src/com/owncloud/android/ui/activity/AuthenticatorActivity.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012  Bartek Przybylski
   3  *   Copyright (C) 2012-2013  ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License as published by
   7  *   the Free Software Foundation, either version 3 of the License, or
   8  *   (at your option) any later version.
   9  *
  10  *   This program is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *   GNU General Public License for more details.
  14  *
  15  *   You should have received a copy of the GNU General Public License
  16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 package com.owncloud.android.ui.activity;
  21
  22 import java.util.HashMap;
  23 import java.util.Map;
  24
  25 import com.owncloud.android.AccountUtils;
  26 import com.owncloud.android.authenticator.AccountAuthenticator;
  27 import com.owncloud.android.authenticator.oauth2.OAuth2Context;
  28 import com.owncloud.android.ui.dialog.SslValidatorDialog;
  29 import com.owncloud.android.ui.dialog.SslValidatorDialog.OnSslValidatorListener;
  30 import com.owncloud.android.utils.OwnCloudVersion;
  31 import com.owncloud.android.network.OwnCloudClientUtils;
  32 import com.owncloud.android.operations.OwnCloudServerCheckOperation;
  33 import com.owncloud.android.operations.ExistenceCheckOperation;
  34 import com.owncloud.android.operations.OAuth2GetAccessToken;
  35 import com.owncloud.android.operations.OnRemoteOperationListener;
  36 import com.owncloud.android.operations.RemoteOperation;
  37 import com.owncloud.android.operations.RemoteOperationResult;
  38
  39 import android.accounts.Account;
  40 import android.accounts.AccountAuthenticatorActivity;
  41 import android.accounts.AccountManager;
  42 import android.app.AlertDialog;
  43 import android.app.Dialog;
  44 import android.app.ProgressDialog;
  45 import android.content.ContentResolver;
  46 import android.content.DialogInterface;
  47 import android.content.Intent;
  48 import android.content.SharedPreferences;
  49 import android.net.Uri;
  50 import android.os.Bundle;
  51 import android.os.Handler;
  52 import android.preference.PreferenceManager;
  53 import android.text.InputType;
  54 import android.util.Log;
  55 import android.view.View;
  56 import android.view.View.OnFocusChangeListener;
  57 import android.view.Window;
  58 import android.widget.CheckBox;
  59 import android.widget.EditText;
  60 import android.widget.Button;
  61 import android.widget.ImageView;
  62 import android.widget.TextView;
  63 import com.owncloud.android.R;
  64
  65 import eu.alefzero.webdav.WebdavClient;
  66
  67 /**
  68  * This Activity is used to add an ownCloud account to the App
  69  *
  70  * @author Bartek Przybylski
  71  * @author David A. Velasco
  72  */
  73 public class AuthenticatorActivity extends AccountAuthenticatorActivity
  74         implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeListener {
  75
  76     private static final String TAG = AuthenticatorActivity.class.getSimpleName();
  77
  78     public static final String EXTRA_ACCOUNT = "ACCOUNT";
  79     public static final String EXTRA_USER_NAME = "USER_NAME";
  80     public static final String EXTRA_HOST_NAME = "HOST_NAME";
  81
  82     private static final String KEY_HOST_URL_TEXT = "HOST_URL_TEXT";
  83     private static final String KEY_OC_VERSION = "OC_VERSION";
  84     private static final String KEY_STATUS_TEXT = "STATUS_TEXT";
  85     private static final String KEY_STATUS_ICON = "STATUS_ICON";
  86     private static final String KEY_STATUS_CORRECT = "STATUS_CORRECT";
  87     private static final String KEY_IS_SSL_CONN = "IS_SSL_CONN";
  88     private static final String KEY_OAUTH2_STATUS_TEXT = "OAUTH2_STATUS_TEXT";
  89     private static final String KEY_OAUTH2_STATUS_ICON = "OAUTH2_STATUS_ICON";
  90
  91     private static final int DIALOG_LOGIN_PROGRESS = 0;
  92     private static final int DIALOG_SSL_VALIDATOR = 1;
  93     private static final int DIALOG_CERT_NOT_SAVED = 2;
  94     private static final int DIALOG_OAUTH2_LOGIN_PROGRESS = 3;
  95
  96
  97     private String mHostBaseUrl;
  98     private OwnCloudVersion mDiscoveredVersion;
  99
 100     private int mStatusText, mStatusIcon;
 101     private boolean mStatusCorrect, mIsSslConn;
 102     private int mOAuth2StatusText, mOAuth2StatusIcon;
 103
 104     private final Handler mHandler = new Handler();
 105     private Thread mOperationThread;
 106     private OwnCloudServerCheckOperation mOcServerChkOperation;
 107     private ExistenceCheckOperation mAuthCheckOperation;
 108     private RemoteOperationResult mLastSslUntrustedServerResult;
 109
 110     //private Thread mOAuth2GetCodeThread;
 111     //private OAuth2GetAuthorizationToken mOAuth2GetCodeRunnable;
 112     //private TokenReceiver tokenReceiver;
 113     //private JSONObject mCodeResponseJson;
 114     private Uri mNewCapturedUriFromOAuth2Redirection;
 115
 116     private AccountManager mAccountMgr;
 117
 118     private ImageView mRefreshButton;
 119     private ImageView mViewPasswordButton;
 120     private EditText mHostUrlInput;
 121     private EditText mUsernameInput;
 122     private EditText mPasswordInput;
 123     private CheckBox mOAuth2Check;
 124     private String mOAuthAccessToken;
 125     private View mOkButton;
 126
 127     private TextView mOAuthAuthEndpointText;
 128     private TextView mOAuthTokenEndpointText;
 129
 130
 131     /**
 132      * {@inheritDoc}
 133      *
 134      * IMPORTANT ENTRY POINT 1: activity is shown to the user
 135      */
 136     @Override
 137     protected void onCreate(Bundle savedInstanceState) {
 138         super.onCreate(savedInstanceState);
 139         getWindow().requestFeature(Window.FEATURE_NO_TITLE);
 140
 141         /// set view and get references to view elements
 142         setContentView(R.layout.account_setup);
 143         mRefreshButton = (ImageView) findViewById(R.id.refreshButton);
 144         mViewPasswordButton = (ImageView) findViewById(R.id.viewPasswordButton);
 145         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 146         mUsernameInput = (EditText) findViewById(R.id.account_username);
 147         mPasswordInput = (EditText) findViewById(R.id.account_password);
 148         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 149         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 150         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 151         mOkButton = findViewById(R.id.buttonOK);
 152
 153         /// complete label for 'register account' button
 154         Button b = (Button) findViewById(R.id.account_register);
 155         if (b != null) {
 156             b.setText(String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 157         }
 158
 159         /// bind view elements to listeners
 160         mHostUrlInput.setOnFocusChangeListener(this);
 161         mPasswordInput.setOnFocusChangeListener(this);
 162
 163         /// initialization
 164         mAccountMgr = AccountManager.get(this);
 165         mNewCapturedUriFromOAuth2Redirection = null;    // TODO save?
