Created
May 15, 2017 05:55
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Example of using Steam OpenID service in PHP.
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| <?php | |
| /** | |
| * Using Steam Id provider example. | |
| * | |
| * Requires: iignatov/lightopenid @{link https://github.com/iignatov/LightOpenID} | |
| */ | |
| ini_set('log_errors', 0); | |
| ini_set('display_errors', 1); | |
| ini_set('error_reporting', -1); | |
| define('DOMAIN', getenv('DOMAIN')); // FYI doesn't have to be the same as referer, can contain port number | |
| define('STEAM_API_KEY', getenv('STEAM_API_KEY')); | |
| define('STEAM_PROVIDER_URL', 'http://steamcommunity.com/openid'); | |
| define('STEAM_API_USER', 'http://api.steampowered.com/ISteamUser/GetPlayerSummaries/v0002/?key=%s&steamids=%s&format=json'); // @see https://developer.valvesoftware.com/wiki/Steam_Web_API#GetPlayerSummaries_.28v0002.29 | |
| ob_start(); | |
| session_start(); | |
| require_once __DIR__ . '/vendor/autoload.php'; | |
| ?> | |
| <!doctype html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"/> | |
| <title>SteamLogin</title> | |
| </head> | |
| <body> | |
| <form action="?login" method="post"> | |
| <input type="image" width="114" height="43" border="0" | |
| src="//steamcommunity-a.akamaihd.net/public/images/signinthroughsteam/sits_large_noborder.png" /> | |
| </form> | |
| <?php | |
| try { | |
| $openId = new LightOpenID(DOMAIN); | |
| $isLoggedIn = false; | |
| if (!$openId->mode) { | |
| if (isset($_GET['login'])) { | |
| $openId->identity = STEAM_PROVIDER_URL; | |
| header('Location: ' . $openId->authUrl()); | |
| } | |
| } elseif ($openId->mode === 'cancel') { | |
| echo 'User has canceled authentication!'; | |
| } else { | |
| $isLoggedIn = $openId->validate(); | |
| echo 'User ' . ($isLoggedIn ? $openId->identity . ' has ' : 'has not ') . 'logged in.'; | |
| if ($isLoggedIn) { | |
| $responseText = file_get_contents(sprintf(STEAM_API_USER, STEAM_API_KEY, $openId->identity)); | |
| echo 'Plain ID: ', str_replace(STEAM_PROVIDER_URL . '/id/', '', $openId->identity), '<br>'; | |
| echo '<pre>' . $responseText . '</pre>'; | |
| } | |
| } | |
| } catch (Exception $e) { | |
| echo '<p>' . $e->getMessage() . '</p>'; | |
| } | |
| ?> | |
| </body> | |
| </html> |
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