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.webkit.SslErrorHandler;
  52 import android.widget.Button;
  53 import android.widget.CheckBox;
  54 import android.widget.EditText;
  55 import android.widget.TextView;
  56 import android.widget.TextView.OnEditorActionListener;
  57
  58 import com.actionbarsherlock.app.SherlockDialogFragment;
  59 import com.owncloud.android.MainApp;
  60 import com.owncloud.android.R;
  61 import com.owncloud.android.authentication.SsoWebViewClient.SsoWebViewClientListener;
  62 import com.owncloud.android.lib.common.accounts.AccountTypeUtils;
  63 import com.owncloud.android.lib.common.accounts.AccountUtils.Constants;
  64 import com.owncloud.android.lib.common.OwnCloudClientFactory;
  65 import com.owncloud.android.lib.common.OwnCloudClient;
  66 import com.owncloud.android.operations.OAuth2GetAccessToken;
  67
  68 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  69 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  70 import com.owncloud.android.lib.resources.status.GetRemoteStatusOperation;
  71 import com.owncloud.android.lib.common.operations.RemoteOperation;
  72 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  73 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  74 import com.owncloud.android.lib.resources.files.ExistenceCheckRemoteOperation;
  75 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  76
  77 import com.owncloud.android.ui.dialog.SamlWebViewDialog;
  78 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  79 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  80 import com.owncloud.android.utils.Log_OC;
  81 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  82
  83 /**
  84  * This Activity is used to add an ownCloud account to the App
  85  *
  86  * @author Bartek Przybylski
  87  * @author David A. Velasco
  88  */
  89 public class AuthenticatorActivity extends AccountAuthenticatorActivity
  90     implements  OnRemoteOperationListener, OnFocusChangeListener, OnEditorActionListener,
  91     SsoWebViewClientListener, OnSslUntrustedCertListener {
  92
  93     private static final String TAG = AuthenticatorActivity.class.getSimpleName();
  94
  95     public static final String EXTRA_ACCOUNT = "ACCOUNT";
  96     public static final String EXTRA_USER_NAME = "USER_NAME";
  97     public static final String EXTRA_HOST_NAME = "HOST_NAME";
  98     public static final String EXTRA_ACTION = "ACTION";
  99     public static final String EXTRA_ENFORCED_UPDATE = "ENFORCE_UPDATE";
 100
 101     private static final String KEY_AUTH_MESSAGE_VISIBILITY = "AUTH_MESSAGE_VISIBILITY";
 102     private static final String KEY_AUTH_MESSAGE_TEXT = "AUTH_MESSAGE_TEXT";
 103     private static final String KEY_HOST_URL_TEXT = "HOST_URL_TEXT";
 104     private static final String KEY_OC_VERSION = "OC_VERSION";
 105     private static final String KEY_OC_VERSION_STRING = "OC_VERSION_STRING";
 106     private static final String KEY_ACCOUNT = "ACCOUNT";
 107     private static final String KEY_SERVER_VALID = "SERVER_VALID";
 108     private static final String KEY_SERVER_CHECKED = "SERVER_CHECKED";
 109     private static final String KEY_SERVER_CHECK_IN_PROGRESS = "SERVER_CHECK_IN_PROGRESS";
 110     private static final String KEY_SERVER_STATUS_TEXT = "SERVER_STATUS_TEXT";
 111     private static final String KEY_SERVER_STATUS_ICON = "SERVER_STATUS_ICON";
 112     private static final String KEY_IS_SSL_CONN = "IS_SSL_CONN";
 113     private static final String KEY_PASSWORD_VISIBLE = "PASSWORD_VISIBLE";
 114     private static final String KEY_AUTH_STATUS_TEXT = "AUTH_STATUS_TEXT";
 115     private static final String KEY_AUTH_STATUS_ICON = "AUTH_STATUS_ICON";
 116     private static final String KEY_REFRESH_BUTTON_ENABLED = "KEY_REFRESH_BUTTON_ENABLED";
 117     //private static final String KEY_IS_SHARED_SUPPORTED = "KEY_IS_SHARE_SUPPORTED";
 118
 119     private static final String AUTH_ON = "on";
 120     private static final String AUTH_OFF = "off";
 121     private static final String AUTH_OPTIONAL = "optional";
 122
 123     private static final int DIALOG_LOGIN_PROGRESS = 0;
 124     private static final int DIALOG_CERT_NOT_SAVED = 1;
 125     private static final int DIALOG_OAUTH2_LOGIN_PROGRESS = 2;
 126
 127     public static final byte ACTION_CREATE = 0;
 128     public static final byte ACTION_UPDATE_TOKEN = 1;
 129
 130     private static final String TAG_SAML_DIALOG = "samlWebViewDialog";
 131
 132     private String mHostBaseUrl;
 133     private OwnCloudVersion mDiscoveredVersion;
 134
 135     private String mAuthMessageText;
 136     private int mAuthMessageVisibility, mServerStatusText, mServerStatusIcon;
 137     private boolean mServerIsChecked, mServerIsValid, mIsSslConn;
 138     private int mAuthStatusText, mAuthStatusIcon;
 139     private TextView mAuthStatusLayout;
 140
 141     private final Handler mHandler = new Handler();
 142     private Thread mOperationThread;
 143     private GetRemoteStatusOperation mOcServerChkOperation;
 144     private ExistenceCheckRemoteOperation mAuthCheckOperation;
 145
 146     private Uri mNewCapturedUriFromOAuth2Redirection;
 147
 148     private AccountManager mAccountMgr;
 149     private boolean mJustCreated;
 150     private byte mAction;
 151     private Account mAccount;
 152
 153     private TextView mAuthMessage;
 154
 155     private EditText mHostUrlInput;
 156     private boolean mHostUrlInputEnabled;
 157     private View mRefreshButton;
 158
 159     private String mAuthTokenType;
 160
 161     private EditText mUsernameInput;
 162     private EditText mPasswordInput;
 163
 164     private CheckBox mOAuth2Check;
 165
 166     private TextView mOAuthAuthEndpointText;
 167     private TextView mOAuthTokenEndpointText;
 168
 169     private SamlWebViewDialog mSamlDialog;
 170
 171     private View mOkButton;
 172
 173     private String mAuthToken;
 174
 175     private boolean mResumed; // Control if activity is resumed
 176
 177     public static String DIALOG_UNTRUSTED_CERT = "DIALOG_UNTRUSTED_CERT";
 178
 179     private boolean mTryEmptyAuthorization = false;
 180
 181
 182     /**
 183      * {@inheritDoc}
 184      *
 185      * IMPORTANT ENTRY POINT 1: activity is shown to the user
 186      */
 187     @Override
 188     protected void onCreate(Bundle savedInstanceState) {
 189         super.onCreate(savedInstanceState);
 190         getWindow().requestFeature(Window.FEATURE_NO_TITLE);
 191
 192         /// set view and get references to view elements
 193         setContentView(R.layout.account_setup);
 194         mAuthMessage = (TextView) findViewById(R.id.auth_message);
 195         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 196         mHostUrlInput.setText(getString(R.string.server_url));  // valid although R.string.server_url is an empty string
 197         mUsernameInput = (EditText) findViewById(R.id.account_username);
 198         mPasswordInput = (EditText) findViewById(R.id.account_password);
 199         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 200         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 201         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 202         mOkButton = findViewById(R.id.buttonOK);
 203         mAuthStatusLayout = (TextView) findViewById(R.id.auth_status_text);
 204
 205         /// set Host Url Input Enabled
 206         mHostUrlInputEnabled = getResources().getBoolean(R.bool.show_server_url_input);
 207
 208         /// set visibility of link for new users
 209         boolean accountRegisterVisibility = getResources().getBoolean(R.bool.show_welcome_link);
 210         Button welcomeLink = (Button) findViewById(R.id.welcome_link);
 211         if (welcomeLink != null) {
 212             if (accountRegisterVisibility) {
 213                 welcomeLink.setVisibility(View.VISIBLE);
 214                 welcomeLink.setText(String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 215             } else {
 216                 findViewById(R.id.welcome_link).setVisibility(View.GONE);
 217             }
 218         }
 219
 220         /// initialization
 221         mAccountMgr = AccountManager.get(this);
 222         mNewCapturedUriFromOAuth2Redirection = null;
