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 com.owncloud.android.Log_OC;
  22 import com.owncloud.android.ui.dialog.SslValidatorDialog;
  23 import com.owncloud.android.ui.dialog.SslValidatorDialog.OnSslValidatorListener;
  24 import com.owncloud.android.utils.OwnCloudVersion;
  25 import com.owncloud.android.network.OwnCloudClientUtils;
  26 import com.owncloud.android.operations.OwnCloudServerCheckOperation;
  27 import com.owncloud.android.operations.ExistenceCheckOperation;
  28 import com.owncloud.android.operations.OAuth2GetAccessToken;
  29 import com.owncloud.android.operations.OnRemoteOperationListener;
  30 import com.owncloud.android.operations.RemoteOperation;
  31 import com.owncloud.android.operations.RemoteOperationResult;
  32 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
  33
  34 import android.accounts.Account;
  35 import android.accounts.AccountAuthenticatorActivity;
  36 import android.accounts.AccountManager;
  37 import android.app.AlertDialog;
  38 import android.app.Dialog;
  39 import android.app.ProgressDialog;
  40 import android.content.ContentResolver;
  41 import android.content.DialogInterface;
  42 import android.content.Intent;
  43 import android.content.SharedPreferences;
  44 import android.graphics.Rect;
  45 import android.graphics.drawable.Drawable;
  46 import android.net.Uri;
  47 import android.os.Bundle;
  48 import android.os.Handler;
  49 import android.preference.PreferenceManager;
  50 import android.text.Editable;
  51 import android.text.InputType;
  52 import android.text.TextWatcher;
  53 import android.view.KeyEvent;
  54 import android.view.MotionEvent;
  55 import android.view.View;
  56 import android.view.View.OnFocusChangeListener;
  57 import android.view.View.OnTouchListener;
  58 import android.view.Window;
  59 import android.view.inputmethod.EditorInfo;
  60 import android.webkit.WebView;
  61 import android.widget.CheckBox;
  62 import android.widget.EditText;
  63 import android.widget.Button;
  64 import android.widget.TextView;
  65 import android.widget.Toast;
  66 import android.widget.TextView.OnEditorActionListener;
  67
  68 import com.owncloud.android.R;
  69
  70 import eu.alefzero.webdav.WebdavClient;
  71
  72 /**
  73  * This Activity is used to add an ownCloud account to the App
  74  *
  75  * @author Bartek Przybylski
  76  * @author David A. Velasco
  77  */
  78 public class AuthenticatorActivity extends AccountAuthenticatorActivity
  79 implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeListener, OnEditorActionListener {
  80
  81     private static final String TAG = AuthenticatorActivity.class.getSimpleName();
  82
  83     public static final String EXTRA_ACCOUNT = "ACCOUNT";
  84     public static final String EXTRA_USER_NAME = "USER_NAME";
  85     public static final String EXTRA_HOST_NAME = "HOST_NAME";
  86     public static final String EXTRA_ACTION = "ACTION";
  87     public static final String EXTRA_ENFORCED_UPDATE = "ENFORCE_UPDATE";
  88
  89     private static final String KEY_HOST_URL_TEXT = "HOST_URL_TEXT";
  90     private static final String KEY_OC_VERSION = "OC_VERSION";
  91     private static final String KEY_ACCOUNT = "ACCOUNT";
  92     private static final String KEY_SERVER_VALID = "SERVER_VALID";
  93     private static final String KEY_SERVER_CHECKED = "SERVER_CHECKED";
  94     private static final String KEY_SERVER_CHECK_IN_PROGRESS = "SERVER_CHECK_IN_PROGRESS";
  95     private static final String KEY_SERVER_STATUS_TEXT = "SERVER_STATUS_TEXT";
  96     private static final String KEY_SERVER_STATUS_ICON = "SERVER_STATUS_ICON";
  97     private static final String KEY_IS_SSL_CONN = "IS_SSL_CONN";
  98     private static final String KEY_PASSWORD_VISIBLE = "PASSWORD_VISIBLE";
  99     private static final String KEY_AUTH_METHOD = "AUTH_METHOD";
 100     private static final String KEY_AUTH_STATUS_TEXT = "AUTH_STATUS_TEXT";
 101     private static final String KEY_AUTH_STATUS_ICON = "AUTH_STATUS_ICON";
 102     private static final String KEY_REFRESH_BUTTON_ENABLED = "KEY_REFRESH_BUTTON_ENABLED";
 103
 104     private static final String AUTH_ON = "on";
 105     private static final String AUTH_OFF = "off";
 106     private static final String AUTH_OPTIONAL = "optional";
 107
 108     private static final int AUTH_METHOD_BASIC_HTTP = 0;
 109     private static final int AUTH_METHOD_OAUTH2 = 1;
 110     private static final int AUTH_METHOD_SAML_WEB_SSO = 2;
 111
 112     private static final int DIALOG_LOGIN_PROGRESS = 0;
 113     private static final int DIALOG_SSL_VALIDATOR = 1;
 114     private static final int DIALOG_CERT_NOT_SAVED = 2;
 115     private static final int DIALOG_OAUTH2_LOGIN_PROGRESS = 3;
 116
 117     public static final byte ACTION_CREATE = 0;
 118     public static final byte ACTION_UPDATE_TOKEN = 1;
 119
 120     private String mHostBaseUrl;
 121     private OwnCloudVersion mDiscoveredVersion;
 122
 123     private int mServerStatusText, mServerStatusIcon;
 124     private boolean mServerIsChecked, mServerIsValid, mIsSslConn;
 125     private int mAuthStatusText, mAuthStatusIcon;
 126     private TextView mAuthStatusLayout;
 127
 128     private final Handler mHandler = new Handler();
 129     private Thread mOperationThread;
 130     private OwnCloudServerCheckOperation mOcServerChkOperation;
 131     private ExistenceCheckOperation mAuthCheckOperation;
 132     private RemoteOperationResult mLastSslUntrustedServerResult;
 133
 134     private Uri mNewCapturedUriFromOAuth2Redirection;
 135
 136     private AccountManager mAccountMgr;
 137     private boolean mJustCreated;
 138     private byte mAction;
 139     private Account mAccount;
 140
 141     private EditText mHostUrlInput;
 142     private boolean mHostUrlInputEnabled;
 143     private View mRefreshButton;
 144
 145     private int mCurrentAuthorizationMethod;
 146
 147     private EditText mUsernameInput;
 148     private EditText mPasswordInput;
 149
 150     private CheckBox mOAuth2Check;
 151     private String mOAuthAccessToken;
 152
 153     private TextView mOAuthAuthEndpointText;
 154     private TextView mOAuthTokenEndpointText;
 155
 156     private TextView mAccountNameInput;
 157     private WebView mWebSsoView;
 158
 159     private View mOkButton;
 160
 161
 162     /**
 163      * {@inheritDoc}
 164      *
 165      * IMPORTANT ENTRY POINT 1: activity is shown to the user
 166      */
 167     @Override
 168     protected void onCreate(Bundle savedInstanceState) {
 169         super.onCreate(savedInstanceState);
 170         getWindow().requestFeature(Window.FEATURE_NO_TITLE);
 171
 172         /// set view and get references to view elements
