# Minimum Nginx version required:  1.13.0 (released Apr 25, 2017)
# Please check your Nginx installation features the following modules via 'nginx -V':
# STANDARD HTTP MODULES: Core, Proxy, Rewrite, Access, Gzip, Headers, HTTP/2, Log, Real IP, SSL, Thread Pool, Upstream, AIO Multithreading.
# THIRD PARTY MODULES:   None.

access_log /var/log/nginx/peertube.access.log; # reduce I/0 with buffer=10m flush=5m
error_log  /var/log/nginx/peertube.error.log;

location /.well-known {
    root /var/www;
}

##
# Application
##

location @api {
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header Host            $host;
    proxy_set_header X-Real-IP       $remote_addr;

    client_max_body_size  100k; # default is 1M

    proxy_connect_timeout 10m;
    proxy_send_timeout    10m;
    proxy_read_timeout    10m;
    send_timeout          10m;

    proxy_pass http://peertube-backend;
}

location / {
    try_files /dev/null @api;
}

location = /api/v1/videos/upload-resumable {
    client_max_body_size    0;
    proxy_request_buffering off;

    try_files /dev/null @api;
}

location ~ ^/api/v1/videos/(upload|([^/]+/studio/edit))$ {
    limit_except POST HEAD { deny all; }

    # This is the maximum upload size, which roughly matches the maximum size of a video file.
    # Note that temporary space is needed equal to the total size of all concurrent uploads.
    # This data gets stored in /var/lib/nginx by default, so you may want to put this directory
    # on a dedicated filesystem.
    client_max_body_size                      12G; # default is 1M
    add_header            X-File-Maximum-Size 8G always; # inform peertube-backend of the set value in bytes before mime-encoding (x * 1.4 >= client_max_body_size)

    try_files /dev/null @api;
}

location ~ ^/api/v1/(videos|video-playlists|video-channels|users/me) {
    client_max_body_size                      6M; # default is 1M
    add_header            X-File-Maximum-Size 4M always; # inform peertube-backend of the set value in bytes before mime-encoding (x * 1.4 >= client_max_body_size)

    try_files /dev/null @api;
}

##
# Websocket
##

location @api_websocket {
    proxy_http_version 1.1;
    proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header   Host            $host;
    proxy_set_header   X-Real-IP       $remote_addr;
    proxy_set_header   Upgrade         $http_upgrade;
    proxy_set_header   Connection      "upgrade";

    proxy_pass http://peertube-backend;
}

location /socket.io {
    try_files /dev/null @api_websocket;
}

location /tracker/socket {
    # Peers send a message to the tracker every 15 minutes
    # Don't close the websocket before then
    proxy_read_timeout 15m; # default is 60s

    try_files /dev/null @api_websocket;
}

# Enable compression for JS/CSS/HTML, for improved client load times.
# It might be nice to compress JSON/XML as returned by the API, but
# leaving that out to protect against potential BREACH attack.
gzip              on;
gzip_vary         on;
gzip_types        # text/html is always compressed by HttpGzipModule
text/css
application/javascript
font/truetype
font/opentype
application/vnd.ms-fontobject
image/svg+xml;
gzip_min_length   1000; # default is 20 bytes
gzip_buffers      16 8k;
gzip_comp_level   2; # default is 1

client_body_timeout       30s; # default is 60
client_header_timeout     10s; # default is 60
send_timeout              10s; # default is 60
keepalive_timeout         10s; # default is 75
resolver_timeout          10s; # default is 30
reset_timedout_connection on;
proxy_ignore_client_abort on;

tcp_nopush                on; # send headers in one piece
tcp_nodelay               on; # don't buffer data sent, good for small data bursts in real time

# If you have a small /var/lib partition, it could be interesting to store temp nginx uploads in a different place
# See https://nginx.org/en/docs/http/ngx_http_core_module.html#client_body_temp_path
#client_body_temp_path /var/www/peertube/storage/nginx/;

