src/com/owncloud/android/authentication/AuthenticatorActivity.java

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author Bartek Przybylski
   5  *   @author David A. Velasco
   6  *   @author masensio
   7  *   Copyright (C) 2012  Bartek Przybylski
   8  *   Copyright (C) 2015 ownCloud Inc.
   9  *
  10  *   This program is free software: you can redistribute it and/or modify
  11  *   it under the terms of the GNU General Public License version 2,
  12  *   as published by the Free Software Foundation.
  13  *
  14  *   This program is distributed in the hope that it will be useful,
  15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *   GNU General Public License for more details.
  18  *
  19  *   You should have received a copy of the GNU General Public License
  20  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21  *
  22  */
  23
  24 package com.owncloud.android.authentication;
  25
  26 import java.security.cert.X509Certificate;
  27 import java.util.Map;
  28
  29 import android.accounts.Account;
  30 import android.accounts.AccountManager;
  31 import android.app.Dialog;
  32 import android.content.ComponentName;
  33 import android.content.Context;
  34 import android.content.Intent;
  35 import android.content.ServiceConnection;
  36 import android.content.SharedPreferences;
  37 import android.graphics.Rect;
  38 import android.graphics.drawable.Drawable;
  39 import android.net.Uri;
  40 import android.net.http.SslError;
  41 import android.os.Bundle;
  42 import android.os.Handler;
  43 import android.os.IBinder;
  44 import android.preference.PreferenceManager;
  45 import android.support.v4.app.DialogFragment;
  46 import android.support.v4.app.Fragment;
  47 import android.support.v4.app.FragmentManager;
  48 import android.support.v4.app.FragmentTransaction;
  49 import android.text.Editable;
  50 import android.text.InputType;
  51 import android.text.TextWatcher;
  52 import android.view.KeyEvent;
  53 import android.view.MotionEvent;
  54 import android.view.View;
  55 import android.view.View.OnFocusChangeListener;
  56 import android.view.View.OnTouchListener;
  57 import android.view.Window;
  58 import android.view.inputmethod.EditorInfo;
  59 import android.webkit.HttpAuthHandler;
  60 import android.webkit.SslErrorHandler;
  61 import android.webkit.WebView;
  62 import android.widget.Button;
  63 import android.widget.CheckBox;
  64 import android.widget.EditText;
  65 import android.widget.TextView;
  66 import android.widget.TextView.OnEditorActionListener;
  67 import android.widget.Toast;
  68
  69 import com.owncloud.android.MainApp;
  70 import com.owncloud.android.R;
  71 import com.owncloud.android.authentication.SsoWebViewClient.SsoWebViewClientListener;
  72 import com.owncloud.android.lib.common.OwnCloudCredentials;
  73 import com.owncloud.android.lib.common.OwnCloudCredentialsFactory;
  74 import com.owncloud.android.lib.common.accounts.AccountTypeUtils;
  75 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  76 import com.owncloud.android.lib.common.accounts.AccountUtils.Constants;
  77 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  78 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  79 import com.owncloud.android.lib.common.operations.RemoteOperation;
  80 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  81 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  82 import com.owncloud.android.lib.common.utils.Log_OC;
  83 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  84 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  85 import com.owncloud.android.operations.DetectAuthenticationMethodOperation.AuthenticationMethod;
  86 import com.owncloud.android.operations.GetServerInfoOperation;
  87 import com.owncloud.android.operations.OAuth2GetAccessToken;
  88 import com.owncloud.android.services.OperationsService;
  89 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  90 import com.owncloud.android.ui.dialog.CredentialsDialogFragment;
  91 import com.owncloud.android.ui.dialog.IndeterminateProgressDialog;
  92 import com.owncloud.android.ui.dialog.SamlWebViewDialog;
  93 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  94 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  95 import com.owncloud.android.utils.DisplayUtils;
  96
  97 /**
  98  * This Activity is used to add an ownCloud account to the App
  99  */
 100 public class AuthenticatorActivity extends AccountAuthenticatorActivity
 101         implements  OnRemoteOperationListener, OnFocusChangeListener, OnEditorActionListener,
 102         SsoWebViewClientListener, OnSslUntrustedCertListener,
 103         AuthenticatorAsyncTask.OnAuthenticatorTaskListener {
 104
 105     private static final String TAG = AuthenticatorActivity.class.getSimpleName();
 106
 107     public static final String EXTRA_ACTION = "ACTION";
 108     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 109
 110     private static final String KEY_AUTH_TOKEN_TYPE = "AUTH_TOKEN_TYPE";
 111
 112     private static final String KEY_HOST_URL_TEXT = "HOST_URL_TEXT";
 113     private static final String KEY_OC_VERSION = "OC_VERSION";
 114     private static final String KEY_SERVER_VALID = "SERVER_VALID";
 115     private static final String KEY_SERVER_CHECKED = "SERVER_CHECKED";
 116     private static final String KEY_SERVER_STATUS_TEXT = "SERVER_STATUS_TEXT";
 117     private static final String KEY_SERVER_STATUS_ICON = "SERVER_STATUS_ICON";
 118     private static final String KEY_IS_SSL_CONN = "IS_SSL_CONN";
 119     private static final String KEY_PASSWORD_EXPOSED = "PASSWORD_VISIBLE";
 120     private static final String KEY_AUTH_STATUS_TEXT = "AUTH_STATUS_TEXT";
 121     private static final String KEY_AUTH_STATUS_ICON = "AUTH_STATUS_ICON";
 122     private static final String KEY_SERVER_AUTH_METHOD = "SERVER_AUTH_METHOD";
 123     private static final String KEY_WAITING_FOR_OP_ID = "WAITING_FOR_OP_ID";
 124     private static final String KEY_AUTH_TOKEN = "AUTH_TOKEN";
 125
 126     private static final String AUTH_ON = "on";
 127     private static final String AUTH_OPTIONAL = "optional";
 128
 129     public static final byte ACTION_CREATE = 0;
 130     public static final byte ACTION_UPDATE_TOKEN = 1;               // requested by the user
 131     public static final byte ACTION_UPDATE_EXPIRED_TOKEN = 2;       // detected by the app
 132
 133     private static final String UNTRUSTED_CERT_DIALOG_TAG = "UNTRUSTED_CERT_DIALOG";
 134     private static final String SAML_DIALOG_TAG = "SAML_DIALOG";
 135     private static final String WAIT_DIALOG_TAG = "WAIT_DIALOG";
 136     private static final String CREDENTIALS_DIALOG_TAG = "CREDENTIALS_DIALOG";
 137     private static final String KEY_AUTH_IS_FIRST_ATTEMPT_TAG = "KEY_AUTH_IS_FIRST_ATTEMPT";
 138
 139     private static final String KEY_USERNAME = "USERNAME";
 140     private static final String KEY_PASSWORD = "PASSWORD";
 141     private static final String KEY_ASYNC_TASK_IN_PROGRESS = "AUTH_IN_PROGRESS";
 142
 143     /// parameters from EXTRAs in starter Intent
 144     private byte mAction;
 145     private Account mAccount;
 146     private String mAuthTokenType;
 147
 148
 149     /// activity-level references / state
 150     private final Handler mHandler = new Handler();
 151     private ServiceConnection mOperationsServiceConnection = null;
 152     private OperationsServiceBinder mOperationsServiceBinder = null;
 153     private AccountManager mAccountMgr;
 154     private Uri mNewCapturedUriFromOAuth2Redirection;
 155
 156
 157     /// Server PRE-Fragment elements
 158     private EditText mHostUrlInput;
 159     private View mRefreshButton;
 160     private TextView mServerStatusView;
 161
 162     private TextWatcher mHostUrlInputWatcher;
 163     private int mServerStatusText = 0, mServerStatusIcon = 0;
 164
 165     private boolean mServerIsChecked = false;
 166     private boolean mServerIsValid = false;
 167     private boolean mPendingAutoCheck = false;
 168
 169     private GetServerInfoOperation.ServerInfo mServerInfo =
 170             new GetServerInfoOperation.ServerInfo();
 171
 172
 173     /// Authentication PRE-Fragment elements
 174     private CheckBox mOAuth2Check;
 175     private TextView mOAuthAuthEndpointText;
 176     private TextView mOAuthTokenEndpointText;
 177     private EditText mUsernameInput;
 178     private EditText mPasswordInput;
 179     private View mOkButton;
 180     private TextView mAuthStatusView;
 181
 182     private int mAuthStatusText = 0, mAuthStatusIcon = 0;
 183
 184     private String mAuthToken = "";
 185     private AuthenticatorAsyncTask mAsyncTask;
 186
 187     private boolean mIsFirstAuthAttempt;
 188
 189     /// Identifier of operation in progress which result shouldn't be lost
 190     private long mWaitingForOpId = Long.MAX_VALUE;
 191
 192     private final String BASIC_TOKEN_TYPE = AccountTypeUtils.getAuthTokenTypePass(
 193             MainApp.getAccountType());
 194     private final String OAUTH_TOKEN_TYPE = AccountTypeUtils.getAuthTokenTypeAccessToken(
 195             MainApp.getAccountType());
 196     private final String SAML_TOKEN_TYPE =
 197             AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 198
 199
 200     /**
 201      * {@inheritDoc}
 202      *
 203      * IMPORTANT ENTRY POINT 1: activity is shown to the user
 204      */
 205     @Override
 206     protected void onCreate(Bundle savedInstanceState) {
 207         //Log_OC.wtf(TAG,  "onCreate init");
 208         super.onCreate(savedInstanceState);
 209
 210         // Workaround, for fixing a problem with Android Library Suppor v7 19
 211         //getWindow().requestFeature(Window.FEATURE_NO_TITLE);
 212         if (getSupportActionBar() != null) {
