src/com/owncloud/android/authentication/AuthenticatorActivity.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012  Bartek Przybylski
   3  *   Copyright (C) 2012-2013 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.authentication;
  20
  21 import java.security.cert.X509Certificate;
  22
  23 import android.accounts.Account;
  24 import android.accounts.AccountManager;
  25 import android.app.AlertDialog;
  26 import android.app.Dialog;
  27 import android.app.ProgressDialog;
  28 import android.content.ComponentName;
  29 import android.content.Context;
  30 import android.content.DialogInterface;
  31 import android.content.Intent;
  32 import android.content.ServiceConnection;
  33 import android.content.SharedPreferences;
  34 import android.graphics.Rect;
  35 import android.graphics.drawable.Drawable;
  36 import android.net.Uri;
  37 import android.net.http.SslError;
  38 import android.os.Bundle;
  39 import android.os.Handler;
  40 import android.os.IBinder;
  41 import android.preference.PreferenceManager;
  42 import android.support.v4.app.Fragment;
  43 import android.support.v4.app.FragmentManager;
  44 import android.support.v4.app.FragmentTransaction;
  45 import android.text.Editable;
  46 import android.text.InputType;
  47 import android.text.TextWatcher;
  48 import android.util.Log;
  49 import android.view.KeyEvent;
  50 import android.view.MotionEvent;
  51 import android.view.View;
  52 import android.view.View.OnFocusChangeListener;
  53 import android.view.View.OnTouchListener;
  54 import android.view.Window;
  55 import android.view.inputmethod.EditorInfo;
  56 import android.webkit.SslErrorHandler;
  57 import android.widget.Button;
  58 import android.widget.CheckBox;
  59 import android.widget.EditText;
  60 import android.widget.TextView;
  61 import android.widget.TextView.OnEditorActionListener;
  62 import android.widget.Toast;
  63
  64 import com.actionbarsherlock.app.SherlockDialogFragment;
  65 import com.owncloud.android.MainApp;
  66 import com.owncloud.android.R;
  67 import com.owncloud.android.authentication.SsoWebViewClient.SsoWebViewClientListener;
  68 import com.owncloud.android.lib.common.accounts.AccountTypeUtils;
  69 import com.owncloud.android.lib.common.accounts.AccountUtils.Constants;
  70 import com.owncloud.android.lib.common.OwnCloudClientFactory;
  71 import com.owncloud.android.lib.common.OwnCloudClient;
  72 import com.owncloud.android.operations.DetectAuthenticationMethodOperation;
  73 import com.owncloud.android.operations.DetectAuthenticationMethodOperation.AuthenticationMethod;
  74 import com.owncloud.android.operations.OAuth2GetAccessToken;
  75
  76 import com.owncloud.android.lib.common.network.CertificateCombinedException;
  77 import com.owncloud.android.lib.common.operations.OnRemoteOperationListener;
  78 import com.owncloud.android.lib.resources.status.GetRemoteStatusOperation;
  79 import com.owncloud.android.lib.common.operations.RemoteOperation;
  80 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  81 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  82 import com.owncloud.android.lib.resources.files.ExistenceCheckRemoteOperation;
  83 import com.owncloud.android.lib.resources.users.GetRemoteUserNameOperation;
  84
  85 import com.owncloud.android.services.OperationsService;
  86 import com.owncloud.android.services.OperationsService.OperationsServiceBinder;
  87 import com.owncloud.android.ui.dialog.SamlWebViewDialog;
  88 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog;
  89 import com.owncloud.android.ui.dialog.SslUntrustedCertDialog.OnSslUntrustedCertListener;
  90 import com.owncloud.android.utils.Log_OC;
  91 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  92
  93 /**
  94  * This Activity is used to add an ownCloud account to the App
  95  *
  96  * @author Bartek Przybylski
  97  * @author David A. Velasco
  98  */
  99 public class AuthenticatorActivity extends AccountAuthenticatorActivity
 100 implements  OnRemoteOperationListener, OnFocusChangeListener, OnEditorActionListener,
 101 SsoWebViewClientListener, OnSslUntrustedCertListener {
 102
 103     private static final String TAG = AuthenticatorActivity.class.getSimpleName();
 104
 105     public static final String EXTRA_ACCOUNT = "ACCOUNT";
 106     public static final String EXTRA_USER_NAME = "USER_NAME";
 107     public static final String EXTRA_HOST_NAME = "HOST_NAME";
 108     public static final String EXTRA_ACTION = "ACTION";
 109     public static final String EXTRA_ENFORCED_UPDATE = "ENFORCE_UPDATE";
 110
 111     private static final String KEY_AUTH_MESSAGE_VISIBILITY = "AUTH_MESSAGE_VISIBILITY";
 112     private static final String KEY_AUTH_MESSAGE_TEXT = "AUTH_MESSAGE_TEXT";
 113     private static final String KEY_HOST_URL_TEXT = "HOST_URL_TEXT";
 114     private static final String KEY_OC_VERSION = "OC_VERSION";
 115     private static final String KEY_OC_VERSION_STRING = "OC_VERSION_STRING";
 116     private static final String KEY_ACCOUNT = "ACCOUNT";
 117     private static final String KEY_SERVER_VALID = "SERVER_VALID";
 118     private static final String KEY_SERVER_CHECKED = "SERVER_CHECKED";
 119     private static final String KEY_SERVER_CHECK_IN_PROGRESS = "SERVER_CHECK_IN_PROGRESS";
 120     private static final String KEY_SERVER_STATUS_TEXT = "SERVER_STATUS_TEXT";
 121     private static final String KEY_SERVER_STATUS_ICON = "SERVER_STATUS_ICON";
 122     private static final String KEY_IS_SSL_CONN = "IS_SSL_CONN";
 123     private static final String KEY_PASSWORD_VISIBLE = "PASSWORD_VISIBLE";
 124     private static final String KEY_AUTH_STATUS_TEXT = "AUTH_STATUS_TEXT";
 125     private static final String KEY_AUTH_STATUS_ICON = "AUTH_STATUS_ICON";
 126     private static final String KEY_REFRESH_BUTTON_ENABLED = "KEY_REFRESH_BUTTON_ENABLED";
 127     //private static final String KEY_IS_SHARED_SUPPORTED = "KEY_IS_SHARE_SUPPORTED";
 128     private static final String KEY_SERVER_AUTH_METHOD = "KEY_SERVER_AUTH_METHOD";
 129     private static final String KEY_DETECT_AUTH_OP_ID = "KEY_DETECT_AUTH_OP_ID";
 130
 131
 132     private static final String AUTH_ON = "on";
 133     private static final String AUTH_OFF = "off";
 134     private static final String AUTH_OPTIONAL = "optional";
 135
 136     private static final int DIALOG_LOGIN_PROGRESS = 0;
 137     private static final int DIALOG_CERT_NOT_SAVED = 1;
 138     private static final int DIALOG_OAUTH2_LOGIN_PROGRESS = 2;
 139
 140     public static final byte ACTION_CREATE = 0;
 141     public static final byte ACTION_UPDATE_TOKEN = 1;
 142
 143     private static final String TAG_SAML_DIALOG = "samlWebViewDialog";
 144
 145     private String mHostBaseUrl;
 146     private OwnCloudVersion mDiscoveredVersion;
 147
 148     private String mAuthMessageText;
 149     private int mAuthMessageVisibility, mServerStatusText, mServerStatusIcon;
 150     private boolean mServerIsChecked, mServerIsValid, mIsSslConn;
 151     private AuthenticationMethod mServerAuthMethod = AuthenticationMethod.UNKNOWN;
 152     private int mDetectAuthOpId = -1;
 153
 154     private int mAuthStatusText, mAuthStatusIcon;
 155     private TextView mAuthStatusLayout;
 156
 157     private final Handler mHandler = new Handler();
 158     private Thread mOperationThread;
 159     private GetRemoteStatusOperation mOcServerChkOperation;
 160     private ExistenceCheckRemoteOperation mAuthCheckOperation;
 161
 162     private Uri mNewCapturedUriFromOAuth2Redirection;
 163
 164     private AccountManager mAccountMgr;
 165     private boolean mJustCreated;
 166     private byte mAction;
 167     private Account mAccount;
 168
 169     private TextView mAuthMessage;
 170
 171     private EditText mHostUrlInput;
 172     private boolean mHostUrlInputEnabled;
 173     private View mRefreshButton;
 174
 175     private String mAuthTokenType;
 176
 177     private EditText mUsernameInput;
 178     private EditText mPasswordInput;
 179
 180     private CheckBox mOAuth2Check;
 181
 182     private TextView mOAuthAuthEndpointText;
 183     private TextView mOAuthTokenEndpointText;
 184
