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