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             getServerInfoIntent.putExtra(OperationsService.EXTRA_AUTH_TOKEN_TYPE, mAuthTokenType);
 727             if (mOperationsServiceBinder != null) {
 728                 //Log_OC.wtf(TAG, "checking server..." );
 729                 mWaitingForOpId = mOperationsServiceBinder.newOperation(getServerInfoIntent);
 730             } else {
 731               Log_OC.wtf(TAG, "Server check tried with OperationService unbound!" );
 732             }
 733
 734         } else {
 735             mServerStatusText = 0;
 736             mServerStatusIcon = 0;
 737             showServerStatus();
 738         }
 739     }
 740
 741
 742     /**
 743      * Handles changes in focus on the text input for the password (basic authorization).
 744      *
 745      * When (hasFocus), the button to toggle password visibility is shown.
 746      *
 747      * When (!hasFocus), the button is made invisible and the password is hidden.
 748      *
 749      * @param passwordInput    TextView with the password input field receiving the change of focus.
 750      * @param hasFocus          'True' if focus is received, 'false' if is lost
 751      */
 752     private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {
 753         if (hasFocus) {
 754             showViewPasswordButton();
 755         } else {
 756             hidePassword();
 757             hidePasswordButton();
 758         }
 759     }
 760
 761
 762     private void showViewPasswordButton() {
 763         int drawable = R.drawable.ic_view;
 764         if (isPasswordVisible()) {
 765             drawable = R.drawable.ic_hide;
 766         }
 767         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 768     }
 769
 770     private boolean isPasswordVisible() {
 771         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 772     }
 773
 774     private void hidePasswordButton() {
 775         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 776     }
 777
 778     private void showPassword() {
 779         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 780         showViewPasswordButton();
 781     }
 782
 783     private void hidePassword() {
 784         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
 785         showViewPasswordButton();
 786     }
 787
 788     /**
 789      * Checks the credentials of the user in the root of the ownCloud server
 790      * before creating a new local account.
 791      *
 792      * For basic authorization, a check of existence of the root folder is
 793      * performed.
 794      *
 795      * For OAuth, starts the flow to get an access token; the credentials test
 796      * is postponed until it is available.
 797      *
 798      * IMPORTANT ENTRY POINT 4
 799      *
 800      * @param view      OK button
 801      */
 802     public void onOkClick(View view) {
 803         // this check should be unnecessary
 804         if (mServerInfo.mVersion == null ||
 805                 !mServerInfo.mVersion.isVersionValid()  ||
 806                 mServerInfo.mBaseUrl == null ||
 807                 mServerInfo.mBaseUrl.length() == 0) {
 808             mServerStatusIcon = R.drawable.common_error;
 809             mServerStatusText = R.string.auth_wtf_reenter_URL;
 810             showServerStatus();
 811             mOkButton.setEnabled(false);
 812             //Log_OC.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");
 813             return;
 814         }
 815
 816         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 817             startOauthorization();
 818         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 819             startSamlBasedFederatedSingleSignOnAuthorization();
 820         } else {
 821             checkBasicAuthorization();
 822         }
 823     }
 824
 825
 826     /**
 827      * Tests the credentials entered by the user performing a check of existence on
 828      * the root folder of the ownCloud server.
