Merge pull request 'dev' (#47) from dev into main

Reviewed-on: #47

android-app/app/build.gradle.kts

@@ -78,12 +78,12 @@ val ensureProductionApiBaseUrl = tasks.register("ensureProductionApiBaseUrl") {
 
 android {
     namespace = "de.harheimertc"
-    compileSdk = 35
+    compileSdk = 36
 
     defaultConfig {
         applicationId = "de.harheimertc"
         minSdk = 24
-        targetSdk = 35
+        targetSdk = 36
         versionCode = androidVersionCode
         versionName = androidVersionName
     }

android-app/app/src/main/java/de/harheimertc/data/ApiService.kt

@@ -166,6 +166,7 @@ data class MembershipResponse(
     val success: Boolean = false,
     val message: String? = null,
     val downloadUrl: String? = null,
+    val downloadToken: String? = null,
 )
 data class LoginRequest(
     val email: String,
@@ -660,7 +661,10 @@ interface ApiService {
 
     @Streaming
     @GET
-    suspend fun downloadMembershipPdf(@Url downloadUrl: String): Response<ResponseBody>
+    suspend fun downloadMembershipPdf(
+        @Url downloadUrl: String,
+        @retrofit2.http.Header("X-Membership-Download-Token") downloadToken: String? = null,
+    ): Response<ResponseBody>
 
     @POST("/api/auth/login")
     suspend fun login(@Body request: LoginRequest): Response<LoginResponse>

android-app/app/src/main/java/de/harheimertc/notifications/HarheimerNotifications.kt

@@ -16,14 +16,16 @@ import de.harheimertc.R
 import de.harheimertc.ui.navigation.Destinations
 
 object HarheimerNotifications {
-    const val DEFAULT_CHANNEL_ID = "harheimer_tc_updates"
+    // A new ID is intentional: Android does not allow an app update to raise
+    // the importance of an already-created notification channel.
+    const val DEFAULT_CHANNEL_ID = "harheimer_tc_updates_v2"
 
     fun createChannels(context: Context) {
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) return
         val channel = NotificationChannel(
             DEFAULT_CHANNEL_ID,
             "Harheimer TC",
-            NotificationManager.IMPORTANCE_DEFAULT,
+            NotificationManager.IMPORTANCE_HIGH,
         ).apply {
             description = "Benachrichtigungen des Harheimer TC"
         }
@@ -47,7 +49,7 @@ object HarheimerNotifications {
             .setContentTitle(title)
             .setContentText(message)
             .setStyle(NotificationCompat.BigTextStyle().bigText(message))
-            .setPriority(NotificationCompat.PRIORITY_DEFAULT)
+            .setPriority(NotificationCompat.PRIORITY_HIGH)
             .setContentIntent(createContentIntent(context, notificationId, data))
             .setAutoCancel(true)
             .build()

android-app/app/src/main/java/de/harheimertc/repositories/MembershipRepository.kt

@@ -9,7 +9,7 @@ import java.io.File
 import javax.inject.Inject
 import javax.inject.Singleton
 
-data class MembershipDocument(val message: String, val uri: String)
+data class MembershipDocument(val message: String, val uri: String? = null)
 
