Marek Miklewicz
112 lines
4.4 KiB
PHP
112 lines
4.4 KiB
PHP
<?php
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declare(strict_types=1);
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return static function (AppContext $ctx): void {
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$pluginErrorLog = PLUGIN_ROOT . '/error.log';
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$rawMode = defined('DA_POSTGRESQL_RAW_MODE') && DA_POSTGRESQL_RAW_MODE === true;
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$log = static function (string $message) use ($pluginErrorLog, $ctx): void {
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$entry = sprintf(
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"[%s] DOWNLOAD_DIRECT action=%s user=%s remote=%s method=%s uri=%s %s\n",
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date('c'),
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$ctx->action(),
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$ctx->daUser->username(),
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Http::server('REMOTE_ADDR'),
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Http::method(),
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Http::server('REQUEST_URI'),
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$message
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);
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@error_log($entry, 3, $pluginErrorLog);
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};
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try {
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if (!$ctx->daUser->hasPluginAccess()) {
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throw new RuntimeException('Brak dostępu do pluginu.');
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}
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$queue = new BackupQueueService($ctx->settings, $ctx->daUser);
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$jobId = trim($ctx->queryString('job'));
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$backupPath = trim($ctx->queryString('path'));
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$downloadPath = '';
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$logLabel = '';
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if ($jobId !== '') {
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$logLabel = 'job_id=' . $jobId;
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$downloadPath = $queue->resolveBackupTargetFileForCurrentUser($jobId);
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} elseif ($backupPath !== '') {
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$logLabel = 'path=' . $backupPath;
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$downloadPath = $queue->resolveUserBackupFileForCurrentUser($backupPath);
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} else {
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throw new RuntimeException('Brak parametru job lub path.');
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}
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// Reuse streaming logic from index handler (simplified)
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$log('start ' . $logLabel);
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if (!is_file($downloadPath) || !is_readable($downloadPath)) {
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throw new RuntimeException('Plik backupu nie istnieje lub brak odczytu.');
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}
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$downloadName = basename($downloadPath);
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$downloadName = preg_replace('/[^A-Za-z0-9._-]+/', '_', $downloadName) ?? 'backup.sql';
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$contentType = 'application/octet-stream';
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if (preg_match('/\\.sql$/i', $downloadName)) {
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$contentType = 'application/sql';
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} elseif (preg_match('/\\.gz$/i', $downloadName)) {
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$contentType = 'application/gzip';
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}
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clearstatcache(true, $downloadPath);
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$size = @filesize($downloadPath);
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while (ob_get_level() > 0) {
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@ob_end_clean();
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}
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if (function_exists('apache_setenv')) {
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@apache_setenv('no-gzip', '1');
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}
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@ini_set('zlib.output_compression', '0');
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@ini_set('output_buffering', '0');
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if ($rawMode) {
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$statusLine = 'HTTP/1.1 200 OK';
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echo $statusLine . "\r\n";
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echo 'Content-Type: ' . $contentType . "\r\n";
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echo 'Content-Disposition: attachment; filename="' . str_replace('"', '', $downloadName) . "\"\r\n";
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echo "X-Content-Type-Options: nosniff\r\n";
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echo "Cache-Control: no-store, no-cache, must-revalidate\r\n";
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echo "Pragma: no-cache\r\n";
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if (is_int($size) && $size > 0) {
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echo 'Content-Length: ' . (string)$size . "\r\n";
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}
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echo "\r\n";
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} else {
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if (headers_sent($hsFile, $hsLine)) {
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$log('headers_sent ' . $logLabel . ' file=' . $hsFile . ' line=' . (string)$hsLine);
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throw new RuntimeException('Nagłówki zostały już wysłane.');
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}
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header_remove('Content-Encoding');
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header('Content-Type: ' . $contentType);
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header('Content-Disposition: attachment; filename="' . str_replace('"', '', $downloadName) . '"');
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header('X-Content-Type-Options: nosniff');
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header('Cache-Control: no-store, no-cache, must-revalidate');
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header('Pragma: no-cache');
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if (is_int($size) && $size > 0) {
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header('Content-Length: ' . (string)$size);
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}
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}
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$bytes = @readfile($downloadPath);
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$log('done ' . $logLabel . ' bytes=' . (string)$bytes);
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exit;
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} catch (Throwable $e) {
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$log('error message=' . $e->getMessage());
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if ($rawMode) {
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echo "HTTP/1.1 404 Not Found\r\n";
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echo "Content-Type: text/plain; charset=UTF-8\r\n\r\n";
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echo 'Nie można pobrać backupu: ' . $e->getMessage();
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} else {
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http_response_code(404);
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header('Content-Type: text/plain; charset=UTF-8');
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echo 'Nie można pobrać backupu: ' . $e->getMessage();
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}
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exit;
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}
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};
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