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
  23 import android.accounts.Account;
  24 import android.accounts.AccountManager;
  25 import android.app.AlertDialog;
  26 import android.app.Dialog;
  27 import android.app.ProgressDialog;
  28 import android.content.ComponentName;
  29 import android.content.Context;
  30 import android.content.DialogInterface;
  31 import android.content.Intent;
  32 import android.content.ServiceConnection;
  33 import android.content.SharedPreferences;
  34 import android.graphics.Rect;
  35 import android.graphics.drawable.Drawable;
  36 import android.net.Uri;
  37 import android.net.http.SslError;
  38 import android.os.Bundle;
  39 import android.os.Handler;
  40 import android.os.IBinder;
  41 import android.preference.PreferenceManager;
  42 import android.support.v4.app.Fragment;
  43 import android.support.v4.app.FragmentManager;
  44 import android.support.v4.app.FragmentTransaction;
  45 import android.text.Editable;
  46 import android.text.InputType;
  47 import android.text.TextWatcher;
  48 import android.util.Log;
  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.lib.common.OwnCloudClientFactory;
  71 import com.owncloud.android.lib.common.OwnCloudClient;
  72 import com.owncloud.android.operations.DetectAuthenticationMethodOperation;
  73 import com.owncloud.android.operations.DetectAuthenticationMethodOperation.AuthenticationMethod;
  74 import com.owncloud.android.operations.OAuth2GetAccessToken;
  75
  76 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  77 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  78 import com.owncloud.android.lib.resources.status.GetRemoteStatusOperation;
  79 import com.owncloud.android.lib.common.operations.RemoteOperation;
  80 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  81 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  82 import com.owncloud.android.lib.resources.files.ExistenceCheckRemoteOperation;
  83 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  84
  85 import com.owncloud.android.services.OperationsService;
  86 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  87 import com.owncloud.android.ui.dialog.SamlWebViewDialog;
  88 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  89 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  90 import com.owncloud.android.utils.Log_OC;
  91 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  92
  93 /**
  94  * This Activity is used to add an ownCloud account to the App
  95  *
  96  * @author Bartek Przybylski
  97  * @author David A. Velasco
  98  */
  99 public class AuthenticatorActivity extends AccountAuthenticatorActivity
 100 implements  OnRemoteOperationListener, OnFocusChangeListener, OnEditorActionListener,
 101 SsoWebViewClientListener, OnSslUntrustedCertListener {
 102
 103     private static final String TAG = AuthenticatorActivity.class.getSimpleName();
 104
 105     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 106     public static final String EXTRA_USER_NAME = "USER_NAME";
 107     public static final String EXTRA_HOST_NAME = "HOST_NAME";
 108     public static final String EXTRA_ACTION = "ACTION";
 109     public static final String EXTRA_ENFORCED_UPDATE = "ENFORCE_UPDATE";
 110
 111     private static final String KEY_AUTH_MESSAGE_VISIBILITY = "AUTH_MESSAGE_VISIBILITY";
 112     private static final String KEY_AUTH_MESSAGE_TEXT = "AUTH_MESSAGE_TEXT";
 113     private static final String KEY_HOST_URL_TEXT = "HOST_URL_TEXT";
 114     private static final String KEY_OC_VERSION = "OC_VERSION";
 115     private static final String KEY_ACCOUNT = "ACCOUNT";
 116     private static final String KEY_SERVER_VALID = "SERVER_VALID";
 117     private static final String KEY_SERVER_CHECKED = "SERVER_CHECKED";
 118     private static final String KEY_SERVER_CHECK_IN_PROGRESS = "SERVER_CHECK_IN_PROGRESS";
 119     private static final String KEY_SERVER_STATUS_TEXT = "SERVER_STATUS_TEXT";
 120     private static final String KEY_SERVER_STATUS_ICON = "SERVER_STATUS_ICON";
 121     private static final String KEY_IS_SSL_CONN = "IS_SSL_CONN";
 122     private static final String KEY_PASSWORD_VISIBLE = "PASSWORD_VISIBLE";
 123     private static final String KEY_AUTH_STATUS_TEXT = "AUTH_STATUS_TEXT";
 124     private static final String KEY_AUTH_STATUS_ICON = "AUTH_STATUS_ICON";
 125     private static final String KEY_REFRESH_BUTTON_ENABLED = "KEY_REFRESH_BUTTON_ENABLED";
 126     //private static final String KEY_IS_SHARED_SUPPORTED = "KEY_IS_SHARE_SUPPORTED";
 127     private static final String KEY_SERVER_AUTH_METHOD = "KEY_SERVER_AUTH_METHOD";
 128     private static final String KEY_DETECT_AUTH_OP_ID = "KEY_DETECT_AUTH_OP_ID";
 129
 130
 131     private static final String AUTH_ON = "on";
 132     private static final String AUTH_OFF = "off";
 133     private static final String AUTH_OPTIONAL = "optional";
 134
 135     private static final int DIALOG_LOGIN_PROGRESS = 0;
 136     private static final int DIALOG_CERT_NOT_SAVED = 1;
 137     private static final int DIALOG_OAUTH2_LOGIN_PROGRESS = 2;
 138
 139     public static final byte ACTION_CREATE = 0;
 140     public static final byte ACTION_UPDATE_TOKEN = 1;
 141
 142     private static final String TAG_SAML_DIALOG = "samlWebViewDialog";
 143
 144     private String mHostBaseUrl;
 145     private OwnCloudVersion mDiscoveredVersion;
 146
 147     private String mAuthMessageText;
 148     private int mAuthMessageVisibility, mServerStatusText, mServerStatusIcon;
 149     private boolean mServerIsChecked, mServerIsValid, mIsSslConn;
 150     private AuthenticationMethod mServerAuthMethod = AuthenticationMethod.UNKNOWN;
 151     private int mDetectAuthOpId = -1;
 152
 153     private int mAuthStatusText, mAuthStatusIcon;
 154     private TextView mAuthStatusLayout;
 155
 156     private final Handler mHandler = new Handler();
 157     private Thread mOperationThread;
 158     private GetRemoteStatusOperation mOcServerChkOperation;
 159     //private ExistenceCheckRemoteOperation mAuthCheckOperation;
 160     private int mExistenceCheckOpId = -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     /**
 200      * {@inheritDoc}
 201      *
 202      * IMPORTANT ENTRY POINT 1: activity is shown to the user
 203      */
 204     @Override
 205     protected void onCreate(Bundle savedInstanceState) {
 206         super.onCreate(savedInstanceState);
 207         getWindow().requestFeature(Window.FEATURE_NO_TITLE);
 208
 209         // bind to Operations Service
 210         mOperationsServiceConnection = new OperationsServiceConnection();
 211         if (!bindService(new Intent(this, OperationsService.class),
 212                 mOperationsServiceConnection,
 213                 Context.BIND_AUTO_CREATE)) {
 214             Toast.makeText(this,
 215                     R.string.error_cant_bind_to_operations_service,
 216                     Toast.LENGTH_LONG)
 217                         .show();
 218             finish();
 219         }
 220
 221         /// set view and get references to view elements
 222         setContentView(R.layout.account_setup);
 223         mAuthMessage = (TextView) findViewById(R.id.auth_message);
 224         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 225         mHostUrlInput.setText(getString(R.string.server_url));  // valid although R.string.server_url is an empty string
 226         mUsernameInput = (EditText) findViewById(R.id.account_username);
 227         mPasswordInput = (EditText) findViewById(R.id.account_password);
 228         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 229         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 230         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 231         mOkButton = findViewById(R.id.buttonOK);
 232         mAuthStatusLayout = (TextView) findViewById(R.id.auth_status_text);
 233
 234         /// set Host Url Input Enabled
 235         mHostUrlInputEnabled = getResources().getBoolean(R.bool.show_server_url_input);
 236
 237         /// set visibility of link for new users
 238         boolean accountRegisterVisibility = getResources().getBoolean(R.bool.show_welcome_link);
 239         Button welcomeLink = (Button) findViewById(R.id.welcome_link);
 240         if (welcomeLink != null) {
 241             if (accountRegisterVisibility) {
 242                 welcomeLink.setVisibility(View.VISIBLE);
 243                 welcomeLink.setText(String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 244             } else {
 245                 findViewById(R.id.welcome_link).setVisibility(View.GONE);
 246             }
 247         }
 248
 249         /// initialization
 250         mAccountMgr = AccountManager.get(this);
 251         mNewCapturedUriFromOAuth2Redirection = null;
 252         mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE);
 253         mAccount = null;
 254         mHostBaseUrl = "";
 255         boolean refreshButtonEnabled = false;
 256
 257         // URL input configuration applied
 258         if (!mHostUrlInputEnabled)
 259         {
 260             findViewById(R.id.hostUrlFrame).setVisibility(View.GONE);
 261             mRefreshButton = findViewById(R.id.centeredRefreshButton);
 262
 263         } else {
 264             mRefreshButton = findViewById(R.id.embeddedRefreshButton);
 265         }
 266
 267         if (savedInstanceState == null) {
 268             mResumed = false;
 269             /// connection state and info
 270             mAuthMessageVisibility = View.GONE;
 271             mServerStatusText = mServerStatusIcon = 0;
 272             mServerIsValid = false;
 273             mServerIsChecked = false;
 274             mIsSslConn = false;
 275             mAuthStatusText = mAuthStatusIcon = 0;
 276
 277             /// retrieve extras from intent
 278             mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 279             if (mAccount != null) {
 280                 String ocVersion = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION);
 281                 if (ocVersion != null) {
 282                     mDiscoveredVersion = new OwnCloudVersion(ocVersion);
 283                 }
 284                 mHostBaseUrl = normalizeUrl(mAccountMgr.getUserData(mAccount, Constants.KEY_OC_BASE_URL));
 285                 mHostUrlInput.setText(mHostBaseUrl);
 286                 String userName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 287                 mUsernameInput.setText(userName);
 288
 289             }
 290             initAuthorizationMethod();  // checks intent and setup.xml to determine mCurrentAuthorizationMethod
