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Your IP : 216.73.216.152
<?php
/*
Copyright (C) 2015-16 Gregory Markov, http://wpcerber.com
Licenced under the GNU GPL
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
// If this file is called directly, abort executing.
if ( ! defined( 'WPINC' ) ) { exit; }
define('CERBER_OPT','cerber-main'); // tab 1
define('CERBER_OPT_H','cerber-hardening'); // tab 2
define('CERBER_OPT_U','cerber-users'); // tab 3
//define('CERBER_OPTIONS','cerberus');
/*
WP Settings API
*/
add_action('admin_init', 'cerber_settings_init');
function cerber_settings_init(){
// Main Settings tab
$tab='main'; // 'cerber-main' settings
register_setting( 'cerberus-'.$tab, 'cerber-'.$tab );
add_settings_section('cerber', __('Limit login attempts','cerber'), 'cerberus_section_main', 'cerber-'.$tab);
add_settings_field('attempts',__('Attempts','cerber'),'cerberus_field_show','cerber-'.$tab,'cerber',array('group'=>$tab,'option'=>'attempts','type'=>'attempts'));
add_settings_field('lockout',__('Lockout duration','cerber'),'cerberus_field_show','cerber-'.$tab,'cerber',array('group'=>$tab,'option'=>'lockout','type'=>'text','label'=>__('minutes','cerber'),'size'=>3));
add_settings_field('aggressive',__('Aggressive lockout','cerber'),'cerberus_field_show','cerber-'.$tab,'cerber',array('group'=>$tab,'type'=>'aggressive'));
add_settings_field('notify',__('Notifications','cerber'),'cerberus_field_show','cerber-'.$tab,'cerber',array('group'=>$tab,'type'=>'notify','option'=>'notify'));
add_settings_field('proxy',__('Site connection','cerber'),'cerberus_field_show','cerber-'.$tab,'cerber',array('group'=>$tab,'option'=>'proxy','type'=>'checkbox','label'=>__('My site is behind a reverse proxy','cerber')));
add_settings_section('proactive', __('Proactive security rules','cerber'), 'cerberus_section_proactive', 'cerber-'.$tab);
add_settings_field('subnet',__('Block subnet','cerber'),'cerberus_field_show','cerber-'.$tab,'proactive',array('group'=>$tab,'option'=>'subnet','type'=>'checkbox','label'=>__('Always block entire subnet Class C of intruders IP','cerber')));
add_settings_field('nonusers',__('Non-existent users','cerber'),'cerberus_field_show','cerber-'.$tab,'proactive',array('group'=>$tab,'option'=>'nonusers','type'=>'checkbox','label'=>__('Immediately block IP when attempting to login with a non-existent username','cerber')));
add_settings_field('noredirect',__('Redirect dashboard requests','cerber'),'cerberus_field_show','cerber-'.$tab,'proactive',array('group'=>$tab,'option'=>'noredirect','type'=>'checkbox','label'=>__('Disable automatic redirecting to the login page when /wp-admin/ is requested by an unauthorized request','cerber')));
add_settings_field('wplogin',__('Request wp-login.php','cerber'),'cerberus_field_show','cerber-'.$tab,'proactive',array('group'=>$tab,'option'=>'wplogin','type'=>'checkbox','label'=>__('Immediately block IP after any request to wp-login.php','cerber')));
add_settings_section('custom', __('Custom login page','cerber'), 'cerberus_section_custom', 'cerber-'.$tab);
add_settings_field('loginpath',__('Custom login URL','cerber'),'cerberus_field_show','cerber-'.$tab,'custom',array('group'=>$tab,'option'=>'loginpath','type'=>'text','label'=>__('must not overlap with the existing pages or posts slug','cerber')));