 173         setContentView(R.layout.account_setup);
 174         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 175         mHostUrlInput.setText(getString(R.string.server_url));  // valid although R.string.server_url is an empty string
 176         mUsernameInput = (EditText) findViewById(R.id.account_username);
 177         mPasswordInput = (EditText) findViewById(R.id.account_password);
 178         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 179         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 180         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 181         mAccountNameInput = (EditText) findViewById(R.id.account_name);
 182         mWebSsoView = (WebView) findViewById(R.id.web_sso_view);
 183         mOkButton = findViewById(R.id.buttonOK);
 184         mAuthStatusLayout = (TextView) findViewById(R.id.auth_status_text);
 185
 186         /// set Host Url Input Enabled
 187         mHostUrlInputEnabled = getResources().getBoolean(R.bool.show_server_url_input);
 188
 189
 190         /// complete label for 'register account' button
 191         Button b = (Button) findViewById(R.id.account_register);
 192         if (b != null) {
 193             b.setText(String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 194         }
 195
 196         /// initialization
 197         mAccountMgr = AccountManager.get(this);
 198         mNewCapturedUriFromOAuth2Redirection = null;
 199         mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE);
 200         mAccount = null;
 201         mHostBaseUrl = "";
 202         boolean refreshButtonEnabled = false;
 203
 204         // URL input configuration applied
 205         if (!mHostUrlInputEnabled)
 206         {
 207             findViewById(R.id.hostUrlFrame).setVisibility(View.GONE);
 208             mRefreshButton = findViewById(R.id.centeredRefreshButton);
 209
 210         } else {
 211             mRefreshButton = findViewById(R.id.embeddedRefreshButton);
 212         }
 213
 214         if (savedInstanceState == null) {
 215             /// connection state and info
 216             mServerStatusText = mServerStatusIcon = 0;
 217             mServerIsValid = false;
 218             mServerIsChecked = false;
 219             mIsSslConn = false;
 220             mAuthStatusText = mAuthStatusIcon = 0;
 221
 222             /// retrieve extras from intent
 223             mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 224             if (mAccount != null) {
 225                 String ocVersion = mAccountMgr.getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION);
 226                 if (ocVersion != null) {
 227                     mDiscoveredVersion = new OwnCloudVersion(ocVersion);
 228                 }
 229                 mHostBaseUrl = normalizeUrl(mAccountMgr.getUserData(mAccount, AccountAuthenticator.KEY_OC_BASE_URL));
 230                 mHostUrlInput.setText(mHostBaseUrl);
 231             }
 232             initAuthorizationMethod();  // checks intent and setup.xml to determine mCurrentAuthorizationMethod
 233             mOAuth2Check.setChecked(mCurrentAuthorizationMethod == AUTH_METHOD_OAUTH2);
 234             mJustCreated = true;
 235
 236             if (mAction == ACTION_UPDATE_TOKEN || !mHostUrlInputEnabled) {
 237                 checkOcServer();
 238             }
 239
 240         } else {
 241             /// connection state and info
 242             mServerIsValid = savedInstanceState.getBoolean(KEY_SERVER_VALID);
 243             mServerIsChecked = savedInstanceState.getBoolean(KEY_SERVER_CHECKED);
 244             mServerStatusText = savedInstanceState.getInt(KEY_SERVER_STATUS_TEXT);
 245             mServerStatusIcon = savedInstanceState.getInt(KEY_SERVER_STATUS_ICON);
 246             mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 247             mAuthStatusText = savedInstanceState.getInt(KEY_AUTH_STATUS_TEXT);
 248             mAuthStatusIcon = savedInstanceState.getInt(KEY_AUTH_STATUS_ICON);
 249             if (savedInstanceState.getBoolean(KEY_PASSWORD_VISIBLE, false)) {
 250                 showPassword();
 251             }
 252
 253             /// server data
 254             String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 255             if (ocVersion != null) {
 256                 mDiscoveredVersion = new OwnCloudVersion(ocVersion);
 257             }
 258             mHostBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 259
 260             // account data, if updating
 261             mAccount = savedInstanceState.getParcelable(KEY_ACCOUNT);
 262             mCurrentAuthorizationMethod = savedInstanceState.getInt(KEY_AUTH_METHOD, AUTH_METHOD_BASIC_HTTP);
 263
 264             // check if server check was interrupted by a configuration change
 265             if (savedInstanceState.getBoolean(KEY_SERVER_CHECK_IN_PROGRESS, false)) {
 266                 checkOcServer();
 267             }
 268
 269             // refresh button enabled
 270             refreshButtonEnabled = savedInstanceState.getBoolean(KEY_REFRESH_BUTTON_ENABLED);
 271
 272
 273         }
 274
 275         adaptViewAccordingToAuthenticationMethod();
 276         showServerStatus();
 277         showAuthStatus();
 278
 279         if (mAction == ACTION_UPDATE_TOKEN) {
 280             /// lock things that should not change
 281             mHostUrlInput.setEnabled(false);
 282             mHostUrlInput.setFocusable(false);
 283             mUsernameInput.setEnabled(false);
 284             mUsernameInput.setFocusable(false);
 285             mOAuth2Check.setVisibility(View.GONE);
 286         }
 287
 288         //if (mServerIsChecked && !mServerIsValid && mRefreshButtonEnabled) showRefreshButton();
 289         if (mServerIsChecked && !mServerIsValid && refreshButtonEnabled) showRefreshButton();
 290         mOkButton.setEnabled(mServerIsValid); // state not automatically recovered in configuration changes
 291
 292         if (mCurrentAuthorizationMethod == AUTH_METHOD_SAML_WEB_SSO || !AUTH_OPTIONAL.equals(getString(R.string.auth_method_oauth2))) {
 293             mOAuth2Check.setVisibility(View.GONE);
 294         }
 295
 296         mPasswordInput.setText("");     // clean password to avoid social hacking (disadvantage: password in removed if the device is turned aside)
 297
 298         /// bind view elements to listeners
 299         mHostUrlInput.setOnFocusChangeListener(this);
 300         mHostUrlInput.addTextChangedListener(new TextWatcher() {
 301
 302             @Override
 303             public void afterTextChanged(Editable s) {
 304                 if (!mHostBaseUrl.equals(normalizeUrl(mHostUrlInput.getText().toString()))) {