 185     private SamlWebViewDialog mSamlDialog;
 186
 187     private View mOkButton;
 188
 189     private String mAuthToken;
 190
 191     private boolean mResumed; // Control if activity is resumed
 192
 193     public static String DIALOG_UNTRUSTED_CERT = "DIALOG_UNTRUSTED_CERT";
 194
 195     private ServiceConnection mOperationsServiceConnection = null;
 196
 197     private OperationsServiceBinder mOperationsServiceBinder = null;
 198
 199     /**
 200      * {@inheritDoc}
 201      *
 202      * IMPORTANT ENTRY POINT 1: activity is shown to the user
 203      */
 204     @Override
 205     protected void onCreate(Bundle savedInstanceState) {
 206         super.onCreate(savedInstanceState);
 207         getWindow().requestFeature(Window.FEATURE_NO_TITLE);
 208
 209         // bind to Operations Service
 210         mOperationsServiceConnection = new OperationsServiceConnection();
 211         if (!bindService(new Intent(this, OperationsService.class),
 212                 mOperationsServiceConnection,
 213                 Context.BIND_AUTO_CREATE)) {
 214             Toast.makeText(this,
 215                     R.string.error_cant_bind_to_operations_service,
 216                     Toast.LENGTH_LONG)
 217                         .show();
 218             finish();
 219         }
 220
 221         /// set view and get references to view elements
 222         setContentView(R.layout.account_setup);
 223         mAuthMessage = (TextView) findViewById(R.id.auth_message);
 224         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 225         mHostUrlInput.setText(getString(R.string.server_url));  // valid although R.string.server_url is an empty string
 226         mUsernameInput = (EditText) findViewById(R.id.account_username);
 227         mPasswordInput = (EditText) findViewById(R.id.account_password);
 228         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 229         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 230         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 231         mOkButton = findViewById(R.id.buttonOK);
 232         mAuthStatusLayout = (TextView) findViewById(R.id.auth_status_text);
 233
 234         /// set Host Url Input Enabled
 235         mHostUrlInputEnabled = getResources().getBoolean(R.bool.show_server_url_input);
 236
 237         /// set visibility of link for new users
 238         boolean accountRegisterVisibility = getResources().getBoolean(R.bool.show_welcome_link);
 239         Button welcomeLink = (Button) findViewById(R.id.welcome_link);
 240         if (welcomeLink != null) {
 241             if (accountRegisterVisibility) {
 242                 welcomeLink.setVisibility(View.VISIBLE);
 243                 welcomeLink.setText(String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 244             } else {
 245                 findViewById(R.id.welcome_link).setVisibility(View.GONE);
 246             }
 247         }
 248
 249         /// initialization
 250         mAccountMgr = AccountManager.get(this);
 251         mNewCapturedUriFromOAuth2Redirection = null;
 252         mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE);
 253         mAccount = null;
 254         mHostBaseUrl = "";
 255         boolean refreshButtonEnabled = false;
 256
 257         // URL input configuration applied
 258         if (!mHostUrlInputEnabled)
 259         {
 260             findViewById(R.id.hostUrlFrame).setVisibility(View.GONE);
 261             mRefreshButton = findViewById(R.id.centeredRefreshButton);
 262
 263         } else {
 264             mRefreshButton = findViewById(R.id.embeddedRefreshButton);
 265         }
 266
 267         if (savedInstanceState == null) {
 268             mResumed = false;
 269             /// connection state and info
 270             mAuthMessageVisibility = View.GONE;
 271             mServerStatusText = mServerStatusIcon = 0;
 272             mServerIsValid = false;
 273             mServerIsChecked = false;
 274             mIsSslConn = false;
 275             mAuthStatusText = mAuthStatusIcon = 0;
 276
 277             /// retrieve extras from intent
 278             mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 279             if (mAccount != null) {
 280                 String ocVersion = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION);
 281                 String ocVersionString = mAccountMgr.getUserData(mAccount, Constants.KEY_OC_VERSION_STRING);
 282                 if (ocVersion != null) {
 283                     mDiscoveredVersion = new OwnCloudVersion(ocVersion, ocVersionString);
 284                 }
 285                 mHostBaseUrl = normalizeUrl(mAccountMgr.getUserData(mAccount, Constants.KEY_OC_BASE_URL));
 286                 mHostUrlInput.setText(mHostBaseUrl);
 287                 String userName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 288                 mUsernameInput.setText(userName);
 289
 290             }
 291             initAuthorizationMethod();  // checks intent and setup.xml to determine mCurrentAuthorizationMethod
 292             mJustCreated = true;
 293
 294             if (mAction == ACTION_UPDATE_TOKEN || !mHostUrlInputEnabled) {
 295                 checkOcServer();
 296             }
 297
 298         } else {
 299             mResumed = true;
 300             /// connection state and info
 301             mAuthMessageVisibility = savedInstanceState.getInt(KEY_AUTH_MESSAGE_VISIBILITY);
 302             mAuthMessageText = savedInstanceState.getString(KEY_AUTH_MESSAGE_TEXT);
 303             mServerIsValid = savedInstanceState.getBoolean(KEY_SERVER_VALID);
 304             mServerIsChecked = savedInstanceState.getBoolean(KEY_SERVER_CHECKED);
 305             mServerStatusText = savedInstanceState.getInt(KEY_SERVER_STATUS_TEXT);
 306             mServerStatusIcon = savedInstanceState.getInt(KEY_SERVER_STATUS_ICON);
 307             mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 308             mAuthStatusText = savedInstanceState.getInt(KEY_AUTH_STATUS_TEXT);
 309             mAuthStatusIcon = savedInstanceState.getInt(KEY_AUTH_STATUS_ICON);
 310             if (savedInstanceState.getBoolean(KEY_PASSWORD_VISIBLE, false)) {
 311                 showPassword();
 312             }
 313
 314             /// server data
 315             String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 316             String ocVersionString = savedInstanceState.getString(KEY_OC_VERSION_STRING);
 317             if (ocVersion != null) {
 318                 mDiscoveredVersion = new OwnCloudVersion(ocVersion, ocVersionString);
 319             }
 320             mHostBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 321
 322             // account data, if updating
 323             mAccount = savedInstanceState.getParcelable(KEY_ACCOUNT);
 324             mAuthTokenType = savedInstanceState.getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 325             if (mAuthTokenType == null) {
 326                 mAuthTokenType =  AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 327
 328             }
 329
 330             // check if server check was interrupted by a configuration change
 331             if (savedInstanceState.getBoolean(KEY_SERVER_CHECK_IN_PROGRESS, false)) {
 332                 checkOcServer();
 333             }
 334
 335             // refresh button enabled
 336             refreshButtonEnabled = savedInstanceState.getBoolean(KEY_REFRESH_BUTTON_ENABLED);
 337
 338
 339             mServerAuthMethod = AuthenticationMethod.valueOf(
 340                     savedInstanceState.getString(KEY_SERVER_AUTH_METHOD));
 341             mDetectAuthOpId = savedInstanceState.getInt(KEY_DETECT_AUTH_OP_ID);
 342
 343         }
 344
 345         if (mAuthMessageVisibility== View.VISIBLE) {
 346             showAuthMessage(mAuthMessageText);
 347         }
 348         else {
 349             hideAuthMessage();
 350         }
 351         adaptViewAccordingToAuthenticationMethod();
 352         showServerStatus();
 353         showAuthStatus();
 354
 355         if (mAction == ACTION_UPDATE_TOKEN) {
 356             /// lock things that should not change