 223         mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE);
 224         mAccount = null;
 225         mHostBaseUrl = "";
 226         boolean refreshButtonEnabled = false;
 227
 228         // URL input configuration applied
 229         if (!mHostUrlInputEnabled)
 230         {
 231             findViewById(R.id.hostUrlFrame).setVisibility(View.GONE);
 232             mRefreshButton = findViewById(R.id.centeredRefreshButton);
 233
 234         } else {
 235             mRefreshButton = findViewById(R.id.embeddedRefreshButton);
 236         }
 237
 238         if (savedInstanceState == null) {
 239             mResumed = false;
 240             /// connection state and info
 241             mAuthMessageVisibility = View.GONE;
 242             mServerStatusText = mServerStatusIcon = 0;
 243             mServerIsValid = false;
 244             mServerIsChecked = false;
 245             mIsSslConn = false;
 246             mAuthStatusText = mAuthStatusIcon = 0;
 247
 248             /// retrieve extras from intent
 249             mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 250             if (mAccount != null) {
 251                 String ocVersion = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION);
 252                 String ocVersionString = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION_STRING);
 253                 if (ocVersion != null) {
 254                     mDiscoveredVersion = new OwnCloudVersion(ocVersion, ocVersionString);
 255                 }
 256                 mHostBaseUrl = normalizeUrl(mAccountMgr.getUserData(mAccount, Constants.KEY_OC_BASE_URL));
 257                 mHostUrlInput.setText(mHostBaseUrl);
 258                 String userName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 259                 mUsernameInput.setText(userName);
 260
 261             }
 262             initAuthorizationMethod();  // checks intent and setup.xml to determine mCurrentAuthorizationMethod
 263             mJustCreated = true;
 264
 265             if (mAction == ACTION_UPDATE_TOKEN || !mHostUrlInputEnabled) {
 266                 checkOcServer();
 267             }
 268
 269         } else {
 270             mResumed = true;
 271             /// connection state and info
 272             mAuthMessageVisibility = savedInstanceState.getInt(KEY_AUTH_MESSAGE_VISIBILITY);
 273             mAuthMessageText = savedInstanceState.getString(KEY_AUTH_MESSAGE_TEXT);
 274             mServerIsValid = savedInstanceState.getBoolean(KEY_SERVER_VALID);
 275             mServerIsChecked = savedInstanceState.getBoolean(KEY_SERVER_CHECKED);
 276             mServerStatusText = savedInstanceState.getInt(KEY_SERVER_STATUS_TEXT);
 277             mServerStatusIcon = savedInstanceState.getInt(KEY_SERVER_STATUS_ICON);
 278             mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 279             mAuthStatusText = savedInstanceState.getInt(KEY_AUTH_STATUS_TEXT);
 280             mAuthStatusIcon = savedInstanceState.getInt(KEY_AUTH_STATUS_ICON);
 281             if (savedInstanceState.getBoolean(KEY_PASSWORD_VISIBLE, false)) {
 282                 showPassword();
 283             }
 284
 285             /// server data
 286             String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 287             String ocVersionString = savedInstanceState.getString(KEY_OC_VERSION_STRING);
 288             if (ocVersion != null) {
 289                 mDiscoveredVersion = new OwnCloudVersion(ocVersion, ocVersionString);
 290             }
 291             mHostBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 292
 293             // account data, if updating
 294             mAccount = savedInstanceState.getParcelable(KEY_ACCOUNT);
 295             mAuthTokenType = savedInstanceState.getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 296             if (mAuthTokenType == null) {
 297                 mAuthTokenType =  AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 298
 299             }
 300
 301             // check if server check was interrupted by a configuration change
 302             if (savedInstanceState.getBoolean(KEY_SERVER_CHECK_IN_PROGRESS, false)) {
 303                 checkOcServer();
 304             }
 305
 306             // refresh button enabled
 307             refreshButtonEnabled = savedInstanceState.getBoolean(KEY_REFRESH_BUTTON_ENABLED);
 308
 309
 310         }
 311
 312         if (mAuthMessageVisibility== View.VISIBLE) {
 313             showAuthMessage(mAuthMessageText);
 314         }
 315         else {
 316             hideAuthMessage();
 317         }
 318         adaptViewAccordingToAuthenticationMethod();
 319         showServerStatus();
 320         showAuthStatus();
 321
 322         if (mAction == ACTION_UPDATE_TOKEN) {
 323             /// lock things that should not change
 324             mHostUrlInput.setEnabled(false);
 325             mHostUrlInput.setFocusable(false);
 326             mUsernameInput.setEnabled(false);
 327             mUsernameInput.setFocusable(false);
 328             mOAuth2Check.setVisibility(View.GONE);
 329         }
 330
 331         //if (mServerIsChecked && !mServerIsValid && mRefreshButtonEnabled) showRefreshButton();
 332         if (mServerIsChecked && !mServerIsValid && refreshButtonEnabled) showRefreshButton();
 333         mOkButton.setEnabled(mServerIsValid); // state not automatically recovered in configuration changes
 334
 335         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) ||
 336                 !AUTH_OPTIONAL.equals(getString(R.string.auth_method_oauth2))) {
 337             mOAuth2Check.setVisibility(View.GONE);
 338         }
 339
 340         mPasswordInput.setText("");     // clean password to avoid social hacking (disadvantage: password in removed if the device is turned aside)
 341
 342         /// bind view elements to listeners and other friends
 343         mHostUrlInput.setOnFocusChangeListener(this);
 344         mHostUrlInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 345         mHostUrlInput.setOnEditorActionListener(this);
 346         mHostUrlInput.addTextChangedListener(new TextWatcher() {
 347
 348             @Override
 349             public void afterTextChanged(Editable s) {
 350                 if (!mHostBaseUrl.equals(normalizeUrl(mHostUrlInput.getText().toString()))) {
 351                     mOkButton.setEnabled(false);
 352                 }
 353             }
 354
 355             @Override
 356             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 357             }
 358
 359             @Override
 360             public void onTextChanged(CharSequence s, int start, int before, int count) {
 361                 if (!mResumed) {
 362                     mAuthStatusIcon = 0;
 363                     mAuthStatusText = 0;
 364                     showAuthStatus();
 365                 }
 366                 mResumed = false;
 367             }
 368         });
 369
 370         mPasswordInput.setOnFocusChangeListener(this);
 371         mPasswordInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
 372         mPasswordInput.setOnEditorActionListener(this);
 373         mPasswordInput.setOnTouchListener(new RightDrawableOnTouchListener() {
 374             @Override
 375             public boolean onDrawableTouch(final MotionEvent event) {
 376                 if (event.getAction() == MotionEvent.ACTION_UP) {
 377                     AuthenticatorActivity.this.onViewPasswordClick();
 378                 }
 379                 return true;
 380             }
 381         });
 382
 383         findViewById(R.id.scroll).setOnTouchListener(new OnTouchListener() {
 384             @Override
 385             public boolean onTouch(View view, MotionEvent event) {
 386                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 387                     if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
 388                             mHostUrlInput.hasFocus()) {
 389                         checkOcServer();
 390                     }
 391                 }
 392                 return false;
 393             }
 394         });
 395     }
 396
 397
 398
 399     private void initAuthorizationMethod() {
 400         boolean oAuthRequired = false;
