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 mDetectAuthorizationMethod = 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             // Refresh server status, but don't show it
 901             updateServerStatusIconAndText(result);
 902
 903             /// update status icon and text
 904             if (mServerIsValid) {
 905                 hideRefreshButton();
 906                 // Try to create an account with user and pass "", to know if it is a regular server
 907                 // Update connect button in the answer of this method
 908                 detectAuthorizationMethod();
 909             } else {
 910                 showRefreshButton();
 911                 // Show server status
 912                 showServerStatus();
 913             }
 914
 915             /// very special case (TODO: move to a common place for all the remote operations)
 916             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
 917                 showUntrustedCertDialog(result);
 918             }
 919
 920
 921         }   // else nothing ; only the last check operation is considered;
 922         // multiple can be triggered if the user amends a URL before a previous check can be triggered
 923     }
 924
 925
 926     /**
 927      *  Try to access with  user/pass ""/"", to know if it is a regular server
 928      */
 929     private void detectAuthorizationMethod() {
 930         mDetectAuthorizationMethod = true;
 931
 932         Log_OC.d(TAG, "Trying empty authorization to detect authentication method");
 933
 934         /// get the path to the root folder through WebDAV from the version server
 935         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 936
 937         /// get basic credentials entered by user
 938         String username = "";
 939         String password = "";
 940
 941         /// test credentials
 942         mAuthCheckOperation = new  ExistenceCheckRemoteOperation("", this, false);
 943         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, true);
 944         client.setBasicCredentials(username, password);
 945         mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
 946     }
 947
 948
 949     private String normalizeUrl(String url) {
 950         if (url != null && url.length() > 0) {
 951             url = url.trim();
 952             if (!url.toLowerCase().startsWith("http://") &&
 953                     !url.toLowerCase().startsWith("https://")) {
 954                 if (mIsSslConn) {
 955                     url = "https://" + url;
 956                 } else {
 957                     url = "http://" + url;
 958                 }
 959             }
 960
 961             // OC-208: Add suffix remote.php/webdav to normalize (OC-34)
 962             url = trimUrlWebdav(url);
 963
 964             if (url.endsWith("/")) {
 965                 url = url.substring(0, url.length() - 1);
 966             }
 967
 968         }
 969         return (url != null ? url : "");
 970     }
 971
 972
 973     private String trimUrlWebdav(String url){
 974         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){
 975             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length());
 976         } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){
 977             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length());
 978         } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){
 979             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length());
 980         }
 981         return (url != null ? url : "");
 982     }
 983
 984
 985     /**
 986      * Chooses the right icon and text to show to the user for the received operation result.
 987      *
 988      * @param result    Result of a remote operation performed in this activity
 989      */
 990     private void updateServerStatusIconAndText(RemoteOperationResult result) {
 991         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
 992
 993         switch (result.getCode()) {
 994         case OK_SSL:
 995             mServerStatusIcon = android.R.drawable.ic_secure;
 996             mServerStatusText = R.string.auth_secure_connection;
 997             break;
 998
 999         case OK_NO_SSL:
1000         case OK:
1001             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1002                 mServerStatusText = R.string.auth_connection_established;
1003                 mServerStatusIcon = R.drawable.ic_ok;
1004             } else {
1005                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1006                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
1007             }
1008             break;
1009
1010         case NO_NETWORK_CONNECTION:
1011             mServerStatusIcon = R.drawable.no_network;
1012             mServerStatusText = R.string.auth_no_net_conn_title;
1013             break;
1014
1015         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1016             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1017             break;
1018         case BAD_OC_VERSION:
1019             mServerStatusText = R.string.auth_bad_oc_version_title;
1020             break;
1021         case WRONG_CONNECTION:
1022             mServerStatusText = R.string.auth_wrong_connection_title;
1023             break;
1024         case TIMEOUT:
1025             mServerStatusText = R.string.auth_timeout_title;
1026             break;
1027         case INCORRECT_ADDRESS:
1028             mServerStatusText = R.string.auth_incorrect_address_title;
1029             break;
1030         case SSL_ERROR:
1031             mServerStatusText = R.string.auth_ssl_general_error_title;
1032             break;
1033         case UNAUTHORIZED:
1034             mServerStatusText = R.string.auth_unauthorized;
1035             break;
1036         case HOST_NOT_AVAILABLE:
1037             mServerStatusText = R.string.auth_unknown_host_title;
1038             break;
1039         case INSTANCE_NOT_CONFIGURED:
1040             mServerStatusText = R.string.auth_not_configured_title;
1041             break;
1042         case FILE_NOT_FOUND:
1043             mServerStatusText = R.string.auth_incorrect_path_title;
1044             break;
1045         case OAUTH2_ERROR:
1046             mServerStatusText = R.string.auth_oauth_error;
1047             break;
1048         case OAUTH2_ERROR_ACCESS_DENIED:
1049             mServerStatusText = R.string.auth_oauth_error_access_denied;
1050             break;
1051         case UNHANDLED_HTTP_CODE:
1052         case UNKNOWN_ERROR:
1053             mServerStatusText = R.string.auth_unknown_error_title;
1054             break;
1055         default:
1056             mServerStatusText = 0;
1057             mServerStatusIcon = 0;
1058         }
1059     }
1060
1061
1062     /**
1063      * Chooses the right icon and text to show to the user for the received operation result.
