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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012  Bartek Przybylski
   3  *   Copyright (C) 2012-2014 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.Bundle;
  37 import android.os.Handler;
  38 import android.os.IBinder;
  39 import android.preference.PreferenceManager;
  40 import android.support.v4.app.Fragment;
  41 import android.support.v4.app.FragmentManager;
  42 import android.support.v4.app.FragmentTransaction;
  43 import android.text.Editable;
  44 import android.text.InputType;
  45 import android.text.TextWatcher;
  46 import android.view.KeyEvent;
  47 import android.view.MotionEvent;
  48 import android.view.View;
  49 import android.view.View.OnFocusChangeListener;
  50 import android.view.View.OnTouchListener;
  51 import android.view.Window;
  52 import android.view.inputmethod.EditorInfo;
  53 import android.webkit.HttpAuthHandler;
  54 import android.webkit.SslErrorHandler;
  55 import android.webkit.WebView;
  56 import android.widget.Button;
  57 import android.widget.CheckBox;
  58 import android.widget.EditText;
  59 import android.widget.TextView;
  60 import android.widget.TextView.OnEditorActionListener;
  61 import android.widget.Toast;
  62
  63 import com.actionbarsherlock.app.SherlockDialogFragment;
  64 import com.owncloud.android.MainApp;
  65 import com.owncloud.android.R;
  66 import com.owncloud.android.authentication.SsoWebViewClient.SsoWebViewClientListener;
  67 import com.owncloud.android.lib.common.accounts.AccountTypeUtils;
  68 import com.owncloud.android.lib.common.accounts.AccountUtils.Constants;
  69 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  70 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  71 import com.owncloud.android.lib.common.operations.RemoteOperation;
  72 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  73 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  74 import com.owncloud.android.lib.common.utils.Log_OC;
  75 import com.owncloud.android.lib.resources.files.ExistenceCheckRemoteOperation;
  76 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  77 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  78 import com.owncloud.android.operations.DetectAuthenticationMethodOperation.AuthenticationMethod;
  79 import com.owncloud.android.operations.GetServerInfoOperation;
  80 import com.owncloud.android.operations.OAuth2GetAccessToken;
  81 import com.owncloud.android.services.OperationsService;
  82 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  83 import com.owncloud.android.ui.dialog.CredentialsDialogFragment;
  84 import com.owncloud.android.ui.dialog.IndeterminateProgressDialog;
  85 import com.owncloud.android.ui.dialog.SamlWebViewDialog;
  86 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  87 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  88
  89 /**
  90  * This Activity is used to add an ownCloud account to the App
  91  *
  92  * @author Bartek Przybylski
  93  * @author David A. Velasco
  94  * @author masensio
  95  */
  96 public class AuthenticatorActivity extends AccountAuthenticatorActivity
  97 implements  OnRemoteOperationListener, OnFocusChangeListener, OnEditorActionListener,
  98 SsoWebViewClientListener, OnSslUntrustedCertListener {
  99
 100     private static final String TAG = AuthenticatorActivity.class.getSimpleName();
 101
 102     public static final String EXTRA_ACTION = "ACTION";
 103     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 104
 105     private static final String KEY_AUTH_TOKEN_TYPE = "AUTH_TOKEN_TYPE";
 106
 107     private static final String KEY_HOST_URL_TEXT = "HOST_URL_TEXT";
 108     private static final String KEY_OC_VERSION = "OC_VERSION";
 109     private static final String KEY_SERVER_VALID = "SERVER_VALID";
 110     private static final String KEY_SERVER_CHECKED = "SERVER_CHECKED";
 111     private static final String KEY_SERVER_STATUS_TEXT = "SERVER_STATUS_TEXT";
 112     private static final String KEY_SERVER_STATUS_ICON = "SERVER_STATUS_ICON";
 113     private static final String KEY_IS_SSL_CONN = "IS_SSL_CONN";
 114     private static final String KEY_PASSWORD_EXPOSED = "PASSWORD_VISIBLE";
 115     private static final String KEY_AUTH_STATUS_TEXT = "AUTH_STATUS_TEXT";
 116     private static final String KEY_AUTH_STATUS_ICON = "AUTH_STATUS_ICON";
 117     private static final String KEY_SERVER_AUTH_METHOD = "SERVER_AUTH_METHOD";
 118     private static final String KEY_WAITING_FOR_OP_ID = "WAITING_FOR_OP_ID";
 119     private static final String KEY_AUTH_TOKEN = "AUTH_TOKEN";
 120
 121     private static final String AUTH_ON = "on";
 122     private static final String AUTH_OPTIONAL = "optional";
 123
 124     public static final byte ACTION_CREATE = 0;
 125     public static final byte ACTION_UPDATE_TOKEN = 1;               // requested by the user
 126     public static final byte ACTION_UPDATE_EXPIRED_TOKEN = 2;       // detected by the app
 127
 128     private static final String UNTRUSTED_CERT_DIALOG_TAG = "UNTRUSTED_CERT_DIALOG";
 129     private static final String SAML_DIALOG_TAG = "SAML_DIALOG";
 130     private static final String WAIT_DIALOG_TAG = "WAIT_DIALOG";
 131     private static final String CREDENTIALS_DIALOG_TAG = "CREDENTIALS_DIALOG";
 132     private static final String KEY_AUTH_IS_FIRST_ATTEMPT_TAG = "KEY_AUTH_IS_FIRST_ATTEMPT";
 133
 134
 135     /// parameters from EXTRAs in starter Intent
 136     private byte mAction;
 137     private Account mAccount;
 138     private String mAuthTokenType;
 139
 140
 141     /// activity-level references / state
 142     private final Handler mHandler = new Handler();
 143     private ServiceConnection mOperationsServiceConnection = null;
 144     private OperationsServiceBinder mOperationsServiceBinder = null;
 145     private AccountManager mAccountMgr;
 146     private Uri mNewCapturedUriFromOAuth2Redirection;
 147
 148
 149     /// Server PRE-Fragment elements
 150     private EditText mHostUrlInput;
 151     private View mRefreshButton;
 152     private TextView mServerStatusView;
 153
 154     private TextWatcher mHostUrlInputWatcher;
 155     private int mServerStatusText = 0, mServerStatusIcon = 0;
 156
 157     private boolean mServerIsChecked = false;
 158     private boolean mServerIsValid = false;
 159     private boolean mPendingAutoCheck = false;
 160
 161     private GetServerInfoOperation.ServerInfo mServerInfo =
 162             new GetServerInfoOperation.ServerInfo();
 163
 164
 165     /// Authentication PRE-Fragment elements
 166     private CheckBox mOAuth2Check;
 167     private TextView mOAuthAuthEndpointText;
 168     private TextView mOAuthTokenEndpointText;
 169     private EditText mUsernameInput;
 170     private EditText mPasswordInput;
 171     private View mOkButton;
 172     private TextView mAuthStatusView;
 173
 174     private int mAuthStatusText = 0, mAuthStatusIcon = 0;
 175
 176     private String mAuthToken = "";
 177
 178     private boolean mIsFirstAuthAttempt;
 179
 180
 181     /// Identifier of operation in progress which result shouldn't be lost
 182     private long mWaitingForOpId = Long.MAX_VALUE;
 183
 184
 185     /**
 186      * {@inheritDoc}
 187      *
 188      * IMPORTANT ENTRY POINT 1: activity is shown to the user
 189      */
 190     @Override
 191     protected void onCreate(Bundle savedInstanceState) {
 192         //Log_OC.wtf(TAG,  "onCreate init");
 193         super.onCreate(savedInstanceState);
 194         getWindow().requestFeature(Window.FEATURE_NO_TITLE);
 195
 196         mIsFirstAuthAttempt = true;
 197
 198         // bind to Operations Service
 199         mOperationsServiceConnection = new OperationsServiceConnection();
 200         if (!bindService(new Intent(this, OperationsService.class),
 201                 mOperationsServiceConnection,
 202                 Context.BIND_AUTO_CREATE)) {
 203             Toast.makeText(this,
 204                     R.string.error_cant_bind_to_operations_service,
 205                     Toast.LENGTH_LONG)
 206                         .show();
 207             finish();
 208         }
 209
 210         /// init activity state
 211         mAccountMgr = AccountManager.get(this);
 212         mNewCapturedUriFromOAuth2Redirection = null;
 213
 214         /// get input values
 215         mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE);
 216         mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 217         if (savedInstanceState == null) {
 218             initAuthTokenType();
 219         } else {
 220             mAuthTokenType = savedInstanceState.getString(KEY_AUTH_TOKEN_TYPE);
 221             mWaitingForOpId = savedInstanceState.getLong(KEY_WAITING_FOR_OP_ID);
 222             mIsFirstAuthAttempt = savedInstanceState.getBoolean(KEY_AUTH_IS_FIRST_ATTEMPT_TAG);
 223         }
 224
 225         /// load user interface
 226         setContentView(R.layout.account_setup);
 227
 228         /// initialize general UI elements
 229         initOverallUi(savedInstanceState);
 230
 231         mOkButton = findViewById(R.id.buttonOK);
 232
 233         /// initialize block to be moved to single Fragment to check server and get info about it
 234         initServerPreFragment(savedInstanceState);
 235
 236         /// initialize block to be moved to single Fragment to retrieve and validate credentials
 237         initAuthorizationPreFragment(savedInstanceState);
 238
 239         //Log_OC.wtf(TAG,  "onCreate end");
 240     }
 241
 242     private void initAuthTokenType() {
 243         mAuthTokenType =
 244                 getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 245         if (mAuthTokenType == null) {
 246             if (mAccount != null) {
 247                 boolean oAuthRequired =
 248                     (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2) != null);
 249                 boolean samlWebSsoRequired = (
 250                     mAccountMgr.getUserData(
 251                         mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO
 252                     ) != null
 253                 );
 254                 mAuthTokenType = chooseAuthTokenType(oAuthRequired, samlWebSsoRequired);
 255
 256             } else {
 257                 boolean oAuthSupported = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
 258                 boolean samlWebSsoSupported =
 259                         AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));
 260                 mAuthTokenType = chooseAuthTokenType(oAuthSupported, samlWebSsoSupported);
 261             }
 262         }
 263     }
 264
 265     private String chooseAuthTokenType(boolean oauth, boolean saml) {
 266         if (saml) {
 267             return AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 268         } else if (oauth) {
 269              return AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
 270         } else {
 271             return AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 272         }
 273     }
 274
 275
 276     /**
 277      * Configures elements in the user interface under direct control of the Activity.