 305                     mOkButton.setEnabled(false);
 306                 }
 307             }
 308
 309             @Override
 310             public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
 311
 312             @Override
 313             public void onTextChanged(CharSequence s, int start, int before, int count) {}
 314
 315         });
 316         mPasswordInput.setOnFocusChangeListener(this);
 317         mPasswordInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
 318         mPasswordInput.setOnEditorActionListener(this);
 319         mPasswordInput.setOnTouchListener(new RightDrawableOnTouchListener() {
 320             @Override
 321             public boolean onDrawableTouch(final MotionEvent event) {
 322                 if (event.getAction() == MotionEvent.ACTION_UP) {
 323                     AuthenticatorActivity.this.onViewPasswordClick();
 324                 }
 325                 return true;
 326             }
 327         });
 328     }
 329
 330     private void initAuthorizationMethod() {
 331         boolean oAuthRequired = false;
 332         boolean samlWebSsoRequired = false;
 333
 334         String tokenType = getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 335         mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 336
 337         if (tokenType != null) {
 338             /// use the authentication method requested by caller
 339             oAuthRequired = AccountAuthenticator.AUTH_TOKEN_TYPE_ACCESS_TOKEN.equals(tokenType);
 340             samlWebSsoRequired = AccountAuthenticator.AUTH_TOKEN_TYPE_SAML_WEB_SSO_SESSION_COOKIE.equals(tokenType);
 341
 342         } else if (mAccount != null) {
 343             /// same authentication method than the one used to create the account to update
 344             oAuthRequired = (mAccountMgr.getUserData(mAccount, AccountAuthenticator.KEY_SUPPORTS_OAUTH2) != null);
 345             samlWebSsoRequired = (mAccountMgr.getUserData(mAccount, AccountAuthenticator.KEY_SUPPORTS_SAML_WEB_SSO) != null);
 346
 347         } else {
 348             /// use the one set in setup.xml
 349             oAuthRequired = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
 350             samlWebSsoRequired = AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));
 351         }
 352
 353         if (oAuthRequired) {
 354             mCurrentAuthorizationMethod = AUTH_METHOD_OAUTH2;
 355         } else if (samlWebSsoRequired) {
 356             mCurrentAuthorizationMethod = AUTH_METHOD_SAML_WEB_SSO;
 357         } else {
 358             mCurrentAuthorizationMethod = AUTH_METHOD_BASIC_HTTP;
 359         }
 360
 361         if (mAccount != null) {
 362             String userName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 363             mUsernameInput.setText(userName);
 364         }
 365     }
 366
 367     /**
 368      * Saves relevant state before {@link #onPause()}
 369      *
 370      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag, intended to defer the
 371      * processing of the redirection caught in {@link #onNewIntent(Intent)} until {@link #onResume()}
 372      *
 373      * See {@link #loadSavedInstanceState(Bundle)}
 374      */
 375     @Override
 376     protected void onSaveInstanceState(Bundle outState) {
 377         super.onSaveInstanceState(outState);
 378
 379         /// connection state and info
 380         outState.putInt(KEY_SERVER_STATUS_TEXT, mServerStatusText);
 381         outState.putInt(KEY_SERVER_STATUS_ICON, mServerStatusIcon);
 382         outState.putBoolean(KEY_SERVER_VALID, mServerIsValid);
 383         outState.putBoolean(KEY_SERVER_CHECKED, mServerIsChecked);
 384         outState.putBoolean(KEY_SERVER_CHECK_IN_PROGRESS, (!mServerIsValid && mOcServerChkOperation != null));
 385         outState.putBoolean(KEY_IS_SSL_CONN, mIsSslConn);
 386         outState.putBoolean(KEY_PASSWORD_VISIBLE, isPasswordVisible());
 387         outState.putInt(KEY_AUTH_STATUS_ICON, mAuthStatusIcon);
 388         outState.putInt(KEY_AUTH_STATUS_TEXT, mAuthStatusText);
 389
 390         /// server data
 391         if (mDiscoveredVersion != null) {
 392             outState.putString(KEY_OC_VERSION, mDiscoveredVersion.toString());
 393         }
 394         outState.putString(KEY_HOST_URL_TEXT, mHostBaseUrl);
 395
 396         /// account data, if updating
 397         if (mAccount != null) {
 398             outState.putParcelable(KEY_ACCOUNT, mAccount);
 399         }
 400         outState.putInt(KEY_AUTH_METHOD, mCurrentAuthorizationMethod);
 401
 402         // refresh button enabled
 403         outState.putBoolean(KEY_REFRESH_BUTTON_ENABLED, (mRefreshButton.getVisibility() == View.VISIBLE));
 404
 405     }
 406
 407
 408     /**
 409      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION request
 410      * is caught here.
 411      *
 412      * To make this possible, this activity needs to be qualified with android:launchMode = "singleTask" in the
 413      * AndroidManifest.xml file.
 414      */
 415     @Override
 416     protected void onNewIntent (Intent intent) {
 417         Log_OC.d(TAG, "onNewIntent()");
 418         Uri data = intent.getData();
 419         if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) {
 420             mNewCapturedUriFromOAuth2Redirection = data;
 421         }
 422     }
 423
 424
 425     /**
 426      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION, and
 427      * deferred in {@link #onNewIntent(Intent)}, is processed here.
 428      */
 429     @Override
 430     protected void onResume() {
 431         super.onResume();
 432         if (mAction == ACTION_UPDATE_TOKEN && mJustCreated && getIntent().getBooleanExtra(EXTRA_ENFORCED_UPDATE, false)) {
 433             if (mOAuth2Check.isChecked())
 434                 Toast.makeText(this, R.string.auth_expired_oauth_token_toast, Toast.LENGTH_LONG).show();
 435             else
 436                 Toast.makeText(this, R.string.auth_expired_basic_auth_toast, Toast.LENGTH_LONG).show();
 437         }
 438
 439         if (mNewCapturedUriFromOAuth2Redirection != null) {
 440             getOAuth2AccessTokenFromCapturedRedirection();
 441         }
 442
 443         mJustCreated = false;
 444     }
 445
 446
 447     /**
 448      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 449      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 450      */
 451     private void getOAuth2AccessTokenFromCapturedRedirection() {
 452         /// Parse data from OAuth redirection
 453         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 454         mNewCapturedUriFromOAuth2Redirection = null;
 455
 456         /// Showing the dialog with instructions for the user.
