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

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author Bartek Przybylski
   5  *   @author David A. Velasco
   6  *   @author masensio
   7  *   Copyright (C) 2012  Bartek Przybylski
   8  *   Copyright (C) 2015 ownCloud Inc.
   9  *
  10  *   This program is free software: you can redistribute it and/or modify
  11  *   it under the terms of the GNU General Public License version 2,
  12  *   as published by the Free Software Foundation.
  13  *
  14  *   This program is distributed in the hope that it will be useful,
  15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *   GNU General Public License for more details.
  18  *
  19  *   You should have received a copy of the GNU General Public License
  20  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21  *
  22  */
  23
  24 package com.owncloud.android.authentication;
  25
  26 import java.security.cert.X509Certificate;
  27 import java.util.Map;
  28
  29 import android.accounts.Account;
  30 import android.accounts.AccountManager;
  31 import android.app.Dialog;
  32 import android.content.ComponentName;
  33 import android.content.Context;
  34 import android.content.Intent;
  35 import android.content.ServiceConnection;
  36 import android.content.SharedPreferences;
  37 import android.graphics.Rect;
  38 import android.graphics.drawable.Drawable;
  39 import android.net.Uri;
  40 import android.net.http.SslError;
  41 import android.os.Bundle;
  42 import android.os.Handler;
  43 import android.os.IBinder;
  44 import android.preference.PreferenceManager;
  45 import android.support.v4.app.Fragment;
  46 import android.support.v4.app.FragmentManager;
  47 import android.support.v4.app.FragmentTransaction;
  48 import android.text.Editable;
  49 import android.text.InputType;
  50 import android.text.TextWatcher;
  51 import android.view.KeyEvent;
  52 import android.view.MotionEvent;
  53 import android.view.View;
  54 import android.view.View.OnFocusChangeListener;
  55 import android.view.View.OnTouchListener;
  56 import android.view.Window;
  57 import android.view.inputmethod.EditorInfo;
  58 import android.webkit.HttpAuthHandler;
  59 import android.webkit.SslErrorHandler;
  60 import android.webkit.WebView;
  61 import android.widget.Button;
  62 import android.widget.CheckBox;
  63 import android.widget.EditText;
  64 import android.widget.TextView;
  65 import android.widget.TextView.OnEditorActionListener;
  66 import android.widget.Toast;
  67
  68 import com.actionbarsherlock.app.SherlockDialogFragment;
  69 import com.owncloud.android.MainApp;
  70 import com.owncloud.android.R;
  71 import com.owncloud.android.authentication.SsoWebViewClient.SsoWebViewClientListener;
  72 import com.owncloud.android.lib.common.OwnCloudCredentials;
  73 import com.owncloud.android.lib.common.OwnCloudCredentialsFactory;
  74 import com.owncloud.android.lib.common.accounts.AccountTypeUtils;
  75 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  76 import com.owncloud.android.lib.common.accounts.AccountUtils.Constants;
  77 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  78 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  79 import com.owncloud.android.lib.common.operations.RemoteOperation;
  80 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  81 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  82 import com.owncloud.android.lib.common.utils.Log_OC;
  83 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  84 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  85 import com.owncloud.android.operations.DetectAuthenticationMethodOperation.AuthenticationMethod;
  86 import com.owncloud.android.operations.GetServerInfoOperation;
  87 import com.owncloud.android.operations.OAuth2GetAccessToken;
  88 import com.owncloud.android.services.OperationsService;
  89 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  90 import com.owncloud.android.ui.dialog.CredentialsDialogFragment;
  91 import com.owncloud.android.ui.dialog.IndeterminateProgressDialog;
  92 import com.owncloud.android.ui.dialog.SamlWebViewDialog;
  93 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  94 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  95 import com.owncloud.android.utils.DisplayUtils;
  96
  97 /**
  98  * This Activity is used to add an ownCloud account to the App
  99  */
 100 public class AuthenticatorActivity extends AccountAuthenticatorActivity
 101         implements  OnRemoteOperationListener, OnFocusChangeListener, OnEditorActionListener,
 102         SsoWebViewClientListener, OnSslUntrustedCertListener,
 103         AuthenticatorAsyncTask.OnAuthenticatorTaskListener {
 104
 105     private static final String TAG = AuthenticatorActivity.class.getSimpleName();
 106
 107     public static final String EXTRA_ACTION = "ACTION";
 108     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 109
 110     private static final String KEY_AUTH_TOKEN_TYPE = "AUTH_TOKEN_TYPE";
 111
 112     private static final String KEY_HOST_URL_TEXT = "HOST_URL_TEXT";
 113     private static final String KEY_OC_VERSION = "OC_VERSION";
 114     private static final String KEY_SERVER_VALID = "SERVER_VALID";
 115     private static final String KEY_SERVER_CHECKED = "SERVER_CHECKED";
 116     private static final String KEY_SERVER_STATUS_TEXT = "SERVER_STATUS_TEXT";
 117     private static final String KEY_SERVER_STATUS_ICON = "SERVER_STATUS_ICON";
 118     private static final String KEY_IS_SSL_CONN = "IS_SSL_CONN";
 119     private static final String KEY_PASSWORD_EXPOSED = "PASSWORD_VISIBLE";
 120     private static final String KEY_AUTH_STATUS_TEXT = "AUTH_STATUS_TEXT";
 121     private static final String KEY_AUTH_STATUS_ICON = "AUTH_STATUS_ICON";
 122     private static final String KEY_SERVER_AUTH_METHOD = "SERVER_AUTH_METHOD";
 123     private static final String KEY_WAITING_FOR_OP_ID = "WAITING_FOR_OP_ID";
 124     private static final String KEY_AUTH_TOKEN = "AUTH_TOKEN";
 125
 126     private static final String AUTH_ON = "on";
 127     private static final String AUTH_OPTIONAL = "optional";
 128
 129     public static final byte ACTION_CREATE = 0;
 130     public static final byte ACTION_UPDATE_TOKEN = 1;               // requested by the user
 131     public static final byte ACTION_UPDATE_EXPIRED_TOKEN = 2;       // detected by the app
 132
 133     private static final String UNTRUSTED_CERT_DIALOG_TAG = "UNTRUSTED_CERT_DIALOG";
 134     private static final String SAML_DIALOG_TAG = "SAML_DIALOG";
 135     private static final String WAIT_DIALOG_TAG = "WAIT_DIALOG";
 136     private static final String CREDENTIALS_DIALOG_TAG = "CREDENTIALS_DIALOG";
 137     private static final String KEY_AUTH_IS_FIRST_ATTEMPT_TAG = "KEY_AUTH_IS_FIRST_ATTEMPT";
 138
 139     private static final String KEY_USERNAME = "USERNAME";
 140     private static final String KEY_PASSWORD = "PASSWORD";
 141     private static final String KEY_ASYNC_TASK_IN_PROGRESS = "AUTH_IN_PROGRESS";
