--- /dev/null
+/* 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 <http://www.gnu.org/licenses/>.
+ *
+ */
+
+package com.owncloud.android.authentication;
+
+import com.owncloud.android.Log_OC;
+import com.owncloud.android.MainApp;
+import com.owncloud.android.R;
+
+import android.accounts.*;
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.Handler;
+import android.widget.Toast;
+
+
+
+
+/**
+ * Authenticator for ownCloud accounts.
+ *
+ * Controller class accessed from the system AccountManager, providing integration of ownCloud accounts with the Android system.
+ *
+ * TODO - better separation in operations for OAuth-capable and regular ownCloud accounts.
+ * TODO - review completeness
+ *
+ * @author David A. Velasco
+ */
+public class AccountAuthenticator extends AbstractAccountAuthenticator {
+
+ /**
+ * Is used by android system to assign accounts to authenticators. Should be
+ * used by application and all extensions.
+ */
+ /* These constants are now in MainApp
+ public static final String ACCOUNT_TYPE = "owncloud";
+ public static final String AUTHORITY = "org.owncloud";
+ public static final String AUTH_TOKEN_TYPE = "org.owncloud";
+ public static final String AUTH_TOKEN_TYPE_PASSWORD = "owncloud.password";
+ public static final String AUTH_TOKEN_TYPE_ACCESS_TOKEN = "owncloud.oauth2.access_token";
+ public static final String AUTH_TOKEN_TYPE_REFRESH_TOKEN = "owncloud.oauth2.refresh_token";
+ public static final String AUTH_TOKEN_TYPE_SAML_WEB_SSO_SESSION_COOKIE = "owncloud.saml.web_sso.session_cookie";
+ */
+ public static final String KEY_AUTH_TOKEN_TYPE = "authTokenType";
+ public static final String KEY_REQUIRED_FEATURES = "requiredFeatures";
+ public static final String KEY_LOGIN_OPTIONS = "loginOptions";
+ public static final String KEY_ACCOUNT = "account";
+
+ /**
+ * Value under this key should handle path to webdav php script. Will be
+ * removed and usage should be replaced by combining
+ * {@link com.owncloud.android.authentication.AuthenticatorActivity.KEY_OC_BASE_URL} and
+ * {@link com.owncloud.android.utils.OwnCloudVersion}
+ *
+ * @deprecated
+ */
+ public static final String KEY_OC_URL = "oc_url";
+ /**
+ * Version should be 3 numbers separated by dot so it can be parsed by
+ * {@link com.owncloud.android.utils.OwnCloudVersion}
+ */
+ public static final String KEY_OC_VERSION = "oc_version";
+ /**
+ * Base url should point to owncloud installation without trailing / ie:
+ * http://server/path or https://owncloud.server
+ */
+ public static final String KEY_OC_BASE_URL = "oc_base_url";
+ /**
+ * Flag signaling if the ownCloud server can be accessed with OAuth2 access tokens.
+ */
+ public static final String KEY_SUPPORTS_OAUTH2 = "oc_supports_oauth2";
+ /**
+ * Flag signaling if the ownCloud server can be accessed with session cookies from SAML-based web single-sign-on.
+ */
+ public static final String KEY_SUPPORTS_SAML_WEB_SSO = "oc_supports_saml_web_sso";
+
+ private static final String TAG = AccountAuthenticator.class.getSimpleName();
+
+ private Context mContext;
+
+ private Handler mHandler;
+
+ public AccountAuthenticator(Context context) {
+ super(context);
+ mContext = context;
+ mHandler = new Handler();
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Bundle addAccount(AccountAuthenticatorResponse response,
+ String accountType, String authTokenType,
+ String[] requiredFeatures, Bundle options)
+ throws NetworkErrorException {
+ Log_OC.i(TAG, "Adding account with type " + accountType
+ + " and auth token " + authTokenType);
+
+ final Bundle bundle = new Bundle();
+
+ AccountManager accountManager = AccountManager.get(mContext);
+ Account[] accounts = accountManager.getAccountsByType(MainApp.getAccountType());
+
+ if (mContext.getResources().getBoolean(R.bool.multiaccount_support) || accounts.length < 1) {
+ try {
+ validateAccountType(accountType);
+ } catch (AuthenticatorException e) {
