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 android.accounts.Account;
  22 import android.accounts.AccountManager;
  23 import android.app.AlertDialog;
  24 import android.app.Dialog;
  25 import android.app.ProgressDialog;
  26 import android.content.DialogInterface;
  27 import android.content.Intent;
  28 import android.content.SharedPreferences;
  29 import android.graphics.Rect;
  30 import android.graphics.drawable.Drawable;
  31 import android.net.Uri;
  32 import android.os.Bundle;
  33 import android.os.Handler;
  34 import android.preference.PreferenceManager;
  35 import android.support.v4.app.Fragment;
  36 import android.text.Editable;
  37 import android.text.InputType;
  38 import android.text.TextWatcher;
  39 import android.view.KeyEvent;
  40 import android.view.MotionEvent;
  41 import android.view.View;
  42 import android.view.View.OnFocusChangeListener;
  43 import android.view.View.OnTouchListener;
  44 import android.view.Window;
  45 import android.view.inputmethod.EditorInfo;
  46 import android.widget.Button;
  47 import android.widget.CheckBox;
  48 import android.widget.EditText;
  49 import android.widget.TextView;
  50 import android.widget.TextView.OnEditorActionListener;
  51
  52 import com.actionbarsherlock.app.SherlockDialogFragment;
  53 import com.owncloud.android.MainApp;
  54 import com.owncloud.android.R;
  55 import com.owncloud.android.authentication.SsoWebViewClient.SsoWebViewClientListener;
  56 import com.owncloud.android.lib.accounts.AccountTypeUtils;
  57 import com.owncloud.android.lib.accounts.OwnCloudAccount;
  58 import com.owncloud.android.lib.network.OwnCloudClientFactory;
  59 import com.owncloud.android.lib.network.OwnCloudClient;
  60 import com.owncloud.android.operations.OAuth2GetAccessToken;
  61 import com.owncloud.android.lib.operations.common.OnRemoteOperationListener;
  62 import com.owncloud.android.operations.OwnCloudServerCheckOperation;
  63 import com.owncloud.android.lib.operations.common.RemoteOperation;
  64 import com.owncloud.android.lib.operations.common.RemoteOperationResult;
  65 import com.owncloud.android.lib.operations.common.RemoteOperationResult.ResultCode;
  66 import com.owncloud.android.lib.operations.remote.ExistenceCheckRemoteOperation;
  67 import com.owncloud.android.lib.operations.remote.GetUserNameRemoteOperation;
  68 import com.owncloud.android.ui.dialog.SamlWebViewDialog;
  69 import com.owncloud.android.ui.dialog.SslValidatorDialog;
  70 import com.owncloud.android.ui.dialog.SslValidatorDialog.OnSslValidatorListener;
  71 import com.owncloud.android.utils.Log_OC;
  72 import com.owncloud.android.lib.utils.OwnCloudVersion;
  73
  74 /**
  75  * This Activity is used to add an ownCloud account to the App
  76  *
  77  * @author Bartek Przybylski
  78  * @author David A. Velasco
  79  */
  80 public class AuthenticatorActivity extends AccountAuthenticatorActivity
  81 implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeListener, OnEditorActionListener, SsoWebViewClientListener{
  82
  83     private static final String TAG = AuthenticatorActivity.class.getSimpleName();
  84
  85     public static final String EXTRA_ACCOUNT = "ACCOUNT";
  86     public static final String EXTRA_USER_NAME = "USER_NAME";
  87     public static final String EXTRA_HOST_NAME = "HOST_NAME";
  88     public static final String EXTRA_ACTION = "ACTION";
  89     public static final String EXTRA_ENFORCED_UPDATE = "ENFORCE_UPDATE";
  90
  91     private static final String KEY_AUTH_MESSAGE_VISIBILITY = "AUTH_MESSAGE_VISIBILITY";
  92     private static final String KEY_AUTH_MESSAGE_TEXT = "AUTH_MESSAGE_TEXT";
  93     private static final String KEY_HOST_URL_TEXT = "HOST_URL_TEXT";
  94     private static final String KEY_OC_VERSION = "OC_VERSION";
  95     private static final String KEY_ACCOUNT = "ACCOUNT";
  96     private static final String KEY_SERVER_VALID = "SERVER_VALID";
  97     private static final String KEY_SERVER_CHECKED = "SERVER_CHECKED";
  98     private static final String KEY_SERVER_CHECK_IN_PROGRESS = "SERVER_CHECK_IN_PROGRESS";
  99     private static final String KEY_SERVER_STATUS_TEXT = "SERVER_STATUS_TEXT";
 100     private static final String KEY_SERVER_STATUS_ICON = "SERVER_STATUS_ICON";
 101     private static final String KEY_IS_SSL_CONN = "IS_SSL_CONN";
 102     private static final String KEY_PASSWORD_VISIBLE = "PASSWORD_VISIBLE";
 103     private static final String KEY_AUTH_STATUS_TEXT = "AUTH_STATUS_TEXT";
 104     private static final String KEY_AUTH_STATUS_ICON = "AUTH_STATUS_ICON";
 105     private static final String KEY_REFRESH_BUTTON_ENABLED = "KEY_REFRESH_BUTTON_ENABLED";
 106
 107     private static final String AUTH_ON = "on";
 108     private static final String AUTH_OFF = "off";
 109     private static final String AUTH_OPTIONAL = "optional";
 110
 111     private static final int DIALOG_LOGIN_PROGRESS = 0;
 112     private static final int DIALOG_SSL_VALIDATOR = 1;
 113     private static final int DIALOG_CERT_NOT_SAVED = 2;
 114     private static final int DIALOG_OAUTH2_LOGIN_PROGRESS = 3;
 115
 116     public static final byte ACTION_CREATE = 0;
 117     public static final byte ACTION_UPDATE_TOKEN = 1;
 118
 119     private static final String TAG_SAML_DIALOG = "samlWebViewDialog";
 120
 121     private String mHostBaseUrl;
 122     private OwnCloudVersion mDiscoveredVersion;
 123
 124     private String mAuthMessageText;
 125     private int mAuthMessageVisibility, mServerStatusText, mServerStatusIcon;
 126     private boolean mServerIsChecked, mServerIsValid, mIsSslConn;
 127     private int mAuthStatusText, mAuthStatusIcon;
 128     private TextView mAuthStatusLayout;
 129
 130     private final Handler mHandler = new Handler();
 131     private Thread mOperationThread;
 132     private OwnCloudServerCheckOperation mOcServerChkOperation;
 133     private ExistenceCheckRemoteOperation mAuthCheckOperation;
 134     private RemoteOperationResult mLastSslUntrustedServerResult;
 135
 136     private Uri mNewCapturedUriFromOAuth2Redirection;
 137
 138     private AccountManager mAccountMgr;
 139     private boolean mJustCreated;
 140     private byte mAction;
 141     private Account mAccount;
 142
 143     private TextView mAuthMessage;
 144
 145     private EditText mHostUrlInput;
 146     private boolean mHostUrlInputEnabled;
 147     private View mRefreshButton;
 148
 149     private String mAuthTokenType;
 150
 151     private EditText mUsernameInput;
 152     private EditText mPasswordInput;
 153
 154     private CheckBox mOAuth2Check;
 155
 156     private TextView mOAuthAuthEndpointText;
 157     private TextView mOAuthTokenEndpointText;
 158
 159     private SamlWebViewDialog mSamlDialog;
 160
 161     private View mOkButton;
 162
 163     private String mAuthToken;
 164
 165     private boolean mResumed; // Control if activity is resumed
 166
 167
 168     /**
 169      * {@inheritDoc}
 170      *
 171      * IMPORTANT ENTRY POINT 1: activity is shown to the user
 172      */
 173     @Override
 174     protected void onCreate(Bundle savedInstanceState) {
 175         super.onCreate(savedInstanceState);
 176         getWindow().requestFeature(Window.FEATURE_NO_TITLE);
 177
 178         /// set view and get references to view elements
 179         setContentView(R.layout.account_setup);
 180         mAuthMessage = (TextView) findViewById(R.id.auth_message);
 181         mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput);
 182         mHostUrlInput.setText(getString(R.string.server_url));  // valid although R.string.server_url is an empty string
 183         mUsernameInput = (EditText) findViewById(R.id.account_username);
 184         mPasswordInput = (EditText) findViewById(R.id.account_password);
 185         mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1);
 186         mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2);
 187         mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check);
 188         mOkButton = findViewById(R.id.buttonOK);
 189         mAuthStatusLayout = (TextView) findViewById(R.id.auth_status_text);
 190
 191         /// set Host Url Input Enabled
 192         mHostUrlInputEnabled = getResources().getBoolean(R.bool.show_server_url_input);
 193
 194         /// set visibility of link for new users
