Файловый менеджер

Файловый менеджер - Редактировать - /usr/share/php/Symfony/Component/Cache/Traits/PdoTrait.php

Назад
<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. / namespace Symfony\Component\Cache\Traits; use Doctrine\DBAL\Connection; use Doctrine\DBAL\DBALException; use Doctrine\DBAL\Driver\ServerInfoAwareConnection; use Doctrine\DBAL\Exception\TableNotFoundException; use Doctrine\DBAL\Schema\Schema; use Symfony\Component\Cache\Exception\InvalidArgumentException; use Symfony\Component\Cache\Marshaller\DefaultMarshaller; use Symfony\Component\Cache\Marshaller\MarshallerInterface; /* * @internal / trait PdoTrait { private $marshaller; private $conn; private $dsn; private $driver; private $serverVersion; private $table = 'cache_items'; private $idCol = 'item_id'; private $dataCol = 'item_data'; private $lifetimeCol = 'item_lifetime'; private $timeCol = 'item_time'; private $username = ''; private $password = ''; private $connectionOptions = []; private $namespace; private function init($connOrDsn, $namespace, $defaultLifetime, array $options, ?MarshallerInterface $marshaller) { if (isset($namespace[0]) && preg_match('#[^-+.A-Za-z0-9]#', $namespace, $match)) { throw new InvalidArgumentException(sprintf('Namespace contains "%s" but only characters in [-+.A-Za-z0-9] are allowed.', $match[0])); } if ($connOrDsn instanceof \PDO) { if (\PDO::ERRMODE_EXCEPTION !== $connOrDsn->getAttribute(\PDO::ATTR_ERRMODE)) { throw new InvalidArgumentException(sprintf('"%s" requires PDO error mode attribute be set to throw Exceptions (i.e. $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION))', __CLASS__)); } $this->conn = $connOrDsn; } elseif ($connOrDsn instanceof Connection) { $this->conn = $connOrDsn; } elseif (\is_string($connOrDsn)) { $this->dsn = $connOrDsn; } else { throw new InvalidArgumentException(sprintf('"%s" requires PDO or Doctrine\DBAL\Connection instance or DSN string as first argument, "%s" given.', __CLASS__, \is_object($connOrDsn) ? \get_class($connOrDsn) : \gettype($connOrDsn))); } $this->table = isset($options['db_table']) ? $options['db_table'] : $this->table; $this->idCol = isset($options['db_id_col']) ? $options['db_id_col'] : $this->idCol; $this->dataCol = isset($options['db_data_col']) ? $options['db_data_col'] : $this->dataCol; $this->lifetimeCol = isset($options['db_lifetime_col']) ? $options['db_lifetime_col'] : $this->lifetimeCol; $this->timeCol = isset($options['db_time_col']) ? $options['db_time_col'] : $this->timeCol; $this->username = isset($options['db_username']) ? $options['db_username'] : $this->username; $this->password = isset($options['db_password']) ? $options['db_password'] : $this->password; $this->connectionOptions = isset($options['db_connection_options']) ? $options['db_connection_options'] : $this->connectionOptions; $this->namespace = $namespace; $this->marshaller = $marshaller ?? new DefaultMarshaller(); parent::__construct($namespace, $defaultLifetime); } /* * Creates the table to store cache items which can be called once for setup. * * Cache ID are saved in a column of maximum length 255. Cache data is * saved in a BLOB. * * @throws \PDOException When the table already exists * @throws DBALException When the table already exists * @throws \DomainException When an unsupported PDO driver is used / public function createTable() { // connect if we are not yet $conn = $this->getConnection(); if ($conn instanceof Connection) { $types = [ 'mysql' => 'binary', 'sqlite' => 'text', 'pgsql' => 'string', 'oci' => 'string', 'sqlsrv' => 'string', ]; if (!isset($types[$this->driver])) { throw new \DomainException(sprintf('Creating the cache table is currently not implemented for PDO driver "%s".', $this->driver)); } $schema = new Schema(); $table = $schema->createTable($this->table); $table->addColumn($this->idCol, $types[$this->driver], ['length' => 255]); $table->addColumn($this->dataCol, 'blob', ['length' => 16777215]); $table->addColumn($this->lifetimeCol, 'integer', ['unsigned' => true, 'notnull' => false]); $table->addColumn($this->timeCol, 'integer', ['unsigned' => true]); $table->setPrimaryKey([$this->idCol]); foreach ($schema->toSql($conn->getDatabasePlatform()) as $sql) { $conn->exec($sql); } return; } switch ($this->driver) { case 'mysql': // We use varbinary for the ID column because it prevents unwanted conversions: // - character set conversions between server and client // - trailing space removal // - case-insensitivity // - language processing like é == e $sql = "CREATE TABLE $this->table ($this->idCol VARBINARY(255) NOT NULL PRIMARY KEY, $this->dataCol MEDIUMBLOB NOT NULL, $this->lifetimeCol INTEGER UNSIGNED, $this->timeCol INTEGER UNSIGNED NOT NULL) COLLATE utf8_bin, ENGINE = InnoDB"; break; case 'sqlite': $sql = "CREATE TABLE $this->table ($this->idCol TEXT NOT NULL PRIMARY KEY, $this->dataCol BLOB NOT NULL, $this->lifetimeCol INTEGER, $this->timeCol INTEGER NOT NULL)"; break; case 'pgsql': $sql = "CREATE TABLE $this->table ($this->idCol VARCHAR(255) NOT NULL PRIMARY KEY, $this->dataCol BYTEA NOT NULL, $this->lifetimeCol INTEGER, $this->timeCol INTEGER NOT NULL)"; break; case 'oci': $sql = "CREATE TABLE $this->table ($this->idCol VARCHAR2(255) NOT NULL PRIMARY KEY, $this->dataCol BLOB NOT NULL, $this->lifetimeCol INTEGER, $this->timeCol INTEGER NOT NULL)"; break; case 'sqlsrv': $sql = "CREATE TABLE $this->table ($this->idCol VARCHAR(255) NOT NULL PRIMARY KEY, $this->dataCol VARBINARY(MAX) NOT NULL, $this->lifetimeCol INTEGER, $this->timeCol INTEGER NOT NULL)"; break; default: throw new \DomainException(sprintf('Creating the cache table is currently not implemented for PDO driver "%s".', $this->driver)); } $conn->exec($sql); } /* * {@inheritdoc} / public function prune() { $deleteSql = "DELETE FROM $this->table WHERE $this->lifetimeCol + $this->timeCol <= :time"; if ('' !== $this->namespace) { $deleteSql .= " AND $this->idCol LIKE :namespace"; } try { $delete = $this->getConnection()->prepare($deleteSql); } catch (TableNotFoundException $e) { return true; } $delete->bindValue(':time', time(), \PDO::PARAM_INT); if ('' !== $this->namespace) { $delete->bindValue(':namespace', sprintf('%s%%', $this->namespace), \PDO::PARAM_STR); } try { return $delete->execute(); } catch (TableNotFoundException $e) { return true; } } /* * {@inheritdoc} / protected function doFetch(array $ids) { $now = time(); $expired = []; $sql = str_pad('', (\count($ids) << 1) - 1, '?,'); $sql = "SELECT $this->idCol, CASE WHEN $this->lifetimeCol IS NULL OR $this->lifetimeCol + $this->timeCol > ? THEN $this->dataCol ELSE NULL END FROM $this->table WHERE $this->idCol IN ($sql)"; $stmt = $this->getConnection()->prepare($sql); $stmt->bindValue($i = 1, $now, \PDO::PARAM_INT); foreach ($ids as $id) { $stmt->bindValue(++$i, $id); } $stmt->execute(); while ($row = $stmt->fetch(\PDO::FETCH_NUM)) { if (null === $row[1]) { $expired[] = $row[0]; } else { yield $row[0] => $this->marshaller->unmarshall(\is_resource($row[1]) ? stream_get_contents($row[1]) : $row[1]); } } if ($expired) { $sql = str_pad('', (\count($expired) << 1) - 1, '?,'); $sql = "DELETE FROM $this->table WHERE $this->lifetimeCol + $this->timeCol <= ? AND $this->idCol IN ($sql)"; $stmt = $this->getConnection()->prepare($sql); $stmt->bindValue($i = 1, $now, \PDO::PARAM_INT); foreach ($expired as $id) { $stmt->bindValue(++$i, $id); } $stmt->execute(); } } /* * {@inheritdoc} / protected function doHave($id) { $sql = "SELECT 1 FROM $this->table WHERE $this->idCol = :id AND ($this->lifetimeCol IS NULL OR $this->lifetimeCol + $this->timeCol > :time)"; $stmt = $this->getConnection()->prepare($sql); $stmt->bindValue(':id', $id); $stmt->bindValue(':time', time(), \PDO::PARAM_INT); $stmt->execute(); return (bool) $stmt->fetchColumn(); } /* * {@inheritdoc} / protected function doClear($namespace) { $conn = $this->getConnection(); if ('' === $namespace) { if ('sqlite' === $this->driver) { $sql = "DELETE FROM $this->table"; } else { $sql = "TRUNCATE TABLE $this->table"; } } else { $sql = "DELETE FROM $this->table WHERE $this->idCol LIKE '$namespace%'"; } try { $conn->exec($sql); } catch (TableNotFoundException $e) { } return true; } /* * {@inheritdoc} / protected function doDelete(array $ids) { $sql = str_pad('', (\count($ids) << 1) - 1, '?,'); $sql = "DELETE FROM $this->table WHERE $this->idCol IN ($sql)"; try { $stmt = $this->getConnection()->prepare($sql); $stmt->execute(array_values($ids)); } catch (TableNotFoundException $e) { } return true; } /* * {@inheritdoc} / protected function doSave(array $values, $lifetime) { if (!$values = $this->marshaller->marshall($values, $failed)) { return $failed; } $conn = $this->getConnection(); $driver = $this->driver; $insertSql = "INSERT INTO $this->table ($this->idCol, $this->dataCol, $this->lifetimeCol, $this->timeCol) VALUES (:id, :data, :lifetime, :time)"; switch (true) { case 'mysql' === $driver: $sql = $insertSql." ON DUPLICATE KEY UPDATE $this->dataCol = VALUES($this->dataCol), $this->lifetimeCol = VALUES($this->lifetimeCol), $this->timeCol = VALUES($this->timeCol)"; break; case 'oci' === $driver: // DUAL is Oracle specific dummy table $sql = "MERGE INTO $this->table USING DUAL ON ($this->idCol = ?) ". "WHEN NOT MATCHED THEN INSERT ($this->idCol, $this->dataCol, $this->lifetimeCol, $this->timeCol) VALUES (?, ?, ?, ?) ". "WHEN MATCHED THEN UPDATE SET $this->dataCol = ?, $this->lifetimeCol = ?, $this->timeCol = ?"; break; case 'sqlsrv' === $driver && version_compare($this->getServerVersion(), '10', '>='): // MERGE is only available since SQL Server 2008 and must be terminated by semicolon // It also requires HOLDLOCK according to http://weblogs.sqlteam.com/dang/archive/2009/01/31/UPSERT-Race-Condition-With-MERGE.aspx $sql = "MERGE INTO $this->table WITH (HOLDLOCK) USING (SELECT 1 AS dummy) AS src ON ($this->idCol = ?) ". "WHEN NOT MATCHED THEN INSERT ($this->idCol, $this->dataCol, $this->lifetimeCol, $this->timeCol) VALUES (?, ?, ?, ?) ". "WHEN MATCHED THEN UPDATE SET $this->dataCol = ?, $this->lifetimeCol = ?, $this->timeCol = ?;"; break; case 'sqlite' === $driver: $sql = 'INSERT OR REPLACE'.substr($insertSql, 6); break; case 'pgsql' === $driver && version_compare($this->getServerVersion(), '9.5', '>='): $sql = $insertSql." ON CONFLICT ($this->idCol) DO UPDATE SET ($this->dataCol, $this->lifetimeCol, $this->timeCol) = (EXCLUDED.