Spade

Mini Shell

Directory:~$ /home/lmsyaran/public_html/joomla4/
Upload File

[Home] [System Details] [Kill Me]
Current File:~$ /home/lmsyaran/public_html/joomla4/pdo.php.tar

home/lmsyaran/public_html/libraries/fof/database/driver/pdo.php000064400000064717151156412730020730
0ustar00<?php
/**
 * @package     FrameworkOnFramework
 * @subpackage  database
 * @copyright   Copyright (C) 2010-2016 Nicholas K. Dionysopoulos / Akeeba
Ltd. All rights reserved.
 * @license     GNU General Public License version 2 or later; see
LICENSE.txt
 *
 * This file is adapted from the Joomla! Platform. It is used to iterate a
database cursor returning FOFTable objects
 * instead of plain stdClass objects
 */

// Protect from unauthorized access
defined('FOF_INCLUDED') or die;

/**
 * Joomla Platform PDO Database Driver Class
 *
 * @see    http://php.net/pdo
 * @since  12.1
 */
abstract class FOFDatabaseDriverPdo extends FOFDatabaseDriver
{
	/**
	 * The name of the database driver.
	 *
	 * @var    string
	 * @since  12.1
	 */
	public $name = 'pdo';

	/**
	 * @var    PDO  The database connection resource.
	 * @since  12.1
	 */
	protected $connection;

	/**
	 * The character(s) used to quote SQL statement names such as table names
or field names,
	 * etc.  The child classes should define this as necessary.  If a single
character string the
	 * same character is used for both sides of the quoted name, else the
first character will be
	 * used for the opening quote and the second for the closing quote.
	 *
	 * @var    string
	 * @since  12.1
	 */
	protected $nameQuote = "'";

	/**
	 * The null or zero representation of a timestamp for the database driver.
 This should be
	 * defined in child classes to hold the appropriate value for the engine.
	 *
	 * @var    string
	 * @since  12.1
	 */
	protected $nullDate = '0000-00-00 00:00:00';

	/**
	 * @var    resource  The prepared statement.
	 * @since  12.1
	 */
	protected $prepared;

	/**
	 * Contains the current query execution status
	 *
	 * @var array
	 * @since 12.1
	 */
	protected $executed = false;

	/**
	 * Constructor.
	 *
	 * @param   array  $options  List of options used to configure the
connection
	 *
	 * @since   12.1
	 */
	public function __construct($options)
	{
		// Get some basic values from the options.
		$options['driver'] = (isset($options['driver'])) ?
$options['driver'] : 'odbc';
		$options['dsn'] = (isset($options['dsn'])) ?
$options['dsn'] : '';
		$options['host'] = (isset($options['host'])) ?
$options['host'] : 'localhost';
		$options['database'] = (isset($options['database']))
? $options['database'] : '';
		$options['user'] = (isset($options['user'])) ?
$options['user'] : '';
		$options['password'] = (isset($options['password']))
? $options['password'] : '';
		$options['driverOptions'] =
(isset($options['driverOptions'])) ?
$options['driverOptions'] : array();

		$hostParts = explode(':', $options['host']);

		if (!empty($hostParts[1]))
		{
			$options['host'] = $hostParts[0];
			$options['port'] = $hostParts[1];
		}

		// Finalize initialisation
		parent::__construct($options);
	}

	/**
	 * Destructor.
	 *
	 * @since   12.1
	 */
	public function __destruct()
	{
		$this->disconnect();
	}

	/**
	 * Connects to the database if needed.
	 *
	 * @return  void  Returns void if the database connected successfully.
	 *
	 * @since   12.1
	 * @throws  RuntimeException
	 */
	public function connect()
	{
		if ($this->connection)
		{
			return;
		}

		// Make sure the PDO extension for PHP is installed and enabled.
		if (!self::isSupported())
		{
			throw new RuntimeException('PDO Extension is not available.',
1);
		}

		$replace = array();
		$with = array();

		// Find the correct PDO DSN Format to use:
		switch ($this->options['driver'])
		{
			case 'cubrid':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 33000;

				$format = 'cubrid:host=#HOST#;port=#PORT#;dbname=#DBNAME#';

				$replace = array('#HOST#', '#PORT#',
'#DBNAME#');
				$with = array($this->options['host'],
$this->options['port'],
$this->options['database']);

				break;

			case 'dblib':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 1433;

				$format = 'dblib:host=#HOST#;port=#PORT#;dbname=#DBNAME#';

				$replace = array('#HOST#', '#PORT#',
'#DBNAME#');
				$with = array($this->options['host'],
$this->options['port'],
$this->options['database']);

				break;

			case 'firebird':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 3050;

				$format = 'firebird:dbname=#DBNAME#';

				$replace = array('#DBNAME#');
				$with = array($this->options['database']);

				break;

			case 'ibm':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 56789;

				if (!empty($this->options['dsn']))
				{
					$format = 'ibm:DSN=#DSN#';

					$replace = array('#DSN#');
					$with = array($this->options['dsn']);
				}
				else
				{
					$format =
'ibm:hostname=#HOST#;port=#PORT#;database=#DBNAME#';

					$replace = array('#HOST#', '#PORT#',
'#DBNAME#');
					$with = array($this->options['host'],
$this->options['port'],
$this->options['database']);
				}

				break;

			case 'informix':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 1526;
				$this->options['protocol'] =
(isset($this->options['protocol'])) ?
$this->options['protocol'] : 'onsoctcp';

				if (!empty($this->options['dsn']))
				{
					$format = 'informix:DSN=#DSN#';

					$replace = array('#DSN#');
					$with = array($this->options['dsn']);
				}
				else
				{
					$format =
'informix:host=#HOST#;service=#PORT#;database=#DBNAME#;server=#SERVER#;protocol=#PROTOCOL#';

					$replace = array('#HOST#', '#PORT#',
'#DBNAME#', '#SERVER#', '#PROTOCOL#');
					$with = array($this->options['host'],
$this->options['port'],
$this->options['database'],
$this->options['server'],
$this->options['protocol']);
				}

				break;

			case 'mssql':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 1433;

				$format = 'mssql:host=#HOST#;port=#PORT#;dbname=#DBNAME#';

				$replace = array('#HOST#', '#PORT#',
'#DBNAME#');
				$with = array($this->options['host'],
$this->options['port'],
$this->options['database']);

				break;

			// The pdomysql case is a special case within the CMS environment
			case 'pdomysql':
			case 'mysql':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 3306;

				$format =
'mysql:host=#HOST#;port=#PORT#;dbname=#DBNAME#;charset=#CHARSET#';

				$replace = array('#HOST#', '#PORT#',
'#DBNAME#', '#CHARSET#');
				$with = array($this->options['host'],
$this->options['port'],
$this->options['database'],
$this->options['charset']);

				break;

			case 'oci':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 1521;
				$this->options['charset'] =
(isset($this->options['charset'])) ?
$this->options['charset'] : 'AL32UTF8';

				if (!empty($this->options['dsn']))
				{
					$format = 'oci:dbname=#DSN#';

					$replace = array('#DSN#');
					$with = array($this->options['dsn']);
				}
				else
				{
					$format = 'oci:dbname=//#HOST#:#PORT#/#DBNAME#';

					$replace = array('#HOST#', '#PORT#',
'#DBNAME#');
					$with = array($this->options['host'],
$this->options['port'],
$this->options['database']);
				}

				$format .= ';charset=' .
$this->options['charset'];

				break;

			case 'odbc':
				$format = 'odbc:DSN=#DSN#;UID:#USER#;PWD=#PASSWORD#';

				$replace = array('#DSN#', '#USER#',
'#PASSWORD#');
				$with = array($this->options['dsn'],
$this->options['user'],
$this->options['password']);

				break;

			case 'pgsql':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 5432;

				$format = 'pgsql:host=#HOST#;port=#PORT#;dbname=#DBNAME#';

				$replace = array('#HOST#', '#PORT#',
'#DBNAME#');
				$with = array($this->options['host'],
$this->options['port'],
$this->options['database']);

				break;

			case 'sqlite':
				if (isset($this->options['version']) &&
$this->options['version'] == 2)
				{
					$format = 'sqlite2:#DBNAME#';
				}
				else
				{
					$format = 'sqlite:#DBNAME#';
				}

				$replace = array('#DBNAME#');
				$with = array($this->options['database']);

				break;

			case 'sybase':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 1433;

				$format = 'mssql:host=#HOST#;port=#PORT#;dbname=#DBNAME#';

				$replace = array('#HOST#', '#PORT#',
'#DBNAME#');
				$with = array($this->options['host'],
$this->options['port'],
$this->options['database']);

				break;
		}

		// Create the connection string:
		$connectionString = str_replace($replace, $with, $format);

		try
		{
			$this->connection = new PDO(
				$connectionString,
				$this->options['user'],
				$this->options['password'],
				$this->options['driverOptions']
			);
		}
		catch (PDOException $e)
		{
			throw new RuntimeException('Could not connect to PDO: ' .
$e->getMessage(), 2, $e);
		}
	}

	/**
	 * Disconnects the database.
	 *
	 * @return  void
	 *
	 * @since   12.1
	 */
	public function disconnect()
	{
		foreach ($this->disconnectHandlers as $h)
		{
			call_user_func_array($h, array( &$this));
		}

		$this->freeResult();
		unset($this->connection);
	}

	/**
	 * Method to escape a string for usage in an SQL statement.
	 *
	 * Oracle escaping reference:
	 *
http://www.orafaq.com/wiki/SQL_FAQ#How_does_one_escape_special_characters_when_writing_SQL_queries.3F
	 *
	 * SQLite escaping notes:
	 * http://www.sqlite.org/faq.html#q14
	 *
	 * Method body is as implemented by the Zend Framework
	 *
	 * Note: Using query objects with bound variables is
	 * preferable to the below.
	 *
	 * @param   string   $text   The string to be escaped.
	 * @param   boolean  $extra  Unused optional parameter to provide extra
escaping.
	 *
	 * @return  string  The escaped string.
	 *
	 * @since   12.1
	 */
	public function escape($text, $extra = false)
	{
		if (is_int($text) || is_float($text))
		{
			return $text;
		}

		$text = str_replace("'", "''", $text);

		return addcslashes($text, "\000\n\r\\\032");
	}

	/**
	 * Execute the SQL statement.
	 *
	 * @return  mixed  A database cursor resource on success, boolean false on
failure.
	 *
	 * @since   12.1
	 * @throws  RuntimeException
	 * @throws  Exception
	 */
	public function execute()
	{
		$this->connect();

		if (!is_object($this->connection))
		{
			if (class_exists('JLog'))
			{
				JLog::add(JText::sprintf('JLIB_DATABASE_QUERY_FAILED',
$this->errorNum, $this->errorMsg), JLog::ERROR,
'database');
			}
			throw new RuntimeException($this->errorMsg, $this->errorNum);
		}

		// Take a local copy so that we don't modify the original query and
cause issues later
		$query = $this->replacePrefix((string) $this->sql);

		if (!($this->sql instanceof FOFDatabaseQuery) &&
($this->limit > 0 || $this->offset > 0))
		{
			// @TODO
			$query .= ' LIMIT ' . $this->offset . ', ' .
$this->limit;
		}

		// Increment the query counter.
		$this->count++;

		// Reset the error values.
		$this->errorNum = 0;
		$this->errorMsg = '';

		// If debugging is enabled then let's log the query.
		if ($this->debug)
		{
			// Add the query to the object queue.
			$this->log[] = $query;

			if (class_exists('JLog'))
			{
				JLog::add($query, JLog::DEBUG, 'databasequery');
			}

			$this->timings[] = microtime(true);
		}

		// Execute the query.
		$this->executed = false;

		if ($this->prepared instanceof PDOStatement)
		{
			// Bind the variables:
			if ($this->sql instanceof FOFDatabaseQueryPreparable)
			{
				$bounded = $this->sql->getBounded();

				foreach ($bounded as $key => $obj)
				{
					$this->prepared->bindParam($key, $obj->value,
$obj->dataType, $obj->length, $obj->driverOptions);
				}
			}

			$this->executed = $this->prepared->execute();
		}

		if ($this->debug)
		{
			$this->timings[] = microtime(true);

			if (defined('DEBUG_BACKTRACE_IGNORE_ARGS'))
			{
				$this->callStacks[] = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
			}
			else
			{
				$this->callStacks[] = debug_backtrace();
			}
		}

		// If an error occurred handle it.
		if (!$this->executed)
		{
			// Get the error number and message before we execute any more queries.
			$errorNum = $this->getErrorNumber();
			$errorMsg = $this->getErrorMessage($query);

			// Check if the server was disconnected.
			if (!$this->connected())
			{
				try
				{
					// Attempt to reconnect.
					$this->connection = null;
					$this->connect();
				}
				// If connect fails, ignore that exception and throw the normal
exception.
				catch (RuntimeException $e)
				{
					// Get the error number and message.
					$this->errorNum = $this->getErrorNumber();
					$this->errorMsg = $this->getErrorMessage($query);

					// Throw the normal query exception.
					if (class_exists('JLog'))
					{
						JLog::add(JText::sprintf('JLIB_DATABASE_QUERY_FAILED',
$this->errorNum, $this->errorMsg), JLog::ERROR,
'database-error');
					}

					throw new RuntimeException($this->errorMsg, $this->errorNum,
$e);
				}

				// Since we were able to reconnect, run the query again.
				return $this->execute();
			}
			// The server was not disconnected.
			else
			{
				// Get the error number and message from before we tried to reconnect.
				$this->errorNum = $errorNum;
				$this->errorMsg = $errorMsg;

				// Throw the normal query exception.
				if (class_exists('JLog'))
				{
					JLog::add(JText::sprintf('JLIB_DATABASE_QUERY_FAILED',
$this->errorNum, $this->errorMsg), JLog::ERROR,
'database-error');
				}

				throw new RuntimeException($this->errorMsg, $this->errorNum);
			}
		}

		return $this->prepared;
	}

	/**
	 * Retrieve a PDO database connection attribute
	 * http://www.php.net/manual/en/pdo.getattribute.php
	 *
	 * Usage: $db->getOption(PDO::ATTR_CASE);
	 *
	 * @param   mixed  $key  One of the PDO::ATTR_* Constants
	 *
	 * @return mixed
	 *
	 * @since  12.1
	 */
	public function getOption($key)
	{
		$this->connect();

		return $this->connection->getAttribute($key);
	}

	/**
	 * Get a query to run and verify the database is operational.
	 *
	 * @return  string  The query to check the health of the DB.
	 *
	 * @since   12.2
	 */
	public function getConnectedQuery()
	{
		return 'SELECT 1';
	}

