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 View mCenteredRefreshButton;
 180     private TextView mAuthStatusView;
 181
 182     private int mAuthStatusText = 0, mAuthStatusIcon = 0;
 183
 184     private String mAuthToken = "";
 185     private AuthenticatorAsyncTask mAsyncTask;
 186
 187     private boolean mIsFirstAuthAttempt;
 188
 189     /// Identifier of operation in progress which result shouldn't be lost
 190     private long mWaitingForOpId = Long.MAX_VALUE;
 191
 192     private final String BASIC_TOKEN_TYPE = AccountTypeUtils.getAuthTokenTypePass(
 193             MainApp.getAccountType());
 194     private final String OAUTH_TOKEN_TYPE = AccountTypeUtils.getAuthTokenTypeAccessToken(
 195             MainApp.getAccountType());
 196     private final String SAML_TOKEN_TYPE =
 197             AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 198
 199
 200     /**
 201      * {@inheritDoc}
 202      *
 203      * IMPORTANT ENTRY POINT 1: activity is shown to the user
 204      */
 205     @Override
 206     protected void onCreate(Bundle savedInstanceState) {
 207         //Log_OC.wtf(TAG,  "onCreate init");
 208         super.onCreate(savedInstanceState);
 209
 210         // Workaround, for fixing a problem with Android Library Suppor v7 19
 211         //getWindow().requestFeature(Window.FEATURE_NO_TITLE);
 212         if (getSupportActionBar() != null) {
 213             getSupportActionBar().hide();
 214
 215             getSupportActionBar().setDisplayHomeAsUpEnabled(false);
 216             getSupportActionBar().setDisplayShowHomeEnabled(false);
 217             getSupportActionBar().setDisplayShowTitleEnabled(false);
 218         }
 219
 220         mIsFirstAuthAttempt = true;
 221
 222         // bind to Operations Service
 223         mOperationsServiceConnection = new OperationsServiceConnection();
 224         if (!bindService(new Intent(this, OperationsService.class),
 225                 mOperationsServiceConnection,
 226                 Context.BIND_AUTO_CREATE)) {
 227             Toast.makeText(this,
 228                     R.string.error_cant_bind_to_operations_service,
 229                     Toast.LENGTH_LONG)
 230                         .show();
 231             finish();
 232         }
 233
 234         /// init activity state
 235         mAccountMgr = AccountManager.get(this);
 236         mNewCapturedUriFromOAuth2Redirection = null;
 237
 238         /// get input values
 239         mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE);
 240         mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 241         if (savedInstanceState == null) {
 242             initAuthTokenType();
 243         } else {
 244             mAuthTokenType = savedInstanceState.getString(KEY_AUTH_TOKEN_TYPE);
 245             mWaitingForOpId = savedInstanceState.getLong(KEY_WAITING_FOR_OP_ID);
 246             mIsFirstAuthAttempt = savedInstanceState.getBoolean(KEY_AUTH_IS_FIRST_ATTEMPT_TAG);
 247         }
 248
 249         /// load user interface
 250         setContentView(R.layout.account_setup);
 251
 252         /// initialize general UI elements
 253         initOverallUi();
 254
 255         mOkButton = findViewById(R.id.buttonOK);
 256         mOkButton.setOnClickListener(new View.OnClickListener() {
 257
 258             @Override
 259             public void onClick(View v) {
 260                 onOkClick();
 261             }
 262         });
 263
 264         mCenteredRefreshButton = findViewById(R.id.centeredRefreshButton);
 265         mCenteredRefreshButton.setOnClickListener(new View.OnClickListener() {
 266
 267             @Override
 268             public void onClick(View v) {
 269                 checkOcServer();
 270             }
 271         });
 272
 273         mOkButton = findViewById(R.id.buttonOK);
 274
 275         /// initialize block to be moved to single Fragment to check server and get info about it
 276         initServerPreFragment(savedInstanceState);
 277
 278         /// initialize block to be moved to single Fragment to retrieve and validate credentials
 279         initAuthorizationPreFragment(savedInstanceState);
 280
 281         //Log_OC.wtf(TAG,  "onCreate end");
 282     }
 283
 284     private void initAuthTokenType() {
 285         mAuthTokenType =
 286                 getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 287         if (mAuthTokenType == null) {
 288             if (mAccount != null) {
 289                 boolean oAuthRequired =
 290                     (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2) != null);
 291                 boolean samlWebSsoRequired = (
 292                     mAccountMgr.getUserData(
 293                         mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO
 294                     ) != null
 295                 );
 296                 mAuthTokenType = chooseAuthTokenType(oAuthRequired, samlWebSsoRequired);
 297
 298             } else {
 299                 boolean oAuthSupported = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
 300                 boolean samlWebSsoSupported =
 301                         AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));
 302                 mAuthTokenType = chooseAuthTokenType(oAuthSupported, samlWebSsoSupported);
 303             }
 304         }
 305     }
 306
 307     private String chooseAuthTokenType(boolean oauth, boolean saml) {
 308         if (saml) {
 309             return SAML_TOKEN_TYPE;
 310         } else if (oauth) {
 311              return OAUTH_TOKEN_TYPE;
 312         } else {
 313             return BASIC_TOKEN_TYPE;
 314         }
 315     }
 316
 317
 318     /**
 319      * Configures elements in the user interface under direct control of the Activity.
 320      */
 321     private void initOverallUi() {
 322
 323         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 324         boolean isWelcomeLinkVisible = getResources().getBoolean(R.bool.show_welcome_link);
 325
 326         String instructionsMessageText = null;
 327         if (mAction == ACTION_UPDATE_EXPIRED_TOKEN) {
 328             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType())
 329                     .equals(mAuthTokenType)) {
 330                 instructionsMessageText = getString(R.string.auth_expired_oauth_token_toast);
 331
 332             } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType())
 333                     .equals(mAuthTokenType)) {
 334                 instructionsMessageText = getString(R.string.auth_expired_saml_sso_token_toast);
 335
 336             } else {
 337                 instructionsMessageText = getString(R.string.auth_expired_basic_auth_toast);
 338             }
 339         }
 340
 341         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 342         Button welcomeLink = (Button) findViewById(R.id.welcome_link);
 343         welcomeLink.setVisibility(isWelcomeLinkVisible ? View.VISIBLE : View.GONE);
 344         welcomeLink.setText(
 345                 String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 346
 347         TextView instructionsView = (TextView) findViewById(R.id.instructions_message);
 348         if (instructionsMessageText != null) {
 349             instructionsView.setVisibility(View.VISIBLE);
 350             instructionsView.setText(instructionsMessageText);
 351         } else {
 352             instructionsView.setVisibility(View.GONE);
 353         }
 354     }
 355
 356
 357     /**
 358      *
 359      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 360      */
 361     private void initServerPreFragment(Bundle savedInstanceState) {
 362
 363         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 364         boolean isUrlInputAllowed = getResources().getBoolean(R.bool.show_server_url_input);
 365         if (savedInstanceState == null) {
 366             if (mAccount != null) {
 367                 mServerInfo.mBaseUrl = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_BASE_URL);
