# DO NOT EDIT - This file is being maintained by Chef upstream tile_cache_backend { server 127.0.0.1:8080 weight=1000 max_fails=32; server 127.0.0.2:8080 weight=1000 max_fails=32; # Add the tile_siblings caches to relieve pressure if local squid failing # Balancer: round-robin <% server_weight = 1000 -%> <% Array(@node[:tilecache][:tile_siblings]).each do |cache_peer| -%> <% @caches.each do |cache| -%> <% if cache_peer == cache[:fqdn] -%> <% if cache[:hostname] != node[:hostname] -%> <% cache.ipaddresses(:family => :inet, :role => :external).sort.each do |address| -%> server <%= address %>:80 weight=<%= server_weight %> max_fails=32 backup; # Server <%= cache[:hostname] %> <% server_weight -= server_weight.div(2) -%> <% end -%> <% end -%> <% end -%> <% end -%> <% end -%> keepalive 128; } # Geo Map of tile caches geo $tile_cache { default "client"; <% @caches.each do |cache| -%> <% cache.ipaddresses(:family => :inet, :role => :external).sort.each do |address| -%> <%= address %> "cache"; # <%= cache[:hostname] %> <% end -%> <% end -%> } # Rates table based on current cookie value # map $cookie__osm_totp_token $limit_rate_qos { # include /etc/nginx/conf.d/tile_qos_rates.map; # } # Set-Cookie table based on current cookie value # map $cookie__osm_totp_token $cookie_qos_token_set { # include /etc/nginx/conf.d/tile_qos_cookies.map; # } map $http_user_agent $approved_scraper { default 0; # Not approved '~^JOSM\/' 1; # JOSM '~^Mozilla\/5\.0\ QGIS\/' 1; # QGIS } map $http_user_agent $denied_scraper { default 0; # Not denied '' 1; # No User-Agent Set '-' 1; # Library defaults '~^Python\-urllib\/' 1; '~^python\-requests\/' 1; '~^node\-fetch\/' 1; '~^R$' 1; '~^Java\/' 1; '~^tiles$' 1; '~^okhttp\/' 1; '~^Microsoft-ATL-Native\/' 1; '/n software IPWorks HTTP/S Component - www.nsoftware.com' 1; '~^Wget\/' 1; 'java' 1; # Library defaults or fakes 'Android' 1; 'kc_android' 1; 'host' 1; '~^maptestapp' 1; 'Other' 1; 'osmdroid' 1; '~^tilelive-http' 1; '~^Java-http-client' 1; # Fakes 'Mozilla/4.0' 1; 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)' 1; # Bulk downloaders 'C# TilesDownloader' 1; 'MapDownloader' 1; '~^staticmaps' 1; # Overusage apps '~^runtastic' 1; '~^Where\ my\ children' 1; 'nossoonibusjp.android.crosswalk' 1; 'br.com.concisoti.potybus' 1; 'com.soft373.taptaxi' 1; 'com.kradac.ktxcore' 1; '~^ru.crowdsystems.topcontrol.knd' 1; 'pl.itaxi.driver' 1; 'net.uztaxi.driver' 1; 'OSMDroid/2.1 (its; rutaxi 3.28.0)' 1; 'com.helleniccomms.mercedes.driver' 1; 'ru.taximaster.www' 1; 'com.arobs.trackgps' 1; 'com.helleniccomms.asteras.driver' 1; # Malware 'Agent Smith' 1; # '~[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}' 1; # Fake UA } map $http_referer $denied_referer { default 0; # Not denied # Faked sites 'http://www.openstreetmap.org/' 1; 'http://www.openstreetmap.org' 1; 'https://www.openstreetmap.org' 1; 'http://openstreetmap.org/' 1; 'http://openstreetmap.org' 1; 'https://openstreetmap.org' 1; 'http://www.osm.org/' 1; 'http://www.osm.org' 1; 'http://osm.org/' 1; 'http://osm.org' 1; 'http://google.com' 1; 'http://www.google.com' 1; 'http://google.com/' 1; 'http://www.google.com/' 1; 'https://google.com' 1; 'https://www.google.com' 1; 'https://google.com/' 1; 'https://www.google.com/' 1; 'http://www.microsoft.com/' 1; # Overusing websites '~^https?://pmap\.kuku\.lu/' 1; '~^https?://[^.]