Ulas
1122bd269b
Replace all — with - in all source files (JS, CSS, HTML, JSON, Markdown) for consistency and readability. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
404 lines
14 KiB
JavaScript
404 lines
14 KiB
JavaScript
/**
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* Modul: Apple Calendar Sync (CalDAV)
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* Zweck: Bidirektionaler Sync mit iCloud Calendar via CalDAV-Protokoll
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* Abhängigkeiten: tsdav (ESM - dynamisch importiert), server/db.js
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*
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* Konfiguration (.env):
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* APPLE_CALDAV_URL - z.B. https://caldav.icloud.com
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* APPLE_USERNAME - Apple-ID E-Mail
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* APPLE_APP_SPECIFIC_PASSWORD - App-spezifisches Passwort aus appleid.apple.com
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*
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* sync_config-Schlüssel:
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* apple_last_sync - ISO-8601-Timestamp des letzten Syncs
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*/
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'use strict';
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const db = require('../db');
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const APPLE_COLOR = '#FC3C44';
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// --------------------------------------------------------
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// sync_config Helfer
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// --------------------------------------------------------
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function cfgGet(key) {
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const row = db.get().prepare('SELECT value FROM sync_config WHERE key = ?').get(key);
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return row ? row.value : null;
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}
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function cfgSet(key, value) {
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db.get().prepare(`
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INSERT INTO sync_config (key, value)
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VALUES (?, ?)
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ON CONFLICT(key) DO UPDATE SET value = excluded.value,
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updated_at = strftime('%Y-%m-%dT%H:%M:%SZ', 'now')
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`).run(key, value);
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}
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function cfgDel(key) {
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db.get().prepare('DELETE FROM sync_config WHERE key = ?').run(key);
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}
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// --------------------------------------------------------
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// Credentials: sync_config hat Vorrang vor .env
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// --------------------------------------------------------
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function getCredentials() {
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const url = cfgGet('apple_caldav_url') || process.env.APPLE_CALDAV_URL;
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const username = cfgGet('apple_username') || process.env.APPLE_USERNAME;
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const password = cfgGet('apple_app_password') || process.env.APPLE_APP_SPECIFIC_PASSWORD;
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if (!url || !username || !password) return null;
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return { url, username, password };
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}
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function saveCredentials(url, username, password) {
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cfgSet('apple_caldav_url', url);
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cfgSet('apple_username', username);
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cfgSet('apple_app_password', password);
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}
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function clearCredentials() {
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['apple_caldav_url', 'apple_username', 'apple_app_password', 'apple_last_sync'].forEach(cfgDel);
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console.log('[Apple] Verbindung getrennt.');
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}
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// --------------------------------------------------------
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// Verbindungsstatus
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// --------------------------------------------------------
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function getStatus() {
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const creds = getCredentials();
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const configured = !!creds;
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const connected = !!(cfgGet('apple_caldav_url')); // via UI gespeichert
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const lastSync = cfgGet('apple_last_sync');
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return { configured, connected, lastSync };
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}
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/**
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* Verbindungstest: CalDAV-Client erstellen und Kalender abrufen.
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* Wirft einen Fehler wenn die Credentials ungültig sind.
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*/
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async function testConnection() {
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const creds = getCredentials();
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if (!creds) throw new Error('[Apple] Keine Credentials konfiguriert.');
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const { createDAVClient } = await import('tsdav');
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const client = await createDAVClient({
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serverUrl: creds.url,
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credentials: { username: creds.username, password: creds.password },
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authMethod: 'Basic',
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defaultAccountType: 'caldav',
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});
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const calendars = await client.fetchCalendars();
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if (!calendars.length) throw new Error('[Apple] Verbunden, aber keine Kalender gefunden.');
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return { ok: true, calendarCount: calendars.length };
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}
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// --------------------------------------------------------
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// Minimaler ICS-Parser
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// --------------------------------------------------------
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/**
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* Entfaltet ICS-Zeilenfortsetzungen (RFC 5545 §3.1).
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* @param {string} ics
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* @returns {string}
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*/
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function unfoldLines(ics) {
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return ics.replace(/\r?\n[ \t]/g, '');
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}
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/**
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* Extrahiert alle VEVENT-Blöcke aus einem ICS-String.