 829      */
 830     private void checkBasicAuthorization() {
 831         /// get basic credentials entered by user
 832         String username = mUsernameInput.getText().toString();
 833         String password = mPasswordInput.getText().toString();
 834
 835         /// be gentle with the user
 836         IndeterminateProgressDialog dialog =
 837                 IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
 838         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 839
 840         /// test credentials accessing the root folder
 841         String remotePath ="";
 842         boolean successIfAbsent = false;
 843         boolean followRedirects = true;
 844         startExistenceCheckRemoteOperation(
 845                 remotePath, this, successIfAbsent, username, password, followRedirects);
 846
 847     }
 848
 849     private void startExistenceCheckRemoteOperation(
 850             String remotePath, Context context, boolean successIfAbsent,
 851             String username, String password, boolean followRedirects) {
 852         Intent existenceCheckIntent = new Intent();
 853         existenceCheckIntent.setAction(OperationsService.ACTION_EXISTENCE_CHECK);
 854         existenceCheckIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mServerInfo.mBaseUrl);
 855         existenceCheckIntent.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
 856         existenceCheckIntent.putExtra(OperationsService.EXTRA_SUCCESS_IF_ABSENT, successIfAbsent);
 857         existenceCheckIntent.putExtra(OperationsService.EXTRA_USERNAME, username);
 858         existenceCheckIntent.putExtra(OperationsService.EXTRA_PASSWORD, password);
 859         existenceCheckIntent.putExtra(OperationsService.EXTRA_AUTH_TOKEN, mAuthToken);
 860         existenceCheckIntent.putExtra(OperationsService.EXTRA_FOLLOW_REDIRECTS, followRedirects);
 861
 862         if (mOperationsServiceBinder != null) {
 863             //Log_OC.wtf(TAG, "starting existenceCheckRemoteOperation..." );
 864             mWaitingForOpId = mOperationsServiceBinder.newOperation(existenceCheckIntent);
 865         }
 866     }
 867
 868     /**
 869      * Starts the OAuth 'grant type' flow to get an access token, with
 870      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 871      */
 872     private void startOauthorization() {
 873         // be gentle with the user
 874         mAuthStatusIcon = R.drawable.progress_small;
 875         mAuthStatusText = R.string.oauth_login_connection;
 876         showAuthStatus();
 877
 878         // GET AUTHORIZATION request
 879         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 880         Uri.Builder uriBuilder = uri.buildUpon();
 881         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type));
 882         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri));
 883         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id));
 884         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope));
 885         uri = uriBuilder.build();
 886         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 887         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 888         startActivity(i);
 889     }
 890
 891
 892     /**
 893      * Starts the Web Single Sign On flow to get access to the root folder
 894      * in the server.
 895      */
 896     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 897         // be gentle with the user
 898         mAuthStatusIcon = R.drawable.progress_small;
 899         mAuthStatusText = R.string.auth_connecting_auth_server;
 900         showAuthStatus();
 901         IndeterminateProgressDialog dialog =
 902                 IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
 903         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 904
 905         /// test credentials accessing the root folder
 906         String remotePath ="";
 907         boolean successIfAbsent = false;
 908         boolean followRedirections = false;
 909         startExistenceCheckRemoteOperation(
 910                 remotePath, this, successIfAbsent, "", "", followRedirections);
 911
 912     }
 913
 914     /**
 915      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 916      *
 917      * Dispatches the operation flow to the right method.
 918      */
 919     @Override
 920     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 921
 922         if (operation instanceof GetServerInfoOperation) {
 923             if (operation.hashCode() == mWaitingForOpId) {
 924                 onGetServerInfoFinish(result);
 925             }   // else nothing ; only the last check operation is considered;
 926                 // multiple can be started if the user amends a URL quickly
 927
 928         } else if (operation instanceof OAuth2GetAccessToken) {
 929             onGetOAuthAccessTokenFinish(result);
 930
 931         } else if (operation instanceof ExistenceCheckRemoteOperation)  {
 932             //Log_OC.wtf(TAG, "received detection response through callback" );
 933             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 934                 onSamlBasedFederatedSingleSignOnAuthorizationStart(result);
 935
 936             } else {
 937                 onAuthorizationCheckFinish(result);
 938             }
 939         } else if (operation instanceof GetRemoteUserNameOperation) {
 940             onGetUserNameFinish(result);
 941         }
 942
 943     }
 944
 945     private void onGetUserNameFinish(RemoteOperationResult result) {
 946         mWaitingForOpId = Long.MAX_VALUE;
 947         if (result.isSuccess()) {
 948             boolean success = false;
 949             String username = (String) result.getData().get(0);
 950
 951             if ( mAction == ACTION_CREATE) {
 952                 mUsernameInput.setText(username);
 953                 success = createAccount();
 954             } else {
 955
 956                 if (!mUsernameInput.getText().toString().equals(username)) {
 957                     // fail - not a new account, but an existing one; disallow
 958                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
 959                     updateAuthStatusIconAndText(result);
 960                     showAuthStatus();
 961                     Log_OC.d(TAG, result.getLogMessage());
 962                 } else {
 963                     updateToken();
 964                     success = true;
 965                 }
 966             }
 967
 968             if (success)
 969                 finish();
 970         } else {
 971             updateStatusIconFailUserName();
 972             showAuthStatus();
 973             Log_OC.e(TAG, "Access to user name failed: " + result.getLogMessage());
 974         }
 975
 976     }
 977
 978     private void onSamlBasedFederatedSingleSignOnAuthorizationStart(RemoteOperationResult result) {
 979         mWaitingForOpId = Long.MAX_VALUE;
 980         dismissDialog(WAIT_DIALOG_TAG);
 981
 982         if (result.isIdPRedirection()) {
 983             String url = result.getRedirectedLocation();
 984             String targetUrl = mServerInfo.mBaseUrl
 985                     + AccountUtils.getWebdavPath(mServerInfo.mVersion, mAuthTokenType);
 986
 987             // Show dialog
 988             SamlWebViewDialog dialog = SamlWebViewDialog.newInstance(url, targetUrl);
 989             dialog.show(getSupportFragmentManager(), SAML_DIALOG_TAG);
 990
 991             mAuthStatusIcon = 0;
 992             mAuthStatusText = 0;
 993
 994         } else {
 995             mAuthStatusIcon = R.drawable.common_error;
 996             mAuthStatusText = R.string.auth_unsupported_auth_method;
 997
 998         }
 999         showAuthStatus();
1000     }
1001
1002
1003     /**
1004      * Processes the result of the server check performed when the user finishes the enter of the
1005      * server URL.
