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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012  Bartek Przybylski
   3  *   Copyright (C) 2012-2014 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.authentication;
  20
  21 import java.security.cert.X509Certificate;
  22 import java.util.Map;
  23
  24 import android.accounts.Account;
  25 import android.accounts.AccountManager;
  26 import android.app.Dialog;
  27 import android.content.ComponentName;
  28 import android.content.Context;
  29 import android.content.Intent;
  30 import android.content.ServiceConnection;
  31 import android.content.SharedPreferences;
  32 import android.graphics.Rect;
  33 import android.graphics.drawable.Drawable;
  34 import android.net.Uri;
  35 import android.net.http.SslError;
  36 import android.os.Bundle;
  37 import android.os.Handler;
  38 import android.os.IBinder;
  39 import android.preference.PreferenceManager;
  40 import android.support.v4.app.Fragment;
  41 import android.support.v4.app.FragmentManager;
  42 import android.support.v4.app.FragmentTransaction;
  43 import android.text.Editable;
  44 import android.text.InputType;
  45 import android.text.TextWatcher;
  46 import android.view.KeyEvent;
  47 import android.view.MotionEvent;
  48 import android.view.View;
  49 import android.view.View.OnFocusChangeListener;
  50 import android.view.View.OnTouchListener;
  51 import android.view.Window;
  52 import android.view.inputmethod.EditorInfo;
  53 import android.webkit.HttpAuthHandler;
  54 import android.webkit.SslErrorHandler;
  55 import android.webkit.WebView;
  56 import android.widget.Button;
  57 import android.widget.CheckBox;
  58 import android.widget.EditText;
  59 import android.widget.TextView;
  60 import android.widget.TextView.OnEditorActionListener;
  61 import android.widget.Toast;
  62
  63 import com.actionbarsherlock.app.SherlockDialogFragment;
  64 import com.owncloud.android.MainApp;
  65 import com.owncloud.android.R;
  66 import com.owncloud.android.authentication.SsoWebViewClient.SsoWebViewClientListener;
  67 import com.owncloud.android.lib.common.accounts.AccountTypeUtils;
  68 import com.owncloud.android.lib.common.accounts.AccountUtils.Constants;
  69 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  70 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  71 import com.owncloud.android.lib.common.operations.RemoteOperation;
  72 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  73 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  74 import com.owncloud.android.lib.common.utils.Log_OC;
  75 import com.owncloud.android.lib.resources.files.ExistenceCheckRemoteOperation;
  76 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  77 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  78 import com.owncloud.android.operations.DetectAuthenticationMethodOperation.AuthenticationMethod;
  79 import com.owncloud.android.operations.GetServerInfoOperation;
  80 import com.owncloud.android.operations.OAuth2GetAccessToken;
  81 import com.owncloud.android.services.OperationsService;
  82 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  83 import com.owncloud.android.ui.dialog.CredentialsDialogFragment;
  84 import com.owncloud.android.ui.dialog.IndeterminateProgressDialog;
  85 import com.owncloud.android.ui.dialog.SamlWebViewDialog;
  86 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  87 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  88 import com.owncloud.android.utils.DisplayUtils;
  89
  90 /**
  91  * This Activity is used to add an ownCloud account to the App
  92  *
  93  * @author Bartek Przybylski
  94  * @author David A. Velasco
  95  * @author masensio
  96  */
  97 public class AuthenticatorActivity extends AccountAuthenticatorActivity
  98 implements  OnRemoteOperationListener, OnFocusChangeListener, OnEditorActionListener,
  99 SsoWebViewClientListener, OnSslUntrustedCertListener {
 100
 101     private static final String TAG = AuthenticatorActivity.class.getSimpleName();
 102
 103     public static final String EXTRA_ACTION = "ACTION";
 104     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 105
 106     private static final String KEY_AUTH_TOKEN_TYPE = "AUTH_TOKEN_TYPE";
 107
 108     private static final String KEY_HOST_URL_TEXT = "HOST_URL_TEXT";
 109     private static final String KEY_OC_VERSION = "OC_VERSION";
 110     private static final String KEY_SERVER_VALID = "SERVER_VALID";
 111     private static final String KEY_SERVER_CHECKED = "SERVER_CHECKED";
 112     private static final String KEY_SERVER_STATUS_TEXT = "SERVER_STATUS_TEXT";
 113     private static final String KEY_SERVER_STATUS_ICON = "SERVER_STATUS_ICON";
 114     private static final String KEY_IS_SSL_CONN = "IS_SSL_CONN";
 115     private static final String KEY_PASSWORD_EXPOSED = "PASSWORD_VISIBLE";
 116     private static final String KEY_AUTH_STATUS_TEXT = "AUTH_STATUS_TEXT";
 117     private static final String KEY_AUTH_STATUS_ICON = "AUTH_STATUS_ICON";
 118     private static final String KEY_SERVER_AUTH_METHOD = "SERVER_AUTH_METHOD";
 119     private static final String KEY_WAITING_FOR_OP_ID = "WAITING_FOR_OP_ID";
 120     private static final String KEY_AUTH_TOKEN = "AUTH_TOKEN";
 121
 122     private static final String AUTH_ON = "on";
 123     private static final String AUTH_OPTIONAL = "optional";
 124
 125     public static final byte ACTION_CREATE = 0;
 126     public static final byte ACTION_UPDATE_TOKEN = 1;               // requested by the user
 127     public static final byte ACTION_UPDATE_EXPIRED_TOKEN = 2;       // detected by the app
 128
 129     private static final String UNTRUSTED_CERT_DIALOG_TAG = "UNTRUSTED_CERT_DIALOG";
 130     private static final String SAML_DIALOG_TAG = "SAML_DIALOG";
 131     private static final String WAIT_DIALOG_TAG = "WAIT_DIALOG";
 132     private static final String CREDENTIALS_DIALOG_TAG = "CREDENTIALS_DIALOG";
 133     private static final String KEY_AUTH_IS_FIRST_ATTEMPT_TAG = "KEY_AUTH_IS_FIRST_ATTEMPT";
 134
 135
 136     /// parameters from EXTRAs in starter Intent
 137     private byte mAction;
 138     private Account mAccount;
 139     private String mAuthTokenType;
 140
 141
 142     /// activity-level references / state
 143     private final Handler mHandler = new Handler();
 144     private ServiceConnection mOperationsServiceConnection = null;
 145     private OperationsServiceBinder mOperationsServiceBinder = null;
 146     private AccountManager mAccountMgr;
 147     private Uri mNewCapturedUriFromOAuth2Redirection;
 148
 149
 150     /// Server PRE-Fragment elements
 151     private EditText mHostUrlInput;
 152     private View mRefreshButton;
 153     private TextView mServerStatusView;
 154
 155     private TextWatcher mHostUrlInputWatcher;
 156     private int mServerStatusText = 0, mServerStatusIcon = 0;
 157
 158     private boolean mServerIsChecked = false;
 159     private boolean mServerIsValid = false;
 160     private boolean mPendingAutoCheck = false;
 161
 162     private GetServerInfoOperation.ServerInfo mServerInfo =
 163             new GetServerInfoOperation.ServerInfo();
 164
 165
 166     /// Authentication PRE-Fragment elements
 167     private CheckBox mOAuth2Check;
 168     private TextView mOAuthAuthEndpointText;
 169     private TextView mOAuthTokenEndpointText;
 170     private EditText mUsernameInput;
 171     private EditText mPasswordInput;
 172     private View mOkButton;
 173     private TextView mAuthStatusView;
 174
 175     private int mAuthStatusText = 0, mAuthStatusIcon = 0;
 176
 177     private String mAuthToken = "";
 178
 179     private boolean mIsFirstAuthAttempt;
 180
 181
 182     /// Identifier of operation in progress which result shouldn't be lost
 183     private long mWaitingForOpId = Long.MAX_VALUE;
 184
 185
 186     /**
 187      * {@inheritDoc}
 188      *
 189      * IMPORTANT ENTRY POINT 1: activity is shown to the user
 190      */
 191     @Override
 192     protected void onCreate(Bundle savedInstanceState) {
 193         //Log_OC.wtf(TAG,  "onCreate init");
 194         super.onCreate(savedInstanceState);
 195         getWindow().requestFeature(Window.FEATURE_NO_TITLE);
 196
 197         mIsFirstAuthAttempt = true;
 198
 199         // bind to Operations Service
 200         mOperationsServiceConnection = new OperationsServiceConnection();
 201         if (!bindService(new Intent(this, OperationsService.class),
 202                 mOperationsServiceConnection,
 203                 Context.BIND_AUTO_CREATE)) {
 204             Toast.makeText(this,
 205                     R.string.error_cant_bind_to_operations_service,
 206                     Toast.LENGTH_LONG)
 207                         .show();
 208             finish();
 209         }
 210
 211         /// init activity state
 212         mAccountMgr = AccountManager.get(this);
 213         mNewCapturedUriFromOAuth2Redirection = null;
 214
 215         /// get input values
 216         mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE);
 217         mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 218         if (savedInstanceState == null) {
 219             initAuthTokenType();
 220         } else {
 221             mAuthTokenType = savedInstanceState.getString(KEY_AUTH_TOKEN_TYPE);
 222             mWaitingForOpId = savedInstanceState.getLong(KEY_WAITING_FOR_OP_ID);
 223             mIsFirstAuthAttempt = savedInstanceState.getBoolean(KEY_AUTH_IS_FIRST_ATTEMPT_TAG);
 224         }
 225
 226         /// load user interface
 227         setContentView(R.layout.account_setup);
 228
 229         /// initialize general UI elements
 230         initOverallUi(savedInstanceState);
 231
 232         mOkButton = findViewById(R.id.buttonOK);
 233
 234         /// initialize block to be moved to single Fragment to check server and get info about it
 235         initServerPreFragment(savedInstanceState);
 236
 237         /// initialize block to be moved to single Fragment to retrieve and validate credentials
 238         initAuthorizationPreFragment(savedInstanceState);
 239
 240         //Log_OC.wtf(TAG,  "onCreate end");
 241     }
 242
 243     private void initAuthTokenType() {
 244         mAuthTokenType =
 245                 getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 246         if (mAuthTokenType == null) {
