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

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author Bartek Przybylski
   5  *   @author David A. Velasco
   6  *   @author masensio
   7  *   Copyright (C) 2012  Bartek Przybylski
   8  *   Copyright (C) 2015 ownCloud Inc.
   9  *
  10  *   This program is free software: you can redistribute it and/or modify
  11  *   it under the terms of the GNU General Public License version 2,
  12  *   as published by the Free Software Foundation.
  13  *
  14  *   This program is distributed in the hope that it will be useful,
  15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *   GNU General Public License for more details.
  18  *
  19  *   You should have received a copy of the GNU General Public License
  20  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21  *
  22  */
  23
  24 package com.owncloud.android.authentication;
  25
  26 import java.security.cert.X509Certificate;
  27 import java.util.Map;
  28
  29 import android.accounts.Account;
  30 import android.accounts.AccountManager;
  31 import android.app.Dialog;
  32 import android.content.ComponentName;
  33 import android.content.Context;
  34 import android.content.Intent;
  35 import android.content.ServiceConnection;
  36 import android.content.SharedPreferences;
  37 import android.graphics.Rect;
  38 import android.graphics.drawable.Drawable;
  39 import android.net.Uri;
  40 import android.net.http.SslError;
  41 import android.os.Bundle;
  42 import android.os.Handler;
  43 import android.os.IBinder;
  44 import android.preference.PreferenceManager;
  45 import android.support.v4.app.Fragment;
  46 import android.support.v4.app.FragmentManager;
  47 import android.support.v4.app.FragmentTransaction;
  48 import android.text.Editable;
  49 import android.text.InputType;
  50 import android.text.TextWatcher;
  51 import android.view.KeyEvent;
  52 import android.view.MotionEvent;
  53 import android.view.View;
  54 import android.view.View.OnFocusChangeListener;
  55 import android.view.View.OnTouchListener;
  56 import android.view.Window;
  57 import android.view.inputmethod.EditorInfo;
  58 import android.webkit.HttpAuthHandler;
  59 import android.webkit.SslErrorHandler;
  60 import android.webkit.WebView;
  61 import android.widget.Button;
  62 import android.widget.CheckBox;
  63 import android.widget.EditText;
  64 import android.widget.TextView;
  65 import android.widget.TextView.OnEditorActionListener;
  66 import android.widget.Toast;
  67
  68 import com.actionbarsherlock.app.SherlockDialogFragment;
  69 import com.owncloud.android.MainApp;
  70 import com.owncloud.android.R;
  71 import com.owncloud.android.authentication.SsoWebViewClient.SsoWebViewClientListener;
  72 import com.owncloud.android.lib.common.OwnCloudCredentials;
  73 import com.owncloud.android.lib.common.OwnCloudCredentialsFactory;
  74 import com.owncloud.android.lib.common.accounts.AccountTypeUtils;
  75 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  76 import com.owncloud.android.lib.common.accounts.AccountUtils.Constants;
  77 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  78 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  79 import com.owncloud.android.lib.common.operations.RemoteOperation;
  80 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  81 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  82 import com.owncloud.android.lib.common.utils.Log_OC;
  83 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  84 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  85 import com.owncloud.android.operations.DetectAuthenticationMethodOperation.AuthenticationMethod;
  86 import com.owncloud.android.operations.GetServerInfoOperation;
  87 import com.owncloud.android.operations.OAuth2GetAccessToken;
  88 import com.owncloud.android.services.OperationsService;
  89 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  90 import com.owncloud.android.ui.dialog.CredentialsDialogFragment;
  91 import com.owncloud.android.ui.dialog.IndeterminateProgressDialog;
  92 import com.owncloud.android.ui.dialog.SamlWebViewDialog;
  93 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  94 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  95 import com.owncloud.android.utils.DisplayUtils;
  96
  97 /**
  98  * This Activity is used to add an ownCloud account to the App
  99  */
 100 public class AuthenticatorActivity extends AccountAuthenticatorActivity
 101         implements  OnRemoteOperationListener, OnFocusChangeListener, OnEditorActionListener,
 102         SsoWebViewClientListener, OnSslUntrustedCertListener,
 103         AuthenticatorAsyncTask.OnAuthenticatorTaskListener {
 104
 105     private static final String TAG = AuthenticatorActivity.class.getSimpleName();
 106
 107     public static final String EXTRA_ACTION = "ACTION";
 108     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 109
 110     private static final String KEY_AUTH_TOKEN_TYPE = "AUTH_TOKEN_TYPE";
 111
 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_SERVER_VALID = "SERVER_VALID";
 115     private static final String KEY_SERVER_CHECKED = "SERVER_CHECKED";
 116     private static final String KEY_SERVER_STATUS_TEXT = "SERVER_STATUS_TEXT";
 117     private static final String KEY_SERVER_STATUS_ICON = "SERVER_STATUS_ICON";
 118     private static final String KEY_IS_SSL_CONN = "IS_SSL_CONN";
 119     private static final String KEY_PASSWORD_EXPOSED = "PASSWORD_VISIBLE";
 120     private static final String KEY_AUTH_STATUS_TEXT = "AUTH_STATUS_TEXT";
 121     private static final String KEY_AUTH_STATUS_ICON = "AUTH_STATUS_ICON";
 122     private static final String KEY_SERVER_AUTH_METHOD = "SERVER_AUTH_METHOD";
 123     private static final String KEY_WAITING_FOR_OP_ID = "WAITING_FOR_OP_ID";
 124     private static final String KEY_AUTH_TOKEN = "AUTH_TOKEN";
 125
 126     private static final String AUTH_ON = "on";
 127     private static final String AUTH_OPTIONAL = "optional";
 128
 129     public static final byte ACTION_CREATE = 0;
 130     public static final byte ACTION_UPDATE_TOKEN = 1;               // requested by the user
 131     public static final byte ACTION_UPDATE_EXPIRED_TOKEN = 2;       // detected by the app
 132
 133     private static final String UNTRUSTED_CERT_DIALOG_TAG = "UNTRUSTED_CERT_DIALOG";
 134     private static final String SAML_DIALOG_TAG = "SAML_DIALOG";
 135     private static final String WAIT_DIALOG_TAG = "WAIT_DIALOG";
 136     private static final String CREDENTIALS_DIALOG_TAG = "CREDENTIALS_DIALOG";
 137     private static final String KEY_AUTH_IS_FIRST_ATTEMPT_TAG = "KEY_AUTH_IS_FIRST_ATTEMPT";
 138
 139     private static final String KEY_USERNAME = "USERNAME";
 140     private static final String KEY_PASSWORD = "PASSWORD";
 141     private static final String KEY_ASYNC_TASK_IN_PROGRESS = "AUTH_IN_PROGRESS";
 142
 143     /// parameters from EXTRAs in starter Intent
 144     private byte mAction;
 145     private Account mAccount;
 146     private String mAuthTokenType;
 147
 148
 149     /// activity-level references / state
 150     private final Handler mHandler = new Handler();
 151     private ServiceConnection mOperationsServiceConnection = null;
 152     private OperationsServiceBinder mOperationsServiceBinder = null;
 153     private AccountManager mAccountMgr;
 154     private Uri mNewCapturedUriFromOAuth2Redirection;
 155
 156
 157     /// Server PRE-Fragment elements
 158     private EditText mHostUrlInput;
 159     private View mRefreshButton;
 160     private TextView mServerStatusView;
 161
 162     private TextWatcher mHostUrlInputWatcher;
 163     private int mServerStatusText = 0, mServerStatusIcon = 0;
 164
 165     private boolean mServerIsChecked = false;
 166     private boolean mServerIsValid = false;
 167     private boolean mPendingAutoCheck = false;
 168
 169     private GetServerInfoOperation.ServerInfo mServerInfo =
 170             new GetServerInfoOperation.ServerInfo();
 171
 172
 173     /// Authentication PRE-Fragment elements
 174     private CheckBox mOAuth2Check;
 175     private TextView mOAuthAuthEndpointText;
 176     private TextView mOAuthTokenEndpointText;
 177     private EditText mUsernameInput;
 178     private EditText mPasswordInput;
 179     private View mOkButton;
 180     private TextView mAuthStatusView;
 181
 182     private int mAuthStatusText = 0, mAuthStatusIcon = 0;
 183
 184     private String mAuthToken = "";
 185     private AuthenticatorAsyncTask mAsyncTask;
 186
 187     private boolean mIsFirstAuthAttempt;
 188
 189     /// Identifier of operation in progress which result shouldn't be lost
 190     private long mWaitingForOpId = Long.MAX_VALUE;
 191
 192     private final String BASIC_TOKEN_TYPE = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 193     private final String OAUTH_TOKEN_TYPE = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
 194     private final String SAML_TOKEN_TYPE =
 195             AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 196
 197
 198     /**
 199      * {@inheritDoc}
 200      *
 201      * IMPORTANT ENTRY POINT 1: activity is shown to the user
 202      */
 203     @Override
 204     protected void onCreate(Bundle savedInstanceState) {
 205         //Log_OC.wtf(TAG,  "onCreate init");
 206         super.onCreate(savedInstanceState);
 207         getWindow().requestFeature(Window.FEATURE_NO_TITLE);
 208
 209         mIsFirstAuthAttempt = true;
 210
