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links/netscan/notifications.py
2026-03-21 16:41:14 +11:00

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import logging
import requests
logger = logging.getLogger(__name__)
SEVERITY_ORDER = ['ok', 'info', 'warning', 'critical']
SEVERITY_ICONS = {'critical': '🔴', 'warning': '🟡', 'ok': '🟢', 'info': '️'}
def notify_telegram(profile, run, findings):
"""
Send a Telegram message if any finding meets or exceeds notify_on_severity.
"""
threshold_idx = SEVERITY_ORDER.index(profile.notify_on_severity)
flagged = [f for f in findings if SEVERITY_ORDER.index(f.severity) >= threshold_idx]
if not flagged:
return
finished_str = run.finished_at.strftime('%Y-%m-%d %H:%M') if run.finished_at else 'unknown'
lines = [
f'🔒 *NetScan Alert* — {profile.name}',
f'Run \\#{run.pk} finished at {finished_str}',
f'Summary: {run.summary}',
'',
]
for f in flagged[:10]:
icon = SEVERITY_ICONS.get(f.severity, '•')
lines.append(f'{icon} *{f.title}*\n {f.detail[:120]}')
if len(flagged) > 10:
lines.append(f'_...and {len(flagged) - 10} more findings_')
text = '\n'.join(lines)
url = f'https://api.telegram.org/bot{profile.telegram_bot_token}/sendMessage'
resp = requests.post(url, json={
'chat_id': profile.telegram_chat_id,
'text': text,
'parse_mode': 'Markdown',
}, timeout=10)
resp.raise_for_status()
logger.info(f'Telegram notification sent for run #{run.pk}')
def send_test_telegram(profile) -> dict:
"""Send a test message. Returns {'ok': True} or {'ok': False, 'error': str}."""
if not profile.telegram_bot_token or not profile.telegram_chat_id:
return {'ok': False, 'error': 'Telegram bot token or chat ID not configured.'}
try:
url = f'https://api.telegram.org/bot{profile.telegram_bot_token}/sendMessage'
resp = requests.post(url, json={
'chat_id': profile.telegram_chat_id,
'text': f'✅ *NetScan test message* from profile _{profile.name}_. Notifications are working.',
'parse_mode': 'Markdown',
}, timeout=10)
resp.raise_for_status()
return {'ok': True}
except Exception as e:
return {'ok': False, 'error': str(e)}