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.DetectAuthenticationMethodOperation;
  67 import com.owncloud.android.operations.DetectAuthenticationMethodOperation.AuthenticationMethod;
  68 import com.owncloud.android.operations.OAuth2GetAccessToken;
  69
  70 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  71 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  72 import com.owncloud.android.lib.resources.status.GetRemoteStatusOperation;
  73 import com.owncloud.android.lib.common.operations.RemoteOperation;
  74 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  75 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  76 import com.owncloud.android.lib.resources.files.ExistenceCheckRemoteOperation;
  77 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  78
  79 import com.owncloud.android.ui.dialog.SamlWebViewDialog;
  80 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  81 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  82 import com.owncloud.android.utils.Log_OC;
  83 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  84
  85 /**
  86  * This Activity is used to add an ownCloud account to the App
  87  *
  88  * @author Bartek Przybylski
  89  * @author David A. Velasco
  90  */
  91 public class AuthenticatorActivity extends AccountAuthenticatorActivity
  92 implements  OnRemoteOperationListener, OnFocusChangeListener, OnEditorActionListener,
  93 SsoWebViewClientListener, OnSslUntrustedCertListener {
  94
  95     private static final String TAG = AuthenticatorActivity.class.getSimpleName();
  96
  97     public static final String EXTRA_ACCOUNT = "ACCOUNT";
  98     public static final String EXTRA_USER_NAME = "USER_NAME";
  99     public static final String EXTRA_HOST_NAME = "HOST_NAME";
 100     public static final String EXTRA_ACTION = "ACTION";
 101     public static final String EXTRA_ENFORCED_UPDATE = "ENFORCE_UPDATE";
 102
 103     private static final String KEY_AUTH_MESSAGE_VISIBILITY = "AUTH_MESSAGE_VISIBILITY";
 104     private static final String KEY_AUTH_MESSAGE_TEXT = "AUTH_MESSAGE_TEXT";
 105     private static final String KEY_HOST_URL_TEXT = "HOST_URL_TEXT";
 106     private static final String KEY_OC_VERSION = "OC_VERSION";
 107     private static final String KEY_OC_VERSION_STRING = "OC_VERSION_STRING";
 108     private static final String KEY_ACCOUNT = "ACCOUNT";
 109     private static final String KEY_SERVER_VALID = "SERVER_VALID";
 110     private static final String KEY_SERVER_CHECKED = "SERVER_CHECKED";
 111     private static final String KEY_SERVER_CHECK_IN_PROGRESS = "SERVER_CHECK_IN_PROGRESS";
 112     private static final String KEY_SERVER_STATUS_TEXT = "SERVER_STATUS_TEXT";
 113     private static final String KEY_SERVER_STATUS_ICON = "SERVER_STATUS_ICON";
 114     private static final String KEY_IS_SSL_CONN = "IS_SSL_CONN";
 115     private static final String KEY_PASSWORD_VISIBLE = "PASSWORD_VISIBLE";
 116     private static final String KEY_AUTH_STATUS_TEXT = "AUTH_STATUS_TEXT";
 117     private static final String KEY_AUTH_STATUS_ICON = "AUTH_STATUS_ICON";
 118     private static final String KEY_REFRESH_BUTTON_ENABLED = "KEY_REFRESH_BUTTON_ENABLED";
 119     //private static final String KEY_IS_SHARED_SUPPORTED = "KEY_IS_SHARE_SUPPORTED";
 120
 121     private static final String AUTH_ON = "on";
 122     private static final String AUTH_OFF = "off";
 123     private static final String AUTH_OPTIONAL = "optional";
 124
 125     private static final int DIALOG_LOGIN_PROGRESS = 0;
 126     private static final int DIALOG_CERT_NOT_SAVED = 1;
 127     private static final int DIALOG_OAUTH2_LOGIN_PROGRESS = 2;
 128
 129     public static final byte ACTION_CREATE = 0;
 130     public static final byte ACTION_UPDATE_TOKEN = 1;
 131
 132     private static final String TAG_SAML_DIALOG = "samlWebViewDialog";
 133
 134     private String mHostBaseUrl;
 135     private OwnCloudVersion mDiscoveredVersion;
 136
 137     private String mAuthMessageText;
 138     private int mAuthMessageVisibility, mServerStatusText, mServerStatusIcon;
 139     private boolean mServerIsChecked, mServerIsValid, mIsSslConn;
 140     private int mAuthStatusText, mAuthStatusIcon;
 141     private TextView mAuthStatusLayout;
 142
 143     private final Handler mHandler = new Handler();
 144     private Thread mOperationThread;
 145     private GetRemoteStatusOperation mOcServerChkOperation;
 146     private ExistenceCheckRemoteOperation mAuthCheckOperation;
 147
 148     private Uri mNewCapturedUriFromOAuth2Redirection;
 149
 150     private AccountManager mAccountMgr;
 151     private boolean mJustCreated;
 152     private byte mAction;
 153     private Account mAccount;
 154
 155     private TextView mAuthMessage;
 156
 157     private EditText mHostUrlInput;
 158     private boolean mHostUrlInputEnabled;
 159     private View mRefreshButton;
 160
 161     private String mAuthTokenType;
 162
 163     private EditText mUsernameInput;
 164     private EditText mPasswordInput;
 165
 166     private CheckBox mOAuth2Check;
 167
 168     private TextView mOAuthAuthEndpointText;
 169     private TextView mOAuthTokenEndpointText;
 170
 171     private SamlWebViewDialog mSamlDialog;
 172
 173     private View mOkButton;
 174
 175     private String mAuthToken;
 176
 177     private boolean mResumed; // Control if activity is resumed
 178
 179     public static String DIALOG_UNTRUSTED_CERT = "DIALOG_UNTRUSTED_CERT";
 180
 181     private DetectAuthenticationMethodOperation mDetectAuthenticationOperation;
 182
 183
 184     /**
 185      * {@inheritDoc}
 186      *
 187      * IMPORTANT ENTRY POINT 1: activity is shown to the user
 188      */
 189     @Override
 190     protected void onCreate(Bundle savedInstanceState) {
 191         super.onCreate(savedInstanceState);
 192         getWindow().requestFeature(Window.FEATURE_NO_TITLE);
 193
 194         /// set view and get references to view elements
 195         setContentView(R.layout.account_setup);
 196         mAuthMessage = (TextView) findViewById(R.id.auth_message);
 197         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 198         mHostUrlInput.setText(getString(R.string.server_url));  // valid although R.string.server_url is an empty string
 199         mUsernameInput = (EditText) findViewById(R.id.account_username);
 200         mPasswordInput = (EditText) findViewById(R.id.account_password);
 201         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 202         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 203         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 204         mOkButton = findViewById(R.id.buttonOK);
 205         mAuthStatusLayout = (TextView) findViewById(R.id.auth_status_text);
 206
 207         /// set Host Url Input Enabled
 208         mHostUrlInputEnabled = getResources().getBoolean(R.bool.show_server_url_input);
 209
 210         /// set visibility of link for new users
 211         boolean accountRegisterVisibility = getResources().getBoolean(R.bool.show_welcome_link);
 212         Button welcomeLink = (Button) findViewById(R.id.welcome_link);
 213         if (welcomeLink != null) {
 214             if (accountRegisterVisibility) {
 215                 welcomeLink.setVisibility(View.VISIBLE);
 216                 welcomeLink.setText(String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 217             } else {
 218                 findViewById(R.id.welcome_link).setVisibility(View.GONE);
 219             }
 220         }
 221
 222         /// initialization
 223         mAccountMgr = AccountManager.get(this);
 224         mNewCapturedUriFromOAuth2Redirection = null;
 225         mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE);
 226         mAccount = null;
 227         mHostBaseUrl = "";
 228         boolean refreshButtonEnabled = false;
 229
 230         // URL input configuration applied
 231         if (!mHostUrlInputEnabled)
 232         {
 233             findViewById(R.id.hostUrlFrame).setVisibility(View.GONE);
 234             mRefreshButton = findViewById(R.id.centeredRefreshButton);
 235
 236         } else {
 237             mRefreshButton = findViewById(R.id.embeddedRefreshButton);
 238         }
 239
 240         if (savedInstanceState == null) {
 241             mResumed = false;
 242             /// connection state and info
 243             mAuthMessageVisibility = View.GONE;
 244             mServerStatusText = mServerStatusIcon = 0;
 245             mServerIsValid = false;
 246             mServerIsChecked = false;
 247             mIsSslConn = false;