 142
 143     /// parameters from EXTRAs in starter Intent
 144     private byte mAction;
 145     private Account mAccount;
 146     private String mAuthTokenType;
 147
 148
 149     /// activity-level references / state
 150     private final Handler mHandler = new Handler();
 151     private ServiceConnection mOperationsServiceConnection = null;
 152     private OperationsServiceBinder mOperationsServiceBinder = null;
 153     private AccountManager mAccountMgr;
 154     private Uri mNewCapturedUriFromOAuth2Redirection;
 155
 156
 157     /// Server PRE-Fragment elements
 158     private EditText mHostUrlInput;
 159     private View mRefreshButton;
 160     private TextView mServerStatusView;
 161
 162     private TextWatcher mHostUrlInputWatcher;
 163     private int mServerStatusText = 0, mServerStatusIcon = 0;
 164
 165     private boolean mServerIsChecked = false;
 166     private boolean mServerIsValid = false;
 167     private boolean mPendingAutoCheck = false;
 168
 169     private GetServerInfoOperation.ServerInfo mServerInfo =
 170             new GetServerInfoOperation.ServerInfo();
 171
 172
 173     /// Authentication PRE-Fragment elements
 174     private CheckBox mOAuth2Check;
 175     private TextView mOAuthAuthEndpointText;
 176     private TextView mOAuthTokenEndpointText;
 177     private EditText mUsernameInput;
 178     private EditText mPasswordInput;
 179     private View mOkButton;
 180     private TextView mAuthStatusView;
 181
 182     private int mAuthStatusText = 0, mAuthStatusIcon = 0;
 183
 184     private String mAuthToken = "";
 185     private AuthenticatorAsyncTask mAsyncTask;
 186
 187     private boolean mIsFirstAuthAttempt;
 188
 189     /// Identifier of operation in progress which result shouldn't be lost
 190     private long mWaitingForOpId = Long.MAX_VALUE;
 191
 192     private final String BASIC_TOKEN_TYPE = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 193     private final String OAUTH_TOKEN_TYPE = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
 194     private final String SAML_TOKEN_TYPE =
 195             AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 196
 197
 198     /**
 199      * {@inheritDoc}
 200      *
 201      * IMPORTANT ENTRY POINT 1: activity is shown to the user
 202      */
 203     @Override
 204     protected void onCreate(Bundle savedInstanceState) {
 205         //Log_OC.wtf(TAG,  "onCreate init");
 206         super.onCreate(savedInstanceState);
 207         getWindow().requestFeature(Window.FEATURE_NO_TITLE);
 208
 209         mIsFirstAuthAttempt = true;
 210
 211         // bind to Operations Service
 212         mOperationsServiceConnection = new OperationsServiceConnection();
 213         if (!bindService(new Intent(this, OperationsService.class),
 214                 mOperationsServiceConnection,
 215                 Context.BIND_AUTO_CREATE)) {
 216             Toast.makeText(this,
 217                     R.string.error_cant_bind_to_operations_service,
 218                     Toast.LENGTH_LONG)
 219                         .show();
 220             finish();
 221         }
 222
 223         /// init activity state
 224         mAccountMgr = AccountManager.get(this);
 225         mNewCapturedUriFromOAuth2Redirection = null;
 226
 227         /// get input values
 228         mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE);
 229         mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 230         if (savedInstanceState == null) {
 231             initAuthTokenType();
 232         } else {
 233             mAuthTokenType = savedInstanceState.getString(KEY_AUTH_TOKEN_TYPE);
 234             mWaitingForOpId = savedInstanceState.getLong(KEY_WAITING_FOR_OP_ID);
 235             mIsFirstAuthAttempt = savedInstanceState.getBoolean(KEY_AUTH_IS_FIRST_ATTEMPT_TAG);
 236         }
 237
 238         /// load user interface
 239         setContentView(R.layout.account_setup);
 240
 241         /// initialize general UI elements
 242         initOverallUi();
 243
 244         mOkButton = findViewById(R.id.buttonOK);
 245
 246         /// initialize block to be moved to single Fragment to check server and get info about it
 247         initServerPreFragment(savedInstanceState);
 248
 249         /// initialize block to be moved to single Fragment to retrieve and validate credentials
 250         initAuthorizationPreFragment(savedInstanceState);
 251
 252         //Log_OC.wtf(TAG,  "onCreate end");
 253     }
 254
 255     private void initAuthTokenType() {
 256         mAuthTokenType =
 257                 getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 258         if (mAuthTokenType == null) {
 259             if (mAccount != null) {
 260                 boolean oAuthRequired =
 261                     (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2) != null);
 262                 boolean samlWebSsoRequired = (
 263                     mAccountMgr.getUserData(
 264                         mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO
 265                     ) != null
 266                 );
 267                 mAuthTokenType = chooseAuthTokenType(oAuthRequired, samlWebSsoRequired);
 268
 269             } else {
 270                 boolean oAuthSupported = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
 271                 boolean samlWebSsoSupported =
 272                         AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));
 273                 mAuthTokenType = chooseAuthTokenType(oAuthSupported, samlWebSsoSupported);
 274             }
 275         }
 276     }
 277
 278     private String chooseAuthTokenType(boolean oauth, boolean saml) {
 279         if (saml) {
 280             return SAML_TOKEN_TYPE;
 281         } else if (oauth) {
 282              return OAUTH_TOKEN_TYPE;
 283         } else {
 284             return BASIC_TOKEN_TYPE;
 285         }
 286     }
 287
 288
 289     /**
 290      * Configures elements in the user interface under direct control of the Activity.
 291      */
 292     private void initOverallUi() {
 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             String username = savedInstanceState.getString(KEY_USERNAME);
 617             String password = savedInstanceState.getString(KEY_PASSWORD);
 618
 619             OwnCloudCredentials credentials = null;
 620             if (BASIC_TOKEN_TYPE.equals(mAuthTokenType)) {
 621                 credentials = OwnCloudCredentialsFactory.newBasicCredentials(username, password);
 622
 623             } else if (OAUTH_TOKEN_TYPE.equals(mAuthTokenType)) {
 624                 credentials = OwnCloudCredentialsFactory.newBearerCredentials(mAuthToken);
 625
 626             }
 627             accessRootFolder(credentials);
 628         }
 629     }
 630
 631     /**
 632      * The redirection triggered by the OAuth authentication server as response to the
 633      * GET AUTHORIZATION request is caught here.
