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.resources.files.ExistenceCheckRemoteOperation;
  75 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  76 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  77 import com.owncloud.android.operations.DetectAuthenticationMethodOperation.AuthenticationMethod;
  78 import com.owncloud.android.operations.GetServerInfoOperation;
  79 import com.owncloud.android.operations.OAuth2GetAccessToken;
  80 import com.owncloud.android.services.OperationsService;
  81 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  82 import com.owncloud.android.ui.dialog.CredentialsDialogFragment;
  83 import com.owncloud.android.ui.dialog.IndeterminateProgressDialog;
  84 import com.owncloud.android.ui.dialog.SamlWebViewDialog;
  85 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  86 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  87 import com.owncloud.android.utils.DisplayUtils;
  88 import com.owncloud.android.utils.Log_OC;
  89
  90 /**
  91  * This Activity is used to add an ownCloud account to the App
  92  *
  93  * @author Bartek Przybylski
  94  * @author David A. Velasco
  95  * @author masensio
  96  */
  97 public class AuthenticatorActivity extends AccountAuthenticatorActivity
  98 implements  OnRemoteOperationListener, OnFocusChangeListener, OnEditorActionListener,
  99 SsoWebViewClientListener, OnSslUntrustedCertListener {
 100
 101     private static final String TAG = AuthenticatorActivity.class.getSimpleName();
 102
 103     public static final String EXTRA_ACTION = "ACTION";
 104     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 105
 106     private static final String KEY_AUTH_TOKEN_TYPE = "AUTH_TOKEN_TYPE";
 107
 108     private static final String KEY_HOST_URL_TEXT = "HOST_URL_TEXT";
 109     private static final String KEY_OC_VERSION = "OC_VERSION";
 110     private static final String KEY_SERVER_VALID = "SERVER_VALID";
 111     private static final String KEY_SERVER_CHECKED = "SERVER_CHECKED";
 112     private static final String KEY_SERVER_STATUS_TEXT = "SERVER_STATUS_TEXT";
 113     private static final String KEY_SERVER_STATUS_ICON = "SERVER_STATUS_ICON";
 114     private static final String KEY_IS_SSL_CONN = "IS_SSL_CONN";
 115     private static final String KEY_PASSWORD_EXPOSED = "PASSWORD_VISIBLE";
 116     private static final String KEY_AUTH_STATUS_TEXT = "AUTH_STATUS_TEXT";
 117     private static final String KEY_AUTH_STATUS_ICON = "AUTH_STATUS_ICON";
 118     private static final String KEY_SERVER_AUTH_METHOD = "SERVER_AUTH_METHOD";
 119     private static final String KEY_WAITING_FOR_OP_ID = "WAITING_FOR_OP_ID";
 120     private static final String KEY_AUTH_TOKEN = "AUTH_TOKEN";
 121
 122     private static final String AUTH_ON = "on";
 123     private static final String AUTH_OPTIONAL = "optional";
 124
 125     public static final byte ACTION_CREATE = 0;
 126     public static final byte ACTION_UPDATE_TOKEN = 1;               // requested by the user
 127     public static final byte ACTION_UPDATE_EXPIRED_TOKEN = 2;       // detected by the app
 128
 129     private static final String UNTRUSTED_CERT_DIALOG_TAG = "UNTRUSTED_CERT_DIALOG";
 130     private static final String SAML_DIALOG_TAG = "SAML_DIALOG";
 131     private static final String WAIT_DIALOG_TAG = "WAIT_DIALOG";
 132     private static final String CREDENTIALS_DIALOG_TAG = "CREDENTIALS_DIALOG";
 133     private static final String KEY_AUTH_IS_FIRST_ATTEMPT_TAG = "KEY_AUTH_IS_FIRST_ATTEMPT";
 134
 135
 136     /// parameters from EXTRAs in starter Intent
 137     private byte mAction;
 138     private Account mAccount;
 139     private String mAuthTokenType;
 140
 141
 142     /// activity-level references / state
 143     private final Handler mHandler = new Handler();
 144     private ServiceConnection mOperationsServiceConnection = null;
 145     private OperationsServiceBinder mOperationsServiceBinder = null;
 146     private AccountManager mAccountMgr;
 147     private Uri mNewCapturedUriFromOAuth2Redirection;
 148
 149
 150     /// Server PRE-Fragment elements
 151     private EditText mHostUrlInput;
 152     private View mRefreshButton;
 153     private TextView mServerStatusView;
 154
 155     private TextWatcher mHostUrlInputWatcher;
 156     private int mServerStatusText = 0, mServerStatusIcon = 0;
 157
 158     private boolean mServerIsChecked = false;
 159     private boolean mServerIsValid = false;
 160     private boolean mPendingAutoCheck = false;
 161
 162     private GetServerInfoOperation.ServerInfo mServerInfo =
 163             new GetServerInfoOperation.ServerInfo();
 164
 165
 166     /// Authentication PRE-Fragment elements
 167     private CheckBox mOAuth2Check;
 168     private TextView mOAuthAuthEndpointText;
 169     private TextView mOAuthTokenEndpointText;
 170     private EditText mUsernameInput;
 171     private EditText mPasswordInput;
 172     private View mOkButton;
 173     private TextView mAuthStatusView;
 174
 175     private int mAuthStatusText = 0, mAuthStatusIcon = 0;
 176
 177     private String mAuthToken = "";
 178
 179     private boolean mIsFirstAuthAttempt;
 180
 181
 182     /// Identifier of operation in progress which result shouldn't be lost
 183     private long mWaitingForOpId = Long.MAX_VALUE;
 184
 185
 186     /**
 187      * {@inheritDoc}
 188      *
 189      * IMPORTANT ENTRY POINT 1: activity is shown to the user
 190      */
 191     @Override
 192     protected void onCreate(Bundle savedInstanceState) {
 193         //Log_OC.wtf(TAG,  "onCreate init");
 194         super.onCreate(savedInstanceState);
 195         getWindow().requestFeature(Window.FEATURE_NO_TITLE);
 196
 197         mIsFirstAuthAttempt = true;
 198
 199         // bind to Operations Service
 200         mOperationsServiceConnection = new OperationsServiceConnection();
 201         if (!bindService(new Intent(this, OperationsService.class),
 202                 mOperationsServiceConnection,
 203                 Context.BIND_AUTO_CREATE)) {
 204             Toast.makeText(this,
 205                     R.string.error_cant_bind_to_operations_service,
 206                     Toast.LENGTH_LONG)
 207                         .show();
 208             finish();
 209         }
 210
 211         /// init activity state
 212         mAccountMgr = AccountManager.get(this);
 213         mNewCapturedUriFromOAuth2Redirection = null;
 214
 215         /// get input values
 216         mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE);
 217         mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 218         if (savedInstanceState == null) {
 219             initAuthTokenType();
 220         } else {
 221             mAuthTokenType = savedInstanceState.getString(KEY_AUTH_TOKEN_TYPE);
 222             mWaitingForOpId = savedInstanceState.getLong(KEY_WAITING_FOR_OP_ID);
 223             mIsFirstAuthAttempt = savedInstanceState.getBoolean(KEY_AUTH_IS_FIRST_ATTEMPT_TAG);
 224         }
 225
 226         /// load user interface
 227         setContentView(R.layout.account_setup);
 228
 229         /// initialize general UI elements
 230         initOverallUi(savedInstanceState);
 231
 232         mOkButton = findViewById(R.id.buttonOK);
 233
 234         /// initialize block to be moved to single Fragment to check server and get info about it
 235         initServerPreFragment(savedInstanceState);
 236
 237         /// initialize block to be moved to single Fragment to retrieve and validate credentials
 238         initAuthorizationPreFragment(savedInstanceState);
 239
 240         //Log_OC.wtf(TAG,  "onCreate end");
 241     }
 242
 243     private void initAuthTokenType() {
 244         mAuthTokenType =
 245                 getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 246         if (mAuthTokenType == null) {
 247             if (mAccount != null) {
 248                 boolean oAuthRequired =
 249                     (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2) != null);
 250                 boolean samlWebSsoRequired =
 251                     (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO) != null);
 252                 mAuthTokenType = chooseAuthTokenType(oAuthRequired, samlWebSsoRequired);
 253
 254             } else {
 255                 boolean oAuthSupported = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
 256                 boolean samlWebSsoSupported = AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));
 257                 mAuthTokenType = chooseAuthTokenType(oAuthSupported, samlWebSsoSupported);
 258             }
 259         }
 260     }
 261
 262     private String chooseAuthTokenType(boolean oauth, boolean saml) {
 263         if (saml) {
 264             return AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 265         } else if (oauth) {
 266              return AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
 267         } else {
 268             return AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 269         }
 270     }
 271
 272
 273     /**
 274      * Configures elements in the user interface under direct control of the Activity.
