src/com/owncloud/android/authentication/AuthenticatorActivity.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012  Bartek Przybylski
   3  *   Copyright (C) 2012-2014 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 import java.util.Map;
  23
  24 import android.accounts.Account;
  25 import android.accounts.AccountManager;
  26 import android.app.Dialog;
  27 import android.content.ComponentName;
  28 import android.content.Context;
  29 import android.content.Intent;
  30 import android.content.ServiceConnection;
  31 import android.content.SharedPreferences;
  32 import android.graphics.Rect;
  33 import android.graphics.drawable.Drawable;
  34 import android.net.Uri;
  35 import android.net.http.SslError;
  36 import android.os.Bundle;
  37 import android.os.Handler;
  38 import android.os.IBinder;
  39 import android.preference.PreferenceManager;
  40 import android.support.v4.app.Fragment;
  41 import android.support.v4.app.FragmentManager;
  42 import android.support.v4.app.FragmentTransaction;
  43 import android.text.Editable;
  44 import android.text.InputType;
  45 import android.text.TextWatcher;
  46 import android.util.Log;
  47 import android.view.KeyEvent;
  48 import android.view.MotionEvent;
  49 import android.view.View;
  50 import android.view.View.OnFocusChangeListener;
  51 import android.view.View.OnTouchListener;
  52 import android.view.Window;
  53 import android.view.inputmethod.EditorInfo;
  54 import android.webkit.SslErrorHandler;
  55 import android.widget.Button;
  56 import android.widget.CheckBox;
  57 import android.widget.EditText;
  58 import android.widget.TextView;
  59 import android.widget.TextView.OnEditorActionListener;
  60 import android.widget.Toast;
  61
  62 import com.actionbarsherlock.app.SherlockDialogFragment;
  63 import com.owncloud.android.MainApp;
  64 import com.owncloud.android.R;
  65 import com.owncloud.android.authentication.SsoWebViewClient.SsoWebViewClientListener;
  66 import com.owncloud.android.lib.common.accounts.AccountTypeUtils;
  67 import com.owncloud.android.lib.common.accounts.AccountUtils.Constants;
  68 import com.owncloud.android.operations.DetectAuthenticationMethodOperation.AuthenticationMethod;
  69 import com.owncloud.android.operations.GetServerInfoOperation;
  70 import com.owncloud.android.operations.OAuth2GetAccessToken;
  71
  72 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  73 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  74 import com.owncloud.android.lib.common.operations.RemoteOperation;
  75 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  76 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  77 import com.owncloud.android.lib.resources.files.ExistenceCheckRemoteOperation;
  78 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  79
  80 import com.owncloud.android.services.OperationsService;
  81 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  82 import com.owncloud.android.ui.dialog.IndeterminateProgressDialog;
  83 import com.owncloud.android.ui.dialog.SamlWebViewDialog;
  84 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  85 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  86 import com.owncloud.android.utils.Log_OC;
  87 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  88
  89 /**
  90  * This Activity is used to add an ownCloud account to the App
  91  *
  92  * @author Bartek Przybylski
  93  * @author David A. Velasco
  94  * @author masensio
  95  */
  96 public class AuthenticatorActivity extends AccountAuthenticatorActivity
  97 implements  OnRemoteOperationListener, OnFocusChangeListener, OnEditorActionListener,
  98 SsoWebViewClientListener, OnSslUntrustedCertListener {
  99
 100     private static final String TAG = AuthenticatorActivity.class.getSimpleName();
 101
 102     public static final String EXTRA_ACTION = "ACTION";
 103     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 104
 105     private static final String KEY_AUTH_TOKEN_TYPE = "AUTH_TOKEN_TYPE";
 106
 107     private static final String KEY_HOST_URL_TEXT = "HOST_URL_TEXT";
 108     private static final String KEY_OC_VERSION = "OC_VERSION";
 109     private static final String KEY_SERVER_VALID = "SERVER_VALID";
 110     private static final String KEY_SERVER_CHECKED = "SERVER_CHECKED";
 111     private static final String KEY_SERVER_STATUS_TEXT = "SERVER_STATUS_TEXT";
 112     private static final String KEY_SERVER_STATUS_ICON = "SERVER_STATUS_ICON";
 113     private static final String KEY_IS_SSL_CONN = "IS_SSL_CONN";
 114     private static final String KEY_PASSWORD_EXPOSED = "PASSWORD_VISIBLE";
 115     private static final String KEY_AUTH_STATUS_TEXT = "AUTH_STATUS_TEXT";
 116     private static final String KEY_AUTH_STATUS_ICON = "AUTH_STATUS_ICON";
 117     private static final String KEY_SERVER_AUTH_METHOD = "SERVER_AUTH_METHOD";
 118     private static final String KEY_WAITING_FOR_OP_ID = "DETECT_AUTH_OP_ID";
 119     private static final String KEY_AUTH_TOKEN = "AUTH_TOKEN";
 120
 121     private static final String AUTH_ON = "on";
 122     private static final String AUTH_OPTIONAL = "optional";
 123
 124     public static final byte ACTION_CREATE = 0;
 125     public static final byte ACTION_UPDATE_TOKEN = 1;               // requested by the user
 126     public static final byte ACTION_UPDATE_EXPIRED_TOKEN = 2;       // detected by the app
 127
 128     private static final String UNTRUSTED_CERT_DIALOG_TAG = "UNTRUSTED_CERT_DIALOG";
 129     private static final String SAML_DIALOG_TAG = "SAML_DIALOG";
 130     private static final String WAIT_DIALOG_TAG = "WAIT_DIALOG";
 131
 132
 133     /// parameters from EXTRAs in starter Intent
 134     private byte mAction;
 135     private Account mAccount;
 136     private String mAuthTokenType;
 137
 138
 139     /// activity-level references / state
 140     private final Handler mHandler = new Handler();
 141     private ServiceConnection mOperationsServiceConnection = null;
 142     private OperationsServiceBinder mOperationsServiceBinder = null;
 143     private AccountManager mAccountMgr;
 144     private Uri mNewCapturedUriFromOAuth2Redirection;
 145
 146
 147     /// Server PRE-Fragment elements
 148     private EditText mHostUrlInput;
 149     private View mRefreshButton;
 150     private TextView mServerStatusView;
 151
 152     private TextWatcher mHostUrlInputWatcher;
 153     private int mServerStatusText = 0, mServerStatusIcon = 0;
 154
 155     private boolean mServerIsChecked = false;
 156     private boolean mServerIsValid = false;
 157
 158     private GetServerInfoOperation.ServerInfo mServerInfo =
 159             new GetServerInfoOperation.ServerInfo();
 160
 161
 162     /// Authentication PRE-Fragment elements
 163     private CheckBox mOAuth2Check;
 164     private TextView mOAuthAuthEndpointText;
 165     private TextView mOAuthTokenEndpointText;
 166     private EditText mUsernameInput;
 167     private EditText mPasswordInput;
 168     private View mOkButton;
 169     private TextView mAuthStatusView;
 170
 171     private int mAuthStatusText = 0, mAuthStatusIcon = 0;
 172
 173     private String mAuthToken = "";
 174
 175
 176     /// Identifier of operation in progress which result shouldn't be lost
 177     private long mWaitingForOpId = Long.MAX_VALUE;
 178
 179
 180     /**
 181      * {@inheritDoc}
 182      *
 183      * IMPORTANT ENTRY POINT 1: activity is shown to the user
 184      */
 185     @Override
 186     protected void onCreate(Bundle savedInstanceState) {
 187         Log_OC.wtf(TAG,  "onCreate init");
 188         super.onCreate(savedInstanceState);
 189         getWindow().requestFeature(Window.FEATURE_NO_TITLE);
 190
 191         // bind to Operations Service
 192         mOperationsServiceConnection = new OperationsServiceConnection();
 193         if (!bindService(new Intent(this, OperationsService.class),
 194                 mOperationsServiceConnection,
 195                 Context.BIND_AUTO_CREATE)) {
 196             Toast.makeText(this,
 197                     R.string.error_cant_bind_to_operations_service,
 198                     Toast.LENGTH_LONG)
 199                         .show();
 200             finish();
 201         }
 202
 203         /// init activity state
 204         mAccountMgr = AccountManager.get(this);
 205         mNewCapturedUriFromOAuth2Redirection = null;
 206
 207         /// get input values
 208         mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE);
 209         mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 210         if (savedInstanceState == null) {
 211             initAuthTokenType();
 212         } else {
 213             mAuthTokenType = savedInstanceState.getString(KEY_AUTH_TOKEN_TYPE);
 214             mWaitingForOpId = savedInstanceState.getLong(KEY_WAITING_FOR_OP_ID);
 215         }
 216
 217         /// load user interface
 218         setContentView(R.layout.account_setup);
 219
 220         /// initialize general UI elements
 221         initOverallUi(savedInstanceState);
 222
 223         /// initialize block to be moved to single Fragment to check server and get info about it
 224         initServerPreFragment(savedInstanceState);
 225
 226         /// initialize block to be moved to single Fragment to retrieve and validate credentials
 227         initAuthorizationPreFragment(savedInstanceState);
 228
 229         Log_OC.wtf(TAG,  "onCreate end");
 230     }
 231
 232     private void initAuthTokenType() {
 233         mAuthTokenType =
 234                 getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 235         if (mAuthTokenType == null) {
 236             if (mAccount != null) {
 237                 boolean oAuthRequired =
 238                     (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2) != null);
 239                 boolean samlWebSsoRequired =
 240                     (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO) != null);
 241                 mAuthTokenType = chooseAuthTokenType(oAuthRequired, samlWebSsoRequired);
 242
 243             } else {
 244                 boolean oAuthSupported = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
 245                 boolean samlWebSsoSupported = AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));
 246                 mAuthTokenType = chooseAuthTokenType(oAuthSupported, samlWebSsoSupported);
 247             }
 248         }
 249     }
 250
 251     private String chooseAuthTokenType(boolean oauth, boolean saml) {
 252         if (saml) {
 253             return AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 254         } else if (oauth) {
 255              return AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
 256         } else {
 257             return AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 258         }
 259     }
 260
 261
 262     /**
 263      * Configures elements in the user interface under direct control of the Activity.
