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.io.IOException;
  22 import java.security.cert.X509Certificate;
  23 import java.util.Map;
  24
  25 import android.accounts.Account;
  26 import android.accounts.AccountManager;
  27 import android.accounts.AuthenticatorException;
  28 import android.accounts.OperationCanceledException;
  29 import android.app.Dialog;
  30 import android.content.ComponentName;
  31 import android.content.Context;
  32 import android.content.Intent;
  33 import android.content.ServiceConnection;
  34 import android.content.SharedPreferences;
  35 import android.graphics.Rect;
  36 import android.graphics.drawable.Drawable;
  37 import android.net.Uri;
  38 import android.net.http.SslError;
  39 import android.os.Bundle;
  40 import android.os.Handler;
  41 import android.os.IBinder;
  42 import android.preference.PreferenceManager;
  43 import android.support.v4.app.Fragment;
  44 import android.support.v4.app.FragmentManager;
  45 import android.support.v4.app.FragmentTransaction;
  46 import android.text.Editable;
  47 import android.text.InputType;
  48 import android.text.TextWatcher;
  49 import android.view.KeyEvent;
  50 import android.view.MotionEvent;
  51 import android.view.View;
  52 import android.view.View.OnFocusChangeListener;
  53 import android.view.View.OnTouchListener;
  54 import android.view.Window;
  55 import android.view.inputmethod.EditorInfo;
  56 import android.webkit.HttpAuthHandler;
  57 import android.webkit.SslErrorHandler;
  58 import android.webkit.WebView;
  59 import android.widget.Button;
  60 import android.widget.CheckBox;
  61 import android.widget.EditText;
  62 import android.widget.TextView;
  63 import android.widget.TextView.OnEditorActionListener;
  64 import android.widget.Toast;
  65
  66 import com.actionbarsherlock.app.SherlockDialogFragment;
  67 import com.owncloud.android.MainApp;
  68 import com.owncloud.android.R;
  69 import com.owncloud.android.authentication.SsoWebViewClient.SsoWebViewClientListener;
  70 import com.owncloud.android.lib.common.OwnCloudAccount;
  71 import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
  72 import com.owncloud.android.lib.common.accounts.AccountTypeUtils;
  73 import com.owncloud.android.lib.common.accounts.AccountUtils.Constants;
  74 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  75 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  76 import com.owncloud.android.lib.common.operations.RemoteOperation;
  77 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  78 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  79 import com.owncloud.android.lib.common.utils.Log_OC;
  80 import com.owncloud.android.lib.resources.files.ExistenceCheckRemoteOperation;
  81 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  82 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  83 import com.owncloud.android.operations.DetectAuthenticationMethodOperation.AuthenticationMethod;
  84 import com.owncloud.android.operations.GetServerInfoOperation;
  85 import com.owncloud.android.operations.OAuth2GetAccessToken;
  86 import com.owncloud.android.services.OperationsService;
  87 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  88 import com.owncloud.android.ui.dialog.CredentialsDialogFragment;
  89 import com.owncloud.android.ui.dialog.IndeterminateProgressDialog;
  90 import com.owncloud.android.ui.dialog.SamlWebViewDialog;
  91 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  92 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  93 import com.owncloud.android.utils.DisplayUtils;
  94
  95 /**
  96  * This Activity is used to add an ownCloud account to the App
  97  *
  98  * @author Bartek Przybylski
  99  * @author David A. Velasco
 100  * @author masensio
 101  */
 102 public class AuthenticatorActivity extends AccountAuthenticatorActivity
 103         implements  OnRemoteOperationListener, OnFocusChangeListener, OnEditorActionListener,
 104         SsoWebViewClientListener, OnSslUntrustedCertListener,
 105         AuthenticatorAsyncTask.OnAuthenticatorTaskListener {
 106
 107     private static final String TAG = AuthenticatorActivity.class.getSimpleName();
 108
 109     public static final String EXTRA_ACTION = "ACTION";
 110     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 111
 112     private static final String KEY_AUTH_TOKEN_TYPE = "AUTH_TOKEN_TYPE";
 113
 114     private static final String KEY_HOST_URL_TEXT = "HOST_URL_TEXT";
 115     private static final String KEY_OC_VERSION = "OC_VERSION";
 116     private static final String KEY_SERVER_VALID = "SERVER_VALID";
 117     private static final String KEY_SERVER_CHECKED = "SERVER_CHECKED";
 118     private static final String KEY_SERVER_STATUS_TEXT = "SERVER_STATUS_TEXT";
 119     private static final String KEY_SERVER_STATUS_ICON = "SERVER_STATUS_ICON";
 120     private static final String KEY_IS_SSL_CONN = "IS_SSL_CONN";
 121     private static final String KEY_PASSWORD_EXPOSED = "PASSWORD_VISIBLE";
 122     private static final String KEY_AUTH_STATUS_TEXT = "AUTH_STATUS_TEXT";
 123     private static final String KEY_AUTH_STATUS_ICON = "AUTH_STATUS_ICON";
 124     private static final String KEY_SERVER_AUTH_METHOD = "SERVER_AUTH_METHOD";
 125     private static final String KEY_WAITING_FOR_OP_ID = "WAITING_FOR_OP_ID";
 126     private static final String KEY_AUTH_TOKEN = "AUTH_TOKEN";
 127
 128     private static final String AUTH_ON = "on";
 129     private static final String AUTH_OPTIONAL = "optional";
 130
 131     public static final byte ACTION_CREATE = 0;
 132     public static final byte ACTION_UPDATE_TOKEN = 1;               // requested by the user
 133     public static final byte ACTION_UPDATE_EXPIRED_TOKEN = 2;       // detected by the app
 134
 135     private static final String UNTRUSTED_CERT_DIALOG_TAG = "UNTRUSTED_CERT_DIALOG";
 136     private static final String SAML_DIALOG_TAG = "SAML_DIALOG";
 137     private static final String WAIT_DIALOG_TAG = "WAIT_DIALOG";
 138     private static final String CREDENTIALS_DIALOG_TAG = "CREDENTIALS_DIALOG";
 139     private static final String KEY_AUTH_IS_FIRST_ATTEMPT_TAG = "KEY_AUTH_IS_FIRST_ATTEMPT";
 140
 141
 142     /// parameters from EXTRAs in starter Intent
 143     private byte mAction;
 144     private Account mAccount;
 145     private String mAuthTokenType;
 146
 147
 148     /// activity-level references / state
 149     private final Handler mHandler = new Handler();
 150     private ServiceConnection mOperationsServiceConnection = null;
 151     private OperationsServiceBinder mOperationsServiceBinder = null;
 152     private AccountManager mAccountMgr;
 153     private Uri mNewCapturedUriFromOAuth2Redirection;
 154
 155
 156     /// Server PRE-Fragment elements
 157     private EditText mHostUrlInput;
 158     private View mRefreshButton;
 159     private TextView mServerStatusView;
 160
 161     private TextWatcher mHostUrlInputWatcher;
 162     private int mServerStatusText = 0, mServerStatusIcon = 0;
 163
 164     private boolean mServerIsChecked = false;
 165     private boolean mServerIsValid = false;
 166     private boolean mPendingAutoCheck = false;
 167
 168     private GetServerInfoOperation.ServerInfo mServerInfo =
 169             new GetServerInfoOperation.ServerInfo();
 170
 171
 172     /// Authentication PRE-Fragment elements
 173     private CheckBox mOAuth2Check;
 174     private TextView mOAuthAuthEndpointText;
 175     private TextView mOAuthTokenEndpointText;
 176     private EditText mUsernameInput;
 177     private EditText mPasswordInput;
 178     private View mOkButton;
 179     private TextView mAuthStatusView;
 180
 181     private int mAuthStatusText = 0, mAuthStatusIcon = 0;
 182
 183     private String mAuthToken = "";
 184
 185     private boolean mIsFirstAuthAttempt;
 186
 187
 188     /// Identifier of operation in progress which result shouldn't be lost
 189     private long mWaitingForOpId = Long.MAX_VALUE;
 190
 191
 192     /**
 193      * {@inheritDoc}
 194      *
 195      * IMPORTANT ENTRY POINT 1: activity is shown to the user
 196      */
 197     @Override
 198     protected void onCreate(Bundle savedInstanceState) {
 199         //Log_OC.wtf(TAG,  "onCreate init");
 200         super.onCreate(savedInstanceState);
 201         getWindow().requestFeature(Window.FEATURE_NO_TITLE);
 202
 203         mIsFirstAuthAttempt = true;
 204
 205         // bind to Operations Service
 206         mOperationsServiceConnection = new OperationsServiceConnection();
 207         if (!bindService(new Intent(this, OperationsService.class),
 208                 mOperationsServiceConnection,
 209                 Context.BIND_AUTO_CREATE)) {
 210             Toast.makeText(this,
 211                     R.string.error_cant_bind_to_operations_service,
 212                     Toast.LENGTH_LONG)
 213                         .show();
 214             finish();
 215         }
 216
 217         /// init activity state
 218         mAccountMgr = AccountManager.get(this);