 247             if (mAccount != null) {
 248                 boolean oAuthRequired =
 249                     (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2) != null);
 250                 boolean samlWebSsoRequired = (
 251                     mAccountMgr.getUserData(
 252                         mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO
 253                     ) != null
 254                 );
 255                 mAuthTokenType = chooseAuthTokenType(oAuthRequired, samlWebSsoRequired);
 256
 257             } else {
 258                 boolean oAuthSupported = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
 259                 boolean samlWebSsoSupported =
 260                         AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));
 261                 mAuthTokenType = chooseAuthTokenType(oAuthSupported, samlWebSsoSupported);
 262             }
 263         }
 264     }
 265
 266     private String chooseAuthTokenType(boolean oauth, boolean saml) {
 267         if (saml) {
 268             return AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 269         } else if (oauth) {
 270              return AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
 271         } else {
 272             return AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 273         }
 274     }
 275
 276
 277     /**
 278      * Configures elements in the user interface under direct control of the Activity.
 279      *
 280      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 281      */
 282     private void initOverallUi(Bundle savedInstanceState) {
 283
 284         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 285         boolean isWelcomeLinkVisible = getResources().getBoolean(R.bool.show_welcome_link);
 286
 287         String instructionsMessageText = null;
 288         if (mAction == ACTION_UPDATE_EXPIRED_TOKEN) {
 289             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType())
 290                     .equals(mAuthTokenType)) {
 291                 instructionsMessageText = getString(R.string.auth_expired_oauth_token_toast);
 292
 293             } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType())
 294                     .equals(mAuthTokenType)) {
 295                 instructionsMessageText = getString(R.string.auth_expired_saml_sso_token_toast);
 296
 297             } else {
 298                 instructionsMessageText = getString(R.string.auth_expired_basic_auth_toast);
 299             }
 300         }
 301
 302         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 303         Button welcomeLink = (Button) findViewById(R.id.welcome_link);
 304         welcomeLink.setVisibility(isWelcomeLinkVisible ? View.VISIBLE : View.GONE);
 305         welcomeLink.setText(
 306                 String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 307
 308         TextView instructionsView = (TextView) findViewById(R.id.instructions_message);
 309         if (instructionsMessageText != null) {
 310             instructionsView.setVisibility(View.VISIBLE);
 311             instructionsView.setText(instructionsMessageText);
 312         } else {
 313             instructionsView.setVisibility(View.GONE);
 314         }
 315     }
 316
 317
 318     /**
 319      *
 320      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 321      */
 322     private void initServerPreFragment(Bundle savedInstanceState) {
 323
 324         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 325         boolean isUrlInputAllowed = getResources().getBoolean(R.bool.show_server_url_input);
 326         if (savedInstanceState == null) {
 327             if (mAccount != null) {
 328                 mServerInfo.mBaseUrl = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_BASE_URL);
 329                 // TODO do next in a setter for mBaseUrl
 330                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");
 331                 String ocVersion = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION);
 332                 if (ocVersion != null) {
 333                     mServerInfo.mVersion = new OwnCloudVersion(ocVersion);
 334                 }
 335             } else {
 336                 mServerInfo.mBaseUrl = getString(R.string.server_url).trim();
 337                 mServerInfo.mIsSslConn = mServerInfo.mBaseUrl.startsWith("https://");
 338             }
 339         } else {
 340             mServerStatusText = savedInstanceState.getInt(KEY_SERVER_STATUS_TEXT);
 341             mServerStatusIcon = savedInstanceState.getInt(KEY_SERVER_STATUS_ICON);
 342
 343             mServerIsValid = savedInstanceState.getBoolean(KEY_SERVER_VALID);
 344             mServerIsChecked = savedInstanceState.getBoolean(KEY_SERVER_CHECKED);
 345
 346             // TODO parcelable
 347             mServerInfo.mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 348             mServerInfo.mBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 349             String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 350             if (ocVersion != null) {
 351                 mServerInfo.mVersion = new OwnCloudVersion(ocVersion);
 352             }
 353             mServerInfo.mAuthMethod = AuthenticationMethod.valueOf(
 354                     savedInstanceState.getString(KEY_SERVER_AUTH_METHOD));
 355
 356         }
 357
 358         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 359         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 360         // Convert IDN to Unicode
 361         mHostUrlInput.setText(DisplayUtils.convertIdn(mServerInfo.mBaseUrl, false));
 362         if (mAction != ACTION_CREATE) {
 363             /// lock things that should not change
 364             mHostUrlInput.setEnabled(false);
 365             mHostUrlInput.setFocusable(false);
 366         }
 367         if (isUrlInputAllowed) {
 368             mRefreshButton = findViewById(R.id.embeddedRefreshButton);
 369         } else {
 370             findViewById(R.id.hostUrlFrame).setVisibility(View.GONE);
 371             mRefreshButton = findViewById(R.id.centeredRefreshButton);
 372         }
 373         showRefreshButton(mServerIsChecked && !mServerIsValid &&
 374                 mWaitingForOpId > Integer.MAX_VALUE);
 375         mServerStatusView = (TextView) findViewById(R.id.server_status_text);
 376         showServerStatus();
 377
 378         /// step 3 - bind some listeners and options
 379         mHostUrlInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 380         mHostUrlInput.setOnEditorActionListener(this);
 381
 382         /// step 4 - create listeners that will be bound at onResume
 383         mHostUrlInputWatcher = new TextWatcher() {
 384
 385             @Override
 386             public void afterTextChanged(Editable s) {
 387                 if (mOkButton.isEnabled() &&
 388                         !mServerInfo.mBaseUrl.equals(
 389                                 normalizeUrl(s.toString(), mServerInfo.mIsSslConn))) {
 390                     mOkButton.setEnabled(false);
 391                 }
 392             }
 393
 394             @Override
 395             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 396             }
 397
 398             @Override
 399             public void onTextChanged(CharSequence s, int start, int before, int count) {
 400                 if (mAuthStatusIcon != 0) {
 401                     Log_OC.d(TAG, "onTextChanged: hiding authentication status");
 402                     mAuthStatusIcon = 0;
 403                     mAuthStatusText = 0;
 404                     showAuthStatus();
 405                 }
 406             }
 407         };
 408
 409
 410         // TODO find out if this is really necessary, or if it can done in a different way
 411         findViewById(R.id.scroll).setOnTouchListener(new OnTouchListener() {
 412             @Override
 413             public boolean onTouch(View view, MotionEvent event) {
 414                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 415                     if (
 416                             AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(
 417                                     MainApp.getAccountType()
 418                                     ).equals(mAuthTokenType) &&
 419                             mHostUrlInput.hasFocus()
 420                     ) {
 421                         checkOcServer();
 422                     }
 423                 }
 424                 return false;
 425             }
 426         });
 427
 428
 429         /// step 4 - mark automatic check to be started when OperationsService is ready
 430         mPendingAutoCheck = (savedInstanceState == null &&
 431                 (mAction != ACTION_CREATE || !isUrlInputAllowed));
 432     }
 433
 434
 435     /**
 436      *
 437      * @param savedInstanceState        Saved activity state, as in {{@link #onCreate(Bundle)}
 438      */
 439     private void initAuthorizationPreFragment(Bundle savedInstanceState) {
 440
 441         /// step 0 - get UI elements in layout
 442         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 443         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 444         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 445         mUsernameInput = (EditText) findViewById(R.id.account_username);
 446         mPasswordInput = (EditText) findViewById(R.id.account_password);
 447         mAuthStatusView = (TextView) findViewById(R.id.auth_status_text);
 448
 449         /// step 1 - load and process relevant inputs (resources, intent, savedInstanceState)
 450         String presetUserName = null;
 451         boolean isPasswordExposed = false;
 452         if (savedInstanceState == null) {
 453             if (mAccount != null) {
 454                 presetUserName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 455             }
 456
 457         } else {
 458             isPasswordExposed = savedInstanceState.getBoolean(KEY_PASSWORD_EXPOSED, false);
 459             mAuthStatusText = savedInstanceState.getInt(KEY_AUTH_STATUS_TEXT);
 460             mAuthStatusIcon = savedInstanceState.getInt(KEY_AUTH_STATUS_ICON);
 461             mAuthToken = savedInstanceState.getString(KEY_AUTH_TOKEN);
 462         }
 463
 464         /// step 2 - set properties of UI elements (text, visibility, enabled...)
