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         mOkButton.setOnClickListener(new View.OnClickListener() {
 256
 257             @Override
 258             public void onClick(View v) {
 259                 onOkClick();
 260             }
 261         });
 262
 263         findViewById(R.id.centeredRefreshButton).setOnClickListener(new View.OnClickListener() {
 264
 265             @Override
 266             public void onClick(View v) {
 267                 checkOcServer();
 268             }
 269         });
 270
 271         findViewById(R.id.embeddedRefreshButton).setOnClickListener(new View.OnClickListener() {
 272
 273             @Override
 274             public void onClick(View v) {
 275                 checkOcServer();
 276             }
 277         });
 278
 279
 280         /// initialize block to be moved to single Fragment to check server and get info about it
 281         initServerPreFragment(savedInstanceState);
 282
 283         /// initialize block to be moved to single Fragment to retrieve and validate credentials
 284         initAuthorizationPreFragment(savedInstanceState);
 285
 286         //Log_OC.wtf(TAG,  "onCreate end");
 287     }
 288
 289     private void initAuthTokenType() {
 290         mAuthTokenType =
 291                 getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 292         if (mAuthTokenType == null) {
 293             if (mAccount != null) {
 294                 boolean oAuthRequired =
 295                     (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2) != null);
 296                 boolean samlWebSsoRequired = (
 297                     mAccountMgr.getUserData(
 298                         mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO
 299                     ) != null
 300                 );
 301                 mAuthTokenType = chooseAuthTokenType(oAuthRequired, samlWebSsoRequired);
 302
 303             } else {
 304                 boolean oAuthSupported = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
 305                 boolean samlWebSsoSupported =
 306                         AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));
 307                 mAuthTokenType = chooseAuthTokenType(oAuthSupported, samlWebSsoSupported);
 308             }
 309         }
 310     }
 311
 312     private String chooseAuthTokenType(boolean oauth, boolean saml) {
 313         if (saml) {
 314             return SAML_TOKEN_TYPE;
 315         } else if (oauth) {
 316              return OAUTH_TOKEN_TYPE;
 317         } else {
 318             return BASIC_TOKEN_TYPE;
 319         }
 320     }
 321
 322
 323     /**
 324      * Configures elements in the user interface under direct control of the Activity.
 325      */
 326     private void initOverallUi() {
 327
 328         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 329         boolean isWelcomeLinkVisible = getResources().getBoolean(R.bool.show_welcome_link);
 330
 331         String instructionsMessageText = null;
 332         if (mAction == ACTION_UPDATE_EXPIRED_TOKEN) {
 333             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType())
 334                     .equals(mAuthTokenType)) {
 335                 instructionsMessageText = getString(R.string.auth_expired_oauth_token_toast);
 336
 337             } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType())
 338                     .equals(mAuthTokenType)) {
 339                 instructionsMessageText = getString(R.string.auth_expired_saml_sso_token_toast);
 340
 341             } else {
 342                 instructionsMessageText = getString(R.string.auth_expired_basic_auth_toast);
 343             }
 344         }
 345
 346         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 347         Button welcomeLink = (Button) findViewById(R.id.welcome_link);
 348         welcomeLink.setVisibility(isWelcomeLinkVisible ? View.VISIBLE : View.GONE);
 349         welcomeLink.setText(
 350                 String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 351
 352         TextView instructionsView = (TextView) findViewById(R.id.instructions_message);
 353         if (instructionsMessageText != null) {
 354             instructionsView.setVisibility(View.VISIBLE);
 355             instructionsView.setText(instructionsMessageText);
 356         } else {
 357             instructionsView.setVisibility(View.GONE);
 358         }
 359     }
 360
 361
 362     /**
 363      *
 364      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 365      */
 366     private void initServerPreFragment(Bundle savedInstanceState) {
 367
 368         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 369         boolean isUrlInputAllowed = getResources().getBoolean(R.bool.show_server_url_input);
 370         if (savedInstanceState == null) {
 371             if (mAccount != null) {
 372                 mServerInfo.mBaseUrl = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_BASE_URL);
 373                 // TODO do next in a setter for mBaseUrl
 374                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");
 375                 mServerInfo.mVersion = AccountUtils.getServerVersion(mAccount);
 376             } else {
 377                 mServerInfo.mBaseUrl = getString(R.string.server_url).trim();
 378                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");
 379             }
 380         } else {
 381             mServerStatusText = savedInstanceState.getInt(KEY_SERVER_STATUS_TEXT);
 382             mServerStatusIcon = savedInstanceState.getInt(KEY_SERVER_STATUS_ICON);
 383
 384             mServerIsValid = savedInstanceState.getBoolean(KEY_SERVER_VALID);
 385             mServerIsChecked = savedInstanceState.getBoolean(KEY_SERVER_CHECKED);
 386
 387             // TODO parcelable
 388             mServerInfo.mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 389             mServerInfo.mBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 390             String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 391             if (ocVersion != null) {
 392                 mServerInfo.mVersion = new OwnCloudVersion(ocVersion);
 393             }
 394             mServerInfo.mAuthMethod = AuthenticationMethod.valueOf(
 395                     savedInstanceState.getString(KEY_SERVER_AUTH_METHOD));
 396
 397         }
 398
 399         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 400         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 401         // Convert IDN to Unicode
 402         mHostUrlInput.setText(DisplayUtils.convertIdn(mServerInfo.mBaseUrl, false));
 403         if (mAction != ACTION_CREATE) {
 404             /// lock things that should not change
 405             mHostUrlInput.setEnabled(false);
 406             mHostUrlInput.setFocusable(false);
 407         }
 408         if (isUrlInputAllowed) {
 409             mRefreshButton = findViewById(R.id.embeddedRefreshButton);
 410         } else {
 411             findViewById(R.id.hostUrlFrame).setVisibility(View.GONE);
 412             mRefreshButton = findViewById(R.id.centeredRefreshButton);
 413         }
 414         showRefreshButton(mServerIsChecked && !mServerIsValid &&
 415                 mWaitingForOpId > Integer.MAX_VALUE);
 416         mServerStatusView = (TextView) findViewById(R.id.server_status_text);
 417         showServerStatus();
 418
 419         /// step 3 - bind some listeners and options
 420         mHostUrlInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 421         mHostUrlInput.setOnEditorActionListener(this);
 422
 423         /// step 4 - create listeners that will be bound at onResume
 424         mHostUrlInputWatcher = new TextWatcher() {
 425
 426             @Override
 427             public void afterTextChanged(Editable s) {
 428                 if (mOkButton.isEnabled() &&
 429                         !mServerInfo.mBaseUrl.equals(
 430                                 normalizeUrl(s.toString(), mServerInfo.mIsSslConn))) {
 431                     mOkButton.setEnabled(false);
 432                 }
 433             }
 434
 435             @Override
 436             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 437             }
 438
 439             @Override
 440             public void onTextChanged(CharSequence s, int start, int before, int count) {
 441                 if (mAuthStatusIcon != 0) {
 442                     Log_OC.d(TAG, "onTextChanged: hiding authentication status");
 443                     mAuthStatusIcon = 0;
 444                     mAuthStatusText = 0;
 445                     showAuthStatus();
 446                 }
 447             }
 448         };
 449
 450
 451         // TODO find out if this is really necessary, or if it can done in a different way
 452         findViewById(R.id.scroll).setOnTouchListener(new OnTouchListener() {
 453             @Override
 454             public boolean onTouch(View view, MotionEvent event) {
 455                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 456                     if (
 457                             AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(