 401         boolean samlWebSsoRequired = false;
 402
 403         mAuthTokenType = getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 404         mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 405
 406         // TODO could be a good moment to validate the received token type, if not null
 407
 408         if (mAuthTokenType == null) {
 409             if (mAccount != null) {
 410                 /// same authentication method than the one used to create the account to update
 411                 oAuthRequired = (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2) != null);
 412                 samlWebSsoRequired = (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO) != null);
 413
 414             } else {
 415                 /// use the one set in setup.xml
 416                 oAuthRequired = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
 417                 samlWebSsoRequired = AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));
 418             }
 419             if (oAuthRequired) {
 420                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
 421             } else if (samlWebSsoRequired) {
 422                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 423             } else {
 424                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 425             }
 426         }
 427
 428         if (mAccount != null) {
 429             String userName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 430             mUsernameInput.setText(userName);
 431         }
 432
 433         mOAuth2Check.setChecked(AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType));
 434
 435     }
 436
 437     /**
 438      * Saves relevant state before {@link #onPause()}
 439      *
 440      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag, intended to defer the
 441      * processing of the redirection caught in {@link #onNewIntent(Intent)} until {@link #onResume()}
 442      *
 443      * See {@link #loadSavedInstanceState(Bundle)}
 444      */
 445     @Override
 446     protected void onSaveInstanceState(Bundle outState) {
 447         super.onSaveInstanceState(outState);
 448
 449         /// connection state and info
 450         outState.putInt(KEY_AUTH_MESSAGE_VISIBILITY, mAuthMessage.getVisibility());
 451         outState.putString(KEY_AUTH_MESSAGE_TEXT, mAuthMessage.getText().toString());
 452         outState.putInt(KEY_SERVER_STATUS_TEXT, mServerStatusText);
 453         outState.putInt(KEY_SERVER_STATUS_ICON, mServerStatusIcon);
 454         outState.putBoolean(KEY_SERVER_VALID, mServerIsValid);
 455         outState.putBoolean(KEY_SERVER_CHECKED, mServerIsChecked);
 456         outState.putBoolean(KEY_SERVER_CHECK_IN_PROGRESS, (!mServerIsValid && mOcServerChkOperation != null));
 457         outState.putBoolean(KEY_IS_SSL_CONN, mIsSslConn);
 458         outState.putBoolean(KEY_PASSWORD_VISIBLE, isPasswordVisible());
 459         outState.putInt(KEY_AUTH_STATUS_ICON, mAuthStatusIcon);
 460         outState.putInt(KEY_AUTH_STATUS_TEXT, mAuthStatusText);
 461
 462         /// server data
 463         if (mDiscoveredVersion != null) {
 464             outState.putString(KEY_OC_VERSION, mDiscoveredVersion.getVersion());
 465             outState.putString(KEY_OC_VERSION_STRING, mDiscoveredVersion.getVersionString());
 466         }
 467         outState.putString(KEY_HOST_URL_TEXT, mHostBaseUrl);
 468
 469         /// account data, if updating
 470         if (mAccount != null) {
 471             outState.putParcelable(KEY_ACCOUNT, mAccount);
 472         }
 473         outState.putString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE, mAuthTokenType);
 474
 475         // refresh button enabled
 476         outState.putBoolean(KEY_REFRESH_BUTTON_ENABLED, (mRefreshButton.getVisibility() == View.VISIBLE));
 477
 478
 479     }
 480
 481
 482     /**
 483      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION request
 484      * is caught here.
 485      *
 486      * To make this possible, this activity needs to be qualified with android:launchMode = "singleTask" in the
 487      * AndroidManifest.xml file.
 488      */
 489     @Override
 490     protected void onNewIntent (Intent intent) {
 491         Log_OC.d(TAG, "onNewIntent()");
 492         Uri data = intent.getData();
 493         if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) {
 494             mNewCapturedUriFromOAuth2Redirection = data;
 495         }
 496     }
 497
 498
 499     /**
 500      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION, and
 501      * deferred in {@link #onNewIntent(Intent)}, is processed here.
 502      */
 503     @Override
 504     protected void onResume() {
 505         super.onResume();
 506         if (mAction == ACTION_UPDATE_TOKEN && mJustCreated && getIntent().getBooleanExtra(EXTRA_ENFORCED_UPDATE, false)) {
 507             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 508                 //Toast.makeText(this, R.string.auth_expired_oauth_token_toast, Toast.LENGTH_LONG).show();
 509                 showAuthMessage(getString(R.string.auth_expired_oauth_token_toast));
 510             } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 511                 //Toast.makeText(this, R.string.auth_expired_saml_sso_token_toast, Toast.LENGTH_LONG).show();
 512                 showAuthMessage(getString(R.string.auth_expired_saml_sso_token_toast));
 513             } else {
 514                 //Toast.makeText(this, R.string.auth_expired_basic_auth_toast, Toast.LENGTH_LONG).show();
 515                 showAuthMessage(getString(R.string.auth_expired_basic_auth_toast));
 516             }
 517         }
 518
 519         if (mNewCapturedUriFromOAuth2Redirection != null) {
 520             getOAuth2AccessTokenFromCapturedRedirection();
 521         }
 522
 523         mJustCreated = false;
 524
 525     }
 526
 527
 528     /**
 529      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 530      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 531      */
 532     private void getOAuth2AccessTokenFromCapturedRedirection() {
 533         /// Parse data from OAuth redirection
 534         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 535         mNewCapturedUriFromOAuth2Redirection = null;
 536
 537         /// Showing the dialog with instructions for the user.
 538         showDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
 539
 540         /// GET ACCESS TOKEN to the oAuth server
 541         RemoteOperation operation = new OAuth2GetAccessToken(   getString(R.string.oauth2_client_id),
 542                 getString(R.string.oauth2_redirect_uri),
 543                 getString(R.string.oauth2_grant_type),
 544                 queryParameters);
 545         //OwnCloudClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(getString(R.string.oauth2_url_endpoint_access)), getApplicationContext());
 546         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mOAuthTokenEndpointText.getText().toString().trim()), getApplicationContext(), true);
 547         operation.execute(client, this, mHandler);
 548     }
 549
 550
 551
 552     /**
 553      * Handles the change of focus on the text inputs for the server URL and the password
 554      */
 555     public void onFocusChange(View view, boolean hasFocus) {
 556         if (view.getId() == R.id.hostUrlInput) {
 557             if (!hasFocus) {
 558                 onUrlInputFocusLost((TextView) view);
 559             }
 560             else {
 561                 hideRefreshButton();
 562             }
 563
 564         } else if (view.getId() == R.id.account_password) {
 565             onPasswordFocusChanged((TextView) view, hasFocus);
 566         }
 567     }
 568
 569
 570     /**
 571      * Handles changes in focus on the text input for the server URL.
 572      *
 573      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 574      * other field. The operation to check the existence of the server in the entered URL is
 575      * started.
 576      *
 577      * When hasFocus:    user 'comes back' to write again the server URL.
 578      *
 579      * @param hostInput     TextView with the URL input field receiving the change of focus.
