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<?php
/**
 * Module Name: Protect
 * Module Description: Enabling brute force protection will prevent bots and hackers from attempting to log in to your website with common username and password combinations.
 * Sort Order: 1
 * Recommendation Order: 4
 * First Introduced: 3.4
 * Requires Connection: Yes
 * Auto Activate: Yes
 * Module Tags: Recommended
 * Feature: Security
 * Additional Search Queries: security, jetpack protect, secure, protection, botnet, brute force, protect, login, bot, password, passwords, strong passwords, strong password, wp-login.php,  protect admin
 */

use Automattic\Jetpack\Constants;
use Automattic\Jetpack\Connection\Utils as Connection_Utils;

include_once JETPACK__PLUGIN_DIR . 'modules/protect/shared-functions.php';

class Jetpack_Protect_Module {

private static $__instance = null;
	public $api_key;
	public $api_key_error;
	public $whitelist;
	public $whitelist_error;
	public $whitelist_saved;
	private $local_host;
	public $last_request;
	public $last_response_raw;
	public $last_response;
	private $block_login_with_math;

/**
	 * Singleton implementation
	 *
	 * @return object
	 */
	public static function instance() {
		if ( ! is_a( self::$__instance, 'Jetpack_Protect_Module' ) ) {
			self::$__instance = new Jetpack_Protect_Module();
		}

return self::$__instance;
	}

/**
	 * Registers actions
	 */
	private function __construct() {
		add_action( 'jetpack_activate_module_protect', array ( $this, 'on_activation' ) );
		add_action( 'jetpack_deactivate_module_protect', array ( $this, 'on_deactivation' ) );
		add_action( 'jetpack_modules_loaded', array ( $this, 'modules_loaded' ) );
		add_action( 'login_form', array ( $this, 'check_use_math' ), 0 );
		add_filter( 'authenticate', array ( $this, 'check_preauth' ), 10, 3 );
		add_action( 'wp_login', array ( $this, 'log_successful_login' ), 10, 2 );
		add_action( 'wp_login_failed', array ( $this, 'log_failed_attempt' ) );
		add_action( 'admin_init', array ( $this, 'maybe_update_headers' ) );
		add_action( 'admin_init', array ( $this, 'maybe_display_security_warning' ) );

// This is a backup in case $pagenow fails for some reason
		add_action( 'login_form', array ( $this, 'check_login_ability' ), 1 );

// Load math fallback after math page form submission
		if ( isset( $_POST[ 'jetpack_protect_process_math_form' ] ) ) {
			include_once dirname( __FILE__ ) . '/protect/math-fallback.php';
			new Jetpack_Protect_Math_Authenticate;
		}

// Runs a script every day to clean up expired transients so they don't
		// clog up our users' databases
		require_once( JETPACK__PLUGIN_DIR . '/modules/protect/transient-cleanup.php' );
	}

/**
	 * On module activation, try to get an api key
	 */
	public function on_activation() {
		if ( is_multisite() && is_main_site() && get_site_option( 'jetpack_protect_active', 0 ) == 0 ) {
			update_site_option( 'jetpack_protect_active', 1 );
		}

update_site_option( 'jetpack_protect_activating', 'activating' );

// Get BruteProtect's counter number
		Jetpack_Protect_Module::protect_call( 'check_key' );
	}

/**
	 * On module deactivation, unset protect_active
	 */
	public function on_deactivation() {
		if ( is_multisite() && is_main_site() ) {
			update_site_option( 'jetpack_protect_active', 0 );
		}
	}

public function maybe_get_protect_key() {
		if ( get_site_option( 'jetpack_protect_activating', false ) && ! get_site_option( 'jetpack_protect_key', false ) ) {
			$key = $this->get_protect_key();
			delete_site_option( 'jetpack_protect_activating' );
			return $key;
		}

return get_site_option( 'jetpack_protect_key' );
	}

/**
	 * Sends a "check_key" API call once a day.  This call allows us to track IP-related
	 * headers for this server via the Protect API, in order to better identify the source
	 * IP for login attempts
	 */
	public function maybe_update_headers( $force = false ) {
		$updated_recently = $this->get_transient( 'jpp_headers_updated_recently' );

if ( ! $force ) {
			if ( isset( $_GET['protect_update_headers'] ) ) {
				$force = true;
			}
		}

