567 lines
18 KiB
Vue
567 lines
18 KiB
Vue
<template>
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<view>
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<button @click="getList">获取设备列表</button>
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<view v-if="showList">
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<button class="device" v-for="item in list"
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:key="item.deviceId" @click="connect(item)">{{item.name}}
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- {{item.pair ? '已配对' : '未配对'}}-{{item.sleep ? '休眠中' :
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'已唤醒'}}</button>
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</view>
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<view v-else>
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<button @click="getPublicKey">获取锁公钥</button>
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<button @click="getCommKey">获取锁私钥</button>
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<button @click="getLockStatus">获取锁状态</button>
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</view>
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</view>
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</template>
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<script>
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import crc from 'crc'
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import { md5 } from 'js-md5'
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import { sm4 } from 'sm-crypto'
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export default {
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data() {
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return {
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list: [],
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getting: false,
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deviceId: '',
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serviceId: '',
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characteristicId1: '',
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characteristicId2: '',
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lockId: '',
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publicKey: new Uint8Array(16),
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commKey: new Uint8Array(16),
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signKey: new Uint8Array(16),
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showList: true,
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number: 1
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}
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},
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onLoad() {
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uni.openBluetoothAdapter({
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success(res) {
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console.log('初始化成功')
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console.log(res)
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},
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fail(res) {
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console.log('初始化失败')
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console.log(res)
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}
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})
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},
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onUnload() {
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uni.closeBluetoothAdapter({
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success(res) {
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console.log('关闭蓝牙成功')
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console.log(res)
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},
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fail(res) {
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console.log('关闭蓝牙失败')
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console.log(res)
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}
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})
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},
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methods: {
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// 获取锁状态
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getLockStatus() {
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// 头部数据
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let buffer = new ArrayBuffer(12)
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let binaryData = new Uint8Array(buffer)
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// 固定包头
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binaryData[0] = 0xEF
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binaryData[1] = 0x01
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binaryData[2] = 0xEE
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binaryData[3] = 0x02
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// 包类型 发送
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binaryData[4] = 0x01
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// 包序号
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binaryData[5] = this.number / 256
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binaryData[6] = this.number % 256
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this.number++
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// 包标识
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binaryData[7] = 0x23
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// 数据长度
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binaryData[8] = 80 / 256
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binaryData[9] = 80 % 256
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binaryData[10] = 70 / 256
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binaryData[11] = 70 % 256
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console.log('请求头', Array.from(binaryData))
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// 入参
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let paramsBuffer = new ArrayBuffer(70)
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let paramsBinaryData = new Uint8Array(paramsBuffer)
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// 命令
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paramsBinaryData[0] = 0x3040 / 256
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paramsBinaryData[1] = 0x3040 % 256
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// 设备ID
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for(let i=0; i < this.lockId.length; i++){
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paramsBinaryData[2 + i] = this.lockId.charCodeAt(i)
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}
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// userId
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const authUserId = '294'
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for(let i=0; i < authUserId.length; i++){
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paramsBinaryData[42 + i] = authUserId.charCodeAt(i)