 458                                     MainApp.getAccountType()
 459                             ).equals(mAuthTokenType) &&
 460                                     mHostUrlInput.hasFocus()
 461                             ) {
 462                         checkOcServer();
 463                     }
 464                 }
 465                 return false;
 466             }
 467         });
 468
 469
 470         /// step 4 - mark automatic check to be started when OperationsService is ready
 471         mPendingAutoCheck = (savedInstanceState == null &&
 472                 (mAction != ACTION_CREATE || !isUrlInputAllowed));
 473     }
 474
 475
 476     /**
 477      *
 478      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 479      */
 480     private void initAuthorizationPreFragment(Bundle savedInstanceState) {
 481
 482         /// step 0 - get UI elements in layout
 483         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 484         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 485         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 486         mUsernameInput = (EditText) findViewById(R.id.account_username);
 487         mPasswordInput = (EditText) findViewById(R.id.account_password);
 488         mAuthStatusView = (TextView) findViewById(R.id.auth_status_text);
 489
 490         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 491         String presetUserName = null;
 492         boolean isPasswordExposed = false;
 493         if (savedInstanceState == null) {
 494             if (mAccount != null) {
 495                 presetUserName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 496             }
 497
 498         } else {
 499             isPasswordExposed = savedInstanceState.getBoolean(KEY_PASSWORD_EXPOSED, false);
 500             mAuthStatusText = savedInstanceState.getInt(KEY_AUTH_STATUS_TEXT);
 501             mAuthStatusIcon = savedInstanceState.getInt(KEY_AUTH_STATUS_ICON);
 502             mAuthToken = savedInstanceState.getString(KEY_AUTH_TOKEN);
 503         }
 504
 505         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 506         mOAuth2Check.setChecked(
 507                 AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType())
 508                     .equals(mAuthTokenType));
 509         if (presetUserName != null) {
 510             mUsernameInput.setText(presetUserName);
 511         }
 512         if (mAction != ACTION_CREATE) {
 513             mUsernameInput.setEnabled(false);
 514             mUsernameInput.setFocusable(false);
 515         }
 516         mPasswordInput.setText(""); // clean password to avoid social hacking
 517         if (isPasswordExposed) {
 518             showPassword();
 519         }
 520         updateAuthenticationPreFragmentVisibility();
 521         showAuthStatus();
 522         mOkButton.setEnabled(mServerIsValid);
 523
 524
 525         /// step 3 - bind listeners
 526         // bindings for password input field
 527         mPasswordInput.setOnFocusChangeListener(this);
 528         mPasswordInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
 529         mPasswordInput.setOnEditorActionListener(this);
 530         mPasswordInput.setOnTouchListener(new RightDrawableOnTouchListener() {
 531             @Override
 532             public boolean onDrawableTouch(final MotionEvent event) {
 533                 if (event.getAction() == MotionEvent.ACTION_UP) {
 534                     AuthenticatorActivity.this.onViewPasswordClick();
 535                 }
 536                 return true;
 537             }
 538         });
 539
 540     }
 541
 542
 543     /**
 544      * Changes the visibility of input elements depending on
 545      * the current authorization method.
 546      */
 547     private void updateAuthenticationPreFragmentVisibility () {
 548         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 549                 equals(mAuthTokenType)) {
 550             // SAML-based web Single Sign On
 551             mOAuth2Check.setVisibility(View.GONE);
 552             mOAuthAuthEndpointText.setVisibility(View.GONE);
 553             mOAuthTokenEndpointText.setVisibility(View.GONE);
 554             mUsernameInput.setVisibility(View.GONE);
 555             mPasswordInput.setVisibility(View.GONE);
 556
 557         } else {
 558             if (mAction == ACTION_CREATE &&
 559                     AUTH_OPTIONAL.equals(getString(R.string.auth_method_oauth2))) {
 560                 mOAuth2Check.setVisibility(View.VISIBLE);
 561             } else {
 562                 mOAuth2Check.setVisibility(View.GONE);
 563             }
 564
 565             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
 566                     equals(mAuthTokenType)) {
 567                 // OAuth 2 authorization
 568
 569                 mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
 570                 mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
 571                 mUsernameInput.setVisibility(View.GONE);
 572                 mPasswordInput.setVisibility(View.GONE);
 573
 574             } else {
 575                 // basic HTTP authorization
 576                 mOAuthAuthEndpointText.setVisibility(View.GONE);
 577                 mOAuthTokenEndpointText.setVisibility(View.GONE);
 578                 mUsernameInput.setVisibility(View.VISIBLE);
 579                 mPasswordInput.setVisibility(View.VISIBLE);
 580             }
 581         }
 582     }
 583
 584
 585
 586     /**
 587      * Saves relevant state before {@link #onPause()}
 588      *
 589      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag,
 590      * intended to defer the processing of the redirection caught in
 591      * {@link #onNewIntent(Intent)} until {@link #onResume()}
 592      *
 593      * See {@link super#onSaveInstanceState(Bundle)}
 594      */
 595     @Override
 596     protected void onSaveInstanceState(Bundle outState) {
 597         //Log_OC.wtf(TAG, "onSaveInstanceState init" );
 598         super.onSaveInstanceState(outState);
 599
 600         /// global state
 601         outState.putString(KEY_AUTH_TOKEN_TYPE, mAuthTokenType);
 602         outState.putLong(KEY_WAITING_FOR_OP_ID, mWaitingForOpId);
 603
 604         /// Server PRE-fragment state
 605         outState.putInt(KEY_SERVER_STATUS_TEXT, mServerStatusText);
 606         outState.putInt(KEY_SERVER_STATUS_ICON, mServerStatusIcon);
 607         outState.putBoolean(KEY_SERVER_CHECKED, mServerIsChecked);
 608         outState.putBoolean(KEY_SERVER_VALID, mServerIsValid);
 609         outState.putBoolean(KEY_IS_SSL_CONN, mServerInfo.mIsSslConn);
 610         outState.putString(KEY_HOST_URL_TEXT, mServerInfo.mBaseUrl);
 611         if (mServerInfo.mVersion != null) {
 612             outState.putString(KEY_OC_VERSION, mServerInfo.mVersion.getVersion());
 613         }
 614         outState.putString(KEY_SERVER_AUTH_METHOD, mServerInfo.mAuthMethod.name());
 615
 616         /// Authentication PRE-fragment state
 617         outState.putBoolean(KEY_PASSWORD_EXPOSED, isPasswordVisible());
 618         outState.putInt(KEY_AUTH_STATUS_ICON, mAuthStatusIcon);
 619         outState.putInt(KEY_AUTH_STATUS_TEXT, mAuthStatusText);
 620         outState.putString(KEY_AUTH_TOKEN, mAuthToken);
 621
 622         /// authentication
 623         outState.putBoolean(KEY_AUTH_IS_FIRST_ATTEMPT_TAG, mIsFirstAuthAttempt);
 624
 625         /// AsyncTask (User and password)
 626         outState.putString(KEY_USERNAME, mUsernameInput.getText().toString());
 627         outState.putString(KEY_PASSWORD, mPasswordInput.getText().toString());
 628
 629         if (mAsyncTask != null) {
 630             mAsyncTask.cancel(true);
 631             outState.putBoolean(KEY_ASYNC_TASK_IN_PROGRESS, true);
 632         } else {
 633             outState.putBoolean(KEY_ASYNC_TASK_IN_PROGRESS, false);
 634         }
 635         mAsyncTask = null;
 636
 637         //Log_OC.wtf(TAG, "onSaveInstanceState end" );
 638     }
 639
 640     @Override
 641     public void onRestoreInstanceState(Bundle savedInstanceState) {
 642         super.onRestoreInstanceState(savedInstanceState);
 643
 644         // AsyncTask
 645         boolean inProgress = savedInstanceState.getBoolean(KEY_ASYNC_TASK_IN_PROGRESS);
 646         if (inProgress){
 647             String username = savedInstanceState.getString(KEY_USERNAME);
 648             String password = savedInstanceState.getString(KEY_PASSWORD);
 649
 650             OwnCloudCredentials credentials = null;
 651             if (BASIC_TOKEN_TYPE.equals(mAuthTokenType)) {
 652                 credentials = OwnCloudCredentialsFactory.newBasicCredentials(username, password);
 653
 654             } else if (OAUTH_TOKEN_TYPE.equals(mAuthTokenType)) {
 655                 credentials = OwnCloudCredentialsFactory.newBearerCredentials(mAuthToken);
 656
 657             }
 658             accessRootFolder(credentials);
 659         }
 660     }
 661
 662     /**
 663      * The redirection triggered by the OAuth authentication server as response to the
 664      * GET AUTHORIZATION request is caught here.
