322 lines
9.7 KiB
JavaScript
322 lines
9.7 KiB
JavaScript
import Renderer from '../../../lib/renderer/Renderer.js'
|
||
import os from 'node:os'
|
||
import lodash from 'lodash'
|
||
import puppeteer from 'puppeteer'
|
||
// 暂时保留对原config的兼容
|
||
import cfg from '../../../lib/config/config.js'
|
||
import { Data } from '#miao'
|
||
|
||
const _path = process.cwd()
|
||
// mac地址
|
||
let mac = ''
|
||
// 超时计时器
|
||
let overtimeList = []
|
||
|
||
export default class Puppeteer extends Renderer {
|
||
constructor (config) {
|
||
super({
|
||
id: 'puppeteer',
|
||
type: 'image',
|
||
render: 'screenshot'
|
||
})
|
||
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: Data.def(config.headless, true),
|
||
args: Data.def(config.args, [
|
||
'--disable-gpu',
|
||
'--disable-setuid-sandbox',
|
||
'--no-sandbox',
|
||
'--no-zygote'
|
||
])
|
||
}
|
||
if (config.chromiumPath || cfg?.bot?.chromium_path) {
|
||
/** chromium其他路径 */
|
||
this.config.executablePath = config.chromiumPath || cfg?.bot?.chromium_path
|
||
}
|
||
if (config.puppeteerWS || cfg?.bot?.puppeteer_ws) {
|
||
/** chromium其他路径 */
|
||
this.config.wsEndpoint = config.puppeteerWS || cfg?.bot?.puppeteer_ws
|
||
}
|
||
/** puppeteer超时超时时间 */
|
||
this.puppeteerTimeout = config.puppeteerTimeout || cfg?.bot?.puppeteer_timeout || 0
|
||
}
|
||
|
||
/**
|
||
* 初始化chromium
|
||
*/
|
||
async browserInit () {
|
||
if (this.browser) return this.browser
|
||
if (this.lock) return false
|
||
this.lock = true
|
||
|
||
logger.info('puppeteer Chromium 启动中...')
|
||
|
||
let connectFlag = false
|
||
try {
|
||
// 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)) || this.config.wsEndpoint
|
||
if (browserUrl) {
|
||
logger.info(`puppeteer Chromium from ${browserUrl}`)
|
||
const browserWSEndpoint = await puppeteer.connect({ browserWSEndpoint: browserUrl }).catch(() => {
|
||
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.info('puppeteer Chromium 不存在已有实例')
|
||
}
|
||
|
||
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('cannot open shared object file')) {
|
||
logger.error('没有正确安装 Chromium 运行库')
|
||
}
|
||
}
|
||
logger.error(err, trace)
|
||
})
|
||
}
|
||
|
||
this.lock = false
|
||
|
||
if (!this.browser) {
|
||
logger.error('puppeteer Chromium 启动失败')
|
||
return false
|
||
}
|
||
if (connectFlag) {
|
||
logger.info('puppeteer Chromium 已连接启动的实例')
|
||
} else {
|
||
logger.info(`[Chromium] ${this.browser.wsEndpoint()}`)
|
||
if (process.env.pm_id && 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.info('puppeteer Chromium 启动成功')
|
||
}
|
||
|
||
/** 监听Chromium实例是否断开 */
|
||
this.browser.on('disconnected', () => {
|
||
logger.error('Chromium 实例关闭或崩溃！')
|
||
this.browser = false
|
||
})
|
||
|
||
return this.browser
|
||
}
|
||
|
||
// 获取Mac地址
|
||
getMac () {
|
||
let mac = '00:00:00:00:00:00'
|
||
try {
|
||
const network = os.networkInterfaces()
|
||
let macFlag = false
|
||
for (const a in network) {
|
||
for (const i of network[a]) {
|
||
if (i.mac && i.mac !== mac) {
|
||
macFlag = true
|
||
mac = i.mac
|
||
break
|
||
}
|
||
}
|
||
if (macFlag) {
|
||
break
|
||
}
|
||
}
|
||
} catch (e) {
|
||
}
|
||
mac = mac.replace(/:/g, '')
|
||
return mac
|
||
}
|
||
|
||
/**
|
||
* `chromium` 截图
|
||
* @param name
|
||
* @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。
|
||
* @param data.multiPage 是否分页截图，默认false
|
||
* @param data.multiPageHeight 分页状态下页面高度，默认4000
|
||
* @param data.pageGotoParams 页面goto时的参数
|
||
* @return img 不做segment包裹
|
||
*/
|
||
async screenshot (name, data = {}) {
|
||
if (!await this.browserInit()) {
|
||
return false
|
||
}
|
||
const pageHeight = data.multiPageHeight || 4000
|
||
|
||
let savePath = this.dealTpl(name, data)
|
||
