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 android.accounts.Account;
  27 import android.accounts.AccountManager;
  28 import android.app.Dialog;
  29 import android.content.ComponentName;
  30 import android.content.Context;
  31 import android.content.Intent;
  32 import android.content.ServiceConnection;
  33 import android.content.SharedPreferences;
  34 import android.graphics.Rect;
  35 import android.graphics.drawable.Drawable;
  36 import android.net.Uri;
  37 import android.net.http.SslError;
  38 import android.os.Bundle;
  39 import android.os.Handler;
  40 import android.os.IBinder;
  41 import android.preference.PreferenceManager;
  42 import android.support.v4.app.DialogFragment;
  43 import android.support.v4.app.Fragment;
  44 import android.support.v4.app.FragmentManager;
  45 import android.support.v4.app.FragmentTransaction;
  46 import android.text.Editable;
  47 import android.text.InputType;
  48 import android.text.TextWatcher;
  49 import android.view.KeyEvent;
  50 import android.view.MotionEvent;
  51 import android.view.View;
  52 import android.view.View.OnFocusChangeListener;
  53 import android.view.View.OnTouchListener;
  54 import android.view.inputmethod.EditorInfo;
  55 import android.webkit.HttpAuthHandler;
  56 import android.webkit.SslErrorHandler;
  57 import android.webkit.WebView;
  58 import android.widget.Button;
  59 import android.widget.CheckBox;
  60 import android.widget.EditText;
  61 import android.widget.TextView;
  62 import android.widget.TextView.OnEditorActionListener;
  63 import android.widget.Toast;
  64
  65 import com.owncloud.android.MainApp;
  66 import com.owncloud.android.R;
  67 import com.owncloud.android.authentication.SsoWebViewClient.SsoWebViewClientListener;
  68 import com.owncloud.android.lib.common.OwnCloudCredentials;
  69 import com.owncloud.android.lib.common.OwnCloudCredentialsFactory;
  70 import com.owncloud.android.lib.common.accounts.AccountTypeUtils;
  71 import com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException;
  72 import com.owncloud.android.lib.common.accounts.AccountUtils.Constants;
  73 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  74 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  75 import com.owncloud.android.lib.common.operations.RemoteOperation;
  76 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  77 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  78 import com.owncloud.android.lib.common.utils.Log_OC;
  79 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  80 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  81 import com.owncloud.android.operations.DetectAuthenticationMethodOperation.AuthenticationMethod;
  82 import com.owncloud.android.operations.GetServerInfoOperation;
  83 import com.owncloud.android.operations.OAuth2GetAccessToken;
  84 import com.owncloud.android.services.OperationsService;
  85 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  86 import com.owncloud.android.ui.dialog.CredentialsDialogFragment;
  87 import com.owncloud.android.ui.dialog.IndeterminateProgressDialog;
  88 import com.owncloud.android.ui.dialog.SamlWebViewDialog;
  89 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  90 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  91 import com.owncloud.android.utils.DisplayUtils;
  92
  93 import java.security.cert.X509Certificate;
  94 import java.util.Map;
  95
  96 /**
  97  * This Activity is used to add an ownCloud account to the App
  98  */
  99 public class AuthenticatorActivity extends AccountAuthenticatorActivity
 100         implements  OnRemoteOperationListener, OnFocusChangeListener, OnEditorActionListener,
 101         SsoWebViewClientListener, OnSslUntrustedCertListener,
 102         AuthenticatorAsyncTask.OnAuthenticatorTaskListener {
 103
 104     private static final String TAG = AuthenticatorActivity.class.getSimpleName();
 105
 106     public static final String EXTRA_ACTION = "ACTION";
 107     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 108
 109     private static final String KEY_AUTH_TOKEN_TYPE = "AUTH_TOKEN_TYPE";
 110
 111     private static final String KEY_HOST_URL_TEXT = "HOST_URL_TEXT";
 112     private static final String KEY_OC_VERSION = "OC_VERSION";
 113     private static final String KEY_SERVER_VALID = "SERVER_VALID";
 114     private static final String KEY_SERVER_CHECKED = "SERVER_CHECKED";
 115     private static final String KEY_SERVER_STATUS_TEXT = "SERVER_STATUS_TEXT";
 116     private static final String KEY_SERVER_STATUS_ICON = "SERVER_STATUS_ICON";
 117     private static final String KEY_IS_SSL_CONN = "IS_SSL_CONN";
 118     private static final String KEY_PASSWORD_EXPOSED = "PASSWORD_VISIBLE";
 119     private static final String KEY_AUTH_STATUS_TEXT = "AUTH_STATUS_TEXT";
 120     private static final String KEY_AUTH_STATUS_ICON = "AUTH_STATUS_ICON";
 121     private static final String KEY_SERVER_AUTH_METHOD = "SERVER_AUTH_METHOD";
 122     private static final String KEY_WAITING_FOR_OP_ID = "WAITING_FOR_OP_ID";
 123     private static final String KEY_AUTH_TOKEN = "AUTH_TOKEN";
 124
 125     private static final String AUTH_ON = "on";
 126     private static final String AUTH_OPTIONAL = "optional";
 127
 128     public static final byte ACTION_CREATE = 0;
 129     public static final byte ACTION_UPDATE_TOKEN = 1;               // requested by the user
 130     public static final byte ACTION_UPDATE_EXPIRED_TOKEN = 2;       // detected by the app
 131
 132     private static final String UNTRUSTED_CERT_DIALOG_TAG = "UNTRUSTED_CERT_DIALOG";
 133     private static final String SAML_DIALOG_TAG = "SAML_DIALOG";
 134     private static final String WAIT_DIALOG_TAG = "WAIT_DIALOG";
 135     private static final String CREDENTIALS_DIALOG_TAG = "CREDENTIALS_DIALOG";
 136     private static final String KEY_AUTH_IS_FIRST_ATTEMPT_TAG = "KEY_AUTH_IS_FIRST_ATTEMPT";
 137
 138     private static final String KEY_USERNAME = "USERNAME";
 139     private static final String KEY_PASSWORD = "PASSWORD";
 140     private static final String KEY_ASYNC_TASK_IN_PROGRESS = "AUTH_IN_PROGRESS";
 141
 142     /// parameters from EXTRAs in starter Intent
 143     private byte mAction;
 144     private Account mAccount;
 145     private String mAuthTokenType;
 146
 147
 148     /// activity-level references / state
 149     private final Handler mHandler = new Handler();
 150     private ServiceConnection mOperationsServiceConnection = null;
 151     private OperationsServiceBinder mOperationsServiceBinder = null;
 152     private AccountManager mAccountMgr;
 153     private Uri mNewCapturedUriFromOAuth2Redirection;
 154
 155
 156     /// Server PRE-Fragment elements
 157     private EditText mHostUrlInput;
 158     private View mRefreshButton;
 159     private TextView mServerStatusView;
 160
 161     private TextWatcher mHostUrlInputWatcher;
 162     private int mServerStatusText = 0, mServerStatusIcon = 0;
 163
 164     private boolean mServerIsChecked = false;
 165     private boolean mServerIsValid = false;
 166     private boolean mPendingAutoCheck = false;
 167
 168     private GetServerInfoOperation.ServerInfo mServerInfo =
 169             new GetServerInfoOperation.ServerInfo();
 170
 171
 172     /// Authentication PRE-Fragment elements
 173     private CheckBox mOAuth2Check;
 174     private TextView mOAuthAuthEndpointText;
 175     private TextView mOAuthTokenEndpointText;
 176     private EditText mUsernameInput;
 177     private EditText mPasswordInput;
 178     private View mOkButton;
 179     private View mCenteredRefreshButton;
 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(
 193             MainApp.getAccountType());
 194     private final String OAUTH_TOKEN_TYPE = AccountTypeUtils.getAuthTokenTypeAccessToken(
 195             MainApp.getAccountType());
 196     private final String SAML_TOKEN_TYPE =
 197             AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 198
 199
 200     /**
 201      * {@inheritDoc}
 202      *
 203      * IMPORTANT ENTRY POINT 1: activity is shown to the user
 204      */
 205     @Override
 206     protected void onCreate(Bundle savedInstanceState) {
 207         //Log_OC.wtf(TAG,  "onCreate init");
 208         super.onCreate(savedInstanceState);
 209
 210         // Workaround, for fixing a problem with Android Library Suppor v7 19
 211         //getWindow().requestFeature(Window.FEATURE_NO_TITLE);
 212         if (getSupportActionBar() != null) {
 213             getSupportActionBar().hide();
 214
 215             getSupportActionBar().setDisplayHomeAsUpEnabled(false);
 216             getSupportActionBar().setDisplayShowHomeEnabled(false);
 217             getSupportActionBar().setDisplayShowTitleEnabled(false);
 218         }
 219
 220         mIsFirstAuthAttempt = true;
 221
 222         // bind to Operations Service
 223         mOperationsServiceConnection = new OperationsServiceConnection();
 224         if (!bindService(new Intent(this, OperationsService.class),
 225                 mOperationsServiceConnection,
 226                 Context.BIND_AUTO_CREATE)) {
 227             Toast.makeText(this,
 228                     R.string.error_cant_bind_to_operations_service,
 229                     Toast.LENGTH_LONG)
 230                         .show();
 231             finish();
 232         }
 233
 234         /// init activity state
 235         mAccountMgr = AccountManager.get(this);