 264      *
 265      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 266      */
 267     private void initOverallUi(Bundle savedInstanceState) {
 268
 269         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 270         boolean isWelcomeLinkVisible = getResources().getBoolean(R.bool.show_welcome_link);
 271
 272         String instructionsMessageText = null;
 273         if (mAction == ACTION_UPDATE_EXPIRED_TOKEN) {
 274             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType())
 275                     .equals(mAuthTokenType)) {
 276                 instructionsMessageText = getString(R.string.auth_expired_oauth_token_toast);
 277
 278             } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType())
 279                     .equals(mAuthTokenType)) {
 280                 instructionsMessageText = getString(R.string.auth_expired_saml_sso_token_toast);
 281
 282             } else {
 283                 instructionsMessageText = getString(R.string.auth_expired_basic_auth_toast);
 284             }
 285         }
 286
 287         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 288         Button welcomeLink = (Button) findViewById(R.id.welcome_link);
 289         welcomeLink.setVisibility(isWelcomeLinkVisible ? View.VISIBLE : View.GONE);
 290         welcomeLink.setText(
 291                 String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 292
 293         TextView instructionsView = (TextView) findViewById(R.id.instructions_message);
 294         if (instructionsMessageText != null) {
 295             instructionsView.setVisibility(View.VISIBLE);
 296             instructionsView.setText(instructionsMessageText);
 297         } else {
 298             instructionsView.setVisibility(View.GONE);
 299         }
 300     }
 301
 302
 303     /**
 304      *
 305      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 306      */
 307     private void initServerPreFragment(Bundle savedInstanceState) {
 308
 309         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 310         boolean isUrlInputAllowed = getResources().getBoolean(R.bool.show_server_url_input);
 311         //boolean refreshButtonEnabled = false;
 312         if (savedInstanceState == null) {
 313             if (mAccount != null) {
 314                 mServerInfo.mBaseUrl = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_BASE_URL);
 315                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");   // TODO do this in a setter for mBaseUrl
 316                 String ocVersion = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION);
 317                 if (ocVersion != null) {
 318                     mServerInfo.mVersion = new OwnCloudVersion(ocVersion);
 319                 }
 320             } else {
 321                 mServerInfo.mBaseUrl = getString(R.string.server_url).trim();
 322                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");
 323             }
 324         } else {
 325             //refreshButtonEnabled = savedInstanceState.getBoolean(KEY_REFRESH_BUTTON_ENABLED);
 326             mServerStatusText = savedInstanceState.getInt(KEY_SERVER_STATUS_TEXT);
 327             mServerStatusIcon = savedInstanceState.getInt(KEY_SERVER_STATUS_ICON);
 328
 329             mServerIsValid = savedInstanceState.getBoolean(KEY_SERVER_VALID);
 330             mServerIsChecked = savedInstanceState.getBoolean(KEY_SERVER_CHECKED);
 331
 332             // TODO parcelable
 333             mServerInfo.mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 334             mServerInfo.mBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 335             String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 336             if (ocVersion != null) {
 337                 mServerInfo.mVersion = new OwnCloudVersion(ocVersion);
 338             }
 339             mServerInfo.mAuthMethod = AuthenticationMethod.valueOf(
 340                     savedInstanceState.getString(KEY_SERVER_AUTH_METHOD));
 341
 342         }
 343
 344         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 345         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 346         mHostUrlInput.setText(mServerInfo.mBaseUrl);
 347         if (mAction != ACTION_CREATE) {
 348             /// lock things that should not change
 349             mHostUrlInput.setEnabled(false);
 350             mHostUrlInput.setFocusable(false);
 351         }
 352         if (isUrlInputAllowed) {
 353             mRefreshButton = findViewById(R.id.embeddedRefreshButton);
 354         } else {
 355             findViewById(R.id.hostUrlFrame).setVisibility(View.GONE);
 356             mRefreshButton = findViewById(R.id.centeredRefreshButton);
 357         }
 358         showRefreshButton(mServerIsChecked && !mServerIsValid &&
 359                 mWaitingForOpId > Integer.MAX_VALUE);
 360         mServerStatusView = (TextView) findViewById(R.id.server_status_text);
 361         showServerStatus();
 362
 363         /// step 3 - bind some listeners and options
 364         mHostUrlInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 365         mHostUrlInput.setOnEditorActionListener(this);
 366
 367         /// step 4 - create listeners that will be bound at onResume
 368         mHostUrlInputWatcher = new TextWatcher() {
 369
 370             @Override
 371             public void afterTextChanged(Editable s) {
 372                 if (mOkButton.isEnabled() &&
 373                         !mServerInfo.mBaseUrl.equals(
 374                                 normalizeUrl(s.toString(), mServerInfo.mIsSslConn))) {
 375                     mOkButton.setEnabled(false);
 376                 }
 377             }
 378
 379             @Override
 380             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 381             }
 382
 383             @Override
 384             public void onTextChanged(CharSequence s, int start, int before, int count) {
 385                 if (mAuthStatusIcon != 0) {
 386                     Log_OC.d(TAG, "onTextChanged: hiding authentication status");
 387                     mAuthStatusIcon = 0;
 388                     mAuthStatusText = 0;
 389                     showAuthStatus();
 390                 }
 391             }
 392         };
 393
 394
 395         // TODO find out if this is really necessary, or if it can done in a different way
 396         findViewById(R.id.scroll).setOnTouchListener(new OnTouchListener() {
 397             @Override
 398             public boolean onTouch(View view, MotionEvent event) {
 399                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 400                     if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
 401                             mHostUrlInput.hasFocus()) {
 402                         checkOcServer();
 403                     }
 404                 }
 405                 return false;
 406             }
 407         });
 408
 409
 410         /// step 4 - automatic actions to start
 411         if (savedInstanceState == null) {
 412             if (mAction != ACTION_CREATE || !isUrlInputAllowed) {
 413                 checkOcServer();
 414             }
 415         }
 416     }
 417
 418
 419     /**
 420      *
 421      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 422      */
 423     private void initAuthorizationPreFragment(Bundle savedInstanceState) {
 424
 425         /// step 0 - get UI elements in layout
 426         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 427         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 428         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 429         mUsernameInput = (EditText) findViewById(R.id.account_username);
 430         mPasswordInput = (EditText) findViewById(R.id.account_password);
 431         mAuthStatusView = (TextView) findViewById(R.id.auth_status_text);
 432         mOkButton = findViewById(R.id.buttonOK);
 433
 434         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 435         String presetUserName = null;
 436         boolean isPasswordExposed = false;
 437         if (savedInstanceState == null) {
 438             if (mAccount != null) {
 439                 presetUserName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 440             }
 441
 442         } else {
 443             isPasswordExposed = savedInstanceState.getBoolean(KEY_PASSWORD_EXPOSED, false);
