/**
* Verify that the file has not modified since it was stored
*
* @param InstallFile $file
* @return bool
*/
public static function verifyChecksum(InstallFile $file) : bool
{
return $file->hashMatches(File::checksum($file->getPath()));
}
/**
* For CLI usage: Bypass the download process, use a local file instead.
*
* @param string $path
* @param string $version
* @return AutoUpdater
* @throws FileNotFound
*/
public function useLocalUpdateFile(string $path, string $version = '') : self
{
if (\file_exists($path)) {
throw new FileNotFound();
}
$hash = File::checksum($path);
$this->localUpdateFile = new UpdateFile(['path' => $path, 'version' => $version, 'hash' => $hash, 'size' => \filesize($path)]);
return $this;
}
/**
* Used in our cachebust filter. This is mostly useful for HTML5 app caching
*
* @param $relative_path
* @return string
*/
function cachebust($relative_path)
{
if ($relative_path[0] !== '/') {
$relative_path = '/' . $relative_path;
}
$absolute = $_SERVER['DOCUMENT_ROOT'] . $relative_path;
if (\is_readable($absolute)) {
// Halite's File::checksum() uses less memory than reading the entire
// file into memory.
$key = new AuthenticationKey(CryptoUtil::raw_hash((string) \filemtime($absolute)));
return $relative_path . '?' . Base64UrlSafe::encode(File::checksum($absolute, $key, true));
}
// Special value
return $relative_path . '?404NotFound';
}
