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.Fragment;
  39 import android.support.v4.app.FragmentManager;
  40 import android.support.v4.app.FragmentTransaction;
  41 import android.text.Editable;
  42 import android.text.InputType;
  43 import android.text.TextWatcher;
  44 import android.view.KeyEvent;
  45 import android.view.MotionEvent;
  46 import android.view.View;
  47 import android.view.View.OnFocusChangeListener;
  48 import android.view.View.OnTouchListener;
  49 import android.view.Window;
  50 import android.view.inputmethod.EditorInfo;
  51 import android.widget.Button;
  52 import android.widget.CheckBox;
  53 import android.widget.EditText;
  54 import android.widget.TextView;
  55 import android.widget.TextView.OnEditorActionListener;
  56
  57 import com.actionbarsherlock.app.SherlockDialogFragment;
  58 import com.owncloud.android.MainApp;
  59 import com.owncloud.android.R;
  60 import com.owncloud.android.authentication.SsoWebViewClient.SsoWebViewClientListener;
  61 import com.owncloud.android.lib.common.accounts.AccountTypeUtils;
  62 import com.owncloud.android.lib.common.accounts.AccountUtils.Constants;
  63 import com.owncloud.android.lib.common.OwnCloudClientFactory;
  64 import com.owncloud.android.lib.common.OwnCloudClient;
  65 import com.owncloud.android.operations.OAuth2GetAccessToken;
  66
  67 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  68 import com.owncloud.android.lib.resources.status.GetRemoteStatusOperation;
  69 import com.owncloud.android.lib.common.operations.RemoteOperation;
  70 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  71 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  72 import com.owncloud.android.lib.resources.files.ExistenceCheckRemoteOperation;
  73 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  74
  75 import com.owncloud.android.ui.dialog.SamlWebViewDialog;
  76 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  77 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  78 import com.owncloud.android.ui.dialog.SslValidatorDialog.OnSslValidatorListener;
  79 import com.owncloud.android.utils.Log_OC;
  80 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  81
  82 /**
  83  * This Activity is used to add an ownCloud account to the App
  84  *
  85  * @author Bartek Przybylski
  86  * @author David A. Velasco
  87  */
  88 public class AuthenticatorActivity extends AccountAuthenticatorActivity
  89     implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeListener, OnEditorActionListener,
  90     SsoWebViewClientListener, OnSslUntrustedCertListener {
  91
  92     private static final String TAG = AuthenticatorActivity.class.getSimpleName();
  93
  94     public static final String EXTRA_ACCOUNT = "ACCOUNT";
  95     public static final String EXTRA_USER_NAME = "USER_NAME";
  96     public static final String EXTRA_HOST_NAME = "HOST_NAME";
  97     public static final String EXTRA_ACTION = "ACTION";
  98     public static final String EXTRA_ENFORCED_UPDATE = "ENFORCE_UPDATE";
  99
 100     private static final String KEY_AUTH_MESSAGE_VISIBILITY = "AUTH_MESSAGE_VISIBILITY";
 101     private static final String KEY_AUTH_MESSAGE_TEXT = "AUTH_MESSAGE_TEXT";
 102     private static final String KEY_HOST_URL_TEXT = "HOST_URL_TEXT";
 103     private static final String KEY_OC_VERSION = "OC_VERSION";
 104     private static final String KEY_OC_VERSION_STRING = "OC_VERSION_STRING";
 105     private static final String KEY_ACCOUNT = "ACCOUNT";
 106     private static final String KEY_SERVER_VALID = "SERVER_VALID";
 107     private static final String KEY_SERVER_CHECKED = "SERVER_CHECKED";
 108     private static final String KEY_SERVER_CHECK_IN_PROGRESS = "SERVER_CHECK_IN_PROGRESS";
 109     private static final String KEY_SERVER_STATUS_TEXT = "SERVER_STATUS_TEXT";
 110     private static final String KEY_SERVER_STATUS_ICON = "SERVER_STATUS_ICON";
 111     private static final String KEY_IS_SSL_CONN = "IS_SSL_CONN";
 112     private static final String KEY_PASSWORD_VISIBLE = "PASSWORD_VISIBLE";
 113     private static final String KEY_AUTH_STATUS_TEXT = "AUTH_STATUS_TEXT";
 114     private static final String KEY_AUTH_STATUS_ICON = "AUTH_STATUS_ICON";
 115     private static final String KEY_REFRESH_BUTTON_ENABLED = "KEY_REFRESH_BUTTON_ENABLED";
 116     //private static final String KEY_IS_SHARED_SUPPORTED = "KEY_IS_SHARE_SUPPORTED";
 117
 118     private static final String AUTH_ON = "on";
 119     private static final String AUTH_OFF = "off";
 120     private static final String AUTH_OPTIONAL = "optional";
 121
 122     private static final int DIALOG_LOGIN_PROGRESS = 0;
 123     private static final int DIALOG_CERT_NOT_SAVED = 1;
 124     private static final int DIALOG_OAUTH2_LOGIN_PROGRESS = 2;
 125
 126     public static final byte ACTION_CREATE = 0;
 127     public static final byte ACTION_UPDATE_TOKEN = 1;
 128
 129     private static final String TAG_SAML_DIALOG = "samlWebViewDialog";
 130
 131     private String mHostBaseUrl;
 132     private OwnCloudVersion mDiscoveredVersion;
 133
 134     private String mAuthMessageText;
 135     private int mAuthMessageVisibility, mServerStatusText, mServerStatusIcon;
 136     private boolean mServerIsChecked, mServerIsValid, mIsSslConn;
 137     private int mAuthStatusText, mAuthStatusIcon;
 138     private TextView mAuthStatusLayout;
 139
 140     private final Handler mHandler = new Handler();
 141     private Thread mOperationThread;
 142     private GetRemoteStatusOperation mOcServerChkOperation;
 143     private ExistenceCheckRemoteOperation mAuthCheckOperation;
 144
 145     private Uri mNewCapturedUriFromOAuth2Redirection;
 146
 147     private AccountManager mAccountMgr;
 148     private boolean mJustCreated;
 149     private byte mAction;
 150     private Account mAccount;
 151
 152     private TextView mAuthMessage;
 153
 154     private EditText mHostUrlInput;
 155     private boolean mHostUrlInputEnabled;
 156     private View mRefreshButton;
 157
 158     private String mAuthTokenType;
 159
 160     private EditText mUsernameInput;
 161     private EditText mPasswordInput;
 162
 163     private CheckBox mOAuth2Check;
 164
 165     private TextView mOAuthAuthEndpointText;
 166     private TextView mOAuthTokenEndpointText;
 167
 168     private SamlWebViewDialog mSamlDialog;
 169
 170     private View mOkButton;
 171
 172     private String mAuthToken;
 173
 174     private boolean mResumed; // Control if activity is resumed
 175
 176     public static String DIALOG_UNTRUSTED_CERT = "DIALOG_UNTRUSTED_CERT";
 177
 178
 179     /**
 180      * {@inheritDoc}
 181      *
 182      * IMPORTANT ENTRY POINT 1: activity is shown to the user
 183      */
 184     @Override
 185     protected void onCreate(Bundle savedInstanceState) {
 186         super.onCreate(savedInstanceState);
 187         getWindow().requestFeature(Window.FEATURE_NO_TITLE);
 188
 189         /// set view and get references to view elements
 190         setContentView(R.layout.account_setup);
 191         mAuthMessage = (TextView) findViewById(R.id.auth_message);
 192         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 193         mHostUrlInput.setText(getString(R.string.server_url));  // valid although R.string.server_url is an empty string
 194         mUsernameInput = (EditText) findViewById(R.id.account_username);
 195         mPasswordInput = (EditText) findViewById(R.id.account_password);
 196         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 197         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 198         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 199         mOkButton = findViewById(R.id.buttonOK);
 200         mAuthStatusLayout = (TextView) findViewById(R.id.auth_status_text);
 201
 202         /// set Host Url Input Enabled
 203         mHostUrlInputEnabled = getResources().getBoolean(R.bool.show_server_url_input);
 204
 205         /// set visibility of link for new users
 206         boolean accountRegisterVisibility = getResources().getBoolean(R.bool.show_welcome_link);
 207         Button welcomeLink = (Button) findViewById(R.id.welcome_link);
 208         if (welcomeLink != null) {
 209             if (accountRegisterVisibility) {
 210                 welcomeLink.setVisibility(View.VISIBLE);