 465         mOAuth2Check.setChecked(
 466                 AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType())
 467                     .equals(mAuthTokenType));
 468         if (presetUserName != null) {
 469             mUsernameInput.setText(presetUserName);
 470         }
 471         if (mAction != ACTION_CREATE) {
 472             mUsernameInput.setEnabled(false);
 473             mUsernameInput.setFocusable(false);
 474         }
 475         mPasswordInput.setText(""); // clean password to avoid social hacking
 476         if (isPasswordExposed) {
 477             showPassword();
 478         }
 479         updateAuthenticationPreFragmentVisibility();
 480         showAuthStatus();
 481         mOkButton.setEnabled(mServerIsValid);
 482
 483
 484         /// step 3 - bind listeners
 485         // bindings for password input field
 486         mPasswordInput.setOnFocusChangeListener(this);
 487         mPasswordInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
 488         mPasswordInput.setOnEditorActionListener(this);
 489         mPasswordInput.setOnTouchListener(new RightDrawableOnTouchListener() {
 490             @Override
 491             public boolean onDrawableTouch(final MotionEvent event) {
 492                 if (event.getAction() == MotionEvent.ACTION_UP) {
 493                     AuthenticatorActivity.this.onViewPasswordClick();
 494                 }
 495                 return true;
 496             }
 497         });
 498
 499     }
 500
 501
 502     /**
 503      * Changes the visibility of input elements depending on
 504      * the current authorization method.
 505      */
 506     private void updateAuthenticationPreFragmentVisibility () {
 507         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 508                 equals(mAuthTokenType)) {
 509             // SAML-based web Single Sign On
 510             mOAuth2Check.setVisibility(View.GONE);
 511             mOAuthAuthEndpointText.setVisibility(View.GONE);
 512             mOAuthTokenEndpointText.setVisibility(View.GONE);
 513             mUsernameInput.setVisibility(View.GONE);
 514             mPasswordInput.setVisibility(View.GONE);
 515
 516         } else {
 517             if (mAction == ACTION_CREATE &&
 518                     AUTH_OPTIONAL.equals(getString(R.string.auth_method_oauth2))) {
 519                 mOAuth2Check.setVisibility(View.VISIBLE);
 520             } else {
 521                 mOAuth2Check.setVisibility(View.GONE);
 522             }
 523
 524             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
 525                     equals(mAuthTokenType)) {
 526                 // OAuth 2 authorization
 527
 528                 mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
 529                 mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
 530                 mUsernameInput.setVisibility(View.GONE);
 531                 mPasswordInput.setVisibility(View.GONE);
 532
 533             } else {
 534                 // basic HTTP authorization
 535                 mOAuthAuthEndpointText.setVisibility(View.GONE);
 536                 mOAuthTokenEndpointText.setVisibility(View.GONE);
 537                 mUsernameInput.setVisibility(View.VISIBLE);
 538                 mPasswordInput.setVisibility(View.VISIBLE);
 539             }
 540         }
 541     }
 542
 543
 544
 545     /**
 546      * Saves relevant state before {@link #onPause()}
 547      *
 548      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag,
 549      * intended to defer the processing of the redirection caught in
 550      * {@link #onNewIntent(Intent)} until {@link #onResume()}
 551      *
 552      * See {@link #loadSavedInstanceState(Bundle)}
 553      */
 554     @Override
 555     protected void onSaveInstanceState(Bundle outState) {
 556         //Log_OC.wtf(TAG, "onSaveInstanceState init" );
 557         super.onSaveInstanceState(outState);
 558
 559         /// global state
 560         outState.putString(KEY_AUTH_TOKEN_TYPE, mAuthTokenType);
 561         outState.putLong(KEY_WAITING_FOR_OP_ID, mWaitingForOpId);
 562
 563         /// Server PRE-fragment state
 564         outState.putInt(KEY_SERVER_STATUS_TEXT, mServerStatusText);
 565         outState.putInt(KEY_SERVER_STATUS_ICON, mServerStatusIcon);
 566         outState.putBoolean(KEY_SERVER_CHECKED, mServerIsChecked);
 567         outState.putBoolean(KEY_SERVER_VALID, mServerIsValid);
 568         outState.putBoolean(KEY_IS_SSL_CONN, mServerInfo.mIsSslConn);
 569         outState.putString(KEY_HOST_URL_TEXT, mServerInfo.mBaseUrl);
 570         if (mServerInfo.mVersion != null) {
 571             outState.putString(KEY_OC_VERSION, mServerInfo.mVersion.getVersion());
 572         }
 573         outState.putString(KEY_SERVER_AUTH_METHOD, mServerInfo.mAuthMethod.name());
 574
 575         /// Authentication PRE-fragment state
 576         outState.putBoolean(KEY_PASSWORD_EXPOSED, isPasswordVisible());
 577         outState.putInt(KEY_AUTH_STATUS_ICON, mAuthStatusIcon);
 578         outState.putInt(KEY_AUTH_STATUS_TEXT, mAuthStatusText);
 579         outState.putString(KEY_AUTH_TOKEN, mAuthToken);
 580
 581         /// authentication
 582         outState.putBoolean(KEY_AUTH_IS_FIRST_ATTEMPT_TAG, mIsFirstAuthAttempt);
 583
 584         //Log_OC.wtf(TAG, "onSaveInstanceState end" );
 585     }
 586
 587
 588     /**
 589      * The redirection triggered by the OAuth authentication server as response to the
 590      * GET AUTHORIZATION request is caught here.
 591      *
 592      * To make this possible, this activity needs to be qualified with android:launchMode =
 593      * "singleTask" in the AndroidManifest.xml file.
 594      */
 595     @Override
 596     protected void onNewIntent (Intent intent) {
 597         Log_OC.d(TAG, "onNewIntent()");
 598         Uri data = intent.getData();
 599         if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) {
 600             mNewCapturedUriFromOAuth2Redirection = data;
 601         }
 602     }
 603
 604
 605     /**
 606      * The redirection triggered by the OAuth authentication server as response to the
 607      * GET AUTHORIZATION, and deferred in {@link #onNewIntent(Intent)}, is processed here.
