修改镜屏uuid

ebc-middle-platform/src/stomp/ipu-stomp.js

@@ -1,5 +1,6 @@
import {Stomp} from './stomp'
import SockJS from './sockjs-client'
import UUID from './uuid'
/*
   * 1.兼容SockJS和Stomp，支持ws、http、https多种url前缀
   * 2.装饰器模式持有Stomp客户端的引用
@@ -29,20 +30,6 @@ function _connectWithSockJS(url) {
  return Stomp.over(socket)
}
function uuid() {
  var s = []
  var hexDigits = '0123456789abcdef'
  for (var i = 0; i < 36; i++) {
    s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1)
  }
  s[14] = '4' // bits 12-15 of the time_hi_and_version field to 0010
  s[19] = hexDigits.substr((s[19] & 0x3) | 0x8, 1) // bits 6-7 of the clock_seq_hi_and_reserved to 01
  s[8] = s[13] = s[18] = s[23] = '-'
  var uuid = s.join('')
  return uuid
}
/* 建立连接 */
StompClient.prototype.connect = function(account, passcode, onConnected, onFailure, host) { // host参数的使用方式
  // var onConnected, onFailure
@@ -55,7 +42,7 @@ StompClient.prototype.connect = function(account, passcode, onConnected, onFailu
  //   onFailure = new Function()
  // }
  console.log('connecting')
  var headers = {'login': account, 'passcode': passcode, 'host': host, 'uuid': uuid()}
  var headers = {'login': account, 'passcode': passcode, 'host': host, 'uuid': UUID()}
  this.client.connect(headers, onConnected, onFailure)
}

ebc-middle-platform/src/stomp/uuid.js

@@ -0,0 +1,48 @@
var uniqueId
export default function getUUID() {
    	if (!uniqueId) {
    		uniqueId = cans()
    	}
    	return uniqueId
};
function cans() {
	    var canvas = document.createElement('canvas')
	    var ctx = canvas.getContext('2d')
	    var txt = 'http://security.tencent.com/'
	    ctx.textBaseline = 'top'
	    ctx.font = "14px 'Arial'"
	    ctx.textBaseline = 'tencent'
	    ctx.fillStyle = '#f60'
	    ctx.fillRect(125, 1, 62, 20)
	    ctx.fillStyle = '#069'
	    ctx.fillText(txt, 2, 15)
	    ctx.fillStyle = 'rgba(102, 204, 0, 0.7)'
	    ctx.fillText(txt, 4, 17)
	    var b64 = canvas.toDataURL().replace('data:image/png;base64,', '')
	    var bin = atob(b64)
	    var crc = bin2hex(bin.slice(-16, -12))
	    // var crc = bin.slice(-16,-12);
  return crc
}
function bin2hex(str) {
  var result = ''
  for (i = 0; i < str.length; i++) {
    result += int16_to_hex(str.charCodeAt(i))
  }
  return result
}
function int16_to_hex(i) {
  var result = i.toString(16)
  var j = 0
  while (j + result.length < 4) {
    result = '0' + result
    j++
  }
  return result
}