 211         // bind to Operations Service
 212         mOperationsServiceConnection = new OperationsServiceConnection();
 213         if (!bindService(new Intent(this, OperationsService.class),
 214                 mOperationsServiceConnection,
 215                 Context.BIND_AUTO_CREATE)) {
 216             Toast.makeText(this,
 217                     R.string.error_cant_bind_to_operations_service,
 218                     Toast.LENGTH_LONG)
 219                         .show();
 220             finish();
 221         }
 222
 223         /// init activity state
 224         mAccountMgr = AccountManager.get(this);
 225         mNewCapturedUriFromOAuth2Redirection = null;
 226
 227         /// get input values
 228         mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE);
 229         mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 230         if (savedInstanceState == null) {
 231             initAuthTokenType();
 232         } else {
 233             mAuthTokenType = savedInstanceState.getString(KEY_AUTH_TOKEN_TYPE);
 234             mWaitingForOpId = savedInstanceState.getLong(KEY_WAITING_FOR_OP_ID);
 235             mIsFirstAuthAttempt = savedInstanceState.getBoolean(KEY_AUTH_IS_FIRST_ATTEMPT_TAG);
 236         }
 237
 238         /// load user interface
 239         setContentView(R.layout.account_setup);
 240
 241         /// initialize general UI elements
 242         initOverallUi();
 243
 244         mOkButton = findViewById(R.id.buttonOK);
 245
 246         /// initialize block to be moved to single Fragment to check server and get info about it
 247         initServerPreFragment(savedInstanceState);
 248
 249         /// initialize block to be moved to single Fragment to retrieve and validate credentials
 250         initAuthorizationPreFragment(savedInstanceState);
 251
 252         //Log_OC.wtf(TAG,  "onCreate end");
 253     }
 254
 255     private void initAuthTokenType() {
 256         mAuthTokenType =
 257                 getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 258         if (mAuthTokenType == null) {
 259             if (mAccount != null) {
 260                 boolean oAuthRequired =
 261                     (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2) != null);
 262                 boolean samlWebSsoRequired = (
 263                     mAccountMgr.getUserData(
 264                         mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO
 265                     ) != null
 266                 );
 267                 mAuthTokenType = chooseAuthTokenType(oAuthRequired, samlWebSsoRequired);
 268
 269             } else {
 270                 boolean oAuthSupported = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
 271                 boolean samlWebSsoSupported =
 272                         AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));
 273                 mAuthTokenType = chooseAuthTokenType(oAuthSupported, samlWebSsoSupported);
 274             }
 275         }
 276     }
 277
 278     private String chooseAuthTokenType(boolean oauth, boolean saml) {
 279         if (saml) {
 280             return SAML_TOKEN_TYPE;
 281         } else if (oauth) {
 282              return OAUTH_TOKEN_TYPE;
 283         } else {
 284             return BASIC_TOKEN_TYPE;
 285         }
 286     }
 287
 288
 289     /**
 290      * Configures elements in the user interface under direct control of the Activity.
 291      */
 292     private void initOverallUi() {
 293
 294         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 295         boolean isWelcomeLinkVisible = getResources().getBoolean(R.bool.show_welcome_link);
 296
 297         String instructionsMessageText = null;
 298         if (mAction == ACTION_UPDATE_EXPIRED_TOKEN) {
 299             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType())
 300                     .equals(mAuthTokenType)) {
 301                 instructionsMessageText = getString(R.string.auth_expired_oauth_token_toast);
 302
 303             } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType())
 304                     .equals(mAuthTokenType)) {
 305                 instructionsMessageText = getString(R.string.auth_expired_saml_sso_token_toast);
 306
 307             } else {
 308                 instructionsMessageText = getString(R.string.auth_expired_basic_auth_toast);
 309             }
 310         }
 311
 312         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 313         Button welcomeLink = (Button) findViewById(R.id.welcome_link);
 314         welcomeLink.setVisibility(isWelcomeLinkVisible ? View.VISIBLE : View.GONE);
 315         welcomeLink.setText(
 316                 String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 317
 318         TextView instructionsView = (TextView) findViewById(R.id.instructions_message);
 319         if (instructionsMessageText != null) {
 320             instructionsView.setVisibility(View.VISIBLE);
 321             instructionsView.setText(instructionsMessageText);
 322         } else {
 323             instructionsView.setVisibility(View.GONE);
 324         }
 325     }
 326
 327
 328     /**
 329      *
 330      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 331      */
 332     private void initServerPreFragment(Bundle savedInstanceState) {
 333
 334         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 335         boolean isUrlInputAllowed = getResources().getBoolean(R.bool.show_server_url_input);
 336         if (savedInstanceState == null) {
 337             if (mAccount != null) {
 338                 mServerInfo.mBaseUrl = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_BASE_URL);
 339                 // TODO do next in a setter for mBaseUrl
 340                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");
 341                 String ocVersion = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION);
 342                 if (ocVersion != null) {
 343                     mServerInfo.mVersion = new OwnCloudVersion(ocVersion);
 344                 }
 345             } else {
 346                 mServerInfo.mBaseUrl = getString(R.string.server_url).trim();
 347                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");
 348             }
 349         } else {
 350             mServerStatusText = savedInstanceState.getInt(KEY_SERVER_STATUS_TEXT);
 351             mServerStatusIcon = savedInstanceState.getInt(KEY_SERVER_STATUS_ICON);
 352
 353             mServerIsValid = savedInstanceState.getBoolean(KEY_SERVER_VALID);
 354             mServerIsChecked = savedInstanceState.getBoolean(KEY_SERVER_CHECKED);
 355
 356             // TODO parcelable
 357             mServerInfo.mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 358             mServerInfo.mBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 359             String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 360             if (ocVersion != null) {
 361                 mServerInfo.mVersion = new OwnCloudVersion(ocVersion);
 362             }
 363             mServerInfo.mAuthMethod = AuthenticationMethod.valueOf(
 364                     savedInstanceState.getString(KEY_SERVER_AUTH_METHOD));
 365
 366         }
 367
 368         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 369         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 370         // Convert IDN to Unicode
 371         mHostUrlInput.setText(DisplayUtils.convertIdn(mServerInfo.mBaseUrl, false));
 372         if (mAction != ACTION_CREATE) {
 373             /// lock things that should not change
 374             mHostUrlInput.setEnabled(false);
 375             mHostUrlInput.setFocusable(false);
 376         }
 377         if (isUrlInputAllowed) {
 378             mRefreshButton = findViewById(R.id.embeddedRefreshButton);
 379         } else {
 380             findViewById(R.id.hostUrlFrame).setVisibility(View.GONE);
 381             mRefreshButton = findViewById(R.id.centeredRefreshButton);
 382         }
 383         showRefreshButton(mServerIsChecked && !mServerIsValid &&
 384                 mWaitingForOpId > Integer.MAX_VALUE);
 385         mServerStatusView = (TextView) findViewById(R.id.server_status_text);
 386         showServerStatus();
 387
 388         /// step 3 - bind some listeners and options
 389         mHostUrlInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 390         mHostUrlInput.setOnEditorActionListener(this);
 391
 392         /// step 4 - create listeners that will be bound at onResume
 393         mHostUrlInputWatcher = new TextWatcher() {
 394
 395             @Override
 396             public void afterTextChanged(Editable s) {
 397                 if (mOkButton.isEnabled() &&
 398                         !mServerInfo.mBaseUrl.equals(
 399                                 normalizeUrl(s.toString(), mServerInfo.mIsSslConn))) {
 400                     mOkButton.setEnabled(false);
 401                 }
 402             }
 403
 404             @Override
 405             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 406             }
 407
 408             @Override
 409             public void onTextChanged(CharSequence s, int start, int before, int count) {
 410                 if (mAuthStatusIcon != 0) {
 411                     Log_OC.d(TAG, "onTextChanged: hiding authentication status");
 412                     mAuthStatusIcon = 0;
 413                     mAuthStatusText = 0;
 414                     showAuthStatus();