 357             mHostUrlInput.setEnabled(false);
 358             mHostUrlInput.setFocusable(false);
 359             mUsernameInput.setEnabled(false);
 360             mUsernameInput.setFocusable(false);
 361             mOAuth2Check.setVisibility(View.GONE);
 362         }
 363
 364         //if (mServerIsChecked && !mServerIsValid && mRefreshButtonEnabled) showRefreshButton();
 365         if (mServerIsChecked && !mServerIsValid && refreshButtonEnabled) showRefreshButton();
 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 && mOcServerChkOperation != 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, mDetectAuthOpId);
 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                 hideRefreshButton();
 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             if (!mServerIsValid) {
 652                 showRefreshButton();
 653             }
 654         }
 655     }
 656
 657
 658     private void checkOcServer() {
 659         String uri = trimUrlWebdav(mHostUrlInput.getText().toString().trim());
 660
 661         if (!mHostUrlInputEnabled){
 662             uri = getString(R.string.server_url);
 663         }
 664
 665         mServerIsValid = false;
 666         mServerIsChecked = false;
 667         mOkButton.setEnabled(false);
 668         mDiscoveredVersion = null;
 669         hideRefreshButton();
 670         if (uri.length() != 0) {
 671             mServerStatusText = R.string.auth_testing_connection;
 672             mServerStatusIcon = R.drawable.progress_small;
 673             showServerStatus();
 674             mOcServerChkOperation = new  GetRemoteStatusOperation(uri, this);
 675             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(uri), this, true);
 676             mOperationThread = mOcServerChkOperation.execute(client, this, mHandler);
 677         } else {
 678             mServerStatusText = 0;
 679             mServerStatusIcon = 0;
 680             showServerStatus();
 681         }
 682     }
 683
 684
 685     /**
 686      * Handles changes in focus on the text input for the password (basic authorization).
 687      *
 688      * When (hasFocus), the button to toggle password visibility is shown.
 689      *
 690      * When (!hasFocus), the button is made invisible and the password is hidden.
 691      *
 692      * @param passwordInput    TextView with the password input field receiving the change of focus.
 693      * @param hasFocus          'True' if focus is received, 'false' if is lost
 694      */
 695     private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {
 696         if (hasFocus) {
 697             showViewPasswordButton();
 698         } else {
 699             hidePassword();
 700             hidePasswordButton();
 701         }
 702     }
 703
 704
 705     private void showViewPasswordButton() {
 706         //int drawable = android.R.drawable.ic_menu_view;
 707         int drawable = R.drawable.ic_view;
 708         if (isPasswordVisible()) {
 709             //drawable = android.R.drawable.ic_secure;
 710             drawable = R.drawable.ic_hide;
 711         }
 712         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 713     }
 714
 715     private boolean isPasswordVisible() {
 716         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 717     }
 718
 719     private void hidePasswordButton() {
 720         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 721     }
 722
 723     private void showPassword() {
 724         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 725         showViewPasswordButton();
 726     }
 727
 728     private void hidePassword() {
 729         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
 730         showViewPasswordButton();
 731     }
 732
 733
 734     /**
 735      * Cancels the authenticator activity
 736      *
 737      * IMPORTANT ENTRY POINT 3: Never underestimate the importance of cancellation
 738      *
 739      * This method is bound in the layout/acceoun_setup.xml resource file.
 740      *
 741      * @param view      Cancel button
 742      */
 743     public void onCancelClick(View view) {
 744         setResult(RESULT_CANCELED);     // TODO review how is this related to AccountAuthenticator (debugging)
 745         finish();
 746     }
 747
 748
 749
 750     /**
 751      * Checks the credentials of the user in the root of the ownCloud server
 752      * before creating a new local account.
 753      *
 754      * For basic authorization, a check of existence of the root folder is
 755      * performed.
 756      *
 757      * For OAuth, starts the flow to get an access token; the credentials test
 758      * is postponed until it is available.
 759      *
 760      * IMPORTANT ENTRY POINT 4
 761      *
 762      * @param view      OK button
 763      */
 764     public void onOkClick(View view) {
 765         // this check should be unnecessary
 766         if (mDiscoveredVersion == null || !mDiscoveredVersion.isVersionValid()  || mHostBaseUrl == null || mHostBaseUrl.length() == 0) {
 767             mServerStatusIcon = R.drawable.common_error;
 768             mServerStatusText = R.string.auth_wtf_reenter_URL;
 769             showServerStatus();
 770             mOkButton.setEnabled(false);
 771             Log_OC.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");
 772             return;
 773         }
 774
 775         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 776             startOauthorization();
 777         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 778             startSamlBasedFederatedSingleSignOnAuthorization();
 779         } else {
 780             checkBasicAuthorization();
 781         }
 782     }
 783
 784
 785     /**
 786      * Tests the credentials entered by the user performing a check of existence on
 787      * the root folder of the ownCloud server.
 788      */
 789     private void checkBasicAuthorization() {
 790         /// get the path to the root folder through WebDAV from the version server
 791         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 792
 793         /// get basic credentials entered by user
 794         String username = mUsernameInput.getText().toString();
 795         String password = mPasswordInput.getText().toString();
 796
 797         /// be gentle with the user
 798         showDialog(DIALOG_LOGIN_PROGRESS);
 799
 800         /// test credentials accessing the root folder
 801         mAuthCheckOperation = new  ExistenceCheckRemoteOperation("", this, false);
 802         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, true);
 803         client.setBasicCredentials(username, password);
 804         mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
 805     }
 806
 807
 808     /**
 809      * Starts the OAuth 'grant type' flow to get an access token, with
 810      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 811      */
 812     private void startOauthorization() {
 813         // be gentle with the user
 814         mAuthStatusIcon = R.drawable.progress_small;
 815         mAuthStatusText = R.string.oauth_login_connection;
 816         showAuthStatus();
 817
 818
 819         // GET AUTHORIZATION request
 820         //Uri uri = Uri.parse(getString(R.string.oauth2_url_endpoint_auth));
 821         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 822         Uri.Builder uriBuilder = uri.buildUpon();
 823         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type));
 824         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri));
 825         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id));
 826         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope));
 827         //uriBuilder.appendQueryParameter(OAuth2Constants.KEY_STATE, whateverwewant);
 828         uri = uriBuilder.build();
 829         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 830         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 831         startActivity(i);
 832     }
 833
 834
 835     /**
 836      * Starts the Web Single Sign On flow to get access to the root folder
 837      * in the server.