 634      *
 635      * To make this possible, this activity needs to be qualified with android:launchMode =
 636      * "singleTask" in the AndroidManifest.xml file.
 637      */
 638     @Override
 639     protected void onNewIntent (Intent intent) {
 640         Log_OC.d(TAG, "onNewIntent()");
 641         Uri data = intent.getData();
 642         if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) {
 643             mNewCapturedUriFromOAuth2Redirection = data;
 644         }
 645     }
 646
 647
 648     /**
 649      * The redirection triggered by the OAuth authentication server as response to the
 650      * GET AUTHORIZATION, and deferred in {@link #onNewIntent(Intent)}, is processed here.
 651      */
 652     @Override
 653     protected void onResume() {
 654         super.onResume();
 655
 656         // bound here to avoid spurious changes triggered by Android on device rotations
 657         mHostUrlInput.setOnFocusChangeListener(this);
 658         mHostUrlInput.addTextChangedListener(mHostUrlInputWatcher);
 659
 660         if (mNewCapturedUriFromOAuth2Redirection != null) {
 661             getOAuth2AccessTokenFromCapturedRedirection();
 662         }
 663
 664         if (mOperationsServiceBinder != null) {
 665             doOnResumeAndBound();
 666         }
 667
 668     }
 669
 670
 671     @Override
 672     protected void onPause() {
 673         if (mOperationsServiceBinder != null) {
 674             mOperationsServiceBinder.removeOperationListener(this);
 675         }
 676
 677         mHostUrlInput.removeTextChangedListener(mHostUrlInputWatcher);
 678         mHostUrlInput.setOnFocusChangeListener(null);
 679
 680         super.onPause();
 681     }
 682
 683     @Override
 684     protected void onDestroy() {
 685
 686         mHostUrlInputWatcher = null;
 687
 688         if (mOperationsServiceConnection != null) {
 689             unbindService(mOperationsServiceConnection);
 690             mOperationsServiceBinder = null;
 691         }
 692         super.onDestroy();
 693     }
 694
 695
 696     /**
 697      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 698      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 699      */
 700     private void getOAuth2AccessTokenFromCapturedRedirection() {
 701         /// Parse data from OAuth redirection
 702         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 703         mNewCapturedUriFromOAuth2Redirection = null;
 704
 705         /// Showing the dialog with instructions for the user.
 706         IndeterminateProgressDialog dialog =
 707                 IndeterminateProgressDialog.newInstance(R.string.auth_getting_authorization, true);
 708         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 709
 710         /// GET ACCESS TOKEN to the oAuth server
 711         Intent getServerInfoIntent = new Intent();
 712         getServerInfoIntent.setAction(OperationsService.ACTION_OAUTH2_GET_ACCESS_TOKEN);
 713
 714         getServerInfoIntent.putExtra(
 715                 OperationsService.EXTRA_SERVER_URL,
 716                 mOAuthTokenEndpointText.getText().toString().trim());
 717
 718         getServerInfoIntent.putExtra(
 719                 OperationsService.EXTRA_OAUTH2_QUERY_PARAMETERS,
 720                 queryParameters);
 721
 722         if (mOperationsServiceBinder != null) {
 723             //Log_OC.wtf(TAG, "getting access token..." );
 724             mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getServerInfoIntent);
 725         }
 726     }
 727
 728
 729
 730     /**
 731      * Handles the change of focus on the text inputs for the server URL and the password
 732      */
 733     public void onFocusChange(View view, boolean hasFocus) {
 734         if (view.getId() == R.id.hostUrlInput) {
 735             if (!hasFocus) {
 736                 onUrlInputFocusLost();
 737             }
 738             else {
 739                 showRefreshButton(false);
 740             }
 741
 742         } else if (view.getId() == R.id.account_password) {
 743             onPasswordFocusChanged(hasFocus);
 744         }
 745     }
 746
 747
 748     /**
 749      * Handles changes in focus on the text input for the server URL.
 750      *
 751      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 752      * other field. The operation to check the existence of the server in the entered URL is
 753      * started.
 754      *
 755      * When hasFocus:    user 'comes back' to write again the server URL.
 756      */
 757     private void onUrlInputFocusLost() {
 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
 781             mServerStatusText = R.string.auth_testing_connection;
 782             mServerStatusIcon = R.drawable.progress_small;
 783             showServerStatus();
 784
 785             Intent getServerInfoIntent = new Intent();
 786             getServerInfoIntent.setAction(OperationsService.ACTION_GET_SERVER_INFO);
 787             getServerInfoIntent.putExtra(
 788                 OperationsService.EXTRA_SERVER_URL,
 789                 normalizeUrlSuffix(uri)
 790             );
 791             if (mOperationsServiceBinder != null) {
 792                 mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getServerInfoIntent);
 793             } else {
 794               Log_OC.wtf(TAG, "Server check tried with OperationService unbound!" );
 795             }
 796
 797         } else {
 798             mServerStatusText = 0;
 799             mServerStatusIcon = 0;
 800             showServerStatus();
 801         }
 802     }
 803
 804
 805     /**
 806      * Handles changes in focus on the text input for the password (basic authorization).
 807      *
 808      * When (hasFocus), the button to toggle password visibility is shown.
 809      *
 810      * When (!hasFocus), the button is made invisible and the password is hidden.
 811      *
 812      * @param hasFocus          'True' if focus is received, 'false' if is lost
 813      */
 814     private void onPasswordFocusChanged(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             return;
 880         }
 881
 882         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
 883                 equals(mAuthTokenType)) {
 884
 885             startOauthorization();
 886         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 887                 equals(mAuthTokenType)) {
 888
 889             startSamlBasedFederatedSingleSignOnAuthorization();
 890         } else {
 891             checkBasicAuthorization();
 892         }
 893     }
 894
 895
 896     /**
 897      * Tests the credentials entered by the user performing a check of existence on
 898      * the root folder of the ownCloud server.