 275      *
 276      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 277      */
 278     private void initOverallUi(Bundle savedInstanceState) {
 279
 280         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 281         boolean isWelcomeLinkVisible = getResources().getBoolean(R.bool.show_welcome_link);
 282
 283         String instructionsMessageText = null;
 284         if (mAction == ACTION_UPDATE_EXPIRED_TOKEN) {
 285             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType())
 286                     .equals(mAuthTokenType)) {
 287                 instructionsMessageText = getString(R.string.auth_expired_oauth_token_toast);
 288
 289             } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType())
 290                     .equals(mAuthTokenType)) {
 291                 instructionsMessageText = getString(R.string.auth_expired_saml_sso_token_toast);
 292
 293             } else {
 294                 instructionsMessageText = getString(R.string.auth_expired_basic_auth_toast);
 295             }
 296         }
 297
 298         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 299         Button welcomeLink = (Button) findViewById(R.id.welcome_link);
 300         welcomeLink.setVisibility(isWelcomeLinkVisible ? View.VISIBLE : View.GONE);
 301         welcomeLink.setText(
 302                 String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 303
 304         TextView instructionsView = (TextView) findViewById(R.id.instructions_message);
 305         if (instructionsMessageText != null) {
 306             instructionsView.setVisibility(View.VISIBLE);
 307             instructionsView.setText(instructionsMessageText);
 308         } else {
 309             instructionsView.setVisibility(View.GONE);
 310         }
 311     }
 312
 313
 314     /**
 315      *
 316      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 317      */
 318     private void initServerPreFragment(Bundle savedInstanceState) {
 319
 320         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 321         boolean isUrlInputAllowed = getResources().getBoolean(R.bool.show_server_url_input);
 322         if (savedInstanceState == null) {
 323             if (mAccount != null) {
 324                 mServerInfo.mBaseUrl = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_BASE_URL);
 325                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");   // TODO do this in a setter for mBaseUrl
 326                 String ocVersion = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION);
 327                 if (ocVersion != null) {
 328                     mServerInfo.mVersion = new OwnCloudVersion(ocVersion);
 329                 }
 330             } else {
 331                 mServerInfo.mBaseUrl = getString(R.string.server_url).trim();
 332                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");
 333             }
 334         } else {
 335             mServerStatusText = savedInstanceState.getInt(KEY_SERVER_STATUS_TEXT);
 336             mServerStatusIcon = savedInstanceState.getInt(KEY_SERVER_STATUS_ICON);
 337
 338             mServerIsValid = savedInstanceState.getBoolean(KEY_SERVER_VALID);
 339             mServerIsChecked = savedInstanceState.getBoolean(KEY_SERVER_CHECKED);
 340
 341             // TODO parcelable
 342             mServerInfo.mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 343             mServerInfo.mBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 344             String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 345             if (ocVersion != null) {
 346                 mServerInfo.mVersion = new OwnCloudVersion(ocVersion);
 347             }
 348             mServerInfo.mAuthMethod = AuthenticationMethod.valueOf(
 349                     savedInstanceState.getString(KEY_SERVER_AUTH_METHOD));
 350
 351         }
 352
 353         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 354         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 355         // Convert IDN to Unicode
 356         mHostUrlInput.setText(DisplayUtils.convertIdn(mServerInfo.mBaseUrl, false));
 357         if (mAction != ACTION_CREATE) {
 358             /// lock things that should not change
 359             mHostUrlInput.setEnabled(false);
 360             mHostUrlInput.setFocusable(false);
 361         }
 362         if (isUrlInputAllowed) {
 363             mRefreshButton = findViewById(R.id.embeddedRefreshButton);
 364         } else {
 365             findViewById(R.id.hostUrlFrame).setVisibility(View.GONE);
 366             mRefreshButton = findViewById(R.id.centeredRefreshButton);
 367         }
 368         showRefreshButton(mServerIsChecked && !mServerIsValid &&
 369                 mWaitingForOpId > Integer.MAX_VALUE);
 370         mServerStatusView = (TextView) findViewById(R.id.server_status_text);
 371         showServerStatus();
 372
 373         /// step 3 - bind some listeners and options
 374         mHostUrlInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 375         mHostUrlInput.setOnEditorActionListener(this);
 376
 377         /// step 4 - create listeners that will be bound at onResume
 378         mHostUrlInputWatcher = new TextWatcher() {
 379
 380             @Override
 381             public void afterTextChanged(Editable s) {
 382                 if (mOkButton.isEnabled() &&
 383                         !mServerInfo.mBaseUrl.equals(
 384                                 normalizeUrl(s.toString(), mServerInfo.mIsSslConn))) {
 385                     mOkButton.setEnabled(false);
 386                 }
 387             }
 388
 389             @Override
 390             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 391             }
 392
 393             @Override
 394             public void onTextChanged(CharSequence s, int start, int before, int count) {
 395                 if (mAuthStatusIcon != 0) {
 396                     Log_OC.d(TAG, "onTextChanged: hiding authentication status");
 397                     mAuthStatusIcon = 0;
 398                     mAuthStatusText = 0;
 399                     showAuthStatus();
 400                 }
 401             }
 402         };
 403
 404
 405         // TODO find out if this is really necessary, or if it can done in a different way
 406         findViewById(R.id.scroll).setOnTouchListener(new OnTouchListener() {
 407             @Override
 408             public boolean onTouch(View view, MotionEvent event) {
 409                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 410                     if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
 411                             mHostUrlInput.hasFocus()) {
 412                         checkOcServer();
 413                     }
 414                 }
 415                 return false;
 416             }
 417         });
 418
 419
 420         /// step 4 - mark automatic check to be started when OperationsService is ready
 421         mPendingAutoCheck = (savedInstanceState == null &&
 422                 (mAction != ACTION_CREATE || !isUrlInputAllowed));
 423     }
 424
 425
 426     /**
 427      *
 428      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 429      */
 430     private void initAuthorizationPreFragment(Bundle savedInstanceState) {
 431
 432         /// step 0 - get UI elements in layout
 433         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 434         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 435         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 436         mUsernameInput = (EditText) findViewById(R.id.account_username);
 437         mPasswordInput = (EditText) findViewById(R.id.account_password);
 438         mAuthStatusView = (TextView) findViewById(R.id.auth_status_text);
 439
 440         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 441         String presetUserName = null;
 442         boolean isPasswordExposed = false;
 443         if (savedInstanceState == null) {
 444             if (mAccount != null) {
 445                 presetUserName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 446             }
 447
 448         } else {
 449             isPasswordExposed = savedInstanceState.getBoolean(KEY_PASSWORD_EXPOSED, false);
 450             mAuthStatusText = savedInstanceState.getInt(KEY_AUTH_STATUS_TEXT);
 451             mAuthStatusIcon = savedInstanceState.getInt(KEY_AUTH_STATUS_ICON);
 452             mAuthToken = savedInstanceState.getString(KEY_AUTH_TOKEN);
 453         }
 454
 455         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 456         mOAuth2Check.setChecked(
 457                 AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType())
 458                     .equals(mAuthTokenType));
 459         if (presetUserName != null) {
 460             mUsernameInput.setText(presetUserName);
 461         }
 462         if (mAction != ACTION_CREATE) {
 463             mUsernameInput.setEnabled(false);
 464             mUsernameInput.setFocusable(false);
 465         }
 466         mPasswordInput.setText(""); // clean password to avoid social hacking
 467         if (isPasswordExposed) {
 468             showPassword();
 469         }
 470         updateAuthenticationPreFragmentVisibility();
 471         showAuthStatus();
 472         mOkButton.setEnabled(mServerIsValid);
 473
 474
 475         /// step 3 - bind listeners
 476         // bindings for password input field
 477         mPasswordInput.setOnFocusChangeListener(this);
 478         mPasswordInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
 479         mPasswordInput.setOnEditorActionListener(this);
 480         mPasswordInput.setOnTouchListener(new RightDrawableOnTouchListener() {
 481             @Override
 482             public boolean onDrawableTouch(final MotionEvent event) {
 483                 if (event.getAction() == MotionEvent.ACTION_UP) {
 484                     AuthenticatorActivity.this.onViewPasswordClick();
 485                 }
 486                 return true;
 487             }
 488         });
 489
 490     }
 491
 492
 493     /**
 494      * Changes the visibility of input elements depending on
 495      * the current authorization method.
