mirror of
https://github.com/hicccc77/WeFlow.git
synced 2026-03-22 15:39:41 +08:00
928 lines
28 KiB
TypeScript
928 lines
28 KiB
TypeScript
/**
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* HTTP API 服务
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* 提供 ChatLab 标准化格式的消息查询 API
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*/
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import * as http from 'http'
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import * as fs from 'fs'
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import * as path from 'path'
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import { URL } from 'url'
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import { chatService, Message } from './chatService'
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import { wcdbService } from './wcdbService'
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import { ConfigService } from './config'
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import { videoService } from './videoService'
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// ChatLab 格式定义
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interface ChatLabHeader {
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version: string
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exportedAt: number
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generator: string
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description?: string
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}
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interface ChatLabMeta {
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name: string
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platform: string
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type: 'group' | 'private'
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groupId?: string
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groupAvatar?: string
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ownerId?: string
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}
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interface ChatLabMember {
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platformId: string
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accountName: string
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groupNickname?: string
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aliases?: string[]
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avatar?: string
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}
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interface ChatLabMessage {
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sender: string
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accountName: string
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groupNickname?: string
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timestamp: number
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type: number
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content: string | null
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platformMessageId?: string
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replyToMessageId?: string
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mediaPath?: string
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}
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interface ChatLabData {
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chatlab: ChatLabHeader
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meta: ChatLabMeta
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members: ChatLabMember[]
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messages: ChatLabMessage[]
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}
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interface ApiMediaOptions {
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enabled: boolean
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exportImages: boolean
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exportVoices: boolean
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exportVideos: boolean
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exportEmojis: boolean
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}
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type MediaKind = 'image' | 'voice' | 'video' | 'emoji'
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interface ApiExportedMedia {
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kind: MediaKind
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fileName: string
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fullPath: string
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}
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// ChatLab 消息类型映射
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const ChatLabType = {
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TEXT: 0,
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IMAGE: 1,
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VOICE: 2,
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VIDEO: 3,
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FILE: 4,
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EMOJI: 5,
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LINK: 7,
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LOCATION: 8,
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RED_PACKET: 20,
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TRANSFER: 21,
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POKE: 22,
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CALL: 23,
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SHARE: 24,
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REPLY: 25,
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FORWARD: 26,
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CONTACT: 27,
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SYSTEM: 80,
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RECALL: 81,
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OTHER: 99
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} as const
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class HttpService {
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private server: http.Server | null = null
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private configService: ConfigService
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private port: number = 5031
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private running: boolean = false
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private connections: Set<import('net').Socket> = new Set()
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private connectionMutex: boolean = false
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constructor() {
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this.configService = ConfigService.getInstance()
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}
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/**
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* 启动 HTTP 服务
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*/
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async start(port: number = 5031): Promise<{ success: boolean; port?: number; error?: string }> {
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if (this.running && this.server) {
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return { success: true, port: this.port }
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}
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this.port = port
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return new Promise((resolve) => {
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this.server = http.createServer((req, res) => this.handleRequest(req, res))
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// 跟踪所有连接，以便关闭时能强制断开
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this.server.on('connection', (socket) => {
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// 使用互斥锁防止并发修改
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if (!this.connectionMutex) {
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this.connectionMutex = true
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this.connections.add(socket)
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this.connectionMutex = false
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}
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socket.on('close', () => {
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// 使用互斥锁防止并发修改
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if (!this.connectionMutex) {
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this.connectionMutex = true
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this.connections.delete(socket)
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this.connectionMutex = false
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}
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})
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})
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this.server.on('error', (err: NodeJS.ErrnoException) => {
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if (err.code === 'EADDRINUSE') {
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console.error(`[HttpService] Port ${this.port} is already in use`)
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resolve({ success: false, error: `Port ${this.port} is already in use` })
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} else {
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console.error('[HttpService] Server error:', err)
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resolve({ success: false, error: err.message })
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}
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})
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this.server.listen(this.port, '127.0.0.1', () => {
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this.running = true
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console.log(`[HttpService] HTTP API server started on http://127.0.0.1:${this.port}`)
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resolve({ success: true, port: this.port })
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})
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})
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}
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/**
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* 停止 HTTP 服务
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*/
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async stop(): Promise<void> {
