diff options
Diffstat (limited to 'Mailman/Bouncer.py')
| -rw-r--r-- | Mailman/Bouncer.py | 98 |
1 files changed, 39 insertions, 59 deletions
diff --git a/Mailman/Bouncer.py b/Mailman/Bouncer.py index 599c3d0f6..86f022478 100644 --- a/Mailman/Bouncer.py +++ b/Mailman/Bouncer.py @@ -42,7 +42,7 @@ EMPTYSTRING = '' class Bouncer: def InitVars(self): # Not configurable... - + # # self.bounce_info registers observed bounce incidents. It's a # dict mapping members addrs to a list: # [ @@ -51,7 +51,6 @@ class Bouncer: # post_id of last offending bounce in current sequence # ] self.bounce_info = {} - # Configurable... self.bounce_processing = mm_cfg.DEFAULT_BOUNCE_PROCESSING self.minimum_removal_date = mm_cfg.DEFAULT_MINIMUM_REMOVAL_DATE @@ -61,45 +60,46 @@ class Bouncer: self.max_posts_between_bounces = \ mm_cfg.DEFAULT_MAX_POSTS_BETWEEN_BOUNCES - def ClearBounceInfo(self, email): - email = email.lower() - if self.bounce_info.has_key(email): - del self.bounce_info[email] + def ClearBounceInfo(self, member): + member = member.lower() + if self.bounce_info.has_key(member): + del self.bounce_info[member] - def RegisterBounce(self, email, msg): + def RegisterBounce(self, member, msg): """Detect and handle repeat-offender bounce addresses. We use very sketchy bounce history profiles in self.bounce_info - (see comment above it's initialization), together with list- + (see comment above its initialization), together with list- specific thresholds self.minimum_post_count_before_bounce_action and self.max_posts_between_bounces. """ - # Set 'dirty' if anything needs to be save in the finally clause. - report = "%s: %s - " % (self.real_name, email) + report = "%s: %s - " % (self.real_name, member) now = time.time() - secs_per_day = 24 * 60 * 60 - + days = mm_cfg.days # Take the opportunity to cull expired entries. pid = self.post_id maxposts = self.max_posts_between_bounces - stalesecs = self.minimum_removal_date * secs_per_day * 5 + # BAW: This can't be right. minimum_removal_date should only be + # multiplied by days(1) :( + stalesecs = self.minimum_removal_date * days(5) for k, v in self.bounce_info.items(): if now - v[0] > stalesecs: # It's been long enough to drop their bounce record: del self.bounce_info[k] dirty = 1 - this_dude = Utils.FindMatchingAddresses(email, self.bounce_info) + # Is this the first bounce we're seeing from this address? + this_dude = Utils.FindMatchingAddresses(member, self.bounce_info) if not this_dude: # No (or expired) priors - new record. - self.bounce_info[email.lower()] = [now, self.post_id, + self.bounce_info[member.lower()] = [now, self.post_id, self.post_id] syslog('bounce', '%sfirst', report) dirty = 1 return - # There are some priors. + # No, there are some priors. addr = this_dude[0].lower() hist = self.bounce_info[addr] difference = now - hist[0] @@ -118,7 +118,7 @@ class Bouncer: if ((self.post_id - hist[1] > self.minimum_post_count_before_bounce_action) and - (difference > self.minimum_removal_date * secs_per_day)): + (difference > self.minimum_removal_date * days(1))): syslog('bounce', '%sexceeded limits', report) self.HandleBouncingAddress(addr, msg) return @@ -127,8 +127,7 @@ class Bouncer: - (self.post_id - hist[1])) if post_count < 0: post_count = 0 - remain = (self.minimum_removal_date - * secs_per_day - difference) + remain = self.minimum_removal_date * days(1) - difference syslog('bounce', '%s%d more allowed over %d secs', report, post_count, remain) return @@ -138,7 +137,7 @@ class Bouncer: syslog('bounce', '%s: first fresh (D)', self._internal_name) self.bounce_info[addr] = [now, self.volume, self.volume] return - if difference > self.minimum_removal_date * secs_per_day: + if difference > self.minimum_removal_date * days(1): syslog('bounce', '%sexceeded limits (D)', report) self.HandleBouncingAddress(addr, msg) return @@ -183,8 +182,6 @@ class Bouncer: (I.e., bounce notification address itself bounces.) Bad admin recipient: %s''', self.internal_name(), addr) return - import mimetools - boundary = mimetools.choose_boundary() # report about success but = '' if succeeded <> 1: @@ -200,8 +197,7 @@ Bad admin recipient: %s''', self.internal_name(), addr) # the mail message text text = Utils.maketext( 'bounce.txt', - {'boundary' : boundary, - 'listname' : self.real_name, + {'listname' : self.real_name, 'addr' : addr, 'negative' : negative, 'did' : did, @@ -209,40 +205,22 @@ Bad admin recipient: %s''', self.internal_name(), addr) 'reenable' : reenable, 'owneraddr': Utils.get_site_email(self.host_name, '-admin'), }, mlist=self) + rname = self.real_name + msg0 = Message.UserNotification( + recipient, Utils.get_site_email(self.host_name, '-admin'), + _('%(rname)s member %(addr)s bouncing - %(negative)s%(did)s')) + msg0['MIME-Version'] = '1.0' + msg0['Content-Type'] = 'multipart/mixed' + msg1 = MIMEText(text, + _charset=Utils.GetCharSet(self.preferred_language)) + msg2 = MIMEMessage(msg) + msg0.add_payload(msg1) + msg0.add_payload(msg2) # add this here so it doesn't get wrapped/filled - # FIXME - text = text + '\n\n--' + boundary + \ - '\nContent-type: text/plain; charset=' + Utils.GetCharSet() - - # We do this here so this text won't be wrapped. note that - # 'bounce.txt' has a trailing newline. Be robust about getting - # the body of the message. - body = _('[original message unavailable]') - try: - body = msg.body - except AttributeError: - try: - msg.rewindbody() - body = msg.fp.read() - except IOError: - pass - # FIXME - text += EMPTYSTRING.join(msg.headers) + '\n' + \ - Utils.QuotePeriods(body) + '\n' + \ - '--' + boundary + '--' - if negative: negative = negative.upper() - # send the bounce message - rname = self.real_name - msg = Message.UserNotification( - recipient, Utils.get_site_email(self.host_name, '-admin'), - _('%(rname)s member %(addr)s bouncing - %(negative)s%(did)s'), - text) - msg['MIME-Version'] = '1.0' - msg['Content-Type'] = 'multipart/mixed; boundary="%s"' % boundary - msg.send(self) + msg0.send(self) def DisableBouncingAddress(self, addr): """Disable delivery for bouncing user address. @@ -293,18 +271,20 @@ Bad admin recipient: %s''', self.internal_name(), addr) self.Save() return Errors.MMNoSuchUserError, 1 - def BounceMessage(self, msg, msgdata, e): + def BounceMessage(self, msg, msgdata, e=None): # Bounce a message back to the sender, with an error message if # provided in the exception argument. sender = msg.get_sender() + subject = msg.get('subject', _('(no subject)')) + if e is None: + e = _('[No bounce details are available]') # Currently we always craft bounces as MIME messages. bmsg = Message.UserNotification(msg.get_sender(), self.GetOwnerEmail(), - e.subject()) - bmsg.addheader('Content-Type', 'multipart/mixed') + subject) + bmsg['Content-Type'] = 'multipart/mixed' bmsg['MIME-Version'] = '1.0' - txt = MIMEText(e.details(), - _charset=Utils.GetCharSet(self.preferred_language)) + txt = MIMEText(e, _charset=Utils.GetCharSet(self.preferred_language)) bmsg.add_payload(txt) bmsg.add_payload(MIMEMessage(msg)) bmsg.send(self) |