 496      */
 497     private void updateAuthenticationPreFragmentVisibility () {
 498         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 499                 equals(mAuthTokenType)) {
 500             // SAML-based web Single Sign On
 501             mOAuth2Check.setVisibility(View.GONE);
 502             mOAuthAuthEndpointText.setVisibility(View.GONE);
 503             mOAuthTokenEndpointText.setVisibility(View.GONE);
 504             mUsernameInput.setVisibility(View.GONE);
 505             mPasswordInput.setVisibility(View.GONE);
 506
 507         } else {
 508             if (mAction == ACTION_CREATE &&
 509                     AUTH_OPTIONAL.equals(getString(R.string.auth_method_oauth2))) {
 510                 mOAuth2Check.setVisibility(View.VISIBLE);
 511             } else {
 512                 mOAuth2Check.setVisibility(View.GONE);
 513             }
 514
 515             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
 516                     equals(mAuthTokenType)) {
 517                 // OAuth 2 authorization
 518
 519                 mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
 520                 mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
 521                 mUsernameInput.setVisibility(View.GONE);
 522                 mPasswordInput.setVisibility(View.GONE);
 523
 524             } else {
 525                 // basic HTTP authorization
 526                 mOAuthAuthEndpointText.setVisibility(View.GONE);
 527                 mOAuthTokenEndpointText.setVisibility(View.GONE);
 528                 mUsernameInput.setVisibility(View.VISIBLE);
 529                 mPasswordInput.setVisibility(View.VISIBLE);
 530             }
 531         }
 532     }
 533
 534
 535
 536     /**
 537      * Saves relevant state before {@link #onPause()}
 538      *
 539      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag, intended to defer the
 540      * processing of the redirection caught in {@link #onNewIntent(Intent)} until {@link #onResume()}
 541      *
 542      * See {@link #loadSavedInstanceState(Bundle)}
 543      */
 544     @Override
 545     protected void onSaveInstanceState(Bundle outState) {
 546         //Log_OC.wtf(TAG, "onSaveInstanceState init" );
 547         super.onSaveInstanceState(outState);
 548
 549         /// global state
 550         outState.putString(KEY_AUTH_TOKEN_TYPE, mAuthTokenType);
 551         outState.putLong(KEY_WAITING_FOR_OP_ID, mWaitingForOpId);
 552
 553         /// Server PRE-fragment state
 554         outState.putInt(KEY_SERVER_STATUS_TEXT, mServerStatusText);
 555         outState.putInt(KEY_SERVER_STATUS_ICON, mServerStatusIcon);
 556         outState.putBoolean(KEY_SERVER_CHECKED, mServerIsChecked);
 557         outState.putBoolean(KEY_SERVER_VALID, mServerIsValid);
 558         outState.putBoolean(KEY_IS_SSL_CONN, mServerInfo.mIsSslConn);
 559         outState.putString(KEY_HOST_URL_TEXT, mServerInfo.mBaseUrl);
 560         if (mServerInfo.mVersion != null) {
 561             outState.putString(KEY_OC_VERSION, mServerInfo.mVersion.getVersion());
 562         }
 563         outState.putString(KEY_SERVER_AUTH_METHOD, mServerInfo.mAuthMethod.name());
 564
 565         /// Authentication PRE-fragment state
 566         outState.putBoolean(KEY_PASSWORD_EXPOSED, isPasswordVisible());
 567         outState.putInt(KEY_AUTH_STATUS_ICON, mAuthStatusIcon);
 568         outState.putInt(KEY_AUTH_STATUS_TEXT, mAuthStatusText);
 569         outState.putString(KEY_AUTH_TOKEN, mAuthToken);
 570
 571         /// authentication
 572         outState.putBoolean(KEY_AUTH_IS_FIRST_ATTEMPT_TAG, mIsFirstAuthAttempt);
 573
 574         //Log_OC.wtf(TAG, "onSaveInstanceState end" );
 575     }
 576
 577
 578     /**
 579      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION request
 580      * is caught here.
 581      *
 582      * To make this possible, this activity needs to be qualified with android:launchMode = "singleTask" in the
 583      * AndroidManifest.xml file.
 584      */
 585     @Override
 586     protected void onNewIntent (Intent intent) {
 587         Log_OC.d(TAG, "onNewIntent()");
 588         Uri data = intent.getData();
 589         if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) {
 590             mNewCapturedUriFromOAuth2Redirection = data;
 591         }
 592     }
 593
 594
 595     /**
 596      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION, and
 597      * deferred in {@link #onNewIntent(Intent)}, is processed here.
 598      */
 599     @Override
 600     protected void onResume() {
 601         //Log_OC.wtf(TAG, "onResume init" );
 602         super.onResume();
 603
 604         // bound here to avoid spurious changes triggered by Android on device rotations
 605         mHostUrlInput.setOnFocusChangeListener(this);
 606         mHostUrlInput.addTextChangedListener(mHostUrlInputWatcher);
 607
 608         if (mNewCapturedUriFromOAuth2Redirection != null) {
 609             getOAuth2AccessTokenFromCapturedRedirection();
 610         }
 611
 612         if (mOperationsServiceBinder != null) {
 613             doOnResumeAndBound();
 614         }
 615
 616         //Log_OC.wtf(TAG, "onResume end" );
 617     }
 618
 619
 620     @Override
 621     protected void onPause() {
 622         //Log_OC.wtf(TAG, "onPause init" );
 623         if (mOperationsServiceBinder != null) {
 624             //Log_OC.wtf(TAG, "unregistering to listen for operation callbacks" );
 625             mOperationsServiceBinder.removeOperationListener(this);
 626         }
 627
 628         mHostUrlInput.removeTextChangedListener(mHostUrlInputWatcher);
 629         mHostUrlInput.setOnFocusChangeListener(null);
 630
 631         super.onPause();
 632         //Log_OC.wtf(TAG, "onPause end" );
 633     }
 634
 635     @Override
 636     protected void onDestroy() {
 637
 638         mHostUrlInputWatcher = null;
 639
 640         if (mOperationsServiceConnection != null) {
 641             unbindService(mOperationsServiceConnection);
 642             mOperationsServiceBinder = null;
 643         }
 644         super.onDestroy();
 645     }
 646
 647
 648     /**
 649      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 650      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 651      */
 652     private void getOAuth2AccessTokenFromCapturedRedirection() {
 653         /// Parse data from OAuth redirection
 654         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 655         mNewCapturedUriFromOAuth2Redirection = null;
 656
 657         /// Showing the dialog with instructions for the user.