 166
 167         if (savedInstanceState == null) {
 168             /// connection state and info
 169             mStatusText = mStatusIcon = 0;
 170             mStatusCorrect = false;
 171             mIsSslConn = false;
 172
 173             /// retrieve extras from intent
 174             String tokenType = getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 175             boolean oAuthRequired = AccountAuthenticator.AUTH_TOKEN_TYPE_ACCESS_TOKEN.equals(tokenType);
 176             mOAuth2Check.setChecked(oAuthRequired);
 177             changeViewByOAuth2Check(oAuthRequired);
 178
 179             Account account = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 180             if (account != null) {
 181                 String ocVersion = mAccountMgr.getUserData(account, AccountAuthenticator.KEY_OC_VERSION);
 182                 if (ocVersion != null) {
 183                     mDiscoveredVersion = new OwnCloudVersion(ocVersion);
 184                 }
 185                 mHostBaseUrl = mAccountMgr.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL);
 186                 mHostUrlInput.setText(mHostBaseUrl);
 187                 String userName = account.name.substring(0, account.name.lastIndexOf('@'));
 188                 mUsernameInput.setText(userName);
 189             }
 190
 191         } else {
 192             loadSavedInstanceState(savedInstanceState);
 193         }
 194
 195         mPasswordInput.setText("");     // clean password to avoid social hacking (disadvantage: password in removed if the device is turned aside)
 196     }
 197
 198
 199     /**
 200      * Saves relevant state before {@link #onPause()}
 201      *
 202      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag, intended to defer the
 203      * processing of the redirection caught in {@link #onNewIntent(Intent)} until {@link #onResume()}
 204      *
 205      * See {@link #loadSavedInstanceState(Bundle)}
 206      */
 207     @Override
 208     protected void onSaveInstanceState(Bundle outState) {
 209         super.onSaveInstanceState(outState);
 210
 211         /// connection state and info
 212         outState.putInt(KEY_STATUS_TEXT, mStatusText);
 213         outState.putInt(KEY_STATUS_ICON, mStatusIcon);
 214         outState.putBoolean(KEY_STATUS_CORRECT, mStatusCorrect);
 215         outState.putBoolean(KEY_IS_SSL_CONN, mIsSslConn);
 216
 217         /// server data
 218         if (mDiscoveredVersion != null)
 219             outState.putString(KEY_OC_VERSION, mDiscoveredVersion.toString());
 220         outState.putString(KEY_HOST_URL_TEXT, mHostBaseUrl);
 221
 222         // Saving the state of oAuth2 components.
 223         outState.putInt(KEY_OAUTH2_STATUS_ICON, mOAuth2StatusIcon);
 224         outState.putInt(KEY_OAUTH2_STATUS_TEXT, mOAuth2StatusText);
 225
 226         /* Leave old OAuth flow
 227         if (codeResponseJson != null){
 228             outState.putString(KEY_OAUTH2_CODE_RESULT, codeResponseJson.toString());
 229         }
 230         */
 231     }
 232
 233
 234     /**
 235      * Loads saved state
 236      *
 237      * See {@link #onSaveInstanceState(Bundle)}.
 238      *
 239      * @param savedInstanceState    Saved state, as received in {@link #onCreate(Bundle)}.
 240      */
 241     private void loadSavedInstanceState(Bundle savedInstanceState) {
 242         /// connection state and info
 243         mStatusCorrect = savedInstanceState.getBoolean(KEY_STATUS_CORRECT);
 244         mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 245         mStatusText = savedInstanceState.getInt(KEY_STATUS_TEXT);
 246         mStatusIcon = savedInstanceState.getInt(KEY_STATUS_ICON);
 247         updateOcServerCheckIconAndText();
 248
 249         /// UI settings depending upon connection
 250         mOkButton.setEnabled(mStatusCorrect);   // TODO really necessary?
 251         if (!mStatusCorrect)
 252             mRefreshButton.setVisibility(View.VISIBLE); // seems that setting visibility is necessary
 253         else
 254             mRefreshButton.setVisibility(View.INVISIBLE);
 255
 256         /// server data
 257         String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 258         if (ocVersion != null)
 259             mDiscoveredVersion = new OwnCloudVersion(ocVersion);
 260         mHostBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 261
 262         // state of oAuth2 components
 263         mOAuth2StatusIcon = savedInstanceState.getInt(KEY_OAUTH2_STATUS_ICON);
 264         mOAuth2StatusText = savedInstanceState.getInt(KEY_OAUTH2_STATUS_TEXT);
 265
 266         /* Leave old OAuth flow
 267         // We store a JSon object with all the data returned from oAuth2 server when we get user_code.
 268         // Is better than store variable by variable. We use String object to serialize from/to it.
 269            try {
 270             if (savedInstanceState.containsKey(KEY_OAUTH2_CODE_RESULT)) {
 271                 codeResponseJson = new JSONObject(savedInstanceState.getString(KEY_OAUTH2_CODE_RESULT));
 272             }
 273         } catch (JSONException e) {
 274             Log.e(TAG, "onCreate->JSONException: " + e.toString());
 275         }*/
 276         // END of getting the state of oAuth2 components.
 277
 278     }
 279
 280
 281     /**
 282      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION request
 283      * is caught here.
 284      *
 285      * To make this possible, this activity needs to be qualified with android:launchMode = "singleTask" in the
 286      * AndroidManifest.xml file.