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* @param {string} ics
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* @returns {Array<{uid, summary, description, location, dtstart, dtend, rrule, allDay}>}
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*/
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function parseICS(ics) {
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const unfolded = unfoldLines(ics);
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const events = [];
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const vEventRe = /BEGIN:VEVENT([\s\S]*?)END:VEVENT/g;
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let match;
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while ((match = vEventRe.exec(unfolded)) !== null) {
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const block = match[1];
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const get = (prop) => {
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const re = new RegExp(`^${prop}(?:;[^:]*)?:(.*)$`, 'im');
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const m = re.exec(block);
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return m ? m[1].trim() : null;
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};
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const uid = get('UID');
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const summary = get('SUMMARY') || '(kein Titel)';
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const description = get('DESCRIPTION') || null;
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const location = get('LOCATION') || null;
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const rrule = get('RRULE') ? `RRULE:${get('RRULE')}` : null;
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// DTSTART - mit optionalem TZID oder VALUE=DATE
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const dtStartRaw = (() => {
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const m = /^DTSTART(?:;[^:]*)?:(.*)$/im.exec(block);
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return m ? m[1].trim() : null;
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})();
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const dtEndRaw = (() => {
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const m = /^DTEND(?:;[^:]*)?:(.*)$/im.exec(block);
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return m ? m[1].trim() : null;
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})();
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const allDay = /^DTSTART;VALUE=DATE:/im.test(block);
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const dtstart = dtStartRaw ? formatICSDate(dtStartRaw, allDay) : null;
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let dtend = dtEndRaw ? formatICSDate(dtEndRaw, allDay) : null;
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// RFC 5545: DTEND for VALUE=DATE is exclusive - subtract one day
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if (allDay && dtend) {
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const d = new Date(dtend + 'T00:00:00');
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d.setDate(d.getDate() - 1);
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dtend = `${d.getFullYear()}-${String(d.getMonth() + 1).padStart(2, '0')}-${String(d.getDate()).padStart(2, '0')}`;
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}
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// DURATION fallback when DTEND is missing (e.g. DURATION:P3D)
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if (!dtend && dtstart) {
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const durMatch = /^DURATION(?:;[^:]*)?:(.*)$/im.exec(block);
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if (durMatch) {
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dtend = applyDuration(dtstart, durMatch[1].trim(), allDay);
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}
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}
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if (!uid || !dtstart) continue;
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events.push({ uid, summary, description, location, dtstart, dtend, rrule, allDay });
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}
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return events;
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}
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/**
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* Konvertiert ICS-Datumswert in ISO-8601-String.
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* Unterstützt: DATE (20240101), DATE-TIME lokal (20240101T120000),
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* DATE-TIME UTC (20240101T120000Z), DATE-TIME mit TZID (ignoriert TZID, behandelt als lokal).
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* @param {string} val
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* @param {boolean} allDay
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* @returns {string}
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*/
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function formatICSDate(val, allDay) {
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if (allDay || /^\d{8}$/.test(val)) {
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// DATE: YYYYMMDD → YYYY-MM-DD
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return `${val.slice(0, 4)}-${val.slice(4, 6)}-${val.slice(6, 8)}`;
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}
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// DATE-TIME: YYYYMMDDTHHMMSS[Z]
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const y = val.slice(0, 4);
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const mo = val.slice(4, 6);
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const d = val.slice(6, 8);
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const h = val.slice(9, 11);
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const mi = val.slice(11, 13);
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const s = val.slice(13, 15) || '00';
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const z = val.endsWith('Z') ? 'Z' : '';
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return `${y}-${mo}-${d}T${h}:${mi}:${s}${z}`;
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}
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/**
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* Berechnet ein Enddatum aus Start + ICS-DURATION (P-Format, Subset: PnW, PnD, PnDTnHnMnS).
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* Für all-day Events gibt es YYYY-MM-DD zurück (inklusive, bereits um 1 Tag reduziert),
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* für timed Events einen ISO-DateTime-String.
