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      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION request
 526      * is caught here.
 527      *
 528      * To make this possible, this activity needs to be qualified with android:launchMode = "singleTask" in the
 529      * AndroidManifest.xml file.
 530      */
 531     @Override
 532     protected void onNewIntent (Intent intent) {
 533         Log_OC.d(TAG, "onNewIntent()");
 534         Uri data = intent.getData();
 535         if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) {
 536             mNewCapturedUriFromOAuth2Redirection = data;
 537         }
 538     }
 539
 540     /**
 541      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION, and
 542      * deferred in {@link #onNewIntent(Intent)}, is processed here.
 543      */
 544     @Override
 545     protected void onResume() {
 546         super.onResume();
 547         if (mAction == ACTION_UPDATE_TOKEN && mJustCreated && getIntent().getBooleanExtra(EXTRA_ENFORCED_UPDATE, false)) {
 548             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 549                 //Toast.makeText(this, R.string.auth_expired_oauth_token_toast, Toast.LENGTH_LONG).show();
 550                 showAuthMessage(getString(R.string.auth_expired_oauth_token_toast));
 551             } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 552                 //Toast.makeText(this, R.string.auth_expired_saml_sso_token_toast, Toast.LENGTH_LONG).show();
 553                 showAuthMessage(getString(R.string.auth_expired_saml_sso_token_toast));
 554             } else {
 555                 //Toast.makeText(this, R.string.auth_expired_basic_auth_toast, Toast.LENGTH_LONG).show();
 556                 showAuthMessage(getString(R.string.auth_expired_basic_auth_toast));
 557             }
 558         }
 559
 560         if (mNewCapturedUriFromOAuth2Redirection != null) {
 561             getOAuth2AccessTokenFromCapturedRedirection();
 562         }
 563
 564         mJustCreated = false;
 565
 566     }
 567
 568
 569     @Override
 570     protected void onDestroy() {
 571         if (mOperationsConnection != null) {
 572             unbindService(mOperationsConnection);
 573             mOperationsBinder = null;
 574         }
 575         super.onDestroy();
 576     }
 577
 578
 579     /**
 580      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 581      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 582      */
 583     private void getOAuth2AccessTokenFromCapturedRedirection() {
 584         /// Parse data from OAuth redirection
 585         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 586         mNewCapturedUriFromOAuth2Redirection = null;
 587
 588         /// Showing the dialog with instructions for the user.
 589         showDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
 590
 591         /// GET ACCESS TOKEN to the oAuth server
 592         RemoteOperation operation = new OAuth2GetAccessToken(   getString(R.string.oauth2_client_id),
 593                 getString(R.string.oauth2_redirect_uri),
 594                 getString(R.string.oauth2_grant_type),
 595                 queryParameters);
 596         //OwnCloudClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(getString(R.string.oauth2_url_endpoint_access)), getApplicationContext());
 597         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mOAuthTokenEndpointText.getText().toString().trim()), getApplicationContext(), true);
 598         operation.execute(client, this, mHandler);
 599     }
 600
 601
 602
 603     /**
 604      * Handles the change of focus on the text inputs for the server URL and the password
 605      */
 606     public void onFocusChange(View view, boolean hasFocus) {
 607         if (view.getId() == R.id.hostUrlInput) {
 608             if (!hasFocus) {
 609                 onUrlInputFocusLost((TextView) view);
 610             }
 611             else {
 612                 hideRefreshButton();
 613             }
 614
 615         } else if (view.getId() == R.id.account_password) {
 616             onPasswordFocusChanged((TextView) view, hasFocus);
 617         }
 618     }
 619
 620
 621     /**
 622      * Handles changes in focus on the text input for the server URL.
 623      *
 624      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 625      * other field. The operation to check the existence of the server in the entered URL is
 626      * started.
 627      *
 628      * When hasFocus:    user 'comes back' to write again the server URL.
 629      *
 630      * @param hostInput     TextView with the URL input field receiving the change of focus.
 631      */
 632     private void onUrlInputFocusLost(TextView hostInput) {
 633         if (!mHostBaseUrl.equals(normalizeUrl(mHostUrlInput.getText().toString()))) {
 634             checkOcServer();
 635         } else {
 636             mOkButton.setEnabled(mServerIsValid);
 637             if (!mServerIsValid) {
 638                 showRefreshButton();
 639             }
 640         }
 641     }
 642
 643
 644     private void checkOcServer() {
 645         String uri = trimUrlWebdav(mHostUrlInput.getText().toString().trim());
 646
 647         if (!mHostUrlInputEnabled){
 648             uri = getString(R.string.server_url);
 649         }
 650
 651         mServerIsValid = false;
 652         mServerIsChecked = false;
 653         mOkButton.setEnabled(false);
 654         mDiscoveredVersion = null;
 655         hideRefreshButton();
 656         if (uri.length() != 0) {
 657             mServerStatusText = R.string.auth_testing_connection;
 658             mServerStatusIcon = R.drawable.progress_small;
 659             showServerStatus();
 660             mOcServerChkOperation = new  GetRemoteStatusOperation(uri, this);
 661             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(uri), this, true);
 662             mOperationThread = mOcServerChkOperation.execute(client, this, mHandler);
 663         } else {
 664             mServerStatusText = 0;
 665             mServerStatusIcon = 0;
 666             showServerStatus();
 667         }
 668     }
 669
 670
 671     /**
 672      * Handles changes in focus on the text input for the password (basic authorization).
 673      *
 674      * When (hasFocus), the button to toggle password visibility is shown.
 675      *
 676      * When (!hasFocus), the button is made invisible and the password is hidden.
