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.util.Log;
  47 import android.view.KeyEvent;
  48 import android.view.MotionEvent;
  49 import android.view.View;
  50 import android.view.View.OnFocusChangeListener;
  51 import android.view.View.OnTouchListener;
  52 import android.view.Window;
  53 import android.view.inputmethod.EditorInfo;
  54 import android.webkit.SslErrorHandler;
  55 import android.widget.Button;
  56 import android.widget.CheckBox;
  57 import android.widget.EditText;
  58 import android.widget.TextView;
  59 import android.widget.TextView.OnEditorActionListener;
  60 import android.widget.Toast;
  61
  62 import com.actionbarsherlock.app.SherlockDialogFragment;
  63 import com.owncloud.android.MainApp;
  64 import com.owncloud.android.R;
  65 import com.owncloud.android.authentication.SsoWebViewClient.SsoWebViewClientListener;
  66 import com.owncloud.android.lib.common.accounts.AccountTypeUtils;
  67 import com.owncloud.android.lib.common.accounts.AccountUtils.Constants;
  68 import com.owncloud.android.operations.DetectAuthenticationMethodOperation.AuthenticationMethod;
  69 import com.owncloud.android.operations.GetServerInfoOperation;
  70 import com.owncloud.android.operations.OAuth2GetAccessToken;
  71
  72 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  73 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  74 import com.owncloud.android.lib.common.operations.RemoteOperation;
  75 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  76 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  77 import com.owncloud.android.lib.resources.files.ExistenceCheckRemoteOperation;
  78 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  79
  80 import com.owncloud.android.services.OperationsService;
  81 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  82 import com.owncloud.android.ui.dialog.IndeterminateProgressDialog;
  83 import com.owncloud.android.ui.dialog.SamlWebViewDialog;
  84 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  85 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  86 import com.owncloud.android.utils.Log_OC;
  87 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  88
  89 /**
  90  * This Activity is used to add an ownCloud account to the App
  91  *
  92  * @author Bartek Przybylski
  93  * @author David A. Velasco
  94  * @author masensio
  95  */
  96 public class AuthenticatorActivity extends AccountAuthenticatorActivity
  97 implements  OnRemoteOperationListener, OnFocusChangeListener, OnEditorActionListener,
  98 SsoWebViewClientListener, OnSslUntrustedCertListener {
  99
 100     private static final String TAG = AuthenticatorActivity.class.getSimpleName();
 101
 102     public static final String EXTRA_ACTION = "ACTION";
 103     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 104
 105     private static final String KEY_AUTH_TOKEN_TYPE = "AUTH_TOKEN_TYPE";
 106
 107     private static final String KEY_HOST_URL_TEXT = "HOST_URL_TEXT";
 108     private static final String KEY_OC_VERSION = "OC_VERSION";
 109     private static final String KEY_SERVER_VALID = "SERVER_VALID";
 110     private static final String KEY_SERVER_CHECKED = "SERVER_CHECKED";
 111     private static final String KEY_SERVER_STATUS_TEXT = "SERVER_STATUS_TEXT";
 112     private static final String KEY_SERVER_STATUS_ICON = "SERVER_STATUS_ICON";
 113     private static final String KEY_IS_SSL_CONN = "IS_SSL_CONN";
 114     private static final String KEY_PASSWORD_EXPOSED = "PASSWORD_VISIBLE";
 115     private static final String KEY_AUTH_STATUS_TEXT = "AUTH_STATUS_TEXT";
 116     private static final String KEY_AUTH_STATUS_ICON = "AUTH_STATUS_ICON";
 117     private static final String KEY_SERVER_AUTH_METHOD = "SERVER_AUTH_METHOD";
 118     private static final String KEY_WAITING_FOR_OP_ID = "DETECT_AUTH_OP_ID";
 119     private static final String KEY_AUTH_TOKEN = "AUTH_TOKEN";
 120
 121     private static final String AUTH_ON = "on";
 122     private static final String AUTH_OPTIONAL = "optional";
 123
 124     public static final byte ACTION_CREATE = 0;
 125     public static final byte ACTION_UPDATE_TOKEN = 1;               // requested by the user
 126     public static final byte ACTION_UPDATE_EXPIRED_TOKEN = 2;       // detected by the app
 127
 128     private static final String UNTRUSTED_CERT_DIALOG_TAG = "UNTRUSTED_CERT_DIALOG";
 129     private static final String SAML_DIALOG_TAG = "SAML_DIALOG";
 130     private static final String WAIT_DIALOG_TAG = "WAIT_DIALOG";
 131
 132
 133     /// parameters from EXTRAs in starter Intent
 134     private byte mAction;
 135     private Account mAccount;
 136     private String mAuthTokenType;
 137
 138
 139     /// activity-level references / state
 140     private final Handler mHandler = new Handler();
 141     private ServiceConnection mOperationsServiceConnection = null;
 142     private OperationsServiceBinder mOperationsServiceBinder = null;
 143     private AccountManager mAccountMgr;
 144     private Uri mNewCapturedUriFromOAuth2Redirection;
 145
 146
 147     /// Server PRE-Fragment elements
 148     private EditText mHostUrlInput;
 149     private View mRefreshButton;
 150     private TextView mServerStatusView;
 151
 152     private TextWatcher mHostUrlInputWatcher;
 153     private int mServerStatusText = 0, mServerStatusIcon = 0;
 154
 155     private boolean mServerIsChecked = false;
 156     private boolean mServerIsValid = 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 int mWaitingForOpId = -1;
 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.getInt(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         /// initialize block to be moved to single Fragment to check server and get info about it
 224         initServerPreFragment(savedInstanceState);
 225
 226         /// initialize block to be moved to single Fragment to retrieve and validate credentials
 227         initAuthorizationPreFragment(savedInstanceState);
 228
 229         Log_OC.wtf(TAG,  "onCreate end");
 230     }
 231
 232     private void initAuthTokenType() {
 233         mAuthTokenType =
 234                 getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 235         if (mAuthTokenType == null) {
 236             if (mAccount != null) {
 237                 boolean oAuthRequired =
 238                     (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2) != null);
 239                 boolean samlWebSsoRequired =
 240                     (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO) != null);
 241                 mAuthTokenType = chooseAuthTokenType(oAuthRequired, samlWebSsoRequired);
 242
 243             } else {
 244                 boolean oAuthSupported = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
 245                 boolean samlWebSsoSupported = AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));
 246                 mAuthTokenType = chooseAuthTokenType(oAuthSupported, samlWebSsoSupported);
 247             }
 248         }
 249     }
 250
 251     private String chooseAuthTokenType(boolean oauth, boolean saml) {
 252         if (saml) {
 253             return AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 254         } else if (oauth) {
 255              return AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
 256         } else {
 257             return AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 258         }
 259     }
 260
 261
 262     /**
 263      * Configures elements in the user interface under direct control of the Activity.