add_settings_field('loginnowp',__('Disable wp-login.php','cerber'),'cerberus_field_show','cerber-'.$tab,'custom',array('group'=>$tab,'option'=>'loginnowp','type'=>'checkbox','label'=>__('Block direct access to wp-login.php and return HTTP 404 Not Found Error','cerber')));
add_settings_section('citadel', __('Citadel mode','cerber'), 'cerberus_section_citadel', 'cerber-'.$tab);
add_settings_field('citadel',__('Threshold','cerber'),'cerberus_field_show','cerber-'.$tab,'citadel',array('group'=>$tab,'type'=>'citadel'));
add_settings_field('ciduration',__('Duration','cerber'),'cerberus_field_show','cerber-'.$tab,'citadel',array('group'=>$tab,'option'=>'ciduration','type'=>'text','label'=>__('minutes','cerber'),'size'=>3));
//add_settings_field('ciwhite',__('Whitelist','cerber'),'cerberus_field_show','cerber-'.$tab,'citadel',array('group'=>$tab,'option'=>'ciwhite','type'=>'checkbox','label'=>__('Allow whitelist in Citadel mode','cerber')));
add_settings_field('cinotify',__('Notifications','cerber'),'cerberus_field_show','cerber-'.$tab,'citadel',array('group'=>$tab,'option'=>'cinotify','type'=>'checkbox','label'=>__('Send notification to admin email','cerber').' (<a href="'.wp_nonce_url(add_query_arg(array('testnotify'=>'citadel')),'control','cerber_nonce').'">'.__('Click to send test','cerber').'</a>)'));
add_settings_section('notify', __('Notifications','cerber'), 'cerberus_section_activity', 'cerber-'.$tab);
$def_email = '<b>'.get_site_option('admin_email').'</b>';
add_settings_field('email',__('Email Address'),'cerberus_field_show','cerber-'.$tab,'notify',array('group'=>$tab,'option'=>'email','type'=>'text','label'=>sprintf(__('if empty, the admin email %s will be used','cerber'),$def_email)));
add_settings_field('emailrate',__('Notification limit'),'cerberus_field_show','cerber-'.$tab,'notify',array('group'=>$tab,'option'=>'emailrate','type'=>'text','label'=>__('notification letters allowed per hour (0 means unlimited)','cerber'),'size'=>3));
add_settings_section('activity', __('Activity','cerber'), 'cerberus_section_activity', 'cerber-'.$tab);
add_settings_field('keeplog',__('Keep records for','cerber'),'cerberus_field_show','cerber-'.$tab,'activity',array('group'=>$tab,'option'=>'keeplog','type'=>'text','label'=>__('days','cerber'),'size'=>3));
//$http = _wp_http_get_object();
//if ($http->block_request(RIPE_HOST)) {}
add_settings_field('ip_extra',__('Drill down IP','cerber'),'cerberus_field_show','cerber-'.$tab,'activity',array('group'=>$tab,'option'=>'ip_extra','type'=>'checkbox','label'=>__('Retrieve extra WHOIS information for IP','cerber').' <a href="'.cerber_get_opage('help').'">Know more</a>'));
add_settings_field('usefile',__('Use file','cerber'),'cerberus_field_show','cerber-'.$tab,'activity',array('group'=>$tab,'option'=>'usefile','type'=>'checkbox','label'=>__('Write failed login attempts to the file','cerber')));
// Hardening tab
$tab='hardening'; // 'cerber-hardening' settings
register_setting( 'cerberus-'.$tab, CERBER_OPT_H);
add_settings_section('hwp', __('Hardening WordPress','cerber'), 'cerberus_section_'.$tab, CERBER_OPT_H);
add_settings_field('stopenum',__('Stop user enumeration','cerber'),'cerberus_field_show',CERBER_OPT_H,'hwp',array('group'=>$tab,'option'=>'stopenum','type'=>'checkbox','label'=>__('Block access to the pages like /?author=n','cerber')));
add_settings_field('xmlrpc',__('Disable XML-RPC','cerber'),'cerberus_field_show',CERBER_OPT_H,'hwp',array('group'=>$tab,'option'=>'xmlrpc','type'=>'checkbox','label'=>__('Block access to the XML-RPC server (including Pingbacks and Trackbacks)','cerber')));
