From 83a5856627e77c4c79ab70ae7c1c363559f586ed Mon Sep 17 00:00:00 2001
From: r888888888 <r888888888@gmail.com>
Date: Mon, 13 Mar 2017 16:26:07 -0700
Subject: [PATCH] include cache proxy config for nginx

---
 script/install/nginx.danbooru.conf | 35 ++++++++++++++++++++++++++++--
 1 file changed, 33 insertions(+), 2 deletions(-)

diff --git a/script/install/nginx.danbooru.conf b/script/install/nginx.danbooru.conf
index 8050c8ad5..88317b657 100644
--- a/script/install/nginx.danbooru.conf
+++ b/script/install/nginx.danbooru.conf
@@ -1,3 +1,5 @@
+proxy_cache_path /tmp/nginx-cache levels=1:2 keys_zone=STATIC:100m max_size=1000m inactive=24h use_temp_path=off;
+
 server {
   listen 80;
   server_name __hostname__;
@@ -23,11 +25,40 @@ server {
     if ($invalid_referer) {
       return 403;
     }
-    rewrite ^/data/sample/--.+?--(.+) /data/sample/$1 last;
-    rewrite ^/data/--.+?--(.+) /data/$1 last;
+    rewrite ^/data/sample/__.+?__(.+) /data/sample/$1 last;
+    rewrite ^/data/__.+?__(.+) /data/$1 last;
     expires max;
     break;
   }
+
+  # to enable s3 proxy
+  location ~ ^/cached/data/(.+) {
+    rewrite ^/cached/data/sample/__.+?__(.+) /cached/data/sample/$1;
+    rewrite ^/cached/data/__.+?__(.+) /cached/data/$1;
+    if ($uri ~ "/cached/data/(.+)") {
+      set $s3_bucket 's3.amazonaws.com';
+      set $url_full $1;
+    }
+
+    proxy_set_header Host $s3_bucket;
+    proxy_set_header Authorization '';
+    proxy_hide_header x-amz-id-2;
+    proxy_hide_header x-amz-request-id;
+    proxy_hide_header Set-Cookie;
+
+    proxy_cache STATIC;
+    proxy_ignore_headers Set-Cookie Cache-Control X-Accel-Expires Expires;
+    proxy_cache_valid 200 48h;
+    proxy_cache_use_stale error timeout invalid_header updating http_500 http_5\
+02 http_503 http_504;
+    proxy_cache_key "$uri";
+    proxy_cache_min_uses 2;
+    add_header X-Cache-Status $upstream_cache_status;
+    proxy_pass https://$s3_bucket/BUCKET_NAME/$url_full;
+
+    break;
+  }
+
   location /maintenance.html {
     expires 10;
    }