 @Singleton
 class MembershipRepository @Inject constructor(
@@ -18,21 +18,33 @@ class MembershipRepository @Inject constructor(
 ) {
     suspend fun submit(request: MembershipRequest): Result<MembershipDocument> = runCatching {
         val response = api.generateMembershipPdf(request)
-        if (!response.isSuccessful) error("HTTP ${response.code()}")
+        if (!response.isSuccessful) {
+            val serverMessage = response.errorBody()?.string()
+                ?.let { Regex("\\\"(?:statusMessage|message)\\\"\\s*:\\s*\\\"([^\\\"]+)\\\"").find(it)?.groupValues?.getOrNull(1) ?: it }
+                ?.takeIf { it.isNotBlank() }
+            error(serverMessage ?: "Der Antrag konnte nicht übermittelt werden (HTTP ${response.code()}).")
+        }
         val body = response.body() ?: error("Leere Antwort")
         if (!body.success) error(body.message ?: "Antrag konnte nicht erstellt werden.")
-        val downloadUrl = body.downloadUrl ?: error("PDF-Download fehlt.")
-        val documentResponse = api.downloadMembershipPdf(downloadUrl)
-        if (!documentResponse.isSuccessful) error("PDF konnte nicht heruntergeladen werden.")
-        val directory = File(context.cacheDir, "membership").apply { mkdirs() }
-        val file = File(directory, "beitrittserklaerung.pdf")
-        documentResponse.body()?.byteStream()?.use { input ->
-            file.outputStream().use { output -> input.copyTo(output) }
-        } ?: error("Leere PDF-Antwort")
-        val uri = FileProvider.getUriForFile(context, "${context.packageName}.files", file)
+        val uri = body.downloadUrl?.let { downloadUrl ->
+            runCatching {
+                val documentResponse = api.downloadMembershipPdf(downloadUrl, body.downloadToken)
+                if (!documentResponse.isSuccessful) error("PDF konnte nicht heruntergeladen werden.")
+                val directory = File(context.cacheDir, "membership").apply { mkdirs() }
+                val file = File(directory, "beitrittserklaerung.pdf")
+                documentResponse.body()?.byteStream()?.use { input ->
+                    file.outputStream().use { output -> input.copyTo(output) }
+                } ?: error("Leere PDF-Antwort")
+                FileProvider.getUriForFile(context, "${context.packageName}.files", file).toString()
+            }.getOrNull()
+        }
         MembershipDocument(
-            message = body.message ?: "Beitrittsformular erfolgreich erstellt.",
-            uri = uri.toString(),
+            message = if (uri == null) {
+                "${body.message ?: "Mitgliedschaftsantrag erfolgreich übermittelt."} Das PDF konnte nicht auf diesem Gerät gespeichert werden."
+            } else {
+                body.message ?: "Beitrittsformular erfolgreich erstellt."
+            },
+            uri = uri,
         )
     }
 }

android-app/app/src/main/java/de/harheimertc/ui/screens/membership/MembershipViewModel.kt

@@ -81,7 +81,10 @@ class MembershipViewModel @Inject constructor(private val repository: Membership
                     _state.value = _state.value.copy(sending = false, fieldErrors = emptyMap(), message = document.message, pdfUri = document.uri)
                 }
                 .onFailure {
-                    _state.value = _state.value.copy(sending = false, error = "Beitrittsformular konnte nicht erstellt werden.")
+                    _state.value = _state.value.copy(
+                        sending = false,
+                        error = it.message ?: "Beitrittsformular konnte nicht erstellt werden.",
+                    )
                 }
         }
     }

android-app/gradle.properties

@@ -8,8 +8,8 @@ LOCAL_API_BASE_URL=https://harheimertc.tsschulz.de/
 PRODUCTION_API_BASE_URL=https://harheimertc.de/
 
 # Android app versioning for Play Store uploads
-ANDROID_VERSION_CODE=29
-ANDROID_VERSION_NAME=0.9.24
+ANDROID_VERSION_CODE=32
+ANDROID_VERSION_NAME=0.9.27
 
 # Temporary hotfix: disable R8 minification for release to avoid Retrofit generic signature stripping.
 RELEASE_MINIFY_ENABLED=false

app.vue

@@ -1,7 +1,7 @@
 <template>
   <div class="h-screen flex flex-col overflow-hidden">
     <Navigation />
-    <main class="flex-1 overflow-y-auto pt-20">
+    <main class="flex-1 overflow-y-auto pt-20 pb-20 sm:pb-0">
       <NuxtPage />
     </main>
     <Footer />

components/Footer.vue

@@ -1,11 +1,11 @@
 <template>
   <footer class="fixed bottom-0 left-0 right-0 z-40 bg-gray-900 border-t border-gray-800 shadow-2xl">
-    <div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-3">
-      <div class="flex flex-col sm:flex-row justify-between items-center space-y-2 sm:space-y-0">
-        <p class="text-sm text-gray-400">
+    <div class="max-w-7xl mx-auto px-3 sm:px-6 lg:px-8 py-2 sm:py-3">
+      <div class="flex flex-col sm:flex-row justify-between items-center gap-y-1 sm:gap-y-0">
+        <p class="text-xs sm:text-sm text-gray-400 whitespace-nowrap">
           © {{ currentYear }} Harheimer TC 1954 e.V.
         </p>
-        <div class="flex items-center space-x-6 text-sm relative">
+        <div class="flex flex-wrap justify-center items-center gap-x-4 gap-y-1 text-xs sm:text-sm relative">
           <span
             v-if="isLoggedIn && appVersion"
             class="text-xs text-gray-600"