 291             mJustCreated = true;
 292
 293             if (mAction == ACTION_UPDATE_TOKEN || !mHostUrlInputEnabled) {
 294                 checkOcServer();
 295             }
 296
 297         } else {
 298             mResumed = true;
 299             /// connection state and info
 300             mAuthMessageVisibility = savedInstanceState.getInt(KEY_AUTH_MESSAGE_VISIBILITY);
 301             mAuthMessageText = savedInstanceState.getString(KEY_AUTH_MESSAGE_TEXT);
 302             mServerIsValid = savedInstanceState.getBoolean(KEY_SERVER_VALID);
 303             mServerIsChecked = savedInstanceState.getBoolean(KEY_SERVER_CHECKED);
 304             mServerStatusText = savedInstanceState.getInt(KEY_SERVER_STATUS_TEXT);
 305             mServerStatusIcon = savedInstanceState.getInt(KEY_SERVER_STATUS_ICON);
 306             mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 307             mAuthStatusText = savedInstanceState.getInt(KEY_AUTH_STATUS_TEXT);
 308             mAuthStatusIcon = savedInstanceState.getInt(KEY_AUTH_STATUS_ICON);
 309             if (savedInstanceState.getBoolean(KEY_PASSWORD_VISIBLE, false)) {
 310                 showPassword();
 311             }
 312
 313             /// server data
 314             String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 315             if (ocVersion != null) {
 316                 mDiscoveredVersion = new OwnCloudVersion(ocVersion);
 317             }
 318             mHostBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 319
 320             // account data, if updating
 321             mAccount = savedInstanceState.getParcelable(KEY_ACCOUNT);
 322             mAuthTokenType = savedInstanceState.getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 323             if (mAuthTokenType == null) {
 324                 mAuthTokenType =  AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 325
 326             }
 327
 328             // check if server check was interrupted by a configuration change
 329             if (savedInstanceState.getBoolean(KEY_SERVER_CHECK_IN_PROGRESS, false)) {
 330                 checkOcServer();
 331             }
 332
 333             // refresh button enabled
 334             refreshButtonEnabled = savedInstanceState.getBoolean(KEY_REFRESH_BUTTON_ENABLED);
 335
 336
 337             mServerAuthMethod = AuthenticationMethod.valueOf(
 338                     savedInstanceState.getString(KEY_SERVER_AUTH_METHOD));
 339             mDetectAuthOpId = savedInstanceState.getInt(KEY_DETECT_AUTH_OP_ID);
 340
 341         }
 342
 343         if (mAuthMessageVisibility== View.VISIBLE) {
 344             showAuthMessage(mAuthMessageText);
 345         }
 346         else {
 347             hideAuthMessage();
 348         }
 349         adaptViewAccordingToAuthenticationMethod();
 350         showServerStatus();
 351         showAuthStatus();
 352
 353         if (mAction == ACTION_UPDATE_TOKEN) {
 354             /// lock things that should not change
 355             mHostUrlInput.setEnabled(false);
 356             mHostUrlInput.setFocusable(false);
 357             mUsernameInput.setEnabled(false);
 358             mUsernameInput.setFocusable(false);
 359             mOAuth2Check.setVisibility(View.GONE);
 360         }
 361
 362         //if (mServerIsChecked && !mServerIsValid && mRefreshButtonEnabled) showRefreshButton();
 363         if (mServerIsChecked && !mServerIsValid && refreshButtonEnabled) showRefreshButton();
 364         mOkButton.setEnabled(mServerIsValid); // state not automatically recovered in configuration changes
 365
 366         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) ||
 367                 !AUTH_OPTIONAL.equals(getString(R.string.auth_method_oauth2))) {
 368             mOAuth2Check.setVisibility(View.GONE);
 369         }
 370
 371         mPasswordInput.setText("");     // clean password to avoid social hacking (disadvantage: password in removed if the device is turned aside)
 372
 373         /// bind view elements to listeners and other friends
 374         mHostUrlInput.setOnFocusChangeListener(this);
 375         mHostUrlInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 376         mHostUrlInput.setOnEditorActionListener(this);
 377         mHostUrlInput.addTextChangedListener(new TextWatcher() {
 378
 379             @Override
 380             public void afterTextChanged(Editable s) {
 381                 if (!mHostBaseUrl.equals(normalizeUrl(mHostUrlInput.getText().toString()))) {
 382                     mOkButton.setEnabled(false);
 383                 }
 384             }
 385
 386             @Override
 387             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 388             }
 389
 390             @Override
 391             public void onTextChanged(CharSequence s, int start, int before, int count) {
 392                 if (!mResumed) {
 393                     mAuthStatusIcon = 0;
 394                     mAuthStatusText = 0;
 395                     showAuthStatus();
 396                 }
 397                 mResumed = false;
 398             }
 399         });
 400
 401         mPasswordInput.setOnFocusChangeListener(this);
 402         mPasswordInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
 403         mPasswordInput.setOnEditorActionListener(this);
 404         mPasswordInput.setOnTouchListener(new RightDrawableOnTouchListener() {
 405             @Override
 406             public boolean onDrawableTouch(final MotionEvent event) {
 407                 if (event.getAction() == MotionEvent.ACTION_UP) {
 408                     AuthenticatorActivity.this.onViewPasswordClick();
 409                 }
 410                 return true;
 411             }
 412         });
 413
 414         findViewById(R.id.scroll).setOnTouchListener(new OnTouchListener() {
 415             @Override
 416             public boolean onTouch(View view, MotionEvent event) {
 417                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 418                     if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
 419                             mHostUrlInput.hasFocus()) {
 420                         checkOcServer();
 421                     }
 422                 }
 423                 return false;
 424             }
 425         });
 426
 427     }
 428
 429
 430
 431     private void initAuthorizationMethod() {
 432         boolean oAuthRequired = false;
 433         boolean samlWebSsoRequired = false;
 434
 435         mAuthTokenType = getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 436         mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 437
 438         // TODO could be a good moment to validate the received token type, if not null
 439
 440         if (mAuthTokenType == null) {
 441             if (mAccount != null) {
 442                 /// same authentication method than the one used to create the account to update
 443                 oAuthRequired = (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2) != null);
 444                 samlWebSsoRequired = (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO) != null);
 445
 446             } else {
 447                 /// use the one set in setup.xml
 448                 oAuthRequired = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
 449                 samlWebSsoRequired = AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));
 450             }
 451             if (oAuthRequired) {
 452                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
 453             } else if (samlWebSsoRequired) {
 454                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 455             } else {
 456                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 457             }
 458         }
 459
 460         if (mAccount != null) {
 461             String userName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 462             mUsernameInput.setText(userName);
 463         }
 464
 465         mOAuth2Check.setChecked(AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType));
 466
 467     }
 468
 469     /**
 470      * Saves relevant state before {@link #onPause()}
 471      *
 472      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag, intended to defer the
 473      * processing of the redirection caught in {@link #onNewIntent(Intent)} until {@link #onResume()}
 474      *
 475      * See {@link #loadSavedInstanceState(Bundle)}
 476      */
 477     @Override
 478     protected void onSaveInstanceState(Bundle outState) {
 479         //Log.wtf(TAG, "onSaveInstanceState init" );
 480         super.onSaveInstanceState(outState);
 481
 482         /// connection state and info
 483         outState.putInt(KEY_AUTH_MESSAGE_VISIBILITY, mAuthMessage.getVisibility());
 484         outState.putString(KEY_AUTH_MESSAGE_TEXT, mAuthMessage.getText().toString());
 485         outState.putInt(KEY_SERVER_STATUS_TEXT, mServerStatusText);
 486         outState.putInt(KEY_SERVER_STATUS_ICON, mServerStatusIcon);
 487         outState.putBoolean(KEY_SERVER_VALID, mServerIsValid);
 488         outState.putBoolean(KEY_SERVER_CHECKED, mServerIsChecked);
 489         outState.putBoolean(KEY_SERVER_CHECK_IN_PROGRESS, (!mServerIsValid && mOcServerChkOperation != null));
 490         outState.putBoolean(KEY_IS_SSL_CONN, mIsSslConn);
 491         outState.putBoolean(KEY_PASSWORD_VISIBLE, isPasswordVisible());
 492         outState.putInt(KEY_AUTH_STATUS_ICON, mAuthStatusIcon);
 493         outState.putInt(KEY_AUTH_STATUS_TEXT, mAuthStatusText);
 494
 495         /// server data
 496         if (mDiscoveredVersion != null) {
 497             outState.putString(KEY_OC_VERSION, mDiscoveredVersion.getVersion());
 498         }
 499         outState.putString(KEY_HOST_URL_TEXT, mHostBaseUrl);
 500
 501         /// account data, if updating
 502         if (mAccount != null) {
 503             outState.putParcelable(KEY_ACCOUNT, mAccount);
 504         }
 505         outState.putString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE, mAuthTokenType);
 506
 507         // refresh button enabled
 508         outState.putBoolean(KEY_REFRESH_BUTTON_ENABLED, (mRefreshButton.getVisibility() == View.VISIBLE));
 509
 510         outState.putString(KEY_SERVER_AUTH_METHOD, mServerAuthMethod.name());
 511         outState.putInt(KEY_DETECT_AUTH_OP_ID, mDetectAuthOpId);
 512         //Log.wtf(TAG, "onSaveInstanceState end" );
 513     }
 514
 515
 516     /**
 517      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION request
 518      * is caught here.
