cleanup
This commit is contained in:
parent
67c2440f4a
commit
9bb327eada
|
|
@ -1,9 +1,7 @@
|
|||
#!/usr/bin/env python3
|
||||
"""
|
||||
sync_dynamodb_to_sieve.py - Sync DynamoDB rules to Dovecot Sieve
|
||||
"""
|
||||
import boto3
|
||||
import os
|
||||
import shutil
|
||||
from pathlib import Path
|
||||
import json
|
||||
import time
|
||||
|
|
@ -41,7 +39,7 @@ def generate_sieve(email, rules):
|
|||
if forwards:
|
||||
lines.append('# rule:[forward]')
|
||||
for fwd in forwards:
|
||||
lines.append(f'redirect :copy "{fwd}";')
|
||||
lines.append(f'redirect :copy "{fwd}";')
|
||||
lines.append('')
|
||||
|
||||
# OOO
|
||||
|
|
@ -58,105 +56,165 @@ def generate_sieve(email, rules):
|
|||
'',
|
||||
msg,
|
||||
'.',
|
||||
';' # <--- HIER WAR DER FEHLER
|
||||
';'
|
||||
])
|
||||
else:
|
||||
# Sicherheitshalber JSON dump für escaping von Anführungszeichen nutzen
|
||||
safe_msg = json.dumps(msg, ensure_ascii=False)
|
||||
lines.append(f'vacation :days 1 :from "{email}" {safe_msg};')
|
||||
|
||||
return '\n'.join(lines) + '\n'
|
||||
|
||||
def sync():
|
||||
"""Sync all rules from DynamoDB to Sieve"""
|
||||
response = table.scan()
|
||||
def deactivate_sieve(email, mailbox_home):
|
||||
"""
|
||||
SICHERHEITS-VARIANTE:
|
||||
Überschreibt das Sieve-Skript mit einem leeren 'keep;',
|
||||
anstatt Dateien zu löschen.
|
||||
"""
|
||||
|
||||
for item in response.get('Items', []):
|
||||
email = item['email_address']
|
||||
domain = email.split('@')[1]
|
||||
user = email.split('@')[0]
|
||||
|
||||
# Path: /var/mail/domain.de/user/.dovecot.sieve
|
||||
mailbox_dir = Path(VMAIL_BASE) / domain / user / 'home'
|
||||
|
||||
# Skip if mailbox doesn't exist
|
||||
if not mailbox_dir.exists():
|
||||
mailbox_dir.mkdir(exist_ok=True)
|
||||
os.system(f'chown docker:docker {mailbox_dir}')
|
||||
|
||||
sieve_path = mailbox_dir / '.dovecot.sieve'
|
||||
|
||||
# Generate & write
|
||||
script = generate_sieve(email, item)
|
||||
sieve_path.write_text(script)
|
||||
# Pfad zur aktiven Datei
|
||||
sieve_path = mailbox_home / '.dovecot.sieve'
|
||||
|
||||
# Inhalt: Nur "keep;" -> Mail behalten, nichts tun.
|
||||
safe_content = (
|
||||
'# Script deactivated by DynamoDB Sync (User not in DB)\n'
|
||||
'keep;\n'
|
||||
)
|
||||
|
||||
# Compile
|
||||
# Prüfen, ob wir überhaupt etwas tun müssen (um unnötige Schreibvorgänge zu meiden)
|
||||
# Wenn der Inhalt schon "keep;" ist, brechen wir ab.
|
||||
if sieve_path.exists() and not sieve_path.is_symlink():
|
||||
try:
|
||||
current_content = sieve_path.read_text()
|
||||
if "Script deactivated" in current_content:
|
||||
return # Ist schon deaktiviert
|
||||
except:
|
||||
pass
|
||||
|
||||
# Datei sicher schreiben (überschreibt auch Symlinks, wenn os.open genutzt wird,
|
||||
# aber pathlib write_text folgt symlinks oder überschreibt file).
|
||||
# Um sicher zu gehen, dass wir keinen Symlink auf eine Systemdatei überschreiben:
|
||||
if sieve_path.is_symlink():
|
||||
try:
|
||||
os.unlink(sieve_path) # Link entfernen
|
||||
except OSError:
|
||||
pass
|
||||
|
||||
try:
|
||||
sieve_path.write_text(safe_content)
|
||||
|
||||
# Kompilieren (wichtig, damit Dovecot die Änderung sofort sieht)
|
||||
os.system(f'sievec {sieve_path}')
|
||||
|
||||
# Ownership sicherstellen
|
||||
os.system(f'chown docker:docker {sieve_path}')
|
||||
|
||||
print(f'⚪ {email} (Regeln deaktiviert/geleert)')
|
||||
|
||||
except Exception as e:
|
||||
print(f"Fehler beim Deaktivieren von {email}: {e}")
|
||||
|
||||
# Copy to sieve dir
|
||||
sieve_dir = mailbox_dir / 'sieve'
|
||||
sieve_dir.mkdir(exist_ok=True)
|
||||
managed_script = sieve_dir / 'default.sieve'
|
||||
managed_script.write_text(script)
|
||||
os.system(f'sievec {managed_script}')
|
||||
|
||||
# Ownership
|
||||
os.system(f'chown -R docker:docker {sieve_dir}')
|
||||
def sync():
|
||||
"""Sync logic"""
|
||||
|
||||
# 1. DB Status abrufen
|
||||
try:
|
||||
response = table.scan()
|
||||
db_users = {item['email_address']: item for item in response.get('Items', [])}
|
||||
except Exception as e:
|
||||
print(f"FATAL: Konnte DynamoDB nicht lesen ({e}). Breche ab, um keine Regeln zu löschen.")
