org.sharetask.security.WorkspaceMemberOrOwnerPermission.java Source code

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Here is the source code for org.sharetask.security.WorkspaceMemberOrOwnerPermission.java

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/*
 * 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.sharetask.security;

import lombok.Setter;

import org.sharetask.entity.UserInformation;
import org.sharetask.entity.Workspace;
import org.sharetask.repository.WorkspaceRepository;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.util.Assert;

/**
 * Check if actually logged in user is member or owner of workspace.
 * @author Michal Bocek
 * @since 1.0.0
 */
public class WorkspaceMemberOrOwnerPermission implements Permission {

    @Setter
    private WorkspaceRepository workspaceRepository;

    /* (non-Javadoc)
     * @see org.sharetask.security.Permission#isAllowed(org.springframework.security.core.Authentication,
     * java.lang.Object)
     */
    @Override
    public boolean isAllowed(final Authentication authentication, final Object targetDomainObject) {
        boolean result;
        Assert.isTrue(isAuthenticated(authentication), "UserAuthentication is not authenticated!");
        Assert.isTrue(targetDomainObject instanceof Long);
        final Long workspaceId = (Long) targetDomainObject;
        final String userName = authentication.getName();
        final Workspace workspace = workspaceRepository.read(workspaceId);
        if (isWorkspaceOwner(workspace, userName)) {
            result = true;
        } else if (isWorkspaceMember(workspace, userName)) {
            result = true;
        } else {
            result = false;
        }
        return result;
    }

    private boolean isWorkspaceMember(final Workspace workspace, final String userName) {
        boolean result = false;
        for (final UserInformation member : workspace.getMembers()) {
            if (member.getUsername().equals(userName)) {
                result = true;
                break;
            }
        }
        return result;
    }

    private boolean isAuthenticated(final Authentication authentication) {
        return authentication != null
                && authentication.getAuthorities().contains(new SimpleGrantedAuthority("ROLE_USER"));
    }

    private boolean isWorkspaceOwner(final Workspace workspace, final String userName) {
        return workspace.getOwner().getUsername().equals(userName);
    }
}