BookStack Code Mirror - bookstack/blob - app/Exports/ZipExportBuilder.php

   1 <?php
   2
   3 namespace BookStack\Exports;
   4
   5 use BookStack\Entities\Models\Page;
   6 use BookStack\Exceptions\ZipExportException;
   7 use ZipArchive;
   8
   9 class ZipExportBuilder
  10 {
  11     protected array $data = [];
  12
  13     /**
  14      * @throws ZipExportException
  15      */
  16     public function buildForPage(Page $page): string
  17     {
  18         $this->data['page'] = [
  19             'id' => $page->id,
  20         ];
  21
  22         return $this->build();
  23     }
  24
  25     /**
  26      * @throws ZipExportException
  27      */
  28     protected function build(): string
  29     {
  30         $this->data['exported_at'] = date(DATE_ATOM);
  31         $this->data['instance'] = [
  32             'version' => trim(file_get_contents(base_path('version'))),
  33             'id_ciphertext' => encrypt('bookstack'),
  34         ];
  35
  36         $zipFile = tempnam(sys_get_temp_dir(), 'bszip-');
  37         $zip = new ZipArchive();
  38         $opened = $zip->open($zipFile, ZipArchive::CREATE);
  39         if ($opened !== true) {
  40             throw new ZipExportException('Failed to create zip file for export.');
  41         }
  42
  43         $zip->addFromString('data.json', json_encode($this->data));
  44         $zip->addEmptyDir('files');
  45
  46         return $zipFile;
  47     }
  48 }