	/**
	 * Sets an attribute on the PDO database handle.
	 * http://www.php.net/manual/en/pdo.setattribute.php
	 *
	 * Usage: $db->setOption(PDO::ATTR_CASE, PDO::CASE_UPPER);
	 *
	 * @param   integer  $key    One of the PDO::ATTR_* Constants
	 * @param   mixed    $value  One of the associated PDO Constants
	 *                           related to the particular attribute
	 *                           key.
	 *
	 * @return boolean
	 *
	 * @since  12.1
	 */
	public function setOption($key, $value)
	{
		$this->connect();

		return $this->connection->setAttribute($key, $value);
	}

	/**
	 * Test to see if the PDO extension is available.
	 * Override as needed to check for specific PDO Drivers.
	 *
	 * @return  boolean  True on success, false otherwise.
	 *
	 * @since   12.1
	 */
	public static function isSupported()
	{
		return defined('PDO::ATTR_DRIVER_NAME');
	}

	/**
	 * Determines if the connection to the server is active.
	 *
	 * @return  boolean  True if connected to the database engine.
	 *
	 * @since   12.1
	 */
	public function connected()
	{
		// Flag to prevent recursion into this function.
		static $checkingConnected = false;

		if ($checkingConnected)
		{
			// Reset this flag and throw an exception.
			$checkingConnected = true;
			die('Recursion trying to check if connected.');
		}

		// Backup the query state.
		$query = $this->sql;
		$limit = $this->limit;
		$offset = $this->offset;
		$prepared = $this->prepared;

		try
		{
			// Set the checking connection flag.
			$checkingConnected = true;

			// Run a simple query to check the connection.
			$this->setQuery($this->getConnectedQuery());
			$status = (bool) $this->loadResult();
		}
		// If we catch an exception here, we must not be connected.
		catch (Exception $e)
		{
			$status = false;
		}

		// Restore the query state.
		$this->sql = $query;
		$this->limit = $limit;
		$this->offset = $offset;
		$this->prepared = $prepared;
		$checkingConnected = false;

		return $status;
	}

	/**
	 * Get the number of affected rows for the previous executed SQL
statement.
	 * Only applicable for DELETE, INSERT, or UPDATE statements.
	 *
	 * @return  integer  The number of affected rows.
	 *
	 * @since   12.1
	 */
	public function getAffectedRows()
	{
		$this->connect();

		if ($this->prepared instanceof PDOStatement)
		{
			return $this->prepared->rowCount();
		}
		else
		{
			return 0;
		}
	}

	/**
	 * Get the number of returned rows for the previous executed SQL
statement.
	 * Only applicable for DELETE, INSERT, or UPDATE statements.
	 *
	 * @param   resource  $cursor  An optional database cursor resource to
extract the row count from.
	 *
	 * @return  integer   The number of returned rows.
	 *
	 * @since   12.1
	 */
	public function getNumRows($cursor = null)
	{
		$this->connect();

		if ($cursor instanceof PDOStatement)
		{
			return $cursor->rowCount();
		}
		elseif ($this->prepared instanceof PDOStatement)
		{
			return $this->prepared->rowCount();
		}
		else
		{
			return 0;
		}
	}

	/**
	 * Method to get the auto-incremented value from the last INSERT
statement.
	 *
	 * @return  string  The value of the auto-increment field from the last
inserted row.
	 *
	 * @since   12.1
	 */
	public function insertid()
	{
		$this->connect();

		// Error suppress this to prevent PDO warning us that the driver
doesn't support this operation.
		return @$this->connection->lastInsertId();
	}

	/**
	 * Select a database for use.
	 *
	 * @param   string  $database  The name of the database to select for use.
	 *
	 * @return  boolean  True if the database was successfully selected.
	 *
	 * @since   12.1
	 * @throws  RuntimeException
	 */
	public function select($database)
	{
		$this->connect();

		return true;
	}

	/**
	 * Sets the SQL statement string for later execution.
	 *
	 * @param   mixed    $query          The SQL statement to set either as a
FOFDatabaseQuery object or a string.
	 * @param   integer  $offset         The affected row offset to set.
	 * @param   integer  $limit          The maximum affected rows to set.
	 * @param   array    $driverOptions  The optional PDO driver options.
	 *
	 * @return  FOFDatabaseDriver  This object to support method chaining.
	 *
	 * @since   12.1
	 */
	public function setQuery($query, $offset = null, $limit = null,
$driverOptions = array())
	{
		$this->connect();

		$this->freeResult();

		if (is_string($query))
		{
			// Allows taking advantage of bound variables in a direct query:
			$query = $this->getQuery(true)->setQuery($query);
		}

		if ($query instanceof FOFDatabaseQueryLimitable &&
!is_null($offset) && !is_null($limit))
		{
			$query = $query->processLimit($query, $limit, $offset);
		}

		// Create a stringified version of the query (with prefixes replaced):
		$sql = $this->replacePrefix((string) $query);

		// Use the stringified version in the prepare call:
		$this->prepared = $this->connection->prepare($sql,
$driverOptions);

		// Store reference to the original FOFDatabaseQuery instance within the
class.
		// This is important since binding variables depends on it within
execute():
		parent::setQuery($query, $offset, $limit);

		return $this;
	}

	/**
	 * Set the connection to use UTF-8 character encoding.
	 *
	 * @return  boolean  True on success.
	 *
	 * @since   12.1
	 */
	public function setUtf()
	{
		return false;
	}

	/**
	 * Method to commit a transaction.
	 *
	 * @param   boolean  $toSavepoint  If true, commit to the last savepoint.
	 *
	 * @return  void
	 *
	 * @since   12.1
	 * @throws  RuntimeException
	 */
	public function transactionCommit($toSavepoint = false)
	{
		$this->connect();

		if (!$toSavepoint || $this->transactionDepth == 1)
		{
			$this->connection->commit();
		}

		$this->transactionDepth--;
	}

	/**
	 * Method to roll back a transaction.
	 *
	 * @param   boolean  $toSavepoint  If true, rollback to the last
savepoint.
	 *
	 * @return  void
	 *
	 * @since   12.1
	 * @throws  RuntimeException
	 */
	public function transactionRollback($toSavepoint = false)
	{
		$this->connect();

		if (!$toSavepoint || $this->transactionDepth == 1)
		{
			$this->connection->rollBack();
		}

		$this->transactionDepth--;
	}

	/**
	 * Method to initialize a transaction.
	 *
	 * @param   boolean  $asSavepoint  If true and a transaction is already
active, a savepoint will be created.
	 *
	 * @return  void
	 *
	 * @since   12.1
	 * @throws  RuntimeException
	 */
	public function transactionStart($asSavepoint = false)
	{
		$this->connect();

		if (!$asSavepoint || !$this->transactionDepth)
		{
			$this->connection->beginTransaction();
		}

		$this->transactionDepth++;
	}

	/**
	 * Method to fetch a row from the result set cursor as an array.
	 *
	 * @param   mixed  $cursor  The optional result set cursor from which to
fetch the row.
	 *
	 * @return  mixed  Either the next row from the result set or false if
there are no more rows.
	 *
	 * @since   12.1
	 */
	protected function fetchArray($cursor = null)
	{
		if (!empty($cursor) && $cursor instanceof PDOStatement)
		{
			return $cursor->fetch(PDO::FETCH_NUM);
		}

		if ($this->prepared instanceof PDOStatement)
		{
			return $this->prepared->fetch(PDO::FETCH_NUM);
		}
	}

	/**
	 * Method to fetch a row from the result set cursor as an associative
array.
	 *
	 * @param   mixed  $cursor  The optional result set cursor from which to
fetch the row.
	 *
	 * @return  mixed  Either the next row from the result set or false if
there are no more rows.
	 *
	 * @since   12.1
	 */
	protected function fetchAssoc($cursor = null)
	{
		if (!empty($cursor) && $cursor instanceof PDOStatement)
		{
			return $cursor->fetch(PDO::FETCH_ASSOC);
		}

		if ($this->prepared instanceof PDOStatement)
		{
			return $this->prepared->fetch(PDO::FETCH_ASSOC);
		}
	}

	/**
	 * Method to fetch a row from the result set cursor as an object.
	 *
	 * @param   mixed   $cursor  The optional result set cursor from which to
fetch the row.
	 * @param   string  $class   Unused, only necessary so method signature
will be the same as parent.
	 *
	 * @return  mixed   Either the next row from the result set or false if
there are no more rows.
	 *
	 * @since   12.1
	 */
	protected function fetchObject($cursor = null, $class =
'stdClass')
	{
		if (!empty($cursor) && $cursor instanceof PDOStatement)
		{
			return $cursor->fetchObject($class);
		}

		if ($this->prepared instanceof PDOStatement)
		{
			return $this->prepared->fetchObject($class);
		}
	}

	/**
	 * Method to free up the memory used for the result set.
	 *
	 * @param   mixed  $cursor  The optional result set cursor from which to
fetch the row.
	 *
	 * @return  void
	 *
	 * @since   12.1
	 */
	protected function freeResult($cursor = null)
	{
		$this->executed = false;

		if ($cursor instanceof PDOStatement)
		{
			$cursor->closeCursor();
			$cursor = null;
		}

		if ($this->prepared instanceof PDOStatement)
		{
			$this->prepared->closeCursor();
			$this->prepared = null;
		}
	}

	/**
	 * Method to get the next row in the result set from the database query as
an object.
	 *
	 * @param   string  $class  The class name to use for the returned row
object.
	 *
	 * @return  mixed   The result of the query as an array, false if there
are no more rows.
	 *
	 * @since   12.1
	 * @throws  RuntimeException
	 * @deprecated  4.0 (CMS)  Use getIterator() instead
	 */
	public function loadNextObject($class = 'stdClass')
	{
		if (class_exists('JLog'))
		{
			JLog::add(__METHOD__ . '() is deprecated. Use
FOFDatabaseDriver::getIterator() instead.', JLog::WARNING,
'deprecated');
		}
		$this->connect();

		// Execute the query and get the result set cursor.
		if (!$this->executed)
		{
			if (!($this->execute()))
			{
				return $this->errorNum ? null : false;
			}
		}

		// Get the next row from the result set as an object of type $class.
		if ($row = $this->fetchObject(null, $class))
		{
			return $row;
		}

		// Free up system resources and return.
		$this->freeResult();

		return false;
	}

	/**
	 * Method to get the next row in the result set from the database query as
an array.
	 *
	 * @return  mixed  The result of the query as an array, false if there are
no more rows.
	 *
	 * @since   12.1
	 * @throws  RuntimeException
	 */
	public function loadNextAssoc()
	{
		$this->connect();

		// Execute the query and get the result set cursor.
		if (!$this->executed)
		{
			if (!($this->execute()))
			{
				return $this->errorNum ? null : false;
			}
		}

		// Get the next row from the result set as an object of type $class.
		if ($row = $this->fetchAssoc())
		{
			return $row;
		}

		// Free up system resources and return.
		$this->freeResult();

		return false;
	}

	/**
	 * Method to get the next row in the result set from the database query as
an array.
	 *
	 * @return  mixed  The result of the query as an array, false if there are
no more rows.
	 *
	 * @since   12.1
	 * @throws  RuntimeException
	 * @deprecated  4.0 (CMS)  Use getIterator() instead
	 */
	public function loadNextRow()
	{
		if (class_exists('JLog'))
		{
			JLog::add(__METHOD__ . '() is deprecated. Use
FOFDatabaseDriver::getIterator() instead.', JLog::WARNING,
'deprecated');
		}
		$this->connect();

		// Execute the query and get the result set cursor.
		if (!$this->executed)
		{
			if (!($this->execute()))
			{
				return $this->errorNum ? null : false;
			}
		}

		// Get the next row from the result set as an object of type $class.
		if ($row = $this->fetchArray())
		{
			return $row;
		}

		// Free up system resources and return.
		$this->freeResult();

		return false;
	}

	/**
	 * PDO does not support serialize
	 *
	 * @return  array
	 *
	 * @since   12.3
	 */
	public function __sleep()
	{
		$serializedProperties = array();

		$reflect = new ReflectionClass($this);

		// Get properties of the current class
		$properties = $reflect->getProperties();

		foreach ($properties as $property)
		{
			// Do not serialize properties that are PDO
			if ($property->isStatic() == false &&
!($this->{$property->name} instanceof PDO))
			{
				array_push($serializedProperties, $property->name);
			}
		}

		return $serializedProperties;
	}

	/**
	 * Wake up after serialization
	 *
	 * @return  array
	 *
	 * @since   12.3
	 */
	public function __wakeup()
	{
		// Get connection back
		$this->__construct($this->options);
	}

	/**
	 * Return the actual SQL Error number
	 *
	 * @return  integer  The SQL Error number
	 *
	 * @since   3.4.6
	 */
	protected function getErrorNumber()
	{
		return (int) $this->connection->errorCode();
	}

	/**
	 * Return the actual SQL Error message
	 *
	 * @param   string  $query  The SQL Query that fails
	 *
	 * @return  string  The SQL Error message
	 *
	 * @since   3.4.6
	 */
	protected function getErrorMessage($query)
	{
		// Note we ignoring $query here as it not used in the original code.

