src/com/owncloud/android/authentication/AuthenticatorActivity.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012  Bartek Przybylski
   3  *   Copyright (C) 2012-2013 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
  23 import android.accounts.Account;
  24 import android.accounts.AccountManager;
  25 import android.app.AlertDialog;
  26 import android.app.Dialog;
  27 import android.app.ProgressDialog;
  28 import android.content.DialogInterface;
  29 import android.content.Intent;
  30 import android.content.SharedPreferences;
  31 import android.graphics.Rect;
  32 import android.graphics.drawable.Drawable;
  33 import android.net.Uri;
  34 import android.net.http.SslError;
  35 import android.os.Bundle;
  36 import android.os.Handler;
  37 import android.preference.PreferenceManager;
  38 import android.support.v4.app.DialogFragment;
  39 import android.support.v4.app.Fragment;
  40 import android.support.v4.app.FragmentManager;
  41 import android.support.v4.app.FragmentTransaction;
  42 import android.text.Editable;
  43 import android.text.InputType;
  44 import android.text.TextWatcher;
  45 import android.view.KeyEvent;
  46 import android.view.MotionEvent;
  47 import android.view.View;
  48 import android.view.View.OnFocusChangeListener;
  49 import android.view.View.OnTouchListener;
  50 import android.view.Window;
  51 import android.view.inputmethod.EditorInfo;
  52 import android.webkit.SslErrorHandler;
  53 import android.widget.Button;
  54 import android.widget.CheckBox;
  55 import android.widget.EditText;
  56 import android.widget.TextView;
  57 import android.widget.TextView.OnEditorActionListener;
  58
  59 import com.actionbarsherlock.app.SherlockDialogFragment;
  60 import com.owncloud.android.MainApp;
  61 import com.owncloud.android.R;
  62 import com.owncloud.android.authentication.SsoWebViewClient.SsoWebViewClientListener;
  63 import com.owncloud.android.lib.common.accounts.AccountTypeUtils;
  64 import com.owncloud.android.lib.common.accounts.AccountUtils.Constants;
  65 import com.owncloud.android.lib.common.OwnCloudClientFactory;
  66 import com.owncloud.android.lib.common.OwnCloudClient;
  67 import com.owncloud.android.operations.OAuth2GetAccessToken;
  68
  69 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  70 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  71 import com.owncloud.android.lib.resources.status.GetRemoteStatusOperation;
  72 import com.owncloud.android.lib.common.operations.RemoteOperation;
  73 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  74 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  75 import com.owncloud.android.lib.resources.files.ExistenceCheckRemoteOperation;
  76 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  77
  78 import com.owncloud.android.ui.dialog.AlertMessageDialog;
  79 import com.owncloud.android.ui.dialog.SamlWebViewDialog;
  80 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  81 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  82 import com.owncloud.android.utils.Log_OC;
  83 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  84
  85 /**
  86  * This Activity is used to add an ownCloud account to the App
  87  *
  88  * @author Bartek Przybylski
  89  * @author David A. Velasco
  90  */
  91 public class AuthenticatorActivity extends AccountAuthenticatorActivity
  92     implements  OnRemoteOperationListener, OnFocusChangeListener, OnEditorActionListener,
  93     SsoWebViewClientListener, OnSslUntrustedCertListener {
  94
  95     private static final String TAG = AuthenticatorActivity.class.getSimpleName();
  96
  97     public static final String EXTRA_ACCOUNT = "ACCOUNT";
  98     public static final String EXTRA_USER_NAME = "USER_NAME";
  99     public static final String EXTRA_HOST_NAME = "HOST_NAME";
 100     public static final String EXTRA_ACTION = "ACTION";
 101     public static final String EXTRA_ENFORCED_UPDATE = "ENFORCE_UPDATE";
 102
 103     private static final String KEY_AUTH_MESSAGE_VISIBILITY = "AUTH_MESSAGE_VISIBILITY";
 104     private static final String KEY_AUTH_MESSAGE_TEXT = "AUTH_MESSAGE_TEXT";
 105     private static final String KEY_HOST_URL_TEXT = "HOST_URL_TEXT";
 106     private static final String KEY_OC_VERSION = "OC_VERSION";
 107     private static final String KEY_OC_VERSION_STRING = "OC_VERSION_STRING";
 108     private static final String KEY_ACCOUNT = "ACCOUNT";
 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_CHECK_IN_PROGRESS = "SERVER_CHECK_IN_PROGRESS";
 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_VISIBLE = "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_REFRESH_BUTTON_ENABLED = "KEY_REFRESH_BUTTON_ENABLED";
 119     //private static final String KEY_IS_SHARED_SUPPORTED = "KEY_IS_SHARE_SUPPORTED";
 120
 121     private static final String AUTH_ON = "on";
 122     private static final String AUTH_OFF = "off";
 123     private static final String AUTH_OPTIONAL = "optional";
 124
 125     private static final int DIALOG_LOGIN_PROGRESS = 0;
 126     private static final int DIALOG_CERT_NOT_SAVED = 1;
 127     private static final int DIALOG_OAUTH2_LOGIN_PROGRESS = 2;
 128
 129     public static final byte ACTION_CREATE = 0;
 130     public static final byte ACTION_UPDATE_TOKEN = 1;
 131
 132     private static final String TAG_SAML_DIALOG = "samlWebViewDialog";
 133     private static final String TAG_ALERT_MESSAGE_DIALOG = "alertMessagewDialog";
 134
 135     private String mHostBaseUrl;
 136     private OwnCloudVersion mDiscoveredVersion;
 137
 138     private String mAuthMessageText;
 139     private int mAuthMessageVisibility, mServerStatusText, mServerStatusIcon;
 140     private boolean mServerIsChecked, mServerIsValid, mIsSslConn;
 141     private int mAuthStatusText, mAuthStatusIcon;
 142     private TextView mAuthStatusLayout;
 143
 144     private final Handler mHandler = new Handler();
 145     private Thread mOperationThread;
 146     private GetRemoteStatusOperation mOcServerChkOperation;
 147     private ExistenceCheckRemoteOperation mAuthCheckOperation;
 148
 149     private Uri mNewCapturedUriFromOAuth2Redirection;
 150
 151     private AccountManager mAccountMgr;
 152     private boolean mJustCreated;
 153     private byte mAction;
 154     private Account mAccount;
 155
 156     private TextView mAuthMessage;
 157
 158     private EditText mHostUrlInput;
 159     private boolean mHostUrlInputEnabled;
 160     private View mRefreshButton;
 161
 162     private String mAuthTokenType;
 163
 164     private EditText mUsernameInput;
 165     private EditText mPasswordInput;
 166
 167     private CheckBox mOAuth2Check;
 168
 169     private TextView mOAuthAuthEndpointText;
 170     private TextView mOAuthTokenEndpointText;
 171
 172     private SamlWebViewDialog mSamlDialog;
 173
 174     private View mOkButton;
 175
 176     private String mAuthToken;
 177
 178     private boolean mResumed; // Control if activity is resumed
 179
 180     public static String DIALOG_UNTRUSTED_CERT = "DIALOG_UNTRUSTED_CERT";
 181
 182     private boolean mTryEmptyAuthorization = false;
 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         super.onCreate(savedInstanceState);
 193         getWindow().requestFeature(Window.FEATURE_NO_TITLE);
 194
 195         /// set view and get references to view elements
 196         setContentView(R.layout.account_setup);
 197         mAuthMessage = (TextView) findViewById(R.id.auth_message);
 198         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 199         mHostUrlInput.setText(getString(R.string.server_url));  // valid although R.string.server_url is an empty string
 200         mUsernameInput = (EditText) findViewById(R.id.account_username);
 201         mPasswordInput = (EditText) findViewById(R.id.account_password);
 202         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 203         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 204         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 205         mOkButton = findViewById(R.id.buttonOK);
 206         mAuthStatusLayout = (TextView) findViewById(R.id.auth_status_text);
 207
 208         /// set Host Url Input Enabled
 209         mHostUrlInputEnabled = getResources().getBoolean(R.bool.show_server_url_input);
 210
 211         /// set visibility of link for new users
 212         boolean accountRegisterVisibility = getResources().getBoolean(R.bool.show_welcome_link);
 213         Button welcomeLink = (Button) findViewById(R.id.welcome_link);
 214         if (welcomeLink != null) {