 368                 // TODO do next in a setter for mBaseUrl
 369                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");
 370                 mServerInfo.mVersion = AccountUtils.getServerVersion(mAccount);
 371             } else {
 372                 mServerInfo.mBaseUrl = getString(R.string.server_url).trim();
 373                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");
 374             }
 375         } else {
 376             mServerStatusText = savedInstanceState.getInt(KEY_SERVER_STATUS_TEXT);
 377             mServerStatusIcon = savedInstanceState.getInt(KEY_SERVER_STATUS_ICON);
 378
 379             mServerIsValid = savedInstanceState.getBoolean(KEY_SERVER_VALID);
 380             mServerIsChecked = savedInstanceState.getBoolean(KEY_SERVER_CHECKED);
 381
 382             // TODO parcelable
 383             mServerInfo.mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 384             mServerInfo.mBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 385             String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 386             if (ocVersion != null) {
 387                 mServerInfo.mVersion = new OwnCloudVersion(ocVersion);
 388             }
 389             mServerInfo.mAuthMethod = AuthenticationMethod.valueOf(
 390                     savedInstanceState.getString(KEY_SERVER_AUTH_METHOD));
 391
 392         }
 393
 394         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 395         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 396         // Convert IDN to Unicode
 397         mHostUrlInput.setText(DisplayUtils.convertIdn(mServerInfo.mBaseUrl, false));
 398         if (mAction != ACTION_CREATE) {
 399             /// lock things that should not change
 400             mHostUrlInput.setEnabled(false);
 401             mHostUrlInput.setFocusable(false);
 402         }
 403         if (isUrlInputAllowed) {
 404             mRefreshButton = findViewById(R.id.embeddedRefreshButton);
 405         } else {
 406             findViewById(R.id.hostUrlFrame).setVisibility(View.GONE);
 407             mRefreshButton = findViewById(R.id.centeredRefreshButton);
 408         }
 409         showRefreshButton(mServerIsChecked && !mServerIsValid &&
 410                 mWaitingForOpId > Integer.MAX_VALUE);
 411         mServerStatusView = (TextView) findViewById(R.id.server_status_text);
 412         showServerStatus();
 413
 414         /// step 3 - bind some listeners and options
 415         mHostUrlInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 416         mHostUrlInput.setOnEditorActionListener(this);
 417
 418         /// step 4 - create listeners that will be bound at onResume
 419         mHostUrlInputWatcher = new TextWatcher() {
 420
 421             @Override
 422             public void afterTextChanged(Editable s) {
 423                 if (mOkButton.isEnabled() &&
 424                         !mServerInfo.mBaseUrl.equals(
 425                                 normalizeUrl(s.toString(), mServerInfo.mIsSslConn))) {
 426                     mOkButton.setEnabled(false);
 427                 }
 428             }
 429
 430             @Override
 431             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 432             }
 433
 434             @Override
 435             public void onTextChanged(CharSequence s, int start, int before, int count) {
 436                 if (mAuthStatusIcon != 0) {
 437                     Log_OC.d(TAG, "onTextChanged: hiding authentication status");
 438                     mAuthStatusIcon = 0;
 439                     mAuthStatusText = 0;
 440                     showAuthStatus();
 441                 }
 442             }
 443         };
 444
 445
 446         // TODO find out if this is really necessary, or if it can done in a different way
 447         findViewById(R.id.scroll).setOnTouchListener(new OnTouchListener() {
 448             @Override
 449             public boolean onTouch(View view, MotionEvent event) {
 450                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 451                     if (
 452                             AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(
 453                                     MainApp.getAccountType()
 454                             ).equals(mAuthTokenType) &&
 455                                     mHostUrlInput.hasFocus()
 456                             ) {
 457                         checkOcServer();
 458                     }
 459                 }
 460                 return false;
 461             }
 462         });
 463
 464
 465         /// step 4 - mark automatic check to be started when OperationsService is ready
 466         mPendingAutoCheck = (savedInstanceState == null &&
 467                 (mAction != ACTION_CREATE || !isUrlInputAllowed));
 468     }
 469
 470
 471     /**
 472      *
 473      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 474      */
 475     private void initAuthorizationPreFragment(Bundle savedInstanceState) {
 476
 477         /// step 0 - get UI elements in layout
 478         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 479         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 480         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 481         mUsernameInput = (EditText) findViewById(R.id.account_username);
 482         mPasswordInput = (EditText) findViewById(R.id.account_password);
 483         mAuthStatusView = (TextView) findViewById(R.id.auth_status_text);
 484
 485         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 486         String presetUserName = null;
 487         boolean isPasswordExposed = false;
 488         if (savedInstanceState == null) {
 489             if (mAccount != null) {
 490                 presetUserName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 491             }
 492
 493         } else {
 494             isPasswordExposed = savedInstanceState.getBoolean(KEY_PASSWORD_EXPOSED, false);
 495             mAuthStatusText = savedInstanceState.getInt(KEY_AUTH_STATUS_TEXT);
 496             mAuthStatusIcon = savedInstanceState.getInt(KEY_AUTH_STATUS_ICON);
 497             mAuthToken = savedInstanceState.getString(KEY_AUTH_TOKEN);
 498         }
 499
 500         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 501         mOAuth2Check.setChecked(
 502                 AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType())
 503                     .equals(mAuthTokenType));
 504         if (presetUserName != null) {
 505             mUsernameInput.setText(presetUserName);
 506         }
 507         if (mAction != ACTION_CREATE) {
 508             mUsernameInput.setEnabled(false);
 509             mUsernameInput.setFocusable(false);
 510         }
 511         mPasswordInput.setText(""); // clean password to avoid social hacking
 512         if (isPasswordExposed) {
 513             showPassword();
 514         }
 515         updateAuthenticationPreFragmentVisibility();
 516         showAuthStatus();
 517         mOkButton.setEnabled(mServerIsValid);
 518
 519
 520         /// step 3 - bind listeners
 521         // bindings for password input field
 522         mPasswordInput.setOnFocusChangeListener(this);
 523         mPasswordInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
 524         mPasswordInput.setOnEditorActionListener(this);
 525         mPasswordInput.setOnTouchListener(new RightDrawableOnTouchListener() {
 526             @Override
 527             public boolean onDrawableTouch(final MotionEvent event) {
 528                 if (event.getAction() == MotionEvent.ACTION_UP) {
 529                     AuthenticatorActivity.this.onViewPasswordClick();
 530                 }
 531                 return true;
 532             }
 533         });
 534
 535     }
 536
 537
 538     /**
 539      * Changes the visibility of input elements depending on
 540      * the current authorization method.
