trypost/app/Socialite/InstagramProvider.php

108 lines
3.6 KiB
PHP

<?php
declare(strict_types=1);
namespace App\Socialite;
use GuzzleHttp\RequestOptions;
use Laravel\Socialite\Two\AbstractProvider;
use Laravel\Socialite\Two\ProviderInterface;
use Laravel\Socialite\Two\User;
class InstagramProvider extends AbstractProvider implements ProviderInterface
{
protected $scopes = [
'instagram_business_basic',
'instagram_business_content_publish',
];
protected function getAuthUrl($state): string
{
// enable_fb_login=0 forces the pure Instagram Login flow (without
// delegating to Facebook OAuth). Tokens issued from the FB-delegated
// path can't be exchanged via graph.instagram.com/access_token.
return 'https://www.instagram.com/oauth/authorize?enable_fb_login=0&'.http_build_query([
'client_id' => $this->clientId,
'redirect_uri' => $this->redirectUrl,
'response_type' => 'code',
'scope' => implode(',', $this->getScopes()),
'state' => $state,
]);
}
protected function getTokenUrl(): string
{
return 'https://api.instagram.com/oauth/access_token';
}
protected function getUserByToken($token): array
{
$response = $this->getHttpClient()->get(config('trypost.platforms.instagram.graph_api').'/me', [
RequestOptions::QUERY => [
'access_token' => $token,
'fields' => 'id,username,account_type,name,profile_picture_url',
],
]);
return json_decode((string) $response->getBody(), true);
}
protected function mapUserToObject(array $user): User
{
return (new User)->setRaw($user)->map([
'id' => $user['id'],
'nickname' => $user['username'] ?? null,
'name' => $user['name'] ?? $user['username'] ?? null,
'avatar' => $user['profile_picture_url'] ?? null,
]);
}
public function getAccessTokenResponse($code): array
{
// Meta's docs document this endpoint with curl -F flags (multipart/form-data).
$multipart = [];
foreach ($this->getTokenFields($code) as $name => $contents) {
$multipart[] = ['name' => $name, 'contents' => (string) $contents];
}
$response = $this->getHttpClient()->post($this->getTokenUrl(), [
RequestOptions::MULTIPART => $multipart,
]);
$data = json_decode((string) $response->getBody(), true);
return $this->exchangeForLongLivedToken($data);
}
protected function exchangeForLongLivedToken(array $data): array
{
// Although Meta's docs don't list `client_id` as a required parameter,
// the API in practice rejects the request without it.
$response = $this->getHttpClient()->get(config('trypost.platforms.instagram.auth_api').'/access_token', [
RequestOptions::QUERY => [
'grant_type' => 'ig_exchange_token',
'client_id' => $this->clientId,
'client_secret' => $this->clientSecret,
'access_token' => data_get($data, 'access_token'),
],
]);
$longLivedData = json_decode((string) $response->getBody(), true);
return array_merge($data, [
'access_token' => $longLivedData['access_token'],
'expires_in' => $longLivedData['expires_in'] ?? null,
]);
}
protected function getTokenFields($code): array
{
return [
'client_id' => $this->clientId,
'client_secret' => $this->clientSecret,
'grant_type' => 'authorization_code',
'redirect_uri' => $this->redirectUrl,
'code' => $code,
];
}
}