<?php

/* Desc : 修改 common.php 为Class版本，方便使用
 * 
 * Para :
 *  	
 * Author:
 * 
**/


class commonFunc{
	/*
	 * curl 调用
	 */
	//echo post_request("http://www.baidu.com");
	public static function post_request($url, $params=array()) {
		
		$ch = curl_init();
		curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
		curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: application/x-www-form-urlencoded"));
		//curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: text/html"));
		curl_setopt($ch, CURLOPT_URL, $url);
		curl_setopt($ch, CURLOPT_POST, true);
		curl_setopt($ch, CURLOPT_TIMEOUT, 3);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);  
		curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($params));  
		$result = curl_exec($ch);
	    $httpinfo= curl_getinfo($ch);
		curl_close($ch);
		//print_r($httpinfo);
		$info = "{$httpinfo['http_code']}|$url|$result";
		Log::save_run_log($info,'curl');
		if($httpinfo['http_code'] == 200){
			return $result;
		} else {
			return false;
		}
	}
	
	public static function makeRequest($url, $params,$timeout=3,$post=true) {
	    $ch = curl_init();
	    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
	    curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: application/x-www-form-urlencoded"));
	    curl_setopt($ch, CURLOPT_URL, $url);
	    curl_setopt($ch, CURLOPT_POST, $post);
	    curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);  
		curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
		curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($params));  
	    $result = curl_exec($ch);
	    curl_close($ch);
	    return $result;
	}
	
	
	public static function get_request_https($url){

		$ch = curl_init();  
		curl_setopt($ch, CURLOPT_URL,$url);  
		curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);  
		curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);  
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);  
		curl_setopt($ch, CURLOPT_TIMEOUT, 15);
		if(TEST) curl_setopt($ch, CURLOPT_PROXY, '127.0.0.1:8086');
		$result = curl_exec($ch); 
		  $httpinfo = curl_getinfo($ch);
		  
		$info = "{$httpinfo['http_code']}|$url|$result";
		Log::save_run_log($info,'curlhttps');
		
		curl_close($ch);
		if($httpinfo['http_code'] == 200){
		return $result;
		} else {
		return false;
		}
} 

	
	public static function xml_unserialize(&$xml, $isnormal = FALSE) {
		$xml_parser = new XML($isnormal);
		$data = $xml_parser->parse($xml);
		$xml_parser->destruct();
		return $data;
	}
	
	/**
	*	获得请求端的xml
	*/
	
	public static function post_request_xml($url, $params=array()) {
		
		$ch = curl_init();
		curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
		//curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: application/x-www-form-urlencoded"));
		curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: text/html"));
		curl_setopt($ch, CURLOPT_URL, $url);
		curl_setopt($ch, CURLOPT_POST, true);
		curl_setopt($ch, CURLOPT_TIMEOUT, 3);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);  
		curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($params));
		  
		$result = file_get_contents('php://input');
		
	    $httpinfo= curl_getinfo($ch);
		curl_close($ch);
		//print_r($httpinfo);
		$info = "{$httpinfo['http_code']}|$url|$result";
		Log::save_run_log($info,'curl');
		if($httpinfo['http_code'] == 200){
			return $result;
		} else {
			return false;
		}
	}


	/**
	*	获得请求端的ip地址
	*/
	public static function  get_client_ip() {
		global  $_SERVER;
		if (isset($_SERVER["HTTP_X_FORWARDED_FOR"])) {
			$ip  =  $_SERVER["HTTP_X_FORWARDED_FOR"];
		} elseif (isset($_SERVER["HTTP_CLIENT_IP"])) {
			$ip  =  $_SERVER["HTTP_CLIENT_IP"];
		} else {
			$ip  =  $_SERVER["REMOTE_ADDR"];
		}
		return  $ip;
	}
	
	/**
	*	接口999操作失败
	*  forexample: response_999(__FILE__,__LINE__,__FUNCTION__,"SQL");
	*/
	public static function response_999($file,$line,$function,$err_type){
		$parameters = get_parameters();
		$file = strstr($file,"u.");
		$log = "|response:999|file:$file|line:$line|function:$function|err_type:$err_type|$parameters";
		Log::save_run_log($log,"run");
		echo "-999";
		exit;
	}
	/**
	*	接口返回结果函数
	*/
	public static function response($result){
		echo $result;
		exit;
	}
	
	/**
	 * 取得精确时间值
	 */
	public static function microtime_float(){
   		list($usec, $sec) = explode(" ", microtime());
    	return ((float)$usec + (float)$sec);
	}
	
	
	/**
	*	取得请求参数，并组成字符串
	*	格式为 {parameter:value|parameter:value|parameter:value|parameter:value……………………}
	*/
	public static function get_parameters() {
		global $_GET,$_POST;
		$parameters = "";
		if($_GET){
			foreach($_GET as $key => $val){
				if($key == 'sign') 
					continue;
				else
					$parameters .= "$key:$val|";
			}
		}
		if($_POST){
			foreach($_POST as $key => $val){
				if($key == 'sign') 
					continue;
				else
					$parameters .= "$key:$val|";
			}
		}
		if(strlen($parameters) > 1 )
			$parameters = substr($parameters,0,-1);
		return "{".$parameters."}";
	}
	
	public static function get_browser_language()	{
		if(isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])){
			$accept_lang = explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']);
			return $accept_lang[0];
		} else {
			return false;
		}
	}
	