 287      */
 288     @Override
 289     protected void onNewIntent (Intent intent) {
 290         Log.d(TAG, "onNewIntent()");
 291         Uri data = intent.getData();
 292         if (data != null && data.toString().startsWith(OAuth2Context.MY_REDIRECT_URI)) {
 293             mNewCapturedUriFromOAuth2Redirection = data;
 294         }
 295     }
 296
 297
 298     /**
 299      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION, and
 300      * deferred in {@link #onNewIntent(Intent)}, is processed here.
 301      */
 302     @Override
 303     protected void onResume() {
 304         super.onResume();
 305         changeViewByOAuth2Check(mOAuth2Check.isChecked());
 306             // the state of mOAuth2Check is automatically recovered between configuration changes, but not before onCreate() finishes
 307
 308         /* LEAVE OLD OAUTH FLOW ;
 309         // (old oauth code) Registering token receiver. We must listening to the service that is pooling to the oAuth server for a token.
 310         if (tokenReceiver == null) {
 311             IntentFilter tokenFilter = new IntentFilter(OAuth2GetTokenService.TOKEN_RECEIVED_MESSAGE);
 312             tokenReceiver = new TokenReceiver();
 313             this.registerReceiver(tokenReceiver,tokenFilter);
 314         } */
 315         // (new oauth code)
 316         if (mNewCapturedUriFromOAuth2Redirection != null) {
 317             getOAuth2AccessTokenFromCapturedRedirection();
 318         }
 319     }
 320
 321
 322     @Override protected void onDestroy() {
 323         super.onDestroy();
 324
 325         /* LEAVE OLD OAUTH FLOW
 326         // We must stop the service thats it's pooling to oAuth2 server for a token.
 327         Intent tokenService = new Intent(this, OAuth2GetTokenService.class);
 328         stopService(tokenService);
 329
 330         // We stop listening the result of the pooling service.
 331         if (tokenReceiver != null) {
 332             unregisterReceiver(tokenReceiver);
 333             tokenReceiver = null;
 334         }*/
 335
 336     }
 337
 338
 339     /**
 340      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 341      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 342      */
 343     private void getOAuth2AccessTokenFromCapturedRedirection() {
 344         /// Parse data from OAuth redirection
 345         Map<String, String> responseValues = new HashMap<String, String>();
 346         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 347         mNewCapturedUriFromOAuth2Redirection = null;
 348         String[] pairs = queryParameters.split("&");
 349         int i = 0;
 350         String key = "";
 351         String value = "";
 352         StringBuilder sb = new StringBuilder();
 353         while (pairs.length > i) {
 354             int j = 0;
 355             String[] part = pairs[i].split("=");
 356             while (part.length > j) {
 357                 String p = part[j];
 358                 if (j == 0) {
 359                     key = p;
 360                     sb.append(key + " = ");
 361                 } else if (j == 1) {
 362                     value = p;
 363                     responseValues.put(key, value);
 364                     sb.append(value + "\n");
 365                 }
 366
 367                 Log.v(TAG, "[" + i + "," + j + "] = " + p);
 368                 j++;
 369             }
 370             i++;
 371         }
 372
 373         /// Updating status widget to OK.
 374         updateOAuth2IconAndText(R.drawable.ic_ok, R.string.auth_connection_established);
 375
 376         /// Showing the dialog with instructions for the user.
 377         showDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
 378
 379         /// GET ACCESS TOKEN to the oAuth server
 380         RemoteOperation operation = new OAuth2GetAccessToken(responseValues);
 381         WebdavClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(getString(R.string.oauth_url_endpoint_access)), getApplicationContext());
 382         operation.execute(client, this, mHandler);
 383     }
 384
 385
 386
 387     /**
 388      * Handles the change of focus on the text inputs for the server URL and the password
 389      */
 390     public void onFocusChange(View view, boolean hasFocus) {
 391         if (view.getId() == R.id.hostUrlInput) {
 392             onUrlInputFocusChanged((TextView) view, hasFocus);
 393
 394         } else if (view.getId() == R.id.account_password) {
 395             onPasswordFocusChanged((TextView) view, hasFocus);
 396         }
 397     }
 398
 399
 400     /**
 401      * Handles changes in focus on the text input for the server URL.
 402      *
 403      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 404      * other field. The operation to check the existence of the server in the entered URL is
 405      * started.
 406      *
 407      * When hasFocus:    user 'comes back' to write again the server URL.
 408      *
 409      * @param hostInput     TextView with the URL input field receiving the change of focus.
 410      * @param hasFocus      'True' if focus is received, 'false' if is lost
 411      */
 412     private void onUrlInputFocusChanged(TextView hostInput, boolean hasFocus) {
 413         if (!hasFocus) {
 414             String uri = hostInput.getText().toString().trim();
 415             if (uri.length() != 0) {
 416                 mStatusText = R.string.auth_testing_connection;
 417                 mStatusIcon = R.drawable.progress_small;
 418                 updateOcServerCheckIconAndText();
 419                 /** TODO cancel previous connection check if the user tries to ammend a wrong URL
 420                 if(mConnChkOperation != null) {
 421                     mConnChkOperation.cancel();
 422                 } */
 423                 mOcServerChkOperation = new  OwnCloudServerCheckOperation(uri, this);
 424                 WebdavClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(uri), this);
 425                 mHostBaseUrl = "";
 426                 mDiscoveredVersion = null;
 427                 mOperationThread = mOcServerChkOperation.execute(client, this, mHandler);
 428             } else {
 429                 mRefreshButton.setVisibility(View.INVISIBLE);
 430                 mStatusText = 0;
 431                 mStatusIcon = 0;
 432                 updateOcServerCheckIconAndText();
 433             }
 434         } else {
 435             // avoids that the 'connect' button can be clicked if the test was previously passed
 436             mOkButton.setEnabled(false);
 437         }
 438     }
 439
 440
 441     /**
 442      * Handles changes in focus on the text input for the password (basic authorization).
 443      *
 444      * When (hasFocus), the button to toggle password visibility is shown.
 445      *
 446      * When (!hasFocus), the button is made invisible and the password is hidden.
 447      *
 448      * @param passwordInput    TextView with the password input field receiving the change of focus.