components/Hero.vue

@@ -29,9 +29,9 @@
     </div>
 
     <!-- Content -->
-    <div class="relative z-20 max-w-7xl mx-auto">
+    <div class="relative z-20 max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
       <div class="text-center">
-        <h1 class="text-5xl sm:text-6xl lg:text-7xl font-display font-bold text-gray-900 mb-6 leading-tight animate-fade-in">
+        <h1 class="text-4xl sm:text-6xl lg:text-7xl font-display font-bold text-gray-900 mb-6 leading-tight animate-fade-in">
           Willkommen beim<br>
           <span class="text-primary-600">Harheimer TC</span>
         </h1>
@@ -163,4 +163,3 @@ const yearsSinceFounding = new Date().getFullYear() - foundingYear
   animation: fadeIn 0.8s ease-out 0.4s both;
 }
 </style>
-

components/HomeTermine.vue

@@ -1,7 +1,7 @@
 <template>
-  <section class="py-16 sm:py-20 bg-gray-50">
+  <section class="py-8 sm:py-10 bg-gray-50">
     <div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
-      <div class="text-center mb-12">
+      <div class="text-center mb-6 sm:mb-8">
         <h2 class="text-4xl sm:text-5xl font-display font-bold text-gray-900 mb-4">
           Kommende Termine
         </h2>
@@ -12,7 +12,7 @@
         <TermineVorschau />
       </div>
 
-      <div class="text-center mt-8">
+      <div class="text-center mt-5 sm:mt-6">
         <NuxtLink
           to="/termine"
           class="inline-flex items-center px-6 py-3 bg-primary-600 hover:bg-primary-700 text-white font-semibold rounded-lg transition-colors"
@@ -32,4 +32,3 @@
 import { ArrowRight } from 'lucide-vue-next'
 import TermineVorschau from './TermineVorschau.vue'
 </script>
-

components/PublicNews.vue

@@ -1,9 +1,13 @@
 <template>
   <section
-    class="py-16 sm:py-20 bg-white min-h-[32rem]"
+    class="bg-white"
+    :class="news.length === 0 && !isLoading ? 'py-8 sm:py-10' : 'py-10 sm:py-12'"
   >
     <div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
-      <div class="text-center mb-16">
+      <div
+        class="text-center"
+        :class="news.length === 0 && !isLoading ? 'mb-6 sm:mb-8' : 'mb-8 sm:mb-10'"
+      >
         <h2 class="text-4xl sm:text-5xl font-display font-bold text-gray-900 mb-4">
           Aktuelles
         </h2>
@@ -67,7 +71,7 @@
 
       <div
         v-else
-        class="max-w-xl mx-auto text-center bg-gray-50 border border-gray-200 rounded-xl p-8"
+        class="max-w-xl mx-auto text-center bg-gray-50 border border-gray-200 rounded-xl p-5"
       >
         <p class="text-gray-700 font-semibold mb-2">
           Aktuell keine News
@@ -222,4 +226,3 @@ onUnmounted(() => {
   opacity: 0;
 }
 </style>
-

components/Spielplan.vue

@@ -1,7 +1,7 @@
 <template>
-  <section class="py-16 bg-white">
+  <section class="py-8 sm:py-10 bg-white">
     <div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
-      <div class="text-center mb-12">
+      <div class="text-center mb-6 sm:mb-8">
         <h2 class="text-3xl font-bold text-gray-900 mb-4">
           Nächste Spiele
         </h2>
@@ -10,7 +10,7 @@
       <!-- Loading State -->
       <div
         v-if="isLoading"
-        class="text-center py-8"
+        class="text-center py-4"
       >
         <svg
           class="w-8 h-8 text-gray-400 mx-auto mb-4 animate-spin"
@@ -33,7 +33,7 @@
       <!-- Error State -->
       <div
         v-else-if="error"
-        class="text-center py-8"
+        class="text-center py-4"
       >
         <svg
           class="w-12 h-12 text-gray-400 mx-auto mb-4"
@@ -62,7 +62,7 @@
       <!-- Empty State -->
       <div
         v-else-if="!upcomingGames || upcomingGames.length === 0"
-        class="text-center py-8"
+        class="text-center py-4"
       >
         <svg
           class="w-12 h-12 text-gray-400 mx-auto mb-4"

