keyBuilder.build().toString());
return ret;
}
}
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