@haxtheweb/haxcms-nodejs/dist/routes/downloadSite.js

HAXcms single and multisite nodejs server, api, and administration

"use strict";

const {
  HAXCMS
} = require('../lib/HAXCMS.js');
const fs = require('fs-extra');
const archiver = require('archiver');
/**
   * @OA\Post(
   *    path="/downloadSite",
   *    tags={"cms","authenticated","site","meta"},
   *    @OA\Parameter(
   *         name="jwt",
   *         description="JSON Web token, obtain by using  /login",
   *         in="query",
   *         required=true,
   *         @OA\Schema(type="string")
   *    ),
   *    @OA\RequestBody(
   *        @OA\MediaType(
   *             mediaType="application/json",
   *             @OA\Schema(
   *                 @OA\Property(
   *                     property="site",
   *                     type="object"
   *                 ),
   *                 required={"site"},
   *                 example={
   *                    "site": {
   *                      "name": "mynewsite"
   *                    },
   *                 }
   *             )
   *         )
   *    ),
   *    @OA\Response(
   *        response="200",
   *        description="Download the site folder as a zip file"
   *   )
   * )
   */
async function downloadSite(req, res) {
  if (req.query['user_token'] && HAXCMS.validateRequestToken(req.query['user_token'], HAXCMS.getActiveUserName())) {
    // load site
    let site = await HAXCMS.loadSite(req.body['site']['name']);
    // create archived directory in this tree if it doesn't exist already
    if (!fs.existsSync(HAXCMS.HAXCMS_ROOT + HAXCMS.publishedDirectory)) {
      fs.mkdirSync(HAXCMS.HAXCMS_ROOT + HAXCMS.publishedDirectory);
    }
    // helpful boilerplate https://stackoverflow.com/questions/29873248/how-to-zip-a-whole-directory-and-download-using-php
    let dir = HAXCMS.HAXCMS_ROOT + HAXCMS.sitesDirectory + '/' + site.name;
    // form a basic name
    let zip_file = HAXCMS.HAXCMS_ROOT + HAXCMS.publishedDirectory + '/' + site.name + '.zip';
    // Get real path for our folder
    let rootPath = await fs.realpath(dir);
    // Initialize archive object
    await zipDirectory(rootPath, zip_file);
    res.send({
      status: 200,
      data: {
        'link': HAXCMS.basePath + HAXCMS.publishedDirectory + '/' + site.name + '.zip',
        'name': site.name
      }
    });
  } else {
    res.sendStatus(403);
  }
}

/**
 * @param {String} sourceDir: /some/folder/to/compress
 * @param {String} outPath: /path/to/created.zip
 * @returns {Promise}
 */
function zipDirectory(sourceDir, outPath) {
  const archive = archiver('zip', {
    zlib: {
      level: 9
    }
  });
  const stream = fs.createWriteStream(outPath);
  return new Promise((resolve, reject) => {
    archive.directory(sourceDir, false).on('error', err => reject(err)).pipe(stream);
    stream.on('close', () => resolve());
    archive.finalize();
  });
}
module.exports = downloadSite;