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Update notification_channels.py

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MacRimi
2026-03-03 20:49:36 +01:00
parent 2851eae423
commit 2a75b920a0
1 changed files with 58 additions and 20 deletions
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78
AppImage/scripts/notification_channels.py
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@@ -414,21 +414,65 @@ class EmailChannel(NotificationChannel):
return self._send_with_retry(_do_send)
def _send_smtp(self, subject: str, body: str, severity: str,
data: Optional[Dict] = None) -> Tuple[int, str]:
import smtplib
from email.message import EmailMessage
@staticmethod
def _get_logo_path() -> str:
"""Locate the ProxMenux logo PNG for email embedding."""
import os
candidates = [
os.path.join(os.path.dirname(__file__), '..', 'public', 'images', 'proxmenux-logo.png'),
'/opt/proxmenux-monitor/public/images/proxmenux-logo.png',
os.path.join(os.path.dirname(__file__), 'proxmenux-logo.png'),
]
for p in candidates:
real = os.path.realpath(p)
if os.path.isfile(real):
return real
return ''
def _build_mime_message(self, subject: str, body: str, severity: str,
data: Optional[Dict] = None):
"""Build a MIMEMultipart email with embedded logo."""
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.mime.image import MIMEImage
msg = EmailMessage()
msg = MIMEMultipart('related')
msg['Subject'] = subject
msg['From'] = self.from_address
msg['To'] = ', '.join(self.to_addresses)
msg.set_content(body)
# Add HTML alternative
# Create alternative container (plain text + HTML)
alt = MIMEMultipart('alternative')
msg.attach(alt)
# Plain text version
alt.attach(MIMEText(body, 'plain', 'utf-8'))
# HTML version
html_body = self._format_html(subject, body, severity, data)
if html_body:
msg.add_alternative(html_body, subtype='html')
alt.attach(MIMEText(html_body, 'html', 'utf-8'))
# Embed logo as CID attachment
logo_path = self._get_logo_path()
if logo_path:
try:
with open(logo_path, 'rb') as f:
logo_data = f.read()
logo_img = MIMEImage(logo_data, _subtype='png')
logo_img.add_header('Content-ID', '<proxmenux-logo>')
logo_img.add_header('Content-Disposition', 'inline', filename='proxmenux-logo.png')
msg.attach(logo_img)
except Exception:
pass # Logo not found -- email still works without it
return msg
def _send_smtp(self, subject: str, body: str, severity: str,
data: Optional[Dict] = None) -> Tuple[int, str]:
import smtplib
msg = self._build_mime_message(subject, body, severity, data)
server = None
try:
@@ -479,22 +523,13 @@ class EmailChannel(NotificationChannel):
data: Optional[Dict] = None) -> Tuple[int, str]:
import os
import subprocess
from email.message import EmailMessage
sendmail = '/usr/sbin/sendmail'
if not os.path.exists(sendmail):
return 0, 'sendmail not found at /usr/sbin/sendmail'
msg = EmailMessage()
msg['Subject'] = subject
msg['From'] = self.from_address or 'proxmenux@localhost'
msg['To'] = ', '.join(self.to_addresses)
msg.set_content(body)
# Add HTML alternative
html_body = self._format_html(subject, body, severity, data)
if html_body:
msg.add_alternative(html_body, subtype='html')
msg = self._build_mime_message(subject, body, severity, data)
msg.replace_header('From', self.from_address or 'proxmenux@localhost')
try:
proc = subprocess.run(
@@ -606,7 +641,10 @@ class EmailChannel(NotificationChannel):
<div style="background:#1f2937;padding:20px 28px;">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td>
<td style="width:40px;vertical-align:middle;padding-right:14px;">
<img src="cid:proxmenux-logo" alt="M" width="36" height="36" style="display:block;border:0;border-radius:4px;" />
</td>
<td style="vertical-align:middle;">
<h1 style="margin:0;font-size:18px;font-weight:700;color:#ffffff;letter-spacing:-0.02em;">ProxMenux Monitor</h1>
<p style="margin:4px 0 0;font-size:12px;color:#9ca3af;">{html_mod.escape(section_label)} Report</p>
</td>