Files
WeFlow/electron/services/bizService.ts
2026-03-30 20:36:20 +08:00

377 lines
13 KiB
TypeScript

import { join } from 'path'
import { readdirSync, existsSync } from 'fs'
import { wcdbService } from './wcdbService'
import { dbPathService } from './dbPathService'
import { ConfigService } from './config'
import * as fzstd from 'fzstd'
import { DOMParser } from '@xmldom/xmldom'
import { ipcMain } from 'electron'
import { createHash } from 'crypto'
import {ContactCacheService} from "./contactCacheService";
export interface BizAccount {
username: string
name: string
avatar: string
type: number
last_time: number
formatted_last_time: string
}
export interface BizMessage {
local_id: number
create_time: number
title: string
des: string
url: string
cover: string
content_list: any[]
}
export interface BizPayRecord {
local_id: number
create_time: number
title: string
description: string
merchant_name: string
merchant_icon: string
timestamp: number
formatted_time: string
}
export class BizService {
private configService: ConfigService
constructor() {
this.configService = new ConfigService()
}
private getAccountDir(account?: string): string {
const root = dbPathService.getDefaultPath()
if (account) {
return join(root, account)
}
// Default to the first scanned account if no account specified
const candidates = dbPathService.scanWxids(root)
if (candidates.length > 0) {
return join(root, candidates[0].wxid)
}
return root
}
private decompressZstd(data: Buffer): string {
if (!data || data.length < 4) return data.toString('utf-8')
const magic = data.readUInt32LE(0)
if (magic !== 0xFD2FB528) {
return data.toString('utf-8')
}
try {
const decompressed = fzstd.decompress(data)
return Buffer.from(decompressed).toString('utf-8')
} catch (e) {
console.error('[BizService] Zstd decompression failed:', e)
return data.toString('utf-8')
}
}
private parseBizXml(xmlStr: string): any {
if (!xmlStr) return null
try {
const doc = new DOMParser().parseFromString(xmlStr, 'text/xml')
const q = (parent: any, selector: string) => {
const nodes = parent.getElementsByTagName(selector)
return nodes.length > 0 ? nodes[0].textContent || '' : ''
}
const appMsg = doc.getElementsByTagName('appmsg')[0]
if (!appMsg) return null
// 提取主封面
let mainCover = q(appMsg, 'thumburl')
if (!mainCover) {
const coverNode = doc.getElementsByTagName('cover')[0]
if (coverNode) mainCover = coverNode.textContent || ''
}
const result = {
title: q(appMsg, 'title'),
des: q(appMsg, 'des'),
url: q(appMsg, 'url'),
cover: mainCover,
content_list: [] as any[]
}
const items = doc.getElementsByTagName('item')
for (let i = 0; i < items.length; i++) {
const item = items[i]
const itemStruct = {
title: q(item, 'title'),
url: q(item, 'url'),
cover: q(item, 'cover'),
summary: q(item, 'summary')
}
if (itemStruct.title) {
result.content_list.push(itemStruct)
}
}
return result
} catch (e) {
console.error('[BizService] XML parse failed:', e)
return null
}
}
private parsePayXml(xmlStr: string): any {
if (!xmlStr) return null
try {
const doc = new DOMParser().parseFromString(xmlStr, 'text/xml')
const q = (parent: any, selector: string) => {
const nodes = parent.getElementsByTagName(selector)
return nodes.length > 0 ? nodes[0].textContent || '' : ''
}
const appMsg = doc.getElementsByTagName('appmsg')[0]
const header = doc.getElementsByTagName('template_header')[0]
const record = {
title: appMsg ? q(appMsg, 'title') : '',
description: appMsg ? q(appMsg, 'des') : '',
merchant_name: header ? q(header, 'display_name') : '微信支付',
merchant_icon: header ? q(header, 'icon_url') : '',
timestamp: parseInt(q(doc, 'pub_time') || '0'),
formatted_time: ''