 449      * @param hasFocus          'True' if focus is received, 'false' if is lost
 450      */
 451     private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {
 452         if (hasFocus) {
 453             mViewPasswordButton.setVisibility(View.VISIBLE);
 454         } else {
 455             int input_type = InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD;
 456             passwordInput.setInputType(input_type);
 457             mViewPasswordButton.setVisibility(View.INVISIBLE);
 458         }
 459     }
 460
 461
 462
 463     /**
 464      * Cancels the authenticator activity
 465      *
 466      * IMPORTANT ENTRY POINT 3: Never underestimate the importance of cancellation
 467      *
 468      * This method is bound in the layout/acceoun_setup.xml resource file.
 469      *
 470      * @param view      Cancel button
 471      */
 472     public void onCancelClick(View view) {
 473         setResult(RESULT_CANCELED);     // TODO review how is this related to AccountAuthenticator
 474         finish();
 475     }
 476
 477
 478
 479     /**
 480      * Checks the credentials of the user in the root of the ownCloud server
 481      * before creating a new local account.
 482      *
 483      * For basic authorization, a check of existence of the root folder is
 484      * performed.
 485      *
 486      * For OAuth, starts the flow to get an access token; the credentials test
 487      * is postponed until it is available.
 488      *
 489      * IMPORTANT ENTRY POINT 4
 490      *
 491      * @param view      OK button
 492      */
 493     public void onOkClick(View view) {
 494         // this check should be unnecessary
 495         if (mDiscoveredVersion == null || !mDiscoveredVersion.isVersionValid()  || mHostBaseUrl == null || mHostBaseUrl.length() == 0) {
 496             mStatusIcon = R.drawable.common_error;
 497             mStatusText = R.string.auth_wtf_reenter_URL;
 498             updateOcServerCheckIconAndText();
 499             mOkButton.setEnabled(false);
 500             Log.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");
 501             return;
 502         }
 503
 504         if (mOAuth2Check.isChecked()) {
 505             startOauthorization();
 506
 507         } else {
 508             checkBasicAuthorization();
 509         }
 510     }
 511
 512
 513     /**
 514      * Tests the credentials entered by the user performing a check of existence on
 515      * the root folder of the ownCloud server.
 516      */
 517     private void checkBasicAuthorization() {
 518         /// get the path to the root folder through WebDAV from the version server
 519         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, false);
 520
 521         /// get basic credentials entered by user
 522         String username = mUsernameInput.getText().toString();
 523         String password = mPasswordInput.getText().toString();
 524
 525         /// be gentle with the user
 526         showDialog(DIALOG_LOGIN_PROGRESS);
 527
 528         /// test credentials accessing the root folder
 529         mAuthCheckOperation = new  ExistenceCheckOperation("", this, false);
 530         WebdavClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this);
 531         client.setBasicCredentials(username, password);
 532         mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
 533     }
 534
 535
 536     /**
 537      * Starts the OAuth 'grant type' flow to get an access token, with
 538      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 539      */
 540     private void startOauthorization() {
 541         // be gentle with the user
 542         updateOAuth2IconAndText(R.drawable.progress_small, R.string.oauth_login_connection);
 543
 544         // GET AUTHORIZATION request
 545         /*
 546         mOAuth2GetCodeRunnable = new OAuth2GetAuthorizationToken(, this);
 547         mOAuth2GetCodeRunnable.setListener(this, mHandler);
 548         mOAuth2GetCodeThread = new Thread(mOAuth2GetCodeRunnable);
 549         mOAuth2GetCodeThread.start();
 550         */
 551
 552         //if (mGrantType.equals(OAuth2Context.OAUTH2_AUTH_CODE_GRANT_TYPE)) {
 553         Uri uri = Uri.parse(getString(R.string.oauth_url_endpoint_auth));
 554         Uri.Builder uriBuilder = uri.buildUpon();
 555         uriBuilder.appendQueryParameter(OAuth2Context.CODE_RESPONSE_TYPE, OAuth2Context.OAUTH2_CODE_RESPONSE_TYPE);
 556         uriBuilder.appendQueryParameter(OAuth2Context.CODE_REDIRECT_URI, OAuth2Context.MY_REDIRECT_URI);
 557         uriBuilder.appendQueryParameter(OAuth2Context.CODE_CLIENT_ID, OAuth2Context.OAUTH2_F_CLIENT_ID);
 558         uriBuilder.appendQueryParameter(OAuth2Context.CODE_SCOPE, OAuth2Context.OAUTH2_F_SCOPE);
 559         //uriBuilder.appendQueryParameter(OAuth2Context.CODE_STATE, whateverwewant);
 560         uri = uriBuilder.build();
 561         Log.d(TAG, "Starting browser to view " + uri.toString());
 562         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 563         startActivity(i);
 564         //}
 565     }
 566
 567
 568     /**
 569      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 570      *
 571      * Dispatches the operation flow to the right method.
 572      */
 573     @Override
 574     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 575
 576         if (operation instanceof OwnCloudServerCheckOperation) {
 577             onOcServerCheckFinish((OwnCloudServerCheckOperation) operation, result);
 578
 579         } else if (operation instanceof OAuth2GetAccessToken) {
 580             onGetOAuthAccessTokenFinish((OAuth2GetAccessToken)operation, result);
 581
 582         } else if (operation instanceof ExistenceCheckOperation)  {
 583             onAuthorizationCheckFinish((ExistenceCheckOperation)operation, result);
 584
 585         }
 586     }
 587
 588
 589     /**
 590      * Processes the result of the server check performed when the user finishes the enter of the
 591      * server URL.
 592      *
 593      * @param operation     Server check performed.
 594      * @param result        Result of the check.