 236         mNewCapturedUriFromOAuth2Redirection = null;
 237
 238         /// get input values
 239         mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE);
 240         mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 241         if (savedInstanceState == null) {
 242             initAuthTokenType();
 243         } else {
 244             mAuthTokenType = savedInstanceState.getString(KEY_AUTH_TOKEN_TYPE);
 245             mWaitingForOpId = savedInstanceState.getLong(KEY_WAITING_FOR_OP_ID);
 246             mIsFirstAuthAttempt = savedInstanceState.getBoolean(KEY_AUTH_IS_FIRST_ATTEMPT_TAG);
 247         }
 248
 249         /// load user interface
 250         setContentView(R.layout.account_setup);
 251
 252         /// initialize general UI elements
 253         initOverallUi();
 254
 255         mOkButton = findViewById(R.id.buttonOK);
 256         mOkButton.setOnClickListener(new View.OnClickListener() {
 257
 258             @Override
 259             public void onClick(View v) {
 260                 onOkClick();
 261             }
 262         });
 263
 264         mCenteredRefreshButton = findViewById(R.id.centeredRefreshButton);
 265         mCenteredRefreshButton.setOnClickListener(new View.OnClickListener() {
 266
 267             @Override
 268             public void onClick(View v) {
 269                 checkOcServer();
 270             }
 271         });
 272
 273
 274         /// initialize block to be moved to single Fragment to check server and get info about it
 275         initServerPreFragment(savedInstanceState);
 276
 277         /// initialize block to be moved to single Fragment to retrieve and validate credentials
 278         initAuthorizationPreFragment(savedInstanceState);
 279
 280         //Log_OC.wtf(TAG,  "onCreate end");
 281     }
 282
 283     private void initAuthTokenType() {
 284         mAuthTokenType =
 285                 getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 286         if (mAuthTokenType == null) {
 287             if (mAccount != null) {
 288                 boolean oAuthRequired =
 289                     (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2) != null);
 290                 boolean samlWebSsoRequired = (
 291                     mAccountMgr.getUserData(
 292                         mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO
 293                     ) != null
 294                 );
 295                 mAuthTokenType = chooseAuthTokenType(oAuthRequired, samlWebSsoRequired);
 296
 297             } else {
 298                 boolean oAuthSupported = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
 299                 boolean samlWebSsoSupported =
 300                         AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));
 301                 mAuthTokenType = chooseAuthTokenType(oAuthSupported, samlWebSsoSupported);
 302             }
 303         }
 304     }
 305
 306     private String chooseAuthTokenType(boolean oauth, boolean saml) {
 307         if (saml) {
 308             return SAML_TOKEN_TYPE;
 309         } else if (oauth) {
 310              return OAUTH_TOKEN_TYPE;
 311         } else {
 312             return BASIC_TOKEN_TYPE;
 313         }
 314     }
 315
 316
 317     /**
 318      * Configures elements in the user interface under direct control of the Activity.
 319      */
 320     private void initOverallUi() {
 321
 322         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 323         boolean isWelcomeLinkVisible = getResources().getBoolean(R.bool.show_welcome_link);
 324
 325         String instructionsMessageText = null;
 326         if (mAction == ACTION_UPDATE_EXPIRED_TOKEN) {
 327             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType())
 328                     .equals(mAuthTokenType)) {
 329                 instructionsMessageText = getString(R.string.auth_expired_oauth_token_toast);
 330
 331             } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType())
 332                     .equals(mAuthTokenType)) {
 333                 instructionsMessageText = getString(R.string.auth_expired_saml_sso_token_toast);
 334
 335             } else {
 336                 instructionsMessageText = getString(R.string.auth_expired_basic_auth_toast);
 337             }
 338         }
 339
 340         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 341         Button welcomeLink = (Button) findViewById(R.id.welcome_link);
 342         welcomeLink.setVisibility(isWelcomeLinkVisible ? View.VISIBLE : View.GONE);
 343         welcomeLink.setText(
 344                 String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 345
 346         TextView instructionsView = (TextView) findViewById(R.id.instructions_message);
 347         if (instructionsMessageText != null) {
 348             instructionsView.setVisibility(View.VISIBLE);
 349             instructionsView.setText(instructionsMessageText);
 350         } else {
 351             instructionsView.setVisibility(View.GONE);
 352         }
 353     }
 354
 355
 356     /**
 357      *
 358      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 359      */
 360     private void initServerPreFragment(Bundle savedInstanceState) {
 361
 362         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 363         boolean isUrlInputAllowed = getResources().getBoolean(R.bool.show_server_url_input);
 364         if (savedInstanceState == null) {
 365             if (mAccount != null) {
 366                 mServerInfo.mBaseUrl = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_BASE_URL);
 367                 // TODO do next in a setter for mBaseUrl
 368                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");
 369                 mServerInfo.mVersion = AccountUtils.getServerVersion(mAccount);
 370             } else {
 371                 mServerInfo.mBaseUrl = getString(R.string.server_url).trim();
 372                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");
 373             }
 374         } else {
 375             mServerStatusText = savedInstanceState.getInt(KEY_SERVER_STATUS_TEXT);
 376             mServerStatusIcon = savedInstanceState.getInt(KEY_SERVER_STATUS_ICON);
 377
 378             mServerIsValid = savedInstanceState.getBoolean(KEY_SERVER_VALID);
 379             mServerIsChecked = savedInstanceState.getBoolean(KEY_SERVER_CHECKED);
 380
 381             // TODO parcelable
 382             mServerInfo.mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 383             mServerInfo.mBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 384             String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 385             if (ocVersion != null) {
 386                 mServerInfo.mVersion = new OwnCloudVersion(ocVersion);
 387             }
 388             mServerInfo.mAuthMethod = AuthenticationMethod.valueOf(
 389                     savedInstanceState.getString(KEY_SERVER_AUTH_METHOD));
 390
 391         }
 392
 393         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 394         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 395         // Convert IDN to Unicode
 396         mHostUrlInput.setText(DisplayUtils.convertIdn(mServerInfo.mBaseUrl, false));
 397         if (mAction != ACTION_CREATE) {
 398             /// lock things that should not change
 399             mHostUrlInput.setEnabled(false);
 400             mHostUrlInput.setFocusable(false);
 401         }
 402         if (isUrlInputAllowed) {
 403             mRefreshButton = findViewById(R.id.embeddedRefreshButton);
 404         } else {
 405             findViewById(R.id.hostUrlFrame).setVisibility(View.GONE);
 406             mRefreshButton = findViewById(R.id.centeredRefreshButton);
 407         }
 408         showRefreshButton(mServerIsChecked && !mServerIsValid &&
 409                 mWaitingForOpId > Integer.MAX_VALUE);
 410         mServerStatusView = (TextView) findViewById(R.id.server_status_text);
 411         showServerStatus();
 412
 413         /// step 3 - bind some listeners and options
 414         mHostUrlInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 415         mHostUrlInput.setOnEditorActionListener(this);
 416
 417         /// step 4 - create listeners that will be bound at onResume
 418         mHostUrlInputWatcher = new TextWatcher() {
 419
 420             @Override
 421             public void afterTextChanged(Editable s) {
 422                 if (mOkButton.isEnabled() &&
 423                         !mServerInfo.mBaseUrl.equals(
 424                                 normalizeUrl(s.toString(), mServerInfo.mIsSslConn))) {
 425                     mOkButton.setEnabled(false);
 426                 }
 427             }
 428
 429             @Override
 430             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 431             }
 432
 433             @Override
 434             public void onTextChanged(CharSequence s, int start, int before, int count) {
 435                 if (mAuthStatusIcon != 0) {
 436                     Log_OC.d(TAG, "onTextChanged: hiding authentication status");
 437                     mAuthStatusIcon = 0;
 438                     mAuthStatusText = 0;
 439                     showAuthStatus();
 440                 }
 441             }
 442         };
 443
 444
 445         // TODO find out if this is really necessary, or if it can done in a different way
 446         findViewById(R.id.scroll).setOnTouchListener(new OnTouchListener() {