 444             mAuthStatusText = savedInstanceState.getInt(KEY_AUTH_STATUS_TEXT);
 445             mAuthStatusIcon = savedInstanceState.getInt(KEY_AUTH_STATUS_ICON);
 446             mAuthToken = savedInstanceState.getString(KEY_AUTH_TOKEN);
 447         }
 448
 449         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 450         mOAuth2Check.setChecked(
 451                 AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType())
 452                     .equals(mAuthTokenType));
 453         if (presetUserName != null) {
 454             mUsernameInput.setText(presetUserName);
 455         }
 456         if (mAction != ACTION_CREATE) {
 457             mUsernameInput.setEnabled(false);
 458             mUsernameInput.setFocusable(false);
 459         }
 460         mPasswordInput.setText(""); // clean password to avoid social hacking
 461         if (isPasswordExposed) {
 462             showPassword();
 463         }
 464         updateAuthenticationPreFragmentVisibility();
 465         showAuthStatus();
 466         mOkButton.setEnabled(mServerIsValid);
 467
 468
 469         /// step 3 - bind listeners
 470         // bindings for password input field
 471         mPasswordInput.setOnFocusChangeListener(this);
 472         mPasswordInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
 473         mPasswordInput.setOnEditorActionListener(this);
 474         mPasswordInput.setOnTouchListener(new RightDrawableOnTouchListener() {
 475             @Override
 476             public boolean onDrawableTouch(final MotionEvent event) {
 477                 if (event.getAction() == MotionEvent.ACTION_UP) {
 478                     AuthenticatorActivity.this.onViewPasswordClick();
 479                 }
 480                 return true;
 481             }
 482         });
 483
 484     }
 485
 486
 487     /**
 488      * Changes the visibility of input elements depending on
 489      * the current authorization method.
 490      */
 491     private void updateAuthenticationPreFragmentVisibility () {
 492         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 493                 equals(mAuthTokenType)) {
 494             // SAML-based web Single Sign On
 495             mOAuth2Check.setVisibility(View.GONE);
 496             mOAuthAuthEndpointText.setVisibility(View.GONE);
 497             mOAuthTokenEndpointText.setVisibility(View.GONE);
 498             mUsernameInput.setVisibility(View.GONE);
 499             mPasswordInput.setVisibility(View.GONE);
 500
 501         } else {
 502             if (mAction == ACTION_CREATE &&
 503                     AUTH_OPTIONAL.equals(getString(R.string.auth_method_oauth2))) {
 504                 mOAuth2Check.setVisibility(View.VISIBLE);
 505             } else {
 506                 mOAuth2Check.setVisibility(View.GONE);
 507             }
 508
 509             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
 510                     equals(mAuthTokenType)) {
 511                 // OAuth 2 authorization
 512
 513                 mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
 514                 mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
 515                 mUsernameInput.setVisibility(View.GONE);
 516                 mPasswordInput.setVisibility(View.GONE);
 517
 518             } else {
 519                 // basic HTTP authorization
 520                 mOAuthAuthEndpointText.setVisibility(View.GONE);
 521                 mOAuthTokenEndpointText.setVisibility(View.GONE);
 522                 mUsernameInput.setVisibility(View.VISIBLE);
 523                 mPasswordInput.setVisibility(View.VISIBLE);
 524             }
 525         }
 526     }
 527
 528
 529
 530     /**
 531      * Saves relevant state before {@link #onPause()}
 532      *
 533      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag, intended to defer the
 534      * processing of the redirection caught in {@link #onNewIntent(Intent)} until {@link #onResume()}
 535      *
 536      * See {@link #loadSavedInstanceState(Bundle)}
 537      */
 538     @Override
 539     protected void onSaveInstanceState(Bundle outState) {
 540         Log.wtf(TAG, "onSaveInstanceState init" );
 541         super.onSaveInstanceState(outState);
 542
 543         /// global state
 544         outState.putString(KEY_AUTH_TOKEN_TYPE, mAuthTokenType);
 545         outState.putLong(KEY_WAITING_FOR_OP_ID, mWaitingForOpId);
 546
 547         /// Server PRE-fragment state
 548         outState.putInt(KEY_SERVER_STATUS_TEXT, mServerStatusText);
 549         outState.putInt(KEY_SERVER_STATUS_ICON, mServerStatusIcon);
 550         outState.putBoolean(KEY_SERVER_CHECKED, mServerIsChecked);
 551         outState.putBoolean(KEY_SERVER_VALID, mServerIsValid);
 552         outState.putBoolean(KEY_IS_SSL_CONN, mServerInfo.mIsSslConn);
 553         outState.putString(KEY_HOST_URL_TEXT, mServerInfo.mBaseUrl);
 554         if (mServerInfo.mVersion != null) {
 555             outState.putString(KEY_OC_VERSION, mServerInfo.mVersion.getVersion());
 556         }
 557         outState.putString(KEY_SERVER_AUTH_METHOD, mServerInfo.mAuthMethod.name());
 558
 559         /// Authentication PRE-fragment state
 560         outState.putBoolean(KEY_PASSWORD_EXPOSED, isPasswordVisible());
 561         outState.putInt(KEY_AUTH_STATUS_ICON, mAuthStatusIcon);
 562         outState.putInt(KEY_AUTH_STATUS_TEXT, mAuthStatusText);
 563         outState.putString(KEY_AUTH_TOKEN, mAuthToken);
 564
 565         Log.wtf(TAG, "onSaveInstanceState end" );
 566     }
 567
 568
 569     /**
 570      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION request
 571      * is caught here.
 572      *
 573      * To make this possible, this activity needs to be qualified with android:launchMode = "singleTask" in the
 574      * AndroidManifest.xml file.
 575      */
 576     @Override
 577     protected void onNewIntent (Intent intent) {
 578         Log_OC.d(TAG, "onNewIntent()");
 579         Uri data = intent.getData();
 580         if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) {
 581             mNewCapturedUriFromOAuth2Redirection = data;
 582         }
 583     }
 584
 585
 586     /**
 587      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION, and
 588      * deferred in {@link #onNewIntent(Intent)}, is processed here.
 589      */
 590     @Override
 591     protected void onResume() {
 592         Log_OC.wtf(TAG, "onResume init" );
 593         super.onResume();
 594
 595         // bound here to avoid spurious changes triggered by Android on device rotations
 596         mHostUrlInput.setOnFocusChangeListener(this);
 597         mHostUrlInput.addTextChangedListener(mHostUrlInputWatcher);
 598
 599         if (mNewCapturedUriFromOAuth2Redirection != null) {
 600             getOAuth2AccessTokenFromCapturedRedirection();
 601         }
 602
 603         if (mOperationsServiceBinder != null) {
 604             doOnResumeAndBound();
 605         }
 606
 607         Log_OC.wtf(TAG, "onResume end" );
 608     }
 609
 610
 611     @Override
 612     protected void onPause() {
 613         Log.wtf(TAG, "onPause init" );
 614         if (mOperationsServiceBinder != null) {
 615             Log.wtf(TAG, "unregistering to listen for operation callbacks" );
 616             mOperationsServiceBinder.removeOperationListener(this);
 617         }
 618
 619         mHostUrlInput.removeTextChangedListener(mHostUrlInputWatcher);
 620         mHostUrlInput.setOnFocusChangeListener(null);
 621
 622         super.onPause();
 623         Log.wtf(TAG, "onPause end" );
 624     }
 625
 626     @Override
 627     protected void onDestroy() {
 628
 629         mHostUrlInputWatcher = null;
 630
 631         if (mOperationsServiceConnection != null) {
 632             unbindService(mOperationsServiceConnection);
 633             mOperationsServiceBinder = null;
 634         }
 635         super.onDestroy();
 636     }
 637
 638
 639     /**
 640      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 641      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 642      */
 643     private void getOAuth2AccessTokenFromCapturedRedirection() {
 644         /// Parse data from OAuth redirection
 645         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 646         mNewCapturedUriFromOAuth2Redirection = null;
 647
 648         /// Showing the dialog with instructions for the user.
