mirror of
https://github.com/WordPress/WordPress.git
synced 2024-07-24 04:45:52 +02:00
405a995659
Uses individual files for each class. We now conditionally load only the pieces we need, resulting in less memory usage. Also easier to maintain now that it is not a single 387KB file. fixes #21183. git-svn-id: http://core.svn.wordpress.org/trunk@21644 1a063a9b-81f0-0310-95a4-ce76da25c4cd
439 lines
12 KiB
PHP
Executable File
439 lines
12 KiB
PHP
Executable File
<?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
|
|
* @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;
|
|
}
|
|
}
|
|
}
|