run removal of inactive users daily

CHANGELOG.md

@@ -2,6 +2,9 @@
 
 ## untagged
 
+- BREAKING: new required chatmail.ini value 'delete_inactive_users_after = 25'
+  which removes users from database and mails after 25 days without any login. 
+
 - remove checking of reverse-DNS PTR records.  Chatmail-servers don't
   depend on it and even in the wider e-mail system it's not common anymore. 
   If it's an issue, a chatmail operator can still care to properly set reverse DNS. 

chatmaild/pyproject.toml

@@ -26,6 +26,7 @@ chatmail-metadata = "chatmaild.metadata:main"
 filtermail = "chatmaild.filtermail:main"
 echobot = "chatmaild.echo:main"
 chatmail-metrics = "chatmaild.metrics:main"
+delete_inactive_users = "chatmaild.delete_inactive_users:main"
 
 [project.entry-points.pytest11]
 "chatmaild.testplugin" = "chatmaild.tests.plugin"

chatmaild/src/chatmaild/config.py

@@ -4,6 +4,7 @@ import iniconfig
 
 
 def read_config(inipath, mail_basedir=None):
+    assert Path(inipath).exists(), inipath
     cfg = iniconfig.IniConfig(inipath)
     params = cfg.sections["params"]
     if mail_basedir is None:

chatmaild/src/chatmaild/delete_inactive_users.py

@@ -1,5 +1,5 @@
 """
-Remove old user accounts
+Remove inactive users
 """
 
 import shutil

chatmaild/src/chatmaild/ini/chatmail.ini.f

@@ -8,7 +8,7 @@ mail_domain = {mail_domain}
 #
 
 #
-# Restrictions on user addresses 
+# Restrictions on user addresses
 #
 
 # how many mails a user can send out per minute
@@ -20,7 +20,7 @@ max_mailbox_size = 100M
 # days after which mails are unconditionally deleted
 delete_mails_after = 20
 
-# days after which users without a login are deleted (database and mails) 
+# days after which users without a login are deleted (database and mails)
 delete_inactive_users_after = 25
 
 # minimum length a username must have

chatmaild/src/chatmaild/tests/test_delete_inactive_users.py

@@ -1,7 +1,7 @@
 from time import time as now
 
-from chatmaild.doveauth import lookup_passdb
 from chatmaild.delete_inactive_users import delete_inactive_users
+from chatmaild.doveauth import lookup_passdb
 
 
 def test_remove_stale_users(db, example_config):

cmdeploy/src/cmdeploy/dovecot/expunge.cron.j2

@@ -9,3 +9,4 @@
 2 0 * * * vmail find /home/vmail/mail/{{ config.mail_domain }} -path '*/tmp/*' -mtime +{{ config.delete_mails_after }} -type f -delete
 2 0 * * * vmail find /home/vmail/mail/{{ config.mail_domain }} -path '*/.*/tmp/*' -mtime +{{ config.delete_mails_after }} -type f -delete
 3 0 * * * vmail find /home/vmail/mail/{{ config.mail_domain }} -name 'maildirsize' -type f -delete
+4 0 * * * vmail /usr/local/lib/chatmaild/venv/bin/delete_inactive_users /home/vmail/passdb.lite /usr/local/lib/chatmaild/chatmail.ini