// check that current user is admin so we prevent a lower level user from adding
		// a trusted header, allowing them to brute force an admin account
		if ( ( $updated_recently && ! $force ) || ! current_user_can( 'update_plugins' ) ) {
			return;
		}

$response = Jetpack_Protect_Module::protect_call( 'check_key' );
		$this->set_transient( 'jpp_headers_updated_recently', 1, DAY_IN_SECONDS );

if ( isset( $response['msg'] ) && $response['msg'] ) {
			update_site_option( 'trusted_ip_header', json_decode( $response['msg'] ) );
		}

}

public function maybe_display_security_warning() {
		if ( is_multisite() && current_user_can( 'manage_network' ) ) {
			if ( ! function_exists( 'is_plugin_active_for_network' ) ) {
				require_once( ABSPATH . '/wp-admin/includes/plugin.php' );
			}

if ( ! is_plugin_active_for_network( plugin_basename( JETPACK__PLUGIN_FILE ) ) ) {
				add_action( 'load-index.php', array( $this, 'prepare_jetpack_protect_multisite_notice' ) );
				add_action( 'wp_ajax_jetpack-protect-dismiss-multisite-banner', array( $this, 'ajax_dismiss_handler' ) );
			}
		}
	}

public function prepare_jetpack_protect_multisite_notice() {
		$dismissed = get_site_option( 'jetpack_dismissed_protect_multisite_banner' );
		if ( $dismissed ) {
			return;
		}

add_action( 'admin_notices', array ( $this, 'admin_jetpack_manage_notice' ) );
	}

public function ajax_dismiss_handler() {
		check_ajax_referer( 'jetpack_protect_multisite_banner_opt_out' );

if ( ! current_user_can( 'manage_network' ) ) {
			wp_send_json_error( new WP_Error( 'insufficient_permissions' ) );
		}

update_site_option( 'jetpack_dismissed_protect_multisite_banner', true );

wp_send_json_success();
	}

/**
	 * Displays a warning about Jetpack Protect's network activation requirement.
	 * Attaches some custom JS to Core's `is-dismissible` UI to save the dismissed state.
	 */
	public function admin_jetpack_manage_notice() {
		?>
		<div class="jetpack-protect-warning notice notice-warning is-dismissible" data-dismiss-nonce="<?php echo esc_attr( wp_create_nonce( 'jetpack_protect_multisite_banner_opt_out' ) ); ?>">
			<h2><?php esc_html_e( 'Jetpack Brute Force Attack Prevention cannot keep your site secure', 'jetpack' ); ?></h2>

<p>
				<a class="button-primary" href="<?php echo esc_url( network_admin_url( 'plugins.php' ) ); ?>">
					<?php esc_html_e( 'View Network Admin', 'jetpack' ); ?>
				</a>
				<a class="button" href="<?php echo esc_url( __( 'https://jetpack.com/support/multisite-protect', 'jetpack' ) ); ?>" target="_blank">
					<?php esc_html_e( 'Learn More' ); ?>
				</a>
			</p>
		</div>
		<script>
			jQuery( function( $ ) {
				$( '.jetpack-protect-warning' ).on( 'click', 'button.notice-dismiss', function( event ) {
					event.preventDefault();

wp.ajax.post(
						'jetpack-protect-dismiss-multisite-banner',
						{
							_wpnonce: $( event.delegateTarget ).data( 'dismiss-nonce' ),
						}
					).fail( function( error ) { <?php
						// A failure here is really strange, and there's not really anything a site owner can do to fix one.
						// Just log the error for now to help debugging. ?>

if ( 'function' === typeof error.done && '-1' === error.responseText ) {
							console.error( 'Notice dismissal failed: check_ajax_referer' );
						} else {
							console.error( 'Notice dismissal failed: ' + JSON.stringify( error ) );
						}
					} )
				} );
			} );
		</script>
		<?php
	}

/**
	 * Request an api key from wordpress.com
	 *
	 * @return bool | string
	 */
	public function get_protect_key() {

$protect_blog_id = Jetpack_Protect_Module::get_main_blog_jetpack_id();

