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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012  Bartek Przybylski
   3  *   Copyright (C) 2012-2014 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.authentication;
  20
  21 import java.security.cert.X509Certificate;
  22 import java.util.Map;
  23
  24 import android.accounts.Account;
  25 import android.accounts.AccountManager;
  26 import android.app.Dialog;
  27 import android.content.ComponentName;
  28 import android.content.Context;
  29 import android.content.Intent;
  30 import android.content.ServiceConnection;
  31 import android.content.SharedPreferences;
  32 import android.graphics.Rect;
  33 import android.graphics.drawable.Drawable;
  34 import android.net.Uri;
  35 import android.net.http.SslError;
  36 import android.os.Bundle;
  37 import android.os.Handler;
  38 import android.os.IBinder;
  39 import android.preference.PreferenceManager;
  40 import android.support.v4.app.Fragment;
  41 import android.support.v4.app.FragmentManager;
  42 import android.support.v4.app.FragmentTransaction;
  43 import android.text.Editable;
  44 import android.text.InputType;
  45 import android.text.TextWatcher;
  46 import android.view.KeyEvent;
  47 import android.view.MotionEvent;
  48 import android.view.View;
  49 import android.view.View.OnFocusChangeListener;
  50 import android.view.View.OnTouchListener;
  51 import android.view.Window;
  52 import android.view.inputmethod.EditorInfo;
  53 import android.webkit.SslErrorHandler;
  54 import android.widget.Button;
  55 import android.widget.CheckBox;
  56 import android.widget.EditText;
  57 import android.widget.TextView;
  58 import android.widget.TextView.OnEditorActionListener;
  59 import android.widget.Toast;
  60
  61 import com.actionbarsherlock.app.SherlockDialogFragment;
  62 import com.owncloud.android.MainApp;
  63 import com.owncloud.android.R;
  64 import com.owncloud.android.authentication.SsoWebViewClient.SsoWebViewClientListener;
  65 import com.owncloud.android.lib.common.accounts.AccountTypeUtils;
  66 import com.owncloud.android.lib.common.accounts.AccountUtils.Constants;
  67 import com.owncloud.android.operations.DetectAuthenticationMethodOperation.AuthenticationMethod;
  68 import com.owncloud.android.operations.GetServerInfoOperation;
  69 import com.owncloud.android.operations.OAuth2GetAccessToken;
  70
  71 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  72 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  73 import com.owncloud.android.lib.common.operations.RemoteOperation;
  74 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  75 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  76 import com.owncloud.android.lib.resources.files.ExistenceCheckRemoteOperation;
  77 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  78
  79 import com.owncloud.android.services.OperationsService;
  80 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  81 import com.owncloud.android.ui.dialog.IndeterminateProgressDialog;
  82 import com.owncloud.android.ui.dialog.SamlWebViewDialog;
  83 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  84 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  85 import com.owncloud.android.utils.Log_OC;
  86 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  87
  88 /**
  89  * This Activity is used to add an ownCloud account to the App
  90  *
  91  * @author Bartek Przybylski
  92  * @author David A. Velasco
  93  * @author masensio
  94  */
  95 public class AuthenticatorActivity extends AccountAuthenticatorActivity
  96 implements  OnRemoteOperationListener, OnFocusChangeListener, OnEditorActionListener,
  97 SsoWebViewClientListener, OnSslUntrustedCertListener {
  98
  99     private static final String TAG = AuthenticatorActivity.class.getSimpleName();
 100
 101     public static final String EXTRA_ACTION = "ACTION";
 102     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 103
 104     private static final String KEY_AUTH_TOKEN_TYPE = "AUTH_TOKEN_TYPE";
 105
 106     private static final String KEY_HOST_URL_TEXT = "HOST_URL_TEXT";
 107     private static final String KEY_OC_VERSION = "OC_VERSION";
 108     private static final String KEY_SERVER_VALID = "SERVER_VALID";
 109     private static final String KEY_SERVER_CHECKED = "SERVER_CHECKED";
 110     private static final String KEY_SERVER_STATUS_TEXT = "SERVER_STATUS_TEXT";
 111     private static final String KEY_SERVER_STATUS_ICON = "SERVER_STATUS_ICON";
 112     private static final String KEY_IS_SSL_CONN = "IS_SSL_CONN";
 113     private static final String KEY_PASSWORD_EXPOSED = "PASSWORD_VISIBLE";
 114     private static final String KEY_AUTH_STATUS_TEXT = "AUTH_STATUS_TEXT";
 115     private static final String KEY_AUTH_STATUS_ICON = "AUTH_STATUS_ICON";
 116     private static final String KEY_SERVER_AUTH_METHOD = "SERVER_AUTH_METHOD";
 117     private static final String KEY_WAITING_FOR_OP_ID = "WAITING_FOR_OP_ID";
 118     private static final String KEY_AUTH_TOKEN = "AUTH_TOKEN";
 119
 120     private static final String AUTH_ON = "on";
 121     private static final String AUTH_OPTIONAL = "optional";
 122
 123     public static final byte ACTION_CREATE = 0;
 124     public static final byte ACTION_UPDATE_TOKEN = 1;               // requested by the user
 125     public static final byte ACTION_UPDATE_EXPIRED_TOKEN = 2;       // detected by the app
 126
 127     private static final String UNTRUSTED_CERT_DIALOG_TAG = "UNTRUSTED_CERT_DIALOG";
 128     private static final String SAML_DIALOG_TAG = "SAML_DIALOG";
 129     private static final String WAIT_DIALOG_TAG = "WAIT_DIALOG";
 130
 131
 132     /// parameters from EXTRAs in starter Intent
 133     private byte mAction;
 134     private Account mAccount;
 135     private String mAuthTokenType;
 136
 137
 138     /// activity-level references / state
 139     private final Handler mHandler = new Handler();
 140     private ServiceConnection mOperationsServiceConnection = null;
 141     private OperationsServiceBinder mOperationsServiceBinder = null;
 142     private AccountManager mAccountMgr;
 143     private Uri mNewCapturedUriFromOAuth2Redirection;
 144
 145
 146     /// Server PRE-Fragment elements
 147     private EditText mHostUrlInput;
 148     private View mRefreshButton;
 149     private TextView mServerStatusView;
 150
 151     private TextWatcher mHostUrlInputWatcher;
 152     private int mServerStatusText = 0, mServerStatusIcon = 0;
 153
 154     private boolean mServerIsChecked = false;
 155     private boolean mServerIsValid = false;
 156     private boolean mPendingAutoCheck = false;
 157
 158     private GetServerInfoOperation.ServerInfo mServerInfo =
 159             new GetServerInfoOperation.ServerInfo();
 160
 161
 162     /// Authentication PRE-Fragment elements
 163     private CheckBox mOAuth2Check;
 164     private TextView mOAuthAuthEndpointText;
 165     private TextView mOAuthTokenEndpointText;
 166     private EditText mUsernameInput;
 167     private EditText mPasswordInput;
 168     private View mOkButton;
 169     private TextView mAuthStatusView;
 170
 171     private int mAuthStatusText = 0, mAuthStatusIcon = 0;
 172
 173     private String mAuthToken = "";
 174
 175
 176     /// Identifier of operation in progress which result shouldn't be lost
 177     private long mWaitingForOpId = Long.MAX_VALUE;
 178
 179
 180     /**
 181      * {@inheritDoc}
 182      *
 183      * IMPORTANT ENTRY POINT 1: activity is shown to the user
 184      */
 185     @Override
 186     protected void onCreate(Bundle savedInstanceState) {
 187         //Log_OC.wtf(TAG,  "onCreate init");
 188         super.onCreate(savedInstanceState);
 189         getWindow().requestFeature(Window.FEATURE_NO_TITLE);
 190
 191         // bind to Operations Service
 192         mOperationsServiceConnection = new OperationsServiceConnection();
 193         if (!bindService(new Intent(this, OperationsService.class),
 194                 mOperationsServiceConnection,
 195                 Context.BIND_AUTO_CREATE)) {
 196             Toast.makeText(this,
 197                     R.string.error_cant_bind_to_operations_service,
 198                     Toast.LENGTH_LONG)
 199                         .show();
 200             finish();
 201         }
 202
 203         /// init activity state
 204         mAccountMgr = AccountManager.get(this);
 205         mNewCapturedUriFromOAuth2Redirection = null;
 206
 207         /// get input values
 208         mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE);