 899      */
 900     private void checkBasicAuthorization() {
 901         /// get basic credentials entered by user
 902         String username = mUsernameInput.getText().toString();
 903         String password = mPasswordInput.getText().toString();
 904
 905         /// be gentle with the user
 906         IndeterminateProgressDialog dialog =
 907                 IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
 908         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 909
 910         /// validate credentials accessing the root folder
 911         OwnCloudCredentials credentials = OwnCloudCredentialsFactory.newBasicCredentials(username, password);
 912         accessRootFolder(credentials);
 913     }
 914
 915     private void accessRootFolder(OwnCloudCredentials credentials) {
 916         mAsyncTask = new AuthenticatorAsyncTask(this);
 917         Object[] params = { mServerInfo.mBaseUrl, credentials };
 918         mAsyncTask.execute(params);
 919     }
 920
 921
 922     /**
 923      * Starts the OAuth 'grant type' flow to get an access token, with
 924      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 925      */
 926     private void startOauthorization() {
 927         // be gentle with the user
 928         mAuthStatusIcon = R.drawable.progress_small;
 929         mAuthStatusText = R.string.oauth_login_connection;
 930         showAuthStatus();
 931
 932         // GET AUTHORIZATION request
 933         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 934         Uri.Builder uriBuilder = uri.buildUpon();
 935         uriBuilder.appendQueryParameter(
 936                 OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type)
 937         );
 938         uriBuilder.appendQueryParameter(
 939                 OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri)
 940         );
 941         uriBuilder.appendQueryParameter(
 942                 OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id)
 943         );
 944         uriBuilder.appendQueryParameter(
 945                 OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope)
 946         );
 947         uri = uriBuilder.build();
 948         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 949         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 950         startActivity(i);
 951     }
 952
 953
 954     /**
 955      * Starts the Web Single Sign On flow to get access to the root folder
 956      * in the server.
 957      */
 958     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 959         /// be gentle with the user
 960         mAuthStatusIcon = R.drawable.progress_small;
 961         mAuthStatusText = R.string.auth_connecting_auth_server;
 962         showAuthStatus();
 963
 964         /// Show SAML-based SSO web dialog
 965         String targetUrl = mServerInfo.mBaseUrl
 966                 + AccountUtils.getWebdavPath(mServerInfo.mVersion, mAuthTokenType);
 967         SamlWebViewDialog dialog = SamlWebViewDialog.newInstance(targetUrl, targetUrl);
 968         dialog.show(getSupportFragmentManager(), SAML_DIALOG_TAG);
 969     }
 970
 971     /**
 972      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 973      *
 974      * Dispatches the operation flow to the right method.
 975      */
 976     @Override
 977     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 978
 979         if (operation instanceof GetServerInfoOperation) {
 980             if (operation.hashCode() == mWaitingForOpId) {
 981                 onGetServerInfoFinish(result);
 982             }   // else nothing ; only the last check operation is considered;
 983                 // multiple can be started if the user amends a URL quickly
 984
 985         } else if (operation instanceof OAuth2GetAccessToken) {
 986             onGetOAuthAccessTokenFinish(result);
 987
 988         } else if (operation instanceof GetRemoteUserNameOperation) {
 989             onGetUserNameFinish(result);
 990         }
 991
 992     }
 993
 994     private void onGetUserNameFinish(RemoteOperationResult result) {
 995         mWaitingForOpId = Long.MAX_VALUE;
 996         if (result.isSuccess()) {
 997             boolean success = false;
 998             String username = (String) result.getData().get(0);
 999
1000             if ( mAction == ACTION_CREATE) {
1001                 mUsernameInput.setText(username);
1002                 success = createAccount();
1003             } else {
1004
1005                 if (!mUsernameInput.getText().toString().equals(username)) {
1006                     // fail - not a new account, but an existing one; disallow
1007                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
1008                     mAuthToken = "";
1009                     updateAuthStatusIconAndText(result);
1010                     showAuthStatus();
1011                     Log_OC.d(TAG, result.getLogMessage());
1012                 } else {
1013                     try {
1014                         updateAccountAuthentication();
1015                         success = true;
1016
1017                     } catch (AccountNotFoundException e) {
1018                         Log_OC.e(TAG, "Account " + mAccount + " was removed!", e);
1019                         Toast.makeText(this, R.string.auth_account_does_not_exist, Toast.LENGTH_SHORT).show();
1020                         finish();
1021                     }
1022                 }
1023             }
1024
1025             if (success)
1026                 finish();
1027         } else {
1028             updateStatusIconFailUserName();
1029             showAuthStatus();
1030             Log_OC.e(TAG, "Access to user name failed: " + result.getLogMessage());
1031         }
1032
1033     }
1034
1035     /**
1036      * Processes the result of the server check performed when the user finishes the enter of the
1037      * server URL.
1038      *
1039      * @param result        Result of the check.
1040      */
1041     private void onGetServerInfoFinish(RemoteOperationResult result) {
1042         /// update activity state
1043         mServerIsChecked = true;
1044         mWaitingForOpId = Long.MAX_VALUE;
1045
1046         // update server status, but don't show it yet
1047         updateServerStatusIconAndText(result);
1048
1049         if (result.isSuccess()) {
1050             /// SUCCESS means:
1051             //      1. connection succeeded, and we know if it's SSL or not
1052             //      2. server is installed
1053             //      3. we got the server version
1054             //      4. we got the authentication method required by the server
1055             mServerInfo = (GetServerInfoOperation.ServerInfo) (result.getData().get(0));
1056
1057             if (!authSupported(mServerInfo.mAuthMethod)) {
1058
1059                 updateServerStatusIconNoRegularAuth();  // overrides updateServerStatusIconAndText()
1060                 mServerIsValid = false;
1061
1062             } else {
1063                 mServerIsValid = true;
1064             }
1065
1066         } else {
1067             mServerIsValid = false;
1068         }
1069
1070         // refresh UI
1071         showRefreshButton(!mServerIsValid);
1072         showServerStatus();
1073         mOkButton.setEnabled(mServerIsValid);
1074
1075         /// very special case (TODO: move to a common place for all the remote operations)
1076         if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1077             showUntrustedCertDialog(result);
1078         }
1079     }
1080
1081
1082     private boolean authSupported(AuthenticationMethod authMethod) {
1083         return (( BASIC_TOKEN_TYPE.equals(mAuthTokenType) &&
1084                     AuthenticationMethod.BASIC_HTTP_AUTH.equals(authMethod) ) ||
1085                 ( OAUTH_TOKEN_TYPE.equals(mAuthTokenType) &&
1086                     AuthenticationMethod.BEARER_TOKEN.equals(authMethod)) ||
1087                 ( SAML_TOKEN_TYPE.equals(mAuthTokenType)  &&
1088                     AuthenticationMethod.SAML_WEB_SSO.equals(authMethod))
1089         );
1090     }
1091
1092
1093     // TODO remove, if possible
1094     private String normalizeUrl(String url, boolean sslWhenUnprefixed) {
1095         if (url != null && url.length() > 0) {
1096             url = url.trim();
1097             if (!url.toLowerCase().startsWith("http://") &&
1098                     !url.toLowerCase().startsWith("https://")) {
1099                 if (sslWhenUnprefixed) {
1100                     url = "https://" + url;
1101                 } else {
1102                     url = "http://" + url;
1103                 }
1104             }
1105
1106             url = normalizeUrlSuffix(url);
1107         }
1108         return (url != null ? url : "");
1109     }
1110
1111
1112     private String normalizeUrlSuffix(String url) {
1113         if (url.endsWith("/")) {
1114             url = url.substring(0, url.length() - 1);
1115         }
1116         url = trimUrlWebdav(url);
1117         return url;
1118     }
1119
1120
1121     // TODO remove, if possible
1122     private String trimUrlWebdav(String url){
1123         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0_AND_LATER)){
1124             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0_AND_LATER.length());
1125         }
1126         return (url != null ? url : "");
1127     }
1128
1129
1130     /**
1131      * Chooses the right icon and text to show to the user for the received operation result.
