/* ownCloud Android client application * Copyright (C) 2012 Bartek Przybylski * Copyright (C) 2012-2013 ownCloud Inc. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2, * as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . * */ package com.owncloud.android.authentication; import com.owncloud.android.Log_OC; import com.owncloud.android.ui.dialog.SslValidatorDialog; import com.owncloud.android.ui.dialog.SslValidatorDialog.OnSslValidatorListener; import com.owncloud.android.utils.OwnCloudVersion; import com.owncloud.android.network.OwnCloudClientUtils; import com.owncloud.android.operations.OwnCloudServerCheckOperation; import com.owncloud.android.operations.ExistenceCheckOperation; import com.owncloud.android.operations.OAuth2GetAccessToken; import com.owncloud.android.operations.OnRemoteOperationListener; import com.owncloud.android.operations.RemoteOperation; import com.owncloud.android.operations.RemoteOperationResult; import com.owncloud.android.operations.RemoteOperationResult.ResultCode; import android.accounts.Account; import android.accounts.AccountAuthenticatorActivity; import android.accounts.AccountManager; import android.app.AlertDialog; import android.app.Dialog; import android.app.ProgressDialog; import android.content.ContentResolver; import android.content.DialogInterface; import android.content.Intent; import android.content.SharedPreferences; import android.graphics.Rect; import android.graphics.drawable.Drawable; import android.net.Uri; import android.os.Bundle; import android.os.Handler; import android.preference.PreferenceManager; import android.text.Editable; import android.text.InputType; import android.text.TextWatcher; import android.view.KeyEvent; import android.view.MotionEvent; import android.view.View; import android.view.View.OnFocusChangeListener; import android.view.View.OnTouchListener; import android.view.Window; import android.view.inputmethod.EditorInfo; import android.widget.CheckBox; import android.widget.EditText; import android.widget.Button; import android.widget.TextView; import android.widget.Toast; import android.widget.TextView.OnEditorActionListener; import com.owncloud.android.R; import eu.alefzero.webdav.WebdavClient; /** * This Activity is used to add an ownCloud account to the App * * @author Bartek Przybylski * @author David A. Velasco */ public class AuthenticatorActivity extends AccountAuthenticatorActivity implements OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeListener, OnEditorActionListener { private static final String TAG = AuthenticatorActivity.class.getSimpleName(); public static final String EXTRA_ACCOUNT = "ACCOUNT"; public static final String EXTRA_USER_NAME = "USER_NAME"; public static final String EXTRA_HOST_NAME = "HOST_NAME"; public static final String EXTRA_ACTION = "ACTION"; private static final String KEY_HOST_URL_TEXT = "HOST_URL_TEXT"; private static final String KEY_OC_VERSION = "OC_VERSION"; private static final String KEY_ACCOUNT = "ACCOUNT"; private static final String KEY_SERVER_VALID = "SERVER_VALID"; private static final String KEY_SERVER_CHECKED = "SERVER_CHECKED"; private static final String KEY_SERVER_CHECK_IN_PROGRESS = "SERVER_CHECK_IN_PROGRESS"; private static final String KEY_SERVER_STATUS_TEXT = "SERVER_STATUS_TEXT"; private static final String KEY_SERVER_STATUS_ICON = "SERVER_STATUS_ICON"; private static final String KEY_IS_SSL_CONN = "IS_SSL_CONN"; private static final String KEY_PASSWORD_VISIBLE = "PASSWORD_VISIBLE"; private static final String KEY_AUTH_STATUS_TEXT = "AUTH_STATUS_TEXT"; private static final String KEY_AUTH_STATUS_ICON = "AUTH_STATUS_ICON"; private static final String KEY_REFRESH_BUTTON_ENABLED = "KEY_REFRESH_BUTTON_ENABLED"; private static final String OAUTH_MODE_ON = "on"; private static final String OAUTH_MODE_OFF = "off"; private static final String OAUTH_MODE_OPTIONAL = "optional"; private static final int DIALOG_LOGIN_PROGRESS = 0; private static final int DIALOG_SSL_VALIDATOR = 1; private static final int DIALOG_CERT_NOT_SAVED = 2; private static final int DIALOG_OAUTH2_LOGIN_PROGRESS = 3; public static final byte ACTION_CREATE = 0; public static final byte ACTION_UPDATE_TOKEN = 1; private String mHostBaseUrl; private OwnCloudVersion mDiscoveredVersion; private int mServerStatusText, mServerStatusIcon; private boolean mServerIsChecked, mServerIsValid, mIsSslConn; private int mAuthStatusText, mAuthStatusIcon; private final Handler mHandler = new Handler(); private Thread mOperationThread; private OwnCloudServerCheckOperation mOcServerChkOperation; private ExistenceCheckOperation mAuthCheckOperation; private RemoteOperationResult mLastSslUntrustedServerResult; private Uri mNewCapturedUriFromOAuth2Redirection; private AccountManager mAccountMgr; private boolean mJustCreated; private byte mAction; private Account mAccount; private EditText mHostUrlInput; private EditText mUsernameInput; private EditText mPasswordInput; private CheckBox mOAuth2Check; private String mOAuthAccessToken; private View mOkButton; private TextView mAuthStatusLayout; private TextView mOAuthAuthEndpointText; private TextView mOAuthTokenEndpointText; private boolean mRefreshButtonEnabled; /** * {@inheritDoc} * * IMPORTANT