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}
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const nowTime = parseInt(new Date().getTime() / 1000)
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paramsBinaryData[62] = (nowTime & 0xff000000) >> 24
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paramsBinaryData[62 + 1] = (nowTime & 0xff0000) >> 16
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paramsBinaryData[62 + 2] = (nowTime & 0xff00) >> 8
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paramsBinaryData[62 + 3] = (nowTime & 0xff)
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paramsBinaryData[66] = (nowTime & 0xff000000) >> 24
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paramsBinaryData[66 + 1] = (nowTime & 0xff0000) >> 16
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paramsBinaryData[66 + 2] = (nowTime & 0xff00) >> 8
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paramsBinaryData[66 + 3] = (nowTime & 0xff)
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console.log('ecb加密前入参', Array.from(paramsBinaryData))
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console.log('密钥', Array.from(this.commKey))
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const encrypted = sm4.encrypt(paramsBinaryData, this.commKey, { mode: 'ecb', output: 'array' })
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console.log('ecb加密后的数据', Array.from(encrypted))
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let newBuffer = new ArrayBuffer(92)
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let newBinaryData = new Uint8Array(newBuffer)
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for(let i = 0; i < 12; i++){
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newBinaryData[i] = binaryData[i]
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}
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for(let i = 12; i < 92; i++){
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newBinaryData[i] = encrypted[i - 12]
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}
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console.log('crc前的数据', Array.from(newBinaryData))
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let resultBuffer = new ArrayBuffer(94)
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let resultBinaryData = new Uint8Array(resultBuffer)
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for(let i = 0; i < 92; i++){
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resultBinaryData[i] = newBinaryData[i]
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}
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resultBinaryData[92] = crc.crc16kermit(resultBuffer) / 256
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resultBinaryData[93] = crc.crc16kermit(resultBuffer) % 256
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this.writeBLECharacteristicValue(resultBuffer)
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},
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// 十六进制字符串转Uint8Array
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hexToUint8Array(hex) {
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if (hex.length % 2 !== 0) {
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throw new Error('Invalid hex string')
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}
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const array = new Uint8Array(hex.length / 2)
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for (let i = 0; i < hex.length; i += 2) {
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array[i / 2] = parseInt(hex.substr(i, 2), 16)
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}
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return array
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},
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// 获取私钥
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getCommKey() {
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const keyId = '0'
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const authUserId = '294'
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const nowTime = parseInt(new Date().getTime() / 1000)
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const originAuthCodeLen = keyId.length + authUserId.length + 4 + 16
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let authCodeBuffer = new ArrayBuffer(originAuthCodeLen)
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let authCodeBinaryData = new Uint8Array(authCodeBuffer)
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for(let i=0; i < authUserId.length; i++){
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authCodeBinaryData[i] = authUserId.charCodeAt(i)
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}
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for(let i=0; i < keyId.length; i++){
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authCodeBinaryData[authUserId.length + i] = keyId.charCodeAt(i)
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}
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const number = keyId.length + authUserId.length
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authCodeBinaryData[number + 0] = (nowTime & 0xff000000) >> 24
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authCodeBinaryData[number + 1] = (nowTime & 0xff0000) >> 16
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authCodeBinaryData[number + 2] = (nowTime & 0xff00) >> 8
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authCodeBinaryData[number + 3] = (nowTime & 0xff)
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for(let i=0; i < 16; i++){
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authCodeBinaryData[number + 4 + i] = this.publicKey[i]
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}
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console.log('钥ID', keyId, '用户ID', authUserId, '时间戳', nowTime,'公钥', Array.from(this.publicKey))
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console.log('md5前的数据', Array.from(authCodeBinaryData, byte =>
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byte.toString(10)).join(','))
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const md5Hex = md5(authCodeBinaryData)
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const codeMd5 = new Uint8Array(md5Hex.match(/.{1,2}/g).map(byte => parseInt(byte, 16)))
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console.log('md5后的数据', codeMd5, codeMd5.length)
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const bufferLength = codeMd5.length + 12 + 107
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let buffer = new ArrayBuffer(bufferLength)
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let binaryData = new Uint8Array(buffer)
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// 固定包头
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binaryData[0] = 0xEF
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binaryData[1] = 0x01
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binaryData[2] = 0xEE
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binaryData[3] = 0x02