 415                 }
 416             }
 417         };
 418
 419
 420         // TODO find out if this is really necessary, or if it can done in a different way
 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 (
 426                             AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(
 427                                     MainApp.getAccountType()
 428                             ).equals(mAuthTokenType) &&
 429                                     mHostUrlInput.hasFocus()
 430                             ) {
 431                         checkOcServer();
 432                     }
 433                 }
 434                 return false;
 435             }
 436         });
 437
 438
 439         /// step 4 - mark automatic check to be started when OperationsService is ready
 440         mPendingAutoCheck = (savedInstanceState == null &&
 441                 (mAction != ACTION_CREATE || !isUrlInputAllowed));
 442     }
 443
 444
 445     /**
 446      *
 447      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 448      */
 449     private void initAuthorizationPreFragment(Bundle savedInstanceState) {
 450
 451         /// step 0 - get UI elements in layout
 452         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 453         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 454         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 455         mUsernameInput = (EditText) findViewById(R.id.account_username);
 456         mPasswordInput = (EditText) findViewById(R.id.account_password);
 457         mAuthStatusView = (TextView) findViewById(R.id.auth_status_text);
 458
 459         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 460         String presetUserName = null;
 461         boolean isPasswordExposed = false;
 462         if (savedInstanceState == null) {
 463             if (mAccount != null) {
 464                 presetUserName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 465             }
 466
 467         } else {
 468             isPasswordExposed = savedInstanceState.getBoolean(KEY_PASSWORD_EXPOSED, false);
 469             mAuthStatusText = savedInstanceState.getInt(KEY_AUTH_STATUS_TEXT);
 470             mAuthStatusIcon = savedInstanceState.getInt(KEY_AUTH_STATUS_ICON);
 471             mAuthToken = savedInstanceState.getString(KEY_AUTH_TOKEN);
 472         }
 473
 474         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 475         mOAuth2Check.setChecked(
 476                 AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType())
 477                     .equals(mAuthTokenType));
 478         if (presetUserName != null) {
 479             mUsernameInput.setText(presetUserName);
 480         }
 481         if (mAction != ACTION_CREATE) {
 482             mUsernameInput.setEnabled(false);
 483             mUsernameInput.setFocusable(false);
 484         }
 485         mPasswordInput.setText(""); // clean password to avoid social hacking
 486         if (isPasswordExposed) {
 487             showPassword();
 488         }
 489         updateAuthenticationPreFragmentVisibility();
 490         showAuthStatus();
 491         mOkButton.setEnabled(mServerIsValid);
 492
 493
 494         /// step 3 - bind listeners
 495         // bindings for password input field
 496         mPasswordInput.setOnFocusChangeListener(this);
 497         mPasswordInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
 498         mPasswordInput.setOnEditorActionListener(this);
 499         mPasswordInput.setOnTouchListener(new RightDrawableOnTouchListener() {
 500             @Override
 501             public boolean onDrawableTouch(final MotionEvent event) {
 502                 if (event.getAction() == MotionEvent.ACTION_UP) {
 503                     AuthenticatorActivity.this.onViewPasswordClick();
 504                 }
 505                 return true;
 506             }
 507         });
 508
 509     }
 510
 511
 512     /**
 513      * Changes the visibility of input elements depending on
 514      * the current authorization method.
 515      */
 516     private void updateAuthenticationPreFragmentVisibility () {
 517         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 518                 equals(mAuthTokenType)) {
 519             // SAML-based web Single Sign On
 520             mOAuth2Check.setVisibility(View.GONE);
 521             mOAuthAuthEndpointText.setVisibility(View.GONE);
 522             mOAuthTokenEndpointText.setVisibility(View.GONE);
 523             mUsernameInput.setVisibility(View.GONE);
 524             mPasswordInput.setVisibility(View.GONE);
 525
 526         } else {
 527             if (mAction == ACTION_CREATE &&
 528                     AUTH_OPTIONAL.equals(getString(R.string.auth_method_oauth2))) {
 529                 mOAuth2Check.setVisibility(View.VISIBLE);
 530             } else {
 531                 mOAuth2Check.setVisibility(View.GONE);
 532             }
 533
 534             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
 535                     equals(mAuthTokenType)) {
 536                 // OAuth 2 authorization
 537
 538                 mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
 539                 mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
 540                 mUsernameInput.setVisibility(View.GONE);
 541                 mPasswordInput.setVisibility(View.GONE);
 542
 543             } else {
 544                 // basic HTTP authorization
 545                 mOAuthAuthEndpointText.setVisibility(View.GONE);
 546                 mOAuthTokenEndpointText.setVisibility(View.GONE);
 547                 mUsernameInput.setVisibility(View.VISIBLE);
 548                 mPasswordInput.setVisibility(View.VISIBLE);
 549             }
 550         }
 551     }
 552
 553
 554
 555     /**
 556      * Saves relevant state before {@link #onPause()}
 557      *
 558      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag,
 559      * intended to defer the processing of the redirection caught in
 560      * {@link #onNewIntent(Intent)} until {@link #onResume()}
 561      *
 562      * See {@link #onSaveInstanceState(Bundle)}
 563      */
 564     @Override
 565     protected void onSaveInstanceState(Bundle outState) {
 566         //Log_OC.wtf(TAG, "onSaveInstanceState init" );
 567         super.onSaveInstanceState(outState);
 568
 569         /// global state
 570         outState.putString(KEY_AUTH_TOKEN_TYPE, mAuthTokenType);
 571         outState.putLong(KEY_WAITING_FOR_OP_ID, mWaitingForOpId);
 572
 573         /// Server PRE-fragment state
 574         outState.putInt(KEY_SERVER_STATUS_TEXT, mServerStatusText);
 575         outState.putInt(KEY_SERVER_STATUS_ICON, mServerStatusIcon);
 576         outState.putBoolean(KEY_SERVER_CHECKED, mServerIsChecked);
 577         outState.putBoolean(KEY_SERVER_VALID, mServerIsValid);
 578         outState.putBoolean(KEY_IS_SSL_CONN, mServerInfo.mIsSslConn);
 579         outState.putString(KEY_HOST_URL_TEXT, mServerInfo.mBaseUrl);
 580         if (mServerInfo.mVersion != null) {
 581             outState.putString(KEY_OC_VERSION, mServerInfo.mVersion.getVersion());
 582         }
 583         outState.putString(KEY_SERVER_AUTH_METHOD, mServerInfo.mAuthMethod.name());
 584
 585         /// Authentication PRE-fragment state
 586         outState.putBoolean(KEY_PASSWORD_EXPOSED, isPasswordVisible());
 587         outState.putInt(KEY_AUTH_STATUS_ICON, mAuthStatusIcon);
 588         outState.putInt(KEY_AUTH_STATUS_TEXT, mAuthStatusText);
 589         outState.putString(KEY_AUTH_TOKEN, mAuthToken);
 590
 591         /// authentication
 592         outState.putBoolean(KEY_AUTH_IS_FIRST_ATTEMPT_TAG, mIsFirstAuthAttempt);
 593
 594         /// AsyncTask (User and password)
 595         outState.putString(KEY_USERNAME, mUsernameInput.getText().toString());
 596         outState.putString(KEY_PASSWORD, mPasswordInput.getText().toString());
 597
 598         if (mAsyncTask != null) {
 599             mAsyncTask.cancel(true);
 600             outState.putBoolean(KEY_ASYNC_TASK_IN_PROGRESS, true);
 601         } else {
 602             outState.putBoolean(KEY_ASYNC_TASK_IN_PROGRESS, false);
 603         }
 604         mAsyncTask = null;
 605
 606         //Log_OC.wtf(TAG, "onSaveInstanceState end" );
 607     }
 608
 609     @Override
 610     public void onRestoreInstanceState(Bundle savedInstanceState) {
 611         super.onRestoreInstanceState(savedInstanceState);
 612
 613         // AsyncTask
 614         boolean inProgress = savedInstanceState.getBoolean(KEY_ASYNC_TASK_IN_PROGRESS);
 615         if (inProgress){
 616             String username = savedInstanceState.getString(KEY_USERNAME);
 617             String password = savedInstanceState.getString(KEY_PASSWORD);
 618
 619             OwnCloudCredentials credentials = null;
 620             if (BASIC_TOKEN_TYPE.equals(mAuthTokenType)) {
 621                 credentials = OwnCloudCredentialsFactory.newBasicCredentials(username, password);
 622
 623             } else if (OAUTH_TOKEN_TYPE.equals(mAuthTokenType)) {
 624                 credentials = OwnCloudCredentialsFactory.newBearerCredentials(mAuthToken);
 625
 626             }
 627             accessRootFolder(credentials);
 628         }
 629     }
 630
 631     /**
 632      * The redirection triggered by the OAuth authentication server as response to the
 633      * GET AUTHORIZATION request is caught here.
