diff --git a/base-config.yaml b/base-config.yaml index a0f595f..2111378 100644 --- a/base-config.yaml +++ b/base-config.yaml @@ -12,10 +12,9 @@ spam_sleep: 2 command_prefix: "rss" # Default post notification template for new subscriptions notification_template: "New post in $feed_title: [$title]($link)" -# Per-run summary logfile: one line per poll run with feeds/evaluated/selected/filtered/failed counts. -# Absoluut pad in de container aanraden: /data is de persistente maubot-mount (host: /matrix/maubot/data). -# Leeg = uitgeschakeld. -run_log_file: /data/buzzrss-runs.log +# Should non-admin users be allowed to set regex filters to drop posts from feeds? +# Regexes are dangerous and may lead to DoS attacks. +allow_filter: false # Exclude paywalled articles (Telegraaf/NHD markeren dit met true) exclude_paywalled: true # Global match filter (whitelist): applies to ALL feeds in this instance. diff --git a/buzzrss/bot.py b/buzzrss/bot.py index 1a4d48e..5c6f894 100644 --- a/buzzrss/bot.py +++ b/buzzrss/bot.py @@ -15,7 +15,7 @@ # along with this program. If not, see . from __future__ import annotations -from typing import Any +from typing import Any, Iterable from datetime import datetime, timezone from string import Template from time import mktime, monotonic, time @@ -23,7 +23,6 @@ import asyncio import hashlib import html import io -import logging import re import aiohttp @@ -72,7 +71,6 @@ class Config(BaseProxyConfig): helper.copy("allow_filter") helper.copy("exclude_paywalled") helper.copy("match_filter") - helper.copy("run_log_file") helper.copy("admins") @@ -96,8 +94,6 @@ class RSSBot(Plugin): exclude_paywalled: bool = False poll_task: asyncio.Future poll_sema: asyncio.Semaphore | None - _run_logger: logging.Logger | None = None - _run_handler: logging.FileHandler | None = None http: aiohttp.ClientSession power_level_cache: dict[RoomID, tuple[int, PowerLevelStateEventContent, StateEvent]] @@ -125,30 +121,10 @@ class RSSBot(Plugin): ) # single-instance fork: class-level since _parse_rss is a classmethod type(self).exclude_paywalled = bool(self.config["exclude_paywalled"]) - self._setup_run_log() - - def _setup_run_log(self) -> None: - if self._run_logger: - for handler in list(self._run_logger.handlers): - self._run_logger.removeHandler(handler) - handler.close() - self._run_logger = None - self._run_handler = None - run_log_file = self.config["run_log_file"] if "run_log_file" in self.config else "" - if not run_log_file: - return - self._run_handler = logging.FileHandler(run_log_file, encoding="utf-8") - self._run_handler.setFormatter(logging.Formatter("%(asctime)s %(message)s")) - self._run_logger = logging.getLogger(f"{self.log.name}.runlog") - self._run_logger.setLevel(logging.INFO) - self._run_logger.propagate = False - self._run_logger.addHandler(self._run_handler) async def stop(self) -> None: await super().stop() self.poll_task.cancel() - if self._run_handler: - self._run_handler.close() async def poll_feeds(self) -> None: try: @@ -158,48 +134,30 @@ class RSSBot(Plugin): except Exception: self.log.exception("Fatal error while polling feeds") - @staticmethod - def _matches_in(text: str, match_filter: str) -> int: - """Aantal aaneengesloten match-clusters in text (0 als geen match). - Aaneengesloten matches (bv 'NS-trein', 'openbaar vervoer') tellen als 1.""" - spans = sorted((m.start(), m.end()) for m in re.finditer(match_filter, text)) - if not spans: - return 0 - clusters, prev_end = 1, spans[0][1] - for s, e in spans[1:]: - if s - prev_end <= 1: - prev_end = max(prev_end, e) - else: - clusters += 1 - prev_end = e - return clusters - @staticmethod def _filter_score(title: str, summary: str, match_filter: str) -> int: - """Score = 2× hits in titel + 1× hits in summary.""" - return 2 * RSSBot._matches_in(title, match_filter) + RSSBot._matches_in(summary, match_filter) + """Score = 2× hits in titel + 1× hits in summary. Aaneengesloten matches + (bv 'NS-trein', 'openbaar vervoer') tellen als 1 cluster.""" + def count(text: str) -> int: + spans = sorted((m.start(), m.end()) for m in re.finditer(match_filter, text)) + if not spans: + return 0 + clusters, prev_end = 1, spans[0][1] + for s, e in spans[1:]: + if s - prev_end <= 1: + prev_end = max(prev_end, e) + else: + clusters += 