 541      */
 542     private void updateAuthenticationPreFragmentVisibility () {
 543         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 544                 equals(mAuthTokenType)) {
 545             // SAML-based web Single Sign On
 546             mOAuth2Check.setVisibility(View.GONE);
 547             mOAuthAuthEndpointText.setVisibility(View.GONE);
 548             mOAuthTokenEndpointText.setVisibility(View.GONE);
 549             mUsernameInput.setVisibility(View.GONE);
 550             mPasswordInput.setVisibility(View.GONE);
 551
 552         } else {
 553             if (mAction == ACTION_CREATE &&
 554                     AUTH_OPTIONAL.equals(getString(R.string.auth_method_oauth2))) {
 555                 mOAuth2Check.setVisibility(View.VISIBLE);
 556             } else {
 557                 mOAuth2Check.setVisibility(View.GONE);
 558             }
 559
 560             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
 561                     equals(mAuthTokenType)) {
 562                 // OAuth 2 authorization
 563
 564                 mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
 565                 mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
 566                 mUsernameInput.setVisibility(View.GONE);
 567                 mPasswordInput.setVisibility(View.GONE);
 568
 569             } else {
 570                 // basic HTTP authorization
 571                 mOAuthAuthEndpointText.setVisibility(View.GONE);
 572                 mOAuthTokenEndpointText.setVisibility(View.GONE);
 573                 mUsernameInput.setVisibility(View.VISIBLE);
 574                 mPasswordInput.setVisibility(View.VISIBLE);
 575             }
 576         }
 577     }
 578
 579
 580
 581     /**
 582      * Saves relevant state before {@link #onPause()}
 583      *
 584      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag,
 585      * intended to defer the processing of the redirection caught in
 586      * {@link #onNewIntent(Intent)} until {@link #onResume()}
 587      *
 588      * See {@link super#onSaveInstanceState(Bundle)}
 589      */
 590     @Override
 591     protected void onSaveInstanceState(Bundle outState) {
 592         //Log_OC.wtf(TAG, "onSaveInstanceState init" );
 593         super.onSaveInstanceState(outState);
 594
 595         /// global state
 596         outState.putString(KEY_AUTH_TOKEN_TYPE, mAuthTokenType);
 597         outState.putLong(KEY_WAITING_FOR_OP_ID, mWaitingForOpId);
 598
 599         /// Server PRE-fragment state
 600         outState.putInt(KEY_SERVER_STATUS_TEXT, mServerStatusText);
 601         outState.putInt(KEY_SERVER_STATUS_ICON, mServerStatusIcon);
 602         outState.putBoolean(KEY_SERVER_CHECKED, mServerIsChecked);
 603         outState.putBoolean(KEY_SERVER_VALID, mServerIsValid);
 604         outState.putBoolean(KEY_IS_SSL_CONN, mServerInfo.mIsSslConn);
 605         outState.putString(KEY_HOST_URL_TEXT, mServerInfo.mBaseUrl);
 606         if (mServerInfo.mVersion != null) {
 607             outState.putString(KEY_OC_VERSION, mServerInfo.mVersion.getVersion());
 608         }
 609         outState.putString(KEY_SERVER_AUTH_METHOD, mServerInfo.mAuthMethod.name());
 610
 611         /// Authentication PRE-fragment state
 612         outState.putBoolean(KEY_PASSWORD_EXPOSED, isPasswordVisible());
 613         outState.putInt(KEY_AUTH_STATUS_ICON, mAuthStatusIcon);
 614         outState.putInt(KEY_AUTH_STATUS_TEXT, mAuthStatusText);
 615         outState.putString(KEY_AUTH_TOKEN, mAuthToken);
 616
 617         /// authentication
 618         outState.putBoolean(KEY_AUTH_IS_FIRST_ATTEMPT_TAG, mIsFirstAuthAttempt);
 619
 620         /// AsyncTask (User and password)
 621         outState.putString(KEY_USERNAME, mUsernameInput.getText().toString());
 622         outState.putString(KEY_PASSWORD, mPasswordInput.getText().toString());
 623
 624         if (mAsyncTask != null) {
 625             mAsyncTask.cancel(true);
 626             outState.putBoolean(KEY_ASYNC_TASK_IN_PROGRESS, true);
 627         } else {
 628             outState.putBoolean(KEY_ASYNC_TASK_IN_PROGRESS, false);
 629         }
 630         mAsyncTask = null;
 631
 632         //Log_OC.wtf(TAG, "onSaveInstanceState end" );
 633     }
 634
 635     @Override
 636     public void onRestoreInstanceState(Bundle savedInstanceState) {
 637         super.onRestoreInstanceState(savedInstanceState);
 638
 639         // AsyncTask
 640         boolean inProgress = savedInstanceState.getBoolean(KEY_ASYNC_TASK_IN_PROGRESS);
 641         if (inProgress){
 642             String username = savedInstanceState.getString(KEY_USERNAME);
 643             String password = savedInstanceState.getString(KEY_PASSWORD);
 644
 645             OwnCloudCredentials credentials = null;
 646             if (BASIC_TOKEN_TYPE.equals(mAuthTokenType)) {
 647                 credentials = OwnCloudCredentialsFactory.newBasicCredentials(username, password);
 648
 649             } else if (OAUTH_TOKEN_TYPE.equals(mAuthTokenType)) {
 650                 credentials = OwnCloudCredentialsFactory.newBearerCredentials(mAuthToken);
 651
 652             }
 653             accessRootFolder(credentials);
 654         }
 655     }
 656
 657     /**
 658      * The redirection triggered by the OAuth authentication server as response to the
 659      * GET AUTHORIZATION request is caught here.
 660      *
 661      * To make this possible, this activity needs to be qualified with android:launchMode =
 662      * "singleTask" in the AndroidManifest.xml file.
 663      */
 664     @Override
 665     protected void onNewIntent (Intent intent) {
 666         Log_OC.d(TAG, "onNewIntent()");
 667         Uri data = intent.getData();
 668         if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) {
 669             mNewCapturedUriFromOAuth2Redirection = data;
 670         }
 671     }
 672
 673
 674     /**
 675      * The redirection triggered by the OAuth authentication server as response to the
 676      * GET AUTHORIZATION, and deferred in {@link #onNewIntent(Intent)}, is processed here.
 677      */
 678     @Override
 679     protected void onResume() {
 680         super.onResume();
 681
 682         // bound here to avoid spurious changes triggered by Android on device rotations
 683         mHostUrlInput.setOnFocusChangeListener(this);
 684         mHostUrlInput.addTextChangedListener(mHostUrlInputWatcher);
 685
 686         if (mNewCapturedUriFromOAuth2Redirection != null) {
 687             getOAuth2AccessTokenFromCapturedRedirection();
 688         }
 689
 690         if (mOperationsServiceBinder != null) {
 691             doOnResumeAndBound();
 692         }
 693
 694     }
 695
 696
 697     @Override
 698     protected void onPause() {
 699         if (mOperationsServiceBinder != null) {
 700             mOperationsServiceBinder.removeOperationListener(this);
 701         }
 702
 703         mHostUrlInput.removeTextChangedListener(mHostUrlInputWatcher);
 704         mHostUrlInput.setOnFocusChangeListener(null);
 705
 706         super.onPause();
 707     }
 708
 709     @Override
 710     protected void onDestroy() {
 711
 712         mHostUrlInputWatcher = null;
 713
 714         if (mOperationsServiceConnection != null) {
 715             unbindService(mOperationsServiceConnection);
 716             mOperationsServiceBinder = null;
 717         }
 718         super.onDestroy();
 719     }
 720
 721
 722     /**
 723      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 724      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 725      */
 726     private void getOAuth2AccessTokenFromCapturedRedirection() {
 727         /// Parse data from OAuth redirection
 728         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 729         mNewCapturedUriFromOAuth2Redirection = null;
 730
 731         /// Showing the dialog with instructions for the user.
 732         IndeterminateProgressDialog dialog =
 733                 IndeterminateProgressDialog.newInstance(R.string.auth_getting_authorization, true);
 734         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 735
 736         /// GET ACCESS TOKEN to the oAuth server
 737         Intent getServerInfoIntent = new Intent();
 738         getServerInfoIntent.setAction(OperationsService.ACTION_OAUTH2_GET_ACCESS_TOKEN);
 739
 740         getServerInfoIntent.putExtra(
 741                 OperationsService.EXTRA_SERVER_URL,
 742                 mOAuthTokenEndpointText.getText().toString().trim());
 743
 744         getServerInfoIntent.putExtra(
 745                 OperationsService.EXTRA_OAUTH2_QUERY_PARAMETERS,
 746                 queryParameters);
 747
 748         if (mOperationsServiceBinder != null) {
 749             //Log_OC.wtf(TAG, "getting access token..." );
 750             mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getServerInfoIntent);
 751         }
 752     }
 753
 754
 755
 756     /**
 757      * Handles the change of focus on the text inputs for the server URL and the password
 758      */
 759     public void onFocusChange(View view, boolean hasFocus) {
 760         if (view.getId() == R.id.hostUrlInput) {
 761             if (!hasFocus) {
 762                 onUrlInputFocusLost();
 763             }
 764             else {
 765                 showRefreshButton(false);
 766             }
 767
 768         } else if (view.getId() == R.id.account_password) {
 769             onPasswordFocusChanged(hasFocus);
 770         }
 771     }
 772
 773
 774     /**
 775      * Handles changes in focus on the text input for the server URL.
 776      *
 777      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 778      * other field. The operation to check the existence of the server in the entered URL is
 779      * started.
 780      *
 781      * When hasFocus:    user 'comes back' to write again the server URL.