// If we can't find the the blog id, that means we are on multisite, and the main site never connected
		// the protect api key is linked to the main blog id - instruct the user to connect their main blog
		if ( ! $protect_blog_id ) {
			$this->api_key_error = __( 'Your main blog is not connected to WordPress.com. Please connect to get an API key.', 'jetpack' );

return false;
		}

$request = array (
			'jetpack_blog_id'      => $protect_blog_id,
			'bruteprotect_api_key' => get_site_option( 'bruteprotect_api_key' ),
			'multisite'            => '0',
		);

// Send the number of blogs on the network if we are on multisite
		if ( is_multisite() ) {
			$request['multisite'] = get_blog_count();
			if ( ! $request['multisite'] ) {
				global $wpdb;
				$request['multisite'] = $wpdb->get_var( "SELECT COUNT(blog_id) as c FROM $wpdb->blogs WHERE spam = '0' AND deleted = '0' and archived = '0'" );
			}
		}

// Request the key
		$xml = new Jetpack_IXR_Client();
		$xml->query( 'jetpack.protect.requestKey', $request );

// Hmm, can't talk to wordpress.com
		if ( $xml->isError() ) {
			$code                = $xml->getErrorCode();
			$message             = $xml->getErrorMessage();
			$this->api_key_error = sprintf( __( 'Error connecting to WordPress.com. Code: %1$s, %2$s', 'jetpack' ), $code, $message );

return false;
		}

$response = $xml->getResponse();

// Hmm. Can't talk to the protect servers ( api.bruteprotect.com )
		if ( ! isset( $response['data'] ) ) {
			$this->api_key_error = __( 'No reply from Jetpack servers', 'jetpack' );

return false;
		}

// There was an issue generating the key
		if ( empty( $response['success'] ) ) {
			$this->api_key_error = $response['data'];

return false;
		}

// Key generation successful!
		$active_plugins = Jetpack::get_active_plugins();

// We only want to deactivate BruteProtect if we successfully get a key
		if ( in_array( 'bruteprotect/bruteprotect.php', $active_plugins ) ) {
			Jetpack_Client_Server::deactivate_plugin( 'bruteprotect/bruteprotect.php', 'BruteProtect' );
		}

$key = $response['data'];
		update_site_option( 'jetpack_protect_key', $key );

return $key;
	}

/**
	 * Called via WP action wp_login_failed to log failed attempt with the api
	 *
	 * Fires custom, plugable action jpp_log_failed_attempt with the IP
	 *
	 * @return void
	 */
	function log_failed_attempt( $login_user = null ) {

/**
		 * Fires before every failed login attempt.
		 *
		 * @module protect
		 *
		 * @since 3.4.0
		 *
		 * @param array Information about failed login attempt
		 *   [
		 *     'login' => (string) Username or email used in failed login attempt
		 *   ]
		 */
		do_action( 'jpp_log_failed_attempt', array( 'login' => $login_user ) );

if ( isset( $_COOKIE['jpp_math_pass'] ) ) {

$transient = $this->get_transient( 'jpp_math_pass_' . $_COOKIE['jpp_math_pass'] );
			$transient--;

if ( ! $transient || $transient < 1 ) {
				$this->delete_transient( 'jpp_math_pass_' . $_COOKIE['jpp_math_pass'] );
				setcookie( 'jpp_math_pass', 0, time() - DAY_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN, false );
			} else {
				$this->set_transient( 'jpp_math_pass_' . $_COOKIE['jpp_math_pass'], $transient, DAY_IN_SECONDS );
			}

}
		$this->protect_call( 'failed_attempt' );
	}

/**
	 * Set up the Protect configuration page
	 */
	public function modules_loaded() {
		Jetpack::enable_module_configurable( __FILE__ );
	}

/**
	 * Logs a successful login back to our servers, this allows us to make sure we're not blocking
	 * a busy IP that has a lot of good logins along with some forgotten passwords. Also saves current user's ip
	 * to the ip address whitelist
	 */
	public function log_successful_login( $user_login, $user = null ) {
		if ( ! $user ) { // For do_action( 'wp_login' ) calls that lacked passing the 2nd arg.
			$user = get_user_by( 'login', $user_login );
		}

