From 01294e6b3a5c6ba909a0e70dad97a9ce7fdb64b9 Mon Sep 17 00:00:00 2001 From: Patrick Cloke Date: Thu, 16 Apr 2020 10:52:55 -0400 Subject: Do not treat display names as globs for push rules. (#7271) --- synapse/push/push_rule_evaluator.py | 69 +++++++++++++++++++++---------------- 1 file changed, 39 insertions(+), 30 deletions(-) (limited to 'synapse/push') diff --git a/synapse/push/push_rule_evaluator.py b/synapse/push/push_rule_evaluator.py index b1587183a8..4cd702b5fa 100644 --- a/synapse/push/push_rule_evaluator.py +++ b/synapse/push/push_rule_evaluator.py @@ -16,9 +16,11 @@ import logging import re +from typing import Pattern from six import string_types +from synapse.events import EventBase from synapse.types import UserID from synapse.util.caches import CACHE_SIZE_FACTOR, register_cache from synapse.util.caches.lrucache import LruCache @@ -56,18 +58,18 @@ def _test_ineq_condition(condition, number): rhs = m.group(2) if not rhs.isdigit(): return False - rhs = int(rhs) + rhs_int = int(rhs) if ineq == "" or ineq == "==": - return number == rhs + return number == rhs_int elif ineq == "<": - return number < rhs + return number < rhs_int elif ineq == ">": - return number > rhs + return number > rhs_int elif ineq == ">=": - return number >= rhs + return number >= rhs_int elif ineq == "<=": - return number <= rhs + return number <= rhs_int else: return False @@ -83,7 +85,13 @@ def tweaks_for_actions(actions): class PushRuleEvaluatorForEvent(object): - def __init__(self, event, room_member_count, sender_power_level, power_levels): + def __init__( + self, + event: EventBase, + room_member_count: int, + sender_power_level: int, + power_levels: dict, + ): self._event = event self._room_member_count = room_member_count self._sender_power_level = sender_power_level @@ -92,7 +100,7 @@ class PushRuleEvaluatorForEvent(object): # Maps strings of e.g. 'content.body' -> event["content"]["body"] self._value_cache = _flatten_dict(event) - def matches(self, condition, user_id, display_name): + def matches(self, condition: dict, user_id: str, display_name: str) -> bool: if condition["kind"] == "event_match": return self._event_match(condition, user_id) elif condition["kind"] == "contains_display_name": @@ -106,7 +114,7 @@ class PushRuleEvaluatorForEvent(object): else: return True - def _event_match(self, condition, user_id): + def _event_match(self, condition: dict, user_id: str) -> bool: pattern = condition.get("pattern", None) if not pattern: @@ -134,7 +142,7 @@ class PushRuleEvaluatorForEvent(object): return _glob_matches(pattern, haystack) - def _contains_display_name(self, display_name): + def _contains_display_name(self, display_name: str) -> bool: if not display_name: return False @@ -142,51 +150,52 @@ class PushRuleEvaluatorForEvent(object): if not body: return False - return _glob_matches(display_name, body, word_boundary=True) + # Similar to _glob_matches, but do not treat display_name as a glob. + r = regex_cache.get((display_name, False, True), None) + if not r: + r = re.escape(display_name) + r = _re_word_boundary(r) + r = re.compile(r, flags=re.IGNORECASE) + regex_cache[(display_name, False, True)] = r + + return r.search(body) - def _get_value(self, dotted_key): + def _get_value(self, dotted_key: str) -> str: return self._value_cache.get(dotted_key, None) -# Caches (glob, word_boundary) -> regex for push. See _glob_matches +# Caches (string, is_glob, word_boundary) -> regex for push. See _glob_matches regex_cache = LruCache(50000 * CACHE_SIZE_FACTOR) register_cache("cache", "regex_push_cache", regex_cache) -def _glob_matches(glob, value, word_boundary=False): +def _glob_matches(glob: str, value: str, word_boundary: bool = False) -> bool: """Tests if value matches glob. Args: - glob (string) - value (string): String to test against glob. - word_boundary (bool): Whether to match against word boundaries or entire + glob + value: String to test against glob. + word_boundary: Whether to match against word boundaries or entire string. Defaults to False. - - Returns: - bool """ try: - r = regex_cache.get((glob, word_boundary), None) + r = regex_cache.get((glob, True, word_boundary), None) if not r: r = _glob_to_re(glob, word_boundary) - regex_cache[(glob, word_boundary)] = r + regex_cache[(glob, True, word_boundary)] = r return r.search(value) except re.error: logger.warning("Failed to parse glob to regex: %r", glob) return False -def _glob_to_re(glob, word_boundary): +def _glob_to_re(glob: str, word_boundary: bool) -> Pattern: """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 + glob + word_boundary: Whether to match against word boundaries or entire string. """ if IS_GLOB.search(glob): r = re.escape(glob) @@ -219,7 +228,7 @@ def _glob_to_re(glob, word_boundary): return re.compile(r, flags=re.IGNORECASE) -def _re_word_boundary(r): +def _re_word_boundary(r: str) -> str: """ Adds word boundary characters to the start and end of an expression to require that the match occur