 665      *
 666      * To make this possible, this activity needs to be qualified with android:launchMode =
 667      * "singleTask" in the AndroidManifest.xml file.
 668      */
 669     @Override
 670     protected void onNewIntent (Intent intent) {
 671         Log_OC.d(TAG, "onNewIntent()");
 672         Uri data = intent.getData();
 673         if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) {
 674             mNewCapturedUriFromOAuth2Redirection = data;
 675         }
 676     }
 677
 678
 679     /**
 680      * The redirection triggered by the OAuth authentication server as response to the
 681      * GET AUTHORIZATION, and deferred in {@link #onNewIntent(Intent)}, is processed here.
 682      */
 683     @Override
 684     protected void onResume() {
 685         super.onResume();
 686
 687         // bound here to avoid spurious changes triggered by Android on device rotations
 688         mHostUrlInput.setOnFocusChangeListener(this);
 689         mHostUrlInput.addTextChangedListener(mHostUrlInputWatcher);
 690
 691         if (mNewCapturedUriFromOAuth2Redirection != null) {
 692             getOAuth2AccessTokenFromCapturedRedirection();
 693         }
 694
 695         if (mOperationsServiceBinder != null) {
 696             doOnResumeAndBound();
 697         }
 698
 699     }
 700
 701
 702     @Override
 703     protected void onPause() {
 704         if (mOperationsServiceBinder != null) {
 705             mOperationsServiceBinder.removeOperationListener(this);
 706         }
 707
 708         mHostUrlInput.removeTextChangedListener(mHostUrlInputWatcher);
 709         mHostUrlInput.setOnFocusChangeListener(null);
 710
 711         super.onPause();
 712     }
 713
 714     @Override
 715     protected void onDestroy() {
 716
 717         mHostUrlInputWatcher = null;
 718
 719         if (mOperationsServiceConnection != null) {
 720             unbindService(mOperationsServiceConnection);
 721             mOperationsServiceBinder = null;
 722         }
 723         super.onDestroy();
 724     }
 725
 726
 727     /**
 728      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 729      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 730      */
 731     private void getOAuth2AccessTokenFromCapturedRedirection() {
 732         /// Parse data from OAuth redirection
 733         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 734         mNewCapturedUriFromOAuth2Redirection = null;
 735
 736         /// Showing the dialog with instructions for the user.
 737         IndeterminateProgressDialog dialog =
 738                 IndeterminateProgressDialog.newInstance(R.string.auth_getting_authorization, true);
 739         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 740
 741         /// GET ACCESS TOKEN to the oAuth server
 742         Intent getServerInfoIntent = new Intent();
 743         getServerInfoIntent.setAction(OperationsService.ACTION_OAUTH2_GET_ACCESS_TOKEN);
 744
 745         getServerInfoIntent.putExtra(
 746                 OperationsService.EXTRA_SERVER_URL,
 747                 mOAuthTokenEndpointText.getText().toString().trim());
 748
 749         getServerInfoIntent.putExtra(
 750                 OperationsService.EXTRA_OAUTH2_QUERY_PARAMETERS,
 751                 queryParameters);
 752
 753         if (mOperationsServiceBinder != null) {
 754             //Log_OC.wtf(TAG, "getting access token..." );
 755             mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getServerInfoIntent);
 756         }
 757     }
 758
 759
 760
 761     /**
 762      * Handles the change of focus on the text inputs for the server URL and the password
 763      */
 764     public void onFocusChange(View view, boolean hasFocus) {
 765         if (view.getId() == R.id.hostUrlInput) {
 766             if (!hasFocus) {
 767                 onUrlInputFocusLost();
 768             }
 769             else {
 770                 showRefreshButton(false);
 771             }
 772
 773         } else if (view.getId() == R.id.account_password) {
 774             onPasswordFocusChanged(hasFocus);
 775         }
 776     }
 777
 778
 779     /**
 780      * Handles changes in focus on the text input for the server URL.
 781      *
 782      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 783      * other field. The operation to check the existence of the server in the entered URL is
 784      * started.
 785      *
 786      * When hasFocus:    user 'comes back' to write again the server URL.
 787      */
 788     private void onUrlInputFocusLost() {
 789         if (!mServerInfo.mBaseUrl.equals(
 790                 normalizeUrl(mHostUrlInput.getText().toString(), mServerInfo.mIsSslConn))) {
 791             // check server again only if the user changed something in the field
 792             checkOcServer();
 793         } else {
 794             mOkButton.setEnabled(mServerIsValid);
 795             showRefreshButton(!mServerIsValid);
 796         }
 797     }
 798
 799
 800     private void checkOcServer() {
 801         String uri = mHostUrlInput.getText().toString().trim();
 802         mServerIsValid = false;
 803         mServerIsChecked = false;
 804         mOkButton.setEnabled(false);
 805         mServerInfo = new GetServerInfoOperation.ServerInfo();
 806         showRefreshButton(false);
 807
 808         if (uri.length() != 0) {
 809             uri = stripIndexPhpOrAppsFiles(uri, mHostUrlInput);
 810
 811             // Handle internationalized domain names
 812             uri = DisplayUtils.convertIdn(uri, true);
 813
 814             mServerStatusText = R.string.auth_testing_connection;
 815             mServerStatusIcon = R.drawable.progress_small;
 816             showServerStatus();
 817
 818             Intent getServerInfoIntent = new Intent();
 819             getServerInfoIntent.setAction(OperationsService.ACTION_GET_SERVER_INFO);
 820             getServerInfoIntent.putExtra(
 821                     OperationsService.EXTRA_SERVER_URL,
 822                     normalizeUrlSuffix(uri)
 823             );
 824             if (mOperationsServiceBinder != null) {
 825                 mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getServerInfoIntent);
 826             } else {
 827               Log_OC.wtf(TAG, "Server check tried with OperationService unbound!" );
 828             }
 829
 830         } else {
 831             mServerStatusText = 0;
 832             mServerStatusIcon = 0;
 833             showServerStatus();
 834         }
 835     }
 836
 837
 838     /**
 839      * Handles changes in focus on the text input for the password (basic authorization).