add_settings_field('nofeeds',__('Disable feeds','cerber'),'cerberus_field_show',CERBER_OPT_H,'hwp',array('group'=>$tab,'option'=>'nofeeds','type'=>'checkbox','label'=>__('Block access to the RSS, Atom and RDF feeds','cerber')));
add_settings_field('norest',__('Disable REST API','cerber'),'cerberus_field_show',CERBER_OPT_H,'hwp',array('group'=>$tab,'option'=>'norest','type'=>'checkbox','label'=>__('Block access to the WordPress REST API','cerber')));
//add_settings_field('cleanhead',__('Clean up HEAD','cerber'),'cerberus_field_show','cerber-'.$tab,'hwp',array('group'=>$tab,'option'=>'cleanhead','type'=>'checkbox','label'=>__('Remove generator and version tags from HEAD section','cerber')));
//add_settings_field('ping',__('Disable Pingback','cerber'),'cerberus_field_show','cerber-'.$tab,'hwp',array('group'=>$tab,'option'=>'ping','type'=>'checkbox','label'=>__('Block access to ping functional','cerber')));
$tab='users'; // 'cerber-hardening' settings
register_setting( 'cerberus-'.$tab, CERBER_OPT_U);
add_settings_section('us', __('User related settings','cerber'), 'cerberus_section_'.$tab, CERBER_OPT_U);
add_settings_field('prohibited',__('Prohibited usernames','cerber'),'cerberus_field_show',CERBER_OPT_U,'us',array('group'=>$tab,'option'=>'prohibited','type'=>'textarea','label'=>__('Usernames from this list are not allowed to log in. Any IP address, have tried to use any of these usernames, will be immediately blocked. Use comma to separate logins.','cerber')));
add_settings_field('auth_expire',__('User session expire'),'cerberus_field_show',CERBER_OPT_U,'us',array('group'=>$tab,'option'=>'auth_expire','type'=>'text','label'=>__('in minutes (leave empty to use default WP value)','cerber'),'size' => 6));
}
/*
Generate HTML for every sections on settings pages
*/
function cerberus_section_main($args){
}
function cerberus_section_proactive($args){
_e('Make your protection smarter!','cerber');
}
function cerberus_section_custom($args){
if (!get_option('permalink_structure')) {
echo '<span style="color:#DF0000;">'.__('Please enable Permalinks to use this feature. Set Permalink Settings to something other than Default.','cerber').'</span>';
}
else {
_e('Be careful when enabling this options. If you forget the custom login URL you will not be able to login.','cerber');
}
}
function cerberus_section_citadel($args){
_e("In Citadel mode nobody is able to login. Active user's sessions will not be affected.",'cerber');
}
function cerberus_section_activity($args){
}
function cerberus_section_hardening($args){
echo __("These settings do not affect hosts from the ",'cerber').' '.__('White IP Access List','cerber');
}
function cerberus_section_users($args){
}
/*
*
* Generate HTML for settings page with tabs
* @since 1.0
*
*/
function cerber_settings_page(){
global $wpdb;
$active_tab = isset( $_GET[ 'tab' ] ) ? $_GET[ 'tab' ] : 'main';
if (!in_array($active_tab,array('main','acl','activity','lockouts','messages','tools','help','hardening','users'))) $active_tab = 'main';
?>
<div class="wrap">
<h2><?php _e('Cerber Settings','cerber') ?></h2>
<h2 class="nav-tab-wrapper cerber-tabs">
<?php
echo '<a href="'.cerber_get_opage('main').'" class="nav-tab '. ($active_tab == 'main' ? 'nav-tab-active' : '') .'"><span class="dashicons dashicons-admin-settings"></span> '. __('Main Settings','cerber') .'</a>';
$total = $wpdb->get_var('SELECT count(ip) FROM '. CERBER_ACL_TABLE);
