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.view.KeyEvent;
  49 import android.view.MotionEvent;
  50 import android.view.View;
  51 import android.view.View.OnFocusChangeListener;
  52 import android.view.View.OnTouchListener;
  53 import android.view.Window;
  54 import android.view.inputmethod.EditorInfo;
  55 import android.webkit.SslErrorHandler;
  56 import android.widget.Button;
  57 import android.widget.CheckBox;
  58 import android.widget.EditText;
  59 import android.widget.TextView;
  60 import android.widget.TextView.OnEditorActionListener;
  61 import android.widget.Toast;
  62
  63 import com.actionbarsherlock.app.SherlockDialogFragment;
  64 import com.owncloud.android.MainApp;
  65 import com.owncloud.android.R;
  66 import com.owncloud.android.authentication.SsoWebViewClient.SsoWebViewClientListener;
  67 import com.owncloud.android.lib.common.accounts.AccountTypeUtils;
  68 import com.owncloud.android.lib.common.accounts.AccountUtils.Constants;
  69 import com.owncloud.android.lib.common.OwnCloudClientFactory;
  70 import com.owncloud.android.lib.common.OwnCloudClient;
  71 import com.owncloud.android.operations.DetectAuthenticationMethodOperation;
  72 import com.owncloud.android.operations.DetectAuthenticationMethodOperation.AuthenticationMethod;
  73 import com.owncloud.android.operations.OAuth2GetAccessToken;
  74
  75 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  76 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  77 import com.owncloud.android.lib.resources.status.GetRemoteStatusOperation;
  78 import com.owncloud.android.lib.common.operations.RemoteOperation;
  79 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  80 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  81 import com.owncloud.android.lib.resources.files.ExistenceCheckRemoteOperation;
  82 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  83
  84 import com.owncloud.android.services.OperationsService;
  85 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  86 import com.owncloud.android.ui.dialog.SamlWebViewDialog;
  87 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  88 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  89 import com.owncloud.android.utils.Log_OC;
  90 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  91
  92 /**
  93  * This Activity is used to add an ownCloud account to the App
  94  *
  95  * @author Bartek Przybylski
  96  * @author David A. Velasco
  97  */
  98 public class AuthenticatorActivity extends AccountAuthenticatorActivity
  99 implements  OnRemoteOperationListener, OnFocusChangeListener, OnEditorActionListener,
 100 SsoWebViewClientListener, OnSslUntrustedCertListener {
 101
 102     private static final String TAG = AuthenticatorActivity.class.getSimpleName();
 103
 104     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 105     public static final String EXTRA_USER_NAME = "USER_NAME";
 106     public static final String EXTRA_HOST_NAME = "HOST_NAME";
 107     public static final String EXTRA_ACTION = "ACTION";
 108     public static final String EXTRA_ENFORCED_UPDATE = "ENFORCE_UPDATE";
 109
 110     private static final String KEY_AUTH_MESSAGE_VISIBILITY = "AUTH_MESSAGE_VISIBILITY";
 111     private static final String KEY_AUTH_MESSAGE_TEXT = "AUTH_MESSAGE_TEXT";
 112     private static final String KEY_HOST_URL_TEXT = "HOST_URL_TEXT";
 113     private static final String KEY_OC_VERSION = "OC_VERSION";
 114     private static final String KEY_OC_VERSION_STRING = "OC_VERSION_STRING";
 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
 128     private static final String AUTH_ON = "on";
 129     private static final String AUTH_OFF = "off";
 130     private static final String AUTH_OPTIONAL = "optional";
 131
 132     private static final int DIALOG_LOGIN_PROGRESS = 0;
 133     private static final int DIALOG_CERT_NOT_SAVED = 1;
 134     private static final int DIALOG_OAUTH2_LOGIN_PROGRESS = 2;
 135
 136     public static final byte ACTION_CREATE = 0;
 137     public static final byte ACTION_UPDATE_TOKEN = 1;
 138
 139     private static final String TAG_SAML_DIALOG = "samlWebViewDialog";
 140
 141     private String mHostBaseUrl;
 142     private OwnCloudVersion mDiscoveredVersion;
 143
 144     private String mAuthMessageText;
 145     private int mAuthMessageVisibility, mServerStatusText, mServerStatusIcon;
 146     private boolean mServerIsChecked, mServerIsValid, mIsSslConn;
 147     private int mAuthStatusText, mAuthStatusIcon;
 148     private TextView mAuthStatusLayout;
 149
 150     private ServiceConnection mOperationsConnection = null;
 151     private OperationsServiceBinder mOperationsBinder = null;
 152
 153     private final Handler mHandler = new Handler();
 154     private Thread mOperationThread;
 155     private GetRemoteStatusOperation mOcServerChkOperation;
 156     private ExistenceCheckRemoteOperation mAuthCheckOperation;
 157
 158     private Uri mNewCapturedUriFromOAuth2Redirection;
 159
 160     private AccountManager mAccountMgr;
 161     private boolean mJustCreated;
 162     private byte mAction;
 163     private Account mAccount;
 164
 165     private TextView mAuthMessage;
 166
 167     private EditText mHostUrlInput;
 168     private boolean mHostUrlInputEnabled;
 169     private View mRefreshButton;
 170
 171     private String mAuthTokenType;
 172
 173     private EditText mUsernameInput;
 174     private EditText mPasswordInput;
 175
 176     private CheckBox mOAuth2Check;
 177
 178     private TextView mOAuthAuthEndpointText;
 179     private TextView mOAuthTokenEndpointText;
 180
 181     private SamlWebViewDialog mSamlDialog;
 182
 183     private View mOkButton;
 184
 185     private String mAuthToken;
 186
 187     private boolean mResumed; // Control if activity is resumed
 188
 189     public static String DIALOG_UNTRUSTED_CERT = "DIALOG_UNTRUSTED_CERT";
 190
 191     private ServiceConnection mOperationsServiceConnection = null;
 192
 193     private OperationsServiceBinder mOperationsServiceBinder = null;
 194
 195
 196     /**
 197      * {@inheritDoc}
 198      *
 199      * IMPORTANT ENTRY POINT 1: activity is shown to the user
 200      */
 201     @Override
 202     protected void onCreate(Bundle savedInstanceState) {
 203         super.onCreate(savedInstanceState);
 204         getWindow().requestFeature(Window.FEATURE_NO_TITLE);
 205
 206         // bind to Operations Service
 207         mOperationsConnection = new ServiceConnection() {
 208
 209             @Override
 210             public void onServiceConnected(ComponentName name, IBinder service) {
 211                 Log_OC.d(TAG, "Operations service connected");
 212                 mOperationsBinder = (OperationsServiceBinder) service;
 213             }
 214
 215             @Override
 216             public void onServiceDisconnected(ComponentName name) {
 217                 Log_OC.d(TAG, "Operations service crashed");
 218                 mOperationsBinder = null;
 219             }
 220
 221         };
 222         if (!bindService(new Intent(this, OperationsService.class),
 223                         mOperationsConnection,
 224                         Context.BIND_AUTO_CREATE)) {
 225             Toast.makeText(this,
 226                     R.string.error_cant_bind_to_operations_service,
 227                     Toast.LENGTH_LONG)
 228                         .show();
 229             finish();
 230         }
 231
 232         /// set view and get references to view elements
 233         setContentView(R.layout.account_setup);
 234         mAuthMessage = (TextView) findViewById(R.id.auth_message);
 235         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 236         mHostUrlInput.setText(getString(R.string.server_url));  // valid although R.string.server_url is an empty string
 237         mUsernameInput = (EditText) findViewById(R.id.account_username);
 238         mPasswordInput = (EditText) findViewById(R.id.account_password);
 239         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 240         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 241         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 242         mOkButton = findViewById(R.id.buttonOK);
 243         mAuthStatusLayout = (TextView) findViewById(R.id.auth_status_text);
 244
 245         /// set Host Url Input Enabled
 246         mHostUrlInputEnabled = getResources().getBoolean(R.bool.show_server_url_input);
 247
 248         /// set visibility of link for new users
 249         boolean accountRegisterVisibility = getResources().getBoolean(R.bool.show_welcome_link);
 250         Button welcomeLink = (Button) findViewById(R.id.welcome_link);
 251         if (welcomeLink != null) {
 252             if (accountRegisterVisibility) {
 253                 welcomeLink.setVisibility(View.VISIBLE);
 254                 welcomeLink.setText(String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 255             } else {
