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