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Edit File : Utils.php \| Size : 7.19 KB
<?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; } /* * 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 utf8_encode($m[0]); }, $data ); if (!is_string($data)) { throw new \RuntimeException('Failed to preg_replace_callback: '.preg_last_error().' / '.preg_last_error_msg()); } $data = str_replace( ['¤', '¦', '¨', '´', '¸', '¼', '½', '¾'], ['€', 'Š', 'š', 'Ž', 'ž', 'Œ', 'œ', 'Ÿ'], $data ); } } } Back

Edit File : Utils.php | Size : 7.19 KB

<?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;
    }

/**
     * 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 utf8_encode($m[0]);
                },
                $data
            );
            if (!is_string($data)) {
                throw new \RuntimeException('Failed to preg_replace_callback: '.preg_last_error().' / '.preg_last_error_msg());
            }
            $data = str_replace(
                ['¤', '¦', '¨', '´', '¸', '¼', '½', '¾'],
                ['€', 'Š', 'š', 'Ž', 'ž', 'Œ', 'œ', 'Ÿ'],
                $data
            );
        }
    }
}

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