 677      *
 678      * @param passwordInput    TextView with the password input field receiving the change of focus.
 679      * @param hasFocus          'True' if focus is received, 'false' if is lost
 680      */
 681     private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {
 682         if (hasFocus) {
 683             showViewPasswordButton();
 684         } else {
 685             hidePassword();
 686             hidePasswordButton();
 687         }
 688     }
 689
 690
 691     private void showViewPasswordButton() {
 692         //int drawable = android.R.drawable.ic_menu_view;
 693         int drawable = R.drawable.ic_view;
 694         if (isPasswordVisible()) {
 695             //drawable = android.R.drawable.ic_secure;
 696             drawable = R.drawable.ic_hide;
 697         }
 698         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 699     }
 700
 701     private boolean isPasswordVisible() {
 702         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 703     }
 704
 705     private void hidePasswordButton() {
 706         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 707     }
 708
 709     private void showPassword() {
 710         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 711         showViewPasswordButton();
 712     }
 713
 714     private void hidePassword() {
 715         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
 716         showViewPasswordButton();
 717     }
 718
 719
 720     /**
 721      * Cancels the authenticator activity
 722      *
 723      * IMPORTANT ENTRY POINT 3: Never underestimate the importance of cancellation
 724      *
 725      * This method is bound in the layout/acceoun_setup.xml resource file.
 726      *
 727      * @param view      Cancel button
 728      */
 729     public void onCancelClick(View view) {
 730         setResult(RESULT_CANCELED);     // TODO review how is this related to AccountAuthenticator (debugging)
 731         finish();
 732     }
 733
 734
 735
 736     /**
 737      * Checks the credentials of the user in the root of the ownCloud server
 738      * before creating a new local account.
 739      *
 740      * For basic authorization, a check of existence of the root folder is
 741      * performed.
 742      *
 743      * For OAuth, starts the flow to get an access token; the credentials test
 744      * is postponed until it is available.
 745      *
 746      * IMPORTANT ENTRY POINT 4
 747      *
 748      * @param view      OK button
 749      */
 750     public void onOkClick(View view) {
 751         // this check should be unnecessary
 752         if (mDiscoveredVersion == null || !mDiscoveredVersion.isVersionValid()  || mHostBaseUrl == null || mHostBaseUrl.length() == 0) {
 753             mServerStatusIcon = R.drawable.common_error;
 754             mServerStatusText = R.string.auth_wtf_reenter_URL;
 755             showServerStatus();
 756             mOkButton.setEnabled(false);
 757             Log_OC.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");
 758             return;
 759         }
 760
 761         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 762             startOauthorization();
 763         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 764             startSamlBasedFederatedSingleSignOnAuthorization();
 765         } else {
 766             checkBasicAuthorization();
 767         }
 768     }
 769
 770
 771     /**
 772      * Tests the credentials entered by the user performing a check of existence on
 773      * the root folder of the ownCloud server.
 774      */
 775     private void checkBasicAuthorization() {
 776         /// get the path to the root folder through WebDAV from the version server
 777         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 778
 779         /// get basic credentials entered by user
 780         String username = mUsernameInput.getText().toString();
 781         String password = mPasswordInput.getText().toString();
 782
 783         /// be gentle with the user
 784         showDialog(DIALOG_LOGIN_PROGRESS);
 785
 786         /// test credentials accessing the root folder
 787         mAuthCheckOperation = new  ExistenceCheckRemoteOperation("", this, false);
 788         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, true);
 789         client.setBasicCredentials(username, password);
 790         mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
 791     }
 792
 793
 794     /**
 795      * Starts the OAuth 'grant type' flow to get an access token, with
 796      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 797      */
 798     private void startOauthorization() {
 799         // be gentle with the user
 800         mAuthStatusIcon = R.drawable.progress_small;
 801         mAuthStatusText = R.string.oauth_login_connection;
 802         showAuthStatus();
 803
 804
 805         // GET AUTHORIZATION request
 806         //Uri uri = Uri.parse(getString(R.string.oauth2_url_endpoint_auth));
 807         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 808         Uri.Builder uriBuilder = uri.buildUpon();
 809         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type));
 810         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri));
 811         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id));
 812         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope));
 813         //uriBuilder.appendQueryParameter(OAuth2Constants.KEY_STATE, whateverwewant);
 814         uri = uriBuilder.build();
 815         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 816         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 817         startActivity(i);
 818     }
 819
 820
 821     /**
 822      * Starts the Web Single Sign On flow to get access to the root folder
 823      * in the server.
 824      */
 825     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 826         // be gentle with the user
 827         mAuthStatusIcon = R.drawable.progress_small;
 828         mAuthStatusText = R.string.auth_connecting_auth_server;
 829         showAuthStatus();
 830         showDialog(DIALOG_LOGIN_PROGRESS);
 831
 832         /// get the path to the root folder through WebDAV from the version server
 833         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 834
 835         /// test credentials accessing the root folder
 836         mAuthCheckOperation = new  ExistenceCheckRemoteOperation("", this, false);
 837         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, false);
 838         mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
 839
 840     }
 841
 842     /**
 843      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 844      *
 845      * Dispatches the operation flow to the right method.
