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: /var/www/zenithentcare/vendor/kreait/firebase-php/src/Firebase/Database/Reference/ [ drwxrwxr-x ]
name : Validator.php <?php declare(strict_types=1); namespace Kreait\Firebase\Database\Reference; use Kreait\Firebase\Exception\InvalidArgumentException; use Psr\Http\Message\UriInterface; class Validator { public const MAX_DEPTH = 32; public const MAX_KEY_SIZE = 768; public const INVALID_KEY_CHARS = '.$#[]'; /** * Checks the reference URI for invalid properties. * * @throws InvalidArgumentException on */ public function validateUri(UriInterface $uri): void { $path = \trim($uri->getPath(), '/'); $this->validateDepth($path); foreach (\explode('/', $path) as $key) { $this->validateKeySize($key); $this->validateChars($key); } } private function validateDepth(string $path): void { $depth = \mb_substr_count($path, '/') + 1; if ($depth > self::MAX_DEPTH) { throw new InvalidArgumentException(\sprintf( 'A reference location must not more than %d levels deep, "%s" has %d.', self::MAX_DEPTH, $path, $depth )); } } private function validateKeySize(string $key): void { if (($length = \mb_strlen($key, '8bit')) > self::MAX_KEY_SIZE) { throw new InvalidArgumentException(\sprintf( 'A reference\'s child key must not be larger than %d bytes, "%s" has a size of %d bytes.', self::MAX_KEY_SIZE, $key, $length )); } } private function validateChars(string $key): void { $key = \rawurldecode($key); $pattern = \sprintf('/[%s]/', \preg_quote(self::INVALID_KEY_CHARS, '/')); if (\preg_match($pattern, $key)) { throw new InvalidArgumentException(\sprintf( 'The child key "%s" contains one of the following invalid characters: "%s"', $key, self::INVALID_KEY_CHARS )); } } }