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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012  Bartek Przybylski
   3  *   Copyright (C) 2012-2015 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.authentication;
  20
  21 import java.security.cert.X509Certificate;
  22 import java.util.Map;
  23
  24 import android.accounts.Account;
  25 import android.accounts.AccountManager;
  26 import android.app.Dialog;
  27 import android.content.ComponentName;
  28 import android.content.Context;
  29 import android.content.Intent;
  30 import android.content.ServiceConnection;
  31 import android.content.SharedPreferences;
  32 import android.graphics.Rect;
  33 import android.graphics.drawable.Drawable;
  34 import android.net.Uri;
  35 import android.net.http.SslError;
  36 import android.os.AsyncTask;
  37 import android.os.Bundle;
  38 import android.os.Handler;
  39 import android.os.IBinder;
  40 import android.preference.PreferenceManager;
  41 import android.support.v4.app.Fragment;
  42 import android.support.v4.app.FragmentManager;
  43 import android.support.v4.app.FragmentTransaction;
  44 import android.text.Editable;
  45 import android.text.InputType;
  46 import android.text.TextWatcher;
  47 import android.view.KeyEvent;
  48 import android.view.MotionEvent;
  49 import android.view.View;
  50 import android.view.View.OnFocusChangeListener;
  51 import android.view.View.OnTouchListener;
  52 import android.view.Window;
  53 import android.view.inputmethod.EditorInfo;
  54 import android.webkit.HttpAuthHandler;
  55 import android.webkit.SslErrorHandler;
  56 import android.webkit.WebView;
  57 import android.widget.Button;
  58 import android.widget.CheckBox;
  59 import android.widget.EditText;
  60 import android.widget.TextView;
  61 import android.widget.TextView.OnEditorActionListener;
  62 import android.widget.Toast;
  63
  64 import com.actionbarsherlock.app.SherlockDialogFragment;
  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.OwnCloudAccount;
  69 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  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.files.ExistenceCheckRemoteOperation;
  80 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  81 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  82 import com.owncloud.android.operations.DetectAuthenticationMethodOperation.AuthenticationMethod;
  83 import com.owncloud.android.operations.GetServerInfoOperation;
  84 import com.owncloud.android.operations.OAuth2GetAccessToken;
  85 import com.owncloud.android.services.OperationsService;
  86 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  87 import com.owncloud.android.ui.dialog.CredentialsDialogFragment;
  88 import com.owncloud.android.ui.dialog.IndeterminateProgressDialog;
  89 import com.owncloud.android.ui.dialog.SamlWebViewDialog;
  90 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  91 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  92 import com.owncloud.android.utils.DisplayUtils;
  93
  94 /**
  95  * This Activity is used to add an ownCloud account to the App
  96  *
  97  * @author Bartek Przybylski
  98  * @author David A. Velasco
  99  * @author masensio
 100  */
 101 public class AuthenticatorActivity extends AccountAuthenticatorActivity
 102         implements  OnRemoteOperationListener, OnFocusChangeListener, OnEditorActionListener,
 103         SsoWebViewClientListener, OnSslUntrustedCertListener,
 104         AuthenticatorAsyncTask.OnAuthenticatorTaskListener {
 105
 106     private static final String TAG = AuthenticatorActivity.class.getSimpleName();
 107
 108     public static final String EXTRA_ACTION = "ACTION";
 109     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 110
 111     private static final String KEY_AUTH_TOKEN_TYPE = "AUTH_TOKEN_TYPE";
 112
 113     private static final String KEY_HOST_URL_TEXT = "HOST_URL_TEXT";
 114     private static final String KEY_OC_VERSION = "OC_VERSION";
 115     private static final String KEY_SERVER_VALID = "SERVER_VALID";
 116     private static final String KEY_SERVER_CHECKED = "SERVER_CHECKED";
 117     private static final String KEY_SERVER_STATUS_TEXT = "SERVER_STATUS_TEXT";
 118     private static final String KEY_SERVER_STATUS_ICON = "SERVER_STATUS_ICON";
 119     private static final String KEY_IS_SSL_CONN = "IS_SSL_CONN";
 120     private static final String KEY_PASSWORD_EXPOSED = "PASSWORD_VISIBLE";
 121     private static final String KEY_AUTH_STATUS_TEXT = "AUTH_STATUS_TEXT";
 122     private static final String KEY_AUTH_STATUS_ICON = "AUTH_STATUS_ICON";
 123     private static final String KEY_SERVER_AUTH_METHOD = "SERVER_AUTH_METHOD";
 124     private static final String KEY_WAITING_FOR_OP_ID = "WAITING_FOR_OP_ID";
 125     private static final String KEY_AUTH_TOKEN = "AUTH_TOKEN";
 126
 127     private static final String AUTH_ON = "on";
 128     private static final String AUTH_OPTIONAL = "optional";
 129
 130     public static final byte ACTION_CREATE = 0;
 131     public static final byte ACTION_UPDATE_TOKEN = 1;               // requested by the user
 132     public static final byte ACTION_UPDATE_EXPIRED_TOKEN = 2;       // detected by the app
 133
 134     private static final String UNTRUSTED_CERT_DIALOG_TAG = "UNTRUSTED_CERT_DIALOG";
 135     private static final String SAML_DIALOG_TAG = "SAML_DIALOG";
 136     private static final String WAIT_DIALOG_TAG = "WAIT_DIALOG";
 137     private static final String CREDENTIALS_DIALOG_TAG = "CREDENTIALS_DIALOG";
 138     private static final String KEY_AUTH_IS_FIRST_ATTEMPT_TAG = "KEY_AUTH_IS_FIRST_ATTEMPT";
 139
 140     private static final String KEY_USERNAME = "USERNAME";
 141     private static final String KEY_PASSWORD = "PASSWORD";
 142     private static final String KEY_ASYNC_TASK_IN_PROGRESS = "AUTH_IN_PROGRESS";
 143
 144     /// parameters from EXTRAs in starter Intent
 145     private byte mAction;
 146     private Account mAccount;
 147     private String mAuthTokenType;
 148
 149
 150     /// activity-level references / state
 151     private final Handler mHandler = new Handler();
 152     private ServiceConnection mOperationsServiceConnection = null;
 153     private OperationsServiceBinder mOperationsServiceBinder = null;
 154     private AccountManager mAccountMgr;
 155     private Uri mNewCapturedUriFromOAuth2Redirection;
 156
 157
 158     /// Server PRE-Fragment elements
 159     private EditText mHostUrlInput;
 160     private View mRefreshButton;
 161     private TextView mServerStatusView;
 162
 163     private TextWatcher mHostUrlInputWatcher;
 164     private int mServerStatusText = 0, mServerStatusIcon = 0;
 165
 166     private boolean mServerIsChecked = false;
 167     private boolean mServerIsValid = false;
 168     private boolean mPendingAutoCheck = false;
 169
 170     private GetServerInfoOperation.ServerInfo mServerInfo =
 171             new GetServerInfoOperation.ServerInfo();
 172
 173
 174     /// Authentication PRE-Fragment elements
 175     private CheckBox mOAuth2Check;
 176     private TextView mOAuthAuthEndpointText;
 177     private TextView mOAuthTokenEndpointText;
 178     private EditText mUsernameInput;
 179     private EditText mPasswordInput;
 180     private View mOkButton;
 181     private TextView mAuthStatusView;
 182
 183     private int mAuthStatusText = 0, mAuthStatusIcon = 0;
 184
 185     private String mAuthToken = "";
 186     private AuthenticatorAsyncTask mAsyncTask;
 187
 188     private boolean mIsFirstAuthAttempt;
 189
 190     /// Identifier of operation in progress which result shouldn't be lost
 191     private long mWaitingForOpId = Long.MAX_VALUE;
 192
 193
 194     /**
 195      * {@inheritDoc}
 196      *
 197      * IMPORTANT ENTRY POINT 1: activity is shown to the user
 198      */
 199     @Override
 200     protected void onCreate(Bundle savedInstanceState) {
 201         //Log_OC.wtf(TAG,  "onCreate init");
 202         super.onCreate(savedInstanceState);
 203         getWindow().requestFeature(Window.FEATURE_NO_TITLE);
 204
 205         mIsFirstAuthAttempt = true;
 206
 207         // bind to Operations Service
 208         mOperationsServiceConnection = new OperationsServiceConnection();
 209         if (!bindService(new Intent(this, OperationsService.class),
 210                 mOperationsServiceConnection,
 211                 Context.BIND_AUTO_CREATE)) {
 212             Toast.makeText(this,
 213                     R.string.error_cant_bind_to_operations_service,
 214                     Toast.LENGTH_LONG)
 215                         .show();
 216             finish();
 217         }
 218
 219         /// init activity state
 220         mAccountMgr = AccountManager.get(this);
 221         mNewCapturedUriFromOAuth2Redirection = null;
 222
 223         /// get input values
 224         mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE);
 225         mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 226         if (savedInstanceState == null) {
 227             initAuthTokenType();
 228         } else {
 229             mAuthTokenType = savedInstanceState.getString(KEY_AUTH_TOKEN_TYPE);
 230             mWaitingForOpId = savedInstanceState.getLong(KEY_WAITING_FOR_OP_ID);
 231             mIsFirstAuthAttempt = savedInstanceState.getBoolean(KEY_AUTH_IS_FIRST_ATTEMPT_TAG);
 232         }
 233
 234         /// load user interface
 235         setContentView(R.layout.account_setup);
 236
 237         /// initialize general UI elements
 238         initOverallUi(savedInstanceState);
 239
 240         mOkButton = findViewById(R.id.buttonOK);
 241
 242         /// initialize block to be moved to single Fragment to check server and get info about it
 243         initServerPreFragment(savedInstanceState);
 244
 245         /// initialize block to be moved to single Fragment to retrieve and validate credentials
 246         initAuthorizationPreFragment(savedInstanceState);
 247
 248         //Log_OC.wtf(TAG,  "onCreate end");
 249     }
 250
 251     private void initAuthTokenType() {
 252         mAuthTokenType =
 253                 getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 254         if (mAuthTokenType == null) {
 255             if (mAccount != null) {
 256                 boolean oAuthRequired =
 257                     (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2) != null);
 258                 boolean samlWebSsoRequired = (
 259                     mAccountMgr.getUserData(
 260                         mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO
 261                     ) != null
 262                 );
 263                 mAuthTokenType = chooseAuthTokenType(oAuthRequired, samlWebSsoRequired);
 264
 265             } else {
 266                 boolean oAuthSupported = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
 267                 boolean samlWebSsoSupported =
 268                         AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));
 269                 mAuthTokenType = chooseAuthTokenType(oAuthSupported, samlWebSsoSupported);
 270             }
 271         }
 272     }
 273
 274     private String chooseAuthTokenType(boolean oauth, boolean saml) {
 275         if (saml) {
 276             return AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 277         } else if (oauth) {
 278              return AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
 279         } else {
 280             return AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 281         }
 282     }
 283
 284
 285     /**
 286      * Configures elements in the user interface under direct control of the Activity.