 595      */
 596     private void onOcServerCheckFinish(OwnCloudServerCheckOperation operation, RemoteOperationResult result) {
 597         /// update status connection icon and text
 598         mStatusText = mStatusIcon = 0;
 599         mStatusCorrect = false;
 600
 601         switch (result.getCode()) {
 602             case OK_SSL:
 603                 mIsSslConn = true;
 604                 mStatusIcon = android.R.drawable.ic_secure;
 605                 mStatusText = R.string.auth_secure_connection;
 606                 mStatusCorrect = true;
 607                 break;
 608
 609             case OK_NO_SSL:
 610             case OK:
 611                 mIsSslConn = false;
 612                 mStatusCorrect = true;
 613                 if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
 614                     mStatusText = R.string.auth_connection_established;
 615                     mStatusIcon = R.drawable.ic_ok;
 616                 } else {
 617                     mStatusText = R.string.auth_nossl_plain_ok_title;
 618                     mStatusIcon = android.R.drawable.ic_partial_secure;
 619                 }
 620                 break;
 621
 622             /// very special case (TODO: move to a common place for all the remote operations)
 623             case SSL_RECOVERABLE_PEER_UNVERIFIED:
 624                 mStatusIcon = R.drawable.common_error;
 625                 mStatusText = R.string.auth_ssl_unverified_server_title;
 626                 mLastSslUntrustedServerResult = result;
 627                 showDialog(DIALOG_SSL_VALIDATOR);
 628                 break;
 629
 630             case BAD_OC_VERSION:
 631                 mStatusIcon = R.drawable.common_error;
 632                 mStatusText = R.string.auth_bad_oc_version_title;
 633                 break;
 634             case WRONG_CONNECTION:
 635                 mStatusIcon = R.drawable.common_error;
 636                 mStatusText = R.string.auth_wrong_connection_title;
 637                 break;
 638             case TIMEOUT:
 639                 mStatusIcon = R.drawable.common_error;
 640                 mStatusText = R.string.auth_timeout_title;
 641                 break;
 642             case INCORRECT_ADDRESS:
 643                 mStatusIcon = R.drawable.common_error;
 644                 mStatusText = R.string.auth_incorrect_address_title;
 645                 break;
 646
 647             case SSL_ERROR:
 648                 mStatusIcon = R.drawable.common_error;
 649                 mStatusText = R.string.auth_ssl_general_error_title;
 650                 break;
 651
 652             case HOST_NOT_AVAILABLE:
 653                 mStatusIcon = R.drawable.common_error;
 654                 mStatusText = R.string.auth_unknown_host_title;
 655                 break;
 656             case NO_NETWORK_CONNECTION:
 657                 mStatusIcon = R.drawable.no_network;
 658                 mStatusText = R.string.auth_no_net_conn_title;
 659                 break;
 660             case INSTANCE_NOT_CONFIGURED:
 661                 mStatusIcon = R.drawable.common_error;
 662                 mStatusText = R.string.auth_not_configured_title;
 663                 break;
 664             case FILE_NOT_FOUND:
 665                 mStatusIcon = R.drawable.common_error;
 666                 mStatusText = R.string.auth_incorrect_path_title;
 667                 break;
 668             case UNHANDLED_HTTP_CODE:
 669             case UNKNOWN_ERROR:
 670                 mStatusIcon = R.drawable.common_error;
 671                 mStatusText = R.string.auth_unknown_error_title;
 672                 break;
 673             default:
 674                 Log.e(TAG, "Incorrect connection checker result type: " + result.getHttpCode());
 675         }
 676         updateOcServerCheckIconAndText();
 677
 678         /// update the visibility of the 'retry connection' button
 679         if (!mStatusCorrect)
 680             mRefreshButton.setVisibility(View.VISIBLE);
 681         else
 682             mRefreshButton.setVisibility(View.INVISIBLE);
 683
 684         /// retrieve discovered version and normalize server URL
 685         mDiscoveredVersion = operation.getDiscoveredVersion();
 686         mHostBaseUrl = mHostUrlInput.getText().toString().trim();
 687         if (!mHostBaseUrl.toLowerCase().startsWith("http://") &&
 688             !mHostBaseUrl.toLowerCase().startsWith("https://")) {
 689
 690             if (mIsSslConn) {
 691                 mHostBaseUrl = "https://" + mHostBaseUrl;
 692             } else {
 693                 mHostBaseUrl = "http://" + mHostBaseUrl;
 694             }
 695
 696         }
 697         if (mHostBaseUrl.endsWith("/"))
 698             mHostBaseUrl = mHostBaseUrl.substring(0, mHostBaseUrl.length() - 1);
 699
 700         /// allow or not the user try to access the server
 701         mOkButton.setEnabled(mStatusCorrect);
 702     }
 703
 704
 705     /**
 706      * Processes the result of the request for and access token send
 707      * to an OAuth authorization server.
 708      *
 709      * @param operation     Operation performed requesting the access token.
 710      * @param result        Result of the operation.
 711      */
 712     private void onGetOAuthAccessTokenFinish(OAuth2GetAccessToken operation, RemoteOperationResult result) {
 713         try {
 714             dismissDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
 715         } catch (IllegalArgumentException e) {
 716             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
 717         }
 718
 719         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, false);
 720         if (result.isSuccess() && webdav_path != null) {
 721             /// be gentle with the user
 722             showDialog(DIALOG_LOGIN_PROGRESS);
 723
 724             /// time to test the retrieved access token on the ownCloud server
 725             mOAuthAccessToken = ((OAuth2GetAccessToken)operation).getResultTokenMap().get(OAuth2Context.KEY_ACCESS_TOKEN);
 726             Log.d(TAG, "Got ACCESS TOKEN: " + mOAuthAccessToken);
 727             mAuthCheckOperation = new ExistenceCheckOperation("", this, false);
 728             WebdavClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this);
 729             client.setBearerCredentials(mOAuthAccessToken);
 730             mAuthCheckOperation.execute(client, this, mHandler);
 731
 732         } else {
 733             if (webdav_path != null) {
 734                 mOAuthAuthEndpointText.setError("A valid authorization could not be obtained");
 735             } else {
 736                 mOAuthAuthEndpointText.setError(getString(R.string.auth_bad_oc_version_title)); // should never happen
 737             }
 738         }
 739     }
 740
 741
 742     /**
 743      * Processes the result of the access check performed to try the user credentials.
 744      *
 745      * Creates a new account through the AccountManager.
 746      *
 747      * @param operation     Access check performed.
 748      * @param result        Result of the operation.