 447             @Override
 448             public boolean onTouch(View view, MotionEvent event) {
 449                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 450                     if (
 451                             AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(
 452                                     MainApp.getAccountType()
 453                             ).equals(mAuthTokenType) &&
 454                                     mHostUrlInput.hasFocus()
 455                             ) {
 456                         checkOcServer();
 457                     }
 458                 }
 459                 return false;
 460             }
 461         });
 462
 463
 464         /// step 4 - mark automatic check to be started when OperationsService is ready
 465         mPendingAutoCheck = (savedInstanceState == null &&
 466                 (mAction != ACTION_CREATE || !isUrlInputAllowed));
 467     }
 468
 469
 470     /**
 471      *
 472      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 473      */
 474     private void initAuthorizationPreFragment(Bundle savedInstanceState) {
 475
 476         /// step 0 - get UI elements in layout
 477         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 478         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 479         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 480         mUsernameInput = (EditText) findViewById(R.id.account_username);
 481         mPasswordInput = (EditText) findViewById(R.id.account_password);
 482         mAuthStatusView = (TextView) findViewById(R.id.auth_status_text);
 483
 484         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 485         String presetUserName = null;
 486         boolean isPasswordExposed = false;
 487         if (savedInstanceState == null) {
 488             if (mAccount != null) {
 489                 presetUserName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 490             }
 491
 492         } else {
 493             isPasswordExposed = savedInstanceState.getBoolean(KEY_PASSWORD_EXPOSED, false);
 494             mAuthStatusText = savedInstanceState.getInt(KEY_AUTH_STATUS_TEXT);
 495             mAuthStatusIcon = savedInstanceState.getInt(KEY_AUTH_STATUS_ICON);
 496             mAuthToken = savedInstanceState.getString(KEY_AUTH_TOKEN);
 497         }
 498
 499         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 500         mOAuth2Check.setChecked(
 501                 AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType())
 502                     .equals(mAuthTokenType));
 503         if (presetUserName != null) {
 504             mUsernameInput.setText(presetUserName);
 505         }
 506         if (mAction != ACTION_CREATE) {
 507             mUsernameInput.setEnabled(false);
 508             mUsernameInput.setFocusable(false);
 509         }
 510         mPasswordInput.setText(""); // clean password to avoid social hacking
 511         if (isPasswordExposed) {
 512             showPassword();
 513         }
 514         updateAuthenticationPreFragmentVisibility();
 515         showAuthStatus();
 516         mOkButton.setEnabled(mServerIsValid);
 517
 518
 519         /// step 3 - bind listeners
 520         // bindings for password input field
 521         mPasswordInput.setOnFocusChangeListener(this);
 522         mPasswordInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
 523         mPasswordInput.setOnEditorActionListener(this);
 524         mPasswordInput.setOnTouchListener(new RightDrawableOnTouchListener() {
 525             @Override
 526             public boolean onDrawableTouch(final MotionEvent event) {
 527                 if (event.getAction() == MotionEvent.ACTION_UP) {
 528                     AuthenticatorActivity.this.onViewPasswordClick();
 529                 }
 530                 return true;
 531             }
 532         });
 533
 534     }
 535
 536
 537     /**
 538      * Changes the visibility of input elements depending on
 539      * the current authorization method.
 540      */
 541     private void updateAuthenticationPreFragmentVisibility () {
 542         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 543                 equals(mAuthTokenType)) {
 544             // SAML-based web Single Sign On
 545             mOAuth2Check.setVisibility(View.GONE);
 546             mOAuthAuthEndpointText.setVisibility(View.GONE);
 547             mOAuthTokenEndpointText.setVisibility(View.GONE);
 548             mUsernameInput.setVisibility(View.GONE);
 549             mPasswordInput.setVisibility(View.GONE);
 550
 551         } else {
 552             if (mAction == ACTION_CREATE &&
 553                     AUTH_OPTIONAL.equals(getString(R.string.auth_method_oauth2))) {
 554                 mOAuth2Check.setVisibility(View.VISIBLE);
 555             } else {
 556                 mOAuth2Check.setVisibility(View.GONE);
 557             }
 558
 559             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
 560                     equals(mAuthTokenType)) {
 561                 // OAuth 2 authorization
 562
 563                 mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
 564                 mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
 565                 mUsernameInput.setVisibility(View.GONE);
 566                 mPasswordInput.setVisibility(View.GONE);
 567
 568             } else {
 569                 // basic HTTP authorization
 570                 mOAuthAuthEndpointText.setVisibility(View.GONE);
 571                 mOAuthTokenEndpointText.setVisibility(View.GONE);
 572                 mUsernameInput.setVisibility(View.VISIBLE);
 573                 mPasswordInput.setVisibility(View.VISIBLE);
 574             }
 575         }
 576     }
 577
 578
 579
 580     /**
 581      * Saves relevant state before {@link #onPause()}
 582      *
 583      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag,
 584      * intended to defer the processing of the redirection caught in
 585      * {@link #onNewIntent(Intent)} until {@link #onResume()}
 586      *
 587      * See {@link super#onSaveInstanceState(Bundle)}
 588      */
 589     @Override
 590     protected void onSaveInstanceState(Bundle outState) {
 591         //Log_OC.wtf(TAG, "onSaveInstanceState init" );
 592         super.onSaveInstanceState(outState);
 593
 594         /// global state
 595         outState.putString(KEY_AUTH_TOKEN_TYPE, mAuthTokenType);
 596         outState.putLong(KEY_WAITING_FOR_OP_ID, mWaitingForOpId);
 597
 598         /// Server PRE-fragment state
 599         outState.putInt(KEY_SERVER_STATUS_TEXT, mServerStatusText);
 600         outState.putInt(KEY_SERVER_STATUS_ICON, mServerStatusIcon);
 601         outState.putBoolean(KEY_SERVER_CHECKED, mServerIsChecked);
 602         outState.putBoolean(KEY_SERVER_VALID, mServerIsValid);
 603         outState.putBoolean(KEY_IS_SSL_CONN, mServerInfo.mIsSslConn);
 604         outState.putString(KEY_HOST_URL_TEXT, mServerInfo.mBaseUrl);
 605         if (mServerInfo.mVersion != null) {
 606             outState.putString(KEY_OC_VERSION, mServerInfo.mVersion.getVersion());
 607         }
 608         outState.putString(KEY_SERVER_AUTH_METHOD, mServerInfo.mAuthMethod.name());
 609
 610         /// Authentication PRE-fragment state
 611         outState.putBoolean(KEY_PASSWORD_EXPOSED, isPasswordVisible());
 612         outState.putInt(KEY_AUTH_STATUS_ICON, mAuthStatusIcon);
 613         outState.putInt(KEY_AUTH_STATUS_TEXT, mAuthStatusText);
 614         outState.putString(KEY_AUTH_TOKEN, mAuthToken);
 615
 616         /// authentication
 617         outState.putBoolean(KEY_AUTH_IS_FIRST_ATTEMPT_TAG, mIsFirstAuthAttempt);
 618
 619         /// AsyncTask (User and password)
 620         outState.putString(KEY_USERNAME, mUsernameInput.getText().toString());
 621         outState.putString(KEY_PASSWORD, mPasswordInput.getText().toString());
 622
 623         if (mAsyncTask != null) {
 624             mAsyncTask.cancel(true);
 625             outState.putBoolean(KEY_ASYNC_TASK_IN_PROGRESS, true);
 626         } else {
 627             outState.putBoolean(KEY_ASYNC_TASK_IN_PROGRESS, false);
 628         }
 629         mAsyncTask = null;
 630
 631         //Log_OC.wtf(TAG, "onSaveInstanceState end" );
 632     }
 633
 634     @Override
 635     public void onRestoreInstanceState(Bundle savedInstanceState) {
 636         super.onRestoreInstanceState(savedInstanceState);
 637
 638         // AsyncTask
 639         boolean inProgress = savedInstanceState.getBoolean(KEY_ASYNC_TASK_IN_PROGRESS);
 640         if (inProgress){
 641             String username = savedInstanceState.getString(KEY_USERNAME);
 642             String password = savedInstanceState.getString(KEY_PASSWORD);
 643
 644             OwnCloudCredentials credentials = null;
 645             if (BASIC_TOKEN_TYPE.equals(mAuthTokenType)) {
 646                 credentials = OwnCloudCredentialsFactory.newBasicCredentials(username, password);
 647
 648             } else if (OAUTH_TOKEN_TYPE.equals(mAuthTokenType)) {
 649                 credentials = OwnCloudCredentialsFactory.newBearerCredentials(mAuthToken);
 650
 651             }
 652             accessRootFolder(credentials);
 653         }
 654     }
 655
 656     /**
 657      * The redirection triggered by the OAuth authentication server as response to the
 658      * GET AUTHORIZATION request is caught here.
