Subversion-Projekte lars-tiefland.laravel_shop

<?php declare(strict_types=1);

/*

 * This file is part of the Monolog package.

 *

 * (c) Jordi Boggiano <j.boggiano@seld.be>

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

namespace Monolog;

final class Utils

{

    const DEFAULT_JSON_FLAGS = JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_PRESERVE_ZERO_FRACTION | JSON_INVALID_UTF8_SUBSTITUTE | JSON_PARTIAL_OUTPUT_ON_ERROR;

    public static function getClass(object $object): string

    {

        $class = \get_class($object);

        if (false === ($pos = \strpos($class, "@anonymous\0"))) {

            return $class;

        }

        if (false === ($parent = \get_parent_class($class))) {

            return \substr($class, 0, $pos + 10);

        }

        return $parent . '@anonymous';

    }

    public static function substr(string $string, int $start, ?int $length = null): string

    {

        if (extension_loaded('mbstring')) {

            return mb_strcut($string, $start, $length);

        }

        return substr($string, $start, (null === $length) ? strlen($string) : $length);

    }

    /**

     * Makes sure if a relative path is passed in it is turned into an absolute path

     *

     * @param string $streamUrl stream URL or path without protocol

     */

    public static function canonicalizePath(string $streamUrl): string

    {

        $prefix = '';

        if ('file://' === substr($streamUrl, 0, 7)) {

            $streamUrl = substr($streamUrl, 7);

            $prefix = 'file://';

        }

        // other type of stream, not supported

        if (false !== strpos($streamUrl, '://')) {

            return $streamUrl;

        }

        // already absolute

        if (substr($streamUrl, 0, 1) === '/' || substr($streamUrl, 1, 1) === ':' || substr($streamUrl, 0, 2) === '\\\\') {

            return $prefix.$streamUrl;

        }

        $streamUrl = getcwd() . '/' . $streamUrl;

        return $prefix.$streamUrl;

    }

    /**

     * Return the JSON representation of a value

     *

     * @param  mixed             $data

     * @param  int               $encodeFlags  flags to pass to json encode, defaults to DEFAULT_JSON_FLAGS

     * @param  bool              $ignoreErrors whether to ignore encoding errors or to throw on error, when ignored and the encoding fails, "null" is returned which is valid json for null

     * @throws \RuntimeException if encoding fails and errors are not ignored

     * @return string            when errors are ignored and the encoding fails, "null" is returned which is valid json for null

     */

    public static function jsonEncode($data, ?int $encodeFlags = null, bool $ignoreErrors = false): string

    {

        if (null === $encodeFlags) {

            $encodeFlags = self::DEFAULT_JSON_FLAGS;

        }

        if ($ignoreErrors) {

            $json = @json_encode($data, $encodeFlags);

            if (false === $json) {

                return 'null';

            }

            return $json;

        }

        $json = json_encode($data, $encodeFlags);

        if (false === $json) {

            $json = self::handleJsonError(json_last_error(), $data);

        }

        return $json;

    }

    /**

     * Handle a json_encode failure.

     *

     * If the failure is due to invalid string encoding, try to clean the

     * input and encode again. If the second encoding attempt fails, the

     * initial error is not encoding related or the input can't be cleaned then

     * raise a descriptive exception.

     *

     * @param  int               $code        return code of json_last_error function

     * @param  mixed             $data        data that was meant to be encoded

     * @param  int               $encodeFlags flags to pass to json encode, defaults to JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_PRESERVE_ZERO_FRACTION

     * @throws \RuntimeException if failure can't be corrected

     * @return string            JSON encoded data after error correction

     */

    public static function handleJsonError(int $code, $data, ?int $encodeFlags = null): string

    {

        if ($code !== JSON_ERROR_UTF8) {

            self::throwEncodeError($code, $data);

        }

        if (is_string($data)) {

            self::detectAndCleanUtf8($data);

        } elseif (is_array($data)) {

            array_walk_recursive($data, array('Monolog\Utils', 'detectAndCleanUtf8'));

        } else {

            self::throwEncodeError($code, $data);

        }

        if (null === $encodeFlags) {

            $encodeFlags = self::DEFAULT_JSON_FLAGS;

        }

        $json = json_encode($data, $encodeFlags);

        if ($json === false) {

            self::throwEncodeError(json_last_error(), $data);

        }

        return $json;