 219         mNewCapturedUriFromOAuth2Redirection = null;
 220
 221         /// get input values
 222         mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE);
 223         mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 224         if (savedInstanceState == null) {
 225             initAuthTokenType();
 226         } else {
 227             mAuthTokenType = savedInstanceState.getString(KEY_AUTH_TOKEN_TYPE);
 228             mWaitingForOpId = savedInstanceState.getLong(KEY_WAITING_FOR_OP_ID);
 229             mIsFirstAuthAttempt = savedInstanceState.getBoolean(KEY_AUTH_IS_FIRST_ATTEMPT_TAG);
 230         }
 231
 232
 233
 234         /// load user interface
 235         setContentView(R.layout.account_setup);
 236
 237         /// initialize general UI elements
 238         initOverallUi(savedInstanceState);
 239
 240         mOkButton = findViewById(R.id.buttonOK);
 241
 242         /// initialize block to be moved to single Fragment to check server and get info about it
 243         initServerPreFragment(savedInstanceState);
 244
 245         /// initialize block to be moved to single Fragment to retrieve and validate credentials
 246         initAuthorizationPreFragment(savedInstanceState);
 247
 248         //Log_OC.wtf(TAG,  "onCreate end");
 249     }
 250
 251     private void initAuthTokenType() {
 252         mAuthTokenType =
 253                 getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 254         if (mAuthTokenType == null) {
 255             if (mAccount != null) {
 256                 boolean oAuthRequired =
 257                     (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2) != null);
 258                 boolean samlWebSsoRequired = (
 259                     mAccountMgr.getUserData(
 260                         mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO
 261                     ) != null
 262                 );
 263                 mAuthTokenType = chooseAuthTokenType(oAuthRequired, samlWebSsoRequired);
 264
 265             } else {
 266                 boolean oAuthSupported = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
 267                 boolean samlWebSsoSupported =
 268                         AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));
 269                 mAuthTokenType = chooseAuthTokenType(oAuthSupported, samlWebSsoSupported);
 270             }
 271         }
 272     }
 273
 274     private String chooseAuthTokenType(boolean oauth, boolean saml) {
 275         if (saml) {
 276             return AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 277         } else if (oauth) {
 278              return AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
 279         } else {
 280             return AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 281         }
 282     }
 283
 284
 285     /**
 286      * Configures elements in the user interface under direct control of the Activity.
 287      *
 288      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 289      */
 290     private void initOverallUi(Bundle savedInstanceState) {
 291
 292         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 293         boolean isWelcomeLinkVisible = getResources().getBoolean(R.bool.show_welcome_link);
 294
 295         String instructionsMessageText = null;
 296         if (mAction == ACTION_UPDATE_EXPIRED_TOKEN) {
 297             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType())
 298                     .equals(mAuthTokenType)) {
 299                 instructionsMessageText = getString(R.string.auth_expired_oauth_token_toast);
 300
 301             } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType())
 302                     .equals(mAuthTokenType)) {
 303                 instructionsMessageText = getString(R.string.auth_expired_saml_sso_token_toast);
 304
 305             } else {
 306                 instructionsMessageText = getString(R.string.auth_expired_basic_auth_toast);
 307             }
 308         }
 309
 310         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 311         Button welcomeLink = (Button) findViewById(R.id.welcome_link);
 312         welcomeLink.setVisibility(isWelcomeLinkVisible ? View.VISIBLE : View.GONE);
 313         welcomeLink.setText(
 314                 String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 315
 316         TextView instructionsView = (TextView) findViewById(R.id.instructions_message);
 317         if (instructionsMessageText != null) {
 318             instructionsView.setVisibility(View.VISIBLE);
 319             instructionsView.setText(instructionsMessageText);
 320         } else {
 321             instructionsView.setVisibility(View.GONE);
 322         }
 323     }
 324
 325
 326     /**
 327      *
 328      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 329      */
 330     private void initServerPreFragment(Bundle savedInstanceState) {
 331
 332         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 333         boolean isUrlInputAllowed = getResources().getBoolean(R.bool.show_server_url_input);
 334         if (savedInstanceState == null) {
 335             if (mAccount != null) {
 336                 mServerInfo.mBaseUrl = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_BASE_URL);
 337                 // TODO do next in a setter for mBaseUrl
 338                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");
 339                 String ocVersion = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION);
 340                 if (ocVersion != null) {
 341                     mServerInfo.mVersion = new OwnCloudVersion(ocVersion);
 342                 }
 343             } else {
 344                 mServerInfo.mBaseUrl = getString(R.string.server_url).trim();
 345                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");
 346             }
 347         } else {
 348             mServerStatusText = savedInstanceState.getInt(KEY_SERVER_STATUS_TEXT);
 349             mServerStatusIcon = savedInstanceState.getInt(KEY_SERVER_STATUS_ICON);
 350
 351             mServerIsValid = savedInstanceState.getBoolean(KEY_SERVER_VALID);
 352             mServerIsChecked = savedInstanceState.getBoolean(KEY_SERVER_CHECKED);
 353
 354             // TODO parcelable
 355             mServerInfo.mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 356             mServerInfo.mBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 357             String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 358             if (ocVersion != null) {
 359                 mServerInfo.mVersion = new OwnCloudVersion(ocVersion);
 360             }
 361             mServerInfo.mAuthMethod = AuthenticationMethod.valueOf(
 362                     savedInstanceState.getString(KEY_SERVER_AUTH_METHOD));
 363
 364         }
 365
 366         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 367         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 368         // Convert IDN to Unicode
 369         mHostUrlInput.setText(DisplayUtils.convertIdn(mServerInfo.mBaseUrl, false));
 370         if (mAction != ACTION_CREATE) {
 371             /// lock things that should not change
 372             mHostUrlInput.setEnabled(false);
 373             mHostUrlInput.setFocusable(false);
 374         }
 375         if (isUrlInputAllowed) {
 376             mRefreshButton = findViewById(R.id.embeddedRefreshButton);
 377         } else {
 378             findViewById(R.id.hostUrlFrame).setVisibility(View.GONE);
 379             mRefreshButton = findViewById(R.id.centeredRefreshButton);
 380         }
 381         showRefreshButton(mServerIsChecked && !mServerIsValid &&
 382                 mWaitingForOpId > Integer.MAX_VALUE);
 383         mServerStatusView = (TextView) findViewById(R.id.server_status_text);
 384         showServerStatus();
 385
 386         /// step 3 - bind some listeners and options
 387         mHostUrlInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 388         mHostUrlInput.setOnEditorActionListener(this);
 389
 390         /// step 4 - create listeners that will be bound at onResume
 391         mHostUrlInputWatcher = new TextWatcher() {
 392
 393             @Override
 394             public void afterTextChanged(Editable s) {
 395                 if (mOkButton.isEnabled() &&
 396                         !mServerInfo.mBaseUrl.equals(
 397                                 normalizeUrl(s.toString(), mServerInfo.mIsSslConn))) {
 398                     mOkButton.setEnabled(false);
 399                 }
 400             }
 401
 402             @Override
 403             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 404             }
 405
 406             @Override
 407             public void onTextChanged(CharSequence s, int start, int before, int count) {
 408                 if (mAuthStatusIcon != 0) {
 409                     Log_OC.d(TAG, "onTextChanged: hiding authentication status");
