101 lines
3.5 KiB
Python
101 lines
3.5 KiB
Python
# PyMod-Milter 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.
|
|
#
|
|
# PyMod-Milter 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 PyMod-Milter. If not, see <http://www.gnu.org/licenses/>.
|
|
#
|
|
|
|
__all__ = [
|
|
"RuleConfig",
|
|
"Rule"]
|
|
|
|
from pymodmilter import BaseConfig
|
|
from pymodmilter.action import ActionConfig, Action
|
|
from pymodmilter.conditions import ConditionsConfig, Conditions
|
|
|
|
|
|
class RuleConfig(BaseConfig):
|
|
def __init__(self, cfg, local_addrs, debug=False):
|
|
super().__init__(cfg, debug)
|
|
|
|
self.conditions = None
|
|
self.actions = []
|
|
|
|
self.pretend = False
|
|
if "pretend" in cfg:
|
|
assert isinstance(cfg["pretend"], bool), \
|
|
f"{self.name}: pretend: invalid value, should be bool"
|
|
self.pretend = cfg["pretend"]
|
|
|
|
assert "actions" in cfg, \
|
|
f"{self.name}: mandatory parameter 'actions' not found"
|
|
actions = cfg["actions"]
|
|
assert isinstance(actions, list), \
|
|
f"{self.name}: actions: invalid value, should be list"
|
|
|
|
self.logger.debug(f"{self.name}: pretend={self.pretend}, "
|
|
f"loglevel={self.loglevel}")
|
|
|
|
if "conditions" in cfg:
|
|
assert isinstance(cfg["conditions"], dict), \
|
|
f"{self.name}: conditions: invalid value, should be dict"
|
|
cfg["conditions"]["name"] = f"{self.name}: condition"
|
|
if "loglevel" not in cfg["conditions"]:
|
|
cfg["conditions"]["loglevel"] = self.loglevel
|
|
self.conditions = ConditionsConfig(
|
|
cfg["conditions"], local_addrs, debug)
|
|
else:
|
|
self.conditions = None
|
|
|
|
for idx, action_cfg in enumerate(cfg["actions"]):
|
|
if "name" in action_cfg:
|
|
assert isinstance(action_cfg["name"], str), \
|
|
f"{self.name}: Action #{idx}: name: invalid value, " \
|
|
f"should be string"
|
|
action_cfg["name"] = f"{self.name}: {action_cfg['name']}"
|
|
else:
|
|
action_cfg["name"] = f"{self.name}: Action #{idx}"
|
|
|
|
if "loglevel" not in action_cfg:
|
|
action_cfg["loglevel"] = self.loglevel
|
|
if "pretend" not in action_cfg:
|
|
action_cfg["pretend"] = self.pretend
|
|
self.actions.append(
|
|
ActionConfig(action_cfg, local_addrs, debug))
|
|
|
|
|
|
class Rule:
|
|
"""
|
|
Rule to implement multiple actions on emails.
|
|
"""
|
|
|
|
def __init__(self, cfg):
|
|
self.logger = cfg.logger
|
|
|
|
if cfg.conditions is None:
|
|
self.conditions = None
|
|
else:
|
|
self.conditions = Conditions(cfg.conditions)
|
|
|
|
self.actions = []
|
|
for action_cfg in cfg.actions:
|
|
self.actions.append(Action(action_cfg))
|
|
|
|
self.pretend = cfg.pretend
|
|
|
|
def execute(self, milter):
|
|
"""Execute all actions of this rule."""
|
|
if self.conditions is None or \
|
|
self.conditions.match(milter):
|
|
for action in self.actions:
|
|
milter_action = action.execute(milter)
|
|
if milter_action is not None:
|
|
return milter_action
|