nixos-config/config/services/matrix-media-repo.nix
2023-06-11 20:18:38 +01:00

248 lines
7.8 KiB
Nix

{
nix-packages,
system,
config,
pkgs,
lib,
...
}: let
inherit (nix-packages.packages.${system}) matrix-media-repo;
config-yml = pkgs.writeText "matrix-media-repo.yaml" (lib.generators.toYAML {} {
repo = {
bindAddress = "127.0.0.1";
port = 8008;
logDirectory = "-";
};
database.postgres = "postgresql:///matrix_media_repo?sslmode=disable&host=/run/postgresql";
homeservers = [
{
name = "matrix.chir.rs";
csApi = "https://matrix.chir.rs";
}
{
name = "matrix.int.chir.rs";
csApi = "https://matrix.chir.rs";
}
];
admins = ["@lotte:chir.rs"];
datastores = [
{
type = "s3";
id = "b003babbb86fecf56bb9ba6571f9adb0bd1e71c8";
enabled = true;
forKinds = ["all"];
opts = {
tempPath = "/tmp/mediarepo_s3_upload";
endpoint = "s3.us-west-000.backblazeb2.com";
accessKeyId = "#ACCESS_KEY_ID#";
accessSecret = "#SECRET_ACCESS_KEY#";
ssl = true;
bucketName = "matrix-chir-rs";
region = "us-west-000";
};
}
];
metrics = {
enabled = true;
bindAddress = "::";
port = 9000;
};
urlPreviews = {
enabled = true;
numWorkers = 10;
oEmbed = true;
allowedNetworks = [
"0.0.0.0/0"
"::/0"
];
disallowedNetworks = [
"127.0.0.1/8"
"10.0.0.0/8"
"172.16.0.0/12"
"192.168.0.0/16"
"::1/128"
"fe80::/64"
"fc00::/7"
];
userAgent = "TelegramBot (like TwitterBot)"; # to make it work with fxtwitter/vxtwitter
};
downloads = {
expireAfterDays = 7;
};
featureSupport = {
MSC2448.enabled = true;
MSC2246 = {
enabled = true;
asyncUploadExpirySecs = 120;
};
};
sentry = {
enable = true;
dsn = "https://18e36e6f16b5490c83364101717cddba@o253952.ingest.sentry.io/6449283";
};
thumbnails = {
maxSourceBytes = 0;
maxPixels = 102000000;
types = [
"image/jpeg"
"image/jpg"
"image/png"
"image/apng"
"image/gif"
"image/heif"
"image/webp"
"image/svg+xml"
"image/jxl"
"audio/mpeg"
"audio/ogg"
"audio/wav"
"audio/flac"
"video/mp4"
"video/webm"
"video/x-matroska"
"video/quicktime"
];
};
});
in {
networking.firewall.interfaces."wg0".allowedTCPPorts = [9000];
systemd.services.matrix-media-repo = {
description = "Matrix Media Repo";
after = ["network.target"];
wantedBy = ["multi-user.target"];
path = [matrix-media-repo pkgs.ffmpeg pkgs.imagemagick];
preStart = ''
akid=$(cat ${config.sops.secrets."services/matrix-media-repo/access-key-id".path})
sak=$(cat ${config.sops.secrets."services/matrix-media-repo/secret-access-key".path})
cat ${config-yml} > /var/lib/matrix-media-repo/config.yml
sed -i "s|#ACCESS_KEY_ID#|$akid|g" /var/lib/matrix-media-repo/config.yml
sed -i "s|#SECRET_ACCESS_KEY#|$sak|g" /var/lib/matrix-media-repo/config.yml
'';
serviceConfig = {
Type = "simple";
User = "matrix-media-repo";
Group = "matrix-media-repo";
Restart = "always";
ExecStart = "${matrix-media-repo}/bin/media_repo -config /var/lib/matrix-media-repo/config.yml";
};
};
systemd.services.purge-old-media = {
path = [pkgs.curl];
description = "Purge unused media";
script = ''
export MATRIX_TOKEN=$(cat ${config.sops.secrets."services/matrix-media-repo/matrix-token".path})
for i in $(seq 1000); do
curl -H "Authorization: Bearer $MATRIX_TOKEN" -X POST https://matrix.chir.rs/_matrix/media/unstable/admin/purge/old\?before_ts=$(date -d "3 months ago" +%s%3N)\&include_local=true && exit 0
done
'';
serviceConfig = {
Type = "oneshot";
