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