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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012  Bartek Przybylski
   3  *   Copyright (C) 2012-2013 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.authentication;
  20
  21 import java.security.cert.X509Certificate;
  22 import java.util.Map;
  23
  24 import android.accounts.Account;
  25 import android.accounts.AccountManager;
  26 import android.app.AlertDialog;
  27 import android.app.Dialog;
  28 import android.app.ProgressDialog;
  29 import android.content.ComponentName;
  30 import android.content.Context;
  31 import android.content.DialogInterface;
  32 import android.content.Intent;
  33 import android.content.ServiceConnection;
  34 import android.content.SharedPreferences;
  35 import android.graphics.Rect;
  36 import android.graphics.drawable.Drawable;
  37 import android.net.Uri;
  38 import android.net.http.SslError;
  39 import android.os.Bundle;
  40 import android.os.Handler;
  41 import android.os.IBinder;
  42 import android.preference.PreferenceManager;
  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.Window;
  55 import android.view.inputmethod.EditorInfo;
  56 import android.webkit.SslErrorHandler;
  57 import android.widget.Button;
  58 import android.widget.CheckBox;
  59 import android.widget.EditText;
  60 import android.widget.TextView;
  61 import android.widget.TextView.OnEditorActionListener;
  62 import android.widget.Toast;
  63
  64 import com.actionbarsherlock.app.SherlockDialogFragment;
  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.accounts.AccountTypeUtils;
  69 import com.owncloud.android.lib.common.accounts.AccountUtils.Constants;
  70 import com.owncloud.android.operations.DetectAuthenticationMethodOperation.AuthenticationMethod;
  71 import com.owncloud.android.operations.GetServerInfoOperation;
  72 import com.owncloud.android.operations.OAuth2GetAccessToken;
  73
  74 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  75 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  76 import com.owncloud.android.lib.common.operations.RemoteOperation;
  77 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  78 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  79 import com.owncloud.android.lib.resources.files.ExistenceCheckRemoteOperation;
  80 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  81
  82 import com.owncloud.android.services.OperationsService;
  83 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  84 import com.owncloud.android.ui.dialog.SamlWebViewDialog;
  85 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  86 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  87 import com.owncloud.android.utils.Log_OC;
  88 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  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  */
  96 public class AuthenticatorActivity extends AccountAuthenticatorActivity
  97 implements  OnRemoteOperationListener, OnFocusChangeListener, OnEditorActionListener,
  98 SsoWebViewClientListener, OnSslUntrustedCertListener {
  99
 100     private static final String TAG = AuthenticatorActivity.class.getSimpleName();
 101
 102     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 103     public static final String EXTRA_USER_NAME = "USER_NAME";
 104     public static final String EXTRA_HOST_NAME = "HOST_NAME";
 105     public static final String EXTRA_ACTION = "ACTION";
 106     public static final String EXTRA_ENFORCED_UPDATE = "ENFORCE_UPDATE";
 107
 108     private static final String KEY_AUTH_MESSAGE_VISIBILITY = "AUTH_MESSAGE_VISIBILITY";
 109     private static final String KEY_AUTH_MESSAGE_TEXT = "AUTH_MESSAGE_TEXT";
 110     private static final String KEY_HOST_URL_TEXT = "HOST_URL_TEXT";
 111     private static final String KEY_OC_VERSION = "OC_VERSION";
 112     private static final String KEY_ACCOUNT = "ACCOUNT";
 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_CHECK_IN_PROGRESS = "SERVER_CHECK_IN_PROGRESS";
 116     private static final String KEY_SERVER_STATUS_TEXT = "SERVER_STATUS_TEXT";
 117     private static final String KEY_SERVER_STATUS_ICON = "SERVER_STATUS_ICON";
 118     private static final String KEY_IS_SSL_CONN = "IS_SSL_CONN";
 119     private static final String KEY_PASSWORD_VISIBLE = "PASSWORD_VISIBLE";
 120     private static final String KEY_AUTH_STATUS_TEXT = "AUTH_STATUS_TEXT";
 121     private static final String KEY_AUTH_STATUS_ICON = "AUTH_STATUS_ICON";
 122     private static final String KEY_REFRESH_BUTTON_ENABLED = "KEY_REFRESH_BUTTON_ENABLED";
 123     //private static final String KEY_IS_SHARED_SUPPORTED = "KEY_IS_SHARE_SUPPORTED";
 124     private static final String KEY_SERVER_AUTH_METHOD = "KEY_SERVER_AUTH_METHOD";
 125     private static final String KEY_DETECT_AUTH_OP_ID = "KEY_DETECT_AUTH_OP_ID";
 126
 127
 128     private static final String AUTH_ON = "on";
 129     private static final String AUTH_OFF = "off";
 130     private static final String AUTH_OPTIONAL = "optional";
 131
 132     private static final int DIALOG_LOGIN_PROGRESS = 0;
 133     private static final int DIALOG_CERT_NOT_SAVED = 1;
 134     private static final int DIALOG_OAUTH2_LOGIN_PROGRESS = 2;
 135
 136     public static final byte ACTION_CREATE = 0;
 137     public static final byte ACTION_UPDATE_TOKEN = 1;
 138
 139     private static final String TAG_SAML_DIALOG = "samlWebViewDialog";
 140
 141     private String mHostBaseUrl;                // TODO remove
 142     private OwnCloudVersion mDiscoveredVersion; // TODO remove
 143
 144     private String mAuthMessageText;
 145     private int mAuthMessageVisibility, mServerStatusText, mServerStatusIcon;
 146     private boolean mServerIsChecked, mServerIsValid, mIsSslConn;
 147     private AuthenticationMethod mServerAuthMethod = AuthenticationMethod.UNKNOWN;
 148
 149     private int mGetServerInfoOpId = -1;
 150     private int mOauth2GetAccessTokenOpId = -1;
 151
 152     private int mAuthStatusText, mAuthStatusIcon;
 153     private TextView mAuthStatusLayout;
 154
 155     private final Handler mHandler = new Handler();
 156     private Thread mOperationThread;
 157     private GetServerInfoOperation mServerInfoOperation;
 158
 159     private int mExistenceCheckOpId = -1;
 160     private int mGetUserNameOpId = -1;
 161
 162     private Uri mNewCapturedUriFromOAuth2Redirection;
 163
 164     private AccountManager mAccountMgr;
 165     private boolean mJustCreated;
 166     private byte mAction;
 167     private Account mAccount;
 168
 169     private TextView mAuthMessage;
 170
 171     private EditText mHostUrlInput;
 172     private boolean mHostUrlInputEnabled;
 173     private View mRefreshButton;
 174
 175     private String mAuthTokenType;
 176
 177     private EditText mUsernameInput;
 178     private EditText mPasswordInput;
 179
 180     private CheckBox mOAuth2Check;
 181
 182     private TextView mOAuthAuthEndpointText;
 183     private TextView mOAuthTokenEndpointText;
 184
 185     private SamlWebViewDialog mSamlDialog;
 186
 187     private View mOkButton;
 188
 189     private String mAuthToken;
 190
 191     private boolean mResumed; // Control if activity is resumed
 192
 193     public static String DIALOG_UNTRUSTED_CERT = "DIALOG_UNTRUSTED_CERT";
 194
 195     private ServiceConnection mOperationsServiceConnection = null;
 196
 197     private OperationsServiceBinder mOperationsServiceBinder = null;
 198
 199     private GetServerInfoOperation.ServerInfo mServerInfo;
 200
 201     /**
 202      * {@inheritDoc}
 203      *
 204      * IMPORTANT ENTRY POINT 1: activity is shown to the user
 205      */
 206     @Override
 207     protected void onCreate(Bundle savedInstanceState) {
 208         super.onCreate(savedInstanceState);
 209         getWindow().requestFeature(Window.FEATURE_NO_TITLE);
 210
 211         // bind to Operations Service
 212         mOperationsServiceConnection = new OperationsServiceConnection();
 213         if (!bindService(new Intent(this, OperationsService.class),
 214                 mOperationsServiceConnection,
 215                 Context.BIND_AUTO_CREATE)) {
 216             Toast.makeText(this,
 217                     R.string.error_cant_bind_to_operations_service,
 218                     Toast.LENGTH_LONG)
 219                         .show();
 220             finish();
 221         }
 222
 223         /// set view and get references to view elements
 224         setContentView(R.layout.account_setup);
 225         mAuthMessage = (TextView) findViewById(R.id.auth_message);
 226         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 227         mHostUrlInput.setText(getString(R.string.server_url));  // valid although R.string.server_url is an empty string
 228         mUsernameInput = (EditText) findViewById(R.id.account_username);
 229         mPasswordInput = (EditText) findViewById(R.id.account_password);
 230         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 231         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 232         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 233         mOkButton = findViewById(R.id.buttonOK);
 234         mAuthStatusLayout = (TextView) findViewById(R.id.auth_status_text);
 235
 236         /// set Host Url Input Enabled
 237         mHostUrlInputEnabled = getResources().getBoolean(R.bool.show_server_url_input);
 238
 239         /// set visibility of link for new users
 240         boolean accountRegisterVisibility = getResources().getBoolean(R.bool.show_welcome_link);