 608      */
 609     @Override
 610     protected void onResume() {
 611         //Log_OC.wtf(TAG, "onResume init" );
 612         super.onResume();
 613
 614         // bound here to avoid spurious changes triggered by Android on device rotations
 615         mHostUrlInput.setOnFocusChangeListener(this);
 616         mHostUrlInput.addTextChangedListener(mHostUrlInputWatcher);
 617
 618         if (mNewCapturedUriFromOAuth2Redirection != null) {
 619             getOAuth2AccessTokenFromCapturedRedirection();
 620         }
 621
 622         if (mOperationsServiceBinder != null) {
 623             doOnResumeAndBound();
 624         }
 625
 626         //Log_OC.wtf(TAG, "onResume end" );
 627     }
 628
 629
 630     @Override
 631     protected void onPause() {
 632         //Log_OC.wtf(TAG, "onPause init" );
 633         if (mOperationsServiceBinder != null) {
 634             //Log_OC.wtf(TAG, "unregistering to listen for operation callbacks" );
 635             mOperationsServiceBinder.removeOperationListener(this);
 636         }
 637
 638         mHostUrlInput.removeTextChangedListener(mHostUrlInputWatcher);
 639         mHostUrlInput.setOnFocusChangeListener(null);
 640
 641         super.onPause();
 642         //Log_OC.wtf(TAG, "onPause end" );
 643     }
 644
 645     @Override
 646     protected void onDestroy() {
 647
 648         mHostUrlInputWatcher = null;
 649
 650         if (mOperationsServiceConnection != null) {
 651             unbindService(mOperationsServiceConnection);
 652             mOperationsServiceBinder = null;
 653         }
 654         super.onDestroy();
 655     }
 656
 657
 658     /**
 659      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 660      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 661      */
 662     private void getOAuth2AccessTokenFromCapturedRedirection() {
 663         /// Parse data from OAuth redirection
 664         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 665         mNewCapturedUriFromOAuth2Redirection = null;
 666
 667         /// Showing the dialog with instructions for the user.
 668         IndeterminateProgressDialog dialog =
 669                 IndeterminateProgressDialog.newInstance(R.string.auth_getting_authorization, true);
 670         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 671
 672         /// GET ACCESS TOKEN to the oAuth server
 673         Intent getServerInfoIntent = new Intent();
 674         getServerInfoIntent.setAction(OperationsService.ACTION_OAUTH2_GET_ACCESS_TOKEN);
 675
 676         getServerInfoIntent.putExtra(
 677                 OperationsService.EXTRA_SERVER_URL,
 678                 mOAuthTokenEndpointText.getText().toString().trim());
 679
 680         getServerInfoIntent.putExtra(
 681                 OperationsService.EXTRA_OAUTH2_QUERY_PARAMETERS,
 682                 queryParameters);
 683
 684         if (mOperationsServiceBinder != null) {
 685             //Log_OC.wtf(TAG, "getting access token..." );
 686             mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getServerInfoIntent);
 687         }
 688     }
 689
 690
 691
 692     /**
 693      * Handles the change of focus on the text inputs for the server URL and the password
 694      */
 695     public void onFocusChange(View view, boolean hasFocus) {
 696         if (view.getId() == R.id.hostUrlInput) {
 697             if (!hasFocus) {
 698                 onUrlInputFocusLost((TextView) view);
 699             }
 700             else {
 701                 showRefreshButton(false);
 702             }
 703
 704         } else if (view.getId() == R.id.account_password) {
 705             onPasswordFocusChanged((TextView) view, hasFocus);
 706         }
 707     }
 708
 709
 710     /**
 711      * Handles changes in focus on the text input for the server URL.
 712      *
 713      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 714      * other field. The operation to check the existence of the server in the entered URL is
 715      * started.
 716      *
 717      * When hasFocus:    user 'comes back' to write again the server URL.
 718      *
 719      * @param hostInput     TextView with the URL input field receiving the change of focus.
 720      */
 721     private void onUrlInputFocusLost(TextView hostInput) {
 722         if (!mServerInfo.mBaseUrl.equals(
 723                 normalizeUrl(mHostUrlInput.getText().toString(), mServerInfo.mIsSslConn))) {
 724             // check server again only if the user changed something in the field
 725             checkOcServer();
 726         } else {
 727             mOkButton.setEnabled(mServerIsValid);
 728             showRefreshButton(!mServerIsValid);
 729         }
 730     }
 731
 732
 733     private void checkOcServer() {
 734         String uri = mHostUrlInput.getText().toString().trim();
 735         mServerIsValid = false;
 736         mServerIsChecked = false;
 737         mOkButton.setEnabled(false);
 738         mServerInfo = new GetServerInfoOperation.ServerInfo();
 739         showRefreshButton(false);
 740
 741         if (uri.length() != 0) {
 742             // Handle internationalized domain names
 743             uri = DisplayUtils.convertIdn(uri, true);
 744             mServerStatusText = R.string.auth_testing_connection;
 745             mServerStatusIcon = R.drawable.progress_small;
 746             showServerStatus();
 747
 748             Intent getServerInfoIntent = new Intent();
 749             getServerInfoIntent.setAction(OperationsService.ACTION_GET_SERVER_INFO);
 750             getServerInfoIntent.putExtra(
 751                 OperationsService.EXTRA_SERVER_URL,
 752                 normalizeUrlSuffix(uri)
 753             );
 754             if (mOperationsServiceBinder != null) {
 755                 mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getServerInfoIntent);
 756             } else {
 757               Log_OC.wtf(TAG, "Server check tried with OperationService unbound!" );
 758             }
 759
 760         } else {
 761             mServerStatusText = 0;
 762             mServerStatusIcon = 0;
 763             showServerStatus();
 764         }
 765     }
 766
 767
 768     /**
 769      * Handles changes in focus on the text input for the password (basic authorization).
 770      *
 771      * When (hasFocus), the button to toggle password visibility is shown.
 772      *
 773      * When (!hasFocus), the button is made invisible and the password is hidden.
 774      *
 775      * @param passwordInput    TextView with the password input field receiving the change of focus.
 776      * @param hasFocus          'True' if focus is received, 'false' if is lost
 777      */
 778     private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {
 779         if (hasFocus) {
 780             showViewPasswordButton();
 781         } else {
 782             hidePassword();
 783             hidePasswordButton();
 784         }
 785     }
 786
 787
 788     private void showViewPasswordButton() {
 789         int drawable = R.drawable.ic_view;
 790         if (isPasswordVisible()) {
 791             drawable = R.drawable.ic_hide;
 792         }
 793         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 794     }
 795
 796     private boolean isPasswordVisible() {
 797         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) ==
 798                 InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 799     }
 800
 801     private void hidePasswordButton() {
 802         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 803     }
 804
 805     private void showPassword() {
 806         mPasswordInput.setInputType(
 807                 InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD
 808         );
 809         showViewPasswordButton();
 810     }
 811
 812     private void hidePassword() {
 813         mPasswordInput.setInputType(
 814                 InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD
 815         );
 816         showViewPasswordButton();
 817     }
 818
 819     /**
 820      * Checks the credentials of the user in the root of the ownCloud server
 821      * before creating a new local account.
 822      *
 823      * For basic authorization, a check of existence of the root folder is
 824      * performed.
 825      *
 826      * For OAuth, starts the flow to get an access token; the credentials test
 827      * is postponed until it is available.
 828      *
 829      * IMPORTANT ENTRY POINT 4
 830      *
 831      * @param view      OK button
 832      */
 833     public void onOkClick(View view) {
 834         // this check should be unnecessary
 835         if (mServerInfo.mVersion == null ||
 836                 !mServerInfo.mVersion.isVersionValid()  ||
 837                 mServerInfo.mBaseUrl == null ||
 838                 mServerInfo.mBaseUrl.length() == 0) {
 839             mServerStatusIcon = R.drawable.common_error;
 840             mServerStatusText = R.string.auth_wtf_reenter_URL;
 841             showServerStatus();
 842             mOkButton.setEnabled(false);
 843             //Log_OC.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");
 844             return;
 845         }
 846
 847         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
 848                 equals(mAuthTokenType)) {
 849
 850             startOauthorization();
 851         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 852                 equals(mAuthTokenType)) {
 853
 854             startSamlBasedFederatedSingleSignOnAuthorization();
 855         } else {
 856             checkBasicAuthorization();
 857         }
 858     }
 859
 860
 861     /**
 862      * Tests the credentials entered by the user performing a check of existence on
 863      * the root folder of the ownCloud server.
