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.ComponentName;
  29 import android.content.Context;
  30 import android.content.DialogInterface;
  31 import android.content.Intent;
  32 import android.content.ServiceConnection;
  33 import android.content.SharedPreferences;
  34 import android.graphics.Rect;
  35 import android.graphics.drawable.Drawable;
  36 import android.net.Uri;
  37 import android.net.http.SslError;
  38 import android.os.Bundle;
  39 import android.os.Handler;
  40 import android.os.IBinder;
  41 import android.preference.PreferenceManager;
  42 import android.support.v4.app.Fragment;
  43 import android.support.v4.app.FragmentManager;
  44 import android.support.v4.app.FragmentTransaction;
  45 import android.text.Editable;
  46 import android.text.InputType;
  47 import android.text.TextWatcher;
  48 import android.view.KeyEvent;
  49 import android.view.MotionEvent;
  50 import android.view.View;
  51 import android.view.View.OnFocusChangeListener;
  52 import android.view.View.OnTouchListener;
  53 import android.view.Window;
  54 import android.view.inputmethod.EditorInfo;
  55 import android.webkit.SslErrorHandler;
  56 import android.widget.Button;
  57 import android.widget.CheckBox;
  58 import android.widget.EditText;
  59 import android.widget.TextView;
  60 import android.widget.TextView.OnEditorActionListener;
  61 import android.widget.Toast;
  62
  63 import com.actionbarsherlock.app.SherlockDialogFragment;
  64 import com.owncloud.android.MainApp;
  65 import com.owncloud.android.R;
  66 import com.owncloud.android.authentication.SsoWebViewClient.SsoWebViewClientListener;
  67 import com.owncloud.android.lib.common.accounts.AccountTypeUtils;
  68 import com.owncloud.android.lib.common.accounts.AccountUtils.Constants;
  69 import com.owncloud.android.lib.common.OwnCloudClientFactory;
  70 import com.owncloud.android.lib.common.OwnCloudClient;
  71 import com.owncloud.android.operations.DetectAuthenticationMethodOperation;
  72 import com.owncloud.android.operations.DetectAuthenticationMethodOperation.AuthenticationMethod;
  73 import com.owncloud.android.operations.OAuth2GetAccessToken;
  74
  75 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  76 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  77 import com.owncloud.android.lib.resources.status.GetRemoteStatusOperation;
  78 import com.owncloud.android.lib.common.operations.RemoteOperation;
  79 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  80 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  81 import com.owncloud.android.lib.resources.files.ExistenceCheckRemoteOperation;
  82 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  83
  84 import com.owncloud.android.services.OperationsService;
  85 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  86 import com.owncloud.android.ui.dialog.SamlWebViewDialog;
  87 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  88 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  89 import com.owncloud.android.utils.Log_OC;
  90 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  91
  92 /**
  93  * This Activity is used to add an ownCloud account to the App
  94  *
  95  * @author Bartek Przybylski
  96  * @author David A. Velasco
  97  */
  98 public class AuthenticatorActivity extends AccountAuthenticatorActivity
  99 implements  OnRemoteOperationListener, OnFocusChangeListener, OnEditorActionListener,
 100 SsoWebViewClientListener, OnSslUntrustedCertListener {
 101
 102     private static final String TAG = AuthenticatorActivity.class.getSimpleName();
 103
 104     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 105     public static final String EXTRA_USER_NAME = "USER_NAME";
 106     public static final String EXTRA_HOST_NAME = "HOST_NAME";
 107     public static final String EXTRA_ACTION = "ACTION";
 108     public static final String EXTRA_ENFORCED_UPDATE = "ENFORCE_UPDATE";
 109
 110     private static final String KEY_AUTH_MESSAGE_VISIBILITY = "AUTH_MESSAGE_VISIBILITY";
 111     private static final String KEY_AUTH_MESSAGE_TEXT = "AUTH_MESSAGE_TEXT";
 112     private static final String KEY_HOST_URL_TEXT = "HOST_URL_TEXT";
 113     private static final String KEY_OC_VERSION = "OC_VERSION";
 114     private static final String KEY_OC_VERSION_STRING = "OC_VERSION_STRING";
 115     private static final String KEY_ACCOUNT = "ACCOUNT";
 116     private static final String KEY_SERVER_VALID = "SERVER_VALID";
 117     private static final String KEY_SERVER_CHECKED = "SERVER_CHECKED";
 118     private static final String KEY_SERVER_CHECK_IN_PROGRESS = "SERVER_CHECK_IN_PROGRESS";
 119     private static final String KEY_SERVER_STATUS_TEXT = "SERVER_STATUS_TEXT";
 120     private static final String KEY_SERVER_STATUS_ICON = "SERVER_STATUS_ICON";
 121     private static final String KEY_IS_SSL_CONN = "IS_SSL_CONN";
 122     private static final String KEY_PASSWORD_VISIBLE = "PASSWORD_VISIBLE";
 123     private static final String KEY_AUTH_STATUS_TEXT = "AUTH_STATUS_TEXT";
 124     private static final String KEY_AUTH_STATUS_ICON = "AUTH_STATUS_ICON";
 125     private static final String KEY_REFRESH_BUTTON_ENABLED = "KEY_REFRESH_BUTTON_ENABLED";
 126     //private static final String KEY_IS_SHARED_SUPPORTED = "KEY_IS_SHARE_SUPPORTED";
 127
 128     private static final String AUTH_ON = "on";
 129     private static final String AUTH_OFF = "off";
 130     private static final String AUTH_OPTIONAL = "optional";
 131
 132     private static final int DIALOG_LOGIN_PROGRESS = 0;
 133     private static final int DIALOG_CERT_NOT_SAVED = 1;
 134     private static final int DIALOG_OAUTH2_LOGIN_PROGRESS = 2;
 135
 136     public static final byte ACTION_CREATE = 0;
 137     public static final byte ACTION_UPDATE_TOKEN = 1;
 138
 139     private static final String TAG_SAML_DIALOG = "samlWebViewDialog";
 140
 141     private String mHostBaseUrl;
 142     private OwnCloudVersion mDiscoveredVersion;
 143
 144     private String mAuthMessageText;
 145     private int mAuthMessageVisibility, mServerStatusText, mServerStatusIcon;
 146     private boolean mServerIsChecked, mServerIsValid, mIsSslConn;
 147     private int mAuthStatusText, mAuthStatusIcon;
 148     private TextView mAuthStatusLayout;
 149
 150     private ServiceConnection mOperationsConnection = null;
 151     private OperationsServiceBinder mOperationsBinder = null;
 152
 153     private final Handler mHandler = new Handler();
 154     private Thread mOperationThread;
 155     private GetRemoteStatusOperation mOcServerChkOperation;
 156     private ExistenceCheckRemoteOperation mAuthCheckOperation;
 157
 158     private Uri mNewCapturedUriFromOAuth2Redirection;
 159
 160     private AccountManager mAccountMgr;
 161     private boolean mJustCreated;
 162     private byte mAction;
 163     private Account mAccount;
 164
 165     private TextView mAuthMessage;
 166
 167     private EditText mHostUrlInput;
 168     private boolean mHostUrlInputEnabled;
 169     private View mRefreshButton;
 170
 171     private String mAuthTokenType;
 172
 173     private EditText mUsernameInput;
 174     private EditText mPasswordInput;
 175
 176     private CheckBox mOAuth2Check;
 177
 178     private TextView mOAuthAuthEndpointText;
 179     private TextView mOAuthTokenEndpointText;
 180
 181     private SamlWebViewDialog mSamlDialog;
 182
 183     private View mOkButton;
 184
 185     private String mAuthToken;
 186
 187     private boolean mResumed; // Control if activity is resumed
 188
 189     public static String DIALOG_UNTRUSTED_CERT = "DIALOG_UNTRUSTED_CERT";
 190
 191     private ServiceConnection mOperationsServiceConnection = null;
 192
 193     private OperationsServiceBinder mOperationsServiceBinder = null;
 194
 195
 196     /**
 197      * {@inheritDoc}
 198      *
 199      * IMPORTANT ENTRY POINT 1: activity is shown to the user
 200      */
 201     @Override
 202     protected void onCreate(Bundle savedInstanceState) {
 203         super.onCreate(savedInstanceState);
 204         getWindow().requestFeature(Window.FEATURE_NO_TITLE);
 205
 206         // bind to Operations Service
 207         mOperationsConnection = new ServiceConnection() {
 208
 209             @Override
 210             public void onServiceConnected(ComponentName name, IBinder service) {
 211                 Log_OC.d(TAG, "Operations service connected");
 212                 mOperationsBinder = (OperationsServiceBinder) service;
 213             }
 214
 215             @Override
 216             public void onServiceDisconnected(ComponentName name) {
 217                 Log_OC.d(TAG, "Operations service crashed");
 218                 mOperationsBinder = null;
 219             }
 220
 221         };
 222         if (!bindService(new Intent(this, OperationsService.class),
 223                         mOperationsConnection,
 224                         Context.BIND_AUTO_CREATE)) {
 225             Toast.makeText(this,
 226                     R.string.error_cant_bind_to_operations_service,
 227                     Toast.LENGTH_LONG)
 228                         .show();
 229             finish();
 230         }
 231
