/*
 * Copyright 2005-2010 the original author or authors.
 * 
 * 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.wamblee.security.authorization;

import org.wamblee.security.authentication.InMemoryGroupSet;
import org.wamblee.security.authentication.InMemoryUserSet;
import org.wamblee.security.authentication.Md5HexMessageDigester;
import org.wamblee.security.authentication.RegexpNameValidator;
import org.wamblee.security.authentication.UserAccessor;
import org.wamblee.security.authentication.UserAdministration;
import org.wamblee.security.authentication.UserAdministrationImpl;
import org.wamblee.security.authentication.UserMgtException.Reason;

/**
 * User access that always returns a user that belongs to a fixed group.
 * 
 * @author Erik Brakkee
 */
public class TestUserAccessor implements UserAccessor {
    private static final String USER = "erik";

    private static final String PASSWORD = "abc123";

    private static final String GROUP = "users";

    private UserAdministration userAdmin;

    public TestUserAccessor() {
        userAdmin = new UserAdministrationImpl(new InMemoryUserSet(
            new RegexpNameValidator(RegexpNameValidator.PASSWORD_PATTERN,
                Reason.INVALID_PASSWORD,
                "Password must contain at least 6 characters"),
            new Md5HexMessageDigester()), new InMemoryGroupSet(),
            new RegexpNameValidator(RegexpNameValidator.ID_PATTERN,
                Reason.INVALID_USERNAME, "Invalid user"),
            new RegexpNameValidator(RegexpNameValidator.ID_PATTERN,
                Reason.INVALID_GROUPNAME, "Invalid group"));

        userAdmin.createGroup(GROUP);
        userAdmin.createUser(USER, PASSWORD);
        userAdmin.addUserToGroup(USER, GROUP);
    }

    // NOTE: This is only for test. Normally the user accessor would not depend
    // on user administration. This just ensures that a user administration is
    // created
    // that knows about the given user.
    public UserAdministration getUserAdmin() {
        return userAdmin;
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.wamblee.usermgt.UserAccessor#getCurrentUser()
     */
    public String getCurrentUser() {
        return USER;
    }
}