312 lines
8.5 KiB
JavaScript
312 lines
8.5 KiB
JavaScript
import fs from 'node:fs'
|
||
import os from 'node:os'
|
||
import lodash from 'lodash'
|
||
import template from 'art-template'
|
||
import chokidar from 'chokidar'
|
||
import cfg from '../config/config.js'
|
||
|
||
const _path = process.cwd()
|
||
|
||
let puppeteer = {}
|
||
|
||
// mac地址
|
||
let mac = ''
|
||
|
||
class Puppeteer {
|
||
constructor () {
|
||
this.browser = false
|
||
this.lock = false
|
||
this.shoting = []
|
||
/** 截图数达到时重启浏览器 避免生成速度越来越慢 */
|
||
this.restartNum = 100
|
||
/** 截图次数 */
|
||
this.renderNum = 0
|
||
this.config = {
|
||
headless: true,
|
||
args: [
|
||
'--disable-gpu',
|
||
'--disable-setuid-sandbox',
|
||
'--no-sandbox',
|
||
'--no-zygote'
|
||
]
|
||
}
|
||
|
||
if (cfg.bot?.chromium_path) {
|
||
/** chromium其他路径 */
|
||
this.config.executablePath = cfg.bot.chromium_path
|
||
}
|
||
|
||
this.html = {}
|
||
this.watcher = {}
|
||
this.createDir('./temp/html')
|
||
}
|
||
|
||
async initPupp () {
|
||
if (!lodash.isEmpty(puppeteer)) return puppeteer
|
||
|
||
puppeteer = (await import('puppeteer')).default
|
||
|
||
return puppeteer
|
||
}
|
||
|
||
createDir (dir) {
|
||
if (!fs.existsSync(dir)) {
|
||
let dirs = dir.split('/')
|
||
for (let idx = 1; idx <= dirs.length; idx++) {
|
||
let temp = dirs.slice(0, idx).join('/')
|
||
if (!fs.existsSync(temp)) {
|
||
fs.mkdirSync(temp)
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 初始化chromium
|
||
*/
|
||
async browserInit () {
|
||
await this.initPupp()
|
||
if (this.browser) return this.browser
|
||
if (this.lock) return false
|
||
this.lock = true
|
||
|
||
logger.mark('puppeteer Chromium 启动中...')
|
||
|
||
let connectFlag = false
|
||
try {
|
||
//如果是pm2启动，尝试连接已有实例
|
||
if (process.env.pm_id) {
|
||
//获取Mac地址
|
||
if (!mac) {
|
||
mac = await this.getMac()
|
||
this.browserMacKey = `Yz:chromium:browserWSEndpoint:${mac}`
|
||
}
|
||
//是否有browser实例
|
||
const browserUrl = await redis.get(this.browserMacKey)
|
||
if (browserUrl) {
|
||
const browserWSEndpoint = await puppeteer.connect({ browserWSEndpoint: browserUrl }).catch((err) => {
|
||
logger.error('puppeteer Chromium 缓存的实例已关闭')
|
||
redis.del(this.browserMacKey)
|
||
})
|
||
//如果有实例，直接使用
|
||
if (browserWSEndpoint) {
|
||
this.browser = browserWSEndpoint
|
||
if (this.browser) {
|
||
connectFlag = true
|
||
}
|
||
}
|
||
}
|
||
}
|
||
} catch (e) {
|
||
logger.error('puppeteer Chromium 尝试连接已有实例失败')
|
||
}
|
||
|
||
|
||
if (!this.browser || !connectFlag) {
|
||
//如果没有实例，初始化puppeteer
|
||
this.browser = await puppeteer.launch(this.config).catch((err, trace) => {
|
||
let errMsg = err.toString() + (trace ? trace.toString() : '')
|
||
if (typeof err == 'object') {
|
||
logger.error(JSON.stringify(err))
|
||
} else {
|
||
logger.error(err.toString())
|
||
if (errMsg.includes('Could not find Chromium')) {
|
||
logger.error('没有正确安装Chromium，可以尝试执行安装命令：node ./node_modules/puppeteer/install.js')
|
||
} else if (errMsg.includes('libatk-bridge')) {
|
||
logger.error('没有正确安装Chromium，可尝试执行 sudo yum install -y chromium')
|
||
}
|
||
}
|
||
console.log(err, trace)
|
||
})
|
||
}
|
||
|
||
this.lock = false
|
||
|
||
if (!this.browser) {
|
||
logger.error('puppeteer Chromium 启动失败')
|
||
return false
|
||
}
|
||
if (connectFlag) {
|
||
logger.mark('puppeteer Chromium 已连接启动的实例')
|
||
} else {
|
||
console.log('chromium', this.browser.wsEndpoint())
|
||
if (this.browserMacKey) {
|
||
//缓存一下实例30天
|
||
const expireTime = 60 * 60 * 24 * 30
|
||
await redis.set(this.browserMacKey, this.browser.wsEndpoint(), { EX: expireTime })
|
||
}
|
||
logger.mark('puppeteer Chromium 启动成功')
|
||
}
|
||
|
||
/** 监听Chromium实例是否断开 */
|
||
this.browser.on('disconnected', (e) => {
|
||
logger.error('Chromium实例关闭或崩溃！')
|
||
this.browser = false
|
||
})
|
||
|
||
return this.browser
|
||
}
|
||
|
||
//获取Mac地址
|
||
async getMac () {
|
||
//获取Mac地址
|
||
let mac = '00:00:00:00:00:00'
|
||
try {
|
||
const network = os.networkInterfaces()
|
||
let osMac
|
||
//判断系统
|
||
if (os.platform() === 'win32') {