 232         /// set view and get references to view elements
 233         setContentView(R.layout.account_setup);
 234         mAuthMessage = (TextView) findViewById(R.id.auth_message);
 235         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 236         mHostUrlInput.setText(getString(R.string.server_url));  // valid although R.string.server_url is an empty string
 237         mUsernameInput = (EditText) findViewById(R.id.account_username);
 238         mPasswordInput = (EditText) findViewById(R.id.account_password);
 239         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 240         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 241         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 242         mOkButton = findViewById(R.id.buttonOK);
 243         mAuthStatusLayout = (TextView) findViewById(R.id.auth_status_text);
 244
 245         /// set Host Url Input Enabled
 246         mHostUrlInputEnabled = getResources().getBoolean(R.bool.show_server_url_input);
 247
 248         /// set visibility of link for new users
 249         boolean accountRegisterVisibility = getResources().getBoolean(R.bool.show_welcome_link);
 250         Button welcomeLink = (Button) findViewById(R.id.welcome_link);
 251         if (welcomeLink != null) {
 252             if (accountRegisterVisibility) {
 253                 welcomeLink.setVisibility(View.VISIBLE);
 254                 welcomeLink.setText(String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 255             } else {
 256                 findViewById(R.id.welcome_link).setVisibility(View.GONE);
 257             }
 258         }
 259
 260         /// initialization
 261         mAccountMgr = AccountManager.get(this);
 262         mNewCapturedUriFromOAuth2Redirection = null;
 263         mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE);
 264         mAccount = null;
 265         mHostBaseUrl = "";
 266         boolean refreshButtonEnabled = false;
 267
 268         // URL input configuration applied
 269         if (!mHostUrlInputEnabled)
 270         {
 271             findViewById(R.id.hostUrlFrame).setVisibility(View.GONE);
 272             mRefreshButton = findViewById(R.id.centeredRefreshButton);
 273
 274         } else {
 275             mRefreshButton = findViewById(R.id.embeddedRefreshButton);
 276         }
 277
 278         if (savedInstanceState == null) {
 279             mResumed = false;
 280             /// connection state and info
 281             mAuthMessageVisibility = View.GONE;
 282             mServerStatusText = mServerStatusIcon = 0;
 283             mServerIsValid = false;
 284             mServerIsChecked = false;
 285             mIsSslConn = false;
 286             mAuthStatusText = mAuthStatusIcon = 0;
 287
 288             /// retrieve extras from intent
 289             mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 290             if (mAccount != null) {
 291                 String ocVersion = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION);
 292                 String ocVersionString = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION_STRING);
 293                 if (ocVersion != null) {
 294                     mDiscoveredVersion = new OwnCloudVersion(ocVersion, ocVersionString);
 295                 }
 296                 mHostBaseUrl = normalizeUrl(mAccountMgr.getUserData(mAccount, Constants.KEY_OC_BASE_URL));
 297                 mHostUrlInput.setText(mHostBaseUrl);
 298                 String userName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 299                 mUsernameInput.setText(userName);
 300
 301             }
 302             initAuthorizationMethod();  // checks intent and setup.xml to determine mCurrentAuthorizationMethod
 303             mJustCreated = true;
 304
 305             if (mAction == ACTION_UPDATE_TOKEN || !mHostUrlInputEnabled) {
 306                 checkOcServer();
 307             }
 308
 309         } else {
 310             mResumed = true;
 311             /// connection state and info
 312             mAuthMessageVisibility = savedInstanceState.getInt(KEY_AUTH_MESSAGE_VISIBILITY);
 313             mAuthMessageText = savedInstanceState.getString(KEY_AUTH_MESSAGE_TEXT);
 314             mServerIsValid = savedInstanceState.getBoolean(KEY_SERVER_VALID);
 315             mServerIsChecked = savedInstanceState.getBoolean(KEY_SERVER_CHECKED);
 316             mServerStatusText = savedInstanceState.getInt(KEY_SERVER_STATUS_TEXT);
 317             mServerStatusIcon = savedInstanceState.getInt(KEY_SERVER_STATUS_ICON);
 318             mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 319             mAuthStatusText = savedInstanceState.getInt(KEY_AUTH_STATUS_TEXT);
 320             mAuthStatusIcon = savedInstanceState.getInt(KEY_AUTH_STATUS_ICON);
 321             if (savedInstanceState.getBoolean(KEY_PASSWORD_VISIBLE, false)) {
 322                 showPassword();
 323             }
 324
 325             /// server data
 326             String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 327             String ocVersionString = savedInstanceState.getString(KEY_OC_VERSION_STRING);
 328             if (ocVersion != null) {
 329                 mDiscoveredVersion = new OwnCloudVersion(ocVersion, ocVersionString);
 330             }
 331             mHostBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 332
 333             // account data, if updating
 334             mAccount = savedInstanceState.getParcelable(KEY_ACCOUNT);
 335             mAuthTokenType = savedInstanceState.getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 336             if (mAuthTokenType == null) {
 337                 mAuthTokenType =  AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 338
 339             }
 340
 341             // check if server check was interrupted by a configuration change
 342             if (savedInstanceState.getBoolean(KEY_SERVER_CHECK_IN_PROGRESS, false)) {
 343                 checkOcServer();
 344             }
 345
 346             // refresh button enabled
 347             refreshButtonEnabled = savedInstanceState.getBoolean(KEY_REFRESH_BUTTON_ENABLED);
 348
 349
 350         }
 351
 352         if (mAuthMessageVisibility== View.VISIBLE) {
 353             showAuthMessage(mAuthMessageText);
 354         }
 355         else {
 356             hideAuthMessage();
 357         }
 358         adaptViewAccordingToAuthenticationMethod();
 359         showServerStatus();
 360         showAuthStatus();
 361
 362         if (mAction == ACTION_UPDATE_TOKEN) {
 363             /// lock things that should not change
 364             mHostUrlInput.setEnabled(false);
 365             mHostUrlInput.setFocusable(false);
 366             mUsernameInput.setEnabled(false);
 367             mUsernameInput.setFocusable(false);
 368             mOAuth2Check.setVisibility(View.GONE);
 369         }
 370
 371         //if (mServerIsChecked && !mServerIsValid && mRefreshButtonEnabled) showRefreshButton();
 372         if (mServerIsChecked && !mServerIsValid && refreshButtonEnabled) showRefreshButton();
 373         mOkButton.setEnabled(mServerIsValid); // state not automatically recovered in configuration changes
 374
 375         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) ||
 376                 !AUTH_OPTIONAL.equals(getString(R.string.auth_method_oauth2))) {
 377             mOAuth2Check.setVisibility(View.GONE);
 378         }
 379
 380         mPasswordInput.setText("");     // clean password to avoid social hacking (disadvantage: password in removed if the device is turned aside)
 381
 382         /// bind view elements to listeners and other friends
 383         mHostUrlInput.setOnFocusChangeListener(this);
 384         mHostUrlInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 385         mHostUrlInput.setOnEditorActionListener(this);
 386         mHostUrlInput.addTextChangedListener(new TextWatcher() {
 387
 388             @Override
 389             public void afterTextChanged(Editable s) {
 390                 if (!mHostBaseUrl.equals(normalizeUrl(mHostUrlInput.getText().toString()))) {
 391                     mOkButton.setEnabled(false);
 392                 }
 393             }
 394
 395             @Override
 396             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 397             }
 398
 399             @Override
 400             public void onTextChanged(CharSequence s, int start, int before, int count) {
 401                 if (!mResumed) {
 402                     mAuthStatusIcon = 0;
 403                     mAuthStatusText = 0;
 404                     showAuthStatus();
 405                 }
 406                 mResumed = false;
 407             }
 408         });
 409
 410         mPasswordInput.setOnFocusChangeListener(this);
 411         mPasswordInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
 412         mPasswordInput.setOnEditorActionListener(this);
 413         mPasswordInput.setOnTouchListener(new RightDrawableOnTouchListener() {
 414             @Override
 415             public boolean onDrawableTouch(final MotionEvent event) {
 416                 if (event.getAction() == MotionEvent.ACTION_UP) {