 241         Button welcomeLink = (Button) findViewById(R.id.welcome_link);
 242         if (welcomeLink != null) {
 243             if (accountRegisterVisibility) {
 244                 welcomeLink.setVisibility(View.VISIBLE);
 245                 welcomeLink.setText(String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 246             } else {
 247                 findViewById(R.id.welcome_link).setVisibility(View.GONE);
 248             }
 249         }
 250
 251         /// initialization
 252         mAccountMgr = AccountManager.get(this);
 253         mNewCapturedUriFromOAuth2Redirection = null;
 254         mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE);
 255         mAccount = null;
 256         mHostBaseUrl = "";
 257         boolean refreshButtonEnabled = false;
 258
 259         // URL input configuration applied
 260         if (!mHostUrlInputEnabled)
 261         {
 262             findViewById(R.id.hostUrlFrame).setVisibility(View.GONE);
 263             mRefreshButton = findViewById(R.id.centeredRefreshButton);
 264
 265         } else {
 266             mRefreshButton = findViewById(R.id.embeddedRefreshButton);
 267         }
 268
 269         if (savedInstanceState == null) {
 270             mResumed = false;
 271             /// connection state and info
 272             mAuthMessageVisibility = View.GONE;
 273             mServerStatusText = mServerStatusIcon = 0;
 274             mServerIsValid = false;
 275             mServerIsChecked = false;
 276             mIsSslConn = false;
 277             mAuthStatusText = mAuthStatusIcon = 0;
 278
 279             /// retrieve extras from intent
 280             mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 281             if (mAccount != null) {
 282                 String ocVersion = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION);
 283                 if (ocVersion != null) {
 284                     mDiscoveredVersion = new OwnCloudVersion(ocVersion);
 285                 }
 286                 mHostBaseUrl = normalizeUrl(mAccountMgr.getUserData(mAccount, Constants.KEY_OC_BASE_URL));
 287                 mHostUrlInput.setText(mHostBaseUrl);
 288                 String userName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 289                 mUsernameInput.setText(userName);
 290
 291             }
 292             initAuthorizationMethod();  // checks intent and setup.xml to determine mCurrentAuthorizationMethod
 293             mJustCreated = true;
 294
 295             if (mAction == ACTION_UPDATE_TOKEN || !mHostUrlInputEnabled) {
 296                 checkOcServer();
 297             }
 298
 299         } else {
 300             mResumed = true;
 301             /// connection state and info
 302             mAuthMessageVisibility = savedInstanceState.getInt(KEY_AUTH_MESSAGE_VISIBILITY);
 303             mAuthMessageText = savedInstanceState.getString(KEY_AUTH_MESSAGE_TEXT);
 304             mServerIsValid = savedInstanceState.getBoolean(KEY_SERVER_VALID);
 305             mServerIsChecked = savedInstanceState.getBoolean(KEY_SERVER_CHECKED);
 306             mServerStatusText = savedInstanceState.getInt(KEY_SERVER_STATUS_TEXT);
 307             mServerStatusIcon = savedInstanceState.getInt(KEY_SERVER_STATUS_ICON);
 308             mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 309             mAuthStatusText = savedInstanceState.getInt(KEY_AUTH_STATUS_TEXT);
 310             mAuthStatusIcon = savedInstanceState.getInt(KEY_AUTH_STATUS_ICON);
 311             if (savedInstanceState.getBoolean(KEY_PASSWORD_VISIBLE, false)) {
 312                 showPassword();
 313             }
 314
 315             /// server data
 316             String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 317             if (ocVersion != null) {
 318                 mDiscoveredVersion = new OwnCloudVersion(ocVersion);
 319             }
 320             mHostBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 321
 322             // account data, if updating
 323             mAccount = savedInstanceState.getParcelable(KEY_ACCOUNT);
 324             mAuthTokenType = savedInstanceState.getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 325             if (mAuthTokenType == null) {
 326                 mAuthTokenType =  AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 327
 328             }
 329
 330             // check if server check was interrupted by a configuration change
 331             if (savedInstanceState.getBoolean(KEY_SERVER_CHECK_IN_PROGRESS, false)) {
 332                 checkOcServer();
 333             }
 334
 335             // refresh button enabled
 336             refreshButtonEnabled = savedInstanceState.getBoolean(KEY_REFRESH_BUTTON_ENABLED);
 337
 338
 339             mServerAuthMethod = AuthenticationMethod.valueOf(
 340                     savedInstanceState.getString(KEY_SERVER_AUTH_METHOD));
 341             mGetServerInfoOpId = savedInstanceState.getInt(KEY_DETECT_AUTH_OP_ID);
 342
 343         }
 344
 345         if (mAuthMessageVisibility== View.VISIBLE) {
 346             showAuthMessage(mAuthMessageText);
 347         }
 348         else {
 349             hideAuthMessage();
 350         }
 351         adaptViewAccordingToAuthenticationMethod();
 352         showServerStatus();
 353         showAuthStatus();
 354
 355         if (mAction == ACTION_UPDATE_TOKEN) {
 356             /// lock things that should not change
 357             mHostUrlInput.setEnabled(false);
 358             mHostUrlInput.setFocusable(false);
 359             mUsernameInput.setEnabled(false);
 360             mUsernameInput.setFocusable(false);
 361             mOAuth2Check.setVisibility(View.GONE);
 362         }
 363
 364         showRefreshButton(mServerIsChecked && !mServerIsValid && refreshButtonEnabled);
 365         mOkButton.setEnabled(mServerIsValid); // state not automatically recovered in configuration changes
 366
 367         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) ||
 368                 !AUTH_OPTIONAL.equals(getString(R.string.auth_method_oauth2))) {
 369             mOAuth2Check.setVisibility(View.GONE);
 370         }
 371
 372         mPasswordInput.setText("");     // clean password to avoid social hacking (disadvantage: password in removed if the device is turned aside)
 373
 374         /// bind view elements to listeners and other friends
 375         mHostUrlInput.setOnFocusChangeListener(this);
 376         mHostUrlInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 377         mHostUrlInput.setOnEditorActionListener(this);
 378         mHostUrlInput.addTextChangedListener(new TextWatcher() {
 379
 380             @Override
 381             public void afterTextChanged(Editable s) {
 382                 if (!mHostBaseUrl.equals(normalizeUrl(mHostUrlInput.getText().toString()))) {
 383                     mOkButton.setEnabled(false);
 384                 }
 385             }
 386
 387             @Override
 388             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 389             }
 390
 391             @Override
 392             public void onTextChanged(CharSequence s, int start, int before, int count) {
 393                 if (!mResumed) {
 394                     mAuthStatusIcon = 0;
 395                     mAuthStatusText = 0;
 396                     showAuthStatus();
 397                 }
 398                 mResumed = false;
 399             }
 400         });
 401
 402         mPasswordInput.setOnFocusChangeListener(this);
 403         mPasswordInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
 404         mPasswordInput.setOnEditorActionListener(this);
 405         mPasswordInput.setOnTouchListener(new RightDrawableOnTouchListener() {
 406             @Override
 407             public boolean onDrawableTouch(final MotionEvent event) {
 408                 if (event.getAction() == MotionEvent.ACTION_UP) {
 409                     AuthenticatorActivity.this.onViewPasswordClick();
 410                 }
 411                 return true;
 412             }
 413         });
 414
 415         findViewById(R.id.scroll).setOnTouchListener(new OnTouchListener() {
 416             @Override
 417             public boolean onTouch(View view, MotionEvent event) {
 418                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 419                     if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
 420                             mHostUrlInput.hasFocus()) {
 421                         checkOcServer();
 422                     }
 423                 }
 424                 return false;
 425             }
 426         });
 427
 428     }
 429
 430
 431
 432     private void initAuthorizationMethod() {
 433         boolean oAuthRequired = false;
 434         boolean samlWebSsoRequired = false;
 435
 436         mAuthTokenType = getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 437         mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 438
 439         // TODO could be a good moment to validate the received token type, if not null
 440
 441         if (mAuthTokenType == null) {
 442             if (mAccount != null) {
 443                 /// same authentication method than the one used to create the account to update
 444                 oAuthRequired = (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2) != null);