$this->protect_call( 'successful_login', array ( 'roles' => $user->roles ) );
	}

/**
	 * Checks for loginability BEFORE authentication so that bots don't get to go around the log in form.
	 *
	 * If we are using our math fallback, authenticate via math-fallback.php
	 *
	 * @param string $user
	 * @param string $username
	 * @param string $password
	 *
	 * @return string $user
	 */
	function check_preauth( $user = 'Not Used By Protect', $username = 'Not Used By Protect', $password = 'Not Used By Protect' ) {
		$allow_login = $this->check_login_ability( true );
		$use_math    = $this->get_transient( 'brute_use_math' );

if ( ! $allow_login ) {
			$this->block_with_math();
		}

if ( ( 1 == $use_math || 1 == $this->block_login_with_math ) && isset( $_POST['log'] ) ) {
			include_once dirname( __FILE__ ) . '/protect/math-fallback.php';
			Jetpack_Protect_Math_Authenticate::math_authenticate();
		}

return $user;
	}

/**
	 * Get all IP headers so that we can process on our server...
	 *
	 * @return string
	 */
	function get_headers() {
		$ip_related_headers = array (
			'GD_PHP_HANDLER',
			'HTTP_AKAMAI_ORIGIN_HOP',
			'HTTP_CF_CONNECTING_IP',
			'HTTP_CLIENT_IP',
			'HTTP_FASTLY_CLIENT_IP',
			'HTTP_FORWARDED',
			'HTTP_FORWARDED_FOR',
			'HTTP_INCAP_CLIENT_IP',
			'HTTP_TRUE_CLIENT_IP',
			'HTTP_X_CLIENTIP',
			'HTTP_X_CLUSTER_CLIENT_IP',
			'HTTP_X_FORWARDED',
			'HTTP_X_FORWARDED_FOR',
			'HTTP_X_IP_TRAIL',
			'HTTP_X_REAL_IP',
			'HTTP_X_VARNISH',
			'REMOTE_ADDR'
		);

foreach ( $ip_related_headers as $header ) {
			if ( ! empty( $_SERVER[ $header ] ) ) {
				$output[ $header ] = $_SERVER[ $header ];
			}
		}

return $output;
	}

/*
	 * Checks if the IP address has been whitelisted
	 *
	 * @param string $ip
	 *
	 * @return bool
	 */
	function ip_is_whitelisted( $ip ) {
		// If we found an exact match in wp-config
		if ( defined( 'JETPACK_IP_ADDRESS_OK' ) && JETPACK_IP_ADDRESS_OK == $ip ) {
			return true;
		}

$whitelist = jetpack_protect_get_local_whitelist();

if ( is_multisite() ) {
			$whitelist = array_merge( $whitelist, get_site_option( 'jetpack_protect_global_whitelist', array () ) );
		}

if ( ! empty( $whitelist ) ) :
			foreach ( $whitelist as $item ) :
				// If the IPs are an exact match
				if ( ! $item->range && isset( $item->ip_address ) && $item->ip_address == $ip ) {
					return true;
				}

if ( $item->range && isset( $item->range_low ) && isset( $item->range_high ) ) {
					if ( jetpack_protect_ip_address_is_in_range( $ip, $item->range_low, $item->range_high ) ) {
						return true;
					}
				}
			endforeach;
		endif;

return false;
	}

/**
	 * Checks the status for a given IP. API results are cached as transients
	 *
	 * @param bool $preauth Whether or not we are checking prior to authorization
	 *
	 * @return bool Either returns true, fires $this->kill_login, or includes a math fallback and returns false
	 */
	function check_login_ability( $preauth = false ) {

/**
		 * JETPACK_ALWAYS_PROTECT_LOGIN will always disable the login page, and use a page provided by Jetpack.
		 */
		if ( Constants::is_true( 'JETPACK_ALWAYS_PROTECT_LOGIN' ) ) {
			$this->kill_login();
		}

if ( $this->is_current_ip_whitelisted() ) {
		    return true;
        }

$status = $this->get_cached_status();

if ( empty( $status ) ) {
			// If we've reached this point, this means that the IP isn't cached.
			// Now we check with the Protect API to see if we should allow login
			$response = $this->protect_call( $action = 'check_ip' );

if ( isset( $response['math'] ) && ! function_exists( 'brute_math_authenticate' ) ) {
				include_once dirname( __FILE__ ) . '/protect/math-fallback.php';
				new Jetpack_Protect_Math_Authenticate;

return false;
			}

$status = $response['status'];
		}

if ( 'blocked' == $status ) {
			$this->block_with_math();
		}

if ( 'blocked-hard' == $status ) {
			$this->kill_login();
		}

return true;
	}

function is_current_ip_whitelisted() {
		$ip = jetpack_protect_get_ip();