 278      *
 279      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 280      */
 281     private void initOverallUi(Bundle savedInstanceState) {
 282
 283         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 284         boolean isWelcomeLinkVisible = getResources().getBoolean(R.bool.show_welcome_link);
 285
 286         String instructionsMessageText = null;
 287         if (mAction == ACTION_UPDATE_EXPIRED_TOKEN) {
 288             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType())
 289                     .equals(mAuthTokenType)) {
 290                 instructionsMessageText = getString(R.string.auth_expired_oauth_token_toast);
 291
 292             } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType())
 293                     .equals(mAuthTokenType)) {
 294                 instructionsMessageText = getString(R.string.auth_expired_saml_sso_token_toast);
 295
 296             } else {
 297                 instructionsMessageText = getString(R.string.auth_expired_basic_auth_toast);
 298             }
 299         }
 300
 301         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 302         Button welcomeLink = (Button) findViewById(R.id.welcome_link);
 303         welcomeLink.setVisibility(isWelcomeLinkVisible ? View.VISIBLE : View.GONE);
 304         welcomeLink.setText(
 305                 String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 306
 307         TextView instructionsView = (TextView) findViewById(R.id.instructions_message);
 308         if (instructionsMessageText != null) {
 309             instructionsView.setVisibility(View.VISIBLE);
 310             instructionsView.setText(instructionsMessageText);
 311         } else {
 312             instructionsView.setVisibility(View.GONE);
 313         }
 314     }
 315
 316
 317     /**
 318      *
 319      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 320      */
 321     private void initServerPreFragment(Bundle savedInstanceState) {
 322
 323         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 324         boolean isUrlInputAllowed = getResources().getBoolean(R.bool.show_server_url_input);
 325         if (savedInstanceState == null) {
 326             if (mAccount != null) {
 327                 mServerInfo.mBaseUrl = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_BASE_URL);
 328                 // TODO do next in a setter for mBaseUrl
 329                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");
 330                 String ocVersion = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION);
 331                 if (ocVersion != null) {
 332                     mServerInfo.mVersion = new OwnCloudVersion(ocVersion);
 333                 }
 334             } else {
 335                 mServerInfo.mBaseUrl = getString(R.string.server_url).trim();
 336                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");
 337             }
 338         } else {
 339             mServerStatusText = savedInstanceState.getInt(KEY_SERVER_STATUS_TEXT);
 340             mServerStatusIcon = savedInstanceState.getInt(KEY_SERVER_STATUS_ICON);
 341
 342             mServerIsValid = savedInstanceState.getBoolean(KEY_SERVER_VALID);
 343             mServerIsChecked = savedInstanceState.getBoolean(KEY_SERVER_CHECKED);
 344
 345             // TODO parcelable
 346             mServerInfo.mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 347             mServerInfo.mBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 348             String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 349             if (ocVersion != null) {
 350                 mServerInfo.mVersion = new OwnCloudVersion(ocVersion);
 351             }
 352             mServerInfo.mAuthMethod = AuthenticationMethod.valueOf(
 353                     savedInstanceState.getString(KEY_SERVER_AUTH_METHOD));
 354
 355         }
 356
 357         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 358         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 359         mHostUrlInput.setText(mServerInfo.mBaseUrl);
 360         if (mAction != ACTION_CREATE) {
 361             /// lock things that should not change
 362             mHostUrlInput.setEnabled(false);
 363             mHostUrlInput.setFocusable(false);
 364         }
 365         if (isUrlInputAllowed) {
 366             mRefreshButton = findViewById(R.id.embeddedRefreshButton);
 367         } else {
 368             findViewById(R.id.hostUrlFrame).setVisibility(View.GONE);
 369             mRefreshButton = findViewById(R.id.centeredRefreshButton);
 370         }
 371         showRefreshButton(mServerIsChecked && !mServerIsValid &&
 372                 mWaitingForOpId > Integer.MAX_VALUE);
 373         mServerStatusView = (TextView) findViewById(R.id.server_status_text);
 374         showServerStatus();
 375
 376         /// step 3 - bind some listeners and options
 377         mHostUrlInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 378         mHostUrlInput.setOnEditorActionListener(this);
 379
 380         /// step 4 - create listeners that will be bound at onResume
 381         mHostUrlInputWatcher = new TextWatcher() {
 382
 383             @Override
 384             public void afterTextChanged(Editable s) {
 385                 if (mOkButton.isEnabled() &&
 386                         !mServerInfo.mBaseUrl.equals(
 387                                 normalizeUrl(s.toString(), mServerInfo.mIsSslConn))) {
 388                     mOkButton.setEnabled(false);
 389                 }
 390             }
 391
 392             @Override
 393             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 394             }
 395
 396             @Override
 397             public void onTextChanged(CharSequence s, int start, int before, int count) {
 398                 if (mAuthStatusIcon != 0) {
 399                     Log_OC.d(TAG, "onTextChanged: hiding authentication status");
 400                     mAuthStatusIcon = 0;
 401                     mAuthStatusText = 0;
 402                     showAuthStatus();
 403                 }
 404             }
 405         };
 406
 407
 408         // TODO find out if this is really necessary, or if it can done in a different way
 409         findViewById(R.id.scroll).setOnTouchListener(new OnTouchListener() {
 410             @Override
 411             public boolean onTouch(View view, MotionEvent event) {
 412                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 413                     if (
 414                             AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(
 415                                     MainApp.getAccountType()
 416                                     ).equals(mAuthTokenType) &&
 417                             mHostUrlInput.hasFocus()
 418                     ) {
 419                         checkOcServer();
 420                     }
 421                 }
 422                 return false;
 423             }
 424         });
 425
 426
 427         /// step 4 - mark automatic check to be started when OperationsService is ready
 428         mPendingAutoCheck = (savedInstanceState == null &&
 429                 (mAction != ACTION_CREATE || !isUrlInputAllowed));
 430     }
 431
 432
 433     /**
 434      *
 435      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 436      */
 437     private void initAuthorizationPreFragment(Bundle savedInstanceState) {
 438
 439         /// step 0 - get UI elements in layout
 440         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 441         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 442         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 443         mUsernameInput = (EditText) findViewById(R.id.account_username);
 444         mPasswordInput = (EditText) findViewById(R.id.account_password);
 445         mAuthStatusView = (TextView) findViewById(R.id.auth_status_text);
 446
 447         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 448         String presetUserName = null;
 449         boolean isPasswordExposed = false;
 450         if (savedInstanceState == null) {
 451             if (mAccount != null) {
 452                 presetUserName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 453             }
 454
 455         } else {
 456             isPasswordExposed = savedInstanceState.getBoolean(KEY_PASSWORD_EXPOSED, false);
 457             mAuthStatusText = savedInstanceState.getInt(KEY_AUTH_STATUS_TEXT);
 458             mAuthStatusIcon = savedInstanceState.getInt(KEY_AUTH_STATUS_ICON);
 459             mAuthToken = savedInstanceState.getString(KEY_AUTH_TOKEN);
 460         }
 461
 462         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 463         mOAuth2Check.setChecked(
 464                 AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType())
 465                     .equals(mAuthTokenType));
 466         if (presetUserName != null) {
 467             mUsernameInput.setText(presetUserName);
 468         }
 469         if (mAction != ACTION_CREATE) {
 470             mUsernameInput.setEnabled(false);
 471             mUsernameInput.setFocusable(false);
 472         }
 473         mPasswordInput.setText(""); // clean password to avoid social hacking
 474         if (isPasswordExposed) {
 475             showPassword();
 476         }
 477         updateAuthenticationPreFragmentVisibility();
 478         showAuthStatus();
 479         mOkButton.setEnabled(mServerIsValid);
 480
 481
 482         /// step 3 - bind listeners
 483         // bindings for password input field
 484         mPasswordInput.setOnFocusChangeListener(this);
 485         mPasswordInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
 486         mPasswordInput.setOnEditorActionListener(this);
 487         mPasswordInput.setOnTouchListener(new RightDrawableOnTouchListener() {
 488             @Override
 489             public boolean onDrawableTouch(final MotionEvent event) {
 490                 if (event.getAction() == MotionEvent.ACTION_UP) {
 491                     AuthenticatorActivity.this.onViewPasswordClick();
 492                 }
 493                 return true;
 494             }
 495         });
 496
 497     }
 498
 499
 500     /**
 501      * Changes the visibility of input elements depending on
 502      * the current authorization method.