 782      */
 783     private void onUrlInputFocusLost() {
 784         if (!mServerInfo.mBaseUrl.equals(
 785                 normalizeUrl(mHostUrlInput.getText().toString(), mServerInfo.mIsSslConn))) {
 786             // check server again only if the user changed something in the field
 787             checkOcServer();
 788         } else {
 789             mOkButton.setEnabled(mServerIsValid);
 790             showRefreshButton(!mServerIsValid);
 791         }
 792     }
 793
 794
 795     private void checkOcServer() {
 796         String uri = mHostUrlInput.getText().toString().trim();
 797         mServerIsValid = false;
 798         mServerIsChecked = false;
 799         mOkButton.setEnabled(false);
 800         mServerInfo = new GetServerInfoOperation.ServerInfo();
 801         showRefreshButton(false);
 802
 803         if (uri.length() != 0) {
 804             uri = stripIndexPhpOrAppsFiles(uri, mHostUrlInput);
 805
 806             // Handle internationalized domain names
 807             uri = DisplayUtils.convertIdn(uri, true);
 808
 809             mServerStatusText = R.string.auth_testing_connection;
 810             mServerStatusIcon = R.drawable.progress_small;
 811             showServerStatus();
 812
 813             Intent getServerInfoIntent = new Intent();
 814             getServerInfoIntent.setAction(OperationsService.ACTION_GET_SERVER_INFO);
 815             getServerInfoIntent.putExtra(
 816                 OperationsService.EXTRA_SERVER_URL,
 817                 normalizeUrlSuffix(uri)
 818             );
 819             if (mOperationsServiceBinder != null) {
 820                 mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getServerInfoIntent);
 821             } else {
 822               Log_OC.wtf(TAG, "Server check tried with OperationService unbound!" );
 823             }
 824
 825         } else {
 826             mServerStatusText = 0;
 827             mServerStatusIcon = 0;
 828             showServerStatus();
 829         }
 830     }
 831
 832
 833     /**
 834      * Handles changes in focus on the text input for the password (basic authorization).
 835      *
 836      * When (hasFocus), the button to toggle password visibility is shown.
 837      *
 838      * When (!hasFocus), the button is made invisible and the password is hidden.
 839      *
 840      * @param hasFocus          'True' if focus is received, 'false' if is lost
 841      */
 842     private void onPasswordFocusChanged(boolean hasFocus) {
 843         if (hasFocus) {
 844             showViewPasswordButton();
 845         } else {
 846             hidePassword();
 847             hidePasswordButton();
 848         }
 849     }
 850
 851
 852     private void showViewPasswordButton() {
 853         int drawable = R.drawable.ic_view;
 854         if (isPasswordVisible()) {
 855             drawable = R.drawable.ic_hide;
 856         }
 857         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 858     }
 859
 860     private boolean isPasswordVisible() {
 861         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) ==
 862                 InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 863     }
 864
 865     private void hidePasswordButton() {
 866         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 867     }
 868
 869     private void showPassword() {
 870         mPasswordInput.setInputType(
 871                 InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD
 872         );
 873         showViewPasswordButton();
 874     }
 875
 876     private void hidePassword() {
 877         mPasswordInput.setInputType(
 878                 InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD
 879         );
 880         showViewPasswordButton();
 881     }
 882
 883     /**
 884      * Checks the credentials of the user in the root of the ownCloud server
 885      * before creating a new local account.
 886      *
 887      * For basic authorization, a check of existence of the root folder is
 888      * performed.
 889      *
 890      * For OAuth, starts the flow to get an access token; the credentials test
 891      * is postponed until it is available.
 892      *
 893      * IMPORTANT ENTRY POINT 4
 894      */
 895     public void onOkClick() {
 896         // this check should be unnecessary
 897         if (mServerInfo.mVersion == null ||
 898                 !mServerInfo.mVersion.isVersionValid()  ||
 899                 mServerInfo.mBaseUrl == null ||
 900                 mServerInfo.mBaseUrl.length() == 0) {
 901             mServerStatusIcon = R.drawable.common_error;
 902             mServerStatusText = R.string.auth_wtf_reenter_URL;
 903             showServerStatus();
 904             mOkButton.setEnabled(false);
 905             return;
 906         }
 907
 908         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
 909                 equals(mAuthTokenType)) {
 910
 911             startOauthorization();
 912         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 913                 equals(mAuthTokenType)) {
 914
 915             startSamlBasedFederatedSingleSignOnAuthorization();
 916         } else {
 917             checkBasicAuthorization();
 918         }
 919     }
 920
 921
 922     /**
 923      * Tests the credentials entered by the user performing a check of existence on
 924      * the root folder of the ownCloud server.
 925      */
 926     private void checkBasicAuthorization() {
 927         /// get basic credentials entered by user
 928         String username = mUsernameInput.getText().toString();
 929         String password = mPasswordInput.getText().toString();
 930
 931         /// be gentle with the user
 932         IndeterminateProgressDialog dialog =
 933                 IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
 934         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 935
 936         /// validate credentials accessing the root folder
 937         OwnCloudCredentials credentials = OwnCloudCredentialsFactory.newBasicCredentials(username,
 938                 password);
 939         accessRootFolder(credentials);
 940     }
 941
 942     private void accessRootFolder(OwnCloudCredentials credentials) {
 943         mAsyncTask = new AuthenticatorAsyncTask(this);
 944         Object[] params = { mServerInfo.mBaseUrl, credentials };
 945         mAsyncTask.execute(params);
 946     }
 947
 948
 949     /**
 950      * Starts the OAuth 'grant type' flow to get an access token, with
 951      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 952      */
 953     private void startOauthorization() {
 954         // be gentle with the user
 955         mAuthStatusIcon = R.drawable.progress_small;
 956         mAuthStatusText = R.string.oauth_login_connection;
 957         showAuthStatus();
 958
 959         // GET AUTHORIZATION request
 960         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 961         Uri.Builder uriBuilder = uri.buildUpon();
 962         uriBuilder.appendQueryParameter(
 963                 OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type)
 964         );
 965         uriBuilder.appendQueryParameter(
 966                 OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri)
 967         );
 968         uriBuilder.appendQueryParameter(
 969                 OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id)
 970         );
 971         uriBuilder.appendQueryParameter(
 972                 OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope)
 973         );
 974         uri = uriBuilder.build();
 975         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 976         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 977         startActivity(i);
 978     }
 979
 980
 981     /**
 982      * Starts the Web Single Sign On flow to get access to the root folder
 983      * in the server.
 984      */
 985     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 986         /// be gentle with the user
 987         mAuthStatusIcon = R.drawable.progress_small;
 988         mAuthStatusText = R.string.auth_connecting_auth_server;
 989         showAuthStatus();
 990
 991         /// Show SAML-based SSO web dialog
 992         String targetUrl = mServerInfo.mBaseUrl
 993                 + AccountUtils.getWebdavPath(mServerInfo.mVersion, mAuthTokenType);
 994         SamlWebViewDialog dialog = SamlWebViewDialog.newInstance(targetUrl, targetUrl);
 995         dialog.show(getSupportFragmentManager(), SAML_DIALOG_TAG);
 996     }
 997
 998     /**
 999      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
1000      *
1001      * Dispatches the operation flow to the right method.
