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
 235
 236         /// load user interface
 237         setContentView(R.layout.account_setup);
 238
 239         /// initialize general UI elements
 240         initOverallUi(savedInstanceState);
 241
 242         mOkButton = findViewById(R.id.buttonOK);
 243
 244         /// initialize block to be moved to single Fragment to check server and get info about it
 245         initServerPreFragment(savedInstanceState);
 246
 247         /// initialize block to be moved to single Fragment to retrieve and validate credentials
 248         initAuthorizationPreFragment(savedInstanceState);
 249
 250         //Log_OC.wtf(TAG,  "onCreate end");
 251     }
 252
 253     private void initAuthTokenType() {
 254         mAuthTokenType =
 255                 getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 256         if (mAuthTokenType == null) {
 257             if (mAccount != null) {
 258                 boolean oAuthRequired =
 259                     (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2) != null);
 260                 boolean samlWebSsoRequired = (
 261                     mAccountMgr.getUserData(
 262                         mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO
 263                     ) != null
 264                 );
 265                 mAuthTokenType = chooseAuthTokenType(oAuthRequired, samlWebSsoRequired);
 266
 267             } else {
 268                 boolean oAuthSupported = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
 269                 boolean samlWebSsoSupported =
 270                         AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));
 271                 mAuthTokenType = chooseAuthTokenType(oAuthSupported, samlWebSsoSupported);
 272             }
 273         }
 274     }
 275
 276     private String chooseAuthTokenType(boolean oauth, boolean saml) {
 277         if (saml) {
 278             return AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 279         } else if (oauth) {
 280              return AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
 281         } else {
 282             return AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 283         }
 284     }
 285
 286
 287     /**
 288      * Configures elements in the user interface under direct control of the Activity.
 289      *
 290      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 291      */
 292     private void initOverallUi(Bundle savedInstanceState) {
 293
 294         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 295         boolean isWelcomeLinkVisible = getResources().getBoolean(R.bool.show_welcome_link);
 296
 297         String instructionsMessageText = null;
 298         if (mAction == ACTION_UPDATE_EXPIRED_TOKEN) {
 299             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType())
 300                     .equals(mAuthTokenType)) {
 301                 instructionsMessageText = getString(R.string.auth_expired_oauth_token_toast);
 302
 303             } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType())
 304                     .equals(mAuthTokenType)) {
 305                 instructionsMessageText = getString(R.string.auth_expired_saml_sso_token_toast);
 306
 307             } else {
 308                 instructionsMessageText = getString(R.string.auth_expired_basic_auth_toast);
 309             }
 310         }
 311
 312         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 313         Button welcomeLink = (Button) findViewById(R.id.welcome_link);
 314         welcomeLink.setVisibility(isWelcomeLinkVisible ? View.VISIBLE : View.GONE);
 315         welcomeLink.setText(
 316                 String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 317
 318         TextView instructionsView = (TextView) findViewById(R.id.instructions_message);
 319         if (instructionsMessageText != null) {
 320             instructionsView.setVisibility(View.VISIBLE);
 321             instructionsView.setText(instructionsMessageText);
 322         } else {
 323             instructionsView.setVisibility(View.GONE);
 324         }
 325     }
 326
 327
 328     /**
 329      *
 330      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 331      */
 332     private void initServerPreFragment(Bundle savedInstanceState) {
 333
 334         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 335         boolean isUrlInputAllowed = getResources().getBoolean(R.bool.show_server_url_input);
 336         if (savedInstanceState == null) {
 337             if (mAccount != null) {
 338                 mServerInfo.mBaseUrl = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_BASE_URL);
 339                 // TODO do next in a setter for mBaseUrl
 340                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");
 341                 String ocVersion = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION);
 342                 if (ocVersion != null) {
 343                     mServerInfo.mVersion = new OwnCloudVersion(ocVersion);
 344                 }
 345             } else {
 346                 mServerInfo.mBaseUrl = getString(R.string.server_url).trim();
 347                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");
 348             }
 349         } else {
 350             mServerStatusText = savedInstanceState.getInt(KEY_SERVER_STATUS_TEXT);
 351             mServerStatusIcon = savedInstanceState.getInt(KEY_SERVER_STATUS_ICON);
 352
 353             mServerIsValid = savedInstanceState.getBoolean(KEY_SERVER_VALID);
 354             mServerIsChecked = savedInstanceState.getBoolean(KEY_SERVER_CHECKED);
 355
 356             // TODO parcelable
 357             mServerInfo.mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 358             mServerInfo.mBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 359             String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 360             if (ocVersion != null) {
 361                 mServerInfo.mVersion = new OwnCloudVersion(ocVersion);
 362             }
 363             mServerInfo.mAuthMethod = AuthenticationMethod.valueOf(
 364                     savedInstanceState.getString(KEY_SERVER_AUTH_METHOD));
 365
 366         }
 367
 368         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 369         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 370         // Convert IDN to Unicode
 371         mHostUrlInput.setText(DisplayUtils.convertIdn(mServerInfo.mBaseUrl, false));
 372         if (mAction != ACTION_CREATE) {
 373             /// lock things that should not change
 374             mHostUrlInput.setEnabled(false);
 375             mHostUrlInput.setFocusable(false);
 376         }
 377         if (isUrlInputAllowed) {
 378             mRefreshButton = findViewById(R.id.embeddedRefreshButton);
 379         } else {
 380             findViewById(R.id.hostUrlFrame).setVisibility(View.GONE);
 381             mRefreshButton = findViewById(R.id.centeredRefreshButton);
 382         }
 383         showRefreshButton(mServerIsChecked && !mServerIsValid &&
 384                 mWaitingForOpId > Integer.MAX_VALUE);
 385         mServerStatusView = (TextView) findViewById(R.id.server_status_text);
 386         showServerStatus();
 387
 388         /// step 3 - bind some listeners and options
 389         mHostUrlInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 390         mHostUrlInput.setOnEditorActionListener(this);
 391
 392         /// step 4 - create listeners that will be bound at onResume
 393         mHostUrlInputWatcher = new TextWatcher() {
 394
 395             @Override
 396             public void afterTextChanged(Editable s) {
 397                 if (mOkButton.isEnabled() &&
 398                         !mServerInfo.mBaseUrl.equals(
 399                                 normalizeUrl(s.toString(), mServerInfo.mIsSslConn))) {
 400                     mOkButton.setEnabled(false);
 401                 }
 402             }
 403
 404             @Override
 405             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 406             }
 407
 408             @Override
 409             public void onTextChanged(CharSequence s, int start, int before, int count) {
 410                 if (mAuthStatusIcon != 0) {
 411                     Log_OC.d(TAG, "onTextChanged: hiding authentication status");
 412                     mAuthStatusIcon = 0;
 413                     mAuthStatusText = 0;
 414                     showAuthStatus();
 415                 }
 416             }
 417         };
 418
 419
 420         // TODO find out if this is really necessary, or if it can done in a different way
 421         findViewById(R.id.scroll).setOnTouchListener(new OnTouchListener() {
 422             @Override
 423             public boolean onTouch(View view, MotionEvent event) {
 424                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 425                     if (