 580      */
 581     private void onUrlInputFocusLost(TextView hostInput) {
 582         if (!mHostBaseUrl.equals(normalizeUrl(mHostUrlInput.getText().toString()))) {
 583             checkOcServer();
 584         } else {
 585             mOkButton.setEnabled(mServerIsValid);
 586             if (!mServerIsValid) {
 587                 showRefreshButton();
 588             }
 589         }
 590     }
 591
 592
 593     private void checkOcServer() {
 594         String uri = trimUrlWebdav(mHostUrlInput.getText().toString().trim());
 595
 596         if (!mHostUrlInputEnabled){
 597             uri = getString(R.string.server_url);
 598         }
 599
 600         mServerIsValid = false;
 601         mServerIsChecked = false;
 602         mOkButton.setEnabled(false);
 603         mDiscoveredVersion = null;
 604         hideRefreshButton();
 605         if (uri.length() != 0) {
 606             mServerStatusText = R.string.auth_testing_connection;
 607             mServerStatusIcon = R.drawable.progress_small;
 608             showServerStatus();
 609             mOcServerChkOperation = new  GetRemoteStatusOperation(uri, this);
 610             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(uri), this, true);
 611             mOperationThread = mOcServerChkOperation.execute(client, this, mHandler);
 612         } else {
 613             mServerStatusText = 0;
 614             mServerStatusIcon = 0;
 615             showServerStatus();
 616         }
 617     }
 618
 619
 620     /**
 621      * Handles changes in focus on the text input for the password (basic authorization).
 622      *
 623      * When (hasFocus), the button to toggle password visibility is shown.
 624      *
 625      * When (!hasFocus), the button is made invisible and the password is hidden.
 626      *
 627      * @param passwordInput    TextView with the password input field receiving the change of focus.
 628      * @param hasFocus          'True' if focus is received, 'false' if is lost
 629      */
 630     private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {
 631         if (hasFocus) {
 632             showViewPasswordButton();
 633         } else {
 634             hidePassword();
 635             hidePasswordButton();
 636         }
 637     }
 638
 639
 640     private void showViewPasswordButton() {
 641         //int drawable = android.R.drawable.ic_menu_view;
 642         int drawable = R.drawable.ic_view;
 643         if (isPasswordVisible()) {
 644             //drawable = android.R.drawable.ic_secure;
 645             drawable = R.drawable.ic_hide;
 646         }
 647         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 648     }
 649
 650     private boolean isPasswordVisible() {
 651         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 652     }
 653
 654     private void hidePasswordButton() {
 655         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 656     }
 657
 658     private void showPassword() {
 659         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 660         showViewPasswordButton();
 661     }
 662
 663     private void hidePassword() {
 664         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
 665         showViewPasswordButton();
 666     }
 667
 668
 669     /**
 670      * Cancels the authenticator activity
 671      *
 672      * IMPORTANT ENTRY POINT 3: Never underestimate the importance of cancellation
 673      *
 674      * This method is bound in the layout/acceoun_setup.xml resource file.
 675      *
 676      * @param view      Cancel button
 677      */
 678     public void onCancelClick(View view) {
 679         setResult(RESULT_CANCELED);     // TODO review how is this related to AccountAuthenticator (debugging)
 680         finish();
 681     }
 682
 683
 684
 685     /**
 686      * Checks the credentials of the user in the root of the ownCloud server
 687      * before creating a new local account.
 688      *
 689      * For basic authorization, a check of existence of the root folder is
 690      * performed.
 691      *
 692      * For OAuth, starts the flow to get an access token; the credentials test
 693      * is postponed until it is available.
 694      *
 695      * IMPORTANT ENTRY POINT 4
 696      *
 697      * @param view      OK button
 698      */
 699     public void onOkClick(View view) {
 700         // this check should be unnecessary
 701         if (mDiscoveredVersion == null || !mDiscoveredVersion.isVersionValid()  || mHostBaseUrl == null || mHostBaseUrl.length() == 0) {
 702             mServerStatusIcon = R.drawable.common_error;
 703             mServerStatusText = R.string.auth_wtf_reenter_URL;
 704             showServerStatus();
 705             mOkButton.setEnabled(false);
 706             Log_OC.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");
 707             return;
 708         }
 709
 710         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 711             startOauthorization();
 712         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 713             startSamlBasedFederatedSingleSignOnAuthorization();
 714         } else {
 715             checkBasicAuthorization();
 716         }
 717     }
 718
 719
 720     /**
 721      * Tests the credentials entered by the user performing a check of existence on
 722      * the root folder of the ownCloud server.
 723      */
 724     private void checkBasicAuthorization() {
 725         /// get the path to the root folder through WebDAV from the version server
 726         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 727
 728         /// get basic credentials entered by user
 729         String username = mUsernameInput.getText().toString();
 730         String password = mPasswordInput.getText().toString();
 731
 732         /// be gentle with the user
 733         showDialog(DIALOG_LOGIN_PROGRESS);
 734
 735         /// test credentials accessing the root folder
 736         mAuthCheckOperation = new  ExistenceCheckRemoteOperation("", this, false);
 737         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, true);
 738         client.setBasicCredentials(username, password);
 739         mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
 740     }
 741
 742
 743     /**
 744      * Starts the OAuth 'grant type' flow to get an access token, with
 745      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 746      */
 747     private void startOauthorization() {
 748         // be gentle with the user
 749         mAuthStatusIcon = R.drawable.progress_small;
 750         mAuthStatusText = R.string.oauth_login_connection;
 751         showAuthStatus();
 752
 753
 754         // GET AUTHORIZATION request
 755         //Uri uri = Uri.parse(getString(R.string.oauth2_url_endpoint_auth));
 756         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 757         Uri.Builder uriBuilder = uri.buildUpon();
 758         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type));
 759         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri));
 760         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id));
 761         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope));
 762         //uriBuilder.appendQueryParameter(OAuth2Constants.KEY_STATE, whateverwewant);
 763         uri = uriBuilder.build();
 764         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 765         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 766         startActivity(i);
 767     }
 768
 769
 770     /**
 771      * Starts the Web Single Sign On flow to get access to the root folder
 772      * in the server.
 773      */
 774     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 775         // be gentle with the user
 776         mAuthStatusIcon = R.drawable.progress_small;
 777         mAuthStatusText = R.string.auth_connecting_auth_server;
 778         showAuthStatus();
 779         showDialog(DIALOG_LOGIN_PROGRESS);
 780
 781         /// get the path to the root folder through WebDAV from the version server
 782         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 783
 784         /// test credentials accessing the root folder
 785         mAuthCheckOperation = new  ExistenceCheckRemoteOperation("", this, false);
 786         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, false);
 787         mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
 788
 789     }
 790
 791     /**
 792      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 793      *
 794      * Dispatches the operation flow to the right method.
