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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) 2014 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package org.dogtagpki.server.tps.cms;
import java.math.BigInteger;
import java.util.Hashtable;
import org.dogtagpki.server.connector.IRemoteRequest;
import org.dogtagpki.server.tps.TPSSubsystem;
import com.netscape.certsrv.apps.CMS;
import com.netscape.certsrv.base.EBaseException;
import com.netscape.cmscore.connector.HttpConnector;
import com.netscape.cmsutil.http.HttpResponse;
/**
* KRARemoteRequestHandler is a class representing remote requests
* offered by the Key Recovery Authority (KRA)
* On a successful return, name/value pairs are provided in a Hashtable where
* all contents are URL decoded if needed
*
* @author cfu
*/
public class KRARemoteRequestHandler extends RemoteRequestHandler
{
public KRARemoteRequestHandler(String connID)
throws EBaseException {
if (connID == null) {
throw new EBaseException("KRARemoteRequestHandler: KRARemoteRequestHandler(): connID null.");
}
connid = connID;
}
/**
* serverSideKeyGen generates key pairs on the KRA
*
* @param cuid is the token id
* @param userid is the user id
* @param sDesKey is the des key provided by the TKS for key encryption
* @param archive true or false
*
* @returns KRAServerSideKeyGenResponse
*/
public KRAServerSideKeyGenResponse serverSideKeyGen(
boolean isECC,
int keysize,
String cuid,
String userid,
String sDesKey,
boolean archive)
throws EBaseException {
CMS.debug("KRARemoteRequestHandler: serverSideKeyGen(): begins.");
if (cuid == null || userid == null || sDesKey == null) {
throw new EBaseException("KRARemoteRequestHandler: serverSideKeyGen(): input parameter null.");
}
TPSSubsystem subsystem =
(TPSSubsystem) CMS.getSubsystem(TPSSubsystem.ID);
HttpConnector conn =
(HttpConnector) subsystem.getConnectionManager().getConnector(connid);
CMS.debug("KRARemoteRequestHandler: serverSideKeyGen(): sending request to KRA");
HttpResponse resp;
String request;
if (isECC) {
String eckeycurve;
if (keysize == 521) {
eckeycurve = "nistp521";
} else if (keysize == 384) {
eckeycurve = "nistp384";
} else if (keysize == 256) {
eckeycurve = "nistp256";
} else {
CMS.debug("KRARemoteRequestHandler: serverSideKeyGen(): unrecognized ECC keysize" + keysize
+ ", setting to nistp256");
keysize = 256;
eckeycurve = "nistp256";
}
request = IRemoteRequest.KRA_KEYGEN_Archive + "=" +
archive +
"&" + IRemoteRequest.TOKEN_CUID + "=" +
cuid +
"&" + IRemoteRequest.KRA_UserId + "=" +
userid +
"&" + IRemoteRequest.KRA_KEYGEN_KeyType + "=" +
"EC" +
"&" + IRemoteRequest.KRA_KEYGEN_EC_KeyCurve + "=" +
eckeycurve +
"&" + IRemoteRequest.KRA_Trans_DesKey + "=" +
sDesKey;
CMS.debug("KRARemoteRequestHandler: outgoing request for ECC: " + request);
resp =
conn.send("GenerateKeyPair",
request);
} else { // RSA
request = IRemoteRequest.KRA_KEYGEN_Archive + "=" +
archive +
"&" + IRemoteRequest.TOKEN_CUID + "=" +
cuid +
"&" + IRemoteRequest.KRA_UserId + "=" +
userid +
"&" + IRemoteRequest.KRA_KEYGEN_KeyType + "=" +
"RSA" +
"&" + IRemoteRequest.KRA_KEYGEN_KeySize + "=" +
keysize +
"&" + IRemoteRequest.KRA_Trans_DesKey + "=" +
sDesKey;
CMS.debug("KRARemoteRequestHandler: outgoing request for RSA: " + request);
resp =
conn.send("GenerateKeyPair",
request);
}
//For some reason the send method can return null and not throw an exception.