echo '<a href="'.cerber_get_opage('acl').'" class="nav-tab '. ($active_tab == 'acl' ? 'nav-tab-active' : '') .'"><span class="dashicons dashicons-admin-network"></span> '. __('Access Lists','cerber').' <sup class="acltotal">'.$total.'</sup></a>';
echo '<a href="'.cerber_get_opage('activity').'" class="nav-tab '. ($active_tab == 'activity' ? 'nav-tab-active' : '') .'"><span class="dashicons dashicons-welcome-view-site"></span> '. __('Activity','cerber').'</a>';
$total = $wpdb->get_var('SELECT count(ip) FROM '. CERBER_BLOCKS_TABLE);
echo '<a href="'.cerber_get_opage('lockouts').'" class="nav-tab '. ($active_tab == 'lockouts' ? 'nav-tab-active' : '') .'"><span class="dashicons dashicons-shield"></span> '. __('Lockouts','cerber').' <sup class="loctotal">'.$total.'</sup></a>';
echo '<a href="'.cerber_get_opage('hardening').'" class="nav-tab '. ($active_tab == 'hardening' ? 'nav-tab-active' : '') .'"><span class="dashicons dashicons-shield-alt"></span> '. __('Hardening','cerber').'</a>';
echo '<a href="'.cerber_get_opage('users').'" class="nav-tab '. ($active_tab == 'users' ? 'nav-tab-active' : '') .'"><span class="dashicons dashicons-admin-users"></span> '. __('Users').'</a>';
//echo '<a href="'.cerber_get_opage('messages').'" class="nav-tab '. ($active_tab == 'messages' ? 'nav-tab-active' : '') .'">'. __('Messages','cerber').'</a>';
echo '<a href="'.cerber_get_opage('tools').'" class="nav-tab '. ($active_tab == 'tools' ? 'nav-tab-active' : '') .'"><span class="dashicons dashicons-admin-tools"></span> '. __('Tools','cerber').'</a>';
echo '<a href="'.cerber_get_opage('help').'" class="nav-tab '. ($active_tab == 'help' ? 'nav-tab-active' : '') .'"><span class="dashicons dashicons-editor-help"></span> '. __('Help','cerber').'</a>';
?>
</h2>
<?php
cerber_show_aside($active_tab);
echo '<div class="crb-main">';
if ($active_tab == 'acl') cerber_acl_form();
elseif ($active_tab == 'activity') cerber_show_activity();
elseif ($active_tab == 'lockouts') cerber_show_lockouts();
elseif ($active_tab == 'tools') cerber_show_tools();
elseif ($active_tab == 'help') cerber_show_help();
else cerber_show_settings($active_tab);
echo '</div>';
$pi = get_file_data(cerber_plugin_file(),array('Version' => 'Version'),'plugin');
$pi ['time'] = time();
$pi ['user'] = get_current_user_id();
update_site_option('_cp_tabs_'.$active_tab,serialize($pi));
?>
</div>
<?php
}
/*
* Display settings screen (one tab)
*
*/
function cerber_show_settings($active_tab = null){
if (is_multisite()) $action = ''; // Settings API doesn't work in multisite. Post data will be handled in the cerber_ms_update()
else $action ='options.php';
// Display form with settings fields via Settings API
echo '<form method="post" action="'.$action.'">';
settings_fields( 'cerberus-'.$active_tab ); // option group name, the same as used in register_setting().
do_settings_sections( 'cerber-'.$active_tab ); // the same as used in add_settings_section() $page
submit_button();
echo '</form>';
}
/*
* Prepare values to display.
* Generate HTML for one input field on the settings page.
*
*
*/
function cerberus_field_show($args){
$settings = get_site_option('cerber-'.$args['group']);
//if (is_array($settings)) $settings = array_map('esc_html',$settings); // yes, that's it, API settings is a nightmare!
if (is_array($settings)) array_walk_recursive($settings,'esc_html'); // yes, that's it, API settings is a nightmare!
