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- public class Login extends Activity {
- //URL to get JSON Array
- private static String url = "http://*************/webservice.php?operation=getchallenge&username=admin";
- //JSON Node Names
- private static final String TAG_RESULT = "result";
- private static final String TAG_TOKEN = "token";
- // contacts JSONArray
- JSONArray contacts = null;
- String token = null;
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.login);
- if (android.os.Build.VERSION.SDK_INT > 9) {
- StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
- StrictMode.setThreadPolicy(policy);
- }
- new AsyncTask<Void, Void, Void>() {
- @SuppressWarnings("unused")
- JSONObject result;
- @Override
- protected Void doInBackground(Void... params) {
- // Creating new JSON Parser
- JSONParser jParser = new JSONParser();
- // Getting JSON from URL
- JSONObject json = jParser.getJSONFromUrl(url);
- try {
- // Getting JSON Array
- result = json.getJSONObject(TAG_RESULT);
- JSONObject json_result = json.getJSONObject(TAG_RESULT);
- // Storing JSON item in a Variable
- token = json_result.getString(TAG_TOKEN);
- //Importing TextView
- } catch (JSONException e) {
- e.printStackTrace();
- }
- String username="admin";
- String accesskeyvalue = "**************";
- String accessKey=md5(token + accesskeyvalue);
- String data = null;
- try {
- data = URLEncoder.encode("username", "UTF-8")
- + "=" + URLEncoder.encode(username, "UTF-8");
- data += "&" + URLEncoder.encode("accessKey", "UTF-8") + "="
- + URLEncoder.encode(accessKey, "UTF-8");
- } catch (UnsupportedEncodingException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- }
- String text = "";
- BufferedReader reader=null;
- System.out.println(data);
- // Send data
- try
- {
- // Defined URL where to send data
- URL url = new URL("http://***************/webservice.php?operation=login");
- // Send POST data request
- URLConnection conn = url.openConnection();
- conn.setDoOutput(true);
- OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
- wr.write( data );
- wr.flush();
- // Get the server response
- reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
- StringBuilder sb = new StringBuilder();
- String line = null;
- // Read Server Response
- while((line = reader.readLine()) != null)
- {
- // Append server response in string
- sb.append(line + "n");
- }
- text = sb.toString();
- }
- catch(Exception ex)
- {
- }
- finally
- {
- try
- {
- reader.close();
- }
- catch(Exception ex) {}
- }
- // Show response
- System.out.println(text);
- String sessionid = text.substring(41, 62);
- System.out.println(sessionid);
- return null;
- }
- @Override
- protected void onPostExecute(Void aVoid) {
- super.onPostExecute(aVoid);
- }
- }.execute();
- }
- public String md5(String s)
- {
- MessageDigest digest;
- try
- {
- digest = MessageDigest.getInstance("MD5");
- digest.update(s.getBytes(),0,s.length());
- String hash = new BigInteger(1, digest.digest()).toString(16);
- return hash;
- }
- catch (NoSuchAlgorithmException e)
- {
- e.printStackTrace();
- }
- return "";
- }
- public void sendMessage(View view)
- {
- Intent intent = new Intent(Login.this, Quote1.class);
- intent.putExtra("sessionId", sessionId);
- startActivity(intent);
- }
- }
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