Last Piece Hacktivist Crew

Editing: imunify_patch_subscription.py

"""
This program is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License
 along with this program.  If not, see <https://www.gnu.org/licenses/>.

This software is also available under ImunifyAV commercial license,
see <https://www.imunify360.com/legal/eula>
"""
import json
import logging
from dataclasses import dataclass, fields
from typing import Any, Self
from urllib.parse import urljoin
from urllib.request import Request

from async_lru import alru_cache

from defence360agent.api.server import API, APIError
from defence360agent.contracts.license import LicenseCLN
from defence360agent.internals.iaid import (
    IAIDTokenError,
    IndependentAgentIDAPI,
)
from defence360agent.subsys.panels.hosting_panel import HostingPanel
from imav.malwarelib.model import ImunifyPatchSubscription

logger = logging.getLogger(__name__)

@dataclass(frozen=True, eq=False)
class PurchaseEligibility:
    eligible: bool = False
    purchase_url: str | None = None

@classmethod
    def from_dict(cls, data: dict[str, Any]) -> Self:
        allowed_keys = {f.name for f in fields(cls)}
        filtered_data = {k: v for k, v in data.items() if k in allowed_keys}
        return cls(**filtered_data)

class PurchaseEligibilityError(Exception):
    pass

class ImunifyPatchSubscriptionAPI(API):
    SUBSCRIPTION_URL = urljoin(API._BASE_URL, "/api/patch/subscriptions/check")
    ELIGIBILITY_URL = urljoin(
        API._BASE_URL, "/api/products/patch/agent/generate-product-data"
    )
    CACHE_TTL = 3600  # 1 hour

@classmethod
    async def get_subscriptions(cls, ids: list[str]) -> list[str] | None:
        """Get active subscriptions for specific ids.
        Return None if interaction with the remote API failed.
        """
        if not ids:
            return []

if not (
            token := await cls._get_token(
                "Can't get iaid token: %s. Return empty subscription list."
            )
        ):
            return None

request = Request(
            cls.SUBSCRIPTION_URL,
            data=json.dumps({"users": ids}).encode(),
            headers={"X-Auth": token, "Content-Type": "application/json"},
        )
        try:
            result = await cls.async_request(request)
        except APIError as exc:
            logger.error(
                "Failed to get subscriptions details: %s. "
                "Return empty subscription list.",
                exc,
            )
            return None

return result["patchActive"]

@classmethod
    async def get_purchase_eligibility(cls) -> PurchaseEligibility:
        try:
            return await cls._get_purchase_eligibility()
        except PurchaseEligibilityError:
            return PurchaseEligibility()

@classmethod
    @alru_cache(ttl=CACHE_TTL)
    async def _get_purchase_eligibility(
        cls,
    ) -> PurchaseEligibility:
        """
        Asynchronously retrieves the customer's host purchase eligibility status
        for Imunify Patch.

Sends an authenticated request to the configured external service
        to determine whether the system is eligible for a purchase offer
        and, if so, obtains the associated purchase URL.

Returns:
            PurchaseEligibility: An instance of PurchaseEligibility containing
            the eligibility flag and optional purchase URL.

In case of any of the following, the PurchaseEligibilityError is raised:
            - Missing or invalid authentication token
            - Failure to make a request (e.g. APIError)
            - Malformed or incomplete response (missing required keys)
        """
        if not (token := await cls._get_token()):
            raise PurchaseEligibilityError()

data = {
            "users": len(await HostingPanel().get_users()),
            "custom_reseller_configured": LicenseCLN.is_custom_reseller_configured(),
        }
        request = Request(
            cls.ELIGIBILITY_URL,
            data=json.dumps(data).encode(),
            headers={"X-Auth": token, "Content-Type": "application/json"},
        )
        try:
            result = await cls.async_request(request)
        except APIError as exc:
            logger.error("Failed to get purchase URL: %s.", exc)
            raise PurchaseEligibilityError()

if ("purchase_url" not in result) or ("eligible" not in result):
            logger.error("Bad response from server %s.", result)
            raise PurchaseEligibilityError()

return PurchaseEligibility.from_dict(result)

@staticmethod
    async def _get_token(error_message: str | None = None) -> str | None:
        try:
            return await IndependentAgentIDAPI.get_token()
        except IAIDTokenError as exc:
            logger.error(
                error_message or "Can't get IAID Token: %s.",
                exc,
            )
            return None

def has_imunify_patch_subscriptions(_: str) -> bool:
    return ImunifyPatchSubscription.select().exists()

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