 840      *
 841      * When (hasFocus), the button to toggle password visibility is shown.
 842      *
 843      * When (!hasFocus), the button is made invisible and the password is hidden.
 844      *
 845      * @param hasFocus          'True' if focus is received, 'false' if is lost
 846      */
 847     private void onPasswordFocusChanged(boolean hasFocus) {
 848         if (hasFocus) {
 849             showViewPasswordButton();
 850         } else {
 851             hidePassword();
 852             hidePasswordButton();
 853         }
 854     }
 855
 856
 857     private void showViewPasswordButton() {
 858         int drawable = R.drawable.ic_view;
 859         if (isPasswordVisible()) {
 860             drawable = R.drawable.ic_hide;
 861         }
 862         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 863     }
 864
 865     private boolean isPasswordVisible() {
 866         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) ==
 867                 InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 868     }
 869
 870     private void hidePasswordButton() {
 871         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 872     }
 873
 874     private void showPassword() {
 875         mPasswordInput.setInputType(
 876                 InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD
 877         );
 878         showViewPasswordButton();
 879     }
 880
 881     private void hidePassword() {
 882         mPasswordInput.setInputType(
 883                 InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD
 884         );
 885         showViewPasswordButton();
 886     }
 887
 888     /**
 889      * Checks the credentials of the user in the root of the ownCloud server
 890      * before creating a new local account.
 891      *
 892      * For basic authorization, a check of existence of the root folder is
 893      * performed.
 894      *
 895      * For OAuth, starts the flow to get an access token; the credentials test
 896      * is postponed until it is available.
 897      *
 898      * IMPORTANT ENTRY POINT 4
 899      */
 900     public void onOkClick() {
 901         // this check should be unnecessary
 902         if (mServerInfo.mVersion == null ||
 903                 !mServerInfo.mVersion.isVersionValid()  ||
 904                 mServerInfo.mBaseUrl == null ||
 905                 mServerInfo.mBaseUrl.length() == 0) {
 906             mServerStatusIcon = R.drawable.common_error;
 907             mServerStatusText = R.string.auth_wtf_reenter_URL;
 908             showServerStatus();
 909             mOkButton.setEnabled(false);
 910             return;
 911         }
 912
 913         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
 914                 equals(mAuthTokenType)) {
 915
 916             startOauthorization();
 917         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 918                 equals(mAuthTokenType)) {
 919
 920             startSamlBasedFederatedSingleSignOnAuthorization();
 921         } else {
 922             checkBasicAuthorization();
 923         }
 924     }
 925
 926
 927     /**
 928      * Tests the credentials entered by the user performing a check of existence on
 929      * the root folder of the ownCloud server.
 930      */
 931     private void checkBasicAuthorization() {
 932         /// get basic credentials entered by user
 933         String username = mUsernameInput.getText().toString();
 934         String password = mPasswordInput.getText().toString();
 935
 936         /// be gentle with the user
 937         IndeterminateProgressDialog dialog =
 938                 IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
 939         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 940
 941         /// validate credentials accessing the root folder
 942         OwnCloudCredentials credentials = OwnCloudCredentialsFactory.newBasicCredentials(username,
 943                 password);
 944         accessRootFolder(credentials);
 945     }
 946
 947     private void accessRootFolder(OwnCloudCredentials credentials) {
 948         mAsyncTask = new AuthenticatorAsyncTask(this);
 949         Object[] params = { mServerInfo.mBaseUrl, credentials };
 950         mAsyncTask.execute(params);
 951     }
 952
 953
 954     /**
 955      * Starts the OAuth 'grant type' flow to get an access token, with
 956      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 957      */
 958     private void startOauthorization() {
 959         // be gentle with the user
 960         mAuthStatusIcon = R.drawable.progress_small;
 961         mAuthStatusText = R.string.oauth_login_connection;
 962         showAuthStatus();
 963
 964         // GET AUTHORIZATION request
 965         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 966         Uri.Builder uriBuilder = uri.buildUpon();
 967         uriBuilder.appendQueryParameter(
 968                 OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type)
 969         );
 970         uriBuilder.appendQueryParameter(
 971                 OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri)
 972         );
 973         uriBuilder.appendQueryParameter(
 974                 OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id)
 975         );
 976         uriBuilder.appendQueryParameter(
 977                 OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope)
 978         );
 979         uri = uriBuilder.build();
 980         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 981         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 982         startActivity(i);
 983     }
 984
 985
 986     /**
 987      * Starts the Web Single Sign On flow to get access to the root folder
 988      * in the server.
 989      */
 990     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 991         /// be gentle with the user
 992         mAuthStatusIcon = R.drawable.progress_small;
 993         mAuthStatusText = R.string.auth_connecting_auth_server;
 994         showAuthStatus();
 995
 996         /// Show SAML-based SSO web dialog
 997         String targetUrl = mServerInfo.mBaseUrl
 998                 + AccountUtils.getWebdavPath(mServerInfo.mVersion, mAuthTokenType);
 999         SamlWebViewDialog dialog = SamlWebViewDialog.newInstance(targetUrl, targetUrl);
1000         dialog.show(getSupportFragmentManager(), SAML_DIALOG_TAG);
1001     }
1002
1003     /**
1004      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
1005      *
1006      * Dispatches the operation flow to the right method.
1007      */
1008     @Override
1009     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1010
1011         if (operation instanceof GetServerInfoOperation) {
1012             if (operation.hashCode() == mWaitingForOpId) {
1013                 onGetServerInfoFinish(result);
1014             }   // else nothing ; only the last check operation is considered;
1015                 // multiple can be started if the user amends a URL quickly
1016
1017         } else if (operation instanceof OAuth2GetAccessToken) {
1018             onGetOAuthAccessTokenFinish(result);
1019
1020         } else if (operation instanceof GetRemoteUserNameOperation) {
1021             onGetUserNameFinish(result);
1022         }
1023
1024     }
1025
1026     private void onGetUserNameFinish(RemoteOperationResult result) {
1027         mWaitingForOpId = Long.MAX_VALUE;
1028         if (result.isSuccess()) {
1029             boolean success = false;
1030             String username = (String) result.getData().get(0);
1031
1032             if ( mAction == ACTION_CREATE) {
1033                 mUsernameInput.setText(username);
1034                 success = createAccount(result);
1035             } else {
1036
1037                 if (!mUsernameInput.getText().toString().equals(username)) {
1038                     // fail - not a new account, but an existing one; disallow
1039                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
1040                     mAuthToken = "";
1041                     updateAuthStatusIconAndText(result);
1042                     showAuthStatus();
1043                     Log_OC.d(TAG, result.getLogMessage());
1044                 } else {
1045                     try {
1046                         updateAccountAuthentication();
1047                         success = true;
1048
1049                     } catch (AccountNotFoundException e) {
1050                         Log_OC.e(TAG, "Account " + mAccount + " was removed!", e);
1051                         Toast.makeText(this, R.string.auth_account_does_not_exist,
1052                                 Toast.LENGTH_SHORT).show();
1053                         finish();
1054                     }
1055                 }
1056             }
1057
1058             if (success)
1059                 finish();
1060         } else {
1061             updateStatusIconFailUserName();
1062             showAuthStatus();
1063             Log_OC.e(TAG, "Access to user name failed: " + result.getLogMessage());
1064         }
1065
1066     }
1067
1068     /**
1069      * Processes the result of the server check performed when the user finishes the enter of the
1070      * server URL.
