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<?php |
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|
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/* |
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* This file is part of Raven. |
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* |
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* (c) Sentry Team |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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|
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class Raven_Compat |
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{ |
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public static function gethostname() |
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{ |
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if (function_exists('gethostname')) { |
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return gethostname(); |
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} |
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|
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return self::_gethostname(); |
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} |
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|
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public static function _gethostname() |
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{ |
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return php_uname('n'); |
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} |
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|
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public static function hash_hmac($algo, $data, $key, $raw_output = false) |
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{ |
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if (function_exists('hash_hmac')) { |
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return hash_hmac($algo, $data, $key, $raw_output); |
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} |
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|
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return self::_hash_hmac($algo, $data, $key, $raw_output); |
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} |
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|
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/** |
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* Implementation from 'KC Cloyd'. |
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* |
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* @param string $algo Name of selected hashing algorithm |
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* @param string $data Message to be hashed |
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* @param string $key Shared secret key used for generating the HMAC variant of the message digest |
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* @param bool $raw_output Must be binary |
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* @return string |
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* @doc http://php.net/manual/en/function.hash-hmac.php |
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*/ |
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public static function _hash_hmac($algo, $data, $key, $raw_output = false) |
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{ |
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$algo = strtolower($algo); |
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$pack = 'H'.strlen($algo('test')); |
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$size = 64; |
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$opad = str_repeat(chr(0x5C), $size); |
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$ipad = str_repeat(chr(0x36), $size); |
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|
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if (strlen($key) > $size) { |
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$key = str_pad(pack($pack, $algo($key)), $size, chr(0x00)); |
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} else { |
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$key = str_pad($key, $size, chr(0x00)); |
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} |
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|
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$keyLastPos = strlen($key) - 1; |
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for ($i = 0; $i < $keyLastPos; $i++) { |
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$opad[$i] = $opad[$i] ^ $key[$i]; |
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$ipad[$i] = $ipad[$i] ^ $key[$i]; |
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} |
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|
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$output = $algo($opad.pack($pack, $algo($ipad.$data))); |
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|
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return ($raw_output) ? pack($pack, $output) : $output; |
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} |
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|
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/** |
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* Note that we discard the options given to be compatible |
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* with PHP < 5.3 |
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* |
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* @param mixed $value |
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* @param int $options |
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* @param int $depth Set the maximum depth |
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* @return string |
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*/ |
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public static function json_encode($value, $options = 0, $depth = 512) |
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{ |
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if (function_exists('json_encode')) { |
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if (PHP_VERSION_ID < 50300) { |
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return json_encode($value); |
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} elseif (PHP_VERSION_ID < 50500) { |
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return json_encode($value, $options); |
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} else { |
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return json_encode($value, $options, $depth); |
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} |
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} |
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|
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// @codeCoverageIgnoreStart |
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return self::_json_encode($value, $depth); |
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// @codeCoverageIgnoreEnd |
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} |
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|
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/** |
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* @param mixed $value |
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* @param int $depth Set the maximum depth |
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* @return string|false |
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*/ |
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public static function _json_encode($value, $depth = 513) |
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{ |
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if (ini_get('xdebug.extended_info') !== false) { |
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ini_set('xdebug.max_nesting_level', 2048); |
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} |
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return self::_json_encode_lowlevel($value, $depth); |
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} |
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|
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/** |
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* Implementation taken from |
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* http://www.mike-griffiths.co.uk/php-json_encode-alternative/ |
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* |
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* @param mixed $value |
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* @param int $depth Set the maximum depth |
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* @return string|false |
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*/ |
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private static function _json_encode_lowlevel($value, $depth) |
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{ |
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static $jsonReplaces = array( |
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array('\\', '/', "\n", "\t", "\r", "\f", '"'), |
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array('\\\\', '\\/', '\\n', '\\t', '\\r', '\\f', '\"')); |
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|
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if (is_null($value)) { |
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return 'null'; |
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} |
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if ($value === false) { |
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return 'false'; |
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} |
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if ($value === true) { |
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return 'true'; |
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} |
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|
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if (is_scalar($value)) { |
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// Always use '.' for floats. |
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if (is_float($value)) { |
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return floatval(str_replace(',', '.', strval($value))); |
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} |
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if (is_string($value)) { |
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return sprintf('"%s"', |
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str_replace($jsonReplaces[0], $jsonReplaces[1], $value)); |
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} else { |
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return $value; |
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} |
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} elseif ($depth <= 1) { |
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return false; |
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} |
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|
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$isList = true; |
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for ($i = 0, reset($value); $i<count($value); $i++, next($value)) { |
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if (key($value) !== $i) { |
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$isList = false; |
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break; |
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} |
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} |
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$result = array(); |
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if ($isList) { |
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foreach ($value as $v) { |
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$this_value = self::_json_encode($v, $depth - 1); |
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if ($this_value === false) { |
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return false; |
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} |
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$result[] = $this_value; |
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} |
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|
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return '[' . join(',', $result) . ']'; |
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} else { |
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foreach ($value as $k => $v) { |
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$this_value = self::_json_encode($v, $depth - 1); |
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if ($this_value === false) { |
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return false; |
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} |
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$result[] = self::_json_encode($k, $depth - 1).':'.$this_value; |
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} |
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|
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return '{' . join(',', $result) . '}'; |
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} |
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} |
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} |
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|
