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 com.owncloud.android.AccountUtils;
  23 import com.owncloud.android.authenticator.AccountAuthenticator;
  24 import com.owncloud.android.authenticator.oauth2.OAuth2Context;
  25 import com.owncloud.android.ui.dialog.SslValidatorDialog;
  26 import com.owncloud.android.ui.dialog.SslValidatorDialog.OnSslValidatorListener;
  27 import com.owncloud.android.utils.OwnCloudVersion;
  28 import com.owncloud.android.network.OwnCloudClientUtils;
  29 import com.owncloud.android.operations.OwnCloudServerCheckOperation;
  30 import com.owncloud.android.operations.ExistenceCheckOperation;
  31 import com.owncloud.android.operations.OAuth2GetAccessToken;
  32 import com.owncloud.android.operations.OnRemoteOperationListener;
  33 import com.owncloud.android.operations.RemoteOperation;
  34 import com.owncloud.android.operations.RemoteOperationResult;
  35 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
  36
  37 import android.accounts.Account;
  38 import android.accounts.AccountAuthenticatorActivity;
  39 import android.accounts.AccountManager;
  40 import android.app.AlertDialog;
  41 import android.app.Dialog;
  42 import android.app.ProgressDialog;
  43 import android.content.ContentResolver;
  44 import android.content.DialogInterface;
  45 import android.content.Intent;
  46 import android.content.SharedPreferences;
  47 import android.net.Uri;
  48 import android.os.Bundle;
  49 import android.os.Handler;
  50 import android.preference.PreferenceManager;
  51 import android.text.InputType;
  52 import android.util.Log;
  53 import android.view.View;
  54 import android.view.View.OnFocusChangeListener;
  55 import android.view.Window;
  56 import android.widget.CheckBox;
  57 import android.widget.EditText;
  58 import android.widget.Button;
  59 import android.widget.ImageView;
  60 import android.widget.TextView;
  61 import android.widget.Toast;
  62
  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     public static final String EXTRA_ACTION = "ACTION";
  82
  83     private static final String KEY_HOST_URL_TEXT = "HOST_URL_TEXT";
  84     private static final String KEY_OC_VERSION = "OC_VERSION";
  85     private static final String KEY_STATUS_TEXT = "STATUS_TEXT";
  86     private static final String KEY_STATUS_ICON = "STATUS_ICON";
  87     private static final String KEY_STATUS_CORRECT = "STATUS_CORRECT";
  88     private static final String KEY_IS_SSL_CONN = "IS_SSL_CONN";
  89     private static final String KEY_OAUTH2_STATUS_TEXT = "OAUTH2_STATUS_TEXT";
  90     private static final String KEY_OAUTH2_STATUS_ICON = "OAUTH2_STATUS_ICON";
  91
  92     private static final int DIALOG_LOGIN_PROGRESS = 0;
  93     private static final int DIALOG_SSL_VALIDATOR = 1;
  94     private static final int DIALOG_CERT_NOT_SAVED = 2;
  95     private static final int DIALOG_OAUTH2_LOGIN_PROGRESS = 3;
  96
  97     public static final byte ACTION_CREATE = 0;
  98     public static final byte ACTION_UPDATE_TOKEN = 1;
  99
 100
 101     private String mHostBaseUrl;
 102     private OwnCloudVersion mDiscoveredVersion;
 103
 104     private int mStatusText, mStatusIcon;
 105     private boolean mStatusCorrect, mIsSslConn;
 106     private int mOAuth2StatusText, mOAuth2StatusIcon;
 107
 108     private final Handler mHandler = new Handler();
 109     private Thread mOperationThread;
 110     private OwnCloudServerCheckOperation mOcServerChkOperation;
 111     private ExistenceCheckOperation mAuthCheckOperation;
 112     private RemoteOperationResult mLastSslUntrustedServerResult;
 113
 114     //private Thread mOAuth2GetCodeThread;
 115     //private OAuth2GetAuthorizationToken mOAuth2GetCodeRunnable;
 116     //private TokenReceiver tokenReceiver;
 117     //private JSONObject mCodeResponseJson;
 118     private Uri mNewCapturedUriFromOAuth2Redirection;
 119
 120     private AccountManager mAccountMgr;
 121     private boolean mJustCreated;
 122
 123     private ImageView mRefreshButton;
 124     private ImageView mViewPasswordButton;
 125     private EditText mHostUrlInput;
 126     private EditText mUsernameInput;
 127     private EditText mPasswordInput;
 128     private CheckBox mOAuth2Check;
 129     private String mOAuthAccessToken;
 130     private View mOkButton;
 131     private TextView mAuthStatusLayout;
 132
 133     private TextView mOAuthAuthEndpointText;
 134     private TextView mOAuthTokenEndpointText;
 135
 136
 137     /**
 138      * {@inheritDoc}
 139      *
 140      * IMPORTANT ENTRY POINT 1: activity is shown to the user
 141      */
 142     @Override
 143     protected void onCreate(Bundle savedInstanceState) {
 144         super.onCreate(savedInstanceState);
 145         getWindow().requestFeature(Window.FEATURE_NO_TITLE);
 146
 147         /// set view and get references to view elements
 148         setContentView(R.layout.account_setup);
 149         mRefreshButton = (ImageView) findViewById(R.id.refreshButton);
 150         mViewPasswordButton = (ImageView) findViewById(R.id.viewPasswordButton);
 151         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 152         mUsernameInput = (EditText) findViewById(R.id.account_username);
 153         mPasswordInput = (EditText) findViewById(R.id.account_password);
 154         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 155         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 156         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 157         mOkButton = findViewById(R.id.buttonOK);
 158         mAuthStatusLayout = (TextView) findViewById(R.id.auth_status_text);
 159
 160
 161         /// complete label for 'register account' button
 162         Button b = (Button) findViewById(R.id.account_register);
 163         if (b != null) {
 164             b.setText(String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 165         }
 166
 167         /// bind view elements to listeners
 168         mHostUrlInput.setOnFocusChangeListener(this);
 169         mPasswordInput.setOnFocusChangeListener(this);
 170
 171         /// initialization
 172         mAccountMgr = AccountManager.get(this);
 173         mNewCapturedUriFromOAuth2Redirection = null;    // TODO save?