 445                 samlWebSsoRequired = (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO) != null);
 446
 447             } else {
 448                 /// use the one set in setup.xml
 449                 oAuthRequired = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
 450                 samlWebSsoRequired = AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));
 451             }
 452             if (oAuthRequired) {
 453                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
 454             } else if (samlWebSsoRequired) {
 455                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 456             } else {
 457                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 458             }
 459         }
 460
 461         if (mAccount != null) {
 462             String userName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 463             mUsernameInput.setText(userName);
 464         }
 465
 466         mOAuth2Check.setChecked(AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType));
 467
 468     }
 469
 470     /**
 471      * Saves relevant state before {@link #onPause()}
 472      *
 473      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag, intended to defer the
 474      * processing of the redirection caught in {@link #onNewIntent(Intent)} until {@link #onResume()}
 475      *
 476      * See {@link #loadSavedInstanceState(Bundle)}
 477      */
 478     @Override
 479     protected void onSaveInstanceState(Bundle outState) {
 480         //Log.wtf(TAG, "onSaveInstanceState init" );
 481         super.onSaveInstanceState(outState);
 482
 483         /// connection state and info
 484         outState.putInt(KEY_AUTH_MESSAGE_VISIBILITY, mAuthMessage.getVisibility());
 485         outState.putString(KEY_AUTH_MESSAGE_TEXT, mAuthMessage.getText().toString());
 486         outState.putInt(KEY_SERVER_STATUS_TEXT, mServerStatusText);
 487         outState.putInt(KEY_SERVER_STATUS_ICON, mServerStatusIcon);
 488         outState.putBoolean(KEY_SERVER_VALID, mServerIsValid);
 489         outState.putBoolean(KEY_SERVER_CHECKED, mServerIsChecked);
 490         outState.putBoolean(KEY_SERVER_CHECK_IN_PROGRESS, (!mServerIsValid && mServerInfoOperation != null));
 491         outState.putBoolean(KEY_IS_SSL_CONN, mIsSslConn);
 492         outState.putBoolean(KEY_PASSWORD_VISIBLE, isPasswordVisible());
 493         outState.putInt(KEY_AUTH_STATUS_ICON, mAuthStatusIcon);
 494         outState.putInt(KEY_AUTH_STATUS_TEXT, mAuthStatusText);
 495
 496         /// server data
 497         if (mDiscoveredVersion != null) {
 498             outState.putString(KEY_OC_VERSION, mDiscoveredVersion.getVersion());
 499         }
 500         outState.putString(KEY_HOST_URL_TEXT, mHostBaseUrl);
 501
 502         /// account data, if updating
 503         if (mAccount != null) {
 504             outState.putParcelable(KEY_ACCOUNT, mAccount);
 505         }
 506         outState.putString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE, mAuthTokenType);
 507
 508         // refresh button enabled
 509         outState.putBoolean(KEY_REFRESH_BUTTON_ENABLED, (mRefreshButton.getVisibility() == View.VISIBLE));
 510
 511         outState.putString(KEY_SERVER_AUTH_METHOD, mServerAuthMethod.name());
 512         outState.putInt(KEY_DETECT_AUTH_OP_ID, mGetServerInfoOpId);
 513         //Log.wtf(TAG, "onSaveInstanceState end" );
 514     }
 515
 516
 517     /**
 518      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION request
 519      * is caught here.
 520      *
 521      * To make this possible, this activity needs to be qualified with android:launchMode = "singleTask" in the
 522      * AndroidManifest.xml file.
 523      */
 524     @Override
 525     protected void onNewIntent (Intent intent) {
 526         Log_OC.d(TAG, "onNewIntent()");
 527         Uri data = intent.getData();
 528         if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) {
 529             mNewCapturedUriFromOAuth2Redirection = data;
 530         }
 531     }
 532
 533
 534     /**
 535      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION, and
 536      * deferred in {@link #onNewIntent(Intent)}, is processed here.
 537      */
 538     @Override
 539     protected void onResume() {
 540         //Log.wtf(TAG, "onResume init" );
 541         super.onResume();
 542
 543         if (mAction == ACTION_UPDATE_TOKEN && mJustCreated && getIntent().getBooleanExtra(EXTRA_ENFORCED_UPDATE, false)) {
 544             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 545                 //Toast.makeText(this, R.string.auth_expired_oauth_token_toast, Toast.LENGTH_LONG).show();
 546                 showAuthMessage(getString(R.string.auth_expired_oauth_token_toast));
 547             } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 548                 //Toast.makeText(this, R.string.auth_expired_saml_sso_token_toast, Toast.LENGTH_LONG).show();
 549                 showAuthMessage(getString(R.string.auth_expired_saml_sso_token_toast));
 550             } else {
 551                 //Toast.makeText(this, R.string.auth_expired_basic_auth_toast, Toast.LENGTH_LONG).show();
 552                 showAuthMessage(getString(R.string.auth_expired_basic_auth_toast));
 553             }
 554         }
 555
 556         if (mNewCapturedUriFromOAuth2Redirection != null) {
 557             getOAuth2AccessTokenFromCapturedRedirection();
 558         }
 559
 560         mJustCreated = false;
 561
 562         if (mOperationsServiceBinder != null) {
 563             doOnResumeAndBound();
 564         }
 565
 566         //Log.wtf(TAG, "onResume end" );
 567     }
 568
 569
 570     @Override
 571     protected void onPause() {
 572         //Log.wtf(TAG, "onPause init" );
 573         if (mOperationsServiceBinder != null) {
 574             //Log.wtf(TAG, "unregistering to listen for operation callbacks" );
 575             mOperationsServiceBinder.removeOperationListener(this);
 576         }
 577         super.onPause();
 578         //Log.wtf(TAG, "onPause end" );
 579     }
 580
 581     @Override
 582     protected void onDestroy() {
 583         if (mOperationsServiceConnection != null) {
 584             unbindService(mOperationsServiceConnection);
 585             mOperationsServiceBinder = null;
 586         }
 587         super.onDestroy();
 588     }
 589
 590
 591     /**
 592      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 593      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 594      */
 595     private void getOAuth2AccessTokenFromCapturedRedirection() {
 596         /// Parse data from OAuth redirection
 597         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 598         mNewCapturedUriFromOAuth2Redirection = null;
 599
 600         /// Showing the dialog with instructions for the user.
 601         showDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
 602
 603         /// GET ACCESS TOKEN to the oAuth server
 604         Intent getServerInfoIntent = new Intent();
 605         getServerInfoIntent.setAction(OperationsService.ACTION_OAUTH2_GET_ACCESS_TOKEN);
 606
 607         getServerInfoIntent.putExtra(
 608                 OperationsService.EXTRA_SERVER_URL,
 609                 mOAuthTokenEndpointText.getText().toString().trim());
 610
 611         getServerInfoIntent.putExtra(
 612                 OperationsService.EXTRA_OAUTH2_QUERY_PARAMETERS,
 613                 queryParameters);
 614
 615         if (mOperationsServiceBinder != null) {
 616             //Log.wtf(TAG, "getting access token..." );
 617             mOauth2GetAccessTokenOpId = mOperationsServiceBinder.newOperation(getServerInfoIntent);
 618         }
 619
 620         /*
 621         RemoteOperation operation = new OAuth2GetAccessToken(   getString(R.string.oauth2_client_id),
 622                 getString(R.string.oauth2_redirect_uri),
 623                 getString(R.string.oauth2_grant_type),
 624                 queryParameters);
 625         //OwnCloudClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(getString(R.string.oauth2_url_endpoint_access)), getApplicationContext());
 626         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mOAuthTokenEndpointText.getText().toString().trim()), getApplicationContext(), true);
 627         operation.execute(client, this, mHandler);
 628         */
 629
 630     }
 631
 632
 633
 634     /**
 635      * Handles the change of focus on the text inputs for the server URL and the password
 636      */
 637     public void onFocusChange(View view, boolean hasFocus) {
 638         if (view.getId() == R.id.hostUrlInput) {
 639             if (!hasFocus) {
 640                 onUrlInputFocusLost((TextView) view);
 641             }
 642             else {
 643                 showRefreshButton(false);
 644             }
 645
 646         } else if (view.getId() == R.id.account_password) {
 647             onPasswordFocusChanged((TextView) view, hasFocus);
 648         }
 649     }
 650
 651
 652     /**
 653      * Handles changes in focus on the text input for the server URL.
 654      *
 655      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 656      * other field. The operation to check the existence of the server in the entered URL is
 657      * started.
 658      *
 659      * When hasFocus:    user 'comes back' to write again the server URL.
 660      *
 661      * @param hostInput     TextView with the URL input field receiving the change of focus.