$pre = '';
$value = '';
if (isset($args['option'])){
if (isset($settings[$args['option']])) $value = $settings[$args['option']];
if (($args['option'] == 'loginnowp' || $args['option'] == 'loginpath') && !get_option('permalink_structure')) $disabled = ' disabled="disabled" '; else $disabled = '';
if ($args['option'] == 'loginpath') {
$pre = rtrim(get_home_url(),'/').'/';
$value = urldecode($value);
}
if ($args['option'] == 'prohibited') {
if (is_array($value)) $value = implode(', ',$value);
else $value = '';
}
}
switch ($args['type']) {
case 'attempts':
$html=sprintf(__('%s allowed retries in %s minutes','cerber'),
'<input type="text" id="attempts" name="cerber-'.$args['group'].'[attempts]" value="'.$settings['attempts'].'" size="3" maxlength="3" />',
'<input type="text" id="period" name="cerber-'.$args['group'].'[period]" value="'.$settings['period'].'" size="3" maxlength="3" />');
break;
case 'aggressive':
$html=sprintf(__('Increase lockout duration to %s hours after %s lockouts in the last %s hours','cerber'),
'<input type="text" id="agperiod" name="cerber-'.$args['group'].'[agperiod]" value="'.$settings['agperiod'].'" size="3" maxlength="3" />',
'<input type="text" id="aglocks" name="cerber-'.$args['group'].'[aglocks]" value="'.$settings['aglocks'].'" size="3" maxlength="3" />',
'<input type="text" id="aglast" name="cerber-'.$args['group'].'[aglast]" value="'.$settings['aglast'].'" size="3" maxlength="3" />');
break;
case 'notify':
$html= '<input type="checkbox" id="'.$args['option'].'" name="cerber-'.$args['group'].'['.$args['option'].']" value="1" '.checked(1,$value,false).$disabled.' /> '
.__('Notify admin if the number of active lockouts above','cerber').
' <input type="text" id="above" name="cerber-'.$args['group'].'[above]" value="'.$settings['above'].'" size="3" maxlength="3" />'.
' (<a href="'.wp_nonce_url(add_query_arg(array('testnotify'=>'lockout')),'control','cerber_nonce').'">'.__('Click to send test','cerber').'</a>)';
break;
case 'citadel':
$html=sprintf(__('Enable after %s failed login attempts in last %s minutes','cerber'),
'<input type="text" id="cilimit" name="cerber-'.$args['group'].'[cilimit]" value="'.$settings['cilimit'].'" size="3" maxlength="3" />',
'<input type="text" id="ciperiod" name="cerber-'.$args['group'].'[ciperiod]" value="'.$settings['ciperiod'].'" size="3" maxlength="3" />');
break;
case 'checkbox':
$html='<input type="checkbox" id="'.$args['option'].'" name="cerber-'.$args['group'].'['.$args['option'].']" value="1" '.checked(1,$value,false).$disabled.' />';
$html.= ' <label for="'.$args['option'].'">'.$args['label'].'</label>';
break;
case 'textarea':
$html='<textarea class="large-text code" id="'.$args['option'].'" name="cerber-'.$args['group'].'['.$args['option'].']" '.$disabled.' />'.$value.'</textarea>';
$html.= '<br><label for="'.$args['option'].'">'.$args['label'].'</label>';
break;
default:
if (isset($args['size'])) $size=' size="'.$args['size'].'" maxlength="'.$args['size'].'" '; else $size='';
$html=$pre.'<input type="text" id="'.$args['option'].'" name="cerber-'.$args['group'].'['.$args['option'].']" value="'.$value.'"'.$disabled.$size.'/>';
$html.= ' <label for="'.$args['option'].'">'.$args['label'].'</label>';
break;
}
echo $html;
}
/*
Sanitizing users input for main settings
*/
add_filter( 'pre_update_option_'.CERBER_OPT, 'cerber_sanitize_options', 10, 3 );
function cerber_sanitize_options($new, $old, $option) { // $option added in WP 4.4.0
