| Current File : /home/c/i/d/cideo/www/wp-includesVIp/js/crop/images/Cache.tar |
Memcached.php 0000666 00000012412 15123431732 0007130 0 ustar 00 <?php
/**
* SimplePie
*
* A PHP-Based RSS and Atom Feed Framework.
* Takes the hard work out of managing a complete RSS/Atom solution.
*
* Copyright (c) 2004-2016, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* * Neither the name of the SimplePie Team nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
* AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @package SimplePie
* @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue
* @author Ryan Parman
* @author Sam Sneddon
* @author Ryan McCue
* @link http://simplepie.org/ SimplePie
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
*/
/**
* Caches data to memcached
*
* Registered for URLs with the "memcached" protocol
*
* For example, `memcached://localhost:11211/?timeout=3600&prefix=sp_` will
* connect to memcached on `localhost` on port 11211. All tables will be
* prefixed with `sp_` and data will expire after 3600 seconds
*
* @package SimplePie
* @subpackage Caching
* @author Paul L. McNeely
* @uses Memcached
*/
class SimplePie_Cache_Memcached implements SimplePie_Cache_Base
{
/**
* Memcached instance
* @var Memcached
*/
protected $cache;
/**
* Options
* @var array
*/
protected $options;
/**
* Cache name
* @var string
*/
protected $name;
/**
* Create a new cache object
* @param string $location Location string (from SimplePie::$cache_location)
* @param string $name Unique ID for the cache
* @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
*/
public function __construct($location, $name, $type) {
$this->options = array(
'host' => '127.0.0.1',
'port' => 11211,
'extras' => array(
'timeout' => 3600, // one hour
'prefix' => 'simplepie_',
),
);
$this->options = SimplePie_Misc::array_merge_recursive($this->options, SimplePie_Cache::parse_URL($location));
$this->name = $this->options['extras']['prefix'] . md5("$name:$type");
$this->cache = new Memcached();
$this->cache->addServer($this->options['host'], (int)$this->options['port']);
}
/**
* Save data to the cache
* @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property
* @return bool Successfulness
*/
public function save($data) {
if ($data instanceof SimplePie) {
$data = $data->data;
}
return $this->setData(serialize($data));
}
/**
* Retrieve the data saved to the cache
* @return array Data for SimplePie::$data
*/
public function load() {
$data = $this->cache->get($this->name);
if ($data !== false) {
return unserialize($data);
}
return false;
}
/**
* Retrieve the last modified time for the cache
* @return int Timestamp
*/
public function mtime() {
$data = $this->cache->get($this->name . '_mtime');
return (int) $data;
}
/**
* Set the last modified time to the current time
* @return bool Success status
*/
public function touch() {
$data = $this->cache->get($this->name);
return $this->setData($data);
}
/**
* Remove the cache
* @return bool Success status
*/
public function unlink() {
return $this->cache->delete($this->name, 0);
}
/**
* Set the last modified time and data to Memcached
* @return bool Success status
*/
private function setData($data) {
if ($data !== false) {
$this->cache->set($this->name . '_mtime', time(), (int)$this->options['extras']['timeout']);
return $this->cache->set($this->name, $data, (int)$this->options['extras']['timeout']);
}
return false;
}
}
File.php 0000666 00000010510 15123431732 0006136 0 ustar 00 <?php
/**
* SimplePie
*
* A PHP-Based RSS and Atom Feed Framework.
* Takes the hard work out of managing a complete RSS/Atom solution.