1002      */
1003     @Override
1004     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1005
1006         if (operation instanceof GetServerInfoOperation) {
1007             if (operation.hashCode() == mWaitingForOpId) {
1008                 onGetServerInfoFinish(result);
1009             }   // else nothing ; only the last check operation is considered;
1010                 // multiple can be started if the user amends a URL quickly
1011
1012         } else if (operation instanceof OAuth2GetAccessToken) {
1013             onGetOAuthAccessTokenFinish(result);
1014
1015         } else if (operation instanceof GetRemoteUserNameOperation) {
1016             onGetUserNameFinish(result);
1017         }
1018
1019     }
1020
1021     private void onGetUserNameFinish(RemoteOperationResult result) {
1022         mWaitingForOpId = Long.MAX_VALUE;
1023         if (result.isSuccess()) {
1024             boolean success = false;
1025             String username = (String) result.getData().get(0);
1026
1027             if ( mAction == ACTION_CREATE) {
1028                 mUsernameInput.setText(username);
1029                 success = createAccount(result);
1030             } else {
1031
1032                 if (!mUsernameInput.getText().toString().equals(username)) {
1033                     // fail - not a new account, but an existing one; disallow
1034                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
1035                     mAuthToken = "";
1036                     updateAuthStatusIconAndText(result);
1037                     showAuthStatus();
1038                     Log_OC.d(TAG, result.getLogMessage());
1039                 } else {
1040                     try {
1041                         updateAccountAuthentication();
1042                         success = true;
1043
1044                     } catch (AccountNotFoundException e) {
1045                         Log_OC.e(TAG, "Account " + mAccount + " was removed!", e);
1046                         Toast.makeText(this, R.string.auth_account_does_not_exist,
1047                                 Toast.LENGTH_SHORT).show();
1048                         finish();
1049                     }
1050                 }
1051             }
1052
1053             if (success)
1054                 finish();
1055         } else {
1056             updateStatusIconFailUserName();
1057             showAuthStatus();
1058             Log_OC.e(TAG, "Access to user name failed: " + result.getLogMessage());
1059         }
1060
1061     }
1062
1063     /**
1064      * Processes the result of the server check performed when the user finishes the enter of the
1065      * server URL.
1066      *
1067      * @param result        Result of the check.
1068      */
1069     private void onGetServerInfoFinish(RemoteOperationResult result) {
1070         /// update activity state
1071         mServerIsChecked = true;
1072         mWaitingForOpId = Long.MAX_VALUE;
1073
1074         // update server status, but don't show it yet
1075         updateServerStatusIconAndText(result);
1076
1077         if (result.isSuccess()) {
1078             /// SUCCESS means:
1079             //      1. connection succeeded, and we know if it's SSL or not
1080             //      2. server is installed
1081             //      3. we got the server version
1082             //      4. we got the authentication method required by the server
1083             mServerInfo = (GetServerInfoOperation.ServerInfo) (result.getData().get(0));
1084
1085             if (!authSupported(mServerInfo.mAuthMethod)) {
1086
1087                 updateServerStatusIconNoRegularAuth();  // overrides updateServerStatusIconAndText()
1088                 mServerIsValid = false;
1089
1090             } else {
1091                 mServerIsValid = true;
1092             }
1093
1094         } else {
1095             mServerIsValid = false;
1096         }
1097
1098         // refresh UI
1099         showRefreshButton(!mServerIsValid);
1100         showServerStatus();
1101         mOkButton.setEnabled(mServerIsValid);
1102
1103         /// very special case (TODO: move to a common place for all the remote operations)
1104         if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1105             showUntrustedCertDialog(result);
1106         }
1107     }
1108
1109
1110     private boolean authSupported(AuthenticationMethod authMethod) {
1111         return (( BASIC_TOKEN_TYPE.equals(mAuthTokenType) &&
1112                     AuthenticationMethod.BASIC_HTTP_AUTH.equals(authMethod) ) ||
1113                 ( OAUTH_TOKEN_TYPE.equals(mAuthTokenType) &&
1114                     AuthenticationMethod.BEARER_TOKEN.equals(authMethod)) ||
1115                 ( SAML_TOKEN_TYPE.equals(mAuthTokenType)  &&
1116                     AuthenticationMethod.SAML_WEB_SSO.equals(authMethod))
1117         );
1118     }
1119
1120
1121     // TODO remove, if possible
1122     private String normalizeUrl(String url, boolean sslWhenUnprefixed) {
1123         if (url != null && url.length() > 0) {
1124             url = url.trim();
1125             if (!url.toLowerCase().startsWith("http://") &&
1126                     !url.toLowerCase().startsWith("https://")) {
1127                 if (sslWhenUnprefixed) {
1128                     url = "https://" + url;
1129                 } else {
1130                     url = "http://" + url;
1131                 }
1132             }
1133
1134             url = normalizeUrlSuffix(url);
1135         }
1136         return (url != null ? url : "");
1137     }
1138
1139
1140     private String normalizeUrlSuffix(String url) {
1141         if (url.endsWith("/")) {
1142             url = url.substring(0, url.length() - 1);
1143         }
1144         url = trimUrlWebdav(url);
1145         return url;
1146     }
1147
1148     private String stripIndexPhpOrAppsFiles(String url, EditText mHostUrlInput) {
1149         if (url.endsWith("/index.php")) {
1150             url = url.substring(0, url.lastIndexOf("/index.php"));
1151             mHostUrlInput.setText(url);
1152         } else if (url.contains("/index.php/apps/")) {
1153             url = url.substring(0, url.lastIndexOf("/index.php/apps/"));
1154             mHostUrlInput.setText(url);
1155         }
1156
1157         return url;
1158     }
1159
1160     // TODO remove, if possible
1161     private String trimUrlWebdav(String url){
1162         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0_AND_LATER)){
1163             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0_AND_LATER.length());
1164         }
1165         return url;
1166     }
1167
1168
1169     /**
1170      * Chooses the right icon and text to show to the user for the received operation result.
1171      *
1172      * @param result    Result of a remote operation performed in this activity
1173      */
1174     private void updateServerStatusIconAndText(RemoteOperationResult result) {
1175         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1176
1177         switch (result.getCode()) {
1178         case OK_SSL:
1179             mServerStatusIcon = R.drawable.ic_lock;
1180             mServerStatusText = R.string.auth_secure_connection;
1181             break;
1182
1183         case OK_NO_SSL:
1184         case OK:
1185             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1186                 mServerStatusText = R.string.auth_connection_established;
1187                 mServerStatusIcon = R.drawable.ic_ok;
1188             } else {
1189                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1190                 mServerStatusIcon = R.drawable.ic_lock_open;
1191             }
1192             break;
1193
1194         case NO_NETWORK_CONNECTION:
1195             mServerStatusIcon = R.drawable.no_network;
1196             mServerStatusText = R.string.auth_no_net_conn_title;
1197             break;
1198
1199         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1200             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1201             break;
1202         case BAD_OC_VERSION:
1203             mServerStatusText = R.string.auth_bad_oc_version_title;
1204             break;
1205         case WRONG_CONNECTION:
1206             mServerStatusText = R.string.auth_wrong_connection_title;
1207             break;
1208         case TIMEOUT:
1209             mServerStatusText = R.string.auth_timeout_title;
1210             break;
1211         case INCORRECT_ADDRESS:
1212             mServerStatusText = R.string.auth_incorrect_address_title;
1213             break;
1214         case SSL_ERROR:
1215             mServerStatusText = R.string.auth_ssl_general_error_title;
1216             break;
1217         case UNAUTHORIZED:
1218             mServerStatusText = R.string.auth_unauthorized;
1219             break;
1220         case HOST_NOT_AVAILABLE:
1221             mServerStatusText = R.string.auth_unknown_host_title;
1222             break;
1223         case INSTANCE_NOT_CONFIGURED:
1224             mServerStatusText = R.string.auth_not_configured_title;
1225             break;
1226         case FILE_NOT_FOUND:
1227             mServerStatusText = R.string.auth_incorrect_path_title;
1228             break;
1229         case OAUTH2_ERROR:
1230             mServerStatusText = R.string.auth_oauth_error;
1231             break;
1232         case OAUTH2_ERROR_ACCESS_DENIED:
1233             mServerStatusText = R.string.auth_oauth_error_access_denied;
1234             break;
1235         case UNHANDLED_HTTP_CODE:
1236         case UNKNOWN_ERROR:
1237             mServerStatusText = R.string.auth_unknown_error_title;
1238             break;
1239         case OK_REDIRECT_TO_NON_SECURE_CONNECTION:
1240             mServerStatusIcon = R.drawable.ic_lock_open;
1241             mServerStatusText = R.string.auth_redirect_non_secure_connection_title;
1242             break;
1243         default:
1244             mServerStatusText = 0;
1245             mServerStatusIcon = 0;
1246         }
1247     }
1248
1249
1250     /**
1251      * Chooses the right icon and text to show to the user for the received operation result.