 503      */
 504     private void updateAuthenticationPreFragmentVisibility () {
 505         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 506                 equals(mAuthTokenType)) {
 507             // SAML-based web Single Sign On
 508             mOAuth2Check.setVisibility(View.GONE);
 509             mOAuthAuthEndpointText.setVisibility(View.GONE);
 510             mOAuthTokenEndpointText.setVisibility(View.GONE);
 511             mUsernameInput.setVisibility(View.GONE);
 512             mPasswordInput.setVisibility(View.GONE);
 513
 514         } else {
 515             if (mAction == ACTION_CREATE &&
 516                     AUTH_OPTIONAL.equals(getString(R.string.auth_method_oauth2))) {
 517                 mOAuth2Check.setVisibility(View.VISIBLE);
 518             } else {
 519                 mOAuth2Check.setVisibility(View.GONE);
 520             }
 521
 522             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
 523                     equals(mAuthTokenType)) {
 524                 // OAuth 2 authorization
 525
 526                 mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
 527                 mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
 528                 mUsernameInput.setVisibility(View.GONE);
 529                 mPasswordInput.setVisibility(View.GONE);
 530
 531             } else {
 532                 // basic HTTP authorization
 533                 mOAuthAuthEndpointText.setVisibility(View.GONE);
 534                 mOAuthTokenEndpointText.setVisibility(View.GONE);
 535                 mUsernameInput.setVisibility(View.VISIBLE);
 536                 mPasswordInput.setVisibility(View.VISIBLE);
 537             }
 538         }
 539     }
 540
 541
 542
 543     /**
 544      * Saves relevant state before {@link #onPause()}
 545      *
 546      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag,
 547      * intended to defer the processing of the redirection caught in
 548      * {@link #onNewIntent(Intent)} until {@link #onResume()}
 549      *
 550      * See {@link #loadSavedInstanceState(Bundle)}
 551      */
 552     @Override
 553     protected void onSaveInstanceState(Bundle outState) {
 554         //Log_OC.wtf(TAG, "onSaveInstanceState init" );
 555         super.onSaveInstanceState(outState);
 556
 557         /// global state
 558         outState.putString(KEY_AUTH_TOKEN_TYPE, mAuthTokenType);
 559         outState.putLong(KEY_WAITING_FOR_OP_ID, mWaitingForOpId);
 560
 561         /// Server PRE-fragment state
 562         outState.putInt(KEY_SERVER_STATUS_TEXT, mServerStatusText);
 563         outState.putInt(KEY_SERVER_STATUS_ICON, mServerStatusIcon);
 564         outState.putBoolean(KEY_SERVER_CHECKED, mServerIsChecked);
 565         outState.putBoolean(KEY_SERVER_VALID, mServerIsValid);
 566         outState.putBoolean(KEY_IS_SSL_CONN, mServerInfo.mIsSslConn);
 567         outState.putString(KEY_HOST_URL_TEXT, mServerInfo.mBaseUrl);
 568         if (mServerInfo.mVersion != null) {
 569             outState.putString(KEY_OC_VERSION, mServerInfo.mVersion.getVersion());
 570         }
 571         outState.putString(KEY_SERVER_AUTH_METHOD, mServerInfo.mAuthMethod.name());
 572
 573         /// Authentication PRE-fragment state
 574         outState.putBoolean(KEY_PASSWORD_EXPOSED, isPasswordVisible());
 575         outState.putInt(KEY_AUTH_STATUS_ICON, mAuthStatusIcon);
 576         outState.putInt(KEY_AUTH_STATUS_TEXT, mAuthStatusText);
 577         outState.putString(KEY_AUTH_TOKEN, mAuthToken);
 578
 579         /// authentication
 580         outState.putBoolean(KEY_AUTH_IS_FIRST_ATTEMPT_TAG, mIsFirstAuthAttempt);
 581
 582         //Log_OC.wtf(TAG, "onSaveInstanceState end" );
 583     }
 584
 585
 586     /**
 587      * The redirection triggered by the OAuth authentication server as response to the
 588      * GET AUTHORIZATION request is caught here.
 589      *
 590      * To make this possible, this activity needs to be qualified with android:launchMode =
 591      * "singleTask" in the AndroidManifest.xml file.
 592      */
 593     @Override
 594     protected void onNewIntent (Intent intent) {
 595         Log_OC.d(TAG, "onNewIntent()");
 596         Uri data = intent.getData();
 597         if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) {
 598             mNewCapturedUriFromOAuth2Redirection = data;
 599         }
 600     }
 601
 602
 603     /**
 604      * The redirection triggered by the OAuth authentication server as response to the
 605      * GET AUTHORIZATION, and deferred in {@link #onNewIntent(Intent)}, is processed here.
 606      */
 607     @Override
 608     protected void onResume() {
 609         //Log_OC.wtf(TAG, "onResume init" );
 610         super.onResume();
 611
 612         // bound here to avoid spurious changes triggered by Android on device rotations
 613         mHostUrlInput.setOnFocusChangeListener(this);
 614         mHostUrlInput.addTextChangedListener(mHostUrlInputWatcher);
 615
 616         if (mNewCapturedUriFromOAuth2Redirection != null) {
 617             getOAuth2AccessTokenFromCapturedRedirection();
 618         }
 619
 620         if (mOperationsServiceBinder != null) {
 621             doOnResumeAndBound();
 622         }
 623
 624         //Log_OC.wtf(TAG, "onResume end" );
 625     }
 626
 627
 628     @Override
 629     protected void onPause() {
 630         //Log_OC.wtf(TAG, "onPause init" );
 631         if (mOperationsServiceBinder != null) {
 632             //Log_OC.wtf(TAG, "unregistering to listen for operation callbacks" );
 633             mOperationsServiceBinder.removeOperationListener(this);
 634         }
 635
 636         mHostUrlInput.removeTextChangedListener(mHostUrlInputWatcher);
 637         mHostUrlInput.setOnFocusChangeListener(null);
 638
 639         super.onPause();
 640         //Log_OC.wtf(TAG, "onPause end" );
 641     }
 642
 643     @Override
 644     protected void onDestroy() {
 645
 646         mHostUrlInputWatcher = null;
 647
 648         if (mOperationsServiceConnection != null) {
 649             unbindService(mOperationsServiceConnection);
 650             mOperationsServiceBinder = null;
 651         }
 652         super.onDestroy();
 653     }
 654
 655
 656     /**
 657      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 658      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 659      */
 660     private void getOAuth2AccessTokenFromCapturedRedirection() {
 661         /// Parse data from OAuth redirection
 662         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 663         mNewCapturedUriFromOAuth2Redirection = null;
 664
 665         /// Showing the dialog with instructions for the user.
