org.ege.httpclient.ClientAuthentication.java Source code

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/*
 * ====================================================================
 * 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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 */
package org.ege.httpclient;

import org.apache.http.auth.AuthSchemeProvider;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.client.config.AuthSchemes;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.config.Lookup;
import org.apache.http.config.RegistryBuilder;
import org.apache.http.impl.auth.BasicSchemeFactory;
import org.apache.http.impl.auth.SPNegoSchemeFactory;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

/**
 * A simple example that uses HttpClient to execute an HTTP request against
 * a target site that requires user authentication.
 */
public class ClientAuthentication {

    public static void main(String[] args) throws Exception {
        CredentialsProvider credsProvider = new BasicCredentialsProvider();
        credsProvider.setCredentials(new AuthScope(null, -1), new UsernamePasswordCredentials("alice", "alice"));

        Lookup<AuthSchemeProvider> basicAuthSchemeRegistry = RegistryBuilder.<AuthSchemeProvider>create()
                .register(AuthSchemes.BASIC, new BasicSchemeFactory()).build();
        Lookup<AuthSchemeProvider> spnegoAuthSchemeRegistry = RegistryBuilder.<AuthSchemeProvider>create()
                .register(AuthSchemes.SPNEGO, new SPNegoSchemeFactory(true)).build();

        CloseableHttpClient httpclient = HttpClients.custom().setDefaultCredentialsProvider(credsProvider)
                .setDefaultAuthSchemeRegistry(spnegoAuthSchemeRegistry).build();

        //Lookup<AuthSchemeProvider> authProviders = RegistryBuilder.<AuthSchemeProvider>create().register(AuthSchemes.BASIC, new BasicSchemeFactory()).build();
        //Lookup<AuthSchemeProvider> authRegistry = <...>

        //HttpClientContext context = HttpClientContext.create();
        //context.setCredentialsProvider(credsProvider);
        //context.setAuthSchemeRegistry(authRegistry);

        try {
            HttpGet httpget = new HttpGet("http://lcom501d/hooks/hdr.cgi");

            System.out.println("Executing request " + httpget.getRequestLine());
            CloseableHttpResponse response = httpclient.execute(httpget);
            try {
                System.out.println("----------------------------------------");
                System.out.println(response.getStatusLine());
                EntityUtils.consume(response.getEntity());
            } finally {
                response.close();
            }
        } finally {
            httpclient.close();
        }
    }
}