[PATCH] Add static brotli module

Eugene Kluchnikov eustas.ru at gmail.com
Thu Feb 23 19:03:07 UTC 2017


# HG changeset patch
# User Evgenii Kliuchnikov <eustas.ru at gmail.com>
# Date 1487764873 -3600
#      Wed Feb 22 13:01:13 2017 +0100
# Node ID c230f3874e060ccb14d7560233f2c70a910640a1
# Parent  87cf6ddb41c216876d13cffa5e637a61b159362c
Add brotli static serving support.

Both .gz and .br static content is served by
ngx_http_gzip_static_modile, but have separate configuration.

diff -r 87cf6ddb41c2 -r c230f3874e06 contrib/vim/syntax/nginx.vim
--- a/contrib/vim/syntax/nginx.vim Fri Feb 17 17:01:27 2017 +0300
+++ b/contrib/vim/syntax/nginx.vim Wed Feb 22 13:01:13 2017 +0100
@@ -86,6 +86,7 @@
 syn keyword ngxDirective autoindex
 syn keyword ngxDirective autoindex_exact_size
 syn keyword ngxDirective autoindex_localtime
+syn keyword ngxDirective brotli_static
 syn keyword ngxDirective charset
 syn keyword ngxDirective charset_types
 syn keyword ngxDirective chunked_transfer_encoding
diff -r 87cf6ddb41c2 -r c230f3874e06
src/http/modules/ngx_http_gzip_static_module.c
--- a/src/http/modules/ngx_http_gzip_static_module.c Fri Feb 17 17:01:27
2017 +0300
+++ b/src/http/modules/ngx_http_gzip_static_module.c Wed Feb 22 13:01:13
2017 +0100
@@ -16,10 +16,14 @@


 typedef struct {
-    ngx_uint_t  enable;
+    ngx_uint_t  enable_gzip;
+    ngx_uint_t  enable_brotli;
 } ngx_http_gzip_static_conf_t;


+static ngx_int_t ngx_http_gzip_static_serve_file(ngx_http_request_t *r,
+    ngx_uint_t enable, ngx_uint_t ok, ngx_http_core_loc_conf_t *clcf,
+    ngx_str_t *encoding);
 static ngx_int_t ngx_http_gzip_static_handler(ngx_http_request_t *r);
 static void *ngx_http_gzip_static_create_conf(ngx_conf_t *cf);
 static char *ngx_http_gzip_static_merge_conf(ngx_conf_t *cf, void *parent,
@@ -41,7 +45,14 @@

 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
       ngx_conf_set_enum_slot,
       NGX_HTTP_LOC_CONF_OFFSET,
-      offsetof(ngx_http_gzip_static_conf_t, enable),
+      offsetof(ngx_http_gzip_static_conf_t, enable_gzip),
+      &ngx_http_gzip_static },
+
+    { ngx_string("brotli_static"),
+
 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
+      ngx_conf_set_enum_slot,
+      NGX_HTTP_LOC_CONF_OFFSET,
+      offsetof(ngx_http_gzip_static_conf_t, enable_brotli),
       &ngx_http_gzip_static },

       ngx_null_command
@@ -79,19 +90,14 @@
 };


+static ngx_str_t  encoding_gzip = ngx_string("gzip");
+static ngx_str_t  encoding_brotli = ngx_string("br");
+
+
 static ngx_int_t
 ngx_http_gzip_static_handler(ngx_http_request_t *r)
 {
-    u_char                       *p;
-    size_t                        root;
-    ngx_str_t                     path;
     ngx_int_t                     rc;
-    ngx_uint_t                    level;
-    ngx_log_t                    *log;
-    ngx_buf_t                    *b;
-    ngx_chain_t                   out;
-    ngx_table_elt_t              *h;
-    ngx_open_file_info_t          of;
     ngx_http_core_loc_conf_t     *clcf;
     ngx_http_gzip_static_conf_t  *gzcf;

@@ -105,19 +111,56 @@

     gzcf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_static_module);