 209         mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 210         if (savedInstanceState == null) {
 211             initAuthTokenType();
 212         } else {
 213             mAuthTokenType = savedInstanceState.getString(KEY_AUTH_TOKEN_TYPE);
 214             mWaitingForOpId = savedInstanceState.getLong(KEY_WAITING_FOR_OP_ID);
 215         }
 216
 217         /// load user interface
 218         setContentView(R.layout.account_setup);
 219
 220         /// initialize general UI elements
 221         initOverallUi(savedInstanceState);
 222
 223         mOkButton = findViewById(R.id.buttonOK);
 224
 225         /// initialize block to be moved to single Fragment to check server and get info about it
 226         initServerPreFragment(savedInstanceState);
 227
 228         /// initialize block to be moved to single Fragment to retrieve and validate credentials
 229         initAuthorizationPreFragment(savedInstanceState);
 230
 231         //Log_OC.wtf(TAG,  "onCreate end");
 232     }
 233
 234     private void initAuthTokenType() {
 235         mAuthTokenType =
 236                 getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 237         if (mAuthTokenType == null) {
 238             if (mAccount != null) {
 239                 boolean oAuthRequired =
 240                     (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2) != null);
 241                 boolean samlWebSsoRequired =
 242                     (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO) != null);
 243                 mAuthTokenType = chooseAuthTokenType(oAuthRequired, samlWebSsoRequired);
 244
 245             } else {
 246                 boolean oAuthSupported = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
 247                 boolean samlWebSsoSupported = AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));
 248                 mAuthTokenType = chooseAuthTokenType(oAuthSupported, samlWebSsoSupported);
 249             }
 250         }
 251     }
 252
 253     private String chooseAuthTokenType(boolean oauth, boolean saml) {
 254         if (saml) {
 255             return AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 256         } else if (oauth) {
 257              return AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
 258         } else {
 259             return AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 260         }
 261     }
 262
 263
 264     /**
 265      * Configures elements in the user interface under direct control of the Activity.
 266      *
 267      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 268      */
 269     private void initOverallUi(Bundle savedInstanceState) {
 270
 271         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 272         boolean isWelcomeLinkVisible = getResources().getBoolean(R.bool.show_welcome_link);
 273
 274         String instructionsMessageText = null;
 275         if (mAction == ACTION_UPDATE_EXPIRED_TOKEN) {
 276             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType())
 277                     .equals(mAuthTokenType)) {
 278                 instructionsMessageText = getString(R.string.auth_expired_oauth_token_toast);
 279
 280             } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType())
 281                     .equals(mAuthTokenType)) {
 282                 instructionsMessageText = getString(R.string.auth_expired_saml_sso_token_toast);
 283
 284             } else {
 285                 instructionsMessageText = getString(R.string.auth_expired_basic_auth_toast);
 286             }
 287         }
 288
 289         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 290         Button welcomeLink = (Button) findViewById(R.id.welcome_link);
 291         welcomeLink.setVisibility(isWelcomeLinkVisible ? View.VISIBLE : View.GONE);
 292         welcomeLink.setText(
 293                 String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 294
 295         TextView instructionsView = (TextView) findViewById(R.id.instructions_message);
 296         if (instructionsMessageText != null) {
 297             instructionsView.setVisibility(View.VISIBLE);
 298             instructionsView.setText(instructionsMessageText);
 299         } else {
 300             instructionsView.setVisibility(View.GONE);
 301         }
 302     }
 303
 304
 305     /**
 306      *
 307      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 308      */
 309     private void initServerPreFragment(Bundle savedInstanceState) {
 310
 311         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 312         boolean isUrlInputAllowed = getResources().getBoolean(R.bool.show_server_url_input);
 313         if (savedInstanceState == null) {
 314             if (mAccount != null) {
 315                 mServerInfo.mBaseUrl = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_BASE_URL);
 316                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");   // TODO do this in a setter for mBaseUrl
 317                 String ocVersion = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION);
 318                 if (ocVersion != null) {
 319                     mServerInfo.mVersion = new OwnCloudVersion(ocVersion);
 320                 }
 321             } else {
 322                 mServerInfo.mBaseUrl = getString(R.string.server_url).trim();
 323                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");
 324             }
 325         } else {
 326             mServerStatusText = savedInstanceState.getInt(KEY_SERVER_STATUS_TEXT);
 327             mServerStatusIcon = savedInstanceState.getInt(KEY_SERVER_STATUS_ICON);
 328
 329             mServerIsValid = savedInstanceState.getBoolean(KEY_SERVER_VALID);
 330             mServerIsChecked = savedInstanceState.getBoolean(KEY_SERVER_CHECKED);
 331
 332             // TODO parcelable
 333             mServerInfo.mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 334             mServerInfo.mBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 335             String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 336             if (ocVersion != null) {
 337                 mServerInfo.mVersion = new OwnCloudVersion(ocVersion);
 338             }
 339             mServerInfo.mAuthMethod = AuthenticationMethod.valueOf(
 340                     savedInstanceState.getString(KEY_SERVER_AUTH_METHOD));
 341
 342         }
 343
 344         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 345         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 346         mHostUrlInput.setText(mServerInfo.mBaseUrl);
 347         if (mAction != ACTION_CREATE) {
 348             /// lock things that should not change
 349             mHostUrlInput.setEnabled(false);
 350             mHostUrlInput.setFocusable(false);
 351         }
 352         if (isUrlInputAllowed) {
 353             mRefreshButton = findViewById(R.id.embeddedRefreshButton);
 354         } else {
 355             findViewById(R.id.hostUrlFrame).setVisibility(View.GONE);
 356             mRefreshButton = findViewById(R.id.centeredRefreshButton);
 357         }
 358         showRefreshButton(mServerIsChecked && !mServerIsValid &&
 359                 mWaitingForOpId > Integer.MAX_VALUE);
 360         mServerStatusView = (TextView) findViewById(R.id.server_status_text);
 361         showServerStatus();
 362
 363         /// step 3 - bind some listeners and options
 364         mHostUrlInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 365         mHostUrlInput.setOnEditorActionListener(this);
 366
 367         /// step 4 - create listeners that will be bound at onResume
 368         mHostUrlInputWatcher = new TextWatcher() {
 369
 370             @Override
 371             public void afterTextChanged(Editable s) {
 372                 if (mOkButton.isEnabled() &&
 373                         !mServerInfo.mBaseUrl.equals(
 374                                 normalizeUrl(s.toString(), mServerInfo.mIsSslConn))) {
 375                     mOkButton.setEnabled(false);
 376                 }
 377             }
 378
 379             @Override
 380             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 381             }
 382
 383             @Override
 384             public void onTextChanged(CharSequence s, int start, int before, int count) {
 385                 if (mAuthStatusIcon != 0) {
 386                     Log_OC.d(TAG, "onTextChanged: hiding authentication status");
 387                     mAuthStatusIcon = 0;
