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<?php
namespace Drupal\social_auth_facebook\Form;
use Drupal\Core\Config\ConfigFactoryInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Path\PathValidatorInterface;
use Drupal\Core\Routing\RequestContext;
use Drupal\Core\Routing\RouteProviderInterface;
use Drupal\Core\Url;
use Drupal\social_auth\Form\SocialAuthSettingsForm;
use Symfony\Component\DependencyInjection\ContainerInterface;
class FacebookAuthSettingsForm extends SocialAuthSettingsForm {
protected $requestContext;
public function __construct(ConfigFactoryInterface $config_factory, RouteProviderInterface $route_provider, PathValidatorInterface $path_validator, RequestContext $request_context) {
parent::__construct($config_factory, $route_provider, $path_validator);
$this->requestContext = $request_context;
}
public static function create(ContainerInterface $container) {
return new static($container
->get('config.factory'), $container
->get('router.route_provider'), $container
->get('path.validator'), $container
->get('router.request_context'));
}
public function getFormId() {
return 'social_auth_facebook_settings';
}
protected function getEditableConfigNames() {
return array_merge(parent::getEditableConfigNames(), [
'social_auth_facebook.settings',
]);
}
public function buildForm(array $form, FormStateInterface $form_state) {
$config = $this
->config('social_auth_facebook.settings');
$form['fb_settings'] = [
'#type' => 'details',
'#title' => $this
->t('Facebook App settings'),
'#open' => TRUE,
'#description' => $this
->t('You need to first create a Facebook App at <a href="@facebook-dev">@facebook-dev</a>', [
'@facebook-dev' => 'https://developers.facebook.com/apps',
]),
];
$form['fb_settings']['app_id'] = [
'#type' => 'textfield',
'#required' => TRUE,
'#title' => $this
->t('Application ID'),
'#default_value' => $config
->get('app_id'),
'#description' => $this
->t('Copy the App ID of your Facebook App here. This value can be found from your App Dashboard.'),
];
$form['fb_settings']['app_secret'] = [
'#type' => 'textfield',
'#required' => TRUE,
'#title' => $this
->t('App Secret'),
'#default_value' => $config
->get('app_secret'),
'#description' => $this
->t('Copy the App Secret of your Facebook App here. This value can be found from your App Dashboard.'),
];
$form['fb_settings']['graph_version'] = [
'#type' => 'textfield',
'#required' => TRUE,
'#title' => $this
->t('Facebook Graph API version'),
'#default_value' => $config
->get('graph_version'),
'#description' => $this
->t('Copy the API Version of your Facebook App here. This value can be found from your App Dashboard. More information on API versions can be found at <a href="@facebook-changelog">Facebook Platform Changelog</a>', [
'@facebook-changelog' => 'https://developers.facebook.com/docs/apps/changelog',
]),
];
$form['fb_settings']['oauth_redirect_url'] = [
'#type' => 'textfield',
'#disabled' => TRUE,
'#title' => $this
->t('Valid OAuth redirect URIs'),
'#description' => $this
->t('Copy this value to <em>Valid OAuth redirect URIs</em> field of your Facebook App settings.'),
'#default_value' => Url::fromRoute('social_auth_facebook.callback')
->setAbsolute()
->toString(),
];
$form['fb_settings']['app_domains'] = [
'#type' => 'textfield',
'#disabled' => TRUE,
'#title' => $this
->t('App Domains'),
'#description' => $this
->t('Copy this value to <em>App Domains</em> field of your Facebook App settings.'),
'#default_value' => $this->requestContext
->getHost(),
];
$form['fb_settings']['site_url'] = [
'#type' => 'textfield',
'#disabled' => TRUE,
'#title' => $this
->t('Site URL'),
'#description' => $this
->t('Copy this value to <em>Site URL</em> field of your Facebook App settings.'),
'#default_value' => $GLOBALS['base_url'],
];
$form['fb_settings']['advanced'] = [
'#type' => 'details',
'#title' => $this
->t('Advanced settings'),
'#open' => FALSE,
];
$form['fb_settings']['advanced']['scopes'] = [
'#type' => 'textarea',
'#title' => $this
->t('Scopes for API call'),
'#default_value' => $config
->get('scopes'),
'#description' => $this
->t('Define any additional scopes to be requested, separated by a comma (e.g.: user_birthday,user_location).<br>
The scopes \'email\' and \'public_profile\' are added by default and always requested.<br>
You can see the full list of valid scopes and their description <a href="@scopes">here</a>.', [
'@scopes' => 'https://developers.facebook.com/docs/facebook-login/permissions/',
]),
];
$form['fb_settings']['advanced']['endpoints'] = [
'#type' => 'textarea',
'#title' => $this
->t('API calls to be made to collect data'),
'#default_value' => $config
->get('endpoints'),
'#description' => $this
->t('Define the Endpoints to be requested when user authenticates with Facebook for the first time<br>
Enter each endpoint in different lines in the format <em>endpoint</em>|<em>name_of_endpoint</em>.<br>
<b>For instance:</b><br>
/me?fields=birthday|user_birthday<br>
/me?fields=address|user_address'),
];
return parent::buildForm($form, $form_state);
}
public function validateForm(array &$form, FormStateInterface $form_state) {
$graph_version = $form_state
->getValue('graph_version');
if ($graph_version[0] === 'v') {
$graph_version = substr($graph_version, 1);
$form_state
->setValue('graph_version', $graph_version);
}
if (!preg_match('/^([2-9]|[1-9][0-9])\\.[0-9]{1,2}$/', $graph_version)) {
$form_state
->setErrorByName('graph_version', $this
->t('Invalid API version. The syntax for API version is for example <em>v2.8</em>'));
}
parent::validateForm($form, $form_state);
}
public function submitForm(array &$form, FormStateInterface $form_state) {
$values = $form_state
->getValues();
$this
->config('social_auth_facebook.settings')
->set('app_id', $values['app_id'])
->set('app_secret', $values['app_secret'])
->set('graph_version', $values['graph_version'])
->set('scopes', $values['scopes'])
->set('endpoints', $values['endpoints'])
->save();
parent::submitForm($form, $form_state);
}
}
