/**
* Constructor.
*
* @param string $stored_filename The stored name of the file.
* @param string $orig_filename The original name of the file.
*/
public function __construct($stored_filename, $orig_filename = '')
{
if (\pdyn\datatype\Validator::filename($stored_filename) !== true) {
throw new \Exception('Invalid filename received', 400);
}
if (!empty($orig_filename) && !is_scalar($orig_filename)) {
throw new \Exception('Uploaded file orig filename must be scalar or empty', 400);
}
$this->stored_filename = \pdyn\filesystem\FilesystemUtils::sanitize_filename($stored_filename);
$this->orig_filename = \pdyn\filesystem\FilesystemUtils::sanitize_filename($orig_filename);
}
/**
* Test validate filename.
*/
public function test_validate_filename()
{
$invalid = array(true, false, null, array(), new \stdClass(), '../test', '/etc/passwd');
foreach ($invalid as $val) {
$this->assertEquals(false, \pdyn\datatype\Validator::filename($val));
}
$valid = array('test', 'test.txt', '1');
foreach ($valid as $val) {
$this->assertEquals(true, \pdyn\datatype\Validator::filename($val));
}
}
/**
* Get image EXIF information.
*
* @return array Array of EXIF data.
*/
public function get_exif()
{
$return = [];
set_error_handler(function () {
});
try {
if (extension_loaded('exif') && $this->mime === 'image/jpeg') {
$exif = exif_read_data($this->filename);
$return = array_merge($exif, $return);
if (isset($exif['Orientation']) && in_array($exif['Orientation'], [1, 2, 3, 4, 5, 6, 7, 8])) {
$return['orientation'] = (int) $exif['Orientation'];
}
if (isset($exif['FileDateTime']) && \pdyn\datatype\Validator::timestamp($exif['FileDateTime']) === true) {
$return['timestamp'] = (int) $exif['FileDateTime'];
}
if (!empty($exif['FileName']) && \pdyn\datatype\Validator::filename($exif['FileName']) === true) {
$return['filename'] = (string) $exif['FileName'];
}
}
} catch (\Exception $e) {
$return = [];
}
restore_error_handler();
return $return;
}