$new['attempts'] = absint( $new['attempts'] );
$new['period'] = absint( $new['period'] );
$new['lockout'] = absint( $new['lockout'] );
$new['agperiod'] = absint( $new['agperiod'] );
$new['aglocks'] = absint( $new['aglocks'] );
$new['aglast'] = absint( $new['aglast'] );
if ( get_option( 'permalink_structure' ) ) {
$new['loginpath'] = urlencode( str_replace( '/', '', $new['loginpath'] ) );
if ( $new['loginpath'] && $new['loginpath'] != $old['loginpath'] ) {
$href = get_home_url() . '/' . $new['loginpath'] . '/';
$url = urldecode( $href );
$msg = __( 'Attention! You have changed the login URL! The new login URL is', 'cerber' );
update_site_option( 'cerber_admin_notice', $msg . ': <a href="' . $href . '">' . $url . '</a>' );
cerber_send_notify( 'newlurl', $msg . ': ' . $url );
}
} else {
$new['loginpath'] = '';
$new['loginnowp'] = 0;
}
$new['ciduration'] = absint( $new['ciduration'] );
$new['cilimit'] = absint( $new['cilimit'] );
$new['cilimit'] = $new['cilimit'] == 0 ? '' : $new['cilimit'];
$new['ciperiod'] = absint( $new['ciperiod'] );
$new['ciperiod'] = $new['ciperiod'] == 0 ? '' : $new['ciperiod'];
if ( ! $new['cilimit'] ) {
$new['ciperiod'] = '';
}
if ( ! $new['ciperiod'] ) {
$new['cilimit'] = '';
}
if ( ! empty( $new['email'] ) && ! is_email( $new['email'] ) ) {
$new['email'] = $old['email'];
update_site_option( 'cerber_admin_notice', __( '<strong>ERROR</strong>: please enter a valid email address.' ) );
}
$new['emailrate'] = absint( $new['emailrate'] );
if ( absint( $new['keeplog'] ) == 0 ) {
$new['keeplog'] = '';
}
return $new;
}
/*
Sanitizing users input for main settings
*/
add_filter( 'pre_update_option_'.CERBER_OPT_U, 'cerber_sanitize_u', 10, 3 );
function cerber_sanitize_u($new, $old, $option) { // $option added in WP 4.4.0
$list = explode(',',$new['prohibited']);
$list = array_map('trim', $list);
$list = array_filter($list);
$list = array_unique($list);
$new['prohibited'] = $list;
return $new;
}
/*
*
* Process POST Form for settings screens in multisite mode.
* Because of Settigns API doesn't work in multisite mode!
*
*/
if (is_multisite()) add_action('admin_init', 'cerber_ms_update'); // allowed only for network
function cerber_ms_update() {
if ( $_SERVER['REQUEST_METHOD'] != 'POST' || ! isset( $_POST['action'] ) || $_POST['action'] != 'update' ) {
return;
}
if ( ! isset( $_POST['option_page'] ) || false === strpos( $_POST['option_page'], 'cerberus-' ) ) {
return;
}
if ( ! current_user_can( 'manage_options' ) ) {
return;
}
$opt_name = 'cerber-' . substr( $_POST['option_page'], 9 ); // 8 = length of 'cerberus-'
$old = (array) get_site_option( $opt_name );
$new = $_POST[ $opt_name ];
//$new = cerber_sanitize_options($new,$old);
$new = apply_filters( 'pre_update_option_' . $opt_name, $new, $old, $opt_name );
update_site_option( $opt_name, $new );
}
/*
* Default settings
*
*/
function cerber_get_defaults($field = null) {
$all_defaults = array(
CERBER_OPT => array(
'attempts' => 3,
'period' => 60,
'lockout' => 60,
'agperiod' => 24,
'aglocks' => 2,
'aglast' => 4,
'notify' => 1,
'above' => 3,
'proxy' => 0,
'subnet' => 0,
'nonusers' => 1,
'wplogin' => 0,
'noredirect' => 1,
'loginpath' => '',
'loginnowp' => 0,
'cilimit' => 200,
'ciperiod' => 30,
'ciduration' => 60,
'ciwhite' => 1,
'cinotify' => 1,
'email' => '',
'emailrate' => 12,
'keeplog' => 30,
'ip_extra' => 1,
'usefile' => 0,
),
CERBER_OPT_H => array(
'stopenum' => 1,
'xmlrpc' => 1,
'nofeeds' => 0,
'norest' => 1,