 211                 welcomeLink.setText(String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 212             } else {
 213                 findViewById(R.id.welcome_link).setVisibility(View.GONE);
 214             }
 215         }
 216
 217         /// initialization
 218         mAccountMgr = AccountManager.get(this);
 219         mNewCapturedUriFromOAuth2Redirection = null;
 220         mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE);
 221         mAccount = null;
 222         mHostBaseUrl = "";
 223         boolean refreshButtonEnabled = false;
 224
 225         // URL input configuration applied
 226         if (!mHostUrlInputEnabled)
 227         {
 228             findViewById(R.id.hostUrlFrame).setVisibility(View.GONE);
 229             mRefreshButton = findViewById(R.id.centeredRefreshButton);
 230
 231         } else {
 232             mRefreshButton = findViewById(R.id.embeddedRefreshButton);
 233         }
 234
 235         if (savedInstanceState == null) {
 236             mResumed = false;
 237             /// connection state and info
 238             mAuthMessageVisibility = View.GONE;
 239             mServerStatusText = mServerStatusIcon = 0;
 240             mServerIsValid = false;
 241             mServerIsChecked = false;
 242             mIsSslConn = false;
 243             mAuthStatusText = mAuthStatusIcon = 0;
 244
 245             /// retrieve extras from intent
 246             mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 247             if (mAccount != null) {
 248                 String ocVersion = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION);
 249                 String ocVersionString = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION_STRING);
 250                 if (ocVersion != null) {
 251                     mDiscoveredVersion = new OwnCloudVersion(ocVersion, ocVersionString);
 252                 }
 253                 mHostBaseUrl = normalizeUrl(mAccountMgr.getUserData(mAccount, Constants.KEY_OC_BASE_URL));
 254                 mHostUrlInput.setText(mHostBaseUrl);
 255                 String userName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 256                 mUsernameInput.setText(userName);
 257
 258             }
 259             initAuthorizationMethod();  // checks intent and setup.xml to determine mCurrentAuthorizationMethod
 260             mJustCreated = true;
 261
 262             if (mAction == ACTION_UPDATE_TOKEN || !mHostUrlInputEnabled) {
 263                 checkOcServer();
 264             }
 265
 266         } else {
 267             mResumed = true;
 268             /// connection state and info
 269             mAuthMessageVisibility = savedInstanceState.getInt(KEY_AUTH_MESSAGE_VISIBILITY);
 270             mAuthMessageText = savedInstanceState.getString(KEY_AUTH_MESSAGE_TEXT);
 271             mServerIsValid = savedInstanceState.getBoolean(KEY_SERVER_VALID);
 272             mServerIsChecked = savedInstanceState.getBoolean(KEY_SERVER_CHECKED);
 273             mServerStatusText = savedInstanceState.getInt(KEY_SERVER_STATUS_TEXT);
 274             mServerStatusIcon = savedInstanceState.getInt(KEY_SERVER_STATUS_ICON);
 275             mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 276             mAuthStatusText = savedInstanceState.getInt(KEY_AUTH_STATUS_TEXT);
 277             mAuthStatusIcon = savedInstanceState.getInt(KEY_AUTH_STATUS_ICON);
 278             if (savedInstanceState.getBoolean(KEY_PASSWORD_VISIBLE, false)) {
 279                 showPassword();
 280             }
 281
 282             /// server data
 283             String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 284             String ocVersionString = savedInstanceState.getString(KEY_OC_VERSION_STRING);
 285             if (ocVersion != null) {
 286                 mDiscoveredVersion = new OwnCloudVersion(ocVersion, ocVersionString);
 287             }
 288             mHostBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 289
 290             // account data, if updating
 291             mAccount = savedInstanceState.getParcelable(KEY_ACCOUNT);
 292             mAuthTokenType = savedInstanceState.getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 293             if (mAuthTokenType == null) {
 294                 mAuthTokenType =  AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 295
 296             }
 297
 298             // check if server check was interrupted by a configuration change
 299             if (savedInstanceState.getBoolean(KEY_SERVER_CHECK_IN_PROGRESS, false)) {
 300                 checkOcServer();
 301             }
 302
 303             // refresh button enabled
 304             refreshButtonEnabled = savedInstanceState.getBoolean(KEY_REFRESH_BUTTON_ENABLED);
 305
 306
 307         }
 308
 309         if (mAuthMessageVisibility== View.VISIBLE) {
 310             showAuthMessage(mAuthMessageText);
 311         }
 312         else {
 313             hideAuthMessage();
 314         }
 315         adaptViewAccordingToAuthenticationMethod();
 316         showServerStatus();
 317         showAuthStatus();
 318
 319         if (mAction == ACTION_UPDATE_TOKEN) {
 320             /// lock things that should not change
 321             mHostUrlInput.setEnabled(false);
 322             mHostUrlInput.setFocusable(false);
 323             mUsernameInput.setEnabled(false);
 324             mUsernameInput.setFocusable(false);
 325             mOAuth2Check.setVisibility(View.GONE);
 326         }
 327
 328         //if (mServerIsChecked && !mServerIsValid && mRefreshButtonEnabled) showRefreshButton();
 329         if (mServerIsChecked && !mServerIsValid && refreshButtonEnabled) showRefreshButton();
 330         mOkButton.setEnabled(mServerIsValid); // state not automatically recovered in configuration changes
 331
 332         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) ||
 333                 !AUTH_OPTIONAL.equals(getString(R.string.auth_method_oauth2))) {
 334             mOAuth2Check.setVisibility(View.GONE);
 335         }
 336
 337         mPasswordInput.setText("");     // clean password to avoid social hacking (disadvantage: password in removed if the device is turned aside)
 338
 339         /// bind view elements to listeners and other friends
 340         mHostUrlInput.setOnFocusChangeListener(this);
 341         mHostUrlInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 342         mHostUrlInput.setOnEditorActionListener(this);
 343         mHostUrlInput.addTextChangedListener(new TextWatcher() {
 344
 345             @Override
 346             public void afterTextChanged(Editable s) {
 347                 if (!mHostBaseUrl.equals(normalizeUrl(mHostUrlInput.getText().toString()))) {
 348                     mOkButton.setEnabled(false);
 349                 }
 350             }
 351
 352             @Override
 353             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 354             }
 355
 356             @Override
 357             public void onTextChanged(CharSequence s, int start, int before, int count) {
 358                 if (!mResumed) {
 359                     mAuthStatusIcon = 0;
 360                     mAuthStatusText = 0;
 361                     showAuthStatus();
 362                 }
 363                 mResumed = false;
 364             }
 365         });
 366
 367         mPasswordInput.setOnFocusChangeListener(this);
 368         mPasswordInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
 369         mPasswordInput.setOnEditorActionListener(this);
 370         mPasswordInput.setOnTouchListener(new RightDrawableOnTouchListener() {
 371             @Override
 372             public boolean onDrawableTouch(final MotionEvent event) {
 373                 if (event.getAction() == MotionEvent.ACTION_UP) {
 374                     AuthenticatorActivity.this.onViewPasswordClick();
 375                 }
 376                 return true;
 377             }
 378         });
 379
 380         findViewById(R.id.scroll).setOnTouchListener(new OnTouchListener() {
 381             @Override
 382             public boolean onTouch(View view, MotionEvent event) {
 383                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 384                     if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
