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.DialogFragment;
  39 import android.support.v4.app.Fragment;
  40 import android.support.v4.app.FragmentManager;
  41 import android.support.v4.app.FragmentTransaction;
  42 import android.text.Editable;
  43 import android.text.InputType;
  44 import android.text.TextWatcher;
  45 import android.view.KeyEvent;
  46 import android.view.MotionEvent;
  47 import android.view.View;
  48 import android.view.View.OnFocusChangeListener;
  49 import android.view.View.OnTouchListener;
  50 import android.view.Window;
  51 import android.view.inputmethod.EditorInfo;
  52 import android.webkit.SslErrorHandler;
  53 import android.widget.Button;
  54 import android.widget.CheckBox;
  55 import android.widget.EditText;
  56 import android.widget.TextView;
  57 import android.widget.TextView.OnEditorActionListener;
  58
  59 import com.actionbarsherlock.app.SherlockDialogFragment;
  60 import com.owncloud.android.MainApp;
  61 import com.owncloud.android.R;
  62 import com.owncloud.android.authentication.SsoWebViewClient.SsoWebViewClientListener;
  63 import com.owncloud.android.lib.common.accounts.AccountTypeUtils;
  64 import com.owncloud.android.lib.common.accounts.AccountUtils.Constants;
  65 import com.owncloud.android.lib.common.OwnCloudClientFactory;
  66 import com.owncloud.android.lib.common.OwnCloudClient;
  67 import com.owncloud.android.operations.OAuth2GetAccessToken;
  68
  69 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  70 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  71 import com.owncloud.android.lib.resources.status.GetRemoteStatusOperation;
  72 import com.owncloud.android.lib.common.operations.RemoteOperation;
  73 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  74 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  75 import com.owncloud.android.lib.resources.files.ExistenceCheckRemoteOperation;
  76 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  77
  78 import com.owncloud.android.ui.dialog.AlertMessageDialog;
  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     private static final String TAG_ALERT_MESSAGE_DIALOG = "alertMessagewDialog";
 134
 135     private String mHostBaseUrl;
 136     private OwnCloudVersion mDiscoveredVersion;
 137
 138     private String mAuthMessageText;
 139     private int mAuthMessageVisibility, mServerStatusText, mServerStatusIcon;
 140     private boolean mServerIsChecked, mServerIsValid, mIsSslConn;
 141     private int mAuthStatusText, mAuthStatusIcon;
 142     private TextView mAuthStatusLayout;
 143
 144     private final Handler mHandler = new Handler();
 145     private Thread mOperationThread;
 146     private GetRemoteStatusOperation mOcServerChkOperation;
 147     private ExistenceCheckRemoteOperation mAuthCheckOperation;
 148
 149     private Uri mNewCapturedUriFromOAuth2Redirection;
 150
 151     private AccountManager mAccountMgr;
 152     private boolean mJustCreated;
 153     private byte mAction;
 154     private Account mAccount;
 155
 156     private TextView mAuthMessage;
 157
 158     private EditText mHostUrlInput;
 159     private boolean mHostUrlInputEnabled;
 160     private View mRefreshButton;
 161
 162     private String mAuthTokenType;
 163
 164     private EditText mUsernameInput;
 165     private EditText mPasswordInput;
 166
 167     private CheckBox mOAuth2Check;
 168
 169     private TextView mOAuthAuthEndpointText;
 170     private TextView mOAuthTokenEndpointText;
 171
 172     private SamlWebViewDialog mSamlDialog;
 173
 174     private View mOkButton;
 175
 176     private String mAuthToken;
 177
 178     private boolean mResumed; // Control if activity is resumed
 179
 180     public static String DIALOG_UNTRUSTED_CERT = "DIALOG_UNTRUSTED_CERT";
 181
 182     private boolean mTryEmptyAuthorization = false;
 183
 184
 185     /**
 186      * {@inheritDoc}
 187      *
 188      * IMPORTANT ENTRY POINT 1: activity is shown to the user
 189      */
 190     @Override
 191     protected void onCreate(Bundle savedInstanceState) {
 192         super.onCreate(savedInstanceState);
 193         getWindow().requestFeature(Window.FEATURE_NO_TITLE);
 194
 195         /// set view and get references to view elements
 196         setContentView(R.layout.account_setup);
 197         mAuthMessage = (TextView) findViewById(R.id.auth_message);
 198         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 199         mHostUrlInput.setText(getString(R.string.server_url));  // valid although R.string.server_url is an empty string
 200         mUsernameInput = (EditText) findViewById(R.id.account_username);
 201         mPasswordInput = (EditText) findViewById(R.id.account_password);
 202         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 203         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 204         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 205         mOkButton = findViewById(R.id.buttonOK);
 206         mAuthStatusLayout = (TextView) findViewById(R.id.auth_status_text);
 207
 208         /// set Host Url Input Enabled
 209         mHostUrlInputEnabled = getResources().getBoolean(R.bool.show_server_url_input);
 210
 211         /// set visibility of link for new users
 212         boolean accountRegisterVisibility = getResources().getBoolean(R.bool.show_welcome_link);
 213         Button welcomeLink = (Button) findViewById(R.id.welcome_link);
 214         if (welcomeLink != null) {
 215             if (accountRegisterVisibility) {
 216                 welcomeLink.setVisibility(View.VISIBLE);
 217                 welcomeLink.setText(String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 218             } else {
 219                 findViewById(R.id.welcome_link).setVisibility(View.GONE);
 220             }
 221         }
 222
 223         /// initialization
 224         mAccountMgr = AccountManager.get(this);
 225         mNewCapturedUriFromOAuth2Redirection = null;
 226         mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE);
 227         mAccount = null;
 228         mHostBaseUrl = "";
 229         boolean refreshButtonEnabled = false;
 230
 231         // URL input configuration applied
 232         if (!mHostUrlInputEnabled)
 233         {
 234             findViewById(R.id.hostUrlFrame).setVisibility(View.GONE);
 235             mRefreshButton = findViewById(R.id.centeredRefreshButton);
 236
 237         } else {
 238             mRefreshButton = findViewById(R.id.embeddedRefreshButton);
 239         }
 240
 241         if (savedInstanceState == null) {
 242             mResumed = false;
 243             /// connection state and info
 244             mAuthMessageVisibility = View.GONE;
 245             mServerStatusText = mServerStatusIcon = 0;
 246             mServerIsValid = false;
 247             mServerIsChecked = false;
 248             mIsSslConn = false;
 249             mAuthStatusText = mAuthStatusIcon = 0;
 250
 251             /// retrieve extras from intent
 252             mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 253             if (mAccount != null) {
 254                 String ocVersion = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION);
 255                 String ocVersionString = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION_STRING);
 256                 if (ocVersion != null) {
 257                     mDiscoveredVersion = new OwnCloudVersion(ocVersion, ocVersionString);
 258                 }
 259                 mHostBaseUrl = normalizeUrl(mAccountMgr.getUserData(mAccount, Constants.KEY_OC_BASE_URL));
 260                 mHostUrlInput.setText(mHostBaseUrl);
 261                 String userName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 262                 mUsernameInput.setText(userName);
 263
 264             }
 265             initAuthorizationMethod();  // checks intent and setup.xml to determine mCurrentAuthorizationMethod
 266             mJustCreated = true;
 267
 268             if (mAction == ACTION_UPDATE_TOKEN || !mHostUrlInputEnabled) {
 269                 checkOcServer();
 270             }
 271
 272         } else {
 273             mResumed = true;
 274             /// connection state and info
 275             mAuthMessageVisibility = savedInstanceState.getInt(KEY_AUTH_MESSAGE_VISIBILITY);
 276             mAuthMessageText = savedInstanceState.getString(KEY_AUTH_MESSAGE_TEXT);
 277             mServerIsValid = savedInstanceState.getBoolean(KEY_SERVER_VALID);
 278             mServerIsChecked = savedInstanceState.getBoolean(KEY_SERVER_CHECKED);
 279             mServerStatusText = savedInstanceState.getInt(KEY_SERVER_STATUS_TEXT);
 280             mServerStatusIcon = savedInstanceState.getInt(KEY_SERVER_STATUS_ICON);
 281             mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 282             mAuthStatusText = savedInstanceState.getInt(KEY_AUTH_STATUS_TEXT);
 283             mAuthStatusIcon = savedInstanceState.getInt(KEY_AUTH_STATUS_ICON);
 284             if (savedInstanceState.getBoolean(KEY_PASSWORD_VISIBLE, false)) {
 285                 showPassword();
