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.Log_OC;
  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(OperationsService.EXTRA_SERVER_URL, uri);
 737             if (mOperationsServiceBinder != null) {
 738                 mWaitingForOpId = mOperationsServiceBinder.newOperation(getServerInfoIntent);
 739             } else {
 740               Log_OC.wtf(TAG, "Server check tried with OperationService unbound!" );
 741             }
 742
 743         } else {
 744             mServerStatusText = 0;
 745             mServerStatusIcon = 0;
 746             showServerStatus();
 747         }
 748     }
 749
 750
 751     /**
 752      * Handles changes in focus on the text input for the password (basic authorization).
 753      *
 754      * When (hasFocus), the button to toggle password visibility is shown.
 755      *
 756      * When (!hasFocus), the button is made invisible and the password is hidden.
 757      *
 758      * @param passwordInput    TextView with the password input field receiving the change of focus.
 759      * @param hasFocus          'True' if focus is received, 'false' if is lost
 760      */
 761     private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {
 762         if (hasFocus) {
 763             showViewPasswordButton();
 764         } else {
 765             hidePassword();
 766             hidePasswordButton();
 767         }
 768     }
 769
 770
 771     private void showViewPasswordButton() {
 772         int drawable = R.drawable.ic_view;
 773         if (isPasswordVisible()) {
 774             drawable = R.drawable.ic_hide;
 775         }
 776         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 777     }
 778
 779     private boolean isPasswordVisible() {
 780         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 781     }
 782
 783     private void hidePasswordButton() {
 784         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 785     }
 786
 787     private void showPassword() {
 788         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 789         showViewPasswordButton();
 790     }
 791
 792     private void hidePassword() {
 793         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
 794         showViewPasswordButton();
 795     }
 796
 797     /**
 798      * Checks the credentials of the user in the root of the ownCloud server
 799      * before creating a new local account.
 800      *
 801      * For basic authorization, a check of existence of the root folder is
 802      * performed.
 803      *
 804      * For OAuth, starts the flow to get an access token; the credentials test
 805      * is postponed until it is available.
 806      *
 807      * IMPORTANT ENTRY POINT 4
 808      *
 809      * @param view      OK button
 810      */
 811     public void onOkClick(View view) {
 812         // this check should be unnecessary
 813         if (mServerInfo.mVersion == null ||
 814                 !mServerInfo.mVersion.isVersionValid()  ||
 815                 mServerInfo.mBaseUrl == null ||
 816                 mServerInfo.mBaseUrl.length() == 0) {
 817             mServerStatusIcon = R.drawable.common_error;
 818             mServerStatusText = R.string.auth_wtf_reenter_URL;
 819             showServerStatus();
 820             mOkButton.setEnabled(false);
 821             //Log_OC.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");
 822             return;
 823         }
 824
 825         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 826             startOauthorization();
 827         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 828             startSamlBasedFederatedSingleSignOnAuthorization();
 829         } else {
 830             checkBasicAuthorization();
 831         }
 832     }
 833
 834
 835     /**
 836      * Tests the credentials entered by the user performing a check of existence on
 837      * the root folder of the ownCloud server.
 838      */
 839     private void checkBasicAuthorization() {
 840         /// get basic credentials entered by user
 841         String username = mUsernameInput.getText().toString();
 842         String password = mPasswordInput.getText().toString();
 843
 844         /// be gentle with the user
 845         IndeterminateProgressDialog dialog =
 846                 IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
 847         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 848
 849         /// validate credentials accessing the root folder
 850         accessRootFolderRemoteOperation(username, password);
 851
 852     }
 853
 854     private void accessRootFolderRemoteOperation(String username, String password) {
 855         Intent existenceCheckIntent = new Intent();
 856         existenceCheckIntent.setAction(OperationsService.ACTION_EXISTENCE_CHECK);
 857         existenceCheckIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mServerInfo.mBaseUrl);
 858         existenceCheckIntent.putExtra(OperationsService.EXTRA_REMOTE_PATH, "/");
 859         existenceCheckIntent.putExtra(OperationsService.EXTRA_USERNAME, username);
 860         existenceCheckIntent.putExtra(OperationsService.EXTRA_PASSWORD, password);
 861         existenceCheckIntent.putExtra(OperationsService.EXTRA_AUTH_TOKEN, mAuthToken);
 862
 863         if (mOperationsServiceBinder != null) {
 864             //Log_OC.wtf(TAG, "starting existenceCheckRemoteOperation..." );
 865             mWaitingForOpId = mOperationsServiceBinder.newOperation(existenceCheckIntent);
 866         }
 867     }
 868
 869     /**
 870      * Starts the OAuth 'grant type' flow to get an access token, with
 871      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 872      */
 873     private void startOauthorization() {
 874         // be gentle with the user
 875         mAuthStatusIcon = R.drawable.progress_small;
 876         mAuthStatusText = R.string.oauth_login_connection;
 877         showAuthStatus();
 878
 879         // GET AUTHORIZATION request
 880         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 881         Uri.Builder uriBuilder = uri.buildUpon();
 882         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type));
 883         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri));
 884         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id));
 885         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope));
 886         uri = uriBuilder.build();
 887         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 888         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 889         startActivity(i);
 890     }
 891
 892
 893     /**
 894      * Starts the Web Single Sign On flow to get access to the root folder
 895      * in the server.