 195         boolean accountRegisterVisibility = getResources().getBoolean(R.bool.show_welcome_link);
 196         Button welcomeLink = (Button) findViewById(R.id.welcome_link);
 197         if (welcomeLink != null) {
 198             if (accountRegisterVisibility) {
 199                 welcomeLink.setVisibility(View.VISIBLE);
 200                 welcomeLink.setText(String.format(getString(R.string.auth_register), getString(R.string.app_name)));
 201             } else {
 202                 findViewById(R.id.welcome_link).setVisibility(View.GONE);
 203             }
 204         }
 205
 206         /// initialization
 207         mAccountMgr = AccountManager.get(this);
 208         mNewCapturedUriFromOAuth2Redirection = null;
 209         mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE);
 210         mAccount = null;
 211         mHostBaseUrl = "";
 212         boolean refreshButtonEnabled = false;
 213
 214         // URL input configuration applied
 215         if (!mHostUrlInputEnabled)
 216         {
 217             findViewById(R.id.hostUrlFrame).setVisibility(View.GONE);
 218             mRefreshButton = findViewById(R.id.centeredRefreshButton);
 219
 220         } else {
 221             mRefreshButton = findViewById(R.id.embeddedRefreshButton);
 222         }
 223
 224         if (savedInstanceState == null) {
 225             mResumed = false;
 226             /// connection state and info
 227             mAuthMessageVisibility = View.GONE;
 228             mServerStatusText = mServerStatusIcon = 0;
 229             mServerIsValid = false;
 230             mServerIsChecked = false;
 231             mIsSslConn = false;
 232             mAuthStatusText = mAuthStatusIcon = 0;
 233
 234             /// retrieve extras from intent
 235             mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 236             if (mAccount != null) {
 237                 String ocVersion = mAccountMgr.getUserData(mAccount, OwnCloudAccount.Constants.KEY_OC_VERSION);
 238                 if (ocVersion != null) {
 239                     mDiscoveredVersion = new OwnCloudVersion(ocVersion);
 240                 }
 241                 mHostBaseUrl = normalizeUrl(mAccountMgr.getUserData(mAccount, OwnCloudAccount.Constants.KEY_OC_BASE_URL));
 242                 mHostUrlInput.setText(mHostBaseUrl);
 243                 String userName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 244                 mUsernameInput.setText(userName);
 245             }
 246             initAuthorizationMethod();  // checks intent and setup.xml to determine mCurrentAuthorizationMethod
 247             mJustCreated = true;
 248
 249             if (mAction == ACTION_UPDATE_TOKEN || !mHostUrlInputEnabled) {
 250                 checkOcServer();
 251             }
 252
 253         } else {
 254             mResumed = true;
 255             /// connection state and info
 256             mAuthMessageVisibility = savedInstanceState.getInt(KEY_AUTH_MESSAGE_VISIBILITY);
 257             mAuthMessageText = savedInstanceState.getString(KEY_AUTH_MESSAGE_TEXT);
 258             mServerIsValid = savedInstanceState.getBoolean(KEY_SERVER_VALID);
 259             mServerIsChecked = savedInstanceState.getBoolean(KEY_SERVER_CHECKED);
 260             mServerStatusText = savedInstanceState.getInt(KEY_SERVER_STATUS_TEXT);
 261             mServerStatusIcon = savedInstanceState.getInt(KEY_SERVER_STATUS_ICON);
 262             mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN);
 263             mAuthStatusText = savedInstanceState.getInt(KEY_AUTH_STATUS_TEXT);
 264             mAuthStatusIcon = savedInstanceState.getInt(KEY_AUTH_STATUS_ICON);
 265             if (savedInstanceState.getBoolean(KEY_PASSWORD_VISIBLE, false)) {
 266                 showPassword();
 267             }
 268
 269             /// server data
 270             String ocVersion = savedInstanceState.getString(KEY_OC_VERSION);
 271             if (ocVersion != null) {
 272                 mDiscoveredVersion = new OwnCloudVersion(ocVersion);
 273             }
 274             mHostBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT);
 275
 276             // account data, if updating
 277             mAccount = savedInstanceState.getParcelable(KEY_ACCOUNT);
 278             mAuthTokenType = savedInstanceState.getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 279             if (mAuthTokenType == null) {
 280                 mAuthTokenType =  AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 281
 282             }
 283
 284             // check if server check was interrupted by a configuration change
 285             if (savedInstanceState.getBoolean(KEY_SERVER_CHECK_IN_PROGRESS, false)) {
 286                 checkOcServer();
 287             }
 288
 289             // refresh button enabled
 290             refreshButtonEnabled = savedInstanceState.getBoolean(KEY_REFRESH_BUTTON_ENABLED);
 291
 292
 293         }
 294
 295         if (mAuthMessageVisibility== View.VISIBLE) {
 296             showAuthMessage(mAuthMessageText);
 297         }
 298         else {
 299             hideAuthMessage();
 300         }
 301         adaptViewAccordingToAuthenticationMethod();
 302         showServerStatus();
 303         showAuthStatus();
 304
 305         if (mAction == ACTION_UPDATE_TOKEN) {
 306             /// lock things that should not change
 307             mHostUrlInput.setEnabled(false);
 308             mHostUrlInput.setFocusable(false);
 309             mUsernameInput.setEnabled(false);
 310             mUsernameInput.setFocusable(false);
 311             mOAuth2Check.setVisibility(View.GONE);
 312         }
 313
 314         //if (mServerIsChecked && !mServerIsValid && mRefreshButtonEnabled) showRefreshButton();
 315         if (mServerIsChecked && !mServerIsValid && refreshButtonEnabled) showRefreshButton();
 316         mOkButton.setEnabled(mServerIsValid); // state not automatically recovered in configuration changes
 317
 318         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) ||
 319                 !AUTH_OPTIONAL.equals(getString(R.string.auth_method_oauth2))) {
 320             mOAuth2Check.setVisibility(View.GONE);
 321         }
 322
 323         mPasswordInput.setText("");     // clean password to avoid social hacking (disadvantage: password in removed if the device is turned aside)
 324
 325         /// bind view elements to listeners and other friends
 326         mHostUrlInput.setOnFocusChangeListener(this);
 327         mHostUrlInput.setImeOptions(EditorInfo.IME_ACTION_NEXT);
 328         mHostUrlInput.setOnEditorActionListener(this);
 329         mHostUrlInput.addTextChangedListener(new TextWatcher() {
 330
 331             @Override
 332             public void afterTextChanged(Editable s) {
 333                 if (!mHostBaseUrl.equals(normalizeUrl(mHostUrlInput.getText().toString()))) {
 334                     mOkButton.setEnabled(false);
 335                 }
 336             }
 337
 338             @Override
 339             public void beforeTextChanged(CharSequence s, int start, int count, int after) {
 340             }
 341
 342             @Override
 343             public void onTextChanged(CharSequence s, int start, int before, int count) {
 344                 if (!mResumed) {
 345                     mAuthStatusIcon = 0;
 346                     mAuthStatusText = 0;
 347                     showAuthStatus();
 348                 }
 349                 mResumed = false;
 350             }
 351         });
 352
 353         mPasswordInput.setOnFocusChangeListener(this);
 354         mPasswordInput.setImeOptions(EditorInfo.IME_ACTION_DONE);
 355         mPasswordInput.setOnEditorActionListener(this);
 356         mPasswordInput.setOnTouchListener(new RightDrawableOnTouchListener() {
 357             @Override
 358             public boolean onDrawableTouch(final MotionEvent event) {
 359                 if (event.getAction() == MotionEvent.ACTION_UP) {
 360                     AuthenticatorActivity.this.onViewPasswordClick();
 361                 }
 362                 return true;
 363             }
 364         });
 365
 366         findViewById(R.id.scroll).setOnTouchListener(new OnTouchListener() {
 367             @Override
 368             public boolean onTouch(View view, MotionEvent event) {