 659      *
 660      * To make this possible, this activity needs to be qualified with android:launchMode =
 661      * "singleTask" in the AndroidManifest.xml file.
 662      */
 663     @Override
 664     protected void onNewIntent (Intent intent) {
 665         Log_OC.d(TAG, "onNewIntent()");
 666         Uri data = intent.getData();
 667         if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) {
 668             mNewCapturedUriFromOAuth2Redirection = data;
 669         }
 670     }
 671
 672
 673     /**
 674      * The redirection triggered by the OAuth authentication server as response to the
 675      * GET AUTHORIZATION, and deferred in {@link #onNewIntent(Intent)}, is processed here.
 676      */
 677     @Override
 678     protected void onResume() {
 679         super.onResume();
 680
 681         // bound here to avoid spurious changes triggered by Android on device rotations
 682         mHostUrlInput.setOnFocusChangeListener(this);
 683         mHostUrlInput.addTextChangedListener(mHostUrlInputWatcher);
 684
 685         if (mNewCapturedUriFromOAuth2Redirection != null) {
 686             getOAuth2AccessTokenFromCapturedRedirection();
 687         }
 688
 689         if (mOperationsServiceBinder != null) {
 690             doOnResumeAndBound();
 691         }
 692
 693     }
 694
 695
 696     @Override
 697     protected void onPause() {
 698         if (mOperationsServiceBinder != null) {
 699             mOperationsServiceBinder.removeOperationListener(this);
 700         }
 701
 702         mHostUrlInput.removeTextChangedListener(mHostUrlInputWatcher);
 703         mHostUrlInput.setOnFocusChangeListener(null);
 704
 705         super.onPause();
 706     }
 707
 708     @Override
 709     protected void onDestroy() {
 710
 711         mHostUrlInputWatcher = null;
 712
 713         if (mOperationsServiceConnection != null) {
 714             unbindService(mOperationsServiceConnection);
 715             mOperationsServiceBinder = null;
 716         }
 717         super.onDestroy();
 718     }
 719
 720
 721     /**
 722      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 723      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 724      */
 725     private void getOAuth2AccessTokenFromCapturedRedirection() {
 726         /// Parse data from OAuth redirection
 727         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 728         mNewCapturedUriFromOAuth2Redirection = null;
 729
 730         /// Showing the dialog with instructions for the user.
 731         IndeterminateProgressDialog dialog =
 732                 IndeterminateProgressDialog.newInstance(R.string.auth_getting_authorization, true);
 733         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 734
 735         /// GET ACCESS TOKEN to the oAuth server
 736         Intent getServerInfoIntent = new Intent();
 737         getServerInfoIntent.setAction(OperationsService.ACTION_OAUTH2_GET_ACCESS_TOKEN);
 738
 739         getServerInfoIntent.putExtra(
 740                 OperationsService.EXTRA_SERVER_URL,
 741                 mOAuthTokenEndpointText.getText().toString().trim());
 742
 743         getServerInfoIntent.putExtra(
 744                 OperationsService.EXTRA_OAUTH2_QUERY_PARAMETERS,
 745                 queryParameters);
 746
 747         if (mOperationsServiceBinder != null) {
 748             //Log_OC.wtf(TAG, "getting access token..." );
 749             mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getServerInfoIntent);
 750         }
 751     }
 752
 753
 754
 755     /**
 756      * Handles the change of focus on the text inputs for the server URL and the password
 757      */
 758     public void onFocusChange(View view, boolean hasFocus) {
 759         if (view.getId() == R.id.hostUrlInput) {
 760             if (!hasFocus) {
 761                 onUrlInputFocusLost();
 762             }
 763             else {
 764                 showRefreshButton(false);
 765             }
 766
 767         } else if (view.getId() == R.id.account_password) {
 768             onPasswordFocusChanged(hasFocus);
 769         }
 770     }
 771
 772
 773     /**
 774      * Handles changes in focus on the text input for the server URL.
 775      *
 776      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 777      * other field. The operation to check the existence of the server in the entered URL is
 778      * started.
 779      *
 780      * When hasFocus:    user 'comes back' to write again the server URL.
 781      */
 782     private void onUrlInputFocusLost() {
 783         if (!mServerInfo.mBaseUrl.equals(
 784                 normalizeUrl(mHostUrlInput.getText().toString(), mServerInfo.mIsSslConn))) {
 785             // check server again only if the user changed something in the field
 786             checkOcServer();
 787         } else {
 788             mOkButton.setEnabled(mServerIsValid);
 789             showRefreshButton(!mServerIsValid);
 790         }
 791     }
 792
 793
 794     private void checkOcServer() {
 795         String uri = mHostUrlInput.getText().toString().trim();
 796         mServerIsValid = false;
 797         mServerIsChecked = false;
 798         mOkButton.setEnabled(false);
 799         mServerInfo = new GetServerInfoOperation.ServerInfo();
 800         showRefreshButton(false);
 801
 802         if (uri.length() != 0) {
 803             // Handle internationalized domain names
 804             uri = DisplayUtils.convertIdn(uri, true);
 805
 806             mServerStatusText = R.string.auth_testing_connection;
 807             mServerStatusIcon = R.drawable.progress_small;
 808             showServerStatus();
 809
 810             Intent getServerInfoIntent = new Intent();
 811             getServerInfoIntent.setAction(OperationsService.ACTION_GET_SERVER_INFO);
 812             getServerInfoIntent.putExtra(
 813                     OperationsService.EXTRA_SERVER_URL,
 814                     normalizeUrlSuffix(uri)
 815             );
 816             if (mOperationsServiceBinder != null) {
 817                 mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getServerInfoIntent);
 818             } else {
 819               Log_OC.wtf(TAG, "Server check tried with OperationService unbound!" );
 820             }
 821
 822         } else {
 823             mServerStatusText = 0;
 824             mServerStatusIcon = 0;
 825             showServerStatus();
 826         }
 827     }
 828
 829
 830     /**
 831      * Handles changes in focus on the text input for the password (basic authorization).
 832      *
 833      * When (hasFocus), the button to toggle password visibility is shown.
 834      *
 835      * When (!hasFocus), the button is made invisible and the password is hidden.
 836      *
 837      * @param hasFocus          'True' if focus is received, 'false' if is lost
 838      */
 839     private void onPasswordFocusChanged(boolean hasFocus) {
 840         if (hasFocus) {
 841             showViewPasswordButton();
 842         } else {
 843             hidePassword();
 844             hidePasswordButton();
 845         }
 846     }
 847
 848
 849     private void showViewPasswordButton() {
 850         int drawable = R.drawable.ic_view;
 851         if (isPasswordVisible()) {
 852             drawable = R.drawable.ic_hide;
 853         }
 854         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 855     }
 856
 857     private boolean isPasswordVisible() {
 858         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) ==
 859                 InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 860     }
 861
 862     private void hidePasswordButton() {
 863         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 864     }
 865
 866     private void showPassword() {
 867         mPasswordInput.setInputType(
 868                 InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD
 869         );
 870         showViewPasswordButton();
 871     }
 872
 873     private void hidePassword() {
 874         mPasswordInput.setInputType(
 875                 InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD
 876         );
 877         showViewPasswordButton();
 878     }
 879
 880     /**
 881      * Checks the credentials of the user in the root of the ownCloud server
 882      * before creating a new local account.
 883      *
 884      * For basic authorization, a check of existence of the root folder is
 885      * performed.
 886      *
 887      * For OAuth, starts the flow to get an access token; the credentials test
 888      * is postponed until it is available.