// Server is misconfigured and we can't get an IP
		if ( ! $ip && class_exists( 'Jetpack' ) ) {
			Jetpack::deactivate_module( 'protect' );
			ob_start();
			Jetpack::state( 'message', 'protect_misconfigured_ip' );
			ob_end_clean();
			return true;
		}

/**
		 * Short-circuit check_login_ability.
		 *
		 * If there is an alternate way to validate the current IP such as
		 * a hard-coded list of IP addresses, we can short-circuit the rest
		 * of the login ability checks and return true here.
		 *
		 * @module protect
		 *
		 * @since 4.4.0
		 *
		 * @param bool false Should we allow all logins for the current ip? Default: false
		 */
		if ( apply_filters( 'jpp_allow_login', false, $ip ) ) {
			return true;
		}

if ( jetpack_protect_ip_is_private( $ip ) ) {
			return true;
		}

if ( $this->ip_is_whitelisted( $ip ) ) {
			return true;
		}
    }

function get_cached_status() {
		$transient_name  = $this->get_transient_name();
		$value = $this->get_transient( $transient_name );
		if ( isset( $value['status'] ) ) {
		    return $value['status'];
        }
        return '';
	}

function block_with_math() {
		/**
		 * By default, Protect will allow a user who has been blocked for too
		 * many failed logins to start answering math questions to continue logging in
		 *
		 * For added security, you can disable this.
		 *
		 * @module protect
		 *
		 * @since 3.6.0
		 *
		 * @param bool Whether to allow math for blocked users or not.
		 */

$this->block_login_with_math = 1;
		/**
		 * Allow Math fallback for blocked IPs.
		 *
		 * @module protect
		 *
		 * @since 3.6.0
		 *
		 * @param bool true Should we fallback to the Math questions when an IP is blocked. Default to true.
		 */
		$allow_math_fallback_on_fail = apply_filters( 'jpp_use_captcha_when_blocked', true );
		if ( ! $allow_math_fallback_on_fail  ) {
			$this->kill_login();
		}
		include_once dirname( __FILE__ ) . '/protect/math-fallback.php';
		new Jetpack_Protect_Math_Authenticate;

return false;
	}

/*
	 * Kill a login attempt
	 */
	function kill_login() {
		if (
			isset( $_GET['action'], $_GET['_wpnonce'] ) &&
			'logout' === $_GET['action'] &&
			wp_verify_nonce( $_GET['_wpnonce'], 'log-out' ) &&
			wp_get_current_user()

) {
			// Allow users to logout
			return;
		}

$ip = jetpack_protect_get_ip();
		/**
		 * Fires before every killed login.
		 *
		 * @module protect
		 *
		 * @since 3.4.0
		 *
		 * @param string $ip IP flagged by Protect.
		 */
		do_action( 'jpp_kill_login', $ip );

if( defined( 'XMLRPC_REQUEST' ) && XMLRPC_REQUEST ) {
			$die_string = sprintf( __( 'Your IP (%1$s) has been flagged for potential security violations.', 'jetpack' ), str_replace( 'http://', '', esc_url( 'http://' . $ip ) ) );
			wp_die(
				$die_string,
				__( 'Login Blocked by Jetpack', 'jetpack' ),
				array ( 'response' => 403 )
			);
		}

require_once dirname( __FILE__ ) . '/protect/blocked-login-page.php';
		$blocked_login_page = Jetpack_Protect_Blocked_Login_Page::instance( $ip );

if ( $blocked_login_page->is_blocked_user_valid() ) {
			return;
		}

$blocked_login_page->render_and_die();
	}

/*
	 * Checks if the protect API call has failed, and if so initiates the math captcha fallback.
	 */
	public function check_use_math() {
		$use_math = $this->get_transient( 'brute_use_math' );
		if ( $use_math ) {
			include_once dirname( __FILE__ ) . '/protect/math-fallback.php';
			new Jetpack_Protect_Math_Authenticate;
		}
	}