*
* Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* * Neither the name of the SimplePie Team nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
* AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @package SimplePie
* @version 1.3.1
* @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
* @author Ryan Parman
* @author Geoffrey Sneddon
* @author Ryan McCue
* @link http://simplepie.org/ SimplePie
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
*/
/**
* Caches data to the filesystem
*
* @package SimplePie
* @subpackage Caching
*/
class SimplePie_Cache_File implements SimplePie_Cache_Base
{
/**
* Location string
*
* @see SimplePie::$cache_location
* @var string
*/
protected $location;
/**
* Filename
*
* @var string
*/
protected $filename;
/**
* File extension
*
* @var string
*/
protected $extension;
/**
* File path
*
* @var string
*/
protected $name;
/**
* Create a new cache object
*
* @param string $location Location string (from SimplePie::$cache_location)
* @param string $name Unique ID for the cache
* @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
*/
public function __construct($location, $name, $type)
{
$this->location = $location;
$this->filename = $name;
$this->extension = $type;
$this->name = "$this->location/$this->filename.$this->extension";
}
/**
* Save data to the cache
*
* @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property
* @return bool Successfulness
*/
public function save($data)
{
if (file_exists($this->name) && is_writeable($this->name) || file_exists($this->location) && is_writeable($this->location))
{
if ($data instanceof SimplePie)
{
$data = $data->data;
}
$data = serialize($data);
return (bool) file_put_contents($this->name, $data);
}
return false;
}
/**
* Retrieve the data saved to the cache
*
* @return array Data for SimplePie::$data
*/
public function load()
{
if (file_exists($this->name) && is_readable($this->name))
{
return unserialize(file_get_contents($this->name));
}
return false;
}
/**
* Retrieve the last modified time for the cache
*
* @return int Timestamp
*/
public function mtime()
{
if (file_exists($this->name))
{
return filemtime($this->name);
}
return false;
}
/**
* Set the last modified time to the current time
*
* @return bool Success status
*/
public function touch()
{
if (file_exists($this->name))
{
return touch($this->name);
}
return false;
}
/**
* Remove the cache
*
* @return bool Success status
*/
public function unlink()
{
if (file_exists($this->name))
{
return unlink($this->name);
}
return false;
}
}
Core.php 0000666 00000053767 15126064661 0006202 0 ustar 00 <?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Cache
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
/**
* @package Zend_Cache
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Cache_Core
{
/**
* Backend Object
*
* @var object $_backend
*/
protected $_backend = null;
/**
* Available options
*
* ====> (boolean) write_control :
* - Enable / disable write control (the cache is read just after writing to detect corrupt entries)
* - Enable write control will lightly slow the cache writing but not the cache reading
* Write control can detect some corrupt cache files but maybe it's not a perfect control
*
* ====> (boolean) caching :
* - Enable / disable caching
* (can be very useful for the debug of cached scripts)
*
* =====> (string) cache_id_prefix :
* - prefix for cache ids (namespace)
*
* ====> (boolean) automatic_serialization :
* - Enable / disable automatic serialization
* - It can be used to save directly datas which aren't strings (but it's slower)
*
* ====> (int) automatic_cleaning_factor :
* - Disable / Tune the automatic cleaning process
* - The automatic cleaning process destroy too old (for the given life time)
* cache files when a new cache file is written :
* 0 => no automatic cache cleaning
* 1 => systematic cache cleaning
* x (integer) > 1 => automatic cleaning randomly 1 times on x cache write
*
* ====> (int) lifetime :
* - Cache lifetime (in seconds)
* - If null, the cache is valid forever.
*
* ====> (boolean) logging :
* - If set to true, logging is activated (but the system is slower)
*
* ====> (boolean) ignore_user_abort
* - If set to true, the core will set the ignore_user_abort PHP flag inside the
* save() method to avoid cache corruptions in some cases (default false)
*
* @var array $_options available options
*/
protected $_options = array(
'write_control' => true,
'caching' => true,
'cache_id_prefix' => null,
'automatic_serialization' => false,
'automatic_cleaning_factor' => 10,
'lifetime' => 3600,
'logging' => false,
'logger' => null,
'ignore_user_abort' => false
);
/**
* Array of options which have to be transfered to backend
*
* @var array $_directivesList
*/
protected static $_directivesList = array('lifetime', 'logging', 'logger');
/**
* Not used for the core, just a sort a hint to get a common setOption() method (for the core and for frontends)
*
* @var array $_specificOptions
*/
protected $_specificOptions = array();
/**
* Last used cache id
*
* @var string $_lastId
*/
private $_lastId = null;
/**
* True if the backend implements Zend_Cache_Backend_ExtendedInterface
*
* @var boolean $_extendedBackend
*/
protected $_extendedBackend = false;
/**
* Array of capabilities of the backend (only if it implements Zend_Cache_Backend_ExtendedInterface)
*
* @var array
*/
protected $_backendCapabilities = array();
/**
* Constructor
*
* @param array $options Associative array of options
* @throws Zend_Cache_Exception
* @return void
*/
public function __construct(array $options = array())
{
while (list($name, $value) = each($options)) {
$this->setOption($name, $value);
}
$this->_loggerSanity();
}
/**
* Set the backend
*
* @param object $backendObject
* @throws Zend_Cache_Exception
* @return void
*/
public function setBackend(Zend_Cache_Backend $backendObject)
{
$this->_backend= $backendObject;
// some options (listed in $_directivesList) have to be given
// to the backend too (even if they are not "backend specific")
$directives = array();
