66 lines
2.2 KiB
JavaScript
66 lines
2.2 KiB
JavaScript
import { ref, computed, onMounted, onUnmounted } from 'vue'
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import { toolService } from '@/features/tools/service/toolService'
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/**
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* 时间校准逻辑提取
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*
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* @returns {Object} 包含校准状态与方法的响应式对象
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*/
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export function useTimeSync() {
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const localTime = ref(Date.now())
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const offset = ref(null)
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const rtt = ref(null)
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const isSyncing = ref(false)
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let clockTimer = null
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const serverTime = computed(() => localTime.value + (offset.value || 0))
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const syncStatus = computed(() => {
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if (offset.value === null) return null
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const abs = Math.abs(offset.value)
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if (abs < 2000) return { title: '时间同步正常', type: 'success', desc: '本地时间与服务器误差极小，不影响 2FA 验证。' }
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if (abs < 30000) return { title: '存在微小偏差', type: 'warning', desc: '建议校准本地时间，但通常仍可使用。' }
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return { title: '时间偏差过大', type: 'error', desc: '严重偏差！2FA 验证码将失效，请务必校准设备时间。' }
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})
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const syncTime = async () => {
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isSyncing.value = true
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const start = Date.now()
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try {
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const res = await toolService.getServerTime()
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const end = Date.now()
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if (res.success) {
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const serverTs = res.time
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rtt.value = end - start
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// 假设往返时间是对称的，服务器返回时间为收到请求时的 serverTs + 单程网络延迟
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const estimatedServerTime = serverTs + (rtt.value / 2)
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offset.value = Math.round(estimatedServerTime - end)
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return { success: true, offset: offset.value }
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}
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return { success: false, error: new Error('返回结构异常') }
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} catch (error) {
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return { success: false, error }
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} finally {
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isSyncing.value = false
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}
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}
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onMounted(() => {
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clockTimer = setInterval(() => { localTime.value = Date.now() }, 1000)
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})
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onUnmounted(() => {
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if (clockTimer) clearInterval(clockTimer)
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})
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return {
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localTime,
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serverTime,
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offset,
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rtt,
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isSyncing,
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syncStatus,
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syncTime
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}
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}
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