 385                             mHostUrlInput.hasFocus()) {
 386                         checkOcServer();
 387                     }
 388                 }
 389                 return false;
 390             }
 391         });
 392     }
 393
 394
 395
 396     private void initAuthorizationMethod() {
 397         boolean oAuthRequired = false;
 398         boolean samlWebSsoRequired = false;
 399
 400         mAuthTokenType = getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 401         mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 402
 403         // TODO could be a good moment to validate the received token type, if not null
 404
 405         if (mAuthTokenType == null) {
 406             if (mAccount != null) {
 407                 /// same authentication method than the one used to create the account to update
 408                 oAuthRequired = (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2) != null);
 409                 samlWebSsoRequired = (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO) != null);
 410
 411             } else {
 412                 /// use the one set in setup.xml
 413                 oAuthRequired = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
 414                 samlWebSsoRequired = AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));
 415             }
 416             if (oAuthRequired) {
 417                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
 418             } else if (samlWebSsoRequired) {
 419                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 420             } else {
 421                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 422             }
 423         }
 424
 425         if (mAccount != null) {
 426             String userName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 427             mUsernameInput.setText(userName);
 428         }
 429
 430         mOAuth2Check.setChecked(AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType));
 431
 432     }
 433
 434     /**
 435      * Saves relevant state before {@link #onPause()}
 436      *
 437      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag, intended to defer the
 438      * processing of the redirection caught in {@link #onNewIntent(Intent)} until {@link #onResume()}
 439      *
 440      * See {@link #loadSavedInstanceState(Bundle)}
 441      */
 442     @Override
 443     protected void onSaveInstanceState(Bundle outState) {
 444         super.onSaveInstanceState(outState);
 445
 446         /// connection state and info
 447         outState.putInt(KEY_AUTH_MESSAGE_VISIBILITY, mAuthMessage.getVisibility());
 448         outState.putString(KEY_AUTH_MESSAGE_TEXT, mAuthMessage.getText().toString());
 449         outState.putInt(KEY_SERVER_STATUS_TEXT, mServerStatusText);
 450         outState.putInt(KEY_SERVER_STATUS_ICON, mServerStatusIcon);
 451         outState.putBoolean(KEY_SERVER_VALID, mServerIsValid);
 452         outState.putBoolean(KEY_SERVER_CHECKED, mServerIsChecked);
 453         outState.putBoolean(KEY_SERVER_CHECK_IN_PROGRESS, (!mServerIsValid && mOcServerChkOperation != null));
 454         outState.putBoolean(KEY_IS_SSL_CONN, mIsSslConn);
 455         outState.putBoolean(KEY_PASSWORD_VISIBLE, isPasswordVisible());
 456         outState.putInt(KEY_AUTH_STATUS_ICON, mAuthStatusIcon);
 457         outState.putInt(KEY_AUTH_STATUS_TEXT, mAuthStatusText);
 458
 459         /// server data
 460         if (mDiscoveredVersion != null) {
 461             outState.putString(KEY_OC_VERSION, mDiscoveredVersion.getVersion());
 462             outState.putString(KEY_OC_VERSION_STRING, mDiscoveredVersion.getVersionString());
 463         }
 464         outState.putString(KEY_HOST_URL_TEXT, mHostBaseUrl);
 465
 466         /// account data, if updating
 467         if (mAccount != null) {
 468             outState.putParcelable(KEY_ACCOUNT, mAccount);
 469         }
 470         outState.putString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE, mAuthTokenType);
 471
 472         // refresh button enabled
 473         outState.putBoolean(KEY_REFRESH_BUTTON_ENABLED, (mRefreshButton.getVisibility() == View.VISIBLE));
 474
 475
 476     }
 477
 478
 479     /**
 480      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION request
 481      * is caught here.
 482      *
 483      * To make this possible, this activity needs to be qualified with android:launchMode = "singleTask" in the
 484      * AndroidManifest.xml file.
 485      */
 486     @Override
 487     protected void onNewIntent (Intent intent) {
 488         Log_OC.d(TAG, "onNewIntent()");
 489         Uri data = intent.getData();
 490         if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) {
 491             mNewCapturedUriFromOAuth2Redirection = data;
 492         }
 493     }
 494
 495
 496     /**
 497      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION, and
 498      * deferred in {@link #onNewIntent(Intent)}, is processed here.
 499      */
 500     @Override
 501     protected void onResume() {
 502         super.onResume();
 503         if (mAction == ACTION_UPDATE_TOKEN && mJustCreated && getIntent().getBooleanExtra(EXTRA_ENFORCED_UPDATE, false)) {
 504             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 505                 //Toast.makeText(this, R.string.auth_expired_oauth_token_toast, Toast.LENGTH_LONG).show();
 506                 showAuthMessage(getString(R.string.auth_expired_oauth_token_toast));
 507             } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 508                 //Toast.makeText(this, R.string.auth_expired_saml_sso_token_toast, Toast.LENGTH_LONG).show();
 509                 showAuthMessage(getString(R.string.auth_expired_saml_sso_token_toast));
 510             } else {
 511                 //Toast.makeText(this, R.string.auth_expired_basic_auth_toast, Toast.LENGTH_LONG).show();
 512                 showAuthMessage(getString(R.string.auth_expired_basic_auth_toast));
 513             }
 514         }
 515
 516         if (mNewCapturedUriFromOAuth2Redirection != null) {
 517             getOAuth2AccessTokenFromCapturedRedirection();
 518         }
 519
 520         mJustCreated = false;
 521
 522     }
 523
 524
 525     /**
 526      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 527      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 528      */
 529     private void getOAuth2AccessTokenFromCapturedRedirection() {
 530         /// Parse data from OAuth redirection
 531         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 532         mNewCapturedUriFromOAuth2Redirection = null;
 533
 534         /// Showing the dialog with instructions for the user.
 535         showDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
 536
 537         /// GET ACCESS TOKEN to the oAuth server
 538         RemoteOperation operation = new OAuth2GetAccessToken(   getString(R.string.oauth2_client_id),
 539                 getString(R.string.oauth2_redirect_uri),
 540                 getString(R.string.oauth2_grant_type),
 541                 queryParameters);
 542         //OwnCloudClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(getString(R.string.oauth2_url_endpoint_access)), getApplicationContext());
 543         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mOAuthTokenEndpointText.getText().toString().trim()), getApplicationContext(), true);
 544         operation.execute(client, this, mHandler);
 545     }
 546
 547
 548
 549     /**
 550      * Handles the change of focus on the text inputs for the server URL and the password
 551      */
 552     public void onFocusChange(View view, boolean hasFocus) {
 553         if (view.getId() == R.id.hostUrlInput) {
 554             if (!hasFocus) {
 555                 onUrlInputFocusLost((TextView) view);
 556             }
 557             else {
 558                 hideRefreshButton();
 559             }
 560
 561         } else if (view.getId() == R.id.account_password) {
 562             onPasswordFocusChanged((TextView) view, hasFocus);
 563         }
 564     }
 565
 566
 567     /**
 568      * Handles changes in focus on the text input for the server URL.