ENTRY POINT 1: activity is shown to the user */ @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); getWindow().requestFeature(Window.FEATURE_NO_TITLE); /// set view and get references to view elements setContentView(R.layout.account_setup); mHostUrlInput = (EditText) findViewById(R.id.hostUrlInput); mUsernameInput = (EditText) findViewById(R.id.account_username); mPasswordInput = (EditText) findViewById(R.id.account_password); mOAuthAuthEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_1); mOAuthTokenEndpointText = (TextView)findViewById(R.id.oAuthEntryPoint_2); mOAuth2Check = (CheckBox) findViewById(R.id.oauth_onOff_check); mOkButton = findViewById(R.id.buttonOK); mAuthStatusLayout = (TextView) findViewById(R.id.auth_status_text); /// complete label for 'register account' button Button b = (Button) findViewById(R.id.account_register); if (b != null) { b.setText(String.format(getString(R.string.auth_register), getString(R.string.app_name))); } /// initialization mAccountMgr = AccountManager.get(this); mNewCapturedUriFromOAuth2Redirection = null; mAction = getIntent().getByteExtra(EXTRA_ACTION, ACTION_CREATE); mAccount = null; mHostBaseUrl = ""; if (savedInstanceState == null) { /// connection state and info mServerStatusText = mServerStatusIcon = 0; mServerIsValid = false; mServerIsChecked = false; mIsSslConn = false; mAuthStatusText = mAuthStatusIcon = 0; /// retrieve extras from intent String tokenType = getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE); boolean oAuthRequired = AccountAuthenticator.AUTH_TOKEN_TYPE_ACCESS_TOKEN.equals(tokenType) || OAUTH_MODE_ON.equals(getString(R.string.oauth2_mode)); mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT); if (mAccount != null) { String ocVersion = mAccountMgr.getUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION); if (ocVersion != null) { mDiscoveredVersion = new OwnCloudVersion(ocVersion); } mHostBaseUrl = normalizeUrl(mAccountMgr.getUserData(mAccount, AccountAuthenticator.KEY_OC_BASE_URL)); mHostUrlInput.setText(mHostBaseUrl); String userName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@')); mUsernameInput.setText(userName); oAuthRequired = (mAccountMgr.getUserData(mAccount, AccountAuthenticator.KEY_SUPPORTS_OAUTH2) != null); } mOAuth2Check.setChecked(oAuthRequired); changeViewByOAuth2Check(oAuthRequired); } else { /// connection state and info mServerIsValid = savedInstanceState.getBoolean(KEY_SERVER_VALID); mServerIsChecked = savedInstanceState.getBoolean(KEY_SERVER_CHECKED); mServerStatusText = savedInstanceState.getInt(KEY_SERVER_STATUS_TEXT); mServerStatusIcon = savedInstanceState.getInt(KEY_SERVER_STATUS_ICON); mIsSslConn = savedInstanceState.getBoolean(KEY_IS_SSL_CONN); mAuthStatusText = savedInstanceState.getInt(KEY_AUTH_STATUS_TEXT); mAuthStatusIcon = savedInstanceState.getInt(KEY_AUTH_STATUS_ICON); if (savedInstanceState.getBoolean(KEY_PASSWORD_VISIBLE, false)) { showPassword(); } /// server data String ocVersion = savedInstanceState.getString(KEY_OC_VERSION); if (ocVersion != null) { mDiscoveredVersion = new OwnCloudVersion(ocVersion); } mHostBaseUrl = savedInstanceState.getString(KEY_HOST_URL_TEXT); // account data, if updating mAccount = savedInstanceState.getParcelable(KEY_ACCOUNT); // check if server check was interrupted by a configuration change if (savedInstanceState.getBoolean(KEY_SERVER_CHECK_IN_PROGRESS, false)) { checkOcServer(); } // refresh button enabled mRefreshButtonEnabled = savedInstanceState.getBoolean(KEY_REFRESH_BUTTON_ENABLED); } showServerStatus(); showAuthStatus(); if (mServerIsChecked && !mServerIsValid && mRefreshButtonEnabled) showRefreshButton(); mOkButton.setEnabled(mServerIsValid); // state not automatically recovered in configuration changes if (!OAUTH_MODE_OPTIONAL.equals(getString(R.string.oauth2_mode))) { mOAuth2Check.setVisibility(View.GONE); } if (mAction == ACTION_UPDATE_TOKEN) { /// lock things that should not change mHostUrlInput.setEnabled(false); mUsernameInput.setEnabled(false); mOAuth2Check.setVisibility(View.GONE); if (!mServerIsValid && mOcServerChkOperation == null) { checkOcServer(); } } mPasswordInput.setText(""); // clean password to avoid social hacking (disadvantage: password in removed if the device is turned aside) mJustCreated = true; /// bind view elements to listeners mHostUrlInput.setOnFocusChangeListener(this); mHostUrlInput.setOnTouchListener(new RightDrawableOnTouchListener() { @Override public boolean onDrawableTouch(final MotionEvent event) { if (event.getAction() == MotionEvent.ACTION_UP) { AuthenticatorActivity.this.onRefreshClick(); } return true; } }); mHostUrlInput.addTextChangedListener(new TextWatcher() { @Override public void afterTextChanged(Editable s) { if (!mHostBaseUrl.equals(normalizeUrl(mHostUrlInput.getText().toString()))) { mOkButton.setEnabled(false); } } @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) {} @Override public void onTextChanged(CharSequence s, int start, int before, int count) {} }); mPasswordInput.setOnFocusChangeListener(this); mPasswordInput.setImeOptions(EditorInfo.IME_ACTION_DONE); mPasswordInput.setOnEditorActionListener(this); mPasswordInput.setOnTouchListener(new RightDrawableOnTouchListener() { @Override public