		// The SQL Error Information
		$errorInfo = implode(", ",
$this->connection->errorInfo());

		// Replace the Databaseprefix with `#__` if we are not in Debug
		if (!$this->debug)
		{
			$errorInfo = str_replace($this->tablePrefix, '#__',
$errorInfo);
		}

		return 'SQL: ' . $errorInfo;
	}
}
home/lmsyaran/public_html/libraries/fof/database/query/pdo.php000064400000001123151156412740020561
0ustar00<?php
/**
 * @package     FrameworkOnFramework
 * @subpackage  database
 * @copyright   Copyright (C) 2010-2016 Nicholas K. Dionysopoulos / Akeeba
Ltd. All rights reserved.
 * @license     GNU General Public License version 2 or later; see
LICENSE.txt
 *
 * This file is adapted from the Joomla! Platform. It is used to iterate a
database cursor returning FOFTable objects
 * instead of plain stdClass objects
 */

// Protect from unauthorized access
defined('FOF_INCLUDED') or die;

/**
 * PDO Query Building Class.
 *
 * @since  12.1
 */
class FOFDatabaseQueryPdo extends FOFDatabaseQuery
{
}
home/lmsyaran/public_html/j3/libraries/joomla/database/query/pdo.php000064400000001706151160044010021575
0ustar00<?php
/**
 * @package     Joomla.Platform
 * @subpackage  Database
 *
 * @copyright   Copyright (C) 2005 - 2020 Open Source Matters, Inc. All
rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE
 */

defined('JPATH_PLATFORM') or die;

/**
 * PDO Query Building Class.
 *
 * @since  3.0.0
 */
class JDatabaseQueryPdo extends JDatabaseQuery
{
	/**
	 * Casts a value to a char.
	 *
	 * Ensure that the value is properly quoted before passing to the method.
	 *
	 * Usage:
	 * $query->select($query->castAsChar('a'));
	 * $query->select($query->castAsChar('a', 40));
	 *
	 * @param   string  $value  The value to cast as a char.
	 *
	 * @param   string  $len    The length of the char.
	 *
	 * @return  string  Returns the cast value.
	 *
	 * @since   1.7.0
	 */
	public function castAsChar($value, $len = null)
	{
		if (!$len)
		{
			return $value;
		}
		else
		{
			return ' CAST(' . $value . ' AS CHAR(' . $len .
'))';
		}
	}
}
home/lmsyaran/public_html/j3/htaccess.back/fof/database/driver/pdo.php000064400000064717151160072310021753
0ustar00<?php
/**
 * @package     FrameworkOnFramework
 * @subpackage  database
 * @copyright   Copyright (C) 2010-2016 Nicholas K. Dionysopoulos / Akeeba
Ltd. All rights reserved.
 * @license     GNU General Public License version 2 or later; see
LICENSE.txt
 *
 * This file is adapted from the Joomla! Platform. It is used to iterate a
database cursor returning FOFTable objects
 * instead of plain stdClass objects
 */

// Protect from unauthorized access
defined('FOF_INCLUDED') or die;

/**
 * Joomla Platform PDO Database Driver Class
 *
 * @see    http://php.net/pdo
 * @since  12.1
 */
abstract class FOFDatabaseDriverPdo extends FOFDatabaseDriver
{
	/**
	 * The name of the database driver.
	 *
	 * @var    string
	 * @since  12.1
	 */
	public $name = 'pdo';

	/**
	 * @var    PDO  The database connection resource.
	 * @since  12.1
	 */
	protected $connection;

	/**
	 * The character(s) used to quote SQL statement names such as table names
or field names,
	 * etc.  The child classes should define this as necessary.  If a single
character string the
	 * same character is used for both sides of the quoted name, else the
first character will be
	 * used for the opening quote and the second for the closing quote.
	 *
	 * @var    string
	 * @since  12.1
	 */
	protected $nameQuote = "'";

	/**
	 * The null or zero representation of a timestamp for the database driver.
 This should be
	 * defined in child classes to hold the appropriate value for the engine.
	 *
	 * @var    string
	 * @since  12.1
	 */
	protected $nullDate = '0000-00-00 00:00:00';

	/**
	 * @var    resource  The prepared statement.
	 * @since  12.1
	 */
	protected $prepared;

	/**
	 * Contains the current query execution status
	 *
	 * @var array
	 * @since 12.1
	 */
	protected $executed = false;

	/**
	 * Constructor.
	 *
	 * @param   array  $options  List of options used to configure the
connection
	 *
	 * @since   12.1
	 */
	public function __construct($options)
	{
		// Get some basic values from the options.
		$options['driver'] = (isset($options['driver'])) ?
$options['driver'] : 'odbc';
		$options['dsn'] = (isset($options['dsn'])) ?
$options['dsn'] : '';
		$options['host'] = (isset($options['host'])) ?
$options['host'] : 'localhost';
		$options['database'] = (isset($options['database']))
? $options['database'] : '';
		$options['user'] = (isset($options['user'])) ?
$options['user'] : '';
		$options['password'] = (isset($options['password']))
? $options['password'] : '';
		$options['driverOptions'] =
(isset($options['driverOptions'])) ?
$options['driverOptions'] : array();

		$hostParts = explode(':', $options['host']);

		if (!empty($hostParts[1]))
		{
			$options['host'] = $hostParts[0];
			$options['port'] = $hostParts[1];
		}

		// Finalize initialisation
		parent::__construct($options);
	}

	/**
	 * Destructor.
	 *
	 * @since   12.1
	 */
	public function __destruct()
	{
		$this->disconnect();
	}

	/**
	 * Connects to the database if needed.
	 *
	 * @return  void  Returns void if the database connected successfully.
	 *
	 * @since   12.1
	 * @throws  RuntimeException
	 */
	public function connect()
	{
		if ($this->connection)
		{
			return;
		}

		// Make sure the PDO extension for PHP is installed and enabled.
		if (!self::isSupported())
		{
			throw new RuntimeException('PDO Extension is not available.',
1);
		}

		$replace = array();
		$with = array();

		// Find the correct PDO DSN Format to use:
		switch ($this->options['driver'])
		{
			case 'cubrid':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 33000;

				$format = 'cubrid:host=#HOST#;port=#PORT#;dbname=#DBNAME#';

				$replace = array('#HOST#', '#PORT#',
'#DBNAME#');
				$with = array($this->options['host'],
$this->options['port'],
$this->options['database']);

				break;

			case 'dblib':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 1433;

				$format = 'dblib:host=#HOST#;port=#PORT#;dbname=#DBNAME#';

				$replace = array('#HOST#', '#PORT#',
'#DBNAME#');
				$with = array($this->options['host'],
$this->options['port'],
$this->options['database']);

				break;

			case 'firebird':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 3050;

				$format = 'firebird:dbname=#DBNAME#';

				$replace = array('#DBNAME#');
				$with = array($this->options['database']);

				break;

			case 'ibm':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 56789;

				if (!empty($this->options['dsn']))
				{
					$format = 'ibm:DSN=#DSN#';

					$replace = array('#DSN#');
					$with = array($this->options['dsn']);
				}
				else
				{
					$format =
'ibm:hostname=#HOST#;port=#PORT#;database=#DBNAME#';

					$replace = array('#HOST#', '#PORT#',
'#DBNAME#');
					$with = array($this->options['host'],
$this->options['port'],
$this->options['database']);
				}

				break;

			case 'informix':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 1526;
				$this->options['protocol'] =
(isset($this->options['protocol'])) ?
$this->options['protocol'] : 'onsoctcp';

				if (!empty($this->options['dsn']))
				{
					$format = 'informix:DSN=#DSN#';

					$replace = array('#DSN#');
					$with = array($this->options['dsn']);
				}
				else
				{
					$format =
'informix:host=#HOST#;service=#PORT#;database=#DBNAME#;server=#SERVER#;protocol=#PROTOCOL#';

					$replace = array('#HOST#', '#PORT#',
'#DBNAME#', '#SERVER#', '#PROTOCOL#');
					$with = array($this->options['host'],
$this->options['port'],
$this->options['database'],
$this->options['server'],
$this->options['protocol']);
				}

				break;

			case 'mssql':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 1433;

				$format = 'mssql:host=#HOST#;port=#PORT#;dbname=#DBNAME#';

				$replace = array('#HOST#', '#PORT#',
'#DBNAME#');
				$with = array($this->options['host'],
$this->options['port'],
$this->options['database']);

				break;

			// The pdomysql case is a special case within the CMS environment
			case 'pdomysql':
			case 'mysql':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 3306;

				$format =
'mysql:host=#HOST#;port=#PORT#;dbname=#DBNAME#;charset=#CHARSET#';

				$replace = array('#HOST#', '#PORT#',
'#DBNAME#', '#CHARSET#');
				$with = array($this->options['host'],
$this->options['port'],
$this->options['database'],
$this->options['charset']);

				break;

			case 'oci':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 1521;
				$this->options['charset'] =
(isset($this->options['charset'])) ?
$this->options['charset'] : 'AL32UTF8';

				if (!empty($this->options['dsn']))
				{
					$format = 'oci:dbname=#DSN#';

					$replace = array('#DSN#');
					$with = array($this->options['dsn']);
				}
				else
				{
					$format = 'oci:dbname=//#HOST#:#PORT#/#DBNAME#';

					$replace = array('#HOST#', '#PORT#',
'#DBNAME#');
					$with = array($this->options['host'],
$this->options['port'],
$this->options['database']);
				}

				$format .= ';charset=' .
$this->options['charset'];

				break;

			case 'odbc':
				$format = 'odbc:DSN=#DSN#;UID:#USER#;PWD=#PASSWORD#';

				$replace = array('#DSN#', '#USER#',
'#PASSWORD#');
				$with = array($this->options['dsn'],
$this->options['user'],
$this->options['password']);

				break;

			case 'pgsql':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 5432;

				$format = 'pgsql:host=#HOST#;port=#PORT#;dbname=#DBNAME#';

				$replace = array('#HOST#', '#PORT#',
'#DBNAME#');
				$with = array($this->options['host'],
$this->options['port'],
$this->options['database']);

				break;

			case 'sqlite':
				if (isset($this->options['version']) &&
$this->options['version'] == 2)
				{
					$format = 'sqlite2:#DBNAME#';
				}
				else
				{
					$format = 'sqlite:#DBNAME#';
				}

				$replace = array('#DBNAME#');
				$with = array($this->options['database']);

				break;

			case 'sybase':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 1433;

				$format = 'mssql:host=#HOST#;port=#PORT#;dbname=#DBNAME#';

				$replace = array('#HOST#', '#PORT#',
'#DBNAME#');
				$with = array($this->options['host'],
$this->options['port'],
$this->options['database']);

				break;
		}

		// Create the connection string:
		$connectionString = str_replace($replace, $with, $format);

		try
		{
			$this->connection = new PDO(
				$connectionString,
				$this->options['user'],
				$this->options['password'],
				$this->options['driverOptions']
			);
		}
		catch (PDOException $e)
		{
			throw new RuntimeException('Could not connect to PDO: ' .
$e->getMessage(), 2, $e);
		}
	}

	/**
	 * Disconnects the database.
	 *
	 * @return  void
	 *
	 * @since   12.1
	 */
	public function disconnect()
	{
		foreach ($this->disconnectHandlers as $h)
		{
			call_user_func_array($h, array( &$this));
		}

		$this->freeResult();
		unset($this->connection);
	}

	/**
	 * Method to escape a string for usage in an SQL statement.
	 *
	 * Oracle escaping reference:
	 *
http://www.orafaq.com/wiki/SQL_FAQ#How_does_one_escape_special_characters_when_writing_SQL_queries.3F
	 *
	 * SQLite escaping notes:
	 * http://www.sqlite.org/faq.html#q14
	 *
	 * Method body is as implemented by the Zend Framework
	 *
	 * Note: Using query objects with bound variables is
	 * preferable to the below.
	 *
	 * @param   string   $text   The string to be escaped.
	 * @param   boolean  $extra  Unused optional parameter to provide extra
escaping.
	 *
	 * @return  string  The escaped string.
	 *
	 * @since   12.1
	 */
	public function escape($text, $extra = false)
	{
		if (is_int($text) || is_float($text))
		{
			return $text;
		}

		$text = str_replace("'", "''", $text);

		return addcslashes($text, "\000\n\r\\\032");
	}

	/**
	 * Execute the SQL statement.
	 *
	 * @return  mixed  A database cursor resource on success, boolean false on
failure.
	 *
	 * @since   12.1
	 * @throws  RuntimeException
	 * @throws  Exception
	 */
	public function execute()
	{
		$this->connect();

		if (!is_object($this->connection))
		{
			if (class_exists('JLog'))
			{
				JLog::add(JText::sprintf('JLIB_DATABASE_QUERY_FAILED',
$this->errorNum, $this->errorMsg), JLog::ERROR,
'database');
			}
			throw new RuntimeException($this->errorMsg, $this->errorNum);
		}

		// Take a local copy so that we don't modify the original query and
cause issues later
		$query = $this->replacePrefix((string) $this->sql);

		if (!($this->sql instanceof FOFDatabaseQuery) &&
($this->limit > 0 || $this->offset > 0))
		{
			// @TODO
			$query .= ' LIMIT ' . $this->offset . ', ' .
$this->limit;
		}

		// Increment the query counter.
		$this->count++;

		// Reset the error values.
		$this->errorNum = 0;
		$this->errorMsg = '';

		// If debugging is enabled then let's log the query.
		if ($this->debug)
		{
			// Add the query to the object queue.
			$this->log[] = $query;

			if (class_exists('JLog'))
			{
				JLog::add($query, JLog::DEBUG, 'databasequery');
			}

			$this->timings[] = microtime(true);
		}

		// Execute the query.
		$this->executed = false;

		if ($this->prepared instanceof PDOStatement)
		{
			// Bind the variables:
			if ($this->sql instanceof FOFDatabaseQueryPreparable)
			{
				$bounded = $this->sql->getBounded();

				foreach ($bounded as $key => $obj)
				{
					$this->prepared->bindParam($key, $obj->value,
$obj->dataType, $obj->length, $obj->driverOptions);
				}
			}

			$this->executed = $this->prepared->execute();
		}

		if ($this->debug)
		{
			$this->timings[] = microtime(true);

			if (defined('DEBUG_BACKTRACE_IGNORE_ARGS'))
			{
				$this->callStacks[] = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
			}
			else
			{
				$this->callStacks[] = debug_backtrace();
			}
		}

		// If an error occurred handle it.
		if (!$this->executed)
		{
			// Get the error number and message before we execute any more queries.
			$errorNum = $this->getErrorNumber();
			$errorMsg = $this->getErrorMessage($query);

			// Check if the server was disconnected.
			if (!$this->connected())
			{
				try
				{
					// Attempt to reconnect.
					$this->connection = null;
					$this->connect();
				}
				// If connect fails, ignore that exception and throw the normal
exception.
				catch (RuntimeException $e)
				{
					// Get the error number and message.
					$this->errorNum = $this->getErrorNumber();
					$this->errorMsg = $this->getErrorMessage($query);

					// Throw the normal query exception.
					if (class_exists('JLog'))
					{
						JLog::add(JText::sprintf('JLIB_DATABASE_QUERY_FAILED',
$this->errorNum, $this->errorMsg), JLog::ERROR,
'database-error');
					}

					throw new RuntimeException($this->errorMsg, $this->errorNum,
$e);
				}

				// Since we were able to reconnect, run the query again.
				return $this->execute();
			}
			// The server was not disconnected.
			else
			{
				// Get the error number and message from before we tried to reconnect.
				$this->errorNum = $errorNum;
				$this->errorMsg = $errorMsg;

				// Throw the normal query exception.
				if (class_exists('JLog'))
				{
					JLog::add(JText::sprintf('JLIB_DATABASE_QUERY_FAILED',
$this->errorNum, $this->errorMsg), JLog::ERROR,
'database-error');
				}

				throw new RuntimeException($this->errorMsg, $this->errorNum);
			}
		}

		return $this->prepared;
	}

	/**
	 * Retrieve a PDO database connection attribute
	 * http://www.php.net/manual/en/pdo.getattribute.php
	 *
	 * Usage: $db->getOption(PDO::ATTR_CASE);
	 *
	 * @param   mixed  $key  One of the PDO::ATTR_* Constants
	 *
	 * @return mixed
	 *
	 * @since  12.1
	 */
	public function getOption($key)
	{
		$this->connect();

		return $this->connection->getAttribute($key);
	}

	/**
	 * Get a query to run and verify the database is operational.
	 *
	 * @return  string  The query to check the health of the DB.
	 *
	 * @since   12.2
	 */
	public function getConnectedQuery()
	{
		return 'SELECT 1';
	}

	/**
	 * Sets an attribute on the PDO database handle.
	 * http://www.php.net/manual/en/pdo.setattribute.php
	 *
	 * Usage: $db->setOption(PDO::ATTR_CASE, PDO::CASE_UPPER);
	 *
	 * @param   integer  $key    One of the PDO::ATTR_* Constants
	 * @param   mixed    $value  One of the associated PDO Constants
	 *                           related to the particular attribute
	 *                           key.
	 *
	 * @return boolean
	 *
	 * @since  12.1
	 */
	public function setOption($key, $value)
	{
		$this->connect();

		return $this->connection->setAttribute($key, $value);
	}

	/**
	 * Test to see if the PDO extension is available.
	 * Override as needed to check for specific PDO Drivers.
	 *
	 * @return  boolean  True on success, false otherwise.
	 *
	 * @since   12.1
	 */
	public static function isSupported()
	{
		return defined('PDO::ATTR_DRIVER_NAME');
	}