 388                     mAuthStatusText = 0;
 389                     showAuthStatus();
 390                 }
 391             }
 392         };
 393
 394
 395         // TODO find out if this is really necessary, or if it can done in a different way
 396         findViewById(R.id.scroll).setOnTouchListener(new OnTouchListener() {
 397             @Override
 398             public boolean onTouch(View view, MotionEvent event) {
 399                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 400                     if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
 401                             mHostUrlInput.hasFocus()) {
 402                         checkOcServer();
 403                     }
 404                 }
 405                 return false;
 406             }
 407         });
 408
 409
 410         /// step 4 - mark automatic check to be started when OperationsService is ready
 411         mPendingAutoCheck = (savedInstanceState == null &&
 412                 (mAction != ACTION_CREATE || !isUrlInputAllowed));
 413     }
 414
 415
 416     /**
 417      *
 418      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 419      */
 420     private void initAuthorizationPreFragment(Bundle savedInstanceState) {
 421
 422         /// step 0 - get UI elements in layout
 423         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 424         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 425         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 426         mUsernameInput = (EditText) findViewById(R.id.account_username);
 427         mPasswordInput = (EditText) findViewById(R.id.account_password);
 428         mAuthStatusView = (TextView) findViewById(R.id.auth_status_text);
 429
 430         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 431         String presetUserName = null;
 432         boolean isPasswordExposed = false;
 433         if (savedInstanceState == null) {
 434             if (mAccount != null) {
 435                 presetUserName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 436             }
 437
 438         } else {
 439             isPasswordExposed = savedInstanceState.getBoolean(KEY_PASSWORD_EXPOSED, false);
 440             mAuthStatusText = savedInstanceState.getInt(KEY_AUTH_STATUS_TEXT);
 441             mAuthStatusIcon = savedInstanceState.getInt(KEY_AUTH_STATUS_ICON);
 442             mAuthToken = savedInstanceState.getString(KEY_AUTH_TOKEN);
 443         }
 444
 445         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 446         mOAuth2Check.setChecked(
 447                 AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType())
 448                     .equals(mAuthTokenType));
 449         if (presetUserName != null) {
 450             mUsernameInput.setText(presetUserName);
 451         }
 452         if (mAction != ACTION_CREATE) {
 453             mUsernameInput.setEnabled(false);
 454             mUsernameInput.setFocusable(false);
 455         }
 456         mPasswordInput.setText(""); // clean password to avoid social hacking
 457         if (isPasswordExposed) {
 458             showPassword();
 459         }
 460         updateAuthenticationPreFragmentVisibility();
 461         showAuthStatus();
 462         mOkButton.setEnabled(mServerIsValid);
 463
 464
 465         /// step 3 - bind listeners
 466         // bindings for password input field
 467         mPasswordInput.setOnFocusChangeListener(this);
 468         mPasswordInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
 469         mPasswordInput.setOnEditorActionListener(this);
 470         mPasswordInput.setOnTouchListener(new RightDrawableOnTouchListener() {
 471             @Override
 472             public boolean onDrawableTouch(final MotionEvent event) {
 473                 if (event.getAction() == MotionEvent.ACTION_UP) {
 474                     AuthenticatorActivity.this.onViewPasswordClick();
 475                 }
 476                 return true;
 477             }
 478         });
 479
 480     }
 481
 482
 483     /**
 484      * Changes the visibility of input elements depending on
 485      * the current authorization method.
 486      */
 487     private void updateAuthenticationPreFragmentVisibility () {
 488         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 489                 equals(mAuthTokenType)) {
 490             // SAML-based web Single Sign On
 491             mOAuth2Check.setVisibility(View.GONE);
 492             mOAuthAuthEndpointText.setVisibility(View.GONE);
 493             mOAuthTokenEndpointText.setVisibility(View.GONE);
 494             mUsernameInput.setVisibility(View.GONE);
 495             mPasswordInput.setVisibility(View.GONE);
 496
 497         } else {
 498             if (mAction == ACTION_CREATE &&
 499                     AUTH_OPTIONAL.equals(getString(R.string.auth_method_oauth2))) {
 500                 mOAuth2Check.setVisibility(View.VISIBLE);
 501             } else {
 502                 mOAuth2Check.setVisibility(View.GONE);
 503             }
 504
 505             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
 506                     equals(mAuthTokenType)) {
 507                 // OAuth 2 authorization
 508
 509                 mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
 510                 mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
 511                 mUsernameInput.setVisibility(View.GONE);
 512                 mPasswordInput.setVisibility(View.GONE);
 513
 514             } else {
 515                 // basic HTTP authorization
 516                 mOAuthAuthEndpointText.setVisibility(View.GONE);
 517                 mOAuthTokenEndpointText.setVisibility(View.GONE);
 518                 mUsernameInput.setVisibility(View.VISIBLE);
 519                 mPasswordInput.setVisibility(View.VISIBLE);
 520             }
 521         }
 522     }
 523
 524
 525
 526     /**
 527      * Saves relevant state before {@link #onPause()}
 528      *
 529      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag, intended to defer the
 530      * processing of the redirection caught in {@link #onNewIntent(Intent)} until {@link #onResume()}
 531      *
 532      * See {@link #loadSavedInstanceState(Bundle)}
 533      */
 534     @Override
 535     protected void onSaveInstanceState(Bundle outState) {
 536         //Log_OC.wtf(TAG, "onSaveInstanceState init" );
 537         super.onSaveInstanceState(outState);
 538
 539         /// global state
 540         outState.putString(KEY_AUTH_TOKEN_TYPE, mAuthTokenType);
 541         outState.putLong(KEY_WAITING_FOR_OP_ID, mWaitingForOpId);
 542
 543         /// Server PRE-fragment state
 544         outState.putInt(KEY_SERVER_STATUS_TEXT, mServerStatusText);
 545         outState.putInt(KEY_SERVER_STATUS_ICON, mServerStatusIcon);
 546         outState.putBoolean(KEY_SERVER_CHECKED, mServerIsChecked);
 547         outState.putBoolean(KEY_SERVER_VALID, mServerIsValid);
 548         outState.putBoolean(KEY_IS_SSL_CONN, mServerInfo.mIsSslConn);
 549         outState.putString(KEY_HOST_URL_TEXT, mServerInfo.mBaseUrl);
 550         if (mServerInfo.mVersion != null) {
 551             outState.putString(KEY_OC_VERSION, mServerInfo.mVersion.getVersion());
 552         }
 553         outState.putString(KEY_SERVER_AUTH_METHOD, mServerInfo.mAuthMethod.name());
 554
 555         /// Authentication PRE-fragment state
 556         outState.putBoolean(KEY_PASSWORD_EXPOSED, isPasswordVisible());
 557         outState.putInt(KEY_AUTH_STATUS_ICON, mAuthStatusIcon);
 558         outState.putInt(KEY_AUTH_STATUS_TEXT, mAuthStatusText);
 559         outState.putString(KEY_AUTH_TOKEN, mAuthToken);
 560
 561         //Log_OC.wtf(TAG, "onSaveInstanceState end" );
 562     }
 563
 564
 565     /**
 566      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION request
 567      * is caught here.
 568      *
 569      * To make this possible, this activity needs to be qualified with android:launchMode = "singleTask" in the
 570      * AndroidManifest.xml file.
 571      */
 572     @Override
 573     protected void onNewIntent (Intent intent) {
 574         Log_OC.d(TAG, "onNewIntent()");
 575         Uri data = intent.getData();
 576         if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) {
 577             mNewCapturedUriFromOAuth2Redirection = data;
 578         }
 579     }
 580
 581
 582     /**
 583      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION, and
 584      * deferred in {@link #onNewIntent(Intent)}, is processed here.