 658         IndeterminateProgressDialog dialog =
 659                 IndeterminateProgressDialog.newInstance(R.string.auth_getting_authorization, true);
 660         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 661
 662         /// GET ACCESS TOKEN to the oAuth server
 663         Intent getServerInfoIntent = new Intent();
 664         getServerInfoIntent.setAction(OperationsService.ACTION_OAUTH2_GET_ACCESS_TOKEN);
 665
 666         getServerInfoIntent.putExtra(
 667                 OperationsService.EXTRA_SERVER_URL,
 668                 mOAuthTokenEndpointText.getText().toString().trim());
 669
 670         getServerInfoIntent.putExtra(
 671                 OperationsService.EXTRA_OAUTH2_QUERY_PARAMETERS,
 672                 queryParameters);
 673
 674         if (mOperationsServiceBinder != null) {
 675             //Log_OC.wtf(TAG, "getting access token..." );
 676             mWaitingForOpId = mOperationsServiceBinder.newOperation(getServerInfoIntent);
 677         }
 678     }
 679
 680
 681
 682     /**
 683      * Handles the change of focus on the text inputs for the server URL and the password
 684      */
 685     public void onFocusChange(View view, boolean hasFocus) {
 686         if (view.getId() == R.id.hostUrlInput) {
 687             if (!hasFocus) {
 688                 onUrlInputFocusLost((TextView) view);
 689             }
 690             else {
 691                 showRefreshButton(false);
 692             }
 693
 694         } else if (view.getId() == R.id.account_password) {
 695             onPasswordFocusChanged((TextView) view, hasFocus);
 696         }
 697     }
 698
 699
 700     /**
 701      * Handles changes in focus on the text input for the server URL.
 702      *
 703      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 704      * other field. The operation to check the existence of the server in the entered URL is
 705      * started.
 706      *
 707      * When hasFocus:    user 'comes back' to write again the server URL.
 708      *
 709      * @param hostInput     TextView with the URL input field receiving the change of focus.
 710      */
 711     private void onUrlInputFocusLost(TextView hostInput) {
 712         if (!mServerInfo.mBaseUrl.equals(
 713                 normalizeUrl(mHostUrlInput.getText().toString(), mServerInfo.mIsSslConn))) {
 714             // check server again only if the user changed something in the field
 715             checkOcServer();
 716         } else {
 717             mOkButton.setEnabled(mServerIsValid);
 718             showRefreshButton(!mServerIsValid);
 719         }
 720     }
 721
 722
 723     private void checkOcServer() {
 724         String uri = mHostUrlInput.getText().toString().trim();
 725         mServerIsValid = false;
 726         mServerIsChecked = false;
 727         mOkButton.setEnabled(false);
 728         mServerInfo = new GetServerInfoOperation.ServerInfo();
 729         showRefreshButton(false);
 730
 731         if (uri.length() != 0) {
 732             // Handle internationalized domain names
 733             uri = DisplayUtils.convertIdn(uri, true);
 734             mServerStatusText = R.string.auth_testing_connection;
 735             mServerStatusIcon = R.drawable.progress_small;
 736             showServerStatus();
 737
 738             Intent getServerInfoIntent = new Intent();
 739             getServerInfoIntent.setAction(OperationsService.ACTION_GET_SERVER_INFO);
 740             getServerInfoIntent.putExtra(OperationsService.EXTRA_SERVER_URL, uri);
 741             if (mOperationsServiceBinder != null) {
 742                 mWaitingForOpId = mOperationsServiceBinder.newOperation(getServerInfoIntent);
 743             } else {
 744               Log_OC.wtf(TAG, "Server check tried with OperationService unbound!" );
 745             }
 746
 747         } else {
 748             mServerStatusText = 0;
 749             mServerStatusIcon = 0;
 750             showServerStatus();
 751         }
 752     }
 753
 754
 755     /**
 756      * Handles changes in focus on the text input for the password (basic authorization).
 757      *
 758      * When (hasFocus), the button to toggle password visibility is shown.
 759      *
 760      * When (!hasFocus), the button is made invisible and the password is hidden.
 761      *
 762      * @param passwordInput    TextView with the password input field receiving the change of focus.
 763      * @param hasFocus          'True' if focus is received, 'false' if is lost
 764      */
 765     private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {
 766         if (hasFocus) {
 767             showViewPasswordButton();
 768         } else {
 769             hidePassword();
 770             hidePasswordButton();
 771         }
 772     }
 773
 774
 775     private void showViewPasswordButton() {
 776         int drawable = R.drawable.ic_view;
 777         if (isPasswordVisible()) {
 778             drawable = R.drawable.ic_hide;
 779         }
 780         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 781     }
 782
 783     private boolean isPasswordVisible() {
 784         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 785     }
 786
 787     private void hidePasswordButton() {
 788         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 789     }
 790
 791     private void showPassword() {
 792         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 793         showViewPasswordButton();
 794     }
 795
 796     private void hidePassword() {
 797         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
 798         showViewPasswordButton();
 799     }
 800
 801     /**
 802      * Checks the credentials of the user in the root of the ownCloud server
 803      * before creating a new local account.
 804      *
 805      * For basic authorization, a check of existence of the root folder is
 806      * performed.
 807      *
 808      * For OAuth, starts the flow to get an access token; the credentials test
 809      * is postponed until it is available.
 810      *
 811      * IMPORTANT ENTRY POINT 4
 812      *
 813      * @param view      OK button
 814      */
 815     public void onOkClick(View view) {
 816         // this check should be unnecessary
 817         if (mServerInfo.mVersion == null ||
 818                 !mServerInfo.mVersion.isVersionValid()  ||
 819                 mServerInfo.mBaseUrl == null ||
 820                 mServerInfo.mBaseUrl.length() == 0) {
 821             mServerStatusIcon = R.drawable.common_error;
 822             mServerStatusText = R.string.auth_wtf_reenter_URL;
 823             showServerStatus();
 824             mOkButton.setEnabled(false);
 825             //Log_OC.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");
 826             return;
 827         }
 828
 829         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 830             startOauthorization();
 831         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 832             startSamlBasedFederatedSingleSignOnAuthorization();
 833         } else {
 834             checkBasicAuthorization();
 835         }
 836     }
 837
 838
 839     /**
 840      * Tests the credentials entered by the user performing a check of existence on
 841      * the root folder of the ownCloud server.
 842      */
 843     private void checkBasicAuthorization() {
 844         /// get basic credentials entered by user
 845         String username = mUsernameInput.getText().toString();
 846         String password = mPasswordInput.getText().toString();
 847
 848         /// be gentle with the user
 849         IndeterminateProgressDialog dialog =
 850                 IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
 851         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 852
 853         /// validate credentials accessing the root folder
 854         accessRootFolderRemoteOperation(username, password);
 855
 856     }
 857
 858     private void accessRootFolderRemoteOperation(String username, String password) {
 859         Intent existenceCheckIntent = new Intent();
 860         existenceCheckIntent.setAction(OperationsService.ACTION_EXISTENCE_CHECK);
 861         existenceCheckIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mServerInfo.mBaseUrl);
 862         existenceCheckIntent.putExtra(OperationsService.EXTRA_REMOTE_PATH, "/");
 863         existenceCheckIntent.putExtra(OperationsService.EXTRA_USERNAME, username);
 864         existenceCheckIntent.putExtra(OperationsService.EXTRA_PASSWORD, password);
 865         existenceCheckIntent.putExtra(OperationsService.EXTRA_AUTH_TOKEN, mAuthToken);
 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(mOAuthAuthEndpointText.getText().toString().trim());
 885         Uri.Builder uriBuilder = uri.buildUpon();
 886         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type));
 887         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri));
 888         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id));
 889         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope));
 890         uri = uriBuilder.build();
 891         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 892         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 893         startActivity(i);
 894     }
 895
 896
 897     /**
 898      * Starts the Web Single Sign On flow to get access to the root folder
 899      * in the server.