	/**
	 * Determines if the connection to the server is active.
	 *
	 * @return  boolean  True if connected to the database engine.
	 *
	 * @since   12.1
	 */
	public function connected()
	{
		// Flag to prevent recursion into this function.
		static $checkingConnected = false;

		if ($checkingConnected)
		{
			// Reset this flag and throw an exception.
			$checkingConnected = true;
			die('Recursion trying to check if connected.');
		}

		// Backup the query state.
		$query = $this->sql;
		$limit = $this->limit;
		$offset = $this->offset;
		$prepared = $this->prepared;

		try
		{
			// Set the checking connection flag.
			$checkingConnected = true;

			// Run a simple query to check the connection.
			$this->setQuery($this->getConnectedQuery());
			$status = (bool) $this->loadResult();
		}
		// If we catch an exception here, we must not be connected.
		catch (Exception $e)
		{
			$status = false;
		}

		// Restore the query state.
		$this->sql = $query;
		$this->limit = $limit;
		$this->offset = $offset;
		$this->prepared = $prepared;
		$checkingConnected = false;

		return $status;
	}

	/**
	 * Get the number of affected rows for the previous executed SQL
statement.
	 * Only applicable for DELETE, INSERT, or UPDATE statements.
	 *
	 * @return  integer  The number of affected rows.
	 *
	 * @since   12.1
	 */
	public function getAffectedRows()
	{
		$this->connect();

		if ($this->prepared instanceof PDOStatement)
		{
			return $this->prepared->rowCount();
		}
		else
		{
			return 0;
		}
	}

	/**
	 * Get the number of returned rows for the previous executed SQL
statement.
	 * Only applicable for DELETE, INSERT, or UPDATE statements.
	 *
	 * @param   resource  $cursor  An optional database cursor resource to
extract the row count from.
	 *
	 * @return  integer   The number of returned rows.
	 *
	 * @since   12.1
	 */
	public function getNumRows($cursor = null)
	{
		$this->connect();

		if ($cursor instanceof PDOStatement)
		{
			return $cursor->rowCount();
		}
		elseif ($this->prepared instanceof PDOStatement)
		{
			return $this->prepared->rowCount();
		}
		else
		{
			return 0;
		}
	}

	/**
	 * Method to get the auto-incremented value from the last INSERT
statement.
	 *
	 * @return  string  The value of the auto-increment field from the last
inserted row.
	 *
	 * @since   12.1
	 */
	public function insertid()
	{
		$this->connect();

		// Error suppress this to prevent PDO warning us that the driver
doesn't support this operation.
		return @$this->connection->lastInsertId();
	}

	/**
	 * Select a database for use.
	 *
	 * @param   string  $database  The name of the database to select for use.
	 *
	 * @return  boolean  True if the database was successfully selected.
	 *
	 * @since   12.1
	 * @throws  RuntimeException
	 */
	public function select($database)
	{
		$this->connect();

		return true;
	}

	/**
	 * Sets the SQL statement string for later execution.
	 *
	 * @param   mixed    $query          The SQL statement to set either as a
FOFDatabaseQuery object or a string.
	 * @param   integer  $offset         The affected row offset to set.
	 * @param   integer  $limit          The maximum affected rows to set.
	 * @param   array    $driverOptions  The optional PDO driver options.
	 *
	 * @return  FOFDatabaseDriver  This object to support method chaining.
	 *
	 * @since   12.1
	 */
	public function setQuery($query, $offset = null, $limit = null,
$driverOptions = array())
	{
		$this->connect();

		$this->freeResult();

		if (is_string($query))
		{
			// Allows taking advantage of bound variables in a direct query:
			$query = $this->getQuery(true)->setQuery($query);
		}

		if ($query instanceof FOFDatabaseQueryLimitable &&
!is_null($offset) && !is_null($limit))
		{
			$query = $query->processLimit($query, $limit, $offset);
		}

		// Create a stringified version of the query (with prefixes replaced):
		$sql = $this->replacePrefix((string) $query);

		// Use the stringified version in the prepare call:
		$this->prepared = $this->connection->prepare($sql,
$driverOptions);

		// Store reference to the original FOFDatabaseQuery instance within the
class.
		// This is important since binding variables depends on it within
execute():
		parent::setQuery($query, $offset, $limit);

		return $this;
	}

	/**
	 * Set the connection to use UTF-8 character encoding.
	 *
	 * @return  boolean  True on success.
	 *
	 * @since   12.1
	 */
	public function setUtf()
	{
		return false;
	}

	/**
	 * Method to commit a transaction.
	 *
	 * @param   boolean  $toSavepoint  If true, commit to the last savepoint.
	 *
	 * @return  void
	 *
	 * @since   12.1
	 * @throws  RuntimeException
	 */
	public function transactionCommit($toSavepoint = false)
	{
		$this->connect();

		if (!$toSavepoint || $this->transactionDepth == 1)
		{
			$this->connection->commit();
		}

		$this->transactionDepth--;
	}

	/**
	 * Method to roll back a transaction.
	 *
	 * @param   boolean  $toSavepoint  If true, rollback to the last
savepoint.
	 *
	 * @return  void
	 *
	 * @since   12.1
	 * @throws  RuntimeException
	 */
	public function transactionRollback($toSavepoint = false)
	{
		$this->connect();

		if (!$toSavepoint || $this->transactionDepth == 1)
		{
			$this->connection->rollBack();
		}

		$this->transactionDepth--;
	}

	/**
	 * Method to initialize a transaction.
	 *
	 * @param   boolean  $asSavepoint  If true and a transaction is already
active, a savepoint will be created.
	 *
	 * @return  void
	 *
	 * @since   12.1
	 * @throws  RuntimeException
	 */
	public function transactionStart($asSavepoint = false)
	{
		$this->connect();

		if (!$asSavepoint || !$this->transactionDepth)
		{
			$this->connection->beginTransaction();
		}

		$this->transactionDepth++;
	}

	/**
	 * Method to fetch a row from the result set cursor as an array.
	 *
	 * @param   mixed  $cursor  The optional result set cursor from which to
fetch the row.
	 *
	 * @return  mixed  Either the next row from the result set or false if
there are no more rows.
	 *
	 * @since   12.1
	 */
	protected function fetchArray($cursor = null)
	{
		if (!empty($cursor) && $cursor instanceof PDOStatement)
		{
			return $cursor->fetch(PDO::FETCH_NUM);
		}

		if ($this->prepared instanceof PDOStatement)
		{
			return $this->prepared->fetch(PDO::FETCH_NUM);
		}
	}

	/**
	 * Method to fetch a row from the result set cursor as an associative
array.
	 *
	 * @param   mixed  $cursor  The optional result set cursor from which to
fetch the row.
	 *
	 * @return  mixed  Either the next row from the result set or false if
there are no more rows.
	 *
	 * @since   12.1
	 */
	protected function fetchAssoc($cursor = null)
	{
		if (!empty($cursor) && $cursor instanceof PDOStatement)
		{
			return $cursor->fetch(PDO::FETCH_ASSOC);
		}

		if ($this->prepared instanceof PDOStatement)
		{
			return $this->prepared->fetch(PDO::FETCH_ASSOC);
		}
	}

	/**
	 * Method to fetch a row from the result set cursor as an object.
	 *
	 * @param   mixed   $cursor  The optional result set cursor from which to
fetch the row.
	 * @param   string  $class   Unused, only necessary so method signature
will be the same as parent.
	 *
	 * @return  mixed   Either the next row from the result set or false if
there are no more rows.
	 *
	 * @since   12.1
	 */
	protected function fetchObject($cursor = null, $class =
'stdClass')
	{
		if (!empty($cursor) && $cursor instanceof PDOStatement)
		{
			return $cursor->fetchObject($class);
		}

		if ($this->prepared instanceof PDOStatement)
		{
			return $this->prepared->fetchObject($class);
		}
	}

	/**
	 * Method to free up the memory used for the result set.
	 *
	 * @param   mixed  $cursor  The optional result set cursor from which to
fetch the row.
	 *
	 * @return  void
	 *
	 * @since   12.1
	 */
	protected function freeResult($cursor = null)
	{
		$this->executed = false;

		if ($cursor instanceof PDOStatement)
		{
			$cursor->closeCursor();
			$cursor = null;
		}

		if ($this->prepared instanceof PDOStatement)
		{
			$this->prepared->closeCursor();
			$this->prepared = null;
		}
	}

	/**
	 * Method to get the next row in the result set from the database query as
an object.
	 *
	 * @param   string  $class  The class name to use for the returned row
object.
	 *
	 * @return  mixed   The result of the query as an array, false if there
are no more rows.
	 *
	 * @since   12.1
	 * @throws  RuntimeException
	 * @deprecated  4.0 (CMS)  Use getIterator() instead
	 */
	public function loadNextObject($class = 'stdClass')
	{
		if (class_exists('JLog'))
		{
			JLog::add(__METHOD__ . '() is deprecated. Use
FOFDatabaseDriver::getIterator() instead.', JLog::WARNING,
'deprecated');
		}
		$this->connect();

		// Execute the query and get the result set cursor.
		if (!$this->executed)
		{
			if (!($this->execute()))
			{
				return $this->errorNum ? null : false;
			}
		}

		// Get the next row from the result set as an object of type $class.
		if ($row = $this->fetchObject(null, $class))
		{
			return $row;
		}

		// Free up system resources and return.
		$this->freeResult();

		return false;
	}

	/**
	 * Method to get the next row in the result set from the database query as
an array.
	 *
	 * @return  mixed  The result of the query as an array, false if there are
no more rows.
	 *
	 * @since   12.1
	 * @throws  RuntimeException
	 */
	public function loadNextAssoc()
	{
		$this->connect();

		// Execute the query and get the result set cursor.
		if (!$this->executed)
		{
			if (!($this->execute()))
			{
				return $this->errorNum ? null : false;
			}
		}

		// Get the next row from the result set as an object of type $class.
		if ($row = $this->fetchAssoc())
		{
			return $row;
		}

		// Free up system resources and return.
		$this->freeResult();

		return false;
	}

	/**
	 * Method to get the next row in the result set from the database query as
an array.
	 *
	 * @return  mixed  The result of the query as an array, false if there are
no more rows.
	 *
	 * @since   12.1
	 * @throws  RuntimeException
	 * @deprecated  4.0 (CMS)  Use getIterator() instead
	 */
	public function loadNextRow()
	{
		if (class_exists('JLog'))
		{
			JLog::add(__METHOD__ . '() is deprecated. Use
FOFDatabaseDriver::getIterator() instead.', JLog::WARNING,
'deprecated');
		}
		$this->connect();

		// Execute the query and get the result set cursor.
		if (!$this->executed)
		{
			if (!($this->execute()))
			{
				return $this->errorNum ? null : false;
			}
		}

		// Get the next row from the result set as an object of type $class.
		if ($row = $this->fetchArray())
		{
			return $row;
		}

		// Free up system resources and return.
		$this->freeResult();

		return false;
	}

	/**
	 * PDO does not support serialize
	 *
	 * @return  array
	 *
	 * @since   12.3
	 */
	public function __sleep()
	{
		$serializedProperties = array();

		$reflect = new ReflectionClass($this);

		// Get properties of the current class
		$properties = $reflect->getProperties();

		foreach ($properties as $property)
		{
			// Do not serialize properties that are PDO
			if ($property->isStatic() == false &&
!($this->{$property->name} instanceof PDO))
			{
				array_push($serializedProperties, $property->name);
			}
		}

		return $serializedProperties;
	}

	/**
	 * Wake up after serialization
	 *
	 * @return  array
	 *
	 * @since   12.3
	 */
	public function __wakeup()
	{
		// Get connection back
		$this->__construct($this->options);
	}

	/**
	 * Return the actual SQL Error number
	 *
	 * @return  integer  The SQL Error number
	 *
	 * @since   3.4.6
	 */
	protected function getErrorNumber()
	{
		return (int) $this->connection->errorCode();
	}

	/**
	 * Return the actual SQL Error message
	 *
	 * @param   string  $query  The SQL Query that fails
	 *
	 * @return  string  The SQL Error message
	 *
	 * @since   3.4.6
	 */
	protected function getErrorMessage($query)
	{
		// Note we ignoring $query here as it not used in the original code.

		// The SQL Error Information
		$errorInfo = implode(", ",
$this->connection->errorInfo());

		// Replace the Databaseprefix with `#__` if we are not in Debug
		if (!$this->debug)
		{
			$errorInfo = str_replace($this->tablePrefix, '#__',
$errorInfo);
		}

		return 'SQL: ' . $errorInfo;
	}
}
home/lmsyaran/public_html/libraries/joomla/database/iterator/pdo.php000064400000002643151160557050021763
0ustar00<?php
/**
 * @package     Joomla.Platform
 * @subpackage  Database
 *
 * @copyright   Copyright (C) 2005 - 2020 Open Source Matters, Inc. All
rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE
 */

defined('JPATH_PLATFORM') or die;

/**
 * PDO database iterator.
 *
 * @since  3.0.0
 */
class JDatabaseIteratorPdo extends JDatabaseIterator
{
	/**
	 * Get the number of rows in the result set for the executed SQL given by
the cursor.
	 *
	 * @return  integer  The number of rows in the result set.
	 *
	 * @since   3.0.0
	 * @see     Countable::count()
	 */
	public function count()
	{
		if (!empty($this->cursor) && $this->cursor instanceof
PDOStatement)
		{
			return $this->cursor->rowCount();
		}
		else
		{
			return 0;
		}
	}

	/**
	 * Method to fetch a row from the result set cursor as an object.
	 *
	 * @return  mixed   Either the next row from the result set or false if
there are no more rows.
	 *
	 * @since   3.0.0
	 */
	protected function fetchObject()
	{
		if (!empty($this->cursor) && $this->cursor instanceof
PDOStatement)
		{
			return $this->cursor->fetchObject($this->class);
		}
		else
		{
			return false;
		}
	}

	/**
	 * Method to free up the memory used for the result set.
	 *
	 * @return  void
	 *
	 * @since   3.0.0
	 */
	protected function freeResult()
	{
		if (!empty($this->cursor) && $this->cursor instanceof
PDOStatement)
		{
			$this->cursor->closeCursor();
		}
	}
}
home/lmsyaran/public_html/libraries/joomla/database/query/pdo.php000064400000001706151161212750021272
0ustar00<?php
/**
 * @package     Joomla.Platform
 * @subpackage  Database
 *
 * @copyright   Copyright (C) 2005 - 2020 Open Source Matters, Inc. All
rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE
 */

defined('JPATH_PLATFORM') or die;

