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.lib.common.OwnCloudClientFactory;
  71 import com.owncloud.android.lib.common.OwnCloudClient;
  72 import com.owncloud.android.operations.DetectAuthenticationMethodOperation.AuthenticationMethod;
  73 import com.owncloud.android.operations.GetServerInfoOperation;
  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.common.operations.RemoteOperation;
  79 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  80 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  81 import com.owncloud.android.lib.resources.files.ExistenceCheckRemoteOperation;
  82 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  83
  84 import com.owncloud.android.services.OperationsService;
  85 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  86 import com.owncloud.android.ui.dialog.SamlWebViewDialog;
  87 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  88 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  89 import com.owncloud.android.utils.Log_OC;
  90 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  91
  92 /**
  93  * This Activity is used to add an ownCloud account to the App
  94  *
  95  * @author Bartek Przybylski
  96  * @author David A. Velasco
  97  */
  98 public class AuthenticatorActivity extends AccountAuthenticatorActivity
  99 implements  OnRemoteOperationListener, OnFocusChangeListener, OnEditorActionListener,
 100 SsoWebViewClientListener, OnSslUntrustedCertListener {
 101
 102     private static final String TAG = AuthenticatorActivity.class.getSimpleName();
 103
 104     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 105     public static final String EXTRA_USER_NAME = "USER_NAME";
 106     public static final String EXTRA_HOST_NAME = "HOST_NAME";
 107     public static final String EXTRA_ACTION = "ACTION";
 108     public static final String EXTRA_ENFORCED_UPDATE = "ENFORCE_UPDATE";
 109
 110     private static final String KEY_AUTH_MESSAGE_VISIBILITY = "AUTH_MESSAGE_VISIBILITY";
 111     private static final String KEY_AUTH_MESSAGE_TEXT = "AUTH_MESSAGE_TEXT";
 112     private static final String KEY_HOST_URL_TEXT = "HOST_URL_TEXT";
 113     private static final String KEY_OC_VERSION = "OC_VERSION";
 114     private static final String KEY_ACCOUNT = "ACCOUNT";
 115     private static final String KEY_SERVER_VALID = "SERVER_VALID";
 116     private static final String KEY_SERVER_CHECKED = "SERVER_CHECKED";
 117     private static final String KEY_SERVER_CHECK_IN_PROGRESS = "SERVER_CHECK_IN_PROGRESS";
 118     private static final String KEY_SERVER_STATUS_TEXT = "SERVER_STATUS_TEXT";
 119     private static final String KEY_SERVER_STATUS_ICON = "SERVER_STATUS_ICON";
 120     private static final String KEY_IS_SSL_CONN = "IS_SSL_CONN";
 121     private static final String KEY_PASSWORD_VISIBLE = "PASSWORD_VISIBLE";
 122     private static final String KEY_AUTH_STATUS_TEXT = "AUTH_STATUS_TEXT";
 123     private static final String KEY_AUTH_STATUS_ICON = "AUTH_STATUS_ICON";
 124     private static final String KEY_REFRESH_BUTTON_ENABLED = "KEY_REFRESH_BUTTON_ENABLED";
 125     //private static final String KEY_IS_SHARED_SUPPORTED = "KEY_IS_SHARE_SUPPORTED";
 126     private static final String KEY_SERVER_AUTH_METHOD = "KEY_SERVER_AUTH_METHOD";
 127     private static final String KEY_DETECT_AUTH_OP_ID = "KEY_DETECT_AUTH_OP_ID";
 128
 129
 130     private static final String AUTH_ON = "on";
 131     private static final String AUTH_OFF = "off";
 132     private static final String AUTH_OPTIONAL = "optional";
 133
 134     private static final int DIALOG_LOGIN_PROGRESS = 0;
 135     private static final int DIALOG_CERT_NOT_SAVED = 1;
 136     private static final int DIALOG_OAUTH2_LOGIN_PROGRESS = 2;
 137
 138     public static final byte ACTION_CREATE = 0;
 139     public static final byte ACTION_UPDATE_TOKEN = 1;
 140
 141     private static final String TAG_SAML_DIALOG = "samlWebViewDialog";
 142
 143     private String mHostBaseUrl;                // TODO remove
 144     private OwnCloudVersion mDiscoveredVersion; // TODO remove
 145
 146     private String mAuthMessageText;
 147     private int mAuthMessageVisibility, mServerStatusText, mServerStatusIcon;
 148     private boolean mServerIsChecked, mServerIsValid, mIsSslConn;
 149     private AuthenticationMethod mServerAuthMethod = AuthenticationMethod.UNKNOWN;
 150
 151     private int mGetServerInfoOpId = -1;
 152     private int mOauth2GetAccessTokenOpId = -1;
 153
 154     private int mAuthStatusText, mAuthStatusIcon;
 155     private TextView mAuthStatusLayout;
 156
 157     private final Handler mHandler = new Handler();
 158     private Thread mOperationThread;
 159     private GetServerInfoOperation mServerInfoOperation;
 160
 161     //private ExistenceCheckRemoteOperation mAuthCheckOperation;
 162     private int mExistenceCheckOpId = -1;
 163
 164     private Uri mNewCapturedUriFromOAuth2Redirection;
 165
 166     private AccountManager mAccountMgr;
 167     private boolean mJustCreated;
 168     private byte mAction;
 169     private Account mAccount;
 170
 171     private TextView mAuthMessage;
 172
 173     private EditText mHostUrlInput;
 174     private boolean mHostUrlInputEnabled;
 175     private View mRefreshButton;
 176
 177     private String mAuthTokenType;
 178
 179     private EditText mUsernameInput;
 180     private EditText mPasswordInput;
 181
 182     private CheckBox mOAuth2Check;
 183
 184     private TextView mOAuthAuthEndpointText;
 185     private TextView mOAuthTokenEndpointText;
 186
 187     private SamlWebViewDialog mSamlDialog;
 188
 189     private View mOkButton;
 190
 191     private String mAuthToken;
 192
 193     private boolean mResumed; // Control if activity is resumed
 194
 195     public static String DIALOG_UNTRUSTED_CERT = "DIALOG_UNTRUSTED_CERT";
 196
 197     private ServiceConnection mOperationsServiceConnection = null;
 198
 199     private OperationsServiceBinder mOperationsServiceBinder = null;
 200
 201     private GetServerInfoOperation.ServerInfo mServerInfo;
 202
 203     /**
 204      * {@inheritDoc}
 205      *
 206      * IMPORTANT ENTRY POINT 1: activity is shown to the user
 207      */
 208     @Override
 209     protected void onCreate(Bundle savedInstanceState) {
 210         super.onCreate(savedInstanceState);
 211         getWindow().requestFeature(Window.FEATURE_NO_TITLE);
 212
 213         // bind to Operations Service
 214         mOperationsServiceConnection = new OperationsServiceConnection();
 215         if (!bindService(new Intent(this, OperationsService.class),
 216                 mOperationsServiceConnection,
 217                 Context.BIND_AUTO_CREATE)) {
 218             Toast.makeText(this,
 219                     R.string.error_cant_bind_to_operations_service,
 220                     Toast.LENGTH_LONG)
 221                         .show();
 222             finish();
 223         }
 224
 225         /// set view and get references to view elements
 226         setContentView(R.layout.account_setup);