1064      *
1065      * @param result    Result of a remote operation performed in this activity
1066      */
1067     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1068         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1069
1070         switch (result.getCode()) {
1071         case OK_SSL:
1072             mAuthStatusIcon = android.R.drawable.ic_secure;
1073             mAuthStatusText = R.string.auth_secure_connection;
1074             break;
1075
1076         case OK_NO_SSL:
1077         case OK:
1078             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1079                 mAuthStatusText = R.string.auth_connection_established;
1080                 mAuthStatusIcon = R.drawable.ic_ok;
1081             } else {
1082                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1083                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
1084             }
1085             break;
1086
1087         case NO_NETWORK_CONNECTION:
1088             mAuthStatusIcon = R.drawable.no_network;
1089             mAuthStatusText = R.string.auth_no_net_conn_title;
1090             break;
1091
1092         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1093             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1094             break;
1095         case BAD_OC_VERSION:
1096             mAuthStatusText = R.string.auth_bad_oc_version_title;
1097             break;
1098         case WRONG_CONNECTION:
1099             mAuthStatusText = R.string.auth_wrong_connection_title;
1100             break;
1101         case TIMEOUT:
1102             mAuthStatusText = R.string.auth_timeout_title;
1103             break;
1104         case INCORRECT_ADDRESS:
1105             mAuthStatusText = R.string.auth_incorrect_address_title;
1106             break;
1107         case SSL_ERROR:
1108             mAuthStatusText = R.string.auth_ssl_general_error_title;
1109             break;
1110         case UNAUTHORIZED:
1111             mAuthStatusText = R.string.auth_unauthorized;
1112             break;
1113         case HOST_NOT_AVAILABLE:
1114             mAuthStatusText = R.string.auth_unknown_host_title;
1115             break;
1116         case INSTANCE_NOT_CONFIGURED:
1117             mAuthStatusText = R.string.auth_not_configured_title;
1118             break;
1119         case FILE_NOT_FOUND:
1120             mAuthStatusText = R.string.auth_incorrect_path_title;
1121             break;
1122         case OAUTH2_ERROR:
1123             mAuthStatusText = R.string.auth_oauth_error;
1124             break;
1125         case OAUTH2_ERROR_ACCESS_DENIED:
1126             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1127             break;
1128         case ACCOUNT_NOT_NEW:
1129             mAuthStatusText = R.string.auth_account_not_new;
1130             break;
1131         case ACCOUNT_NOT_THE_SAME:
1132             mAuthStatusText = R.string.auth_account_not_the_same;
1133             break;
1134         case UNHANDLED_HTTP_CODE:
1135         case UNKNOWN_ERROR:
1136             mAuthStatusText = R.string.auth_unknown_error_title;
1137             break;
1138         default:
1139             mAuthStatusText = 0;
1140             mAuthStatusIcon = 0;
1141         }
1142     }
1143
1144
1145     private void updateStatusIconFailUserName(){
1146         mAuthStatusIcon = R.drawable.common_error;
1147         mAuthStatusText = R.string.auth_fail_get_user_name;
1148     }
1149
1150     private void updateServerStatusIconNoRegularAuth(){
1151         mServerStatusIcon = R.drawable.common_error;
1152         mServerStatusText = R.string.auth_can_not_auth_against_server;
1153     }
1154
1155     /**
1156      * Processes the result of the request for and access token send
1157      * to an OAuth authorization server.