1252      *
1253      * @param result    Result of a remote operation performed in this activity
1254      */
1255     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1256         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1257
1258         switch (result.getCode()) {
1259         case OK_SSL:
1260             mAuthStatusIcon = R.drawable.ic_lock;
1261             mAuthStatusText = R.string.auth_secure_connection;
1262             break;
1263
1264         case OK_NO_SSL:
1265         case OK:
1266             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1267                 mAuthStatusText = R.string.auth_connection_established;
1268                 mAuthStatusIcon = R.drawable.ic_ok;
1269             } else {
1270                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1271                 mAuthStatusIcon = R.drawable.ic_lock_open;
1272             }
1273             break;
1274
1275         case NO_NETWORK_CONNECTION:
1276             mAuthStatusIcon = R.drawable.no_network;
1277             mAuthStatusText = R.string.auth_no_net_conn_title;
1278             break;
1279
1280         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1281             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1282             break;
1283         case BAD_OC_VERSION:
1284             mAuthStatusText = R.string.auth_bad_oc_version_title;
1285             break;
1286         case WRONG_CONNECTION:
1287             mAuthStatusText = R.string.auth_wrong_connection_title;
1288             break;
1289         case TIMEOUT:
1290             mAuthStatusText = R.string.auth_timeout_title;
1291             break;
1292         case INCORRECT_ADDRESS:
1293             mAuthStatusText = R.string.auth_incorrect_address_title;
1294             break;
1295         case SSL_ERROR:
1296             mAuthStatusText = R.string.auth_ssl_general_error_title;
1297             break;
1298         case UNAUTHORIZED:
1299             mAuthStatusText = R.string.auth_unauthorized;
1300             break;
1301         case HOST_NOT_AVAILABLE:
1302             mAuthStatusText = R.string.auth_unknown_host_title;
1303             break;
1304         case INSTANCE_NOT_CONFIGURED:
1305             mAuthStatusText = R.string.auth_not_configured_title;
1306             break;
1307         case FILE_NOT_FOUND:
1308             mAuthStatusText = R.string.auth_incorrect_path_title;
1309             break;
1310         case OAUTH2_ERROR:
1311             mAuthStatusText = R.string.auth_oauth_error;
1312             break;
1313         case OAUTH2_ERROR_ACCESS_DENIED:
1314             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1315             break;
1316         case ACCOUNT_NOT_NEW:
1317             mAuthStatusText = R.string.auth_account_not_new;
1318             break;
1319         case ACCOUNT_NOT_THE_SAME:
1320             mAuthStatusText = R.string.auth_account_not_the_same;
1321             break;
1322         case UNHANDLED_HTTP_CODE:
1323         case UNKNOWN_ERROR:
1324             mAuthStatusText = R.string.auth_unknown_error_title;
1325             break;
1326         default:
1327             mAuthStatusText = 0;
1328             mAuthStatusIcon = 0;
1329         }
1330     }
1331
1332
1333     private void updateStatusIconFailUserName(){
1334         mAuthStatusIcon = R.drawable.common_error;
1335         mAuthStatusText = R.string.auth_fail_get_user_name;
1336     }
1337
1338     private void updateServerStatusIconNoRegularAuth(){
1339         mServerStatusIcon = R.drawable.common_error;
1340         mServerStatusText = R.string.auth_can_not_auth_against_server;
1341     }
1342
1343     /**
1344      * Processes the result of the request for and access token send
1345      * to an OAuth authorization server.
1346      *
1347      * @param result        Result of the operation.
1348      */
1349     private void onGetOAuthAccessTokenFinish(RemoteOperationResult result) {
1350         mWaitingForOpId = Long.MAX_VALUE;
1351         dismissDialog(WAIT_DIALOG_TAG);
1352
1353         if (result.isSuccess()) {
1354             /// be gentle with the user
1355             IndeterminateProgressDialog dialog =
1356                     IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
1357             dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
1358
1359             /// time to test the retrieved access token on the ownCloud server
1360             @SuppressWarnings("unchecked")
1361             Map<String, String> tokens = (Map<String, String>)(result.getData().get(0));
1362             mAuthToken = tokens.get(OAuth2Constants.KEY_ACCESS_TOKEN);
1363             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1364
1365             /// validate token accessing to root folder / getting session
1366             OwnCloudCredentials credentials = OwnCloudCredentialsFactory.newBearerCredentials(
1367                     mAuthToken);
1368             accessRootFolder(credentials);
1369
1370         } else {
1371             updateAuthStatusIconAndText(result);
1372             showAuthStatus();
1373             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1374         }
1375     }
1376
1377
1378     /**
1379      * Processes the result of the access check performed to try the user credentials.
1380      *
1381      * Creates a new account through the AccountManager.
1382      *
1383      * @param result        Result of the operation.
1384      */
1385     @Override
1386     public void onAuthenticatorTaskCallback(RemoteOperationResult result) {
1387         mWaitingForOpId = Long.MAX_VALUE;
1388         dismissDialog(WAIT_DIALOG_TAG);
1389
1390         if (result.isSuccess()) {
1391             Log_OC.d(TAG, "Successful access - time to save the account");
1392
1393             boolean success = false;
1394
1395             if (mAction == ACTION_CREATE) {
1396                 success = createAccount(result);
1397
1398             } else {
1399                 try {
1400                     updateAccountAuthentication();
1401                     success = true;
1402
1403                 } catch (AccountNotFoundException e) {
1404                     Log_OC.e(TAG, "Account " + mAccount + " was removed!", e);
1405                     Toast.makeText(this, R.string.auth_account_does_not_exist,
1406                             Toast.LENGTH_SHORT).show();
1407                     finish();
1408                 }
1409             }
1410
1411             if (success) {
1412                 finish();
1413             }
1414
1415         } else if (result.isServerFail() || result.isException()) {
1416             /// server errors or exceptions in authorization take to requiring a new check of
1417             /// the server
1418             mServerIsChecked = true;
1419             mServerIsValid = false;
1420             mServerInfo = new GetServerInfoOperation.ServerInfo();
1421
1422             // update status icon and text
1423             updateServerStatusIconAndText(result);
1424             showServerStatus();
1425             mAuthStatusIcon = 0;
1426             mAuthStatusText = 0;
1427             showAuthStatus();
1428
1429             // update input controls state
1430             showRefreshButton(true);
1431             mOkButton.setEnabled(false);
1432
1433             // very special case (TODO: move to a common place for all the remote operations)
1434             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1435                 showUntrustedCertDialog(result);
1436             }
1437
1438         } else {    // authorization fail due to client side - probably wrong credentials
1439             updateAuthStatusIconAndText(result);
1440             showAuthStatus();
1441             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1442         }
1443     }
1444
1445
1446
1447
1448     /**
1449      * Updates the authentication token.
1450      *
1451      * Sets the proper response so that the AccountAuthenticator that started this activity
1452      * saves a new authorization token for mAccount.
1453      *
1454      * Kills the session kept by OwnCloudClientManager so that a new one will created with
1455      * the new credentials when needed.
