';
wp_nonce_field( 'control', 'cerber_nonce' );
echo '';
echo '';
$slaves = new CRB_Slave_Table();
$slaves->prepare_items();
$slaves->search_box( 'Search', 'search_id' );
$slaves->display();
echo '';
}
function nexus_master_screen() {
// Standard WP options
crb_admin_screen_options();
// Add our own fields
add_filter( 'screen_settings', function ( $form, $screen ) {
$set = get_site_option( '_cerber_slist_screen', array() );
$checked = ( crb_array_get( $set, 'url_name' ) ) ? 'checked="checked"' : '';
$form .= '';
$form .= '';
$checked = ( crb_array_get( $set, 'srv_ip' ) ) ? 'checked="checked"' : '';
$form .= '
';
$form .= '';
return $form;
}, 10, 2 );
}
add_filter( 'set-screen-option', function ( $status ) {
// Save our own fields
if ( isset( $_POST['nexus_slave_list_screen'] ) ) {
$set = get_site_option( '_cerber_slist_screen', array() );
$set['url_name'] = crb_array_get( $_POST, 'crb_url_in_name', 0, '\d' );
$set['srv_ip'] = crb_array_get( $_POST, 'crb_srv_ip', 0, '\d' );
update_site_option( '_cerber_slist_screen', $set );
}
return $status;
} );
function nexus_show_slave_form( $site_id ) {
$site = nexus_get_slave_data( $site_id );
if ( ! $site ) {
echo 'Website not found. Return to the list.';
return;
}
$p = __( 'Select an existing group or enter a new one to add it', 'wp-cerber' );
// We utilize WP settings API routines just to render the edit form
$edit_fields = nexus_slave_form_fields(); // TODO implement this
$edit_fields = array(
'main' => array(
'name' => __( 'Website Properties', 'wp-cerber' ),
//'info' => __( 'User related settings', 'wp-cerber' ),
'fields' => array(
'site_id' => array(
'value' => $site->id,
'db_field' => 'id',
'type' => 'hidden',
'title' => '',
),
'site_url' => array(
'title' => __( 'Website URL', 'wp-cerber' ),
'value' => $site->site_url,
'disabled' => true,
),
'site_name' => array(
'title' => __( 'Display as', 'wp-cerber' ),
'label' => 'Original website name: ' . $site->site_name_remote,
'value' => $site->site_name,
'required' => true,
'maxlength' => 200
),
'site_group' => array(
'class' => 'crb-wide crb-select2-tags',
'title' => __( 'Group', 'wp-cerber' ),
'set' => nexus_get_groups(),
'value' => $site->group_id,
'db_field' => 'group_id',
'type' => 'select',
'label' => $p,
'placeholder' => $p
),
/*'site_server' => array(
'title' => __( 'Server Name', 'wp-cerber' ),
'value' => $site->site_server,
'maxlength' => 1000
),*/
'site_notes' => array(
'title' => __( 'Notes', 'wp-cerber' ),
'value' => $site->site_notes,
'type' => 'textarea',
'maxlength' => 1000
),
)
),
'owner' => array(
'name' => __( 'Website Owner', 'wp-cerber' ),
//'info' => __( 'User related settings', 'wp-cerber' ),
'fields' => array(
'first_name' => array(
'title' => __( 'First Name' ),
'maxlength' => 100
),
'last_name' => array(
'title' => __( 'Last Name' ),
'maxlength' => 100
),
'owner_email' => array(
'title' => __( 'Email' ),
'maxlength' => 100
),
'owner_phone' => array(
'title' => __( 'Phone', 'wp-cerber' ),
'maxlength' => 100,
),
'owner_biz' => array(
'title' => __( 'Company', 'wp-cerber' ),
'maxlength' => 200,
),
'owner_address' => array(
'title' => __( 'Address', 'wp-cerber' ),
'maxlength' => 200
),
)
),
);
foreach ( $edit_fields['owner']['fields'] as $key => &$f ) {
$f['value'] = crb_array_get( $site->details, $key );
}
// TODO: replace WP settings API with a new form-processing engine
cerber_wp_settings_setup( CRB_NX_SLAVE, $edit_fields );
cerber_show_settings_form( CRB_NX_SLAVE );
}
function nexus_slave_form_fields() { // TODO implement this
return array( 'first_name', 'last_name', 'owner_email', 'owner_phone', 'owner_biz', 'owner_address' );
}
function nexus_get_groups() {
if ( ! $groups = cerber_get_set( 'nexus_groups' ) ) {
$groups = array( 'Default' );
}
return $groups;
}
//add_action( 'setup_theme', function () {
add_action( 'admin_init', function () { // 8.3.3
if ( ! is_admin() || ! nexus_is_master() ) {
return;
}
nexus_set_context();
if ( nexus_get_context() ) {
nexus_send_admin_request();
}
}, 0 );
add_action( 'admin_init', function () {
if ( nexus_is_master() && function_exists( 'nexus_schedule_refresh' ) ) {
nexus_schedule_refresh();
}
if ( ! is_super_admin() ) {
return;
}
if ( cerber_is_wp_ajax() ) {
nexus_ajax_router();
}
if ( nexus_get_context() ) {
add_action( 'admin_notices', 'cerber_show_admin_notice', 999 );
add_action( 'network_admin_notices', 'cerber_show_admin_notice', 999 );
}
// Some tricks to obtain form data via WP settings API
register_setting( 'cerberus-' . CRB_NX_SLAVE, 'cerber-' . CRB_NX_SLAVE );
add_filter( 'pre_update_option_cerber-' . CRB_NX_SLAVE, function ( $fields, $old_value, $option ) {
cerber_cache_enable();
$site_id = absint( $fields['site_id'] );
$group_id = 0;
if ( ! empty( $fields['site_group'] ) ) {
$groups = nexus_get_groups();
if ( is_numeric( $fields['site_group'] ) ) {
$group_id = (int) $fields['site_group'];
}
if ( ! $group_id || ! isset( $groups[ $group_id ] ) ) {
// Add new group
$new = strip_tags( $fields['site_group'] );