/**
	 * If we're in a multisite network, return the blog ID of the primary blog
	 *
	 * @return int
	 */
	public function get_main_blog_id() {
		if ( ! is_multisite() ) {
			return false;
		}

global $current_site;
		$primary_blog_id = $current_site->blog_id;

return $primary_blog_id;
	}

/**
	 * Get jetpack blog id, or the jetpack blog id of the main blog in the main network
	 *
	 * @return int
	 */
	public function get_main_blog_jetpack_id() {
		if ( ! is_main_site() ) {
			switch_to_blog( $this->get_main_blog_id() );
			$id = Jetpack::get_option( 'id', false );
			restore_current_blog();
		} else {
			$id = Jetpack::get_option( 'id' );
		}

return $id;
	}

public function check_api_key() {
		$response = $this->protect_call( 'check_key' );

if ( isset( $response['ckval'] ) ) {
			return true;
		}

if ( isset( $response['error'] ) ) {

if ( $response['error'] == 'Invalid API Key' ) {
				$this->api_key_error = __( 'Your API key is invalid', 'jetpack' );
			}

if ( $response['error'] == 'API Key Required' ) {
				$this->api_key_error = __( 'No API key', 'jetpack' );
			}
		}

$this->api_key_error = __( 'There was an error contacting Jetpack servers.', 'jetpack' );

return false;
	}

/**
	 * Calls over to the api using wp_remote_post
	 *
	 * @param string $action 'check_ip', 'check_key', or 'failed_attempt'
	 * @param array $request Any custom data to post to the api
	 *
	 * @return array
	 */
	function protect_call( $action = 'check_ip', $request = array () ) {
		global $wp_version;

$api_key = $this->maybe_get_protect_key();

$user_agent = "WordPress/{$wp_version} | Jetpack/" . constant( 'JETPACK__VERSION' );

$request['action']            = $action;
		$request['ip']                = jetpack_protect_get_ip();
		$request['host']              = $this->get_local_host();
		$request['headers']           = json_encode( $this->get_headers() );
		$request['jetpack_version']   = constant( 'JETPACK__VERSION' );
		$request['wordpress_version'] = (string) $wp_version ;
		$request['api_key']           = $api_key;
		$request['multisite']         = "0";

if ( is_multisite() ) {
			$request['multisite'] = get_blog_count();
		}

/**
		 * Filter controls maximum timeout in waiting for reponse from Protect servers.
		 *
		 * @module protect
		 *
		 * @since 4.0.4
		 *
		 * @param int $timeout Max time (in seconds) to wait for a response.
		 */
		$timeout = apply_filters( 'jetpack_protect_connect_timeout', 30 );

$args = array (
			'body'        => $request,
			'user-agent'  => $user_agent,
			'httpversion' => '1.0',
			'timeout'     => absint( $timeout )
		);

$response_json           = wp_remote_post( JETPACK_PROTECT__API_HOST, $args );
		$this->last_response_raw = $response_json;

$transient_name = $this->get_transient_name();
		$this->delete_transient( $transient_name );

if ( is_array( $response_json ) ) {
			$response = json_decode( $response_json['body'], true );
		}

if ( isset( $response['blocked_attempts'] ) && $response['blocked_attempts'] ) {
			update_site_option( 'jetpack_protect_blocked_attempts', $response['blocked_attempts'] );
		}

if ( isset( $response['status'] ) && ! isset( $response['error'] ) ) {
			$response['expire'] = time() + $response['seconds_remaining'];
			$this->set_transient( $transient_name, $response, $response['seconds_remaining'] );
			$this->delete_transient( 'brute_use_math' );
		} else { // Fallback to Math Captcha if no response from API host
			$this->set_transient( 'brute_use_math', 1, 600 );
			$response['status'] = 'ok';
			$response['math']   = true;
		}

if ( isset( $response['error'] ) ) {
			update_site_option( 'jetpack_protect_error', $response['error'] );
		} else {
			delete_site_option( 'jetpack_protect_error' );
		}

return $response;
	}

function get_transient_name() {
		$headers     = $this->get_headers();
		$header_hash = md5( json_encode( $headers ) );