components/TermineVorschau.vue

@@ -45,7 +45,7 @@
 
     <div
       v-else
-      class="text-center py-8 bg-gray-50 rounded-lg"
+      class="text-center py-4 bg-gray-50 rounded-lg"
     >
       <Calendar
         :size="32"
@@ -123,4 +123,3 @@ onMounted(() => {
   loadTermine()
 })
 </script>
-

components/cms/CmsMannschaften.vue

@@ -219,7 +219,10 @@
                 >
                 <span class="text-sm text-gray-800">{{ team.label }}</span>
               </label>
-              <p v-if="!spielplanTeams.length" class="px-4 py-3 text-sm text-gray-500">
+              <p
+                v-if="!spielplanTeams.length"
+                class="px-4 py-3 text-sm text-gray-500"
+              >
                 Noch keine importierten Spielplan-Teams verfügbar.
               </p>
             </div>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "harheimertc-website",
-  "version": "1.8.4",
+  "version": "1.8.5",
   "description": "Moderne Webseite für den Harheimer Tischtennis Club",
   "private": true,
   "type": "module",
@@ -40,12 +40,12 @@
     "jsonwebtoken": "^9.0.2",
     "multer": "^2.0.2",
     "nodemailer": "^9.0.1",
-    "nuxt": "^4.1.3",
+    "nuxt": "^4.5.1",
     "pdf-lib": "^1.17.1",
     "pdf-parse": "^2.4.5",
     "pinia": "^3.0.3",
-    "quill": "^2.0.2",
-    "sharp": "^0.34.5",
+    "quill": "2.0.2",
+    "sharp": "^0.35.3",
     "vue": "^3.5.22"
   },
   "devDependencies": {

pages/index.vue

@@ -216,7 +216,7 @@
       class="relative z-30 px-4 sm:px-6 lg:px-8"
       :class="hasHeroSection ? '-mt-44 sm:-mt-48 lg:-mt-52' : 'mt-8'"
     >
-      <div class="featured-widget-shell max-w-6xl mx-auto rounded-2xl border border-gray-200 bg-white/25 backdrop-blur-md overflow-hidden min-h-[22rem] sm:min-h-[25rem]">
+      <div class="featured-widget-shell max-w-6xl mx-auto rounded-2xl border border-gray-200 bg-white/25 backdrop-blur-md overflow-hidden">
         <HomeSpielplanTeamWidget
           v-if="featuredWidgetSection.id === 'spielplan_team'"
           :season="featuredWidgetSection.config?.season"
@@ -627,9 +627,15 @@ async function saveEditor() {
   background-color: transparent !important;
 }
 
+.featured-widget-shell :deep(.py-8),
+.featured-widget-shell :deep(.py-10),
+.featured-widget-shell :deep(.py-12),
 .featured-widget-shell :deep(.py-16),
+.featured-widget-shell :deep(.sm\:py-10),
+.featured-widget-shell :deep(.sm\:py-12),
+.featured-widget-shell :deep(.sm\:py-16),
 .featured-widget-shell :deep(.sm\:py-20) {
   padding-top: 1.5rem !important;
-  padding-bottom: 2rem !important;
+  padding-bottom: 1.5rem !important;
 }
 </style>

server/api/membership/applications.get.js

@@ -2,6 +2,7 @@ import fs from 'fs/promises'
 import path from 'path'
 import { requireUserWithAnyRole } from '../../utils/auth.js'
 import { decryptObject } from '../../utils/encryption.js'
+import { getServerDataPath } from '../../utils/paths.js'
 
 export default defineEventHandler(async (event) => {
   try {
@@ -17,7 +18,7 @@ export default defineEventHandler(async (event) => {
       })
     }
     
-    const dataDir = path.join(process.cwd(), 'server/data/membership-applications')
+    const dataDir = getServerDataPath('membership-applications')
     