 569      *
 570      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 571      * other field. The operation to check the existence of the server in the entered URL is
 572      * started.
 573      *
 574      * When hasFocus:    user 'comes back' to write again the server URL.
 575      *
 576      * @param hostInput     TextView with the URL input field receiving the change of focus.
 577      */
 578     private void onUrlInputFocusLost(TextView hostInput) {
 579         if (!mHostBaseUrl.equals(normalizeUrl(mHostUrlInput.getText().toString()))) {
 580             checkOcServer();
 581         } else {
 582             mOkButton.setEnabled(mServerIsValid);
 583             if (!mServerIsValid) {
 584                 showRefreshButton();
 585             }
 586         }
 587     }
 588
 589
 590     private void checkOcServer() {
 591         String uri = trimUrlWebdav(mHostUrlInput.getText().toString().trim());
 592
 593         if (!mHostUrlInputEnabled){
 594             uri = getString(R.string.server_url);
 595         }
 596
 597         mServerIsValid = false;
 598         mServerIsChecked = false;
 599         mOkButton.setEnabled(false);
 600         mDiscoveredVersion = null;
 601         hideRefreshButton();
 602         if (uri.length() != 0) {
 603             mServerStatusText = R.string.auth_testing_connection;
 604             mServerStatusIcon = R.drawable.progress_small;
 605             showServerStatus();
 606             mOcServerChkOperation = new  GetRemoteStatusOperation(uri, this);
 607             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(uri), this, true);
 608             mOperationThread = mOcServerChkOperation.execute(client, this, mHandler);
 609         } else {
 610             mServerStatusText = 0;
 611             mServerStatusIcon = 0;
 612             showServerStatus();
 613         }
 614     }
 615
 616
 617     /**
 618      * Handles changes in focus on the text input for the password (basic authorization).
 619      *
 620      * When (hasFocus), the button to toggle password visibility is shown.
 621      *
 622      * When (!hasFocus), the button is made invisible and the password is hidden.
 623      *
 624      * @param passwordInput    TextView with the password input field receiving the change of focus.
 625      * @param hasFocus          'True' if focus is received, 'false' if is lost
 626      */
 627     private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {
 628         if (hasFocus) {
 629             showViewPasswordButton();
 630         } else {
 631             hidePassword();
 632             hidePasswordButton();
 633         }
 634     }
 635
 636
 637     private void showViewPasswordButton() {
 638         //int drawable = android.R.drawable.ic_menu_view;
 639         int drawable = R.drawable.ic_view;
 640         if (isPasswordVisible()) {
 641             //drawable = android.R.drawable.ic_secure;
 642             drawable = R.drawable.ic_hide;
 643         }
 644         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 645     }
 646
 647     private boolean isPasswordVisible() {
 648         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 649     }
 650
 651     private void hidePasswordButton() {
 652         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 653     }
 654
 655     private void showPassword() {
 656         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 657         showViewPasswordButton();
 658     }
 659
 660     private void hidePassword() {
 661         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
 662         showViewPasswordButton();
 663     }
 664
 665
 666     /**
 667      * Cancels the authenticator activity
 668      *
 669      * IMPORTANT ENTRY POINT 3: Never underestimate the importance of cancellation
 670      *
 671      * This method is bound in the layout/acceoun_setup.xml resource file.
 672      *
 673      * @param view      Cancel button
 674      */
 675     public void onCancelClick(View view) {
 676         setResult(RESULT_CANCELED);     // TODO review how is this related to AccountAuthenticator (debugging)
 677         finish();
 678     }
 679
 680
 681
 682     /**
 683      * Checks the credentials of the user in the root of the ownCloud server
 684      * before creating a new local account.
 685      *
 686      * For basic authorization, a check of existence of the root folder is
 687      * performed.
 688      *
 689      * For OAuth, starts the flow to get an access token; the credentials test
 690      * is postponed until it is available.
 691      *
 692      * IMPORTANT ENTRY POINT 4
 693      *
 694      * @param view      OK button
 695      */
 696     public void onOkClick(View view) {
 697         // this check should be unnecessary
 698         if (mDiscoveredVersion == null || !mDiscoveredVersion.isVersionValid()  || mHostBaseUrl == null || mHostBaseUrl.length() == 0) {
 699             mServerStatusIcon = R.drawable.common_error;
 700             mServerStatusText = R.string.auth_wtf_reenter_URL;
 701             showServerStatus();
 702             mOkButton.setEnabled(false);
 703             Log_OC.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");
 704             return;
 705         }
 706
 707         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 708             startOauthorization();
 709         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 710             startSamlBasedFederatedSingleSignOnAuthorization();
 711         } else {
 712             checkBasicAuthorization();
 713         }
 714     }
 715
 716
 717     /**
 718      * Tests the credentials entered by the user performing a check of existence on
 719      * the root folder of the ownCloud server.
 720      */
 721     private void checkBasicAuthorization() {
 722         /// get the path to the root folder through WebDAV from the version server
 723         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 724
 725         /// get basic credentials entered by user
 726         String username = mUsernameInput.getText().toString();
 727         String password = mPasswordInput.getText().toString();
 728
 729         /// be gentle with the user
 730         showDialog(DIALOG_LOGIN_PROGRESS);
 731
 732         /// test credentials accessing the root folder
 733         mAuthCheckOperation = new  ExistenceCheckRemoteOperation("", this, false);
 734         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, true);
 735         client.setBasicCredentials(username, password);
 736         mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
 737     }
 738
 739
 740     /**
 741      * Starts the OAuth 'grant type' flow to get an access token, with
 742      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 743      */
 744     private void startOauthorization() {
 745         // be gentle with the user
 746         mAuthStatusIcon = R.drawable.progress_small;
 747         mAuthStatusText = R.string.oauth_login_connection;
 748         showAuthStatus();
 749
 750
 751         // GET AUTHORIZATION request
 752         //Uri uri = Uri.parse(getString(R.string.oauth2_url_endpoint_auth));
 753         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 754         Uri.Builder uriBuilder = uri.buildUpon();
 755         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type));
 756         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri));
 757         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id));
 758         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope));
 759         //uriBuilder.appendQueryParameter(OAuth2Constants.KEY_STATE, whateverwewant);
 760         uri = uriBuilder.build();
 761         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 762         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 763         startActivity(i);
 764     }
 765
 766
 767     /**
 768      * Starts the Web Single Sign On flow to get access to the root folder
 769      * in the server.
 770      */
 771     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 772         // be gentle with the user
 773         mAuthStatusIcon = R.drawable.progress_small;
 774         mAuthStatusText = R.string.auth_connecting_auth_server;
 775         showAuthStatus();
 776         showDialog(DIALOG_LOGIN_PROGRESS);
 777
 778         /// get the path to the root folder through WebDAV from the version server
 779         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 780
 781         /// test credentials accessing the root folder
 782         mAuthCheckOperation = new  ExistenceCheckRemoteOperation("", this, false);
 783         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, false);
 784         mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
 785
 786     }
 787
 788     /**
 789      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 790      *
 791      * Dispatches the operation flow to the right method.
