lx-music-desktop/src/main/modules/userApi/renderer/preload.js
2023-08-07 18:49:14 +08:00

278 lines
8.8 KiB
JavaScript

import { contextBridge, ipcRenderer } from 'electron'
import needle from 'needle'
import zlib from 'zlib'
import { createCipheriv, publicEncrypt, constants, randomBytes, createHash } from 'crypto'
import USER_API_RENDERER_EVENT_NAME from '../rendererEvent/name'
for (const key of Object.keys(process.env)) {
if (/^(?:http_proxy|https_proxy|NO_PROXY)$/i.test(key)) delete process.env[key]
}
const sendMessage = (action, data, status, message) => {
ipcRenderer.send(action, { data, status, message })
}
let isInitedApi = false
let isShowedUpdateAlert = false
const EVENT_NAMES = {
request: 'request',
inited: 'inited',
updateAlert: 'updateAlert',
}
const eventNames = Object.values(EVENT_NAMES)
const events = {
request: null,
}
const allSources = ['kw', 'kg', 'tx', 'wy', 'mg']
const supportQualitys = {
kw: ['128k', '320k', 'flac', 'flac24bit'],
kg: ['128k', '320k', 'flac', 'flac24bit'],
tx: ['128k', '320k', 'flac', 'flac24bit'],
wy: ['128k', '320k', 'flac', 'flac24bit'],
mg: ['128k', '320k', 'flac', 'flac24bit'],
}
const supportActions = {
kw: ['musicUrl'],
kg: ['musicUrl'],
tx: ['musicUrl'],
wy: ['musicUrl'],
mg: ['musicUrl'],
xm: ['musicUrl'],
}
const handleRequest = (context, { requestKey, data }) => {
// console.log(data)
if (!events.request) return sendMessage(USER_API_RENDERER_EVENT_NAME.response, { requestKey }, false, 'Request event is not defined')
try {
events.request.call(context, { source: data.source, action: data.action, info: data.info }).then(response => {
let sendData = {
requestKey,
}
switch (data.action) {
case 'musicUrl':
sendData.result = {
source: data.source,
action: data.action,
data: {
type: data.info.type,
url: response,
},
}
break
}
sendMessage(USER_API_RENDERER_EVENT_NAME.response, sendData, true)
}).catch(err => {
sendMessage(USER_API_RENDERER_EVENT_NAME.response, { requestKey }, false, err.message)
})
} catch (err) {
sendMessage(USER_API_RENDERER_EVENT_NAME.response, { requestKey }, false, err.message)
}
}
/**
*
* @param {*} context
* @param {*} info {
* openDevTools: false,
* status: true,
* message: 'xxx',
* sources: {
* kw: ['128k', '320k', 'flac', 'flac24bit'],
* kg: ['128k', '320k', 'flac', 'flac24bit'],
* tx: ['128k', '320k', 'flac', 'flac24bit'],
* wy: ['128k', '320k', 'flac', 'flac24bit'],
* mg: ['128k', '320k', 'flac', 'flac24bit'],
* }
* }
*/
const handleInit = (context, info) => {
if (!info) {
sendMessage(USER_API_RENDERER_EVENT_NAME.init, null, false, 'Init failed')
// sendMessage(USER_API_RENDERER_EVENT_NAME.init, false, null, typeof info.message === 'string' ? info.message.substring(0, 100) : '')
return
}
if (info.openDevTools === true) {
sendMessage(USER_API_RENDERER_EVENT_NAME.openDevTools)
}
if (!info.status) {
sendMessage(USER_API_RENDERER_EVENT_NAME.init, null, false, 'Init failed')
// sendMessage(USER_API_RENDERER_EVENT_NAME.init, false, null, typeof info.message === 'string' ? info.message.substring(0, 100) : '')
return
}
const sourceInfo = {
sources: {},
}
try {
for (const source of allSources) {
const userSource = info.sources[source]
if (!userSource || userSource.type !== 'music') continue
const qualitys = supportQualitys[source]
const actions = supportActions[source]
sourceInfo.sources[source] = {
type: 'music',
actions: actions.filter(a => userSource.actions.includes(a)),
qualitys: qualitys.filter(q => userSource.qualitys.includes(q)),
}
}
} catch (error) {
console.log(error)
sendMessage(USER_API_RENDERER_EVENT_NAME.init, null, false, error.message)
return
}
sendMessage(USER_API_RENDERER_EVENT_NAME.init, sourceInfo, true)
ipcRenderer.on(USER_API_RENDERER_EVENT_NAME.request, (event, data) => {
handleRequest(context, data)
})
}
const handleShowUpdateAlert = (data, resolve, reject) => {
if (!data || typeof data != 'object') return reject(new Error('parameter format error.'))
