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Added support for "429 Too Many Requests" response (RFC6585).

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This change adds reason phrase in status line and pretty response body
when "429" status code is used in "return", "limit_conn_status" and/or
"limit_req_status" directives.

Signed-off-by: Piotr Sikora <piotrsikora@google.com>
This commit is contained in:
Piotr Sikora 2017-03-24 02:48:03 -07:00
parent 9ac9fe2f3e
commit c3ce606652
3 changed files with 27 additions and 6 deletions
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14
src/http/ngx_http_header_filter_module.c
View File

@ -101,12 +101,16 @@ static ngx_str_t ngx_http_status_lines[] = {
ngx_null_string, /* "419 unused" */
ngx_null_string, /* "420 unused" */
ngx_string("421 Misdirected Request"),
ngx_null_string, /* "422 Unprocessable Entity" */
ngx_null_string, /* "423 Locked" */
ngx_null_string, /* "424 Failed Dependency" */
ngx_null_string, /* "425 unused" */
ngx_null_string, /* "426 Upgrade Required" */
ngx_null_string, /* "427 unused" */
ngx_null_string, /* "428 Precondition Required" */
ngx_string("429 Too Many Requests"),
/* ngx_null_string, */ /* "422 Unprocessable Entity" */
/* ngx_null_string, */ /* "423 Locked" */
/* ngx_null_string, */ /* "424 Failed Dependency" */
#define NGX_HTTP_LAST_4XX 422
#define NGX_HTTP_LAST_4XX 430
#define NGX_HTTP_OFF_5XX (NGX_HTTP_LAST_4XX - 400 + NGX_HTTP_OFF_4XX)
ngx_string("500 Internal Server Error"),

1
src/http/ngx_http_request.h
View File

@ -98,6 +98,7 @@
#define NGX_HTTP_UNSUPPORTED_MEDIA_TYPE 415
#define NGX_HTTP_RANGE_NOT_SATISFIABLE 416
#define NGX_HTTP_MISDIRECTED_REQUEST 421
#define NGX_HTTP_TOO_MANY_REQUESTS 429
/* Our own HTTP codes */

18
src/http/ngx_http_special_response.c
View File

@ -225,6 +225,14 @@ static char ngx_http_error_421_page[] =
;
static char ngx_http_error_429_page[] =
"<html>" CRLF
"<head><title>429 Too Many Requests</title></head>" CRLF
"<body bgcolor=\"white\">" CRLF
"<center><h1>429 Too Many Requests</h1></center>" CRLF
;
static char ngx_http_error_494_page[] =
"<html>" CRLF
"<head><title>400 Request Header Or Cookie Too Large</title></head>"
@ -354,8 +362,16 @@ static ngx_str_t ngx_http_error_pages[] = {
ngx_null_string, /* 419 */
ngx_null_string, /* 420 */
ngx_string(ngx_http_error_421_page),
ngx_null_string, /* 422 */
ngx_null_string, /* 423 */
ngx_null_string, /* 424 */
ngx_null_string, /* 425 */
ngx_null_string, /* 426 */
ngx_null_string, /* 427 */
ngx_null_string, /* 428 */
ngx_string(ngx_http_error_429_page),
#define NGX_HTTP_LAST_4XX 422
#define NGX_HTTP_LAST_4XX 430
#define NGX_HTTP_OFF_5XX (NGX_HTTP_LAST_4XX - 400 + NGX_HTTP_OFF_4XX)
ngx_string(ngx_http_error_494_page), /* 494, request header too large */