 264      *
 265      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 266      */
 267     private void initOverallUi(Bundle savedInstanceState) {
 268
 269         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 270         boolean isWelcomeLinkVisible = getResources().getBoolean(R.bool.show_welcome_link);
 271
 272         String instructionsMessageText = null;
 273         if (mAction == ACTION_UPDATE_EXPIRED_TOKEN) {
 274             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType())
 275                     .equals(mAuthTokenType)) {
 276                 instructionsMessageText = getString(R.string.auth_expired_oauth_token_toast);
 277
 278             } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType())
 279                     .equals(mAuthTokenType)) {
 280                 instructionsMessageText = getString(R.string.auth_expired_saml_sso_token_toast);
 281
 282             } else {
 283                 instructionsMessageText = getString(R.string.auth_expired_basic_auth_toast);
 284             }
 285         }
 286
 287         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 288         Button welcomeLink = (Button) findViewById(R.id.welcome_link);
 289         welcomeLink.setVisibility(isWelcomeLinkVisible ? View.VISIBLE : View.GONE);
 290         welcomeLink.setText(
 291                 String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 292
 293         TextView instructionsView = (TextView) findViewById(R.id.instructions_message);
 294         if (instructionsMessageText != null) {
 295             instructionsView.setVisibility(View.VISIBLE);
 296             instructionsView.setText(instructionsMessageText);
 297         } else {
 298             instructionsView.setVisibility(View.GONE);
 299         }
 300     }
 301
 302
 303     /**
 304      *
 305      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 306      */
 307     private void initServerPreFragment(Bundle savedInstanceState) {
 308
 309         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 310         boolean isUrlInputAllowed = getResources().getBoolean(R.bool.show_server_url_input);
 311         //boolean refreshButtonEnabled = false;
 312         if (savedInstanceState == null) {
 313             if (mAccount != null) {
 314                 mServerInfo.mBaseUrl = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_BASE_URL);
 315                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");   // TODO do this in a setter for mBaseUrl
 316                 String ocVersion = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION);
 317                 if (ocVersion != null) {
 318                     mServerInfo.mVersion = new OwnCloudVersion(ocVersion);
 319                 }
 320             } else {
 321                 mServerInfo.mBaseUrl = getString(R.string.server_url).trim();
 322                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");
 323             }
 324         } else {
 325             //refreshButtonEnabled = savedInstanceState.getBoolean(KEY_REFRESH_BUTTON_ENABLED);
 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 && mWaitingForOpId == -1);
 359         mServerStatusView = (TextView) findViewById(R.id.server_status_text);
 360         showServerStatus();
 361
 362         /// step 3 - bind some listeners and options
 363         mHostUrlInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 364         mHostUrlInput.setOnEditorActionListener(this);
 365
 366         /// step 4 - create listeners that will be bound at onResume
 367         mHostUrlInputWatcher = new TextWatcher() {
 368
 369             @Override
 370             public void afterTextChanged(Editable s) {
 371                 if (mOkButton.isEnabled() &&
 372                         !mServerInfo.mBaseUrl.equals(
 373                                 normalizeUrl(s.toString(), mServerInfo.mIsSslConn))) {
 374                     mOkButton.setEnabled(false);
 375                 }
 376             }
 377
 378             @Override
 379             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 380             }
 381
 382             @Override
 383             public void onTextChanged(CharSequence s, int start, int before, int count) {
 384                 if (mAuthStatusIcon != 0) {
 385                     Log_OC.d(TAG, "onTextChanged: hiding authentication status");
 386                     mAuthStatusIcon = 0;
 387                     mAuthStatusText = 0;
 388                     showAuthStatus();
 389                 }
 390             }
 391         };
 392
 393
 394         // TODO find out if this is really necessary, or if it can done in a different way
 395         findViewById(R.id.scroll).setOnTouchListener(new OnTouchListener() {
 396             @Override
 397             public boolean onTouch(View view, MotionEvent event) {
 398                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 399                     if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
 400                             mHostUrlInput.hasFocus()) {
 401                         checkOcServer();
 402                     }
 403                 }
 404                 return false;
 405             }
 406         });
 407
 408
 409         /// step 4 - automatic actions to start
 410         if (savedInstanceState == null) {
 411             if (mAction != ACTION_CREATE || !isUrlInputAllowed) {
 412                 checkOcServer();
 413             }
 414         }
 415     }
 416
 417
 418     /**
 419      *
 420      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 421      */
 422     private void initAuthorizationPreFragment(Bundle savedInstanceState) {
 423
 424         /// step 0 - get UI elements in layout
 425         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 426         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 427         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 428         mUsernameInput = (EditText) findViewById(R.id.account_username);
 429         mPasswordInput = (EditText) findViewById(R.id.account_password);
 430         mAuthStatusView = (TextView) findViewById(R.id.auth_status_text);
 431         mOkButton = findViewById(R.id.buttonOK);
 432
 433         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 434         String presetUserName = null;
 435         boolean isPasswordExposed = false;
 436         if (savedInstanceState == null) {
 437             if (mAccount != null) {
 438                 presetUserName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 439             }
 440
 441         } else {
 442             isPasswordExposed = savedInstanceState.getBoolean(KEY_PASSWORD_EXPOSED, false);
 443             mAuthStatusText = savedInstanceState.getInt(KEY_AUTH_STATUS_TEXT);
 444             mAuthStatusIcon = savedInstanceState.getInt(KEY_AUTH_STATUS_ICON);
 445             mAuthToken = savedInstanceState.getString(KEY_AUTH_TOKEN);
 446         }
 447
 448         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 449         mOAuth2Check.setChecked(
 450                 AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType())
 451                     .equals(mAuthTokenType));
 452         if (presetUserName != null) {
 453             mUsernameInput.setText(presetUserName);
 454         }
 455         if (mAction != ACTION_CREATE) {
 456             mUsernameInput.setEnabled(false);
 457             mUsernameInput.setFocusable(false);
 458         }
 459         mPasswordInput.setText(""); // clean password to avoid social hacking
 460         if (isPasswordExposed) {
 461             showPassword();
 462         }
 463         updateAuthenticationPreFragmentVisibility();
 464         showAuthStatus();
 465         mOkButton.setEnabled(mServerIsValid);
 466
 467
 468         /// step 3 - bind listeners
 469         // bindings for password input field
 470         mPasswordInput.setOnFocusChangeListener(this);
 471         mPasswordInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
 472         mPasswordInput.setOnEditorActionListener(this);
 473         mPasswordInput.setOnTouchListener(new RightDrawableOnTouchListener() {
 474             @Override
 475             public boolean onDrawableTouch(final MotionEvent event) {
 476                 if (event.getAction() == MotionEvent.ACTION_UP) {
 477                     AuthenticatorActivity.this.onViewPasswordClick();
 478                 }
 479                 return true;
 480             }
 481         });
 482
 483     }
 484
 485
 486     /**
 487      * Changes the visibility of input elements depending on
 488      * the current authorization method.