 634      *
 635      * To make this possible, this activity needs to be qualified with android:launchMode =
 636      * "singleTask" in the AndroidManifest.xml file.
 637      */
 638     @Override
 639     protected void onNewIntent (Intent intent) {
 640         Log_OC.d(TAG, "onNewIntent()");
 641         Uri data = intent.getData();
 642         if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) {
 643             mNewCapturedUriFromOAuth2Redirection = data;
 644         }
 645     }
 646
 647
 648     /**
 649      * The redirection triggered by the OAuth authentication server as response to the
 650      * GET AUTHORIZATION, and deferred in {@link #onNewIntent(Intent)}, is processed here.
 651      */
 652     @Override
 653     protected void onResume() {
 654         super.onResume();
 655
 656         // bound here to avoid spurious changes triggered by Android on device rotations
 657         mHostUrlInput.setOnFocusChangeListener(this);
 658         mHostUrlInput.addTextChangedListener(mHostUrlInputWatcher);
 659
 660         if (mNewCapturedUriFromOAuth2Redirection != null) {
 661             getOAuth2AccessTokenFromCapturedRedirection();
 662         }
 663
 664         if (mOperationsServiceBinder != null) {
 665             doOnResumeAndBound();
 666         }
 667
 668     }
 669
 670
 671     @Override
 672     protected void onPause() {
 673         if (mOperationsServiceBinder != null) {
 674             mOperationsServiceBinder.removeOperationListener(this);
 675         }
 676
 677         mHostUrlInput.removeTextChangedListener(mHostUrlInputWatcher);
 678         mHostUrlInput.setOnFocusChangeListener(null);
 679
 680         super.onPause();
 681     }
 682
 683     @Override
 684     protected void onDestroy() {
 685
 686         mHostUrlInputWatcher = null;
 687
 688         if (mOperationsServiceConnection != null) {
 689             unbindService(mOperationsServiceConnection);
 690             mOperationsServiceBinder = null;
 691         }
 692         super.onDestroy();
 693     }
 694
 695
 696     /**
 697      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 698      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 699      */
 700     private void getOAuth2AccessTokenFromCapturedRedirection() {
 701         /// Parse data from OAuth redirection
 702         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 703         mNewCapturedUriFromOAuth2Redirection = null;
 704
 705         /// Showing the dialog with instructions for the user.
 706         IndeterminateProgressDialog dialog =
 707                 IndeterminateProgressDialog.newInstance(R.string.auth_getting_authorization, true);
 708         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 709
 710         /// GET ACCESS TOKEN to the oAuth server
 711         Intent getServerInfoIntent = new Intent();
 712         getServerInfoIntent.setAction(OperationsService.ACTION_OAUTH2_GET_ACCESS_TOKEN);
 713
 714         getServerInfoIntent.putExtra(
 715                 OperationsService.EXTRA_SERVER_URL,
 716                 mOAuthTokenEndpointText.getText().toString().trim());
 717
 718         getServerInfoIntent.putExtra(
 719                 OperationsService.EXTRA_OAUTH2_QUERY_PARAMETERS,
 720                 queryParameters);
 721
 722         if (mOperationsServiceBinder != null) {
 723             //Log_OC.wtf(TAG, "getting access token..." );
 724             mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getServerInfoIntent);
 725         }
 726     }
 727
 728
 729
 730     /**
 731      * Handles the change of focus on the text inputs for the server URL and the password
 732      */
 733     public void onFocusChange(View view, boolean hasFocus) {
 734         if (view.getId() == R.id.hostUrlInput) {
 735             if (!hasFocus) {
 736                 onUrlInputFocusLost();
 737             }
 738             else {
 739                 showRefreshButton(false);
 740             }
 741
 742         } else if (view.getId() == R.id.account_password) {
 743             onPasswordFocusChanged(hasFocus);
 744         }
 745     }
 746
 747
 748     /**
 749      * Handles changes in focus on the text input for the server URL.
 750      *
 751      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 752      * other field. The operation to check the existence of the server in the entered URL is
 753      * started.
 754      *
 755      * When hasFocus:    user 'comes back' to write again the server URL.
 756      */
 757     private void onUrlInputFocusLost() {
 758         if (!mServerInfo.mBaseUrl.equals(
 759                 normalizeUrl(mHostUrlInput.getText().toString(), mServerInfo.mIsSslConn))) {
 760             // check server again only if the user changed something in the field
 761             checkOcServer();
 762         } else {
 763             mOkButton.setEnabled(mServerIsValid);
 764             showRefreshButton(!mServerIsValid);
 765         }
 766     }
 767
 768
 769     private void checkOcServer() {
 770         String uri = mHostUrlInput.getText().toString().trim();
 771         mServerIsValid = false;
 772         mServerIsChecked = false;
 773         mOkButton.setEnabled(false);
 774         mServerInfo = new GetServerInfoOperation.ServerInfo();
 775         showRefreshButton(false);
 776
 777         if (uri.length() != 0) {
 778             // Handle internationalized domain names
 779             if (!uri.startsWith(".")) {
 780                 uri = DisplayUtils.convertIdn(uri, true);
 781             }
 782             mServerStatusText = R.string.auth_testing_connection;
 783             mServerStatusIcon = R.drawable.progress_small;
 784             showServerStatus();
 785
 786             Intent getServerInfoIntent = new Intent();
 787             getServerInfoIntent.setAction(OperationsService.ACTION_GET_SERVER_INFO);
 788             getServerInfoIntent.putExtra(
 789                 OperationsService.EXTRA_SERVER_URL,
 790                 normalizeUrlSuffix(uri)
 791             );
 792             if (mOperationsServiceBinder != null) {
 793                 mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getServerInfoIntent);
 794             } else {
 795               Log_OC.wtf(TAG, "Server check tried with OperationService unbound!" );
 796             }
 797
 798         } else {
 799             mServerStatusText = 0;
 800             mServerStatusIcon = 0;
 801             showServerStatus();
 802         }
 803     }
 804
 805
 806     /**
 807      * Handles changes in focus on the text input for the password (basic authorization).
 808      *
 809      * When (hasFocus), the button to toggle password visibility is shown.
 810      *
 811      * When (!hasFocus), the button is made invisible and the password is hidden.
 812      *
 813      * @param hasFocus          'True' if focus is received, 'false' if is lost
 814      */
 815     private void onPasswordFocusChanged(boolean hasFocus) {
 816         if (hasFocus) {
 817             showViewPasswordButton();
 818         } else {
 819             hidePassword();
 820             hidePasswordButton();
 821         }
 822     }
 823
 824
 825     private void showViewPasswordButton() {
 826         int drawable = R.drawable.ic_view;
 827         if (isPasswordVisible()) {
 828             drawable = R.drawable.ic_hide;
 829         }
 830         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 831     }
 832
 833     private boolean isPasswordVisible() {
 834         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) ==
 835                 InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 836     }
 837
 838     private void hidePasswordButton() {
 839         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 840     }
 841
 842     private void showPassword() {
 843         mPasswordInput.setInputType(
 844                 InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD
 845         );
 846         showViewPasswordButton();
 847     }
 848
 849     private void hidePassword() {
 850         mPasswordInput.setInputType(
 851                 InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD
 852         );
 853         showViewPasswordButton();
 854     }
 855
 856     /**
 857      * Checks the credentials of the user in the root of the ownCloud server
 858      * before creating a new local account.
 859      *
 860      * For basic authorization, a check of existence of the root folder is
 861      * performed.
 862      *
 863      * For OAuth, starts the flow to get an access token; the credentials test
 864      * is postponed until it is available.