 286             }
 287
 288             /// server data
 289             String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 290             String ocVersionString = savedInstanceState.getString(KEY_OC_VERSION_STRING);
 291             if (ocVersion != null) {
 292                 mDiscoveredVersion = new OwnCloudVersion(ocVersion, ocVersionString);
 293             }
 294             mHostBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 295
 296             // account data, if updating
 297             mAccount = savedInstanceState.getParcelable(KEY_ACCOUNT);
 298             mAuthTokenType = savedInstanceState.getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 299             if (mAuthTokenType == null) {
 300                 mAuthTokenType =  AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 301
 302             }
 303
 304             // check if server check was interrupted by a configuration change
 305             if (savedInstanceState.getBoolean(KEY_SERVER_CHECK_IN_PROGRESS, false)) {
 306                 checkOcServer();
 307             }
 308
 309             // refresh button enabled
 310             refreshButtonEnabled = savedInstanceState.getBoolean(KEY_REFRESH_BUTTON_ENABLED);
 311
 312
 313         }
 314
 315         if (mAuthMessageVisibility== View.VISIBLE) {
 316             showAuthMessage(mAuthMessageText);
 317         }
 318         else {
 319             hideAuthMessage();
 320         }
 321         adaptViewAccordingToAuthenticationMethod();
 322         showServerStatus();
 323         showAuthStatus();
 324
 325         if (mAction == ACTION_UPDATE_TOKEN) {
 326             /// lock things that should not change
 327             mHostUrlInput.setEnabled(false);
 328             mHostUrlInput.setFocusable(false);
 329             mUsernameInput.setEnabled(false);
 330             mUsernameInput.setFocusable(false);
 331             mOAuth2Check.setVisibility(View.GONE);
 332         }
 333
 334         //if (mServerIsChecked && !mServerIsValid && mRefreshButtonEnabled) showRefreshButton();
 335         if (mServerIsChecked && !mServerIsValid && refreshButtonEnabled) showRefreshButton();
 336         mOkButton.setEnabled(mServerIsValid); // state not automatically recovered in configuration changes
 337
 338         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) ||
 339                 !AUTH_OPTIONAL.equals(getString(R.string.auth_method_oauth2))) {
 340             mOAuth2Check.setVisibility(View.GONE);
 341         }
 342
 343         mPasswordInput.setText("");     // clean password to avoid social hacking (disadvantage: password in removed if the device is turned aside)
 344
 345         /// bind view elements to listeners and other friends
 346         mHostUrlInput.setOnFocusChangeListener(this);
 347         mHostUrlInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 348         mHostUrlInput.setOnEditorActionListener(this);
 349         mHostUrlInput.addTextChangedListener(new TextWatcher() {
 350
 351             @Override
 352             public void afterTextChanged(Editable s) {
 353                 if (!mHostBaseUrl.equals(normalizeUrl(mHostUrlInput.getText().toString()))) {
 354                     mOkButton.setEnabled(false);
 355                 }
 356             }
 357
 358             @Override
 359             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 360             }
 361
 362             @Override
 363             public void onTextChanged(CharSequence s, int start, int before, int count) {
 364                 if (!mResumed) {
 365                     mAuthStatusIcon = 0;
 366                     mAuthStatusText = 0;
 367                     showAuthStatus();
 368                 }
 369                 mResumed = false;
 370             }
 371         });
 372
 373         mPasswordInput.setOnFocusChangeListener(this);
 374         mPasswordInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
 375         mPasswordInput.setOnEditorActionListener(this);
 376         mPasswordInput.setOnTouchListener(new RightDrawableOnTouchListener() {
 377             @Override
 378             public boolean onDrawableTouch(final MotionEvent event) {
 379                 if (event.getAction() == MotionEvent.ACTION_UP) {
 380                     AuthenticatorActivity.this.onViewPasswordClick();
 381                 }
 382                 return true;
 383             }
 384         });
 385
 386         findViewById(R.id.scroll).setOnTouchListener(new OnTouchListener() {
 387             @Override
 388             public boolean onTouch(View view, MotionEvent event) {
 389                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 390                     if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
 391                             mHostUrlInput.hasFocus()) {
 392                         checkOcServer();
 393                     }
 394                 }
 395                 return false;
 396             }
 397         });
 398     }
 399
 400
 401
 402     private void initAuthorizationMethod() {
 403         boolean oAuthRequired = false;
 404         boolean samlWebSsoRequired = false;
 405
 406         mAuthTokenType = getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 407         mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 408
 409         // TODO could be a good moment to validate the received token type, if not null
 410
 411         if (mAuthTokenType == null) {
 412             if (mAccount != null) {
 413                 /// same authentication method than the one used to create the account to update
 414                 oAuthRequired = (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2) != null);
 415                 samlWebSsoRequired = (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO) != null);
 416
 417             } else {
 418                 /// use the one set in setup.xml
 419                 oAuthRequired = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
 420                 samlWebSsoRequired = AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));
 421             }
 422             if (oAuthRequired) {
 423                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
 424             } else if (samlWebSsoRequired) {
 425                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 426             } else {
 427                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 428             }
 429         }
 430
 431         if (mAccount != null) {
 432             String userName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 433             mUsernameInput.setText(userName);
 434         }
 435
 436         mOAuth2Check.setChecked(AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType));
 437
 438     }
 439
 440     /**
 441      * Saves relevant state before {@link #onPause()}
 442      *
 443      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag, intended to defer the
 444      * processing of the redirection caught in {@link #onNewIntent(Intent)} until {@link #onResume()}
 445      *
 446      * See {@link #loadSavedInstanceState(Bundle)}
 447      */
 448     @Override
 449     protected void onSaveInstanceState(Bundle outState) {
 450         super.onSaveInstanceState(outState);
 451
 452         /// connection state and info
 453         outState.putInt(KEY_AUTH_MESSAGE_VISIBILITY, mAuthMessage.getVisibility());
 454         outState.putString(KEY_AUTH_MESSAGE_TEXT, mAuthMessage.getText().toString());
 455         outState.putInt(KEY_SERVER_STATUS_TEXT, mServerStatusText);
 456         outState.putInt(KEY_SERVER_STATUS_ICON, mServerStatusIcon);
 457         outState.putBoolean(KEY_SERVER_VALID, mServerIsValid);
 458         outState.putBoolean(KEY_SERVER_CHECKED, mServerIsChecked);
 459         outState.putBoolean(KEY_SERVER_CHECK_IN_PROGRESS, (!mServerIsValid && mOcServerChkOperation != null));
 460         outState.putBoolean(KEY_IS_SSL_CONN, mIsSslConn);
 461         outState.putBoolean(KEY_PASSWORD_VISIBLE, isPasswordVisible());
 462         outState.putInt(KEY_AUTH_STATUS_ICON, mAuthStatusIcon);
 463         outState.putInt(KEY_AUTH_STATUS_TEXT, mAuthStatusText);
 464
 465         /// server data
 466         if (mDiscoveredVersion != null) {
 467             outState.putString(KEY_OC_VERSION, mDiscoveredVersion.getVersion());
 468             outState.putString(KEY_OC_VERSION_STRING, mDiscoveredVersion.getVersionString());
 469         }
 470         outState.putString(KEY_HOST_URL_TEXT, mHostBaseUrl);
 471
 472         /// account data, if updating
 473         if (mAccount != null) {
 474             outState.putParcelable(KEY_ACCOUNT, mAccount);
 475         }
 476         outState.putString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE, mAuthTokenType);
 477
 478         // refresh button enabled
 479         outState.putBoolean(KEY_REFRESH_BUTTON_ENABLED, (mRefreshButton.getVisibility() == View.VISIBLE));
 480
 481
 482     }
 483
 484
 485     /**
 486      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION request
 487      * is caught here.