1456      */
1457     private void updateAccountAuthentication() throws AccountNotFoundException {
1458
1459         Bundle response = new Bundle();
1460         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1461         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1462
1463         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
1464                 equals(mAuthTokenType)) {
1465             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1466             // the next line is necessary, notifications are calling directly to the
1467             // AuthenticatorActivity to update, without AccountManager intervention
1468             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1469
1470         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1471                 equals(mAuthTokenType)) {
1472
1473             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1474             // the next line is necessary; by now, notifications are calling directly to the
1475             // AuthenticatorActivity to update, without AccountManager intervention
1476             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1477
1478         } else {
1479             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1480             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1481         }
1482         setAccountAuthenticatorResult(response);
1483
1484     }
1485
1486
1487     /**
1488      * Creates a new account through the Account Authenticator that started this activity.
1489      *
1490      * This makes the account permanent.
1491      *
1492      * TODO Decide how to name the OAuth accounts
1493      */
1494     private boolean createAccount(RemoteOperationResult authResult) {
1495         /// create and save new ownCloud account
1496         boolean isOAuth = AccountTypeUtils.
1497                 getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1498         boolean isSaml =  AccountTypeUtils.
1499                 getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1500
1501         String lastPermanentLocation = authResult.getLastPermanentLocation();
1502         if (lastPermanentLocation != null) {
1503             mServerInfo.mBaseUrl = AccountUtils.trimWebdavSuffix(lastPermanentLocation);
1504         }
1505
1506         Uri uri = Uri.parse(mServerInfo.mBaseUrl);
1507         String username = mUsernameInput.getText().toString().trim();
1508         if (isOAuth) {
1509             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1510         }
1511         String accountName = com.owncloud.android.lib.common.accounts.AccountUtils.
1512                 buildAccountName(uri, username);
1513         Account newAccount = new Account(accountName, MainApp.getAccountType());
1514         if (AccountUtils.exists(newAccount, getApplicationContext())) {
1515             // fail - not a new account, but an existing one; disallow
1516             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1517             updateAuthStatusIconAndText(result);
1518             showAuthStatus();
1519             Log_OC.d(TAG, result.getLogMessage());
1520             return false;
1521
1522         } else {
1523             mAccount = newAccount;
1524
1525             if (isOAuth || isSaml) {
1526                 // with external authorizations, the password is never input in the app
1527                 mAccountMgr.addAccountExplicitly(mAccount, "", null);
1528             } else {
1529                 mAccountMgr.addAccountExplicitly(
1530                         mAccount, mPasswordInput.getText().toString(), null
1531                 );
1532             }
1533
1534             // include account version with the new account
1535             mAccountMgr.setUserData(
1536                 mAccount,
1537                 Constants.KEY_OC_ACCOUNT_VERSION,
1538                 Integer.toString(AccountUtils.ACCOUNT_VERSION)
1539             );
1540
1541             /// add the new account as default in preferences, if there is none already
1542             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1543             if (defaultAccount == null) {
1544                 SharedPreferences.Editor editor = PreferenceManager
1545                         .getDefaultSharedPreferences(this).edit();
1546                 editor.putString("select_oc_account", accountName);
1547                 editor.commit();
1548             }
1549
1550             /// prepare result to return to the Authenticator
1551             //  TODO check again what the Authenticator makes with it; probably has the same
1552             //  effect as addAccountExplicitly, but it's not well done
1553             final Intent intent = new Intent();
1554             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1555             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1556             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1557             if (isOAuth || isSaml) {
1558                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1559             }
1560             /// add user data to the new account; TODO probably can be done in the last parameter
1561             //      addAccountExplicitly, or in KEY_USERDATA
1562             mAccountMgr.setUserData(
1563                     mAccount, Constants.KEY_OC_VERSION, mServerInfo.mVersion.getVersion()
1564             );
1565             mAccountMgr.setUserData(
1566                     mAccount, Constants.KEY_OC_BASE_URL,   mServerInfo.mBaseUrl
1567             );
1568
1569             if (isSaml) {
1570                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1571             } else if (isOAuth) {
1572                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1573             }
1574
1575             setAccountAuthenticatorResult(intent.getExtras());
1576             setResult(RESULT_OK, intent);
1577
1578             return true;
1579         }
1580     }
1581
1582
1583     /**
1584      * Starts and activity to open the 'new account' page in the ownCloud web site
1585      *
1586      * @param view      'Account register' button
1587      */
1588     public void onRegisterClick(View view) {
1589         Intent register = new Intent(
1590                 Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url))
1591         );
1592         setResult(RESULT_CANCELED);
1593         startActivity(register);
1594     }
1595
1596
1597     /**
1598      * Updates the content and visibility state of the icon and text associated
1599      * to the last check on the ownCloud server.
1600      *
1601      */
1602     private void showServerStatus() {
1603         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1604             mServerStatusView.setVisibility(View.INVISIBLE);
1605
1606         } else {
1607             mServerStatusView.setText(mServerStatusText);
1608             mServerStatusView.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1609             mServerStatusView.setVisibility(View.VISIBLE);
1610         }
1611
1612     }
1613
1614
1615     /**
1616      * Updates the content and visibility state of the icon and text associated
1617      * to the interactions with the OAuth authorization server.
1618      */
1619     private void showAuthStatus() {
1620         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1621             mAuthStatusView.setVisibility(View.INVISIBLE);
1622
1623         } else {
1624             mAuthStatusView.setText(mAuthStatusText);
1625             mAuthStatusView.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1626             mAuthStatusView.setVisibility(View.VISIBLE);
1627         }
1628     }
1629
1630
1631     private void showRefreshButton (boolean show) {
1632         if (show)  {
1633             mRefreshButton.setVisibility(View.VISIBLE);
1634         } else {
1635             mRefreshButton.setVisibility(View.GONE);
1636         }
1637     }
1638
1639     /**
1640      * Called when the refresh button in the input field for ownCloud host is clicked.
1641      *
1642      * Performs a new check on the URL in the input field.
1643      *
1644      * @param view      Refresh 'button'
1645      */
1646     public void onRefreshClick(View view) {
1647         checkOcServer();
1648     }
1649
1650
1651     /**
1652      * Called when the eye icon in the password field is clicked.
1653      *
1654      * Toggles the visibility of the password in the field.
1655      */
1656     public void onViewPasswordClick() {
1657         int selectionStart = mPasswordInput.getSelectionStart();
1658         int selectionEnd = mPasswordInput.getSelectionEnd();
1659         if (isPasswordVisible()) {
1660             hidePassword();
1661         } else {
1662             showPassword();
1663         }
1664         mPasswordInput.setSelection(selectionStart, selectionEnd);
1665     }
1666
1667
1668     /**
1669      * Called when the checkbox for OAuth authorization is clicked.
1670      *
1671      * Hides or shows the input fields for user & password.
1672      *
1673      * @param view      'View password' 'button'
1674      */
1675     public void onCheckClick(View view) {
1676         CheckBox oAuth2Check = (CheckBox)view;
1677         if (oAuth2Check.isChecked()) {
1678             mAuthTokenType = OAUTH_TOKEN_TYPE;
1679         } else {
1680             mAuthTokenType = BASIC_TOKEN_TYPE;
1681         }
1682         updateAuthenticationPreFragmentVisibility();
1683     }
1684
1685
1686     /**
1687      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1688      *
1689      *  Used to trigger the authentication check when the user presses 'enter' after writing the
1690      *  password, or to throw the server test when the only field on screen is the URL input field.
