Authentication failed while subscribing to sharepoint web service using ksoap2-android

Question

I am writing an Android application that will use the getlist () method of lists.amx service in sharepoint 2010. I use ksoap2-android to process my soap messages. When I try to authenticate, I get the xmlpullparser exception expected by START_TAG ... Why won't the following code authenticate to the sharepoint server?

Here is my code:

public class SharepointList extends Activity { private static final String SOAP_ACTION = "http://schemas.microsoft.com/sharepoint/soap/GetList"; private static final String METHOD_NAME = "GetList"; private static final String NAMESPACE = "http://schemas.microsoft.com/sharepoint/soap/" ; private static final String URL = "http://<ip of sharepoint server>/_vti_bin/lists.asmx"; private TextView result; private Button btnSubmit; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); result = (TextView)findViewById(R.id.textView1); btnSubmit = (Button)findViewById(R.id.button1); btnSubmit.setOnClickListener(new OnClickListener(){ public void onClick(View v) { if(v.getId() == R.id.button1) { String list = getMobileTestList(); result.setText(list); } } }); } private String getMobileTestList() { PropertyInfo pi = new PropertyInfo(); pi.setName("listName"); pi.setValue("Mobile Test List"); SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME); request.addProperty(pi); String authentication = android.util.Base64.encodeToString("username:password".getBytes(), android.util.Base64.DEFAULT); List<HeaderProperty> headers = new ArrayList<HeaderProperty>(); headers.add(new HeaderProperty("Authorization","Basic " +authentication)); SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11); envelope.dotNet = true; envelope.setOutputSoapObject(request); HttpTransportSE transport = new HttpTransportSE(URL); try { transport.debug = true; transport.call(SOAP_ACTION, envelope, headers); //transport.call(SOAP_ACTION, envelope); Object result = envelope.getResponse(); return result.toString(); } catch(Exception e) { return e.toString(); } } } 

The following is the transport information .requestdump (preceeding '<' removed):

• v: Envelope xmlns: i = "http://www.w3.org/2001/XMLSchema-instance" xmlns: d = "http://www.w3.org/2001/XMLSchema" xmlns: c = "http: //schemas.xmlsoap.org/soap/encoding/ "xmlns: v =" http://schemas.xmlsoap.org/soap/envelope/ ">
  • v: Title / ">
  • v: Body>
    • GetList xmlns = "http://schemas.microsoft.com/sharepoint/soap/" id = "o0" c: root = "1">
      • listName i: type = "d: string"> List of mobile tests
  • / Getlist>
  • / v: Body>
• / v: Envelope>

Here is the transport. responsedump (preceeding '<' removed):

• ! DOCTYPE HTML PUBLIC "- // W3C // DTD HTML 4.01 // EN" "http://www.w3.org/TR/html4/strict.dtd">
  • HTML>
  • HEAD>
    • TITLE> Invalid request
    • META HTTP-EQUIV = "Content-Type" Content = "text / html; charset = us-ascii">
  • / HEAD>
  • BODY>
    • h2> Invalid request - invalid host name
    • hr> p> HTTP 400 error. Invalid request host name.
  • / Body>
• / Html>

Answer 1

Perhaps try the following:

 String authentication = android.util.Base64.encodeToString("username:password".getBytes(), android.util.Base64.NO_WRAP); 

By default, Android Base64 util adds a newline to the end of the encoded string. This invalidates the HTTP headers and causes a Bad Request.

The Base64.NO_WRAP flag prevents this and keeps the headers in tact.