Security: Passwort-Minimum, Rate Limits, Headers, Passwort-vergessen, email_verified

- Passwort-Minimum 8 Zeichen bei Register + Reset
- Rate Limit auf /resend-verification (3/h) und /forgot-password (3/h)
- Security-Headers: X-Frame-Options, X-Content-Type-Options, Referrer-Policy etc.
- email_verified in get_current_user SELECT ergänzt
- Forum: create_thread + create_post erfordern email_verified
- POST /auth/forgot-password + /auth/reset-password (2h-Token, via support@)
- DB-Migration: password_reset_token + password_reset_expires
- Frontend: Passwort-vergessen-Modal im Login, Reset-Formular mit Passphrase-Generator
- SW by-v576, APP_VER 553

backend/auth.py

@@ -87,7 +87,7 @@ def get_current_user(
     user_id = int(payload["sub"])
     with db() as conn:
         row = conn.execute(
-            "SELECT id, email, name, rolle, is_premium, is_moderator, is_banned, ban_reason, is_social_media, notes_ki_enabled, breeder_status, is_founder, is_partner, founder_number FROM users WHERE id=?",
+            "SELECT id, email, name, rolle, is_premium, is_moderator, is_banned, ban_reason, is_social_media, notes_ki_enabled, breeder_status, is_founder, is_partner, founder_number, email_verified FROM users WHERE id=?",
             (user_id,)
         ).fetchone()
 

backend/database.py

@@ -565,6 +565,9 @@ def _migrate(conn_factory):
         ("users", "is_partner",          "INTEGER NOT NULL DEFAULT 0"),
         ("users", "founder_number",      "INTEGER"),
         ("users", "is_founder_pending",  "INTEGER NOT NULL DEFAULT 0"),
+        # Passwort-Zurücksetzen
+        ("users", "password_reset_token",   "TEXT"),
+        ("users", "password_reset_expires", "TEXT"),
     ]
     with conn_factory() as conn:
         for table, column, col_type in migrations:

backend/main.py

@@ -64,6 +64,19 @@ app = FastAPI(
     redoc_url   = None,
 )
 
+class SecurityHeadersMiddleware(BaseHTTPMiddleware):
+    async def dispatch(self, request: Request, call_next):
+        response = await call_next(request)
+        response.headers["X-Frame-Options"]        = "SAMEORIGIN"
+        response.headers["X-Content-Type-Options"] = "nosniff"
+        response.headers["Referrer-Policy"]        = "strict-origin-when-cross-origin"
+        response.headers["Permissions-Policy"]     = "camera=(), microphone=(), geolocation=(self)"
+        response.headers["X-XSS-Protection"]       = "1; mode=block"
+        return response
+
+app.add_middleware(SecurityHeadersMiddleware)
+
+
 # Globales File-Upload-Limit (20 MB)
 _MAX_UPLOAD_BYTES = 20 * 1024 * 1024
 

backend/routes/auth.py

@@ -3,6 +3,7 @@
 import os
 import secrets
 import string
+from datetime import datetime, timedelta
 from typing import Optional
 
 from fastapi import APIRouter, HTTPException, Request, Response, Depends
@@ -77,6 +78,8 @@ async def register(data: RegisterRequest, response: Response, request: Request):
         raise HTTPException(400, "Benutzername darf keine Leerzeichen enthalten.")
     if is_username_blocked(name):
         raise HTTPException(400, "Dieser Benutzername ist nicht erlaubt.")
+    if len(data.password) < 8:
+        raise HTTPException(400, "Passwort muss mindestens 8 Zeichen lang sein.")
 
     with db() as conn:
         if conn.execute("SELECT 1 FROM users WHERE email=?", (data.email,)).fetchone():
@@ -247,7 +250,8 @@ async def verify_email(token: str):
 
