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[njs] HTTP: improved getting of special response headers.

Dmitry Volyntsev
May 28, 2019 10:06AM
details: https://hg.nginx.org/njs/rev/f6234460852a
branches:
changeset: 987:f6234460852a
user: Dmitry Volyntsev <xeioex@nginx.com>
date: Tue May 28 15:57:35 2019 +0300
description:
HTTP: improved getting of special response headers.

diffstat:

nginx/ngx_http_js_module.c | 31 +++++++++++++++++++++++++++++++
1 files changed, 31 insertions(+), 0 deletions(-)

diffs (48 lines):

diff -r 4572a6e64bf1 -r f6234460852a nginx/ngx_http_js_module.c
--- a/nginx/ngx_http_js_module.c Thu May 23 17:39:22 2019 +0300
+++ b/nginx/ngx_http_js_module.c Tue May 28 15:57:35 2019 +0300
@@ -922,13 +922,44 @@ static njs_ret_t
ngx_http_js_ext_get_header_out(njs_vm_t *vm, njs_value_t *value, void *obj,
uintptr_t data)
{
+ u_char *p, *start;
nxt_str_t *v;
+ ngx_str_t *hdr;
ngx_table_elt_t *h;
ngx_http_request_t *r;
+ u_char content_len[NGX_OFF_T_LEN];

r = (ngx_http_request_t *) obj;
v = (nxt_str_t *) data;

+ if (v->length == nxt_length("Content-Type")
+ && ngx_strncasecmp(v->start, (u_char *) "Content-Type",
+ v->length) == 0)
+ {
+ hdr = &r->headers_out.content_type;
+ return njs_vm_value_string_set(vm, value, hdr->data, hdr->len);
+ }
+
+ if (v->length == nxt_length("Content-Length")
+ && ngx_strncasecmp(v->start, (u_char *) "Content-Length",
+ v->length) == 0)
+ {
+ if (r->headers_out.content_length == NULL
+ && r->headers_out.content_length_n >= 0)
+ {
+ p = ngx_sprintf(content_len, "%O", r->headers_out.content_length_n);
+
+ start = njs_vm_value_string_alloc(vm, value, p - content_len);
+ if (start == NULL) {
+ return NJS_ERROR;
+ }
+
+ ngx_memcpy(start, content_len, p - content_len);
+
+ return NJS_OK;
+ }
+ }
+
h = ngx_http_js_get_header(&r->headers_out.headers.part, v->start,
v->length);
if (h == NULL) {
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Subject Author Views Posted

[njs] HTTP: improved getting of special response headers.

Dmitry Volyntsev 153 May 28, 2019 10:06AM



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