 889      *
 890      * IMPORTANT ENTRY POINT 4
 891      */
 892     public void onOkClick() {
 893         // this check should be unnecessary
 894         if (mServerInfo.mVersion == null ||
 895                 !mServerInfo.mVersion.isVersionValid()  ||
 896                 mServerInfo.mBaseUrl == null ||
 897                 mServerInfo.mBaseUrl.length() == 0) {
 898             mServerStatusIcon = R.drawable.common_error;
 899             mServerStatusText = R.string.auth_wtf_reenter_URL;
 900             showServerStatus();
 901             mOkButton.setEnabled(false);
 902             return;
 903         }
 904
 905         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
 906                 equals(mAuthTokenType)) {
 907
 908             startOauthorization();
 909         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 910                 equals(mAuthTokenType)) {
 911
 912             startSamlBasedFederatedSingleSignOnAuthorization();
 913         } else {
 914             checkBasicAuthorization();
 915         }
 916     }
 917
 918
 919     /**
 920      * Tests the credentials entered by the user performing a check of existence on
 921      * the root folder of the ownCloud server.
 922      */
 923     private void checkBasicAuthorization() {
 924         /// get basic credentials entered by user
 925         String username = mUsernameInput.getText().toString();
 926         String password = mPasswordInput.getText().toString();
 927
 928         /// be gentle with the user
 929         IndeterminateProgressDialog dialog =
 930                 IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
 931         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 932
 933         /// validate credentials accessing the root folder
 934         OwnCloudCredentials credentials = OwnCloudCredentialsFactory.newBasicCredentials(username,
 935                 password);
 936         accessRootFolder(credentials);
 937     }
 938
 939     private void accessRootFolder(OwnCloudCredentials credentials) {
 940         mAsyncTask = new AuthenticatorAsyncTask(this);
 941         Object[] params = { mServerInfo.mBaseUrl, credentials };
 942         mAsyncTask.execute(params);
 943     }
 944
 945
 946     /**
 947      * Starts the OAuth 'grant type' flow to get an access token, with
 948      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 949      */
 950     private void startOauthorization() {
 951         // be gentle with the user
 952         mAuthStatusIcon = R.drawable.progress_small;
 953         mAuthStatusText = R.string.oauth_login_connection;
 954         showAuthStatus();
 955
 956         // GET AUTHORIZATION request
 957         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 958         Uri.Builder uriBuilder = uri.buildUpon();
 959         uriBuilder.appendQueryParameter(
 960                 OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type)
 961         );
 962         uriBuilder.appendQueryParameter(
 963                 OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri)
 964         );
 965         uriBuilder.appendQueryParameter(
 966                 OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id)
 967         );
 968         uriBuilder.appendQueryParameter(
 969                 OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope)
 970         );
 971         uri = uriBuilder.build();
 972         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 973         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 974         startActivity(i);
 975     }
 976
 977
 978     /**
 979      * Starts the Web Single Sign On flow to get access to the root folder
 980      * in the server.
 981      */
 982     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 983         /// be gentle with the user
 984         mAuthStatusIcon = R.drawable.progress_small;
 985         mAuthStatusText = R.string.auth_connecting_auth_server;
 986         showAuthStatus();
 987
 988         /// Show SAML-based SSO web dialog
 989         String targetUrl = mServerInfo.mBaseUrl
 990                 + AccountUtils.getWebdavPath(mServerInfo.mVersion, mAuthTokenType);
 991         SamlWebViewDialog dialog = SamlWebViewDialog.newInstance(targetUrl, targetUrl);
 992         dialog.show(getSupportFragmentManager(), SAML_DIALOG_TAG);
 993     }
 994
 995     /**
 996      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 997      *
 998      * Dispatches the operation flow to the right method.
 999      */
1000     @Override
1001     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
1002
1003         if (operation instanceof GetServerInfoOperation) {
1004             if (operation.hashCode() == mWaitingForOpId) {
1005                 onGetServerInfoFinish(result);
1006             }   // else nothing ; only the last check operation is considered;
1007                 // multiple can be started if the user amends a URL quickly
1008
1009         } else if (operation instanceof OAuth2GetAccessToken) {
1010             onGetOAuthAccessTokenFinish(result);
1011
1012         } else if (operation instanceof GetRemoteUserNameOperation) {
1013             onGetUserNameFinish(result);
1014         }
1015
1016     }
1017
1018     private void onGetUserNameFinish(RemoteOperationResult result) {
1019         mWaitingForOpId = Long.MAX_VALUE;
1020         if (result.isSuccess()) {
1021             boolean success = false;
1022             String username = (String) result.getData().get(0);
1023
1024             if ( mAction == ACTION_CREATE) {
1025                 mUsernameInput.setText(username);
1026                 success = createAccount(result);
1027             } else {
1028
1029                 if (!mUsernameInput.getText().toString().equals(username)) {
1030                     // fail - not a new account, but an existing one; disallow
1031                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
1032                     mAuthToken = "";
1033                     updateAuthStatusIconAndText(result);
1034                     showAuthStatus();
1035                     Log_OC.d(TAG, result.getLogMessage());
1036                 } else {
1037                     try {
1038                         updateAccountAuthentication();
1039                         success = true;
1040
1041                     } catch (AccountNotFoundException e) {
1042                         Log_OC.e(TAG, "Account " + mAccount + " was removed!", e);
1043                         Toast.makeText(this, R.string.auth_account_does_not_exist,
1044                                 Toast.LENGTH_SHORT).show();
1045                         finish();
1046                     }
1047                 }
1048             }
1049
1050             if (success)
1051                 finish();
1052         } else {
1053             updateStatusIconFailUserName();
1054             showAuthStatus();
1055             Log_OC.e(TAG, "Access to user name failed: " + result.getLogMessage());
1056         }
1057
1058     }
1059
1060     /**
1061      * Processes the result of the server check performed when the user finishes the enter of the
1062      * server URL.
1063      *
1064      * @param result        Result of the check.
1065      */
1066     private void onGetServerInfoFinish(RemoteOperationResult result) {
1067         /// update activity state
1068         mServerIsChecked = true;
1069         mWaitingForOpId = Long.MAX_VALUE;
1070
1071         // update server status, but don't show it yet
1072         updateServerStatusIconAndText(result);
1073
1074         if (result.isSuccess()) {
1075             /// SUCCESS means:
1076             //      1. connection succeeded, and we know if it's SSL or not
1077             //      2. server is installed
1078             //      3. we got the server version
1079             //      4. we got the authentication method required by the server
1080             mServerInfo = (GetServerInfoOperation.ServerInfo) (result.getData().get(0));
1081
1082             if (!authSupported(mServerInfo.mAuthMethod)) {
1083
1084                 updateServerStatusIconNoRegularAuth();  // overrides updateServerStatusIconAndText()
1085                 mServerIsValid = false;
1086
1087             } else {
1088                 mServerIsValid = true;
1089             }
1090
1091         } else {
1092             mServerIsValid = false;
1093         }
1094
1095         // refresh UI
1096         showRefreshButton(!mServerIsValid);
1097         showServerStatus();
1098         mOkButton.setEnabled(mServerIsValid);
1099
1100         /// very special case (TODO: move to a common place for all the remote operations)
1101         if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1102             showUntrustedCertDialog(result);
1103         }
1104     }
1105
1106
1107     private boolean authSupported(AuthenticationMethod authMethod) {
1108         return (( BASIC_TOKEN_TYPE.equals(mAuthTokenType) &&
1109                     AuthenticationMethod.BASIC_HTTP_AUTH.equals(authMethod) ) ||
1110                 ( OAUTH_TOKEN_TYPE.equals(mAuthTokenType) &&
1111                     AuthenticationMethod.BEARER_TOKEN.equals(authMethod)) ||
1112                 ( SAML_TOKEN_TYPE.equals(mAuthTokenType)  &&
1113                     AuthenticationMethod.SAML_WEB_SSO.equals(authMethod))
1114         );
1115     }
1116
1117
1118     // TODO remove, if possible
1119     private String normalizeUrl(String url, boolean sslWhenUnprefixed) {
1120         if (url != null && url.length() > 0) {
1121             url = url.trim();
1122             if (!url.toLowerCase().startsWith("http://") &&
1123                     !url.toLowerCase().startsWith("https://")) {
1124                 if (sslWhenUnprefixed) {
1125                     url = "https://" + url;
1126                 } else {
1127                     url = "http://" + url;
1128                 }
1129             }
1130
1131             url = normalizeUrlSuffix(url);
1132         }
1133         return (url != null ? url : "");
1134     }
1135
1136
1137     private String normalizeUrlSuffix(String url) {
1138         if (url.endsWith("/")) {
1139             url = url.substring(0, url.length() - 1);
1140         }
1141         url = trimUrlWebdav(url);
1142         return url;
1143     }
1144
1145
1146     // TODO remove, if possible
1147     private String trimUrlWebdav(String url){
1148         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0_AND_LATER)){
1149             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0_AND_LATER.length());
1150         }
1151         return url;
1152     }
1153
1154
1155     /**
1156      * Chooses the right icon and text to show to the user for the received operation result.
