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 2 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_ACCOUNT = "ACCOUNT";
  86     private static final String KEY_STATUS_TEXT = "STATUS_TEXT";
  87     private static final String KEY_STATUS_ICON = "STATUS_ICON";
  88     private static final String KEY_STATUS_CORRECT = "STATUS_CORRECT";
  89     private static final String KEY_IS_SSL_CONN = "IS_SSL_CONN";
  90     private static final String KEY_OAUTH2_STATUS_TEXT = "OAUTH2_STATUS_TEXT";
  91     private static final String KEY_OAUTH2_STATUS_ICON = "OAUTH2_STATUS_ICON";
  92
  93     private static final int DIALOG_LOGIN_PROGRESS = 0;
  94     private static final int DIALOG_SSL_VALIDATOR = 1;
  95     private static final int DIALOG_CERT_NOT_SAVED = 2;
  96     private static final int DIALOG_OAUTH2_LOGIN_PROGRESS = 3;
  97
  98     public static final byte ACTION_CREATE = 0;
  99     public static final byte ACTION_UPDATE_TOKEN = 1;
 100
 101
 102     private String mHostBaseUrl;
 103     private OwnCloudVersion mDiscoveredVersion;
 104
 105     private int mStatusText, mStatusIcon;
 106     private boolean mStatusCorrect, mIsSslConn;
 107     private int mOAuth2StatusText, mOAuth2StatusIcon;
 108
 109     private final Handler mHandler = new Handler();
 110     private Thread mOperationThread;
 111     private OwnCloudServerCheckOperation mOcServerChkOperation;
 112     private ExistenceCheckOperation mAuthCheckOperation;
 113     private RemoteOperationResult mLastSslUntrustedServerResult;
 114
 115     //private Thread mOAuth2GetCodeThread;
 116     //private OAuth2GetAuthorizationToken mOAuth2GetCodeRunnable;
 117     //private TokenReceiver tokenReceiver;
 118     //private JSONObject mCodeResponseJson;
 119     private Uri mNewCapturedUriFromOAuth2Redirection;
 120
 121     private AccountManager mAccountMgr;
 122     private boolean mJustCreated;
 123     private byte mAction;
 124     private Account mAccount;
 125
 126     private ImageView mRefreshButton;
 127     private ImageView mViewPasswordButton;
 128     private EditText mHostUrlInput;
 129     private EditText mUsernameInput;
 130     private EditText mPasswordInput;
 131     private CheckBox mOAuth2Check;
 132     private String mOAuthAccessToken;
 133     private View mOkButton;
 134     private TextView mAuthStatusLayout;
 135
 136     private TextView mOAuthAuthEndpointText;
 137     private TextView mOAuthTokenEndpointText;
 138
 139
 140     /**
 141      * {@inheritDoc}
 142      *
 143      * IMPORTANT ENTRY POINT 1: activity is shown to the user
 144      */
 145     @Override
 146     protected void onCreate(Bundle savedInstanceState) {
 147         super.onCreate(savedInstanceState);
 148         getWindow().requestFeature(Window.FEATURE_NO_TITLE);
 149
 150         /// set view and get references to view elements
 151         setContentView(R.layout.account_setup);
 152         mRefreshButton = (ImageView) findViewById(R.id.refreshButton);
 153         mViewPasswordButton = (ImageView) findViewById(R.id.viewPasswordButton);
 154         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 155         mUsernameInput = (EditText) findViewById(R.id.account_username);
 156         mPasswordInput = (EditText) findViewById(R.id.account_password);
 157         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 158         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 159         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 160         mOkButton = findViewById(R.id.buttonOK);
 161         mAuthStatusLayout = (TextView) findViewById(R.id.auth_status_text);
 162
 163
 164         /// complete label for 'register account' button
 165         Button b = (Button) findViewById(R.id.account_register);
 166         if (b != null) {
 167             b.setText(String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 168         }
 169
 170         /// bind view elements to listeners
 171         mHostUrlInput.setOnFocusChangeListener(this);
 172         mPasswordInput.setOnFocusChangeListener(this);
 173
 174         /// initialization
 175         mAccountMgr = AccountManager.get(this);
 176         mNewCapturedUriFromOAuth2Redirection = null;    // TODO save?
 177         mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE);
 178         mAccount = null;
 179
 180         if (savedInstanceState == null) {
 181             /// connection state and info
 182             mStatusText = mStatusIcon = 0;
 183             mStatusCorrect = false;
 184             mIsSslConn = false;
 185
 186             /// retrieve extras from intent
 187             String tokenType = getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 188             boolean oAuthRequired = AccountAuthenticator.AUTH_TOKEN_TYPE_ACCESS_TOKEN.equals(tokenType);
 189
 190             mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 191             if (mAccount != null) {
 192                 String ocVersion = mAccountMgr.getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION);
 193                 if (ocVersion != null) {
 194                     mDiscoveredVersion = new OwnCloudVersion(ocVersion);
 195                 }
 196                 mHostBaseUrl = mAccountMgr.getUserData(mAccount, AccountAuthenticator.KEY_OC_BASE_URL);
 197                 mHostUrlInput.setText(mHostBaseUrl);
 198                 String userName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 199                 mUsernameInput.setText(userName);
 200                 oAuthRequired = (mAccountMgr.getUserData(mAccount, AccountAuthenticator.KEY_SUPPORTS_OAUTH2) != null);
 201             }
 202             mOAuth2Check.setChecked(oAuthRequired);
 203             changeViewByOAuth2Check(oAuthRequired);
 204
 205
 206         } else {
 207             loadSavedInstanceState(savedInstanceState);
 208         }
 209
 210         if (mAction == ACTION_UPDATE_TOKEN) {
 211             /// lock things that should not change
 212             mHostUrlInput.setEnabled(false);
 213             mUsernameInput.setEnabled(false);
 214             mOAuth2Check.setVisibility(View.GONE);
 215             checkOcServer();
 216         }
 217
 218         mPasswordInput.setText("");     // clean password to avoid social hacking (disadvantage: password in removed if the device is turned aside)
 219         mJustCreated = true;
 220     }
 221
 222
 223     /**
 224      * Saves relevant state before {@link #onPause()}
 225      *
 226      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag, intended to defer the
 227      * processing of the redirection caught in {@link #onNewIntent(Intent)} until {@link #onResume()}
 228      *
 229      * See {@link #loadSavedInstanceState(Bundle)}
 230      */
 231     @Override
 232     protected void onSaveInstanceState(Bundle outState) {
 233         super.onSaveInstanceState(outState);
 234
 235         /// connection state and info
 236         outState.putInt(KEY_STATUS_TEXT, mStatusText);
 237         outState.putInt(KEY_STATUS_ICON, mStatusIcon);
 238         outState.putBoolean(KEY_STATUS_CORRECT, mStatusCorrect);
 239         outState.putBoolean(KEY_IS_SSL_CONN, mIsSslConn);
 240
 241         /// server data
 242         if (mDiscoveredVersion != null)
 243             outState.putString(KEY_OC_VERSION, mDiscoveredVersion.toString());
 244         outState.putString(KEY_HOST_URL_TEXT, mHostBaseUrl);
 245
 246         /// account data, if updating
 247         if (mAccount != null)
 248             outState.putParcelable(KEY_ACCOUNT, mAccount);
 249
 250         // Saving the state of oAuth2 components.