 795      */
 796     @Override
 797     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 798
 799         if (operation instanceof GetRemoteStatusOperation) {
 800             onOcServerCheckFinish((GetRemoteStatusOperation) operation, result);
 801
 802         } else if (operation instanceof OAuth2GetAccessToken) {
 803             onGetOAuthAccessTokenFinish((OAuth2GetAccessToken)operation, result);
 804
 805         } else if (operation instanceof ExistenceCheckRemoteOperation)  {
 806             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 807                 onSamlBasedFederatedSingleSignOnAuthorizationStart(operation, result);
 808
 809             } else {
 810                 onAuthorizationCheckFinish((ExistenceCheckRemoteOperation)operation, result);
 811             }
 812         } else if (operation instanceof GetRemoteUserNameOperation) {
 813             onGetUserNameFinish((GetRemoteUserNameOperation) operation, result);
 814
 815         }
 816
 817     }
 818
 819     private void onGetUserNameFinish(GetRemoteUserNameOperation operation, RemoteOperationResult result) {
 820
 821         if (result.isSuccess()) {
 822             boolean success = false;
 823             String username = operation.getUserName();
 824
 825             if ( mAction == ACTION_CREATE) {
 826                 mUsernameInput.setText(username);
 827                 success = createAccount();
 828             } else {
 829
 830                 if (!mUsernameInput.getText().toString().equals(username)) {
 831                     // fail - not a new account, but an existing one; disallow
 832                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
 833                     updateAuthStatusIconAndText(result);
 834                     showAuthStatus();
 835                     Log_OC.d(TAG, result.getLogMessage());
 836                 } else {
 837                   updateToken();
 838                   success = true;
 839                 }
 840             }
 841
 842             if (success)
 843                 finish();
 844         } else {
 845             updateStatusIconFailUserName();
 846             showAuthStatus();
 847             Log_OC.e(TAG, "Access to user name failed: " + result.getLogMessage());
 848         }
 849
 850     }
 851
 852     private void onSamlBasedFederatedSingleSignOnAuthorizationStart(RemoteOperation operation, RemoteOperationResult result) {
 853         try {
 854             dismissDialog(DIALOG_LOGIN_PROGRESS);
 855         } catch (IllegalArgumentException e) {
 856             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
 857         }
 858
 859         //if (result.isTemporalRedirection() && result.isIdPRedirection()) {
 860         if (result.isIdPRedirection()) {
 861             String url = result.getRedirectedLocation();
 862             String targetUrl = mHostBaseUrl + AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 863
 864             // Show dialog
 865             mSamlDialog = SamlWebViewDialog.newInstance(url, targetUrl);
 866             mSamlDialog.show(getSupportFragmentManager(), TAG_SAML_DIALOG);
 867
 868             mAuthStatusIcon = 0;
 869             mAuthStatusText = 0;
 870
 871         } else {
 872             mAuthStatusIcon = R.drawable.common_error;
 873             mAuthStatusText = R.string.auth_unsupported_auth_method;
 874
 875         }
 876         showAuthStatus();
 877     }
 878
 879
 880     /**
 881      * Processes the result of the server check performed when the user finishes the enter of the
 882      * server URL.
 883      *
 884      * @param operation     Server check performed.
 885      * @param result        Result of the check.
 886      */
 887     private void onOcServerCheckFinish(GetRemoteStatusOperation operation, RemoteOperationResult result) {
 888         if (operation.equals(mOcServerChkOperation)) {
 889             /// save result state
 890             mServerIsChecked = true;
 891             mServerIsValid = result.isSuccess();
 892             mIsSslConn = (result.getCode() == ResultCode.OK_SSL);
 893             mOcServerChkOperation = null;
 894
 895
 896             /// retrieve discovered version and normalize server URL
 897             mDiscoveredVersion = operation.getDiscoveredVersion();
 898             mHostBaseUrl = normalizeUrl(mHostUrlInput.getText().toString());
 899
 900             /// update status icon and text
 901             if (mServerIsValid) {
 902                 hideRefreshButton();
 903                 // Try to create an account with user and pass "", to know if it is a regular server
 904                 // Update connect button in the answer of this method
 905                 tryEmptyAuthorization();
 906             } else {
 907                 showRefreshButton();
 908             }
 909             updateServerStatusIconAndText(result);
 910             showServerStatus();
 911
 912             /// very special case (TODO: move to a common place for all the remote operations)
 913             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
 914                 showUntrustedCertDialog(result);
 915             }
 916
 917
 918         }   // else nothing ; only the last check operation is considered;
 919         // multiple can be triggered if the user amends a URL before a previous check can be triggered
 920     }
 921
 922
 923     /**
 924      *  Try to access with  user/pass ""/"", to know if it is a regular server
 925      */
 926     private void tryEmptyAuthorization() {
 927         mTryEmptyAuthorization = true;
 928
 929         Log_OC.d(TAG, "Trying empty authorization to detect authentication method");
 930
 931         /// get the path to the root folder through WebDAV from the version server
 932         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 933
 934         /// get basic credentials entered by user
 935         String username = "";
 936         String password = "";
 937
 938         /// test credentials
 939         mAuthCheckOperation = new  ExistenceCheckRemoteOperation("", this, false);
 940         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, true);
 941         client.setBasicCredentials(username, password);
 942         mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
 943     }
 944
 945
 946     private String normalizeUrl(String url) {
 947         if (url != null && url.length() > 0) {
 948             url = url.trim();
 949             if (!url.toLowerCase().startsWith("http://") &&
 950                     !url.toLowerCase().startsWith("https://")) {
 951                 if (mIsSslConn) {
 952                     url = "https://" + url;
 953                 } else {
 954                     url = "http://" + url;
 955                 }
 956             }
 957
 958             // OC-208: Add suffix remote.php/webdav to normalize (OC-34)
 959             url = trimUrlWebdav(url);
 960
 961             if (url.endsWith("/")) {
 962                 url = url.substring(0, url.length() - 1);
 963             }
 964
 965         }
 966         return (url != null ? url : "");
 967     }
 968
 969
 970     private String trimUrlWebdav(String url){
 971         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){
 972             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length());
 973         } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){
 974             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length());
 975         } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){
 976             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length());
 977         }
 978         return (url != null ? url : "");
 979     }
 980
 981
 982     /**
 983      * Chooses the right icon and text to show to the user for the received operation result.
 984      *
 985      * @param result    Result of a remote operation performed in this activity
 986      */
 987     private void updateServerStatusIconAndText(RemoteOperationResult result) {
 988         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
 989
 990         switch (result.getCode()) {
 991         case OK_SSL:
 992             mServerStatusIcon = android.R.drawable.ic_secure;
 993             mServerStatusText = R.string.auth_secure_connection;
 994             break;
 995
 996         case OK_NO_SSL:
 997         case OK:
 998             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
 999                 mServerStatusText = R.string.auth_connection_established;
1000                 mServerStatusIcon = R.drawable.ic_ok;
1001             } else {
1002                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1003                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
1004             }
1005             break;
1006
1007         case NO_NETWORK_CONNECTION:
1008             mServerStatusIcon = R.drawable.no_network;
1009             mServerStatusText = R.string.auth_no_net_conn_title;
1010             break;
1011
1012         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1013             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1014             break;
1015         case BAD_OC_VERSION:
1016             mServerStatusText = R.string.auth_bad_oc_version_title;
1017             break;
1018         case WRONG_CONNECTION:
1019             mServerStatusText = R.string.auth_wrong_connection_title;
1020             break;
1021         case TIMEOUT:
1022             mServerStatusText = R.string.auth_timeout_title;
1023             break;
1024         case INCORRECT_ADDRESS:
1025             mServerStatusText = R.string.auth_incorrect_address_title;
1026             break;
1027         case SSL_ERROR:
1028             mServerStatusText = R.string.auth_ssl_general_error_title;
1029             break;
1030         case UNAUTHORIZED:
1031             mServerStatusText = R.string.auth_unauthorized;
1032             break;
1033         case HOST_NOT_AVAILABLE:
1034             mServerStatusText = R.string.auth_unknown_host_title;
1035             break;
1036         case INSTANCE_NOT_CONFIGURED:
1037             mServerStatusText = R.string.auth_not_configured_title;
1038             break;
1039         case FILE_NOT_FOUND:
1040             mServerStatusText = R.string.auth_incorrect_path_title;
1041             break;
1042         case OAUTH2_ERROR:
1043             mServerStatusText = R.string.auth_oauth_error;
1044             break;
1045         case OAUTH2_ERROR_ACCESS_DENIED:
1046             mServerStatusText = R.string.auth_oauth_error_access_denied;
1047             break;
1048         case UNHANDLED_HTTP_CODE:
1049         case UNKNOWN_ERROR:
1050             mServerStatusText = R.string.auth_unknown_error_title;
1051             break;
1052         default:
1053             mServerStatusText = 0;
1054             mServerStatusIcon = 0;
1055         }
1056     }
1057
1058
1059     /**
1060      * Chooses the right icon and text to show to the user for the received operation result.