/**
 * PDO Query Building Class.
 *
 * @since  3.0.0
 */
class JDatabaseQueryPdo extends JDatabaseQuery
{
	/**
	 * Casts a value to a char.
	 *
	 * Ensure that the value is properly quoted before passing to the method.
	 *
	 * Usage:
	 * $query->select($query->castAsChar('a'));
	 * $query->select($query->castAsChar('a', 40));
	 *
	 * @param   string  $value  The value to cast as a char.
	 *
	 * @param   string  $len    The length of the char.
	 *
	 * @return  string  Returns the cast value.
	 *
	 * @since   1.7.0
	 */
	public function castAsChar($value, $len = null)
	{
		if (!$len)
		{
			return $value;
		}
		else
		{
			return ' CAST(' . $value . ' AS CHAR(' . $len .
'))';
		}
	}
}
home/lmsyaran/public_html/libraries/fof/database/iterator/pdo.php000064400000003047151161332550021250
0ustar00<?php
/**
 * @package     FrameworkOnFramework
 * @subpackage  database
 * @copyright   Copyright (C) 2010-2016 Nicholas K. Dionysopoulos / Akeeba
Ltd. All rights reserved.
 * @license     GNU General Public License version 2 or later; see
LICENSE.txt
 *
 * This file is adapted from the Joomla! Platform. It is used to iterate a
database cursor returning FOFTable objects
 * instead of plain stdClass objects
 */

// Protect from unauthorized access
defined('FOF_INCLUDED') or die;

/**
 * PDO database iterator.
 */
class FOFDatabaseIteratorPdo extends FOFDatabaseIterator
{
	/**
	 * Get the number of rows in the result set for the executed SQL given by
the cursor.
	 *
	 * @return  integer  The number of rows in the result set.
	 *
	 * @see     Countable::count()
	 */
	public function count()
	{
		if (!empty($this->cursor) && $this->cursor instanceof
PDOStatement)
		{
			return @$this->cursor->rowCount();
		}
		else
		{
			return 0;
		}
	}

	/**
	 * Method to fetch a row from the result set cursor as an object.
	 *
	 * @return  mixed   Either the next row from the result set or false if
there are no more rows.
	 */
	protected function fetchObject()
	{
		if (!empty($this->cursor) && $this->cursor instanceof
PDOStatement)
		{
			return @$this->cursor->fetchObject($this->class);
		}
		else
		{
			return false;
		}
	}

	/**
	 * Method to free up the memory used for the result set.
	 *
	 * @return  void
	 */
	protected function freeResult()
	{
		if (!empty($this->cursor) && $this->cursor instanceof
PDOStatement)
		{
			@$this->cursor->closeCursor();
		}
	}
}
home/lmsyaran/public_html/j3/libraries/joomla/database/driver/pdo.php000064400000063740151161576510021751
0ustar00<?php
/**
 * @package     Joomla.Platform
 * @subpackage  Database
 *
 * @copyright   Copyright (C) 2005 - 2020 Open Source Matters, Inc. All
rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE
 */

defined('JPATH_PLATFORM') or die;

/**
 * Joomla Platform PDO Database Driver Class
 *
 * @link   https://www.php.net/pdo
 * @since  3.0.0
 */
abstract class JDatabaseDriverPdo extends JDatabaseDriver
{
	/**
	 * The name of the database driver.
	 *
	 * @var    string
	 * @since  3.0.0
	 */
	public $name = 'pdo';

	/**
	 * @var    PDO  The database connection resource.
	 * @since  3.0.0
	 */
	protected $connection;

	/**
	 * The character(s) used to quote SQL statement names such as table names
or field names,
	 * etc.  The child classes should define this as necessary.  If a single
character string the
	 * same character is used for both sides of the quoted name, else the
first character will be
	 * used for the opening quote and the second for the closing quote.
	 *
	 * @var    string
	 * @since  3.0.0
	 */
	protected $nameQuote = "'";

	/**
	 * The null or zero representation of a timestamp for the database driver.
 This should be
	 * defined in child classes to hold the appropriate value for the engine.
	 *
	 * @var    string
	 * @since  3.0.0
	 */
	protected $nullDate = '0000-00-00 00:00:00';

	/**
	 * @var    resource  The prepared statement.
	 * @since  3.0.0
	 */
	protected $prepared;

	/**
	 * Contains the current query execution status
	 *
	 * @var array
	 * @since 3.0.0
	 */
	protected $executed = false;

	/**
	 * Constructor.
	 *
	 * @param   array  $options  List of options used to configure the
connection
	 *
	 * @since   3.0.0
	 */
	public function __construct($options)
	{
		// Get some basic values from the options.
		$options['driver'] = (isset($options['driver'])) ?
$options['driver'] : 'odbc';
		$options['dsn'] = (isset($options['dsn'])) ?
$options['dsn'] : '';
		$options['host'] = (isset($options['host'])) ?
$options['host'] : 'localhost';
		$options['database'] = (isset($options['database']))
? $options['database'] : '';
		$options['user'] = (isset($options['user'])) ?
$options['user'] : '';
		$options['password'] = (isset($options['password']))
? $options['password'] : '';
		$options['driverOptions'] =
(isset($options['driverOptions'])) ?
$options['driverOptions'] : array();

		$hostParts = explode(':', $options['host']);

		if (!empty($hostParts[1]))
		{
			$options['host'] = $hostParts[0];
			$options['port'] = $hostParts[1];
		}

		// Finalize initialisation
		parent::__construct($options);
	}

	/**
	 * Connects to the database if needed.
	 *
	 * @return  void  Returns void if the database connected successfully.
	 *
	 * @since   3.0.0
	 * @throws  RuntimeException
	 */
	public function connect()
	{
		if ($this->connection)
		{
			return;
		}

		// Make sure the PDO extension for PHP is installed and enabled.
		if (!self::isSupported())
		{
			throw new JDatabaseExceptionUnsupported('PDO Extension is not
available.', 1);
		}

		$replace = array();
		$with = array();

		// Find the correct PDO DSN Format to use:
		switch ($this->options['driver'])
		{
			case 'cubrid':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 33000;

				$format = 'cubrid:host=#HOST#;port=#PORT#;dbname=#DBNAME#';

				$replace = array('#HOST#', '#PORT#',
'#DBNAME#');
				$with = array($this->options['host'],
$this->options['port'],
$this->options['database']);

				break;

			case 'dblib':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 1433;

				$format = 'dblib:host=#HOST#;port=#PORT#;dbname=#DBNAME#';

				$replace = array('#HOST#', '#PORT#',
'#DBNAME#');
				$with = array($this->options['host'],
$this->options['port'],
$this->options['database']);

				break;

			case 'firebird':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 3050;

				$format = 'firebird:dbname=#DBNAME#';

				$replace = array('#DBNAME#');
				$with = array($this->options['database']);

				break;

			case 'ibm':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 56789;

				if (!empty($this->options['dsn']))
				{
					$format = 'ibm:DSN=#DSN#';

					$replace = array('#DSN#');
					$with = array($this->options['dsn']);
				}
				else
				{
					$format =
'ibm:hostname=#HOST#;port=#PORT#;database=#DBNAME#';

					$replace = array('#HOST#', '#PORT#',
'#DBNAME#');
					$with = array($this->options['host'],
$this->options['port'],
$this->options['database']);
				}

				break;

			case 'informix':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 1526;
				$this->options['protocol'] =
(isset($this->options['protocol'])) ?
$this->options['protocol'] : 'onsoctcp';

				if (!empty($this->options['dsn']))
				{
					$format = 'informix:DSN=#DSN#';

					$replace = array('#DSN#');
					$with = array($this->options['dsn']);
				}
				else
				{
					$format =
'informix:host=#HOST#;service=#PORT#;database=#DBNAME#;server=#SERVER#;protocol=#PROTOCOL#';

					$replace = array('#HOST#', '#PORT#',
'#DBNAME#', '#SERVER#', '#PROTOCOL#');
					$with = array($this->options['host'],
$this->options['port'],
$this->options['database'],
$this->options['server'],
$this->options['protocol']);
				}

				break;

			case 'mssql':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 1433;

				$format = 'mssql:host=#HOST#;port=#PORT#;dbname=#DBNAME#';

				$replace = array('#HOST#', '#PORT#',
'#DBNAME#');
				$with = array($this->options['host'],
$this->options['port'],
$this->options['database']);

				break;

			// The pdomysql case is a special case within the CMS environment
			case 'pdomysql':
			case 'mysql':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 3306;

				$format =
'mysql:host=#HOST#;port=#PORT#;dbname=#DBNAME#;charset=#CHARSET#';

				$replace = array('#HOST#', '#PORT#',
'#DBNAME#', '#CHARSET#');
				$with = array($this->options['host'],
$this->options['port'],
$this->options['database'],
$this->options['charset']);

				break;

			case 'oci':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 1521;
				$this->options['charset'] =
(isset($this->options['charset'])) ?
$this->options['charset'] : 'AL32UTF8';

				if (!empty($this->options['dsn']))
				{
					$format = 'oci:dbname=#DSN#';

					$replace = array('#DSN#');
					$with = array($this->options['dsn']);
				}
				else
				{
					$format = 'oci:dbname=//#HOST#:#PORT#/#DBNAME#';

					$replace = array('#HOST#', '#PORT#',
'#DBNAME#');
					$with = array($this->options['host'],
$this->options['port'],
$this->options['database']);
				}

				$format .= ';charset=' .
$this->options['charset'];

				break;

			case 'odbc':
				$format = 'odbc:DSN=#DSN#;UID:#USER#;PWD=#PASSWORD#';

				$replace = array('#DSN#', '#USER#',
'#PASSWORD#');
				$with = array($this->options['dsn'],
$this->options['user'],
$this->options['password']);

				break;

			case 'pgsql':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 5432;

				$format = 'pgsql:host=#HOST#;port=#PORT#;dbname=#DBNAME#';

				$replace = array('#HOST#', '#PORT#',
'#DBNAME#');
				$with = array($this->options['host'],
$this->options['port'],
$this->options['database']);

				break;

			case 'sqlite':
				if (isset($this->options['version']) &&
$this->options['version'] == 2)
				{
					$format = 'sqlite2:#DBNAME#';
				}
				else
				{
					$format = 'sqlite:#DBNAME#';
				}

				$replace = array('#DBNAME#');
				$with = array($this->options['database']);

				break;

			case 'sybase':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 1433;

				$format = 'mssql:host=#HOST#;port=#PORT#;dbname=#DBNAME#';

				$replace = array('#HOST#', '#PORT#',
'#DBNAME#');
				$with = array($this->options['host'],
$this->options['port'],
$this->options['database']);

				break;
		}

		// Create the connection string:
		$connectionString = str_replace($replace, $with, $format);

		try
		{
			$this->connection = new PDO(
				$connectionString,
				$this->options['user'],
				$this->options['password'],
				$this->options['driverOptions']
			);
		}
		catch (PDOException $e)
		{
			throw new JDatabaseExceptionConnecting('Could not connect to PDO:
' . $e->getMessage(), 2, $e);
		}
	}

	/**
	 * Disconnects the database.
	 *
	 * @return  void
	 *
	 * @since   3.0.0
	 */
	public function disconnect()
	{
		foreach ($this->disconnectHandlers as $h)
		{
			call_user_func_array($h, array( &$this));
		}

		$this->freeResult();
		$this->connection = null;
	}

	/**
	 * Method to escape a string for usage in an SQL statement.
	 *
	 * Oracle escaping reference:
	 *
http://www.orafaq.com/wiki/SQL_FAQ#How_does_one_escape_special_characters_when_writing_SQL_queries.3F
	 *
	 * SQLite escaping notes:
	 * http://www.sqlite.org/faq.html#q14
	 *
	 * Method body is as implemented by the Zend Framework
	 *
	 * Note: Using query objects with bound variables is
	 * preferable to the below.
	 *
	 * @param   string   $text   The string to be escaped.
	 * @param   boolean  $extra  Unused optional parameter to provide extra
escaping.
	 *
	 * @return  string  The escaped string.
	 *
	 * @since   3.0.0
	 */
	public function escape($text, $extra = false)
	{
		if (is_int($text))
		{
			return $text;
		}

		if (is_float($text))
		{
			// Force the dot as a decimal point.
			return str_replace(',', '.', $text);
		}

		$text = str_replace("'", "''", $text);

		return addcslashes($text, "\000\n\r\\\032");
	}

	/**
	 * Execute the SQL statement.
	 *
	 * @return  mixed  A database cursor resource on success, boolean false on
failure.
	 *
	 * @since   3.0.0
	 * @throws  RuntimeException
	 * @throws  Exception
	 */
	public function execute()
	{
		$this->connect();

		// Take a local copy so that we don't modify the original query and
cause issues later
		$query = $this->replacePrefix((string) $this->sql);

		if (!is_object($this->connection))
		{
			JLog::add(JText::sprintf('JLIB_DATABASE_QUERY_FAILED',
$this->errorNum, $this->errorMsg), JLog::ERROR,
'database');
			throw new JDatabaseExceptionExecuting($query, $this->errorMsg,
$this->errorNum);
		}

		// Increment the query counter.
		$this->count++;

		// Reset the error values.
		$this->errorNum = 0;
		$this->errorMsg = '';

		// If debugging is enabled then let's log the query.
		if ($this->debug)
		{
			// Add the query to the object queue.
			$this->log[] = $query;

			JLog::add($query, JLog::DEBUG, 'databasequery');

			$this->timings[] = microtime(true);
		}

		// Execute the query.
		$this->executed = false;

		if ($this->prepared instanceof PDOStatement)
		{
			// Bind the variables:
			if ($this->sql instanceof JDatabaseQueryPreparable)
			{
				$bounded = $this->sql->getBounded();

				foreach ($bounded as $key => $obj)
				{
					$this->prepared->bindParam($key, $obj->value,
$obj->dataType, $obj->length, $obj->driverOptions);
				}
			}

			$this->executed = $this->prepared->execute();
		}

		if ($this->debug)
		{
			$this->timings[] = microtime(true);

			if (defined('DEBUG_BACKTRACE_IGNORE_ARGS'))
			{
				$this->callStacks[] = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
			}
			else
			{
				$this->callStacks[] = debug_backtrace();
			}
		}

		// If an error occurred handle it.
		if (!$this->executed)
		{
			// Get the error number and message before we execute any more queries.
			$errorNum = $this->getErrorNumber();
			$errorMsg = $this->getErrorMessage();

			// Check if the server was disconnected.
			if (!$this->connected())
			{
				try
				{
					// Attempt to reconnect.
					$this->connection = null;
					$this->connect();
				}
				// If connect fails, ignore that exception and throw the normal
exception.
				catch (RuntimeException $e)
				{
					// Get the error number and message.
					$this->errorNum = $this->getErrorNumber();
					$this->errorMsg = $this->getErrorMessage();

					// Throw the normal query exception.
					JLog::add(JText::sprintf('JLIB_DATABASE_QUERY_FAILED',
$this->errorNum, $this->errorMsg), JLog::ERROR,
'database-error');

					throw new JDatabaseExceptionExecuting($query, $this->errorMsg,
$this->errorNum, $e);
				}