 248             mAuthStatusText = mAuthStatusIcon = 0;
 249
 250             /// retrieve extras from intent
 251             mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 252             if (mAccount != null) {
 253                 String ocVersion = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION);
 254                 String ocVersionString = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION_STRING);
 255                 if (ocVersion != null) {
 256                     mDiscoveredVersion = new OwnCloudVersion(ocVersion, ocVersionString);
 257                 }
 258                 mHostBaseUrl = normalizeUrl(mAccountMgr.getUserData(mAccount, Constants.KEY_OC_BASE_URL));
 259                 mHostUrlInput.setText(mHostBaseUrl);
 260                 String userName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 261                 mUsernameInput.setText(userName);
 262
 263             }
 264             initAuthorizationMethod();  // checks intent and setup.xml to determine mCurrentAuthorizationMethod
 265             mJustCreated = true;
 266
 267             if (mAction == ACTION_UPDATE_TOKEN || !mHostUrlInputEnabled) {
 268                 checkOcServer();
 269             }
 270
 271         } else {
 272             mResumed = true;
 273             /// connection state and info
 274             mAuthMessageVisibility = savedInstanceState.getInt(KEY_AUTH_MESSAGE_VISIBILITY);
 275             mAuthMessageText = savedInstanceState.getString(KEY_AUTH_MESSAGE_TEXT);
 276             mServerIsValid = savedInstanceState.getBoolean(KEY_SERVER_VALID);
 277             mServerIsChecked = savedInstanceState.getBoolean(KEY_SERVER_CHECKED);
 278             mServerStatusText = savedInstanceState.getInt(KEY_SERVER_STATUS_TEXT);
 279             mServerStatusIcon = savedInstanceState.getInt(KEY_SERVER_STATUS_ICON);
 280             mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 281             mAuthStatusText = savedInstanceState.getInt(KEY_AUTH_STATUS_TEXT);
 282             mAuthStatusIcon = savedInstanceState.getInt(KEY_AUTH_STATUS_ICON);
 283             if (savedInstanceState.getBoolean(KEY_PASSWORD_VISIBLE, false)) {
 284                 showPassword();
 285             }
 286
 287             /// server data
 288             String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 289             String ocVersionString = savedInstanceState.getString(KEY_OC_VERSION_STRING);
 290             if (ocVersion != null) {
 291                 mDiscoveredVersion = new OwnCloudVersion(ocVersion, ocVersionString);
 292             }
 293             mHostBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 294
 295             // account data, if updating
 296             mAccount = savedInstanceState.getParcelable(KEY_ACCOUNT);
 297             mAuthTokenType = savedInstanceState.getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 298             if (mAuthTokenType == null) {
 299                 mAuthTokenType =  AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 300
 301             }
 302
 303             // check if server check was interrupted by a configuration change
 304             if (savedInstanceState.getBoolean(KEY_SERVER_CHECK_IN_PROGRESS, false)) {
 305                 checkOcServer();
 306             }
 307
 308             // refresh button enabled
 309             refreshButtonEnabled = savedInstanceState.getBoolean(KEY_REFRESH_BUTTON_ENABLED);
 310
 311
 312         }
 313
 314         if (mAuthMessageVisibility== View.VISIBLE) {
 315             showAuthMessage(mAuthMessageText);
 316         }
 317         else {
 318             hideAuthMessage();
 319         }
 320         adaptViewAccordingToAuthenticationMethod();
 321         showServerStatus();
 322         showAuthStatus();
 323
 324         if (mAction == ACTION_UPDATE_TOKEN) {
 325             /// lock things that should not change
 326             mHostUrlInput.setEnabled(false);
 327             mHostUrlInput.setFocusable(false);
 328             mUsernameInput.setEnabled(false);
 329             mUsernameInput.setFocusable(false);
 330             mOAuth2Check.setVisibility(View.GONE);
 331         }
 332
 333         //if (mServerIsChecked && !mServerIsValid && mRefreshButtonEnabled) showRefreshButton();
 334         if (mServerIsChecked && !mServerIsValid && refreshButtonEnabled) showRefreshButton();
 335         mOkButton.setEnabled(mServerIsValid); // state not automatically recovered in configuration changes
 336
 337         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) ||
 338                 !AUTH_OPTIONAL.equals(getString(R.string.auth_method_oauth2))) {
 339             mOAuth2Check.setVisibility(View.GONE);
 340         }
 341
 342         mPasswordInput.setText("");     // clean password to avoid social hacking (disadvantage: password in removed if the device is turned aside)
 343
 344         /// bind view elements to listeners and other friends
 345         mHostUrlInput.setOnFocusChangeListener(this);
 346         mHostUrlInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 347         mHostUrlInput.setOnEditorActionListener(this);
 348         mHostUrlInput.addTextChangedListener(new TextWatcher() {
 349
 350             @Override
 351             public void afterTextChanged(Editable s) {
 352                 if (!mHostBaseUrl.equals(normalizeUrl(mHostUrlInput.getText().toString()))) {
 353                     mOkButton.setEnabled(false);
 354                 }
 355             }
 356
 357             @Override
 358             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 359             }
 360
 361             @Override
 362             public void onTextChanged(CharSequence s, int start, int before, int count) {
 363                 if (!mResumed) {
 364                     mAuthStatusIcon = 0;
 365                     mAuthStatusText = 0;
 366                     showAuthStatus();
 367                 }
 368                 mResumed = false;
 369             }
 370         });
 371
 372         mPasswordInput.setOnFocusChangeListener(this);
 373         mPasswordInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
 374         mPasswordInput.setOnEditorActionListener(this);
 375         mPasswordInput.setOnTouchListener(new RightDrawableOnTouchListener() {
 376             @Override
 377             public boolean onDrawableTouch(final MotionEvent event) {
 378                 if (event.getAction() == MotionEvent.ACTION_UP) {
 379                     AuthenticatorActivity.this.onViewPasswordClick();
 380                 }
 381                 return true;
 382             }
 383         });
 384
 385         findViewById(R.id.scroll).setOnTouchListener(new OnTouchListener() {
 386             @Override
 387             public boolean onTouch(View view, MotionEvent event) {
 388                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 389                     if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
 390                             mHostUrlInput.hasFocus()) {
 391                         checkOcServer();
 392                     }
 393                 }
 394                 return false;
 395             }
 396         });
 397     }
 398
 399
 400
 401     private void initAuthorizationMethod() {
 402         boolean oAuthRequired = false;
 403         boolean samlWebSsoRequired = false;
 404
 405         mAuthTokenType = getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 406         mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 407
 408         // TODO could be a good moment to validate the received token type, if not null
 409
 410         if (mAuthTokenType == null) {
 411             if (mAccount != null) {
 412                 /// same authentication method than the one used to create the account to update
 413                 oAuthRequired = (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2) != null);
 414                 samlWebSsoRequired = (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO) != null);
 415
 416             } else {
 417                 /// use the one set in setup.xml
 418                 oAuthRequired = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
 419                 samlWebSsoRequired = AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));
 420             }
 421             if (oAuthRequired) {
 422                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
 423             } else if (samlWebSsoRequired) {
 424                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 425             } else {
