Merge pull request #872 from StarryKira/fix/oauth-linuxdo-invitation-required

fix: Linux.do OAuth 注册支持邀请码两步流程 (fix #836)

frontend/src/views/auth/LinuxDoCallbackView.vue

@@ -10,6 +10,36 @@
         </p>
       </div>
 
+      <transition name="fade">
+        <div v-if="needsInvitation" class="space-y-4">
+          <p class="text-sm text-gray-700 dark:text-gray-300">
+            {{ t('auth.linuxdo.invitationRequired') }}
+          </p>
+          <div>
+            <input
+              v-model="invitationCode"
+              type="text"
+              class="input w-full"
+              :placeholder="t('auth.invitationCodePlaceholder')"
+              :disabled="isSubmitting"
+              @keyup.enter="handleSubmitInvitation"
+            />
+          </div>
+          <transition name="fade">
+            <p v-if="invitationError" class="text-sm text-red-600 dark:text-red-400">
+              {{ invitationError }}
+            </p>
+          </transition>
+          <button
+            class="btn btn-primary w-full"
+            :disabled="isSubmitting || !invitationCode.trim()"
+            @click="handleSubmitInvitation"
+          >
+            {{ isSubmitting ? t('auth.linuxdo.completing') : t('auth.linuxdo.completeRegistration') }}
+          </button>
+        </div>
+      </transition>
+
       <transition name="fade">
         <div
           v-if="errorMessage"
@@ -41,6 +71,7 @@ import { useI18n } from 'vue-i18n'
 import { AuthLayout } from '@/components/layout'
 import Icon from '@/components/icons/Icon.vue'
 import { useAuthStore, useAppStore } from '@/stores'
+import { completeLinuxDoOAuthRegistration } from '@/api/auth'
 
 const route = useRoute()
 const router = useRouter()
@@ -52,6 +83,14 @@ const appStore = useAppStore()
 const isProcessing = ref(true)
 const errorMessage = ref('')
 
+// Invitation code flow state
+const needsInvitation = ref(false)
+const pendingOAuthToken = ref('')
+const invitationCode = ref('')
+const isSubmitting = ref(false)
+const invitationError = ref('')
+const redirectTo = ref('/dashboard')
+
 function parseFragmentParams(): URLSearchParams {
   const raw = typeof window !== 'undefined' ? window.location.hash : ''
   const hash = raw.startsWith('#') ? raw.slice(1) : raw
@@ -67,6 +106,34 @@ function sanitizeRedirectPath(path: string | null | undefined): string {
   return path
 }
 
+async function handleSubmitInvitation() {
+  invitationError.value = ''
+  if (!invitationCode.value.trim()) return
+
+  isSubmitting.value = true
+  try {
+    const tokenData = await completeLinuxDoOAuthRegistration(
+      pendingOAuthToken.value,
+      invitationCode.value.trim()
+    )
+    if (tokenData.refresh_token) {
+      localStorage.setItem('refresh_token', tokenData.refresh_token)
+    }
+    if (tokenData.expires_in) {
+      localStorage.setItem('token_expires_at', String(Date.now() + tokenData.expires_in * 1000))
+    }
+    await authStore.setToken(tokenData.access_token)
+    appStore.showSuccess(t('auth.loginSuccess'))
+    await router.replace(redirectTo.value)
+  } catch (e: unknown) {
+    const err = e as { message?: string; response?: { data?: { message?: string } } }
+    invitationError.value =
+      err.response?.data?.message || err.message || t('auth.linuxdo.completeRegistrationFailed')
+  } finally {
+    isSubmitting.value = false
+  }
+}
+
 onMounted(async () => {
   const params = parseFragmentParams()
 
@@ -80,6 +147,19 @@ onMounted(async () => {
   const errorDesc = params.get('error_description') || params.get('error_message') || ''
 
   if (error) {
+    if (error === 'invitation_required') {
+      pendingOAuthToken.value = params.get('pending_oauth_token') || ''
+      redirectTo.value = sanitizeRedirectPath(params.get('redirect'))
+      if (!pendingOAuthToken.value) {
+        errorMessage.value = t('auth.linuxdo.invalidPendingToken')
+        appStore.showError(errorMessage.value)
+        isProcessing.value = false
+        return
+      }
+      needsInvitation.value = true
+      isProcessing.value = false
+      return
+    }
     errorMessage.value = errorDesc || error
     appStore.showError(errorMessage.value)
     isProcessing.value = false