 488      *
 489      * To make this possible, this activity needs to be qualified with android:launchMode = "singleTask" in the
 490      * AndroidManifest.xml file.
 491      */
 492     @Override
 493     protected void onNewIntent (Intent intent) {
 494         Log_OC.d(TAG, "onNewIntent()");
 495         Uri data = intent.getData();
 496         if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) {
 497             mNewCapturedUriFromOAuth2Redirection = data;
 498         }
 499     }
 500
 501
 502     /**
 503      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION, and
 504      * deferred in {@link #onNewIntent(Intent)}, is processed here.
 505      */
 506     @Override
 507     protected void onResume() {
 508         super.onResume();
 509         if (mAction == ACTION_UPDATE_TOKEN && mJustCreated && getIntent().getBooleanExtra(EXTRA_ENFORCED_UPDATE, false)) {
 510             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 511                 //Toast.makeText(this, R.string.auth_expired_oauth_token_toast, Toast.LENGTH_LONG).show();
 512                 showAuthMessage(getString(R.string.auth_expired_oauth_token_toast));
 513             } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 514                 //Toast.makeText(this, R.string.auth_expired_saml_sso_token_toast, Toast.LENGTH_LONG).show();
 515                 showAuthMessage(getString(R.string.auth_expired_saml_sso_token_toast));
 516             } else {
 517                 //Toast.makeText(this, R.string.auth_expired_basic_auth_toast, Toast.LENGTH_LONG).show();
 518                 showAuthMessage(getString(R.string.auth_expired_basic_auth_toast));
 519             }
 520         }
 521
 522         if (mNewCapturedUriFromOAuth2Redirection != null) {
 523             getOAuth2AccessTokenFromCapturedRedirection();
 524         }
 525
 526         mJustCreated = false;
 527
 528     }
 529
 530
 531     /**
 532      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 533      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 534      */
 535     private void getOAuth2AccessTokenFromCapturedRedirection() {
 536         /// Parse data from OAuth redirection
 537         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 538         mNewCapturedUriFromOAuth2Redirection = null;
 539
 540         /// Showing the dialog with instructions for the user.
 541         showDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
 542
 543         /// GET ACCESS TOKEN to the oAuth server
 544         RemoteOperation operation = new OAuth2GetAccessToken(   getString(R.string.oauth2_client_id),
 545                 getString(R.string.oauth2_redirect_uri),
 546                 getString(R.string.oauth2_grant_type),
 547                 queryParameters);
 548         //OwnCloudClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(getString(R.string.oauth2_url_endpoint_access)), getApplicationContext());
 549         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mOAuthTokenEndpointText.getText().toString().trim()), getApplicationContext(), true);
 550         operation.execute(client, this, mHandler);
 551     }
 552
 553
 554
 555     /**
 556      * Handles the change of focus on the text inputs for the server URL and the password
 557      */
 558     public void onFocusChange(View view, boolean hasFocus) {
 559         if (view.getId() == R.id.hostUrlInput) {
 560             if (!hasFocus) {
 561                 onUrlInputFocusLost((TextView) view);
 562             }
 563             else {
 564                 hideRefreshButton();
 565             }
 566
 567         } else if (view.getId() == R.id.account_password) {
 568             onPasswordFocusChanged((TextView) view, hasFocus);
 569         }
 570     }
 571
 572
 573     /**
 574      * Handles changes in focus on the text input for the server URL.
 575      *
 576      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 577      * other field. The operation to check the existence of the server in the entered URL is
 578      * started.
 579      *
 580      * When hasFocus:    user 'comes back' to write again the server URL.
 581      *
 582      * @param hostInput     TextView with the URL input field receiving the change of focus.
 583      */
 584     private void onUrlInputFocusLost(TextView hostInput) {
 585         if (!mHostBaseUrl.equals(normalizeUrl(mHostUrlInput.getText().toString()))) {
 586             checkOcServer();
 587         } else {
 588             mOkButton.setEnabled(mServerIsValid);
 589             if (!mServerIsValid) {
 590                 showRefreshButton();
 591             }
 592         }
 593     }
 594
 595
 596     private void checkOcServer() {
 597         String uri = trimUrlWebdav(mHostUrlInput.getText().toString().trim());
 598
 599         if (!mHostUrlInputEnabled){
 600             uri = getString(R.string.server_url);
 601         }
 602
 603         mServerIsValid = false;
 604         mServerIsChecked = false;
 605         mOkButton.setEnabled(false);
 606         mDiscoveredVersion = null;
 607         hideRefreshButton();
 608         if (uri.length() != 0) {
 609             mServerStatusText = R.string.auth_testing_connection;
 610             mServerStatusIcon = R.drawable.progress_small;
 611             showServerStatus();
 612             mOcServerChkOperation = new  GetRemoteStatusOperation(uri, this);
 613             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(uri), this, true);
 614             mOperationThread = mOcServerChkOperation.execute(client, this, mHandler);
 615         } else {
 616             mServerStatusText = 0;
 617             mServerStatusIcon = 0;
 618             showServerStatus();
 619         }
 620     }
 621
 622
 623     /**
 624      * Handles changes in focus on the text input for the password (basic authorization).
 625      *
 626      * When (hasFocus), the button to toggle password visibility is shown.
 627      *
 628      * When (!hasFocus), the button is made invisible and the password is hidden.
 629      *
 630      * @param passwordInput    TextView with the password input field receiving the change of focus.