-    if (gzcf->enable == NGX_HTTP_GZIP_STATIC_OFF) {
+    if (gzcf->enable_gzip == NGX_HTTP_GZIP_STATIC_OFF &&
+        gzcf->enable_brotli == NGX_HTTP_GZIP_STATIC_OFF) {
         return NGX_DECLINED;
     }

-    if (gzcf->enable == NGX_HTTP_GZIP_STATIC_ON) {
-        rc = ngx_http_gzip_ok(r);
+    clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);

-    } else {
-        /* always */
-        rc = NGX_OK;
+    rc = NGX_DECLINED;
+    if (gzcf->enable_gzip != NGX_HTTP_GZIP_STATIC_OFF) {
+        if (gzcf->enable_gzip == NGX_HTTP_GZIP_STATIC_ON) {
+            rc = ngx_http_gzip_ok(r);
+        } else {
+            /* always */
+            rc = NGX_OK;
+        }
+        rc = ngx_http_gzip_static_serve_file(r, gzcf->enable_gzip, rc,
clcf,
+            &encoding_gzip);
     }

-    clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
+    if (gzcf->enable_brotli != NGX_HTTP_GZIP_STATIC_OFF && rc ==
NGX_DECLINED) {
+        if (gzcf->enable_gzip == NGX_HTTP_GZIP_STATIC_ON) {
+            rc = ngx_http_gzip_ok(r);
+        } else {
+            /* always */
+            rc = NGX_OK;
+        }
+        rc = ngx_http_gzip_static_serve_file(r, gzcf->enable_brotli, rc,
clcf,
+            &encoding_brotli);
+    }
+
+    return rc;
+}
+
+
+static ngx_int_t
+ngx_http_gzip_static_serve_file(ngx_http_request_t *r, ngx_uint_t enable,
+    ngx_uint_t ok, ngx_http_core_loc_conf_t *clcf, ngx_str_t *encoding)
+{
+    u_char               *p;
+    size_t                root;
+    ngx_str_t             path;
+    ngx_int_t             rc;
+    ngx_uint_t            level;
+    ngx_log_t            *log;
+    ngx_buf_t            *b;
+    ngx_chain_t           out;
+    ngx_table_elt_t      *h;
+    ngx_open_file_info_t  of;
+
+    rc = ok;

     if (!clcf->gzip_vary && rc != NGX_OK) {
         return NGX_DECLINED;
@@ -125,14 +168,14 @@

     log = r->connection->log;

-    p = ngx_http_map_uri_to_path(r, &path, &root, sizeof(".gz") - 1);
+    p = ngx_http_map_uri_to_path(r, &path, &root, 4 - 1);
     if (p == NULL) {
         return NGX_HTTP_INTERNAL_SERVER_ERROR;
     }

     *p++ = '.';
-    *p++ = 'g';
-    *p++ = 'z';
+    *p++ = encoding->data[0];
+    *p++ = encoding->data[1];
     *p = '\0';

     path.len = p - path.data;
@@ -188,7 +231,7 @@
         return NGX_DECLINED;
     }

-    if (gzcf->enable == NGX_HTTP_GZIP_STATIC_ON) {
+    if (enable == NGX_HTTP_GZIP_STATIC_ON) {
         r->gzip_vary = 1;

         if (rc != NGX_OK) {
@@ -243,7 +286,7 @@

     h->hash = 1;
     ngx_str_set(&h->key, "Content-Encoding");
-    ngx_str_set(&h->value, "gzip");
+    h->value = *encoding;
     r->headers_out.content_encoding = h;

     /* we need to allocate all before the header would be sent */
@@ -293,7 +336,8 @@
         return NULL;
     }

-    conf->enable = NGX_CONF_UNSET_UINT;
+    conf->enable_gzip = NGX_CONF_UNSET_UINT;
+    conf->enable_brotli = NGX_CONF_UNSET_UINT;

     return conf;
 }
@@ -305,7 +349,9 @@
     ngx_http_gzip_static_conf_t *prev = parent;
     ngx_http_gzip_static_conf_t *conf = child;