1061      *
1062      * @param result    Result of a remote operation performed in this activity
1063      */
1064     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1065         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1066
1067         switch (result.getCode()) {
1068         case OK_SSL:
1069             mAuthStatusIcon = android.R.drawable.ic_secure;
1070             mAuthStatusText = R.string.auth_secure_connection;
1071             break;
1072
1073         case OK_NO_SSL:
1074         case OK:
1075             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1076                 mAuthStatusText = R.string.auth_connection_established;
1077                 mAuthStatusIcon = R.drawable.ic_ok;
1078             } else {
1079                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1080                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
1081             }
1082             break;
1083
1084         case NO_NETWORK_CONNECTION:
1085             mAuthStatusIcon = R.drawable.no_network;
1086             mAuthStatusText = R.string.auth_no_net_conn_title;
1087             break;
1088
1089         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1090             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1091             break;
1092         case BAD_OC_VERSION:
1093             mAuthStatusText = R.string.auth_bad_oc_version_title;
1094             break;
1095         case WRONG_CONNECTION:
1096             mAuthStatusText = R.string.auth_wrong_connection_title;
1097             break;
1098         case TIMEOUT:
1099             mAuthStatusText = R.string.auth_timeout_title;
1100             break;
1101         case INCORRECT_ADDRESS:
1102             mAuthStatusText = R.string.auth_incorrect_address_title;
1103             break;
1104         case SSL_ERROR:
1105             mAuthStatusText = R.string.auth_ssl_general_error_title;
1106             break;
1107         case UNAUTHORIZED:
1108             mAuthStatusText = R.string.auth_unauthorized;
1109             break;
1110         case HOST_NOT_AVAILABLE:
1111             mAuthStatusText = R.string.auth_unknown_host_title;
1112             break;
1113         case INSTANCE_NOT_CONFIGURED:
1114             mAuthStatusText = R.string.auth_not_configured_title;
1115             break;
1116         case FILE_NOT_FOUND:
1117             mAuthStatusText = R.string.auth_incorrect_path_title;
1118             break;
1119         case OAUTH2_ERROR:
1120             mAuthStatusText = R.string.auth_oauth_error;
1121             break;
1122         case OAUTH2_ERROR_ACCESS_DENIED:
1123             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1124             break;
1125         case ACCOUNT_NOT_NEW:
1126             mAuthStatusText = R.string.auth_account_not_new;
1127             break;
1128         case ACCOUNT_NOT_THE_SAME:
1129             mAuthStatusText = R.string.auth_account_not_the_same;
1130             break;
1131         case UNHANDLED_HTTP_CODE:
1132         case UNKNOWN_ERROR:
1133             mAuthStatusText = R.string.auth_unknown_error_title;
1134             break;
1135         default:
1136             mAuthStatusText = 0;
1137             mAuthStatusIcon = 0;
1138         }
1139     }
1140
1141
1142     private void updateStatusIconFailUserName(){
1143         mAuthStatusIcon = android.R.drawable.ic_secure;
1144         mAuthStatusText = R.string.auth_fail_get_user_name;
1145     }
1146
1147     private void updateServerStatusIconNoRegularAuth(){
1148         mServerStatusIcon = android.R.drawable.ic_secure;
1149         mServerStatusText = R.string.auth_unsupported_auth_method;
1150     }
1151
1152     /**
1153      * Processes the result of the request for and access token send
1154      * to an OAuth authorization server.
1155      *
1156      * @param operation     Operation performed requesting the access token.
1157      * @param result        Result of the operation.
1158      */
1159     private void onGetOAuthAccessTokenFinish(OAuth2GetAccessToken operation, RemoteOperationResult result) {
1160         try {
1161             dismissDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
1162         } catch (IllegalArgumentException e) {
1163             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
1164         }
1165
1166         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
1167         if (result.isSuccess() && webdav_path != null) {
1168             /// be gentle with the user
1169             showDialog(DIALOG_LOGIN_PROGRESS);
1170
1171             /// time to test the retrieved access token on the ownCloud server
1172             mAuthToken = ((OAuth2GetAccessToken)operation).getResultTokenMap().get(OAuth2Constants.KEY_ACCESS_TOKEN);
1173             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1174             mAuthCheckOperation = new ExistenceCheckRemoteOperation("", this, false);
1175             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, true);
1176             client.setBearerCredentials(mAuthToken);
1177             mAuthCheckOperation.execute(client, this, mHandler);
1178
1179         } else {
1180             updateAuthStatusIconAndText(result);
1181             showAuthStatus();
1182             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1183         }
1184     }
1185
1186
1187     /**
1188      * Processes the result of the access check performed to try the user credentials.
1189      *
1190      * Creates a new account through the AccountManager.
1191      *
1192      * @param operation     Access check performed.
1193      * @param result        Result of the operation.
1194      */
1195     private void onAuthorizationCheckFinish(ExistenceCheckRemoteOperation operation, RemoteOperationResult result) {
1196         try {
1197             dismissDialog(DIALOG_LOGIN_PROGRESS);
1198         } catch (IllegalArgumentException e) {
1199             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
1200         }
1201
1202         if (result.isSuccess()) {
1203
1204             if (mTryEmptyAuthorization) {
1205                 //allow or not the user try to access the server
1206                 mOkButton.setEnabled(false);
1207                 mTryEmptyAuthorization = false;
1208                 mServerIsValid = false;
1209                 //show an alert message
1210                 updateServerStatusIconNoRegularAuth();
1211                 showServerStatus();
1212
1213             } else {
1214                 Log_OC.d(TAG, "Successful access - time to save the account");
1215
1216                 boolean success = false;
1217                 if (mAction == ACTION_CREATE) {
1218                     success = createAccount();
1219
1220                 } else {
1221                     updateToken();
1222                     success = true;
1223                 }
1224
1225                 if (success) {
1226                     finish();
1227                 }
1228             }
1229
1230         } else {
1231             if (mTryEmptyAuthorization) {
1232                 mTryEmptyAuthorization = false;
1233                 mOkButton.setEnabled(true);
1234
1235             } else if (result.isServerFail() || result.isException()) {
1236                 /// if server fail or exception in authorization, the UI is updated as when a server check failed
1237                 mServerIsChecked = true;
1238                 mServerIsValid = false;
1239                 mIsSslConn = false;
1240                 mOcServerChkOperation = null;
1241                 mDiscoveredVersion = null;
1242                 mHostBaseUrl = normalizeUrl(mHostUrlInput.getText().toString());
1243
1244                 // update status icon and text
1245                 updateServerStatusIconAndText(result);
1246                 showServerStatus();
1247                 mAuthStatusIcon = 0;
1248                 mAuthStatusText = 0;
1249                 showAuthStatus();
1250
1251                 // update input controls state
1252                 showRefreshButton();
1253                 mOkButton.setEnabled(false);
1254
1255                 // very special case (TODO: move to a common place for all the remote operations) (dangerous here?)
1256                 if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1257                     showUntrustedCertDialog(result);
1258                 }
1259
1260             } else {    // authorization fail due to client side - probably wrong credentials
1261                 updateAuthStatusIconAndText(result);
1262                 showAuthStatus();
1263                 Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1264             }
1265         }
1266
1267     }
1268
1269
1270     /**
1271      * Sets the proper response to get that the Account Authenticator that started this activity saves
1272      * a new authorization token for mAccount.
1273      */
1274     private void updateToken() {
1275         Bundle response = new Bundle();
1276         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1277         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1278
1279         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1280             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1281             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1282             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1283
1284         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1285
1286             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1287             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1288             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1289
1290         } else {
1291             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1292             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1293         }
1294         setAccountAuthenticatorResult(response);
1295
1296     }
1297
1298
1299     /**
1300      * Creates a new account through the Account Authenticator that started this activity.
1301      *
1302      * This makes the account permanent.