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// 包类型 发送
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binaryData[4] = 0x01
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// 包序号
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binaryData[5] = this.number / 256
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binaryData[6] = this.number % 256
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this.number++
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// 包标识
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binaryData[7] = 0x22
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// 数据长度
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binaryData[10] = (codeMd5.length + 107) / 256
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binaryData[11] = (codeMd5.length + 107) % 256
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// 命令
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binaryData[12] = 0x3091 / 256
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binaryData[13] = 0x3091 % 256
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for(let i=0; i < this.lockId.length; i++){
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binaryData[14 + i] = this.lockId.charCodeAt(i)
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}
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let flagNumber = 14 + 40
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for (let i = 0; i < keyId.length; i++) {
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binaryData[flagNumber + i] = keyId.charCodeAt(i)
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}
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flagNumber += 40
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for (let i = 0; i < authUserId.length; i++) {
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binaryData[flagNumber + i] = authUserId.charCodeAt(i)
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}
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flagNumber += 20
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binaryData[flagNumber + 0] = (nowTime & 0xff000000) >> 24
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binaryData[flagNumber + 1] = (nowTime & 0xff0000) >> 16
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binaryData[flagNumber + 2] = (nowTime & 0xff00) >> 8
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binaryData[flagNumber + 3] = (nowTime & 0xff)
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flagNumber += 4
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binaryData[flagNumber] = codeMd5.length
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flagNumber += 1
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for (let i = 0; i < codeMd5.length; i++) {
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binaryData[flagNumber + i] = codeMd5[i]
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}
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binaryData[8] = Math.ceil((bufferLength - 12)/16) * 16 / 256
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binaryData[9] = Math.ceil((bufferLength - 12)/16) * 16 % 256
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let cebBuffer = new ArrayBuffer(bufferLength - 12)
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let cebBinaryData = new Uint8Array(cebBuffer)
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for(let i = 0; i < bufferLength - 12; i++){
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cebBinaryData[i] = binaryData[i + 12]
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}
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const key = new Uint8Array(16)
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for (let i = 0; i < this.lockId.length; i++) {
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key[i] = this.lockId.charCodeAt(i)
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}
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console.log('未加密的数据', Array.from(cebBinaryData))
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const encrypted = sm4.encrypt(cebBinaryData, key, { mode: 'ecb' })
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const newBinaryData = this.hexToUint8Array(encrypted)
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console.log('ecb加密后的数据', Array.from(newBinaryData))
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const encrypteBuffer = new ArrayBuffer(12 + newBinaryData.length)
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const encrypteBinaryData = new Uint8Array(encrypteBuffer)
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for(let i = 0; i< 12; i++){
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encrypteBinaryData[i] = binaryData[i]
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}
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for(let i = 12; i < encrypteBinaryData.length; i++){
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encrypteBinaryData[i] = newBinaryData[i - 12]
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}
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console.log('crc前的数据', Array.from(encrypteBinaryData))
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const resultBuffer = new ArrayBuffer(encrypteBinaryData.length + 2)
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const resultBinaryData = new Uint8Array(resultBuffer)
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for(let i = 0; i< encrypteBinaryData.length; i++){
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resultBinaryData[i] = encrypteBinaryData[i]
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}
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resultBinaryData[encrypteBinaryData.length] = crc.crc16kermit(encrypteBuffer) / 256
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resultBinaryData[1 + encrypteBinaryData.length] = crc.crc16kermit(encrypteBuffer) % 256
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this.writeBLECharacteristicValue(resultBuffer)
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},
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// 获取公钥
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getPublicKey() {
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let buffer = new ArrayBuffer(54)
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let binaryData = new Uint8Array(buffer)
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// 固定包头
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binaryData[0] = 0xEF
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binaryData[1] = 0x01
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binaryData[2] = 0xEE
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binaryData[3] = 0x02
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// 包类型 发送
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binaryData[4] = 0x01
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// 包序号
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binaryData[5] = this.number / 256
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binaryData[6] = this.number % 256
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this.number++
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// 包标识