 792      */
 793     @Override
 794     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 795
 796         if (operation instanceof GetRemoteStatusOperation) {
 797             onOcServerCheckFinish((GetRemoteStatusOperation) operation, result);
 798
 799         } else if (operation instanceof OAuth2GetAccessToken) {
 800             onGetOAuthAccessTokenFinish((OAuth2GetAccessToken)operation, result);
 801
 802         } else if (operation instanceof ExistenceCheckRemoteOperation)  {
 803             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 804                 onSamlBasedFederatedSingleSignOnAuthorizationStart(operation, result);
 805
 806             } else {
 807                 onAuthorizationCheckFinish((ExistenceCheckRemoteOperation)operation, result);
 808             }
 809         } else if (operation instanceof GetRemoteUserNameOperation) {
 810             onGetUserNameFinish((GetRemoteUserNameOperation) operation, result);
 811
 812         }
 813
 814     }
 815
 816     private void onGetUserNameFinish(GetRemoteUserNameOperation operation, RemoteOperationResult result) {
 817         if (result.isSuccess()) {
 818             boolean success = false;
 819             String username = operation.getUserName();
 820
 821             if ( mAction == ACTION_CREATE) {
 822                 mUsernameInput.setText(username);
 823                 success = createAccount();
 824             } else {
 825
 826                 if (!mUsernameInput.getText().toString().equals(username)) {
 827                     // fail - not a new account, but an existing one; disallow
 828                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
 829                     updateAuthStatusIconAndText(result);
 830                     showAuthStatus();
 831                     Log_OC.d(TAG, result.getLogMessage());
 832                 } else {
 833                   updateToken();
 834                   success = true;
 835                 }
 836             }
 837
 838             if (success)
 839                 finish();
 840         } else {
 841             updateAuthStatusIconAndText(result);
 842             showAuthStatus();
 843             Log_OC.e(TAG, "Access to user name failed: " + result.getLogMessage());
 844         }
 845
 846     }
 847
 848     private void onSamlBasedFederatedSingleSignOnAuthorizationStart(RemoteOperation operation, RemoteOperationResult result) {
 849         try {
 850             dismissDialog(DIALOG_LOGIN_PROGRESS);
 851         } catch (IllegalArgumentException e) {
 852             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
 853         }
 854
 855         //if (result.isTemporalRedirection() && result.isIdPRedirection()) {
 856         if (result.isIdPRedirection()) {
 857             String url = result.getRedirectedLocation();
 858             String targetUrl = mHostBaseUrl + AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 859
 860             // Show dialog
 861             mSamlDialog = SamlWebViewDialog.newInstance(url, targetUrl);
 862             mSamlDialog.show(getSupportFragmentManager(), TAG_SAML_DIALOG);
 863
 864             mAuthStatusIcon = 0;
 865             mAuthStatusText = 0;
 866
 867         } else {
 868             mAuthStatusIcon = R.drawable.common_error;
 869             mAuthStatusText = R.string.auth_unsupported_auth_method;
 870
 871         }
 872         showAuthStatus();
 873     }
 874
 875
 876     /**
 877      * Processes the result of the server check performed when the user finishes the enter of the
 878      * server URL.
 879      *
 880      * @param operation     Server check performed.
 881      * @param result        Result of the check.
 882      */
 883     private void onOcServerCheckFinish(GetRemoteStatusOperation operation, RemoteOperationResult result) {
 884         if (operation.equals(mOcServerChkOperation)) {
 885             /// save result state
 886             mServerIsChecked = true;
 887             mServerIsValid = result.isSuccess();
 888             mIsSslConn = (result.getCode() == ResultCode.OK_SSL);
 889             mOcServerChkOperation = null;
 890
 891             /// update status icon and text
 892             if (mServerIsValid) {
 893                 hideRefreshButton();
 894             } else {
 895                 showRefreshButton();
 896             }
 897             updateServerStatusIconAndText(result);
 898             showServerStatus();
 899
 900             /// very special case (TODO: move to a common place for all the remote operations)
 901             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
 902                 showUntrustedCertDialog(result);
 903             }
 904
 905             /// retrieve discovered version and normalize server URL
 906             mDiscoveredVersion = operation.getDiscoveredVersion();
 907             mHostBaseUrl = normalizeUrl(mHostUrlInput.getText().toString());
 908
 909             /// allow or not the user try to access the server
 910             mOkButton.setEnabled(mServerIsValid);
 911
 912         }   // else nothing ; only the last check operation is considered;
 913         // multiple can be triggered if the user amends a URL before a previous check can be triggered
 914     }
 915
 916
 917     private String normalizeUrl(String url) {
 918         if (url != null && url.length() > 0) {
 919             url = url.trim();
 920             if (!url.toLowerCase().startsWith("http://") &&
 921                     !url.toLowerCase().startsWith("https://")) {
 922                 if (mIsSslConn) {
 923                     url = "https://" + url;
 924                 } else {
 925                     url = "http://" + url;
 926                 }
 927             }
 928
 929             // OC-208: Add suffix remote.php/webdav to normalize (OC-34)
 930             url = trimUrlWebdav(url);
 931
 932             if (url.endsWith("/")) {
 933                 url = url.substring(0, url.length() - 1);
 934             }
 935
 936         }
 937         return (url != null ? url : "");
 938     }
 939
 940
 941     private String trimUrlWebdav(String url){
 942         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){
 943             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length());
 944         } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){
 945             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length());
 946         } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){
 947             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length());
 948         }
 949         return (url != null ? url : "");
 950     }
 951
 952
 953     /**
 954      * Chooses the right icon and text to show to the user for the received operation result.
 955      *
 956      * @param result    Result of a remote operation performed in this activity
 957      */
 958     private void updateServerStatusIconAndText(RemoteOperationResult result) {
 959         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
 960
 961         switch (result.getCode()) {
 962         case OK_SSL:
 963             mServerStatusIcon = android.R.drawable.ic_secure;
 964             mServerStatusText = R.string.auth_secure_connection;
 965             break;
 966
 967         case OK_NO_SSL:
 968         case OK:
 969             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
 970                 mServerStatusText = R.string.auth_connection_established;
 971                 mServerStatusIcon = R.drawable.ic_ok;
 972             } else {
 973                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
 974                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
 975             }
 976             break;
 977
 978         case NO_NETWORK_CONNECTION:
 979             mServerStatusIcon = R.drawable.no_network;
 980             mServerStatusText = R.string.auth_no_net_conn_title;
 981             break;
 982
 983         case SSL_RECOVERABLE_PEER_UNVERIFIED:
 984             mServerStatusText = R.string.auth_ssl_unverified_server_title;
 985             break;
 986         case BAD_OC_VERSION:
 987             mServerStatusText = R.string.auth_bad_oc_version_title;
 988             break;
 989         case WRONG_CONNECTION:
 990             mServerStatusText = R.string.auth_wrong_connection_title;
 991             break;
 992         case TIMEOUT:
 993             mServerStatusText = R.string.auth_timeout_title;
 994             break;
 995         case INCORRECT_ADDRESS:
 996             mServerStatusText = R.string.auth_incorrect_address_title;
 997             break;
 998         case SSL_ERROR:
 999             mServerStatusText = R.string.auth_ssl_general_error_title;
1000             break;
1001         case UNAUTHORIZED:
1002             mServerStatusText = R.string.auth_unauthorized;
1003             break;
1004         case HOST_NOT_AVAILABLE:
1005             mServerStatusText = R.string.auth_unknown_host_title;
1006             break;
1007         case INSTANCE_NOT_CONFIGURED:
1008             mServerStatusText = R.string.auth_not_configured_title;
1009             break;
1010         case FILE_NOT_FOUND:
1011             mServerStatusText = R.string.auth_incorrect_path_title;
1012             break;
1013         case OAUTH2_ERROR:
1014             mServerStatusText = R.string.auth_oauth_error;
1015             break;
1016         case OAUTH2_ERROR_ACCESS_DENIED:
1017             mServerStatusText = R.string.auth_oauth_error_access_denied;
1018             break;
1019         case UNHANDLED_HTTP_CODE:
1020         case UNKNOWN_ERROR:
1021             mServerStatusText = R.string.auth_unknown_error_title;
1022             break;
1023         default:
1024             mServerStatusText = 0;
1025             mServerStatusIcon = 0;
1026         }
1027     }
1028
1029
1030     /**
1031      * Chooses the right icon and text to show to the user for the received operation result.