 417                     AuthenticatorActivity.this.onViewPasswordClick();
 418                 }
 419                 return true;
 420             }
 421         });
 422
 423         findViewById(R.id.scroll).setOnTouchListener(new OnTouchListener() {
 424             @Override
 425             public boolean onTouch(View view, MotionEvent event) {
 426                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 427                     if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
 428                             mHostUrlInput.hasFocus()) {
 429                         checkOcServer();
 430                     }
 431                 }
 432                 return false;
 433             }
 434         });
 435
 436         mOperationsServiceConnection = new OperationsServiceConnection();
 437         bindService(new Intent(this, OperationsService.class), mOperationsServiceConnection, Context.BIND_AUTO_CREATE);
 438     }
 439
 440
 441
 442     private void initAuthorizationMethod() {
 443         boolean oAuthRequired = false;
 444         boolean samlWebSsoRequired = false;
 445
 446         mAuthTokenType = getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 447         mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 448
 449         // TODO could be a good moment to validate the received token type, if not null
 450
 451         if (mAuthTokenType == null) {
 452             if (mAccount != null) {
 453                 /// same authentication method than the one used to create the account to update
 454                 oAuthRequired = (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2) != null);
 455                 samlWebSsoRequired = (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO) != null);
 456
 457             } else {
 458                 /// use the one set in setup.xml
 459                 oAuthRequired = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
 460                 samlWebSsoRequired = AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));
 461             }
 462             if (oAuthRequired) {
 463                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
 464             } else if (samlWebSsoRequired) {
 465                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 466             } else {
 467                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 468             }
 469         }
 470
 471         if (mAccount != null) {
 472             String userName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 473             mUsernameInput.setText(userName);
 474         }
 475
 476         mOAuth2Check.setChecked(AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType));
 477
 478     }
 479
 480     /**
 481      * Saves relevant state before {@link #onPause()}
 482      *
 483      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag, intended to defer the
 484      * processing of the redirection caught in {@link #onNewIntent(Intent)} until {@link #onResume()}
 485      *
 486      * See {@link #loadSavedInstanceState(Bundle)}
 487      */
 488     @Override
 489     protected void onSaveInstanceState(Bundle outState) {
 490         super.onSaveInstanceState(outState);
 491
 492         /// connection state and info
 493         outState.putInt(KEY_AUTH_MESSAGE_VISIBILITY, mAuthMessage.getVisibility());
 494         outState.putString(KEY_AUTH_MESSAGE_TEXT, mAuthMessage.getText().toString());
 495         outState.putInt(KEY_SERVER_STATUS_TEXT, mServerStatusText);
 496         outState.putInt(KEY_SERVER_STATUS_ICON, mServerStatusIcon);
 497         outState.putBoolean(KEY_SERVER_VALID, mServerIsValid);
 498         outState.putBoolean(KEY_SERVER_CHECKED, mServerIsChecked);
 499         outState.putBoolean(KEY_SERVER_CHECK_IN_PROGRESS, (!mServerIsValid && mOcServerChkOperation != null));
 500         outState.putBoolean(KEY_IS_SSL_CONN, mIsSslConn);
 501         outState.putBoolean(KEY_PASSWORD_VISIBLE, isPasswordVisible());
 502         outState.putInt(KEY_AUTH_STATUS_ICON, mAuthStatusIcon);
 503         outState.putInt(KEY_AUTH_STATUS_TEXT, mAuthStatusText);
 504
 505         /// server data
 506         if (mDiscoveredVersion != null) {
 507             outState.putString(KEY_OC_VERSION, mDiscoveredVersion.getVersion());
 508             outState.putString(KEY_OC_VERSION_STRING, mDiscoveredVersion.getVersionString());
 509         }
 510         outState.putString(KEY_HOST_URL_TEXT, mHostBaseUrl);
 511
 512         /// account data, if updating
 513         if (mAccount != null) {
 514             outState.putParcelable(KEY_ACCOUNT, mAccount);
 515         }
 516         outState.putString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE, mAuthTokenType);
 517
 518         // refresh button enabled
 519         outState.putBoolean(KEY_REFRESH_BUTTON_ENABLED, (mRefreshButton.getVisibility() == View.VISIBLE));
 520
 521
 522     }
 523
 524
 525     /**
 526      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION request
 527      * is caught here.
 528      *
 529      * To make this possible, this activity needs to be qualified with android:launchMode = "singleTask" in the
 530      * AndroidManifest.xml file.
 531      */
 532     @Override
 533     protected void onNewIntent (Intent intent) {
 534         Log_OC.d(TAG, "onNewIntent()");
 535         Uri data = intent.getData();
 536         if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) {
 537             mNewCapturedUriFromOAuth2Redirection = data;
 538         }
 539     }
 540
 541
 542     /**
 543      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION, and
 544      * deferred in {@link #onNewIntent(Intent)}, is processed here.
 545      */
 546     @Override
 547     protected void onResume() {
 548         super.onResume();
 549         if (mAction == ACTION_UPDATE_TOKEN && mJustCreated && getIntent().getBooleanExtra(EXTRA_ENFORCED_UPDATE, false)) {
 550             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 551                 //Toast.makeText(this, R.string.auth_expired_oauth_token_toast, Toast.LENGTH_LONG).show();
 552                 showAuthMessage(getString(R.string.auth_expired_oauth_token_toast));
 553             } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 554                 //Toast.makeText(this, R.string.auth_expired_saml_sso_token_toast, Toast.LENGTH_LONG).show();
 555                 showAuthMessage(getString(R.string.auth_expired_saml_sso_token_toast));
 556             } else {
 557                 //Toast.makeText(this, R.string.auth_expired_basic_auth_toast, Toast.LENGTH_LONG).show();
 558                 showAuthMessage(getString(R.string.auth_expired_basic_auth_toast));
 559             }
 560         }
 561
 562         if (mNewCapturedUriFromOAuth2Redirection != null) {
 563             getOAuth2AccessTokenFromCapturedRedirection();
 564         }
 565
 566         mJustCreated = false;
 567
 568     }
 569
 570
 571     @Override
 572     protected void onDestroy() {
 573         if (mOperationsConnection != null) {
 574             unbindService(mOperationsConnection);
 575             mOperationsBinder = null;
 576         }
 577         super.onDestroy();
 578     }
 579
 580
 581     /**
 582      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 583      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 584      */
 585     private void getOAuth2AccessTokenFromCapturedRedirection() {
 586         /// Parse data from OAuth redirection
 587         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 588         mNewCapturedUriFromOAuth2Redirection = null;
 589
 590         /// Showing the dialog with instructions for the user.
 591         showDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
 592
 593         /// GET ACCESS TOKEN to the oAuth server
 594         RemoteOperation operation = new OAuth2GetAccessToken(   getString(R.string.oauth2_client_id),
 595                 getString(R.string.oauth2_redirect_uri),
 596                 getString(R.string.oauth2_grant_type),
 597                 queryParameters);
 598         //OwnCloudClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(getString(R.string.oauth2_url_endpoint_access)), getApplicationContext());
 599         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mOAuthTokenEndpointText.getText().toString().trim()), getApplicationContext(), true);
 600         operation.execute(client, this, mHandler);
 601     }
 602
 603
 604
 605     /**
 606      * Handles the change of focus on the text inputs for the server URL and the password
 607      */
 608     public void onFocusChange(View view, boolean hasFocus) {
 609         if (view.getId() == R.id.hostUrlInput) {
 610             if (!hasFocus) {
 611                 onUrlInputFocusLost((TextView) view);
 612             }
 613             else {
 614                 hideRefreshButton();
 615             }
 616
 617         } else if (view.getId() == R.id.account_password) {
 618             onPasswordFocusChanged((TextView) view, hasFocus);
 619         }
 620     }
 621
 622
 623     /**
 624      * Handles changes in focus on the text input for the server URL.