if ( $new ) {
$groups = nexus_get_groups();
$groups[] = $new;
end( $groups );
$group_id = key( $groups );
cerber_update_set( 'nexus_groups', $groups );
}
}
}
$new_details = array_intersect_key( $fields, array_flip( nexus_slave_form_fields() ) );
$new_details = array_map( 'strip_tags', $new_details );
$fields = array_replace( $fields, $new_details );
$fields['group_id'] = $group_id;
nexus_update_slave( $site_id, $fields );
nexus_delete_unused( 'nexus_groups', 'group_id' );
return '';
}, 10, 3 );
} );
function nexus_add_slave( $token ) {
if ( ! is_super_admin() || ! nexus_is_master() ) {
return;
}
$token = trim( $token );
if ( ( ! $t = nexus_the_token( $token ) )
|| empty( $t[0] )
|| empty( $t[1] )
|| empty( $t[2] )
|| empty( $t[3] )
|| empty( $t[4] )
|| empty( $t[5] )
|| empty( $t[6] )
) {
cerber_admin_notice( __( 'Security access token is invalid', 'wp-cerber' ) );
return;
}
// Subdir install? Add slash to avoid 301 redirection
if ( strpos( substr( $t[5], strpos( $t[5], '.' ) ), '/' ) ) {
$url = rtrim( $t[5], '/' ) . '/';
}
else {
$url = $t[5];
}
$no_https = ( 'https://' !== substr( $url, 0, 8 ) ) ? true : false;
$data = array();
$data['site_pass'] = $t[0];
$data['site_echo'] = $t[1];
$data['x_field'] = $t[2];
$data['x_num'] = $t[3];
// These are shown in the dashboard, make them safe
$data['site_url'] = substr( esc_url( $url ), 0, 250 );
$data['site_name'] = mb_substr( htmlspecialchars( htmlspecialchars_decode( $t[6] ) ), 0, 250 );
$data['site_name_remote'] = $data['site_name'];
$data = array_map( function ( $e ) {
return '"' . cerber_real_escape( $e ) . '"';
}, $data );
if ( cerber_db_get_var( 'SELECT id FROM ' . cerber_get_db_prefix() . CERBER_MS_TABLE . ' WHERE site_url = ' . $data['site_url'] ) ) {
cerber_admin_notice( __( 'The website you are trying to add is already in the list', 'wp-cerber' ) );
}
if ( ! cerber_db_insert( cerber_get_db_prefix() . CERBER_MS_TABLE, $data ) ) {
cerber_admin_notice( 'Unable to add website' );
}
else {
$site_id = cerber_db_get_var( ' SELECT LAST_INSERT_ID()' );
$edit = cerber_admin_link( 'nexus_sites', array( 'site_id' => $site_id ) );
cerber_admin_message( __( 'The website has been added successfully', 'wp-cerber' )
. ' [ ' . __( 'Click to edit', 'wp-cerber' ) . ' | '
. ' ' . __( 'Switch to the Dashboard', 'wp-cerber' ) . ' ]' );
if ( $no_https ) {
//cerber_admin_notice( __( 'Note: No SSL encryption is enabled on the website this can lead to data leakage.', 'wp-cerber' ) );
cerber_admin_notice( __( 'Keep in mind: You have added the website that does not support SSL encryption. This may lead to data leakage.', 'wp-cerber' ) );
}
//cerber_bg_task_add( array( 'func' => 'nexus_send', 'args' => array( array( 'type' => 'hello' ), $site_id ) ), true );
nexus_add_bg_refresh( $site_id );
}
}
/**
* @param $id int Slave ID
* @param $data array Sanitized slave data
*
* @return bool|mysqli_result|resource
*/
function nexus_update_slave( $id, $data ) {
$id = absint( $id );
if ( ! $id ) {
return false;
}
$old = nexus_get_slave_data( $id );
// Details
$old_details = ( is_array( $old->details ) ) ? $old->details : array();
$details_fields = nexus_slave_form_fields();
if ( $new_details = array_intersect_key( $data, array_flip( $details_fields ) ) ) {
$data['details'] = serialize( array_replace( $old_details, $new_details ) );
}
// Name is always stored in escaped form!
if ( isset( $data['site_name'] ) ) {
$data['site_name'] = htmlspecialchars( $data['site_name'] );
}
// 1. Numbers
$int_columns = array( 'group_id', 'site_status', 'updates', 'refreshed', 'last_scan', 'last_http', 'site_key' );
$update = array_map( function ( $e ) {
return absint( $e );
}, array_intersect_key( $data, array_flip( $int_columns ) ) );
// 2. Escaping strings
$str_columns = array( 'site_name', 'details', 'site_notes', 'plugin_v', 'wp_v', 'server_id', 'server_country' );
$update = array_merge( $update,
array_map( function ( $e ) {
return cerber_real_escape( $e );
}, array_intersect_key( $data, array_flip( $str_columns ) ) ) );
// SQL clause
$fields = array();
foreach ( $update as $field => $value ) {
$fields[] = $field . '="' . $value . '"';
}
$sql_fields = implode( ',', $fields );
if ( cerber_db_query( 'UPDATE ' . cerber_get_db_prefix() . CERBER_MS_TABLE . ' SET ' . $sql_fields . ' WHERE id = ' . $id ) ) {
return true;
}
return false;
}
/**
* @param $site_id
*
* @return bool|object
*/
function nexus_get_slave_data( $site_id ) {
$site_id = absint( $site_id );
$site = cerber_db_get_row( 'SELECT * FROM ' . cerber_get_db_prefix() . CERBER_MS_TABLE . ' WHERE id = ' . $site_id, MYSQL_FETCH_OBJECT );
if ( ! $site ) {
return false;
}
if ( ! empty( $site->details ) ) {
$site->details = unserialize( $site->details );
}
return $site;
}
function nexus_get_slaves( $args ) {
$order = '';
if ( isset( $args['orderby'] ) ) {
$order = ' ORDER BY ' . $args['orderby'] . ' ';
}
if ( isset( $args['order'] ) ) {
$order .= $args['order'];
}