+ Log_OC.e(TAG, "Failed to validate account type " + accountType + ": "
+ + e.getMessage());
+ e.printStackTrace();
+ return e.getFailureBundle();
+ }
+
+ final Intent intent = new Intent(mContext, AuthenticatorActivity.class);
+ intent.putExtra(AccountManager.KEY_ACCOUNT_AUTHENTICATOR_RESPONSE, response);
+ intent.putExtra(KEY_AUTH_TOKEN_TYPE, authTokenType);
+ intent.putExtra(KEY_REQUIRED_FEATURES, requiredFeatures);
+ intent.putExtra(KEY_LOGIN_OPTIONS, options);
+ intent.putExtra(AuthenticatorActivity.EXTRA_ACTION, AuthenticatorActivity.ACTION_CREATE);
+
+ setIntentFlags(intent);
+
+ bundle.putParcelable(AccountManager.KEY_INTENT, intent);
+
+ } else {
+
+ // Return an error
+ bundle.putInt(AccountManager.KEY_ERROR_CODE, AccountManager.ERROR_CODE_UNSUPPORTED_OPERATION);
+ final String message = String.format(mContext.getString(R.string.auth_unsupported_multiaccount), mContext.getString(R.string.app_name));
+ bundle.putString(AccountManager.KEY_ERROR_MESSAGE, message);
+
+ mHandler.post(new Runnable() {
+
+ @Override
+ public void run() {
+ Toast.makeText(mContext, message, Toast.LENGTH_SHORT).show();
+ }
+ });
+
+ }
+
+ return bundle;
+ }
+
+ /**\r
+ * {@inheritDoc}\r
+ */\r
+ @Override\r
+ public Bundle confirmCredentials(AccountAuthenticatorResponse response,\r
+ Account account, Bundle options) throws NetworkErrorException {\r
+ try {\r
+ validateAccountType(account.type);\r
+ } catch (AuthenticatorException e) {\r
+ Log_OC.e(TAG, "Failed to validate account type " + account.type + ": "\r
+ + e.getMessage());\r
+ e.printStackTrace();\r
+ return e.getFailureBundle();\r
+ }\r
+ Intent intent = new Intent(mContext, AuthenticatorActivity.class);\r
+ intent.putExtra(AccountManager.KEY_ACCOUNT_AUTHENTICATOR_RESPONSE,\r
+ response);\r
+ intent.putExtra(KEY_ACCOUNT, account);\r
+ intent.putExtra(KEY_LOGIN_OPTIONS, options);\r
+\r
+ setIntentFlags(intent);\r
+\r
+ Bundle resultBundle = new Bundle();\r
+ resultBundle.putParcelable(AccountManager.KEY_INTENT, intent);\r
+ return resultBundle;\r
+ }\r
+\r
+ @Override\r
+ public Bundle editProperties(AccountAuthenticatorResponse response,\r
+ String accountType) {\r
+ return null;\r
+ }\r
+\r
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Bundle getAuthToken(AccountAuthenticatorResponse response,
+ Account account, String authTokenType, Bundle options)
+ throws NetworkErrorException {
+ /// validate parameters
+ try {
+ validateAccountType(account.type);
+ validateAuthTokenType(authTokenType);
+ } catch (AuthenticatorException e) {
+ Log_OC.e(TAG, "Failed to validate account type " + account.type + ": "
+ + e.getMessage());
+ e.printStackTrace();
+ return e.getFailureBundle();
+ }
+
+ /// check if required token is stored
+ final AccountManager am = AccountManager.get(mContext);
+ String accessToken;
+ if (authTokenType.equals(MainApp.getAuthTokenTypePass())) {
+ accessToken = am.getPassword(account);
+ } else {
+ accessToken = am.peekAuthToken(account, authTokenType);
+ }
+ if (accessToken != null) {
+ final Bundle result = new Bundle();
+ result.putString(AccountManager.KEY_ACCOUNT_NAME, account.name);
+ result.putString(AccountManager.KEY_ACCOUNT_TYPE, MainApp.getAccountType());
+ result.putString(AccountManager.KEY_AUTHTOKEN, accessToken);
+ return result;
+ }
+
+ /// if not stored, return Intent to access the AuthenticatorActivity and UPDATE the token for the account
+ final Intent intent = new Intent(mContext, AuthenticatorActivity.class);
+ intent.putExtra(AccountManager.KEY_ACCOUNT_AUTHENTICATOR_RESPONSE, response);
+ intent.putExtra(KEY_AUTH_TOKEN_TYPE, authTokenType);
+ intent.putExtra(KEY_LOGIN_OPTIONS, options);
+ intent.putExtra(AuthenticatorActivity.EXTRA_ACCOUNT, account);
+ intent.putExtra(AuthenticatorActivity.EXTRA_ENFORCED_UPDATE, true);
+ intent.putExtra(AuthenticatorActivity.EXTRA_ACTION, AuthenticatorActivity.ACTION_UPDATE_TOKEN);
+
+
+ final Bundle bundle = new Bundle();