 213             getSupportActionBar().hide();
 214
 215             getSupportActionBar().setDisplayHomeAsUpEnabled(false);
 216             getSupportActionBar().setDisplayShowHomeEnabled(false);
 217             getSupportActionBar().setDisplayShowTitleEnabled(false);
 218         }
 219
 220         mIsFirstAuthAttempt = true;
 221
 222         // bind to Operations Service
 223         mOperationsServiceConnection = new OperationsServiceConnection();
 224         if (!bindService(new Intent(this, OperationsService.class),
 225                 mOperationsServiceConnection,
 226                 Context.BIND_AUTO_CREATE)) {
 227             Toast.makeText(this,
 228                     R.string.error_cant_bind_to_operations_service,
 229                     Toast.LENGTH_LONG)
 230                         .show();
 231             finish();
 232         }
 233
 234         /// init activity state
 235         mAccountMgr = AccountManager.get(this);
 236         mNewCapturedUriFromOAuth2Redirection = null;
 237
 238         /// get input values
 239         mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE);
 240         mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 241         if (savedInstanceState == null) {
 242             initAuthTokenType();
 243         } else {
 244             mAuthTokenType = savedInstanceState.getString(KEY_AUTH_TOKEN_TYPE);
 245             mWaitingForOpId = savedInstanceState.getLong(KEY_WAITING_FOR_OP_ID);
 246             mIsFirstAuthAttempt = savedInstanceState.getBoolean(KEY_AUTH_IS_FIRST_ATTEMPT_TAG);
 247         }
 248
 249         /// load user interface
 250         setContentView(R.layout.account_setup);
 251
 252         /// initialize general UI elements
 253         initOverallUi();
 254
 255         mOkButton = findViewById(R.id.buttonOK);
 256
 257         /// initialize block to be moved to single Fragment to check server and get info about it
 258         initServerPreFragment(savedInstanceState);
 259
 260         /// initialize block to be moved to single Fragment to retrieve and validate credentials
 261         initAuthorizationPreFragment(savedInstanceState);
 262
 263         //Log_OC.wtf(TAG,  "onCreate end");
 264     }
 265
 266     private void initAuthTokenType() {
 267         mAuthTokenType =
 268                 getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 269         if (mAuthTokenType == null) {
 270             if (mAccount != null) {
 271                 boolean oAuthRequired =
 272                     (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2) != null);
 273                 boolean samlWebSsoRequired = (
 274                     mAccountMgr.getUserData(
 275                         mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO
 276                     ) != null
 277                 );
 278                 mAuthTokenType = chooseAuthTokenType(oAuthRequired, samlWebSsoRequired);
 279
 280             } else {
 281                 boolean oAuthSupported = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
 282                 boolean samlWebSsoSupported =
 283                         AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));
 284                 mAuthTokenType = chooseAuthTokenType(oAuthSupported, samlWebSsoSupported);
 285             }
 286         }
 287     }
 288
 289     private String chooseAuthTokenType(boolean oauth, boolean saml) {
 290         if (saml) {
 291             return SAML_TOKEN_TYPE;
 292         } else if (oauth) {
 293              return OAUTH_TOKEN_TYPE;
 294         } else {
 295             return BASIC_TOKEN_TYPE;
 296         }
 297     }
 298
 299
 300     /**
 301      * Configures elements in the user interface under direct control of the Activity.
 302      */
 303     private void initOverallUi() {
 304
 305         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 306         boolean isWelcomeLinkVisible = getResources().getBoolean(R.bool.show_welcome_link);
 307
 308         String instructionsMessageText = null;
 309         if (mAction == ACTION_UPDATE_EXPIRED_TOKEN) {
 310             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType())
 311                     .equals(mAuthTokenType)) {
 312                 instructionsMessageText = getString(R.string.auth_expired_oauth_token_toast);
 313
 314             } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType())
 315                     .equals(mAuthTokenType)) {
 316                 instructionsMessageText = getString(R.string.auth_expired_saml_sso_token_toast);
 317
 318             } else {
 319                 instructionsMessageText = getString(R.string.auth_expired_basic_auth_toast);
 320             }
 321         }
 322
 323         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 324         Button welcomeLink = (Button) findViewById(R.id.welcome_link);
 325         welcomeLink.setVisibility(isWelcomeLinkVisible ? View.VISIBLE : View.GONE);
 326         welcomeLink.setText(
 327                 String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 328
 329         TextView instructionsView = (TextView) findViewById(R.id.instructions_message);
 330         if (instructionsMessageText != null) {
 331             instructionsView.setVisibility(View.VISIBLE);
 332             instructionsView.setText(instructionsMessageText);
 333         } else {
 334             instructionsView.setVisibility(View.GONE);
 335         }
 336     }
 337
 338
 339     /**
 340      *
 341      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 342      */
 343     private void initServerPreFragment(Bundle savedInstanceState) {
 344
 345         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 346         boolean isUrlInputAllowed = getResources().getBoolean(R.bool.show_server_url_input);
 347         if (savedInstanceState == null) {
 348             if (mAccount != null) {
 349                 mServerInfo.mBaseUrl = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_BASE_URL);
 350                 // TODO do next in a setter for mBaseUrl
 351                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");
 352                 String ocVersion = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION);
 353                 if (ocVersion != null) {
 354                     mServerInfo.mVersion = new OwnCloudVersion(ocVersion);
 355                 }
 356             } else {
 357                 mServerInfo.mBaseUrl = getString(R.string.server_url).trim();
 358                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");
 359             }
 360         } else {
 361             mServerStatusText = savedInstanceState.getInt(KEY_SERVER_STATUS_TEXT);
 362             mServerStatusIcon = savedInstanceState.getInt(KEY_SERVER_STATUS_ICON);
 363
 364             mServerIsValid = savedInstanceState.getBoolean(KEY_SERVER_VALID);
 365             mServerIsChecked = savedInstanceState.getBoolean(KEY_SERVER_CHECKED);
 366
 367             // TODO parcelable
 368             mServerInfo.mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 369             mServerInfo.mBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 370             String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 371             if (ocVersion != null) {
 372                 mServerInfo.mVersion = new OwnCloudVersion(ocVersion);
 373             }
 374             mServerInfo.mAuthMethod = AuthenticationMethod.valueOf(
 375                     savedInstanceState.getString(KEY_SERVER_AUTH_METHOD));
 376
 377         }
 378
 379         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 380         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 381         // Convert IDN to Unicode
 382         mHostUrlInput.setText(DisplayUtils.convertIdn(mServerInfo.mBaseUrl, false));
 383         if (mAction != ACTION_CREATE) {
 384             /// lock things that should not change
 385             mHostUrlInput.setEnabled(false);
 386             mHostUrlInput.setFocusable(false);
 387         }
 388         if (isUrlInputAllowed) {
 389             mRefreshButton = findViewById(R.id.embeddedRefreshButton);
 390         } else {
 391             findViewById(R.id.hostUrlFrame).setVisibility(View.GONE);
 392             mRefreshButton = findViewById(R.id.centeredRefreshButton);
 393         }
 394         showRefreshButton(mServerIsChecked && !mServerIsValid &&
 395                 mWaitingForOpId > Integer.MAX_VALUE);
 396         mServerStatusView = (TextView) findViewById(R.id.server_status_text);
 397         showServerStatus();
 398
 399         /// step 3 - bind some listeners and options
 400         mHostUrlInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 401         mHostUrlInput.setOnEditorActionListener(this);
 402
 403         /// step 4 - create listeners that will be bound at onResume
 404         mHostUrlInputWatcher = new TextWatcher() {
 405
 406             @Override
 407             public void afterTextChanged(Editable s) {
 408                 if (mOkButton.isEnabled() &&
 409                         !mServerInfo.mBaseUrl.equals(
 410                                 normalizeUrl(s.toString(), mServerInfo.mIsSslConn))) {
 411                     mOkButton.setEnabled(false);
 412                 }
 413             }
 414
 415             @Override
 416             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 417             }
 418
 419             @Override
 420             public void onTextChanged(CharSequence s, int start, int before, int count) {
 421                 if (mAuthStatusIcon != 0) {
 422                     Log_OC.d(TAG, "onTextChanged: hiding authentication status");
 423                     mAuthStatusIcon = 0;
