Sign in through Steam! 스팀 웹 API를 이용하여 json으로 정보를 받아오기

스팀 웹 API를 이용하여 json으로 정보를 받아오기

1차 원본글 : https://forums.alliedmods.net/showthread.php?t=206689

-> 원본글의 file_get_contents() 기능이 제가 사용하는 dothome 에선 막혀있어서 curl 이란 함수를 찾아다 교체했습니다.

Api key 등록: http://steamcommunity.com/dev/apikey

Openid 소스 받기: https://gitorious.org/lightopenid/

우선, 스팀 API키를 발급받아야 하고, Openid 코드들 중 MIT 라이선스를 사용하는 LightOpenID를 본인의 웹서버에 업로드 해두어야 합니다.

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<?php     error_reporting(E_ERROR | E_PARSE | E_WARNING);     $user = new user;     $user->apikey = "xxxxxxxxxxxxxxxxxxxxx"; // 발급받은 API Key값.     $user->domain = "domain.com"; // 발급 받을때 등록한 도메인.     function curl($url) {         // file_get_contents 역할 대체용.         $ch = curl_init();         curl_setopt($ch, CURLOPT_URL, $url);         curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);         curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);         $g = curl_exec($ch);         curl_close($ch);         return $g;     }       class user     {         public static $apikey;         public static $domain;           public function GetPlayerSummaries ($steamid)         {             $response = curl('http://api.steampowered.com/ISteamUser/GetPlayerSummaries/v0002/?key=' . $this->apikey . '&steamids=' . $steamid);             $json = json_decode($response);             return $json->response->players[0];         }           public function signIn ()         {             require_once 'openid.php';             $openid = new LightOpenID($this->domain);             if(!$openid->mode)             {                 $openid->identity = 'http://steamcommunity.com/openid';                 header('Location: ' . $openid->authUrl());             }             elseif($openid->mode == 'cancel')             {                 print ('User has canceled authentication!');             }             else             {                 if($openid->validate())                 {                     preg_match("/^http:\/\/steamcommunity\.com\/openid\/id\/(7[0-9]{15,25}+)$/", $openid->identity, $matches); // steamID: $matches[1]                     setcookie('steamID', $matches[1], time()+(60*60*24*7), '/'); // 1 week                     header('Location: /');                     exit;                 }                 else                 {                     print ('fail');                 }             }         }     }     if(isset($_GET['login']))     {         $user->signIn();     }     if (array_key_exists( 'logout', $_POST ))     {         setcookie('steamID', '', -1, '/');         header('Location: /');     }     if(!$_COOKIE['steamID'])     {         print ('<form action="?login" method="post">         <input type="image" src="http://cdn.steamcommunity.com/public/images/signinthroughsteam/sits_large_border.png"/>         </form>');     }     else     {         print('<form method="post"><button title="Logout" name="logout">Logout</button></form>');         echo $user->GetPlayerSummaries($_COOKIE['steamID'])->personaname;         print('<img src="'.$user->GetPlayerSummaries($_COOKIE['steamID'])->avatar.'"/>');     } ?>