 287      *
 288      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 289      */
 290     private void initOverallUi(Bundle savedInstanceState) {
 291
 292         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 293         boolean isWelcomeLinkVisible = getResources().getBoolean(R.bool.show_welcome_link);
 294
 295         String instructionsMessageText = null;
 296         if (mAction == ACTION_UPDATE_EXPIRED_TOKEN) {
 297             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType())
 298                     .equals(mAuthTokenType)) {
 299                 instructionsMessageText = getString(R.string.auth_expired_oauth_token_toast);
 300
 301             } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType())
 302                     .equals(mAuthTokenType)) {
 303                 instructionsMessageText = getString(R.string.auth_expired_saml_sso_token_toast);
 304
 305             } else {
 306                 instructionsMessageText = getString(R.string.auth_expired_basic_auth_toast);
 307             }
 308         }
 309
 310         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 311         Button welcomeLink = (Button) findViewById(R.id.welcome_link);
 312         welcomeLink.setVisibility(isWelcomeLinkVisible ? View.VISIBLE : View.GONE);
 313         welcomeLink.setText(
 314                 String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 315
 316         TextView instructionsView = (TextView) findViewById(R.id.instructions_message);
 317         if (instructionsMessageText != null) {
 318             instructionsView.setVisibility(View.VISIBLE);
 319             instructionsView.setText(instructionsMessageText);
 320         } else {
 321             instructionsView.setVisibility(View.GONE);
 322         }
 323     }
 324
 325
 326     /**
 327      *
 328      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 329      */
 330     private void initServerPreFragment(Bundle savedInstanceState) {
 331
 332         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 333         boolean isUrlInputAllowed = getResources().getBoolean(R.bool.show_server_url_input);
 334         if (savedInstanceState == null) {
 335             if (mAccount != null) {
 336                 mServerInfo.mBaseUrl = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_BASE_URL);
 337                 // TODO do next in a setter for mBaseUrl
 338                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");
 339                 String ocVersion = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION);
 340                 if (ocVersion != null) {
 341                     mServerInfo.mVersion = new OwnCloudVersion(ocVersion);
 342                 }
 343             } else {
 344                 mServerInfo.mBaseUrl = getString(R.string.server_url).trim();
 345                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");
 346             }
 347         } else {
 348             mServerStatusText = savedInstanceState.getInt(KEY_SERVER_STATUS_TEXT);
 349             mServerStatusIcon = savedInstanceState.getInt(KEY_SERVER_STATUS_ICON);
 350
 351             mServerIsValid = savedInstanceState.getBoolean(KEY_SERVER_VALID);
 352             mServerIsChecked = savedInstanceState.getBoolean(KEY_SERVER_CHECKED);
 353
 354             // TODO parcelable
 355             mServerInfo.mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 356             mServerInfo.mBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 357             String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 358             if (ocVersion != null) {
 359                 mServerInfo.mVersion = new OwnCloudVersion(ocVersion);
 360             }
 361             mServerInfo.mAuthMethod = AuthenticationMethod.valueOf(
 362                     savedInstanceState.getString(KEY_SERVER_AUTH_METHOD));
 363
 364         }
 365
 366         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 367         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 368         // Convert IDN to Unicode
 369         mHostUrlInput.setText(DisplayUtils.convertIdn(mServerInfo.mBaseUrl, false));
 370         if (mAction != ACTION_CREATE) {
 371             /// lock things that should not change
 372             mHostUrlInput.setEnabled(false);
 373             mHostUrlInput.setFocusable(false);
 374         }
 375         if (isUrlInputAllowed) {
 376             mRefreshButton = findViewById(R.id.embeddedRefreshButton);
 377         } else {
 378             findViewById(R.id.hostUrlFrame).setVisibility(View.GONE);
 379             mRefreshButton = findViewById(R.id.centeredRefreshButton);
 380         }
 381         showRefreshButton(mServerIsChecked && !mServerIsValid &&
 382                 mWaitingForOpId > Integer.MAX_VALUE);
 383         mServerStatusView = (TextView) findViewById(R.id.server_status_text);
 384         showServerStatus();
 385
 386         /// step 3 - bind some listeners and options
 387         mHostUrlInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 388         mHostUrlInput.setOnEditorActionListener(this);
 389
 390         /// step 4 - create listeners that will be bound at onResume
 391         mHostUrlInputWatcher = new TextWatcher() {
 392
 393             @Override
 394             public void afterTextChanged(Editable s) {
 395                 if (mOkButton.isEnabled() &&
 396                         !mServerInfo.mBaseUrl.equals(
 397                                 normalizeUrl(s.toString(), mServerInfo.mIsSslConn))) {
 398                     mOkButton.setEnabled(false);
 399                 }
 400             }
 401
 402             @Override
 403             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 404             }
 405
 406             @Override
 407             public void onTextChanged(CharSequence s, int start, int before, int count) {
 408                 if (mAuthStatusIcon != 0) {
 409                     Log_OC.d(TAG, "onTextChanged: hiding authentication status");
 410                     mAuthStatusIcon = 0;
 411                     mAuthStatusText = 0;
 412                     showAuthStatus();
 413                 }
 414             }
 415         };
 416
 417
 418         // TODO find out if this is really necessary, or if it can done in a different way
 419         findViewById(R.id.scroll).setOnTouchListener(new OnTouchListener() {
 420             @Override
 421             public boolean onTouch(View view, MotionEvent event) {
 422                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 423                     if (
 424                             AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(
 425                                     MainApp.getAccountType()
 426                             ).equals(mAuthTokenType) &&
 427                                     mHostUrlInput.hasFocus()
 428                             ) {
 429                         checkOcServer();
 430                     }
 431                 }
 432                 return false;
 433             }
 434         });
 435
 436
 437         /// step 4 - mark automatic check to be started when OperationsService is ready
 438         mPendingAutoCheck = (savedInstanceState == null &&
 439                 (mAction != ACTION_CREATE || !isUrlInputAllowed));
 440     }
 441
 442
 443     /**
 444      *
 445      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 446      */
 447     private void initAuthorizationPreFragment(Bundle savedInstanceState) {
 448
 449         /// step 0 - get UI elements in layout
 450         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 451         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 452         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 453         mUsernameInput = (EditText) findViewById(R.id.account_username);
 454         mPasswordInput = (EditText) findViewById(R.id.account_password);
 455         mAuthStatusView = (TextView) findViewById(R.id.auth_status_text);
 456
 457         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 458         String presetUserName = null;
 459         boolean isPasswordExposed = false;
 460         if (savedInstanceState == null) {
 461             if (mAccount != null) {
 462                 presetUserName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 463             }
 464
 465         } else {
 466             isPasswordExposed = savedInstanceState.getBoolean(KEY_PASSWORD_EXPOSED, false);
 467             mAuthStatusText = savedInstanceState.getInt(KEY_AUTH_STATUS_TEXT);
 468             mAuthStatusIcon = savedInstanceState.getInt(KEY_AUTH_STATUS_ICON);
 469             mAuthToken = savedInstanceState.getString(KEY_AUTH_TOKEN);
 470         }
 471
 472         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 473         mOAuth2Check.setChecked(
 474                 AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType())
 475                     .equals(mAuthTokenType));
 476         if (presetUserName != null) {
 477             mUsernameInput.setText(presetUserName);
 478         }
 479         if (mAction != ACTION_CREATE) {
 480             mUsernameInput.setEnabled(false);
 481             mUsernameInput.setFocusable(false);
 482         }
 483         mPasswordInput.setText(""); // clean password to avoid social hacking
 484         if (isPasswordExposed) {
 485             showPassword();
 486         }
 487         updateAuthenticationPreFragmentVisibility();
 488         showAuthStatus();
 489         mOkButton.setEnabled(mServerIsValid);
 490
 491
 492         /// step 3 - bind listeners
 493         // bindings for password input field
 494         mPasswordInput.setOnFocusChangeListener(this);
 495         mPasswordInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
 496         mPasswordInput.setOnEditorActionListener(this);
 497         mPasswordInput.setOnTouchListener(new RightDrawableOnTouchListener() {
 498             @Override
 499             public boolean onDrawableTouch(final MotionEvent event) {
 500                 if (event.getAction() == MotionEvent.ACTION_UP) {
 501                     AuthenticatorActivity.this.onViewPasswordClick();
 502                 }
 503                 return true;
 504             }
 505         });
 506
 507     }
 508
 509
 510     /**
 511      * Changes the visibility of input elements depending on
 512      * the current authorization method.