 838      */
 839     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 840         // be gentle with the user
 841         mAuthStatusIcon = R.drawable.progress_small;
 842         mAuthStatusText = R.string.auth_connecting_auth_server;
 843         showAuthStatus();
 844         showDialog(DIALOG_LOGIN_PROGRESS);
 845
 846         /// get the path to the root folder through WebDAV from the version server
 847         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 848
 849         /// test credentials accessing the root folder
 850         mAuthCheckOperation = new  ExistenceCheckRemoteOperation("", this, false);
 851         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, false);
 852         mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
 853
 854     }
 855
 856     /**
 857      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 858      *
 859      * Dispatches the operation flow to the right method.
 860      */
 861     @Override
 862     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 863
 864         if (operation instanceof GetRemoteStatusOperation) {
 865             onOcServerCheckFinish((GetRemoteStatusOperation) operation, result);
 866
 867         } else if (operation instanceof OAuth2GetAccessToken) {
 868             onGetOAuthAccessTokenFinish((OAuth2GetAccessToken)operation, result);
 869
 870         } else if (operation instanceof ExistenceCheckRemoteOperation)  {
 871             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 872                 onSamlBasedFederatedSingleSignOnAuthorizationStart(operation, result);
 873
 874             } else {
 875                 onAuthorizationCheckFinish((ExistenceCheckRemoteOperation)operation, result);
 876             }
 877         } else if (operation instanceof GetRemoteUserNameOperation) {
 878             onGetUserNameFinish((GetRemoteUserNameOperation) operation, result);
 879
 880         } else if (operation instanceof DetectAuthenticationMethodOperation) {
 881             Log.wtf(TAG, "received detection response through callback" );
 882             onDetectAuthenticationFinish(result);
 883         }
 884
 885     }
 886
 887     private void onDetectAuthenticationFinish(RemoteOperationResult result) {
 888         // Read authentication method
 889         mDetectAuthOpId = -1;
 890         if (result.getData().size() > 0) {
 891             AuthenticationMethod authMethod = (AuthenticationMethod) result.getData().get(0);
 892             String basic = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 893             String oAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
 894             String saml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 895
 896             if ( ( mAuthTokenType.equals(basic) && !authMethod.equals(AuthenticationMethod.BASIC_HTTP_AUTH) ) ||
 897                     ( mAuthTokenType.equals(oAuth) && !authMethod.equals(AuthenticationMethod.BEARER_TOKEN) ) ||
 898                     ( mAuthTokenType.equals(saml)  && !authMethod.equals(AuthenticationMethod.SAML_WEB_SSO) ) ) {
 899
 900                 mOkButton.setEnabled(false);
 901                 mServerIsValid = false;
 902                 //show an alert message ( Server Status )
 903                 updateServerStatusIconNoRegularAuth();
 904                 showServerStatus();
 905
 906             } else {
 907                 mOkButton.setEnabled(true);
 908
 909                 // Show server status
 910                 showServerStatus();
 911             }
 912
 913         }
 914     }
 915
 916
 917
 918     private void onGetUserNameFinish(GetRemoteUserNameOperation operation, RemoteOperationResult result) {
 919
 920         if (result.isSuccess()) {
 921             boolean success = false;
 922             String username = operation.getUserName();
 923
 924             if ( mAction == ACTION_CREATE) {
 925                 mUsernameInput.setText(username);
 926                 success = createAccount();
 927             } else {
 928
 929                 if (!mUsernameInput.getText().toString().equals(username)) {
 930                     // fail - not a new account, but an existing one; disallow
 931                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
 932                     updateAuthStatusIconAndText(result);
 933                     showAuthStatus();
 934                     Log_OC.d(TAG, result.getLogMessage());
 935                 } else {
 936                     updateToken();
 937                     success = true;
 938                 }
 939             }
 940
 941             if (success)
 942                 finish();
 943         } else {
 944             updateStatusIconFailUserName();
 945             showAuthStatus();
 946             Log_OC.e(TAG, "Access to user name failed: " + result.getLogMessage());
 947         }
 948
 949     }
 950
 951     private void onSamlBasedFederatedSingleSignOnAuthorizationStart(RemoteOperation operation, RemoteOperationResult result) {
 952         try {
 953             dismissDialog(DIALOG_LOGIN_PROGRESS);
 954         } catch (IllegalArgumentException e) {
 955             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
 956         }
 957
 958         //if (result.isTemporalRedirection() && result.isIdPRedirection()) {
 959         if (result.isIdPRedirection()) {
 960             String url = result.getRedirectedLocation();
 961             String targetUrl = mHostBaseUrl + AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 962
 963             // Show dialog
 964             mSamlDialog = SamlWebViewDialog.newInstance(url, targetUrl);
 965             mSamlDialog.show(getSupportFragmentManager(), TAG_SAML_DIALOG);
 966
 967             mAuthStatusIcon = 0;
 968             mAuthStatusText = 0;
 969
 970         } else {
 971             mAuthStatusIcon = R.drawable.common_error;
 972             mAuthStatusText = R.string.auth_unsupported_auth_method;
 973
 974         }
 975         showAuthStatus();
 976     }
 977
 978
 979     /**
 980      * Processes the result of the server check performed when the user finishes the enter of the
 981      * server URL.
 982      *
 983      * @param operation     Server check performed.
 984      * @param result        Result of the check.