 251         outState.putInt(KEY_OAUTH2_STATUS_ICON, mOAuth2StatusIcon);
 252         outState.putInt(KEY_OAUTH2_STATUS_TEXT, mOAuth2StatusText);
 253
 254         /* Leave old OAuth flow
 255         if (codeResponseJson != null){
 256             outState.putString(KEY_OAUTH2_CODE_RESULT, codeResponseJson.toString());
 257         }
 258         */
 259     }
 260
 261
 262     /**
 263      * Loads saved state
 264      *
 265      * See {@link #onSaveInstanceState(Bundle)}.
 266      *
 267      * @param savedInstanceState    Saved state, as received in {@link #onCreate(Bundle)}.
 268      */
 269     private void loadSavedInstanceState(Bundle savedInstanceState) {
 270         /// connection state and info
 271         mStatusCorrect = savedInstanceState.getBoolean(KEY_STATUS_CORRECT);
 272         mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 273         mStatusText = savedInstanceState.getInt(KEY_STATUS_TEXT);
 274         mStatusIcon = savedInstanceState.getInt(KEY_STATUS_ICON);
 275         updateConnStatus();
 276
 277         /// UI settings depending upon connection
 278         mOkButton.setEnabled(mStatusCorrect);   // TODO really necessary?
 279         if (!mStatusCorrect)
 280             mRefreshButton.setVisibility(View.VISIBLE); // seems that setting visibility is necessary
 281         else
 282             mRefreshButton.setVisibility(View.INVISIBLE);
 283
 284         /// server data
 285         String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 286         if (ocVersion != null)
 287             mDiscoveredVersion = new OwnCloudVersion(ocVersion);
 288         mHostBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 289
 290         // account data, if updating
 291         mAccount = savedInstanceState.getParcelable(KEY_ACCOUNT);
 292
 293         // state of oAuth2 components
 294         mOAuth2StatusIcon = savedInstanceState.getInt(KEY_OAUTH2_STATUS_ICON);
 295         mOAuth2StatusText = savedInstanceState.getInt(KEY_OAUTH2_STATUS_TEXT);
 296
 297         /* Leave old OAuth flow
 298         // We store a JSon object with all the data returned from oAuth2 server when we get user_code.
 299         // Is better than store variable by variable. We use String object to serialize from/to it.
 300            try {
 301             if (savedInstanceState.containsKey(KEY_OAUTH2_CODE_RESULT)) {
 302                 codeResponseJson = new JSONObject(savedInstanceState.getString(KEY_OAUTH2_CODE_RESULT));
 303             }
 304         } catch (JSONException e) {
 305             Log.e(TAG, "onCreate->JSONException: " + e.toString());
 306         }*/
 307         // END of getting the state of oAuth2 components.
 308
 309     }
 310
 311
 312     /**
 313      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION request
 314      * is caught here.
 315      *
 316      * To make this possible, this activity needs to be qualified with android:launchMode = "singleTask" in the
 317      * AndroidManifest.xml file.
 318      */
 319     @Override
 320     protected void onNewIntent (Intent intent) {
 321         Log.d(TAG, "onNewIntent()");
 322         Uri data = intent.getData();
 323         if (data != null && data.toString().startsWith(OAuth2Context.MY_REDIRECT_URI)) {
 324             mNewCapturedUriFromOAuth2Redirection = data;
 325         }
 326     }
 327
 328
 329     /**
 330      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION, and
 331      * deferred in {@link #onNewIntent(Intent)}, is processed here.
 332      */
 333     @Override
 334     protected void onResume() {
 335         super.onResume();
 336         // the state of mOAuth2Check is automatically recovered between configuration changes, but not before onCreate() finishes; so keep the next lines here
 337         changeViewByOAuth2Check(mOAuth2Check.isChecked());
 338         if (mAction == ACTION_UPDATE_TOKEN && mJustCreated) {
 339             if (mOAuth2Check.isChecked())
 340                 Toast.makeText(this, R.string.auth_expired_oauth_token_toast, Toast.LENGTH_LONG).show();
 341             else
 342                 Toast.makeText(this, R.string.auth_expired_basic_auth_toast, Toast.LENGTH_LONG).show();
 343         }
 344
 345
 346         /* LEAVE OLD OAUTH FLOW ;
 347         // (old oauth code) Registering token receiver. We must listening to the service that is pooling to the oAuth server for a token.