 424                     mAuthStatusText = 0;
 425                     showAuthStatus();
 426                 }
 427             }
 428         };
 429
 430
 431         // TODO find out if this is really necessary, or if it can done in a different way
 432         findViewById(R.id.scroll).setOnTouchListener(new OnTouchListener() {
 433             @Override
 434             public boolean onTouch(View view, MotionEvent event) {
 435                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 436                     if (
 437                             AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(
 438                                     MainApp.getAccountType()
 439                             ).equals(mAuthTokenType) &&
 440                                     mHostUrlInput.hasFocus()
 441                             ) {
 442                         checkOcServer();
 443                     }
 444                 }
 445                 return false;
 446             }
 447         });
 448
 449
 450         /// step 4 - mark automatic check to be started when OperationsService is ready
 451         mPendingAutoCheck = (savedInstanceState == null &&
 452                 (mAction != ACTION_CREATE || !isUrlInputAllowed));
 453     }
 454
 455
 456     /**
 457      *
 458      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 459      */
 460     private void initAuthorizationPreFragment(Bundle savedInstanceState) {
 461
 462         /// step 0 - get UI elements in layout
 463         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 464         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 465         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 466         mUsernameInput = (EditText) findViewById(R.id.account_username);
 467         mPasswordInput = (EditText) findViewById(R.id.account_password);
 468         mAuthStatusView = (TextView) findViewById(R.id.auth_status_text);
 469
 470         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 471         String presetUserName = null;
 472         boolean isPasswordExposed = false;
 473         if (savedInstanceState == null) {
 474             if (mAccount != null) {
 475                 presetUserName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 476             }
 477
 478         } else {
 479             isPasswordExposed = savedInstanceState.getBoolean(KEY_PASSWORD_EXPOSED, false);
 480             mAuthStatusText = savedInstanceState.getInt(KEY_AUTH_STATUS_TEXT);
 481             mAuthStatusIcon = savedInstanceState.getInt(KEY_AUTH_STATUS_ICON);
 482             mAuthToken = savedInstanceState.getString(KEY_AUTH_TOKEN);
 483         }
 484
 485         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 486         mOAuth2Check.setChecked(
 487                 AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType())
 488                     .equals(mAuthTokenType));
 489         if (presetUserName != null) {
 490             mUsernameInput.setText(presetUserName);
 491         }
 492         if (mAction != ACTION_CREATE) {
 493             mUsernameInput.setEnabled(false);
 494             mUsernameInput.setFocusable(false);
 495         }
 496         mPasswordInput.setText(""); // clean password to avoid social hacking
 497         if (isPasswordExposed) {
 498             showPassword();
 499         }
 500         updateAuthenticationPreFragmentVisibility();
 501         showAuthStatus();
 502         mOkButton.setEnabled(mServerIsValid);
 503
 504
 505         /// step 3 - bind listeners
 506         // bindings for password input field
 507         mPasswordInput.setOnFocusChangeListener(this);
 508         mPasswordInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
 509         mPasswordInput.setOnEditorActionListener(this);
 510         mPasswordInput.setOnTouchListener(new RightDrawableOnTouchListener() {
 511             @Override
 512             public boolean onDrawableTouch(final MotionEvent event) {
 513                 if (event.getAction() == MotionEvent.ACTION_UP) {
 514                     AuthenticatorActivity.this.onViewPasswordClick();
 515                 }
 516                 return true;
 517             }
 518         });
 519
 520     }
 521
 522
 523     /**
 524      * Changes the visibility of input elements depending on
 525      * the current authorization method.
 526      */
 527     private void updateAuthenticationPreFragmentVisibility () {
 528         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 529                 equals(mAuthTokenType)) {
 530             // SAML-based web Single Sign On
 531             mOAuth2Check.setVisibility(View.GONE);
 532             mOAuthAuthEndpointText.setVisibility(View.GONE);
 533             mOAuthTokenEndpointText.setVisibility(View.GONE);
 534             mUsernameInput.setVisibility(View.GONE);
 535             mPasswordInput.setVisibility(View.GONE);
 536
 537         } else {
 538             if (mAction == ACTION_CREATE &&
 539                     AUTH_OPTIONAL.equals(getString(R.string.auth_method_oauth2))) {
 540                 mOAuth2Check.setVisibility(View.VISIBLE);
 541             } else {
 542                 mOAuth2Check.setVisibility(View.GONE);
 543             }
 544
 545             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
 546                     equals(mAuthTokenType)) {
 547                 // OAuth 2 authorization
 548
 549                 mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
 550                 mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
 551                 mUsernameInput.setVisibility(View.GONE);
 552                 mPasswordInput.setVisibility(View.GONE);
 553
 554             } else {
 555                 // basic HTTP authorization
 556                 mOAuthAuthEndpointText.setVisibility(View.GONE);
 557                 mOAuthTokenEndpointText.setVisibility(View.GONE);
 558                 mUsernameInput.setVisibility(View.VISIBLE);
 559                 mPasswordInput.setVisibility(View.VISIBLE);
 560             }
 561         }
 562     }
 563
 564
 565
 566     /**
 567      * Saves relevant state before {@link #onPause()}
 568      *
 569      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag,
 570      * intended to defer the processing of the redirection caught in
 571      * {@link #onNewIntent(Intent)} until {@link #onResume()}
 572      *
 573      * See {@link #onSaveInstanceState(Bundle)}
 574      */
 575     @Override
 576     protected void onSaveInstanceState(Bundle outState) {
 577         //Log_OC.wtf(TAG, "onSaveInstanceState init" );
 578         super.onSaveInstanceState(outState);
 579
 580         /// global state
 581         outState.putString(KEY_AUTH_TOKEN_TYPE, mAuthTokenType);
 582         outState.putLong(KEY_WAITING_FOR_OP_ID, mWaitingForOpId);
 583
 584         /// Server PRE-fragment state
 585         outState.putInt(KEY_SERVER_STATUS_TEXT, mServerStatusText);
 586         outState.putInt(KEY_SERVER_STATUS_ICON, mServerStatusIcon);
 587         outState.putBoolean(KEY_SERVER_CHECKED, mServerIsChecked);
 588         outState.putBoolean(KEY_SERVER_VALID, mServerIsValid);
 589         outState.putBoolean(KEY_IS_SSL_CONN, mServerInfo.mIsSslConn);
 590         outState.putString(KEY_HOST_URL_TEXT, mServerInfo.mBaseUrl);
 591         if (mServerInfo.mVersion != null) {
 592             outState.putString(KEY_OC_VERSION, mServerInfo.mVersion.getVersion());
 593         }
 594         outState.putString(KEY_SERVER_AUTH_METHOD, mServerInfo.mAuthMethod.name());
 595
 596         /// Authentication PRE-fragment state
 597         outState.putBoolean(KEY_PASSWORD_EXPOSED, isPasswordVisible());
 598         outState.putInt(KEY_AUTH_STATUS_ICON, mAuthStatusIcon);
 599         outState.putInt(KEY_AUTH_STATUS_TEXT, mAuthStatusText);
 600         outState.putString(KEY_AUTH_TOKEN, mAuthToken);
 601
 602         /// authentication
 603         outState.putBoolean(KEY_AUTH_IS_FIRST_ATTEMPT_TAG, mIsFirstAuthAttempt);
 604
 605         /// AsyncTask (User and password)
 606         outState.putString(KEY_USERNAME, mUsernameInput.getText().toString());
 607         outState.putString(KEY_PASSWORD, mPasswordInput.getText().toString());
 608
 609         if (mAsyncTask != null) {
 610             mAsyncTask.cancel(true);
 611             outState.putBoolean(KEY_ASYNC_TASK_IN_PROGRESS, true);
 612         } else {
 613             outState.putBoolean(KEY_ASYNC_TASK_IN_PROGRESS, false);
 614         }
 615         mAsyncTask = null;
 616
 617         //Log_OC.wtf(TAG, "onSaveInstanceState end" );
 618     }
 619
 620     @Override
 621     public void onRestoreInstanceState(Bundle savedInstanceState) {
 622         super.onRestoreInstanceState(savedInstanceState);
 623
 624         // AsyncTask
 625         boolean inProgress = savedInstanceState.getBoolean(KEY_ASYNC_TASK_IN_PROGRESS);
 626         if (inProgress){
 627             String username = savedInstanceState.getString(KEY_USERNAME);
 628             String password = savedInstanceState.getString(KEY_PASSWORD);
 629
 630             OwnCloudCredentials credentials = null;
 631             if (BASIC_TOKEN_TYPE.equals(mAuthTokenType)) {
 632                 credentials = OwnCloudCredentialsFactory.newBasicCredentials(username, password);
 633
 634             } else if (OAUTH_TOKEN_TYPE.equals(mAuthTokenType)) {
 635                 credentials = OwnCloudCredentialsFactory.newBearerCredentials(mAuthToken);
 636
 637             }
 638             accessRootFolder(credentials);
 639         }
 640     }
 641
 642     /**
 643      * The redirection triggered by the OAuth authentication server as response to the
 644      * GET AUTHORIZATION request is caught here.