 649         IndeterminateProgressDialog dialog =
 650                 IndeterminateProgressDialog.newInstance(R.string.auth_getting_authorization, true);
 651         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 652
 653         /// GET ACCESS TOKEN to the oAuth server
 654         Intent getServerInfoIntent = new Intent();
 655         getServerInfoIntent.setAction(OperationsService.ACTION_OAUTH2_GET_ACCESS_TOKEN);
 656
 657         getServerInfoIntent.putExtra(
 658                 OperationsService.EXTRA_SERVER_URL,
 659                 mOAuthTokenEndpointText.getText().toString().trim());
 660
 661         getServerInfoIntent.putExtra(
 662                 OperationsService.EXTRA_OAUTH2_QUERY_PARAMETERS,
 663                 queryParameters);
 664
 665         if (mOperationsServiceBinder != null) {
 666             //Log_OC.wtf(TAG, "getting access token..." );
 667             mWaitingForOpId = mOperationsServiceBinder.newOperation(getServerInfoIntent);
 668         }
 669     }
 670
 671
 672
 673     /**
 674      * Handles the change of focus on the text inputs for the server URL and the password
 675      */
 676     public void onFocusChange(View view, boolean hasFocus) {
 677         if (view.getId() == R.id.hostUrlInput) {
 678             if (!hasFocus) {
 679                 onUrlInputFocusLost((TextView) view);
 680             }
 681             else {
 682                 showRefreshButton(false);
 683             }
 684
 685         } else if (view.getId() == R.id.account_password) {
 686             onPasswordFocusChanged((TextView) view, hasFocus);
 687         }
 688     }
 689
 690
 691     /**
 692      * Handles changes in focus on the text input for the server URL.
 693      *
 694      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 695      * other field. The operation to check the existence of the server in the entered URL is
 696      * started.
 697      *
 698      * When hasFocus:    user 'comes back' to write again the server URL.
 699      *
 700      * @param hostInput     TextView with the URL input field receiving the change of focus.
 701      */
 702     private void onUrlInputFocusLost(TextView hostInput) {
 703         if (!mServerInfo.mBaseUrl.equals(
 704                 normalizeUrl(mHostUrlInput.getText().toString(), mServerInfo.mIsSslConn))) {
 705             // check server again only if the user changed something in the field
 706             checkOcServer();
 707         } else {
 708             mOkButton.setEnabled(mServerIsValid);
 709             showRefreshButton(!mServerIsValid);
 710         }
 711     }
 712
 713
 714     private void checkOcServer() {
 715         String uri = mHostUrlInput.getText().toString().trim();
 716         mServerIsValid = false;
 717         mServerIsChecked = false;
 718         mOkButton.setEnabled(false);
 719         mServerInfo = new GetServerInfoOperation.ServerInfo();
 720         showRefreshButton(false);
 721
 722         if (uri.length() != 0) {
 723             mServerStatusText = R.string.auth_testing_connection;
 724             mServerStatusIcon = R.drawable.progress_small;
 725             showServerStatus();
 726
 727             Intent getServerInfoIntent = new Intent();
 728             getServerInfoIntent.setAction(OperationsService.ACTION_GET_SERVER_INFO);
 729             getServerInfoIntent.putExtra(OperationsService.EXTRA_SERVER_URL, uri);
 730             getServerInfoIntent.putExtra(OperationsService.EXTRA_AUTH_TOKEN_TYPE, mAuthTokenType);
 731             if (mOperationsServiceBinder != null) {
 732                 //Log_OC.wtf(TAG, "checking server..." );
 733                 mWaitingForOpId = mOperationsServiceBinder.newOperation(getServerInfoIntent);
 734             }
 735
 736         } else {
 737             mServerStatusText = 0;
 738             mServerStatusIcon = 0;
 739             showServerStatus();
 740         }
 741     }
 742
 743
 744     /**
 745      * Handles changes in focus on the text input for the password (basic authorization).
 746      *
 747      * When (hasFocus), the button to toggle password visibility is shown.
 748      *
 749      * When (!hasFocus), the button is made invisible and the password is hidden.
 750      *
 751      * @param passwordInput    TextView with the password input field receiving the change of focus.
 752      * @param hasFocus          'True' if focus is received, 'false' if is lost
 753      */
 754     private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {
 755         if (hasFocus) {
 756             showViewPasswordButton();
 757         } else {
 758             hidePassword();
 759             hidePasswordButton();
 760         }
 761     }
 762
 763
 764     private void showViewPasswordButton() {
 765         //int drawable = android.R.drawable.ic_menu_view;
 766         int drawable = R.drawable.ic_view;
 767         if (isPasswordVisible()) {
 768             //drawable = android.R.drawable.ic_secure;
 769             drawable = R.drawable.ic_hide;
 770         }
 771         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 772     }
 773
 774     private boolean isPasswordVisible() {
 775         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 776     }
 777
 778     private void hidePasswordButton() {
 779         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 780     }
 781
 782     private void showPassword() {
 783         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 784         showViewPasswordButton();
 785     }
 786
 787     private void hidePassword() {
 788         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
 789         showViewPasswordButton();
 790     }
 791
 792     /**
 793      * Checks the credentials of the user in the root of the ownCloud server
 794      * before creating a new local account.
 795      *
 796      * For basic authorization, a check of existence of the root folder is
 797      * performed.
 798      *
 799      * For OAuth, starts the flow to get an access token; the credentials test
 800      * is postponed until it is available.
 801      *
 802      * IMPORTANT ENTRY POINT 4
 803      *
 804      * @param view      OK button
 805      */
 806     public void onOkClick(View view) {
 807         // this check should be unnecessary
 808         if (mServerInfo.mVersion == null ||
 809                 !mServerInfo.mVersion.isVersionValid()  ||
 810                 mServerInfo.mBaseUrl == null ||
 811                 mServerInfo.mBaseUrl.length() == 0) {
 812             mServerStatusIcon = R.drawable.common_error;
 813             mServerStatusText = R.string.auth_wtf_reenter_URL;
 814             showServerStatus();
 815             mOkButton.setEnabled(false);
 816             Log_OC.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");
 817             return;
 818         }
 819
 820         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 821             startOauthorization();
 822         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 823             startSamlBasedFederatedSingleSignOnAuthorization();
 824         } else {
 825             checkBasicAuthorization();
 826         }
 827     }
 828
 829
 830     /**
 831      * Tests the credentials entered by the user performing a check of existence on
 832      * the root folder of the ownCloud server.