 410                     mAuthStatusIcon = 0;
 411                     mAuthStatusText = 0;
 412                     showAuthStatus();
 413                 }
 414             }
 415         };
 416
 417
 418         // TODO find out if this is really necessary, or if it can done in a different way
 419         findViewById(R.id.scroll).setOnTouchListener(new OnTouchListener() {
 420             @Override
 421             public boolean onTouch(View view, MotionEvent event) {
 422                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 423                     if (
 424                             AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(
 425                                     MainApp.getAccountType()
 426                                     ).equals(mAuthTokenType) &&
 427                             mHostUrlInput.hasFocus()
 428                     ) {
 429                         checkOcServer();
 430                     }
 431                 }
 432                 return false;
 433             }
 434         });
 435
 436
 437         /// step 4 - mark automatic check to be started when OperationsService is ready
 438         mPendingAutoCheck = (savedInstanceState == null &&
 439                 (mAction != ACTION_CREATE || !isUrlInputAllowed));
 440     }
 441
 442
 443     /**
 444      *
 445      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 446      */
 447     private void initAuthorizationPreFragment(Bundle savedInstanceState) {
 448
 449         /// step 0 - get UI elements in layout
 450         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 451         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 452         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 453         mUsernameInput = (EditText) findViewById(R.id.account_username);
 454         mPasswordInput = (EditText) findViewById(R.id.account_password);
 455         mAuthStatusView = (TextView) findViewById(R.id.auth_status_text);
 456
 457         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 458         String presetUserName = null;
 459         boolean isPasswordExposed = false;
 460         if (savedInstanceState == null) {
 461             if (mAccount != null) {
 462                 presetUserName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 463             }
 464
 465         } else {
 466             isPasswordExposed = savedInstanceState.getBoolean(KEY_PASSWORD_EXPOSED, false);
 467             mAuthStatusText = savedInstanceState.getInt(KEY_AUTH_STATUS_TEXT);
 468             mAuthStatusIcon = savedInstanceState.getInt(KEY_AUTH_STATUS_ICON);
 469             mAuthToken = savedInstanceState.getString(KEY_AUTH_TOKEN);
 470         }
 471
 472         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 473         mOAuth2Check.setChecked(
 474                 AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType())
 475                     .equals(mAuthTokenType));
 476         if (presetUserName != null) {
 477             mUsernameInput.setText(presetUserName);
 478         }
 479         if (mAction != ACTION_CREATE) {
 480             mUsernameInput.setEnabled(false);
 481             mUsernameInput.setFocusable(false);
 482         }
 483         mPasswordInput.setText(""); // clean password to avoid social hacking
 484         if (isPasswordExposed) {
 485             showPassword();
 486         }
 487         updateAuthenticationPreFragmentVisibility();
 488         showAuthStatus();
 489         mOkButton.setEnabled(mServerIsValid);
 490
 491
 492         /// step 3 - bind listeners
 493         // bindings for password input field
 494         mPasswordInput.setOnFocusChangeListener(this);
 495         mPasswordInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
 496         mPasswordInput.setOnEditorActionListener(this);
 497         mPasswordInput.setOnTouchListener(new RightDrawableOnTouchListener() {
 498             @Override
 499             public boolean onDrawableTouch(final MotionEvent event) {
 500                 if (event.getAction() == MotionEvent.ACTION_UP) {
 501                     AuthenticatorActivity.this.onViewPasswordClick();
 502                 }
 503                 return true;
 504             }
 505         });
 506
 507     }
 508
 509
 510     /**
 511      * Changes the visibility of input elements depending on
 512      * the current authorization method.
 513      */
 514     private void updateAuthenticationPreFragmentVisibility () {
 515         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 516                 equals(mAuthTokenType)) {
 517             // SAML-based web Single Sign On
 518             mOAuth2Check.setVisibility(View.GONE);
 519             mOAuthAuthEndpointText.setVisibility(View.GONE);
 520             mOAuthTokenEndpointText.setVisibility(View.GONE);
 521             mUsernameInput.setVisibility(View.GONE);
 522             mPasswordInput.setVisibility(View.GONE);
 523
 524         } else {
 525             if (mAction == ACTION_CREATE &&
 526                     AUTH_OPTIONAL.equals(getString(R.string.auth_method_oauth2))) {
 527                 mOAuth2Check.setVisibility(View.VISIBLE);
 528             } else {
 529                 mOAuth2Check.setVisibility(View.GONE);
 530             }
 531
 532             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
 533                     equals(mAuthTokenType)) {
 534                 // OAuth 2 authorization
 535
 536                 mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
 537                 mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
 538                 mUsernameInput.setVisibility(View.GONE);
 539                 mPasswordInput.setVisibility(View.GONE);
 540
 541             } else {
 542                 // basic HTTP authorization
 543                 mOAuthAuthEndpointText.setVisibility(View.GONE);
 544                 mOAuthTokenEndpointText.setVisibility(View.GONE);
 545                 mUsernameInput.setVisibility(View.VISIBLE);
 546                 mPasswordInput.setVisibility(View.VISIBLE);
 547             }
 548         }
 549     }
 550
 551
 552
 553     /**
 554      * Saves relevant state before {@link #onPause()}
 555      *
 556      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag,
 557      * intended to defer the processing of the redirection caught in
 558      * {@link #onNewIntent(Intent)} until {@link #onResume()}
 559      *
 560      * See {@link #onSaveInstanceState(Bundle)}
 561      */
 562     @Override
 563     protected void onSaveInstanceState(Bundle outState) {
 564         //Log_OC.wtf(TAG, "onSaveInstanceState init" );
 565         super.onSaveInstanceState(outState);
 566
 567         /// global state
 568         outState.putString(KEY_AUTH_TOKEN_TYPE, mAuthTokenType);
 569         outState.putLong(KEY_WAITING_FOR_OP_ID, mWaitingForOpId);
 570
 571         /// Server PRE-fragment state
 572         outState.putInt(KEY_SERVER_STATUS_TEXT, mServerStatusText);
 573         outState.putInt(KEY_SERVER_STATUS_ICON, mServerStatusIcon);
 574         outState.putBoolean(KEY_SERVER_CHECKED, mServerIsChecked);
 575         outState.putBoolean(KEY_SERVER_VALID, mServerIsValid);
 576         outState.putBoolean(KEY_IS_SSL_CONN, mServerInfo.mIsSslConn);
 577         outState.putString(KEY_HOST_URL_TEXT, mServerInfo.mBaseUrl);
 578         if (mServerInfo.mVersion != null) {
 579             outState.putString(KEY_OC_VERSION, mServerInfo.mVersion.getVersion());
 580         }
 581         outState.putString(KEY_SERVER_AUTH_METHOD, mServerInfo.mAuthMethod.name());
 582
 583         /// Authentication PRE-fragment state
 584         outState.putBoolean(KEY_PASSWORD_EXPOSED, isPasswordVisible());
 585         outState.putInt(KEY_AUTH_STATUS_ICON, mAuthStatusIcon);
 586         outState.putInt(KEY_AUTH_STATUS_TEXT, mAuthStatusText);
 587         outState.putString(KEY_AUTH_TOKEN, mAuthToken);
 588
 589         /// authentication
 590         outState.putBoolean(KEY_AUTH_IS_FIRST_ATTEMPT_TAG, mIsFirstAuthAttempt);
 591
 592         //Log_OC.wtf(TAG, "onSaveInstanceState end" );
 593     }
 594
 595
 596     /**
 597      * The redirection triggered by the OAuth authentication server as response to the
 598      * GET AUTHORIZATION request is caught here.
 599      *
 600      * To make this possible, this activity needs to be qualified with android:launchMode =
 601      * "singleTask" in the AndroidManifest.xml file.
 602      */
 603     @Override
 604     protected void onNewIntent (Intent intent) {
 605         Log_OC.d(TAG, "onNewIntent()");
 606         Uri data = intent.getData();
 607         if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) {
 608             mNewCapturedUriFromOAuth2Redirection = data;
 609         }
 610     }
 611
 612
 613     /**
 614      * The redirection triggered by the OAuth authentication server as response to the
 615      * GET AUTHORIZATION, and deferred in {@link #onNewIntent(Intent)}, is processed here.