 645      *
 646      * To make this possible, this activity needs to be qualified with android:launchMode =
 647      * "singleTask" in the AndroidManifest.xml file.
 648      */
 649     @Override
 650     protected void onNewIntent (Intent intent) {
 651         Log_OC.d(TAG, "onNewIntent()");
 652         Uri data = intent.getData();
 653         if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) {
 654             mNewCapturedUriFromOAuth2Redirection = data;
 655         }
 656     }
 657
 658
 659     /**
 660      * The redirection triggered by the OAuth authentication server as response to the
 661      * GET AUTHORIZATION, and deferred in {@link #onNewIntent(Intent)}, is processed here.
 662      */
 663     @Override
 664     protected void onResume() {
 665         super.onResume();
 666
 667         // bound here to avoid spurious changes triggered by Android on device rotations
 668         mHostUrlInput.setOnFocusChangeListener(this);
 669         mHostUrlInput.addTextChangedListener(mHostUrlInputWatcher);
 670
 671         if (mNewCapturedUriFromOAuth2Redirection != null) {
 672             getOAuth2AccessTokenFromCapturedRedirection();
 673         }
 674
 675         if (mOperationsServiceBinder != null) {
 676             doOnResumeAndBound();
 677         }
 678
 679     }
 680
 681
 682     @Override
 683     protected void onPause() {
 684         if (mOperationsServiceBinder != null) {
 685             mOperationsServiceBinder.removeOperationListener(this);
 686         }
 687
 688         mHostUrlInput.removeTextChangedListener(mHostUrlInputWatcher);
 689         mHostUrlInput.setOnFocusChangeListener(null);
 690
 691         super.onPause();
 692     }
 693
 694     @Override
 695     protected void onDestroy() {
 696
 697         mHostUrlInputWatcher = null;
 698
 699         if (mOperationsServiceConnection != null) {
 700             unbindService(mOperationsServiceConnection);
 701             mOperationsServiceBinder = null;
 702         }
 703         super.onDestroy();
 704     }
 705
 706
 707     /**
 708      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 709      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 710      */
 711     private void getOAuth2AccessTokenFromCapturedRedirection() {
 712         /// Parse data from OAuth redirection
 713         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 714         mNewCapturedUriFromOAuth2Redirection = null;
 715
 716         /// Showing the dialog with instructions for the user.
 717         IndeterminateProgressDialog dialog =
 718                 IndeterminateProgressDialog.newInstance(R.string.auth_getting_authorization, true);
 719         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 720
 721         /// GET ACCESS TOKEN to the oAuth server
 722         Intent getServerInfoIntent = new Intent();
 723         getServerInfoIntent.setAction(OperationsService.ACTION_OAUTH2_GET_ACCESS_TOKEN);
 724
 725         getServerInfoIntent.putExtra(
 726                 OperationsService.EXTRA_SERVER_URL,
 727                 mOAuthTokenEndpointText.getText().toString().trim());
 728
 729         getServerInfoIntent.putExtra(
 730                 OperationsService.EXTRA_OAUTH2_QUERY_PARAMETERS,
 731                 queryParameters);
 732
 733         if (mOperationsServiceBinder != null) {
 734             //Log_OC.wtf(TAG, "getting access token..." );
 735             mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getServerInfoIntent);
 736         }
 737     }
 738
 739
 740
 741     /**
 742      * Handles the change of focus on the text inputs for the server URL and the password
 743      */
 744     public void onFocusChange(View view, boolean hasFocus) {
 745         if (view.getId() == R.id.hostUrlInput) {
 746             if (!hasFocus) {
 747                 onUrlInputFocusLost();
 748             }
 749             else {
 750                 showRefreshButton(false);
 751             }
 752
 753         } else if (view.getId() == R.id.account_password) {
 754             onPasswordFocusChanged(hasFocus);
 755         }
 756     }
 757
 758
 759     /**
 760      * Handles changes in focus on the text input for the server URL.
 761      *
 762      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 763      * other field. The operation to check the existence of the server in the entered URL is
 764      * started.
 765      *
 766      * When hasFocus:    user 'comes back' to write again the server URL.
 767      */
 768     private void onUrlInputFocusLost() {
 769         if (!mServerInfo.mBaseUrl.equals(
 770                 normalizeUrl(mHostUrlInput.getText().toString(), mServerInfo.mIsSslConn))) {
 771             // check server again only if the user changed something in the field
 772             checkOcServer();
 773         } else {
 774             mOkButton.setEnabled(mServerIsValid);
 775             showRefreshButton(!mServerIsValid);
 776         }
 777     }
 778
 779
 780     private void checkOcServer() {
 781         String uri = mHostUrlInput.getText().toString().trim();
 782         mServerIsValid = false;
 783         mServerIsChecked = false;
 784         mOkButton.setEnabled(false);
 785         mServerInfo = new GetServerInfoOperation.ServerInfo();
 786         showRefreshButton(false);
 787
 788         if (uri.length() != 0) {
 789             // Handle internationalized domain names
 790             uri = DisplayUtils.convertIdn(uri, true);
 791
 792             mServerStatusText = R.string.auth_testing_connection;
 793             mServerStatusIcon = R.drawable.progress_small;
 794             showServerStatus();
 795
 796             Intent getServerInfoIntent = new Intent();
 797             getServerInfoIntent.setAction(OperationsService.ACTION_GET_SERVER_INFO);
 798             getServerInfoIntent.putExtra(
 799                 OperationsService.EXTRA_SERVER_URL,
 800                 normalizeUrlSuffix(uri)
 801             );
 802             if (mOperationsServiceBinder != null) {
 803                 mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getServerInfoIntent);
 804             } else {
 805               Log_OC.wtf(TAG, "Server check tried with OperationService unbound!" );
 806             }
 807
 808         } else {
 809             mServerStatusText = 0;
 810             mServerStatusIcon = 0;
 811             showServerStatus();
 812         }
 813     }
 814
 815
 816     /**
 817      * Handles changes in focus on the text input for the password (basic authorization).
 818      *
 819      * When (hasFocus), the button to toggle password visibility is shown.
 820      *
 821      * When (!hasFocus), the button is made invisible and the password is hidden.
 822      *
 823      * @param hasFocus          'True' if focus is received, 'false' if is lost
 824      */
 825     private void onPasswordFocusChanged(boolean hasFocus) {
 826         if (hasFocus) {
 827             showViewPasswordButton();
 828         } else {
 829             hidePassword();
 830             hidePasswordButton();
 831         }
 832     }
 833
 834
 835     private void showViewPasswordButton() {
 836         int drawable = R.drawable.ic_view;
 837         if (isPasswordVisible()) {
 838             drawable = R.drawable.ic_hide;
 839         }
 840         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 841     }
 842
 843     private boolean isPasswordVisible() {
 844         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) ==
 845                 InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 846     }
 847
 848     private void hidePasswordButton() {
 849         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 850     }
 851
 852     private void showPassword() {
 853         mPasswordInput.setInputType(
 854                 InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD
 855         );
 856         showViewPasswordButton();
 857     }
 858
 859     private void hidePassword() {
 860         mPasswordInput.setInputType(
 861                 InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD
 862         );
 863         showViewPasswordButton();
 864     }
 865
 866     /**
 867      * Checks the credentials of the user in the root of the ownCloud server
 868      * before creating a new local account.
 869      *
 870      * For basic authorization, a check of existence of the root folder is
 871      * performed.