1071      *
1072      * @param result        Result of the check.
1073      */
1074     private void onGetServerInfoFinish(RemoteOperationResult result) {
1075         /// update activity state
1076         mServerIsChecked = true;
1077         mWaitingForOpId = Long.MAX_VALUE;
1078
1079         // update server status, but don't show it yet
1080         updateServerStatusIconAndText(result);
1081
1082         if (result.isSuccess()) {
1083             /// SUCCESS means:
1084             //      1. connection succeeded, and we know if it's SSL or not
1085             //      2. server is installed
1086             //      3. we got the server version
1087             //      4. we got the authentication method required by the server
1088             mServerInfo = (GetServerInfoOperation.ServerInfo) (result.getData().get(0));
1089
1090             if (!authSupported(mServerInfo.mAuthMethod)) {
1091
1092                 updateServerStatusIconNoRegularAuth();  // overrides updateServerStatusIconAndText()
1093                 mServerIsValid = false;
1094
1095             } else {
1096                 mServerIsValid = true;
1097             }
1098
1099         } else {
1100             mServerIsValid = false;
1101         }
1102
1103         // refresh UI
1104         showRefreshButton(!mServerIsValid);
1105         showServerStatus();
1106         mOkButton.setEnabled(mServerIsValid);
1107
1108         /// very special case (TODO: move to a common place for all the remote operations)
1109         if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1110             showUntrustedCertDialog(result);
1111         }
1112     }
1113
1114
1115     private boolean authSupported(AuthenticationMethod authMethod) {
1116         return (( BASIC_TOKEN_TYPE.equals(mAuthTokenType) &&
1117                     AuthenticationMethod.BASIC_HTTP_AUTH.equals(authMethod) ) ||
1118                 ( OAUTH_TOKEN_TYPE.equals(mAuthTokenType) &&
1119                     AuthenticationMethod.BEARER_TOKEN.equals(authMethod)) ||
1120                 ( SAML_TOKEN_TYPE.equals(mAuthTokenType)  &&
1121                     AuthenticationMethod.SAML_WEB_SSO.equals(authMethod))
1122         );
1123     }
1124
1125
1126     // TODO remove, if possible
1127     private String normalizeUrl(String url, boolean sslWhenUnprefixed) {
1128         if (url != null && url.length() > 0) {
1129             url = url.trim();
1130             if (!url.toLowerCase().startsWith("http://") &&
1131                     !url.toLowerCase().startsWith("https://")) {
1132                 if (sslWhenUnprefixed) {
1133                     url = "https://" + url;
1134                 } else {
1135                     url = "http://" + url;
1136                 }
1137             }
1138
1139             url = normalizeUrlSuffix(url);
1140         }
1141         return (url != null ? url : "");
1142     }
1143
1144
1145     private String normalizeUrlSuffix(String url) {
1146         if (url.endsWith("/")) {
1147             url = url.substring(0, url.length() - 1);
1148         }
1149         url = trimUrlWebdav(url);
1150         return url;
1151     }
1152
1153     private String stripIndexPhpOrAppsFiles(String url, EditText mHostUrlInput) {
1154         if (url.endsWith("/index.php")) {
1155             url = url.substring(0, url.lastIndexOf("/index.php"));
1156             mHostUrlInput.setText(url);
1157         } else if (url.contains("/index.php/apps/")) {
1158             url = url.substring(0, url.lastIndexOf("/index.php/apps/"));
1159             mHostUrlInput.setText(url);
1160         }
1161
1162         return url;
1163     }
1164
1165     // TODO remove, if possible
1166     private String trimUrlWebdav(String url){
1167         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0_AND_LATER)){
1168             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0_AND_LATER.length());
1169         }
1170         return url;
1171     }
1172
1173
1174     /**
1175      * Chooses the right icon and text to show to the user for the received operation result.
1176      *
1177      * @param result    Result of a remote operation performed in this activity
1178      */
1179     private void updateServerStatusIconAndText(RemoteOperationResult result) {
1180         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1181
1182         switch (result.getCode()) {
1183         case OK_SSL:
1184             mServerStatusIcon = R.drawable.ic_lock;
1185             mServerStatusText = R.string.auth_secure_connection;
1186             break;
1187
1188         case OK_NO_SSL:
1189         case OK:
1190             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1191                 mServerStatusText = R.string.auth_connection_established;
1192                 mServerStatusIcon = R.drawable.ic_ok;
1193             } else {
1194                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1195                 mServerStatusIcon = R.drawable.ic_lock_open;
1196             }
1197             break;
1198
1199         case NO_NETWORK_CONNECTION:
1200             mServerStatusIcon = R.drawable.no_network;
1201             mServerStatusText = R.string.auth_no_net_conn_title;
1202             break;
1203
1204         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1205             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1206             break;
1207         case BAD_OC_VERSION:
1208             mServerStatusText = R.string.auth_bad_oc_version_title;
1209             break;
1210         case WRONG_CONNECTION:
1211             mServerStatusText = R.string.auth_wrong_connection_title;
1212             break;
1213         case TIMEOUT:
1214             mServerStatusText = R.string.auth_timeout_title;
1215             break;
1216         case INCORRECT_ADDRESS:
1217             mServerStatusText = R.string.auth_incorrect_address_title;
1218             break;
1219         case SSL_ERROR:
1220             mServerStatusText = R.string.auth_ssl_general_error_title;
1221             break;
1222         case UNAUTHORIZED:
1223             mServerStatusText = R.string.auth_unauthorized;
1224             break;
1225         case HOST_NOT_AVAILABLE:
1226             mServerStatusText = R.string.auth_unknown_host_title;
1227             break;
1228         case INSTANCE_NOT_CONFIGURED:
1229             mServerStatusText = R.string.auth_not_configured_title;
1230             break;
1231         case FILE_NOT_FOUND:
1232             mServerStatusText = R.string.auth_incorrect_path_title;
1233             break;
1234         case OAUTH2_ERROR:
1235             mServerStatusText = R.string.auth_oauth_error;
1236             break;
1237         case OAUTH2_ERROR_ACCESS_DENIED:
1238             mServerStatusText = R.string.auth_oauth_error_access_denied;
1239             break;
1240         case UNHANDLED_HTTP_CODE:
1241         case UNKNOWN_ERROR:
1242             mServerStatusText = R.string.auth_unknown_error_title;
1243             break;
1244         case OK_REDIRECT_TO_NON_SECURE_CONNECTION:
1245             mServerStatusIcon = R.drawable.ic_lock_open;
1246             mServerStatusText = R.string.auth_redirect_non_secure_connection_title;
1247             break;
1248         default:
1249             mServerStatusText = 0;
1250             mServerStatusIcon = 0;
1251         }
1252     }
1253
1254
1255     /**
1256      * Chooses the right icon and text to show to the user for the received operation result.