 256                 findViewById(R.id.welcome_link).setVisibility(View.GONE);
 257             }
 258         }
 259
 260         /// initialization
 261         mAccountMgr = AccountManager.get(this);
 262         mNewCapturedUriFromOAuth2Redirection = null;
 263         mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE);
 264         mAccount = null;
 265         mHostBaseUrl = "";
 266         boolean refreshButtonEnabled = false;
 267
 268         // URL input configuration applied
 269         if (!mHostUrlInputEnabled)
 270         {
 271             findViewById(R.id.hostUrlFrame).setVisibility(View.GONE);
 272             mRefreshButton = findViewById(R.id.centeredRefreshButton);
 273
 274         } else {
 275             mRefreshButton = findViewById(R.id.embeddedRefreshButton);
 276         }
 277
 278         if (savedInstanceState == null) {
 279             mResumed = false;
 280             /// connection state and info
 281             mAuthMessageVisibility = View.GONE;
 282             mServerStatusText = mServerStatusIcon = 0;
 283             mServerIsValid = false;
 284             mServerIsChecked = false;
 285             mIsSslConn = false;
 286             mAuthStatusText = mAuthStatusIcon = 0;
 287
 288             /// retrieve extras from intent
 289             mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 290             if (mAccount != null) {
 291                 String ocVersion = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION);
 292                 String ocVersionString = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION_STRING);
 293                 if (ocVersion != null) {
 294                     mDiscoveredVersion = new OwnCloudVersion(ocVersion, ocVersionString);
 295                 }
 296                 mHostBaseUrl = normalizeUrl(mAccountMgr.getUserData(mAccount, Constants.KEY_OC_BASE_URL));
 297                 mHostUrlInput.setText(mHostBaseUrl);
 298                 String userName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 299                 mUsernameInput.setText(userName);
 300
 301             }
 302             initAuthorizationMethod();  // checks intent and setup.xml to determine mCurrentAuthorizationMethod
 303             mJustCreated = true;
 304
 305             if (mAction == ACTION_UPDATE_TOKEN || !mHostUrlInputEnabled) {
 306                 checkOcServer();
 307             }
 308
 309         } else {
 310             mResumed = true;
 311             /// connection state and info
 312             mAuthMessageVisibility = savedInstanceState.getInt(KEY_AUTH_MESSAGE_VISIBILITY);
 313             mAuthMessageText = savedInstanceState.getString(KEY_AUTH_MESSAGE_TEXT);
 314             mServerIsValid = savedInstanceState.getBoolean(KEY_SERVER_VALID);
 315             mServerIsChecked = savedInstanceState.getBoolean(KEY_SERVER_CHECKED);
 316             mServerStatusText = savedInstanceState.getInt(KEY_SERVER_STATUS_TEXT);
 317             mServerStatusIcon = savedInstanceState.getInt(KEY_SERVER_STATUS_ICON);
 318             mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 319             mAuthStatusText = savedInstanceState.getInt(KEY_AUTH_STATUS_TEXT);
 320             mAuthStatusIcon = savedInstanceState.getInt(KEY_AUTH_STATUS_ICON);
 321             if (savedInstanceState.getBoolean(KEY_PASSWORD_VISIBLE, false)) {
 322                 showPassword();
 323             }
 324
 325             /// server data
 326             String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 327             String ocVersionString = savedInstanceState.getString(KEY_OC_VERSION_STRING);
 328             if (ocVersion != null) {
 329                 mDiscoveredVersion = new OwnCloudVersion(ocVersion, ocVersionString);
 330             }
 331             mHostBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 332
 333             // account data, if updating
 334             mAccount = savedInstanceState.getParcelable(KEY_ACCOUNT);
 335             mAuthTokenType = savedInstanceState.getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 336             if (mAuthTokenType == null) {
 337                 mAuthTokenType =  AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 338
 339             }
 340
 341             // check if server check was interrupted by a configuration change
 342             if (savedInstanceState.getBoolean(KEY_SERVER_CHECK_IN_PROGRESS, false)) {
 343                 checkOcServer();
 344             }
 345
 346             // refresh button enabled
 347             refreshButtonEnabled = savedInstanceState.getBoolean(KEY_REFRESH_BUTTON_ENABLED);
 348
 349
 350         }
 351
 352         if (mAuthMessageVisibility== View.VISIBLE) {
 353             showAuthMessage(mAuthMessageText);
 354         }
 355         else {
 356             hideAuthMessage();
 357         }
 358         adaptViewAccordingToAuthenticationMethod();
 359         showServerStatus();
 360         showAuthStatus();
 361
 362         if (mAction == ACTION_UPDATE_TOKEN) {
 363             /// lock things that should not change
 364             mHostUrlInput.setEnabled(false);
 365             mHostUrlInput.setFocusable(false);
 366             mUsernameInput.setEnabled(false);
 367             mUsernameInput.setFocusable(false);
 368             mOAuth2Check.setVisibility(View.GONE);
 369         }
 370
 371         //if (mServerIsChecked && !mServerIsValid && mRefreshButtonEnabled) showRefreshButton();
 372         if (mServerIsChecked && !mServerIsValid && refreshButtonEnabled) showRefreshButton();
 373         mOkButton.setEnabled(mServerIsValid); // state not automatically recovered in configuration changes
 374
 375         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) ||
 376                 !AUTH_OPTIONAL.equals(getString(R.string.auth_method_oauth2))) {
 377             mOAuth2Check.setVisibility(View.GONE);
 378         }
 379
 380         mPasswordInput.setText("");     // clean password to avoid social hacking (disadvantage: password in removed if the device is turned aside)
 381
 382         /// bind view elements to listeners and other friends
 383         mHostUrlInput.setOnFocusChangeListener(this);
 384         mHostUrlInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 385         mHostUrlInput.setOnEditorActionListener(this);
 386         mHostUrlInput.addTextChangedListener(new TextWatcher() {
 387
 388             @Override
 389             public void afterTextChanged(Editable s) {
 390                 if (!mHostBaseUrl.equals(normalizeUrl(mHostUrlInput.getText().toString()))) {
 391                     mOkButton.setEnabled(false);
 392                 }
 393             }
 394
 395             @Override
 396             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 397             }
 398
 399             @Override
 400             public void onTextChanged(CharSequence s, int start, int before, int count) {
 401                 if (!mResumed) {
 402                     mAuthStatusIcon = 0;
 403                     mAuthStatusText = 0;
 404                     showAuthStatus();
 405                 }
 406                 mResumed = false;
 407             }
 408         });
 409
 410         mPasswordInput.setOnFocusChangeListener(this);
 411         mPasswordInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
 412         mPasswordInput.setOnEditorActionListener(this);
 413         mPasswordInput.setOnTouchListener(new RightDrawableOnTouchListener() {
 414             @Override
 415             public boolean onDrawableTouch(final MotionEvent event) {
 416                 if (event.getAction() == MotionEvent.ACTION_UP) {
 417                     AuthenticatorActivity.this.onViewPasswordClick();
 418                 }
 419                 return true;
 420             }
 421         });
 422
 423         findViewById(R.id.scroll).setOnTouchListener(new OnTouchListener() {
 424             @Override
 425             public boolean onTouch(View view, MotionEvent event) {
 426                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 427                     if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
 428                             mHostUrlInput.hasFocus()) {
 429                         checkOcServer();
 430                     }
 431                 }
 432                 return false;
 433             }
 434         });
 435
 436         mOperationsServiceConnection = new OperationsServiceConnection();
 437         bindService(new Intent(this, OperationsService.class), mOperationsServiceConnection, Context.BIND_AUTO_CREATE);
 438     }
 439
 440
 441
 442     private void initAuthorizationMethod() {
 443         boolean oAuthRequired = false;
 444         boolean samlWebSsoRequired = false;
 445
 446         mAuthTokenType = getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 447         mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 448