 872      *
 873      * For OAuth, starts the flow to get an access token; the credentials test
 874      * is postponed until it is available.
 875      *
 876      * IMPORTANT ENTRY POINT 4
 877      *
 878      * @param view      OK button
 879      */
 880     public void onOkClick(View view) {
 881         // this check should be unnecessary
 882         if (mServerInfo.mVersion == null ||
 883                 !mServerInfo.mVersion.isVersionValid()  ||
 884                 mServerInfo.mBaseUrl == null ||
 885                 mServerInfo.mBaseUrl.length() == 0) {
 886             mServerStatusIcon = R.drawable.common_error;
 887             mServerStatusText = R.string.auth_wtf_reenter_URL;
 888             showServerStatus();
 889             mOkButton.setEnabled(false);
 890             return;
 891         }
 892
 893         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
 894                 equals(mAuthTokenType)) {
 895
 896             startOauthorization();
 897         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 898                 equals(mAuthTokenType)) {
 899
 900             startSamlBasedFederatedSingleSignOnAuthorization();
 901         } else {
 902             checkBasicAuthorization();
 903         }
 904     }
 905
 906
 907     /**
 908      * Tests the credentials entered by the user performing a check of existence on
 909      * the root folder of the ownCloud server.
 910      */
 911     private void checkBasicAuthorization() {
 912         /// get basic credentials entered by user
 913         String username = mUsernameInput.getText().toString();
 914         String password = mPasswordInput.getText().toString();
 915
 916         /// be gentle with the user
 917         IndeterminateProgressDialog dialog =
 918                 IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
 919         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 920
 921         /// validate credentials accessing the root folder
 922         OwnCloudCredentials credentials = OwnCloudCredentialsFactory.newBasicCredentials(username,
 923                 password);
 924         accessRootFolder(credentials);
 925     }
 926
 927     private void accessRootFolder(OwnCloudCredentials credentials) {
 928         mAsyncTask = new AuthenticatorAsyncTask(this);
 929         Object[] params = { mServerInfo.mBaseUrl, credentials };
 930         mAsyncTask.execute(params);
 931     }
 932
 933
 934     /**
 935      * Starts the OAuth 'grant type' flow to get an access token, with
 936      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 937      */
 938     private void startOauthorization() {
 939         // be gentle with the user
 940         mAuthStatusIcon = R.drawable.progress_small;
 941         mAuthStatusText = R.string.oauth_login_connection;
 942         showAuthStatus();
 943
 944         // GET AUTHORIZATION request
 945         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 946         Uri.Builder uriBuilder = uri.buildUpon();
 947         uriBuilder.appendQueryParameter(
 948                 OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type)
 949         );
 950         uriBuilder.appendQueryParameter(
 951                 OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri)
 952         );
 953         uriBuilder.appendQueryParameter(
 954                 OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id)
 955         );
 956         uriBuilder.appendQueryParameter(
 957                 OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope)
 958         );
 959         uri = uriBuilder.build();
 960         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 961         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 962         startActivity(i);
 963     }
 964
 965
 966     /**
 967      * Starts the Web Single Sign On flow to get access to the root folder
 968      * in the server.
 969      */
 970     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 971         /// be gentle with the user
 972         mAuthStatusIcon = R.drawable.progress_small;
 973         mAuthStatusText = R.string.auth_connecting_auth_server;
 974         showAuthStatus();
 975
 976         /// Show SAML-based SSO web dialog
 977         String targetUrl = mServerInfo.mBaseUrl
 978                 + AccountUtils.getWebdavPath(mServerInfo.mVersion, mAuthTokenType);
 979         SamlWebViewDialog dialog = SamlWebViewDialog.newInstance(targetUrl, targetUrl);
 980         dialog.show(getSupportFragmentManager(), SAML_DIALOG_TAG);
 981     }
 982
 983     /**
 984      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 985      *
 986      * Dispatches the operation flow to the right method.
 987      */
 988     @Override
 989     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 990
 991         if (operation instanceof GetServerInfoOperation) {
 992             if (operation.hashCode() == mWaitingForOpId) {
 993                 onGetServerInfoFinish(result);
 994             }   // else nothing ; only the last check operation is considered;
 995                 // multiple can be started if the user amends a URL quickly
 996
 997         } else if (operation instanceof OAuth2GetAccessToken) {
 998             onGetOAuthAccessTokenFinish(result);
 999
1000         } else if (operation instanceof GetRemoteUserNameOperation) {
1001             onGetUserNameFinish(result);
1002         }
1003
1004     }
1005
1006     private void onGetUserNameFinish(RemoteOperationResult result) {
1007         mWaitingForOpId = Long.MAX_VALUE;
1008         if (result.isSuccess()) {
1009             boolean success = false;
1010             String username = (String) result.getData().get(0);
1011
1012             if ( mAction == ACTION_CREATE) {
1013                 mUsernameInput.setText(username);
1014                 success = createAccount();
1015             } else {
1016
1017                 if (!mUsernameInput.getText().toString().equals(username)) {
1018                     // fail - not a new account, but an existing one; disallow
1019                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
1020                     mAuthToken = "";
1021                     updateAuthStatusIconAndText(result);
1022                     showAuthStatus();
1023                     Log_OC.d(TAG, result.getLogMessage());
1024                 } else {
1025                     try {
1026                         updateAccountAuthentication();
1027                         success = true;
1028
1029                     } catch (AccountNotFoundException e) {
1030                         Log_OC.e(TAG, "Account " + mAccount + " was removed!", e);
1031                         Toast.makeText(this, R.string.auth_account_does_not_exist,
1032                                 Toast.LENGTH_SHORT).show();
1033                         finish();
1034                     }
1035                 }
1036             }
1037
1038             if (success)
1039                 finish();
1040         } else {
1041             updateStatusIconFailUserName();
1042             showAuthStatus();
1043             Log_OC.e(TAG, "Access to user name failed: " + result.getLogMessage());
1044         }
1045
1046     }
1047
1048     /**
1049      * Processes the result of the server check performed when the user finishes the enter of the
1050      * server URL.
1051      *
1052      * @param result        Result of the check.
1053      */
1054     private void onGetServerInfoFinish(RemoteOperationResult result) {
1055         /// update activity state
1056         mServerIsChecked = true;
1057         mWaitingForOpId = Long.MAX_VALUE;
1058
1059         // update server status, but don't show it yet
1060         updateServerStatusIconAndText(result);
1061
1062         if (result.isSuccess()) {
1063             /// SUCCESS means:
1064             //      1. connection succeeded, and we know if it's SSL or not
1065             //      2. server is installed
1066             //      3. we got the server version
1067             //      4. we got the authentication method required by the server
1068             mServerInfo = (GetServerInfoOperation.ServerInfo) (result.getData().get(0));
1069
1070             if (!authSupported(mServerInfo.mAuthMethod)) {
1071
1072                 updateServerStatusIconNoRegularAuth();  // overrides updateServerStatusIconAndText()
1073                 mServerIsValid = false;
1074
1075             } else {
1076                 mServerIsValid = true;
1077             }
1078
1079         } else {
1080             mServerIsValid = false;
1081         }
1082
1083         // refresh UI
1084         showRefreshButton(!mServerIsValid);
1085         showServerStatus();
1086         mOkButton.setEnabled(mServerIsValid);
1087
1088         /// very special case (TODO: move to a common place for all the remote operations)
1089         if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1090             showUntrustedCertDialog(result);
1091         }
1092     }
1093
1094
1095     private boolean authSupported(AuthenticationMethod authMethod) {
1096         return (( BASIC_TOKEN_TYPE.equals(mAuthTokenType) &&
1097                     AuthenticationMethod.BASIC_HTTP_AUTH.equals(authMethod) ) ||
1098                 ( OAUTH_TOKEN_TYPE.equals(mAuthTokenType) &&
1099                     AuthenticationMethod.BEARER_TOKEN.equals(authMethod)) ||
1100                 ( SAML_TOKEN_TYPE.equals(mAuthTokenType)  &&
1101                     AuthenticationMethod.SAML_WEB_SSO.equals(authMethod))
1102         );
1103     }
1104
1105
1106     // TODO remove, if possible
1107     private String normalizeUrl(String url, boolean sslWhenUnprefixed) {
1108         if (url != null && url.length() > 0) {
1109             url = url.trim();
1110             if (!url.toLowerCase().startsWith("http://") &&
1111                     !url.toLowerCase().startsWith("https://")) {
1112                 if (sslWhenUnprefixed) {
1113                     url = "https://" + url;
1114                 } else {
1115                     url = "http://" + url;
1116                 }
1117             }
1118
1119             url = normalizeUrlSuffix(url);
1120         }
1121         return (url != null ? url : "");
1122     }
1123
1124
1125     private String normalizeUrlSuffix(String url) {
1126         if (url.endsWith("/")) {
1127             url = url.substring(0, url.length() - 1);
1128         }
1129         url = trimUrlWebdav(url);
1130         return url;
1131     }
1132
1133
1134     // TODO remove, if possible
1135     private String trimUrlWebdav(String url){
1136         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0_AND_LATER)){
1137             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0_AND_LATER.length());
1138         }
1139         return (url != null ? url : "");
1140     }
1141
1142
1143     /**
1144      * Chooses the right icon and text to show to the user for the received operation result.