 896      */
 897     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 898         // be gentle with the user
 899         mAuthStatusIcon = R.drawable.progress_small;
 900         mAuthStatusText = R.string.auth_connecting_auth_server;
 901         showAuthStatus();
 902         IndeterminateProgressDialog dialog =
 903                 IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
 904         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 905
 906         /// validate credentials accessing the root folder
 907         accessRootFolderRemoteOperation("", "");
 908
 909     }
 910
 911     /**
 912      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 913      *
 914      * Dispatches the operation flow to the right method.
 915      */
 916     @Override
 917     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 918
 919         if (operation instanceof GetServerInfoOperation) {
 920             if (operation.hashCode() == mWaitingForOpId) {
 921                 onGetServerInfoFinish(result);
 922             }   // else nothing ; only the last check operation is considered;
 923                 // multiple can be started if the user amends a URL quickly
 924
 925         } else if (operation instanceof OAuth2GetAccessToken) {
 926             onGetOAuthAccessTokenFinish(result);
 927
 928         } else if (operation instanceof ExistenceCheckRemoteOperation)  {
 929             //Log_OC.wtf(TAG, "received detection response through callback" );
 930             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 931                 onSamlBasedFederatedSingleSignOnAuthorizationStart(result);
 932
 933             } else {
 934                 onAuthorizationCheckFinish(result);
 935             }
 936         } else if (operation instanceof GetRemoteUserNameOperation) {
 937             onGetUserNameFinish(result);
 938         }
 939
 940     }
 941
 942     private void onGetUserNameFinish(RemoteOperationResult result) {
 943         mWaitingForOpId = Long.MAX_VALUE;
 944         if (result.isSuccess()) {
 945             boolean success = false;
 946             String username = (String) result.getData().get(0);
 947
 948             if ( mAction == ACTION_CREATE) {
 949                 mUsernameInput.setText(username);
 950                 success = createAccount();
 951             } else {
 952
 953                 if (!mUsernameInput.getText().toString().equals(username)) {
 954                     // fail - not a new account, but an existing one; disallow
 955                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
 956                     /*
 957                     OwnCloudClientManagerFactory.getDefaultSingleton().removeClientFor(
 958                             new OwnCloudAccount(
 959                                     Uri.parse(mServerInfo.mBaseUrl),
 960                                     OwnCloudCredentialsFactory.newSamlSsoCredentials(mAuthToken))
 961                             );
 962                             */
 963                     mAuthToken = "";
 964                     updateAuthStatusIconAndText(result);
 965                     showAuthStatus();
 966                     Log_OC.d(TAG, result.getLogMessage());
 967                 } else {
 968                     updateToken();
 969                     success = true;
 970                 }
 971             }
 972
 973             if (success)
 974                 finish();
 975         } else {
 976             updateStatusIconFailUserName();
 977             showAuthStatus();
 978             Log_OC.e(TAG, "Access to user name failed: " + result.getLogMessage());
 979         }
 980
 981     }
 982
 983     private void onSamlBasedFederatedSingleSignOnAuthorizationStart(RemoteOperationResult result) {
 984         mWaitingForOpId = Long.MAX_VALUE;
 985         dismissDialog(WAIT_DIALOG_TAG);
 986
 987         if (result.isIdPRedirection()) {
 988             String url = result.getRedirectedLocation();
 989             String targetUrl = mServerInfo.mBaseUrl
 990                     + AccountUtils.getWebdavPath(mServerInfo.mVersion, mAuthTokenType);
 991
 992             // Show dialog
 993             SamlWebViewDialog dialog = SamlWebViewDialog.newInstance(url, targetUrl);
 994             dialog.show(getSupportFragmentManager(), SAML_DIALOG_TAG);
 995
 996             mAuthStatusIcon = 0;
 997             mAuthStatusText = 0;
 998
 999         } else {
1000             mAuthStatusIcon = R.drawable.common_error;
1001             mAuthStatusText = R.string.auth_unsupported_auth_method;
1002
1003         }
1004         showAuthStatus();
1005     }
1006
1007
1008     /**
1009      * Processes the result of the server check performed when the user finishes the enter of the
1010      * server URL.