 513      */
 514     private void updateAuthenticationPreFragmentVisibility () {
 515         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 516                 equals(mAuthTokenType)) {
 517             // SAML-based web Single Sign On
 518             mOAuth2Check.setVisibility(View.GONE);
 519             mOAuthAuthEndpointText.setVisibility(View.GONE);
 520             mOAuthTokenEndpointText.setVisibility(View.GONE);
 521             mUsernameInput.setVisibility(View.GONE);
 522             mPasswordInput.setVisibility(View.GONE);
 523
 524         } else {
 525             if (mAction == ACTION_CREATE &&
 526                     AUTH_OPTIONAL.equals(getString(R.string.auth_method_oauth2))) {
 527                 mOAuth2Check.setVisibility(View.VISIBLE);
 528             } else {
 529                 mOAuth2Check.setVisibility(View.GONE);
 530             }
 531
 532             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
 533                     equals(mAuthTokenType)) {
 534                 // OAuth 2 authorization
 535
 536                 mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
 537                 mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
 538                 mUsernameInput.setVisibility(View.GONE);
 539                 mPasswordInput.setVisibility(View.GONE);
 540
 541             } else {
 542                 // basic HTTP authorization
 543                 mOAuthAuthEndpointText.setVisibility(View.GONE);
 544                 mOAuthTokenEndpointText.setVisibility(View.GONE);
 545                 mUsernameInput.setVisibility(View.VISIBLE);
 546                 mPasswordInput.setVisibility(View.VISIBLE);
 547             }
 548         }
 549     }
 550
 551
 552
 553     /**
 554      * Saves relevant state before {@link #onPause()}
 555      *
 556      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag,
 557      * intended to defer the processing of the redirection caught in
 558      * {@link #onNewIntent(Intent)} until {@link #onResume()}
 559      *
 560      * See {@link #onSaveInstanceState(Bundle)}
 561      */
 562     @Override
 563     protected void onSaveInstanceState(Bundle outState) {
 564         //Log_OC.wtf(TAG, "onSaveInstanceState init" );
 565         super.onSaveInstanceState(outState);
 566
 567         /// global state
 568         outState.putString(KEY_AUTH_TOKEN_TYPE, mAuthTokenType);
 569         outState.putLong(KEY_WAITING_FOR_OP_ID, mWaitingForOpId);
 570
 571         /// Server PRE-fragment state
 572         outState.putInt(KEY_SERVER_STATUS_TEXT, mServerStatusText);
 573         outState.putInt(KEY_SERVER_STATUS_ICON, mServerStatusIcon);
 574         outState.putBoolean(KEY_SERVER_CHECKED, mServerIsChecked);
 575         outState.putBoolean(KEY_SERVER_VALID, mServerIsValid);
 576         outState.putBoolean(KEY_IS_SSL_CONN, mServerInfo.mIsSslConn);
 577         outState.putString(KEY_HOST_URL_TEXT, mServerInfo.mBaseUrl);
 578         if (mServerInfo.mVersion != null) {
 579             outState.putString(KEY_OC_VERSION, mServerInfo.mVersion.getVersion());
 580         }
 581         outState.putString(KEY_SERVER_AUTH_METHOD, mServerInfo.mAuthMethod.name());
 582
 583         /// Authentication PRE-fragment state
 584         outState.putBoolean(KEY_PASSWORD_EXPOSED, isPasswordVisible());
 585         outState.putInt(KEY_AUTH_STATUS_ICON, mAuthStatusIcon);
 586         outState.putInt(KEY_AUTH_STATUS_TEXT, mAuthStatusText);
 587         outState.putString(KEY_AUTH_TOKEN, mAuthToken);
 588
 589         /// authentication
 590         outState.putBoolean(KEY_AUTH_IS_FIRST_ATTEMPT_TAG, mIsFirstAuthAttempt);
 591
 592         /// AsyncTask (User and password)
 593         outState.putString(KEY_USERNAME, mUsernameInput.getText().toString());
 594         outState.putString(KEY_PASSWORD, mPasswordInput.getText().toString());
 595
 596         if (mAsyncTask != null) {
 597             mAsyncTask.cancel(true);
 598             outState.putBoolean(KEY_ASYNC_TASK_IN_PROGRESS, true);
 599         } else {
 600             outState.putBoolean(KEY_ASYNC_TASK_IN_PROGRESS, false);
 601         }
 602         mAsyncTask = null;
 603
 604         //Log_OC.wtf(TAG, "onSaveInstanceState end" );
 605     }
 606
 607     @Override
 608     public void onRestoreInstanceState(Bundle savedInstanceState) {
 609         super.onRestoreInstanceState(savedInstanceState);
 610
 611         // AsyncTask
 612         boolean inProgress = savedInstanceState.getBoolean(KEY_ASYNC_TASK_IN_PROGRESS);
 613         if (inProgress){
 614             mAsyncTask = new AuthenticatorAsyncTask(this);
 615             String username = savedInstanceState.getString(KEY_USERNAME);
 616             String password = savedInstanceState.getString(KEY_PASSWORD);
 617             String[] params = {mServerInfo.mBaseUrl, username, password, mAuthToken, mAuthTokenType};
 618             mAsyncTask.execute(params);
 619         }
 620     }
 621
 622     /**
 623      * The redirection triggered by the OAuth authentication server as response to the
 624      * GET AUTHORIZATION request is caught here.
 625      *
 626      * To make this possible, this activity needs to be qualified with android:launchMode =
 627      * "singleTask" in the AndroidManifest.xml file.
 628      */
 629     @Override
 630     protected void onNewIntent (Intent intent) {
 631         Log_OC.d(TAG, "onNewIntent()");
 632         Uri data = intent.getData();
 633         if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) {
 634             mNewCapturedUriFromOAuth2Redirection = data;
 635         }
 636     }
 637
 638
 639     /**
 640      * The redirection triggered by the OAuth authentication server as response to the
 641      * GET AUTHORIZATION, and deferred in {@link #onNewIntent(Intent)}, is processed here.
