57 lines
1.4 KiB
Python
57 lines
1.4 KiB
Python
# pyruse is intended as a replacement to both fail2ban and epylog
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# Copyright © 2017–2018 Y. Gablin
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# Full licensing information in the LICENSE file, or gnu.org/licences/gpl-3.0.txt if the file is missing.
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import abc
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from pyruse import log
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class Step(abc.ABC):
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def __init__(self):
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self.nextStep = None
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@abc.abstractmethod
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def run(self, entry):
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pass
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def setNextStep(self, obj):
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self.nextStep = obj
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def setStepName(self, name):
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self.stepName = name
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class Filter(Step):
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def __init__(self):
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super().__init__()
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self.altStep = None
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def setAltStep(self, obj):
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self.altStep = obj
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@abc.abstractmethod
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def filter(self, entry):
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pass
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def run(self, entry):
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try:
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nextStep = self.nextStep if self.filter(entry) else self.altStep
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except Exception as e:
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nextStep = self.altStep
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log.error("Error while executing %s (%s): %s." % (type(self), self.stepName, str(e)))
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return nextStep
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class Action(Step):
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def __init__(self):
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super().__init__()
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@abc.abstractmethod
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def act(self, entry):
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pass
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def run(self, entry):
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try:
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self.act(entry)
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nextStep = self.nextStep
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except Exception as e:
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nextStep = None
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log.error("Error while executing %s (%s): %s." % (type(self), self.stepName, str(e)))
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return nextStep
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