 616      */
 617     @Override
 618     protected void onResume() {
 619         //Log_OC.wtf(TAG, "onResume init" );
 620         super.onResume();
 621
 622         // bound here to avoid spurious changes triggered by Android on device rotations
 623         mHostUrlInput.setOnFocusChangeListener(this);
 624         mHostUrlInput.addTextChangedListener(mHostUrlInputWatcher);
 625
 626         if (mNewCapturedUriFromOAuth2Redirection != null) {
 627             getOAuth2AccessTokenFromCapturedRedirection();
 628         }
 629
 630         if (mOperationsServiceBinder != null) {
 631             doOnResumeAndBound();
 632         }
 633
 634         //Log_OC.wtf(TAG, "onResume end" );
 635     }
 636
 637
 638     @Override
 639     protected void onPause() {
 640         //Log_OC.wtf(TAG, "onPause init" );
 641         if (mOperationsServiceBinder != null) {
 642             //Log_OC.wtf(TAG, "unregistering to listen for operation callbacks" );
 643             mOperationsServiceBinder.removeOperationListener(this);
 644         }
 645
 646         mHostUrlInput.removeTextChangedListener(mHostUrlInputWatcher);
 647         mHostUrlInput.setOnFocusChangeListener(null);
 648
 649         super.onPause();
 650         //Log_OC.wtf(TAG, "onPause end" );
 651     }
 652
 653     @Override
 654     protected void onDestroy() {
 655
 656         mHostUrlInputWatcher = null;
 657
 658         if (mOperationsServiceConnection != null) {
 659             unbindService(mOperationsServiceConnection);
 660             mOperationsServiceBinder = null;
 661         }
 662         super.onDestroy();
 663     }
 664
 665
 666     /**
 667      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 668      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 669      */
 670     private void getOAuth2AccessTokenFromCapturedRedirection() {
 671         /// Parse data from OAuth redirection
 672         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 673         mNewCapturedUriFromOAuth2Redirection = null;
 674
 675         /// Showing the dialog with instructions for the user.
 676         IndeterminateProgressDialog dialog =
 677                 IndeterminateProgressDialog.newInstance(R.string.auth_getting_authorization, true);
 678         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 679
 680         /// GET ACCESS TOKEN to the oAuth server
 681         Intent getServerInfoIntent = new Intent();
 682         getServerInfoIntent.setAction(OperationsService.ACTION_OAUTH2_GET_ACCESS_TOKEN);
 683
 684         getServerInfoIntent.putExtra(
 685                 OperationsService.EXTRA_SERVER_URL,
 686                 mOAuthTokenEndpointText.getText().toString().trim());
 687
 688         getServerInfoIntent.putExtra(
 689                 OperationsService.EXTRA_OAUTH2_QUERY_PARAMETERS,
 690                 queryParameters);
 691
 692         if (mOperationsServiceBinder != null) {
 693             //Log_OC.wtf(TAG, "getting access token..." );
 694             mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getServerInfoIntent);
 695         }
 696     }
 697
 698
 699
 700     /**
 701      * Handles the change of focus on the text inputs for the server URL and the password
 702      */
 703     public void onFocusChange(View view, boolean hasFocus) {
 704         if (view.getId() == R.id.hostUrlInput) {
 705             if (!hasFocus) {
 706                 onUrlInputFocusLost((TextView) view);
 707             }
 708             else {
 709                 showRefreshButton(false);
 710             }
 711
 712         } else if (view.getId() == R.id.account_password) {
 713             onPasswordFocusChanged((TextView) view, hasFocus);
 714         }
 715     }
 716
 717
 718     /**
 719      * Handles changes in focus on the text input for the server URL.
 720      *
 721      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 722      * other field. The operation to check the existence of the server in the entered URL is
 723      * started.
 724      *
 725      * When hasFocus:    user 'comes back' to write again the server URL.
 726      *
 727      * @param hostInput     TextView with the URL input field receiving the change of focus.
 728      */
 729     private void onUrlInputFocusLost(TextView hostInput) {
 730         if (!mServerInfo.mBaseUrl.equals(
 731                 normalizeUrl(mHostUrlInput.getText().toString(), mServerInfo.mIsSslConn))) {
 732             // check server again only if the user changed something in the field
 733             checkOcServer();
 734         } else {
 735             mOkButton.setEnabled(mServerIsValid);
 736             showRefreshButton(!mServerIsValid);
 737         }
 738     }
 739
 740
 741     private void checkOcServer() {
 742         String uri = mHostUrlInput.getText().toString().trim();
 743         mServerIsValid = false;
 744         mServerIsChecked = false;
 745         mOkButton.setEnabled(false);
 746         mServerInfo = new GetServerInfoOperation.ServerInfo();
 747         showRefreshButton(false);
 748
 749         if (uri.length() != 0) {
 750             // Handle internationalized domain names
 751             uri = DisplayUtils.convertIdn(uri, true);
 752             mServerStatusText = R.string.auth_testing_connection;
 753             mServerStatusIcon = R.drawable.progress_small;
 754             showServerStatus();
 755
 756             Intent getServerInfoIntent = new Intent();
 757             getServerInfoIntent.setAction(OperationsService.ACTION_GET_SERVER_INFO);
 758             getServerInfoIntent.putExtra(
 759                 OperationsService.EXTRA_SERVER_URL,
 760                 normalizeUrlSuffix(uri)
 761             );
 762             if (mOperationsServiceBinder != null) {
 763                 mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getServerInfoIntent);
 764             } else {
 765               Log_OC.wtf(TAG, "Server check tried with OperationService unbound!" );
 766             }
 767
 768         } else {
 769             mServerStatusText = 0;
 770             mServerStatusIcon = 0;
 771             showServerStatus();
 772         }
 773     }
 774
 775
 776     /**
 777      * Handles changes in focus on the text input for the password (basic authorization).
 778      *
 779      * When (hasFocus), the button to toggle password visibility is shown.
 780      *
 781      * When (!hasFocus), the button is made invisible and the password is hidden.
 782      *
 783      * @param passwordInput    TextView with the password input field receiving the change of focus.
 784      * @param hasFocus          'True' if focus is received, 'false' if is lost
 785      */
 786     private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {
 787         if (hasFocus) {
 788             showViewPasswordButton();
 789         } else {
 790             hidePassword();
 791             hidePasswordButton();
 792         }
 793     }
 794
 795
 796     private void showViewPasswordButton() {
 797         int drawable = R.drawable.ic_view;
 798         if (isPasswordVisible()) {
 799             drawable = R.drawable.ic_hide;
 800         }
 801         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 802     }
 803
 804     private boolean isPasswordVisible() {
 805         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) ==
 806                 InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 807     }
 808
 809     private void hidePasswordButton() {
 810         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 811     }
 812
 813     private void showPassword() {
 814         mPasswordInput.setInputType(
 815                 InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD
 816         );
 817         showViewPasswordButton();
 818     }
 819
 820     private void hidePassword() {
 821         mPasswordInput.setInputType(
 822                 InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD
 823         );
 824         showViewPasswordButton();
 825     }
 826
 827     /**
 828      * Checks the credentials of the user in the root of the ownCloud server
 829      * before creating a new local account.
 830      *
 831      * For basic authorization, a check of existence of the root folder is
 832      * performed.
 833      *
 834      * For OAuth, starts the flow to get an access token; the credentials test
 835      * is postponed until it is available.
 836      *
 837      * IMPORTANT ENTRY POINT 4
 838      *
 839      * @param view      OK button
 840      */
 841     public void onOkClick(View view) {
 842         // this check should be unnecessary
 843         if (mServerInfo.mVersion == null ||
 844                 !mServerInfo.mVersion.isVersionValid()  ||
 845                 mServerInfo.mBaseUrl == null ||
 846                 mServerInfo.mBaseUrl.length() == 0) {
 847             mServerStatusIcon = R.drawable.common_error;
 848             mServerStatusText = R.string.auth_wtf_reenter_URL;
 849             showServerStatus();
 850             mOkButton.setEnabled(false);
 851             //Log_OC.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");
 852             return;
 853         }
 854
 855         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
 856                 equals(mAuthTokenType)) {
 857
 858             startOauthorization();
 859         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 860                 equals(mAuthTokenType)) {
 861
 862             startSamlBasedFederatedSingleSignOnAuthorization();
 863         } else {
 864             checkBasicAuthorization();
 865         }
 866     }
 867
 868
 869     /**
 870      * Tests the credentials entered by the user performing a check of existence on
 871      * the root folder of the ownCloud server.
