Tarantool\Client\Greeting::parse()

Complexity

Conditions	4
Paths	4

Size

Total Lines	17
Code Lines	8

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
    public static function parse(string $greeting) : string
    {
        if (0 !== \strpos($greeting, 'Tarantool')) {
            throw InvalidGreeting::invalidServerName();
        }

        if (false === $salt = \base64_decode(\substr($greeting, 64, 44), true)) {
            throw InvalidGreeting::invalidSalt();
        }

        $salt = \substr($salt, 0, 20);

        if (isset($salt[19])) {
            return $salt;
        }

        throw InvalidGreeting::invalidSalt();
    }