 846      */
 847     @Override
 848     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 849
 850         if (operation instanceof GetRemoteStatusOperation) {
 851             onOcServerCheckFinish((GetRemoteStatusOperation) operation, result);
 852
 853         } else if (operation instanceof OAuth2GetAccessToken) {
 854             onGetOAuthAccessTokenFinish((OAuth2GetAccessToken)operation, result);
 855
 856         } else if (operation instanceof ExistenceCheckRemoteOperation)  {
 857             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 858                 onSamlBasedFederatedSingleSignOnAuthorizationStart(operation, result);
 859
 860             } else {
 861                 onAuthorizationCheckFinish((ExistenceCheckRemoteOperation)operation, result);
 862             }
 863         } else if (operation instanceof GetRemoteUserNameOperation) {
 864             onGetUserNameFinish((GetRemoteUserNameOperation) operation, result);
 865
 866         } else if (operation instanceof DetectAuthenticationMethodOperation) {
 867             onDetectAutheticationFinish((DetectAuthenticationMethodOperation) operation, result);
 868         }
 869
 870     }
 871
 872     private void onDetectAutheticationFinish(DetectAuthenticationMethodOperation operation, RemoteOperationResult result) {
 873         // Read authentication method
 874         if (result.getData().size() > 0) {
 875             AuthenticationMethod authMethod = (AuthenticationMethod) result.getData().get(0);
 876             String basic = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 877             String oAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
 878             String saml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 879
 880             if ( ( mAuthTokenType.equals(basic) && !authMethod.equals(AuthenticationMethod.BASIC_HTTP_AUTH) ) ||
 881                     ( mAuthTokenType.equals(oAuth) && !authMethod.equals(AuthenticationMethod.BEARER_TOKEN) ) ||
 882                     ( mAuthTokenType.equals(saml)  && !authMethod.equals(AuthenticationMethod.SAML_WEB_SSO) ) ) {
 883
 884                 mOkButton.setEnabled(false);
 885                 mServerIsValid = false;
 886                 //show an alert message ( Server Status )
 887                 updateServerStatusIconNoRegularAuth();
 888                 showServerStatus();
 889
 890             } else {
 891                 mOkButton.setEnabled(true);
 892
 893                 // Show server status
 894                 showServerStatus();
 895             }
 896
 897         }
 898     }
 899
 900
 901
 902     private void onGetUserNameFinish(GetRemoteUserNameOperation operation, RemoteOperationResult result) {
 903
 904         if (result.isSuccess()) {
 905             boolean success = false;
 906             String username = operation.getUserName();
 907
 908             if ( mAction == ACTION_CREATE) {
 909                 mUsernameInput.setText(username);
 910                 success = createAccount();
 911             } else {
 912
 913                 if (!mUsernameInput.getText().toString().equals(username)) {
 914                     // fail - not a new account, but an existing one; disallow
 915                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
 916                     updateAuthStatusIconAndText(result);
 917                     showAuthStatus();
 918                     Log_OC.d(TAG, result.getLogMessage());
 919                 } else {
 920                     updateToken();
 921                     success = true;
 922                 }
 923             }
 924
 925             if (success)
 926                 finish();
 927         } else {
 928             updateStatusIconFailUserName();
 929             showAuthStatus();
 930             Log_OC.e(TAG, "Access to user name failed: " + result.getLogMessage());
 931         }
 932
 933     }
 934
 935     private void onSamlBasedFederatedSingleSignOnAuthorizationStart(RemoteOperation operation, RemoteOperationResult result) {
 936         try {
 937             dismissDialog(DIALOG_LOGIN_PROGRESS);
 938         } catch (IllegalArgumentException e) {
 939             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
 940         }
 941
 942         //if (result.isTemporalRedirection() && result.isIdPRedirection()) {
 943         if (result.isIdPRedirection()) {
 944             String url = result.getRedirectedLocation();
 945             String targetUrl = mHostBaseUrl + AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 946
 947             // Show dialog
 948             mSamlDialog = SamlWebViewDialog.newInstance(url, targetUrl);
 949             mSamlDialog.show(getSupportFragmentManager(), TAG_SAML_DIALOG);
 950
 951             mAuthStatusIcon = 0;
 952             mAuthStatusText = 0;
 953
 954         } else {
 955             mAuthStatusIcon = R.drawable.common_error;
 956             mAuthStatusText = R.string.auth_unsupported_auth_method;
 957
 958         }
 959         showAuthStatus();
 960     }
 961
 962
 963     /**
 964      * Processes the result of the server check performed when the user finishes the enter of the
 965      * server URL.
 966      *
 967      * @param operation     Server check performed.
 968      * @param result        Result of the check.
 969      */
 970     private void onOcServerCheckFinish(GetRemoteStatusOperation operation, RemoteOperationResult result) {
 971         if (operation.equals(mOcServerChkOperation)) {
 972             /// save result state
 973             mServerIsChecked = true;
 974             mServerIsValid = result.isSuccess();
 975             mIsSslConn = (result.getCode() == ResultCode.OK_SSL);
 976             mOcServerChkOperation = null;
 977
 978
 979             /// retrieve discovered version and normalize server URL
 980             mDiscoveredVersion = operation.getDiscoveredVersion();
 981             mHostBaseUrl = normalizeUrl(mHostUrlInput.getText().toString());
 982
 983             // Refresh server status, but don't show it
 984             updateServerStatusIconAndText(result);
 985
 986             /// update status icon and text
 987             if (mServerIsValid) {
 988                 hideRefreshButton();
 989                 // Try to create an account with user and pass "", to know if it is a regular server
 990                 // Update connect button in the answer of this method
 991                 detectAuthorizationMethod();
 992             } else {
 993                 showRefreshButton();
 994                 // Show server status
 995                 showServerStatus();
 996             }
 997
 998             /// very special case (TODO: move to a common place for all the remote operations)
 999             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1000                 showUntrustedCertDialog(result);
1001             }
1002
1003
1004         }   // else nothing ; only the last check operation is considered;
1005         // multiple can be triggered if the user amends a URL before a previous check can be triggered
1006     }
1007
1008
1009     /**
1010      *  Try to access with  user/pass ""/"", to know if it is a regular server
1011      */
1012     private void detectAuthorizationMethod() {
1013
1014         Log_OC.d(TAG, "Trying empty authorization to detect authentication method");
1015
1016         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
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         service.putExtra(OperationsService.EXTRA_WEBDAV_PATH, webdav_path);
1023         startService(service);
1024     }
1025
1026
1027     private String normalizeUrl(String url) {
1028         if (url != null && url.length() > 0) {
1029             url = url.trim();
1030             if (!url.toLowerCase().startsWith("http://") &&
1031                     !url.toLowerCase().startsWith("https://")) {
1032                 if (mIsSslConn) {
1033                     url = "https://" + url;
1034                 } else {
1035                     url = "http://" + url;
1036                 }
1037             }
1038
1039             // OC-208: Add suffix remote.php/webdav to normalize (OC-34)
1040             url = trimUrlWebdav(url);
1041
1042             if (url.endsWith("/")) {
1043                 url = url.substring(0, url.length() - 1);
1044             }
1045
1046         }
1047         return (url != null ? url : "");
1048     }
1049
1050
1051     private String trimUrlWebdav(String url){
1052         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){
1053             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length());
1054         } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){
1055             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length());
1056         } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){
1057             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length());
1058         }
1059         return (url != null ? url : "");
1060     }
1061
1062
1063     /**
1064      * Chooses the right icon and text to show to the user for the received operation result.