 985      */
 986     private void onOcServerCheckFinish(GetRemoteStatusOperation operation, RemoteOperationResult result) {
 987         if (operation.equals(mOcServerChkOperation)) {
 988             /// save result state
 989             mServerIsChecked = true;
 990             mServerIsValid = result.isSuccess();
 991             mIsSslConn = (result.getCode() == ResultCode.OK_SSL);
 992             mOcServerChkOperation = null;
 993
 994
 995             /// retrieve discovered version and normalize server URL
 996             mDiscoveredVersion = operation.getDiscoveredVersion();
 997             mHostBaseUrl = normalizeUrl(mHostUrlInput.getText().toString());
 998
 999             // Refresh server status, but don't show it
1000             updateServerStatusIconAndText(result);
1001
1002             /// update status icon and text
1003             if (mServerIsValid) {
1004                 hideRefreshButton();
1005                 // Try to create an account with user and pass "", to know if it is a regular server
1006                 // Update connect button in the answer of this method
1007                 detectAuthorizationMethod();
1008             } else {
1009                 showRefreshButton();
1010                 // Show server status
1011                 showServerStatus();
1012             }
1013
1014             /// very special case (TODO: move to a common place for all the remote operations)
1015             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1016                 showUntrustedCertDialog(result);
1017             }
1018
1019
1020         }   // else nothing ; only the last check operation is considered;
1021         // multiple can be triggered if the user amends a URL before a previous check can be triggered
1022     }
1023
1024
1025     /**
1026      *  Try to access with  user/pass ""/"", to know if it is a regular server
1027      */
1028     private void detectAuthorizationMethod() {
1029
1030         Log_OC.d(TAG, "Trying empty authorization to detect authentication method");
1031
1032         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
1033
1034         /// test credentials
1035         //Intent detectAuthIntent = new Intent(this, OperationsService.class);
1036         Intent detectAuthIntent = new Intent();
1037         detectAuthIntent.setAction(OperationsService.ACTION_DETECT_AUTHENTICATION_METHOD);
1038         detectAuthIntent.putExtra(OperationsService.EXTRA_SERVER_URL, mHostBaseUrl);
1039         detectAuthIntent.putExtra(OperationsService.EXTRA_WEBDAV_PATH, webdav_path);
1040
1041         //if (mOperationsBinder != null) {  // let's let it crash to detect if is really possible
1042         mServerAuthMethod = AuthenticationMethod.UNKNOWN;
1043         if (mOperationsServiceBinder != null) {
1044             //Log.wtf(TAG, "starting detection..." );
1045             mDetectAuthOpId = mOperationsServiceBinder.newOperation(detectAuthIntent);
1046         }
1047         //}
1048     }
1049
1050
1051     private String normalizeUrl(String url) {
1052         if (url != null && url.length() > 0) {
1053             url = url.trim();
1054             if (!url.toLowerCase().startsWith("http://") &&
1055                     !url.toLowerCase().startsWith("https://")) {
1056                 if (mIsSslConn) {
1057                     url = "https://" + url;
1058                 } else {
1059                     url = "http://" + url;
1060                 }
1061             }
1062
1063             // OC-208: Add suffix remote.php/webdav to normalize (OC-34)
1064             url = trimUrlWebdav(url);
1065
1066             if (url.endsWith("/")) {
1067                 url = url.substring(0, url.length() - 1);
1068             }
1069
1070         }
1071         return (url != null ? url : "");
1072     }
1073
1074
1075     private String trimUrlWebdav(String url){
1076         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){
1077             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length());
1078         } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){
1079             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length());
1080         } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){
1081             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length());
1082         }
1083         return (url != null ? url : "");
1084     }
1085
1086
1087     /**
1088      * Chooses the right icon and text to show to the user for the received operation result.
1089      *
1090      * @param result    Result of a remote operation performed in this activity
1091      */
1092     private void updateServerStatusIconAndText(RemoteOperationResult result) {
1093         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1094
1095         switch (result.getCode()) {
1096         case OK_SSL:
1097             mServerStatusIcon = android.R.drawable.ic_secure;
1098             mServerStatusText = R.string.auth_secure_connection;
1099             break;
1100
1101         case OK_NO_SSL:
1102         case OK:
1103             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1104                 mServerStatusText = R.string.auth_connection_established;
1105                 mServerStatusIcon = R.drawable.ic_ok;
1106             } else {
1107                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
1108                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
1109             }
1110             break;
1111
1112         case NO_NETWORK_CONNECTION:
1113             mServerStatusIcon = R.drawable.no_network;
1114             mServerStatusText = R.string.auth_no_net_conn_title;
1115             break;
1116
1117         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1118             mServerStatusText = R.string.auth_ssl_unverified_server_title;
1119             break;
1120         case BAD_OC_VERSION:
1121             mServerStatusText = R.string.auth_bad_oc_version_title;
1122             break;
1123         case WRONG_CONNECTION:
1124             mServerStatusText = R.string.auth_wrong_connection_title;
1125             break;
1126         case TIMEOUT:
1127             mServerStatusText = R.string.auth_timeout_title;
1128             break;
1129         case INCORRECT_ADDRESS:
1130             mServerStatusText = R.string.auth_incorrect_address_title;
1131             break;
1132         case SSL_ERROR:
1133             mServerStatusText = R.string.auth_ssl_general_error_title;
1134             break;
1135         case UNAUTHORIZED:
1136             mServerStatusText = R.string.auth_unauthorized;
1137             break;
1138         case HOST_NOT_AVAILABLE:
1139             mServerStatusText = R.string.auth_unknown_host_title;
1140             break;
1141         case INSTANCE_NOT_CONFIGURED:
1142             mServerStatusText = R.string.auth_not_configured_title;
1143             break;
1144         case FILE_NOT_FOUND:
1145             mServerStatusText = R.string.auth_incorrect_path_title;
1146             break;
1147         case OAUTH2_ERROR:
1148             mServerStatusText = R.string.auth_oauth_error;
1149             break;
1150         case OAUTH2_ERROR_ACCESS_DENIED:
1151             mServerStatusText = R.string.auth_oauth_error_access_denied;
1152             break;
1153         case UNHANDLED_HTTP_CODE:
1154         case UNKNOWN_ERROR:
1155             mServerStatusText = R.string.auth_unknown_error_title;
1156             break;
1157         default:
1158             mServerStatusText = 0;
1159             mServerStatusIcon = 0;
1160         }
1161     }
1162
1163
1164     /**
1165      * Chooses the right icon and text to show to the user for the received operation result.
1166      *
1167      * @param result    Result of a remote operation performed in this activity
1168      */
1169     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1170         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1171
1172         switch (result.getCode()) {
1173         case OK_SSL:
1174             mAuthStatusIcon = android.R.drawable.ic_secure;
1175             mAuthStatusText = R.string.auth_secure_connection;
1176             break;
1177
1178         case OK_NO_SSL:
1179         case OK:
1180             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1181                 mAuthStatusText = R.string.auth_connection_established;
1182                 mAuthStatusIcon = R.drawable.ic_ok;
1183             } else {
1184                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1185                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
1186             }
1187             break;
1188
1189         case NO_NETWORK_CONNECTION:
1190             mAuthStatusIcon = R.drawable.no_network;
1191             mAuthStatusText = R.string.auth_no_net_conn_title;
1192             break;
1193
1194         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1195             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1196             break;
1197         case BAD_OC_VERSION:
1198             mAuthStatusText = R.string.auth_bad_oc_version_title;
1199             break;
1200         case WRONG_CONNECTION:
1201             mAuthStatusText = R.string.auth_wrong_connection_title;
1202             break;
1203         case TIMEOUT:
1204             mAuthStatusText = R.string.auth_timeout_title;
1205             break;
1206         case INCORRECT_ADDRESS:
1207             mAuthStatusText = R.string.auth_incorrect_address_title;
1208             break;
1209         case SSL_ERROR:
1210             mAuthStatusText = R.string.auth_ssl_general_error_title;
1211             break;
1212         case UNAUTHORIZED:
1213             mAuthStatusText = R.string.auth_unauthorized;
1214             break;
1215         case HOST_NOT_AVAILABLE:
1216             mAuthStatusText = R.string.auth_unknown_host_title;
1217             break;
1218         case INSTANCE_NOT_CONFIGURED:
1219             mAuthStatusText = R.string.auth_not_configured_title;
1220             break;
1221         case FILE_NOT_FOUND:
1222             mAuthStatusText = R.string.auth_incorrect_path_title;
1223             break;
1224         case OAUTH2_ERROR:
1225             mAuthStatusText = R.string.auth_oauth_error;
1226             break;
1227         case OAUTH2_ERROR_ACCESS_DENIED:
1228             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1229             break;
1230         case ACCOUNT_NOT_NEW:
1231             mAuthStatusText = R.string.auth_account_not_new;
1232             break;
1233         case ACCOUNT_NOT_THE_SAME:
1234             mAuthStatusText = R.string.auth_account_not_the_same;
1235             break;
1236         case UNHANDLED_HTTP_CODE:
1237         case UNKNOWN_ERROR:
1238             mAuthStatusText = R.string.auth_unknown_error_title;
1239             break;
1240         default:
1241             mAuthStatusText = 0;
1242             mAuthStatusIcon = 0;
1243         }
1244     }
1245
1246
1247     private void updateStatusIconFailUserName(){
1248         mAuthStatusIcon = R.drawable.common_error;
1249         mAuthStatusText = R.string.auth_fail_get_user_name;
1250     }
1251
1252     private void updateServerStatusIconNoRegularAuth(){
1253         mServerStatusIcon = R.drawable.common_error;
1254         mServerStatusText = R.string.auth_can_not_auth_against_server;
1255     }
1256
1257     /**
1258      * Processes the result of the request for and access token send
1259      * to an OAuth authorization server.