 227         mAuthMessage = (TextView) findViewById(R.id.auth_message);
 228         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 229         mHostUrlInput.setText(getString(R.string.server_url));  // valid although R.string.server_url is an empty string
 230         mUsernameInput = (EditText) findViewById(R.id.account_username);
 231         mPasswordInput = (EditText) findViewById(R.id.account_password);
 232         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 233         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 234         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 235         mOkButton = findViewById(R.id.buttonOK);
 236         mAuthStatusLayout = (TextView) findViewById(R.id.auth_status_text);
 237
 238         /// set Host Url Input Enabled
 239         mHostUrlInputEnabled = getResources().getBoolean(R.bool.show_server_url_input);
 240
 241         /// set visibility of link for new users
 242         boolean accountRegisterVisibility = getResources().getBoolean(R.bool.show_welcome_link);
 243         Button welcomeLink = (Button) findViewById(R.id.welcome_link);
 244         if (welcomeLink != null) {
 245             if (accountRegisterVisibility) {
 246                 welcomeLink.setVisibility(View.VISIBLE);
 247                 welcomeLink.setText(String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 248             } else {
 249                 findViewById(R.id.welcome_link).setVisibility(View.GONE);
 250             }
 251         }
 252
 253         /// initialization
 254         mAccountMgr = AccountManager.get(this);
 255         mNewCapturedUriFromOAuth2Redirection = null;
 256         mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE);
 257         mAccount = null;
 258         mHostBaseUrl = "";
 259         boolean refreshButtonEnabled = false;
 260
 261         // URL input configuration applied
 262         if (!mHostUrlInputEnabled)
 263         {
 264             findViewById(R.id.hostUrlFrame).setVisibility(View.GONE);
 265             mRefreshButton = findViewById(R.id.centeredRefreshButton);
 266
 267         } else {
 268             mRefreshButton = findViewById(R.id.embeddedRefreshButton);
 269         }
 270
 271         if (savedInstanceState == null) {
 272             mResumed = false;
 273             /// connection state and info
 274             mAuthMessageVisibility = View.GONE;
 275             mServerStatusText = mServerStatusIcon = 0;
 276             mServerIsValid = false;
 277             mServerIsChecked = false;
 278             mIsSslConn = false;
 279             mAuthStatusText = mAuthStatusIcon = 0;
 280
 281             /// retrieve extras from intent
 282             mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 283             if (mAccount != null) {
 284                 String ocVersion = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION);
 285                 if (ocVersion != null) {
 286                     mDiscoveredVersion = new OwnCloudVersion(ocVersion);
 287                 }
 288                 mHostBaseUrl = normalizeUrl(mAccountMgr.getUserData(mAccount, Constants.KEY_OC_BASE_URL));
 289                 mHostUrlInput.setText(mHostBaseUrl);
 290                 String userName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 291                 mUsernameInput.setText(userName);
 292
 293             }
 294             initAuthorizationMethod();  // checks intent and setup.xml to determine mCurrentAuthorizationMethod
 295             mJustCreated = true;
 296
 297             if (mAction == ACTION_UPDATE_TOKEN || !mHostUrlInputEnabled) {
 298                 checkOcServer();
 299             }
 300
 301         } else {
 302             mResumed = true;
 303             /// connection state and info
 304             mAuthMessageVisibility = savedInstanceState.getInt(KEY_AUTH_MESSAGE_VISIBILITY);
 305             mAuthMessageText = savedInstanceState.getString(KEY_AUTH_MESSAGE_TEXT);
 306             mServerIsValid = savedInstanceState.getBoolean(KEY_SERVER_VALID);
 307             mServerIsChecked = savedInstanceState.getBoolean(KEY_SERVER_CHECKED);
 308             mServerStatusText = savedInstanceState.getInt(KEY_SERVER_STATUS_TEXT);
 309             mServerStatusIcon = savedInstanceState.getInt(KEY_SERVER_STATUS_ICON);
 310             mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 311             mAuthStatusText = savedInstanceState.getInt(KEY_AUTH_STATUS_TEXT);
 312             mAuthStatusIcon = savedInstanceState.getInt(KEY_AUTH_STATUS_ICON);
 313             if (savedInstanceState.getBoolean(KEY_PASSWORD_VISIBLE, false)) {
 314                 showPassword();
 315             }
 316
 317             /// server data
 318             String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 319             if (ocVersion != null) {
 320                 mDiscoveredVersion = new OwnCloudVersion(ocVersion);
 321             }
 322             mHostBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 323
 324             // account data, if updating
 325             mAccount = savedInstanceState.getParcelable(KEY_ACCOUNT);
 326             mAuthTokenType = savedInstanceState.getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 327             if (mAuthTokenType == null) {
 328                 mAuthTokenType =  AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 329
 330             }
 331
 332             // check if server check was interrupted by a configuration change
 333             if (savedInstanceState.getBoolean(KEY_SERVER_CHECK_IN_PROGRESS, false)) {
 334                 checkOcServer();
 335             }
 336
 337             // refresh button enabled
 338             refreshButtonEnabled = savedInstanceState.getBoolean(KEY_REFRESH_BUTTON_ENABLED);
 339
 340
 341             mServerAuthMethod = AuthenticationMethod.valueOf(
 342                     savedInstanceState.getString(KEY_SERVER_AUTH_METHOD));
 343             mGetServerInfoOpId = savedInstanceState.getInt(KEY_DETECT_AUTH_OP_ID);
 344
 345         }
 346
 347         if (mAuthMessageVisibility== View.VISIBLE) {
 348             showAuthMessage(mAuthMessageText);
 349         }
 350         else {
 351             hideAuthMessage();
 352         }
 353         adaptViewAccordingToAuthenticationMethod();
 354         showServerStatus();
 355         showAuthStatus();
 356
 357         if (mAction == ACTION_UPDATE_TOKEN) {
 358             /// lock things that should not change
 359             mHostUrlInput.setEnabled(false);
 360             mHostUrlInput.setFocusable(false);
 361             mUsernameInput.setEnabled(false);
 362             mUsernameInput.setFocusable(false);
 363             mOAuth2Check.setVisibility(View.GONE);
 364         }
 365
 366         showRefreshButton(mServerIsChecked && !mServerIsValid && refreshButtonEnabled);
 367         mOkButton.setEnabled(mServerIsValid); // state not automatically recovered in configuration changes