 215             if (accountRegisterVisibility) {
 216                 welcomeLink.setVisibility(View.VISIBLE);
 217                 welcomeLink.setText(String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 218             } else {
 219                 findViewById(R.id.welcome_link).setVisibility(View.GONE);
 220             }
 221         }
 222
 223         /// initialization
 224         mAccountMgr = AccountManager.get(this);
 225         mNewCapturedUriFromOAuth2Redirection = null;
 226         mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE);
 227         mAccount = null;
 228         mHostBaseUrl = "";
 229         boolean refreshButtonEnabled = false;
 230
 231         // URL input configuration applied
 232         if (!mHostUrlInputEnabled)
 233         {
 234             findViewById(R.id.hostUrlFrame).setVisibility(View.GONE);
 235             mRefreshButton = findViewById(R.id.centeredRefreshButton);
 236
 237         } else {
 238             mRefreshButton = findViewById(R.id.embeddedRefreshButton);
 239         }
 240
 241         if (savedInstanceState == null) {
 242             mResumed = false;
 243             /// connection state and info
 244             mAuthMessageVisibility = View.GONE;
 245             mServerStatusText = mServerStatusIcon = 0;
 246             mServerIsValid = false;
 247             mServerIsChecked = false;
 248             mIsSslConn = false;
 249             mAuthStatusText = mAuthStatusIcon = 0;
 250
 251             /// retrieve extras from intent
 252             mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 253             if (mAccount != null) {
 254                 String ocVersion = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION);
 255                 String ocVersionString = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION_STRING);
 256                 if (ocVersion != null) {
 257                     mDiscoveredVersion = new OwnCloudVersion(ocVersion, ocVersionString);
 258                 }
 259                 mHostBaseUrl = normalizeUrl(mAccountMgr.getUserData(mAccount, Constants.KEY_OC_BASE_URL));
 260                 mHostUrlInput.setText(mHostBaseUrl);
 261                 String userName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 262                 mUsernameInput.setText(userName);
 263
 264             }
 265             initAuthorizationMethod();  // checks intent and setup.xml to determine mCurrentAuthorizationMethod
 266             mJustCreated = true;
 267
 268             if (mAction == ACTION_UPDATE_TOKEN || !mHostUrlInputEnabled) {
 269                 checkOcServer();
 270             }
 271
 272         } else {
 273             mResumed = true;
 274             /// connection state and info
 275             mAuthMessageVisibility = savedInstanceState.getInt(KEY_AUTH_MESSAGE_VISIBILITY);
 276             mAuthMessageText = savedInstanceState.getString(KEY_AUTH_MESSAGE_TEXT);
 277             mServerIsValid = savedInstanceState.getBoolean(KEY_SERVER_VALID);
 278             mServerIsChecked = savedInstanceState.getBoolean(KEY_SERVER_CHECKED);
 279             mServerStatusText = savedInstanceState.getInt(KEY_SERVER_STATUS_TEXT);
 280             mServerStatusIcon = savedInstanceState.getInt(KEY_SERVER_STATUS_ICON);
 281             mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 282             mAuthStatusText = savedInstanceState.getInt(KEY_AUTH_STATUS_TEXT);
 283             mAuthStatusIcon = savedInstanceState.getInt(KEY_AUTH_STATUS_ICON);
 284             if (savedInstanceState.getBoolean(KEY_PASSWORD_VISIBLE, false)) {
 285                 showPassword();
 286             }
 287
 288             /// server data
 289             String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 290             String ocVersionString = savedInstanceState.getString(KEY_OC_VERSION_STRING);
 291             if (ocVersion != null) {
 292                 mDiscoveredVersion = new OwnCloudVersion(ocVersion, ocVersionString);
 293             }
 294             mHostBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 295
 296             // account data, if updating
 297             mAccount = savedInstanceState.getParcelable(KEY_ACCOUNT);
 298             mAuthTokenType = savedInstanceState.getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 299             if (mAuthTokenType == null) {
 300                 mAuthTokenType =  AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 301
 302             }
 303
 304             // check if server check was interrupted by a configuration change
 305             if (savedInstanceState.getBoolean(KEY_SERVER_CHECK_IN_PROGRESS, false)) {
 306                 checkOcServer();
 307             }
 308
 309             // refresh button enabled
 310             refreshButtonEnabled = savedInstanceState.getBoolean(KEY_REFRESH_BUTTON_ENABLED);
 311
 312
 313         }
 314
 315         if (mAuthMessageVisibility== View.VISIBLE) {
 316             showAuthMessage(mAuthMessageText);
 317         }
 318         else {
 319             hideAuthMessage();
 320         }
 321         adaptViewAccordingToAuthenticationMethod();
 322         showServerStatus();
 323         showAuthStatus();
 324
 325         if (mAction == ACTION_UPDATE_TOKEN) {
 326             /// lock things that should not change
 327             mHostUrlInput.setEnabled(false);
 328             mHostUrlInput.setFocusable(false);
 329             mUsernameInput.setEnabled(false);
 330             mUsernameInput.setFocusable(false);
 331             mOAuth2Check.setVisibility(View.GONE);
 332         }
 333
 334         //if (mServerIsChecked && !mServerIsValid && mRefreshButtonEnabled) showRefreshButton();
 335         if (mServerIsChecked && !mServerIsValid && refreshButtonEnabled) showRefreshButton();
 336         mOkButton.setEnabled(mServerIsValid); // state not automatically recovered in configuration changes
 337
 338         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) ||
 339                 !AUTH_OPTIONAL.equals(getString(R.string.auth_method_oauth2))) {
 340             mOAuth2Check.setVisibility(View.GONE);
 341         }
 342
 343         mPasswordInput.setText("");     // clean password to avoid social hacking (disadvantage: password in removed if the device is turned aside)
 344
 345         /// bind view elements to listeners and other friends
 346         mHostUrlInput.setOnFocusChangeListener(this);
 347         mHostUrlInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 348         mHostUrlInput.setOnEditorActionListener(this);
 349         mHostUrlInput.addTextChangedListener(new TextWatcher() {
 350
 351             @Override
 352             public void afterTextChanged(Editable s) {
 353                 if (!mHostBaseUrl.equals(normalizeUrl(mHostUrlInput.getText().toString()))) {
 354                     mOkButton.setEnabled(false);
 355                 }
 356             }
 357
 358             @Override
 359             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 360             }
 361
 362             @Override
 363             public void onTextChanged(CharSequence s, int start, int before, int count) {
 364                 if (!mResumed) {
 365                     mAuthStatusIcon = 0;
 366                     mAuthStatusText = 0;
 367                     showAuthStatus();
 368                 }
 369                 mResumed = false;
 370             }
 371         });
 372
 373         mPasswordInput.setOnFocusChangeListener(this);
 374         mPasswordInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
 375         mPasswordInput.setOnEditorActionListener(this);
 376         mPasswordInput.setOnTouchListener(new RightDrawableOnTouchListener() {
 377             @Override
 378             public boolean onDrawableTouch(final MotionEvent event) {
 379                 if (event.getAction() == MotionEvent.ACTION_UP) {
 380                     AuthenticatorActivity.this.onViewPasswordClick();
 381                 }
 382                 return true;
 383             }
 384         });
 385
 386         findViewById(R.id.scroll).setOnTouchListener(new OnTouchListener() {
 387             @Override
 388             public boolean onTouch(View view, MotionEvent event) {
 389                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 390                     if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
 391                             mHostUrlInput.hasFocus()) {