 585      */
 586     @Override
 587     protected void onResume() {
 588         //Log_OC.wtf(TAG, "onResume init" );
 589         super.onResume();
 590
 591         // bound here to avoid spurious changes triggered by Android on device rotations
 592         mHostUrlInput.setOnFocusChangeListener(this);
 593         mHostUrlInput.addTextChangedListener(mHostUrlInputWatcher);
 594
 595         if (mNewCapturedUriFromOAuth2Redirection != null) {
 596             getOAuth2AccessTokenFromCapturedRedirection();
 597         }
 598
 599         if (mOperationsServiceBinder != null) {
 600             doOnResumeAndBound();
 601         }
 602
 603         //Log_OC.wtf(TAG, "onResume end" );
 604     }
 605
 606
 607     @Override
 608     protected void onPause() {
 609         //Log_OC.wtf(TAG, "onPause init" );
 610         if (mOperationsServiceBinder != null) {
 611             //Log_OC.wtf(TAG, "unregistering to listen for operation callbacks" );
 612             mOperationsServiceBinder.removeOperationListener(this);
 613         }
 614
 615         mHostUrlInput.removeTextChangedListener(mHostUrlInputWatcher);
 616         mHostUrlInput.setOnFocusChangeListener(null);
 617
 618         super.onPause();
 619         //Log_OC.wtf(TAG, "onPause end" );
 620     }
 621
 622     @Override
 623     protected void onDestroy() {
 624
 625         mHostUrlInputWatcher = null;
 626
 627         if (mOperationsServiceConnection != null) {
 628             unbindService(mOperationsServiceConnection);
 629             mOperationsServiceBinder = null;
 630         }
 631         super.onDestroy();
 632     }
 633
 634
 635     /**
 636      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 637      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 638      */
 639     private void getOAuth2AccessTokenFromCapturedRedirection() {
 640         /// Parse data from OAuth redirection
 641         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 642         mNewCapturedUriFromOAuth2Redirection = null;
 643
 644         /// Showing the dialog with instructions for the user.
 645         IndeterminateProgressDialog dialog =
 646                 IndeterminateProgressDialog.newInstance(R.string.auth_getting_authorization, true);
 647         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 648
 649         /// GET ACCESS TOKEN to the oAuth server
 650         Intent getServerInfoIntent = new Intent();
 651         getServerInfoIntent.setAction(OperationsService.ACTION_OAUTH2_GET_ACCESS_TOKEN);
 652
 653         getServerInfoIntent.putExtra(
 654                 OperationsService.EXTRA_SERVER_URL,
 655                 mOAuthTokenEndpointText.getText().toString().trim());
 656
 657         getServerInfoIntent.putExtra(
 658                 OperationsService.EXTRA_OAUTH2_QUERY_PARAMETERS,
 659                 queryParameters);
 660
 661         if (mOperationsServiceBinder != null) {
 662             //Log_OC.wtf(TAG, "getting access token..." );
 663             mWaitingForOpId = mOperationsServiceBinder.newOperation(getServerInfoIntent);
 664         }
 665     }
 666
 667
 668
 669     /**
 670      * Handles the change of focus on the text inputs for the server URL and the password
 671      */
 672     public void onFocusChange(View view, boolean hasFocus) {
 673         if (view.getId() == R.id.hostUrlInput) {
 674             if (!hasFocus) {
 675                 onUrlInputFocusLost((TextView) view);
 676             }
 677             else {
 678                 showRefreshButton(false);
 679             }
 680
 681         } else if (view.getId() == R.id.account_password) {
 682             onPasswordFocusChanged((TextView) view, hasFocus);
 683         }
 684     }
 685
 686
 687     /**
 688      * Handles changes in focus on the text input for the server URL.
 689      *
 690      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 691      * other field. The operation to check the existence of the server in the entered URL is
 692      * started.
 693      *
 694      * When hasFocus:    user 'comes back' to write again the server URL.
 695      *
 696      * @param hostInput     TextView with the URL input field receiving the change of focus.
 697      */
 698     private void onUrlInputFocusLost(TextView hostInput) {
 699         if (!mServerInfo.mBaseUrl.equals(
 700                 normalizeUrl(mHostUrlInput.getText().toString(), mServerInfo.mIsSslConn))) {
 701             // check server again only if the user changed something in the field
 702             checkOcServer();
 703         } else {
 704             mOkButton.setEnabled(mServerIsValid);
 705             showRefreshButton(!mServerIsValid);
 706         }
 707     }
 708
 709
 710     private void checkOcServer() {
 711         String uri = mHostUrlInput.getText().toString().trim();
 712         mServerIsValid = false;
 713         mServerIsChecked = false;
 714         mOkButton.setEnabled(false);
 715         mServerInfo = new GetServerInfoOperation.ServerInfo();
 716         showRefreshButton(false);
 717
 718         if (uri.length() != 0) {
 719             mServerStatusText = R.string.auth_testing_connection;
 720             mServerStatusIcon = R.drawable.progress_small;
 721             showServerStatus();
 722
 723             Intent getServerInfoIntent = new Intent();
 724             getServerInfoIntent.setAction(OperationsService.ACTION_GET_SERVER_INFO);
 725             getServerInfoIntent.putExtra(OperationsService.EXTRA_SERVER_URL, uri);
 726             if (mOperationsServiceBinder != null) {
 727                 mWaitingForOpId = mOperationsServiceBinder.newOperation(getServerInfoIntent);
 728             } else {
 729               Log_OC.wtf(TAG, "Server check tried with OperationService unbound!" );
 730             }
 731
 732         } else {
 733             mServerStatusText = 0;
 734             mServerStatusIcon = 0;
 735             showServerStatus();
 736         }
 737     }
 738
 739
 740     /**
 741      * Handles changes in focus on the text input for the password (basic authorization).
 742      *
 743      * When (hasFocus), the button to toggle password visibility is shown.
 744      *
 745      * When (!hasFocus), the button is made invisible and the password is hidden.
 746      *
 747      * @param passwordInput    TextView with the password input field receiving the change of focus.
 748      * @param hasFocus          'True' if focus is received, 'false' if is lost
 749      */
 750     private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {
 751         if (hasFocus) {
 752             showViewPasswordButton();
 753         } else {
 754             hidePassword();
 755             hidePasswordButton();
 756         }
 757     }
 758
 759
 760     private void showViewPasswordButton() {
 761         int drawable = R.drawable.ic_view;
 762         if (isPasswordVisible()) {
 763             drawable = R.drawable.ic_hide;
 764         }
 765         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 766     }
 767
 768     private boolean isPasswordVisible() {
 769         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 770     }
 771
 772     private void hidePasswordButton() {
 773         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 774     }
 775
 776     private void showPassword() {
 777         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 778         showViewPasswordButton();
 779     }
 780
 781     private void hidePassword() {
 782         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
 783         showViewPasswordButton();
 784     }
 785
 786     /**
 787      * Checks the credentials of the user in the root of the ownCloud server
 788      * before creating a new local account.
 789      *
 790      * For basic authorization, a check of existence of the root folder is
 791      * performed.
 792      *
 793      * For OAuth, starts the flow to get an access token; the credentials test
 794      * is postponed until it is available.
 795      *
 796      * IMPORTANT ENTRY POINT 4
 797      *
 798      * @param view      OK button
 799      */
 800     public void onOkClick(View view) {
 801         // this check should be unnecessary
 802         if (mServerInfo.mVersion == null ||
 803                 !mServerInfo.mVersion.isVersionValid()  ||
 804                 mServerInfo.mBaseUrl == null ||
 805                 mServerInfo.mBaseUrl.length() == 0) {
 806             mServerStatusIcon = R.drawable.common_error;
 807             mServerStatusText = R.string.auth_wtf_reenter_URL;
 808             showServerStatus();
 809             mOkButton.setEnabled(false);
 810             //Log_OC.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");
 811             return;
 812         }
 813
 814         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 815             startOauthorization();
 816         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 817             startSamlBasedFederatedSingleSignOnAuthorization();
 818         } else {
 819             checkBasicAuthorization();
 820         }
 821     }
 822
 823
 824     /**
 825      * Tests the credentials entered by the user performing a check of existence on
 826      * the root folder of the ownCloud server.
