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