 489      */
 490     private void updateAuthenticationPreFragmentVisibility () {
 491         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 492                 equals(mAuthTokenType)) {
 493             // SAML-based web Single Sign On
 494             mOAuth2Check.setVisibility(View.GONE);
 495             mOAuthAuthEndpointText.setVisibility(View.GONE);
 496             mOAuthTokenEndpointText.setVisibility(View.GONE);
 497             mUsernameInput.setVisibility(View.GONE);
 498             mPasswordInput.setVisibility(View.GONE);
 499
 500         } else {
 501             if (mAction == ACTION_CREATE &&
 502                     AUTH_OPTIONAL.equals(getString(R.string.auth_method_oauth2))) {
 503                 mOAuth2Check.setVisibility(View.VISIBLE);
 504             } else {
 505                 mOAuth2Check.setVisibility(View.GONE);
 506             }
 507
 508             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
 509                     equals(mAuthTokenType)) {
 510                 // OAuth 2 authorization
 511
 512                 mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
 513                 mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
 514                 mUsernameInput.setVisibility(View.GONE);
 515                 mPasswordInput.setVisibility(View.GONE);
 516
 517             } else {
 518                 // basic HTTP authorization
 519                 mOAuthAuthEndpointText.setVisibility(View.GONE);
 520                 mOAuthTokenEndpointText.setVisibility(View.GONE);
 521                 mUsernameInput.setVisibility(View.VISIBLE);
 522                 mPasswordInput.setVisibility(View.VISIBLE);
 523             }
 524         }
 525     }
 526
 527
 528
 529     /**
 530      * Saves relevant state before {@link #onPause()}
 531      *
 532      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag, intended to defer the
 533      * processing of the redirection caught in {@link #onNewIntent(Intent)} until {@link #onResume()}
 534      *
 535      * See {@link #loadSavedInstanceState(Bundle)}
 536      */
 537     @Override
 538     protected void onSaveInstanceState(Bundle outState) {
 539         Log.wtf(TAG, "onSaveInstanceState init" );
 540         super.onSaveInstanceState(outState);
 541
 542         /// global state
 543         outState.putString(KEY_AUTH_TOKEN_TYPE, mAuthTokenType);
 544         outState.putInt(KEY_WAITING_FOR_OP_ID, mWaitingForOpId);
 545
 546         /// Server PRE-fragment state
 547         outState.putInt(KEY_SERVER_STATUS_TEXT, mServerStatusText);
 548         outState.putInt(KEY_SERVER_STATUS_ICON, mServerStatusIcon);
 549         outState.putBoolean(KEY_SERVER_CHECKED, mServerIsChecked);
 550         outState.putBoolean(KEY_SERVER_VALID, mServerIsValid);
 551         outState.putBoolean(KEY_IS_SSL_CONN, mServerInfo.mIsSslConn);
 552         outState.putString(KEY_HOST_URL_TEXT, mServerInfo.mBaseUrl);
 553         if (mServerInfo.mVersion != null) {
 554             outState.putString(KEY_OC_VERSION, mServerInfo.mVersion.getVersion());
 555         }
 556         outState.putString(KEY_SERVER_AUTH_METHOD, mServerInfo.mAuthMethod.name());
 557
 558         /// Authentication PRE-fragment state
 559         outState.putBoolean(KEY_PASSWORD_EXPOSED, isPasswordVisible());
 560         outState.putInt(KEY_AUTH_STATUS_ICON, mAuthStatusIcon);
 561         outState.putInt(KEY_AUTH_STATUS_TEXT, mAuthStatusText);
 562         outState.putString(KEY_AUTH_TOKEN, mAuthToken);
 563
 564         Log.wtf(TAG, "onSaveInstanceState end" );
 565     }
 566
 567
 568     /**
 569      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION request
 570      * is caught here.
 571      *
 572      * To make this possible, this activity needs to be qualified with android:launchMode = "singleTask" in the
 573      * AndroidManifest.xml file.
 574      */
 575     @Override
 576     protected void onNewIntent (Intent intent) {
 577         Log_OC.d(TAG, "onNewIntent()");
 578         Uri data = intent.getData();
 579         if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) {
 580             mNewCapturedUriFromOAuth2Redirection = data;
 581         }
 582     }
 583
 584
 585     /**
 586      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION, and
 587      * deferred in {@link #onNewIntent(Intent)}, is processed here.
 588      */
 589     @Override
 590     protected void onResume() {
 591         Log_OC.wtf(TAG, "onResume init" );
 592         super.onResume();
 593
 594         // bound here to avoid spurious changes triggered by Android on device rotations
 595         mHostUrlInput.setOnFocusChangeListener(this);
 596         mHostUrlInput.addTextChangedListener(mHostUrlInputWatcher);
 597
 598         if (mNewCapturedUriFromOAuth2Redirection != null) {
 599             getOAuth2AccessTokenFromCapturedRedirection();
 600         }
 601
 602         if (mOperationsServiceBinder != null) {
 603             doOnResumeAndBound();
 604         }
 605
 606         Log_OC.wtf(TAG, "onResume end" );
 607     }
 608
 609
 610     @Override
 611     protected void onPause() {
 612         Log.wtf(TAG, "onPause init" );
 613         if (mOperationsServiceBinder != null) {
 614             Log.wtf(TAG, "unregistering to listen for operation callbacks" );
 615             mOperationsServiceBinder.removeOperationListener(this);
 616         }
 617
 618         mHostUrlInput.removeTextChangedListener(mHostUrlInputWatcher);
 619         mHostUrlInput.setOnFocusChangeListener(null);
 620
 621         super.onPause();
 622         Log.wtf(TAG, "onPause end" );
 623     }
 624
 625     @Override
 626     protected void onDestroy() {
 627
 628         mHostUrlInputWatcher = null;
 629
 630         if (mOperationsServiceConnection != null) {
 631             unbindService(mOperationsServiceConnection);
 632             mOperationsServiceBinder = null;
 633         }
 634         super.onDestroy();
 635     }
 636
 637
 638     /**
 639      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 640      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 641      */
 642     private void getOAuth2AccessTokenFromCapturedRedirection() {
 643         /// Parse data from OAuth redirection
 644         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 645         mNewCapturedUriFromOAuth2Redirection = null;
 646
 647         /// Showing the dialog with instructions for the user.
 648         IndeterminateProgressDialog dialog =
 649                 IndeterminateProgressDialog.newInstance(R.string.auth_getting_authorization, true);
 650         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 651
 652         /// GET ACCESS TOKEN to the oAuth server
 653         Intent getServerInfoIntent = new Intent();
 654         getServerInfoIntent.setAction(OperationsService.ACTION_OAUTH2_GET_ACCESS_TOKEN);
 655
 656         getServerInfoIntent.putExtra(
 657                 OperationsService.EXTRA_SERVER_URL,
 658                 mOAuthTokenEndpointText.getText().toString().trim());
 659
 660         getServerInfoIntent.putExtra(
 661                 OperationsService.EXTRA_OAUTH2_QUERY_PARAMETERS,
 662                 queryParameters);
 663
 664         if (mOperationsServiceBinder != null) {
 665             //Log_OC.wtf(TAG, "getting access token..." );
 666             mWaitingForOpId = mOperationsServiceBinder.newOperation(getServerInfoIntent);
 667         }
 668     }
 669
 670
 671
 672     /**
 673      * Handles the change of focus on the text inputs for the server URL and the password
 674      */
 675     public void onFocusChange(View view, boolean hasFocus) {
 676         if (view.getId() == R.id.hostUrlInput) {
 677             if (!hasFocus) {
 678                 onUrlInputFocusLost((TextView) view);
 679             }
 680             else {
 681                 showRefreshButton(false);
 682             }
 683
 684         } else if (view.getId() == R.id.account_password) {
 685             onPasswordFocusChanged((TextView) view, hasFocus);
 686         }
 687     }
 688
 689
 690     /**
 691      * Handles changes in focus on the text input for the server URL.
 692      *
 693      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 694      * other field. The operation to check the existence of the server in the entered URL is
 695      * started.
 696      *
 697      * When hasFocus:    user 'comes back' to write again the server URL.
 698      *
 699      * @param hostInput     TextView with the URL input field receiving the change of focus.