 662      */
 663     private void onUrlInputFocusLost(TextView hostInput) {
 664         if (!mHostBaseUrl.equals(normalizeUrl(mHostUrlInput.getText().toString()))) {
 665             checkOcServer();
 666         } else {
 667             mOkButton.setEnabled(mServerIsValid);
 668             showRefreshButton(!mServerIsValid);
 669         }
 670     }
 671
 672
 673     private void checkOcServer() {
 674         String uri = mHostUrlInput.getText().toString().trim();
 675
 676         if (!mHostUrlInputEnabled){
 677             uri = getString(R.string.server_url).trim();
 678         }
 679
 680         mServerIsValid = false;
 681         mServerIsChecked = false;
 682         mOkButton.setEnabled(false);
 683         mDiscoveredVersion = null;
 684         mServerAuthMethod = AuthenticationMethod.UNKNOWN;
 685         showRefreshButton(false);
 686
 687         if (uri.length() != 0) {
 688             mServerStatusText = R.string.auth_testing_connection;
 689             mServerStatusIcon = R.drawable.progress_small;
 690             showServerStatus();
 691
 692             Intent getServerInfoIntent = new Intent();
 693             getServerInfoIntent.setAction(OperationsService.ACTION_GET_SERVER_INFO);
 694             getServerInfoIntent.putExtra(OperationsService.EXTRA_SERVER_URL, uri);
 695             getServerInfoIntent.putExtra(OperationsService.EXTRA_AUTH_TOKEN_TYPE, mAuthTokenType);
 696             if (mOperationsServiceBinder != null) {
 697                 //Log.wtf(TAG, "checking server..." );
 698                 mGetServerInfoOpId = mOperationsServiceBinder.newOperation(getServerInfoIntent);
 699             }
 700
 701         } else {
 702             mServerStatusText = 0;
 703             mServerStatusIcon = 0;
 704             showServerStatus();
 705         }
 706     }
 707
 708
 709     /**
 710      * Handles changes in focus on the text input for the password (basic authorization).
 711      *
 712      * When (hasFocus), the button to toggle password visibility is shown.
 713      *
 714      * When (!hasFocus), the button is made invisible and the password is hidden.
 715      *
 716      * @param passwordInput    TextView with the password input field receiving the change of focus.
 717      * @param hasFocus          'True' if focus is received, 'false' if is lost
 718      */
 719     private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {
 720         if (hasFocus) {
 721             showViewPasswordButton();
 722         } else {
 723             hidePassword();
 724             hidePasswordButton();
 725         }
 726     }
 727
 728
 729     private void showViewPasswordButton() {
 730         //int drawable = android.R.drawable.ic_menu_view;
 731         int drawable = R.drawable.ic_view;
 732         if (isPasswordVisible()) {
 733             //drawable = android.R.drawable.ic_secure;
 734             drawable = R.drawable.ic_hide;
 735         }
 736         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 737     }
 738
 739     private boolean isPasswordVisible() {
 740         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 741     }
 742
 743     private void hidePasswordButton() {
 744         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 745     }
 746
 747     private void showPassword() {
 748         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 749         showViewPasswordButton();
 750     }
 751
 752     private void hidePassword() {
 753         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
 754         showViewPasswordButton();
 755     }
 756
 757
 758     /**
 759      * Cancels the authenticator activity
 760      *
 761      * IMPORTANT ENTRY POINT 3: Never underestimate the importance of cancellation
 762      *
 763      * This method is bound in the layout/acceoun_setup.xml resource file.
 764      *
 765      * @param view      Cancel button
 766      */
 767     public void onCancelClick(View view) {
 768         setResult(RESULT_CANCELED);     // TODO review how is this related to AccountAuthenticator (debugging)
 769         finish();
 770     }
 771
 772
 773
 774     /**
 775      * Checks the credentials of the user in the root of the ownCloud server
 776      * before creating a new local account.
 777      *
 778      * For basic authorization, a check of existence of the root folder is
 779      * performed.
 780      *
 781      * For OAuth, starts the flow to get an access token; the credentials test
 782      * is postponed until it is available.
 783      *
 784      * IMPORTANT ENTRY POINT 4
 785      *
 786      * @param view      OK button
 787      */
 788     public void onOkClick(View view) {
 789         // this check should be unnecessary
 790         if (mDiscoveredVersion == null || !mDiscoveredVersion.isVersionValid()  || mHostBaseUrl == null || mHostBaseUrl.length() == 0) {
 791             mServerStatusIcon = R.drawable.common_error;
 792             mServerStatusText = R.string.auth_wtf_reenter_URL;
 793             showServerStatus();
 794             mOkButton.setEnabled(false);
 795             Log_OC.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");
 796             return;
 797         }
 798
 799         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 800             startOauthorization();
 801         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 802             startSamlBasedFederatedSingleSignOnAuthorization();
 803         } else {
 804             checkBasicAuthorization();
 805         }
 806     }
 807
 808
 809     /**
 810      * Tests the credentials entered by the user performing a check of existence on
 811      * the root folder of the ownCloud server.
 812      */
 813     private void checkBasicAuthorization() {
 814         /// get the path to the root folder through WebDAV from the version server
 815         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 816
 817         /// get basic credentials entered by user
 818         String username = mUsernameInput.getText().toString();
 819         String password = mPasswordInput.getText().toString();
 820
 821         /// be gentle with the user
 822         showDialog(DIALOG_LOGIN_PROGRESS);
 823
 824         /// test credentials accessing the root folder
 825         String remotePath ="";
 826         boolean successIfAbsent = false;
 827         boolean followRedirects = true;
 828         startExistenceCheckRemoteOperation(remotePath, this, successIfAbsent, webdav_path, username, password, followRedirects);
 829
 830     }
 831
 832     private void startExistenceCheckRemoteOperation(String remotePath, Context context, boolean successIfAbsent, String webdav_path,
 833             String username, String password, boolean followRedirects) {
 834
 835         Intent existenceCheckIntent = new Intent();
 836         existenceCheckIntent.setAction(OperationsService.ACTION_EXISTENCE_CHECK);
 837         existenceCheckIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mHostBaseUrl);
 838         existenceCheckIntent.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
 839         existenceCheckIntent.putExtra(OperationsService.EXTRA_SUCCESS_IF_ABSENT, successIfAbsent);
 840         existenceCheckIntent.putExtra(OperationsService.EXTRA_WEBDAV_PATH, webdav_path);
 841         existenceCheckIntent.putExtra(OperationsService.EXTRA_USERNAME, username);
 842         existenceCheckIntent.putExtra(OperationsService.EXTRA_PASSWORD, password);
 843         existenceCheckIntent.putExtra(OperationsService.EXTRA_AUTH_TOKEN, mAuthToken);
 844         existenceCheckIntent.putExtra(OperationsService.EXTRA_FOLLOW_REDIRECTS, followRedirects);
 845
 846         if (mOperationsServiceBinder != null) {
 847             Log_OC.wtf(TAG, "starting existenceCheckRemoteOperation..." );
 848             mExistenceCheckOpId = mOperationsServiceBinder.newOperation(existenceCheckIntent);
 849         }
 850     }
 851
 852     /**
 853      * Starts the OAuth 'grant type' flow to get an access token, with
 854      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 855      */
 856     private void startOauthorization() {
 857         // be gentle with the user
 858         mAuthStatusIcon = R.drawable.progress_small;
 859         mAuthStatusText = R.string.oauth_login_connection;
 860         showAuthStatus();
 861
 862         // GET AUTHORIZATION request
 863         //Uri uri = Uri.parse(getString(R.string.oauth2_url_endpoint_auth));
 864         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 865         Uri.Builder uriBuilder = uri.buildUpon();
 866         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type));
 867         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri));
 868         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id));
 869         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope));
 870         //uriBuilder.appendQueryParameter(OAuth2Constants.KEY_STATE, whateverwewant);
 871         uri = uriBuilder.build();
 872         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 873         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 874         startActivity(i);
 875     }
 876
 877
 878     /**
 879      * Starts the Web Single Sign On flow to get access to the root folder
 880      * in the server.
 881      */
 882     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 883         // be gentle with the user
 884         mAuthStatusIcon = R.drawable.progress_small;
 885         mAuthStatusText = R.string.auth_connecting_auth_server;
 886         showAuthStatus();
 887         showDialog(DIALOG_LOGIN_PROGRESS);
 888
 889         /// get the path to the root folder through WebDAV from the version server
 890         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 891
 892         /// test credentials accessing the root folder
 893         String remotePath ="";
 894         boolean successIfAbsent = false;
 895         boolean followRedirections = false;
 896         startExistenceCheckRemoteOperation(remotePath, this, successIfAbsent, webdav_path, "", "", followRedirections);
 897
 898     }
 899
 900     /**
 901      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 902      *
 903      * Dispatches the operation flow to the right method.