 426                             AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(
 427                                     MainApp.getAccountType()
 428                             ).equals(mAuthTokenType) &&
 429                                     mHostUrlInput.hasFocus()
 430                             ) {
 431                         checkOcServer();
 432                     }
 433                 }
 434                 return false;
 435             }
 436         });
 437
 438
 439         /// step 4 - mark automatic check to be started when OperationsService is ready
 440         mPendingAutoCheck = (savedInstanceState == null &&
 441                 (mAction != ACTION_CREATE || !isUrlInputAllowed));
 442     }
 443
 444
 445     /**
 446      *
 447      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 448      */
 449     private void initAuthorizationPreFragment(Bundle savedInstanceState) {
 450
 451         /// step 0 - get UI elements in layout
 452         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 453         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 454         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 455         mUsernameInput = (EditText) findViewById(R.id.account_username);
 456         mPasswordInput = (EditText) findViewById(R.id.account_password);
 457         mAuthStatusView = (TextView) findViewById(R.id.auth_status_text);
 458
 459         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 460         String presetUserName = null;
 461         boolean isPasswordExposed = false;
 462         if (savedInstanceState == null) {
 463             if (mAccount != null) {
 464                 presetUserName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 465             }
 466
 467         } else {
 468             isPasswordExposed = savedInstanceState.getBoolean(KEY_PASSWORD_EXPOSED, false);
 469             mAuthStatusText = savedInstanceState.getInt(KEY_AUTH_STATUS_TEXT);
 470             mAuthStatusIcon = savedInstanceState.getInt(KEY_AUTH_STATUS_ICON);
 471             mAuthToken = savedInstanceState.getString(KEY_AUTH_TOKEN);
 472         }
 473
 474         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 475         mOAuth2Check.setChecked(
 476                 AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType())
 477                     .equals(mAuthTokenType));
 478         if (presetUserName != null) {
 479             mUsernameInput.setText(presetUserName);
 480         }
 481         if (mAction != ACTION_CREATE) {
 482             mUsernameInput.setEnabled(false);
 483             mUsernameInput.setFocusable(false);
 484         }
 485         mPasswordInput.setText(""); // clean password to avoid social hacking
 486         if (isPasswordExposed) {
 487             showPassword();
 488         }
 489         updateAuthenticationPreFragmentVisibility();
 490         showAuthStatus();
 491         mOkButton.setEnabled(mServerIsValid);
 492
 493
 494         /// step 3 - bind listeners
 495         // bindings for password input field
 496         mPasswordInput.setOnFocusChangeListener(this);
 497         mPasswordInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
 498         mPasswordInput.setOnEditorActionListener(this);
 499         mPasswordInput.setOnTouchListener(new RightDrawableOnTouchListener() {
 500             @Override
 501             public boolean onDrawableTouch(final MotionEvent event) {
 502                 if (event.getAction() == MotionEvent.ACTION_UP) {
 503                     AuthenticatorActivity.this.onViewPasswordClick();
 504                 }
 505                 return true;
 506             }
 507         });
 508
 509     }
 510
 511
 512     /**
 513      * Changes the visibility of input elements depending on
 514      * the current authorization method.
 515      */
 516     private void updateAuthenticationPreFragmentVisibility () {
 517         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 518                 equals(mAuthTokenType)) {
 519             // SAML-based web Single Sign On
 520             mOAuth2Check.setVisibility(View.GONE);
 521             mOAuthAuthEndpointText.setVisibility(View.GONE);
 522             mOAuthTokenEndpointText.setVisibility(View.GONE);
 523             mUsernameInput.setVisibility(View.GONE);
 524             mPasswordInput.setVisibility(View.GONE);
 525
 526         } else {
 527             if (mAction == ACTION_CREATE &&
 528                     AUTH_OPTIONAL.equals(getString(R.string.auth_method_oauth2))) {
 529                 mOAuth2Check.setVisibility(View.VISIBLE);
 530             } else {
 531                 mOAuth2Check.setVisibility(View.GONE);
 532             }
 533
 534             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
 535                     equals(mAuthTokenType)) {
 536                 // OAuth 2 authorization
 537
 538                 mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
 539                 mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
 540                 mUsernameInput.setVisibility(View.GONE);
 541                 mPasswordInput.setVisibility(View.GONE);
 542
 543             } else {
 544                 // basic HTTP authorization
 545                 mOAuthAuthEndpointText.setVisibility(View.GONE);
 546                 mOAuthTokenEndpointText.setVisibility(View.GONE);
 547                 mUsernameInput.setVisibility(View.VISIBLE);
 548                 mPasswordInput.setVisibility(View.VISIBLE);
 549             }
 550         }
 551     }
 552
 553
 554
 555     /**
 556      * Saves relevant state before {@link #onPause()}
 557      *
 558      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag,
 559      * intended to defer the processing of the redirection caught in
 560      * {@link #onNewIntent(Intent)} until {@link #onResume()}
 561      *
 562      * See {@link #onSaveInstanceState(Bundle)}
 563      */
 564     @Override
 565     protected void onSaveInstanceState(Bundle outState) {
 566         //Log_OC.wtf(TAG, "onSaveInstanceState init" );
 567         super.onSaveInstanceState(outState);
 568
 569         /// global state
 570         outState.putString(KEY_AUTH_TOKEN_TYPE, mAuthTokenType);
 571         outState.putLong(KEY_WAITING_FOR_OP_ID, mWaitingForOpId);
 572
 573         /// Server PRE-fragment state
 574         outState.putInt(KEY_SERVER_STATUS_TEXT, mServerStatusText);
 575         outState.putInt(KEY_SERVER_STATUS_ICON, mServerStatusIcon);
 576         outState.putBoolean(KEY_SERVER_CHECKED, mServerIsChecked);
 577         outState.putBoolean(KEY_SERVER_VALID, mServerIsValid);
 578         outState.putBoolean(KEY_IS_SSL_CONN, mServerInfo.mIsSslConn);
 579         outState.putString(KEY_HOST_URL_TEXT, mServerInfo.mBaseUrl);
 580         if (mServerInfo.mVersion != null) {
 581             outState.putString(KEY_OC_VERSION, mServerInfo.mVersion.getVersion());
 582         }
 583         outState.putString(KEY_SERVER_AUTH_METHOD, mServerInfo.mAuthMethod.name());
 584
 585         /// Authentication PRE-fragment state
 586         outState.putBoolean(KEY_PASSWORD_EXPOSED, isPasswordVisible());
 587         outState.putInt(KEY_AUTH_STATUS_ICON, mAuthStatusIcon);
 588         outState.putInt(KEY_AUTH_STATUS_TEXT, mAuthStatusText);
 589         outState.putString(KEY_AUTH_TOKEN, mAuthToken);
 590
 591         /// authentication
 592         outState.putBoolean(KEY_AUTH_IS_FIRST_ATTEMPT_TAG, mIsFirstAuthAttempt);
 593
 594         /// AsyncTask (User and password)
 595         outState.putString(KEY_USERNAME, mUsernameInput.getText().toString());
 596         outState.putString(KEY_PASSWORD, mPasswordInput.getText().toString());
 597
 598         if (mAsyncTask != null) {
 599             mAsyncTask.cancel(true);
 600             outState.putBoolean(KEY_ASYNC_TASK_IN_PROGRESS, true);
 601         } else {
 602             outState.putBoolean(KEY_ASYNC_TASK_IN_PROGRESS, false);
 603         }
 604         mAsyncTask = null;
 605
 606         //Log_OC.wtf(TAG, "onSaveInstanceState end" );
 607     }
 608
 609     @Override
 610     public void onRestoreInstanceState(Bundle savedInstanceState) {
 611         super.onRestoreInstanceState(savedInstanceState);
 612
 613         // AsyncTask
 614         boolean inProgress = savedInstanceState.getBoolean(KEY_ASYNC_TASK_IN_PROGRESS);
 615         if (inProgress){
 616             mAsyncTask = new AuthenticatorAsyncTask(this);
 617             String username = savedInstanceState.getString(KEY_USERNAME);
 618             String password = savedInstanceState.getString(KEY_PASSWORD);
 619             String[] params = {mServerInfo.mBaseUrl, username, password, mAuthToken, mAuthTokenType};
 620             mAsyncTask.execute(params);
 621         }
 622     }
 623
 624     /**
 625      * The redirection triggered by the OAuth authentication server as response to the
 626      * GET AUTHORIZATION request is caught here.
