verdaccio/src/api/web/endpoint/search.js

/**
 * @prettier
 * @flow
 */

import Search from '../../../lib/search';
import { DIST_TAGS } from '../../../lib/constants';
import type { Router } from 'express';
import type { IAuth, $ResponseExtend, $RequestExtend, $NextFunctionVer, IStorageHandler } from '../../../../types';

function addSearchWebApi(route: Router, storage: IStorageHandler, auth: IAuth) {
  // Search package
  route.get('/search/:anything', function(req: $RequestExtend, res: $ResponseExtend, next: $NextFunctionVer) {
    const results: any = Search.query(req.params.anything);
    const packages = [];

    const getPackageInfo = function(i) {
      storage.getPackage({
        name: results[i].ref,
        uplinksLook: false,
        callback: (err, entry) => {
          if (!err && entry) {
            auth.allow_access({ packageName: entry.name }, req.remote_user, function(err, allowed) {
              if (err || !allowed) {
                return;
              }

              packages.push(entry.versions[entry[DIST_TAGS].latest]);
            });
          }

          if (i >= results.length - 1) {
            next(packages);
          } else {
            getPackageInfo(i + 1);
          }
        },
      });
    };

    if (results.length) {
      getPackageInfo(0);
    } else {
      next([]);
    }
  });
}

export default addSearchWebApi;