 449         // TODO could be a good moment to validate the received token type, if not null
 450
 451         if (mAuthTokenType == null) {
 452             if (mAccount != null) {
 453                 /// same authentication method than the one used to create the account to update
 454                 oAuthRequired = (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2) != null);
 455                 samlWebSsoRequired = (mAccountMgr.getUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO) != null);
 456
 457             } else {
 458                 /// use the one set in setup.xml
 459                 oAuthRequired = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
 460                 samlWebSsoRequired = AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));
 461             }
 462             if (oAuthRequired) {
 463                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
 464             } else if (samlWebSsoRequired) {
 465                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 466             } else {
 467                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 468             }
 469         }
 470
 471         if (mAccount != null) {
 472             String userName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 473             mUsernameInput.setText(userName);
 474         }
 475
 476         mOAuth2Check.setChecked(AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType));
 477
 478     }
 479
 480     /**
 481      * Saves relevant state before {@link #onPause()}
 482      *
 483      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag, intended to defer the
 484      * processing of the redirection caught in {@link #onNewIntent(Intent)} until {@link #onResume()}
 485      *
 486      * See {@link #loadSavedInstanceState(Bundle)}
 487      */
 488     @Override
 489     protected void onSaveInstanceState(Bundle outState) {
 490         super.onSaveInstanceState(outState);
 491
 492         /// connection state and info
 493         outState.putInt(KEY_AUTH_MESSAGE_VISIBILITY, mAuthMessage.getVisibility());
 494         outState.putString(KEY_AUTH_MESSAGE_TEXT, mAuthMessage.getText().toString());
 495         outState.putInt(KEY_SERVER_STATUS_TEXT, mServerStatusText);
 496         outState.putInt(KEY_SERVER_STATUS_ICON, mServerStatusIcon);
 497         outState.putBoolean(KEY_SERVER_VALID, mServerIsValid);
 498         outState.putBoolean(KEY_SERVER_CHECKED, mServerIsChecked);
 499         outState.putBoolean(KEY_SERVER_CHECK_IN_PROGRESS, (!mServerIsValid && mOcServerChkOperation != null));
 500         outState.putBoolean(KEY_IS_SSL_CONN, mIsSslConn);
 501         outState.putBoolean(KEY_PASSWORD_VISIBLE, isPasswordVisible());
 502         outState.putInt(KEY_AUTH_STATUS_ICON, mAuthStatusIcon);
 503         outState.putInt(KEY_AUTH_STATUS_TEXT, mAuthStatusText);
 504
 505         /// server data
 506         if (mDiscoveredVersion != null) {
 507             outState.putString(KEY_OC_VERSION, mDiscoveredVersion.getVersion());
 508             outState.putString(KEY_OC_VERSION_STRING, mDiscoveredVersion.getVersionString());
 509         }
 510         outState.putString(KEY_HOST_URL_TEXT, mHostBaseUrl);
 511
 512         /// account data, if updating
 513         if (mAccount != null) {
 514             outState.putParcelable(KEY_ACCOUNT, mAccount);
 515         }
 516         outState.putString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE, mAuthTokenType);
 517
 518         // refresh button enabled
 519         outState.putBoolean(KEY_REFRESH_BUTTON_ENABLED, (mRefreshButton.getVisibility() == View.VISIBLE));
 520
 521     }
 522
 523
 524     /**
 525      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION request
 526      * is caught here.
 527      *
 528      * To make this possible, this activity needs to be qualified with android:launchMode = "singleTask" in the
 529      * AndroidManifest.xml file.
 530      */
 531     @Override
 532     protected void onNewIntent (Intent intent) {
 533         Log_OC.d(TAG, "onNewIntent()");
 534         Uri data = intent.getData();
 535         if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) {
 536             mNewCapturedUriFromOAuth2Redirection = data;
 537         }
 538     }
 539
 540
 541     @Override
 542     protected void onStart() {
 543         if (mOperationsServiceBinder != null) {
 544             mOperationsServiceBinder.addOperationListener(AuthenticatorActivity.this, mHandler);
 545         }
 546
 547         super.onStart();
 548     }
 549
 550
 551     @Override
 552     protected void onStop() {
 553         if (mOperationsServiceBinder != null) {
 554             mOperationsServiceBinder.removeOperationListener(this);
 555         }
 556         super.onStop();
 557     }
 558
 559
 560
 561     /**
 562      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION, and
 563      * deferred in {@link #onNewIntent(Intent)}, is processed here.
 564      */
 565     @Override
 566     protected void onResume() {
 567         super.onResume();
 568         if (mAction == ACTION_UPDATE_TOKEN && mJustCreated && getIntent().getBooleanExtra(EXTRA_ENFORCED_UPDATE, false)) {
 569             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 570                 //Toast.makeText(this, R.string.auth_expired_oauth_token_toast, Toast.LENGTH_LONG).show();
 571                 showAuthMessage(getString(R.string.auth_expired_oauth_token_toast));
 572             } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 573                 //Toast.makeText(this, R.string.auth_expired_saml_sso_token_toast, Toast.LENGTH_LONG).show();
 574                 showAuthMessage(getString(R.string.auth_expired_saml_sso_token_toast));
 575             } else {
 576                 //Toast.makeText(this, R.string.auth_expired_basic_auth_toast, Toast.LENGTH_LONG).show();
 577                 showAuthMessage(getString(R.string.auth_expired_basic_auth_toast));
 578             }
 579         }
 580
 581         if (mNewCapturedUriFromOAuth2Redirection != null) {
 582             getOAuth2AccessTokenFromCapturedRedirection();
 583         }
 584
 585         mJustCreated = false;
 586
 587     }
 588
 589
 590     @Override
 591     protected void onDestroy() {
 592         if (mOperationsConnection != null) {
 593             unbindService(mOperationsConnection);
 594             mOperationsBinder = null;
 595         }
 596         super.onDestroy();
 597     }
 598
 599
 600     /**
 601      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 602      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 603      */
 604     private void getOAuth2AccessTokenFromCapturedRedirection() {
 605         /// Parse data from OAuth redirection
 606         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 607         mNewCapturedUriFromOAuth2Redirection = null;
 608
 609         /// Showing the dialog with instructions for the user.
 610         showDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
 611
 612         /// GET ACCESS TOKEN to the oAuth server
 613         RemoteOperation operation = new OAuth2GetAccessToken(   getString(R.string.oauth2_client_id),
 614                 getString(R.string.oauth2_redirect_uri),
 615                 getString(R.string.oauth2_grant_type),
 616                 queryParameters);
 617         //OwnCloudClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(getString(R.string.oauth2_url_endpoint_access)), getApplicationContext());
 618         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mOAuthTokenEndpointText.getText().toString().trim()), getApplicationContext(), true);
 619         operation.execute(client, this, mHandler);
 620     }
 621
 622
 623
 624     /**
 625      * Handles the change of focus on the text inputs for the server URL and the password
 626      */
 627     public void onFocusChange(View view, boolean hasFocus) {
 628         if (view.getId() == R.id.hostUrlInput) {
 629             if (!hasFocus) {
 630                 onUrlInputFocusLost((TextView) view);
 631             }
 632             else {
 633                 hideRefreshButton();
 634             }
 635
 636         } else if (view.getId() == R.id.account_password) {
 637             onPasswordFocusChanged((TextView) view, hasFocus);
 638         }
 639     }
 640
 641
 642     /**
 643      * Handles changes in focus on the text input for the server URL.
 644      *
 645      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 646      * other field. The operation to check the existence of the server in the entered URL is
 647      * started.
 648      *
 649      * When hasFocus:    user 'comes back' to write again the server URL.
 650      *
 651      * @param hostInput     TextView with the URL input field receiving the change of focus.