 666         IndeterminateProgressDialog dialog =
 667                 IndeterminateProgressDialog.newInstance(R.string.auth_getting_authorization, true);
 668         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 669
 670         /// GET ACCESS TOKEN to the oAuth server
 671         Intent getServerInfoIntent = new Intent();
 672         getServerInfoIntent.setAction(OperationsService.ACTION_OAUTH2_GET_ACCESS_TOKEN);
 673
 674         getServerInfoIntent.putExtra(
 675                 OperationsService.EXTRA_SERVER_URL,
 676                 mOAuthTokenEndpointText.getText().toString().trim());
 677
 678         getServerInfoIntent.putExtra(
 679                 OperationsService.EXTRA_OAUTH2_QUERY_PARAMETERS,
 680                 queryParameters);
 681
 682         if (mOperationsServiceBinder != null) {
 683             //Log_OC.wtf(TAG, "getting access token..." );
 684             mWaitingForOpId = mOperationsServiceBinder.newOperation(getServerInfoIntent);
 685         }
 686     }
 687
 688
 689
 690     /**
 691      * Handles the change of focus on the text inputs for the server URL and the password
 692      */
 693     public void onFocusChange(View view, boolean hasFocus) {
 694         if (view.getId() == R.id.hostUrlInput) {
 695             if (!hasFocus) {
 696                 onUrlInputFocusLost((TextView) view);
 697             }
 698             else {
 699                 showRefreshButton(false);
 700             }
 701
 702         } else if (view.getId() == R.id.account_password) {
 703             onPasswordFocusChanged((TextView) view, hasFocus);
 704         }
 705     }
 706
 707
 708     /**
 709      * Handles changes in focus on the text input for the server URL.
 710      *
 711      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 712      * other field. The operation to check the existence of the server in the entered URL is
 713      * started.
 714      *
 715      * When hasFocus:    user 'comes back' to write again the server URL.
 716      *
 717      * @param hostInput     TextView with the URL input field receiving the change of focus.
 718      */
 719     private void onUrlInputFocusLost(TextView hostInput) {
 720         if (!mServerInfo.mBaseUrl.equals(
 721                 normalizeUrl(mHostUrlInput.getText().toString(), mServerInfo.mIsSslConn))) {
 722             // check server again only if the user changed something in the field
 723             checkOcServer();
 724         } else {
 725             mOkButton.setEnabled(mServerIsValid);
 726             showRefreshButton(!mServerIsValid);
 727         }
 728     }
 729
 730
 731     private void checkOcServer() {
 732         String uri = mHostUrlInput.getText().toString().trim();
 733         mServerIsValid = false;
 734         mServerIsChecked = false;
 735         mOkButton.setEnabled(false);
 736         mServerInfo = new GetServerInfoOperation.ServerInfo();
 737         showRefreshButton(false);
 738
 739         if (uri.length() != 0) {
 740             mServerStatusText = R.string.auth_testing_connection;
 741             mServerStatusIcon = R.drawable.progress_small;
 742             showServerStatus();
 743
 744             Intent getServerInfoIntent = new Intent();
 745             getServerInfoIntent.setAction(OperationsService.ACTION_GET_SERVER_INFO);
 746             getServerInfoIntent.putExtra(
 747                 OperationsService.EXTRA_SERVER_URL,
 748                 normalizeUrlSuffix(uri)
 749             );
 750             if (mOperationsServiceBinder != null) {
 751                 mWaitingForOpId = mOperationsServiceBinder.newOperation(getServerInfoIntent);
 752             } else {
 753               Log_OC.wtf(TAG, "Server check tried with OperationService unbound!" );
 754             }
 755
 756         } else {
 757             mServerStatusText = 0;
 758             mServerStatusIcon = 0;
 759             showServerStatus();
 760         }
 761     }
 762
 763
 764     /**
 765      * Handles changes in focus on the text input for the password (basic authorization).
 766      *
 767      * When (hasFocus), the button to toggle password visibility is shown.
 768      *
 769      * When (!hasFocus), the button is made invisible and the password is hidden.
 770      *
 771      * @param passwordInput    TextView with the password input field receiving the change of focus.
 772      * @param hasFocus          'True' if focus is received, 'false' if is lost
 773      */
 774     private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {
 775         if (hasFocus) {
 776             showViewPasswordButton();
 777         } else {
 778             hidePassword();
 779             hidePasswordButton();
 780         }
 781     }
 782
 783
 784     private void showViewPasswordButton() {
 785         int drawable = R.drawable.ic_view;
 786         if (isPasswordVisible()) {
 787             drawable = R.drawable.ic_hide;
 788         }
 789         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 790     }
 791
 792     private boolean isPasswordVisible() {
 793         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) ==
 794                 InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 795     }
 796
 797     private void hidePasswordButton() {
 798         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 799     }
 800
 801     private void showPassword() {
 802         mPasswordInput.setInputType(
 803                 InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD
 804         );
 805         showViewPasswordButton();
 806     }
 807
 808     private void hidePassword() {
 809         mPasswordInput.setInputType(
 810                 InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD
 811         );
 812         showViewPasswordButton();
 813     }
 814
 815     /**
 816      * Checks the credentials of the user in the root of the ownCloud server
 817      * before creating a new local account.
 818      *
 819      * For basic authorization, a check of existence of the root folder is
 820      * performed.
 821      *
 822      * For OAuth, starts the flow to get an access token; the credentials test
 823      * is postponed until it is available.
 824      *
 825      * IMPORTANT ENTRY POINT 4
 826      *
 827      * @param view      OK button
 828      */
 829     public void onOkClick(View view) {
 830         // this check should be unnecessary
 831         if (mServerInfo.mVersion == null ||
 832                 !mServerInfo.mVersion.isVersionValid()  ||
 833                 mServerInfo.mBaseUrl == null ||
 834                 mServerInfo.mBaseUrl.length() == 0) {
 835             mServerStatusIcon = R.drawable.common_error;
 836             mServerStatusText = R.string.auth_wtf_reenter_URL;
 837             showServerStatus();
 838             mOkButton.setEnabled(false);
 839             //Log_OC.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");
 840             return;
 841         }
 842
 843         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
 844                 equals(mAuthTokenType)) {
 845
 846             startOauthorization();
 847         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 848                 equals(mAuthTokenType)) {
 849
 850             startSamlBasedFederatedSingleSignOnAuthorization();
 851         } else {
 852             checkBasicAuthorization();
 853         }
 854     }
 855
 856
 857     /**
 858      * Tests the credentials entered by the user performing a check of existence on
 859      * the root folder of the ownCloud server.