if (!savePath) {
|
||
return false
|
||
}
|
||
|
||
let buff = ''
|
||
let start = Date.now()
|
||
|
||
let ret = []
|
||
this.shoting.push(name)
|
||
|
||
const puppeteerTimeout = this.puppeteerTimeout
|
||
let overtime
|
||
let overtimeFlag = false
|
||
if (puppeteerTimeout > 0) {
|
||
// TODO 截图超时处理
|
||
overtime = setTimeout(() => {
|
||
if (!overtimeFlag) {
|
||
logger.error(`[图片生成][${name}] 截图超时，当前等待队列：${this.shoting.join(',')}`)
|
||
this.restart(true)
|
||
this.shoting = []
|
||
overtimeList.forEach(item => {
|
||
clearTimeout(item)
|
||
})
|
||
}
|
||
}, puppeteerTimeout)
|
||
}
|
||
|
||
try {
|
||
const page = await this.browser.newPage()
|
||
let pageGotoParams = lodash.extend({ timeout: 120000 }, data.pageGotoParams || {})
|
||
await page.goto(`file://${_path}${lodash.trim(savePath, '.')}`, pageGotoParams)
|
||
let body = await page.$('#container') || await page.$('body')
|
||
|
||
// 计算页面高度
|
||
const boundingBox = await body.boundingBox()
|
||
// 分页数
|
||
let num = 1
|
||
|
||
let randData = {
|
||
type: data.imgType || 'jpeg',
|
||
omitBackground: data.omitBackground || false,
|
||
quality: data.quality || 90,
|
||
path: data.path || ''
|
||
}
|
||
|
||
if (data.multiPage) {
|
||
randData.type = 'jpeg'
|
||
num = Math.round(boundingBox.height / pageHeight) || 1
|
||
}
|
||
|
||
if (data.imgType === 'png') {
|
||
delete randData.quality
|
||
}
|
||
|
||
if (!data.multiPage) {
|
||
buff = await body.screenshot(randData)
|
||
/** 计算图片大小 */
|
||
const kb = (buff.length / 1024).toFixed(2) + 'KB'
|
||
logger.mark(`[图片生成][${name}][${this.renderNum}次] ${kb} ${logger.green(`${Date.now() - start}ms`)}`)
|
||
this.renderNum++
|
||
ret.push(buff)
|
||
} else {
|
||
// 分片截图
|
||
if (num > 1) {
|
||
await page.setViewport({
|
||
width: boundingBox.width,
|
||
height: pageHeight + 100
|
||
})
|
||
}
|
||
for (let i = 1; i <= num; i++) {
|
||
if (i !== 1 && i === num) {
|
||
await page.setViewport({
|
||
width: boundingBox.width,
|
||
height: parseInt(boundingBox.height) - pageHeight * (num - 1)
|
||
})
|
||
}
|
||
if (i !== 1 && i <= num) {
|
||
await page.evaluate(pageHeight => window.scrollBy(0, pageHeight), pageHeight)
|
||
}
|
||
if (num === 1) {
|
||
buff = await body.screenshot(randData)
|
||
} else {
|
||
buff = await page.screenshot(randData)
|
||
}
|
||
if (num > 2) {
|
||
await Data.sleep(200)
|
||
}
|
||
this.renderNum++
|
||
|
||
/** 计算图片大小 */
|
||
const kb = (buff.length / 1024).toFixed(2) + 'KB'
|
||
logger.mark(`[图片生成][${name}][${i}/${num}] ${kb}`)
|
||
ret.push(buff)
|
||
}
|
||
if (num > 1) {
|
||
logger.mark(`[图片生成][${name}] 处理完成`)
|
||
}
|
||
}
|
||
page.close().catch((err) => logger.error(err))
|
||
} catch (error) {
|
||
logger.error(`[图片生成][${name}] 图片生成失败：${error}`)
|
||
/** 关闭浏览器 */
|
||
if (this.browser) {
|
||
await this.browser.close().catch((err) => logger.error(err))
|
||
}
|
||
this.browser = false
|
||
ret = []
|
||
return false
|
||
} finally {
|
||
if (overtime) {
|
||
overtimeFlag = true
|
||
clearTimeout(overtime)
|
||
overtimeList = []
|
||
}
|
||
}
|
||
|
||
this.shoting.pop()
|
||
|
||
if (ret.length === 0 || !ret[0]) {
|
||
logger.error(`[图片生成][${name}] 图片生成为空`)
|
||
return false
|
||
}
|
||
|
||
this.restart(false)
|
||
|
||
return data.multiPage ? ret : ret[0]
|
||
}
|
||
|
||
/** 重启 */
|
||
restart (force = false) {
|
||
/** 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 || force) {
|
||
if (this.shoting.length <= 0 || force) {
|
||
setTimeout(async () => {
|
||
if (this.browser) {
|
||
await this.browser.close().catch((err) => logger.error(err))
|
||
}
|
||
this.browser = false
|
||
logger.info(`puppeteer Chromium ${force ? '强制' : ''}关闭重启...`)
|
||
}, 100)
|
||
}
|
||
}
|
||
}
|
||
}
|