1 # DO NOT EDIT - This file is being maintained by Chef
3 upstream tile_cache_backend {
7 # Add the other caches to relieve pressure if local squid failing
8 # Balancer: round-robin
9 <% @caches.each do |cache| -%>
10 <% if cache[:hostname] != node[:hostname] -%>
11 <% cache.ipaddresses(:family => :inet, :role => :external).sort.each do |address| -%>
12 server <%= address %>:80 backup; # Server <%= cache[:hostname] %>
18 keepalive_requests 1024;
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 map $http_referer $osm_referer {
75 '~^https:\/\/www\.openstreetmap\.org\/' 'osm'; # True
78 # Limit Cache-Control header to only approved User-Agents
79 map $osm_referer$http_user_agent $limit_http_cache_control {
80 default ''; # Unset Header
81 '~^osmMozilla\/5\.0\ QGIS\/' ''; # Unset Header
82 '~^osmMozilla\/5\.0\ ' $http_cache_control; # Pass Header
85 # Limit Pragma header to only approved User-Agents
86 map $osm_referer$http_user_agent $limit_http_pragma {
87 default ''; # Unset Header
88 '~^osmMozilla\/5\.0\ QGIS\/' ''; # Unset Header
89 '~^osmMozilla\/5\.0\ ' $http_pragma; # Pass Header
93 listen 443 ssl deferred backlog=16384 reuseport fastopen=2048 http2 default_server;
94 server_name localhost;
98 ssl_certificate /etc/ssl/certs/tile.openstreetmap.org.pem;
99 ssl_certificate_key /etc/ssl/private/tile.openstreetmap.org.key;
101 # Requests sent within early data are subject to replay attacks.
102 # See: http://nginx.org/en/docs/http/ngx_http_ssl_module.html#ssl_early_data
105 # Immediately 404 layers we do not support
106 <% for i in 20..99 do %>
107 location /<%= i %>/ {
113 # Immediately 404 silly tile requests
114 location = /0/0/-1.png {
118 location = /1/0/-1.png {
122 location = /1/-1/0.png {
126 location = /1/-1/1.png {
130 location = /1/-1/-1.png {
134 location = /1/-1/2.png {
138 location = /1/1/-1.png {
142 location = /1/2/-1.png {
146 location = /2/0/-1.png {
150 location = /2/-1/0.png {
154 location = /2/-1/1.png {
158 location = /2/1/-1.png {
162 location = /2/-1/2.png {
166 location = /2/-1/3.png {
171 <% for i in 0..14 do %>
173 # Default Fallback Location Handler (lowest)
176 # Dedicated zoom handler for caching
177 location /<%= i %>/ {
179 # Only allow GET / HEAD / OPTIONS (CORS) requests
180 limit_except GET HEAD OPTIONS {
184 proxy_pass http://tile_cache_backend;
185 proxy_set_header X-Forwarded-For $remote_addr;
186 proxy_http_version 1.1;
187 proxy_set_header Connection '';
189 proxy_connect_timeout 10s;
191 # Replace host header.
192 proxy_set_header Host 'tile.openstreetmap.org';
193 # Do not pass cookies to backends.
194 proxy_set_header Cookie '';
195 # Do not pass Accept-Encoding to backends.
196 proxy_set_header Accept-Encoding '';
197 # Do not pass Accept to backends.
198 proxy_set_header Accept '';
199 # Do not pass Accept-Language to backends as unused.
200 proxy_set_header Accept-Language '';
201 proxy_set_header Accept-Charset '';
202 # Do not send origin, we allow all.
203 proxy_set_header origin '';
204 # Do not pass invalid headers to backend.
205 proxy_set_header X-Forwarded-Host '';
206 proxy_set_header X-Host '';
207 proxy_set_header Authorization '';
208 proxy_set_header Proxy-Authorization '';
210 # Drop partial requests
211 proxy_set_header range '';
213 # Do not allow setting cookies from backends due to caching.
214 proxy_ignore_headers Set-Cookie;
215 proxy_hide_header Set-Cookie;
219 proxy_cache "proxy_cache_zone";
221 proxy_cache_valid 200 1d;
222 proxy_cache_valid 404 15m;
223 # Serve stale cache on errors or if updating
224 proxy_cache_use_stale error timeout updating http_500 http_503 http_504;
225 # If in cache as stale, serve stale and update in background
226 proxy_cache_background_update on;
227 proxy_cache_min_uses 8;
229 add_header X-Nginx-Cache-Status $upstream_cache_status;
232 # Set a QoS cookie if none presented (uses nginx Map)
233 add_header Set-Cookie $cookie_qos_token_set;
234 <% if node[:ssl][:strict_transport_security] -%>
235 # Ensure Strict-Transport-Security header is removed from proxied server responses
236 proxy_hide_header Strict-Transport-Security;
239 add_header Strict-Transport-Security "<%= node[:ssl][:strict_transport_security] %>" always;
242 # QoS Traffic Rate see $limit_rate on http://nginx.org/en/docs/http/ngx_http_core_module.html
243 set $limit_rate $limit_rate_qos;
245 # Allow Higher Traffic Rate from Approved User-Agents which do not support cookies (uses nginx Map)
246 if ($approved_scraper) {
247 set $limit_rate 65536;
250 if ($denied_scraper) {
254 if ($denied_referer) {
259 # Strip any ?query parameters from urls
262 # Allow cache purging headers only from select User-Agents (uses nginx Map)
263 proxy_set_header Cache-Control $limit_http_cache_control;
264 proxy_set_header Pragma $limit_http_pragma;