 519      *
 520      * To make this possible, this activity needs to be qualified with android:launchMode = "singleTask" in the
 521      * AndroidManifest.xml file.
 522      */
 523     @Override
 524     protected void onNewIntent (Intent intent) {
 525         Log_OC.d(TAG, "onNewIntent()");
 526         Uri data = intent.getData();
 527         if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) {
 528             mNewCapturedUriFromOAuth2Redirection = data;
 529         }
 530     }
 531
 532
 533     /**
 534      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION, and
 535      * deferred in {@link #onNewIntent(Intent)}, is processed here.
 536      */
 537     @Override
 538     protected void onResume() {
 539         //Log.wtf(TAG, "onResume init" );
 540         super.onResume();
 541
 542         if (mAction == ACTION_UPDATE_TOKEN && mJustCreated && getIntent().getBooleanExtra(EXTRA_ENFORCED_UPDATE, false)) {
 543             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 544                 //Toast.makeText(this, R.string.auth_expired_oauth_token_toast, Toast.LENGTH_LONG).show();
 545                 showAuthMessage(getString(R.string.auth_expired_oauth_token_toast));
 546             } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 547                 //Toast.makeText(this, R.string.auth_expired_saml_sso_token_toast, Toast.LENGTH_LONG).show();
 548                 showAuthMessage(getString(R.string.auth_expired_saml_sso_token_toast));
 549             } else {
 550                 //Toast.makeText(this, R.string.auth_expired_basic_auth_toast, Toast.LENGTH_LONG).show();
 551                 showAuthMessage(getString(R.string.auth_expired_basic_auth_toast));
 552             }
 553         }
 554
 555         if (mNewCapturedUriFromOAuth2Redirection != null) {
 556             getOAuth2AccessTokenFromCapturedRedirection();
 557         }
 558
 559         mJustCreated = false;
 560
 561         if (mOperationsServiceBinder != null) {
 562             doOnResumeAndBound();
 563         }
 564
 565         //Log.wtf(TAG, "onResume end" );
 566     }
 567
 568
 569     @Override
 570     protected void onPause() {
 571         //Log.wtf(TAG, "onPause init" );
 572         if (mOperationsServiceBinder != null) {
 573             //Log.wtf(TAG, "unregistering to listen for operation callbacks" );
 574             mOperationsServiceBinder.removeOperationListener(this);
 575         }
 576         super.onPause();
 577         //Log.wtf(TAG, "onPause end" );
 578     }
 579
 580     @Override
 581     protected void onDestroy() {
 582         if (mOperationsServiceConnection != null) {
 583             unbindService(mOperationsServiceConnection);
 584             mOperationsServiceBinder = null;
 585         }
 586         super.onDestroy();
 587     }
 588
 589
 590     /**
 591      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 592      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 593      */
 594     private void getOAuth2AccessTokenFromCapturedRedirection() {
 595         /// Parse data from OAuth redirection
 596         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 597         mNewCapturedUriFromOAuth2Redirection = null;
 598
 599         /// Showing the dialog with instructions for the user.
 600         showDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
 601
 602         /// GET ACCESS TOKEN to the oAuth server
 603         RemoteOperation operation = new OAuth2GetAccessToken(   getString(R.string.oauth2_client_id),
 604                 getString(R.string.oauth2_redirect_uri),
 605                 getString(R.string.oauth2_grant_type),
 606                 queryParameters);
 607         //OwnCloudClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(getString(R.string.oauth2_url_endpoint_access)), getApplicationContext());
 608         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mOAuthTokenEndpointText.getText().toString().trim()), getApplicationContext(), true);
 609         operation.execute(client, this, mHandler);
 610     }
 611
 612
 613
 614     /**
 615      * Handles the change of focus on the text inputs for the server URL and the password
 616      */
 617     public void onFocusChange(View view, boolean hasFocus) {
 618         if (view.getId() == R.id.hostUrlInput) {
 619             if (!hasFocus) {
 620                 onUrlInputFocusLost((TextView) view);
 621             }
 622             else {
 623                 hideRefreshButton();
 624             }
 625
 626         } else if (view.getId() == R.id.account_password) {
 627             onPasswordFocusChanged((TextView) view, hasFocus);
 628         }
 629     }
 630
 631
 632     /**
 633      * Handles changes in focus on the text input for the server URL.
 634      *
 635      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 636      * other field. The operation to check the existence of the server in the entered URL is
 637      * started.
 638      *
 639      * When hasFocus:    user 'comes back' to write again the server URL.
 640      *
 641      * @param hostInput     TextView with the URL input field receiving the change of focus.
 642      */
 643     private void onUrlInputFocusLost(TextView hostInput) {
 644         if (!mHostBaseUrl.equals(normalizeUrl(mHostUrlInput.getText().toString()))) {
 645             checkOcServer();
 646         } else {
 647             mOkButton.setEnabled(mServerIsValid);
 648             if (!mServerIsValid) {
 649                 showRefreshButton();
 650             }
 651         }
 652     }
 653
 654
 655     private void checkOcServer() {
 656         String uri = trimUrlWebdav(mHostUrlInput.getText().toString().trim());
 657
 658         if (!mHostUrlInputEnabled){
 659             uri = getString(R.string.server_url);
 660         }
 661
 662         mServerIsValid = false;
 663         mServerIsChecked = false;
 664         mOkButton.setEnabled(false);
 665         mDiscoveredVersion = null;
 666         hideRefreshButton();
 667         if (uri.length() != 0) {
 668             mServerStatusText = R.string.auth_testing_connection;
 669             mServerStatusIcon = R.drawable.progress_small;
 670             showServerStatus();
 671             mOcServerChkOperation = new  GetRemoteStatusOperation(uri, this);
 672             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(uri), this, true);
 673             mOperationThread = mOcServerChkOperation.execute(client, this, mHandler);
 674         } else {
 675             mServerStatusText = 0;
 676             mServerStatusIcon = 0;
 677             showServerStatus();
 678         }
 679     }
 680
 681
 682     /**
 683      * Handles changes in focus on the text input for the password (basic authorization).