1157      *
1158      * @param result    Result of a remote operation performed in this activity
1159      */
1160     private void updateServerStatusIconAndText(RemoteOperationResult result) {
1161         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1162
1163         switch (result.getCode()) {
1164         case OK_SSL:
1165             mServerStatusIcon = R.drawable.ic_lock;
1166             mServerStatusText = R.string.auth_secure_connection;
1167             break;
1168
1169         case OK_NO_SSL:
1170         case OK:
1171             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1172                 mServerStatusText = R.string.auth_connection_established;
1173                 mServerStatusIcon = R.drawable.ic_ok;
1174             } else {
1175                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1176                 mServerStatusIcon = R.drawable.ic_lock_open;
1177             }
1178             break;
1179
1180         case NO_NETWORK_CONNECTION:
1181             mServerStatusIcon = R.drawable.no_network;
1182             mServerStatusText = R.string.auth_no_net_conn_title;
1183             break;
1184
1185         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1186             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1187             break;
1188         case BAD_OC_VERSION:
1189             mServerStatusText = R.string.auth_bad_oc_version_title;
1190             break;
1191         case WRONG_CONNECTION:
1192             mServerStatusText = R.string.auth_wrong_connection_title;
1193             break;
1194         case TIMEOUT:
1195             mServerStatusText = R.string.auth_timeout_title;
1196             break;
1197         case INCORRECT_ADDRESS:
1198             mServerStatusText = R.string.auth_incorrect_address_title;
1199             break;
1200         case SSL_ERROR:
1201             mServerStatusText = R.string.auth_ssl_general_error_title;
1202             break;
1203         case UNAUTHORIZED:
1204             mServerStatusText = R.string.auth_unauthorized;
1205             break;
1206         case HOST_NOT_AVAILABLE:
1207             mServerStatusText = R.string.auth_unknown_host_title;
1208             break;
1209         case INSTANCE_NOT_CONFIGURED:
1210             mServerStatusText = R.string.auth_not_configured_title;
1211             break;
1212         case FILE_NOT_FOUND:
1213             mServerStatusText = R.string.auth_incorrect_path_title;
1214             break;
1215         case OAUTH2_ERROR:
1216             mServerStatusText = R.string.auth_oauth_error;
1217             break;
1218         case OAUTH2_ERROR_ACCESS_DENIED:
1219             mServerStatusText = R.string.auth_oauth_error_access_denied;
1220             break;
1221         case UNHANDLED_HTTP_CODE:
1222         case UNKNOWN_ERROR:
1223             mServerStatusText = R.string.auth_unknown_error_title;
1224             break;
1225         case OK_REDIRECT_TO_NON_SECURE_CONNECTION:
1226             mServerStatusIcon = R.drawable.ic_lock_open;
1227             mServerStatusText = R.string.auth_redirect_non_secure_connection_title;
1228             break;
1229         default:
1230             mServerStatusText = 0;
1231             mServerStatusIcon = 0;
1232         }
1233     }
1234
1235
1236     /**
1237      * Chooses the right icon and text to show to the user for the received operation result.
1238      *
1239      * @param result    Result of a remote operation performed in this activity
1240      */
1241     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1242         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1243
1244         switch (result.getCode()) {
1245         case OK_SSL:
1246             mAuthStatusIcon = R.drawable.ic_lock;
1247             mAuthStatusText = R.string.auth_secure_connection;
1248             break;
1249
1250         case OK_NO_SSL:
1251         case OK:
1252             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1253                 mAuthStatusText = R.string.auth_connection_established;
1254                 mAuthStatusIcon = R.drawable.ic_ok;
1255             } else {
1256                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1257                 mAuthStatusIcon = R.drawable.ic_lock_open;
1258             }
1259             break;
1260
1261         case NO_NETWORK_CONNECTION:
1262             mAuthStatusIcon = R.drawable.no_network;
1263             mAuthStatusText = R.string.auth_no_net_conn_title;
1264             break;
1265
1266         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1267             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1268             break;
1269         case BAD_OC_VERSION:
1270             mAuthStatusText = R.string.auth_bad_oc_version_title;
1271             break;
1272         case WRONG_CONNECTION:
1273             mAuthStatusText = R.string.auth_wrong_connection_title;
1274             break;
1275         case TIMEOUT:
1276             mAuthStatusText = R.string.auth_timeout_title;
1277             break;
1278         case INCORRECT_ADDRESS:
1279             mAuthStatusText = R.string.auth_incorrect_address_title;
1280             break;
1281         case SSL_ERROR:
1282             mAuthStatusText = R.string.auth_ssl_general_error_title;
1283             break;
1284         case UNAUTHORIZED:
1285             mAuthStatusText = R.string.auth_unauthorized;
1286             break;
1287         case HOST_NOT_AVAILABLE:
1288             mAuthStatusText = R.string.auth_unknown_host_title;
1289             break;
1290         case INSTANCE_NOT_CONFIGURED:
1291             mAuthStatusText = R.string.auth_not_configured_title;
1292             break;
1293         case FILE_NOT_FOUND:
1294             mAuthStatusText = R.string.auth_incorrect_path_title;
1295             break;
1296         case OAUTH2_ERROR:
1297             mAuthStatusText = R.string.auth_oauth_error;
1298             break;
1299         case OAUTH2_ERROR_ACCESS_DENIED:
1300             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1301             break;
1302         case ACCOUNT_NOT_NEW:
1303             mAuthStatusText = R.string.auth_account_not_new;
1304             break;
1305         case ACCOUNT_NOT_THE_SAME:
1306             mAuthStatusText = R.string.auth_account_not_the_same;
1307             break;
1308         case UNHANDLED_HTTP_CODE:
1309         case UNKNOWN_ERROR:
1310             mAuthStatusText = R.string.auth_unknown_error_title;
1311             break;
1312         default:
1313             mAuthStatusText = 0;
1314             mAuthStatusIcon = 0;
1315         }
1316     }
1317
1318
1319     private void updateStatusIconFailUserName(){
1320         mAuthStatusIcon = R.drawable.common_error;
1321         mAuthStatusText = R.string.auth_fail_get_user_name;
1322     }
1323
1324     private void updateServerStatusIconNoRegularAuth(){
1325         mServerStatusIcon = R.drawable.common_error;
1326         mServerStatusText = R.string.auth_can_not_auth_against_server;
1327     }
1328
1329     /**
1330      * Processes the result of the request for and access token send
1331      * to an OAuth authorization server.
1332      *
1333      * @param result        Result of the operation.
1334      */
1335     private void onGetOAuthAccessTokenFinish(RemoteOperationResult result) {
1336         mWaitingForOpId = Long.MAX_VALUE;
1337         dismissDialog(WAIT_DIALOG_TAG);
1338
1339         if (result.isSuccess()) {
1340             /// be gentle with the user
1341             IndeterminateProgressDialog dialog =
1342                     IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
1343             dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
1344
1345             /// time to test the retrieved access token on the ownCloud server
1346             @SuppressWarnings("unchecked")
1347             Map<String, String> tokens = (Map<String, String>)(result.getData().get(0));
1348             mAuthToken = tokens.get(OAuth2Constants.KEY_ACCESS_TOKEN);
1349             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1350
1351             /// validate token accessing to root folder / getting session
1352             OwnCloudCredentials credentials = OwnCloudCredentialsFactory.newBearerCredentials(
1353                     mAuthToken);
1354             accessRootFolder(credentials);
1355
1356         } else {
1357             updateAuthStatusIconAndText(result);
1358             showAuthStatus();
1359             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1360         }
1361     }
1362
1363
1364     /**
1365      * Processes the result of the access check performed to try the user credentials.
1366      *
1367      * Creates a new account through the AccountManager.
1368      *
1369      * @param result        Result of the operation.