1145      *
1146      * @param result    Result of a remote operation performed in this activity
1147      */
1148     private void updateServerStatusIconAndText(RemoteOperationResult result) {
1149         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1150
1151         switch (result.getCode()) {
1152         case OK_SSL:
1153             mServerStatusIcon = android.R.drawable.ic_secure;
1154             mServerStatusText = R.string.auth_secure_connection;
1155             break;
1156
1157         case OK_NO_SSL:
1158         case OK:
1159             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1160                 mServerStatusText = R.string.auth_connection_established;
1161                 mServerStatusIcon = R.drawable.ic_ok;
1162             } else {
1163                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1164                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
1165             }
1166             break;
1167
1168         case NO_NETWORK_CONNECTION:
1169             mServerStatusIcon = R.drawable.no_network;
1170             mServerStatusText = R.string.auth_no_net_conn_title;
1171             break;
1172
1173         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1174             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1175             break;
1176         case BAD_OC_VERSION:
1177             mServerStatusText = R.string.auth_bad_oc_version_title;
1178             break;
1179         case WRONG_CONNECTION:
1180             mServerStatusText = R.string.auth_wrong_connection_title;
1181             break;
1182         case TIMEOUT:
1183             mServerStatusText = R.string.auth_timeout_title;
1184             break;
1185         case INCORRECT_ADDRESS:
1186             mServerStatusText = R.string.auth_incorrect_address_title;
1187             break;
1188         case SSL_ERROR:
1189             mServerStatusText = R.string.auth_ssl_general_error_title;
1190             break;
1191         case UNAUTHORIZED:
1192             mServerStatusText = R.string.auth_unauthorized;
1193             break;
1194         case HOST_NOT_AVAILABLE:
1195             mServerStatusText = R.string.auth_unknown_host_title;
1196             break;
1197         case INSTANCE_NOT_CONFIGURED:
1198             mServerStatusText = R.string.auth_not_configured_title;
1199             break;
1200         case FILE_NOT_FOUND:
1201             mServerStatusText = R.string.auth_incorrect_path_title;
1202             break;
1203         case OAUTH2_ERROR:
1204             mServerStatusText = R.string.auth_oauth_error;
1205             break;
1206         case OAUTH2_ERROR_ACCESS_DENIED:
1207             mServerStatusText = R.string.auth_oauth_error_access_denied;
1208             break;
1209         case UNHANDLED_HTTP_CODE:
1210         case UNKNOWN_ERROR:
1211             mServerStatusText = R.string.auth_unknown_error_title;
1212             break;
1213         case OK_REDIRECT_TO_NON_SECURE_CONNECTION:
1214             mServerStatusIcon = android.R.drawable.ic_partial_secure;
1215             mServerStatusText = R.string.auth_redirect_non_secure_connection_title;
1216             break;
1217         default:
1218             mServerStatusText = 0;
1219             mServerStatusIcon = 0;
1220         }
1221     }
1222
1223
1224     /**
1225      * Chooses the right icon and text to show to the user for the received operation result.
1226      *
1227      * @param result    Result of a remote operation performed in this activity
1228      */
1229     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1230         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1231
1232         switch (result.getCode()) {
1233         case OK_SSL:
1234             mAuthStatusIcon = android.R.drawable.ic_secure;
1235             mAuthStatusText = R.string.auth_secure_connection;
1236             break;
1237
1238         case OK_NO_SSL:
1239         case OK:
1240             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1241                 mAuthStatusText = R.string.auth_connection_established;
1242                 mAuthStatusIcon = R.drawable.ic_ok;
1243             } else {
1244                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1245                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
1246             }
1247             break;
1248
1249         case NO_NETWORK_CONNECTION:
1250             mAuthStatusIcon = R.drawable.no_network;
1251             mAuthStatusText = R.string.auth_no_net_conn_title;
1252             break;
1253
1254         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1255             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1256             break;
1257         case BAD_OC_VERSION:
1258             mAuthStatusText = R.string.auth_bad_oc_version_title;
1259             break;
1260         case WRONG_CONNECTION:
1261             mAuthStatusText = R.string.auth_wrong_connection_title;
1262             break;
1263         case TIMEOUT:
1264             mAuthStatusText = R.string.auth_timeout_title;
1265             break;
1266         case INCORRECT_ADDRESS:
1267             mAuthStatusText = R.string.auth_incorrect_address_title;
1268             break;
1269         case SSL_ERROR:
1270             mAuthStatusText = R.string.auth_ssl_general_error_title;
1271             break;
1272         case UNAUTHORIZED:
1273             mAuthStatusText = R.string.auth_unauthorized;
1274             break;
1275         case HOST_NOT_AVAILABLE:
1276             mAuthStatusText = R.string.auth_unknown_host_title;
1277             break;
1278         case INSTANCE_NOT_CONFIGURED:
1279             mAuthStatusText = R.string.auth_not_configured_title;
1280             break;
1281         case FILE_NOT_FOUND:
1282             mAuthStatusText = R.string.auth_incorrect_path_title;
1283             break;
1284         case OAUTH2_ERROR:
1285             mAuthStatusText = R.string.auth_oauth_error;
1286             break;
1287         case OAUTH2_ERROR_ACCESS_DENIED:
1288             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1289             break;
1290         case ACCOUNT_NOT_NEW:
1291             mAuthStatusText = R.string.auth_account_not_new;
1292             break;
1293         case ACCOUNT_NOT_THE_SAME:
1294             mAuthStatusText = R.string.auth_account_not_the_same;
1295             break;
1296         case UNHANDLED_HTTP_CODE:
1297         case UNKNOWN_ERROR:
1298             mAuthStatusText = R.string.auth_unknown_error_title;
1299             break;
1300         default:
1301             mAuthStatusText = 0;
1302             mAuthStatusIcon = 0;
1303         }
1304     }
1305
1306
1307     private void updateStatusIconFailUserName(){
1308         mAuthStatusIcon = R.drawable.common_error;
1309         mAuthStatusText = R.string.auth_fail_get_user_name;
1310     }
1311
1312     private void updateServerStatusIconNoRegularAuth(){
1313         mServerStatusIcon = R.drawable.common_error;
1314         mServerStatusText = R.string.auth_can_not_auth_against_server;
1315     }
1316
1317     /**
1318      * Processes the result of the request for and access token send
1319      * to an OAuth authorization server.
1320      *
1321      * @param result        Result of the operation.
1322      */
1323     private void onGetOAuthAccessTokenFinish(RemoteOperationResult result) {
1324         mWaitingForOpId = Long.MAX_VALUE;
1325         dismissDialog(WAIT_DIALOG_TAG);
1326
1327         if (result.isSuccess()) {
1328             /// be gentle with the user
1329             IndeterminateProgressDialog dialog =
1330                     IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
1331             dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
1332
1333             /// time to test the retrieved access token on the ownCloud server
1334             @SuppressWarnings("unchecked")
1335             Map<String, String> tokens = (Map<String, String>)(result.getData().get(0));
1336             mAuthToken = tokens.get(OAuth2Constants.KEY_ACCESS_TOKEN);
1337             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1338
1339             /// validate token accessing to root folder / getting session
1340             OwnCloudCredentials credentials = OwnCloudCredentialsFactory.newBearerCredentials(
1341                     mAuthToken);
1342             accessRootFolder(credentials);
1343
1344         } else {
1345             updateAuthStatusIconAndText(result);
1346             showAuthStatus();
1347             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1348         }
1349     }
1350
1351
1352     /**
1353      * Processes the result of the access check performed to try the user credentials.
1354      *
1355      * Creates a new account through the AccountManager.
1356      *
1357      * @param result        Result of the operation.