     // Prüfen ob Verzeichnis existiert
     try {

server/api/membership/download/[id].get.js

@@ -1,5 +1,6 @@
 import fs from 'fs/promises'
 import path from 'path'
+import { createHmac, timingSafeEqual } from 'crypto'
 import { getUserFromToken } from '../../../utils/auth.js'
 import { getServerDataPath } from '../../../utils/paths.js'
 
@@ -47,7 +48,27 @@ export default defineEventHandler(async (event) => {
       }
     }
     
-    // Prüfen ob es sich um eine aktuelle Session handelt (innerhalb der letzten 24 Stunden)
+    // Native apps cannot reliably reuse the httpOnly browser cookie that is
+    // set when the application is created.  They receive the same short-lived
+    // authorization as a signed response token instead.
+    const signedDownloadToken = getHeader(event, 'x-membership-download-token')
+    if (signedDownloadToken) {
+      try {
+        const [payload, signature] = signedDownloadToken.split('.')
+        const secret = process.env.ENCRYPTION_KEY || 'local_development_encryption_key_change_in_production'
+        const expected = createHmac('sha256', secret).update(payload).digest('base64url')
+        const validSignature = signature && timingSafeEqual(Buffer.from(signature), Buffer.from(expected))
+        const decoded = JSON.parse(Buffer.from(payload, 'base64url').toString('utf8'))
+        const tokenAge = Date.now() - Number(decoded.issuedAt)
+        if (validSignature && decoded.fileId === fileId && tokenAge >= 0 && tokenAge < 24 * 60 * 60 * 1000) {
+          isAuthorized = true
+        }
+      } catch (_error) {
+        // Invalid download tokens are treated as unauthorized.
+      }
+    }
+
+    // Browser clients continue to use the httpOnly cookie.
     const downloadToken = getCookie(event, 'download_token')
     
     if (downloadToken) {

server/api/membership/generate-pdf.post.js

@@ -1,11 +1,13 @@
 import { exec } from 'child_process'
 import { promisify } from 'util'
+import { createHmac } from 'crypto'
 import fs from 'fs/promises'
 import path from 'path'
 import { PDFDocument, StandardFonts, rgb } from 'pdf-lib'
 import { getDownloadCookieOptionsWithMaxAge } from '../../utils/cookies.js'
 import { sendMembershipEmail as sendMembershipEmailUtil } from '../../utils/email-service.js'
 import { getProjectPath, getServerDataPath } from '../../utils/paths.js'
+import { createMembershipApplication, removeMembershipApplication } from '../../utils/membership-applications.js'
 
 // const require = createRequire(import.meta.url) // Nicht verwendet
 const execAsync = promisify(exec)
@@ -310,9 +312,18 @@ function getDataPath(filename) {
   return getServerDataPath(filename)
 }
 
+function createMembershipDownloadToken(fileId) {
+  const issuedAt = Date.now()
+  const payload = Buffer.from(JSON.stringify({ fileId, issuedAt })).toString('base64url')
+  const secret = process.env.ENCRYPTION_KEY || 'local_development_encryption_key_change_in_production'
+  const signature = createHmac('sha256', secret).update(payload).digest('base64url')
+  return `${payload}.${signature}`
+}
+
 // Use central email service
 
 export default defineEventHandler(async (event) => {
+  let application = null
   try {
     const body = await readBody(event)
     
@@ -339,6 +350,10 @@ export default defineEventHandler(async (event) => {
       isVolljaehrig
     }
 
+    // Persist the pending application before generating files or sending mail.
+    // This also makes repeated taps and concurrent requests idempotently fail.
+    application = await createMembershipApplication(data)
+    
     // Eindeutige Datei-ID generieren
     const timestamp = Date.now()
     const filename = `beitrittserklärung_${timestamp}`
@@ -630,9 +645,11 @@ export default defineEventHandler(async (event) => {
           success: true,
           message: 'Beitrittsformular erfolgreich aus Template erzeugt und E-Mail gesendet.',
           downloadUrl: `/api/membership/download/${filename}.pdf`,
+          downloadToken: createMembershipDownloadToken(`${filename}.pdf`),
           emailSuccess: emailResult.success,
           emailMessage: emailResult.message,
-          usedTemplate: true
+          usedTemplate: true,
+          applicationId: application.id
         }
       }
 