 368
 369         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) ||
 370                 !AUTH_OPTIONAL.equals(getString(R.string.auth_method_oauth2))) {
 371             mOAuth2Check.setVisibility(View.GONE);
 372         }
 373
 374         mPasswordInput.setText("");     // clean password to avoid social hacking (disadvantage: password in removed if the device is turned aside)
 375
 376         /// bind view elements to listeners and other friends
 377         mHostUrlInput.setOnFocusChangeListener(this);
 378         mHostUrlInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 379         mHostUrlInput.setOnEditorActionListener(this);
 380         mHostUrlInput.addTextChangedListener(new TextWatcher() {
 381
 382             @Override
 383             public void afterTextChanged(Editable s) {
 384                 if (!mHostBaseUrl.equals(normalizeUrl(mHostUrlInput.getText().toString()))) {
 385                     mOkButton.setEnabled(false);
 386                 }
 387             }
 388
 389             @Override
 390             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 391             }
 392
 393             @Override
 394             public void onTextChanged(CharSequence s, int start, int before, int count) {
 395                 if (!mResumed) {
 396                     mAuthStatusIcon = 0;
 397                     mAuthStatusText = 0;
 398                     showAuthStatus();
 399                 }
 400                 mResumed = false;
 401             }
 402         });
 403
 404         mPasswordInput.setOnFocusChangeListener(this);
 405         mPasswordInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
 406         mPasswordInput.setOnEditorActionListener(this);
 407         mPasswordInput.setOnTouchListener(new RightDrawableOnTouchListener() {
 408             @Override
 409             public boolean onDrawableTouch(final MotionEvent event) {
 410                 if (event.getAction() == MotionEvent.ACTION_UP) {
 411                     AuthenticatorActivity.this.onViewPasswordClick();
 412                 }
 413                 return true;
 414             }
 415         });
 416
 417         findViewById(R.id.scroll).setOnTouchListener(new OnTouchListener() {
 418             @Override
 419             public boolean onTouch(View view, MotionEvent event) {
 420                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 421                     if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
 422                             mHostUrlInput.hasFocus()) {
 423                         checkOcServer();
 424                     }
 425                 }
 426                 return false;
 427             }
 428         });
 429
 430     }
 431
 432
 433
 434     private void initAuthorizationMethod() {
 435         boolean oAuthRequired = false;
 436         boolean samlWebSsoRequired = false;
 437
 438         mAuthTokenType = getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 439         mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 440
 441         // TODO could be a good moment to validate the received token type, if not null
 442
 443         if (mAuthTokenType == null) {
 444             if (mAccount != null) {
 445                 /// same authentication method than the one used to create the account to update
 446                 oAuthRequired = (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2) != null);
 447                 samlWebSsoRequired = (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO) != null);
 448
 449             } else {
 450                 /// use the one set in setup.xml
 451                 oAuthRequired = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
 452                 samlWebSsoRequired = AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));
 453             }
 454             if (oAuthRequired) {
 455                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
 456             } else if (samlWebSsoRequired) {
 457                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 458             } else {
 459                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 460             }
 461         }
 462
 463         if (mAccount != null) {
 464             String userName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 465             mUsernameInput.setText(userName);
 466         }
 467
 468         mOAuth2Check.setChecked(AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType));
 469
 470     }
 471
 472     /**
 473      * Saves relevant state before {@link #onPause()}
 474      *
 475      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag, intended to defer the
 476      * processing of the redirection caught in {@link #onNewIntent(Intent)} until {@link #onResume()}
 477      *
 478      * See {@link #loadSavedInstanceState(Bundle)}
 479      */
 480     @Override
 481     protected void onSaveInstanceState(Bundle outState) {
 482         //Log.wtf(TAG, "onSaveInstanceState init" );
 483         super.onSaveInstanceState(outState);
 484
 485         /// connection state and info
 486         outState.putInt(KEY_AUTH_MESSAGE_VISIBILITY, mAuthMessage.getVisibility());
 487         outState.putString(KEY_AUTH_MESSAGE_TEXT, mAuthMessage.getText().toString());
 488         outState.putInt(KEY_SERVER_STATUS_TEXT, mServerStatusText);
 489         outState.putInt(KEY_SERVER_STATUS_ICON, mServerStatusIcon);
 490         outState.putBoolean(KEY_SERVER_VALID, mServerIsValid);
 491         outState.putBoolean(KEY_SERVER_CHECKED, mServerIsChecked);
 492         outState.putBoolean(KEY_SERVER_CHECK_IN_PROGRESS, (!mServerIsValid && mServerInfoOperation != null));
 493         outState.putBoolean(KEY_IS_SSL_CONN, mIsSslConn);
 494         outState.putBoolean(KEY_PASSWORD_VISIBLE, isPasswordVisible());
 495         outState.putInt(KEY_AUTH_STATUS_ICON, mAuthStatusIcon);
 496         outState.putInt(KEY_AUTH_STATUS_TEXT, mAuthStatusText);
 497
 498         /// server data
 499         if (mDiscoveredVersion != null) {
 500             outState.putString(KEY_OC_VERSION, mDiscoveredVersion.getVersion());
 501         }
 502         outState.putString(KEY_HOST_URL_TEXT, mHostBaseUrl);
 503
 504         /// account data, if updating
 505         if (mAccount != null) {
 506             outState.putParcelable(KEY_ACCOUNT, mAccount);
 507         }
 508         outState.putString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE, mAuthTokenType);
 509
 510         // refresh button enabled
 511         outState.putBoolean(KEY_REFRESH_BUTTON_ENABLED, (mRefreshButton.getVisibility() == View.VISIBLE));
 512
 513         outState.putString(KEY_SERVER_AUTH_METHOD, mServerAuthMethod.name());
 514         outState.putInt(KEY_DETECT_AUTH_OP_ID, mGetServerInfoOpId);
 515         //Log.wtf(TAG, "onSaveInstanceState end" );
 516     }
 517
 518
 519     /**
 520      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION request
 521      * is caught here.
