# Ensure you update at least the server_name variables to match your own

# transcode cache
proxy_cache_path /tmp/funkwhale-transcode levels=1:2 keys_zone=transcode:10m max_size=1g inactive=7d;

# domain
upstream funkwhale-api {
    # depending on your setup, you may want to udpate this
    server localhost:5000;
}

server {
    listen 80;
    listen [::]:80;
    # update this to match your instance name
    server_name demo.funkwhale.audio;
    # useful for Let's Encrypt
    location /.well-known/acme-challenge/ { allow all; }
    location / { return 301 https://$host$request_uri; }
}

# required for websocket support
map $http_upgrade $connection_upgrade {
    default upgrade;
    ''      close;
}

server {
    listen      443 ssl http2;
    listen [::]:443 ssl http2;
    # update this to match your instance name
    server_name demo.funkwhale.audio;

    # TLS
    # Feel free to use your own configuration for SSL here or simply remove the
    # lines and move the configuration to the previous server block if you
    # don't want to run funkwhale behind https (this is not recommanded)
    # have a look here for let's encrypt configuration:
    # https://certbot.eff.org/all-instructions/#debian-9-stretch-nginx
    ssl_protocols TLSv1.2;
    ssl_ciphers HIGH:!MEDIUM:!LOW:!aNULL:!NULL:!SHA;
    ssl_prefer_server_ciphers on;
    ssl_session_cache shared:SSL:10m;
    ssl_certificate     /etc/letsencrypt/live/demo.funkwhale.audio/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/demo.funkwhale.audio/privkey.pem;
    # HSTS
    add_header Strict-Transport-Security "max-age=31536000";

    root /srv/funkwhale/front/dist;

    # global proxy conf
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto $scheme;
    proxy_set_header X-Forwarded-Host   $host:$server_port;
    proxy_set_header X-Forwarded-Port   $server_port;
    proxy_redirect off;

    # websocket support
    proxy_http_version 1.1;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection $connection_upgrade;

    location / {
        try_files $uri $uri/ @rewrites;
    }

    location @rewrites {
        rewrite ^(.+)$ /index.html last;
    }
    location /api/ {
        # this is needed if you have file import via upload enabled
        client_max_body_size 30M;
        proxy_pass   http://funkwhale-api/api/;
    }

    location /media/ {
        alias /srv/funkwhale/data/media/;
    }

    location /_protected/media {
        # this is an internal location that is used to serve
        # audio files once correct permission / authentication
        # has been checked on API side
        internal;
        alias   /srv/funkwhale/data/media;
    }

    # Transcoding logic and caching
    location = /transcode-auth {
        # needed so we can authenticate transcode requests, but still
        # cache the result
        internal;
        set $query '';
        # ensure we actually pass the jwt to the underlytin auth url
        if ($request_uri ~* "[^\?]+\?(.*)$") {
            set $query $1;
        }
        proxy_set_header X-Forwarded-Host   $host:$server_port;
        proxy_set_header X-Forwarded-Port   $server_port;
        proxy_pass http://funkwhale-api/api/v1/trackfiles/viewable/?$query;
        proxy_pass_request_body off;
        proxy_set_header        Content-Length "";
    }

    location /api/v1/trackfiles/transcode/ {
        # this block deals with authenticating and caching transcoding
        # requests. Caching is heavily recommended as transcoding
        # is a CPU intensive process.
        auth_request /transcode-auth;
        if ($args ~ (.*)jwt=[^&]*(.*)) {
            set $cleaned_args $1$2;
        }
        proxy_cache_key "$scheme$request_method$host$uri$is_args$cleaned_args";
        proxy_cache transcode;
        proxy_cache_valid 200 7d;
        proxy_ignore_headers "Set-Cookie";
        proxy_hide_header "Set-Cookie";
        add_header X-Cache-Status $upstream_cache_status;
        proxy_pass   http://funkwhale-api;
    }
    # end of transcoding logic

    location /staticfiles/ {
        # django static files
        alias /srv/funkwhale/data/static/;
    }
}