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Edit File: permissions.py

import logging
from pathlib import Path
from typing import Optional

from defence360agent.contracts.config import MyImunifyConfig, PermissionsConfig
from defence360agent.contracts.license import LicenseCLN
from defence360agent.feature_management.constants import AV_REPORT, FULL
from defence360agent.feature_management.model import FeatureManagementPerms
from defence360agent.myimunify.model import MyImunify
from defence360agent.subsys.panels.hosting_panel import HostingPanel
from defence360agent.subsys.panels.plesk import Plesk
from defence360agent.utils import importer

logger = logging.getLogger(__name__)

PERMISSIONS = (
    MS_VIEW,
    MS_CLEAN,
    MS_CLEAN_REQUIRES_MYIMUNIFY_PROTECTION,
    MS_ON_DEMAND_SCAN,
    MS_ON_DEMAND_SCAN_WITHOUT_RATE_LIMIT,
    MS_IGNORE_LIST_EDIT,
    MS_CONFIG_DEFAULT_ACTION_EDIT,
    MS_IMUNIFY_PATCH_ENABLED,
    MS_IMUNIFY_PATCH_ELIGIBLE_TO_PURCHASE,
    PD_VIEW,
    PD_CONFIG_MODE_EDIT,
) = (
    "malware_scanner.view",
    "malware_scanner.clean",
    "malware_scanner.clean_requires_myimunify_protection",
    "malware_scanner.on_demand.scan",
    "malware_scanner.on_demand.scan_without_rate_limit",
    "malware_scanner.ignore_list.edit",
    "malware_scanner.config.default_action.edit",
    "malware_scanner.imunify_patch.enabled",
    "malware_scanner.imunify_patch.eligible_to_purchase",
    "proactive_defense.view",
    "proactive_defense.config.mode.edit",
)

GLOBAL_CONFDIR = Path("/etc/sysconfig/imunify360")

def is_plesk_service_plan_enabled() -> bool:
    return (
        HostingPanel().NAME == Plesk.NAME
        and PermissionsConfig.USE_PLESK_SERVICE_PLAN
    )

def myimunify_protection_enabled(user: Optional[str] = None) -> bool:
    return MyImunify.get_protection(user)

def ms_view(user: Optional[str] = None):
    if user is None:
        return True

return FeatureManagementPerms.get_perm(user).av in (
        AV_REPORT,
        FULL,
    )

def ms_clean(user: Optional[str] = None):
    if LicenseCLN.is_free() or not LicenseCLN.is_valid():
        return False

if user is None:
        return True

if is_plesk_service_plan_enabled():
        #  should be handled by Plesk extension
        return True

return FeatureManagementPerms.get_perm(user).av == FULL

def ms_clean_requires_myimunify_protection(user: Optional[str] = None):
    if MyImunifyConfig.ENABLED:
        return myimunify_protection_enabled(user)
    return ms_clean(user)

def ms_on_demand_scan(user: Optional[str] = None):
    if user is None:
        return True

if MyImunifyConfig.ENABLED:
        #  on-demand scan is available for both Basic and Pro subscriptions
        return True

if is_plesk_service_plan_enabled():
        #  should be handled by Plesk extension
        return True

return PermissionsConfig.ALLOW_MALWARE_SCAN

def ms_on_demand_scan_without_rate_limit(
    user: Optional[str] = None,
):
    if MyImunifyConfig.ENABLED:
        return myimunify_protection_enabled(user)

return PermissionsConfig.ALLOW_MALWARE_SCAN

def ms_ignore_list_edit(user: Optional[str] = None):
    if user is None:
        return True

if MyImunifyConfig.ENABLED:
        # so far, MyImunify doesn't allow to the user editing ignore list
        return False

return PermissionsConfig.USER_IGNORE_LIST

def ms_config_default_action_edit(user: Optional[str] = None):
    if user is None:
        return True

if MyImunifyConfig.ENABLED:
        # so far, MyImunify doesn't allow to the user
        # editing default malware action
        return False

return PermissionsConfig.USER_OVERRIDE_MALWARE_ACTIONS

ms_imunify_patch_enabled = importer.get(
    module="imav.contracts.permissions",
    name="is_imunify_patch_enabled",
    default=lambda _: False,
)

has_imunify_patch_subscriptions = importer.get(
    module="imav.malwarelib.api.imunify_patch_subscription",
    name="has_imunify_patch_subscriptions",
    default=lambda _: False,
)

def ms_imunify_patch_eligible_to_purchase(user: str | None = None) -> bool:
    return (
        LicenseCLN.is_eligible_for_imunify_patch()
        or has_imunify_patch_subscriptions(user)
    )

def pd_view(user: Optional[str] = None):
    if user is None:
        return True

return FeatureManagementPerms.get_perm(user).proactive == FULL

def pd_config_mode_edit(user: Optional[str] = None):
    if user is None:
        return True

if MyImunifyConfig.ENABLED:
        return False

return PermissionsConfig.USER_OVERRIDE_PROACTIVE_DEFENSE

HAS_PERMISSION = {
    MS_VIEW: ms_view,
    MS_CLEAN: ms_clean,
    MS_CLEAN_REQUIRES_MYIMUNIFY_PROTECTION: (
        ms_clean_requires_myimunify_protection
    ),
    MS_ON_DEMAND_SCAN: ms_on_demand_scan,
    MS_ON_DEMAND_SCAN_WITHOUT_RATE_LIMIT: ms_on_demand_scan_without_rate_limit,
    MS_IGNORE_LIST_EDIT: ms_ignore_list_edit,
    MS_CONFIG_DEFAULT_ACTION_EDIT: ms_config_default_action_edit,
    MS_IMUNIFY_PATCH_ENABLED: ms_imunify_patch_enabled,
    MS_IMUNIFY_PATCH_ELIGIBLE_TO_PURCHASE: ms_imunify_patch_eligible_to_purchase,
    PD_VIEW: pd_view,
    PD_CONFIG_MODE_EDIT: pd_config_mode_edit,
}

def has_permission(permission, user):
    return HAS_PERMISSION[permission](user)

def check_permission(permission, user) -> None:
    if not HAS_PERMISSION[permission](user):
        raise PermissionError("notifications.generalPermissionError")

def permissions_list(user):
    return [
        permission
        for permission in PERMISSIONS
        if has_permission(permission, user)
    ]

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