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[:hostname] -%>
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_qos_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_qos_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 $denied_scraper {
48 default 0; # Not denied
49 '~^Python\-urllib\/' 1; # Library Default
50 '~^python\-requests\/' 1; # Library Default
51 '~^R$' 1; # Library Default
52 '~^Java\/' 1; # Library Default
53 '~^tiles$' 1; # Library Default
54 '~^Dalvik\/' 1; # Library Default
55 '~^runtastic' 1; # App
56 'Mozilla/4.0' 1; # Fake
57 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)' 1; # Fake
60 map $http_referer $denied_referer {
61 default 0; # Not denied
62 'http://www.openstreetmap.org/' 1; # Faked
63 'http://www.openstreetmap.org' 1; # Faked
64 'http://openstreetmap.org/' 1; # Faked
65 'http://openstreetmap.org' 1; # Faked
66 'http://www.osm.org/' 1; # Faked
67 'http://www.osm.org' 1; # Faked
68 'http://osm.org/' 1; # Faked
69 'http://osm.org' 1; # Faked
72 # Limit Cache-Control header to only approved User-Agents
73 map $http_user_agent $limit_http_cache_control {
74 default ''; # Unset Header
75 '~^Mozilla\/5\.0\ QGIS\/' ''; # Unset Header
76 '~^Mozilla\/5\.0\ ' $http_cache_control; # Pass Header
79 # Limit Pragma header to only approved User-Agents
80 map $http_user_agent $limit_http_pragma {
81 default ''; # Unset Header
82 '~^Mozilla\/5\.0\ QGIS\/' ''; # Unset Header
83 '~^Mozilla\/5\.0\ ' $http_pragma; # Pass Header
87 listen 443 ssl fastopen=2048 http2 default_server;
88 server_name localhost;
92 ssl_certificate /etc/ssl/certs/tile.openstreetmap.org.pem;
93 ssl_certificate_key /etc/ssl/private/tile.openstreetmap.org.key;
96 proxy_pass http://tile_cache_backend;
97 proxy_set_header X-Forwarded-For $remote_addr;
98 proxy_http_version 1.1;
99 proxy_set_header Connection '';
101 proxy_connect_timeout 5s;
103 # Preserve host header.
104 proxy_set_header Host $host;
105 # Do not pass cookies to backends.
106 proxy_set_header Cookie '';
107 # Do not pass Accept-Encoding to backends.
108 proxy_set_header Accept-Encoding '';
110 # Do not allow setting cookies from backends due to caching.
111 proxy_ignore_headers Set-Cookie;
112 proxy_hide_header Set-Cookie;
114 # Set a QoS cookie if none presented (uses nginx Map)
115 add_header Set-Cookie $cookie_qos_token_set;
116 <% if node[:ssl][:strict_transport_security] -%>
117 # Ensure Strict-Transport-Security header is removed from proxied server responses
118 proxy_hide_header Strict-Transport-Security;
121 add_header Strict-Transport-Security "<%= node[:ssl][:strict_transport_security] %>" always;
124 # QoS Traffic Rate see $limit_rate on http://nginx.org/en/docs/http/ngx_http_core_module.html
125 set $limit_rate $limit_rate_qos;
127 # Allow Higher Traffic Rate from Approved User-Agents which do not support cookies (uses nginx Map)
128 if ($approved_scraper) {
129 set $limit_rate 65536;
132 if ($denied_scraper) {
136 if ($denied_referer) {
141 # Strip any ?query parameters from urls
144 # Allow cache purging headers only from select User-Agents (uses nginx Map)
145 proxy_set_header Cache-Control $limit_http_cache_control;
146 proxy_set_header Pragma $limit_http_pragma;