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