1006      *
1007      * @param operation     Server check performed.
1008      * @param result        Result of the check.
1009      */
1010     private void onGetServerInfoFinish(RemoteOperationResult result) {
1011         /// update activity state
1012         mServerIsChecked = true;
1013         mWaitingForOpId = Long.MAX_VALUE;
1014
1015         // update server status, but don't show it yet
1016         updateServerStatusIconAndText(result);
1017
1018         if (result.isSuccess()) {
1019             /// SUCCESS means:
1020             //      1. connection succeeded, and we know if it's SSL or not
1021             //      2. server is installed
1022             //      3. we got the server version
1023             //      4. we got the authentication method required by the server
1024             mServerInfo = (GetServerInfoOperation.ServerInfo) (result.getData().get(0));
1025
1026             if (!authSupported(mServerInfo.mAuthMethod)) {
1027
1028                 updateServerStatusIconNoRegularAuth();  // overrides updateServerStatusIconAndText()
1029                 mServerIsValid = false;
1030
1031             } else {
1032                 mServerIsValid = true;
1033             }
1034
1035         } else {
1036             mServerIsValid = false;
1037         }
1038
1039         // refresh UI
1040         showRefreshButton(!mServerIsValid);
1041         showServerStatus();
1042         mOkButton.setEnabled(mServerIsValid);
1043
1044         /// very special case (TODO: move to a common place for all the remote operations)
1045         if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1046             showUntrustedCertDialog(result);
1047         }
1048     }
1049
1050
1051     private boolean authSupported(AuthenticationMethod authMethod) {
1052         String basic = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1053         String oAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1054         String saml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
1055
1056         return (( mAuthTokenType.equals(basic) &&
1057                     authMethod.equals(AuthenticationMethod.BASIC_HTTP_AUTH) ) ||
1058                 ( mAuthTokenType.equals(oAuth) &&
1059                     authMethod.equals(AuthenticationMethod.BEARER_TOKEN)) ||
1060                 ( mAuthTokenType.equals(saml)  &&
1061                     authMethod.equals(AuthenticationMethod.SAML_WEB_SSO))
1062         );
1063     }
1064
1065
1066     // TODO remove, if possible
1067     private String normalizeUrl(String url, boolean sslWhenUnprefixed) {
1068         if (url != null && url.length() > 0) {
1069             url = url.trim();
1070             if (!url.toLowerCase().startsWith("http://") &&
1071                     !url.toLowerCase().startsWith("https://")) {
1072                 if (sslWhenUnprefixed) {
1073                     url = "https://" + url;
1074                 } else {
1075                     url = "http://" + url;
1076                 }
1077             }
1078
1079             url = trimUrlWebdav(url);
1080
1081             if (url.endsWith("/")) {
1082                 url = url.substring(0, url.length() - 1);
1083             }
1084
1085         }
1086         return (url != null ? url : "");
1087     }
1088
1089
1090     // TODO remove, if possible
1091     private String trimUrlWebdav(String url){
1092         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){
1093             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length());
1094         } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){
1095             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length());
1096         } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){
1097             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length());
1098         }
1099         return (url != null ? url : "");
1100     }
1101
1102
1103     /**
1104      * Chooses the right icon and text to show to the user for the received operation result.