foreach (Zend_Cache_Core::$_directivesList as $directive) {
$directives[$directive] = $this->_options[$directive];
}
$this->_backend->setDirectives($directives);
if (in_array('Zend_Cache_Backend_ExtendedInterface', class_implements($this->_backend))) {
$this->_extendedBackend = true;
$this->_backendCapabilities = $this->_backend->getCapabilities();
}
}
/**
* Returns the backend
*
* @return object backend object
*/
public function getBackend()
{
return $this->_backend;
}
/**
* Public frontend to set an option
*
* There is an additional validation (relatively to the protected _setOption method)
*
* @param string $name Name of the option
* @param mixed $value Value of the option
* @throws Zend_Cache_Exception
* @return void
*/
public function setOption($name, $value)
{
if (!is_string($name)) {
Zend_Cache::throwException("Incorrect option name : $name");
}
$name = strtolower($name);
if (array_key_exists($name, $this->_options)) {
// This is a Core option
$this->_setOption($name, $value);
return;
}
if (array_key_exists($name, $this->_specificOptions)) {
// This a specic option of this frontend
$this->_specificOptions[$name] = $value;
return;
}
}
/**
* Public frontend to get an option value
*
* @param string $name Name of the option
* @throws Zend_Cache_Exception
* @return mixed option value
*/
public function getOption($name)
{
if (is_string($name)) {
$name = strtolower($name);
if (array_key_exists($name, $this->_options)) {
// This is a Core option
return $this->_options[$name];
}
if (array_key_exists($name, $this->_specificOptions)) {
// This a specic option of this frontend
return $this->_specificOptions[$name];
}
}
Zend_Cache::throwException("Incorrect option name : $name");
}
/**
* Set an option
*
* @param string $name Name of the option
* @param mixed $value Value of the option
* @throws Zend_Cache_Exception
* @return void
*/
private function _setOption($name, $value)
{
if (!is_string($name) || !array_key_exists($name, $this->_options)) {
Zend_Cache::throwException("Incorrect option name : $name");
}
$this->_options[$name] = $value;
}
/**
* Force a new lifetime
*
* The new value is set for the core/frontend but for the backend too (directive)
*
* @param int $newLifetime New lifetime (in seconds)
* @return void
*/
public function setLifetime($newLifetime)
{
$this->_options['lifetime'] = $newLifetime;
$this->_backend->setDirectives(array(
'lifetime' => $newLifetime
));
}
/**
* Test if a cache is available for the given id and (if yes) return it (false else)
*
* @param string $id Cache id
* @param boolean $doNotTestCacheValidity If set to true, the cache validity won't be tested
* @param boolean $doNotUnserialize Do not serialize (even if automatic_serialization is true) => for internal use
* @return mixed|false Cached datas
*/
public function load($id, $doNotTestCacheValidity = false, $doNotUnserialize = false)
{
if (!$this->_options['caching']) {
return false;
}
$id = $this->_id($id); // cache id may need prefix
$this->_lastId = $id;
self::_validateIdOrTag($id);
$data = $this->_backend->load($id, $doNotTestCacheValidity);
if ($data===false) {
// no cache available
return false;
}
if ((!$doNotUnserialize) && $this->_options['automatic_serialization']) {
// we need to unserialize before sending the result
return unserialize($data);
}
return $data;
}
/**
* Test if a cache is available for the given id
*
* @param string $id Cache id
* @return boolean True is a cache is available, false else
*/
public function test($id)
{
if (!$this->_options['caching']) {
return false;
}
$id = $this->_id($id); // cache id may need prefix
self::_validateIdOrTag($id);
$this->_lastId = $id;
return $this->_backend->test($id);
}
/**
* Save some data in a cache
*
* @param mixed $data Data to put in cache (can be another type than string if automatic_serialization is on)
* @param string $id Cache id (if not set, the last cache id will be used)
* @param array $tags Cache tags
* @param int $specificLifetime If != false, set a specific lifetime for this cache record (null => infinite lifetime)
* @param int $priority integer between 0 (very low priority) and 10 (maximum priority) used by some particular backends
* @throws Zend_Cache_Exception
* @return boolean True if no problem
*/
public function save($data, $id = null, $tags = array(), $specificLifetime = false, $priority = 8)
{
if (!$this->_options['caching']) {
return true;
}
if (is_null($id)) {
$id = $this->_lastId;
} else {
$id = $this->_id($id);
}
self::_validateIdOrTag($id);
self::_validateTagsArray($tags);
if ($this->_options['automatic_serialization']) {
// we need to serialize datas before storing them
$data = serialize($data);
} else {
if (!is_string($data)) {
Zend_Cache::throwException("Datas must be string or set automatic_serialization = true");
}
}
// automatic cleaning
if ($this->_options['automatic_cleaning_factor'] > 0) {
$rand = rand(1, $this->_options['automatic_cleaning_factor']);
if ($rand==1) {
if ($this->_extendedBackend) {
// New way
if ($this->_backendCapabilities['automatic_cleaning']) {
$this->clean(Zend_Cache::CLEANING_MODE_OLD);
} else {
$this->_log('Zend_Cache_Core::save() / automatic cleaning is not available/necessary with this backend');
}
} else {
// Deprecated way (will be removed in next major version)
if (method_exists($this->_backend, 'isAutomaticCleaningAvailable') && ($this->_backend->isAutomaticCleaningAvailable())) {
$this->clean(Zend_Cache::CLEANING_MODE_OLD);
} else {
$this->_log('Zend_Cache_Core::save() / automatic cleaning is not available/necessary with this backend');
}
}
}
}
if ($this->_options['ignore_user_abort']) {
$abort = ignore_user_abort(true);
}
if (($this->_extendedBackend) && ($this->_backendCapabilities['priority'])) {
$result = $this->_backend->save($data, $id, $tags, $specificLifetime, $priority);
} else {
$result = $this->_backend->save($data, $id, $tags, $specificLifetime);
}
if ($this->_options['ignore_user_abort']) {
ignore_user_abort($abort);
}
if (!$result) {
// maybe the cache is corrupted, so we remove it !