|
||
//windows下获取mac地址
|
||
let osMacList = Object.keys(network).map(key => network[key]).flat()
|
||
osMacList = osMacList.filter(item => item.family === 'IPv4' && item.mac !== mac)
|
||
osMac = osMacList[0].mac
|
||
} else if (os.platform() === 'linux') {
|
||
//linux下获取mac地址
|
||
osMac = network.eth0.filter(item => item.family === 'IPv4' && item.mac !== mac)[0].mac
|
||
}
|
||
if (osMac) {
|
||
mac = String(osMac)
|
||
}
|
||
} catch (e) {
|
||
console.log('获取Mac地址失败', e.toString())
|
||
}
|
||
mac = mac.replace(/:/g, '')
|
||
return mac
|
||
}
|
||
|
||
/**
|
||
* `chromium` 截图
|
||
* @param data 模板参数
|
||
* @param data.tplFile 模板路径，必传
|
||
* @param data.saveId 生成html名称，为空name代替
|
||
* @param data.imgType screenshot参数，生成图片类型：jpeg，png
|
||
* @param data.quality screenshot参数，图片质量 0-100，jpeg是可传，默认90
|
||
* @param data.omitBackground screenshot参数，隐藏默认的白色背景，背景透明。默认不透明
|
||
* @param data.path screenshot参数，截图保存路径。截图图片类型将从文件扩展名推断出来。如果是相对路径，则从当前路径解析。如果没有指定路径，图片将不会保存到硬盘。
|
||
* @return icqq img
|
||
*/
|
||
async screenshot (name, data = {}) {
|
||
if (!await this.browserInit()) {
|
||
return false
|
||
}
|
||
|
||
let savePath = this.dealTpl(name, data)
|
||
if (!savePath) return false
|
||
|
||
let buff = ''
|
||
let start = Date.now()
|
||
|
||
this.shoting.push(name)
|
||
|
||
try {
|
||
const page = await this.browser.newPage()
|
||
await page.goto(`file://${_path}${lodash.trim(savePath, '.')}`, data.pageGotoParams || {})
|
||
let body = await page.$('#container') || await page.$('body')
|
||
|
||
let randData = {
|
||
// encoding: 'base64',
|
||
type: data.imgType || 'jpeg',
|
||
omitBackground: data.omitBackground || false,
|
||
quality: data.quality || 90,
|
||
path: data.path || ''
|
||
}
|
||
|
||
if (data.imgType === 'png') delete randData.quality
|
||
|
||
buff = await body.screenshot(randData)
|
||
|
||
page.close().catch((err) => logger.error(err))
|
||
} catch (error) {
|
||
logger.error(`图片生成失败:${name}:${error}`)
|
||
/** 关闭浏览器 */
|
||
if (this.browser) {
|
||
await this.browser.close().catch((err) => logger.error(err))
|
||
}
|
||
this.browser = false
|
||
buff = ''
|
||
return false
|
||
}
|
||
|
||
this.shoting.pop()
|
||
|
||
if (!buff) {
|
||
logger.error(`图片生成为空:${name}`)
|
||
return false
|
||
}
|
||
|
||
this.renderNum++
|
||
|
||
/** 计算图片大小 */
|
||
let kb = (buff.length / 1024).toFixed(2) + 'kb'
|
||
|
||
logger.mark(`[图片生成][${name}][${this.renderNum}次] ${kb} ${logger.green(`${Date.now() - start}ms`)}`)
|
||
|
||
this.restart()
|
||
|
||
return segment.image(buff)
|
||
}
|
||
|
||
/** 模板 */
|
||
dealTpl (name, data) {
|
||
let { tplFile, saveId = name } = data
|
||
let savePath = `./temp/html/${name}/${saveId}.html`
|
||
|
||
/** 读取html模板 */
|
||
if (!this.html[tplFile]) {
|
||
this.createDir(`./temp/html/${name}`)
|
||
|
||
try {
|
||
this.html[tplFile] = fs.readFileSync(tplFile, 'utf8')
|
||
} catch (error) {
|
||
logger.error(`加载html错误：${tplFile}`)
|
||
return false
|
||
}
|
||
|
||
this.watch(tplFile)
|
||
}
|
||
|
||
data.resPath = `${_path}/resources/`
|
||
|
||
/** 替换模板 */
|
||
let tmpHtml = template.render(this.html[tplFile], data)
|
||
|
||
/** 保存模板 */
|
||
fs.writeFileSync(savePath, tmpHtml)
|
||
|
||
logger.debug(`[图片生成][使用模板] ${savePath}`)
|
||
|
||
return savePath
|
||
}
|
||
|
||
/** 监听配置文件 */
|
||
watch (tplFile) {
|
||
if (this.watcher[tplFile]) return
|
||
|
||
const watcher = chokidar.watch(tplFile)
|
||
watcher.on('change', path => {
|
||
delete this.html[tplFile]
|
||
logger.mark(`[修改html模板] ${tplFile}`)
|
||
})
|
||
|
||
this.watcher[tplFile] = watcher
|
||
}
|
||
|
||
/** 重启 */
|
||
restart () {
|
||
/** 截图超过重启数时，自动关闭重启浏览器，避免生成速度越来越慢 */
|
||
if (this.renderNum % this.restartNum === 0) {
|
||
if (this.shoting.length <= 0) {
|
||
setTimeout(async () => {
|
||
if (this.browser) {
|
||
await this.browser.close().catch((err) => logger.error(err))
|
||
}
|
||
this.browser = false
|
||
logger.mark('puppeteer 关闭重启...')
|
||
}, 100)
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
export default new Puppeteer()
|