/**
* Checks if resource has (not) one of given extensions
*
* @param Model $Model
* @param array $field
* @param mixed $deny True or * blocks any extension,
* an array containing extensions (w/o leading dot) selectively blocks,
* false blocks no extension
* @param mixed $allow True or * allows any extension,
* an array containing extensions (w/o leading dot) selectively allows,
* false allows no extension
* @return boolean
*/
function checkExtension(&$Model, $field, $deny = false, $allow = true)
{
extract($this->runtime[$Model->alias]);
foreach (array('source', 'temporary', 'destination') as $type) {
if ($type == 'temporary' && empty(${$type}) || !isset(${$type}['extension'])) {
continue;
}
if (!MediaValidation::extension(${$type}['extension'], $deny, $allow)) {
return false;
}
}
return true;
}
function testExtension()
{
$check = 'png';
$result = MediaValidation::extension($check);
$this->assertTrue($result);
$check = 'tar.gz';
$result = MediaValidation::extension($check, false, array('tar', 'gz'));
$this->assertTrue($result);
$check = 'tar.gz';
$result = MediaValidation::extension($check, false, array('tar.gz'));
$this->assertFalse($result);
$check = 'png';
$result = MediaValidation::extension($check, array('png'));
$this->assertFalse($result);
$check = 'png';
$result = MediaValidation::extension($check, array('png'), array('png'));
$this->assertFalse($result);
$check = 'in.va.lid';
$result = MediaValidation::extension($check);
$this->assertFalse($result);
$check = '.inva.lid';
$result = MediaValidation::extension($check);
$this->assertFalse($result);
$check = '';
$result = MediaValidation::extension($check);
$this->assertFalse($result);
$check = false;
$result = MediaValidation::extension($check);
$this->assertFalse($result);
$check = true;
$result = MediaValidation::extension($check);
$this->assertFalse($result);
$check = true;
$result = MediaValidation::extension($check);
$this->assertFalse($result);
$deny = array('bin', 'class', 'dll', 'dms', 'exe', 'lha');
$allow = array('pdf');
$check = 'tmp';
$result = MediaValidation::extension($check, $deny, $allow);
$this->assertFalse($result);
$check = 'tmp';
$result = MediaValidation::extension($check);
$this->assertTrue($result);
$deny = array('bin', 'class', 'dll', 'dms', 'exe', 'lha');
$allow = array('pdf', 'tmp');
$check = 'tmp';
$result = MediaValidation::extension($check);
$this->assertTrue($result);
$deny = array('bin', 'class', 'dll', 'dms', 'exe', 'lha');
$allow = array('*');
$check = 'tmp';
$result = MediaValidation::extension($check);
$this->assertTrue($result);
}
