io.trino.gateway.ha.security.ApiAuthenticator Maven / Gradle / Ivy

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/*
 * 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 io.trino.gateway.ha.security;

import io.dropwizard.auth.AuthenticationException;
import io.dropwizard.auth.Authenticator;
import io.dropwizard.auth.basic.BasicCredentials;

import java.util.Optional;

public class ApiAuthenticator
        implements Authenticator
{
    private final LbFormAuthManager formAuthManager;
    private final AuthorizationManager authorizationManager;

    public ApiAuthenticator(LbFormAuthManager formAuthManager,
            AuthorizationManager authorizationManager)
    {
        this.formAuthManager = formAuthManager;
        this.authorizationManager = authorizationManager;
    }

    @Override
    public Optional authenticate(BasicCredentials credentials)
            throws AuthenticationException
    {
        if (formAuthManager.authenticate(credentials)) {
            return Optional.of(new LbPrincipal(credentials.getUsername(),
                    authorizationManager.getPrivileges(credentials.getUsername())));
        }
        return Optional.empty();
    }
}