83 lines
2.8 KiB
Python
83 lines
2.8 KiB
Python
## Copyright © 2026 Olaf Kolkman
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## SPDX-License-Identifier: GPL-3.0-or-later
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from email.message import EmailMessage
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from smtplib import SMTP
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import json
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from backend.app.core.config import settings
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from backend.app.database import get_connection
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def get_smtp_settings() -> dict:
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values = {
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'smtp_host': settings.smtp_host,
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'smtp_port': settings.smtp_port,
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'smtp_username': settings.smtp_username,
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'smtp_password': settings.smtp_password,
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'smtp_from': settings.smtp_from,
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'smtp_use_tls': settings.smtp_use_tls,
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}
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with get_connection() as conn:
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row = conn.execute('SELECT value FROM app_settings WHERE name = ?', ('smtp',)).fetchone()
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if row:
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values.update(json.loads(row['value']))
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return values
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def save_smtp_settings(values: dict) -> None:
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with get_connection() as conn:
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conn.execute(
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'''INSERT INTO app_settings (name, value, updated_at) VALUES (?, ?, CURRENT_TIMESTAMP)
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ON CONFLICT(name) DO UPDATE SET value = excluded.value, updated_at = CURRENT_TIMESTAMP''',
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('smtp', json.dumps(values)),
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)
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conn.commit()
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def smtp_configured() -> bool:
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smtp = get_smtp_settings()
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return bool(smtp['smtp_host'] and smtp['smtp_from'])
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def send_message(email: str, subject: str, body: str) -> None:
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smtp = get_smtp_settings()
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if not smtp_configured():
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raise RuntimeError('SMTP is not configured; set LINKLOG_SMTP_HOST and LINKLOG_SMTP_FROM')
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message = EmailMessage()
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message['Subject'] = subject
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message['From'] = smtp['smtp_from']
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message['To'] = email
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message.set_content(body)
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with SMTP(smtp['smtp_host'], smtp['smtp_port'], timeout=10) as connection:
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if smtp['smtp_use_tls']:
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connection.starttls()
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if smtp['smtp_username']:
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connection.login(smtp['smtp_username'], smtp['smtp_password'])
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connection.send_message(message)
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def send_verification_email(email: str, username: str, verification_url: str) -> None:
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send_message(
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email,
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'Verify your LinkLog email address',
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f'Hello {username},\n\n'
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f'Verify your LinkLog email address by opening this link:\n{verification_url}\n\n'
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f'This link expires in {settings.email_verification_expiry_hours} hours.\n',
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)
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def send_test_email(email: str) -> None:
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send_message(email, 'LinkLog SMTP test', 'This is a test message from LinkLog. SMTP is configured correctly.\n')
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def send_password_reset_email(email: str, username: str, reset_url: str) -> None:
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send_message(
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email,
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'Reset your LinkLog password',
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f'Hello {username},\n\n'
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f'Reset your LinkLog password by opening this link:\n{reset_url}\n\n'
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f'This link expires in {settings.password_reset_expiry_hours} hours.\n',
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) |