1011      *
1012      * @param operation     Server check performed.
1013      * @param result        Result of the check.
1014      */
1015     private void onGetServerInfoFinish(RemoteOperationResult result) {
1016         /// update activity state
1017         mServerIsChecked = true;
1018         mWaitingForOpId = Long.MAX_VALUE;
1019
1020         // update server status, but don't show it yet
1021         updateServerStatusIconAndText(result);
1022
1023         if (result.isSuccess()) {
1024             /// SUCCESS means:
1025             //      1. connection succeeded, and we know if it's SSL or not
1026             //      2. server is installed
1027             //      3. we got the server version
1028             //      4. we got the authentication method required by the server
1029             mServerInfo = (GetServerInfoOperation.ServerInfo) (result.getData().get(0));
1030
1031             if (!authSupported(mServerInfo.mAuthMethod)) {
1032
1033                 updateServerStatusIconNoRegularAuth();  // overrides updateServerStatusIconAndText()
1034                 mServerIsValid = false;
1035
1036             } else {
1037                 mServerIsValid = true;
1038             }
1039
1040         } else {
1041             mServerIsValid = false;
1042         }
1043
1044         // refresh UI
1045         showRefreshButton(!mServerIsValid);
1046         showServerStatus();
1047         mOkButton.setEnabled(mServerIsValid);
1048
1049         /// very special case (TODO: move to a common place for all the remote operations)
1050         if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1051             showUntrustedCertDialog(result);
1052         }
1053     }
1054
1055
1056     private boolean authSupported(AuthenticationMethod authMethod) {
1057         String basic = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1058         String oAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1059         String saml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
1060
1061         return (( mAuthTokenType.equals(basic) &&
1062                     authMethod.equals(AuthenticationMethod.BASIC_HTTP_AUTH) ) ||
1063                 ( mAuthTokenType.equals(oAuth) &&
1064                     authMethod.equals(AuthenticationMethod.BEARER_TOKEN)) ||
1065                 ( mAuthTokenType.equals(saml)  &&
1066                     authMethod.equals(AuthenticationMethod.SAML_WEB_SSO))
1067         );
1068     }
1069
1070
1071     // TODO remove, if possible
1072     private String normalizeUrl(String url, boolean sslWhenUnprefixed) {
1073         if (url != null && url.length() > 0) {
1074             url = url.trim();
1075             if (!url.toLowerCase().startsWith("http://") &&
1076                     !url.toLowerCase().startsWith("https://")) {
1077                 if (sslWhenUnprefixed) {
1078                     url = "https://" + url;
1079                 } else {
1080                     url = "http://" + url;
1081                 }
1082             }
1083
1084             url = trimUrlWebdav(url);
1085
1086             if (url.endsWith("/")) {
1087                 url = url.substring(0, url.length() - 1);
1088             }
1089
1090         }
1091         return (url != null ? url : "");
1092     }
1093
1094
1095     // TODO remove, if possible
1096     private String trimUrlWebdav(String url){
1097         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){
1098             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length());
1099         } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){
1100             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length());
1101         } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){
1102             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length());
1103         }
1104         return (url != null ? url : "");
1105     }
1106
1107
1108     /**
1109      * Chooses the right icon and text to show to the user for the received operation result.