 684      *
 685      * When (hasFocus), the button to toggle password visibility is shown.
 686      *
 687      * When (!hasFocus), the button is made invisible and the password is hidden.
 688      *
 689      * @param passwordInput    TextView with the password input field receiving the change of focus.
 690      * @param hasFocus          'True' if focus is received, 'false' if is lost
 691      */
 692     private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {
 693         if (hasFocus) {
 694             showViewPasswordButton();
 695         } else {
 696             hidePassword();
 697             hidePasswordButton();
 698         }
 699     }
 700
 701
 702     private void showViewPasswordButton() {
 703         //int drawable = android.R.drawable.ic_menu_view;
 704         int drawable = R.drawable.ic_view;
 705         if (isPasswordVisible()) {
 706             //drawable = android.R.drawable.ic_secure;
 707             drawable = R.drawable.ic_hide;
 708         }
 709         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 710     }
 711
 712     private boolean isPasswordVisible() {
 713         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 714     }
 715
 716     private void hidePasswordButton() {
 717         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 718     }
 719
 720     private void showPassword() {
 721         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 722         showViewPasswordButton();
 723     }
 724
 725     private void hidePassword() {
 726         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
 727         showViewPasswordButton();
 728     }
 729
 730
 731     /**
 732      * Cancels the authenticator activity
 733      *
 734      * IMPORTANT ENTRY POINT 3: Never underestimate the importance of cancellation
 735      *
 736      * This method is bound in the layout/acceoun_setup.xml resource file.
 737      *
 738      * @param view      Cancel button
 739      */
 740     public void onCancelClick(View view) {
 741         setResult(RESULT_CANCELED);     // TODO review how is this related to AccountAuthenticator (debugging)
 742         finish();
 743     }
 744
 745
 746
 747     /**
 748      * Checks the credentials of the user in the root of the ownCloud server
 749      * before creating a new local account.
 750      *
 751      * For basic authorization, a check of existence of the root folder is
 752      * performed.
 753      *
 754      * For OAuth, starts the flow to get an access token; the credentials test
 755      * is postponed until it is available.
 756      *
 757      * IMPORTANT ENTRY POINT 4
 758      *
 759      * @param view      OK button
 760      */
 761     public void onOkClick(View view) {
 762         // this check should be unnecessary
 763         if (mDiscoveredVersion == null || !mDiscoveredVersion.isVersionValid()  || mHostBaseUrl == null || mHostBaseUrl.length() == 0) {
 764             mServerStatusIcon = R.drawable.common_error;
 765             mServerStatusText = R.string.auth_wtf_reenter_URL;
 766             showServerStatus();
 767             mOkButton.setEnabled(false);
 768             Log_OC.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");
 769             return;
 770         }
 771
 772         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 773             startOauthorization();
 774         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 775             startSamlBasedFederatedSingleSignOnAuthorization();
 776         } else {
 777             checkBasicAuthorization();
 778         }
 779     }
 780
 781
 782     /**
 783      * Tests the credentials entered by the user performing a check of existence on
 784      * the root folder of the ownCloud server.
 785      */
 786     private void checkBasicAuthorization() {
 787         /// get the path to the root folder through WebDAV from the version server
 788         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 789
 790         /// get basic credentials entered by user
 791         String username = mUsernameInput.getText().toString();
 792         String password = mPasswordInput.getText().toString();
 793
 794         /// be gentle with the user
 795         showDialog(DIALOG_LOGIN_PROGRESS);
 796
 797         /// test credentials accessing the root folder
 798         String remotePath ="";
 799         boolean successIfAbsent = false;
 800         boolean followRedirects = true;
 801         startExistenceCheckRemoteOperation(remotePath, this, successIfAbsent, webdav_path, username, password, followRedirects);
 802
 803     }
 804
 805     private void startExistenceCheckRemoteOperation(String remotePath, Context context, boolean successIfAbsent, String webdav_path,
 806             String username, String password, boolean followRedirects) {
 807
 808         Intent existenceCheckIntent = new Intent();
 809         existenceCheckIntent.setAction(OperationsService.ACTION_EXISTENCE_CHECK);
 810         existenceCheckIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mHostBaseUrl);
 811         existenceCheckIntent.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
 812         existenceCheckIntent.putExtra(OperationsService.EXTRA_SUCCESS_IF_ABSENT, successIfAbsent);
 813         existenceCheckIntent.putExtra(OperationsService.EXTRA_WEBDAV_PATH, webdav_path);
 814         existenceCheckIntent.putExtra(OperationsService.EXTRA_USERNAME, username);
 815         existenceCheckIntent.putExtra(OperationsService.EXTRA_PASSWORD, password);
 816         existenceCheckIntent.putExtra(OperationsService.EXTRA_AUTH_TOKEN, mAuthToken);
 817         existenceCheckIntent.putExtra(OperationsService.EXTRA_FOLLOW_REDIRECTS, followRedirects);
 818
 819         if (mOperationsServiceBinder != null) {
 820             Log.wtf(TAG, "starting existenceCheckRemoteOperation..." );
 821             mExistenceCheckOpId = mOperationsServiceBinder.newOperation(existenceCheckIntent);
 822         }
 823     }
 824
 825     /**
 826      * Starts the OAuth 'grant type' flow to get an access token, with
 827      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 828      */
 829     private void startOauthorization() {
 830         // be gentle with the user
 831         mAuthStatusIcon = R.drawable.progress_small;
 832         mAuthStatusText = R.string.oauth_login_connection;
 833         showAuthStatus();
 834
 835
 836         // GET AUTHORIZATION request
 837         //Uri uri = Uri.parse(getString(R.string.oauth2_url_endpoint_auth));
 838         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 839         Uri.Builder uriBuilder = uri.buildUpon();
 840         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type));
 841         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri));
 842         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id));
 843         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope));
 844         //uriBuilder.appendQueryParameter(OAuth2Constants.KEY_STATE, whateverwewant);
 845         uri = uriBuilder.build();
 846         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 847         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 848         startActivity(i);
 849     }
 850
 851
 852     /**
 853      * Starts the Web Single Sign On flow to get access to the root folder
 854      * in the server.
 855      */
 856     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 857         // be gentle with the user
 858         mAuthStatusIcon = R.drawable.progress_small;
 859         mAuthStatusText = R.string.auth_connecting_auth_server;
 860         showAuthStatus();
 861         showDialog(DIALOG_LOGIN_PROGRESS);
 862
 863         /// get the path to the root folder through WebDAV from the version server
 864         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 865
 866         /// test credentials accessing the root folder
 867         String remotePath ="";
 868         boolean successIfAbsent = false;
 869         boolean followRedirections = false;
 870         startExistenceCheckRemoteOperation(remotePath, this, successIfAbsent, webdav_path, "", "", followRedirections);
 871
 872     }
 873
 874     /**
 875      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 876      *
 877      * Dispatches the operation flow to the right method.