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binaryData[7] = 0x20
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// 数据长度
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binaryData[8] = 42 / 256
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binaryData[9] = 42 % 256
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binaryData[10] = 42 / 256
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binaryData[11] = 42 % 256
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// 命令
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binaryData[12] = 0x3090 / 256
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binaryData[13] = 0x3090 % 256
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// // 设备ID
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for(let i=0; i < this.lockId.length; i++){
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binaryData[14 + i] = this.lockId.charCodeAt(i);
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}
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// crc
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let newBuffer = new ArrayBuffer(56)
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let newBinaryData = new Uint8Array(newBuffer)
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for(let i = 0; i < 54; i++){
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newBinaryData[i] = binaryData[i]
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}
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newBinaryData[54] = crc.crc16kermit(buffer) / 256
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newBinaryData[55] = crc.crc16kermit(buffer) % 256
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this.writeBLECharacteristicValue(newBuffer)
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},
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// 写入输入
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writeBLECharacteristicValue(data) {
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const that = this
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console.log('写入设备的设备 ID',that.deviceId)
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console.log('写入设备的serviceId',that.serviceId)
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console.log('写入设备的characteristicId',that.characteristicId2)
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console.log('写入设备的lockID',that.lockId)
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let Uint8ArrayData = new Uint8Array(data)
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console.log('未加工的数据', Array.from(Uint8ArrayData))
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for(let i = 0; i < Math.ceil(data.byteLength / 20); i++){
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let length = i === (Math.ceil(data.byteLength / 20)-1)?data.byteLength%20:20
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let buffer = new ArrayBuffer(length)
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let binaryData = new Uint8Array(buffer)
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for(let j = 0; j < 20; j++){
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if(i * 20 + j < data.byteLength){
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binaryData[j] = Uint8ArrayData[i * 20 + j]
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}
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}
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uni.writeBLECharacteristicValue({
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deviceId: that.deviceId,
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serviceId: that.serviceId,
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characteristicId: that.characteristicId2,
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value: buffer,
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success() {
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const hexString = Array.from(binaryData, byte =>
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byte.toString(10)).join(',')
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console.log('写入的数据', hexString)
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console.log('写入成功')
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},
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fail(res) {
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console.log('写入失败')
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console.log(res)
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}
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})
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}
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},
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// 解析特征值返回数据
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parsingdata(binaryData) {
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const that = this
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// 明文 0x20 SM4事先约定密钥 0x22
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if(binaryData[7] === 0x20) {
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if(binaryData[12] === 48 && binaryData[13] === 144){
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const publicKey = binaryData.slice(15, 31)
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console.log('公钥', Array.from(publicKey))
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that.publicKey = publicKey
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}
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} else if(binaryData[7] === 0x22) {
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const cebBinaryData = binaryData.slice(12, binaryData.length - 2)
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console.log('sm4返回参数', Array.from(cebBinaryData))
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const key = new Uint8Array(16)
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for (let i = 0; i < that.lockId.length; i++) {
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key[i] = that.lockId.charCodeAt(i)
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}
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const decrypted = sm4.decrypt(cebBinaryData, key, { mode: 'ecb', output: 'array' })
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console.log('ecb解密后的数据', decrypted)
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if(decrypted[0] === 48 && decrypted[1] === 145) {
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that.commKey = decrypted.slice(3, 19)
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that.signKey = decrypted.slice(19, 35)
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console.log('commKey', Array.from(that.commKey))
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console.log('signKey', Array.from(that.signKey))
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}
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}
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},
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// 监听特征值变化
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notifyBLECharacteristicValueChange() {
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const that = this