1105      *
1106      * @param result    Result of a remote operation performed in this activity
1107      */
1108     private void updateServerStatusIconAndText(RemoteOperationResult result) {
1109         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1110
1111         switch (result.getCode()) {
1112         case OK_SSL:
1113             mServerStatusIcon = android.R.drawable.ic_secure;
1114             mServerStatusText = R.string.auth_secure_connection;
1115             break;
1116
1117         case OK_NO_SSL:
1118         case OK:
1119             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1120                 mServerStatusText = R.string.auth_connection_established;
1121                 mServerStatusIcon = R.drawable.ic_ok;
1122             } else {
1123                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1124                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
1125             }
1126             break;
1127
1128         case NO_NETWORK_CONNECTION:
1129             mServerStatusIcon = R.drawable.no_network;
1130             mServerStatusText = R.string.auth_no_net_conn_title;
1131             break;
1132
1133         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1134             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1135             break;
1136         case BAD_OC_VERSION:
1137             mServerStatusText = R.string.auth_bad_oc_version_title;
1138             break;
1139         case WRONG_CONNECTION:
1140             mServerStatusText = R.string.auth_wrong_connection_title;
1141             break;
1142         case TIMEOUT:
1143             mServerStatusText = R.string.auth_timeout_title;
1144             break;
1145         case INCORRECT_ADDRESS:
1146             mServerStatusText = R.string.auth_incorrect_address_title;
1147             break;
1148         case SSL_ERROR:
1149             mServerStatusText = R.string.auth_ssl_general_error_title;
1150             break;
1151         case UNAUTHORIZED:
1152             mServerStatusText = R.string.auth_unauthorized;
1153             break;
1154         case HOST_NOT_AVAILABLE:
1155             mServerStatusText = R.string.auth_unknown_host_title;
1156             break;
1157         case INSTANCE_NOT_CONFIGURED:
1158             mServerStatusText = R.string.auth_not_configured_title;
1159             break;
1160         case FILE_NOT_FOUND:
1161             mServerStatusText = R.string.auth_incorrect_path_title;
1162             break;
1163         case OAUTH2_ERROR:
1164             mServerStatusText = R.string.auth_oauth_error;
1165             break;
1166         case OAUTH2_ERROR_ACCESS_DENIED:
1167             mServerStatusText = R.string.auth_oauth_error_access_denied;
1168             break;
1169         case UNHANDLED_HTTP_CODE:
1170         case UNKNOWN_ERROR:
1171             mServerStatusText = R.string.auth_unknown_error_title;
1172             break;
1173         default:
1174             mServerStatusText = 0;
1175             mServerStatusIcon = 0;
1176         }
1177     }
1178
1179
1180     /**
1181      * Chooses the right icon and text to show to the user for the received operation result.
1182      *
1183      * @param result    Result of a remote operation performed in this activity
1184      */
1185     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1186         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1187
1188         switch (result.getCode()) {
1189         case OK_SSL:
1190             mAuthStatusIcon = android.R.drawable.ic_secure;
1191             mAuthStatusText = R.string.auth_secure_connection;
1192             break;
1193
1194         case OK_NO_SSL:
1195         case OK:
1196             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1197                 mAuthStatusText = R.string.auth_connection_established;
1198                 mAuthStatusIcon = R.drawable.ic_ok;
1199             } else {
1200                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1201                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
1202             }
1203             break;
1204
1205         case NO_NETWORK_CONNECTION:
1206             mAuthStatusIcon = R.drawable.no_network;
1207             mAuthStatusText = R.string.auth_no_net_conn_title;
1208             break;
1209
1210         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1211             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1212             break;
1213         case BAD_OC_VERSION:
1214             mAuthStatusText = R.string.auth_bad_oc_version_title;
1215             break;
1216         case WRONG_CONNECTION:
1217             mAuthStatusText = R.string.auth_wrong_connection_title;
1218             break;
1219         case TIMEOUT:
1220             mAuthStatusText = R.string.auth_timeout_title;
1221             break;
1222         case INCORRECT_ADDRESS:
1223             mAuthStatusText = R.string.auth_incorrect_address_title;
1224             break;
1225         case SSL_ERROR:
1226             mAuthStatusText = R.string.auth_ssl_general_error_title;
1227             break;
1228         case UNAUTHORIZED:
1229             mAuthStatusText = R.string.auth_unauthorized;
1230             break;
1231         case HOST_NOT_AVAILABLE:
1232             mAuthStatusText = R.string.auth_unknown_host_title;
1233             break;
1234         case INSTANCE_NOT_CONFIGURED:
1235             mAuthStatusText = R.string.auth_not_configured_title;
1236             break;
1237         case FILE_NOT_FOUND:
1238             mAuthStatusText = R.string.auth_incorrect_path_title;
1239             break;
1240         case OAUTH2_ERROR:
1241             mAuthStatusText = R.string.auth_oauth_error;
1242             break;
1243         case OAUTH2_ERROR_ACCESS_DENIED:
1244             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1245             break;
1246         case ACCOUNT_NOT_NEW:
1247             mAuthStatusText = R.string.auth_account_not_new;
1248             break;
1249         case ACCOUNT_NOT_THE_SAME:
1250             mAuthStatusText = R.string.auth_account_not_the_same;
1251             break;
1252         case UNHANDLED_HTTP_CODE:
1253         case UNKNOWN_ERROR:
1254             mAuthStatusText = R.string.auth_unknown_error_title;
1255             break;
1256         default:
1257             mAuthStatusText = 0;
1258             mAuthStatusIcon = 0;
1259         }
1260     }
1261
1262
1263     private void updateStatusIconFailUserName(){
1264         mAuthStatusIcon = R.drawable.common_error;
1265         mAuthStatusText = R.string.auth_fail_get_user_name;
1266     }
1267
1268     private void updateServerStatusIconNoRegularAuth(){
1269         mServerStatusIcon = R.drawable.common_error;
1270         mServerStatusText = R.string.auth_can_not_auth_against_server;
1271     }
1272
1273     /**
1274      * Processes the result of the request for and access token send
1275      * to an OAuth authorization server.