 872      */
 873     private void checkBasicAuthorization() {
 874         /// get basic credentials entered by user
 875         String username = mUsernameInput.getText().toString();
 876         String password = mPasswordInput.getText().toString();
 877
 878         /// be gentle with the user
 879         IndeterminateProgressDialog dialog =
 880                 IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
 881         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 882
 883         /// validate credentials accessing the root folder
 884         accessRootFolderRemoteOperation(username, password);
 885
 886     }
 887
 888     private void accessRootFolderRemoteOperation(String username, String password) {
 889         // delete the account if the token has changed
 890         if (mAction == ACTION_UPDATE_TOKEN || mAction == ACTION_UPDATE_EXPIRED_TOKEN) {
 891             // Remove the cookies in AccountManager
 892             mAccountMgr.setUserData(mAccount, Constants.KEY_COOKIES, null);
 893         }
 894
 895         AuthenticatorAsyncTask asyncTask = new AuthenticatorAsyncTask(this);
 896         String[] params = { mServerInfo.mBaseUrl, username, password, mAuthToken, mAuthTokenType};
 897         asyncTask.execute(params);
 898
 899     }
 900
 901     /**
 902      * Starts the OAuth 'grant type' flow to get an access token, with
 903      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 904      */
 905     private void startOauthorization() {
 906         // be gentle with the user
 907         mAuthStatusIcon = R.drawable.progress_small;
 908         mAuthStatusText = R.string.oauth_login_connection;
 909         showAuthStatus();
 910
 911         // GET AUTHORIZATION request
 912         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 913         Uri.Builder uriBuilder = uri.buildUpon();
 914         uriBuilder.appendQueryParameter(
 915                 OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type)
 916         );
 917         uriBuilder.appendQueryParameter(
 918                 OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri)
 919         );
 920         uriBuilder.appendQueryParameter(
 921                 OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id)
 922         );
 923         uriBuilder.appendQueryParameter(
 924                 OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope)
 925         );
 926         uri = uriBuilder.build();
 927         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 928         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 929         startActivity(i);
 930     }
 931
 932
 933     /**
 934      * Starts the Web Single Sign On flow to get access to the root folder
 935      * in the server.
 936      */
 937     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 938         // be gentle with the user
 939         mAuthStatusIcon = R.drawable.progress_small;
 940         mAuthStatusText = R.string.auth_connecting_auth_server;
 941         showAuthStatus();
 942         IndeterminateProgressDialog dialog =
 943                 IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
 944         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 945
 946         /// validate credentials accessing the root folder
 947         accessRootFolderRemoteOperation("", "");
 948
 949     }
 950
 951     /**
 952      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 953      *
 954      * Dispatches the operation flow to the right method.
 955      */
 956     @Override
 957     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 958
 959         if (operation instanceof GetServerInfoOperation) {
 960             if (operation.hashCode() == mWaitingForOpId) {
 961                 onGetServerInfoFinish(result);
 962             }   // else nothing ; only the last check operation is considered;
 963                 // multiple can be started if the user amends a URL quickly
 964
 965         } else if (operation instanceof OAuth2GetAccessToken) {
 966             onGetOAuthAccessTokenFinish(result);
 967
 968         } else if (operation instanceof ExistenceCheckRemoteOperation)  {
 969             // TODO : remove this response??
 970             //Log_OC.wtf(TAG, "received detection response through callback" );
 971             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 972                     equals(mAuthTokenType)) {
 973                 onSamlBasedFederatedSingleSignOnAuthorizationStart(result);
 974
 975             } else {
 976                 onAuthorizationCheckFinish(result);
 977             }
 978         } else if (operation instanceof GetRemoteUserNameOperation) {
 979             onGetUserNameFinish(result);
 980         }
 981
 982     }
 983
 984     private void onGetUserNameFinish(RemoteOperationResult result) {
 985         mWaitingForOpId = Long.MAX_VALUE;
 986         if (result.isSuccess()) {
 987             boolean success = false;
 988             String username = (String) result.getData().get(0);
 989
 990             if ( mAction == ACTION_CREATE) {
 991                 mUsernameInput.setText(username);
 992                 success = createAccount();
 993             } else {
 994
 995                 if (!mUsernameInput.getText().toString().equals(username)) {
 996                     // fail - not a new account, but an existing one; disallow
 997                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
 998                     mAuthToken = "";
 999                     updateAuthStatusIconAndText(result);
1000                     showAuthStatus();
1001                     Log_OC.d(TAG, result.getLogMessage());
1002                 } else {
1003                     updateAccountAuthentication();
1004                     success = true;
1005                 }
1006             }
1007
1008             if (success)
1009                 finish();
1010         } else {
1011             updateStatusIconFailUserName();
1012             showAuthStatus();
1013             Log_OC.e(TAG, "Access to user name failed: " + result.getLogMessage());
1014         }
1015
1016     }
1017
1018     private void onSamlBasedFederatedSingleSignOnAuthorizationStart(RemoteOperationResult result) {
1019         mWaitingForOpId = Long.MAX_VALUE;
1020         dismissDialog(WAIT_DIALOG_TAG);
1021
1022         if (result.isIdPRedirection()) {
1023             String targetUrl = mServerInfo.mBaseUrl
1024                     + AccountUtils.getWebdavPath(mServerInfo.mVersion, mAuthTokenType);
1025
1026             // Show dialog
1027             SamlWebViewDialog dialog = SamlWebViewDialog.newInstance(targetUrl, targetUrl);
1028             dialog.show(getSupportFragmentManager(), SAML_DIALOG_TAG);
1029
1030             mAuthStatusIcon = 0;
1031             mAuthStatusText = 0;
1032
1033         } else {
1034             mAuthStatusIcon = R.drawable.common_error;
1035             mAuthStatusText = R.string.auth_unsupported_auth_method;
1036
1037         }
1038         showAuthStatus();
1039     }
1040
1041
1042     /**
1043      * Processes the result of the server check performed when the user finishes the enter of the
1044      * server URL.
1045      *
1046      * @param result        Result of the check.
1047      */
1048     private void onGetServerInfoFinish(RemoteOperationResult result) {
1049         /// update activity state
1050         mServerIsChecked = true;
1051         mWaitingForOpId = Long.MAX_VALUE;
1052
1053         // update server status, but don't show it yet
1054         updateServerStatusIconAndText(result);
1055
1056         if (result.isSuccess()) {
1057             /// SUCCESS means:
1058             //      1. connection succeeded, and we know if it's SSL or not
1059             //      2. server is installed
1060             //      3. we got the server version
1061             //      4. we got the authentication method required by the server
1062             mServerInfo = (GetServerInfoOperation.ServerInfo) (result.getData().get(0));
1063
1064             if (!authSupported(mServerInfo.mAuthMethod)) {
1065
1066                 updateServerStatusIconNoRegularAuth();  // overrides updateServerStatusIconAndText()
1067                 mServerIsValid = false;
1068
1069             } else {
1070                 mServerIsValid = true;
1071             }
1072
1073         } else {
1074             mServerIsValid = false;
1075         }
1076
1077         // refresh UI
1078         showRefreshButton(!mServerIsValid);
1079         showServerStatus();
1080         mOkButton.setEnabled(mServerIsValid);
1081
1082         /// very special case (TODO: move to a common place for all the remote operations)
1083         if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1084             showUntrustedCertDialog(result);
1085         }
1086     }
1087
1088
1089     private boolean authSupported(AuthenticationMethod authMethod) {
1090         String basic = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1091         String oAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1092         String saml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
1093
1094         return (( mAuthTokenType.equals(basic) &&
1095                     authMethod.equals(AuthenticationMethod.BASIC_HTTP_AUTH) ) ||
1096                 ( mAuthTokenType.equals(oAuth) &&
1097                     authMethod.equals(AuthenticationMethod.BEARER_TOKEN)) ||
1098                 ( mAuthTokenType.equals(saml)  &&
1099                     authMethod.equals(AuthenticationMethod.SAML_WEB_SSO))
1100         );
1101     }
1102
1103
1104     // TODO remove, if possible
1105     private String normalizeUrl(String url, boolean sslWhenUnprefixed) {
1106         if (url != null && url.length() > 0) {
1107             url = url.trim();
1108             if (!url.toLowerCase().startsWith("http://") &&
1109                     !url.toLowerCase().startsWith("https://")) {
1110                 if (sslWhenUnprefixed) {
1111                     url = "https://" + url;
1112                 } else {
1113                     url = "http://" + url;
1114                 }
1115             }
1116
1117             url = normalizeUrlSuffix(url);
1118         }
1119         return (url != null ? url : "");
1120     }
1121
1122
1123     private String normalizeUrlSuffix(String url) {
1124         if (url.endsWith("/")) {
1125             url = url.substring(0, url.length() - 1);
1126         }
1127         url = trimUrlWebdav(url);
1128         return url;
1129     }
1130
1131
1132     // TODO remove, if possible
1133     private String trimUrlWebdav(String url){
1134         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){
1135             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length());
1136         } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){
1137             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length());
1138         } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){
1139             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length());
1140         }
1141         return (url != null ? url : "");
1142     }
1143
1144
1145     /**
1146      * Chooses the right icon and text to show to the user for the received operation result.
