2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2019 Nokia Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.onap.dmaap.dbcapi.service;
23 import org.onap.dmaap.dbcapi.aaf.AafService;
24 import org.onap.dmaap.dbcapi.aaf.AafUserRole;
25 import org.onap.dmaap.dbcapi.aaf.DmaapGrant;
26 import org.onap.dmaap.dbcapi.aaf.DmaapPerm;
27 import org.onap.dmaap.dbcapi.logging.BaseLoggingClass;
28 import org.onap.dmaap.dbcapi.model.ApiError;
29 import org.onap.dmaap.dbcapi.model.DmaapObject.DmaapObject_Status;
30 import org.onap.dmaap.dbcapi.model.MR_Client;
32 import static java.lang.String.format;
34 class AafPermissionService extends BaseLoggingClass {
36 private static final String INSTANCE_PREFIX = ":topic.";
37 private final AafService aafService;
38 private final DmaapService dmaapService;
40 AafPermissionService(AafService aafService, DmaapService dmaapService) {
41 this.aafService = aafService;
42 this.dmaapService = dmaapService;
45 ApiError assignClientToRole(MR_Client client, String role) {
46 AafUserRole ur = new AafUserRole(client.getClientIdentity(), role);
47 int rc = aafService.addUserRole(ur);
48 if (rc != 201 && rc != 409) {
49 return handleErrorStatus(rc, client,
50 format("Failed to add user %s to role %s", client.getClientIdentity(), role));
52 return handleOkStatus(client);
55 ApiError grantClientRolePerms(MR_Client client) {
56 return forEachClientAction(client, this::grantPermForClientRole);
59 ApiError revokeClientPerms(MR_Client client) {
60 return forEachClientAction(client, this::revokePermForClientRole);
63 private ApiError forEachClientAction(MR_Client client, PermissionUpdate permissionUpdate) {
65 String instance = INSTANCE_PREFIX + client.getFqtn();
67 for (String action : client.getAction()) {
68 permissionUpdate.execute(client.getClientRole(), instance, action);
71 } catch (PermissionServiceException e) {
72 return handleErrorStatus(e.getCode(), client, e.getMessage());
74 return handleOkStatus(client);
77 private void grantPermForClientRole(String clientRole, String instance, String action) throws PermissionServiceException {
78 if (clientRole != null) {
79 DmaapPerm perm = new DmaapPerm(dmaapService.getTopicPerm(), instance, action);
80 DmaapGrant g = new DmaapGrant(perm, clientRole);
81 int code = aafService.addGrant(g);
82 if (code != 201 && code != 409) {
83 throw new PermissionServiceException(code, format("Grant of %s|%s|%s failed for %s",
84 dmaapService.getTopicPerm(), instance, action, clientRole));
87 logger.warn("No Grant of {}|{}|{} because role is null ", dmaapService.getTopicPerm(), instance, action);
91 private void revokePermForClientRole(String clientRole, String instance, String action) throws PermissionServiceException {
92 DmaapPerm perm = new DmaapPerm(dmaapService.getTopicPerm(), instance, action);
93 DmaapGrant g = new DmaapGrant(perm, clientRole);
94 int code = aafService.delGrant(g);
95 if (code != 200 && code != 404) {
96 throw new PermissionServiceException(code, format("Revoke of %s|%s|%s failed for %s",
97 dmaapService.getTopicPerm(), instance, action, clientRole));
101 private ApiError handleErrorStatus(int code, MR_Client client, String message) {
102 ApiError apiError = new ApiError(code, message);
103 client.setStatus(DmaapObject_Status.INVALID);
104 logger.warn(apiError.getMessage());
108 private ApiError handleOkStatus(MR_Client client) {
109 client.setStatus(DmaapObject_Status.VALID);
110 return new ApiError(200, "OK");
113 private class PermissionServiceException extends Exception {
114 private final int code;
115 private final String message;
117 PermissionServiceException(int code, String message) {
119 this.message = message;
122 public int getCode() {
127 public String getMessage() {
133 interface PermissionUpdate {
134 void execute(String clientRole, String instance, String action) throws PermissionServiceException;