136 lines
3.5 KiB
PHP
136 lines
3.5 KiB
PHP
<?php
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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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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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return self::_gethostname();
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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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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, $raw_output);
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}
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return self::_hash_hmac($algo, $data, $key, $raw_output);
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}
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/**
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* Implementation from 'KC Cloyd'.
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* See http://nl2.php.net/manual/en/function.hash-hmac.php
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*/
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public static function _hash_hmac($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), $size);
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if (strlen($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, $size, chr(0x00));
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}
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$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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$output = $algo($opad.pack($pack, $algo($ipad.$data)));
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return ($raw_output) ? pack($pack, $output) : $output;
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}
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/**
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* Note that we discard the options given to be compatible
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* with PHP < 5.3
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*/
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public static function json_encode($value, $options=0)
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{
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if (function_exists('json_encode')) {
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return json_encode($value);
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}
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return self::_json_encode($value);
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}
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/**
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* Implementation taken from
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* http://www.mike-griffiths.co.uk/php-json_encode-alternative/
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*/
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public static function _json_encode($value)
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{
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static $jsonReplaces = array(
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array('\\', '/', "\n", "\t", "\r", "\b", "\f", '"'),
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array('\\\\', '\\/', '\\n', '\\t', '\\r', '\\b', '\\f', '\"'));
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if (is_null($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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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 $value;
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}
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}
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$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 $v) {
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$result[] = self::_json_encode($v);
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}
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return '[' . join(',', $result) . ']';
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} else {
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foreach ($value as $k => $v) {
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$result[] = self::_json_encode($k) . ':' . self::_json_encode($v);
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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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