 392                         checkOcServer();
 393                     }
 394                 }
 395                 return false;
 396             }
 397         });
 398     }
 399
 400
 401
 402     private void initAuthorizationMethod() {
 403         boolean oAuthRequired = false;
 404         boolean samlWebSsoRequired = false;
 405
 406         mAuthTokenType = getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 407         mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 408
 409         // TODO could be a good moment to validate the received token type, if not null
 410
 411         if (mAuthTokenType == null) {
 412             if (mAccount != null) {
 413                 /// same authentication method than the one used to create the account to update
 414                 oAuthRequired = (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2) != null);
 415                 samlWebSsoRequired = (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO) != null);
 416
 417             } else {
 418                 /// use the one set in setup.xml
 419                 oAuthRequired = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
 420                 samlWebSsoRequired = AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));
 421             }
 422             if (oAuthRequired) {
 423                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
 424             } else if (samlWebSsoRequired) {
 425                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 426             } else {
 427                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 428             }
 429         }
 430
 431         if (mAccount != null) {
 432             String userName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 433             mUsernameInput.setText(userName);
 434         }
 435
 436         mOAuth2Check.setChecked(AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType));
 437
 438     }
 439
 440     /**
 441      * Saves relevant state before {@link #onPause()}
 442      *
 443      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag, intended to defer the
 444      * processing of the redirection caught in {@link #onNewIntent(Intent)} until {@link #onResume()}
 445      *
 446      * See {@link #loadSavedInstanceState(Bundle)}
 447      */
 448     @Override
 449     protected void onSaveInstanceState(Bundle outState) {
 450         super.onSaveInstanceState(outState);
 451
 452         /// connection state and info
 453         outState.putInt(KEY_AUTH_MESSAGE_VISIBILITY, mAuthMessage.getVisibility());
 454         outState.putString(KEY_AUTH_MESSAGE_TEXT, mAuthMessage.getText().toString());
 455         outState.putInt(KEY_SERVER_STATUS_TEXT, mServerStatusText);
 456         outState.putInt(KEY_SERVER_STATUS_ICON, mServerStatusIcon);
 457         outState.putBoolean(KEY_SERVER_VALID, mServerIsValid);
 458         outState.putBoolean(KEY_SERVER_CHECKED, mServerIsChecked);
 459         outState.putBoolean(KEY_SERVER_CHECK_IN_PROGRESS, (!mServerIsValid && mOcServerChkOperation != null));
 460         outState.putBoolean(KEY_IS_SSL_CONN, mIsSslConn);
 461         outState.putBoolean(KEY_PASSWORD_VISIBLE, isPasswordVisible());
 462         outState.putInt(KEY_AUTH_STATUS_ICON, mAuthStatusIcon);
 463         outState.putInt(KEY_AUTH_STATUS_TEXT, mAuthStatusText);
 464
 465         /// server data
 466         if (mDiscoveredVersion != null) {
 467             outState.putString(KEY_OC_VERSION, mDiscoveredVersion.getVersion());
 468             outState.putString(KEY_OC_VERSION_STRING, mDiscoveredVersion.getVersionString());
 469         }
 470         outState.putString(KEY_HOST_URL_TEXT, mHostBaseUrl);
 471
 472         /// account data, if updating
 473         if (mAccount != null) {
 474             outState.putParcelable(KEY_ACCOUNT, mAccount);
 475         }
 476         outState.putString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE, mAuthTokenType);
 477
 478         // refresh button enabled
 479         outState.putBoolean(KEY_REFRESH_BUTTON_ENABLED, (mRefreshButton.getVisibility() == View.VISIBLE));
 480
 481
 482     }
 483
 484
 485     /**
 486      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION request
 487      * is caught here.
 488      *
 489      * To make this possible, this activity needs to be qualified with android:launchMode = "singleTask" in the
 490      * AndroidManifest.xml file.
 491      */
 492     @Override
 493     protected void onNewIntent (Intent intent) {
 494         Log_OC.d(TAG, "onNewIntent()");
 495         Uri data = intent.getData();
 496         if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) {
 497             mNewCapturedUriFromOAuth2Redirection = data;
 498         }
 499     }
 500
 501
 502     /**
 503      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION, and
 504      * deferred in {@link #onNewIntent(Intent)}, is processed here.
 505      */
 506     @Override
 507     protected void onResume() {
 508         super.onResume();
 509         if (mAction == ACTION_UPDATE_TOKEN && mJustCreated && getIntent().getBooleanExtra(EXTRA_ENFORCED_UPDATE, false)) {
 510             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 511                 //Toast.makeText(this, R.string.auth_expired_oauth_token_toast, Toast.LENGTH_LONG).show();
 512                 showAuthMessage(getString(R.string.auth_expired_oauth_token_toast));
 513             } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 514                 //Toast.makeText(this, R.string.auth_expired_saml_sso_token_toast, Toast.LENGTH_LONG).show();
 515                 showAuthMessage(getString(R.string.auth_expired_saml_sso_token_toast));
 516             } else {
 517                 //Toast.makeText(this, R.string.auth_expired_basic_auth_toast, Toast.LENGTH_LONG).show();
 518                 showAuthMessage(getString(R.string.auth_expired_basic_auth_toast));
 519             }
 520         }
 521
 522         if (mNewCapturedUriFromOAuth2Redirection != null) {
 523             getOAuth2AccessTokenFromCapturedRedirection();
 524         }
 525
 526         mJustCreated = false;
 527
 528     }
 529
 530
 531     /**
 532      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 533      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 534      */
 535     private void getOAuth2AccessTokenFromCapturedRedirection() {
 536         /// Parse data from OAuth redirection
 537         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 538         mNewCapturedUriFromOAuth2Redirection = null;
 539
 540         /// Showing the dialog with instructions for the user.
 541         showDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
 542
 543         /// GET ACCESS TOKEN to the oAuth server
 544         RemoteOperation operation = new OAuth2GetAccessToken(   getString(R.string.oauth2_client_id),
 545                 getString(R.string.oauth2_redirect_uri),
 546                 getString(R.string.oauth2_grant_type),
 547                 queryParameters);
 548         //OwnCloudClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(getString(R.string.oauth2_url_endpoint_access)), getApplicationContext());
 549         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mOAuthTokenEndpointText.getText().toString().trim()), getApplicationContext(), true);
 550         operation.execute(client, this, mHandler);
 551     }
 552
 553
 554
 555     /**
 556      * Handles the change of focus on the text inputs for the server URL and the password
 557      */
 558     public void onFocusChange(View view, boolean hasFocus) {
 559         if (view.getId() == R.id.hostUrlInput) {
 560             if (!hasFocus) {
 561                 onUrlInputFocusLost((TextView) view);
 562             }
 563             else {
 564                 hideRefreshButton();
 565             }
 566
 567         } else if (view.getId() == R.id.account_password) {
 568             onPasswordFocusChanged((TextView) view, hasFocus);
 569         }
 570     }
 571
 572
 573     /**
 574      * Handles changes in focus on the text input for the server URL.
 575      *
 576      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 577      * other field. The operation to check the existence of the server in the entered URL is
 578      * started.
 579      *
 580      * When hasFocus:    user 'comes back' to write again the server URL.
 581      *
 582      * @param hostInput     TextView with the URL input field receiving the change of focus.