-    ngx_conf_merge_uint_value(conf->enable, prev->enable,
+    ngx_conf_merge_uint_value(conf->enable_gzip, prev->enable_gzip,
+                              NGX_HTTP_GZIP_STATIC_OFF);
+    ngx_conf_merge_uint_value(conf->enable_brotli, prev->enable_brotli,
                               NGX_HTTP_GZIP_STATIC_OFF);

     return NGX_CONF_OK;
diff -r 87cf6ddb41c2 -r c230f3874e06 src/http/ngx_http_core_module.c
--- a/src/http/ngx_http_core_module.c Fri Feb 17 17:01:27 2017 +0300
+++ b/src/http/ngx_http_core_module.c Wed Feb 22 13:01:13 2017 +0100
@@ -74,8 +74,8 @@
 static char *ngx_http_core_resolver(ngx_conf_t *cf, ngx_command_t *cmd,
     void *conf);
 #if (NGX_HTTP_GZIP)
-static ngx_int_t ngx_http_gzip_accept_encoding(ngx_str_t *ae);
-static ngx_uint_t ngx_http_gzip_quantity(u_char *p, u_char *last);
+static ngx_int_t ngx_http_accept_encoding(ngx_str_t *ae, char *e, size_t
n);
+static ngx_uint_t ngx_http_encoding_quantity(u_char *p, u_char *last);
 static char *ngx_http_gzip_disable(ngx_conf_t *cf, ngx_command_t *cmd,
     void *conf);
 #endif
@@ -2170,7 +2170,7 @@
      */

     if (ngx_memcmp(ae->value.data, "gzip,", 5) != 0
-        && ngx_http_gzip_accept_encoding(&ae->value) != NGX_OK)
+        && ngx_http_accept_encoding(&ae->value, "gzip", 4) != NGX_OK)
     {
         return NGX_DECLINED;
     }
@@ -2297,15 +2297,42 @@
 }


+ngx_int_t
+ngx_http_brotli_ok(ngx_http_request_t *r)
+{
+    ngx_table_elt_t  *ae;
+
+    if (r != r->main) {
+        return NGX_DECLINED;
+    }
+
+    ae = r->headers_in.accept_encoding;
+    if (ae == NULL) {
+        return NGX_DECLINED;
+    }
+
+    if (ae->value.len < sizeof("br") - 1) {
+        return NGX_DECLINED;
+    }
+
+    if (ngx_http_accept_encoding(&ae->value, "br", 2) != NGX_OK)
+    {
+        return NGX_DECLINED;
+    }
+
+    return NGX_OK;
+}
+
+
 /*
- * gzip is enabled for the following quantities:
+ * encoding is enabled for the following quantities:
  *     "gzip; q=0.001" ... "gzip; q=1.000"
- * gzip is disabled for the following quantities:
- *     "gzip; q=0" ... "gzip; q=0.000", and for any invalid cases
+ * encoding is disabled for the following quantities:
+ *     "br; q=0" ... "br; q=0.000", and for any invalid cases
  */

 static ngx_int_t
-ngx_http_gzip_accept_encoding(ngx_str_t *ae)
+ngx_http_accept_encoding(ngx_str_t *ae, char *e, size_t n)
 {
     u_char  *p, *start, *last;

@@ -2313,7 +2340,7 @@
     last = start + ae->len;

     for ( ;; ) {
-        p = ngx_strcasestrn(start, "gzip", 4 - 1);
+        p = ngx_strcasestrn(start, e, n - 1);
         if (p == NULL) {
             return NGX_DECLINED;
         }
@@ -2322,10 +2349,10 @@
             break;
         }

-        start = p + 4;
-    }
-
-    p += 4;
+        start = p + n;
+    }
+
+    p += n;

     while (p < last) {
         switch (*p++) {
@@ -2364,7 +2391,7 @@
         return NGX_DECLINED;
     }