 642      */
 643     @Override
 644     protected void onResume() {
 645         //Log_OC.wtf(TAG, "onResume init" );
 646         super.onResume();
 647
 648         // bound here to avoid spurious changes triggered by Android on device rotations
 649         mHostUrlInput.setOnFocusChangeListener(this);
 650         mHostUrlInput.addTextChangedListener(mHostUrlInputWatcher);
 651
 652         if (mNewCapturedUriFromOAuth2Redirection != null) {
 653             getOAuth2AccessTokenFromCapturedRedirection();
 654         }
 655
 656         if (mOperationsServiceBinder != null) {
 657             doOnResumeAndBound();
 658         }
 659
 660         //Log_OC.wtf(TAG, "onResume end" );
 661     }
 662
 663
 664     @Override
 665     protected void onPause() {
 666         //Log_OC.wtf(TAG, "onPause init" );
 667         if (mOperationsServiceBinder != null) {
 668             //Log_OC.wtf(TAG, "unregistering to listen for operation callbacks" );
 669             mOperationsServiceBinder.removeOperationListener(this);
 670         }
 671
 672         mHostUrlInput.removeTextChangedListener(mHostUrlInputWatcher);
 673         mHostUrlInput.setOnFocusChangeListener(null);
 674
 675         super.onPause();
 676         //Log_OC.wtf(TAG, "onPause end" );
 677     }
 678
 679     @Override
 680     protected void onDestroy() {
 681
 682         mHostUrlInputWatcher = null;
 683
 684         if (mOperationsServiceConnection != null) {
 685             unbindService(mOperationsServiceConnection);
 686             mOperationsServiceBinder = null;
 687         }
 688         super.onDestroy();
 689     }
 690
 691
 692     /**
 693      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 694      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 695      */
 696     private void getOAuth2AccessTokenFromCapturedRedirection() {
 697         /// Parse data from OAuth redirection
 698         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 699         mNewCapturedUriFromOAuth2Redirection = null;
 700
 701         /// Showing the dialog with instructions for the user.
 702         IndeterminateProgressDialog dialog =
 703                 IndeterminateProgressDialog.newInstance(R.string.auth_getting_authorization, true);
 704         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 705
 706         /// GET ACCESS TOKEN to the oAuth server
 707         Intent getServerInfoIntent = new Intent();
 708         getServerInfoIntent.setAction(OperationsService.ACTION_OAUTH2_GET_ACCESS_TOKEN);
 709
 710         getServerInfoIntent.putExtra(
 711                 OperationsService.EXTRA_SERVER_URL,
 712                 mOAuthTokenEndpointText.getText().toString().trim());
 713
 714         getServerInfoIntent.putExtra(
 715                 OperationsService.EXTRA_OAUTH2_QUERY_PARAMETERS,
 716                 queryParameters);
 717
 718         if (mOperationsServiceBinder != null) {
 719             //Log_OC.wtf(TAG, "getting access token..." );
 720             mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getServerInfoIntent);
 721         }
 722     }
 723
 724
 725
 726     /**
 727      * Handles the change of focus on the text inputs for the server URL and the password
 728      */
 729     public void onFocusChange(View view, boolean hasFocus) {
 730         if (view.getId() == R.id.hostUrlInput) {
 731             if (!hasFocus) {
 732                 onUrlInputFocusLost((TextView) view);
 733             }
 734             else {
 735                 showRefreshButton(false);
 736             }
 737
 738         } else if (view.getId() == R.id.account_password) {
 739             onPasswordFocusChanged((TextView) view, hasFocus);
 740         }
 741     }
 742
 743
 744     /**
 745      * Handles changes in focus on the text input for the server URL.
 746      *
 747      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 748      * other field. The operation to check the existence of the server in the entered URL is
 749      * started.
 750      *
 751      * When hasFocus:    user 'comes back' to write again the server URL.
 752      *
 753      * @param hostInput     TextView with the URL input field receiving the change of focus.
 754      */
 755     private void onUrlInputFocusLost(TextView hostInput) {
 756         if (!mServerInfo.mBaseUrl.equals(
 757                 normalizeUrl(mHostUrlInput.getText().toString(), mServerInfo.mIsSslConn))) {
 758             // check server again only if the user changed something in the field
 759             checkOcServer();
 760         } else {
 761             mOkButton.setEnabled(mServerIsValid);
 762             showRefreshButton(!mServerIsValid);
 763         }
 764     }
 765
 766
 767     private void checkOcServer() {
 768         String uri = mHostUrlInput.getText().toString().trim();
 769         mServerIsValid = false;
 770         mServerIsChecked = false;
 771         mOkButton.setEnabled(false);
 772         mServerInfo = new GetServerInfoOperation.ServerInfo();
 773         showRefreshButton(false);
 774
 775         if (uri.length() != 0) {
 776             // Handle internationalized domain names
 777             uri = DisplayUtils.convertIdn(uri, true);
 778             mServerStatusText = R.string.auth_testing_connection;
 779             mServerStatusIcon = R.drawable.progress_small;
 780             showServerStatus();
 781
 782             Intent getServerInfoIntent = new Intent();
 783             getServerInfoIntent.setAction(OperationsService.ACTION_GET_SERVER_INFO);
 784             getServerInfoIntent.putExtra(
 785                 OperationsService.EXTRA_SERVER_URL,
 786                 normalizeUrlSuffix(uri)
 787             );
 788             if (mOperationsServiceBinder != null) {
 789                 mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getServerInfoIntent);
 790             } else {
 791               Log_OC.wtf(TAG, "Server check tried with OperationService unbound!" );
 792             }
 793
 794         } else {
 795             mServerStatusText = 0;
 796             mServerStatusIcon = 0;
 797             showServerStatus();
 798         }
 799     }
 800
 801
 802     /**
 803      * Handles changes in focus on the text input for the password (basic authorization).
 804      *
 805      * When (hasFocus), the button to toggle password visibility is shown.
 806      *
 807      * When (!hasFocus), the button is made invisible and the password is hidden.
 808      *
 809      * @param passwordInput    TextView with the password input field receiving the change of focus.
 810      * @param hasFocus          'True' if focus is received, 'false' if is lost
 811      */
 812     private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {
 813         if (hasFocus) {
 814             showViewPasswordButton();
 815         } else {
 816             hidePassword();
 817             hidePasswordButton();
 818         }
 819     }
 820
 821
 822     private void showViewPasswordButton() {
 823         int drawable = R.drawable.ic_view;
 824         if (isPasswordVisible()) {
 825             drawable = R.drawable.ic_hide;
 826         }
 827         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 828     }
 829
 830     private boolean isPasswordVisible() {
 831         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) ==
 832                 InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 833     }
 834
 835     private void hidePasswordButton() {
 836         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 837     }
 838
 839     private void showPassword() {
 840         mPasswordInput.setInputType(
 841                 InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD
 842         );
 843         showViewPasswordButton();
 844     }
 845
 846     private void hidePassword() {
 847         mPasswordInput.setInputType(
 848                 InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD
 849         );
 850         showViewPasswordButton();
 851     }
 852
 853     /**
 854      * Checks the credentials of the user in the root of the ownCloud server
 855      * before creating a new local account.
 856      *
 857      * For basic authorization, a check of existence of the root folder is
 858      * performed.
 859      *
 860      * For OAuth, starts the flow to get an access token; the credentials test
 861      * is postponed until it is available.
 862      *
 863      * IMPORTANT ENTRY POINT 4
 864      *
 865      * @param view      OK button
 866      */
 867     public void onOkClick(View view) {
 868         // this check should be unnecessary
 869         if (mServerInfo.mVersion == null ||
 870                 !mServerInfo.mVersion.isVersionValid()  ||
 871                 mServerInfo.mBaseUrl == null ||
 872                 mServerInfo.mBaseUrl.length() == 0) {
 873             mServerStatusIcon = R.drawable.common_error;
 874             mServerStatusText = R.string.auth_wtf_reenter_URL;
 875             showServerStatus();
 876             mOkButton.setEnabled(false);
 877             //Log_OC.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");
 878             return;
 879         }
 880
 881         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
 882                 equals(mAuthTokenType)) {
 883
 884             startOauthorization();
 885         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 886                 equals(mAuthTokenType)) {
 887
 888             startSamlBasedFederatedSingleSignOnAuthorization();
 889         } else {
 890             checkBasicAuthorization();
 891         }
 892     }
 893
 894
 895     /**
 896      * Tests the credentials entered by the user performing a check of existence on
 897      * the root folder of the ownCloud server.