 369                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 370                     if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
 371                             mHostUrlInput.hasFocus()) {
 372                         checkOcServer();
 373                     }
 374                 }
 375                 return false;
 376             }
 377         });
 378     }
 379
 380
 381
 382     private void initAuthorizationMethod() {
 383         boolean oAuthRequired = false;
 384         boolean samlWebSsoRequired = false;
 385
 386         mAuthTokenType = getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
 387         mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
 388
 389         // TODO could be a good moment to validate the received token type, if not null
 390
 391         if (mAuthTokenType == null) {
 392             if (mAccount != null) {
 393                 /// same authentication method than the one used to create the account to update
 394                 oAuthRequired = (mAccountMgr.getUserData(mAccount, OwnCloudAccount.Constants.KEY_SUPPORTS_OAUTH2) != null);
 395                 samlWebSsoRequired = (mAccountMgr.getUserData(mAccount, OwnCloudAccount.Constants.KEY_SUPPORTS_SAML_WEB_SSO) != null);
 396
 397             } else {
 398                 /// use the one set in setup.xml
 399                 oAuthRequired = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
 400                 samlWebSsoRequired = AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));
 401             }
 402             if (oAuthRequired) {
 403                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
 404             } else if (samlWebSsoRequired) {
 405                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType());
 406             } else {
 407                 mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
 408             }
 409         }
 410
 411         if (mAccount != null) {
 412             String userName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
 413             mUsernameInput.setText(userName);
 414         }
 415
 416         mOAuth2Check.setChecked(AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType));
 417
 418     }
 419
 420     /**
 421      * Saves relevant state before {@link #onPause()}
 422      *
 423      * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag, intended to defer the
 424      * processing of the redirection caught in {@link #onNewIntent(Intent)} until {@link #onResume()}
 425      *
 426      * See {@link #loadSavedInstanceState(Bundle)}
 427      */
 428     @Override
 429     protected void onSaveInstanceState(Bundle outState) {
 430         super.onSaveInstanceState(outState);
 431
 432         /// connection state and info
 433         outState.putInt(KEY_AUTH_MESSAGE_VISIBILITY, mAuthMessage.getVisibility());
 434         outState.putString(KEY_AUTH_MESSAGE_TEXT, mAuthMessage.getText().toString());
 435         outState.putInt(KEY_SERVER_STATUS_TEXT, mServerStatusText);
 436         outState.putInt(KEY_SERVER_STATUS_ICON, mServerStatusIcon);
 437         outState.putBoolean(KEY_SERVER_VALID, mServerIsValid);
 438         outState.putBoolean(KEY_SERVER_CHECKED, mServerIsChecked);
 439         outState.putBoolean(KEY_SERVER_CHECK_IN_PROGRESS, (!mServerIsValid && mOcServerChkOperation != null));
 440         outState.putBoolean(KEY_IS_SSL_CONN, mIsSslConn);
 441         outState.putBoolean(KEY_PASSWORD_VISIBLE, isPasswordVisible());
 442         outState.putInt(KEY_AUTH_STATUS_ICON, mAuthStatusIcon);
 443         outState.putInt(KEY_AUTH_STATUS_TEXT, mAuthStatusText);
 444
 445         /// server data
 446         if (mDiscoveredVersion != null) {
 447             outState.putString(KEY_OC_VERSION, mDiscoveredVersion.toString());
 448         }
 449         outState.putString(KEY_HOST_URL_TEXT, mHostBaseUrl);
 450
 451         /// account data, if updating
 452         if (mAccount != null) {
 453             outState.putParcelable(KEY_ACCOUNT, mAccount);
 454         }
 455         outState.putString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE, mAuthTokenType);
 456
 457         // refresh button enabled
 458         outState.putBoolean(KEY_REFRESH_BUTTON_ENABLED, (mRefreshButton.getVisibility() == View.VISIBLE));
 459
 460
 461     }
 462
 463
 464     /**
 465      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION request
 466      * is caught here.
 467      *
 468      * To make this possible, this activity needs to be qualified with android:launchMode = "singleTask" in the
 469      * AndroidManifest.xml file.
 470      */
 471     @Override
 472     protected void onNewIntent (Intent intent) {
 473         Log_OC.d(TAG, "onNewIntent()");
 474         Uri data = intent.getData();
 475         if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) {
 476             mNewCapturedUriFromOAuth2Redirection = data;
 477         }
 478     }
 479
 480
 481     /**
 482      * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION, and
 483      * deferred in {@link #onNewIntent(Intent)}, is processed here.
 484      */
 485     @Override
 486     protected void onResume() {
 487         super.onResume();
 488         if (mAction == ACTION_UPDATE_TOKEN && mJustCreated && getIntent().getBooleanExtra(EXTRA_ENFORCED_UPDATE, false)) {
 489             if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 490                 //Toast.makeText(this, R.string.auth_expired_oauth_token_toast, Toast.LENGTH_LONG).show();
 491                 showAuthMessage(getString(R.string.auth_expired_oauth_token_toast));
 492             } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 493                 //Toast.makeText(this, R.string.auth_expired_saml_sso_token_toast, Toast.LENGTH_LONG).show();
 494                 showAuthMessage(getString(R.string.auth_expired_saml_sso_token_toast));
 495             } else {
 496                 //Toast.makeText(this, R.string.auth_expired_basic_auth_toast, Toast.LENGTH_LONG).show();
 497                 showAuthMessage(getString(R.string.auth_expired_basic_auth_toast));
 498             }
 499         }
 500
 501         if (mNewCapturedUriFromOAuth2Redirection != null) {
 502             getOAuth2AccessTokenFromCapturedRedirection();
 503         }
 504
 505         mJustCreated = false;
 506
 507     }
 508
 509
 510     /**
 511      * Parses the redirection with the response to the GET AUTHORIZATION request to the
 512      * oAuth server and requests for the access token (GET ACCESS TOKEN)
 513      */
 514     private void getOAuth2AccessTokenFromCapturedRedirection() {
 515         /// Parse data from OAuth redirection
 516         String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery();
 517         mNewCapturedUriFromOAuth2Redirection = null;
 518
 519         /// Showing the dialog with instructions for the user.
 520         showDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
 521
 522         /// GET ACCESS TOKEN to the oAuth server
 523         RemoteOperation operation = new OAuth2GetAccessToken(   getString(R.string.oauth2_client_id),
 524                 getString(R.string.oauth2_redirect_uri),
 525                 getString(R.string.oauth2_grant_type),
 526                 queryParameters);
 527         //OwnCloudClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(getString(R.string.oauth2_url_endpoint_access)), getApplicationContext());
 528         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mOAuthTokenEndpointText.getText().toString().trim()), getApplicationContext(), true);
 529         operation.execute(client, this, mHandler);
 530     }
 531
 532
 533
 534     /**
 535      * Handles the change of focus on the text inputs for the server URL and the password
 536      */
 537     public void onFocusChange(View view, boolean hasFocus) {
 538         if (view.getId() == R.id.hostUrlInput) {
 539             if (!hasFocus) {
 540                 onUrlInputFocusLost((TextView) view);
 541             }
 542             else {
 543                 hideRefreshButton();
 544             }
 545
 546         } else if (view.getId() == R.id.account_password) {
 547             onPasswordFocusChanged((TextView) view, hasFocus);
 548         }
 549     }
 550
 551
 552     /**
 553      * Handles changes in focus on the text input for the server URL.
