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 <% cache.ipaddresses(:family => :inet, :role => :external).sort.each do |address| -%>
11 server <%= address %> backup; # Server <%= cache[:hostname] %>
19 # Geo Map of tile caches
22 <% @caches.each do |cache| -%>
23 <% cache.ipaddresses(:family => :inet, :role => :external).sort.each do |address| -%>
24 <%= address %> 1; # <%= cache[:hostname] %>
29 # Rates table based on current cookie value
30 map $cookie_qos_token $limit_rate_qos {
31 include /etc/nginx/conf.d/tile_qos_rates.map;
34 # Set-Cookie table based on current cookie value
35 map $cookie_qos_token $cookie_qos_token_set {
36 include /etc/nginx/conf.d/tile_qos_cookies.map;
39 map $http_user_agent $approved_scraper {
40 default 0; # Not approved
42 '~^Mozilla\/5\.0\ QGIS\/' 1; # QGIS
45 map $http_user_agent $denied_scraper {
46 default 0; # Not denied
47 '~^Python\-urllib\/' 1; # Library Default
48 '~^python\-requests\/' 1; # Library Default
49 '~^R$' 1; # Library Default
50 '~^Java\/' 1; # Library Default
51 '~^tiles$' 1; # Library Default
52 '~^Dalvik\/' 1; # Library Default
53 '~^runtastic' 1; # App
54 'Mozilla/4.0' 1; # Fake
55 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)' 1; # Fake
58 map $http_referer $denied_referer {
59 default 0; # Not denied
60 'http://www.openstreetmap.org/' 1; # Faked
61 'http://www.openstreetmap.org' 1; # Faked
62 'http://openstreetmap.org/' 1; # Faked
63 'http://openstreetmap.org' 1; # Faked
64 'http://www.osm.org/' 1; # Faked
65 'http://www.osm.org' 1; # Faked
66 'http://osm.org/' 1; # Faked
67 'http://osm.org' 1; # Faked
70 # Limit Cache-Control header to only approved User-Agents
71 map $http_user_agent $limit_http_cache_control {
72 default ''; # Unset Header
73 '~^Mozilla\/5\.0\ QGIS\/' ''; # Unset Header
74 '~^Mozilla\/5\.0\ ' $http_cache_control; # Pass Header
77 # Limit Pragma header to only approved User-Agents
78 map $http_user_agent $limit_http_pragma {
79 default ''; # Unset Header
80 '~^Mozilla\/5\.0\ QGIS\/' ''; # Unset Header
81 '~^Mozilla\/5\.0\ ' $http_pragma; # Pass Header
85 listen 443 ssl fastopen=2048 http2 default_server;
86 server_name localhost;
90 ssl_certificate /etc/ssl/certs/tile.openstreetmap.org.pem;
91 ssl_certificate_key /etc/ssl/private/tile.openstreetmap.org.key;
94 proxy_pass http://tile_cache_backend;
95 proxy_set_header X-Forwarded-For $remote_addr;
96 proxy_http_version 1.1;
97 proxy_set_header Connection '';
99 proxy_connect_timeout 10s;
101 # Preserve host header.
102 proxy_set_header Host $host;
103 # Do not pass cookies to backends.
104 proxy_set_header Cookie '';
105 # Do not pass Accept-Encoding to backends.
106 proxy_set_header Accept-Encoding '';
108 # Do not allow setting cookies from backends due to caching.
109 proxy_ignore_headers Set-Cookie;
110 proxy_hide_header Set-Cookie;
112 # Set a QoS cookie if none presented (uses nginx Map)
113 add_header Set-Cookie $cookie_qos_token_set;
114 <% if node[:ssl][:strict_transport_security] -%>
115 # Ensure Strict-Transport-Security header is removed from proxied server responses
116 proxy_hide_header Strict-Transport-Security;
119 add_header Strict-Transport-Security "<%= node[:ssl][:strict_transport_security] %>" always;
122 # QoS Traffic Rate see $limit_rate on http://nginx.org/en/docs/http/ngx_http_core_module.html
123 set $limit_rate $limit_rate_qos;
125 # Allow Higher Traffic Rate from Approved User-Agents which do not support cookies (uses nginx Map)
126 if ($approved_scraper) {
127 set $limit_rate 65536;
130 if ($denied_scraper) {
134 if ($denied_referer) {
139 # Strip any ?query parameters from urls
142 # Allow cache purging headers only from select User-Agents (uses nginx Map)
143 proxy_set_header Cache-Control $limit_http_cache_control;
144 proxy_set_header Pragma $limit_http_pragma;