 583      */
 584     private void onUrlInputFocusLost(TextView hostInput) {
 585         if (!mHostBaseUrl.equals(normalizeUrl(mHostUrlInput.getText().toString()))) {
 586             checkOcServer();
 587         } else {
 588             mOkButton.setEnabled(mServerIsValid);
 589             if (!mServerIsValid) {
 590                 showRefreshButton();
 591             }
 592         }
 593     }
 594
 595
 596     private void checkOcServer() {
 597         String uri = trimUrlWebdav(mHostUrlInput.getText().toString().trim());
 598
 599         if (!mHostUrlInputEnabled){
 600             uri = getString(R.string.server_url);
 601         }
 602
 603         mServerIsValid = false;
 604         mServerIsChecked = false;
 605         mOkButton.setEnabled(false);
 606         mDiscoveredVersion = null;
 607         hideRefreshButton();
 608         if (uri.length() != 0) {
 609             mServerStatusText = R.string.auth_testing_connection;
 610             mServerStatusIcon = R.drawable.progress_small;
 611             showServerStatus();
 612             mOcServerChkOperation = new  GetRemoteStatusOperation(uri, this);
 613             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(uri), this, true);
 614             mOperationThread = mOcServerChkOperation.execute(client, this, mHandler);
 615         } else {
 616             mServerStatusText = 0;
 617             mServerStatusIcon = 0;
 618             showServerStatus();
 619         }
 620     }
 621
 622
 623     /**
 624      * Handles changes in focus on the text input for the password (basic authorization).
 625      *
 626      * When (hasFocus), the button to toggle password visibility is shown.
 627      *
 628      * When (!hasFocus), the button is made invisible and the password is hidden.
 629      *
 630      * @param passwordInput    TextView with the password input field receiving the change of focus.
 631      * @param hasFocus          'True' if focus is received, 'false' if is lost
 632      */
 633     private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {
 634         if (hasFocus) {
 635             showViewPasswordButton();
 636         } else {
 637             hidePassword();
 638             hidePasswordButton();
 639         }
 640     }
 641
 642
 643     private void showViewPasswordButton() {
 644         //int drawable = android.R.drawable.ic_menu_view;
 645         int drawable = R.drawable.ic_view;
 646         if (isPasswordVisible()) {
 647             //drawable = android.R.drawable.ic_secure;
 648             drawable = R.drawable.ic_hide;
 649         }
 650         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 651     }
 652
 653     private boolean isPasswordVisible() {
 654         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 655     }
 656
 657     private void hidePasswordButton() {
 658         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 659     }
 660
 661     private void showPassword() {
 662         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 663         showViewPasswordButton();
 664     }
 665
 666     private void hidePassword() {
 667         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
 668         showViewPasswordButton();
 669     }
 670
 671
 672     /**
 673      * Cancels the authenticator activity
 674      *
 675      * IMPORTANT ENTRY POINT 3: Never underestimate the importance of cancellation
 676      *
 677      * This method is bound in the layout/acceoun_setup.xml resource file.
 678      *
 679      * @param view      Cancel button
 680      */
 681     public void onCancelClick(View view) {
 682         setResult(RESULT_CANCELED);     // TODO review how is this related to AccountAuthenticator (debugging)
 683         finish();
 684     }
 685
 686
 687
 688     /**
 689      * Checks the credentials of the user in the root of the ownCloud server
 690      * before creating a new local account.
 691      *
 692      * For basic authorization, a check of existence of the root folder is
 693      * performed.
 694      *
 695      * For OAuth, starts the flow to get an access token; the credentials test
 696      * is postponed until it is available.
 697      *
 698      * IMPORTANT ENTRY POINT 4
 699      *
 700      * @param view      OK button
 701      */
 702     public void onOkClick(View view) {
 703         // this check should be unnecessary
 704         if (mDiscoveredVersion == null || !mDiscoveredVersion.isVersionValid()  || mHostBaseUrl == null || mHostBaseUrl.length() == 0) {
 705             mServerStatusIcon = R.drawable.common_error;
 706             mServerStatusText = R.string.auth_wtf_reenter_URL;
 707             showServerStatus();
 708             mOkButton.setEnabled(false);
 709             Log_OC.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");
 710             return;
 711         }
 712
 713         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 714             startOauthorization();
 715         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 716             startSamlBasedFederatedSingleSignOnAuthorization();
 717         } else {
 718             checkBasicAuthorization();
 719         }
 720     }
 721
 722
 723     /**
 724      * Tests the credentials entered by the user performing a check of existence on
 725      * the root folder of the ownCloud server.
 726      */
 727     private void checkBasicAuthorization() {
 728         /// get the path to the root folder through WebDAV from the version server
 729         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 730
 731         /// get basic credentials entered by user
 732         String username = mUsernameInput.getText().toString();
 733         String password = mPasswordInput.getText().toString();
 734
 735         /// be gentle with the user
 736         showDialog(DIALOG_LOGIN_PROGRESS);
 737
 738         /// test credentials accessing the root folder
 739         mAuthCheckOperation = new  ExistenceCheckRemoteOperation("", this, false);
 740         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, true);
 741         client.setBasicCredentials(username, password);
 742         mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
 743     }
 744
 745
 746     /**
 747      * Starts the OAuth 'grant type' flow to get an access token, with
 748      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 749      */
 750     private void startOauthorization() {
 751         // be gentle with the user
 752         mAuthStatusIcon = R.drawable.progress_small;
 753         mAuthStatusText = R.string.oauth_login_connection;
 754         showAuthStatus();
 755
 756
 757         // GET AUTHORIZATION request
 758         //Uri uri = Uri.parse(getString(R.string.oauth2_url_endpoint_auth));
 759         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 760         Uri.Builder uriBuilder = uri.buildUpon();
 761         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type));
 762         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri));
 763         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id));
 764         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope));
 765         //uriBuilder.appendQueryParameter(OAuth2Constants.KEY_STATE, whateverwewant);
 766         uri = uriBuilder.build();
 767         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 768         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 769         startActivity(i);
 770     }
 771
 772
 773     /**
 774      * Starts the Web Single Sign On flow to get access to the root folder
 775      * in the server.
 776      */
 777     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 778         // be gentle with the user
 779         mAuthStatusIcon = R.drawable.progress_small;
 780         mAuthStatusText = R.string.auth_connecting_auth_server;
 781         showAuthStatus();
 782         showDialog(DIALOG_LOGIN_PROGRESS);
 783
 784         /// get the path to the root folder through WebDAV from the version server
 785         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 786
 787         /// test credentials accessing the root folder
 788         mAuthCheckOperation = new  ExistenceCheckRemoteOperation("", this, false);
 789         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, false);
 790         mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
 791
 792     }
 793
 794     /**
 795      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 796      *
 797      * Dispatches the operation flow to the right method.
