[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();