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修复 考虑 filter_var 不存在的情况

This commit is contained in:
Comsenz 2018-06-04 18:16:47 +08:00
parent bec08dac93
commit 83a9e5c76f
1 changed files with 9 additions and 1 deletions
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10
upload/source/function/function_filesock.php
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@ -20,12 +20,20 @@ function _isLocalip($ip) {
($iplong >= 150994944 && $iplong <= 167772159); ($iplong >= 150994944 && $iplong <= 167772159);
} }
function _isip($host) {
if(function_exists('filter_var')) {
return filter_var($host, FILTER_VALIDATE_IP) !== false;
} else {
return preg_match('/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/', $host);
}
}
function _dfsockopen($url, $limit = 0, $post = '', $cookie = '', $bysocket = FALSE, $ip = '', $timeout = 15, $block = TRUE, $encodetype = 'URLENCODE', $allowcurl = TRUE, $position = 0, $files = array()) { function _dfsockopen($url, $limit = 0, $post = '', $cookie = '', $bysocket = FALSE, $ip = '', $timeout = 15, $block = TRUE, $encodetype = 'URLENCODE', $allowcurl = TRUE, $position = 0, $files = array()) {
$return = ''; $return = '';
$matches = parse_url($url); $matches = parse_url($url);
$scheme = $matches['scheme']; $scheme = $matches['scheme'];
$host = $matches['host']; $host = $matches['host'];
if(filter_var($host, FILTER_VALIDATE_IP) && _isLocalip($host) || $ip && _isLocalip($ip)) { if(_isip($host) && _isLocalip($host) || $ip && _isLocalip($ip)) {
return ''; return '';
} }
$path = $matches['path'] ? $matches['path'].($matches['query'] ? '?'.$matches['query'] : '') : '/'; $path = $matches['path'] ? $matches['path'].($matches['query'] ? '?'.$matches['query'] : '') : '/';