 798      */
 799     @Override
 800     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 801
 802         if (operation instanceof GetRemoteStatusOperation) {
 803             onOcServerCheckFinish((GetRemoteStatusOperation) operation, result);
 804
 805         } else if (operation instanceof OAuth2GetAccessToken) {
 806             onGetOAuthAccessTokenFinish((OAuth2GetAccessToken)operation, result);
 807
 808         } else if (operation instanceof ExistenceCheckRemoteOperation)  {
 809             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 810                 onSamlBasedFederatedSingleSignOnAuthorizationStart(operation, result);
 811
 812             } else {
 813                 onAuthorizationCheckFinish((ExistenceCheckRemoteOperation)operation, result);
 814             }
 815         } else if (operation instanceof GetRemoteUserNameOperation) {
 816             onGetUserNameFinish((GetRemoteUserNameOperation) operation, result);
 817
 818         }
 819
 820     }
 821
 822     private void onGetUserNameFinish(GetRemoteUserNameOperation operation, RemoteOperationResult result) {
 823
 824         if (result.isSuccess()) {
 825             boolean success = false;
 826             String username = operation.getUserName();
 827
 828             if ( mAction == ACTION_CREATE) {
 829                 mUsernameInput.setText(username);
 830                 success = createAccount();
 831             } else {
 832
 833                 if (!mUsernameInput.getText().toString().equals(username)) {
 834                     // fail - not a new account, but an existing one; disallow
 835                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
 836                     updateAuthStatusIconAndText(result);
 837                     showAuthStatus();
 838                     Log_OC.d(TAG, result.getLogMessage());
 839                 } else {
 840                   updateToken();
 841                   success = true;
 842                 }
 843             }
 844
 845             if (success)
 846                 finish();
 847         } else {
 848             updateStatusIconFailUserName();
 849             showAuthStatus();
 850             Log_OC.e(TAG, "Access to user name failed: " + result.getLogMessage());
 851         }
 852
 853     }
 854
 855     private void onSamlBasedFederatedSingleSignOnAuthorizationStart(RemoteOperation operation, RemoteOperationResult result) {
 856         try {
 857             dismissDialog(DIALOG_LOGIN_PROGRESS);
 858         } catch (IllegalArgumentException e) {
 859             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
 860         }
 861
 862         //if (result.isTemporalRedirection() && result.isIdPRedirection()) {
 863         if (result.isIdPRedirection()) {
 864             String url = result.getRedirectedLocation();
 865             String targetUrl = mHostBaseUrl + AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 866
 867             // Show dialog
 868             mSamlDialog = SamlWebViewDialog.newInstance(url, targetUrl);
 869             mSamlDialog.show(getSupportFragmentManager(), TAG_SAML_DIALOG);
 870
 871             mAuthStatusIcon = 0;
 872             mAuthStatusText = 0;
 873
 874         } else {
 875             mAuthStatusIcon = R.drawable.common_error;
 876             mAuthStatusText = R.string.auth_unsupported_auth_method;
 877
 878         }
 879         showAuthStatus();
 880     }
 881
 882
 883     /**
 884      * Processes the result of the server check performed when the user finishes the enter of the
 885      * server URL.
 886      *
 887      * @param operation     Server check performed.
 888      * @param result        Result of the check.
 889      */
 890     private void onOcServerCheckFinish(GetRemoteStatusOperation operation, RemoteOperationResult result) {
 891         if (operation.equals(mOcServerChkOperation)) {
 892             /// save result state
 893             mServerIsChecked = true;
 894             mServerIsValid = result.isSuccess();
 895             mIsSslConn = (result.getCode() == ResultCode.OK_SSL);
 896             mOcServerChkOperation = null;
 897
 898
 899             /// retrieve discovered version and normalize server URL
 900             mDiscoveredVersion = operation.getDiscoveredVersion();
 901             mHostBaseUrl = normalizeUrl(mHostUrlInput.getText().toString());
 902
 903             /// update status icon and text
 904             if (mServerIsValid) {
 905                 hideRefreshButton();
 906                 // Try to create an account with user and pass "", to know if it is a regular server
 907                 // Update connect button in the answer of this method
 908                 tryEmptyAuthorization();
 909             } else {
 910                 showRefreshButton();
 911             }
 912             updateServerStatusIconAndText(result);
 913             showServerStatus();
 914
 915             /// very special case (TODO: move to a common place for all the remote operations)
 916             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
 917                 showUntrustedCertDialog(result);
 918             }
 919
 920
 921         }   // else nothing ; only the last check operation is considered;
 922         // multiple can be triggered if the user amends a URL before a previous check can be triggered
 923     }
 924
 925
 926     /**
 927      *  Try to access with  user/pass ""/"", to know if it is a regular server
 928      */
 929     private void tryEmptyAuthorization() {
 930         mTryEmptyAuthorization = true;
 931
 932         Log_OC.d(TAG, "Trying empty authorization to detect authentication method");
 933
 934         /// get the path to the root folder through WebDAV from the version server
 935         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 936
 937         /// get basic credentials entered by user
 938         String username = "";
 939         String password = "";
 940
 941         /// test credentials
 942         mAuthCheckOperation = new  ExistenceCheckRemoteOperation("", this, false);
 943         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, true);
 944         client.setBasicCredentials(username, password);
 945         mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
 946     }
 947
 948
 949     private String normalizeUrl(String url) {
 950         if (url != null && url.length() > 0) {
 951             url = url.trim();
 952             if (!url.toLowerCase().startsWith("http://") &&
 953                     !url.toLowerCase().startsWith("https://")) {
 954                 if (mIsSslConn) {
 955                     url = "https://" + url;
 956                 } else {
 957                     url = "http://" + url;
 958                 }
 959             }
 960
 961             // OC-208: Add suffix remote.php/webdav to normalize (OC-34)
 962             url = trimUrlWebdav(url);
 963
 964             if (url.endsWith("/")) {
 965                 url = url.substring(0, url.length() - 1);
 966             }
 967
 968         }
 969         return (url != null ? url : "");
 970     }
 971
 972
 973     private String trimUrlWebdav(String url){
 974         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){
 975             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length());
 976         } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){
 977             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length());
 978         } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){
 979             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length());
 980         }
 981         return (url != null ? url : "");
 982     }
 983
 984
 985     /**
 986      * Chooses the right icon and text to show to the user for the received operation result.
 987      *
 988      * @param result    Result of a remote operation performed in this activity
 989      */
 990     private void updateServerStatusIconAndText(RemoteOperationResult result) {
 991         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
 992
 993         switch (result.getCode()) {
 994         case OK_SSL:
 995             mServerStatusIcon = android.R.drawable.ic_secure;
 996             mServerStatusText = R.string.auth_secure_connection;
 997             break;
 998
 999         case OK_NO_SSL:
1000         case OK:
1001             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1002                 mServerStatusText = R.string.auth_connection_established;
1003                 mServerStatusIcon = R.drawable.ic_ok;
1004             } else {
1005                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1006                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
1007             }
1008             break;
1009
1010         case NO_NETWORK_CONNECTION:
1011             mServerStatusIcon = R.drawable.no_network;
1012             mServerStatusText = R.string.auth_no_net_conn_title;
1013             break;
1014
1015         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1016             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1017             break;
1018         case BAD_OC_VERSION:
1019             mServerStatusText = R.string.auth_bad_oc_version_title;
1020             break;
1021         case WRONG_CONNECTION:
1022             mServerStatusText = R.string.auth_wrong_connection_title;
1023             break;
1024         case TIMEOUT:
1025             mServerStatusText = R.string.auth_timeout_title;
1026             break;
1027         case INCORRECT_ADDRESS:
1028             mServerStatusText = R.string.auth_incorrect_address_title;
1029             break;
1030         case SSL_ERROR:
1031             mServerStatusText = R.string.auth_ssl_general_error_title;
1032             break;
1033         case UNAUTHORIZED:
1034             mServerStatusText = R.string.auth_unauthorized;
1035             break;
1036         case HOST_NOT_AVAILABLE:
1037             mServerStatusText = R.string.auth_unknown_host_title;
1038             break;
1039         case INSTANCE_NOT_CONFIGURED:
1040             mServerStatusText = R.string.auth_not_configured_title;
1041             break;
1042         case FILE_NOT_FOUND:
1043             mServerStatusText = R.string.auth_incorrect_path_title;
1044             break;
1045         case OAUTH2_ERROR:
1046             mServerStatusText = R.string.auth_oauth_error;
1047             break;
1048         case OAUTH2_ERROR_ACCESS_DENIED:
1049             mServerStatusText = R.string.auth_oauth_error_access_denied;
1050             break;
1051         case UNHANDLED_HTTP_CODE:
1052         case UNKNOWN_ERROR:
1053             mServerStatusText = R.string.auth_unknown_error_title;
1054             break;
1055         default:
1056             mServerStatusText = 0;
1057             mServerStatusIcon = 0;
1058         }
1059     }
1060
1061
1062     /**
1063      * Chooses the right icon and text to show to the user for the received operation result.