 865      *
 866      * IMPORTANT ENTRY POINT 4
 867      *
 868      * @param view      OK button
 869      */
 870     public void onOkClick(View view) {
 871         // this check should be unnecessary
 872         if (mServerInfo.mVersion == null ||
 873                 !mServerInfo.mVersion.isVersionValid()  ||
 874                 mServerInfo.mBaseUrl == null ||
 875                 mServerInfo.mBaseUrl.length() == 0) {
 876             mServerStatusIcon = R.drawable.common_error;
 877             mServerStatusText = R.string.auth_wtf_reenter_URL;
 878             showServerStatus();
 879             mOkButton.setEnabled(false);
 880             return;
 881         }
 882
 883         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
 884                 equals(mAuthTokenType)) {
 885
 886             startOauthorization();
 887         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 888                 equals(mAuthTokenType)) {
 889
 890             startSamlBasedFederatedSingleSignOnAuthorization();
 891         } else {
 892             checkBasicAuthorization();
 893         }
 894     }
 895
 896
 897     /**
 898      * Tests the credentials entered by the user performing a check of existence on
 899      * the root folder of the ownCloud server.
 900      */
 901     private void checkBasicAuthorization() {
 902         /// get basic credentials entered by user
 903         String username = mUsernameInput.getText().toString();
 904         String password = mPasswordInput.getText().toString();
 905
 906         /// be gentle with the user
 907         IndeterminateProgressDialog dialog =
 908                 IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
 909         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 910
 911         /// validate credentials accessing the root folder
 912         OwnCloudCredentials credentials = OwnCloudCredentialsFactory.newBasicCredentials(username, password);
 913         accessRootFolder(credentials);
 914     }
 915
 916     private void accessRootFolder(OwnCloudCredentials credentials) {
 917         mAsyncTask = new AuthenticatorAsyncTask(this);
 918         Object[] params = { mServerInfo.mBaseUrl, credentials };
 919         mAsyncTask.execute(params);
 920     }
 921
 922
 923     /**
 924      * Starts the OAuth 'grant type' flow to get an access token, with
 925      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 926      */
 927     private void startOauthorization() {
 928         // be gentle with the user
 929         mAuthStatusIcon = R.drawable.progress_small;
 930         mAuthStatusText = R.string.oauth_login_connection;
 931         showAuthStatus();
 932
 933         // GET AUTHORIZATION request
 934         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 935         Uri.Builder uriBuilder = uri.buildUpon();
 936         uriBuilder.appendQueryParameter(
 937                 OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type)
 938         );
 939         uriBuilder.appendQueryParameter(
 940                 OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri)
 941         );
 942         uriBuilder.appendQueryParameter(
 943                 OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id)
 944         );
 945         uriBuilder.appendQueryParameter(
 946                 OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope)
 947         );
 948         uri = uriBuilder.build();
 949         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 950         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 951         startActivity(i);
 952     }
 953
 954
 955     /**
 956      * Starts the Web Single Sign On flow to get access to the root folder
 957      * in the server.
 958      */
 959     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 960         /// be gentle with the user
 961         mAuthStatusIcon = R.drawable.progress_small;
 962         mAuthStatusText = R.string.auth_connecting_auth_server;
 963         showAuthStatus();
 964
 965         /// Show SAML-based SSO web dialog
 966         String targetUrl = mServerInfo.mBaseUrl
 967                 + AccountUtils.getWebdavPath(mServerInfo.mVersion, mAuthTokenType);
 968         SamlWebViewDialog dialog = SamlWebViewDialog.newInstance(targetUrl, targetUrl);
 969         dialog.show(getSupportFragmentManager(), SAML_DIALOG_TAG);
 970     }
 971
 972     /**
 973      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 974      *
 975      * Dispatches the operation flow to the right method.
 976      */
 977     @Override
 978     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 979
 980         if (operation instanceof GetServerInfoOperation) {
 981             if (operation.hashCode() == mWaitingForOpId) {
 982                 onGetServerInfoFinish(result);
 983             }   // else nothing ; only the last check operation is considered;
 984                 // multiple can be started if the user amends a URL quickly
 985
 986         } else if (operation instanceof OAuth2GetAccessToken) {
 987             onGetOAuthAccessTokenFinish(result);
 988
 989         } else if (operation instanceof GetRemoteUserNameOperation) {
 990             onGetUserNameFinish(result);
 991         }
 992
 993     }
 994
 995     private void onGetUserNameFinish(RemoteOperationResult result) {
 996         mWaitingForOpId = Long.MAX_VALUE;
 997         if (result.isSuccess()) {
 998             boolean success = false;
 999             String username = (String) result.getData().get(0);
1000
1001             if ( mAction == ACTION_CREATE) {
1002                 mUsernameInput.setText(username);
1003                 success = createAccount();
1004             } else {
1005
1006                 if (!mUsernameInput.getText().toString().equals(username)) {
1007                     // fail - not a new account, but an existing one; disallow
1008                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
1009                     mAuthToken = "";
1010                     updateAuthStatusIconAndText(result);
1011                     showAuthStatus();
1012                     Log_OC.d(TAG, result.getLogMessage());
1013                 } else {
1014                     try {
1015                         updateAccountAuthentication();
1016                         success = true;
1017
1018                     } catch (AccountNotFoundException e) {
1019                         Log_OC.e(TAG, "Account " + mAccount + " was removed!", e);
1020                         Toast.makeText(this, R.string.auth_account_does_not_exist, Toast.LENGTH_SHORT).show();
1021                         finish();
1022                     }
1023                 }
1024             }
1025
1026             if (success)
1027                 finish();
1028         } else {
1029             updateStatusIconFailUserName();
1030             showAuthStatus();
1031             Log_OC.e(TAG, "Access to user name failed: " + result.getLogMessage());
1032         }
1033
1034     }
1035
1036     /**
1037      * Processes the result of the server check performed when the user finishes the enter of the
1038      * server URL.
1039      *
1040      * @param result        Result of the check.
1041      */
1042     private void onGetServerInfoFinish(RemoteOperationResult result) {
1043         /// update activity state
1044         mServerIsChecked = true;
1045         mWaitingForOpId = Long.MAX_VALUE;
1046
1047         // update server status, but don't show it yet
1048         updateServerStatusIconAndText(result);
1049
1050         if (result.isSuccess()) {
1051             /// SUCCESS means:
1052             //      1. connection succeeded, and we know if it's SSL or not
1053             //      2. server is installed
1054             //      3. we got the server version
1055             //      4. we got the authentication method required by the server
1056             mServerInfo = (GetServerInfoOperation.ServerInfo) (result.getData().get(0));
1057
1058             if (!authSupported(mServerInfo.mAuthMethod)) {
1059
1060                 updateServerStatusIconNoRegularAuth();  // overrides updateServerStatusIconAndText()
1061                 mServerIsValid = false;
1062
1063             } else {
1064                 mServerIsValid = true;
1065             }
1066
1067         } else {
1068             mServerIsValid = false;
1069         }
1070
1071         // refresh UI
1072         showRefreshButton(!mServerIsValid);
1073         showServerStatus();
1074         mOkButton.setEnabled(mServerIsValid);
1075
1076         /// very special case (TODO: move to a common place for all the remote operations)
1077         if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1078             showUntrustedCertDialog(result);
1079         }
1080     }
1081
1082
1083     private boolean authSupported(AuthenticationMethod authMethod) {
1084         return (( BASIC_TOKEN_TYPE.equals(mAuthTokenType) &&
1085                     AuthenticationMethod.BASIC_HTTP_AUTH.equals(authMethod) ) ||
1086                 ( OAUTH_TOKEN_TYPE.equals(mAuthTokenType) &&
1087                     AuthenticationMethod.BEARER_TOKEN.equals(authMethod)) ||
1088                 ( SAML_TOKEN_TYPE.equals(mAuthTokenType)  &&
1089                     AuthenticationMethod.SAML_WEB_SSO.equals(authMethod))
1090         );
1091     }
1092
1093
1094     // TODO remove, if possible
1095     private String normalizeUrl(String url, boolean sslWhenUnprefixed) {
1096         if (url != null && url.length() > 0) {
1097             url = url.trim();
1098             if (!url.toLowerCase().startsWith("http://") &&
1099                     !url.toLowerCase().startsWith("https://")) {
1100                 if (sslWhenUnprefixed) {
1101                     url = "https://" + url;
1102                 } else {
1103                     url = "http://" + url;
1104                 }
1105             }
1106
1107             url = normalizeUrlSuffix(url);
1108         }
1109         return (url != null ? url : "");
1110     }
1111
1112
1113     private String normalizeUrlSuffix(String url) {
1114         if (url.endsWith("/")) {
1115             url = url.substring(0, url.length() - 1);
1116         }
1117         url = trimUrlWebdav(url);
1118         return url;
1119     }
1120
1121
1122     // TODO remove, if possible
1123     private String trimUrlWebdav(String url){
1124         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){
1125             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length());
1126         } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){
1127             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length());
1128         } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){
1129             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length());
1130         }
1131         return (url != null ? url : "");
1132     }
1133
1134
1135     /**
1136      * Chooses the right icon and text to show to the user for the received operation result.
