121 lines
3.1 KiB
PHP
121 lines
3.1 KiB
PHP
<?php
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/* Quit */
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defined('ABSPATH') OR exit;
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/**
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* Statify Blacklist
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*
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* @since 1.0.0
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*/
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class StatifyBlacklist
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{
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/**
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* Plugin options
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*
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* @since 1.0.0
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*/
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public static $_options;
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public static $multisite;
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/**
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* Class self initialize
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*
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* @since 1.0.0
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*/
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public static function instance()
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{
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new self();
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}
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/**
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* Class constructor
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*
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* @since 1.0.0
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*/
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public function __construct()
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{
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/* Skip on autosave or AJAX */
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if ( (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) OR (defined('DOING_AJAX') && DOING_AJAX) ) {
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return;
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}
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/* Plugin options */
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self::update_options();
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self::$multisite = (is_multisite() && array_key_exists(STATIFYBLACKLIST_BASE, (array)get_site_option('active_sitewide_plugins')));
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/* Add Filter to statify hook */
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add_filter('statify_skip_tracking', array('StatifyBlacklist', 'apply_blacklist_filter'));
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/* Admin only filters */
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if ( is_admin() ) {
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add_action('wpmu_new_blog', array('StatifyBlacklist_Install', 'init_site'));
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add_action('delete_blog', array('StatifyBlacklist_System', 'init_site'));
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add_filter('plugin_row_meta', array('StatifyBlacklist_Admin', 'plugin_meta_link'), 10, 2);
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if (is_multisite()) {
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register_deactivation_hook(__FILE__, array('StatifyBlacklist_Admin', 'single_site_deactivate'));
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add_action('network_admin_menu', array('StatifyBlacklist_Admin', '_add_menu_page'));
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add_filter('network_admin_plugin_action_links', array('StatifyBlacklist_Admin', 'plugin_actions_links'), 10, 2);
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} else {
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add_action('admin_menu', array('StatifyBlacklist_Admin', '_add_menu_page'));
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add_filter('plugin_action_links', array('StatifyBlacklist_Admin', 'plugin_actions_links'), 10, 2 );
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}
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}
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}
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/**
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* Update options
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*
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* @since 1.0.0
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*/
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public static function update_options($options = null) {
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if (isset($options)) {
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if ((is_multisite() && array_key_exists(STATIFYBLACKLIST_BASE, (array)get_site_option('active_sitewide_plugins'))))
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update_site_option('statify-blacklist', $options);
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else
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update_option('statify-blacklist', $options);
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}
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self::$_options = wp_parse_args(
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get_option('statify-blacklist'),
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array(
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'active_referer' => 0,
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'referer' => ''
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)
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);
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}
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/**
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* Apply the blacklist filter if active
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*
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* @return TRUE if referer matches blacklist.
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*
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* @since 1.0.0
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*/
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public static function apply_blacklist_filter() {
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/* Skip if blacklist is inactive */
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if (self::$_options['active_referer'] != 1) {
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return false;
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}
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/* Extract relevant domain parts */
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$referer = strtolower( ( isset($_SERVER['HTTP_REFERER']) ? parse_url($_SERVER['HTTP_REFERER'], PHP_URL_HOST) : '' ) );
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$referer = explode('.', $referer);
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if( count($referer) >1 )
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$referer = implode('.', array_slice($referer, -2));
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else
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$referer = implode('.', $referer);
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/* Get blacklist */
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$blacklist = explode("\r\n", self::$_options['referer']);
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/* Check blacklist */
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return in_array($referer, $blacklist);
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}
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}
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