148 lines
4.0 KiB
PHP
148 lines
4.0 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Feed_Pubsubhubbub
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* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id$
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*/
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/**
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* @see Zend_Http_Client
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*/
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/**
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* @see Zend_Uri
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*/
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/**
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* @see Zend_Version
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*/
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/**
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* @see Zend_Feed_Reader
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*/
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/**
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* @see Zend_Feed_Abstract
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*/
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/**
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* @category Zend
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* @package Zend_Feed_Pubsubhubbub
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* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Feed_Pubsubhubbub
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{
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/**
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* Verification Modes
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*/
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const VERIFICATION_MODE_SYNC = 'sync';
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const VERIFICATION_MODE_ASYNC = 'async';
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/**
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* Subscription States
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*/
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const SUBSCRIPTION_VERIFIED = 'verified';
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const SUBSCRIPTION_NOTVERIFIED = 'not_verified';
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const SUBSCRIPTION_TODELETE = 'to_delete';
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/**
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* Singleton instance if required of the HTTP client
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*
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* @var Zend_Http_Client
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*/
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protected static $httpClient = null;
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/**
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* Simple utility function which imports any feed URL and
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* determines the existence of Hub Server endpoints. This works
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* best if directly given an instance of Zend_Feed_Reader_Atom|Rss
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* to leverage off.
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*
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* @param Zend_Feed_Reader_FeedAbstract|Zend_Feed_Abstract|string $source
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* @return array
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*/
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public static function detectHubs($source)
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{
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if (is_string($source)) {
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$feed = Zend_Feed_Reader::import($source);
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} elseif (is_object($source) && $source instanceof Zend_Feed_Reader_FeedAbstract) {
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$feed = $source;
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} elseif (is_object($source) && $source instanceof Zend_Feed_Abstract) {
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$feed = Zend_Feed_Reader::importFeed($source);
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} else {
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throw new Zend_Feed_Pubsubhubbub_Exception('The source parameter was'
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. ' invalid, i.e. not a URL string or an instance of type'
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. ' Zend_Feed_Reader_FeedAbstract or Zend_Feed_Abstract');
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}
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return $feed->getHubs();
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}
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/**
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* Allows the external environment to make Zend_Oauth use a specific
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* Client instance.
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*
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* @param Zend_Http_Client $httpClient
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* @return void
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*/
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public static function setHttpClient(Zend_Http_Client $httpClient)
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{
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self::$httpClient = $httpClient;
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}
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/**
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* Return the singleton instance of the HTTP Client. Note that
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* the instance is reset and cleared of previous parameters GET/POST.
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* Headers are NOT reset but handled by this component if applicable.
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*
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* @return Zend_Http_Client
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*/
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public static function getHttpClient()
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{
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if (!isset(self::$httpClient)):
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self::$httpClient = new Zend_Http_Client;
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else:
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self::$httpClient->resetParameters();
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endif;
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return self::$httpClient;
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}
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/**
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* Simple mechanism to delete the entire singleton HTTP Client instance
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* which forces an new instantiation for subsequent requests.
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*
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* @return void
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*/
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public static function clearHttpClient()
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{
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self::$httpClient = null;
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}
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/**
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* RFC 3986 safe url encoding method
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*
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* @param string $string
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* @return string
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*/
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public static function urlencode($string)
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{
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$rawencoded = rawurlencode($string);
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$rfcencoded = str_replace('%7E', '~', $rawencoded);
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return $rfcencoded;
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}
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}
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