diff options
Diffstat (limited to 'synapse')
| -rw-r--r-- | synapse/appservice/__init__.py | 38 | ||||
| -rw-r--r-- | synapse/push/push_rule_evaluator.py | 104 | ||||
| -rw-r--r-- | synapse/types.py | 4 |
3 files changed, 78 insertions, 68 deletions
diff --git a/synapse/appservice/__init__.py b/synapse/appservice/__init__.py index b0106a3597..7346206bb1 100644 --- a/synapse/appservice/__init__.py +++ b/synapse/appservice/__init__.py @@ -13,6 +13,7 @@ # See the License for the specific language governing permissions and # limitations under the License. from synapse.api.constants import EventTypes +from synapse.util.caches.descriptors import cachedInlineCallbacks from twisted.internet import defer @@ -124,29 +125,23 @@ class ApplicationService(object): raise ValueError( "Expected bool for 'exclusive' in ns '%s'" % ns ) - if not isinstance(regex_obj.get("regex"), basestring): + regex = regex_obj.get("regex") + if isinstance(regex, basestring): + regex_obj["regex"] = re.compile(regex) # Pre-compile regex + else: raise ValueError( "Expected string for 'regex' in ns '%s'" % ns ) return namespaces - def _matches_regex(self, test_string, namespace_key, return_obj=False): - if not isinstance(test_string, basestring): - logger.error( - "Expected a string to test regex against, but got %s", - test_string - ) - return False - + def _matches_regex(self, test_string, namespace_key): for regex_obj in self.namespaces[namespace_key]: - if re.match(regex_obj["regex"], test_string): - if return_obj: - return regex_obj - return True - return False + if regex_obj["regex"].match(test_string): + return regex_obj + return None def _is_exclusive(self, ns_key, test_string): - regex_obj = self._matches_regex(test_string, ns_key, return_obj=True) + regex_obj = self._matches_regex(test_string, ns_key) if regex_obj: return regex_obj["exclusive"] return False @@ -166,7 +161,14 @@ class ApplicationService(object): if not store: defer.returnValue(False) - member_list = yield store.get_users_in_room(event.room_id) + does_match = yield self._matches_user_in_member_list(event.room_id, store) + defer.returnValue(does_match) + + @cachedInlineCallbacks(num_args=1, cache_context=True) + def _matches_user_in_member_list(self, room_id, store, cache_context): + member_list = yield store.get_users_in_room( + room_id, on_invalidate=cache_context.invalidate + ) # check joined member events for user_id in member_list: @@ -219,10 +221,10 @@ class ApplicationService(object): ) def is_interested_in_alias(self, alias): - return self._matches_regex(alias, ApplicationService.NS_ALIASES) + return bool(self._matches_regex(alias, ApplicationService.NS_ALIASES)) def is_interested_in_room(self, room_id): - return self._matches_regex(room_id, ApplicationService.NS_ROOMS) + return bool(self._matches_regex(room_id, ApplicationService.NS_ROOMS)) def is_exclusive_user(self, user_id): return ( diff --git a/synapse/push/push_rule_evaluator.py b/synapse/push/push_rule_evaluator.py index 4db76f18bd..4d88046579 100644 --- a/synapse/push/push_rule_evaluator.py +++ b/synapse/push/push_rule_evaluator.py @@ -17,6 +17,7 @@ import logging import re from synapse.types import UserID +from synapse.util.caches import CACHE_SIZE_FACTOR, register_cache from synapse.util.caches.lrucache import LruCache logger = logging.getLogger(__name__) @@ -125,6 +126,11 @@ class PushRuleEvaluatorForEvent(object): return self._value_cache.get(dotted_key, None) +# Caches (glob, word_boundary) -> regex for push. See _glob_matches +regex_cache = LruCache(50000 * CACHE_SIZE_FACTOR) +register_cache("regex_push_cache", regex_cache) + + def _glob_matches(glob, value, word_boundary=False): """Tests if value matches glob. @@ -137,46 +143,63 @@ def _glob_matches(glob, value, word_boundary=False): Returns: bool """ - try: - if IS_GLOB.search(glob): - r = re.escape(glob) - - r = r.replace(r'\*', '.*?') - r = r.replace(r'\?', '.') - - # handle [abc], [a-z] and [!a-z] style ranges. - r = GLOB_REGEX.sub( - lambda x: ( - '[%s%s]' % ( - x.group(1) and '^' or '', - x.group(2).replace(r'\\\-', '-') - ) - ), - r, - ) - if word_boundary: - r = r"\b%s\b" % (r,) - r = _compile_regex(r) - - return r.search(value) - else: - r = r + "$" - r = _compile_regex(r) - - return r.match(value) - elif word_boundary: - r = re.escape(glob) - r = r"\b%s\b" % (r,) - r = _compile_regex(r) - return r.search(value) - else: - return value.lower() == glob.lower() + try: + r = regex_cache.get((glob, word_boundary), None) + if not r: + r = _glob_to_re(glob, word_boundary) + regex_cache[(glob, word_boundary)] = r + return r.search(value) except re.error: logger.warn("Failed to parse glob to regex: %r", glob) return False +def _glob_to_re(glob, word_boundary): + """Generates regex for a given glob. + + Args: + glob (string) + word_boundary (bool): Whether to match against word boundaries or entire + string. Defaults to False. + + Returns: + regex object + """ + if IS_GLOB.search(glob): + r = re.escape(glob) + + r = r.replace(r'\*', '.*?') + r = r.replace(r'\?', '.') + + # handle [abc], [a-z] and [!a-z] style ranges. + r = GLOB_REGEX.sub( + lambda x: ( + '[%s%s]' % ( + x.group(1) and '^' or '', + x.group(2).replace(r'\\\-', '-') + ) + ), + r, + ) + if word_boundary: + r = r"\b%s\b" % (r,) + + return re.compile(r, flags=re.IGNORECASE) + else: + r = "^" + r + "$" + + return re.compile(r, flags=re.IGNORECASE) + elif word_boundary: + r = re.escape(glob) + r = r"\b%s\b" % (r,) + + return re.compile(r, flags=re.IGNORECASE) + else: + r = "^" + re.escape(glob) + "$" + return re.compile(r, flags=re.IGNORECASE) + + def _flatten_dict(d, prefix=[], result={}): for key, value in d.items(): if isinstance(value, basestring): @@ -185,16 +208,3 @@ def _flatten_dict(d, prefix=[], result={}): _flatten_dict(value, prefix=(prefix + [key]), result=result) return result - - -regex_cache = LruCache(5000) - - -def _compile_regex(regex_str): - r = regex_cache.get(regex_str, None) - if r: - return r - - r = re.compile(regex_str, flags=re.IGNORECASE) - regex_cache[regex_str] = r - return r diff --git a/synapse/types.py b/synapse/types.py index 9666f9d73f..c87ed813b9 100644 --- a/synapse/types.py +++ b/synapse/types.py @@ -216,9 +216,7 @@ class StreamToken( return self def copy_and_replace(self, key, new_value): - d = self._asdict() - d[key] = new_value - return StreamToken(**d) + return self._replace(**{key: new_value}) StreamToken.START = StreamToken( |