1257      *
1258      * @param result    Result of a remote operation performed in this activity
1259      */
1260     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1261         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1262
1263         switch (result.getCode()) {
1264         case OK_SSL:
1265             mAuthStatusIcon = R.drawable.ic_lock;
1266             mAuthStatusText = R.string.auth_secure_connection;
1267             break;
1268
1269         case OK_NO_SSL:
1270         case OK:
1271             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1272                 mAuthStatusText = R.string.auth_connection_established;
1273                 mAuthStatusIcon = R.drawable.ic_ok;
1274             } else {
1275                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1276                 mAuthStatusIcon = R.drawable.ic_lock_open;
1277             }
1278             break;
1279
1280         case NO_NETWORK_CONNECTION:
1281             mAuthStatusIcon = R.drawable.no_network;
1282             mAuthStatusText = R.string.auth_no_net_conn_title;
1283             break;
1284
1285         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1286             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1287             break;
1288         case BAD_OC_VERSION:
1289             mAuthStatusText = R.string.auth_bad_oc_version_title;
1290             break;
1291         case WRONG_CONNECTION:
1292             mAuthStatusText = R.string.auth_wrong_connection_title;
1293             break;
1294         case TIMEOUT:
1295             mAuthStatusText = R.string.auth_timeout_title;
1296             break;
1297         case INCORRECT_ADDRESS:
1298             mAuthStatusText = R.string.auth_incorrect_address_title;
1299             break;
1300         case SSL_ERROR:
1301             mAuthStatusText = R.string.auth_ssl_general_error_title;
1302             break;
1303         case UNAUTHORIZED:
1304             mAuthStatusText = R.string.auth_unauthorized;
1305             break;
1306         case HOST_NOT_AVAILABLE:
1307             mAuthStatusText = R.string.auth_unknown_host_title;
1308             break;
1309         case INSTANCE_NOT_CONFIGURED:
1310             mAuthStatusText = R.string.auth_not_configured_title;
1311             break;
1312         case FILE_NOT_FOUND:
1313             mAuthStatusText = R.string.auth_incorrect_path_title;
1314             break;
1315         case OAUTH2_ERROR:
1316             mAuthStatusText = R.string.auth_oauth_error;
1317             break;
1318         case OAUTH2_ERROR_ACCESS_DENIED:
1319             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1320             break;
1321         case ACCOUNT_NOT_NEW:
1322             mAuthStatusText = R.string.auth_account_not_new;
1323             break;
1324         case ACCOUNT_NOT_THE_SAME:
1325             mAuthStatusText = R.string.auth_account_not_the_same;
1326             break;
1327         case UNHANDLED_HTTP_CODE:
1328         case UNKNOWN_ERROR:
1329             mAuthStatusText = R.string.auth_unknown_error_title;
1330             break;
1331         default:
1332             mAuthStatusText = 0;
1333             mAuthStatusIcon = 0;
1334         }
1335     }
1336
1337
1338     private void updateStatusIconFailUserName(){
1339         mAuthStatusIcon = R.drawable.common_error;
1340         mAuthStatusText = R.string.auth_fail_get_user_name;
1341     }
1342
1343     private void updateServerStatusIconNoRegularAuth(){
1344         mServerStatusIcon = R.drawable.common_error;
1345         mServerStatusText = R.string.auth_can_not_auth_against_server;
1346     }
1347
1348     /**
1349      * Processes the result of the request for and access token send
1350      * to an OAuth authorization server.
1351      *
1352      * @param result        Result of the operation.
1353      */
1354     private void onGetOAuthAccessTokenFinish(RemoteOperationResult result) {
1355         mWaitingForOpId = Long.MAX_VALUE;
1356         dismissDialog(WAIT_DIALOG_TAG);
1357
1358         if (result.isSuccess()) {
1359             /// be gentle with the user
1360             IndeterminateProgressDialog dialog =
1361                     IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
1362             dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
1363
1364             /// time to test the retrieved access token on the ownCloud server
1365             @SuppressWarnings("unchecked")
1366             Map<String, String> tokens = (Map<String, String>)(result.getData().get(0));
1367             mAuthToken = tokens.get(OAuth2Constants.KEY_ACCESS_TOKEN);
1368             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1369
1370             /// validate token accessing to root folder / getting session
1371             OwnCloudCredentials credentials = OwnCloudCredentialsFactory.newBearerCredentials(
1372                     mAuthToken);
1373             accessRootFolder(credentials);
1374
1375         } else {
1376             updateAuthStatusIconAndText(result);
1377             showAuthStatus();
1378             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1379         }
1380     }
1381
1382
1383     /**
1384      * Processes the result of the access check performed to try the user credentials.
1385      *
1386      * Creates a new account through the AccountManager.
1387      *
1388      * @param result        Result of the operation.
1389      */
1390     @Override
1391     public void onAuthenticatorTaskCallback(RemoteOperationResult result) {
1392         mWaitingForOpId = Long.MAX_VALUE;
1393         dismissDialog(WAIT_DIALOG_TAG);
1394         mAsyncTask = null;
1395
1396         if (result.isSuccess()) {
1397             Log_OC.d(TAG, "Successful access - time to save the account");
1398
1399             boolean success = false;
1400
1401             if (mAction == ACTION_CREATE) {
1402                 success = createAccount(result);
1403
1404             } else {
1405                 try {
1406                     updateAccountAuthentication();
1407                     success = true;
1408
1409                 } catch (AccountNotFoundException e) {
1410                     Log_OC.e(TAG, "Account " + mAccount + " was removed!", e);
1411                     Toast.makeText(this, R.string.auth_account_does_not_exist,
1412                             Toast.LENGTH_SHORT).show();
1413                     finish();
1414                 }
1415             }
1416
1417             if (success) {
1418                 finish();
1419             }
1420
1421         } else if (result.isServerFail() || result.isException()) {
1422             /// server errors or exceptions in authorization take to requiring a new check of
1423             /// the server
1424             mServerIsChecked = true;
1425             mServerIsValid = false;
1426             mServerInfo = new GetServerInfoOperation.ServerInfo();
1427
1428             // update status icon and text
1429             updateServerStatusIconAndText(result);
1430             showServerStatus();
1431             mAuthStatusIcon = 0;
1432             mAuthStatusText = 0;
1433             showAuthStatus();
1434
1435             // update input controls state
1436             showRefreshButton(true);
1437             mOkButton.setEnabled(false);
1438
1439             // very special case (TODO: move to a common place for all the remote operations)
1440             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1441                 showUntrustedCertDialog(result);
1442             }
1443
1444         } else {    // authorization fail due to client side - probably wrong credentials
1445             updateAuthStatusIconAndText(result);
1446             showAuthStatus();
1447             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1448         }
1449     }
1450
1451
1452
1453
1454     /**
1455      * Updates the authentication token.
1456      *
1457      * Sets the proper response so that the AccountAuthenticator that started this activity
1458      * saves a new authorization token for mAccount.
1459      *
1460      * Kills the session kept by OwnCloudClientManager so that a new one will created with
1461      * the new credentials when needed.
1462      */
1463     private void updateAccountAuthentication() throws AccountNotFoundException {
1464
1465         Bundle response = new Bundle();
1466         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1467         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1468
1469         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
1470                 equals(mAuthTokenType)) {
1471             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1472             // the next line is necessary, notifications are calling directly to the
1473             // AuthenticatorActivity to update, without AccountManager intervention
1474             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1475
1476         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1477                 equals(mAuthTokenType)) {
1478
1479             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1480             // the next line is necessary; by now, notifications are calling directly to the
1481             // AuthenticatorActivity to update, without AccountManager intervention
1482             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1483
1484         } else {
1485             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1486             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1487         }
1488         setAccountAuthenticatorResult(response);
1489
1490     }
1491
1492
1493     /**
1494      * Creates a new account through the Account Authenticator that started this activity.
