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forcefield.php
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forcefield.php
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<?php
/*
Plugin Name: ForceField
Plugin URI: https://wordquest.org/plugins/forcefield/
Author: Tony Hayes
Description: Flexible Brute Force, User Action, API and Role Protection
Version: 1.0.8
Author URI: https://wordquest.org/
GitHub Plugin URI: majick777/forcefield
@fs_premium_only forcefield-pro.php
*/
if ( !defined( 'ABSPATH' ) ) {
exit;
}
// ==================
// === FORCEFIELD ===
// ==================
//
// === WordQuest Menus ===
// - Add WordQuest Submenu
// - WordQuest Submenu Icon Fix
// - Add WordQuest Sidebar Settings
// - Load WordQuest Admin Helper
// === Plugin Setup ===
// - Define Plugin Constants
// - Load Plugin Modules
// -- WordPress APIs Module
// --- XML RPC Filters
// --- REST API Filters
// -- Authentication Module
// --- Action Tokenizer
// --- Authentication Filters
// -- Blocklist Module
// -- Vulnerability Checker Module
// - Set Plugin Options
// - Special Options Filter
// - Set Plugin Configuration
// - Start Plugin Loader Instance
// - Check/Create Debug Directory
// - Debug Directory not Writeable Warning
// - Debug Htaccess Write Failure Warning
// === Plugin Settings ===
// - Plugin Admin Page Loader
// - maybe Transfer Old Settings
// - Process Special Settings
// === Helper Functions ===
// - Simple Alert Message
// - Get General Error Message
// - Get Remote IP Address
// - Get IP Address keys
// - Get Server IP Address
// - Get IP Address Type
// - Check if IP is in IP Range
// - 403 Forbidden and Exit
// - Filter WP Errors
// - Filter Login Error Messages (Hints)
// - Set Email Alerts From Name
// - Get Transient Timeout
// - Get CRON Intervals
// - Get Expiry Times
// Development TODOs
// -----------------
// + add debug switch
// + add WP CLI commands for clearing IP blocklists
// ? turn XML RPC method disable settings into on/off switches ?
// ? handle IPv6 blocklist range checking ?
// Development Ideas
// -----------------
// - option to require user to be logged in for blog signup ?
// - single device sign-ons (force logout all other sessions)
// - obscure all stylesheet and resource URL paths?
// -----------------------
// === WordQuest Menus ===
// -----------------------
// note: these actions must be added before loader is initiated
// ---------------------
// Add WordQuest Submenu
// ---------------------
add_filter( 'forcefield_admin_menu_added', 'forcefield_add_admin_menu', 10, 2 );
function forcefield_add_admin_menu( $added, $args ) {
// --- bug out if no wordquest helper ---
// 1.0.7: added this check
$wqhelper = dirname( __FILE__ ) . '/wordquest.php';
if ( !file_exists( $wqhelper ) ) {
return false;
}
// --- filter menu capability early ---
$capability = apply_filters( 'wordquest_menu_capability', 'manage_options' );
// --- maybe add Wordquest top level menu ---
global $admin_page_hooks;
if ( empty( $admin_page_hooks['wordquest'] ) ) {
$icon = plugins_url( 'images/wordquest-icon.png', $args['file'] );
$position = apply_filters( 'wordquest_menu_position', '3' );
add_menu_page( 'WordQuest Alliance', 'WordQuest', $capability, 'wordquest', 'wqhelper_admin_page', $icon, $position );
}
// --- check if using parent menu ---
// (and parent menu capability)
if ( isset( $args['parentmenu'] ) && ( 'wordquest' == $args['parentmenu'] ) && current_user_can( $capability ) ) {
// --- add WordQuest Plugin Submenu ---
add_submenu_page( 'wordquest', $args['pagetitle'], $args['menutitle'], $args['capability'], $args['slug'], $args['namespace'] . '_settings_page' );
// --- add icons and styling fix to the plugin submenu :-) ---
add_action( 'admin_footer', 'forcefield_wordquest_submenu_fix' );
return true;
}
return false;
}
// --------------------------
// WordQuest Submenu Icon Fix
// --------------------------
function forcefield_wordquest_submenu_fix() {
$args = forcefield_loader_instance()->args;
$icon_url = plugins_url( 'images/icon.png', $args['file'] );
// phpcs:ignore WordPress.Security.NonceVerification.Recommended
$current = ( isset( $_REQUEST['page'] ) && ( sanitize_title( $_REQUEST['page'] ) == $args['slug'] ) ) ? '1' : '0';