 174
 175         if (savedInstanceState == null) {
 176             /// connection state and info
 177             mStatusText = mStatusIcon = 0;
 178             mStatusCorrect = false;
 179             mIsSslConn = false;
 180
 181             /// retrieve extras from intent
 182             String tokenType = getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 183             boolean oAuthRequired = AccountAuthenticator.AUTH_TOKEN_TYPE_ACCESS_TOKEN.equals(tokenType);
 184             mOAuth2Check.setChecked(oAuthRequired);
 185             changeViewByOAuth2Check(oAuthRequired);
 186
 187             Account account = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 188             if (account != null) {
 189                 String ocVersion = mAccountMgr.getUserData(account, AccountAuthenticator.KEY_OC_VERSION);
 190                 if (ocVersion != null) {
 191                     mDiscoveredVersion = new OwnCloudVersion(ocVersion);
 192                 }
 193                 mHostBaseUrl = mAccountMgr.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL);
 194                 mHostUrlInput.setText(mHostBaseUrl);
 195                 String userName = account.name.substring(0, account.name.lastIndexOf('@'));
 196                 mUsernameInput.setText(userName);
 197             }
 198
 199         } else {
 200             loadSavedInstanceState(savedInstanceState);
 201         }
 202
 203         if (getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE) == ACTION_UPDATE_TOKEN) {
 204             /// lock things that should not change
 205             mHostUrlInput.setEnabled(false);
 206             mUsernameInput.setEnabled(false);
 207             mOAuth2Check.setVisibility(View.GONE);
 208             checkOcServer();
 209         }
 210
 211         mPasswordInput.setText("");     // clean password to avoid social hacking (disadvantage: password in removed if the device is turned aside)
 212         mJustCreated = true;
 213     }
 214
 215
 216     /**
 217      * Saves relevant state before {@link #onPause()}
 218      *
 219      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag, intended to defer the
 220      * processing of the redirection caught in {@link #onNewIntent(Intent)} until {@link #onResume()}
 221      *
 222      * See {@link #loadSavedInstanceState(Bundle)}
 223      */
 224     @Override
 225     protected void onSaveInstanceState(Bundle outState) {
 226         super.onSaveInstanceState(outState);
 227
 228         /// connection state and info
 229         outState.putInt(KEY_STATUS_TEXT, mStatusText);
 230         outState.putInt(KEY_STATUS_ICON, mStatusIcon);
 231         outState.putBoolean(KEY_STATUS_CORRECT, mStatusCorrect);
 232         outState.putBoolean(KEY_IS_SSL_CONN, mIsSslConn);
 233
 234         /// server data
 235         if (mDiscoveredVersion != null)
 236             outState.putString(KEY_OC_VERSION, mDiscoveredVersion.toString());
 237         outState.putString(KEY_HOST_URL_TEXT, mHostBaseUrl);
 238
 239         // Saving the state of oAuth2 components.
 240         outState.putInt(KEY_OAUTH2_STATUS_ICON, mOAuth2StatusIcon);
 241         outState.putInt(KEY_OAUTH2_STATUS_TEXT, mOAuth2StatusText);
 242
 243         /* Leave old OAuth flow
 244         if (codeResponseJson != null){
 245             outState.putString(KEY_OAUTH2_CODE_RESULT, codeResponseJson.toString());
 246         }
 247         */
 248     }
 249
 250
 251     /**
 252      * Loads saved state
 253      *
 254      * See {@link #onSaveInstanceState(Bundle)}.
 255      *
 256      * @param savedInstanceState    Saved state, as received in {@link #onCreate(Bundle)}.
 257      */
 258     private void loadSavedInstanceState(Bundle savedInstanceState) {
 259         /// connection state and info
 260         mStatusCorrect = savedInstanceState.getBoolean(KEY_STATUS_CORRECT);
 261         mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 262         mStatusText = savedInstanceState.getInt(KEY_STATUS_TEXT);
 263         mStatusIcon = savedInstanceState.getInt(KEY_STATUS_ICON);
 264         updateConnStatus();
 265
 266         /// UI settings depending upon connection
 267         mOkButton.setEnabled(mStatusCorrect);   // TODO really necessary?
 268         if (!mStatusCorrect)
 269             mRefreshButton.setVisibility(View.VISIBLE); // seems that setting visibility is necessary
 270         else
 271             mRefreshButton.setVisibility(View.INVISIBLE);
 272
 273         /// server data
 274         String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 275         if (ocVersion != null)
 276             mDiscoveredVersion = new OwnCloudVersion(ocVersion);
 277         mHostBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 278
 279         // state of oAuth2 components
 280         mOAuth2StatusIcon = savedInstanceState.getInt(KEY_OAUTH2_STATUS_ICON);
 281         mOAuth2StatusText = savedInstanceState.getInt(KEY_OAUTH2_STATUS_TEXT);
 282
 283         /* Leave old OAuth flow
 284         // We store a JSon object with all the data returned from oAuth2 server when we get user_code.
 285         // Is better than store variable by variable. We use String object to serialize from/to it.
 286            try {
 287             if (savedInstanceState.containsKey(KEY_OAUTH2_CODE_RESULT)) {
 288                 codeResponseJson = new JSONObject(savedInstanceState.getString(KEY_OAUTH2_CODE_RESULT));
 289             }
 290         } catch (JSONException e) {
 291             Log.e(TAG, "onCreate->JSONException: " + e.toString());
 292         }*/
 293         // END of getting the state of oAuth2 components.
 294
 295     }
 296
 297
 298     /**
 299      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION request
 300      * is caught here.
 301      *
 302      * To make this possible, this activity needs to be qualified with android:launchMode = "singleTask" in the
 303      * AndroidManifest.xml file.
 304      */
 305     @Override
 306     protected void onNewIntent (Intent intent) {
 307         Log.d(TAG, "onNewIntent()");
 308         Uri data = intent.getData();
 309         if (data != null && data.toString().startsWith(OAuth2Context.MY_REDIRECT_URI)) {
 310             mNewCapturedUriFromOAuth2Redirection = data;
 311         }
 312     }
 313
 314
 315     /**
 316      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION, and
 317      * deferred in {@link #onNewIntent(Intent)}, is processed here.
