nixos-config/modules/nginx-interactive-index/default.nix
Simon Bruder 10b8d432d5
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Nix

# SPDX-FileCopyrightText: 2021 Simon Bruder <simon@sbruder.de>
#
# SPDX-License-Identifier: AGPL-3.0-or-later
# This module implements an option with the same structure as the nginx module
# but does not extend the nginx module since that would cause infinite
# recursion.
{ config, lib, pkgs, ... }:
let
enabledLocations = lib.fold
(x: a: a ++ x)
[ ]
(lib.mapAttrsToList
(vhostName: vhostConfig: lib.mapAttrsToList
(locationName: locationConfig: [ vhostName locationName ])
(lib.filterAttrs
(_: location: location.enable)
vhostConfig.locations))
config.services.nginx-interactive-index.virtualHosts);
in
{
options.services.nginx-interactive-index.virtualHosts = with lib.types; lib.mkOption {
default = { };
type = attrsOf (submodule {
options = {
locations = lib.mkOption {
default = { };
type = attrsOf (submodule {
options = {
enable = lib.mkEnableOption "interactive directory index";
};
});
};
};
});
};
config.services.nginx.virtualHosts = lib.fold
(x: a: a // x)
{ }
(map
(path:
let
vhost = lib.elemAt path 0;
location = lib.elemAt path 1;
assetsPath = "${location}__nginx-interactive-index-assets__";
in
{
"${vhost}".locations = {
"${location}" = {
extraConfig = ''
autoindex on;
autoindex_exact_size on;
add_before_body ${assetsPath}/header.html;
'';
};
"${assetsPath}/" = {
alias = "${builtins.filterSource
(path: type: baseNameOf path != "default.nix")
./.}/";
};
"=${assetsPath}/header.html" = {
alias = pkgs.writeText "nginx-interactive-index-${location}-header.html" ''
<!DOCTYPE html>
<meta charset="utf-8">
<link rel="stylesheet" href="${assetsPath}/listing.css">
<script src="${assetsPath}/listing.js"></script>
'';
};
};
})
enabledLocations);
}