<?php
/**
 * Handle all the redirects and hidden paths
 * Rewrite Class
 *
 * @file The Rewrites file
 * @package HMWP/Rewrite
 * @since 4.0.0
 */

defined('ABSPATH') || die('Cheatin\' uh?');

class HMWP_Controllers_Rewrite extends HMWP_Classes_FrontController
{
    /**
     * HMWP_Controllers_Rewrite constructor.
     *
     * @throws Exception
     */
    public function __construct()
    {
        parent::__construct();

        //If the plugin is set to be deactivated, return
        if (defined('HMWP_DISABLE') && HMWP_DISABLE ) {
            return;
        }

        //If doing cron, return
        if(defined('DOING_CRON') && DOING_CRON){
            return;
        }

        //Init the main hooks
        //start HMWP path process
        $this->initHooks();

    }

    /**
     * Init the plugin hooks
     *
     * @throws Exception
     * @return void
     */
    public function initHooks()
    {

        //stop here is the option is default.
        //the prvious code is needed for settings change and validation
        if (HMWP_Classes_Tools::getOption('hmwp_mode') == 'default' ) {
            return;
        }

        //if the mod_rewrite is not set in Apache, return
        if (HMWP_Classes_Tools::isApache() && !HMWP_Classes_Tools::isModeRewrite() ) {
            return;
        }

        //If safe parameter is set, clear the banned IPs and let the default paths
        if (HMWP_Classes_Tools::getIsset(HMWP_Classes_Tools::getOption('hmwp_disable_name')) ) {
            if (HMWP_Classes_Tools::getValue(HMWP_Classes_Tools::getOption('hmwp_disable_name')) == HMWP_Classes_Tools::getOption('hmwp_disable') ) {

                HMWP_Classes_ObjController::getClass('HMWP_Controllers_Brute')->clearBlockedIPs();
                HMWP_Classes_Tools::saveOptions('banlist_ip', json_encode(array()));

                add_filter('site_url', array($this->model, 'site_url'), PHP_INT_MAX, 2);
                add_filter('hmwp_process_init', '__return_false');
                return;
            }
        }

        //prevent slow websites due to misconfiguration in the config file
        if(count((array)HMWP_Classes_Tools::getOption( 'file_mappings' )) > 0){

            if(HMWP_Classes_Tools::getOption( 'prevent_slow_loading' )){
                add_filter('hmwp_process_hide_urls', '__return_false');
                return;
            }

        }

        //Check the whitelist IPs for accessing the hide paths
        HMWP_Classes_ObjController::getClass('HMWP_Models_Compatibility')->checkWhitelistIPs();

        //load the compatibility class when the plugin loads
        //Check boot compatibility for some plugins and functionalities
        HMWP_Classes_ObjController::getClass('HMWP_Models_Compatibility')->checkCompatibility();

        //don't let to rename and hide the current paths if logout is required
        if (HMWP_Classes_Tools::getOption('error') || HMWP_Classes_Tools::getOption('logout') ) {
            return;
        }

        //check if the custom paths ar set to be processed
        if(!apply_filters('hmwp_process_init', true)) {
            return;
        }

        //rename the author if set so
        add_filter('author_rewrite_rules', array($this->model, 'author_url'), PHP_INT_MAX, 1);

        //filters
        add_filter('query_vars', array($this->model, 'addParams'), 1, 1);
        add_filter('login_redirect', array($this->model, 'sanitize_login_redirect'), 9, 3);
        add_filter('wp_redirect', array($this->model, 'sanitize_redirect'), PHP_INT_MAX, 2);

        //hmwp redirect based on current user role
        if(HMWP_Classes_Tools::getOption('hmwp_do_redirects')) {
            add_action('wp_login', array($this->model, 'wp_login'), PHP_INT_MAX, 2);
            add_action('set_current_user', array('HMWP_Classes_Tools', 'setCurrentUserRole'), PHP_INT_MAX);
            add_filter('hmwp_url_login_redirect', array('HMWP_Classes_Tools', 'getCustomLoginURL'), 10, 1);
            add_filter('hmwp_url_logout_redirect', array('HMWP_Classes_Tools', 'getCustomLogoutURL'), 10, 1);
            add_filter('woocommerce_login_redirect', array('HMWP_Classes_Tools', 'getCustomLoginURL'), 10, 1);
        }