|
||||
return
|
||||
|
||||
# Aktivieren mit doveadm sieve put
|
||||
os.system(f'doveadm sieve put -u {email} -a default {managed_script}')
|
||||
# 2. Filesystem scannen
|
||||
base_path = Path(VMAIL_BASE)
|
||||
|
||||
if not base_path.exists():
|
||||
print("Warnung: /var/mail existiert nicht.")
|
||||
return
|
||||
|
||||
# Iteriere durch Domains
|
||||
for domain_dir in base_path.iterdir():
|
||||
if not domain_dir.is_dir(): continue
|
||||
|
||||
# Iteriere durch User
|
||||
for user_dir in domain_dir.iterdir():
|
||||
if not user_dir.is_dir(): continue
|
||||
|
||||
user = user_dir.name
|
||||
domain = domain_dir.name
|
||||
email = f"{user}@{domain}"
|
||||
|
||||
# WICHTIG: Wir arbeiten NUR im 'home' Unterordner
|
||||
# Die Mails liegen in user_dir/cur etc. -> Die fassen wir nicht an.
|
||||
mailbox_home = user_dir / 'home'
|
||||
|
||||
# --- FALL A: User ist in der DB (Update) ---
|
||||
if email in db_users:
|
||||
item = db_users[email]
|
||||
|
||||
if not mailbox_home.exists():
|
||||
mailbox_home.mkdir(exist_ok=True)
|
||||
os.system(f'chown docker:docker {mailbox_home}')
|
||||
|
||||
sieve_path = mailbox_home / '.dovecot.sieve'
|
||||
|
||||
script = generate_sieve(email, item)
|
||||
sieve_path.write_text(script)
|
||||
|
||||
os.system(f'sievec {sieve_path}')
|
||||
|
||||
# Ownership
|
||||
os.system(f'chown docker:docker {sieve_path}')
|
||||
|
||||
# (Optional) Auch in den sieve/ Ordner spiegeln für Roundcube Kompatibilität
|
||||
sieve_dir = mailbox_home / 'sieve'
|
||||
if sieve_dir.exists():
|
||||
managed_script = sieve_dir / 'default.sieve'
|
||||
managed_script.write_text(script)
|
||||
os.system(f'sievec {managed_script}')
|
||||
os.system(f'chown -R docker:docker {sieve_dir}')
|
||||
|
||||
print(f'✓ {email}')
|
||||
|
||||
# --- FALL B: User ist NICHT in DB (Deaktivieren) ---
|
||||
else:
|
||||
# Nur wenn der Home-Ordner existiert (wir legen keine Leichen für nicht-existente User an)
|
||||
if mailbox_home.exists():
|
||||
deactivate_sieve(email, mailbox_home)
|
||||
|
||||
print(f'✓ {email}')
|
||||
|
||||
def wait_for_dovecot():
|
||||
"""Wartet, bis der Dovecot Auth Socket verfügbar ist."""
|
||||
# Der Pfad zum Socket, über den doveadm kommuniziert
|
||||
socket_path = '/var/run/dovecot/auth-userdb'
|
||||
|
||||
print("⏳ Warte auf Dovecot Start...")
|
||||
while not os.path.exists(socket_path):
|
||||
print(f" ... Socket {socket_path} noch nicht da. Schlafe 5s.")
|
||||
time.sleep(5)
|
||||
|
||||
print("✅ Dovecot ist bereit!")
|
||||
|
||||
if __name__ == '__main__':
|
||||
|
||||
# 1. Erst warten, bis Dovecot da ist, sonst hagelt es Fehler beim Start
|
||||
wait_for_dovecot()
|
||||
|
||||
# Pfad zur Cron-Definition (nur der String, z.B. "*/5 * * * *")
|
||||
CRON_FILE = '/etc/sieve-schedule'
|
||||
|
||||
# Fallback, falls Datei fehlt
|
||||
cron_string = "*/5 * * * *"
|
||||
|
||||
if os.path.exists(CRON_FILE):
|
||||
with open(CRON_FILE, 'r') as f:
|
||||
# Kommentare entfernen und String holen
|
||||
content = f.read().strip()
|
||||
if content and not content.startswith('#'):
|
||||
cron_string = content
|
||||
|
||||
print(f"DynamoDB Sieve Sync gestartet. Zeitplan: {cron_string}")
|
||||
print(f"AWS Region: {os.environ.get('AWS_DEFAULT_REGION', 'nicht gesetzt')}") # Debug Check
|
||||
|
||||
# Initialer Lauf beim Start? (Optional, hier auskommentiert)
|
||||
print(f"DynamoDB Sieve Sync (Safe Mode) gestartet. Zeitplan: {cron_string}")
|
||||
|
||||
sync()
|
||||
|
||||
# Iterator erstellen
|
||||
base_time = datetime.now()
|
||||
iter = croniter(cron_string, base_time)
|
||||
|
||||
while True:
|
||||
# Den nächsten Zeitpunkt berechnen
|
||||
next_run = iter.get_next(datetime)
|
||||
now = datetime.now()
|
||||
|
||||
sleep_seconds = (next_run - now).total_seconds()
|
||||
|
||||
if sleep_seconds > 0:
|
||||
# Warten bis zum nächsten Slot
|
||||
time.sleep(sleep_seconds)
|
||||
|
||||
try:
|
||||
|
|
@ -164,5 +222,4 @@ if __name__ == '__main__':
|
|||
sync()
|
||||
except Exception as e:
|
||||
print(f"Fehler beim Sync: {e}")
|
||||
# Wichtig: Bei Fehler nicht abstürzen, sondern weitermachen
|
||||
pass
|
||||
Loading…
Reference in New Issue