Android Open Source - Swinedroid Request

• Back to Timer/monitor  ↑

From Project

Back to project page Swinedroid.

License

The source code is released under:

GNU General Public License

Java Source Code

package com.legind.swinedroid.RequestService;
/*from  www .  j  a  va 2  s  .c  o m*/
import java.io.IOException;
import java.net.MalformedURLException;
import java.security.KeyManagementException;
import java.util.ArrayList;
import java.util.ListIterator;

import android.app.Service;
import android.content.Intent;
import android.database.Cursor;
import android.os.Binder;
import android.os.IBinder;
import android.util.Log;

import com.legind.sqlite.ServerDbAdapter;
import com.legind.ssl.CertificateInspect.CertificateInspect;
import com.legind.web.WebTransport.WebTransport;
import com.legind.web.WebTransport.WebTransportException;

public class Request extends Service{
  private static final String LOG_TAG = "com.legind.swinedroid.RequestService";
  private ServerDbAdapter mDbHelper;
  public static final String ROW_ID_TAG = "row_id";
  private ArrayList <RequestElement> requestList;
  private RequestElement mCurrentRequestElement;
  private String mLastServerCertMD5;
  private String mLastServerCertSHA1;
  
  
  public class RequestBinder extends Binder{
    public Request getService(){
      return Request.this;
    }
  }
  
    @Override
    public void onCreate() {
    requestList = new ArrayList<RequestElement>();
    mDbHelper = new ServerDbAdapter(this);
    mDbHelper.open();
  }

    @Override
  public void onStart(Intent intent, int startId) {
    Long rowId = intent.getExtras().getLong(ROW_ID_TAG);
    
    Boolean foundRequestElement = false;
      ListIterator<RequestElement> requestListIterator = requestList.listIterator();
      while(requestListIterator.hasNext()){
        mCurrentRequestElement = requestListIterator.next();
        if(mCurrentRequestElement.mRowId == rowId){
          foundRequestElement = true;
          break;
        }
      }
      if(!foundRequestElement){
        requestListIterator.add(new RequestElement());
        mCurrentRequestElement = requestListIterator.previous();
        mCurrentRequestElement.mRowId = rowId;
      }
    
    if (mCurrentRequestElement.mRowId != null) {
      /* TODO: Make it unnecessary to retrieve this information each onStart */
      Cursor server = mDbHelper.fetch(mCurrentRequestElement.mRowId);
      mCurrentRequestElement.mHostText = server.getString(server
          .getColumnIndexOrThrow(ServerDbAdapter.KEY_HOST));
      mCurrentRequestElement.mPortInt = server.getInt(server
          .getColumnIndexOrThrow(ServerDbAdapter.KEY_PORT));
      mCurrentRequestElement.mUsernameText = server.getString(server
          .getColumnIndexOrThrow(ServerDbAdapter.KEY_USERNAME));
      mCurrentRequestElement.mPasswordText = server.getString(server
          .getColumnIndexOrThrow(ServerDbAdapter.KEY_PASSWORD));
      fetchServerHashes(server);
    }
  
    
    }
    
    public void fetchServerHashes(){
      Cursor server = mDbHelper.fetch(mCurrentRequestElement.mRowId);
      fetchServerHashes(server);
    }
    
    public void fetchServerHashes(Cursor server){
    mCurrentRequestElement.mMD5 = server.getString(server
        .getColumnIndexOrThrow(ServerDbAdapter.KEY_MD5));
    mCurrentRequestElement.mSHA1 = server.getString(server
        .getColumnIndexOrThrow(ServerDbAdapter.KEY_SHA1));
    }
    
  /* Creates a webtransportconnection if one does not already exist for the given RequestElement */
  public void openWebTransportConnection() throws IOException{
    if(mCurrentRequestElement.webtransportconnection == null){
      try{
        mCurrentRequestElement.webtransportconnection = new WebTransport("https://" + mCurrentRequestElement.mHostText + ":" + Integer.toString(mCurrentRequestElement.mPortInt) + "/").getConnection();
        mCurrentRequestElement.webtransportconnection.open();
      } catch(MalformedURLException e){
        Log.e(LOG_TAG,e.toString());
      } catch (WebTransportException e){
        Log.e(LOG_TAG,e.toString());
      } catch (KeyManagementException e){
        Log.e(LOG_TAG,e.toString());
      } catch (IOException e){
        mCurrentRequestElement.webtransportconnection = null;
        throw new IOException();
      }
    }
  }
  
  public void closeWebTransportConnection(){
    if(mCurrentRequestElement.webtransportconnection != null){
      mCurrentRequestElement.webtransportconnection.close();
      mCurrentRequestElement.webtransportconnection = null;
    }
  }
  
  /* 
   * Returns whether the md5 and sha1 hashes match those we have stored, and thus whether the certificate is valid 
   * @return whether the certificate is valid
   */
    public Boolean inspectCertificate(){
    CertificateInspect serverCertificateInspect = new CertificateInspect(mCurrentRequestElement.webtransportconnection.getServerCertificate());
    mLastServerCertMD5 = serverCertificateInspect.generateFingerprint("MD5");
    mLastServerCertSHA1 = serverCertificateInspect.generateFingerprint("SHA1"); 
    if(!mLastServerCertSHA1.equals(mCurrentRequestElement.mSHA1) || !mLastServerCertMD5.equals(mCurrentRequestElement.mMD5)){
      mCurrentRequestElement.webtransportconnection = null;
      return false;
    }
    return true;
    }
    
    /*
     * 
     */
    /*
    public void displayCertificateDialog(Context ctx){
      ctx.
      Intent i = new Intent(ctx, ServerHashDialog.class);
      i.putExtra("SHA1", mLastServerCertSHA1);
      i.putExtra("MD5", mLastServerCertMD5);
      i.putExtra("CERT_INVALID", (mLastServerCertSHA1 == null && mLastServerCertMD5 == null ? false : true));
      startActivity(i);
      
    }*/
  
  /* Make a request, return the document response in string form
   * @param call the call request to pass to the webtransportconnection
   * @param extra_parameters a ampersand-seperated list of extra parameters for the call
   */
  public String makeRequest(String call, String extra_parameters) throws IOException, WebTransportException{
    String[] webrequest = {
      "GET /?username=" + mCurrentRequestElement.mUsernameText + "&password=" + mCurrentRequestElement.mPasswordText + "&call=" + call + (extra_parameters != "" ? "&" + extra_parameters : "") + " HTTP/1.1",
      "Host: " + mCurrentRequestElement.mHostText + ":" + Integer.toString(mCurrentRequestElement.mPortInt), "User-Agent: Swinedroid","Keep-Alive: 300","Connection: keep-alive"};
    mCurrentRequestElement.webtransportconnection.sendRequest(webrequest);
    mCurrentRequestElement.webtransportconnection.handleHeaders();
    mCurrentRequestElement.webtransportconnection.handleDocument();
    return mCurrentRequestElement.webtransportconnection.getLastDocument();
  }
    
    @Override
    public void onDestroy() {
    mDbHelper.close();
    }

  @Override
  public IBinder onBind(Intent intent) {
        return mBinder;
  }
  
  public final IBinder mBinder = new RequestBinder();
  
  public String getCurrentHost(){
    return mCurrentRequestElement.mHostText;
  }

  /* TODO: Remove getter md5 and sha1 methods, move ServerHashDialog handling to Request service */
  public String getLastServerCertMD5(){
    return mLastServerCertMD5;
  }
  public String getLastServerCertSHA1(){
    return mLastServerCertSHA1;
  }
}

Java Source Code List

• Back to Timer/monitor  ↑