 652      */
 653     private void onUrlInputFocusLost(TextView hostInput) {
 654         if (!mHostBaseUrl.equals(normalizeUrl(mHostUrlInput.getText().toString()))) {
 655             checkOcServer();
 656         } else {
 657             mOkButton.setEnabled(mServerIsValid);
 658             if (!mServerIsValid) {
 659                 showRefreshButton();
 660             }
 661         }
 662     }
 663
 664
 665     private void checkOcServer() {
 666         String uri = trimUrlWebdav(mHostUrlInput.getText().toString().trim());
 667
 668         if (!mHostUrlInputEnabled){
 669             uri = getString(R.string.server_url);
 670         }
 671
 672         mServerIsValid = false;
 673         mServerIsChecked = false;
 674         mOkButton.setEnabled(false);
 675         mDiscoveredVersion = null;
 676         hideRefreshButton();
 677         if (uri.length() != 0) {
 678             mServerStatusText = R.string.auth_testing_connection;
 679             mServerStatusIcon = R.drawable.progress_small;
 680             showServerStatus();
 681             mOcServerChkOperation = new  GetRemoteStatusOperation(uri, this);
 682             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(uri), this, true);
 683             mOperationThread = mOcServerChkOperation.execute(client, this, mHandler);
 684         } else {
 685             mServerStatusText = 0;
 686             mServerStatusIcon = 0;
 687             showServerStatus();
 688         }
 689     }
 690
 691
 692     /**
 693      * Handles changes in focus on the text input for the password (basic authorization).
 694      *
 695      * When (hasFocus), the button to toggle password visibility is shown.
 696      *
 697      * When (!hasFocus), the button is made invisible and the password is hidden.
 698      *
 699      * @param passwordInput    TextView with the password input field receiving the change of focus.
 700      * @param hasFocus          'True' if focus is received, 'false' if is lost
 701      */
 702     private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {
 703         if (hasFocus) {
 704             showViewPasswordButton();
 705         } else {
 706             hidePassword();
 707             hidePasswordButton();
 708         }
 709     }
 710
 711
 712     private void showViewPasswordButton() {
 713         //int drawable = android.R.drawable.ic_menu_view;
 714         int drawable = R.drawable.ic_view;
 715         if (isPasswordVisible()) {
 716             //drawable = android.R.drawable.ic_secure;
 717             drawable = R.drawable.ic_hide;
 718         }
 719         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 720     }
 721
 722     private boolean isPasswordVisible() {
 723         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 724     }
 725
 726     private void hidePasswordButton() {
 727         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 728     }
 729
 730     private void showPassword() {
 731         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 732         showViewPasswordButton();
 733     }
 734
 735     private void hidePassword() {
 736         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
 737         showViewPasswordButton();
 738     }
 739
 740
 741     /**
 742      * Cancels the authenticator activity
 743      *
 744      * IMPORTANT ENTRY POINT 3: Never underestimate the importance of cancellation
 745      *
 746      * This method is bound in the layout/acceoun_setup.xml resource file.
 747      *
 748      * @param view      Cancel button
 749      */
 750     public void onCancelClick(View view) {
 751         setResult(RESULT_CANCELED);     // TODO review how is this related to AccountAuthenticator (debugging)
 752         finish();
 753     }
 754
 755
 756
 757     /**
 758      * Checks the credentials of the user in the root of the ownCloud server
 759      * before creating a new local account.
 760      *
 761      * For basic authorization, a check of existence of the root folder is
 762      * performed.
 763      *
 764      * For OAuth, starts the flow to get an access token; the credentials test
 765      * is postponed until it is available.
 766      *
 767      * IMPORTANT ENTRY POINT 4
 768      *
 769      * @param view      OK button
 770      */
 771     public void onOkClick(View view) {
 772         // this check should be unnecessary
 773         if (mDiscoveredVersion == null || !mDiscoveredVersion.isVersionValid()  || mHostBaseUrl == null || mHostBaseUrl.length() == 0) {
 774             mServerStatusIcon = R.drawable.common_error;
 775             mServerStatusText = R.string.auth_wtf_reenter_URL;
 776             showServerStatus();
 777             mOkButton.setEnabled(false);
 778             Log_OC.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");
 779             return;
 780         }
 781
 782         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 783             startOauthorization();
 784         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 785             startSamlBasedFederatedSingleSignOnAuthorization();
 786         } else {
 787             checkBasicAuthorization();
 788         }
 789     }
 790
 791
 792     /**
 793      * Tests the credentials entered by the user performing a check of existence on
 794      * the root folder of the ownCloud server.
 795      */
 796     private void checkBasicAuthorization() {
 797         /// get the path to the root folder through WebDAV from the version server
 798         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 799
 800         /// get basic credentials entered by user
 801         String username = mUsernameInput.getText().toString();
 802         String password = mPasswordInput.getText().toString();
 803
 804         /// be gentle with the user
 805         showDialog(DIALOG_LOGIN_PROGRESS);
 806
 807         /// test credentials accessing the root folder
 808         mAuthCheckOperation = new  ExistenceCheckRemoteOperation("", this, false);
 809         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, true);
 810         client.setBasicCredentials(username, password);
 811         mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
 812     }
 813
 814
 815     /**
 816      * Starts the OAuth 'grant type' flow to get an access token, with
 817      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 818      */
 819     private void startOauthorization() {
 820         // be gentle with the user
 821         mAuthStatusIcon = R.drawable.progress_small;
 822         mAuthStatusText = R.string.oauth_login_connection;
 823         showAuthStatus();
 824
 825
 826         // GET AUTHORIZATION request
 827         //Uri uri = Uri.parse(getString(R.string.oauth2_url_endpoint_auth));
 828         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 829         Uri.Builder uriBuilder = uri.buildUpon();
 830         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type));
 831         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri));
 832         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id));
 833         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope));
 834         //uriBuilder.appendQueryParameter(OAuth2Constants.KEY_STATE, whateverwewant);
 835         uri = uriBuilder.build();
 836         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 837         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 838         startActivity(i);
 839     }
 840
 841
 842     /**
 843      * Starts the Web Single Sign On flow to get access to the root folder
 844      * in the server.
 845      */
 846     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 847         // be gentle with the user
 848         mAuthStatusIcon = R.drawable.progress_small;
 849         mAuthStatusText = R.string.auth_connecting_auth_server;
 850         showAuthStatus();
 851         showDialog(DIALOG_LOGIN_PROGRESS);
 852
 853         /// get the path to the root folder through WebDAV from the version server
 854         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 855
 856         /// test credentials accessing the root folder
 857         mAuthCheckOperation = new  ExistenceCheckRemoteOperation("", this, false);
 858         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, false);
 859         mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
 860
 861     }
 862
 863     /**
 864      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 865      *
 866      * Dispatches the operation flow to the right method.