1110      *
1111      * @param result    Result of a remote operation performed in this activity
1112      */
1113     private void updateServerStatusIconAndText(RemoteOperationResult result) {
1114         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1115
1116         switch (result.getCode()) {
1117         case OK_SSL:
1118             mServerStatusIcon = android.R.drawable.ic_secure;
1119             mServerStatusText = R.string.auth_secure_connection;
1120             break;
1121
1122         case OK_NO_SSL:
1123         case OK:
1124             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1125                 mServerStatusText = R.string.auth_connection_established;
1126                 mServerStatusIcon = R.drawable.ic_ok;
1127             } else {
1128                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1129                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
1130             }
1131             break;
1132
1133         case NO_NETWORK_CONNECTION:
1134             mServerStatusIcon = R.drawable.no_network;
1135             mServerStatusText = R.string.auth_no_net_conn_title;
1136             break;
1137
1138         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1139             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1140             break;
1141         case BAD_OC_VERSION:
1142             mServerStatusText = R.string.auth_bad_oc_version_title;
1143             break;
1144         case WRONG_CONNECTION:
1145             mServerStatusText = R.string.auth_wrong_connection_title;
1146             break;
1147         case TIMEOUT:
1148             mServerStatusText = R.string.auth_timeout_title;
1149             break;
1150         case INCORRECT_ADDRESS:
1151             mServerStatusText = R.string.auth_incorrect_address_title;
1152             break;
1153         case SSL_ERROR:
1154             mServerStatusText = R.string.auth_ssl_general_error_title;
1155             break;
1156         case UNAUTHORIZED:
1157             mServerStatusText = R.string.auth_unauthorized;
1158             break;
1159         case HOST_NOT_AVAILABLE:
1160             mServerStatusText = R.string.auth_unknown_host_title;
1161             break;
1162         case INSTANCE_NOT_CONFIGURED:
1163             mServerStatusText = R.string.auth_not_configured_title;
1164             break;
1165         case FILE_NOT_FOUND:
1166             mServerStatusText = R.string.auth_incorrect_path_title;
1167             break;
1168         case OAUTH2_ERROR:
1169             mServerStatusText = R.string.auth_oauth_error;
1170             break;
1171         case OAUTH2_ERROR_ACCESS_DENIED:
1172             mServerStatusText = R.string.auth_oauth_error_access_denied;
1173             break;
1174         case UNHANDLED_HTTP_CODE:
1175         case UNKNOWN_ERROR:
1176             mServerStatusText = R.string.auth_unknown_error_title;
1177             break;
1178         case OK_REDIRECT_TO_NON_SECURE_CONNECTION:
1179             mServerStatusIcon = android.R.drawable.ic_partial_secure;
1180             mServerStatusText = R.string.auth_redirect_non_secure_connection_title;
1181             break;
1182         default:
1183             mServerStatusText = 0;
1184             mServerStatusIcon = 0;
1185         }
1186     }
1187
1188
1189     /**
1190      * Chooses the right icon and text to show to the user for the received operation result.
1191      *
1192      * @param result    Result of a remote operation performed in this activity
1193      */
1194     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1195         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1196
1197         switch (result.getCode()) {
1198         case OK_SSL:
1199             mAuthStatusIcon = android.R.drawable.ic_secure;
1200             mAuthStatusText = R.string.auth_secure_connection;
1201             break;
1202
1203         case OK_NO_SSL:
1204         case OK:
1205             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1206                 mAuthStatusText = R.string.auth_connection_established;
1207                 mAuthStatusIcon = R.drawable.ic_ok;
1208             } else {
1209                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1210                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
1211             }
1212             break;
1213
1214         case NO_NETWORK_CONNECTION:
1215             mAuthStatusIcon = R.drawable.no_network;
1216             mAuthStatusText = R.string.auth_no_net_conn_title;
1217             break;
1218
1219         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1220             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1221             break;
1222         case BAD_OC_VERSION:
1223             mAuthStatusText = R.string.auth_bad_oc_version_title;
1224             break;
1225         case WRONG_CONNECTION:
1226             mAuthStatusText = R.string.auth_wrong_connection_title;
1227             break;
1228         case TIMEOUT:
1229             mAuthStatusText = R.string.auth_timeout_title;
1230             break;
1231         case INCORRECT_ADDRESS:
1232             mAuthStatusText = R.string.auth_incorrect_address_title;
1233             break;
1234         case SSL_ERROR:
1235             mAuthStatusText = R.string.auth_ssl_general_error_title;
1236             break;
1237         case UNAUTHORIZED:
1238             mAuthStatusText = R.string.auth_unauthorized;
1239             break;
1240         case HOST_NOT_AVAILABLE:
1241             mAuthStatusText = R.string.auth_unknown_host_title;
1242             break;
1243         case INSTANCE_NOT_CONFIGURED:
1244             mAuthStatusText = R.string.auth_not_configured_title;
1245             break;
1246         case FILE_NOT_FOUND:
1247             mAuthStatusText = R.string.auth_incorrect_path_title;
1248             break;
1249         case OAUTH2_ERROR:
1250             mAuthStatusText = R.string.auth_oauth_error;
1251             break;
1252         case OAUTH2_ERROR_ACCESS_DENIED:
1253             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1254             break;
1255         case ACCOUNT_NOT_NEW:
1256             mAuthStatusText = R.string.auth_account_not_new;
1257             break;
1258         case ACCOUNT_NOT_THE_SAME:
1259             mAuthStatusText = R.string.auth_account_not_the_same;
1260             break;
1261         case UNHANDLED_HTTP_CODE:
1262         case UNKNOWN_ERROR:
1263             mAuthStatusText = R.string.auth_unknown_error_title;
1264             break;
1265         default:
1266             mAuthStatusText = 0;
1267             mAuthStatusIcon = 0;
1268         }
1269     }
1270
1271
1272     private void updateStatusIconFailUserName(){
1273         mAuthStatusIcon = R.drawable.common_error;
1274         mAuthStatusText = R.string.auth_fail_get_user_name;
1275     }
1276
1277     private void updateServerStatusIconNoRegularAuth(){
1278         mServerStatusIcon = R.drawable.common_error;
1279         mServerStatusText = R.string.auth_can_not_auth_against_server;
1280     }
1281
1282     /**
1283      * Processes the result of the request for and access token send
1284      * to an OAuth authorization server.
