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<?php /* vim: set expandtab sw=4 ts=4 sts=4: */ /** * Abstract class for the download transformations plugins * * @package PhpMyAdmin-Transformations * @subpackage Download */ declare(strict_types=1); namespace PhpMyAdmin\Plugins\Transformations\Abs; use PhpMyAdmin\Plugins\TransformationsPlugin; use stdClass; /** * Provides common methods for all of the download transformations plugins. * * @package PhpMyAdmin */ abstract class DownloadTransformationsPlugin extends TransformationsPlugin { /** * Gets the transformation description of the specific plugin * * @return string */ public static function getInfo() { return __( 'Displays a link to download the binary data of the column. You can' . ' use the first option to specify the filename, or use the second' . ' option as the name of a column which contains the filename. If' . ' you use the second option, you need to set the first option to' . ' the empty string.' ); } /** * Does the actual work of each specific transformations plugin. * * @param string $buffer text to be transformed * @param array $options transformation options * @param stdClass|null $meta meta information * * @return string */ public function applyTransformation($buffer, array $options = [], ?stdClass $meta = null) { global $row, $fields_meta; if (isset($options[0]) && ! empty($options[0])) { $cn = $options[0]; // filename } else { if (isset($options[1]) && ! empty($options[1])) { foreach ($fields_meta as $key => $val) { if ($val->name == $options[1]) { $pos = $key; break; } } if (isset($pos)) { $cn = $row[$pos]; } } if (empty($cn)) { $cn = 'binary_file.dat'; } } return sprintf( '<a href="transformation_wrapper.php%s&ct=application' . '/octet-stream&cn=%s" title="%s" class="disableAjax">%s</a>', $options['wrapper_link'], htmlspecialchars(urlencode($cn)), htmlspecialchars($cn), htmlspecialchars($cn) ); } /* ~~~~~~~~~~~~~~~~~~~~ Getters and Setters ~~~~~~~~~~~~~~~~~~~~ */ /** * Gets the transformation name of the specific plugin * * @return string */ public static function getName() { return "Download"; } }