 860      */
 861     private void checkBasicAuthorization() {
 862         /// get basic credentials entered by user
 863         String username = mUsernameInput.getText().toString();
 864         String password = mPasswordInput.getText().toString();
 865
 866         /// be gentle with the user
 867         IndeterminateProgressDialog dialog =
 868                 IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
 869         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 870
 871         /// validate credentials accessing the root folder
 872         accessRootFolderRemoteOperation(username, password);
 873
 874     }
 875
 876     private void accessRootFolderRemoteOperation(String username, String password) {
 877         Intent existenceCheckIntent = new Intent();
 878         existenceCheckIntent.setAction(OperationsService.ACTION_EXISTENCE_CHECK);
 879         existenceCheckIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mServerInfo.mBaseUrl);
 880         existenceCheckIntent.putExtra(OperationsService.EXTRA_REMOTE_PATH, "/");
 881         existenceCheckIntent.putExtra(OperationsService.EXTRA_USERNAME, username);
 882         existenceCheckIntent.putExtra(OperationsService.EXTRA_PASSWORD, password);
 883         existenceCheckIntent.putExtra(OperationsService.EXTRA_AUTH_TOKEN, mAuthToken);
 884
 885         if (mOperationsServiceBinder != null) {
 886             //Log_OC.wtf(TAG, "starting existenceCheckRemoteOperation..." );
 887             mWaitingForOpId = mOperationsServiceBinder.newOperation(existenceCheckIntent);
 888         }
 889     }
 890
 891     /**
 892      * Starts the OAuth 'grant type' flow to get an access token, with
 893      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 894      */
 895     private void startOauthorization() {
 896         // be gentle with the user
 897         mAuthStatusIcon = R.drawable.progress_small;
 898         mAuthStatusText = R.string.oauth_login_connection;
 899         showAuthStatus();
 900
 901         // GET AUTHORIZATION request
 902         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 903         Uri.Builder uriBuilder = uri.buildUpon();
 904         uriBuilder.appendQueryParameter(
 905                 OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type)
 906         );
 907         uriBuilder.appendQueryParameter(
 908                 OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri)
 909         );
 910         uriBuilder.appendQueryParameter(
 911                 OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id)
 912         );
 913         uriBuilder.appendQueryParameter(
 914                 OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope)
 915         );
 916         uri = uriBuilder.build();
 917         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 918         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 919         startActivity(i);
 920     }
 921
 922
 923     /**
 924      * Starts the Web Single Sign On flow to get access to the root folder
 925      * in the server.
 926      */
 927     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 928         // be gentle with the user
 929         mAuthStatusIcon = R.drawable.progress_small;
 930         mAuthStatusText = R.string.auth_connecting_auth_server;
 931         showAuthStatus();
 932         IndeterminateProgressDialog dialog =
 933                 IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
 934         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 935
 936         /// validate credentials accessing the root folder
 937         accessRootFolderRemoteOperation("", "");
 938
 939     }
 940
 941     /**
 942      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 943      *
 944      * Dispatches the operation flow to the right method.
 945      */
 946     @Override
 947     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 948
 949         if (operation instanceof GetServerInfoOperation) {
 950             if (operation.hashCode() == mWaitingForOpId) {
 951                 onGetServerInfoFinish(result);
 952             }   // else nothing ; only the last check operation is considered;
 953                 // multiple can be started if the user amends a URL quickly
 954
 955         } else if (operation instanceof OAuth2GetAccessToken) {
 956             onGetOAuthAccessTokenFinish(result);
 957
 958         } else if (operation instanceof ExistenceCheckRemoteOperation)  {
 959             //Log_OC.wtf(TAG, "received detection response through callback" );
 960             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 961                     equals(mAuthTokenType)) {
 962                 onSamlBasedFederatedSingleSignOnAuthorizationStart(result);
 963
 964             } else {
 965                 onAuthorizationCheckFinish(result);
 966             }
 967         } else if (operation instanceof GetRemoteUserNameOperation) {
 968             onGetUserNameFinish(result);
 969         }
 970
 971     }
 972
 973     private void onGetUserNameFinish(RemoteOperationResult result) {
 974         mWaitingForOpId = Long.MAX_VALUE;
 975         if (result.isSuccess()) {
 976             boolean success = false;
 977             String username = (String) result.getData().get(0);
 978
 979             if ( mAction == ACTION_CREATE) {
 980                 mUsernameInput.setText(username);
 981                 success = createAccount();
 982             } else {
 983
 984                 if (!mUsernameInput.getText().toString().equals(username)) {
 985                     // fail - not a new account, but an existing one; disallow
 986                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
 987                     /*
 988                     OwnCloudClientManagerFactory.getDefaultSingleton().removeClientFor(
 989                             new OwnCloudAccount(
 990                                     Uri.parse(mServerInfo.mBaseUrl),
 991                                     OwnCloudCredentialsFactory.newSamlSsoCredentials(mAuthToken))
 992                             );
 993                             */
 994                     mAuthToken = "";
 995                     updateAuthStatusIconAndText(result);
 996                     showAuthStatus();
 997                     Log_OC.d(TAG, result.getLogMessage());
 998                 } else {
 999                     updateToken();
1000                     success = true;
1001                 }
1002             }
1003
1004             if (success)
1005                 finish();
1006         } else {
1007             updateStatusIconFailUserName();
1008             showAuthStatus();
1009             Log_OC.e(TAG, "Access to user name failed: " + result.getLogMessage());
1010         }
1011
1012     }
1013
1014     private void onSamlBasedFederatedSingleSignOnAuthorizationStart(RemoteOperationResult result) {
1015         mWaitingForOpId = Long.MAX_VALUE;
1016         dismissDialog(WAIT_DIALOG_TAG);
1017
1018         if (result.isIdPRedirection()) {
1019             String url = result.getRedirectedLocation();
1020             String targetUrl = mServerInfo.mBaseUrl
1021                     + AccountUtils.getWebdavPath(mServerInfo.mVersion, mAuthTokenType);
1022
1023             // Show dialog
1024             SamlWebViewDialog dialog = SamlWebViewDialog.newInstance(url, targetUrl);
1025             dialog.show(getSupportFragmentManager(), SAML_DIALOG_TAG);
1026
1027             mAuthStatusIcon = 0;
1028             mAuthStatusText = 0;
1029
1030         } else {
1031             mAuthStatusIcon = R.drawable.common_error;
1032             mAuthStatusText = R.string.auth_unsupported_auth_method;
1033
1034         }
1035         showAuthStatus();
1036     }
1037
1038
1039     /**
1040      * Processes the result of the server check performed when the user finishes the enter of the
1041      * server URL.
1042      *
1043      * @param operation     Server check performed.
1044      * @param result        Result of the check.
1045      */
1046     private void onGetServerInfoFinish(RemoteOperationResult result) {
1047         /// update activity state
1048         mServerIsChecked = true;
1049         mWaitingForOpId = Long.MAX_VALUE;
1050
1051         // update server status, but don't show it yet
1052         updateServerStatusIconAndText(result);
1053
1054         if (result.isSuccess()) {
1055             /// SUCCESS means:
1056             //      1. connection succeeded, and we know if it's SSL or not
1057             //      2. server is installed
1058             //      3. we got the server version
1059             //      4. we got the authentication method required by the server
1060             mServerInfo = (GetServerInfoOperation.ServerInfo) (result.getData().get(0));
1061
1062             if (!authSupported(mServerInfo.mAuthMethod)) {
1063
1064                 updateServerStatusIconNoRegularAuth();  // overrides updateServerStatusIconAndText()
1065                 mServerIsValid = false;
1066
1067             } else {
1068                 mServerIsValid = true;
1069             }
1070
1071         } else {
1072             mServerIsValid = false;
1073         }
1074
1075         // refresh UI
1076         showRefreshButton(!mServerIsValid);
1077         showServerStatus();
1078         mOkButton.setEnabled(mServerIsValid);
1079
1080         /// very special case (TODO: move to a common place for all the remote operations)
1081         if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1082             showUntrustedCertDialog(result);
1083         }
1084     }
1085
1086
1087     private boolean authSupported(AuthenticationMethod authMethod) {
1088         String basic = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1089         String oAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1090         String saml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
1091
1092         return (( mAuthTokenType.equals(basic) &&
1093                     authMethod.equals(AuthenticationMethod.BASIC_HTTP_AUTH) ) ||
1094                 ( mAuthTokenType.equals(oAuth) &&
1095                     authMethod.equals(AuthenticationMethod.BEARER_TOKEN)) ||
1096                 ( mAuthTokenType.equals(saml)  &&
1097                     authMethod.equals(AuthenticationMethod.SAML_WEB_SSO))
1098         );
1099     }
1100
1101
1102     // TODO remove, if possible
1103     private String normalizeUrl(String url, boolean sslWhenUnprefixed) {
1104         if (url != null && url.length() > 0) {
1105             url = url.trim();
1106             if (!url.toLowerCase().startsWith("http://") &&
1107                     !url.toLowerCase().startsWith("https://")) {
1108                 if (sslWhenUnprefixed) {
1109                     url = "https://" + url;
1110                 } else {
1111                     url = "http://" + url;
1112                 }
1113             }
1114
1115             url = normalizeUrlSuffix(url);
1116         }
1117         return (url != null ? url : "");
1118     }
1119
1120
1121     private String normalizeUrlSuffix(String url) {
1122         if (url.endsWith("/")) {
1123             url = url.substring(0, url.length() - 1);
1124         }
1125         url = trimUrlWebdav(url);
1126         return url;
1127     }
1128
1129
1130     // TODO remove, if possible
1131     private String trimUrlWebdav(String url){
1132         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){
1133             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length());
1134         } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){
1135             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length());
1136         } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){
1137             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length());
1138         }
1139         return (url != null ? url : "");
1140     }
1141
1142
1143     /**
1144      * Chooses the right icon and text to show to the user for the received operation result.
