From fc989a319a11ee08903596194f32e72a6e20abca Mon Sep 17 00:00:00 2001
From: vin <vin@vineetk.net>
Date: Sat, 8 Mar 2025 19:32:58 -0500
Subject: demiurge: add systemd timer for refreshing invidious tokens

---
 hosts/demiurge/default.nix | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/hosts/demiurge/default.nix b/hosts/demiurge/default.nix
index ddd3e63..e97ec57 100644
--- a/hosts/demiurge/default.nix
+++ b/hosts/demiurge/default.nix
@@ -864,6 +864,45 @@ FQsOJMjIvhTm2IiOS8xIaZz7EJORxFjtOkLEIGGZBNK6QcnD714/nYbHSrQx4eNM
     };
   };
 
+  # extra systemd stuff
+  systemd = {
+    services.invidious_token = {
+      script = ''
+set -euo pipefail
+
+a="$(${pkgs.podman}/bin/podman run quay.io/invidious/youtube-trusted-session-generator | sed -n 4,5p)"
+visitor_data=$(echo "$a" | sed -n 1p | cut -d' ' -f2)
+po_token=$(echo "$a" | sed -n 2p | cut -d' ' -f2)
+day=$(date +%e | tr -d ' ')
+
+printf '{"visitor_data": "%s",\n"po_token": "%s",\n' \
+       "$visitor_data" "$po_token" \
+       >/run/invidious_settings
+
+if [ $((day % 2)) -eq 0 ]; then
+    printf '"force_resolve": "ipv6"}\n' >>/run/invidious_settings
+else
+    printf '"force_resolve": "ipv4"}\n' >>/run/invidious_settings
+fi
+
+${pkgs.systemd}/bin/systemctl restart invidious-sig-helper
+${pkgs.systemd}/bin/systemctl restart invidious
+      '';
+      serviceConfig = {
+        Type = "oneshot";
+        User = "root";
+      };
+    };
+
+    timers.invidious_token = {
+      timerConfig = {
+        OnCalendar = "hourly";
+        Persistent = true;
+      };
+      wantedBy = [ "timers.target" ];
+    };
+  };
+
   # create caches and use mandoc
   documentation.man = {
     enable = true;
-- 
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