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