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