nixos-config/configs/pepe/dms.nix

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{ lib, pkgs, config, ... }:
# a very simple dms setup which.
# I have a brother ADS-1600W scanner, which is configured to send all
# PDFs to this machine in /home/ftp-upload/input
# from there the dms.py scans them and makes them searchable.
let
dms = pkgs.fetchgit {
url = "https://github.com/mrVanDalo/dms.git";
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rev = "977e7d5fd2d0ccde7b185343eba35f4967871590";
sha256 = "138ib1hanp91nmb22f67asgy3afx0yxajbm54ar3s5h4c0fgry38";
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};
in {
# setup ftp
services.vsftpd = {
enable = true;
userlist = [ "ftp-upload" ];
userlistEnable = true;
localUsers = true;
writeEnable = true;
extraConfig = ''
# additional ports for directory list and stuff
pasv_min_port=4242
pasv_max_port=4243
'';
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};
networking.firewall.allowedTCPPortRanges = [
{
# ftp: additional ports for directory list and stuff
from = 4242;
to = 4243;
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}
{
# ftp
from = 20;
to = 21;
}
];
# create user
users.users.ftp-upload = {
passwordFile = toString <secrets/ftp/password>;
isNormalUser = true;
};
# create dms service
systemd.services.dms = {
enable = true;
wantedBy = [ "multi-user.target" ];
path = [
(pkgs.python3.withPackages (ps: with ps; [ flask ]))
pkgs.imagemagickBig
(pkgs.pdfsandwich.override { imagemagick = pkgs.imagemagickBig; })
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pkgs.poppler_utils
pkgs.which
pkgs.netpbm
pkgs.gawk
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pkgs.bash
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];
serviceConfig = { User = "ftp-upload"; };
preStart = ''
if [[ ! -L /home/ftp-upload/db/SOURCE_DIR ]]
then
rm -rf /home/ftp-upload/db/SOURCE_DIR
mkdir -p /home/ftp-upload/db
mkdir -p /home/ftp-upload/input
ln -s /home/ftp-upload/input /home/ftp-upload/db/SOURCE_DIR
fi
'';
script = ''
DMSDATA=/home/ftp-upload/db \
FLASK_APP=${dms}/dms.py \
flask run --host 0.0.0.0 \
"$@"
'';
};
# host nginx setup
services.nginx = {
enable = true;
virtualHosts = {
"dms.pepe.private" = {
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serverAliases =
[ "pdf.pepe.private" "docs.pepe.private" "dms.pepe.lan" ];
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locations."/" = { proxyPass = "http://localhost:5000"; };
};
};
};
# add documents to backup
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backup.dirs = [ "/home/ftp-upload/db" ];
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}