 348         if (tokenReceiver == null) {
 349             IntentFilter tokenFilter = new IntentFilter(OAuth2GetTokenService.TOKEN_RECEIVED_MESSAGE);
 350             tokenReceiver = new TokenReceiver();
 351             this.registerReceiver(tokenReceiver,tokenFilter);
 352         } */
 353         // (new oauth code)
 354         if (mNewCapturedUriFromOAuth2Redirection != null) {
 355             getOAuth2AccessTokenFromCapturedRedirection();
 356         }
 357
 358         mJustCreated = false;
 359     }
 360
 361
 362     @Override protected void onDestroy() {
 363         super.onDestroy();
 364
 365         /* LEAVE OLD OAUTH FLOW
 366         // We must stop the service thats it's pooling to oAuth2 server for a token.
 367         Intent tokenService = new Intent(this, OAuth2GetTokenService.class);
 368         stopService(tokenService);
 369
 370         // We stop listening the result of the pooling service.
 371         if (tokenReceiver != null) {
 372             unregisterReceiver(tokenReceiver);
 373             tokenReceiver = null;
 374         }*/
 375
 376     }
 377
 378
 379     /**
 380      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 381      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 382      */
 383     private void getOAuth2AccessTokenFromCapturedRedirection() {
 384         /// Parse data from OAuth redirection
 385         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 386         mNewCapturedUriFromOAuth2Redirection = null;
 387
 388         /// Showing the dialog with instructions for the user.
 389         showDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
 390
 391         /// GET ACCESS TOKEN to the oAuth server
 392         RemoteOperation operation = new OAuth2GetAccessToken(queryParameters);
 393         WebdavClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(getString(R.string.oauth_url_endpoint_access)), getApplicationContext());
 394         operation.execute(client, this, mHandler);
 395     }
 396
 397
 398
 399     /**
 400      * Handles the change of focus on the text inputs for the server URL and the password
 401      */
 402     public void onFocusChange(View view, boolean hasFocus) {
 403         if (view.getId() == R.id.hostUrlInput) {
 404             onUrlInputFocusChanged((TextView) view, hasFocus);
 405
 406         } else if (view.getId() == R.id.account_password) {
 407             onPasswordFocusChanged((TextView) view, hasFocus);
 408         }
 409     }
 410
 411
 412     /**
 413      * Handles changes in focus on the text input for the server URL.
 414      *
 415      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 416      * other field. The operation to check the existence of the server in the entered URL is
 417      * started.
 418      *
 419      * When hasFocus:    user 'comes back' to write again the server URL.
 420      *
 421      * @param hostInput     TextView with the URL input field receiving the change of focus.
 422      * @param hasFocus      'True' if focus is received, 'false' if is lost
 423      */
 424     private void onUrlInputFocusChanged(TextView hostInput, boolean hasFocus) {
 425         if (!hasFocus) {
 426             checkOcServer();
 427
 428         } else {
 429             // avoids that the 'connect' button can be clicked if the test was previously passed
 430             mOkButton.setEnabled(false);
 431         }
 432     }
 433
 434
 435     private void checkOcServer() {
 436         String uri = mHostUrlInput.getText().toString().trim();
 437         if (uri.length() != 0) {
 438             mStatusText = R.string.auth_testing_connection;
 439             mStatusIcon = R.drawable.progress_small;
 440             updateConnStatus();
 441             /** TODO cancel previous connection check if the user tries to ammend a wrong URL
 442             if(mConnChkOperation != null) {
 443                 mConnChkOperation.cancel();
 444             } */
 445             mOcServerChkOperation = new  OwnCloudServerCheckOperation(uri, this);
 446             WebdavClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(uri), this);
 447             mHostBaseUrl = "";
 448             mDiscoveredVersion = null;
 449             mOperationThread = mOcServerChkOperation.execute(client, this, mHandler);
 450         } else {
 451             mRefreshButton.setVisibility(View.INVISIBLE);
 452             mStatusText = 0;
 453             mStatusIcon = 0;
 454             updateConnStatus();
 455         }
 456     }
 457
 458
 459     /**
 460      * Handles changes in focus on the text input for the password (basic authorization).
 461      *
 462      * When (hasFocus), the button to toggle password visibility is shown.
 463      *
 464      * When (!hasFocus), the button is made invisible and the password is hidden.
 465      *
 466      * @param passwordInput    TextView with the password input field receiving the change of focus.
 467      * @param hasFocus          'True' if focus is received, 'false' if is lost
 468      */
 469     private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {
 470         if (hasFocus) {
 471             mViewPasswordButton.setVisibility(View.VISIBLE);
 472         } else {
 473             int input_type = InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD;
 474             passwordInput.setInputType(input_type);
 475             mViewPasswordButton.setVisibility(View.INVISIBLE);
 476         }
 477     }
 478
 479
 480
 481     /**
 482      * Cancels the authenticator activity
 483      *
 484      * IMPORTANT ENTRY POINT 3: Never underestimate the importance of cancellation
 485      *
 486      * This method is bound in the layout/acceoun_setup.xml resource file.
 487      *
 488      * @param view      Cancel button
 489      */
 490     public void onCancelClick(View view) {
 491         setResult(RESULT_CANCELED);     // TODO review how is this related to AccountAuthenticator
 492         finish();
 493     }
 494
 495
 496
 497     /**
 498      * Checks the credentials of the user in the root of the ownCloud server
 499      * before creating a new local account.
 500      *
 501      * For basic authorization, a check of existence of the root folder is
 502      * performed.
 503      *
 504      * For OAuth, starts the flow to get an access token; the credentials test
 505      * is postponed until it is available.
 506      *
 507      * IMPORTANT ENTRY POINT 4
 508      *
 509      * @param view      OK button
 510      */
 511     public void onOkClick(View view) {
 512         // this check should be unnecessary
 513         if (mDiscoveredVersion == null || !mDiscoveredVersion.isVersionValid()  || mHostBaseUrl == null || mHostBaseUrl.length() == 0) {
 514             mStatusIcon = R.drawable.common_error;
 515             mStatusText = R.string.auth_wtf_reenter_URL;
 516             updateConnStatus();
 517             mOkButton.setEnabled(false);
 518             Log.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");
 519             return;
 520         }
 521
 522         if (mOAuth2Check.isChecked()) {
 523             startOauthorization();
 524
 525         } else {
 526             checkBasicAuthorization();
 527         }
 528     }
 529
 530
 531     /**
 532      * Tests the credentials entered by the user performing a check of existence on
 533      * the root folder of the ownCloud server.
