Push-Zeitmail: Review-Fixes (Rate-Limit begrenzt, kein NaN-Datum, Störung ≠ gelöscht)
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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@@ -13,21 +13,43 @@ import { applyPushTime, formatMinutes, needsTimeEntry, parseMinutes, MAX_MINUTES
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const router = Router()
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// Einfaches Rate-Limit je IP (30 Anfragen / 15 Minuten)
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// Einfaches Rate-Limit je IP (30 Anfragen / 15 Minuten). Der Speicher bleibt begrenzt: abgelaufene
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// Eintraege fliegen hoechstens einmal pro Minute raus, und bei mehr als RATE_MAX_KEYS IPs wird der
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// aelteste Teil verworfen (Map behaelt die Einfuege-Reihenfolge).
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const RATE_LIMIT = 30
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const RATE_WINDOW_MS = 15 * 60 * 1000
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const RATE_MAX_KEYS = 10000
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const hits = new Map()
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let lastPrune = 0
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export function resetPushTimeRateLimitForTests() {
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hits.clear()
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lastPrune = 0
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}
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function rateLimited(ip) {
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const now = Date.now()
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for (const [key, entry] of hits) if (entry.resetAt <= now) hits.delete(key)
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const entry = hits.get(ip) || { count: 0, resetAt: now + RATE_WINDOW_MS }
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export function pushTimeRateLimitSizeForTests() {
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return hits.size
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}
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export function isRateLimited(ip, now = Date.now()) {
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if (now - lastPrune >= 60 * 1000) {
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lastPrune = now
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for (const [key, entry] of hits) if (entry.resetAt <= now) hits.delete(key)
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}
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let entry = hits.get(ip)
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if (!entry || entry.resetAt <= now) {
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hits.delete(ip)
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if (hits.size >= RATE_MAX_KEYS) {
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let drop = hits.size - RATE_MAX_KEYS + 1
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for (const key of hits.keys()) {
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if (drop-- <= 0) break
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hits.delete(key)
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}
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}
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entry = { count: 0, resetAt: now + RATE_WINDOW_MS }
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hits.set(ip, entry)
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}
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entry.count += 1
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hits.set(ip, entry)
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return entry.count > RATE_LIMIT
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}
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@@ -86,6 +108,12 @@ function errorPage(res, status, title, text) {
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page(res, status, title, `<h1>${e(title)}</h1><p class="mut">${e(text)}</p><a class="btn" href="${e(womsHome())}">Zum Ticketsystem →</a>`)
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}
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/** Stoerung (z. B. Appwrite nicht erreichbar): eigene HTML-Seite statt JSON des globalen Handlers */
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function failurePage(res, err) {
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console.error('[pushTime]', err?.message || err)
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errorPage(res, 503, 'Gerade nicht erreichbar', 'Bitte versuch es gleich noch einmal. Die Zeit wurde nicht gespeichert.')
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}
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/** Repo und Commit-Titel aus den Arbeitsblatt-Details (Format von gitWorksheet.js) */
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function pushInfo(details) {
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const lines = String(details || '').split('\n')
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@@ -143,7 +171,7 @@ function alreadyPage(res, ws, ticket) {
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/** Token pruefen und Arbeitsblatt laden; schickt bei Fehlern selbst die Seite und liefert null. */
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async function resolve(req, res) {
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if (rateLimited(req.ip || 'unbekannt')) {
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if (isRateLimited(req.ip || 'unbekannt')) {
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errorPage(res, 429, 'Zu viele Anfragen', 'Bitte versuch es in ein paar Minuten noch einmal.')
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return null
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}
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@@ -159,7 +187,8 @@ async function resolve(req, res) {
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let ws
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try {
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ws = await getDocument(config.collections.worksheets, check.worksheetId)
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} catch {
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} catch (err) {
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if (err?.status !== 404) throw err
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errorPage(res, 404, 'Nicht mehr vorhanden', 'Dieses Arbeitsblatt gibt es nicht mehr.')
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return null
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}
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@@ -170,18 +199,18 @@ async function resolve(req, res) {
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return { ws, ticket: await loadTicket(ws) }
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}
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router.get('/:token', async (req, res, next) => {
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router.get('/:token', async (req, res) => {
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try {
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const found = await resolve(req, res)
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if (!found) return
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if (!needsTimeEntry(found.ws)) return alreadyPage(res, found.ws, found.ticket)
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formPage(res, 200, { ...found, token: req.params.token, minutes: parseMinutes(req.query.min) ?? '' })
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} catch (err) {
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next(err)
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failurePage(res, err)
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}
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})
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router.post('/:token', async (req, res, next) => {
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router.post('/:token', async (req, res) => {
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try {
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const found = await resolve(req, res)
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if (!found) return
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@@ -199,6 +228,9 @@ router.post('/:token', async (req, res, next) => {
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const result = await applyPushTime(found.ws.$id, minutes)
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if (result.status === 'already') return alreadyPage(res, result.worksheet, found.ticket)
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if (result.status === 'invalid') {
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return errorPage(res, 422, 'Nicht möglich', 'Bei diesem Push fehlt die Uhrzeit. Trag die Zeit bitte direkt im Ticketsystem ein.')