 864      */
 865     private void checkBasicAuthorization() {
 866         /// get basic credentials entered by user
 867         String username = mUsernameInput.getText().toString();
 868         String password = mPasswordInput.getText().toString();
 869
 870         /// be gentle with the user
 871         IndeterminateProgressDialog dialog =
 872                 IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
 873         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 874
 875         /// validate credentials accessing the root folder
 876         accessRootFolderRemoteOperation(username, password);
 877
 878     }
 879
 880     private void accessRootFolderRemoteOperation(String username, String password) {
 881         Intent existenceCheckIntent = new Intent();
 882         existenceCheckIntent.setAction(OperationsService.ACTION_EXISTENCE_CHECK);
 883         existenceCheckIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mServerInfo.mBaseUrl);
 884         existenceCheckIntent.putExtra(OperationsService.EXTRA_REMOTE_PATH, "/");
 885         existenceCheckIntent.putExtra(OperationsService.EXTRA_USERNAME, username);
 886         existenceCheckIntent.putExtra(OperationsService.EXTRA_PASSWORD, password);
 887         existenceCheckIntent.putExtra(OperationsService.EXTRA_AUTH_TOKEN, mAuthToken);
 888
 889         if (mOperationsServiceBinder != null) {
 890             //Log_OC.wtf(TAG, "starting existenceCheckRemoteOperation..." );
 891             mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(existenceCheckIntent);
 892         }
 893     }
 894
 895     /**
 896      * Starts the OAuth 'grant type' flow to get an access token, with
 897      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 898      */
 899     private void startOauthorization() {
 900         // be gentle with the user
 901         mAuthStatusIcon = R.drawable.progress_small;
 902         mAuthStatusText = R.string.oauth_login_connection;
 903         showAuthStatus();
 904
 905         // GET AUTHORIZATION request
 906         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 907         Uri.Builder uriBuilder = uri.buildUpon();
 908         uriBuilder.appendQueryParameter(
 909                 OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type)
 910         );
 911         uriBuilder.appendQueryParameter(
 912                 OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri)
 913         );
 914         uriBuilder.appendQueryParameter(
 915                 OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id)
 916         );
 917         uriBuilder.appendQueryParameter(
 918                 OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope)
 919         );
 920         uri = uriBuilder.build();
 921         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 922         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 923         startActivity(i);
 924     }
 925
 926
 927     /**
 928      * Starts the Web Single Sign On flow to get access to the root folder
 929      * in the server.
 930      */
 931     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 932         // be gentle with the user
 933         mAuthStatusIcon = R.drawable.progress_small;
 934         mAuthStatusText = R.string.auth_connecting_auth_server;
 935         showAuthStatus();
 936         IndeterminateProgressDialog dialog =
 937                 IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
 938         dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
 939
 940         /// validate credentials accessing the root folder
 941         accessRootFolderRemoteOperation("", "");
 942
 943     }
 944
 945     /**
 946      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 947      *
 948      * Dispatches the operation flow to the right method.
 949      */
 950     @Override
 951     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 952
 953         if (operation instanceof GetServerInfoOperation) {
 954             if (operation.hashCode() == mWaitingForOpId) {
 955                 onGetServerInfoFinish(result);
 956             }   // else nothing ; only the last check operation is considered;
 957                 // multiple can be started if the user amends a URL quickly
 958
 959         } else if (operation instanceof OAuth2GetAccessToken) {
 960             onGetOAuthAccessTokenFinish(result);
 961
 962         } else if (operation instanceof ExistenceCheckRemoteOperation)  {
 963             //Log_OC.wtf(TAG, "received detection response through callback" );
 964             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
 965                     equals(mAuthTokenType)) {
 966                 onSamlBasedFederatedSingleSignOnAuthorizationStart(result);
 967
 968             } else {
 969                 onAuthorizationCheckFinish(result);
 970             }
 971         } else if (operation instanceof GetRemoteUserNameOperation) {
 972             onGetUserNameFinish(result);
 973         }
 974
 975     }
 976
 977     private void onGetUserNameFinish(RemoteOperationResult result) {
 978         mWaitingForOpId = Long.MAX_VALUE;
 979         if (result.isSuccess()) {
 980             boolean success = false;
 981             String username = (String) result.getData().get(0);
 982
 983             if ( mAction == ACTION_CREATE) {
 984                 mUsernameInput.setText(username);
 985                 success = createAccount();
 986             } else {
 987
 988                 if (!mUsernameInput.getText().toString().equals(username)) {
 989                     // fail - not a new account, but an existing one; disallow
 990                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
 991                     /*
 992                     OwnCloudClientManagerFactory.getDefaultSingleton().removeClientFor(
 993                             new OwnCloudAccount(
 994                                     Uri.parse(mServerInfo.mBaseUrl),
 995                                     OwnCloudCredentialsFactory.newSamlSsoCredentials(mAuthToken))
 996                             );
 997                             */
 998                     mAuthToken = "";
 999                     updateAuthStatusIconAndText(result);
1000                     showAuthStatus();
1001                     Log_OC.d(TAG, result.getLogMessage());
1002                 } else {
1003                     updateToken();
1004                     success = true;
1005                 }
1006             }
1007
1008             if (success)
1009                 finish();
1010         } else {
1011             updateStatusIconFailUserName();
1012             showAuthStatus();
1013             Log_OC.e(TAG, "Access to user name failed: " + result.getLogMessage());
1014         }
1015
1016     }
1017
1018     private void onSamlBasedFederatedSingleSignOnAuthorizationStart(RemoteOperationResult result) {
1019         mWaitingForOpId = Long.MAX_VALUE;
1020         dismissDialog(WAIT_DIALOG_TAG);
1021
1022         if (result.isIdPRedirection()) {
1023             String url = result.getRedirectedLocation();
1024             String targetUrl = mServerInfo.mBaseUrl
1025                     + AccountUtils.getWebdavPath(mServerInfo.mVersion, mAuthTokenType);
1026
1027             // Show dialog
1028             SamlWebViewDialog dialog = SamlWebViewDialog.newInstance(url, targetUrl);
1029             dialog.show(getSupportFragmentManager(), SAML_DIALOG_TAG);
1030
1031             mAuthStatusIcon = 0;
1032             mAuthStatusText = 0;
1033
1034         } else {
1035             mAuthStatusIcon = R.drawable.common_error;
1036             mAuthStatusText = R.string.auth_unsupported_auth_method;
1037
1038         }
1039         showAuthStatus();
1040     }
1041
1042
1043     /**
1044      * Processes the result of the server check performed when the user finishes the enter of the
1045      * server URL.
1046      *
1047      * @param operation     Server check performed.
1048      * @param result        Result of the check.
1049      */
1050     private void onGetServerInfoFinish(RemoteOperationResult result) {
1051         /// update activity state
1052         mServerIsChecked = true;
1053         mWaitingForOpId = Long.MAX_VALUE;
1054
1055         // update server status, but don't show it yet
1056         updateServerStatusIconAndText(result);
1057
1058         if (result.isSuccess()) {
1059             /// SUCCESS means:
1060             //      1. connection succeeded, and we know if it's SSL or not
1061             //      2. server is installed
1062             //      3. we got the server version
1063             //      4. we got the authentication method required by the server
1064             mServerInfo = (GetServerInfoOperation.ServerInfo) (result.getData().get(0));
1065
1066             if (!authSupported(mServerInfo.mAuthMethod)) {
1067
1068                 updateServerStatusIconNoRegularAuth();  // overrides updateServerStatusIconAndText()
1069                 mServerIsValid = false;
1070
1071             } else {
1072                 mServerIsValid = true;
1073             }
1074
1075         } else {
1076             mServerIsValid = false;
1077         }
1078
1079         // refresh UI
1080         showRefreshButton(!mServerIsValid);
1081         showServerStatus();
1082         mOkButton.setEnabled(mServerIsValid);
1083
1084         /// very special case (TODO: move to a common place for all the remote operations)
1085         if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1086             showUntrustedCertDialog(result);
1087         }
1088     }
1089
1090
1091     private boolean authSupported(AuthenticationMethod authMethod) {
1092         String basic = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1093         String oAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1094         String saml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
1095
1096         return (( mAuthTokenType.equals(basic) &&
1097                     authMethod.equals(AuthenticationMethod.BASIC_HTTP_AUTH) ) ||
1098                 ( mAuthTokenType.equals(oAuth) &&
1099                     authMethod.equals(AuthenticationMethod.BEARER_TOKEN)) ||
1100                 ( mAuthTokenType.equals(saml)  &&
1101                     authMethod.equals(AuthenticationMethod.SAML_WEB_SSO))
1102         );
1103     }
1104
1105
1106     // TODO remove, if possible
1107     private String normalizeUrl(String url, boolean sslWhenUnprefixed) {
1108         if (url != null && url.length() > 0) {
1109             url = url.trim();
1110             if (!url.toLowerCase().startsWith("http://") &&
1111                     !url.toLowerCase().startsWith("https://")) {
1112                 if (sslWhenUnprefixed) {
1113                     url = "https://" + url;
1114                 } else {
1115                     url = "http://" + url;
1116                 }
1117             }
1118
1119             url = normalizeUrlSuffix(url);
1120         }
1121         return (url != null ? url : "");
1122     }
1123
1124
1125     private String normalizeUrlSuffix(String url) {
1126         if (url.endsWith("/")) {
1127             url = url.substring(0, url.length() - 1);
1128         }
1129         url = trimUrlWebdav(url);
1130         return url;
1131     }
1132
1133
1134     // TODO remove, if possible
1135     private String trimUrlWebdav(String url){
1136         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){
1137             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length());
1138         } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){
1139             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length());
1140         } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){
1141             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length());
1142         }
1143         return (url != null ? url : "");
1144     }
1145
1146
1147     /**
1148      * Chooses the right icon and text to show to the user for the received operation result.