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return new Promise((resolve) => {
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if (this.server) {
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// 使用互斥锁保护连接集合操作
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this.connectionMutex = true
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const socketsToClose = Array.from(this.connections)
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this.connections.clear()
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this.connectionMutex = false
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// 强制关闭所有活动连接
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for (const socket of socketsToClose) {
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try {
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socket.destroy()
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} catch (err) {
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console.error('[HttpService] Error destroying socket:', err)
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}
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}
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this.server.close(() => {
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this.running = false
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this.server = null
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console.log('[HttpService] HTTP API server stopped')
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resolve()
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})
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} else {
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this.running = false
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resolve()
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}
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})
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}
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/**
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* 检查服务是否运行
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*/
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isRunning(): boolean {
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return this.running
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}
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/**
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* 获取当前端口
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*/
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getPort(): number {
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return this.port
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}
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getDefaultMediaExportPath(): string {
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return this.getApiMediaExportPath()
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}
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/**
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* 处理 HTTP 请求
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*/
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private async handleRequest(req: http.IncomingMessage, res: http.ServerResponse): Promise<void> {
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// 设置 CORS 头
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res.setHeader('Access-Control-Allow-Origin', '*')
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res.setHeader('Access-Control-Allow-Methods', 'GET, OPTIONS')
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res.setHeader('Access-Control-Allow-Headers', 'Content-Type')
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if (req.method === 'OPTIONS') {
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res.writeHead(204)
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res.end()
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return
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}
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const url = new URL(req.url || '/', `http://127.0.0.1:${this.port}`)
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const pathname = url.pathname
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try {
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// 路由处理
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if (pathname === '/health' || pathname === '/api/v1/health') {
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this.sendJson(res, { status: 'ok' })
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} else if (pathname === '/api/v1/messages') {
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await this.handleMessages(url, res)
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} else if (pathname === '/api/v1/sessions') {
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await this.handleSessions(url, res)
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} else if (pathname === '/api/v1/contacts') {
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await this.handleContacts(url, res)
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} else {
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this.sendError(res, 404, 'Not Found')
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}
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} catch (error) {
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console.error('[HttpService] Request error:', error)
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this.sendError(res, 500, String(error))
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}
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}
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/**
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* 批量获取消息（循环游标直到满足 limit）
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* 绕过 chatService 的单 batch 限制，直接操作 wcdbService 游标
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*/
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private async fetchMessagesBatch(
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talker: string,
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offset: number,
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limit: number,
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startTime: number,
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endTime: number,
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ascending: boolean
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): Promise<{ success: boolean; messages?: Message[]; hasMore?: boolean; error?: string }> {
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try {
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// 使用固定 batch 大小（与 limit 相同或最多 500）来减少循环次数
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const batchSize = Math.min(limit, 500)
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const beginTimestamp = startTime > 10000000000 ? Math.floor(startTime / 1000) : startTime
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const endTimestamp = endTime > 10000000000 ? Math.floor(endTime / 1000) : endTime
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const cursorResult = await wcdbService.openMessageCursor(talker, batchSize, ascending, beginTimestamp, endTimestamp)
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if (!cursorResult.success || !cursorResult.cursor) {
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return { success: false, error: cursorResult.error || '打开消息游标失败' }
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}
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const cursor = cursorResult.cursor
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try {
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const allRows: Record<string, any>[] = []
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let hasMore = true
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let skipped = 0
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// 循环获取消息，处理 offset 跳过 + limit 累积
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while (allRows.length < limit && hasMore) {
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const batch = await wcdbService.fetchMessageBatch(cursor)
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if (!batch.success || !batch.rows || batch.rows.length === 0) {
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hasMore = false
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break
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}
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let rows = batch.rows
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hasMore = batch.hasMore === true
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// 处理 offset：跳过前 N 条
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if (skipped < offset) {
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const remaining = offset - skipped
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if (remaining >= rows.length) {
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skipped += rows.length
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continue
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}
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rows = rows.slice(remaining)
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skipped = offset
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}
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allRows.push(...rows)
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}
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const trimmedRows = allRows.slice(0, limit)
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const finalHasMore = hasMore || allRows.length > limit
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const messages = chatService.mapRowsToMessagesForApi(trimmedRows)
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return { success: true, messages, hasMore: finalHasMore }
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} finally {
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await wcdbService.closeMessageCursor(cursor)
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}
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} catch (e) {
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console.error('[HttpService] fetchMessagesBatch error:', e)
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return { success: false, error: String(e) }
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}
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}
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/**
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* Query param helpers.