 867      */
 868     @Override
 869     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 870
 871         if (operation instanceof GetRemoteStatusOperation) {
 872             onOcServerCheckFinish((GetRemoteStatusOperation) operation, result);
 873
 874         } else if (operation instanceof OAuth2GetAccessToken) {
 875             onGetOAuthAccessTokenFinish((OAuth2GetAccessToken)operation, result);
 876
 877         } else if (operation instanceof ExistenceCheckRemoteOperation)  {
 878             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 879                 onSamlBasedFederatedSingleSignOnAuthorizationStart(operation, result);
 880
 881             } else {
 882                 onAuthorizationCheckFinish((ExistenceCheckRemoteOperation)operation, result);
 883             }
 884         } else if (operation instanceof GetRemoteUserNameOperation) {
 885             onGetUserNameFinish((GetRemoteUserNameOperation) operation, result);
 886
 887         } else if (operation instanceof DetectAuthenticationMethodOperation) {
 888             onDetectAutheticationFinish((DetectAuthenticationMethodOperation) operation, result);
 889         }
 890
 891     }
 892
 893     private void onDetectAutheticationFinish(DetectAuthenticationMethodOperation operation, RemoteOperationResult result) {
 894         // Read authentication method
 895         if (result.getData().size() > 0) {
 896             AuthenticationMethod authMethod = (AuthenticationMethod) result.getData().get(0);
 897             String basic = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 898             String oAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
 899             String saml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 900
 901             if ( ( mAuthTokenType.equals(basic) && !authMethod.equals(AuthenticationMethod.BASIC_HTTP_AUTH) ) ||
 902                     ( mAuthTokenType.equals(oAuth) && !authMethod.equals(AuthenticationMethod.BEARER_TOKEN) ) ||
 903                     ( mAuthTokenType.equals(saml)  && !authMethod.equals(AuthenticationMethod.SAML_WEB_SSO) ) ) {
 904
 905                 mOkButton.setEnabled(false);
 906                 mServerIsValid = false;
 907                 //show an alert message ( Server Status )
 908                 updateServerStatusIconNoRegularAuth();
 909                 showServerStatus();
 910
 911             } else {
 912                 mOkButton.setEnabled(true);
 913
 914                 // Show server status
 915                 showServerStatus();
 916             }
 917
 918         }
 919     }
 920
 921
 922
 923     private void onGetUserNameFinish(GetRemoteUserNameOperation operation, RemoteOperationResult result) {
 924
 925         if (result.isSuccess()) {
 926             boolean success = false;
 927             String username = operation.getUserName();
 928
 929             if ( mAction == ACTION_CREATE) {
 930                 mUsernameInput.setText(username);
 931                 success = createAccount();
 932             } else {
 933
 934                 if (!mUsernameInput.getText().toString().equals(username)) {
 935                     // fail - not a new account, but an existing one; disallow
 936                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
 937                     updateAuthStatusIconAndText(result);
 938                     showAuthStatus();
 939                     Log_OC.d(TAG, result.getLogMessage());
 940                 } else {
 941                     updateToken();
 942                     success = true;
 943                 }
 944             }
 945
 946             if (success)
 947                 finish();
 948         } else {
 949             updateStatusIconFailUserName();
 950             showAuthStatus();
 951             Log_OC.e(TAG, "Access to user name failed: " + result.getLogMessage());
 952         }
 953
 954     }
 955
 956     private void onSamlBasedFederatedSingleSignOnAuthorizationStart(RemoteOperation operation, RemoteOperationResult result) {
 957         try {
 958             dismissDialog(DIALOG_LOGIN_PROGRESS);
 959         } catch (IllegalArgumentException e) {
 960             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
 961         }
 962
 963         //if (result.isTemporalRedirection() && result.isIdPRedirection()) {
 964         if (result.isIdPRedirection()) {
 965             String url = result.getRedirectedLocation();
 966             String targetUrl = mHostBaseUrl + AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 967
 968             // Show dialog
 969             mSamlDialog = SamlWebViewDialog.newInstance(url, targetUrl);
 970             mSamlDialog.show(getSupportFragmentManager(), TAG_SAML_DIALOG);
 971
 972             mAuthStatusIcon = 0;
 973             mAuthStatusText = 0;
 974
 975         } else {
 976             mAuthStatusIcon = R.drawable.common_error;
 977             mAuthStatusText = R.string.auth_unsupported_auth_method;
 978
 979         }
 980         showAuthStatus();
 981     }
 982
 983
 984     /**
 985      * Processes the result of the server check performed when the user finishes the enter of the
 986      * server URL.
 987      *
 988      * @param operation     Server check performed.
 989      * @param result        Result of the check.
 990      */
 991     private void onOcServerCheckFinish(GetRemoteStatusOperation operation, RemoteOperationResult result) {
 992         if (operation.equals(mOcServerChkOperation)) {
 993             /// save result state
 994             mServerIsChecked = true;
 995             mServerIsValid = result.isSuccess();
 996             mIsSslConn = (result.getCode() == ResultCode.OK_SSL);
 997             mOcServerChkOperation = null;
 998
 999
1000             /// retrieve discovered version and normalize server URL
1001             mDiscoveredVersion = operation.getDiscoveredVersion();
1002             mHostBaseUrl = normalizeUrl(mHostUrlInput.getText().toString());
1003
1004             // Refresh server status, but don't show it
1005             updateServerStatusIconAndText(result);
1006
1007             /// update status icon and text
1008             if (mServerIsValid) {
1009                 hideRefreshButton();
1010                 // Try to create an account with user and pass "", to know if it is a regular server
1011                 // Update connect button in the answer of this method
1012                 detectAuthorizationMethod();
1013             } else {
1014                 showRefreshButton();
1015                 // Show server status
1016                 showServerStatus();
1017             }
1018
1019             /// very special case (TODO: move to a common place for all the remote operations)
1020             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1021                 showUntrustedCertDialog(result);
1022             }
1023
1024
1025         }   // else nothing ; only the last check operation is considered;
1026         // multiple can be triggered if the user amends a URL before a previous check can be triggered
1027     }
1028
1029
1030     /**
1031      *  Try to access with  user/pass ""/"", to know if it is a regular server
1032      */
1033     private void detectAuthorizationMethod() {
1034
1035         Log_OC.d(TAG, "Trying empty authorization to detect authentication method");
1036
1037         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
1038
1039         /// test credentials
1040         Intent service = new Intent(this, OperationsService.class);
1041         service.setAction(OperationsService.ACTION_DETECT_AUTHENTICATION_METHOD);
1042         service.putExtra(OperationsService.EXTRA_SERVER_URL, mHostBaseUrl);
1043         service.putExtra(OperationsService.EXTRA_WEBDAV_PATH, webdav_path);
1044         startService(service);
1045     }
1046
1047
1048     private String normalizeUrl(String url) {
1049         if (url != null && url.length() > 0) {
1050             url = url.trim();
1051             if (!url.toLowerCase().startsWith("http://") &&
1052                     !url.toLowerCase().startsWith("https://")) {
1053                 if (mIsSslConn) {
1054                     url = "https://" + url;
1055                 } else {
1056                     url = "http://" + url;
1057                 }
1058             }
1059
1060             // OC-208: Add suffix remote.php/webdav to normalize (OC-34)
1061             url = trimUrlWebdav(url);
1062
1063             if (url.endsWith("/")) {
1064                 url = url.substring(0, url.length() - 1);
1065             }
1066
1067         }
1068         return (url != null ? url : "");
1069     }
1070
1071
1072     private String trimUrlWebdav(String url){
1073         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){
1074             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length());
1075         } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){
1076             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length());
1077         } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){
1078             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length());
1079         }
1080         return (url != null ? url : "");
1081     }
1082
1083
1084     /**
1085      * Chooses the right icon and text to show to the user for the received operation result.
1086      *
1087      * @param result    Result of a remote operation performed in this activity
1088      */
1089     private void updateServerStatusIconAndText(RemoteOperationResult result) {
1090         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1091
1092         switch (result.getCode()) {
1093         case OK_SSL:
1094             mServerStatusIcon = android.R.drawable.ic_secure;
1095             mServerStatusText = R.string.auth_secure_connection;
1096             break;
1097
1098         case OK_NO_SSL:
1099         case OK:
1100             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1101                 mServerStatusText = R.string.auth_connection_established;
1102                 mServerStatusIcon = R.drawable.ic_ok;
1103             } else {
1104                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1105                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
1106             }
1107             break;
1108
1109         case NO_NETWORK_CONNECTION:
1110             mServerStatusIcon = R.drawable.no_network;
1111             mServerStatusText = R.string.auth_no_net_conn_title;
1112             break;
1113
1114         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1115             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1116             break;
1117         case BAD_OC_VERSION:
1118             mServerStatusText = R.string.auth_bad_oc_version_title;
1119             break;
1120         case WRONG_CONNECTION:
1121             mServerStatusText = R.string.auth_wrong_connection_title;
1122             break;
1123         case TIMEOUT:
1124             mServerStatusText = R.string.auth_timeout_title;
1125             break;
1126         case INCORRECT_ADDRESS:
1127             mServerStatusText = R.string.auth_incorrect_address_title;
1128             break;
1129         case SSL_ERROR:
1130             mServerStatusText = R.string.auth_ssl_general_error_title;
1131             break;
1132         case UNAUTHORIZED:
1133             mServerStatusText = R.string.auth_unauthorized;
1134             break;
1135         case HOST_NOT_AVAILABLE:
1136             mServerStatusText = R.string.auth_unknown_host_title;
1137             break;
1138         case INSTANCE_NOT_CONFIGURED:
1139             mServerStatusText = R.string.auth_not_configured_title;
1140             break;
1141         case FILE_NOT_FOUND:
1142             mServerStatusText = R.string.auth_incorrect_path_title;
1143             break;
1144         case OAUTH2_ERROR:
1145             mServerStatusText = R.string.auth_oauth_error;
1146             break;
1147         case OAUTH2_ERROR_ACCESS_DENIED:
1148             mServerStatusText = R.string.auth_oauth_error_access_denied;
1149             break;
1150         case UNHANDLED_HTTP_CODE:
1151         case UNKNOWN_ERROR:
1152             mServerStatusText = R.string.auth_unknown_error_title;
1153             break;
1154         default:
1155             mServerStatusText = 0;
1156             mServerStatusIcon = 0;
1157         }
1158     }
1159
1160
1161     /**
1162      * Chooses the right icon and text to show to the user for the received operation result.