1065      *
1066      * @param result    Result of a remote operation performed in this activity
1067      */
1068     private void updateServerStatusIconAndText(RemoteOperationResult result) {
1069         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1070
1071         switch (result.getCode()) {
1072         case OK_SSL:
1073             mServerStatusIcon = android.R.drawable.ic_secure;
1074             mServerStatusText = R.string.auth_secure_connection;
1075             break;
1076
1077         case OK_NO_SSL:
1078         case OK:
1079             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1080                 mServerStatusText = R.string.auth_connection_established;
1081                 mServerStatusIcon = R.drawable.ic_ok;
1082             } else {
1083                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1084                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
1085             }
1086             break;
1087
1088         case NO_NETWORK_CONNECTION:
1089             mServerStatusIcon = R.drawable.no_network;
1090             mServerStatusText = R.string.auth_no_net_conn_title;
1091             break;
1092
1093         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1094             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1095             break;
1096         case BAD_OC_VERSION:
1097             mServerStatusText = R.string.auth_bad_oc_version_title;
1098             break;
1099         case WRONG_CONNECTION:
1100             mServerStatusText = R.string.auth_wrong_connection_title;
1101             break;
1102         case TIMEOUT:
1103             mServerStatusText = R.string.auth_timeout_title;
1104             break;
1105         case INCORRECT_ADDRESS:
1106             mServerStatusText = R.string.auth_incorrect_address_title;
1107             break;
1108         case SSL_ERROR:
1109             mServerStatusText = R.string.auth_ssl_general_error_title;
1110             break;
1111         case UNAUTHORIZED:
1112             mServerStatusText = R.string.auth_unauthorized;
1113             break;
1114         case HOST_NOT_AVAILABLE:
1115             mServerStatusText = R.string.auth_unknown_host_title;
1116             break;
1117         case INSTANCE_NOT_CONFIGURED:
1118             mServerStatusText = R.string.auth_not_configured_title;
1119             break;
1120         case FILE_NOT_FOUND:
1121             mServerStatusText = R.string.auth_incorrect_path_title;
1122             break;
1123         case OAUTH2_ERROR:
1124             mServerStatusText = R.string.auth_oauth_error;
1125             break;
1126         case OAUTH2_ERROR_ACCESS_DENIED:
1127             mServerStatusText = R.string.auth_oauth_error_access_denied;
1128             break;
1129         case UNHANDLED_HTTP_CODE:
1130         case UNKNOWN_ERROR:
1131             mServerStatusText = R.string.auth_unknown_error_title;
1132             break;
1133         default:
1134             mServerStatusText = 0;
1135             mServerStatusIcon = 0;
1136         }
1137     }
1138
1139
1140     /**
1141      * Chooses the right icon and text to show to the user for the received operation result.