 627      *
 628      * To make this possible, this activity needs to be qualified with android:launchMode =
 629      * "singleTask" in the AndroidManifest.xml file.
 630      */
 631     @Override
 632     protected void onNewIntent (Intent intent) {
 633         Log_OC.d(TAG, "onNewIntent()");
 634         Uri data = intent.getData();
 635         if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) {
 636             mNewCapturedUriFromOAuth2Redirection = data;
 637         }
 638     }
 639
 640
 641     /**
 642      * The redirection triggered by the OAuth authentication server as response to the
 643      * GET AUTHORIZATION, and deferred in {@link #onNewIntent(Intent)}, is processed here.
 644      */
 645     @Override
 646     protected void onResume() {
 647         //Log_OC.wtf(TAG, "onResume init" );
 648         super.onResume();
 649
 650         // bound here to avoid spurious changes triggered by Android on device rotations
 651         mHostUrlInput.setOnFocusChangeListener(this);
 652         mHostUrlInput.addTextChangedListener(mHostUrlInputWatcher);
 653
 654         if (mNewCapturedUriFromOAuth2Redirection != null) {
 655             getOAuth2AccessTokenFromCapturedRedirection();
 656         }
 657
 658         if (mOperationsServiceBinder != null) {
 659             doOnResumeAndBound();
 660         }
 661
 662         //Log_OC.wtf(TAG, "onResume end" );
 663     }
 664
 665
 666     @Override
 667     protected void onPause() {
 668         //Log_OC.wtf(TAG, "onPause init" );
 669         if (mOperationsServiceBinder != null) {
 670             //Log_OC.wtf(TAG, "unregistering to listen for operation callbacks" );
 671             mOperationsServiceBinder.removeOperationListener(this);
 672         }
 673
 674         mHostUrlInput.removeTextChangedListener(mHostUrlInputWatcher);
 675         mHostUrlInput.setOnFocusChangeListener(null);
 676
 677         super.onPause();
 678         //Log_OC.wtf(TAG, "onPause end" );
 679     }
 680
 681     @Override
 682     protected void onDestroy() {
 683
 684         mHostUrlInputWatcher = null;
 685
 686         if (mOperationsServiceConnection != null) {
 687             unbindService(mOperationsServiceConnection);
 688             mOperationsServiceBinder = null;
 689         }
 690         super.onDestroy();
 691     }
 692
 693
 694     /**
 695      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 696      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 697      */
 698     private void getOAuth2AccessTokenFromCapturedRedirection() {
 699         /// Parse data from OAuth redirection
 700         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 701         mNewCapturedUriFromOAuth2Redirection = null;
 702
 703         /// Showing the dialog with instructions for the user.
 704         IndeterminateProgressDialog dialog =
 705                 IndeterminateProgressDialog.newInstance(R.string.auth_getting_authorization, true);
 706         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 707
 708         /// GET ACCESS TOKEN to the oAuth server
 709         Intent getServerInfoIntent = new Intent();
 710         getServerInfoIntent.setAction(OperationsService.ACTION_OAUTH2_GET_ACCESS_TOKEN);
 711
 712         getServerInfoIntent.putExtra(
 713                 OperationsService.EXTRA_SERVER_URL,
 714                 mOAuthTokenEndpointText.getText().toString().trim());
 715
 716         getServerInfoIntent.putExtra(
 717                 OperationsService.EXTRA_OAUTH2_QUERY_PARAMETERS,
 718                 queryParameters);
 719
 720         if (mOperationsServiceBinder != null) {
 721             //Log_OC.wtf(TAG, "getting access token..." );
 722             mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getServerInfoIntent);
 723         }
 724     }
 725
 726
 727
 728     /**
 729      * Handles the change of focus on the text inputs for the server URL and the password
 730      */
 731     public void onFocusChange(View view, boolean hasFocus) {
 732         if (view.getId() == R.id.hostUrlInput) {
 733             if (!hasFocus) {
 734                 onUrlInputFocusLost((TextView) view);
 735             }
 736             else {
 737                 showRefreshButton(false);
 738             }
 739
 740         } else if (view.getId() == R.id.account_password) {
 741             onPasswordFocusChanged((TextView) view, hasFocus);
 742         }
 743     }
 744
 745
 746     /**
 747      * Handles changes in focus on the text input for the server URL.
 748      *
 749      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 750      * other field. The operation to check the existence of the server in the entered URL is
 751      * started.
 752      *
 753      * When hasFocus:    user 'comes back' to write again the server URL.
 754      *
 755      * @param hostInput     TextView with the URL input field receiving the change of focus.
 756      */
 757     private void onUrlInputFocusLost(TextView hostInput) {
 758         if (!mServerInfo.mBaseUrl.equals(
 759                 normalizeUrl(mHostUrlInput.getText().toString(), mServerInfo.mIsSslConn))) {
 760             // check server again only if the user changed something in the field
 761             checkOcServer();
 762         } else {
 763             mOkButton.setEnabled(mServerIsValid);
 764             showRefreshButton(!mServerIsValid);
 765         }
 766     }
 767
 768
 769     private void checkOcServer() {
 770         String uri = mHostUrlInput.getText().toString().trim();
 771         mServerIsValid = false;
 772         mServerIsChecked = false;
 773         mOkButton.setEnabled(false);
 774         mServerInfo = new GetServerInfoOperation.ServerInfo();
 775         showRefreshButton(false);
 776
 777         if (uri.length() != 0) {
 778             // Handle internationalized domain names
 779             uri = DisplayUtils.convertIdn(uri, true);
 780             mServerStatusText = R.string.auth_testing_connection;
 781             mServerStatusIcon = R.drawable.progress_small;
 782             showServerStatus();
 783
 784             Intent getServerInfoIntent = new Intent();
 785             getServerInfoIntent.setAction(OperationsService.ACTION_GET_SERVER_INFO);
 786             getServerInfoIntent.putExtra(
 787                 OperationsService.EXTRA_SERVER_URL,
 788                 normalizeUrlSuffix(uri)
 789             );
 790             if (mOperationsServiceBinder != null) {
 791                 mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getServerInfoIntent);
 792             } else {
 793               Log_OC.wtf(TAG, "Server check tried with OperationService unbound!" );
 794             }
 795
 796         } else {
 797             mServerStatusText = 0;
 798             mServerStatusIcon = 0;
 799             showServerStatus();
 800         }
 801     }
 802
 803
 804     /**
 805      * Handles changes in focus on the text input for the password (basic authorization).
 806      *
 807      * When (hasFocus), the button to toggle password visibility is shown.
 808      *
 809      * When (!hasFocus), the button is made invisible and the password is hidden.
 810      *
 811      * @param passwordInput    TextView with the password input field receiving the change of focus.