1064      *
1065      * @param result    Result of a remote operation performed in this activity
1066      */
1067     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1068         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1069
1070         switch (result.getCode()) {
1071         case OK_SSL:
1072             mAuthStatusIcon = android.R.drawable.ic_secure;
1073             mAuthStatusText = R.string.auth_secure_connection;
1074             break;
1075
1076         case OK_NO_SSL:
1077         case OK:
1078             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1079                 mAuthStatusText = R.string.auth_connection_established;
1080                 mAuthStatusIcon = R.drawable.ic_ok;
1081             } else {
1082                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1083                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
1084             }
1085             break;
1086
1087         case NO_NETWORK_CONNECTION:
1088             mAuthStatusIcon = R.drawable.no_network;
1089             mAuthStatusText = R.string.auth_no_net_conn_title;
1090             break;
1091
1092         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1093             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1094             break;
1095         case BAD_OC_VERSION:
1096             mAuthStatusText = R.string.auth_bad_oc_version_title;
1097             break;
1098         case WRONG_CONNECTION:
1099             mAuthStatusText = R.string.auth_wrong_connection_title;
1100             break;
1101         case TIMEOUT:
1102             mAuthStatusText = R.string.auth_timeout_title;
1103             break;
1104         case INCORRECT_ADDRESS:
1105             mAuthStatusText = R.string.auth_incorrect_address_title;
1106             break;
1107         case SSL_ERROR:
1108             mAuthStatusText = R.string.auth_ssl_general_error_title;
1109             break;
1110         case UNAUTHORIZED:
1111             mAuthStatusText = R.string.auth_unauthorized;
1112             break;
1113         case HOST_NOT_AVAILABLE:
1114             mAuthStatusText = R.string.auth_unknown_host_title;
1115             break;
1116         case INSTANCE_NOT_CONFIGURED:
1117             mAuthStatusText = R.string.auth_not_configured_title;
1118             break;
1119         case FILE_NOT_FOUND:
1120             mAuthStatusText = R.string.auth_incorrect_path_title;
1121             break;
1122         case OAUTH2_ERROR:
1123             mAuthStatusText = R.string.auth_oauth_error;
1124             break;
1125         case OAUTH2_ERROR_ACCESS_DENIED:
1126             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1127             break;
1128         case ACCOUNT_NOT_NEW:
1129             mAuthStatusText = R.string.auth_account_not_new;
1130             break;
1131         case ACCOUNT_NOT_THE_SAME:
1132             mAuthStatusText = R.string.auth_account_not_the_same;
1133             break;
1134         case UNHANDLED_HTTP_CODE:
1135         case UNKNOWN_ERROR:
1136             mAuthStatusText = R.string.auth_unknown_error_title;
1137             break;
1138         default:
1139             mAuthStatusText = 0;
1140             mAuthStatusIcon = 0;
1141         }
1142     }
1143
1144
1145     private void updateStatusIconFailUserName(){
1146         mAuthStatusIcon = android.R.drawable.ic_secure;
1147         mAuthStatusText = R.string.auth_fail_get_user_name;
1148     }
1149
1150     /**
1151      * Processes the result of the request for and access token send
1152      * to an OAuth authorization server.
1153      *
1154      * @param operation     Operation performed requesting the access token.
1155      * @param result        Result of the operation.
1156      */
1157     private void onGetOAuthAccessTokenFinish(OAuth2GetAccessToken operation, RemoteOperationResult result) {
1158         try {
1159             dismissDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
1160         } catch (IllegalArgumentException e) {
1161             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
1162         }
1163
1164         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
1165         if (result.isSuccess() && webdav_path != null) {
1166             /// be gentle with the user
1167             showDialog(DIALOG_LOGIN_PROGRESS);
1168
1169             /// time to test the retrieved access token on the ownCloud server
1170             mAuthToken = ((OAuth2GetAccessToken)operation).getResultTokenMap().get(OAuth2Constants.KEY_ACCESS_TOKEN);
1171             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1172             mAuthCheckOperation = new ExistenceCheckRemoteOperation("", this, false);
1173             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, true);
1174             client.setBearerCredentials(mAuthToken);
1175             mAuthCheckOperation.execute(client, this, mHandler);
1176
1177         } else {
1178             updateAuthStatusIconAndText(result);
1179             showAuthStatus();
1180             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1181         }
1182     }
1183
1184
1185     /**
1186      * Processes the result of the access check performed to try the user credentials.
1187      *
1188      * Creates a new account through the AccountManager.
1189      *
1190      * @param operation     Access check performed.
1191      * @param result        Result of the operation.
1192      */
1193     private void onAuthorizationCheckFinish(ExistenceCheckRemoteOperation operation, RemoteOperationResult result) {
1194         try {
1195             dismissDialog(DIALOG_LOGIN_PROGRESS);
1196         } catch (IllegalArgumentException e) {
1197             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
1198         }
1199
1200         if (result.isSuccess()) {
1201
1202             if (mTryEmptyAuthorization) {
1203                 //allow or not the user try to access the server
1204                 mOkButton.setEnabled(false);
1205                 mTryEmptyAuthorization = false;
1206                 mServerIsValid = false;
1207                //show an alert message
1208                showAlertMessageDialog(R.string.common_alert_title, R.string.auth_unsupported_auth_method);
1209
1210             } else {
1211                 Log_OC.d(TAG, "Successful access - time to save the account");
1212
1213                 boolean success = false;
1214                 if (mAction == ACTION_CREATE) {
1215                     success = createAccount();
1216
1217                 } else {
1218                     updateToken();
1219                     success = true;
1220                 }
1221
1222                 if (success) {
1223                     finish();
1224                 }
1225             }
1226
1227         } else {
1228             if (mTryEmptyAuthorization) {
1229                 mTryEmptyAuthorization = false;
1230                 mOkButton.setEnabled(true);
1231
1232             } else if (result.isServerFail() || result.isException()) {
1233                 /// if server fail or exception in authorization, the UI is updated as when a server check failed
1234                 mServerIsChecked = true;
1235                 mServerIsValid = false;
1236                 mIsSslConn = false;
1237                 mOcServerChkOperation = null;
1238                 mDiscoveredVersion = null;
1239                 mHostBaseUrl = normalizeUrl(mHostUrlInput.getText().toString());
1240
1241                 // update status icon and text
1242                 updateServerStatusIconAndText(result);
1243                 showServerStatus();
1244                 mAuthStatusIcon = 0;
1245                 mAuthStatusText = 0;
1246                 showAuthStatus();
1247
1248                 // update input controls state
1249                 showRefreshButton();
1250                 mOkButton.setEnabled(false);
1251
1252                 // very special case (TODO: move to a common place for all the remote operations) (dangerous here?)
1253                 if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1254                     showUntrustedCertDialog(result);
1255                 }
1256
1257             } else {    // authorization fail due to client side - probably wrong credentials
1258                 updateAuthStatusIconAndText(result);
1259                 showAuthStatus();
1260                 Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1261             }
1262         }
1263
1264     }
1265
1266
1267     /**
1268      * Sets the proper response to get that the Account Authenticator that started this activity saves
1269      * a new authorization token for mAccount.
1270      */
1271     private void updateToken() {
1272         Bundle response = new Bundle();
1273         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1274         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1275
1276         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1277             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1278             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1279             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1280
1281         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1282
1283             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1284             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1285             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1286
1287         } else {
1288             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1289             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1290         }
1291         setAccountAuthenticatorResult(response);
1292
1293     }
1294
1295
1296     /**
1297      * Creates a new account through the Account Authenticator that started this activity.
1298      *
1299      * This makes the account permanent.