				// Since we were able to reconnect, run the query again.
				return $this->execute();
			}
			// The server was not disconnected.
			else
			{
				// Get the error number and message from before we tried to reconnect.
				$this->errorNum = $errorNum;
				$this->errorMsg = $errorMsg;

				// Throw the normal query exception.
				JLog::add(JText::sprintf('JLIB_DATABASE_QUERY_FAILED',
$this->errorNum, $this->errorMsg), JLog::ERROR,
'database-error');

				throw new JDatabaseExceptionExecuting($query, $this->errorMsg,
$this->errorNum);
			}
		}

		return $this->prepared;
	}

	/**
	 * Retrieve a PDO database connection attribute
	 *
	 * Usage: $db->getOption(PDO::ATTR_CASE);
	 *
	 * @param   mixed  $key  One of the PDO::ATTR_* Constants
	 *
	 * @return  mixed
	 *
	 * @link    https://www.php.net/manual/en/pdo.getattribute.php
	 * @since   3.0.0
	 */
	public function getOption($key)
	{
		$this->connect();

		return $this->connection->getAttribute($key);
	}

	/**
	 * Get a query to run and verify the database is operational.
	 *
	 * @return  string  The query to check the health of the DB.
	 *
	 * @since   3.0.1
	 */
	public function getConnectedQuery()
	{
		return 'SELECT 1';
	}

	/**
	 * Get the version of the database connector.
	 *
	 * @return  string  The database connector version.
	 *
	 * @since   3.9.0
	 */
	public function getVersion()
	{
		$this->connect();

		return $this->getOption(PDO::ATTR_SERVER_VERSION);
	}

	/**
	 * Sets an attribute on the PDO database handle.
	 *
	 * Usage: $db->setOption(PDO::ATTR_CASE, PDO::CASE_UPPER);
	 *
	 * @param   integer  $key    One of the PDO::ATTR_* Constants
	 * @param   mixed    $value  One of the associated PDO Constants related
to the particular attribute key.
	 *
	 * @return  boolean
	 *
	 * @link   https://www.php.net/manual/en/pdo.setattribute.php
	 * @since   3.0.0
	 */
	public function setOption($key, $value)
	{
		$this->connect();

		return $this->connection->setAttribute($key, $value);
	}

	/**
	 * Test to see if the PDO extension is available.
	 * Override as needed to check for specific PDO Drivers.
	 *
	 * @return  boolean  True on success, false otherwise.
	 *
	 * @since   3.0.0
	 */
	public static function isSupported()
	{
		return defined('PDO::ATTR_DRIVER_NAME');
	}

	/**
	 * Determines if the connection to the server is active.
	 *
	 * @return  boolean  True if connected to the database engine.
	 *
	 * @since   3.0.0
	 */
	public function connected()
	{
		// Flag to prevent recursion into this function.
		static $checkingConnected = false;

		if ($checkingConnected)
		{
			// Reset this flag and throw an exception.
			$checkingConnected = true;
			die('Recursion trying to check if connected.');
		}

		// Backup the query state.
		$query = $this->sql;
		$limit = $this->limit;
		$offset = $this->offset;
		$prepared = $this->prepared;

		try
		{
			// Set the checking connection flag.
			$checkingConnected = true;

			// Run a simple query to check the connection.
			$this->setQuery($this->getConnectedQuery());
			$status = (bool) $this->loadResult();
		}
		// If we catch an exception here, we must not be connected.
		catch (Exception $e)
		{
			$status = false;
		}

		// Restore the query state.
		$this->sql = $query;
		$this->limit = $limit;
		$this->offset = $offset;
		$this->prepared = $prepared;
		$checkingConnected = false;

		return $status;
	}

	/**
	 * Get the number of affected rows for the previous executed SQL
statement.
	 * Only applicable for DELETE, INSERT, or UPDATE statements.
	 *
	 * @return  integer  The number of affected rows.
	 *
	 * @since   3.0.0
	 */
	public function getAffectedRows()
	{
		$this->connect();

		if ($this->prepared instanceof PDOStatement)
		{
			return $this->prepared->rowCount();
		}
		else
		{
			return 0;
		}
	}

	/**
	 * Get the number of returned rows for the previous executed SQL
statement.
	 * Only applicable for DELETE, INSERT, or UPDATE statements.
	 *
	 * @param   resource  $cursor  An optional database cursor resource to
extract the row count from.
	 *
	 * @return  integer   The number of returned rows.
	 *
	 * @since   3.0.0
	 */
	public function getNumRows($cursor = null)
	{
		$this->connect();

		if ($cursor instanceof PDOStatement)
		{
			return $cursor->rowCount();
		}
		elseif ($this->prepared instanceof PDOStatement)
		{
			return $this->prepared->rowCount();
		}
		else
		{
			return 0;
		}
	}

	/**
	 * Method to get the auto-incremented value from the last INSERT
statement.
	 *
	 * @return  string  The value of the auto-increment field from the last
inserted row.
	 *
	 * @since   3.0.0
	 */
	public function insertid()
	{
		$this->connect();

		// Error suppress this to prevent PDO warning us that the driver
doesn't support this operation.
		return @$this->connection->lastInsertId();
	}

	/**
	 * Select a database for use.
	 *
	 * @param   string  $database  The name of the database to select for use.
	 *
	 * @return  boolean  True if the database was successfully selected.
	 *
	 * @since   3.0.0
	 * @throws  RuntimeException
	 */
	public function select($database)
	{
		$this->connect();

		return true;
	}

	/**
	 * Sets the SQL statement string for later execution.
	 *
	 * @param   mixed    $query          The SQL statement to set either as a
JDatabaseQuery object or a string.
	 * @param   integer  $offset         The affected row offset to set.
	 * @param   integer  $limit          The maximum affected rows to set.
	 * @param   array    $driverOptions  The optional PDO driver options.
	 *
	 * @return  JDatabaseDriver  This object to support method chaining.
	 *
	 * @since   3.0.0
	 */
	public function setQuery($query, $offset = null, $limit = null,
$driverOptions = array())
	{
		$this->connect();

		$this->freeResult();

		if (is_string($query))
		{
			// Allows taking advantage of bound variables in a direct query:
			$query = $this->getQuery(true)->setQuery($query);
		}

		if ($query instanceof JDatabaseQueryLimitable &&
!is_null($offset) && !is_null($limit))
		{
			$query = $query->processLimit($query, $limit, $offset);
		}

		// Create a stringified version of the query (with prefixes replaced):
		$sql = $this->replacePrefix((string) $query);

		// Use the stringified version in the prepare call:
		$this->prepared = $this->connection->prepare($sql,
$driverOptions);

		// Store reference to the original JDatabaseQuery instance within the
class.
		// This is important since binding variables depends on it within
execute():
		parent::setQuery($query, $offset, $limit);

		return $this;
	}

	/**
	 * Set the connection to use UTF-8 character encoding.
	 *
	 * @return  boolean  True on success.
	 *
	 * @since   3.0.0
	 */
	public function setUtf()
	{
		return false;
	}

	/**
	 * Method to commit a transaction.
	 *
	 * @param   boolean  $toSavepoint  If true, commit to the last savepoint.
	 *
	 * @return  void
	 *
	 * @since   3.0.0
	 * @throws  RuntimeException
	 */
	public function transactionCommit($toSavepoint = false)
	{
		$this->connect();

		if (!$toSavepoint || $this->transactionDepth == 1)
		{
			$this->connection->commit();
		}

		$this->transactionDepth--;
	}

	/**
	 * Method to roll back a transaction.
	 *
	 * @param   boolean  $toSavepoint  If true, rollback to the last
savepoint.
	 *
	 * @return  void
	 *
	 * @since   3.0.0
	 * @throws  RuntimeException
	 */
	public function transactionRollback($toSavepoint = false)
	{
		$this->connect();

		if (!$toSavepoint || $this->transactionDepth == 1)
		{
			$this->connection->rollBack();
		}

		$this->transactionDepth--;
	}

	/**
	 * Method to initialize a transaction.
	 *
	 * @param   boolean  $asSavepoint  If true and a transaction is already
active, a savepoint will be created.
	 *
	 * @return  void
	 *
	 * @since   3.0.0
	 * @throws  RuntimeException
	 */
	public function transactionStart($asSavepoint = false)
	{
		$this->connect();

		if (!$asSavepoint || !$this->transactionDepth)
		{
			$this->connection->beginTransaction();
		}

		$this->transactionDepth++;
	}

	/**
	 * Method to fetch a row from the result set cursor as an array.
	 *
	 * @param   mixed  $cursor  The optional result set cursor from which to
fetch the row.
	 *
	 * @return  mixed  Either the next row from the result set or false if
there are no more rows.
	 *
	 * @since   3.0.0
	 */
	protected function fetchArray($cursor = null)
	{
		if (!empty($cursor) && $cursor instanceof PDOStatement)
		{
			return $cursor->fetch(PDO::FETCH_NUM);
		}

		if ($this->prepared instanceof PDOStatement)
		{
			return $this->prepared->fetch(PDO::FETCH_NUM);
		}
	}

	/**
	 * Method to fetch a row from the result set cursor as an associative
array.
	 *
	 * @param   mixed  $cursor  The optional result set cursor from which to
fetch the row.
	 *
	 * @return  mixed  Either the next row from the result set or false if
there are no more rows.
	 *
	 * @since   3.0.0
	 */
	protected function fetchAssoc($cursor = null)
	{
		if (!empty($cursor) && $cursor instanceof PDOStatement)
		{
			return $cursor->fetch(PDO::FETCH_ASSOC);
		}

		if ($this->prepared instanceof PDOStatement)
		{
			return $this->prepared->fetch(PDO::FETCH_ASSOC);
		}
	}

	/**
	 * Method to fetch a row from the result set cursor as an object.
	 *
	 * @param   mixed   $cursor  The optional result set cursor from which to
fetch the row.
	 * @param   string  $class   Unused, only necessary so method signature
will be the same as parent.
	 *
	 * @return  mixed   Either the next row from the result set or false if
there are no more rows.
	 *
	 * @since   3.0.0
	 */
	protected function fetchObject($cursor = null, $class =
'stdClass')
	{
		if (!empty($cursor) && $cursor instanceof PDOStatement)
		{
			return $cursor->fetchObject($class);
		}

		if ($this->prepared instanceof PDOStatement)
		{
			return $this->prepared->fetchObject($class);
		}
	}

	/**
	 * Method to free up the memory used for the result set.
	 *
	 * @param   mixed  $cursor  The optional result set cursor from which to
fetch the row.
	 *
	 * @return  void
	 *
	 * @since   3.0.0
	 */
	protected function freeResult($cursor = null)
	{
		$this->executed = false;

		if ($cursor instanceof PDOStatement)
		{
			$cursor->closeCursor();
			$cursor = null;
		}

		if ($this->prepared instanceof PDOStatement)
		{
			$this->prepared->closeCursor();
			$this->prepared = null;
		}
	}

	/**
	 * Method to get the next row in the result set from the database query as
an object.
	 *
	 * @param   string  $class  The class name to use for the returned row
object.
	 *
	 * @return  mixed   The result of the query as an array, false if there
are no more rows.
	 *
	 * @since   3.0.0
	 * @throws  RuntimeException
	 * @deprecated  4.0 (CMS)  Use getIterator() instead
	 */
	public function loadNextObject($class = 'stdClass')
	{
		JLog::add(__METHOD__ . '() is deprecated. Use
JDatabaseDriver::getIterator() instead.', JLog::WARNING,
'deprecated');
		$this->connect();

		// Execute the query and get the result set cursor.
		if (!$this->executed)
		{
			if (!($this->execute()))
			{
				return $this->errorNum ? null : false;
			}
		}

		// Get the next row from the result set as an object of type $class.
		if ($row = $this->fetchObject(null, $class))
		{
			return $row;
		}

		// Free up system resources and return.
		$this->freeResult();

		return false;
	}

	/**
	 * Method to get the next row in the result set from the database query as
an array.
	 *
	 * @return  mixed  The result of the query as an array, false if there are
no more rows.
	 *
	 * @since   3.0.0
	 * @throws  RuntimeException
	 */
	public function loadNextAssoc()
	{
		$this->connect();

		// Execute the query and get the result set cursor.
		if (!$this->executed)
		{
			if (!($this->execute()))
			{
				return $this->errorNum ? null : false;
			}
		}

		// Get the next row from the result set as an object of type $class.
		if ($row = $this->fetchAssoc())
		{
			return $row;
		}

		// Free up system resources and return.
		$this->freeResult();

		return false;
	}

	/**
	 * Method to get the next row in the result set from the database query as
an array.
	 *
	 * @return  mixed  The result of the query as an array, false if there are
no more rows.
	 *
	 * @since   3.0.0
	 * @throws  RuntimeException
	 * @deprecated  4.0 (CMS)  Use getIterator() instead
	 */
	public function loadNextRow()
	{
		JLog::add(__METHOD__ . '() is deprecated. Use
JDatabaseDriver::getIterator() instead.', JLog::WARNING,
'deprecated');
		$this->connect();

		// Execute the query and get the result set cursor.
		if (!$this->executed)
		{
			if (!($this->execute()))
			{
				return $this->errorNum ? null : false;
			}
		}

		// Get the next row from the result set as an object of type $class.
		if ($row = $this->fetchArray())
		{
			return $row;
		}

		// Free up system resources and return.
		$this->freeResult();

		return false;
	}

	/**
	 * PDO does not support serialize
	 *
	 * @return  array
	 *
	 * @since   3.1.4
	 */
	public function __sleep()
	{
		$serializedProperties = array();

		$reflect = new ReflectionClass($this);

		// Get properties of the current class
		$properties = $reflect->getProperties();

		foreach ($properties as $property)
		{
			// Do not serialize properties that are PDO
			if ($property->isStatic() == false &&
!($this->{$property->name} instanceof PDO))
			{
				$serializedProperties[] = $property->name;
			}
		}

		return $serializedProperties;
	}

	/**
	 * Wake up after serialization
	 *
	 * @return  array
	 *
	 * @since   3.1.4
	 */
	public function __wakeup()
	{
		// Get connection back
		$this->__construct($this->options);
	}

	/**
	 * Return the actual SQL Error number
	 *
	 * @return  integer  The SQL Error number
	 *
	 * @since   3.4.6
	 */
	protected function getErrorNumber()
	{
		return (int) $this->connection->errorCode();
	}

	/**
	 * Return the actual SQL Error message
	 *
	 * @return  string  The SQL Error message
	 *
	 * @since   3.4.6
	 */
	protected function getErrorMessage()
	{
		// The SQL Error Information
		$errorInfo = implode(', ',
$this->connection->errorInfo());