// Check here;
if (resp == null) {
throw new EBaseException(
"KRARemoteRequestHandler: serverSideKeyGen(): No response object returned from connection.");
}
String content = resp.getContent();
CMS.debug("KRARemoteRequestHandler: serverSideKeyGen(): got content = " + content);
if (content != null && !content.equals("")) {
Hashtable<String, Object> response =
parseResponse(content);
/**
* When a value is not found in response, keep going so we know
* what else is missing
* Note: response values "missing" might not be bad for some cases
*/
Integer ist = new Integer(IRemoteRequest.RESPONSE_STATUS_NOT_FOUND);
String value = (String) response.get(IRemoteRequest.RESPONSE_STATUS);
if (value == null) {
throw new EBaseException("KRARemoteRequestHandler: serverSideKeyGen(): Invalide status returned!");
}
CMS.debug("KRARemoteRequestHandler: serverSideKeyGen(): got status = " + value);
ist = Integer.parseInt(value);
if (ist != 0) {
CMS.debug("KRARemoteRequestHandler: serverSideKeyGen(): status not 0, getting error string... ");
value = (String) response.get(IRemoteRequest.RESPONSE_ERROR_STRING);
if (value == null) {
CMS.debug("KRARemoteRequestHandler: serverSideKeyGen(): response missing name-value pair for: " +
IRemoteRequest.RESPONSE_ERROR_STRING);
} else {
CMS.debug("KRARemoteRequestHandler: serverSideKeyGen(): got IRemoteRequest.RESPONSE_ERROR_STRING = "
+ value);
response.put(IRemoteRequest.RESPONSE_ERROR_STRING, value);
}
}
response.put(IRemoteRequest.RESPONSE_STATUS, ist);
value = (String) response.get(IRemoteRequest.KRA_RESPONSE_PublicKey);
if (value == null) {
CMS.debug("KRARemoteRequestHandler: serverSideKeyGen(): response missing name-value pair for: " +
IRemoteRequest.KRA_RESPONSE_PublicKey);
} else {
CMS.debug("KRARemoteRequestHandler:serverSideKeyGen(): got IRemoteRequest.KRA_RESPONSE_PublicKey= "
+ value);
response.put(IRemoteRequest.KRA_RESPONSE_PublicKey, value);
}
value = (String) response.get(IRemoteRequest.KRA_RESPONSE_Wrapped_PrivKey);
if (value == null) {
CMS.debug("KRARemoteRequestHandler: serverSideKeyGen(): response missing name-value pair for: " +
IRemoteRequest.KRA_RESPONSE_Wrapped_PrivKey);
} else {
CMS.debug("KRARemoteRequestHandler:serverSideKeyGen(): got IRemoteRequest.KRA_RESPONSE_Wrapped_PrivKey= "
+ value);
response.put(IRemoteRequest.KRA_RESPONSE_Wrapped_PrivKey, value);
}
value = (String) response.get(IRemoteRequest.KRA_RESPONSE_IV_Param);
if (value == null) {
CMS.debug("KRARemoteRequestHandler: serverSideKeyGen(): response missing name-value pair for: " +
IRemoteRequest.KRA_RESPONSE_IV_Param);
} else {
CMS.debug("KRARemoteRequestHandler:serverSideKeyGen(): got IRemoteRequest.KRA_RESPONSE_IV_Param= "
+ value);
response.put(IRemoteRequest.KRA_RESPONSE_IV_Param, value);
}
CMS.debug("KRARemoteRequestHandler: serverSideKeyGen(): ends.");
return new KRAServerSideKeyGenResponse(connid, response);
} else {
CMS.debug("KRARemoteRequestHandler: serverSideKeyGen(): no response content.");
throw new EBaseException("KRARemoteRequestHandler: serverSideKeyGen(): no response content.");
}
}
/**
* recoverKey recovers keys from KRA
*
* @param cuid is the token id
* @param userid is the user id
* @param sDesKey is the des key provided by the TKS for key encryption
* @param b64cert is the Base64 encoding of a certificate used to recover
*
* @returns KRARecoverKeyResponse
*/
public KRARecoverKeyResponse recoverKey(
String cuid,
String userid,
String sDesKey,
String b64cert)
throws EBaseException {
return recoverKey(cuid, userid, sDesKey, b64cert, BigInteger.valueOf(0));
}
public KRARecoverKeyResponse recoverKey(
String cuid,
String userid,
String sDesKey,
String b64cert,
BigInteger keyid)
throws EBaseException {
CMS.debug("KRARemoteRequestHandler: recoverKey(): begins.");
if (b64cert == null && keyid == BigInteger.valueOf(0)) {
throw new EBaseException("KRARemoteRequestHandler: recoverKey(): one of b64cert or kid has to be a valid value");
}
if (cuid == null || userid == null || sDesKey == null) {
throw new EBaseException("KRARemoteRequestHandler: recoverKey(): input parameter null.");
}
TPSSubsystem subsystem =
