Refactor the whole configuration

Reviewed-on: #1

modules/nixos/multimedia/web/firefox/default.nix

@@ -0,0 +1,14 @@
+{ username, pkgs, ... }:
+
+{
+  environment.systemPackages = with pkgs; [
+    tor-browser
+    firefox-esr
+  ];
+
+  environment.persistence."/nix/persist" = {
+    users."${username}".directories = [
+      ".config/mozilla"
+    ];
+  };
+}

modules/nixos/multimedia/web/firefox/policies.nix

@@ -0,0 +1,72 @@
+{
+  EnableTrackingProtection = {
+    Value = true;
+    Cryptomining = true;
+    Fingerprinting = true;
+    EmailTracking = true;
+    Level = "strict";
+  };
+
+  DisableTelemetry = true;
+  DisablePocket = true;
+  DisableFirefoxStudies = true;
+  DisableFirefoxAccounts = false;
+  DisableAccounts = false;
+  DontCheckDefaultBrowser = true;
+  OverrideFirstRunPage = "";
+  OverridePostUpdatePage = "";
+  NoDefaultBookmarks = true;
+  Cookies = {
+    Behaviour = "reject-foreign";
+    BehaviourPrivateBrowsing = "reject-foreign";
+  };
+
+  UserMessaging = {
+    WhatsNew = false;
+    ExtensionRecommendations = false;
+    FeatureRecommendations = false;
+    UrlbarInterventions = false;
+    UrlbarTopSitesEnabled = false;
+    SkipOnboarding = true;
+    MoreFromMozilla = false;
+  };
+
+  FirefoxHome = {
+    Search = false;
+    TopSites = false;
+    SponsoredTopSites = false;
+    Highlights = false;
+    Pocket = false;
+    SponsoredPocket = false;
+    Snippets = false;
+    Locked = true;
+  };
+
+  SearchSuggestEnabled = false;
+  NewTabPage = false;
+
+  SearchEngines = { # ESR only
+    Default = "Kagi";
+    PreventInstalls = true;
+    DisableSearchEngineUpdate = true;
+    Remove = ["Google" "Bing" "Amazon.com" "DuckDuckGo"
+              "eBay" "Twitter" "Wikipedia (en)"];
+    Add = [
+      {
+        Name = "Kagi";
+        URLTemplate = "https://kagi.com/search?q={searchTerms}";
+        Method = "GET";
+        IconURL = "https://kagi.com/favicon.ico";
+        Alias = "@k";
+        Default = true;
+      }
+    ];
+  };
+
+  FirefoxSuggest = {
+    WebSuggestions = false;
+    SponsoredSuggestions = false;
+    ImproveSuggest = false;
+    Locked = true;
+  };
+}

modules/nixos/multimedia/web/firefox/preferences.nix

@@ -0,0 +1,23 @@
+let
+  prefToString = value:
+    if builtins.isBool value then
+      if value then "true" else "false"
+    else if (builtins.isInt value) || (builtins.isNull value) then
+      builtins.toString value
+    else if builtins.isString value then
+      ''"${value}"''
+    else
+      builtins.throw
+        "Pref expected one of (Bool, String, Int, Null) got instead ${builtins.typeOf value}";
+
+  mkPrefs = prefs: builtins.concatStringsSep 
+    "\n"
+    (builtins.attrValues
+      (builtins.mapAttrs
+        (n: v: ''pref("${n}", ${prefToString v});'') prefs));
+in 
+  mkPrefs {
+    "browser.urlbar.suggest.topsites" = false;
+    "browser.startup.homepage" = "about:blank";
+    "browser.download.useDownloadDir" = false;
+  }