+/* ownCloud Android client application
+ * 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 as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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;
+
+/**
+ * Constant values for OAuth 2 protocol.
+ *
+ * Includes required and optional parameter NAMES used in the 'authorization code' grant type.
+ *
+ * @author David A. Velasco
+ */
+
+public class OAuth2Constants {
+
+ /// Parameters to send to the Authorization Endpoint
+ public static final String KEY_RESPONSE_TYPE = "response_type";
+ public static final String KEY_REDIRECT_URI = "redirect_uri";
+ public static final String KEY_CLIENT_ID = "client_id";
+ public static final String KEY_SCOPE = "scope";
+ public static final String KEY_STATE = "state";
+
+ /// Additional parameters to send to the Token Endpoint
+ public static final String KEY_GRANT_TYPE = "grant_type";
+ public static final String KEY_CODE = "code";
+
+ /// Parameters received in an OK response from the Token Endpoint
+ public static final String KEY_ACCESS_TOKEN = "access_token";
+ public static final String KEY_TOKEN_TYPE = "token_type";
+ public static final String KEY_EXPIRES_IN = "expires_in";
+ public static final String KEY_REFRESH_TOKEN = "refresh_token";
+
+ /// Parameters in an ERROR response
+ public static final String KEY_ERROR = "error";
+ public static final String KEY_ERROR_DESCRIPTION = "error_description";
+ public static final String KEY_ERROR_URI = "error_uri";
+ public static final String VALUE_ERROR_ACCESS_DENIED = "access_denied";
+
+}