 457         showDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
 458
 459         /// GET ACCESS TOKEN to the oAuth server
 460         RemoteOperation operation = new OAuth2GetAccessToken(   getString(R.string.oauth2_client_id),
 461                 getString(R.string.oauth2_redirect_uri),
 462                 getString(R.string.oauth2_grant_type),
 463                 queryParameters);
 464         //WebdavClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(getString(R.string.oauth2_url_endpoint_access)), getApplicationContext());
 465         WebdavClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(mOAuthTokenEndpointText.getText().toString().trim()), getApplicationContext());
 466         operation.execute(client, this, mHandler);
 467     }
 468
 469
 470
 471     /**
 472      * Handles the change of focus on the text inputs for the server URL and the password
 473      */
 474     public void onFocusChange(View view, boolean hasFocus) {
 475         if (view.getId() == R.id.hostUrlInput) {
 476             if (!hasFocus) {
 477                 onUrlInputFocusLost((TextView) view);
 478             }
 479             else {
 480                 hideRefreshButton();
 481             }
 482
 483         } else if (view.getId() == R.id.account_password) {
 484             onPasswordFocusChanged((TextView) view, hasFocus);
 485         }
 486     }
 487
 488
 489     /**
 490      * Handles changes in focus on the text input for the server URL.
 491      *
 492      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 493      * other field. The operation to check the existence of the server in the entered URL is
 494      * started.
 495      *
 496      * When hasFocus:    user 'comes back' to write again the server URL.
 497      *
 498      * @param hostInput     TextView with the URL input field receiving the change of focus.
 499      */
 500     private void onUrlInputFocusLost(TextView hostInput) {
 501         if (!mHostBaseUrl.equals(normalizeUrl(mHostUrlInput.getText().toString()))) {
 502             checkOcServer();
 503         } else {
 504             mOkButton.setEnabled(mServerIsValid);
 505             if (!mServerIsValid) {
 506                 showRefreshButton();
 507             }
 508         }
 509     }
 510
 511
 512     private void checkOcServer() {
 513         String uri = trimUrlWebdav(mHostUrlInput.getText().toString().trim());
 514
 515         if (!mHostUrlInputEnabled){
 516             uri = getString(R.string.server_url);
 517         }
 518
 519         mServerIsValid = false;
 520         mServerIsChecked = false;
 521         mOkButton.setEnabled(false);
 522         mDiscoveredVersion = null;
 523         hideRefreshButton();
 524         if (uri.length() != 0) {
 525             mServerStatusText = R.string.auth_testing_connection;
 526             mServerStatusIcon = R.drawable.progress_small;
 527             showServerStatus();
 528             mOcServerChkOperation = new  OwnCloudServerCheckOperation(uri, this);
 529             WebdavClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(uri), this);
 530             mOperationThread = mOcServerChkOperation.execute(client, this, mHandler);
 531         } else {
 532             mServerStatusText = 0;
 533             mServerStatusIcon = 0;
 534             showServerStatus();
 535         }
 536     }
 537
 538
 539     /**
 540      * Handles changes in focus on the text input for the password (basic authorization).
 541      *
 542      * When (hasFocus), the button to toggle password visibility is shown.
 543      *
 544      * When (!hasFocus), the button is made invisible and the password is hidden.
 545      *
 546      * @param passwordInput    TextView with the password input field receiving the change of focus.
 547      * @param hasFocus          'True' if focus is received, 'false' if is lost
 548      */
 549     private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {
 550         if (hasFocus) {
 551             showViewPasswordButton();
 552         } else {
 553             hidePassword();
 554             hidePasswordButton();
 555         }
 556     }
 557
 558
 559     private void showViewPasswordButton() {
 560         //int drawable = android.R.drawable.ic_menu_view;
 561         int drawable = R.drawable.ic_view;
 562         if (isPasswordVisible()) {
 563             //drawable = android.R.drawable.ic_secure;
 564             drawable = R.drawable.ic_hide;
 565         }
 566         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 567     }
 568
 569     private boolean isPasswordVisible() {
 570         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 571     }
 572
 573     private void hidePasswordButton() {
 574         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 575     }
 576
 577     private void showPassword() {
 578         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 579         showViewPasswordButton();
 580     }
 581
 582     private void hidePassword() {
 583         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
 584         showViewPasswordButton();
 585     }
 586
 587
 588     /**
 589      * Cancels the authenticator activity
 590      *
 591      * IMPORTANT ENTRY POINT 3: Never underestimate the importance of cancellation
 592      *
 593      * This method is bound in the layout/acceoun_setup.xml resource file.
 594      *
 595      * @param view      Cancel button
 596      */
 597     public void onCancelClick(View view) {
 598         setResult(RESULT_CANCELED);     // TODO review how is this related to AccountAuthenticator (debugging)
 599         finish();
 600     }
 601
 602
 603
 604     /**
 605      * Checks the credentials of the user in the root of the ownCloud server
 606      * before creating a new local account.
 607      *
 608      * For basic authorization, a check of existence of the root folder is
 609      * performed.
 610      *
 611      * For OAuth, starts the flow to get an access token; the credentials test
 612      * is postponed until it is available.
 613      *
 614      * IMPORTANT ENTRY POINT 4
 615      *
 616      * @param view      OK button
 617      */
 618     public void onOkClick(View view) {
 619         // this check should be unnecessary
 620         if (mDiscoveredVersion == null || !mDiscoveredVersion.isVersionValid()  || mHostBaseUrl == null || mHostBaseUrl.length() == 0) {
 621             mServerStatusIcon = R.drawable.common_error;
 622             mServerStatusText = R.string.auth_wtf_reenter_URL;
 623             showServerStatus();
 624             mOkButton.setEnabled(false);
 625             Log_OC.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");
 626             return;
 627         }
 628
 629         if (mOAuth2Check.isChecked()) {
 630             startOauthorization();
 631
 632         } else {
 633             checkBasicAuthorization();
 634         }
 635     }
 636
 637
 638     /**
 639      * Tests the credentials entered by the user performing a check of existence on
 640      * the root folder of the ownCloud server.
 641      */
 642     private void checkBasicAuthorization() {
 643         /// get the path to the root folder through WebDAV from the version server
 644         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, false);
 645
 646         /// get basic credentials entered by user
 647         String username = mUsernameInput.getText().toString();
 648         String password = mPasswordInput.getText().toString();
 649
 650         /// be gentle with the user
 651         showDialog(DIALOG_LOGIN_PROGRESS);
 652
 653         /// test credentials accessing the root folder
 654         mAuthCheckOperation = new  ExistenceCheckOperation("", this, false);
 655         WebdavClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this);
 656         client.setBasicCredentials(username, password);
 657         mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
 658     }
 659
 660
 661     /**
 662      * Starts the OAuth 'grant type' flow to get an access token, with
 663      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 664      */
 665     private void startOauthorization() {
 666         // be gentle with the user
 667         mAuthStatusIcon = R.drawable.progress_small;
 668         mAuthStatusText = R.string.oauth_login_connection;
 669         showAuthStatus();
 670
 671         // GET AUTHORIZATION request
 672         //Uri uri = Uri.parse(getString(R.string.oauth2_url_endpoint_auth));
 673         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 674         Uri.Builder uriBuilder = uri.buildUpon();
 675         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type));
 676         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri));
 677         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id));
 678         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope));
 679         //uriBuilder.appendQueryParameter(OAuth2Constants.KEY_STATE, whateverwewant);
 680         uri = uriBuilder.build();
 681         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 682         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 683         startActivity(i);
 684     }
 685
 686
 687     /**
 688      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 689      *
 690      * Dispatches the operation flow to the right method.