1147      *
1148      * @param result    Result of a remote operation performed in this activity
1149      */
1150     private void updateServerStatusIconAndText(RemoteOperationResult result) {
1151         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1152
1153         switch (result.getCode()) {
1154         case OK_SSL:
1155             mServerStatusIcon = android.R.drawable.ic_secure;
1156             mServerStatusText = R.string.auth_secure_connection;
1157             break;
1158
1159         case OK_NO_SSL:
1160         case OK:
1161             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1162                 mServerStatusText = R.string.auth_connection_established;
1163                 mServerStatusIcon = R.drawable.ic_ok;
1164             } else {
1165                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1166                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
1167             }
1168             break;
1169
1170         case NO_NETWORK_CONNECTION:
1171             mServerStatusIcon = R.drawable.no_network;
1172             mServerStatusText = R.string.auth_no_net_conn_title;
1173             break;
1174
1175         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1176             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1177             break;
1178         case BAD_OC_VERSION:
1179             mServerStatusText = R.string.auth_bad_oc_version_title;
1180             break;
1181         case WRONG_CONNECTION:
1182             mServerStatusText = R.string.auth_wrong_connection_title;
1183             break;
1184         case TIMEOUT:
1185             mServerStatusText = R.string.auth_timeout_title;
1186             break;
1187         case INCORRECT_ADDRESS:
1188             mServerStatusText = R.string.auth_incorrect_address_title;
1189             break;
1190         case SSL_ERROR:
1191             mServerStatusText = R.string.auth_ssl_general_error_title;
1192             break;
1193         case UNAUTHORIZED:
1194             mServerStatusText = R.string.auth_unauthorized;
1195             break;
1196         case HOST_NOT_AVAILABLE:
1197             mServerStatusText = R.string.auth_unknown_host_title;
1198             break;
1199         case INSTANCE_NOT_CONFIGURED:
1200             mServerStatusText = R.string.auth_not_configured_title;
1201             break;
1202         case FILE_NOT_FOUND:
1203             mServerStatusText = R.string.auth_incorrect_path_title;
1204             break;
1205         case OAUTH2_ERROR:
1206             mServerStatusText = R.string.auth_oauth_error;
1207             break;
1208         case OAUTH2_ERROR_ACCESS_DENIED:
1209             mServerStatusText = R.string.auth_oauth_error_access_denied;
1210             break;
1211         case UNHANDLED_HTTP_CODE:
1212         case UNKNOWN_ERROR:
1213             mServerStatusText = R.string.auth_unknown_error_title;
1214             break;
1215         case OK_REDIRECT_TO_NON_SECURE_CONNECTION:
1216             mServerStatusIcon = android.R.drawable.ic_partial_secure;
1217             mServerStatusText = R.string.auth_redirect_non_secure_connection_title;
1218             break;
1219         default:
1220             mServerStatusText = 0;
1221             mServerStatusIcon = 0;
1222         }
1223     }
1224
1225
1226     /**
1227      * Chooses the right icon and text to show to the user for the received operation result.
1228      *
1229      * @param result    Result of a remote operation performed in this activity
1230      */
1231     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1232         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1233
1234         switch (result.getCode()) {
1235         case OK_SSL:
1236             mAuthStatusIcon = android.R.drawable.ic_secure;
1237             mAuthStatusText = R.string.auth_secure_connection;
1238             break;
1239
1240         case OK_NO_SSL:
1241         case OK:
1242             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1243                 mAuthStatusText = R.string.auth_connection_established;
1244                 mAuthStatusIcon = R.drawable.ic_ok;
1245             } else {
1246                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1247                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
1248             }
1249             break;
1250
1251         case NO_NETWORK_CONNECTION:
1252             mAuthStatusIcon = R.drawable.no_network;
1253             mAuthStatusText = R.string.auth_no_net_conn_title;
1254             break;
1255
1256         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1257             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1258             break;
1259         case BAD_OC_VERSION:
1260             mAuthStatusText = R.string.auth_bad_oc_version_title;
1261             break;
1262         case WRONG_CONNECTION:
1263             mAuthStatusText = R.string.auth_wrong_connection_title;
1264             break;
1265         case TIMEOUT:
1266             mAuthStatusText = R.string.auth_timeout_title;
1267             break;
1268         case INCORRECT_ADDRESS:
1269             mAuthStatusText = R.string.auth_incorrect_address_title;
1270             break;
1271         case SSL_ERROR:
1272             mAuthStatusText = R.string.auth_ssl_general_error_title;
1273             break;
1274         case UNAUTHORIZED:
1275             mAuthStatusText = R.string.auth_unauthorized;
1276             break;
1277         case HOST_NOT_AVAILABLE:
1278             mAuthStatusText = R.string.auth_unknown_host_title;
1279             break;
1280         case INSTANCE_NOT_CONFIGURED:
1281             mAuthStatusText = R.string.auth_not_configured_title;
1282             break;
1283         case FILE_NOT_FOUND:
1284             mAuthStatusText = R.string.auth_incorrect_path_title;
1285             break;
1286         case OAUTH2_ERROR:
1287             mAuthStatusText = R.string.auth_oauth_error;
1288             break;
1289         case OAUTH2_ERROR_ACCESS_DENIED:
1290             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1291             break;
1292         case ACCOUNT_NOT_NEW:
1293             mAuthStatusText = R.string.auth_account_not_new;
1294             break;
1295         case ACCOUNT_NOT_THE_SAME:
1296             mAuthStatusText = R.string.auth_account_not_the_same;
1297             break;
1298         case UNHANDLED_HTTP_CODE:
1299         case UNKNOWN_ERROR:
1300             mAuthStatusText = R.string.auth_unknown_error_title;
1301             break;
1302         default:
1303             mAuthStatusText = 0;
1304             mAuthStatusIcon = 0;
1305         }
1306     }
1307
1308
1309     private void updateStatusIconFailUserName(){
1310         mAuthStatusIcon = R.drawable.common_error;
1311         mAuthStatusText = R.string.auth_fail_get_user_name;
1312     }
1313
1314     private void updateServerStatusIconNoRegularAuth(){
1315         mServerStatusIcon = R.drawable.common_error;
1316         mServerStatusText = R.string.auth_can_not_auth_against_server;
1317     }
1318
1319     /**
1320      * Processes the result of the request for and access token send
1321      * to an OAuth authorization server.
1322      *
1323      * @param result        Result of the operation.
1324      */
1325     private void onGetOAuthAccessTokenFinish(RemoteOperationResult result) {
1326         mWaitingForOpId = Long.MAX_VALUE;
1327         dismissDialog(WAIT_DIALOG_TAG);
1328
1329         if (result.isSuccess()) {
1330             /// be gentle with the user
1331             IndeterminateProgressDialog dialog =
1332                     IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
1333             dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
1334
1335             /// time to test the retrieved access token on the ownCloud server
1336             @SuppressWarnings("unchecked")
1337             Map<String, String> tokens = (Map<String, String>)(result.getData().get(0));
1338             mAuthToken = tokens.get(OAuth2Constants.KEY_ACCESS_TOKEN);
1339             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1340
1341             accessRootFolderRemoteOperation("", "");
1342
1343         } else {
1344             updateAuthStatusIconAndText(result);
1345             showAuthStatus();
1346             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1347         }
1348     }
1349
1350
1351     /**
1352      * Processes the result of the access check performed to try the user credentials.
1353      *
1354      * Creates a new account through the AccountManager.
1355      *
1356      * @param result        Result of the operation.
1357      */
1358     private void onAuthorizationCheckFinish(RemoteOperationResult result) {
1359         mWaitingForOpId = Long.MAX_VALUE;
1360         dismissDialog(WAIT_DIALOG_TAG);
1361
1362         if (result.isSuccess()) {
1363             Log_OC.d(TAG, "Successful access - time to save the account");
1364
1365             boolean success = false;
1366             if (mAction == ACTION_CREATE) {
1367                 success = createAccount();
1368
1369             } else {
1370                 updateAccountAuthentication();
1371                 success = true;
1372             }
1373
1374             if (success) {
1375                 finish();
1376             }
1377
1378         } else if (result.isServerFail() || result.isException()) {
1379             /// server errors or exceptions in authorization take to requiring a new check of
1380             /// the server
1381             mServerIsChecked = true;
1382             mServerIsValid = false;
1383             mServerInfo = new GetServerInfoOperation.ServerInfo();
1384
1385             // update status icon and text
1386             updateServerStatusIconAndText(result);
1387             showServerStatus();
1388             mAuthStatusIcon = 0;
1389             mAuthStatusText = 0;
1390             showAuthStatus();
1391
1392             // update input controls state
1393             showRefreshButton(true);
1394             mOkButton.setEnabled(false);
1395
1396             // very special case (TODO: move to a common place for all the remote operations)
1397             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1398                 showUntrustedCertDialog(result);
1399             }
1400
1401         } else {    // authorization fail due to client side - probably wrong credentials
1402             updateAuthStatusIconAndText(result);
1403             showAuthStatus();
1404             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1405         }
1406     }
1407
1408
1409
1410
1411     /**
1412      * Updates the authentication token.