 426                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 427             }
 428         }
 429
 430         if (mAccount != null) {
 431             String userName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 432             mUsernameInput.setText(userName);
 433         }
 434
 435         mOAuth2Check.setChecked(AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType));
 436
 437     }
 438
 439     /**
 440      * Saves relevant state before {@link #onPause()}
 441      *
 442      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag, intended to defer the
 443      * processing of the redirection caught in {@link #onNewIntent(Intent)} until {@link #onResume()}
 444      *
 445      * See {@link #loadSavedInstanceState(Bundle)}
 446      */
 447     @Override
 448     protected void onSaveInstanceState(Bundle outState) {
 449         super.onSaveInstanceState(outState);
 450
 451         /// connection state and info
 452         outState.putInt(KEY_AUTH_MESSAGE_VISIBILITY, mAuthMessage.getVisibility());
 453         outState.putString(KEY_AUTH_MESSAGE_TEXT, mAuthMessage.getText().toString());
 454         outState.putInt(KEY_SERVER_STATUS_TEXT, mServerStatusText);
 455         outState.putInt(KEY_SERVER_STATUS_ICON, mServerStatusIcon);
 456         outState.putBoolean(KEY_SERVER_VALID, mServerIsValid);
 457         outState.putBoolean(KEY_SERVER_CHECKED, mServerIsChecked);
 458         outState.putBoolean(KEY_SERVER_CHECK_IN_PROGRESS, (!mServerIsValid && mOcServerChkOperation != null));
 459         outState.putBoolean(KEY_IS_SSL_CONN, mIsSslConn);
 460         outState.putBoolean(KEY_PASSWORD_VISIBLE, isPasswordVisible());
 461         outState.putInt(KEY_AUTH_STATUS_ICON, mAuthStatusIcon);
 462         outState.putInt(KEY_AUTH_STATUS_TEXT, mAuthStatusText);
 463
 464         /// server data
 465         if (mDiscoveredVersion != null) {
 466             outState.putString(KEY_OC_VERSION, mDiscoveredVersion.getVersion());
 467             outState.putString(KEY_OC_VERSION_STRING, mDiscoveredVersion.getVersionString());
 468         }
 469         outState.putString(KEY_HOST_URL_TEXT, mHostBaseUrl);
 470
 471         /// account data, if updating
 472         if (mAccount != null) {
 473             outState.putParcelable(KEY_ACCOUNT, mAccount);
 474         }
 475         outState.putString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE, mAuthTokenType);
 476
 477         // refresh button enabled
 478         outState.putBoolean(KEY_REFRESH_BUTTON_ENABLED, (mRefreshButton.getVisibility() == View.VISIBLE));
 479
 480
 481     }
 482
 483
 484     /**
 485      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION request
 486      * is caught here.
 487      *
 488      * To make this possible, this activity needs to be qualified with android:launchMode = "singleTask" in the
 489      * AndroidManifest.xml file.
 490      */
 491     @Override
 492     protected void onNewIntent (Intent intent) {
 493         Log_OC.d(TAG, "onNewIntent()");
 494         Uri data = intent.getData();
 495         if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) {
 496             mNewCapturedUriFromOAuth2Redirection = data;
 497         }
 498     }
 499
 500
 501     /**
 502      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION, and
 503      * deferred in {@link #onNewIntent(Intent)}, is processed here.
 504      */
 505     @Override
 506     protected void onResume() {
 507         super.onResume();
 508         if (mAction == ACTION_UPDATE_TOKEN && mJustCreated && getIntent().getBooleanExtra(EXTRA_ENFORCED_UPDATE, false)) {
 509             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 510                 //Toast.makeText(this, R.string.auth_expired_oauth_token_toast, Toast.LENGTH_LONG).show();
 511                 showAuthMessage(getString(R.string.auth_expired_oauth_token_toast));
 512             } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 513                 //Toast.makeText(this, R.string.auth_expired_saml_sso_token_toast, Toast.LENGTH_LONG).show();
 514                 showAuthMessage(getString(R.string.auth_expired_saml_sso_token_toast));
 515             } else {
 516                 //Toast.makeText(this, R.string.auth_expired_basic_auth_toast, Toast.LENGTH_LONG).show();
 517                 showAuthMessage(getString(R.string.auth_expired_basic_auth_toast));
 518             }
 519         }
 520
 521         if (mNewCapturedUriFromOAuth2Redirection != null) {
 522             getOAuth2AccessTokenFromCapturedRedirection();
 523         }
 524
 525         mJustCreated = false;
 526
 527     }
 528
 529
 530     /**
 531      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 532      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 533      */
 534     private void getOAuth2AccessTokenFromCapturedRedirection() {
 535         /// Parse data from OAuth redirection
 536         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 537         mNewCapturedUriFromOAuth2Redirection = null;
 538
 539         /// Showing the dialog with instructions for the user.
 540         showDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
 541
 542         /// GET ACCESS TOKEN to the oAuth server
 543         RemoteOperation operation = new OAuth2GetAccessToken(   getString(R.string.oauth2_client_id),
 544                 getString(R.string.oauth2_redirect_uri),
 545                 getString(R.string.oauth2_grant_type),
 546                 queryParameters);
 547         //OwnCloudClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(getString(R.string.oauth2_url_endpoint_access)), getApplicationContext());
 548         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mOAuthTokenEndpointText.getText().toString().trim()), getApplicationContext(), true);
 549         operation.execute(client, this, mHandler);
 550     }
 551
 552
 553
 554     /**
 555      * Handles the change of focus on the text inputs for the server URL and the password
 556      */
 557     public void onFocusChange(View view, boolean hasFocus) {
 558         if (view.getId() == R.id.hostUrlInput) {
 559             if (!hasFocus) {
 560                 onUrlInputFocusLost((TextView) view);
 561             }
 562             else {
 563                 hideRefreshButton();
 564             }
 565
 566         } else if (view.getId() == R.id.account_password) {
 567             onPasswordFocusChanged((TextView) view, hasFocus);
 568         }
 569     }
 570
 571
 572     /**
 573      * Handles changes in focus on the text input for the server URL.
 574      *
 575      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 576      * other field. The operation to check the existence of the server in the entered URL is
 577      * started.
 578      *
 579      * When hasFocus:    user 'comes back' to write again the server URL.
 580      *
 581      * @param hostInput     TextView with the URL input field receiving the change of focus.
 582      */
 583     private void onUrlInputFocusLost(TextView hostInput) {
 584         if (!mHostBaseUrl.equals(normalizeUrl(mHostUrlInput.getText().toString()))) {
 585             checkOcServer();
 586         } else {
 587             mOkButton.setEnabled(mServerIsValid);
 588             if (!mServerIsValid) {
 589                 showRefreshButton();
 590             }
 591         }
 592     }
 593
 594
 595     private void checkOcServer() {
 596         String uri = trimUrlWebdav(mHostUrlInput.getText().toString().trim());
 597
 598         if (!mHostUrlInputEnabled){
 599             uri = getString(R.string.server_url);
 600         }
 601
 602         mServerIsValid = false;
 603         mServerIsChecked = false;
 604         mOkButton.setEnabled(false);
 605         mDiscoveredVersion = null;
 606         hideRefreshButton();
 607         if (uri.length() != 0) {
 608             mServerStatusText = R.string.auth_testing_connection;
 609             mServerStatusIcon = R.drawable.progress_small;
 610             showServerStatus();
 611             mOcServerChkOperation = new  GetRemoteStatusOperation(uri, this);
 612             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(uri), this, true);
 613             mOperationThread = mOcServerChkOperation.execute(client, this, mHandler);
 614         } else {
 615             mServerStatusText = 0;
 616             mServerStatusIcon = 0;
 617             showServerStatus();
 618         }
 619     }
 620
 621
 622     /**
 623      * Handles changes in focus on the text input for the password (basic authorization).