 
 @router.post("/resend-verification")
-async def resend_verification(user=Depends(get_current_user)):
+async def resend_verification(request: Request, user=Depends(get_current_user)):
+    rl_check(request, max_requests=3, window_seconds=3600, key="resend_verify")
     with db() as conn:
         row = conn.execute(
             "SELECT email, name, email_verified FROM users WHERE id=?", (user["id"],)
@@ -263,3 +267,65 @@ async def resend_verification(user=Depends(get_current_user)):
         )
     _send_verification_email(row["email"], row["name"], token)
     return {"ok": True}
+
+
+class ForgotPasswordRequest(BaseModel):
+    email: EmailStr
+
+class ResetPasswordRequest(BaseModel):
+    token: str
+    password: str
+
+@router.post("/forgot-password")
+async def forgot_password(data: ForgotPasswordRequest, request: Request):
+    rl_check(request, max_requests=3, window_seconds=3600, key="forgot_pw")
+    with db() as conn:
+        user = conn.execute(
+            "SELECT id, name FROM users WHERE email=?", (data.email,)
+        ).fetchone()
+    # Immer OK zurückgeben — kein User-Enumeration
+    if user:
+        token = secrets.token_urlsafe(32)
+        expires = (datetime.utcnow() + timedelta(hours=2)).isoformat()
+        with db() as conn:
+            conn.execute(
+                "UPDATE users SET password_reset_token=?, password_reset_expires=? WHERE id=?",
+                (token, expires, user["id"])
+            )
+        app_url = os.getenv("APP_URL", "https://banyaro.app")
+        subject = "Ban Yaro — Passwort zurücksetzen"
+        body = (
+            f"Hallo {user['name']},\n\n"
+            "du hast eine Passwort-Zurücksetzen-Anfrage gestellt.\n\n"
+            f"Klicke hier um ein neues Passwort zu setzen:\n"
+            f"{app_url}/#reset-password?token={token}\n\n"
+            "Der Link ist 2 Stunden gültig. Falls du keine Anfrage gestellt hast, ignoriere diese Mail.\n\n"
+            "Viele Grüße,\nDas Ban Yaro Team"
+        )
+        from routes.outreach import _send_smtp
+        try:
+            _send_smtp(data.email, subject, body, "support")
+        except Exception:
+            pass
+    return {"ok": True}
+
+
+@router.post("/reset-password")
+async def reset_password(data: ResetPasswordRequest, request: Request):
+    rl_check(request, max_requests=5, window_seconds=3600, key="reset_pw")
+    if len(data.password) < 8:
+        raise HTTPException(400, "Passwort muss mindestens 8 Zeichen lang sein.")
+    with db() as conn:
+        user = conn.execute(
+            "SELECT id, password_reset_expires FROM users WHERE password_reset_token=?",
+            (data.token,)
+        ).fetchone()
+        if not user:
+            raise HTTPException(400, "Ungültiger oder abgelaufener Link.")
+        if user["password_reset_expires"] < datetime.utcnow().isoformat():
+            raise HTTPException(400, "Dieser Link ist abgelaufen. Bitte fordere einen neuen an.")
+        conn.execute(
+            "UPDATE users SET pw_hash=?, password_reset_token=NULL, password_reset_expires=NULL WHERE id=?",
+            (hash_password(data.password), user["id"])
+        )
+    return {"ok": True}

backend/routes/forum.py

@@ -166,6 +166,8 @@ async def list_threads(
 # ------------------------------------------------------------------
 @router.post("/threads", status_code=201)
 async def create_thread(data: ThreadCreate, user=Depends(get_current_user)):
+    if not user.get("email_verified"):
+        raise HTTPException(403, "Bitte bestätige zuerst deine E-Mail-Adresse um im Forum zu schreiben.")
     if not data.titel.strip():
         raise HTTPException(400, "Titel darf nicht leer sein.")
     if not data.text.strip():
@@ -304,6 +306,8 @@ async def patch_thread(thread_id: int, data: ThreadPatch, user=Depends(get_curre
 # ------------------------------------------------------------------
 @router.post("/threads/{thread_id}/posts", status_code=201)
 async def create_post(thread_id: int, data: PostCreate, user=Depends(get_current_user)):
+    if not user.get("email_verified"):
+        raise HTTPException(403, "Bitte bestätige zuerst deine E-Mail-Adresse um im Forum zu schreiben.")
     if not data.text.strip():
         raise HTTPException(400, "Text darf nicht leer sein.")
     with db() as conn:

backend/static/js/app.js

@@ -3,7 +3,7 @@
    Router, State-Management, Navigation, Initialisierung.
    ============================================================ */
 
-const APP_VER     = '552'; // ← bei jedem Deploy mit Frontend-Änderungen erhöhen
+const APP_VER     = '553'; // ← bei jedem Deploy mit Frontend-Änderungen erhöhen
 const APP_VERSION = '1.1.4'; // ← semantische Version, wird bei make release gesetzt
 const IS_STAGING  = location.hostname === 'staging.banyaro.app';
 
