function authcache_init in Authenticated User Page Caching (Authcache) 7

Same name and namespace in other branches

1. 6 authcache.module \authcache_init()
2. 7.2 authcache.module \authcache_init()

Implements hook_init().

File

./authcache.module, line 113

Authenticated User Page Caching (and anonymous users, too!)

Code

function authcache_init() {
  global $user, $_authcache_is_cacheable, $_authcache_info;

  // Pressflow compatibility (since Pressflow doesn't set this cookie)
  if (($sysblock = system_block_info()) && $sysblock['powered-by'] == t('Powered by Pressflow')) {
    drupal_add_js("document.cookie = 'has_js=1; path=/';", array(
      'scope' => 'header',
    ));
  }

  // Authcache core JS and cookie library
  drupal_add_library('system', 'jquery.cookie');
  drupal_add_js(drupal_get_path('module', 'authcache') . '/authcache.js');

  // Add JS for debug mode?
  if (_authcache_debug_access()) {
    drupal_add_js(drupal_get_path('module', 'authcache') . '/authcache.debug.js', array(
      'type' => 'file',
      'scope' => 'header',
    ));

    // Also see authcache_authcache_info() for user debug settings
  }
  drupal_add_css(drupal_get_path('module', 'authcache') . '/authcache.css', array(
    'type' => 'file',
    'scope' => 'header',
  ));

  //moved to hook_exit (as per boost module) as an experiment

  //register_shutdown_function('_authcache_shutdown_save_page');
  $_authcache_info = array();
  $_authcache_is_cacheable = _authcache_is_cacheable();
  if ($_authcache_is_cacheable) {
    global $conf;

    // Don't allow format_date() to use the user's local timezone
    $conf['configurable_timezones'] = FALSE;

    // Initialize Authcache after all other JS is loaded
    drupal_add_js('jQuery(function() { Authcache.init(); });', array(
      'type' => 'inline',
      'scope' => 'header',
    ));

    // Force Ajax to use POST method instead of GET
    if (variable_get('authcache_post', FALSE)) {
      drupal_add_js(array(
        'Authcache' => array(
          'post' => 1,
        ),
      ), array(
        'type' => 'setting',
        'scope' => 'header',
      ));
    }

    // Forcibly disable Drupal's built-in SQL caching
    // (No need to cache page twice for anonymous users)
    if (!$user->uid && variable_get('cache', CACHE_DISABLED) != CACHE_DISABLED) {
      $conf['cache'] = CACHE_DISABLED;
    }

    // Status messages prevent pages from being cached.
    if (variable_get('authcache_debug_page', FALSE)) {
      drupal_set_message(t('Caching disabled by') . ' ' . l('Authcache Config.', 'admin/config/development/performance/authcache/config'));
    }
  }

  // Remove debug cookies
  if (isset($_COOKIE['authcache_debug']) && !_authcache_debug_access()) {
    setcookie('authcache_debug', "", REQUEST_TIME - 84000);

    // Delete JS cookie
    setcookie('authcache_debug', "", REQUEST_TIME - 84000, ini_get('session.cookie_path'), ini_get('session.cookie_domain'), ini_get('session.cookie_secure') == '1');
    setcookie('nocache', "", REQUEST_TIME - 84000, ini_get('session.cookie_path'), ini_get('session.cookie_domain'), ini_get('session.cookie_secure') == '1');
    setcookie('nocache_temp', "", REQUEST_TIME - 84000, ini_get('session.cookie_path'), ini_get('session.cookie_domain'), ini_get('session.cookie_secure') == '1');
  }
}