2022/CVE-2022-0328/vultarget/simple-membership/classes/class.swpm-log.php
<?php

class SwpmLog {
    private $error;
    private $warn;
    private $notice;
    private static $intance;
    private function __construct() {
        $this->error  = array();
        $this->warn   = array();
        $this->notice = array();
    }
    public static function get_logger($context = ''){
        $context = empty($context)? 'default': $context;
        if (!isset(self::$intance[$context])){
            self::$intance[$context] = new SwpmLog();
        }
        return self::$intance[$context];
    }
    public function error($msg){
        $this->error[] = $msg;
    }
    public function warn($msg){
        $this->warn[] = $msg;
    }
    public function debug($msg){
        $this->notice[] = $msg;
    }
    public function get($to_screen = false){
        $msg = '';
        foreach ($this->error as $error ){
            $msg .= 'ERROR: ' . $error . ($to_screen?"<br/>":"\n");
        }
        foreach($this->warn as $warn){
            $msg .= 'WARN: ' . $warn . ($to_screen?"<br/>":"\n");
        }
        foreach ($this->notice as $notice){
            $msg = 'NOTICE: ' . $notice . ($to_screen?"<br/>":"\n");
        }
        return $msg;
    }
    public static function writeall($path = ''){
        if (empty($path)) {$path = SIMPLE_WP_MEMBERSHIP_PATH . 'log.txt';}
        $fp = fopen($path, 'a');
        $date = current_time('mysql');
        fwrite($fp, strtoupper($date) . ":\n");
        fwrite($fp, str_repeat('-=', (strlen($date)+1.0)/2.0) . "\n");
        foreach (self::$intance as $context=>$intance){
            fwrite($fp, strtoupper($context) . ":\n");
            fwrite($fp, str_repeat('=', strlen($context)+1) . "\n");
            fwrite($fp, $intance->get());
        }
        fclose($fp);
    }

    public static function log_simple_debug($message, $success, $end = false) {
        $settings = SwpmSettings::get_instance();
        $debug_enabled = $settings->get_value('enable-debug');
        if (empty($debug_enabled)) {//Debug is not enabled
            return;
        }

        //Lets write to the log file
        $debug_log_file_name = SIMPLE_WP_MEMBERSHIP_PATH . 'log.txt';

        // Timestamp
        $log_timestamp = SwpmUtils::get_current_timestamp_for_debug_log();
        $text = '[' . $log_timestamp . '] - ' . (($success) ? 'SUCCESS: ' : 'FAILURE: ') . $message . "\n";
        if ($end) {
            $text .= "\n------------------------------------------------------------------\n\n";
        }
        // Write to log
        $fp = fopen($debug_log_file_name, 'a');
        fwrite($fp, $text);
        fclose($fp);  // close file
    }

    public static function log_array_data_to_debug($array_to_write, $success, $end = false) {
        $settings = SwpmSettings::get_instance();
        $debug_enabled = $settings->get_value('enable-debug');
        if (empty($debug_enabled)) {//Debug is not enabled
            return;
        }

        //Lets write to the log file
        $debug_log_file_name = SIMPLE_WP_MEMBERSHIP_PATH . 'log.txt';

        // Timestamp
        $log_timestamp = SwpmUtils::get_current_timestamp_for_debug_log();
        $text = '[' . $log_timestamp . '] - ' . (($success) ? 'SUCCESS: ' : 'FAILURE: ') . "\n";
        ob_start();
        print_r($array_to_write);
        $var = ob_get_contents();
        ob_end_clean();
        $text .= $var;

        if ($end) {
            $text .= "\n------------------------------------------------------------------\n\n";
        }
        // Write to log
        $fp = fopen($debug_log_file_name, 'a');
        fwrite($fp, $text);
        fclose($fp);  // close file
    }

    public static function log_auth_debug($message, $success, $end = false) {
        $settings = SwpmSettings::get_instance();
        $debug_enabled = $settings->get_value('enable-debug');
        if (empty($debug_enabled)) {//Debug is not enabled
            return;
        }

        //Lets write to the log file
        $debug_log_file_name = SIMPLE_WP_MEMBERSHIP_PATH . 'log-auth.txt';

        // Timestamp
        $log_timestamp = SwpmUtils::get_current_timestamp_for_debug_log();
        $text = '[' . $log_timestamp . '] - ' . (($success) ? 'SUCCESS: ' : 'FAILURE: ') . $message . "\n";
        if ($end) {
            $text .= "\n------------------------------------------------------------------\n\n";
        }
        // Write to log
        $fp = fopen($debug_log_file_name, 'a');
        fwrite($fp, $text);
        fclose($fp);  // close file
    }

    public static function reset_swmp_log_files() {
        $log_reset = true;
        $logfile_list = array(
            SIMPLE_WP_MEMBERSHIP_PATH . '/log.txt',
            SIMPLE_WP_MEMBERSHIP_PATH . '/log-auth.txt',
        );

        foreach ($logfile_list as $logfile) {
            if (empty($logfile)) {
                continue;
            }

            $log_timestamp = SwpmUtils::get_current_timestamp_for_debug_log();
            $text = '[' . $log_timestamp . '] - SUCCESS: Log file reset';
            $text .= "\n------------------------------------------------------------------\n\n";
            $fp = fopen($logfile, 'w');
            if ($fp != FALSE) {
                @fwrite($fp, $text);
                @fclose($fp);
            } else {
                $log_reset = false;
            }
        }
        return $log_reset;
    }

}