boolean onDrawableTouch(final MotionEvent event) { if (event.getAction() == MotionEvent.ACTION_UP) { AuthenticatorActivity.this.onViewPasswordClick(); } return true; } }); } /** * Saves relevant state before {@link #onPause()} * * Do NOT save {@link #mNewCapturedUriFromOAuth2Redirection}; it keeps a temporal flag, intended to defer the * processing of the redirection caught in {@link #onNewIntent(Intent)} until {@link #onResume()} * * See {@link #loadSavedInstanceState(Bundle)} */ @Override protected void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); /// connection state and info outState.putInt(KEY_SERVER_STATUS_TEXT, mServerStatusText); outState.putInt(KEY_SERVER_STATUS_ICON, mServerStatusIcon); outState.putBoolean(KEY_SERVER_VALID, mServerIsValid); outState.putBoolean(KEY_SERVER_CHECKED, mServerIsChecked); outState.putBoolean(KEY_SERVER_CHECK_IN_PROGRESS, (!mServerIsValid && mOcServerChkOperation != null)); outState.putBoolean(KEY_IS_SSL_CONN, mIsSslConn); outState.putBoolean(KEY_PASSWORD_VISIBLE, isPasswordVisible()); outState.putInt(KEY_AUTH_STATUS_ICON, mAuthStatusIcon); outState.putInt(KEY_AUTH_STATUS_TEXT, mAuthStatusText); /// server data if (mDiscoveredVersion != null) { outState.putString(KEY_OC_VERSION, mDiscoveredVersion.toString()); } outState.putString(KEY_HOST_URL_TEXT, mHostBaseUrl); /// account data, if updating if (mAccount != null) { outState.putParcelable(KEY_ACCOUNT, mAccount); } // refresh button enabled outState.putBoolean(KEY_REFRESH_BUTTON_ENABLED, mRefreshButtonEnabled); } /** * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION request * is caught here. * * To make this possible, this activity needs to be qualified with android:launchMode = "singleTask" in the * AndroidManifest.xml file. */ @Override protected void onNewIntent (Intent intent) { Log_OC.d(TAG, "onNewIntent()"); Uri data = intent.getData(); if (data != null && data.toString().startsWith(getString(R.string.oauth2_redirect_uri))) { mNewCapturedUriFromOAuth2Redirection = data; } } /** * The redirection triggered by the OAuth authentication server as response to the GET AUTHORIZATION, and * deferred in {@link #onNewIntent(Intent)}, is processed here. */ @Override protected void onResume() { super.onResume(); // the state of mOAuth2Check is automatically recovered between configuration changes, but not before onCreate() finishes; so keep the next lines here changeViewByOAuth2Check(mOAuth2Check.isChecked()); if (mAction == ACTION_UPDATE_TOKEN && mJustCreated) { if (mOAuth2Check.isChecked()) Toast.makeText(this, R.string.auth_expired_oauth_token_toast, Toast.LENGTH_LONG).show(); else Toast.makeText(this, R.string.auth_expired_basic_auth_toast, Toast.LENGTH_LONG).show(); } if (mNewCapturedUriFromOAuth2Redirection != null) { getOAuth2AccessTokenFromCapturedRedirection(); } mJustCreated = false; } /** * Parses the redirection with the response to the GET AUTHORIZATION request to the * oAuth server and requests for the access token (GET ACCESS TOKEN) */ private void getOAuth2AccessTokenFromCapturedRedirection() { /// Parse data from OAuth redirection String queryParameters = mNewCapturedUriFromOAuth2Redirection.getQuery(); mNewCapturedUriFromOAuth2Redirection = null; /// Showing the dialog with instructions for the user. showDialog(DIALOG_OAUTH2_LOGIN_PROGRESS); /// GET ACCESS TOKEN to the oAuth server RemoteOperation operation = new OAuth2GetAccessToken( getString(R.string.oauth2_client_id), getString(R.string.oauth2_redirect_uri), getString(R.string.oauth2_grant_type), queryParameters); //WebdavClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(getString(R.string.oauth2_url_endpoint_access)), getApplicationContext()); WebdavClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(mOAuthTokenEndpointText.getText().toString().trim()), getApplicationContext()); operation.execute(client, this, mHandler); } /** * Handles the change of focus on the text inputs for the server URL and the password */ public void onFocusChange(View view, boolean hasFocus) { if (view.getId() == R.id.hostUrlInput) { if (!hasFocus) { onUrlInputFocusLost((TextView) view); if (!mServerIsValid) { showRefreshButton(); } } else { hideRefreshButton(); } } else if (view.getId() == R.id.account_password) { onPasswordFocusChanged((TextView) view, hasFocus); } } /** * Handles changes in focus on the text input for the server URL. * * IMPORTANT ENTRY POINT 2: When (!hasFocus), user wrote the server URL and changed to * other field. The operation to check the existence of the server in the entered URL is * started. * * When hasFocus: user 'comes back' to write again the server URL. * * @param hostInput TextView with the URL input field receiving the change of focus. */ private void onUrlInputFocusLost(TextView hostInput) { if (!mHostBaseUrl.equals(normalizeUrl(mHostUrlInput.getText().toString()))) { checkOcServer(); } else { mOkButton.setEnabled(mServerIsValid); } } private void checkOcServer() { String uri = trimUrlWebdav(mHostUrlInput.getText().toString().trim()); mServerIsValid = false; mServerIsChecked = false; mOkButton.setEnabled(false); mDiscoveredVersion = null; hideRefreshButton(); if (uri.length() != 0) { mServerStatusText = R.string.auth_testing_connection; mServerStatusIcon = R.drawable.progress_small; showServerStatus(); mOcServerChkOperation = new OwnCloudServerCheckOperation(uri, this); WebdavClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(uri), this); mOperationThread = mOcServerChkOperation.execute(client, this, mHandler); } else { mServerStatusText = 0; mServerStatusIcon = 0; showServerStatus(); } } /** * Handles changes in focus on the text input for the password (basic authorization). * * When (hasFocus), the button to toggle password visibility is shown. * * When (!hasFocus), the button is made invisible and the password is hidden. * * @param passwordInput TextView with the password input field receiving the change of focus. * @param hasFocus 'True' if focus is received, 'false' if is lost */ private void onPasswordFocusChanged(TextView passwordInput, boolean hasFocus) { if (hasFocus) { showViewPasswordButton(); } else { hidePassword(); hidePasswordButton(); } } private void showViewPasswordButton() { //int drawable = android.R.drawable.ic_menu_view; int drawable = R.drawable.ic_view; if (isPasswordVisible()) { //drawable = android.R.drawable.ic_secure; drawable = R.drawable.ic_hide; } mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, drawable, 0); } private boolean isPasswordVisible() { return ((mPasswordInput.getInputType() & InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD); } private void hidePasswordButton() { mPasswordInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0); } private void showPassword() { mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD); showViewPasswordButton(); } private void hidePassword() { mPasswordInput.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD); showViewPasswordButton(); } /** * Cancels the authenticator activity * * IMPORTANT ENTRY POINT 3: Never underestimate the importance of cancellation * * This method is bound in the layout/acceoun_setup.xml resource file. * * @param view Cancel button */ public void onCancelClick(View view) { setResult(RESULT_CANCELED); // TODO review how is this related to AccountAuthenticator (debugging) finish(); } /** * Checks the credentials of the user in the root of the ownCloud server * before creating a new local account. * * For basic authorization, a check of existence of the root folder is * performed. * * For OAuth, starts the flow to get an access token; the credentials test * is postponed until it is available. * * IMPORTANT ENTRY POINT 4 * * @param view OK button */ public void onOkClick(View view) { // this check should be unnecessary if (mDiscoveredVersion == null || !mDiscoveredVersion.isVersionValid() || mHostBaseUrl == null || mHostBaseUrl.length() == 0) { mServerStatusIcon = R.drawable.common_error; mServerStatusText = R.string.auth_wtf_reenter_URL; showServerStatus(); mOkButton.setEnabled(false); Log_OC.wtf(TAG, "The user was allowed to click 'connect' to an unchecked server!!"); return; } if (mOAuth2Check.isChecked()) { startOauthorization(); } else { checkBasicAuthorization(); } } /** * Tests the credentials entered by the user performing a check of existence on * the root folder of the ownCloud server. */ private void checkBasicAuthorization() { /// get the path to the root folder through WebDAV from the version server String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, false); /// get basic credentials entered by user String username = mUsernameInput.getText().toString(); String password = mPasswordInput.getText().toString(); /// be gentle with the user showDialog(DIALOG_LOGIN_PROGRESS); /// test credentials accessing the root folder mAuthCheckOperation = new ExistenceCheckOperation("", this, false); WebdavClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this); client.setBasicCredentials(username, password); mOperationThread = mAuthCheckOperation.execute(client, this, mHandler); } /** * Starts the OAuth 'grant type' flow to get an access token, with * a GET AUTHORIZATION request to the BUILT-IN authorization server. */ private void startOauthorization() { // be gentle with the user mAuthStatusIcon = R.drawable.progress_small; mAuthStatusText = R.string.oauth_login_connection; showAuthStatus(); // GET AUTHORIZATION request //Uri uri = Uri.parse(getString(R.string.oauth2_url_endpoint_auth)); Uri uri = Uri.parse(mOAuthAuthEndpointText.getText().toString().trim()); Uri.Builder uriBuilder = uri.buildUpon(); uriBuilder.appendQueryParameter(OAuth2Constants.KEY_RESPONSE_TYPE, getString(R.string.oauth2_response_type)); uriBuilder.appendQueryParameter(OAuth2Constants.KEY_REDIRECT_URI, getString(R.string.oauth2_redirect_uri)); uriBuilder.appendQueryParameter(OAuth2Constants.KEY_CLIENT_ID, getString(R.string.oauth2_client_id)); uriBuilder.appendQueryParameter(OAuth2Constants.KEY_SCOPE, getString(R.string.oauth2_scope)); //uriBuilder.appendQueryParameter(OAuth2Constants.KEY_STATE, whateverwewant); uri = uriBuilder.build(); Log_OC.d(TAG, "Starting browser to view " + uri.toString()); Intent i = new Intent(Intent.ACTION_VIEW, uri); startActivity(i); } /** * Callback method invoked when a RemoteOperation executed by this Activity finishes. * * Dispatches the operation flow to the right method. */ @Override public void