 534      */
 535     private void checkBasicAuthorization() {
 536         /// get the path to the root folder through WebDAV from the version server
 537         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, false);
 538
 539         /// get basic credentials entered by user
 540         String username = mUsernameInput.getText().toString();
 541         String password = mPasswordInput.getText().toString();
 542
 543         /// be gentle with the user
 544         showDialog(DIALOG_LOGIN_PROGRESS);
 545
 546         /// test credentials accessing the root folder
 547         mAuthCheckOperation = new  ExistenceCheckOperation("", this, false);
 548         WebdavClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this);
 549         client.setBasicCredentials(username, password);
 550         mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
 551     }
 552
 553
 554     /**
 555      * Starts the OAuth 'grant type' flow to get an access token, with
 556      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 557      */
 558     private void startOauthorization() {
 559         // be gentle with the user
 560         mStatusIcon = R.drawable.progress_small;
 561         mStatusText = R.string.oauth_login_connection;
 562         updateAuthStatus();
 563
 564         // GET AUTHORIZATION request
 565         /*
 566         mOAuth2GetCodeRunnable = new OAuth2GetAuthorizationToken(, this);
 567         mOAuth2GetCodeRunnable.setListener(this, mHandler);
 568         mOAuth2GetCodeThread = new Thread(mOAuth2GetCodeRunnable);
 569         mOAuth2GetCodeThread.start();
 570         */
 571
 572         //if (mGrantType.equals(OAuth2Context.OAUTH2_AUTH_CODE_GRANT_TYPE)) {
 573         Uri uri = Uri.parse(getString(R.string.oauth_url_endpoint_auth));
 574         Uri.Builder uriBuilder = uri.buildUpon();
 575         uriBuilder.appendQueryParameter(OAuth2Context.CODE_RESPONSE_TYPE, OAuth2Context.OAUTH2_CODE_RESPONSE_TYPE);
 576         uriBuilder.appendQueryParameter(OAuth2Context.CODE_REDIRECT_URI, OAuth2Context.MY_REDIRECT_URI);
 577         uriBuilder.appendQueryParameter(OAuth2Context.CODE_CLIENT_ID, OAuth2Context.OAUTH2_F_CLIENT_ID);
 578         uriBuilder.appendQueryParameter(OAuth2Context.CODE_SCOPE, OAuth2Context.OAUTH2_F_SCOPE);
 579         //uriBuilder.appendQueryParameter(OAuth2Context.CODE_STATE, whateverwewant);
 580         uri = uriBuilder.build();
 581         Log.d(TAG, "Starting browser to view " + uri.toString());
 582         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 583         startActivity(i);
 584         //}
 585     }
 586
 587
 588     /**
 589      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 590      *
 591      * Dispatches the operation flow to the right method.
 592      */
 593     @Override
 594     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 595
 596         if (operation instanceof OwnCloudServerCheckOperation) {
 597             onOcServerCheckFinish((OwnCloudServerCheckOperation) operation, result);
 598
 599         } else if (operation instanceof OAuth2GetAccessToken) {
 600             onGetOAuthAccessTokenFinish((OAuth2GetAccessToken)operation, result);
 601
 602         } else if (operation instanceof ExistenceCheckOperation)  {
 603             onAuthorizationCheckFinish((ExistenceCheckOperation)operation, result);
 604
 605         }
 606     }
 607
 608
 609     /**
 610      * Processes the result of the server check performed when the user finishes the enter of the
 611      * server URL.
 612      *
 613      * @param operation     Server check performed.
 614      * @param result        Result of the check.
 615      */
 616     private void onOcServerCheckFinish(OwnCloudServerCheckOperation operation, RemoteOperationResult result) {
 617         /// update status icon and text
 618         updateStatusIconAndText(result);
 619         updateConnStatus();
 620
 621         /// save result state
 622         mStatusCorrect = result.isSuccess();
 623         mIsSslConn = (result.getCode() == ResultCode.OK_SSL);
 624
 625         /// very special case (TODO: move to a common place for all the remote operations)
 626         if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
 627             mLastSslUntrustedServerResult = result;
 628             showDialog(DIALOG_SSL_VALIDATOR);
 629         }
 630
 631         /// update the visibility of the 'retry connection' button
 632         if (!mStatusCorrect)
 633             mRefreshButton.setVisibility(View.VISIBLE);
 634         else
 635             mRefreshButton.setVisibility(View.INVISIBLE);
 636
 637         /// retrieve discovered version and normalize server URL
 638         mDiscoveredVersion = operation.getDiscoveredVersion();
 639         mHostBaseUrl = mHostUrlInput.getText().toString().trim();
 640         if (!mHostBaseUrl.toLowerCase().startsWith("http://") &&
 641             !mHostBaseUrl.toLowerCase().startsWith("https://")) {
 642
 643             if (mIsSslConn) {
 644                 mHostBaseUrl = "https://" + mHostBaseUrl;
 645             } else {
 646                 mHostBaseUrl = "http://" + mHostBaseUrl;
 647             }
 648
 649         }
 650         if (mHostBaseUrl.endsWith("/"))
 651             mHostBaseUrl = mHostBaseUrl.substring(0, mHostBaseUrl.length() - 1);
 652
 653         /// allow or not the user try to access the server
 654         mOkButton.setEnabled(mStatusCorrect);
 655     }
 656
 657
 658     /**
 659      * Chooses the right icon and text to show to the user for the received operation result.
