vcl 4.0;
import std;

backend default {
 .host = "127.0.0.1";
 .port = "8080";
#.connect_timeout = 300s;
#.first_byte_timeout = 300s;
#.between_bytes_timeout = 300s;
#.max_connections = 1024;
}

backend mobile {
 .host = "127.0.0.1";
 .port = "8081";
#.connect_timeout = 300s;
#.first_byte_timeout = 300s;
#.between_bytes_timeout = 300s;
#.max_connections = 1024;
}

backend default2 {
 .host = "127.0.0.1";
 .port = "8080";
#.connect_timeout = 300s;
#.first_byte_timeout = 300s;
#.between_bytes_timeout = 300s;
#.max_connections = 1024;
}

acl purge {
"::1";
"localhost";
"127.0.0.1";
"3.23.28.101";
}

sub vcl_recv {

set req.http.X-UA-Device = "desktop";

#set req.url = "/tablet" req.url;

 if (req.http.User-Agent ~ "(?i)ip(hone|od)") {
set req.backend_hint = mobile;
 } elsif (req.http.User-Agent ~ "(?i)android.*(mobile|mini)") {
set req.backend_hint = mobile;
 } elsif (req.http.User-Agent ~ "(?i)tizen.*mobile") {
set req.backend_hint = mobile;
 }


 if (req.http.User-Agent ~ "(?i)ip(hone|od)") {
     set req.http.X-UA-Device = "mobile";
 } elsif (req.http.User-Agent ~ "(?i)android.*(mobile|mini)") {
     set req.http.X-UA-Device = "mobile";
 } elsif (req.http.User-Agent ~ "(?i)tizen.*mobile") {
     set req.http.X-UA-Device = "mobile";
 }

if ( req.http.User-Agent ~ "(?i)(ads|google|bing|msn|yandex|baidu|ro|career|seznam|)bot" ) {
 set req.http.X-UA-Device = "bot";
}

if (req.http.host ~ "(?i)^(www.)?example.tld$") { set req.backend_hint = default2; }
unset req.http.proxy; set req.http.host = regsub(req.http.Host, ":[0-9]+", "");
if (req.method == "PURGE") { if (!client.ip ~ purge) { return(synth(405,"Not allowed.")); }
if (req.http.X-Purge-Method) { if (req.http.X-Purge-Method == "regex") { ban("req.http.host == " + req.http.host + " && req.url ~ " + req.url); } else { ban("req.http.host == " + req.http.host + " && req.url == " + req.url); } }
return (purge);
}

if (req.method != "GET") { return(pipe); }
#if (req.http.cookie ~ "(joomla_[a-zA-Z0-9_]+|wordpress_no_cache|wordpress_logged|userID|wordpress_(?!test_)[a-zA-Z0-9_]+|wp-postpass|comment_author_[a-zA-Z0-9_]+|woocommerce_cart_hash|woocommerce_items_in_cart|wp_woocommerce_session_[a-zA-Z0-9]+|sid_customer_|sid_admin_|wordpressuser_|wp-postpass_|wordpress_logged_in_|PrestaShop-[a-zA-Z0-9]+)"){ return(pipe); }
#if (req.url ~ "(/feed/|/xmlrpc.php|/administrator|/WordPress-Base-Secret/|wp-.*.php|sitemap(_index)?.xml|/phpmyadmin|/roundcube|/roundcubemail|/accesopriv|/correoweb|/accesodbpma|/acceder|/mi-cuenta|/micuenta|com_user|com_users|com_contact|com_mailto|/component/user|/component/users|/component/contact|/component/mailto|/wp-admin|/wp-login.php|/cart|/my-account|/checkout|/wc-api|/addons|/lost-password|\?add-to-cart=|\?wc-api=|/ucp.php|/login|/logout|/connect|/signin|/signup|/register)") { return (pipe); }

#if (req.url ~ "^/example.php") { return (pipe); }
if (req.url ~ "^/.well-known/acme-challenge/") { return(pipe); }
#if (req.url ~ "^/wp-admin/admin-ajax.php") { return (synth(405));  }
unset req.http.Cookie;
return(hash);
}

sub vcl_backend_response {

unset beresp.http.set-cookie; set beresp.ttl = 1h;
if ((bereq.url ~ "^(/|/index\.)?$")) { set beresp.ttl = 30m; }
unset beresp.http.Vary; unset beresp.http.Cache-Control; unset beresp.http.age;
if (beresp.status == 500 || beresp.status == 502 || beresp.status == 504) { return (retry); }
if (bereq.url ~ "\.(gif|jpg|jpeg|swf|ttf|css|js|pdf|ico|png|torrent|vtt|srt)(\?.*|)$") { set beresp.ttl = 1h; }
if (beresp.status == 301 || beresp.status == 302) { set beresp.http.Location = regsub(beresp.http.Location, ":[0-9]+", ""); }
if (beresp.status == 404) { set beresp.uncacheable = false; unset beresp.http.set-cookie; set beresp.ttl = 30m; return (deliver); }
#if (bereq.http.cookie ~ "(joomla_[a-zA-Z0-9_]+|wordpress_no_cache|wordpress_logged|userID|wordpress_(?!test_)[a-zA-Z0-9_]+|wp-postpass|comment_author_[a-zA-Z0-9_]+|woocommerce_cart_hash|woocommerce_items_in_cart|wp_woocommerce_session_[a-zA-Z0-9]+|sid_customer_|sid_admin_|wordpressuser_|wp-postpass_|wordpress_logged_in_|PrestaShop-[a-zA-Z0-9]+)"){ set beresp.uncacheable = true; return (deliver); }
set beresp.grace = 1h;
return (deliver);
}

sub vcl_deliver {

if (obj.hits > 0) { set resp.http.X-Cache = "HIT"; } else { set resp.http.X-Cache = "MISS"; }
set resp.http.X-Cache-Hits = obj.hits; unset resp.http.WP-Super-Cache; unset resp.http.X-Turbo-Charged-By; unset resp.http.Server; unset resp.http.X-Powered-By; unset resp.http.X-Varnish; unset resp.http.Via; unset resp.http.Link;
}

sub vcl_hash {
    if (req.http.X-UA-Device) {
        hash_data(req.http.X-UA-Device);
    }
}