onRemoteOperationFinish(RemoteOperation operation, RemoteOperationResult result) { if (operation instanceof OwnCloudServerCheckOperation) { onOcServerCheckFinish((OwnCloudServerCheckOperation) operation, result); } else if (operation instanceof OAuth2GetAccessToken) { onGetOAuthAccessTokenFinish((OAuth2GetAccessToken)operation, result); } else if (operation instanceof ExistenceCheckOperation) { onAuthorizationCheckFinish((ExistenceCheckOperation)operation, result); } } /** * Processes the result of the server check performed when the user finishes the enter of the * server URL. * * @param operation Server check performed. * @param result Result of the check. */ private void onOcServerCheckFinish(OwnCloudServerCheckOperation operation, RemoteOperationResult result) { if (operation.equals(mOcServerChkOperation)) { /// save result state mServerIsChecked = true; mServerIsValid = result.isSuccess(); mIsSslConn = (result.getCode() == ResultCode.OK_SSL); mOcServerChkOperation = null; /// update status icon and text if (mServerIsValid) { hideRefreshButton(); } else { showRefreshButton(); } updateServerStatusIconAndText(result); showServerStatus(); /// very special case (TODO: move to a common place for all the remote operations) if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) { mLastSslUntrustedServerResult = result; showDialog(DIALOG_SSL_VALIDATOR); } /// retrieve discovered version and normalize server URL mDiscoveredVersion = operation.getDiscoveredVersion(); mHostBaseUrl = normalizeUrl(mHostUrlInput.getText().toString()); /// allow or not the user try to access the server mOkButton.setEnabled(mServerIsValid); } // else nothing ; only the last check operation is considered; // multiple can be triggered if the user amends a URL before a previous check can be triggered } private String normalizeUrl(String url) { if (url != null && url.length() > 0) { url = url.trim(); if (!url.toLowerCase().startsWith("http://") && !url.toLowerCase().startsWith("https://")) { if (mIsSslConn) { url = "https://" + url; } else { url = "http://" + url; } } // OC-208: Add suffix remote.php/webdav to normalize (OC-34) url = trimUrlWebdav(url); if (url.endsWith("/")) { url = url.substring(0, url.length() - 1); } } Log_OC.d(TAG, "URL Normalize " + url); return (url != null ? url : ""); } private String trimUrlWebdav(String url){ if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_4_0)){ url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_4_0.length()); } else if(url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_2_0)){ url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_2_0.length()); } else if (url.toLowerCase().endsWith(AccountUtils.WEBDAV_PATH_1_2)){ url = url.substring(0, url.length() - AccountUtils.WEBDAV_PATH_1_2.length()); } return (url != null ? url : ""); } /** * Chooses the right icon and text to show to the user for the received operation result. * * @param result Result of a remote operation performed in this activity */ private void updateServerStatusIconAndText(RemoteOperationResult result) { mServerStatusIcon = R.drawable.common_error; // the most common case in the switch below switch (result.getCode()) { case OK_SSL: mServerStatusIcon = android.R.drawable.ic_secure; mServerStatusText = R.string.auth_secure_connection; break; case OK_NO_SSL: case OK: if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) { mServerStatusText = R.string.auth_connection_established; mServerStatusIcon = R.drawable.ic_ok; } else { mServerStatusText = R.string.auth_nossl_plain_ok_title; mServerStatusIcon = android.R.drawable.ic_partial_secure; } break; case NO_NETWORK_CONNECTION: mServerStatusIcon = R.drawable.no_network; mServerStatusText = R.string.auth_no_net_conn_title; break; case SSL_RECOVERABLE_PEER_UNVERIFIED: mServerStatusText = R.string.auth_ssl_unverified_server_title; break; case BAD_OC_VERSION: mServerStatusText = R.string.auth_bad_oc_version_title; break; case WRONG_CONNECTION: mServerStatusText = R.string.auth_wrong_connection_title; break; case TIMEOUT: mServerStatusText = R.string.auth_timeout_title; break; case INCORRECT_ADDRESS: mServerStatusText = R.string.auth_incorrect_address_title; break; case SSL_ERROR: mServerStatusText = R.string.auth_ssl_general_error_title; break; case UNAUTHORIZED: mServerStatusText = R.string.auth_unauthorized; break; case HOST_NOT_AVAILABLE: mServerStatusText = R.string.auth_unknown_host_title; break; case INSTANCE_NOT_CONFIGURED: mServerStatusText = R.string.auth_not_configured_title; break; case FILE_NOT_FOUND: mServerStatusText = R.string.auth_incorrect_path_title; break; case OAUTH2_ERROR: mServerStatusText = R.string.auth_oauth_error; break; case OAUTH2_ERROR_ACCESS_DENIED: mServerStatusText = R.string.auth_oauth_error_access_denied; break; case UNHANDLED_HTTP_CODE: case UNKNOWN_ERROR: mServerStatusText = R.string.auth_unknown_error_title; break; default: mServerStatusText = 0; mServerStatusIcon = 0; } } /** * Chooses the right icon and text to show to the user for the received operation result. * * @param result Result of a remote operation performed in this activity */ private void updateAuthStatusIconAndText(RemoteOperationResult result) { mAuthStatusIcon = R.drawable.common_error; // the