return cerber_db_get_results( 'SELECT * FROM ' . cerber_get_db_prefix() . CERBER_MS_TABLE . $order, MYSQL_FETCH_OBJECT );
}
/**
* @param $ids integer|array
*
* @return bool
*/
function nexus_delete_slave( $ids ) {
if ( ! is_super_admin() ) {
return false;
}
/*$field = ( ! $bulk ) ? 'site_id' : 'ids';
if ( ! $ids = cerber_get_get( $field ) ) {
return false;
}*/
if ( ! is_array( $ids ) ) {
$ids = array( $ids );
}
$ids = array_map( function ( $e ) {
return absint( $e );
}, $ids );
$ret = cerber_db_query( 'DELETE FROM ' . cerber_get_db_prefix() . CERBER_MS_TABLE . ' WHERE id IN (' . implode( ',', $ids ) . ')' );
if ( $ret ) {
$num = cerber_db_get_var( 'SELECT ROW_COUNT()' );
cerber_admin_message( sprintf( _n( 'Website has been deleted', '%s websites have been deleted', $num, 'wp-cerber' ), $num ) );
foreach ( $ids as $id ) {
nexus_delete_list( $id );
}
nexus_delete_unused( 'nexus_servers', 'server_id' );
nexus_delete_unused( 'nexus_countries', 'server_country' );
nexus_delete_unused( 'nexus_groups', 'group_id' );
return true;
}
else {
cerber_admin_notice( 'Unable to delete website' );
return false;
}
}
function nexus_get_back_link() {
return cerber_admin_link_add( array( 'cerber_admin_do' => 'nexus_switch', 'nexus_site_id' => 0 ) );
}
// ======================================================================================
function nexus_show_remote_page() {
/* This code for new settings mechanism
$slave = nexus_get_context();
if ( cerber_is_http_post()
&& ( $m = cerber_get_post( 'cerber_nexus_seal' ) )
&& sha1( $slave->id . '|' . get_current_user_id() ) === $m ) {
$response = nexus_send( array(
'type' => 'submit',
'data' => array(
'post' => $_POST,
)
) );
}
else {
$response = nexus_send( array(
'type' => 'get_page',
'data' => array(
)
) );
}*/
// An old, two steps version
// TODO: remove the second step after upgrading Cerber's settings mechanism to a new version
if ( cerber_is_http_post()
&& ( nexus_seal( crb_array_get( $_POST, 'cerber_nexus_seal', 'none' ) ) ) ) {
$response = nexus_send( array(
'type' => 'submit',
'data' => array(
'post' => $_POST,
)
) );
}
// A separate request to render the page cause settings cache is updated now
$response = nexus_send( array(
'type' => 'get_page'
) );
if ( is_array( $response ) ) {
echo $response['html'];
}
else {
echo $response;
}
}
function nexus_send_admin_request() {
if ( empty( $_GET['cerber_admin_do'] )
|| ( empty( $_GET['cerber_nonce'] )
&& empty( $_POST['cerber_nonce'] ) ) ) {
return;
}
$response = nexus_send( array(
'type' => 'manage'
) );
}
function nexus_ajax_router() {
//return;
if ( empty( $_REQUEST['action'] )
|| empty( $_REQUEST['ajax_nonce'] ) ) {
return;
}
if ( ! nexus_is_master()
|| ! nexus_get_context()
|| ! crb_admin_allowed_ajax( $_REQUEST['action'] )
|| ! is_user_logged_in()
) {
return;
}
check_ajax_referer( 'crb-ajax-admin', 'ajax_nonce' );
$response = nexus_send( array(
'type' => 'ajax',
//'cache' => false,
'data' => array(
'post' => $_POST,
)
) );
if ( is_wp_error( $response ) ) {
nexus_diag_log( 'NETWORK ERROR: ' . $response->get_error_message() );
}
else {
echo $response;
}
exit;
}
/**
* @param $request array
* @param $slave_id int
*
* @return bool|mixed
*/
function nexus_send( $request, $slave_id = null ) {
global $nexus_last_http, $nexus_last_curl, $nexus_slave_name, $nexus_slave_id;
nexus_diag_log( '/\/ Initiating ' . $request['type'] . ' request to the slave' . ( ( $slave_id ) ? ' #' . $slave_id : ' from context' ) );
$slave = ( $slave_id ) ? nexus_get_slave_data( $slave_id ) : nexus_get_context();
if ( ! $slave ) {
return false;
}
$network = nexus_net_send_request( $request, $slave );
nexus_update_slave( $slave->id, array( 'last_http' => $nexus_last_http ) );
$nexus_slave_id = $slave->id;
$nexus_slave_name = $slave->site_name;
if ( ! is_wp_error( $network ) ) {
nexus_process_extra( $network, $slave );
if ( ! empty( $network['payload']['error'] ) ) { // A critical error on the slave
$m = 'An error occurred on ' . $slave->site_name . ': ' . htmlspecialchars( $network['payload']['error'][1] );
cerber_admin_notice( $m );
nexus_diag_log( $m );
return '';
}
$response = $network['payload'];
if ( cerber_is_wp_ajax() ) {
return $response;
}
if ( isset( $response['redirect'] ) ) {
if ( $redirect_to = crb_array_get( $response, 'redirect_url' ) ) {
nexus_diag_log( '> > > Redirecting to ' . $redirect_to );
// TODO should we use wp_safe_redirect()???
header( 'Location: ' . $redirect_to, true, 302 );
exit;
}
else {
cerber_safe_redirect( crb_array_get( $response, 'remove_args' ) );
}
}
return $response;
}
else {
$codes = array(
301 => 'Unexpected HTTP redirection on the slave. Check if WP Cerber is installed and active on the slave website.',
302 => 'Unexpected HTTP redirection on the slave. Check if WP Cerber is installed and active on the slave website.',
403 => 'Access to the slave website is denied.',
500 => 'Remote website (web server) is unable to proceed due to a fatal software (PHP) error. Check the server error log on the slave website.'
