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

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