X-Git-Url: https://git.openstreetmap.org/chef.git/blobdiff_plain/1aca4d24e609b234bdf9ad4708611d79700c390d..db079c5b812a1cab38f2c7707a9d1c842fe71bd4:/cookbooks/tilecache/templates/default/nginx_tile.conf.erb

diff --git a/cookbooks/tilecache/templates/default/nginx_tile.conf.erb b/cookbooks/tilecache/templates/default/nginx_tile.conf.erb
index c1f9956c9..eb7cb6771 100644
--- a/cookbooks/tilecache/templates/default/nginx_tile.conf.erb
+++ b/cookbooks/tilecache/templates/default/nginx_tile.conf.erb
@@ -2,6 +2,8 @@
 
 upstream tile_cache_backend {
   server 127.0.0.1;
+  server 127.0.0.2;
+  server 127.0.0.3;
 
   # Add the other caches to relieve pressure if local squid failing
   # Balancer: round-robin
@@ -15,7 +17,7 @@ upstream tile_cache_backend {
 <% end -%>
 <% end -%>
 
-  keepalive 1024;
+  keepalive 512;
   keepalive_requests 1024;
 }
 
@@ -71,18 +73,23 @@ map $http_referer $denied_referer {
   'http://osm.org'                 1; # Faked
 }
 
+map $http_referer $osm_referer {
+  default                                 '';    # False
+  '~^https:\/\/www\.openstreetmap\.org\/' 'osm'; # True
+}
+
 # Limit Cache-Control header to only approved User-Agents
-map $http_user_agent $limit_http_cache_control {
-  default '';                              # Unset Header
-  '~^Mozilla\/5\.0\ QGIS\/' '';            # Unset Header
-  '~^Mozilla\/5\.0\ ' $http_cache_control; # Pass Header
+map $osm_referer$http_user_agent $limit_http_cache_control {
+  default '';                                # Unset Header
+  '~^osmMozilla\/5\.0\ QGIS\/' '';            # Unset Header
+  '~^osmMozilla\/5\.0\ ' $http_cache_control; # Pass Header
 }
 
 # Limit Pragma header to only approved User-Agents
-map $http_user_agent $limit_http_pragma {
-  default '';                       # Unset Header
-  '~^Mozilla\/5\.0\ QGIS\/' '';     # Unset Header
-  '~^Mozilla\/5\.0\ ' $http_pragma; # Pass Header
+map $osm_referer$http_user_agent $limit_http_pragma {
+  default '';                          # Unset Header
+  '~^osmMozilla\/5\.0\ QGIS\/' '';     # Unset Header
+  '~^osmMozilla\/5\.0\ ' $http_pragma; # Pass Header
 }
 
 server {
@@ -164,7 +171,7 @@ server {
       return 404;
     }
 
-<% for i in 0..13 do %>
+<% for i in 0..14 do %>
 <% if i == 0 -%>
     # Default Fallback Location Handler (lowest)
     location / {
@@ -172,19 +179,39 @@ server {
     # Dedicated zoom handler for caching
     location /<%= i %>/ {
 <% end %>
+      # Only allow GET / HEAD / OPTIONS (CORS) requests
+      limit_except GET HEAD OPTIONS {
+        deny all;
+      }
+
       proxy_pass http://tile_cache_backend;
       proxy_set_header X-Forwarded-For $remote_addr;
       proxy_http_version 1.1;
       proxy_set_header Connection '';
 
-      proxy_connect_timeout 5s;
+      proxy_connect_timeout 10s;
 
-      # Preserve host header.
-      proxy_set_header Host $host;
+      # Replace host header.
+      proxy_set_header Host 'tile.openstreetmap.org';
       # Do not pass cookies to backends.
       proxy_set_header Cookie '';
       # Do not pass Accept-Encoding to backends.
       proxy_set_header Accept-Encoding '';
+      # Do not pass Accept to backends.
+      proxy_set_header Accept '';
+      # Do not pass Accept-Language to backends as unused.
+      proxy_set_header Accept-Language '';
+      proxy_set_header Accept-Charset '';
+      # Do not send origin, we allow all.
+      proxy_set_header origin '';
+      # Do not pass invalid headers to backend.
+      proxy_set_header X-Forwarded-Host '';
+      proxy_set_header X-Host '';
+      proxy_set_header Authorization '';
+      proxy_set_header Proxy-Authorization '';
+
+      # Drop partial requests
+      proxy_set_header range '';
 
       # Do not allow setting cookies from backends due to caching.
       proxy_ignore_headers Set-Cookie;