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|
{
pkgs,
lib,
config,
...
}:
let
inherit (lib)
escapeShellArg
mkEnableOption
mkOption
types
mkIf
;
inherit (builtins) concatStringsSep;
cfg = config.services.kiosk;
in
{
options.services.kiosk = {
enable = mkEnableOption "acting as a browser-based kiosk";
user = mkOption {
description = "Name of user to run kiosk as";
default = "kiosk";
type = types.str;
};
group = mkOption {
description = "Name of group for kiosk user";
default = "kiosk";
type = types.str;
};
home = mkOption {
description = "Home directory for the user";
default = "/var/kiosk";
type = types.str;
};
urls = mkOption {
description = "URLs to open";
default = [ ];
type = types.listOf types.str;
};
firefoxCommand = mkOption {
description = "Version of firefox to use";
default = "${
pkgs.firefox.override {
cfg.speechSynthesisSupport = false;
extraPolicies =
let
lock-false = {
Value = false;
Status = "locked";
};
lock-true = {
Value = true;
Status = "locked";
};
in
{
DisableTelemetry = true;
DisableFirefoxStudies = true;
EnableTrackingProtection = {
Value = true;
Locked = true;
Cryptomining = true;
Fingerprinting = true;
};
DisablePocket = true;
OverrideFirstRunPage = "";
OverridePostUpdatePage = "";
DontCheckDefaultBrowser = true;
DisplayBookmarksToolbar = "never"; # alternatives: "always" or "newtab"
DisplayMenuBar = "default-off"; # alternatives: "always", "never" or "default-on"
SearchBar = "unified"; # alternative: "separate"
DisableFirefoxAccounts = true;
DisableFirefoxScreenshots = true;
DisableAccounts = true;
PasswordManagerEnabled = false;
SearchEngines.Remove = [ "Google" ];
Preferences = {
# Based on github.com/arkenfox/user.js
"extensions.pocket.enabled" = lock-false;
# Recommendations
"extensions.getAddons.showPane" = lock-false;
"extensions.htmlaboutaddons.recommendations.enabled" = lock-false;
"browser.discovery.enabled" = lock-false;
"browser.shopping.experience2023.enabled" = lock-false;
# Telemetry
"datareporting.policy.dataSubmissionEnabled" = lock-false;
"datareporting.healthreport.uploadEnabled" = lock-false;
"toolkit.telemetry.unified" = lock-false;
"toolkit.telemetry.enabled" = lock-false;
"toolkit.telemetry.server" = "data:";
"toolkit.telemetry.archive.enabled" = lock-false;
"toolkit.telemetry.newProfilePing.enabled" = lock-false;
"toolkit.telemetry.shutdownPingSender.enabled" = lock-false;
"toolkit.telemetry.updatePing.enabled" = lock-false;
"toolkit.telemetry.bhrPing.enabled" = lock-false;
"toolkit.telemetry.firstShutdownPing.enabled" = lock-false;
"toolkit.telemetry.coverage.opt-out" = lock-true;
"toolkit.coverage.opt-out" = lock-true;
"toolkit.coverage.endpoint.base" = "";
"browser.ping-centre.telemetry" = lock-false;
"browser.newtabpage.activity-stream.feeds.telemetry" = lock-false;
"browser.newtabpage.activity-stream.telemetry" = lock-false;
# Studies
"app.shield.optoutstudies.enabled" = lock-false;
"app.normandy.enabled" = lock-false;
"app.normandy.api_url" = "";
# Autofill
"browser.formfill.enable" = lock-false;
"signon.autofillForms" = lock-false;
"signon.formlessCapture.enabled" = lock-false;
# Better SSL error display
"browser.xul.error_pages.expert_bad_cert" = lock-true;
# Miscellaneous
"font.default.x-western" = "sans-serif";
"browser.uitour.enabled" = lock-false;
"pdfjs.enableScripting" = lock-false;
"browser.sessionrestore.resume_from_crash" = lock-false;
"browser.contentblocking.category" = "strict";
"privacy.donottrackheader.enabled" = lock-true;
"privacy.globalprivacycontrol.enabled" = lock-true;
"privacy.globalprivacycontrol.was-ever-enabled" = lock-true;
"signon.rememberSignons" = lock-false;
"browser.toolbars.bookmarks.visibility" = "never";
"browser.startup.homepage_override.mstone" = "ignore";
"browser.newtabpage.activity-stream.asrouter.userprefs.cfr.addons" = lock-false;
"browser.newtabpage.activity-stream.asrouter.userprefs.cfr.features" = lock-false;
"browser.messaging-system.whatsNewPanel.enabled" = lock-false;
"toolkit.legacyUserProfileCustomizations.stylesheets" = lock-true;
};
};
}
}/bin/firefox";
type = types.str;
};
};
config = mkIf cfg.enable {
users.users.${cfg.user} = {
isSystemUser = true;
home = cfg.home;
group = cfg.group;
createHome = true;
useDefaultShell = true;
};
users.groups.${cfg.group} = { };
services.getty.autologinUser = cfg.user;
services.xserver = {
enable = true;
displayManager.startx.enable = true;
};
hardware.opengl = {
enable = true;
driSupport = true;
};
system.activationScripts.kiosk-home = {
text = ''
mkdir -p ${cfg.home}
cat >${cfg.home}/.xinitrc <<EOF
#!/usr/bin/env bash
xset s off
xset -dpms
${cfg.firefoxCommand} --kiosk --kiosk-monitor 0 ${concatStringsSep " " (map escapeShellArg cfg.urls)} &
sleep 10
# Firefox kiosk mode doesn't actually maximise for some reason
${pkgs.xdotool}/bin/xdotool search --name ".*Mozilla Firefox" windowsize 100% 100%
wait
EOF
cat >${cfg.home}/.bash_profile <<EOF
[[ -z \$DISPLAY && \$XDG_VTNR -eq 1 ]] && exec startx
EOF
chown -R kiosk:kiosk ${cfg.home}
'';
deps = [ "users" ];
};
};
}
|