1145      *
1146      * @param result    Result of a remote operation performed in this activity
1147      */
1148     private void updateServerStatusIconAndText(RemoteOperationResult result) {
1149         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1150
1151         switch (result.getCode()) {
1152         case OK_SSL:
1153             mServerStatusIcon = android.R.drawable.ic_secure;
1154             mServerStatusText = R.string.auth_secure_connection;
1155             break;
1156
1157         case OK_NO_SSL:
1158         case OK:
1159             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1160                 mServerStatusText = R.string.auth_connection_established;
1161                 mServerStatusIcon = R.drawable.ic_ok;
1162             } else {
1163                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1164                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
1165             }
1166             break;
1167
1168         case NO_NETWORK_CONNECTION:
1169             mServerStatusIcon = R.drawable.no_network;
1170             mServerStatusText = R.string.auth_no_net_conn_title;
1171             break;
1172
1173         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1174             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1175             break;
1176         case BAD_OC_VERSION:
1177             mServerStatusText = R.string.auth_bad_oc_version_title;
1178             break;
1179         case WRONG_CONNECTION:
1180             mServerStatusText = R.string.auth_wrong_connection_title;
1181             break;
1182         case TIMEOUT:
1183             mServerStatusText = R.string.auth_timeout_title;
1184             break;
1185         case INCORRECT_ADDRESS:
1186             mServerStatusText = R.string.auth_incorrect_address_title;
1187             break;
1188         case SSL_ERROR:
1189             mServerStatusText = R.string.auth_ssl_general_error_title;
1190             break;
1191         case UNAUTHORIZED:
1192             mServerStatusText = R.string.auth_unauthorized;
1193             break;
1194         case HOST_NOT_AVAILABLE:
1195             mServerStatusText = R.string.auth_unknown_host_title;
1196             break;
1197         case INSTANCE_NOT_CONFIGURED:
1198             mServerStatusText = R.string.auth_not_configured_title;
1199             break;
1200         case FILE_NOT_FOUND:
1201             mServerStatusText = R.string.auth_incorrect_path_title;
1202             break;
1203         case OAUTH2_ERROR:
1204             mServerStatusText = R.string.auth_oauth_error;
1205             break;
1206         case OAUTH2_ERROR_ACCESS_DENIED:
1207             mServerStatusText = R.string.auth_oauth_error_access_denied;
1208             break;
1209         case UNHANDLED_HTTP_CODE:
1210         case UNKNOWN_ERROR:
1211             mServerStatusText = R.string.auth_unknown_error_title;
1212             break;
1213         case OK_REDIRECT_TO_NON_SECURE_CONNECTION:
1214             mServerStatusIcon = android.R.drawable.ic_partial_secure;
1215             mServerStatusText = R.string.auth_redirect_non_secure_connection_title;
1216             break;
1217         default:
1218             mServerStatusText = 0;
1219             mServerStatusIcon = 0;
1220         }
1221     }
1222
1223
1224     /**
1225      * Chooses the right icon and text to show to the user for the received operation result.
1226      *
1227      * @param result    Result of a remote operation performed in this activity
1228      */
1229     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1230         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1231
1232         switch (result.getCode()) {
1233         case OK_SSL:
1234             mAuthStatusIcon = android.R.drawable.ic_secure;
1235             mAuthStatusText = R.string.auth_secure_connection;
1236             break;
1237
1238         case OK_NO_SSL:
1239         case OK:
1240             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1241                 mAuthStatusText = R.string.auth_connection_established;
1242                 mAuthStatusIcon = R.drawable.ic_ok;
1243             } else {
1244                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1245                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
1246             }
1247             break;
1248
1249         case NO_NETWORK_CONNECTION:
1250             mAuthStatusIcon = R.drawable.no_network;
1251             mAuthStatusText = R.string.auth_no_net_conn_title;
1252             break;
1253
1254         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1255             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1256             break;
1257         case BAD_OC_VERSION:
1258             mAuthStatusText = R.string.auth_bad_oc_version_title;
1259             break;
1260         case WRONG_CONNECTION:
1261             mAuthStatusText = R.string.auth_wrong_connection_title;
1262             break;
1263         case TIMEOUT:
1264             mAuthStatusText = R.string.auth_timeout_title;
1265             break;
1266         case INCORRECT_ADDRESS:
1267             mAuthStatusText = R.string.auth_incorrect_address_title;
1268             break;
1269         case SSL_ERROR:
1270             mAuthStatusText = R.string.auth_ssl_general_error_title;
1271             break;
1272         case UNAUTHORIZED:
1273             mAuthStatusText = R.string.auth_unauthorized;
1274             break;
1275         case HOST_NOT_AVAILABLE:
1276             mAuthStatusText = R.string.auth_unknown_host_title;
1277             break;
1278         case INSTANCE_NOT_CONFIGURED:
1279             mAuthStatusText = R.string.auth_not_configured_title;
1280             break;
1281         case FILE_NOT_FOUND:
1282             mAuthStatusText = R.string.auth_incorrect_path_title;
1283             break;
1284         case OAUTH2_ERROR:
1285             mAuthStatusText = R.string.auth_oauth_error;
1286             break;
1287         case OAUTH2_ERROR_ACCESS_DENIED:
1288             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1289             break;
1290         case ACCOUNT_NOT_NEW:
1291             mAuthStatusText = R.string.auth_account_not_new;
1292             break;
1293         case ACCOUNT_NOT_THE_SAME:
1294             mAuthStatusText = R.string.auth_account_not_the_same;
1295             break;
1296         case UNHANDLED_HTTP_CODE:
1297         case UNKNOWN_ERROR:
1298             mAuthStatusText = R.string.auth_unknown_error_title;
1299             break;
1300         default:
1301             mAuthStatusText = 0;
1302             mAuthStatusIcon = 0;
1303         }
1304     }
1305
1306
1307     private void updateStatusIconFailUserName(){
1308         mAuthStatusIcon = R.drawable.common_error;
1309         mAuthStatusText = R.string.auth_fail_get_user_name;
1310     }
1311
1312     private void updateServerStatusIconNoRegularAuth(){
1313         mServerStatusIcon = R.drawable.common_error;
1314         mServerStatusText = R.string.auth_can_not_auth_against_server;
1315     }
1316
1317     /**
1318      * Processes the result of the request for and access token send
1319      * to an OAuth authorization server.
1320      *
1321      * @param result        Result of the operation.
1322      */
1323     private void onGetOAuthAccessTokenFinish(RemoteOperationResult result) {
1324         mWaitingForOpId = Long.MAX_VALUE;
1325         dismissDialog(WAIT_DIALOG_TAG);
1326
1327         if (result.isSuccess()) {
1328             /// be gentle with the user
1329             IndeterminateProgressDialog dialog =
1330                     IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
1331             dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
1332
1333             /// time to test the retrieved access token on the ownCloud server
1334             @SuppressWarnings("unchecked")
1335             Map<String, String> tokens = (Map<String, String>)(result.getData().get(0));
1336             mAuthToken = tokens.get(OAuth2Constants.KEY_ACCESS_TOKEN);
1337             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1338
1339             accessRootFolderRemoteOperation("", "");
1340
1341         } else {
1342             updateAuthStatusIconAndText(result);
1343             showAuthStatus();
1344             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1345         }
1346     }
1347
1348
1349     /**
1350      * Processes the result of the access check performed to try the user credentials.
1351      *
1352      * Creates a new account through the AccountManager.
1353      *
1354      * @param operation     Access check performed.
1355      * @param result        Result of the operation.