@@ -690,8 +707,10 @@ export default defineEventHandler(async (event) => {
         success: true,
         message: 'Beitrittsformular erfolgreich erstellt und E-Mail gesendet.',
         downloadUrl: `/api/membership/download/${filename}.pdf`,
+        downloadToken: createMembershipDownloadToken(`${filename}.pdf`),
         emailSuccess: emailResult.success,
         emailMessage: emailResult.message,
+        applicationId: application.id
       }
       
     } catch (latexError) {
@@ -726,13 +745,19 @@ export default defineEventHandler(async (event) => {
         success: true,
         message: 'Beitrittsformular erfolgreich erstellt und E-Mail gesendet (Fallback-Lösung).',
         downloadUrl: `/api/membership/download/${fallbackFilename}`,
+        downloadToken: createMembershipDownloadToken(fallbackFilename),
         emailSuccess: emailResult.success,
         emailMessage: emailResult.message,
+        applicationId: application.id
       }
     }
     
   } catch (error) {
+    // A failed generation must not leave a pending application that prevents
+    // the applicant from trying again.
+    await removeMembershipApplication(application?.id)
     console.error('Fehler beim Generieren des PDFs:', error)
+    if (error?.statusCode) throw error
     throw createError({
       statusCode: 500,
       statusMessage: 'Fehler beim Generieren des PDFs'

server/api/membership/update-status.put.js

@@ -1,8 +1,8 @@
 import fs from 'fs/promises'
-import path from 'path'
 import { requireUserWithAnyRole } from '../../utils/auth.js'
 import { decryptObject } from '../../utils/encryption.js'
 import { saveMember } from '../../utils/members.js'
+import { getServerDataPath } from '../../utils/paths.js'
 
 export default defineEventHandler(async (event) => {
   try {
@@ -43,9 +43,7 @@ export default defineEventHandler(async (event) => {
     }
     
     // nosemgrep: javascript.lang.security.audit.path-traversal.path-join-resolve-traversal.path-join-resolve-traversal
-    const dataDir = path.join(process.cwd(), 'server/data/membership-applications')
-    // nosemgrep: javascript.lang.security.audit.path-traversal.path-join-resolve-traversal.path-join-resolve-traversal
-    const filePath = path.join(dataDir, `${id}.json`)
+    const filePath = getServerDataPath('membership-applications', `${id}.json`)
     
     // Antrag laden
     const fileContent = await fs.readFile(filePath, 'utf8')
@@ -67,6 +65,7 @@ export default defineEventHandler(async (event) => {
         const newMember = {
           firstName: decryptedData.vorname,
           lastName: decryptedData.nachname,
+          geburtsdatum: decryptedData.geburtsdatum,
           email: decryptedData.email,
           phone: decryptedData.telefon_privat || decryptedData.telefon_mobil || '',
           address: `${decryptedData.strasse}, ${decryptedData.plz} ${decryptedData.ort}`,

server/utils/members.js

@@ -221,14 +221,23 @@ export function normalizeDate(dateString) {
 }
 
 // Check for duplicate member based on firstName, lastName, and geburtsdatum
-function findDuplicateMember(members, firstName, lastName, geburtsdatum) {
-  const normalizedFirstName = (firstName || '').trim().toLowerCase()
-  const normalizedLastName = (lastName || '').trim().toLowerCase()
+function normalizeIdentityPart(value) {
+  return String(value || '')
+    .normalize('NFKD')
+    .replace(/[\u0300-\u036f]/g, '')
+    .replace(/[^a-zA-Z0-9]+/g, ' ')
+    .trim()
+    .toLowerCase()
+}
+
+export function findDuplicateMember(members, firstName, lastName, geburtsdatum) {
+  const normalizedFirstName = normalizeIdentityPart(firstName)
+  const normalizedLastName = normalizeIdentityPart(lastName)
   const normalizedDate = normalizeDate(geburtsdatum)
   
   return members.find(m => {
-    const mFirstName = (m.firstName || '').trim().toLowerCase()
-    const mLastName = (m.lastName || '').trim().toLowerCase()
+    const mFirstName = normalizeIdentityPart(m.firstName)
+    const mLastName = normalizeIdentityPart(m.lastName)
     const mDate = normalizeDate(m.geburtsdatum)
     