1495      *
1496      * This makes the account permanent.
1497      *
1498      * TODO Decide how to name the OAuth accounts
1499      */
1500     private boolean createAccount(RemoteOperationResult authResult) {
1501         /// create and save new ownCloud account
1502         boolean isOAuth = AccountTypeUtils.
1503                 getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1504         boolean isSaml =  AccountTypeUtils.
1505                 getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1506
1507         String lastPermanentLocation = authResult.getLastPermanentLocation();
1508         if (lastPermanentLocation != null) {
1509             mServerInfo.mBaseUrl = AccountUtils.trimWebdavSuffix(lastPermanentLocation);
1510         }
1511
1512         Uri uri = Uri.parse(mServerInfo.mBaseUrl);
1513         String username = mUsernameInput.getText().toString().trim();
1514         if (isOAuth) {
1515             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1516         }
1517         String accountName = com.owncloud.android.lib.common.accounts.AccountUtils.
1518                 buildAccountName(uri, username);
1519         Account newAccount = new Account(accountName, MainApp.getAccountType());
1520         if (AccountUtils.exists(newAccount, getApplicationContext())) {
1521             // fail - not a new account, but an existing one; disallow
1522             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1523             updateAuthStatusIconAndText(result);
1524             showAuthStatus();
1525             Log_OC.d(TAG, result.getLogMessage());
1526             return false;
1527
1528         } else {
1529             mAccount = newAccount;
1530
1531             if (isOAuth || isSaml) {
1532                 // with external authorizations, the password is never input in the app
1533                 mAccountMgr.addAccountExplicitly(mAccount, "", null);
1534             } else {
1535                 mAccountMgr.addAccountExplicitly(
1536                         mAccount, mPasswordInput.getText().toString(), null
1537                 );
1538             }
1539
1540             // include account version with the new account
1541             mAccountMgr.setUserData(
1542                 mAccount,
1543                 Constants.KEY_OC_ACCOUNT_VERSION,
1544                 Integer.toString(AccountUtils.ACCOUNT_VERSION)
1545             );
1546
1547             /// add the new account as default in preferences, if there is none already
1548             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1549             if (defaultAccount == null) {
1550                 SharedPreferences.Editor editor = PreferenceManager
1551                         .getDefaultSharedPreferences(this).edit();
1552                 editor.putString("select_oc_account", accountName);
1553                 editor.commit();
1554             }
1555
1556             /// prepare result to return to the Authenticator
1557             //  TODO check again what the Authenticator makes with it; probably has the same
1558             //  effect as addAccountExplicitly, but it's not well done
1559             final Intent intent = new Intent();
1560             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1561             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1562             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1563             if (isOAuth || isSaml) {
1564                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1565             }
1566             /// add user data to the new account; TODO probably can be done in the last parameter
1567             //      addAccountExplicitly, or in KEY_USERDATA
1568             mAccountMgr.setUserData(
1569                     mAccount, Constants.KEY_OC_VERSION, mServerInfo.mVersion.getVersion()
1570             );
1571             mAccountMgr.setUserData(
1572                     mAccount, Constants.KEY_OC_BASE_URL,   mServerInfo.mBaseUrl
1573             );
1574
1575             if (isSaml) {
1576                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1577             } else if (isOAuth) {
1578                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1579             }
1580
1581             setAccountAuthenticatorResult(intent.getExtras());
1582             setResult(RESULT_OK, intent);
1583
1584             return true;
1585         }
1586     }
1587
1588
1589     /**
1590      * Starts and activity to open the 'new account' page in the ownCloud web site
1591      *
1592      * @param view      'Account register' button
1593      */
1594     public void onRegisterClick(View view) {
1595         Intent register = new Intent(
1596                 Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url))
1597         );
1598         setResult(RESULT_CANCELED);
1599         startActivity(register);
1600     }
1601
1602
1603     /**
1604      * Updates the content and visibility state of the icon and text associated
1605      * to the last check on the ownCloud server.
1606      *
1607      */
1608     private void showServerStatus() {
1609         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1610             mServerStatusView.setVisibility(View.INVISIBLE);
1611
1612         } else {
1613             mServerStatusView.setText(mServerStatusText);
1614             mServerStatusView.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1615             mServerStatusView.setVisibility(View.VISIBLE);
1616         }
1617
1618     }
1619
1620
1621     /**
1622      * Updates the content and visibility state of the icon and text associated
1623      * to the interactions with the OAuth authorization server.
1624      */
1625     private void showAuthStatus() {
1626         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1627             mAuthStatusView.setVisibility(View.INVISIBLE);
1628
1629         } else {
1630             mAuthStatusView.setText(mAuthStatusText);
1631             mAuthStatusView.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1632             mAuthStatusView.setVisibility(View.VISIBLE);
1633         }
1634     }
1635
1636
1637     private void showRefreshButton (boolean show) {
1638         if (show)  {
1639             mRefreshButton.setVisibility(View.VISIBLE);
1640         } else {
1641             mRefreshButton.setVisibility(View.GONE);
1642         }
1643     }
1644
1645     /**
1646      * Called when the eye icon in the password field is clicked.
1647      *
1648      * Toggles the visibility of the password in the field.
1649      */
1650     public void onViewPasswordClick() {
1651         int selectionStart = mPasswordInput.getSelectionStart();
1652         int selectionEnd = mPasswordInput.getSelectionEnd();
1653         if (isPasswordVisible()) {
1654             hidePassword();
1655         } else {
1656             showPassword();
1657         }
1658         mPasswordInput.setSelection(selectionStart, selectionEnd);
1659     }
1660
1661
1662     /**
1663      * Called when the checkbox for OAuth authorization is clicked.
1664      *
1665      * Hides or shows the input fields for user & password.
1666      *
1667      * @param view      'View password' 'button'
1668      */
1669     public void onCheckClick(View view) {
1670         CheckBox oAuth2Check = (CheckBox)view;
1671         if (oAuth2Check.isChecked()) {
1672             mAuthTokenType = OAUTH_TOKEN_TYPE;
1673         } else {
1674             mAuthTokenType = BASIC_TOKEN_TYPE;
1675         }
1676         updateAuthenticationPreFragmentVisibility();
1677     }
1678
1679
1680     /**
1681      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1682      *
1683      *  Used to trigger the authentication check when the user presses 'enter' after writing the
1684      *  password, or to throw the server test when the only field on screen is the URL input field.
