[英]snapchat login kit web: invalid grant, invalid code verifier
我在我的 PHP 項目中使用 Snapchat 登錄套件 web。 我成功連接了用戶授權頁面。 授予授權后,我將在我的 redirect_uri 頁面中獲取代碼和 state GET 變量。 我需要一個訪問令牌,但是當我繼續下一步時,我收到一個錯誤響應,
1.invalid_grant 2.invalid code_verifier
這是我的登錄頁面和重定向頁面代碼:
--登錄頁面---
<?php
if(isset($_POST['login']))
{
$url="https://accounts.snapchat.com/accounts/oauth2/auth";
$clientId="my_client_id_get_from_snapchat_app_setting";
$client_secret="my_client_secrect_get_from_snapchat_app_setting";
$redirectUri="https://Snapreport.org/Redirect.php";
$method= "GET";
$str = 'arifusingsnapchat';
$state= base64_encode($str);
$code_verifier = "arifusingsnapchat225678909fghh8df777634567890";
$code_verifier_hash = hash("sha256",$code_verifier);
$code_challenge = base64_encode($code_verifier_hash);
$scopeList= array("https://auth.snapchat.com/oauth2/api/user.display_name",
"https://auth.snapchat.com/oauth2/api/user.bitmoji.avatar",
"https://auth.snapchat.com/oauth2/api/user.external_id"
);
$scope = implode($scopeList," ");
$stringArr = array(
"client_id" => $clientId,
"client_secret" => $client_secret,
"redirect_uri" => $redirectUri,
"code_challenge" => $code_challenge,
"code_challenge_method"=> "S256",
"response_type" => "code",
"scope" => $scope,
"state" => $state );
$query= http_build_query($stringArr, '', '&');
$request = $url."?".$query;
header("Location:".$request);
}
?>
--redirect_uri 頁面--
<?php
if(isset($_GET['code']) && isset($_GET['state']))
{
$code= $_GET['code'];
$state=$_GET['state'];
$url="https://accounts.snapchat.com/accounts/oauth2/token";
$clientId="my_client_id_get_from_snapchat_app_setting";
$client_secret="my_client_secrect_get_from_snapchat_app_setting";
$redirect_uri="https://Snapreport.org/Redirect.php";
$header = base64_encode($clientId.":".$client_secret);
$code_verifier = "arifusingsnapchat225678909fghh8df777634567890";
$payloaded_url=$url."?client_id=".$clientId."&client_secret=".$client_secret."&grant_type=authorization_code&redirect_uri=".$redirect_uri."&code=".$code."&code_verifier=".$code_verifier;
$ch = curl_init($payloaded_url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
'Content-Type' => 'application/json',
'Authorization'=> 'Basic '.$header
));
// execute!
$response = curl_exec($ch);
// close the connection, release resources used
curl_close($ch);
$res= json_decode($response);
// do anything you want with your response
echo "<pre>";
var_dump($res);
echo "</pre>";
}
Snapchat 登錄工具包 Web 文檔Snapchat 登錄工具包 Web 文檔https://kit.snapchat.com/docs/login-kit-web
在您的登錄頁面上:
$code_verifier_hash = urlencode(pack('H*', hash('sha256', $code_verifier)))
您可能還應該使用 B64 安全 url 編碼器,如下所示:
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