1132      *
1133      * @param result    Result of a remote operation performed in this activity
1134      */
1135     private void updateServerStatusIconAndText(RemoteOperationResult result) {
1136         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1137
1138         switch (result.getCode()) {
1139         case OK_SSL:
1140             mServerStatusIcon = android.R.drawable.ic_secure;
1141             mServerStatusText = R.string.auth_secure_connection;
1142             break;
1143
1144         case OK_NO_SSL:
1145         case OK:
1146             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1147                 mServerStatusText = R.string.auth_connection_established;
1148                 mServerStatusIcon = R.drawable.ic_ok;
1149             } else {
1150                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1151                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
1152             }
1153             break;
1154
1155         case NO_NETWORK_CONNECTION:
1156             mServerStatusIcon = R.drawable.no_network;
1157             mServerStatusText = R.string.auth_no_net_conn_title;
1158             break;
1159
1160         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1161             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1162             break;
1163         case BAD_OC_VERSION:
1164             mServerStatusText = R.string.auth_bad_oc_version_title;
1165             break;
1166         case WRONG_CONNECTION:
1167             mServerStatusText = R.string.auth_wrong_connection_title;
1168             break;
1169         case TIMEOUT:
1170             mServerStatusText = R.string.auth_timeout_title;
1171             break;
1172         case INCORRECT_ADDRESS:
1173             mServerStatusText = R.string.auth_incorrect_address_title;
1174             break;
1175         case SSL_ERROR:
1176             mServerStatusText = R.string.auth_ssl_general_error_title;
1177             break;
1178         case UNAUTHORIZED:
1179             mServerStatusText = R.string.auth_unauthorized;
1180             break;
1181         case HOST_NOT_AVAILABLE:
1182             mServerStatusText = R.string.auth_unknown_host_title;
1183             break;
1184         case INSTANCE_NOT_CONFIGURED:
1185             mServerStatusText = R.string.auth_not_configured_title;
1186             break;
1187         case FILE_NOT_FOUND:
1188             mServerStatusText = R.string.auth_incorrect_path_title;
1189             break;
1190         case OAUTH2_ERROR:
1191             mServerStatusText = R.string.auth_oauth_error;
1192             break;
1193         case OAUTH2_ERROR_ACCESS_DENIED:
1194             mServerStatusText = R.string.auth_oauth_error_access_denied;
1195             break;
1196         case UNHANDLED_HTTP_CODE:
1197         case UNKNOWN_ERROR:
1198             mServerStatusText = R.string.auth_unknown_error_title;
1199             break;
1200         case OK_REDIRECT_TO_NON_SECURE_CONNECTION:
1201             mServerStatusIcon = android.R.drawable.ic_partial_secure;
1202             mServerStatusText = R.string.auth_redirect_non_secure_connection_title;
1203             break;
1204         default:
1205             mServerStatusText = 0;
1206             mServerStatusIcon = 0;
1207         }
1208     }
1209
1210
1211     /**
1212      * Chooses the right icon and text to show to the user for the received operation result.
1213      *
1214      * @param result    Result of a remote operation performed in this activity
1215      */
1216     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1217         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1218
1219         switch (result.getCode()) {
1220         case OK_SSL:
1221             mAuthStatusIcon = android.R.drawable.ic_secure;
1222             mAuthStatusText = R.string.auth_secure_connection;
1223             break;
1224
1225         case OK_NO_SSL:
1226         case OK:
1227             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1228                 mAuthStatusText = R.string.auth_connection_established;
1229                 mAuthStatusIcon = R.drawable.ic_ok;
1230             } else {
1231                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1232                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
1233             }
1234             break;
1235
1236         case NO_NETWORK_CONNECTION:
1237             mAuthStatusIcon = R.drawable.no_network;
1238             mAuthStatusText = R.string.auth_no_net_conn_title;
1239             break;
1240
1241         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1242             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1243             break;
1244         case BAD_OC_VERSION:
1245             mAuthStatusText = R.string.auth_bad_oc_version_title;
1246             break;
1247         case WRONG_CONNECTION:
1248             mAuthStatusText = R.string.auth_wrong_connection_title;
1249             break;
1250         case TIMEOUT:
1251             mAuthStatusText = R.string.auth_timeout_title;
1252             break;
1253         case INCORRECT_ADDRESS:
1254             mAuthStatusText = R.string.auth_incorrect_address_title;
1255             break;
1256         case SSL_ERROR:
1257             mAuthStatusText = R.string.auth_ssl_general_error_title;
1258             break;
1259         case UNAUTHORIZED:
1260             mAuthStatusText = R.string.auth_unauthorized;
1261             break;
1262         case HOST_NOT_AVAILABLE:
1263             mAuthStatusText = R.string.auth_unknown_host_title;
1264             break;
1265         case INSTANCE_NOT_CONFIGURED:
1266             mAuthStatusText = R.string.auth_not_configured_title;
1267             break;
1268         case FILE_NOT_FOUND:
1269             mAuthStatusText = R.string.auth_incorrect_path_title;
1270             break;
1271         case OAUTH2_ERROR:
1272             mAuthStatusText = R.string.auth_oauth_error;
1273             break;
1274         case OAUTH2_ERROR_ACCESS_DENIED:
1275             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1276             break;
1277         case ACCOUNT_NOT_NEW:
1278             mAuthStatusText = R.string.auth_account_not_new;
1279             break;
1280         case ACCOUNT_NOT_THE_SAME:
1281             mAuthStatusText = R.string.auth_account_not_the_same;
1282             break;
1283         case UNHANDLED_HTTP_CODE:
1284         case UNKNOWN_ERROR:
1285             mAuthStatusText = R.string.auth_unknown_error_title;
1286             break;
1287         default:
1288             mAuthStatusText = 0;
1289             mAuthStatusIcon = 0;
1290         }
1291     }
1292
1293
1294     private void updateStatusIconFailUserName(){
1295         mAuthStatusIcon = R.drawable.common_error;
1296         mAuthStatusText = R.string.auth_fail_get_user_name;
1297     }
1298
1299     private void updateServerStatusIconNoRegularAuth(){
1300         mServerStatusIcon = R.drawable.common_error;
1301         mServerStatusText = R.string.auth_can_not_auth_against_server;
1302     }
1303
1304     /**
1305      * Processes the result of the request for and access token send
1306      * to an OAuth authorization server.