1032      *
1033      * @param result    Result of a remote operation performed in this activity
1034      */
1035     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1036         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1037
1038         switch (result.getCode()) {
1039         case OK_SSL:
1040             mAuthStatusIcon = android.R.drawable.ic_secure;
1041             mAuthStatusText = R.string.auth_secure_connection;
1042             break;
1043
1044         case OK_NO_SSL:
1045         case OK:
1046             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1047                 mAuthStatusText = R.string.auth_connection_established;
1048                 mAuthStatusIcon = R.drawable.ic_ok;
1049             } else {
1050                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1051                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
1052             }
1053             break;
1054
1055         case NO_NETWORK_CONNECTION:
1056             mAuthStatusIcon = R.drawable.no_network;
1057             mAuthStatusText = R.string.auth_no_net_conn_title;
1058             break;
1059
1060         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1061             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1062             break;
1063         case BAD_OC_VERSION:
1064             mAuthStatusText = R.string.auth_bad_oc_version_title;
1065             break;
1066         case WRONG_CONNECTION:
1067             mAuthStatusText = R.string.auth_wrong_connection_title;
1068             break;
1069         case TIMEOUT:
1070             mAuthStatusText = R.string.auth_timeout_title;
1071             break;
1072         case INCORRECT_ADDRESS:
1073             mAuthStatusText = R.string.auth_incorrect_address_title;
1074             break;
1075         case SSL_ERROR:
1076             mAuthStatusText = R.string.auth_ssl_general_error_title;
1077             break;
1078         case UNAUTHORIZED:
1079             mAuthStatusText = R.string.auth_unauthorized;
1080             break;
1081         case HOST_NOT_AVAILABLE:
1082             mAuthStatusText = R.string.auth_unknown_host_title;
1083             break;
1084         case INSTANCE_NOT_CONFIGURED:
1085             mAuthStatusText = R.string.auth_not_configured_title;
1086             break;
1087         case FILE_NOT_FOUND:
1088             mAuthStatusText = R.string.auth_incorrect_path_title;
1089             break;
1090         case OAUTH2_ERROR:
1091             mAuthStatusText = R.string.auth_oauth_error;
1092             break;
1093         case OAUTH2_ERROR_ACCESS_DENIED:
1094             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1095             break;
1096         case ACCOUNT_NOT_NEW:
1097             mAuthStatusText = R.string.auth_account_not_new;
1098             break;
1099         case ACCOUNT_NOT_THE_SAME:
1100             mAuthStatusText = R.string.auth_account_not_the_same;
1101             break;
1102         case UNHANDLED_HTTP_CODE:
1103         case UNKNOWN_ERROR:
1104             mAuthStatusText = R.string.auth_unknown_error_title;
1105             break;
1106         default:
1107             mAuthStatusText = 0;
1108             mAuthStatusIcon = 0;
1109         }
1110     }
1111
1112
1113     /**
1114      * Processes the result of the request for and access token send
1115      * to an OAuth authorization server.
1116      *
1117      * @param operation     Operation performed requesting the access token.
1118      * @param result        Result of the operation.
1119      */
1120     private void onGetOAuthAccessTokenFinish(OAuth2GetAccessToken operation, RemoteOperationResult result) {
1121         try {
1122             dismissDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
1123         } catch (IllegalArgumentException e) {
1124             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
1125         }
1126
1127         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
1128         if (result.isSuccess() && webdav_path != null) {
1129             /// be gentle with the user
1130             showDialog(DIALOG_LOGIN_PROGRESS);
1131
1132             /// time to test the retrieved access token on the ownCloud server
1133             mAuthToken = ((OAuth2GetAccessToken)operation).getResultTokenMap().get(OAuth2Constants.KEY_ACCESS_TOKEN);
1134             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1135             mAuthCheckOperation = new ExistenceCheckRemoteOperation("", this, false);
1136             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, true);
1137             client.setBearerCredentials(mAuthToken);
1138             mAuthCheckOperation.execute(client, this, mHandler);
1139
1140         } else {
1141             updateAuthStatusIconAndText(result);
1142             showAuthStatus();
1143             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1144         }
1145     }
1146
1147
1148     /**
1149      * Processes the result of the access check performed to try the user credentials.
1150      *
1151      * Creates a new account through the AccountManager.
1152      *
1153      * @param operation     Access check performed.
1154      * @param result        Result of the operation.
1155      */
1156     private void onAuthorizationCheckFinish(ExistenceCheckRemoteOperation operation, RemoteOperationResult result) {
1157         try {
1158             dismissDialog(DIALOG_LOGIN_PROGRESS);
1159         } catch (IllegalArgumentException e) {
1160             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
1161         }
1162
1163         if (result.isSuccess()) {
1164             Log_OC.d(TAG, "Successful access - time to save the account");
1165
1166             boolean success = false;
1167             if (mAction == ACTION_CREATE) {
1168                 success = createAccount();
1169
1170             } else {
1171                 updateToken();
1172                 success = true;
1173             }
1174
1175             if (success) {
1176                 finish();
1177             }
1178
1179         } else if (result.isServerFail() || result.isException()) {
1180             /// if server fail or exception in authorization, the UI is updated as when a server check failed
1181             mServerIsChecked = true;
1182             mServerIsValid = false;
1183             mIsSslConn = false;
1184             mOcServerChkOperation = null;
1185             mDiscoveredVersion = null;
1186             mHostBaseUrl = normalizeUrl(mHostUrlInput.getText().toString());
1187
1188             // update status icon and text
1189             updateServerStatusIconAndText(result);
1190             showServerStatus();
1191             mAuthStatusIcon = 0;
1192             mAuthStatusText = 0;
1193             showAuthStatus();
1194
1195             // update input controls state
1196             showRefreshButton();
1197             mOkButton.setEnabled(false);
1198
1199             // very special case (TODO: move to a common place for all the remote operations) (dangerous here?)
1200             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1201                 showUntrustedCertDialog(result);
1202             }
1203
1204         } else {    // authorization fail due to client side - probably wrong credentials
1205             updateAuthStatusIconAndText(result);
1206             showAuthStatus();
1207             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1208         }
1209
1210     }
1211
1212
1213     /**
1214      * Sets the proper response to get that the Account Authenticator that started this activity saves
1215      * a new authorization token for mAccount.
1216      */
1217     private void updateToken() {
1218         Bundle response = new Bundle();
1219         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1220         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1221
1222         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1223             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1224             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1225             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1226
1227         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1228
1229             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1230             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1231             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1232
1233         } else {
1234             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1235             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1236         }
1237         setAccountAuthenticatorResult(response);
1238
1239     }
1240
1241
1242     /**
1243      * Creates a new account through the Account Authenticator that started this activity.
1244      *
1245      * This makes the account permanent.
