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#include <magi.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static char *scat(const char *a, const char *b)
{
int alen = a ? strlen(a) : 0;
int blen = b ? strlen(b) : 0;
char *res = malloc(alen + blen + 1);
memcpy(res, a, alen);
memcpy(res + alen, b, blen);
res[alen + blen] = 0;
return res;
}
static const char *determ(const char *langprefs)
{
int i;
const char *langs[] = { "en", "ru" };
const int langslen = 2;
const char *min = 0;
int minid = 0;
for (i = 0; i != langslen; ++i) {
const char *res = strstr(langprefs, langs[i]);
if (min == 0 || res < min) {
min = res;
minid = i;
}
}
return langs[minid];
}
static void response(struct magi_request *req)
{
struct magi_response res;
const char *lang = getenv("HTTP_ACCEPT_LANGUAGE");
char *a = scat(req->script, req->path);
char *b = scat(determ(lang), a);
free(a);
a = scat("/", b);
free(b);
b = scat(req->host, a);
free(a);
a = scat("https://", b);
free(b);
magi_response_init(&res);
magi_response_status(&res, 302, "Moved Temporarily");
magi_response_header(&res, "Location", a);
free(a);
magi_response_send(&res);
magi_response_free(&res);
}
int main()
{
struct magi_request request;
magi_request_init(&request);
if (magi_parse(&request)) {
response(&request);
} else {
magi_error_response(request.error);
}
magi_request_free(&request);
return 0;
}
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