most common case in the switch below switch (result.getCode()) { case OK_SSL: mAuthStatusIcon = android.R.drawable.ic_secure; mAuthStatusText = R.string.auth_secure_connection; break; case OK_NO_SSL: case OK: if (mHostUrlInput.getText().toString().trim().toLowerCase().startsWith("http://") ) { mAuthStatusText = R.string.auth_connection_established; mAuthStatusIcon = R.drawable.ic_ok; } else { mAuthStatusText = R.string.auth_nossl_plain_ok_title; mAuthStatusIcon = android.R.drawable.ic_partial_secure; } break; case NO_NETWORK_CONNECTION: mAuthStatusIcon = R.drawable.no_network; mAuthStatusText = R.string.auth_no_net_conn_title; break; case SSL_RECOVERABLE_PEER_UNVERIFIED: mAuthStatusText = R.string.auth_ssl_unverified_server_title; break; case BAD_OC_VERSION: mAuthStatusText = R.string.auth_bad_oc_version_title; break; case WRONG_CONNECTION: mAuthStatusText = R.string.auth_wrong_connection_title; break; case TIMEOUT: mAuthStatusText = R.string.auth_timeout_title; break; case INCORRECT_ADDRESS: mAuthStatusText = R.string.auth_incorrect_address_title; break; case SSL_ERROR: mAuthStatusText = R.string.auth_ssl_general_error_title; break; case UNAUTHORIZED: mAuthStatusText = R.string.auth_unauthorized; break; case HOST_NOT_AVAILABLE: mAuthStatusText = R.string.auth_unknown_host_title; break; case INSTANCE_NOT_CONFIGURED: mAuthStatusText = R.string.auth_not_configured_title; break; case FILE_NOT_FOUND: mAuthStatusText = R.string.auth_incorrect_path_title; break; case OAUTH2_ERROR: mAuthStatusText = R.string.auth_oauth_error; break; case OAUTH2_ERROR_ACCESS_DENIED: mAuthStatusText = R.string.auth_oauth_error_access_denied; break; case UNHANDLED_HTTP_CODE: case UNKNOWN_ERROR: mAuthStatusText = R.string.auth_unknown_error_title; break; default: mAuthStatusText = 0; mAuthStatusIcon = 0; } } /** * Processes the result of the request for and access token send * to an OAuth authorization server. * * @param operation Operation performed requesting the access token. * @param result Result of the operation. */ private void onGetOAuthAccessTokenFinish(OAuth2GetAccessToken operation, RemoteOperationResult result) { try { dismissDialog(DIALOG_OAUTH2_LOGIN_PROGRESS); } catch (IllegalArgumentException e) { // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens } String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, true); if (result.isSuccess() && webdav_path != null) { /// be gentle with the user showDialog(DIALOG_LOGIN_PROGRESS); /// time to test the retrieved access token on the ownCloud server mOAuthAccessToken = ((OAuth2GetAccessToken)operation).getResultTokenMap().get(OAuth2Constants.KEY_ACCESS_TOKEN); Log_OC.d(TAG, "Got ACCESS TOKEN: " + mOAuthAccessToken); mAuthCheckOperation = new ExistenceCheckOperation("", this, false); WebdavClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this); client.setBearerCredentials(mOAuthAccessToken); mAuthCheckOperation.execute(client, this, mHandler); } else { updateAuthStatusIconAndText(result); showAuthStatus(); Log_OC.d(TAG, "Access failed: " + result.getLogMessage()); } } /** * Processes the result of the access check performed to try the user credentials. * * Creates a new account through the AccountManager. * * @param operation Access check performed. * @param result Result of the operation. */ private void onAuthorizationCheckFinish(ExistenceCheckOperation operation, RemoteOperationResult result) { try { dismissDialog(DIALOG_LOGIN_PROGRESS); } catch (IllegalArgumentException e) { // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens } if (result.isSuccess()) { Log_OC.d(TAG, "Successful access - time to save the account"); if (mAction == ACTION_CREATE) { createAccount(); } else { updateToken(); } finish(); } else if (result.isServerFail() || result.isException()) { /// if server fail or exception in authorization, the UI is updated as when a server check failed mServerIsChecked = true; mServerIsValid = false; mIsSslConn = false; mOcServerChkOperation = null; mDiscoveredVersion = null; mHostBaseUrl = normalizeUrl(mHostUrlInput.getText().toString()); // update status icon and text updateServerStatusIconAndText(result); showServerStatus(); mAuthStatusIcon = 0; mAuthStatusText = 0; showAuthStatus(); // update input controls state showRefreshButton(); mOkButton.setEnabled(false); // very special case (TODO: move to a common place for all the remote operations) (dangerous here?) if (result.getCode() == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED) { mLastSslUntrustedServerResult = result; showDialog(DIALOG_SSL_VALIDATOR); } } else { // authorization fail due to client side - probably wrong credentials updateAuthStatusIconAndText(result); showAuthStatus(); Log_OC.d(TAG, "Access failed: " + result.getLogMessage()); } } /** * Sets the proper response to get that the Account Authenticator that started this activity saves * a new authorization token for mAccount. */ private void updateToken() { Bundle response = new Bundle(); response.putString(AccountManager.KEY_ACCOUNT_NAME, mAccount.name); response.putString(AccountManager.KEY_ACCOUNT_TYPE, mAccount.type); boolean isOAuth = mOAuth2Check.isChecked(); if (isOAuth) { response.putString(AccountManager.KEY_AUTHTOKEN, mOAuthAccessToken); // the