1413      *
1414      * Sets the proper response so that the AccountAuthenticator that started this activity
1415      * saves a new authorization token for mAccount.
1416      *
1417      * Kills the session kept by OwnCloudClientManager so that a new one will created with
1418      * the new credentials when needed.
1419      */
1420     private void updateAccountAuthentication() {
1421
1422         try {
1423             OwnCloudClientManagerFactory.getDefaultSingleton().removeClientFor(
1424                 new OwnCloudAccount(mAccount, this)     // TODO avoid this creation may block the main thread
1425             );
1426         } catch (Exception e) {
1427             e.printStackTrace();
1428         }
1429
1430
1431         Bundle response = new Bundle();
1432         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1433         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1434
1435         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
1436                 equals(mAuthTokenType)) {
1437             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1438             // the next line is necessary, notifications are calling directly to the
1439             // AuthenticatorActivity to update, without AccountManager intervention
1440             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1441
1442         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1443                 equals(mAuthTokenType)) {
1444
1445             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1446             // the next line is necessary; by now, notifications are calling directly to the
1447             // AuthenticatorActivity to update, without AccountManager intervention
1448             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1449
1450         } else {
1451             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1452             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1453         }
1454         setAccountAuthenticatorResult(response);
1455
1456     }
1457
1458
1459     /**
1460      * Creates a new account through the Account Authenticator that started this activity.
1461      *
1462      * This makes the account permanent.
1463      *
1464      * TODO Decide how to name the OAuth accounts
1465      */
1466     private boolean createAccount() {
1467         /// create and save new ownCloud account
1468         boolean isOAuth = AccountTypeUtils.
1469                 getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1470         boolean isSaml =  AccountTypeUtils.
1471                 getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1472
1473         Uri uri = Uri.parse(mServerInfo.mBaseUrl);
1474         String username = mUsernameInput.getText().toString().trim();
1475         if (isOAuth) {
1476             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1477         }
1478         String accountName = com.owncloud.android.lib.common.accounts.AccountUtils.
1479                 buildAccountName(uri, username);
1480         Account newAccount = new Account(accountName, MainApp.getAccountType());
1481         if (AccountUtils.exists(newAccount, getApplicationContext())) {
1482             // fail - not a new account, but an existing one; disallow
1483             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1484             updateAuthStatusIconAndText(result);
1485             showAuthStatus();
1486             Log_OC.d(TAG, result.getLogMessage());
1487             return false;
1488
1489         } else {
1490             mAccount = newAccount;
1491
1492             if (isOAuth || isSaml) {
1493                 // with external authorizations, the password is never input in the app
1494                 mAccountMgr.addAccountExplicitly(mAccount, "", null);
1495             } else {
1496                 mAccountMgr.addAccountExplicitly(
1497                         mAccount, mPasswordInput.getText().toString(), null
1498                 );
1499             }
1500
1501             /// add the new account as default in preferences, if there is none already
1502             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1503             if (defaultAccount == null) {
1504                 SharedPreferences.Editor editor = PreferenceManager
1505                         .getDefaultSharedPreferences(this).edit();
1506                 editor.putString("select_oc_account", accountName);
1507                 editor.commit();
1508             }
1509
1510             /// prepare result to return to the Authenticator
1511             //  TODO check again what the Authenticator makes with it; probably has the same
1512             //  effect as addAccountExplicitly, but it's not well done
1513             final Intent intent = new Intent();
1514             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1515             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1516             /*if (!isOAuth)
1517                 intent.putExtra(AccountManager.KEY_AUTHTOKEN,   MainApp.getAccountType()); */
1518             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1519             if (isOAuth || isSaml) {
1520                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1521             }
1522             /// add user data to the new account; TODO probably can be done in the last parameter
1523             //      addAccountExplicitly, or in KEY_USERDATA
1524             mAccountMgr.setUserData(
1525                     mAccount, Constants.KEY_OC_VERSION,    mServerInfo.mVersion.getVersion()
1526             );
1527             mAccountMgr.setUserData(
1528                     mAccount, Constants.KEY_OC_BASE_URL,   mServerInfo.mBaseUrl
1529             );
1530
1531             if (isSaml) {
1532                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1533             } else if (isOAuth) {
1534                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1535             }
1536
1537             setAccountAuthenticatorResult(intent.getExtras());
1538             setResult(RESULT_OK, intent);
1539
1540             return true;
1541         }
1542     }
1543
1544
1545     /**
1546      * Starts and activity to open the 'new account' page in the ownCloud web site
1547      *
1548      * @param view      'Account register' button
1549      */
1550     public void onRegisterClick(View view) {
1551         Intent register = new Intent(
1552                 Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url))
1553         );
1554         setResult(RESULT_CANCELED);
1555         startActivity(register);
1556     }
1557
1558
1559     /**
1560      * Updates the content and visibility state of the icon and text associated
1561      * to the last check on the ownCloud server.
1562      */
1563     private void showServerStatus() {
1564         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1565             mServerStatusView.setVisibility(View.INVISIBLE);
1566
1567         } else {
1568             mServerStatusView.setText(mServerStatusText);
1569             mServerStatusView.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1570             mServerStatusView.setVisibility(View.VISIBLE);
1571         }
1572
1573     }
1574
1575
1576     /**
1577      * Updates the content and visibility state of the icon and text associated
1578      * to the interactions with the OAuth authorization server.
1579      */
1580     private void showAuthStatus() {
1581         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1582             mAuthStatusView.setVisibility(View.INVISIBLE);
1583
1584         } else {
1585             mAuthStatusView.setText(mAuthStatusText);
1586             mAuthStatusView.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1587             mAuthStatusView.setVisibility(View.VISIBLE);
1588         }
1589     }
1590
1591
1592     private void showRefreshButton (boolean show) {
1593         if (show)  {
1594             mRefreshButton.setVisibility(View.VISIBLE);
1595         } else {
1596             mRefreshButton.setVisibility(View.GONE);
1597         }
1598     }
1599
1600     /**
1601      * Called when the refresh button in the input field for ownCloud host is clicked.
1602      *
1603      * Performs a new check on the URL in the input field.
1604      *
1605      * @param view      Refresh 'button'
1606      */
1607     public void onRefreshClick(View view) {
1608         checkOcServer();
1609     }
1610
1611
1612     /**
1613      * Called when the eye icon in the password field is clicked.
1614      *
1615      * Toggles the visibility of the password in the field.
1616      */
1617     public void onViewPasswordClick() {
1618         int selectionStart = mPasswordInput.getSelectionStart();
1619         int selectionEnd = mPasswordInput.getSelectionEnd();
1620         if (isPasswordVisible()) {
1621             hidePassword();
1622         } else {
1623             showPassword();
1624         }
1625         mPasswordInput.setSelection(selectionStart, selectionEnd);
1626     }
1627
1628
1629     /**
1630      * Called when the checkbox for OAuth authorization is clicked.
1631      *
1632      * Hides or shows the input fields for user & password.
1633      *
1634      * @param view      'View password' 'button'
1635      */
1636     public void onCheckClick(View view) {
1637         CheckBox oAuth2Check = (CheckBox)view;
1638         if (oAuth2Check.isChecked()) {
1639             mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1640         } else {
1641             mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1642         }
1643         updateAuthenticationPreFragmentVisibility();
1644     }
1645
1646
1647     /**
1648      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1649      *
1650      *  Used to trigger the authentication check when the user presses 'enter' after writing the
1651      *  password, or to throw the server test when the only field on screen is the URL input field.
