From 9fafdfa97d87006177d13d4b80aeebfc4ded4bee Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Thu, 18 Oct 2018 14:21:09 +0100 Subject: [PATCH] Anchor returned regex to start and end of string --- synapse/util/__init__.py | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/synapse/util/__init__.py b/synapse/util/__init__.py index 163e4b35f..0ae7e2ef3 100644 --- a/synapse/util/__init__.py +++ b/synapse/util/__init__.py @@ -142,7 +142,9 @@ def log_failure(failure, msg, consumeErrors=True): def glob_to_regex(glob): - """Converts a glob to a compiled regex object + """Converts a glob to a compiled regex object. + + The regex is anchored at the beginning and end of the string. Args: glob (str) @@ -158,4 +160,6 @@ def glob_to_regex(glob): res = res + '.' else: res = res + re.escape(c) - return re.compile(res + "\\Z", re.IGNORECASE) + + # \A anchors at start of string, \Z at end of string + return re.compile(r"\A" + res + r"\Z", re.IGNORECASE)