1691      */
1692     @Override
1693     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1694         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null &&
1695                 inputField.equals(mPasswordInput)) {
1696             if (mOkButton.isEnabled()) {
1697                 mOkButton.performClick();
1698             }
1699
1700         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null &&
1701                 inputField.equals(mHostUrlInput)) {
1702             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1703                     equals(mAuthTokenType)) {
1704                 checkOcServer();
1705             }
1706         }
1707         return false;   // always return false to grant that the software keyboard is hidden anyway
1708     }
1709
1710
1711     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1712
1713         private int fuzz = 75;
1714
1715         /**
1716          * {@inheritDoc}
1717          */
1718         @Override
1719         public boolean onTouch(View view, MotionEvent event) {
1720             Drawable rightDrawable = null;
1721             if (view instanceof TextView) {
1722                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1723                 if (drawables.length > 2) {
1724                     rightDrawable = drawables[2];
1725                 }
1726             }
1727             if (rightDrawable != null) {
1728                 final int x = (int) event.getX();
1729                 final int y = (int) event.getY();
1730                 final Rect bounds = rightDrawable.getBounds();
1731                 if (    x >= (view.getRight() - bounds.width() - fuzz) &&
1732                         x <= (view.getRight() - view.getPaddingRight() + fuzz) &&
1733                         y >= (view.getPaddingTop() - fuzz) &&
1734                         y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1735
1736                     return onDrawableTouch(event);
1737                 }
1738             }
1739             return false;
1740         }
1741
1742         public abstract boolean onDrawableTouch(final MotionEvent event);
1743     }
1744
1745
1746     private void getRemoteUserNameOperation(String sessionCookie) {
1747
1748         Intent getUserNameIntent = new Intent();
1749         getUserNameIntent.setAction(OperationsService.ACTION_GET_USER_NAME);
1750         getUserNameIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mServerInfo.mBaseUrl);
1751         getUserNameIntent.putExtra(OperationsService.EXTRA_COOKIE, sessionCookie);
1752
1753         if (mOperationsServiceBinder != null) {
1754             mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getUserNameIntent);
1755         }
1756     }
1757
1758
1759     @Override
1760     public void onSsoFinished(String sessionCookie) {
1761         if (sessionCookie != null && sessionCookie.length() > 0) {
1762             Log_OC.d(TAG, "Successful SSO - time to save the account");
1763             mAuthToken = sessionCookie;
1764             getRemoteUserNameOperation(sessionCookie);
1765             Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1766             if (fd != null && fd instanceof DialogFragment) {
1767                 Dialog d = ((DialogFragment)fd).getDialog();
1768                 if (d != null && d.isShowing()) {
1769                     d.dismiss();
1770                 }
1771             }
1772
1773         } else {
1774             // TODO - show fail
1775             Log_OC.d(TAG, "SSO failed");
1776         }
1777
1778     }
1779
1780     @Override
1781     public boolean onTouchEvent(MotionEvent event) {
1782         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1783                 equals(mAuthTokenType) &&
1784                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1785             checkOcServer();
1786         }
1787         return super.onTouchEvent(event);
1788     }
1789
1790
1791     /**
1792      * Show untrusted cert dialog
1793      */
1794     public void showUntrustedCertDialog(
1795             X509Certificate x509Certificate, SslError error, SslErrorHandler handler
1796         ) {
1797         // Show a dialog with the certificate info
1798         SslUntrustedCertDialog dialog;
1799         if (x509Certificate == null) {
1800             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
1801         } else {
1802             dialog = SslUntrustedCertDialog.
1803                     newInstanceForFullSslError(x509Certificate, error, handler);
1804         }
1805         FragmentManager fm = getSupportFragmentManager();
1806         FragmentTransaction ft = fm.beginTransaction();
1807         ft.addToBackStack(null);
1808         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1809     }
1810
1811
1812     /**
1813      * Show untrusted cert dialog
1814      */
1815     private void showUntrustedCertDialog(RemoteOperationResult result) {
1816         // Show a dialog with the certificate info
1817         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.
1818                 newInstanceForFullSslError((CertificateCombinedException)result.getException());
1819         FragmentManager fm = getSupportFragmentManager();
1820         FragmentTransaction ft = fm.beginTransaction();
1821         ft.addToBackStack(null);
1822         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1823
1824     }
1825
1826     /**
1827      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1828      */
1829     public void onSavedCertificate() {
1830         Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1831         if (fd == null) {
1832             // if SAML dialog is not shown,
1833             // the SslDialog was shown due to an SSL error in the server check
1834             checkOcServer();
1835         }
1836     }
1837
1838     /**
1839      * Called from SslValidatorDialog when a new server certificate could not be saved
1840      * when the user requested it.
1841      */
1842     @Override
1843     public void onFailedSavingCertificate() {
1844         dismissDialog(SAML_DIALOG_TAG);
1845         Toast.makeText(this, R.string.ssl_validator_not_saved, Toast.LENGTH_LONG).show();
1846     }
1847
1848     @Override
1849     public void onCancelCertificate() {
1850         dismissDialog(SAML_DIALOG_TAG);
1851     }
1852
1853
1854     private void doOnResumeAndBound() {
1855         //Log_OC.wtf(TAG, "registering to listen for operation callbacks" );
1856         mOperationsServiceBinder.addOperationListener(AuthenticatorActivity.this, mHandler);
1857         if (mWaitingForOpId <= Integer.MAX_VALUE) {
1858             mOperationsServiceBinder.dispatchResultIfFinished((int)mWaitingForOpId, this);
1859         }
1860
1861         if (mPendingAutoCheck) {
1862             checkOcServer();
1863         }
1864     }
1865
1866
1867     private void dismissDialog(String dialogTag){
1868         Fragment frag = getSupportFragmentManager().findFragmentByTag(dialogTag);
1869         if (frag != null && frag instanceof DialogFragment) {
1870             DialogFragment dialog = (DialogFragment) frag;
1871             dialog.dismiss();
1872         }
1873     }
1874
1875
1876     /**
1877      * Implements callback methods for service binding.
1878      */
1879     private class OperationsServiceConnection implements ServiceConnection {
1880
1881         @Override
1882         public void onServiceConnected(ComponentName component, IBinder service) {
1883             if (component.equals(
1884                     new ComponentName(AuthenticatorActivity.this, OperationsService.class)
1885                 )) {
1886                 mOperationsServiceBinder = (OperationsServiceBinder) service;
1887
1888                 doOnResumeAndBound();
1889
1890             }
1891
1892         }
1893
1894         @Override
1895         public void onServiceDisconnected(ComponentName component) {
1896             if (component.equals(
1897                     new ComponentName(AuthenticatorActivity.this, OperationsService.class)
1898                 )) {
1899                 Log_OC.e(TAG, "Operations service crashed");
1900                 mOperationsServiceBinder = null;
1901             }
1902         }
1903
1904     }
1905
1906     /**
1907      * Create and show dialog for request authentication to the user
1908      * @param webView   Web view to emebd into the authentication dialog.
1909      * @param handler   Object responsible for catching and recovering HTTP authentication fails.
1910      */
1911     public void createAuthenticationDialog(WebView webView, HttpAuthHandler handler) {
1912
1913         // Show a dialog with the certificate info
1914         CredentialsDialogFragment dialog =
1915                 CredentialsDialogFragment.newInstanceForCredentials(webView, handler);
1916         FragmentManager fm = getSupportFragmentManager();
1917         FragmentTransaction ft = fm.beginTransaction();
1918         ft.addToBackStack(null);
1919         dialog.setCancelable(false);
1920         dialog.show(ft, CREDENTIALS_DIALOG_TAG);
1921
1922         if (!mIsFirstAuthAttempt) {
1923             Toast.makeText(
1924                     getApplicationContext(),
1925                     getText(R.string.saml_authentication_wrong_pass),
1926                     Toast.LENGTH_LONG
1927             ).show();
1928         } else {
1929             mIsFirstAuthAttempt = false;
1930         }
1931     }
1932
1933     /**
1934      * For retrieving the clicking on authentication cancel button
1935      */
1936     public void doNegativeAuthenticatioDialogClick(){
1937         mIsFirstAuthAttempt = true;
1938     }
1939
1940 }