Security-Hardening Runde 10: Pentest Runde 6 (8 Findings + struktureller Audit-Sweep)

KRITISCH:
- emails/:id/thread bekommt canAccessCachedEmail
- customers/:customerId/representatives/search bekommt canAccessCustomer
  (Buchstaben-Brute-Force konnte sonst die Kunden-DB enumerieren)

HOCH:
- birthdays/upcoming: Portal-User → 403 (Name/E-Mail/Telefon/Geb-Datum
  aller Kunden leakte)
- contracts/:id/history (GET/POST/PUT/DELETE) bekommt canAccessContract
- mailbox-accounts / unread-count / contracts/:id/emails/folder-counts
  bekommen canAccessCustomer bzw. canAccessContract
- Vertreter-Vollmacht-Check ist jetzt live: neuer Helper
  getPortalAllowedCustomerIds() in accessControl.ts ruft
  hasAuthorization() für jedes vertretene Customer ab. Eingesetzt in
  getTasks/createSupportTicket/createCustomerReply/getAllTasks/
  getTaskStats und updateCustomerConsent. Widerrufene Vollmachten
  haben jetzt SOFORT keinen Zugriff mehr (vorher: bis JWT abläuft).

MITTEL:
- confirmPasswordReset speichert portalPasswordEncrypted nicht mehr
  beim Self-Service-Reset (war nur für Admin-OTPs gedacht); +
  portalPasswordMustChange=false explizit
- getCustomers pagination total reflektiert jetzt nur erlaubte IDs
  (über DB-Filter in customerService.getAllCustomers)

Audit-Sweep (defense in depth, falls Rolle versehentlich Update-
Permissions bekommt):
- 16 cachedEmail-Operationen (markAsRead, toggleStar, assign/unassign,
  save-as-pdf/invoice/contract-document, save-to, attachment-targets,
  trash-ops)
- 4 contract-Operationen (createFollowUp, createRenewal, snoozeContract,
  removeContractMeter)
- 12 sub-CRUD-Operationen (address/bankcard/document/meter
  update+delete, meter-reading add/update/delete/transfer)
- 2 representative-Operationen (add/remove)