 318      */
 319     @Override
 320     protected void onResume() {
 321         super.onResume();
 322         // the state of mOAuth2Check is automatically recovered between configuration changes, but not before onCreate() finishes; so keep the next lines here
 323         changeViewByOAuth2Check(mOAuth2Check.isChecked());
 324         if (getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE) == ACTION_UPDATE_TOKEN && mJustCreated) {
 325             if (mOAuth2Check.isChecked())
 326                 Toast.makeText(this, R.string.auth_expired_oauth_token_toast, Toast.LENGTH_LONG).show();
 327             else
 328                 Toast.makeText(this, R.string.auth_expired_basic_auth_toast, Toast.LENGTH_LONG).show();
 329         }
 330
 331
 332         /* LEAVE OLD OAUTH FLOW ;
 333         // (old oauth code) Registering token receiver. We must listening to the service that is pooling to the oAuth server for a token.
 334         if (tokenReceiver == null) {
 335             IntentFilter tokenFilter = new IntentFilter(OAuth2GetTokenService.TOKEN_RECEIVED_MESSAGE);
 336             tokenReceiver = new TokenReceiver();
 337             this.registerReceiver(tokenReceiver,tokenFilter);
 338         } */
 339         // (new oauth code)
 340         if (mNewCapturedUriFromOAuth2Redirection != null) {
 341             getOAuth2AccessTokenFromCapturedRedirection();
 342         }
 343
 344         mJustCreated = false;
 345     }
 346
 347
 348     @Override protected void onDestroy() {
 349         super.onDestroy();
 350
 351         /* LEAVE OLD OAUTH FLOW
 352         // We must stop the service thats it's pooling to oAuth2 server for a token.
 353         Intent tokenService = new Intent(this, OAuth2GetTokenService.class);
 354         stopService(tokenService);
 355
 356         // We stop listening the result of the pooling service.
 357         if (tokenReceiver != null) {
 358             unregisterReceiver(tokenReceiver);
 359             tokenReceiver = null;
 360         }*/
 361
 362     }
 363
 364
 365     /**
 366      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 367      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 368      */
 369     private void getOAuth2AccessTokenFromCapturedRedirection() {
 370         /// Parse data from OAuth redirection
 371         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 372         mNewCapturedUriFromOAuth2Redirection = null;
 373
 374         /// Showing the dialog with instructions for the user.
 375         showDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
 376
 377         /// GET ACCESS TOKEN to the oAuth server
 378         RemoteOperation operation = new OAuth2GetAccessToken(queryParameters);
 379         WebdavClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(getString(R.string.oauth_url_endpoint_access)), getApplicationContext());
 380         operation.execute(client, this, mHandler);
 381     }
 382
 383
 384
 385     /**
 386      * Handles the change of focus on the text inputs for the server URL and the password
 387      */
 388     public void onFocusChange(View view, boolean hasFocus) {
 389         if (view.getId() == R.id.hostUrlInput) {
 390             onUrlInputFocusChanged((TextView) view, hasFocus);
 391
 392         } else if (view.getId() == R.id.account_password) {
 393             onPasswordFocusChanged((TextView) view, hasFocus);
 394         }
 395     }
 396
 397
 398     /**
 399      * Handles changes in focus on the text input for the server URL.
 400      *
 401      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 402      * other field. The operation to check the existence of the server in the entered URL is
 403      * started.
 404      *
 405      * When hasFocus:    user 'comes back' to write again the server URL.
 406      *
 407      * @param hostInput     TextView with the URL input field receiving the change of focus.
 408      * @param hasFocus      'True' if focus is received, 'false' if is lost
 409      */
 410     private void onUrlInputFocusChanged(TextView hostInput, boolean hasFocus) {
 411         if (!hasFocus) {
 412             checkOcServer();
 413
 414         } else {
 415             // avoids that the 'connect' button can be clicked if the test was previously passed
 416             mOkButton.setEnabled(false);
 417         }
 418     }
 419
 420
 421     private void checkOcServer() {
 422         String uri = mHostUrlInput.getText().toString().trim();
 423         if (uri.length() != 0) {
 424             mStatusText = R.string.auth_testing_connection;
 425             mStatusIcon = R.drawable.progress_small;
 426             updateConnStatus();
 427             /** TODO cancel previous connection check if the user tries to ammend a wrong URL
 428             if(mConnChkOperation != null) {
 429                 mConnChkOperation.cancel();
 430             } */
 431             mOcServerChkOperation = new  OwnCloudServerCheckOperation(uri, this);
 432             WebdavClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(uri), this);
 433             mHostBaseUrl = "";
 434             mDiscoveredVersion = null;
 435             mOperationThread = mOcServerChkOperation.execute(client, this, mHandler);
 436         } else {
 437             mRefreshButton.setVisibility(View.INVISIBLE);
 438             mStatusText = 0;
 439             mStatusIcon = 0;
 440             updateConnStatus();
 441         }
 442     }
 443
 444
 445     /**
 446      * Handles changes in focus on the text input for the password (basic authorization).
 447      *
 448      * When (hasFocus), the button to toggle password visibility is shown.
 449      *
 450      * When (!hasFocus), the button is made invisible and the password is hidden.
 451      *
 452      * @param passwordInput    TextView with the password input field receiving the change of focus.
 453      * @param hasFocus          'True' if focus is received, 'false' if is lost
 454      */
 455     private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {
 456         if (hasFocus) {
 457             mViewPasswordButton.setVisibility(View.VISIBLE);
 458         } else {
 459             int input_type = InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD;
 460             passwordInput.setInputType(input_type);
 461             mViewPasswordButton.setVisibility(View.INVISIBLE);
 462         }
 463     }
 464
 465
 466
 467     /**
 468      * Cancels the authenticator activity
 469      *
 470      * IMPORTANT ENTRY POINT 3: Never underestimate the importance of cancellation
 471      *
 472      * This method is bound in the layout/acceoun_setup.xml resource file.