    }

    /**

     * @internal

     */

    public static function pcreLastErrorMessage(int $code): string

    {

        if (PHP_VERSION_ID >= 80000) {

            return preg_last_error_msg();

        }

        $constants = (get_defined_constants(true))['pcre'];

        $constants = array_filter($constants, function ($key) {

            return substr($key, -6) == '_ERROR';

        }, ARRAY_FILTER_USE_KEY);

        $constants = array_flip($constants);

        return $constants[$code] ?? 'UNDEFINED_ERROR';

    }

    /**

     * Throws an exception according to a given code with a customized message

     *

     * @param  int               $code return code of json_last_error function

     * @param  mixed             $data data that was meant to be encoded

     * @throws \RuntimeException

     *

     * @return never

     */

    private static function throwEncodeError(int $code, $data): void

    {

        switch ($code) {

            case JSON_ERROR_DEPTH:

                $msg = 'Maximum stack depth exceeded';

                break;

            case JSON_ERROR_STATE_MISMATCH:

                $msg = 'Underflow or the modes mismatch';

                break;

            case JSON_ERROR_CTRL_CHAR:

                $msg = 'Unexpected control character found';

                break;

            case JSON_ERROR_UTF8:

                $msg = 'Malformed UTF-8 characters, possibly incorrectly encoded';

                break;

            default:

                $msg = 'Unknown error';

        }

        throw new \RuntimeException('JSON encoding failed: '.$msg.'. Encoding: '.var_export($data, true));

    }

    /**

     * Detect invalid UTF-8 string characters and convert to valid UTF-8.

     *

     * Valid UTF-8 input will be left unmodified, but strings containing

     * invalid UTF-8 codepoints will be reencoded as UTF-8 with an assumed

     * original encoding of ISO-8859-15. This conversion may result in

     * incorrect output if the actual encoding was not ISO-8859-15, but it

     * will be clean UTF-8 output and will not rely on expensive and fragile

     * detection algorithms.

     *

     * Function converts the input in place in the passed variable so that it

     * can be used as a callback for array_walk_recursive.

     *

     * @param mixed $data Input to check and convert if needed, passed by ref

     */

    private static function detectAndCleanUtf8(&$data): void

    {

        if (is_string($data) && !preg_match('//u', $data)) {

            $data = preg_replace_callback(

                '/[\x80-\xFF]+/',

                function ($m) {

                    return function_exists('mb_convert_encoding') ? mb_convert_encoding($m[0], 'UTF-8', 'ISO-8859-1') : utf8_encode($m[0]);

                },

                $data

            );

            if (!is_string($data)) {

                $pcreErrorCode = preg_last_error();

                throw new \RuntimeException('Failed to preg_replace_callback: ' . $pcreErrorCode . ' / ' . self::pcreLastErrorMessage($pcreErrorCode));

            }

            $data = str_replace(

                ['¤', '¦', '¨', '´', '¸', '¼', '½', '¾'],

                ['€', 'Š', 'š', 'Ž', 'ž', 'Œ', 'œ', 'Ÿ'],

                $data

            );

        }

    }

    /**

     * Converts a string with a valid 'memory_limit' format, to bytes.

     *

     * @param string|false $val

     * @return int|false Returns an integer representing bytes. Returns FALSE in case of error.

     */

    public static function expandIniShorthandBytes($val)

    {

        if (!is_string($val)) {

            return false;

        }

        // support -1

        if ((int) $val < 0) {

            return (int) $val;

        }

        if (!preg_match('/^\s*(?<val>\d+)(?:\.\d+)?\s*(?<unit>[gmk]?)\s*$/i', $val, $match)) {

            return false;

        }

        $val = (int) $match['val'];

        switch (strtolower($match['unit'] ?? '')) {

            case 'g':

                $val *= 1024;

            case 'm':

                $val *= 1024;

            case 'k':

                $val *= 1024;

        }

        return $val;

    }

    /**

     * @param array<mixed> $record

     */

    public static function getRecordMessageForException(array $record): string

    {

        $context = '';

        $extra = '';

        try {

            if ($record['context']) {

                $context = "\nContext: " . json_encode($record['context']);

            }

            if ($record['extra']) {

                $extra = "\nExtra: " . json_encode($record['extra']);

            }

        } catch (\Throwable $e) {

            // noop

        }

        return "\nThe exception occurred while attempting to log: " . $record['message'] . $context . $extra;

    }

}