1303      *
1304      * TODO Decide how to name the OAuth accounts
1305      */
1306     private boolean createAccount() {
1307         /// create and save new ownCloud account
1308         boolean isOAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1309         boolean isSaml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1310
1311         Uri uri = Uri.parse(mHostBaseUrl);
1312         String username = mUsernameInput.getText().toString().trim();
1313         if (isOAuth) {
1314             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1315         }
1316         String accountName = username + "@" + uri.getHost();
1317         if (uri.getPort() >= 0) {
1318             accountName += ":" + uri.getPort();
1319         }
1320         mAccount = new Account(accountName, MainApp.getAccountType());
1321         if (AccountUtils.exists(mAccount, getApplicationContext())) {
1322             // fail - not a new account, but an existing one; disallow
1323             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1324             updateAuthStatusIconAndText(result);
1325             showAuthStatus();
1326             Log_OC.d(TAG, result.getLogMessage());
1327             return false;
1328
1329         } else {
1330
1331             if (isOAuth || isSaml) {
1332                 mAccountMgr.addAccountExplicitly(mAccount, "", null);  // with external authorizations, the password is never input in the app
1333             } else {
1334                 mAccountMgr.addAccountExplicitly(mAccount, mPasswordInput.getText().toString(), null);
1335             }
1336
1337             /// add the new account as default in preferences, if there is none already
1338             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1339             if (defaultAccount == null) {
1340                 SharedPreferences.Editor editor = PreferenceManager
1341                         .getDefaultSharedPreferences(this).edit();
1342                 editor.putString("select_oc_account", accountName);
1343                 editor.commit();
1344             }
1345
1346             /// prepare result to return to the Authenticator
1347             //  TODO check again what the Authenticator makes with it; probably has the same effect as addAccountExplicitly, but it's not well done
1348             final Intent intent = new Intent();
1349             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1350             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1351             /*if (!isOAuth)
1352                 intent.putExtra(AccountManager.KEY_AUTHTOKEN,   MainApp.getAccountType()); */
1353             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1354             if (isOAuth || isSaml) {
1355                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1356             }
1357             /// add user data to the new account; TODO probably can be done in the last parameter addAccountExplicitly, or in KEY_USERDATA
1358             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_VERSION,         mDiscoveredVersion.getVersion());
1359             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_VERSION_STRING,  mDiscoveredVersion.getVersionString());
1360             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_BASE_URL,   mHostBaseUrl);
1361
1362             if (isSaml) {
1363                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1364             } else if (isOAuth) {
1365                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1366             }
1367
1368             setAccountAuthenticatorResult(intent.getExtras());
1369             setResult(RESULT_OK, intent);
1370
1371             return true;
1372         }
1373     }
1374
1375
1376     /**
1377      * {@inheritDoc}
1378      *
1379      * Necessary to update the contents of the SSL Dialog
1380      *
1381      * TODO move to some common place for all possible untrusted SSL failures
1382      */
1383     @Override
1384     protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
1385         switch (id) {
1386         case DIALOG_LOGIN_PROGRESS:
1387         case DIALOG_CERT_NOT_SAVED:
1388         case DIALOG_OAUTH2_LOGIN_PROGRESS:
1389             break;
1390         default:
1391             Log_OC.e(TAG, "Incorrect dialog called with id = " + id);
1392         }
1393     }
1394
1395
1396     /**
1397      * {@inheritDoc}
1398      */
1399     @Override
1400     protected Dialog onCreateDialog(int id) {
1401         Dialog dialog = null;
1402         switch (id) {
1403         case DIALOG_LOGIN_PROGRESS: {
1404             /// simple progress dialog
1405             ProgressDialog working_dialog = new ProgressDialog(this);
1406             working_dialog.setMessage(getResources().getString(R.string.auth_trying_to_login));
1407             working_dialog.setIndeterminate(true);
1408             working_dialog.setCancelable(true);
1409             working_dialog
1410             .setOnCancelListener(new DialogInterface.OnCancelListener() {
1411                 @Override
1412                 public void onCancel(DialogInterface dialog) {
1413                     /// TODO study if this is enough
1414                     Log_OC.i(TAG, "Login canceled");
1415                     if (mOperationThread != null) {
1416                         mOperationThread.interrupt();
1417                         finish();
1418                     }
1419                 }
1420             });
1421             dialog = working_dialog;
1422             break;
1423         }
1424         case DIALOG_OAUTH2_LOGIN_PROGRESS: {
1425             ProgressDialog working_dialog = new ProgressDialog(this);
1426             working_dialog.setMessage(String.format("Getting authorization"));
1427             working_dialog.setIndeterminate(true);
1428             working_dialog.setCancelable(true);
1429             working_dialog
1430             .setOnCancelListener(new DialogInterface.OnCancelListener() {
1431                 @Override
1432                 public void onCancel(DialogInterface dialog) {
1433                     Log_OC.i(TAG, "Login canceled");
1434                     finish();
1435                 }
1436             });
1437             dialog = working_dialog;
1438             break;
1439         }
1440         case DIALOG_CERT_NOT_SAVED: {
1441             AlertDialog.Builder builder = new AlertDialog.Builder(this);
1442             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
1443             builder.setCancelable(false);
1444             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
1445                 @Override
1446                 public void onClick(DialogInterface dialog, int which) {
1447                     dialog.dismiss();
1448                 };
1449             });
1450             dialog = builder.create();
1451             break;
1452         }
1453         default:
1454             Log_OC.e(TAG, "Incorrect dialog called with id = " + id);
1455         }
1456         return dialog;
1457     }
1458
1459
1460     /**
1461      * Starts and activity to open the 'new account' page in the ownCloud web site
1462      *
1463      * @param view      'Account register' button
1464      */
1465     public void onRegisterClick(View view) {
1466         Intent register = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url)));
1467         setResult(RESULT_CANCELED);
1468         startActivity(register);
1469     }
1470
1471
1472     /**
1473      * Updates the content and visibility state of the icon and text associated
1474      * to the last check on the ownCloud server.
1475      */
1476     private void showServerStatus() {
1477         TextView tv = (TextView) findViewById(R.id.server_status_text);
1478
1479         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1480             tv.setVisibility(View.INVISIBLE);
1481
1482         } else {
1483             tv.setText(mServerStatusText);
1484             tv.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1485             tv.setVisibility(View.VISIBLE);
1486         }
1487
1488     }
1489
1490
1491     /**
1492      * Updates the content and visibility state of the icon and text associated
1493      * to the interactions with the OAuth authorization server.
1494      */
1495     private void showAuthStatus() {
1496         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1497             mAuthStatusLayout.setVisibility(View.INVISIBLE);
1498
1499         } else {
1500             mAuthStatusLayout.setText(mAuthStatusText);
1501             mAuthStatusLayout.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1502             mAuthStatusLayout.setVisibility(View.VISIBLE);
1503         }
1504     }
1505
1506
1507     private void showRefreshButton() {
1508         mRefreshButton.setVisibility(View.VISIBLE);
1509     }
1510
1511     private void hideRefreshButton() {
1512         mRefreshButton.setVisibility(View.GONE);
1513     }
1514
1515     /**
1516      * Called when the refresh button in the input field for ownCloud host is clicked.
1517      *
1518      * Performs a new check on the URL in the input field.
1519      *
1520      * @param view      Refresh 'button'
1521      */
1522     public void onRefreshClick(View view) {
1523         checkOcServer();
1524     }
1525
1526
1527     /**
1528      * Called when the eye icon in the password field is clicked.
1529      *
1530      * Toggles the visibility of the password in the field.
1531      */
1532     public void onViewPasswordClick() {
1533         int selectionStart = mPasswordInput.getSelectionStart();
1534         int selectionEnd = mPasswordInput.getSelectionEnd();
1535         if (isPasswordVisible()) {
1536             hidePassword();
1537         } else {
1538             showPassword();
1539         }
1540         mPasswordInput.setSelection(selectionStart, selectionEnd);
1541     }
1542
1543
1544     /**
1545      * Called when the checkbox for OAuth authorization is clicked.
