upstream nominatim_service { server 127.0.0.1:<%= @pools[:www][:port ]%>; } map $uri $nominatim_script_name { ~^(.+?\.php) $1; ~^/([^/]+) $1.php; ^$ search.php; } map $uri $nominatim_path_info { ~^/([^/]+)(.*)$ $2; } map $query_string $email_id { ~(^|&)email=([^&]+) $2; } map $email_id $missing_email { default ""; "" 1; } map $http_user_agent $missing_ua { default ""; "" 1; } map $http_referer $missing_referer { default ""; "" 1; } # Whitelisted IPs geo $whitelisted { default 0; <% @frontends.each do |frontend| -%> <% frontend.ipaddresses(:role => :external) do |address| -%> <%= address %> 1; <% end -%> <% end -%> 46.235.224.148 1; 209.132.180.180 1; 209.132.180.168 1; 8.43.85.23 1; # gnome } map $missing_email$missing_referer$http_user_agent $blocked_user_agent { default 0; "11" 2; # block any requests without identifier include <%= @confdir %>/nginx_blocked_user_agent.conf; } map $missing_email$missing_ua$http_referer $blocked_referrer { default 0; include <%= @confdir %>/nginx_blocked_referrer.conf; } map $missing_referer$missing_ua$email_id $blocked_email { default 0; include <%= @confdir %>/nginx_blocked_email.conf; } map $whitelisted $limit_www { 1 ""; 0 $binary_remote_addr; } map $blocked_user_agent $limit_tarpit { 0 ""; 1 $binary_remote_addr; 2 $binary_remote_addr; } limit_req_zone $limit_www zone=www:50m rate=2r/s; limit_req_zone $limit_tarpit zone=tarpit:10m rate=1r/s; limit_req_zone $binary_remote_addr zone=blocked:10m rate=20r/m; server { listen 80 default_server; listen [::]:80 default_server; access_log <%= node[:nominatim][:logdir] %>/nominatim.openstreetmap.org-access.log combined; error_log <%= node[:nominatim][:logdir] %>/nominatim.openstreetmap.org-error.log; location /nginx_status { stub_status on; access_log off; allow 127.0.0.1; allow ::1; deny all; } rewrite ^/\.well-known/acme-challenge/(.*)$ http://acme.openstreetmap.org/.well-known/acme-challenge/$1 permanent; location / { return 301 https://$host$request_uri; } } server { # IPv4 listen 443 ssl deferred backlog=16384 reuseport fastopen=2048 http2 default_server; # IPv6 listen [::]:443 ssl deferred backlog=16384 reuseport fastopen=2048 http2 default_server; server_name localhost; ssl_certificate /etc/ssl/certs/<%= node[:fqdn] %>.pem; ssl_certificate_key /etc/ssl/private/<%= node[:fqdn] %>.key; root <%= @directory %>/website; index search.php; access_log <%= node[:nominatim][:logdir] %>/nominatim.openstreetmap.org-access.log combined; error_log <%= node[:nominatim][:logdir] %>/nominatim.openstreetmap.org-error.log; location /nginx_status { stub_status on; access_log off; allow 127.0.0.1; allow ::1; deny all; } error_page 403 /403.html; location /403.html { limit_req zone=blocked burst=5; } error_page 429 /509.html; location /509.html { limit_req zone=blocked burst=5; } location / { try_files $uri $uri/ @php; } location @php { if ($blocked_user_agent ~ ^2$) { return 403; } if ($blocked_referrer) { return 403; } if ($blocked_email) { return 403; } limit_req zone=www burst=10; limit_req zone=tarpit burst=2; limit_req_status 429; fastcgi_pass nominatim_service; include fastcgi_params; fastcgi_param QUERY_STRING $args; fastcgi_param PATH_INFO "$nominatim_path_info"; fastcgi_param SCRIPT_FILENAME "$document_root/$nominatim_script_name"; } location ~* \.php$ { if ($blocked_user_agent ~ ^2$) { return 403; } if ($blocked_referrer) { return 403; } if ($blocked_email) { return 403; } limit_req zone=www burst=10; limit_req zone=tarpit burst=2; limit_req_status 429; fastcgi_pass nominatim_service; include fastcgi_params; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; } }