 660      *
 661      * @param result    Result of a remote operation performed in this activity
 662      */
 663     private void updateStatusIconAndText(RemoteOperationResult result) {
 664         mStatusText = mStatusIcon = 0;
 665
 666         switch (result.getCode()) {
 667         case OK_SSL:
 668             mStatusIcon = android.R.drawable.ic_secure;
 669             mStatusText = R.string.auth_secure_connection;
 670             break;
 671
 672         case OK_NO_SSL:
 673         case OK:
 674             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
 675                 mStatusText = R.string.auth_connection_established;
 676                 mStatusIcon = R.drawable.ic_ok;
 677             } else {
 678                 mStatusText = R.string.auth_nossl_plain_ok_title;
 679                 mStatusIcon = android.R.drawable.ic_partial_secure;
 680             }
 681             break;
 682
 683         case SSL_RECOVERABLE_PEER_UNVERIFIED:
 684             mStatusIcon = R.drawable.common_error;
 685             mStatusText = R.string.auth_ssl_unverified_server_title;
 686             break;
 687
 688         case BAD_OC_VERSION:
 689             mStatusIcon = R.drawable.common_error;
 690             mStatusText = R.string.auth_bad_oc_version_title;
 691             break;
 692         case WRONG_CONNECTION:
 693             mStatusIcon = R.drawable.common_error;
 694             mStatusText = R.string.auth_wrong_connection_title;
 695             break;
 696         case TIMEOUT:
 697             mStatusIcon = R.drawable.common_error;
 698             mStatusText = R.string.auth_timeout_title;
 699             break;
 700         case INCORRECT_ADDRESS:
 701             mStatusIcon = R.drawable.common_error;
 702             mStatusText = R.string.auth_incorrect_address_title;
 703             break;
 704
 705         case SSL_ERROR:
 706             mStatusIcon = R.drawable.common_error;
 707             mStatusText = R.string.auth_ssl_general_error_title;
 708             break;
 709
 710         case UNAUTHORIZED:
 711             mStatusIcon = R.drawable.common_error;
 712             mStatusText = R.string.auth_unauthorized;
 713             break;
 714         case HOST_NOT_AVAILABLE:
 715             mStatusIcon = R.drawable.common_error;
 716             mStatusText = R.string.auth_unknown_host_title;
 717             break;
 718         case NO_NETWORK_CONNECTION:
 719             mStatusIcon = R.drawable.no_network;
 720             mStatusText = R.string.auth_no_net_conn_title;
 721             break;
 722         case INSTANCE_NOT_CONFIGURED:
 723             mStatusIcon = R.drawable.common_error;
 724             mStatusText = R.string.auth_not_configured_title;
 725             break;
 726         case FILE_NOT_FOUND:
 727             mStatusIcon = R.drawable.common_error;
 728             mStatusText = R.string.auth_incorrect_path_title;
 729             break;
 730         case OAUTH2_ERROR:
 731             mStatusIcon = R.drawable.common_error;
 732             mStatusText = R.string.auth_oauth_error;
 733             break;
 734         case OAUTH2_ERROR_ACCESS_DENIED:
 735             mStatusIcon = R.drawable.common_error;
 736             mStatusText = R.string.auth_oauth_error_access_denied;
 737             break;
 738         case UNHANDLED_HTTP_CODE:
 739         case UNKNOWN_ERROR:
 740             mStatusIcon = R.drawable.common_error;
 741             mStatusText = R.string.auth_unknown_error_title;
 742             break;
 743
 744         default:
 745             break;
 746         }
 747     }
 748
 749
 750     /**
 751      * Processes the result of the request for and access token send
 752      * to an OAuth authorization server.
 753      *
 754      * @param operation     Operation performed requesting the access token.
 755      * @param result        Result of the operation.
 756      */
 757     private void onGetOAuthAccessTokenFinish(OAuth2GetAccessToken operation, RemoteOperationResult result) {
 758         try {
 759             dismissDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
 760         } catch (IllegalArgumentException e) {
 761             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
 762         }
 763
 764         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, true);
 765         if (result.isSuccess() && webdav_path != null) {
 766             /// be gentle with the user
 767             showDialog(DIALOG_LOGIN_PROGRESS);
 768
 769             /// time to test the retrieved access token on the ownCloud server
 770             mOAuthAccessToken = ((OAuth2GetAccessToken)operation).getResultTokenMap().get(OAuth2Context.KEY_ACCESS_TOKEN);
 771             Log.d(TAG, "Got ACCESS TOKEN: " + mOAuthAccessToken);
 772             mAuthCheckOperation = new ExistenceCheckOperation("", this, false);
 773             WebdavClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this);
 774             client.setBearerCredentials(mOAuthAccessToken);
 775             mAuthCheckOperation.execute(client, this, mHandler);
 776
 777         } else {
 778             updateStatusIconAndText(result);
 779             updateAuthStatus();
 780             Log.d(TAG, "Access failed: " + result.getLogMessage());
 781         }
 782     }
 783
 784
 785     /**
 786      * Processes the result of the access check performed to try the user credentials.
 787      *
 788      * Creates a new account through the AccountManager.
 789      *
 790      * @param operation     Access check performed.
 791      * @param result        Result of the operation.
 792      */
 793     private void onAuthorizationCheckFinish(ExistenceCheckOperation operation, RemoteOperationResult result) {
 794         try {
 795             dismissDialog(DIALOG_LOGIN_PROGRESS);
 796         } catch (IllegalArgumentException e) {
 797             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
 798         }
 799
 800         if (result.isSuccess()) {
 801             Log.d(TAG, "Successful access - time to save the account");
 802
 803             if (mAction == ACTION_CREATE) {
 804                 createAccount();
 805
 806             } else {
 807                 updateToken();
 808             }
 809
 810             finish();
 811
 812         } else {
 813             updateStatusIconAndText(result);
 814             updateAuthStatus();
 815             Log.d(TAG, "Access failed: " + result.getLogMessage());
 816         }
 817     }
 818
 819
 820     /**
 821      * Sets the proper response to get that the Account Authenticator that started this activity saves
 822      * a new authorization token for mAccount.