 625      *
 626      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 627      * other field. The operation to check the existence of the server in the entered URL is
 628      * started.
 629      *
 630      * When hasFocus:    user 'comes back' to write again the server URL.
 631      *
 632      * @param hostInput     TextView with the URL input field receiving the change of focus.
 633      */
 634     private void onUrlInputFocusLost(TextView hostInput) {
 635         if (!mHostBaseUrl.equals(normalizeUrl(mHostUrlInput.getText().toString()))) {
 636             checkOcServer();
 637         } else {
 638             mOkButton.setEnabled(mServerIsValid);
 639             if (!mServerIsValid) {
 640                 showRefreshButton();
 641             }
 642         }
 643     }
 644
 645
 646     private void checkOcServer() {
 647         String uri = trimUrlWebdav(mHostUrlInput.getText().toString().trim());
 648
 649         if (!mHostUrlInputEnabled){
 650             uri = getString(R.string.server_url);
 651         }
 652
 653         mServerIsValid = false;
 654         mServerIsChecked = false;
 655         mOkButton.setEnabled(false);
 656         mDiscoveredVersion = null;
 657         hideRefreshButton();
 658         if (uri.length() != 0) {
 659             mServerStatusText = R.string.auth_testing_connection;
 660             mServerStatusIcon = R.drawable.progress_small;
 661             showServerStatus();
 662             mOcServerChkOperation = new  GetRemoteStatusOperation(uri, this);
 663             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(uri), this, true);
 664             mOperationThread = mOcServerChkOperation.execute(client, this, mHandler);
 665         } else {
 666             mServerStatusText = 0;
 667             mServerStatusIcon = 0;
 668             showServerStatus();
 669         }
 670     }
 671
 672
 673     /**
 674      * Handles changes in focus on the text input for the password (basic authorization).
 675      *
 676      * When (hasFocus), the button to toggle password visibility is shown.
 677      *
 678      * When (!hasFocus), the button is made invisible and the password is hidden.
 679      *
 680      * @param passwordInput    TextView with the password input field receiving the change of focus.
 681      * @param hasFocus          'True' if focus is received, 'false' if is lost
 682      */
 683     private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {
 684         if (hasFocus) {
 685             showViewPasswordButton();
 686         } else {
 687             hidePassword();
 688             hidePasswordButton();
 689         }
 690     }
 691
 692
 693     private void showViewPasswordButton() {
 694         //int drawable = android.R.drawable.ic_menu_view;
 695         int drawable = R.drawable.ic_view;
 696         if (isPasswordVisible()) {
 697             //drawable = android.R.drawable.ic_secure;
 698             drawable = R.drawable.ic_hide;
 699         }
 700         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 701     }
 702
 703     private boolean isPasswordVisible() {
 704         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 705     }
 706
 707     private void hidePasswordButton() {
 708         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 709     }
 710
 711     private void showPassword() {
 712         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 713         showViewPasswordButton();
 714     }
 715
 716     private void hidePassword() {
 717         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
 718         showViewPasswordButton();
 719     }
 720
 721
 722     /**
 723      * Cancels the authenticator activity
 724      *
 725      * IMPORTANT ENTRY POINT 3: Never underestimate the importance of cancellation
 726      *
 727      * This method is bound in the layout/acceoun_setup.xml resource file.
 728      *
 729      * @param view      Cancel button
 730      */
 731     public void onCancelClick(View view) {
 732         setResult(RESULT_CANCELED);     // TODO review how is this related to AccountAuthenticator (debugging)
 733         finish();
 734     }
 735
 736
 737
 738     /**
 739      * Checks the credentials of the user in the root of the ownCloud server
 740      * before creating a new local account.
 741      *
 742      * For basic authorization, a check of existence of the root folder is
 743      * performed.
 744      *
 745      * For OAuth, starts the flow to get an access token; the credentials test
 746      * is postponed until it is available.
 747      *
 748      * IMPORTANT ENTRY POINT 4
 749      *
 750      * @param view      OK button
 751      */
 752     public void onOkClick(View view) {
 753         // this check should be unnecessary
 754         if (mDiscoveredVersion == null || !mDiscoveredVersion.isVersionValid()  || mHostBaseUrl == null || mHostBaseUrl.length() == 0) {
 755             mServerStatusIcon = R.drawable.common_error;
 756             mServerStatusText = R.string.auth_wtf_reenter_URL;
 757             showServerStatus();
 758             mOkButton.setEnabled(false);
 759             Log_OC.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");
 760             return;
 761         }
 762
 763         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 764             startOauthorization();
 765         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 766             startSamlBasedFederatedSingleSignOnAuthorization();
 767         } else {
 768             checkBasicAuthorization();
 769         }
 770     }
 771
 772
 773     /**
 774      * Tests the credentials entered by the user performing a check of existence on
 775      * the root folder of the ownCloud server.
 776      */
 777     private void checkBasicAuthorization() {
 778         /// get the path to the root folder through WebDAV from the version server
 779         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 780
 781         /// get basic credentials entered by user
 782         String username = mUsernameInput.getText().toString();
 783         String password = mPasswordInput.getText().toString();
 784
 785         /// be gentle with the user
 786         showDialog(DIALOG_LOGIN_PROGRESS);
 787
 788         /// test credentials accessing the root folder
 789         mAuthCheckOperation = new  ExistenceCheckRemoteOperation("", this, false);
 790         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, true);
 791         client.setBasicCredentials(username, password);
 792         mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
 793     }
 794
 795
 796     /**
 797      * Starts the OAuth 'grant type' flow to get an access token, with
 798      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 799      */
 800     private void startOauthorization() {
 801         // be gentle with the user
 802         mAuthStatusIcon = R.drawable.progress_small;
 803         mAuthStatusText = R.string.oauth_login_connection;
 804         showAuthStatus();
 805
 806
 807         // GET AUTHORIZATION request
 808         //Uri uri = Uri.parse(getString(R.string.oauth2_url_endpoint_auth));
 809         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 810         Uri.Builder uriBuilder = uri.buildUpon();
 811         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type));
 812         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri));
 813         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id));
 814         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope));
 815         //uriBuilder.appendQueryParameter(OAuth2Constants.KEY_STATE, whateverwewant);
 816         uri = uriBuilder.build();
 817         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 818         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 819         startActivity(i);
 820     }
 821
 822
 823     /**
 824      * Starts the Web Single Sign On flow to get access to the root folder
 825      * in the server.
 826      */
 827     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 828         // be gentle with the user
 829         mAuthStatusIcon = R.drawable.progress_small;
 830         mAuthStatusText = R.string.auth_connecting_auth_server;
 831         showAuthStatus();
 832         showDialog(DIALOG_LOGIN_PROGRESS);
 833
 834         /// get the path to the root folder through WebDAV from the version server
 835         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 836
 837         /// test credentials accessing the root folder
 838         mAuthCheckOperation = new  ExistenceCheckRemoteOperation("", this, false);
 839         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, false);
 840         mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
 841
 842     }
 843
 844     /**
 845      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 846      *
 847      * Dispatches the operation flow to the right method.
