com.spotify.helios.authentication.crtauth.CrtAuthenticator.java Source code

Introduction

Here is the source code for com.spotify.helios.authentication.crtauth.CrtAuthenticator.java

Source

/*
 * Copyright (c) 2015 Spotify AB.
 *
 * 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 com.spotify.helios.authentication.crtauth;

import com.google.common.base.Optional;

import com.spotify.crtauth.CrtAuthServer;
import com.spotify.helios.authentication.User;

import io.dropwizard.auth.Authenticator;

public class CrtAuthenticator implements Authenticator<String, User> {

    private final CrtAuthServer crtAuthServer;

    public CrtAuthenticator(final CrtAuthServer crtAuthServer) {
        this.crtAuthServer = crtAuthServer;
    }

    @Override
    public Optional<User> authenticate(final String token) {
        final String username;
        try {
            final String[] tokenParts = token.split(":");
            if (tokenParts.length == 2) {
                username = crtAuthServer.validateToken(tokenParts[1]);
                return Optional.of(new User(username));
            }
        } catch (Exception e) {
            return Optional.absent();
        }
        return Optional.absent();
    }
}