1142      *
1143      * @param result    Result of a remote operation performed in this activity
1144      */
1145     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1146         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1147
1148         switch (result.getCode()) {
1149         case OK_SSL:
1150             mAuthStatusIcon = android.R.drawable.ic_secure;
1151             mAuthStatusText = R.string.auth_secure_connection;
1152             break;
1153
1154         case OK_NO_SSL:
1155         case OK:
1156             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1157                 mAuthStatusText = R.string.auth_connection_established;
1158                 mAuthStatusIcon = R.drawable.ic_ok;
1159             } else {
1160                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1161                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
1162             }
1163             break;
1164
1165         case NO_NETWORK_CONNECTION:
1166             mAuthStatusIcon = R.drawable.no_network;
1167             mAuthStatusText = R.string.auth_no_net_conn_title;
1168             break;
1169
1170         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1171             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1172             break;
1173         case BAD_OC_VERSION:
1174             mAuthStatusText = R.string.auth_bad_oc_version_title;
1175             break;
1176         case WRONG_CONNECTION:
1177             mAuthStatusText = R.string.auth_wrong_connection_title;
1178             break;
1179         case TIMEOUT:
1180             mAuthStatusText = R.string.auth_timeout_title;
1181             break;
1182         case INCORRECT_ADDRESS:
1183             mAuthStatusText = R.string.auth_incorrect_address_title;
1184             break;
1185         case SSL_ERROR:
1186             mAuthStatusText = R.string.auth_ssl_general_error_title;
1187             break;
1188         case UNAUTHORIZED:
1189             mAuthStatusText = R.string.auth_unauthorized;
1190             break;
1191         case HOST_NOT_AVAILABLE:
1192             mAuthStatusText = R.string.auth_unknown_host_title;
1193             break;
1194         case INSTANCE_NOT_CONFIGURED:
1195             mAuthStatusText = R.string.auth_not_configured_title;
1196             break;
1197         case FILE_NOT_FOUND:
1198             mAuthStatusText = R.string.auth_incorrect_path_title;
1199             break;
1200         case OAUTH2_ERROR:
1201             mAuthStatusText = R.string.auth_oauth_error;
1202             break;
1203         case OAUTH2_ERROR_ACCESS_DENIED:
1204             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1205             break;
1206         case ACCOUNT_NOT_NEW:
1207             mAuthStatusText = R.string.auth_account_not_new;
1208             break;
1209         case ACCOUNT_NOT_THE_SAME:
1210             mAuthStatusText = R.string.auth_account_not_the_same;
1211             break;
1212         case UNHANDLED_HTTP_CODE:
1213         case UNKNOWN_ERROR:
1214             mAuthStatusText = R.string.auth_unknown_error_title;
1215             break;
1216         default:
1217             mAuthStatusText = 0;
1218             mAuthStatusIcon = 0;
1219         }
1220     }
1221
1222
1223     private void updateStatusIconFailUserName(){
1224         mAuthStatusIcon = R.drawable.common_error;
1225         mAuthStatusText = R.string.auth_fail_get_user_name;
1226     }
1227
1228     private void updateServerStatusIconNoRegularAuth(){
1229         mServerStatusIcon = R.drawable.common_error;
1230         mServerStatusText = R.string.auth_can_not_auth_against_server;
1231     }
1232
1233     /**
1234      * Processes the result of the request for and access token send
1235      * to an OAuth authorization server.
1236      *
1237      * @param operation     Operation performed requesting the access token.
1238      * @param result        Result of the operation.
1239      */
1240     private void onGetOAuthAccessTokenFinish(OAuth2GetAccessToken operation, RemoteOperationResult result) {
1241         try {
1242             dismissDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
1243         } catch (IllegalArgumentException e) {
1244             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
1245         }
1246
1247         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
1248         if (result.isSuccess() && webdav_path != null) {
1249             /// be gentle with the user
1250             showDialog(DIALOG_LOGIN_PROGRESS);
1251
1252             /// time to test the retrieved access token on the ownCloud server
1253             mAuthToken = ((OAuth2GetAccessToken)operation).getResultTokenMap().get(OAuth2Constants.KEY_ACCESS_TOKEN);
1254             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1255             mAuthCheckOperation = new ExistenceCheckRemoteOperation("", this, false);
1256             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, true);
1257             client.setBearerCredentials(mAuthToken);
1258             mAuthCheckOperation.execute(client, this, mHandler);
1259
1260         } else {
1261             updateAuthStatusIconAndText(result);
1262             showAuthStatus();
1263             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1264         }
1265     }
1266
1267
1268     /**
1269      * Processes the result of the access check performed to try the user credentials.
1270      *
1271      * Creates a new account through the AccountManager.
1272      *
1273      * @param operation     Access check performed.
1274      * @param result        Result of the operation.
1275      */
1276     private void onAuthorizationCheckFinish(ExistenceCheckRemoteOperation operation, RemoteOperationResult result) {
1277         try {
1278             dismissDialog(DIALOG_LOGIN_PROGRESS);
1279         } catch (IllegalArgumentException e) {
1280             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
1281         }
1282
1283         if (result.isSuccess()) {
1284             Log_OC.d(TAG, "Successful access - time to save the account");
1285
1286             boolean success = false;
1287             if (mAction == ACTION_CREATE) {
1288                 success = createAccount();
1289
1290             } else {
1291                 updateToken();
1292                 success = true;
1293             }
1294
1295             if (success) {
1296                 finish();
1297             }
1298
1299         } else if (result.isServerFail() || result.isException()) {
1300             /// if server fail or exception in authorization, the UI is updated as when a server check failed
1301             mServerIsChecked = true;
1302             mServerIsValid = false;
1303             mIsSslConn = false;
1304             mOcServerChkOperation = null;
1305             mDiscoveredVersion = null;
1306             mHostBaseUrl = normalizeUrl(mHostUrlInput.getText().toString());
1307
1308             // update status icon and text
1309             updateServerStatusIconAndText(result);
1310             showServerStatus();
1311             mAuthStatusIcon = 0;
1312             mAuthStatusText = 0;
1313             showAuthStatus();
1314
1315             // update input controls state
1316             showRefreshButton();
1317             mOkButton.setEnabled(false);
1318
1319             // very special case (TODO: move to a common place for all the remote operations) (dangerous here?)
1320             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1321                 showUntrustedCertDialog(result);
1322             }
1323
1324         } else {    // authorization fail due to client side - probably wrong credentials
1325             updateAuthStatusIconAndText(result);
1326             showAuthStatus();
1327             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1328         }
1329     }
1330
1331
1332
1333
1334     /**
1335      * Sets the proper response to get that the Account Authenticator that started this activity saves
1336      * a new authorization token for mAccount.
1337      */
1338     private void updateToken() {
1339         Bundle response = new Bundle();
1340         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1341         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1342
1343         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1344             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1345             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1346             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1347
1348         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1349
1350             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1351             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1352             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1353
1354         } else {
1355             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1356             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1357         }
1358         setAccountAuthenticatorResult(response);
1359
1360     }
1361
1362
1363     /**
1364      * Creates a new account through the Account Authenticator that started this activity.
