release: v1.2.7 — 登录人机验证（滑块 / Turnstile / Cap）

app/components/TurnstileCaptcha.vue

@@ -0,0 +1,120 @@
+<script setup lang="ts">
+const props = defineProps<{
+  siteKey: string
+}>()
+
+const emit = defineEmits<{
+  verified: [payload: { turnstileToken: string }]
+  cleared: []
+}>()
+
+interface TurnstileRenderOptions {
+  'sitekey': string
+  'action'?: string
+  'callback'?: (token: string) => void
+  'expired-callback'?: () => void
+  'error-callback'?: () => void
+}
+
+interface TurnstileApi {
+  render: (container: HTMLElement, options: TurnstileRenderOptions) => string
+  reset: (widgetId?: string) => void
+  remove: (widgetId: string) => void
+}
+
+declare global {
+  interface Window {
+    turnstile?: TurnstileApi
+    onTurnstileLoad?: () => void
+  }
+}
+
+const containerRef = ref<HTMLElement | null>(null)
+const widgetId = ref<string | null>(null)
+const scriptLoaded = ref(false)
+
+function onVerified(token: string) {
+  if (token) {
+    emit('verified', { turnstileToken: token })
+  }
+}
+
+function onCleared() {
+  emit('cleared')
+}
+
+function renderWidget() {
+  if (!containerRef.value || !window.turnstile || !props.siteKey) return
+  if (widgetId.value) {
+    window.turnstile.remove(widgetId.value)
+    widgetId.value = null
+  }
+  widgetId.value = window.turnstile.render(containerRef.value, {
+    'sitekey': props.siteKey,
+    'action': 'login',
+    'callback': onVerified,
+    'expired-callback': onCleared,
+    'error-callback': onCleared
+  })
+}
+
+function tryRenderWidget() {
+  if (scriptLoaded.value) {
+    renderWidget()
+  }
+}
+
+function loadScript() {
+  if (window.turnstile) {
+    scriptLoaded.value = true
+    tryRenderWidget()
+    return
+  }
+  window.onTurnstileLoad = () => {
+    scriptLoaded.value = true
+    tryRenderWidget()
+  }
+  const existing = document.querySelector('script[data-turnstile]')
+  if (existing) {
+    if (window.turnstile) {
+      scriptLoaded.value = true
+      tryRenderWidget()
+    }
+    return
+  }
+  const script = document.createElement('script')
+  script.src = 'https://challenges.cloudflare.com/turnstile/v0/api.js?render=explicit&onload=onTurnstileLoad'
+  script.async = true
+  script.defer = true
+  script.dataset.turnstile = 'true'
+  document.head.appendChild(script)
+}
+
+function reset() {
+  if (window.turnstile && widgetId.value) {
+    window.turnstile.reset(widgetId.value)
+  }
+  onCleared()
+}
+
+onMounted(async () => {
+  loadScript()
+  await nextTick()
+  tryRenderWidget()
+})
+
+watch([containerRef, () => props.siteKey, scriptLoaded], () => {
+  tryRenderWidget()
+}, { flush: 'post' })
+
+defineExpose({ reset })
+</script>
+
+<template>
+  <ClientOnly>
+    <div
+      ref="containerRef"
+      class="flex min-h-16 items-center justify-center"
+    />
+  </ClientOnly>
+</template>