 554      *
 555      * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to
 556      * other field. The operation to check the existence of the server in the entered URL is
 557      * started.
 558      *
 559      * When hasFocus:    user 'comes back' to write again the server URL.
 560      *
 561      * @param hostInput     TextView with the URL input field receiving the change of focus.
 562      */
 563     private void onUrlInputFocusLost(TextView hostInput) {
 564         if (!mHostBaseUrl.equals(normalizeUrl(mHostUrlInput.getText().toString()))) {
 565             checkOcServer();
 566         } else {
 567             mOkButton.setEnabled(mServerIsValid);
 568             if (!mServerIsValid) {
 569                 showRefreshButton();
 570             }
 571         }
 572     }
 573
 574
 575     private void checkOcServer() {
 576         String uri = trimUrlWebdav(mHostUrlInput.getText().toString().trim());
 577
 578         if (!mHostUrlInputEnabled){
 579             uri = getString(R.string.server_url);
 580         }
 581
 582         mServerIsValid = false;
 583         mServerIsChecked = false;
 584         mOkButton.setEnabled(false);
 585         mDiscoveredVersion = null;
 586         hideRefreshButton();
 587         if (uri.length() != 0) {
 588             mServerStatusText = R.string.auth_testing_connection;
 589             mServerStatusIcon = R.drawable.progress_small;
 590             showServerStatus();
 591             mOcServerChkOperation = new  OwnCloudServerCheckOperation(uri, this);
 592             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(uri), this, true);
 593             mOperationThread = mOcServerChkOperation.execute(client, this, mHandler);
 594         } else {
 595             mServerStatusText = 0;
 596             mServerStatusIcon = 0;
 597             showServerStatus();
 598         }
 599     }
 600
 601
 602     /**
 603      * Handles changes in focus on the text input for the password (basic authorization).
 604      *
 605      * When (hasFocus), the button to toggle password visibility is shown.
 606      *
 607      * When (!hasFocus), the button is made invisible and the password is hidden.
 608      *
 609      * @param passwordInput    TextView with the password input field receiving the change of focus.
 610      * @param hasFocus          'True' if focus is received, 'false' if is lost
 611      */
 612     private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) {
 613         if (hasFocus) {
 614             showViewPasswordButton();
 615         } else {
 616             hidePassword();
 617             hidePasswordButton();
 618         }
 619     }
 620
 621
 622     private void showViewPasswordButton() {
 623         //int drawable = android.R.drawable.ic_menu_view;
 624         int drawable = R.drawable.ic_view;
 625         if (isPasswordVisible()) {
 626             //drawable = android.R.drawable.ic_secure;
 627             drawable = R.drawable.ic_hide;
 628         }
 629         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0);
 630     }
 631
 632     private boolean isPasswordVisible() {
 633         return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 634     }
 635
 636     private void hidePasswordButton() {
 637         mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
 638     }
 639
 640     private void showPassword() {
 641         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
 642         showViewPasswordButton();
 643     }
 644
 645     private void hidePassword() {
 646         mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
 647         showViewPasswordButton();
 648     }
 649
 650
 651     /**
 652      * Cancels the authenticator activity
 653      *
 654      * IMPORTANT ENTRY POINT 3: Never underestimate the importance of cancellation
 655      *
 656      * This method is bound in the layout/acceoun_setup.xml resource file.
 657      *
 658      * @param view      Cancel button
 659      */
 660     public void onCancelClick(View view) {
 661         setResult(RESULT_CANCELED);     // TODO review how is this related to AccountAuthenticator (debugging)
 662         finish();
 663     }
 664
 665
 666
 667     /**
 668      * Checks the credentials of the user in the root of the ownCloud server
 669      * before creating a new local account.
 670      *
 671      * For basic authorization, a check of existence of the root folder is
 672      * performed.
 673      *
 674      * For OAuth, starts the flow to get an access token; the credentials test
 675      * is postponed until it is available.
 676      *
 677      * IMPORTANT ENTRY POINT 4
 678      *
 679      * @param view      OK button
 680      */
 681     public void onOkClick(View view) {
 682         // this check should be unnecessary
 683         if (mDiscoveredVersion == null || !mDiscoveredVersion.isVersionValid()  || mHostBaseUrl == null || mHostBaseUrl.length() == 0) {
 684             mServerStatusIcon = R.drawable.common_error;
 685             mServerStatusText = R.string.auth_wtf_reenter_URL;
 686             showServerStatus();
 687             mOkButton.setEnabled(false);
 688             Log_OC.wtf(TAG,  "The user was allowed to click 'connect' to an unchecked server!!");
 689             return;
 690         }
 691
 692         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
 693             startOauthorization();
 694         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 695             startSamlBasedFederatedSingleSignOnAuthorization();
 696         } else {
 697             checkBasicAuthorization();
 698         }
 699     }
 700
 701
 702     /**
 703      * Tests the credentials entered by the user performing a check of existence on
 704      * the root folder of the ownCloud server.
 705      */
 706     private void checkBasicAuthorization() {
 707         /// get the path to the root folder through WebDAV from the version server
 708         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 709
 710         /// get basic credentials entered by user
 711         String username = mUsernameInput.getText().toString();
 712         String password = mPasswordInput.getText().toString();
 713
 714         /// be gentle with the user
 715         showDialog(DIALOG_LOGIN_PROGRESS);
 716
 717         /// test credentials accessing the root folder
 718         mAuthCheckOperation = new  ExistenceCheckRemoteOperation("", this, false);
 719         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, true);
 720         client.setBasicCredentials(username, password);
 721         mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
 722     }
 723
 724
 725     /**
 726      * Starts the OAuth 'grant type' flow to get an access token, with
 727      * a GET AUTHORIZATION request to the BUILT-IN authorization server.
 728      */
 729     private void startOauthorization() {
 730         // be gentle with the user
 731         mAuthStatusIcon = R.drawable.progress_small;
 732         mAuthStatusText = R.string.oauth_login_connection;
 733         showAuthStatus();
 734
 735
 736         // GET AUTHORIZATION request
 737         //Uri uri = Uri.parse(getString(R.string.oauth2_url_endpoint_auth));
 738         Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim());
 739         Uri.Builder uriBuilder = uri.buildUpon();
 740         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type));
 741         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri));
 742         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id));
 743         uriBuilder.appendQueryParameter(OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope));
 744         //uriBuilder.appendQueryParameter(OAuth2Constants.KEY_STATE, whateverwewant);
 745         uri = uriBuilder.build();
 746         Log_OC.d(TAG, "Starting browser to view " + uri.toString());
 747         Intent i = new Intent(Intent.ACTION_VIEW, uri);
 748         startActivity(i);
 749     }
 750
 751
 752     /**
 753      * Starts the Web Single Sign On flow to get access to the root folder
 754      * in the server.
 755      */
 756     private void startSamlBasedFederatedSingleSignOnAuthorization() {
 757         // be gentle with the user
 758         mAuthStatusIcon = R.drawable.progress_small;
 759         mAuthStatusText = R.string.auth_connecting_auth_server;
 760         showAuthStatus();
 761         showDialog(DIALOG_LOGIN_PROGRESS);
 762
 763         /// get the path to the root folder through WebDAV from the version server
 764         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 765
 766         /// test credentials accessing the root folder
 767         mAuthCheckOperation = new  ExistenceCheckRemoteOperation("", this, false);
 768         OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, false);
 769         mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
 770
 771     }
 772
 773     /**
 774      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
 775      *
 776      * Dispatches the operation flow to the right method.