@@ -824,6 +824,14 @@ const App = (() => {
       });
     }
 
+    // Passwort-Reset: #reset-password?token=xxx
+    if (hashPage === 'reset-password' && hashParams.token) {
+      sessionStorage.setItem('by_reset_token', hashParams.token);
+      history.replaceState(null, '', '/');
+      navigate('settings', false);
+      return;
+    }
+
     // E-Mail-Verifikation: Redirect von /api/auth/verify-email/{token}
     if (hashParams.verified === '1' || hashParams.verified === 1) {
       if (state.user) state.user.email_verified = 1;

backend/static/js/pages/settings.js

@@ -1239,6 +1239,14 @@ window.Page_settings = (() => {
   // NICHT EINGELOGGT — Login / Registrierung
   // ----------------------------------------------------------
   function _renderAuth(mode) {
+    // Passwort-Reset über Link aus E-Mail
+    const resetToken = sessionStorage.getItem('by_reset_token');
+    if (resetToken) {
+      sessionStorage.removeItem('by_reset_token');
+      _renderResetPassword(resetToken);
+      return;
+    }
+
     _mode = mode;
     _container.innerHTML = `
       <div style="max-width:380px;margin:0 auto;padding:var(--space-6) 0">
@@ -1313,6 +1321,13 @@ window.Page_settings = (() => {
         <button type="submit" class="btn btn-primary w-full" style="margin-top:var(--space-2)">
           Anmelden
         </button>
+        <p style="text-align:center;margin-top:var(--space-3);font-size:var(--text-xs)">
+          <button type="button" id="forgot-pw-link"
+                  class="btn btn-ghost"
+                  style="font-size:var(--text-xs);color:var(--c-text-muted);padding:0">
+            Passwort vergessen?
+          </button>
+        </p>
       </form>
     `;
   }
@@ -1414,6 +1429,38 @@ window.Page_settings = (() => {
 
   function _bindLoginForm() {
     _bindPwToggle('login-pw', 'login-pw-toggle');
+
+    document.getElementById('forgot-pw-link')?.addEventListener('click', () => {
+      const id = 'forgot-pw-modal';
+      UI.modal.open({
+        title: 'Passwort zurücksetzen',
+        body: `
+          <form id="${id}" style="display:flex;flex-direction:column;gap:var(--space-3)">
+            <p style="font-size:var(--text-sm);color:var(--c-text-secondary);margin:0">
+              Gib deine E-Mail-Adresse ein. Du erhältst einen Link zum Zurücksetzen deines Passworts.
+            </p>
+            <div>
+              <label class="form-label">E-Mail</label>
+              <input class="form-control" id="forgot-pw-email" type="email"
+                     placeholder="deine@email.de" autocomplete="email" required>
+            </div>
+          </form>`,
+        footer: `
+          <button class="btn btn-secondary" onclick="UI.modal.close()">Abbrechen</button>
+          <button class="btn btn-primary" form="${id}" type="submit">Link senden</button>`,
+      });
+      document.getElementById(id)?.addEventListener('submit', async e => {
+        e.preventDefault();
+        const btn   = document.querySelector(`[form="${id}"]`);
+        const email = document.getElementById('forgot-pw-email').value.trim();
+        await UI.asyncButton(btn, async () => {
+          await API.post('/auth/forgot-password', { email });
+          UI.modal.close();
+          UI.toast.success('Falls ein Account existiert, haben wir dir einen Link geschickt.');
+        });
+      });
+    });
+
     document.getElementById('auth-form')?.addEventListener('submit', async e => {
       e.preventDefault();
       const btn = e.target.querySelector('[type="submit"]');
@@ -1610,6 +1657,93 @@ window.Page_settings = (() => {
     setTimeout(remove, 12000);
   }
 