 624      *
 625      * When (hasFocus), the button to toggle password visibility is shown.
 626      *
 627      * When (!hasFocus), the button is made invisible and the password is hidden.
 628      *
 629      * @param passwordInput    TextView with the password input field receiving the change of focus.
 630      * @param hasFocus          'True' if focus is received, 'false' if is lost
 631      */
 632     private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {
 633         if (hasFocus) {
 634             showViewPasswordButton();
 635         } else {
 636             hidePassword();
 637             hidePasswordButton();
 638         }
 639     }
 640
 641
 642     private void showViewPasswordButton() {
 643         //int drawable = android.R.drawable.ic_menu_view;
 644         int drawable = R.drawable.ic_view;
 645         if (isPasswordVisible()) {
 646             //drawable = android.R.drawable.ic_secure;
 647             drawable = R.drawable.ic_hide;
 648         }
 649         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 650     }
 651
 652     private boolean isPasswordVisible() {
 653         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 654     }
 655
 656     private void hidePasswordButton() {
 657         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 658     }
 659
 660     private void showPassword() {
 661         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 662         showViewPasswordButton();
 663     }
 664
 665     private void hidePassword() {
 666         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
 667         showViewPasswordButton();
 668     }
 669
 670
 671     /**
 672      * Cancels the authenticator activity
 673      *
 674      * IMPORTANT ENTRY POINT 3: Never underestimate the importance of cancellation
 675      *
 676      * This method is bound in the layout/acceoun_setup.xml resource file.
 677      *
 678      * @param view      Cancel button
 679      */
 680     public void onCancelClick(View view) {
 681         setResult(RESULT_CANCELED);     // TODO review how is this related to AccountAuthenticator (debugging)
 682         finish();
 683     }
 684
 685
 686
 687     /**
 688      * Checks the credentials of the user in the root of the ownCloud server
 689      * before creating a new local account.
 690      *
 691      * For basic authorization, a check of existence of the root folder is
 692      * performed.
 693      *
 694      * For OAuth, starts the flow to get an access token; the credentials test
 695      * is postponed until it is available.
 696      *
 697      * IMPORTANT ENTRY POINT 4
 698      *
 699      * @param view      OK button
 700      */
 701     public void onOkClick(View view) {
 702         // this check should be unnecessary
 703         if (mDiscoveredVersion == null || !mDiscoveredVersion.isVersionValid()  || mHostBaseUrl == null || mHostBaseUrl.length() == 0) {
 704             mServerStatusIcon = R.drawable.common_error;
 705             mServerStatusText = R.string.auth_wtf_reenter_URL;
 706             showServerStatus();
 707             mOkButton.setEnabled(false);
 708             Log_OC.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");
 709             return;
 710         }
 711
 712         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 713             startOauthorization();
 714         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 715             startSamlBasedFederatedSingleSignOnAuthorization();
 716         } else {
 717             checkBasicAuthorization();
 718         }
 719     }
 720
 721
 722     /**
 723      * Tests the credentials entered by the user performing a check of existence on
 724      * the root folder of the ownCloud server.
 725      */
 726     private void checkBasicAuthorization() {
 727         /// get the path to the root folder through WebDAV from the version server
 728         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 729
 730         /// get basic credentials entered by user
 731         String username = mUsernameInput.getText().toString();
 732         String password = mPasswordInput.getText().toString();
 733
 734         /// be gentle with the user
 735         showDialog(DIALOG_LOGIN_PROGRESS);
 736
 737         /// test credentials accessing the root folder
 738         mAuthCheckOperation = new  ExistenceCheckRemoteOperation("", this, false);
 739         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, true);
 740         client.setBasicCredentials(username, password);
 741         mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
 742     }
 743
 744
 745     /**
 746      * Starts the OAuth 'grant type' flow to get an access token, with
 747      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 748      */
 749     private void startOauthorization() {
 750         // be gentle with the user
 751         mAuthStatusIcon = R.drawable.progress_small;
 752         mAuthStatusText = R.string.oauth_login_connection;
 753         showAuthStatus();
 754
 755
 756         // GET AUTHORIZATION request
 757         //Uri uri = Uri.parse(getString(R.string.oauth2_url_endpoint_auth));
 758         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 759         Uri.Builder uriBuilder = uri.buildUpon();
 760         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type));
 761         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri));
 762         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id));
 763         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope));
 764         //uriBuilder.appendQueryParameter(OAuth2Constants.KEY_STATE, whateverwewant);
 765         uri = uriBuilder.build();
 766         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 767         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 768         startActivity(i);
 769     }
 770
 771
 772     /**
 773      * Starts the Web Single Sign On flow to get access to the root folder
 774      * in the server.
 775      */
 776     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 777         // be gentle with the user
 778         mAuthStatusIcon = R.drawable.progress_small;
 779         mAuthStatusText = R.string.auth_connecting_auth_server;
 780         showAuthStatus();
 781         showDialog(DIALOG_LOGIN_PROGRESS);
 782
 783         /// get the path to the root folder through WebDAV from the version server
 784         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 785
 786         /// test credentials accessing the root folder
 787         mAuthCheckOperation = new  ExistenceCheckRemoteOperation("", this, false);
 788         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, false);
 789         mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
 790
 791     }
 792
 793     /**
 794      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 795      *
 796      * Dispatches the operation flow to the right method.