 777      */
 778     @Override
 779     public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) {
 780
 781         if (operation instanceof OwnCloudServerCheckOperation) {
 782             onOcServerCheckFinish((OwnCloudServerCheckOperation) operation, result);
 783
 784         } else if (operation instanceof OAuth2GetAccessToken) {
 785             onGetOAuthAccessTokenFinish((OAuth2GetAccessToken)operation, result);
 786
 787         } else if (operation instanceof ExistenceCheckRemoteOperation)  {
 788             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
 789                 onSamlBasedFederatedSingleSignOnAuthorizationStart(operation, result);
 790
 791             } else {
 792                 onAuthorizationCheckFinish((ExistenceCheckRemoteOperation)operation, result);
 793             }
 794         } else if (operation instanceof GetUserNameRemoteOperation) {
 795             onGetUserNameFinish((GetUserNameRemoteOperation) operation, result);
 796
 797         }
 798
 799     }
 800
 801     private void onGetUserNameFinish(GetUserNameRemoteOperation operation, RemoteOperationResult result) {
 802         if (result.isSuccess()) {
 803             boolean success = false;
 804             String username = operation.getUserName();
 805
 806             if ( mAction == ACTION_CREATE) {
 807                 mUsernameInput.setText(username);
 808                 success = createAccount();
 809             } else {
 810
 811                 if (!mUsernameInput.getText().toString().equals(username)) {
 812                     // fail - not a new account, but an existing one; disallow
 813                     result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_THE_SAME);
 814                     updateAuthStatusIconAndText(result);
 815                     showAuthStatus();
 816                     Log_OC.d(TAG, result.getLogMessage());
 817                 } else {
 818                   updateToken();
 819                   success = true;
 820                 }
 821             }
 822
 823             if (success)
 824                 finish();
 825         }
 826
 827     }
 828
 829     private void onSamlBasedFederatedSingleSignOnAuthorizationStart(RemoteOperation operation, RemoteOperationResult result) {
 830         try {
 831             dismissDialog(DIALOG_LOGIN_PROGRESS);
 832         } catch (IllegalArgumentException e) {
 833             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
 834         }
 835
 836         //if (result.isTemporalRedirection() && result.isIdPRedirection()) {
 837         if (result.isIdPRedirection()) {
 838             String url = result.getRedirectedLocation();
 839             String targetUrl = mHostBaseUrl + AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
 840
 841             // Show dialog
 842             mSamlDialog = SamlWebViewDialog.newInstance(url, targetUrl);
 843             mSamlDialog.show(getSupportFragmentManager(), TAG_SAML_DIALOG);
 844
 845             mAuthStatusIcon = 0;
 846             mAuthStatusText = 0;
 847
 848         } else {
 849             mAuthStatusIcon = R.drawable.common_error;
 850             mAuthStatusText = R.string.auth_unsupported_auth_method;
 851
 852         }
 853         showAuthStatus();
 854     }
 855
 856
 857     /**
 858      * Processes the result of the server check performed when the user finishes the enter of the
 859      * server URL.
 860      *
 861      * @param operation     Server check performed.
 862      * @param result        Result of the check.
 863      */
 864     private void onOcServerCheckFinish(OwnCloudServerCheckOperation operation, RemoteOperationResult result) {
 865         if (operation.equals(mOcServerChkOperation)) {
 866             /// save result state
 867             mServerIsChecked = true;
 868             mServerIsValid = result.isSuccess();
 869             mIsSslConn = (result.getCode() == ResultCode.OK_SSL);
 870             mOcServerChkOperation = null;
 871
 872             /// update status icon and text
 873             if (mServerIsValid) {
 874                 hideRefreshButton();
 875             } else {
 876                 showRefreshButton();
 877             }
 878             updateServerStatusIconAndText(result);
 879             showServerStatus();
 880
 881             /// very special case (TODO: move to a common place for all the remote operations)
 882             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
 883                 mLastSslUntrustedServerResult = result;
 884                 showDialog(DIALOG_SSL_VALIDATOR);
 885             }
 886
 887             /// retrieve discovered version and normalize server URL
 888             mDiscoveredVersion = operation.getDiscoveredVersion();
 889             mHostBaseUrl = normalizeUrl(mHostUrlInput.getText().toString());
 890
 891             /// allow or not the user try to access the server
 892             mOkButton.setEnabled(mServerIsValid);
 893
 894         }   // else nothing ; only the last check operation is considered;
 895         // multiple can be triggered if the user amends a URL before a previous check can be triggered
 896     }
 897
 898
 899     private String normalizeUrl(String url) {
 900         if (url != null && url.length() > 0) {
 901             url = url.trim();
 902             if (!url.toLowerCase().startsWith("http://") &&
 903                     !url.toLowerCase().startsWith("https://")) {
 904                 if (mIsSslConn) {
 905                     url = "https://" + url;
 906                 } else {
 907                     url = "http://" + url;
 908                 }
 909             }
 910
 911             // OC-208: Add suffix remote.php/webdav to normalize (OC-34)
 912             url = trimUrlWebdav(url);
 913
 914             if (url.endsWith("/")) {
 915                 url = url.substring(0, url.length() - 1);
 916             }
 917
 918         }
 919         return (url != null ? url : "");
 920     }
 921
 922
 923     private String trimUrlWebdav(String url){
 924         if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){
 925             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length());
 926         } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){
 927             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length());
 928         } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){
 929             url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length());
 930         }
 931         return (url != null ? url : "");
 932     }
 933
 934
 935     /**
 936      * Chooses the right icon and text to show to the user for the received operation result.
 937      *
 938      * @param result    Result of a remote operation performed in this activity
 939      */
 940     private void updateServerStatusIconAndText(RemoteOperationResult result) {
 941         mServerStatusIcon = R.drawable.common_error;    // the most common case in the switch below
 942
 943         switch (result.getCode()) {
 944         case OK_SSL:
 945             mServerStatusIcon = android.R.drawable.ic_secure;
 946             mServerStatusText = R.string.auth_secure_connection;
 947             break;
 948
 949         case OK_NO_SSL:
 950         case OK:
 951             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
 952                 mServerStatusText = R.string.auth_connection_established;
 953                 mServerStatusIcon = R.drawable.ic_ok;
 954             } else {
 955                 mServerStatusText = R.string.auth_nossl_plain_ok_title;
 956                 mServerStatusIcon = android.R.drawable.ic_partial_secure;
 957             }
 958             break;
 959
 960         case NO_NETWORK_CONNECTION:
 961             mServerStatusIcon = R.drawable.no_network;
 962             mServerStatusText = R.string.auth_no_net_conn_title;
 963             break;
 964
 965         case SSL_RECOVERABLE_PEER_UNVERIFIED:
 966             mServerStatusText = R.string.auth_ssl_unverified_server_title;
 967             break;
 968         case BAD_OC_VERSION:
 969             mServerStatusText = R.string.auth_bad_oc_version_title;
 970             break;
 971         case WRONG_CONNECTION:
 972             mServerStatusText = R.string.auth_wrong_connection_title;
 973             break;
 974         case TIMEOUT:
 975             mServerStatusText = R.string.auth_timeout_title;
 976             break;
 977         case INCORRECT_ADDRESS:
 978             mServerStatusText = R.string.auth_incorrect_address_title;
 979             break;
 980         case SSL_ERROR:
 981             mServerStatusText = R.string.auth_ssl_general_error_title;
 982             break;
 983         case UNAUTHORIZED:
 984             mServerStatusText = R.string.auth_unauthorized;
 985             break;
 986         case HOST_NOT_AVAILABLE:
 987             mServerStatusText = R.string.auth_unknown_host_title;
 988             break;
 989         case INSTANCE_NOT_CONFIGURED:
 990             mServerStatusText = R.string.auth_not_configured_title;
 991             break;
 992         case FILE_NOT_FOUND:
 993             mServerStatusText = R.string.auth_incorrect_path_title;
 994             break;
 995         case OAUTH2_ERROR:
 996             mServerStatusText = R.string.auth_oauth_error;
 997             break;
 998         case OAUTH2_ERROR_ACCESS_DENIED:
 999             mServerStatusText = R.string.auth_oauth_error_access_denied;
1000             break;
1001         case UNHANDLED_HTTP_CODE:
1002         case UNKNOWN_ERROR:
1003             mServerStatusText = R.string.auth_unknown_error_title;
1004             break;
1005         default:
1006             mServerStatusText = 0;
1007             mServerStatusIcon = 0;
1008         }
1009     }
1010
1011
1012     /**
1013      * Chooses the right icon and text to show to the user for the received operation result.
