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/*-
* ============LICENSE_START=======================================================
* ONAP Policy Engine
* ================================================================================
* Copyright (C) 2018-2019 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.policy.utils;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.onap.policy.model.Roles;
public final class UserUtils {
private UserUtils() {
// Empty Constructor
}
public static class Pair<T, U> {
public final T t;
public final U u;
public Pair(T t, U u) {
this.t = t;
this.u = u;
}
}
/**
* Check Role and its Scopes.
*
* @param userRoles list of UserRoles.
* @return return role and scope from UserRole Object.
*/
public static Pair<Set<String>, List<String>> checkRoleAndScope(List<Object> userRoles) {
Set<String> scopes;
List<String> roles;
// Check if the Role and Scope Size are Null get the values from db.
roles = new ArrayList<>();
scopes = new HashSet<>();
for (Object role : userRoles) {
Roles userRole = (Roles) role;
roles.add(userRole.getRole());
if (userRole.getScope() != null) {
if (userRole.getScope().contains(",")) {
String[] multipleScopes = userRole.getScope().split(",");
for (int i = 0; i < multipleScopes.length; i++) {
scopes.add(trimScope(multipleScopes[i]));
}
} else {
scopes.add(trimScope(userRole.getScope()));
}
}
}
return new Pair<>(scopes, roles);
}
/**
* Get Role by Scope based on UserRole Object.
*
* @param userRoles list of UserRoles.
* @return return the map<scope, role>.
*/
public static Map<String, String> getRoleByScope(List<Object> userRoles) {
Map<String, String> rolesList = new HashMap<>();
for (Object role : userRoles) {
Roles userRole = (Roles) role;
if (!userRole.getRole().startsWith("super-")) {
rolesList = addNonSuperUserScopes(userRole, rolesList);
} else {
rolesList.put("@All@", userRole.getRole());
}
}
return rolesList;
}
/**
* Read non super role scopes and add to map.
*
* @param userRole Role Object.
* @param rolesList roleList Object.
* @return return the map<scope, role>.
*/
private static Map<String, String> addNonSuperUserScopes(Roles userRole, Map<String, String> rolesList) {
if (userRole.getScope() != null && !(userRole.getScope().trim().isEmpty())) {
if (userRole.getScope().contains(",")) {
String[] multipleScopes = userRole.getScope().split(",");
for (int i = 0; i < multipleScopes.length; i++) {
rolesList.put(trimScope(multipleScopes[i]), userRole.getRole());
}
} else {
rolesList.put(trimScope(userRole.getScope()), userRole.getRole());
}
}
return rolesList;
}
/**
* Trim Scope Value.
*
* @param scope string scope name.
* @return trim scope.
*/
private static String trimScope(String scope) {
return scope.replace("[", "").replace("]", "").replace("\"", "").trim();
}
}
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