}
return record
} catch (e) {
console.error('[BizService] Pay XML parse failed:', e)
return null
}
}
async listAccounts(account?: string): Promise<BizAccount[]> {
const root = this.configService.get('dbPath')
console.log(root)
let accountWxids: string[] = []
if (account) {
accountWxids = [account]
} else {
const candidates = dbPathService.scanWxids(root)
accountWxids = candidates.map(c => c.wxid)
}
const allBizAccounts: Record<string, BizAccount> = {}
for (const wxid of accountWxids) {
const accountDir = join(root, wxid)
const dbDir = join(accountDir, 'db_storage', 'message')
if (!existsSync(dbDir)) continue
const bizDbFiles = readdirSync(dbDir).filter(f => f.startsWith('biz_message') && f.endsWith('.db'))
if (bizDbFiles.length === 0) continue
const bizIds = new Set<string>()
const bizLatestTime: Record<string, number> = {}
for (const file of bizDbFiles) {
const dbPath = join(dbDir, file)
console.log(`path: ${dbPath}`)
const name2idRes = await wcdbService.execQuery('biz', dbPath, 'SELECT username FROM Name2Id')
console.log(`name2idRes success: ${name2idRes.success}`)
console.log(`name2idRes length: ${name2idRes.rows?.length}`)
if (name2idRes.success && name2idRes.rows) {
for (const row of name2idRes.rows) {
if (row.username) {
const uname = row.username
bizIds.add(uname)
const md5Id = createHash('md5').update(uname).digest('hex').toLowerCase()
const tableName = `Msg_${md5Id}`
const timeRes = await wcdbService.execQuery('biz', dbPath, `SELECT MAX(create_time) as max_time FROM ${tableName}`)
if (timeRes.success && timeRes.rows && timeRes.rows[0]?.max_time) {
const t = timeRes.rows[0].max_time
bizLatestTime[uname] = Math.max(bizLatestTime[uname] || 0, t)
}
}
}
}
}
if (bizIds.size === 0) continue
const contactDbPath = join(accountDir, 'contact.db')
if (existsSync(contactDbPath)) {
const idsArray = Array.from(bizIds)
const batchSize = 100
for (let i = 0; i < idsArray.length; i += batchSize) {
const batch = idsArray.slice(i, i + batchSize)
const placeholders = batch.map(() => '?').join(',')
const contactRes = await wcdbService.execQuery('contact', contactDbPath,
`SELECT username, remark, nick_name, alias, big_head_url FROM contact WHERE username IN (${placeholders})`,
batch
)
if (contactRes.success && contactRes.rows) {
for (const r of contactRes.rows) {
const uname = r.username
const name = r.remark || r.nick_name || r.alias || uname
allBizAccounts[uname] = {
username: uname,
name: name,
avatar: r.big_head_url,
type: 3,
last_time: Math.max(allBizAccounts[uname]?.last_time || 0, bizLatestTime[uname] || 0),
formatted_last_time: ''
}
}
}
const bizInfoRes = await wcdbService.execQuery('biz', contactDbPath,
`SELECT username, type FROM biz_info WHERE username IN (${placeholders})`,
batch
)
if (bizInfoRes.success && bizInfoRes.rows) {
for (const r of bizInfoRes.rows) {
if (allBizAccounts[r.username]) {
allBizAccounts[r.username].type = r.type
}
}
}
}
}
}
const result = Object.values(allBizAccounts).map(acc => ({
...acc,
formatted_last_time: acc.last_time ? new Date(acc.last_time * 1000).toISOString().split('T')[0] : ''
})).sort((a, b) => {
// 微信支付强制置顶
if (a.username === 'gh_3dfda90e39d6') return -1
if (b.username === 'gh_3dfda90e39d6') return 1
return b.last_time - a.last_time
})
return result
}
private async getMsgContentBuf(messageContent: any): Promise<Buffer | null> {
if (typeof messageContent === 'string') {
if (messageContent.length > 0 && /^[0-9a-fA-F]+$/.test(messageContent)) {
return Buffer.from(messageContent, 'hex')
}
return Buffer.from(messageContent, 'utf-8')
} else if (messageContent && messageContent.data) {
return Buffer.from(messageContent.data)
