bitwarden lookup fix get_field (#7061)

* bitwarden lookup rewrite `get_field`

* add changelog fragment

* PEP8 add newline

* Update changelogs/fragments/7061-fix-bitwarden-get_field.yml

Co-authored-by: Felix Fontein <felix@fontein.de>

* Update plugins/lookup/bitwarden.py

Co-authored-by: Felix Fontein <felix@fontein.de>

* Update plugins/lookup/bitwarden.py

Co-authored-by: Felix Fontein <felix@fontein.de>

* Update plugins/lookup/bitwarden.py

Co-authored-by: Felix Fontein <felix@fontein.de>

---------

Co-authored-by: Simon <simonleary@umass.edu>
Co-authored-by: Felix Fontein <felix@fontein.de>

changelogs/fragments/7061-fix-bitwarden-get_field.yml

@@ -0,0 +1,2 @@
+bugfixes:
+  - bitwarden lookup plugin - the plugin made assumptions about the structure of a Bitwarden JSON object which may have been broken by an update in the Bitwarden API. Remove assumptions, and allow queries for general fields such as ``notes`` (https://github.com/ansible-collections/community.general/pull/7061).

plugins/lookup/bitwarden.py

@@ -132,20 +132,29 @@ class Bitwarden(object):
         If field is None, return the whole record for each match.
         """
         matches = self._get_matches(search_value, search_field, collection_id)
-
-        if field in ['autofillOnPageLoad', 'password', 'passwordRevisionDate', 'totp', 'uris', 'username']:
-            return [match['login'][field] for match in matches]
-        elif not field:
+        if not field:
             return matches
-        else:
-            custom_field_matches = []
-            for match in matches:
+        field_matches = []
+        for match in matches:
+            # if there are no custom fields, then `match` has no key 'fields'
+            if 'fields' in match:
+                custom_field_found = False
                 for custom_field in match['fields']:
-                    if custom_field['name'] == field:
-                        custom_field_matches.append(custom_field['value'])
-            if matches and not custom_field_matches:
-                raise AnsibleError("Custom field {field} does not exist in {search_value}".format(field=field, search_value=search_value))
-            return custom_field_matches
+                    if field == custom_field['name']:
+                        field_matches.append(custom_field['value'])
+                        custom_field_found = True
+                        break
+                if custom_field_found:
+                    continue
+            if 'login' in match and field in match['login']:
+                field_matches.append(match['login'][field])
+                continue
+            if field in match:
+                field_matches.append(match[field])
+                continue
+        if matches and not field_matches:
+            raise AnsibleError("field {field} does not exist in {search_value}".format(field=field, search_value=search_value))
+        return field_matches
 
 
 class LookupModule(LookupBase):