 812      * @param hasFocus          'True' if focus is received, 'false' if is lost
 813      */
 814     private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {
 815         if (hasFocus) {
 816             showViewPasswordButton();
 817         } else {
 818             hidePassword();
 819             hidePasswordButton();
 820         }
 821     }
 822
 823
 824     private void showViewPasswordButton() {
 825         int drawable = R.drawable.ic_view;
 826         if (isPasswordVisible()) {
 827             drawable = R.drawable.ic_hide;
 828         }
 829         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 830     }
 831
 832     private boolean isPasswordVisible() {
 833         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) ==
 834                 InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 835     }
 836
 837     private void hidePasswordButton() {
 838         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 839     }
 840
 841     private void showPassword() {
 842         mPasswordInput.setInputType(
 843                 InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD
 844         );
 845         showViewPasswordButton();
 846     }
 847
 848     private void hidePassword() {
 849         mPasswordInput.setInputType(
 850                 InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD
 851         );
 852         showViewPasswordButton();
 853     }
 854
 855     /**
 856      * Checks the credentials of the user in the root of the ownCloud server
 857      * before creating a new local account.
 858      *
 859      * For basic authorization, a check of existence of the root folder is
 860      * performed.
 861      *
 862      * For OAuth, starts the flow to get an access token; the credentials test
 863      * is postponed until it is available.
 864      *
 865      * IMPORTANT ENTRY POINT 4
 866      *
 867      * @param view      OK button
 868      */
 869     public void onOkClick(View view) {
 870         // this check should be unnecessary
 871         if (mServerInfo.mVersion == null ||
 872                 !mServerInfo.mVersion.isVersionValid()  ||
 873                 mServerInfo.mBaseUrl == null ||
 874                 mServerInfo.mBaseUrl.length() == 0) {
 875             mServerStatusIcon = R.drawable.common_error;
 876             mServerStatusText = R.string.auth_wtf_reenter_URL;
 877             showServerStatus();
 878             mOkButton.setEnabled(false);
 879             //Log_OC.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");
 880             return;
 881         }
 882
 883         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
 884                 equals(mAuthTokenType)) {
 885
 886             startOauthorization();
 887         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 888                 equals(mAuthTokenType)) {
 889
 890             startSamlBasedFederatedSingleSignOnAuthorization();
 891         } else {
 892             checkBasicAuthorization();
 893         }
 894     }
 895
 896
 897     /**
 898      * Tests the credentials entered by the user performing a check of existence on
 899      * the root folder of the ownCloud server.
 900      */
 901     private void checkBasicAuthorization() {
 902         /// get basic credentials entered by user
 903         String username = mUsernameInput.getText().toString();
 904         String password = mPasswordInput.getText().toString();
 905
 906         /// be gentle with the user
 907         IndeterminateProgressDialog dialog =
 908                 IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
 909         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 910
 911         /// validate credentials accessing the root folder
 912         accessRootFolderRemoteOperation(username, password);
 913
 914     }
 915
 916     private void accessRootFolderRemoteOperation(String username, String password) {
 917         // delete the account if the token has changed
 918         if (mAction == ACTION_UPDATE_TOKEN || mAction == ACTION_UPDATE_EXPIRED_TOKEN) {
 919             // Remove the cookies in AccountManager
 920             mAccountMgr.setUserData(mAccount, Constants.KEY_COOKIES, null);
 921         }
 922
 923         mAsyncTask = new AuthenticatorAsyncTask(this);
 924         String[] params = { mServerInfo.mBaseUrl, username, password, mAuthToken, mAuthTokenType};
 925         mAsyncTask.execute(params);
 926
 927     }
 928
 929     /**
 930      * Starts the OAuth 'grant type' flow to get an access token, with
 931      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 932      */
 933     private void startOauthorization() {
 934         // be gentle with the user
 935         mAuthStatusIcon = R.drawable.progress_small;
 936         mAuthStatusText = R.string.oauth_login_connection;
 937         showAuthStatus();
 938
 939         // GET AUTHORIZATION request
 940         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 941         Uri.Builder uriBuilder = uri.buildUpon();
 942         uriBuilder.appendQueryParameter(
 943                 OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type)
 944         );
 945         uriBuilder.appendQueryParameter(
 946                 OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri)
 947         );
 948         uriBuilder.appendQueryParameter(
 949                 OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id)
 950         );
 951         uriBuilder.appendQueryParameter(
 952                 OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope)
 953         );
 954         uri = uriBuilder.build();
 955         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 956         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 957         startActivity(i);
 958     }
 959
 960
 961     /**
 962      * Starts the Web Single Sign On flow to get access to the root folder
 963      * in the server.
 964      */
 965     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 966         // be gentle with the user
 967         mAuthStatusIcon = R.drawable.progress_small;
 968         mAuthStatusText = R.string.auth_connecting_auth_server;
 969         showAuthStatus();
 970         IndeterminateProgressDialog dialog =
 971                 IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
 972         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 973
 974         /// validate credentials accessing the root folder
 975         accessRootFolderRemoteOperation("", "");
 976
 977     }
 978
 979     /**
 980      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 981      *
 982      * Dispatches the operation flow to the right method.
 983      */
 984     @Override
 985     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 986
 987         if (operation instanceof GetServerInfoOperation) {
 988             if (operation.hashCode() == mWaitingForOpId) {
 989                 onGetServerInfoFinish(result);
 990             }   // else nothing ; only the last check operation is considered;
 991                 // multiple can be started if the user amends a URL quickly
 992
 993         } else if (operation instanceof OAuth2GetAccessToken) {
 994             onGetOAuthAccessTokenFinish(result);
 995
 996         } else if (operation instanceof ExistenceCheckRemoteOperation)  {
 997             // TODO : remove this response??
 998             //Log_OC.wtf(TAG, "received detection response through callback" );
 999             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1000                     equals(mAuthTokenType)) {
1001                 onSamlBasedFederatedSingleSignOnAuthorizationStart(result);
1002
1003             } else {
1004                 onAuthorizationCheckFinish(result);
1005             }
1006         } else if (operation instanceof GetRemoteUserNameOperation) {
1007             onGetUserNameFinish(result);
1008         }
1009
1010     }
1011
1012     private void onGetUserNameFinish(RemoteOperationResult result) {
1013         mWaitingForOpId = Long.MAX_VALUE;
1014         if (result.isSuccess()) {
1015             boolean success = false;
1016             String username = (String) result.getData().get(0);
1017
1018             if ( mAction == ACTION_CREATE) {
1019                 mUsernameInput.setText(username);
1020                 success = createAccount();
1021             } else {
1022
1023                 if (!mUsernameInput.getText().toString().equals(username)) {
1024                     // fail - not a new account, but an existing one; disallow
1025                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
1026                     mAuthToken = "";
1027                     updateAuthStatusIconAndText(result);
1028                     showAuthStatus();
1029                     Log_OC.d(TAG, result.getLogMessage());
1030                 } else {
1031                     try {
1032                         updateAccountAuthentication();
1033                         success = true;
1034
1035                     } catch (AccountNotFoundException e) {
1036                         Log_OC.e(TAG, "Account " + mAccount + " was removed!", e);
1037                         Toast.makeText(this, R.string.auth_account_does_not_exist, Toast.LENGTH_SHORT).show();
1038                         finish();
1039                     }
1040                 }
1041             }
1042
1043             if (success)
1044                 finish();
1045         } else {
1046             updateStatusIconFailUserName();
1047             showAuthStatus();
1048             Log_OC.e(TAG, "Access to user name failed: " + result.getLogMessage());
1049         }
1050
1051     }
1052
1053     private void onSamlBasedFederatedSingleSignOnAuthorizationStart(RemoteOperationResult result) {
1054         mWaitingForOpId = Long.MAX_VALUE;
1055         dismissDialog(WAIT_DIALOG_TAG);
1056
1057         if (result.isIdPRedirection()) {
1058             String targetUrl = mServerInfo.mBaseUrl
1059                     + AccountUtils.getWebdavPath(mServerInfo.mVersion, mAuthTokenType);
1060
1061             // Show dialog
1062             SamlWebViewDialog dialog = SamlWebViewDialog.newInstance(targetUrl, targetUrl);
1063             dialog.show(getSupportFragmentManager(), SAML_DIALOG_TAG);
1064
1065             mAuthStatusIcon = 0;
1066             mAuthStatusText = 0;
1067
1068         } else {
1069             mAuthStatusIcon = R.drawable.common_error;
1070             mAuthStatusText = R.string.auth_unsupported_auth_method;
1071
1072         }
1073         showAuthStatus();
1074     }
1075
1076
1077     /**
1078      * Processes the result of the server check performed when the user finishes the enter of the
1079      * server URL.