1137      *
1138      * @param result    Result of a remote operation performed in this activity
1139      */
1140     private void updateServerStatusIconAndText(RemoteOperationResult result) {
1141         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1142
1143         switch (result.getCode()) {
1144         case OK_SSL:
1145             mServerStatusIcon = android.R.drawable.ic_secure;
1146             mServerStatusText = R.string.auth_secure_connection;
1147             break;
1148
1149         case OK_NO_SSL:
1150         case OK:
1151             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1152                 mServerStatusText = R.string.auth_connection_established;
1153                 mServerStatusIcon = R.drawable.ic_ok;
1154             } else {
1155                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1156                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
1157             }
1158             break;
1159
1160         case NO_NETWORK_CONNECTION:
1161             mServerStatusIcon = R.drawable.no_network;
1162             mServerStatusText = R.string.auth_no_net_conn_title;
1163             break;
1164
1165         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1166             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1167             break;
1168         case BAD_OC_VERSION:
1169             mServerStatusText = R.string.auth_bad_oc_version_title;
1170             break;
1171         case WRONG_CONNECTION:
1172             mServerStatusText = R.string.auth_wrong_connection_title;
1173             break;
1174         case TIMEOUT:
1175             mServerStatusText = R.string.auth_timeout_title;
1176             break;
1177         case INCORRECT_ADDRESS:
1178             mServerStatusText = R.string.auth_incorrect_address_title;
1179             break;
1180         case SSL_ERROR:
1181             mServerStatusText = R.string.auth_ssl_general_error_title;
1182             break;
1183         case UNAUTHORIZED:
1184             mServerStatusText = R.string.auth_unauthorized;
1185             break;
1186         case HOST_NOT_AVAILABLE:
1187             mServerStatusText = R.string.auth_unknown_host_title;
1188             break;
1189         case INSTANCE_NOT_CONFIGURED:
1190             mServerStatusText = R.string.auth_not_configured_title;
1191             break;
1192         case FILE_NOT_FOUND:
1193             mServerStatusText = R.string.auth_incorrect_path_title;
1194             break;
1195         case OAUTH2_ERROR:
1196             mServerStatusText = R.string.auth_oauth_error;
1197             break;
1198         case OAUTH2_ERROR_ACCESS_DENIED:
1199             mServerStatusText = R.string.auth_oauth_error_access_denied;
1200             break;
1201         case UNHANDLED_HTTP_CODE:
1202         case UNKNOWN_ERROR:
1203             mServerStatusText = R.string.auth_unknown_error_title;
1204             break;
1205         case OK_REDIRECT_TO_NON_SECURE_CONNECTION:
1206             mServerStatusIcon = android.R.drawable.ic_partial_secure;
1207             mServerStatusText = R.string.auth_redirect_non_secure_connection_title;
1208             break;
1209         default:
1210             mServerStatusText = 0;
1211             mServerStatusIcon = 0;
1212         }
1213     }
1214
1215
1216     /**
1217      * Chooses the right icon and text to show to the user for the received operation result.
1218      *
1219      * @param result    Result of a remote operation performed in this activity
1220      */
1221     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1222         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1223
1224         switch (result.getCode()) {
1225         case OK_SSL:
1226             mAuthStatusIcon = android.R.drawable.ic_secure;
1227             mAuthStatusText = R.string.auth_secure_connection;
1228             break;
1229
1230         case OK_NO_SSL:
1231         case OK:
1232             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1233                 mAuthStatusText = R.string.auth_connection_established;
1234                 mAuthStatusIcon = R.drawable.ic_ok;
1235             } else {
1236                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1237                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
1238             }
1239             break;
1240
1241         case NO_NETWORK_CONNECTION:
1242             mAuthStatusIcon = R.drawable.no_network;
1243             mAuthStatusText = R.string.auth_no_net_conn_title;
1244             break;
1245
1246         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1247             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1248             break;
1249         case BAD_OC_VERSION:
1250             mAuthStatusText = R.string.auth_bad_oc_version_title;
1251             break;
1252         case WRONG_CONNECTION:
1253             mAuthStatusText = R.string.auth_wrong_connection_title;
1254             break;
1255         case TIMEOUT:
1256             mAuthStatusText = R.string.auth_timeout_title;
1257             break;
1258         case INCORRECT_ADDRESS:
1259             mAuthStatusText = R.string.auth_incorrect_address_title;
1260             break;
1261         case SSL_ERROR:
1262             mAuthStatusText = R.string.auth_ssl_general_error_title;
1263             break;
1264         case UNAUTHORIZED:
1265             mAuthStatusText = R.string.auth_unauthorized;
1266             break;
1267         case HOST_NOT_AVAILABLE:
1268             mAuthStatusText = R.string.auth_unknown_host_title;
1269             break;
1270         case INSTANCE_NOT_CONFIGURED:
1271             mAuthStatusText = R.string.auth_not_configured_title;
1272             break;
1273         case FILE_NOT_FOUND:
1274             mAuthStatusText = R.string.auth_incorrect_path_title;
1275             break;
1276         case OAUTH2_ERROR:
1277             mAuthStatusText = R.string.auth_oauth_error;
1278             break;
1279         case OAUTH2_ERROR_ACCESS_DENIED:
1280             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1281             break;
1282         case ACCOUNT_NOT_NEW:
1283             mAuthStatusText = R.string.auth_account_not_new;
1284             break;
1285         case ACCOUNT_NOT_THE_SAME:
1286             mAuthStatusText = R.string.auth_account_not_the_same;
1287             break;
1288         case UNHANDLED_HTTP_CODE:
1289         case UNKNOWN_ERROR:
1290             mAuthStatusText = R.string.auth_unknown_error_title;
1291             break;
1292         default:
1293             mAuthStatusText = 0;
1294             mAuthStatusIcon = 0;
1295         }
1296     }
1297
1298
1299     private void updateStatusIconFailUserName(){
1300         mAuthStatusIcon = R.drawable.common_error;
1301         mAuthStatusText = R.string.auth_fail_get_user_name;
1302     }
1303
1304     private void updateServerStatusIconNoRegularAuth(){
1305         mServerStatusIcon = R.drawable.common_error;
1306         mServerStatusText = R.string.auth_can_not_auth_against_server;
1307     }
1308
1309     /**
1310      * Processes the result of the request for and access token send
1311      * to an OAuth authorization server.
1312      *
1313      * @param result        Result of the operation.
1314      */
1315     private void onGetOAuthAccessTokenFinish(RemoteOperationResult result) {
1316         mWaitingForOpId = Long.MAX_VALUE;
1317         dismissDialog(WAIT_DIALOG_TAG);
1318
1319         if (result.isSuccess()) {
1320             /// be gentle with the user
1321             IndeterminateProgressDialog dialog =
1322                     IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
1323             dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
1324
1325             /// time to test the retrieved access token on the ownCloud server
1326             @SuppressWarnings("unchecked")
1327             Map<String, String> tokens = (Map<String, String>)(result.getData().get(0));
1328             mAuthToken = tokens.get(OAuth2Constants.KEY_ACCESS_TOKEN);
1329             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1330
1331             /// validate token accessing to root folder / getting session
1332             OwnCloudCredentials credentials = OwnCloudCredentialsFactory.newBearerCredentials(mAuthToken);
1333             accessRootFolder(credentials);
1334
1335         } else {
1336             updateAuthStatusIconAndText(result);
1337             showAuthStatus();
1338             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1339         }
1340     }
1341
1342
1343     /**
1344      * Processes the result of the access check performed to try the user credentials.
1345      *
1346      * Creates a new account through the AccountManager.
1347      *
1348      * @param result        Result of the operation.