'cleanhead' => 1,
),
CERBER_OPT_U => array(
'auth_expire' => '',
),
);
if ( $field ) {
foreach ( $all_defaults as $option ) {
if ( isset( $option[ $field ] ) ) {
return $option[ $field ];
}
}
return false;
} else {
return $all_defaults;
}
}
/*
*
* Right way to save Cerber settings outside of wp-admin settings page
* @since 2.0
*
*/
function cerber_save_options($options){
foreach ( cerber_get_defaults() as $option_name => $fields ) {
$save=array();
foreach ( $fields as $field_name => $def ) {
if (isset($options[$field_name])) $save[$field_name]=$options[$field_name];
}
if (!empty($save)) {
$result = update_site_option($option_name,$save);
}
}
}
/*
Right way to access to the Cerber settings
*/
function cerber_get_options($option = '') {
$options = array( CERBER_OPT, CERBER_OPT_H, CERBER_OPT_U );
$united = array();
foreach ( $options as $opt ) {
$o = get_site_option( $opt );
if (!is_array($o)) continue;
$united = array_merge( $united, $o );
}
$options = $united;
//$options = get_site_option( CERBER_OPTIONS );
if ( ! empty( $option ) ) {
if ( isset( $options[ $option ] ) ) {
return $options[ $option ];
} else {
return false;
}
}
return $options;
}
/*
Email for notification
*/
function cerber_get_email() {
if (!$email = cerber_get_options('email')) $email = get_site_option('admin_email');
return $email;
}
/*
Load default settings, except Custom Login URL
*/
function cerber_load_defaults() {
$save = array();
foreach ( cerber_get_defaults() as $option_name => $fields ) {
foreach ( $fields as $field_name => $def ) {
$save[ $field_name ] = $def;
}
}
$old = cerber_get_options();
$save['loginpath'] = $old['loginpath'];
cerber_save_options( $save );
}
/*
Return link to the Cerber settings page and particular tab if it is specified
*/
function cerber_get_opage($tab = ''){
if (!is_multisite()) $base = admin_url('options-general.php');
else $base = network_admin_url('settings.php');
$opage = $base . '?page=cerber-settings';
if ($tab) $opage .= '&tab='.$tab;
return $opage;
}
/*
function cerber_get_opage($tag = ''){
if (!is_multisite()) $target = 'options-general.php'; // must use admin_url();
else $target = 'network/settings.php'; // must use network_admin_url();
$opage = $target . '?page=cerber-settings';
if ($tag) $opage .= '&tab='.$tag;
return $opage;
}
*/
/*
* Add per screen settings
* @since 2.1
*
*/
//add_action("load-$page_hook_suffix); $page_hook_suffix = add_menu_page();
add_action("load-settings_page_cerber-settings", "cerber_screen_options");
function cerber_screen_options() {
if (empty($_GET['tab']) || !in_array($_GET['tab'],array('lockouts','activity'))) return;
$args = array(
'label' => __( 'Number of items per page:' ),
'default' => 50,
'option' => 'cerber_screen_'.$_GET['tab'],
);
add_screen_option( 'per_page', $args );
}
/*
* Allows to save options to the user meta
* @since 2.1
*
*/
add_filter('set-screen-option', 'cerber_save_screen_option', 10, 3);
function cerber_save_screen_option($status, $option, $value) {
if ( 'cerber_pp_activity' == $option ) return $value;
if ( 'cerber_pp_lockouts' == $option ) return $value;
}
/*
* Retrieve option for current screen
* @since 2.1
*
*/
function cerber_get_pp(){
$screen = get_current_screen();
$screen_option = $screen->get_option('per_page', 'option');
$per_page = get_user_meta(get_current_user_id(), $screen_option, true);
if ( empty ( $per_page) || $per_page < 1 ) {
$per_page = $screen->get_option( 'per_page', 'default' );
}
return $per_page;
}