CMS-CSE/core/class/serverLog.class.php

<?php 

class serverLog {

    public static function printLog(string $_log){
        if (serverLog::detectLogsAttempts($_log)) {
            self::printLogAttempts($_log);
        } elseif (serverLog::detectApacheLog($_log)) {
            self::printColoredApacheLog($_log );
        } elseif (stripos($_log, 'error') !== false) {
            echo '<div style="color: salmon;">' . $_log . '</div>';
        } elseif (stripos($_log, 'fatal') !== false) {
            echo '<div style="color: #FF5252;">' . $_log . '</div>';
        } elseif (stripos($_log, 'warn') !== false OR stripos($_log, 'alert') !== false) {
            echo '<div style="color: orange;">' . $_log . '</div>';
        } elseif (stripos($_log, 'notice') !== false) {
            echo '<div style="color: white;">' . $_log . '</div>';
        } else {
            echo '<div style="color: grey;">' . $_log . '</div>';
        }
    }

    public static function filtreLog(string $_log){
        $log = self::hidePassword($_log);
        $log = self::hideEmail($log);
        self::printLog($log);
    }

    private static function detectLogsAttempts(string $str): bool {
        return preg_match(
            '/^\d{1,3}(\.\d{1,3}){3},\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2},/',
            $str
        ) === 1;
    }

    public static function printLogAttempts(string $_log){
        $parts = explode(',', $_log, 4);
        if (count($parts) === 4) {
            echo '<div class="notice">'
                . '<span style="color:#4FC3F7;">' . htmlspecialchars($parts[0]) . '</span>, '
                . '<span style="color:#81C784;">' . htmlspecialchars($parts[1]) . '</span>, '
                . '<span style="color:#FFD54F;">' . htmlspecialchars($parts[2]) . '</span>, '
                . '<span style="color:#FF8A65;">' . htmlspecialchars($parts[3]) . '</span>'
                . '</div>';
            return;
        }
    }

    private static function detectApacheLog(string $str): bool {
        return preg_match(
            '/^\[(?<date>[A-Za-z]{3} [A-Za-z]{3} \d{2} [\d:.]+ \d{4})\] \[(?<type>[^\]]+)\] \[pid (?<pid>\d+):tid (?<tid>\d+)\] \[client (?<client>[^\]]+)\] (?<msg>.*?)(?:, referer: (?<referer>.+))?$/',
            $str
        ) === 1;
    }

    public static function printColoredApacheLog(string $line) {
        $regex = '/^\[(?<date>[A-Za-z]{3} [A-Za-z]{3} \d{2} [\d:.]+ \d{4})\] \[(?<type>[^\]]+)\] \[pid (?<pid>\d+):tid (?<tid>\d+)\] \[client (?<client>[^\]]+)\] (?<msg>.*?)(?:, referer: (?<referer>.+))?$/';
        if (preg_match($regex, $line, $matches)) {
            echo '<div class="notice">'
                . '<span style="color:#4FC3F7;">[' . htmlspecialchars($matches['date']) . ']</span> '
                . '<span style="color:#FFD54F;">[' . htmlspecialchars($matches['type']) . ']</span> '
                . '<span style="color:#BDBDBD;">[pid ' . htmlspecialchars($matches['pid']) . ':tid ' . htmlspecialchars($matches['tid']) . ']</span> '
                . '<span style="color:#81C784;">[client ' . htmlspecialchars($matches['client']) . ']</span> '
                . '<span style="color:#FF8A65;">' . htmlspecialchars($matches['msg']) . '</span>';
            if (!empty($matches['referer'])) {
                echo ' <span style="color:#90CAF9;">referer: ' . htmlspecialchars($matches['referer']) . '</span>';
            }
            echo '</div>';
        } else {
            echo '<div style="color:grey;">' . htmlspecialchars($line) . '</div>';
        }
    }

    private static function ifFolderWww(string $_log){
        return (stripos($_log, DOCUMENT_ROOT) !== false) ? TRUE : FALSE;
    }

    private static function ifFolderDomain(string $_log){
        return (stripos($_log, DOMAIN_CMS) !== false) ? TRUE : FALSE;
    }

    private static function ifGeneral(string $_log){
        return (stripos($_log, "/var/www/") == FALSE AND stripos($_log, "https://") == FALSE) ? TRUE : FALSE;
    }

    private static function hidePassword($input) {
        return preg_replace("/('password'\s*=>\s*)'[^']*'/", "$1'##PASSWORD##'", $input);
    }

    private static function hideEmail($input) {
        return preg_replace("/('email'\s*=>\s*)'[^']*'/", "$1'##EMAIL##'", $input);
    }

    public static function consoleLog(string $_logFile){
        if (!is_readable($_logFile)) {
            echo "Le fichier n'est pas accessible en lecture.";
            exit();
        }

        $lines = file($_logFile);
        $search = strtolower($_GET['search'] ?? '');
        $limit = strtolower($_GET['limit'] ?? 50); // A défaut les 50 derniers logs

        if ($search) {
            $lines = array_filter($lines, fn($line) => stripos($line, $search) !== false);
        }

        $lines = array_reverse($lines);

        foreach (array_slice($lines, 0, $limit) as $line) {
            serverLog::filtreLog($line);
        }
    }
}