+ bundle.putParcelable(AccountManager.KEY_INTENT, intent);
+ return bundle;
+ }
+
+ @Override
+ public String getAuthTokenLabel(String authTokenType) {
+ return null;
+ }
+
+ @Override
+ public Bundle hasFeatures(AccountAuthenticatorResponse response,
+ Account account, String[] features) throws NetworkErrorException {
+ final Bundle result = new Bundle();
+ result.putBoolean(AccountManager.KEY_BOOLEAN_RESULT, true);
+ return result;
+ }
+
+ @Override
+ public Bundle updateCredentials(AccountAuthenticatorResponse response,
+ Account account, String authTokenType, Bundle options)
+ throws NetworkErrorException {
+ final Intent intent = new Intent(mContext, AuthenticatorActivity.class);
+ intent.putExtra(AccountManager.KEY_ACCOUNT_AUTHENTICATOR_RESPONSE,
+ response);
+ intent.putExtra(KEY_ACCOUNT, account);
+ intent.putExtra(KEY_AUTH_TOKEN_TYPE, authTokenType);
+ intent.putExtra(KEY_LOGIN_OPTIONS, options);
+ setIntentFlags(intent);
+
+ final Bundle bundle = new Bundle();
+ bundle.putParcelable(AccountManager.KEY_INTENT, intent);
+ return bundle;
+ }
+
+ @Override
+ public Bundle getAccountRemovalAllowed(
+ AccountAuthenticatorResponse response, Account account)
+ throws NetworkErrorException {
+ return super.getAccountRemovalAllowed(response, account);
+ }
+
+ private void setIntentFlags(Intent intent) {
+ intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+ intent.addFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
+ intent.addFlags(Intent.FLAG_FROM_BACKGROUND);
+ }
+
+ private void validateAccountType(String type)
+ throws UnsupportedAccountTypeException {
+ if (!type.equals(MainApp.getAccountType())) {
+ throw new UnsupportedAccountTypeException();
+ }
+ }
+
+ private void validateAuthTokenType(String authTokenType)\r
+ throws UnsupportedAuthTokenTypeException {\r
+ if (!authTokenType.equals(MainApp.getAuthTokenType()) &&\r
+ !authTokenType.equals(MainApp.getAuthTokenTypePass()) &&\r
+ !authTokenType.equals(MainApp.getAuthTokenTypeAccessToken()) &&\r
+ !authTokenType.equals(MainApp.getAuthTokenTypeRefreshToken()) &&
+ !authTokenType.equals(MainApp.getAuthTokenTypeSamlSessionCookie())) {\r
+ throw new UnsupportedAuthTokenTypeException();\r
+ }\r
+ }\r
+\r
+ public static class AuthenticatorException extends Exception {\r
+ private static final long serialVersionUID = 1L;\r
+ private Bundle mFailureBundle;\r
+\r
+ public AuthenticatorException(int code, String errorMsg) {\r
+ mFailureBundle = new Bundle();\r
+ mFailureBundle.putInt(AccountManager.KEY_ERROR_CODE, code);\r
+ mFailureBundle\r
+ .putString(AccountManager.KEY_ERROR_MESSAGE, errorMsg);\r
+ }\r
+\r
+ public Bundle getFailureBundle() {\r
+ return mFailureBundle;\r
+ }\r
+ }\r
+\r
+ public static class UnsupportedAccountTypeException extends\r
+ AuthenticatorException {\r
+ private static final long serialVersionUID = 1L;\r
+\r
+ public UnsupportedAccountTypeException() {\r
+ super(AccountManager.ERROR_CODE_UNSUPPORTED_OPERATION,\r
+ "Unsupported account type");\r
+ }\r
+ }\r
+\r
+ public static class UnsupportedAuthTokenTypeException extends\r
+ AuthenticatorException {\r
+ private static final long serialVersionUID = 1L;\r
+\r
+ public UnsupportedAuthTokenTypeException() {\r
+ super(AccountManager.ERROR_CODE_UNSUPPORTED_OPERATION,\r
+ "Unsupported auth token type");\r
+ }\r
+ }\r
+\r
+ public static class UnsupportedFeaturesException extends\r
+ AuthenticatorException {\r
+ public static final long serialVersionUID = 1L;\r
+\r
+ public UnsupportedFeaturesException() {\r
+ super(AccountManager.ERROR_CODE_UNSUPPORTED_OPERATION,\r
+ "Unsupported features");\r
+ }\r
+ }\r
+\r
+ public static class AccessDeniedException extends AuthenticatorException {\r
+ public AccessDeniedException(int code, String errorMsg) {\r
+ super(AccountManager.ERROR_CODE_INVALID_RESPONSE, "Access Denied");\r
+ }\r
+\r
+ private static final long serialVersionUID = 1L;\r
+\r
+ }\r
+}\r