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*/
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private parseIntParam(value: string | null, defaultValue: number, min: number, max: number): number {
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const parsed = parseInt(value || '', 10)
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if (!Number.isFinite(parsed)) return defaultValue
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return Math.min(Math.max(parsed, min), max)
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}
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private parseBooleanParam(url: URL, keys: string[], defaultValue: boolean = false): boolean {
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for (const key of keys) {
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const raw = url.searchParams.get(key)
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if (raw === null) continue
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const normalized = raw.trim().toLowerCase()
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if (['1', 'true', 'yes', 'on'].includes(normalized)) return true
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if (['0', 'false', 'no', 'off'].includes(normalized)) return false
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}
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return defaultValue
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}
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private parseMediaOptions(url: URL): ApiMediaOptions {
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const mediaEnabled = this.parseBooleanParam(url, ['media', 'meiti'], false)
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if (!mediaEnabled) {
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return {
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enabled: false,
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exportImages: false,
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exportVoices: false,
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exportVideos: false,
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exportEmojis: false
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}
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}
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return {
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enabled: true,
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exportImages: this.parseBooleanParam(url, ['image', 'tupian'], true),
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exportVoices: this.parseBooleanParam(url, ['voice', 'vioce'], true),
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exportVideos: this.parseBooleanParam(url, ['video'], true),
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exportEmojis: this.parseBooleanParam(url, ['emoji'], true)
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}
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}
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private async handleMessages(url: URL, res: http.ServerResponse): Promise<void> {
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const talker = (url.searchParams.get('talker') || '').trim()
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const limit = this.parseIntParam(url.searchParams.get('limit'), 100, 1, 10000)
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const offset = this.parseIntParam(url.searchParams.get('offset'), 0, 0, Number.MAX_SAFE_INTEGER)
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const keyword = (url.searchParams.get('keyword') || '').trim().toLowerCase()
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const startParam = url.searchParams.get('start')
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const endParam = url.searchParams.get('end')
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const chatlab = this.parseBooleanParam(url, ['chatlab'], false)
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const formatParam = (url.searchParams.get('format') || '').trim().toLowerCase()
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const format = formatParam || (chatlab ? 'chatlab' : 'json')
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const mediaOptions = this.parseMediaOptions(url)
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if (!talker) {
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this.sendError(res, 400, 'Missing required parameter: talker')
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return
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}
