1 upstream nominatim_service {
 
   2   server 127.0.0.1:<%= @pools[:www][:port ]%>;
 
   5 map $uri $nominatim_script_name {
 
  11 map $uri $nominatim_path_info {
 
  15 map $query_string $email_id {
 
  16     ~(^|&)email=([^&]+)  $2;
 
  19 map $email_id $missing_email {
 
  24 map $http_user_agent $missing_ua {
 
  29 map $http_referer $missing_referer {
 
  37 <% @frontends.each do |frontend| -%>
 
  38 <% frontend.ipaddresses(:role => :external) do |address| -%>
 
  48 map $missing_email$missing_referer$http_user_agent $blocked_user_agent {
 
  50    "11" 2; # block any requests without identifier
 
  51    include <%= @confdir %>/nginx_blocked_user_agent.conf;
 
  54 map $missing_email$missing_ua$http_referer $blocked_referrer {
 
  56    include <%= @confdir %>/nginx_blocked_referrer.conf;
 
  59 map $missing_referer$missing_ua$email_id $blocked_email {
 
  61    include <%= @confdir %>/nginx_blocked_email.conf;
 
  64 map $whitelisted $limit_www {
 
  66     0 $binary_remote_addr;
 
  69 map $blocked_user_agent $limit_tarpit {
 
  71     1 $binary_remote_addr;
 
  72     2 $binary_remote_addr;
 
  75 limit_req_zone $limit_www zone=www:50m rate=2r/s;
 
  76 limit_req_zone $limit_tarpit zone=tarpit:10m rate=1r/s;
 
  77 limit_req_zone $binary_remote_addr zone=blocked:10m rate=20r/m;
 
  80     listen 80 default_server;
 
  81     listen [::]:80 default_server;
 
  83     access_log <%= node[:nominatim][:logdir] %>/nominatim.openstreetmap.org-access.log combined;
 
  84     error_log <%= node[:nominatim][:logdir] %>/nominatim.openstreetmap.org-error.log;
 
  86     location /nginx_status {
 
  94      rewrite ^/\.well-known/acme-challenge/(.*)$ http://acme.openstreetmap.org/.well-known/acme-challenge/$1 permanent;
 
  97          return 301 https://$host$request_uri;
 
 103     listen       443 ssl deferred backlog=16384 reuseport fastopen=2048 http2 default_server;
 
 105     listen       [::]:443 ssl deferred backlog=16384 reuseport fastopen=2048 http2 default_server;
 
 106     server_name  localhost;
 
 108     ssl_certificate /etc/ssl/certs/<%= node[:fqdn] %>.pem;
 
 109     ssl_certificate_key /etc/ssl/private/<%= node[:fqdn] %>.key;
 
 111     root <%= @directory %>/website;
 
 114     access_log <%= node[:nominatim][:logdir] %>/nominatim.openstreetmap.org-access.log combined;
 
 115     error_log <%= node[:nominatim][:logdir] %>/nominatim.openstreetmap.org-error.log;
 
 117     location /nginx_status {
 
 125     error_page 403 /403.html;
 
 127         limit_req zone=blocked burst=5;
 
 130     error_page 429 /509.html;
 
 132         limit_req zone=blocked burst=5;
 
 136         try_files $uri $uri/ @php;
 
 140         if ($blocked_user_agent ~ ^2$)
 
 142         if ($blocked_referrer)
 
 147         limit_req zone=www burst=10;
 
 148         limit_req zone=tarpit burst=2;
 
 149         limit_req_status 429;
 
 150         fastcgi_pass nominatim_service;
 
 151         include fastcgi_params;
 
 152         fastcgi_param QUERY_STRING    $args;
 
 153         fastcgi_param PATH_INFO       "$nominatim_path_info";
 
 154         fastcgi_param SCRIPT_FILENAME  "$document_root/$nominatim_script_name";
 
 158         if ($blocked_user_agent ~ ^2$)
 
 160         if ($blocked_referrer)
 
 165         limit_req zone=www burst=10;
 
 166         limit_req zone=tarpit burst=2;
 
 167         limit_req_status 429;
 
 168         fastcgi_pass    nominatim_service;
 
 169         include         fastcgi_params;
 
 170         fastcgi_param   SCRIPT_FILENAME    $document_root$fastcgi_script_name;