 878      */
 879     @Override
 880     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 881
 882         if (operation instanceof GetRemoteStatusOperation) {
 883             onOcServerCheckFinish((GetRemoteStatusOperation) operation, result);
 884
 885         } else if (operation instanceof OAuth2GetAccessToken) {
 886             onGetOAuthAccessTokenFinish((OAuth2GetAccessToken)operation, result);
 887
 888         } else if (operation instanceof ExistenceCheckRemoteOperation)  {
 889             Log.wtf(TAG, "received detection response through callback" );
 890             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 891                 onSamlBasedFederatedSingleSignOnAuthorizationStart(result);
 892
 893             } else {
 894                 onAuthorizationCheckFinish(result);
 895             }
 896         } else if (operation instanceof GetRemoteUserNameOperation) {
 897             onGetUserNameFinish((GetRemoteUserNameOperation) operation, result);
 898
 899         } else if (operation instanceof DetectAuthenticationMethodOperation) {
 900             Log.wtf(TAG, "received detection response through callback" );
 901             onDetectAuthenticationFinish(result);
 902         }
 903
 904     }
 905
 906     private void onDetectAuthenticationFinish(RemoteOperationResult result) {
 907         // Read authentication method
 908         mDetectAuthOpId = -1;
 909         if (result.getData().size() > 0) {
 910             AuthenticationMethod authMethod = (AuthenticationMethod) result.getData().get(0);
 911             String basic = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 912             String oAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
 913             String saml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 914
 915             if ( ( mAuthTokenType.equals(basic) && !authMethod.equals(AuthenticationMethod.BASIC_HTTP_AUTH) ) ||
 916                     ( mAuthTokenType.equals(oAuth) && !authMethod.equals(AuthenticationMethod.BEARER_TOKEN) ) ||
 917                     ( mAuthTokenType.equals(saml)  && !authMethod.equals(AuthenticationMethod.SAML_WEB_SSO) ) ) {
 918
 919                 mOkButton.setEnabled(false);
 920                 mServerIsValid = false;
 921                 //show an alert message ( Server Status )
 922                 updateServerStatusIconNoRegularAuth();
 923                 showServerStatus();
 924
 925             } else {
 926                 mOkButton.setEnabled(true);
 927
 928                 // Show server status
 929                 showServerStatus();
 930             }
 931
 932         }
 933     }
 934
 935
 936
 937     private void onGetUserNameFinish(GetRemoteUserNameOperation operation, RemoteOperationResult result) {
 938
 939         if (result.isSuccess()) {
 940             boolean success = false;
 941             String username = operation.getUserName();
 942
 943             if ( mAction == ACTION_CREATE) {
 944                 mUsernameInput.setText(username);
 945                 success = createAccount();
 946             } else {
 947
 948                 if (!mUsernameInput.getText().toString().equals(username)) {
 949                     // fail - not a new account, but an existing one; disallow
 950                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
 951                     updateAuthStatusIconAndText(result);
 952                     showAuthStatus();
 953                     Log_OC.d(TAG, result.getLogMessage());
 954                 } else {
 955                     updateToken();
 956                     success = true;
 957                 }
 958             }
 959
 960             if (success)
 961                 finish();
 962         } else {
 963             updateStatusIconFailUserName();
 964             showAuthStatus();
 965             Log_OC.e(TAG, "Access to user name failed: " + result.getLogMessage());
 966         }
 967
 968     }
 969
 970     private void onSamlBasedFederatedSingleSignOnAuthorizationStart(RemoteOperationResult result) {
 971         try {
 972             dismissDialog(DIALOG_LOGIN_PROGRESS);
 973         } catch (IllegalArgumentException e) {
 974             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
 975         }
 976
 977         //if (result.isTemporalRedirection() && result.isIdPRedirection()) {
 978         if (result.isIdPRedirection()) {
 979             String url = result.getRedirectedLocation();
 980             String targetUrl = mHostBaseUrl + AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 981
 982             // Show dialog
 983             mSamlDialog = SamlWebViewDialog.newInstance(url, targetUrl);
 984             mSamlDialog.show(getSupportFragmentManager(), TAG_SAML_DIALOG);
 985
 986             mAuthStatusIcon = 0;
 987             mAuthStatusText = 0;
 988
 989         } else {
 990             mAuthStatusIcon = R.drawable.common_error;
 991             mAuthStatusText = R.string.auth_unsupported_auth_method;
 992
 993         }
 994         showAuthStatus();
 995     }
 996
 997
 998     /**
 999      * Processes the result of the server check performed when the user finishes the enter of the
1000      * server URL.
1001      *
1002      * @param operation     Server check performed.
1003      * @param result        Result of the check.
1004      */
1005     private void onOcServerCheckFinish(GetRemoteStatusOperation operation, RemoteOperationResult result) {
1006         if (operation.equals(mOcServerChkOperation)) {
1007             /// save result state
1008             mServerIsChecked = true;
1009             mServerIsValid = result.isSuccess();
1010             mIsSslConn = (result.getCode() == ResultCode.OK_SSL);
1011             mOcServerChkOperation = null;
1012
1013
1014             /// retrieve discovered version and normalize server URL
1015             mDiscoveredVersion = operation.getDiscoveredVersion();
1016             mHostBaseUrl = normalizeUrl(mHostUrlInput.getText().toString());
1017
1018             // Refresh server status, but don't show it
1019             updateServerStatusIconAndText(result);
1020
1021             /// update status icon and text
1022             if (mServerIsValid) {
1023                 hideRefreshButton();
1024                 // Try to create an account with user and pass "", to know if it is a regular server
1025                 // Update connect button in the answer of this method
1026                 detectAuthorizationMethod();
1027             } else {
1028                 showRefreshButton();
1029                 // Show server status
1030                 showServerStatus();
1031             }
1032
1033             /// very special case (TODO: move to a common place for all the remote operations)
1034             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1035                 showUntrustedCertDialog(result);
1036             }
1037
1038
1039         }   // else nothing ; only the last check operation is considered;
1040         // multiple can be triggered if the user amends a URL before a previous check can be triggered
1041     }
1042
1043
1044     /**
1045      *  Try to access with  user/pass ""/"", to know if it is a regular server
1046      */
1047     private void detectAuthorizationMethod() {
1048
1049         Log_OC.d(TAG, "Trying empty authorization to detect authentication method");
1050
1051         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
1052
1053         /// test credentials
1054         //Intent detectAuthIntent = new Intent(this, OperationsService.class);
1055         Intent detectAuthIntent = new Intent();
1056         detectAuthIntent.setAction(OperationsService.ACTION_DETECT_AUTHENTICATION_METHOD);
1057         detectAuthIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mHostBaseUrl);
1058         detectAuthIntent.putExtra(OperationsService.EXTRA_WEBDAV_PATH, webdav_path);
1059
1060         //if (mOperationsBinder != null) {  // let's let it crash to detect if is really possible
1061         mServerAuthMethod = AuthenticationMethod.UNKNOWN;
1062         if (mOperationsServiceBinder != null) {
1063             //Log.wtf(TAG, "starting detection..." );
1064             mDetectAuthOpId = mOperationsServiceBinder.newOperation(detectAuthIntent);
1065         }
1066         //}
1067     }
1068
1069
1070     private String normalizeUrl(String url) {
1071         if (url != null && url.length() > 0) {
1072             url = url.trim();
1073             if (!url.toLowerCase().startsWith("http://") &&
1074                     !url.toLowerCase().startsWith("https://")) {
1075                 if (mIsSslConn) {
1076                     url = "https://" + url;
1077                 } else {
1078                     url = "http://" + url;
1079                 }
1080             }
1081
1082             url = trimUrlWebdav(url);
1083
1084             if (url.endsWith("/")) {
1085                 url = url.substring(0, url.length() - 1);
1086             }
1087
1088         }
1089         return (url != null ? url : "");
1090     }
1091
1092
1093     private String trimUrlWebdav(String url){
1094         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){
1095             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length());
1096         } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){
1097             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length());
1098         } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){
1099             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length());
1100         }
1101         return (url != null ? url : "");
1102     }
1103
1104
1105     /**
1106      * Chooses the right icon and text to show to the user for the received operation result.
1107      *
1108      * @param result    Result of a remote operation performed in this activity
1109      */
1110     private void updateServerStatusIconAndText(RemoteOperationResult result) {
1111         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1112
1113         switch (result.getCode()) {
1114         case OK_SSL:
1115             mServerStatusIcon = android.R.drawable.ic_secure;
1116             mServerStatusText = R.string.auth_secure_connection;
1117             break;
1118
1119         case OK_NO_SSL:
1120         case OK:
1121             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1122                 mServerStatusText = R.string.auth_connection_established;
1123                 mServerStatusIcon = R.drawable.ic_ok;
1124             } else {
1125                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1126                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
1127             }
1128             break;
1129
1130         case NO_NETWORK_CONNECTION:
1131             mServerStatusIcon = R.drawable.no_network;
1132             mServerStatusText = R.string.auth_no_net_conn_title;
1133             break;
1134
1135         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1136             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1137             break;
1138         case BAD_OC_VERSION:
1139             mServerStatusText = R.string.auth_bad_oc_version_title;
1140             break;
1141         case WRONG_CONNECTION:
1142             mServerStatusText = R.string.auth_wrong_connection_title;
1143             break;
1144         case TIMEOUT:
1145             mServerStatusText = R.string.auth_timeout_title;
1146             break;
1147         case INCORRECT_ADDRESS:
1148             mServerStatusText = R.string.auth_incorrect_address_title;
1149             break;
1150         case SSL_ERROR:
1151             mServerStatusText = R.string.auth_ssl_general_error_title;
1152             break;
1153         case UNAUTHORIZED:
1154             mServerStatusText = R.string.auth_unauthorized;
1155             break;
1156         case HOST_NOT_AVAILABLE:
1157             mServerStatusText = R.string.auth_unknown_host_title;
1158             break;
1159         case INSTANCE_NOT_CONFIGURED:
1160             mServerStatusText = R.string.auth_not_configured_title;
1161             break;
1162         case FILE_NOT_FOUND:
1163             mServerStatusText = R.string.auth_incorrect_path_title;
1164             break;
1165         case OAUTH2_ERROR:
1166             mServerStatusText = R.string.auth_oauth_error;
1167             break;
1168         case OAUTH2_ERROR_ACCESS_DENIED:
1169             mServerStatusText = R.string.auth_oauth_error_access_denied;
1170             break;
1171         case UNHANDLED_HTTP_CODE:
1172         case UNKNOWN_ERROR:
1173             mServerStatusText = R.string.auth_unknown_error_title;
1174             break;
1175         default:
1176             mServerStatusText = 0;
1177             mServerStatusIcon = 0;
1178         }
1179     }
1180
1181
1182     /**
1183      * Chooses the right icon and text to show to the user for the received operation result.
