bot: Update ssl parsing

bot.py

@@ -9,7 +9,8 @@ import subprocess
 import tempfile
 import re
 import binascii
-import ssl
+from cryptography import x509
+from cryptography.hazmat.backends import default_backend
 
 
 load_dotenv()
@@ -203,22 +204,19 @@ async def ssl(ctx, domain: str):
 
 
             # Get domains
-            x509 = ssl.load_certificate(ssl.PEM_cert_to_DER_cert(cert.encode("utf-8")))
-            domains = []
-            try:
-                san_list = x509.get_extension_by_oid("subjectAltName")
-                san_list = san_list._subjectAltNameString().split(", ")
-                domains.extend(san_list)
-            except Exception as e:
-                print(e, flush=True)
+            cert_obj = x509.load_pem_x509_certificate(cert.encode("utf-8"), default_backend())
+
+            domains = []
+            for ext in cert_obj.extensions:
+                if ext.oid == x509.ExtensionOID.SUBJECT_ALTERNATIVE_NAME:
+                    san_list = ext.value.get_values_for_type(x509.DNSName)
+                    domains.extend(san_list)
+            
+            # Extract the common name (CN) from the subject
+            common_name = cert_obj.subject.get_attributes_for_oid(x509.NameOID.COMMON_NAME)
+            if common_name:
+                domains.append(common_name[0].value)
 
-            try:
-                subject = x509.get_subject()
-                common_name = subject.CN
-                if common_name:
-                    domains.append(common_name)
-            except Exception as e:
-                print(e, flush=True)
 
             if domains:
                 message = message + "\n## SSL Domains:\n"