*\.pmap\.kuku\.lu/' 1; '~^https?://fastpokemap\.com/' 1; '~^https?://[^.]*\.fastpokemap\.com/' 1; '~^https?://pkget\.com/' 1; '~^https?://[^.]*\.pkget\.com/' 1; '~^https?://twpkinfo\.com/' 1; '~^https?://[^.]*\.twpkinfo\.com/' 1; '~^https?://9db\.jp/' 1; '~^https?://[^.]*\.9db\.jp/' 1; '~^https?://clustrmaps\.com/' 1; '~^https?://[^.]*\.clustrmaps\.com/' 1; '~^https?://geoportal360\.pl/' 1; '~^https?://skelbiu\.lt/' 1; '~^https?://[^.]*\.skelbiu\.lt/' 1; # '~^https?://[^.]*\.wialon.com/' 1; # (hold per 2020-04-10 email) } map $http_referer $osm_referer { default ''; # False '~^https:\/\/www\.openstreetmap\.org\/' 'osm'; # True } # Limit Cache-Control header to only approved User-Agents map $tile_cache$osm_referer$http_user_agent $limit_http_cache_control { default ''; # Unset Header '~^clientosmMozilla\/5\.0\ \(X11' $http_cache_control; # Pass Header '~^clientosmMozilla\/5\.0\ \(Windows' $http_cache_control; # Pass Header '~^clientosmMozilla\/5\.0\ \(iPhone' $http_cache_control; # Pass Header '~^clientosmMozilla\/5\.0\ \(Macintosh' $http_cache_control; # Pass Header '~^clientosmMozilla\/5\.0\ \(Linux' $http_cache_control; # Pass Header } # Limit Pragma header to only approved User-Agents map $tile_cache$osm_referer$http_user_agent $limit_http_pragma { default ''; # Unset Header '~^clientosmMozilla\/5\.0\ \(X11' $http_pragma; # Pass Header '~^clientosmMozilla\/5\.0\ \(Windows' $http_pragma; # Pass Header '~^clientosmMozilla\/5\.0\ \(iPhone' $http_pragma; # Pass Header '~^clientosmMozilla\/5\.0\ \(Macintosh' $http_pragma; # Pass Header '~^clientosmMozilla\/5\.0\ \(Linux' $http_pragma; # Pass Header } # Find Browser User-Agents which are not sending a referer. # Browsers with no referer could be due to Browser extension or website Referrer-Policy map $tile_cache$http_referer$scheme$http_user_agent $deny_missing_referer { default 0; # Not denied '~^clienthttpsMozilla\/5\.0\ \(X11' 1; '~^clienthttpsMozilla\/5\.0\ \(Windows' 1; '~^clienthttpsMozilla\/5\.0\ \(iPhone' 1; '~^clienthttpsMozilla\/5\.0\ \(Macintosh' 1; '~^clienthttpsMozilla\/5\.0\ \(Linux' 1; } server { # IPv4 listen 80 deferred backlog=16384 reuseport fastopen=2048 default_server; listen 443 ssl deferred backlog=16384 reuseport fastopen=2048 http2 default_server; # IPv6 listen [::]:80 deferred backlog=16384 reuseport fastopen=2048 default_server; listen [::]:443 ssl deferred backlog=16384 reuseport fastopen=2048 http2 default_server; server_name localhost; proxy_buffers 8 64k; proxy_busy_buffers_size 64k; ssl_certificate /etc/ssl/certs/tile.openstreetmap.org.pem; ssl_certificate_key /etc/ssl/private/tile.openstreetmap.org.key; # Requests sent within early data are subject to replay attacks. # See: http://nginx.org/en/docs/http/ngx_http_ssl_module.html#ssl_early_data ssl_early_data on; # Immediately 404 layers we do not support <% for i in 20..99 do %> location /<%= i %>/ { return 404; } <% end %> # Immediately 404 silly tile requests location = /0/0/-1.png { return 404; } location = /1/0/-1.png { return 404; } location = /1/-1/0.png { return 404; } location = /1/-1/1.png { return 404; } location = /1/-1/-1.png { return 404; } location = /1/-1/2.png { return 404; } location = /1/1/-1.png { return 404; } location = /1/2/-1.png { return 404; } location = /2/0/-1.png { return 