l prism.r: add fysiirc github bridge

lass/1systems/prism/config.nix

@@ -123,6 +123,7 @@ with import <stockholm/lib>;
     <stockholm/lass/2configs/ciko.nix>
     <stockholm/lass/2configs/container-networking.nix>
     <stockholm/lass/2configs/jitsi.nix>
+    <stockholm/lass/2configs/fysiirc.nix>
     {
       services.tor = {
         enable = true;

lass/2configs/fysiirc.nix

@@ -0,0 +1,51 @@
+{ config, lib, pkgs, ... }:
+{
+  krebs.iptables.tables.filter.INPUT.rules = [
+    { predicate = "-p tcp --dport 44002"; target = "ACCEPT"; }
+  ];
+  krebs.reaktor2.fysiweb-github = {
+    hostname = "irc.libera.chat";
+    port = "6697";
+    useTLS = true;
+    nick = "fysiweb-github";
+    API.listen = "inet://127.0.0.1:44001";
+    plugins = [
+      {
+        plugin = "register";
+        config = {
+          channels = [
+            "#fysi"
+          ];
+        };
+      }
+    ];
+  };
+  krebs.htgen.fysiweb-github = {
+    port = 44002;
+    user = {
+      name = "reaktor2-fysiweb-github";
+    };
+    script = ''. ${pkgs.writeDash "github-irc" ''
+      case "$Method $Request_URI" in
+        "POST /")
+          payload=$(head -c "$req_content_length" \
+            | sed 's/+/ /g;s/%\(..\)/\\x\1/g;' \
+            | xargs -0 echo -e \
+          )
+          ${pkgs.curl}/bin/curl -fsSv http://localhost:44001/ \
+           -H content-type:application/json \
+           -d "$(echo "$payload" | ${pkgs.jq}/bin/jq \
+             '{
+               command:"PRIVMSG",
+               params:["#fysi", "\(.action): \(.comment.html_url // .issue.html_url // .pull_request.html_url)"]
+             }'
+           )"
+          printf 'HTTP/1.1 200 OK\r\n'
+          printf 'Connection: close\r\n'
+          printf '\r\n'
+          exit
+        ;;
+      esac
+    ''}'';
+  };
+}