 904      */
 905     @Override
 906     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 907
 908         if (operation instanceof GetServerInfoOperation) {
 909             if (operation.hashCode() == mGetServerInfoOpId) {
 910                 onGetServerInfoFinish(result);
 911             }   // else nothing ; only the last check operation is considered;
 912                 // multiple can be started if the user amends a URL quickly
 913
 914         } else if (operation instanceof OAuth2GetAccessToken) {
 915             onGetOAuthAccessTokenFinish(result);
 916
 917         } else if (operation instanceof ExistenceCheckRemoteOperation)  {
 918             Log_OC.wtf(TAG, "received detection response through callback" );
 919             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 920                 onSamlBasedFederatedSingleSignOnAuthorizationStart(result);
 921
 922             } else {
 923                 onAuthorizationCheckFinish(result);
 924             }
 925         } else if (operation instanceof GetRemoteUserNameOperation) {
 926             onGetUserNameFinish(result);
 927         }
 928
 929     }
 930
 931     private void onGetUserNameFinish(RemoteOperationResult result) {
 932         mGetUserNameOpId = -1;
 933         if (result.isSuccess()) {
 934             boolean success = false;
 935             String username = (String) result.getData().get(0);
 936
 937             if ( mAction == ACTION_CREATE) {
 938                 mUsernameInput.setText(username);
 939                 success = createAccount();
 940             } else {
 941
 942                 if (!mUsernameInput.getText().toString().equals(username)) {
 943                     // fail - not a new account, but an existing one; disallow
 944                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
 945                     updateAuthStatusIconAndText(result);
 946                     showAuthStatus();
 947                     Log_OC.d(TAG, result.getLogMessage());
 948                 } else {
 949                     updateToken();
 950                     success = true;
 951                 }
 952             }
 953
 954             if (success)
 955                 finish();
 956         } else {
 957             updateStatusIconFailUserName();
 958             showAuthStatus();
 959             Log_OC.e(TAG, "Access to user name failed: " + result.getLogMessage());
 960         }
 961
 962     }
 963
 964     private void onSamlBasedFederatedSingleSignOnAuthorizationStart(RemoteOperationResult result) {
 965         mExistenceCheckOpId = -1;
 966         try {
 967             dismissDialog(DIALOG_LOGIN_PROGRESS);
 968         } catch (IllegalArgumentException e) {
 969             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
 970         }
 971
 972         //if (result.isTemporalRedirection() && result.isIdPRedirection()) {
 973         if (result.isIdPRedirection()) {
 974             String url = result.getRedirectedLocation();
 975             String targetUrl = mHostBaseUrl + AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 976
 977             // Show dialog
 978             mSamlDialog = SamlWebViewDialog.newInstance(url, targetUrl);
 979             mSamlDialog.show(getSupportFragmentManager(), TAG_SAML_DIALOG);
 980
 981             mAuthStatusIcon = 0;
 982             mAuthStatusText = 0;
 983
 984         } else {
 985             mAuthStatusIcon = R.drawable.common_error;
 986             mAuthStatusText = R.string.auth_unsupported_auth_method;
 987
 988         }
 989         showAuthStatus();
 990     }
 991
 992
 993     /**
 994      * Processes the result of the server check performed when the user finishes the enter of the
 995      * server URL.
 996      *
 997      * @param operation     Server check performed.
 998      * @param result        Result of the check.
 999      */
1000     private void onGetServerInfoFinish(RemoteOperationResult result) {
1001         /// update activity state
1002         mServerIsChecked = true;
1003         mIsSslConn = (result.getCode() == ResultCode.OK_SSL);
1004         mServerInfoOperation = null;
1005         mGetServerInfoOpId = -1;
1006
1007         // update server status, but don't show it yet
1008         updateServerStatusIconAndText(result);
1009
1010         if (result.isSuccess()) {
1011             /// SUCCESS means:
1012             //      1. connection succeeded, and we know if it's SSL or not
1013             //      2. server is installed
1014             //      3. we got the server version
1015             //      4. we got the authentication method required by the server
1016             mServerInfo = (GetServerInfoOperation.ServerInfo) (result.getData().get(0));
1017             mDiscoveredVersion = mServerInfo.mVersion;
1018             mHostBaseUrl = mServerInfo.mBaseUrl;
1019             mServerAuthMethod = mServerInfo.mAuthMethod;
1020
1021             if (!authSupported(mServerAuthMethod)) {
1022
1023                 updateServerStatusIconNoRegularAuth();  // overrides updateServerStatusIconAndText()
1024                 mServerIsValid = false;
1025
1026             } else {
1027                 mServerIsValid = true;
1028             }
1029
1030         } else {
1031             mServerIsValid = false;
1032         }
1033
1034         // refresh UI
1035         showRefreshButton(!mServerIsValid);
1036         showServerStatus();
1037         mOkButton.setEnabled(mServerIsValid);
1038
1039         /// very special case (TODO: move to a common place for all the remote operations)
1040         if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1041             showUntrustedCertDialog(result);
1042         }
1043     }
1044
1045
1046     private boolean authSupported(AuthenticationMethod authMethod) {
1047         String basic = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1048         String oAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1049         String saml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
1050
1051         return (( mAuthTokenType.equals(basic) &&
1052                     authMethod.equals(AuthenticationMethod.BASIC_HTTP_AUTH) ) ||
1053                 ( mAuthTokenType.equals(oAuth) &&
1054                     authMethod.equals(AuthenticationMethod.BEARER_TOKEN)) ||
1055                 ( mAuthTokenType.equals(saml)  &&
1056                     authMethod.equals(AuthenticationMethod.SAML_WEB_SSO))
1057         );
1058     }
1059
1060
1061     // TODO remove, if possible
1062     private String normalizeUrl(String url) {
1063         if (url != null && url.length() > 0) {
1064             url = url.trim();
1065             if (!url.toLowerCase().startsWith("http://") &&
1066                     !url.toLowerCase().startsWith("https://")) {
1067                 if (mIsSslConn) {
1068                     url = "https://" + url;
1069                 } else {
1070                     url = "http://" + url;
1071                 }
1072             }
1073
1074             url = trimUrlWebdav(url);
1075
1076             if (url.endsWith("/")) {
1077                 url = url.substring(0, url.length() - 1);
1078             }
1079
1080         }
1081         return (url != null ? url : "");
1082     }
1083
1084
1085     // TODO remove, if possible
1086     private String trimUrlWebdav(String url){
1087         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){
1088             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length());
1089         } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){
1090             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length());
1091         } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){
1092             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length());
1093         }
1094         return (url != null ? url : "");
1095     }
1096
1097
1098     /**
1099      * Chooses the right icon and text to show to the user for the received operation result.
1100      *
1101      * @param result    Result of a remote operation performed in this activity
1102      */
1103     private void updateServerStatusIconAndText(RemoteOperationResult result) {
1104         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1105
1106         switch (result.getCode()) {
1107         case OK_SSL:
1108             mServerStatusIcon = android.R.drawable.ic_secure;
1109             mServerStatusText = R.string.auth_secure_connection;
1110             break;
1111
1112         case OK_NO_SSL:
1113         case OK:
1114             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1115                 mServerStatusText = R.string.auth_connection_established;
1116                 mServerStatusIcon = R.drawable.ic_ok;
1117             } else {
1118                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1119                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
1120             }
1121             break;
1122
1123         case NO_NETWORK_CONNECTION:
1124             mServerStatusIcon = R.drawable.no_network;
1125             mServerStatusText = R.string.auth_no_net_conn_title;
1126             break;
1127
1128         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1129             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1130             break;
1131         case BAD_OC_VERSION:
1132             mServerStatusText = R.string.auth_bad_oc_version_title;
1133             break;
1134         case WRONG_CONNECTION:
1135             mServerStatusText = R.string.auth_wrong_connection_title;
1136             break;
1137         case TIMEOUT:
1138             mServerStatusText = R.string.auth_timeout_title;
1139             break;
1140         case INCORRECT_ADDRESS:
1141             mServerStatusText = R.string.auth_incorrect_address_title;
1142             break;
1143         case SSL_ERROR:
1144             mServerStatusText = R.string.auth_ssl_general_error_title;
1145             break;
1146         case UNAUTHORIZED:
1147             mServerStatusText = R.string.auth_unauthorized;
1148             break;
1149         case HOST_NOT_AVAILABLE:
1150             mServerStatusText = R.string.auth_unknown_host_title;
1151             break;
1152         case INSTANCE_NOT_CONFIGURED:
1153             mServerStatusText = R.string.auth_not_configured_title;
1154             break;
1155         case FILE_NOT_FOUND:
1156             mServerStatusText = R.string.auth_incorrect_path_title;
1157             break;
1158         case OAUTH2_ERROR:
1159             mServerStatusText = R.string.auth_oauth_error;
1160             break;
1161         case OAUTH2_ERROR_ACCESS_DENIED:
1162             mServerStatusText = R.string.auth_oauth_error_access_denied;
1163             break;
1164         case UNHANDLED_HTTP_CODE:
1165         case UNKNOWN_ERROR:
1166             mServerStatusText = R.string.auth_unknown_error_title;
1167             break;
1168         default:
1169             mServerStatusText = 0;
1170             mServerStatusIcon = 0;
1171         }
1172     }
1173
1174
1175     /**
1176      * Chooses the right icon and text to show to the user for the received operation result.