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*/
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function applyDuration(dtstart, dur, allDay) {
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const m = /^P(?:(\d+)W)?(?:(\d+)D)?(?:T(?:(\d+)H)?(?:(\d+)M)?(?:(\d+)S)?)?$/.exec(dur);
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if (!m) return null;
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const weeks = parseInt(m[1] || '0', 10);
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const days = parseInt(m[2] || '0', 10);
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const hours = parseInt(m[3] || '0', 10);
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const mins = parseInt(m[4] || '0', 10);
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const secs = parseInt(m[5] || '0', 10);
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const base = new Date(dtstart.includes('T') ? dtstart : dtstart + 'T00:00:00');
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base.setDate(base.getDate() + weeks * 7 + days);
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base.setHours(base.getHours() + hours, base.getMinutes() + mins, base.getSeconds() + secs);
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if (allDay) {
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// Duration end is exclusive for DATE values - subtract one day for inclusive storage
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base.setDate(base.getDate() - 1);
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return `${base.getFullYear()}-${String(base.getMonth() + 1).padStart(2, '0')}-${String(base.getDate()).padStart(2, '0')}`;
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}
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return base.toISOString().replace('.000Z', 'Z');
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}
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// --------------------------------------------------------
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// Minimaler ICS-Builder
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// --------------------------------------------------------
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/**
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* Erstellt einen minimalen ICS-String für ein lokales Event.
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* @param {{ id, title, description, start_datetime, end_datetime, all_day, location, recurrence_rule }} event
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* @returns {string}
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*/
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function buildICS(event) {
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const uid = `oikos-${event.id}@oikos.local`;
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const now = new Date().toISOString().replace(/[-:]/g, '').replace(/\.\d{3}/, '');
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const lines = [
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'BEGIN:VCALENDAR',
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'VERSION:2.0',
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'PRODID:-//Oikos//Familienplaner//DE',
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'BEGIN:VEVENT',
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`UID:${uid}`,
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`DTSTAMP:${now}`,
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`SUMMARY:${escapeICS(event.title)}`,
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];
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if (event.all_day) {
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const startDate = event.start_datetime.slice(0, 10).replace(/-/g, '');
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// RFC 5545: DTEND for VALUE=DATE is exclusive - add one day
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const endSrc = (event.end_datetime || event.start_datetime).slice(0, 10);
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const endD = new Date(endSrc + 'T00:00:00');
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endD.setDate(endD.getDate() + 1);
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const endDate = `${endD.getFullYear()}${String(endD.getMonth() + 1).padStart(2, '0')}${String(endD.getDate()).padStart(2, '0')}`;
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lines.push(`DTSTART;VALUE=DATE:${startDate}`);
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lines.push(`DTEND;VALUE=DATE:${endDate}`);
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} else {
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const startDt = event.start_datetime.replace(/[-:]/g, '').replace(/\.\d{3}/, '');
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const endDt = (event.end_datetime || event.start_datetime).replace(/[-:]/g, '').replace(/\.\d{3}/, '');
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lines.push(`DTSTART:${startDt}`);
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lines.push(`DTEND:${endDt}`);
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}
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if (event.description) lines.push(`DESCRIPTION:${escapeICS(event.description)}`);
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if (event.location) lines.push(`LOCATION:${escapeICS(event.location)}`);
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if (event.recurrence_rule) lines.push(event.recurrence_rule); // z.B. RRULE:FREQ=WEEKLY;BYDAY=MO
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lines.push('END:VEVENT', 'END:VCALENDAR');
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return lines.join('\r\n');
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}
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function escapeICS(str) {
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return String(str).replace(/\\/g, '\\\\').replace(/;/g, '\\;').replace(/,/g, '\\,').replace(/\n/g, '\\n');
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}
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// --------------------------------------------------------
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// Sync
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// --------------------------------------------------------
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/**
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* Bidirektionaler CalDAV-Sync mit iCloud.