1163      *
1164      * @param result    Result of a remote operation performed in this activity
1165      */
1166     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1167         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1168
1169         switch (result.getCode()) {
1170         case OK_SSL:
1171             mAuthStatusIcon = android.R.drawable.ic_secure;
1172             mAuthStatusText = R.string.auth_secure_connection;
1173             break;
1174
1175         case OK_NO_SSL:
1176         case OK:
1177             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1178                 mAuthStatusText = R.string.auth_connection_established;
1179                 mAuthStatusIcon = R.drawable.ic_ok;
1180             } else {
1181                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1182                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
1183             }
1184             break;
1185
1186         case NO_NETWORK_CONNECTION:
1187             mAuthStatusIcon = R.drawable.no_network;
1188             mAuthStatusText = R.string.auth_no_net_conn_title;
1189             break;
1190
1191         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1192             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1193             break;
1194         case BAD_OC_VERSION:
1195             mAuthStatusText = R.string.auth_bad_oc_version_title;
1196             break;
1197         case WRONG_CONNECTION:
1198             mAuthStatusText = R.string.auth_wrong_connection_title;
1199             break;
1200         case TIMEOUT:
1201             mAuthStatusText = R.string.auth_timeout_title;
1202             break;
1203         case INCORRECT_ADDRESS:
1204             mAuthStatusText = R.string.auth_incorrect_address_title;
1205             break;
1206         case SSL_ERROR:
1207             mAuthStatusText = R.string.auth_ssl_general_error_title;
1208             break;
1209         case UNAUTHORIZED:
1210             mAuthStatusText = R.string.auth_unauthorized;
1211             break;
1212         case HOST_NOT_AVAILABLE:
1213             mAuthStatusText = R.string.auth_unknown_host_title;
1214             break;
1215         case INSTANCE_NOT_CONFIGURED:
1216             mAuthStatusText = R.string.auth_not_configured_title;
1217             break;
1218         case FILE_NOT_FOUND:
1219             mAuthStatusText = R.string.auth_incorrect_path_title;
1220             break;
1221         case OAUTH2_ERROR:
1222             mAuthStatusText = R.string.auth_oauth_error;
1223             break;
1224         case OAUTH2_ERROR_ACCESS_DENIED:
1225             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1226             break;
1227         case ACCOUNT_NOT_NEW:
1228             mAuthStatusText = R.string.auth_account_not_new;
1229             break;
1230         case ACCOUNT_NOT_THE_SAME:
1231             mAuthStatusText = R.string.auth_account_not_the_same;
1232             break;
1233         case UNHANDLED_HTTP_CODE:
1234         case UNKNOWN_ERROR:
1235             mAuthStatusText = R.string.auth_unknown_error_title;
1236             break;
1237         default:
1238             mAuthStatusText = 0;
1239             mAuthStatusIcon = 0;
1240         }
1241     }
1242
1243
1244     private void updateStatusIconFailUserName(){
1245         mAuthStatusIcon = R.drawable.common_error;
1246         mAuthStatusText = R.string.auth_fail_get_user_name;
1247     }
1248
1249     private void updateServerStatusIconNoRegularAuth(){
1250         mServerStatusIcon = R.drawable.common_error;
1251         mServerStatusText = R.string.auth_can_not_auth_against_server;
1252     }
1253
1254     /**
1255      * Processes the result of the request for and access token send
1256      * to an OAuth authorization server.
1257      *
1258      * @param operation     Operation performed requesting the access token.
1259      * @param result        Result of the operation.
1260      */
1261     private void onGetOAuthAccessTokenFinish(OAuth2GetAccessToken operation, RemoteOperationResult result) {
1262         try {
1263             dismissDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
1264         } catch (IllegalArgumentException e) {
1265             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
1266         }
1267
1268         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
1269         if (result.isSuccess() && webdav_path != null) {
1270             /// be gentle with the user
1271             showDialog(DIALOG_LOGIN_PROGRESS);
1272
1273             /// time to test the retrieved access token on the ownCloud server
1274             mAuthToken = ((OAuth2GetAccessToken)operation).getResultTokenMap().get(OAuth2Constants.KEY_ACCESS_TOKEN);
1275             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1276             mAuthCheckOperation = new ExistenceCheckRemoteOperation("", this, false);
1277             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, true);
1278             client.setBearerCredentials(mAuthToken);
1279             mAuthCheckOperation.execute(client, this, mHandler);
1280
1281         } else {
1282             updateAuthStatusIconAndText(result);
1283             showAuthStatus();
1284             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1285         }
1286     }
1287
1288
1289     /**
1290      * Processes the result of the access check performed to try the user credentials.
1291      *
1292      * Creates a new account through the AccountManager.
1293      *
1294      * @param operation     Access check performed.
1295      * @param result        Result of the operation.
1296      */
1297     private void onAuthorizationCheckFinish(ExistenceCheckRemoteOperation operation, RemoteOperationResult result) {
1298         try {
1299             dismissDialog(DIALOG_LOGIN_PROGRESS);
1300         } catch (IllegalArgumentException e) {
1301             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
1302         }
1303
1304         if (result.isSuccess()) {
1305             Log_OC.d(TAG, "Successful access - time to save the account");
1306
1307             boolean success = false;
1308             if (mAction == ACTION_CREATE) {
1309                 success = createAccount();
1310
1311             } else {
1312                 updateToken();
1313                 success = true;
1314             }
1315
1316             if (success) {
1317                 finish();
1318             }
1319
1320         } else if (result.isServerFail() || result.isException()) {
1321             /// if server fail or exception in authorization, the UI is updated as when a server check failed
1322             mServerIsChecked = true;
1323             mServerIsValid = false;
1324             mIsSslConn = false;
1325             mOcServerChkOperation = null;
1326             mDiscoveredVersion = null;
1327             mHostBaseUrl = normalizeUrl(mHostUrlInput.getText().toString());
1328
1329             // update status icon and text
1330             updateServerStatusIconAndText(result);
1331             showServerStatus();
1332             mAuthStatusIcon = 0;
1333             mAuthStatusText = 0;
1334             showAuthStatus();
1335
1336             // update input controls state
1337             showRefreshButton();
1338             mOkButton.setEnabled(false);
1339
1340             // very special case (TODO: move to a common place for all the remote operations) (dangerous here?)
1341             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1342                 showUntrustedCertDialog(result);
1343             }
1344
1345         } else {    // authorization fail due to client side - probably wrong credentials
1346             updateAuthStatusIconAndText(result);
1347             showAuthStatus();
1348             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1349         }
1350     }
1351
1352
1353
1354
1355     /**
1356      * Sets the proper response to get that the Account Authenticator that started this activity saves
1357      * a new authorization token for mAccount.
1358      */
1359     private void updateToken() {
1360         Bundle response = new Bundle();
1361         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1362         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1363
1364         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1365             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1366             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1367             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1368
1369         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1370
1371             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1372             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1373             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1374
1375         } else {
1376             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1377             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1378         }
1379         setAccountAuthenticatorResult(response);
1380
1381     }
1382
1383
1384     /**
1385      * Creates a new account through the Account Authenticator that started this activity.
1386      *
1387      * This makes the account permanent.
