verdaccio/build/api/middleware.js

A lightweight private npm proxy registry

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.serveFavicon = serveFavicon;
var _debug = _interopRequireDefault(require("debug"));
var _fs = _interopRequireDefault(require("fs"));
var _lodash = _interopRequireDefault(require("lodash"));
var _path = _interopRequireDefault(require("path"));
var _url = require("@verdaccio/url");
var _constants = require("../lib/constants");
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
const debug = (0, _debug.default)('verdaccio:middleware:favicon');
function serveFavicon(config) {
  return function (_req, res) {
    try {
      const logoConf = config?.web?.favicon;
      if (logoConf === '') {
        debug('favicon disabled');
        res.status(404);
      } else if (!_lodash.default.isEmpty(logoConf)) {
        debug('custom favicon');
        if ((0, _url.isURL)(logoConf, {
          require_host: true,
          require_valid_protocol: true
        })) {
          debug('redirect to %o', logoConf);
          res.redirect(logoConf);
          return;
        } else {
          const faviconPath = _path.default.normalize(logoConf);
          debug('serving favicon from %o', faviconPath);
          _fs.default.access(faviconPath, _fs.default.constants.R_OK, err => {
            if (err) {
              debug('no read permissions to read: %o, reason:', logoConf, err?.message);
              return res.status(_constants.HTTP_STATUS.NOT_FOUND).end();
            } else {
              res.setHeader('content-type', 'image/x-icon');
              _fs.default.createReadStream(faviconPath).pipe(res);
              debug('rendered custom ico');
            }
          });
        }
      } else {
        res.setHeader('content-type', 'image/x-icon');
        _fs.default.createReadStream(_path.default.posix.join(__dirname, './web/html/favicon.ico')).pipe(res);
        debug('rendered ico');
      }
    } catch (err) {
      debug('error triggered, favicon not found %s', err?.message);
      res.status(_constants.HTTP_STATUS.NOT_FOUND).end();
    }
  };
}
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