 749      */
 750     private void onAuthorizationCheckFinish(ExistenceCheckOperation operation, RemoteOperationResult result) {
 751         try {
 752             dismissDialog(DIALOG_LOGIN_PROGRESS);
 753         } catch (IllegalArgumentException e) {
 754             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
 755         }
 756
 757         boolean isOAuth = mOAuth2Check.isChecked();
 758
 759         if (result.isSuccess()) {
 760             Log.d(TAG, "Successful access - time to save the account");
 761
 762             /// create and save new ownCloud account
 763             Uri uri = Uri.parse(mHostBaseUrl);
 764             String username = isOAuth ?
 765                                 "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong() :
 766                                  mUsernameInput.getText().toString().trim();
 767                              // TODO a better way to set an account name
 768             String accountName = username + "@" + uri.getHost();
 769             if (uri.getPort() >= 0) {
 770                 accountName += ":" + uri.getPort();
 771             }
 772             Account account = new Account(accountName, AccountAuthenticator.ACCOUNT_TYPE);
 773             AccountManager accManager = AccountManager.get(this);
 774             if (isOAuth) {
 775                 accManager.addAccountExplicitly(account, "", null);  // with our implementation, the password is never input in the app
 776             } else {
 777                 accManager.addAccountExplicitly(account, mPasswordInput.getText().toString(), null);
 778             }
 779
 780             /// add the new account as default in preferences, if there is none already
 781             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
 782             if (defaultAccount == null) {
 783                 SharedPreferences.Editor editor = PreferenceManager
 784                         .getDefaultSharedPreferences(this).edit();
 785                 editor.putString("select_oc_account", accountName);
 786                 editor.commit();
 787             }
 788
 789
 790             /// prepare result to return to the Authenticator
 791             //  TODO check again what the Authenticator makes with it; probably has the same effect as addAccountExplicitly, but it's not well done
 792             final Intent intent = new Intent();    // TODO check if the intent can be retrieved from getIntent(), passed from AccountAuthenticator
 793             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    AccountAuthenticator.ACCOUNT_TYPE);
 794             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    account.name);
 795             if (!isOAuth)
 796                 intent.putExtra(AccountManager.KEY_AUTHTOKEN,   AccountAuthenticator.ACCOUNT_TYPE); // TODO check this; not sure it's right; maybe
 797             intent.putExtra(AccountManager.KEY_USERDATA,        username);
 798             if (isOAuth) {
 799                 accManager.setAuthToken(account, AccountAuthenticator.AUTH_TOKEN_TYPE_ACCESS_TOKEN, mOAuthAccessToken);
 800             }
 801             /// add user data to the new account; TODO probably can be done in the last parameter addAccountExplicitly, or in KEY_USERDATA
 802             accManager.setUserData(account, AccountAuthenticator.KEY_OC_VERSION,    mDiscoveredVersion.toString());
 803             accManager.setUserData(account, AccountAuthenticator.KEY_OC_BASE_URL,   mHostBaseUrl);
 804             if (isOAuth)
 805                 accManager.setUserData(account, AccountAuthenticator.KEY_SUPPORTS_OAUTH2, "TRUE");  // TODO this flag should be unnecessary
 806
 807             setAccountAuthenticatorResult(intent.getExtras());
 808             setResult(RESULT_OK, intent);
 809
 810             /// immediately request for the synchronization of the new account
 811             Bundle bundle = new Bundle();
 812             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 813             ContentResolver.requestSync(account, AccountAuthenticator.AUTHORITY, bundle);
 814
 815             finish();
 816
 817         } else {
 818             if (!isOAuth) {
 819                 mUsernameInput.setError(result.getLogMessage() + "        ");
 820                                                     // the extra spaces are a workaround for an ugly bug:
 821                                                     // 1. insert wrong credentials and connect
 822                                                     // 2. put the focus on the user name field with using hardware controls (don't touch the screen); the error is shown UNDER the field
 823                                                     // 3. touch the user name field; the software keyboard appears; the error popup is moved OVER the field and SHRINKED in width, losing the last word
 824                                                     // Seen, at least, in Android 2.x devices
 825
 826             } else {
 827                 mOAuthAuthEndpointText.setError(result.getLogMessage() + "        ");
 828             }
 829             Log.d(TAG, "Access failed: " + result.getLogMessage());
 830         }
 831     }
 832
 833
 834
 835     /**
 836      * {@inheritDoc}
 837      *
 838      * Necessary to update the contents of the SSL Dialog
 839      *
 840      * TODO move to some common place for all possible untrusted SSL failures
 841      */
 842     @Override
 843     protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
 844         switch (id) {
 845         case DIALOG_LOGIN_PROGRESS:
 846         case DIALOG_CERT_NOT_SAVED:
 847         case DIALOG_OAUTH2_LOGIN_PROGRESS:
 848             break;
 849         case DIALOG_SSL_VALIDATOR: {
 850             ((SslValidatorDialog)dialog).updateResult(mLastSslUntrustedServerResult);
 851             break;
 852         }
 853         default:
 854             Log.e(TAG, "Incorrect dialog called with id = " + id);
 855         }
 856     }
 857
 858
 859     /**
 860      * {@inheritDoc}
 861      */
 862     @Override
 863     protected Dialog onCreateDialog(int id) {
 864         Dialog dialog = null;
 865         switch (id) {
 866         case DIALOG_LOGIN_PROGRESS: {
 867             /// simple progress dialog
 868             ProgressDialog working_dialog = new ProgressDialog(this);
 869             working_dialog.setMessage(getResources().getString(R.string.auth_trying_to_login));
 870             working_dialog.setIndeterminate(true);
 871             working_dialog.setCancelable(true);
 872             working_dialog
 873                     .setOnCancelListener(new DialogInterface.OnCancelListener() {
 874                         @Override
 875                         public void onCancel(DialogInterface dialog) {
 876                             /// TODO study if this is enough
 877                             Log.i(TAG, "Login canceled");
 878                             if (mOperationThread != null) {
 879                                 mOperationThread.interrupt();
 880                                 finish();
 881                             }
 882                         }
 883                     });
 884             dialog = working_dialog;
 885             break;
 886         }
 887         case DIALOG_OAUTH2_LOGIN_PROGRESS: {
 888             /// oAuth2 dialog. We show here to the user the URL and user_code that the user must validate in a web browser. - OLD!