if ($this->_options['logging']) {
$this->_log("Zend_Cache_Core::save() : impossible to save cache (id=$id)");
}
$this->remove($id);
return false;
}
if ($this->_options['write_control']) {
$data2 = $this->_backend->load($id, true);
if ($data!=$data2) {
$this->_log('Zend_Cache_Core::save() / write_control : written and read data do not match');
$this->_backend->remove($id);
return false;
}
}
return true;
}
/**
* Remove a cache
*
* @param string $id Cache id to remove
* @return boolean True if ok
*/
public function remove($id)
{
if (!$this->_options['caching']) {
return true;
}
$id = $this->_id($id); // cache id may need prefix
self::_validateIdOrTag($id);
return $this->_backend->remove($id);
}
/**
* Clean cache entries
*
* Available modes are :
* 'all' (default) => remove all cache entries ($tags is not used)
* 'old' => remove too old cache entries ($tags is not used)
* 'matchingTag' => remove cache entries matching all given tags
* ($tags can be an array of strings or a single string)
* 'notMatchingTag' => remove cache entries not matching one of the given tags
* ($tags can be an array of strings or a single string)
* 'matchingAnyTag' => remove cache entries matching any given tags
* ($tags can be an array of strings or a single string)
*
* @param string $mode
* @param array|string $tags
* @throws Zend_Cache_Exception
* @return boolean True if ok
*/
public function clean($mode = 'all', $tags = array())
{
if (!$this->_options['caching']) {
return true;
}
if (!in_array($mode, array(Zend_Cache::CLEANING_MODE_ALL,
Zend_Cache::CLEANING_MODE_OLD,
Zend_Cache::CLEANING_MODE_MATCHING_TAG,
Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG,
Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG))) {
Zend_Cache::throwException('Invalid cleaning mode');
}
self::_validateTagsArray($tags);
return $this->_backend->clean($mode, $tags);
}
/**
* Return an array of stored cache ids which match given tags
*
* In case of multiple tags, a logical AND is made between tags
*
* @param array $tags array of tags
* @return array array of matching cache ids (string)
*/
public function getIdsMatchingTags($tags = array())
{
if (!$this->_extendedBackend) {
Zend_Cache::throwException('Current backend doesn\'t implement the Zend_Cache_Backend_ExtendedInterface, so this method is not available');
}
if (!($this->_backendCapabilities['tags'])) {
Zend_Cache::throwException('tags are not supported by the current backend');
}
return $this->_backend->getIdsMatchingTags($tags);
}
/**
* Return an array of stored cache ids which don't match given tags
*
* In case of multiple tags, a logical OR is made between tags
*
* @param array $tags array of tags
* @return array array of not matching cache ids (string)
*/
public function getIdsNotMatchingTags($tags = array())
{
if (!$this->_extendedBackend) {
Zend_Cache::throwException('Current backend doesn\'t implement the Zend_Cache_Backend_ExtendedInterface, so this method is not available');
}
if (!($this->_backendCapabilities['tags'])) {
Zend_Cache::throwException('tags are not supported by the current backend');
}
return $this->_backend->getIdsNotMatchingTags($tags);
}
/**
* Return an array of stored cache ids
*
* @return array array of stored cache ids (string)
*/
public function getIds()
{
if (!$this->_extendedBackend) {
Zend_Cache::throwException('Current backend doesn\'t implement the Zend_Cache_Backend_ExtendedInterface, so this method is not available');
}
return $this->_backend->getIds();
}
/**
* Return an array of stored tags
*
* @return array array of stored tags (string)
*/
public function getTags()
{
if (!$this->_extendedBackend) {
Zend_Cache::throwException('Current backend doesn\'t implement the Zend_Cache_Backend_ExtendedInterface, so this method is not available');
}
if (!($this->_backendCapabilities['tags'])) {
Zend_Cache::throwException('tags are not supported by the current backend');
}
return $this->_backend->getTags();
}
/**
* Return the filling percentage of the backend storage
*
* @return int integer between 0 and 100
*/
public function getFillingPercentage()
{
if (!$this->_extendedBackend) {
Zend_Cache::throwException('Current backend doesn\'t implement the Zend_Cache_Backend_ExtendedInterface, so this method is not available');
}
return $this->_backend->getFillingPercentage();
}
/**
* Give (if possible) an extra lifetime to the given cache id
*
* @param string $id cache id
* @param int $extraLifetime
* @return boolean true if ok
*/
public function touch($id, $extraLifetime)
{
if (!$this->_extendedBackend) {
Zend_Cache::throwException('Current backend doesn\'t implement the Zend_Cache_Backend_ExtendedInterface, so this method is not available');
}
return $this->_backend->touch($id, $extraLifetime);
}
/**
* Validate a cache id or a tag (security, reliable filenames, reserved prefixes...)