 898      */
 899     private void checkBasicAuthorization() {
 900         /// get basic credentials entered by user
 901         String username = mUsernameInput.getText().toString();
 902         String password = mPasswordInput.getText().toString();
 903
 904         /// be gentle with the user
 905         IndeterminateProgressDialog dialog =
 906                 IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
 907         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 908
 909         /// validate credentials accessing the root folder
 910         accessRootFolderRemoteOperation(username, password);
 911
 912     }
 913
 914     private void accessRootFolderRemoteOperation(String username, String password) {
 915         // delete the account if the token has changed
 916         if (mAction == ACTION_UPDATE_TOKEN || mAction == ACTION_UPDATE_EXPIRED_TOKEN) {
 917             // Remove the cookies in AccountManager
 918             mAccountMgr.setUserData(mAccount, Constants.KEY_COOKIES, null);
 919         }
 920
 921         mAsyncTask = new AuthenticatorAsyncTask(this);
 922         String[] params = { mServerInfo.mBaseUrl, username, password, mAuthToken, mAuthTokenType};
 923         mAsyncTask.execute(params);
 924
 925     }
 926
 927     /**
 928      * Starts the OAuth 'grant type' flow to get an access token, with
 929      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 930      */
 931     private void startOauthorization() {
 932         // be gentle with the user
 933         mAuthStatusIcon = R.drawable.progress_small;
 934         mAuthStatusText = R.string.oauth_login_connection;
 935         showAuthStatus();
 936
 937         // GET AUTHORIZATION request
 938         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 939         Uri.Builder uriBuilder = uri.buildUpon();
 940         uriBuilder.appendQueryParameter(
 941                 OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type)
 942         );
 943         uriBuilder.appendQueryParameter(
 944                 OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri)
 945         );
 946         uriBuilder.appendQueryParameter(
 947                 OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id)
 948         );
 949         uriBuilder.appendQueryParameter(
 950                 OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope)
 951         );
 952         uri = uriBuilder.build();
 953         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 954         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 955         startActivity(i);
 956     }
 957
 958
 959     /**
 960      * Starts the Web Single Sign On flow to get access to the root folder
 961      * in the server.
 962      */
 963     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 964         // be gentle with the user
 965         mAuthStatusIcon = R.drawable.progress_small;
 966         mAuthStatusText = R.string.auth_connecting_auth_server;
 967         showAuthStatus();
 968         IndeterminateProgressDialog dialog =
 969                 IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
 970         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 971
 972         /// validate credentials accessing the root folder
 973         accessRootFolderRemoteOperation("", "");
 974
 975     }
 976
 977     /**
 978      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 979      *
 980      * Dispatches the operation flow to the right method.
 981      */
 982     @Override
 983     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 984
 985         if (operation instanceof GetServerInfoOperation) {
 986             if (operation.hashCode() == mWaitingForOpId) {
 987                 onGetServerInfoFinish(result);
 988             }   // else nothing ; only the last check operation is considered;
 989                 // multiple can be started if the user amends a URL quickly
 990
 991         } else if (operation instanceof OAuth2GetAccessToken) {
 992             onGetOAuthAccessTokenFinish(result);
 993
 994         } else if (operation instanceof ExistenceCheckRemoteOperation)  {
 995             // TODO : remove this response??
 996             //Log_OC.wtf(TAG, "received detection response through callback" );
 997             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 998                     equals(mAuthTokenType)) {
 999                 onSamlBasedFederatedSingleSignOnAuthorizationStart(result);
1000
1001             } else {
1002                 onAuthorizationCheckFinish(result);
1003             }
1004         } else if (operation instanceof GetRemoteUserNameOperation) {
1005             onGetUserNameFinish(result);
1006         }
1007
1008     }
1009
1010     private void onGetUserNameFinish(RemoteOperationResult result) {
1011         mWaitingForOpId = Long.MAX_VALUE;
1012         if (result.isSuccess()) {
1013             boolean success = false;
1014             String username = (String) result.getData().get(0);
1015
1016             if ( mAction == ACTION_CREATE) {
1017                 mUsernameInput.setText(username);
1018                 success = createAccount();
1019             } else {
1020
1021                 if (!mUsernameInput.getText().toString().equals(username)) {
1022                     // fail - not a new account, but an existing one; disallow
1023                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
1024                     mAuthToken = "";
1025                     updateAuthStatusIconAndText(result);
1026                     showAuthStatus();
1027                     Log_OC.d(TAG, result.getLogMessage());
1028                 } else {
1029                     try {
1030                         updateAccountAuthentication();
1031                         success = true;
1032
1033                     } catch (AccountNotFoundException e) {
1034                         Log_OC.e(TAG, "Account " + mAccount + " was removed!", e);
1035                         Toast.makeText(this, R.string.auth_account_does_not_exist, Toast.LENGTH_SHORT).show();
1036                         finish();
1037                     }
1038                 }
1039             }
1040
1041             if (success)
1042                 finish();
1043         } else {
1044             updateStatusIconFailUserName();
1045             showAuthStatus();
1046             Log_OC.e(TAG, "Access to user name failed: " + result.getLogMessage());
1047         }
1048
1049     }
1050
1051     private void onSamlBasedFederatedSingleSignOnAuthorizationStart(RemoteOperationResult result) {
1052         mWaitingForOpId = Long.MAX_VALUE;
1053         dismissDialog(WAIT_DIALOG_TAG);
1054
1055         if (result.isIdPRedirection()) {
1056             String targetUrl = mServerInfo.mBaseUrl
1057                     + AccountUtils.getWebdavPath(mServerInfo.mVersion, mAuthTokenType);
1058
1059             // Show dialog
1060             SamlWebViewDialog dialog = SamlWebViewDialog.newInstance(targetUrl, targetUrl);
1061             dialog.show(getSupportFragmentManager(), SAML_DIALOG_TAG);
1062
1063             mAuthStatusIcon = 0;
1064             mAuthStatusText = 0;
1065
1066         } else {
1067             mAuthStatusIcon = R.drawable.common_error;
1068             mAuthStatusText = R.string.auth_unsupported_auth_method;
1069
1070         }
1071         showAuthStatus();
1072     }
1073
1074
1075     /**
1076      * Processes the result of the server check performed when the user finishes the enter of the
1077      * server URL.
1078      *
1079      * @param result        Result of the check.
1080      */
1081     private void onGetServerInfoFinish(RemoteOperationResult result) {
1082         /// update activity state
1083         mServerIsChecked = true;
1084         mWaitingForOpId = Long.MAX_VALUE;
1085
1086         // update server status, but don't show it yet
1087         updateServerStatusIconAndText(result);
1088
1089         if (result.isSuccess()) {
1090             /// SUCCESS means:
1091             //      1. connection succeeded, and we know if it's SSL or not
1092             //      2. server is installed
1093             //      3. we got the server version
1094             //      4. we got the authentication method required by the server
1095             mServerInfo = (GetServerInfoOperation.ServerInfo) (result.getData().get(0));
1096
1097             if (!authSupported(mServerInfo.mAuthMethod)) {
1098
1099                 updateServerStatusIconNoRegularAuth();  // overrides updateServerStatusIconAndText()
1100                 mServerIsValid = false;
1101
1102             } else {
1103                 mServerIsValid = true;
1104             }
1105
1106         } else {
1107             mServerIsValid = false;
1108         }
1109
1110         // refresh UI
1111         showRefreshButton(!mServerIsValid);
1112         showServerStatus();
1113         mOkButton.setEnabled(mServerIsValid);
1114
1115         /// very special case (TODO: move to a common place for all the remote operations)
1116         if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1117             showUntrustedCertDialog(result);
1118         }
1119     }
1120
1121
1122     private boolean authSupported(AuthenticationMethod authMethod) {
1123         String basic = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1124         String oAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1125         String saml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
1126
1127         return (( mAuthTokenType.equals(basic) &&
1128                     authMethod.equals(AuthenticationMethod.BASIC_HTTP_AUTH) ) ||
1129                 ( mAuthTokenType.equals(oAuth) &&
1130                     authMethod.equals(AuthenticationMethod.BEARER_TOKEN)) ||
1131                 ( mAuthTokenType.equals(saml)  &&
1132                     authMethod.equals(AuthenticationMethod.SAML_WEB_SSO))
1133         );
1134     }
1135
1136
1137     // TODO remove, if possible
1138     private String normalizeUrl(String url, boolean sslWhenUnprefixed) {
1139         if (url != null && url.length() > 0) {
1140             url = url.trim();
1141             if (!url.toLowerCase().startsWith("http://") &&
1142                     !url.toLowerCase().startsWith("https://")) {
1143                 if (sslWhenUnprefixed) {
1144                     url = "https://" + url;
1145                 } else {
1146                     url = "http://" + url;
1147                 }
1148             }
1149
1150             url = normalizeUrlSuffix(url);
1151         }
1152         return (url != null ? url : "");
1153     }
1154
1155
1156     private String normalizeUrlSuffix(String url) {
1157         if (url.endsWith("/")) {
1158             url = url.substring(0, url.length() - 1);
1159         }
1160         url = trimUrlWebdav(url);
1161         return url;
1162     }
1163
1164
1165     // TODO remove, if possible
1166     private String trimUrlWebdav(String url){
1167         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){
1168             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length());
1169         } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){
1170             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length());
1171         } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){
1172             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length());
1173         }
1174         return (url != null ? url : "");
1175     }
1176
1177
1178     /**
1179      * Chooses the right icon and text to show to the user for the received operation result.