+  // ----------------------------------------------------------
+  // PASSWORT ZURÜCKSETZEN
+  // ----------------------------------------------------------
+  function _renderResetPassword(token) {
+    _container.innerHTML = `
+      <div style="max-width:380px;margin:0 auto;padding:var(--space-6) 0">
+        <div style="text-align:center;margin-bottom:var(--space-6)">
+          <img src="/icons/icon-180.png" alt="Ban Yaro"
+               style="width:72px;height:72px;border-radius:var(--radius-lg);margin-bottom:var(--space-3)">
+          <h1 style="font-size:var(--text-2xl);font-weight:700;margin:0">Neues Passwort</h1>
+          <p style="color:var(--c-text-secondary);margin:var(--space-1) 0 0">
+            Wähle ein sicheres Passwort für deinen Account.
+          </p>
+        </div>
+
+        <form id="reset-pw-form" style="display:flex;flex-direction:column;gap:var(--space-4)">
+          <div>
+            <label class="form-label">Neues Passwort</label>
+            <div style="position:relative">
+              <input class="form-control" type="password" id="reset-pw-input"
+                     placeholder="Mindestens 8 Zeichen" autocomplete="new-password"
+                     minlength="8" required style="padding-right:var(--space-10)">
+              <button type="button" id="reset-pw-toggle"
+                      class="btn btn-ghost btn-icon"
+                      style="position:absolute;right:var(--space-1);top:50%;transform:translateY(-50%);
+                             color:var(--c-text-muted);padding:var(--space-2)">
+                <svg class="ph-icon" aria-hidden="true"><use href="/icons/phosphor.svg#eye"></use></svg>
+              </button>
+            </div>
+            <!-- Hundepassphrase-Generator -->
+            <div style="margin-top:var(--space-2);padding:var(--space-3);
+                        background:var(--c-surface-2);border-radius:var(--radius-md);
+                        border-left:3px solid var(--c-primary)">
+              <div style="display:flex;align-items:center;gap:var(--space-2);margin-bottom:var(--space-2)">
+                <span style="font-size:var(--text-xs);font-weight:700;color:var(--c-text-secondary);
+                              text-transform:uppercase;letter-spacing:.05em">🐾 Passwort-Vorschlag</span>
+                <button type="button" id="reset-gen-new"
+                        style="margin-left:auto;font-size:var(--text-xs);color:var(--c-primary);
+                               background:none;border:none;cursor:pointer;padding:0;font-weight:600">
+                  ↺ neu
+                </button>
+              </div>
+              <div style="display:flex;align-items:center;gap:var(--space-2)">
+                <code id="reset-gen-phrase"
+                      style="flex:1;font-size:var(--text-sm);font-weight:700;
+                             color:var(--c-text);letter-spacing:.02em;word-break:break-all"></code>
+                <button type="button" id="reset-gen-use"
+                        class="btn btn-sm btn-secondary" style="flex-shrink:0">
+                  Übernehmen
+                </button>
+              </div>
+            </div>
+          </div>
+
+          <button type="submit" class="btn btn-primary w-full">
+            Passwort speichern
+          </button>
+        </form>
+      </div>
+    `;
+
+    _bindPwToggle('reset-pw-input', 'reset-pw-toggle');
+
+    const phraseEl = document.getElementById('reset-gen-phrase');
+    const pwInput  = document.getElementById('reset-pw-input');
+    const _refresh = () => { phraseEl.textContent = _genPassphrase(); };
+    _refresh();
+    document.getElementById('reset-gen-new')?.addEventListener('click', _refresh);
+    document.getElementById('reset-gen-use')?.addEventListener('click', () => {
+      pwInput.value = phraseEl.textContent;
+      pwInput.type  = 'text';
+    });
+
+    document.getElementById('reset-pw-form')?.addEventListener('submit', async e => {
+      e.preventDefault();
+      const btn      = e.target.querySelector('[type="submit"]');
+      const password = document.getElementById('reset-pw-input').value;
+      await UI.asyncButton(btn, async () => {
+        const res = await API.post('/auth/reset-password', { token, password });
+        if (res?.ok) {
+          UI.toast.success('Passwort geändert! Du kannst dich jetzt anmelden.');
+          _renderAuth('login');
+        }
+      });
+    });
+  }
+
   // ----------------------------------------------------------
   // HELPER
   // ----------------------------------------------------------

backend/static/sw.js

@@ -3,7 +3,7 @@
    Offline-Cache + Push Notifications + Tile-Cache
    ============================================================ */
 
-const CACHE_VERSION = 'by-v575';
+const CACHE_VERSION = 'by-v576';
 const CACHE_STATIC  = `${CACHE_VERSION}-static`;
 const CACHE_TILES   = 'ban-yaro-tiles-v1';  // bleibt über SW-Updates erhalten
 const CACHE_API     = 'ban-yaro-api-v1';    // API-Response-Cache