1184      *
1185      * @param result    Result of a remote operation performed in this activity
1186      */
1187     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1188         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1189
1190         switch (result.getCode()) {
1191         case OK_SSL:
1192             mAuthStatusIcon = android.R.drawable.ic_secure;
1193             mAuthStatusText = R.string.auth_secure_connection;
1194             break;
1195
1196         case OK_NO_SSL:
1197         case OK:
1198             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1199                 mAuthStatusText = R.string.auth_connection_established;
1200                 mAuthStatusIcon = R.drawable.ic_ok;
1201             } else {
1202                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1203                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
1204             }
1205             break;
1206
1207         case NO_NETWORK_CONNECTION:
1208             mAuthStatusIcon = R.drawable.no_network;
1209             mAuthStatusText = R.string.auth_no_net_conn_title;
1210             break;
1211
1212         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1213             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1214             break;
1215         case BAD_OC_VERSION:
1216             mAuthStatusText = R.string.auth_bad_oc_version_title;
1217             break;
1218         case WRONG_CONNECTION:
1219             mAuthStatusText = R.string.auth_wrong_connection_title;
1220             break;
1221         case TIMEOUT:
1222             mAuthStatusText = R.string.auth_timeout_title;
1223             break;
1224         case INCORRECT_ADDRESS:
1225             mAuthStatusText = R.string.auth_incorrect_address_title;
1226             break;
1227         case SSL_ERROR:
1228             mAuthStatusText = R.string.auth_ssl_general_error_title;
1229             break;
1230         case UNAUTHORIZED:
1231             mAuthStatusText = R.string.auth_unauthorized;
1232             break;
1233         case HOST_NOT_AVAILABLE:
1234             mAuthStatusText = R.string.auth_unknown_host_title;
1235             break;
1236         case INSTANCE_NOT_CONFIGURED:
1237             mAuthStatusText = R.string.auth_not_configured_title;
1238             break;
1239         case FILE_NOT_FOUND:
1240             mAuthStatusText = R.string.auth_incorrect_path_title;
1241             break;
1242         case OAUTH2_ERROR:
1243             mAuthStatusText = R.string.auth_oauth_error;
1244             break;
1245         case OAUTH2_ERROR_ACCESS_DENIED:
1246             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1247             break;
1248         case ACCOUNT_NOT_NEW:
1249             mAuthStatusText = R.string.auth_account_not_new;
1250             break;
1251         case ACCOUNT_NOT_THE_SAME:
1252             mAuthStatusText = R.string.auth_account_not_the_same;
1253             break;
1254         case UNHANDLED_HTTP_CODE:
1255         case UNKNOWN_ERROR:
1256             mAuthStatusText = R.string.auth_unknown_error_title;
1257             break;
1258         default:
1259             mAuthStatusText = 0;
1260             mAuthStatusIcon = 0;
1261         }
1262     }
1263
1264
1265     private void updateStatusIconFailUserName(){
1266         mAuthStatusIcon = R.drawable.common_error;
1267         mAuthStatusText = R.string.auth_fail_get_user_name;
1268     }
1269
1270     private void updateServerStatusIconNoRegularAuth(){
1271         mServerStatusIcon = R.drawable.common_error;
1272         mServerStatusText = R.string.auth_can_not_auth_against_server;
1273     }
1274
1275     /**
1276      * Processes the result of the request for and access token send
1277      * to an OAuth authorization server.
1278      *
1279      * @param operation     Operation performed requesting the access token.
1280      * @param result        Result of the operation.
1281      */
1282     private void onGetOAuthAccessTokenFinish(OAuth2GetAccessToken operation, RemoteOperationResult result) {
1283         try {
1284             dismissDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
1285         } catch (IllegalArgumentException e) {
1286             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
1287         }
1288
1289         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
1290         if (result.isSuccess() && webdav_path != null) {
1291             /// be gentle with the user
1292             showDialog(DIALOG_LOGIN_PROGRESS);
1293
1294             /// time to test the retrieved access token on the ownCloud server
1295             mAuthToken = ((OAuth2GetAccessToken)operation).getResultTokenMap().get(OAuth2Constants.KEY_ACCESS_TOKEN);
1296             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1297
1298             String remotePath ="";
1299             boolean successIfAbsent = false;
1300             boolean followRedirects = true;
1301             startExistenceCheckRemoteOperation(remotePath, this, successIfAbsent, webdav_path, "", "", followRedirects);
1302
1303         } else {
1304             updateAuthStatusIconAndText(result);
1305             showAuthStatus();
1306             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1307         }
1308     }
1309
1310
1311     /**
1312      * Processes the result of the access check performed to try the user credentials.
1313      *
1314      * Creates a new account through the AccountManager.
1315      *
1316      * @param operation     Access check performed.
1317      * @param result        Result of the operation.
1318      */
1319     private void onAuthorizationCheckFinish(RemoteOperationResult result) {
1320         try {
1321             dismissDialog(DIALOG_LOGIN_PROGRESS);
1322         } catch (IllegalArgumentException e) {
1323             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
1324         }
1325
1326         if (result.isSuccess()) {
1327             Log_OC.d(TAG, "Successful access - time to save the account");
1328
1329             boolean success = false;
1330             if (mAction == ACTION_CREATE) {
1331                 success = createAccount();
1332
1333             } else {
1334                 updateToken();
1335                 success = true;
1336             }
1337
1338             if (success) {
1339                 finish();
1340             }
1341
1342         } else if (result.isServerFail() || result.isException()) {
1343             /// if server fail or exception in authorization, the UI is updated as when a server check failed
1344             mServerIsChecked = true;
1345             mServerIsValid = false;
1346             mIsSslConn = false;
1347             mOcServerChkOperation = null;
1348             mDiscoveredVersion = null;
1349             mHostBaseUrl = normalizeUrl(mHostUrlInput.getText().toString());
1350
1351             // update status icon and text
1352             updateServerStatusIconAndText(result);
1353             showServerStatus();
1354             mAuthStatusIcon = 0;
1355             mAuthStatusText = 0;
1356             showAuthStatus();
1357
1358             // update input controls state
1359             showRefreshButton();
1360             mOkButton.setEnabled(false);
1361
1362             // very special case (TODO: move to a common place for all the remote operations) (dangerous here?)
1363             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1364                 showUntrustedCertDialog(result);
1365             }
1366
1367         } else {    // authorization fail due to client side - probably wrong credentials
1368             updateAuthStatusIconAndText(result);
1369             showAuthStatus();
1370             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1371         }
1372     }
1373
1374
1375
1376
1377     /**
1378      * Sets the proper response to get that the Account Authenticator that started this activity saves
1379      * a new authorization token for mAccount.
1380      */
1381     private void updateToken() {
1382         Bundle response = new Bundle();
1383         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1384         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1385
1386         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1387             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1388             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1389             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1390
1391         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1392
1393             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1394             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1395             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1396
1397         } else {
1398             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1399             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1400         }
1401         setAccountAuthenticatorResult(response);
1402
1403     }
1404
1405
1406     /**
1407      * Creates a new account through the Account Authenticator that started this activity.
1408      *
1409      * This makes the account permanent.
