forked from AkkomaGang/akkoma
131 lines
4.1 KiB
Text
131 lines
4.1 KiB
Text
vcl 4.0;
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import std;
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backend default {
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.host = "127.0.0.1";
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.port = "4000";
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}
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# ACL for IPs that are allowed to PURGE data from the cache
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acl purge {
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"127.0.0.1";
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}
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sub vcl_recv {
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# Redirect HTTP to HTTPS
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if (std.port(server.ip) != 443) {
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set req.http.x-redir = "https://" + req.http.host + req.url;
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return (synth(750, ""));
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}
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# Pipe if WebSockets request is coming through
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if (req.http.upgrade ~ "(?i)websocket") {
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return (pipe);
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}
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# Allow purging of the cache
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if (req.method == "PURGE") {
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if (!client.ip ~ purge) {
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return(synth(405,"Not allowed."));
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}
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return(purge);
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}
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# Pleroma MediaProxy - strip headers that will affect caching
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if (req.url ~ "^/proxy/") {
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unset req.http.Cookie;
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unset req.http.Authorization;
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unset req.http.Accept;
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return (hash);
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}
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# Strip headers that will affect caching from all other static content
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# This also permits caching of individual toots and AP Activities
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if ((req.url ~ "^/(media|static)/") ||
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(req.url ~ "(?i)\.(html|js|css|jpg|jpeg|png|gif|gz|tgz|bz2|tbz|mp3|ogg|svg|swf|ttf|pdf|woff|woff2)$"))
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{
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unset req.http.Cookie;
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unset req.http.Authorization;
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return (hash);
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}
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# Everything else should just be piped to Pleroma
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return (pipe);
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}
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sub vcl_backend_response {
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# gzip text content
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if (beresp.http.content-type ~ "(text|text/css|application/x-javascript|application/javascript)") {
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set beresp.do_gzip = true;
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}
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# etags are bad
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unset beresp.http.etag;
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# Don't cache objects that require authentication
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if (beresp.http.Authorization && !beresp.http.Cache-Control ~ "public") {
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set beresp.uncacheable = true;
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return (deliver);
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}
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# Default object caching of 86400s;
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set beresp.ttl = 86400s;
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# Allow serving cached content for 6h in case backend goes down
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set beresp.grace = 6h;
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# Do not cache 5xx responses
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if (beresp.status == 500 || beresp.status == 502 || beresp.status == 503 || beresp.status == 504) {
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set beresp.uncacheable = true;
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return (abandon);
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}
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# Do not cache redirects and errors
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if ((beresp.status >= 300) && (beresp.status < 500)) {
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set beresp.uncacheable = true;
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set beresp.ttl = 30s;
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return (deliver);
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}
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# Pleroma MediaProxy internally sets headers properly
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if (bereq.url ~ "^/proxy/") {
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return (deliver);
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}
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# Strip cache-restricting headers from Pleroma on static content that we want to cache
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# Also enable streaming of cached content to clients (no waiting for Varnish to complete backend fetch)
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if (bereq.url ~ "(?i)\.(js|css|jpg|jpeg|png|gif|gz|tgz|bz2|tbz|mp3|ogg|svg|swf|ttf|pdf|woff|woff2)$")
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{
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unset beresp.http.set-cookie;
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unset beresp.http.Cache-Control;
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unset beresp.http.x-request-id;
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set beresp.http.Cache-Control = "public, max-age=86400";
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set beresp.do_stream = true;
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}
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}
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# The synthetic response for 301 redirects
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sub vcl_synth {
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if (resp.status == 750) {
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set resp.status = 301;
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set resp.http.Location = req.http.x-redir;
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return(deliver);
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}
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}
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# Ensure WebSockets through the pipe do not close prematurely
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sub vcl_pipe {
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if (req.http.upgrade) {
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set bereq.http.upgrade = req.http.upgrade;
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set bereq.http.connection = req.http.connection;
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}
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}
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sub vcl_deliver {
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set resp.http.X-Frame-Options = "DENY";
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set resp.http.X-XSS-Protection = "1; mode=block";
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set resp.http.X-Content-Type-Options = "nosniff";
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set resp.http.Referrer-Policy = "same-origin";
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set resp.http.Content-Security-Policy = "default-src 'none'; base-uri 'self'; form-action 'self'; frame-ancestors 'none'; img-src 'self' data: https:; media-src 'self' https:; style-src 'self' 'unsafe-inline'; font-src 'self'; script-src 'self'; connect-src 'self' wss://" + req.http.host + "; upgrade-insecure-requests;";
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# Uncomment this only after you get HTTPS working.
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# set resp.http.Strict-Transport-Security= "max-age=31536000; includeSubDomains";
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}
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