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Java example source code file (TestClientAuthentication.java)

This example source code file (TestClientAuthentication.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java tags/keywords

authhandler, authscope, basichttpprocessor, defaulthttpclient, exception, httpentity, httpget, httppost, httpresponse, io, string, stringentity, testclientauthentication, testcredentialsprovider, usernamepasswordcredentials

The TestClientAuthentication.java example source code

/*
 * ====================================================================
 *
 *  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.apache.http.impl.client;

import java.io.ByteArrayInputStream;
import java.io.IOException;

import junit.framework.Test;
import junit.framework.TestSuite;

import org.apache.http.HttpEntity;
import org.apache.http.HttpException;
import org.apache.http.HttpRequest;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.Credentials;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.client.NonRepeatableRequestException;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.InputStreamEntity;
import org.apache.http.entity.StringEntity;
import org.apache.http.localserver.BasicServerTestBase;
import org.apache.http.localserver.LocalTestServer;
import org.apache.http.localserver.RequestBasicAuth;
import org.apache.http.localserver.ResponseBasicUnauthorized;
import org.apache.http.protocol.BasicHttpProcessor;
import org.apache.http.protocol.HTTP;
import org.apache.http.protocol.HttpContext;
import org.apache.http.protocol.HttpRequestHandler;
import org.apache.http.protocol.ResponseConnControl;
import org.apache.http.protocol.ResponseContent;
import org.apache.http.protocol.ResponseDate;
import org.apache.http.protocol.ResponseServer;

/**
 * Unit tests for automatic client authentication.
 */
public class TestClientAuthentication extends BasicServerTestBase {

    public TestClientAuthentication(final String testName) {
        super(testName);
    }

    public static void main(String args[]) {
        String[] testCaseName = { TestClientAuthentication.class.getName() };
        junit.textui.TestRunner.main(testCaseName);
    }

    public static Test suite() {
        return new TestSuite(TestClientAuthentication.class);
    }

    @Override
    protected void setUp() throws Exception {
        BasicHttpProcessor httpproc = new BasicHttpProcessor();
        httpproc.addInterceptor(new ResponseDate());
        httpproc.addInterceptor(new ResponseServer());
        httpproc.addInterceptor(new ResponseContent());
        httpproc.addInterceptor(new ResponseConnControl());
        httpproc.addInterceptor(new RequestBasicAuth());
        httpproc.addInterceptor(new ResponseBasicUnauthorized());
        
        localServer = new LocalTestServer(httpproc, null);
    }
    
    static class AuthHandler implements HttpRequestHandler {

        public void handle(
                final HttpRequest request, 
                final HttpResponse response, 
                final HttpContext context) throws HttpException, IOException {
            String creds = (String) context.getAttribute("creds");
            if (creds == null || !creds.equals("test:test")) {
                response.setStatusCode(HttpStatus.SC_UNAUTHORIZED);
            } else {
                response.setStatusCode(HttpStatus.SC_OK);
                StringEntity entity = new StringEntity("success", HTTP.ASCII);
                response.setEntity(entity);
            }
        }
        
    }
    
    static class TestCredentialsProvider implements CredentialsProvider {

        private final Credentials creds;
        private AuthScope authscope;
        
        TestCredentialsProvider(final Credentials creds) {
            super();
            this.creds = creds;
        }
        
        public void clear() {
        }

        public Credentials getCredentials(AuthScope authscope) {
            this.authscope = authscope;
            return this.creds;
        }

        public void setCredentials(AuthScope authscope, Credentials credentials) {
        }
        
        public AuthScope getAuthScope() {
            return this.authscope;
        }
        
    }
    
    public void testBasicAuthenticationNoCreds() throws Exception {
        localServer.register("*", new AuthHandler());
        localServer.start();
        
        TestCredentialsProvider credsProvider = new TestCredentialsProvider(null);
        
        DefaultHttpClient httpclient = new DefaultHttpClient();
        httpclient.setCredentialsProvider(credsProvider);
        
        HttpGet httpget = new HttpGet("/");
        
