function disqus_footer in Disqus 6

Same name and namespace in other branches

1. 5 disqus.module \disqus_footer()

Implementation of hook_footer().

Parameters

$options: The options to pass off to the Disqus comments.

1 call to disqus_footer()

theme_disqus_comments in ./disqus.module

Renders the JavaScript to display the Disqus thread for the current page.

File

./disqus.module, line 417

Code

function disqus_footer($main = 0, $options = NULL) {

  // Adds the JavaScript required to constuct a Disqus thread.
  static $added = FALSE;
  if (!$added && isset($options)) {
    $added = TRUE;
    $domain = variable_get('disqus_domain', '');
    if (!empty($domain)) {

      // Add the Disqus Drupal behavior.
      drupal_add_js(drupal_get_path('module', 'disqus') . '/disqus.js');

      // Construct the Disqus settings.
      $settings = array(
        'url' => $options['url'],
        'title' => $options['title'],
        'identifier' => $options['identifier'],
        'shortname' => $domain,
      );

      // Inject the developer flag if we are debugging.
      if (isset($options['developer'])) {
        $settings['developer'] = 1;
      }

      // See if we are to inject the user's name and email address.
      global $user;
      if (variable_get('disqus_inherit_login', TRUE) && $user->uid > 0) {
        $settings['name'] = $user->name;
        $settings['email'] = $user->mail;
      }

      // Provide alternate language support if desired.
      if (variable_get('disqus_localization', FALSE)) {
        global $language;
        $settings['language'] = $language->language;
      }

      // Check if we are to provide Single Sign-On access.
      if (variable_get('disqus_sso', FALSE)) {
        $data = array();

        // Inject the user data if it's available.
        if ($user->uid > 0) {
          $data['id'] = $user->uid;
          $data['username'] = $user->name;
          $data['email'] = $user->mail;
          $data['url'] = url('user/' . $user->uid, array(
            'absolute' => TRUE,
          ));

          // Load the user's avatar.
          $user_picture_default = variable_get('user_picture_default', '');
          if (isset($user->picture) && !empty($user->picture)) {
            $data['avatar'] = url($user->picture, array(
              'absolute' => TRUE,
            ));
          }
          elseif (!empty($user_picture_default)) {
            $data['avatar'] = url($user_picture_default, array(
              'absolute' => TRUE,
            ));
          }
        }

        // Give Disqus information about the site.
        $settings['sso'] = array(
          'name' => variable_get('site_name', t('Drupal')),
          // The login window must be closed once the user logs in.
          'url' => url('user/login', array(
            'query' => array(
              'destination' => 'disqus/closewindow',
            ),
          )),
          // The logout link must redirect back to the original page.
          'logout' => url('logout', array(
            'query' => array(
              'destination' => $_GET['q'],
            ),
          )),
          'width' => 800,
          'height' => 600,
        );
        if ($logo = theme_get_setting('logo')) {
          $settings['sso']['button'] = $logo;
        }
        else {
          $settings['sso']['button'] = url('misc/druplicon.png', array(
            'absolute' => TRUE,
          ));
        }
        if ($favicon = theme_get_setting('favicon')) {
          $settings['sso']['icon'] = $favicon;
        }

        // Encode the data to be sent off to Disqus.
        $message = base64_encode(json_encode($data));
        $timestamp = time();
        $hmac = hash_hmac('sha1', "{$message} {$timestamp}", variable_get('disqus_secretkey', ''));

        // Stick the authentication requirements and data in the settings.
        $settings['remote_auth_s3'] = "{$message} {$hmac} {$timestamp}";
        $settings['api_key'] = variable_get('disqus_publickey', '');
      }

      // Add the JavaScript.
      drupal_add_js(array(
        'disqus' => $settings,
      ), 'setting');
    }
  }
}