Reply.hpp

   1 #ifndef REPLY_DOT_HPP
   2 #define REPLY_DOT_HPP
   3
   4 #include <optional>
   5 #include <string>
   6 #include <string_view>
   7
   8 #include "fs.hpp"
   9
  10 // sender rewriting scheme complaint
  11
  12 class Reply {
  13 public:
  14   struct from_to {
  15     std::string mail_from;          // from
  16     std::string rcpt_to_local_part; // @our-domain.com
  17
  18     inline bool operator==(from_to const& rhs) const;
  19     inline bool empty() const;
  20     inline void clear();
  21   };
  22
  23   static std::string enc_reply(from_to const&   reply_info,
  24                                std::string_view secret);
  25
  26   static std::optional<from_to> dec_reply(std::string_view addr,
  27                                           std::string_view secret);
  28 };
  29
  30 inline bool Reply::from_to::operator==(from_to const& rhs) const
  31 {
  32   return (mail_from == rhs.mail_from) &&
  33          (rcpt_to_local_part == rhs.rcpt_to_local_part);
  34 }
  35
  36 inline bool Reply::from_to::empty() const
  37 {
  38   return mail_from.empty() && rcpt_to_local_part.empty();
  39 }
  40
  41 inline void Reply::from_to::clear()
  42 {
  43   mail_from.clear();
  44   rcpt_to_local_part.clear();
  45 }
  46
  47 #endif // REPLY_DOT_HPP