echo "<script>jQuery(document).ready(function() {if (typeof wordquestsubmenufix == 'function') {
wordquestsubmenufix('" . esc_js( $args['slug'] ) . "', '" . esc_url( $icon_url ) . "', '" . esc_js( $current ) . "');} });</script>";
}
// ------------------------------
// Add WordQuest Sidebar Settings
// ------------------------------
add_action( 'forcefield_add_settings', 'forcefield_add_settings', 10, 1 );
function forcefield_add_settings( $args ) {
if ( isset( $args['settings'] ) ) {
$adsboxoff = 'checked';
if ( file_exists( $args['dir'] . '/updatechecker.php' ) ) {
$adsboxoff = '';
}
// 1.0.4: use gmdate instead of date
$sidebaroptions = array(
'installdate' => gmdate( 'Y-m-d' ),
'donationboxoff' => '',
'subscribeboxoff' => '',
'reportboxoff' => '',
'adsboxoff' => $adsboxoff,
);
add_option( $args['settings'] . '_sidebar_options', $sidebaroptions );
}
}
// ---------------------------
// Load WordQuest Admin Helper
// ---------------------------
add_action( 'forcefield_loader_helpers', 'forcefield_load_wordquest_helper', 10, 1 );
function forcefield_load_wordquest_helper( $args ) {
if ( is_admin() && ( version_compare( PHP_VERSION, '5.3.0' ) >= 0 ) ) {
$wqhelper = dirname( __FILE__ ) . '/wordquest.php';
if ( file_exists( $wqhelper ) ) {
include $wqhelper;
global $wordquestplugins;
$slug = $args['slug'];
$wordquestplugins[$slug] = $args;
}
}
}
// --------------------
// === Plugin Setup ===
// --------------------
// -----------------------
// Define Plugin Constants
// -----------------------
// 1.0.1: added basic plugin constants
define( 'FORCEFIELD_DIR', dirname( __FILE__ ) );
define( 'FORCEFIELD_FILE', __FILE__ );
// -------------------
// Load Plugin Modules
// -------------------
// 0.9.7: moved above plugin loader for function accessibility
// --- WordPress APIs Module ---
require_once FORCEFIELD_DIR . '/forcefield-apis.php';
// --- Authentication Module ---
require_once FORCEFIELD_DIR . '/forcefield-auth.php';
// --- Blocklist Module ---
require_once FORCEFIELD_DIR . '/forcefield-block.php';
// --- Vulnerability Checker Module ---
// 1.0.1: temporarily removed for retesting
if ( file_exists( FORCEFIELD_DIR . '/forcefield-vuln.php' ) ) {
require_once FORCEFIELD_DIR . '/forcefield-vuln.php';
}
// ------------------
// Set Plugin Options
// ------------------
// --- set default administrator alert email to current user ---
// 0.9.6: added property_exists check for global context
global $current_user;
$adminemail = '';
if ( is_object( $current_user ) && property_exists( $current_user, 'user_email' ) ) {
$adminemail = $current_user->user_email;
if ( strstr( $adminemail, '@localhost' ) ) {
$adminemail = '';
}
}
// 1.0.1: set user block action options
$blockactions = array(
'' => __( 'Just Block Login', 'forcefield' ),
'revoke' => __( 'Revoke Admin Role', 'forcefield' ),
'demote' => __( 'Demote to Subscriber', 'forcefield' ),
'delete' => __( 'Delete User (Caution!)', 'forcefield' ),
);
// 0.9.6: converted to options for plugin loader class
// 0.9.7: use new emails setting option type to allow multiple emails
$options = array(
// --- Administrator Logins ---
'admin_block' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'admin_blockaction' => array(
// 'type' => '/delete/revoke/demote',
'type' => 'select',
'options' => $blockactions,
'default' => '',
),
'admin_whitelist' => array(
'type' => 'csv',
'options' => 'USERNAME',
'default' => '',
),
'admin_alert' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'admin_email' => array(
'type' => 'text',
'default' => $adminemail,
'options' => 'EMAILS',
),
// --- Super Admin Logins ---
'super_block' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'super_blockaction' => array(
// 'type' => '/delete/revoke/demote',
'type' => 'select',
'options' => $blockactions,
'default' => 'revoke',
),
'super_whitelist' => array(
'type' => 'csv',
'options' => 'USERNAME',
'default' => '',
),
'super_alert' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'super_email' => array(
'type' => 'text',
'options' => 'EMAILS',
'default' => $adminemail,
),
// --- IP Blocklist ---
'blocklist_tokenexpiry' => array(
'type' => 'numeric',