1158      *
1159      * @param operation     Operation performed requesting the access token.
1160      * @param result        Result of the operation.
1161      */
1162     private void onGetOAuthAccessTokenFinish(OAuth2GetAccessToken operation, RemoteOperationResult result) {
1163         try {
1164             dismissDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
1165         } catch (IllegalArgumentException e) {
1166             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
1167         }
1168
1169         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
1170         if (result.isSuccess() && webdav_path != null) {
1171             /// be gentle with the user
1172             showDialog(DIALOG_LOGIN_PROGRESS);
1173
1174             /// time to test the retrieved access token on the ownCloud server
1175             mAuthToken = ((OAuth2GetAccessToken)operation).getResultTokenMap().get(OAuth2Constants.KEY_ACCESS_TOKEN);
1176             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1177             mAuthCheckOperation = new ExistenceCheckRemoteOperation("", this, false);
1178             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, true);
1179             client.setBearerCredentials(mAuthToken);
1180             mAuthCheckOperation.execute(client, this, mHandler);
1181
1182         } else {
1183             updateAuthStatusIconAndText(result);
1184             showAuthStatus();
1185             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1186         }
1187     }
1188
1189
1190     /**
1191      * Processes the result of the access check performed to try the user credentials.
1192      *
1193      * Creates a new account through the AccountManager.
1194      *
1195      * @param operation     Access check performed.
1196      * @param result        Result of the operation.
1197      */
1198     private void onAuthorizationCheckFinish(ExistenceCheckRemoteOperation operation, RemoteOperationResult result) {
1199         try {
1200             dismissDialog(DIALOG_LOGIN_PROGRESS);
1201         } catch (IllegalArgumentException e) {
1202             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
1203         }
1204
1205         if (result.isSuccess()) {
1206             //allow or not the user try to access the server
1207             if (mDetectAuthorizationMethod) {
1208                 mOkButton.setEnabled(false);
1209                 mDetectAuthorizationMethod = false;
1210                 mServerIsValid = false;
1211                 //show an alert message ( Server Status )
1212                 updateServerStatusIconNoRegularAuth();
1213                 showServerStatus();
1214
1215             } else {
1216                 Log_OC.d(TAG, "Successful access - time to save the account");
1217
1218                 boolean success = false;
1219                 if (mAction == ACTION_CREATE) {
1220                     success = createAccount();
1221
1222                 } else {
1223                     updateToken();
1224                     success = true;
1225                 }
1226
1227                 if (success) {
1228                     finish();
1229                 }
1230             }
1231
1232         } else {
1233             if (mDetectAuthorizationMethod) {
1234                 mDetectAuthorizationMethod = false;
1235                 mOkButton.setEnabled(true);
1236
1237                 // Show server status
1238                 showServerStatus();
1239
1240             } else if (result.isServerFail() || result.isException()) {
1241                 /// if server fail or exception in authorization, the UI is updated as when a server check failed
1242                 mServerIsChecked = true;
1243                 mServerIsValid = false;
1244                 mIsSslConn = false;
1245                 mOcServerChkOperation = null;
1246                 mDiscoveredVersion = null;
1247                 mHostBaseUrl = normalizeUrl(mHostUrlInput.getText().toString());
1248
1249                 // update status icon and text
1250                 updateServerStatusIconAndText(result);
1251                 showServerStatus();
1252                 mAuthStatusIcon = 0;
1253                 mAuthStatusText = 0;
1254                 showAuthStatus();
1255
1256                 // update input controls state
1257                 showRefreshButton();
1258                 mOkButton.setEnabled(false);
1259
1260                 // very special case (TODO: move to a common place for all the remote operations) (dangerous here?)