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if (format !== 'json' && format !== 'chatlab') {
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this.sendError(res, 400, 'Invalid format, supported: json/chatlab')
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return
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}
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const startTime = this.parseTimeParam(startParam)
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const endTime = this.parseTimeParam(endParam, true)
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const queryOffset = keyword ? 0 : offset
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const queryLimit = keyword ? 10000 : limit
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const result = await this.fetchMessagesBatch(talker, queryOffset, queryLimit, startTime, endTime, true)
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if (!result.success || !result.messages) {
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this.sendError(res, 500, result.error || 'Failed to get messages')
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return
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}
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let messages = result.messages
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let hasMore = result.hasMore === true
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if (keyword) {
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const filtered = messages.filter((msg) => {
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const content = (msg.parsedContent || msg.rawContent || '').toLowerCase()
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return content.includes(keyword)
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})
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const endIndex = offset + limit
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hasMore = filtered.length > endIndex
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messages = filtered.slice(offset, endIndex)
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}
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const mediaMap = mediaOptions.enabled
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? await this.exportMediaForMessages(messages, talker, mediaOptions)
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: new Map<number, ApiExportedMedia>()
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const displayNames = await this.getDisplayNames([talker])
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const talkerName = displayNames[talker] || talker
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if (format === 'chatlab') {
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const chatLabData = await this.convertToChatLab(messages, talker, talkerName, mediaMap)
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this.sendJson(res, {
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...chatLabData,
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media: {
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enabled: mediaOptions.enabled,
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exportPath: this.getApiMediaExportPath(),
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count: mediaMap.size
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}
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})
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return
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}
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const apiMessages = messages.map((msg) => this.toApiMessage(msg, mediaMap.get(msg.localId)))
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this.sendJson(res, {
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success: true,
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talker,
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count: apiMessages.length,
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hasMore,
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media: {
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enabled: mediaOptions.enabled,
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exportPath: this.getApiMediaExportPath(),
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count: mediaMap.size
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},
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messages: apiMessages
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})
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}
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/**