 473      *
 474      * @param view      Cancel button
 475      */
 476     public void onCancelClick(View view) {
 477         setResult(RESULT_CANCELED);     // TODO review how is this related to AccountAuthenticator
 478         finish();
 479     }
 480
 481
 482
 483     /**
 484      * Checks the credentials of the user in the root of the ownCloud server
 485      * before creating a new local account.
 486      *
 487      * For basic authorization, a check of existence of the root folder is
 488      * performed.
 489      *
 490      * For OAuth, starts the flow to get an access token; the credentials test
 491      * is postponed until it is available.
 492      *
 493      * IMPORTANT ENTRY POINT 4
 494      *
 495      * @param view      OK button
 496      */
 497     public void onOkClick(View view) {
 498         // this check should be unnecessary
 499         if (mDiscoveredVersion == null || !mDiscoveredVersion.isVersionValid()  || mHostBaseUrl == null || mHostBaseUrl.length() == 0) {
 500             mStatusIcon = R.drawable.common_error;
 501             mStatusText = R.string.auth_wtf_reenter_URL;
 502             updateConnStatus();
 503             mOkButton.setEnabled(false);
 504             Log.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");
 505             return;
 506         }
 507
 508         if (mOAuth2Check.isChecked()) {
 509             startOauthorization();
 510
 511         } else {
 512             checkBasicAuthorization();
 513         }
 514     }
 515
 516
 517     /**
 518      * Tests the credentials entered by the user performing a check of existence on
 519      * the root folder of the ownCloud server.
 520      */
 521     private void checkBasicAuthorization() {
 522         /// get the path to the root folder through WebDAV from the version server
 523         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, false);
 524
 525         /// get basic credentials entered by user
 526         String username = mUsernameInput.getText().toString();
 527         String password = mPasswordInput.getText().toString();
 528
 529         /// be gentle with the user
 530         showDialog(DIALOG_LOGIN_PROGRESS);
 531
 532         /// test credentials accessing the root folder
 533         mAuthCheckOperation = new  ExistenceCheckOperation("", this, false);
 534         WebdavClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this);
 535         client.setBasicCredentials(username, password);
 536         mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
 537     }
 538
 539
 540     /**
 541      * Starts the OAuth 'grant type' flow to get an access token, with
 542      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 543      */
 544     private void startOauthorization() {
 545         // be gentle with the user
 546         mStatusIcon = R.drawable.progress_small;
 547         mStatusText = R.string.oauth_login_connection;
 548         updateAuthStatus();
 549
 550         // GET AUTHORIZATION request
 551         /*
 552         mOAuth2GetCodeRunnable = new OAuth2GetAuthorizationToken(, this);
 553         mOAuth2GetCodeRunnable.setListener(this, mHandler);
 554         mOAuth2GetCodeThread = new Thread(mOAuth2GetCodeRunnable);
 555         mOAuth2GetCodeThread.start();
 556         */
 557
 558         //if (mGrantType.equals(OAuth2Context.OAUTH2_AUTH_CODE_GRANT_TYPE)) {
 559         Uri uri = Uri.parse(getString(R.string.oauth_url_endpoint_auth));
 560         Uri.Builder uriBuilder = uri.buildUpon();
 561         uriBuilder.appendQueryParameter(OAuth2Context.CODE_RESPONSE_TYPE, OAuth2Context.OAUTH2_CODE_RESPONSE_TYPE);
 562         uriBuilder.appendQueryParameter(OAuth2Context.CODE_REDIRECT_URI, OAuth2Context.MY_REDIRECT_URI);
 563         uriBuilder.appendQueryParameter(OAuth2Context.CODE_CLIENT_ID, OAuth2Context.OAUTH2_F_CLIENT_ID);
 564         uriBuilder.appendQueryParameter(OAuth2Context.CODE_SCOPE, OAuth2Context.OAUTH2_F_SCOPE);
 565         //uriBuilder.appendQueryParameter(OAuth2Context.CODE_STATE, whateverwewant);
 566         uri = uriBuilder.build();
 567         Log.d(TAG, "Starting browser to view " + uri.toString());
 568         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 569         startActivity(i);
 570         //}
 571     }
 572
 573
 574     /**
 575      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 576      *
 577      * Dispatches the operation flow to the right method.
 578      */
 579     @Override
 580     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 581
 582         if (operation instanceof OwnCloudServerCheckOperation) {
 583             onOcServerCheckFinish((OwnCloudServerCheckOperation) operation, result);
 584
 585         } else if (operation instanceof OAuth2GetAccessToken) {
 586             onGetOAuthAccessTokenFinish((OAuth2GetAccessToken)operation, result);
 587
 588         } else if (operation instanceof ExistenceCheckOperation)  {
 589             onAuthorizationCheckFinish((ExistenceCheckOperation)operation, result);
 590
 591         }
 592     }
 593
 594
 595     /**
 596      * Processes the result of the server check performed when the user finishes the enter of the
 597      * server URL.
 598      *
 599      * @param operation     Server check performed.
 600      * @param result        Result of the check.
 601      */
 602     private void onOcServerCheckFinish(OwnCloudServerCheckOperation operation, RemoteOperationResult result) {
 603         /// update status icon and text
 604         updateStatusIconAndText(result);
 605         updateConnStatus();
 606
 607         /// save result state
 608         mStatusCorrect = result.isSuccess();
 609         mIsSslConn = (result.getCode() == ResultCode.OK_SSL);
 610
 611         /// very special case (TODO: move to a common place for all the remote operations)
 612         if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
 613             mLastSslUntrustedServerResult = result;
 614             showDialog(DIALOG_SSL_VALIDATOR);
 615         }
 616
 617         /// update the visibility of the 'retry connection' button
 618         if (!mStatusCorrect)
 619             mRefreshButton.setVisibility(View.VISIBLE);
 620         else
 621             mRefreshButton.setVisibility(View.INVISIBLE);
 622
 623         /// retrieve discovered version and normalize server URL
 624         mDiscoveredVersion = operation.getDiscoveredVersion();
 625         mHostBaseUrl = mHostUrlInput.getText().toString().trim();
 626         if (!mHostBaseUrl.toLowerCase().startsWith("http://") &&
 627             !mHostBaseUrl.toLowerCase().startsWith("https://")) {
 628
 629             if (mIsSslConn) {
 630                 mHostBaseUrl = "https://" + mHostBaseUrl;
 631             } else {
 632                 mHostBaseUrl = "http://" + mHostBaseUrl;
 633             }
 634
 635         }
 636         if (mHostBaseUrl.endsWith("/"))
 637             mHostBaseUrl = mHostBaseUrl.substring(0, mHostBaseUrl.length() - 1);
 638
 639         /// allow or not the user try to access the server
 640         mOkButton.setEnabled(mStatusCorrect);
 641     }
 642
 643
 644     /**
 645      * Chooses the right icon and text to show to the user for the received operation result.