1080      *
1081      * @param result        Result of the check.
1082      */
1083     private void onGetServerInfoFinish(RemoteOperationResult result) {
1084         /// update activity state
1085         mServerIsChecked = true;
1086         mWaitingForOpId = Long.MAX_VALUE;
1087
1088         // update server status, but don't show it yet
1089         updateServerStatusIconAndText(result);
1090
1091         if (result.isSuccess()) {
1092             /// SUCCESS means:
1093             //      1. connection succeeded, and we know if it's SSL or not
1094             //      2. server is installed
1095             //      3. we got the server version
1096             //      4. we got the authentication method required by the server
1097             mServerInfo = (GetServerInfoOperation.ServerInfo) (result.getData().get(0));
1098
1099             if (!authSupported(mServerInfo.mAuthMethod)) {
1100
1101                 updateServerStatusIconNoRegularAuth();  // overrides updateServerStatusIconAndText()
1102                 mServerIsValid = false;
1103
1104             } else {
1105                 mServerIsValid = true;
1106             }
1107
1108         } else {
1109             mServerIsValid = false;
1110         }
1111
1112         // refresh UI
1113         showRefreshButton(!mServerIsValid);
1114         showServerStatus();
1115         mOkButton.setEnabled(mServerIsValid);
1116
1117         /// very special case (TODO: move to a common place for all the remote operations)
1118         if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1119             showUntrustedCertDialog(result);
1120         }
1121     }
1122
1123
1124     private boolean authSupported(AuthenticationMethod authMethod) {
1125         String basic = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1126         String oAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1127         String saml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
1128
1129         return (( mAuthTokenType.equals(basic) &&
1130                     authMethod.equals(AuthenticationMethod.BASIC_HTTP_AUTH) ) ||
1131                 ( mAuthTokenType.equals(oAuth) &&
1132                     authMethod.equals(AuthenticationMethod.BEARER_TOKEN)) ||
1133                 ( mAuthTokenType.equals(saml)  &&
1134                     authMethod.equals(AuthenticationMethod.SAML_WEB_SSO))
1135         );
1136     }
1137
1138
1139     // TODO remove, if possible
1140     private String normalizeUrl(String url, boolean sslWhenUnprefixed) {
1141         if (url != null && url.length() > 0) {
1142             url = url.trim();
1143             if (!url.toLowerCase().startsWith("http://") &&
1144                     !url.toLowerCase().startsWith("https://")) {
1145                 if (sslWhenUnprefixed) {
1146                     url = "https://" + url;
1147                 } else {
1148                     url = "http://" + url;
1149                 }
1150             }
1151
1152             url = normalizeUrlSuffix(url);
1153         }
1154         return (url != null ? url : "");
1155     }
1156
1157
1158     private String normalizeUrlSuffix(String url) {
1159         if (url.endsWith("/")) {
1160             url = url.substring(0, url.length() - 1);
1161         }
1162         url = trimUrlWebdav(url);
1163         return url;
1164     }
1165
1166
1167     // TODO remove, if possible
1168     private String trimUrlWebdav(String url){
1169         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){
1170             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length());
1171         } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){
1172             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length());
1173         } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){
1174             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length());
1175         }
1176         return (url != null ? url : "");
1177     }
1178
1179
1180     /**
1181      * Chooses the right icon and text to show to the user for the received operation result.
1182      *
1183      * @param result    Result of a remote operation performed in this activity
1184      */
1185     private void updateServerStatusIconAndText(RemoteOperationResult result) {
1186         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1187
1188         switch (result.getCode()) {
1189         case OK_SSL:
1190             mServerStatusIcon = android.R.drawable.ic_secure;
1191             mServerStatusText = R.string.auth_secure_connection;
1192             break;
1193
1194         case OK_NO_SSL:
1195         case OK:
1196             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1197                 mServerStatusText = R.string.auth_connection_established;
1198                 mServerStatusIcon = R.drawable.ic_ok;
1199             } else {
1200                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1201                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
1202             }
1203             break;
1204
1205         case NO_NETWORK_CONNECTION:
1206             mServerStatusIcon = R.drawable.no_network;
1207             mServerStatusText = R.string.auth_no_net_conn_title;
1208             break;
1209
1210         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1211             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1212             break;
1213         case BAD_OC_VERSION:
1214             mServerStatusText = R.string.auth_bad_oc_version_title;
1215             break;
1216         case WRONG_CONNECTION:
1217             mServerStatusText = R.string.auth_wrong_connection_title;
1218             break;
1219         case TIMEOUT:
1220             mServerStatusText = R.string.auth_timeout_title;
1221             break;
1222         case INCORRECT_ADDRESS:
1223             mServerStatusText = R.string.auth_incorrect_address_title;
1224             break;
1225         case SSL_ERROR:
1226             mServerStatusText = R.string.auth_ssl_general_error_title;
1227             break;
1228         case UNAUTHORIZED:
1229             mServerStatusText = R.string.auth_unauthorized;
1230             break;
1231         case HOST_NOT_AVAILABLE:
1232             mServerStatusText = R.string.auth_unknown_host_title;
1233             break;
1234         case INSTANCE_NOT_CONFIGURED:
1235             mServerStatusText = R.string.auth_not_configured_title;
1236             break;
1237         case FILE_NOT_FOUND:
1238             mServerStatusText = R.string.auth_incorrect_path_title;
1239             break;
1240         case OAUTH2_ERROR:
1241             mServerStatusText = R.string.auth_oauth_error;
1242             break;
1243         case OAUTH2_ERROR_ACCESS_DENIED:
1244             mServerStatusText = R.string.auth_oauth_error_access_denied;
1245             break;
1246         case UNHANDLED_HTTP_CODE:
1247         case UNKNOWN_ERROR:
1248             mServerStatusText = R.string.auth_unknown_error_title;
1249             break;
1250         case OK_REDIRECT_TO_NON_SECURE_CONNECTION:
1251             mServerStatusIcon = android.R.drawable.ic_partial_secure;
1252             mServerStatusText = R.string.auth_redirect_non_secure_connection_title;
1253             break;
1254         default:
1255             mServerStatusText = 0;
1256             mServerStatusIcon = 0;
1257         }
1258     }
1259
1260
1261     /**
1262      * Chooses the right icon and text to show to the user for the received operation result.