1410      *
1411      * TODO Decide how to name the OAuth accounts
1412      */
1413     private boolean createAccount() {
1414         /// create and save new ownCloud account
1415         boolean isOAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1416         boolean isSaml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1417
1418         Uri uri = Uri.parse(mHostBaseUrl);
1419         String username = mUsernameInput.getText().toString().trim();
1420         if (isOAuth) {
1421             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1422         }
1423         String accountName = username + "@" + uri.getHost();
1424         if (uri.getPort() >= 0) {
1425             accountName += ":" + uri.getPort();
1426         }
1427         mAccount = new Account(accountName, MainApp.getAccountType());
1428         if (AccountUtils.exists(mAccount, getApplicationContext())) {
1429             // fail - not a new account, but an existing one; disallow
1430             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1431             updateAuthStatusIconAndText(result);
1432             showAuthStatus();
1433             Log_OC.d(TAG, result.getLogMessage());
1434             return false;
1435
1436         } else {
1437
1438             if (isOAuth || isSaml) {
1439                 mAccountMgr.addAccountExplicitly(mAccount, "", null);  // with external authorizations, the password is never input in the app
1440             } else {
1441                 mAccountMgr.addAccountExplicitly(mAccount, mPasswordInput.getText().toString(), null);
1442             }
1443
1444             /// add the new account as default in preferences, if there is none already
1445             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1446             if (defaultAccount == null) {
1447                 SharedPreferences.Editor editor = PreferenceManager
1448                         .getDefaultSharedPreferences(this).edit();
1449                 editor.putString("select_oc_account", accountName);
1450                 editor.commit();
1451             }
1452
1453             /// prepare result to return to the Authenticator
1454             //  TODO check again what the Authenticator makes with it; probably has the same effect as addAccountExplicitly, but it's not well done
1455             final Intent intent = new Intent();
1456             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1457             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1458             /*if (!isOAuth)
1459                 intent.putExtra(AccountManager.KEY_AUTHTOKEN,   MainApp.getAccountType()); */
1460             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1461             if (isOAuth || isSaml) {
1462                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1463             }
1464             /// add user data to the new account; TODO probably can be done in the last parameter addAccountExplicitly, or in KEY_USERDATA
1465             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_VERSION,         mDiscoveredVersion.getVersion());
1466             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_BASE_URL,   mHostBaseUrl);
1467
1468             if (isSaml) {
1469                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1470             } else if (isOAuth) {
1471                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1472             }
1473
1474             setAccountAuthenticatorResult(intent.getExtras());
1475             setResult(RESULT_OK, intent);
1476
1477             return true;
1478         }
1479     }
1480
1481
1482     /**
1483      * {@inheritDoc}
1484      *
1485      * Necessary to update the contents of the SSL Dialog
1486      *
1487      * TODO move to some common place for all possible untrusted SSL failures
1488      */
1489     @Override
1490     protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
1491         switch (id) {
1492         case DIALOG_LOGIN_PROGRESS:
1493         case DIALOG_CERT_NOT_SAVED:
1494         case DIALOG_OAUTH2_LOGIN_PROGRESS:
1495             break;
1496         default:
1497             Log_OC.e(TAG, "Incorrect dialog called with id = " + id);
1498         }
1499     }
1500
1501
1502     /**
1503      * {@inheritDoc}
1504      */
1505     @Override
1506     protected Dialog onCreateDialog(int id) {
1507         Dialog dialog = null;
1508         switch (id) {
1509         case DIALOG_LOGIN_PROGRESS: {
1510             /// simple progress dialog
1511             ProgressDialog working_dialog = new ProgressDialog(this);
1512             working_dialog.setMessage(getResources().getString(R.string.auth_trying_to_login));
1513             working_dialog.setIndeterminate(true);
1514             working_dialog.setCancelable(true);
1515             working_dialog
1516             .setOnCancelListener(new DialogInterface.OnCancelListener() {
1517                 @Override
1518                 public void onCancel(DialogInterface dialog) {
1519                     /// TODO study if this is enough
1520                     Log_OC.i(TAG, "Login canceled");
1521                     if (mOperationThread != null) {
1522                         mOperationThread.interrupt();
1523                         finish();
1524                     }
1525                 }
1526             });
1527             dialog = working_dialog;
1528             break;
1529         }
1530         case DIALOG_OAUTH2_LOGIN_PROGRESS: {
1531             ProgressDialog working_dialog = new ProgressDialog(this);
1532             working_dialog.setMessage(String.format("Getting authorization"));
1533             working_dialog.setIndeterminate(true);
1534             working_dialog.setCancelable(true);
1535             working_dialog
1536             .setOnCancelListener(new DialogInterface.OnCancelListener() {
1537                 @Override
1538                 public void onCancel(DialogInterface dialog) {
1539                     Log_OC.i(TAG, "Login canceled");
1540                     finish();
1541                 }
1542             });
1543             dialog = working_dialog;
1544             break;
1545         }
1546         case DIALOG_CERT_NOT_SAVED: {
1547             AlertDialog.Builder builder = new AlertDialog.Builder(this);
1548             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
1549             builder.setCancelable(false);
1550             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
1551                 @Override
1552                 public void onClick(DialogInterface dialog, int which) {
1553                     dialog.dismiss();
1554                 };
1555             });
1556             dialog = builder.create();
1557             break;
1558         }
1559         default:
1560             Log_OC.e(TAG, "Incorrect dialog called with id = " + id);
1561         }
1562         return dialog;
1563     }
1564
1565
1566     /**
1567      * Starts and activity to open the 'new account' page in the ownCloud web site
1568      *
1569      * @param view      'Account register' button
1570      */
1571     public void onRegisterClick(View view) {
1572         Intent register = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url)));
1573         setResult(RESULT_CANCELED);
1574         startActivity(register);
1575     }
1576
1577
1578     /**
1579      * Updates the content and visibility state of the icon and text associated
1580      * to the last check on the ownCloud server.
1581      */
1582     private void showServerStatus() {
1583         TextView tv = (TextView) findViewById(R.id.server_status_text);
1584
1585         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1586             tv.setVisibility(View.INVISIBLE);
1587
1588         } else {
1589             tv.setText(mServerStatusText);
1590             tv.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1591             tv.setVisibility(View.VISIBLE);
1592         }
1593
1594     }
1595
1596
1597     /**
1598      * Updates the content and visibility state of the icon and text associated
1599      * to the interactions with the OAuth authorization server.
1600      */
1601     private void showAuthStatus() {
1602         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1603             mAuthStatusLayout.setVisibility(View.INVISIBLE);
1604
1605         } else {
1606             mAuthStatusLayout.setText(mAuthStatusText);
1607             mAuthStatusLayout.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1608             mAuthStatusLayout.setVisibility(View.VISIBLE);
1609         }
1610     }
1611
1612
1613     private void showRefreshButton() {
1614         mRefreshButton.setVisibility(View.VISIBLE);
1615     }
1616
1617     private void hideRefreshButton() {
1618         mRefreshButton.setVisibility(View.GONE);
1619     }
1620
1621     /**
1622      * Called when the refresh button in the input field for ownCloud host is clicked.
1623      *
1624      * Performs a new check on the URL in the input field.
1625      *
1626      * @param view      Refresh 'button'
1627      */
1628     public void onRefreshClick(View view) {
1629         checkOcServer();
1630     }
1631
1632
1633     /**
1634      * Called when the eye icon in the password field is clicked.
1635      *
1636      * Toggles the visibility of the password in the field.
1637      */
1638     public void onViewPasswordClick() {
1639         int selectionStart = mPasswordInput.getSelectionStart();
1640         int selectionEnd = mPasswordInput.getSelectionEnd();
1641         if (isPasswordVisible()) {
1642             hidePassword();
1643         } else {
1644             showPassword();
1645         }
1646         mPasswordInput.setSelection(selectionStart, selectionEnd);
1647     }
1648
1649
1650     /**
1651      * Called when the checkbox for OAuth authorization is clicked.
1652      *
1653      * Hides or shows the input fields for user & password.
1654      *
1655      * @param view      'View password' 'button'
1656      */
1657     public void onCheckClick(View view) {
1658         CheckBox oAuth2Check = (CheckBox)view;
1659         if (oAuth2Check.isChecked()) {
1660             mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1661         } else {
1662             mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1663         }
1664         adaptViewAccordingToAuthenticationMethod();
1665     }
1666
1667
1668     /**
1669      * Changes the visibility of input elements depending on
1670      * the current authorization method.
1671      */
1672     private void adaptViewAccordingToAuthenticationMethod () {
1673         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1674             // OAuth 2 authorization
1675             mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
1676             mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
1677             mUsernameInput.setVisibility(View.GONE);
1678             mPasswordInput.setVisibility(View.GONE);
1679
1680         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1681             // SAML-based web Single Sign On
1682             mOAuthAuthEndpointText.setVisibility(View.GONE);
1683             mOAuthTokenEndpointText.setVisibility(View.GONE);
1684             mUsernameInput.setVisibility(View.GONE);
1685             mPasswordInput.setVisibility(View.GONE);
1686         } else {
1687             // basic HTTP authorization
1688             mOAuthAuthEndpointText.setVisibility(View.GONE);
1689             mOAuthTokenEndpointText.setVisibility(View.GONE);
1690             mUsernameInput.setVisibility(View.VISIBLE);
1691             mPasswordInput.setVisibility(View.VISIBLE);
1692         }
1693     }
1694
1695     /**
1696      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1697      *
1698      *  Used to trigger the authentication check when the user presses 'enter' after writing the password,
1699      *  or to throw the server test when the only field on screen is the URL input field.
