Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663
This commit is contained in:
Greg Anderson
parent
eb34d130a8
commit
f32e58e4b1
8476 changed files with 211648 additions and 170042 deletions
271
vendor/symfony/http-foundation/Session/Storage/Handler/LegacyPdoSessionHandler.php
vendored
Normal file
271
vendor/symfony/http-foundation/Session/Storage/Handler/LegacyPdoSessionHandler.php
vendored
Normal file
|
|
@ -0,0 +1,271 @@
|
|||
<?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\HttpFoundation\Session\Storage\Handler;
|
||||
|
||||
@trigger_error('The '.__NAMESPACE__.'\LegacyPdoSessionHandler class is deprecated since version 2.6 and will be removed in 3.0. Use the Symfony\Component\HttpFoundation\Session\Storage\Handler\PdoSessionHandler class instead.', E_USER_DEPRECATED);
|
||||
|
||||
/**
|
||||
* Session handler using a PDO connection to read and write data.
|
||||
*
|
||||
* Session data is a binary string that can contain non-printable characters like the null byte.
|
||||
* For this reason this handler base64 encodes the data to be able to save it in a character column.
|
||||
*
|
||||
* This version of the PdoSessionHandler does NOT implement locking. So concurrent requests to the
|
||||
* same session can result in data loss due to race conditions.
|
||||
*
|
||||
* @author Fabien Potencier <fabien@symfony.com>
|
||||
* @author Michael Williams <michael.williams@funsational.com>
|
||||
* @author Tobias Schultze <http://tobion.de>
|
||||
*
|
||||
* @deprecated since version 2.6, to be removed in 3.0. Use
|
||||
* {@link PdoSessionHandler} instead.
|
||||
*/
|
||||
class LegacyPdoSessionHandler implements \SessionHandlerInterface
|
||||
{
|
||||
/**
|
||||
* @var \PDO PDO instance
|
||||
*/
|
||||
private $pdo;
|
||||
|
||||
/**
|
||||
* @var string Table name
|
||||
*/
|
||||
private $table;
|
||||
|
||||
/**
|
||||
* @var string Column for session id
|
||||
*/
|
||||
private $idCol;
|
||||
|
||||
/**
|
||||
* @var string Column for session data
|
||||
*/
|
||||
private $dataCol;
|
||||
|
||||
/**
|
||||
* @var string Column for timestamp
|
||||
*/
|
||||
private $timeCol;
|
||||
|
||||
/**
|
||||
* Constructor.
|
||||
*
|
||||
* List of available options:
|
||||
* * db_table: The name of the table [required]
|
||||
* * db_id_col: The column where to store the session id [default: sess_id]
|
||||
* * db_data_col: The column where to store the session data [default: sess_data]
|
||||
* * db_time_col: The column where to store the timestamp [default: sess_time]
|
||||
*
|
||||
* @param \PDO $pdo A \PDO instance
|
||||
* @param array $dbOptions An associative array of DB options
|
||||
*
|
||||
* @throws \InvalidArgumentException When "db_table" option is not provided
|
||||
*/
|
||||
public function __construct(\PDO $pdo, array $dbOptions = array())
|
||||
{
|
||||
if (!array_key_exists('db_table', $dbOptions)) {
|
||||
throw new \InvalidArgumentException('You must provide the "db_table" option for a PdoSessionStorage.');
|
||||
}
|
||||
if (\PDO::ERRMODE_EXCEPTION !== $pdo->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->pdo = $pdo;
|
||||
$dbOptions = array_merge(array(
|
||||
'db_id_col' => 'sess_id',
|
||||
'db_data_col' => 'sess_data',
|
||||
'db_time_col' => 'sess_time',
|
||||
), $dbOptions);
|
||||
|
||||
$this->table = $dbOptions['db_table'];
|
||||
$this->idCol = $dbOptions['db_id_col'];
|
||||
$this->dataCol = $dbOptions['db_data_col'];
|
||||
$this->timeCol = $dbOptions['db_time_col'];
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*/
|
||||
public function open($savePath, $sessionName)
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*/
|
||||
public function close()
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*/
|
||||
public function destroy($sessionId)
|
||||
{
|
||||
// delete the record associated with this id
|
||||
$sql = "DELETE FROM $this->table WHERE $this->idCol = :id";
|
||||
|
||||
try {
|
||||
$stmt = $this->pdo->prepare($sql);
|
||||
$stmt->bindParam(':id', $sessionId, \PDO::PARAM_STR);
|
||||
$stmt->execute();
|
||||
} catch (\PDOException $e) {
|
||||
throw new \RuntimeException(sprintf('PDOException was thrown when trying to delete a session: %s', $e->getMessage()), 0, $e);
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*/
|
||||
public function gc($maxlifetime)
|
||||
{
|
||||
// delete the session records that have expired
|
||||
$sql = "DELETE FROM $this->table WHERE $this->timeCol < :time";
|
||||
|
||||
try {
|
||||
$stmt = $this->pdo->prepare($sql);
|
||||
$stmt->bindValue(':time', time() - $maxlifetime, \PDO::PARAM_INT);
|
||||
$stmt->execute();
|
||||
} catch (\PDOException $e) {
|
||||
throw new \RuntimeException(sprintf('PDOException was thrown when trying to delete expired sessions: %s', $e->getMessage()), 0, $e);
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*/
|
||||
public function read($sessionId)
|
||||
{
|
||||
$sql = "SELECT $this->dataCol FROM $this->table WHERE $this->idCol = :id";
|
||||
|
||||
try {
|
||||
$stmt = $this->pdo->prepare($sql);
|
||||
$stmt->bindParam(':id', $sessionId, \PDO::PARAM_STR);
|
||||
$stmt->execute();
|
||||
|
||||
// We use fetchAll instead of fetchColumn to make sure the DB cursor gets closed
|
||||
$sessionRows = $stmt->fetchAll(\PDO::FETCH_NUM);
|
||||
|
||||
if ($sessionRows) {
|
||||
return base64_decode($sessionRows[0][0]);
|
||||
}
|
||||
|
||||
return '';
|
||||
} catch (\PDOException $e) {
|
||||
throw new \RuntimeException(sprintf('PDOException was thrown when trying to read the session data: %s', $e->getMessage()), 0, $e);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritdoc}
|
||||
*/
|
||||
public function write($sessionId, $data)
|
||||
{
|
||||
$encoded = base64_encode($data);
|
||||
|
||||
try {
|
||||
// We use a single MERGE SQL query when supported by the database.