1365      *
1366      * This makes the account permanent.
1367      *
1368      * TODO Decide how to name the OAuth accounts
1369      */
1370     private boolean createAccount() {
1371         /// create and save new ownCloud account
1372         boolean isOAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1373         boolean isSaml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1374
1375         Uri uri = Uri.parse(mHostBaseUrl);
1376         String username = mUsernameInput.getText().toString().trim();
1377         if (isOAuth) {
1378             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1379         }
1380         String accountName = username + "@" + uri.getHost();
1381         if (uri.getPort() >= 0) {
1382             accountName += ":" + uri.getPort();
1383         }
1384         mAccount = new Account(accountName, MainApp.getAccountType());
1385         if (AccountUtils.exists(mAccount, getApplicationContext())) {
1386             // fail - not a new account, but an existing one; disallow
1387             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1388             updateAuthStatusIconAndText(result);
1389             showAuthStatus();
1390             Log_OC.d(TAG, result.getLogMessage());
1391             return false;
1392
1393         } else {
1394
1395             if (isOAuth || isSaml) {
1396                 mAccountMgr.addAccountExplicitly(mAccount, "", null);  // with external authorizations, the password is never input in the app
1397             } else {
1398                 mAccountMgr.addAccountExplicitly(mAccount, mPasswordInput.getText().toString(), null);
1399             }
1400
1401             /// add the new account as default in preferences, if there is none already
1402             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1403             if (defaultAccount == null) {
1404                 SharedPreferences.Editor editor = PreferenceManager
1405                         .getDefaultSharedPreferences(this).edit();
1406                 editor.putString("select_oc_account", accountName);
1407                 editor.commit();
1408             }
1409
1410             /// prepare result to return to the Authenticator
1411             //  TODO check again what the Authenticator makes with it; probably has the same effect as addAccountExplicitly, but it's not well done
1412             final Intent intent = new Intent();
1413             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1414             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1415             /*if (!isOAuth)
1416                 intent.putExtra(AccountManager.KEY_AUTHTOKEN,   MainApp.getAccountType()); */
1417             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1418             if (isOAuth || isSaml) {
1419                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1420             }
1421             /// add user data to the new account; TODO probably can be done in the last parameter addAccountExplicitly, or in KEY_USERDATA
1422             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_VERSION,         mDiscoveredVersion.getVersion());
1423             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_VERSION_STRING,  mDiscoveredVersion.getVersionString());
1424             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_BASE_URL,   mHostBaseUrl);
1425
1426             if (isSaml) {
1427                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1428             } else if (isOAuth) {
1429                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1430             }
1431
1432             setAccountAuthenticatorResult(intent.getExtras());
1433             setResult(RESULT_OK, intent);
1434
1435             return true;
1436         }
1437     }
1438
1439
1440     /**
1441      * {@inheritDoc}
1442      *
1443      * Necessary to update the contents of the SSL Dialog
1444      *
1445      * TODO move to some common place for all possible untrusted SSL failures
1446      */
1447     @Override
1448     protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
1449         switch (id) {
1450         case DIALOG_LOGIN_PROGRESS:
1451         case DIALOG_CERT_NOT_SAVED:
1452         case DIALOG_OAUTH2_LOGIN_PROGRESS:
1453             break;
1454         default:
1455             Log_OC.e(TAG, "Incorrect dialog called with id = " + id);
1456         }
1457     }
1458
1459
1460     /**
1461      * {@inheritDoc}
1462      */
1463     @Override
1464     protected Dialog onCreateDialog(int id) {
1465         Dialog dialog = null;
1466         switch (id) {
1467         case DIALOG_LOGIN_PROGRESS: {
1468             /// simple progress dialog
1469             ProgressDialog working_dialog = new ProgressDialog(this);
1470             working_dialog.setMessage(getResources().getString(R.string.auth_trying_to_login));
1471             working_dialog.setIndeterminate(true);
1472             working_dialog.setCancelable(true);
1473             working_dialog
1474             .setOnCancelListener(new DialogInterface.OnCancelListener() {
1475                 @Override
1476                 public void onCancel(DialogInterface dialog) {
1477                     /// TODO study if this is enough
1478                     Log_OC.i(TAG, "Login canceled");
1479                     if (mOperationThread != null) {
1480                         mOperationThread.interrupt();
1481                         finish();
1482                     }
1483                 }
1484             });
1485             dialog = working_dialog;
1486             break;
1487         }
1488         case DIALOG_OAUTH2_LOGIN_PROGRESS: {
1489             ProgressDialog working_dialog = new ProgressDialog(this);
1490             working_dialog.setMessage(String.format("Getting authorization"));
1491             working_dialog.setIndeterminate(true);
1492             working_dialog.setCancelable(true);
1493             working_dialog
1494             .setOnCancelListener(new DialogInterface.OnCancelListener() {
1495                 @Override
1496                 public void onCancel(DialogInterface dialog) {
1497                     Log_OC.i(TAG, "Login canceled");
1498                     finish();
1499                 }
1500             });
1501             dialog = working_dialog;
1502             break;
1503         }
1504         case DIALOG_CERT_NOT_SAVED: {
1505             AlertDialog.Builder builder = new AlertDialog.Builder(this);
1506             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
1507             builder.setCancelable(false);
1508             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
1509                 @Override
1510                 public void onClick(DialogInterface dialog, int which) {
1511                     dialog.dismiss();
1512                 };
1513             });
1514             dialog = builder.create();
1515             break;
1516         }
1517         default:
1518             Log_OC.e(TAG, "Incorrect dialog called with id = " + id);
1519         }
1520         return dialog;
1521     }
1522
1523
1524     /**
1525      * Starts and activity to open the 'new account' page in the ownCloud web site
1526      *
1527      * @param view      'Account register' button
1528      */
1529     public void onRegisterClick(View view) {
1530         Intent register = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url)));
1531         setResult(RESULT_CANCELED);
1532         startActivity(register);
1533     }
1534
1535
1536     /**
1537      * Updates the content and visibility state of the icon and text associated
1538      * to the last check on the ownCloud server.