*
* Throw an exception if a problem is found
*
* @param string $string Cache id or tag
* @throws Zend_Cache_Exception
* @return void
*/
private static function _validateIdOrTag($string)
{
if (!is_string($string)) {
Zend_Cache::throwException('Invalid id or tag : must be a string');
}
if (substr($string, 0, 9) == 'internal-') {
Zend_Cache::throwException('"internal-*" ids or tags are reserved');
}
if (!preg_match('~^[\w]+$~D', $string)) {
Zend_Cache::throwException("Invalid id or tag '$string' : must use only [a-zA-Z0-9_]");
}
}
/**
* Validate a tags array (security, reliable filenames, reserved prefixes...)
*
* Throw an exception if a problem is found
*
* @param array $tags Array of tags
* @throws Zend_Cache_Exception
* @return void
*/
private static function _validateTagsArray($tags)
{
if (!is_array($tags)) {
Zend_Cache::throwException('Invalid tags array : must be an array');
}
foreach($tags as $tag) {
self::_validateIdOrTag($tag);
}
reset($tags);
}
/**
* Make sure if we enable logging that the Zend_Log class
* is available.
* Create a default log object if none is set.
*
* @throws Zend_Cache_Exception
* @return void
*/
protected function _loggerSanity()
{
if (!isset($this->_options['logging']) || !$this->_options['logging']) {
return;
}
if (isset($this->_options['logger']) && $this->_options['logger'] instanceof Zend_Log) {
return;
}
// Create a default logger to the standard output stream
require_once 'Zend/Log/Writer/Stream.php';
$logger = new Zend_Log(new Zend_Log_Writer_Stream('php://output'));
$this->_options['logger'] = $logger;
}
/**
* Log a message at the WARN (4) priority.
*
* @param string $message
* @throws Zend_Cache_Exception
* @return void
*/
protected function _log($message, $priority = 4)
{
if (!$this->_options['logging']) {
return;
}
if (!(isset($this->_options['logger']) || $this->_options['logger'] instanceof Zend_Log)) {
Zend_Cache::throwException('Logging is enabled but logger is not set');
}
$logger = $this->_options['logger'];
$logger->log($message, $priority);
}
/**
* Make and return a cache id
*
* Checks 'cache_id_prefix' and returns new id with prefix or simply the id if null
*
* @param string $id Cache id
* @return string Cache id (with or without prefix)
*/
private function _id($id)
{
if (!is_null($id) && isset($this->_options['cache_id_prefix'])) {
return $this->_options['cache_id_prefix'] . $id; // return with prefix
}
return $id; // no prefix, just return the $id passed
}
}
MySQL.php 0000666 00000027770 15127334313 0006245 0 ustar 00 <?php
/**
* SimplePie
*
* A PHP-Based RSS and Atom Feed Framework.
* Takes the hard work out of managing a complete RSS/Atom solution.
*
* Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* * Neither the name of the SimplePie Team nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
* AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @package SimplePie
* @version 1.3.1
* @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
* @author Ryan Parman
* @author Geoffrey Sneddon
* @author Ryan McCue
* @link http://simplepie.org/ SimplePie
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
*/
/**
* Caches data to a MySQL database
*
* Registered for URLs with the "mysql" protocol
*
* For example, `mysql://root:password@localhost:3306/mydb?prefix=sp_` will
* connect to the `mydb` database on `localhost` on port 3306, with the user
* `root` and the password `password`. All tables will be prefixed with `sp_`
*
* @package SimplePie
* @subpackage Caching
*/
class SimplePie_Cache_MySQL extends SimplePie_Cache_DB
{
/**
* PDO instance
*
* @var PDO
*/
protected $mysql;
/**
* Options
*
* @var array
*/
protected $options;
/**
* Cache ID
*
* @var string
*/
protected $id;
/**
* Create a new cache object
*
* @param string $location Location string (from SimplePie::$cache_location)
* @param string $name Unique ID for the cache
* @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
*/
public function __construct($location, $name, $type)
{
$this->options = array(
'user' => null,
'pass' => null,
'host' => '127.0.0.1',
'port' => '3306',
'path' => '',
'extras' => array(
'prefix' => '',
),
);
$this->options = array_merge_recursive($this->options, SimplePie_Cache::parse_URL($location));
// Path is prefixed with a "/"
$this->options['dbname'] = substr($this->options['path'], 1);
try
{
$this->mysql = new PDO("mysql:dbname={$this->options['dbname']};host={$this->options['host']};port={$this->options['port']}", $this->options['user'], $this->options['pass'], array(PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8'));
}
catch (PDOException $e)
{
$this->mysql = null;
return;
}
$this->id = $name . $type;
if (!$query = $this->mysql->query('SHOW TABLES'))
{
$this->mysql = null;
return;
}
$db = array();
while ($row = $query->fetchColumn())
{
$db[] = $row;
}
if (!in_array($this->options['extras']['prefix'] . 'cache_data', $db))
{
$query = $this->mysql->exec('CREATE TABLE `' . $this->options['extras']['prefix'] . 'cache_data` (`id` TEXT CHARACTER SET utf8 NOT NULL, `items` SMALLINT NOT NULL DEFAULT 0, `data` BLOB NOT NULL, `mtime` INT UNSIGNED NOT NULL, UNIQUE (`id`(125)))');
if ($query === false)
{
$this->mysql = null;
}
}
