[PHP] Oauth授权和本地加密详解编程语言

<?php 
// qq登陆类 
class Sso{ 
    const APP_ID="101334262"; 
    const APP_KEY="xxxxxxxxxxxxxxx"; 
    //初始化 
    public static function init(){ 
        header("content-type:text/html;charset=utf-8"); 
    } 
        //主函数 
    public static function main(){ 
        //请求控制 
        $action=$_GET['action']; 
        if(!empty($action)){ 
            Sso::$action(); 
            return; 
        } 
        
        $par = 'grant_type=authorization_code' 
        . '&client_id='.Sso::APP_ID 
        . '&client_secret='.Sso::APP_KEY 
        . '&code='.$_REQUEST['code'] 
        . '&redirect_uri='.urlencode('http://www.qingguow.cn/sso.php'); 
        $rec=Sso::postUrlContents("https://graph.qq.com/oauth2.0/token",$par); 
        if(strpos($rec, 'access_token') !== false) { 
            parse_str($rec, $accessToken); 
            $openidJson=Sso::getUrlContents("https://graph.qq.com/oauth2.0/me?callback=callback&access_token={$accessToken['access_token']}"); 
            $openidJson=str_replace("callback( ", "", $openidJson); 
            $openidJson=str_replace(");", "", $openidJson); 
            $openidJson=json_decode($openidJson,true); 
            header("location:sso.php?action=getQQinfo&openid={$openidJson['openid']}&access_token={$accessToken['access_token']}"); 
        } 
    } 
    //获取用户信息 
    public static function getQQinfo(){ 
        Sso::init(); 
        $openid=$_GET['openid']; 
        $access_token=$_GET['access_token']; 
        $userJson=Sso::getUrlContents("https://graph.qq.com/user/get_user_info?openid={$openid}&access_token={$access_token}&oauth_consumer_key=".Sso::APP_ID); 
        $user=json_decode($userJson,true); 
        print_r($user); 
    } 
    //get方式请求数据 
    public static function getUrlContents($url){ 
        $ch = curl_init(); 
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE); 
        curl_setopt($ch, CURLOPT_HEADER, false); 
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); 
        curl_setopt($ch, CURLOPT_URL, $url); 
        curl_setopt($ch, CURLOPT_REFERER, $url); 
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); 
        $result = curl_exec($ch); 
        curl_close($ch); 
        return $result; 
    } 
    //post请求数据 
    public static function postUrlContents($url,$data = null){ 
        $curl = curl_init(); 
        curl_setopt($curl, CURLOPT_URL, $url); 
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE); 
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE); 
        if (!empty($data)){ 
        curl_setopt($curl, CURLOPT_POST, 1); 
        curl_setopt($curl, CURLOPT_POSTFIELDS, $data); 
        } 
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); 
        $output = curl_exec($curl); 
        curl_close($curl); 
        return $output; 
    } 
 
} 
Sso::main();