Live-verifiziert: Portal-Customer-3 auf alle fremden IDs → 403,
Admin sieht alles, eigene Ressourcen weiterhin 200, Customer 1 mit
widerrufener Vollmacht für Customer 3 → 0 fremde Verträge in der
Response.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
2026-05-16 23:47:17 +02:00
parent 38c2d82c02
commit a982795388
11 changed files with 256 additions and 137 deletions
@@ -9,7 +9,7 @@ import { fetchAttachment, appendToSent, ImapCredentials } from '../services/imap
import { getImapSmtpSettings } from '../services/emailProvider/emailProviderService.js';
import { decrypt } from '../utils/encryption.js';
import { logChange } from '../services/audit.service.js';
import { ApiResponse } from '../types/index.js';
import { ApiResponse, AuthRequest } from '../types/index.js';
import { getCustomerTargets, getContractTargets, getIdentityDocumentTargets, getBankCardTargets, documentTargets } from '../config/documentTargets.config.js';
import { generateEmailPdf } from '../services/pdfService.js';
import { maybeActivateOnDeliveryConfirmation } from '../services/contractStatusScheduler.service.js';
@@ -17,7 +17,6 @@ import { DocumentType } from '@prisma/client';
import prisma from '../lib/prisma.js';
import path from 'path';
import fs from 'fs';
import { AuthRequest } from '../types/index.js';
import {
canAccessCustomer,
canAccessContract,
@@ -139,9 +138,10 @@ export async function getEmail(req: AuthRequest, res: Response): Promise<void> {
}
// E-Mail als gelesen/ungelesen markieren
export async function markAsRead(req: Request, res: Response): Promise<void> {
export async function markAsRead(req: AuthRequest, res: Response): Promise<void> {
try {
const id = parseInt(req.params.id);
if (!(await canAccessCachedEmail(req, res, id))) return;
const { isRead } = req.body;
if (isRead) {
@@ -161,9 +161,10 @@ export async function markAsRead(req: Request, res: Response): Promise<void> {
}
// E-Mail Stern umschalten
export async function toggleStar(req: Request, res: Response): Promise<void> {
export async function toggleStar(req: AuthRequest, res: Response): Promise<void> {
try {
const id = parseInt(req.params.id);
if (!(await canAccessCachedEmail(req, res, id))) return;
const isStarred = await cachedEmailService.toggleEmailStar(id);
res.json({ success: true, data: { isStarred } } as ApiResponse);
@@ -179,10 +180,12 @@ export async function toggleStar(req: Request, res: Response): Promise<void> {
// ==================== CONTRACT ASSIGNMENT ====================
// E-Mail einem Vertrag zuordnen
export async function assignToContract(req: Request, res: Response): Promise<void> {
export async function assignToContract(req: AuthRequest, res: Response): Promise<void> {
try {
const emailId = parseInt(req.params.id);
if (!(await canAccessCachedEmail(req, res, emailId))) return;
const { contractId } = req.body;
if (!(await canAccessContract(req, res, contractId))) return;
const userId = (req as any).userId; // Falls Auth-Middleware userId setzt
const email = await cachedEmailService.assignEmailToContract(emailId, contractId, userId);
@@ -198,9 +201,10 @@ export async function assignToContract(req: Request, res: Response): Promise<voi
}
// Vertragszuordnung aufheben
export async function unassignFromContract(req: Request, res: Response): Promise<void> {
export async function unassignFromContract(req: AuthRequest, res: Response): Promise<void> {
try {
const emailId = parseInt(req.params.id);
if (!(await canAccessCachedEmail(req, res, emailId))) return;
const email = await cachedEmailService.unassignEmailFromContract(emailId);
@@ -233,9 +237,10 @@ export async function getFolderCounts(req: AuthRequest, res: Response): Promise<
}
// E-Mail-Anzahl pro Ordner für einen Vertrag
export async function getContractFolderCounts(req: Request, res: Response): Promise<void> {
export async function getContractFolderCounts(req: AuthRequest, res: Response): Promise<void> {
try {
const contractId = parseInt(req.params.contractId);
if (!(await canAccessContract(req, res, contractId))) return;
const counts = await cachedEmailService.getFolderCountsForContract(contractId);
@@ -611,9 +616,10 @@ export async function downloadAttachment(req: AuthRequest, res: Response): Promi
// ==================== MAILBOX ACCOUNTS ====================
// Mailbox-Konten eines Kunden abrufen
export async function getMailboxAccounts(req: Request, res: Response): Promise<void> {
export async function getMailboxAccounts(req: AuthRequest, res: Response): Promise<void> {
try {
const customerId = parseInt(req.params.customerId);
if (!(await canAccessCustomer(req, res, customerId))) return;
const accounts = await cachedEmailService.getMailboxAccountsForCustomer(customerId);
@@ -686,9 +692,10 @@ export async function syncMailboxStatus(req: AuthRequest, res: Response): Promis
}
// E-Mail-Thread abrufen
export async function getThread(req: Request, res: Response): Promise<void> {
export async function getThread(req: AuthRequest, res: Response): Promise<void> {
try {
const id = parseInt(req.params.id);
if (!(await canAccessCachedEmail(req, res, id))) return;
const thread = await cachedEmailService.getEmailThread(id);
@@ -780,7 +787,7 @@ export async function getMailboxCredentials(req: AuthRequest, res: Response): Pr
}
// Ungelesene E-Mails zählen
export async function getUnreadCount(req: Request, res: Response): Promise<void> {
export async function getUnreadCount(req: AuthRequest, res: Response): Promise<void> {
try {
const customerId = req.query.customerId ? parseInt(req.query.customerId as string) : undefined;
const contractId = req.query.contractId ? parseInt(req.query.contractId as string) : undefined;
@@ -788,8 +795,10 @@ export async function getUnreadCount(req: Request, res: Response): Promise<void>
let count = 0;
if (customerId) {
if (!(await canAccessCustomer(req, res, customerId))) return;
count = await cachedEmailService.getUnreadCountForCustomer(customerId);
} else if (contractId) {
if (!(await canAccessContract(req, res, contractId))) return;
count = await cachedEmailService.getUnreadCountForContract(contractId);
}
@@ -804,9 +813,10 @@ export async function getUnreadCount(req: Request, res: Response): Promise<void>
}
// E-Mail in Papierkorb verschieben (nur Admin)