'default' => '300',
),
'blocklist_noreferer' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'blocklist_notoken' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'blocklist_badtoken' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'blocklist_unblocking' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'blocklist_whitelist' => array(
'type' => 'special',
'default' => '',
),
'blocklist_blacklist' => array(
'type' => 'special',
'default' => '',
),
'blocklist_cooldown' => array(
'type' => 'frequency',
'default' => '10minutes',
),
'blocklist_expiry' => array(
'type' => 'frequency',
'default' => 'hourly',
),
'blocklist_delete' => array(
'type' => 'frequency',
'default' => 'daily',
),
'blocklist_cleanups' => array(
'type' => 'frequency',
'default' => 'twicedaily',
),
// --- Login ---
'login_token' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'login_notokenban' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'login_norefblock' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'login_requiressl' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => '',
),
'login_nohints' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => '',
),
// --- Registration ---
'register_token' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'register_notokenban' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'register_norefblock' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'register_requiressl' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => '',
),
// --- BuddyPress Registration ---
// 0.9.5: added BuddyPress token field
'buddypress_token' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'buddypress_notokenban' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'buddypress_norefblock' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'buddypress_requiressl' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => '',
),
// --- Blog Signup (Multisite) ---
'signup_token' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'signup_notokenban' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'signup_norefblock' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'signup_requiressl' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => '',
),
// --- Lost Password ---
'lostpass_token' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'lostpass_notokenban' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => '',
),
'lostpass_norefblock' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'lostpass_requiressl' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => '',
),
// --- Comments ---
'comment_token' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'comment_notokenban' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'comment_norefblock' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'comment_requiressl' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => '',
),
// --- Application Passwords ---
// 1.0.1: added option to disable application passwords
'app_passwords_disable' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => '',
),
// --- XML RPC ---
'xmlrpc_disable' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => '',
),
'xmlrpc_noauth' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'xmlrpc_authblock' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'xmlrpc_authban' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'xmlrpc_requiressl' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => '',
),
'xmlrpc_slowdown' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'xmlrpc_anoncomments' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'xmlrpc_restricted' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => '',
),
'xmlrpc_roles' => array(
'type' => 'special',
'default' => array(),
),
'xmlrpc_nopingbacks' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => '',
),
'xmlrpc_noselfpings' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
// --- REST API ---
'restapi_disable' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => '',
),
'restapi_requiressl' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => '',
),
'restapi_slowdown' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'restapi_anoncomments' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => '',