1349      */
1350     @Override
1351     public void onAuthenticatorTaskCallback(RemoteOperationResult result) {
1352         mWaitingForOpId = Long.MAX_VALUE;
1353         dismissDialog(WAIT_DIALOG_TAG);
1354
1355         if (result.isSuccess()) {
1356             Log_OC.d(TAG, "Successful access - time to save the account");
1357
1358             boolean success = false;
1359             if (mAction == ACTION_CREATE) {
1360                 success = createAccount();
1361
1362             } else {
1363                 try {
1364                     updateAccountAuthentication();
1365                     success = true;
1366
1367                 } catch (AccountNotFoundException e) {
1368                     Log_OC.e(TAG, "Account " + mAccount + " was removed!", e);
1369                     Toast.makeText(this, R.string.auth_account_does_not_exist, Toast.LENGTH_SHORT).show();
1370                     finish();
1371                 }
1372             }
1373
1374             if (success) {
1375                 finish();
1376             }
1377
1378         } else if (result.isServerFail() || result.isException()) {
1379             /// server errors or exceptions in authorization take to requiring a new check of
1380             /// the server
1381             mServerIsChecked = true;
1382             mServerIsValid = false;
1383             mServerInfo = new GetServerInfoOperation.ServerInfo();
1384
1385             // update status icon and text
1386             updateServerStatusIconAndText(result);
1387             showServerStatus();
1388             mAuthStatusIcon = 0;
1389             mAuthStatusText = 0;
1390             showAuthStatus();
1391
1392             // update input controls state
1393             showRefreshButton(true);
1394             mOkButton.setEnabled(false);
1395
1396             // very special case (TODO: move to a common place for all the remote operations)
1397             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1398                 showUntrustedCertDialog(result);
1399             }
1400
1401         } else {    // authorization fail due to client side - probably wrong credentials
1402             updateAuthStatusIconAndText(result);
1403             showAuthStatus();
1404             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1405         }
1406     }
1407
1408
1409
1410
1411     /**
1412      * Updates the authentication token.
1413      *
1414      * Sets the proper response so that the AccountAuthenticator that started this activity
1415      * saves a new authorization token for mAccount.
1416      *
1417      * Kills the session kept by OwnCloudClientManager so that a new one will created with
1418      * the new credentials when needed.
1419      */
1420     private void updateAccountAuthentication() throws AccountNotFoundException {
1421
1422         Bundle response = new Bundle();
1423         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1424         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1425
1426         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
1427                 equals(mAuthTokenType)) {
1428             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1429             // the next line is necessary, notifications are calling directly to the
1430             // AuthenticatorActivity to update, without AccountManager intervention
1431             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1432
1433         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1434                 equals(mAuthTokenType)) {
1435
1436             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1437             // the next line is necessary; by now, notifications are calling directly to the
1438             // AuthenticatorActivity to update, without AccountManager intervention
1439             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1440
1441         } else {
1442             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1443             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1444         }
1445         setAccountAuthenticatorResult(response);
1446
1447     }
1448
1449
1450     /**
1451      * Creates a new account through the Account Authenticator that started this activity.
1452      *
1453      * This makes the account permanent.
1454      *
1455      * TODO Decide how to name the OAuth accounts
1456      */
1457     private boolean createAccount() {
1458         /// create and save new ownCloud account
1459         boolean isOAuth = AccountTypeUtils.
1460                 getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1461         boolean isSaml =  AccountTypeUtils.
1462                 getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1463
1464         Uri uri = Uri.parse(mServerInfo.mBaseUrl);
1465         String username = mUsernameInput.getText().toString().trim();
1466         if (isOAuth) {
1467             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1468         }
1469         String accountName = com.owncloud.android.lib.common.accounts.AccountUtils.
1470                 buildAccountName(uri, username);
1471         Account newAccount = new Account(accountName, MainApp.getAccountType());
1472         if (AccountUtils.exists(newAccount, getApplicationContext())) {
1473             // fail - not a new account, but an existing one; disallow
1474             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1475             updateAuthStatusIconAndText(result);
1476             showAuthStatus();
1477             Log_OC.d(TAG, result.getLogMessage());
1478             return false;
1479
1480         } else {
1481             mAccount = newAccount;
1482
1483             if (isOAuth || isSaml) {
1484                 // with external authorizations, the password is never input in the app
1485                 mAccountMgr.addAccountExplicitly(mAccount, "", null);
1486             } else {
1487                 mAccountMgr.addAccountExplicitly(
1488                         mAccount, mPasswordInput.getText().toString(), null
1489                 );
1490             }
1491
1492             /// add the new account as default in preferences, if there is none already
1493             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1494             if (defaultAccount == null) {
1495                 SharedPreferences.Editor editor = PreferenceManager
1496                         .getDefaultSharedPreferences(this).edit();
1497                 editor.putString("select_oc_account", accountName);
1498                 editor.commit();
1499             }
1500
1501             /// prepare result to return to the Authenticator
1502             //  TODO check again what the Authenticator makes with it; probably has the same
1503             //  effect as addAccountExplicitly, but it's not well done
1504             final Intent intent = new Intent();
1505             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1506             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1507             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1508             if (isOAuth || isSaml) {
1509                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1510             }
1511             /// add user data to the new account; TODO probably can be done in the last parameter
1512             //      addAccountExplicitly, or in KEY_USERDATA
1513             mAccountMgr.setUserData(
1514                     mAccount, Constants.KEY_OC_VERSION,    mServerInfo.mVersion.getVersion()
1515             );
1516             mAccountMgr.setUserData(
1517                     mAccount, Constants.KEY_OC_BASE_URL,   mServerInfo.mBaseUrl
1518             );
1519
1520             if (isSaml) {
1521                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1522             } else if (isOAuth) {
1523                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1524             }
1525
1526             setAccountAuthenticatorResult(intent.getExtras());
1527             setResult(RESULT_OK, intent);
1528
1529             return true;
1530         }
1531     }
1532
1533
1534     /**
1535      * Starts and activity to open the 'new account' page in the ownCloud web site
1536      *
1537      * @param view      'Account register' button
1538      */
1539     public void onRegisterClick(View view) {
1540         Intent register = new Intent(
1541                 Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url))
1542         );
1543         setResult(RESULT_CANCELED);
1544         startActivity(register);
1545     }
1546
1547
1548     /**
1549      * Updates the content and visibility state of the icon and text associated
1550      * to the last check on the ownCloud server.
1551      *
1552      */
1553     private void showServerStatus() {
1554         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1555             mServerStatusView.setVisibility(View.INVISIBLE);
1556
1557         } else {
1558             mServerStatusView.setText(mServerStatusText);
1559             mServerStatusView.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1560             mServerStatusView.setVisibility(View.VISIBLE);
1561         }
1562
1563     }
1564
1565
1566     /**
1567      * Updates the content and visibility state of the icon and text associated
1568      * to the interactions with the OAuth authorization server.
1569      */
1570     private void showAuthStatus() {
1571         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1572             mAuthStatusView.setVisibility(View.INVISIBLE);
1573
1574         } else {
1575             mAuthStatusView.setText(mAuthStatusText);
1576             mAuthStatusView.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1577             mAuthStatusView.setVisibility(View.VISIBLE);
1578         }
1579     }
1580
1581
1582     private void showRefreshButton (boolean show) {
1583         if (show)  {
1584             mRefreshButton.setVisibility(View.VISIBLE);
1585         } else {
1586             mRefreshButton.setVisibility(View.GONE);
1587         }
1588     }
1589
1590     /**
1591      * Called when the refresh button in the input field for ownCloud host is clicked.
1592      *
1593      * Performs a new check on the URL in the input field.
1594      *
1595      * @param view      Refresh 'button'
1596      */
1597     public void onRefreshClick(View view) {
1598         checkOcServer();
1599     }
1600
1601
1602     /**
1603      * Called when the eye icon in the password field is clicked.
1604      *
1605      * Toggles the visibility of the password in the field.
1606      */
1607     public void onViewPasswordClick() {
1608         int selectionStart = mPasswordInput.getSelectionStart();
1609         int selectionEnd = mPasswordInput.getSelectionEnd();
1610         if (isPasswordVisible()) {
1611             hidePassword();
1612         } else {
1613             showPassword();
1614         }
1615         mPasswordInput.setSelection(selectionStart, selectionEnd);
1616     }
1617
1618
1619     /**
1620      * Called when the checkbox for OAuth authorization is clicked.
1621      *
1622      * Hides or shows the input fields for user & password.
1623      *
1624      * @param view      'View password' 'button'
1625      */
1626     public void onCheckClick(View view) {
1627         CheckBox oAuth2Check = (CheckBox)view;
1628         if (oAuth2Check.isChecked()) {
1629             mAuthTokenType = OAUTH_TOKEN_TYPE;
1630         } else {
1631             mAuthTokenType = BASIC_TOKEN_TYPE;
1632         }
1633         updateAuthenticationPreFragmentVisibility();
1634     }
1635
1636
1637     /**
1638      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1639      *
1640      *  Used to trigger the authentication check when the user presses 'enter' after writing the
1641      *  password, or to throw the server test when the only field on screen is the URL input field.