        HttpResponse response = httpclient.execute(getServerHttp(), httpget);
        HttpEntity entity = response.getEntity();
        assertEquals(HttpStatus.SC_UNAUTHORIZED, response.getStatusLine().getStatusCode());
        assertNotNull(entity);
        entity.consumeContent();
        AuthScope authscope = credsProvider.getAuthScope();
        assertNotNull(authscope);
        assertEquals("test realm", authscope.getRealm());
    }
    
    public void testBasicAuthenticationFailure() throws Exception {
        localServer.register("*", new AuthHandler());
        localServer.start();
        
        TestCredentialsProvider credsProvider = new TestCredentialsProvider(
                new UsernamePasswordCredentials("test", "all-wrong"));
        
        DefaultHttpClient httpclient = new DefaultHttpClient();
        httpclient.setCredentialsProvider(credsProvider);
        
        HttpGet httpget = new HttpGet("/");
        
        HttpResponse response = httpclient.execute(getServerHttp(), httpget);
        HttpEntity entity = response.getEntity();
        assertEquals(HttpStatus.SC_UNAUTHORIZED, response.getStatusLine().getStatusCode());
        assertNotNull(entity);
        entity.consumeContent();
        AuthScope authscope = credsProvider.getAuthScope();
        assertNotNull(authscope);
        assertEquals("test realm", authscope.getRealm());
    }
    
    public void testBasicAuthenticationSuccess() throws Exception {
        localServer.register("*", new AuthHandler());
        localServer.start();
        
        TestCredentialsProvider credsProvider = new TestCredentialsProvider(
                new UsernamePasswordCredentials("test", "test"));
        
        DefaultHttpClient httpclient = new DefaultHttpClient();
        httpclient.setCredentialsProvider(credsProvider);
        
        HttpGet httpget = new HttpGet("/");
        
        HttpResponse response = httpclient.execute(getServerHttp(), httpget);
        HttpEntity entity = response.getEntity();
        assertEquals(HttpStatus.SC_OK, response.getStatusLine().getStatusCode());
        assertNotNull(entity);
        entity.consumeContent();
        AuthScope authscope = credsProvider.getAuthScope();
        assertNotNull(authscope);
        assertEquals("test realm", authscope.getRealm());
    }

    public void testBasicAuthenticationSuccessOnRepeatablePost() throws Exception {
        localServer.register("*", new AuthHandler());
        localServer.start();
        
        TestCredentialsProvider credsProvider = new TestCredentialsProvider(
                new UsernamePasswordCredentials("test", "test"));
        
        DefaultHttpClient httpclient = new DefaultHttpClient();
        httpclient.setCredentialsProvider(credsProvider);
        
        HttpPost httppost = new HttpPost("/");
        httppost.setEntity(new StringEntity("some important stuff", HTTP.ISO_8859_1));
        
        HttpResponse response = httpclient.execute(getServerHttp(), httppost);
        HttpEntity entity = response.getEntity();
        assertEquals(HttpStatus.SC_OK, response.getStatusLine().getStatusCode());
        assertNotNull(entity);
        entity.consumeContent();
        AuthScope authscope = credsProvider.getAuthScope();
        assertNotNull(authscope);
        assertEquals("test realm", authscope.getRealm());
    }

    public void testBasicAuthenticationFailureOnNonRepeatablePost() throws Exception {
        localServer.register("*", new AuthHandler());
        localServer.start();
        
        TestCredentialsProvider credsProvider = new TestCredentialsProvider(
                new UsernamePasswordCredentials("test", "test"));
        
        DefaultHttpClient httpclient = new DefaultHttpClient();
        httpclient.setCredentialsProvider(credsProvider);
        
        HttpPost httppost = new HttpPost("/");
        httppost.setEntity(new InputStreamEntity(
                new ByteArrayInputStream(
                        new byte[] { 0,1,2,3,4,5,6,7,8,9 }), -1));
        
        try {
            httpclient.execute(getServerHttp(), httppost);
            fail("ClientProtocolException should have been thrown");
        } catch (ClientProtocolException ex) {
            Throwable cause = ex.getCause();
            assertNotNull(cause);
            assertTrue(cause instanceof NonRepeatableRequestException);
        }
    }

}

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