79 lines
2.1 KiB
PHP
79 lines
2.1 KiB
PHP
<?php
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/**
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* 极验行为式验证安全平台，php 网站主后台包含的库文件
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*/
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// define("PRIVATE_KEY","0f1a37e33c9ed10dd2e133fe2ae9c459");
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class GeetestLib {
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function __construct($PRIVATE_KEY){
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$this->PRIVATE_KEY = $PRIVATE_KEY;
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}
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function geetest_validate($challenge, $validate, $seccode) {
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$apiserver = 'api.geetest.com';
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if (strlen($validate) > 0 && $this->_check_result_by_private($challenge, $validate)) {
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$query = 'seccode='.$seccode;
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$servervalidate = $this->_http_post($apiserver, '/validate.php', $query);
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if (strlen($servervalidate) > 0 && $servervalidate == md5($seccode)) {
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return TRUE;
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}else if($servervalidate == "false"){
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return FALSE;
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}else{
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return $servervalidate;
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}
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}
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return FALSE;
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}
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function challenge(){
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$str = str_shuffle("0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ");
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$time = strval(time());
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$rand = strval(rand(0,99999));
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$test = $time.$str.$rand;
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$challenge = md5($test);
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return $challenge;
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}
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function _check_result_by_private($origin, $validate) {
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return $validate == md5($this->PRIVATE_KEY.'geetest'.$origin) ? TRUE : FALSE;
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}
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function _http_post($host, $path, $data, $port = 80) {
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// $data = _fix_encoding($data);
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$http_request = "POST $path HTTP/1.0\r\n";
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$http_request .= "Host: $host\r\n";
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$http_request .= "Content-Type: application/x-www-form-urlencoded\r\n";
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$http_request .= "Content-Length: " . strlen($data) . "\r\n";
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$http_request .= "\r\n";
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$http_request .= $data;
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$response = '';
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if (($fs = @fsockopen($host, $port, $errno, $errstr, 10)) == false) {
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die ('Could not open socket! ' . $errstr);
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}
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fwrite($fs, $http_request);
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while (!feof($fs))
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$response .= fgets($fs, 1160);
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fclose($fs);
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$response = explode("\r\n\r\n", $response, 2);
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return $response[1];
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}
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function _fix_encoding($str) {
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$curr_encoding = mb_detect_encoding($str) ;
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if($curr_encoding == "UTF-8" && mb_check_encoding($str,"UTF-8")) {
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return $str;
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} else {
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return utf8_encode($str);
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}
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}
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}
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?>
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