1014      *
1015      * @param result    Result of a remote operation performed in this activity
1016      */
1017     private void updateAuthStatusIconAndText(RemoteOperationResult result) {
1018         mAuthStatusIcon = R.drawable.common_error;    // the most common case in the switch below
1019
1020         switch (result.getCode()) {
1021         case OK_SSL:
1022             mAuthStatusIcon = android.R.drawable.ic_secure;
1023             mAuthStatusText = R.string.auth_secure_connection;
1024             break;
1025
1026         case OK_NO_SSL:
1027         case OK:
1028             if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) {
1029                 mAuthStatusText = R.string.auth_connection_established;
1030                 mAuthStatusIcon = R.drawable.ic_ok;
1031             } else {
1032                 mAuthStatusText = R.string.auth_nossl_plain_ok_title;
1033                 mAuthStatusIcon = android.R.drawable.ic_partial_secure;
1034             }
1035             break;
1036
1037         case NO_NETWORK_CONNECTION:
1038             mAuthStatusIcon = R.drawable.no_network;
1039             mAuthStatusText = R.string.auth_no_net_conn_title;
1040             break;
1041
1042         case SSL_RECOVERABLE_PEER_UNVERIFIED:
1043             mAuthStatusText = R.string.auth_ssl_unverified_server_title;
1044             break;
1045         case BAD_OC_VERSION:
1046             mAuthStatusText = R.string.auth_bad_oc_version_title;
1047             break;
1048         case WRONG_CONNECTION:
1049             mAuthStatusText = R.string.auth_wrong_connection_title;
1050             break;
1051         case TIMEOUT:
1052             mAuthStatusText = R.string.auth_timeout_title;
1053             break;
1054         case INCORRECT_ADDRESS:
1055             mAuthStatusText = R.string.auth_incorrect_address_title;
1056             break;
1057         case SSL_ERROR:
1058             mAuthStatusText = R.string.auth_ssl_general_error_title;
1059             break;
1060         case UNAUTHORIZED:
1061             mAuthStatusText = R.string.auth_unauthorized;
1062             break;
1063         case HOST_NOT_AVAILABLE:
1064             mAuthStatusText = R.string.auth_unknown_host_title;
1065             break;
1066         case INSTANCE_NOT_CONFIGURED:
1067             mAuthStatusText = R.string.auth_not_configured_title;
1068             break;
1069         case FILE_NOT_FOUND:
1070             mAuthStatusText = R.string.auth_incorrect_path_title;
1071             break;
1072         case OAUTH2_ERROR:
1073             mAuthStatusText = R.string.auth_oauth_error;
1074             break;
1075         case OAUTH2_ERROR_ACCESS_DENIED:
1076             mAuthStatusText = R.string.auth_oauth_error_access_denied;
1077             break;
1078         case ACCOUNT_NOT_NEW:
1079             mAuthStatusText = R.string.auth_account_not_new;
1080             break;
1081         case ACCOUNT_NOT_THE_SAME:
1082             mAuthStatusText = R.string.auth_account_not_the_same;
1083             break;
1084         case UNHANDLED_HTTP_CODE:
1085         case UNKNOWN_ERROR:
1086             mAuthStatusText = R.string.auth_unknown_error_title;
1087             break;
1088         default:
1089             mAuthStatusText = 0;
1090             mAuthStatusIcon = 0;
1091         }
1092     }
1093
1094
1095     /**
1096      * Processes the result of the request for and access token send
1097      * to an OAuth authorization server.
1098      *
1099      * @param operation     Operation performed requesting the access token.
1100      * @param result        Result of the operation.
1101      */
1102     private void onGetOAuthAccessTokenFinish(OAuth2GetAccessToken operation, RemoteOperationResult result) {
1103         try {
1104             dismissDialog(DIALOG_OAUTH2_LOGIN_PROGRESS);
1105         } catch (IllegalArgumentException e) {
1106             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
1107         }
1108
1109         String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mAuthTokenType);
1110         if (result.isSuccess() && webdav_path != null) {
1111             /// be gentle with the user
1112             showDialog(DIALOG_LOGIN_PROGRESS);
1113
1114             /// time to test the retrieved access token on the ownCloud server
1115             mAuthToken = ((OAuth2GetAccessToken)operation).getResultTokenMap().get(OAuth2Constants.KEY_ACCESS_TOKEN);
1116             Log_OC.d(TAG, "Got ACCESS TOKEN: " + mAuthToken);
1117             mAuthCheckOperation = new ExistenceCheckRemoteOperation("", this, false);
1118             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this, true);
1119             client.setBearerCredentials(mAuthToken);
1120             mAuthCheckOperation.execute(client, this, mHandler);
1121
1122         } else {
1123             updateAuthStatusIconAndText(result);
1124             showAuthStatus();
1125             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1126         }
1127     }
1128
1129
1130     /**
1131      * Processes the result of the access check performed to try the user credentials.
1132      *
1133      * Creates a new account through the AccountManager.
1134      *
1135      * @param operation     Access check performed.
1136      * @param result        Result of the operation.
1137      */
1138     private void onAuthorizationCheckFinish(ExistenceCheckRemoteOperation operation, RemoteOperationResult result) {
1139         try {
1140             dismissDialog(DIALOG_LOGIN_PROGRESS);
1141         } catch (IllegalArgumentException e) {
1142             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
1143         }
1144
1145         if (result.isSuccess()) {
1146             Log_OC.d(TAG, "Successful access - time to save the account");
1147
1148             boolean success = false;
1149             if (mAction == ACTION_CREATE) {
1150                 success = createAccount();
1151
1152             } else {
1153                 updateToken();
1154                 success = true;
1155             }
1156
1157             if (success) {
1158                 finish();
1159             }
1160
1161         } else if (result.isServerFail() || result.isException()) {
1162             /// if server fail or exception in authorization, the UI is updated as when a server check failed
1163             mServerIsChecked = true;
1164             mServerIsValid = false;
1165             mIsSslConn = false;
1166             mOcServerChkOperation = null;
1167             mDiscoveredVersion = null;
1168             mHostBaseUrl = normalizeUrl(mHostUrlInput.getText().toString());
1169
1170             // update status icon and text
1171             updateServerStatusIconAndText(result);
1172             showServerStatus();
1173             mAuthStatusIcon = 0;
1174             mAuthStatusText = 0;
1175             showAuthStatus();
1176
1177             // update input controls state
1178             showRefreshButton();
1179             mOkButton.setEnabled(false);
1180
1181             // very special case (TODO: move to a common place for all the remote operations) (dangerous here?)
1182             if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) {
1183                 mLastSslUntrustedServerResult = result;
1184                 showDialog(DIALOG_SSL_VALIDATOR);
1185             }
1186
1187         } else {    // authorization fail due to client side - probably wrong credentials
1188             updateAuthStatusIconAndText(result);
1189             showAuthStatus();
1190             Log_OC.d(TAG, "Access failed: " + result.getLogMessage());
1191         }
1192
1193     }
1194
1195
1196     /**
1197      * Sets the proper response to get that the Account Authenticator that started this activity saves
1198      * a new authorization token for mAccount.
1199      */
1200     private void updateToken() {
1201         Bundle response = new Bundle();
1202         response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name);
1203         response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type);
1204
1205         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1206             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1207             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1208             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1209
1210         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1211
1212             response.putString(AccountManager.KEY_AUTHTOKEN, mAuthToken);
1213             // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention
1214             mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1215
1216         } else {
1217             response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString());
1218             mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString());
1219         }
1220         setAccountAuthenticatorResult(response);
1221
1222     }
1223
1224
1225     /**
1226      * Creates a new account through the Account Authenticator that started this activity.
1227      *
1228      * This makes the account permanent.