 522      *
 523      * To make this possible, this activity needs to be qualified with android:launchMode = "singleTask" in the
 524      * AndroidManifest.xml file.
 525      */
 526     @Override
 527     protected void onNewIntent (Intent intent) {
 528         Log_OC.d(TAG, "onNewIntent()");
 529         Uri data = intent.getData();
 530         if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) {
 531             mNewCapturedUriFromOAuth2Redirection = data;
 532         }
 533     }
 534
 535
 536     /**
 537      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION, and
 538      * deferred in {@link #onNewIntent(Intent)}, is processed here.
 539      */
 540     @Override
 541     protected void onResume() {
 542         //Log.wtf(TAG, "onResume init" );
 543         super.onResume();
 544
 545         if (mAction == ACTION_UPDATE_TOKEN && mJustCreated && getIntent().getBooleanExtra(EXTRA_ENFORCED_UPDATE, false)) {
 546             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 547                 //Toast.makeText(this, R.string.auth_expired_oauth_token_toast, Toast.LENGTH_LONG).show();
 548                 showAuthMessage(getString(R.string.auth_expired_oauth_token_toast));
 549             } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 550                 //Toast.makeText(this, R.string.auth_expired_saml_sso_token_toast, Toast.LENGTH_LONG).show();
 551                 showAuthMessage(getString(R.string.auth_expired_saml_sso_token_toast));
 552             } else {
 553                 //Toast.makeText(this, R.string.auth_expired_basic_auth_toast, Toast.LENGTH_LONG).show();
 554                 showAuthMessage(getString(R.string.auth_expired_basic_auth_toast));
 555             }
 556         }
 557
 558         if (mNewCapturedUriFromOAuth2Redirection != null) {
 559             getOAuth2AccessTokenFromCapturedRedirection();
 560         }
 561
 562         mJustCreated = false;
 563
 564         if (mOperationsServiceBinder != null) {
 565             doOnResumeAndBound();
 566         }
 567
 568         //Log.wtf(TAG, "onResume end" );
 569     }
 570
 571
 572     @Override
 573     protected void onPause() {
 574         //Log.wtf(TAG, "onPause init" );
 575         if (mOperationsServiceBinder != null) {
 576             //Log.wtf(TAG, "unregistering to listen for operation callbacks" );
 577             mOperationsServiceBinder.removeOperationListener(this);
 578         }
 579         super.onPause();
 580         //Log.wtf(TAG, "onPause end" );
 581     }
 582
 583     @Override
 584     protected void onDestroy() {
 585         if (mOperationsServiceConnection != null) {
 586             unbindService(mOperationsServiceConnection);
 587             mOperationsServiceBinder = null;
 588         }
 589         super.onDestroy();
 590     }
 591
 592
 593     /**
 594      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 595      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 596      */
 597     private void getOAuth2AccessTokenFromCapturedRedirection() {
 598         /// Parse data from OAuth redirection
 599         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 600         mNewCapturedUriFromOAuth2Redirection = null;
 601
 602         /// Showing the dialog with instructions for the user.
 603         showDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
 604
 605         /// GET ACCESS TOKEN to the oAuth server
 606         Intent getServerInfoIntent = new Intent();
 607         getServerInfoIntent.setAction(OperationsService.ACTION_OAUTH2_GET_ACCESS_TOKEN);
 608
 609         getServerInfoIntent.putExtra(
 610                 OperationsService.EXTRA_SERVER_URL,
 611                 mOAuthTokenEndpointText.getText().toString().trim());
 612
 613         getServerInfoIntent.putExtra(
 614                 OperationsService.EXTRA_OAUTH2_QUERY_PARAMETERS,
 615                 queryParameters);
 616
 617         if (mOperationsServiceBinder != null) {
 618             //Log.wtf(TAG, "getting access token..." );
 619             mOauth2GetAccessTokenOpId = mOperationsServiceBinder.newOperation(getServerInfoIntent);
 620         }
 621
 622         /*
 623         RemoteOperation operation = new OAuth2GetAccessToken(   getString(R.string.oauth2_client_id),
 624                 getString(R.string.oauth2_redirect_uri),
 625                 getString(R.string.oauth2_grant_type),
 626                 queryParameters);
 627         //OwnCloudClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(getString(R.string.oauth2_url_endpoint_access)), getApplicationContext());
 628         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mOAuthTokenEndpointText.getText().toString().trim()), getApplicationContext(), true);
 629         operation.execute(client, this, mHandler);
 630         */
 631
 632     }
 633
 634
 635
 636     /**
 637      * Handles the change of focus on the text inputs for the server URL and the password
 638      */
 639     public void onFocusChange(View view, boolean hasFocus) {
 640         if (view.getId() == R.id.hostUrlInput) {
 641             if (!hasFocus) {
 642                 onUrlInputFocusLost((TextView) view);
 643             }
 644             else {
 645                 showRefreshButton(false);
 646             }
 647
 648         } else if (view.getId() == R.id.account_password) {
 649             onPasswordFocusChanged((TextView) view, hasFocus);
 650         }
 651     }
 652
 653
 654     /**
 655      * Handles changes in focus on the text input for the server URL.
 656      *
 657      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 658      * other field. The operation to check the existence of the server in the entered URL is
 659      * started.
 660      *
 661      * When hasFocus:    user 'comes back' to write again the server URL.
 662      *
 663      * @param hostInput     TextView with the URL input field receiving the change of focus.