as a whole word, -- cgit 1.4.1 From edd3b0747cc651d224fc1bf81ae7fbd6a25a2ea5 Mon Sep 17 00:00:00 2001 From: Patrick Cloke Date: Wed, 13 May 2020 08:24:50 -0400 Subject: Fix new flake8 errors (#7489) This is a cherry-pick of 1a1da60ad2c9172fe487cd38a164b39df60f4cb5 (#7470) to the release-v1.13.0 branch. --- changelog.d/7470.misc | 1 + synapse/app/_base.py | 5 +++-- synapse/config/server.py | 2 +- synapse/notifier.py | 10 ++++++---- synapse/push/mailer.py | 7 +++++-- synapse/storage/database.py | 4 ++-- tests/config/test_load.py | 2 +- 7 files changed, 19 insertions(+), 12 deletions(-) create mode 100644 changelog.d/7470.misc (limited to 'synapse/push') diff --git a/changelog.d/7470.misc b/changelog.d/7470.misc new file mode 100644 index 0000000000..45e66ecf48 --- /dev/null +++ b/changelog.d/7470.misc @@ -0,0 +1 @@ +Fix linting errors in new version of Flake8. diff --git a/synapse/app/_base.py b/synapse/app/_base.py index 628292b890..dedff81af3 100644 --- a/synapse/app/_base.py +++ b/synapse/app/_base.py @@ -22,6 +22,7 @@ import sys import traceback from daemonize import Daemonize +from typing_extensions import NoReturn from twisted.internet import defer, error, reactor from twisted.protocols.tls import TLSMemoryBIOFactory @@ -139,9 +140,9 @@ def start_reactor( run() -def quit_with_error(error_string): +def quit_with_error(error_string: str) -> NoReturn: message_lines = error_string.split("\n") - line_length = max(len(l) for l in message_lines if len(l) < 80) + 2 + line_length = max(len(line) for line in message_lines if len(line) < 80) + 2 sys.stderr.write("*" * line_length + "\n") for line in message_lines: sys.stderr.write(" %s\n" % (line.rstrip(),)) diff --git a/synapse/config/server.py b/synapse/config/server.py index 6d88231843..ed28da3deb 100644 --- a/synapse/config/server.py +++ b/synapse/config/server.py @@ -522,7 +522,7 @@ class ServerConfig(Config): ) def has_tls_listener(self) -> bool: - return any(l["tls"] for l in self.listeners) + return any(listener["tls"] for listener in self.listeners) def generate_config_section( self, server_name, data_dir_path, open_private_ports, listeners, **kwargs diff --git a/synapse/notifier.py b/synapse/notifier.py index 71d9ed62b0..87c120a59c 100644 --- a/synapse/notifier.py +++ b/synapse/notifier.py @@ -15,7 +15,7 @@ import logging from collections import namedtuple -from typing import Callable, List +from typing import Callable, Iterable, List, TypeVar from prometheus_client import Counter @@ -42,12 +42,14 @@ users_woken_by_stream_counter = Counter( "synapse_notifier_users_woken_by_stream", "", ["stream"] ) +T = TypeVar("T") + # TODO(paul): Should be shared somewhere -def count(func, l): - """Return the number of items in l for which func returns true.""" +def count(func: Callable[[T], bool], it: Iterable[T]) -> int: + """Return the number of items in it for which func returns true.""" n = 0 - for x in l: + for x in it: if func(x): n += 1 return n diff --git a/synapse/push/mailer.py b/synapse/push/mailer.py index 73580c1c6c..ab33abbeed 100644 --- a/synapse/push/mailer.py +++ b/synapse/push/mailer.py @@ -19,6 +19,7 @@ import logging import time from email.mime.multipart import MIMEMultipart from email.mime.text import MIMEText +from typing import Iterable, List, TypeVar from six.moves import urllib @@ -41,6 +42,8 @@ from synapse.visibility import filter_events_for_client logger = logging.getLogger(__name__) +T = TypeVar("T") + MESSAGE_FROM_PERSON_IN_ROOM = ( "You have a message on %(app)s from %(person)s in the %(room)s room..." @@ -638,10 +641,10 @@ def safe_text(raw_text): ) -def deduped_ordered_list(l): +def deduped_ordered_list(it: Iterable[T]) -> List[T]: seen = set() ret = [] - for item in l: + for item in it: if item not in seen: seen.add(item) ret.append(item) diff --git a/synapse/storage/database.py b/synapse/storage/database.py index a7cd97b0b0..50f475bfd3 100644 --- a/synapse/storage/database.py +++ b/synapse/storage/database.py @@ -212,9 +212,9 @@ class LoggingTransaction: def executemany(self, sql: str, *args: Any): self._do_execute(self.txn.executemany, sql, *args) - def _make_sql_one_line(self, sql): + def _make_sql_one_line(self, sql: str) -> str: "Strip newlines out of SQL so that the loggers in the DB are on one line" - return " ".join(l.strip() for l in sql.splitlines() if l.strip()) + return " ".join(line.strip() for line in sql.splitlines() if line.strip()) def _do_execute(self, func, sql, *args): sql = self._make_sql_one_line(sql) diff --git a/tests/config/test_load.py b/tests/config/test_load.py index b3e557bd6a..734a9983e8 100644 --- a/tests/config/test_load.py +++ b/tests/config/test_load.py @@ -122,7 +122,7 @@ class ConfigLoadingTestCase(unittest.TestCase): with open(self.file, "r") as f: contents = f.readlines() - contents = [l for l in contents if needle not in l] + contents = [line for line in contents if needle not in line] with open(self.file, "w") as f: f.write("".join(contents)) -- cgit 1.4.1