bademscripten.cpp

#include <emscripten/bind.h>
#include <stdio.h>
#include <string.h>

using namespace emscripten;

int send_ajax_request(char *url, char *message) {
  printf("Calling ajax: %s %s\n", url, message);
  return 0;
}

int login_handler1(char *username, char *pwd) {
  printf("Logging in user (1): %s -- %s\n", username, pwd);
  return 0;
}

int login_handler2(char *username, char *pwd) {
  printf("Logging in user (2): %s -- %s\n", username, pwd);
  return 0;
}

struct sketchy_struct {
  char un[20];
  char pw[20];
  int (*lh)(char *a, char *b);
};


void run_handler(sketchy_struct &ss) {
  (ss.lh)(ss.un, ss.pw);
}


void sketchy(int fbuffer, int login_handler) {
  char *buffer = &((char *)0)[fbuffer];
  sketchy_struct ss;

  char topsecret[] = "This is a top secret token, hope no-one gets it";

  if (login_handler == 1) {
    ss.lh = login_handler1;
  } else {
    ss.lh = login_handler2;
  }

  memcpy(ss.un, buffer, strlen(buffer));
  memcpy(ss.pw, buffer + strlen(ss.un) + 1, strlen(buffer + strlen(ss.un) + 1));
  run_handler(ss);
}

EMSCRIPTEN_BINDINGS(my_module) {
    function("sketchy", &sketchy);
    function("send_ajax_request", &send_ajax_request, allow_raw_pointers());
}