1388      *
1389      * TODO Decide how to name the OAuth accounts
1390      */
1391     private boolean createAccount() {
1392         /// create and save new ownCloud account
1393         boolean isOAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1394         boolean isSaml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1395
1396         Uri uri = Uri.parse(mHostBaseUrl);
1397         String username = mUsernameInput.getText().toString().trim();
1398         if (isOAuth) {
1399             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1400         }
1401         String accountName = username + "@" + uri.getHost();
1402         if (uri.getPort() >= 0) {
1403             accountName += ":" + uri.getPort();
1404         }
1405         mAccount = new Account(accountName, MainApp.getAccountType());
1406         if (AccountUtils.exists(mAccount, getApplicationContext())) {
1407             // fail - not a new account, but an existing one; disallow
1408             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1409             updateAuthStatusIconAndText(result);
1410             showAuthStatus();
1411             Log_OC.d(TAG, result.getLogMessage());
1412             return false;
1413
1414         } else {
1415
1416             if (isOAuth || isSaml) {
1417                 mAccountMgr.addAccountExplicitly(mAccount, "", null);  // with external authorizations, the password is never input in the app
1418             } else {
1419                 mAccountMgr.addAccountExplicitly(mAccount, mPasswordInput.getText().toString(), null);
1420             }
1421
1422             /// add the new account as default in preferences, if there is none already
1423             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1424             if (defaultAccount == null) {
1425                 SharedPreferences.Editor editor = PreferenceManager
1426                         .getDefaultSharedPreferences(this).edit();
1427                 editor.putString("select_oc_account", accountName);
1428                 editor.commit();
1429             }
1430
1431             /// prepare result to return to the Authenticator
1432             //  TODO check again what the Authenticator makes with it; probably has the same effect as addAccountExplicitly, but it's not well done
1433             final Intent intent = new Intent();
1434             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1435             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1436             /*if (!isOAuth)
1437                 intent.putExtra(AccountManager.KEY_AUTHTOKEN,   MainApp.getAccountType()); */
1438             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1439             if (isOAuth || isSaml) {
1440                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1441             }
1442             /// add user data to the new account; TODO probably can be done in the last parameter addAccountExplicitly, or in KEY_USERDATA
1443             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_VERSION,         mDiscoveredVersion.getVersion());
1444             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_VERSION_STRING,  mDiscoveredVersion.getVersionString());
1445             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_BASE_URL,   mHostBaseUrl);
1446
1447             if (isSaml) {
1448                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1449             } else if (isOAuth) {
1450                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1451             }
1452
1453             setAccountAuthenticatorResult(intent.getExtras());
1454             setResult(RESULT_OK, intent);
1455
1456             return true;
1457         }
1458     }
1459
1460
1461     /**
1462      * {@inheritDoc}
1463      *
1464      * Necessary to update the contents of the SSL Dialog
1465      *
1466      * TODO move to some common place for all possible untrusted SSL failures
1467      */
1468     @Override
1469     protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
1470         switch (id) {
1471         case DIALOG_LOGIN_PROGRESS:
1472         case DIALOG_CERT_NOT_SAVED:
1473         case DIALOG_OAUTH2_LOGIN_PROGRESS:
1474             break;
1475         default:
1476             Log_OC.e(TAG, "Incorrect dialog called with id = " + id);
1477         }
1478     }
1479
1480
1481     /**
1482      * {@inheritDoc}
1483      */
1484     @Override
1485     protected Dialog onCreateDialog(int id) {
1486         Dialog dialog = null;
1487         switch (id) {
1488         case DIALOG_LOGIN_PROGRESS: {
1489             /// simple progress dialog
1490             ProgressDialog working_dialog = new ProgressDialog(this);
1491             working_dialog.setMessage(getResources().getString(R.string.auth_trying_to_login));
1492             working_dialog.setIndeterminate(true);
1493             working_dialog.setCancelable(true);
1494             working_dialog
1495             .setOnCancelListener(new DialogInterface.OnCancelListener() {
1496                 @Override
1497                 public void onCancel(DialogInterface dialog) {
1498                     /// TODO study if this is enough
1499                     Log_OC.i(TAG, "Login canceled");
1500                     if (mOperationThread != null) {
1501                         mOperationThread.interrupt();
1502                         finish();
1503                     }
1504                 }
1505             });
1506             dialog = working_dialog;
1507             break;
1508         }
1509         case DIALOG_OAUTH2_LOGIN_PROGRESS: {
1510             ProgressDialog working_dialog = new ProgressDialog(this);
1511             working_dialog.setMessage(String.format("Getting authorization"));
1512             working_dialog.setIndeterminate(true);
1513             working_dialog.setCancelable(true);
1514             working_dialog
1515             .setOnCancelListener(new DialogInterface.OnCancelListener() {
1516                 @Override
1517                 public void onCancel(DialogInterface dialog) {
1518                     Log_OC.i(TAG, "Login canceled");
1519                     finish();
1520                 }
1521             });
1522             dialog = working_dialog;
1523             break;
1524         }
1525         case DIALOG_CERT_NOT_SAVED: {
1526             AlertDialog.Builder builder = new AlertDialog.Builder(this);
1527             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
1528             builder.setCancelable(false);
1529             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
1530                 @Override
1531                 public void onClick(DialogInterface dialog, int which) {
1532                     dialog.dismiss();
1533                 };
1534             });
1535             dialog = builder.create();
1536             break;
1537         }
1538         default:
1539             Log_OC.e(TAG, "Incorrect dialog called with id = " + id);
1540         }
1541         return dialog;
1542     }
1543
1544
1545     /**
1546      * Starts and activity to open the 'new account' page in the ownCloud web site
1547      *
1548      * @param view      'Account register' button
1549      */
1550     public void onRegisterClick(View view) {
1551         Intent register = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url)));
1552         setResult(RESULT_CANCELED);
1553         startActivity(register);
1554     }
1555
1556
1557     /**
1558      * Updates the content and visibility state of the icon and text associated
1559      * to the last check on the ownCloud server.
1560      */
1561     private void showServerStatus() {
1562         TextView tv = (TextView) findViewById(R.id.server_status_text);
1563
1564         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1565             tv.setVisibility(View.INVISIBLE);
1566
1567         } else {
1568             tv.setText(mServerStatusText);
1569             tv.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1570             tv.setVisibility(View.VISIBLE);
1571         }
1572
1573     }
1574
1575
1576     /**
1577      * Updates the content and visibility state of the icon and text associated
1578      * to the interactions with the OAuth authorization server.
1579      */
1580     private void showAuthStatus() {
1581         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1582             mAuthStatusLayout.setVisibility(View.INVISIBLE);
1583
1584         } else {
1585             mAuthStatusLayout.setText(mAuthStatusText);
1586             mAuthStatusLayout.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1587             mAuthStatusLayout.setVisibility(View.VISIBLE);
1588         }
1589     }
1590
1591
1592     private void showRefreshButton() {
1593         mRefreshButton.setVisibility(View.VISIBLE);
1594     }
1595
1596     private void hideRefreshButton() {
1597         mRefreshButton.setVisibility(View.GONE);
1598     }
1599
1600     /**
1601      * Called when the refresh button in the input field for ownCloud host is clicked.
1602      *
1603      * Performs a new check on the URL in the input field.
1604      *
1605      * @param view      Refresh 'button'
1606      */
1607     public void onRefreshClick(View view) {
1608         checkOcServer();
1609     }
1610
1611
1612     /**
1613      * Called when the eye icon in the password field is clicked.
1614      *
1615      * Toggles the visibility of the password in the field.
1616      */
1617     public void onViewPasswordClick() {
1618         int selectionStart = mPasswordInput.getSelectionStart();
1619         int selectionEnd = mPasswordInput.getSelectionEnd();
1620         if (isPasswordVisible()) {
1621             hidePassword();
1622         } else {
1623             showPassword();
1624         }
1625         mPasswordInput.setSelection(selectionStart, selectionEnd);
1626     }
1627
1628
1629     /**
1630      * Called when the checkbox for OAuth authorization is clicked.
1631      *
1632      * Hides or shows the input fields for user & password.
1633      *
1634      * @param view      'View password' 'button'
1635      */
1636     public void onCheckClick(View view) {
1637         CheckBox oAuth2Check = (CheckBox)view;
1638         if (oAuth2Check.isChecked()) {
1639             mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1640         } else {
1641             mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1642         }
1643         adaptViewAccordingToAuthenticationMethod();
1644     }
1645
1646
1647     /**
1648      * Changes the visibility of input elements depending on
1649      * the current authorization method.
