function simple_fb_connect_redirect_to_fb in Simple FB Connect 7.2

Page callback for /user/simple-fb-connect.

Redirects the user to FB for authentication.

1 string reference to 'simple_fb_connect_redirect_to_fb'

simple_fb_connect_menu in ./simple_fb_connect.module

Implements hook_menu().

File

./simple_fb_connect.module, line 126

Simple Facebook Login Module for Drupal Sites.

Code

function simple_fb_connect_redirect_to_fb() {

  // Validate configuration.
  if (!simple_fb_connect_initialize()) {
    drupal_goto('user');
  }

  // FacebookRedirectLoginHelper requires session to be started.
  drupal_session_start();

  // Generate the URL where FB will return the user after authentication.
  $return_url = simple_fb_connect_get_return_url();
  $login_helper = new FacebookRedirectLoginHelper($return_url);

  // Allow other modules to modify FB permission scope.
  $scope = simple_fb_connect_get_scope();

  // Save the post login URL to session variables.
  simple_fb_connect_save_post_login_url();

  // Generate the URL where the user will be redirected for FB login.
  // If the user did not have email permission granted on previous attempt,
  // we use the re-request URL requesting only the email address.
  $api_version = simple_fb_connect_get_api_version();
  $login_url = $login_helper
    ->getLoginUrl($scope, $api_version);
  if (isset($_SESSION['simple_fb_connect']['reprompt'])) {
    $scope = array(
      'public_profile',
      'email',
    );
    $login_url = $login_helper
      ->getReRequestUrl($scope, $api_version);
  }

  // Redirect the user to Facebook for login.
  drupal_goto($login_url);

  // We should never reach this point because the user was redirected.
  return MENU_ACCESS_DENIED;
}