1642      */
1643     @Override
1644     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1645         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null &&
1646                 inputField.equals(mPasswordInput)) {
1647             if (mOkButton.isEnabled()) {
1648                 mOkButton.performClick();
1649             }
1650
1651         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null &&
1652                 inputField.equals(mHostUrlInput)) {
1653             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1654                     equals(mAuthTokenType)) {
1655                 checkOcServer();
1656             }
1657         }
1658         return false;   // always return false to grant that the software keyboard is hidden anyway
1659     }
1660
1661
1662     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1663
1664         private int fuzz = 75;
1665
1666         /**
1667          * {@inheritDoc}
1668          */
1669         @Override
1670         public boolean onTouch(View view, MotionEvent event) {
1671             Drawable rightDrawable = null;
1672             if (view instanceof TextView) {
1673                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1674                 if (drawables.length > 2) {
1675                     rightDrawable = drawables[2];
1676                 }
1677             }
1678             if (rightDrawable != null) {
1679                 final int x = (int) event.getX();
1680                 final int y = (int) event.getY();
1681                 final Rect bounds = rightDrawable.getBounds();
1682                 if (    x >= (view.getRight() - bounds.width() - fuzz) &&
1683                         x <= (view.getRight() - view.getPaddingRight() + fuzz) &&
1684                         y >= (view.getPaddingTop() - fuzz) &&
1685                         y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1686
1687                     return onDrawableTouch(event);
1688                 }
1689             }
1690             return false;
1691         }
1692
1693         public abstract boolean onDrawableTouch(final MotionEvent event);
1694     }
1695
1696
1697     private void getRemoteUserNameOperation(String sessionCookie, boolean followRedirects) {
1698
1699         Intent getUserNameIntent = new Intent();
1700         getUserNameIntent.setAction(OperationsService.ACTION_GET_USER_NAME);
1701         getUserNameIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mServerInfo.mBaseUrl);
1702         getUserNameIntent.putExtra(OperationsService.EXTRA_COOKIE, sessionCookie);
1703
1704         if (mOperationsServiceBinder != null) {
1705             mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getUserNameIntent);
1706         }
1707     }
1708
1709
1710     @Override
1711     public void onSsoFinished(String sessionCookie) {
1712         if (sessionCookie != null && sessionCookie.length() > 0) {
1713             Log_OC.d(TAG, "Successful SSO - time to save the account");
1714             mAuthToken = sessionCookie;
1715             getRemoteUserNameOperation(sessionCookie, true);
1716             Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1717             if (fd != null && fd instanceof SherlockDialogFragment) {
1718                 Dialog d = ((SherlockDialogFragment)fd).getDialog();
1719                 if (d != null && d.isShowing()) {
1720                     d.dismiss();
1721                 }
1722             }
1723
1724         } else {
1725             // TODO - show fail
1726             Log_OC.d(TAG, "SSO failed");
1727         }
1728
1729     }
1730
1731     @Override
1732     public boolean onTouchEvent(MotionEvent event) {
1733         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1734                 equals(mAuthTokenType) &&
1735                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1736             checkOcServer();
1737         }
1738         return super.onTouchEvent(event);
1739     }
1740
1741
1742     /**
1743      * Show untrusted cert dialog
1744      */
1745     public void showUntrustedCertDialog(
1746             X509Certificate x509Certificate, SslError error, SslErrorHandler handler
1747         ) {
1748         // Show a dialog with the certificate info
1749         SslUntrustedCertDialog dialog = null;
1750         if (x509Certificate == null) {
1751             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
1752         } else {
1753             dialog = SslUntrustedCertDialog.
1754                     newInstanceForFullSslError(x509Certificate, error, handler);
1755         }
1756         FragmentManager fm = getSupportFragmentManager();
1757         FragmentTransaction ft = fm.beginTransaction();
1758         ft.addToBackStack(null);
1759         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1760     }
1761
1762
1763     /**
1764      * Show untrusted cert dialog
1765      */
1766     private void showUntrustedCertDialog(RemoteOperationResult result) {
1767         // Show a dialog with the certificate info
1768         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.
1769                 newInstanceForFullSslError((CertificateCombinedException)result.getException());
1770         FragmentManager fm = getSupportFragmentManager();
1771         FragmentTransaction ft = fm.beginTransaction();
1772         ft.addToBackStack(null);
1773         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1774
1775     }
1776
1777     /**
1778      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1779      */
1780     public void onSavedCertificate() {
1781         Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1782         if (fd == null) {
1783             // if SAML dialog is not shown,
1784             // the SslDialog was shown due to an SSL error in the server check
1785             checkOcServer();
1786         }
1787     }
1788
1789     /**
1790      * Called from SslValidatorDialog when a new server certificate could not be saved
1791      * when the user requested it.
1792      */
1793     @Override
1794     public void onFailedSavingCertificate() {
1795         dismissDialog(SAML_DIALOG_TAG);
1796         Toast.makeText(this, R.string.ssl_validator_not_saved, Toast.LENGTH_LONG).show();
1797     }
1798
1799     @Override
1800     public void onCancelCertificate() {
1801         dismissDialog(SAML_DIALOG_TAG);
1802     }
1803
1804
1805     private void doOnResumeAndBound() {
1806         //Log_OC.wtf(TAG, "registering to listen for operation callbacks" );
1807         mOperationsServiceBinder.addOperationListener(AuthenticatorActivity.this, mHandler);
1808         if (mWaitingForOpId <= Integer.MAX_VALUE) {
1809             mOperationsServiceBinder.dispatchResultIfFinished((int)mWaitingForOpId, this);
1810         }
1811
1812         if (mPendingAutoCheck) {
1813             checkOcServer();
1814         }
1815     }
1816
1817
1818     private void dismissDialog(String dialogTag){
1819         Fragment frag = getSupportFragmentManager().findFragmentByTag(dialogTag);
1820         if (frag != null && frag instanceof SherlockDialogFragment) {
1821             SherlockDialogFragment dialog = (SherlockDialogFragment) frag;
1822             dialog.dismiss();
1823         }
1824     }
1825
1826
1827     /**
1828      * Implements callback methods for service binding.
1829      */
1830     private class OperationsServiceConnection implements ServiceConnection {
1831
1832         @Override
1833         public void onServiceConnected(ComponentName component, IBinder service) {
1834             if (component.equals(
1835                     new ComponentName(AuthenticatorActivity.this, OperationsService.class)
1836                 )) {
1837                 mOperationsServiceBinder = (OperationsServiceBinder) service;
1838
1839                 doOnResumeAndBound();
1840
1841             } else {
1842                 return;
1843             }
1844
1845         }
1846
1847         @Override
1848         public void onServiceDisconnected(ComponentName component) {
1849             if (component.equals(
1850                     new ComponentName(AuthenticatorActivity.this, OperationsService.class)
1851                 )) {
1852                 Log_OC.e(TAG, "Operations service crashed");
1853                 mOperationsServiceBinder = null;
1854             }
1855         }
1856
1857     }
1858
1859     /**
1860      * Create and show dialog for request authentication to the user
1861      * @param webView
1862      * @param handler
1863      */
1864     public void createAuthenticationDialog(WebView webView, HttpAuthHandler handler) {
1865
1866         // Show a dialog with the certificate info
1867         CredentialsDialogFragment dialog =
1868                 CredentialsDialogFragment.newInstanceForCredentials(webView, handler);
1869         FragmentManager fm = getSupportFragmentManager();
1870         FragmentTransaction ft = fm.beginTransaction();
1871         ft.addToBackStack(null);
1872         dialog.setCancelable(false);
1873         dialog.show(ft, CREDENTIALS_DIALOG_TAG);
1874
1875         if (!mIsFirstAuthAttempt) {
1876             Toast.makeText(
1877                     getApplicationContext(),
1878                     getText(R.string.saml_authentication_wrong_pass),
1879                     Toast.LENGTH_LONG
1880             ).show();
1881         } else {
1882             mIsFirstAuthAttempt = false;
1883         }
1884     }
1885
1886     /**
1887      * For retrieving the clicking on authentication cancel button
1888      */
1889     public void doNegativeAuthenticatioDialogClick(){
1890         mIsFirstAuthAttempt = true;
1891     }
1892
1893
1894 }