 823      */
 824     private void updateToken() {
 825         Bundle response = new Bundle();
 826         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
 827         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
 828         boolean isOAuth = mOAuth2Check.isChecked();
 829         if (isOAuth) {
 830             response.putString(AccountManager.KEY_AUTHTOKEN, mOAuthAccessToken);
 831             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
 832             mAccountMgr.setAuthToken(mAccount, AccountAuthenticator.AUTH_TOKEN_TYPE_ACCESS_TOKEN, mOAuthAccessToken);
 833         } else {
 834             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
 835             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
 836         }
 837         setAccountAuthenticatorResult(response);
 838     }
 839
 840
 841     /**
 842      * Creates a new account through the Account Authenticator that started this activity.
 843      *
 844      * This makes the account permanent.
 845      *
 846      * TODO Decide how to name the OAuth accounts
 847      * TODO Minimize the direct interactions with the account manager; seems that not all the operations
 848      * in the current code are really necessary, provided that right extras are returned to the Account
 849      * Authenticator through setAccountAuthenticatorResult
 850      */
 851     private void createAccount() {
 852         /// create and save new ownCloud account
 853         boolean isOAuth = mOAuth2Check.isChecked();
 854
 855         Uri uri = Uri.parse(mHostBaseUrl);
 856         String username = mUsernameInput.getText().toString().trim();
 857         if (isOAuth) {
 858             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();    // TODO change this to something readable
 859         }
 860         String accountName = username + "@" + uri.getHost();
 861         if (uri.getPort() >= 0) {
 862             accountName += ":" + uri.getPort();
 863         }
 864         mAccount = new Account(accountName, AccountAuthenticator.ACCOUNT_TYPE);
 865         if (isOAuth) {
 866             mAccountMgr.addAccountExplicitly(mAccount, "", null);  // with our implementation, the password is never input in the app
 867         } else {
 868             mAccountMgr.addAccountExplicitly(mAccount, mPasswordInput.getText().toString(), null);
 869         }
 870
 871         /// add the new account as default in preferences, if there is none already
 872         Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
 873         if (defaultAccount == null) {
 874             SharedPreferences.Editor editor = PreferenceManager
 875                     .getDefaultSharedPreferences(this).edit();
 876             editor.putString("select_oc_account", accountName);
 877             editor.commit();
 878         }
 879
 880         /// prepare result to return to the Authenticator
 881         //  TODO check again what the Authenticator makes with it; probably has the same effect as addAccountExplicitly, but it's not well done
 882         final Intent intent = new Intent();
 883         intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    AccountAuthenticator.ACCOUNT_TYPE);
 884         intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
 885         if (!isOAuth)
 886             intent.putExtra(AccountManager.KEY_AUTHTOKEN,   AccountAuthenticator.ACCOUNT_TYPE); // TODO check this; not sure it's right; maybe
 887         intent.putExtra(AccountManager.KEY_USERDATA,        username);
 888         if (isOAuth) {
 889             mAccountMgr.setAuthToken(mAccount, AccountAuthenticator.AUTH_TOKEN_TYPE_ACCESS_TOKEN, mOAuthAccessToken);
 890         }
 891         /// add user data to the new account; TODO probably can be done in the last parameter addAccountExplicitly, or in KEY_USERDATA
 892         mAccountMgr.setUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION,    mDiscoveredVersion.toString());
 893         mAccountMgr.setUserData(mAccount, AccountAuthenticator.KEY_OC_BASE_URL,   mHostBaseUrl);
 894         if (isOAuth)
 895             mAccountMgr.setUserData(mAccount, AccountAuthenticator.KEY_SUPPORTS_OAUTH2, "TRUE");  // TODO this flag should be unnecessary
 896
 897         setAccountAuthenticatorResult(intent.getExtras());
 898         setResult(RESULT_OK, intent);
 899
 900         /// immediately request for the synchronization of the new account
 901         Bundle bundle = new Bundle();
 902         bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
 903         ContentResolver.requestSync(mAccount, AccountAuthenticator.AUTHORITY, bundle);
 904     }
 905
 906
 907     /**
 908      * {@inheritDoc}
 909      *
 910      * Necessary to update the contents of the SSL Dialog
 911      *
 912      * TODO move to some common place for all possible untrusted SSL failures
 913      */
 914     @Override
 915     protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
 916         switch (id) {
 917         case DIALOG_LOGIN_PROGRESS:
 918         case DIALOG_CERT_NOT_SAVED:
 919         case DIALOG_OAUTH2_LOGIN_PROGRESS:
 920             break;
 921         case DIALOG_SSL_VALIDATOR: {
 922             ((SslValidatorDialog)dialog).updateResult(mLastSslUntrustedServerResult);
 923             break;
 924         }
 925         default:
 926             Log.e(TAG, "Incorrect dialog called with id = " + id);
 927         }
 928     }
 929
 930
 931     /**
 932      * {@inheritDoc}
 933      */
 934     @Override
 935     protected Dialog onCreateDialog(int id) {
 936         Dialog dialog = null;
 937         switch (id) {
 938         case DIALOG_LOGIN_PROGRESS: {
 939             /// simple progress dialog
 940             ProgressDialog working_dialog = new ProgressDialog(this);
 941             working_dialog.setMessage(getResources().getString(R.string.auth_trying_to_login));
 942             working_dialog.setIndeterminate(true);
 943             working_dialog.setCancelable(true);
 944             working_dialog
 945                     .setOnCancelListener(new DialogInterface.OnCancelListener() {
 946                         @Override
 947                         public void onCancel(DialogInterface dialog) {
 948                             /// TODO study if this is enough
 949                             Log.i(TAG, "Login canceled");
 950                             if (mOperationThread != null) {
 951                                 mOperationThread.interrupt();
 952                                 finish();
 953                             }
 954                         }
 955                     });
 956             dialog = working_dialog;
 957             break;
 958         }
 959         case DIALOG_OAUTH2_LOGIN_PROGRESS: {
 960             /// oAuth2 dialog. We show here to the user the URL and user_code that the user must validate in a web browser. - OLD!
