#include <libowfat/stralloc.h>
#include <libowfat/errmsg.h>
#include <libowfat/open.h>
#include <libowfat/str.h>
#include <errno.h>

#include "nobotgate.h"

int check_token(char *tokenfile, stralloc *token)
{
  int fd;
  char buf[4096];
  buffer b;
  int r,found;
  stralloc line;
  fd = open_read(tokenfile);
  if (fd < 0)
    diesys(errno == ENOENT ? 100 : 111, "open_read ", tokenfile);
  buffer_init_read(&b, fd, buf, sizeof(buf));
  stralloc_init(&line);

  found = 0;
  for (;;) {
    r = buffer_getnewline_sa(&b, &line);
    if (r == 0) break;
    if (r < 0) diesys(111, "failed reading tokenfile ", tokenfile);
    stralloc_chomp(&line);
    stralloc_0(&line);
    line.s[str_chr(line.s, ' ')] = 0;
    if (stralloc_equals(token, line.s)) {
      found = 1;
      break;
    }
  }

  buffer_close(&b);
  stralloc_free(&line);
  return found;
}