 631      * @param hasFocus          'True' if focus is received, 'false' if is lost
 632      */
 633     private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {
 634         if (hasFocus) {
 635             showViewPasswordButton();
 636         } else {
 637             hidePassword();
 638             hidePasswordButton();
 639         }
 640     }
 641
 642
 643     private void showViewPasswordButton() {
 644         //int drawable = android.R.drawable.ic_menu_view;
 645         int drawable = R.drawable.ic_view;
 646         if (isPasswordVisible()) {
 647             //drawable = android.R.drawable.ic_secure;
 648             drawable = R.drawable.ic_hide;
 649         }
 650         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 651     }
 652
 653     private boolean isPasswordVisible() {
 654         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 655     }
 656
 657     private void hidePasswordButton() {
 658         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 659     }
 660
 661     private void showPassword() {
 662         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 663         showViewPasswordButton();
 664     }
 665
 666     private void hidePassword() {
 667         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
 668         showViewPasswordButton();
 669     }
 670
 671
 672     /**
 673      * Cancels the authenticator activity
 674      *
 675      * IMPORTANT ENTRY POINT 3: Never underestimate the importance of cancellation
 676      *
 677      * This method is bound in the layout/acceoun_setup.xml resource file.
 678      *
 679      * @param view      Cancel button
 680      */
 681     public void onCancelClick(View view) {
 682         setResult(RESULT_CANCELED);     // TODO review how is this related to AccountAuthenticator (debugging)
 683         finish();
 684     }
 685
 686
 687
 688     /**
 689      * Checks the credentials of the user in the root of the ownCloud server
 690      * before creating a new local account.
 691      *
 692      * For basic authorization, a check of existence of the root folder is
 693      * performed.
 694      *
 695      * For OAuth, starts the flow to get an access token; the credentials test
 696      * is postponed until it is available.
 697      *
 698      * IMPORTANT ENTRY POINT 4
 699      *
 700      * @param view      OK button
 701      */
 702     public void onOkClick(View view) {
 703         // this check should be unnecessary
 704         if (mDiscoveredVersion == null || !mDiscoveredVersion.isVersionValid()  || mHostBaseUrl == null || mHostBaseUrl.length() == 0) {
 705             mServerStatusIcon = R.drawable.common_error;
 706             mServerStatusText = R.string.auth_wtf_reenter_URL;
 707             showServerStatus();
 708             mOkButton.setEnabled(false);
 709             Log_OC.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");
 710             return;
 711         }
 712
 713         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 714             startOauthorization();
 715         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 716             startSamlBasedFederatedSingleSignOnAuthorization();
 717         } else {
 718             checkBasicAuthorization();
 719         }
 720     }
 721
 722
 723     /**
 724      * Tests the credentials entered by the user performing a check of existence on
 725      * the root folder of the ownCloud server.
 726      */
 727     private void checkBasicAuthorization() {
 728         /// get the path to the root folder through WebDAV from the version server
 729         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 730
 731         /// get basic credentials entered by user
 732         String username = mUsernameInput.getText().toString();
 733         String password = mPasswordInput.getText().toString();
 734
 735         /// be gentle with the user
 736         showDialog(DIALOG_LOGIN_PROGRESS);
 737
 738         /// test credentials accessing the root folder
 739         mAuthCheckOperation = new  ExistenceCheckRemoteOperation("", this, false);
 740         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, true);
 741         client.setBasicCredentials(username, password);
 742         mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
 743     }
 744
 745
 746     /**
 747      * Starts the OAuth 'grant type' flow to get an access token, with
 748      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 749      */
 750     private void startOauthorization() {
 751         // be gentle with the user
 752         mAuthStatusIcon = R.drawable.progress_small;
 753         mAuthStatusText = R.string.oauth_login_connection;
 754         showAuthStatus();
 755
 756
 757         // GET AUTHORIZATION request
 758         //Uri uri = Uri.parse(getString(R.string.oauth2_url_endpoint_auth));
 759         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 760         Uri.Builder uriBuilder = uri.buildUpon();
 761         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type));
 762         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri));
 763         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id));
 764         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope));
 765         //uriBuilder.appendQueryParameter(OAuth2Constants.KEY_STATE, whateverwewant);
 766         uri = uriBuilder.build();
 767         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 768         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 769         startActivity(i);
 770     }
 771
 772
 773     /**
 774      * Starts the Web Single Sign On flow to get access to the root folder
 775      * in the server.
 776      */
 777     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 778         // be gentle with the user
 779         mAuthStatusIcon = R.drawable.progress_small;
 780         mAuthStatusText = R.string.auth_connecting_auth_server;
 781         showAuthStatus();
 782         showDialog(DIALOG_LOGIN_PROGRESS);
 783
 784         /// get the path to the root folder through WebDAV from the version server
 785         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 786
 787         /// test credentials accessing the root folder
 788         mAuthCheckOperation = new  ExistenceCheckRemoteOperation("", this, false);
 789         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, false);
 790         mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
 791
 792     }
 793
 794     /**
 795      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 796      *
 797      * Dispatches the operation flow to the right method.
 798      */
 799     @Override
 800     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 801
 802         if (operation instanceof GetRemoteStatusOperation) {
 803             onOcServerCheckFinish((GetRemoteStatusOperation) operation, result);
 804
 805         } else if (operation instanceof OAuth2GetAccessToken) {
 806             onGetOAuthAccessTokenFinish((OAuth2GetAccessToken)operation, result);
 807
 808         } else if (operation instanceof ExistenceCheckRemoteOperation)  {
 809             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 810                 onSamlBasedFederatedSingleSignOnAuthorizationStart(operation, result);
 811
 812             } else {
 813                 onAuthorizationCheckFinish((ExistenceCheckRemoteOperation)operation, result);
 814             }
 815         } else if (operation instanceof GetRemoteUserNameOperation) {
 816             onGetUserNameFinish((GetRemoteUserNameOperation) operation, result);
 817
 818         }
 819
 820     }
 821
 822     private void onGetUserNameFinish(GetRemoteUserNameOperation operation, RemoteOperationResult result) {
 823
 824         if (result.isSuccess()) {
 825             boolean success = false;
 826             String username = operation.getUserName();
 827
 828             if ( mAction == ACTION_CREATE) {
 829                 mUsernameInput.setText(username);
 830                 success = createAccount();
 831             } else {
 832
 833                 if (!mUsernameInput.getText().toString().equals(username)) {
 834                     // fail - not a new account, but an existing one; disallow
 835                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
 836                     updateAuthStatusIconAndText(result);
 837                     showAuthStatus();
 838                     Log_OC.d(TAG, result.getLogMessage());
 839                 } else {
 840                   updateToken();
 841                   success = true;
 842                 }
 843             }
 844
 845             if (success)
 846                 finish();
 847         } else {
 848             updateStatusIconFailUserName();
 849             showAuthStatus();
 850             Log_OC.e(TAG, "Access to user name failed: " + result.getLogMessage());
 851         }
 852
 853     }
 854
 855     private void onSamlBasedFederatedSingleSignOnAuthorizationStart(RemoteOperation operation, RemoteOperationResult result) {
 856         try {
 857             dismissDialog(DIALOG_LOGIN_PROGRESS);
 858         } catch (IllegalArgumentException e) {
 859             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
 860         }
 861
 862         //if (result.isTemporalRedirection() && result.isIdPRedirection()) {
 863         if (result.isIdPRedirection()) {
 864             String url = result.getRedirectedLocation();
 865             String targetUrl = mHostBaseUrl + AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 866
 867             // Show dialog
 868             mSamlDialog = SamlWebViewDialog.newInstance(url, targetUrl);
 869             mSamlDialog.show(getSupportFragmentManager(), TAG_SAML_DIALOG);
 870
 871             mAuthStatusIcon = 0;
 872             mAuthStatusText = 0;
 873
 874         } else {
 875             mAuthStatusIcon = R.drawable.common_error;
 876             mAuthStatusText = R.string.auth_unsupported_auth_method;
 877
 878         }
 879         showAuthStatus();
 880     }
 881
 882
 883     /**
 884      * Processes the result of the server check performed when the user finishes the enter of the
 885      * server URL.