|
||||
$mergeSql = $this->getMergeSql();
|
||||
|
||||
if (null !== $mergeSql) {
|
||||
$mergeStmt = $this->pdo->prepare($mergeSql);
|
||||
$mergeStmt->bindParam(':id', $sessionId, \PDO::PARAM_STR);
|
||||
$mergeStmt->bindParam(':data', $encoded, \PDO::PARAM_STR);
|
||||
$mergeStmt->bindValue(':time', time(), \PDO::PARAM_INT);
|
||||
$mergeStmt->execute();
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
$updateStmt = $this->pdo->prepare(
|
||||
"UPDATE $this->table SET $this->dataCol = :data, $this->timeCol = :time WHERE $this->idCol = :id"
|
||||
);
|
||||
$updateStmt->bindParam(':id', $sessionId, \PDO::PARAM_STR);
|
||||
$updateStmt->bindParam(':data', $encoded, \PDO::PARAM_STR);
|
||||
$updateStmt->bindValue(':time', time(), \PDO::PARAM_INT);
|
||||
$updateStmt->execute();
|
||||
|
||||
// When MERGE is not supported, like in Postgres, we have to use this approach that can result in
|
||||
// duplicate key errors when the same session is written simultaneously. We can just catch such an
|
||||
// error and re-execute the update. This is similar to a serializable transaction with retry logic
|
||||
// on serialization failures but without the overhead and without possible false positives due to
|
||||
// longer gap locking.
|
||||
if (!$updateStmt->rowCount()) {
|
||||
try {
|
||||
$insertStmt = $this->pdo->prepare(
|
||||
"INSERT INTO $this->table ($this->idCol, $this->dataCol, $this->timeCol) VALUES (:id, :data, :time)"
|
||||
);
|
||||
$insertStmt->bindParam(':id', $sessionId, \PDO::PARAM_STR);
|
||||
$insertStmt->bindParam(':data', $encoded, \PDO::PARAM_STR);
|
||||
$insertStmt->bindValue(':time', time(), \PDO::PARAM_INT);
|
||||
$insertStmt->execute();
|
||||
} catch (\PDOException $e) {
|
||||
// Handle integrity violation SQLSTATE 23000 (or a subclass like 23505 in Postgres) for duplicate keys
|
||||
if (0 === strpos($e->getCode(), '23')) {
|
||||
$updateStmt->execute();
|
||||
} else {
|
||||
throw $e;
|
||||
}
|
||||
}
|
||||
}
|
||||
} catch (\PDOException $e) {
|
||||
throw new \RuntimeException(sprintf('PDOException was thrown when trying to write the session data: %s', $e->getMessage()), 0, $e);
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a merge/upsert (i.e. insert or update) SQL query when supported by the database.
|
||||
*
|
||||
* @return string|null The SQL string or null when not supported
|
||||
*/
|
||||
private function getMergeSql()
|
||||
{
|
||||
$driver = $this->pdo->getAttribute(\PDO::ATTR_DRIVER_NAME);
|
||||
|
||||
switch ($driver) {
|
||||
case 'mysql':
|
||||
return "INSERT INTO $this->table ($this->idCol, $this->dataCol, $this->timeCol) VALUES (:id, :data, :time) ".
|
||||
"ON DUPLICATE KEY UPDATE $this->dataCol = VALUES($this->dataCol), $this->timeCol = VALUES($this->timeCol)";
|
||||
case 'oci':
|
||||
// DUAL is Oracle specific dummy table
|
||||
return "MERGE INTO $this->table USING DUAL ON ($this->idCol = :id) ".
|
||||
"WHEN NOT MATCHED THEN INSERT ($this->idCol, $this->dataCol, $this->timeCol) VALUES (:id, :data, :time) ".
|
||||
"WHEN MATCHED THEN UPDATE SET $this->dataCol = :data, $this->timeCol = :time";
|
||||
case 'sqlsrv' === $driver && version_compare($this->pdo->getAttribute(\PDO::ATTR_SERVER_VERSION), '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
|
||||
return "MERGE INTO $this->table WITH (HOLDLOCK) USING (SELECT 1 AS dummy) AS src ON ($this->idCol = :id) ".
|
||||
"WHEN NOT MATCHED THEN INSERT ($this->idCol, $this->dataCol, $this->timeCol) VALUES (:id, :data, :time) ".
|
||||
"WHEN MATCHED THEN UPDATE SET $this->dataCol = :data, $this->timeCol = :time;";
|
||||
case 'sqlite':
|
||||
return "INSERT OR REPLACE INTO $this->table ($this->idCol, $this->dataCol, $this->timeCol) VALUES (:id, :data, :time)";
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Return a PDO instance.
|
||||
*
|
||||
* @return \PDO
|
||||
*/
|
||||
protected function getConnection()
|
||||
{
|
||||
return $this->pdo;
|
||||
}
|
||||
}
|
||||
Reference in a new issue