85 lines
2.8 KiB
PHP
Executable File
85 lines
2.8 KiB
PHP
Executable File
<?php
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require_once __DIR__ . '/function.php';
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/**
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* 获得用户的真实IP地址
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* <br />来源：ecshop
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* <br />$_SERVER和getenv的区别，getenv不支持IIS的isapi方式运行的php
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* @access public
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* @return string
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*/
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function real_ip()
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{
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static $realip = NULL;
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if ($realip !== NULL) {
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return $realip;
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}
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if (isset($_SERVER)) {
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if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
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$arr = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
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/* 取X-Forwarded-For中第一个非unknown的有效IP字符串 */
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foreach ($arr as $ip) {
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$ip = trim($ip);
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if ($ip != 'unknown') {
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$realip = $ip;
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break;
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}
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}
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} elseif (isset($_SERVER['HTTP_CLIENT_IP'])) {
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$realip = $_SERVER['HTTP_CLIENT_IP'];
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} else {
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if (isset($_SERVER['REMOTE_ADDR'])) {
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$realip = $_SERVER['REMOTE_ADDR'];
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} else {
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$realip = '0.0.0.0';
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}
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}
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} else {
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if (getenv('HTTP_X_FORWARDED_FOR')) {
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$realip = getenv('HTTP_X_FORWARDED_FOR');
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} elseif (getenv('HTTP_CLIENT_IP')) {
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$realip = getenv('HTTP_CLIENT_IP');
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} else {
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$realip = getenv('REMOTE_ADDR');
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}
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}
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// 使用正则验证IP地址的有效性，防止伪造IP地址进行SQL注入攻击
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preg_match("/[\d\.]{7,15}/", $realip, $onlineip);
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$realip = !empty($onlineip[0]) ? $onlineip[0] : '0.0.0.0';
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return $realip;
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}
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/**
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* 写日志
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* 日志格式：图片名称->上传时间（北京时间）->IP地址->浏览器信息->文件相对路径->cache文件相对路径
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*/
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function write_log($file, $cacheFile = null)
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{
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global $config;
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$name = trim(basename($file), " \t\n\r\0\x0B"); // 图片名称
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$log = array($name => array(
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'date' => date('Y-m-d H:i:s'), // 上传日期
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'ip' => real_ip(), // 上传ip
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'user_agent' => $_SERVER['HTTP_USER_AGENT'], //浏览器信息
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'path' => $file, // 文件相对路径
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'cache' => $cacheFile, // 文件缓存相对位置
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));
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$logFileName = APP_ROOT . '/admin/logs/upload/' . date('Y-m') . '.php';
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// 写入禁止浏览器直接访问
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if (is_file($logFileName) == false) {
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$php_code = '<?php exit;?>';
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file_put_contents($logFileName, $php_code);
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}
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$log = json_encode($log, true);
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file_put_contents($logFileName, PHP_EOL . $log, FILE_APPEND | LOCK_EX);
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}
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/*
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for ($i = 0; $i < 100000; $i++) {
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write_log('/i/2021/11/13/12der8s.jpg', '/i/cache/2021_11_13_12der8s.jpg');
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}
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*/ |