 848      */
 849     @Override
 850     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 851
 852         if (operation instanceof GetRemoteStatusOperation) {
 853             onOcServerCheckFinish((GetRemoteStatusOperation) operation, result);
 854
 855         } else if (operation instanceof OAuth2GetAccessToken) {
 856             onGetOAuthAccessTokenFinish((OAuth2GetAccessToken)operation, result);
 857
 858         } else if (operation instanceof ExistenceCheckRemoteOperation)  {
 859             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 860                 onSamlBasedFederatedSingleSignOnAuthorizationStart(operation, result);
 861
 862             } else {
 863                 onAuthorizationCheckFinish((ExistenceCheckRemoteOperation)operation, result);
 864             }
 865         } else if (operation instanceof GetRemoteUserNameOperation) {
 866             onGetUserNameFinish((GetRemoteUserNameOperation) operation, result);
 867
 868         } else if (operation instanceof DetectAuthenticationMethodOperation) {
 869             onDetectAutheticationFinish((DetectAuthenticationMethodOperation) operation, result);
 870         }
 871
 872     }
 873
 874     private void onDetectAutheticationFinish(DetectAuthenticationMethodOperation operation, RemoteOperationResult result) {
 875         // Read authentication method
 876         if (result.getData().size() > 0) {
 877             AuthenticationMethod authMethod = (AuthenticationMethod) result.getData().get(0);
 878             String basic = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 879             String oAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
 880             String saml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 881
 882             if ( ( mAuthTokenType.equals(basic) && !authMethod.equals(AuthenticationMethod.BASIC_HTTP_AUTH) ) ||
 883                     ( mAuthTokenType.equals(oAuth) && !authMethod.equals(AuthenticationMethod.BEARER_TOKEN) ) ||
 884                     ( mAuthTokenType.equals(saml)  && !authMethod.equals(AuthenticationMethod.SAML_WEB_SSO) ) ) {
 885
 886                 mOkButton.setEnabled(false);
 887                 mServerIsValid = false;
 888                 //show an alert message ( Server Status )
 889                 updateServerStatusIconNoRegularAuth();
 890                 showServerStatus();
 891
 892             } else {
 893                 mOkButton.setEnabled(true);
 894
 895                 // Show server status
 896                 showServerStatus();
 897             }
 898
 899         }
 900     }
 901
 902
 903
 904     private void onGetUserNameFinish(GetRemoteUserNameOperation operation, RemoteOperationResult result) {
 905
 906         if (result.isSuccess()) {
 907             boolean success = false;
 908             String username = operation.getUserName();
 909
 910             if ( mAction == ACTION_CREATE) {
 911                 mUsernameInput.setText(username);
 912                 success = createAccount();
 913             } else {
 914
 915                 if (!mUsernameInput.getText().toString().equals(username)) {
 916                     // fail - not a new account, but an existing one; disallow
 917                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
 918                     updateAuthStatusIconAndText(result);
 919                     showAuthStatus();
 920                     Log_OC.d(TAG, result.getLogMessage());
 921                 } else {
 922                     updateToken();
 923                     success = true;
 924                 }
 925             }
 926
 927             if (success)
 928                 finish();
 929         } else {
 930             updateStatusIconFailUserName();
 931             showAuthStatus();
 932             Log_OC.e(TAG, "Access to user name failed: " + result.getLogMessage());
 933         }
 934
 935     }
 936
 937     private void onSamlBasedFederatedSingleSignOnAuthorizationStart(RemoteOperation operation, RemoteOperationResult result) {
 938         try {
 939             dismissDialog(DIALOG_LOGIN_PROGRESS);
 940         } catch (IllegalArgumentException e) {
 941             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
 942         }
 943
 944         //if (result.isTemporalRedirection() && result.isIdPRedirection()) {
 945         if (result.isIdPRedirection()) {
 946             String url = result.getRedirectedLocation();
 947             String targetUrl = mHostBaseUrl + AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 948
 949             // Show dialog
 950             mSamlDialog = SamlWebViewDialog.newInstance(url, targetUrl);
 951             mSamlDialog.show(getSupportFragmentManager(), TAG_SAML_DIALOG);
 952
 953             mAuthStatusIcon = 0;
 954             mAuthStatusText = 0;
 955
 956         } else {
 957             mAuthStatusIcon = R.drawable.common_error;
 958             mAuthStatusText = R.string.auth_unsupported_auth_method;
 959
 960         }
 961         showAuthStatus();
 962     }
 963
 964
 965     /**
 966      * Processes the result of the server check performed when the user finishes the enter of the
 967      * server URL.
 968      *
 969      * @param operation     Server check performed.
 970      * @param result        Result of the check.
 971      */
 972     private void onOcServerCheckFinish(GetRemoteStatusOperation operation, RemoteOperationResult result) {
 973         if (operation.equals(mOcServerChkOperation)) {
 974             /// save result state
 975             mServerIsChecked = true;
 976             mServerIsValid = result.isSuccess();
 977             mIsSslConn = (result.getCode() == ResultCode.OK_SSL);
 978             mOcServerChkOperation = null;
 979
 980
 981             /// retrieve discovered version and normalize server URL
 982             mDiscoveredVersion = operation.getDiscoveredVersion();
 983             mHostBaseUrl = normalizeUrl(mHostUrlInput.getText().toString());
 984
 985             // Refresh server status, but don't show it
 986             updateServerStatusIconAndText(result);
 987
 988             /// update status icon and text
 989             if (mServerIsValid) {
 990                 hideRefreshButton();
 991                 // Try to create an account with user and pass "", to know if it is a regular server
 992                 // Update connect button in the answer of this method
 993                 detectAuthorizationMethod();
 994             } else {
 995                 showRefreshButton();
 996                 // Show server status
 997                 showServerStatus();
 998             }
 999
1000             /// very special case (TODO: move to a common place for all the remote operations)
1001             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1002                 showUntrustedCertDialog(result);
1003             }
1004
1005
1006         }   // else nothing ; only the last check operation is considered;
1007         // multiple can be triggered if the user amends a URL before a previous check can be triggered
1008     }
1009
1010
1011     /**
1012      *  Try to access with  user/pass ""/"", to know if it is a regular server
1013      */
1014     private void detectAuthorizationMethod() {
1015
1016         Log_OC.d(TAG, "Trying empty authorization to detect authentication method");
1017
1018         /// test credentials
1019         Intent service = new Intent(this, OperationsService.class);
1020         service.setAction(OperationsService.ACTION_DETECT_AUTHENTICATION_METHOD);
1021         service.putExtra(OperationsService.EXTRA_SERVER_URL, mHostBaseUrl);
1022         startService(service);
1023     }
1024
1025
1026     private String normalizeUrl(String url) {
1027         if (url != null && url.length() > 0) {
1028             url = url.trim();
1029             if (!url.toLowerCase().startsWith("http://") &&
1030                     !url.toLowerCase().startsWith("https://")) {
1031                 if (mIsSslConn) {
1032                     url = "https://" + url;
1033                 } else {
1034                     url = "http://" + url;
1035                 }
1036             }
1037
1038             // OC-208: Add suffix remote.php/webdav to normalize (OC-34)
1039             url = trimUrlWebdav(url);
1040
1041             if (url.endsWith("/")) {
1042                 url = url.substring(0, url.length() - 1);
1043             }
1044
1045         }
1046         return (url != null ? url : "");
1047     }
1048
1049
1050     private String trimUrlWebdav(String url){
1051         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){
1052             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length());
1053         } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){
1054             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length());
1055         } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){
1056             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length());
1057         }
1058         return (url != null ? url : "");
1059     }
1060
1061
1062     /**
1063      * Chooses the right icon and text to show to the user for the received operation result.
1064      *
1065      * @param result    Result of a remote operation performed in this activity
1066      */
1067     private void updateServerStatusIconAndText(RemoteOperationResult result) {
1068         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1069
1070         switch (result.getCode()) {
1071         case OK_SSL:
1072             mServerStatusIcon = android.R.drawable.ic_secure;
1073             mServerStatusText = R.string.auth_secure_connection;
1074             break;
1075
1076         case OK_NO_SSL:
1077         case OK:
1078             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1079                 mServerStatusText = R.string.auth_connection_established;
1080                 mServerStatusIcon = R.drawable.ic_ok;
1081             } else {
1082                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1083                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
1084             }
1085             break;
1086
1087         case NO_NETWORK_CONNECTION:
1088             mServerStatusIcon = R.drawable.no_network;
1089             mServerStatusText = R.string.auth_no_net_conn_title;
1090             break;
1091
1092         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1093             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1094             break;
1095         case BAD_OC_VERSION:
1096             mServerStatusText = R.string.auth_bad_oc_version_title;
1097             break;
1098         case WRONG_CONNECTION:
1099             mServerStatusText = R.string.auth_wrong_connection_title;
1100             break;
1101         case TIMEOUT:
1102             mServerStatusText = R.string.auth_timeout_title;
1103             break;
1104         case INCORRECT_ADDRESS:
1105             mServerStatusText = R.string.auth_incorrect_address_title;
1106             break;
1107         case SSL_ERROR:
1108             mServerStatusText = R.string.auth_ssl_general_error_title;
1109             break;
1110         case UNAUTHORIZED:
1111             mServerStatusText = R.string.auth_unauthorized;
1112             break;
1113         case HOST_NOT_AVAILABLE:
1114             mServerStatusText = R.string.auth_unknown_host_title;
1115             break;
1116         case INSTANCE_NOT_CONFIGURED:
1117             mServerStatusText = R.string.auth_not_configured_title;
1118             break;
1119         case FILE_NOT_FOUND:
1120             mServerStatusText = R.string.auth_incorrect_path_title;
1121             break;
1122         case OAUTH2_ERROR:
1123             mServerStatusText = R.string.auth_oauth_error;
1124             break;
1125         case OAUTH2_ERROR_ACCESS_DENIED:
1126             mServerStatusText = R.string.auth_oauth_error_access_denied;
1127             break;
1128         case UNHANDLED_HTTP_CODE:
1129         case UNKNOWN_ERROR:
1130             mServerStatusText = R.string.auth_unknown_error_title;
1131             break;
1132         default:
1133             mServerStatusText = 0;
1134             mServerStatusIcon = 0;
1135         }
1136     }
1137
1138
1139     /**
1140      * Chooses the right icon and text to show to the user for the received operation result.