return 'jpp_li_' . $header_hash;
	}

/**
	 * Wrapper for WordPress set_transient function, our version sets
	 * the transient on the main site in the network if this is a multisite network
	 *
	 * We do it this way (instead of set_site_transient) because of an issue where
	 * sitewide transients are always autoloaded
	 * https://core.trac.wordpress.org/ticket/22846
	 *
	 * @param string $transient Transient name. Expected to not be SQL-escaped. Must be
	 *                           45 characters or fewer in length.
	 * @param mixed $value Transient value. Must be serializable if non-scalar.
	 *                           Expected to not be SQL-escaped.
	 * @param int $expiration Optional. Time until expiration in seconds. Default 0.
	 *
	 * @return bool False if value was not set and true if value was set.
	 */
	function set_transient( $transient, $value, $expiration ) {
		if ( is_multisite() && ! is_main_site() ) {
			switch_to_blog( $this->get_main_blog_id() );
			$return = set_transient( $transient, $value, $expiration );
			restore_current_blog();

return $return;
		}

return set_transient( $transient, $value, $expiration );
	}

/**
	 * Wrapper for WordPress delete_transient function, our version deletes
	 * the transient on the main site in the network if this is a multisite network
	 *
	 * @param string $transient Transient name. Expected to not be SQL-escaped.
	 *
	 * @return bool true if successful, false otherwise
	 */
	function delete_transient( $transient ) {
		if ( is_multisite() && ! is_main_site() ) {
			switch_to_blog( $this->get_main_blog_id() );
			$return = delete_transient( $transient );
			restore_current_blog();

return $return;
		}

return delete_transient( $transient );
	}

/**
	 * Wrapper for WordPress get_transient function, our version gets
	 * the transient on the main site in the network if this is a multisite network
	 *
	 * @param string $transient Transient name. Expected to not be SQL-escaped.
	 *
	 * @return mixed Value of transient.
	 */
	function get_transient( $transient ) {
		if ( is_multisite() && ! is_main_site() ) {
			switch_to_blog( $this->get_main_blog_id() );
			$return = get_transient( $transient );
			restore_current_blog();

return $return;
		}

return get_transient( $transient );
	}

/**
	 * Get the API host.
	 *
	 * @return string
	 *
	 * @deprecated 9.1.0 Use constant `JETPACK_PROTECT__API_HOST` instead.
	 */
	function get_api_host() {
		_deprecated_function( __METHOD__, 'jetpack-9.1.0' );

return JETPACK_PROTECT__API_HOST;
	}

function get_local_host() {
		if ( isset( $this->local_host ) ) {
			return $this->local_host;
		}

$uri = 'http://' . strtolower( $_SERVER['HTTP_HOST'] );

if ( is_multisite() ) {
			$uri = network_home_url();
		}

$uridata = wp_parse_url( $uri );

$domain = $uridata['host'];

// If we still don't have the site_url, get it
		if ( ! $domain ) {
			$uri     = get_site_url( 1 );
			$uridata = wp_parse_url( $uri );
			$domain  = $uridata['host'];
		}

$this->local_host = $domain;

return $this->local_host;
	}

}

$jetpack_protect = Jetpack_Protect_Module::instance();

global $pagenow;
if ( isset( $pagenow ) && 'wp-login.php' == $pagenow ) {
	$jetpack_protect->check_login_ability();
}

Rename File

[et_pb_section fb_built=”1″ theme_builder_area=”post_content” _builder_version=”4.17.4″ _module_preset=”default” custom_padding=”25px||20px|||”][et_pb_row _builder_version=”4.17.4″ _module_preset=”default” theme_builder_area=”post_content”][et_pb_column _builder_version=”4.17.4″ _module_preset=”default” theme_builder_area=”post_content” type=”4_4″][et_pb_image src=”https:\/\/retirementmaxradio.com\/wp-content\/uploads\/2022\/07\/Screen-Shot-2022-07-12-at-10.39.22-AM.png” _builder_version=”4.17.4″ _module_preset=”default” theme_builder_area=”post_content” hover_enabled=”0″ sticky_enabled=”0″][\/et_pb_image][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.17.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_row _builder_version=”4.17.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.17.4″ _module_preset=”default” global_colors_info=”{}”][et_pb_code _builder_version=”4.17.4″ _module_preset=”default” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″] <\/p>\n