        //custom hook for WPEngine
        if (HMWP_Classes_Tools::isWpengine() && PHP_VERSION_ID >= 70400 ) {
            add_filter('wp_redirect', array($this->model, 'loopCheck'), PHP_INT_MAX, 1);
        }

        //actions
        add_action('login_init', array($this->model, 'login_init'), PHP_INT_MAX);
        add_action('login_head', array($this->model, 'login_head'), PHP_INT_MAX);
        add_action('wp_logout', array($this->model, 'wp_logout'), PHP_INT_MAX);
        add_action('check_admin_referer', array($this->model, 'check_admin_referer'), PHP_INT_MAX, 2);
        //change the admin url hmwp_login_init
        add_filter('login_title', array($this->model, 'login_title'), PHP_INT_MAX, 1);
        add_filter('lostpassword_url', array($this->model, 'lostpassword_url'), PHP_INT_MAX, 1);
        add_filter('register', array($this->model, 'register_url'), PHP_INT_MAX, 1);
        add_filter('login_url', array($this->model, 'login_url'), PHP_INT_MAX, 1);
        add_filter('logout_url', array($this->model, 'logout_url'), PHP_INT_MAX, 2);
        add_filter('admin_url', array($this->model, 'admin_url'), PHP_INT_MAX, 3);
        add_filter('network_admin_url', array($this->model, 'network_admin_url'), PHP_INT_MAX, 3);
        add_filter('home_url', array($this->model, 'home_url'), PHP_INT_MAX, 3);
        add_filter('site_url', array($this->model, 'site_url'), PHP_INT_MAX, 3);
        add_filter('network_site_url', array($this->model, 'site_url'), PHP_INT_MAX, 3);
        add_filter('plugins_url', array($this->model, 'plugin_url'), PHP_INT_MAX, 3);

        add_filter('wp_php_error_message', array($this->model, 'replace_error_message'), PHP_INT_MAX, 2);
        //Change the rest api if needed
        add_filter('rest_url_prefix', array($this->model, 'replace_rest_api'), 1);

        //check and set the cookied for the modified urls
        HMWP_Classes_ObjController::getClass('HMWP_Models_Cookies');

        //Start the buffent sooner if one of these conditions
        //If is ajax call... start the buffer right away
        //is always change the paths
        if (HMWP_Classes_Tools::isAjax() || HMW_ALWAYS_CHANGE_PATHS) {

            //Start the buffer
            $this->model->startBuffer();

        }

        //If not dashboard
        if(!is_admin() && !is_network_admin()) {

            //Check if buffer priority
            if(apply_filters('hmwp_priority_buffer', HMWP_Classes_Tools::getOption('hmwp_priorityload'))) {
                //Starte the buffer
                $this->model->startBuffer();
            }

            //hook the rss & feed
            if(HMWP_Classes_Tools::getOption('hmwp_hide_in_feed') ) {
                add_action('the_excerpt_rss', array($this->model, 'find_replace'));
                add_action('the_content_feed', array($this->model, 'find_replace'));
                add_action('rss2_head', array($this->model, 'find_replace'));
                add_action('commentsrss2_head', array($this->model, 'find_replace'));
                add_action('the_permalink_rss', array($this->model, 'find_replace_url'));
                add_action('comments_link_feed', array($this->model, 'find_replace_url'));
                add_action('get_site_icon_url', array($this->model, 'find_replace_url'));
            }

            //Check the buffer on shutdown
            if (HMWP_Classes_Tools::getOption('hmwp_hide_in_sitemap')  && isset($_SERVER['REQUEST_URI'])) {
                //check the buffer on shutdown
                add_action('shutdown', array($this->model, 'findReplaceXML'), 0); //priority 0 is important
            }

            //Robots.txt compatibility with other plugins
            if (HMWP_Classes_Tools::getOption('hmwp_robots') && isset($_SERVER['REQUEST_URI'])) {
                //Compatibility with
                if (strpos($_SERVER['REQUEST_URI'], '/robots.txt') !== false) {
                    add_action('shutdown', array($this->model, 'replaceRobots'), 0); //priority 0 is important
                }
            }

            //Hook the change paths on init
            add_action('init', array($this, 'hookChangePaths'));

            //Load the PluginLoaded Hook to hide URLs and Disable stuff
            add_action('init', array($this, 'hookHideDisable'));