 889             // TODO optimize this dialog
 890             ProgressDialog working_dialog = new ProgressDialog(this);
 891             /* Leave the old OAuth flow
 892             try {
 893                 if (mCodeResponseJson != null && mCodeResponseJson.has(OAuth2GetCodeRunnable.CODE_VERIFICATION_URL)) {
 894                     working_dialog.setMessage(String.format(getString(R.string.oauth_code_validation_message),
 895                             mCodeResponseJson.getString(OAuth2GetCodeRunnable.CODE_VERIFICATION_URL),
 896                             mCodeResponseJson.getString(OAuth2GetCodeRunnable.CODE_USER_CODE)));
 897                 } else {*/
 898                     working_dialog.setMessage(String.format("Getting authorization"));
 899                 /*}
 900             } catch (JSONException e) {
 901                 Log.e(TAG, "onCreateDialog->JSONException: " + e.toString());
 902             }*/
 903             working_dialog.setIndeterminate(true);
 904             working_dialog.setCancelable(true);
 905             working_dialog
 906             .setOnCancelListener(new DialogInterface.OnCancelListener() {
 907                 @Override
 908                 public void onCancel(DialogInterface dialog) {
 909                     Log.i(TAG, "Login canceled");
 910                     /*if (mOAuth2GetCodeThread != null) {
 911                         mOAuth2GetCodeThread.interrupt();
 912                         finish();
 913                     } */
 914                     /*if (tokenReceiver != null) {
 915                         unregisterReceiver(tokenReceiver);
 916                         tokenReceiver = null;
 917                         finish();
 918                     }*/
 919                     finish();
 920                 }
 921             });
 922             dialog = working_dialog;
 923             break;
 924         }
 925         case DIALOG_SSL_VALIDATOR: {
 926             /// TODO start to use new dialog interface, at least for this (it is a FragmentDialog already)
 927             dialog = SslValidatorDialog.newInstance(this, mLastSslUntrustedServerResult, this);
 928             break;
 929         }
 930         case DIALOG_CERT_NOT_SAVED: {
 931             AlertDialog.Builder builder = new AlertDialog.Builder(this);
 932             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 933             builder.setCancelable(false);
 934             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 935                     @Override
 936                     public void onClick(DialogInterface dialog, int which) {
 937                         dialog.dismiss();
 938                     };
 939                 });
 940             dialog = builder.create();
 941             break;
 942         }
 943         default:
 944             Log.e(TAG, "Incorrect dialog called with id = " + id);
 945         }
 946         return dialog;
 947     }
 948
 949
 950     /**
 951      * Starts and activity to open the 'new account' page in the ownCloud web site
 952      *
 953      * @param view      'Account register' button
 954      */
 955     public void onRegisterClick(View view) {
 956         Intent register = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.url_account_register)));
 957         setResult(RESULT_CANCELED);
 958         startActivity(register);
 959     }
 960
 961
 962     /**
 963      * Updates the content and visibility state of the icon and text associated
 964      * to the last check on the ownCloud server.
 965      */
 966     private void updateOcServerCheckIconAndText() {
 967         ImageView iv = (ImageView) findViewById(R.id.action_indicator);
 968         TextView tv = (TextView) findViewById(R.id.status_text);
 969
 970         if (mStatusIcon == 0 && mStatusText == 0) {
 971             iv.setVisibility(View.INVISIBLE);
 972             tv.setVisibility(View.INVISIBLE);
 973         } else {
 974             iv.setImageResource(mStatusIcon);
 975             tv.setText(mStatusText);
 976             iv.setVisibility(View.VISIBLE);
 977             tv.setVisibility(View.VISIBLE);
 978         }
 979     }
 980
 981
 982     /**
 983      * Called when the refresh button in the input field for ownCloud host is clicked.
 984      *
 985      * Performs a new check on the URL in the input field.
 986      *
 987      * @param view      Refresh 'button'
 988      */
 989     public void onRefreshClick(View view) {
 990         onFocusChange(mRefreshButton, false);
 991     }
 992
 993
 994     /**
 995      * Called when the eye icon in the password field is clicked.
 996      *
 997      * Toggles the visibility of the password in the field.
 998      *
 999      * @param view      'View password' 'button'
1000      */
1001     public void onViewPasswordClick(View view) {
1002         int selectionStart = mPasswordInput.getSelectionStart();
1003         int selectionEnd = mPasswordInput.getSelectionEnd();
1004         int input_type = mPasswordInput.getInputType();
1005         if ((input_type & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) {
1006             input_type = InputType.TYPE_CLASS_TEXT
1007                     | InputType.TYPE_TEXT_VARIATION_PASSWORD;
1008         } else {
1009             input_type = InputType.TYPE_CLASS_TEXT
1010                     | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD;
1011         }
1012         mPasswordInput.setInputType(input_type);
1013         mPasswordInput.setSelection(selectionStart, selectionEnd);
1014     }
1015
1016
1017     /**
1018      * Called when the checkbox for OAuth authorization is clicked.
1019      *
1020      * Hides or shows the input fields for user & password.
1021      *
1022      * @param view      'View password' 'button'
1023      */
1024     public void onCheckClick(View view) {
1025         CheckBox oAuth2Check = (CheckBox)view;
1026         changeViewByOAuth2Check(oAuth2Check.isChecked());
1027
1028     }
1029
1030     /**
1031      * Changes the visibility of input elements depending upon the kind of authorization
1032      * chosen by the user: basic or OAuth
1033      *
1034      * @param checked       'True' when OAuth is selected.
1035      */
1036     public void changeViewByOAuth2Check(Boolean checked) {
1037
1038         ImageView auth2ActionIndicator = (ImageView) findViewById(R.id.auth2_action_indicator);
1039         TextView oauth2StatusText = (TextView) findViewById(R.id.oauth2_status_text);
1040
1041         if (checked) {
1042             mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
1043             mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
1044             mUsernameInput.setVisibility(View.GONE);
1045             mPasswordInput.setVisibility(View.GONE);
1046             mViewPasswordButton.setVisibility(View.GONE);
1047             auth2ActionIndicator.setVisibility(View.INVISIBLE);
1048             oauth2StatusText.setVisibility(View.INVISIBLE);
1049         } else {
1050             mOAuthAuthEndpointText.setVisibility(View.GONE);
1051             mOAuthTokenEndpointText.setVisibility(View.GONE);
1052             mUsernameInput.setVisibility(View.VISIBLE);
1053             mPasswordInput.setVisibility(View.VISIBLE);
1054             mViewPasswordButton.setVisibility(View.INVISIBLE);
1055             auth2ActionIndicator.setVisibility(View.GONE);
1056             oauth2StatusText.setVisibility(View.GONE);
1057         }
1058
1059     }
1060
1061     /**
1062      * Updates the content and visibility state of the icon and text associated
1063      * to the interactions with the OAuth authorization server.