1229      *
1230      * TODO Decide how to name the OAuth accounts
1231      */
1232     private boolean createAccount() {
1233         /// create and save new ownCloud account
1234         boolean isOAuth = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType);
1235         boolean isSaml =  AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType);
1236
1237         Uri uri = Uri.parse(mHostBaseUrl);
1238         String username = mUsernameInput.getText().toString().trim();
1239         if (isOAuth) {
1240             username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong();
1241         }
1242         String accountName = username + "@" + uri.getHost();
1243         if (uri.getPort() >= 0) {
1244             accountName += ":" + uri.getPort();
1245         }
1246         mAccount = new Account(accountName, MainApp.getAccountType());
1247         if (AccountUtils.exists(mAccount, getApplicationContext())) {
1248             // fail - not a new account, but an existing one; disallow
1249             RemoteOperationResult result = new RemoteOperationResult(ResultCode.ACCOUNT_NOT_NEW);
1250             updateAuthStatusIconAndText(result);
1251             showAuthStatus();
1252             Log_OC.d(TAG, result.getLogMessage());
1253             return false;
1254
1255         } else {
1256
1257             if (isOAuth || isSaml) {
1258                 mAccountMgr.addAccountExplicitly(mAccount, "", null);  // with external authorizations, the password is never input in the app
1259             } else {
1260                 mAccountMgr.addAccountExplicitly(mAccount, mPasswordInput.getText().toString(), null);
1261             }
1262
1263             /// add the new account as default in preferences, if there is none already
1264             Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this);
1265             if (defaultAccount == null) {
1266                 SharedPreferences.Editor editor = PreferenceManager
1267                         .getDefaultSharedPreferences(this).edit();
1268                 editor.putString("select_oc_account", accountName);
1269                 editor.commit();
1270             }
1271
1272             /// prepare result to return to the Authenticator
1273             //  TODO check again what the Authenticator makes with it; probably has the same effect as addAccountExplicitly, but it's not well done
1274             final Intent intent = new Intent();
1275             intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE,    MainApp.getAccountType());
1276             intent.putExtra(AccountManager.KEY_ACCOUNT_NAME,    mAccount.name);
1277             /*if (!isOAuth)
1278                 intent.putExtra(AccountManager.KEY_AUTHTOKEN,   MainApp.getAccountType()); */
1279             intent.putExtra(AccountManager.KEY_USERDATA,        username);
1280             if (isOAuth || isSaml) {
1281                 mAccountMgr.setAuthToken(mAccount, mAuthTokenType, mAuthToken);
1282             }
1283             /// add user data to the new account; TODO probably can be done in the last parameter addAccountExplicitly, or in KEY_USERDATA
1284             mAccountMgr.setUserData(mAccount, OwnCloudAccount.Constants.KEY_OC_VERSION,    mDiscoveredVersion.toString());
1285             mAccountMgr.setUserData(mAccount, OwnCloudAccount.Constants.KEY_OC_BASE_URL,   mHostBaseUrl);
1286             if (isSaml) {
1287                 mAccountMgr.setUserData(mAccount, OwnCloudAccount.Constants.KEY_SUPPORTS_SAML_WEB_SSO, "TRUE");
1288             } else if (isOAuth) {
1289                 mAccountMgr.setUserData(mAccount, OwnCloudAccount.Constants.KEY_SUPPORTS_OAUTH2, "TRUE");
1290             }
1291
1292             setAccountAuthenticatorResult(intent.getExtras());
1293             setResult(RESULT_OK, intent);
1294
1295             return true;
1296         }
1297     }
1298
1299
1300     /**
1301      * {@inheritDoc}
1302      *
1303      * Necessary to update the contents of the SSL Dialog
1304      *
1305      * TODO move to some common place for all possible untrusted SSL failures
1306      */
1307     @Override
1308     protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
1309         switch (id) {
1310         case DIALOG_LOGIN_PROGRESS:
1311         case DIALOG_CERT_NOT_SAVED:
1312         case DIALOG_OAUTH2_LOGIN_PROGRESS:
1313             break;
1314         case DIALOG_SSL_VALIDATOR: {
1315             ((SslValidatorDialog)dialog).updateResult(mLastSslUntrustedServerResult);
1316             break;
1317         }
1318         default:
1319             Log_OC.e(TAG, "Incorrect dialog called with id = " + id);
1320         }
1321     }
1322
1323
1324     /**
1325      * {@inheritDoc}
1326      */
1327     @Override
1328     protected Dialog onCreateDialog(int id) {
1329         Dialog dialog = null;
1330         switch (id) {
1331         case DIALOG_LOGIN_PROGRESS: {
1332             /// simple progress dialog
1333             ProgressDialog working_dialog = new ProgressDialog(this);
1334             working_dialog.setMessage(getResources().getString(R.string.auth_trying_to_login));
1335             working_dialog.setIndeterminate(true);
1336             working_dialog.setCancelable(true);
1337             working_dialog
1338             .setOnCancelListener(new DialogInterface.OnCancelListener() {
1339                 @Override
1340                 public void onCancel(DialogInterface dialog) {
1341                     /// TODO study if this is enough
1342                     Log_OC.i(TAG, "Login canceled");
1343                     if (mOperationThread != null) {
1344                         mOperationThread.interrupt();
1345                         finish();
1346                     }
1347                 }
1348             });
1349             dialog = working_dialog;
1350             break;
1351         }
1352         case DIALOG_OAUTH2_LOGIN_PROGRESS: {
1353             ProgressDialog working_dialog = new ProgressDialog(this);
1354             working_dialog.setMessage(String.format("Getting authorization"));
1355             working_dialog.setIndeterminate(true);
1356             working_dialog.setCancelable(true);
1357             working_dialog
1358             .setOnCancelListener(new DialogInterface.OnCancelListener() {
1359                 @Override
1360                 public void onCancel(DialogInterface dialog) {
1361                     Log_OC.i(TAG, "Login canceled");
1362                     finish();
1363                 }
1364             });
1365             dialog = working_dialog;
1366             break;
1367         }
1368         case DIALOG_SSL_VALIDATOR: {
1369             /// TODO start to use new dialog interface, at least for this (it is a FragmentDialog already)
1370             dialog = SslValidatorDialog.newInstance(this, mLastSslUntrustedServerResult, this);
1371             break;
1372         }
1373         case DIALOG_CERT_NOT_SAVED: {
1374             AlertDialog.Builder builder = new AlertDialog.Builder(this);
1375             builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved));
1376             builder.setCancelable(false);
1377             builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() {
1378                 @Override
1379                 public void onClick(DialogInterface dialog, int which) {
1380                     dialog.dismiss();
1381                 };
1382             });
1383             dialog = builder.create();
1384             break;
1385         }
1386         default:
1387             Log_OC.e(TAG, "Incorrect dialog called with id = " + id);
1388         }
1389         return dialog;
1390     }
1391
1392
1393     /**
1394      * Starts and activity to open the 'new account' page in the ownCloud web site
1395      *
1396      * @param view      'Account register' button
1397      */
1398     public void onRegisterClick(View view) {
1399         Intent register = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.welcome_link_url)));
1400         setResult(RESULT_CANCELED);
1401         startActivity(register);
1402     }
1403
1404
1405     /**
1406      * Updates the content and visibility state of the icon and text associated
1407      * to the last check on the ownCloud server.
1408      */
1409     private void showServerStatus() {
1410         TextView tv = (TextView) findViewById(R.id.server_status_text);
1411
1412         if (mServerStatusIcon == 0 && mServerStatusText == 0) {
1413             tv.setVisibility(View.INVISIBLE);
1414
1415         } else {
1416             tv.setText(mServerStatusText);
1417             tv.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0);
1418             tv.setVisibility(View.VISIBLE);
1419         }
1420
1421     }
1422
1423
1424     /**
1425      * Updates the content and visibility state of the icon and text associated
1426      * to the interactions with the OAuth authorization server.