 700      */
 701     private void onUrlInputFocusLost(TextView hostInput) {
 702         if (!mServerInfo.mBaseUrl.equals(
 703                 normalizeUrl(mHostUrlInput.getText().toString(), mServerInfo.mIsSslConn))) {
 704             // check server again only if the user changed something in the field
 705             checkOcServer();
 706         } else {
 707             mOkButton.setEnabled(mServerIsValid);
 708             showRefreshButton(!mServerIsValid);
 709         }
 710     }
 711
 712
 713     private void checkOcServer() {
 714         String uri = mHostUrlInput.getText().toString().trim();
 715         mServerIsValid = false;
 716         mServerIsChecked = false;
 717         mOkButton.setEnabled(false);
 718         mServerInfo = new GetServerInfoOperation.ServerInfo();
 719         showRefreshButton(false);
 720
 721         if (uri.length() != 0) {
 722             mServerStatusText = R.string.auth_testing_connection;
 723             mServerStatusIcon = R.drawable.progress_small;
 724             showServerStatus();
 725
 726             Intent getServerInfoIntent = new Intent();
 727             getServerInfoIntent.setAction(OperationsService.ACTION_GET_SERVER_INFO);
 728             getServerInfoIntent.putExtra(OperationsService.EXTRA_SERVER_URL, uri);
 729             getServerInfoIntent.putExtra(OperationsService.EXTRA_AUTH_TOKEN_TYPE, mAuthTokenType);
 730             if (mOperationsServiceBinder != null) {
 731                 //Log_OC.wtf(TAG, "checking server..." );
 732                 mWaitingForOpId = mOperationsServiceBinder.newOperation(getServerInfoIntent);
 733             }
 734
 735         } else {
 736             mServerStatusText = 0;
 737             mServerStatusIcon = 0;
 738             showServerStatus();
 739         }
 740     }
 741
 742
 743     /**
 744      * Handles changes in focus on the text input for the password (basic authorization).
 745      *
 746      * When (hasFocus), the button to toggle password visibility is shown.
 747      *
 748      * When (!hasFocus), the button is made invisible and the password is hidden.
 749      *
 750      * @param passwordInput    TextView with the password input field receiving the change of focus.
 751      * @param hasFocus          'True' if focus is received, 'false' if is lost
 752      */
 753     private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {
 754         if (hasFocus) {
 755             showViewPasswordButton();
 756         } else {
 757             hidePassword();
 758             hidePasswordButton();
 759         }
 760     }
 761
 762
 763     private void showViewPasswordButton() {
 764         //int drawable = android.R.drawable.ic_menu_view;
 765         int drawable = R.drawable.ic_view;
 766         if (isPasswordVisible()) {
 767             //drawable = android.R.drawable.ic_secure;
 768             drawable = R.drawable.ic_hide;
 769         }
 770         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 771     }
 772
 773     private boolean isPasswordVisible() {
 774         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 775     }
 776
 777     private void hidePasswordButton() {
 778         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 779     }
 780
 781     private void showPassword() {
 782         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 783         showViewPasswordButton();
 784     }
 785
 786     private void hidePassword() {
 787         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
 788         showViewPasswordButton();
 789     }
 790
 791     /**
 792      * Checks the credentials of the user in the root of the ownCloud server
 793      * before creating a new local account.
 794      *
 795      * For basic authorization, a check of existence of the root folder is
 796      * performed.
 797      *
 798      * For OAuth, starts the flow to get an access token; the credentials test
 799      * is postponed until it is available.
 800      *
 801      * IMPORTANT ENTRY POINT 4
 802      *
 803      * @param view      OK button
 804      */
 805     public void onOkClick(View view) {
 806         // this check should be unnecessary
 807         if (mServerInfo.mVersion == null ||
 808                 !mServerInfo.mVersion.isVersionValid()  ||
 809                 mServerInfo.mBaseUrl == null ||
 810                 mServerInfo.mBaseUrl.length() == 0) {
 811             mServerStatusIcon = R.drawable.common_error;
 812             mServerStatusText = R.string.auth_wtf_reenter_URL;
 813             showServerStatus();
 814             mOkButton.setEnabled(false);
 815             Log_OC.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");
 816             return;
 817         }
 818
 819         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 820             startOauthorization();
 821         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 822             startSamlBasedFederatedSingleSignOnAuthorization();
 823         } else {
 824             checkBasicAuthorization();
 825         }
 826     }
 827
 828
 829     /**
 830      * Tests the credentials entered by the user performing a check of existence on
 831      * the root folder of the ownCloud server.
 832      */
 833     private void checkBasicAuthorization() {
 834         /// get the path to the root folder through WebDAV from the version server
 835         String webdav_path = AccountUtils.getWebdavPath(mServerInfo.mVersion, mAuthTokenType);
 836
 837         /// get basic credentials entered by user
 838         String username = mUsernameInput.getText().toString();
 839         String password = mPasswordInput.getText().toString();
 840
 841         /// be gentle with the user
 842         IndeterminateProgressDialog dialog =
 843                 IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
 844         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 845
 846         /// test credentials accessing the root folder
 847         String remotePath ="";
 848         boolean successIfAbsent = false;
 849         boolean followRedirects = true;
 850         startExistenceCheckRemoteOperation(remotePath, this, successIfAbsent, webdav_path, username, password, followRedirects);
 851
 852     }
 853
 854     private void startExistenceCheckRemoteOperation(String remotePath, Context context, boolean successIfAbsent, String webdav_path,
 855             String username, String password, boolean followRedirects) {
 856         Intent existenceCheckIntent = new Intent();
 857         existenceCheckIntent.setAction(OperationsService.ACTION_EXISTENCE_CHECK);
 858         existenceCheckIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mServerInfo.mBaseUrl);
 859         existenceCheckIntent.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
 860         existenceCheckIntent.putExtra(OperationsService.EXTRA_SUCCESS_IF_ABSENT, successIfAbsent);
 861         existenceCheckIntent.putExtra(OperationsService.EXTRA_WEBDAV_PATH, webdav_path);
 862         existenceCheckIntent.putExtra(OperationsService.EXTRA_USERNAME, username);
 863         existenceCheckIntent.putExtra(OperationsService.EXTRA_PASSWORD, password);
 864         existenceCheckIntent.putExtra(OperationsService.EXTRA_AUTH_TOKEN, mAuthToken);
 865         existenceCheckIntent.putExtra(OperationsService.EXTRA_FOLLOW_REDIRECTS, followRedirects);
 866
 867         if (mOperationsServiceBinder != null) {
 868             Log_OC.wtf(TAG, "starting existenceCheckRemoteOperation..." );
 869             mWaitingForOpId = mOperationsServiceBinder.newOperation(existenceCheckIntent);
 870         }
 871     }
 872
 873     /**
 874      * Starts the OAuth 'grant type' flow to get an access token, with
 875      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 876      */
 877     private void startOauthorization() {
 878         // be gentle with the user
 879         mAuthStatusIcon = R.drawable.progress_small;
 880         mAuthStatusText = R.string.oauth_login_connection;
 881         showAuthStatus();
 882
 883         // GET AUTHORIZATION request
 884         //Uri uri = Uri.parse(getString(R.string.oauth2_url_endpoint_auth));
 885         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 886         Uri.Builder uriBuilder = uri.buildUpon();
 887         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type));
 888         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri));
 889         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id));
 890         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope));
 891         //uriBuilder.appendQueryParameter(OAuth2Constants.KEY_STATE, whateverwewant);
 892         uri = uriBuilder.build();
 893         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 894         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 895         startActivity(i);
 896     }
 897
 898
 899     /**
 900      * Starts the Web Single Sign On flow to get access to the root folder
 901      * in the server.
