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/*-
* ============LICENSE_START=======================================================
* org.onap.dmaap
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* Modifications Copyright (C) 2019 IBM.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.onap.dmaap.dbcapi.aaf;
import java.io.IOException;
import java.security.Principal;
import java.util.ArrayList;
import java.util.List;
import org.onap.aaf.cadi.Access;
import org.onap.aaf.cadi.CadiException;
import org.onap.aaf.cadi.LocatorException;
import org.onap.aaf.cadi.Permission;
import org.onap.aaf.cadi.aaf.AAFPermission;
import org.onap.aaf.cadi.aaf.v2_0.AAFAuthn;
import org.onap.aaf.cadi.aaf.v2_0.AAFConHttp;
import org.onap.aaf.cadi.aaf.v2_0.AAFLurPerm;
import org.onap.aaf.cadi.principal.UnAuthPrincipal;
import org.onap.aaf.misc.env.APIException;
import org.onap.dmaap.dbcapi.logging.BaseLoggingClass;
/*
* this service uses the AAF Lur object to lookup identities and perms
*/
public class AafLurService extends BaseLoggingClass {
private static AAFConHttp aafcon;
private static AAFLurPerm aafLur;
private static AAFAuthn<?> aafAuthn;
/*
* singleton pattern suggested by AAF
*/
private static AafLurService singleton;
private AafLurService() {}
private static void init( Access myAccess ) throws APIException, CadiException, LocatorException {
appLogger.info( "myAccess=" + myAccess );
try {
aafcon = new AAFConHttp( myAccess );
} catch ( CadiException | LocatorException e) {
appLogger.error( "Failure of AAFConHttp: " + e.getMessage() );
errorLogger.error( "Failure of AAFConHttp: " + e.getMessage() );
errorLogger.error(e.getMessage());
throw e;
}
try {
aafLur = aafcon.newLur();
} catch ( CadiException e) {
appLogger.error( "Failure of newLur(): " + e.getMessage() );
errorLogger.error( "Failure of newLur(): " + e.getMessage() );
errorLogger.error(e.getMessage());
throw e;
}
aafAuthn = aafcon.newAuthn( aafLur );
}
public static synchronized AafLurService getInstance( Access myAccess ) throws APIException, CadiException, LocatorException{
if ( singleton == null ) {
singleton = new AafLurService();
try {
init( myAccess );
} catch (APIException | CadiException | LocatorException e) {
errorLogger.error(e.getMessage());
throw e;
}
}
return singleton;
}
public boolean checkPerm(String ns, String fqi, String pwd, DmaapPerm p) throws IOException, CadiException {
boolean rc = false;
if ( aafAuthn == null ) {
appLogger.error( "AafLurService: aafAuthn not set as expected.");
return rc;
}
String ok = aafAuthn.validate( fqi, pwd );
if ( ok != null ) {
appLogger.info( "FAILED validation of fqi=" + fqi + "with response:" + ok );
return rc;
}
Principal principal = new UnAuthPrincipal( fqi );
// if we pass ns as first arg to AAFPermission constructor it gets prpended to the instance...
// as in ns|instance|type|action. we don't want that.
Permission aafPerm = new AAFPermission( null, p.getPermission(), p.getPtype(), p.getAction());
if ( aafLur == null ) {
appLogger.error( "AafLurService: aafLur not set as expected.");
return rc;
}
rc = aafLur.fish( principal, aafPerm );
boolean flag = true;
if (rc == flag ) {
return rc;
}
List<Permission> perms = new ArrayList<>();
aafLur.fishAll( principal, perms);
String key = aafPerm.getKey();
for ( Permission prm: perms ) {
if ( prm.getKey().equals( key )) {
appLogger.info( principal + " has MATCHING perm " + prm.getKey() );
} else {
appLogger.info( principal + " has non-matching perm " + prm.getKey() );
}
}
return rc;
}
}
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