 691      */
 692     @Override
 693     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 694
 695         if (operation instanceof OwnCloudServerCheckOperation) {
 696             onOcServerCheckFinish((OwnCloudServerCheckOperation) operation, result);
 697
 698         } else if (operation instanceof OAuth2GetAccessToken) {
 699             onGetOAuthAccessTokenFinish((OAuth2GetAccessToken)operation, result);
 700
 701         } else if (operation instanceof ExistenceCheckOperation)  {
 702             onAuthorizationCheckFinish((ExistenceCheckOperation)operation, result);
 703
 704         }
 705     }
 706
 707
 708     /**
 709      * Processes the result of the server check performed when the user finishes the enter of the
 710      * server URL.
 711      *
 712      * @param operation     Server check performed.
 713      * @param result        Result of the check.
 714      */
 715     private void onOcServerCheckFinish(OwnCloudServerCheckOperation operation, RemoteOperationResult result) {
 716         if (operation.equals(mOcServerChkOperation)) {
 717             /// save result state
 718             mServerIsChecked = true;
 719             mServerIsValid = result.isSuccess();
 720             mIsSslConn = (result.getCode() == ResultCode.OK_SSL);
 721             mOcServerChkOperation = null;
 722
 723             /// update status icon and text
 724             if (mServerIsValid) {
 725                 hideRefreshButton();
 726             } else {
 727                 showRefreshButton();
 728             }
 729             updateServerStatusIconAndText(result);
 730             showServerStatus();
 731
 732             /// very special case (TODO: move to a common place for all the remote operations)
 733             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
 734                 mLastSslUntrustedServerResult = result;
 735                 showDialog(DIALOG_SSL_VALIDATOR);
 736             }
 737
 738             /// retrieve discovered version and normalize server URL
 739             mDiscoveredVersion = operation.getDiscoveredVersion();
 740             mHostBaseUrl = normalizeUrl(mHostUrlInput.getText().toString());
 741
 742             /// allow or not the user try to access the server
 743             mOkButton.setEnabled(mServerIsValid);
 744
 745         }   // else nothing ; only the last check operation is considered;
 746         // multiple can be triggered if the user amends a URL before a previous check can be triggered
 747     }
 748
 749
 750     private String normalizeUrl(String url) {
 751         if (url != null && url.length() > 0) {
 752             url = url.trim();
 753             if (!url.toLowerCase().startsWith("http://") &&
 754                     !url.toLowerCase().startsWith("https://")) {
 755                 if (mIsSslConn) {
 756                     url = "https://" + url;
 757                 } else {
 758                     url = "http://" + url;
 759                 }
 760             }
 761
 762             // OC-208: Add suffix remote.php/webdav to normalize (OC-34)
 763             url = trimUrlWebdav(url);
 764
 765             if (url.endsWith("/")) {
 766                 url = url.substring(0, url.length() - 1);
 767             }
 768
 769         }
 770         Log_OC.d(TAG, "URL Normalize " + url);
 771         return (url != null ? url : "");
 772     }
 773
 774
 775     private String trimUrlWebdav(String url){
 776         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){
 777             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length());
 778         } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){
 779             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length());
 780         } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){
 781             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length());
 782         }
 783         return (url != null ? url : "");
 784     }
 785
 786
 787     /**
 788      * Chooses the right icon and text to show to the user for the received operation result.
 789      *
 790      * @param result    Result of a remote operation performed in this activity
 791      */
 792     private void updateServerStatusIconAndText(RemoteOperationResult result) {
 793         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
 794
 795         switch (result.getCode()) {
 796         case OK_SSL:
 797             mServerStatusIcon = android.R.drawable.ic_secure;
 798             mServerStatusText = R.string.auth_secure_connection;
 799             break;
 800
 801         case OK_NO_SSL:
 802         case OK:
 803             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
 804                 mServerStatusText = R.string.auth_connection_established;
 805                 mServerStatusIcon = R.drawable.ic_ok;
 806             } else {
 807                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
 808                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
 809             }
 810             break;
 811
 812         case NO_NETWORK_CONNECTION:
 813             mServerStatusIcon = R.drawable.no_network;
 814             mServerStatusText = R.string.auth_no_net_conn_title;
 815             break;
 816
 817         case SSL_RECOVERABLE_PEER_UNVERIFIED:
 818             mServerStatusText = R.string.auth_ssl_unverified_server_title;
 819             break;
 820         case BAD_OC_VERSION:
 821             mServerStatusText = R.string.auth_bad_oc_version_title;
 822             break;
 823         case WRONG_CONNECTION:
 824             mServerStatusText = R.string.auth_wrong_connection_title;
 825             break;
 826         case TIMEOUT:
 827             mServerStatusText = R.string.auth_timeout_title;
 828             break;
 829         case INCORRECT_ADDRESS:
 830             mServerStatusText = R.string.auth_incorrect_address_title;
 831             break;
 832         case SSL_ERROR:
 833             mServerStatusText = R.string.auth_ssl_general_error_title;
 834             break;
 835         case UNAUTHORIZED:
 836             mServerStatusText = R.string.auth_unauthorized;
 837             break;
 838         case HOST_NOT_AVAILABLE:
 839             mServerStatusText = R.string.auth_unknown_host_title;
 840             break;
 841         case INSTANCE_NOT_CONFIGURED:
 842             mServerStatusText = R.string.auth_not_configured_title;
 843             break;
 844         case FILE_NOT_FOUND:
 845             mServerStatusText = R.string.auth_incorrect_path_title;
 846             break;
 847         case OAUTH2_ERROR:
 848             mServerStatusText = R.string.auth_oauth_error;
 849             break;
 850         case OAUTH2_ERROR_ACCESS_DENIED:
 851             mServerStatusText = R.string.auth_oauth_error_access_denied;
 852             break;
 853         case UNHANDLED_HTTP_CODE:
 854         case UNKNOWN_ERROR:
 855             mServerStatusText = R.string.auth_unknown_error_title;
 856             break;
 857         default:
 858             mServerStatusText = 0;
 859             mServerStatusIcon = 0;
 860         }
 861     }
 862
 863
 864     /**
 865      * Chooses the right icon and text to show to the user for the received operation result.