1358      */
1359     @Override
1360     public void onAuthenticatorTaskCallback(RemoteOperationResult result) {
1361         mWaitingForOpId = Long.MAX_VALUE;
1362         dismissDialog(WAIT_DIALOG_TAG);
1363
1364         if (result.isSuccess()) {
1365             Log_OC.d(TAG, "Successful access - time to save the account");
1366
1367             boolean success = false;
1368             if (mAction == ACTION_CREATE) {
1369                 success = createAccount();
1370
1371             } else {
1372                 try {
1373                     updateAccountAuthentication();
1374                     success = true;
1375
1376                 } catch (AccountNotFoundException e) {
1377                     Log_OC.e(TAG, "Account " + mAccount + " was removed!", e);
1378                     Toast.makeText(this, R.string.auth_account_does_not_exist,
1379                             Toast.LENGTH_SHORT).show();
1380                     finish();
1381                 }
1382             }
1383
1384             if (success) {
1385                 finish();
1386             }
1387
1388         } else if (result.isServerFail() || result.isException()) {
1389             /// server errors or exceptions in authorization take to requiring a new check of
1390             /// the server
1391             mServerIsChecked = true;
1392             mServerIsValid = false;
1393             mServerInfo = new GetServerInfoOperation.ServerInfo();
1394
1395             // update status icon and text
1396             updateServerStatusIconAndText(result);
1397             showServerStatus();
1398             mAuthStatusIcon = 0;
1399             mAuthStatusText = 0;
1400             showAuthStatus();
1401
1402             // update input controls state
1403             showRefreshButton(true);
1404             mOkButton.setEnabled(false);
1405
1406             // very special case (TODO: move to a common place for all the remote operations)
1407             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1408                 showUntrustedCertDialog(result);
1409             }
1410
1411         } else {    // authorization fail due to client side - probably wrong credentials
1412             updateAuthStatusIconAndText(result);
1413             showAuthStatus();
1414             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1415         }
1416     }
1417
1418
1419
1420
1421     /**
1422      * Updates the authentication token.
1423      *
1424      * Sets the proper response so that the AccountAuthenticator that started this activity
1425      * saves a new authorization token for mAccount.
1426      *
1427      * Kills the session kept by OwnCloudClientManager so that a new one will created with
1428      * the new credentials when needed.
1429      */
1430     private void updateAccountAuthentication() throws AccountNotFoundException {
1431
1432         Bundle response = new Bundle();
1433         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1434         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1435
1436         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
1437                 equals(mAuthTokenType)) {
1438             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1439             // the next line is necessary, notifications are calling directly to the
1440             // AuthenticatorActivity to update, without AccountManager intervention
1441             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1442
1443         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1444                 equals(mAuthTokenType)) {
1445
1446             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1447             // the next line is necessary; by now, notifications are calling directly to the
1448             // AuthenticatorActivity to update, without AccountManager intervention
1449             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1450
1451         } else {
1452             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1453             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1454         }
1455         setAccountAuthenticatorResult(response);
1456
1457     }
1458
1459
1460     /**
1461      * Creates a new account through the Account Authenticator that started this activity.
1462      *
1463      * This makes the account permanent.
1464      *
1465      * TODO Decide how to name the OAuth accounts
1466      */
1467     private boolean createAccount() {
1468         /// create and save new ownCloud account
1469         boolean isOAuth = AccountTypeUtils.
1470                 getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1471         boolean isSaml =  AccountTypeUtils.
1472                 getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1473
1474         Uri uri = Uri.parse(mServerInfo.mBaseUrl);
1475         String username = mUsernameInput.getText().toString().trim();
1476         if (isOAuth) {
1477             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1478         }
1479         String accountName = com.owncloud.android.lib.common.accounts.AccountUtils.
1480                 buildAccountName(uri, username);
1481         Account newAccount = new Account(accountName, MainApp.getAccountType());
1482         if (AccountUtils.exists(newAccount, getApplicationContext())) {
1483             // fail - not a new account, but an existing one; disallow
1484             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1485             updateAuthStatusIconAndText(result);
1486             showAuthStatus();
1487             Log_OC.d(TAG, result.getLogMessage());
1488             return false;
1489
1490         } else {
1491             mAccount = newAccount;
1492
1493             if (isOAuth || isSaml) {
1494                 // with external authorizations, the password is never input in the app
1495                 mAccountMgr.addAccountExplicitly(mAccount, "", null);
1496             } else {
1497                 mAccountMgr.addAccountExplicitly(
1498                         mAccount, mPasswordInput.getText().toString(), null
1499                 );
1500             }
1501
1502             // include account version with the new account
1503             mAccountMgr.setUserData(
1504                 mAccount,
1505                 Constants.KEY_OC_ACCOUNT_VERSION,
1506                 Integer.toString(AccountUtils.ACCOUNT_VERSION)
1507             );
1508
1509             /// add the new account as default in preferences, if there is none already
1510             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1511             if (defaultAccount == null) {
1512                 SharedPreferences.Editor editor = PreferenceManager
1513                         .getDefaultSharedPreferences(this).edit();
1514                 editor.putString("select_oc_account", accountName);
1515                 editor.commit();
1516             }
1517
1518             /// prepare result to return to the Authenticator
1519             //  TODO check again what the Authenticator makes with it; probably has the same
1520             //  effect as addAccountExplicitly, but it's not well done
1521             final Intent intent = new Intent();
1522             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1523             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1524             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1525             if (isOAuth || isSaml) {
1526                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1527             }
1528             /// add user data to the new account; TODO probably can be done in the last parameter
1529             //      addAccountExplicitly, or in KEY_USERDATA
1530             mAccountMgr.setUserData(
1531                     mAccount, Constants.KEY_OC_VERSION,    mServerInfo.mVersion.getVersion()
1532             );
1533             mAccountMgr.setUserData(
1534                     mAccount, Constants.KEY_OC_BASE_URL,   mServerInfo.mBaseUrl
1535             );
1536
1537             if (isSaml) {
1538                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1539             } else if (isOAuth) {
1540                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1541             }
1542
1543             setAccountAuthenticatorResult(intent.getExtras());
1544             setResult(RESULT_OK, intent);
1545
1546             return true;
1547         }
1548     }
1549
1550
1551     /**
1552      * Starts and activity to open the 'new account' page in the ownCloud web site
1553      *
1554      * @param view      'Account register' button
1555      */
1556     public void onRegisterClick(View view) {
1557         Intent register = new Intent(
1558                 Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url))
1559         );
1560         setResult(RESULT_CANCELED);
1561         startActivity(register);
1562     }
1563
1564
1565     /**
1566      * Updates the content and visibility state of the icon and text associated
1567      * to the last check on the ownCloud server.
1568      *
1569      */
1570     private void showServerStatus() {
1571         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1572             mServerStatusView.setVisibility(View.INVISIBLE);
1573
1574         } else {
1575             mServerStatusView.setText(mServerStatusText);
1576             mServerStatusView.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1577             mServerStatusView.setVisibility(View.VISIBLE);
1578         }
1579
1580     }
1581
1582
1583     /**
1584      * Updates the content and visibility state of the icon and text associated
1585      * to the interactions with the OAuth authorization server.
1586      */
1587     private void showAuthStatus() {
1588         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1589             mAuthStatusView.setVisibility(View.INVISIBLE);
1590
1591         } else {
1592             mAuthStatusView.setText(mAuthStatusText);
1593             mAuthStatusView.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1594             mAuthStatusView.setVisibility(View.VISIBLE);
1595         }
1596     }
1597
1598
1599     private void showRefreshButton (boolean show) {
1600         if (show)  {
1601             mRefreshButton.setVisibility(View.VISIBLE);
1602         } else {
1603             mRefreshButton.setVisibility(View.GONE);
1604         }
1605     }
1606
1607     /**
1608      * Called when the refresh button in the input field for ownCloud host is clicked.
1609      *
1610      * Performs a new check on the URL in the input field.
1611      *
1612      * @param view      Refresh 'button'
1613      */
1614     public void onRefreshClick(View view) {
1615         checkOcServer();
1616     }
1617
1618
1619     /**
1620      * Called when the eye icon in the password field is clicked.
1621      *
1622      * Toggles the visibility of the password in the field.
1623      */
1624     public void onViewPasswordClick() {
1625         int selectionStart = mPasswordInput.getSelectionStart();
1626         int selectionEnd = mPasswordInput.getSelectionEnd();
1627         if (isPasswordVisible()) {
1628             hidePassword();
1629         } else {
1630             showPassword();
1631         }
1632         mPasswordInput.setSelection(selectionStart, selectionEnd);
1633     }
1634
1635
1636     /**
1637      * Called when the checkbox for OAuth authorization is clicked.
1638      *
1639      * Hides or shows the input fields for user & password.
