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<?php
$server = "auth.equestria.horse";
header("Content-Type: text/plain");
if (!isset($_GET['code'])) {
die();
}
$appdata = json_decode(file_get_contents($_SERVER['DOCUMENT_ROOT'] . "/includes/app.json"), true);
$crl = curl_init('https://' . $server . '/hub/api/rest/oauth2/token');
curl_setopt($crl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($crl, CURLINFO_HEADER_OUT, true);
curl_setopt($crl, CURLOPT_POST, true);
curl_setopt($crl, CURLOPT_HTTPHEADER, [
"Authorization: Basic " . base64_encode($appdata["oauth"]["id"] . ":" . $appdata["oauth"]["secret"]),
"Content-Type: application/x-www-form-urlencoded",
"Accept: application/json"
]);
curl_setopt($crl, CURLOPT_POSTFIELDS, "grant_type=authorization_code&redirect_uri=" . urlencode("https://ponies.equestria.horse/Authentication/Callback") . "&code=" . $_GET['code']);
$result = curl_exec($crl);
$result = json_decode($result, true);
curl_close($crl);
if (isset($result["access_token"])) {
$crl = curl_init('https://' . $server . '/hub/api/rest/users/me');
curl_setopt($crl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($crl, CURLINFO_HEADER_OUT, true);
curl_setopt($crl, CURLOPT_HTTPHEADER, [
"Authorization: Bearer " . $result["access_token"],
"Accept: application/json"
]);
$result = curl_exec($crl);
$result = json_decode($result, true);
if (!in_array($result["id"], $appdata["oauth"]["allowed"])) {
header("Location: /");
die();
}
if (!file_exists($_SERVER['DOCUMENT_ROOT'] . "/includes/tokens")) mkdir($_SERVER['DOCUMENT_ROOT'] . "/includes/tokens");
$token = bin2hex(random_bytes(32));
file_put_contents($_SERVER['DOCUMENT_ROOT'] . "/includes/tokens/" . $token, json_encode($result));
header("Set-Cookie: PEH2_SESSION_TOKEN=" . $token . "; SameSite=None; Path=/; Secure; HttpOnly; Expires=" . date("r", time() + (86400 * 730)));
header("Location: /Authentication/Success");
die();
}
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