1246      *
1247      * TODO Decide how to name the OAuth accounts
1248      */
1249     private boolean createAccount() {
1250         /// create and save new ownCloud account
1251         boolean isOAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1252         boolean isSaml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1253
1254         Uri uri = Uri.parse(mHostBaseUrl);
1255         String username = mUsernameInput.getText().toString().trim();
1256         if (isOAuth) {
1257             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1258         }
1259         String accountName = username + "@" + uri.getHost();
1260         if (uri.getPort() >= 0) {
1261             accountName += ":" + uri.getPort();
1262         }
1263         mAccount = new Account(accountName, MainApp.getAccountType());
1264         if (AccountUtils.exists(mAccount, getApplicationContext())) {
1265             // fail - not a new account, but an existing one; disallow
1266             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1267             updateAuthStatusIconAndText(result);
1268             showAuthStatus();
1269             Log_OC.d(TAG, result.getLogMessage());
1270             return false;
1271
1272         } else {
1273
1274             if (isOAuth || isSaml) {
1275                 mAccountMgr.addAccountExplicitly(mAccount, "", null);  // with external authorizations, the password is never input in the app
1276             } else {
1277                 mAccountMgr.addAccountExplicitly(mAccount, mPasswordInput.getText().toString(), null);
1278             }
1279
1280             /// add the new account as default in preferences, if there is none already
1281             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1282             if (defaultAccount == null) {
1283                 SharedPreferences.Editor editor = PreferenceManager
1284                         .getDefaultSharedPreferences(this).edit();
1285                 editor.putString("select_oc_account", accountName);
1286                 editor.commit();
1287             }
1288
1289             /// prepare result to return to the Authenticator
1290             //  TODO check again what the Authenticator makes with it; probably has the same effect as addAccountExplicitly, but it's not well done
1291             final Intent intent = new Intent();
1292             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1293             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1294             /*if (!isOAuth)
1295                 intent.putExtra(AccountManager.KEY_AUTHTOKEN,   MainApp.getAccountType()); */
1296             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1297             if (isOAuth || isSaml) {
1298                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1299             }
1300             /// add user data to the new account; TODO probably can be done in the last parameter addAccountExplicitly, or in KEY_USERDATA
1301             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_VERSION,         mDiscoveredVersion.getVersion());
1302             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_VERSION_STRING,  mDiscoveredVersion.getVersionString());
1303             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_BASE_URL,   mHostBaseUrl);
1304
1305             if (isSaml) {
1306                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1307             } else if (isOAuth) {
1308                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1309             }
1310
1311             setAccountAuthenticatorResult(intent.getExtras());
1312             setResult(RESULT_OK, intent);
1313
1314             return true;
1315         }
1316     }
1317
1318
1319     /**
1320      * {@inheritDoc}
1321      *
1322      * Necessary to update the contents of the SSL Dialog
1323      *
1324      * TODO move to some common place for all possible untrusted SSL failures
1325      */
1326     @Override
1327     protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
1328         switch (id) {
1329         case DIALOG_LOGIN_PROGRESS:
1330         case DIALOG_CERT_NOT_SAVED:
1331         case DIALOG_OAUTH2_LOGIN_PROGRESS:
1332             break;
1333         default:
1334             Log_OC.e(TAG, "Incorrect dialog called with id = " + id);
1335         }
1336     }
1337
1338
1339     /**
1340      * {@inheritDoc}
1341      */
1342     @Override
1343     protected Dialog onCreateDialog(int id) {
1344         Dialog dialog = null;
1345         switch (id) {
1346         case DIALOG_LOGIN_PROGRESS: {
1347             /// simple progress dialog
1348             ProgressDialog working_dialog = new ProgressDialog(this);
1349             working_dialog.setMessage(getResources().getString(R.string.auth_trying_to_login));
1350             working_dialog.setIndeterminate(true);
1351             working_dialog.setCancelable(true);
1352             working_dialog
1353             .setOnCancelListener(new DialogInterface.OnCancelListener() {
1354                 @Override
1355                 public void onCancel(DialogInterface dialog) {
1356                     /// TODO study if this is enough
1357                     Log_OC.i(TAG, "Login canceled");
1358                     if (mOperationThread != null) {
1359                         mOperationThread.interrupt();
1360                         finish();
1361                     }
1362                 }
1363             });
1364             dialog = working_dialog;
1365             break;
1366         }
1367         case DIALOG_OAUTH2_LOGIN_PROGRESS: {
1368             ProgressDialog working_dialog = new ProgressDialog(this);
1369             working_dialog.setMessage(String.format("Getting authorization"));
1370             working_dialog.setIndeterminate(true);
1371             working_dialog.setCancelable(true);
1372             working_dialog
1373             .setOnCancelListener(new DialogInterface.OnCancelListener() {
1374                 @Override
1375                 public void onCancel(DialogInterface dialog) {
1376                     Log_OC.i(TAG, "Login canceled");
1377                     finish();
1378                 }
1379             });
1380             dialog = working_dialog;
1381             break;
1382         }
1383         case DIALOG_CERT_NOT_SAVED: {
1384             AlertDialog.Builder builder = new AlertDialog.Builder(this);
1385             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
1386             builder.setCancelable(false);
1387             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
1388                 @Override
1389                 public void onClick(DialogInterface dialog, int which) {
1390                     dialog.dismiss();
1391                 };
1392             });
1393             dialog = builder.create();
1394             break;
1395         }
1396         default:
1397             Log_OC.e(TAG, "Incorrect dialog called with id = " + id);
1398         }
1399         return dialog;
1400     }
1401
1402
1403     /**
1404      * Starts and activity to open the 'new account' page in the ownCloud web site
1405      *
1406      * @param view      'Account register' button
1407      */
1408     public void onRegisterClick(View view) {
1409         Intent register = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url)));
1410         setResult(RESULT_CANCELED);
1411         startActivity(register);
1412     }
1413
1414
1415     /**
1416      * Updates the content and visibility state of the icon and text associated
1417      * to the last check on the ownCloud server.
1418      */
1419     private void showServerStatus() {
1420         TextView tv = (TextView) findViewById(R.id.server_status_text);
1421
1422         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1423             tv.setVisibility(View.INVISIBLE);
1424
1425         } else {
1426             tv.setText(mServerStatusText);
1427             tv.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1428             tv.setVisibility(View.VISIBLE);
1429         }
1430
1431     }
1432
1433
1434     /**
1435      * Updates the content and visibility state of the icon and text associated
1436      * to the interactions with the OAuth authorization server.
1437      */
1438     private void showAuthStatus() {
1439         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1440             mAuthStatusLayout.setVisibility(View.INVISIBLE);
1441
1442         } else {
1443             mAuthStatusLayout.setText(mAuthStatusText);
1444             mAuthStatusLayout.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1445             mAuthStatusLayout.setVisibility(View.VISIBLE);
1446         }
1447     }
1448
1449
1450     private void showRefreshButton() {
1451         mRefreshButton.setVisibility(View.VISIBLE);
1452     }
1453
1454     private void hideRefreshButton() {
1455         mRefreshButton.setVisibility(View.GONE);
1456     }
1457
1458     /**
1459      * Called when the refresh button in the input field for ownCloud host is clicked.
1460      *
1461      * Performs a new check on the URL in the input field.
1462      *
1463      * @param view      Refresh 'button'
1464      */
1465     public void onRefreshClick(View view) {
1466         checkOcServer();
1467     }
1468
1469
1470     /**
1471      * Called when the eye icon in the password field is clicked.
1472      *
1473      * Toggles the visibility of the password in the field.
1474      */
1475     public void onViewPasswordClick() {
1476         int selectionStart = mPasswordInput.getSelectionStart();
1477         int selectionEnd = mPasswordInput.getSelectionEnd();
1478         if (isPasswordVisible()) {
1479             hidePassword();
1480         } else {
1481             showPassword();
1482         }
1483         mPasswordInput.setSelection(selectionStart, selectionEnd);
1484     }
1485
1486
1487     /**
1488      * Called when the checkbox for OAuth authorization is clicked.