1285      *
1286      * @param result        Result of the operation.
1287      */
1288     private void onGetOAuthAccessTokenFinish(RemoteOperationResult result) {
1289         mWaitingForOpId = Long.MAX_VALUE;
1290         dismissDialog(WAIT_DIALOG_TAG);
1291
1292         if (result.isSuccess()) {
1293             /// be gentle with the user
1294             IndeterminateProgressDialog dialog =
1295                     IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
1296             dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
1297
1298             /// time to test the retrieved access token on the ownCloud server
1299             @SuppressWarnings("unchecked")
1300             Map<String, String> tokens = (Map<String, String>)(result.getData().get(0));
1301             mAuthToken = tokens.get(OAuth2Constants.KEY_ACCESS_TOKEN);
1302             //mAuthToken = ((OAuth2GetAccessToken)operation).getResultTokenMap().get(OAuth2Constants.KEY_ACCESS_TOKEN);
1303             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1304
1305             accessRootFolderRemoteOperation("", "");
1306
1307         } else {
1308             updateAuthStatusIconAndText(result);
1309             showAuthStatus();
1310             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1311         }
1312     }
1313
1314
1315     /**
1316      * Processes the result of the access check performed to try the user credentials.
1317      *
1318      * Creates a new account through the AccountManager.
1319      *
1320      * @param operation     Access check performed.
1321      * @param result        Result of the operation.
1322      */
1323     private void onAuthorizationCheckFinish(RemoteOperationResult result) {
1324         mWaitingForOpId = Long.MAX_VALUE;
1325         dismissDialog(WAIT_DIALOG_TAG);
1326
1327         if (result.isSuccess()) {
1328             Log_OC.d(TAG, "Successful access - time to save the account");
1329
1330             boolean success = false;
1331             if (mAction == ACTION_CREATE) {
1332                 success = createAccount();
1333
1334             } else {
1335                 updateToken();
1336                 success = true;
1337             }
1338
1339             if (success) {
1340                 finish();
1341             }
1342
1343         } else if (result.isServerFail() || result.isException()) {
1344             /// server errors or exceptions in authorization take to requiring a new check of
1345             /// the server
1346             mServerIsChecked = true;
1347             mServerIsValid = false;
1348             mServerInfo = new GetServerInfoOperation.ServerInfo();
1349
1350             // update status icon and text
1351             updateServerStatusIconAndText(result);
1352             showServerStatus();
1353             mAuthStatusIcon = 0;
1354             mAuthStatusText = 0;
1355             showAuthStatus();
1356
1357             // update input controls state
1358             showRefreshButton(true);
1359             mOkButton.setEnabled(false);
1360
1361             // very special case (TODO: move to a common place for all the remote operations) (dangerous here?)
1362             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1363                 showUntrustedCertDialog(result);
1364             }
1365
1366         } else {    // authorization fail due to client side - probably wrong credentials
1367             updateAuthStatusIconAndText(result);
1368             showAuthStatus();
1369             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1370         }
1371     }
1372
1373
1374
1375
1376     /**
1377      * Sets the proper response to get that the Account Authenticator that started this activity saves
1378      * a new authorization token for mAccount.
1379      */
1380     private void updateToken() {
1381         Bundle response = new Bundle();
1382         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1383         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1384
1385         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1386             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1387             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1388             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1389
1390         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1391
1392             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1393             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1394             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1395
1396         } else {
1397             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1398             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1399         }
1400         setAccountAuthenticatorResult(response);
1401
1402     }
1403
1404
1405     /**
1406      * Creates a new account through the Account Authenticator that started this activity.
1407      *
1408      * This makes the account permanent.