		// Replace the Databaseprefix with `#__` if we are not in Debug
		if (!$this->debug)
		{
			$errorInfo = str_replace($this->tablePrefix, '#__',
$errorInfo);
		}

		return $errorInfo;
	}
}
home/lmsyaran/public_html/j3/htaccess.back/fof/database/query/pdo.php000064400000001123151161664220021613
0ustar00<?php
/**
 * @package     FrameworkOnFramework
 * @subpackage  database
 * @copyright   Copyright (C) 2010-2016 Nicholas K. Dionysopoulos / Akeeba
Ltd. All rights reserved.
 * @license     GNU General Public License version 2 or later; see
LICENSE.txt
 *
 * This file is adapted from the Joomla! Platform. It is used to iterate a
database cursor returning FOFTable objects
 * instead of plain stdClass objects
 */

// Protect from unauthorized access
defined('FOF_INCLUDED') or die;

/**
 * PDO Query Building Class.
 *
 * @since  12.1
 */
class FOFDatabaseQueryPdo extends FOFDatabaseQuery
{
}
home/lmsyaran/public_html/libraries/joomla/database/driver/pdo.php000064400000063740151162307460021432
0ustar00<?php
/**
 * @package     Joomla.Platform
 * @subpackage  Database
 *
 * @copyright   Copyright (C) 2005 - 2020 Open Source Matters, Inc. All
rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE
 */

defined('JPATH_PLATFORM') or die;

/**
 * Joomla Platform PDO Database Driver Class
 *
 * @link   https://www.php.net/pdo
 * @since  3.0.0
 */
abstract class JDatabaseDriverPdo extends JDatabaseDriver
{
	/**
	 * The name of the database driver.
	 *
	 * @var    string
	 * @since  3.0.0
	 */
	public $name = 'pdo';

	/**
	 * @var    PDO  The database connection resource.
	 * @since  3.0.0
	 */
	protected $connection;

	/**
	 * The character(s) used to quote SQL statement names such as table names
or field names,
	 * etc.  The child classes should define this as necessary.  If a single
character string the
	 * same character is used for both sides of the quoted name, else the
first character will be
	 * used for the opening quote and the second for the closing quote.
	 *
	 * @var    string
	 * @since  3.0.0
	 */
	protected $nameQuote = "'";

	/**
	 * The null or zero representation of a timestamp for the database driver.
 This should be
	 * defined in child classes to hold the appropriate value for the engine.
	 *
	 * @var    string
	 * @since  3.0.0
	 */
	protected $nullDate = '0000-00-00 00:00:00';

	/**
	 * @var    resource  The prepared statement.
	 * @since  3.0.0
	 */
	protected $prepared;

	/**
	 * Contains the current query execution status
	 *
	 * @var array
	 * @since 3.0.0
	 */
	protected $executed = false;

	/**
	 * Constructor.
	 *
	 * @param   array  $options  List of options used to configure the
connection
	 *
	 * @since   3.0.0
	 */
	public function __construct($options)
	{
		// Get some basic values from the options.
		$options['driver'] = (isset($options['driver'])) ?
$options['driver'] : 'odbc';
		$options['dsn'] = (isset($options['dsn'])) ?
$options['dsn'] : '';
		$options['host'] = (isset($options['host'])) ?
$options['host'] : 'localhost';
		$options['database'] = (isset($options['database']))
? $options['database'] : '';
		$options['user'] = (isset($options['user'])) ?
$options['user'] : '';
		$options['password'] = (isset($options['password']))
? $options['password'] : '';
		$options['driverOptions'] =
(isset($options['driverOptions'])) ?
$options['driverOptions'] : array();

		$hostParts = explode(':', $options['host']);

		if (!empty($hostParts[1]))
		{
			$options['host'] = $hostParts[0];
			$options['port'] = $hostParts[1];
		}

		// Finalize initialisation
		parent::__construct($options);
	}

	/**
	 * Connects to the database if needed.
	 *
	 * @return  void  Returns void if the database connected successfully.
	 *
	 * @since   3.0.0
	 * @throws  RuntimeException
	 */
	public function connect()
	{
		if ($this->connection)
		{
			return;
		}

		// Make sure the PDO extension for PHP is installed and enabled.
		if (!self::isSupported())
		{
			throw new JDatabaseExceptionUnsupported('PDO Extension is not
available.', 1);
		}

		$replace = array();
		$with = array();

		// Find the correct PDO DSN Format to use:
		switch ($this->options['driver'])
		{
			case 'cubrid':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 33000;

				$format = 'cubrid:host=#HOST#;port=#PORT#;dbname=#DBNAME#';

				$replace = array('#HOST#', '#PORT#',
'#DBNAME#');
				$with = array($this->options['host'],
$this->options['port'],
$this->options['database']);

				break;

			case 'dblib':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 1433;

				$format = 'dblib:host=#HOST#;port=#PORT#;dbname=#DBNAME#';

				$replace = array('#HOST#', '#PORT#',
'#DBNAME#');
				$with = array($this->options['host'],
$this->options['port'],
$this->options['database']);

				break;

			case 'firebird':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 3050;

				$format = 'firebird:dbname=#DBNAME#';

				$replace = array('#DBNAME#');
				$with = array($this->options['database']);

				break;

			case 'ibm':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 56789;

				if (!empty($this->options['dsn']))
				{
					$format = 'ibm:DSN=#DSN#';

					$replace = array('#DSN#');
					$with = array($this->options['dsn']);
				}
				else
				{
					$format =
'ibm:hostname=#HOST#;port=#PORT#;database=#DBNAME#';

					$replace = array('#HOST#', '#PORT#',
'#DBNAME#');
					$with = array($this->options['host'],
$this->options['port'],
$this->options['database']);
				}

				break;

			case 'informix':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 1526;
				$this->options['protocol'] =
(isset($this->options['protocol'])) ?
$this->options['protocol'] : 'onsoctcp';

				if (!empty($this->options['dsn']))
				{
					$format = 'informix:DSN=#DSN#';

					$replace = array('#DSN#');
					$with = array($this->options['dsn']);
				}
				else
				{
					$format =
'informix:host=#HOST#;service=#PORT#;database=#DBNAME#;server=#SERVER#;protocol=#PROTOCOL#';

					$replace = array('#HOST#', '#PORT#',
'#DBNAME#', '#SERVER#', '#PROTOCOL#');
					$with = array($this->options['host'],
$this->options['port'],
$this->options['database'],
$this->options['server'],
$this->options['protocol']);
				}

				break;

			case 'mssql':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 1433;

				$format = 'mssql:host=#HOST#;port=#PORT#;dbname=#DBNAME#';

				$replace = array('#HOST#', '#PORT#',
'#DBNAME#');
				$with = array($this->options['host'],
$this->options['port'],
$this->options['database']);

				break;

			// The pdomysql case is a special case within the CMS environment
			case 'pdomysql':
			case 'mysql':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 3306;

				$format =
'mysql:host=#HOST#;port=#PORT#;dbname=#DBNAME#;charset=#CHARSET#';

				$replace = array('#HOST#', '#PORT#',
'#DBNAME#', '#CHARSET#');
				$with = array($this->options['host'],
$this->options['port'],
$this->options['database'],
$this->options['charset']);

				break;

			case 'oci':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 1521;
				$this->options['charset'] =
(isset($this->options['charset'])) ?
$this->options['charset'] : 'AL32UTF8';

				if (!empty($this->options['dsn']))
				{
					$format = 'oci:dbname=#DSN#';

					$replace = array('#DSN#');
					$with = array($this->options['dsn']);
				}
				else
				{
					$format = 'oci:dbname=//#HOST#:#PORT#/#DBNAME#';

					$replace = array('#HOST#', '#PORT#',
'#DBNAME#');
					$with = array($this->options['host'],
$this->options['port'],
$this->options['database']);
				}

				$format .= ';charset=' .
$this->options['charset'];

				break;

			case 'odbc':
				$format = 'odbc:DSN=#DSN#;UID:#USER#;PWD=#PASSWORD#';

				$replace = array('#DSN#', '#USER#',
'#PASSWORD#');
				$with = array($this->options['dsn'],
$this->options['user'],
$this->options['password']);

				break;

			case 'pgsql':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 5432;

				$format = 'pgsql:host=#HOST#;port=#PORT#;dbname=#DBNAME#';

				$replace = array('#HOST#', '#PORT#',
'#DBNAME#');
				$with = array($this->options['host'],
$this->options['port'],
$this->options['database']);

				break;

			case 'sqlite':
				if (isset($this->options['version']) &&
$this->options['version'] == 2)
				{
					$format = 'sqlite2:#DBNAME#';
				}
				else
				{
					$format = 'sqlite:#DBNAME#';
				}

				$replace = array('#DBNAME#');
				$with = array($this->options['database']);

				break;

			case 'sybase':
				$this->options['port'] =
(isset($this->options['port'])) ?
$this->options['port'] : 1433;

				$format = 'mssql:host=#HOST#;port=#PORT#;dbname=#DBNAME#';

				$replace = array('#HOST#', '#PORT#',
'#DBNAME#');
				$with = array($this->options['host'],
$this->options['port'],
$this->options['database']);

				break;
		}

		// Create the connection string:
		$connectionString = str_replace($replace, $with, $format);

		try
		{
			$this->connection = new PDO(
				$connectionString,
				$this->options['user'],
				$this->options['password'],
				$this->options['driverOptions']
			);
		}
		catch (PDOException $e)
		{
			throw new JDatabaseExceptionConnecting('Could not connect to PDO:
' . $e->getMessage(), 2, $e);
		}
	}

	/**
	 * Disconnects the database.
	 *
	 * @return  void
	 *
	 * @since   3.0.0
	 */
	public function disconnect()
	{
		foreach ($this->disconnectHandlers as $h)
		{
			call_user_func_array($h, array( &$this));
		}

		$this->freeResult();
		$this->connection = null;
	}

	/**
	 * Method to escape a string for usage in an SQL statement.
	 *
	 * Oracle escaping reference:
	 *
http://www.orafaq.com/wiki/SQL_FAQ#How_does_one_escape_special_characters_when_writing_SQL_queries.3F
	 *
	 * SQLite escaping notes:
	 * http://www.sqlite.org/faq.html#q14
	 *
	 * Method body is as implemented by the Zend Framework
	 *
	 * Note: Using query objects with bound variables is
	 * preferable to the below.
	 *
	 * @param   string   $text   The string to be escaped.
	 * @param   boolean  $extra  Unused optional parameter to provide extra
escaping.
	 *
	 * @return  string  The escaped string.
	 *
	 * @since   3.0.0
	 */
	public function escape($text, $extra = false)
	{
		if (is_int($text))
		{
			return $text;
		}

		if (is_float($text))
		{
			// Force the dot as a decimal point.
			return str_replace(',', '.', $text);
		}

		$text = str_replace("'", "''", $text);

		return addcslashes($text, "\000\n\r\\\032");
	}

	/**
	 * Execute the SQL statement.
	 *
	 * @return  mixed  A database cursor resource on success, boolean false on
failure.
	 *
	 * @since   3.0.0
	 * @throws  RuntimeException
	 * @throws  Exception
	 */
	public function execute()
	{
		$this->connect();

		// Take a local copy so that we don't modify the original query and
cause issues later
		$query = $this->replacePrefix((string) $this->sql);

		if (!is_object($this->connection))
		{
			JLog::add(JText::sprintf('JLIB_DATABASE_QUERY_FAILED',
$this->errorNum, $this->errorMsg), JLog::ERROR,
'database');
			throw new JDatabaseExceptionExecuting($query, $this->errorMsg,
$this->errorNum);
		}

		// Increment the query counter.
		$this->count++;

		// Reset the error values.
		$this->errorNum = 0;
		$this->errorMsg = '';

		// If debugging is enabled then let's log the query.
		if ($this->debug)
		{
			// Add the query to the object queue.
			$this->log[] = $query;

			JLog::add($query, JLog::DEBUG, 'databasequery');

			$this->timings[] = microtime(true);
		}

		// Execute the query.
		$this->executed = false;

		if ($this->prepared instanceof PDOStatement)
		{
			// Bind the variables:
			if ($this->sql instanceof JDatabaseQueryPreparable)
			{
				$bounded = $this->sql->getBounded();

				foreach ($bounded as $key => $obj)
				{
					$this->prepared->bindParam($key, $obj->value,
$obj->dataType, $obj->length, $obj->driverOptions);
				}
			}

			$this->executed = $this->prepared->execute();
		}

		if ($this->debug)
		{
			$this->timings[] = microtime(true);

			if (defined('DEBUG_BACKTRACE_IGNORE_ARGS'))
			{
				$this->callStacks[] = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
			}
			else
			{
				$this->callStacks[] = debug_backtrace();
			}
		}

		// If an error occurred handle it.
		if (!$this->executed)
		{
			// Get the error number and message before we execute any more queries.
			$errorNum = $this->getErrorNumber();
			$errorMsg = $this->getErrorMessage();

			// Check if the server was disconnected.
			if (!$this->connected())
			{
				try
				{
					// Attempt to reconnect.
					$this->connection = null;
					$this->connect();
				}
				// If connect fails, ignore that exception and throw the normal
exception.
				catch (RuntimeException $e)
				{
					// Get the error number and message.
					$this->errorNum = $this->getErrorNumber();
					$this->errorMsg = $this->getErrorMessage();

					// Throw the normal query exception.
					JLog::add(JText::sprintf('JLIB_DATABASE_QUERY_FAILED',
$this->errorNum, $this->errorMsg), JLog::ERROR,
'database-error');

					throw new JDatabaseExceptionExecuting($query, $this->errorMsg,
$this->errorNum, $e);
				}

				// Since we were able to reconnect, run the query again.
				return $this->execute();
			}
			// The server was not disconnected.
			else
			{
				// Get the error number and message from before we tried to reconnect.
				$this->errorNum = $errorNum;
				$this->errorMsg = $errorMsg;

				// Throw the normal query exception.
				JLog::add(JText::sprintf('JLIB_DATABASE_QUERY_FAILED',
$this->errorNum, $this->errorMsg), JLog::ERROR,
'database-error');

				throw new JDatabaseExceptionExecuting($query, $this->errorMsg,
$this->errorNum);
			}
		}

		return $this->prepared;
	}

	/**
	 * Retrieve a PDO database connection attribute
	 *
	 * Usage: $db->getOption(PDO::ATTR_CASE);
	 *
	 * @param   mixed  $key  One of the PDO::ATTR_* Constants
	 *
	 * @return  mixed
	 *
	 * @link    https://www.php.net/manual/en/pdo.getattribute.php
	 * @since   3.0.0
	 */
	public function getOption($key)
	{
		$this->connect();

		return $this->connection->getAttribute($key);
	}

	/**
	 * Get a query to run and verify the database is operational.
	 *
	 * @return  string  The query to check the health of the DB.
	 *
	 * @since   3.0.1
	 */
	public function getConnectedQuery()
	{
		return 'SELECT 1';
	}

