feat: System-Email-Benachrichtigungen bei Freigaben und Benutzer-Erstellung
Automatische E-Mail-Benachrichtigungen ueber die konfigurierte System-Email bei folgenden Ereignissen: - Datei/Ordner mit Benutzer geteilt -> Empfaenger wird benachrichtigt - Share-Link heruntergeladen -> Ersteller wird benachrichtigt (mit IP) - Kalender mit Benutzer geteilt -> Empfaenger wird benachrichtigt - Adressbuch mit Benutzer geteilt -> Empfaenger wird benachrichtigt - Passwort-Eintrag/-Ordner geteilt -> Empfaenger wird benachrichtigt - Admin erstellt neuen Benutzer -> Neuer Benutzer wird benachrichtigt Alle Benachrichtigungen sind fail-safe (try/except), damit die eigentliche Aktion nie durch Email-Fehler blockiert wird. Emails werden nur gesendet wenn System-SMTP konfiguriert ist UND der Empfaenger eine Email-Adresse hat. Neuer Service: app/services/system_mail.py mit zentralem Helper Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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"""System email sending helper. Uses the admin-configured SMTP settings."""
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import smtplib
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from email.mime.text import MIMEText
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from email.mime.multipart import MIMEMultipart
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def send_system_email(to, subject, body_text, body_html=None):
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"""Send an email via the system SMTP configuration.
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Returns (success: bool, error: str|None)
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"""
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from app.models.settings import AppSettings
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host = AppSettings.get('system_smtp_host', '')
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port = int(AppSettings.get('system_smtp_port', '587'))
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ssl = AppSettings.get_bool('system_smtp_ssl', default=True)
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username = AppSettings.get('system_smtp_username', '')
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password = AppSettings.get('system_smtp_password', '')
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from_addr = AppSettings.get('system_email_from', '') or username
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if not host or not username or not password:
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return False, 'System-Email nicht konfiguriert'
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try:
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if body_html:
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msg = MIMEMultipart('alternative')
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msg.attach(MIMEText(body_text, 'plain', 'utf-8'))
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msg.attach(MIMEText(body_html, 'html', 'utf-8'))
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else:
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msg = MIMEText(body_text, 'plain', 'utf-8')
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msg['From'] = from_addr
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msg['To'] = to
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msg['Subject'] = subject
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if ssl and port == 465:
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server = smtplib.SMTP_SSL(host, port, timeout=10)
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else:
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server = smtplib.SMTP(host, port, timeout=10)
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server.starttls()
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server.login(username, password)
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server.sendmail(from_addr, [to], msg.as_string())
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server.quit()
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return True, None
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except Exception as e:
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return False, str(e)
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def notify_share_link_accessed(share_link, file_name, accessor_ip):
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"""Notify the share link creator that someone accessed their shared file."""
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from app.models.user import User
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creator = User.query.get(share_link.created_by)
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if not creator or not creator.email:
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return
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subject = f'Mini-Cloud: Zugriff auf geteilte Datei "{file_name}"'
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body = (
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f'Hallo {creator.username},\n\n'
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f'Jemand hat auf deine geteilte Datei zugegriffen:\n\n'
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f' Datei: {file_name}\n'
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f' IP-Adresse: {accessor_ip}\n'
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f' Downloads bisher: {share_link.download_count}\n\n'
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f'Falls du diesen Zugriff nicht erwartet hast, kannst du den '
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f'Freigabe-Link in deiner Mini-Cloud loeschen.\n\n'
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f'Deine Mini-Cloud'
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)
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send_system_email(creator.email, subject, body)
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def notify_file_shared_with_user(file_name, owner_username, target_user):
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"""Notify a user that a file/folder was shared with them."""
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if not target_user.email:
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return
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subject = f'Mini-Cloud: "{file_name}" wurde mit dir geteilt'
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body = (
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f'Hallo {target_user.username},\n\n'
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f'{owner_username} hat "{file_name}" mit dir geteilt.\n\n'
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f'Melde dich in deiner Mini-Cloud an, um die Datei zu sehen.\n\n'
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f'Deine Mini-Cloud'
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)
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send_system_email(target_user.email, subject, body)
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def notify_calendar_shared(calendar_name, owner_username, target_user, permission):
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"""Notify a user that a calendar was shared with them."""
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if not target_user.email:
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return
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perm_text = 'Lesen' if permission == 'read' else 'Lesen und Schreiben'
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subject = f'Mini-Cloud: Kalender "{calendar_name}" wurde mit dir geteilt'
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body = (
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f'Hallo {target_user.username},\n\n'
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f'{owner_username} hat den Kalender "{calendar_name}" mit dir geteilt.\n'
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f'Berechtigung: {perm_text}\n\n'
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f'Melde dich in deiner Mini-Cloud an, um den Kalender zu sehen.\n\n'
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f'Deine Mini-Cloud'
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)
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send_system_email(target_user.email, subject, body)
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def notify_contacts_shared(addressbook_name, owner_username, target_user, permission):
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"""Notify a user that an address book was shared with them."""
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if not target_user.email:
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return
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perm_text = 'Lesen' if permission == 'read' else 'Lesen und Schreiben'
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subject = f'Mini-Cloud: Adressbuch "{addressbook_name}" wurde mit dir geteilt'
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body = (
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f'Hallo {target_user.username},\n\n'
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f'{owner_username} hat das Adressbuch "{addressbook_name}" mit dir geteilt.\n'
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f'Berechtigung: {perm_text}\n\n'
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f'Melde dich in deiner Mini-Cloud an.\n\n'
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f'Deine Mini-Cloud'
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)
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send_system_email(target_user.email, subject, body)
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def notify_password_shared(shareable_type, owner_username, target_user, permission):
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"""Notify a user that passwords were shared with them."""
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if not target_user.email:
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return
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type_text = 'Ein Passwort-Ordner' if shareable_type == 'folder' else 'Ein Passwort-Eintrag'
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subject = f'Mini-Cloud: {type_text} wurde mit dir geteilt'
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body = (
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f'Hallo {target_user.username},\n\n'
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f'{owner_username} hat {type_text.lower()} mit dir geteilt.\n'
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f'Berechtigung: {permission}\n\n'
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f'Melde dich in deiner Mini-Cloud an, um die Passwoerter zu sehen.\n\n'
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f'Deine Mini-Cloud'
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)
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send_system_email(target_user.email, subject, body)
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def notify_user_created(user, created_by_username):
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"""Notify a newly created user about their account."""
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if not user.email:
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return
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subject = 'Mini-Cloud: Dein Konto wurde erstellt'
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body = (
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f'Hallo {user.username},\n\n'
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f'{created_by_username} hat ein Konto fuer dich in der Mini-Cloud erstellt.\n\n'
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f'Benutzername: {user.username}\n\n'
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f'Bitte melde dich an und aendere dein Passwort.\n\n'
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f'Deine Mini-Cloud'
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)
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send_system_email(user.email, subject, body)
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