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__osm_totp_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__osm_totp_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 '~^runtastic' 1; # App
57 'Mozilla/4.0' 1; # Fake
58 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)' 1; # Fake
61 map $http_referer $denied_referer {
62 default 0; # Not denied
63 'http://www.openstreetmap.org/' 1; # Faked
64 'http://www.openstreetmap.org' 1; # Faked
65 'http://openstreetmap.org/' 1; # Faked
66 'http://openstreetmap.org' 1; # Faked
67 'http://www.osm.org/' 1; # Faked
68 'http://www.osm.org' 1; # Faked
69 'http://osm.org/' 1; # Faked
70 'http://osm.org' 1; # Faked
73 # Limit Cache-Control header to only approved User-Agents
74 map $http_user_agent $limit_http_cache_control {
75 default ''; # Unset Header
76 '~^Mozilla\/5\.0\ QGIS\/' ''; # Unset Header
77 '~^Mozilla\/5\.0\ ' $http_cache_control; # Pass Header
80 # Limit Pragma header to only approved User-Agents
81 map $http_user_agent $limit_http_pragma {
82 default ''; # Unset Header
83 '~^Mozilla\/5\.0\ QGIS\/' ''; # Unset Header
84 '~^Mozilla\/5\.0\ ' $http_pragma; # Pass Header
88 listen 443 ssl deferred backlog=16384 reuseport fastopen=2048 http2 default_server;
89 server_name localhost;
93 ssl_certificate /etc/ssl/certs/tile.openstreetmap.org.pem;
94 ssl_certificate_key /etc/ssl/private/tile.openstreetmap.org.key;
96 # Immediately 404 layers we do not support
97 <% for i in 20..99 do %>
104 # Immediately 404 silly tile requests
105 location = /0/0/-1.png {
109 location = /1/0/-1.png {
113 location = /1/-1/0.png {
117 location = /1/-1/1.png {
121 location = /1/-1/-1.png {
125 location = /1/-1/2.png {
129 location = /1/1/-1.png {
133 location = /1/2/-1.png {
137 location = /2/0/-1.png {
141 location = /2/-1/0.png {
145 location = /2/-1/1.png {
149 location = /2/1/-1.png {
153 location = /2/-1/2.png {
157 location = /2/-1/3.png {
163 proxy_pass http://tile_cache_backend;
164 proxy_set_header X-Forwarded-For $remote_addr;
165 proxy_http_version 1.1;
166 proxy_set_header Connection '';
168 proxy_connect_timeout 5s;
170 # Preserve host header.
171 proxy_set_header Host $host;
172 # Do not pass cookies to backends.
173 proxy_set_header Cookie '';
174 # Do not pass Accept-Encoding to backends.
175 proxy_set_header Accept-Encoding '';
177 # Do not allow setting cookies from backends due to caching.
178 proxy_ignore_headers Set-Cookie;
179 proxy_hide_header Set-Cookie;
181 # Set a QoS cookie if none presented (uses nginx Map)
182 add_header Set-Cookie $cookie_qos_token_set;
183 <% if node[:ssl][:strict_transport_security] -%>
184 # Ensure Strict-Transport-Security header is removed from proxied server responses
185 proxy_hide_header Strict-Transport-Security;
188 add_header Strict-Transport-Security "<%= node[:ssl][:strict_transport_security] %>" always;
191 # QoS Traffic Rate see $limit_rate on http://nginx.org/en/docs/http/ngx_http_core_module.html
192 set $limit_rate $limit_rate_qos;
194 # Allow Higher Traffic Rate from Approved User-Agents which do not support cookies (uses nginx Map)
195 if ($approved_scraper) {
196 set $limit_rate 65536;
199 if ($denied_scraper) {
203 if ($denied_referer) {
208 # Strip any ?query parameters from urls
211 # Allow cache purging headers only from select User-Agents (uses nginx Map)
212 proxy_set_header Cache-Control $limit_http_cache_control;
213 proxy_set_header Pragma $limit_http_pragma;