1276      *
1277      * @param result        Result of the operation.
1278      */
1279     private void onGetOAuthAccessTokenFinish(RemoteOperationResult result) {
1280         mWaitingForOpId = Long.MAX_VALUE;
1281         dismissDialog(WAIT_DIALOG_TAG);
1282
1283         if (result.isSuccess()) {
1284             /// be gentle with the user
1285             IndeterminateProgressDialog dialog =
1286                     IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
1287             dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
1288
1289             /// time to test the retrieved access token on the ownCloud server
1290             @SuppressWarnings("unchecked")
1291             Map<String, String> tokens = (Map<String, String>)(result.getData().get(0));
1292             mAuthToken = tokens.get(OAuth2Constants.KEY_ACCESS_TOKEN);
1293             //mAuthToken = ((OAuth2GetAccessToken)operation).getResultTokenMap().get(OAuth2Constants.KEY_ACCESS_TOKEN);
1294             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1295
1296             String remotePath ="";
1297             boolean successIfAbsent = false;
1298             boolean followRedirects = true;
1299             startExistenceCheckRemoteOperation(
1300                     remotePath, this, successIfAbsent, "", "", followRedirects);
1301
1302         } else {
1303             updateAuthStatusIconAndText(result);
1304             showAuthStatus();
1305             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1306         }
1307     }
1308
1309
1310     /**
1311      * Processes the result of the access check performed to try the user credentials.
1312      *
1313      * Creates a new account through the AccountManager.
1314      *
1315      * @param operation     Access check performed.
1316      * @param result        Result of the operation.
1317      */
1318     private void onAuthorizationCheckFinish(RemoteOperationResult result) {
1319         mWaitingForOpId = Long.MAX_VALUE;
1320         dismissDialog(WAIT_DIALOG_TAG);
1321
1322         if (result.isSuccess()) {
1323             Log_OC.d(TAG, "Successful access - time to save the account");
1324
1325             boolean success = false;
1326             if (mAction == ACTION_CREATE) {
1327                 success = createAccount();
1328
1329             } else {
1330                 updateToken();
1331                 success = true;
1332             }
1333
1334             if (success) {
1335                 finish();
1336             }
1337
1338         } else if (result.isServerFail() || result.isException()) {
1339             /// server errors or exceptions in authorization take to requiring a new check of
1340             /// the server
1341             mServerIsChecked = true;
1342             mServerIsValid = false;
1343             mServerInfo = new GetServerInfoOperation.ServerInfo();
1344
1345             // update status icon and text
1346             updateServerStatusIconAndText(result);
1347             showServerStatus();
1348             mAuthStatusIcon = 0;
1349             mAuthStatusText = 0;
1350             showAuthStatus();
1351
1352             // update input controls state
1353             showRefreshButton(true);
1354             mOkButton.setEnabled(false);
1355
1356             // very special case (TODO: move to a common place for all the remote operations) (dangerous here?)
1357             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1358                 showUntrustedCertDialog(result);
1359             }
1360
1361         } else {    // authorization fail due to client side - probably wrong credentials
1362             updateAuthStatusIconAndText(result);
1363             showAuthStatus();
1364             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1365         }
1366     }
1367
1368
1369
1370
1371     /**
1372      * Sets the proper response to get that the Account Authenticator that started this activity saves
1373      * a new authorization token for mAccount.