);
$causes = array(
'A security plugin on the slave website is interfering with the WP Cerber plugin',
'A directive in the .htaccess file on the slave website is blocking incoming requests',
'A firewall or a proxy service (like Cloudflare) is blocking (filtering out) incoming requests to the slave website',
'The IP address of this master is locked out or in the Black Access List on the slave website',
'The slave mode on the remote website has been re-enabled making the security token saved on this master invalid',
'The slave mode has been disabled on the remote website',
'The IP address of this master website does not match the one set in the slave settings on the remote website',
'The WP Cerber plugin has been deactivated on the slave website',
'The remote server is redirecting incoming requests to another website',
'The domain name of the slave website has been changed',
'The remote server is down or not responding',
'The SSL certificate of the slave website is expired or invalid',
'There is no network connectivity between this master server and the server on which the slave website is running',
);
$kb = array(
// 200
'json_error' => array( 4, 5, 1, 6, 7 ),
'checksum_error' => array( 4 ),
// Not 200
0 => array( 8, 9, 10, 11, 12 ),
301 => array( 8, 9, 11 ),
302 => array( 8, 9, 11 ),
403 => array( 0, 1, 2, 3 ),
);
if ( $network->get_error_code() == 'http_error' ) {
if ( ! $error = crb_array_get( $codes, $nexus_last_http ) ) {
$desc = $nexus_last_http . ' ' . get_status_header_desc( $nexus_last_http );
$error = '' . $desc . '';
}
else {
$error = $nexus_last_http . ' ' . $error;
}
$error = 'HTTP ERROR ' . $error;
}
else {
$error = $network->get_error_message();
}
nexus_diag_log( 'NETWORK ERROR: ' . $error );
$parse = parse_url( $slave->site_url );
$domain = $parse['host'];
$ip = gethostbyname( $domain );
if ( ! cerber_is_ip( $ip ) ) {
$ip = 'Unknown. Unable to resolve the IP address. Possibly the domain ' . $domain . ' is not delegated.';
$hostname = 'Unknown';
}
else {
$hostname = gethostbyaddr( $ip );
}
?>
Website: site_name; ?>
Website URL: site_url; ?>
This may be caused by a number of reasons
get_error_code() ) ) {
if ( ! $kb_filter = crb_array_get( $kb, $nexus_last_http ) ) {
$kb_filter = null;
}
}
$show = array();
if ( $kb_filter ) {
foreach ( $kb_filter as $key ) {
$show[] = $causes[ $key ];
}
//$show = array_intersect_key( $causes, array_flip( $kb_filter ) );
}
if ( ! $show ) {
$show = $causes;
}
echo '- ' . implode( '
- ', $show ) . '
';
?>
Switch back to the master website';
echo '
Check the slave settings on ' . $slave->site_name . '
';
}
?>
Diagnostic information
HTTP code:
Response size:
IP address:
Hostname:
$val ) {
if ( is_scalar( $val ) ) {
echo $key . ': ' . htmlspecialchars( $val );
}
else {
echo $key . ': ';
print_r( $val );
}
echo '
';
}
?>
plugin_v != $v[0] ) {
$update['plugin_v'] = $v[0];
}
if ( $slave->wp_v != $v[1] ) {
$update['wp_v'] = $v[1];
}
if ( isset( $v[6] ) && $slave->site_key != $v[6] ) {
$update['site_key'] = $v[6];
}
if ( $nums = crb_array_get( $data['payload'], 'numbers' ) ) {
$update['refreshed'] = time();
$u = $nums['updates']['plugins'] + $nums['updates']['wp'];
if ( $slave->updates != $u ) {
$update['updates'] = $u;
}
if ( ! empty( $nums['scan'] ) ) {
$update['last_scan'] = $nums['scan']['finished'];
if ( $nb = crb_array_get( $nums['scan'], 'numbers' ) ) {
// TODO move to separate meta table?
cerber_update_set( '_nexus_tmp_' . $slave->id, $nb );
}
}
// Plugins
if ( $plugins = crb_array_get( $nums, 'plugins' ) ) {
$installed = array();
$active = array_flip( crb_array_get( $nums, 'active', array() ) );
foreach ( $plugins as $plugin => $data ) {
$key = 'nexus_p_' . sha1( $plugin . $data['Version'] );
$installed[] = array(
$key,
$data['Version'],
(string) ( isset( $active[ $plugin ] ) ) ? '1' : '0'
);
// Plugin data for common usage
if ( ! cerber_get_set( $key, null, false ) ) {
$data['plugin_slug'] = $plugin;
$data['plugin_key'] = sha1( $plugin );
cerber_update_set( $key, $data );
}
}
nexus_update_list( $slave->id, 'plugins', $installed );
}
// Updates
if ( $pl_updates = crb_array_get( $nums, 'pl_updates' ) ) {
nexus_update_updates( $pl_updates );
}
}
if ( $update ) {
nexus_update_slave( $slave->id, $update );
if ( ! $nums ) {
nexus_add_bg_refresh( $slave->id );
}
}
}
function nexus_update_updates( $pl_updates ) {
foreach ( $pl_updates as $plugin => $data ) {
$key = 'nexus_upd_' . sha1( $plugin );
$go = true;
if ( ( $pup = cerber_get_set( $key ) )
&& ( $data['new_version'] == $pup['new_version'] ) ) {
$go = false;
}
if ( $go ) {
cerber_update_set( $key, $data );
}
}
}
function nexus_get_update( $plugin, $version = null ) {
$update = cerber_get_set( 'nexus_upd_' . sha1( $plugin ) );
if ( $version
&& version_compare( $version, $update['new_version'], '>=' ) ) {
return false;
}
return $update;
}
/**
* @param $payload array
* @param $slave object
*
* @return bool|array|string|WP_Error
*/
function nexus_net_send_request( $payload, $slave ) {
global $crb_assets_url, $nexus_last_http, $nexus_last_curl;
if ( ! is_super_admin()
&& ! ( defined( 'CRB_DOING_BG_TASK' ) && CRB_DOING_BG_TASK ) ) {
return new WP_Error( 'no_context', 'Not permitted in this context' );
}
if ( empty( $slave->site_pass )
|| empty( $slave->site_url )
|| empty( $slave->x_field )
|| empty( $slave->x_num )
|| ( ! $field_names = nexus_get_fields( $slave ) ) ) {
return new WP_Error( 'invalid_slave', 'Slave configuration is corrupted for the slave ' . $slave->id );
}
array_walk_recursive( $payload, function ( &$e ) {
$e = str_replace( array( "\r\n", "\n", "\r" ), '
', $e ); // preserve new lines before json_encode
} );
$data = array();
$data['seal'] = nexus_seal();
$data['params'] = $_GET;
$data['base'] = ( ! is_multisite() ) ? admin_url() : network_admin_url();
$data['assets'] = $crb_assets_url;
$data['is_post'] = cerber_is_http_post();
$data['payload'] = $payload;
$data[ rand() ] = rand(); // random checksum for identical requests
if ( crb_get_settings( 'master_locale' ) ) {
$data['master_locale'] = ( crb_get_settings( 'admin_lang' ) ) ? 'en_US' : get_user_locale();
}
if ( ! cerber_is_wp_ajax()
&& ! cerber_is_wp_cron() ) {
$data['page'] = crb_admin_get_page();
$data['tab'] = crb_admin_get_tab();
$data['at_site'] = ( ! crb_get_settings( 'master_at_site' ) ) ? '' : ' @ ' . $slave->site_name;
$data['screen'] = array( 'per_page' => crb_admin_get_per_page() );
