1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.net.http;
18
19import com.google.mockwebserver.MockResponse;
20import com.google.mockwebserver.MockWebServer;
21import com.google.mockwebserver.SocketPolicy;
22import static com.google.mockwebserver.SocketPolicy.DISCONNECT_AT_END;
23import static com.google.mockwebserver.SocketPolicy.SHUTDOWN_INPUT_AT_END;
24import static com.google.mockwebserver.SocketPolicy.SHUTDOWN_OUTPUT_AT_END;
25import java.io.IOException;
26import java.io.InputStreamReader;
27import java.io.Reader;
28import java.io.StringWriter;
29import junit.framework.TestCase;
30import org.apache.http.HttpResponse;
31import org.apache.http.auth.AuthenticationException;
32import org.apache.http.auth.UsernamePasswordCredentials;
33import org.apache.http.client.methods.HttpGet;
34import org.apache.http.impl.auth.DigestScheme;
35import org.apache.http.impl.client.DefaultHttpClient;
36import org.apache.http.message.BasicHeader;
37
38/**
39 * Tests for various regressions and problems with DefaultHttpClient. This is
40 * not a comprehensive test!
41 */
42public final class DefaultHttpClientTest extends TestCase {
43
44    private MockWebServer server = new MockWebServer();
45
46    @Override protected void tearDown() throws Exception {
47        server.shutdown();
48        super.tearDown();
49    }
50
51    public void testServerClosesSocket() throws Exception {
52        testServerClosesOutput(DISCONNECT_AT_END);
53    }
54
55    public void testServerShutdownInput() throws Exception {
56        testServerClosesOutput(SHUTDOWN_INPUT_AT_END);
57    }
58
59    /**
60     * DefaultHttpClient fails if the server shutdown the output after the
61     * response was sent. http://b/2612240
62     */
63    public void testServerShutdownOutput() throws Exception {
64        testServerClosesOutput(SHUTDOWN_OUTPUT_AT_END);
65    }
66
67    private void testServerClosesOutput(SocketPolicy socketPolicy) throws Exception {
68        server.enqueue(new MockResponse()
69                .setBody("This connection won't pool properly")
70                .setSocketPolicy(socketPolicy));
71        server.enqueue(new MockResponse()
72                .setBody("This comes after a busted connection"));
73        server.play();
74
75        DefaultHttpClient client = new DefaultHttpClient();
76
77        HttpResponse a = client.execute(new HttpGet(server.getUrl("/a").toURI()));
78        assertEquals("This connection won't pool properly", contentToString(a));
79        assertEquals(0, server.takeRequest().getSequenceNumber());
80
81        HttpResponse b = client.execute(new HttpGet(server.getUrl("/b").toURI()));
82        assertEquals("This comes after a busted connection", contentToString(b));
83        // sequence number 0 means the HTTP socket connection was not reused
84        assertEquals(0, server.takeRequest().getSequenceNumber());
85    }
86
87    private String contentToString(HttpResponse response) throws IOException {
88        StringWriter writer = new StringWriter();
89        char[] buffer = new char[1024];
90        Reader reader = new InputStreamReader(response.getEntity().getContent());
91        int length;
92        while ((length = reader.read(buffer)) != -1) {
93            writer.write(buffer, 0, length);
94        }
95        reader.close();
96        return writer.toString();
97    }
98
99    // http://code.google.com/p/android/issues/detail?id=16051
100    public void testDigestSchemeAlgorithms() throws Exception {
101        authenticateDigestAlgorithm("MD5");
102        authenticateDigestAlgorithm("MD5-sess");
103        authenticateDigestAlgorithm("md5");
104        authenticateDigestAlgorithm("md5-sess");
105        authenticateDigestAlgorithm("md5-SESS");
106        authenticateDigestAlgorithm("MD5-SESS");
107        try {
108            authenticateDigestAlgorithm("MD5-");
109        } catch (AuthenticationException expected) {
110        }
111        try {
112            authenticateDigestAlgorithm("MD6");
113        } catch (AuthenticationException expected) {
114        }
115        try {
116            authenticateDigestAlgorithm("MD");
117        } catch (AuthenticationException expected) {
118        }
119        try {
120            authenticateDigestAlgorithm("");
121        } catch (AuthenticationException expected) {
122        }
123    }
124
125    private void authenticateDigestAlgorithm(String algorithm) throws Exception {
126        String challenge = "Digest realm=\"protected area\", "
127                + "nonce=\"dcd98b7102dd2f0e8b11d0f600bfb0c093\", "
128                + "algorithm=" + algorithm;
129        DigestScheme digestScheme = new DigestScheme();
130        digestScheme.processChallenge(new BasicHeader("WWW-Authenticate", challenge));
131        HttpGet get = new HttpGet();
132        digestScheme.authenticate(new UsernamePasswordCredentials("username", "password"), get);
133    }
134}
135