1141      *
1142      * @param result    Result of a remote operation performed in this activity
1143      */
1144     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1145         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1146
1147         switch (result.getCode()) {
1148         case OK_SSL:
1149             mAuthStatusIcon = android.R.drawable.ic_secure;
1150             mAuthStatusText = R.string.auth_secure_connection;
1151             break;
1152
1153         case OK_NO_SSL:
1154         case OK:
1155             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1156                 mAuthStatusText = R.string.auth_connection_established;
1157                 mAuthStatusIcon = R.drawable.ic_ok;
1158             } else {
1159                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1160                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
1161             }
1162             break;
1163
1164         case NO_NETWORK_CONNECTION:
1165             mAuthStatusIcon = R.drawable.no_network;
1166             mAuthStatusText = R.string.auth_no_net_conn_title;
1167             break;
1168
1169         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1170             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1171             break;
1172         case BAD_OC_VERSION:
1173             mAuthStatusText = R.string.auth_bad_oc_version_title;
1174             break;
1175         case WRONG_CONNECTION:
1176             mAuthStatusText = R.string.auth_wrong_connection_title;
1177             break;
1178         case TIMEOUT:
1179             mAuthStatusText = R.string.auth_timeout_title;
1180             break;
1181         case INCORRECT_ADDRESS:
1182             mAuthStatusText = R.string.auth_incorrect_address_title;
1183             break;
1184         case SSL_ERROR:
1185             mAuthStatusText = R.string.auth_ssl_general_error_title;
1186             break;
1187         case UNAUTHORIZED:
1188             mAuthStatusText = R.string.auth_unauthorized;
1189             break;
1190         case HOST_NOT_AVAILABLE:
1191             mAuthStatusText = R.string.auth_unknown_host_title;
1192             break;
1193         case INSTANCE_NOT_CONFIGURED:
1194             mAuthStatusText = R.string.auth_not_configured_title;
1195             break;
1196         case FILE_NOT_FOUND:
1197             mAuthStatusText = R.string.auth_incorrect_path_title;
1198             break;
1199         case OAUTH2_ERROR:
1200             mAuthStatusText = R.string.auth_oauth_error;
1201             break;
1202         case OAUTH2_ERROR_ACCESS_DENIED:
1203             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1204             break;
1205         case ACCOUNT_NOT_NEW:
1206             mAuthStatusText = R.string.auth_account_not_new;
1207             break;
1208         case ACCOUNT_NOT_THE_SAME:
1209             mAuthStatusText = R.string.auth_account_not_the_same;
1210             break;
1211         case UNHANDLED_HTTP_CODE:
1212         case UNKNOWN_ERROR:
1213             mAuthStatusText = R.string.auth_unknown_error_title;
1214             break;
1215         default:
1216             mAuthStatusText = 0;
1217             mAuthStatusIcon = 0;
1218         }
1219     }
1220
1221
1222     private void updateStatusIconFailUserName(){
1223         mAuthStatusIcon = R.drawable.common_error;
1224         mAuthStatusText = R.string.auth_fail_get_user_name;
1225     }
1226
1227     private void updateServerStatusIconNoRegularAuth(){
1228         mServerStatusIcon = R.drawable.common_error;
1229         mServerStatusText = R.string.auth_can_not_auth_against_server;
1230     }
1231
1232     /**
1233      * Processes the result of the request for and access token send
1234      * to an OAuth authorization server.
1235      *
1236      * @param operation     Operation performed requesting the access token.
1237      * @param result        Result of the operation.
1238      */
1239     private void onGetOAuthAccessTokenFinish(OAuth2GetAccessToken operation, RemoteOperationResult result) {
1240         try {
1241             dismissDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
1242         } catch (IllegalArgumentException e) {
1243             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
1244         }
1245
1246         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
1247         if (result.isSuccess() && webdav_path != null) {
1248             /// be gentle with the user
1249             showDialog(DIALOG_LOGIN_PROGRESS);
1250
1251             /// time to test the retrieved access token on the ownCloud server
1252             mAuthToken = ((OAuth2GetAccessToken)operation).getResultTokenMap().get(OAuth2Constants.KEY_ACCESS_TOKEN);
1253             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1254             mAuthCheckOperation = new ExistenceCheckRemoteOperation("", this, false);
1255             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, true);
1256             client.setBearerCredentials(mAuthToken);
1257             mAuthCheckOperation.execute(client, this, mHandler);
1258
1259         } else {
1260             updateAuthStatusIconAndText(result);
1261             showAuthStatus();
1262             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1263         }
1264     }
1265
1266
1267     /**
1268      * Processes the result of the access check performed to try the user credentials.
1269      *
1270      * Creates a new account through the AccountManager.
1271      *
1272      * @param operation     Access check performed.
1273      * @param result        Result of the operation.
1274      */
1275     private void onAuthorizationCheckFinish(ExistenceCheckRemoteOperation operation, RemoteOperationResult result) {
1276         try {
1277             dismissDialog(DIALOG_LOGIN_PROGRESS);
1278         } catch (IllegalArgumentException e) {
1279             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
1280         }
1281
1282         if (result.isSuccess()) {
1283             Log_OC.d(TAG, "Successful access - time to save the account");
1284
1285             boolean success = false;
1286             if (mAction == ACTION_CREATE) {
1287                 success = createAccount();
1288
1289             } else {
1290                 updateToken();
1291                 success = true;
1292             }
1293
1294             if (success) {
1295                 finish();
1296             }
1297
1298         } else if (result.isServerFail() || result.isException()) {
1299             /// if server fail or exception in authorization, the UI is updated as when a server check failed
1300             mServerIsChecked = true;
1301             mServerIsValid = false;
1302             mIsSslConn = false;
1303             mOcServerChkOperation = null;
1304             mDiscoveredVersion = null;
1305             mHostBaseUrl = normalizeUrl(mHostUrlInput.getText().toString());
1306
1307             // update status icon and text
1308             updateServerStatusIconAndText(result);
1309             showServerStatus();
1310             mAuthStatusIcon = 0;
1311             mAuthStatusText = 0;
1312             showAuthStatus();
1313
1314             // update input controls state
1315             showRefreshButton();
1316             mOkButton.setEnabled(false);
1317
1318             // very special case (TODO: move to a common place for all the remote operations) (dangerous here?)
1319             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1320                 showUntrustedCertDialog(result);
1321             }
1322
1323         } else {    // authorization fail due to client side - probably wrong credentials
1324             updateAuthStatusIconAndText(result);
1325             showAuthStatus();
1326             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1327         }
1328     }
1329
1330
1331
1332
1333     /**
1334      * Sets the proper response to get that the Account Authenticator that started this activity saves
1335      * a new authorization token for mAccount.
1336      */
1337     private void updateToken() {
1338         Bundle response = new Bundle();
1339         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1340         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1341
1342         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1343             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1344             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1345             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1346
1347         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1348
1349             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1350             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1351             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1352
1353         } else {
1354             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1355             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1356         }
1357         setAccountAuthenticatorResult(response);
1358
1359     }
1360
1361
1362     /**
1363      * Creates a new account through the Account Authenticator that started this activity.
1364      *
1365      * This makes the account permanent.