 664      */
 665     private void onUrlInputFocusLost(TextView hostInput) {
 666         if (!mHostBaseUrl.equals(normalizeUrl(mHostUrlInput.getText().toString()))) {
 667             checkOcServer();
 668         } else {
 669             mOkButton.setEnabled(mServerIsValid);
 670             showRefreshButton(!mServerIsValid);
 671         }
 672     }
 673
 674
 675     private void checkOcServer() {
 676         String uri = mHostUrlInput.getText().toString().trim();
 677
 678         if (!mHostUrlInputEnabled){
 679             uri = getString(R.string.server_url).trim();
 680         }
 681
 682         mServerIsValid = false;
 683         mServerIsChecked = false;
 684         mOkButton.setEnabled(false);
 685         mDiscoveredVersion = null;
 686         mServerAuthMethod = AuthenticationMethod.UNKNOWN;
 687         showRefreshButton(false);
 688
 689         if (uri.length() != 0) {
 690             mServerStatusText = R.string.auth_testing_connection;
 691             mServerStatusIcon = R.drawable.progress_small;
 692             showServerStatus();
 693
 694             Intent getServerInfoIntent = new Intent();
 695             getServerInfoIntent.setAction(OperationsService.ACTION_GET_SERVER_INFO);
 696             getServerInfoIntent.putExtra(OperationsService.EXTRA_SERVER_URL, uri);
 697             getServerInfoIntent.putExtra(OperationsService.EXTRA_AUTH_TOKEN_TYPE, mAuthTokenType);
 698             if (mOperationsServiceBinder != null) {
 699                 //Log.wtf(TAG, "checking server..." );
 700                 mGetServerInfoOpId = mOperationsServiceBinder.newOperation(getServerInfoIntent);
 701             }
 702
 703         } else {
 704             mServerStatusText = 0;
 705             mServerStatusIcon = 0;
 706             showServerStatus();
 707         }
 708     }
 709
 710
 711     /**
 712      * Handles changes in focus on the text input for the password (basic authorization).
 713      *
 714      * When (hasFocus), the button to toggle password visibility is shown.
 715      *
 716      * When (!hasFocus), the button is made invisible and the password is hidden.
 717      *
 718      * @param passwordInput    TextView with the password input field receiving the change of focus.
 719      * @param hasFocus          'True' if focus is received, 'false' if is lost
 720      */
 721     private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {
 722         if (hasFocus) {
 723             showViewPasswordButton();
 724         } else {
 725             hidePassword();
 726             hidePasswordButton();
 727         }
 728     }
 729
 730
 731     private void showViewPasswordButton() {
 732         //int drawable = android.R.drawable.ic_menu_view;
 733         int drawable = R.drawable.ic_view;
 734         if (isPasswordVisible()) {
 735             //drawable = android.R.drawable.ic_secure;
 736             drawable = R.drawable.ic_hide;
 737         }
 738         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 739     }
 740
 741     private boolean isPasswordVisible() {
 742         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 743     }
 744
 745     private void hidePasswordButton() {
 746         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 747     }
 748
 749     private void showPassword() {
 750         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 751         showViewPasswordButton();
 752     }
 753
 754     private void hidePassword() {
 755         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
 756         showViewPasswordButton();
 757     }
 758
 759
 760     /**
 761      * Cancels the authenticator activity
 762      *
 763      * IMPORTANT ENTRY POINT 3: Never underestimate the importance of cancellation
 764      *
 765      * This method is bound in the layout/acceoun_setup.xml resource file.
 766      *
 767      * @param view      Cancel button
 768      */
 769     public void onCancelClick(View view) {
 770         setResult(RESULT_CANCELED);     // TODO review how is this related to AccountAuthenticator (debugging)
 771         finish();
 772     }
 773
 774
 775
 776     /**
 777      * Checks the credentials of the user in the root of the ownCloud server
 778      * before creating a new local account.
 779      *
 780      * For basic authorization, a check of existence of the root folder is
 781      * performed.
 782      *
 783      * For OAuth, starts the flow to get an access token; the credentials test
 784      * is postponed until it is available.
 785      *
 786      * IMPORTANT ENTRY POINT 4
 787      *
 788      * @param view      OK button
 789      */
 790     public void onOkClick(View view) {
 791         // this check should be unnecessary
 792         if (mDiscoveredVersion == null || !mDiscoveredVersion.isVersionValid()  || mHostBaseUrl == null || mHostBaseUrl.length() == 0) {
 793             mServerStatusIcon = R.drawable.common_error;
 794             mServerStatusText = R.string.auth_wtf_reenter_URL;
 795             showServerStatus();
 796             mOkButton.setEnabled(false);
 797             Log_OC.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");
 798             return;
 799         }
 800
 801         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 802             startOauthorization();
 803         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 804             startSamlBasedFederatedSingleSignOnAuthorization();
 805         } else {
 806             checkBasicAuthorization();
 807         }
 808     }
 809
 810
 811     /**
 812      * Tests the credentials entered by the user performing a check of existence on
 813      * the root folder of the ownCloud server.
 814      */
 815     private void checkBasicAuthorization() {
 816         /// get the path to the root folder through WebDAV from the version server
 817         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 818
 819         /// get basic credentials entered by user
 820         String username = mUsernameInput.getText().toString();
 821         String password = mPasswordInput.getText().toString();
 822
 823         /// be gentle with the user
 824         showDialog(DIALOG_LOGIN_PROGRESS);
 825
 826         /// test credentials accessing the root folder
 827         String remotePath ="";
 828         boolean successIfAbsent = false;
 829         boolean followRedirects = true;
 830         startExistenceCheckRemoteOperation(remotePath, this, successIfAbsent, webdav_path, username, password, followRedirects);
 831
 832     }
 833
 834     private void startExistenceCheckRemoteOperation(String remotePath, Context context, boolean successIfAbsent, String webdav_path,
 835             String username, String password, boolean followRedirects) {
 836
 837         Intent existenceCheckIntent = new Intent();
 838         existenceCheckIntent.setAction(OperationsService.ACTION_EXISTENCE_CHECK);
 839         existenceCheckIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mHostBaseUrl);
 840         existenceCheckIntent.putExtra(OperationsService.EXTRA_REMOTE_PATH, remotePath);
 841         existenceCheckIntent.putExtra(OperationsService.EXTRA_SUCCESS_IF_ABSENT, successIfAbsent);
 842         existenceCheckIntent.putExtra(OperationsService.EXTRA_WEBDAV_PATH, webdav_path);
 843         existenceCheckIntent.putExtra(OperationsService.EXTRA_USERNAME, username);
 844         existenceCheckIntent.putExtra(OperationsService.EXTRA_PASSWORD, password);
 845         existenceCheckIntent.putExtra(OperationsService.EXTRA_AUTH_TOKEN, mAuthToken);
 846         existenceCheckIntent.putExtra(OperationsService.EXTRA_FOLLOW_REDIRECTS, followRedirects);
 847
 848         if (mOperationsServiceBinder != null) {
 849             Log_OC.wtf(TAG, "starting existenceCheckRemoteOperation..." );
 850             mExistenceCheckOpId = mOperationsServiceBinder.newOperation(existenceCheckIntent);
 851         }
 852     }
 853
 854     /**
 855      * Starts the OAuth 'grant type' flow to get an access token, with
 856      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 857      */
 858     private void startOauthorization() {
 859         // be gentle with the user
 860         mAuthStatusIcon = R.drawable.progress_small;
 861         mAuthStatusText = R.string.oauth_login_connection;
 862         showAuthStatus();
 863
 864         // GET AUTHORIZATION request
 865         //Uri uri = Uri.parse(getString(R.string.oauth2_url_endpoint_auth));
 866         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 867         Uri.Builder uriBuilder = uri.buildUpon();
 868         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type));
 869         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri));
 870         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id));
 871         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope));
 872         //uriBuilder.appendQueryParameter(OAuth2Constants.KEY_STATE, whateverwewant);
 873         uri = uriBuilder.build();
 874         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 875         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 876         startActivity(i);
 877     }
 878
 879
 880     /**
 881      * Starts the Web Single Sign On flow to get access to the root folder
 882      * in the server.
