Initial commit: AegisSight-Monitor-Verwaltung

src/email_utils/sender.py

@@ -0,0 +1,53 @@
+"""Async E-Mail-Versand via SMTP."""
+import logging
+from email.mime.text import MIMEText
+from email.mime.multipart import MIMEMultipart
+
+import aiosmtplib
+
+from config import (
+    SMTP_HOST,
+    SMTP_PORT,
+    SMTP_USER,
+    SMTP_PASSWORD,
+    SMTP_FROM_EMAIL,
+    SMTP_FROM_NAME,
+    SMTP_USE_TLS,
+)
+
+logger = logging.getLogger("verwaltung.email")
+
+
+async def send_email(to_email: str, subject: str, html_body: str) -> bool:
+    """Sendet eine HTML-E-Mail.
+
+    Returns:
+        True bei Erfolg, False bei Fehler.
+    """
+    if not SMTP_HOST:
+        logger.warning(f"SMTP nicht konfiguriert - E-Mail an {to_email} nicht gesendet: {subject}")
+        return False
+
+    msg = MIMEMultipart("alternative")
+    msg["From"] = f"{SMTP_FROM_NAME} <{SMTP_FROM_EMAIL}>"
+    msg["To"] = to_email
+    msg["Subject"] = subject
+
+    text_content = f"Betreff: {subject}\n\nBitte oeffnen Sie diese E-Mail in einem HTML-faehigen E-Mail-Client."
+    msg.attach(MIMEText(text_content, "plain", "utf-8"))
+    msg.attach(MIMEText(html_body, "html", "utf-8"))
+
+    try:
+        await aiosmtplib.send(
+            msg,
+            hostname=SMTP_HOST,
+            port=SMTP_PORT,
+            username=SMTP_USER if SMTP_USER else None,
+            password=SMTP_PASSWORD if SMTP_PASSWORD else None,
+            start_tls=SMTP_USE_TLS,
+        )
+        logger.info(f"E-Mail gesendet an {to_email}: {subject}")
+        return True
+    except Exception as e:
+        logger.error(f"E-Mail-Versand fehlgeschlagen an {to_email}: {e}")
+        return False