<?php
/*
MUI Name: WWL_UAM_MUI
Description: Suppress UAM if not needed
Author: WWL
Version: 1.2
Author URI: https://clanverwaltung.de
Plugin URI: https://warumwirleben.de/svn/wordpress/uam/uam_filter.php
Modified: 2023-05-04
*/

global $starttime,$uam_ru;
$starttime=microtime(true);

function lf_filter_log($ll="")
{
    $lfn=__DIR__ .'/uam_filter.log';
    // if (file_exists($lfn)) { unlink($lfn); }

    if (isset($_GET['debug'])) {
        global $starttime;
        return file_put_contents($lfn, date('d.m.y H:i:s').' '.$starttime.' '.number_format(microtime(true)-$starttime,5).' '.$ll.chr(13).chr(10), FILE_APPEND | LOCK_EX);
    }
}

$uam_ru=strtolower($_SERVER['REQUEST_URI']);
$uam_ru=str_replace('/more','',$uam_ru);
$uam_ru=str_replace('/clean','',$uam_ru);
if (false === strpos($uam_ru,'/wp-admin/')) {
    //lf_filter_log('*** CALL_A *** '.$_SERVER['REQUEST_URI'].' ***');
    add_filter('option_active_plugins',
        function($plugins)
        {
            global $uam_ru, $g_uam_newplugins;
            if (isset($g_uam_newplugins)) {
                if (count($g_uam_newplugins)>0) { return $g_uam_newplugins; }
            }
            lf_filter_log('*** CALL_B *** '.$uam_ru.' ***');
            $jamesuri=( ($uam_ru=="/") || (substr($uam_ru,0,3)=="/?f") || (strpos($uam_ru,'?cronkey=')>0) || (strpos($uam_ru,'&apikey=')>0) || (strpos($uam_ru,'/wp-cron.php')>0) );
            //lf_filter_log('ru='.$ru);
            //lf_filter_log('jamesuri='.$jamesuri);
            $uam_found=0;
            $newplugins=array();
            foreach ($plugins as $myplug) {
                $skip=0;
                if ($myplug=='user-access-manager/user-access-manager.php') {
                    if ($jamesuri === true) {
                        $skip=1;
                        $uam_found=1;
                        // lf_filter_log('uam_found='.$uam_found);
                    }
                    //$skip=1; $uam_found=1;
                }
                if ($skip==0) { $newplugins[]=$myplug; }
                // lf_filter_log('Skipped '.$myplug);
            }

            if ( (!($jamesuri===true)) && ($uam_found==0) ) {
                $newplugins[]='user-access-manager/user-access-manager.php';
                lf_filter_log('PLUGIN UAM APPENDED');
            } else {
                if ($uam_found==1) {
                    lf_filter_log('PLUGIN SKIPPED');
                }
            }

            $g_uam_newplugins=$newplugins;
            return $newplugins;
        });
} else {
    // wp-admin
    add_filter('option_active_plugins',
    function($plugins)
    {
        global $uam_ru, $g_uam_newplugins_2;
        if (isset($g_uam_newplugins_2)) {
            if (count($g_uam_newplugins_2)>0) { return $g_uam_newplugins_2; }
        }
        $newplugins=array();
        foreach ($plugins as $myplug) {
            $skip=0;
            if ($myplug=='user-access-manager/user-access-manager.php') { $skip=1; }
            if ($skip==0) { $newplugins[]=$myplug; }
        }

        $g_uam_newplugins_2=$newplugins;
        return $newplugins;
    });
}