penguins-eggs/dist/classes/ovary.d/users-remove.js

A remaster system tool, compatible with Almalinux, Alpine, Arch, Debian, Devuan, Fedora, Manjaro, Opensuse, Ubuntu and derivatives

/**
 * src/classes/ovary.d/users-remove.ts
 * penguins-eggs v.25.7.x / ecmascript 2020
 * REFACTORED: Uses "The SysUser Master" class.
 * Cleans up host users from the ISO filesystem safely.
 */
import fs from 'fs';
import path from 'path';
import { exec } from '../../lib/utils.js';
import SysUsers from '../sys-users.js';
export default async function usersRemove() {
    // Il target corretto in Ovary è la directory "merged" dell'overlayfs
    const target = this.settings.work_dir.merged;
    // Assicuriamoci che il target esista per sicurezza
    if (!target || !fs.existsSync(target)) {
        console.error(`SysUsers Error: Merged target directory not found at: ${target}`);
        return;
    }
    // Nota: verifica se in Ovary hai 'this.familyId' diretto o 'this.distro.familyId'.
    // Solitamente è this.distro.familyId, ma se hai un getter va bene così.
    const familyId = this.distro?.familyId || this.familyId;
    console.log(`Cleaning host users from ISO snapshot at ${target} (Family: ${familyId})...`);
    // 2. CARICAMENTO CONFIGURAZIONE
    const sysUsers = new SysUsers(target, familyId);
    sysUsers.load();
    // 3. IDENTIFICAZIONE UTENTI DA RIMUOVERE
    // Dobbiamo leggere il file passwd raw per decidere chi rimuovere
    // (rimuoviamo UID >= 1000 tranne 'nobody' e 'root')
    const usersToDelete = [];
    const passwdPath = path.join(target, 'etc/passwd');
    if (fs.existsSync(passwdPath)) {
        const lines = fs.readFileSync(passwdPath, 'utf8').split('\n');
        for (const line of lines) {
            const parts = line.split(':');
            if (parts.length > 2) {
                const uid = Number.parseInt(parts[2]);
                const username = parts[0];
                // Logica di rimozione standard di eggs
                if (uid >= 1000 && username !== 'nobody') {
                    usersToDelete.push(username);
                }
            }
        }
    }
    // 4. ESECUZIONE RIMOZIONE (IN MEMORIA)
    for (const username of usersToDelete) {
        console.log(`- Removing user: ${username}`);
        sysUsers.removeUser(username);
        // Pulizia File Fisici (Home, Mail) - Operazioni FS dirette
        const homeDir = path.join(target, 'home', username);
        if (fs.existsSync(homeDir)) {
            await exec(`rm -rf ${homeDir}`, this.echo);
        }
        const mailFile = path.join(target, 'var/mail', username);
        if (fs.existsSync(mailFile)) {
            fs.unlinkSync(mailFile);
        }
    }
    // 5. SALVATAGGIO ATOMICO SU DISCO
    if (usersToDelete.length > 0) {
        // Scrive passwd, shadow, group, gshadow, subuid... e ripara SELinux
        await sysUsers.save();
        console.log('User cleanup completed via SysUsers Master.');
    }
    else {
        console.log('No users needed to be removed.');
    }
}