 900      */
 901     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 902         // be gentle with the user
 903         mAuthStatusIcon = R.drawable.progress_small;
 904         mAuthStatusText = R.string.auth_connecting_auth_server;
 905         showAuthStatus();
 906         IndeterminateProgressDialog dialog =
 907                 IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
 908         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 909
 910         /// validate credentials accessing the root folder
 911         accessRootFolderRemoteOperation("", "");
 912
 913     }
 914
 915     /**
 916      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 917      *
 918      * Dispatches the operation flow to the right method.
 919      */
 920     @Override
 921     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 922
 923         if (operation instanceof GetServerInfoOperation) {
 924             if (operation.hashCode() == mWaitingForOpId) {
 925                 onGetServerInfoFinish(result);
 926             }   // else nothing ; only the last check operation is considered;
 927                 // multiple can be started if the user amends a URL quickly
 928
 929         } else if (operation instanceof OAuth2GetAccessToken) {
 930             onGetOAuthAccessTokenFinish(result);
 931
 932         } else if (operation instanceof ExistenceCheckRemoteOperation)  {
 933             //Log_OC.wtf(TAG, "received detection response through callback" );
 934             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 935                 onSamlBasedFederatedSingleSignOnAuthorizationStart(result);
 936
 937             } else {
 938                 onAuthorizationCheckFinish(result);
 939             }
 940         } else if (operation instanceof GetRemoteUserNameOperation) {
 941             onGetUserNameFinish(result);
 942         }
 943
 944     }
 945
 946     private void onGetUserNameFinish(RemoteOperationResult result) {
 947         mWaitingForOpId = Long.MAX_VALUE;
 948         if (result.isSuccess()) {
 949             boolean success = false;
 950             String username = (String) result.getData().get(0);
 951
 952             if ( mAction == ACTION_CREATE) {
 953                 mUsernameInput.setText(username);
 954                 success = createAccount();
 955             } else {
 956
 957                 if (!mUsernameInput.getText().toString().equals(username)) {
 958                     // fail - not a new account, but an existing one; disallow
 959                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
 960                     /*
 961                     OwnCloudClientManagerFactory.getDefaultSingleton().removeClientFor(
 962                             new OwnCloudAccount(
 963                                     Uri.parse(mServerInfo.mBaseUrl),
 964                                     OwnCloudCredentialsFactory.newSamlSsoCredentials(mAuthToken))
 965                             );
 966                             */
 967                     mAuthToken = "";
 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 = Long.MAX_VALUE;
 989         dismissDialog(WAIT_DIALOG_TAG);
 990
 991         if (result.isIdPRedirection()) {
 992             String url = result.getRedirectedLocation();
 993             String targetUrl = mServerInfo.mBaseUrl
 994                     + AccountUtils.getWebdavPath(mServerInfo.mVersion, mAuthTokenType);
 995
 996             // Show dialog
 997             SamlWebViewDialog dialog = SamlWebViewDialog.newInstance(url, targetUrl);
 998             dialog.show(getSupportFragmentManager(), SAML_DIALOG_TAG);
 999
1000             mAuthStatusIcon = 0;
1001             mAuthStatusText = 0;
1002
1003         } else {
1004             mAuthStatusIcon = R.drawable.common_error;
1005             mAuthStatusText = R.string.auth_unsupported_auth_method;
1006
1007         }
1008         showAuthStatus();
1009     }
1010
1011
1012     /**
1013      * Processes the result of the server check performed when the user finishes the enter of the
1014      * server URL.
1015      *
1016      * @param operation     Server check performed.
1017      * @param result        Result of the check.
1018      */
1019     private void onGetServerInfoFinish(RemoteOperationResult result) {
1020         /// update activity state
1021         mServerIsChecked = true;
1022         mWaitingForOpId = Long.MAX_VALUE;
1023
1024         // update server status, but don't show it yet
1025         updateServerStatusIconAndText(result);
1026
1027         if (result.isSuccess()) {
1028             /// SUCCESS means:
1029             //      1. connection succeeded, and we know if it's SSL or not
1030             //      2. server is installed
1031             //      3. we got the server version
1032             //      4. we got the authentication method required by the server
1033             mServerInfo = (GetServerInfoOperation.ServerInfo) (result.getData().get(0));
1034
1035             if (!authSupported(mServerInfo.mAuthMethod)) {
1036
1037                 updateServerStatusIconNoRegularAuth();  // overrides updateServerStatusIconAndText()
1038                 mServerIsValid = false;
1039
1040             } else {
1041                 mServerIsValid = true;
1042             }
1043
1044         } else {
1045             mServerIsValid = false;
1046         }
1047
1048         // refresh UI
1049         showRefreshButton(!mServerIsValid);
1050         showServerStatus();
1051         mOkButton.setEnabled(mServerIsValid);
1052
1053         /// very special case (TODO: move to a common place for all the remote operations)
1054         if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1055             showUntrustedCertDialog(result);
1056         }
1057     }
1058
1059
1060     private boolean authSupported(AuthenticationMethod authMethod) {
1061         String basic = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1062         String oAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1063         String saml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
1064
1065         return (( mAuthTokenType.equals(basic) &&
1066                     authMethod.equals(AuthenticationMethod.BASIC_HTTP_AUTH) ) ||
1067                 ( mAuthTokenType.equals(oAuth) &&
1068                     authMethod.equals(AuthenticationMethod.BEARER_TOKEN)) ||
1069                 ( mAuthTokenType.equals(saml)  &&
1070                     authMethod.equals(AuthenticationMethod.SAML_WEB_SSO))
1071         );
1072     }
1073
1074
1075     // TODO remove, if possible
1076     private String normalizeUrl(String url, boolean sslWhenUnprefixed) {
1077         if (url != null && url.length() > 0) {
1078             url = url.trim();
1079             if (!url.toLowerCase().startsWith("http://") &&
1080                     !url.toLowerCase().startsWith("https://")) {
1081                 if (sslWhenUnprefixed) {
1082                     url = "https://" + url;
1083                 } else {
1084                     url = "http://" + url;
1085                 }
1086             }
1087
1088             url = trimUrlWebdav(url);
1089
1090             if (url.endsWith("/")) {
1091                 url = url.substring(0, url.length() - 1);
1092             }
1093
1094         }
1095         return (url != null ? url : "");
1096     }
1097
1098
1099     // TODO remove, if possible
1100     private String trimUrlWebdav(String url){
1101         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){
1102             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length());
1103         } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){
1104             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length());
1105         } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){
1106             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length());
1107         }
1108         return (url != null ? url : "");
1109     }
1110
1111
1112     /**
1113      * Chooses the right icon and text to show to the user for the received operation result.