1261                 if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1262                     showUntrustedCertDialog(result);
1263                 }
1264
1265             } else {    // authorization fail due to client side - probably wrong credentials
1266                 updateAuthStatusIconAndText(result);
1267                 showAuthStatus();
1268                 Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1269             }
1270         }
1271
1272     }
1273
1274
1275     /**
1276      * Sets the proper response to get that the Account Authenticator that started this activity saves
1277      * a new authorization token for mAccount.
1278      */
1279     private void updateToken() {
1280         Bundle response = new Bundle();
1281         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1282         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1283
1284         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1285             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1286             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1287             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1288
1289         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1290
1291             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1292             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1293             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1294
1295         } else {
1296             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1297             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1298         }
1299         setAccountAuthenticatorResult(response);
1300
1301     }
1302
1303
1304     /**
1305      * Creates a new account through the Account Authenticator that started this activity.
1306      *
1307      * This makes the account permanent.
1308      *
1309      * TODO Decide how to name the OAuth accounts
1310      */
1311     private boolean createAccount() {
1312         /// create and save new ownCloud account
1313         boolean isOAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1314         boolean isSaml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1315
1316         Uri uri = Uri.parse(mHostBaseUrl);
1317         String username = mUsernameInput.getText().toString().trim();
1318         if (isOAuth) {
1319             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1320         }
1321         String accountName = username + "@" + uri.getHost();
1322         if (uri.getPort() >= 0) {
1323             accountName += ":" + uri.getPort();
1324         }
1325         mAccount = new Account(accountName, MainApp.getAccountType());
1326         if (AccountUtils.exists(mAccount, getApplicationContext())) {
1327             // fail - not a new account, but an existing one; disallow
1328             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1329             updateAuthStatusIconAndText(result);
1330             showAuthStatus();
1331             Log_OC.d(TAG, result.getLogMessage());
1332             return false;
1333
1334         } else {
1335
1336             if (isOAuth || isSaml) {
1337                 mAccountMgr.addAccountExplicitly(mAccount, "", null);  // with external authorizations, the password is never input in the app
1338             } else {
1339                 mAccountMgr.addAccountExplicitly(mAccount, mPasswordInput.getText().toString(), null);
1340             }
1341
1342             /// add the new account as default in preferences, if there is none already
1343             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1344             if (defaultAccount == null) {
1345                 SharedPreferences.Editor editor = PreferenceManager
1346                         .getDefaultSharedPreferences(this).edit();
1347                 editor.putString("select_oc_account", accountName);
1348                 editor.commit();
1349             }
1350
1351             /// prepare result to return to the Authenticator
1352             //  TODO check again what the Authenticator makes with it; probably has the same effect as addAccountExplicitly, but it's not well done
1353             final Intent intent = new Intent();
1354             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1355             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1356             /*if (!isOAuth)
1357                 intent.putExtra(AccountManager.KEY_AUTHTOKEN,   MainApp.getAccountType()); */
1358             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1359             if (isOAuth || isSaml) {
1360                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1361             }
1362             /// add user data to the new account; TODO probably can be done in the last parameter addAccountExplicitly, or in KEY_USERDATA
1363             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_VERSION,         mDiscoveredVersion.getVersion());
1364             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_VERSION_STRING,  mDiscoveredVersion.getVersionString());
1365             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_BASE_URL,   mHostBaseUrl);
1366
1367             if (isSaml) {
1368                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1369             } else if (isOAuth) {
1370                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1371             }
1372
1373             setAccountAuthenticatorResult(intent.getExtras());