 886      *
 887      * @param operation     Server check performed.
 888      * @param result        Result of the check.
 889      */
 890     private void onOcServerCheckFinish(GetRemoteStatusOperation operation, RemoteOperationResult result) {
 891         if (operation.equals(mOcServerChkOperation)) {
 892             /// save result state
 893             mServerIsChecked = true;
 894             mServerIsValid = result.isSuccess();
 895             mIsSslConn = (result.getCode() == ResultCode.OK_SSL);
 896             mOcServerChkOperation = null;
 897
 898
 899             /// retrieve discovered version and normalize server URL
 900             mDiscoveredVersion = operation.getDiscoveredVersion();
 901             mHostBaseUrl = normalizeUrl(mHostUrlInput.getText().toString());
 902
 903             /// update status icon and text
 904             if (mServerIsValid) {
 905                 hideRefreshButton();
 906                 // Try to create an account with user and pass "", to know if it is a regular server
 907                 // Update connect button in the answer of this method
 908                 tryEmptyAuthorization();
 909             } else {
 910                 showRefreshButton();
 911             }
 912             updateServerStatusIconAndText(result);
 913             showServerStatus();
 914
 915             /// very special case (TODO: move to a common place for all the remote operations)
 916             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
 917                 showUntrustedCertDialog(result);
 918             }
 919
 920
 921         }   // else nothing ; only the last check operation is considered;
 922         // multiple can be triggered if the user amends a URL before a previous check can be triggered
 923     }
 924
 925
 926     /**
 927      *  Try to access with  user/pass ""/"", to know if it is a regular server
 928      */
 929     private void tryEmptyAuthorization() {
 930         mTryEmptyAuthorization = true;
 931
 932         Log_OC.d(TAG, "Trying empty authorization to detect authentication method");
 933
 934         /// be gentle with the user
 935         showDialog(DIALOG_LOGIN_PROGRESS);
 936
 937         /// get the path to the root folder through WebDAV from the version server
 938         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 939
 940         /// get basic credentials entered by user
 941         String username = "";
 942         String password = "";
 943
 944         /// test credentials
 945         mAuthCheckOperation = new  ExistenceCheckRemoteOperation("", this, false);
 946         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, true);
 947         client.setBasicCredentials(username, password);
 948         mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
 949     }
 950
 951
 952     private String normalizeUrl(String url) {
 953         if (url != null && url.length() > 0) {
 954             url = url.trim();
 955             if (!url.toLowerCase().startsWith("http://") &&
 956                     !url.toLowerCase().startsWith("https://")) {
 957                 if (mIsSslConn) {
 958                     url = "https://" + url;
 959                 } else {
 960                     url = "http://" + url;
 961                 }
 962             }
 963
 964             // OC-208: Add suffix remote.php/webdav to normalize (OC-34)
 965             url = trimUrlWebdav(url);
 966
 967             if (url.endsWith("/")) {
 968                 url = url.substring(0, url.length() - 1);
 969             }
 970
 971         }
 972         return (url != null ? url : "");
 973     }
 974
 975
 976     private String trimUrlWebdav(String url){
 977         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){
 978             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length());
 979         } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){
 980             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length());
 981         } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){
 982             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length());
 983         }
 984         return (url != null ? url : "");
 985     }
 986
 987
 988     /**
 989      * Chooses the right icon and text to show to the user for the received operation result.
 990      *
 991      * @param result    Result of a remote operation performed in this activity
 992      */
 993     private void updateServerStatusIconAndText(RemoteOperationResult result) {
 994         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
 995
 996         switch (result.getCode()) {
 997         case OK_SSL:
 998             mServerStatusIcon = android.R.drawable.ic_secure;
 999             mServerStatusText = R.string.auth_secure_connection;
1000             break;
1001
1002         case OK_NO_SSL:
1003         case OK:
1004             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1005                 mServerStatusText = R.string.auth_connection_established;
1006                 mServerStatusIcon = R.drawable.ic_ok;
1007             } else {
1008                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1009                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
1010             }
1011             break;
1012
1013         case NO_NETWORK_CONNECTION:
1014             mServerStatusIcon = R.drawable.no_network;
1015             mServerStatusText = R.string.auth_no_net_conn_title;
1016             break;
1017
1018         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1019             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1020             break;
1021         case BAD_OC_VERSION:
1022             mServerStatusText = R.string.auth_bad_oc_version_title;
1023             break;
1024         case WRONG_CONNECTION:
1025             mServerStatusText = R.string.auth_wrong_connection_title;
1026             break;
1027         case TIMEOUT:
1028             mServerStatusText = R.string.auth_timeout_title;
1029             break;
1030         case INCORRECT_ADDRESS:
1031             mServerStatusText = R.string.auth_incorrect_address_title;
1032             break;
1033         case SSL_ERROR:
1034             mServerStatusText = R.string.auth_ssl_general_error_title;
1035             break;
1036         case UNAUTHORIZED:
1037             mServerStatusText = R.string.auth_unauthorized;
1038             break;
1039         case HOST_NOT_AVAILABLE:
1040             mServerStatusText = R.string.auth_unknown_host_title;
1041             break;
1042         case INSTANCE_NOT_CONFIGURED:
1043             mServerStatusText = R.string.auth_not_configured_title;
1044             break;
1045         case FILE_NOT_FOUND:
1046             mServerStatusText = R.string.auth_incorrect_path_title;
1047             break;
1048         case OAUTH2_ERROR:
1049             mServerStatusText = R.string.auth_oauth_error;
1050             break;
1051         case OAUTH2_ERROR_ACCESS_DENIED:
1052             mServerStatusText = R.string.auth_oauth_error_access_denied;
1053             break;
1054         case UNHANDLED_HTTP_CODE:
1055         case UNKNOWN_ERROR:
1056             mServerStatusText = R.string.auth_unknown_error_title;
1057             break;
1058         default:
1059             mServerStatusText = 0;
1060             mServerStatusIcon = 0;
1061         }
1062     }
1063
1064
1065     /**
1066      * Chooses the right icon and text to show to the user for the received operation result.