 827      */
 828     private void checkBasicAuthorization() {
 829         /// get basic credentials entered by user
 830         String username = mUsernameInput.getText().toString();
 831         String password = mPasswordInput.getText().toString();
 832
 833         /// be gentle with the user
 834         IndeterminateProgressDialog dialog =
 835                 IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
 836         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 837
 838         /// validate credentials accessing the root folder
 839         accessRootFolderRemoteOperation(username, password);
 840
 841     }
 842
 843     private void accessRootFolderRemoteOperation(String username, String password) {
 844         Intent existenceCheckIntent = new Intent();
 845         existenceCheckIntent.setAction(OperationsService.ACTION_EXISTENCE_CHECK);
 846         existenceCheckIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mServerInfo.mBaseUrl);
 847         existenceCheckIntent.putExtra(OperationsService.EXTRA_REMOTE_PATH, "/");
 848         existenceCheckIntent.putExtra(OperationsService.EXTRA_USERNAME, username);
 849         existenceCheckIntent.putExtra(OperationsService.EXTRA_PASSWORD, password);
 850         existenceCheckIntent.putExtra(OperationsService.EXTRA_AUTH_TOKEN, mAuthToken);
 851
 852         if (mOperationsServiceBinder != null) {
 853             //Log_OC.wtf(TAG, "starting existenceCheckRemoteOperation..." );
 854             mWaitingForOpId = mOperationsServiceBinder.newOperation(existenceCheckIntent);
 855         }
 856     }
 857
 858     /**
 859      * Starts the OAuth 'grant type' flow to get an access token, with
 860      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 861      */
 862     private void startOauthorization() {
 863         // be gentle with the user
 864         mAuthStatusIcon = R.drawable.progress_small;
 865         mAuthStatusText = R.string.oauth_login_connection;
 866         showAuthStatus();
 867
 868         // GET AUTHORIZATION request
 869         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 870         Uri.Builder uriBuilder = uri.buildUpon();
 871         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type));
 872         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri));
 873         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id));
 874         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope));
 875         uri = uriBuilder.build();
 876         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 877         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 878         startActivity(i);
 879     }
 880
 881
 882     /**
 883      * Starts the Web Single Sign On flow to get access to the root folder
 884      * in the server.
 885      */
 886     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 887         // be gentle with the user
 888         mAuthStatusIcon = R.drawable.progress_small;
 889         mAuthStatusText = R.string.auth_connecting_auth_server;
 890         showAuthStatus();
 891         IndeterminateProgressDialog dialog =
 892                 IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
 893         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 894
 895         /// validate credentials accessing the root folder
 896         accessRootFolderRemoteOperation("", "");
 897
 898     }
 899
 900     /**
 901      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 902      *
 903      * Dispatches the operation flow to the right method.
 904      */
 905     @Override
 906     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 907
 908         if (operation instanceof GetServerInfoOperation) {
 909             if (operation.hashCode() == mWaitingForOpId) {
 910                 onGetServerInfoFinish(result);
 911             }   // else nothing ; only the last check operation is considered;
 912                 // multiple can be started if the user amends a URL quickly
 913
 914         } else if (operation instanceof OAuth2GetAccessToken) {
 915             onGetOAuthAccessTokenFinish(result);
 916
 917         } else if (operation instanceof ExistenceCheckRemoteOperation)  {
 918             //Log_OC.wtf(TAG, "received detection response through callback" );
 919             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 920                 onSamlBasedFederatedSingleSignOnAuthorizationStart(result);
 921
 922             } else {
 923                 onAuthorizationCheckFinish(result);
 924             }
 925         } else if (operation instanceof GetRemoteUserNameOperation) {
 926             onGetUserNameFinish(result);
 927         }
 928
 929     }
 930
 931     private void onGetUserNameFinish(RemoteOperationResult result) {
 932         mWaitingForOpId = Long.MAX_VALUE;
 933         if (result.isSuccess()) {
 934             boolean success = false;
 935             String username = (String) result.getData().get(0);
 936
 937             if ( mAction == ACTION_CREATE) {
 938                 mUsernameInput.setText(username);
 939                 success = createAccount();
 940             } else {
 941
 942                 if (!mUsernameInput.getText().toString().equals(username)) {
 943                     // fail - not a new account, but an existing one; disallow
 944                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
 945                     updateAuthStatusIconAndText(result);
 946                     showAuthStatus();
 947                     Log_OC.d(TAG, result.getLogMessage());
 948                 } else {
 949                     updateToken();
 950                     success = true;
 951                 }
 952             }
 953
 954             if (success)
 955                 finish();
 956         } else {
 957             updateStatusIconFailUserName();
 958             showAuthStatus();
 959             Log_OC.e(TAG, "Access to user name failed: " + result.getLogMessage());
 960         }
 961
 962     }
 963
 964     private void onSamlBasedFederatedSingleSignOnAuthorizationStart(RemoteOperationResult result) {
 965         mWaitingForOpId = Long.MAX_VALUE;
 966         dismissDialog(WAIT_DIALOG_TAG);
 967
 968         if (result.isIdPRedirection()) {
 969             String url = result.getRedirectedLocation();
 970             String targetUrl = mServerInfo.mBaseUrl
 971                     + AccountUtils.getWebdavPath(mServerInfo.mVersion, mAuthTokenType);
 972
 973             // Show dialog
 974             SamlWebViewDialog dialog = SamlWebViewDialog.newInstance(url, targetUrl);
 975             dialog.show(getSupportFragmentManager(), SAML_DIALOG_TAG);
 976
 977             mAuthStatusIcon = 0;
 978             mAuthStatusText = 0;
 979
 980         } else {
 981             mAuthStatusIcon = R.drawable.common_error;
 982             mAuthStatusText = R.string.auth_unsupported_auth_method;
 983
 984         }
 985         showAuthStatus();
 986     }
 987
 988
 989     /**
 990      * Processes the result of the server check performed when the user finishes the enter of the
 991      * server URL.
 992      *
 993      * @param operation     Server check performed.
 994      * @param result        Result of the check.
 995      */
 996     private void onGetServerInfoFinish(RemoteOperationResult result) {
 997         /// update activity state
 998         mServerIsChecked = true;
 999         mWaitingForOpId = Long.MAX_VALUE;
1000
1001         // update server status, but don't show it yet
1002         updateServerStatusIconAndText(result);
1003
1004         if (result.isSuccess()) {
1005             /// SUCCESS means:
1006             //      1. connection succeeded, and we know if it's SSL or not
1007             //      2. server is installed
1008             //      3. we got the server version
1009             //      4. we got the authentication method required by the server
1010             mServerInfo = (GetServerInfoOperation.ServerInfo) (result.getData().get(0));
1011
1012             if (!authSupported(mServerInfo.mAuthMethod)) {
1013
1014                 updateServerStatusIconNoRegularAuth();  // overrides updateServerStatusIconAndText()
1015                 mServerIsValid = false;
1016
1017             } else {
1018                 mServerIsValid = true;
1019             }
1020
1021         } else {
1022             mServerIsValid = false;
1023         }
1024
1025         // refresh UI
1026         showRefreshButton(!mServerIsValid);
1027         showServerStatus();
1028         mOkButton.setEnabled(mServerIsValid);
1029
1030         /// very special case (TODO: move to a common place for all the remote operations)
1031         if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1032             showUntrustedCertDialog(result);
1033         }
1034     }
1035
1036
1037     private boolean authSupported(AuthenticationMethod authMethod) {
1038         String basic = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1039         String oAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1040         String saml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
1041
1042         return (( mAuthTokenType.equals(basic) &&
1043                     authMethod.equals(AuthenticationMethod.BASIC_HTTP_AUTH) ) ||
1044                 ( mAuthTokenType.equals(oAuth) &&
1045                     authMethod.equals(AuthenticationMethod.BEARER_TOKEN)) ||
1046                 ( mAuthTokenType.equals(saml)  &&
1047                     authMethod.equals(AuthenticationMethod.SAML_WEB_SSO))
1048         );
1049     }
1050
1051
1052     // TODO remove, if possible
1053     private String normalizeUrl(String url, boolean sslWhenUnprefixed) {
1054         if (url != null && url.length() > 0) {
1055             url = url.trim();
1056             if (!url.toLowerCase().startsWith("http://") &&
1057                     !url.toLowerCase().startsWith("https://")) {
1058                 if (sslWhenUnprefixed) {
1059                     url = "https://" + url;
1060                 } else {
1061                     url = "http://" + url;
1062                 }
1063             }
1064
1065             url = trimUrlWebdav(url);
1066
1067             if (url.endsWith("/")) {
1068                 url = url.substring(0, url.length() - 1);
1069             }
1070
1071         }
1072         return (url != null ? url : "");
1073     }
1074
1075
1076     // TODO remove, if possible
1077     private String trimUrlWebdav(String url){
1078         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){
1079             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length());
1080         } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){
1081             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length());
1082         } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){
1083             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length());
1084         }
1085         return (url != null ? url : "");
1086     }
1087
1088
1089     /**
1090      * Chooses the right icon and text to show to the user for the received operation result.