1307      *
1308      * @param result        Result of the operation.
1309      */
1310     private void onGetOAuthAccessTokenFinish(RemoteOperationResult result) {
1311         mWaitingForOpId = Long.MAX_VALUE;
1312         dismissDialog(WAIT_DIALOG_TAG);
1313
1314         if (result.isSuccess()) {
1315             /// be gentle with the user
1316             IndeterminateProgressDialog dialog =
1317                     IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
1318             dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
1319
1320             /// time to test the retrieved access token on the ownCloud server
1321             @SuppressWarnings("unchecked")
1322             Map<String, String> tokens = (Map<String, String>)(result.getData().get(0));
1323             mAuthToken = tokens.get(OAuth2Constants.KEY_ACCESS_TOKEN);
1324             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1325
1326             /// validate token accessing to root folder / getting session
1327             OwnCloudCredentials credentials = OwnCloudCredentialsFactory.newBearerCredentials(mAuthToken);
1328             accessRootFolder(credentials);
1329
1330         } else {
1331             updateAuthStatusIconAndText(result);
1332             showAuthStatus();
1333             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1334         }
1335     }
1336
1337
1338     /**
1339      * Processes the result of the access check performed to try the user credentials.
1340      *
1341      * Creates a new account through the AccountManager.
1342      *
1343      * @param result        Result of the operation.
1344      */
1345     @Override
1346     public void onAuthenticatorTaskCallback(RemoteOperationResult result) {
1347         mWaitingForOpId = Long.MAX_VALUE;
1348         dismissDialog(WAIT_DIALOG_TAG);
1349
1350         if (result.isSuccess()) {
1351             Log_OC.d(TAG, "Successful access - time to save the account");
1352
1353             boolean success = false;
1354             if (mAction == ACTION_CREATE) {
1355                 success = createAccount();
1356
1357             } else {
1358                 try {
1359                     updateAccountAuthentication();
1360                     success = true;
1361
1362                 } catch (AccountNotFoundException e) {
1363                     Log_OC.e(TAG, "Account " + mAccount + " was removed!", e);
1364                     Toast.makeText(this, R.string.auth_account_does_not_exist, Toast.LENGTH_SHORT).show();
1365                     finish();
1366                 }
1367             }
1368
1369             if (success) {
1370                 finish();
1371             }
1372
1373         } else if (result.isServerFail() || result.isException()) {
1374             /// server errors or exceptions in authorization take to requiring a new check of
1375             /// the server
1376             mServerIsChecked = true;
1377             mServerIsValid = false;
1378             mServerInfo = new GetServerInfoOperation.ServerInfo();
1379
1380             // update status icon and text
1381             updateServerStatusIconAndText(result);
1382             showServerStatus();
1383             mAuthStatusIcon = 0;
1384             mAuthStatusText = 0;
1385             showAuthStatus();
1386
1387             // update input controls state
1388             showRefreshButton(true);
1389             mOkButton.setEnabled(false);
1390
1391             // very special case (TODO: move to a common place for all the remote operations)
1392             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1393                 showUntrustedCertDialog(result);
1394             }
1395
1396         } else {    // authorization fail due to client side - probably wrong credentials
1397             updateAuthStatusIconAndText(result);
1398             showAuthStatus();
1399             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1400         }
1401     }
1402
1403
1404
1405
1406     /**
1407      * Updates the authentication token.
1408      *
1409      * Sets the proper response so that the AccountAuthenticator that started this activity
1410      * saves a new authorization token for mAccount.
1411      *
1412      * Kills the session kept by OwnCloudClientManager so that a new one will created with
1413      * the new credentials when needed.
1414      */
1415     private void updateAccountAuthentication() throws AccountNotFoundException {
1416
1417         Bundle response = new Bundle();
1418         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1419         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1420
1421         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
1422                 equals(mAuthTokenType)) {
1423             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1424             // the next line is necessary, notifications are calling directly to the
1425             // AuthenticatorActivity to update, without AccountManager intervention
1426             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1427
1428         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1429                 equals(mAuthTokenType)) {
1430
1431             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1432             // the next line is necessary; by now, notifications are calling directly to the
1433             // AuthenticatorActivity to update, without AccountManager intervention
1434             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1435
1436         } else {
1437             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1438             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1439         }
1440         setAccountAuthenticatorResult(response);
1441
1442     }
1443
1444
1445     /**
1446      * Creates a new account through the Account Authenticator that started this activity.
1447      *
1448      * This makes the account permanent.
1449      *
1450      * TODO Decide how to name the OAuth accounts
1451      */
1452     private boolean createAccount() {
1453         /// create and save new ownCloud account
1454         boolean isOAuth = AccountTypeUtils.
1455                 getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1456         boolean isSaml =  AccountTypeUtils.
1457                 getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1458
1459         Uri uri = Uri.parse(mServerInfo.mBaseUrl);
1460         String username = mUsernameInput.getText().toString().trim();
1461         if (isOAuth) {
1462             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1463         }
