Jonathan Miller
ace33b60fe
Generic: Repo Health / Site Health (push) Has been skipped
Generic: Repo Health / Access control (push) Successful in 2s
Universal: Auto Version Bump / Version Bump (push) Successful in 10s
Generic: Repo Health / Scripts governance (push) Has been cancelled
Generic: Repo Health / Repository health (push) Has been cancelled
Generic: Repo Health / Report Issues (push) Has been cancelled
Renames all sub-extensions from mokojoombackup to mokosuitebackup
(package, component, 7 plugins, language files, manifests).
Adds [HOME] placeholder to BackupDirectory and PlaceholderResolver
so users can set backup_dir to [HOME]/backups (outside web root).
Fixes folder browser "access denied" on PHP-FPM shared hosting
where getenv('HOME') returns empty by adding POSIX and JPATH_ROOT
fallback detection.
92 lines
2.5 KiB
PHP
92 lines
2.5 KiB
PHP
<?php
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/**
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* @package MokoSuiteBackup
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* @subpackage com_mokosuitebackup
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* @author Moko Consulting <hello@mokoconsulting.tech>
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* @copyright Copyright (C) 2026 Moko Consulting. All rights reserved.
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* @license GNU General Public License version 3 or later; see LICENSE
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*
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* Differential file scanner — compares current filesystem against a
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* stored manifest from the last full backup. Only returns files that
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* are new or modified since the base backup.
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*
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* Manifest format (JSON):
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* {"path/to/file": {"size": 1234, "mtime": 1717350000}, ...}
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*/
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namespace Joomla\Component\MokoSuiteBackup\Administrator\Engine;
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defined('_JEXEC') or die;
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class DifferentialScanner
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{
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/**
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* Build a file manifest for the current state of the site.
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*
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* @param string[] $filePaths Array of relative file paths (from FileScanner)
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* @param string $rootDir Joomla root directory
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*
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* @return array<string, array{size: int, mtime: int}>
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*/
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public static function buildManifest(array $filePaths, string $rootDir): array
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{
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$manifest = [];
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foreach ($filePaths as $relativePath) {
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$fullPath = rtrim($rootDir, '/') . '/' . $relativePath;
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if (!is_file($fullPath)) {
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continue;
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}
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$manifest[$relativePath] = [
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'size' => (int) filesize($fullPath),
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'mtime' => (int) filemtime($fullPath),
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];
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}
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return $manifest;
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}
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/**
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* Compare current files against a base manifest and return only changed/new files.
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*
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* @param array $currentFiles Array of relative file paths from FileScanner
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* @param array $baseManifest Manifest from the base full backup
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* @param string $rootDir Joomla root directory
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*
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* @return string[] Array of relative paths that are new or modified
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*/
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public static function getChangedFiles(array $currentFiles, array $baseManifest, string $rootDir): array
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{
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$changed = [];
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foreach ($currentFiles as $relativePath) {
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$fullPath = rtrim($rootDir, '/') . '/' . $relativePath;
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if (!is_file($fullPath)) {
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continue;
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}
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// New file — not in base manifest
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if (!isset($baseManifest[$relativePath])) {
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$changed[] = $relativePath;
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continue;
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}
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// Check if modified (size or mtime changed)
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$currentSize = (int) filesize($fullPath);
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$currentMtime = (int) filemtime($fullPath);
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$baseEntry = $baseManifest[$relativePath];
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if ($currentSize !== $baseEntry['size'] || $currentMtime !== $baseEntry['mtime']) {
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$changed[] = $relativePath;
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}
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}
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return $changed;
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}
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}
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