	
	public static function filterInput(&$info){
		if(empty($info)) return false;
		if(is_array($info)){
			foreach ($info as $key=>$val){
				$info[$key] = addslashes($val);
			}
		} else {
			$info = addslashes($info);
		}
	}
	
	public static function matchSex($total_friend,$sex,$friends){

		$ran = rand(0,$total_friend-1);
		
		if($sex == 2) return $ran;
		if ($sex == 1 and $friends[$ran]['sex']=='male'){
			return $ran;
		} else if ($sex == 0 and $friends[$ran]['sex']=='female'){
			return $ran;
		} else {
			$ran =  matchSex($total_friend,$sex,$friends);
		}
	}
	
	public static function get_GetParameters() {
		global $_GET;
		$parameters = "";
		if($_GET){
			foreach($_GET as $key => $val){
				$parameters .= "$key:$val|";
			}
		}
		if(strlen($parameters) > 1 )
			$parameters = substr($parameters,0,-1);
		return $parameters;
	}
	
	public static function getRandomStr( $length = 8 )
	{
	    // character dictionary
	    $chars = array('a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 
	    'i', 'j', 'k', 'l','m', 'n', 'o', 'p', 'q', 'r', 's', 
	    't', 'u', 'v', 'w', 'x', 'y','z', 'A', 'B', 'C', 'D', 
	    'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L','M', 'N', 'O', 
	    'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y','Z', 
	    '0', '1', '2', '3', '4', '5', '6', '7', '8', '9');
	
	    // get keys
		$max = count($chars)-1;
		for ($i = 0; $i < $length; $i++){
			$keys[] = mt_rand(0,$max);	
		}
	    
	    $password = '';
	    for($i = 0; $i < $length; $i++)
	    {
	        $password .= $chars[$keys[$i]];
	    }
	   
	    return $password;
	}
	
	public static function getRandomNum( $length = 6 )
	{
	    // character dictionary
	    $chars = array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9');
	
	    // get keys
		$max = count($chars)-1;
		for ($i = 0; $i < $length; $i++){
			$keys[] = mt_rand(0,$max);	
		}
	    
	    $password = '';
	    for($i = 0; $i < $length; $i++)
	    {
	        $password .= $chars[$keys[$i]];
	    }
	   
	    return $password;
	}
	
	public static function getUrlHost($url){
		
		$host_end_pos = strpos($url,'/',7);
		if(!empty($host_end_pos)){
			$hostUrl = substr($url,0,$host_end_pos);
		}
		else{
			$hostUrl = $url;
		}
		return $hostUrl;
	}
	
	public static function handlePageRefer($logFile_pre){
		// Save refer log
		$refer = $_SERVER['HTTP_REFERER'];
		if(!empty($refer) && strpos($refer,'oasgames.com') === FALSE){
			$refer = commonFunc::getUrlHost($refer);
			Log::save_run_log($refer,$logFile_pre);
			// set cookie 
			setcookie("oas_lp_refer",$refer,0,'/','.oasgames.com');
		}
	}
	
	public static function sqlInjectCheck($input){
		
//		$sqlKeyWords = array(
//			'select','insert','update',
//			'delete','drop','create',
//			'truncate','database',
//			'table','column','add',
//			'load_file','grant','privileges',
//			' ',
//		);
//		
//		$input = strtolower($input);
//		
//		foreach ($sqlKeyWords as $kw){
//			if(strpos($input, $kw) !== FALSE){
//				return true;
//			}
//		}
		return false;
	}
	
	// Desc: Method to make request at server side
	// Para: 
	// @$default_ip can be set with the ip of the url host
	//    
	// Implemented by Huchunmei at 2013.2.27
	public static function curlMakeRequest($url, $params,$timeout=3,$isPostMethod=true,$default_ip='') {
		$curl   = curl_init();
		curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0);
		curl_setopt($curl, CURLOPT_HTTPHEADER, array("Content-Type: application/x-www-form-urlencoded"));	
		curl_setopt($curl, CURLOPT_URL, $url);
		curl_setopt($curl, CURLOPT_HTTPPROXYTUNNEL, 0);
		curl_setopt($curl, CURLOPT_POST, $isPostMethod);
		curl_setopt($curl, CURLOPT_TIMEOUT, $timeout);
		curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
		curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($params));  
		curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
		
		if(!empty($default_ip)) 
			curl_setopt($curl, CURLOPT_PROXY,$default_ip);
		
		$output   = curl_exec($curl);
		$httpinfo = curl_getinfo($curl);			
		curl_close($curl);
		if($httpinfo['http_code'] == 200){
			return $output;
		} else {
			return false;
		}
	}

	public static function curlRequest($url,$postData='',$timeout=3){
		
		$curl = curl_init(); 
		curl_setopt($curl, CURLOPT_URL, $url); 
		curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0); 
		curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 1); 
		curl_setopt($curl, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']); 
		curl_setopt($curl, CURLOPT_AUTOREFERER, 1); 
		
		if(!empty($postData)){
			curl_setopt($curl, CURLOPT_POST, 1); 
			curl_setopt($curl, CURLOPT_POSTFIELDS, $postData); 
		}
		curl_setopt($curl, CURLOPT_TIMEOUT, $timeout); 
		curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); 
		
		$resultData = curl_exec($curl);
		$httpInfo   = curl_getinfo($curl);
		
		if (curl_errno($curl)) {
			curl_close($curl);
			return false;
		}else{
			curl_close($curl);
			return $resultData;
		}
		
	}	
	
// Class end
}

?>