 797      */
 798     @Override
 799     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 800
 801         if (operation instanceof GetRemoteStatusOperation) {
 802             onOcServerCheckFinish((GetRemoteStatusOperation) operation, result);
 803
 804         } else if (operation instanceof OAuth2GetAccessToken) {
 805             onGetOAuthAccessTokenFinish((OAuth2GetAccessToken)operation, result);
 806
 807         } else if (operation instanceof ExistenceCheckRemoteOperation)  {
 808             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 809                 onSamlBasedFederatedSingleSignOnAuthorizationStart(operation, result);
 810
 811             } else {
 812                 onAuthorizationCheckFinish((ExistenceCheckRemoteOperation)operation, result);
 813             }
 814         } else if (operation instanceof GetRemoteUserNameOperation) {
 815             onGetUserNameFinish((GetRemoteUserNameOperation) operation, result);
 816
 817         } else if (operation instanceof DetectAuthenticationMethodOperation) {
 818             onDetectAutheticationFinish((DetectAuthenticationMethodOperation) operation, result);
 819         }
 820
 821     }
 822
 823     private void onDetectAutheticationFinish(DetectAuthenticationMethodOperation operation, RemoteOperationResult result) {
 824         // Read authentication method
 825         if (result.getData().size() > 0) {
 826             AuthenticationMethod authMethod = (AuthenticationMethod) result.getData().get(0);
 827             String basic = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 828             String oAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
 829             String saml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 830
 831             if ( ( mAuthTokenType.equals(basic) && !authMethod.equals(AuthenticationMethod.BASIC_HTTP_AUTH) ) ||
 832                     ( mAuthTokenType.equals(oAuth) && !authMethod.equals(AuthenticationMethod.BEARER_TOKEN) ) ||
 833                     ( mAuthTokenType.equals(saml)  && !authMethod.equals(AuthenticationMethod.SAML_WEB_SSO) ) ) {
 834
 835                 mOkButton.setEnabled(false);
 836                 mServerIsValid = false;
 837                 //show an alert message ( Server Status )
 838                 updateServerStatusIconNoRegularAuth();
 839                 showServerStatus();
 840
 841             } else {
 842                 mOkButton.setEnabled(true);
 843
 844                 // Show server status
 845                 showServerStatus();
 846             }
 847
 848         }
 849     }
 850
 851
 852
 853     private void onGetUserNameFinish(GetRemoteUserNameOperation operation, RemoteOperationResult result) {
 854
 855         if (result.isSuccess()) {
 856             boolean success = false;
 857             String username = operation.getUserName();
 858
 859             if ( mAction == ACTION_CREATE) {
 860                 mUsernameInput.setText(username);
 861                 success = createAccount();
 862             } else {
 863
 864                 if (!mUsernameInput.getText().toString().equals(username)) {
 865                     // fail - not a new account, but an existing one; disallow
 866                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
 867                     updateAuthStatusIconAndText(result);
 868                     showAuthStatus();
 869                     Log_OC.d(TAG, result.getLogMessage());
 870                 } else {
 871                     updateToken();
 872                     success = true;
 873                 }
 874             }
 875
 876             if (success)
 877                 finish();
 878         } else {
 879             updateStatusIconFailUserName();
 880             showAuthStatus();
 881             Log_OC.e(TAG, "Access to user name failed: " + result.getLogMessage());
 882         }
 883
 884     }
 885
 886     private void onSamlBasedFederatedSingleSignOnAuthorizationStart(RemoteOperation operation, RemoteOperationResult result) {
 887         try {
 888             dismissDialog(DIALOG_LOGIN_PROGRESS);
 889         } catch (IllegalArgumentException e) {
 890             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
 891         }
 892
 893         //if (result.isTemporalRedirection() && result.isIdPRedirection()) {
 894         if (result.isIdPRedirection()) {
 895             String url = result.getRedirectedLocation();
 896             String targetUrl = mHostBaseUrl + AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 897
 898             // Show dialog
 899             mSamlDialog = SamlWebViewDialog.newInstance(url, targetUrl);
 900             mSamlDialog.show(getSupportFragmentManager(), TAG_SAML_DIALOG);
 901
 902             mAuthStatusIcon = 0;
 903             mAuthStatusText = 0;
 904
 905         } else {
 906             mAuthStatusIcon = R.drawable.common_error;
 907             mAuthStatusText = R.string.auth_unsupported_auth_method;
 908
 909         }
 910         showAuthStatus();
 911     }
 912
 913
 914     /**
 915      * Processes the result of the server check performed when the user finishes the enter of the
 916      * server URL.
 917      *
 918      * @param operation     Server check performed.
 919      * @param result        Result of the check.
 920      */
 921     private void onOcServerCheckFinish(GetRemoteStatusOperation operation, RemoteOperationResult result) {
 922         if (operation.equals(mOcServerChkOperation)) {
 923             /// save result state
 924             mServerIsChecked = true;
 925             mServerIsValid = result.isSuccess();
 926             mIsSslConn = (result.getCode() == ResultCode.OK_SSL);
 927             mOcServerChkOperation = null;
 928
 929
 930             /// retrieve discovered version and normalize server URL
 931             mDiscoveredVersion = operation.getDiscoveredVersion();
 932             mHostBaseUrl = normalizeUrl(mHostUrlInput.getText().toString());
 933
 934             // Refresh server status, but don't show it
 935             updateServerStatusIconAndText(result);
 936
 937             /// update status icon and text
 938             if (mServerIsValid) {
 939                 hideRefreshButton();
 940                 // Try to create an account with user and pass "", to know if it is a regular server
 941                 // Update connect button in the answer of this method
 942                 detectAuthorizationMethod();
 943             } else {
 944                 showRefreshButton();
 945                 // Show server status
 946                 showServerStatus();
 947             }
 948
 949             /// very special case (TODO: move to a common place for all the remote operations)
 950             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
 951                 showUntrustedCertDialog(result);
 952             }
 953
 954
 955         }   // else nothing ; only the last check operation is considered;
 956         // multiple can be triggered if the user amends a URL before a previous check can be triggered
 957     }
 958
 959
 960     /**
 961      *  Try to access with  user/pass ""/"", to know if it is a regular server
 962      */
 963     private void detectAuthorizationMethod() {
 964
 965         Log_OC.d(TAG, "Trying empty authorization to detect authentication method");
 966
 967         /// get the path to the root folder through WebDAV from the version server
 968         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 969
 970         /// test credentials
 971         mDetectAuthenticationOperation = new DetectAuthenticationMethodOperation(this);
 972         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, true);
 973         mOperationThread = mDetectAuthenticationOperation.execute(client, this, mHandler);
 974     }
 975
 976
 977     private String normalizeUrl(String url) {
 978         if (url != null && url.length() > 0) {
 979             url = url.trim();
 980             if (!url.toLowerCase().startsWith("http://") &&
 981                     !url.toLowerCase().startsWith("https://")) {
 982                 if (mIsSslConn) {
 983                     url = "https://" + url;
 984                 } else {
 985                     url = "http://" + url;
 986                 }
 987             }
 988
 989             // OC-208: Add suffix remote.php/webdav to normalize (OC-34)
 990             url = trimUrlWebdav(url);
 991
 992             if (url.endsWith("/")) {
 993                 url = url.substring(0, url.length() - 1);
 994             }
 995
 996         }
 997         return (url != null ? url : "");
 998     }
 999
1000
1001     private String trimUrlWebdav(String url){
1002         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){
1003             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length());
1004         } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){
1005             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length());
1006         } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){
1007             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length());
1008         }
1009         return (url != null ? url : "");
1010     }
1011
1012
1013     /**
1014      * Chooses the right icon and text to show to the user for the received operation result.
1015      *
1016      * @param result    Result of a remote operation performed in this activity
1017      */
1018     private void updateServerStatusIconAndText(RemoteOperationResult result) {
1019         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1020
1021         switch (result.getCode()) {
1022         case OK_SSL:
1023             mServerStatusIcon = android.R.drawable.ic_secure;
1024             mServerStatusText = R.string.auth_secure_connection;
1025             break;
1026
1027         case OK_NO_SSL:
1028         case OK:
1029             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1030                 mServerStatusText = R.string.auth_connection_established;
1031                 mServerStatusIcon = R.drawable.ic_ok;
1032             } else {
1033                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1034                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
1035             }
1036             break;
1037
1038         case NO_NETWORK_CONNECTION:
1039             mServerStatusIcon = R.drawable.no_network;
1040             mServerStatusText = R.string.auth_no_net_conn_title;
1041             break;
1042
1043         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1044             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1045             break;
1046         case BAD_OC_VERSION:
1047             mServerStatusText = R.string.auth_bad_oc_version_title;
1048             break;
1049         case WRONG_CONNECTION:
1050             mServerStatusText = R.string.auth_wrong_connection_title;
1051             break;
1052         case TIMEOUT:
1053             mServerStatusText = R.string.auth_timeout_title;
1054             break;
1055         case INCORRECT_ADDRESS:
1056             mServerStatusText = R.string.auth_incorrect_address_title;
1057             break;
1058         case SSL_ERROR:
1059             mServerStatusText = R.string.auth_ssl_general_error_title;
1060             break;
1061         case UNAUTHORIZED:
1062             mServerStatusText = R.string.auth_unauthorized;
1063             break;
1064         case HOST_NOT_AVAILABLE:
1065             mServerStatusText = R.string.auth_unknown_host_title;
1066             break;
1067         case INSTANCE_NOT_CONFIGURED:
1068             mServerStatusText = R.string.auth_not_configured_title;
1069             break;
1070         case FILE_NOT_FOUND:
1071             mServerStatusText = R.string.auth_incorrect_path_title;
1072             break;
1073         case OAUTH2_ERROR:
1074             mServerStatusText = R.string.auth_oauth_error;
1075             break;
1076         case OAUTH2_ERROR_ACCESS_DENIED:
1077             mServerStatusText = R.string.auth_oauth_error_access_denied;
1078             break;
1079         case UNHANDLED_HTTP_CODE:
1080         case UNKNOWN_ERROR:
1081             mServerStatusText = R.string.auth_unknown_error_title;
1082             break;
1083         default:
1084             mServerStatusText = 0;
1085             mServerStatusIcon = 0;
1086         }
1087     }
1088
1089
1090     /**
1091      * Chooses the right icon and text to show to the user for the received operation result.