}
$x_num = array_shift( $field_names );
$fields = array();
$fields[ $field_names[0] ] = json_encode( $data, JSON_UNESCAPED_UNICODE );
if ( JSON_ERROR_NONE != json_last_error() ) {
return new WP_Error( 'json_error', 'Unable to encode request: ' . json_last_error_msg() );
}
$auth = hash( 'sha512', $slave->site_pass . sha1( $fields[ $field_names[0] ] ) );
foreach ( $field_names as $i => $name ) {
if ( isset( $fields[ $name ] ) ) {
continue;
}
if ( $x_num == $i ) {
$fields[ $name ] = $auth;
}
else {
$fields[ $name ] = str_shuffle( $auth );
}
}
$curl = @curl_init();
if ( ! $curl ) {
return new WP_Error( 'no_curl', 'Unable to init cURL library. Enable PHP cURL extension in your hosting control panel.' );
}
nexus_diag_log( 'Sending HTTP request to ' . $slave->site_url );
curl_setopt_array( $curl, array(
CURLOPT_URL => $slave->site_url,
CURLOPT_FOLLOWLOCATION => 0,
CURLOPT_POST => true,
CURLOPT_POSTFIELDS => http_build_query( $fields ),
CURLOPT_RETURNTRANSFER => true,
CURLOPT_CONNECTTIMEOUT => 10, // including domain resolving
CURLOPT_TIMEOUT => 15, // including CURLOPT_CONNECTTIMEOUT
CURLOPT_DNS_CACHE_TIMEOUT => 1 * 3600,
CURLOPT_SSL_VERIFYHOST => 2,
CURLOPT_SSL_VERIFYPEER => true,
//CURLOPT_CERTINFO => 1, doesn't work
//CURLOPT_VERBOSE => 1,
CURLOPT_CAINFO => ABSPATH . WPINC . '/certificates/ca-bundle.crt',
CURLOPT_ENCODING => '' // allows built-in compressions
) );
$response = @curl_exec( $curl );
$curl_info = curl_getinfo( $curl );
$code = intval( curl_getinfo( $curl, CURLINFO_HTTP_CODE ) );
$nexus_last_http = $code;
$nexus_last_curl = $curl_info;
curl_close( $curl );
if ( $code == 200 ) {
nexus_diag_log( 'HTTP 200 OK' );
nexus_diag_log( 'Slave data size ' . $curl_info['size_download'] . ', receiving took ' . $curl_info['total_time'] . ' seconds' );
}
nexus_diag_log( 'Domain name lookup took ' . $curl_info['namelookup_time'] . ' seconds' );
if ( $code != 200 ) {
nexus_diag_log( '=== NETWORK SUBSYSTEM ===' );
nexus_diag_log( $curl_info );
/*if ( $code != 403 ) {
cerber_update_set( 'bad_response_' . $slave->id, array( time(), $code ) );
}*/
return new WP_Error( 'http_error', $code );
}
$ret = json_decode( $response, true );
if ( JSON_ERROR_NONE != json_last_error() ) {
return new WP_Error( 'json_error', 'Unable to decode the response: ' . json_last_error_msg() );
}
if ( is_array( $ret['payload'] ) ) {
if ( isset( $ret['scheme'] ) ) { // @since 8.0.5
$sha = sha1( json_encode( $ret['payload'], JSON_UNESCAPED_UNICODE ) );
}
else {
$sha = sha1( serialize( $ret['payload'] ) ); // 8.0
}
}
else {
$sha = sha1( $ret['payload'] );
}
if ( ! hash_equals( $ret['echo'], hash( 'sha512', $slave->site_echo . $sha ) ) ) {
return new WP_Error( 'checksum_error', 'Checksum mismatch: the slave response has been altered or security tokens mismatch.' );
}
nexus_diag_log( 'Slave ' . $slave->site_name . ' has generated response for ' . $ret['p_time'] );
nexus_diag_log( '=== NETWORK HAS FINISHED OK ===' );
return $ret;
}
function nexus_set_context() {
if ( 'nexus_switch' != cerber_get_get( 'cerber_admin_do' )
|| ! wp_verify_nonce( cerber_get_get( 'cerber_nonce' ), 'control' )
|| ! is_super_admin() ) {
return;
}
$id = absint( cerber_get_get( 'nexus_site_id' ) );
if ( $slave = nexus_get_slave_data( $id ) ) {
if ( crb_get_settings( 'master_swshow' ) ) {
cerber_admin_message( sprintf( __( 'You have switched to %s', 'wp-cerber' ), $slave->site_name ) . '. ' . 'To switch back to the master, click the X icon on the toolbar.' );
}
$expire = time() + apply_filters( 'auth_cookie_expiration', 14 * DAY_IN_SECONDS, get_current_user_id(), true );
if ( $back = cerber_get_get( 'back' ) ) {
update_user_meta( get_current_user_id(), 'nexus_back_to_url', $back );
}
}
else {
cerber_admin_message( __( 'You have switched back to the master website', 'wp-cerber' ) );
$expire = time();
$id = 0;
}
cerber_set_cookie( 'cerber_nexus_id', $id, $expire, '/' );
$remove = array(
'cerber_admin_do',
'cerber_nonce',
'nexus_site_id',
'back'
);
if ( $id ) {
if ( crb_admin_get_page() == 'cerber-nexus' ) {
$url = cerber_admin_link();
}
else {
$url = remove_query_arg( $remove );
}
}
else {
if ( crb_get_settings( 'master_tolist' ) ) {
if ( ! $url = get_user_meta( get_current_user_id(), 'nexus_back_to_url', true ) ) {
$url = cerber_admin_link( 'nexus_sites' );
}
else {
update_user_meta( get_current_user_id(), 'nexus_back_to_url', '' );
}
}
else {
$url = remove_query_arg( $remove );
}
}
if ( ! $url ) {
$url = cerber_admin_link();
}
wp_safe_redirect( $url );
exit();
}
/**
* A light version of nonce (pre-nonce)
*
* @param null $check_it
*
* @return bool|string
*/
function nexus_seal( $check_it = null ) {
$slave = nexus_get_context();
if ( ! $slave || ! $uid = get_current_user_id() ) {
return false;
}
$seal = sha1( $slave->id . '|' . $uid . '|' . PHP_VERSION . '|' . PHP_SAPI );
if ( $check_it === null ) {
return $seal;
}
return ( $seal === $check_it );
}
function nexus_do_bulk() {
if ( ! $ids = cerber_get_get( 'ids', '\d+' ) ) {
cerber_admin_notice( 'No items selected' );
return;
}
switch ( cerber_get_bulk_action() ) {
case 'nexus_delete_slave':
nexus_delete_slave( $ids );
break;
case 'nexus_upgrade_plugins':
nexus_bg_upgrade( $ids, array() );
//nexus_do_upgrade( $ids[0], array( CERBER_PLUGIN_ID ) );
break;
case 'nexus_upgrade_cerber':
nexus_bg_upgrade( $ids, array( CERBER_PLUGIN_ID ) );
//nexus_do_upgrade( $ids[0], array( CERBER_PLUGIN_ID ) );
break;
}
}
function nexus_bg_upgrade( $ids, $plugins ) {
foreach ( $ids as $id ) {
cerber_bg_task_add( array(
'func' => 'nexus_do_upgrade',
'args' => array( $id, $plugins, false ),
'exec_until' => 'stop', // may not be boolean
) );
}
cerber_admin_message( 'A background upgrade task has been launched' );
}
function nexus_do_upgrade( $slave_id, $plugins, $display_errors = false ) {
$response = nexus_send( array(
'type' => 'sw_upgrade',
'sw_type' => 'plugins',
'list' => $plugins
), $slave_id );
if ( ! empty( $response['results'] ) ) {
nexus_diag_log( cerber_flat_results( $response['results'], $display_errors ) );
}
if ( ! empty( $response['wait'] ) ) {
nexus_diag_log( 'Waiting for request from ' . $response['wait'] . ' is completed' );
sleep( 10 );
}
if ( empty( $response ) || ! empty( $response['completed'] ) ) {
nexus_add_bg_refresh( $slave_id );
return 'stop';
}
sleep( 3 );
return 0;
}
function nexus_schedule_refresh() {
// ORDER BY id DESC ?
