diff options
Diffstat (limited to 'vendor/simplepie/simplepie/library/SimplePie/Cache/MySQL.php')
-rw-r--r-- | vendor/simplepie/simplepie/library/SimplePie/Cache/MySQL.php | 405 |
1 files changed, 9 insertions, 396 deletions
diff --git a/vendor/simplepie/simplepie/library/SimplePie/Cache/MySQL.php b/vendor/simplepie/simplepie/library/SimplePie/Cache/MySQL.php index d21e2b6e4..c3b9d4f86 100644 --- a/vendor/simplepie/simplepie/library/SimplePie/Cache/MySQL.php +++ b/vendor/simplepie/simplepie/library/SimplePie/Cache/MySQL.php @@ -5,7 +5,7 @@ * 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 + * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are @@ -41,402 +41,15 @@ * @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' => '', - 'cache_purge_time' => 2592000 - ), - ); - - $this->options = SimplePie_Misc::array_merge_recursive($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) - { - trigger_error("Can't create " . $this->options['extras']['prefix'] . "cache_data table, check permissions", E_USER_WARNING); - $this->mysql = null; - return; - } - } - - if (!in_array($this->options['extras']['prefix'] . 'items', $db)) - { - $query = $this->mysql->exec('CREATE TABLE `' . $this->options['extras']['prefix'] . 'items` (`feed_id` TEXT CHARACTER SET utf8 NOT NULL, `id` TEXT CHARACTER SET utf8 NOT NULL, `data` MEDIUMBLOB NOT NULL, `posted` INT UNSIGNED NOT NULL, INDEX `feed_id` (`feed_id`(125)))'); - if ($query === false) - { - trigger_error("Can't create " . $this->options['extras']['prefix'] . "items table, check permissions", E_USER_WARNING); - $this->mysql = null; - return; - } - } - } - - /** - * 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; - } - - $query = $this->mysql->prepare('DELETE i, cd FROM `' . $this->options['extras']['prefix'] . 'cache_data` cd, ' . - '`' . $this->options['extras']['prefix'] . 'items` i ' . - 'WHERE cd.id = i.feed_id ' . - 'AND cd.mtime < (unix_timestamp() - :purge_time)'); - $query->bindValue(':purge_time', $this->options['extras']['cache_purge_time']); - - if (!$query->execute()) - { - return false; - } - - if ($data instanceof SimplePie) - { - $data = clone $data; - - $prepared = self::prepare_simplepie_object_for_cache($data); +use SimplePie\Cache\MySQL; - $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); - } +class_exists('SimplePie\Cache\MySQL'); - $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; - } - } +// @trigger_error(sprintf('Using the "SimplePie_Cache_MySQL" class is deprecated since SimplePie 1.7, use "SimplePie\Cache\MySQL" instead.'), \E_USER_DEPRECATED); - $ids = array_keys($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', $this->id); - if ($query->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 $time; - } - - return false; - } - - /** - * Set the last modified time to the current time - * - * @return bool Success status - */ - public function touch() - { - if ($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); - - return $query->execute() && $query->rowCount() > 0; - } - - /** - * Remove the cache - * - * @return bool Success status - */ - public function unlink() - { - if ($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); - - return $query->execute() && $query2->execute(); - } +if (\false) { + /** @deprecated since SimplePie 1.7, use "SimplePie\Cache\MySQL" instead */ + class SimplePie_Cache_MySQL extends MySQL + { + } } - -class_alias('SimplePie_Cache_MySQL', 'SimplePie\Cache\MySQL', false); |