v7db.auth.MongoAuthenticationProvider.java Source code

Introduction

Here is the source code for v7db.auth.MongoAuthenticationProvider.java

Source

/**
 * Copyright (c) 2011-2012, Thilo Planz. All rights reserved.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

package v7db.auth;

import java.util.Properties;

import org.apache.commons.lang3.StringUtils;

import com.mongodb.BasicDBObject;
import com.mongodb.DBCollection;
import com.mongodb.DBObject;
import com.mongodb.Mongo;

/**
 * An AuthenticationProvider that queries a MongoDB database for authentication
 * information (in a configurable way)
 * 
 */

public class MongoAuthenticationProvider implements AuthenticationProvider {

    private final DBCollection collection;

    private final String username_field;

    private final String password_field;

    private String getRequiredProperty(Properties props, String name) {
        String v = props.getProperty(name);
        if (StringUtils.isBlank(v))
            throw new IllegalArgumentException("MongoAuthenticationProvider: missing required parameter " + name);
        return v;
    }

    public MongoAuthenticationProvider(Mongo mongo, Properties props) {
        String dbName = props.getProperty("mongo.db");
        collection = mongo.getDB(dbName).getCollection(getRequiredProperty(props, "auth.mongo.collection"));
        username_field = getRequiredProperty(props, "auth.mongo.username");
        password_field = getRequiredProperty(props, "auth.mongo.password");

    }

    public AuthenticationToken authenticate(String username, String password) {
        DBObject found = collection.findOne(new BasicDBObject(username_field, username),
                new BasicDBObject(password_field, true));
        if (found == null)
            return null;
        if (!PasswordUtil.check(password.toCharArray(), found.get(password_field)))
            return null;

        return new AuthenticationToken(username);
    }
}