 833      */
 834     private void checkBasicAuthorization() {
 835         /// get the path to the root folder through WebDAV from the version server
 836         String webdav_path = AccountUtils.getWebdavPath(mServerInfo.mVersion, mAuthTokenType);
 837
 838         /// get basic credentials entered by user
 839         String username = mUsernameInput.getText().toString();
 840         String password = mPasswordInput.getText().toString();
 841
 842         /// be gentle with the user
 843         IndeterminateProgressDialog dialog =
 844                 IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
 845         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 846
 847         /// test credentials accessing the root folder
 848         String remotePath ="";
 849         boolean successIfAbsent = false;
 850         boolean followRedirects = true;
 851         startExistenceCheckRemoteOperation(remotePath, this, successIfAbsent, webdav_path, username, password, followRedirects);
 852
 853     }
 854
 855     private void startExistenceCheckRemoteOperation(String remotePath, Context context, boolean successIfAbsent, String webdav_path,
 856             String username, String password, boolean followRedirects) {
 857         Intent existenceCheckIntent = new Intent();
 858         existenceCheckIntent.setAction(OperationsService.ACTION_EXISTENCE_CHECK);
 859         existenceCheckIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mServerInfo.mBaseUrl);
 860         existenceCheckIntent.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
 861         existenceCheckIntent.putExtra(OperationsService.EXTRA_SUCCESS_IF_ABSENT, successIfAbsent);
 862         existenceCheckIntent.putExtra(OperationsService.EXTRA_WEBDAV_PATH, webdav_path);
 863         existenceCheckIntent.putExtra(OperationsService.EXTRA_USERNAME, username);
 864         existenceCheckIntent.putExtra(OperationsService.EXTRA_PASSWORD, password);
 865         existenceCheckIntent.putExtra(OperationsService.EXTRA_AUTH_TOKEN, mAuthToken);
 866         existenceCheckIntent.putExtra(OperationsService.EXTRA_FOLLOW_REDIRECTS, followRedirects);
 867
 868         if (mOperationsServiceBinder != null) {
 869             Log_OC.wtf(TAG, "starting existenceCheckRemoteOperation..." );
 870             mWaitingForOpId = mOperationsServiceBinder.newOperation(existenceCheckIntent);
 871         }
 872     }
 873
 874     /**
 875      * Starts the OAuth 'grant type' flow to get an access token, with
 876      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 877      */
 878     private void startOauthorization() {
 879         // be gentle with the user
 880         mAuthStatusIcon = R.drawable.progress_small;
 881         mAuthStatusText = R.string.oauth_login_connection;
 882         showAuthStatus();
 883
 884         // GET AUTHORIZATION request
 885         //Uri uri = Uri.parse(getString(R.string.oauth2_url_endpoint_auth));
 886         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 887         Uri.Builder uriBuilder = uri.buildUpon();
 888         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type));
 889         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri));
 890         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id));
 891         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope));
 892         //uriBuilder.appendQueryParameter(OAuth2Constants.KEY_STATE, whateverwewant);
 893         uri = uriBuilder.build();
 894         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 895         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 896         startActivity(i);
 897     }
 898
 899
 900     /**
 901      * Starts the Web Single Sign On flow to get access to the root folder
 902      * in the server.
 903      */
 904     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 905         // be gentle with the user
 906         mAuthStatusIcon = R.drawable.progress_small;
 907         mAuthStatusText = R.string.auth_connecting_auth_server;
 908         showAuthStatus();
 909         IndeterminateProgressDialog dialog =
 910                 IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
 911         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 912
 913         /// get the path to the root folder through WebDAV from the version server
 914         String webdav_path = AccountUtils.getWebdavPath(mServerInfo.mVersion, mAuthTokenType);
 915
 916         /// test credentials accessing the root folder
 917         String remotePath ="";
 918         boolean successIfAbsent = false;
 919         boolean followRedirections = false;
 920         startExistenceCheckRemoteOperation(remotePath, this, successIfAbsent, webdav_path, "", "", followRedirections);
 921
 922     }
 923
 924     /**
 925      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 926      *
 927      * Dispatches the operation flow to the right method.
 928      */
 929     @Override
 930     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 931
 932         if (operation instanceof GetServerInfoOperation) {
 933             if (operation.hashCode() == mWaitingForOpId) {
 934                 onGetServerInfoFinish(result);
 935             }   // else nothing ; only the last check operation is considered;
 936                 // multiple can be started if the user amends a URL quickly
 937
 938         } else if (operation instanceof OAuth2GetAccessToken) {
 939             onGetOAuthAccessTokenFinish(result);
 940
 941         } else if (operation instanceof ExistenceCheckRemoteOperation)  {
 942             Log_OC.wtf(TAG, "received detection response through callback" );
 943             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 944                 onSamlBasedFederatedSingleSignOnAuthorizationStart(result);
 945
 946             } else {
 947                 onAuthorizationCheckFinish(result);
 948             }
 949         } else if (operation instanceof GetRemoteUserNameOperation) {
 950             onGetUserNameFinish(result);
 951         }
 952
 953     }
 954
 955     private void onGetUserNameFinish(RemoteOperationResult result) {
 956         mWaitingForOpId = Long.MAX_VALUE;
 957         if (result.isSuccess()) {
 958             boolean success = false;
 959             String username = (String) result.getData().get(0);
 960
 961             if ( mAction == ACTION_CREATE) {
 962                 mUsernameInput.setText(username);
 963                 success = createAccount();
 964             } else {
 965
 966                 if (!mUsernameInput.getText().toString().equals(username)) {
 967                     // fail - not a new account, but an existing one; disallow
 968                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
 969                     updateAuthStatusIconAndText(result);
 970                     showAuthStatus();
 971                     Log_OC.d(TAG, result.getLogMessage());
 972                 } else {
 973                     updateToken();
 974                     success = true;
 975                 }
 976             }
 977
 978             if (success)
 979                 finish();
 980         } else {
 981             updateStatusIconFailUserName();
 982             showAuthStatus();
 983             Log_OC.e(TAG, "Access to user name failed: " + result.getLogMessage());
 984         }
 985
 986     }
 987
 988     private void onSamlBasedFederatedSingleSignOnAuthorizationStart(RemoteOperationResult result) {
 989         mWaitingForOpId = Long.MAX_VALUE;
 990         dismissDialog(WAIT_DIALOG_TAG);
 991
 992         //if (result.isTemporalRedirection() && result.isIdPRedirection()) {
 993         if (result.isIdPRedirection()) {
 994             String url = result.getRedirectedLocation();
 995             String targetUrl = mServerInfo.mBaseUrl
 996                     + AccountUtils.getWebdavPath(mServerInfo.mVersion, mAuthTokenType);
 997
 998             // Show dialog
 999             SamlWebViewDialog dialog = SamlWebViewDialog.newInstance(url, targetUrl);
1000             dialog.show(getSupportFragmentManager(), SAML_DIALOG_TAG);
1001
1002             mAuthStatusIcon = 0;
1003             mAuthStatusText = 0;
1004
1005         } else {
1006             mAuthStatusIcon = R.drawable.common_error;
1007             mAuthStatusText = R.string.auth_unsupported_auth_method;
1008
1009         }
1010         showAuthStatus();
1011     }
1012
1013
1014     /**
1015      * Processes the result of the server check performed when the user finishes the enter of the
1016      * server URL.
1017      *
1018      * @param operation     Server check performed.
1019      * @param result        Result of the check.
1020      */
1021     private void onGetServerInfoFinish(RemoteOperationResult result) {
1022         /// update activity state
1023         mServerIsChecked = true;
1024         mWaitingForOpId = Long.MAX_VALUE;
1025
1026         // update server status, but don't show it yet
1027         updateServerStatusIconAndText(result);
1028
1029         if (result.isSuccess()) {
1030             /// SUCCESS means:
1031             //      1. connection succeeded, and we know if it's SSL or not
1032             //      2. server is installed
1033             //      3. we got the server version
1034             //      4. we got the authentication method required by the server
1035             mServerInfo = (GetServerInfoOperation.ServerInfo) (result.getData().get(0));
1036
1037             if (!authSupported(mServerInfo.mAuthMethod)) {
1038
1039                 updateServerStatusIconNoRegularAuth();  // overrides updateServerStatusIconAndText()
1040                 mServerIsValid = false;
1041
1042             } else {
1043                 mServerIsValid = true;
1044             }
1045
1046         } else {
1047             mServerIsValid = false;
1048         }
1049
1050         // refresh UI
1051         showRefreshButton(!mServerIsValid);
1052         showServerStatus();
1053         mOkButton.setEnabled(mServerIsValid);
1054
1055         /// very special case (TODO: move to a common place for all the remote operations)
1056         if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1057             showUntrustedCertDialog(result);
1058         }
1059     }
1060
1061
1062     private boolean authSupported(AuthenticationMethod authMethod) {
1063         String basic = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1064         String oAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1065         String saml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
1066
1067         return (( mAuthTokenType.equals(basic) &&
1068                     authMethod.equals(AuthenticationMethod.BASIC_HTTP_AUTH) ) ||
1069                 ( mAuthTokenType.equals(oAuth) &&
1070                     authMethod.equals(AuthenticationMethod.BEARER_TOKEN)) ||
1071                 ( mAuthTokenType.equals(saml)  &&
1072                     authMethod.equals(AuthenticationMethod.SAML_WEB_SSO))
1073         );
1074     }
1075
1076
1077     // TODO remove, if possible
1078     private String normalizeUrl(String url, boolean sslWhenUnprefixed) {
1079         if (url != null && url.length() > 0) {
1080             url = url.trim();
1081             if (!url.toLowerCase().startsWith("http://") &&
1082                     !url.toLowerCase().startsWith("https://")) {
1083                 if (sslWhenUnprefixed) {
1084                     url = "https://" + url;
1085                 } else {
1086                     url = "http://" + url;
1087                 }
1088             }
1089
1090             url = trimUrlWebdav(url);
1091
1092             if (url.endsWith("/")) {
1093                 url = url.substring(0, url.length() - 1);
1094             }
1095
1096         }
1097         return (url != null ? url : "");
1098     }
1099
1100
1101     // TODO remove, if possible
1102     private String trimUrlWebdav(String url){
1103         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){
1104             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length());
1105         } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){
1106             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length());
1107         } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){
1108             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length());
1109         }
1110         return (url != null ? url : "");
1111     }
1112
1113
1114     /**
1115      * Chooses the right icon and text to show to the user for the received operation result.
