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      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 
     17 package android.net.http;
     18 
     19 import com.google.mockwebserver.MockResponse;
     20 import com.google.mockwebserver.MockWebServer;
     21 import com.google.mockwebserver.SocketPolicy;
     22 import static com.google.mockwebserver.SocketPolicy.DISCONNECT_AT_END;
     23 import static com.google.mockwebserver.SocketPolicy.SHUTDOWN_INPUT_AT_END;
     24 import static com.google.mockwebserver.SocketPolicy.SHUTDOWN_OUTPUT_AT_END;
     25 import java.io.IOException;
     26 import java.io.InputStreamReader;
     27 import java.io.Reader;
     28 import java.io.StringWriter;
     29 import junit.framework.TestCase;
     30 import org.apache.http.HttpResponse;
     31 import org.apache.http.auth.AuthenticationException;
     32 import org.apache.http.auth.UsernamePasswordCredentials;
     33 import org.apache.http.client.methods.HttpGet;
     34 import org.apache.http.impl.auth.DigestScheme;
     35 import org.apache.http.impl.client.DefaultHttpClient;
     36 import org.apache.http.message.BasicHeader;
     37 
     38 /**
     39  * Tests for various regressions and problems with DefaultHttpClient. This is
     40  * not a comprehensive test!
     41  */
     42 public 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