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* 处理会话列表查询
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* GET /api/v1/sessions?keyword=xxx&limit=100
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*/
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private async handleSessions(url: URL, res: http.ServerResponse): Promise<void> {
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const keyword = (url.searchParams.get('keyword') || '').trim()
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const limit = this.parseIntParam(url.searchParams.get('limit'), 100, 1, 10000)
|
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try {
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const sessions = await chatService.getSessions()
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if (!sessions.success || !sessions.sessions) {
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this.sendError(res, 500, sessions.error || 'Failed to get sessions')
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return
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}
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|
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let filteredSessions = sessions.sessions
|
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if (keyword) {
|
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const lowerKeyword = keyword.toLowerCase()
|
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filteredSessions = sessions.sessions.filter(s =>
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s.username.toLowerCase().includes(lowerKeyword) ||
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(s.displayName && s.displayName.toLowerCase().includes(lowerKeyword))
|
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)
|
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}
|
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|
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// 应用 limit
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const limitedSessions = filteredSessions.slice(0, limit)
|
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|
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this.sendJson(res, {
|
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success: true,
|
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count: limitedSessions.length,
|
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sessions: limitedSessions.map(s => ({
|
||
username: s.username,
|
||
displayName: s.displayName,
|
||
type: s.type,
|
||
lastTimestamp: s.lastTimestamp,
|
||
unreadCount: s.unreadCount
|
||
}))
|
||
})
|
||
} catch (error) {
|
||
this.sendError(res, 500, String(error))
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 处理联系人查询
|
||
* GET /api/v1/contacts?keyword=xxx&limit=100
|
||
*/
|
||
private async handleContacts(url: URL, res: http.ServerResponse): Promise<void> {
|
||
const keyword = (url.searchParams.get('keyword') || '').trim()
|
||
const limit = this.parseIntParam(url.searchParams.get('limit'), 100, 1, 10000)
|
||
|
||
try {
|
||
const contacts = await chatService.getContacts()
|
||
if (!contacts.success || !contacts.contacts) {
|
||
this.sendError(res, 500, contacts.error || 'Failed to get contacts')
|
||
return
|
||
}
|
||
|
||
let filteredContacts = contacts.contacts
|
||
if (keyword) {
|
||
const lowerKeyword = keyword.toLowerCase()
|
||
filteredContacts = contacts.contacts.filter(c =>
|
||
c.username.toLowerCase().includes(lowerKeyword) ||
|
||
(c.nickname && c.nickname.toLowerCase().includes(lowerKeyword)) ||
|
||
(c.remark && c.remark.toLowerCase().includes(lowerKeyword)) ||
|
||
(c.displayName && c.displayName.toLowerCase().includes(lowerKeyword))
|
||
)
|
||
}
|
||
|
||
const limited = filteredContacts.slice(0, limit)
|
||
|
||
this.sendJson(res, {
|
||
success: true,
|
||
count: limited.length,
|
||
contacts: limited
|
||
})
|
||
} catch (error) {
|
||
this.sendError(res, 500, String(error))
|
||
}
|
||
}
|
||
|
||
private getApiMediaExportPath(): string {
|
||
return path.join(this.configService.getCacheBasePath(), 'api-media')
|
||
}
|
||
|
||
private sanitizeFileName(value: string, fallback: string): string {
|
||
const safe = (value || '')
|
||
.trim()
|
||
.replace(/[<>:"/\\|?*\x00-\x1f]/g, '_')
|
||
.replace(/\.+$/g, '')
|
||
return safe || fallback
|
||
}
|
||
|
||
private ensureDir(dirPath: string): void {
|
||
if (!fs.existsSync(dirPath)) {
|
||
fs.mkdirSync(dirPath, { recursive: true })
|
||
}
|
||
}
|
||
|
||
private detectImageExt(buffer: Buffer): string {
|
||
if (buffer.length >= 3 && buffer[0] === 0xff && buffer[1] === 0xd8 && buffer[2] === 0xff) return '.jpg'
|
||
