1 # DO NOT EDIT - This file is being maintained by Chef
3 upstream tile_cache_backend {
6 # Add the other caches to relieve pressure if local squid failing
7 # Balancer: round-robin
8 <% @caches.each do |cache| -%>
9 <% if cache[:hostname] != node[:hostname] -%>
10 <% if node[:tilecache][:tile_siblings].include? cache[:fqdn] -%>
11 <% cache.ipaddresses(:family => :inet, :role => :external).sort.each do |address| -%>
12 server <%= address %> backup; # Server <%= cache[:hostname] %>
21 # Geo Map of tile caches
24 <% @caches.each do |cache| -%>
25 <% cache.ipaddresses(:family => :inet, :role => :external).sort.each do |address| -%>
26 <%= address %> 1; # <%= cache[:hostname] %>
31 # Rates table based on current cookie value
32 map $cookie_qos_token $limit_rate_qos {
33 include /etc/nginx/conf.d/tile_qos_rates.map;
36 # Set-Cookie table based on current cookie value
37 map $cookie_qos_token $cookie_qos_token_set {
38 include /etc/nginx/conf.d/tile_qos_cookies.map;
41 map $http_user_agent $approved_scraper {
42 default 0; # Not approved
44 '~^Mozilla\/5\.0\ QGIS\/' 1; # QGIS
47 map $http_user_agent $denied_scraper {
48 default 0; # Not denied
49 '' 1; # No User-Agent Set
50 '~^Python\-urllib\/' 1; # Library Default
51 '~^python\-requests\/' 1; # Library Default
52 '~^node\-fetch\/' 1; # Library Default
53 '~^R$' 1; # Library Default
54 '~^Java\/' 1; # Library Default
55 '~^tiles$' 1; # Library Default
56 '~^Dalvik\/' 1; # Library Default
57 '~^runtastic' 1; # App
58 'Mozilla/4.0' 1; # Fake
59 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)' 1; # Fake
62 map $http_referer $denied_referer {
63 default 0; # Not denied
64 'http://www.openstreetmap.org/' 1; # Faked
65 'http://www.openstreetmap.org' 1; # Faked
66 'http://openstreetmap.org/' 1; # Faked
67 'http://openstreetmap.org' 1; # Faked
68 'http://www.osm.org/' 1; # Faked
69 'http://www.osm.org' 1; # Faked
70 'http://osm.org/' 1; # Faked
71 'http://osm.org' 1; # Faked
74 # Limit Cache-Control header to only approved User-Agents
75 map $http_user_agent $limit_http_cache_control {
76 default ''; # Unset Header
77 '~^Mozilla\/5\.0\ QGIS\/' ''; # Unset Header
78 '~^Mozilla\/5\.0\ ' $http_cache_control; # Pass Header
81 # Limit Pragma header to only approved User-Agents
82 map $http_user_agent $limit_http_pragma {
83 default ''; # Unset Header
84 '~^Mozilla\/5\.0\ QGIS\/' ''; # Unset Header
85 '~^Mozilla\/5\.0\ ' $http_pragma; # Pass Header
89 listen 443 ssl fastopen=2048 http2 default_server;
90 server_name localhost;
94 ssl_certificate /etc/ssl/certs/tile.openstreetmap.org.pem;
95 ssl_certificate_key /etc/ssl/private/tile.openstreetmap.org.key;
98 proxy_pass http://tile_cache_backend;
99 proxy_set_header X-Forwarded-For $remote_addr;
100 proxy_http_version 1.1;
101 proxy_set_header Connection '';
103 proxy_connect_timeout 5s;
105 # Preserve host header.
106 proxy_set_header Host $host;
107 # Do not pass cookies to backends.
108 proxy_set_header Cookie '';
109 # Do not pass Accept-Encoding to backends.
110 proxy_set_header Accept-Encoding '';
112 # Do not allow setting cookies from backends due to caching.
113 proxy_ignore_headers Set-Cookie;
114 proxy_hide_header Set-Cookie;
116 # Set a QoS cookie if none presented (uses nginx Map)
117 add_header Set-Cookie $cookie_qos_token_set;
118 <% if node[:ssl][:strict_transport_security] -%>
119 # Ensure Strict-Transport-Security header is removed from proxied server responses
120 proxy_hide_header Strict-Transport-Security;
123 add_header Strict-Transport-Security "<%= node[:ssl][:strict_transport_security] %>" always;
126 # QoS Traffic Rate see $limit_rate on http://nginx.org/en/docs/http/ngx_http_core_module.html
127 set $limit_rate $limit_rate_qos;
129 # Allow Higher Traffic Rate from Approved User-Agents which do not support cookies (uses nginx Map)
130 if ($approved_scraper) {
131 set $limit_rate 65536;
134 if ($denied_scraper) {
138 if ($denied_referer) {
143 # Strip any ?query parameters from urls
146 # Allow cache purging headers only from select User-Agents (uses nginx Map)
147 proxy_set_header Cache-Control $limit_http_cache_control;
148 proxy_set_header Pragma $limit_http_pragma;