 883      */
 884     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 885         // be gentle with the user
 886         mAuthStatusIcon = R.drawable.progress_small;
 887         mAuthStatusText = R.string.auth_connecting_auth_server;
 888         showAuthStatus();
 889         showDialog(DIALOG_LOGIN_PROGRESS);
 890
 891         /// get the path to the root folder through WebDAV from the version server
 892         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 893
 894         /// test credentials accessing the root folder
 895         String remotePath ="";
 896         boolean successIfAbsent = false;
 897         boolean followRedirections = false;
 898         startExistenceCheckRemoteOperation(remotePath, this, successIfAbsent, webdav_path, "", "", followRedirections);
 899
 900     }
 901
 902     /**
 903      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 904      *
 905      * Dispatches the operation flow to the right method.
 906      */
 907     @Override
 908     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 909
 910         if (operation instanceof GetServerInfoOperation) {
 911             if (operation.hashCode() == mGetServerInfoOpId) {
 912                 onGetServerInfoFinish(result);
 913             }   // else nothing ; only the last check operation is considered;
 914                 // multiple can be started if the user amends a URL quickly
 915
 916         } else if (operation instanceof OAuth2GetAccessToken) {
 917             onGetOAuthAccessTokenFinish(result);
 918
 919         } else if (operation instanceof ExistenceCheckRemoteOperation)  {
 920             Log_OC.wtf(TAG, "received detection response through callback" );
 921             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 922                 onSamlBasedFederatedSingleSignOnAuthorizationStart(result);
 923
 924             } else {
 925                 onAuthorizationCheckFinish(result);
 926             }
 927         } else if (operation instanceof GetRemoteUserNameOperation) {
 928             onGetUserNameFinish((GetRemoteUserNameOperation) operation, result);
 929
 930         }
 931
 932     }
 933
 934     private void onGetUserNameFinish(GetRemoteUserNameOperation operation, RemoteOperationResult result) {
 935
 936         if (result.isSuccess()) {
 937             boolean success = false;
 938             String username = operation.getUserName();
 939
 940             if ( mAction == ACTION_CREATE) {
 941                 mUsernameInput.setText(username);
 942                 success = createAccount();
 943             } else {
 944
 945                 if (!mUsernameInput.getText().toString().equals(username)) {
 946                     // fail - not a new account, but an existing one; disallow
 947                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
 948                     updateAuthStatusIconAndText(result);
 949                     showAuthStatus();
 950                     Log_OC.d(TAG, result.getLogMessage());
 951                 } else {
 952                     updateToken();
 953                     success = true;
 954                 }
 955             }
 956
 957             if (success)
 958                 finish();
 959         } else {
 960             updateStatusIconFailUserName();
 961             showAuthStatus();
 962             Log_OC.e(TAG, "Access to user name failed: " + result.getLogMessage());
 963         }
 964
 965     }
 966
 967     private void onSamlBasedFederatedSingleSignOnAuthorizationStart(RemoteOperationResult result) {
 968         mExistenceCheckOpId = -1;
 969         try {
 970             dismissDialog(DIALOG_LOGIN_PROGRESS);
 971         } catch (IllegalArgumentException e) {
 972             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
 973         }
 974
 975         //if (result.isTemporalRedirection() && result.isIdPRedirection()) {
 976         if (result.isIdPRedirection()) {
 977             String url = result.getRedirectedLocation();
 978             String targetUrl = mHostBaseUrl + AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 979
 980             // Show dialog
 981             mSamlDialog = SamlWebViewDialog.newInstance(url, targetUrl);
 982             mSamlDialog.show(getSupportFragmentManager(), TAG_SAML_DIALOG);
 983
 984             mAuthStatusIcon = 0;
 985             mAuthStatusText = 0;
 986
 987         } else {
 988             mAuthStatusIcon = R.drawable.common_error;
 989             mAuthStatusText = R.string.auth_unsupported_auth_method;
 990
 991         }
 992         showAuthStatus();
 993     }
 994
 995
 996     /**
 997      * Processes the result of the server check performed when the user finishes the enter of the
 998      * server URL.
 999      *
1000      * @param operation     Server check performed.
1001      * @param result        Result of the check.