),
'restapi_restricted' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => '',
),
'restapi_roles' => array(
'type' => 'special',
'default' => array(),
),
'restapi_nouserlist' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => 'yes',
),
'restapi_nolinks' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => '',
),
'restapi_nojsonp' => array(
'type' => 'checkbox',
'value' => 'yes',
'default' => '',
),
// 0.9.7: removed REST API prefix changes (this filter is better hardcoded in mu-plugins)
// 'restapi_prefix' => array('type' => 'alphanumeric', 'default' => ''),
// --- Vulnerability Checker ---
// 0.9.8: added vulnerability checker options
'vuln_api_token' => array(
'type' => 'text',
'default' => '',
),
'vuln_check_core' => array(
'type' => 'frequency',
'default' => 'daily',
),
'vuln_check_plugins' => array(
'type' => 'frequency',
'default' => 'hourly',
),
'vuln_check_themes' => array(
'type' => 'frequency',
'default' => 'twicedaily',
),
'vuln_core_emails' => array(
'type' => 'text',
'options' => 'EMAIL',
'default' => $adminemail,
),
'vuln_plugin_emails' => array(
'type' => 'text',
'options' => 'EMAIL',
'default' => $adminemail,
),
'vuln_theme_emails' => array(
'type' => 'text',
'optoins' => 'EMAIL',
'default' => $adminemail,
),
// --- Admin Page Interface ---
'current_tab' => array(
'type' => 'general/role-protect/user-actions/api-access/vuln-check/ip-blocklist',
'default' => 'general',
),
);
// ----------------------
// Special Options Filter
// ----------------------
// 0.9.7: added special options filter
add_filter( 'forcefield_options', 'forcefield_special_settings', 0 );
function forcefield_special_settings( $options ) {
// 0.9.1: add transgression limit defaults
$limits = forcefield_blocklist_get_default_limits();
foreach ( $limits as $key => $limit ) {
$options['limit_' . $key] = array( 'type' => 'numeric', 'default' => $limit );
}
return $options;
}
// ------------------------
// Set Plugin Configuration
// ------------------------
// 0.9.6: updated config to use plugin loader class
$slug = 'forcefield';
$args = array(
// --- Plugin Info ---
'slug' => $slug,
'file' => __FILE__,
'version' => '0.0.1',
// --- Menus and Links ---
'title' => 'ForceField',
'parentmenu' => 'wordquest',
'home' => 'https://wordquest.org/plugins/' . $slug . '/',
'support' => 'https://wordquest.org/quest-category/' . $slug . '/',
'share' => 'https://wordquest.org/plugins/' . $slug . '/#share',
'donate' => 'https://wordquest.org/contribute/?plugin=' . $slug,
'donatetext' => __( 'Support ForceField', 'forcefield' ),
'welcome' => '', // TODO
// --- Options ---
'namespace' => 'forcefield',
'option' => 'forcefield',
'options' => $options,
'settings' => 'ff',
// --- WordPress.Org ---
'wporgslug' => 'forcefield',
'textdomain' => 'forcefield',
'wporg' => true,
// --- Freemius ---
'freemius_id' => '1555',
'freemius_key' => 'pk_8c058d54aa8e43dbb8fd1259992ab',
'hasplans' => false,
'hasaddons' => false,
'plan' => 'free',
);
// ----------------------------
// Start Plugin Loader Instance
// ----------------------------
require FORCEFIELD_DIR . '/loader.php';
$instance = new forcefield_loader( $args );
// ----------------------------
// Check/Create Debug Directory
// ----------------------------
umask( 0000 );
$debugdir = FORCEFIELD_DIR . '/debug';
if ( !is_dir( $debugdir ) ) {
wp_mkdir_p( $debugdir );
}
if ( is_dir( $debugdir ) ) {
$debughtaccess = $debugdir . '/.htaccess';
$htaccess = 'deny from all';
// --- check for existing htaccess file and content match ---
$writehtaccess = false;
if ( !file_exists( $debughtaccess ) ) {
$writehtaccess = true;
// phpcs:ignore WordPress.PHP.YodaConditions.NotYoda
} elseif ( $htaccess != file_get_contents( $debughtaccess ) ) {
$writehtaccess = true;
}
if ( $writehtaccess ) {
// --- check direct writing method before writing ---
if ( !function_exists( 'get_filesystem_method' ) ) {
require_once ABSPATH . '/wp-admin/includes/file.php';
}
$checkmethod = get_filesystem_method( array(), $debugdir, false );
if ( 'direct' == $checkmethod ) {
// --- write directly ---
// phpcs:ignore WordPress.WP.AlternativeFunctions
$fh = fopen( $debughtaccess, 'w' );
// phpcs:ignore WordPress.WP.AlternativeFunctions
