/*
 * Copyright 2017 Anton Tananaev (anton@traccar.org)
 *
 * 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.traccar.database;

import javax.naming.Context;
import javax.naming.NamingException;
import javax.naming.directory.InitialDirContext;
import java.util.Hashtable;

public class LdapProvider {

    private String url;
    private String context;

    public LdapProvider(String url, String context) {
        this.url = url;
        this.context = context;
    }

    public boolean login(String username, String password) {

        Hashtable<String, String> env = new Hashtable<>();
        env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
        env.put(Context.PROVIDER_URL, url);

        env.put(Context.SECURITY_AUTHENTICATION, "simple");
        env.put(Context.SECURITY_PRINCIPAL, "uid=" + username + "," + context);
        env.put(Context.SECURITY_CREDENTIALS, password);

        try {
            new InitialDirContext(env).close();
            return true;
        } catch (NamingException e) {
            return false;
        }
    }

}