1002      */
1003     private void onGetServerInfoFinish(RemoteOperationResult result) {
1004         /// update activity state
1005         mServerIsChecked = true;
1006         mIsSslConn = (result.getCode() == ResultCode.OK_SSL);
1007         mServerInfoOperation = null;
1008         mGetServerInfoOpId = -1;
1009
1010         // update server status, but don't show it yet
1011         updateServerStatusIconAndText(result);
1012
1013         if (result.isSuccess()) {
1014             /// SUCCESS means:
1015             //      1. connection succeeded, and we know if it's SSL or not
1016             //      2. server is installed
1017             //      3. we got the server version
1018             //      4. we got the authentication method required by the server
1019             mServerInfo = (GetServerInfoOperation.ServerInfo) (result.getData().get(0));
1020             mDiscoveredVersion = mServerInfo.mVersion;
1021             mHostBaseUrl = mServerInfo.mBaseUrl;
1022             mServerAuthMethod = mServerInfo.mAuthMethod;
1023
1024             if (!authSupported(mServerAuthMethod)) {
1025
1026                 updateServerStatusIconNoRegularAuth();  // overrides updateServerStatusIconAndText()
1027                 mServerIsValid = false;
1028
1029             } else {
1030                 mServerIsValid = true;
1031             }
1032
1033         } else {
1034             mServerIsValid = false;
1035         }
1036
1037         // refresh UI
1038         showRefreshButton(!mServerIsValid);
1039         showServerStatus();
1040         mOkButton.setEnabled(mServerIsValid);
1041
1042         /// very special case (TODO: move to a common place for all the remote operations)
1043         if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1044             showUntrustedCertDialog(result);
1045         }
1046     }
1047
1048
1049     private boolean authSupported(AuthenticationMethod authMethod) {
1050         String basic = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1051         String oAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1052         String saml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
1053
1054         return (( mAuthTokenType.equals(basic) &&
1055                     authMethod.equals(AuthenticationMethod.BASIC_HTTP_AUTH) ) ||
1056                 ( mAuthTokenType.equals(oAuth) &&
1057                     authMethod.equals(AuthenticationMethod.BEARER_TOKEN)) ||
1058                 ( mAuthTokenType.equals(saml)  &&
1059                     authMethod.equals(AuthenticationMethod.SAML_WEB_SSO))
1060         );
1061     }
1062
1063
1064     // TODO remove, if possible
1065     private String normalizeUrl(String url) {
1066         if (url != null && url.length() > 0) {
1067             url = url.trim();
1068             if (!url.toLowerCase().startsWith("http://") &&
1069                     !url.toLowerCase().startsWith("https://")) {
1070                 if (mIsSslConn) {
1071                     url = "https://" + url;
1072                 } else {
1073                     url = "http://" + url;
1074                 }
1075             }
1076
1077             url = trimUrlWebdav(url);
1078
1079             if (url.endsWith("/")) {
1080                 url = url.substring(0, url.length() - 1);
1081             }
1082
1083         }
1084         return (url != null ? url : "");
1085     }
1086
1087
1088     // TODO remove, if possible
1089     private String trimUrlWebdav(String url){
1090         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){
1091             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length());
1092         } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){
1093             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length());
1094         } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){
1095             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length());
1096         }
1097         return (url != null ? url : "");
1098     }
1099
1100
1101     /**
1102      * Chooses the right icon and text to show to the user for the received operation result.
1103      *
1104      * @param result    Result of a remote operation performed in this activity
1105      */
1106     private void updateServerStatusIconAndText(RemoteOperationResult result) {
1107         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1108
1109         switch (result.getCode()) {
1110         case OK_SSL:
1111             mServerStatusIcon = android.R.drawable.ic_secure;
1112             mServerStatusText = R.string.auth_secure_connection;
1113             break;
1114
1115         case OK_NO_SSL:
1116         case OK:
1117             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1118                 mServerStatusText = R.string.auth_connection_established;
1119                 mServerStatusIcon = R.drawable.ic_ok;
1120             } else {
1121                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1122                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
1123             }
1124             break;
1125
1126         case NO_NETWORK_CONNECTION:
1127             mServerStatusIcon = R.drawable.no_network;
1128             mServerStatusText = R.string.auth_no_net_conn_title;
1129             break;
1130
1131         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1132             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1133             break;
1134         case BAD_OC_VERSION:
1135             mServerStatusText = R.string.auth_bad_oc_version_title;
1136             break;
1137         case WRONG_CONNECTION:
1138             mServerStatusText = R.string.auth_wrong_connection_title;
1139             break;
1140         case TIMEOUT:
1141             mServerStatusText = R.string.auth_timeout_title;
1142             break;
1143         case INCORRECT_ADDRESS:
1144             mServerStatusText = R.string.auth_incorrect_address_title;
1145             break;
1146         case SSL_ERROR:
1147             mServerStatusText = R.string.auth_ssl_general_error_title;
1148             break;
1149         case UNAUTHORIZED:
1150             mServerStatusText = R.string.auth_unauthorized;
1151             break;
1152         case HOST_NOT_AVAILABLE:
1153             mServerStatusText = R.string.auth_unknown_host_title;
1154             break;
1155         case INSTANCE_NOT_CONFIGURED:
1156             mServerStatusText = R.string.auth_not_configured_title;
1157             break;
1158         case FILE_NOT_FOUND:
1159             mServerStatusText = R.string.auth_incorrect_path_title;
1160             break;
1161         case OAUTH2_ERROR:
1162             mServerStatusText = R.string.auth_oauth_error;
1163             break;
1164         case OAUTH2_ERROR_ACCESS_DENIED:
1165             mServerStatusText = R.string.auth_oauth_error_access_denied;
1166             break;
1167         case UNHANDLED_HTTP_CODE:
1168         case UNKNOWN_ERROR:
1169             mServerStatusText = R.string.auth_unknown_error_title;
1170             break;
1171         default:
1172             mServerStatusText = 0;
1173             mServerStatusIcon = 0;
1174         }
1175     }
1176
1177
1178     /**
1179      * Chooses the right icon and text to show to the user for the received operation result.
