mapguesser/src/OAuth/GoogleOAuth.php

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2020-06-21 01:31:36 +02:00
<?php namespace MapGuesser\OAuth;
use MapGuesser\Http\Request;
class GoogleOAuth
{
private static $dialogUrlBase = 'https://accounts.google.com/o/oauth2/v2/auth';
private static $tokenUrlBase = 'https://oauth2.googleapis.com/token';
public function getDialogUrl(string $state, string $redirectUrl): string
{
$oauthParams = [
'response_type' => 'code',
'client_id' => $_ENV['GOOGLE_OAUTH_CLIENT_ID'],
'scope' => 'openid email',
'redirect_uri' => $redirectUrl,
'state' => $state,
'nonce' => hash('sha256', random_bytes(10) . microtime()),
];
return self::$dialogUrlBase . '?' . http_build_query($oauthParams);
}
public function getToken(string $code, string $redirectUrl)
{
$tokenParams = [
'code' => $code,
'client_id' => $_ENV['GOOGLE_OAUTH_CLIENT_ID'],
'client_secret' => $_ENV['GOOGLE_OAUTH_CLIENT_SECRET'],
'redirect_uri' => $redirectUrl,
'grant_type' => 'authorization_code',
];
$request = new Request(self::$tokenUrlBase, Request::HTTP_POST);
$request->setQuery($tokenParams);
$response = $request->send();
return json_decode($response->getBody(), true);
}
}