1263      *
1264      * @param result    Result of a remote operation performed in this activity
1265      */
1266     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1267         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1268
1269         switch (result.getCode()) {
1270         case OK_SSL:
1271             mAuthStatusIcon = android.R.drawable.ic_secure;
1272             mAuthStatusText = R.string.auth_secure_connection;
1273             break;
1274
1275         case OK_NO_SSL:
1276         case OK:
1277             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1278                 mAuthStatusText = R.string.auth_connection_established;
1279                 mAuthStatusIcon = R.drawable.ic_ok;
1280             } else {
1281                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1282                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
1283             }
1284             break;
1285
1286         case NO_NETWORK_CONNECTION:
1287             mAuthStatusIcon = R.drawable.no_network;
1288             mAuthStatusText = R.string.auth_no_net_conn_title;
1289             break;
1290
1291         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1292             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1293             break;
1294         case BAD_OC_VERSION:
1295             mAuthStatusText = R.string.auth_bad_oc_version_title;
1296             break;
1297         case WRONG_CONNECTION:
1298             mAuthStatusText = R.string.auth_wrong_connection_title;
1299             break;
1300         case TIMEOUT:
1301             mAuthStatusText = R.string.auth_timeout_title;
1302             break;
1303         case INCORRECT_ADDRESS:
1304             mAuthStatusText = R.string.auth_incorrect_address_title;
1305             break;
1306         case SSL_ERROR:
1307             mAuthStatusText = R.string.auth_ssl_general_error_title;
1308             break;
1309         case UNAUTHORIZED:
1310             mAuthStatusText = R.string.auth_unauthorized;
1311             break;
1312         case HOST_NOT_AVAILABLE:
1313             mAuthStatusText = R.string.auth_unknown_host_title;
1314             break;
1315         case INSTANCE_NOT_CONFIGURED:
1316             mAuthStatusText = R.string.auth_not_configured_title;
1317             break;
1318         case FILE_NOT_FOUND:
1319             mAuthStatusText = R.string.auth_incorrect_path_title;
1320             break;
1321         case OAUTH2_ERROR:
1322             mAuthStatusText = R.string.auth_oauth_error;
1323             break;
1324         case OAUTH2_ERROR_ACCESS_DENIED:
1325             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1326             break;
1327         case ACCOUNT_NOT_NEW:
1328             mAuthStatusText = R.string.auth_account_not_new;
1329             break;
1330         case ACCOUNT_NOT_THE_SAME:
1331             mAuthStatusText = R.string.auth_account_not_the_same;
1332             break;
1333         case UNHANDLED_HTTP_CODE:
1334         case UNKNOWN_ERROR:
1335             mAuthStatusText = R.string.auth_unknown_error_title;
1336             break;
1337         default:
1338             mAuthStatusText = 0;
1339             mAuthStatusIcon = 0;
1340         }
1341     }
1342
1343
1344     private void updateStatusIconFailUserName(){
1345         mAuthStatusIcon = R.drawable.common_error;
1346         mAuthStatusText = R.string.auth_fail_get_user_name;
1347     }
1348
1349     private void updateServerStatusIconNoRegularAuth(){
1350         mServerStatusIcon = R.drawable.common_error;
1351         mServerStatusText = R.string.auth_can_not_auth_against_server;
1352     }
1353
1354     /**
1355      * Processes the result of the request for and access token send
1356      * to an OAuth authorization server.
1357      *
1358      * @param result        Result of the operation.
1359      */
1360     private void onGetOAuthAccessTokenFinish(RemoteOperationResult result) {
1361         mWaitingForOpId = Long.MAX_VALUE;
1362         dismissDialog(WAIT_DIALOG_TAG);
1363
1364         if (result.isSuccess()) {
1365             /// be gentle with the user
1366             IndeterminateProgressDialog dialog =
1367                     IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
1368             dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
1369
1370             /// time to test the retrieved access token on the ownCloud server
1371             @SuppressWarnings("unchecked")
1372             Map<String, String> tokens = (Map<String, String>)(result.getData().get(0));
1373             mAuthToken = tokens.get(OAuth2Constants.KEY_ACCESS_TOKEN);
1374             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1375
1376             accessRootFolderRemoteOperation("", "");
1377
1378         } else {
1379             updateAuthStatusIconAndText(result);
1380             showAuthStatus();
1381             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1382         }
1383     }
1384
1385
1386     /**
1387      * Processes the result of the access check performed to try the user credentials.
1388      *
1389      * Creates a new account through the AccountManager.
1390      *
1391      * @param result        Result of the operation.
1392      */
1393     private void onAuthorizationCheckFinish(RemoteOperationResult result) {
1394         mWaitingForOpId = Long.MAX_VALUE;
1395         dismissDialog(WAIT_DIALOG_TAG);
1396
1397         if (result.isSuccess()) {
1398             Log_OC.d(TAG, "Successful access - time to save the account");
1399
1400             boolean success = false;
1401             if (mAction == ACTION_CREATE) {
1402                 success = createAccount();
1403
1404             } else {
1405                 try {
1406                     updateAccountAuthentication();
1407                     success = true;
1408
1409                 } catch (AccountNotFoundException e) {
1410                     Log_OC.e(TAG, "Account " + mAccount + " was removed!", e);
1411                     Toast.makeText(this, R.string.auth_account_does_not_exist, Toast.LENGTH_SHORT).show();
1412                     finish();
1413                 }
1414             }
1415
1416             if (success) {
1417                 finish();
1418             }
1419
1420         } else if (result.isServerFail() || result.isException()) {
1421             /// server errors or exceptions in authorization take to requiring a new check of
1422             /// the server
1423             mServerIsChecked = true;
1424             mServerIsValid = false;
1425             mServerInfo = new GetServerInfoOperation.ServerInfo();
1426
1427             // update status icon and text
1428             updateServerStatusIconAndText(result);
1429             showServerStatus();
1430             mAuthStatusIcon = 0;
1431             mAuthStatusText = 0;
1432             showAuthStatus();
1433
1434             // update input controls state
1435             showRefreshButton(true);
1436             mOkButton.setEnabled(false);
1437
1438             // very special case (TODO: move to a common place for all the remote operations)
1439             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1440                 showUntrustedCertDialog(result);
1441             }
1442
1443         } else {    // authorization fail due to client side - probably wrong credentials
1444             updateAuthStatusIconAndText(result);
1445             showAuthStatus();
1446             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1447         }
1448     }
1449
1450
1451
1452
1453     /**
1454      * Updates the authentication token.
1455      *
1456      * Sets the proper response so that the AccountAuthenticator that started this activity
1457      * saves a new authorization token for mAccount.
1458      *
1459      * Kills the session kept by OwnCloudClientManager so that a new one will created with
1460      * the new credentials when needed.
1461      */
1462     private void updateAccountAuthentication() throws AccountNotFoundException {
1463         try {
1464             OwnCloudClientManagerFactory.getDefaultSingleton().removeClientFor(
1465                     new OwnCloudAccount(mAccount, this)
1466             );
1467         } catch (Exception e) {
1468             Log_OC.e(TAG, "Exception", e);
1469         }
1470
1471         Bundle response = new Bundle();
1472         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1473         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1474
1475         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
1476                 equals(mAuthTokenType)) {
1477             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1478             // the next line is necessary, notifications are calling directly to the
1479             // AuthenticatorActivity to update, without AccountManager intervention
1480             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1481
1482         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1483                 equals(mAuthTokenType)) {
1484
1485             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1486             // the next line is necessary; by now, notifications are calling directly to the
1487             // AuthenticatorActivity to update, without AccountManager intervention
1488             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1489
1490         } else {
1491             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1492             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1493         }
1494         setAccountAuthenticatorResult(response);
1495
1496     }
1497
1498
1499     /**
1500      * Creates a new account through the Account Authenticator that started this activity.