1091      *
1092      * @param result    Result of a remote operation performed in this activity
1093      */
1094     private void updateServerStatusIconAndText(RemoteOperationResult result) {
1095         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1096
1097         switch (result.getCode()) {
1098         case OK_SSL:
1099             mServerStatusIcon = android.R.drawable.ic_secure;
1100             mServerStatusText = R.string.auth_secure_connection;
1101             break;
1102
1103         case OK_NO_SSL:
1104         case OK:
1105             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1106                 mServerStatusText = R.string.auth_connection_established;
1107                 mServerStatusIcon = R.drawable.ic_ok;
1108             } else {
1109                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1110                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
1111             }
1112             break;
1113
1114         case NO_NETWORK_CONNECTION:
1115             mServerStatusIcon = R.drawable.no_network;
1116             mServerStatusText = R.string.auth_no_net_conn_title;
1117             break;
1118
1119         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1120             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1121             break;
1122         case BAD_OC_VERSION:
1123             mServerStatusText = R.string.auth_bad_oc_version_title;
1124             break;
1125         case WRONG_CONNECTION:
1126             mServerStatusText = R.string.auth_wrong_connection_title;
1127             break;
1128         case TIMEOUT:
1129             mServerStatusText = R.string.auth_timeout_title;
1130             break;
1131         case INCORRECT_ADDRESS:
1132             mServerStatusText = R.string.auth_incorrect_address_title;
1133             break;
1134         case SSL_ERROR:
1135             mServerStatusText = R.string.auth_ssl_general_error_title;
1136             break;
1137         case UNAUTHORIZED:
1138             mServerStatusText = R.string.auth_unauthorized;
1139             break;
1140         case HOST_NOT_AVAILABLE:
1141             mServerStatusText = R.string.auth_unknown_host_title;
1142             break;
1143         case INSTANCE_NOT_CONFIGURED:
1144             mServerStatusText = R.string.auth_not_configured_title;
1145             break;
1146         case FILE_NOT_FOUND:
1147             mServerStatusText = R.string.auth_incorrect_path_title;
1148             break;
1149         case OAUTH2_ERROR:
1150             mServerStatusText = R.string.auth_oauth_error;
1151             break;
1152         case OAUTH2_ERROR_ACCESS_DENIED:
1153             mServerStatusText = R.string.auth_oauth_error_access_denied;
1154             break;
1155         case UNHANDLED_HTTP_CODE:
1156         case UNKNOWN_ERROR:
1157             mServerStatusText = R.string.auth_unknown_error_title;
1158             break;
1159         default:
1160             mServerStatusText = 0;
1161             mServerStatusIcon = 0;
1162         }
1163     }
1164
1165
1166     /**
1167      * Chooses the right icon and text to show to the user for the received operation result.
1168      *
1169      * @param result    Result of a remote operation performed in this activity
1170      */
1171     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1172         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1173
1174         switch (result.getCode()) {
1175         case OK_SSL:
1176             mAuthStatusIcon = android.R.drawable.ic_secure;
1177             mAuthStatusText = R.string.auth_secure_connection;
1178             break;
1179
1180         case OK_NO_SSL:
1181         case OK:
1182             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1183                 mAuthStatusText = R.string.auth_connection_established;
1184                 mAuthStatusIcon = R.drawable.ic_ok;
1185             } else {
1186                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1187                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
1188             }
1189             break;
1190
1191         case NO_NETWORK_CONNECTION:
1192             mAuthStatusIcon = R.drawable.no_network;
1193             mAuthStatusText = R.string.auth_no_net_conn_title;
1194             break;
1195
1196         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1197             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1198             break;
1199         case BAD_OC_VERSION:
1200             mAuthStatusText = R.string.auth_bad_oc_version_title;
1201             break;
1202         case WRONG_CONNECTION:
1203             mAuthStatusText = R.string.auth_wrong_connection_title;
1204             break;
1205         case TIMEOUT:
1206             mAuthStatusText = R.string.auth_timeout_title;
1207             break;
1208         case INCORRECT_ADDRESS:
1209             mAuthStatusText = R.string.auth_incorrect_address_title;
1210             break;
1211         case SSL_ERROR:
1212             mAuthStatusText = R.string.auth_ssl_general_error_title;
1213             break;
1214         case UNAUTHORIZED:
1215             mAuthStatusText = R.string.auth_unauthorized;
1216             break;
1217         case HOST_NOT_AVAILABLE:
1218             mAuthStatusText = R.string.auth_unknown_host_title;
1219             break;
1220         case INSTANCE_NOT_CONFIGURED:
1221             mAuthStatusText = R.string.auth_not_configured_title;
1222             break;
1223         case FILE_NOT_FOUND:
1224             mAuthStatusText = R.string.auth_incorrect_path_title;
1225             break;
1226         case OAUTH2_ERROR:
1227             mAuthStatusText = R.string.auth_oauth_error;
1228             break;
1229         case OAUTH2_ERROR_ACCESS_DENIED:
1230             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1231             break;
1232         case ACCOUNT_NOT_NEW:
1233             mAuthStatusText = R.string.auth_account_not_new;
1234             break;
1235         case ACCOUNT_NOT_THE_SAME:
1236             mAuthStatusText = R.string.auth_account_not_the_same;
1237             break;
1238         case UNHANDLED_HTTP_CODE:
1239         case UNKNOWN_ERROR:
1240             mAuthStatusText = R.string.auth_unknown_error_title;
1241             break;
1242         default:
1243             mAuthStatusText = 0;
1244             mAuthStatusIcon = 0;
1245         }
1246     }
1247
1248
1249     private void updateStatusIconFailUserName(){
1250         mAuthStatusIcon = R.drawable.common_error;
1251         mAuthStatusText = R.string.auth_fail_get_user_name;
1252     }
1253
1254     private void updateServerStatusIconNoRegularAuth(){
1255         mServerStatusIcon = R.drawable.common_error;
1256         mServerStatusText = R.string.auth_can_not_auth_against_server;
1257     }
1258
1259     /**
1260      * Processes the result of the request for and access token send
1261      * to an OAuth authorization server.
1262      *
1263      * @param result        Result of the operation.
