71 lines
2.6 KiB
Python
71 lines
2.6 KiB
Python
# PyMod-Milter is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# PyMod-Milter is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with PyMod-Milter. If not, see <http://www.gnu.org/licenses/>.
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#
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__all__ = ["Rule"]
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import logging
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from pymodmilter.action import Action
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from pymodmilter.conditions import Conditions
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class Rule:
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"""
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Rule to implement multiple actions on emails.
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"""
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def __init__(self, cfg, local_addrs, debug):
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self.cfg = cfg
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self.logger = logging.getLogger(cfg["name"])
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self.logger.setLevel(cfg.get_loglevel(debug))
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self.conditions = cfg["conditions"] if "conditions" in cfg else None
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if self.conditions is not None:
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self.conditions["name"] = f"{cfg['name']}: condition"
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self.conditions["loglevel"] = cfg["loglevel"]
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self.conditions = Conditions(self.conditions, local_addrs, debug)
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self.actions = []
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for idx, action_cfg in enumerate(cfg["actions"]):
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if "name" in action_cfg:
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action_cfg["name"] = f"{cfg['name']}: {action_cfg['name']}"
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else:
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action_cfg["name"] = f"action#{idx}"
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if "loglevel" not in action_cfg:
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action_cfg["loglevel"] = cfg["loglevel"]
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if "pretend" not in action_cfg:
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action_cfg["pretend"] = cfg["pretend"]
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self.actions.append(Action(action_cfg, local_addrs, debug))
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def __str__(self):
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cfg = []
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for key in ["name", "loglevel", "pretend"]:
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value = self.cfg[key]
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cfg.append(f"{key}={value}")
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if self.conditions is not None:
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cfg.append(f"conditions={self.conditions}")
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actions = []
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for action in self.actions:
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actions.append(str(action))
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cfg.append("actions=[" + ", ".join(actions) + "]")
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return "Rule(" + ", ".join(cfg) + ")"
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def execute(self, milter):
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"""Execute all actions of this rule."""
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if self.conditions is None or \
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self.conditions.match(milter):
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for action in self.actions:
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milter_action = action.execute(milter)
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if milter_action is not None:
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return milter_action
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