1374             setResult(RESULT_OK, intent);
1375
1376             return true;
1377         }
1378     }
1379
1380
1381     /**
1382      * {@inheritDoc}
1383      *
1384      * Necessary to update the contents of the SSL Dialog
1385      *
1386      * TODO move to some common place for all possible untrusted SSL failures
1387      */
1388     @Override
1389     protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
1390         switch (id) {
1391         case DIALOG_LOGIN_PROGRESS:
1392         case DIALOG_CERT_NOT_SAVED:
1393         case DIALOG_OAUTH2_LOGIN_PROGRESS:
1394             break;
1395         default:
1396             Log_OC.e(TAG, "Incorrect dialog called with id = " + id);
1397         }
1398     }
1399
1400
1401     /**
1402      * {@inheritDoc}
1403      */
1404     @Override
1405     protected Dialog onCreateDialog(int id) {
1406         Dialog dialog = null;
1407         switch (id) {
1408         case DIALOG_LOGIN_PROGRESS: {
1409             /// simple progress dialog
1410             ProgressDialog working_dialog = new ProgressDialog(this);
1411             working_dialog.setMessage(getResources().getString(R.string.auth_trying_to_login));
1412             working_dialog.setIndeterminate(true);
1413             working_dialog.setCancelable(true);
1414             working_dialog
1415             .setOnCancelListener(new DialogInterface.OnCancelListener() {
1416                 @Override
1417                 public void onCancel(DialogInterface dialog) {
1418                     /// TODO study if this is enough
1419                     Log_OC.i(TAG, "Login canceled");
1420                     if (mOperationThread != null) {
1421                         mOperationThread.interrupt();
1422                         finish();
1423                     }
1424                 }
1425             });
1426             dialog = working_dialog;
1427             break;
1428         }
1429         case DIALOG_OAUTH2_LOGIN_PROGRESS: {
1430             ProgressDialog working_dialog = new ProgressDialog(this);
1431             working_dialog.setMessage(String.format("Getting authorization"));
1432             working_dialog.setIndeterminate(true);
1433             working_dialog.setCancelable(true);
1434             working_dialog
1435             .setOnCancelListener(new DialogInterface.OnCancelListener() {
1436                 @Override
1437                 public void onCancel(DialogInterface dialog) {
1438                     Log_OC.i(TAG, "Login canceled");
1439                     finish();
1440                 }
1441             });
1442             dialog = working_dialog;
1443             break;
1444         }
1445         case DIALOG_CERT_NOT_SAVED: {
1446             AlertDialog.Builder builder = new AlertDialog.Builder(this);
1447             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
1448             builder.setCancelable(false);
1449             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
1450                 @Override
1451                 public void onClick(DialogInterface dialog, int which) {
1452                     dialog.dismiss();
1453                 };
1454             });
1455             dialog = builder.create();
1456             break;
1457         }
1458         default:
1459             Log_OC.e(TAG, "Incorrect dialog called with id = " + id);
1460         }
1461         return dialog;
1462     }
1463
1464
1465     /**
1466      * Starts and activity to open the 'new account' page in the ownCloud web site
1467      *
1468      * @param view      'Account register' button
1469      */
1470     public void onRegisterClick(View view) {
1471         Intent register = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url)));
1472         setResult(RESULT_CANCELED);
1473         startActivity(register);
1474     }
1475
1476
1477     /**
1478      * Updates the content and visibility state of the icon and text associated
1479      * to the last check on the ownCloud server.
1480      */
1481     private void showServerStatus() {
1482         TextView tv = (TextView) findViewById(R.id.server_status_text);
1483
1484         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1485             tv.setVisibility(View.INVISIBLE);
1486
1487         } else {
1488             tv.setText(mServerStatusText);
1489             tv.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1490             tv.setVisibility(View.VISIBLE);
1491         }
1492
1493     }
1494
1495
1496     /**
1497      * Updates the content and visibility state of the icon and text associated
1498      * to the interactions with the OAuth authorization server.
1499      */
1500     private void showAuthStatus() {
1501         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1502             mAuthStatusLayout.setVisibility(View.INVISIBLE);
1503
1504         } else {
1505             mAuthStatusLayout.setText(mAuthStatusText);
1506             mAuthStatusLayout.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1507             mAuthStatusLayout.setVisibility(View.VISIBLE);
1508         }
1509     }
1510
1511
1512     private void showRefreshButton() {
1513         mRefreshButton.setVisibility(View.VISIBLE);
1514     }
1515
1516     private void hideRefreshButton() {
1517         mRefreshButton.setVisibility(View.GONE);
1518     }
1519
1520     /**
1521      * Called when the refresh button in the input field for ownCloud host is clicked.
1522      *
1523      * Performs a new check on the URL in the input field.