1180      *
1181      * @param result    Result of a remote operation performed in this activity
1182      */
1183     private void updateServerStatusIconAndText(RemoteOperationResult result) {
1184         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1185
1186         switch (result.getCode()) {
1187         case OK_SSL:
1188             mServerStatusIcon = android.R.drawable.ic_secure;
1189             mServerStatusText = R.string.auth_secure_connection;
1190             break;
1191
1192         case OK_NO_SSL:
1193         case OK:
1194             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1195                 mServerStatusText = R.string.auth_connection_established;
1196                 mServerStatusIcon = R.drawable.ic_ok;
1197             } else {
1198                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1199                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
1200             }
1201             break;
1202
1203         case NO_NETWORK_CONNECTION:
1204             mServerStatusIcon = R.drawable.no_network;
1205             mServerStatusText = R.string.auth_no_net_conn_title;
1206             break;
1207
1208         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1209             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1210             break;
1211         case BAD_OC_VERSION:
1212             mServerStatusText = R.string.auth_bad_oc_version_title;
1213             break;
1214         case WRONG_CONNECTION:
1215             mServerStatusText = R.string.auth_wrong_connection_title;
1216             break;
1217         case TIMEOUT:
1218             mServerStatusText = R.string.auth_timeout_title;
1219             break;
1220         case INCORRECT_ADDRESS:
1221             mServerStatusText = R.string.auth_incorrect_address_title;
1222             break;
1223         case SSL_ERROR:
1224             mServerStatusText = R.string.auth_ssl_general_error_title;
1225             break;
1226         case UNAUTHORIZED:
1227             mServerStatusText = R.string.auth_unauthorized;
1228             break;
1229         case HOST_NOT_AVAILABLE:
1230             mServerStatusText = R.string.auth_unknown_host_title;
1231             break;
1232         case INSTANCE_NOT_CONFIGURED:
1233             mServerStatusText = R.string.auth_not_configured_title;
1234             break;
1235         case FILE_NOT_FOUND:
1236             mServerStatusText = R.string.auth_incorrect_path_title;
1237             break;
1238         case OAUTH2_ERROR:
1239             mServerStatusText = R.string.auth_oauth_error;
1240             break;
1241         case OAUTH2_ERROR_ACCESS_DENIED:
1242             mServerStatusText = R.string.auth_oauth_error_access_denied;
1243             break;
1244         case UNHANDLED_HTTP_CODE:
1245         case UNKNOWN_ERROR:
1246             mServerStatusText = R.string.auth_unknown_error_title;
1247             break;
1248         case OK_REDIRECT_TO_NON_SECURE_CONNECTION:
1249             mServerStatusIcon = android.R.drawable.ic_partial_secure;
1250             mServerStatusText = R.string.auth_redirect_non_secure_connection_title;
1251             break;
1252         default:
1253             mServerStatusText = 0;
1254             mServerStatusIcon = 0;
1255         }
1256     }
1257
1258
1259     /**
1260      * Chooses the right icon and text to show to the user for the received operation result.
1261      *
1262      * @param result    Result of a remote operation performed in this activity
1263      */
1264     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1265         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1266
1267         switch (result.getCode()) {
1268         case OK_SSL:
1269             mAuthStatusIcon = android.R.drawable.ic_secure;
1270             mAuthStatusText = R.string.auth_secure_connection;
1271             break;
1272
1273         case OK_NO_SSL:
1274         case OK:
1275             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1276                 mAuthStatusText = R.string.auth_connection_established;
1277                 mAuthStatusIcon = R.drawable.ic_ok;
1278             } else {
1279                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1280                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
1281             }
1282             break;
1283
1284         case NO_NETWORK_CONNECTION:
1285             mAuthStatusIcon = R.drawable.no_network;
1286             mAuthStatusText = R.string.auth_no_net_conn_title;
1287             break;
1288
1289         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1290             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1291             break;
1292         case BAD_OC_VERSION:
1293             mAuthStatusText = R.string.auth_bad_oc_version_title;
1294             break;
1295         case WRONG_CONNECTION:
1296             mAuthStatusText = R.string.auth_wrong_connection_title;
1297             break;
1298         case TIMEOUT:
1299             mAuthStatusText = R.string.auth_timeout_title;
1300             break;
1301         case INCORRECT_ADDRESS:
1302             mAuthStatusText = R.string.auth_incorrect_address_title;
1303             break;
1304         case SSL_ERROR:
1305             mAuthStatusText = R.string.auth_ssl_general_error_title;
1306             break;
1307         case UNAUTHORIZED:
1308             mAuthStatusText = R.string.auth_unauthorized;
1309             break;
1310         case HOST_NOT_AVAILABLE:
1311             mAuthStatusText = R.string.auth_unknown_host_title;
1312             break;
1313         case INSTANCE_NOT_CONFIGURED:
1314             mAuthStatusText = R.string.auth_not_configured_title;
1315             break;
1316         case FILE_NOT_FOUND:
1317             mAuthStatusText = R.string.auth_incorrect_path_title;
1318             break;
1319         case OAUTH2_ERROR:
1320             mAuthStatusText = R.string.auth_oauth_error;
1321             break;
1322         case OAUTH2_ERROR_ACCESS_DENIED:
1323             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1324             break;
1325         case ACCOUNT_NOT_NEW:
1326             mAuthStatusText = R.string.auth_account_not_new;
1327             break;
1328         case ACCOUNT_NOT_THE_SAME:
1329             mAuthStatusText = R.string.auth_account_not_the_same;
1330             break;
1331         case UNHANDLED_HTTP_CODE:
1332         case UNKNOWN_ERROR:
1333             mAuthStatusText = R.string.auth_unknown_error_title;
1334             break;
1335         default:
1336             mAuthStatusText = 0;
1337             mAuthStatusIcon = 0;
1338         }
1339     }
1340
1341
1342     private void updateStatusIconFailUserName(){
1343         mAuthStatusIcon = R.drawable.common_error;
1344         mAuthStatusText = R.string.auth_fail_get_user_name;
1345     }
1346
1347     private void updateServerStatusIconNoRegularAuth(){
1348         mServerStatusIcon = R.drawable.common_error;
1349         mServerStatusText = R.string.auth_can_not_auth_against_server;
1350     }
1351
1352     /**
1353      * Processes the result of the request for and access token send
1354      * to an OAuth authorization server.
1355      *
1356      * @param result        Result of the operation.
1357      */
1358     private void onGetOAuthAccessTokenFinish(RemoteOperationResult result) {
1359         mWaitingForOpId = Long.MAX_VALUE;
1360         dismissDialog(WAIT_DIALOG_TAG);
1361
1362         if (result.isSuccess()) {
1363             /// be gentle with the user
1364             IndeterminateProgressDialog dialog =
1365                     IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
1366             dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
1367
1368             /// time to test the retrieved access token on the ownCloud server
1369             @SuppressWarnings("unchecked")
1370             Map<String, String> tokens = (Map<String, String>)(result.getData().get(0));
1371             mAuthToken = tokens.get(OAuth2Constants.KEY_ACCESS_TOKEN);
1372             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1373
1374             accessRootFolderRemoteOperation("", "");
1375
1376         } else {
1377             updateAuthStatusIconAndText(result);
1378             showAuthStatus();
1379             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1380         }
1381     }
1382
1383
1384     /**
1385      * Processes the result of the access check performed to try the user credentials.
1386      *
1387      * Creates a new account through the AccountManager.
1388      *
1389      * @param result        Result of the operation.