1427      */
1428     private void showAuthStatus() {
1429         if (mAuthStatusIcon == 0 && mAuthStatusText == 0) {
1430             mAuthStatusLayout.setVisibility(View.INVISIBLE);
1431
1432         } else {
1433             mAuthStatusLayout.setText(mAuthStatusText);
1434             mAuthStatusLayout.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0);
1435             mAuthStatusLayout.setVisibility(View.VISIBLE);
1436         }
1437     }
1438
1439
1440     private void showRefreshButton() {
1441         mRefreshButton.setVisibility(View.VISIBLE);
1442     }
1443
1444     private void hideRefreshButton() {
1445         mRefreshButton.setVisibility(View.GONE);
1446     }
1447
1448     /**
1449      * Called when the refresh button in the input field for ownCloud host is clicked.
1450      *
1451      * Performs a new check on the URL in the input field.
1452      *
1453      * @param view      Refresh 'button'
1454      */
1455     public void onRefreshClick(View view) {
1456         checkOcServer();
1457     }
1458
1459
1460     /**
1461      * Called when the eye icon in the password field is clicked.
1462      *
1463      * Toggles the visibility of the password in the field.
1464      */
1465     public void onViewPasswordClick() {
1466         int selectionStart = mPasswordInput.getSelectionStart();
1467         int selectionEnd = mPasswordInput.getSelectionEnd();
1468         if (isPasswordVisible()) {
1469             hidePassword();
1470         } else {
1471             showPassword();
1472         }
1473         mPasswordInput.setSelection(selectionStart, selectionEnd);
1474     }
1475
1476
1477     /**
1478      * Called when the checkbox for OAuth authorization is clicked.
1479      *
1480      * Hides or shows the input fields for user & password.
1481      *
1482      * @param view      'View password' 'button'
1483      */
1484     public void onCheckClick(View view) {
1485         CheckBox oAuth2Check = (CheckBox)view;
1486         if (oAuth2Check.isChecked()) {
1487             mAuthTokenType = AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType());
1488         } else {
1489             mAuthTokenType = AccountTypeUtils.getAuthTokenTypePass(MainApp.getAccountType());
1490         }
1491         adaptViewAccordingToAuthenticationMethod();
1492     }
1493
1494
1495     /**
1496      * Changes the visibility of input elements depending on
1497      * the current authorization method.
1498      */
1499     private void adaptViewAccordingToAuthenticationMethod () {
1500         if (AccountTypeUtils.getAuthTokenTypeAccessToken(MainApp.getAccountType()).equals(mAuthTokenType)) {
1501             // OAuth 2 authorization
1502             mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
1503             mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
1504             mUsernameInput.setVisibility(View.GONE);
1505             mPasswordInput.setVisibility(View.GONE);
1506
1507         } else if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1508             // SAML-based web Single Sign On
1509             mOAuthAuthEndpointText.setVisibility(View.GONE);
1510             mOAuthTokenEndpointText.setVisibility(View.GONE);
1511             mUsernameInput.setVisibility(View.GONE);
1512             mPasswordInput.setVisibility(View.GONE);
1513         } else {
1514             // basic HTTP authorization
1515             mOAuthAuthEndpointText.setVisibility(View.GONE);
1516             mOAuthTokenEndpointText.setVisibility(View.GONE);
1517             mUsernameInput.setVisibility(View.VISIBLE);
1518             mPasswordInput.setVisibility(View.VISIBLE);
1519         }
1520     }
1521
1522     /**
1523      * Called from SslValidatorDialog when a new server certificate was correctly saved.
1524      */
1525     public void onSavedCertificate() {
1526         checkOcServer();
1527     }
1528
1529     /**
1530      * Called from SslValidatorDialog when a new server certificate could not be saved
1531      * when the user requested it.
1532      */
1533     @Override
1534     public void onFailedSavingCertificate() {
1535         showDialog(DIALOG_CERT_NOT_SAVED);
1536     }
1537
1538
1539     /**
1540      *  Called when the 'action' button in an IME is pressed ('enter' in software keyboard).
1541      *
1542      *  Used to trigger the authentication check when the user presses 'enter' after writing the password,
1543      *  or to throw the server test when the only field on screen is the URL input field.
1544      */
1545     @Override
1546     public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) {
1547         if (actionId == EditorInfo.IME_ACTION_DONE && inputField != null && inputField.equals(mPasswordInput)) {
1548             if (mOkButton.isEnabled()) {
1549                 mOkButton.performClick();
1550             }
1551
1552         } else if (actionId == EditorInfo.IME_ACTION_NEXT && inputField != null && inputField.equals(mHostUrlInput)) {
1553             if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType)) {
1554                 checkOcServer();
1555             }
1556         }
1557         return false;   // always return false to grant that the software keyboard is hidden anyway
1558     }
1559
1560
1561     private abstract static class RightDrawableOnTouchListener implements OnTouchListener  {
1562
1563         private int fuzz = 75;
1564
1565         /**
1566          * {@inheritDoc}
1567          */
1568         @Override
1569         public boolean onTouch(View view, MotionEvent event) {
1570             Drawable rightDrawable = null;
1571             if (view instanceof TextView) {
1572                 Drawable[] drawables = ((TextView)view).getCompoundDrawables();
1573                 if (drawables.length > 2) {
1574                     rightDrawable = drawables[2];
1575                 }
1576             }
1577             if (rightDrawable != null) {
1578                 final int x = (int) event.getX();
1579                 final int y = (int) event.getY();
1580                 final Rect bounds = rightDrawable.getBounds();
1581                 if (x >= (view.getRight() - bounds.width() - fuzz) && x <= (view.getRight() - view.getPaddingRight() + fuzz)
1582                     && y >= (view.getPaddingTop() - fuzz) && y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) {
1583
1584                     return onDrawableTouch(event);
1585                 }
1586             }
1587             return false;
1588         }
1589
1590         public abstract boolean onDrawableTouch(final MotionEvent event);
1591     }
1592
1593
1594     public void onSamlDialogSuccess(String sessionCookie){
1595         mAuthToken = sessionCookie;
1596
1597         if (sessionCookie != null && sessionCookie.length() > 0) {
1598             mAuthToken = sessionCookie;
1599
1600             GetUserNameRemoteOperation getUserOperation = new GetUserNameRemoteOperation();
1601             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(Uri.parse(mHostBaseUrl), getApplicationContext(), true);
1602             client.setSsoSessionCookie(mAuthToken);
1603             getUserOperation.execute(client, this, mHandler);
1604         }
1605
1606
1607     }
1608
1609
1610     @Override
1611     public void onSsoFinished(String sessionCookies) {
1612         //Toast.makeText(this, "got cookies: " + sessionCookie, Toast.LENGTH_LONG).show();
1613
1614         if (sessionCookies != null && sessionCookies.length() > 0) {
1615             Log_OC.d(TAG, "Successful SSO - time to save the account");
1616             onSamlDialogSuccess(sessionCookies);
1617             Fragment fd = getSupportFragmentManager().findFragmentByTag(TAG_SAML_DIALOG);
1618             if (fd != null && fd instanceof SherlockDialogFragment) {
1619                 Dialog d = ((SherlockDialogFragment)fd).getDialog();
1620                 if (d != null && d.isShowing()) {
1621                     d.dismiss();
1622                 }
1623             }
1624
1625         } else {
1626             // TODO - show fail
1627             Log_OC.d(TAG, "SSO failed");
1628         }
1629
1630     }
1631
1632     /** Show auth_message
1633      *
1634      * @param message
1635      */
1636     private void showAuthMessage(String message) {
1637        mAuthMessage.setVisibility(View.VISIBLE);
1638        mAuthMessage.setText(message);
1639     }
1640
1641     private void hideAuthMessage() {
1642         mAuthMessage.setVisibility(View.GONE);
1643     }
1644
1645     @Override
1646     public boolean onTouchEvent(MotionEvent event) {
1647         if (AccountTypeUtils.getAuthTokenTypeSamlSessionCookie(MainApp.getAccountType()).equals(mAuthTokenType) &&
1648                 mHostUrlInput.hasFocus() && event.getAction() == MotionEvent.ACTION_DOWN) {
1649             checkOcServer();
1650         }
1651         return super.onTouchEvent(event);
1652     }
1653
1654 }