1116      *
1117      * @param result    Result of a remote operation performed in this activity
1118      */
1119     private void updateServerStatusIconAndText(RemoteOperationResult result) {
1120         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1121
1122         switch (result.getCode()) {
1123         case OK_SSL:
1124             mServerStatusIcon = android.R.drawable.ic_secure;
1125             mServerStatusText = R.string.auth_secure_connection;
1126             break;
1127
1128         case OK_NO_SSL:
1129         case OK:
1130             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1131                 mServerStatusText = R.string.auth_connection_established;
1132                 mServerStatusIcon = R.drawable.ic_ok;
1133             } else {
1134                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1135                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
1136             }
1137             break;
1138
1139         case NO_NETWORK_CONNECTION:
1140             mServerStatusIcon = R.drawable.no_network;
1141             mServerStatusText = R.string.auth_no_net_conn_title;
1142             break;
1143
1144         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1145             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1146             break;
1147         case BAD_OC_VERSION:
1148             mServerStatusText = R.string.auth_bad_oc_version_title;
1149             break;
1150         case WRONG_CONNECTION:
1151             mServerStatusText = R.string.auth_wrong_connection_title;
1152             break;
1153         case TIMEOUT:
1154             mServerStatusText = R.string.auth_timeout_title;
1155             break;
1156         case INCORRECT_ADDRESS:
1157             mServerStatusText = R.string.auth_incorrect_address_title;
1158             break;
1159         case SSL_ERROR:
1160             mServerStatusText = R.string.auth_ssl_general_error_title;
1161             break;
1162         case UNAUTHORIZED:
1163             mServerStatusText = R.string.auth_unauthorized;
1164             break;
1165         case HOST_NOT_AVAILABLE:
1166             mServerStatusText = R.string.auth_unknown_host_title;
1167             break;
1168         case INSTANCE_NOT_CONFIGURED:
1169             mServerStatusText = R.string.auth_not_configured_title;
1170             break;
1171         case FILE_NOT_FOUND:
1172             mServerStatusText = R.string.auth_incorrect_path_title;
1173             break;
1174         case OAUTH2_ERROR:
1175             mServerStatusText = R.string.auth_oauth_error;
1176             break;
1177         case OAUTH2_ERROR_ACCESS_DENIED:
1178             mServerStatusText = R.string.auth_oauth_error_access_denied;
1179             break;
1180         case UNHANDLED_HTTP_CODE:
1181         case UNKNOWN_ERROR:
1182             mServerStatusText = R.string.auth_unknown_error_title;
1183             break;
1184         default:
1185             mServerStatusText = 0;
1186             mServerStatusIcon = 0;
1187         }
1188     }
1189
1190
1191     /**
1192      * Chooses the right icon and text to show to the user for the received operation result.
1193      *
1194      * @param result    Result of a remote operation performed in this activity
1195      */
1196     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1197         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1198
1199         switch (result.getCode()) {
1200         case OK_SSL:
1201             mAuthStatusIcon = android.R.drawable.ic_secure;
1202             mAuthStatusText = R.string.auth_secure_connection;
1203             break;
1204
1205         case OK_NO_SSL:
1206         case OK:
1207             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1208                 mAuthStatusText = R.string.auth_connection_established;
1209                 mAuthStatusIcon = R.drawable.ic_ok;
1210             } else {
1211                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1212                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
1213             }
1214             break;
1215
1216         case NO_NETWORK_CONNECTION:
1217             mAuthStatusIcon = R.drawable.no_network;
1218             mAuthStatusText = R.string.auth_no_net_conn_title;
1219             break;
1220
1221         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1222             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1223             break;
1224         case BAD_OC_VERSION:
1225             mAuthStatusText = R.string.auth_bad_oc_version_title;
1226             break;
1227         case WRONG_CONNECTION:
1228             mAuthStatusText = R.string.auth_wrong_connection_title;
1229             break;
1230         case TIMEOUT:
1231             mAuthStatusText = R.string.auth_timeout_title;
1232             break;
1233         case INCORRECT_ADDRESS:
1234             mAuthStatusText = R.string.auth_incorrect_address_title;
1235             break;
1236         case SSL_ERROR:
1237             mAuthStatusText = R.string.auth_ssl_general_error_title;
1238             break;
1239         case UNAUTHORIZED:
1240             mAuthStatusText = R.string.auth_unauthorized;
1241             break;
1242         case HOST_NOT_AVAILABLE:
1243             mAuthStatusText = R.string.auth_unknown_host_title;
1244             break;
1245         case INSTANCE_NOT_CONFIGURED:
1246             mAuthStatusText = R.string.auth_not_configured_title;
1247             break;
1248         case FILE_NOT_FOUND:
1249             mAuthStatusText = R.string.auth_incorrect_path_title;
1250             break;
1251         case OAUTH2_ERROR:
1252             mAuthStatusText = R.string.auth_oauth_error;
1253             break;
1254         case OAUTH2_ERROR_ACCESS_DENIED:
1255             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1256             break;
1257         case ACCOUNT_NOT_NEW:
1258             mAuthStatusText = R.string.auth_account_not_new;
1259             break;
1260         case ACCOUNT_NOT_THE_SAME:
1261             mAuthStatusText = R.string.auth_account_not_the_same;
1262             break;
1263         case UNHANDLED_HTTP_CODE:
1264         case UNKNOWN_ERROR:
1265             mAuthStatusText = R.string.auth_unknown_error_title;
1266             break;
1267         default:
1268             mAuthStatusText = 0;
1269             mAuthStatusIcon = 0;
1270         }
1271     }
1272
1273
1274     private void updateStatusIconFailUserName(){
1275         mAuthStatusIcon = R.drawable.common_error;
1276         mAuthStatusText = R.string.auth_fail_get_user_name;
1277     }
1278
1279     private void updateServerStatusIconNoRegularAuth(){
1280         mServerStatusIcon = R.drawable.common_error;
1281         mServerStatusText = R.string.auth_can_not_auth_against_server;
1282     }
1283
1284     /**
1285      * Processes the result of the request for and access token send
1286      * to an OAuth authorization server.
1287      *
1288      * @param result        Result of the operation.