1264      */
1265     private void onGetOAuthAccessTokenFinish(RemoteOperationResult result) {
1266         mWaitingForOpId = Long.MAX_VALUE;
1267         dismissDialog(WAIT_DIALOG_TAG);
1268
1269         if (result.isSuccess()) {
1270             /// be gentle with the user
1271             IndeterminateProgressDialog dialog =
1272                     IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
1273             dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
1274
1275             /// time to test the retrieved access token on the ownCloud server
1276             @SuppressWarnings("unchecked")
1277             Map<String, String> tokens = (Map<String, String>)(result.getData().get(0));
1278             mAuthToken = tokens.get(OAuth2Constants.KEY_ACCESS_TOKEN);
1279             //mAuthToken = ((OAuth2GetAccessToken)operation).getResultTokenMap().get(OAuth2Constants.KEY_ACCESS_TOKEN);
1280             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1281
1282             accessRootFolderRemoteOperation("", "");
1283
1284         } else {
1285             updateAuthStatusIconAndText(result);
1286             showAuthStatus();
1287             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1288         }
1289     }
1290
1291
1292     /**
1293      * Processes the result of the access check performed to try the user credentials.
1294      *
1295      * Creates a new account through the AccountManager.
1296      *
1297      * @param operation     Access check performed.
1298      * @param result        Result of the operation.
1299      */
1300     private void onAuthorizationCheckFinish(RemoteOperationResult result) {
1301         mWaitingForOpId = Long.MAX_VALUE;
1302         dismissDialog(WAIT_DIALOG_TAG);
1303
1304         if (result.isSuccess()) {
1305             Log_OC.d(TAG, "Successful access - time to save the account");
1306
1307             boolean success = false;
1308             if (mAction == ACTION_CREATE) {
1309                 success = createAccount();
1310
1311             } else {
1312                 updateToken();
1313                 success = true;
1314             }
1315
1316             if (success) {
1317                 finish();
1318             }
1319
1320         } else if (result.isServerFail() || result.isException()) {
1321             /// server errors or exceptions in authorization take to requiring a new check of
1322             /// the server
1323             mServerIsChecked = true;
1324             mServerIsValid = false;
1325             mServerInfo = new GetServerInfoOperation.ServerInfo();
1326
1327             // update status icon and text
1328             updateServerStatusIconAndText(result);
1329             showServerStatus();
1330             mAuthStatusIcon = 0;
1331             mAuthStatusText = 0;
1332             showAuthStatus();
1333
1334             // update input controls state
1335             showRefreshButton(true);
1336             mOkButton.setEnabled(false);
1337
1338             // very special case (TODO: move to a common place for all the remote operations) (dangerous here?)
1339             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1340                 showUntrustedCertDialog(result);
1341             }
1342
1343         } else {    // authorization fail due to client side - probably wrong credentials
1344             updateAuthStatusIconAndText(result);
1345             showAuthStatus();
1346             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1347         }
1348     }
1349
1350
1351
1352
1353     /**
1354      * Sets the proper response to get that the Account Authenticator that started this activity saves
1355      * a new authorization token for mAccount.
1356      */
1357     private void updateToken() {
1358         Bundle response = new Bundle();
1359         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1360         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1361
1362         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1363             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1364             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1365             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1366
1367         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1368
1369             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1370             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1371             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1372
1373         } else {
1374             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1375             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1376         }
1377         setAccountAuthenticatorResult(response);
1378
1379     }
1380
1381
1382     /**
1383      * Creates a new account through the Account Authenticator that started this activity.
1384      *
1385      * This makes the account permanent.
1386      *
1387      * TODO Decide how to name the OAuth accounts
1388      */
1389     private boolean createAccount() {
1390         /// create and save new ownCloud account
1391         boolean isOAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1392         boolean isSaml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1393
1394         Uri uri = Uri.parse(mServerInfo.mBaseUrl);
1395         String username = mUsernameInput.getText().toString().trim();
1396         if (isOAuth) {
1397             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1398         }
1399         String accountName = com.owncloud.android.lib.common.accounts.AccountUtils.
1400                 buildAccountName(uri, username);
1401         Account newAccount = new Account(accountName, MainApp.getAccountType());
1402         if (AccountUtils.exists(newAccount, getApplicationContext())) {
1403             // fail - not a new account, but an existing one; disallow
1404             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1405             updateAuthStatusIconAndText(result);
1406             showAuthStatus();
1407             Log_OC.d(TAG, result.getLogMessage());
1408             return false;
1409
1410         } else {
1411             mAccount = newAccount;
1412
1413             if (isOAuth || isSaml) {
1414                 mAccountMgr.addAccountExplicitly(mAccount, "", null);  // with external authorizations, the password is never input in the app
1415             } else {
1416                 mAccountMgr.addAccountExplicitly(mAccount, mPasswordInput.getText().toString(), null);
1417             }
1418
1419             /// add the new account as default in preferences, if there is none already
1420             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1421             if (defaultAccount == null) {
1422                 SharedPreferences.Editor editor = PreferenceManager
1423                         .getDefaultSharedPreferences(this).edit();
1424                 editor.putString("select_oc_account", accountName);
1425                 editor.commit();
1426             }
1427
1428             /// prepare result to return to the Authenticator
1429             //  TODO check again what the Authenticator makes with it; probably has the same effect as addAccountExplicitly, but it's not well done
1430             final Intent intent = new Intent();
1431             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1432             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1433             /*if (!isOAuth)
1434                 intent.putExtra(AccountManager.KEY_AUTHTOKEN,   MainApp.getAccountType()); */
1435             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1436             if (isOAuth || isSaml) {
1437                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1438             }
1439             /// add user data to the new account; TODO probably can be done in the last parameter addAccountExplicitly, or in KEY_USERDATA
1440             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_VERSION,    mServerInfo.mVersion.getVersion());
1441             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_BASE_URL,   mServerInfo.mBaseUrl);
1442
1443             if (isSaml) {
1444                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1445             } else if (isOAuth) {
1446                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1447             }
1448
1449             setAccountAuthenticatorResult(intent.getExtras());
1450             setResult(RESULT_OK, intent);
1451
1452             return true;
1453         }
1454     }
1455
1456
1457     /**
1458      * Starts and activity to open the 'new account' page in the ownCloud web site
1459      *
1460      * @param view      'Account register' button
1461      */
1462     public void onRegisterClick(View view) {
1463         Intent register = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url)));
1464         setResult(RESULT_CANCELED);
1465         startActivity(register);
1466     }
1467
1468
1469     /**
1470      * Updates the content and visibility state of the icon and text associated
1471      * to the last check on the ownCloud server.
1472      *
1473      * @param serverStatusText      Resource identifier of the text to show.
1474      * @param serverStatusIcon      Resource identifier of the icon to show.
1475      */
1476     private void showServerStatus() {
1477         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1478             mServerStatusView.setVisibility(View.INVISIBLE);
1479
1480         } else {
1481             mServerStatusView.setText(mServerStatusText);
1482             mServerStatusView.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1483             mServerStatusView.setVisibility(View.VISIBLE);
1484         }
1485
1486     }
1487
1488
1489     /**
1490      * Updates the content and visibility state of the icon and text associated
1491      * to the interactions with the OAuth authorization server.
1492      */
1493     private void showAuthStatus() {
1494         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1495             mAuthStatusView.setVisibility(View.INVISIBLE);
1496
1497         } else {
1498             mAuthStatusView.setText(mAuthStatusText);
1499             mAuthStatusView.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1500             mAuthStatusView.setVisibility(View.VISIBLE);
1501         }
1502     }
1503
1504
1505     private void showRefreshButton (boolean show) {
1506         if (show)  {
1507             mRefreshButton.setVisibility(View.VISIBLE);
1508         } else {
1509             mRefreshButton.setVisibility(View.GONE);
1510         }
1511     }
1512
1513     /**
1514      * Called when the refresh button in the input field for ownCloud host is clicked.
1515      *
1516      * Performs a new check on the URL in the input field.
1517      *
1518      * @param view      Refresh 'button'
1519      */
1520     public void onRefreshClick(View view) {
1521         checkOcServer();
1522     }
1523
1524
1525     /**
1526      * Called when the eye icon in the password field is clicked.
1527      *
1528      * Toggles the visibility of the password in the field.