1114      *
1115      * @param result    Result of a remote operation performed in this activity
1116      */
1117     private void updateServerStatusIconAndText(RemoteOperationResult result) {
1118         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1119
1120         switch (result.getCode()) {
1121         case OK_SSL:
1122             mServerStatusIcon = android.R.drawable.ic_secure;
1123             mServerStatusText = R.string.auth_secure_connection;
1124             break;
1125
1126         case OK_NO_SSL:
1127         case OK:
1128             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1129                 mServerStatusText = R.string.auth_connection_established;
1130                 mServerStatusIcon = R.drawable.ic_ok;
1131             } else {
1132                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1133                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
1134             }
1135             break;
1136
1137         case NO_NETWORK_CONNECTION:
1138             mServerStatusIcon = R.drawable.no_network;
1139             mServerStatusText = R.string.auth_no_net_conn_title;
1140             break;
1141
1142         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1143             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1144             break;
1145         case BAD_OC_VERSION:
1146             mServerStatusText = R.string.auth_bad_oc_version_title;
1147             break;
1148         case WRONG_CONNECTION:
1149             mServerStatusText = R.string.auth_wrong_connection_title;
1150             break;
1151         case TIMEOUT:
1152             mServerStatusText = R.string.auth_timeout_title;
1153             break;
1154         case INCORRECT_ADDRESS:
1155             mServerStatusText = R.string.auth_incorrect_address_title;
1156             break;
1157         case SSL_ERROR:
1158             mServerStatusText = R.string.auth_ssl_general_error_title;
1159             break;
1160         case UNAUTHORIZED:
1161             mServerStatusText = R.string.auth_unauthorized;
1162             break;
1163         case HOST_NOT_AVAILABLE:
1164             mServerStatusText = R.string.auth_unknown_host_title;
1165             break;
1166         case INSTANCE_NOT_CONFIGURED:
1167             mServerStatusText = R.string.auth_not_configured_title;
1168             break;
1169         case FILE_NOT_FOUND:
1170             mServerStatusText = R.string.auth_incorrect_path_title;
1171             break;
1172         case OAUTH2_ERROR:
1173             mServerStatusText = R.string.auth_oauth_error;
1174             break;
1175         case OAUTH2_ERROR_ACCESS_DENIED:
1176             mServerStatusText = R.string.auth_oauth_error_access_denied;
1177             break;
1178         case UNHANDLED_HTTP_CODE:
1179         case UNKNOWN_ERROR:
1180             mServerStatusText = R.string.auth_unknown_error_title;
1181             break;
1182         case OK_REDIRECT_TO_NON_SECURE_CONNECTION:
1183             mServerStatusIcon = android.R.drawable.ic_partial_secure;
1184             mServerStatusText = R.string.auth_redirect_non_secure_connection_title;
1185             break;
1186         default:
1187             mServerStatusText = 0;
1188             mServerStatusIcon = 0;
1189         }
1190     }
1191
1192
1193     /**
1194      * Chooses the right icon and text to show to the user for the received operation result.
1195      *
1196      * @param result    Result of a remote operation performed in this activity
1197      */
1198     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1199         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1200
1201         switch (result.getCode()) {
1202         case OK_SSL:
1203             mAuthStatusIcon = android.R.drawable.ic_secure;
1204             mAuthStatusText = R.string.auth_secure_connection;
1205             break;
1206
1207         case OK_NO_SSL:
1208         case OK:
1209             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1210                 mAuthStatusText = R.string.auth_connection_established;
1211                 mAuthStatusIcon = R.drawable.ic_ok;
1212             } else {
1213                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1214                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
1215             }
1216             break;
1217
1218         case NO_NETWORK_CONNECTION:
1219             mAuthStatusIcon = R.drawable.no_network;
1220             mAuthStatusText = R.string.auth_no_net_conn_title;
1221             break;
1222
1223         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1224             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1225             break;
1226         case BAD_OC_VERSION:
1227             mAuthStatusText = R.string.auth_bad_oc_version_title;
1228             break;
1229         case WRONG_CONNECTION:
1230             mAuthStatusText = R.string.auth_wrong_connection_title;
1231             break;
1232         case TIMEOUT:
1233             mAuthStatusText = R.string.auth_timeout_title;
1234             break;
1235         case INCORRECT_ADDRESS:
1236             mAuthStatusText = R.string.auth_incorrect_address_title;
1237             break;
1238         case SSL_ERROR:
1239             mAuthStatusText = R.string.auth_ssl_general_error_title;
1240             break;
1241         case UNAUTHORIZED:
1242             mAuthStatusText = R.string.auth_unauthorized;
1243             break;
1244         case HOST_NOT_AVAILABLE:
1245             mAuthStatusText = R.string.auth_unknown_host_title;
1246             break;
1247         case INSTANCE_NOT_CONFIGURED:
1248             mAuthStatusText = R.string.auth_not_configured_title;
1249             break;
1250         case FILE_NOT_FOUND:
1251             mAuthStatusText = R.string.auth_incorrect_path_title;
1252             break;
1253         case OAUTH2_ERROR:
1254             mAuthStatusText = R.string.auth_oauth_error;
1255             break;
1256         case OAUTH2_ERROR_ACCESS_DENIED:
1257             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1258             break;
1259         case ACCOUNT_NOT_NEW:
1260             mAuthStatusText = R.string.auth_account_not_new;
1261             break;
1262         case ACCOUNT_NOT_THE_SAME:
1263             mAuthStatusText = R.string.auth_account_not_the_same;
1264             break;
1265         case UNHANDLED_HTTP_CODE:
1266         case UNKNOWN_ERROR:
1267             mAuthStatusText = R.string.auth_unknown_error_title;
1268             break;
1269         default:
1270             mAuthStatusText = 0;
1271             mAuthStatusIcon = 0;
1272         }
1273     }
1274
1275
1276     private void updateStatusIconFailUserName(){
1277         mAuthStatusIcon = R.drawable.common_error;
1278         mAuthStatusText = R.string.auth_fail_get_user_name;
1279     }
1280
1281     private void updateServerStatusIconNoRegularAuth(){
1282         mServerStatusIcon = R.drawable.common_error;
1283         mServerStatusText = R.string.auth_can_not_auth_against_server;
1284     }
1285
1286     /**
1287      * Processes the result of the request for and access token send
1288      * to an OAuth authorization server.
1289      *
1290      * @param result        Result of the operation.
1291      */
1292     private void onGetOAuthAccessTokenFinish(RemoteOperationResult result) {
1293         mWaitingForOpId = Long.MAX_VALUE;
1294         dismissDialog(WAIT_DIALOG_TAG);
1295
1296         if (result.isSuccess()) {
1297             /// be gentle with the user
1298             IndeterminateProgressDialog dialog =
1299                     IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
1300             dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
1301
1302             /// time to test the retrieved access token on the ownCloud server
1303             @SuppressWarnings("unchecked")
1304             Map<String, String> tokens = (Map<String, String>)(result.getData().get(0));
1305             mAuthToken = tokens.get(OAuth2Constants.KEY_ACCESS_TOKEN);
1306             //mAuthToken = ((OAuth2GetAccessToken)operation).getResultTokenMap().get(OAuth2Constants.KEY_ACCESS_TOKEN);
1307             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1308
1309             accessRootFolderRemoteOperation("", "");
1310
1311         } else {
1312             updateAuthStatusIconAndText(result);
1313             showAuthStatus();
1314             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1315         }
1316     }
1317
1318
1319     /**
1320      * Processes the result of the access check performed to try the user credentials.
1321      *
1322      * Creates a new account through the AccountManager.
1323      *
1324      * @param operation     Access check performed.
1325      * @param result        Result of the operation.
