public function testConfigVary()
{
$body = "<html><head></head><body><h1>Mysite</h1></body></html>";
$response = new HTTPResponse($body, 200);
Director::config()->update('environment_type', 'live');
HTTP::set_cache_age(30);
HTTP::add_cache_headers($response);
$v = $response->getHeader('Vary');
$this->assertNotEmpty($v);
$this->assertContains("Cookie", $v);
$this->assertContains("X-Forwarded-Protocol", $v);
$this->assertContains("User-Agent", $v);
$this->assertContains("Accept", $v);
HTTP::config()->update('vary', '');
$response = new HTTPResponse($body, 200);
HTTP::add_cache_headers($response);
$v = $response->getHeader('Vary');
$this->assertEmpty($v);
}
/**
* Get the MIME type based on a file's extension. If the finfo class exists in PHP, and the file
* exists relative to the project root, then use that extension, otherwise fallback to a list of
* commonly known MIME types.
*
* @param string $filename
*
* @return string
*/
public static function get_mime_type($filename)
{
// If the finfo module is compiled into PHP, use it.
$path = BASE_PATH . DIRECTORY_SEPARATOR . $filename;
if (class_exists('finfo') && file_exists($path)) {
$finfo = new finfo(FILEINFO_MIME_TYPE);
return $finfo->file($path);
}
// Fallback to use the list from the HTTP.yml configuration and rely on the file extension
// to get the file mime-type
$ext = File::get_file_extension($filename);
// Get the mime-types
$mimeTypes = HTTP::config()->get('MimeTypes');
// The mime type doesn't exist
if (!isset($mimeTypes[$ext])) {
return 'application/unknown';
}
return $mimeTypes[$ext];
}