export async function deleteEmail(req: Request, res: Response): Promise<void> {
export async function deleteEmail(req: AuthRequest, res: Response): Promise<void> {
try {
const id = parseInt(req.params.id);
if (!(await canAccessCachedEmail(req, res, id))) return;
// Prüfen ob E-Mail existiert
const email = await cachedEmailService.getCachedEmailById(id);
@@ -841,9 +851,10 @@ export async function deleteEmail(req: Request, res: Response): Promise<void> {
// ==================== TRASH OPERATIONS ====================
// Papierkorb-E-Mails für einen Kunden abrufen
export async function getTrashEmails(req: Request, res: Response): Promise<void> {
export async function getTrashEmails(req: AuthRequest, res: Response): Promise<void> {
try {
const customerId = parseInt(req.params.customerId);
if (!(await canAccessCustomer(req, res, customerId))) return;
const emails = await cachedEmailService.getTrashEmails(customerId);
@@ -858,9 +869,10 @@ export async function getTrashEmails(req: Request, res: Response): Promise<void>
}
// Papierkorb-Anzahl für einen Kunden
export async function getTrashCount(req: Request, res: Response): Promise<void> {
export async function getTrashCount(req: AuthRequest, res: Response): Promise<void> {
try {
const customerId = parseInt(req.params.customerId);
if (!(await canAccessCustomer(req, res, customerId))) return;
const count = await cachedEmailService.getTrashCount(customerId);
@@ -875,9 +887,10 @@ export async function getTrashCount(req: Request, res: Response): Promise<void>
}
// E-Mail aus Papierkorb wiederherstellen
export async function restoreEmail(req: Request, res: Response): Promise<void> {
export async function restoreEmail(req: AuthRequest, res: Response): Promise<void> {
try {
const id = parseInt(req.params.id);
if (!(await canAccessCachedEmail(req, res, id))) return;
const result = await cachedEmailService.restoreEmailFromTrash(id);
@@ -900,9 +913,10 @@ export async function restoreEmail(req: Request, res: Response): Promise<void> {
}
// E-Mail endgültig löschen (aus Papierkorb)
export async function permanentDeleteEmail(req: Request, res: Response): Promise<void> {
export async function permanentDeleteEmail(req: AuthRequest, res: Response): Promise<void> {
try {
const id = parseInt(req.params.id);
if (!(await canAccessCachedEmail(req, res, id))) return;
const result = await cachedEmailService.permanentDeleteEmail(id);
@@ -927,9 +941,10 @@ export async function permanentDeleteEmail(req: Request, res: Response): Promise
// ==================== ATTACHMENT TARGETS ====================
// Verfügbare Dokumenten-Ziele für E-Mail-Anhänge abrufen
export async function getAttachmentTargets(req: Request, res: Response): Promise<void> {
export async function getAttachmentTargets(req: AuthRequest, res: Response): Promise<void> {
try {
const emailId = parseInt(req.params.id);
if (!(await canAccessCachedEmail(req, res, emailId))) return;
// E-Mail mit StressfreiEmail laden
const email = await cachedEmailService.getCachedEmailById(emailId);
@@ -1109,9 +1124,10 @@ export async function getAttachmentTargets(req: Request, res: Response): Promise
}
// E-Mail-Anhang in ein Dokumentenfeld speichern
export async function saveAttachmentTo(req: Request, res: Response): Promise<void> {
export async function saveAttachmentTo(req: AuthRequest, res: Response): Promise<void> {
try {
const emailId = parseInt(req.params.id);
if (!(await canAccessCachedEmail(req, res, emailId))) return;
const filename = decodeURIComponent(req.params.filename);
const { entityType, entityId, targetKey } = req.body;
@@ -1396,9 +1412,10 @@ export async function saveAttachmentTo(req: Request, res: Response): Promise<voi
// ==================== SAVE EMAIL AS PDF ====================
// E-Mail als PDF exportieren und in Dokumentenfeld speichern
export async function saveEmailAsPdf(req: Request, res: Response): Promise<void> {
export async function saveEmailAsPdf(req: AuthRequest, res: Response): Promise<void> {
try {
const emailId = parseInt(req.params.id);
if (!(await canAccessCachedEmail(req, res, emailId))) return;
const { entityType, entityId, targetKey } = req.body;
console.log('[saveEmailAsPdf] Request:', { emailId, entityType, entityId, targetKey });
@@ -1643,9 +1660,10 @@ export async function saveEmailAsPdf(req: Request, res: Response): Promise<void>
// ==================== SAVE EMAIL AS INVOICE ====================
// E-Mail als PDF exportieren und als Rechnung speichern
export async function saveEmailAsInvoice(req: Request, res: Response): Promise<void> {
export async function saveEmailAsInvoice(req: AuthRequest, res: Response): Promise<void> {
try {
const emailId = parseInt(req.params.id);
if (!(await canAccessCachedEmail(req, res, emailId))) return;
const { invoiceDate, invoiceType, notes } = req.body;
console.log('[saveEmailAsInvoice] Request:', { emailId, invoiceDate, invoiceType, notes });
@@ -1769,9 +1787,10 @@ export async function saveEmailAsInvoice(req: Request, res: Response): Promise<v
// ==================== SAVE ATTACHMENT AS INVOICE ====================
// E-Mail-Anhang als Rechnung speichern
export async function saveAttachmentAsInvoice(req: Request, res: Response): Promise<void> {
export async function saveAttachmentAsInvoice(req: AuthRequest, res: Response): Promise<void> {
try {
const emailId = parseInt(req.params.id);
if (!(await canAccessCachedEmail(req, res, emailId))) return;
const filename = decodeURIComponent(req.params.filename);
const { invoiceDate, invoiceType, notes } = req.body;
@@ -1932,9 +1951,10 @@ export async function saveAttachmentAsInvoice(req: Request, res: Response): Prom
* Anhang einer E-Mail als Vertragsdokument (ContractDocument) speichern.
* Nutzt die flexible ContractDocument-Tabelle mit documentType (Auftragsformular, Lieferbestätigung, etc.)
*/
export async function saveAttachmentAsContractDocument(req: Request, res: Response): Promise<void> {
export async function saveAttachmentAsContractDocument(req: AuthRequest, res: Response): Promise<void> {
try {
const emailId = parseInt(req.params.id);
if (!(await canAccessCachedEmail(req, res, emailId))) return;
const filename = decodeURIComponent(req.params.filename);
const { documentType, notes } = req.body;