1149      *
1150      * @param result    Result of a remote operation performed in this activity
1151      */
1152     private void updateServerStatusIconAndText(RemoteOperationResult result) {
1153         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1154
1155         switch (result.getCode()) {
1156         case OK_SSL:
1157             mServerStatusIcon = android.R.drawable.ic_secure;
1158             mServerStatusText = R.string.auth_secure_connection;
1159             break;
1160
1161         case OK_NO_SSL:
1162         case OK:
1163             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1164                 mServerStatusText = R.string.auth_connection_established;
1165                 mServerStatusIcon = R.drawable.ic_ok;
1166             } else {
1167                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1168                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
1169             }
1170             break;
1171
1172         case NO_NETWORK_CONNECTION:
1173             mServerStatusIcon = R.drawable.no_network;
1174             mServerStatusText = R.string.auth_no_net_conn_title;
1175             break;
1176
1177         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1178             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1179             break;
1180         case BAD_OC_VERSION:
1181             mServerStatusText = R.string.auth_bad_oc_version_title;
1182             break;
1183         case WRONG_CONNECTION:
1184             mServerStatusText = R.string.auth_wrong_connection_title;
1185             break;
1186         case TIMEOUT:
1187             mServerStatusText = R.string.auth_timeout_title;
1188             break;
1189         case INCORRECT_ADDRESS:
1190             mServerStatusText = R.string.auth_incorrect_address_title;
1191             break;
1192         case SSL_ERROR:
1193             mServerStatusText = R.string.auth_ssl_general_error_title;
1194             break;
1195         case UNAUTHORIZED:
1196             mServerStatusText = R.string.auth_unauthorized;
1197             break;
1198         case HOST_NOT_AVAILABLE:
1199             mServerStatusText = R.string.auth_unknown_host_title;
1200             break;
1201         case INSTANCE_NOT_CONFIGURED:
1202             mServerStatusText = R.string.auth_not_configured_title;
1203             break;
1204         case FILE_NOT_FOUND:
1205             mServerStatusText = R.string.auth_incorrect_path_title;
1206             break;
1207         case OAUTH2_ERROR:
1208             mServerStatusText = R.string.auth_oauth_error;
1209             break;
1210         case OAUTH2_ERROR_ACCESS_DENIED:
1211             mServerStatusText = R.string.auth_oauth_error_access_denied;
1212             break;
1213         case UNHANDLED_HTTP_CODE:
1214         case UNKNOWN_ERROR:
1215             mServerStatusText = R.string.auth_unknown_error_title;
1216             break;
1217         case OK_REDIRECT_TO_NON_SECURE_CONNECTION:
1218             mServerStatusIcon = android.R.drawable.ic_partial_secure;
1219             mServerStatusText = R.string.auth_redirect_non_secure_connection_title;
1220             break;
1221         default:
1222             mServerStatusText = 0;
1223             mServerStatusIcon = 0;
1224         }
1225     }
1226
1227
1228     /**
1229      * Chooses the right icon and text to show to the user for the received operation result.
1230      *
1231      * @param result    Result of a remote operation performed in this activity
1232      */
1233     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1234         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1235
1236         switch (result.getCode()) {
1237         case OK_SSL:
1238             mAuthStatusIcon = android.R.drawable.ic_secure;
1239             mAuthStatusText = R.string.auth_secure_connection;
1240             break;
1241
1242         case OK_NO_SSL:
1243         case OK:
1244             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1245                 mAuthStatusText = R.string.auth_connection_established;
1246                 mAuthStatusIcon = R.drawable.ic_ok;
1247             } else {
1248                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1249                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
1250             }
1251             break;
1252
1253         case NO_NETWORK_CONNECTION:
1254             mAuthStatusIcon = R.drawable.no_network;
1255             mAuthStatusText = R.string.auth_no_net_conn_title;
1256             break;
1257
1258         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1259             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1260             break;
1261         case BAD_OC_VERSION:
1262             mAuthStatusText = R.string.auth_bad_oc_version_title;
1263             break;
1264         case WRONG_CONNECTION:
1265             mAuthStatusText = R.string.auth_wrong_connection_title;
1266             break;
1267         case TIMEOUT:
1268             mAuthStatusText = R.string.auth_timeout_title;
1269             break;
1270         case INCORRECT_ADDRESS:
1271             mAuthStatusText = R.string.auth_incorrect_address_title;
1272             break;
1273         case SSL_ERROR:
1274             mAuthStatusText = R.string.auth_ssl_general_error_title;
1275             break;
1276         case UNAUTHORIZED:
1277             mAuthStatusText = R.string.auth_unauthorized;
1278             break;
1279         case HOST_NOT_AVAILABLE:
1280             mAuthStatusText = R.string.auth_unknown_host_title;
1281             break;
1282         case INSTANCE_NOT_CONFIGURED:
1283             mAuthStatusText = R.string.auth_not_configured_title;
1284             break;
1285         case FILE_NOT_FOUND:
1286             mAuthStatusText = R.string.auth_incorrect_path_title;
1287             break;
1288         case OAUTH2_ERROR:
1289             mAuthStatusText = R.string.auth_oauth_error;
1290             break;
1291         case OAUTH2_ERROR_ACCESS_DENIED:
1292             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1293             break;
1294         case ACCOUNT_NOT_NEW:
1295             mAuthStatusText = R.string.auth_account_not_new;
1296             break;
1297         case ACCOUNT_NOT_THE_SAME:
1298             mAuthStatusText = R.string.auth_account_not_the_same;
1299             break;
1300         case UNHANDLED_HTTP_CODE:
1301         case UNKNOWN_ERROR:
1302             mAuthStatusText = R.string.auth_unknown_error_title;
1303             break;
1304         default:
1305             mAuthStatusText = 0;
1306             mAuthStatusIcon = 0;
1307         }
1308     }
1309
1310
1311     private void updateStatusIconFailUserName(){
1312         mAuthStatusIcon = R.drawable.common_error;
1313         mAuthStatusText = R.string.auth_fail_get_user_name;
1314     }
1315
1316     private void updateServerStatusIconNoRegularAuth(){
1317         mServerStatusIcon = R.drawable.common_error;
1318         mServerStatusText = R.string.auth_can_not_auth_against_server;
1319     }
1320
1321     /**
1322      * Processes the result of the request for and access token send
1323      * to an OAuth authorization server.
1324      *
1325      * @param result        Result of the operation.
1326      */
1327     private void onGetOAuthAccessTokenFinish(RemoteOperationResult result) {
1328         mWaitingForOpId = Long.MAX_VALUE;
1329         dismissDialog(WAIT_DIALOG_TAG);
1330
1331         if (result.isSuccess()) {
1332             /// be gentle with the user
1333             IndeterminateProgressDialog dialog =
1334                     IndeterminateProgressDialog.newInstance(R.string.auth_trying_to_login, true);
1335             dialog.show(getSupportFragmentManager(), WAIT_DIALOG_TAG);
1336
1337             /// time to test the retrieved access token on the ownCloud server
1338             @SuppressWarnings("unchecked")
1339             Map<String, String> tokens = (Map<String, String>)(result.getData().get(0));
1340             mAuthToken = tokens.get(OAuth2Constants.KEY_ACCESS_TOKEN);
1341             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1342
1343             accessRootFolderRemoteOperation("", "");
1344
1345         } else {
1346             updateAuthStatusIconAndText(result);
1347             showAuthStatus();
1348             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1349         }
1350     }
1351
1352
1353     /**
1354      * Processes the result of the access check performed to try the user credentials.
1355      *
1356      * Creates a new account through the AccountManager.
1357      *
1358      * @param operation     Access check performed.
1359      * @param result        Result of the operation.