 646      *
 647      * @param result    Result of a remote operation performed in this activity
 648      */
 649     private void updateStatusIconAndText(RemoteOperationResult result) {
 650         mStatusText = mStatusIcon = 0;
 651
 652         switch (result.getCode()) {
 653         case OK_SSL:
 654             mStatusIcon = android.R.drawable.ic_secure;
 655             mStatusText = R.string.auth_secure_connection;
 656             break;
 657
 658         case OK_NO_SSL:
 659         case OK:
 660             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
 661                 mStatusText = R.string.auth_connection_established;
 662                 mStatusIcon = R.drawable.ic_ok;
 663             } else {
 664                 mStatusText = R.string.auth_nossl_plain_ok_title;
 665                 mStatusIcon = android.R.drawable.ic_partial_secure;
 666             }
 667             break;
 668
 669         case SSL_RECOVERABLE_PEER_UNVERIFIED:
 670             mStatusIcon = R.drawable.common_error;
 671             mStatusText = R.string.auth_ssl_unverified_server_title;
 672             break;
 673
 674         case BAD_OC_VERSION:
 675             mStatusIcon = R.drawable.common_error;
 676             mStatusText = R.string.auth_bad_oc_version_title;
 677             break;
 678         case WRONG_CONNECTION:
 679             mStatusIcon = R.drawable.common_error;
 680             mStatusText = R.string.auth_wrong_connection_title;
 681             break;
 682         case TIMEOUT:
 683             mStatusIcon = R.drawable.common_error;
 684             mStatusText = R.string.auth_timeout_title;
 685             break;
 686         case INCORRECT_ADDRESS:
 687             mStatusIcon = R.drawable.common_error;
 688             mStatusText = R.string.auth_incorrect_address_title;
 689             break;
 690
 691         case SSL_ERROR:
 692             mStatusIcon = R.drawable.common_error;
 693             mStatusText = R.string.auth_ssl_general_error_title;
 694             break;
 695
 696         case UNAUTHORIZED:
 697             mStatusIcon = R.drawable.common_error;
 698             mStatusText = R.string.auth_unauthorized;
 699             break;
 700         case HOST_NOT_AVAILABLE:
 701             mStatusIcon = R.drawable.common_error;
 702             mStatusText = R.string.auth_unknown_host_title;
 703             break;
 704         case NO_NETWORK_CONNECTION:
 705             mStatusIcon = R.drawable.no_network;
 706             mStatusText = R.string.auth_no_net_conn_title;
 707             break;
 708         case INSTANCE_NOT_CONFIGURED:
 709             mStatusIcon = R.drawable.common_error;
 710             mStatusText = R.string.auth_not_configured_title;
 711             break;
 712         case FILE_NOT_FOUND:
 713             mStatusIcon = R.drawable.common_error;
 714             mStatusText = R.string.auth_incorrect_path_title;
 715             break;
 716         case OAUTH2_ERROR:
 717             mStatusIcon = R.drawable.common_error;
 718             mStatusText = R.string.auth_oauth_error;
 719             break;
 720         case OAUTH2_ERROR_ACCESS_DENIED:
 721             mStatusIcon = R.drawable.common_error;
 722             mStatusText = R.string.auth_oauth_error_access_denied;
 723             break;
 724         case UNHANDLED_HTTP_CODE:
 725         case UNKNOWN_ERROR:
 726             mStatusIcon = R.drawable.common_error;
 727             mStatusText = R.string.auth_unknown_error_title;
 728             break;
 729
 730         default:
 731             break;
 732         }
 733     }
 734
 735
 736     /**
 737      * Processes the result of the request for and access token send
 738      * to an OAuth authorization server.
 739      *
 740      * @param operation     Operation performed requesting the access token.
 741      * @param result        Result of the operation.
 742      */
 743     private void onGetOAuthAccessTokenFinish(OAuth2GetAccessToken operation, RemoteOperationResult result) {
 744         try {
 745             dismissDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
 746         } catch (IllegalArgumentException e) {
 747             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
 748         }
 749
 750         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, true);
 751         if (result.isSuccess() && webdav_path != null) {
 752             /// be gentle with the user
 753             showDialog(DIALOG_LOGIN_PROGRESS);
 754
 755             /// time to test the retrieved access token on the ownCloud server
 756             mOAuthAccessToken = ((OAuth2GetAccessToken)operation).getResultTokenMap().get(OAuth2Context.KEY_ACCESS_TOKEN);
 757             Log.d(TAG, "Got ACCESS TOKEN: " + mOAuthAccessToken);
 758             mAuthCheckOperation = new ExistenceCheckOperation("", this, false);
 759             WebdavClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this);
 760             client.setBearerCredentials(mOAuthAccessToken);
 761             mAuthCheckOperation.execute(client, this, mHandler);
 762
 763         } else {
 764             updateStatusIconAndText(result);
 765             updateAuthStatus();
 766             Log.d(TAG, "Access failed: " + result.getLogMessage());
 767         }
 768     }
 769
 770
 771     /**
 772      * Processes the result of the access check performed to try the user credentials.
 773      *
 774      * Creates a new account through the AccountManager.
 775      *
 776      * @param operation     Access check performed.
 777      * @param result        Result of the operation.