User = "matrix-media-repo";
Group = "matrix-media-repo";
};
};
systemd.timers.purge-old-media = {
description = "Purge unused media";
after = ["network.target" "matrix-media-repo.service"];
requires = ["purge-old-media.service"];
wantedBy = ["multi-user.target"];
timerConfig = {
OnUnitInactiveSec = 300;
RandomizedDelaySec = 300;
};
};
sops.secrets."services/matrix-media-repo/access-key-id".owner = "matrix-media-repo";
sops.secrets."services/matrix-media-repo/secret-access-key".owner = "matrix-media-repo";
sops.secrets."services/matrix-media-repo/matrix-token".owner = "matrix-media-repo";
users.users.matrix-media-repo = {
description = "Matrix Media Repository";
home = "/var/lib/matrix-media-repo";
useDefaultShell = true;
group = "matrix-media-repo";
isSystemUser = true;
};
users.groups.matrix-media-repo = {};
systemd.tmpfiles.rules = [
"d '/var/lib/matrix-media-repo' 0750 matrix-media-repo matrix-media-repo - -"
];
services.postgresql.ensureDatabases = [
"matrix_media_repo"
];
services.postgresql.ensureUsers = [
{
name = "matrix-media-repo";
ensurePermissions = {
"DATABASE matrix_media_repo" = "ALL PRIVILEGES";
};
}
];
services.caddy.virtualHosts."matrix.chir.rs" = {
useACMEHost = "chir.rs";
logFormat = pkgs.lib.mkForce "";
extraConfig = ''
import baseConfig
route {
handle /_matrix/media/*/download/matrix.chir.rs/discord_* {
header Access-Control-Allow-Origin *
# Remove path prefix
uri path_regexp ^/_matrix/media/.+/download/matrix\.chir\.rs/discord_ /
# The mxc patterns use | instead of /, so replace it first turning it into attachments/1234/5678/filename.png
uri replace "%7C" /
reverse_proxy {
# reverse_proxy automatically includes the uri, so no {uri} at the end
to https://cdn.discordapp.com
# Caddy doesn't set the Host header automatically when reverse proxying
# (because usually reverse proxies are local and don't care about Host headers)
header_up Host cdn.discordapp.com
}
}
# Do the same for thumbnails, but redirect to media.discordapp.net (which is Discord's thumbnailing server, and happens to use similar width/height params as Matrix)
# Alternatively, you can point this at cdn.discordapp.com too. Clients shouldn't mind even if they get a bigger image than they asked for.
handle /_matrix/media/*/thumbnail/matrix.chir.rs/discord_* {
header Access-Control-Allow-Origin *
uri path_regexp ^/_matrix/media/.+/thumbnail/matrix\.chir\.rs/discord_ /
uri replace "%7C" /
reverse_proxy {
to https://media.discordapp.net
header_up Host media.discordapp.net
}
}
handle /_matrix/media/* {
uri * replace /unstable/fi.mau.msc2246/ /v1/
reverse_proxy http://localhost:8008 {
header_down Access-Control-Allow-Origin *
header_down Access-Control-Allow-Headers *
}
}
handle /_matrix/client/v3/logout/* {
reverse_proxy http://localhost:8008
}
handle /_matrix/* {
reverse_proxy {
to https://matrix.int.chir.rs
header_up Host {upstream_hostport}
transport http {
versions 1.1 2 3
}
}
}
handle /.well-known/matrix/server {
header Access-Control-Allow-Origin *
header Content-Type application/json
respond "{ \"m.server\": \"matrix.chir.rs:443\" }" 200
}
handle /.well-known/matrix/client {
header Access-Control-Allow-Origin *
header Content-Type application/json
respond "{ \"m.homeserver\": { \"base_url\": \"https://matrix.chir.rs\" } }" 200
}
}
'';
};
}