1370      */
1371     @Override
1372     public void onAuthenticatorTaskCallback(RemoteOperationResult result) {
1373         mWaitingForOpId = Long.MAX_VALUE;
1374         dismissDialog(WAIT_DIALOG_TAG);
1375
1376         if (result.isSuccess()) {
1377             Log_OC.d(TAG, "Successful access - time to save the account");
1378
1379             boolean success = false;
1380
1381             if (mAction == ACTION_CREATE) {
1382                 success = createAccount(result);
1383
1384             } else {
1385                 try {
1386                     updateAccountAuthentication();
1387                     success = true;
1388
1389                 } catch (AccountNotFoundException e) {
1390                     Log_OC.e(TAG, "Account " + mAccount + " was removed!", e);
1391                     Toast.makeText(this, R.string.auth_account_does_not_exist,
1392                             Toast.LENGTH_SHORT).show();
1393                     finish();
1394                 }
1395             }
1396
1397             if (success) {
1398                 finish();
1399             }
1400
1401         } else if (result.isServerFail() || result.isException()) {
1402             /// server errors or exceptions in authorization take to requiring a new check of
1403             /// the server
1404             mServerIsChecked = true;
1405             mServerIsValid = false;
1406             mServerInfo = new GetServerInfoOperation.ServerInfo();
1407
1408             // update status icon and text
1409             updateServerStatusIconAndText(result);
1410             showServerStatus();
1411             mAuthStatusIcon = 0;
1412             mAuthStatusText = 0;
1413             showAuthStatus();
1414
1415             // update input controls state
1416             showRefreshButton(true);
1417             mOkButton.setEnabled(false);
1418
1419             // very special case (TODO: move to a common place for all the remote operations)
1420             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1421                 showUntrustedCertDialog(result);
1422             }
1423
1424         } else {    // authorization fail due to client side - probably wrong credentials
1425             updateAuthStatusIconAndText(result);
1426             showAuthStatus();
1427             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1428         }
1429     }
1430
1431
1432
1433
1434     /**
1435      * Updates the authentication token.
1436      *
1437      * Sets the proper response so that the AccountAuthenticator that started this activity
1438      * saves a new authorization token for mAccount.
1439      *
1440      * Kills the session kept by OwnCloudClientManager so that a new one will created with
1441      * the new credentials when needed.
1442      */
1443     private void updateAccountAuthentication() throws AccountNotFoundException {
1444
1445         Bundle response = new Bundle();
1446         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1447         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1448
1449         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
1450                 equals(mAuthTokenType)) {
1451             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1452             // the next line is necessary, notifications are calling directly to the
1453             // AuthenticatorActivity to update, without AccountManager intervention
1454             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1455
1456         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1457                 equals(mAuthTokenType)) {
1458
1459             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1460             // the next line is necessary; by now, notifications are calling directly to the
1461             // AuthenticatorActivity to update, without AccountManager intervention
1462             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1463
1464         } else {
1465             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1466             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1467         }
1468         setAccountAuthenticatorResult(response);
1469
1470     }
1471
1472
1473     /**
1474      * Creates a new account through the Account Authenticator that started this activity.
1475      *
1476      * This makes the account permanent.
1477      *
1478      * TODO Decide how to name the OAuth accounts
1479      */
1480     private boolean createAccount(RemoteOperationResult authResult) {
1481         /// create and save new ownCloud account
1482         boolean isOAuth = AccountTypeUtils.
1483                 getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1484         boolean isSaml =  AccountTypeUtils.
1485                 getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1486
1487         String lastPermanentLocation = authResult.getLastPermanentLocation();
1488         if (lastPermanentLocation != null) {
1489             mServerInfo.mBaseUrl = AccountUtils.trimWebdavSuffix(lastPermanentLocation);
1490         }
1491
1492         Uri uri = Uri.parse(mServerInfo.mBaseUrl);
1493         String username = mUsernameInput.getText().toString().trim();
1494         if (isOAuth) {
1495             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1496         }
1497         String accountName = com.owncloud.android.lib.common.accounts.AccountUtils.
1498                 buildAccountName(uri, username);
1499         Account newAccount = new Account(accountName, MainApp.getAccountType());
1500         if (AccountUtils.exists(newAccount, getApplicationContext())) {
1501             // fail - not a new account, but an existing one; disallow
1502             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1503             updateAuthStatusIconAndText(result);
1504             showAuthStatus();
1505             Log_OC.d(TAG, result.getLogMessage());
1506             return false;
1507
1508         } else {
1509             mAccount = newAccount;
1510
1511             if (isOAuth || isSaml) {
1512                 // with external authorizations, the password is never input in the app
1513                 mAccountMgr.addAccountExplicitly(mAccount, "", null);
1514             } else {
1515                 mAccountMgr.addAccountExplicitly(
1516                         mAccount, mPasswordInput.getText().toString(), null
1517                 );
1518             }
1519
1520             // include account version with the new account
1521             mAccountMgr.setUserData(
1522                 mAccount,
1523                 Constants.KEY_OC_ACCOUNT_VERSION,
1524                 Integer.toString(AccountUtils.ACCOUNT_VERSION)
1525             );
1526
1527             /// add the new account as default in preferences, if there is none already
1528             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1529             if (defaultAccount == null) {
1530                 SharedPreferences.Editor editor = PreferenceManager
1531                         .getDefaultSharedPreferences(this).edit();
1532                 editor.putString("select_oc_account", accountName);
1533                 editor.commit();
1534             }
1535
1536             /// prepare result to return to the Authenticator
1537             //  TODO check again what the Authenticator makes with it; probably has the same
1538             //  effect as addAccountExplicitly, but it's not well done
1539             final Intent intent = new Intent();
1540             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1541             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1542             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1543             if (isOAuth || isSaml) {
1544                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1545             }
1546             /// add user data to the new account; TODO probably can be done in the last parameter
1547             //      addAccountExplicitly, or in KEY_USERDATA
1548             mAccountMgr.setUserData(
1549                     mAccount, Constants.KEY_OC_VERSION, mServerInfo.mVersion.getVersion()
1550             );
1551             mAccountMgr.setUserData(
1552                     mAccount, Constants.KEY_OC_BASE_URL,   mServerInfo.mBaseUrl
1553             );
1554
1555             if (isSaml) {
1556                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1557             } else if (isOAuth) {
1558                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1559             }
1560
1561             setAccountAuthenticatorResult(intent.getExtras());
1562             setResult(RESULT_OK, intent);
1563
1564             return true;
1565         }
1566     }
1567
1568
1569     /**
1570      * Starts and activity to open the 'new account' page in the ownCloud web site
1571      *
1572      * @param view      'Account register' button
1573      */
1574     public void onRegisterClick(View view) {
1575         Intent register = new Intent(
1576                 Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url))
1577         );
1578         setResult(RESULT_CANCELED);
1579         startActivity(register);
1580     }
1581
1582
1583     /**
1584      * Updates the content and visibility state of the icon and text associated
1585      * to the last check on the ownCloud server.
1586      *
1587      */
1588     private void showServerStatus() {
1589         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1590             mServerStatusView.setVisibility(View.INVISIBLE);
1591
1592         } else {
1593             mServerStatusView.setText(mServerStatusText);
1594             mServerStatusView.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1595             mServerStatusView.setVisibility(View.VISIBLE);
1596         }
1597
1598     }
1599
1600
1601     /**
1602      * Updates the content and visibility state of the icon and text associated
1603      * to the interactions with the OAuth authorization server.
1604      */
1605     private void showAuthStatus() {
1606         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1607             mAuthStatusView.setVisibility(View.INVISIBLE);
1608
1609         } else {
1610             mAuthStatusView.setText(mAuthStatusText);
1611             mAuthStatusView.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1612             mAuthStatusView.setVisibility(View.VISIBLE);
1613         }
1614     }
1615
1616
1617     private void showRefreshButton (boolean show) {
1618         if (show)  {
1619             mRefreshButton.setVisibility(View.VISIBLE);
1620         } else {
1621             mRefreshButton.setVisibility(View.GONE);
1622         }
1623     }
1624
1625     /**
1626      * Called when the eye icon in the password field is clicked.
1627      *
1628      * Toggles the visibility of the password in the field.
1629      */
1630     public void onViewPasswordClick() {
1631         int selectionStart = mPasswordInput.getSelectionStart();
1632         int selectionEnd = mPasswordInput.getSelectionEnd();
1633         if (isPasswordVisible()) {
1634             hidePassword();
1635         } else {
1636             showPassword();
1637         }
1638         mPasswordInput.setSelection(selectionStart, selectionEnd);
1639     }
1640
1641
1642     /**
1643      * Called when the checkbox for OAuth authorization is clicked.
1644      *
1645      * Hides or shows the input fields for user & password.
