Wildcards can be used within filters

filters.py

@@ -8,6 +8,7 @@ __status__ = "Production"
 __module_group__ = "Moderation"
 
 import os
+import fnmatch
 from utils import data_dir
 from utils import acct_dir
 from utils import text_in_file
@@ -123,6 +124,18 @@ def _is_twitter_post(content: str) -> bool:
     return False
 
 
+def filtered_match(filter_str: str, content: str) -> bool:
+    """Does the given filter match the content?
+    """
+    if '*' not in filter_str:
+        if filter_str in content:
+            return True
+    elif fnmatch.fnmatchcase(content, filter_str):
+        return True
+
+    return False
+
+
 def _is_filtered_base(filename: str, content: str,
                       system_language: str) -> bool:
     """Uses the given file containing filtered words to check
@@ -146,12 +159,12 @@ def _is_filtered_base(filename: str, content: str,
                 if len(filter_str) < 2:
                     continue
                 if '+' not in filter_str:
-                    if filter_str in content:
+                    if filtered_match(filter_str, content):
                         return True
                 else:
                     filter_words = filter_str.replace('"', '').split('+')
-                    for word in filter_words:
-                        if word not in content:
+                    for filter_wrd in filter_words:
+                        if not filtered_match(filter_wrd, content):
                             return False
                     return True
     except OSError as ex:

tests.py

@@ -231,6 +231,7 @@ from conversation import convthread_id_to_conversation_tag
 from webapp_utils import add_emoji_to_display_name
 from blocking import is_blocked_nickname
 from blocking import is_blocked_domain
+from filters import filtered_match
 
 
 TEST_SERVER_GROUP_RUNNING = False
@@ -9251,6 +9252,15 @@ def _test_blocking_domain(base_dir: str) -> None:
                              block_federated)
 
 
+def _test_filter_match() -> None:
+    print('filter match')
+    assert not filtered_match('cycle', 'Some text.')
+    assert filtered_match('text', 'Some text.')
+    assert filtered_match('* text.', 'Some text.')
+    assert not filtered_match('* text', 'Some text.')
+    assert filtered_match('* text*', 'Some text.')
+
+
 def run_all_tests():
     base_dir = os.getcwd()
     data_dir_testing(base_dir)
@@ -9269,6 +9279,7 @@ def run_all_tests():
     _test_checkbox_names()
     _test_thread_functions()
     _test_functions()
+    _test_filter_match()
     _test_blocking_domain(base_dir)
     _test_blocking_nick(base_dir)
     _test_conversation_to_convthread()