 902      */
 903     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 904         // be gentle with the user
 905         mAuthStatusIcon = R.drawable.progress_small;
 906         mAuthStatusText = R.string.auth_connecting_auth_server;
 907         showAuthStatus();
 908         IndeterminateProgressDialog dialog =
 909                 IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
 910         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 911
 912         /// get the path to the root folder through WebDAV from the version server
 913         String webdav_path = AccountUtils.getWebdavPath(mServerInfo.mVersion, mAuthTokenType);
 914
 915         /// test credentials accessing the root folder
 916         String remotePath ="";
 917         boolean successIfAbsent = false;
 918         boolean followRedirections = false;
 919         startExistenceCheckRemoteOperation(remotePath, this, successIfAbsent, webdav_path, "", "", followRedirections);
 920
 921     }
 922
 923     /**
 924      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 925      *
 926      * Dispatches the operation flow to the right method.
 927      */
 928     @Override
 929     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 930
 931         if (operation instanceof GetServerInfoOperation) {
 932             if (operation.hashCode() == mWaitingForOpId) {
 933                 onGetServerInfoFinish(result);
 934             }   // else nothing ; only the last check operation is considered;
 935                 // multiple can be started if the user amends a URL quickly
 936
 937         } else if (operation instanceof OAuth2GetAccessToken) {
 938             onGetOAuthAccessTokenFinish(result);
 939
 940         } else if (operation instanceof ExistenceCheckRemoteOperation)  {
 941             Log_OC.wtf(TAG, "received detection response through callback" );
 942             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 943                 onSamlBasedFederatedSingleSignOnAuthorizationStart(result);
 944
 945             } else {
 946                 onAuthorizationCheckFinish(result);
 947             }
 948         } else if (operation instanceof GetRemoteUserNameOperation) {
 949             onGetUserNameFinish(result);
 950         }
 951
 952     }
 953
 954     private void onGetUserNameFinish(RemoteOperationResult result) {
 955         mWaitingForOpId = -1;
 956         if (result.isSuccess()) {
 957             boolean success = false;
 958             String username = (String) result.getData().get(0);
 959
 960             if ( mAction == ACTION_CREATE) {
 961                 mUsernameInput.setText(username);
 962                 success = createAccount();
 963             } else {
 964
 965                 if (!mUsernameInput.getText().toString().equals(username)) {
 966                     // fail - not a new account, but an existing one; disallow
 967                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
 968                     updateAuthStatusIconAndText(result);
 969                     showAuthStatus();
 970                     Log_OC.d(TAG, result.getLogMessage());
 971                 } else {
 972                     updateToken();
 973                     success = true;
 974                 }
 975             }
 976
 977             if (success)
 978                 finish();
 979         } else {
 980             updateStatusIconFailUserName();
 981             showAuthStatus();
 982             Log_OC.e(TAG, "Access to user name failed: " + result.getLogMessage());
 983         }
 984
 985     }
 986
 987     private void onSamlBasedFederatedSingleSignOnAuthorizationStart(RemoteOperationResult result) {
 988         mWaitingForOpId = -1;
 989         dismissDialog(WAIT_DIALOG_TAG);
 990
 991         //if (result.isTemporalRedirection() && result.isIdPRedirection()) {
 992         if (result.isIdPRedirection()) {
 993             String url = result.getRedirectedLocation();
 994             String targetUrl = mServerInfo.mBaseUrl
 995                     + AccountUtils.getWebdavPath(mServerInfo.mVersion, mAuthTokenType);
 996
 997             // Show dialog
 998             SamlWebViewDialog dialog = SamlWebViewDialog.newInstance(url, targetUrl);
 999             dialog.show(getSupportFragmentManager(), SAML_DIALOG_TAG);
1000
1001             mAuthStatusIcon = 0;
1002             mAuthStatusText = 0;
1003
1004         } else {
1005             mAuthStatusIcon = R.drawable.common_error;
1006             mAuthStatusText = R.string.auth_unsupported_auth_method;
1007
1008         }
1009         showAuthStatus();
1010     }
1011
1012
1013     /**
1014      * Processes the result of the server check performed when the user finishes the enter of the
1015      * server URL.
1016      *
1017      * @param operation     Server check performed.
1018      * @param result        Result of the check.
1019      */
1020     private void onGetServerInfoFinish(RemoteOperationResult result) {
1021         /// update activity state
1022         mServerIsChecked = true;
1023         mWaitingForOpId = -1;
1024
1025         // update server status, but don't show it yet
1026         updateServerStatusIconAndText(result);
1027
1028         if (result.isSuccess()) {
1029             /// SUCCESS means:
1030             //      1. connection succeeded, and we know if it's SSL or not
1031             //      2. server is installed
1032             //      3. we got the server version
1033             //      4. we got the authentication method required by the server
1034             mServerInfo = (GetServerInfoOperation.ServerInfo) (result.getData().get(0));
1035
1036             if (!authSupported(mServerInfo.mAuthMethod)) {
1037
1038                 updateServerStatusIconNoRegularAuth();  // overrides updateServerStatusIconAndText()
1039                 mServerIsValid = false;
1040
1041             } else {
1042                 mServerIsValid = true;
1043             }
1044
1045         } else {
1046             mServerIsValid = false;
1047         }
1048
1049         // refresh UI
1050         showRefreshButton(!mServerIsValid);
1051         showServerStatus();
1052         mOkButton.setEnabled(mServerIsValid);
1053
1054         /// very special case (TODO: move to a common place for all the remote operations)
1055         if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1056             showUntrustedCertDialog(result);
1057         }
1058     }
1059
1060
1061     private boolean authSupported(AuthenticationMethod authMethod) {
1062         String basic = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1063         String oAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1064         String saml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
1065
1066         return (( mAuthTokenType.equals(basic) &&
1067                     authMethod.equals(AuthenticationMethod.BASIC_HTTP_AUTH) ) ||
1068                 ( mAuthTokenType.equals(oAuth) &&
1069                     authMethod.equals(AuthenticationMethod.BEARER_TOKEN)) ||
1070                 ( mAuthTokenType.equals(saml)  &&
1071                     authMethod.equals(AuthenticationMethod.SAML_WEB_SSO))
1072         );
1073     }
1074
1075
1076     // TODO remove, if possible
1077     private String normalizeUrl(String url, boolean sslWhenUnprefixed) {
1078         if (url != null && url.length() > 0) {
1079             url = url.trim();
1080             if (!url.toLowerCase().startsWith("http://") &&
1081                     !url.toLowerCase().startsWith("https://")) {
1082                 if (sslWhenUnprefixed) {
1083                     url = "https://" + url;
1084                 } else {
1085                     url = "http://" + url;
1086                 }
1087             }
1088
1089             url = trimUrlWebdav(url);
1090
1091             if (url.endsWith("/")) {
1092                 url = url.substring(0, url.length() - 1);
1093             }
1094
1095         }
1096         return (url != null ? url : "");
1097     }
1098
1099
1100     // TODO remove, if possible
1101     private String trimUrlWebdav(String url){
1102         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){
1103             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length());
1104         } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){
1105             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length());
1106         } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){
1107             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length());
1108         }
1109         return (url != null ? url : "");
1110     }
1111
1112
1113     /**
1114      * Chooses the right icon and text to show to the user for the received operation result.