 961             // TODO optimize this dialog
 962             ProgressDialog working_dialog = new ProgressDialog(this);
 963             /* Leave the old OAuth flow
 964             try {
 965                 if (mCodeResponseJson != null && mCodeResponseJson.has(OAuth2GetCodeRunnable.CODE_VERIFICATION_URL)) {
 966                     working_dialog.setMessage(String.format(getString(R.string.oauth_code_validation_message),
 967                             mCodeResponseJson.getString(OAuth2GetCodeRunnable.CODE_VERIFICATION_URL),
 968                             mCodeResponseJson.getString(OAuth2GetCodeRunnable.CODE_USER_CODE)));
 969                 } else {*/
 970                     working_dialog.setMessage(String.format("Getting authorization"));
 971                 /*}
 972             } catch (JSONException e) {
 973                 Log.e(TAG, "onCreateDialog->JSONException: " + e.toString());
 974             }*/
 975             working_dialog.setIndeterminate(true);
 976             working_dialog.setCancelable(true);
 977             working_dialog
 978             .setOnCancelListener(new DialogInterface.OnCancelListener() {
 979                 @Override
 980                 public void onCancel(DialogInterface dialog) {
 981                     Log.i(TAG, "Login canceled");
 982                     /*if (mOAuth2GetCodeThread != null) {
 983                         mOAuth2GetCodeThread.interrupt();
 984                         finish();
 985                     } */
 986                     /*if (tokenReceiver != null) {
 987                         unregisterReceiver(tokenReceiver);
 988                         tokenReceiver = null;
 989                         finish();
 990                     }*/
 991                     finish();
 992                 }
 993             });
 994             dialog = working_dialog;
 995             break;
 996         }
 997         case DIALOG_SSL_VALIDATOR: {
 998             /// TODO start to use new dialog interface, at least for this (it is a FragmentDialog already)
 999             dialog = SslValidatorDialog.newInstance(this, mLastSslUntrustedServerResult, this);
1000             break;
1001         }
1002         case DIALOG_CERT_NOT_SAVED: {
1003             AlertDialog.Builder builder = new AlertDialog.Builder(this);
1004             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
1005             builder.setCancelable(false);
1006             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
1007                     @Override
1008                     public void onClick(DialogInterface dialog, int which) {
1009                         dialog.dismiss();
1010                     };
1011                 });
1012             dialog = builder.create();
1013             break;
1014         }
1015         default:
1016             Log.e(TAG, "Incorrect dialog called with id = " + id);
1017         }
1018         return dialog;
1019     }
1020
1021
1022     /**
1023      * Starts and activity to open the 'new account' page in the ownCloud web site
1024      *
1025      * @param view      'Account register' button
1026      */
1027     public void onRegisterClick(View view) {
1028         Intent register = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.url_account_register)));
1029         setResult(RESULT_CANCELED);
1030         startActivity(register);
1031     }
1032
1033
1034     /**
1035      * Updates the content and visibility state of the icon and text associated
1036      * to the last check on the ownCloud server.
1037      */
1038     private void updateConnStatus() {
1039         ImageView iv = (ImageView) findViewById(R.id.action_indicator);
1040         TextView tv = (TextView) findViewById(R.id.status_text);
1041
1042         if (mStatusIcon == 0 && mStatusText == 0) {
1043             iv.setVisibility(View.INVISIBLE);
1044             tv.setVisibility(View.INVISIBLE);
1045         } else {
1046             iv.setImageResource(mStatusIcon);
1047             tv.setText(mStatusText);
1048             iv.setVisibility(View.VISIBLE);
1049             tv.setVisibility(View.VISIBLE);
1050         }
1051     }
1052
1053
1054     /**
1055      * Updates the content and visibility state of the icon and text associated
1056      * to the interactions with the OAuth authorization server.
1057      */
1058     private void updateAuthStatus() {
1059         /*ImageView iv = (ImageView) findViewById(R.id.auth_status_icon);
1060         TextView tv = (TextView) findViewById(R.id.auth_status_text);*/
1061
1062         if (mStatusIcon == 0 && mStatusText == 0) {
1063             mAuthStatusLayout.setVisibility(View.INVISIBLE);
1064             /*iv.setVisibility(View.INVISIBLE);
1065             tv.setVisibility(View.INVISIBLE);*/
1066         } else {
1067             mAuthStatusLayout.setText(mStatusText);
1068             mAuthStatusLayout.setCompoundDrawablesWithIntrinsicBounds(mStatusIcon, 0, 0, 0);
1069             /*iv.setImageResource(mStatusIcon);
1070             tv.setText(mStatusText);
1071             /*iv.setVisibility(View.VISIBLE);
1072             tv.setVisibility(View.VISIBLE);^*/
1073             mAuthStatusLayout.setVisibility(View.VISIBLE);
1074         }
1075     }
1076
1077
1078     /**
1079      * Called when the refresh button in the input field for ownCloud host is clicked.
1080      *
1081      * Performs a new check on the URL in the input field.
1082      *
1083      * @param view      Refresh 'button'
1084      */
1085     public void onRefreshClick(View view) {
1086         onFocusChange(mRefreshButton, false);
1087     }
1088
1089
1090     /**
1091      * Called when the eye icon in the password field is clicked.
1092      *
1093      * Toggles the visibility of the password in the field.
1094      *
1095      * @param view      'View password' 'button'
1096      */
1097     public void onViewPasswordClick(View view) {
1098         int selectionStart = mPasswordInput.getSelectionStart();
1099         int selectionEnd = mPasswordInput.getSelectionEnd();
1100         int input_type = mPasswordInput.getInputType();
1101         if ((input_type & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) {
1102             input_type = InputType.TYPE_CLASS_TEXT
1103                     | InputType.TYPE_TEXT_VARIATION_PASSWORD;
1104         } else {
1105             input_type = InputType.TYPE_CLASS_TEXT
1106                     | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD;
1107         }
1108         mPasswordInput.setInputType(input_type);
1109         mPasswordInput.setSelection(selectionStart, selectionEnd);
1110     }
1111
1112
1113     /**
1114      * Called when the checkbox for OAuth authorization is clicked.
1115      *
1116      * Hides or shows the input fields for user & password.
