Files
SkinbaseNova/scripts/export_legacy_passwords.php

76 lines
2.4 KiB
PHP

<?php
/**
* Export legacy user password hashes into a SQL file suitable for updating the new DB.
* Usage: php scripts/export_legacy_passwords.php /path/to/out.sql
* If no path provided, writes to scripts/legacy-passwords-export.sql
*/
require __DIR__ . '/../vendor/autoload.php';
$app = require __DIR__ . '/../bootstrap/app.php';
$app->make(\Illuminate\Contracts\Console\Kernel::class)->bootstrap();
use Illuminate\Support\Facades\DB;
$outPath = $argv[1] ?? __DIR__ . '/legacy-passwords-export.sql';
try {
DB::connection('legacy')->getPdo();
} catch (\Throwable $e) {
fwrite(STDERR, "Legacy DB connection not available: " . $e->getMessage() . PHP_EOL);
exit(2);
}
$now = date('Y-m-d H:i:s');
$fh = fopen($outPath, 'wb');
if ($fh === false) {
fwrite(STDERR, "Could not open output file: {$outPath}\n");
exit(3);
}
fwrite($fh, "-- Legacy password export\n");
fwrite($fh, "-- Generated: {$now}\n");
fwrite($fh, "-- Source: legacy DB (read-only)\n\n");
fwrite($fh, "SET NAMES utf8mb4;\n");
fwrite($fh, "USE `" . DB::getDatabaseName() . "`;\n");
fwrite($fh, "START TRANSACTION;\n\n");
$exported = 0;
DB::connection('legacy')
->table('users')
->select(['user_id', 'password2', 'password'])
->orderBy('user_id')
->chunk(500, function ($rows) use (&$fh, &$exported, $now) {
foreach ($rows as $r) {
$id = (int) ($r->user_id ?? 0);
$hash = trim((string) ($r->password2 ?: $r->password ?: ''));
if ($id === 0 || $hash === '' || $hash === 'abc123') {
continue;
}
// detect common hash types
$algo = 'unknown';
if (preg_match('/^\$2[aby]\$/', $hash)) {
$algo = 'bcrypt';
} elseif (preg_match('/^\$argon2/', $hash)) {
$algo = 'argon2';
}
// escape for SQL single-quoted literal
$escaped = str_replace(['\\', "'"], ['\\\\', "\\'"], $hash);
fwrite($fh, "-- user_id={$id} legacy_algo={$algo}\n");
fwrite($fh, "SAVEPOINT sp_{$id};\n");
fwrite($fh, "UPDATE `users` SET `password` = '{$escaped}', `legacy_password_algo` = '" . $algo . "', `needs_password_reset` = 1, `updated_at` = '{$now}' WHERE `id` = {$id};\n\n");
$exported++;
}
});
fwrite($fh, "COMMIT;\n\n");
fwrite($fh, "-- Exported: {$exported} user(s)\n");
fclose($fh);
fwrite(STDOUT, "Wrote {$exported} rows to: {$outPath}\n");
exit(0);