# Bypass PeerTube for performance reasons. Optional.
# Should be consistent with client-overrides assets list in /server/controllers/client.ts
location ~ ^/client/(assets/images/(icons/icon-36x36\.png|icons/icon-48x48\.png|icons/icon-72x72\.png|icons/icon-96x96\.png|icons/icon-144x144\.png|icons/icon-192x192\.png|icons/icon-512x512\.png|logo\.svg|favicon\.png|default-playlist\.jpg|default-avatar-account\.png|default-avatar-account-48x48\.png|default-avatar-video-channel\.png|default-avatar-video-channel-48x48\.png))$ {
    add_header Cache-Control "public, max-age=31536000, immutable"; # Cache 1 year

    root /var/www/peertube;

    try_files /storage/client-overrides/$1 /peertube-latest/client/dist/$1 @api;
}

# Bypass PeerTube for performance reasons. Optional.
location ~ ^/client/(.*\.(js|css|png|svg|woff2|otf|ttf|woff|eot))$ {
    add_header Cache-Control "public, max-age=31536000, immutable"; # Cache 1 year

    alias /var/www/peertube/peertube-latest/client/dist/$1;
}

# Bypass PeerTube for performance reasons. Optional.
location ~ ^/static/(thumbnails|avatars)/ {
    if ($request_method = 'OPTIONS') {
        add_header Access-Control-Allow-Origin  '*';
        add_header Access-Control-Allow-Methods 'GET, OPTIONS';
        add_header Access-Control-Allow-Headers 'Range,DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
        add_header Access-Control-Max-Age       1728000; # Preflight request can be cached 20 days
        add_header Content-Type                 'text/plain charset=UTF-8';
        add_header Content-Length               0;
        return 204;
    }

    add_header Access-Control-Allow-Origin    '*';
    add_header Access-Control-Allow-Methods   'GET, OPTIONS';
    add_header Access-Control-Allow-Headers   'Range,DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
    add_header Cache-Control                  "public, max-age=7200"; # Cache response 2 hours

    rewrite ^/static/(.*)$ /$1 break;

    try_files $uri @api;
}

# Bypass PeerTube for performance reasons. Optional.
location ~ ^/static/(webseed|redundancy|streaming-playlists)/ {
    limit_rate_after            5M;

    # Clients usually have 4 simultaneous webseed connections, so the real limit is 3MB/s per client
    set $peertube_limit_rate    800k;

    # Increase rate limit in HLS mode, because we don't have multiple simultaneous connections
    if ($request_uri ~ -fragmented.mp4$) {
        set $peertube_limit_rate  5M;
    }

    # Use this line with nginx >= 1.17.0
    #limit_rate $peertube_limit_rate;
    # Or this line if your nginx < 1.17.0
    set $limit_rate $peertube_limit_rate;

    if ($request_method = 'OPTIONS') {
        add_header Access-Control-Allow-Origin  '*';
        add_header Access-Control-Allow-Methods 'GET, OPTIONS';
        add_header Access-Control-Allow-Headers 'Range,DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
        add_header Access-Control-Max-Age       1728000; # Preflight request can be cached 20 days
        add_header Content-Type                 'text/plain charset=UTF-8';
        add_header Content-Length               0;
        return 204;
    }

    if ($request_method = 'GET') {
        add_header Access-Control-Allow-Origin  '*';
        add_header Access-Control-Allow-Methods 'GET, OPTIONS';
        add_header Access-Control-Allow-Headers 'Range,DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';

        # Don't spam access log file with byte range requests
        access_log off;
    }

    # Enabling the sendfile directive eliminates the step of copying the data into the buffer
    # and enables direct copying data from one file descriptor to another.
    sendfile on;
    sendfile_max_chunk 1M; # prevent one fast connection from entirely occupying the worker process. should be > 800k.

    # XXX: Not supported on Guix
    # aio threads;

    rewrite ^/static/webseed/(.*)$ /videos/$1 break;
    rewrite ^/static/(.*)$         /$1        break;

    try_files $uri @api;
}