1117      *
1118      * @param view      'View password' 'button'
1119      */
1120     public void onCheckClick(View view) {
1121         CheckBox oAuth2Check = (CheckBox)view;
1122         changeViewByOAuth2Check(oAuth2Check.isChecked());
1123
1124     }
1125
1126     /**
1127      * Changes the visibility of input elements depending upon the kind of authorization
1128      * chosen by the user: basic or OAuth
1129      *
1130      * @param checked       'True' when OAuth is selected.
1131      */
1132     public void changeViewByOAuth2Check(Boolean checked) {
1133
1134         if (checked) {
1135             mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
1136             mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
1137             mUsernameInput.setVisibility(View.GONE);
1138             mPasswordInput.setVisibility(View.GONE);
1139             mViewPasswordButton.setVisibility(View.GONE);
1140         } else {
1141             mOAuthAuthEndpointText.setVisibility(View.GONE);
1142             mOAuthTokenEndpointText.setVisibility(View.GONE);
1143             mUsernameInput.setVisibility(View.VISIBLE);
1144             mPasswordInput.setVisibility(View.VISIBLE);
1145             mViewPasswordButton.setVisibility(View.INVISIBLE);
1146         }
1147
1148     }
1149
1150     /* Leave the old OAuth flow
1151     // Results from the first call to oAuth2 server : getting the user_code and verification_url.
1152     @Override
1153     public void onOAuth2GetCodeResult(ResultOAuthType type, JSONObject responseJson) {
1154         if ((type == ResultOAuthType.OK_SSL)||(type == ResultOAuthType.OK_NO_SSL)) {
1155             mCodeResponseJson = responseJson;
1156             if (mCodeResponseJson != null) {
1157                 getOAuth2AccessTokenFromJsonResponse();
1158             }  // else - nothing to do here - wait for callback !!!
1159
1160         } else if (type == ResultOAuthType.HOST_NOT_AVAILABLE) {
1161             updateOAuth2IconAndText(R.drawable.common_error, R.string.oauth_connection_url_unavailable);
1162         }
1163     }
1164
1165     // If the results of getting the user_code and verification_url are OK, we get the received data and we start
1166     // the polling service to oAuth2 server to get a valid token.
1167     private void getOAuth2AccessTokenFromJsonResponse() {
1168         String deviceCode = null;
1169         String verificationUrl = null;
1170         String userCode = null;
1171         int expiresIn = -1;
1172         int interval = -1;
1173
1174         Log.d(TAG, "ResponseOAuth2->" + mCodeResponseJson.toString());
1175
1176         try {
1177             // We get data that we must show to the user or we will use internally.
1178             verificationUrl = mCodeResponseJson.getString(OAuth2GetAuthorizationToken.CODE_VERIFICATION_URL);
1179             userCode = mCodeResponseJson.getString(OAuth2GetAuthorizationToken.CODE_USER_CODE);
1180             expiresIn = mCodeResponseJson.getInt(OAuth2GetAuthorizationToken.CODE_EXPIRES_IN);
1181
1182             // And we get data that we must use to get a token.
1183             deviceCode = mCodeResponseJson.getString(OAuth2GetAuthorizationToken.CODE_DEVICE_CODE);
1184             interval = mCodeResponseJson.getInt(OAuth2GetAuthorizationToken.CODE_INTERVAL);
1185
1186         } catch (JSONException e) {
1187             Log.e(TAG, "Exception accesing data in Json object" + e.toString());
1188         }
1189
1190         // Updating status widget to OK.
1191         updateOAuth2IconAndText(R.drawable.ic_ok, R.string.auth_connection_established);
1192
1193         // Showing the dialog with instructions for the user.
1194         showDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
1195
1196         // Loggin all the data.
1197         Log.d(TAG, "verificationUrl->" + verificationUrl);
1198         Log.d(TAG, "userCode->" + userCode);
1199         Log.d(TAG, "deviceCode->" + deviceCode);
1200         Log.d(TAG, "expiresIn->" + expiresIn);
1201         Log.d(TAG, "interval->" + interval);
1202
1203         // Starting the pooling service.
1204         try {
1205             Intent tokenService = new Intent(this, OAuth2GetTokenService.class);
1206             tokenService.putExtra(OAuth2GetTokenService.TOKEN_URI, OAuth2Context.OAUTH2_G_DEVICE_GETTOKEN_URL);
1207             tokenService.putExtra(OAuth2GetTokenService.TOKEN_DEVICE_CODE, deviceCode);
1208             tokenService.putExtra(OAuth2GetTokenService.TOKEN_INTERVAL, interval);
1209
1210             startService(tokenService);
1211         }
1212         catch (Exception e) {
1213             Log.e(TAG, "tokenService creation problem :", e);
1214         }
1215
1216     }
1217     */
1218
1219     /* Leave the old OAuth flow
1220     // We get data from the oAuth2 token service with this broadcast receiver.
1221     private class TokenReceiver extends BroadcastReceiver {
1222         /**
1223          * The token is received.
1224          *  @author
1225          * {@link BroadcastReceiver} to enable oAuth2 token receiving.
1226          *-/
1227         @Override
1228         public void onReceive(Context context, Intent intent) {
1229             @SuppressWarnings("unchecked")
1230             HashMap<String, String> tokenResponse = (HashMap<String, String>)intent.getExtras().get(OAuth2GetTokenService.TOKEN_RECEIVED_DATA);
1231             Log.d(TAG, "TokenReceiver->" + tokenResponse.get(OAuth2GetTokenService.TOKEN_ACCESS_TOKEN));
1232             dismissDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
1233
1234         }
1235     }
1236     */
1237
1238
1239     /**
1240      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1241      */
1242     public void onSavedCertificate() {
1243         mOperationThread = mOcServerChkOperation.retry(this, mHandler);
1244     }
1245
1246     /**
1247      * Called from SslValidatorDialog when a new server certificate could not be saved
1248      * when the user requested it.
1249      */
1250     @Override
1251     public void onFailedSavingCertificate() {
1252         showDialog(DIALOG_CERT_NOT_SAVED);
1253     }
1254
1255 }