1652      */
1653     @Override
1654     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1655         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null &&
1656                 inputField.equals(mPasswordInput)) {
1657             if (mOkButton.isEnabled()) {
1658                 mOkButton.performClick();
1659             }
1660
1661         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null &&
1662                 inputField.equals(mHostUrlInput)) {
1663             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1664                     equals(mAuthTokenType)) {
1665                 checkOcServer();
1666             }
1667         }
1668         return false;   // always return false to grant that the software keyboard is hidden anyway
1669     }
1670
1671
1672     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1673
1674         private int fuzz = 75;
1675
1676         /**
1677          * {@inheritDoc}
1678          */
1679         @Override
1680         public boolean onTouch(View view, MotionEvent event) {
1681             Drawable rightDrawable = null;
1682             if (view instanceof TextView) {
1683                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1684                 if (drawables.length > 2) {
1685                     rightDrawable = drawables[2];
1686                 }
1687             }
1688             if (rightDrawable != null) {
1689                 final int x = (int) event.getX();
1690                 final int y = (int) event.getY();
1691                 final Rect bounds = rightDrawable.getBounds();
1692                 if (    x >= (view.getRight() - bounds.width() - fuzz) &&
1693                         x <= (view.getRight() - view.getPaddingRight() + fuzz) &&
1694                         y >= (view.getPaddingTop() - fuzz) &&
1695                         y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1696
1697                     return onDrawableTouch(event);
1698                 }
1699             }
1700             return false;
1701         }
1702
1703         public abstract boolean onDrawableTouch(final MotionEvent event);
1704     }
1705
1706
1707     private void getRemoteUserNameOperation(String sessionCookie, boolean followRedirects) {
1708
1709         Intent getUserNameIntent = new Intent();
1710         getUserNameIntent.setAction(OperationsService.ACTION_GET_USER_NAME);
1711         getUserNameIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mServerInfo.mBaseUrl);
1712         getUserNameIntent.putExtra(OperationsService.EXTRA_COOKIE, sessionCookie);
1713
1714         if (mOperationsServiceBinder != null) {
1715             //Log_OC.wtf(TAG, "starting getRemoteUserNameOperation..." );
1716             mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getUserNameIntent);
1717         }
1718     }
1719
1720
1721     @Override
1722     public void onSsoFinished(String sessionCookie) {
1723         if (sessionCookie != null && sessionCookie.length() > 0) {
1724             Log_OC.d(TAG, "Successful SSO - time to save the account");
1725             mAuthToken = sessionCookie;
1726             getRemoteUserNameOperation(sessionCookie, true);
1727             Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1728             if (fd != null && fd instanceof SherlockDialogFragment) {
1729                 Dialog d = ((SherlockDialogFragment)fd).getDialog();
1730                 if (d != null && d.isShowing()) {
1731                     d.dismiss();
1732                 }
1733             }
1734
1735         } else {
1736             // TODO - show fail
1737             Log_OC.d(TAG, "SSO failed");
1738         }
1739
1740     }
1741
1742     @Override
1743     public boolean onTouchEvent(MotionEvent event) {
1744         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1745                 equals(mAuthTokenType) &&
1746                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1747             checkOcServer();
1748         }
1749         return super.onTouchEvent(event);
1750     }
1751
1752
1753     /**
1754      * Show untrusted cert dialog
1755      */
1756     public void showUntrustedCertDialog(
1757             X509Certificate x509Certificate, SslError error, SslErrorHandler handler
1758         ) {
1759         // Show a dialog with the certificate info
1760         SslUntrustedCertDialog dialog = null;
1761         if (x509Certificate == null) {
1762             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
1763         } else {
1764             dialog = SslUntrustedCertDialog.
1765                     newInstanceForFullSslError(x509Certificate, error, handler);
1766         }
1767         FragmentManager fm = getSupportFragmentManager();
1768         FragmentTransaction ft = fm.beginTransaction();
1769         ft.addToBackStack(null);
1770         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1771     }
1772
1773
1774     /**
1775      * Show untrusted cert dialog
1776      */
1777     private void showUntrustedCertDialog(RemoteOperationResult result) {
1778         // Show a dialog with the certificate info
1779         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.
1780                 newInstanceForFullSslError((CertificateCombinedException)result.getException());
1781         FragmentManager fm = getSupportFragmentManager();
1782         FragmentTransaction ft = fm.beginTransaction();
1783         ft.addToBackStack(null);
1784         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1785
1786     }
1787
1788     /**
1789      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1790      */
1791     public void onSavedCertificate() {
1792         Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1793         if (fd == null) {
1794             // if SAML dialog is not shown,
1795             // the SslDialog was shown due to an SSL error in the server check
1796             checkOcServer();
1797         }
1798     }
1799
1800     /**
1801      * Called from SslValidatorDialog when a new server certificate could not be saved
1802      * when the user requested it.
1803      */
1804     @Override
1805     public void onFailedSavingCertificate() {
1806         dismissDialog(SAML_DIALOG_TAG);
1807         Toast.makeText(this, R.string.ssl_validator_not_saved, Toast.LENGTH_LONG).show();
1808     }
1809
1810     @Override
1811     public void onCancelCertificate() {
1812         dismissDialog(SAML_DIALOG_TAG);
1813     }
1814
1815
1816     private void doOnResumeAndBound() {
1817         //Log_OC.wtf(TAG, "registering to listen for operation callbacks" );
1818         mOperationsServiceBinder.addOperationListener(AuthenticatorActivity.this, mHandler);
1819         if (mWaitingForOpId <= Integer.MAX_VALUE) {
1820             mOperationsServiceBinder.dispatchResultIfFinished((int)mWaitingForOpId, this);
1821         }
1822
1823         if (mPendingAutoCheck) {
1824             checkOcServer();
1825         }
1826     }
1827
1828
1829     private void dismissDialog(String dialogTag){
1830         Fragment frag = getSupportFragmentManager().findFragmentByTag(dialogTag);
1831         if (frag != null && frag instanceof SherlockDialogFragment) {
1832             SherlockDialogFragment dialog = (SherlockDialogFragment) frag;
1833             dialog.dismiss();
1834         }
1835     }
1836
1837
1838     /**
1839      * Implements callback methods for service binding.
1840      */
1841     private class OperationsServiceConnection implements ServiceConnection {
1842
1843         @Override
1844         public void onServiceConnected(ComponentName component, IBinder service) {
1845             if (component.equals(
1846                     new ComponentName(AuthenticatorActivity.this, OperationsService.class)
1847                 )) {
1848                 //Log_OC.wtf(TAG, "Operations service connected");
1849                 mOperationsServiceBinder = (OperationsServiceBinder) service;
1850
1851                 doOnResumeAndBound();
1852
1853             } else {
1854                 return;
1855             }
1856
1857         }
1858
1859         @Override
1860         public void onServiceDisconnected(ComponentName component) {
1861             if (component.equals(
1862                     new ComponentName(AuthenticatorActivity.this, OperationsService.class)
1863                 )) {
1864                 Log_OC.e(TAG, "Operations service crashed");
1865                 mOperationsServiceBinder = null;
1866             }
1867         }
1868
1869     }
1870
1871     /**
1872      * Create and show dialog for request authentication to the user
1873      * @param webView
1874      * @param handler
1875      */
1876     public void createAuthenticationDialog(WebView webView, HttpAuthHandler handler) {
1877
1878         // Show a dialog with the certificate info
1879         CredentialsDialogFragment dialog =
1880                 CredentialsDialogFragment.newInstanceForCredentials(webView, handler);
1881         FragmentManager fm = getSupportFragmentManager();
1882         FragmentTransaction ft = fm.beginTransaction();
1883         ft.addToBackStack(null);
1884         dialog.setCancelable(false);
1885         dialog.show(ft, CREDENTIALS_DIALOG_TAG);
1886
1887         if (!mIsFirstAuthAttempt) {
1888             Toast.makeText(
1889                     getApplicationContext(),
1890                     getText(R.string.saml_authentication_wrong_pass),
1891                     Toast.LENGTH_LONG
1892             ).show();
1893         } else {
1894             mIsFirstAuthAttempt = false;
1895         }
1896     }
1897
1898     /**
1899      * For retrieving the clicking on authentication cancel button
1900      */
1901     public void doNegativeAuthenticatioDialogClick(){
1902         mIsFirstAuthAttempt = true;
1903     }
1904
1905
1906     @Override
1907     public void onAuthenticatorTaskCallback(RemoteOperationResult result) {
1908         //Log_OC.wtf(TAG, "received detection response through callback" );
1909         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1910                 equals(mAuthTokenType)) {
1911             onSamlBasedFederatedSingleSignOnAuthorizationStart(result);
1912
1913         } else {
1914             onAuthorizationCheckFinish(result);
1915         }
1916     }
1917 }