Initial commit

GeeTest/lib/geetestlib.php

@@ -0,0 +1,78 @@
+<?php
+/**
+ * 极验行为式验证安全平台，php 网站主后台包含的库文件
+ */
+
+// define("PRIVATE_KEY","0f1a37e33c9ed10dd2e133fe2ae9c459");
+
+class GeetestLib {
+  function __construct($PRIVATE_KEY){
+    $this->PRIVATE_KEY = $PRIVATE_KEY;
+  }
+
+  function geetest_validate($challenge, $validate, $seccode) {	
+    $apiserver = 'api.geetest.com';
+    if (strlen($validate) > 0 && $this->_check_result_by_private($challenge, $validate)) {		
+      $query = 'seccode='.$seccode;
+      $servervalidate = $this->_http_post($apiserver, '/validate.php', $query);			
+      if (strlen($servervalidate) > 0 && $servervalidate == md5($seccode)) {
+	return TRUE;
+      }else if($servervalidate == "false"){
+	return FALSE;
+      }else{ 
+	return $servervalidate;
+      }
+    }
+    
+    return FALSE;		
+  }
+  function challenge(){
+    $str = str_shuffle("0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ");
+    $time = strval(time());
+    $rand = strval(rand(0,99999));
+    $test = $time.$str.$rand;
+    $challenge = md5($test);
+    return $challenge;
+  }
+
+
+  function _check_result_by_private($origin, $validate) {
+    return $validate == md5($this->PRIVATE_KEY.'geetest'.$origin) ? TRUE : FALSE;
+  }
+
+  function _http_post($host, $path, $data, $port = 80) {
+    // $data = _fix_encoding($data);
+    
+    $http_request  = "POST $path HTTP/1.0\r\n";
+    $http_request .= "Host: $host\r\n";
+    $http_request .= "Content-Type: application/x-www-form-urlencoded\r\n";
+    $http_request .= "Content-Length: " . strlen($data) . "\r\n";
+    $http_request .= "\r\n";
+    $http_request .= $data;
+
+    $response = '';
+    if (($fs = @fsockopen($host, $port, $errno, $errstr, 10)) == false) {
+      die ('Could not open socket! ' . $errstr);
+    }
+    
+    fwrite($fs, $http_request);
+
+    while (!feof($fs))
+      $response .= fgets($fs, 1160);
+    fclose($fs);
+    
+    $response = explode("\r\n\r\n", $response, 2);
+    return $response[1];
+  }
+
+  function _fix_encoding($str) { 	
+    $curr_encoding = mb_detect_encoding($str) ; 
+    
+    if($curr_encoding == "UTF-8" && mb_check_encoding($str,"UTF-8")) {
+      return $str; 
+    } else {
+      return utf8_encode($str); 
+    }
+  }
+}
+?>