initial commit

aws_lambda/lambda_function.py

@@ -0,0 +1,46 @@
+import requests
+import ssl
+import socket
+from datetime import datetime
+
+def get_ssl_info(hostname, port=443):
+    try:
+        ctx = ssl.create_default_context()
+        with socket.create_connection((hostname, port), timeout=10) as sock:
+            with ctx.wrap_socket(sock, server_hostname=hostname) as ssock:
+                cert = ssock.getpeercert()
+                issuer = dict(x[0] for x in cert['issuer'])
+                not_after = datetime.strptime(cert['notAfter'], "%b %d %H:%M:%S %Y %Z")
+                return {
+                    "issuer": issuer.get("organizationName", "Unknown"),
+                    "expiry": not_after.strftime("%Y-%m-%d %H:%M:%S"),
+                    "valid": not_after > datetime.utcnow()
+                }
+    except Exception as e:
+        return {"error": str(e)}
+
+def lambda_handler(event, context):
+    """
+    Expects event = {"domains": ["rossmanith.family", "vaishnavi.house"]}
+    """
+    domains = event.get("domains", [])
+    results = {}
+
+    for domain in domains:
+        url = f"https://{domain}"
+        domain_result = {}
+        try:
+            resp = requests.get(url, timeout=10)
+            domain_result["status_code"] = resp.status_code
+            domain_result["reachable"] = resp.status_code == 200
+        except requests.exceptions.RequestException as e:
+            domain_result["error"] = str(e)
+            domain_result["reachable"] = False
+
+        # SSL info
+        ssl_info = get_ssl_info(domain)
+        domain_result["ssl"] = ssl_info
+
+        results[domain] = domain_result
+
+    return results