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
94 listen 80 deferred backlog=16384 reuseport fastopen=2048 default_server;
95 listen 443 ssl deferred backlog=16384 reuseport fastopen=2048 http2 default_server;
97 listen [::]:80 deferred backlog=16384 reuseport fastopen=2048 default_server;
98 listen [::]:443 ssl deferred backlog=16384 reuseport fastopen=2048 http2 default_server;
99 server_name localhost;
102 proxy_busy_buffers_size 64k;
104 ssl_certificate /etc/ssl/certs/tile.openstreetmap.org.pem;
105 ssl_certificate_key /etc/ssl/private/tile.openstreetmap.org.key;
107 # Requests sent within early data are subject to replay attacks.
108 # See: http://nginx.org/en/docs/http/ngx_http_ssl_module.html#ssl_early_data
111 # Immediately 404 layers we do not support
112 <% for i in 20..99 do %>
113 location /<%= i %>/ {
119 # Immediately 404 silly tile requests
120 location = /0/0/-1.png {
124 location = /1/0/-1.png {
128 location = /1/-1/0.png {
132 location = /1/-1/1.png {
136 location = /1/-1/-1.png {
140 location = /1/-1/2.png {
144 location = /1/1/-1.png {
148 location = /1/2/-1.png {
152 location = /2/0/-1.png {
156 location = /2/-1/0.png {
160 location = /2/-1/1.png {
164 location = /2/1/-1.png {
168 location = /2/-1/2.png {
172 location = /2/-1/3.png {
177 <% for i in 0..14 do %>
179 # Default Fallback Location Handler (lowest)
182 # Dedicated zoom handler for caching
183 location /<%= i %>/ {
185 # Only allow GET / HEAD / OPTIONS (CORS) requests
186 limit_except GET HEAD OPTIONS {
190 proxy_pass http://tile_cache_backend;
191 proxy_set_header X-Forwarded-For $remote_addr;
192 proxy_http_version 1.1;
193 proxy_set_header Connection '';
195 proxy_connect_timeout 10s;
197 # Replace host header.
198 proxy_set_header Host 'tile.openstreetmap.org';
199 # Do not pass cookies to backends.
200 proxy_set_header Cookie '';
201 # Do not pass Accept-Encoding to backends.
202 proxy_set_header Accept-Encoding '';
203 # Do not pass Accept to backends.
204 proxy_set_header Accept '';
205 # Do not pass Accept-Language to backends as unused.
206 proxy_set_header Accept-Language '';
207 proxy_set_header Accept-Charset '';
208 # Do not send origin, we allow all.
209 proxy_set_header origin '';
210 # Do not pass invalid headers to backend.
211 proxy_set_header X-Forwarded-Host '';
212 proxy_set_header X-Host '';
213 proxy_set_header Authorization '';
214 proxy_set_header Proxy-Authorization '';
216 # Drop partial requests
217 proxy_set_header range '';
219 # Do not allow setting cookies from backends due to caching.
220 proxy_ignore_headers Set-Cookie;
221 proxy_hide_header Set-Cookie;
225 proxy_cache "proxy_cache_zone";
227 proxy_cache_valid 200 1d;
228 proxy_cache_valid 404 15m;
229 # Serve stale cache on errors or if updating
230 proxy_cache_use_stale error timeout updating http_500 http_503 http_504;
231 # If in cache as stale, serve stale and update in background
232 proxy_cache_background_update on;
233 # Enable revalidation using If-Modified-Since and If-None-Match for stale items
234 proxy_cache_revalidate on;
235 proxy_cache_min_uses 8;
237 add_header x-cache-status $upstream_cache_status;
240 # Set a QoS cookie if none presented (uses nginx Map)
241 add_header Set-Cookie $cookie_qos_token_set;
242 <% if node[:ssl][:strict_transport_security] -%>
243 # Ensure Strict-Transport-Security header is removed from proxied server responses
244 proxy_hide_header Strict-Transport-Security;
247 add_header Strict-Transport-Security "<%= node[:ssl][:strict_transport_security] %>" always;
250 # QoS Traffic Rate see $limit_rate on http://nginx.org/en/docs/http/ngx_http_core_module.html
251 set $limit_rate $limit_rate_qos;
253 # Allow Higher Traffic Rate from Approved User-Agents which do not support cookies (uses nginx Map)
254 if ($approved_scraper) {
255 set $limit_rate 65536;
258 if ($denied_scraper) {
262 if ($denied_referer) {
267 # Strip any ?query parameters from urls
270 # Allow cache purging headers only from select User-Agents (uses nginx Map)
271 proxy_set_header Cache-Control $limit_http_cache_control;
272 proxy_set_header Pragma $limit_http_pragma;