     return mFirstName === normalizedFirstName &&
@@ -307,4 +316,3 @@ export async function deleteMember(id) {
   await writeMembers(filtered)
   return true
 }
-

server/utils/membership-applications.js

@@ -0,0 +1,104 @@
+import { createHash, randomUUID } from 'crypto'
+import { promises as fs } from 'fs'
+import { decryptObject, encryptObject } from './encryption.js'
+import { readMembers, findDuplicateMember, normalizeDate } from './members.js'
+import { getServerDataPath } from './paths.js'
+
+const APPLICATIONS_DIR = getServerDataPath('membership-applications')
+const LOCKS_DIR = getServerDataPath('membership-application-locks')
+
+function encryptionKey() {
+  return process.env.ENCRYPTION_KEY || 'local_development_encryption_key_change_in_production'
+}
+
+function normalizeName(value) {
+  return String(value || '')
+    .normalize('NFKD')
+    .replace(/[\u0300-\u036f]/g, '')
+    .replace(/[^a-zA-Z0-9]+/g, ' ')
+    .trim()
+    .toLowerCase()
+}
+
+function identityHash(data) {
+  const identity = [normalizeName(data.vorname), normalizeName(data.nachname), normalizeDate(data.geburtsdatum)].join('|')
+  return createHash('sha256').update(identity).digest('hex')
+}
+
+async function withIdentityLock(hash, operation) {
+  await fs.mkdir(LOCKS_DIR, { recursive: true })
+  const lockPath = `${LOCKS_DIR}/${hash}.lock`
+  let handle
+  try {
+    handle = await fs.open(lockPath, 'wx')
+  } catch (error) {
+    if (error?.code === 'EEXIST') {
+      throw createError({ statusCode: 409, statusMessage: 'Für diese Person wird bereits ein Mitgliedschaftsantrag bearbeitet.' })
+    }
+    throw error
+  }
+  try {
+    return await operation()
+  } finally {
+    await handle.close().catch(() => {})
+    await fs.unlink(lockPath).catch(() => {})
+  }
+}
+
+async function findMatchingApplication(data) {
+  try {
+    const files = await fs.readdir(APPLICATIONS_DIR)
+    const target = identityHash(data)
+    for (const file of files.filter(file => file.endsWith('.json'))) {
+      try {
+        const application = JSON.parse(await fs.readFile(`${APPLICATIONS_DIR}/${file}`, 'utf8'))
+        if (application.identityHash === target) return application
+        if (application.encryptedData) {
+          const personalData = decryptObject(application.encryptedData, encryptionKey())
+          if (identityHash(personalData) === target) return application
+        }
+      } catch (error) {
+        console.warn('Mitgliedschaftsantrag konnte bei der Duplikatprüfung nicht gelesen werden:', { file, message: error.message })
+      }
+    }
+    return null
+  } catch (error) {
+    if (error?.code !== 'ENOENT') throw error
+    return null
+  }
+}
+
+export async function createMembershipApplication(data) {
+  const hash = identityHash(data)
+  if (!normalizeName(data.vorname) || !normalizeName(data.nachname) || !normalizeDate(data.geburtsdatum)) {
+    throw createError({ statusCode: 400, statusMessage: 'Vorname, Nachname und ein gültiges Geburtsdatum sind erforderlich.' })
+  }
+  return withIdentityLock(hash, async () => {
+    const members = await readMembers()
+    if (findDuplicateMember(members, data.vorname, data.nachname, data.geburtsdatum)) {
+      throw createError({ statusCode: 409, statusMessage: 'Für diese Person besteht bereits eine Mitgliedschaft.' })
+    }
+    const existing = await findMatchingApplication(data)
+    if (existing) {
+      throw createError({ statusCode: 409, statusMessage: 'Für diese Person liegt bereits ein Mitgliedschaftsantrag vor.' })
+    }
+    await fs.mkdir(APPLICATIONS_DIR, { recursive: true })
+    const application = {
+      id: randomUUID(),
+      timestamp: new Date().toISOString(),
+      status: 'pending',
+      identityHash: hash,
+      metadata: { mitgliedschaftsart: data.mitgliedschaftsart },
+      encryptedData: encryptObject(data, encryptionKey())
+    }
+    await fs.writeFile(`${APPLICATIONS_DIR}/${application.id}.json`, `${JSON.stringify(application, null, 2)}\n`, { encoding: 'utf8', flag: 'wx' })
+    return application
+  })
+}
+
+export async function removeMembershipApplication(applicationId) {
+  if (!applicationId) return
+  await fs.unlink(`${APPLICATIONS_DIR}/${applicationId}.json`).catch(error => {
+    if (error?.code !== 'ENOENT') throw error
+  })
+}

server/utils/push-notifications.js

@@ -102,7 +102,7 @@ export function upsertPushToken(user, { token, platform = 'android', appVersion
   return user
 }
 
