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POgetInputStream gives FileNotFoundException during Http Digest Authentication in Android
 

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    <p>I am trying to send a POST request to a URL that has HTTP Digest authentication.</p> <p>I am using <a href="http://read.pudn.com/downloads73/sourcecode/mobile/j2me/13232/HttpClient/src/com/enterprisej2me/HttpConnections/DigestAuthHandler.java__.htm" rel="nofollow">this</a> for the Digest. I can understand that in this mechanism there are 2 steps. In the first step the client sends a request and the server responses with a challenge. In the second step the client incorporates the challenge in the request and gets the response from the server. That thing is working properly using the above mentioned class.</p> <p>I had to change HttpConnection to HttpURLConnection to make it work in Android.</p> <p>Now, I have the DataConnection class which uses the Digest Auth class to get the work done. The class is as below:</p> <pre><code>import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.net.HttpURLConnection; import java.net.URL; import org.json.JSONObject; import android.content.ContentResolver; import android.os.Build; import android.util.Log; public class DataConnection { private static DataConnection instance = null; DigestAuthHandler dah = new DigestAuthHandler("mytestusername", "myencryptedtestpassword"); public static DataConnection getInstance() throws IOException { if (instance == null) { instance = new DataConnection(); } return instance; } public HttpURLConnection getHttpConnection(String request_url) throws Exception { HttpURLConnection conn = (HttpURLConnection) new URL(request_url) .openConnection(); conn.setAllowUserInteraction(false); conn.setInstanceFollowRedirects(true); conn.setChunkedStreamingMode(0); conn.setRequestProperty("User-Agent", System.getProperty("http.agent")); conn.setRequestProperty("Content-type", "application/x-www-form-urlencoded"); conn.setRequestProperty("Accept", "application/json,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5"); conn.setRequestProperty("Accept-Charset", "UTF-8;q=0.7,*;q=0.7"); conn.setRequestProperty("Pragma", "no-cache"); conn.setRequestProperty("Cache-Control", "no-cache"); // if (Integer.parseInt(Build.VERSION.SDK) &lt; Build.VERSION_CODES.FROYO) // System.setProperty("http.keepAlive", "false"); return conn; } public String sendPost(String request_url, byte[] data) throws Exception { HttpURLConnection connection = null; InputStream is = null; OutputStream os = null; String responseData = ""; boolean reconnect = true; while (reconnect) { try { connection = getHttpConnection(request_url); dah.prepareHeaders(connection, request_url.substring(request_url.indexOf('/', 8))); connection.setRequestProperty("Content-Length", data.length + ""); connection.setDoOutput(true); // POST Method. connection.connect(); if (connection != null) { os = connection.getOutputStream(); os.write(data); os.flush(); reconnect = dah.processHeaders(connection); int responseCode = connection.getResponseCode(); String responseMessage = connection.getResponseMessage(); is = connection.getInputStream(); int responseLength = (int) connection.getContentLength(); if (responseLength != -1) { byte[] incomingData = new byte[responseLength]; is.read(incomingData); responseData = new String(incomingData); } else { ByteArrayOutputStream bytestream = new ByteArrayOutputStream(); int ch; while ((ch = is.read()) != -1) { bytestream.write(ch); } responseData = new String(bytestream.toByteArray()); bytestream.close(); } } } catch (Exception exception) { throw exception; } finally { if (connection != null) { connection.disconnect(); } if (os != null) { os.close(); } if (is != null) { is.close(); } } } try { JSONObject responseJson = new JSONObject(responseData); Integer status = (Integer) responseJson.get("status"); int val = status.intValue(); if (val == 999999) { Log.e("Error 99999", "Client application must be upgraded."); } } catch (Exception e) { e.printStackTrace(); } return responseData; } } </code></pre> <p>Here, I get <code>FileNotFoundException</code> for the URL during <code>getInputStream()</code> method call. I have verified many times that the URL I'm requesting and the credentials for Digest Auth is 100% correct.</p> <p>Please Help.</p> <p>Regards.</p>
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