1115      *
1116      * @param result    Result of a remote operation performed in this activity
1117      */
1118     private void updateServerStatusIconAndText(RemoteOperationResult result) {
1119         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1120
1121         switch (result.getCode()) {
1122         case OK_SSL:
1123             mServerStatusIcon = android.R.drawable.ic_secure;
1124             mServerStatusText = R.string.auth_secure_connection;
1125             break;
1126
1127         case OK_NO_SSL:
1128         case OK:
1129             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1130                 mServerStatusText = R.string.auth_connection_established;
1131                 mServerStatusIcon = R.drawable.ic_ok;
1132             } else {
1133                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1134                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
1135             }
1136             break;
1137
1138         case NO_NETWORK_CONNECTION:
1139             mServerStatusIcon = R.drawable.no_network;
1140             mServerStatusText = R.string.auth_no_net_conn_title;
1141             break;
1142
1143         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1144             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1145             break;
1146         case BAD_OC_VERSION:
1147             mServerStatusText = R.string.auth_bad_oc_version_title;
1148             break;
1149         case WRONG_CONNECTION:
1150             mServerStatusText = R.string.auth_wrong_connection_title;
1151             break;
1152         case TIMEOUT:
1153             mServerStatusText = R.string.auth_timeout_title;
1154             break;
1155         case INCORRECT_ADDRESS:
1156             mServerStatusText = R.string.auth_incorrect_address_title;
1157             break;
1158         case SSL_ERROR:
1159             mServerStatusText = R.string.auth_ssl_general_error_title;
1160             break;
1161         case UNAUTHORIZED:
1162             mServerStatusText = R.string.auth_unauthorized;
1163             break;
1164         case HOST_NOT_AVAILABLE:
1165             mServerStatusText = R.string.auth_unknown_host_title;
1166             break;
1167         case INSTANCE_NOT_CONFIGURED:
1168             mServerStatusText = R.string.auth_not_configured_title;
1169             break;
1170         case FILE_NOT_FOUND:
1171             mServerStatusText = R.string.auth_incorrect_path_title;
1172             break;
1173         case OAUTH2_ERROR:
1174             mServerStatusText = R.string.auth_oauth_error;
1175             break;
1176         case OAUTH2_ERROR_ACCESS_DENIED:
1177             mServerStatusText = R.string.auth_oauth_error_access_denied;
1178             break;
1179         case UNHANDLED_HTTP_CODE:
1180         case UNKNOWN_ERROR:
1181             mServerStatusText = R.string.auth_unknown_error_title;
1182             break;
1183         default:
1184             mServerStatusText = 0;
1185             mServerStatusIcon = 0;
1186         }
1187     }
1188
1189
1190     /**
1191      * Chooses the right icon and text to show to the user for the received operation result.
1192      *
1193      * @param result    Result of a remote operation performed in this activity
1194      */
1195     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1196         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1197
1198         switch (result.getCode()) {
1199         case OK_SSL:
1200             mAuthStatusIcon = android.R.drawable.ic_secure;
1201             mAuthStatusText = R.string.auth_secure_connection;
1202             break;
1203
1204         case OK_NO_SSL:
1205         case OK:
1206             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1207                 mAuthStatusText = R.string.auth_connection_established;
1208                 mAuthStatusIcon = R.drawable.ic_ok;
1209             } else {
1210                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1211                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
1212             }
1213             break;
1214
1215         case NO_NETWORK_CONNECTION:
1216             mAuthStatusIcon = R.drawable.no_network;
1217             mAuthStatusText = R.string.auth_no_net_conn_title;
1218             break;
1219
1220         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1221             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1222             break;
1223         case BAD_OC_VERSION:
1224             mAuthStatusText = R.string.auth_bad_oc_version_title;
1225             break;
1226         case WRONG_CONNECTION:
1227             mAuthStatusText = R.string.auth_wrong_connection_title;
1228             break;
1229         case TIMEOUT:
1230             mAuthStatusText = R.string.auth_timeout_title;
1231             break;
1232         case INCORRECT_ADDRESS:
1233             mAuthStatusText = R.string.auth_incorrect_address_title;
1234             break;
1235         case SSL_ERROR:
1236             mAuthStatusText = R.string.auth_ssl_general_error_title;
1237             break;
1238         case UNAUTHORIZED:
1239             mAuthStatusText = R.string.auth_unauthorized;
1240             break;
1241         case HOST_NOT_AVAILABLE:
1242             mAuthStatusText = R.string.auth_unknown_host_title;
1243             break;
1244         case INSTANCE_NOT_CONFIGURED:
1245             mAuthStatusText = R.string.auth_not_configured_title;
1246             break;
1247         case FILE_NOT_FOUND:
1248             mAuthStatusText = R.string.auth_incorrect_path_title;
1249             break;
1250         case OAUTH2_ERROR:
1251             mAuthStatusText = R.string.auth_oauth_error;
1252             break;
1253         case OAUTH2_ERROR_ACCESS_DENIED:
1254             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1255             break;
1256         case ACCOUNT_NOT_NEW:
1257             mAuthStatusText = R.string.auth_account_not_new;
1258             break;
1259         case ACCOUNT_NOT_THE_SAME:
1260             mAuthStatusText = R.string.auth_account_not_the_same;
1261             break;
1262         case UNHANDLED_HTTP_CODE:
1263         case UNKNOWN_ERROR:
1264             mAuthStatusText = R.string.auth_unknown_error_title;
1265             break;
1266         default:
1267             mAuthStatusText = 0;
1268             mAuthStatusIcon = 0;
1269         }
1270     }
1271
1272
1273     private void updateStatusIconFailUserName(){
1274         mAuthStatusIcon = R.drawable.common_error;
1275         mAuthStatusText = R.string.auth_fail_get_user_name;
1276     }
1277
1278     private void updateServerStatusIconNoRegularAuth(){
1279         mServerStatusIcon = R.drawable.common_error;
1280         mServerStatusText = R.string.auth_can_not_auth_against_server;
1281     }
1282
1283     /**
1284      * Processes the result of the request for and access token send
1285      * to an OAuth authorization server.
1286      *
1287      * @param result        Result of the operation.
1288      */
1289     private void onGetOAuthAccessTokenFinish(RemoteOperationResult result) {
1290         mWaitingForOpId = -1;
1291         dismissDialog(WAIT_DIALOG_TAG);
1292
1293         String webdav_path = AccountUtils.getWebdavPath(mServerInfo.mVersion, mAuthTokenType);
1294         if (result.isSuccess() && webdav_path != null) {
1295             /// be gentle with the user
1296             IndeterminateProgressDialog dialog =
1297                     IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
1298             dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
1299
1300             /// time to test the retrieved access token on the ownCloud server
1301             @SuppressWarnings("unchecked")
1302             Map<String, String> tokens = (Map<String, String>)(result.getData().get(0));
1303             mAuthToken = tokens.get(OAuth2Constants.KEY_ACCESS_TOKEN);
1304             //mAuthToken = ((OAuth2GetAccessToken)operation).getResultTokenMap().get(OAuth2Constants.KEY_ACCESS_TOKEN);
1305             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1306
1307             String remotePath ="";
1308             boolean successIfAbsent = false;
1309             boolean followRedirects = true;
1310             startExistenceCheckRemoteOperation(remotePath, this, successIfAbsent, webdav_path, "", "", followRedirects);
1311
1312         } else {
1313             updateAuthStatusIconAndText(result);
1314             showAuthStatus();
1315             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1316         }
1317     }
1318
1319
1320     /**
1321      * Processes the result of the access check performed to try the user credentials.
1322      *
1323      * Creates a new account through the AccountManager.
1324      *
1325      * @param operation     Access check performed.
1326      * @param result        Result of the operation.