1300      *
1301      * TODO Decide how to name the OAuth accounts
1302      */
1303     private boolean createAccount() {
1304         /// create and save new ownCloud account
1305         boolean isOAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1306         boolean isSaml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1307
1308         Uri uri = Uri.parse(mHostBaseUrl);
1309         String username = mUsernameInput.getText().toString().trim();
1310         if (isOAuth) {
1311             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1312         }
1313         String accountName = username + "@" + uri.getHost();
1314         if (uri.getPort() >= 0) {
1315             accountName += ":" + uri.getPort();
1316         }
1317         mAccount = new Account(accountName, MainApp.getAccountType());
1318         if (AccountUtils.exists(mAccount, getApplicationContext())) {
1319             // fail - not a new account, but an existing one; disallow
1320             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1321             updateAuthStatusIconAndText(result);
1322             showAuthStatus();
1323             Log_OC.d(TAG, result.getLogMessage());
1324             return false;
1325
1326         } else {
1327
1328             if (isOAuth || isSaml) {
1329                 mAccountMgr.addAccountExplicitly(mAccount, "", null);  // with external authorizations, the password is never input in the app
1330             } else {
1331                 mAccountMgr.addAccountExplicitly(mAccount, mPasswordInput.getText().toString(), null);
1332             }
1333
1334             /// add the new account as default in preferences, if there is none already
1335             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1336             if (defaultAccount == null) {
1337                 SharedPreferences.Editor editor = PreferenceManager
1338                         .getDefaultSharedPreferences(this).edit();
1339                 editor.putString("select_oc_account", accountName);
1340                 editor.commit();
1341             }
1342
1343             /// prepare result to return to the Authenticator
1344             //  TODO check again what the Authenticator makes with it; probably has the same effect as addAccountExplicitly, but it's not well done
1345             final Intent intent = new Intent();
1346             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1347             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1348             /*if (!isOAuth)
1349                 intent.putExtra(AccountManager.KEY_AUTHTOKEN,   MainApp.getAccountType()); */
1350             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1351             if (isOAuth || isSaml) {
1352                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1353             }
1354             /// add user data to the new account; TODO probably can be done in the last parameter addAccountExplicitly, or in KEY_USERDATA
1355             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_VERSION,         mDiscoveredVersion.getVersion());
1356             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_VERSION_STRING,  mDiscoveredVersion.getVersionString());
1357             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_BASE_URL,   mHostBaseUrl);
1358
1359             if (isSaml) {
1360                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1361             } else if (isOAuth) {
1362                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1363             }
1364
1365             setAccountAuthenticatorResult(intent.getExtras());
1366             setResult(RESULT_OK, intent);
1367
1368             return true;
1369         }
1370     }
1371
1372
1373     /**
1374      * {@inheritDoc}
1375      *
1376      * Necessary to update the contents of the SSL Dialog
1377      *
1378      * TODO move to some common place for all possible untrusted SSL failures
1379      */
1380     @Override
1381     protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
1382         switch (id) {
1383         case DIALOG_LOGIN_PROGRESS:
1384         case DIALOG_CERT_NOT_SAVED:
1385         case DIALOG_OAUTH2_LOGIN_PROGRESS:
1386             break;
1387         default:
1388             Log_OC.e(TAG, "Incorrect dialog called with id = " + id);
1389         }
1390     }
1391
1392
1393     /**
1394      * {@inheritDoc}
1395      */
1396     @Override
1397     protected Dialog onCreateDialog(int id) {
1398         Dialog dialog = null;
1399         switch (id) {
1400         case DIALOG_LOGIN_PROGRESS: {
1401             /// simple progress dialog
1402             ProgressDialog working_dialog = new ProgressDialog(this);
1403             working_dialog.setMessage(getResources().getString(R.string.auth_trying_to_login));
1404             working_dialog.setIndeterminate(true);
1405             working_dialog.setCancelable(true);
1406             working_dialog
1407             .setOnCancelListener(new DialogInterface.OnCancelListener() {
1408                 @Override
1409                 public void onCancel(DialogInterface dialog) {
1410                     /// TODO study if this is enough
1411                     Log_OC.i(TAG, "Login canceled");
1412                     if (mOperationThread != null) {
1413                         mOperationThread.interrupt();
1414                         finish();
1415                     }
1416                 }
1417             });
1418             dialog = working_dialog;
1419             break;
1420         }
1421         case DIALOG_OAUTH2_LOGIN_PROGRESS: {
1422             ProgressDialog working_dialog = new ProgressDialog(this);
1423             working_dialog.setMessage(String.format("Getting authorization"));
1424             working_dialog.setIndeterminate(true);
1425             working_dialog.setCancelable(true);
1426             working_dialog
1427             .setOnCancelListener(new DialogInterface.OnCancelListener() {
1428                 @Override
1429                 public void onCancel(DialogInterface dialog) {
1430                     Log_OC.i(TAG, "Login canceled");
1431                     finish();
1432                 }
1433             });
1434             dialog = working_dialog;
1435             break;
1436         }
1437         case DIALOG_CERT_NOT_SAVED: {
1438             AlertDialog.Builder builder = new AlertDialog.Builder(this);
1439             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
1440             builder.setCancelable(false);
1441             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
1442                 @Override
1443                 public void onClick(DialogInterface dialog, int which) {
1444                     dialog.dismiss();
1445                 };
1446             });
1447             dialog = builder.create();
1448             break;
1449         }
1450         default:
1451             Log_OC.e(TAG, "Incorrect dialog called with id = " + id);
1452         }
1453         return dialog;
1454     }
1455
1456
1457     /**
1458      * Starts and activity to open the 'new account' page in the ownCloud web site
1459      *
1460      * @param view      'Account register' button
1461      */
1462     public void onRegisterClick(View view) {
1463         Intent register = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url)));
1464         setResult(RESULT_CANCELED);
1465         startActivity(register);
1466     }
1467
1468
1469     /**
1470      * Updates the content and visibility state of the icon and text associated
1471      * to the last check on the ownCloud server.
1472      */
1473     private void showServerStatus() {
1474         TextView tv = (TextView) findViewById(R.id.server_status_text);
1475
1476         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1477             tv.setVisibility(View.INVISIBLE);
1478
1479         } else {
1480             tv.setText(mServerStatusText);
1481             tv.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1482             tv.setVisibility(View.VISIBLE);
1483         }
1484
1485     }
1486
1487
1488     /**
1489      * Updates the content and visibility state of the icon and text associated
1490      * to the interactions with the OAuth authorization server.
1491      */
1492     private void showAuthStatus() {
1493         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1494             mAuthStatusLayout.setVisibility(View.INVISIBLE);
1495
1496         } else {
1497             mAuthStatusLayout.setText(mAuthStatusText);
1498             mAuthStatusLayout.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1499             mAuthStatusLayout.setVisibility(View.VISIBLE);
1500         }
1501     }
1502
1503
1504     private void showRefreshButton() {
1505         mRefreshButton.setVisibility(View.VISIBLE);
1506     }
1507
1508     private void hideRefreshButton() {
1509         mRefreshButton.setVisibility(View.GONE);
1510     }
1511
1512     /**
1513      * Called when the refresh button in the input field for ownCloud host is clicked.
1514      *
1515      * Performs a new check on the URL in the input field.
1516      *
1517      * @param view      Refresh 'button'
1518      */
1519     public void onRefreshClick(View view) {
1520         checkOcServer();
1521     }
1522
1523
1524     /**
1525      * Called when the eye icon in the password field is clicked.
1526      *
1527      * Toggles the visibility of the password in the field.
1528      */
1529     public void onViewPasswordClick() {
1530         int selectionStart = mPasswordInput.getSelectionStart();
1531         int selectionEnd = mPasswordInput.getSelectionEnd();
1532         if (isPasswordVisible()) {
1533             hidePassword();
1534         } else {
1535             showPassword();
1536         }
1537         mPasswordInput.setSelection(selectionStart, selectionEnd);
1538     }
1539
1540
1541     /**
1542      * Called when the checkbox for OAuth authorization is clicked.
1543      *
1544      * Hides or shows the input fields for user & password.