1064      *
1065      * @param   drawable_id     Resource id for the icon.
1066      * @param   text_id         Resource id for the text.
1067      */
1068     private void updateOAuth2IconAndText(int drawable_id, int text_id) {
1069         ImageView iv = (ImageView) findViewById(R.id.auth2_action_indicator);
1070         TextView tv = (TextView) findViewById(R.id.oauth2_status_text);
1071
1072         if (drawable_id == 0 && text_id == 0) {
1073             iv.setVisibility(View.INVISIBLE);
1074             tv.setVisibility(View.INVISIBLE);
1075         } else {
1076             iv.setImageResource(drawable_id);
1077             tv.setText(text_id);
1078             iv.setVisibility(View.VISIBLE);
1079             tv.setVisibility(View.VISIBLE);
1080         }
1081     }
1082
1083     /* Leave the old OAuth flow
1084     // Results from the first call to oAuth2 server : getting the user_code and verification_url.
1085     @Override
1086     public void onOAuth2GetCodeResult(ResultOAuthType type, JSONObject responseJson) {
1087         if ((type == ResultOAuthType.OK_SSL)||(type == ResultOAuthType.OK_NO_SSL)) {
1088             mCodeResponseJson = responseJson;
1089             if (mCodeResponseJson != null) {
1090                 getOAuth2AccessTokenFromJsonResponse();
1091             }  // else - nothing to do here - wait for callback !!!
1092
1093         } else if (type == ResultOAuthType.HOST_NOT_AVAILABLE) {
1094             updateOAuth2IconAndText(R.drawable.common_error, R.string.oauth_connection_url_unavailable);
1095         }
1096     }
1097
1098     // If the results of getting the user_code and verification_url are OK, we get the received data and we start
1099     // the polling service to oAuth2 server to get a valid token.
1100     private void getOAuth2AccessTokenFromJsonResponse() {
1101         String deviceCode = null;
1102         String verificationUrl = null;
1103         String userCode = null;
1104         int expiresIn = -1;
1105         int interval = -1;
1106
1107         Log.d(TAG, "ResponseOAuth2->" + mCodeResponseJson.toString());
1108
1109         try {
1110             // We get data that we must show to the user or we will use internally.
1111             verificationUrl = mCodeResponseJson.getString(OAuth2GetAuthorizationToken.CODE_VERIFICATION_URL);
1112             userCode = mCodeResponseJson.getString(OAuth2GetAuthorizationToken.CODE_USER_CODE);
1113             expiresIn = mCodeResponseJson.getInt(OAuth2GetAuthorizationToken.CODE_EXPIRES_IN);
1114
1115             // And we get data that we must use to get a token.
1116             deviceCode = mCodeResponseJson.getString(OAuth2GetAuthorizationToken.CODE_DEVICE_CODE);
1117             interval = mCodeResponseJson.getInt(OAuth2GetAuthorizationToken.CODE_INTERVAL);
1118
1119         } catch (JSONException e) {
1120             Log.e(TAG, "Exception accesing data in Json object" + e.toString());
1121         }
1122
1123         // Updating status widget to OK.
1124         updateOAuth2IconAndText(R.drawable.ic_ok, R.string.auth_connection_established);
1125
1126         // Showing the dialog with instructions for the user.
1127         showDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
1128
1129         // Loggin all the data.
1130         Log.d(TAG, "verificationUrl->" + verificationUrl);
1131         Log.d(TAG, "userCode->" + userCode);
1132         Log.d(TAG, "deviceCode->" + deviceCode);
1133         Log.d(TAG, "expiresIn->" + expiresIn);
1134         Log.d(TAG, "interval->" + interval);
1135
1136         // Starting the pooling service.
1137         try {
1138             Intent tokenService = new Intent(this, OAuth2GetTokenService.class);
1139             tokenService.putExtra(OAuth2GetTokenService.TOKEN_URI, OAuth2Context.OAUTH2_G_DEVICE_GETTOKEN_URL);
1140             tokenService.putExtra(OAuth2GetTokenService.TOKEN_DEVICE_CODE, deviceCode);
1141             tokenService.putExtra(OAuth2GetTokenService.TOKEN_INTERVAL, interval);
1142
1143             startService(tokenService);
1144         }
1145         catch (Exception e) {
1146             Log.e(TAG, "tokenService creation problem :", e);
1147         }
1148
1149     }
1150     */
1151
1152     /* Leave the old OAuth flow
1153     // We get data from the oAuth2 token service with this broadcast receiver.
1154     private class TokenReceiver extends BroadcastReceiver {
1155         /**
1156          * The token is received.
1157          *  @author
1158          * {@link BroadcastReceiver} to enable oAuth2 token receiving.
1159          *-/
1160         @Override
1161         public void onReceive(Context context, Intent intent) {
1162             @SuppressWarnings("unchecked")
1163             HashMap<String, String> tokenResponse = (HashMap<String, String>)intent.getExtras().get(OAuth2GetTokenService.TOKEN_RECEIVED_DATA);
1164             Log.d(TAG, "TokenReceiver->" + tokenResponse.get(OAuth2GetTokenService.TOKEN_ACCESS_TOKEN));
1165             dismissDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
1166
1167         }
1168     }
1169     */
1170
1171
1172     /**
1173      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1174      */
1175     public void onSavedCertificate() {
1176         mOperationThread = mOcServerChkOperation.retry(this, mHandler);
1177     }
1178
1179     /**
1180      * Called from SslValidatorDialog when a new server certificate could not be saved
1181      * when the user requested it.
1182      */
1183     @Override
1184     public void onFailedSavingCertificate() {
1185         showDialog(DIALOG_CERT_NOT_SAVED);
1186     }
1187
1188 }