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author | Erik Johnston <erikj@jki.re> | 2018-10-25 17:04:59 +0100 |
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committer | GitHub <noreply@github.com> | 2018-10-25 17:04:59 +0100 |
commit | c85e063302243d2c82da6e709cf1e93b5b3085e9 (patch) | |
tree | 05bde2fb78f07141bda83d0a4fa54f08c19ec55c /synapse/util | |
parent | Merge pull request #4081 from matrix-org/neilj/fix_mau_init (diff) | |
parent | Merge branch 'develop' of github.com:matrix-org/synapse into erikj/alias_disa... (diff) | |
download | synapse-c85e063302243d2c82da6e709cf1e93b5b3085e9.tar.xz |
Merge pull request #4051 from matrix-org/erikj/alias_disallow_list
Add config option to control alias creation
Diffstat (limited to 'synapse/util')
-rw-r--r-- | synapse/util/__init__.py | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/synapse/util/__init__.py b/synapse/util/__init__.py index 9a8fae0497..0ae7e2ef3b 100644 --- a/synapse/util/__init__.py +++ b/synapse/util/__init__.py @@ -14,6 +14,7 @@ # limitations under the License. import logging +import re from itertools import islice import attr @@ -138,3 +139,27 @@ def log_failure(failure, msg, consumeErrors=True): if not consumeErrors: return failure + + +def glob_to_regex(glob): + """Converts a glob to a compiled regex object. + + The regex is anchored at the beginning and end of the string. + + Args: + glob (str) + + Returns: + re.RegexObject + """ + res = '' + for c in glob: + if c == '*': + res = res + '.*' + elif c == '?': + res = res + '.' + else: + res = res + re.escape(c) + + # \A anchors at start of string, \Z at end of string + return re.compile(r"\A" + res + r"\Z", re.IGNORECASE) |