HTTP/3: generate Location response header for absolute redirects.

This commit is contained in:
Roman Arutyunyan 2020-07-23 12:31:40 +03:00
parent 459fd8e589
commit 0676bed5c6

View file

@ -14,6 +14,7 @@
#define NGX_HTTP_V3_HEADER_CONTENT_LENGTH_ZERO 4
#define NGX_HTTP_V3_HEADER_DATE 6
#define NGX_HTTP_V3_HEADER_LAST_MODIFIED 10
#define NGX_HTTP_V3_HEADER_LOCATION 12
#define NGX_HTTP_V3_HEADER_STATUS_200 25
#define NGX_HTTP_V3_HEADER_CONTENT_TYPE_TEXT_PLAIN 53
#define NGX_HTTP_V3_HEADER_VARY_ACCEPT_ENCODING 59
@ -426,12 +427,15 @@ ngx_http_v3_create_header(ngx_http_request_t *r)
u_char *p;
size_t len, n;
ngx_buf_t *b;
ngx_uint_t i;
ngx_str_t host;
ngx_uint_t i, port;
ngx_chain_t *hl, *cl, *bl;
ngx_list_part_t *part;
ngx_table_elt_t *header;
ngx_connection_t *c;
ngx_http_core_loc_conf_t *clcf;
ngx_http_core_srv_conf_t *cscf;
u_char addr[NGX_SOCKADDR_STRLEN];
c = r->connection;
@ -506,7 +510,52 @@ ngx_http_v3_create_header(ngx_http_request_t *r)
sizeof("Mon, 28 Sep 1970 06:00:00 GMT") - 1);
}
/* XXX location */
if (r->headers_out.location
&& r->headers_out.location->value.len
&& r->headers_out.location->value.data[0] == '/'
&& clcf->absolute_redirect)
{
r->headers_out.location->hash = 0;
if (clcf->server_name_in_redirect) {
cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
host = cscf->server_name;
} else if (r->headers_in.server.len) {
host = r->headers_in.server;
} else {
host.len = NGX_SOCKADDR_STRLEN;
host.data = addr;
if (ngx_connection_local_sockaddr(c, &host, 0) != NGX_OK) {
return NULL;
}
}
port = ngx_inet_get_port(c->local_sockaddr);
n = sizeof("https://") - 1 + host.len
+ r->headers_out.location->value.len;
if (clcf->port_in_redirect) {
port = (port == 443) ? 0 : port;
} else {
port = 0;
}
if (port) {
n += sizeof(":65535") - 1;
}
len += ngx_http_v3_encode_header_lri(NULL, 0,
NGX_HTTP_V3_HEADER_LOCATION, NULL, n);
} else {
ngx_str_null(&host);
port = 0;
}
#if (NGX_HTTP_GZIP)
if (r->gzip_vary) {
@ -650,6 +699,36 @@ ngx_http_v3_create_header(ngx_http_request_t *r)
b->last = ngx_http_time(b->last, r->headers_out.last_modified_time);
}
if (host.data) {
n = sizeof("https://") - 1 + host.len
+ r->headers_out.location->value.len;
if (port) {
n += ngx_sprintf(b->last, ":%ui", port) - b->last;
}
b->last = (u_char *) ngx_http_v3_encode_header_lri(b->last, 0,
NGX_HTTP_V3_HEADER_LOCATION,
NULL, n);
p = b->last;
b->last = ngx_cpymem(b->last, "https://", sizeof("https://") - 1);
b->last = ngx_cpymem(b->last, host.data, host.len);
if (port) {
b->last = ngx_sprintf(b->last, ":%ui", port);
}
b->last = ngx_cpymem(b->last, r->headers_out.location->value.data,
r->headers_out.location->value.len);
/* update r->headers_out.location->value for possible logging */
r->headers_out.location->value.len = b->last - p;
r->headers_out.location->value.data = p;
ngx_str_set(&r->headers_out.location->key, "Location");
}
#if (NGX_HTTP_GZIP)
if (r->gzip_vary) {
b->last = (u_char *) ngx_http_v3_encode_header_ri(b->last, 0,