Bertomlab/ICS-Calendar-fixer-HA
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This commit is contained in:
Joris Bertomeu
2025-08-19 16:24:10 +02:00
commit 6933c25717
7 changed files with 1747 additions and 0 deletions
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# Dépendances
node_modules
npm-debug.log*
yarn-debug.log*
yarn-error.log*
# Fichiers de développement
.git
.gitignore
README.md
.env
.env.local
.env.development
.env.test
.env.production
# Logs
logs
*.log
# Fichiers temporaires
.tmp
.temp
*.tmp
*.temp
# IDE
.vscode
.idea
*.swp
*.swo
# OS
.DS_Store
Thumbs.db
# Docker
Dockerfile*
docker-compose*
.dockerignore

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# Environment variables
#.env
# Logs
logs
*.log
npm-debug.log*
# Documentation
docs
# Runtime data
pids
*.pid
*.seed
# Directory for instrumented libs generated by jscoverage/JSCover
lib-cov
# Coverage directory used by tools like istanbul
coverage
# nyc test coverage
.nyc_output
# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
.grunt
# node-waf configuration
.lock-wscript
# Compiled binary addons (http://nodejs.org/api/addons.html)
build/Release
# Dependency directories
node_modules
jspm_packages
# Optional npm cache directory
.npm
# Optional REPL history
.node_repl_history
[Uu]ploads/
dist/

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FROM node:22-alpine
RUN addgroup -g 1001 -S nodejs && \
adduser -S nodeuser -u 1001
WORKDIR /app
COPY package*.json ./
RUN npm ci --only=production && \
npm cache clean --force
COPY index.js ./
EXPOSE 3000
LABEL maintainer="joris.bertomeu@gmail.com" \
version="1.0" \
description="Gateway ICS pour Home Assistant"
ENV NODE_ENV=production \
PORT=3000
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
CMD wget --no-verbose --tries=1 --spider http://localhost:3000/health || exit 1
CMD ["node", "index.js"]