1409      *
1410      * TODO Decide how to name the OAuth accounts
1411      */
1412     private boolean createAccount() {
1413         /// create and save new ownCloud account
1414         boolean isOAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1415         boolean isSaml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1416
1417         Uri uri = Uri.parse(mServerInfo.mBaseUrl);
1418         String username = mUsernameInput.getText().toString().trim();
1419         if (isOAuth) {
1420             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1421         }
1422         String accountName = com.owncloud.android.lib.common.accounts.AccountUtils.
1423                 buildAccountName(uri, username);
1424         Account newAccount = new Account(accountName, MainApp.getAccountType());
1425         if (AccountUtils.exists(newAccount, getApplicationContext())) {
1426             // fail - not a new account, but an existing one; disallow
1427             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1428             updateAuthStatusIconAndText(result);
1429             showAuthStatus();
1430             Log_OC.d(TAG, result.getLogMessage());
1431             return false;
1432
1433         } else {
1434             mAccount = newAccount;
1435
1436             if (isOAuth || isSaml) {
1437                 mAccountMgr.addAccountExplicitly(mAccount, "", null);  // with external authorizations, the password is never input in the app
1438             } else {
1439                 mAccountMgr.addAccountExplicitly(mAccount, mPasswordInput.getText().toString(), null);
1440             }
1441
1442             /// add the new account as default in preferences, if there is none already
1443             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1444             if (defaultAccount == null) {
1445                 SharedPreferences.Editor editor = PreferenceManager
1446                         .getDefaultSharedPreferences(this).edit();
1447                 editor.putString("select_oc_account", accountName);
1448                 editor.commit();
1449             }
1450
1451             /// prepare result to return to the Authenticator
1452             //  TODO check again what the Authenticator makes with it; probably has the same effect as addAccountExplicitly, but it's not well done
1453             final Intent intent = new Intent();
1454             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1455             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1456             /*if (!isOAuth)
1457                 intent.putExtra(AccountManager.KEY_AUTHTOKEN,   MainApp.getAccountType()); */
1458             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1459             if (isOAuth || isSaml) {
1460                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1461             }
1462             /// add user data to the new account; TODO probably can be done in the last parameter addAccountExplicitly, or in KEY_USERDATA
1463             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_VERSION,    mServerInfo.mVersion.getVersion());
1464             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_BASE_URL,   mServerInfo.mBaseUrl);
1465
1466             if (isSaml) {
1467                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1468             } else if (isOAuth) {
1469                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1470             }
1471
1472             setAccountAuthenticatorResult(intent.getExtras());
1473             setResult(RESULT_OK, intent);
1474
1475             return true;
1476         }
1477     }
1478
1479
1480     /**
1481      * Starts and activity to open the 'new account' page in the ownCloud web site
1482      *
1483      * @param view      'Account register' button
1484      */
1485     public void onRegisterClick(View view) {
1486         Intent register = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url)));
1487         setResult(RESULT_CANCELED);
1488         startActivity(register);
1489     }
1490
1491
1492     /**
1493      * Updates the content and visibility state of the icon and text associated
1494      * to the last check on the ownCloud server.
1495      *
1496      * @param serverStatusText      Resource identifier of the text to show.
1497      * @param serverStatusIcon      Resource identifier of the icon to show.
1498      */
1499     private void showServerStatus() {
1500         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1501             mServerStatusView.setVisibility(View.INVISIBLE);
1502
1503         } else {
1504             mServerStatusView.setText(mServerStatusText);
1505             mServerStatusView.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1506             mServerStatusView.setVisibility(View.VISIBLE);
1507         }
1508
1509     }
1510
1511
1512     /**
1513      * Updates the content and visibility state of the icon and text associated
1514      * to the interactions with the OAuth authorization server.
1515      */
1516     private void showAuthStatus() {
1517         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1518             mAuthStatusView.setVisibility(View.INVISIBLE);
1519
1520         } else {
1521             mAuthStatusView.setText(mAuthStatusText);
1522             mAuthStatusView.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1523             mAuthStatusView.setVisibility(View.VISIBLE);
1524         }
1525     }
1526
1527
1528     private void showRefreshButton (boolean show) {
1529         if (show)  {
1530             mRefreshButton.setVisibility(View.VISIBLE);
1531         } else {
1532             mRefreshButton.setVisibility(View.GONE);
1533         }
1534     }
1535
1536     /**
1537      * Called when the refresh button in the input field for ownCloud host is clicked.
1538      *
1539      * Performs a new check on the URL in the input field.
1540      *
1541      * @param view      Refresh 'button'
1542      */
1543     public void onRefreshClick(View view) {
1544         checkOcServer();
1545     }
1546
1547
1548     /**
1549      * Called when the eye icon in the password field is clicked.
1550      *
1551      * Toggles the visibility of the password in the field.
