nginx/src/http/modules/ngx_http_headers_filter_module.c

/*
 * Copyright (C) Igor Sysoev
 * Copyright (C) Nginx, Inc.
 */


#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_http.h>


ngx_http_header_val_t;

ngx_http_set_header_pt;


ngx_http_set_header_t;


struct ngx_http_header_val_s { … };


ngx_http_expires_t;


ngx_http_headers_conf_t;


static ngx_int_t ngx_http_set_expires(ngx_http_request_t *r,
    ngx_http_headers_conf_t *conf);
static ngx_int_t ngx_http_parse_expires(ngx_str_t *value,
    ngx_http_expires_t *expires, time_t *expires_time, char **err);
static ngx_int_t ngx_http_add_multi_header_lines(ngx_http_request_t *r,
    ngx_http_header_val_t *hv, ngx_str_t *value);
static ngx_int_t ngx_http_add_header(ngx_http_request_t *r,
    ngx_http_header_val_t *hv, ngx_str_t *value);
static ngx_int_t ngx_http_set_last_modified(ngx_http_request_t *r,
    ngx_http_header_val_t *hv, ngx_str_t *value);
static ngx_int_t ngx_http_set_response_header(ngx_http_request_t *r,
    ngx_http_header_val_t *hv, ngx_str_t *value);

static void *ngx_http_headers_create_conf(ngx_conf_t *cf);
static char *ngx_http_headers_merge_conf(ngx_conf_t *cf,
    void *parent, void *child);
static ngx_int_t ngx_http_headers_filter_init(ngx_conf_t *cf);
static char *ngx_http_headers_expires(ngx_conf_t *cf, ngx_command_t *cmd,
    void *conf);
static char *ngx_http_headers_add(ngx_conf_t *cf, ngx_command_t *cmd,
    void *conf);


static ngx_http_set_header_t  ngx_http_set_headers[] = …;


static ngx_command_t  ngx_http_headers_filter_commands[] = …;


static ngx_http_module_t  ngx_http_headers_filter_module_ctx = …;


ngx_module_t  ngx_http_headers_filter_module = …;


static ngx_http_output_header_filter_pt  ngx_http_next_header_filter;
static ngx_http_output_body_filter_pt    ngx_http_next_body_filter;


static ngx_int_t
ngx_http_headers_filter(ngx_http_request_t *r)
{ … }


static ngx_int_t
ngx_http_trailers_filter(ngx_http_request_t *r, ngx_chain_t *in)
{ … }


static ngx_int_t
ngx_http_set_expires(ngx_http_request_t *r, ngx_http_headers_conf_t *conf)
{ … }


static ngx_int_t
ngx_http_parse_expires(ngx_str_t *value, ngx_http_expires_t *expires,
    time_t *expires_time, char **err)
{ … }


static ngx_int_t
ngx_http_add_header(ngx_http_request_t *r, ngx_http_header_val_t *hv,
    ngx_str_t *value)
{ … }


static ngx_int_t
ngx_http_add_multi_header_lines(ngx_http_request_t *r,
    ngx_http_header_val_t *hv, ngx_str_t *value)
{ … }


static ngx_int_t
ngx_http_set_last_modified(ngx_http_request_t *r, ngx_http_header_val_t *hv,
    ngx_str_t *value)
{ … }


static ngx_int_t
ngx_http_set_response_header(ngx_http_request_t *r, ngx_http_header_val_t *hv,
    ngx_str_t *value)
{ … }


static void *
ngx_http_headers_create_conf(ngx_conf_t *cf)
{ … }


static char *
ngx_http_headers_merge_conf(ngx_conf_t *cf, void *parent, void *child)
{ … }


static ngx_int_t
ngx_http_headers_filter_init(ngx_conf_t *cf)
{ … }


static char *
ngx_http_headers_expires(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{ … }


static char *
ngx_http_headers_add(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{ … }