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const express = require('express');
const axios = require('axios');
const app = express();
const PORT = process.env.PORT || 3000;
const NETSIDE_CALENDAR_URL = 'https://serv1.netside-planning.com/mb/peadpbaetb75b/79/dha2bu2wxmuewj7afeqh/en/nspl.ics';
function fixICSForHomeAssistant(icsContent) {
let lines = icsContent.split(/\r?\n/);
let fixed = [];
let inTimezone = false;
let timezoneMap = new Map();
let currentTimezone = null;
for (let i = 0; i < lines.length; i++) {
let line = lines[i].trim();
if (line === 'BEGIN:VTIMEZONE') {
inTimezone = true;
currentTimezone = { tzid: null, hasStandard: false, hasDaylight: false };
continue;
}
if (line === 'END:VTIMEZONE') {
inTimezone = false;
if (currentTimezone && currentTimezone.tzid) {
timezoneMap.set(currentTimezone.tzid, currentTimezone);
}
currentTimezone = null;
continue;
}
if (inTimezone && currentTimezone) {
if (line.startsWith('TZID:')) {
currentTimezone.tzid = line.substring(5);
} else if (line === 'BEGIN:STANDARD') {
currentTimezone.hasStandard = true;
} else if (line === 'BEGIN:DAYLIGHT') {
currentTimezone.hasDaylight = true;
}
}
}
console.log(`Timezones détectées: ${Array.from(timezoneMap.keys()).join(', ')}`);
const utcTimezone = [
'BEGIN:VTIMEZONE',
'TZID:UTC',
'BEGIN:STANDARD',
'DTSTART:19700101T000000',
'TZOFFSETFROM:+0000',
'TZOFFSETTO:+0000',
'TZNAME:UTC',
'END:STANDARD',
'END:VTIMEZONE'
];
inTimezone = false;
let inCalendar = false;
let hasValidTimezone = false;
for (let i = 0; i < lines.length; i++) {
let line = lines[i].trim();
if (line === 'BEGIN:VCALENDAR') {
inCalendar = true;
fixed.push(line);
continue;
}
if (inCalendar && !hasValidTimezone && (line.startsWith('VERSION:') || line.startsWith('PRODID:'))) {
fixed.push(line);
if (line.startsWith('PRODID:')) {
fixed.push(...utcTimezone);
hasValidTimezone = true;
}
continue;
}
if (line === 'BEGIN:VTIMEZONE') {
inTimezone = true;
continue;
}
if (line === 'END:VTIMEZONE') {
inTimezone = false;
continue;
}
if (inTimezone) {
continue;
}
if (line.startsWith('DTSTART') || line.startsWith('DTEND')) {
if (line.includes('TZID=')) {
const tzidMatch = line.match(/TZID=([^;:]+)/);
if (tzidMatch) {
const originalTzid = tzidMatch[1];
line = line.replace(/;TZID=[^;:]+/, '');
console.log(`Supprimé TZID ${originalTzid} pour événement multi-jours`);
}
}
const dateValueMatch = line.match(/:(\d{8})(?:T(\d{6})Z?)?$/);
if (dateValueMatch) {
const dateOnly = dateValueMatch[1];
const timeOnly = dateValueMatch[2];
if (timeOnly) {
if (!line.endsWith('Z')) {
line = line.replace(/:(\d{8}T\d{6})$/, ':$1Z');
}
} else {
line = line.replace(/:(\d{8})$/, ';VALUE=DATE:$1');
}
}
}
if (line.includes('TZID=')) {
const tzidMatch = line.match(/TZID=([^;:]+)/);
if (tzidMatch) {
const originalTzid = tzidMatch[1];
if (line.includes('DTSTART') || line.includes('DTEND') || line.includes('DTSTAMP')) {
line = line.replace(/TZID=[^;:]+/, 'TZID=UTC');
const valueMatch = line.match(/:(\d{8})$/);
if (valueMatch) {
line = line.replace(/:(\d{8})$/, ':$1T000000Z');
line = line.replace(/;TZID=UTC/, '');
}
} else {
line = line.replace(/;TZID=[^;:]+/, '');
}
console.log(`Normalisé timezone ${originalTzid} vers UTC`);
}
}
if ((line.startsWith('DTSTART:') || line.startsWith('DTEND:') || line.startsWith('DTSTAMP:'))
&& line.match(/:\d{8}T\d{6}$/) && !line.endsWith('Z')) {
line = line + 'Z';
}
if (line.startsWith('TZID:') && !inTimezone) {
continue;
}
if (line === '') {
continue;
}
if (line.startsWith('RRULE:')) {
line = line.replace(/;+/g, ';').replace(/;$/, '');
}
line = line.replace(/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]/g, '');
fixed.push(line);
}
const result = fixed.join('\n');
if (!result.includes('BEGIN:VCALENDAR')) {
console.warn('VCALENDAR manquant, ajout...');
return 'BEGIN:VCALENDAR\nVERSION:2.0\nPRODID:-//ICS-Gateway//Gateway//EN\n' +
utcTimezone.join('\n') + '\n' + result + '\nEND:VCALENDAR';
}
if (!result.includes('END:VCALENDAR')) {
console.warn('END:VCALENDAR manquant, ajout...');
return result + '\nEND:VCALENDAR';
}
console.log('ICS normalisé avec succès');
return result;
}
app.get('/calendar.ics', async (req, res) => {
try {
console.log('Récupération du calendrier depuis Netside...');
const response = await axios.get(NETSIDE_CALENDAR_URL, {
timeout: 10000,
headers: {
'User-Agent': 'HomeAssistant-Gateway/1.0'
}
});
console.log('Calendrier récupéré, correction en cours...');
const fixedICS = fixICSForHomeAssistant(response.data);
res.set({
'Content-Type': 'text/calendar; charset=utf-8',
'Content-Disposition': 'inline; filename=calendar.ics',
'Cache-Control': 'no-cache, no-store, must-revalidate',
'Pragma': 'no-cache',
'Expires': '0'
});
res.send(fixedICS);
console.log('Calendrier corrigé envoyé avec succès');
} catch (error) {
console.error('Erreur lors de la récupération du calendrier:', error.message);
res.status(500).json({
error: 'Impossible de récupérer le calendrier',
details: error.message
});
}
});
app.get('/health', (req, res) => {
res.json({
status: 'OK',
service: 'ICS Gateway for Home Assistant',
timestamp: new Date().toISOString()
});
});
app.get('/debug/original', async (req, res) => {
try {
const response = await axios.get(NETSIDE_CALENDAR_URL);
res.set('Content-Type', 'text/plain');
res.send(response.data);
} catch (error) {
res.status(500).json({ error: error.message });
}
});
app.listen(PORT, () => {
console.log(`🚀 Serveur ICS Gateway démarré sur le port ${PORT}`);
console.log(`📅 Calendrier disponible sur: http://localhost:${PORT}/calendar.ics`);
console.log(`🔍 Health check: http://localhost:${PORT}/health`);
console.log(`🐛 Debug (original): http://localhost:${PORT}/debug/original`);
});

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{
"name": "ics-gateway-homeassistant",
"version": "1.0.0",
"description": "Gateway Node.js pour corriger les fichiers ICS et les rendre compatibles avec Home Assistant",
"main": "index.js",
"scripts": {
"start": "node index.js",
"dev": "nodemon index.js"
},
"dependencies": {
"axios": "^1.11.0",
"express": "^5.1.0"
},
"devDependencies": {
"nodemon": "^3.0.1"
},
"keywords": [
"ics",
"calendar",
"homeassistant",
"gateway"
],
"author": "Votre nom",
"license": "MIT"
}