$t = time() - ( is_super_admin() ? 1800 : 3600 );
if ( $sites = cerber_db_get_col( 'SELECT id FROM ' . cerber_get_db_prefix() . CERBER_MS_TABLE . ' WHERE refreshed < ' . $t . ' AND last_http <= 200 LIMIT 50' ) ) {
foreach ( $sites as $id ) {
// Protective interval
$key = 'nexus_schedule';
$last = cerber_get_set( $key, $id, false );
if ( $last && ( $last > ( time() - 600 ) ) ) {
continue;
}
cerber_update_set( $key, time(), $id, false, time() + 3600 );
/*
$key = 'nexus_refresh';
$log = array();
if ( $log = cerber_get_set( $key, $id ) ) {
if ( ! is_array( $log ) ) {
$log = array();
}
elseif ( ! empty( $log ) ) {
$delay = 300 * count( $log );
if ( reset( $log ) > ( time() - $delay ) ) {
continue;
}
}
}
array_shift( $log );
$log[] = time();
cerber_update_set( $key, $log, $id, false, time() + 60 );
*/
//cerber_bg_task_add( array( 'func' => 'nexus_send', 'args' => array( array( 'type' => 'hello' ), $id ) ) );
nexus_add_bg_refresh( $id );
}
}
}
function nexus_add_bg_refresh( $slave_id ) {
cerber_bg_task_add( array( 'func' => 'nexus_send', 'args' => array( array( 'type' => 'hello' ), $slave_id ) ) );
cerber_bg_task_add( array( 'func' => 'nexus_refresh_slave_srv', 'args' => array( $slave_id ) ) );
}
add_action( 'wp_before_admin_bar_render', function () {
global $wp_admin_bar;
if ( ! cerber_is_admin_page()
|| ! nexus_is_master() ) {
return;
}
if ( ! is_admin_bar_showing()
|| ! $wp_admin_bar instanceof WP_Admin_Bar ) {
return;
}
?>
remove_node( 'new-content' );
//$wp_admin_bar->remove_node( 'my-account' );
$exclude = array();
$exclude = array( 'query-monitor' );
//$exclude = array( 'top-secondary' );
foreach ( $wp_admin_bar->get_nodes() as $node => $data ) {
if ( in_array( $data->id, $exclude ) ) {
continue;
}
if ( empty( $data->parent ) ) {
$wp_admin_bar->remove_node( $data->id );
}
}
$current_id = null;
if ( $current = nexus_get_context() ) {
$current_id = $current->id;
$title = __( 'You are here:', 'wp-cerber' ) . ' ' . $current->site_name;
}
else {
$title = __( 'My Websites', 'wp-cerber' );
}
$wp_admin_bar->add_node( array(
'id' => 'crb_site_switch',
'title' => '' . $title,
'href' => cerber_admin_link( 'nexus_sites' ),
'meta' => array( 'class' => 'cerber-site-select' )
) );
$this_page = cerber_admin_link( crb_admin_get_tab(), array( 'page' => crb_admin_get_page() ), true );
if ( $current ) {
$wp_admin_bar->add_node( array(
'id' => 'crb_slave_site_menu',
'title' => '' . __( 'Visit Site' ),
'href' => $current->site_url,
) );
$wp_admin_bar->add_node( array(
'id' => 'crb_slave_admin',
'parent' => 'crb_slave_site_menu',
'title' => 'Dashboard',
'href' => trim( $current->site_url, '/' ) . '/wp-admin/',
) );
$wp_admin_bar->add_node( array(
'id' => 'crb_to_master',
//'parent' => 'top-secondary',
'title' => '',
'meta' => array( 'class' => 'ab-top-secondary', 'title' => 'Switch to the master' ),
'href' => nexus_get_back_link(),
) );
}
if ( $slaves = nexus_get_slaves( array( 'orderby' => 'id', 'order' => 'DESC' ) ) ) {
foreach ( $slaves as $slave ) {
if ( $current_id === $slave->id ) {
continue;
}
$wp_admin_bar->add_node( array(
'parent' => 'crb_site_switch',
'id' => 'site' . $slave->id,
'title' => $slave->site_name,
'href' => $this_page . '&cerber_admin_do=nexus_switch&nexus_site_id=' . $slave->id,
) );
}
}
else {
$wp_admin_bar->add_node( array(
'parent' => 'crb_site_switch',
'id' => 'none',
'title' => 'Click here to add a slave website',
'href' => cerber_admin_link( 'nexus_sites' ),
) );
}
}, 9999 );
add_filter( 'admin_body_class', function ( $var ) {
if ( cerber_is_admin_page() && nexus_get_context() ) {
$var .= ' crb-remote';
}
return $var;
} );
add_action( 'admin_head', function () {
if ( ! cerber_is_admin_page()
|| ! nexus_is_master() ) {
return;
}
?>
' . __( 'A newer version is available', 'wp-cerber' ) . ' (' . $update['new_version'] . ')';
// $upd = ' There is a newer version available' . ' (' . $update['new_version'] . ')';
//$upd = ' There is a newer version available' . ' (' . $update['new_version'] . ')';
}
$tbody .= '' . $data['Name'] . ' ' . $data['Version'] . ' ' . $upd . ' '.$data['Description'].' |
';
}
/*$heading = array(
__( 'Plugin', 'wp-cerber' ),
);
$titles = '| ' . implode( ' | ', $heading ) . ' |
|---|
';
$html = '' . $titles . '' . $titles . '' . $tbody . '
';
*/
$html = '';
//$html .= '';
//$html .= print_r( $list,1 );
//$html .= '
';
$response = array( 'html' => $html, 'header' => __( 'Active plugins and updates on', 'wp-cerber' ) );
}
else {
// TODO remove in production
//cerber_bg_task_add( array( 'func' => 'nexus_send', 'args' => array( array( 'type' => 'hello' ), $slave_id ) ) );