1552      */
1553     public void onViewPasswordClick() {
1554         int selectionStart = mPasswordInput.getSelectionStart();
1555         int selectionEnd = mPasswordInput.getSelectionEnd();
1556         if (isPasswordVisible()) {
1557             hidePassword();
1558         } else {
1559             showPassword();
1560         }
1561         mPasswordInput.setSelection(selectionStart, selectionEnd);
1562     }
1563
1564
1565     /**
1566      * Called when the checkbox for OAuth authorization is clicked.
1567      *
1568      * Hides or shows the input fields for user & password.
1569      *
1570      * @param view      'View password' 'button'
1571      */
1572     public void onCheckClick(View view) {
1573         CheckBox oAuth2Check = (CheckBox)view;
1574         if (oAuth2Check.isChecked()) {
1575             mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1576         } else {
1577             mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1578         }
1579         updateAuthenticationPreFragmentVisibility();
1580     }
1581
1582
1583     /**
1584      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1585      *
1586      *  Used to trigger the authentication check when the user presses 'enter' after writing the password,
1587      *  or to throw the server test when the only field on screen is the URL input field.
1588      */
1589     @Override
1590     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1591         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null && inputField.equals(mPasswordInput)) {
1592             if (mOkButton.isEnabled()) {
1593                 mOkButton.performClick();
1594             }
1595
1596         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null && inputField.equals(mHostUrlInput)) {
1597             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1598                 checkOcServer();
1599             }
1600         }
1601         return false;   // always return false to grant that the software keyboard is hidden anyway
1602     }
1603
1604
1605     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1606
1607         private int fuzz = 75;
1608
1609         /**
1610          * {@inheritDoc}
1611          */
1612         @Override
1613         public boolean onTouch(View view, MotionEvent event) {
1614             Drawable rightDrawable = null;
1615             if (view instanceof TextView) {
1616                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1617                 if (drawables.length > 2) {
1618                     rightDrawable = drawables[2];
1619                 }
1620             }
1621             if (rightDrawable != null) {
1622                 final int x = (int) event.getX();
1623                 final int y = (int) event.getY();
1624                 final Rect bounds = rightDrawable.getBounds();
1625                 if (x >= (view.getRight() - bounds.width() - fuzz) && x <= (view.getRight() - view.getPaddingRight() + fuzz)
1626                         && y >= (view.getPaddingTop() - fuzz) && y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1627
1628                     return onDrawableTouch(event);
1629                 }
1630             }
1631             return false;
1632         }
1633
1634         public abstract boolean onDrawableTouch(final MotionEvent event);
1635     }
1636
1637
1638     private void getRemoteUserNameOperation(String sessionCookie, boolean followRedirects) {
1639
1640         Intent getUserNameIntent = new Intent();
1641         getUserNameIntent.setAction(OperationsService.ACTION_GET_USER_NAME);
1642         getUserNameIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mServerInfo.mBaseUrl);
1643         getUserNameIntent.putExtra(OperationsService.EXTRA_COOKIE, sessionCookie);
1644
1645         if (mOperationsServiceBinder != null) {
1646             //Log_OC.wtf(TAG, "starting getRemoteUserNameOperation..." );
1647             mWaitingForOpId = mOperationsServiceBinder.newOperation(getUserNameIntent);
1648         }
1649     }
1650
1651
1652     @Override
1653     public void onSsoFinished(String sessionCookie) {
1654         if (sessionCookie != null && sessionCookie.length() > 0) {
1655             Log_OC.d(TAG, "Successful SSO - time to save the account");
1656             mAuthToken = sessionCookie;
1657             getRemoteUserNameOperation(sessionCookie, true);
1658             Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1659             if (fd != null && fd instanceof SherlockDialogFragment) {
1660                 Dialog d = ((SherlockDialogFragment)fd).getDialog();
1661                 if (d != null && d.isShowing()) {
1662                     d.dismiss();
1663                 }
1664             }
1665
1666         } else {
1667             // TODO - show fail
1668             Log_OC.d(TAG, "SSO failed");
1669         }
1670
1671     }
1672
1673     @Override
1674     public boolean onTouchEvent(MotionEvent event) {
1675         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
1676                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1677             checkOcServer();
1678         }
1679         return super.onTouchEvent(event);
1680     }
1681
1682
1683     /**
1684      * Show untrusted cert dialog
1685      */
1686     public void showUntrustedCertDialog(X509Certificate x509Certificate, SslError error, SslErrorHandler handler) {
1687         // Show a dialog with the certificate info
1688         SslUntrustedCertDialog dialog = null;
1689         if (x509Certificate == null) {
1690             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
1691         } else {
1692             dialog = SslUntrustedCertDialog.newInstanceForFullSslError(x509Certificate, error, handler);
1693         }
1694         FragmentManager fm = getSupportFragmentManager();
1695         FragmentTransaction ft = fm.beginTransaction();
1696         ft.addToBackStack(null);
1697         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1698     }
1699
1700
1701     /**
1702      * Show untrusted cert dialog
1703      */
1704     private void showUntrustedCertDialog(RemoteOperationResult result) {
1705         // Show a dialog with the certificate info
1706         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1707         FragmentManager fm = getSupportFragmentManager();
1708         FragmentTransaction ft = fm.beginTransaction();
1709         ft.addToBackStack(null);
1710         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1711
1712     }
1713
1714     /**
1715      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1716      */
1717     public void onSavedCertificate() {
1718         Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1719         if (fd == null) {
1720             // if SAML dialog is not shown, the SslDialog was shown due to an SSL error in the server check
1721             checkOcServer();
1722         }
1723     }
1724
1725     /**
1726      * Called from SslValidatorDialog when a new server certificate could not be saved
1727      * when the user requested it.
