From c323d0f91e3c0ce03f56d2e1469eff02ef007d3d Mon Sep 17 00:00:00 2001
From: James <james@jongsma.me>
Date: Mon, 23 Feb 2026 16:57:30 -0500
Subject: [PATCH] =?UTF-8?q?feat:=20DDNS=20updater=20=E2=80=94=20keeps=20jo?=
 =?UTF-8?q?ngsma.me=20A=20record=20current=20in=20Cloudflare?=
MIME-Version: 1.0
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---
 scripts/ddns-update.sh | 50 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100755 scripts/ddns-update.sh

diff --git a/scripts/ddns-update.sh b/scripts/ddns-update.sh
new file mode 100755
index 0000000..28aecd2
--- /dev/null
+++ b/scripts/ddns-update.sh
@@ -0,0 +1,50 @@
+#!/bin/bash
+# DDNS updater — keeps jongsma.me A record current in Cloudflare
+# Runs every 5 min via cron; only calls CF API when IP has changed
+
+ZONE_ID="60b98ddacd2a61df9ac36b39acfe8b2c"
+RECORD_NAME="jongsma.me"
+STATE_FILE="/tmp/ddns-last-ip"
+
+source /home/johan/.config/cloudflare.env
+
+# Get current public IP
+CURRENT_IP=$(curl -sf --max-time 5 https://api.ipify.org || curl -sf --max-time 5 https://ifconfig.me)
+if [ -z "$CURRENT_IP" ]; then
+    echo "$(date -u): Failed to get public IP" >&2
+    exit 1
+fi
+
+# Compare to last known
+LAST_IP=$(cat "$STATE_FILE" 2>/dev/null)
+if [ "$CURRENT_IP" = "$LAST_IP" ]; then
+    exit 0
+fi
+
+echo "$(date -u): IP changed: $LAST_IP -> $CURRENT_IP"
+
+# Get record ID
+RECORD_ID=$(curl -sf \
+    "https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records?type=A&name=$RECORD_NAME" \
+    -H "Authorization: Bearer $CF_API_TOKEN" | \
+    python3 -c "import sys,json; r=json.load(sys.stdin)['result']; print(r[0]['id'] if r else '')")
+
+if [ -z "$RECORD_ID" ]; then
+    echo "$(date -u): Record not found for $RECORD_NAME" >&2
+    exit 1
+fi
+
+# Update record
+RESULT=$(curl -sf -X PUT \
+    "https://api.cloudflare.com/client/v4/zones/$ZONE_ID/dns_records/$RECORD_ID" \
+    -H "Authorization: Bearer $CF_API_TOKEN" \
+    -H "Content-Type: application/json" \
+    -d "{\"type\":\"A\",\"name\":\"$RECORD_NAME\",\"content\":\"$CURRENT_IP\",\"ttl\":1,\"proxied\":false}")
+
+if echo "$RESULT" | python3 -c "import sys,json; sys.exit(0 if json.load(sys.stdin).get('success') else 1)"; then
+    echo "$(date -u): Updated $RECORD_NAME -> $CURRENT_IP"
+    echo "$CURRENT_IP" > "$STATE_FILE"
+else
+    echo "$(date -u): CF API error: $RESULT" >&2
+    exit 1
+fi