1489      *
1490      * Hides or shows the input fields for user & password.
1491      *
1492      * @param view      'View password' 'button'
1493      */
1494     public void onCheckClick(View view) {
1495         CheckBox oAuth2Check = (CheckBox)view;
1496         if (oAuth2Check.isChecked()) {
1497             mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1498         } else {
1499             mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1500         }
1501         adaptViewAccordingToAuthenticationMethod();
1502     }
1503
1504
1505     /**
1506      * Changes the visibility of input elements depending on
1507      * the current authorization method.
1508      */
1509     private void adaptViewAccordingToAuthenticationMethod () {
1510         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1511             // OAuth 2 authorization
1512             mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
1513             mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
1514             mUsernameInput.setVisibility(View.GONE);
1515             mPasswordInput.setVisibility(View.GONE);
1516
1517         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1518             // SAML-based web Single Sign On
1519             mOAuthAuthEndpointText.setVisibility(View.GONE);
1520             mOAuthTokenEndpointText.setVisibility(View.GONE);
1521             mUsernameInput.setVisibility(View.GONE);
1522             mPasswordInput.setVisibility(View.GONE);
1523         } else {
1524             // basic HTTP authorization
1525             mOAuthAuthEndpointText.setVisibility(View.GONE);
1526             mOAuthTokenEndpointText.setVisibility(View.GONE);
1527             mUsernameInput.setVisibility(View.VISIBLE);
1528             mPasswordInput.setVisibility(View.VISIBLE);
1529         }
1530     }
1531
1532     /**
1533      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1534      */
1535     public void onSavedCertificate() {
1536         checkOcServer();
1537         reloadWebView();
1538
1539     }
1540
1541     /**
1542      * Called from SslValidatorDialog when a new server certificate could not be saved
1543      * when the user requested it.
1544      */
1545     @Override
1546     public void onFailedSavingCertificate() {
1547         showDialog(DIALOG_CERT_NOT_SAVED);
1548         cancelWebView();
1549     }
1550
1551
1552     /**
1553      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1554      *
1555      *  Used to trigger the authentication check when the user presses 'enter' after writing the password,
1556      *  or to throw the server test when the only field on screen is the URL input field.
1557      */
1558     @Override
1559     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1560         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null && inputField.equals(mPasswordInput)) {
1561             if (mOkButton.isEnabled()) {
1562                 mOkButton.performClick();
1563             }
1564
1565         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null && inputField.equals(mHostUrlInput)) {
1566             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1567                 checkOcServer();
1568             }
1569         }
1570         return false;   // always return false to grant that the software keyboard is hidden anyway
1571     }
1572
1573
1574     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1575
1576         private int fuzz = 75;
1577
1578         /**
1579          * {@inheritDoc}
1580          */
1581         @Override
1582         public boolean onTouch(View view, MotionEvent event) {
1583             Drawable rightDrawable = null;
1584             if (view instanceof TextView) {
1585                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1586                 if (drawables.length > 2) {
1587                     rightDrawable = drawables[2];
1588                 }
1589             }
1590             if (rightDrawable != null) {
1591                 final int x = (int) event.getX();
1592                 final int y = (int) event.getY();
1593                 final Rect bounds = rightDrawable.getBounds();
1594                 if (x >= (view.getRight() - bounds.width() - fuzz) && x <= (view.getRight() - view.getPaddingRight() + fuzz)
1595                     && y >= (view.getPaddingTop() - fuzz) && y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1596
1597                     return onDrawableTouch(event);
1598                 }
1599             }
1600             return false;
1601         }
1602
1603         public abstract boolean onDrawableTouch(final MotionEvent event);
1604     }
1605
1606
1607     public void onSamlDialogSuccess(String sessionCookie) {
1608         mAuthToken = sessionCookie;
1609
1610         if (sessionCookie != null && sessionCookie.length() > 0) {
1611             mAuthToken = sessionCookie;
1612
1613             GetRemoteUserNameOperation getUserOperation = new GetRemoteUserNameOperation();
1614             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl), getApplicationContext(), true);
1615             client.setSsoSessionCookie(mAuthToken);
1616             getUserOperation.execute(client, this, mHandler);
1617         }
1618
1619
1620     }
1621
1622
1623     @Override
1624     public void onSsoFinished(String sessionCookies) {
1625         //Toast.makeText(this, "got cookies: " + sessionCookie, Toast.LENGTH_LONG).show();
1626
1627         if (sessionCookies != null && sessionCookies.length() > 0) {
1628             Log_OC.d(TAG, "Successful SSO - time to save the account");
1629             onSamlDialogSuccess(sessionCookies);
1630             Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1631             if (fd != null && fd instanceof SherlockDialogFragment) {
1632                 Dialog d = ((SherlockDialogFragment)fd).getDialog();
1633                 if (d != null && d.isShowing()) {
1634                     d.dismiss();
1635                 }
1636             }
1637
1638         } else {
1639             // TODO - show fail
1640             Log_OC.d(TAG, "SSO failed");
1641         }
1642
1643     }
1644
1645     /** Show auth_message
1646      *
1647      * @param message
1648      */
1649     private void showAuthMessage(String message) {
1650        mAuthMessage.setVisibility(View.VISIBLE);
1651        mAuthMessage.setText(message);
1652     }
1653
1654     private void hideAuthMessage() {
1655         mAuthMessage.setVisibility(View.GONE);
1656     }
1657
1658     @Override
1659     public boolean onTouchEvent(MotionEvent event) {
1660         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
1661                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1662             checkOcServer();
1663         }
1664         return super.onTouchEvent(event);
1665     }
1666
1667
1668
1669     public void cancelWebView() {
1670         Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1671         if (fd != null && fd instanceof SherlockDialogFragment) {
1672             Dialog d = ((SherlockDialogFragment)fd).getDialog();
1673             if (d != null && d.isShowing()) {
1674                 d.dismiss();
1675             }
1676         }
1677
1678     }
1679
1680     public void reloadWebView() {
1681         Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1682         if (fd != null && fd instanceof SamlWebViewDialog) {
1683                 ((SamlWebViewDialog) fd).reloadWebView();
1684         }
1685     }
1686
1687     @Override
1688     public void onCancelCertificate() {
1689         cancelWebView();
1690     }
1691
1692     /**
1693      * Show untrusted cert dialog
1694      */
1695     public void showUntrustedCertDialog(X509Certificate x509Certificate, SslError error) {
1696         // Show a dialog with the certificate info
1697         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstance(x509Certificate, error);
1698         FragmentManager fm = getSupportFragmentManager();
1699         FragmentTransaction ft = fm.beginTransaction();
1700         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1701
1702     }
1703
1704     /**
1705      * Show untrusted cert dialog
1706      */
1707     public void showUntrustedCertDialog(RemoteOperationResult result) {
1708         // Show a dialog with the certificate info
1709         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstance(result, this);
1710         FragmentManager fm = getSupportFragmentManager();
1711         FragmentTransaction ft = fm.beginTransaction();
1712         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1713
1714     }
1715
1716     /**
1717      * Dismiss untrusted cert dialog
1718      */
1719     public void dismissUntrustedCertDialog(){
1720         Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_UNTRUSTED_CERT);
1721         if (frag != null) {
1722             SslUntrustedCertDialog dialog = (SslUntrustedCertDialog) frag;
1723             dialog.dismiss();
1724         }
1725     }
1726
1727 }