        }

        //hide the URLs from admin and login
        add_action('init', array($this->model, 'hideUrls'));

    }

    /**
     * Hook the Hide & Disable options
     *
     * @throws Exception
     */
    public function hookHideDisable()
    {

        //Check if is valid for moving on
        if(HMWP_Classes_Tools::doHideDisable() ) {
            //////////////////////////////////Hide Options

            // add the security header if needed
            if(!HMWP_Classes_Tools::isApache() && !HMWP_Classes_Tools::isLitespeed()) {
                //avoid duplicates
                add_action('template_redirect', array($this->model, 'addSecurityHeader'), PHP_INT_MAX);
            }

            //remove PHP version, Server info, Server Signature from header.
            add_action('template_redirect', array($this->model, 'hideHeaders'), PHP_INT_MAX);

            //Hide the WordPress Generator tag
            if (HMWP_Classes_Tools::getOption('hmwp_hide_generator') ) {
                remove_action('wp_head', 'wp_generator');
                add_filter('the_generator', '__return_false', PHP_INT_MAX, 1);
            }

            //Hide the rest_api
            if (HMWP_Classes_Tools::getOption('hmwp_hide_rest_api') || HMWP_Classes_Tools::getOption('hmwp_disable_rest_api') ) {
                $this->model->hideRestApi();
            }

            //Hide Really Simple Discovery
            if (HMWP_Classes_Tools::getOption('hmwp_hide_rsd') ) {
                $this->model->disableRsd();
            }

            //Hide WordPress comments
            if (HMWP_Classes_Tools::getOption('hmwp_hide_comments') ) {
                $this->model->disableComments();
            }

            //Hide Windows Live Write
            if (HMWP_Classes_Tools::getOption('hmwp_disable_manifest') ) {
                $this->model->disableManifest();
            }

            //////////////////////////////////Disable Options

            //Disable the Emojiicons tag
            if (HMWP_Classes_Tools::getOption('hmwp_disable_emojicons') ) {
                $this->model->disableEmojicons();
            }


            //Disable the embeds
            if (HMWP_Classes_Tools::getOption('hmwp_disable_embeds') ) {
                $this->model->disableEmbeds();
            }

            //Disable the admin bar whe users are hidden in admin
            if (HMWP_Classes_Tools::getOption('hmwp_hide_admin_toolbar') ) {
                if (function_exists('is_user_logged_in') && is_user_logged_in() ) {

                    HMWP_Classes_Tools::setCurrentUserRole();
                    $role = HMWP_Classes_Tools::getUserRole();

                    $selected_roles = (array)HMWP_Classes_Tools::getOption('hmwp_hide_admin_toolbar_roles');

                    if (in_array($role, $selected_roles)) {
                        add_filter('show_admin_bar', '__return_false');
                    }

                }
            }

            //Disable Database Debug
            if (HMWP_Classes_Tools::getOption('hmwp_disable_debug') ) {
                global $wpdb;
                $wpdb->hide_errors();
            }

        }

        //Check if Disable keys and mouse action is on
        if (HMWP_Classes_Tools::doDisableClick()) {

            //only disable the click and keys wfor visitors
            if (!is_user_logged_in() ) {
                HMWP_Classes_ObjController::getClass('HMWP_Models_Clicks');
            }else {

                HMWP_Classes_Tools::setCurrentUserRole();
                $role = HMWP_Classes_Tools::getUserRole();

                if(HMWP_Classes_Tools::getOption('hmwp_disable_click_loggedusers')) {
                    $selected_roles = (array)HMWP_Classes_Tools::getOption('hmwp_disable_click_roles');

                    if (!in_array($role, $selected_roles)) {
                        add_filter('hmwp_option_hmwp_disable_click', '__return_false');
                    }

