Merge pull request #196 from mampfes/allow_ssl_verify_false_for_ics

add support to disable ssl certificate verification for ics

custom_components/waste_collection_schedule/waste_collection_schedule/source/ics.py

@@ -132,6 +132,7 @@ class Source:
         method="GET",
         split_at=None,
         version=2,
+        verify_ssl=True,
     ):
         self._url = url
         self._file = file
@@ -144,6 +145,7 @@ class Source:
         self._params = params
         self._year_field = year_field  # replace this field in params with current year
         self._method = method  # The method to send the params
+        self._verify_ssl = verify_ssl
 
     def fetch(self):
         if self._url is not None:
@@ -182,9 +184,13 @@ class Source:
     def fetch_url(self, url, params=None):
         # get ics file
         if self._method == "GET":
-            r = requests.get(url, params=params, headers=HEADERS)
+            r = requests.get(
+                url, params=params, headers=HEADERS, verify=self._verify_ssl
+            )
         elif self._method == "POST":
-            r = requests.post(url, data=params, headers=HEADERS)
+            r = requests.post(
+                url, data=params, headers=HEADERS, verify=self._verify_ssl
+            )
         else:
             raise RuntimeError(
                 "Error: unknown method to fetch URL, use GET or POST; got {self._method}"

doc/source/ics.md

@@ -68,6 +68,7 @@ waste_collection_schedule:
         year_field: YEAR_FIELD
         split_at: SPLIT_AT
         version: 2
+        verify_ssl: VERIFY_SSL
 ```
 
 ### Configuration Variables
@@ -130,6 +131,15 @@ Selects the underlying ICS file parser:
 - version: 1 uses `recurring_ical_events`
 - version: 2 uses `icalevents`
 
+**verify_ssl**<br>
+*(boolean) (optional, default: True)*
+
+Allows do disable SSL certificate checks in case the HTTPS server of your service provider is misconfigured and therefore doesn't send intermediate certificates. Unlike browsers, python doesn't support automatic fetching of missing intermediates.
+
+Set this option to `False` if you see the following warning in the logs:
+
+`[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate`.
+
 ## Examples and Notes
 
 ***