1545      *
1546      * @param view      'View password' 'button'
1547      */
1548     public void onCheckClick(View view) {
1549         CheckBox oAuth2Check = (CheckBox)view;
1550         if (oAuth2Check.isChecked()) {
1551             mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1552         } else {
1553             mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1554         }
1555         adaptViewAccordingToAuthenticationMethod();
1556     }
1557
1558
1559     /**
1560      * Changes the visibility of input elements depending on
1561      * the current authorization method.
1562      */
1563     private void adaptViewAccordingToAuthenticationMethod () {
1564         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1565             // OAuth 2 authorization
1566             mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
1567             mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
1568             mUsernameInput.setVisibility(View.GONE);
1569             mPasswordInput.setVisibility(View.GONE);
1570
1571         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1572             // SAML-based web Single Sign On
1573             mOAuthAuthEndpointText.setVisibility(View.GONE);
1574             mOAuthTokenEndpointText.setVisibility(View.GONE);
1575             mUsernameInput.setVisibility(View.GONE);
1576             mPasswordInput.setVisibility(View.GONE);
1577         } else {
1578             // basic HTTP authorization
1579             mOAuthAuthEndpointText.setVisibility(View.GONE);
1580             mOAuthTokenEndpointText.setVisibility(View.GONE);
1581             mUsernameInput.setVisibility(View.VISIBLE);
1582             mPasswordInput.setVisibility(View.VISIBLE);
1583         }
1584     }
1585
1586     /**
1587      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1588      *
1589      *  Used to trigger the authentication check when the user presses 'enter' after writing the password,
1590      *  or to throw the server test when the only field on screen is the URL input field.
1591      */
1592     @Override
1593     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1594         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null && inputField.equals(mPasswordInput)) {
1595             if (mOkButton.isEnabled()) {
1596                 mOkButton.performClick();
1597             }
1598
1599         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null && inputField.equals(mHostUrlInput)) {
1600             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1601                 checkOcServer();
1602             }
1603         }
1604         return false;   // always return false to grant that the software keyboard is hidden anyway
1605     }
1606
1607
1608     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1609
1610         private int fuzz = 75;
1611
1612         /**
1613          * {@inheritDoc}
1614          */
1615         @Override
1616         public boolean onTouch(View view, MotionEvent event) {
1617             Drawable rightDrawable = null;
1618             if (view instanceof TextView) {
1619                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1620                 if (drawables.length > 2) {
1621                     rightDrawable = drawables[2];
1622                 }
1623             }
1624             if (rightDrawable != null) {
1625                 final int x = (int) event.getX();
1626                 final int y = (int) event.getY();
1627                 final Rect bounds = rightDrawable.getBounds();
1628                 if (x >= (view.getRight() - bounds.width() - fuzz) && x <= (view.getRight() - view.getPaddingRight() + fuzz)
1629                     && y >= (view.getPaddingTop() - fuzz) && y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1630
1631                     return onDrawableTouch(event);
1632                 }
1633             }
1634             return false;
1635         }
1636
1637         public abstract boolean onDrawableTouch(final MotionEvent event);
1638     }
1639
1640
1641     public void onSamlDialogSuccess(String sessionCookie) {
1642         mAuthToken = sessionCookie;
1643
1644         if (sessionCookie != null && sessionCookie.length() > 0) {
1645             mAuthToken = sessionCookie;
1646
1647             GetRemoteUserNameOperation getUserOperation = new GetRemoteUserNameOperation();
1648             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl), getApplicationContext(), true);
1649             client.setSsoSessionCookie(mAuthToken);
1650             getUserOperation.execute(client, this, mHandler);
1651         }
1652
1653
1654     }
1655
1656
1657     @Override
1658     public void onSsoFinished(String sessionCookies) {
1659         //Toast.makeText(this, "got cookies: " + sessionCookie, Toast.LENGTH_LONG).show();
1660
1661         if (sessionCookies != null && sessionCookies.length() > 0) {
1662             Log_OC.d(TAG, "Successful SSO - time to save the account");
1663             onSamlDialogSuccess(sessionCookies);
1664             Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1665             if (fd != null && fd instanceof SherlockDialogFragment) {
1666                 Dialog d = ((SherlockDialogFragment)fd).getDialog();
1667                 if (d != null && d.isShowing()) {
1668                     d.dismiss();
1669                 }
1670             }
1671
1672         } else {
1673             // TODO - show fail
1674             Log_OC.d(TAG, "SSO failed");
1675         }
1676
1677     }
1678
1679     /** Show auth_message
1680      *
1681      * @param message
1682      */
1683     private void showAuthMessage(String message) {
1684        mAuthMessage.setVisibility(View.VISIBLE);
1685        mAuthMessage.setText(message);
1686     }
1687
1688     private void hideAuthMessage() {
1689         mAuthMessage.setVisibility(View.GONE);
1690     }
1691
1692     @Override
1693     public boolean onTouchEvent(MotionEvent event) {
1694         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
1695                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1696             checkOcServer();
1697         }
1698         return super.onTouchEvent(event);
1699     }
1700
1701
1702     /**
1703      * Show untrusted cert dialog
1704      */
1705     public void showUntrustedCertDialog(X509Certificate x509Certificate, SslError error, SslErrorHandler handler) {
1706         // Show a dialog with the certificate info
1707         SslUntrustedCertDialog dialog = null;
1708         if (x509Certificate == null) {
1709             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
1710         } else {
1711             dialog = SslUntrustedCertDialog.newInstanceForFullSslError(x509Certificate, error, handler);
1712         }
1713         FragmentManager fm = getSupportFragmentManager();
1714         FragmentTransaction ft = fm.beginTransaction();
1715         ft.addToBackStack(null);
1716         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1717     }
1718
1719     /**
1720      * Show untrusted cert dialog
1721      */
1722     public void showUntrustedCertDialog(RemoteOperationResult result) {
1723         // Show a dialog with the certificate info
1724         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1725         FragmentManager fm = getSupportFragmentManager();
1726         FragmentTransaction ft = fm.beginTransaction();
1727         ft.addToBackStack(null);
1728         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1729
1730     }
1731
1732     /**
1733      * Dismiss untrusted cert dialog
1734      */
1735     public void dismissUntrustedCertDialog(){
1736         /*Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_UNTRUSTED_CERT);
1737         if (frag != null) {
1738             SslErrorViewAdapter dialog = (SslErrorViewAdapter) frag;
1739             dialog.dismiss();
1740         }
1741         */
1742     }
1743
1744     /**
1745      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1746      */
1747     public void onSavedCertificate() {
1748         Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1749         if (fd == null) {
1750             // if SAML dialog is not shown, the SslDialog was shown due to an SSL error in the server check
1751             checkOcServer();
1752         }
1753     }
1754
1755     /**
1756      * Called from SslValidatorDialog when a new server certificate could not be saved
1757      * when the user requested it.
1758      */
1759     @Override
1760     public void onFailedSavingCertificate() {
1761         showDialog(DIALOG_CERT_NOT_SAVED);
1762         cancelWebView();
1763     }
1764
1765     @Override
1766     public void onCancelCertificate() {
1767         cancelWebView();
1768     }
1769
1770
1771     public void cancelWebView() {
1772         Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1773         if (fd != null && fd instanceof SherlockDialogFragment) {
1774             Dialog d = ((SherlockDialogFragment)fd).getDialog();
1775             if (d != null && d.isShowing()) {
1776                 d.dismiss();
1777             }
1778         }
1779
1780     }
1781
1782     private void showAlertMessageDialog(int tittle, int message) {
1783         DialogFragment newAlertMessage = AlertMessageDialog.newInstance(tittle, message);
1784         newAlertMessage.show(getSupportFragmentManager(), TAG_ALERT_MESSAGE_DIALOG);
1785     }
1786
1787 }