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* Inbound: iCloud → lokale DB (Upsert via external_calendar_id = UID)
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* Outbound: lokale Termine (external_source='local', external_calendar_id IS NULL) → iCloud
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*/
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async function sync() {
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const creds = getCredentials();
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if (!creds) {
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throw new Error('[Apple] Keine Credentials konfiguriert (weder in DB noch in .env).');
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}
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// tsdav ist ESM-only - dynamischer Import aus CommonJS
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const { createDAVClient } = await import('tsdav');
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const client = await createDAVClient({
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serverUrl: creds.url,
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credentials: { username: creds.username, password: creds.password },
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authMethod: 'Basic',
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defaultAccountType: 'caldav',
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});
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const calendars = await client.fetchCalendars();
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if (!calendars.length) {
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console.warn('[Apple] Keine Kalender gefunden.');
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return;
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}
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// created_by: ersten existierenden User verwenden (nicht hardcoded ID 1)
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const owner = db.get().prepare('SELECT id FROM users ORDER BY id ASC LIMIT 1').get();
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if (!owner) {
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console.warn('[Apple] Kein User in der Datenbank - Sync übersprungen.');
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return;
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}
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const createdBy = owner.id;
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// Alle Kalender synchen (inklusive Geburtstags-Kalender)
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const syncCalendars = calendars;
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let totalObjects = 0;
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for (const cal of syncCalendars) {
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let calObjects;
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try {
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calObjects = await client.fetchCalendarObjects({ calendar: cal });
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} catch (err) {
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console.warn(`[Apple] Kalender "${cal.displayName || '(unbenannt)'}" nicht abrufbar: ${err.message}`);
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continue;
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}
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totalObjects += calObjects.length;
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// --------------------------------------------------------
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// Inbound: iCloud → lokal
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// --------------------------------------------------------
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for (const obj of calObjects) {
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const parsed = parseICS(obj.data || '');
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for (const ev of parsed) {
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try {
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const existing = db.get().prepare(
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`SELECT id FROM calendar_events WHERE external_calendar_id = ? AND external_source = 'apple'`
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).get(ev.uid);
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if (existing) {
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db.get().prepare(`
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UPDATE calendar_events
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SET title = ?, description = ?, start_datetime = ?, end_datetime = ?,
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all_day = ?, location = ?, recurrence_rule = ?
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WHERE id = ?
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`).run(
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ev.summary, ev.description, ev.dtstart, ev.dtend,
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ev.allDay ? 1 : 0, ev.location, ev.rrule, existing.id
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);
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} else {
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db.get().prepare(`
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INSERT INTO calendar_events
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(title, description, start_datetime, end_datetime, all_day,
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location, color, external_calendar_id, external_source, recurrence_rule, created_by)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?, 'apple', ?, ?)
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`).run(
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ev.summary, ev.description, ev.dtstart, ev.dtend,
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ev.allDay ? 1 : 0, ev.location, APPLE_COLOR, ev.uid, ev.rrule, createdBy
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);
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}
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} catch (err) {
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console.error(`[Apple] Upsert-Fehler für UID ${ev.uid}:`, err.message);
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}
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}
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}
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}
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// --------------------------------------------------------
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// Outbound: lokal → iCloud (erster verfügbarer Kalender)
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// --------------------------------------------------------
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const defaultCal = syncCalendars[0];
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const localEvents = db.get().prepare(`
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SELECT * FROM calendar_events
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WHERE external_source = 'local' AND external_calendar_id IS NULL
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`).all();
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for (const event of localEvents) {
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try {
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const icsData = buildICS(event);
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const uid = `oikos-${event.id}@oikos.local`;
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const filename = `${uid}.ics`;
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await client.createCalendarObject({
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calendar: defaultCal,
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filename,
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iCalString: icsData,
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});
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db.get().prepare(`
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UPDATE calendar_events SET external_calendar_id = ?, external_source = 'apple' WHERE id = ?
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`).run(uid, event.id);
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} catch (err) {
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console.error(`[Apple] Outbound-Fehler für Event ${event.id}:`, err.message);
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}
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}
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cfgSet('apple_last_sync', new Date().toISOString());
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console.log(`[Apple] Sync abgeschlossen - ${totalObjects} Objekte aus ${syncCalendars.length} Kalendern inbound, ${localEvents.length} lokal → iCloud.`);
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}
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module.exports = { sync, getStatus, saveCredentials, clearCredentials, testConnection };
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