1092      *
1093      * @param result    Result of a remote operation performed in this activity
1094      */
1095     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1096         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1097
1098         switch (result.getCode()) {
1099         case OK_SSL:
1100             mAuthStatusIcon = android.R.drawable.ic_secure;
1101             mAuthStatusText = R.string.auth_secure_connection;
1102             break;
1103
1104         case OK_NO_SSL:
1105         case OK:
1106             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1107                 mAuthStatusText = R.string.auth_connection_established;
1108                 mAuthStatusIcon = R.drawable.ic_ok;
1109             } else {
1110                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1111                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
1112             }
1113             break;
1114
1115         case NO_NETWORK_CONNECTION:
1116             mAuthStatusIcon = R.drawable.no_network;
1117             mAuthStatusText = R.string.auth_no_net_conn_title;
1118             break;
1119
1120         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1121             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1122             break;
1123         case BAD_OC_VERSION:
1124             mAuthStatusText = R.string.auth_bad_oc_version_title;
1125             break;
1126         case WRONG_CONNECTION:
1127             mAuthStatusText = R.string.auth_wrong_connection_title;
1128             break;
1129         case TIMEOUT:
1130             mAuthStatusText = R.string.auth_timeout_title;
1131             break;
1132         case INCORRECT_ADDRESS:
1133             mAuthStatusText = R.string.auth_incorrect_address_title;
1134             break;
1135         case SSL_ERROR:
1136             mAuthStatusText = R.string.auth_ssl_general_error_title;
1137             break;
1138         case UNAUTHORIZED:
1139             mAuthStatusText = R.string.auth_unauthorized;
1140             break;
1141         case HOST_NOT_AVAILABLE:
1142             mAuthStatusText = R.string.auth_unknown_host_title;
1143             break;
1144         case INSTANCE_NOT_CONFIGURED:
1145             mAuthStatusText = R.string.auth_not_configured_title;
1146             break;
1147         case FILE_NOT_FOUND:
1148             mAuthStatusText = R.string.auth_incorrect_path_title;
1149             break;
1150         case OAUTH2_ERROR:
1151             mAuthStatusText = R.string.auth_oauth_error;
1152             break;
1153         case OAUTH2_ERROR_ACCESS_DENIED:
1154             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1155             break;
1156         case ACCOUNT_NOT_NEW:
1157             mAuthStatusText = R.string.auth_account_not_new;
1158             break;
1159         case ACCOUNT_NOT_THE_SAME:
1160             mAuthStatusText = R.string.auth_account_not_the_same;
1161             break;
1162         case UNHANDLED_HTTP_CODE:
1163         case UNKNOWN_ERROR:
1164             mAuthStatusText = R.string.auth_unknown_error_title;
1165             break;
1166         default:
1167             mAuthStatusText = 0;
1168             mAuthStatusIcon = 0;
1169         }
1170     }
1171
1172
1173     private void updateStatusIconFailUserName(){
1174         mAuthStatusIcon = R.drawable.common_error;
1175         mAuthStatusText = R.string.auth_fail_get_user_name;
1176     }
1177
1178     private void updateServerStatusIconNoRegularAuth(){
1179         mServerStatusIcon = R.drawable.common_error;
1180         mServerStatusText = R.string.auth_can_not_auth_against_server;
1181     }
1182
1183     /**
1184      * Processes the result of the request for and access token send
1185      * to an OAuth authorization server.
1186      *
1187      * @param operation     Operation performed requesting the access token.
1188      * @param result        Result of the operation.
1189      */
1190     private void onGetOAuthAccessTokenFinish(OAuth2GetAccessToken operation, RemoteOperationResult result) {
1191         try {
1192             dismissDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
1193         } catch (IllegalArgumentException e) {
1194             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
1195         }
1196
1197         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
1198         if (result.isSuccess() && webdav_path != null) {
1199             /// be gentle with the user
1200             showDialog(DIALOG_LOGIN_PROGRESS);
1201
1202             /// time to test the retrieved access token on the ownCloud server
1203             mAuthToken = ((OAuth2GetAccessToken)operation).getResultTokenMap().get(OAuth2Constants.KEY_ACCESS_TOKEN);
1204             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1205             mAuthCheckOperation = new ExistenceCheckRemoteOperation("", this, false);
1206             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, true);
1207             client.setBearerCredentials(mAuthToken);
1208             mAuthCheckOperation.execute(client, this, mHandler);
1209
1210         } else {
1211             updateAuthStatusIconAndText(result);
1212             showAuthStatus();
1213             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1214         }
1215     }
1216
1217
1218     /**
1219      * Processes the result of the access check performed to try the user credentials.
1220      *
1221      * Creates a new account through the AccountManager.
1222      *
1223      * @param operation     Access check performed.
1224      * @param result        Result of the operation.
1225      */
1226     private void onAuthorizationCheckFinish(ExistenceCheckRemoteOperation operation, RemoteOperationResult result) {
1227         try {
1228             dismissDialog(DIALOG_LOGIN_PROGRESS);
1229         } catch (IllegalArgumentException e) {
1230             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
1231         }
1232
1233         if (result.isSuccess()) {
1234             Log_OC.d(TAG, "Successful access - time to save the account");
1235
1236             boolean success = false;
1237             if (mAction == ACTION_CREATE) {
1238                 success = createAccount();
1239
1240             } else {
1241                 updateToken();
1242                 success = true;
1243             }
1244
1245             if (success) {
1246                 finish();
1247             }
1248
1249         } else if (result.isServerFail() || result.isException()) {
1250             /// if server fail or exception in authorization, the UI is updated as when a server check failed
1251             mServerIsChecked = true;
1252             mServerIsValid = false;
1253             mIsSslConn = false;
1254             mOcServerChkOperation = null;
1255             mDiscoveredVersion = null;
1256             mHostBaseUrl = normalizeUrl(mHostUrlInput.getText().toString());
1257
1258             // update status icon and text
1259             updateServerStatusIconAndText(result);
1260             showServerStatus();
1261             mAuthStatusIcon = 0;
1262             mAuthStatusText = 0;
1263             showAuthStatus();
1264
1265             // update input controls state
1266             showRefreshButton();
1267             mOkButton.setEnabled(false);
1268
1269             // very special case (TODO: move to a common place for all the remote operations) (dangerous here?)
1270             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1271                 showUntrustedCertDialog(result);
1272             }
1273
1274         } else {    // authorization fail due to client side - probably wrong credentials
1275             updateAuthStatusIconAndText(result);
1276             showAuthStatus();
1277             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1278         }
1279     }
1280
1281
1282
1283
1284     /**
1285      * Sets the proper response to get that the Account Authenticator that started this activity saves
1286      * a new authorization token for mAccount.
1287      */
1288     private void updateToken() {
1289         Bundle response = new Bundle();
1290         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1291         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1292
1293         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1294             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1295             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1296             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1297
1298         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1299
1300             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1301             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1302             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1303
1304         } else {
1305             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1306             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1307         }
1308         setAccountAuthenticatorResult(response);
1309
1310     }
1311
1312
1313     /**
1314      * Creates a new account through the Account Authenticator that started this activity.
1315      *
1316      * This makes the account permanent.