1177      *
1178      * @param result    Result of a remote operation performed in this activity
1179      */
1180     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1181         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1182
1183         switch (result.getCode()) {
1184         case OK_SSL:
1185             mAuthStatusIcon = android.R.drawable.ic_secure;
1186             mAuthStatusText = R.string.auth_secure_connection;
1187             break;
1188
1189         case OK_NO_SSL:
1190         case OK:
1191             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1192                 mAuthStatusText = R.string.auth_connection_established;
1193                 mAuthStatusIcon = R.drawable.ic_ok;
1194             } else {
1195                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1196                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
1197             }
1198             break;
1199
1200         case NO_NETWORK_CONNECTION:
1201             mAuthStatusIcon = R.drawable.no_network;
1202             mAuthStatusText = R.string.auth_no_net_conn_title;
1203             break;
1204
1205         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1206             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1207             break;
1208         case BAD_OC_VERSION:
1209             mAuthStatusText = R.string.auth_bad_oc_version_title;
1210             break;
1211         case WRONG_CONNECTION:
1212             mAuthStatusText = R.string.auth_wrong_connection_title;
1213             break;
1214         case TIMEOUT:
1215             mAuthStatusText = R.string.auth_timeout_title;
1216             break;
1217         case INCORRECT_ADDRESS:
1218             mAuthStatusText = R.string.auth_incorrect_address_title;
1219             break;
1220         case SSL_ERROR:
1221             mAuthStatusText = R.string.auth_ssl_general_error_title;
1222             break;
1223         case UNAUTHORIZED:
1224             mAuthStatusText = R.string.auth_unauthorized;
1225             break;
1226         case HOST_NOT_AVAILABLE:
1227             mAuthStatusText = R.string.auth_unknown_host_title;
1228             break;
1229         case INSTANCE_NOT_CONFIGURED:
1230             mAuthStatusText = R.string.auth_not_configured_title;
1231             break;
1232         case FILE_NOT_FOUND:
1233             mAuthStatusText = R.string.auth_incorrect_path_title;
1234             break;
1235         case OAUTH2_ERROR:
1236             mAuthStatusText = R.string.auth_oauth_error;
1237             break;
1238         case OAUTH2_ERROR_ACCESS_DENIED:
1239             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1240             break;
1241         case ACCOUNT_NOT_NEW:
1242             mAuthStatusText = R.string.auth_account_not_new;
1243             break;
1244         case ACCOUNT_NOT_THE_SAME:
1245             mAuthStatusText = R.string.auth_account_not_the_same;
1246             break;
1247         case UNHANDLED_HTTP_CODE:
1248         case UNKNOWN_ERROR:
1249             mAuthStatusText = R.string.auth_unknown_error_title;
1250             break;
1251         default:
1252             mAuthStatusText = 0;
1253             mAuthStatusIcon = 0;
1254         }
1255     }
1256
1257
1258     private void updateStatusIconFailUserName(){
1259         mAuthStatusIcon = R.drawable.common_error;
1260         mAuthStatusText = R.string.auth_fail_get_user_name;
1261     }
1262
1263     private void updateServerStatusIconNoRegularAuth(){
1264         mServerStatusIcon = R.drawable.common_error;
1265         mServerStatusText = R.string.auth_can_not_auth_against_server;
1266     }
1267
1268     /**
1269      * Processes the result of the request for and access token send
1270      * to an OAuth authorization server.
1271      *
1272      * @param result        Result of the operation.
1273      */
1274     private void onGetOAuthAccessTokenFinish(RemoteOperationResult result) {
1275         mOauth2GetAccessTokenOpId = -1;
1276         try {
1277             dismissDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
1278         } catch (IllegalArgumentException e) {
1279             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
1280         }
1281
1282         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
1283         if (result.isSuccess() && webdav_path != null) {
1284             /// be gentle with the user
1285             showDialog(DIALOG_LOGIN_PROGRESS);
1286
1287             /// time to test the retrieved access token on the ownCloud server
1288             @SuppressWarnings("unchecked")
1289             Map<String, String> tokens = (Map<String, String>)(result.getData().get(0));
1290             mAuthToken = tokens.get(OAuth2Constants.KEY_ACCESS_TOKEN);
1291             //mAuthToken = ((OAuth2GetAccessToken)operation).getResultTokenMap().get(OAuth2Constants.KEY_ACCESS_TOKEN);
1292             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1293
1294             String remotePath ="";
1295             boolean successIfAbsent = false;
1296             boolean followRedirects = true;
1297             startExistenceCheckRemoteOperation(remotePath, this, successIfAbsent, webdav_path, "", "", followRedirects);
1298
1299         } else {
1300             updateAuthStatusIconAndText(result);
1301             showAuthStatus();
1302             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1303         }
1304     }
1305
1306
1307     /**
1308      * Processes the result of the access check performed to try the user credentials.
1309      *
1310      * Creates a new account through the AccountManager.
1311      *
1312      * @param operation     Access check performed.
1313      * @param result        Result of the operation.
1314      */
1315     private void onAuthorizationCheckFinish(RemoteOperationResult result) {
1316         mExistenceCheckOpId = -1;
1317         try {
1318             dismissDialog(DIALOG_LOGIN_PROGRESS);
1319         } catch (IllegalArgumentException e) {
1320             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
1321         }
1322
1323         if (result.isSuccess()) {
1324             Log_OC.d(TAG, "Successful access - time to save the account");
1325
1326             boolean success = false;
1327             if (mAction == ACTION_CREATE) {
1328                 success = createAccount();
1329
1330             } else {
1331                 updateToken();
1332                 success = true;
1333             }
1334
1335             if (success) {
1336                 finish();
1337             }
1338
1339         } else if (result.isServerFail() || result.isException()) {
1340             /// if server fail or exception in authorization, the UI is updated as when a server check failed
1341             mServerIsChecked = true;
1342             mServerIsValid = false;
1343             mIsSslConn = false;
1344             mServerInfoOperation = null;
1345             mDiscoveredVersion = null;
1346             mHostBaseUrl = normalizeUrl(mHostUrlInput.getText().toString());
1347
1348             // update status icon and text
1349             updateServerStatusIconAndText(result);
1350             showServerStatus();
1351             mAuthStatusIcon = 0;
1352             mAuthStatusText = 0;
1353             showAuthStatus();
1354
1355             // update input controls state
1356             showRefreshButton(true);
1357             mOkButton.setEnabled(false);
1358
1359             // very special case (TODO: move to a common place for all the remote operations) (dangerous here?)
1360             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1361                 showUntrustedCertDialog(result);
1362             }
1363
1364         } else {    // authorization fail due to client side - probably wrong credentials
1365             updateAuthStatusIconAndText(result);
1366             showAuthStatus();
1367             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1368         }
1369     }
1370
1371
1372
1373
1374     /**
1375      * Sets the proper response to get that the Account Authenticator that started this activity saves
1376      * a new authorization token for mAccount.
1377      */
1378     private void updateToken() {
1379         Bundle response = new Bundle();
1380         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1381         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1382
1383         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1384             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1385             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1386             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1387
1388         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1389
1390             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1391             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1392             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1393
1394         } else {
1395             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1396             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1397         }
1398         setAccountAuthenticatorResult(response);
1399
1400     }
1401
1402
1403     /**
1404      * Creates a new account through the Account Authenticator that started this activity.
1405      *
1406      * This makes the account permanent.