1289      */
1290     private void onGetOAuthAccessTokenFinish(RemoteOperationResult result) {
1291         mWaitingForOpId = Long.MAX_VALUE;
1292         dismissDialog(WAIT_DIALOG_TAG);
1293
1294         String webdav_path = AccountUtils.getWebdavPath(mServerInfo.mVersion, mAuthTokenType);
1295         if (result.isSuccess() && webdav_path != null) {
1296             /// be gentle with the user
1297             IndeterminateProgressDialog dialog =
1298                     IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
1299             dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
1300
1301             /// time to test the retrieved access token on the ownCloud server
1302             @SuppressWarnings("unchecked")
1303             Map<String, String> tokens = (Map<String, String>)(result.getData().get(0));
1304             mAuthToken = tokens.get(OAuth2Constants.KEY_ACCESS_TOKEN);
1305             //mAuthToken = ((OAuth2GetAccessToken)operation).getResultTokenMap().get(OAuth2Constants.KEY_ACCESS_TOKEN);
1306             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1307
1308             String remotePath ="";
1309             boolean successIfAbsent = false;
1310             boolean followRedirects = true;
1311             startExistenceCheckRemoteOperation(remotePath, this, successIfAbsent, webdav_path, "", "", followRedirects);
1312
1313         } else {
1314             updateAuthStatusIconAndText(result);
1315             showAuthStatus();
1316             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1317         }
1318     }
1319
1320
1321     /**
1322      * Processes the result of the access check performed to try the user credentials.
1323      *
1324      * Creates a new account through the AccountManager.
1325      *
1326      * @param operation     Access check performed.
1327      * @param result        Result of the operation.
1328      */
1329     private void onAuthorizationCheckFinish(RemoteOperationResult result) {
1330         mWaitingForOpId = Long.MAX_VALUE;
1331         dismissDialog(WAIT_DIALOG_TAG);
1332
1333         result = new RemoteOperationResult(new RuntimeException("FAKE"));
1334         if (result.isSuccess()) {
1335             Log_OC.d(TAG, "Successful access - time to save the account");
1336
1337             boolean success = false;
1338             if (mAction == ACTION_CREATE) {
1339                 success = createAccount();
1340
1341             } else {
1342                 updateToken();
1343                 success = true;
1344             }
1345
1346             if (success) {
1347                 finish();
1348             }
1349
1350         } else if (result.isServerFail() || result.isException()) {
1351             /// server errors or exceptions in authorization take to requiring a new check of
1352             /// the server
1353             mServerIsChecked = true;
1354             mServerIsValid = false;
1355             /*
1356             mServerInfo.mIsSslConn = false;
1357             mServerInfo.mVersion = null;
1358             mServerInfo.mBaseUrl =
1359                     normalizeUrl(mHostUrlInput.getText().toString(), mServerInfo.mIsSslConn);    // TODO remove?
1360                     */
1361             mServerInfo = new GetServerInfoOperation.ServerInfo();
1362
1363             // update status icon and text
1364             updateServerStatusIconAndText(result);
1365             showServerStatus();
1366             mAuthStatusIcon = 0;
1367             mAuthStatusText = 0;
1368             showAuthStatus();
1369
1370             // update input controls state
1371             showRefreshButton(true);
1372             mOkButton.setEnabled(false);
1373
1374             // very special case (TODO: move to a common place for all the remote operations) (dangerous here?)
1375             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1376                 showUntrustedCertDialog(result);
1377             }
1378
1379         } else {    // authorization fail due to client side - probably wrong credentials
1380             updateAuthStatusIconAndText(result);
1381             showAuthStatus();
1382             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1383         }
1384     }
1385
1386
1387
1388
1389     /**
1390      * Sets the proper response to get that the Account Authenticator that started this activity saves
1391      * a new authorization token for mAccount.
1392      */
1393     private void updateToken() {
1394         Bundle response = new Bundle();
1395         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1396         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1397
1398         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1399             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1400             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1401             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1402
1403         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1404
1405             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1406             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1407             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1408
1409         } else {
1410             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1411             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1412         }
1413         setAccountAuthenticatorResult(response);
1414
1415     }
1416
1417
1418     /**
1419      * Creates a new account through the Account Authenticator that started this activity.
1420      *
1421      * This makes the account permanent.
1422      *
1423      * TODO Decide how to name the OAuth accounts
1424      */
1425     private boolean createAccount() {
1426         /// create and save new ownCloud account
1427         boolean isOAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1428         boolean isSaml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1429
1430         Uri uri = Uri.parse(mServerInfo.mBaseUrl);
1431         String username = mUsernameInput.getText().toString().trim();
1432         if (isOAuth) {
1433             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1434         }
1435         String accountName = username + "@" + uri.getHost();
1436         if (uri.getPort() >= 0) {
1437             accountName += ":" + uri.getPort();
1438         }
1439         Account newAccount = new Account(accountName, MainApp.getAccountType());
1440         if (AccountUtils.exists(newAccount, getApplicationContext())) {
1441             // fail - not a new account, but an existing one; disallow
1442             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1443             updateAuthStatusIconAndText(result);
1444             showAuthStatus();
1445             Log_OC.d(TAG, result.getLogMessage());
1446             return false;
1447
1448         } else {
1449             mAccount = newAccount;
1450
1451             if (isOAuth || isSaml) {
1452                 mAccountMgr.addAccountExplicitly(mAccount, "", null);  // with external authorizations, the password is never input in the app
1453             } else {
1454                 mAccountMgr.addAccountExplicitly(mAccount, mPasswordInput.getText().toString(), null);
1455             }
1456
1457             /// add the new account as default in preferences, if there is none already
1458             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1459             if (defaultAccount == null) {
1460                 SharedPreferences.Editor editor = PreferenceManager
1461                         .getDefaultSharedPreferences(this).edit();
1462                 editor.putString("select_oc_account", accountName);
1463                 editor.commit();
1464             }
1465
1466             /// prepare result to return to the Authenticator
1467             //  TODO check again what the Authenticator makes with it; probably has the same effect as addAccountExplicitly, but it's not well done
1468             final Intent intent = new Intent();
1469             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1470             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1471             /*if (!isOAuth)
1472                 intent.putExtra(AccountManager.KEY_AUTHTOKEN,   MainApp.getAccountType()); */
1473             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1474             if (isOAuth || isSaml) {
1475                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1476             }
1477             /// add user data to the new account; TODO probably can be done in the last parameter addAccountExplicitly, or in KEY_USERDATA
1478             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_VERSION,    mServerInfo.mVersion.getVersion());
1479             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_BASE_URL,   mServerInfo.mBaseUrl);
1480
1481             if (isSaml) {
1482                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1483             } else if (isOAuth) {
1484                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1485             }
1486
1487             setAccountAuthenticatorResult(intent.getExtras());
1488             setResult(RESULT_OK, intent);
1489
1490             return true;
1491         }
1492     }
1493
1494
1495     /**
1496      * Starts and activity to open the 'new account' page in the ownCloud web site
1497      *
1498      * @param view      'Account register' button
1499      */
1500     public void onRegisterClick(View view) {
1501         Intent register = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url)));
1502         setResult(RESULT_CANCELED);
1503         startActivity(register);
1504     }
1505
1506
1507     /**
1508      * Updates the content and visibility state of the icon and text associated
1509      * to the last check on the ownCloud server.
1510      *
1511      * @param serverStatusText      Resource identifier of the text to show.
1512      * @param serverStatusIcon      Resource identifier of the icon to show.
1513      */
1514     private void showServerStatus() {
1515         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1516             mServerStatusView.setVisibility(View.INVISIBLE);
1517
1518         } else {
1519             mServerStatusView.setText(mServerStatusText);
1520             mServerStatusView.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1521             mServerStatusView.setVisibility(View.VISIBLE);
1522         }
1523
1524     }
1525
1526
1527     /**
1528      * Updates the content and visibility state of the icon and text associated
1529      * to the interactions with the OAuth authorization server.
1530      */
1531     private void showAuthStatus() {
1532         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1533             mAuthStatusView.setVisibility(View.INVISIBLE);
1534
1535         } else {
1536             mAuthStatusView.setText(mAuthStatusText);
1537             mAuthStatusView.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1538             mAuthStatusView.setVisibility(View.VISIBLE);
1539         }
1540     }
1541
1542
1543     private void showRefreshButton (boolean show) {
1544         if (show)  {
1545             mRefreshButton.setVisibility(View.VISIBLE);
1546         } else {
1547             mRefreshButton.setVisibility(View.GONE);
1548         }
1549     }
1550
1551     /**
1552      * Called when the refresh button in the input field for ownCloud host is clicked.
1553      *
1554      * Performs a new check on the URL in the input field.
1555      *
1556      * @param view      Refresh 'button'
1557      */
1558     public void onRefreshClick(View view) {
1559         checkOcServer();
1560     }
1561
1562
1563     /**
1564      * Called when the eye icon in the password field is clicked.