1360      */
1361     private void onAuthorizationCheckFinish(RemoteOperationResult result) {
1362         mWaitingForOpId = Long.MAX_VALUE;
1363         dismissDialog(WAIT_DIALOG_TAG);
1364
1365         if (result.isSuccess()) {
1366             Log_OC.d(TAG, "Successful access - time to save the account");
1367
1368             boolean success = false;
1369             if (mAction == ACTION_CREATE) {
1370                 success = createAccount();
1371
1372             } else {
1373                 updateToken();
1374                 success = true;
1375             }
1376
1377             if (success) {
1378                 finish();
1379             }
1380
1381         } else if (result.isServerFail() || result.isException()) {
1382             /// server errors or exceptions in authorization take to requiring a new check of
1383             /// the server
1384             mServerIsChecked = true;
1385             mServerIsValid = false;
1386             mServerInfo = new GetServerInfoOperation.ServerInfo();
1387
1388             // update status icon and text
1389             updateServerStatusIconAndText(result);
1390             showServerStatus();
1391             mAuthStatusIcon = 0;
1392             mAuthStatusText = 0;
1393             showAuthStatus();
1394
1395             // update input controls state
1396             showRefreshButton(true);
1397             mOkButton.setEnabled(false);
1398
1399             // very special case (TODO: move to a common place for all the remote operations)
1400             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1401                 showUntrustedCertDialog(result);
1402             }
1403
1404         } else {    // authorization fail due to client side - probably wrong credentials
1405             updateAuthStatusIconAndText(result);
1406             showAuthStatus();
1407             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1408         }
1409     }
1410
1411
1412
1413
1414     /**
1415      * Sets the proper response to get that the Account Authenticator that started this activity
1416      * saves a new authorization token for mAccount.
1417      */
1418     private void updateToken() {
1419         Bundle response = new Bundle();
1420         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1421         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1422
1423         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).
1424                 equals(mAuthTokenType)) {
1425             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1426             // the next line is necessary, notifications are calling directly to the
1427             // AuthenticatorActivity to update, without AccountManager intervention
1428             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1429
1430         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1431                 equals(mAuthTokenType)) {
1432
1433             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1434             // the next line is necessary; by now, notifications are calling directly to the
1435             // AuthenticatorActivity to update, without AccountManager intervention
1436             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1437
1438         } else {
1439             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1440             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1441         }
1442         setAccountAuthenticatorResult(response);
1443
1444     }
1445
1446
1447     /**
1448      * Creates a new account through the Account Authenticator that started this activity.
1449      *
1450      * This makes the account permanent.
1451      *
1452      * TODO Decide how to name the OAuth accounts
1453      */
1454     private boolean createAccount() {
1455         /// create and save new ownCloud account
1456         boolean isOAuth = AccountTypeUtils.
1457                 getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1458         boolean isSaml =  AccountTypeUtils.
1459                 getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1460
1461         Uri uri = Uri.parse(mServerInfo.mBaseUrl);
1462         String username = mUsernameInput.getText().toString().trim();
1463         if (isOAuth) {
1464             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1465         }
1466         String accountName = com.owncloud.android.lib.common.accounts.AccountUtils.
1467                 buildAccountName(uri, username);
1468         Account newAccount = new Account(accountName, MainApp.getAccountType());
1469         if (AccountUtils.exists(newAccount, getApplicationContext())) {
1470             // fail - not a new account, but an existing one; disallow
1471             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1472             updateAuthStatusIconAndText(result);
1473             showAuthStatus();
1474             Log_OC.d(TAG, result.getLogMessage());
1475             return false;
1476
1477         } else {
1478             mAccount = newAccount;
1479
1480             if (isOAuth || isSaml) {
1481                 // with external authorizations, the password is never input in the app
1482                 mAccountMgr.addAccountExplicitly(mAccount, "", null);
1483             } else {
1484                 mAccountMgr.addAccountExplicitly(
1485                         mAccount, mPasswordInput.getText().toString(), null
1486                 );
1487             }
1488
1489             /// add the new account as default in preferences, if there is none already
1490             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1491             if (defaultAccount == null) {
1492                 SharedPreferences.Editor editor = PreferenceManager
1493                         .getDefaultSharedPreferences(this).edit();
1494                 editor.putString("select_oc_account", accountName);
1495                 editor.commit();
1496             }
1497
1498             /// prepare result to return to the Authenticator
1499             //  TODO check again what the Authenticator makes with it; probably has the same
1500             //  effect as addAccountExplicitly, but it's not well done
1501             final Intent intent = new Intent();
1502             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1503             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1504             /*if (!isOAuth)
1505                 intent.putExtra(AccountManager.KEY_AUTHTOKEN,   MainApp.getAccountType()); */
1506             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1507             if (isOAuth || isSaml) {
1508                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1509             }
1510             /// add user data to the new account; TODO probably can be done in the last parameter
1511             //      addAccountExplicitly, or in KEY_USERDATA
1512             mAccountMgr.setUserData(
1513                     mAccount, Constants.KEY_OC_VERSION,    mServerInfo.mVersion.getVersion()
1514             );
1515             mAccountMgr.setUserData(
1516                     mAccount, Constants.KEY_OC_BASE_URL,   mServerInfo.mBaseUrl
1517             );
1518
1519             if (isSaml) {
1520                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1521             } else if (isOAuth) {
1522                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1523             }
1524
1525             setAccountAuthenticatorResult(intent.getExtras());
1526             setResult(RESULT_OK, intent);
1527
1528             return true;
1529         }
1530     }
1531
1532
1533     /**
1534      * Starts and activity to open the 'new account' page in the ownCloud web site
1535      *
1536      * @param view      'Account register' button
1537      */
1538     public void onRegisterClick(View view) {
1539         Intent register = new Intent(
1540                 Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url))
1541         );
1542         setResult(RESULT_CANCELED);
1543         startActivity(register);
1544     }
1545
1546
1547     /**
1548      * Updates the content and visibility state of the icon and text associated
1549      * to the last check on the ownCloud server.
1550      *
1551      * @param serverStatusText      Resource identifier of the text to show.
1552      * @param serverStatusIcon      Resource identifier of the icon to show.
1553      */
1554     private void showServerStatus() {
1555         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1556             mServerStatusView.setVisibility(View.INVISIBLE);
1557
1558         } else {
1559             mServerStatusView.setText(mServerStatusText);
1560             mServerStatusView.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1561             mServerStatusView.setVisibility(View.VISIBLE);
1562         }
1563
1564     }
1565
1566
1567     /**
1568      * Updates the content and visibility state of the icon and text associated
1569      * to the interactions with the OAuth authorization server.
1570      */
1571     private void showAuthStatus() {
1572         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1573             mAuthStatusView.setVisibility(View.INVISIBLE);
1574
1575         } else {
1576             mAuthStatusView.setText(mAuthStatusText);
1577             mAuthStatusView.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1578             mAuthStatusView.setVisibility(View.VISIBLE);
1579         }
1580     }
1581
1582
1583     private void showRefreshButton (boolean show) {
1584         if (show)  {
1585             mRefreshButton.setVisibility(View.VISIBLE);
1586         } else {
1587             mRefreshButton.setVisibility(View.GONE);
1588         }
1589     }
1590
1591     /**
1592      * Called when the refresh button in the input field for ownCloud host is clicked.
1593      *
1594      * Performs a new check on the URL in the input field.
1595      *
1596      * @param view      Refresh 'button'
1597      */
1598     public void onRefreshClick(View view) {
1599         checkOcServer();
1600     }
1601
1602
1603     /**
1604      * Called when the eye icon in the password field is clicked.
1605      *
1606      * Toggles the visibility of the password in the field.
1607      */
1608     public void onViewPasswordClick() {
1609         int selectionStart = mPasswordInput.getSelectionStart();
1610         int selectionEnd = mPasswordInput.getSelectionEnd();
1611         if (isPasswordVisible()) {
1612             hidePassword();
1613         } else {
1614             showPassword();
1615         }
1616         mPasswordInput.setSelection(selectionStart, selectionEnd);
1617     }
1618
1619
1620     /**
1621      * Called when the checkbox for OAuth authorization is clicked.
1622      *
1623      * Hides or shows the input fields for user & password.
1624      *
1625      * @param view      'View password' 'button'
1626      */
1627     public void onCheckClick(View view) {
1628         CheckBox oAuth2Check = (CheckBox)view;
1629         if (oAuth2Check.isChecked()) {
1630             mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1631         } else {
1632             mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1633         }
1634         updateAuthenticationPreFragmentVisibility();
1635     }
1636
1637
1638     /**
1639      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1640      *
1641      *  Used to trigger the authentication check when the user presses 'enter' after writing the
1642      *  password, or to throw the server test when the only field on screen is the URL input field.