1067      *
1068      * @param result    Result of a remote operation performed in this activity
1069      */
1070     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1071         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1072
1073         switch (result.getCode()) {
1074         case OK_SSL:
1075             mAuthStatusIcon = android.R.drawable.ic_secure;
1076             mAuthStatusText = R.string.auth_secure_connection;
1077             break;
1078
1079         case OK_NO_SSL:
1080         case OK:
1081             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1082                 mAuthStatusText = R.string.auth_connection_established;
1083                 mAuthStatusIcon = R.drawable.ic_ok;
1084             } else {
1085                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1086                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
1087             }
1088             break;
1089
1090         case NO_NETWORK_CONNECTION:
1091             mAuthStatusIcon = R.drawable.no_network;
1092             mAuthStatusText = R.string.auth_no_net_conn_title;
1093             break;
1094
1095         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1096             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1097             break;
1098         case BAD_OC_VERSION:
1099             mAuthStatusText = R.string.auth_bad_oc_version_title;
1100             break;
1101         case WRONG_CONNECTION:
1102             mAuthStatusText = R.string.auth_wrong_connection_title;
1103             break;
1104         case TIMEOUT:
1105             mAuthStatusText = R.string.auth_timeout_title;
1106             break;
1107         case INCORRECT_ADDRESS:
1108             mAuthStatusText = R.string.auth_incorrect_address_title;
1109             break;
1110         case SSL_ERROR:
1111             mAuthStatusText = R.string.auth_ssl_general_error_title;
1112             break;
1113         case UNAUTHORIZED:
1114             mAuthStatusText = R.string.auth_unauthorized;
1115             break;
1116         case HOST_NOT_AVAILABLE:
1117             mAuthStatusText = R.string.auth_unknown_host_title;
1118             break;
1119         case INSTANCE_NOT_CONFIGURED:
1120             mAuthStatusText = R.string.auth_not_configured_title;
1121             break;
1122         case FILE_NOT_FOUND:
1123             mAuthStatusText = R.string.auth_incorrect_path_title;
1124             break;
1125         case OAUTH2_ERROR:
1126             mAuthStatusText = R.string.auth_oauth_error;
1127             break;
1128         case OAUTH2_ERROR_ACCESS_DENIED:
1129             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1130             break;
1131         case ACCOUNT_NOT_NEW:
1132             mAuthStatusText = R.string.auth_account_not_new;
1133             break;
1134         case ACCOUNT_NOT_THE_SAME:
1135             mAuthStatusText = R.string.auth_account_not_the_same;
1136             break;
1137         case UNHANDLED_HTTP_CODE:
1138         case UNKNOWN_ERROR:
1139             mAuthStatusText = R.string.auth_unknown_error_title;
1140             break;
1141         default:
1142             mAuthStatusText = 0;
1143             mAuthStatusIcon = 0;
1144         }
1145     }
1146
1147
1148     private void updateStatusIconFailUserName(){
1149         mAuthStatusIcon = android.R.drawable.ic_secure;
1150         mAuthStatusText = R.string.auth_fail_get_user_name;
1151     }
1152
1153     /**
1154      * Processes the result of the request for and access token send
1155      * to an OAuth authorization server.
1156      *
1157      * @param operation     Operation performed requesting the access token.
1158      * @param result        Result of the operation.
1159      */
1160     private void onGetOAuthAccessTokenFinish(OAuth2GetAccessToken operation, RemoteOperationResult result) {
1161         try {
1162             dismissDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
1163         } catch (IllegalArgumentException e) {
1164             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
1165         }
1166
1167         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
1168         if (result.isSuccess() && webdav_path != null) {
1169             /// be gentle with the user
1170             showDialog(DIALOG_LOGIN_PROGRESS);
1171
1172             /// time to test the retrieved access token on the ownCloud server
1173             mAuthToken = ((OAuth2GetAccessToken)operation).getResultTokenMap().get(OAuth2Constants.KEY_ACCESS_TOKEN);
1174             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1175             mAuthCheckOperation = new ExistenceCheckRemoteOperation("", this, false);
1176             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, true);
1177             client.setBearerCredentials(mAuthToken);
1178             mAuthCheckOperation.execute(client, this, mHandler);
1179
1180         } else {
1181             updateAuthStatusIconAndText(result);
1182             showAuthStatus();
1183             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1184         }
1185     }
1186
1187
1188     /**
1189      * Processes the result of the access check performed to try the user credentials.
1190      *
1191      * Creates a new account through the AccountManager.
1192      *
1193      * @param operation     Access check performed.
1194      * @param result        Result of the operation.
1195      */
1196     private void onAuthorizationCheckFinish(ExistenceCheckRemoteOperation operation, RemoteOperationResult result) {
1197         try {
1198             dismissDialog(DIALOG_LOGIN_PROGRESS);
1199         } catch (IllegalArgumentException e) {
1200             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
1201         }
1202
1203         if (result.isSuccess()) {
1204
1205             if (mTryEmptyAuthorization) {
1206                 //allow or not the user try to access the server
1207                 mOkButton.setEnabled(false);
1208                 mTryEmptyAuthorization = false;
1209                 mServerIsValid = false;
1210                //show an alert message
1211                showAlertMessageDialog(R.string.common_alert_title, R.string.auth_unsupported_auth_method);
1212
1213             } else {
1214                 Log_OC.d(TAG, "Successful access - time to save the account");
1215
1216                 boolean success = false;
1217                 if (mAction == ACTION_CREATE) {
1218                     success = createAccount();
1219
1220                 } else {
1221                     updateToken();
1222                     success = true;
1223                 }
1224
1225                 if (success) {
1226                     finish();
1227                 }
1228             }
1229
1230         } else {
1231             if (mTryEmptyAuthorization) {
1232                 mTryEmptyAuthorization = false;
1233                 mOkButton.setEnabled(true);
1234
1235             } else if (result.isServerFail() || result.isException()) {
1236                 /// if server fail or exception in authorization, the UI is updated as when a server check failed
1237                 mServerIsChecked = true;
1238                 mServerIsValid = false;
1239                 mIsSslConn = false;
1240                 mOcServerChkOperation = null;
1241                 mDiscoveredVersion = null;
1242                 mHostBaseUrl = normalizeUrl(mHostUrlInput.getText().toString());
1243
1244                 // update status icon and text
1245                 updateServerStatusIconAndText(result);
1246                 showServerStatus();
1247                 mAuthStatusIcon = 0;
1248                 mAuthStatusText = 0;
1249                 showAuthStatus();
1250
1251                 // update input controls state
1252                 showRefreshButton();
1253                 mOkButton.setEnabled(false);
1254
1255                 // very special case (TODO: move to a common place for all the remote operations) (dangerous here?)
1256                 if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1257                     showUntrustedCertDialog(result);
1258                 }
1259
1260             } else {    // authorization fail due to client side - probably wrong credentials
1261                 updateAuthStatusIconAndText(result);
1262                 showAuthStatus();
1263                 Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1264             }
1265         }
1266
1267     }
1268
1269
1270     /**
1271      * Sets the proper response to get that the Account Authenticator that started this activity saves
1272      * a new authorization token for mAccount.
1273      */
1274     private void updateToken() {
1275         Bundle response = new Bundle();
1276         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1277         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1278
1279         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1280             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1281             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1282             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1283
1284         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1285
1286             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1287             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1288             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1289
1290         } else {
1291             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1292             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1293         }
1294         setAccountAuthenticatorResult(response);
1295
1296     }
1297
1298
1299     /**
1300      * Creates a new account through the Account Authenticator that started this activity.
1301      *
1302      * This makes the account permanent.
