feat(update): re-implement auto update

src/main/update/index.js

@@ -0,0 +1,65 @@
+const { app } = require('electron')
+const fetch = require('electron-fetch').default
+const semver = require('semver')
+const util = require('util')
+const path = require('path')
+const fs = require('fs-extra')
+const extract = require('../module/extract-zip')
+const { version } = require('../../../package.json')
+const { hash, sendMsg } = require('../utils')
+const config = require('../config')
+const i18n = require('../i18n')
+const streamPipeline = util.promisify(require('stream').pipeline)
+
+async function download(url, filePath) {
+  const response = await fetch(url)
+  if (!response.ok) throw new Error(`unexpected response ${response.statusText}`)
+  await streamPipeline(response.body, fs.createWriteStream(filePath))
+}
+
+const updateInfo = {
+  status: 'init'
+}
+
+const isDev = !app.isPackaged
+const appPath = isDev ? path.resolve(__dirname, '../../', 'update-dev/app'): app.getAppPath()
+const updatePath = isDev ? path.resolve(__dirname, '../../', 'update-dev/download') : path.resolve(appPath, '..', '..', 'update')
+
+const update = async () => {
+  if (isDev) return
+  try {
+    const url = 'https://earthjasonlin.github.io/zzz-signal-search-export/update'
+    const res = await fetch(`${url}/manifest.json?t=${Math.floor(Date.now() / (1000 * 60 * 10))}`)
+    const data = await res.json()
+    if (!data.active) return
+    if (semver.gt(data.version, version) && semver.gte(version, data.from)) {
+      await fs.emptyDir(updatePath)
+      const filePath = path.join(updatePath, data.name)
+      if (!config.autoUpdate) {
+        sendMsg(data.version, 'NEW_VERSION')
+        return
+      }
+      updateInfo.status = 'downloading'
+      await download(`${url}/${data.name}`, filePath)
+      const buffer = await fs.readFile(filePath)
+      const sha256 = hash(buffer)
+      if (sha256 !== data.hash) return
+      const appPathTemp = path.join(updatePath, 'app')
+      await extract(filePath, { dir: appPathTemp })
+      updateInfo.status = 'moving'
+      await fs.emptyDir(appPath)
+      await fs.copy(appPathTemp, appPath)
+      updateInfo.status = 'finished'
+      sendMsg(i18n.log.autoUpdate.success, 'UPDATE_HINT')
+    }
+  } catch (e) {
+    updateInfo.status = 'failed'
+    sendMsg(e, 'ERROR')
+  }
+}
+
+const getUpdateInfo = () => updateInfo
+
+setTimeout(update, 1000)
+
+exports.getUpdateInfo = getUpdateInfo