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　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。 . Prv8 Shell

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Directory : /opt/imunify360/venv/lib/python3.11/site-packages/defence360agent/api/server/

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Current File : //opt/imunify360/venv/lib/python3.11/site-packages/defence360agent/api/server/send_message.py

import asyncio
import http.client
import json
import socket
import time
import urllib.error
import urllib.request
from abc import ABC, abstractmethod
from logging import getLogger
from typing import Optional

from defence360agent.contracts.config import Core
from defence360agent.contracts.messages import Message
from defence360agent.internals.iaid import (
    IndependentAgentIDAPI,
    IAIDTokenError,
)
from defence360agent.utils.json import ServerJSONEncoder
from defence360agent.api.server import API, APIError

logger = getLogger(__name__)


class BaseSendMessageAPI(API, ABC):
    URL = "/api/v2/send-message/{method}"

    @abstractmethod
    async def _send_request(self, message_method, headers, post_data) -> dict:
        pass  # pragma: no cover

    def check_response(self, result: dict) -> None:
        if "status" not in result:
            raise APIError("unexpected server response: {!r}".format(result))
        if result["status"] != "ok":
            raise APIError("server error: {}".format(result.get("msg")))

    async def send_data(self, method: str, post_data: bytes) -> None:
        try:
            token = await IndependentAgentIDAPI.get_token()
        except IAIDTokenError as e:
            raise APIError(f"IAID token error occurred {e}")
        headers = {
            "Content-Type": "application/json",
            "X-Auth": token,
        }
        result = await self._send_request(method, headers, post_data)
        self.check_response(result)


class SendMessageAPI(BaseSendMessageAPI):
    def __init__(self, rpm_ver: str, base_url: str = None, executor=None):
        self._executor = executor
        self.rpm_ver = rpm_ver
        self.product_name = ""
        self.server_id = None  # type: Optional[str]
        self.license = {}  # type: dict
        if base_url:
            self.base_url = base_url
        else:
            self.base_url = self._BASE_URL

    def set_product_name(self, product_name: str) -> None:
        self.product_name = product_name

    def set_server_id(self, server_id: Optional[str]) -> None:
        self.server_id = server_id

    def set_license(self, license: dict) -> None:
        self.license = license

    async def _send_request(self, message_method, headers, post_data):
        request = urllib.request.Request(
            self.base_url + self.URL.format(method=message_method),
            data=post_data,
            headers=headers,
            method="POST",
        )
        loop = asyncio.get_event_loop()
        return await loop.run_in_executor(self._executor, _do_request, request)

    async def send_message(self, message: Message) -> None:
        # add message handling time if it does not exist, so that
        # the server does not depend on the time it was received
        if "timestamp" not in message:
            message["timestamp"] = time.time()

        data2send = {
            "payload": message.payload,
            "rpm_ver": self.rpm_ver,
            "message_id": message.message_id,
            "server_id": self.server_id,
            "name": self.product_name,
        }
        post_data = json.dumps(data2send, cls=ServerJSONEncoder).encode()
        await self.send_data(message.method, post_data)


def _do_request(request: urllib.request.Request) -> None:
    try:
        with urllib.request.urlopen(
            request, timeout=Core.DEFAULT_SOCKET_TIMEOUT
        ) as response:
            if response.status != 200:
                raise APIError("status code is {}".format(response.status))
            return json.loads(response.read().decode())
    except (
        UnicodeDecodeError,
        http.client.HTTPException,
        json.JSONDecodeError,
        socket.timeout,
        urllib.error.URLError,
    ) as e:
        raise APIError(f"request failed {e}") from e

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