(TPSSubsystem) CMS.getSubsystem(TPSSubsystem.ID);
CMS.debug("KRARemoteRequestHandler: getting conn id: " + connid);
HttpConnector conn =
(HttpConnector) subsystem.getConnectionManager().getConnector(connid);
if (conn == null) {
CMS.debug("KRARemoteRequestHandler: recoverKey(): conn null");
throw new EBaseException("KRARemoteRequestHandler: recoverKey(): conn null");
}
CMS.debug("KRARemoteRequestHandler: recoverKey(): sending request to KRA");
String sendMsg = null;
if (b64cert != null) { // recover by cert
sendMsg = IRemoteRequest.TOKEN_CUID + "=" +
cuid +
"&" + IRemoteRequest.KRA_UserId + "=" +
userid +
"&" + IRemoteRequest.KRA_RECOVERY_CERT + "=" +
b64cert +
"&" + IRemoteRequest.KRA_Trans_DesKey + "=" +
sDesKey;
} else if (keyid != BigInteger.valueOf(0)){ // recover by keyid ... keyid != BigInteger.valueOf(0)
CMS.debug("KRARemoteRequestHandler: recoverKey(): keyid = " + keyid);
sendMsg = IRemoteRequest.TOKEN_CUID + "=" +
cuid +
"&" + IRemoteRequest.KRA_UserId + "=" +
userid +
"&" + IRemoteRequest.KRA_RECOVERY_KEYID + "=" +
keyid.toString() +
"&" + IRemoteRequest.KRA_Trans_DesKey + "=" +
sDesKey;
}
CMS.debug("KRARemoteRequestHandler: recoverKey(): sendMsg =" + sendMsg);
HttpResponse resp =
conn.send("TokenKeyRecovery",
sendMsg);
if (resp == null) {
throw new EBaseException(
"KRARemoteRequestHandler: recoverKey(): No response object returned from connection.");
}
String content = resp.getContent();
CMS.debug("KRARemoteRequestHandler: recoverKey(): got content = " + content);
if (content != null && !content.equals("")) {
Hashtable<String, Object> response =
parseResponse(content);
/**
* When a value is not found in response, keep going so we know
* what else is missing
* Note: response values "missing" might not be bad for some cases
*/
Integer ist = new Integer(IRemoteRequest.RESPONSE_STATUS_NOT_FOUND);
String value = (String) response.get(IRemoteRequest.RESPONSE_STATUS);
CMS.debug("KRARemoteRequestHandler: recoverKey(): got status = " + value);
ist = Integer.parseInt(value);
if (ist != 0) {
CMS.debug("KRARemoteRequestHandler: recoverKey(): status not 0, getting error string... ");
value = (String) response.get(IRemoteRequest.RESPONSE_ERROR_STRING);
if (value == null) {
CMS.debug("KRARemoteRequestHandler: recoverKey(): response missing name-value pair for: " +
IRemoteRequest.RESPONSE_ERROR_STRING);
} else {
CMS.debug("KRARemoteRequestHandler: recoverKey(): got IRemoteRequest.RESPONSE_ERROR_STRING = "
+ value);
response.put(IRemoteRequest.RESPONSE_ERROR_STRING, value);
}
}
response.put(IRemoteRequest.RESPONSE_STATUS, ist);
value = (String) response.get(IRemoteRequest.KRA_RESPONSE_PublicKey);
if (value == null) {
CMS.debug("KRARemoteRequestHandler: recoverKey(): response missing name-value pair for: " +
IRemoteRequest.KRA_RESPONSE_PublicKey);
} else {
CMS.debug("KRARemoteRequestHandler:recoverKey(): got IRemoteRequest.KRA_RESPONSE_PublicKey= " + value);
response.put(IRemoteRequest.KRA_RESPONSE_PublicKey, value);
}
value = (String) response.get(IRemoteRequest.KRA_RESPONSE_Wrapped_PrivKey);
if (value == null) {
CMS.debug("KRARemoteRequestHandler: recoverKey(): response missing name-value pair for: " +
IRemoteRequest.KRA_RESPONSE_Wrapped_PrivKey);
} else {
CMS.debug("KRARemoteRequestHandler:recoverKey(): got IRemoteRequest.KRA_RESPONSE_Wrapped_PrivKey= "
+ value);
response.put(IRemoteRequest.KRA_RESPONSE_Wrapped_PrivKey, value);
}
value = (String) response.get(IRemoteRequest.KRA_RESPONSE_IV_Param);
if (value == null) {
CMS.debug("KRARemoteRequestHandler: recoverKey(): response missing name-value pair for: " +
IRemoteRequest.KRA_RESPONSE_IV_Param);
} else {
CMS.debug("KRARemoteRequestHandler:recoverKey(): got IRemoteRequest.KRA_RESPONSE_IV_Param= " + value);
response.put(IRemoteRequest.KRA_RESPONSE_IV_Param, value);
}
CMS.debug("KRARemoteRequestHandler: recoverKey(): ends.");
return new KRARecoverKeyResponse(connid, response);
} else {
CMS.debug("KRARemoteRequestHandler: recoverKey(): no response content.");
throw new EBaseException("KRARemoteRequestHandler: recoverKey(): no response content.");
}
}
}
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