$slave = nexus_get_slave_data( $slave_id );
$response = array( 'html' => 'No information available. Refreshed: ' . cerber_auto_date( $slave->refreshed ),
'header' => __( 'Active plugins and updates on', 'wp-cerber' )
);
}
break;
}
echo json_encode( $response );
exit;
} );
function nexus_get_slave_plugins( $slave_id, $sort = true, $active_only = true, $inc_updates = true ) {
$slave_id = absint( $slave_id );
$ac = ( $active_only ) ? ' AND status = "1"' : '';
$plugins = cerber_db_get_results( 'SELECT * FROM ' . cerber_get_db_prefix() . CERBER_MS_LIST_TABLE . ' lst JOIN ' . cerber_get_db_prefix() . CERBER_SETS_TABLE . ' sts ON (lst.list_item = sts.the_key) WHERE lst.list_key = "plugins" AND lst.site_id = ' . $slave_id . ' ' . $ac );
$ret = array();
if ( $plugins ) {
foreach ( $plugins as $plugin ) {
$p = array();
$data = unserialize( $plugin['the_value'] );
$p['extra'] = $plugin['extra'];
$p['status'] = $plugin['status'];
$p['Name'] = $data['Name'];
$p['data'] = $data;
if ( $inc_updates ) {
//$p['update'] = cerber_get_set( 'nexus_upd_' . $data['plugin_key'] );
$p['update'] = nexus_get_update( $data['plugin_slug'], $data['Version'] );
}
$ret[] = $p;
}
if ( $sort ) {
uasort( $ret, function ( $a, $b ) {
return strnatcasecmp( $a['Name'], $b['Name'] );
} );
}
}
return $ret;
}
function nexus_refresh_slave_srv( $slave_id ) {
if ( ! $slave = nexus_get_slave_data( $slave_id ) ) {
return;
}
$server_host = parse_url( $slave->site_url, PHP_URL_HOST );
$srv_ip = @gethostbyname( $server_host );
if ( ! cerber_is_ip( $srv_ip ) ) {
return;
}
$srv_country = lab_get_country( $srv_ip, false );
if ( $srv_ip != $slave->server_id || $srv_country != $slave->server_country ) {
nexus_update_slave( $slave_id, array( 'server_id' => $srv_ip, 'server_country' => $srv_country ) );
}
// Updating servers
if ( ! $servers = cerber_get_set( 'nexus_servers' ) ) {
$servers = array();
}
$srv = crb_array_get( $servers, $srv_ip, array() );
if ( ! $srv || ( $srv[0] < ( time() - 300 ) ) ) {
$srv[0] = time();
$srv[1] = @gethostbyaddr( $srv_ip );
$srv[2] = $srv_country;
$servers[ $srv_ip ] = $srv;
cerber_update_set( 'nexus_servers', $servers );
}
// Updating list of server countries
if ( ! $list = cerber_get_set( 'nexus_countries' ) ) {
$list = array();
}
if ( $srv_country && ! isset( $list[ $srv_country ] ) ) {
$list[ $srv_country ] = cerber_country_name( $srv_country );
cerber_update_set( 'nexus_countries', $list );
}
}
/**
* Cleanup dependable lists
*
* @param $key string List key
* @param $field string DB field
*/
function nexus_delete_unused( $key, $field ) {
if ( ! $list = cerber_get_set( $key ) ) {
return;
}
$field = preg_replace( '/[^\w]/', '', $field );
$used = cerber_db_get_col( 'SELECT DISTINCT ' . $field . ' FROM ' . cerber_get_db_prefix() . CERBER_MS_TABLE );
if ( $used ) {
$filtered = array_intersect_key( $list, array_flip( array_intersect( array_keys( $list ), $used ) ) );
if ( count( $list ) != count( $filtered ) ) {
cerber_update_set( $key, $filtered );
}
}
else {
cerber_update_set( $key, array() );
}
}
function nexus_get_srv_info( $server_ip ) {
if ( ! $servers = cerber_get_set( 'nexus_servers' ) ) {
return false;
}
return crb_array_get( $servers, $server_ip, array() );
}
function nexus_update_list( $site_id, $key, $items = array() ) {
list( $site_id, $key ) = nexus_sanitize( $site_id, $key );
if ( empty( $site_id ) || empty( $key ) ) {
return false;
}
if ( empty( $items ) ) {
return nexus_delete_list( $site_id, $key );
}
// Reduce DB overhead if no changes in the list
// Note: works only if values in $items are all strings
// Doesn't work of the DB returns $old with not the same order as in $items
if ( $old = nexus_get_list( $site_id, $key, array( 'list_item', 'extra', 'status' ), 0 ) ) {
if ( count( $old ) === count( $items ) ) {
if ( sha1( serialize( $old ) ) === sha1( serialize( $items ) ) ) {
return true;
}
}
}
// Insert a new list
$values = array();
foreach ( $items as $item ) {
if ( is_array( $item ) ) {
$list_item = cerber_real_escape( $item[0] );
$extra = cerber_real_escape( crb_array_get( $item, 1, '' ) );
$status = substr( crb_array_get( $item, 2, '' ), 0, 1 );
}
else {
$list_item = cerber_real_escape( $item );
$extra = '';
$status = '0';
}
$values[] = '(' . $site_id . ',"' . $key . '","' . $list_item . '","' . $extra . '", ' . $status . ')';
}
nexus_delete_list( $site_id, $key );
$query = 'INSERT INTO ' . cerber_get_db_prefix() . CERBER_MS_LIST_TABLE . ' (site_id, list_key, list_item, extra, status) VALUES ' . implode( ',', $values );
$ret = cerber_db_query( $query );
if ( $e = cerber_db_get_errors() ) {
nexus_diag_log( $e );