1728      */
1729     @Override
1730     public void onFailedSavingCertificate() {
1731         dismissDialog(SAML_DIALOG_TAG);
1732         Toast.makeText(this, R.string.ssl_validator_not_saved, Toast.LENGTH_LONG).show();
1733     }
1734
1735     @Override
1736     public void onCancelCertificate() {
1737         dismissDialog(SAML_DIALOG_TAG);
1738     }
1739
1740
1741     private void doOnResumeAndBound() {
1742         //Log_OC.wtf(TAG, "registering to listen for operation callbacks" );
1743         mOperationsServiceBinder.addOperationListener(AuthenticatorActivity.this, mHandler);
1744         if (mWaitingForOpId <= Integer.MAX_VALUE) {
1745             mOperationsServiceBinder.dispatchResultIfFinished((int)mWaitingForOpId, this);
1746         }
1747
1748         if (mPendingAutoCheck) {
1749             checkOcServer();
1750         }
1751     }
1752
1753
1754     private void dismissDialog(String dialogTag){
1755         Fragment frag = getSupportFragmentManager().findFragmentByTag(dialogTag);
1756         if (frag != null && frag instanceof SherlockDialogFragment) {
1757             SherlockDialogFragment dialog = (SherlockDialogFragment) frag;
1758             dialog.dismiss();
1759         }
1760     }
1761
1762
1763     /**
1764      * Implements callback methods for service binding.
1765      */
1766     private class OperationsServiceConnection implements ServiceConnection {
1767
1768         @Override
1769         public void onServiceConnected(ComponentName component, IBinder service) {
1770             if (component.equals(new ComponentName(AuthenticatorActivity.this, OperationsService.class))) {
1771                 //Log_OC.wtf(TAG, "Operations service connected");
1772                 mOperationsServiceBinder = (OperationsServiceBinder) service;
1773
1774                 doOnResumeAndBound();
1775
1776             } else {
1777                 return;
1778             }
1779
1780         }
1781
1782         @Override
1783         public void onServiceDisconnected(ComponentName component) {
1784             if (component.equals(new ComponentName(AuthenticatorActivity.this, OperationsService.class))) {
1785                 Log_OC.e(TAG, "Operations service crashed");
1786                 mOperationsServiceBinder = null;
1787             }
1788         }
1789
1790     }
1791
1792     /**
1793      * Create and show dialog for request authentication to the user
1794      * @param webView
1795      * @param handler
1796      */
1797     public void createAuthenticationDialog(WebView webView, HttpAuthHandler handler) {
1798
1799         // Show a dialog with the certificate info
1800         CredentialsDialogFragment dialog = CredentialsDialogFragment.newInstanceForCredentials(webView, handler);
1801         FragmentManager fm = getSupportFragmentManager();
1802         FragmentTransaction ft = fm.beginTransaction();
1803         ft.addToBackStack(null);
1804         dialog.setCancelable(false);
1805         dialog.show(ft, CREDENTIALS_DIALOG_TAG);
1806
1807         if (!mIsFirstAuthAttempt) {
1808             Toast.makeText(getApplicationContext(), getText(R.string.saml_authentication_wrong_pass), Toast.LENGTH_LONG).show();
1809         } else {
1810             mIsFirstAuthAttempt = false;
1811         }
1812     }
1813
1814     /**
1815      * For retrieving the clicking on authentication cancel button
1816      */
1817     public void doNegativeAuthenticatioDialogClick(){
1818         mIsFirstAuthAttempt = true;
1819     }
1820 }