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Mini Shell
Mini Shell
import grp
import os
from defence360agent.contracts.config import Config, Core
from defence360agent.contracts.config_provider import CachedConfigReader
from defence360agent.utils import antivirus_mode
class Schema:
@staticmethod
def dict(data):
return {
"type": "dict",
"schema": data,
"default": {},
}
@staticmethod
def list_of_strings(regex=None):
return {
"type": "list",
"schema": {
"type": "string",
**({"regex": regex} if regex else {}),
},
"nullable": False,
"default": [],
}
@staticmethod
def list_of_emails(default_enabled=True):
regex = (
r"^.+@(.+\.)+.+|default$" if default_enabled else r"^.+@(.+\.)+.+$"
)
return Schema.list_of_strings(regex)
@staticmethod
def period():
return {
"period": {
"type": "integer",
"coerce": int,
"min": 1,
"default": 1,
}
}
@staticmethod
def string(nullable):
return {
"type": "string",
"nullable": nullable,
}
@staticmethod
def enabled():
return {
"enabled": {
"type": "boolean",
"default": False,
}
}
@staticmethod
def admin(period):
return {
"ADMIN": Schema.dict(
{
**Schema.enabled(),
"admin_emails": Schema.list_of_emails(),
**(Schema.period() if period else {}),
}
)
}
@staticmethod
def script(period):
return {
"SCRIPT": Schema.dict(
{
**Schema.enabled(),
"scripts": Schema.list_of_strings(r"^\/.+$"),
**(Schema.period() if period else {}),
}
)
}
@staticmethod
def user(period):
return {
"USER": Schema.dict(
{
**Schema.enabled(),
**(Schema.period() if period else {}),
}
)
}
@staticmethod
def target_script(period=False):
return Schema.dict(
{
**Schema.script(period=period),
}
)
@staticmethod
def target_admin_and_script(period=False):
return Schema.dict(
{
**Schema.admin(period=period),
**Schema.script(period=period),
}
)
@staticmethod
def target_all(period=False):
return Schema.dict(
{
**Schema.admin(period=period),
# **Schema.user(period=period), # stage 2
**Schema.script(period=period),
}
)
class HooksConfigReader(CachedConfigReader):
GROUP_NAME = "_imunify"
def _post_write(self):
os.chmod(self.path, 0o640)
os.chown(self.path, 0, grp.getgrnam(self.GROUP_NAME).gr_gid)
class HooksConfig(Config):
def __init__(
self, path=os.path.join(Core.GLOBAL_CONFDIR, Core.HOOKS_CONFIGFILENAME)
):
validation_schema = (
{
"admin": Schema.dict(
{
"default_emails": Schema.list_of_emails(
default_enabled=False
),
"notify_from_email": {
"type": "string",
"default": None,
"nullable": True,
},
"locale": Schema.string(nullable=True),
}
),
"users": {
"type": "list",
"schema": Schema.dict(
{
"username": Schema.string(nullable=False),
"emails": Schema.list_of_emails(),
"locale": Schema.string(nullable=True),
}
),
"nullable": True,
"default": [],
},
"rules": Schema.dict(
{
"REALTIME_MALWARE_FOUND": (
Schema.target_admin_and_script(period=True)
),
"USER_SCAN_MALWARE_FOUND": Schema.target_all(),
"SCRIPT_BLOCKED": Schema.target_admin_and_script(
period=True
),
"USER_SCAN_STARTED": Schema.target_script(),
"CUSTOM_SCAN_STARTED": Schema.target_script(),
"USER_SCAN_FINISHED": Schema.target_script(),
"CUSTOM_SCAN_FINISHED": Schema.target_script(),
"CUSTOM_SCAN_MALWARE_FOUND": (
Schema.target_admin_and_script()
),
}
),
"default": {},
}
if antivirus_mode.disabled
else {
"rules": Schema.dict(
{
"USER_SCAN_MALWARE_FOUND": Schema.target_script(),
"USER_SCAN_STARTED": Schema.target_script(),
"CUSTOM_SCAN_STARTED": Schema.target_script(),
"USER_SCAN_FINISHED": Schema.target_script(),
"CUSTOM_SCAN_FINISHED": Schema.target_script(),
"CUSTOM_SCAN_MALWARE_FOUND": Schema.target_script(),
}
),
"default": {},
}
)
super().__init__(
path=path,
validation_schema=validation_schema,
config_reader=HooksConfigReader(path),
)
def get(self):
data = self.config_to_dict()
data.pop("users", None)
return data
def update(self, data):
data.pop("users", None)
self.dict_to_config(data)
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