/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
package org.apache.ambari.server.audit.request.eventcreator;
import java.util.Map;
import java.util.Set;
import org.apache.ambari.server.api.services.Request;
import org.apache.ambari.server.api.services.Result;
import org.apache.ambari.server.api.services.ResultStatus;
import org.apache.ambari.server.audit.event.AuditEvent;
import org.apache.ambari.server.audit.event.request.ActivateUserRequestAuditEvent;
import org.apache.ambari.server.audit.event.request.AdminUserRequestAuditEvent;
import org.apache.ambari.server.audit.event.request.CreateUserRequestAuditEvent;
import org.apache.ambari.server.audit.event.request.DeleteUserRequestAuditEvent;
import org.apache.ambari.server.audit.event.request.UserPasswordChangeRequestAuditEvent;
import org.apache.ambari.server.controller.internal.UserResourceProvider;
import org.apache.ambari.server.controller.spi.Resource;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;
/**
* This creator handles user requests
* For resource type {@link Resource.Type#User}
* and request types {@link Request.Type#POST}, {@link Request.Type#PUT} and {@link Request.Type#DELETE}
*/
public class UserEventCreator implements RequestAuditEventCreator {
/**
* Set of {@link Request.Type}s that are handled by this plugin
*/
private Set<Request.Type> requestTypes = ImmutableSet.<Request.Type>builder().add(Request.Type.PUT, Request.Type.POST, Request.Type.DELETE).build();
/**
* Set of {@link Resource.Type}s that are handled by this plugin
*/
private Set<Resource.Type> resourceTypes = ImmutableSet.<Resource.Type>builder().add(Resource.Type.User).build();
/**
* {@inheritDoc}
*/
@Override
public Set<Request.Type> getRequestTypes() {
return requestTypes;
}
/**
* {@inheritDoc}
*/
@Override
public Set<Resource.Type> getResourceTypes() {
return resourceTypes;
}
/**
* {@inheritDoc}
*/
@Override
public Set<ResultStatus.STATUS> getResultStatuses() {
return null;
}
/**
* {@inheritDoc}
*/
@Override
public AuditEvent createAuditEvent(Request request, Result result) {
switch (request.getRequestType()) {
case POST:
return CreateUserRequestAuditEvent.builder()
.withTimestamp(System.currentTimeMillis())
.withRequestType(request.getRequestType())
.withResultStatus(result.getStatus())
.withUrl(request.getURI())
.withRemoteIp(request.getRemoteAddress())
.withCreatedUsername(getUsername(request))
.withActive(isActive(request))
.withAdmin(isAdmin(request))
.build();
case DELETE:
return DeleteUserRequestAuditEvent.builder()
.withTimestamp(System.currentTimeMillis())
.withRequestType(request.getRequestType())
.withResultStatus(result.getStatus())
.withUrl(request.getURI())
.withRemoteIp(request.getRemoteAddress())
.withDeletedUsername(request.getResource().getKeyValueMap().get(Resource.Type.User))
.build();
case PUT:
if (hasActive(request)) {
return ActivateUserRequestAuditEvent.builder()
.withTimestamp(System.currentTimeMillis())
.withRequestType(request.getRequestType())
.withResultStatus(result.getStatus())
.withUrl(request.getURI())
.withRemoteIp(request.getRemoteAddress())
.withAffectedUsername(getUsername(request))
.withActive(isActive(request))
.build();
}
if (hasAdmin(request)) {
return AdminUserRequestAuditEvent.builder()
.withTimestamp(System.currentTimeMillis())
.withRequestType(request.getRequestType())
.withResultStatus(result.getStatus())
.withUrl(request.getURI())
.withRemoteIp(request.getRemoteAddress())
.withAffectedUsername(getUsername(request))
.withAdmin(isAdmin(request))
.build();
}
if (hasOldPassword(request)) {
return UserPasswordChangeRequestAuditEvent.builder()
.withTimestamp(System.currentTimeMillis())
.withRequestType(request.getRequestType())
.withResultStatus(result.getStatus())
.withUrl(request.getURI())
.withRemoteIp(request.getRemoteAddress())
.withAffectedUsername(getUsername(request))
.build();
}
break;
default:
break;
}
return null;
}
/**
* Returns fromt he request if the user has admin rights
* @param request
* @return
*/
private boolean isAdmin(Request request) {
return hasAdmin(request) && "true".equals(RequestAuditEventCreatorHelper.getProperty(request, UserResourceProvider.USER_ADMIN_PROPERTY_ID));
}
/**
* Returns from the request if the user is active
* @param request
* @return
*/
private boolean isActive(Request request) {
return hasActive(request) && "true".equals(RequestAuditEventCreatorHelper.getProperty(request, UserResourceProvider.USER_ACTIVE_PROPERTY_ID));
}
/**
* Returns if the request contains admin property
* @param request
* @return
*/
private boolean hasAdmin(Request request) {
Map<String, Object> first = Iterables.getFirst(request.getBody().getPropertySets(), null);
return first != null && first.containsKey(UserResourceProvider.USER_ADMIN_PROPERTY_ID);
}
/**
* Returns if the request contains active property
* @param request
* @return
*/
private boolean hasActive(Request request) {
Map<String, Object> first = Iterables.getFirst(request.getBody().getPropertySets(), null);
return first != null && first.containsKey(UserResourceProvider.USER_ACTIVE_PROPERTY_ID);
}
/**
* Returns if the request contains old password field
* @param request
* @return
*/
private boolean hasOldPassword(Request request) {
Map<String, Object> first = Iterables.getFirst(request.getBody().getPropertySets(), null);
return first != null && first.containsKey(UserResourceProvider.USER_OLD_PASSWORD_PROPERTY_ID);
}
/**
* Returns the username from the request
* @param request
* @return
*/
private String getUsername(Request request) {
Map<String, Object> first = Iterables.getFirst(request.getBody().getPropertySets(), null);
if (first != null) {
return String.valueOf(first.get(UserResourceProvider.USER_USERNAME_PROPERTY_ID));
}
return null;
}
}