1260      *
1261      * @param operation     Operation performed requesting the access token.
1262      * @param result        Result of the operation.
1263      */
1264     private void onGetOAuthAccessTokenFinish(OAuth2GetAccessToken operation, RemoteOperationResult result) {
1265         try {
1266             dismissDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
1267         } catch (IllegalArgumentException e) {
1268             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
1269         }
1270
1271         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
1272         if (result.isSuccess() && webdav_path != null) {
1273             /// be gentle with the user
1274             showDialog(DIALOG_LOGIN_PROGRESS);
1275
1276             /// time to test the retrieved access token on the ownCloud server
1277             mAuthToken = ((OAuth2GetAccessToken)operation).getResultTokenMap().get(OAuth2Constants.KEY_ACCESS_TOKEN);
1278             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1279             mAuthCheckOperation = new ExistenceCheckRemoteOperation("", this, false);
1280             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, true);
1281             client.setBearerCredentials(mAuthToken);
1282             mAuthCheckOperation.execute(client, this, mHandler);
1283
1284         } else {
1285             updateAuthStatusIconAndText(result);
1286             showAuthStatus();
1287             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1288         }
1289     }
1290
1291
1292     /**
1293      * Processes the result of the access check performed to try the user credentials.
1294      *
1295      * Creates a new account through the AccountManager.
1296      *
1297      * @param operation     Access check performed.
1298      * @param result        Result of the operation.
1299      */
1300     private void onAuthorizationCheckFinish(ExistenceCheckRemoteOperation operation, RemoteOperationResult result) {
1301         try {
1302             dismissDialog(DIALOG_LOGIN_PROGRESS);
1303         } catch (IllegalArgumentException e) {
1304             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
1305         }
1306
1307         if (result.isSuccess()) {
1308             Log_OC.d(TAG, "Successful access - time to save the account");
1309
1310             boolean success = false;
1311             if (mAction == ACTION_CREATE) {
1312                 success = createAccount();
1313
1314             } else {
1315                 updateToken();
1316                 success = true;
1317             }
1318
1319             if (success) {
1320                 finish();
1321             }
1322
1323         } else if (result.isServerFail() || result.isException()) {
1324             /// if server fail or exception in authorization, the UI is updated as when a server check failed
1325             mServerIsChecked = true;
1326             mServerIsValid = false;
1327             mIsSslConn = false;
1328             mOcServerChkOperation = null;
1329             mDiscoveredVersion = null;
1330             mHostBaseUrl = normalizeUrl(mHostUrlInput.getText().toString());
1331
1332             // update status icon and text
1333             updateServerStatusIconAndText(result);
1334             showServerStatus();
1335             mAuthStatusIcon = 0;
1336             mAuthStatusText = 0;
1337             showAuthStatus();
1338
1339             // update input controls state
1340             showRefreshButton();
1341             mOkButton.setEnabled(false);
1342
1343             // very special case (TODO: move to a common place for all the remote operations) (dangerous here?)
1344             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1345                 showUntrustedCertDialog(result);
1346             }
1347
1348         } else {    // authorization fail due to client side - probably wrong credentials
1349             updateAuthStatusIconAndText(result);
1350             showAuthStatus();
1351             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1352         }
1353     }
1354
1355
1356
1357
1358     /**
1359      * Sets the proper response to get that the Account Authenticator that started this activity saves
1360      * a new authorization token for mAccount.
1361      */
1362     private void updateToken() {
1363         Bundle response = new Bundle();
1364         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1365         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1366
1367         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1368             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1369             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1370             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1371
1372         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1373
1374             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1375             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1376             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1377
1378         } else {
1379             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1380             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1381         }
1382         setAccountAuthenticatorResult(response);
1383
1384     }
1385
1386
1387     /**
1388      * Creates a new account through the Account Authenticator that started this activity.
1389      *
1390      * This makes the account permanent.
1391      *
1392      * TODO Decide how to name the OAuth accounts
1393      */
1394     private boolean createAccount() {
1395         /// create and save new ownCloud account
1396         boolean isOAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1397         boolean isSaml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1398
1399         Uri uri = Uri.parse(mHostBaseUrl);
1400         String username = mUsernameInput.getText().toString().trim();
1401         if (isOAuth) {
1402             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1403         }
1404         String accountName = username + "@" + uri.getHost();
1405         if (uri.getPort() >= 0) {
1406             accountName += ":" + uri.getPort();
1407         }
1408         mAccount = new Account(accountName, MainApp.getAccountType());
1409         if (AccountUtils.exists(mAccount, getApplicationContext())) {
1410             // fail - not a new account, but an existing one; disallow
1411             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1412             updateAuthStatusIconAndText(result);
1413             showAuthStatus();
1414             Log_OC.d(TAG, result.getLogMessage());
1415             return false;
1416
1417         } else {
1418
1419             if (isOAuth || isSaml) {
1420                 mAccountMgr.addAccountExplicitly(mAccount, "", null);  // with external authorizations, the password is never input in the app
1421             } else {
1422                 mAccountMgr.addAccountExplicitly(mAccount, mPasswordInput.getText().toString(), null);
1423             }
1424
1425             /// add the new account as default in preferences, if there is none already
1426             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1427             if (defaultAccount == null) {
1428                 SharedPreferences.Editor editor = PreferenceManager
1429                         .getDefaultSharedPreferences(this).edit();
1430                 editor.putString("select_oc_account", accountName);
1431                 editor.commit();
1432             }
1433
1434             /// prepare result to return to the Authenticator
1435             //  TODO check again what the Authenticator makes with it; probably has the same effect as addAccountExplicitly, but it's not well done
1436             final Intent intent = new Intent();
1437             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1438             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1439             /*if (!isOAuth)
1440                 intent.putExtra(AccountManager.KEY_AUTHTOKEN,   MainApp.getAccountType()); */
1441             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1442             if (isOAuth || isSaml) {
1443                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1444             }
1445             /// add user data to the new account; TODO probably can be done in the last parameter addAccountExplicitly, or in KEY_USERDATA
1446             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_VERSION,         mDiscoveredVersion.getVersion());
1447             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_VERSION_STRING,  mDiscoveredVersion.getVersionString());
