Moved to separate rep

.gitignore

@@ -0,0 +1,2 @@
+venv
+.env

Dockerfile

@@ -0,0 +1,5 @@
+FROM python:3.9.13-slim-buster
+WORKDIR /app
+COPY . /app
+RUN pip install -r requirements.txt
+CMD ["python3", "-u", "update_client.py"]

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 The Developer 
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

VERSION

@@ -0,0 +1 @@
+v4

requirements.txt

@@ -0,0 +1,6 @@
+certifi==2023.11.17
+charset-normalizer==3.3.2
+idna==3.6
+python-dotenv==1.0.0
+requests==2.31.0
+urllib3==2.1.0

update_client.py

@@ -0,0 +1,43 @@
+import os
+import socket
+from time import sleep
+
+import requests
+from dotenv import load_dotenv
+
+load_dotenv()
+
+DDNS_WG_URL = os.environ.get("DDNS_UPDATE_WG")
+DDNS_NC_URL = os.environ.get("DDNS_UPDATE_NC")
+DDNS_CR_URL = os.environ.get("DDNS_UPDATE_CR")
+DDNS_GT_URL = os.environ.get("DDNS_UPDATE_GT")
+GT_HOST = os.environ.get("GT_HOST")
+MY_IP_URL = "http://ifconfig.me"
+
+domains = [DDNS_NC_URL, DDNS_WG_URL, DDNS_CR_URL, DDNS_GT_URL]
+
+current_ip = requests.get(MY_IP_URL, timeout=15).text
+registered_ip = socket.gethostbyname(GT_HOST)
+
+while True:
+    try:
+        current_ip = requests.get(MY_IP_URL, timeout=15).text
+        registered_ip = socket.gethostbyname(GT_HOST)
+    except Exception as e:
+        print(f"Error while retrieving current IP! Error:\n\n{e}")
+    else:
+        if current_ip != registered_ip:
+            print(f"IP change detected (was {current_ip} - now {registered_ip})! Updating DNS entries...")
+            for item in domains:
+                try:
+                    response = requests.get(item)
+                    print(f"Response from endpoint:\n\n{response.text}")
+                except Exception as e:
+                    print(f"Error while updating DDNS entry! Error:\n\n{e}")
+                else:
+                    print("DNS entry updated!")
+        else:
+            print(f"No IP change detected (currently {current_ip}).")
+    finally:
+        print("Sleeping 10 minutes...")
+        sleep(1200)