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}
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if (result.status !== 'saved') {
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return errorPage(res, 404, 'Nicht mehr vorhanden', 'Dieses Arbeitsblatt gibt es nicht mehr.')
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}
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@@ -210,7 +242,7 @@ router.post('/:token', async (req, res, next) => {
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`<h1>Danke!</h1><p class="ok">Eingetragen: ${e(formatMinutes(minutes))} auf #${e(woid)}</p>${openTicket(woid)}`
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)
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} catch (err) {
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next(err)
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failurePage(res, err)
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}
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})
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@@ -12,12 +12,20 @@ export const MAX_MINUTES = 720
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const pad = (n) => String(n).padStart(2, '0')
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/** Wand-Uhrzeit rueckwaerts rechnen ('tt.mm.jjjj', 'hhmm'); reine Kalenderrechnung, ohne Zeitzone. */
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/**
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* Wand-Uhrzeit rueckwaerts rechnen ('tt.mm.jjjj', 'hhmm'); reine Kalenderrechnung, ohne Zeitzone
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* (wie "Zeit nachtragen" in WOMS). Ungueltiges Datum/Uhrzeit -> null.
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*/
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export function startFromEnd(endDate, endTime, minutes) {
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const [day, month, year] = String(endDate).split('.').map(Number)
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const hours = Number(String(endTime).slice(0, 2))
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const mins = Number(String(endTime).slice(2, 4))
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const start = new Date(Date.UTC(year, month - 1, day, hours, mins) - minutes * 60 * 1000)
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const date = String(endDate || '').match(/^(\d{2})\.(\d{2})\.(\d{4})$/)
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const time = String(endTime || '').match(/^(\d{2})(\d{2})$/)
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if (!date || !time) return null
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const [day, month, year] = [Number(date[1]), Number(date[2]), Number(date[3])]
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const [hours, mins] = [Number(time[1]), Number(time[2])]
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const end = new Date(Date.UTC(year, month - 1, day, hours, mins))
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// 31.02. o. ae. rollt in Date.UTC weiter - dann ist das Datum ungueltig
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if (end.getUTCDate() !== day || end.getUTCMonth() !== month - 1 || hours > 23 || mins > 59) return null
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const start = new Date(end.getTime() - minutes * 60 * 1000)
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return {
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startDate: `${pad(start.getUTCDate())}.${pad(start.getUTCMonth() + 1)}.${start.getUTCFullYear()}`,
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startTime: `${pad(start.getUTCHours())}${pad(start.getUTCMinutes())}`,
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@@ -50,20 +58,25 @@ export function formatMinutes(min) {
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}
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/**
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* @returns {Promise<{ status: 'saved' | 'already' | 'missing' | 'not_git', worksheet?: object }>}
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* @returns {Promise<{ status: 'saved' | 'already' | 'missing' | 'not_git' | 'invalid', worksheet?: object }>}
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* invalid: Push-Datum/-Uhrzeit im Arbeitsblatt unbrauchbar (nichts gespeichert).
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* Andere Appwrite-Fehler als 404 werden weitergeworfen.
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*/
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export async function applyPushTime(worksheetId, minutes) {
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return withLocks([`ws-time:${worksheetId}`], async () => {
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let ws
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try {
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ws = await getDocument(config.collections.worksheets, worksheetId)
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} catch {
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return { status: 'missing' }
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} catch (err) {
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if (err?.status === 404) return { status: 'missing' }
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throw err
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}
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if (ws.serviceType !== 'GIT') return { status: 'not_git', worksheet: ws }
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if (!needsTimeEntry(ws)) return { status: 'already', worksheet: ws }
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const { startDate, startTime } = startFromEnd(ws.endDate, ws.endTime, minutes)
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const start = startFromEnd(ws.endDate, ws.endTime, minutes)
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if (!start) return { status: 'invalid', worksheet: ws }
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const { startDate, startTime } = start
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const worksheet = await updateDocument(config.collections.worksheets, worksheetId, {
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startDate,
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startTime,
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