opnform/app/Http/Controllers/Auth/AppSumoAuthController.php

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<?php
namespace App\Http\Controllers\Auth;
use App\Http\Controllers\Controller;
use App\Models\License;
use App\Models\User;
use Illuminate\Auth\AuthenticationException;
use Illuminate\Foundation\Auth\AuthenticatesUsers;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Http;
class AppSumoAuthController extends Controller
{
use AuthenticatesUsers;
public function handleCallback(Request $request)
{
$this->validate($request, [
'code' => 'required',
]);
$accessToken = $this->retrieveAccessToken($request->code);
$license = $this->fetchOrCreateLicense($accessToken);
// If user connected, attach license
if (Auth::check()) return $this->attachLicense($license);
// otherwise start login flow by passing the encrypted license key id
if (is_null($license->user_id)) {
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return redirect(front_url('/register?appsumo_license='.encrypt($license->id)));
}
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return redirect(front_url('/register?appsumo_error=1'));
}
private function retrieveAccessToken(string $requestCode): string
{
return Http::withHeaders([
'Content-type' => 'application/json'
])->post('https://appsumo.com/openid/token/', [
'grant_type' => 'authorization_code',
'code' => $requestCode,
'redirect_uri' => route('appsumo.callback'),
'client_id' => config('services.appsumo.client_id'),
'client_secret' => config('services.appsumo.client_secret'),
])->throw()->json('access_token');
}
private function fetchOrCreateLicense(string $accessToken): License
{
// Fetch license from API
$licenseKey = Http::get('https://appsumo.com/openid/license_key/?access_token=' . $accessToken)
->throw()
->json('license_key');
// Fetch or create license model
$license = License::where('license_provider','appsumo')->where('license_key',$licenseKey)->first();
if (!$license) {
$licenseData = Http::withHeaders([
'X-AppSumo-Licensing-Key' => config('services.appsumo.api_key'),
])->get('https://api.licensing.appsumo.com/v2/licenses/'.$licenseKey)->json();
// Create new license
$license = License::create([
'license_key' => $licenseKey,
'license_provider' => 'appsumo',
'status' => $licenseData['status'] === 'active' ? License::STATUS_ACTIVE : License::STATUS_INACTIVE,
'meta' => $licenseData,
]);
}
return $license;
}
private function attachLicense(License $license) {
if (!Auth::check()) {
throw new AuthenticationException('User not authenticated');
}
// Attach license if not already attached
if (is_null($license->user_id)) {
$license->user_id = Auth::id();
$license->save();
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return redirect(front_url('/home?appsumo_connect=1'));
}
// Licensed already attached
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return redirect(front_url('/home?appsumo_error=1'));
}
/**
* @param User $user
* @param string|null $licenseHash
* @return string|null
*
* Returns null if no license found
* Returns true if license was found and attached
* Returns false if there was an error (license not found or already attached)
*/
public static function registerWithLicense(User $user, ?string $licenseHash): ?bool
{
if (!$licenseHash) {
return null;
}
$licenseId = decrypt($licenseHash);
$license = License::find($licenseId);
if ($license && is_null($license->user_id)) {
$license->user_id = $user->id;
$license->save();
return true;
}
return false;
}
}