1317      *
1318      * TODO Decide how to name the OAuth accounts
1319      */
1320     private boolean createAccount() {
1321         /// create and save new ownCloud account
1322         boolean isOAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1323         boolean isSaml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1324
1325         Uri uri = Uri.parse(mHostBaseUrl);
1326         String username = mUsernameInput.getText().toString().trim();
1327         if (isOAuth) {
1328             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1329         }
1330         String accountName = username + "@" + uri.getHost();
1331         if (uri.getPort() >= 0) {
1332             accountName += ":" + uri.getPort();
1333         }
1334         mAccount = new Account(accountName, MainApp.getAccountType());
1335         if (AccountUtils.exists(mAccount, getApplicationContext())) {
1336             // fail - not a new account, but an existing one; disallow
1337             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1338             updateAuthStatusIconAndText(result);
1339             showAuthStatus();
1340             Log_OC.d(TAG, result.getLogMessage());
1341             return false;
1342
1343         } else {
1344
1345             if (isOAuth || isSaml) {
1346                 mAccountMgr.addAccountExplicitly(mAccount, "", null);  // with external authorizations, the password is never input in the app
1347             } else {
1348                 mAccountMgr.addAccountExplicitly(mAccount, mPasswordInput.getText().toString(), null);
1349             }
1350
1351             /// add the new account as default in preferences, if there is none already
1352             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1353             if (defaultAccount == null) {
1354                 SharedPreferences.Editor editor = PreferenceManager
1355                         .getDefaultSharedPreferences(this).edit();
1356                 editor.putString("select_oc_account", accountName);
1357                 editor.commit();
1358             }
1359
1360             /// prepare result to return to the Authenticator
1361             //  TODO check again what the Authenticator makes with it; probably has the same effect as addAccountExplicitly, but it's not well done
1362             final Intent intent = new Intent();
1363             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1364             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1365             /*if (!isOAuth)
1366                 intent.putExtra(AccountManager.KEY_AUTHTOKEN,   MainApp.getAccountType()); */
1367             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1368             if (isOAuth || isSaml) {
1369                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1370             }
1371             /// add user data to the new account; TODO probably can be done in the last parameter addAccountExplicitly, or in KEY_USERDATA
1372             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_VERSION,         mDiscoveredVersion.getVersion());
1373             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_VERSION_STRING,  mDiscoveredVersion.getVersionString());
1374             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_BASE_URL,   mHostBaseUrl);
1375
1376             if (isSaml) {
1377                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1378             } else if (isOAuth) {
1379                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1380             }
1381
1382             setAccountAuthenticatorResult(intent.getExtras());
1383             setResult(RESULT_OK, intent);
1384
1385             return true;
1386         }
1387     }
1388
1389
1390     /**
1391      * {@inheritDoc}
1392      *
1393      * Necessary to update the contents of the SSL Dialog
1394      *
1395      * TODO move to some common place for all possible untrusted SSL failures
1396      */
1397     @Override
1398     protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
1399         switch (id) {
1400         case DIALOG_LOGIN_PROGRESS:
1401         case DIALOG_CERT_NOT_SAVED:
1402         case DIALOG_OAUTH2_LOGIN_PROGRESS:
1403             break;
1404         default:
1405             Log_OC.e(TAG, "Incorrect dialog called with id = " + id);
1406         }
1407     }
1408
1409
1410     /**
1411      * {@inheritDoc}
1412      */
1413     @Override
1414     protected Dialog onCreateDialog(int id) {
1415         Dialog dialog = null;
1416         switch (id) {
1417         case DIALOG_LOGIN_PROGRESS: {
1418             /// simple progress dialog
1419             ProgressDialog working_dialog = new ProgressDialog(this);
1420             working_dialog.setMessage(getResources().getString(R.string.auth_trying_to_login));
1421             working_dialog.setIndeterminate(true);
1422             working_dialog.setCancelable(true);
1423             working_dialog
1424             .setOnCancelListener(new DialogInterface.OnCancelListener() {
1425                 @Override
1426                 public void onCancel(DialogInterface dialog) {
1427                     /// TODO study if this is enough
1428                     Log_OC.i(TAG, "Login canceled");
1429                     if (mOperationThread != null) {
1430                         mOperationThread.interrupt();
1431                         finish();
1432                     }
1433                 }
1434             });
1435             dialog = working_dialog;
1436             break;
1437         }
1438         case DIALOG_OAUTH2_LOGIN_PROGRESS: {
1439             ProgressDialog working_dialog = new ProgressDialog(this);
1440             working_dialog.setMessage(String.format("Getting authorization"));
1441             working_dialog.setIndeterminate(true);
1442             working_dialog.setCancelable(true);
1443             working_dialog
1444             .setOnCancelListener(new DialogInterface.OnCancelListener() {
1445                 @Override
1446                 public void onCancel(DialogInterface dialog) {
1447                     Log_OC.i(TAG, "Login canceled");
1448                     finish();
1449                 }
1450             });
1451             dialog = working_dialog;
1452             break;
1453         }
1454         case DIALOG_CERT_NOT_SAVED: {
1455             AlertDialog.Builder builder = new AlertDialog.Builder(this);
1456             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
1457             builder.setCancelable(false);
1458             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
1459                 @Override
1460                 public void onClick(DialogInterface dialog, int which) {
1461                     dialog.dismiss();
1462                 };
1463             });
1464             dialog = builder.create();
1465             break;
1466         }
1467         default:
1468             Log_OC.e(TAG, "Incorrect dialog called with id = " + id);
1469         }
1470         return dialog;
1471     }
1472
1473
1474     /**
1475      * Starts and activity to open the 'new account' page in the ownCloud web site
1476      *
1477      * @param view      'Account register' button
1478      */
1479     public void onRegisterClick(View view) {
1480         Intent register = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url)));
1481         setResult(RESULT_CANCELED);
1482         startActivity(register);
1483     }
1484
1485
1486     /**
1487      * Updates the content and visibility state of the icon and text associated
1488      * to the last check on the ownCloud server.
1489      */
1490     private void showServerStatus() {
1491         TextView tv = (TextView) findViewById(R.id.server_status_text);
1492
1493         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1494             tv.setVisibility(View.INVISIBLE);
1495
1496         } else {
1497             tv.setText(mServerStatusText);
1498             tv.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1499             tv.setVisibility(View.VISIBLE);
1500         }
1501
1502     }
1503
1504
1505     /**
1506      * Updates the content and visibility state of the icon and text associated
1507      * to the interactions with the OAuth authorization server.
1508      */
1509     private void showAuthStatus() {
1510         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1511             mAuthStatusLayout.setVisibility(View.INVISIBLE);
1512
1513         } else {
1514             mAuthStatusLayout.setText(mAuthStatusText);
1515             mAuthStatusLayout.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1516             mAuthStatusLayout.setVisibility(View.VISIBLE);
1517         }
1518     }
1519
1520
1521     private void showRefreshButton() {
1522         mRefreshButton.setVisibility(View.VISIBLE);
1523     }
1524
1525     private void hideRefreshButton() {
1526         mRefreshButton.setVisibility(View.GONE);
1527     }
1528
1529     /**
1530      * Called when the refresh button in the input field for ownCloud host is clicked.
1531      *
1532      * Performs a new check on the URL in the input field.
1533      *
1534      * @param view      Refresh 'button'
1535      */
1536     public void onRefreshClick(View view) {
1537         checkOcServer();
1538     }
1539
1540
1541     /**
1542      * Called when the eye icon in the password field is clicked.
1543      *
1544      * Toggles the visibility of the password in the field.
1545      */
1546     public void onViewPasswordClick() {
1547         int selectionStart = mPasswordInput.getSelectionStart();
1548         int selectionEnd = mPasswordInput.getSelectionEnd();
1549         if (isPasswordVisible()) {
1550             hidePassword();
1551         } else {
1552             showPassword();
1553         }
1554         mPasswordInput.setSelection(selectionStart, selectionEnd);
1555     }
1556
1557
1558     /**
1559      * Called when the checkbox for OAuth authorization is clicked.