fwrite( $fh, $htaccess );
// phpcs:ignore WordPress.WP.AlternativeFunctions
fclose( $fh );
chmod( $debughtaccess, 0644 );
} else {
// --- write using WP Filesystem ---
global $wp_filesystem;
if ( empty( $wp_filesystem ) ) {WP_Filesystem();}
$wp_filesystem->put_contents( $debughtaccess, $htaccess, FS_CHMOD_FILE );
}
// 1.9.7: recheck for written .htaccess file
// phpcs:ignore WordPress.PHP.YodaConditions.NotYoda
if ( !file_exists( $debughtaccess ) || ( $htaccess != file_get_contents( $debughtaccess ) ) ) {
add_action( 'admin_notices', 'forcefield_debug_htaccess_warning' );
}
}
} else {
add_action( 'admin_notices', 'forcefield_debug_directory_warning' );
}
// -------------------------------------
// Debug Directory not Writeable Warning
// -------------------------------------
function forcefield_debug_directory_warning() {
global $forcefield;
$message = __( 'Warning', 'forcefield' ) . ': ' . $forcefield['title'] . ' ';
$message .= __( 'Debug Log Directory NOT writeable!', 'forcefield' );
// 1.0.1: output warning notice
echo '<div class="notice notice-warning">' . esc_html( $message ) . '</div>';
}
// ------------------------------------
// Debug Htaccess Write Failure Warning
// ------------------------------------
// 0.9.7: added this warning
function forcefield_debug_htaccess_warning() {
global $forcefield;
$message = __( 'Warning', 'forcefield' ) . ': ' . $forcefield['title'] . ' ';
$message .= __( 'Debug Log Directory .htaccess write failure.', 'forcefield' ) . '<br>';
$message .= __( 'It is recommended that you fix this problem manually.', 'forcefield' );
// 1.0.1: output warning notice
echo '<div class="notice notice-warning">' . esc_html( $message ) . '</div>';
}
// -----------------------
// === Plugin Settings ===
// -----------------------
// ------------------------
// Plugin Admin Page Loader
// ------------------------
function forcefield_settings_page() {
include dirname( __FILE__ ) . '/forcefield-admin.php';
forcefield_admin_page();
}
// ---------------------------
// maybe Transfer Old Settings
// ---------------------------
// 0.9.6: maybe transfer from 'settings' array key
// 1.0.1: deprecated as no longer needed
/* function forcefield_transfer_settings() {
global $forcefield;
$current = get_option('forcefield');
if ( $current && isset($current['settings'] ) ) {
foreach ( $current['settings'] as $key => $value ) {
$forcefield[$key] = $value;
}
if ( isset( $forcefield['settings'] ) ) {
unset( $forcefield['settings'] );
}
update_option( 'forcefield', $forcefield );
}
} */
// ------------------------
// Process Special Settings
// ------------------------
// 0.9.6: process special settings updates
// 0.9.7: removed restapi_prefix option saving
function forcefield_process_special( $settings ) {
// --- get needed data values ---
// $prefix = $settings['restapi_prefix'];
$roles = wp_roles()->get_names();
$intervals = forcefield_get_intervals();
// --- set special option keys and types ---
$optionkeys = array(
'blocklist_whitelist' => 'iptextarea',
'blocklist_blacklist' => 'iptextarea',
'blocklist_cooldown' => 'frequency',
'blocklist_expiry' => 'frequency',
'blocklist_delete' => 'frequency',
'blocklist_cleanups' => 'frequency',
// 0.9.7: removed restapi_prefix option
// 'restapi_prefix' => 'specialtext',
);
// --- loop to update special options ---
foreach ( $optionkeys as $key => $type ) {
$postkey = 'ff_' . $key;
// 1.0.4: add phpcs ignore as nonce has already been verified
// 1.0.5: moved check $_POST to within settings types
if ( 'specialtext' == $type ) {
// phpcs:ignore WordPress.Security.NonceVerification.Missing
$posted = isset( $_POST[$postkey] ) ? sanitize_text_field( $_POST[$postkey] ) : '';
$test = str_replace( '/', '', $posted );
$checkposted = preg_match( '/^[a-zA-Z0-9_\-]+$/', $test );
if ( $checkposted ) {
$settings[$key] = $posted;
} else {
$settings[$key] = '';
}
} elseif ( 'iptextarea' == $type ) {
// 1.0.5: use sanitize_textarea_field on textarea input
// phpcs:ignore WordPress.Security.NonceVerification.Missing
$posted = isset( $_POST[$postkey] ) ? sanitize_textarea_field( $_POST[$postkey] ) : '';
// 0.9.1: added for IP list textareas
if ( trim( $posted ) == '' ) {