1646      *
1647      * @param view      'View password' 'button'
1648      */
1649     public void onCheckClick(View view) {
1650         CheckBox oAuth2Check = (CheckBox)view;
1651         if (oAuth2Check.isChecked()) {
1652             mAuthTokenType = OAUTH_TOKEN_TYPE;
1653         } else {
1654             mAuthTokenType = BASIC_TOKEN_TYPE;
1655         }
1656         updateAuthenticationPreFragmentVisibility();
1657     }
1658
1659
1660     /**
1661      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1662      *
1663      *  Used to trigger the authentication check when the user presses 'enter' after writing the
1664      *  password, or to throw the server test when the only field on screen is the URL input field.
1665      */
1666     @Override
1667     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1668         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null &&
1669                 inputField.equals(mPasswordInput)) {
1670             if (mOkButton.isEnabled()) {
1671                 mOkButton.performClick();
1672             }
1673
1674         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null &&
1675                 inputField.equals(mHostUrlInput)) {
1676             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1677                     equals(mAuthTokenType)) {
1678                 checkOcServer();
1679             }
1680         }
1681         return false;   // always return false to grant that the software keyboard is hidden anyway
1682     }
1683
1684
1685     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1686
1687         private int fuzz = 75;
1688
1689         /**
1690          * {@inheritDoc}
1691          */
1692         @Override
1693         public boolean onTouch(View view, MotionEvent event) {
1694             Drawable rightDrawable = null;
1695             if (view instanceof TextView) {
1696                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1697                 if (drawables.length > 2) {
1698                     rightDrawable = drawables[2];
1699                 }
1700             }
1701             if (rightDrawable != null) {
1702                 final int x = (int) event.getX();
1703                 final int y = (int) event.getY();
1704                 final Rect bounds = rightDrawable.getBounds();
1705                 if (    x >= (view.getRight() - bounds.width() - fuzz) &&
1706                         x <= (view.getRight() - view.getPaddingRight() + fuzz) &&
1707                         y >= (view.getPaddingTop() - fuzz) &&
1708                         y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1709
1710                     return onDrawableTouch(event);
1711                 }
1712             }
1713             return false;
1714         }
1715
1716         public abstract boolean onDrawableTouch(final MotionEvent event);
1717     }
1718
1719
1720     private void getRemoteUserNameOperation(String sessionCookie) {
1721
1722         Intent getUserNameIntent = new Intent();
1723         getUserNameIntent.setAction(OperationsService.ACTION_GET_USER_NAME);
1724         getUserNameIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mServerInfo.mBaseUrl);
1725         getUserNameIntent.putExtra(OperationsService.EXTRA_COOKIE, sessionCookie);
1726
1727         if (mOperationsServiceBinder != null) {
1728             mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getUserNameIntent);
1729         }
1730     }
1731
1732
1733     @Override
1734     public void onSsoFinished(String sessionCookie) {
1735         if (sessionCookie != null && sessionCookie.length() > 0) {
1736             Log_OC.d(TAG, "Successful SSO - time to save the account");
1737             mAuthToken = sessionCookie;
1738             getRemoteUserNameOperation(sessionCookie);
1739             Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1740             if (fd != null && fd instanceof DialogFragment) {
1741                 Dialog d = ((DialogFragment)fd).getDialog();
1742                 if (d != null && d.isShowing()) {
1743                     d.dismiss();
1744                 }
1745             }
1746
1747         } else {
1748             // TODO - show fail
1749             Log_OC.d(TAG, "SSO failed");
1750         }
1751
1752     }
1753
1754     @Override
1755     public boolean onTouchEvent(MotionEvent event) {
1756         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1757                 equals(mAuthTokenType) &&
1758                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1759             checkOcServer();
1760         }
1761         return super.onTouchEvent(event);
1762     }
1763
1764
1765     /**
1766      * Show untrusted cert dialog
1767      */
1768     public void showUntrustedCertDialog(
1769             X509Certificate x509Certificate, SslError error, SslErrorHandler handler
1770         ) {
1771         // Show a dialog with the certificate info
1772         SslUntrustedCertDialog dialog;
1773         if (x509Certificate == null) {
1774             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
1775         } else {
1776             dialog = SslUntrustedCertDialog.
1777                     newInstanceForFullSslError(x509Certificate, error, handler);
1778         }
1779         FragmentManager fm = getSupportFragmentManager();
1780         FragmentTransaction ft = fm.beginTransaction();
1781         ft.addToBackStack(null);
1782         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1783     }
1784
1785
1786     /**
1787      * Show untrusted cert dialog
1788      */
1789     private void showUntrustedCertDialog(RemoteOperationResult result) {
1790         // Show a dialog with the certificate info
1791         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.
1792                 newInstanceForFullSslError((CertificateCombinedException)result.getException());
1793         FragmentManager fm = getSupportFragmentManager();
1794         FragmentTransaction ft = fm.beginTransaction();
1795         ft.addToBackStack(null);
1796         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1797
1798     }
1799
1800     /**
1801      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1802      */
1803     public void onSavedCertificate() {
1804         Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1805         if (fd == null) {
1806             // if SAML dialog is not shown,
1807             // the SslDialog was shown due to an SSL error in the server check
1808             checkOcServer();
1809         }
1810     }
1811
1812     /**
1813      * Called from SslValidatorDialog when a new server certificate could not be saved
1814      * when the user requested it.
1815      */
1816     @Override
1817     public void onFailedSavingCertificate() {
1818         dismissDialog(SAML_DIALOG_TAG);
1819         Toast.makeText(this, R.string.ssl_validator_not_saved, Toast.LENGTH_LONG).show();
1820     }
1821
1822     @Override
1823     public void onCancelCertificate() {
1824         dismissDialog(SAML_DIALOG_TAG);
1825     }
1826
1827
1828     private void doOnResumeAndBound() {
1829         //Log_OC.wtf(TAG, "registering to listen for operation callbacks" );
1830         mOperationsServiceBinder.addOperationListener(AuthenticatorActivity.this, mHandler);
1831         if (mWaitingForOpId <= Integer.MAX_VALUE) {
1832             mOperationsServiceBinder.dispatchResultIfFinished((int)mWaitingForOpId, this);
1833         }
1834
1835         if (mPendingAutoCheck) {
1836             checkOcServer();
1837         }
1838     }
1839
1840
1841     private void dismissDialog(String dialogTag){
1842         Fragment frag = getSupportFragmentManager().findFragmentByTag(dialogTag);
1843         if (frag != null && frag instanceof DialogFragment) {
1844             DialogFragment dialog = (DialogFragment) frag;
1845             dialog.dismiss();
1846         }
1847     }
1848
1849
1850     /**
1851      * Implements callback methods for service binding.
1852      */
1853     private class OperationsServiceConnection implements ServiceConnection {
1854
1855         @Override
1856         public void onServiceConnected(ComponentName component, IBinder service) {
1857             if (component.equals(
1858                     new ComponentName(AuthenticatorActivity.this, OperationsService.class)
1859                 )) {
1860                 mOperationsServiceBinder = (OperationsServiceBinder) service;
1861
1862                 doOnResumeAndBound();
1863
1864             }
1865
1866         }
1867
1868         @Override
1869         public void onServiceDisconnected(ComponentName component) {
1870             if (component.equals(
1871                     new ComponentName(AuthenticatorActivity.this, OperationsService.class)
1872                 )) {
1873                 Log_OC.e(TAG, "Operations service crashed");
1874                 mOperationsServiceBinder = null;
1875             }
1876         }
1877
1878     }
1879
1880     /**
1881      * Create and show dialog for request authentication to the user
1882      * @param webView   Web view to emebd into the authentication dialog.
1883      * @param handler   Object responsible for catching and recovering HTTP authentication fails.
1884      */
1885     public void createAuthenticationDialog(WebView webView, HttpAuthHandler handler) {
1886
1887         // Show a dialog with the certificate info
1888         CredentialsDialogFragment dialog =
1889                 CredentialsDialogFragment.newInstanceForCredentials(webView, handler);
1890         FragmentManager fm = getSupportFragmentManager();
1891         FragmentTransaction ft = fm.beginTransaction();
1892         ft.addToBackStack(null);
1893         dialog.setCancelable(false);
1894         dialog.show(ft, CREDENTIALS_DIALOG_TAG);
1895
1896         if (!mIsFirstAuthAttempt) {
1897             Toast.makeText(
1898                     getApplicationContext(),
1899                     getText(R.string.saml_authentication_wrong_pass),
1900                     Toast.LENGTH_LONG
1901             ).show();
1902         } else {
1903             mIsFirstAuthAttempt = false;
1904         }
1905     }
1906
1907     /**
1908      * For retrieving the clicking on authentication cancel button
1909      */
1910     public void doNegativeAuthenticatioDialogClick(){
1911         mIsFirstAuthAttempt = true;
1912     }
1913
1914 }