1565      *
1566      * Toggles the visibility of the password in the field.
1567      */
1568     public void onViewPasswordClick() {
1569         int selectionStart = mPasswordInput.getSelectionStart();
1570         int selectionEnd = mPasswordInput.getSelectionEnd();
1571         if (isPasswordVisible()) {
1572             hidePassword();
1573         } else {
1574             showPassword();
1575         }
1576         mPasswordInput.setSelection(selectionStart, selectionEnd);
1577     }
1578
1579
1580     /**
1581      * Called when the checkbox for OAuth authorization is clicked.
1582      *
1583      * Hides or shows the input fields for user & password.
1584      *
1585      * @param view      'View password' 'button'
1586      */
1587     public void onCheckClick(View view) {
1588         CheckBox oAuth2Check = (CheckBox)view;
1589         if (oAuth2Check.isChecked()) {
1590             mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1591         } else {
1592             mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1593         }
1594         updateAuthenticationPreFragmentVisibility();
1595     }
1596
1597
1598     /**
1599      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1600      *
1601      *  Used to trigger the authentication check when the user presses 'enter' after writing the password,
1602      *  or to throw the server test when the only field on screen is the URL input field.
1603      */
1604     @Override
1605     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1606         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null && inputField.equals(mPasswordInput)) {
1607             if (mOkButton.isEnabled()) {
1608                 mOkButton.performClick();
1609             }
1610
1611         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null && inputField.equals(mHostUrlInput)) {
1612             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1613                 checkOcServer();
1614             }
1615         }
1616         return false;   // always return false to grant that the software keyboard is hidden anyway
1617     }
1618
1619
1620     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1621
1622         private int fuzz = 75;
1623
1624         /**
1625          * {@inheritDoc}
1626          */
1627         @Override
1628         public boolean onTouch(View view, MotionEvent event) {
1629             Drawable rightDrawable = null;
1630             if (view instanceof TextView) {
1631                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1632                 if (drawables.length > 2) {
1633                     rightDrawable = drawables[2];
1634                 }
1635             }
1636             if (rightDrawable != null) {
1637                 final int x = (int) event.getX();
1638                 final int y = (int) event.getY();
1639                 final Rect bounds = rightDrawable.getBounds();
1640                 if (x >= (view.getRight() - bounds.width() - fuzz) && x <= (view.getRight() - view.getPaddingRight() + fuzz)
1641                         && y >= (view.getPaddingTop() - fuzz) && y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1642
1643                     return onDrawableTouch(event);
1644                 }
1645             }
1646             return false;
1647         }
1648
1649         public abstract boolean onDrawableTouch(final MotionEvent event);
1650     }
1651
1652
1653     private void getRemoteUserNameOperation(String sessionCookie, boolean followRedirects) {
1654
1655         Intent getUserNameIntent = new Intent();
1656         getUserNameIntent.setAction(OperationsService.ACTION_GET_USER_NAME);
1657         getUserNameIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mServerInfo.mBaseUrl);
1658         getUserNameIntent.putExtra(OperationsService.EXTRA_COOKIE, sessionCookie);
1659         getUserNameIntent.putExtra(OperationsService.EXTRA_FOLLOW_REDIRECTS, followRedirects);
1660
1661         if (mOperationsServiceBinder != null) {
1662             //Log_OC.wtf(TAG, "starting getRemoteUserNameOperation..." );
1663             mWaitingForOpId = mOperationsServiceBinder.newOperation(getUserNameIntent);
1664         }
1665     }
1666
1667
1668     @Override
1669     public void onSsoFinished(String sessionCookie) {
1670         if (sessionCookie != null && sessionCookie.length() > 0) {
1671             Log_OC.d(TAG, "Successful SSO - time to save the account");
1672             mAuthToken = sessionCookie;
1673             getRemoteUserNameOperation(sessionCookie, true);
1674             Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1675             if (fd != null && fd instanceof SherlockDialogFragment) {
1676                 Dialog d = ((SherlockDialogFragment)fd).getDialog();
1677                 if (d != null && d.isShowing()) {
1678                     d.dismiss();
1679                 }
1680             }
1681
1682         } else {
1683             // TODO - show fail
1684             Log_OC.d(TAG, "SSO failed");
1685         }
1686
1687     }
1688
1689     @Override
1690     public boolean onTouchEvent(MotionEvent event) {
1691         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
1692                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1693             checkOcServer();
1694         }
1695         return super.onTouchEvent(event);
1696     }
1697
1698
1699     /**
1700      * Show untrusted cert dialog
1701      */
1702     public void showUntrustedCertDialog(X509Certificate x509Certificate, SslError error, SslErrorHandler handler) {
1703         // Show a dialog with the certificate info
1704         SslUntrustedCertDialog dialog = null;
1705         if (x509Certificate == null) {
1706             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
1707         } else {
1708             dialog = SslUntrustedCertDialog.newInstanceForFullSslError(x509Certificate, error, handler);
1709         }
1710         FragmentManager fm = getSupportFragmentManager();
1711         FragmentTransaction ft = fm.beginTransaction();
1712         ft.addToBackStack(null);
1713         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1714     }
1715
1716     /**
1717      * Show untrusted cert dialog
1718      */
1719     private void showUntrustedCertDialog(RemoteOperationResult result) {
1720         // Show a dialog with the certificate info
1721         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1722         FragmentManager fm = getSupportFragmentManager();
1723         FragmentTransaction ft = fm.beginTransaction();
1724         ft.addToBackStack(null);
1725         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1726
1727     }
1728
1729     /**
1730      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1731      */
1732     public void onSavedCertificate() {
1733         Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1734         if (fd == null) {
1735             // if SAML dialog is not shown, the SslDialog was shown due to an SSL error in the server check
1736             checkOcServer();
1737         }
1738     }
1739
1740     /**
1741      * Called from SslValidatorDialog when a new server certificate could not be saved
1742      * when the user requested it.
1743      */
1744     @Override
1745     public void onFailedSavingCertificate() {
1746         dismissDialog(SAML_DIALOG_TAG);
1747         Toast.makeText(this, R.string.ssl_validator_not_saved, Toast.LENGTH_LONG).show();
1748     }
1749
1750     @Override
1751     public void onCancelCertificate() {
1752         dismissDialog(SAML_DIALOG_TAG);
1753     }
1754
1755
1756     private void doOnResumeAndBound() {
1757         Log.wtf(TAG, "registering to listen for operation callbacks" );
1758         mOperationsServiceBinder.addOperationListener(AuthenticatorActivity.this, mHandler);
1759         if (mWaitingForOpId <= Integer.MAX_VALUE) {
1760             mOperationsServiceBinder.dispatchResultIfFinished((int)mWaitingForOpId, this);
1761         }
1762     }
1763
1764
1765     private void dismissDialog(String dialogTag){
1766         Fragment frag = getSupportFragmentManager().findFragmentByTag(dialogTag);
1767         if (frag != null && frag instanceof SherlockDialogFragment) {
1768             SherlockDialogFragment dialog = (SherlockDialogFragment) frag;
1769             dialog.dismiss();
1770         }
1771     }
1772
1773
1774     /**
1775      * Implements callback methods for service binding.
1776      */
1777     private class OperationsServiceConnection implements ServiceConnection {
1778
1779         @Override
1780         public void onServiceConnected(ComponentName component, IBinder service) {
1781             if (component.equals(new ComponentName(AuthenticatorActivity.this, OperationsService.class))) {
1782                 Log_OC.wtf(TAG, "Operations service connected");
1783                 mOperationsServiceBinder = (OperationsServiceBinder) service;
1784
1785                 doOnResumeAndBound();
1786
1787             } else {
1788                 return;
1789             }
1790
1791         }
1792
1793         @Override
1794         public void onServiceDisconnected(ComponentName component) {
1795             if (component.equals(new ComponentName(AuthenticatorActivity.this, OperationsService.class))) {
1796                 Log_OC.e(TAG, "Operations service crashed");
1797                 mOperationsServiceBinder = null;
1798             }
1799         }
1800
1801     }
1802
1803 }