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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) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package com.netscape.cms.authorization;
// cert server imports.
import com.netscape.certsrv.acls.EACLsException;
import com.netscape.certsrv.apps.CMS;
import com.netscape.certsrv.authentication.IAuthToken;
import com.netscape.certsrv.authorization.AuthzToken;
import com.netscape.certsrv.authorization.EAuthzAccessDenied;
import com.netscape.certsrv.authorization.EAuthzInternalError;
import com.netscape.certsrv.authorization.IAuthzManager;
import com.netscape.certsrv.base.EBaseException;
import com.netscape.certsrv.base.IConfigStore;
import com.netscape.certsrv.base.IExtendedPluginInfo;
import com.netscape.certsrv.logging.ILogger;
/**
* A class for basic acls authorization manager
*
* @version $Revision$, $Date$
*/
public class BasicAclAuthz extends AAclAuthz
implements IAuthzManager, IExtendedPluginInfo {
// members
/* name of this authorization manager instance */
private String mName = null;
/* name of the authorization manager plugin */
private String mImplName = null;
/* configuration store */
private IConfigStore mConfig;
/* the system logger */
private ILogger mLogger = null;
protected static final String PROP_BASEDN = "basedn";
private static boolean needsFlush = false;
static {
mExtendedPluginInfo.add("nothing for now");
}
/**
* Default constructor
*/
public BasicAclAuthz() {
/* Holds configuration parameters accepted by this implementation.
* This list is passed to the configuration console so configuration
* for instances of this implementation can be configured through the
* console.
*/
mConfigParams =
new String[] {
"dummy"
};
}
/**
*
*/
public void init(String name, String implName, IConfigStore config)
throws EBaseException {
mName = name;
mImplName = implName;
mConfig = config;
mLogger = CMS.getLogger();
super.init(config);
log(ILogger.LL_INFO, "initialization done");
}
/**
* gets the name of this authorization manager instance
*/
public String getName() {
return mName;
}
/**
* gets the plugin name of this authorization manager.
*/
public String getImplName() {
return mImplName;
}
/**
* check the authorization permission for the user associated with
* authToken on operation
* <p>
* Example:
* <p>
* For example, if UsrGrpAdminServlet needs to authorize the caller it would do be done in the following fashion:
*
* <PRE>
* try {
* authzTok = mAuthz.authorize("DirACLBasedAuthz", authToken, RES_GROUP, "read");
* } catch (EBaseException e) {
* log(ILogger.LL_FAILURE, "authorize call: " + e.toString());
* }
* </PRE>
*
* @param authToken the authToken associated with a user
* @param resource - the protected resource name
* @param operation - the protected resource operation name
* @exception EAuthzInternalError if an internal error occurred.
* @exception EAuthzAccessDenied if access denied
* @return authzToken if success
*/
public AuthzToken authorize(IAuthToken authToken, String resource, String operation)
throws EAuthzInternalError, EAuthzAccessDenied {
AuthzToken authzToken = new AuthzToken(this);
try {
checkPermission(authToken, resource, operation);
CMS.debug("BasicAclAuthz: authorization passed");
// compose AuthzToken
authzToken.set(AuthzToken.TOKEN_AUTHZ_RESOURCE, resource);
authzToken.set(AuthzToken.TOKEN_AUTHZ_OPERATION, operation);
authzToken.set(AuthzToken.TOKEN_AUTHZ_STATUS,
AuthzToken.AUTHZ_STATUS_SUCCESS);
} catch (EACLsException e) {
// audit here later
log(ILogger.LL_FAILURE, CMS.getLogMessage("AUTHZ_EVALUATOR_AUTHORIZATION_FAILED"));
String params[] = { resource, operation };
throw new EAuthzAccessDenied(CMS.getUserMessage("CMS_AUTHORIZATION_AUTHZ_ACCESS_DENIED", params));
}
return authzToken;
}
public AuthzToken authorize(IAuthToken authToken, String expression)
throws EAuthzAccessDenied {
if (evaluateACLs(authToken, expression)) {
return (new AuthzToken(this));
} else {
String params[] = { expression };
throw new EAuthzAccessDenied(CMS.getUserMessage("CMS_AUTHORIZATION_AUTHZ_ACCESS_DENIED", params));
}
}
/**
* This currently does not flush to permanent storage
*
* @param id is the resource id
* @param strACLs
*/
public void updateACLs(String id, String rights, String strACLs,
String desc) throws EACLsException {
try {
super.updateACLs(id, rights, strACLs, desc);
// flushResourceACLs();
needsFlush = false;
} catch (EACLsException ex) {
// flushing failed, set flag
needsFlush = true;
String errMsg = "updateACLs: failed to flushResourceACLs(): "
+ ex.toString();
log(ILogger.LL_FAILURE, CMS.getLogMessage("AUTHZ_EVALUATOR_FLUSH_RESOURCES", ex.toString()));
throw new EACLsException(CMS.getUserMessage("CMS_ACL_UPDATE_FAIL"));
}
}
/**
* updates resourceACLs to permanent storage.
* currently not implemented for this authzMgr
*/
protected void flushResourceACLs() throws EACLsException {
log(ILogger.LL_FAILURE, "flushResourceACL() is not implemented");
throw new EACLsException(CMS.getUserMessage("CMS_ACL_METHOD_NOT_IMPLEMENTED"));
}
/**
* graceful shutdown
*/
public void shutdown() {
log(ILogger.LL_INFO, "shutting down");
}
/**
* Logs a message for this class in the system log file.
*
* @param level The log level.
* @param msg The message to log.
* @see com.netscape.certsrv.logging.ILogger
*/
protected void log(int level, String msg) {
if (mLogger == null)
return;
mLogger.log(ILogger.EV_SYSTEM, null, ILogger.S_AUTHORIZATION,
level, msg);
}
}
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