1524      *
1525      * @param view      Refresh 'button'
1526      */
1527     public void onRefreshClick(View view) {
1528         checkOcServer();
1529     }
1530
1531
1532     /**
1533      * Called when the eye icon in the password field is clicked.
1534      *
1535      * Toggles the visibility of the password in the field.
1536      */
1537     public void onViewPasswordClick() {
1538         int selectionStart = mPasswordInput.getSelectionStart();
1539         int selectionEnd = mPasswordInput.getSelectionEnd();
1540         if (isPasswordVisible()) {
1541             hidePassword();
1542         } else {
1543             showPassword();
1544         }
1545         mPasswordInput.setSelection(selectionStart, selectionEnd);
1546     }
1547
1548
1549     /**
1550      * Called when the checkbox for OAuth authorization is clicked.
1551      *
1552      * Hides or shows the input fields for user & password.
1553      *
1554      * @param view      'View password' 'button'
1555      */
1556     public void onCheckClick(View view) {
1557         CheckBox oAuth2Check = (CheckBox)view;
1558         if (oAuth2Check.isChecked()) {
1559             mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1560         } else {
1561             mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1562         }
1563         adaptViewAccordingToAuthenticationMethod();
1564     }
1565
1566
1567     /**
1568      * Changes the visibility of input elements depending on
1569      * the current authorization method.
1570      */
1571     private void adaptViewAccordingToAuthenticationMethod () {
1572         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1573             // OAuth 2 authorization
1574             mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
1575             mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
1576             mUsernameInput.setVisibility(View.GONE);
1577             mPasswordInput.setVisibility(View.GONE);
1578
1579         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1580             // SAML-based web Single Sign On
1581             mOAuthAuthEndpointText.setVisibility(View.GONE);
1582             mOAuthTokenEndpointText.setVisibility(View.GONE);
1583             mUsernameInput.setVisibility(View.GONE);
1584             mPasswordInput.setVisibility(View.GONE);
1585         } else {
1586             // basic HTTP authorization
1587             mOAuthAuthEndpointText.setVisibility(View.GONE);
1588             mOAuthTokenEndpointText.setVisibility(View.GONE);
1589             mUsernameInput.setVisibility(View.VISIBLE);
1590             mPasswordInput.setVisibility(View.VISIBLE);
1591         }
1592     }
1593
1594     /**
1595      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1596      *
1597      *  Used to trigger the authentication check when the user presses 'enter' after writing the password,
1598      *  or to throw the server test when the only field on screen is the URL input field.
1599      */
1600     @Override
1601     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1602         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null && inputField.equals(mPasswordInput)) {
1603             if (mOkButton.isEnabled()) {
1604                 mOkButton.performClick();
1605             }
1606
1607         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null && inputField.equals(mHostUrlInput)) {
1608             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1609                 checkOcServer();
1610             }
1611         }
1612         return false;   // always return false to grant that the software keyboard is hidden anyway
1613     }
1614
1615
1616     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1617
1618         private int fuzz = 75;
1619
1620         /**
1621          * {@inheritDoc}
1622          */
1623         @Override
1624         public boolean onTouch(View view, MotionEvent event) {
1625             Drawable rightDrawable = null;
1626             if (view instanceof TextView) {
1627                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1628                 if (drawables.length > 2) {
1629                     rightDrawable = drawables[2];
1630                 }
1631             }
1632             if (rightDrawable != null) {
1633                 final int x = (int) event.getX();
1634                 final int y = (int) event.getY();
1635                 final Rect bounds = rightDrawable.getBounds();
1636                 if (x >= (view.getRight() - bounds.width() - fuzz) && x <= (view.getRight() - view.getPaddingRight() + fuzz)
1637                     && y >= (view.getPaddingTop() - fuzz) && y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1638
1639                     return onDrawableTouch(event);
1640                 }
1641             }
1642             return false;
1643         }
1644
1645         public abstract boolean onDrawableTouch(final MotionEvent event);
1646     }
1647
1648
1649     public void onSamlDialogSuccess(String sessionCookie) {
