protected function FacebookPostCollector::defaultAccessToken in Social Feed 8

Generate the Facebook access token.

Return value

string The access token.

Throws

\GuzzleHttp\Exception\GuzzleException

1 call to FacebookPostCollector::defaultAccessToken()

FacebookPostCollector::setFacebookClient in src/Services/FacebookPostCollector.php

Set the Facebook client.

File

src/Services/FacebookPostCollector.php, line 173

Class

FacebookPostCollector

Class FacebookPostCollector.

Namespace

Drupal\socialfeed\Services

Code

protected function defaultAccessToken() {
  $config = \Drupal::service('config.factory')
    ->getEditable('socialfeed.facebooksettings');
  $permanent_token = $config
    ->get('page_permanent_token');
  if (empty($permanent_token)) {
    $args = [
      'usertoken' => $this->userToken,
      'appid' => $this->appId,
      'appsecret' => $this->appSecret,
      'pageid' => $this->pageName,
    ];
    $client = \Drupal::httpClient();

    // Token.
    $request = $client
      ->request('GET', "https://graph.facebook.com/v4.0/oauth/access_token?grant_type=fb_exchange_token&client_id={$args['appid']}&client_secret={$args['appsecret']}&fb_exchange_token={$args['usertoken']}");
    $request = json_decode($request
      ->getBody()
      ->getContents());
    $long_token = $request->access_token;

    // User ID.
    $request = $client
      ->request('GET', "https://graph.facebook.com/v4.0/me?access_token={$long_token}");
    $request = json_decode($request
      ->getBody()
      ->getContents());
    $account_id = $request->id;

    // Page ID.
    $request = $client
      ->request('GET', "https://graph.facebook.com/v4.0/{$args['pageid']}?fields=id&access_token={$long_token}");
    $request = json_decode($request
      ->getBody()
      ->getContents());
    $page_id = $request->id;

    // Permanent Token.
    $request = $client
      ->request('GET', "https://graph.facebook.com/v4.0/{$account_id}/accounts?access_token={$long_token}");
    $request = json_decode($request
      ->getBody()
      ->getContents());
    foreach ($request->data as $response_data) {
      if ($response_data->id == $page_id) {
        $config
          ->set('page_permanent_token', $response_data->access_token)
          ->save();
        return $response_data->access_token;
      }
    }
  }
  else {
    return $permanent_token;
  }
}