 778      */
 779     private void onAuthorizationCheckFinish(ExistenceCheckOperation operation, RemoteOperationResult result) {
 780         try {
 781             dismissDialog(DIALOG_LOGIN_PROGRESS);
 782         } catch (IllegalArgumentException e) {
 783             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
 784         }
 785
 786         boolean isOAuth = mOAuth2Check.isChecked();
 787
 788         if (result.isSuccess()) {
 789             Log.d(TAG, "Successful access - time to save the account");
 790
 791             /// create and save new ownCloud account
 792             Uri uri = Uri.parse(mHostBaseUrl);
 793             String username = isOAuth ?
 794                                 "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong() :
 795                                  mUsernameInput.getText().toString().trim();
 796                              // TODO a better way to set an account name
 797             String accountName = username + "@" + uri.getHost();
 798             if (uri.getPort() >= 0) {
 799                 accountName += ":" + uri.getPort();
 800             }
 801             Account account = new Account(accountName, AccountAuthenticator.ACCOUNT_TYPE);
 802             AccountManager accManager = AccountManager.get(this);
 803             if (isOAuth) {
 804                 accManager.addAccountExplicitly(account, "", null);  // with our implementation, the password is never input in the app
 805             } else {
 806                 accManager.addAccountExplicitly(account, mPasswordInput.getText().toString(), null);
 807             }
 808
 809             /// add the new account as default in preferences, if there is none already
 810             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
 811             if (defaultAccount == null) {
 812                 SharedPreferences.Editor editor = PreferenceManager
 813                         .getDefaultSharedPreferences(this).edit();
 814                 editor.putString("select_oc_account", accountName);
 815                 editor.commit();
 816             }
 817
 818
 819             /// prepare result to return to the Authenticator
 820             //  TODO check again what the Authenticator makes with it; probably has the same effect as addAccountExplicitly, but it's not well done
 821             final Intent intent = new Intent();    // TODO check if the intent can be retrieved from getIntent(), passed from AccountAuthenticator
 822             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    AccountAuthenticator.ACCOUNT_TYPE);
 823             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    account.name);
 824             if (!isOAuth)
 825                 intent.putExtra(AccountManager.KEY_AUTHTOKEN,   AccountAuthenticator.ACCOUNT_TYPE); // TODO check this; not sure it's right; maybe
 826             intent.putExtra(AccountManager.KEY_USERDATA,        username);
 827             if (isOAuth) {
 828                 accManager.setAuthToken(account, AccountAuthenticator.AUTH_TOKEN_TYPE_ACCESS_TOKEN, mOAuthAccessToken);
 829             }
 830             /// add user data to the new account; TODO probably can be done in the last parameter addAccountExplicitly, or in KEY_USERDATA
 831             accManager.setUserData(account, AccountAuthenticator.KEY_OC_VERSION,    mDiscoveredVersion.toString());
 832             accManager.setUserData(account, AccountAuthenticator.KEY_OC_BASE_URL,   mHostBaseUrl);
 833             if (isOAuth)
 834                 accManager.setUserData(account, AccountAuthenticator.KEY_SUPPORTS_OAUTH2, "TRUE");  // TODO this flag should be unnecessary
 835
 836             setAccountAuthenticatorResult(intent.getExtras());
 837             setResult(RESULT_OK, intent);
 838
 839             /// immediately request for the synchronization of the new account
 840             Bundle bundle = new Bundle();
 841             bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 842             ContentResolver.requestSync(account, AccountAuthenticator.AUTHORITY, bundle);
 843
 844             finish();
 845
 846         } else {
 847             /*
 848             if (!isOAuth) {
 849                 mUsernameInput.setError(result.getLogMessage() + "        ");
 850                                                     // the extra spaces are a workaround for an ugly bug:
 851                                                     // 1. insert wrong credentials and connect
 852                                                     // 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
 853                                                     // 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
 854                                                     // Seen, at least, in Android 2.x devices
 855
 856             } else {
 857                 mOAuthAuthEndpointText.setError(result.getLogMessage() + "        ");
 858             }*/
 859             updateStatusIconAndText(result);
 860             updateAuthStatus();
 861             Log.d(TAG, "Access failed: " + result.getLogMessage());
 862         }
 863     }
 864
 865
 866
 867     /**
 868      * {@inheritDoc}
 869      *
 870      * Necessary to update the contents of the SSL Dialog
 871      *
 872      * TODO move to some common place for all possible untrusted SSL failures
 873      */
 874     @Override
 875     protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
 876         switch (id) {
 877         case DIALOG_LOGIN_PROGRESS:
 878         case DIALOG_CERT_NOT_SAVED:
 879         case DIALOG_OAUTH2_LOGIN_PROGRESS:
 880             break;
 881         case DIALOG_SSL_VALIDATOR: {
 882             ((SslValidatorDialog)dialog).updateResult(mLastSslUntrustedServerResult);
 883             break;
 884         }
 885         default:
 886             Log.e(TAG, "Incorrect dialog called with id = " + id);
 887         }
 888     }
 889
 890
 891     /**
 892      * {@inheritDoc}
 893      */
 894     @Override
 895     protected Dialog onCreateDialog(int id) {
 896         Dialog dialog = null;
 897         switch (id) {
 898         case DIALOG_LOGIN_PROGRESS: {
 899             /// simple progress dialog
 900             ProgressDialog working_dialog = new ProgressDialog(this);
 901             working_dialog.setMessage(getResources().getString(R.string.auth_trying_to_login));
 902             working_dialog.setIndeterminate(true);
 903             working_dialog.setCancelable(true);
 904             working_dialog
 905                     .setOnCancelListener(new DialogInterface.OnCancelListener() {
 906                         @Override
 907                         public void onCancel(DialogInterface dialog) {
 908                             /// TODO study if this is enough
 909                             Log.i(TAG, "Login canceled");
 910                             if (mOperationThread != null) {
 911                                 mOperationThread.interrupt();
 912                                 finish();
 913                             }
 914                         }
 915                     });
 916             dialog = working_dialog;
 917             break;
 918         }
 919         case DIALOG_OAUTH2_LOGIN_PROGRESS: {
 920             /// oAuth2 dialog. We show here to the user the URL and user_code that the user must validate in a web browser. - OLD!