1464         String accountName = com.owncloud.android.lib.common.accounts.AccountUtils.
1465                 buildAccountName(uri, username);
1466         Account newAccount = new Account(accountName, MainApp.getAccountType());
1467         if (AccountUtils.exists(newAccount, getApplicationContext())) {
1468             // fail - not a new account, but an existing one; disallow
1469             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1470             updateAuthStatusIconAndText(result);
1471             showAuthStatus();
1472             Log_OC.d(TAG, result.getLogMessage());
1473             return false;
1474
1475         } else {
1476             mAccount = newAccount;
1477
1478             if (isOAuth || isSaml) {
1479                 // with external authorizations, the password is never input in the app
1480                 mAccountMgr.addAccountExplicitly(mAccount, "", null);
1481             } else {
1482                 mAccountMgr.addAccountExplicitly(
1483                         mAccount, mPasswordInput.getText().toString(), null
1484                 );
1485             }
1486
1487             // include account version with the new account
1488             mAccountMgr.setUserData(
1489                 mAccount,
1490                 Constants.KEY_OC_ACCOUNT_VERSION,
1491                 Integer.toString(AccountUtils.ACCOUNT_VERSION)
1492             );
1493
1494             /// add the new account as default in preferences, if there is none already
1495             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1496             if (defaultAccount == null) {
1497                 SharedPreferences.Editor editor = PreferenceManager
1498                         .getDefaultSharedPreferences(this).edit();
1499                 editor.putString("select_oc_account", accountName);
1500                 editor.commit();
1501             }
1502
1503             /// prepare result to return to the Authenticator
1504             //  TODO check again what the Authenticator makes with it; probably has the same
1505             //  effect as addAccountExplicitly, but it's not well done
1506             final Intent intent = new Intent();
1507             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1508             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1509             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1510             if (isOAuth || isSaml) {
1511                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1512             }
1513             /// add user data to the new account; TODO probably can be done in the last parameter
1514             //      addAccountExplicitly, or in KEY_USERDATA
1515             mAccountMgr.setUserData(
1516                     mAccount, Constants.KEY_OC_VERSION,    mServerInfo.mVersion.getVersion()
1517             );
1518             mAccountMgr.setUserData(
1519                     mAccount, Constants.KEY_OC_BASE_URL,   mServerInfo.mBaseUrl
1520             );
1521
1522             if (isSaml) {
1523                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1524             } else if (isOAuth) {
1525                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1526             }
1527
1528             setAccountAuthenticatorResult(intent.getExtras());
1529             setResult(RESULT_OK, intent);
1530
1531             return true;
1532         }
1533     }
1534
1535
1536     /**
1537      * Starts and activity to open the 'new account' page in the ownCloud web site
1538      *
1539      * @param view      'Account register' button
1540      */
1541     public void onRegisterClick(View view) {
1542         Intent register = new Intent(
1543                 Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url))
1544         );
1545         setResult(RESULT_CANCELED);
1546         startActivity(register);
1547     }
1548
1549
1550     /**
1551      * Updates the content and visibility state of the icon and text associated
1552      * to the last check on the ownCloud server.
1553      *
1554      */
1555     private void showServerStatus() {
1556         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1557             mServerStatusView.setVisibility(View.INVISIBLE);
1558
1559         } else {
1560             mServerStatusView.setText(mServerStatusText);
1561             mServerStatusView.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1562             mServerStatusView.setVisibility(View.VISIBLE);
1563         }
1564
1565     }
1566
1567
1568     /**
1569      * Updates the content and visibility state of the icon and text associated
1570      * to the interactions with the OAuth authorization server.
1571      */
1572     private void showAuthStatus() {
1573         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1574             mAuthStatusView.setVisibility(View.INVISIBLE);
1575
1576         } else {
1577             mAuthStatusView.setText(mAuthStatusText);
1578             mAuthStatusView.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1579             mAuthStatusView.setVisibility(View.VISIBLE);
1580         }
1581     }
1582
1583
1584     private void showRefreshButton (boolean show) {
1585         if (show)  {
1586             mRefreshButton.setVisibility(View.VISIBLE);
1587         } else {
1588             mRefreshButton.setVisibility(View.GONE);
1589         }
1590     }
1591
1592     /**
1593      * Called when the refresh button in the input field for ownCloud host is clicked.
1594      *
1595      * Performs a new check on the URL in the input field.
1596      *
1597      * @param view      Refresh 'button'
1598      */
1599     public void onRefreshClick(View view) {
1600         checkOcServer();
1601     }
1602
1603
1604     /**
1605      * Called when the eye icon in the password field is clicked.
1606      *
1607      * Toggles the visibility of the password in the field.
1608      */
1609     public void onViewPasswordClick() {
1610         int selectionStart = mPasswordInput.getSelectionStart();
1611         int selectionEnd = mPasswordInput.getSelectionEnd();
1612         if (isPasswordVisible()) {
1613             hidePassword();
1614         } else {
1615             showPassword();
1616         }
1617         mPasswordInput.setSelection(selectionStart, selectionEnd);
1618     }
1619
1620
1621     /**
1622      * Called when the checkbox for OAuth authorization is clicked.
1623      *
1624      * Hides or shows the input fields for user & password.
1625      *
1626      * @param view      'View password' 'button'
1627      */
1628     public void onCheckClick(View view) {
1629         CheckBox oAuth2Check = (CheckBox)view;
1630         if (oAuth2Check.isChecked()) {
1631             mAuthTokenType = OAUTH_TOKEN_TYPE;
1632         } else {
1633             mAuthTokenType = BASIC_TOKEN_TYPE;
1634         }
1635         updateAuthenticationPreFragmentVisibility();
1636     }
1637
1638
1639     /**
1640      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1641      *
1642      *  Used to trigger the authentication check when the user presses 'enter' after writing the
1643      *  password, or to throw the server test when the only field on screen is the URL input field.