1501      *
1502      * This makes the account permanent.
1503      *
1504      * TODO Decide how to name the OAuth accounts
1505      */
1506     private boolean createAccount() {
1507         /// create and save new ownCloud account
1508         boolean isOAuth = AccountTypeUtils.
1509                 getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1510         boolean isSaml =  AccountTypeUtils.
1511                 getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1512
1513         Uri uri = Uri.parse(mServerInfo.mBaseUrl);
1514         String username = mUsernameInput.getText().toString().trim();
1515         if (isOAuth) {
1516             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1517         }
1518         String accountName = com.owncloud.android.lib.common.accounts.AccountUtils.
1519                 buildAccountName(uri, username);
1520         Account newAccount = new Account(accountName, MainApp.getAccountType());
1521         if (AccountUtils.exists(newAccount, getApplicationContext())) {
1522             // fail - not a new account, but an existing one; disallow
1523             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1524             updateAuthStatusIconAndText(result);
1525             showAuthStatus();
1526             Log_OC.d(TAG, result.getLogMessage());
1527             return false;
1528
1529         } else {
1530             mAccount = newAccount;
1531
1532             if (isOAuth || isSaml) {
1533                 // with external authorizations, the password is never input in the app
1534                 mAccountMgr.addAccountExplicitly(mAccount, "", null);
1535             } else {
1536                 mAccountMgr.addAccountExplicitly(
1537                         mAccount, mPasswordInput.getText().toString(), null
1538                 );
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             /*if (!isOAuth)
1557                 intent.putExtra(AccountManager.KEY_AUTHTOKEN,   MainApp.getAccountType()); */
1558             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1559             if (isOAuth || isSaml) {
1560                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1561             }
1562             /// add user data to the new account; TODO probably can be done in the last parameter
1563             //      addAccountExplicitly, or in KEY_USERDATA
1564             mAccountMgr.setUserData(
1565                     mAccount, Constants.KEY_OC_VERSION,    mServerInfo.mVersion.getVersion()
1566             );
1567             mAccountMgr.setUserData(
1568                     mAccount, Constants.KEY_OC_BASE_URL,   mServerInfo.mBaseUrl
1569             );
1570
1571             if (isSaml) {
1572                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1573             } else if (isOAuth) {
1574                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1575             }
1576
1577             setAccountAuthenticatorResult(intent.getExtras());
1578             setResult(RESULT_OK, intent);
1579
1580             return true;
1581         }
1582     }
1583
1584
1585     /**
1586      * Starts and activity to open the 'new account' page in the ownCloud web site
1587      *
1588      * @param view      'Account register' button
1589      */
1590     public void onRegisterClick(View view) {
1591         Intent register = new Intent(
1592                 Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url))
1593         );
1594         setResult(RESULT_CANCELED);
1595         startActivity(register);
1596     }
1597
1598
1599     /**
1600      * Updates the content and visibility state of the icon and text associated
1601      * to the last check on the ownCloud server.
1602      */
1603     private void showServerStatus() {
1604         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1605             mServerStatusView.setVisibility(View.INVISIBLE);
1606
1607         } else {
1608             mServerStatusView.setText(mServerStatusText);
1609             mServerStatusView.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1610             mServerStatusView.setVisibility(View.VISIBLE);
1611         }
1612
1613     }
1614
1615
1616     /**
1617      * Updates the content and visibility state of the icon and text associated
1618      * to the interactions with the OAuth authorization server.
1619      */
1620     private void showAuthStatus() {
1621         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1622             mAuthStatusView.setVisibility(View.INVISIBLE);
1623
1624         } else {
1625             mAuthStatusView.setText(mAuthStatusText);
1626             mAuthStatusView.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1627             mAuthStatusView.setVisibility(View.VISIBLE);
1628         }
1629     }
1630
1631
1632     private void showRefreshButton (boolean show) {
1633         if (show)  {
1634             mRefreshButton.setVisibility(View.VISIBLE);
1635         } else {
1636             mRefreshButton.setVisibility(View.GONE);
1637         }
1638     }
1639
1640     /**
1641      * Called when the refresh button in the input field for ownCloud host is clicked.
1642      *
1643      * Performs a new check on the URL in the input field.
1644      *
1645      * @param view      Refresh 'button'
1646      */
1647     public void onRefreshClick(View view) {
1648         checkOcServer();
1649     }
1650
1651
1652     /**
1653      * Called when the eye icon in the password field is clicked.
1654      *
1655      * Toggles the visibility of the password in the field.
1656      */
1657     public void onViewPasswordClick() {
1658         int selectionStart = mPasswordInput.getSelectionStart();
1659         int selectionEnd = mPasswordInput.getSelectionEnd();
1660         if (isPasswordVisible()) {
1661             hidePassword();
1662         } else {
1663             showPassword();
1664         }
1665         mPasswordInput.setSelection(selectionStart, selectionEnd);
1666     }
1667
1668
1669     /**
1670      * Called when the checkbox for OAuth authorization is clicked.
1671      *
1672      * Hides or shows the input fields for user & password.
1673      *
1674      * @param view      'View password' 'button'
1675      */
1676     public void onCheckClick(View view) {
1677         CheckBox oAuth2Check = (CheckBox)view;
1678         if (oAuth2Check.isChecked()) {
1679             mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1680         } else {
1681             mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1682         }
1683         updateAuthenticationPreFragmentVisibility();
1684     }
1685
1686
1687     /**
1688      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1689      *
1690      *  Used to trigger the authentication check when the user presses 'enter' after writing the
1691      *  password, or to throw the server test when the only field on screen is the URL input field.