1650      */
1651     private void adaptViewAccordingToAuthenticationMethod () {
1652         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1653             // OAuth 2 authorization
1654             mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
1655             mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
1656             mUsernameInput.setVisibility(View.GONE);
1657             mPasswordInput.setVisibility(View.GONE);
1658
1659         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1660             // SAML-based web Single Sign On
1661             mOAuthAuthEndpointText.setVisibility(View.GONE);
1662             mOAuthTokenEndpointText.setVisibility(View.GONE);
1663             mUsernameInput.setVisibility(View.GONE);
1664             mPasswordInput.setVisibility(View.GONE);
1665         } else {
1666             // basic HTTP authorization
1667             mOAuthAuthEndpointText.setVisibility(View.GONE);
1668             mOAuthTokenEndpointText.setVisibility(View.GONE);
1669             mUsernameInput.setVisibility(View.VISIBLE);
1670             mPasswordInput.setVisibility(View.VISIBLE);
1671         }
1672     }
1673
1674     /**
1675      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1676      *
1677      *  Used to trigger the authentication check when the user presses 'enter' after writing the password,
1678      *  or to throw the server test when the only field on screen is the URL input field.
1679      */
1680     @Override
1681     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1682         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null && inputField.equals(mPasswordInput)) {
1683             if (mOkButton.isEnabled()) {
1684                 mOkButton.performClick();
1685             }
1686
1687         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null && inputField.equals(mHostUrlInput)) {
1688             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1689                 checkOcServer();
1690             }
1691         }
1692         return false;   // always return false to grant that the software keyboard is hidden anyway
1693     }
1694
1695
1696     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1697
1698         private int fuzz = 75;
1699
1700         /**
1701          * {@inheritDoc}
1702          */
1703         @Override
1704         public boolean onTouch(View view, MotionEvent event) {
1705             Drawable rightDrawable = null;
1706             if (view instanceof TextView) {
1707                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1708                 if (drawables.length > 2) {
1709                     rightDrawable = drawables[2];
1710                 }
1711             }
1712             if (rightDrawable != null) {
1713                 final int x = (int) event.getX();
1714                 final int y = (int) event.getY();
1715                 final Rect bounds = rightDrawable.getBounds();
1716                 if (x >= (view.getRight() - bounds.width() - fuzz) && x <= (view.getRight() - view.getPaddingRight() + fuzz)
1717                         && y >= (view.getPaddingTop() - fuzz) && y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1718
1719                     return onDrawableTouch(event);
1720                 }
1721             }
1722             return false;
1723         }
1724
1725         public abstract boolean onDrawableTouch(final MotionEvent event);
1726     }
1727
1728
1729     public void onSamlDialogSuccess(String sessionCookie) {
1730         mAuthToken = sessionCookie;
1731
1732         if (sessionCookie != null && sessionCookie.length() > 0) {
1733             mAuthToken = sessionCookie;
1734
1735             GetRemoteUserNameOperation getUserOperation = new GetRemoteUserNameOperation();
1736             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl), getApplicationContext(), true);
1737             client.setSsoSessionCookie(mAuthToken);
1738             getUserOperation.execute(client, this, mHandler);
1739         }
1740
1741
1742     }
1743
1744
1745     @Override
1746     public void onSsoFinished(String sessionCookies) {
1747         //Toast.makeText(this, "got cookies: " + sessionCookie, Toast.LENGTH_LONG).show();
1748
1749         if (sessionCookies != null && sessionCookies.length() > 0) {
1750             Log_OC.d(TAG, "Successful SSO - time to save the account");
1751             onSamlDialogSuccess(sessionCookies);
1752             Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1753             if (fd != null && fd instanceof SherlockDialogFragment) {
1754                 Dialog d = ((SherlockDialogFragment)fd).getDialog();
1755                 if (d != null && d.isShowing()) {
1756                     d.dismiss();
1757                 }
1758             }
1759
1760         } else {
1761             // TODO - show fail
1762             Log_OC.d(TAG, "SSO failed");
1763         }
1764
1765     }
1766
1767     /** Show auth_message
1768      *
1769      * @param message
1770      */
1771     private void showAuthMessage(String message) {
1772         mAuthMessage.setVisibility(View.VISIBLE);
1773         mAuthMessage.setText(message);
1774     }
1775
1776     private void hideAuthMessage() {
1777         mAuthMessage.setVisibility(View.GONE);
1778     }
1779
1780     @Override
1781     public boolean onTouchEvent(MotionEvent event) {
1782         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
1783                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1784             checkOcServer();
1785         }
1786         return super.onTouchEvent(event);
1787     }
1788
1789
1790     /**
1791      * Show untrusted cert dialog
1792      */
1793     public void showUntrustedCertDialog(X509Certificate x509Certificate, SslError error, SslErrorHandler handler) {
1794         // Show a dialog with the certificate info
1795         SslUntrustedCertDialog dialog = null;
1796         if (x509Certificate == null) {
1797             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
1798         } else {
1799             dialog = SslUntrustedCertDialog.newInstanceForFullSslError(x509Certificate, error, handler);
1800         }
1801         FragmentManager fm = getSupportFragmentManager();
1802         FragmentTransaction ft = fm.beginTransaction();
1803         ft.addToBackStack(null);
1804         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1805     }
1806
1807     /**
1808      * Show untrusted cert dialog
1809      */
1810     public void showUntrustedCertDialog(RemoteOperationResult result) {
1811         // Show a dialog with the certificate info
1812         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1813         FragmentManager fm = getSupportFragmentManager();
1814         FragmentTransaction ft = fm.beginTransaction();
1815         ft.addToBackStack(null);
1816         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1817
1818     }
1819
1820     /**
1821      * Dismiss untrusted cert dialog
1822      */
1823     public void dismissUntrustedCertDialog(){
1824         /*Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_UNTRUSTED_CERT);
1825         if (frag != null) {
1826             SslErrorViewAdapter dialog = (SslErrorViewAdapter) frag;
1827             dialog.dismiss();
1828         }
1829          */
1830     }
1831
1832     /**
1833      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1834      */
1835     public void onSavedCertificate() {
1836         Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1837         if (fd == null) {
1838             // if SAML dialog is not shown, the SslDialog was shown due to an SSL error in the server check
1839             checkOcServer();
1840         }
1841     }
1842
1843     /**
1844      * Called from SslValidatorDialog when a new server certificate could not be saved
1845      * when the user requested it.
1846      */
1847     @Override
1848     public void onFailedSavingCertificate() {
1849         showDialog(DIALOG_CERT_NOT_SAVED);
1850         cancelWebView();
1851     }
1852
1853     @Override
1854     public void onCancelCertificate() {
1855         cancelWebView();
1856     }
1857
1858
1859     public void cancelWebView() {
1860         Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1861         if (fd != null && fd instanceof SherlockDialogFragment) {
1862             Dialog d = ((SherlockDialogFragment)fd).getDialog();
1863             if (d != null && d.isShowing()) {
1864                 d.dismiss();
1865             }
1866         }
1867
1868     }
1869
1870     /**
1871      * Implements callback methods for service binding. Passed as a parameter to {
1872      */
1873     private class OperationsServiceConnection implements ServiceConnection {
1874
1875         @Override
1876         public void onServiceConnected(ComponentName component, IBinder service) {
1877             if (component.equals(new ComponentName(AuthenticatorActivity.this, OperationsService.class))) {
1878                 Log_OC.d(TAG, "Operations service connected");
1879                 mOperationsServiceBinder = (OperationsServiceBinder) service;
1880                 mOperationsServiceBinder.addOperationListener(AuthenticatorActivity.this, mHandler);
1881             } else {
1882                 return;
1883             }
1884
1885         }
1886
1887         @Override
1888         public void onServiceDisconnected(ComponentName component) {
1889             if (component.equals(new ComponentName(AuthenticatorActivity.this, OperationsService.class))) {
1890                 Log_OC.d(TAG, "Operations service disconnected");
1891                 mOperationsServiceBinder = null;
1892                 // TODO whatever could be waiting for the service is unbound
1893             }
1894         }
1895
1896     }
1897 }