-    if (ngx_http_gzip_quantity(p, last) == 0) {
+    if (ngx_http_encoding_quantity(p, last) == 0) {
         return NGX_DECLINED;
     }

@@ -2373,7 +2400,7 @@


 static ngx_uint_t
-ngx_http_gzip_quantity(u_char *p, u_char *last)
+ngx_http_encoding_quantity(u_char *p, u_char *last)
 {
     u_char      c;
     ngx_uint_t  n, q;
diff -r 87cf6ddb41c2 -r c230f3874e06 src/http/ngx_http_core_module.h
--- a/src/http/ngx_http_core_module.h Fri Feb 17 17:01:27 2017 +0300
+++ b/src/http/ngx_http_core_module.h Wed Feb 22 13:01:13 2017 +0100
@@ -504,6 +504,7 @@
 ngx_int_t ngx_http_auth_basic_user(ngx_http_request_t *r);
 #if (NGX_HTTP_GZIP)
 ngx_int_t ngx_http_gzip_ok(ngx_http_request_t *r);
+ngx_int_t ngx_http_brotli_ok(ngx_http_request_t *r);
 #endif





Fixed "Content-Encoding" value.

On 23 February 2017 at 13:11, Eugene Kluchnikov <eustas.ru at gmail.com> wrote:

> # HG changeset patch
> # User Evgenii Kliuchnikov <eustas.ru at gmail.com>
> # Date 1487764873 -3600
> #      Wed Feb 22 13:01:13 2017 +0100
> # Node ID 96939e63f30579f2f32e843d217bd46fa6086bb4
> # Parent  87cf6ddb41c216876d13cffa5e637a61b159362c
> Add brotli static serving support.
>
> Both .gz and .br static content is served by
> ngx_http_gzip_static_modile, but have separate configuration.
>
> diff -r 87cf6ddb41c2 -r 96939e63f305 contrib/vim/syntax/nginx.vim
> --- a/contrib/vim/syntax/nginx.vim Fri Feb 17 17:01:27 2017 +0300
> +++ b/contrib/vim/syntax/nginx.vim Wed Feb 22 13:01:13 2017 +0100
> @@ -86,6 +86,7 @@
>  syn keyword ngxDirective autoindex
>  syn keyword ngxDirective autoindex_exact_size
>  syn keyword ngxDirective autoindex_localtime
> +syn keyword ngxDirective brotli_static
>  syn keyword ngxDirective charset
>  syn keyword ngxDirective charset_types
>  syn keyword ngxDirective chunked_transfer_encoding
> diff -r 87cf6ddb41c2 -r 96939e63f305 src/http/modules/ngx_http_
> gzip_static_module.c
> --- a/src/http/modules/ngx_http_gzip_static_module.c Fri Feb 17 17:01:27
> 2017 +0300
> +++ b/src/http/modules/ngx_http_gzip_static_module.c Wed Feb 22 13:01:13
> 2017 +0100
> @@ -16,10 +16,14 @@
>
>
>  typedef struct {
> -    ngx_uint_t  enable;
> +    ngx_uint_t  enable_gzip;
> +    ngx_uint_t  enable_brotli;
>  } ngx_http_gzip_static_conf_t;
>
>
> +static ngx_int_t ngx_http_gzip_static_serve_file(ngx_http_request_t *r,
> +    ngx_uint_t enable, ngx_uint_t ok, ngx_http_core_loc_conf_t *clcf,
> +    ngx_str_t *encoding);
>  static ngx_int_t ngx_http_gzip_static_handler(ngx_http_request_t *r);
>  static void *ngx_http_gzip_static_create_conf(ngx_conf_t *cf);
>  static char *ngx_http_gzip_static_merge_conf(ngx_conf_t *cf, void
> *parent,
> @@ -41,7 +45,14 @@
>        NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|
> NGX_CONF_TAKE1,
>        ngx_conf_set_enum_slot,
>        NGX_HTTP_LOC_CONF_OFFSET,
> -      offsetof(ngx_http_gzip_static_conf_t, enable),
> +      offsetof(ngx_http_gzip_static_conf_t, enable_gzip),
> +      &ngx_http_gzip_static },
> +
> +    { ngx_string("brotli_static"),
> +      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|
> NGX_CONF_TAKE1,
> +      ngx_conf_set_enum_slot,
> +      NGX_HTTP_LOC_CONF_OFFSET,
> +      offsetof(ngx_http_gzip_static_conf_t, enable_brotli),
>        &ngx_http_gzip_static },
>
>        ngx_null_command
> @@ -79,19 +90,13 @@
>  };
>
>
> +static ngx_str_t    encoding_gzip = ngx_string("gzip");
> +static ngx_str_t    encoding_brotli = ngx_string("brotli");
> +
>  static ngx_int_t
>  ngx_http_gzip_static_handler(ngx_http_request_t *r)
>  {
> -    u_char                       *p;
> -    size_t                        root;
> -    ngx_str_t                     path;
>      ngx_int_t                     rc;
> -    ngx_uint_t                    level;
> -    ngx_log_t                    *log;
> -    ngx_buf_t                    *b;
> -    ngx_chain_t                   out;
> -    ngx_table_elt_t              *h;
> -    ngx_open_file_info_t          of;
>      ngx_http_core_loc_conf_t     *clcf;
>      ngx_http_gzip_static_conf_t  *gzcf;
>
> @@ -105,19 +110,56 @@
>
>      gzcf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_static_module);
>
> -    if (gzcf->enable == NGX_HTTP_GZIP_STATIC_OFF) {
> +    if (gzcf->enable_gzip == NGX_HTTP_GZIP_STATIC_OFF &&
> +        gzcf->enable_brotli == NGX_HTTP_GZIP_STATIC_OFF) {
>          return NGX_DECLINED;
>      }
>
> -    if (gzcf->enable == NGX_HTTP_GZIP_STATIC_ON) {
> -        rc = ngx_http_gzip_ok(r);
> +    clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
>
> -    } else {