1326      */
1327     private void onAuthorizationCheckFinish(RemoteOperationResult result) {
1328         mWaitingForOpId = Long.MAX_VALUE;
1329         dismissDialog(WAIT_DIALOG_TAG);
1330
1331         if (result.isSuccess()) {
1332             Log_OC.d(TAG, "Successful access - time to save the account");
1333
1334             boolean success = false;
1335             if (mAction == ACTION_CREATE) {
1336                 success = createAccount();
1337
1338             } else {
1339                 updateToken();
1340                 success = true;
1341             }
1342
1343             if (success) {
1344                 finish();
1345             }
1346
1347         } else if (result.isServerFail() || result.isException()) {
1348             /// server errors or exceptions in authorization take to requiring a new check of
1349             /// the server
1350             mServerIsChecked = true;
1351             mServerIsValid = false;
1352             mServerInfo = new GetServerInfoOperation.ServerInfo();
1353
1354             // update status icon and text
1355             updateServerStatusIconAndText(result);
1356             showServerStatus();
1357             mAuthStatusIcon = 0;
1358             mAuthStatusText = 0;
1359             showAuthStatus();
1360
1361             // update input controls state
1362             showRefreshButton(true);
1363             mOkButton.setEnabled(false);
1364
1365             // very special case (TODO: move to a common place for all the remote operations) (dangerous here?)
1366             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1367                 showUntrustedCertDialog(result);
1368             }
1369
1370         } else {    // authorization fail due to client side - probably wrong credentials
1371             updateAuthStatusIconAndText(result);
1372             showAuthStatus();
1373             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1374         }
1375     }
1376
1377
1378
1379
1380     /**
1381      * Sets the proper response to get that the Account Authenticator that started this activity saves
1382      * a new authorization token for mAccount.
1383      */
1384     private void updateToken() {
1385         Bundle response = new Bundle();
1386         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1387         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1388
1389         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1390             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1391             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1392             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1393
1394         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1395
1396             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1397             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1398             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1399
1400         } else {
1401             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1402             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1403         }
1404         setAccountAuthenticatorResult(response);
1405
1406     }
1407
1408
1409     /**
1410      * Creates a new account through the Account Authenticator that started this activity.
1411      *
1412      * This makes the account permanent.
1413      *
1414      * TODO Decide how to name the OAuth accounts
1415      */
1416     private boolean createAccount() {
1417         /// create and save new ownCloud account
1418         boolean isOAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1419         boolean isSaml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1420
1421         Uri uri = Uri.parse(mServerInfo.mBaseUrl);
1422         String username = mUsernameInput.getText().toString().trim();
1423         if (isOAuth) {
1424             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1425         }
1426         String accountName = com.owncloud.android.lib.common.accounts.AccountUtils.
1427                 buildAccountName(uri, username);
1428         Account newAccount = new Account(accountName, MainApp.getAccountType());
1429         if (AccountUtils.exists(newAccount, getApplicationContext())) {
1430             // fail - not a new account, but an existing one; disallow
1431             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1432             updateAuthStatusIconAndText(result);
1433             showAuthStatus();
1434             Log_OC.d(TAG, result.getLogMessage());
1435             return false;
1436
1437         } else {
1438             mAccount = newAccount;
1439
1440             if (isOAuth || isSaml) {
1441                 mAccountMgr.addAccountExplicitly(mAccount, "", null);  // with external authorizations, the password is never input in the app
1442             } else {
1443                 mAccountMgr.addAccountExplicitly(mAccount, mPasswordInput.getText().toString(), null);
1444             }
1445
1446             /// add the new account as default in preferences, if there is none already
1447             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1448             if (defaultAccount == null) {
1449                 SharedPreferences.Editor editor = PreferenceManager
1450                         .getDefaultSharedPreferences(this).edit();
1451                 editor.putString("select_oc_account", accountName);
1452                 editor.commit();
1453             }
1454
1455             /// prepare result to return to the Authenticator
1456             //  TODO check again what the Authenticator makes with it; probably has the same effect as addAccountExplicitly, but it's not well done
1457             final Intent intent = new Intent();
1458             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1459             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1460             /*if (!isOAuth)
1461                 intent.putExtra(AccountManager.KEY_AUTHTOKEN,   MainApp.getAccountType()); */
1462             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1463             if (isOAuth || isSaml) {
1464                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1465             }
1466             /// add user data to the new account; TODO probably can be done in the last parameter addAccountExplicitly, or in KEY_USERDATA
1467             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_VERSION,    mServerInfo.mVersion.getVersion());
1468             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_BASE_URL,   mServerInfo.mBaseUrl);
1469
1470             if (isSaml) {
1471                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1472             } else if (isOAuth) {
1473                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1474             }
1475
1476             setAccountAuthenticatorResult(intent.getExtras());
1477             setResult(RESULT_OK, intent);
1478
1479             return true;
1480         }
1481     }
1482
1483
1484     /**
1485      * Starts and activity to open the 'new account' page in the ownCloud web site
1486      *
1487      * @param view      'Account register' button
1488      */
1489     public void onRegisterClick(View view) {
1490         Intent register = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url)));
1491         setResult(RESULT_CANCELED);
1492         startActivity(register);
1493     }
1494
1495
1496     /**
1497      * Updates the content and visibility state of the icon and text associated
1498      * to the last check on the ownCloud server.
1499      *
1500      * @param serverStatusText      Resource identifier of the text to show.
1501      * @param serverStatusIcon      Resource identifier of the icon to show.
1502      */
1503     private void showServerStatus() {
1504         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1505             mServerStatusView.setVisibility(View.INVISIBLE);
1506
1507         } else {
1508             mServerStatusView.setText(mServerStatusText);
1509             mServerStatusView.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1510             mServerStatusView.setVisibility(View.VISIBLE);
1511         }
1512
1513     }
1514
1515
1516     /**
1517      * Updates the content and visibility state of the icon and text associated
1518      * to the interactions with the OAuth authorization server.
1519      */
1520     private void showAuthStatus() {
1521         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1522             mAuthStatusView.setVisibility(View.INVISIBLE);
1523
1524         } else {
1525             mAuthStatusView.setText(mAuthStatusText);
1526             mAuthStatusView.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1527             mAuthStatusView.setVisibility(View.VISIBLE);
1528         }
1529     }
1530
1531
1532     private void showRefreshButton (boolean show) {
1533         if (show)  {
1534             mRefreshButton.setVisibility(View.VISIBLE);
1535         } else {
1536             mRefreshButton.setVisibility(View.GONE);
1537         }
1538     }
1539
1540     /**
1541      * Called when the refresh button in the input field for ownCloud host is clicked.
1542      *
1543      * Performs a new check on the URL in the input field.
1544      *
1545      * @param view      Refresh 'button'
1546      */
1547     public void onRefreshClick(View view) {
1548         checkOcServer();
1549     }
1550
1551
1552     /**
1553      * Called when the eye icon in the password field is clicked.
1554      *
1555      * Toggles the visibility of the password in the field.
1556      */
1557     public void onViewPasswordClick() {
1558         int selectionStart = mPasswordInput.getSelectionStart();
1559         int selectionEnd = mPasswordInput.getSelectionEnd();
1560         if (isPasswordVisible()) {
1561             hidePassword();
1562         } else {
1563             showPassword();
1564         }
1565         mPasswordInput.setSelection(selectionStart, selectionEnd);
1566     }
1567
1568
1569     /**
1570      * Called when the checkbox for OAuth authorization is clicked.
1571      *
1572      * Hides or shows the input fields for user & password.
1573      *
1574      * @param view      'View password' 'button'
1575      */
1576     public void onCheckClick(View view) {
1577         CheckBox oAuth2Check = (CheckBox)view;
1578         if (oAuth2Check.isChecked()) {
1579             mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1580         } else {
1581             mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1582         }
1583         updateAuthenticationPreFragmentVisibility();
1584     }
1585
1586
1587     /**
1588      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1589      *
1590      *  Used to trigger the authentication check when the user presses 'enter' after writing the password,
1591      *  or to throw the server test when the only field on screen is the URL input field.