1529      */
1530     public void onViewPasswordClick() {
1531         int selectionStart = mPasswordInput.getSelectionStart();
1532         int selectionEnd = mPasswordInput.getSelectionEnd();
1533         if (isPasswordVisible()) {
1534             hidePassword();
1535         } else {
1536             showPassword();
1537         }
1538         mPasswordInput.setSelection(selectionStart, selectionEnd);
1539     }
1540
1541
1542     /**
1543      * Called when the checkbox for OAuth authorization is clicked.
1544      *
1545      * Hides or shows the input fields for user & password.
1546      *
1547      * @param view      'View password' 'button'
1548      */
1549     public void onCheckClick(View view) {
1550         CheckBox oAuth2Check = (CheckBox)view;
1551         if (oAuth2Check.isChecked()) {
1552             mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1553         } else {
1554             mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1555         }
1556         updateAuthenticationPreFragmentVisibility();
1557     }
1558
1559
1560     /**
1561      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1562      *
1563      *  Used to trigger the authentication check when the user presses 'enter' after writing the password,
1564      *  or to throw the server test when the only field on screen is the URL input field.
1565      */
1566     @Override
1567     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1568         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null && inputField.equals(mPasswordInput)) {
1569             if (mOkButton.isEnabled()) {
1570                 mOkButton.performClick();
1571             }
1572
1573         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null && inputField.equals(mHostUrlInput)) {
1574             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1575                 checkOcServer();
1576             }
1577         }
1578         return false;   // always return false to grant that the software keyboard is hidden anyway
1579     }
1580
1581
1582     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1583
1584         private int fuzz = 75;
1585
1586         /**
1587          * {@inheritDoc}
1588          */
1589         @Override
1590         public boolean onTouch(View view, MotionEvent event) {
1591             Drawable rightDrawable = null;
1592             if (view instanceof TextView) {
1593                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1594                 if (drawables.length > 2) {
1595                     rightDrawable = drawables[2];
1596                 }
1597             }
1598             if (rightDrawable != null) {
1599                 final int x = (int) event.getX();
1600                 final int y = (int) event.getY();
1601                 final Rect bounds = rightDrawable.getBounds();
1602                 if (x >= (view.getRight() - bounds.width() - fuzz) && x <= (view.getRight() - view.getPaddingRight() + fuzz)
1603                         && y >= (view.getPaddingTop() - fuzz) && y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1604
1605                     return onDrawableTouch(event);
1606                 }
1607             }
1608             return false;
1609         }
1610
1611         public abstract boolean onDrawableTouch(final MotionEvent event);
1612     }
1613
1614
1615     private void getRemoteUserNameOperation(String sessionCookie, boolean followRedirects) {
1616
1617         Intent getUserNameIntent = new Intent();
1618         getUserNameIntent.setAction(OperationsService.ACTION_GET_USER_NAME);
1619         getUserNameIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mServerInfo.mBaseUrl);
1620         getUserNameIntent.putExtra(OperationsService.EXTRA_COOKIE, sessionCookie);
1621
1622         if (mOperationsServiceBinder != null) {
1623             //Log_OC.wtf(TAG, "starting getRemoteUserNameOperation..." );
1624             mWaitingForOpId = mOperationsServiceBinder.newOperation(getUserNameIntent);
1625         }
1626     }
1627
1628
1629     @Override
1630     public void onSsoFinished(String sessionCookie) {
1631         if (sessionCookie != null && sessionCookie.length() > 0) {
1632             Log_OC.d(TAG, "Successful SSO - time to save the account");
1633             mAuthToken = sessionCookie;
1634             getRemoteUserNameOperation(sessionCookie, true);
1635             Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1636             if (fd != null && fd instanceof SherlockDialogFragment) {
1637                 Dialog d = ((SherlockDialogFragment)fd).getDialog();
1638                 if (d != null && d.isShowing()) {
1639                     d.dismiss();
1640                 }
1641             }
1642
1643         } else {
1644             // TODO - show fail
1645             Log_OC.d(TAG, "SSO failed");
1646         }
1647
1648     }
1649
1650     @Override
1651     public boolean onTouchEvent(MotionEvent event) {
1652         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
1653                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1654             checkOcServer();
1655         }
1656         return super.onTouchEvent(event);
1657     }
1658
1659
1660     /**
1661      * Show untrusted cert dialog
1662      */
1663     public void showUntrustedCertDialog(X509Certificate x509Certificate, SslError error, SslErrorHandler handler) {
1664         // Show a dialog with the certificate info
1665         SslUntrustedCertDialog dialog = null;
1666         if (x509Certificate == null) {
1667             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
1668         } else {
1669             dialog = SslUntrustedCertDialog.newInstanceForFullSslError(x509Certificate, error, handler);
1670         }
1671         FragmentManager fm = getSupportFragmentManager();
1672         FragmentTransaction ft = fm.beginTransaction();
1673         ft.addToBackStack(null);
1674         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1675     }
1676
1677     /**
1678      * Show untrusted cert dialog
1679      */
1680     private void showUntrustedCertDialog(RemoteOperationResult result) {
1681         // Show a dialog with the certificate info
1682         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1683         FragmentManager fm = getSupportFragmentManager();
1684         FragmentTransaction ft = fm.beginTransaction();
1685         ft.addToBackStack(null);
1686         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1687
1688     }
1689
1690     /**
1691      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1692      */
1693     public void onSavedCertificate() {
1694         Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1695         if (fd == null) {
1696             // if SAML dialog is not shown, the SslDialog was shown due to an SSL error in the server check
1697             checkOcServer();
1698         }
1699     }
1700
1701     /**
1702      * Called from SslValidatorDialog when a new server certificate could not be saved
1703      * when the user requested it.
1704      */
1705     @Override
1706     public void onFailedSavingCertificate() {
1707         dismissDialog(SAML_DIALOG_TAG);
1708         Toast.makeText(this, R.string.ssl_validator_not_saved, Toast.LENGTH_LONG).show();
1709     }
1710
1711     @Override
1712     public void onCancelCertificate() {
1713         dismissDialog(SAML_DIALOG_TAG);
1714     }
1715
1716
1717     private void doOnResumeAndBound() {
1718         //Log_OC.wtf(TAG, "registering to listen for operation callbacks" );
1719         mOperationsServiceBinder.addOperationListener(AuthenticatorActivity.this, mHandler);
1720         if (mWaitingForOpId <= Integer.MAX_VALUE) {
1721             mOperationsServiceBinder.dispatchResultIfFinished((int)mWaitingForOpId, this);
1722         }
1723
1724         if (mPendingAutoCheck) {
1725             checkOcServer();
1726         }
1727     }
1728
1729
1730     private void dismissDialog(String dialogTag){
1731         Fragment frag = getSupportFragmentManager().findFragmentByTag(dialogTag);
1732         if (frag != null && frag instanceof SherlockDialogFragment) {
1733             SherlockDialogFragment dialog = (SherlockDialogFragment) frag;
1734             dialog.dismiss();
1735         }
1736     }
1737
1738
1739     /**
1740      * Implements callback methods for service binding.
1741      */
1742     private class OperationsServiceConnection implements ServiceConnection {
1743
1744         @Override
1745         public void onServiceConnected(ComponentName component, IBinder service) {
1746             if (component.equals(new ComponentName(AuthenticatorActivity.this, OperationsService.class))) {
1747                 //Log_OC.wtf(TAG, "Operations service connected");
1748                 mOperationsServiceBinder = (OperationsServiceBinder) service;
1749
1750                 doOnResumeAndBound();
1751
1752             } else {
1753                 return;
1754             }
1755
1756         }
1757
1758         @Override
1759         public void onServiceDisconnected(ComponentName component) {
1760             if (component.equals(new ComponentName(AuthenticatorActivity.this, OperationsService.class))) {
1761                 Log_OC.e(TAG, "Operations service crashed");
1762                 mOperationsServiceBinder = null;
1763             }
1764         }
1765
1766     }
1767
1768 }