if (buffer.length >= 8 && buffer.subarray(0, 8).equals(Buffer.from([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]))) return '.png'
|
||
if (buffer.length >= 6) {
|
||
const sig6 = buffer.subarray(0, 6).toString('ascii')
|
||
if (sig6 === 'GIF87a' || sig6 === 'GIF89a') return '.gif'
|
||
}
|
||
if (buffer.length >= 12 && buffer.subarray(0, 4).toString('ascii') === 'RIFF' && buffer.subarray(8, 12).toString('ascii') === 'WEBP') return '.webp'
|
||
if (buffer.length >= 2 && buffer[0] === 0x42 && buffer[1] === 0x4d) return '.bmp'
|
||
return '.jpg'
|
||
}
|
||
|
||
private async exportMediaForMessages(
|
||
messages: Message[],
|
||
talker: string,
|
||
options: ApiMediaOptions
|
||
): Promise<Map<number, ApiExportedMedia>> {
|
||
const mediaMap = new Map<number, ApiExportedMedia>()
|
||
if (!options.enabled || messages.length === 0) {
|
||
return mediaMap
|
||
}
|
||
|
||
const sessionDir = path.join(this.getApiMediaExportPath(), this.sanitizeFileName(talker, 'session'))
|
||
this.ensureDir(sessionDir)
|
||
|
||
for (const msg of messages) {
|
||
const exported = await this.exportMediaForMessage(msg, talker, sessionDir, options)
|
||
if (exported) {
|
||
mediaMap.set(msg.localId, exported)
|
||
}
|
||
}
|
||
|
||
return mediaMap
|
||
}
|
||
|
||
private async exportMediaForMessage(
|
||
msg: Message,
|
||
talker: string,
|
||
sessionDir: string,
|
||
options: ApiMediaOptions
|
||
): Promise<ApiExportedMedia | null> {
|
||
try {
|
||
if (msg.localType === 3 && options.exportImages) {
|
||
const result = await chatService.getImageData(talker, String(msg.localId))
|
||
if (result.success && result.data) {
|
||
const imageBuffer = Buffer.from(result.data, 'base64')
|
||
const ext = this.detectImageExt(imageBuffer)
|
||
const fileBase = this.sanitizeFileName(msg.imageMd5 || msg.imageDatName || `image_${msg.localId}`, `image_${msg.localId}`)
|
||
const fileName = `${fileBase}${ext}`
|
||
const targetDir = path.join(sessionDir, 'images')
|
||
const fullPath = path.join(targetDir, fileName)
|
||
this.ensureDir(targetDir)
|
||
if (!fs.existsSync(fullPath)) {
|
||
fs.writeFileSync(fullPath, imageBuffer)
|
||
}
|
||
return { kind: 'image', fileName, fullPath }
|
||
}
|
||
}
|
||
|
||
if (msg.localType === 34 && options.exportVoices) {
|
||
const result = await chatService.getVoiceData(
|
||
talker,
|
||
String(msg.localId),
|
||
msg.createTime || undefined,
|
||
msg.serverId || undefined
|
||
)
|
||
if (result.success && result.data) {
|
||
const fileName = `voice_${msg.localId}.wav`
|
||
const targetDir = path.join(sessionDir, 'voices')
|
||
const fullPath = path.join(targetDir, fileName)
|
||
this.ensureDir(targetDir)
|
||
if (!fs.existsSync(fullPath)) {
|
||
fs.writeFileSync(fullPath, Buffer.from(result.data, 'base64'))
|
||
}
|
||
return { kind: 'voice', fileName, fullPath }
|
||
}
|
||
}
|
||
|
||
if (msg.localType === 43 && options.exportVideos && msg.videoMd5) {
|
||
const info = await videoService.getVideoInfo(msg.videoMd5)
|
||
if (info.exists && info.videoUrl && fs.existsSync(info.videoUrl)) {
|
||
const ext = path.extname(info.videoUrl) || '.mp4'
|
||
const fileName = `${this.sanitizeFileName(msg.videoMd5, `video_${msg.localId}`)}${ext}`
|
||
const targetDir = path.join(sessionDir, 'videos')
|
||
const fullPath = path.join(targetDir, fileName)
|
||
this.ensureDir(targetDir)
|
||
if (!fs.existsSync(fullPath)) {
|
||
fs.copyFileSync(info.videoUrl, fullPath)
|
||
}
|
||
return { kind: 'video', fileName, fullPath }
|
||
}
|
||
}
|
||
|
||
if (msg.localType === 47 && options.exportEmojis && msg.emojiCdnUrl) {
|
||
const result = await chatService.downloadEmoji(msg.emojiCdnUrl, msg.emojiMd5)
|
||
if (result.success && result.localPath && fs.existsSync(result.localPath)) {
|
||
const sourceExt = path.extname(result.localPath) || '.gif'
|
||
const fileName = `${this.sanitizeFileName(msg.emojiMd5 || `emoji_${msg.localId}`, `emoji_${msg.localId}`)}${sourceExt}`
|
||
const targetDir = path.join(sessionDir, 'emojis')
|
||
const fullPath = path.join(targetDir, fileName)
|
||
this.ensureDir(targetDir)
|
||
if (!fs.existsSync(fullPath)) {
|
||
fs.copyFileSync(result.localPath, fullPath)
|
||
}
|
||
return { kind: 'emoji', fileName, fullPath }
|
||
}
|
||
}
|
||
} catch (e) {
|
||
console.warn('[HttpService] exportMediaForMessage failed:', e)
|
||
}
|
||
|
||
return null
|
||
}
|
||
|
||
private toApiMessage(msg: Message, media?: ApiExportedMedia): Record<string, any> {
|
||
return {
|
||
localId: msg.localId,
|
||
serverId: msg.serverId,
|
||
localType: msg.localType,
|
||
createTime: msg.createTime,
|
||
sortSeq: msg.sortSeq,
|
||
isSend: msg.isSend,
|
||
senderUsername: msg.senderUsername,
|
||
