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- /*
- * SonarQube
- * Copyright (C) 2009-2018 SonarSource SA
- * mailto:info AT sonarsource DOT com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- */
- package org.sonar.server.permission;
-
- import java.util.List;
- import java.util.Optional;
- import org.sonar.db.DbClient;
- import org.sonar.db.DbSession;
- import org.sonar.db.permission.UserPermissionDto;
-
- import static org.sonar.api.web.UserRole.PUBLIC_PERMISSIONS;
- import static org.sonar.core.permission.GlobalPermissions.SYSTEM_ADMIN;
- import static org.sonar.server.permission.PermissionChange.Operation.ADD;
- import static org.sonar.server.permission.PermissionChange.Operation.REMOVE;
- import static org.sonar.server.ws.WsUtils.checkRequest;
-
- /**
- * Adds and removes user permissions. Both global and project scopes are supported.
- */
- public class UserPermissionChanger {
-
- private final DbClient dbClient;
-
- public UserPermissionChanger(DbClient dbClient) {
- this.dbClient = dbClient;
- }
-
- public boolean apply(DbSession dbSession, UserPermissionChange change) {
- ensureConsistencyWithVisibility(change);
- if (isImplicitlyAlreadyDone(change)) {
- return false;
- }
- switch (change.getOperation()) {
- case ADD:
- return addPermission(dbSession, change);
- case REMOVE:
- return removePermission(dbSession, change);
- default:
- throw new UnsupportedOperationException("Unsupported permission change: " + change.getOperation());
- }
- }
-
- private static boolean isImplicitlyAlreadyDone(UserPermissionChange change) {
- return change.getProjectId()
- .map(projectId -> isImplicitlyAlreadyDone(projectId, change))
- .orElse(false);
- }
-
- private static boolean isImplicitlyAlreadyDone(ProjectId projectId, UserPermissionChange change) {
- return isAttemptToAddPublicPermissionToPublicComponent(change, projectId);
- }
-
- private static boolean isAttemptToAddPublicPermissionToPublicComponent(UserPermissionChange change, ProjectId projectId) {
- return !projectId.isPrivate()
- && change.getOperation() == ADD
- && PUBLIC_PERMISSIONS.contains(change.getPermission());
- }
-
- private static void ensureConsistencyWithVisibility(UserPermissionChange change) {
- change.getProjectId()
- .ifPresent(projectId -> checkRequest(
- !isAttemptToRemovePublicPermissionFromPublicComponent(change, projectId),
- "Permission %s can't be removed from a public component", change.getPermission()));
- }
-
- private static boolean isAttemptToRemovePublicPermissionFromPublicComponent(UserPermissionChange change, ProjectId projectId) {
- return !projectId.isPrivate()
- && change.getOperation() == REMOVE
- && PUBLIC_PERMISSIONS.contains(change.getPermission());
- }
-
- private boolean addPermission(DbSession dbSession, UserPermissionChange change) {
- if (loadExistingPermissions(dbSession, change).contains(change.getPermission())) {
- return false;
- }
- UserPermissionDto dto = new UserPermissionDto(change.getOrganizationUuid(), change.getPermission(), change.getUserId().getId(), change.getNullableProjectId());
- dbClient.userPermissionDao().insert(dbSession, dto);
- return true;
- }
-
- private boolean removePermission(DbSession dbSession, UserPermissionChange change) {
- if (!loadExistingPermissions(dbSession, change).contains(change.getPermission())) {
- return false;
- }
- checkOtherAdminsExist(dbSession, change);
- Optional<ProjectId> projectId = change.getProjectId();
- if (projectId.isPresent()) {
- dbClient.userPermissionDao().deleteProjectPermission(dbSession, change.getUserId().getId(), change.getPermission(), projectId.get().getId());
- } else {
- dbClient.userPermissionDao().deleteGlobalPermission(dbSession, change.getUserId().getId(), change.getPermission(), change.getOrganizationUuid());
- }
- return true;
- }
-
- private List<String> loadExistingPermissions(DbSession dbSession, UserPermissionChange change) {
- Optional<ProjectId> projectId = change.getProjectId();
- if (projectId.isPresent()) {
- return dbClient.userPermissionDao().selectProjectPermissionsOfUser(dbSession,
- change.getUserId().getId(),
- projectId.get().getId());
- }
- return dbClient.userPermissionDao().selectGlobalPermissionsOfUser(dbSession,
- change.getUserId().getId(),
- change.getOrganizationUuid());
- }
-
- private void checkOtherAdminsExist(DbSession dbSession, UserPermissionChange change) {
- if (SYSTEM_ADMIN.equals(change.getPermission()) && !change.getProjectId().isPresent()) {
- int remaining = dbClient.authorizationDao().countUsersWithGlobalPermissionExcludingUserPermission(dbSession,
- change.getOrganizationUuid(), change.getPermission(), change.getUserId().getId());
- checkRequest(remaining > 0, "Last user with permission '%s'. Permission cannot be removed.", SYSTEM_ADMIN);
- }
- }
- }
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