1560      *
1561      * Hides or shows the input fields for user & password.
1562      *
1563      * @param view      'View password' 'button'
1564      */
1565     public void onCheckClick(View view) {
1566         CheckBox oAuth2Check = (CheckBox)view;
1567         if (oAuth2Check.isChecked()) {
1568             mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1569         } else {
1570             mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1571         }
1572         adaptViewAccordingToAuthenticationMethod();
1573     }
1574
1575
1576     /**
1577      * Changes the visibility of input elements depending on
1578      * the current authorization method.
1579      */
1580     private void adaptViewAccordingToAuthenticationMethod () {
1581         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1582             // OAuth 2 authorization
1583             mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
1584             mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
1585             mUsernameInput.setVisibility(View.GONE);
1586             mPasswordInput.setVisibility(View.GONE);
1587
1588         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1589             // SAML-based web Single Sign On
1590             mOAuthAuthEndpointText.setVisibility(View.GONE);
1591             mOAuthTokenEndpointText.setVisibility(View.GONE);
1592             mUsernameInput.setVisibility(View.GONE);
1593             mPasswordInput.setVisibility(View.GONE);
1594         } else {
1595             // basic HTTP authorization
1596             mOAuthAuthEndpointText.setVisibility(View.GONE);
1597             mOAuthTokenEndpointText.setVisibility(View.GONE);
1598             mUsernameInput.setVisibility(View.VISIBLE);
1599             mPasswordInput.setVisibility(View.VISIBLE);
1600         }
1601     }
1602
1603     /**
1604      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1605      *
1606      *  Used to trigger the authentication check when the user presses 'enter' after writing the password,
1607      *  or to throw the server test when the only field on screen is the URL input field.
1608      */
1609     @Override
1610     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1611         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null && inputField.equals(mPasswordInput)) {
1612             if (mOkButton.isEnabled()) {
1613                 mOkButton.performClick();
1614             }
1615
1616         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null && inputField.equals(mHostUrlInput)) {
1617             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1618                 checkOcServer();
1619             }
1620         }
1621         return false;   // always return false to grant that the software keyboard is hidden anyway
1622     }
1623
1624
1625     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1626
1627         private int fuzz = 75;
1628
1629         /**
1630          * {@inheritDoc}
1631          */
1632         @Override
1633         public boolean onTouch(View view, MotionEvent event) {
1634             Drawable rightDrawable = null;
1635             if (view instanceof TextView) {
1636                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1637                 if (drawables.length > 2) {
1638                     rightDrawable = drawables[2];
1639                 }
1640             }
1641             if (rightDrawable != null) {
1642                 final int x = (int) event.getX();
1643                 final int y = (int) event.getY();
1644                 final Rect bounds = rightDrawable.getBounds();
1645                 if (x >= (view.getRight() - bounds.width() - fuzz) && x <= (view.getRight() - view.getPaddingRight() + fuzz)
1646                         && y >= (view.getPaddingTop() - fuzz) && y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1647
1648                     return onDrawableTouch(event);
1649                 }
1650             }
1651             return false;
1652         }
1653
1654         public abstract boolean onDrawableTouch(final MotionEvent event);
1655     }
1656
1657
1658     public void onSamlDialogSuccess(String sessionCookie) {
1659         mAuthToken = sessionCookie;
1660
1661         if (sessionCookie != null && sessionCookie.length() > 0) {
1662             mAuthToken = sessionCookie;
1663
1664             GetRemoteUserNameOperation getUserOperation = new GetRemoteUserNameOperation();
1665             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl), getApplicationContext(), true);
1666             client.setSsoSessionCookie(mAuthToken);
1667             getUserOperation.execute(client, this, mHandler);
1668         }
1669
1670
1671     }
1672
1673
1674     @Override
1675     public void onSsoFinished(String sessionCookies) {
1676         //Toast.makeText(this, "got cookies: " + sessionCookie, Toast.LENGTH_LONG).show();
1677
1678         if (sessionCookies != null && sessionCookies.length() > 0) {
1679             Log_OC.d(TAG, "Successful SSO - time to save the account");
1680             onSamlDialogSuccess(sessionCookies);
1681             Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1682             if (fd != null && fd instanceof SherlockDialogFragment) {
1683                 Dialog d = ((SherlockDialogFragment)fd).getDialog();
1684                 if (d != null && d.isShowing()) {
1685                     d.dismiss();
1686                 }
1687             }
1688
1689         } else {
1690             // TODO - show fail
1691             Log_OC.d(TAG, "SSO failed");
1692         }
1693
1694     }
1695
1696     /** Show auth_message
1697      *
1698      * @param message
1699      */
1700     private void showAuthMessage(String message) {
1701         mAuthMessage.setVisibility(View.VISIBLE);
1702         mAuthMessage.setText(message);
1703     }
1704
1705     private void hideAuthMessage() {
1706         mAuthMessage.setVisibility(View.GONE);
1707     }
1708
1709     @Override
1710     public boolean onTouchEvent(MotionEvent event) {
1711         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
1712                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1713             checkOcServer();
1714         }
1715         return super.onTouchEvent(event);
1716     }
1717
1718
1719     /**
1720      * Show untrusted cert dialog
1721      */
1722     public void showUntrustedCertDialog(X509Certificate x509Certificate, SslError error, SslErrorHandler handler) {
1723         // Show a dialog with the certificate info
1724         SslUntrustedCertDialog dialog = null;
1725         if (x509Certificate == null) {
1726             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
1727         } else {
1728             dialog = SslUntrustedCertDialog.newInstanceForFullSslError(x509Certificate, error, handler);
1729         }
1730         FragmentManager fm = getSupportFragmentManager();
1731         FragmentTransaction ft = fm.beginTransaction();
1732         ft.addToBackStack(null);
1733         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1734     }
1735
1736     /**
1737      * Show untrusted cert dialog
1738      */
1739     public void showUntrustedCertDialog(RemoteOperationResult result) {
1740         // Show a dialog with the certificate info
1741         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1742         FragmentManager fm = getSupportFragmentManager();
1743         FragmentTransaction ft = fm.beginTransaction();
1744         ft.addToBackStack(null);
1745         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1746
1747     }
1748
1749     /**
1750      * Dismiss untrusted cert dialog
1751      */
1752     public void dismissUntrustedCertDialog(){
1753         /*Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_UNTRUSTED_CERT);
1754         if (frag != null) {
1755             SslErrorViewAdapter dialog = (SslErrorViewAdapter) frag;
1756             dialog.dismiss();
1757         }
1758          */
1759     }
1760
1761     /**
1762      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1763      */
1764     public void onSavedCertificate() {
1765         Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1766         if (fd == null) {
1767             // if SAML dialog is not shown, the SslDialog was shown due to an SSL error in the server check
1768             checkOcServer();
1769         }
1770     }
1771
1772     /**
1773      * Called from SslValidatorDialog when a new server certificate could not be saved
1774      * when the user requested it.
1775      */
1776     @Override
1777     public void onFailedSavingCertificate() {
1778         showDialog(DIALOG_CERT_NOT_SAVED);
1779         cancelWebView();
1780     }
1781
1782     @Override
1783     public void onCancelCertificate() {
1784         cancelWebView();
1785     }
1786
1787
1788     public void cancelWebView() {
1789         Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1790         if (fd != null && fd instanceof SherlockDialogFragment) {
1791             Dialog d = ((SherlockDialogFragment)fd).getDialog();
1792             if (d != null && d.isShowing()) {
1793                 d.dismiss();
1794             }
1795         }
1796
1797     }
1798
1799 }