1303      *
1304      * TODO Decide how to name the OAuth accounts
1305      */
1306     private boolean createAccount() {
1307         /// create and save new ownCloud account
1308         boolean isOAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1309         boolean isSaml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1310
1311         Uri uri = Uri.parse(mHostBaseUrl);
1312         String username = mUsernameInput.getText().toString().trim();
1313         if (isOAuth) {
1314             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1315         }
1316         String accountName = username + "@" + uri.getHost();
1317         if (uri.getPort() >= 0) {
1318             accountName += ":" + uri.getPort();
1319         }
1320         mAccount = new Account(accountName, MainApp.getAccountType());
1321         if (AccountUtils.exists(mAccount, getApplicationContext())) {
1322             // fail - not a new account, but an existing one; disallow
1323             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1324             updateAuthStatusIconAndText(result);
1325             showAuthStatus();
1326             Log_OC.d(TAG, result.getLogMessage());
1327             return false;
1328
1329         } else {
1330
1331             if (isOAuth || isSaml) {
1332                 mAccountMgr.addAccountExplicitly(mAccount, "", null);  // with external authorizations, the password is never input in the app
1333             } else {
1334                 mAccountMgr.addAccountExplicitly(mAccount, mPasswordInput.getText().toString(), null);
1335             }
1336
1337             /// add the new account as default in preferences, if there is none already
1338             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1339             if (defaultAccount == null) {
1340                 SharedPreferences.Editor editor = PreferenceManager
1341                         .getDefaultSharedPreferences(this).edit();
1342                 editor.putString("select_oc_account", accountName);
1343                 editor.commit();
1344             }
1345
1346             /// prepare result to return to the Authenticator
1347             //  TODO check again what the Authenticator makes with it; probably has the same effect as addAccountExplicitly, but it's not well done
1348             final Intent intent = new Intent();
1349             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1350             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1351             /*if (!isOAuth)
1352                 intent.putExtra(AccountManager.KEY_AUTHTOKEN,   MainApp.getAccountType()); */
1353             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1354             if (isOAuth || isSaml) {
1355                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1356             }
1357             /// add user data to the new account; TODO probably can be done in the last parameter addAccountExplicitly, or in KEY_USERDATA
1358             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_VERSION,         mDiscoveredVersion.getVersion());
1359             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_VERSION_STRING,  mDiscoveredVersion.getVersionString());
1360             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_BASE_URL,   mHostBaseUrl);
1361
1362             if (isSaml) {
1363                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1364             } else if (isOAuth) {
1365                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1366             }
1367
1368             setAccountAuthenticatorResult(intent.getExtras());
1369             setResult(RESULT_OK, intent);
1370
1371             return true;
1372         }
1373     }
1374
1375
1376     /**
1377      * {@inheritDoc}
1378      *
1379      * Necessary to update the contents of the SSL Dialog
1380      *
1381      * TODO move to some common place for all possible untrusted SSL failures
1382      */
1383     @Override
1384     protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
1385         switch (id) {
1386         case DIALOG_LOGIN_PROGRESS:
1387         case DIALOG_CERT_NOT_SAVED:
1388         case DIALOG_OAUTH2_LOGIN_PROGRESS:
1389             break;
1390         default:
1391             Log_OC.e(TAG, "Incorrect dialog called with id = " + id);
1392         }
1393     }
1394
1395
1396     /**
1397      * {@inheritDoc}
1398      */
1399     @Override
1400     protected Dialog onCreateDialog(int id) {
1401         Dialog dialog = null;
1402         switch (id) {
1403         case DIALOG_LOGIN_PROGRESS: {
1404             /// simple progress dialog
1405             ProgressDialog working_dialog = new ProgressDialog(this);
1406             working_dialog.setMessage(getResources().getString(R.string.auth_trying_to_login));
1407             working_dialog.setIndeterminate(true);
1408             working_dialog.setCancelable(true);
1409             working_dialog
1410             .setOnCancelListener(new DialogInterface.OnCancelListener() {
1411                 @Override
1412                 public void onCancel(DialogInterface dialog) {
1413                     /// TODO study if this is enough
1414                     Log_OC.i(TAG, "Login canceled");
1415                     if (mOperationThread != null) {
1416                         mOperationThread.interrupt();
1417                         finish();
1418                     }
1419                 }
1420             });
1421             dialog = working_dialog;
1422             break;
1423         }
1424         case DIALOG_OAUTH2_LOGIN_PROGRESS: {
1425             ProgressDialog working_dialog = new ProgressDialog(this);
1426             working_dialog.setMessage(String.format("Getting authorization"));
1427             working_dialog.setIndeterminate(true);
1428             working_dialog.setCancelable(true);
1429             working_dialog
1430             .setOnCancelListener(new DialogInterface.OnCancelListener() {
1431                 @Override
1432                 public void onCancel(DialogInterface dialog) {
1433                     Log_OC.i(TAG, "Login canceled");
1434                     finish();
1435                 }
1436             });
1437             dialog = working_dialog;
1438             break;
1439         }
1440         case DIALOG_CERT_NOT_SAVED: {
1441             AlertDialog.Builder builder = new AlertDialog.Builder(this);
1442             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
1443             builder.setCancelable(false);
1444             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
1445                 @Override
1446                 public void onClick(DialogInterface dialog, int which) {
1447                     dialog.dismiss();
1448                 };
1449             });
1450             dialog = builder.create();
1451             break;
1452         }
1453         default:
1454             Log_OC.e(TAG, "Incorrect dialog called with id = " + id);
1455         }
1456         return dialog;
1457     }
1458
1459
1460     /**
1461      * Starts and activity to open the 'new account' page in the ownCloud web site
1462      *
1463      * @param view      'Account register' button
1464      */
1465     public void onRegisterClick(View view) {
1466         Intent register = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url)));
1467         setResult(RESULT_CANCELED);
1468         startActivity(register);
1469     }
1470
1471
1472     /**
1473      * Updates the content and visibility state of the icon and text associated
1474      * to the last check on the ownCloud server.
1475      */
1476     private void showServerStatus() {
1477         TextView tv = (TextView) findViewById(R.id.server_status_text);
1478
1479         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1480             tv.setVisibility(View.INVISIBLE);
1481
1482         } else {
1483             tv.setText(mServerStatusText);
1484             tv.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1485             tv.setVisibility(View.VISIBLE);
1486         }
1487
1488     }
1489
1490
1491     /**
1492      * Updates the content and visibility state of the icon and text associated
1493      * to the interactions with the OAuth authorization server.
1494      */
1495     private void showAuthStatus() {
1496         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1497             mAuthStatusLayout.setVisibility(View.INVISIBLE);
1498
1499         } else {
1500             mAuthStatusLayout.setText(mAuthStatusText);
1501             mAuthStatusLayout.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1502             mAuthStatusLayout.setVisibility(View.VISIBLE);
1503         }
1504     }
1505
1506
1507     private void showRefreshButton() {
1508         mRefreshButton.setVisibility(View.VISIBLE);
1509     }
1510
1511     private void hideRefreshButton() {
1512         mRefreshButton.setVisibility(View.GONE);
1513     }
1514
1515     /**
1516      * Called when the refresh button in the input field for ownCloud host is clicked.
1517      *
1518      * Performs a new check on the URL in the input field.
1519      *
1520      * @param view      Refresh 'button'
1521      */
1522     public void onRefreshClick(View view) {
1523         checkOcServer();
1524     }
1525
1526
1527     /**
1528      * Called when the eye icon in the password field is clicked.
1529      *
1530      * Toggles the visibility of the password in the field.
1531      */
1532     public void onViewPasswordClick() {
1533         int selectionStart = mPasswordInput.getSelectionStart();
1534         int selectionEnd = mPasswordInput.getSelectionEnd();
1535         if (isPasswordVisible()) {
1536             hidePassword();
1537         } else {
1538             showPassword();
1539         }
1540         mPasswordInput.setSelection(selectionStart, selectionEnd);
1541     }
1542
1543
1544     /**
1545      * Called when the checkbox for OAuth authorization is clicked.
1546      *
1547      * Hides or shows the input fields for user & password.
1548      *
1549      * @param view      'View password' 'button'
1550      */
1551     public void onCheckClick(View view) {
1552         CheckBox oAuth2Check = (CheckBox)view;
1553         if (oAuth2Check.isChecked()) {
1554             mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1555         } else {
1556             mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1557         }
1558         adaptViewAccordingToAuthenticationMethod();
1559     }
1560
1561
1562     /**
1563      * Changes the visibility of input elements depending on
1564      * the current authorization method.
