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