1407      *
1408      * TODO Decide how to name the OAuth accounts
1409      */
1410     private boolean createAccount() {
1411         /// create and save new ownCloud account
1412         boolean isOAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1413         boolean isSaml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1414
1415         Uri uri = Uri.parse(mHostBaseUrl);
1416         String username = mUsernameInput.getText().toString().trim();
1417         if (isOAuth) {
1418             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1419         }
1420         String accountName = username + "@" + uri.getHost();
1421         if (uri.getPort() >= 0) {
1422             accountName += ":" + uri.getPort();
1423         }
1424         mAccount = new Account(accountName, MainApp.getAccountType());
1425         if (AccountUtils.exists(mAccount, getApplicationContext())) {
1426             // fail - not a new account, but an existing one; disallow
1427             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1428             updateAuthStatusIconAndText(result);
1429             showAuthStatus();
1430             Log_OC.d(TAG, result.getLogMessage());
1431             return false;
1432
1433         } else {
1434
1435             if (isOAuth || isSaml) {
1436                 mAccountMgr.addAccountExplicitly(mAccount, "", null);  // with external authorizations, the password is never input in the app
1437             } else {
1438                 mAccountMgr.addAccountExplicitly(mAccount, mPasswordInput.getText().toString(), null);
1439             }
1440
1441             /// add the new account as default in preferences, if there is none already
1442             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1443             if (defaultAccount == null) {
1444                 SharedPreferences.Editor editor = PreferenceManager
1445                         .getDefaultSharedPreferences(this).edit();
1446                 editor.putString("select_oc_account", accountName);
1447                 editor.commit();
1448             }
1449
1450             /// prepare result to return to the Authenticator
1451             //  TODO check again what the Authenticator makes with it; probably has the same effect as addAccountExplicitly, but it's not well done
1452             final Intent intent = new Intent();
1453             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1454             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1455             /*if (!isOAuth)
1456                 intent.putExtra(AccountManager.KEY_AUTHTOKEN,   MainApp.getAccountType()); */
1457             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1458             if (isOAuth || isSaml) {
1459                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1460             }
1461             /// add user data to the new account; TODO probably can be done in the last parameter addAccountExplicitly, or in KEY_USERDATA
1462             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_VERSION,         mDiscoveredVersion.getVersion());
1463             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_BASE_URL,   mHostBaseUrl);
1464
1465             if (isSaml) {
1466                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1467             } else if (isOAuth) {
1468                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1469             }
1470
1471             setAccountAuthenticatorResult(intent.getExtras());
1472             setResult(RESULT_OK, intent);
1473
1474             return true;
1475         }
1476     }
1477
1478
1479     /**
1480      * {@inheritDoc}
1481      *
1482      * Necessary to update the contents of the SSL Dialog
1483      *
1484      * TODO move to some common place for all possible untrusted SSL failures
1485      */
1486     @Override
1487     protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
1488         switch (id) {
1489         case DIALOG_LOGIN_PROGRESS:
1490         case DIALOG_CERT_NOT_SAVED:
1491         case DIALOG_OAUTH2_LOGIN_PROGRESS:
1492             break;
1493         default:
1494             Log_OC.e(TAG, "Incorrect dialog called with id = " + id);
1495         }
1496     }
1497
1498
1499     /**
1500      * {@inheritDoc}
1501      */
1502     @Override
1503     protected Dialog onCreateDialog(int id) {
1504         Dialog dialog = null;
1505         switch (id) {
1506         case DIALOG_LOGIN_PROGRESS: {
1507             /// simple progress dialog
1508             ProgressDialog working_dialog = new ProgressDialog(this);
1509             working_dialog.setMessage(getResources().getString(R.string.auth_trying_to_login));
1510             working_dialog.setIndeterminate(true);
1511             working_dialog.setCancelable(true);
1512             working_dialog
1513             .setOnCancelListener(new DialogInterface.OnCancelListener() {
1514                 @Override
1515                 public void onCancel(DialogInterface dialog) {
1516                     /// TODO study if this is enough
1517                     Log_OC.i(TAG, "Login canceled");
1518                     if (mOperationThread != null) {
1519                         mOperationThread.interrupt();
1520                         finish();
1521                     }
1522                 }
1523             });
1524             dialog = working_dialog;
1525             break;
1526         }
1527         case DIALOG_OAUTH2_LOGIN_PROGRESS: {
1528             ProgressDialog working_dialog = new ProgressDialog(this);
1529             working_dialog.setMessage(String.format("Getting authorization"));
1530             working_dialog.setIndeterminate(true);
1531             working_dialog.setCancelable(true);
1532             working_dialog
1533             .setOnCancelListener(new DialogInterface.OnCancelListener() {
1534                 @Override
1535                 public void onCancel(DialogInterface dialog) {
1536                     Log_OC.i(TAG, "Login canceled");
1537                     finish();
1538                 }
1539             });
1540             dialog = working_dialog;
1541             break;
1542         }
1543         case DIALOG_CERT_NOT_SAVED: {
1544             AlertDialog.Builder builder = new AlertDialog.Builder(this);
1545             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
1546             builder.setCancelable(false);
1547             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
1548                 @Override
1549                 public void onClick(DialogInterface dialog, int which) {
1550                     dialog.dismiss();
1551                 };
1552             });
1553             dialog = builder.create();
1554             break;
1555         }
1556         default:
1557             Log_OC.e(TAG, "Incorrect dialog called with id = " + id);
1558         }
1559         return dialog;
1560     }
1561
1562
1563     /**
1564      * Starts and activity to open the 'new account' page in the ownCloud web site
1565      *
1566      * @param view      'Account register' button
1567      */
1568     public void onRegisterClick(View view) {
1569         Intent register = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url)));
1570         setResult(RESULT_CANCELED);
1571         startActivity(register);
1572     }
1573
1574
1575     /**
1576      * Updates the content and visibility state of the icon and text associated
1577      * to the last check on the ownCloud server.
1578      */
1579     private void showServerStatus() {
1580         TextView tv = (TextView) findViewById(R.id.server_status_text);
1581
1582         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1583             tv.setVisibility(View.INVISIBLE);
1584
1585         } else {
1586             tv.setText(mServerStatusText);
1587             tv.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1588             tv.setVisibility(View.VISIBLE);
1589         }
1590
1591     }
1592
1593
1594     /**
1595      * Updates the content and visibility state of the icon and text associated
1596      * to the interactions with the OAuth authorization server.
1597      */
1598     private void showAuthStatus() {
1599         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1600             mAuthStatusLayout.setVisibility(View.INVISIBLE);
1601
1602         } else {
1603             mAuthStatusLayout.setText(mAuthStatusText);
1604             mAuthStatusLayout.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1605             mAuthStatusLayout.setVisibility(View.VISIBLE);
1606         }
1607     }
1608
1609
1610     private void showRefreshButton (boolean show) {
1611         if (show)  {
1612             mRefreshButton.setVisibility(View.VISIBLE);
1613         } else {
1614             mRefreshButton.setVisibility(View.GONE);
1615         }
1616     }
1617
1618     /**
1619      * Called when the refresh button in the input field for ownCloud host is clicked.
1620      *
1621      * Performs a new check on the URL in the input field.
1622      *
1623      * @param view      Refresh 'button'
1624      */
1625     public void onRefreshClick(View view) {
1626         checkOcServer();
1627     }
1628
1629
1630     /**
1631      * Called when the eye icon in the password field is clicked.
1632      *
1633      * Toggles the visibility of the password in the field.
1634      */
1635     public void onViewPasswordClick() {
1636         int selectionStart = mPasswordInput.getSelectionStart();
1637         int selectionEnd = mPasswordInput.getSelectionEnd();
1638         if (isPasswordVisible()) {
1639             hidePassword();
1640         } else {
1641             showPassword();
1642         }
1643         mPasswordInput.setSelection(selectionStart, selectionEnd);
1644     }
1645
1646
1647     /**
1648      * Called when the checkbox for OAuth authorization is clicked.
1649      *
1650      * Hides or shows the input fields for user & password.
1651      *
1652      * @param view      'View password' 'button'
1653      */
1654     public void onCheckClick(View view) {
1655         CheckBox oAuth2Check = (CheckBox)view;
1656         if (oAuth2Check.isChecked()) {
1657             mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1658         } else {
1659             mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1660         }
1661         adaptViewAccordingToAuthenticationMethod();
1662     }
1663
1664
1665     /**
1666      * Changes the visibility of input elements depending on
1667      * the current authorization method.
1668      */
1669     private void adaptViewAccordingToAuthenticationMethod () {
1670         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1671             // OAuth 2 authorization
1672             mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
1673             mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
1674             mUsernameInput.setVisibility(View.GONE);
1675             mPasswordInput.setVisibility(View.GONE);
1676
1677         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1678             // SAML-based web Single Sign On
1679             mOAuthAuthEndpointText.setVisibility(View.GONE);
1680             mOAuthTokenEndpointText.setVisibility(View.GONE);
1681             mUsernameInput.setVisibility(View.GONE);
1682             mPasswordInput.setVisibility(View.GONE);
1683         } else {
1684             // basic HTTP authorization
1685             mOAuthAuthEndpointText.setVisibility(View.GONE);
1686             mOAuthTokenEndpointText.setVisibility(View.GONE);
1687             mUsernameInput.setVisibility(View.VISIBLE);
1688             mPasswordInput.setVisibility(View.VISIBLE);
1689         }
1690     }
1691
1692     /**
1693      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1694      *
1695      *  Used to trigger the authentication check when the user presses 'enter' after writing the password,
1696      *  or to throw the server test when the only field on screen is the URL input field.