1390      */
1391     private void onAuthorizationCheckFinish(RemoteOperationResult result) {
1392         mWaitingForOpId = Long.MAX_VALUE;
1393         dismissDialog(WAIT_DIALOG_TAG);
1394
1395         if (result.isSuccess()) {
1396             Log_OC.d(TAG, "Successful access - time to save the account");
1397
1398             boolean success = false;
1399             if (mAction == ACTION_CREATE) {
1400                 success = createAccount();
1401
1402             } else {
1403                 try {
1404                     updateAccountAuthentication();
1405                     success = true;
1406
1407                 } catch (AccountNotFoundException e) {
1408                     Log_OC.e(TAG, "Account " + mAccount + " was removed!", e);
1409                     Toast.makeText(this, R.string.auth_account_does_not_exist, Toast.LENGTH_SHORT).show();
1410                     finish();
1411                 }
1412             }
1413
1414             if (success) {
1415                 finish();
1416             }
1417
1418         } else if (result.isServerFail() || result.isException()) {
1419             /// server errors or exceptions in authorization take to requiring a new check of
1420             /// the server
1421             mServerIsChecked = true;
1422             mServerIsValid = false;
1423             mServerInfo = new GetServerInfoOperation.ServerInfo();
1424
1425             // update status icon and text
1426             updateServerStatusIconAndText(result);
1427             showServerStatus();
1428             mAuthStatusIcon = 0;
1429             mAuthStatusText = 0;
1430             showAuthStatus();
1431
1432             // update input controls state
1433             showRefreshButton(true);
1434             mOkButton.setEnabled(false);
1435
1436             // very special case (TODO: move to a common place for all the remote operations)
1437             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1438                 showUntrustedCertDialog(result);
1439             }
1440
1441         } else {    // authorization fail due to client side - probably wrong credentials
1442             updateAuthStatusIconAndText(result);
1443             showAuthStatus();
1444             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1445         }
1446     }
1447
1448
1449
1450
1451     /**
1452      * Updates the authentication token.
1453      *
1454      * Sets the proper response so that the AccountAuthenticator that started this activity
1455      * saves a new authorization token for mAccount.
1456      *
1457      * Kills the session kept by OwnCloudClientManager so that a new one will created with
1458      * the new credentials when needed.
1459      */
1460     private void updateAccountAuthentication() throws AccountNotFoundException {
1461
1462 //        OwnCloudClientManagerFactory.getDefaultSingleton().removeClientFor(
1463 //                new OwnCloudAccount(mAccount, this)
1464 //        );
1465
1466         Bundle response = new Bundle();
1467         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1468         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1469
1470         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
1471                 equals(mAuthTokenType)) {
1472             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1473             // the next line is necessary, notifications are calling directly to the
1474             // AuthenticatorActivity to update, without AccountManager intervention
1475             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1476
1477         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1478                 equals(mAuthTokenType)) {
1479
1480             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1481             // the next line is necessary; by now, notifications are calling directly to the
1482             // AuthenticatorActivity to update, without AccountManager intervention
1483             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1484
1485         } else {
1486             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1487             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1488         }
1489         setAccountAuthenticatorResult(response);
1490
1491     }
1492
1493
1494     /**
1495      * Creates a new account through the Account Authenticator that started this activity.
1496      *
1497      * This makes the account permanent.
1498      *
1499      * TODO Decide how to name the OAuth accounts
1500      */
1501     private boolean createAccount() {
1502         /// create and save new ownCloud account
1503         boolean isOAuth = AccountTypeUtils.
1504                 getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1505         boolean isSaml =  AccountTypeUtils.
1506                 getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1507
1508         Uri uri = Uri.parse(mServerInfo.mBaseUrl);
1509         String username = mUsernameInput.getText().toString().trim();
1510         if (isOAuth) {
1511             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1512         }
1513         String accountName = com.owncloud.android.lib.common.accounts.AccountUtils.
1514                 buildAccountName(uri, username);
1515         Account newAccount = new Account(accountName, MainApp.getAccountType());
1516         if (AccountUtils.exists(newAccount, getApplicationContext())) {
1517             // fail - not a new account, but an existing one; disallow
1518             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1519             updateAuthStatusIconAndText(result);
1520             showAuthStatus();
1521             Log_OC.d(TAG, result.getLogMessage());
1522             return false;
1523
1524         } else {
1525             mAccount = newAccount;
1526
1527             if (isOAuth || isSaml) {
1528                 // with external authorizations, the password is never input in the app
1529                 mAccountMgr.addAccountExplicitly(mAccount, "", null);
1530             } else {
1531                 mAccountMgr.addAccountExplicitly(
1532                         mAccount, mPasswordInput.getText().toString(), null
1533                 );
1534             }
1535
1536             /// add the new account as default in preferences, if there is none already
1537             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1538             if (defaultAccount == null) {
1539                 SharedPreferences.Editor editor = PreferenceManager
1540                         .getDefaultSharedPreferences(this).edit();
1541                 editor.putString("select_oc_account", accountName);
1542                 editor.commit();
1543             }
1544
1545             /// prepare result to return to the Authenticator
1546             //  TODO check again what the Authenticator makes with it; probably has the same
1547             //  effect as addAccountExplicitly, but it's not well done
1548             final Intent intent = new Intent();
1549             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1550             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1551             /*if (!isOAuth)
1552                 intent.putExtra(AccountManager.KEY_AUTHTOKEN,   MainApp.getAccountType()); */
1553             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1554             if (isOAuth || isSaml) {
1555                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1556             }
1557             /// add user data to the new account; TODO probably can be done in the last parameter
1558             //      addAccountExplicitly, or in KEY_USERDATA
1559             mAccountMgr.setUserData(
1560                     mAccount, Constants.KEY_OC_VERSION,    mServerInfo.mVersion.getVersion()
1561             );
1562             mAccountMgr.setUserData(
1563                     mAccount, Constants.KEY_OC_BASE_URL,   mServerInfo.mBaseUrl
1564             );
1565
1566             if (isSaml) {
1567                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1568             } else if (isOAuth) {
1569                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1570             }
1571
1572             setAccountAuthenticatorResult(intent.getExtras());
1573             setResult(RESULT_OK, intent);
1574
1575             return true;
1576         }
1577     }
1578
1579
1580     /**
1581      * Starts and activity to open the 'new account' page in the ownCloud web site
1582      *
1583      * @param view      'Account register' button
1584      */
1585     public void onRegisterClick(View view) {
1586         Intent register = new Intent(
1587                 Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url))
1588         );
1589         setResult(RESULT_CANCELED);
1590         startActivity(register);
1591     }
1592
1593
1594     /**
1595      * Updates the content and visibility state of the icon and text associated
1596      * to the last check on the ownCloud server.
1597      *
1598      */
1599     private void showServerStatus() {
1600         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1601             mServerStatusView.setVisibility(View.INVISIBLE);
1602
1603         } else {
1604             mServerStatusView.setText(mServerStatusText);
1605             mServerStatusView.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1606             mServerStatusView.setVisibility(View.VISIBLE);
1607         }
1608
1609     }
1610
1611
1612     /**
1613      * Updates the content and visibility state of the icon and text associated
1614      * to the interactions with the OAuth authorization server.
1615      */
1616     private void showAuthStatus() {
1617         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1618             mAuthStatusView.setVisibility(View.INVISIBLE);
1619
1620         } else {
1621             mAuthStatusView.setText(mAuthStatusText);
1622             mAuthStatusView.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1623             mAuthStatusView.setVisibility(View.VISIBLE);
1624         }
1625     }
1626
1627
1628     private void showRefreshButton (boolean show) {
1629         if (show)  {
1630             mRefreshButton.setVisibility(View.VISIBLE);
1631         } else {
1632             mRefreshButton.setVisibility(View.GONE);
1633         }
1634     }
1635
1636     /**
1637      * Called when the refresh button in the input field for ownCloud host is clicked.
1638      *
1639      * Performs a new check on the URL in the input field.
1640      *
1641      * @param view      Refresh 'button'
1642      */
1643     public void onRefreshClick(View view) {
1644         checkOcServer();
1645     }
1646
1647
1648     /**
1649      * Called when the eye icon in the password field is clicked.
1650      *
1651      * Toggles the visibility of the password in the field.
1652      */
1653     public void onViewPasswordClick() {
1654         int selectionStart = mPasswordInput.getSelectionStart();
1655         int selectionEnd = mPasswordInput.getSelectionEnd();
1656         if (isPasswordVisible()) {
1657             hidePassword();
1658         } else {
1659             showPassword();
1660         }
1661         mPasswordInput.setSelection(selectionStart, selectionEnd);
1662     }
1663
1664
1665     /**
1666      * Called when the checkbox for OAuth authorization is clicked.
1667      *
1668      * Hides or shows the input fields for user & password.
1669      *
1670      * @param view      'View password' 'button'
1671      */
1672     public void onCheckClick(View view) {
1673         CheckBox oAuth2Check = (CheckBox)view;
1674         if (oAuth2Check.isChecked()) {
1675             mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1676         } else {
1677             mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1678         }
1679         updateAuthenticationPreFragmentVisibility();
1680     }
1681
1682
1683     /**
1684      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1685      *
1686      *  Used to trigger the authentication check when the user presses 'enter' after writing the
1687      *  password, or to throw the server test when the only field on screen is the URL input field.
