晋太元中,武陵人捕鱼为业。缘溪行,忘路之远近。忽逢桃花林,夹岸数百步,中无杂树,芳草鲜美,落英缤纷。渔人甚异之,复前行,欲穷其林。 林尽水源,便得一山,山有小口,仿佛若有光。便舍船,从口入。初极狭,才通人。复行数十步,豁然开朗。土地平旷,屋舍俨然,有良田、美池、桑竹之属。阡陌交通,鸡犬相闻。其中往来种作,男女衣着,悉如外人。黄发垂髫,并怡然自乐。 见渔人,乃大惊,问所从来。具答之。便要还家,设酒杀鸡作食。村中闻有此人,咸来问讯。自云先世避秦时乱,率妻子邑人来此绝境,不复出焉,遂与外人间隔。问今是何世,乃不知有汉,无论魏晋。此人一一为具言所闻,皆叹惋。余人各复延至其家,皆出酒食。停数日,辞去。此中人语云:“不足为外人道也。”(间隔 一作:隔绝) 既出,得其船,便扶向路,处处志之。及郡下,诣太守,说如此。太守即遣人随其往,寻向所志,遂迷,不复得路。 南阳刘子骥,高尚士也,闻之,欣然规往。未果,寻病终。后遂无问津者。
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"""Send events via Notification service"""
import asyncio
import base64
import json
SOCKET_PATH = "/opt/imunify360/lib/event.sock"
SOCKET_TIMEOUT = 10.0 # seconds
_LEN_BYTES = 4
_MAX_SIZE = 1024 * 1024
CONFIG_UPDATED_EVENT_ID = "CONFIG_UPDATED"
USER_SCAN_STARTED_EVENT_ID = "USER_SCAN_STARTED"
USER_SCAN_FINISHED_EVENT_ID = "USER_SCAN_FINISHED"
USER_SCAN_MALWARE_FOUND_EVENT_ID = "USER_SCAN_MALWARE_FOUND"
CUSTOM_SCAN_STARTED_EVENT_ID = "CUSTOM_SCAN_STARTED"
CUSTOM_SCAN_FINISHED_EVENT_ID = "CUSTOM_SCAN_FINISHED"
CUSTOM_SCAN_MALWARE_FOUND_EVENT_ID = "CUSTOM_SCAN_MALWARE_FOUND"
SCRIPT_BLOCKED_EVENT_ID = "SCRIPT_BLOCKED"
def _prepare_event(event_id: str, user: str, body: dict) -> bytes:
event = json.dumps(
{
"event_id": event_id,
"user": user,
"body": base64.b64encode(json.dumps(body).encode("utf-8")).decode(
"utf-8"
),
}
)
binary = event.encode("utf-8")
if len(binary) > _MAX_SIZE:
raise Exception(
"message size {} exceeds limit of {}".format(
len(binary), _MAX_SIZE
)
)
return len(binary).to_bytes(_LEN_BYTES, byteorder="big") + binary
async def _send_event(event: bytes) -> None:
_, writer = await asyncio.open_unix_connection(SOCKET_PATH)
try:
writer.write(event)
await writer.drain()
finally:
writer.close()
async def trigger_event(event_id: str, user: str, body: dict) -> None:
"""Send an event with given event_id and user, having given body."""
event = _prepare_event(event_id, user, body)
await asyncio.wait_for(_send_event(event), SOCKET_TIMEOUT)
async def config_updated() -> None:
"""Send CONFIG_UPDATED event.
This forces imunify-notifier to reread its config."""
await trigger_event(CONFIG_UPDATED_EVENT_ID, "", {})