1374      */
1375     private void updateToken() {
1376         Bundle response = new Bundle();
1377         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1378         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1379
1380         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1381             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1382             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1383             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1384
1385         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1386
1387             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1388             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1389             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1390
1391         } else {
1392             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1393             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1394         }
1395         setAccountAuthenticatorResult(response);
1396
1397     }
1398
1399
1400     /**
1401      * Creates a new account through the Account Authenticator that started this activity.
1402      *
1403      * This makes the account permanent.
1404      *
1405      * TODO Decide how to name the OAuth accounts
1406      */
1407     private boolean createAccount() {
1408         /// create and save new ownCloud account
1409         boolean isOAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1410         boolean isSaml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1411
1412         Uri uri = Uri.parse(mServerInfo.mBaseUrl);
1413         String username = mUsernameInput.getText().toString().trim();
1414         if (isOAuth) {
1415             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1416         }
1417         String accountName = com.owncloud.android.lib.common.accounts.AccountUtils.
1418                 buildAccountName(uri, username);
1419         Account newAccount = new Account(accountName, MainApp.getAccountType());
1420         if (AccountUtils.exists(newAccount, getApplicationContext())) {
1421             // fail - not a new account, but an existing one; disallow
1422             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1423             updateAuthStatusIconAndText(result);
1424             showAuthStatus();
1425             Log_OC.d(TAG, result.getLogMessage());
1426             return false;
1427
1428         } else {
1429             mAccount = newAccount;
1430
1431             if (isOAuth || isSaml) {
1432                 mAccountMgr.addAccountExplicitly(mAccount, "", null);  // with external authorizations, the password is never input in the app
1433             } else {
1434                 mAccountMgr.addAccountExplicitly(mAccount, mPasswordInput.getText().toString(), null);
1435             }
1436
1437             /// add the new account as default in preferences, if there is none already
1438             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1439             if (defaultAccount == null) {
1440                 SharedPreferences.Editor editor = PreferenceManager
1441                         .getDefaultSharedPreferences(this).edit();
1442                 editor.putString("select_oc_account", accountName);
1443                 editor.commit();
1444             }
1445
1446             /// prepare result to return to the Authenticator
1447             //  TODO check again what the Authenticator makes with it; probably has the same effect as addAccountExplicitly, but it's not well done
1448             final Intent intent = new Intent();
1449             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1450             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1451             /*if (!isOAuth)
1452                 intent.putExtra(AccountManager.KEY_AUTHTOKEN,   MainApp.getAccountType()); */
1453             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1454             if (isOAuth || isSaml) {
1455                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1456             }
1457             /// add user data to the new account; TODO probably can be done in the last parameter addAccountExplicitly, or in KEY_USERDATA
1458             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_VERSION,    mServerInfo.mVersion.getVersion());
1459             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_BASE_URL,   mServerInfo.mBaseUrl);
1460
1461             if (isSaml) {
1462                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1463             } else if (isOAuth) {
1464                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1465             }
1466
1467             setAccountAuthenticatorResult(intent.getExtras());
1468             setResult(RESULT_OK, intent);
1469
1470             return true;
1471         }
1472     }
1473
1474
1475     /**
1476      * Starts and activity to open the 'new account' page in the ownCloud web site
1477      *
1478      * @param view      'Account register' button
1479      */
1480     public void onRegisterClick(View view) {
1481         Intent register = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url)));
1482         setResult(RESULT_CANCELED);
1483         startActivity(register);
1484     }
1485
1486
1487     /**
1488      * Updates the content and visibility state of the icon and text associated
1489      * to the last check on the ownCloud server.
1490      *
1491      * @param serverStatusText      Resource identifier of the text to show.
1492      * @param serverStatusIcon      Resource identifier of the icon to show.
1493      */
1494     private void showServerStatus() {
1495         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1496             mServerStatusView.setVisibility(View.INVISIBLE);
1497
1498         } else {
1499             mServerStatusView.setText(mServerStatusText);
1500             mServerStatusView.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1501             mServerStatusView.setVisibility(View.VISIBLE);
1502         }
1503
1504     }
1505
1506
1507     /**
1508      * Updates the content and visibility state of the icon and text associated
1509      * to the interactions with the OAuth authorization server.