 866      *
 867      * @param result    Result of a remote operation performed in this activity
 868      */
 869     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
 870         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
 871
 872         switch (result.getCode()) {
 873         case OK_SSL:
 874             mAuthStatusIcon = android.R.drawable.ic_secure;
 875             mAuthStatusText = R.string.auth_secure_connection;
 876             break;
 877
 878         case OK_NO_SSL:
 879         case OK:
 880             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
 881                 mAuthStatusText = R.string.auth_connection_established;
 882                 mAuthStatusIcon = R.drawable.ic_ok;
 883             } else {
 884                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
 885                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
 886             }
 887             break;
 888
 889         case NO_NETWORK_CONNECTION:
 890             mAuthStatusIcon = R.drawable.no_network;
 891             mAuthStatusText = R.string.auth_no_net_conn_title;
 892             break;
 893
 894         case SSL_RECOVERABLE_PEER_UNVERIFIED:
 895             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
 896             break;
 897         case BAD_OC_VERSION:
 898             mAuthStatusText = R.string.auth_bad_oc_version_title;
 899             break;
 900         case WRONG_CONNECTION:
 901             mAuthStatusText = R.string.auth_wrong_connection_title;
 902             break;
 903         case TIMEOUT:
 904             mAuthStatusText = R.string.auth_timeout_title;
 905             break;
 906         case INCORRECT_ADDRESS:
 907             mAuthStatusText = R.string.auth_incorrect_address_title;
 908             break;
 909         case SSL_ERROR:
 910             mAuthStatusText = R.string.auth_ssl_general_error_title;
 911             break;
 912         case UNAUTHORIZED:
 913             mAuthStatusText = R.string.auth_unauthorized;
 914             break;
 915         case HOST_NOT_AVAILABLE:
 916             mAuthStatusText = R.string.auth_unknown_host_title;
 917             break;
 918         case INSTANCE_NOT_CONFIGURED:
 919             mAuthStatusText = R.string.auth_not_configured_title;
 920             break;
 921         case FILE_NOT_FOUND:
 922             mAuthStatusText = R.string.auth_incorrect_path_title;
 923             break;
 924         case OAUTH2_ERROR:
 925             mAuthStatusText = R.string.auth_oauth_error;
 926             break;
 927         case OAUTH2_ERROR_ACCESS_DENIED:
 928             mAuthStatusText = R.string.auth_oauth_error_access_denied;
 929             break;
 930         case UNHANDLED_HTTP_CODE:
 931         case UNKNOWN_ERROR:
 932             mAuthStatusText = R.string.auth_unknown_error_title;
 933             break;
 934         default:
 935             mAuthStatusText = 0;
 936             mAuthStatusIcon = 0;
 937         }
 938     }
 939
 940
 941     /**
 942      * Processes the result of the request for and access token send
 943      * to an OAuth authorization server.
 944      *
 945      * @param operation     Operation performed requesting the access token.
 946      * @param result        Result of the operation.
 947      */
 948     private void onGetOAuthAccessTokenFinish(OAuth2GetAccessToken operation, RemoteOperationResult result) {
 949         try {
 950             dismissDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
 951         } catch (IllegalArgumentException e) {
 952             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
 953         }
 954
 955         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, true);
 956         if (result.isSuccess() && webdav_path != null) {
 957             /// be gentle with the user
 958             showDialog(DIALOG_LOGIN_PROGRESS);
 959
 960             /// time to test the retrieved access token on the ownCloud server
 961             mOAuthAccessToken = ((OAuth2GetAccessToken)operation).getResultTokenMap().get(OAuth2Constants.KEY_ACCESS_TOKEN);
 962             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mOAuthAccessToken);
 963             mAuthCheckOperation = new ExistenceCheckOperation("", this, false);
 964             WebdavClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this);
 965             client.setBearerCredentials(mOAuthAccessToken);
 966             mAuthCheckOperation.execute(client, this, mHandler);
 967
 968         } else {
 969             updateAuthStatusIconAndText(result);
 970             showAuthStatus();
 971             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
 972         }
 973     }
 974
 975
 976     /**
 977      * Processes the result of the access check performed to try the user credentials.
 978      *
 979      * Creates a new account through the AccountManager.
 980      *
 981      * @param operation     Access check performed.
 982      * @param result        Result of the operation.
 983      */
 984     private void onAuthorizationCheckFinish(ExistenceCheckOperation operation, RemoteOperationResult result) {
 985         try {
 986             dismissDialog(DIALOG_LOGIN_PROGRESS);
 987         } catch (IllegalArgumentException e) {
 988             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
 989         }
 990
 991         if (result.isSuccess()) {
 992             Log_OC.d(TAG, "Successful access - time to save the account");
 993
 994             if (mAction == ACTION_CREATE) {
 995                 createAccount();
 996
 997             } else {
 998                 updateToken();
 999             }
1000
1001             finish();
1002
1003         } else if (result.isServerFail() || result.isException()) {
1004             /// if server fail or exception in authorization, the UI is updated as when a server check failed
1005             mServerIsChecked = true;
1006             mServerIsValid = false;
1007             mIsSslConn = false;
1008             mOcServerChkOperation = null;
1009             mDiscoveredVersion = null;
1010             mHostBaseUrl = normalizeUrl(mHostUrlInput.getText().toString());
1011
1012             // update status icon and text
1013             updateServerStatusIconAndText(result);
1014             showServerStatus();
1015             mAuthStatusIcon = 0;
1016             mAuthStatusText = 0;
1017             showAuthStatus();
1018
1019             // update input controls state
1020             showRefreshButton();
1021             mOkButton.setEnabled(false);
1022
1023             // very special case (TODO: move to a common place for all the remote operations) (dangerous here?)
1024             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1025                 mLastSslUntrustedServerResult = result;
1026                 showDialog(DIALOG_SSL_VALIDATOR);
1027             }
1028
1029         } else {    // authorization fail due to client side - probably wrong credentials
1030             updateAuthStatusIconAndText(result);
1031             showAuthStatus();
1032             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1033         }
1034     }
1035
1036
1037     /**
1038      * Sets the proper response to get that the Account Authenticator that started this activity saves
1039      * a new authorization token for mAccount.
1040      */
1041     private void updateToken() {
1042         Bundle response = new Bundle();
1043         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1044         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1045         boolean isOAuth = mOAuth2Check.isChecked();
1046         if (isOAuth) {
1047             response.putString(AccountManager.KEY_AUTHTOKEN, mOAuthAccessToken);
1048             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1049             mAccountMgr.setAuthToken(mAccount, AccountAuthenticator.AUTH_TOKEN_TYPE_ACCESS_TOKEN, mOAuthAccessToken);
1050         } else {
1051             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1052             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1053         }
1054         setAccountAuthenticatorResult(response);
1055     }
1056
1057
1058     /**
1059      * Creates a new account through the Account Authenticator that started this activity.