1356      */
1357     private void onAuthorizationCheckFinish(RemoteOperationResult result) {
1358         mWaitingForOpId = Long.MAX_VALUE;
1359         dismissDialog(WAIT_DIALOG_TAG);
1360
1361         if (result.isSuccess()) {
1362             Log_OC.d(TAG, "Successful access - time to save the account");
1363
1364             boolean success = false;
1365             if (mAction == ACTION_CREATE) {
1366                 success = createAccount();
1367
1368             } else {
1369                 updateToken();
1370                 success = true;
1371             }
1372
1373             if (success) {
1374                 finish();
1375             }
1376
1377         } else if (result.isServerFail() || result.isException()) {
1378             /// server errors or exceptions in authorization take to requiring a new check of
1379             /// the server
1380             mServerIsChecked = true;
1381             mServerIsValid = false;
1382             mServerInfo = new GetServerInfoOperation.ServerInfo();
1383
1384             // update status icon and text
1385             updateServerStatusIconAndText(result);
1386             showServerStatus();
1387             mAuthStatusIcon = 0;
1388             mAuthStatusText = 0;
1389             showAuthStatus();
1390
1391             // update input controls state
1392             showRefreshButton(true);
1393             mOkButton.setEnabled(false);
1394
1395             // very special case (TODO: move to a common place for all the remote operations)
1396             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1397                 showUntrustedCertDialog(result);
1398             }
1399
1400         } else {    // authorization fail due to client side - probably wrong credentials
1401             updateAuthStatusIconAndText(result);
1402             showAuthStatus();
1403             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1404         }
1405     }
1406
1407
1408
1409
1410     /**
1411      * Sets the proper response to get that the Account Authenticator that started this activity
1412      * saves a new authorization token for mAccount.
1413      */
1414     private void updateToken() {
1415         Bundle response = new Bundle();
1416         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1417         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1418
1419         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
1420                 equals(mAuthTokenType)) {
1421             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1422             // the next line is necessary, notifications are calling directly to the
1423             // AuthenticatorActivity to update, without AccountManager intervention
1424             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1425
1426         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1427                 equals(mAuthTokenType)) {
1428
1429             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1430             // the next line is necessary; by now, notifications are calling directly to the
1431             // AuthenticatorActivity to update, without AccountManager intervention
1432             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1433
1434         } else {
1435             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1436             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1437         }
1438         setAccountAuthenticatorResult(response);
1439
1440     }
1441
1442
1443     /**
1444      * Creates a new account through the Account Authenticator that started this activity.
1445      *
1446      * This makes the account permanent.
1447      *
1448      * TODO Decide how to name the OAuth accounts
1449      */
1450     private boolean createAccount() {
1451         /// create and save new ownCloud account
1452         boolean isOAuth = AccountTypeUtils.
1453                 getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1454         boolean isSaml =  AccountTypeUtils.
1455                 getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1456
1457         Uri uri = Uri.parse(mServerInfo.mBaseUrl);
1458         String username = mUsernameInput.getText().toString().trim();
1459         if (isOAuth) {
1460             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1461         }
1462         String accountName = com.owncloud.android.lib.common.accounts.AccountUtils.
1463                 buildAccountName(uri, username);
1464         Account newAccount = new Account(accountName, MainApp.getAccountType());
1465         if (AccountUtils.exists(newAccount, getApplicationContext())) {
1466             // fail - not a new account, but an existing one; disallow
1467             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1468             updateAuthStatusIconAndText(result);
1469             showAuthStatus();
1470             Log_OC.d(TAG, result.getLogMessage());
1471             return false;
1472
1473         } else {
1474             mAccount = newAccount;
1475
1476             if (isOAuth || isSaml) {
1477                 // with external authorizations, the password is never input in the app
1478                 mAccountMgr.addAccountExplicitly(mAccount, "", null);
1479             } else {
1480                 mAccountMgr.addAccountExplicitly(
1481                         mAccount, mPasswordInput.getText().toString(), null
1482                 );
1483             }
1484
1485             /// add the new account as default in preferences, if there is none already
1486             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1487             if (defaultAccount == null) {
1488                 SharedPreferences.Editor editor = PreferenceManager
1489                         .getDefaultSharedPreferences(this).edit();
1490                 editor.putString("select_oc_account", accountName);
1491                 editor.commit();
1492             }
1493
1494             /// prepare result to return to the Authenticator
1495             //  TODO check again what the Authenticator makes with it; probably has the same
1496             //  effect as addAccountExplicitly, but it's not well done
1497             final Intent intent = new Intent();
1498             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1499             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1500             /*if (!isOAuth)
1501                 intent.putExtra(AccountManager.KEY_AUTHTOKEN,   MainApp.getAccountType()); */
1502             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1503             if (isOAuth || isSaml) {
1504                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1505             }
1506             /// add user data to the new account; TODO probably can be done in the last parameter
1507             //      addAccountExplicitly, or in KEY_USERDATA
1508             mAccountMgr.setUserData(
1509                     mAccount, Constants.KEY_OC_VERSION,    mServerInfo.mVersion.getVersion()
1510             );
1511             mAccountMgr.setUserData(
1512                     mAccount, Constants.KEY_OC_BASE_URL,   mServerInfo.mBaseUrl
1513             );
1514
1515             if (isSaml) {
1516                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1517             } else if (isOAuth) {
1518                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1519             }
1520
1521             setAccountAuthenticatorResult(intent.getExtras());
1522             setResult(RESULT_OK, intent);
1523
1524             return true;
1525         }
1526     }
1527
1528
1529     /**
1530      * Starts and activity to open the 'new account' page in the ownCloud web site
1531      *
1532      * @param view      'Account register' button
1533      */
1534     public void onRegisterClick(View view) {
1535         Intent register = new Intent(
1536                 Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url))
1537         );
1538         setResult(RESULT_CANCELED);
1539         startActivity(register);
1540     }
1541
1542
1543     /**
1544      * Updates the content and visibility state of the icon and text associated
1545      * to the last check on the ownCloud server.
1546      *
1547      * @param serverStatusText      Resource identifier of the text to show.
1548      * @param serverStatusIcon      Resource identifier of the icon to show.
1549      */
1550     private void showServerStatus() {
1551         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1552             mServerStatusView.setVisibility(View.INVISIBLE);
1553
1554         } else {
1555             mServerStatusView.setText(mServerStatusText);
1556             mServerStatusView.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1557             mServerStatusView.setVisibility(View.VISIBLE);
1558         }
1559
1560     }
1561
1562
1563     /**
1564      * Updates the content and visibility state of the icon and text associated
1565      * to the interactions with the OAuth authorization server.
1566      */
1567     private void showAuthStatus() {
1568         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1569             mAuthStatusView.setVisibility(View.INVISIBLE);
1570
1571         } else {
1572             mAuthStatusView.setText(mAuthStatusText);
1573             mAuthStatusView.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1574             mAuthStatusView.setVisibility(View.VISIBLE);
1575         }
1576     }
1577
1578
1579     private void showRefreshButton (boolean show) {
1580         if (show)  {
1581             mRefreshButton.setVisibility(View.VISIBLE);
1582         } else {
1583             mRefreshButton.setVisibility(View.GONE);
1584         }
1585     }
1586
1587     /**
1588      * Called when the refresh button in the input field for ownCloud host is clicked.
1589      *
1590      * Performs a new check on the URL in the input field.
1591      *
1592      * @param view      Refresh 'button'
1593      */
1594     public void onRefreshClick(View view) {
1595         checkOcServer();
1596     }
1597
1598
1599     /**
1600      * Called when the eye icon in the password field is clicked.
1601      *
1602      * Toggles the visibility of the password in the field.
1603      */
1604     public void onViewPasswordClick() {
1605         int selectionStart = mPasswordInput.getSelectionStart();
1606         int selectionEnd = mPasswordInput.getSelectionEnd();
1607         if (isPasswordVisible()) {
1608             hidePassword();
1609         } else {
1610             showPassword();
1611         }
1612         mPasswordInput.setSelection(selectionStart, selectionEnd);
1613     }
1614
1615
1616     /**
1617      * Called when the checkbox for OAuth authorization is clicked.
1618      *
1619      * Hides or shows the input fields for user & password.
1620      *
1621      * @param view      'View password' 'button'
1622      */
1623     public void onCheckClick(View view) {
1624         CheckBox oAuth2Check = (CheckBox)view;
1625         if (oAuth2Check.isChecked()) {
1626             mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1627         } else {
1628             mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1629         }
1630         updateAuthenticationPreFragmentVisibility();
1631     }
1632
1633
1634     /**
1635      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1636      *
1637      *  Used to trigger the authentication check when the user presses 'enter' after writing the
1638      *  password, or to throw the server test when the only field on screen is the URL input field.