if (!data.log || typeof data.log != 'string') return reject(new Error('log is required.'))
if (data.updateUrl && !/^https?:\/\/[^\s$.?#].[^\s]*$/.test(data.updateUrl) && data.updateUrl.length > 1024) delete data.updateUrl
if (data.log.length > 1024) data.log = data.log.substring(0, 1024) + '...'
sendMessage(USER_API_RENDERER_EVENT_NAME.showUpdateAlert, {
log: data.log,
updateUrl: data.updateUrl,
})
resolve()
}
contextBridge.exposeInMainWorld('lx', {
EVENT_NAMES,
request(url, { method = 'get', timeout, headers, body, form, formData }, callback) {
let options = { headers }
let data
if (body) {
data = body
} else if (form) {
data = form
// data.content_type = 'application/x-www-form-urlencoded'
options.json = false
} else if (formData) {
data = formData
// data.content_type = 'multipart/form-data'
options.json = false
}
options.response_timeout = timeout
let request = needle.request(method, url, data, options, (err, resp, body) => {
if (!err) {
body = resp.body = resp.raw.toString()
try {
resp.body = JSON.parse(resp.body)
} catch (_) {}
body = resp.body
}
callback(err, {
statusCode: resp.statusCode,
statusMessage: resp.statusMessage,
headers: resp.headers,
bytes: resp.bytes,
raw: resp.raw,
body,
}, body)
}).request
return () => {
if (!request.aborted) request.abort()
request = null
}
},
send(eventName, data) {
return new Promise((resolve, reject) => {
if (!eventNames.includes(eventName)) return reject(new Error('The event is not supported: ' + eventName))
switch (eventName) {
case EVENT_NAMES.inited:
if (isInitedApi) return reject(new Error('Script is inited'))
isInitedApi = true
handleInit(this, data)
resolve()
break
case EVENT_NAMES.updateAlert:
if (isShowedUpdateAlert) return reject(new Error('The update alert can only be called once.'))
isShowedUpdateAlert = true
handleShowUpdateAlert(data, resolve, reject)
break
default:
reject(new Error('Unknown event name: ' + eventName))
}
})
},
on(eventName, handler) {
if (!eventNames.includes(eventName)) return Promise.reject(new Error('The event is not supported: ' + eventName))
switch (eventName) {
case EVENT_NAMES.request:
events.request = handler
break
default: return Promise.reject(new Error('The event is not supported: ' + eventName))
}
return Promise.resolve()
},
utils: {
crypto: {
aesEncrypt(buffer, mode, key, iv) {
const cipher = createCipheriv(mode, key, iv)
return Buffer.concat([cipher.update(buffer), cipher.final()])
},
rsaEncrypt(buffer, key) {
buffer = Buffer.concat([Buffer.alloc(128 - buffer.length), buffer])
return publicEncrypt({ key, padding: constants.RSA_NO_PADDING }, buffer)
},
randomBytes(size) {
return randomBytes(size)
},
md5(str) {
return createHash('md5').update(str).digest('hex')
},
},
buffer: {
from(...args) {
return Buffer.from(...args)
},
bufToString(buf, format) {
return Buffer.from(buf, 'binary').toString(format)
},
},
zlib: {
inflate(buf) {
return new Promise((resolve, reject) => {
zlib.inflate(buf, (err, data) => {
if (err) reject(new Error(err.message))
else resolve(data)
})
})
},
deflate(data) {
return new Promise((resolve, reject) => {
zlib.deflate(data, (err, buf) => {
if (err) reject(new Error(err.message))
else resolve(buf)
})
})
},
},
},
version: '1.3.0',
// removeEvent(eventName, handler) {
// if (!eventNames.includes(eventName)) return Promise.reject(new Error('The event is not supported: ' + eventName))
// let handlers
// switch (eventName) {
// case EVENT_NAMES.request:
// handlers = events.request
// break
// }
// for (let index = 0; index < handlers.length; index++) {
// if (handlers[index] === handler) {
// handlers.splice(index, 1)
// break
// }
// }
// },
// removeAllEvents() {
// for (const handlers of Object.values(events)) {
// handlers.splice(0, handlers.length)
// }
// },
})