1688      */
1689     @Override
1690     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1691         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null &&
1692                 inputField.equals(mPasswordInput)) {
1693             if (mOkButton.isEnabled()) {
1694                 mOkButton.performClick();
1695             }
1696
1697         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null &&
1698                 inputField.equals(mHostUrlInput)) {
1699             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1700                     equals(mAuthTokenType)) {
1701                 checkOcServer();
1702             }
1703         }
1704         return false;   // always return false to grant that the software keyboard is hidden anyway
1705     }
1706
1707
1708     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1709
1710         private int fuzz = 75;
1711
1712         /**
1713          * {@inheritDoc}
1714          */
1715         @Override
1716         public boolean onTouch(View view, MotionEvent event) {
1717             Drawable rightDrawable = null;
1718             if (view instanceof TextView) {
1719                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1720                 if (drawables.length > 2) {
1721                     rightDrawable = drawables[2];
1722                 }
1723             }
1724             if (rightDrawable != null) {
1725                 final int x = (int) event.getX();
1726                 final int y = (int) event.getY();
1727                 final Rect bounds = rightDrawable.getBounds();
1728                 if (    x >= (view.getRight() - bounds.width() - fuzz) &&
1729                         x <= (view.getRight() - view.getPaddingRight() + fuzz) &&
1730                         y >= (view.getPaddingTop() - fuzz) &&
1731                         y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1732
1733                     return onDrawableTouch(event);
1734                 }
1735             }
1736             return false;
1737         }
1738
1739         public abstract boolean onDrawableTouch(final MotionEvent event);
1740     }
1741
1742
1743     private void getRemoteUserNameOperation(String sessionCookie, boolean followRedirects) {
1744
1745         Intent getUserNameIntent = new Intent();
1746         getUserNameIntent.setAction(OperationsService.ACTION_GET_USER_NAME);
1747         getUserNameIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mServerInfo.mBaseUrl);
1748         getUserNameIntent.putExtra(OperationsService.EXTRA_COOKIE, sessionCookie);
1749
1750         if (mOperationsServiceBinder != null) {
1751             //Log_OC.wtf(TAG, "starting getRemoteUserNameOperation..." );
1752             mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getUserNameIntent);
1753         }
1754     }
1755
1756
1757     @Override
1758     public void onSsoFinished(String sessionCookie) {
1759         if (sessionCookie != null && sessionCookie.length() > 0) {
1760             Log_OC.d(TAG, "Successful SSO - time to save the account");
1761             mAuthToken = sessionCookie;
1762             getRemoteUserNameOperation(sessionCookie, true);
1763             Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1764             if (fd != null && fd instanceof SherlockDialogFragment) {
1765                 Dialog d = ((SherlockDialogFragment)fd).getDialog();
1766                 if (d != null && d.isShowing()) {
1767                     d.dismiss();
1768                 }
1769             }
1770
1771         } else {
1772             // TODO - show fail
1773             Log_OC.d(TAG, "SSO failed");
1774         }
1775
1776     }
1777
1778     @Override
1779     public boolean onTouchEvent(MotionEvent event) {
1780         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1781                 equals(mAuthTokenType) &&
1782                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1783             checkOcServer();
1784         }
1785         return super.onTouchEvent(event);
1786     }
1787
1788
1789     /**
1790      * Show untrusted cert dialog
1791      */
1792     public void showUntrustedCertDialog(
1793             X509Certificate x509Certificate, SslError error, SslErrorHandler handler
1794         ) {
1795         // Show a dialog with the certificate info
1796         SslUntrustedCertDialog dialog = null;
1797         if (x509Certificate == null) {
1798             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
1799         } else {
1800             dialog = SslUntrustedCertDialog.
1801                     newInstanceForFullSslError(x509Certificate, error, handler);
1802         }
1803         FragmentManager fm = getSupportFragmentManager();
1804         FragmentTransaction ft = fm.beginTransaction();
1805         ft.addToBackStack(null);
1806         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1807     }
1808
1809
1810     /**
1811      * Show untrusted cert dialog
1812      */
1813     private void showUntrustedCertDialog(RemoteOperationResult result) {
1814         // Show a dialog with the certificate info
1815         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.
1816                 newInstanceForFullSslError((CertificateCombinedException)result.getException());
1817         FragmentManager fm = getSupportFragmentManager();
1818         FragmentTransaction ft = fm.beginTransaction();
1819         ft.addToBackStack(null);
1820         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1821
1822     }
1823
1824     /**
1825      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1826      */
1827     public void onSavedCertificate() {
1828         Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1829         if (fd == null) {
1830             // if SAML dialog is not shown,
1831             // the SslDialog was shown due to an SSL error in the server check
1832             checkOcServer();
1833         }
1834     }
1835
1836     /**
1837      * Called from SslValidatorDialog when a new server certificate could not be saved
1838      * when the user requested it.
1839      */
1840     @Override
1841     public void onFailedSavingCertificate() {
1842         dismissDialog(SAML_DIALOG_TAG);
1843         Toast.makeText(this, R.string.ssl_validator_not_saved, Toast.LENGTH_LONG).show();
1844     }
1845
1846     @Override
1847     public void onCancelCertificate() {
1848         dismissDialog(SAML_DIALOG_TAG);
1849     }
1850
1851
1852     private void doOnResumeAndBound() {
1853         //Log_OC.wtf(TAG, "registering to listen for operation callbacks" );
1854         mOperationsServiceBinder.addOperationListener(AuthenticatorActivity.this, mHandler);
1855         if (mWaitingForOpId <= Integer.MAX_VALUE) {
1856             mOperationsServiceBinder.dispatchResultIfFinished((int)mWaitingForOpId, this);
1857         }
1858
1859         if (mPendingAutoCheck) {
1860             checkOcServer();
1861         }
1862     }
1863
1864
1865     private void dismissDialog(String dialogTag){
1866         Fragment frag = getSupportFragmentManager().findFragmentByTag(dialogTag);
1867         if (frag != null && frag instanceof SherlockDialogFragment) {
1868             SherlockDialogFragment dialog = (SherlockDialogFragment) frag;
1869             dialog.dismiss();
1870         }
1871     }
1872
1873
1874     /**
1875      * Implements callback methods for service binding.
1876      */
1877     private class OperationsServiceConnection implements ServiceConnection {
1878
1879         @Override
1880         public void onServiceConnected(ComponentName component, IBinder service) {
1881             if (component.equals(
1882                     new ComponentName(AuthenticatorActivity.this, OperationsService.class)
1883                 )) {
1884                 //Log_OC.wtf(TAG, "Operations service connected");
1885                 mOperationsServiceBinder = (OperationsServiceBinder) service;
1886
1887                 doOnResumeAndBound();
1888
1889             } else {
1890                 return;
1891             }
1892
1893         }
1894
1895         @Override
1896         public void onServiceDisconnected(ComponentName component) {
1897             if (component.equals(
1898                     new ComponentName(AuthenticatorActivity.this, OperationsService.class)
1899                 )) {
1900                 Log_OC.e(TAG, "Operations service crashed");
1901                 mOperationsServiceBinder = null;
1902             }
1903         }
1904
1905     }
1906
1907     /**
1908      * Create and show dialog for request authentication to the user
1909      * @param webView
1910      * @param handler
1911      */
1912     public void createAuthenticationDialog(WebView webView, HttpAuthHandler handler) {
1913
1914         // Show a dialog with the certificate info
1915         CredentialsDialogFragment dialog =
1916                 CredentialsDialogFragment.newInstanceForCredentials(webView, handler);
1917         FragmentManager fm = getSupportFragmentManager();
1918         FragmentTransaction ft = fm.beginTransaction();
1919         ft.addToBackStack(null);
1920         dialog.setCancelable(false);
1921         dialog.show(ft, CREDENTIALS_DIALOG_TAG);
1922
1923         if (!mIsFirstAuthAttempt) {
1924             Toast.makeText(
1925                     getApplicationContext(),
1926                     getText(R.string.saml_authentication_wrong_pass),
1927                     Toast.LENGTH_LONG
1928             ).show();
1929         } else {
1930             mIsFirstAuthAttempt = false;
1931         }
1932     }
1933
1934     /**
1935      * For retrieving the clicking on authentication cancel button
1936      */
1937     public void doNegativeAuthenticatioDialogClick(){
1938         mIsFirstAuthAttempt = true;
1939     }
1940
1941
1942     @Override
1943     public void onAuthenticatorTaskCallback(RemoteOperationResult result) {
1944         //Log_OC.wtf(TAG, "received detection response through callback" );
1945         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1946                 equals(mAuthTokenType)) {
1947             onSamlBasedFederatedSingleSignOnAuthorizationStart(result);
1948
1949         } else {
1950             onAuthorizationCheckFinish(result);
1951         }
1952     }
1953 }