forked from GNUsocial/gnu-social
105 lines
3.1 KiB
PHP
105 lines
3.1 KiB
PHP
<?php
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/**
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* This file is part of libomb
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*
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* PHP version 5
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*
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* LICENSE: This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @package OMB
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* @author Adrian Lang <mail@adrianlang.de>
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* @license http://www.gnu.org/licenses/agpl.html GNU AGPL 3.0
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* @version 0.1a-20090828
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* @link http://adrianlang.de/libomb
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*/
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require_once 'Validate.php';
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/**
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* Helper functions for libomb
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*
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* This class contains helper functions for libomb.
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*/
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class OMB_Helper
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{
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/**
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* Non-scalar constants
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*
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* The set of OMB and OAuth Services an OMB Server has to implement.
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*/
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public static $OMB_SERVICES = array(OMB_ENDPOINT_UPDATEPROFILE,
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OMB_ENDPOINT_POSTNOTICE);
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public static $OAUTH_SERVICES = array(OAUTH_ENDPOINT_REQUEST,
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OAUTH_ENDPOINT_AUTHORIZE,
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OAUTH_ENDPOINT_ACCESS);
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/**
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* Validate URL
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*
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* Basic URL validation. Currently http, https, ftp and gopher are supported
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* schemes.
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*
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* @param string $url The URL which is to be validated.
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*
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* @return bool Whether URL is valid.
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*
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* @access public
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*/
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public static function validateURL($url)
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{
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return Validate::uri($url, array('allowed_schemes' => array('http',
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'https', 'gopher', 'ftp')));
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}
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/**
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* Validate Media type
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*
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* Basic Media type validation. Checks for valid maintype and correct
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* format.
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*
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* @param string $mediatype The Media type which is to be validated.
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*
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* @return bool Whether media type is valid.
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*
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* @access public
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*/
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public static function validateMediaType($mediatype)
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{
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return preg_match('/^(\w+)\/([\w\d-+.]+)$/', $mediatype, $subtypes) > 0
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&&
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in_array(strtolower($subtypes[1]), array('application', 'audio',
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'image', 'message', 'model', 'multipart', 'text', 'video'));
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}
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/**
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* Remove escaping from request parameters
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*
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* Neutralise the evil effects of magic_quotes_gpc in the current request.
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* This is used before handing a request off to OAuthRequest::from_request.
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* Many thanks to Ciaran Gultnieks for this fix.
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*
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* @access public
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*/
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public static function removeMagicQuotesFromRequest()
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{
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if (get_magic_quotes_gpc() === 1) {
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$_POST = array_map('stripslashes', $_POST);
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$_GET = array_map('stripslashes', $_GET);
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}
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}
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}
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?>
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