1180      *
1181      * @param result    Result of a remote operation performed in this activity
1182      */
1183     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1184         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1185
1186         switch (result.getCode()) {
1187         case OK_SSL:
1188             mAuthStatusIcon = android.R.drawable.ic_secure;
1189             mAuthStatusText = R.string.auth_secure_connection;
1190             break;
1191
1192         case OK_NO_SSL:
1193         case OK:
1194             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1195                 mAuthStatusText = R.string.auth_connection_established;
1196                 mAuthStatusIcon = R.drawable.ic_ok;
1197             } else {
1198                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1199                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
1200             }
1201             break;
1202
1203         case NO_NETWORK_CONNECTION:
1204             mAuthStatusIcon = R.drawable.no_network;
1205             mAuthStatusText = R.string.auth_no_net_conn_title;
1206             break;
1207
1208         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1209             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1210             break;
1211         case BAD_OC_VERSION:
1212             mAuthStatusText = R.string.auth_bad_oc_version_title;
1213             break;
1214         case WRONG_CONNECTION:
1215             mAuthStatusText = R.string.auth_wrong_connection_title;
1216             break;
1217         case TIMEOUT:
1218             mAuthStatusText = R.string.auth_timeout_title;
1219             break;
1220         case INCORRECT_ADDRESS:
1221             mAuthStatusText = R.string.auth_incorrect_address_title;
1222             break;
1223         case SSL_ERROR:
1224             mAuthStatusText = R.string.auth_ssl_general_error_title;
1225             break;
1226         case UNAUTHORIZED:
1227             mAuthStatusText = R.string.auth_unauthorized;
1228             break;
1229         case HOST_NOT_AVAILABLE:
1230             mAuthStatusText = R.string.auth_unknown_host_title;
1231             break;
1232         case INSTANCE_NOT_CONFIGURED:
1233             mAuthStatusText = R.string.auth_not_configured_title;
1234             break;
1235         case FILE_NOT_FOUND:
1236             mAuthStatusText = R.string.auth_incorrect_path_title;
1237             break;
1238         case OAUTH2_ERROR:
1239             mAuthStatusText = R.string.auth_oauth_error;
1240             break;
1241         case OAUTH2_ERROR_ACCESS_DENIED:
1242             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1243             break;
1244         case ACCOUNT_NOT_NEW:
1245             mAuthStatusText = R.string.auth_account_not_new;
1246             break;
1247         case ACCOUNT_NOT_THE_SAME:
1248             mAuthStatusText = R.string.auth_account_not_the_same;
1249             break;
1250         case UNHANDLED_HTTP_CODE:
1251         case UNKNOWN_ERROR:
1252             mAuthStatusText = R.string.auth_unknown_error_title;
1253             break;
1254         default:
1255             mAuthStatusText = 0;
1256             mAuthStatusIcon = 0;
1257         }
1258     }
1259
1260
1261     private void updateStatusIconFailUserName(){
1262         mAuthStatusIcon = R.drawable.common_error;
1263         mAuthStatusText = R.string.auth_fail_get_user_name;
1264     }
1265
1266     private void updateServerStatusIconNoRegularAuth(){
1267         mServerStatusIcon = R.drawable.common_error;
1268         mServerStatusText = R.string.auth_can_not_auth_against_server;
1269     }
1270
1271     /**
1272      * Processes the result of the request for and access token send
1273      * to an OAuth authorization server.
1274      *
1275      * @param result        Result of the operation.
1276      */
1277     private void onGetOAuthAccessTokenFinish(RemoteOperationResult result) {
1278         mOauth2GetAccessTokenOpId = -1;
1279         try {
1280             dismissDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
1281         } catch (IllegalArgumentException e) {
1282             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
1283         }
1284
1285         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
1286         if (result.isSuccess() && webdav_path != null) {
1287             /// be gentle with the user
1288             showDialog(DIALOG_LOGIN_PROGRESS);
1289
1290             /// time to test the retrieved access token on the ownCloud server
1291             @SuppressWarnings("unchecked")
1292             Map<String, String> tokens = (Map<String, String>)(result.getData().get(0));
1293             mAuthToken = tokens.get(OAuth2Constants.KEY_ACCESS_TOKEN);
1294             //mAuthToken = ((OAuth2GetAccessToken)operation).getResultTokenMap().get(OAuth2Constants.KEY_ACCESS_TOKEN);
1295             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1296
1297             String remotePath ="";
1298             boolean successIfAbsent = false;
1299             boolean followRedirects = true;
1300             startExistenceCheckRemoteOperation(remotePath, this, successIfAbsent, webdav_path, "", "", followRedirects);
1301
1302         } else {
1303             updateAuthStatusIconAndText(result);
1304             showAuthStatus();
1305             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1306         }
1307     }
1308
1309
1310     /**
1311      * Processes the result of the access check performed to try the user credentials.
1312      *
1313      * Creates a new account through the AccountManager.
1314      *
1315      * @param operation     Access check performed.
1316      * @param result        Result of the operation.
1317      */
1318     private void onAuthorizationCheckFinish(RemoteOperationResult result) {
1319         mExistenceCheckOpId = -1;
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             mServerInfoOperation = 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(true);
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 (boolean show) {
1614         if (show)  {
1615             mRefreshButton.setVisibility(View.VISIBLE);
1616         } else {
1617             mRefreshButton.setVisibility(View.GONE);
1618         }
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 (mGetServerInfoOpId != -1) {
1897             RemoteOperationResult result =
1898                     mOperationsServiceBinder.getOperationResultIfFinished(mGetServerInfoOpId);
1899             if (result != null) {
1900                 //Log_OC.wtf(TAG, "found result of operation finished while rotating");
1901                 onGetServerInfoFinish(result);
1902             }
1903
1904         } else if (mOauth2GetAccessTokenOpId != -1) {
1905             RemoteOperationResult result =
1906                     mOperationsServiceBinder.getOperationResultIfFinished(
1907                             mOauth2GetAccessTokenOpId);
1908             if (result != null) {
1909                 //Log_OC.wtf(TAG, "found result of operation finished while rotating");
1910                 onGetOAuthAccessTokenFinish(result);
1911             }
1912
1913         } else if (mExistenceCheckOpId != -1) {
1914             RemoteOperationResult result =
1915                     mOperationsServiceBinder.getOperationResultIfFinished(mExistenceCheckOpId);
1916             if (result != null) {
1917                 //Log_OC.wtf(TAG, "found result of operation finished while rotating");
1918                 if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(
1919                         MainApp.getAccountType()).equals(mAuthTokenType)) {
1920                     onSamlBasedFederatedSingleSignOnAuthorizationStart(result);
1921
1922                 } else {
1923                     onAuthorizationCheckFinish(result);
1924                 }
1925             }
1926         }
1927     }
1928
1929     /**
1930      * Implements callback methods for service binding.
1931      */
1932     private class OperationsServiceConnection implements ServiceConnection {
1933
1934         @Override
1935         public void onServiceConnected(ComponentName component, IBinder service) {
1936             if (component.equals(new ComponentName(AuthenticatorActivity.this, OperationsService.class))) {
1937                 //Log_OC.wtf(TAG, "Operations service connected");
1938                 mOperationsServiceBinder = (OperationsServiceBinder) service;
1939
1940                 doOnResumeAndBound();
1941
1942             } else {
1943                 return;
1944             }
1945
1946         }
1947
1948         @Override
1949         public void onServiceDisconnected(ComponentName component) {
1950             if (component.equals(new ComponentName(AuthenticatorActivity.this, OperationsService.class))) {
1951                 Log_OC.e(TAG, "Operations service crashed");
1952                 mOperationsServiceBinder = null;
1953             }
1954         }
1955
1956     }
1957
1958 }