404; } location = /2/-1/0.png { return 404; } location = /2/-1/1.png { return 404; } location = /2/1/-1.png { return 404; } location = /2/-1/2.png { return 404; } location = /2/-1/3.png { return 404; } <% for i in 0..16 do %> <% if i == 0 -%> # Default Fallback Location Handler (lowest) location / { <% elsif -%> # 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 $remote_addr; proxy_http_version 1.1; proxy_set_header Connection ''; proxy_connect_timeout 20s; proxy_next_upstream_tries 2; # Replace host header. proxy_set_header Host 'tile.openstreetmap.org'; # Do not pass cookies to backends. proxy_set_header Cookie ''; # Do not pass Accept-Encoding to backends. proxy_set_header Accept-Encoding ''; # Do not pass Accept to backends. proxy_set_header Accept ''; # Do not pass Accept-Language to backends as unused. proxy_set_header Accept-Language ''; proxy_set_header Accept-Charset ''; # Do not send origin, we allow all. proxy_set_header origin ''; # Do not pass invalid headers to backend. proxy_set_header X-Forwarded-Host ''; proxy_set_header X-Host ''; proxy_set_header Authorization ''; proxy_set_header Proxy-Authorization ''; # Drop partial requests proxy_set_header range ''; # Do not allow setting cookies from backends due to caching. proxy_ignore_headers Set-Cookie; proxy_hide_header Set-Cookie; <% if i != 0 -%> # Caching proxy_cache "proxy_cache_zone"; proxy_cache_lock on; proxy_cache_valid 200 2d; proxy_cache_valid 404 15m; # Serve stale cache on errors or if updating proxy_cache_use_stale error timeout updating http_404 http_500 http_503 http_504; # If in cache as stale, serve stale and update in background proxy_cache_background_update on; # Workaround nginx async bug which causes stale cache replies to wait for the async backend cache update reply (seen in v1.16.0) keepalive_requests 0; # Enable revalidation using If-Modified-Since and If-None-Match for stale items proxy_cache_revalidate on; proxy_cache_min_uses 4; add_header x-cache-status "$upstream_cache_status - <%= node[:hostname] %>"; <% else %> # Severely rate limit Browser UAs which are not sending a referer. # With no referer we do not know who is using tiles if ($deny_missing_referer) { set $limit_rate 1024; add_header x-cache-ratelimit "missing-referer"; } <% end -%> # Set a QoS cookie if none presented (uses nginx Map) # add_header Set-Cookie $cookie_qos_token_set; <% if node[:ssl][:strict_transport_security] -%> # Ensure Strict-Transport-Security header is removed from proxied server responses proxy_hide_header Strict-Transport-Security; # Enable HSTS add_header Strict-Transport-Security "<%= node[:ssl][:strict_transport_security] %>" always; <% end -%> # QoS Traffic Rate see $limit_rate on http://nginx.org/en/docs/http/ngx_http_core_module.html # set $limit_rate $limit_rate_qos; # Allow Higher Traffic Rate from Approved User-Agents which do not support cookies (uses nginx Map) # if ($approved_scraper) { # set $limit_rate 65536; # } if ($denied_scraper) { set $limit_rate 512; return 429; } if ($denied_referer) { set $limit_rate 512; return 418; } # Strip any ?query parameters from urls set $args ''; # Allow cache purging headers only from select User-Agents (uses nginx Map) proxy_set_header Cache-Control $limit_http_cache_control; proxy_set_header Pragma $limit_http_pragma; } <% end %> }