1510      */
1511     private void showAuthStatus() {
1512         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1513             mAuthStatusView.setVisibility(View.INVISIBLE);
1514
1515         } else {
1516             mAuthStatusView.setText(mAuthStatusText);
1517             mAuthStatusView.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1518             mAuthStatusView.setVisibility(View.VISIBLE);
1519         }
1520     }
1521
1522
1523     private void showRefreshButton (boolean show) {
1524         if (show)  {
1525             mRefreshButton.setVisibility(View.VISIBLE);
1526         } else {
1527             mRefreshButton.setVisibility(View.GONE);
1528         }
1529     }
1530
1531     /**
1532      * Called when the refresh button in the input field for ownCloud host is clicked.
1533      *
1534      * Performs a new check on the URL in the input field.
1535      *
1536      * @param view      Refresh 'button'
1537      */
1538     public void onRefreshClick(View view) {
1539         checkOcServer();
1540     }
1541
1542
1543     /**
1544      * Called when the eye icon in the password field is clicked.
1545      *
1546      * Toggles the visibility of the password in the field.
1547      */
1548     public void onViewPasswordClick() {
1549         int selectionStart = mPasswordInput.getSelectionStart();
1550         int selectionEnd = mPasswordInput.getSelectionEnd();
1551         if (isPasswordVisible()) {
1552             hidePassword();
1553         } else {
1554             showPassword();
1555         }
1556         mPasswordInput.setSelection(selectionStart, selectionEnd);
1557     }
1558
1559
1560     /**
1561      * Called when the checkbox for OAuth authorization is clicked.
1562      *
1563      * Hides or shows the input fields for user & password.
1564      *
1565      * @param view      'View password' 'button'
1566      */
1567     public void onCheckClick(View view) {
1568         CheckBox oAuth2Check = (CheckBox)view;
1569         if (oAuth2Check.isChecked()) {
1570             mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1571         } else {
1572             mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1573         }
1574         updateAuthenticationPreFragmentVisibility();
1575     }
1576
1577
1578     /**
1579      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1580      *
1581      *  Used to trigger the authentication check when the user presses 'enter' after writing the password,
1582      *  or to throw the server test when the only field on screen is the URL input field.
1583      */
1584     @Override
1585     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1586         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null && inputField.equals(mPasswordInput)) {
1587             if (mOkButton.isEnabled()) {
1588                 mOkButton.performClick();
1589             }
1590
1591         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null && inputField.equals(mHostUrlInput)) {
1592             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1593                 checkOcServer();
1594             }
1595         }
1596         return false;   // always return false to grant that the software keyboard is hidden anyway
1597     }
1598
1599
1600     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1601
1602         private int fuzz = 75;
1603
1604         /**
1605          * {@inheritDoc}
1606          */
1607         @Override
1608         public boolean onTouch(View view, MotionEvent event) {
1609             Drawable rightDrawable = null;
1610             if (view instanceof TextView) {
1611                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1612                 if (drawables.length > 2) {
1613                     rightDrawable = drawables[2];
1614                 }
1615             }
1616             if (rightDrawable != null) {
1617                 final int x = (int) event.getX();
1618                 final int y = (int) event.getY();
1619                 final Rect bounds = rightDrawable.getBounds();
1620                 if (x >= (view.getRight() - bounds.width() - fuzz) && x <= (view.getRight() - view.getPaddingRight() + fuzz)
1621                         && y >= (view.getPaddingTop() - fuzz) && y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1622
1623                     return onDrawableTouch(event);
1624                 }
1625             }
1626             return false;
1627         }
1628
1629         public abstract boolean onDrawableTouch(final MotionEvent event);
1630     }
1631
1632
1633     private void getRemoteUserNameOperation(String sessionCookie, boolean followRedirects) {
1634
1635         Intent getUserNameIntent = new Intent();
1636         getUserNameIntent.setAction(OperationsService.ACTION_GET_USER_NAME);
1637         getUserNameIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mServerInfo.mBaseUrl);
1638         getUserNameIntent.putExtra(OperationsService.EXTRA_COOKIE, sessionCookie);
1639         getUserNameIntent.putExtra(OperationsService.EXTRA_FOLLOW_REDIRECTS, followRedirects);
1640
1641         if (mOperationsServiceBinder != null) {
1642             //Log_OC.wtf(TAG, "starting getRemoteUserNameOperation..." );
1643             mWaitingForOpId = mOperationsServiceBinder.newOperation(getUserNameIntent);
1644         }
1645     }