                }else{
                    add_filter('hmwp_option_hmwp_disable_click', '__return_false');
                }

                if(HMWP_Classes_Tools::getOption('hmwp_disable_inspect_loggedusers')) {
                    $selected_roles = (array)HMWP_Classes_Tools::getOption('hmwp_disable_inspect_roles');

                    if (!in_array($role, $selected_roles)) {
                        add_filter('hmwp_option_hmwp_disable_inspect', '__return_false');
                    }
                }else{
                    add_filter('hmwp_option_hmwp_disable_inspect', '__return_false');
                }

                if(HMWP_Classes_Tools::getOption('hmwp_disable_source_loggedusers')) {
                    $selected_roles = (array)HMWP_Classes_Tools::getOption('hmwp_disable_source_roles');

                    if (!in_array($role, $selected_roles)) {
                        add_filter('hmwp_option_hmwp_disable_source', '__return_false');
                    }
                }else{
                    add_filter('hmwp_option_hmwp_disable_source', '__return_false');
                }

                if(HMWP_Classes_Tools::getOption('hmwp_disable_copy_paste_loggedusers')) {
                    $selected_roles = (array)HMWP_Classes_Tools::getOption('hmwp_disable_copy_paste_roles');

                    if (!in_array($role, $selected_roles)) {
                        add_filter('hmwp_option_hmwp_disable_copy_paste', '__return_false');
                    }
                }else{
                    add_filter('hmwp_option_hmwp_disable_copy_paste', '__return_false');
                }

                if(HMWP_Classes_Tools::getOption('hmwp_disable_drag_drop_loggedusers')) {
                    $selected_roles = (array)HMWP_Classes_Tools::getOption('hmwp_disable_drag_drop_roles');

                    if (!in_array($role, $selected_roles)) {
                        add_filter('hmwp_option_hmwp_disable_drag_drop', '__return_false');
                    }
                }else{
                    add_filter('hmwp_option_hmwp_disable_drag_drop', '__return_false');
                }

                //check again if the options are active after the filrter are applied
                if(HMWP_Classes_Tools::getOption('hmwp_disable_click')
                    || HMWP_Classes_Tools::getOption('hmwp_disable_inspect')
                    || HMWP_Classes_Tools::getOption('hmwp_disable_source')
                    || HMWP_Classes_Tools::getOption('hmwp_disable_copy_paste')
                    || HMWP_Classes_Tools::getOption('hmwp_disable_drag_drop')
                ) {

                    HMWP_Classes_ObjController::getClass('HMWP_Models_Clicks');

                }

            }

        }
    }


    /**
     * Hook the Change Paths proces
     *
     * @throws Exception
     */
    public function hookChangePaths()
    {

        if(!HMWP_Classes_Tools::getValue('hmwp_preview')) {
            //if not frontend preview/testing

            if (HMWP_Classes_Tools::getOption('hmwp_mapping_file') ||
                count((array)HMWP_Classes_Tools::getOption( 'file_mappings' )) > 0) {

                //Load MappingFile Check the Mapping Files
                //Check the mapping file in case of config issues or missing rewrites
                HMWP_Classes_ObjController::getClass('HMWP_Models_Files')->maybeShowFile();

            }

            //in case of broken URL, try to load it
            //priority 1 is working for broken files
            add_action('template_redirect', array(HMWP_Classes_ObjController::getClass('HMWP_Models_Files'), 'maybeShowNotFound'), 1);

        }

        //Check Compatibilities with other plugins
        HMWP_Classes_ObjController::getClass('HMWP_Models_Compatibility')->checkBuildersCompatibility();

        ///////////////////////////////////////////////
        /// Check if changing the paths is true
        if(HMWP_Classes_Tools::doChangePaths()) {

            if (apply_filters('hmwp_laterload', HMWP_Classes_Tools::getOption('hmwp_laterload'))) {
                //On Late loading, start the buffer on template_redirect
                add_action('template_redirect', array($this->model, 'startBuffer'), PHP_INT_MAX);
            } else {
                add_action('template_redirect', array($this->model, 'startBuffer'), 1);
            }

            add_action('login_init', array($this->model, 'startBuffer'));

        }
    }

    /**
     *  On Admin Init
     *  Load the Menu
     *  If the user changes the Permalink to default ... prevent errors
     *
     * @throws Exception
     */
    public function hookInit()
    {

        //If the user changes the Permalink to default ... prevent errors
        if (HMWP_Classes_Tools::userCan('hmwp_manage_settings') && HMWP_Classes_Tools::getValue('settings-updated') ) {
            if ('default' <> HMWP_Classes_Tools::getOption('hmwp_mode') ) {
                $this->model->flushChanges();
            }
        }

        //Show the menu for admins only
        HMWP_Classes_ObjController::getClass('HMWP_Controllers_Menu')->hookInit();

    }

}