1697      */
1698     @Override
1699     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1700         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null && inputField.equals(mPasswordInput)) {
1701             if (mOkButton.isEnabled()) {
1702                 mOkButton.performClick();
1703             }
1704
1705         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null && inputField.equals(mHostUrlInput)) {
1706             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1707                 checkOcServer();
1708             }
1709         }
1710         return false;   // always return false to grant that the software keyboard is hidden anyway
1711     }
1712
1713
1714     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1715
1716         private int fuzz = 75;
1717
1718         /**
1719          * {@inheritDoc}
1720          */
1721         @Override
1722         public boolean onTouch(View view, MotionEvent event) {
1723             Drawable rightDrawable = null;
1724             if (view instanceof TextView) {
1725                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1726                 if (drawables.length > 2) {
1727                     rightDrawable = drawables[2];
1728                 }
1729             }
1730             if (rightDrawable != null) {
1731                 final int x = (int) event.getX();
1732                 final int y = (int) event.getY();
1733                 final Rect bounds = rightDrawable.getBounds();
1734                 if (x >= (view.getRight() - bounds.width() - fuzz) && x <= (view.getRight() - view.getPaddingRight() + fuzz)
1735                         && y >= (view.getPaddingTop() - fuzz) && y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1736
1737                     return onDrawableTouch(event);
1738                 }
1739             }
1740             return false;
1741         }
1742
1743         public abstract boolean onDrawableTouch(final MotionEvent event);
1744     }
1745
1746
1747     public void onSamlDialogSuccess(String sessionCookie) {
1748         mAuthToken = sessionCookie;
1749
1750         if (sessionCookie != null && sessionCookie.length() > 0) {
1751             mAuthToken = sessionCookie;
1752
1753 //            GetRemoteUserNameOperation getUserOperation = new GetRemoteUserNameOperation();
1754 //            OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl), getApplicationContext(), true);
1755 //            client.setSsoSessionCookie(mAuthToken);
1756 //            getUserOperation.execute(client, this, mHandler);
1757             boolean followRedirects = true;
1758             getRemoteUserNameOperation(sessionCookie, followRedirects);
1759         }
1760     }
1761
1762     private void getRemoteUserNameOperation(String sessionCookie, boolean followRedirects) {
1763
1764         Intent getUserNameIntent = new Intent();
1765         getUserNameIntent.setAction(OperationsService.ACTION_GET_USER_NAME);
1766         getUserNameIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mHostBaseUrl);
1767         getUserNameIntent.putExtra(OperationsService.EXTRA_COOKIE, sessionCookie);
1768         getUserNameIntent.putExtra(OperationsService.EXTRA_FOLLOW_REDIRECTS, followRedirects);
1769
1770         if (mOperationsServiceBinder != null) {
1771             Log_OC.wtf(TAG, "starting getRemoteUserNameOperation..." );
1772             mGetUserNameOpId = mOperationsServiceBinder.newOperation(getUserNameIntent);
1773         }
1774     }
1775
1776
1777     @Override
1778     public void onSsoFinished(String sessionCookies) {
1779         //Toast.makeText(this, "got cookies: " + sessionCookie, Toast.LENGTH_LONG).show();
1780
1781         if (sessionCookies != null && sessionCookies.length() > 0) {
1782             Log_OC.d(TAG, "Successful SSO - time to save the account");
1783             onSamlDialogSuccess(sessionCookies);
1784             Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1785             if (fd != null && fd instanceof SherlockDialogFragment) {
1786                 Dialog d = ((SherlockDialogFragment)fd).getDialog();
1787                 if (d != null && d.isShowing()) {
1788                     d.dismiss();
1789                 }
1790             }
1791
1792         } else {
1793             // TODO - show fail
1794             Log_OC.d(TAG, "SSO failed");
1795         }
1796
1797     }
1798
1799     /** Show auth_message
1800      *
1801      * @param message
1802      */
1803     private void showAuthMessage(String message) {
1804         mAuthMessage.setVisibility(View.VISIBLE);
1805         mAuthMessage.setText(message);
1806     }
1807
1808     private void hideAuthMessage() {
1809         mAuthMessage.setVisibility(View.GONE);
1810     }
1811
1812     @Override
1813     public boolean onTouchEvent(MotionEvent event) {
1814         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
1815                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1816             checkOcServer();
1817         }
1818         return super.onTouchEvent(event);
1819     }
1820
1821
1822     /**
1823      * Show untrusted cert dialog
1824      */
1825     public void showUntrustedCertDialog(X509Certificate x509Certificate, SslError error, SslErrorHandler handler) {
1826         // Show a dialog with the certificate info
1827         SslUntrustedCertDialog dialog = null;
1828         if (x509Certificate == null) {
1829             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
1830         } else {
1831             dialog = SslUntrustedCertDialog.newInstanceForFullSslError(x509Certificate, error, handler);
1832         }
1833         FragmentManager fm = getSupportFragmentManager();
1834         FragmentTransaction ft = fm.beginTransaction();
1835         ft.addToBackStack(null);
1836         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1837     }
1838
1839     /**
1840      * Show untrusted cert dialog
1841      */
1842     public void showUntrustedCertDialog(RemoteOperationResult result) {
1843         // Show a dialog with the certificate info
1844         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1845         FragmentManager fm = getSupportFragmentManager();
1846         FragmentTransaction ft = fm.beginTransaction();
1847         ft.addToBackStack(null);
1848         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1849
1850     }
1851
1852     /**
1853      * Dismiss untrusted cert dialog
1854      */
1855     public void dismissUntrustedCertDialog(){
1856         /*Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_UNTRUSTED_CERT);
1857         if (frag != null) {
1858             SslErrorViewAdapter dialog = (SslErrorViewAdapter) frag;
1859             dialog.dismiss();
1860         }
1861          */
1862     }
1863
1864     /**
1865      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1866      */
1867     public void onSavedCertificate() {
1868         Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1869         if (fd == null) {
1870             // if SAML dialog is not shown, the SslDialog was shown due to an SSL error in the server check
1871             checkOcServer();
1872         }
1873     }
1874
1875     /**
1876      * Called from SslValidatorDialog when a new server certificate could not be saved
1877      * when the user requested it.
1878      */
1879     @Override
1880     public void onFailedSavingCertificate() {
1881         showDialog(DIALOG_CERT_NOT_SAVED);
1882         cancelWebView();
1883     }
1884
1885     @Override
1886     public void onCancelCertificate() {
1887         cancelWebView();
1888     }
1889
1890
1891     public void cancelWebView() {
1892         Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1893         if (fd != null && fd instanceof SherlockDialogFragment) {
1894             Dialog d = ((SherlockDialogFragment)fd).getDialog();
1895             if (d != null && d.isShowing()) {
1896                 d.dismiss();
1897             }
1898         }
1899
1900     }
1901
1902
1903     private void doOnResumeAndBound() {
1904         //Log.wtf(TAG, "registering to listen for operation callbacks" );
1905         mOperationsServiceBinder.addOperationListener(AuthenticatorActivity.this, mHandler);
1906
1907         if (mGetServerInfoOpId != -1) {
1908             RemoteOperationResult result =
1909                     mOperationsServiceBinder.getOperationResultIfFinished(mGetServerInfoOpId);
1910             if (result != null) {
1911                 //Log_OC.wtf(TAG, "found result of operation finished while rotating");
1912                 onGetServerInfoFinish(result);
1913             }
1914
1915         } else if (mOauth2GetAccessTokenOpId != -1) {
1916             RemoteOperationResult result =
1917                     mOperationsServiceBinder.getOperationResultIfFinished(
1918                             mOauth2GetAccessTokenOpId);
1919             if (result != null) {
1920                 //Log_OC.wtf(TAG, "found result of operation finished while rotating");
1921                 onGetOAuthAccessTokenFinish(result);
1922             }
1923
1924         } else if (mExistenceCheckOpId != -1) {
1925             RemoteOperationResult result =
1926                     mOperationsServiceBinder.getOperationResultIfFinished(mExistenceCheckOpId);
1927             if (result != null) {
1928                 //Log_OC.wtf(TAG, "found result of operation finished while rotating");
1929                 if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(
1930                         MainApp.getAccountType()).equals(mAuthTokenType)) {
1931                     onSamlBasedFederatedSingleSignOnAuthorizationStart(result);
1932
1933                 } else {
1934                     onAuthorizationCheckFinish(result);
1935                 }
1936             }
1937         }if (mGetUserNameOpId != -1) {
1938             RemoteOperationResult result =
1939                     mOperationsServiceBinder.getOperationResultIfFinished(mGetUserNameOpId);
1940             if (result != null) {
1941                 //Log_OC.wtf(TAG, "found result of operation finished while rotating");
1942                 onGetUserNameFinish(result);
1943             }
1944
1945         }
1946
1947     }
1948
1949     /**
1950      * Implements callback methods for service binding.
1951      */
1952     private class OperationsServiceConnection implements ServiceConnection {
1953
1954         @Override
1955         public void onServiceConnected(ComponentName component, IBinder service) {
1956             if (component.equals(new ComponentName(AuthenticatorActivity.this, OperationsService.class))) {
1957                 //Log_OC.wtf(TAG, "Operations service connected");
1958                 mOperationsServiceBinder = (OperationsServiceBinder) service;
1959
1960                 doOnResumeAndBound();
1961
1962             } else {
1963                 return;
1964             }
1965
1966         }
1967
1968         @Override
1969         public void onServiceDisconnected(ComponentName component) {
1970             if (component.equals(new ComponentName(AuthenticatorActivity.this, OperationsService.class))) {
1971                 Log_OC.e(TAG, "Operations service crashed");
1972                 mOperationsServiceBinder = null;
1973             }
1974         }
1975
1976     }
1977
1978 }