1700      */
1701     @Override
1702     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1703         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null && inputField.equals(mPasswordInput)) {
1704             if (mOkButton.isEnabled()) {
1705                 mOkButton.performClick();
1706             }
1707
1708         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null && inputField.equals(mHostUrlInput)) {
1709             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1710                 checkOcServer();
1711             }
1712         }
1713         return false;   // always return false to grant that the software keyboard is hidden anyway
1714     }
1715
1716
1717     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1718
1719         private int fuzz = 75;
1720
1721         /**
1722          * {@inheritDoc}
1723          */
1724         @Override
1725         public boolean onTouch(View view, MotionEvent event) {
1726             Drawable rightDrawable = null;
1727             if (view instanceof TextView) {
1728                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1729                 if (drawables.length > 2) {
1730                     rightDrawable = drawables[2];
1731                 }
1732             }
1733             if (rightDrawable != null) {
1734                 final int x = (int) event.getX();
1735                 final int y = (int) event.getY();
1736                 final Rect bounds = rightDrawable.getBounds();
1737                 if (x >= (view.getRight() - bounds.width() - fuzz) && x <= (view.getRight() - view.getPaddingRight() + fuzz)
1738                         && y >= (view.getPaddingTop() - fuzz) && y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1739
1740                     return onDrawableTouch(event);
1741                 }
1742             }
1743             return false;
1744         }
1745
1746         public abstract boolean onDrawableTouch(final MotionEvent event);
1747     }
1748
1749
1750     public void onSamlDialogSuccess(String sessionCookie) {
1751         mAuthToken = sessionCookie;
1752
1753         if (sessionCookie != null && sessionCookie.length() > 0) {
1754             mAuthToken = sessionCookie;
1755
1756             GetRemoteUserNameOperation getUserOperation = new GetRemoteUserNameOperation();
1757             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl), getApplicationContext(), true);
1758             client.setSsoSessionCookie(mAuthToken);
1759             getUserOperation.execute(client, this, mHandler);
1760         }
1761
1762
1763     }
1764
1765
1766     @Override
1767     public void onSsoFinished(String sessionCookies) {
1768         //Toast.makeText(this, "got cookies: " + sessionCookie, Toast.LENGTH_LONG).show();
1769
1770         if (sessionCookies != null && sessionCookies.length() > 0) {
1771             Log_OC.d(TAG, "Successful SSO - time to save the account");
1772             onSamlDialogSuccess(sessionCookies);
1773             Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1774             if (fd != null && fd instanceof SherlockDialogFragment) {
1775                 Dialog d = ((SherlockDialogFragment)fd).getDialog();
1776                 if (d != null && d.isShowing()) {
1777                     d.dismiss();
1778                 }
1779             }
1780
1781         } else {
1782             // TODO - show fail
1783             Log_OC.d(TAG, "SSO failed");
1784         }
1785
1786     }
1787
1788     /** Show auth_message
1789      *
1790      * @param message
1791      */
1792     private void showAuthMessage(String message) {
1793         mAuthMessage.setVisibility(View.VISIBLE);
1794         mAuthMessage.setText(message);
1795     }
1796
1797     private void hideAuthMessage() {
1798         mAuthMessage.setVisibility(View.GONE);
1799     }
1800
1801     @Override
1802     public boolean onTouchEvent(MotionEvent event) {
1803         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
1804                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1805             checkOcServer();
1806         }
1807         return super.onTouchEvent(event);
1808     }
1809
1810
1811     /**
1812      * Show untrusted cert dialog
1813      */
1814     public void showUntrustedCertDialog(X509Certificate x509Certificate, SslError error, SslErrorHandler handler) {
1815         // Show a dialog with the certificate info
1816         SslUntrustedCertDialog dialog = null;
1817         if (x509Certificate == null) {
1818             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
1819         } else {
1820             dialog = SslUntrustedCertDialog.newInstanceForFullSslError(x509Certificate, error, handler);
1821         }
1822         FragmentManager fm = getSupportFragmentManager();
1823         FragmentTransaction ft = fm.beginTransaction();
1824         ft.addToBackStack(null);
1825         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1826     }
1827
1828     /**
1829      * Show untrusted cert dialog
1830      */
1831     public void showUntrustedCertDialog(RemoteOperationResult result) {
1832         // Show a dialog with the certificate info
1833         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1834         FragmentManager fm = getSupportFragmentManager();
1835         FragmentTransaction ft = fm.beginTransaction();
1836         ft.addToBackStack(null);
1837         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1838
1839     }
1840
1841     /**
1842      * Dismiss untrusted cert dialog
1843      */
1844     public void dismissUntrustedCertDialog(){
1845         /*Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_UNTRUSTED_CERT);
1846         if (frag != null) {
1847             SslErrorViewAdapter dialog = (SslErrorViewAdapter) frag;
1848             dialog.dismiss();
1849         }
1850          */
1851     }
1852
1853     /**
1854      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1855      */
1856     public void onSavedCertificate() {
1857         Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1858         if (fd == null) {
1859             // if SAML dialog is not shown, the SslDialog was shown due to an SSL error in the server check
1860             checkOcServer();
1861         }
1862     }
1863
1864     /**
1865      * Called from SslValidatorDialog when a new server certificate could not be saved
1866      * when the user requested it.
1867      */
1868     @Override
1869     public void onFailedSavingCertificate() {
1870         showDialog(DIALOG_CERT_NOT_SAVED);
1871         cancelWebView();
1872     }
1873
1874     @Override
1875     public void onCancelCertificate() {
1876         cancelWebView();
1877     }
1878
1879
1880     public void cancelWebView() {
1881         Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1882         if (fd != null && fd instanceof SherlockDialogFragment) {
1883             Dialog d = ((SherlockDialogFragment)fd).getDialog();
1884             if (d != null && d.isShowing()) {
1885                 d.dismiss();
1886             }
1887         }
1888
1889     }
1890
1891
1892     private void doOnResumeAndBound() {
1893         //Log.wtf(TAG, "registering to listen for operation callbacks" );
1894         mOperationsServiceBinder.addOperationListener(AuthenticatorActivity.this, mHandler);
1895
1896         if (mDetectAuthOpId != -1) {
1897             RemoteOperationResult result =
1898                     mOperationsServiceBinder.getOperationResultIfFinished(mDetectAuthOpId);
1899             if (result != null) {
1900                 //Log.wtf(TAG, "found result of operation finished while rotating");
1901                 onDetectAuthenticationFinish(result);
1902             }
1903         }
1904
1905         if (mExistenceCheckOpId != -1) {
1906             RemoteOperationResult result =
1907                     mOperationsServiceBinder.getOperationResultIfFinished(mExistenceCheckOpId);
1908             if (result != null) {
1909                 Log.wtf(TAG, "found result of operation finished while rotating");
1910                 if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1911                     onSamlBasedFederatedSingleSignOnAuthorizationStart(result);
1912
1913                 } else {
1914                     onAuthorizationCheckFinish(result);
1915                 }
1916             }
1917         }
1918     }
1919
1920     /**
1921      * Implements callback methods for service binding.
1922      */
1923     private class OperationsServiceConnection implements ServiceConnection {
1924
1925         @Override
1926         public void onServiceConnected(ComponentName component, IBinder service) {
1927             if (component.equals(new ComponentName(AuthenticatorActivity.this, OperationsService.class))) {
1928                 //Log_OC.wtf(TAG, "Operations service connected");
1929                 mOperationsServiceBinder = (OperationsServiceBinder) service;
1930
1931                 doOnResumeAndBound();
1932
1933             } else {
1934                 return;
1935             }
1936
1937         }
1938
1939         @Override
1940         public void onServiceDisconnected(ComponentName component) {
1941             if (component.equals(new ComponentName(AuthenticatorActivity.this, OperationsService.class))) {
1942                 Log_OC.e(TAG, "Operations service crashed");
1943                 mOperationsServiceBinder = null;
1944             }
1945         }
1946
1947     }
1948
1949 }