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Re: DAV + regex + alias


  • To: nginx-ru@xxxxxxxxx
  • Subject: Re: DAV + regex + alias
  • From: Vadim Lazovskiy <vadim.lazovskiy@xxxxxxxxx>
  • Date: Tue, 29 Apr 2014 10:18:31 +0400
  • Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=u9WadkkGI58i+vsUmv5B8UbmZByJG7nUVgXuf2aveL0=; b=oR57DxhMMVQfLqS6ac8VW4Z5VDHEVWlfT9FlNYCzm6xV+HZp0F8SDAByWvvO1eNTCr fMFxuiYJvqDRPnPjxROHzH0XNLSQ4PizmNZZA9S7aQ7l0fYtD8dnOYUmC+rGoTJ8LTkE PQzf1WWlN6tWI9Ph8p9nz8yCf5BvrGuKRtwPk3iDlRV85JzfCxFDx5rDtCiXkp4aSZtx cXgqe640uoj576Pu7b2eulJsdb7ZaKKG0CpUhFiBNuBVuokDVJ639KgZ0vskkvzdDLn+ rfW0TAme+RdNVdUqFlGnoy8kU0XCECQvP/qkjdGc5bx2hIxQ0ua/zCm4MQ+HEprEM5Vz RILA==
  • In-reply-to: <20140428183125.GN34696@mdounin.ru>
  • References: <CAL-L5YCaExnfdA_BMzaLG8udsurpW0id=kqsLXTrQhBYdD411g@mail.gmail.com> <20140428183125.GN34696@mdounin.ru>

, .

location :

location /s/

...

location /s/private/ {
location ~ "^/s/private/(?<token>.*)/(?<expires>\d+)/(?<cam_id>\d{10})\.m3u8$" {
secure_link $token,$expires;
secure_link_md5 "...";

if ($secure_link = "") {
return 403;
}

if ($secure_link = "0") {
return 410;
}

fastcgi_pass 127.0.0.1:9000;
fastcgi_param SCRIPT_FILENAME $document_root/m3u8.php;
include fastcgi_params;

fastcgi_param QUERY_STRING id=$id&$args;
}
}
}


2014/04/29 09:56:08 [debug] 3630#0: *240 test location: ~ "^/s/private/(?<token>.*)/(?<expires>\d+)/(?<id>\d{10})\.m3u8$"
2014/04/29 09:56:08 [debug] 3630#0: *240 http regex set $id to "0000000977"
2014/04/29 09:56:08 [debug] 3630#0: *240 http regex set $expires to "1398801600"
2014/04/29 09:56:08 [debug] 3630#0: *240 http regex set $token to "XXXXXXXXXXXXXXXXXXXXX"
2014/04/29 09:56:08 [debug] 3630#0: *240 test location: ~ "^/s/private/(?<token>.*)/(?<expires>\d+)/(?<id>\d{10})\.m3u8$"
2014/04/29 09:56:08 [debug] 3630#0: *240 http regex set $id to "0000000977"
2014/04/29 09:56:08 [debug] 3630#0: *240 http regex set $expires to "1398801600"
2014/04/29 09:56:08 [debug] 3630#0: *240 http regex set $token to "XXXXXXXXXXXXXXXXXXXXX"
2014/04/29 09:56:08 [debug] 3630#0: *240 using configuration "*^/s/private/(?<token>.*)/(?<expires>\d+)/(?<id>\d{10})\.m3u8$"
2014/04/29 09:56:08 [debug] 3630#0: *240 http cl:-1 max:1048576
2014/04/29 09:56:08 [debug] 3630#0: *240 rewrite phase: 3
2014/04/29 09:56:08 [debug] 3630#0: *240 post rewrite phase: 4
2014/04/29 09:56:08 [debug] 3630#0: *240 generic phase: 5
2014/04/29 09:56:08 [debug] 3630#0: *240 generic phase: 6
2014/04/29 09:56:08 [debug] 3630#0: *240 generic phase: 7
2014/04/29 09:56:08 [debug] 3630#0: *240 access phase: 8
2014/04/29 09:56:08 [debug] 3630#0: *240 access phase: 9
2014/04/29 09:56:08 [debug] 3630#0: *240 access phase: 10
2014/04/29 09:56:08 [debug] 3630#0: *240 post access phase: 11
2014/04/29 09:56:08 [debug] 3630#0: *240 content phase: 12
2014/04/29 09:56:08 [debug] 3630#0: *240 content phase: 13
2014/04/29 09:56:08 [debug] 3630#0: *240 content phase: 14
2014/04/29 09:56:08 [debug] 3630#0: *240 content phase: 15
2014/04/29 09:56:08 [debug] 3630#0: *240 content phase: 16
2014/04/29 09:56:08 [debug] 3630#0: *240 content phase: 17
2014/04/29 09:56:08 [debug] 3630#0: *240 http filename: "/var/www/vhosts/s2.domain.example.com/s/private/XXXXXXXXXXXXXXXXXXXXX/1398801600/0000000977.m3u8"

.



2014-04-28 22:31 GMT+04:00 Maxim Dounin <mdounin@xxxxxxxxxx>:
Hello!

On Mon, Apr 28, 2014 at 01:22:08PM +0400, Vadim Lazovskiy wrote:

> . ?

regex location + alias + limit_except/if.
, if
http://wiki.nginx.org/IfIsEvil.

, , - :

# HG changeset patch
# User Maxim Dounin <mdounin@xxxxxxxxxx>
# Date 1398709755 -14400
# Mon Apr 28 22:29:15 2014 +0400
# Node ID cf4f92f40290c9d3b8a8fb8cf836d3ebd16224f5
# Parent 539635cb8e98063b116555bdfd0c5ccfbfa8f184
Fixed alias in regex locations with limit_except/if.

The ngx_http_map_uri_to_path() function uses clcf->regex to detect if
it's working within a location given by a regular _expression_. Its
behaviour was incorrect due to clcf->regex being false in implicit locations
created by if and limit_except. Fix is to preserve clcf->regex within
implicit locations.

diff --git a/src/http/modules/ngx_http_rewrite_module.c b/src/http/modules/ngx_http_rewrite_module.c
--- a/src/http/modules/ngx_http_rewrite_module.c
+++ b/src/http/modules/ngx_http_rewrite_module.c
@@ -583,6 +583,7 @@ ngx_http_rewrite_if(ngx_conf_t *cf, ngx_
clcf = ctx->loc_conf[ngx_http_core_module.ctx_index];
clcf->loc_conf = ctx->loc_conf;
clcf->name = pclcf->name;
+ clcf->regex = pclcf->regex;
clcf->noname = 1;

if (ngx_http_add_location(cf, &pclcf->locations, clcf) != NGX_OK) {
diff --git a/src/http/ngx_http_core_module.c b/src/http/ngx_http_core_module.c
--- a/src/http/ngx_http_core_module.c
+++ b/src/http/ngx_http_core_module.c
@@ -4597,6 +4597,7 @@ ngx_http_core_limit_except(ngx_conf_t *c
pclcf->limit_except_loc_conf = ctx->loc_conf;
clcf->loc_conf = ctx->loc_conf;
clcf->name = pclcf->name;
+ clcf->regex = pclcf->regex;
clcf->noname = 1;
clcf->lmt_excpt = 1;



--
Maxim Dounin
http://nginx.org/

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--
Best Regards,
Vadim Lazovskiy
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