mirror of
https://codeberg.org/grunfink/snac2.git
synced 2024-12-26 17:23:38 +00:00
125 lines
3 KiB
C
125 lines
3 KiB
C
/* copyright (c) 2022 - 2024 grunfink et al. / MIT license */
|
|
|
|
#ifndef _XS_HTTPD_H
|
|
|
|
#define _XS_HTTPD_H
|
|
|
|
xs_dict *xs_httpd_request(FILE *f, xs_str **payload, int *p_size);
|
|
void xs_httpd_response(FILE *f, int status, xs_dict *headers, xs_str *body, int b_size);
|
|
|
|
|
|
#ifdef XS_IMPLEMENTATION
|
|
|
|
xs_dict *xs_httpd_request(FILE *f, xs_str **payload, int *p_size)
|
|
/* processes an httpd connection */
|
|
{
|
|
xs *q_vars = NULL;
|
|
xs *p_vars = NULL;
|
|
xs *l1, *l2;
|
|
const char *v;
|
|
|
|
xs_socket_timeout(fileno(f), 2.0, 0.0);
|
|
|
|
/* read the first line and split it */
|
|
l1 = xs_strip_i(xs_readline(f));
|
|
l2 = xs_split(l1, " ");
|
|
|
|
if (xs_list_len(l2) != 3) {
|
|
/* error or timeout */
|
|
return NULL;
|
|
}
|
|
|
|
xs_dict *req = xs_dict_new();
|
|
|
|
req = xs_dict_append(req, "method", xs_list_get(l2, 0));
|
|
req = xs_dict_append(req, "proto", xs_list_get(l2, 2));
|
|
|
|
{
|
|
/* split the path with its optional variables */
|
|
xs *udp = xs_url_dec(xs_list_get(l2, 1));
|
|
xs *pnv = xs_split_n(udp, "?", 1);
|
|
|
|
/* store the path */
|
|
req = xs_dict_append(req, "path", xs_list_get(pnv, 0));
|
|
|
|
/* get the variables */
|
|
q_vars = xs_url_vars(xs_list_get(pnv, 1));
|
|
}
|
|
|
|
/* read the headers */
|
|
for (;;) {
|
|
xs *l, *p = NULL;
|
|
|
|
l = xs_strip_i(xs_readline(f));
|
|
|
|
/* done with the header? */
|
|
if (strcmp(l, "") == 0)
|
|
break;
|
|
|
|
/* split header and content */
|
|
p = xs_split_n(l, ": ", 1);
|
|
|
|
if (xs_list_len(p) == 2)
|
|
req = xs_dict_append(req, xs_tolower_i(
|
|
(xs_str *)xs_list_get(p, 0)), xs_list_get(p, 1));
|
|
}
|
|
|
|
xs_socket_timeout(fileno(f), 5.0, 0.0);
|
|
|
|
if ((v = xs_dict_get(req, "content-length")) != NULL) {
|
|
/* if it has a payload, load it */
|
|
*p_size = atoi(v);
|
|
*payload = xs_read(f, p_size);
|
|
}
|
|
|
|
v = xs_dict_get(req, "content-type");
|
|
|
|
if (*payload && v && strcmp(v, "application/x-www-form-urlencoded") == 0) {
|
|
xs *upl = xs_url_dec(*payload);
|
|
p_vars = xs_url_vars(upl);
|
|
}
|
|
else
|
|
if (*payload && v && xs_startswith(v, "multipart/form-data")) {
|
|
p_vars = xs_multipart_form_data(*payload, *p_size, v);
|
|
}
|
|
else
|
|
p_vars = xs_dict_new();
|
|
|
|
req = xs_dict_append(req, "q_vars", q_vars);
|
|
req = xs_dict_append(req, "p_vars", p_vars);
|
|
|
|
if (errno)
|
|
req = xs_free(req);
|
|
|
|
return req;
|
|
}
|
|
|
|
|
|
void xs_httpd_response(FILE *f, int status, xs_dict *headers, xs_str *body, int b_size)
|
|
/* sends an httpd response */
|
|
{
|
|
xs *proto;
|
|
const xs_str *k;
|
|
const xs_val *v;
|
|
|
|
proto = xs_fmt("HTTP/1.1 %d %s", status, status / 100 == 2 ? "OK" : "ERROR");
|
|
fprintf(f, "%s\r\n", proto);
|
|
|
|
int c = 0;
|
|
while (xs_dict_next(headers, &k, &v, &c)) {
|
|
fprintf(f, "%s: %s\r\n", k, v);
|
|
}
|
|
|
|
if (b_size != 0)
|
|
fprintf(f, "content-length: %d\r\n", b_size);
|
|
|
|
fprintf(f, "\r\n");
|
|
|
|
if (body != NULL && b_size != 0)
|
|
fwrite(body, b_size, 1, f);
|
|
}
|
|
|
|
|
|
#endif /* XS_IMPLEMENTATION */
|
|
|
|
#endif /* XS_HTTPD_H */
|