1692      */
1693     @Override
1694     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1695         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null &&
1696                 inputField.equals(mPasswordInput)) {
1697             if (mOkButton.isEnabled()) {
1698                 mOkButton.performClick();
1699             }
1700
1701         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null &&
1702                 inputField.equals(mHostUrlInput)) {
1703             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1704                     equals(mAuthTokenType)) {
1705                 checkOcServer();
1706             }
1707         }
1708         return false;   // always return false to grant that the software keyboard is hidden anyway
1709     }
1710
1711
1712     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1713
1714         private int fuzz = 75;
1715
1716         /**
1717          * {@inheritDoc}
1718          */
1719         @Override
1720         public boolean onTouch(View view, MotionEvent event) {
1721             Drawable rightDrawable = null;
1722             if (view instanceof TextView) {
1723                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1724                 if (drawables.length > 2) {
1725                     rightDrawable = drawables[2];
1726                 }
1727             }
1728             if (rightDrawable != null) {
1729                 final int x = (int) event.getX();
1730                 final int y = (int) event.getY();
1731                 final Rect bounds = rightDrawable.getBounds();
1732                 if (    x >= (view.getRight() - bounds.width() - fuzz) &&
1733                         x <= (view.getRight() - view.getPaddingRight() + fuzz) &&
1734                         y >= (view.getPaddingTop() - fuzz) &&
1735                         y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1736
1737                     return onDrawableTouch(event);
1738                 }
1739             }
1740             return false;
1741         }
1742
1743         public abstract boolean onDrawableTouch(final MotionEvent event);
1744     }
1745
1746
1747     private void getRemoteUserNameOperation(String sessionCookie, boolean followRedirects) {
1748
1749         Intent getUserNameIntent = new Intent();
1750         getUserNameIntent.setAction(OperationsService.ACTION_GET_USER_NAME);
1751         getUserNameIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mServerInfo.mBaseUrl);
1752         getUserNameIntent.putExtra(OperationsService.EXTRA_COOKIE, sessionCookie);
1753
1754         if (mOperationsServiceBinder != null) {
1755             //Log_OC.wtf(TAG, "starting getRemoteUserNameOperation..." );
1756             mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getUserNameIntent);
1757         }
1758     }
1759
1760
1761     @Override
1762     public void onSsoFinished(String sessionCookie) {
1763         if (sessionCookie != null && sessionCookie.length() > 0) {
1764             Log_OC.d(TAG, "Successful SSO - time to save the account");
1765             mAuthToken = sessionCookie;
1766             getRemoteUserNameOperation(sessionCookie, true);
1767             Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1768             if (fd != null && fd instanceof SherlockDialogFragment) {
1769                 Dialog d = ((SherlockDialogFragment)fd).getDialog();
1770                 if (d != null && d.isShowing()) {
1771                     d.dismiss();
1772                 }
1773             }
1774
1775         } else {
1776             // TODO - show fail
1777             Log_OC.d(TAG, "SSO failed");
1778         }
1779
1780     }
1781
1782     @Override
1783     public boolean onTouchEvent(MotionEvent event) {
1784         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1785                 equals(mAuthTokenType) &&
1786                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1787             checkOcServer();
1788         }
1789         return super.onTouchEvent(event);
1790     }
1791
1792
1793     /**
1794      * Show untrusted cert dialog
1795      */
1796     public void showUntrustedCertDialog(
1797             X509Certificate x509Certificate, SslError error, SslErrorHandler handler
1798         ) {
1799         // Show a dialog with the certificate info
1800         SslUntrustedCertDialog dialog = null;
1801         if (x509Certificate == null) {
1802             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
1803         } else {
1804             dialog = SslUntrustedCertDialog.
1805                     newInstanceForFullSslError(x509Certificate, error, handler);
1806         }
1807         FragmentManager fm = getSupportFragmentManager();
1808         FragmentTransaction ft = fm.beginTransaction();
1809         ft.addToBackStack(null);
1810         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1811     }
1812
1813
1814     /**
1815      * Show untrusted cert dialog
1816      */
1817     private void showUntrustedCertDialog(RemoteOperationResult result) {
1818         // Show a dialog with the certificate info
1819         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.
1820                 newInstanceForFullSslError((CertificateCombinedException)result.getException());
1821         FragmentManager fm = getSupportFragmentManager();
1822         FragmentTransaction ft = fm.beginTransaction();
1823         ft.addToBackStack(null);
1824         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1825
1826     }
1827
1828     /**
1829      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1830      */
1831     public void onSavedCertificate() {
1832         Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1833         if (fd == null) {
1834             // if SAML dialog is not shown,
1835             // the SslDialog was shown due to an SSL error in the server check
1836             checkOcServer();
1837         }
1838     }
1839
1840     /**
1841      * Called from SslValidatorDialog when a new server certificate could not be saved
1842      * when the user requested it.
1843      */
1844     @Override
1845     public void onFailedSavingCertificate() {
1846         dismissDialog(SAML_DIALOG_TAG);
1847         Toast.makeText(this, R.string.ssl_validator_not_saved, Toast.LENGTH_LONG).show();
1848     }
1849
1850     @Override
1851     public void onCancelCertificate() {
1852         dismissDialog(SAML_DIALOG_TAG);
1853     }
1854
1855
1856     private void doOnResumeAndBound() {
1857         //Log_OC.wtf(TAG, "registering to listen for operation callbacks" );
1858         mOperationsServiceBinder.addOperationListener(AuthenticatorActivity.this, mHandler);
1859         if (mWaitingForOpId <= Integer.MAX_VALUE) {
1860             mOperationsServiceBinder.dispatchResultIfFinished((int)mWaitingForOpId, this);
1861         }
1862
1863         if (mPendingAutoCheck) {
1864             checkOcServer();
1865         }
1866     }
1867
1868
1869     private void dismissDialog(String dialogTag){
1870         Fragment frag = getSupportFragmentManager().findFragmentByTag(dialogTag);
1871         if (frag != null && frag instanceof SherlockDialogFragment) {
1872             SherlockDialogFragment dialog = (SherlockDialogFragment) frag;
1873             dialog.dismiss();
1874         }
1875     }
1876
1877
1878     /**
1879      * Implements callback methods for service binding.
1880      */
1881     private class OperationsServiceConnection implements ServiceConnection {
1882
1883         @Override
1884         public void onServiceConnected(ComponentName component, IBinder service) {
1885             if (component.equals(
1886                     new ComponentName(AuthenticatorActivity.this, OperationsService.class)
1887                 )) {
1888                 //Log_OC.wtf(TAG, "Operations service connected");
1889                 mOperationsServiceBinder = (OperationsServiceBinder) service;
1890
1891                 doOnResumeAndBound();
1892
1893             } else {
1894                 return;
1895             }
1896
1897         }
1898
1899         @Override
1900         public void onServiceDisconnected(ComponentName component) {
1901             if (component.equals(
1902                     new ComponentName(AuthenticatorActivity.this, OperationsService.class)
1903                 )) {
1904                 Log_OC.e(TAG, "Operations service crashed");
1905                 mOperationsServiceBinder = null;
1906             }
1907         }
1908
1909     }
1910
1911     /**
1912      * Create and show dialog for request authentication to the user
1913      * @param webView
1914      * @param handler
1915      */
1916     public void createAuthenticationDialog(WebView webView, HttpAuthHandler handler) {
1917
1918         // Show a dialog with the certificate info
1919         CredentialsDialogFragment dialog =
1920                 CredentialsDialogFragment.newInstanceForCredentials(webView, handler);
1921         FragmentManager fm = getSupportFragmentManager();
1922         FragmentTransaction ft = fm.beginTransaction();
1923         ft.addToBackStack(null);
1924         dialog.setCancelable(false);
1925         dialog.show(ft, CREDENTIALS_DIALOG_TAG);
1926
1927         if (!mIsFirstAuthAttempt) {
1928             Toast.makeText(
1929                     getApplicationContext(),
1930                     getText(R.string.saml_authentication_wrong_pass),
1931                     Toast.LENGTH_LONG
1932             ).show();
1933         } else {
1934             mIsFirstAuthAttempt = false;
1935         }
1936     }
1937
1938     /**
1939      * For retrieving the clicking on authentication cancel button
1940      */
1941     public void doNegativeAuthenticatioDialogClick(){
1942         mIsFirstAuthAttempt = true;
1943     }
1944
1945
1946     @Override
1947     public void onAuthenticatorTaskCallback(RemoteOperationResult result) {
1948         //Log_OC.wtf(TAG, "received detection response through callback" );
1949         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1950                 equals(mAuthTokenType)) {
1951             onSamlBasedFederatedSingleSignOnAuthorizationStart(result);
1952
1953         } else {
1954             onAuthorizationCheckFinish(result);
1955         }
1956     }
1957 }