	/**
	 * Get the version of the database connector.
	 *
	 * @return  string  The database connector version.
	 *
	 * @since   3.9.0
	 */
	public function getVersion()
	{
		$this->connect();

		return $this->getOption(PDO::ATTR_SERVER_VERSION);
	}

	/**
	 * Sets an attribute on the PDO database handle.
	 *
	 * Usage: $db->setOption(PDO::ATTR_CASE, PDO::CASE_UPPER);
	 *
	 * @param   integer  $key    One of the PDO::ATTR_* Constants
	 * @param   mixed    $value  One of the associated PDO Constants related
to the particular attribute key.
	 *
	 * @return  boolean
	 *
	 * @link   https://www.php.net/manual/en/pdo.setattribute.php
	 * @since   3.0.0
	 */
	public function setOption($key, $value)
	{
		$this->connect();

		return $this->connection->setAttribute($key, $value);
	}

	/**
	 * Test to see if the PDO extension is available.
	 * Override as needed to check for specific PDO Drivers.
	 *
	 * @return  boolean  True on success, false otherwise.
	 *
	 * @since   3.0.0
	 */
	public static function isSupported()
	{
		return defined('PDO::ATTR_DRIVER_NAME');
	}

	/**
	 * Determines if the connection to the server is active.
	 *
	 * @return  boolean  True if connected to the database engine.
	 *
	 * @since   3.0.0
	 */
	public function connected()
	{
		// Flag to prevent recursion into this function.
		static $checkingConnected = false;

		if ($checkingConnected)
		{
			// Reset this flag and throw an exception.
			$checkingConnected = true;
			die('Recursion trying to check if connected.');
		}

		// Backup the query state.
		$query = $this->sql;
		$limit = $this->limit;
		$offset = $this->offset;
		$prepared = $this->prepared;

		try
		{
			// Set the checking connection flag.
			$checkingConnected = true;

			// Run a simple query to check the connection.
			$this->setQuery($this->getConnectedQuery());
			$status = (bool) $this->loadResult();
		}
		// If we catch an exception here, we must not be connected.
		catch (Exception $e)
		{
			$status = false;
		}

		// Restore the query state.
		$this->sql = $query;
		$this->limit = $limit;
		$this->offset = $offset;
		$this->prepared = $prepared;
		$checkingConnected = false;

		return $status;
	}

	/**
	 * Get the number of affected rows for the previous executed SQL
statement.
	 * Only applicable for DELETE, INSERT, or UPDATE statements.
	 *
	 * @return  integer  The number of affected rows.
	 *
	 * @since   3.0.0
	 */
	public function getAffectedRows()
	{
		$this->connect();

		if ($this->prepared instanceof PDOStatement)
		{
			return $this->prepared->rowCount();
		}
		else
		{
			return 0;
		}
	}

	/**
	 * Get the number of returned rows for the previous executed SQL
statement.
	 * Only applicable for DELETE, INSERT, or UPDATE statements.
	 *
	 * @param   resource  $cursor  An optional database cursor resource to
extract the row count from.
	 *
	 * @return  integer   The number of returned rows.
	 *
	 * @since   3.0.0
	 */
	public function getNumRows($cursor = null)
	{
		$this->connect();

		if ($cursor instanceof PDOStatement)
		{
			return $cursor->rowCount();
		}
		elseif ($this->prepared instanceof PDOStatement)
		{
			return $this->prepared->rowCount();
		}
		else
		{
			return 0;
		}
	}

	/**
	 * Method to get the auto-incremented value from the last INSERT
statement.
	 *
	 * @return  string  The value of the auto-increment field from the last
inserted row.
	 *
	 * @since   3.0.0
	 */
	public function insertid()
	{
		$this->connect();

		// Error suppress this to prevent PDO warning us that the driver
doesn't support this operation.
		return @$this->connection->lastInsertId();
	}

	/**
	 * Select a database for use.
	 *
	 * @param   string  $database  The name of the database to select for use.
	 *
	 * @return  boolean  True if the database was successfully selected.
	 *
	 * @since   3.0.0
	 * @throws  RuntimeException
	 */
	public function select($database)
	{
		$this->connect();

		return true;
	}

	/**
	 * Sets the SQL statement string for later execution.
	 *
	 * @param   mixed    $query          The SQL statement to set either as a
JDatabaseQuery object or a string.
	 * @param   integer  $offset         The affected row offset to set.
	 * @param   integer  $limit          The maximum affected rows to set.
	 * @param   array    $driverOptions  The optional PDO driver options.
	 *
	 * @return  JDatabaseDriver  This object to support method chaining.
	 *
	 * @since   3.0.0
	 */
	public function setQuery($query, $offset = null, $limit = null,
$driverOptions = array())
	{
		$this->connect();

		$this->freeResult();

		if (is_string($query))
		{
			// Allows taking advantage of bound variables in a direct query:
			$query = $this->getQuery(true)->setQuery($query);
		}

		if ($query instanceof JDatabaseQueryLimitable &&
!is_null($offset) && !is_null($limit))
		{
			$query = $query->processLimit($query, $limit, $offset);
		}

		// Create a stringified version of the query (with prefixes replaced):
		$sql = $this->replacePrefix((string) $query);

		// Use the stringified version in the prepare call:
		$this->prepared = $this->connection->prepare($sql,
$driverOptions);

		// Store reference to the original JDatabaseQuery instance within the
class.
		// This is important since binding variables depends on it within
execute():
		parent::setQuery($query, $offset, $limit);

		return $this;
	}

	/**
	 * Set the connection to use UTF-8 character encoding.
	 *
	 * @return  boolean  True on success.
	 *
	 * @since   3.0.0
	 */
	public function setUtf()
	{
		return false;
	}

	/**
	 * Method to commit a transaction.
	 *
	 * @param   boolean  $toSavepoint  If true, commit to the last savepoint.
	 *
	 * @return  void
	 *
	 * @since   3.0.0
	 * @throws  RuntimeException
	 */
	public function transactionCommit($toSavepoint = false)
	{
		$this->connect();

		if (!$toSavepoint || $this->transactionDepth == 1)
		{
			$this->connection->commit();
		}

		$this->transactionDepth--;
	}

	/**
	 * Method to roll back a transaction.
	 *
	 * @param   boolean  $toSavepoint  If true, rollback to the last
savepoint.
	 *
	 * @return  void
	 *
	 * @since   3.0.0
	 * @throws  RuntimeException
	 */
	public function transactionRollback($toSavepoint = false)
	{
		$this->connect();

		if (!$toSavepoint || $this->transactionDepth == 1)
		{
			$this->connection->rollBack();
		}

		$this->transactionDepth--;
	}

	/**
	 * Method to initialize a transaction.
	 *
	 * @param   boolean  $asSavepoint  If true and a transaction is already
active, a savepoint will be created.
	 *
	 * @return  void
	 *
	 * @since   3.0.0
	 * @throws  RuntimeException
	 */
	public function transactionStart($asSavepoint = false)
	{
		$this->connect();

		if (!$asSavepoint || !$this->transactionDepth)
		{
			$this->connection->beginTransaction();
		}

		$this->transactionDepth++;
	}

	/**
	 * Method to fetch a row from the result set cursor as an array.
	 *
	 * @param   mixed  $cursor  The optional result set cursor from which to
fetch the row.
	 *
	 * @return  mixed  Either the next row from the result set or false if
there are no more rows.
	 *
	 * @since   3.0.0
	 */
	protected function fetchArray($cursor = null)
	{
		if (!empty($cursor) && $cursor instanceof PDOStatement)
		{
			return $cursor->fetch(PDO::FETCH_NUM);
		}

		if ($this->prepared instanceof PDOStatement)
		{
			return $this->prepared->fetch(PDO::FETCH_NUM);
		}
	}

	/**
	 * Method to fetch a row from the result set cursor as an associative
array.
	 *
	 * @param   mixed  $cursor  The optional result set cursor from which to
fetch the row.
	 *
	 * @return  mixed  Either the next row from the result set or false if
there are no more rows.
	 *
	 * @since   3.0.0
	 */
	protected function fetchAssoc($cursor = null)
	{
		if (!empty($cursor) && $cursor instanceof PDOStatement)
		{
			return $cursor->fetch(PDO::FETCH_ASSOC);
		}

		if ($this->prepared instanceof PDOStatement)
		{
			return $this->prepared->fetch(PDO::FETCH_ASSOC);
		}
	}

	/**
	 * Method to fetch a row from the result set cursor as an object.
	 *
	 * @param   mixed   $cursor  The optional result set cursor from which to
fetch the row.
	 * @param   string  $class   Unused, only necessary so method signature
will be the same as parent.
	 *
	 * @return  mixed   Either the next row from the result set or false if
there are no more rows.
	 *
	 * @since   3.0.0
	 */
	protected function fetchObject($cursor = null, $class =
'stdClass')
	{
		if (!empty($cursor) && $cursor instanceof PDOStatement)
		{
			return $cursor->fetchObject($class);
		}

		if ($this->prepared instanceof PDOStatement)
		{
			return $this->prepared->fetchObject($class);
		}
	}

	/**
	 * Method to free up the memory used for the result set.
	 *
	 * @param   mixed  $cursor  The optional result set cursor from which to
fetch the row.
	 *
	 * @return  void
	 *
	 * @since   3.0.0
	 */
	protected function freeResult($cursor = null)
	{
		$this->executed = false;

		if ($cursor instanceof PDOStatement)
		{
			$cursor->closeCursor();
			$cursor = null;
		}

		if ($this->prepared instanceof PDOStatement)
		{
			$this->prepared->closeCursor();
			$this->prepared = null;
		}
	}

	/**
	 * Method to get the next row in the result set from the database query as
an object.
	 *
	 * @param   string  $class  The class name to use for the returned row
object.
	 *
	 * @return  mixed   The result of the query as an array, false if there
are no more rows.
	 *
	 * @since   3.0.0
	 * @throws  RuntimeException
	 * @deprecated  4.0 (CMS)  Use getIterator() instead
	 */
	public function loadNextObject($class = 'stdClass')
	{
		JLog::add(__METHOD__ . '() is deprecated. Use
JDatabaseDriver::getIterator() instead.', JLog::WARNING,
'deprecated');
		$this->connect();

		// Execute the query and get the result set cursor.
		if (!$this->executed)
		{
			if (!($this->execute()))
			{
				return $this->errorNum ? null : false;
			}
		}

		// Get the next row from the result set as an object of type $class.
		if ($row = $this->fetchObject(null, $class))
		{
			return $row;
		}

		// Free up system resources and return.
		$this->freeResult();

		return false;
	}

	/**
	 * Method to get the next row in the result set from the database query as
an array.
	 *
	 * @return  mixed  The result of the query as an array, false if there are
no more rows.
	 *
	 * @since   3.0.0
	 * @throws  RuntimeException
	 */
	public function loadNextAssoc()
	{
		$this->connect();

		// Execute the query and get the result set cursor.
		if (!$this->executed)
		{
			if (!($this->execute()))
			{
				return $this->errorNum ? null : false;
			}
		}

		// Get the next row from the result set as an object of type $class.
		if ($row = $this->fetchAssoc())
		{
			return $row;
		}

		// Free up system resources and return.
		$this->freeResult();

		return false;
	}

	/**
	 * Method to get the next row in the result set from the database query as
an array.
	 *
	 * @return  mixed  The result of the query as an array, false if there are
no more rows.
	 *
	 * @since   3.0.0
	 * @throws  RuntimeException
	 * @deprecated  4.0 (CMS)  Use getIterator() instead
	 */
	public function loadNextRow()
	{
		JLog::add(__METHOD__ . '() is deprecated. Use
JDatabaseDriver::getIterator() instead.', JLog::WARNING,
'deprecated');
		$this->connect();

		// Execute the query and get the result set cursor.
		if (!$this->executed)
		{
			if (!($this->execute()))
			{
				return $this->errorNum ? null : false;
			}
		}

		// Get the next row from the result set as an object of type $class.
		if ($row = $this->fetchArray())
		{
			return $row;
		}

		// Free up system resources and return.
		$this->freeResult();

		return false;
	}

	/**
	 * PDO does not support serialize
	 *
	 * @return  array
	 *
	 * @since   3.1.4
	 */
	public function __sleep()
	{
		$serializedProperties = array();

		$reflect = new ReflectionClass($this);

		// Get properties of the current class
		$properties = $reflect->getProperties();

		foreach ($properties as $property)
		{
			// Do not serialize properties that are PDO
			if ($property->isStatic() == false &&
!($this->{$property->name} instanceof PDO))
			{
				$serializedProperties[] = $property->name;
			}
		}

		return $serializedProperties;
	}

	/**
	 * Wake up after serialization
	 *
	 * @return  array
	 *
	 * @since   3.1.4
	 */
	public function __wakeup()
	{
		// Get connection back
		$this->__construct($this->options);
	}

	/**
	 * Return the actual SQL Error number
	 *
	 * @return  integer  The SQL Error number
	 *
	 * @since   3.4.6
	 */
	protected function getErrorNumber()
	{
		return (int) $this->connection->errorCode();
	}

	/**
	 * Return the actual SQL Error message
	 *
	 * @return  string  The SQL Error message
	 *
	 * @since   3.4.6
	 */
	protected function getErrorMessage()
	{
		// The SQL Error Information
		$errorInfo = implode(', ',
$this->connection->errorInfo());

		// Replace the Databaseprefix with `#__` if we are not in Debug
		if (!$this->debug)
		{
			$errorInfo = str_replace($this->tablePrefix, '#__',
$errorInfo);
		}

		return $errorInfo;
	}
}
home/lmsyaran/public_html/j3/libraries/joomla/database/iterator/pdo.php000064400000002643151162460270022276
0ustar00<?php
/**
 * @package     Joomla.Platform
 * @subpackage  Database
 *
 * @copyright   Copyright (C) 2005 - 2020 Open Source Matters, Inc. All
rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE
 */

defined('JPATH_PLATFORM') or die;

/**
 * PDO database iterator.
 *
 * @since  3.0.0
 */
class JDatabaseIteratorPdo extends JDatabaseIterator
{
	/**
	 * Get the number of rows in the result set for the executed SQL given by
the cursor.
	 *
	 * @return  integer  The number of rows in the result set.
	 *
	 * @since   3.0.0
	 * @see     Countable::count()
	 */
	public function count()
	{
		if (!empty($this->cursor) && $this->cursor instanceof
PDOStatement)
		{
			return $this->cursor->rowCount();
		}
		else
		{
			return 0;
		}
	}

	/**
	 * Method to fetch a row from the result set cursor as an object.
	 *
	 * @return  mixed   Either the next row from the result set or false if
there are no more rows.
	 *
	 * @since   3.0.0
	 */
	protected function fetchObject()
	{
		if (!empty($this->cursor) && $this->cursor instanceof
PDOStatement)
		{
			return $this->cursor->fetchObject($this->class);
		}
		else
		{
			return false;
		}
	}

	/**
	 * Method to free up the memory used for the result set.
	 *
	 * @return  void
	 *
	 * @since   3.0.0
	 */
	protected function freeResult()
	{
		if (!empty($this->cursor) && $this->cursor instanceof
PDOStatement)
		{
			$this->cursor->closeCursor();
		}
	}
}