if (!in_array($this->options['extras']['prefix'] . 'items', $db))
{
$query = $this->mysql->exec('CREATE TABLE `' . $this->options['extras']['prefix'] . 'items` (`feed_id` TEXT CHARACTER SET utf8 NOT NULL, `id` TEXT CHARACTER SET utf8 NOT NULL, `data` TEXT CHARACTER SET utf8 NOT NULL, `posted` INT UNSIGNED NOT NULL, INDEX `feed_id` (`feed_id`(125)))');
if ($query === false)
{
$this->mysql = null;
}
}
}
/**
* Save data to the cache
*
* @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property
* @return bool Successfulness
*/
public function save($data)
{
if ($this->mysql === null)
{
return false;
}
if ($data instanceof SimplePie)
{
$data = clone $data;
$prepared = self::prepare_simplepie_object_for_cache($data);
$query = $this->mysql->prepare('SELECT COUNT(*) FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :feed');
$query->bindValue(':feed', $this->id);
if ($query->execute())
{
if ($query->fetchColumn() > 0)
{
$items = count($prepared[1]);
if ($items)
{
$sql = 'UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `items` = :items, `data` = :data, `mtime` = :time WHERE `id` = :feed';
$query = $this->mysql->prepare($sql);
$query->bindValue(':items', $items);
}
else
{
$sql = 'UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `data` = :data, `mtime` = :time WHERE `id` = :feed';
$query = $this->mysql->prepare($sql);
}
$query->bindValue(':data', $prepared[0]);
$query->bindValue(':time', time());
$query->bindValue(':feed', $this->id);
if (!$query->execute())
{
return false;
}
}
else
{
$query = $this->mysql->prepare('INSERT INTO `' . $this->options['extras']['prefix'] . 'cache_data` (`id`, `items`, `data`, `mtime`) VALUES(:feed, :count, :data, :time)');
$query->bindValue(':feed', $this->id);
$query->bindValue(':count', count($prepared[1]));
$query->bindValue(':data', $prepared[0]);
$query->bindValue(':time', time());
if (!$query->execute())
{
return false;
}
}
$ids = array_keys($prepared[1]);
if (!empty($ids))
{
foreach ($ids as $id)
{
$database_ids[] = $this->mysql->quote($id);
}
$query = $this->mysql->prepare('SELECT `id` FROM `' . $this->options['extras']['prefix'] . 'items` WHERE `id` = ' . implode(' OR `id` = ', $database_ids) . ' AND `feed_id` = :feed');
$query->bindValue(':feed', $this->id);
if ($query->execute())
{
$existing_ids = array();
while ($row = $query->fetchColumn())
{
$existing_ids[] = $row;
}
$new_ids = array_diff($ids, $existing_ids);
foreach ($new_ids as $new_id)
{
if (!($date = $prepared[1][$new_id]->get_date('U')))
{
$date = time();
}
$query = $this->mysql->prepare('INSERT INTO `' . $this->options['extras']['prefix'] . 'items` (`feed_id`, `id`, `data`, `posted`) VALUES(:feed, :id, :data, :date)');
$query->bindValue(':feed', $this->id);
$query->bindValue(':id', $new_id);
$query->bindValue(':data', serialize($prepared[1][$new_id]->data));
$query->bindValue(':date', $date);
if (!$query->execute())
{
return false;
}
}
return true;
}
}
else
{
return true;
}
}
}
else
{
$query = $this->mysql->prepare('SELECT `id` FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :feed');
$query->bindValue(':feed', $this->id);
if ($query->execute())
{
if ($query->rowCount() > 0)
{
$query = $this->mysql->prepare('UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `items` = 0, `data` = :data, `mtime` = :time WHERE `id` = :feed');
$query->bindValue(':data', serialize($data));
$query->bindValue(':time', time());
$query->bindValue(':feed', $this->id);
if ($this->execute())
{
return true;
}
}
else
{
$query = $this->mysql->prepare('INSERT INTO `' . $this->options['extras']['prefix'] . 'cache_data` (`id`, `items`, `data`, `mtime`) VALUES(:id, 0, :data, :time)');
$query->bindValue(':id', $this->id);
$query->bindValue(':data', serialize($data));
$query->bindValue(':time', time());
if ($query->execute())
{
return true;
}
}
}
}
return false;
}
/**
* Retrieve the data saved to the cache
*
* @return array Data for SimplePie::$data
*/
public function load()
{
if ($this->mysql === null)
{
return false;
}
$query = $this->mysql->prepare('SELECT `items`, `data` FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :id');
$query->bindValue(':id', $this->id);
if ($query->execute() && ($row = $query->fetch()))
{
$data = unserialize($row[1]);
if (isset($this->options['items'][0]))
{
$items = (int) $this->options['items'][0];
}
else
{
$items = (int) $row[0];
}
if ($items !== 0)
{
if (isset($data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]))
{
$feed =& $data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0];
}
elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]))
{
$feed =& $data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0];
}
elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]))
{
$feed =& $data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0];
}
elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]))
{
$feed =& $data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0];
}
else
{
$feed = null;
}
if ($feed !== null)
{
$sql = 'SELECT `data` FROM `' . $this->options['extras']['prefix'] . 'items` WHERE `feed_id` = :feed ORDER BY `posted` DESC';
if ($items > 0)
{
$sql .= ' LIMIT ' . $items;
}
$query = $this->mysql->prepare($sql);