}
return $ret;
}
function nexus_get_list( $site_id, $key = '', $fields = array(), $type = MYSQLI_ASSOC ) {
list( $site_id, $key, $table_fields ) = nexus_sanitize( $site_id, $key, $fields );
if ( empty( $site_id ) || empty( $key ) ) {
return false;
}
$where = nexus_make_where( $site_id, $key );
$sql_fields = ( $table_fields ) ? implode( ',', $fields ) : '*';
return cerber_db_get_results( 'SELECT ' . $sql_fields . ' FROM ' . cerber_get_db_prefix() . CERBER_MS_LIST_TABLE . ' WHERE ' . $where, $type );
}
function nexus_delete_list( $site_id, $key = '' ) {
list( $site_id, $key ) = nexus_sanitize( $site_id, $key );
if ( empty( $site_id ) ) {
return false;
}
$where = nexus_make_where( $site_id, $key );
return cerber_db_query( 'DELETE FROM ' . cerber_get_db_prefix() . CERBER_MS_LIST_TABLE . ' WHERE ' . $where );
}
function nexus_make_where( $site_id, $key = '' ) {
$where = ' site_id = ' . $site_id;
if ( $key ) {
$where .= ' AND list_key = "' . $key . '" ';
}
return $where;
}
function nexus_sanitize( $site_id, $key = '', $fields = array() ) {
$ret = array( 0, '', array() );
if ( ! $ret[0] = absint( $site_id ) ) {
return $ret;
}
if ( $key ) {
if ( ! preg_match( '/^[\w\-]+$/', $key ) ) {
return $ret;
}
$ret[1] = $key;
}
if ( $fields ) {
$ret[2] = array_filter( $fields, function ( $val ) {
if ( preg_match( '/^[\w]+$/', $val ) ) {
return true;
}
return false;
} );
}
return $ret;
}
function nexus_create_db( $role ) {
global $wpdb;
if ( 'utf8mb4' === $wpdb->charset || ( ! $wpdb->charset && $wpdb->has_cap( 'utf8mb4' ) ) ) {
$charset = 'utf8mb4';
$collate = 'utf8mb4_unicode_ci';
}
else {
$charset = 'utf8';
$collate = 'utf8_general_ci';
}
$sql = array();
if ( ! cerber_is_table( cerber_get_db_prefix() . CERBER_MS_TABLE ) ) {
$sql[] = '
CREATE TABLE IF NOT EXISTS ' . cerber_get_db_prefix() . CERBER_MS_TABLE . ' (
id int(20) UNSIGNED NOT NULL AUTO_INCREMENT,
site_name varchar(250) NOT NULL,
site_name_remote varchar(250) NOT NULL,
site_url varchar(250) CHARACTER SET ascii COLLATE ascii_general_ci NOT NULL,
group_id int(10) UNSIGNED NOT NULL DEFAULT 0,
plugin_v varchar(250) CHARACTER SET ascii COLLATE ascii_general_ci NOT NULL DEFAULT "",
wp_v varchar(250) CHARACTER SET ascii COLLATE ascii_general_ci NOT NULL DEFAULT "",
last_scan int(10) UNSIGNED NOT NULL DEFAULT 0,
updates int(10) UNSIGNED NOT NULL DEFAULT 0,
last_http int(10) UNSIGNED NOT NULL DEFAULT 0,
refreshed int(10) UNSIGNED NOT NULL DEFAULT 0,
x_field varchar(250) CHARACTER SET ascii COLLATE ascii_general_ci NOT NULL,
x_num int(10) UNSIGNED NOT NULL,
site_echo varchar(250) CHARACTER SET ascii COLLATE ascii_general_ci NOT NULL,
site_pass varchar(250) CHARACTER SET ascii COLLATE ascii_general_ci NOT NULL,
details text NOT NULL,
site_notes text NOT NULL,
PRIMARY KEY (id),
UNIQUE KEY site_url (site_url),
KEY group_id (group_id),
KEY refreshed (refreshed)
) DEFAULT CHARSET='.$charset.' COLLATE='.$collate.' COMMENT="Keep it secret";
';
}
if ( ! cerber_is_table( cerber_get_db_prefix() . CERBER_MS_LIST_TABLE ) ) {
$sql[] = '
CREATE TABLE IF NOT EXISTS ' . cerber_get_db_prefix() . CERBER_MS_LIST_TABLE . ' (
site_id bigint(20) UNSIGNED NOT NULL,
list_key varchar(250) CHARACTER SET ascii NOT NULL,
list_item varchar(250) NOT NULL,
extra varchar(250) NOT NULL DEFAULT "",
status char(1) CHARACTER SET ascii NOT NULL DEFAULT "",
updated int(10) UNSIGNED NOT NULL DEFAULT 0,
KEY site_id (site_id) USING HASH,
KEY the_key (list_key) USING BTREE
) DEFAULT CHARSET='.$charset.' COLLATE='.$collate.' COMMENT="";
';
}
foreach ( $sql as $query ) {
cerber_db_query( $query );
}
if ( $e = cerber_db_get_errors( true ) ) {
cerber_admin_notice( $e );
return false;
}
return nexus_upgrade_db();
}
function nexus_upgrade_db( $force = false ) {
$sql = array();
if ( $force || ! cerber_is_column( cerber_get_db_prefix() . CERBER_MS_TABLE, 'server_id' ) ) {
$sql[] = 'ALTER TABLE ' . cerber_get_db_prefix() . CERBER_MS_TABLE . '
ADD server_id VARCHAR(64) CHARACTER SET ascii COLLATE ascii_general_ci NOT NULL DEFAULT "" AFTER group_id,
ADD INDEX server (server_id),
ADD server_country CHAR(3) CHARACTER SET ascii COLLATE ascii_general_ci NOT NULL DEFAULT "" AFTER server_id,
ADD INDEX country (server_country);
';
}
if ( $force || ! cerber_is_column( cerber_get_db_prefix() . CERBER_MS_TABLE, 'site_key' ) ) {
$sql[] = 'ALTER TABLE ' . cerber_get_db_prefix() . CERBER_MS_TABLE . '
ADD site_key INT(11) UNSIGNED NOT NULL DEFAULT "0" AFTER plugin_v;
';
}
foreach ( $sql as $query ) {
cerber_db_query( $query );
}
if ( $e = cerber_db_get_errors( true ) ) {
cerber_admin_notice( $e );
return false;
}
return true;
}