Files

72 lines
2.2 KiB
Python

# pyquarantine 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.
#
# pyquarantine 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 pyquarantine. If not, see <http://www.gnu.org/licenses/>.
#
__all__ = [
"CustomLogger",
"MilterMessage",
"replace_illegal_chars"]
import logging
from email.message import MIMEPart
class CustomLogger(logging.LoggerAdapter):
def process(self, msg, kwargs):
if "name" in self.extra:
msg = f"{self.extra['name']}: {msg}"
if "qid" in self.extra:
msg = f"{self.extra['qid']}: {msg}"
if self.logger.getEffectiveLevel() != logging.DEBUG:
msg = msg.replace("\n", "").replace("\r", "")
return msg, kwargs
class MilterMessage(MIMEPart):
def replace_header(self, _name, _value, idx=None):
_name = _name.lower()
counter = 0
for i, (k, v) in zip(range(len(self._headers)), self._headers):
if k.lower() == _name:
counter += 1
if not idx or counter == idx:
self._headers[i] = self.policy.header_store_parse(
k, _value)
break
else:
raise KeyError(_name)
def remove_header(self, name, idx=None):
name = name.lower()
newheaders = []
counter = 0
for k, v in self._headers:
if k.lower() == name:
counter += 1
if counter != idx:
newheaders.append((k, v))
else:
newheaders.append((k, v))
self._headers = newheaders
def replace_illegal_chars(string):
"""Remove illegal characters from header values."""
return "".join(string.replace("\x00", "").splitlines())