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Validate Backup Files

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This commit is contained in:
SamBrishes 2020-06-28 14:06:59 +02:00
parent 7d8b895c8e
commit 476d4d731d
1 changed files with 42 additions and 6 deletions
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48
bl-plugins/backup/plugin.php
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@ -211,6 +211,12 @@ class pluginBackup extends Plugin {
if (Filesystem::zip($backupDir, $backupDir.'.zip')) {
Filesystem::deleteRecursive($backupDir);
}
// Add validation file
$zip = new ZipArchive();
$zip->open($backupDir.'.zip');
$zip->addFromString('.BLUDIT_BACKUP', md5_file($backupDir.'.zip'));
$zip->close();
}
if (file_exists($backupDir.'.zip')) {
@ -220,6 +226,40 @@ class pluginBackup extends Plugin {
return $this->response(400, $L->get("The Backup file could not be created."));
}
public function validateBackup($filename)
{
$tmp = PATH_TMP.'backup-'.time().'.zip';
copy($filename, $tmp);
// Check Archive
$zip = new ZipArchive();
if($zip->open($tmp) !== true) {
unlink($tmp);
return false;
}
// Check Basic Folders
if ($zip->addEmptyDir("databases") || $zip->addEmptyDir("pages") || $zip->addEmptyDir("uploads")) {
$zip->close();
unlink($tmp);
return false;
}
// Check Checksum
if (($checksum = $zip->getFromName(".BLUDIT_BACKUP")) === false) {
$zip->close();
unlink($tmp);
return false;
}
$zip->deleteName(".BLUDIT_BACKUP");
$zip->close();
$check = $checksum === md5_file($tmp);
// Return
unlink($tmp);
return $check;
}
public function restoreBackup($filename)
{
global $L;
@ -285,14 +325,10 @@ class pluginBackup extends Plugin {
return $this->response(400, $L->get("The passed file could not be validated."));
}
// Validate ZIP File
$zip = new ZipArchive();
$zip->open($backup["tmp_name"]);
if($zip->addEmptyDir("databases") || $zip->addEmptyDir("pages") || $zip->addEmptyDir("uploads")) {
$zip->close();
// Validate Backup ZIP
if (!$this->validateBackup($backup["tmp_name"])) {
return $this->response(415, $L->get("The passed file is not a valid backup archive."));
}
$zip->close();
// File Name
$name = $backup["name"];