$this->dataCol, EXCLUDED.$this->lifetimeCol, EXCLUDED.$this->timeCol)"; break; default: $driver = null; $sql = "UPDATE $this->table SET $this->dataCol = :data, $this->lifetimeCol = :lifetime, $this->timeCol = :time WHERE $this->idCol = :id"; break; } $now = time(); $lifetime = $lifetime ?: null; try { $stmt = $conn->prepare($sql); } catch (TableNotFoundException $e) { if (!$conn->isTransactionActive() \|\| \in_array($this->driver, ['pgsql', 'sqlite', 'sqlsrv'], true)) { $this->createTable(); } $stmt = $conn->prepare($sql); } if ('sqlsrv' === $driver \|\| 'oci' === $driver) { $stmt->bindParam(1, $id); $stmt->bindParam(2, $id); $stmt->bindParam(3, $data, \PDO::PARAM_LOB); $stmt->bindValue(4, $lifetime, \PDO::PARAM_INT); $stmt->bindValue(5, $now, \PDO::PARAM_INT); $stmt->bindParam(6, $data, \PDO::PARAM_LOB); $stmt->bindValue(7, $lifetime, \PDO::PARAM_INT); $stmt->bindValue(8, $now, \PDO::PARAM_INT); } else { $stmt->bindParam(':id', $id); $stmt->bindParam(':data', $data, \PDO::PARAM_LOB); $stmt->bindValue(':lifetime', $lifetime, \PDO::PARAM_INT); $stmt->bindValue(':time', $now, \PDO::PARAM_INT); } if (null === $driver) { $insertStmt = $conn->prepare($insertSql); $insertStmt->bindParam(':id', $id); $insertStmt->bindParam(':data', $data, \PDO::PARAM_LOB); $insertStmt->bindValue(':lifetime', $lifetime, \PDO::PARAM_INT); $insertStmt->bindValue(':time', $now, \PDO::PARAM_INT); } foreach ($values as $id => $data) { try { $stmt->execute(); } catch (TableNotFoundException $e) { if (!$conn->isTransactionActive() \|\| \in_array($this->driver, ['pgsql', 'sqlite', 'sqlsrv'], true)) { $this->createTable(); } $stmt->execute(); } if (null === $driver && !$stmt->rowCount()) { try { $insertStmt->execute(); } catch (DBALException $e) { } catch (\PDOException $e) { // A concurrent write won, let it be } } } return $failed; } /* * @return \PDO\|Connection / private function getConnection() { if (null === $this->conn) { $this->conn = new \PDO($this->dsn, $this->username, $this->password, $this->connectionOptions); $this->conn->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION); } if (null === $this->driver) { if ($this->conn instanceof \PDO) { $this->driver = $this->conn->getAttribute(\PDO::ATTR_DRIVER_NAME); } else { switch ($this->driver = $this->conn->getDriver()->getName()) { case 'mysqli': case 'pdo_mysql': case 'drizzle_pdo_mysql': $this->driver = 'mysql'; break; case 'pdo_sqlite': $this->driver = 'sqlite'; break; case 'pdo_pgsql': $this->driver = 'pgsql'; break; case 'oci8': case 'pdo_oracle': $this->driver = 'oci'; break; case 'pdo_sqlsrv': $this->driver = 'sqlsrv'; break; } } } return $this->conn; } /* * @return string */ private function getServerVersion() { if (null === $this->serverVersion) { $conn = $this->conn instanceof \PDO ? $this->conn : $this->conn->getWrappedConnection(); if ($conn instanceof \PDO) { $this->serverVersion = $conn->getAttribute(\PDO::ATTR_SERVER_VERSION); } elseif ($conn instanceof ServerInfoAwareConnection) { $this->serverVersion = $conn->getServerVersion(); } else { $this->serverVersion = '0'; } } return $this->serverVersion; } }

| ver. 1.4 | Github | . | PHP 7.4.3-4ubuntu2.24 | Генерация страницы: 0 | proxy | phpinfo | Настройка