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

Go to download
/*
 * 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 java.util.Optional;

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

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

    /**
     * If the idToken is valid and has the right claims, it returns the principal,
     * otherwise is returns an empty optional.
     *
     * @param idToken idToken from authorization server
     * @return an optional principal
     */
    @Override
    public Optional authenticate(String idToken)
            throws AuthenticationException
    {
        String userIdField = formAuthManager.getUserIdField();
        return formAuthManager
                .getClaimsFromIdToken(idToken)
                .map(c -> c.get(userIdField))
                .map(Object::toString)
                .map(s -> s.replace("\"", ""))
                .map(sub -> new LbPrincipal(sub, authorizationManager.getPrivileges(sub)));
    }
}