1646
1647
1648     @Override
1649     public void onSsoFinished(String sessionCookie) {
1650         if (sessionCookie != null && sessionCookie.length() > 0) {
1651             Log_OC.d(TAG, "Successful SSO - time to save the account");
1652             mAuthToken = sessionCookie;
1653             getRemoteUserNameOperation(sessionCookie, true);
1654             Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1655             if (fd != null && fd instanceof SherlockDialogFragment) {
1656                 Dialog d = ((SherlockDialogFragment)fd).getDialog();
1657                 if (d != null && d.isShowing()) {
1658                     d.dismiss();
1659                 }
1660             }
1661
1662         } else {
1663             // TODO - show fail
1664             Log_OC.d(TAG, "SSO failed");
1665         }
1666
1667     }
1668
1669     @Override
1670     public boolean onTouchEvent(MotionEvent event) {
1671         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
1672                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1673             checkOcServer();
1674         }
1675         return super.onTouchEvent(event);
1676     }
1677
1678
1679     /**
1680      * Show untrusted cert dialog
1681      */
1682     public void showUntrustedCertDialog(X509Certificate x509Certificate, SslError error, SslErrorHandler handler) {
1683         // Show a dialog with the certificate info
1684         SslUntrustedCertDialog dialog = null;
1685         if (x509Certificate == null) {
1686             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
1687         } else {
1688             dialog = SslUntrustedCertDialog.newInstanceForFullSslError(x509Certificate, error, handler);
1689         }
1690         FragmentManager fm = getSupportFragmentManager();
1691         FragmentTransaction ft = fm.beginTransaction();
1692         ft.addToBackStack(null);
1693         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1694     }
1695
1696     /**
1697      * Show untrusted cert dialog
1698      */
1699     private void showUntrustedCertDialog(RemoteOperationResult result) {
1700         // Show a dialog with the certificate info
1701         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1702         FragmentManager fm = getSupportFragmentManager();
1703         FragmentTransaction ft = fm.beginTransaction();
1704         ft.addToBackStack(null);
1705         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1706
1707     }
1708
1709     /**
1710      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1711      */
1712     public void onSavedCertificate() {
1713         Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1714         if (fd == null) {
1715             // if SAML dialog is not shown, the SslDialog was shown due to an SSL error in the server check
1716             checkOcServer();
1717         }
1718     }
1719
1720     /**
1721      * Called from SslValidatorDialog when a new server certificate could not be saved
1722      * when the user requested it.
1723      */
1724     @Override
1725     public void onFailedSavingCertificate() {
1726         dismissDialog(SAML_DIALOG_TAG);
1727         Toast.makeText(this, R.string.ssl_validator_not_saved, Toast.LENGTH_LONG).show();
1728     }
1729
1730     @Override
1731     public void onCancelCertificate() {
1732         dismissDialog(SAML_DIALOG_TAG);
1733     }
1734
1735
1736     private void doOnResumeAndBound() {
1737         //Log_OC.wtf(TAG, "registering to listen for operation callbacks" );
1738         mOperationsServiceBinder.addOperationListener(AuthenticatorActivity.this, mHandler);
1739         if (mWaitingForOpId <= Integer.MAX_VALUE) {
1740             mOperationsServiceBinder.dispatchResultIfFinished((int)mWaitingForOpId, this);
1741         }
1742
1743         if (mPendingAutoCheck) {
1744             checkOcServer();
1745         }
1746     }
1747
1748
1749     private void dismissDialog(String dialogTag){
1750         Fragment frag = getSupportFragmentManager().findFragmentByTag(dialogTag);
1751         if (frag != null && frag instanceof SherlockDialogFragment) {
1752             SherlockDialogFragment dialog = (SherlockDialogFragment) frag;
1753             dialog.dismiss();
1754         }
1755     }
1756
1757
1758     /**
1759      * Implements callback methods for service binding.
1760      */
1761     private class OperationsServiceConnection implements ServiceConnection {
1762
1763         @Override
1764         public void onServiceConnected(ComponentName component, IBinder service) {
1765             if (component.equals(new ComponentName(AuthenticatorActivity.this, OperationsService.class))) {
1766                 //Log_OC.wtf(TAG, "Operations service connected");
1767                 mOperationsServiceBinder = (OperationsServiceBinder) service;
1768
1769                 doOnResumeAndBound();
1770
1771             } else {
1772                 return;
1773             }
1774
1775         }
1776
1777         @Override
1778         public void onServiceDisconnected(ComponentName component) {
1779             if (component.equals(new ComponentName(AuthenticatorActivity.this, OperationsService.class))) {
1780                 Log_OC.e(TAG, "Operations service crashed");
1781                 mOperationsServiceBinder = null;
1782             }
1783         }
1784
1785     }
1786
1787 }