next line is necessary; by now, notifications are calling directly to the AuthenticatorActivity to update, without AccountManager intervention mAccountMgr.setAuthToken(mAccount, AccountAuthenticator.AUTH_TOKEN_TYPE_ACCESS_TOKEN, mOAuthAccessToken); } else { response.putString(AccountManager.KEY_AUTHTOKEN, mPasswordInput.getText().toString()); mAccountMgr.setPassword(mAccount, mPasswordInput.getText().toString()); } setAccountAuthenticatorResult(response); } /** * Creates a new account through the Account Authenticator that started this activity. * * This makes the account permanent. * * TODO Decide how to name the OAuth accounts */ private void createAccount() { /// create and save new ownCloud account boolean isOAuth = mOAuth2Check.isChecked(); Uri uri = Uri.parse(mHostBaseUrl); String username = mUsernameInput.getText().toString().trim(); if (isOAuth) { username = "OAuth_user" + (new java.util.Random(System.currentTimeMillis())).nextLong(); } String accountName = username + "@" + uri.getHost(); if (uri.getPort() >= 0) { accountName += ":" + uri.getPort(); } mAccount = new Account(accountName, AccountAuthenticator.ACCOUNT_TYPE); if (isOAuth) { mAccountMgr.addAccountExplicitly(mAccount, "", null); // with our implementation, the password is never input in the app } else { mAccountMgr.addAccountExplicitly(mAccount, mPasswordInput.getText().toString(), null); } /// add the new account as default in preferences, if there is none already Account defaultAccount = AccountUtils.getCurrentOwnCloudAccount(this); if (defaultAccount == null) { SharedPreferences.Editor editor = PreferenceManager .getDefaultSharedPreferences(this).edit(); editor.putString("select_oc_account", accountName); editor.commit(); } /// prepare result to return to the Authenticator // TODO check again what the Authenticator makes with it; probably has the same effect as addAccountExplicitly, but it's not well done final Intent intent = new Intent(); intent.putExtra(AccountManager.KEY_ACCOUNT_TYPE, AccountAuthenticator.ACCOUNT_TYPE); intent.putExtra(AccountManager.KEY_ACCOUNT_NAME, mAccount.name); if (!isOAuth) intent.putExtra(AccountManager.KEY_AUTHTOKEN, AccountAuthenticator.ACCOUNT_TYPE); // TODO check this; not sure it's right; maybe intent.putExtra(AccountManager.KEY_USERDATA, username); if (isOAuth) { mAccountMgr.setAuthToken(mAccount, AccountAuthenticator.AUTH_TOKEN_TYPE_ACCESS_TOKEN, mOAuthAccessToken); } /// add user data to the new account; TODO probably can be done in the last parameter addAccountExplicitly, or in KEY_USERDATA mAccountMgr.setUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION, mDiscoveredVersion.toString()); mAccountMgr.setUserData(mAccount, AccountAuthenticator.KEY_OC_BASE_URL, mHostBaseUrl); if (isOAuth) mAccountMgr.setUserData(mAccount, AccountAuthenticator.KEY_SUPPORTS_OAUTH2, "TRUE"); // TODO this flag should be unnecessary setAccountAuthenticatorResult(intent.getExtras()); setResult(RESULT_OK, intent); /// immediately request for the synchronization of the new account Bundle bundle = new Bundle(); bundle.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true); ContentResolver.requestSync(mAccount, AccountAuthenticator.AUTHORITY, bundle); } /** * {@inheritDoc} * * Necessary to update the contents of the SSL Dialog * * TODO move to some common place for all possible untrusted SSL failures */ @Override protected void onPrepareDialog(int id, Dialog dialog, Bundle args) { switch (id) { case DIALOG_LOGIN_PROGRESS: case DIALOG_CERT_NOT_SAVED: case DIALOG_OAUTH2_LOGIN_PROGRESS: break; case DIALOG_SSL_VALIDATOR: { ((SslValidatorDialog)dialog).updateResult(mLastSslUntrustedServerResult); break; } default: Log_OC.e(TAG, "Incorrect dialog called with id = " + id); } } /** * {@inheritDoc} */ @Override protected Dialog onCreateDialog(int id) { Dialog dialog = null; switch (id) { case DIALOG_LOGIN_PROGRESS: { /// simple progress dialog ProgressDialog working_dialog = new ProgressDialog(this); working_dialog.setMessage(getResources().getString(R.string.auth_trying_to_login)); working_dialog.setIndeterminate(true); working_dialog.setCancelable(true); working_dialog .setOnCancelListener(new DialogInterface.OnCancelListener() { @Override public void onCancel(DialogInterface dialog) { /// TODO study if this is enough Log_OC.i(TAG, "Login canceled"); if (mOperationThread != null) { mOperationThread.interrupt(); finish(); } } }); dialog = working_dialog; break; } case DIALOG_OAUTH2_LOGIN_PROGRESS: { ProgressDialog working_dialog = new ProgressDialog(this); working_dialog.setMessage(String.format("Getting authorization")); working_dialog.setIndeterminate(true); working_dialog.setCancelable(true); working_dialog .setOnCancelListener(new DialogInterface.OnCancelListener() { @Override public void onCancel(DialogInterface dialog) { Log_OC.i(TAG, "Login canceled"); finish(); } }); dialog = working_dialog; break; } case DIALOG_SSL_VALIDATOR: { /// TODO start to use new dialog interface, at least for this (it is a FragmentDialog already) dialog = SslValidatorDialog.newInstance(this, mLastSslUntrustedServerResult, this); break; } case DIALOG_CERT_NOT_SAVED: { AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setMessage(getResources().getString(R.string.ssl_validator_not_saved)); builder.setCancelable(false); builder.setPositiveButton(R.string.common_ok, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { dialog.dismiss(); }; }); dialog = builder.create(); break; } default: Log_OC.e(TAG, "Incorrect dialog called with id = " + id); } return dialog; } /** * Starts and activity to open the 'new account' page in the ownCloud web site * * @param view 'Account register' button */ public void onRegisterClick(View view) { Intent register = new Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.url_account_register))); setResult(RESULT_CANCELED); startActivity(register); } /** * Updates the content and visibility state of the icon and text associated * to the last check on the ownCloud server. */ private void showServerStatus() { TextView tv = (TextView) findViewById(R.id.server_status_text); if (mServerStatusIcon == 0 && mServerStatusText == 0) { tv.setVisibility(View.INVISIBLE); } else { tv.setText(mServerStatusText); tv.setCompoundDrawablesWithIntrinsicBounds(mServerStatusIcon, 0, 0, 0); tv.setVisibility(View.VISIBLE); } } /** * Updates the content and visibility state of the icon and text associated * to the interactions with the OAuth authorization server. */ private void showAuthStatus() { if (mAuthStatusIcon == 0 && mAuthStatusText == 0) { mAuthStatusLayout.setVisibility(View.INVISIBLE); } else { mAuthStatusLayout.setText(mAuthStatusText); mAuthStatusLayout.setCompoundDrawablesWithIntrinsicBounds(mAuthStatusIcon, 0, 0, 0); mAuthStatusLayout.setVisibility(View.VISIBLE); } } private void showRefreshButton() { mHostUrlInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, R.drawable.ic_action_refresh_black, 0); mRefreshButtonEnabled = true; } private void hideRefreshButton() { mHostUrlInput.setCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0); mRefreshButtonEnabled = false; } /** * Called when the refresh button in the input field for ownCloud host is clicked. * * Performs a new check on the URL in the input field. * * @param view Refresh 'button' */ public void onRefreshClick() { checkOcServer(); } /** * Called when the eye icon in the password field is clicked. * * Toggles the visibility of the password in the field. */ public void onViewPasswordClick() { int selectionStart = mPasswordInput.getSelectionStart(); int selectionEnd = mPasswordInput.getSelectionEnd(); if (isPasswordVisible()) { hidePassword(); } else { showPassword(); } mPasswordInput.setSelection(selectionStart, selectionEnd); } /** * Called when the checkbox for OAuth authorization is clicked. * * Hides or shows the input fields for user & password. * * @param view 'View password' 'button' */ public void onCheckClick(View view) { CheckBox oAuth2Check = (CheckBox)view; changeViewByOAuth2Check(oAuth2Check.isChecked()); } /** * Changes the visibility of input elements depending upon the kind of authorization * chosen by the user: basic or OAuth * * @param checked 'True' when OAuth is selected. */ public void changeViewByOAuth2Check(Boolean checked) { if (checked) { mOAuthAuthEndpointText.setVisibility(View.VISIBLE); mOAuthTokenEndpointText.setVisibility(View.VISIBLE); mUsernameInput.setVisibility(View.GONE); mPasswordInput.setVisibility(View.GONE); } else { mOAuthAuthEndpointText.setVisibility(View.GONE); mOAuthTokenEndpointText.setVisibility(View.GONE); mUsernameInput.setVisibility(View.VISIBLE); mPasswordInput.setVisibility(View.VISIBLE); } } /** * Called from SslValidatorDialog when a new server certificate was correctly saved. */ public void onSavedCertificate() { checkOcServer(); } /** * Called from SslValidatorDialog when a new server certificate could not be saved * when the user requested it. */ @Override public void onFailedSavingCertificate() { showDialog(DIALOG_CERT_NOT_SAVED); } /** * Called when the 'action' button in an IME is pressed ('enter' in software keyboard). * * Used to trigger the authorization check when the user presses 'enter' after writing the password. */ @Override public boolean onEditorAction(TextView inputField, int actionId, KeyEvent event) { if (inputField != null && inputField.equals(mPasswordInput) && actionId == EditorInfo.IME_ACTION_DONE) { if (mOkButton.isEnabled()) { mOkButton.performClick(); } } return false; // always return false to grant that the software keyboard is hidden anyway } private abstract static class RightDrawableOnTouchListener implements OnTouchListener { private int fuzz = 75; /** * {@inheritDoc} */ @Override public boolean onTouch(View view, MotionEvent event) { Drawable rightDrawable = null; if (view instanceof TextView) { Drawable[] drawables = ((TextView)view).getCompoundDrawables(); if (drawables.length > 2) { rightDrawable = drawables[2]; } } if (rightDrawable != null) { final int x = (int) event.getX(); final int y = (int) event.getY(); final Rect bounds = rightDrawable.getBounds(); if (x >= (view.getRight() - bounds.width() - fuzz) && x <= (view.getRight() - view.getPaddingRight() + fuzz) && y >= (view.getPaddingTop() - fuzz) && y <= (view.getHeight() - view.getPaddingBottom()) + fuzz) { return onDrawableTouch(event); } } return false; } public abstract boolean onDrawableTouch(final MotionEvent event); } }