secajs/src/middlewares/attachPublicKeyMiddleware.js

class AttachPublicKeyMiddlewareProvider {
  constructor({ sessionService }) {
    this.sessionService = sessionService;
  }

  provide() {
    return async (req, res, next) => {
      const publicKey = await this.sessionService.getPublicKeyRelatedToSession(
        req.cookies.sessionUuid
      );

      if (publicKey) {
        req.cookies.publicKey = publicKey;
      }
      next();
    };
  }
}

module.exports = AttachPublicKeyMiddlewareProvider;