BPT\tools::codec()

Complexity

Conditions	6
Paths	6

Size

Total Lines	25
Code Lines	19

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

<?php
    public static function codec (string $action, string $text, string $key = null, string $iv = null): bool|array|string {
        if (!extension_loaded('openssl')) {
            logger::write("tools::codec function used\nopenssl extension is not found , It may not be installed or enabled",loggerTypes::ERROR);
            throw new bptException('OPENSSL_EXTENSION_MISSING');
        }
        if ($action === codecAction::ENCRYPT) {
            $key = self::randomString(64);
            $iv = self::randomString();
            $output = base64_encode(openssl_encrypt($text, 'AES-256-CBC', $key, 1, $iv));
            return ['hash' => $output, 'key' => $key, 'iv' => $iv];
        }
        elseif ($action === codecAction::DECRYPT) {
            if (empty($key)) {
                logger::write("tools::codec function used\nkey parameter is not set",loggerTypes::ERROR);
                throw new bptException('ARGUMENT_NOT_FOUND_KEY');
            }
            if (empty($iv)) {
                logger::write("tools::codec function used\niv parameter is not set",loggerTypes::ERROR);
                throw new bptException('ARGUMENT_NOT_FOUND_IV');
            }
            return openssl_decrypt(base64_decode($text), 'AES-256-CBC', $key, 1, $iv);
        }
        else {
            logger::write("tools::codec function used\naction is not right, its must be `encode` or `decode`",loggerTypes::WARNING);
            return false;
        }
}