1546      *
1547      * Hides or shows the input fields for user & password.
1548      *
1549      * @param view      'View password' 'button'
1550      */
1551     public void onCheckClick(View view) {
1552         CheckBox oAuth2Check = (CheckBox)view;
1553         if (oAuth2Check.isChecked()) {
1554             mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1555         } else {
1556             mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1557         }
1558         adaptViewAccordingToAuthenticationMethod();
1559     }
1560
1561
1562     /**
1563      * Changes the visibility of input elements depending on
1564      * the current authorization method.
1565      */
1566     private void adaptViewAccordingToAuthenticationMethod () {
1567         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1568             // OAuth 2 authorization
1569             mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
1570             mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
1571             mUsernameInput.setVisibility(View.GONE);
1572             mPasswordInput.setVisibility(View.GONE);
1573
1574         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1575             // SAML-based web Single Sign On
1576             mOAuthAuthEndpointText.setVisibility(View.GONE);
1577             mOAuthTokenEndpointText.setVisibility(View.GONE);
1578             mUsernameInput.setVisibility(View.GONE);
1579             mPasswordInput.setVisibility(View.GONE);
1580         } else {
1581             // basic HTTP authorization
1582             mOAuthAuthEndpointText.setVisibility(View.GONE);
1583             mOAuthTokenEndpointText.setVisibility(View.GONE);
1584             mUsernameInput.setVisibility(View.VISIBLE);
1585             mPasswordInput.setVisibility(View.VISIBLE);
1586         }
1587     }
1588
1589     /**
1590      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1591      *
1592      *  Used to trigger the authentication check when the user presses 'enter' after writing the password,
1593      *  or to throw the server test when the only field on screen is the URL input field.
1594      */
1595     @Override
1596     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1597         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null && inputField.equals(mPasswordInput)) {
1598             if (mOkButton.isEnabled()) {
1599                 mOkButton.performClick();
1600             }
1601
1602         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null && inputField.equals(mHostUrlInput)) {
1603             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1604                 checkOcServer();
1605             }
1606         }
1607         return false;   // always return false to grant that the software keyboard is hidden anyway
1608     }
1609
1610
1611     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1612
1613         private int fuzz = 75;
1614
1615         /**
1616          * {@inheritDoc}
1617          */
1618         @Override
1619         public boolean onTouch(View view, MotionEvent event) {
1620             Drawable rightDrawable = null;
1621             if (view instanceof TextView) {
1622                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1623                 if (drawables.length > 2) {
1624                     rightDrawable = drawables[2];
1625                 }
1626             }
1627             if (rightDrawable != null) {
1628                 final int x = (int) event.getX();
1629                 final int y = (int) event.getY();
1630                 final Rect bounds = rightDrawable.getBounds();
1631                 if (x >= (view.getRight() - bounds.width() - fuzz) && x <= (view.getRight() - view.getPaddingRight() + fuzz)
1632                     && y >= (view.getPaddingTop() - fuzz) && y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1633
1634                     return onDrawableTouch(event);
1635                 }
1636             }
1637             return false;
1638         }
1639
1640         public abstract boolean onDrawableTouch(final MotionEvent event);
1641     }
1642
1643
1644     public void onSamlDialogSuccess(String sessionCookie) {
1645         mAuthToken = sessionCookie;
1646
1647         if (sessionCookie != null && sessionCookie.length() > 0) {
1648             mAuthToken = sessionCookie;
1649
1650             GetRemoteUserNameOperation getUserOperation = new GetRemoteUserNameOperation();
1651             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl), getApplicationContext(), true);
1652             client.setSsoSessionCookie(mAuthToken);
1653             getUserOperation.execute(client, this, mHandler);
1654         }
1655
1656
1657     }
1658
1659
1660     @Override
1661     public void onSsoFinished(String sessionCookies) {
1662         //Toast.makeText(this, "got cookies: " + sessionCookie, Toast.LENGTH_LONG).show();
1663
1664         if (sessionCookies != null && sessionCookies.length() > 0) {
1665             Log_OC.d(TAG, "Successful SSO - time to save the account");
1666             onSamlDialogSuccess(sessionCookies);
1667             Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1668             if (fd != null && fd instanceof SherlockDialogFragment) {
1669                 Dialog d = ((SherlockDialogFragment)fd).getDialog();
1670                 if (d != null && d.isShowing()) {
1671                     d.dismiss();
1672                 }
1673             }
1674
1675         } else {
1676             // TODO - show fail
1677             Log_OC.d(TAG, "SSO failed");
1678         }
1679
1680     }
1681
1682     /** Show auth_message
1683      *
1684      * @param message
1685      */
1686     private void showAuthMessage(String message) {
1687        mAuthMessage.setVisibility(View.VISIBLE);
1688        mAuthMessage.setText(message);
1689     }
1690
1691     private void hideAuthMessage() {
1692         mAuthMessage.setVisibility(View.GONE);
1693     }
1694
1695     @Override
1696     public boolean onTouchEvent(MotionEvent event) {
1697         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
1698                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1699             checkOcServer();
1700         }
1701         return super.onTouchEvent(event);
1702     }
1703
1704
1705     /**
1706      * Show untrusted cert dialog
1707      */
1708     public void showUntrustedCertDialog(X509Certificate x509Certificate, SslError error, SslErrorHandler handler) {
1709         // Show a dialog with the certificate info
1710         SslUntrustedCertDialog dialog = null;
1711         if (x509Certificate == null) {
1712             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
1713         } else {
1714             dialog = SslUntrustedCertDialog.newInstanceForFullSslError(x509Certificate, error, handler);
1715         }
1716         FragmentManager fm = getSupportFragmentManager();
1717         FragmentTransaction ft = fm.beginTransaction();
1718         ft.addToBackStack(null);
1719         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1720     }
1721
1722     /**
1723      * Show untrusted cert dialog
1724      */
1725     public void showUntrustedCertDialog(RemoteOperationResult result) {
1726         // Show a dialog with the certificate info
1727         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1728         FragmentManager fm = getSupportFragmentManager();
1729         FragmentTransaction ft = fm.beginTransaction();
1730         ft.addToBackStack(null);
1731         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1732
1733     }
1734
1735     /**
1736      * Dismiss untrusted cert dialog
1737      */
1738     public void dismissUntrustedCertDialog(){
1739         /*Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_UNTRUSTED_CERT);
1740         if (frag != null) {
1741             SslErrorViewAdapter dialog = (SslErrorViewAdapter) frag;
1742             dialog.dismiss();
1743         }
1744         */
1745     }
1746
1747     /**
1748      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1749      */
1750     public void onSavedCertificate() {
1751         Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1752         if (fd == null) {
1753             // if SAML dialog is not shown, the SslDialog was shown due to an SSL error in the server check
1754             checkOcServer();
1755         }
1756     }
1757
1758     /**
1759      * Called from SslValidatorDialog when a new server certificate could not be saved
1760      * when the user requested it.
1761      */
1762     @Override
1763     public void onFailedSavingCertificate() {
1764         showDialog(DIALOG_CERT_NOT_SAVED);
1765         cancelWebView();
1766     }
1767
1768     @Override
1769     public void onCancelCertificate() {
1770         cancelWebView();
1771     }
1772
1773
1774     public void cancelWebView() {
1775         Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1776         if (fd != null && fd instanceof SherlockDialogFragment) {
1777             Dialog d = ((SherlockDialogFragment)fd).getDialog();
1778             if (d != null && d.isShowing()) {
1779                 d.dismiss();
1780             }
1781         }
1782
1783     }
1784
1785 }