-async function sendFcmMessage({ serviceAccount, accessToken, token, title, body, data = {} }) {
+async function sendFcmMessage({ serviceAccount, accessToken, token, data = {} }) {
   const projectId = projectIdFromServiceAccount(serviceAccount)
   if (!projectId) throw new Error('FCM project_id fehlt.')
   const response = await fetch(`https://fcm.googleapis.com/v1/projects/${projectId}/messages:send`, {
@@ -114,14 +114,14 @@ async function sendFcmMessage({ serviceAccount, accessToken, token, title, body,
     body: JSON.stringify({
       message: {
         token,
-        notification: { title, body },
         data,
         android: {
           priority: 'high',
-          notification: {
-            channel_id: 'harheimer_tc_updates',
-            click_action: 'OPEN_NEWS'
-          }
+          // Keep this as a data message.  With a `notification` payload FCM
+          // renders background messages itself, bypassing our notification
+          // channel and HarheimerMessagingService.  Data messages use the
+          // same app-controlled channel while the app is foregrounded and
+          // backgrounded.
         }
       }
     })
@@ -185,7 +185,7 @@ export async function sendPushToUsers({ title, body, data = {}, predicate, bodyF
     const validTokens = []
     for (const entry of tokens) {
       try {
-        await sendFcmMessage({ serviceAccount, accessToken, token: entry.token, title, body: userBody, data: payload })
+        await sendFcmMessage({ serviceAccount, accessToken, token: entry.token, data: payload })
         sent += 1
         validTokens.push(entry)
       } catch (error) {
@@ -206,7 +206,11 @@ export async function sendPushToUsers({ title, body, data = {}, predicate, bodyF
     }
   }
   if (changed) await writeUsers(users)
-  return { sent, failed, removed, recipients, tokenCount, skipped: false }
+  const result = { sent, failed, removed, recipients, tokenCount, skipped: false }
+  // This makes an absent registration immediately visible in the production
+  // log without exposing tokens or user data.
+  console.info('FCM Push Ergebnis:', { failureLabel, ...result })
+  return result
 }
 
 export async function sendNewNewsPush(news) {

tests/membership-applications.spec.ts

@@ -0,0 +1,36 @@
+import { afterEach, describe, expect, it, vi } from 'vitest'
+import { promises as fs } from 'fs'
+import os from 'os'
+import path from 'path'
+
+const originalAppRoot = process.env.APP_ROOT
+const createdRoots = []
+
+afterEach(async () => {
+  vi.resetModules()
+  if (originalAppRoot === undefined) delete process.env.APP_ROOT
+  else process.env.APP_ROOT = originalAppRoot
+  await Promise.all(createdRoots.splice(0).map(root => fs.rm(root, { recursive: true, force: true })))
+})
+
+describe('membership applications', () => {
+  it('rejects a second pending application with the same name and birth date', async () => {
+    const root = await fs.mkdtemp(path.join(os.tmpdir(), 'harheimertc-membership-'))
+    createdRoots.push(root)
+    await fs.mkdir(path.join(root, 'server', 'data'), { recursive: true })
+    process.env.APP_ROOT = root
+
+    const { createMembershipApplication } = await import('../server/utils/membership-applications.js')
+    const data = {
+      vorname: 'Jörg',
+      nachname: 'Beispiel',
+      geburtsdatum: '1990-02-03',
+      mitgliedschaftsart: 'aktiv'
+    }
+
+    const application = await createMembershipApplication(data)
+    expect(application.status).toBe('pending')
+    await expect(createMembershipApplication({ ...data, vorname: ' JÖRG ' }))
+      .rejects.toMatchObject({ statusCode: 409 })
+  })
+})