 921             // TODO optimize this dialog
 922             ProgressDialog working_dialog = new ProgressDialog(this);
 923             /* Leave the old OAuth flow
 924             try {
 925                 if (mCodeResponseJson != null && mCodeResponseJson.has(OAuth2GetCodeRunnable.CODE_VERIFICATION_URL)) {
 926                     working_dialog.setMessage(String.format(getString(R.string.oauth_code_validation_message),
 927                             mCodeResponseJson.getString(OAuth2GetCodeRunnable.CODE_VERIFICATION_URL),
 928                             mCodeResponseJson.getString(OAuth2GetCodeRunnable.CODE_USER_CODE)));
 929                 } else {*/
 930                     working_dialog.setMessage(String.format("Getting authorization"));
 931                 /*}
 932             } catch (JSONException e) {
 933                 Log.e(TAG, "onCreateDialog->JSONException: " + e.toString());
 934             }*/
 935             working_dialog.setIndeterminate(true);
 936             working_dialog.setCancelable(true);
 937             working_dialog
 938             .setOnCancelListener(new DialogInterface.OnCancelListener() {
 939                 @Override
 940                 public void onCancel(DialogInterface dialog) {
 941                     Log.i(TAG, "Login canceled");
 942                     /*if (mOAuth2GetCodeThread != null) {
 943                         mOAuth2GetCodeThread.interrupt();
 944                         finish();
 945                     } */
 946                     /*if (tokenReceiver != null) {
 947                         unregisterReceiver(tokenReceiver);
 948                         tokenReceiver = null;
 949                         finish();
 950                     }*/
 951                     finish();
 952                 }
 953             });
 954             dialog = working_dialog;
 955             break;
 956         }
 957         case DIALOG_SSL_VALIDATOR: {
 958             /// TODO start to use new dialog interface, at least for this (it is a FragmentDialog already)
 959             dialog = SslValidatorDialog.newInstance(this, mLastSslUntrustedServerResult, this);
 960             break;
 961         }
 962         case DIALOG_CERT_NOT_SAVED: {
 963             AlertDialog.Builder builder = new AlertDialog.Builder(this);
 964             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
 965             builder.setCancelable(false);
 966             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
 967                     @Override
 968                     public void onClick(DialogInterface dialog, int which) {
 969                         dialog.dismiss();
 970                     };
 971                 });
 972             dialog = builder.create();
 973             break;
 974         }
 975         default:
 976             Log.e(TAG, "Incorrect dialog called with id = " + id);
 977         }
 978         return dialog;
 979     }
 980
 981
 982     /**
 983      * Starts and activity to open the 'new account' page in the ownCloud web site
 984      *
 985      * @param view      'Account register' button
 986      */
 987     public void onRegisterClick(View view) {
 988         Intent register = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.url_account_register)));
 989         setResult(RESULT_CANCELED);
 990         startActivity(register);
 991     }
 992
 993
 994     /**
 995      * Updates the content and visibility state of the icon and text associated
 996      * to the last check on the ownCloud server.
 997      */
 998     private void updateConnStatus() {
 999         ImageView iv = (ImageView) findViewById(R.id.action_indicator);
1000         TextView tv = (TextView) findViewById(R.id.status_text);
1001
1002         if (mStatusIcon == 0 && mStatusText == 0) {
1003             iv.setVisibility(View.INVISIBLE);
1004             tv.setVisibility(View.INVISIBLE);
1005         } else {
1006             iv.setImageResource(mStatusIcon);
1007             tv.setText(mStatusText);
1008             iv.setVisibility(View.VISIBLE);
1009             tv.setVisibility(View.VISIBLE);
1010         }
1011     }
1012
1013
1014     /**
1015      * Updates the content and visibility state of the icon and text associated
1016      * to the interactions with the OAuth authorization server.
1017      */
1018     private void updateAuthStatus() {
1019         /*ImageView iv = (ImageView) findViewById(R.id.auth_status_icon);
1020         TextView tv = (TextView) findViewById(R.id.auth_status_text);*/
1021
1022         if (mStatusIcon == 0 && mStatusText == 0) {
1023             mAuthStatusLayout.setVisibility(View.INVISIBLE);
1024             /*iv.setVisibility(View.INVISIBLE);
1025             tv.setVisibility(View.INVISIBLE);*/
1026         } else {
1027             mAuthStatusLayout.setText(mStatusText);
1028             mAuthStatusLayout.setCompoundDrawablesWithIntrinsicBounds(mStatusIcon, 0, 0, 0);
1029             /*iv.setImageResource(mStatusIcon);
1030             tv.setText(mStatusText);
1031             /*iv.setVisibility(View.VISIBLE);
1032             tv.setVisibility(View.VISIBLE);^*/
1033             mAuthStatusLayout.setVisibility(View.VISIBLE);
1034         }
1035     }
1036
1037
1038     /**
1039      * Called when the refresh button in the input field for ownCloud host is clicked.
1040      *
1041      * Performs a new check on the URL in the input field.
1042      *
1043      * @param view      Refresh 'button'
1044      */
1045     public void onRefreshClick(View view) {
1046         onFocusChange(mRefreshButton, false);
1047     }
1048
1049
1050     /**
1051      * Called when the eye icon in the password field is clicked.
1052      *
1053      * Toggles the visibility of the password in the field.
1054      *
1055      * @param view      'View password' 'button'
1056      */
1057     public void onViewPasswordClick(View view) {
1058         int selectionStart = mPasswordInput.getSelectionStart();
1059         int selectionEnd = mPasswordInput.getSelectionEnd();
1060         int input_type = mPasswordInput.getInputType();
1061         if ((input_type & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) {
1062             input_type = InputType.TYPE_CLASS_TEXT
1063                     | InputType.TYPE_TEXT_VARIATION_PASSWORD;
1064         } else {
1065             input_type = InputType.TYPE_CLASS_TEXT
1066                     | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD;
1067         }
1068         mPasswordInput.setInputType(input_type);
1069         mPasswordInput.setSelection(selectionStart, selectionEnd);
1070     }
1071
1072
1073     /**
1074      * Called when the checkbox for OAuth authorization is clicked.