1539      */
1540     private void showServerStatus() {
1541         TextView tv = (TextView) findViewById(R.id.server_status_text);
1542
1543         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1544             tv.setVisibility(View.INVISIBLE);
1545
1546         } else {
1547             tv.setText(mServerStatusText);
1548             tv.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1549             tv.setVisibility(View.VISIBLE);
1550         }
1551
1552     }
1553
1554
1555     /**
1556      * Updates the content and visibility state of the icon and text associated
1557      * to the interactions with the OAuth authorization server.
1558      */
1559     private void showAuthStatus() {
1560         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1561             mAuthStatusLayout.setVisibility(View.INVISIBLE);
1562
1563         } else {
1564             mAuthStatusLayout.setText(mAuthStatusText);
1565             mAuthStatusLayout.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1566             mAuthStatusLayout.setVisibility(View.VISIBLE);
1567         }
1568     }
1569
1570
1571     private void showRefreshButton() {
1572         mRefreshButton.setVisibility(View.VISIBLE);
1573     }
1574
1575     private void hideRefreshButton() {
1576         mRefreshButton.setVisibility(View.GONE);
1577     }
1578
1579     /**
1580      * Called when the refresh button in the input field for ownCloud host is clicked.
1581      *
1582      * Performs a new check on the URL in the input field.
1583      *
1584      * @param view      Refresh 'button'
1585      */
1586     public void onRefreshClick(View view) {
1587         checkOcServer();
1588     }
1589
1590
1591     /**
1592      * Called when the eye icon in the password field is clicked.
1593      *
1594      * Toggles the visibility of the password in the field.
1595      */
1596     public void onViewPasswordClick() {
1597         int selectionStart = mPasswordInput.getSelectionStart();
1598         int selectionEnd = mPasswordInput.getSelectionEnd();
1599         if (isPasswordVisible()) {
1600             hidePassword();
1601         } else {
1602             showPassword();
1603         }
1604         mPasswordInput.setSelection(selectionStart, selectionEnd);
1605     }
1606
1607
1608     /**
1609      * Called when the checkbox for OAuth authorization is clicked.
1610      *
1611      * Hides or shows the input fields for user & password.
1612      *
1613      * @param view      'View password' 'button'
1614      */
1615     public void onCheckClick(View view) {
1616         CheckBox oAuth2Check = (CheckBox)view;
1617         if (oAuth2Check.isChecked()) {
1618             mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1619         } else {
1620             mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1621         }
1622         adaptViewAccordingToAuthenticationMethod();
1623     }
1624
1625
1626     /**
1627      * Changes the visibility of input elements depending on
1628      * the current authorization method.
1629      */
1630     private void adaptViewAccordingToAuthenticationMethod () {
1631         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1632             // OAuth 2 authorization
1633             mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
1634             mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
1635             mUsernameInput.setVisibility(View.GONE);
1636             mPasswordInput.setVisibility(View.GONE);
1637
1638         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1639             // SAML-based web Single Sign On
1640             mOAuthAuthEndpointText.setVisibility(View.GONE);
1641             mOAuthTokenEndpointText.setVisibility(View.GONE);
1642             mUsernameInput.setVisibility(View.GONE);
1643             mPasswordInput.setVisibility(View.GONE);
1644         } else {
1645             // basic HTTP authorization
1646             mOAuthAuthEndpointText.setVisibility(View.GONE);
1647             mOAuthTokenEndpointText.setVisibility(View.GONE);
1648             mUsernameInput.setVisibility(View.VISIBLE);
1649             mPasswordInput.setVisibility(View.VISIBLE);
1650         }
1651     }
1652
1653     /**
1654      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1655      *
1656      *  Used to trigger the authentication check when the user presses 'enter' after writing the password,
1657      *  or to throw the server test when the only field on screen is the URL input field.
