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HTTP: the Date response header.

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This commit is contained in:
Valentin Bartenev
2018-02-12 16:58:40 +03:00
parent dc50773e51
commit 9646772a00
4 changed files with 59 additions and 2 deletions
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54
src/nxt_http_request.c
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@@ -12,6 +12,9 @@ static void nxt_http_request_start(nxt_task_t *task, void *obj, void *data);
static void nxt_http_app_request(nxt_task_t *task, void *obj, void *data);
static void nxt_http_request_done(nxt_task_t *task, void *obj, void *data);
static u_char *nxt_http_date(u_char *buf, nxt_realtime_t *now, struct tm *tm,
size_t size, const char *format);
static const nxt_http_request_state_t nxt_http_request_init_state;
static const nxt_http_request_state_t nxt_http_request_body_state;
@@ -258,10 +261,19 @@ void
nxt_http_request_header_send(nxt_task_t *task, nxt_http_request_t *r)
{
u_char *p, *end;
nxt_http_field_t *server, *content_length;
nxt_http_field_t *server, *date, *content_length;
static nxt_time_string_t date_cache = {
(nxt_atomic_uint_t) -1,
nxt_http_date,
"%s, %02d %s %4d %02d:%02d:%02d GMT",
sizeof("Wed, 31 Dec 1986 16:40:00 GMT") - 1,
NXT_THREAD_TIME_GMT,
NXT_THREAD_TIME_SEC,
};
/*
* TODO: "Server" and "Content-Length" processing should be moved
* TODO: "Server", "Date", and "Content-Length" processing should be moved
* to the last header filter.
*/
@@ -272,6 +284,27 @@ nxt_http_request_header_send(nxt_task_t *task, nxt_http_request_t *r)
nxt_http_field_set(server, "Server", "unit/" NXT_VERSION);
if (r->resp.date == NULL) {
date = nxt_list_zero_add(r->resp.fields);
if (nxt_slow_path(date == NULL)) {
goto fail;
}
nxt_http_field_name_set(date, "Date");
p = nxt_mp_nget(r->mem_pool, date_cache.size);
if (nxt_slow_path(p == NULL)) {
goto fail;
}
(void) nxt_thread_time_string(task->thread, &date_cache, p);
date->value = p;
date->value_length = date_cache.size;
r->resp.date = date;
}
if (r->resp.content_length_n != -1
&& (r->resp.content_length == NULL || r->resp.content_length->skip))
{
@@ -389,3 +422,20 @@ nxt_http_request_close_handler(nxt_task_t *task, void *obj, void *data)
handler(task, proto);
}
}
static u_char *
nxt_http_date(u_char *buf, nxt_realtime_t *now, struct tm *tm, size_t size,
const char *format)
{
static const char *week[] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri",
"Sat" };
static const char *month[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
return nxt_sprintf(buf, buf + size, format,
week[tm->tm_wday], tm->tm_mday,
month[tm->tm_mon], tm->tm_year + 1900,
tm->tm_hour, tm->tm_min, tm->tm_sec);
}