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Gzip static: "always" parameter in "gzip_static" directive.

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With "always" gzip static returns gzipped content in all cases, without
checking if client supports it.  It is useful if there are no uncompressed
files on disk anyway.
This commit is contained in:
Maxim Dounin 2012-09-10 16:48:25 +00:00
parent 6ee44f4ef2
commit 2f9b38d001
1 changed files with 32 additions and 10 deletions
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42
src/http/modules/ngx_http_gzip_static_module.c
View file

@ -10,8 +10,13 @@
#include <ngx_http.h>
#define NGX_HTTP_GZIP_STATIC_OFF 0
#define NGX_HTTP_GZIP_STATIC_ON 1
#define NGX_HTTP_GZIP_STATIC_ALWAYS 2
typedef struct {
ngx_flag_t enable;
ngx_uint_t enable;
} ngx_http_gzip_static_conf_t;
@ -22,14 +27,22 @@ static char *ngx_http_gzip_static_merge_conf(ngx_conf_t *cf, void *parent,
static ngx_int_t ngx_http_gzip_static_init(ngx_conf_t *cf);
static ngx_conf_enum_t ngx_http_gzip_static[] = {
{ ngx_string("off"), NGX_HTTP_GZIP_STATIC_OFF },
{ ngx_string("on"), NGX_HTTP_GZIP_STATIC_ON },
{ ngx_string("always"), NGX_HTTP_GZIP_STATIC_ALWAYS },
{ ngx_null_string, 0 }
};
static ngx_command_t ngx_http_gzip_static_commands[] = {
{ ngx_string("gzip_static"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
ngx_conf_set_enum_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_gzip_static_conf_t, enable),
NULL },
&ngx_http_gzip_static },
ngx_null_command
};
@ -92,11 +105,17 @@ ngx_http_gzip_static_handler(ngx_http_request_t *r)
gzcf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_static_module);
if (!gzcf->enable) {
if (gzcf->enable == NGX_HTTP_GZIP_STATIC_OFF) {
return NGX_DECLINED;
}
rc = ngx_http_gzip_ok(r);
if (gzcf->enable == NGX_HTTP_GZIP_STATIC_ON) {
rc = ngx_http_gzip_ok(r);
} else {
/* always */
rc = NGX_OK;
}
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
@ -169,10 +188,12 @@ ngx_http_gzip_static_handler(ngx_http_request_t *r)
return NGX_DECLINED;
}
r->gzip_vary = 1;
if (gzcf->enable == NGX_HTTP_GZIP_STATIC_ON) {
r->gzip_vary = 1;
if (rc != NGX_OK) {
return NGX_DECLINED;
if (rc != NGX_OK) {
return NGX_DECLINED;
}
}
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, log, 0, "http static fd: %d", of.fd);
@ -274,7 +295,7 @@ ngx_http_gzip_static_create_conf(ngx_conf_t *cf)
return NULL;
}
conf->enable = NGX_CONF_UNSET;
conf->enable = NGX_CONF_UNSET_UINT;
return conf;
}
@ -286,7 +307,8 @@ ngx_http_gzip_static_merge_conf(ngx_conf_t *cf, void *parent, void *child)
ngx_http_gzip_static_conf_t *prev = parent;
ngx_http_gzip_static_conf_t *conf = child;
ngx_conf_merge_value(conf->enable, prev->enable, 0);
ngx_conf_merge_uint_value(conf->enable, prev->enable,
NGX_HTTP_GZIP_STATIC_OFF);
return NGX_CONF_OK;
}