1448             mAccountMgr.setUserData(mAccount, Constants.KEY_OC_BASE_URL,   mHostBaseUrl);
1449
1450             if (isSaml) {
1451                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1452             } else if (isOAuth) {
1453                 mAccountMgr.setUserData(mAccount, Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1454             }
1455
1456             setAccountAuthenticatorResult(intent.getExtras());
1457             setResult(RESULT_OK, intent);
1458
1459             return true;
1460         }
1461     }
1462
1463
1464     /**
1465      * {@inheritDoc}
1466      *
1467      * Necessary to update the contents of the SSL Dialog
1468      *
1469      * TODO move to some common place for all possible untrusted SSL failures
1470      */
1471     @Override
1472     protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
1473         switch (id) {
1474         case DIALOG_LOGIN_PROGRESS:
1475         case DIALOG_CERT_NOT_SAVED:
1476         case DIALOG_OAUTH2_LOGIN_PROGRESS:
1477             break;
1478         default:
1479             Log_OC.e(TAG, "Incorrect dialog called with id = " + id);
1480         }
1481     }
1482
1483
1484     /**
1485      * {@inheritDoc}
1486      */
1487     @Override
1488     protected Dialog onCreateDialog(int id) {
1489         Dialog dialog = null;
1490         switch (id) {
1491         case DIALOG_LOGIN_PROGRESS: {
1492             /// simple progress dialog
1493             ProgressDialog working_dialog = new ProgressDialog(this);
1494             working_dialog.setMessage(getResources().getString(R.string.auth_trying_to_login));
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                     /// TODO study if this is enough
1502                     Log_OC.i(TAG, "Login canceled");
1503                     if (mOperationThread != null) {
1504                         mOperationThread.interrupt();
1505                         finish();
1506                     }
1507                 }
1508             });
1509             dialog = working_dialog;
1510             break;
1511         }
1512         case DIALOG_OAUTH2_LOGIN_PROGRESS: {
1513             ProgressDialog working_dialog = new ProgressDialog(this);
1514             working_dialog.setMessage(String.format("Getting authorization"));
1515             working_dialog.setIndeterminate(true);
1516             working_dialog.setCancelable(true);
1517             working_dialog
1518             .setOnCancelListener(new DialogInterface.OnCancelListener() {
1519                 @Override
1520                 public void onCancel(DialogInterface dialog) {
1521                     Log_OC.i(TAG, "Login canceled");
1522                     finish();
1523                 }
1524             });
1525             dialog = working_dialog;
1526             break;
1527         }
1528         case DIALOG_CERT_NOT_SAVED: {
1529             AlertDialog.Builder builder = new AlertDialog.Builder(this);
1530             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
1531             builder.setCancelable(false);
1532             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
1533                 @Override
1534                 public void onClick(DialogInterface dialog, int which) {
1535                     dialog.dismiss();
1536                 };
1537             });
1538             dialog = builder.create();
1539             break;
1540         }
1541         default:
1542             Log_OC.e(TAG, "Incorrect dialog called with id = " + id);
1543         }
1544         return dialog;
1545     }
1546
1547
1548     /**
1549      * Starts and activity to open the 'new account' page in the ownCloud web site
1550      *
1551      * @param view      'Account register' button
1552      */
1553     public void onRegisterClick(View view) {
1554         Intent register = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url)));
1555         setResult(RESULT_CANCELED);
1556         startActivity(register);
1557     }
1558
1559
1560     /**
1561      * Updates the content and visibility state of the icon and text associated
1562      * to the last check on the ownCloud server.
1563      */
1564     private void showServerStatus() {
1565         TextView tv = (TextView) findViewById(R.id.server_status_text);
1566
1567         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1568             tv.setVisibility(View.INVISIBLE);
1569
1570         } else {
1571             tv.setText(mServerStatusText);
1572             tv.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1573             tv.setVisibility(View.VISIBLE);
1574         }
1575
1576     }
1577
1578
1579     /**
1580      * Updates the content and visibility state of the icon and text associated
1581      * to the interactions with the OAuth authorization server.
1582      */
1583     private void showAuthStatus() {
1584         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1585             mAuthStatusLayout.setVisibility(View.INVISIBLE);
1586
1587         } else {
1588             mAuthStatusLayout.setText(mAuthStatusText);
1589             mAuthStatusLayout.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1590             mAuthStatusLayout.setVisibility(View.VISIBLE);
1591         }
1592     }
1593
1594
1595     private void showRefreshButton() {
1596         mRefreshButton.setVisibility(View.VISIBLE);
1597     }
1598
1599     private void hideRefreshButton() {
1600         mRefreshButton.setVisibility(View.GONE);
1601     }
1602
1603     /**
1604      * Called when the refresh button in the input field for ownCloud host is clicked.
1605      *
1606      * Performs a new check on the URL in the input field.
1607      *
1608      * @param view      Refresh 'button'
1609      */
1610     public void onRefreshClick(View view) {
1611         checkOcServer();
1612     }
1613
1614
1615     /**
1616      * Called when the eye icon in the password field is clicked.
1617      *
1618      * Toggles the visibility of the password in the field.
1619      */
1620     public void onViewPasswordClick() {
1621         int selectionStart = mPasswordInput.getSelectionStart();
1622         int selectionEnd = mPasswordInput.getSelectionEnd();
1623         if (isPasswordVisible()) {
1624             hidePassword();
1625         } else {
1626             showPassword();
1627         }
1628         mPasswordInput.setSelection(selectionStart, selectionEnd);
1629     }
1630
1631
1632     /**
1633      * Called when the checkbox for OAuth authorization is clicked.
1634      *
1635      * Hides or shows the input fields for user & password.
1636      *
1637      * @param view      'View password' 'button'
1638      */
1639     public void onCheckClick(View view) {
1640         CheckBox oAuth2Check = (CheckBox)view;
1641         if (oAuth2Check.isChecked()) {
1642             mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1643         } else {
1644             mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1645         }
1646         adaptViewAccordingToAuthenticationMethod();
1647     }
1648
1649
1650     /**
1651      * Changes the visibility of input elements depending on
1652      * the current authorization method.
1653      */
1654     private void adaptViewAccordingToAuthenticationMethod () {
1655         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1656             // OAuth 2 authorization
1657             mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
1658             mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
1659             mUsernameInput.setVisibility(View.GONE);
1660             mPasswordInput.setVisibility(View.GONE);
1661
1662         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1663             // SAML-based web Single Sign On
1664             mOAuthAuthEndpointText.setVisibility(View.GONE);
1665             mOAuthTokenEndpointText.setVisibility(View.GONE);
1666             mUsernameInput.setVisibility(View.GONE);
1667             mPasswordInput.setVisibility(View.GONE);
1668         } else {
1669             // basic HTTP authorization
1670             mOAuthAuthEndpointText.setVisibility(View.GONE);
1671             mOAuthTokenEndpointText.setVisibility(View.GONE);
1672             mUsernameInput.setVisibility(View.VISIBLE);
1673             mPasswordInput.setVisibility(View.VISIBLE);
1674         }
1675     }
1676
1677     /**
1678      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1679      *
1680      *  Used to trigger the authentication check when the user presses 'enter' after writing the password,
1681      *  or to throw the server test when the only field on screen is the URL input field.
