function Init()
{
// I18n
load_plugin_textdomain(c_al2fb_text_domain, false, dirname(plugin_basename(__FILE__)) . '/language/');
// Image request
if (isset($_GET['al2fb_image'])) {
$img = dirname(__FILE__) . '/wp-blue-s.png';
header('Content-type: image/png');
readfile($img);
exit;
}
// Data URI request
if (isset($_GET['al2fb_data_uri'])) {
$post = get_post($_GET['al2fb_data_uri']);
$data_uri = self::Get_first_image($post);
// data:image/png;base64,
// data:[<MIME-type>][;charset=<encoding>][;base64],<data>
$semi = strpos($data_uri, ';');
$comma = strpos($data_uri, ',');
$content_type = substr($data_uri, 5, $semi - 5);
$data = substr($data_uri, $comma + 1);
header('Content-type: ' . $content_type);
echo base64_decode($data);
exit;
}
// Facebook registration
if (isset($_REQUEST['al2fb_reg'])) {
WPAL2Int::Facebook_registration();
exit;
}
// Facebook login
if (isset($_REQUEST['al2fb_login'])) {
WPAL2Int::Facebook_login();
exit;
}
// Facebook subscription
if (isset($_REQUEST['al2fb_subscription'])) {
self::Handle_fb_subscription();
exit;
}
// Set default capability
if (!get_option(c_al2fb_option_min_cap)) {
update_option(c_al2fb_option_min_cap, 'edit_posts');
}
// Enqueue style sheet
if (is_admin()) {
$css_name = $this->Change_extension(basename($this->main_file), '-admin.css');
$css_url = plugins_url($css_name, __FILE__);
wp_register_style('al2fb_style_admin', $css_url);
wp_enqueue_style('al2fb_style_admin');
} else {
$upload_dir = wp_upload_dir();
$css_name = $this->Change_extension(basename($this->main_file), '.css');
if (file_exists($upload_dir['basedir'] . '/' . $css_name)) {
$css_url = $upload_dir['baseurl'] . '/' . $css_name;
} else {
if (file_exists(TEMPLATEPATH . '/' . $css_name)) {
$css_url = get_bloginfo('template_directory') . '/' . $css_name;
} else {
$css_url = plugins_url($css_name, __FILE__);
}
}
wp_register_style('al2fb_style', $css_url);
wp_enqueue_style('al2fb_style');
}
if (get_option(c_al2fb_option_use_ssp) || is_admin()) {
wp_enqueue_script('jquery');
}
// Social share privacy
if (get_option(c_al2fb_option_use_ssp)) {
wp_enqueue_script('socialshareprivacy', plugins_url('/js/jquery.socialshareprivacy.js', __FILE__), array('jquery'));
}
// Check user capability
if (current_user_can(get_option(c_al2fb_option_min_cap))) {
if (is_admin()) {
// Initiate Facebook authorization
if (isset($_REQUEST['al2fb_action']) && $_REQUEST['al2fb_action'] == 'init') {
// Debug info
update_option(c_al2fb_log_redir_init, date('c'));
// Get current user
global $user_ID;
get_currentuserinfo();
// Clear cache
WPAL2Int::Clear_fb_pages_cache($user_ID);
WPAL2Int::Clear_fb_groups_cache($user_ID);
WPAL2Int::Clear_fb_friends_cache($user_ID);
// Redirect
$auth_url = WPAL2Int::Authorize_url($user_ID);
try {
// Check
if (ini_get('safe_mode') || ini_get('open_basedir') || $this->debug) {
update_option(c_al2fb_log_redir_check, 'No');
} else {
$response = WPAL2Int::Request($auth_url, '', 'GET');
update_option(c_al2fb_log_redir_check, date('c'));
}
// Redirect
wp_redirect($auth_url);
exit;
} catch (Exception $e) {
// Register error
update_option(c_al2fb_log_redir_check, $e->getMessage());
update_option(c_al2fb_last_error, $e->getMessage());
update_option(c_al2fb_last_error_time, date('c'));
// Redirect
if (is_multisite()) {
global $blog_id;
$error_url = get_admin_url($blog_id, 'admin.php?page=' . $this->main_plugin_name, 'admin');
} else {
$error_url = admin_url('admin.php?page=' . $this->main_plugin_name);
}
$error_url .= '&al2fb_action=error';
$error_url .= '&error=' . urlencode($e->getMessage());
wp_redirect($error_url);
exit;
}
}
}
// Handle Facebook authorization
WPAL2Int::Authorize();
}
self::Upgrade();
}