$query->bindValue(':feed', $this->id);
if ($query->execute())
{
while ($row = $query->fetchColumn())
{
$feed['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry'][] = unserialize($row);
}
}
else
{
return false;
}
}
}
return $data;
}
return false;
}
/**
* Retrieve the last modified time for the cache
*
* @return int Timestamp
*/
public function mtime()
{
if ($this->mysql === null)
{
return false;
}
$query = $this->mysql->prepare('SELECT `mtime` FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :id');
$query->bindValue(':id', $this->id);
if ($query->execute() && ($time = $query->fetchColumn()))
{
return $time;
}
else
{
return false;
}
}
/**
* Set the last modified time to the current time
*
* @return bool Success status
*/
public function touch()
{
if ($this->mysql === null)
{
return false;
}
$query = $this->mysql->prepare('UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `mtime` = :time WHERE `id` = :id');
$query->bindValue(':time', time());
$query->bindValue(':id', $this->id);
if ($query->execute() && $query->rowCount() > 0)
{
return true;
}
else
{
return false;
}
}
/**
* Remove the cache
*
* @return bool Success status
*/
public function unlink()
{
if ($this->mysql === null)
{
return false;
}
$query = $this->mysql->prepare('DELETE FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :id');
$query->bindValue(':id', $this->id);
$query2 = $this->mysql->prepare('DELETE FROM `' . $this->options['extras']['prefix'] . 'items` WHERE `feed_id` = :id');
$query2->bindValue(':id', $this->id);
if ($query->execute() && $query2->execute())
{
return true;
}
else
{
return false;
}
}
}
Memcache.php 0000666 00000012025 15127334313 0006765 0 ustar 00 <?php
/**
* SimplePie
*
* A PHP-Based RSS and Atom Feed Framework.
* Takes the hard work out of managing a complete RSS/Atom solution.
*
* Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* * Neither the name of the SimplePie Team nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
* AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @package SimplePie
* @version 1.3.1
* @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
* @author Ryan Parman
* @author Geoffrey Sneddon
* @author Ryan McCue
* @link http://simplepie.org/ SimplePie
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
*/
/**
* Caches data to memcache
*
* Registered for URLs with the "memcache" protocol
*
* For example, `memcache://localhost:11211/?timeout=3600&prefix=sp_` will
* connect to memcache on `localhost` on port 11211. All tables will be
* prefixed with `sp_` and data will expire after 3600 seconds
*
* @package SimplePie
* @subpackage Caching
* @uses Memcache
*/
class SimplePie_Cache_Memcache implements SimplePie_Cache_Base
{
/**
* Memcache instance
*
* @var Memcache
*/
protected $cache;
/**
* Options
*
* @var array
*/
protected $options;
/**
* Cache name
*
* @var string
*/
protected $name;
/**
* Create a new cache object
*
* @param string $location Location string (from SimplePie::$cache_location)
* @param string $name Unique ID for the cache
* @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
*/
public function __construct($location, $name, $type)
{
$this->options = array(
'host' => '127.0.0.1',
'port' => 11211,
'extras' => array(
'timeout' => 3600, // one hour
'prefix' => 'simplepie_',
),
);
$parsed = SimplePie_Cache::parse_URL($location);
$this->options['host'] = empty($parsed['host']) ? $this->options['host'] : $parsed['host'];
$this->options['port'] = empty($parsed['port']) ? $this->options['port'] : $parsed['port'];
$this->options['extras'] = array_merge($this->options['extras'], $parsed['extras']);
$this->name = $this->options['extras']['prefix'] . md5("$name:$type");
$this->cache = new Memcache();
$this->cache->addServer($this->options['host'], (int) $this->options['port']);
}
/**
* Save data to the cache
*
* @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property
* @return bool Successfulness
*/
public function save($data)
{
if ($data instanceof SimplePie)
{
$data = $data->data;
}
return $this->cache->set($this->name, serialize($data), MEMCACHE_COMPRESSED, (int) $this->options['extras']['timeout']);
}
/**
* Retrieve the data saved to the cache
*
* @return array Data for SimplePie::$data
*/
public function load()
{
$data = $this->cache->get($this->name);
if ($data !== false)
{
return unserialize($data);
}
return false;
}
/**
* Retrieve the last modified time for the cache
*
* @return int Timestamp
*/
public function mtime()
{
$data = $this->cache->get($this->name);
if ($data !== false)
{
// essentially ignore the mtime because Memcache expires on it's own
return time();
}
return false;
}
/**
* Set the last modified time to the current time
*
* @return bool Success status
*/
public function touch()
{
$data = $this->cache->get($this->name);
if ($data !== false)
{
return $this->cache->set($this->name, $data, MEMCACHE_COMPRESSED, (int) $this->duration);
}
return false;
}
/**
* Remove the cache
*
* @return bool Success status
*/
public function unlink()
{
return $this->cache->delete($this->name, 0);
}
}
Base.php 0000666 00000006574 15127334313 0006151 0 ustar 00 <?php
/**
* SimplePie
*
* A PHP-Based RSS and Atom Feed Framework.