1640      *
1641      * @param view      'View password' 'button'
1642      */
1643     public void onCheckClick(View view) {
1644         CheckBox oAuth2Check = (CheckBox)view;
1645         if (oAuth2Check.isChecked()) {
1646             mAuthTokenType = OAUTH_TOKEN_TYPE;
1647         } else {
1648             mAuthTokenType = BASIC_TOKEN_TYPE;
1649         }
1650         updateAuthenticationPreFragmentVisibility();
1651     }
1652
1653
1654     /**
1655      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1656      *
1657      *  Used to trigger the authentication check when the user presses 'enter' after writing the
1658      *  password, or to throw the server test when the only field on screen is the URL input field.
1659      */
1660     @Override
1661     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1662         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null &&
1663                 inputField.equals(mPasswordInput)) {
1664             if (mOkButton.isEnabled()) {
1665                 mOkButton.performClick();
1666             }
1667
1668         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null &&
1669                 inputField.equals(mHostUrlInput)) {
1670             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1671                     equals(mAuthTokenType)) {
1672                 checkOcServer();
1673             }
1674         }
1675         return false;   // always return false to grant that the software keyboard is hidden anyway
1676     }
1677
1678
1679     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1680
1681         private int fuzz = 75;
1682
1683         /**
1684          * {@inheritDoc}
1685          */
1686         @Override
1687         public boolean onTouch(View view, MotionEvent event) {
1688             Drawable rightDrawable = null;
1689             if (view instanceof TextView) {
1690                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1691                 if (drawables.length > 2) {
1692                     rightDrawable = drawables[2];
1693                 }
1694             }
1695             if (rightDrawable != null) {
1696                 final int x = (int) event.getX();
1697                 final int y = (int) event.getY();
1698                 final Rect bounds = rightDrawable.getBounds();
1699                 if (    x >= (view.getRight() - bounds.width() - fuzz) &&
1700                         x <= (view.getRight() - view.getPaddingRight() + fuzz) &&
1701                         y >= (view.getPaddingTop() - fuzz) &&
1702                         y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1703
1704                     return onDrawableTouch(event);
1705                 }
1706             }
1707             return false;
1708         }
1709
1710         public abstract boolean onDrawableTouch(final MotionEvent event);
1711     }
1712
1713
1714     private void getRemoteUserNameOperation(String sessionCookie, boolean followRedirects) {
1715
1716         Intent getUserNameIntent = new Intent();
1717         getUserNameIntent.setAction(OperationsService.ACTION_GET_USER_NAME);
1718         getUserNameIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mServerInfo.mBaseUrl);
1719         getUserNameIntent.putExtra(OperationsService.EXTRA_COOKIE, sessionCookie);
1720
1721         if (mOperationsServiceBinder != null) {
1722             mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getUserNameIntent);
1723         }
1724     }
1725
1726
1727     @Override
1728     public void onSsoFinished(String sessionCookie) {
1729         if (sessionCookie != null && sessionCookie.length() > 0) {
1730             Log_OC.d(TAG, "Successful SSO - time to save the account");
1731             mAuthToken = sessionCookie;
1732             getRemoteUserNameOperation(sessionCookie, true);
1733             Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1734             if (fd != null && fd instanceof DialogFragment) {
1735                 Dialog d = ((DialogFragment)fd).getDialog();
1736                 if (d != null && d.isShowing()) {
1737                     d.dismiss();
1738                 }
1739             }
1740
1741         } else {
1742             // TODO - show fail
1743             Log_OC.d(TAG, "SSO failed");
1744         }
1745
1746     }
1747
1748     @Override
1749     public boolean onTouchEvent(MotionEvent event) {
1750         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1751                 equals(mAuthTokenType) &&
1752                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1753             checkOcServer();
1754         }
1755         return super.onTouchEvent(event);
1756     }
1757
1758
1759     /**
1760      * Show untrusted cert dialog
1761      */
1762     public void showUntrustedCertDialog(
1763             X509Certificate x509Certificate, SslError error, SslErrorHandler handler
1764         ) {
1765         // Show a dialog with the certificate info
1766         SslUntrustedCertDialog dialog = null;
1767         if (x509Certificate == null) {
1768             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
1769         } else {
1770             dialog = SslUntrustedCertDialog.
1771                     newInstanceForFullSslError(x509Certificate, error, handler);
1772         }
1773         FragmentManager fm = getSupportFragmentManager();
1774         FragmentTransaction ft = fm.beginTransaction();
1775         ft.addToBackStack(null);
1776         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1777     }
1778
1779
1780     /**
1781      * Show untrusted cert dialog
1782      */
1783     private void showUntrustedCertDialog(RemoteOperationResult result) {
1784         // Show a dialog with the certificate info
1785         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.
1786                 newInstanceForFullSslError((CertificateCombinedException)result.getException());
1787         FragmentManager fm = getSupportFragmentManager();
1788         FragmentTransaction ft = fm.beginTransaction();
1789         ft.addToBackStack(null);
1790         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1791
1792     }
1793
1794     /**
1795      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1796      */
1797     public void onSavedCertificate() {
1798         Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1799         if (fd == null) {
1800             // if SAML dialog is not shown,
1801             // the SslDialog was shown due to an SSL error in the server check
1802             checkOcServer();
1803         }
1804     }
1805
1806     /**
1807      * Called from SslValidatorDialog when a new server certificate could not be saved
1808      * when the user requested it.
1809      */
1810     @Override
1811     public void onFailedSavingCertificate() {
1812         dismissDialog(SAML_DIALOG_TAG);
1813         Toast.makeText(this, R.string.ssl_validator_not_saved, Toast.LENGTH_LONG).show();
1814     }
1815
1816     @Override
1817     public void onCancelCertificate() {
1818         dismissDialog(SAML_DIALOG_TAG);
1819     }
1820
1821
1822     private void doOnResumeAndBound() {
1823         //Log_OC.wtf(TAG, "registering to listen for operation callbacks" );
1824         mOperationsServiceBinder.addOperationListener(AuthenticatorActivity.this, mHandler);
1825         if (mWaitingForOpId <= Integer.MAX_VALUE) {
1826             mOperationsServiceBinder.dispatchResultIfFinished((int)mWaitingForOpId, this);
1827         }
1828
1829         if (mPendingAutoCheck) {
1830             checkOcServer();
1831         }
1832     }
1833
1834
1835     private void dismissDialog(String dialogTag){
1836         Fragment frag = getSupportFragmentManager().findFragmentByTag(dialogTag);
1837         if (frag != null && frag instanceof DialogFragment) {
1838             DialogFragment dialog = (DialogFragment) frag;
1839             dialog.dismiss();
1840         }
1841     }
1842
1843
1844     /**
1845      * Implements callback methods for service binding.
1846      */
1847     private class OperationsServiceConnection implements ServiceConnection {
1848
1849         @Override
1850         public void onServiceConnected(ComponentName component, IBinder service) {
1851             if (component.equals(
1852                     new ComponentName(AuthenticatorActivity.this, OperationsService.class)
1853                 )) {
1854                 mOperationsServiceBinder = (OperationsServiceBinder) service;
1855
1856                 doOnResumeAndBound();
1857
1858             } else {
1859                 return;
1860             }
1861
1862         }
1863
1864         @Override
1865         public void onServiceDisconnected(ComponentName component) {
1866             if (component.equals(
1867                     new ComponentName(AuthenticatorActivity.this, OperationsService.class)
1868                 )) {
1869                 Log_OC.e(TAG, "Operations service crashed");
1870                 mOperationsServiceBinder = null;
1871             }
1872         }
1873
1874     }
1875
1876     /**
1877      * Create and show dialog for request authentication to the user
1878      * @param webView
1879      * @param handler
1880      */
1881     public void createAuthenticationDialog(WebView webView, HttpAuthHandler handler) {
1882
1883         // Show a dialog with the certificate info
1884         CredentialsDialogFragment dialog =
1885                 CredentialsDialogFragment.newInstanceForCredentials(webView, handler);
1886         FragmentManager fm = getSupportFragmentManager();
1887         FragmentTransaction ft = fm.beginTransaction();
1888         ft.addToBackStack(null);
1889         dialog.setCancelable(false);
1890         dialog.show(ft, CREDENTIALS_DIALOG_TAG);
1891
1892         if (!mIsFirstAuthAttempt) {
1893             Toast.makeText(
1894                     getApplicationContext(),
1895                     getText(R.string.saml_authentication_wrong_pass),
1896                     Toast.LENGTH_LONG
1897             ).show();
1898         } else {
1899             mIsFirstAuthAttempt = false;
1900         }
1901     }
1902
1903     /**
1904      * For retrieving the clicking on authentication cancel button
1905      */
1906     public void doNegativeAuthenticatioDialogClick(){
1907         mIsFirstAuthAttempt = true;
1908     }
1909
1910 }