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<?php
/**
*
* @package phpBB3
* @copyright (c) 2005 phpBB Group
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
stream_filter_register('phpbb_template', 'phpbb_template_filter');
/**
* Extension of template class - Functions needed for compiling templates only.
*
* @package phpBB3
* @uses template_filter As a PHP stream filter to perform compilation of templates
*/
class phpbb_template_compile
{
/**
* Array of parameters to forward to template filter
*
* @var array
*/
private $filter_params;
/**
* Constructor.
*
* @param bool @allow_php Whether PHP code will be allowed in templates (inline PHP code, PHP tag and INCLUDEPHP tag)
* @param phpbb_style_resource_locator $locator Resource locator
* @param string $phpbb_root_path Path to phpBB root directory
*/
public function __construct($allow_php, $locator, $phpbb_root_path)
{
$this->filter_params = array(
'allow_php' => $allow_php,
'locator' => $locator,
'phpbb_root_path' => $phpbb_root_path
);
}
/**
* Compiles template in $source_file and writes compiled template to
* cache directory
*
* @param string $handle Template handle to compile
* @param string $source_file Source template file
* @return bool Return true on success otherwise false
*/
public function compile_file_to_file($source_file, $compiled_file)
{
$lock = new phpbb_lock_flock($compiled_file);
$lock->acquire();
$source_handle = @fopen($source_file, 'rb');
$destination_handle = @fopen($compiled_file, 'wb');
if (!$source_handle || !$destination_handle)
{
return false;
}
$this->compile_stream_to_stream($source_handle, $destination_handle);
@fclose($source_handle);
@fclose($destination_handle);
phpbb_chmod($compiled_file, CHMOD_READ | CHMOD_WRITE);
$lock->release();
clearstatcache();
return true;
}
/**
* Compiles a template located at $source_file.
*
* Returns PHP source suitable for eval().
*
* @param string $source_file Source template file
* @return string|bool Return compiled code on successful compilation otherwise false
*/
public function compile_file($source_file)
{
$source_handle = @fopen($source_file, 'rb');
$destination_handle = @fopen('php://temp' ,'r+b');
if (!$source_handle || !$destination_handle)
{
return false;
}
$this->compile_stream_to_stream($source_handle, $destination_handle);
@fclose($source_handle);
rewind($destination_handle);
$contents = stream_get_contents($destination_handle);
@fclose($dest_handle);
return $contents;
}
/**
* Compiles contents of $source_stream into $dest_stream.
*
* A stream filter is appended to $source_stream as part of the
* process.
*
* @param resource $source_stream Source stream
* @param resource $dest_stream Destination stream
* @return null
*/
private function compile_stream_to_stream($source_stream, $dest_stream)
{
stream_filter_append($source_stream, 'phpbb_template', null, $this->filter_params);
stream_copy_to_stream($source_stream, $dest_stream);
}
}
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