> -        /* always */
> -        rc = NGX_OK;
> +    rc = NGX_DECLINED;
> +    if (gzcf->enable_gzip != NGX_HTTP_GZIP_STATIC_OFF) {
> +        if (gzcf->enable_gzip == NGX_HTTP_GZIP_STATIC_ON) {
> +            rc = ngx_http_gzip_ok(r);
> +        } else {
> +            /* always */
> +            rc = NGX_OK;
> +        }
> +        rc = ngx_http_gzip_static_serve_file(r, gzcf->enable_gzip, rc,
> clcf,
> +            &encoding_gzip);
>      }
>
> -    clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
> +    if (gzcf->enable_brotli != NGX_HTTP_GZIP_STATIC_OFF && rc ==
> NGX_DECLINED) {
> +        if (gzcf->enable_gzip == NGX_HTTP_GZIP_STATIC_ON) {
> +            rc = ngx_http_gzip_ok(r);
> +        } else {
> +            /* always */
> +            rc = NGX_OK;
> +        }
> +        rc = ngx_http_gzip_static_serve_file(r, gzcf->enable_brotli, rc,
> clcf,
> +            &encoding_brotli);
> +    }
> +
> +    return rc;
> +}
> +
> +
> +static ngx_int_t
> +ngx_http_gzip_static_serve_file(ngx_http_request_t *r, ngx_uint_t enable,
> +    ngx_uint_t ok, ngx_http_core_loc_conf_t *clcf, ngx_str_t *encoding)
> +{
> +    u_char               *p;
> +    size_t                root;
> +    ngx_str_t             path;
> +    ngx_int_t             rc;
> +    ngx_uint_t            level;
> +    ngx_log_t            *log;
> +    ngx_buf_t            *b;
> +    ngx_chain_t           out;
> +    ngx_table_elt_t      *h;
> +    ngx_open_file_info_t  of;
> +
> +    rc = ok;
>
>      if (!clcf->gzip_vary && rc != NGX_OK) {
>          return NGX_DECLINED;
> @@ -125,14 +167,14 @@
>
>      log = r->connection->log;
>
> -    p = ngx_http_map_uri_to_path(r, &path, &root, sizeof(".gz") - 1);
> +    p = ngx_http_map_uri_to_path(r, &path, &root, 4 - 1);
>      if (p == NULL) {
>          return NGX_HTTP_INTERNAL_SERVER_ERROR;
>      }
>
>      *p++ = '.';
> -    *p++ = 'g';
> -    *p++ = 'z';
> +    *p++ = encoding->data[0];
> +    *p++ = encoding->data[1];
>      *p = '\0';
>
>      path.len = p - path.data;
> @@ -188,7 +230,7 @@
>          return NGX_DECLINED;
>      }
>
> -    if (gzcf->enable == NGX_HTTP_GZIP_STATIC_ON) {
> +    if (enable == NGX_HTTP_GZIP_STATIC_ON) {
>          r->gzip_vary = 1;
>
>          if (rc != NGX_OK) {
> @@ -243,7 +285,7 @@
>
>      h->hash = 1;
>      ngx_str_set(&h->key, "Content-Encoding");
> -    ngx_str_set(&h->value, "gzip");
> +    h->value = *encoding;
>      r->headers_out.content_encoding = h;
>
>      /* we need to allocate all before the header would be sent */
> @@ -293,7 +335,8 @@
>          return NULL;
>      }
>
> -    conf->enable = NGX_CONF_UNSET_UINT;
> +    conf->enable_gzip = NGX_CONF_UNSET_UINT;
> +    conf->enable_brotli = NGX_CONF_UNSET_UINT;
>
>      return conf;
>  }
> @@ -305,7 +348,9 @@
>      ngx_http_gzip_static_conf_t *prev = parent;
>      ngx_http_gzip_static_conf_t *conf = child;
>
> -    ngx_conf_merge_uint_value(conf->enable, prev->enable,
> +    ngx_conf_merge_uint_value(conf->enable_gzip, prev->enable_gzip,
> +                              NGX_HTTP_GZIP_STATIC_OFF);
> +    ngx_conf_merge_uint_value(conf->enable_brotli, prev->enable_brotli,
>                                NGX_HTTP_GZIP_STATIC_OFF);
>
>      return NGX_CONF_OK;
> diff -r 87cf6ddb41c2 -r 96939e63f305 src/http/ngx_http_core_module.c
> --- a/src/http/ngx_http_core_module.c Fri Feb 17 17:01:27 2017 +0300
> +++ b/src/http/ngx_http_core_module.c Wed Feb 22 13:01:13 2017 +0100
> @@ -74,8 +74,8 @@
>  static char *ngx_http_core_resolver(ngx_conf_t *cf, ngx_command_t *cmd,
>      void *conf);
>  #if (NGX_HTTP_GZIP)
> -static ngx_int_t ngx_http_gzip_accept_encoding(ngx_str_t *ae);
