fix: respect registration visibility on login

frontend/src/views/auth/LoginView.vue

@@ -197,7 +197,7 @@
     </div>
 
     <!-- Footer -->
-    <template v-if="!backendModeEnabled" #footer>
+    <template v-if="!backendModeEnabled && publicSettingsLoaded && registrationEnabled" #footer>
       <p class="text-gray-500 dark:text-dark-400">
         {{ t('auth.dontHaveAccount') }}
         <router-link
@@ -270,6 +270,7 @@ const showPassword = ref<boolean>(false)
 const publicSettingsLoaded = ref<boolean>(false)
 
 // Public settings
+const registrationEnabled = ref<boolean>(false)
 const turnstileEnabled = ref<boolean>(false)
 const turnstileSiteKey = ref<string>('')
 const tencentCaptchaEnabled = ref<boolean>(false)
@@ -381,6 +382,7 @@ onMounted(async () => {
 
   try {
     const settings = await getPublicSettings()
+    registrationEnabled.value = settings.registration_enabled === true
     turnstileEnabled.value = settings.turnstile_enabled
     turnstileSiteKey.value = settings.turnstile_site_key || ''
     tencentCaptchaEnabled.value = settings.tencent_captcha_enabled === true

frontend/src/views/auth/__tests__/LoginView.spec.ts

@@ -0,0 +1,118 @@
+import { flushPromises, mount } from '@vue/test-utils'
+import { beforeEach, describe, expect, it, vi } from 'vitest'
+import LoginView from '@/views/auth/LoginView.vue'
+
+const { getPublicSettingsMock, pushMock } = vi.hoisted(() => ({
+  getPublicSettingsMock: vi.fn(),
+  pushMock: vi.fn()
+}))
+
+const publicSettings = {
+  registration_enabled: true,
+  turnstile_enabled: false,
+  turnstile_site_key: '',
+  tencent_captcha_enabled: false,
+  tencent_captcha_app_id: '',
+  aliyun_captcha_enabled: false,
+  aliyun_captcha_scene_id: '',
+  aliyun_captcha_prefix: '',
+  linuxdo_oauth_enabled: false,
+  dingtalk_oauth_enabled: false,
+  wechat_oauth_enabled: false,
+  backend_mode_enabled: false,
+  oidc_oauth_enabled: false,
+  oidc_oauth_provider_name: 'OIDC',
+  github_oauth_enabled: false,
+  google_oauth_enabled: false,
+  password_reset_enabled: false,
+  passkey_enabled: false,
+  login_agreement_enabled: false,
+  login_agreement_documents: []
+}
+
+vi.mock('vue-router', () => ({
+  useRouter: () => ({
+    push: pushMock,
+    currentRoute: { value: { query: {} } }
+  })
+}))
+
+vi.mock('vue-i18n', () => ({
+  createI18n: () => ({
+    global: {
+      t: (key: string) => key
+    }
+  }),
+  useI18n: () => ({
+    t: (key: string) => key
+  })
+}))
+
+vi.mock('@/stores', () => ({
+  useAuthStore: () => ({
+    login: vi.fn(),
+    loginWithPasskey: vi.fn(),
+    login2FA: vi.fn()
+  }),
+  useAppStore: () => ({
+    showError: vi.fn(),
+    showSuccess: vi.fn(),
+    showWarning: vi.fn()
+  })
+}))
+
+vi.mock('@/api/auth', () => ({
+  buildOAuthLoginStartURL: vi.fn(),
+  getPublicSettings: (...args: unknown[]) => getPublicSettingsMock(...args),
+  isTotp2FARequired: vi.fn(() => false),
+  isWeChatWebOAuthEnabled: vi.fn(() => false),
+  startOAuthLogin: vi.fn()
+}))
+
+function mountLogin() {
+  return mount(LoginView, {
+    global: {
+      stubs: {
+        AuthLayout: { template: '<div><slot /><slot name="footer" /></div>' },
+        DingTalkOAuthSection: true,
+        EmailOAuthButtons: true,
+        Icon: true,
+        LinuxDoOAuthSection: true,
+        LoginAgreementPrompt: true,
+        OidcOAuthSection: true,
+        RouterLink: { template: '<a><slot /></a>' },
+        TotpLoginModal: true,
+        TurnstileWidget: true,
+        WechatOAuthSection: true,
+        transition: false
+      }
+    }
+  })
+}
+
+describe('LoginView registration entry', () => {
+  beforeEach(() => {
+    getPublicSettingsMock.mockReset()
+    pushMock.mockReset()
+    getPublicSettingsMock.mockResolvedValue(publicSettings)
+  })
+
+  it('shows the registration entry when registration is enabled', async () => {
+    const wrapper = mountLogin()
+    await flushPromises()
+
+    expect(wrapper.text()).toContain('auth.signUp')
+  })
+
+  it('hides the registration entry when registration is disabled', async () => {
+    getPublicSettingsMock.mockResolvedValueOnce({
+      ...publicSettings,
+      registration_enabled: false
+    })
+
+    const wrapper = mountLogin()
+    await flushPromises()
+
+    expect(wrapper.text()).not.toContain('auth.signUp')
+  })
+})