* Takes the hard work out of managing a complete RSS/Atom solution.
*
* Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* * Neither the name of the SimplePie Team nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
* AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @package SimplePie
* @version 1.3.1
* @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
* @author Ryan Parman
* @author Geoffrey Sneddon
* @author Ryan McCue
* @link http://simplepie.org/ SimplePie
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
*/
/**
* Base for cache objects
*
* Classes to be used with {@see SimplePie_Cache::register()} are expected
* to implement this interface.
*
* @package SimplePie
* @subpackage Caching
*/
interface SimplePie_Cache_Base
{
/**
* Feed cache type
*
* @var string
*/
const TYPE_FEED = 'spc';
/**
* Image cache type
*
* @var string
*/
const TYPE_IMAGE = 'spi';
/**
* Create a new cache object
*
* @param string $location Location string (from SimplePie::$cache_location)
* @param string $name Unique ID for the cache
* @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data
*/
public function __construct($location, $name, $type);
/**
* Save data to the cache
*
* @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property
* @return bool Successfulness
*/
public function save($data);
/**
* Retrieve the data saved to the cache
*
* @return array Data for SimplePie::$data
*/
public function load();
/**
* Retrieve the last modified time for the cache
*
* @return int Timestamp
*/
public function mtime();
/**
* Set the last modified time to the current time
*
* @return bool Success status
*/
public function touch();
/**
* Remove the cache
*
* @return bool Success status
*/
public function unlink();
}
DB.php 0000666 00000011166 15127334313 0005555 0 ustar 00 <?php
/**
* SimplePie
*
* A PHP-Based RSS and Atom Feed Framework.
* Takes the hard work out of managing a complete RSS/Atom solution.
*
* Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* * Neither the name of the SimplePie Team nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
* AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @package SimplePie
* @version 1.3.1
* @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
* @author Ryan Parman
* @author Geoffrey Sneddon
* @author Ryan McCue
* @link http://simplepie.org/ SimplePie
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
*/
/**
* Base class for database-based caches
*
* @package SimplePie
* @subpackage Caching
*/
abstract class SimplePie_Cache_DB implements SimplePie_Cache_Base
{
/**
* Helper for database conversion
*
* Converts a given {@see SimplePie} object into data to be stored
*
* @param SimplePie $data
* @return array First item is the serialized data for storage, second item is the unique ID for this item
*/
protected static function prepare_simplepie_object_for_cache($data)
{
$items = $data->get_items();
$items_by_id = array();
if (!empty($items))
{
foreach ($items as $item)
{
$items_by_id[$item->get_id()] = $item;
}
if (count($items_by_id) !== count($items))
{
$items_by_id = array();
foreach ($items as $item)
{
$items_by_id[$item->get_id(true)] = $item;
}
}
if (isset($data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]))
{
$channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0];
}
elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]))
{
$channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0];
}
elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]))
{
$channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0];
}
elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['channel'][0]))
{
$channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['channel'][0];
}
else
{
$channel = null;
}
if ($channel !== null)
{
if (isset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry']))
{
unset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry']);
}
if (isset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['entry']))
{
unset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['entry']);
}
if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item']))
{
unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item']);
}
if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item']))
{
unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item']);
}
if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_20]['item']))
{
unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_20]['item']);
}
}
if (isset($data->data['items']))
{
unset($data->data['items']);
}
if (isset($data->data['ordered_items']))
{
unset($data->data['ordered_items']);
}
}
return array(serialize($data->data), $items_by_id);
}
}