Send-test.cpp

   1 #include "Send.hpp"
   2
   3 #include "Now.hpp"
   4 #include "Pill.hpp"
   5 #include "osutil.hpp"
   6
   7 #include <fmt/format.h>
   8 #include <fmt/ostream.h>
   9
  10 using namespace std::string_literals;
  11
  12 int main(int argc, char* argv[])
  13 {
  14   std::ios::sync_with_stdio(false);
  15   google::ParseCommandLineFlags(&argc, &argv, true);
  16
  17   auto server_identity = [] {
  18     auto const id_from_env{getenv("GHSMTP_SERVER_ID")};
  19     if (id_from_env)
  20       return std::string{id_from_env};
  21
  22     auto const hostname{osutil::get_hostname()};
  23     if (hostname.find('.') != std::string::npos)
  24       return hostname;
  25
  26     LOG(FATAL) << "can't determine my server ID, set GHSMTP_SERVER_ID maybe";
  27     return "(none)"s;
  28   }();
  29
  30   auto const dom_from{Domain(server_identity)};
  31   auto const dom_to{Domain(server_identity)};
  32
  33   auto const config_path = osutil::get_config_dir();
  34
  35   auto snd{Send(config_path, "smtp-test")};
  36   snd.set_sender(Domain(server_identity));
  37
  38   Mailbox from("gene", dom_from);
  39   // Mailbox to("forward", dom_to);
  40   Mailbox to("anything", dom_to);
  41
  42   auto const date{Now{}};
  43   auto const pill{Pill{}};
  44   auto const mid_str = fmt::format("<{}.{}@{}>", date.sec(),
  45                                    pill.as_string_view(), server_identity);
  46
  47   fmt::memory_buffer bfr;
  48   fmt::format_to(std::back_inserter(bfr), "Message-ID: {}\r\n",
  49                  mid_str.c_str());
  50   fmt::format_to(std::back_inserter(bfr), "From: \"Gene Hightower\" <{}>\r\n",
  51                  from.as_string(Mailbox::domain_encoding::utf8));
  52   fmt::format_to(std::back_inserter(bfr), "To: \"Gene Hightower\" <{}>\r\n",
  53                  to.as_string(Mailbox::domain_encoding::utf8));
  54   fmt::format_to(std::back_inserter(bfr),
  55                  "Subject: Testing, one, two, three.\r\n");
  56   fmt::format_to(std::back_inserter(bfr), "Date: {}\r\n", date.c_str());
  57   fmt::format_to(std::back_inserter(bfr),
  58                  "Authentication-Results: {}; none\r\n", server_identity);
  59   fmt::format_to(std::back_inserter(bfr), "MIME-Version: 1.0\r\n");
  60   fmt::format_to(std::back_inserter(bfr),
  61                  "Content-Type: text/plain; charset=utf-8\r\n");
  62
  63   fmt::format_to(std::back_inserter(bfr), "\r\n");
  64
  65   fmt::format_to(std::back_inserter(bfr), "This is the body of the email.\r\n");
  66   auto const msg_str = fmt::to_string(bfr);
  67
  68   auto res{DNS::Resolver{config_path}};
  69
  70   std::string err;
  71   CHECK(snd.mail_from_rcpt_to(res, from, to, err));
  72   CHECK(snd.send(msg_str));
  73   snd.quit();
  74 }