mod: show public ip in waybar

on click to show
2026-10-11 23:10:30 -04:00
parent 744b773657
commit 1e47ff812b
4 changed files with 62 additions and 8 deletions
@@ -0,0 +1,51 @@
+#!/usr/bin/env bash
+set -u
+
+state_dir="${XDG_RUNTIME_DIR:-/tmp}/waybar-${UID}"
+state_file="$state_dir/public-ip"
+
+if [[ ${1:-} == toggle ]]; then
+  mkdir -p -m 700 "$state_dir"
+  if [[ -s $state_file ]]; then
+    : > "$state_file"
+  else
+    public_ip=$(curl -4fsS --max-time 5 https://wtfismyip.com/json 2>/dev/null |
+      jq -er '.YourFuckingIPAddress | select(type == "string") | split(".") |
+        select(length == 4 and all(.[]; test("^[0-9]{1,3}$") and (tonumber <= 255))) |
+        join(".")' 2>/dev/null) || exit 0
+    printf '%s\n' "$public_ip" > "$state_file"
+  fi
+  exit 0
+fi
+
+route=$(ip -4 route get 1.1.1.1 2>/dev/null) || route=
+if [[ ! $route =~ [[:space:]]dev[[:space:]]([^[:space:]]+) ]]; then
+  jq -cn '{text: "⚠ Disconnected", class: "disconnected"}'
+  exit 0
+fi
+interface=${BASH_REMATCH[1]}
+if [[ ! $route =~ [[:space:]]src[[:space:]]([0-9.]+) ]]; then
+  jq -cn '{text: "⚠ Disconnected", class: "disconnected"}'
+  exit 0
+fi
+local_ip=${BASH_REMATCH[1]}
+
+if [[ -s $state_file ]]; then
+  jq -cn --rawfile ip "$state_file" '{text: (" " + ($ip | rtrimstr("\n"))), class: "public"}'
+  exit 0
+fi
+
+if [[ $(nmcli -g GENERAL.TYPE device show "$interface" 2>/dev/null) == wifi ]]; then
+  essid=$(nmcli -g GENERAL.CONNECTION device show "$interface" 2>/dev/null | head -n 1)
+  signal=$(nmcli -t -f IN-USE,SIGNAL device wifi list ifname "$interface" --rescan no 2>/dev/null |
+    awk -F: '$1 == "*" { print $2; exit }')
+  if [[ -n $essid && $essid != -- ]]; then
+    text=" $essid"
+    [[ -n $signal ]] && text="${text} (${signal}%)"
+  else
+    text=" $local_ip"
+  fi
+else
+  text=" $local_ip"
+fi
+jq -cn --arg text "$text" '{text: $text, class: "connected"}'