1565      */
1566     private void adaptViewAccordingToAuthenticationMethod () {
1567         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1568             // OAuth 2 authorization
1569             mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
1570             mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
1571             mUsernameInput.setVisibility(View.GONE);
1572             mPasswordInput.setVisibility(View.GONE);
1573
1574         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1575             // SAML-based web Single Sign On
1576             mOAuthAuthEndpointText.setVisibility(View.GONE);
1577             mOAuthTokenEndpointText.setVisibility(View.GONE);
1578             mUsernameInput.setVisibility(View.GONE);
1579             mPasswordInput.setVisibility(View.GONE);
1580         } else {
1581             // basic HTTP authorization
1582             mOAuthAuthEndpointText.setVisibility(View.GONE);
1583             mOAuthTokenEndpointText.setVisibility(View.GONE);
1584             mUsernameInput.setVisibility(View.VISIBLE);
1585             mPasswordInput.setVisibility(View.VISIBLE);
1586         }
1587     }
1588
1589     /**
1590      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1591      *
1592      *  Used to trigger the authentication check when the user presses 'enter' after writing the password,
1593      *  or to throw the server test when the only field on screen is the URL input field.
1594      */
1595     @Override
1596     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1597         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null && inputField.equals(mPasswordInput)) {
1598             if (mOkButton.isEnabled()) {
1599                 mOkButton.performClick();
1600             }
1601
1602         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null && inputField.equals(mHostUrlInput)) {
1603             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1604                 checkOcServer();
1605             }
1606         }
1607         return false;   // always return false to grant that the software keyboard is hidden anyway
1608     }
1609
1610
1611     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1612
1613         private int fuzz = 75;
1614
1615         /**
1616          * {@inheritDoc}
1617          */
1618         @Override
1619         public boolean onTouch(View view, MotionEvent event) {
1620             Drawable rightDrawable = null;
1621             if (view instanceof TextView) {
1622                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1623                 if (drawables.length > 2) {
1624                     rightDrawable = drawables[2];
1625                 }
1626             }
1627             if (rightDrawable != null) {
1628                 final int x = (int) event.getX();
1629                 final int y = (int) event.getY();
1630                 final Rect bounds = rightDrawable.getBounds();
1631                 if (x >= (view.getRight() - bounds.width() - fuzz) && x <= (view.getRight() - view.getPaddingRight() + fuzz)
1632                     && y >= (view.getPaddingTop() - fuzz) && y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1633
1634                     return onDrawableTouch(event);
1635                 }
1636             }
1637             return false;
1638         }
1639
1640         public abstract boolean onDrawableTouch(final MotionEvent event);
1641     }
1642
1643
1644     public void onSamlDialogSuccess(String sessionCookie) {
1645         mAuthToken = sessionCookie;
1646
1647         if (sessionCookie != null && sessionCookie.length() > 0) {
1648             mAuthToken = sessionCookie;
1649
1650             GetRemoteUserNameOperation getUserOperation = new GetRemoteUserNameOperation();
1651             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl), getApplicationContext(), true);
1652             client.setSsoSessionCookie(mAuthToken);
1653             getUserOperation.execute(client, this, mHandler);
1654         }
1655
1656
1657     }
1658
1659
1660     @Override
1661     public void onSsoFinished(String sessionCookies) {
1662         //Toast.makeText(this, "got cookies: " + sessionCookie, Toast.LENGTH_LONG).show();
1663
1664         if (sessionCookies != null && sessionCookies.length() > 0) {
1665             Log_OC.d(TAG, "Successful SSO - time to save the account");
1666             onSamlDialogSuccess(sessionCookies);
1667             Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1668             if (fd != null && fd instanceof SherlockDialogFragment) {
1669                 Dialog d = ((SherlockDialogFragment)fd).getDialog();
1670                 if (d != null && d.isShowing()) {
1671                     d.dismiss();
1672                 }
1673             }
1674
1675         } else {
1676             // TODO - show fail
1677             Log_OC.d(TAG, "SSO failed");
1678         }
1679
1680     }
1681
1682     /** Show auth_message
1683      *
1684      * @param message
1685      */
1686     private void showAuthMessage(String message) {
1687        mAuthMessage.setVisibility(View.VISIBLE);
1688        mAuthMessage.setText(message);
1689     }
1690
1691     private void hideAuthMessage() {
1692         mAuthMessage.setVisibility(View.GONE);
1693     }
1694
1695     @Override
1696     public boolean onTouchEvent(MotionEvent event) {
1697         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
1698                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1699             checkOcServer();
1700         }
1701         return super.onTouchEvent(event);
1702     }
1703
1704
1705     /**
1706      * Show untrusted cert dialog
1707      */
1708     public void showUntrustedCertDialog(X509Certificate x509Certificate, SslError error, SslErrorHandler handler) {
1709         // Show a dialog with the certificate info
1710         SslUntrustedCertDialog dialog = null;
1711         if (x509Certificate == null) {
1712             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
1713         } else {
1714             dialog = SslUntrustedCertDialog.newInstanceForFullSslError(x509Certificate, error, handler);
1715         }
1716         FragmentManager fm = getSupportFragmentManager();
1717         FragmentTransaction ft = fm.beginTransaction();
1718         ft.addToBackStack(null);
1719         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1720     }
1721
1722     /**
1723      * Show untrusted cert dialog
1724      */
1725     public void showUntrustedCertDialog(RemoteOperationResult result) {
1726         // Show a dialog with the certificate info
1727         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1728         FragmentManager fm = getSupportFragmentManager();
1729         FragmentTransaction ft = fm.beginTransaction();
1730         ft.addToBackStack(null);
1731         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1732
1733     }
1734
1735     /**
1736      * Dismiss untrusted cert dialog
1737      */
1738     public void dismissUntrustedCertDialog(){
1739         /*Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_UNTRUSTED_CERT);
1740         if (frag != null) {
1741             SslErrorViewAdapter dialog = (SslErrorViewAdapter) frag;
1742             dialog.dismiss();
1743         }
1744         */
1745     }
1746
1747     /**
1748      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1749      */
1750     public void onSavedCertificate() {
1751         Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1752         if (fd == null) {
1753             // if SAML dialog is not shown, the SslDialog was shown due to an SSL error in the server check
1754             checkOcServer();
1755         }
1756     }
1757
1758     /**
1759      * Called from SslValidatorDialog when a new server certificate could not be saved
1760      * when the user requested it.
1761      */
1762     @Override
1763     public void onFailedSavingCertificate() {
1764         showDialog(DIALOG_CERT_NOT_SAVED);
1765         cancelWebView();
1766     }
1767
1768     @Override
1769     public void onCancelCertificate() {
1770         cancelWebView();
1771     }
1772
1773
1774     public void cancelWebView() {
1775         Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1776         if (fd != null && fd instanceof SherlockDialogFragment) {
1777             Dialog d = ((SherlockDialogFragment)fd).getDialog();
1778             if (d != null && d.isShowing()) {
1779                 d.dismiss();
1780             }
1781         }
1782
1783     }
1784
1785     private void showAlertMessageDialog(int tittle, int message) {
1786         DialogFragment newAlertMessage = AlertMessageDialog.newInstance(tittle, message);
1787         newAlertMessage.show(getSupportFragmentManager(), TAG_ALERT_MESSAGE_DIALOG);
1788     }
1789
1790 }