1685      */
1686     @Override
1687     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1688         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null &&
1689                 inputField.equals(mPasswordInput)) {
1690             if (mOkButton.isEnabled()) {
1691                 mOkButton.performClick();
1692             }
1693
1694         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null &&
1695                 inputField.equals(mHostUrlInput)) {
1696             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1697                     equals(mAuthTokenType)) {
1698                 checkOcServer();
1699             }
1700         }
1701         return false;   // always return false to grant that the software keyboard is hidden anyway
1702     }
1703
1704
1705     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1706
1707         private int fuzz = 75;
1708
1709         /**
1710          * {@inheritDoc}
1711          */
1712         @Override
1713         public boolean onTouch(View view, MotionEvent event) {
1714             Drawable rightDrawable = null;
1715             if (view instanceof TextView) {
1716                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1717                 if (drawables.length > 2) {
1718                     rightDrawable = drawables[2];
1719                 }
1720             }
1721             if (rightDrawable != null) {
1722                 final int x = (int) event.getX();
1723                 final int y = (int) event.getY();
1724                 final Rect bounds = rightDrawable.getBounds();
1725                 if (    x >= (view.getRight() - bounds.width() - fuzz) &&
1726                         x <= (view.getRight() - view.getPaddingRight() + fuzz) &&
1727                         y >= (view.getPaddingTop() - fuzz) &&
1728                         y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1729
1730                     return onDrawableTouch(event);
1731                 }
1732             }
1733             return false;
1734         }
1735
1736         public abstract boolean onDrawableTouch(final MotionEvent event);
1737     }
1738
1739
1740     private void getRemoteUserNameOperation(String sessionCookie) {
1741
1742         Intent getUserNameIntent = new Intent();
1743         getUserNameIntent.setAction(OperationsService.ACTION_GET_USER_NAME);
1744         getUserNameIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mServerInfo.mBaseUrl);
1745         getUserNameIntent.putExtra(OperationsService.EXTRA_COOKIE, sessionCookie);
1746
1747         if (mOperationsServiceBinder != null) {
1748             mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getUserNameIntent);
1749         }
1750     }
1751
1752
1753     @Override
1754     public void onSsoFinished(String sessionCookie) {
1755         if (sessionCookie != null && sessionCookie.length() > 0) {
1756             Log_OC.d(TAG, "Successful SSO - time to save the account");
1757             mAuthToken = sessionCookie;
1758             getRemoteUserNameOperation(sessionCookie);
1759             Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1760             if (fd != null && fd instanceof DialogFragment) {
1761                 Dialog d = ((DialogFragment)fd).getDialog();
1762                 if (d != null && d.isShowing()) {
1763                     d.dismiss();
1764                 }
1765             }
1766
1767         } else {
1768             // TODO - show fail
1769             Log_OC.d(TAG, "SSO failed");
1770         }
1771
1772     }
1773
1774     @Override
1775     public boolean onTouchEvent(MotionEvent event) {
1776         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1777                 equals(mAuthTokenType) &&
1778                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1779             checkOcServer();
1780         }
1781         return super.onTouchEvent(event);
1782     }
1783
1784
1785     /**
1786      * Show untrusted cert dialog
1787      */
1788     public void showUntrustedCertDialog(
1789             X509Certificate x509Certificate, SslError error, SslErrorHandler handler
1790         ) {
1791         // Show a dialog with the certificate info
1792         SslUntrustedCertDialog dialog;
1793         if (x509Certificate == null) {
1794             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
1795         } else {
1796             dialog = SslUntrustedCertDialog.
1797                     newInstanceForFullSslError(x509Certificate, error, handler);
1798         }
1799         FragmentManager fm = getSupportFragmentManager();
1800         FragmentTransaction ft = fm.beginTransaction();
1801         ft.addToBackStack(null);
1802         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1803     }
1804
1805
1806     /**
1807      * Show untrusted cert dialog
1808      */
1809     private void showUntrustedCertDialog(RemoteOperationResult result) {
1810         // Show a dialog with the certificate info
1811         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.
1812                 newInstanceForFullSslError((CertificateCombinedException)result.getException());
1813         FragmentManager fm = getSupportFragmentManager();
1814         FragmentTransaction ft = fm.beginTransaction();
1815         ft.addToBackStack(null);
1816         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1817
1818     }
1819
1820     /**
1821      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1822      */
1823     public void onSavedCertificate() {
1824         Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1825         if (fd == null) {
1826             // if SAML dialog is not shown,
1827             // the SslDialog was shown due to an SSL error in the server check
1828             checkOcServer();
1829         }
1830     }
1831
1832     /**
1833      * Called from SslValidatorDialog when a new server certificate could not be saved
1834      * when the user requested it.
1835      */
1836     @Override
1837     public void onFailedSavingCertificate() {
1838         dismissDialog(SAML_DIALOG_TAG);
1839         Toast.makeText(this, R.string.ssl_validator_not_saved, Toast.LENGTH_LONG).show();
1840     }
1841
1842     @Override
1843     public void onCancelCertificate() {
1844         dismissDialog(SAML_DIALOG_TAG);
1845     }
1846
1847
1848     private void doOnResumeAndBound() {
1849         //Log_OC.wtf(TAG, "registering to listen for operation callbacks" );
1850         mOperationsServiceBinder.addOperationListener(AuthenticatorActivity.this, mHandler);
1851         if (mWaitingForOpId <= Integer.MAX_VALUE) {
1852             mOperationsServiceBinder.dispatchResultIfFinished((int)mWaitingForOpId, this);
1853         }
1854
1855         if (mPendingAutoCheck) {
1856             checkOcServer();
1857         }
1858     }
1859
1860
1861     private void dismissDialog(String dialogTag){
1862         Fragment frag = getSupportFragmentManager().findFragmentByTag(dialogTag);
1863         if (frag != null && frag instanceof DialogFragment) {
1864             DialogFragment dialog = (DialogFragment) frag;
1865             dialog.dismiss();
1866         }
1867     }
1868
1869
1870     /**
1871      * Implements callback methods for service binding.
1872      */
1873     private class OperationsServiceConnection implements ServiceConnection {
1874
1875         @Override
1876         public void onServiceConnected(ComponentName component, IBinder service) {
1877             if (component.equals(
1878                     new ComponentName(AuthenticatorActivity.this, OperationsService.class)
1879                 )) {
1880                 mOperationsServiceBinder = (OperationsServiceBinder) service;
1881
1882                 doOnResumeAndBound();
1883
1884             }
1885
1886         }
1887
1888         @Override
1889         public void onServiceDisconnected(ComponentName component) {
1890             if (component.equals(
1891                     new ComponentName(AuthenticatorActivity.this, OperationsService.class)
1892                 )) {
1893                 Log_OC.e(TAG, "Operations service crashed");
1894                 mOperationsServiceBinder = null;
1895             }
1896         }
1897
1898     }
1899
1900     /**
1901      * Create and show dialog for request authentication to the user
1902      * @param webView   Web view to emebd into the authentication dialog.
1903      * @param handler   Object responsible for catching and recovering HTTP authentication fails.
1904      */
1905     public void createAuthenticationDialog(WebView webView, HttpAuthHandler handler) {
1906
1907         // Show a dialog with the certificate info
1908         CredentialsDialogFragment dialog =
1909                 CredentialsDialogFragment.newInstanceForCredentials(webView, handler);
1910         FragmentManager fm = getSupportFragmentManager();
1911         FragmentTransaction ft = fm.beginTransaction();
1912         ft.addToBackStack(null);
1913         dialog.setCancelable(false);
1914         dialog.show(ft, CREDENTIALS_DIALOG_TAG);
1915
1916         if (!mIsFirstAuthAttempt) {
1917             Toast.makeText(
1918                     getApplicationContext(),
1919                     getText(R.string.saml_authentication_wrong_pass),
1920                     Toast.LENGTH_LONG
1921             ).show();
1922         } else {
1923             mIsFirstAuthAttempt = false;
1924         }
1925     }
1926
1927     /**
1928      * For retrieving the clicking on authentication cancel button
1929      */
1930     public void doNegativeAuthenticatioDialogClick(){
1931         mIsFirstAuthAttempt = true;
1932     }
1933
1934 }