1682      */
1683     @Override
1684     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1685         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null && inputField.equals(mPasswordInput)) {
1686             if (mOkButton.isEnabled()) {
1687                 mOkButton.performClick();
1688             }
1689
1690         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null && inputField.equals(mHostUrlInput)) {
1691             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1692                 checkOcServer();
1693             }
1694         }
1695         return false;   // always return false to grant that the software keyboard is hidden anyway
1696     }
1697
1698
1699     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1700
1701         private int fuzz = 75;
1702
1703         /**
1704          * {@inheritDoc}
1705          */
1706         @Override
1707         public boolean onTouch(View view, MotionEvent event) {
1708             Drawable rightDrawable = null;
1709             if (view instanceof TextView) {
1710                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1711                 if (drawables.length > 2) {
1712                     rightDrawable = drawables[2];
1713                 }
1714             }
1715             if (rightDrawable != null) {
1716                 final int x = (int) event.getX();
1717                 final int y = (int) event.getY();
1718                 final Rect bounds = rightDrawable.getBounds();
1719                 if (x >= (view.getRight() - bounds.width() - fuzz) && x <= (view.getRight() - view.getPaddingRight() + fuzz)
1720                         && y >= (view.getPaddingTop() - fuzz) && y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1721
1722                     return onDrawableTouch(event);
1723                 }
1724             }
1725             return false;
1726         }
1727
1728         public abstract boolean onDrawableTouch(final MotionEvent event);
1729     }
1730
1731
1732     public void onSamlDialogSuccess(String sessionCookie) {
1733         mAuthToken = sessionCookie;
1734
1735         if (sessionCookie != null && sessionCookie.length() > 0) {
1736             mAuthToken = sessionCookie;
1737
1738             GetRemoteUserNameOperation getUserOperation = new GetRemoteUserNameOperation();
1739             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl), getApplicationContext(), true);
1740             client.setSsoSessionCookie(mAuthToken);
1741             getUserOperation.execute(client, this, mHandler);
1742         }
1743
1744
1745     }
1746
1747
1748     @Override
1749     public void onSsoFinished(String sessionCookies) {
1750         //Toast.makeText(this, "got cookies: " + sessionCookie, Toast.LENGTH_LONG).show();
1751
1752         if (sessionCookies != null && sessionCookies.length() > 0) {
1753             Log_OC.d(TAG, "Successful SSO - time to save the account");
1754             onSamlDialogSuccess(sessionCookies);
1755             Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1756             if (fd != null && fd instanceof SherlockDialogFragment) {
1757                 Dialog d = ((SherlockDialogFragment)fd).getDialog();
1758                 if (d != null && d.isShowing()) {
1759                     d.dismiss();
1760                 }
1761             }
1762
1763         } else {
1764             // TODO - show fail
1765             Log_OC.d(TAG, "SSO failed");
1766         }
1767
1768     }
1769
1770     /** Show auth_message
1771      *
1772      * @param message
1773      */
1774     private void showAuthMessage(String message) {
1775         mAuthMessage.setVisibility(View.VISIBLE);
1776         mAuthMessage.setText(message);
1777     }
1778
1779     private void hideAuthMessage() {
1780         mAuthMessage.setVisibility(View.GONE);
1781     }
1782
1783     @Override
1784     public boolean onTouchEvent(MotionEvent event) {
1785         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
1786                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1787             checkOcServer();
1788         }
1789         return super.onTouchEvent(event);
1790     }
1791
1792
1793     /**
1794      * Show untrusted cert dialog
1795      */
1796     public void showUntrustedCertDialog(X509Certificate x509Certificate, SslError error, SslErrorHandler handler) {
1797         // Show a dialog with the certificate info
1798         SslUntrustedCertDialog dialog = null;
1799         if (x509Certificate == null) {
1800             dialog = SslUntrustedCertDialog.newInstanceForEmptySslError(error, handler);
1801         } else {
1802             dialog = SslUntrustedCertDialog.newInstanceForFullSslError(x509Certificate, error, handler);
1803         }
1804         FragmentManager fm = getSupportFragmentManager();
1805         FragmentTransaction ft = fm.beginTransaction();
1806         ft.addToBackStack(null);
1807         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1808     }
1809
1810     /**
1811      * Show untrusted cert dialog
1812      */
1813     public void showUntrustedCertDialog(RemoteOperationResult result) {
1814         // Show a dialog with the certificate info
1815         SslUntrustedCertDialog dialog = SslUntrustedCertDialog.newInstanceForFullSslError((CertificateCombinedException)result.getException());
1816         FragmentManager fm = getSupportFragmentManager();
1817         FragmentTransaction ft = fm.beginTransaction();
1818         ft.addToBackStack(null);
1819         dialog.show(ft, DIALOG_UNTRUSTED_CERT);
1820
1821     }
1822
1823     /**
1824      * Dismiss untrusted cert dialog
1825      */
1826     public void dismissUntrustedCertDialog(){
1827         /*Fragment frag = getSupportFragmentManager().findFragmentByTag(DIALOG_UNTRUSTED_CERT);
1828         if (frag != null) {
1829             SslErrorViewAdapter dialog = (SslErrorViewAdapter) frag;
1830             dialog.dismiss();
1831         }
1832          */
1833     }
1834
1835     /**
1836      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1837      */
1838     public void onSavedCertificate() {
1839         Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1840         if (fd == null) {
1841             // if SAML dialog is not shown, the SslDialog was shown due to an SSL error in the server check
1842             checkOcServer();
1843         }
1844     }
1845
1846     /**
1847      * Called from SslValidatorDialog when a new server certificate could not be saved
1848      * when the user requested it.
1849      */
1850     @Override
1851     public void onFailedSavingCertificate() {
1852         showDialog(DIALOG_CERT_NOT_SAVED);
1853         cancelWebView();
1854     }
1855
1856     @Override
1857     public void onCancelCertificate() {
1858         cancelWebView();
1859     }
1860
1861
1862     public void cancelWebView() {
1863         Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1864         if (fd != null && fd instanceof SherlockDialogFragment) {
1865             Dialog d = ((SherlockDialogFragment)fd).getDialog();
1866             if (d != null && d.isShowing()) {
1867                 d.dismiss();
1868             }
1869         }
1870
1871     }
1872
1873
1874     private void doOnResumeAndBound() {
1875         //Log.wtf(TAG, "registering to listen for operation callbacks" );
1876         mOperationsServiceBinder.addOperationListener(AuthenticatorActivity.this, mHandler);
1877
1878         if (mDetectAuthOpId != -1) {
1879             RemoteOperationResult result =
1880                     mOperationsServiceBinder.getOperationResultIfFinished(mDetectAuthOpId);
1881             if (result != null) {
1882                 //Log.wtf(TAG, "found result of operation finished while rotating");
1883                 onDetectAuthenticationFinish(result);
1884             }
1885         }
1886     }
1887
1888     /**
1889      * Implements callback methods for service binding.
1890      */
1891     private class OperationsServiceConnection implements ServiceConnection {
1892
1893         @Override
1894         public void onServiceConnected(ComponentName component, IBinder service) {
1895             if (component.equals(new ComponentName(AuthenticatorActivity.this, OperationsService.class))) {
1896                 //Log_OC.wtf(TAG, "Operations service connected");
1897                 mOperationsServiceBinder = (OperationsServiceBinder) service;
1898
1899                 doOnResumeAndBound();
1900
1901             } else {
1902                 return;
1903             }
1904
1905         }
1906
1907         @Override
1908         public void onServiceDisconnected(ComponentName component) {
1909             if (component.equals(new ComponentName(AuthenticatorActivity.this, OperationsService.class))) {
1910                 Log_OC.e(TAG, "Operations service crashed");
1911                 mOperationsServiceBinder = null;
1912             }
1913         }
1914
1915     }
1916
1917 }