1643      */
1644     @Override
1645     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1646         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null &&
1647                 inputField.equals(mPasswordInput)) {
1648             if (mOkButton.isEnabled()) {
1649                 mOkButton.performClick();
1650             }
1651
1652         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null &&
1653                 inputField.equals(mHostUrlInput)) {
1654             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1655                     equals(mAuthTokenType)) {
1656                 checkOcServer();
1657             }
1658         }
1659         return false;   // always return false to grant that the software keyboard is hidden anyway
1660     }
1661
1662
1663     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1664
1665         private int fuzz = 75;
1666
1667         /**
1668          * {@inheritDoc}
1669          */
1670         @Override
1671         public boolean onTouch(View view, MotionEvent event) {
1672             Drawable rightDrawable = null;
1673             if (view instanceof TextView) {
1674                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1675                 if (drawables.length > 2) {
1676                     rightDrawable = drawables[2];
1677                 }
1678             }
1679             if (rightDrawable != null) {
1680                 final int x = (int) event.getX();
1681                 final int y = (int) event.getY();
1682                 final Rect bounds = rightDrawable.getBounds();
1683                 if (    x >= (view.getRight() - bounds.width() - fuzz) &&
1684                         x <= (view.getRight() - view.getPaddingRight() + fuzz) &&
1685                         y >= (view.getPaddingTop() - fuzz) &&
1686                         y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1687
1688                     return onDrawableTouch(event);
1689                 }
1690             }
1691             return false;
1692         }
1693
1694         public abstract boolean onDrawableTouch(final MotionEvent event);
1695     }
1696
1697
1698     private void getRemoteUserNameOperation(String sessionCookie, boolean followRedirects) {
1699
1700         Intent getUserNameIntent = new Intent();
1701         getUserNameIntent.setAction(OperationsService.ACTION_GET_USER_NAME);
1702         getUserNameIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mServerInfo.mBaseUrl);
1703         getUserNameIntent.putExtra(OperationsService.EXTRA_COOKIE, sessionCookie);
1704
1705         if (mOperationsServiceBinder != null) {
1706             //Log_OC.wtf(TAG, "starting getRemoteUserNameOperation..." );
1707             mWaitingForOpId = mOperationsServiceBinder.queueNewOperation(getUserNameIntent);
1708         }
1709     }
1710
1711
1712     @Override
1713     public void onSsoFinished(String sessionCookie) {
1714         if (sessionCookie != null && sessionCookie.length() > 0) {
1715             Log_OC.d(TAG, "Successful SSO - time to save the account");
1716             mAuthToken = sessionCookie;
1717             getRemoteUserNameOperation(sessionCookie, true);
1718             Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1719             if (fd != null && fd instanceof SherlockDialogFragment) {
1720                 Dialog d = ((SherlockDialogFragment)fd).getDialog();
1721                 if (d != null && d.isShowing()) {
1722                     d.dismiss();
1723                 }
1724             }
1725
1726         } else {
1727             // TODO - show fail
1728             Log_OC.d(TAG, "SSO failed");
1729         }
1730
1731     }
1732
1733     @Override
1734     public boolean onTouchEvent(MotionEvent event) {
1735         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).
1736                 equals(mAuthTokenType) &&
1737                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1738             checkOcServer();
1739         }
1740         return super.onTouchEvent(event);
1741     }
1742
1743
1744     /**
1745      * Show untrusted cert dialog
1746      */
1747     public void showUntrustedCertDialog(
1748             X509Certificate x509Certificate, SslError error, SslErrorHandler handler
1749         ) {
1750         // Show a dialog with the certificate info
1751         SslUntrustedCertDialog dialog = null;
1752         if (x509Certificate == null) {
1753             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
1754         } else {
1755             dialog = SslUntrustedCertDialog.
1756                     newInstanceForFullSslError(x509Certificate, error, handler);
1757         }
1758         FragmentManager fm = getSupportFragmentManager();
1759         FragmentTransaction ft = fm.beginTransaction();
1760         ft.addToBackStack(null);
1761         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1762     }
1763
1764
1765     /**
1766      * Show untrusted cert dialog
1767      */
1768     private void showUntrustedCertDialog(RemoteOperationResult result) {
1769         // Show a dialog with the certificate info
1770         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.
1771                 newInstanceForFullSslError((CertificateCombinedException)result.getException());
1772         FragmentManager fm = getSupportFragmentManager();
1773         FragmentTransaction ft = fm.beginTransaction();
1774         ft.addToBackStack(null);
1775         dialog.show(ft, UNTRUSTED_CERT_DIALOG_TAG);
1776
1777     }
1778
1779     /**
1780      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1781      */
1782     public void onSavedCertificate() {
1783         Fragment fd = getSupportFragmentManager().findFragmentByTag(SAML_DIALOG_TAG);
1784         if (fd == null) {
1785             // if SAML dialog is not shown,
1786             // the SslDialog was shown due to an SSL error in the server check
1787             checkOcServer();
1788         }
1789     }
1790
1791     /**
1792      * Called from SslValidatorDialog when a new server certificate could not be saved
1793      * when the user requested it.
1794      */
1795     @Override
1796     public void onFailedSavingCertificate() {
1797         dismissDialog(SAML_DIALOG_TAG);
1798         Toast.makeText(this, R.string.ssl_validator_not_saved, Toast.LENGTH_LONG).show();
1799     }
1800
1801     @Override
1802     public void onCancelCertificate() {
1803         dismissDialog(SAML_DIALOG_TAG);
1804     }
1805
1806
1807     private void doOnResumeAndBound() {
1808         //Log_OC.wtf(TAG, "registering to listen for operation callbacks" );
1809         mOperationsServiceBinder.addOperationListener(AuthenticatorActivity.this, mHandler);
1810         if (mWaitingForOpId <= Integer.MAX_VALUE) {
1811             mOperationsServiceBinder.dispatchResultIfFinished((int)mWaitingForOpId, this);
1812         }
1813
1814         if (mPendingAutoCheck) {
1815             checkOcServer();
1816         }
1817     }
1818
1819
1820     private void dismissDialog(String dialogTag){
1821         Fragment frag = getSupportFragmentManager().findFragmentByTag(dialogTag);
1822         if (frag != null && frag instanceof SherlockDialogFragment) {
1823             SherlockDialogFragment dialog = (SherlockDialogFragment) frag;
1824             dialog.dismiss();
1825         }
1826     }
1827
1828
1829     /**
1830      * Implements callback methods for service binding.
1831      */
1832     private class OperationsServiceConnection implements ServiceConnection {
1833
1834         @Override
1835         public void onServiceConnected(ComponentName component, IBinder service) {
1836             if (component.equals(
1837                     new ComponentName(AuthenticatorActivity.this, OperationsService.class)
1838                 )) {
1839                 //Log_OC.wtf(TAG, "Operations service connected");
1840                 mOperationsServiceBinder = (OperationsServiceBinder) service;
1841
1842                 doOnResumeAndBound();
1843
1844             } else {
1845                 return;
1846             }
1847
1848         }
1849
1850         @Override
1851         public void onServiceDisconnected(ComponentName component) {
1852             if (component.equals(
1853                     new ComponentName(AuthenticatorActivity.this, OperationsService.class)
1854                 )) {
1855                 Log_OC.e(TAG, "Operations service crashed");
1856                 mOperationsServiceBinder = null;
1857             }
1858         }
1859
1860     }
1861
1862     /**
1863      * Create and show dialog for request authentication to the user
1864      * @param webView
1865      * @param handler
1866      */
1867     public void createAuthenticationDialog(WebView webView, HttpAuthHandler handler) {
1868
1869         // Show a dialog with the certificate info
1870         CredentialsDialogFragment dialog =
1871                 CredentialsDialogFragment.newInstanceForCredentials(webView, handler);
1872         FragmentManager fm = getSupportFragmentManager();
1873         FragmentTransaction ft = fm.beginTransaction();
1874         ft.addToBackStack(null);
1875         dialog.setCancelable(false);
1876         dialog.show(ft, CREDENTIALS_DIALOG_TAG);
1877
1878         if (!mIsFirstAuthAttempt) {
1879             Toast.makeText(
1880                     getApplicationContext(),
1881                     getText(R.string.saml_authentication_wrong_pass),
1882                     Toast.LENGTH_LONG
1883             ).show();
1884         } else {
1885             mIsFirstAuthAttempt = false;
1886         }
1887     }
1888
1889     /**
1890      * For retrieving the clicking on authentication cancel button
1891      */
1892     public void doNegativeAuthenticatioDialogClick(){
1893         mIsFirstAuthAttempt = true;
1894     }
1895 }