$settings[$key] = '';
} else {
// --- validate textarea IP lines ---
$posted = stripslashes( $posted );
$validips = $iprows = array();
$iprows = explode( "\n", $posted );
// if ( strstr( $posted, "\n" ) ) {}
// else {$iprows = array( $posted );}
foreach ( $iprows as $i => $iprow ) {
// note: allowing for comma separated lines ---
$ips = array();
$iprow = trim( $iprow );
if ( strstr( $iprow, "," ) ) {
$ips = explode( ",", $iprow );
} else {
$ips = array( trim( $iprow ) );
}
foreach ( $ips as $ip ) {
$ip = trim( $ip );
$checkip = forcefield_get_ip_type( $ip );
if ( $checkip ) {
$validips[] = $ip;
}
}
}
$settings[$key] = $validips;
}
} elseif ( 'frequency' == $type ) {
// phpcs:ignore WordPress.Security.NonceVerification.Missing
$posted = isset( $_POST[$postkey] ) ? sanitize_text_field( $_POST[$postkey] ) : '';
if ( array_key_exists( $posted, $intervals ) ) {
$settings[$key] = $posted;
} else {
$settings[$key] = '';
}
}
}
// ---- maybe flush rewrite rules if REST prefix was changed ---
// 1.0.1: removed code for REST API prefix option
// if ( $prefix != $settings['restapi_prefix'] ) {
// flush_rewrite_rules();
// }
// --- handle XML RPC and REST API role restrictions ---
// 0.9.7: fix to remove newly unchecked API role restrictions
$settings['xmlrpc_roles'] = $settings['restapi_roles'] = array();
foreach ( $roles as $role => $label ) {
$xmlrpckey = 'ff_xmlrpc_role_' . $role;
// phpcs:ignore WordPress.Security.NonceVerification.Missing
if ( isset( $_POST[$xmlrpckey] ) ) {
// phpcs:ignore WordPress.Security.NonceVerification.Missing
if ( 'yes' == sanitize_title( $_POST[$xmlrpckey] ) ) {
$settings['xmlrpc_roles'][] = $role;
} elseif ( in_array( $role, $settings['xmlrpc_roles'] ) ) {
foreach ( $settings['xmlrpc_roles'] as $i => $value ) {
if ( $value == $role ) {
unset( $settings['xmlrpc_roles'][$i] );
}
}
}
}
$restkey = 'ff_restapi_role_' . $role;
// phpcs:ignore WordPress.Security.NonceVerification.Missing
if ( isset( $_POST[$restkey] ) ) {
// phpcs:ignore WordPress.Security.NonceVerification.Missing
if ( 'yes' == sanitize_title( $_POST[$restkey] ) ) {
$settings['restapi_roles'][] = $role;
} elseif ( in_array( $role, $settings['restapi_roles'] ) ) {
foreach ( $settings['restapi_roles'] as $i => $value ) {
if ( $value == $role ) {
unset( $settings['restapi_roles'][$i] );
}
}
}
}
}
// --- update transgression limits ---
// 0.9.1: handle transgression limit updates
$limits = forcefield_blocklist_get_default_limits();
foreach ( $limits as $key => $limit ) {
// phpcs:ignore WordPress.Security.NonceVerification.Missing
if ( isset( $_POST['ff_limit_' . $key] ) ) {
// phpcs:ignore WordPress.Security.NonceVerification.Missing
$posted = absint( $_POST['ff_limit_' . $key] );
// 0.9.6: allow for -1 = auto-pass and 0 = auto-fail
if ( $posted < -1 ) {
$posted = -1;
} elseif ( $posted < 1 ) {
$posted = 0;
}
$settings['limit_' . $key] = $posted;
} else {
$settings['limit_' . $key] = $limit;
}
}
return $settings;
}
// ------------------------
// === Helper Functions ===
// ------------------------
// 1.0.1: login role protection functions moved to forcefield-auth.php
// ------------------------
// Javascript Alert Message
// ------------------------
function forcefield_alert_message( $message ) {
echo "<script>alert('" . esc_js( $message ) . "');</script>";
}
// -------------------------
// Get General Error Message
// -------------------------
function forcefield_get_error_message() {
$message = __( 'Request Failed. Authentication Error.', 'forcefield' );
$message = apply_filters( 'forcefield_error_message', $message );
return $message;
}
// ---------------------
// Get Remote IP Address
// ---------------------
function forcefield_get_remote_ip( $debug = false ) {
// --- get server IP address ---
// 0.9.3: get server IP to match against
$serverip = forcefield_get_server_ip( $debug );
// --- get possible remote address keys ---
// 0.9.3: get remote address keys
$ipkeys = forcefield_get_remote_ip_keys();
// 0.9.7: fix for undefined local variable warning
$local = false;
foreach ( $ipkeys as $ipkey ) {
if ( isset( $_SERVER[$ipkey] ) && !empty( $_SERVER[$ipkey] ) ) {
// 1.0.5: use sanitize_text_field on $_SERVER IP value