add simple tool to update iway dns stuff

python/iway/api.py

@@ -0,0 +1,104 @@
+"""
+Handles API login and logout stuff
+"""
+import yaml
+import requests
+
+
+def get_iway_token(config_path="iway-certbot-dns-auth.yml"):
+    """
+    Reads the config file, authenticates with iway, and returns the token.
+    """
+    url = "https://backend.login.iway.ch/api/login"
+    # Using a session ensures we capture the cookies sent by the server
+    session = requests.Session()
+    try:
+        with open(config_path, "r", encoding="utf-8") as file:
+            config = yaml.safe_load(file)
+        payload = {
+            "username": config["account"]["username"],
+            "password": config["account"]["password"],
+        }
+        headers = {
+            "Content-Type": "application/json",
+        }
+        response = session.post(url,headers=headers, json=payload, timeout=3)
+        response.raise_for_status()
+        data = response.json()
+        auth_token = data.get("token")
+        # Extract the csrftoken from the session cookies
+        csrf_token = session.cookies.get("csrftoken")
+        return auth_token, csrf_token
+        # print(f"Login successful! Token: {token}")
+    except FileNotFoundError:
+        print(f"Error: Configuration file '{config_path}' not found.")
+    except (requests.exceptions.RequestException, KeyError) as e:
+        print(f"Authentication failed: {e}")
+
+    return None, None
+
+def logout_iway_token(auth_token, csrf_token):
+    """
+    Reads the config file, authenticates with iway, and returns the token.
+    """
+    url = "https://backend.login.iway.ch/api/logout"
+    try:
+        headers = {
+            "Content-Type": "application/json",
+            "Authorization": f"Bearer {auth_token}",
+            "X-CSRFToken": csrf_token,
+        }
+        cookies = {"csrftoken": csrf_token}
+        response = requests.post(url, headers=headers, cookies=cookies, timeout=3)
+        response.raise_for_status()
+        data = response.json()
+        return data.get("detail")
+    except (requests.exceptions.RequestException, KeyError) as e:
+        print(f"Authentication failed: {e}")
+    except() as e:
+        print(e)
+
+    return None
+
+
+def update_dns_record(domain, record_name, record_type, new_content, auth_token, csrf_token):
+    """
+    Updates a specific RRSet in the iWay DNS forward zone.
+    """
+    url = f"https://backend.login.iway.ch/api/services/dns/forward/{domain}"
+    
+    headers = {
+        "Content-Type": "application/json",
+        "Authorization": auth_token,  # Use f"Bearer {auth_token}" if the API requires it
+        "X-CSRFToken": csrf_token
+    }
+    
+    cookies = {"csrftoken": csrf_token}
+
+    # The payload structure for updating an RRSet
+    payload = {
+        "rrsets": [
+            {
+                "name": record_name,
+                "type": record_type,
+                "ttl": 600,
+                "changetype": "REPLACE",
+                "records": [
+                    {
+                        "content": new_content,
+                        "disabled": False
+                    }
+                ]
+            }
+        ]
+    }
+    try:
+        # We use PATCH to update specific items in the rrsets list
+        response = requests.patch(url, json=payload, headers=headers, cookies=cookies, timeout=30)
+        response.raise_for_status()
+        return True
+    except requests.exceptions.RequestException as e:
+        print(f"Failed to update DNS: {e}")
+        if hasattr(e, 'response') and e.response is not None:
+            print(f"Response: {e.response.text}")
+        return False