1327      */
1328     private void onAuthorizationCheckFinish(RemoteOperationResult result) {
1329         mWaitingForOpId = -1;
1330         dismissDialog(WAIT_DIALOG_TAG);
1331
1332         result = new RemoteOperationResult(new RuntimeException("FAKE"));
1333         if (result.isSuccess()) {
1334             Log_OC.d(TAG, "Successful access - time to save the account");
1335
1336             boolean success = false;
1337             if (mAction == ACTION_CREATE) {
1338                 success = createAccount();
1339
1340             } else {
1341                 updateToken();
1342                 success = true;
1343             }
1344
1345             if (success) {
1346                 finish();
1347             }
1348
1349         } else if (result.isServerFail() || result.isException()) {
1350             /// server errors or exceptions in authorization take to requiring a new check of
1351             /// the server
1352             mServerIsChecked = true;
1353             mServerIsValid = false;
1354             /*
1355             mServerInfo.mIsSslConn = false;
1356             mServerInfo.mVersion = null;
1357             mServerInfo.mBaseUrl =
1358                     normalizeUrl(mHostUrlInput.getText().toString(), mServerInfo.mIsSslConn);    // TODO remove?
1359                     */
1360             mServerInfo = new GetServerInfoOperation.ServerInfo();
1361
1362             // update status icon and text
1363             updateServerStatusIconAndText(result);
1364             showServerStatus();
1365             mAuthStatusIcon = 0;
1366             mAuthStatusText = 0;
1367             showAuthStatus();
1368
1369             // update input controls state
1370             showRefreshButton(true);
1371             mOkButton.setEnabled(false);
1372
1373             // very special case (TODO: move to a common place for all the remote operations) (dangerous here?)
1374             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1375                 showUntrustedCertDialog(result);
1376             }
1377
1378         } else {    // authorization fail due to client side - probably wrong credentials
1379             updateAuthStatusIconAndText(result);
1380             showAuthStatus();
1381             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1382         }
1383     }
1384
1385
1386
1387
1388     /**
1389      * Sets the proper response to get that the Account Authenticator that started this activity saves
1390      * a new authorization token for mAccount.
1391      */
1392     private void updateToken() {
1393         Bundle response = new Bundle();
1394         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1395         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1396
1397         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1398             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1399             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1400             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1401
1402         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1403
1404             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1405             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1406             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1407
1408         } else {
1409             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1410             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1411         }
1412         setAccountAuthenticatorResult(response);
1413
1414     }
1415
1416
1417     /**
1418      * Creates a new account through the Account Authenticator that started this activity.
1419      *
1420      * This makes the account permanent.
1421      *
1422      * TODO Decide how to name the OAuth accounts
1423      */
1424     private boolean createAccount() {
1425         /// create and save new ownCloud account
1426         boolean isOAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1427         boolean isSaml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1428
1429         Uri uri = Uri.parse(mServerInfo.mBaseUrl);
1430         String username = mUsernameInput.getText().toString().trim();
1431         if (isOAuth) {
1432             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1433         }
1434         String accountName = username + "@" + uri.getHost();
1435         if (uri.getPort() >= 0) {
1436             accountName += ":" + uri.getPort();
1437         }
1438         Account newAccount = new Account(accountName, MainApp.getAccountType());
1439         if (AccountUtils.exists(newAccount, getApplicationContext())) {
1440             // fail - not a new account, but an existing one; disallow
1441             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1442             updateAuthStatusIconAndText(result);
1443             showAuthStatus();
1444             Log_OC.d(TAG, result.getLogMessage());
1445             return false;
1446
1447         } else {
1448             mAccount = newAccount;
1449
1450             if (isOAuth || isSaml) {
1451                 mAccountMgr.addAccountExplicitly(mAccount, "", null);  // with external authorizations, the password is never input in the app
1452             } else {
1453                 mAccountMgr.addAccountExplicitly(mAccount, mPasswordInput.getText().toString(), null);
1454             }
1455
1456             /// add the new account as default in preferences, if there is none already
1457             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1458             if (defaultAccount == null) {
1459                 SharedPreferences.Editor editor = PreferenceManager
1460                         .getDefaultSharedPreferences(this).edit();
1461                 editor.putString("select_oc_account", accountName);
1462                 editor.commit();
1463             }
1464
1465             /// prepare result to return to the Authenticator
1466             //  TODO check again what the Authenticator makes with it; probably has the same effect as addAccountExplicitly, but it's not well done
1467             final Intent intent = new Intent();
1468             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1469             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1470             /*if (!isOAuth)
1471                 intent.putExtra(AccountManager.KEY_AUTHTOKEN,   MainApp.getAccountType()); */
1472             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1473             if (isOAuth || isSaml) {
1474                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1475             }
1476             /// add user data to the new account; TODO probably can be done in the last parameter addAccountExplicitly, or in KEY_USERDATA
1477             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_VERSION,    mServerInfo.mVersion.getVersion());
1478             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_BASE_URL,   mServerInfo.mBaseUrl);
1479
1480             if (isSaml) {
1481                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1482             } else if (isOAuth) {
1483                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1484             }
1485
1486             setAccountAuthenticatorResult(intent.getExtras());
1487             setResult(RESULT_OK, intent);
1488
1489             return true;
1490         }
1491     }
1492
1493
1494     /**
1495      * Starts and activity to open the 'new account' page in the ownCloud web site
1496      *
1497      * @param view      'Account register' button
1498      */
1499     public void onRegisterClick(View view) {
1500         Intent register = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url)));
1501         setResult(RESULT_CANCELED);
1502         startActivity(register);
1503     }
1504
1505
1506     /**
1507      * Updates the content and visibility state of the icon and text associated
1508      * to the last check on the ownCloud server.
1509      *
1510      * @param serverStatusText      Resource identifier of the text to show.
1511      * @param serverStatusIcon      Resource identifier of the icon to show.
1512      */
1513     private void showServerStatus() {
1514         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1515             mServerStatusView.setVisibility(View.INVISIBLE);
1516
1517         } else {
1518             mServerStatusView.setText(mServerStatusText);
1519             mServerStatusView.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1520             mServerStatusView.setVisibility(View.VISIBLE);
1521         }
1522
1523     }
1524
1525
1526     /**
1527      * Updates the content and visibility state of the icon and text associated
1528      * to the interactions with the OAuth authorization server.
1529      */
1530     private void showAuthStatus() {
1531         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1532             mAuthStatusView.setVisibility(View.INVISIBLE);
1533
1534         } else {
1535             mAuthStatusView.setText(mAuthStatusText);
1536             mAuthStatusView.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1537             mAuthStatusView.setVisibility(View.VISIBLE);
1538         }
1539     }
1540
1541
1542     private void showRefreshButton (boolean show) {
1543         if (show)  {
1544             mRefreshButton.setVisibility(View.VISIBLE);
1545         } else {
1546             mRefreshButton.setVisibility(View.GONE);
1547         }
1548     }
1549
1550     /**
1551      * Called when the refresh button in the input field for ownCloud host is clicked.
1552      *
1553      * Performs a new check on the URL in the input field.
1554      *
1555      * @param view      Refresh 'button'
1556      */
1557     public void onRefreshClick(View view) {
1558         checkOcServer();
1559     }
1560
1561
1562     /**
1563      * Called when the eye icon in the password field is clicked.
1564      *
1565      * Toggles the visibility of the password in the field.
1566      */
1567     public void onViewPasswordClick() {
1568         int selectionStart = mPasswordInput.getSelectionStart();
1569         int selectionEnd = mPasswordInput.getSelectionEnd();
1570         if (isPasswordVisible()) {
1571             hidePassword();
1572         } else {
1573             showPassword();
1574         }
1575         mPasswordInput.setSelection(selectionStart, selectionEnd);
1576     }
1577
1578
1579     /**
1580      * Called when the checkbox for OAuth authorization is clicked.