1075      *
1076      * Hides or shows the input fields for user & password.
1077      *
1078      * @param view      'View password' 'button'
1079      */
1080     public void onCheckClick(View view) {
1081         CheckBox oAuth2Check = (CheckBox)view;
1082         changeViewByOAuth2Check(oAuth2Check.isChecked());
1083
1084     }
1085
1086     /**
1087      * Changes the visibility of input elements depending upon the kind of authorization
1088      * chosen by the user: basic or OAuth
1089      *
1090      * @param checked       'True' when OAuth is selected.
1091      */
1092     public void changeViewByOAuth2Check(Boolean checked) {
1093
1094         if (checked) {
1095             mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
1096             mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
1097             mUsernameInput.setVisibility(View.GONE);
1098             mPasswordInput.setVisibility(View.GONE);
1099             mViewPasswordButton.setVisibility(View.GONE);
1100         } else {
1101             mOAuthAuthEndpointText.setVisibility(View.GONE);
1102             mOAuthTokenEndpointText.setVisibility(View.GONE);
1103             mUsernameInput.setVisibility(View.VISIBLE);
1104             mPasswordInput.setVisibility(View.VISIBLE);
1105             mViewPasswordButton.setVisibility(View.INVISIBLE);
1106         }
1107
1108     }
1109
1110     /* Leave the old OAuth flow
1111     // Results from the first call to oAuth2 server : getting the user_code and verification_url.
1112     @Override
1113     public void onOAuth2GetCodeResult(ResultOAuthType type, JSONObject responseJson) {
1114         if ((type == ResultOAuthType.OK_SSL)||(type == ResultOAuthType.OK_NO_SSL)) {
1115             mCodeResponseJson = responseJson;
1116             if (mCodeResponseJson != null) {
1117                 getOAuth2AccessTokenFromJsonResponse();
1118             }  // else - nothing to do here - wait for callback !!!
1119
1120         } else if (type == ResultOAuthType.HOST_NOT_AVAILABLE) {
1121             updateOAuth2IconAndText(R.drawable.common_error, R.string.oauth_connection_url_unavailable);
1122         }
1123     }
1124
1125     // If the results of getting the user_code and verification_url are OK, we get the received data and we start
1126     // the polling service to oAuth2 server to get a valid token.
1127     private void getOAuth2AccessTokenFromJsonResponse() {
1128         String deviceCode = null;
1129         String verificationUrl = null;
1130         String userCode = null;
1131         int expiresIn = -1;
1132         int interval = -1;
1133
1134         Log.d(TAG, "ResponseOAuth2->" + mCodeResponseJson.toString());
1135
1136         try {
1137             // We get data that we must show to the user or we will use internally.
1138             verificationUrl = mCodeResponseJson.getString(OAuth2GetAuthorizationToken.CODE_VERIFICATION_URL);
1139             userCode = mCodeResponseJson.getString(OAuth2GetAuthorizationToken.CODE_USER_CODE);
1140             expiresIn = mCodeResponseJson.getInt(OAuth2GetAuthorizationToken.CODE_EXPIRES_IN);
1141
1142             // And we get data that we must use to get a token.
1143             deviceCode = mCodeResponseJson.getString(OAuth2GetAuthorizationToken.CODE_DEVICE_CODE);
1144             interval = mCodeResponseJson.getInt(OAuth2GetAuthorizationToken.CODE_INTERVAL);
1145
1146         } catch (JSONException e) {
1147             Log.e(TAG, "Exception accesing data in Json object" + e.toString());
1148         }
1149
1150         // Updating status widget to OK.
1151         updateOAuth2IconAndText(R.drawable.ic_ok, R.string.auth_connection_established);
1152
1153         // Showing the dialog with instructions for the user.
1154         showDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
1155
1156         // Loggin all the data.
1157         Log.d(TAG, "verificationUrl->" + verificationUrl);
1158         Log.d(TAG, "userCode->" + userCode);
1159         Log.d(TAG, "deviceCode->" + deviceCode);
1160         Log.d(TAG, "expiresIn->" + expiresIn);
1161         Log.d(TAG, "interval->" + interval);
1162
1163         // Starting the pooling service.
1164         try {
1165             Intent tokenService = new Intent(this, OAuth2GetTokenService.class);
1166             tokenService.putExtra(OAuth2GetTokenService.TOKEN_URI, OAuth2Context.OAUTH2_G_DEVICE_GETTOKEN_URL);
1167             tokenService.putExtra(OAuth2GetTokenService.TOKEN_DEVICE_CODE, deviceCode);
1168             tokenService.putExtra(OAuth2GetTokenService.TOKEN_INTERVAL, interval);
1169
1170             startService(tokenService);
1171         }
1172         catch (Exception e) {
1173             Log.e(TAG, "tokenService creation problem :", e);
1174         }
1175
1176     }
1177     */
1178
1179     /* Leave the old OAuth flow
1180     // We get data from the oAuth2 token service with this broadcast receiver.
1181     private class TokenReceiver extends BroadcastReceiver {
1182         /**
1183          * The token is received.
1184          *  @author
1185          * {@link BroadcastReceiver} to enable oAuth2 token receiving.
1186          *-/
1187         @Override
1188         public void onReceive(Context context, Intent intent) {
1189             @SuppressWarnings("unchecked")
1190             HashMap<String, String> tokenResponse = (HashMap<String, String>)intent.getExtras().get(OAuth2GetTokenService.TOKEN_RECEIVED_DATA);
1191             Log.d(TAG, "TokenReceiver->" + tokenResponse.get(OAuth2GetTokenService.TOKEN_ACCESS_TOKEN));
1192             dismissDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
1193
1194         }
1195     }
1196     */
1197
1198
1199     /**
1200      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1201      */
1202     public void onSavedCertificate() {
1203         mOperationThread = mOcServerChkOperation.retry(this, mHandler);
1204     }
1205
1206     /**
1207      * Called from SslValidatorDialog when a new server certificate could not be saved
1208      * when the user requested it.
1209      */
1210     @Override
1211     public void onFailedSavingCertificate() {
1212         showDialog(DIALOG_CERT_NOT_SAVED);
1213     }
1214
1215 }