Exception handling in Jarm processing module

Author: stoerchl

crawler/processing/jarm_processing.py

@@ -1,9 +1,8 @@
 # © Copyright 2021 HP Development Company, L.P.
 from urllib.parse import urlparse
-
 from jarm.scanner.scanner import Scanner
-
 from .default_processing import DefaultProcessing
+import requests
 
 
 class JARMProcessing(DefaultProcessing):
@@ -17,9 +16,13 @@ def __init__(self, config, logger):
 
     def process(self, url, resp):
         jarm_scan = {}
-        domain = urlparse(url).netloc
-        result = Scanner.scan(domain, 443)
-        jarm_scan["fingerprint"] = result[0]
-        jarm_scan["domain"] = result[1]
-        jarm_scan["port"] = result[2]
+        try:
+            domain = urlparse(url).netloc
+            res = requests.get("https://" + domain) # Leads on purpose to an exception if connection is refused
+            result = Scanner.scan(domain, 443)
+            jarm_scan["fingerprint"] = result[0]
+            jarm_scan["domain"] = result[1]
+            jarm_scan["port"] = result[2]
+        except Exception:
+            pass
         return jarm_scan