[DMAAP-BC] Consolidate bus controller repos

[dmaap/buscontroller.git] / dmaap-bc / src / main / java / org / onap / dmaap / dbcapi / aaf / AafLurService.java

diff --git a/dmaap-bc/src/main/java/org/onap/dmaap/dbcapi/aaf/AafLurService.java b/dmaap-bc/src/main/java/org/onap/dmaap/dbcapi/aaf/AafLurService.java
new file mode 100644 (file)
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--- /dev/null
+++ b/dmaap-bc/src/main/java/org/onap/dmaap/dbcapi/aaf/AafLurService.java
@@ -0,0 +1,140 @@
+/*-
+ * ============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;
+
+       }
+}