1592      */
1593     @Override
1594     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1595         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null && inputField.equals(mPasswordInput)) {
1596             if (mOkButton.isEnabled()) {
1597                 mOkButton.performClick();
1598             }
1599
1600         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null && inputField.equals(mHostUrlInput)) {
1601             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1602                 checkOcServer();
1603             }
1604         }
1605         return false;   // always return false to grant that the software keyboard is hidden anyway
1606     }
1607
1608
1609     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1610
1611         private int fuzz = 75;
1612
1613         /**
1614          * {@inheritDoc}
1615          */
1616         @Override
1617         public boolean onTouch(View view, MotionEvent event) {
1618             Drawable rightDrawable = null;
1619             if (view instanceof TextView) {
1620                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1621                 if (drawables.length > 2) {
1622                     rightDrawable = drawables[2];
1623                 }
1624             }
1625             if (rightDrawable != null) {
1626                 final int x = (int) event.getX();
1627                 final int y = (int) event.getY();
1628                 final Rect bounds = rightDrawable.getBounds();
1629                 if (x >= (view.getRight() - bounds.width() - fuzz) && x <= (view.getRight() - view.getPaddingRight() + fuzz)
1630                         && y >= (view.getPaddingTop() - fuzz) && y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1631
1632                     return onDrawableTouch(event);
1633                 }
1634             }
1635             return false;
1636         }
1637
1638         public abstract boolean onDrawableTouch(final MotionEvent event);
1639     }
1640
1641
1642     private void getRemoteUserNameOperation(String sessionCookie, boolean followRedirects) {
1643
1644         Intent getUserNameIntent = new Intent();
1645         getUserNameIntent.setAction(OperationsService.ACTION_GET_USER_NAME);
1646         getUserNameIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mServerInfo.mBaseUrl);
1647         getUserNameIntent.putExtra(OperationsService.EXTRA_COOKIE, sessionCookie);
1648
1649         if (mOperationsServiceBinder != null) {
1650             //Log_OC.wtf(TAG, "starting getRemoteUserNameOperation..." );
1651             mWaitingForOpId = mOperationsServiceBinder.newOperation(getUserNameIntent);
1652         }
1653     }
1654
1655
1656     @Override
1657     public void onSsoFinished(String sessionCookie) {
1658         if (sessionCookie != null && sessionCookie.length() > 0) {
1659             Log_OC.d(TAG, "Successful SSO - time to save the account");
1660             mAuthToken = sessionCookie;
1661             getRemoteUserNameOperation(sessionCookie, true);
1662             Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1663             if (fd != null && fd instanceof SherlockDialogFragment) {
1664                 Dialog d = ((SherlockDialogFragment)fd).getDialog();
1665                 if (d != null && d.isShowing()) {
1666                     d.dismiss();
1667                 }
1668             }
1669
1670         } else {
1671             // TODO - show fail
1672             Log_OC.d(TAG, "SSO failed");
1673         }
1674
1675     }
1676
1677     @Override
1678     public boolean onTouchEvent(MotionEvent event) {
1679         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
1680                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1681             checkOcServer();
1682         }
1683         return super.onTouchEvent(event);
1684     }
1685
1686
1687     /**
1688      * Show untrusted cert dialog
1689      */
1690     public void showUntrustedCertDialog(X509Certificate x509Certificate, SslError error, SslErrorHandler handler) {
1691         // Show a dialog with the certificate info
1692         SslUntrustedCertDialog dialog = null;
1693         if (x509Certificate == null) {
1694             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
1695         } else {
1696             dialog = SslUntrustedCertDialog.newInstanceForFullSslError(x509Certificate, error, handler);
1697         }
1698         FragmentManager fm = getSupportFragmentManager();
1699         FragmentTransaction ft = fm.beginTransaction();
1700         ft.addToBackStack(null);
1701         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1702     }
1703
1704
1705     /**
1706      * Show untrusted cert dialog
1707      */
1708     private void showUntrustedCertDialog(RemoteOperationResult result) {
1709         // Show a dialog with the certificate info
1710         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1711         FragmentManager fm = getSupportFragmentManager();
1712         FragmentTransaction ft = fm.beginTransaction();
1713         ft.addToBackStack(null);
1714         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1715
1716     }
1717
1718     /**
1719      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1720      */
1721     public void onSavedCertificate() {
1722         Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1723         if (fd == null) {
1724             // if SAML dialog is not shown, the SslDialog was shown due to an SSL error in the server check
1725             checkOcServer();
1726         }
1727     }
1728
1729     /**
1730      * Called from SslValidatorDialog when a new server certificate could not be saved
1731      * when the user requested it.
1732      */
1733     @Override
1734     public void onFailedSavingCertificate() {
1735         dismissDialog(SAML_DIALOG_TAG);
1736         Toast.makeText(this, R.string.ssl_validator_not_saved, Toast.LENGTH_LONG).show();
1737     }
1738
1739     @Override
1740     public void onCancelCertificate() {
1741         dismissDialog(SAML_DIALOG_TAG);
1742     }
1743
1744
1745     private void doOnResumeAndBound() {
1746         //Log_OC.wtf(TAG, "registering to listen for operation callbacks" );
1747         mOperationsServiceBinder.addOperationListener(AuthenticatorActivity.this, mHandler);
1748         if (mWaitingForOpId <= Integer.MAX_VALUE) {
1749             mOperationsServiceBinder.dispatchResultIfFinished((int)mWaitingForOpId, this);
1750         }
1751
1752         if (mPendingAutoCheck) {
1753             checkOcServer();
1754         }
1755     }
1756
1757
1758     private void dismissDialog(String dialogTag){
1759         Fragment frag = getSupportFragmentManager().findFragmentByTag(dialogTag);
1760         if (frag != null && frag instanceof SherlockDialogFragment) {
1761             SherlockDialogFragment dialog = (SherlockDialogFragment) frag;
1762             dialog.dismiss();
1763         }
1764     }
1765
1766
1767     /**
1768      * Implements callback methods for service binding.
1769      */
1770     private class OperationsServiceConnection implements ServiceConnection {
1771
1772         @Override
1773         public void onServiceConnected(ComponentName component, IBinder service) {
1774             if (component.equals(new ComponentName(AuthenticatorActivity.this, OperationsService.class))) {
1775                 //Log_OC.wtf(TAG, "Operations service connected");
1776                 mOperationsServiceBinder = (OperationsServiceBinder) service;
1777
1778                 doOnResumeAndBound();
1779
1780             } else {
1781                 return;
1782             }
1783
1784         }
1785
1786         @Override
1787         public void onServiceDisconnected(ComponentName component) {
1788             if (component.equals(new ComponentName(AuthenticatorActivity.this, OperationsService.class))) {
1789                 Log_OC.e(TAG, "Operations service crashed");
1790                 mOperationsServiceBinder = null;
1791             }
1792         }
1793
1794     }
1795
1796     /**
1797      * Create and show dialog for request authentication to the user
1798      * @param webView
1799      * @param handler
1800      */
1801     public void createAuthenticationDialog(WebView webView, HttpAuthHandler handler) {
1802
1803         // Show a dialog with the certificate info
1804         CredentialsDialogFragment dialog = CredentialsDialogFragment.newInstanceForCredentials(webView, handler);
1805         FragmentManager fm = getSupportFragmentManager();
1806         FragmentTransaction ft = fm.beginTransaction();
1807         ft.addToBackStack(null);
1808         dialog.setCancelable(false);
1809         dialog.show(ft, CREDENTIALS_DIALOG_TAG);
1810
1811         if (!mIsFirstAuthAttempt) {
1812             Toast.makeText(getApplicationContext(), getText(R.string.saml_authentication_wrong_pass), Toast.LENGTH_LONG).show();
1813         } else {
1814             mIsFirstAuthAttempt = false;
1815         }
1816     }
1817
1818     /**
1819      * For retrieving the clicking on authentication cancel button
1820      */
1821     public void doNegativeAuthenticatioDialogClick(){
1822         mIsFirstAuthAttempt = true;
1823     }
1824 }