From f8d69b1784b1fbbb6fe6abfa4a384fc8a75dbdef Mon Sep 17 00:00:00 2001
From: clerie <git@clerie.de>
Date: Sat, 26 Feb 2022 16:14:07 +0100
Subject: [PATCH] Add captive portal detection service

---
 hosts/web-2/configuration.nix |  1 +
 hosts/web-2/ping.nix          | 29 +++++++++++++++++++++++++++++
 2 files changed, 30 insertions(+)
 create mode 100644 hosts/web-2/ping.nix

diff --git a/hosts/web-2/configuration.nix b/hosts/web-2/configuration.nix
index aa45eae..1de9910 100644
--- a/hosts/web-2/configuration.nix
+++ b/hosts/web-2/configuration.nix
@@ -12,6 +12,7 @@
       ./ip.nix
       ./meow.nix
       ./milchinsel.nix
+      ./ping.nix
       ./prediger.nix
       ./public.nix
       ./radicale.nix
diff --git a/hosts/web-2/ping.nix b/hosts/web-2/ping.nix
new file mode 100644
index 0000000..1adc787
--- /dev/null
+++ b/hosts/web-2/ping.nix
@@ -0,0 +1,29 @@
+{ ... }:
+
+{
+  services.nginx.virtualHosts = {
+    "ping.clerie.de" = {
+      enableACME = true;
+      addSSL = true;
+      locations."= /" = {
+        return = ''200 "This domain is used for connectivity checking and captive portal detection\n"'';
+        extraConfig = ''
+          types { } default_type "text/plain; charset=utf-8";
+        '';
+      };
+      locations."/nm-check.txt" = {
+        return = ''200 "NetworkManager is online\n"'';
+        extraConfig = ''
+          types { } default_type "text_plain; charset=utf-8";
+          add_header Cache-Control "max-age=0, must-revalidate";
+        '';
+      };
+      locations."/" = {
+        return = ''404'';
+      };
+      extraConfig = ''
+        access_log off;
+      '';
+    };
+  };
+}