1 + prev_end = e + return clusters + return 2 * count(title) + count(summary) - @staticmethod - def _filter_passes(title: str, summary: str, match_filter: str) -> bool: - """Regel C: doorlaten bij (titel-match >= 1) of (totaalscore >= 3). - - Een OV-trefwoord in de titel is een sterke intentieverklaring (score 2 - volstaat). Treffers alleen in de samenvatting moeten dubbel bevestigd - worden (>= 3): zo houdt 'bussen rijden om' in de lead van een - woningbrand-bericht het artikel niet meer binnen.""" - if RSSBot._matches_in(title, match_filter) >= 1: - return True - return RSSBot._filter_score(title, summary, match_filter) >= 3 - - async def _send( - self, feed: Feed, entry: Entry, sub: Subscription, *, check_filter: bool = True - ) -> EventID | None: - if check_filter: - match_filter = self.config["match_filter"] - if match_filter: - summary = html.unescape(re.sub(r"<[^>]+>", "", entry.summary)) - if not self._filter_passes(entry.title, summary, match_filter): - return None + async def _send(self, feed: Feed, entry: Entry, sub: Subscription) -> EventID | None: + match_filter = self.config["match_filter"] + if match_filter: + summary = html.unescape(re.sub(r"<[^>]+>", "", entry.summary)) + if self._filter_score(entry.title, summary, match_filter) < 2: + return None message = sub.notification_template.safe_substitute( { @@ -217,65 +175,36 @@ class RSSBot(Plugin): ) except Exception as e: self.log.warning(f"Failed to send {entry.id} of {feed.id} to {sub.room_id}: {e}") - return None async def _broadcast( self, feed: Feed, entry: Entry, subscriptions: list[Subscription] - ) -> tuple[int, int, int]: - """Send entry to all subs. Returns (placed, filtered, failed). - - placed = 1 when at least one room received the message - filtered = 1 when the global match filter rejected the entry - failed = number of subscriptions where sending failed - """ + ) -> None: self.log.debug(f"Broadcasting {entry.id} of {feed.id}") - match_filter = self.config["match_filter"] - if match_filter: - summary = html.unescape(re.sub(r"<[^>]+>", "", entry.summary)) - if not self._filter_passes(entry.title, summary, match_filter): - return 0, 1, 0 spam_sleep = self.config["spam_sleep"] + tasks = [self._send(feed, entry, sub) for sub in subscriptions] if spam_sleep >= 0: - results: list[EventID | None] = [] - for sub in subscriptions: - results.append(await self._send(feed, entry, sub, check_filter=False)) + for task in tasks: + await task await asyncio.sleep(spam_sleep) else: - results = await asyncio.gather( - *(self._send(feed, entry, sub, check_filter=False) for sub in subscriptions) - ) - sent = sum(1 for result in results if result is not None) - return (1 if sent else 0, 0, len(results) - sent) + await asyncio.gather(*tasks) async def _poll_once(self) -> None: subs = await self.dbm.get_feeds() if not subs: - self._log_run_summary(0, 0, 0, 0, 0, 0, 0.0) return now = int(time()) start = monotonic() tasks = [self.try_parse_feed(feed=feed) for feed in subs if feed.next_retry < now] feed: Feed - entries: list[Entry] | None + entries: Iterable[Entry] self.log.info(f"Polling {len(tasks)} feeds") - evaluated_total = 0 - placed_total = 0 - filtered_total = 0 - failed_total = 0 - unchanged_total = 0 for res in asyncio.as_completed(tasks): feed, entries = await res self.log.trace( f"Fetching {feed.id} (backoff: {feed.error_count} / {feed.next_retry}) " - f"success: {entries is not None}" + f"success: {bool(entries)}" ) - if entries is None: - # Feed returned 304: unchanged, no new entries, no error. - unchanged_total += 1 - if feed.error_count > 0: - self.log.debug(f"Resetting backoff of {feed.id}") - await self.dbm.set_backoff(feed, error_count=0, next_retry=0) - continue if not entries: error_count = feed.error_count + 1 next_retry_delay = self.config["update_interval"] * 60 * error_count @@ -296,46 +225,13 @@ class RSSBot(Plugin): self.log.trace( f"Feed {feed.id} had {len(new_entries)} new entries (of {len(entries)} total)" ) - evaluated_total += len(entries) new_entry_list: list[Entry] = list(new_entries.values()) new_entry_list.sort(key=lambda entry: (entry.date, entry.id)) await self.dbm.add_entries(new_entry_list) for entry in new_entry_list: - placed, filtered, failed = await self._broadcast( - feed, entry, feed.subscriptions - ) - placed_total += placed - filtered_total += filtered - failed_total += failed + await self._broadcast(feed, entry, feed.subscriptions) duration = monotonic() - start - self._log_run_summary( - len(tasks), - evaluated_total, - placed_total, - filtered_total, - failed_total, - unchanged_total, - duration, - ) - - def _log_run_summary( - self, - feeds: int, - evaluated: int, - selected: int, - filtered: int, - failed: int, - unchanged: int, - duration: float, - ) -> None: - line = ( - f"run complete feeds={feeds} evaluated={evaluated} selected={selected} " - f"filtered={filtered} failed={failed} unchanged={unchanged} " - f"duration={duration:.2f}s" - ) - self.log.info(f"Finished polling {feeds} feeds in {duration:.2f} seconds: {line}") - if self._run_logger: - self._run_logger.info(line) + self.log.info(f"Finished polling {len(tasks)} feeds in {duration:.2f} seconds") async def _poll_feeds(self) -> None: self.log.debug("Polling started") @@ -344,19 +240,18 @@ class RSSBot(Plugin): await self._poll_once() except asyncio.CancelledError: self.log.debug("Polling stopped") - raise except Exception: self.log.exception("Error while polling feeds") await asyncio.sleep(self.config["update_interval"] * 60) - async def try_parse_feed(self, feed: Feed | None = None) -> tuple[Feed, list[Entry] | None]: + async def try_parse_feed(self, feed: Feed | None = None) -> tuple[Feed, list[Entry]]: if self.poll_sema is not None: async with self.poll_sema: return await self._try_parse_feed(feed) else: return await self._try_parse_feed(feed) - async def _try_parse_feed(self, feed: Feed | None = None) -> tuple[Feed, list[Entry] | None]: + async def _try_parse_feed(self, feed: Feed | None = None) -> tuple[Feed, list[Entry]]: try: self.log.trace( f"Trying to fetch {feed.id} / {feed.url} " @@ -375,35 +270,18 @@ class RSSBot(Plugin): async def parse_feed( self, *, feed: Feed | None = None, url: str | None = None - ) -> tuple[Feed, list[Entry] | None]: + ) -> tuple[Feed, list[Entry]]: if feed is None: if url is None: raise ValueError("Either feed or url must be set") feed = Feed(id=-1, url=url, title="", subtitle="", link="") elif url is not None: raise ValueError("Only one of feed or url must be set") - headers = self._feed_get_headers - if feed.id > 0: - if feed.etag: - headers["If-None-Match"] = feed.etag - if feed.last_modified: - headers["If-Modified-Since"] = feed.last_modified resp = await self.http.get( feed.url, - headers=headers, + headers=self._feed_get_headers, timeout=aiohttp.ClientTimeout(total=20), ) - if resp.status == 304: - # Feed unchanged since last fetch: no new entries, no error. - return feed, None - etag = resp.headers.get("ETag", "") - last_modified = resp.headers.get("Last-Modified", "") - if feed.id > 0 and (etag or last_modified): - feed.etag, feed.last_modified = etag, last_modified - try: - await self.dbm.set_feed_headers(feed, etag, last_modified) - except Exception: - self.log.debug(f"Failed to store fetch headers of {feed.id}") ct = resp.headers["Content-Type"].split(";")[0].strip() if ct == "application/json" or ct == "application/feed+json": return await self._parse_json(feed, resp) @@ -439,10 +317,7 @@ class RSSBot(Plugin): ).strip() id = str(entry["id"]) link = entry.get("url") or id - return Entry( - feed_id=feed_id, id=id, date=date, title=title, summary=summary, link=link, - paywalled=cls._is_paywalled_link(link), - ) + return Entry(feed_id=feed_id, id=id, date=date, title=title, summary=summary, link=link) @classmethod async def _parse_rss( @@ -463,12 +338,6 @@ class RSSBot(Plugin): entries = [e for e in entries if not e.paywalled] return feed, entries - @staticmethod - def _is_paywalled_link(link: str) -> bool: - # DPG Media premium articles live under /ps/ (Parool/VK/Trouw feeds - # carry no paywall marker; the /ps/ path is the only reliable signal). - return "/ps/" in (link or "") - @classmethod def _parse_rss_entry(cls, feed_id: int, entry: Any) -> Entry: return Entry( @@ -489,14 +358,7 @@ class RSSBot(Plugin): title=getattr(entry, "title", ""), summary=getattr(entry, "description", "").strip(), link=getattr(entry, "link", ""), - paywalled=( - # Telegraaf/NHD convention: true - str(getattr(entry, "premium", "")).lower() == "true" - # DPG Media (AD/Volkskrant/Parool/Trouw): true - or str(getattr(entry, "dpp_paid", "")).lower() == "true" - # DPG Media /ps/ premium path (Parool/VK/Trouw carry no marker) - or cls._is_paywalled_link(getattr(entry, "link", "")) - ), + paywalled=str(getattr(entry, "premium", "")).lower() == "true", ) @staticmethod diff --git a/buzzrss/db.py b/buzzrss/db.py index b043edb..65e33b3 100644 --- a/buzzrss/db.py +++ b/buzzrss/db.py @@ -64,8 +64,6 @@ class Feed: next_retry: int = 0 error_count: int = 0 - etag: str = "" - last_modified: str = "" subscriptions: list[Subscription] = attr.ib(factory=lambda: []) @@ -121,7 +119,7 @@ class DBManager: async def get_feeds(self) -> list[Feed]: q = """ - SELECT id, url, title, subtitle, link, next_retry, error_count, etag, last_modified, + SELECT id, url, title, subtitle, link, next_retry, error_count, room_id, user_id, notification_template, send_notice FROM feed INNER JOIN subscription ON feed.id = subscription.feed_id """ @@ -137,19 +135,25 @@ class DBManager: async def get_feeds_by_room(self, room_id: RoomID) -> list[tuple[Feed, UserID]]: q = """ - SELECT id, url, title, subtitle, link, next_retry, error_count, etag, last_modified, - user_id FROM feed + SELECT id, url, title, subtitle, link, next_retry, error_count, user_id FROM feed INNER JOIN subscription ON feed.id = subscription.feed_id AND subscription.room_id = $1 """ rows = await self.db.fetch(q, room_id) return [(Feed.from_row(row), row["user_id"]) for row in rows] async def filter_entries(self, feed_id: int, entries: dict[str, Entry]) -> None: - if not entries: + entry_keys = list(entries.keys()) + if not entry_keys: return - existing = await self.db.fetch("SELECT id FROM entry WHERE feed_id = $1", feed_id) - for row in existing: - entries.pop(row["id"], None) + async with self.db.acquire() as conn: + for key in entry_keys: + exists = await conn.fetchval( + "SELECT EXISTS(SELECT 1 FROM entry WHERE feed_id = $1 AND id = $2)", + feed_id, + key, + ) + if exists: + del entries[key] async def add_entries(self, entries: list[Entry], override_feed_id: int | None = None) -> None: if not entries: @@ -170,14 +174,14 @@ class DBManager: await conn.executemany(q, records) async def get_feed_by_url(self, url: str) -> Feed | None: - q = "SELECT id, url, title, subtitle, link, next_retry, error_count, etag, last_modified FROM feed WHERE url=$1" + q = "SELECT id, url, title, subtitle, link, next_retry, error_count FROM feed WHERE url=$1" return Feed.from_row(await self.db.fetchrow(q, url)) async def get_subscription( self, feed_id: int, room_id: RoomID ) -> tuple[Subscription | None, Feed | None]: q = """ - SELECT id, url, title, subtitle, link, next_retry, error_count, etag, last_modified, + SELECT id, url, title, subtitle, link, next_retry, error_count, room_id, user_id, notification_template, send_notice FROM feed LEFT JOIN subscription ON feed.id = subscription.feed_id AND room_id = $2 WHERE feed.id = $1 @@ -202,10 +206,6 @@ class DBManager: q = "UPDATE feed SET error_count = $2, next_retry = $3 WHERE id = $1" await self.db.execute(q, info.id, error_count, next_retry) - async def set_feed_headers(self, info: Feed, etag: str, last_modified: str) -> None: - q = "UPDATE feed SET etag = $2, last_modified = $3 WHERE id = $1" - await self.db.execute(q, info.id, etag, last_modified) - async def subscribe( self, feed_id: int, diff --git a/buzzrss/migrations.py b/buzzrss/migrations.py index 9432cf9..6d15ec8 100644 --- a/buzzrss/migrations.py +++ b/buzzrss/migrations.py @@ -99,9 +99,3 @@ async def upgrade_v7(conn: Connection) -> None: @upgrade_table.register(description="Add paywalled flag to entries") async def upgrade_v8(conn: Connection) -> None: await conn.execute("ALTER TABLE entry ADD COLUMN paywalled BOOLEAN NOT NULL DEFAULT false") - - -@upgrade_table.register(description="Add conditional-fetch headers to feeds") -async def upgrade_v9(conn: Connection) -> None: - await conn.execute("ALTER TABLE feed ADD COLUMN etag TEXT DEFAULT ''") - await conn.execute("ALTER TABLE feed ADD COLUMN last_modified TEXT DEFAULT ''") diff --git a/maubot.yaml b/maubot.yaml index a30c5b7..adb1f76 100644 --- a/maubot.yaml +++ b/maubot.yaml @@ -1,5 +1,5 @@ id: nl.eddydevink.rss -version: 1.5.3 +version: 1.3.1 modules: - buzzrss main_class: RSSBot