} else if (Buffer.isBuffer(messageContent) || messageContent instanceof Uint8Array) {
return Buffer.from(messageContent)
}
return null
}
async listMessages(username: string, account?: string, limit: number = 20, offset: number = 0): Promise<BizMessage[]> {
const accountDir = this.getAccountDir(account)
const md5Id = createHash('md5').update(username).digest('hex').toLowerCase()
const tableName = `Msg_${md5Id}`
const dbDir = join(accountDir, 'db_storage')
if (!existsSync(dbDir)) return []
const files = readdirSync(dbDir).filter(f => f.startsWith('biz_message') && f.endsWith('.db'))
let targetDb: string | null = null
for (const file of files) {
const dbPath = join(dbDir, file)
const checkRes = await wcdbService.execQuery('biz', dbPath, `SELECT name FROM sqlite_master WHERE type='table' AND lower(name)='${tableName}'`)
if (checkRes.success && checkRes.rows && checkRes.rows.length > 0) {
targetDb = dbPath
break
}
}
if (!targetDb) return []
const msgRes = await wcdbService.execQuery('biz', targetDb,
`SELECT local_id, create_time, message_content FROM ${tableName} WHERE local_type != 1 ORDER BY create_time DESC LIMIT ${limit} OFFSET ${offset}`
)
const messages: BizMessage[] = []
if (msgRes.success && msgRes.rows) {
for (const row of msgRes.rows) {
const contentBuf = await this.getMsgContentBuf(row.message_content)
if (!contentBuf) continue
const xmlStr = this.decompressZstd(contentBuf)
const structData = this.parseBizXml(xmlStr)
if (structData) {
messages.push({
local_id: row.local_id,
create_time: row.create_time,
...structData
})
}
}
}
return messages
}
async listPayRecords(account?: string, limit: number = 20, offset: number = 0): Promise<BizPayRecord[]> {
const username = 'gh_3dfda90e39d6' // 硬编码的微信支付账号
const accountDir = this.getAccountDir(account)
const md5Id = createHash('md5').update(username).digest('hex').toLowerCase()
const tableName = `Msg_${md5Id}`
const dbDir = join(accountDir, 'db_storage')
if (!existsSync(dbDir)) return []
const files = readdirSync(dbDir).filter(f => f.startsWith('biz_message') && f.endsWith('.db'))
let targetDb: string | null = null
for (const file of files) {
const dbPath = join(dbDir, file)
const checkRes = await wcdbService.execQuery('biz', dbPath, `SELECT name FROM sqlite_master WHERE type='table' AND lower(name)='${tableName}'`)
if (checkRes.success && checkRes.rows && checkRes.rows.length > 0) {
targetDb = dbPath
break
}
}
if (!targetDb) return []
const msgRes = await wcdbService.execQuery('biz', targetDb,
`SELECT local_id, create_time, message_content FROM ${tableName} WHERE local_type = 21474836529 OR local_type != 1 ORDER BY create_time DESC LIMIT ${limit} OFFSET ${offset}`
)
const records: BizPayRecord[] = []
if (msgRes.success && msgRes.rows) {
for (const row of msgRes.rows) {
const contentBuf = await this.getMsgContentBuf(row.message_content)
if (!contentBuf) continue
const xmlStr = this.decompressZstd(contentBuf)
const parsedData = this.parsePayXml(xmlStr)
if (parsedData) {
const timestamp = parsedData.timestamp || row.create_time
records.push({
local_id: row.local_id,
create_time: row.create_time,
...parsedData,
timestamp,
formatted_time: new Date(timestamp * 1000).toLocaleString()
})
}
}
}
return records
}
registerHandlers() {
ipcMain.handle('biz:listAccounts', (_, account) => this.listAccounts(account))
ipcMain.handle('biz:listMessages', (_, username, account, limit, offset) => this.listMessages(username, account, limit, offset))
ipcMain.handle('biz:listPayRecords', (_, account, limit, offset) => this.listPayRecords(account, limit, offset))
}
}
export const bizService = new BizService()