1581      *
1582      * Hides or shows the input fields for user & password.
1583      *
1584      * @param view      'View password' 'button'
1585      */
1586     public void onCheckClick(View view) {
1587         CheckBox oAuth2Check = (CheckBox)view;
1588         if (oAuth2Check.isChecked()) {
1589             mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1590         } else {
1591             mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1592         }
1593         updateAuthenticationPreFragmentVisibility();
1594     }
1595
1596
1597     /**
1598      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1599      *
1600      *  Used to trigger the authentication check when the user presses 'enter' after writing the password,
1601      *  or to throw the server test when the only field on screen is the URL input field.
1602      */
1603     @Override
1604     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1605         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null && inputField.equals(mPasswordInput)) {
1606             if (mOkButton.isEnabled()) {
1607                 mOkButton.performClick();
1608             }
1609
1610         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null && inputField.equals(mHostUrlInput)) {
1611             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1612                 checkOcServer();
1613             }
1614         }
1615         return false;   // always return false to grant that the software keyboard is hidden anyway
1616     }
1617
1618
1619     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1620
1621         private int fuzz = 75;
1622
1623         /**
1624          * {@inheritDoc}
1625          */
1626         @Override
1627         public boolean onTouch(View view, MotionEvent event) {
1628             Drawable rightDrawable = null;
1629             if (view instanceof TextView) {
1630                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1631                 if (drawables.length > 2) {
1632                     rightDrawable = drawables[2];
1633                 }
1634             }
1635             if (rightDrawable != null) {
1636                 final int x = (int) event.getX();
1637                 final int y = (int) event.getY();
1638                 final Rect bounds = rightDrawable.getBounds();
1639                 if (x >= (view.getRight() - bounds.width() - fuzz) && x <= (view.getRight() - view.getPaddingRight() + fuzz)
1640                         && y >= (view.getPaddingTop() - fuzz) && y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1641
1642                     return onDrawableTouch(event);
1643                 }
1644             }
1645             return false;
1646         }
1647
1648         public abstract boolean onDrawableTouch(final MotionEvent event);
1649     }
1650
1651
1652     private void getRemoteUserNameOperation(String sessionCookie, boolean followRedirects) {
1653
1654         Intent getUserNameIntent = new Intent();
1655         getUserNameIntent.setAction(OperationsService.ACTION_GET_USER_NAME);
1656         getUserNameIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mServerInfo.mBaseUrl);
1657         getUserNameIntent.putExtra(OperationsService.EXTRA_COOKIE, sessionCookie);
1658         getUserNameIntent.putExtra(OperationsService.EXTRA_FOLLOW_REDIRECTS, followRedirects);
1659
1660         if (mOperationsServiceBinder != null) {
1661             //Log_OC.wtf(TAG, "starting getRemoteUserNameOperation..." );
1662             mWaitingForOpId = mOperationsServiceBinder.newOperation(getUserNameIntent);
1663         }
1664     }
1665
1666
1667     @Override
1668     public void onSsoFinished(String sessionCookie) {
1669         if (sessionCookie != null && sessionCookie.length() > 0) {
1670             Log_OC.d(TAG, "Successful SSO - time to save the account");
1671             mAuthToken = sessionCookie;
1672             getRemoteUserNameOperation(sessionCookie, true);
1673             Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1674             if (fd != null && fd instanceof SherlockDialogFragment) {
1675                 Dialog d = ((SherlockDialogFragment)fd).getDialog();
1676                 if (d != null && d.isShowing()) {
1677                     d.dismiss();
1678                 }
1679             }
1680
1681         } else {
1682             // TODO - show fail
1683             Log_OC.d(TAG, "SSO failed");
1684         }
1685
1686     }
1687
1688     @Override
1689     public boolean onTouchEvent(MotionEvent event) {
1690         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
1691                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1692             checkOcServer();
1693         }
1694         return super.onTouchEvent(event);
1695     }
1696
1697
1698     /**
1699      * Show untrusted cert dialog
1700      */
1701     public void showUntrustedCertDialog(X509Certificate x509Certificate, SslError error, SslErrorHandler handler) {
1702         // Show a dialog with the certificate info
1703         SslUntrustedCertDialog dialog = null;
1704         if (x509Certificate == null) {
1705             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
1706         } else {
1707             dialog = SslUntrustedCertDialog.newInstanceForFullSslError(x509Certificate, error, handler);
1708         }
1709         FragmentManager fm = getSupportFragmentManager();
1710         FragmentTransaction ft = fm.beginTransaction();
1711         ft.addToBackStack(null);
1712         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1713     }
1714
1715     /**
1716      * Show untrusted cert dialog
1717      */
1718     private void showUntrustedCertDialog(RemoteOperationResult result) {
1719         // Show a dialog with the certificate info
1720         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1721         FragmentManager fm = getSupportFragmentManager();
1722         FragmentTransaction ft = fm.beginTransaction();
1723         ft.addToBackStack(null);
1724         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1725
1726     }
1727
1728     /**
1729      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1730      */
1731     public void onSavedCertificate() {
1732         Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1733         if (fd == null) {
1734             // if SAML dialog is not shown, the SslDialog was shown due to an SSL error in the server check
1735             checkOcServer();
1736         }
1737     }
1738
1739     /**
1740      * Called from SslValidatorDialog when a new server certificate could not be saved
1741      * when the user requested it.
1742      */
1743     @Override
1744     public void onFailedSavingCertificate() {
1745         dismissDialog(SAML_DIALOG_TAG);
1746         Toast.makeText(this, R.string.ssl_validator_not_saved, Toast.LENGTH_LONG).show();
1747     }
1748
1749     @Override
1750     public void onCancelCertificate() {
1751         dismissDialog(SAML_DIALOG_TAG);
1752     }
1753
1754
1755     private void doOnResumeAndBound() {
1756         Log.wtf(TAG, "registering to listen for operation callbacks" );
1757         mOperationsServiceBinder.addOperationListener(AuthenticatorActivity.this, mHandler);
1758         if (mWaitingForOpId != -1) {
1759             mOperationsServiceBinder.dispatchResultIfFinished(mWaitingForOpId, this);
1760         }
1761     }
1762
1763
1764     private void dismissDialog(String dialogTag){
1765         Fragment frag = getSupportFragmentManager().findFragmentByTag(dialogTag);
1766         if (frag != null && frag instanceof SherlockDialogFragment) {
1767             SherlockDialogFragment dialog = (SherlockDialogFragment) frag;
1768             dialog.dismiss();
1769         }
1770     }
1771
1772
1773     /**
1774      * Implements callback methods for service binding.
1775      */
1776     private class OperationsServiceConnection implements ServiceConnection {
1777
1778         @Override
1779         public void onServiceConnected(ComponentName component, IBinder service) {
1780             if (component.equals(new ComponentName(AuthenticatorActivity.this, OperationsService.class))) {
1781                 Log_OC.wtf(TAG, "Operations service connected");
1782                 mOperationsServiceBinder = (OperationsServiceBinder) service;
1783
1784                 doOnResumeAndBound();
1785
1786             } else {
1787                 return;
1788             }
1789
1790         }
1791
1792         @Override
1793         public void onServiceDisconnected(ComponentName component) {
1794             if (component.equals(new ComponentName(AuthenticatorActivity.this, OperationsService.class))) {
1795                 Log_OC.e(TAG, "Operations service crashed");
1796                 mOperationsServiceBinder = null;
1797             }
1798         }
1799
1800     }
1801
1802 }