1060      *
1061      * This makes the account permanent.
1062      *
1063      * TODO Decide how to name the OAuth accounts
1064      */
1065     private void createAccount() {
1066         /// create and save new ownCloud account
1067         boolean isOAuth = mOAuth2Check.isChecked();
1068
1069         Uri uri = Uri.parse(mHostBaseUrl);
1070         String username = mUsernameInput.getText().toString().trim();
1071         if (isOAuth) {
1072             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1073         }
1074         String accountName = username + "@" + uri.getHost();
1075         if (uri.getPort() >= 0) {
1076             accountName += ":" + uri.getPort();
1077         }
1078         mAccount = new Account(accountName, AccountAuthenticator.ACCOUNT_TYPE);
1079         if (isOAuth) {
1080             mAccountMgr.addAccountExplicitly(mAccount, "", null);  // with our implementation, the password is never input in the app
1081         } else {
1082             mAccountMgr.addAccountExplicitly(mAccount, mPasswordInput.getText().toString(), null);
1083         }
1084
1085         /// add the new account as default in preferences, if there is none already
1086         Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1087         if (defaultAccount == null) {
1088             SharedPreferences.Editor editor = PreferenceManager
1089                     .getDefaultSharedPreferences(this).edit();
1090             editor.putString("select_oc_account", accountName);
1091             editor.commit();
1092         }
1093
1094         /// prepare result to return to the Authenticator
1095         //  TODO check again what the Authenticator makes with it; probably has the same effect as addAccountExplicitly, but it's not well done
1096         final Intent intent = new Intent();
1097         intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    AccountAuthenticator.ACCOUNT_TYPE);
1098         intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1099         if (!isOAuth)
1100             intent.putExtra(AccountManager.KEY_AUTHTOKEN,   AccountAuthenticator.ACCOUNT_TYPE); // TODO check this; not sure it's right; maybe
1101         intent.putExtra(AccountManager.KEY_USERDATA,        username);
1102         if (isOAuth) {
1103             mAccountMgr.setAuthToken(mAccount, AccountAuthenticator.AUTH_TOKEN_TYPE_ACCESS_TOKEN, mOAuthAccessToken);
1104         }
1105         /// add user data to the new account; TODO probably can be done in the last parameter addAccountExplicitly, or in KEY_USERDATA
1106         mAccountMgr.setUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION,    mDiscoveredVersion.toString());
1107         mAccountMgr.setUserData(mAccount, AccountAuthenticator.KEY_OC_BASE_URL,   mHostBaseUrl);
1108         if (isOAuth)
1109             mAccountMgr.setUserData(mAccount, AccountAuthenticator.KEY_SUPPORTS_OAUTH2, "TRUE");  // TODO this flag should be unnecessary
1110
1111         setAccountAuthenticatorResult(intent.getExtras());
1112         setResult(RESULT_OK, intent);
1113
1114         /// immediately request for the synchronization of the new account
1115         Bundle bundle = new Bundle();
1116         bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
1117         ContentResolver.requestSync(mAccount, AccountAuthenticator.AUTHORITY, bundle);
1118     }
1119
1120
1121     /**
1122      * {@inheritDoc}
1123      *
1124      * Necessary to update the contents of the SSL Dialog
1125      *
1126      * TODO move to some common place for all possible untrusted SSL failures
1127      */
1128     @Override
1129     protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
1130         switch (id) {
1131         case DIALOG_LOGIN_PROGRESS:
1132         case DIALOG_CERT_NOT_SAVED:
1133         case DIALOG_OAUTH2_LOGIN_PROGRESS:
1134             break;
1135         case DIALOG_SSL_VALIDATOR: {
1136             ((SslValidatorDialog)dialog).updateResult(mLastSslUntrustedServerResult);
1137             break;
1138         }
1139         default:
1140             Log_OC.e(TAG, "Incorrect dialog called with id = " + id);
1141         }
1142     }
1143
1144
1145     /**
1146      * {@inheritDoc}
1147      */
1148     @Override
1149     protected Dialog onCreateDialog(int id) {
1150         Dialog dialog = null;
1151         switch (id) {
1152         case DIALOG_LOGIN_PROGRESS: {
1153             /// simple progress dialog
1154             ProgressDialog working_dialog = new ProgressDialog(this);
1155             working_dialog.setMessage(getResources().getString(R.string.auth_trying_to_login));
1156             working_dialog.setIndeterminate(true);
1157             working_dialog.setCancelable(true);
1158             working_dialog
1159             .setOnCancelListener(new DialogInterface.OnCancelListener() {
1160                 @Override
1161                 public void onCancel(DialogInterface dialog) {
1162                     /// TODO study if this is enough
1163                     Log_OC.i(TAG, "Login canceled");
1164                     if (mOperationThread != null) {
1165                         mOperationThread.interrupt();
1166                         finish();
1167                     }
1168                 }
1169             });
1170             dialog = working_dialog;
1171             break;
1172         }
1173         case DIALOG_OAUTH2_LOGIN_PROGRESS: {
1174             ProgressDialog working_dialog = new ProgressDialog(this);
1175             working_dialog.setMessage(String.format("Getting authorization"));
1176             working_dialog.setIndeterminate(true);
1177             working_dialog.setCancelable(true);
1178             working_dialog
1179             .setOnCancelListener(new DialogInterface.OnCancelListener() {
1180                 @Override
1181                 public void onCancel(DialogInterface dialog) {
1182                     Log_OC.i(TAG, "Login canceled");
1183                     finish();
1184                 }
1185             });
1186             dialog = working_dialog;
1187             break;
1188         }
1189         case DIALOG_SSL_VALIDATOR: {
1190             /// TODO start to use new dialog interface, at least for this (it is a FragmentDialog already)
1191             dialog = SslValidatorDialog.newInstance(this, mLastSslUntrustedServerResult, this);
1192             break;
1193         }
1194         case DIALOG_CERT_NOT_SAVED: {
1195             AlertDialog.Builder builder = new AlertDialog.Builder(this);
1196             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
1197             builder.setCancelable(false);
1198             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
1199                 @Override
1200                 public void onClick(DialogInterface dialog, int which) {
1201                     dialog.dismiss();
1202                 };
1203             });
1204             dialog = builder.create();
1205             break;
1206         }
1207         default:
1208             Log_OC.e(TAG, "Incorrect dialog called with id = " + id);
1209         }
1210         return dialog;
1211     }
1212
1213
1214     /**
1215      * Starts and activity to open the 'new account' page in the ownCloud web site
1216      *
1217      * @param view      'Account register' button
1218      */
1219     public void onRegisterClick(View view) {
1220         Intent register = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.url_account_register)));
1221         setResult(RESULT_CANCELED);
1222         startActivity(register);
1223     }
1224
1225
1226     /**
1227      * Updates the content and visibility state of the icon and text associated
1228      * to the last check on the ownCloud server.