1366      *
1367      * TODO Decide how to name the OAuth accounts
1368      */
1369     private boolean createAccount() {
1370         /// create and save new ownCloud account
1371         boolean isOAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1372         boolean isSaml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1373
1374         Uri uri = Uri.parse(mHostBaseUrl);
1375         String username = mUsernameInput.getText().toString().trim();
1376         if (isOAuth) {
1377             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1378         }
1379         String accountName = username + "@" + uri.getHost();
1380         if (uri.getPort() >= 0) {
1381             accountName += ":" + uri.getPort();
1382         }
1383         mAccount = new Account(accountName, MainApp.getAccountType());
1384         if (AccountUtils.exists(mAccount, getApplicationContext())) {
1385             // fail - not a new account, but an existing one; disallow
1386             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1387             updateAuthStatusIconAndText(result);
1388             showAuthStatus();
1389             Log_OC.d(TAG, result.getLogMessage());
1390             return false;
1391
1392         } else {
1393
1394             if (isOAuth || isSaml) {
1395                 mAccountMgr.addAccountExplicitly(mAccount, "", null);  // with external authorizations, the password is never input in the app
1396             } else {
1397                 mAccountMgr.addAccountExplicitly(mAccount, mPasswordInput.getText().toString(), null);
1398             }
1399
1400             /// add the new account as default in preferences, if there is none already
1401             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1402             if (defaultAccount == null) {
1403                 SharedPreferences.Editor editor = PreferenceManager
1404                         .getDefaultSharedPreferences(this).edit();
1405                 editor.putString("select_oc_account", accountName);
1406                 editor.commit();
1407             }
1408
1409             /// prepare result to return to the Authenticator
1410             //  TODO check again what the Authenticator makes with it; probably has the same effect as addAccountExplicitly, but it's not well done
1411             final Intent intent = new Intent();
1412             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1413             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1414             /*if (!isOAuth)
1415                 intent.putExtra(AccountManager.KEY_AUTHTOKEN,   MainApp.getAccountType()); */
1416             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1417             if (isOAuth || isSaml) {
1418                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1419             }
1420             /// add user data to the new account; TODO probably can be done in the last parameter addAccountExplicitly, or in KEY_USERDATA
1421             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_VERSION,         mDiscoveredVersion.getVersion());
1422             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_VERSION_STRING,  mDiscoveredVersion.getVersionString());
1423             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_BASE_URL,   mHostBaseUrl);
1424
1425             if (isSaml) {
1426                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1427             } else if (isOAuth) {
1428                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1429             }
1430
1431             setAccountAuthenticatorResult(intent.getExtras());
1432             setResult(RESULT_OK, intent);
1433
1434             return true;
1435         }
1436     }
1437
1438
1439     /**
1440      * {@inheritDoc}
1441      *
1442      * Necessary to update the contents of the SSL Dialog
1443      *
1444      * TODO move to some common place for all possible untrusted SSL failures
1445      */
1446     @Override
1447     protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
1448         switch (id) {
1449         case DIALOG_LOGIN_PROGRESS:
1450         case DIALOG_CERT_NOT_SAVED:
1451         case DIALOG_OAUTH2_LOGIN_PROGRESS:
1452             break;
1453         default:
1454             Log_OC.e(TAG, "Incorrect dialog called with id = " + id);
1455         }
1456     }
1457
1458
1459     /**
1460      * {@inheritDoc}
1461      */
1462     @Override
1463     protected Dialog onCreateDialog(int id) {
1464         Dialog dialog = null;
1465         switch (id) {
1466         case DIALOG_LOGIN_PROGRESS: {
1467             /// simple progress dialog
1468             ProgressDialog working_dialog = new ProgressDialog(this);
1469             working_dialog.setMessage(getResources().getString(R.string.auth_trying_to_login));
1470             working_dialog.setIndeterminate(true);
1471             working_dialog.setCancelable(true);
1472             working_dialog
1473             .setOnCancelListener(new DialogInterface.OnCancelListener() {
1474                 @Override
1475                 public void onCancel(DialogInterface dialog) {
1476                     /// TODO study if this is enough
1477                     Log_OC.i(TAG, "Login canceled");
1478                     if (mOperationThread != null) {
1479                         mOperationThread.interrupt();
1480                         finish();
1481                     }
1482                 }
1483             });
1484             dialog = working_dialog;
1485             break;
1486         }
1487         case DIALOG_OAUTH2_LOGIN_PROGRESS: {
1488             ProgressDialog working_dialog = new ProgressDialog(this);
1489             working_dialog.setMessage(String.format("Getting authorization"));
1490             working_dialog.setIndeterminate(true);
1491             working_dialog.setCancelable(true);
1492             working_dialog
1493             .setOnCancelListener(new DialogInterface.OnCancelListener() {
1494                 @Override
1495                 public void onCancel(DialogInterface dialog) {
1496                     Log_OC.i(TAG, "Login canceled");
1497                     finish();
1498                 }
1499             });
1500             dialog = working_dialog;
1501             break;
1502         }
1503         case DIALOG_CERT_NOT_SAVED: {
1504             AlertDialog.Builder builder = new AlertDialog.Builder(this);
1505             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
1506             builder.setCancelable(false);
1507             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
1508                 @Override
1509                 public void onClick(DialogInterface dialog, int which) {
1510                     dialog.dismiss();
1511                 };
1512             });
1513             dialog = builder.create();
1514             break;
1515         }
1516         default:
1517             Log_OC.e(TAG, "Incorrect dialog called with id = " + id);
1518         }
1519         return dialog;
1520     }
1521
1522
1523     /**
1524      * Starts and activity to open the 'new account' page in the ownCloud web site
1525      *
1526      * @param view      'Account register' button
1527      */
1528     public void onRegisterClick(View view) {
1529         Intent register = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url)));
1530         setResult(RESULT_CANCELED);
1531         startActivity(register);
1532     }
1533
1534
1535     /**
1536      * Updates the content and visibility state of the icon and text associated
1537      * to the last check on the ownCloud server.
1538      */
1539     private void showServerStatus() {
1540         TextView tv = (TextView) findViewById(R.id.server_status_text);
1541
1542         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1543             tv.setVisibility(View.INVISIBLE);
1544
1545         } else {
1546             tv.setText(mServerStatusText);
1547             tv.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1548             tv.setVisibility(View.VISIBLE);
1549         }
1550
1551     }
1552
1553
1554     /**
1555      * Updates the content and visibility state of the icon and text associated
1556      * to the interactions with the OAuth authorization server.
1557      */
1558     private void showAuthStatus() {
1559         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1560             mAuthStatusLayout.setVisibility(View.INVISIBLE);
1561
1562         } else {
1563             mAuthStatusLayout.setText(mAuthStatusText);
1564             mAuthStatusLayout.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1565             mAuthStatusLayout.setVisibility(View.VISIBLE);
1566         }
1567     }
1568
1569
1570     private void showRefreshButton() {
1571         mRefreshButton.setVisibility(View.VISIBLE);
1572     }
1573
1574     private void hideRefreshButton() {
1575         mRefreshButton.setVisibility(View.GONE);
1576     }
1577
1578     /**
1579      * Called when the refresh button in the input field for ownCloud host is clicked.
1580      *
1581      * Performs a new check on the URL in the input field.
1582      *
1583      * @param view      Refresh 'button'
1584      */
1585     public void onRefreshClick(View view) {
1586         checkOcServer();
1587     }
1588
1589
1590     /**
1591      * Called when the eye icon in the password field is clicked.
1592      *
1593      * Toggles the visibility of the password in the field.
1594      */
1595     public void onViewPasswordClick() {
1596         int selectionStart = mPasswordInput.getSelectionStart();
1597         int selectionEnd = mPasswordInput.getSelectionEnd();
1598         if (isPasswordVisible()) {
1599             hidePassword();
1600         } else {
1601             showPassword();
1602         }
1603         mPasswordInput.setSelection(selectionStart, selectionEnd);
1604     }
1605
1606
1607     /**
1608      * Called when the checkbox for OAuth authorization is clicked.
1609      *
1610      * Hides or shows the input fields for user & password.
1611      *
1612      * @param view      'View password' 'button'
1613      */
1614     public void onCheckClick(View view) {
1615         CheckBox oAuth2Check = (CheckBox)view;
1616         if (oAuth2Check.isChecked()) {
1617             mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1618         } else {
1619             mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1620         }
1621         adaptViewAccordingToAuthenticationMethod();
1622     }
1623
1624
1625     /**
1626      * Changes the visibility of input elements depending on
1627      * the current authorization method.
