mirror of
https://github.com/idrainformatica/PecFlow.git
synced 2026-06-16 12:45:42 +02:00
77 lines
2.2 KiB
Python
77 lines
2.2 KiB
Python
"""
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Email SMTP sender (worker) – invio notifiche via aiosmtplib.
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Copia del sender backend: i due container sono separati.
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"""
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from datetime import datetime
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from email.mime.multipart import MIMEMultipart
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from email.mime.text import MIMEText
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import aiosmtplib
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DEFAULT_TIMEOUT = 15.0
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class EmailSMTPError(Exception):
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def __init__(self, message: str, smtp_code: int | None = None):
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super().__init__(message)
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self.smtp_code = smtp_code
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async def send_email_notification(
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smtp_host: str,
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smtp_port: int,
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smtp_user: str,
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smtp_password: str,
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from_email: str,
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to_email: str,
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subject: str,
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body_text: str,
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body_html: str | None = None,
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from_name: str = "PEChub Notifiche",
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use_tls: bool = True,
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use_starttls: bool = False,
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timeout: float = DEFAULT_TIMEOUT,
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) -> None:
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"""
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Invia un'email di notifica via SMTP.
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Raises:
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EmailSMTPError: in caso di errori di autenticazione, connessione o invio
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"""
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msg = MIMEMultipart("alternative")
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msg["Subject"] = subject
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msg["From"] = f"{from_name} <{from_email}>" if from_name else from_email
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msg["To"] = to_email
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msg["Date"] = datetime.utcnow().strftime("%a, %d %b %Y %H:%M:%S +0000")
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msg["X-Mailer"] = "PEChub/1.0"
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msg.attach(MIMEText(body_text, "plain", "utf-8"))
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if body_html:
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msg.attach(MIMEText(body_html, "html", "utf-8"))
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try:
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await aiosmtplib.send(
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msg,
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hostname=smtp_host,
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port=smtp_port,
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username=smtp_user,
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password=smtp_password,
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use_tls=use_tls,
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start_tls=use_starttls,
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timeout=timeout,
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)
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except aiosmtplib.SMTPAuthenticationError as exc:
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raise EmailSMTPError(
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f"Autenticazione SMTP fallita: {exc}", smtp_code=535
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) from exc
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except aiosmtplib.SMTPConnectError as exc:
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raise EmailSMTPError(
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f"Connessione SMTP fallita a {smtp_host}:{smtp_port}: {exc}"
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) from exc
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except aiosmtplib.SMTPException as exc:
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raise EmailSMTPError(f"Errore SMTP: {exc}") from exc
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except Exception as exc:
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raise EmailSMTPError(f"Errore invio email: {exc}") from exc
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