1229      */
1230     private void showServerStatus() {
1231         TextView tv = (TextView) findViewById(R.id.server_status_text);
1232
1233         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1234             tv.setVisibility(View.INVISIBLE);
1235
1236         } else {
1237             tv.setText(mServerStatusText);
1238             tv.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1239             tv.setVisibility(View.VISIBLE);
1240         }
1241
1242     }
1243
1244
1245     /**
1246      * Updates the content and visibility state of the icon and text associated
1247      * to the interactions with the OAuth authorization server.
1248      */
1249     private void showAuthStatus() {
1250         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1251             mAuthStatusLayout.setVisibility(View.INVISIBLE);
1252
1253         } else {
1254             mAuthStatusLayout.setText(mAuthStatusText);
1255             mAuthStatusLayout.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1256             mAuthStatusLayout.setVisibility(View.VISIBLE);
1257         }
1258     }
1259
1260
1261     private void showRefreshButton() {
1262         mRefreshButton.setVisibility(View.VISIBLE);
1263     }
1264
1265     private void hideRefreshButton() {
1266         mRefreshButton.setVisibility(View.GONE);
1267     }
1268
1269     /**
1270      * Called when the refresh button in the input field for ownCloud host is clicked.
1271      *
1272      * Performs a new check on the URL in the input field.
1273      *
1274      * @param view      Refresh 'button'
1275      */
1276     public void onRefreshClick(View view) {
1277         checkOcServer();
1278     }
1279
1280
1281     /**
1282      * Called when the eye icon in the password field is clicked.
1283      *
1284      * Toggles the visibility of the password in the field.
1285      */
1286     public void onViewPasswordClick() {
1287         int selectionStart = mPasswordInput.getSelectionStart();
1288         int selectionEnd = mPasswordInput.getSelectionEnd();
1289         if (isPasswordVisible()) {
1290             hidePassword();
1291         } else {
1292             showPassword();
1293         }
1294         mPasswordInput.setSelection(selectionStart, selectionEnd);
1295     }
1296
1297
1298     /**
1299      * Called when the checkbox for OAuth authorization is clicked.
1300      *
1301      * Hides or shows the input fields for user & password.
1302      *
1303      * @param view      'View password' 'button'
1304      */
1305     public void onCheckClick(View view) {
1306         CheckBox oAuth2Check = (CheckBox)view;
1307         if (oAuth2Check.isChecked()) {
1308             mCurrentAuthorizationMethod = AUTH_METHOD_OAUTH2;
1309         } else {
1310             mCurrentAuthorizationMethod = AUTH_METHOD_BASIC_HTTP;
1311         }
1312         adaptViewAccordingToAuthenticationMethod();
1313     }
1314
1315
1316     /**
1317      * Changes the visibility of input elements depending on
1318      * the current authorization method.
1319      */
1320     private void adaptViewAccordingToAuthenticationMethod () {
1321         switch (mCurrentAuthorizationMethod) {
1322             case AUTH_METHOD_OAUTH2:
1323                 // OAuth 2 authorization
1324                 mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
1325                 mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
1326                 mUsernameInput.setVisibility(View.GONE);
1327                 mPasswordInput.setVisibility(View.GONE);
1328                 mAccountNameInput.setVisibility(View.GONE);
1329                 mWebSsoView.setVisibility(View.GONE);
1330                 break;
1331
1332             case AUTH_METHOD_SAML_WEB_SSO:
1333                 // SAML-based web Single Sign On
1334                 mOAuthAuthEndpointText.setVisibility(View.GONE);
1335                 mOAuthTokenEndpointText.setVisibility(View.GONE);
1336                 mUsernameInput.setVisibility(View.GONE);
1337                 mPasswordInput.setVisibility(View.GONE);
1338                 mAccountNameInput.setVisibility(View.VISIBLE);
1339                 mWebSsoView.setVisibility(View.VISIBLE);
1340                 break;
1341
1342             case AUTH_METHOD_BASIC_HTTP:
1343             default:
1344                 // basic HTTP authorization
1345                 mOAuthAuthEndpointText.setVisibility(View.GONE);
1346                 mOAuthTokenEndpointText.setVisibility(View.GONE);
1347                 mUsernameInput.setVisibility(View.VISIBLE);
1348                 mPasswordInput.setVisibility(View.VISIBLE);
1349                 mAccountNameInput.setVisibility(View.GONE);
1350                 mWebSsoView.setVisibility(View.GONE);
1351             }
1352     }
1353
1354     /**
1355      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1356      */
1357     public void onSavedCertificate() {
1358         checkOcServer();
1359     }
1360
1361     /**
1362      * Called from SslValidatorDialog when a new server certificate could not be saved
1363      * when the user requested it.
1364      */
1365     @Override
1366     public void onFailedSavingCertificate() {
1367         showDialog(DIALOG_CERT_NOT_SAVED);
1368     }
1369
1370
1371     /**
1372      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1373      *
1374      *  Used to trigger the authorization check when the user presses 'enter' after writing the password.
1375      */
1376     @Override
1377     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1378         if (inputField != null && inputField.equals(mPasswordInput) &&
1379                 actionId == EditorInfo.IME_ACTION_DONE) {
1380             if (mOkButton.isEnabled()) {
1381                 mOkButton.performClick();
1382             }
1383         }
1384         return false;   // always return false to grant that the software keyboard is hidden anyway
1385     }
1386
1387
1388     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1389
1390         private int fuzz = 75;
1391
1392         /**
1393          * {@inheritDoc}
1394          */
1395         @Override
1396         public boolean onTouch(View view, MotionEvent event) {
1397             Drawable rightDrawable = null;
1398             if (view instanceof TextView) {
1399                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1400                 if (drawables.length > 2) {
1401                     rightDrawable = drawables[2];
1402                 }
1403             }
1404             if (rightDrawable != null) {
1405                 final int x = (int) event.getX();
1406                 final int y = (int) event.getY();
1407                 final Rect bounds = rightDrawable.getBounds();
1408                 if (x >= (view.getRight() - bounds.width() - fuzz) && x <= (view.getRight() - view.getPaddingRight() + fuzz)
1409                     && y >= (view.getPaddingTop() - fuzz) && y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1410
1411                     return onDrawableTouch(event);
1412                 }
1413             }
1414             return false;
1415         }
1416
1417         public abstract boolean onDrawableTouch(final MotionEvent event);
1418     }
1419
1420 }