1658      */
1659     @Override
1660     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1661         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null && inputField.equals(mPasswordInput)) {
1662             if (mOkButton.isEnabled()) {
1663                 mOkButton.performClick();
1664             }
1665
1666         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null && inputField.equals(mHostUrlInput)) {
1667             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1668                 checkOcServer();
1669             }
1670         }
1671         return false;   // always return false to grant that the software keyboard is hidden anyway
1672     }
1673
1674
1675     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1676
1677         private int fuzz = 75;
1678
1679         /**
1680          * {@inheritDoc}
1681          */
1682         @Override
1683         public boolean onTouch(View view, MotionEvent event) {
1684             Drawable rightDrawable = null;
1685             if (view instanceof TextView) {
1686                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1687                 if (drawables.length > 2) {
1688                     rightDrawable = drawables[2];
1689                 }
1690             }
1691             if (rightDrawable != null) {
1692                 final int x = (int) event.getX();
1693                 final int y = (int) event.getY();
1694                 final Rect bounds = rightDrawable.getBounds();
1695                 if (x >= (view.getRight() - bounds.width() - fuzz) && x <= (view.getRight() - view.getPaddingRight() + fuzz)
1696                         && y >= (view.getPaddingTop() - fuzz) && y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1697
1698                     return onDrawableTouch(event);
1699                 }
1700             }
1701             return false;
1702         }
1703
1704         public abstract boolean onDrawableTouch(final MotionEvent event);
1705     }
1706
1707
1708     public void onSamlDialogSuccess(String sessionCookie) {
1709         mAuthToken = sessionCookie;
1710
1711         if (sessionCookie != null && sessionCookie.length() > 0) {
1712             mAuthToken = sessionCookie;
1713
1714             GetRemoteUserNameOperation getUserOperation = new GetRemoteUserNameOperation();
1715             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl), getApplicationContext(), true);
1716             client.setSsoSessionCookie(mAuthToken);
1717             getUserOperation.execute(client, this, mHandler);
1718         }
1719
1720
1721     }
1722
1723
1724     @Override
1725     public void onSsoFinished(String sessionCookies) {
1726         //Toast.makeText(this, "got cookies: " + sessionCookie, Toast.LENGTH_LONG).show();
1727
1728         if (sessionCookies != null && sessionCookies.length() > 0) {
1729             Log_OC.d(TAG, "Successful SSO - time to save the account");
1730             onSamlDialogSuccess(sessionCookies);
1731             Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1732             if (fd != null && fd instanceof SherlockDialogFragment) {
1733                 Dialog d = ((SherlockDialogFragment)fd).getDialog();
1734                 if (d != null && d.isShowing()) {
1735                     d.dismiss();
1736                 }
1737             }
1738
1739         } else {
1740             // TODO - show fail
1741             Log_OC.d(TAG, "SSO failed");
1742         }
1743
1744     }
1745
1746     /** Show auth_message
1747      *
1748      * @param message
1749      */
1750     private void showAuthMessage(String message) {
1751         mAuthMessage.setVisibility(View.VISIBLE);
1752         mAuthMessage.setText(message);
1753     }
1754
1755     private void hideAuthMessage() {
1756         mAuthMessage.setVisibility(View.GONE);
1757     }
1758
1759     @Override
1760     public boolean onTouchEvent(MotionEvent event) {
1761         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
1762                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1763             checkOcServer();
1764         }
1765         return super.onTouchEvent(event);
1766     }
1767
1768
1769     /**
1770      * Show untrusted cert dialog
1771      */
1772     public void showUntrustedCertDialog(X509Certificate x509Certificate, SslError error, SslErrorHandler handler) {
1773         // Show a dialog with the certificate info
1774         SslUntrustedCertDialog dialog = null;
1775         if (x509Certificate == null) {
1776             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
1777         } else {
1778             dialog = SslUntrustedCertDialog.newInstanceForFullSslError(x509Certificate, error, handler);
1779         }
1780         FragmentManager fm = getSupportFragmentManager();
1781         FragmentTransaction ft = fm.beginTransaction();
1782         ft.addToBackStack(null);
1783         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1784     }
1785
1786     /**
1787      * Show untrusted cert dialog
1788      */
1789     public void showUntrustedCertDialog(RemoteOperationResult result) {
1790         // Show a dialog with the certificate info
1791         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1792         FragmentManager fm = getSupportFragmentManager();
1793         FragmentTransaction ft = fm.beginTransaction();
1794         ft.addToBackStack(null);
1795         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1796
1797     }
1798
1799     /**
1800      * Dismiss untrusted cert dialog
1801      */
1802     public void dismissUntrustedCertDialog(){
1803         /*Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_UNTRUSTED_CERT);
1804         if (frag != null) {
1805             SslErrorViewAdapter dialog = (SslErrorViewAdapter) frag;
1806             dialog.dismiss();
1807         }
1808          */
1809     }
1810
1811     /**
1812      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1813      */
1814     public void onSavedCertificate() {
1815         Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1816         if (fd == null) {
1817             // if SAML dialog is not shown, the SslDialog was shown due to an SSL error in the server check
1818             checkOcServer();
1819         }
1820     }
1821
1822     /**
1823      * Called from SslValidatorDialog when a new server certificate could not be saved
1824      * when the user requested it.
1825      */
1826     @Override
1827     public void onFailedSavingCertificate() {
1828         showDialog(DIALOG_CERT_NOT_SAVED);
1829         cancelWebView();
1830     }
1831
1832     @Override
1833     public void onCancelCertificate() {
1834         cancelWebView();
1835     }
1836
1837
1838     public void cancelWebView() {
1839         Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1840         if (fd != null && fd instanceof SherlockDialogFragment) {
1841             Dialog d = ((SherlockDialogFragment)fd).getDialog();
1842             if (d != null && d.isShowing()) {
1843                 d.dismiss();
1844             }
1845         }
1846
1847     }
1848
1849     /**
1850      * Implements callback methods for service binding. Passed as a parameter to {
1851      */
1852     private class OperationsServiceConnection implements ServiceConnection {
1853
1854         @Override
1855         public void onServiceConnected(ComponentName component, IBinder service) {
1856             if (component.equals(new ComponentName(AuthenticatorActivity.this, OperationsService.class))) {
1857                 Log_OC.d(TAG, "Operations service connected");
1858                 mOperationsServiceBinder = (OperationsServiceBinder) service;
1859                 mOperationsServiceBinder.addOperationListener(AuthenticatorActivity.this, mHandler);
1860             } else {
1861                 return;
1862             }
1863
1864         }
1865
1866         @Override
1867         public void onServiceDisconnected(ComponentName component) {
1868             if (component.equals(new ComponentName(AuthenticatorActivity.this, OperationsService.class))) {
1869                 Log_OC.d(TAG, "Operations service disconnected");
1870                 mOperationsServiceBinder = null;
1871                 // TODO whatever could be waiting for the service is unbound
1872             }
1873         }
1874
1875     }
1876 }