| /* |
| * 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.nifi.registry.security.authorization; |
| |
| import org.apache.nifi.registry.security.authorization.exception.AuthorizationAccessException; |
| import org.apache.nifi.registry.security.authorization.exception.UninheritableAuthorizationsException; |
| |
| /** |
| * Provides support for configuring AccessPolicies. |
| * |
| * NOTE: Extensions will be called often and frequently. Because of this, if the underlying implementation needs to |
| * make remote calls or expensive calculations those should probably be done asynchronously and/or cache the results. |
| * |
| * Additionally, extensions need to be thread safe. |
| */ |
| public interface ConfigurableAccessPolicyProvider extends AccessPolicyProvider { |
| |
| /** |
| * Returns a fingerprint representing the authorizations managed by this authorizer. The fingerprint will be |
| * used for comparison to determine if two policy-based authorizers represent a compatible set of policies. |
| * |
| * @return the fingerprint for this Authorizer |
| * @throws AuthorizationAccessException if there was an unexpected error performing the operation |
| */ |
| String getFingerprint() throws AuthorizationAccessException; |
| |
| /** |
| * Parses the fingerprint and adds any policies to the current AccessPolicyProvider. |
| * |
| * @param fingerprint the fingerprint that was obtained from calling getFingerprint() on another Authorizer. |
| * @throws AuthorizationAccessException if there was an unexpected error performing the operation |
| */ |
| void inheritFingerprint(final String fingerprint) throws AuthorizationAccessException; |
| |
| /** |
| * When the fingerprints are not equal, this method will check if the proposed fingerprint is inheritable. |
| * If the fingerprint is an exact match, this method will not be invoked as there is nothing to inherit. |
| * |
| * @throws AuthorizationAccessException if there was an unexpected error performing the operation |
| * @throws UninheritableAuthorizationsException if the proposed fingerprint was uninheritable |
| */ |
| void checkInheritability(final String proposedFingerprint) throws AuthorizationAccessException, UninheritableAuthorizationsException; |
| |
| /** |
| * Adds the given policy ensuring that multiple policies can not be added for the same resource and action. |
| * |
| * @param accessPolicy the policy to add |
| * @return the policy that was added |
| * @throws AuthorizationAccessException if there was an unexpected error performing the operation |
| */ |
| AccessPolicy addAccessPolicy(AccessPolicy accessPolicy) throws AuthorizationAccessException; |
| |
| /** |
| * Determines whether the specified access policy is configurable. Provides the opportunity for a ConfigurableAccessPolicyProvider to prevent |
| * editing of a specific access policy. By default, all known access policies are configurable. |
| * |
| * @param accessPolicy the access policy |
| * @return is configurable |
| */ |
| default boolean isConfigurable(AccessPolicy accessPolicy) { |
| if (accessPolicy == null) { |
| throw new IllegalArgumentException("Access policy cannot be null"); |
| } |
| |
| return getAccessPolicy(accessPolicy.getIdentifier()) != null; |
| } |
| |
| /** |
| * The policy represented by the provided instance will be updated based on the provided instance. |
| * |
| * @param accessPolicy an updated policy |
| * @return the updated policy, or null if no matching policy was found |
| * @throws AuthorizationAccessException if there was an unexpected error performing the operation |
| */ |
| AccessPolicy updateAccessPolicy(AccessPolicy accessPolicy) throws AuthorizationAccessException; |
| |
| /** |
| * Deletes the given policy. |
| * |
| * @param accessPolicy the policy to delete |
| * @return the deleted policy, or null if no matching policy was found |
| * @throws AuthorizationAccessException if there was an unexpected error performing the operation |
| */ |
| AccessPolicy deleteAccessPolicy(AccessPolicy accessPolicy) throws AuthorizationAccessException; |
| |
| /** |
| * Deletes the policy with the specified identifier. |
| * |
| * @param accessPolicyIdentifier the policy to delete |
| * @return the deleted policy, or null if no matching policy was found |
| * @throws AuthorizationAccessException if there was an unexpected error performing the operation |
| */ |
| AccessPolicy deleteAccessPolicy(String accessPolicyIdentifier) throws AuthorizationAccessException; |
| } |