124 lines
3.9 KiB
Python
124 lines
3.9 KiB
Python
from email.mime.multipart import MIMEMultipart
|
|
from email.mime.text import MIMEText
|
|
from email.mime.application import MIMEApplication
|
|
import smtplib
|
|
import time
|
|
|
|
import Web.modules.database.settings as cfg
|
|
|
|
|
|
def _build_smtp_client():
|
|
smtp = smtplib.SMTP(
|
|
"mail.invario-software.de",
|
|
587,
|
|
timeout=10,
|
|
)
|
|
smtp.ehlo()
|
|
if True:
|
|
smtp.starttls()
|
|
smtp.ehlo()
|
|
smtp.login("no-reply@invario-software.de", "eSpage,65,{")
|
|
return smtp
|
|
|
|
|
|
|
|
def _normalize_recipients(email: list | str) -> list[str]:
|
|
if isinstance(email, str):
|
|
email = email.replace(';', ',').split(',')
|
|
return [str(recipient).strip() for recipient in (email or []) if str(recipient).strip()]
|
|
|
|
|
|
def _send_message(email: list | str, subject: str, note: str, sender: str, attachment=None) -> bool:
|
|
"""Send a plain/HTML message, optionally with one PDF attachment."""
|
|
if not cfg.MODULES.is_enabled("mail"):
|
|
print("Debug: Module not enabled")
|
|
return False
|
|
|
|
recipients = _normalize_recipients(email)
|
|
if not recipients:
|
|
return False
|
|
|
|
body_message = note
|
|
|
|
HTML_SIGNATURE = f"""
|
|
<table cellpadding="0" cellspacing="0" border="0" style="font-family: Arial, Helvetica, sans-serif; font-size: 13px; color: #333333; line-height: 1.5;">
|
|
<tr>
|
|
<td>
|
|
<p style="margin:0 0 12px 0;">Mit freundlichen Grüßen</p>
|
|
<p style="margin:0;"><strong style="font-size:16px;">Automatisierter Email Verteiler für die Schule: {cfg.get_school_info().get("name")}</strong><br></p><br>
|
|
<p style="margin:12px 0 0 0;"><strong>Invario UG</strong><br>Am Sportplatz 10<br>83052 Bruckmühl</p>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
"""
|
|
|
|
text_content = f"{body_message}\n\nMit freundlichen Grüßen\n{sender}\n"
|
|
|
|
html_content = f"""
|
|
<html>
|
|
<body>
|
|
<p>{body_message}</p>
|
|
<br>
|
|
{HTML_SIGNATURE}
|
|
</body>
|
|
</html>
|
|
"""
|
|
|
|
mails_per_second = 10
|
|
interval = 1.0 / mails_per_second
|
|
|
|
smtp = None
|
|
try:
|
|
smtp = _build_smtp_client()
|
|
|
|
for i, recipient in enumerate(recipients):
|
|
start_time = time.time()
|
|
|
|
msg = MIMEMultipart("mixed" if attachment else "alternative")
|
|
msg["Subject"] = str(subject)
|
|
from_address = "no-reply@invario-software.de"
|
|
msg["From"] = f"{sender} <{from_address}>"
|
|
msg["To"] = str(recipient)
|
|
|
|
body = MIMEMultipart("alternative") if attachment else msg
|
|
body.attach(MIMEText(text_content, "plain"))
|
|
body.attach(MIMEText(html_content, "html"))
|
|
if attachment:
|
|
msg.attach(body)
|
|
attachment_payload, filename = attachment
|
|
pdf_part = MIMEApplication(attachment_payload, _subtype="pdf")
|
|
pdf_part.add_header("Content-Disposition", "attachment", filename=filename)
|
|
msg.attach(pdf_part)
|
|
|
|
smtp.sendmail(
|
|
from_addr=from_address,
|
|
to_addrs=[recipient],
|
|
msg=msg.as_string()
|
|
)
|
|
|
|
elapsed_time = time.time() - start_time
|
|
sleep_time = interval - elapsed_time
|
|
|
|
if sleep_time > 0 and i < len(recipients) - 1:
|
|
time.sleep(sleep_time)
|
|
|
|
return True
|
|
except Exception as e:
|
|
print(f"Debug: Fehler beim Senden der E-Mail: {e}")
|
|
return False
|
|
finally:
|
|
if smtp:
|
|
try:
|
|
smtp.quit()
|
|
except Exception:
|
|
pass
|
|
|
|
|
|
def send(email: list | str, subject: str, note: str, sender: str) -> bool:
|
|
"""Send an HTML/plain email without an attachment."""
|
|
return _send_message(email, subject, note, sender)
|
|
|
|
|
|
def send_pdf(email: list | str, subject: str, note: str, sender: str, pdf_bytes: bytes, filename: str) -> bool:
|
|
"""Send an email with a PDF attachment."""
|
|
return _send_message(email, subject, note, sender, attachment=(pdf_bytes, filename)) |