1639      */
1640     @Override
1641     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1642         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null &&
1643                 inputField.equals(mPasswordInput)) {
1644             if (mOkButton.isEnabled()) {
1645                 mOkButton.performClick();
1646             }
1647
1648         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null &&
1649                 inputField.equals(mHostUrlInput)) {
1650             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1651                     equals(mAuthTokenType)) {
1652                 checkOcServer();
1653             }
1654         }
1655         return false;   // always return false to grant that the software keyboard is hidden anyway
1656     }
1657
1658
1659     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1660
1661         private int fuzz = 75;
1662
1663         /**
1664          * {@inheritDoc}
1665          */
1666         @Override
1667         public boolean onTouch(View view, MotionEvent event) {
1668             Drawable rightDrawable = null;
1669             if (view instanceof TextView) {
1670                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1671                 if (drawables.length > 2) {
1672                     rightDrawable = drawables[2];
1673                 }
1674             }
1675             if (rightDrawable != null) {
1676                 final int x = (int) event.getX();
1677                 final int y = (int) event.getY();
1678                 final Rect bounds = rightDrawable.getBounds();
1679                 if (    x >= (view.getRight() - bounds.width() - fuzz) &&
1680                         x <= (view.getRight() - view.getPaddingRight() + fuzz) &&
1681                         y >= (view.getPaddingTop() - fuzz) &&
1682                         y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1683
1684                     return onDrawableTouch(event);
1685                 }
1686             }
1687             return false;
1688         }
1689
1690         public abstract boolean onDrawableTouch(final MotionEvent event);
1691     }
1692
1693
1694     private void getRemoteUserNameOperation(String sessionCookie, boolean followRedirects) {
1695
1696         Intent getUserNameIntent = new Intent();
1697         getUserNameIntent.setAction(OperationsService.ACTION_GET_USER_NAME);
1698         getUserNameIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mServerInfo.mBaseUrl);
1699         getUserNameIntent.putExtra(OperationsService.EXTRA_COOKIE, sessionCookie);
1700
1701         if (mOperationsServiceBinder != null) {
1702             //Log_OC.wtf(TAG, "starting getRemoteUserNameOperation..." );
1703             mWaitingForOpId = mOperationsServiceBinder.newOperation(getUserNameIntent);
1704         }
1705     }
1706
1707
1708     @Override
1709     public void onSsoFinished(String sessionCookie) {
1710         if (sessionCookie != null && sessionCookie.length() > 0) {
1711             Log_OC.d(TAG, "Successful SSO - time to save the account");
1712             mAuthToken = sessionCookie;
1713             getRemoteUserNameOperation(sessionCookie, true);
1714             Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1715             if (fd != null && fd instanceof SherlockDialogFragment) {
1716                 Dialog d = ((SherlockDialogFragment)fd).getDialog();
1717                 if (d != null && d.isShowing()) {
1718                     d.dismiss();
1719                 }
1720             }
1721
1722         } else {
1723             // TODO - show fail
1724             Log_OC.d(TAG, "SSO failed");
1725         }
1726
1727     }
1728
1729     @Override
1730     public boolean onTouchEvent(MotionEvent event) {
1731         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1732                 equals(mAuthTokenType) &&
1733                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1734             checkOcServer();
1735         }
1736         return super.onTouchEvent(event);
1737     }
1738
1739
1740     /**
1741      * Show untrusted cert dialog
1742      */
1743     public void showUntrustedCertDialog(
1744             X509Certificate x509Certificate, SslError error, SslErrorHandler handler
1745         ) {
1746         // Show a dialog with the certificate info
1747         SslUntrustedCertDialog dialog = null;
1748         if (x509Certificate == null) {
1749             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
1750         } else {
1751             dialog = SslUntrustedCertDialog.
1752                     newInstanceForFullSslError(x509Certificate, error, handler);
1753         }
1754         FragmentManager fm = getSupportFragmentManager();
1755         FragmentTransaction ft = fm.beginTransaction();
1756         ft.addToBackStack(null);
1757         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1758     }
1759
1760
1761     /**
1762      * Show untrusted cert dialog
1763      */
1764     private void showUntrustedCertDialog(RemoteOperationResult result) {
1765         // Show a dialog with the certificate info
1766         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.
1767                 newInstanceForFullSslError((CertificateCombinedException)result.getException());
1768         FragmentManager fm = getSupportFragmentManager();
1769         FragmentTransaction ft = fm.beginTransaction();
1770         ft.addToBackStack(null);
1771         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1772
1773     }
1774
1775     /**
1776      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1777      */
1778     public void onSavedCertificate() {
1779         Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1780         if (fd == null) {
1781             // if SAML dialog is not shown,
1782             // the SslDialog was shown due to an SSL error in the server check
1783             checkOcServer();
1784         }
1785     }
1786
1787     /**
1788      * Called from SslValidatorDialog when a new server certificate could not be saved
1789      * when the user requested it.
1790      */
1791     @Override
1792     public void onFailedSavingCertificate() {
1793         dismissDialog(SAML_DIALOG_TAG);
1794         Toast.makeText(this, R.string.ssl_validator_not_saved, Toast.LENGTH_LONG).show();
1795     }
1796
1797     @Override
1798     public void onCancelCertificate() {
1799         dismissDialog(SAML_DIALOG_TAG);
1800     }
1801
1802
1803     private void doOnResumeAndBound() {
1804         //Log_OC.wtf(TAG, "registering to listen for operation callbacks" );
1805         mOperationsServiceBinder.addOperationListener(AuthenticatorActivity.this, mHandler);
1806         if (mWaitingForOpId <= Integer.MAX_VALUE) {
1807             mOperationsServiceBinder.dispatchResultIfFinished((int)mWaitingForOpId, this);
1808         }
1809
1810         if (mPendingAutoCheck) {
1811             checkOcServer();
1812         }
1813     }
1814
1815
1816     private void dismissDialog(String dialogTag){
1817         Fragment frag = getSupportFragmentManager().findFragmentByTag(dialogTag);
1818         if (frag != null && frag instanceof SherlockDialogFragment) {
1819             SherlockDialogFragment dialog = (SherlockDialogFragment) frag;
1820             dialog.dismiss();
1821         }
1822     }
1823
1824
1825     /**
1826      * Implements callback methods for service binding.
1827      */
1828     private class OperationsServiceConnection implements ServiceConnection {
1829
1830         @Override
1831         public void onServiceConnected(ComponentName component, IBinder service) {
1832             if (component.equals(
1833                     new ComponentName(AuthenticatorActivity.this, OperationsService.class)
1834                 )) {
1835                 //Log_OC.wtf(TAG, "Operations service connected");
1836                 mOperationsServiceBinder = (OperationsServiceBinder) service;
1837
1838                 doOnResumeAndBound();
1839
1840             } else {
1841                 return;
1842             }
1843
1844         }
1845
1846         @Override
1847         public void onServiceDisconnected(ComponentName component) {
1848             if (component.equals(
1849                     new ComponentName(AuthenticatorActivity.this, OperationsService.class)
1850                 )) {
1851                 Log_OC.e(TAG, "Operations service crashed");
1852                 mOperationsServiceBinder = null;
1853             }
1854         }
1855
1856     }
1857
1858     /**
1859      * Create and show dialog for request authentication to the user
1860      * @param webView
1861      * @param handler
1862      */
1863     public void createAuthenticationDialog(WebView webView, HttpAuthHandler handler) {
1864
1865         // Show a dialog with the certificate info
1866         CredentialsDialogFragment dialog =
1867                 CredentialsDialogFragment.newInstanceForCredentials(webView, handler);
1868         FragmentManager fm = getSupportFragmentManager();
1869         FragmentTransaction ft = fm.beginTransaction();
1870         ft.addToBackStack(null);
1871         dialog.setCancelable(false);
1872         dialog.show(ft, CREDENTIALS_DIALOG_TAG);
1873
1874         if (!mIsFirstAuthAttempt) {
1875             Toast.makeText(
1876                     getApplicationContext(),
1877                     getText(R.string.saml_authentication_wrong_pass),
1878                     Toast.LENGTH_LONG
1879             ).show();
1880         } else {
1881             mIsFirstAuthAttempt = false;
1882         }
1883     }
1884
1885     /**
1886      * For retrieving the clicking on authentication cancel button
1887      */
1888     public void doNegativeAuthenticatioDialogClick(){
1889         mIsFirstAuthAttempt = true;
1890     }
1891 }