org.mitre.uma.service.impl.DefaultPermissionService.java Source code

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Here is the source code for org.mitre.uma.service.impl.DefaultPermissionService.java

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/*******************************************************************************
 * Copyright 2016 The MITRE Corporation
 *   and the MIT Internet Trust Consortium
 *
 * 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.
 *******************************************************************************/

package org.mitre.uma.service.impl;

import java.sql.Date;
import java.util.Set;
import java.util.UUID;

import org.mitre.oauth2.service.SystemScopeService;
import org.mitre.uma.model.Permission;
import org.mitre.uma.model.PermissionTicket;
import org.mitre.uma.model.ResourceSet;
import org.mitre.uma.repository.PermissionRepository;
import org.mitre.uma.service.PermissionService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.oauth2.common.exceptions.InsufficientScopeException;
import org.springframework.stereotype.Service;

/**
 * @author jricher
 *
 */
@Service
public class DefaultPermissionService implements PermissionService {

    @Autowired
    private PermissionRepository repository;

    @Autowired
    private SystemScopeService scopeService;

    private Long permissionExpirationSeconds = 60L * 60L; // 1 hr

    /* (non-Javadoc)
     * @see org.mitre.uma.service.PermissionService#create(org.mitre.uma.model.ResourceSet, java.util.Set)
     */
    @Override
    public PermissionTicket createTicket(ResourceSet resourceSet, Set<String> scopes) {

        // check to ensure that the scopes requested are a subset of those in the resource set

        if (!scopeService.scopesMatch(resourceSet.getScopes(), scopes)) {
            throw new InsufficientScopeException("Scopes of resource set are not enough for requested permission.");
        }

        Permission perm = new Permission();
        perm.setResourceSet(resourceSet);
        perm.setScopes(scopes);

        PermissionTicket ticket = new PermissionTicket();
        ticket.setPermission(perm);
        ticket.setTicket(UUID.randomUUID().toString());
        ticket.setExpiration(new Date(System.currentTimeMillis() + permissionExpirationSeconds * 1000L));

        return repository.save(ticket);

    }

    /* (non-Javadoc)
     * @see org.mitre.uma.service.PermissionService#getByTicket(java.lang.String)
     */
    @Override
    public PermissionTicket getByTicket(String ticket) {
        return repository.getByTicket(ticket);
    }

    /* (non-Javadoc)
     * @see org.mitre.uma.service.PermissionService#updateTicket(org.mitre.uma.model.PermissionTicket)
     */
    @Override
    public PermissionTicket updateTicket(PermissionTicket ticket) {
        if (ticket.getId() != null) {
            return repository.save(ticket);
        } else {
            return null;
        }

    }

}