com.nike.cerberus.endpoints.authentication.RefreshUserToken.java Source code

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Here is the source code for com.nike.cerberus.endpoints.authentication.RefreshUserToken.java

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/*
 * Copyright (c) 2016 Nike, Inc.
 *
 * 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 com.nike.cerberus.endpoints.authentication;

import com.nike.backstopper.exception.ApiException;
import com.nike.cerberus.auth.connector.AuthResponse;
import com.nike.cerberus.error.DefaultApiError;
import com.nike.cerberus.security.CmsRequestSecurityValidator;
import com.nike.cerberus.security.VaultAuthPrincipal;
import com.nike.cerberus.service.AuthenticationService;
import com.nike.riposte.server.http.RequestInfo;
import com.nike.riposte.server.http.ResponseInfo;
import com.nike.riposte.server.http.StandardEndpoint;
import com.nike.riposte.util.Matcher;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.http.HttpMethod;

import javax.inject.Inject;
import javax.ws.rs.core.SecurityContext;
import java.util.Optional;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.Executor;

/**
 * Authentication endpoint that allows refreshing the user token to pickup any permission changes.
 */
public class RefreshUserToken extends StandardEndpoint<Void, AuthResponse> {

    private final AuthenticationService authenticationService;

    @Inject
    public RefreshUserToken(final AuthenticationService authenticationService) {
        this.authenticationService = authenticationService;
    }

    @Override
    public CompletableFuture<ResponseInfo<AuthResponse>> execute(final RequestInfo<Void> request,
            final Executor longRunningTaskExecutor, final ChannelHandlerContext ctx) {
        return CompletableFuture.supplyAsync(() -> getRefreshedUserToken(request), longRunningTaskExecutor);
    }

    public ResponseInfo<AuthResponse> getRefreshedUserToken(final RequestInfo<Void> request) {
        final Optional<SecurityContext> securityContext = CmsRequestSecurityValidator
                .getSecurityContextForRequest(request);

        if (securityContext.isPresent()) {
            return ResponseInfo
                    .newBuilder(authenticationService
                            .refreshUserToken((VaultAuthPrincipal) securityContext.get().getUserPrincipal()))
                    .build();
        }

        throw ApiException.newBuilder().withApiErrors(DefaultApiError.AUTH_VAULT_TOKEN_INVALID).build();
    }

    @Override
    public Matcher requestMatcher() {
        return Matcher.match("/v2/auth/user/refresh", HttpMethod.GET);
    }
}