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let completeData
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let length
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uni.notifyBLECharacteristicValueChange({
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state: true,
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deviceId: that.deviceId,
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serviceId: that.serviceId,
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characteristicId: that.characteristicId1,
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type: 'notification',
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success(res) {
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console.log(res)
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uni.onBLECharacteristicValueChange(function (res) {
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console.log('设备特征值改变')
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console.log(res)
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let binaryData = new Uint8Array(res.value)
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if(binaryData[0] === 239 && binaryData[1] === 1 && binaryData[2] === 238 && binaryData[3] === 2) {
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console.log('设备返回的数据', Array.from(binaryData), Array.from(binaryData, byte =>
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byte.toString(16)).join(','))
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length = binaryData[8] * 256 + binaryData[9]
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if(length + 14 > binaryData.length) {
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completeData = binaryData
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} else {
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that.parsingdata(binaryData)
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}
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} else {
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if(completeData.length > 0) {
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const combinedArray = new Uint8Array(completeData.length + binaryData.length)
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combinedArray.set(completeData, 0);
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combinedArray.set(binaryData, completeData.length)
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completeData = combinedArray
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if(length + 14 === completeData.length) {
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that.parsingdata(completeData)
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completeData = new Uint8Array(0)
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}
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}
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}
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})
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}
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})
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},
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// 连接蓝牙设备
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connect(item) {
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const that = this
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if(item.pair) {
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return
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}
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uni.createBLEConnection({
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deviceId: item.deviceId,
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success(res) {
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console.log('连接成功')
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console.log(res)
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uni.getBLEDeviceServices({
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deviceId: item.deviceId,
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success(res) {
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console.log('获取服务成功')
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console.log(res.services)
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const uuid = res.services[0].uuid
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that.lockId = item.name
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console.log('锁ID', that.lockId)
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uni.getBLEDeviceCharacteristics({
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deviceId: item.deviceId,
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serviceId: uuid,
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success(res) {
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console.log('获取特征值成功')
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console.log(res)
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that.deviceId = item.deviceId
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that.serviceId = uuid
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for (let i = 0; i < res.characteristics.length; i++) {
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if (res.characteristics[i].uuid.indexOf("FFF1") !== -1) {
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that.characteristicId1 = res.characteristics[i].uuid
|
|
}
|
|
if (res.characteristics[i].uuid.indexOf("FFF2") !== -1) {
|
|
that.characteristicId2 = res.characteristics[i].uuid
|
|
}
|
|
}
|
|
that.showList = false
|
|
that.notifyBLECharacteristicValueChange()
|
|
uni.showToast({
|
|
title: '数据获取成功',
|
|
icon: 'none',
|
|
duration: 2000
|
|
})
|
|
},
|
|
fail(res) {
|
|
console.log('获取特征值失败')
|
|
console.log(res)
|
|
}
|
|
})
|
|
},
|
|
fail(res) {
|
|
console.log('获取服务失败')
|
|
console.log(res)
|
|
}
|
|
})
|
|
},
|
|
fail(res) {
|
|
console.log('连接失败')
|
|
console.log(res)
|
|
}
|
|
})
|
|
},
|
|
// 监听蓝牙设备列表变化
|
|
startGetList() {
|
|
const that = this
|
|
this.getting = true
|
|
console.log('开始监听蓝牙列表更新')
|
|
uni.startBluetoothDevicesDiscovery({
|
|
allowDuplicatesKey: false,
|
|
powerLevel: 'high',
|
|
success: function (res) {
|
|
// 更新列表
|
|
console.log('列表发生变化', res)
|
|
that.getList()
|
|
}
|
|
})
|
|
},
|
|
// 获取蓝牙设备列表
|
|
getList() {
|
|
const that = this
|
|
uni.getBluetoothDevices({
|
|
success(res) {
|
|
console.log('获取设备列表成功')
|
|
console.log(res)
|
|
that.list = []
|
|
for(let i =0; i < res.devices.length; i++){
|
|
if(res.devices[i]?.advertisServiceUUIDs) {
|
|
const advertisServiceUUIDs =
|
|
res.devices[i]?.advertisServiceUUIDs[0]
|
|
if(advertisServiceUUIDs &&
|
|
advertisServiceUUIDs.slice(2,8)==='758824'){
|
|
res.devices[i].pair =
|
|
advertisServiceUUIDs.slice(30,32) === '01'
|
|
res.devices[i].sleep =
|
|
advertisServiceUUIDs.slice(32,34) === '00'
|
|
that.list.push(res.devices[i])
|
|
}
|
|
}
|
|
}
|
|
console.log(that.list)
|
|
if(!that.getting) {
|
|
that.startGetList()
|
|
}
|
|
},
|
|
fail(res) {
|
|
console.log('获取设备列表失败')
|
|
console.log(res)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
}
|
|
</script>
|
|
|
|
<style>
|
|
.device {
|
|
text-align: center;
|
|
}
|
|
</style>
|