1644      */
1645     @Override
1646     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1647         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null &&
1648                 inputField.equals(mPasswordInput)) {
1649             if (mOkButton.isEnabled()) {
1650                 mOkButton.performClick();
1651             }
1652
1653         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null &&
1654                 inputField.equals(mHostUrlInput)) {
1655             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1656                     equals(mAuthTokenType)) {
1657                 checkOcServer();
1658             }
1659         }
1660         return false;   // always return false to grant that the software keyboard is hidden anyway
1661     }
1662
1663
1664     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1665
1666         private int fuzz = 75;
1667
1668         /**
1669          * {@inheritDoc}
1670          */
1671         @Override
1672         public boolean onTouch(View view, MotionEvent event) {
1673             Drawable rightDrawable = null;
1674             if (view instanceof TextView) {
1675                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1676                 if (drawables.length > 2) {
1677                     rightDrawable = drawables[2];
1678                 }
1679             }
1680             if (rightDrawable != null) {
1681                 final int x = (int) event.getX();
1682                 final int y = (int) event.getY();
1683                 final Rect bounds = rightDrawable.getBounds();
1684                 if (    x >= (view.getRight() - bounds.width() - fuzz) &&
1685                         x <= (view.getRight() - view.getPaddingRight() + fuzz) &&
1686                         y >= (view.getPaddingTop() - fuzz) &&
1687                         y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1688
1689                     return onDrawableTouch(event);
1690                 }
1691             }
1692             return false;
1693         }
1694
1695         public abstract boolean onDrawableTouch(final MotionEvent event);
1696     }
1697
1698
1699     private void getRemoteUserNameOperation(String sessionCookie, boolean followRedirects) {
1700
1701         Intent getUserNameIntent = new Intent();
1702         getUserNameIntent.setAction(OperationsService.ACTION_GET_USER_NAME);
1703         getUserNameIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mServerInfo.mBaseUrl);
1704         getUserNameIntent.putExtra(OperationsService.EXTRA_COOKIE, sessionCookie);
1705
1706         if (mOperationsServiceBinder != null) {
1707             mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getUserNameIntent);
1708         }
1709     }
1710
1711
1712     @Override
1713     public void onSsoFinished(String sessionCookie) {
1714         if (sessionCookie != null && sessionCookie.length() > 0) {
1715             Log_OC.d(TAG, "Successful SSO - time to save the account");
1716             mAuthToken = sessionCookie;
1717             getRemoteUserNameOperation(sessionCookie, true);
1718             Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1719             if (fd != null && fd instanceof SherlockDialogFragment) {
1720                 Dialog d = ((SherlockDialogFragment)fd).getDialog();
1721                 if (d != null && d.isShowing()) {
1722                     d.dismiss();
1723                 }
1724             }
1725
1726         } else {
1727             // TODO - show fail
1728             Log_OC.d(TAG, "SSO failed");
1729         }
1730
1731     }
1732
1733     @Override
1734     public boolean onTouchEvent(MotionEvent event) {
1735         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1736                 equals(mAuthTokenType) &&
1737                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1738             checkOcServer();
1739         }
1740         return super.onTouchEvent(event);
1741     }
1742
1743
1744     /**
1745      * Show untrusted cert dialog
1746      */
1747     public void showUntrustedCertDialog(
1748             X509Certificate x509Certificate, SslError error, SslErrorHandler handler
1749         ) {
1750         // Show a dialog with the certificate info
1751         SslUntrustedCertDialog dialog = null;
1752         if (x509Certificate == null) {
1753             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
1754         } else {
1755             dialog = SslUntrustedCertDialog.
1756                     newInstanceForFullSslError(x509Certificate, error, handler);
1757         }
1758         FragmentManager fm = getSupportFragmentManager();
1759         FragmentTransaction ft = fm.beginTransaction();
1760         ft.addToBackStack(null);
1761         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1762     }
1763
1764
1765     /**
1766      * Show untrusted cert dialog
1767      */
1768     private void showUntrustedCertDialog(RemoteOperationResult result) {
1769         // Show a dialog with the certificate info
1770         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.
1771                 newInstanceForFullSslError((CertificateCombinedException)result.getException());
1772         FragmentManager fm = getSupportFragmentManager();
1773         FragmentTransaction ft = fm.beginTransaction();
1774         ft.addToBackStack(null);
1775         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1776
1777     }
1778
1779     /**
1780      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1781      */
1782     public void onSavedCertificate() {
1783         Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1784         if (fd == null) {
1785             // if SAML dialog is not shown,
1786             // the SslDialog was shown due to an SSL error in the server check
1787             checkOcServer();
1788         }
1789     }
1790
1791     /**
1792      * Called from SslValidatorDialog when a new server certificate could not be saved
1793      * when the user requested it.
1794      */
1795     @Override
1796     public void onFailedSavingCertificate() {
1797         dismissDialog(SAML_DIALOG_TAG);
1798         Toast.makeText(this, R.string.ssl_validator_not_saved, Toast.LENGTH_LONG).show();
1799     }
1800
1801     @Override
1802     public void onCancelCertificate() {
1803         dismissDialog(SAML_DIALOG_TAG);
1804     }
1805
1806
1807     private void doOnResumeAndBound() {
1808         //Log_OC.wtf(TAG, "registering to listen for operation callbacks" );
1809         mOperationsServiceBinder.addOperationListener(AuthenticatorActivity.this, mHandler);
1810         if (mWaitingForOpId <= Integer.MAX_VALUE) {
1811             mOperationsServiceBinder.dispatchResultIfFinished((int)mWaitingForOpId, this);
1812         }
1813
1814         if (mPendingAutoCheck) {
1815             checkOcServer();
1816         }
1817     }
1818
1819
1820     private void dismissDialog(String dialogTag){
1821         Fragment frag = getSupportFragmentManager().findFragmentByTag(dialogTag);
1822         if (frag != null && frag instanceof SherlockDialogFragment) {
1823             SherlockDialogFragment dialog = (SherlockDialogFragment) frag;
1824             dialog.dismiss();
1825         }
1826     }
1827
1828
1829     /**
1830      * Implements callback methods for service binding.
1831      */
1832     private class OperationsServiceConnection implements ServiceConnection {
1833
1834         @Override
1835         public void onServiceConnected(ComponentName component, IBinder service) {
1836             if (component.equals(
1837                     new ComponentName(AuthenticatorActivity.this, OperationsService.class)
1838                 )) {
1839                 mOperationsServiceBinder = (OperationsServiceBinder) service;
1840
1841                 doOnResumeAndBound();
1842
1843             } else {
1844                 return;
1845             }
1846
1847         }
1848
1849         @Override
1850         public void onServiceDisconnected(ComponentName component) {
1851             if (component.equals(
1852                     new ComponentName(AuthenticatorActivity.this, OperationsService.class)
1853                 )) {
1854                 Log_OC.e(TAG, "Operations service crashed");
1855                 mOperationsServiceBinder = null;
1856             }
1857         }
1858
1859     }
1860
1861     /**
1862      * Create and show dialog for request authentication to the user
1863      * @param webView
1864      * @param handler
1865      */
1866     public void createAuthenticationDialog(WebView webView, HttpAuthHandler handler) {
1867
1868         // Show a dialog with the certificate info
1869         CredentialsDialogFragment dialog =
1870                 CredentialsDialogFragment.newInstanceForCredentials(webView, handler);
1871         FragmentManager fm = getSupportFragmentManager();
1872         FragmentTransaction ft = fm.beginTransaction();
1873         ft.addToBackStack(null);
1874         dialog.setCancelable(false);
1875         dialog.show(ft, CREDENTIALS_DIALOG_TAG);
1876
1877         if (!mIsFirstAuthAttempt) {
1878             Toast.makeText(
1879                     getApplicationContext(),
1880                     getText(R.string.saml_authentication_wrong_pass),
1881                     Toast.LENGTH_LONG
1882             ).show();
1883         } else {
1884             mIsFirstAuthAttempt = false;
1885         }
1886     }
1887
1888     /**
1889      * For retrieving the clicking on authentication cancel button
1890      */
1891     public void doNegativeAuthenticatioDialogClick(){
1892         mIsFirstAuthAttempt = true;
1893     }
1894
1895
1896 }