1628      */
1629     private void adaptViewAccordingToAuthenticationMethod () {
1630         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1631             // OAuth 2 authorization
1632             mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
1633             mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
1634             mUsernameInput.setVisibility(View.GONE);
1635             mPasswordInput.setVisibility(View.GONE);
1636
1637         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1638             // SAML-based web Single Sign On
1639             mOAuthAuthEndpointText.setVisibility(View.GONE);
1640             mOAuthTokenEndpointText.setVisibility(View.GONE);
1641             mUsernameInput.setVisibility(View.GONE);
1642             mPasswordInput.setVisibility(View.GONE);
1643         } else {
1644             // basic HTTP authorization
1645             mOAuthAuthEndpointText.setVisibility(View.GONE);
1646             mOAuthTokenEndpointText.setVisibility(View.GONE);
1647             mUsernameInput.setVisibility(View.VISIBLE);
1648             mPasswordInput.setVisibility(View.VISIBLE);
1649         }
1650     }
1651
1652     /**
1653      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1654      *
1655      *  Used to trigger the authentication check when the user presses 'enter' after writing the password,
1656      *  or to throw the server test when the only field on screen is the URL input field.
1657      */
1658     @Override
1659     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1660         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null && inputField.equals(mPasswordInput)) {
1661             if (mOkButton.isEnabled()) {
1662                 mOkButton.performClick();
1663             }
1664
1665         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null && inputField.equals(mHostUrlInput)) {
1666             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1667                 checkOcServer();
1668             }
1669         }
1670         return false;   // always return false to grant that the software keyboard is hidden anyway
1671     }
1672
1673
1674     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1675
1676         private int fuzz = 75;
1677
1678         /**
1679          * {@inheritDoc}
1680          */
1681         @Override
1682         public boolean onTouch(View view, MotionEvent event) {
1683             Drawable rightDrawable = null;
1684             if (view instanceof TextView) {
1685                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1686                 if (drawables.length > 2) {
1687                     rightDrawable = drawables[2];
1688                 }
1689             }
1690             if (rightDrawable != null) {
1691                 final int x = (int) event.getX();
1692                 final int y = (int) event.getY();
1693                 final Rect bounds = rightDrawable.getBounds();
1694                 if (x >= (view.getRight() - bounds.width() - fuzz) && x <= (view.getRight() - view.getPaddingRight() + fuzz)
1695                         && y >= (view.getPaddingTop() - fuzz) && y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1696
1697                     return onDrawableTouch(event);
1698                 }
1699             }
1700             return false;
1701         }
1702
1703         public abstract boolean onDrawableTouch(final MotionEvent event);
1704     }
1705
1706
1707     public void onSamlDialogSuccess(String sessionCookie) {
1708         mAuthToken = sessionCookie;
1709
1710         if (sessionCookie != null && sessionCookie.length() > 0) {
1711             mAuthToken = sessionCookie;
1712
1713             GetRemoteUserNameOperation getUserOperation = new GetRemoteUserNameOperation();
1714             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl), getApplicationContext(), true);
1715             client.setSsoSessionCookie(mAuthToken);
1716             getUserOperation.execute(client, this, mHandler);
1717         }
1718
1719
1720     }
1721
1722
1723     @Override
1724     public void onSsoFinished(String sessionCookies) {
1725         //Toast.makeText(this, "got cookies: " + sessionCookie, Toast.LENGTH_LONG).show();
1726
1727         if (sessionCookies != null && sessionCookies.length() > 0) {
1728             Log_OC.d(TAG, "Successful SSO - time to save the account");
1729             onSamlDialogSuccess(sessionCookies);
1730             Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1731             if (fd != null && fd instanceof SherlockDialogFragment) {
1732                 Dialog d = ((SherlockDialogFragment)fd).getDialog();
1733                 if (d != null && d.isShowing()) {
1734                     d.dismiss();
1735                 }
1736             }
1737
1738         } else {
1739             // TODO - show fail
1740             Log_OC.d(TAG, "SSO failed");
1741         }
1742
1743     }
1744
1745     /** Show auth_message
1746      *
1747      * @param message
1748      */
1749     private void showAuthMessage(String message) {
1750         mAuthMessage.setVisibility(View.VISIBLE);
1751         mAuthMessage.setText(message);
1752     }
1753
1754     private void hideAuthMessage() {
1755         mAuthMessage.setVisibility(View.GONE);
1756     }
1757
1758     @Override
1759     public boolean onTouchEvent(MotionEvent event) {
1760         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
1761                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1762             checkOcServer();
1763         }
1764         return super.onTouchEvent(event);
1765     }
1766
1767
1768     /**
1769      * Show untrusted cert dialog
1770      */
1771     public void showUntrustedCertDialog(X509Certificate x509Certificate, SslError error, SslErrorHandler handler) {
1772         // Show a dialog with the certificate info
1773         SslUntrustedCertDialog dialog = null;
1774         if (x509Certificate == null) {
1775             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
1776         } else {
1777             dialog = SslUntrustedCertDialog.newInstanceForFullSslError(x509Certificate, error, handler);
1778         }
1779         FragmentManager fm = getSupportFragmentManager();
1780         FragmentTransaction ft = fm.beginTransaction();
1781         ft.addToBackStack(null);
1782         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1783     }
1784
1785     /**
1786      * Show untrusted cert dialog
1787      */
1788     public void showUntrustedCertDialog(RemoteOperationResult result) {
1789         // Show a dialog with the certificate info
1790         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1791         FragmentManager fm = getSupportFragmentManager();
1792         FragmentTransaction ft = fm.beginTransaction();
1793         ft.addToBackStack(null);
1794         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1795
1796     }
1797
1798     /**
1799      * Dismiss untrusted cert dialog
1800      */
1801     public void dismissUntrustedCertDialog(){
1802         /*Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_UNTRUSTED_CERT);
1803         if (frag != null) {
1804             SslErrorViewAdapter dialog = (SslErrorViewAdapter) frag;
1805             dialog.dismiss();
1806         }
1807          */
1808     }
1809
1810     /**
1811      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1812      */
1813     public void onSavedCertificate() {
1814         Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1815         if (fd == null) {
1816             // if SAML dialog is not shown, the SslDialog was shown due to an SSL error in the server check
1817             checkOcServer();
1818         }
1819     }
1820
1821     /**
1822      * Called from SslValidatorDialog when a new server certificate could not be saved
1823      * when the user requested it.
1824      */
1825     @Override
1826     public void onFailedSavingCertificate() {
1827         showDialog(DIALOG_CERT_NOT_SAVED);
1828         cancelWebView();
1829     }
1830
1831     @Override
1832     public void onCancelCertificate() {
1833         cancelWebView();
1834     }
1835
1836
1837     public void cancelWebView() {
1838         Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1839         if (fd != null && fd instanceof SherlockDialogFragment) {
1840             Dialog d = ((SherlockDialogFragment)fd).getDialog();
1841             if (d != null && d.isShowing()) {
1842                 d.dismiss();
1843             }
1844         }
1845
1846     }
1847
1848     /**
1849      * Implements callback methods for service binding. Passed as a parameter to {
1850      */
1851     private class OperationsServiceConnection implements ServiceConnection {
1852
1853         @Override
1854         public void onServiceConnected(ComponentName component, IBinder service) {
1855             if (component.equals(new ComponentName(AuthenticatorActivity.this, OperationsService.class))) {
1856                 Log_OC.d(TAG, "Operations service connected");
1857                 mOperationsServiceBinder = (OperationsServiceBinder) service;
1858                 mOperationsServiceBinder.addOperationListener(AuthenticatorActivity.this, mHandler);
1859             } else {
1860                 return;
1861             }
1862
1863         }
1864
1865         @Override
1866         public void onServiceDisconnected(ComponentName component) {
1867             if (component.equals(new ComponentName(AuthenticatorActivity.this, OperationsService.class))) {
1868                 Log_OC.d(TAG, "Operations service disconnected");
1869                 mOperationsServiceBinder = null;
1870                 // TODO whatever could be waiting for the service is unbound
1871             }
1872         }
1873
1874     }
1875 }