1650         mAuthToken = sessionCookie;
1651
1652         if (sessionCookie != null && sessionCookie.length() > 0) {
1653             mAuthToken = sessionCookie;
1654
1655             GetRemoteUserNameOperation getUserOperation = new GetRemoteUserNameOperation();
1656             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl), getApplicationContext(), true);
1657             client.setSsoSessionCookie(mAuthToken);
1658             getUserOperation.execute(client, this, mHandler);
1659         }
1660
1661
1662     }
1663
1664
1665     @Override
1666     public void onSsoFinished(String sessionCookies) {
1667         //Toast.makeText(this, "got cookies: " + sessionCookie, Toast.LENGTH_LONG).show();
1668
1669         if (sessionCookies != null && sessionCookies.length() > 0) {
1670             Log_OC.d(TAG, "Successful SSO - time to save the account");
1671             onSamlDialogSuccess(sessionCookies);
1672             Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1673             if (fd != null && fd instanceof SherlockDialogFragment) {
1674                 Dialog d = ((SherlockDialogFragment)fd).getDialog();
1675                 if (d != null && d.isShowing()) {
1676                     d.dismiss();
1677                 }
1678             }
1679
1680         } else {
1681             // TODO - show fail
1682             Log_OC.d(TAG, "SSO failed");
1683         }
1684
1685     }
1686
1687     /** Show auth_message
1688      *
1689      * @param message
1690      */
1691     private void showAuthMessage(String message) {
1692        mAuthMessage.setVisibility(View.VISIBLE);
1693        mAuthMessage.setText(message);
1694     }
1695
1696     private void hideAuthMessage() {
1697         mAuthMessage.setVisibility(View.GONE);
1698     }
1699
1700     @Override
1701     public boolean onTouchEvent(MotionEvent event) {
1702         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
1703                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1704             checkOcServer();
1705         }
1706         return super.onTouchEvent(event);
1707     }
1708
1709
1710     /**
1711      * Show untrusted cert dialog
1712      */
1713     public void showUntrustedCertDialog(X509Certificate x509Certificate, SslError error, SslErrorHandler handler) {
1714         // Show a dialog with the certificate info
1715         SslUntrustedCertDialog dialog = null;
1716         if (x509Certificate == null) {
1717             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
1718         } else {
1719             dialog = SslUntrustedCertDialog.newInstanceForFullSslError(x509Certificate, error, handler);
1720         }
1721         FragmentManager fm = getSupportFragmentManager();
1722         FragmentTransaction ft = fm.beginTransaction();
1723         ft.addToBackStack(null);
1724         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1725     }
1726
1727     /**
1728      * Show untrusted cert dialog
1729      */
1730     public void showUntrustedCertDialog(RemoteOperationResult result) {
1731         // Show a dialog with the certificate info
1732         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1733         FragmentManager fm = getSupportFragmentManager();
1734         FragmentTransaction ft = fm.beginTransaction();
1735         ft.addToBackStack(null);
1736         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1737
1738     }
1739
1740     /**
1741      * Dismiss untrusted cert dialog
1742      */
1743     public void dismissUntrustedCertDialog(){
1744         /*Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_UNTRUSTED_CERT);
1745         if (frag != null) {
1746             SslErrorViewAdapter dialog = (SslErrorViewAdapter) frag;
1747             dialog.dismiss();
1748         }
1749         */
1750     }
1751
1752     /**
1753      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1754      */
1755     public void onSavedCertificate() {
1756         Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1757         if (fd == null) {
1758             // if SAML dialog is not shown, the SslDialog was shown due to an SSL error in the server check
1759             checkOcServer();
1760         }
1761     }
1762
1763     /**
1764      * Called from SslValidatorDialog when a new server certificate could not be saved
1765      * when the user requested it.
1766      */
1767     @Override
1768     public void onFailedSavingCertificate() {
1769         showDialog(DIALOG_CERT_NOT_SAVED);
1770         cancelWebView();
1771     }
1772
1773     @Override
1774     public void onCancelCertificate() {
1775         cancelWebView();
1776     }
1777
1778
1779     public void cancelWebView() {
1780         Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1781         if (fd != null && fd instanceof SherlockDialogFragment) {
1782             Dialog d = ((SherlockDialogFragment)fd).getDialog();
1783             if (d != null && d.isShowing()) {
1784                 d.dismiss();
1785             }
1786         }
1787
1788     }
1789
1790 }