> -static ngx_uint_t ngx_http_gzip_quantity(u_char *p, u_char *last);
> +static ngx_int_t ngx_http_accept_encoding(ngx_str_t *ae, char *e, size_t
> n);
> +static ngx_uint_t ngx_http_encoding_quantity(u_char *p, u_char *last);
>  static char *ngx_http_gzip_disable(ngx_conf_t *cf, ngx_command_t *cmd,
>      void *conf);
>  #endif
> @@ -2170,7 +2170,7 @@
>       */
>
>      if (ngx_memcmp(ae->value.data, "gzip,", 5) != 0
> -        && ngx_http_gzip_accept_encoding(&ae->value) != NGX_OK)
> +        && ngx_http_accept_encoding(&ae->value, "gzip", 4) != NGX_OK)
>      {
>          return NGX_DECLINED;
>      }
> @@ -2297,15 +2297,42 @@
>  }
>
>
> +ngx_int_t
> +ngx_http_brotli_ok(ngx_http_request_t *r)
> +{
> +    ngx_table_elt_t  *ae;
> +
> +    if (r != r->main) {
> +        return NGX_DECLINED;
> +    }
> +
> +    ae = r->headers_in.accept_encoding;
> +    if (ae == NULL) {
> +        return NGX_DECLINED;
> +    }
> +
> +    if (ae->value.len < sizeof("br") - 1) {
> +        return NGX_DECLINED;
> +    }
> +
> +    if (ngx_http_accept_encoding(&ae->value, "br", 2) != NGX_OK)
> +    {
> +        return NGX_DECLINED;
> +    }
> +
> +    return NGX_OK;
> +}
> +
> +
>  /*
> - * gzip is enabled for the following quantities:
> + * encoding is enabled for the following quantities:
>   *     "gzip; q=0.001" ... "gzip; q=1.000"
> - * gzip is disabled for the following quantities:
> - *     "gzip; q=0" ... "gzip; q=0.000", and for any invalid cases
> + * encoding is disabled for the following quantities:
> + *     "br; q=0" ... "br; q=0.000", and for any invalid cases
>   */
>
>  static ngx_int_t
> -ngx_http_gzip_accept_encoding(ngx_str_t *ae)
> +ngx_http_accept_encoding(ngx_str_t *ae, char *e, size_t n)
>  {
>      u_char  *p, *start, *last;
>
> @@ -2313,7 +2340,7 @@
>      last = start + ae->len;
>
>      for ( ;; ) {
> -        p = ngx_strcasestrn(start, "gzip", 4 - 1);
> +        p = ngx_strcasestrn(start, e, n - 1);
>          if (p == NULL) {
>              return NGX_DECLINED;
>          }
> @@ -2322,10 +2349,10 @@
>              break;
>          }
>
> -        start = p + 4;
> -    }
> -
> -    p += 4;
> +        start = p + n;
> +    }
> +
> +    p += n;
>
>      while (p < last) {
>          switch (*p++) {
> @@ -2364,7 +2391,7 @@
>          return NGX_DECLINED;
>      }
>
> -    if (ngx_http_gzip_quantity(p, last) == 0) {
> +    if (ngx_http_encoding_quantity(p, last) == 0) {
>          return NGX_DECLINED;
>      }
>
> @@ -2373,7 +2400,7 @@
>
>
>  static ngx_uint_t
> -ngx_http_gzip_quantity(u_char *p, u_char *last)
> +ngx_http_encoding_quantity(u_char *p, u_char *last)
>  {
>      u_char      c;
>      ngx_uint_t  n, q;
> diff -r 87cf6ddb41c2 -r 96939e63f305 src/http/ngx_http_core_module.h
> --- a/src/http/ngx_http_core_module.h Fri Feb 17 17:01:27 2017 +0300
> +++ b/src/http/ngx_http_core_module.h Wed Feb 22 13:01:13 2017 +0100
> @@ -504,6 +504,7 @@
>  ngx_int_t ngx_http_auth_basic_user(ngx_http_request_t *r);
>  #if (NGX_HTTP_GZIP)
>  ngx_int_t ngx_http_gzip_ok(ngx_http_request_t *r);
> +ngx_int_t ngx_http_brotli_ok(ngx_http_request_t *r);
>  #endif
>
>
>
>
>
>
> Take 2 - modify ngx_http_gzip_static_modile to serve both .gz and .br.
>
>
> On 22 February 2017 at 16:10, Eugene Kluchnikov <eustas.ru at gmail.com>
> wrote:
>
>> Yup. Going to try to create a "combined" module soon =)
>>
>> On 22 February 2017 at 15:40, Valentin V. Bartenev <vbart at nginx.com>
>> wrote:
>>>
>>> At the first glance, the differences are really small and
>>> such functionality can be combined in one module.
>>>
>>


-- 
С наилучшими пожеланиями, Евгений Ключников
WBR, Eugene Kluchnikov
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