spacefreak/pyquarantine-milter
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improve BATV handling

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This commit is contained in:
Thomas Oettli
2021-09-22 01:00:02 +02:00
parent 2a7b08fc06
commit c7168c6671
1 changed files with 9 additions and 5 deletions
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14
pymodmilter/whitelist.py
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@@ -32,7 +32,11 @@ class WhitelistBase:
self.valid_entry_regex = re.compile(
r"^[a-zA-Z0-9_.=+-]*?(@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+)?$")
self.batv_regex = re.compile(
r"^prvs=[0-9]{4}[0-9A-Fa-f]{6}=")
r"^prvs=[0-9]{4}[0-9A-Fa-f]{6}=(?P<LEFT_PART>.+?)@")
def remove_batv(self, addr):
return self.batv_regex.sub("\g<LEFT_PART>", addr, count=1)
def check(self, mailfrom, recipient):
"Check if mailfrom/recipient combination is whitelisted."
@@ -146,8 +150,8 @@ class DatabaseWhitelist(WhitelistBase):
def check(self, mailfrom, recipient):
# check if mailfrom/recipient combination is whitelisted
super().check(mailfrom, recipient)
mailfrom = self.batv_regex.sub("", mailfrom, count=1)
recipient = self.batv_regex.sub("", recipient, count=1)
mailfrom = self.remove_batv(mailfrom)
recipient = self.remove_batv(recipient)
# generate list of possible mailfroms
self.logger.debug(
@@ -231,8 +235,8 @@ class DatabaseWhitelist(WhitelistBase):
comment,
permanent)
mailfrom = self.batv_regex.sub("", mailfrom, count=1)
recipient = self.batv_regex.sub("", recipient, count=1)
mailfrom = self.remove_batv(mailfrom)
recipient = self.remove_batv(recipient)
try:
self.model.create(