content: this.getMessageContent(msg),
|
||
rawContent: msg.rawContent,
|
||
parsedContent: msg.parsedContent,
|
||
mediaType: media?.kind,
|
||
mediaFileName: media?.fileName,
|
||
mediaPath: media?.fullPath
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 解析时间参数
|
||
* 支持 YYYYMMDD 格式，返回秒级时间戳
|
||
*/
|
||
private parseTimeParam(param: string | null, isEnd: boolean = false): number {
|
||
if (!param) return 0
|
||
|
||
// 纯数字且长度为 8，视为 YYYYMMDD
|
||
if (/^\d{8}$/.test(param)) {
|
||
const year = parseInt(param.slice(0, 4), 10)
|
||
const month = parseInt(param.slice(4, 6), 10) - 1
|
||
const day = parseInt(param.slice(6, 8), 10)
|
||
const date = new Date(year, month, day)
|
||
if (isEnd) {
|
||
// 结束时间设为当天 23:59:59
|
||
date.setHours(23, 59, 59, 999)
|
||
}
|
||
return Math.floor(date.getTime() / 1000)
|
||
}
|
||
|
||
// 纯数字，视为时间戳
|
||
if (/^\d+$/.test(param)) {
|
||
const ts = parseInt(param, 10)
|
||
// 如果是毫秒级时间戳，转为秒级
|
||
return ts > 10000000000 ? Math.floor(ts / 1000) : ts
|
||
}
|
||
|
||
return 0
|
||
}
|
||
|
||
/**
|
||
* 获取显示名称
|
||
*/
|
||
private async getDisplayNames(usernames: string[]): Promise<Record<string, string>> {
|
||
try {
|
||
const result = await wcdbService.getDisplayNames(usernames)
|
||
if (result.success && result.map) {
|
||
return result.map
|
||
}
|
||
} catch (e) {
|
||
console.error('[HttpService] Failed to get display names:', e)
|
||
}
|
||
// 返回空对象，调用方会使用 username 作为备用
|
||
return {}
|
||
}
|
||
|
||
/**
|
||
* 转换为 ChatLab 格式
|
||
*/
|
||
private async convertToChatLab(
|
||
messages: Message[],
|
||
talkerId: string,
|
||
talkerName: string,
|
||
mediaMap: Map<number, ApiExportedMedia> = new Map()
|
||
): Promise<ChatLabData> {
|
||
const isGroup = talkerId.endsWith('@chatroom')
|
||
const myWxid = this.configService.get('myWxid') || ''
|
||
|
||
// 收集所有发送者
|
||
const senderSet = new Set<string>()
|
||
for (const msg of messages) {
|
||
if (msg.senderUsername) {
|
||
senderSet.add(msg.senderUsername)
|
||
}
|
||
}
|
||
|
||
// 获取发送者显示名
|
||
const senderNames = await this.getDisplayNames(Array.from(senderSet))
|
||
|
||
// 获取群昵称（如果是群聊）
|
||
let groupNicknamesMap = new Map<string, string>()
|
||
if (isGroup) {
|
||
try {
|
||
const result = await wcdbService.getGroupNicknames(talkerId)
|
||
if (result.success && result.nicknames) {
|
||
groupNicknamesMap = new Map(Object.entries(result.nicknames))
|
||
}
|
||
} catch (e) {
|
||
console.error('[HttpService] Failed to get group nicknames:', e)
|
||
}
|
||
}
|
||
|
||
// 构建成员列表
|
||
const memberMap = new Map<string, ChatLabMember>()
|
||
for (const msg of messages) {
|
||
const sender = msg.senderUsername || ''
|
||
if (sender && !memberMap.has(sender)) {
|
||
const displayName = senderNames[sender] || sender
|
||
const isSelf = sender === myWxid || sender.toLowerCase() === myWxid.toLowerCase()
|
||
// 获取群昵称（尝试多种方式）
|
||
const groupNickname = isGroup
|
||
? (groupNicknamesMap.get(sender) || groupNicknamesMap.get(sender.toLowerCase()) || '')
|
||
: ''
|
||
memberMap.set(sender, {
|
||
platformId: sender,
|
||
accountName: isSelf ? '我' : displayName,
|
||
groupNickname: groupNickname || undefined
|
||
})
|
||
}
|
||
}
|
||
|
||
// 转换消息
|
||
const chatLabMessages: ChatLabMessage[] = messages.map(msg => {
|
||
const sender = msg.senderUsername || ''
|
||
const isSelf = msg.isSend === 1 || sender === myWxid
|
||
const accountName = isSelf ? '我' : (senderNames[sender] || sender)
|
||
// 获取该发送者的群昵称
|
||
const groupNickname = isGroup
|
||
? (groupNicknamesMap.get(sender) || groupNicknamesMap.get(sender.toLowerCase()) || '')
|
||
: ''
|
||
|
||
return {
|
||
sender,
|
||
accountName,
|
||
groupNickname: groupNickname || undefined,
|
||
timestamp: msg.createTime,
|
||
type: this.mapMessageType(msg.localType, msg),
|
||
content: this.getMessageContent(msg),
|
||
platformMessageId: msg.serverId ? String(msg.serverId) : undefined,
|
||
mediaPath: mediaMap.get(msg.localId)?.fullPath
|
||
}
|
||
})
|
||
|
||
return {
|
||
chatlab: {
|
||
version: '0.0.2',
|
||
exportedAt: Math.floor(Date.now() / 1000),
|
||
generator: 'WeFlow'
|
||
},
|
||
meta: {
|
||
name: talkerName,
|
||
platform: 'wechat',
|
||
type: isGroup ? 'group' : 'private',
|
||
groupId: isGroup ? talkerId : undefined,
|
||
ownerId: myWxid || undefined
|
||
},
|
||
members: Array.from(memberMap.values()),
|
||
messages: chatLabMessages
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 映射 WeChat 消息类型到 ChatLab 类型
|
||
*/
|
||
private mapMessageType(localType: number, msg: Message): number {
|
||
switch (localType) {
|
||
case 1: // 文本
|
||
return ChatLabType.TEXT
|
||
case 3: // 图片
|
||
return ChatLabType.IMAGE
|
||
case 34: // 语音
|
||
return ChatLabType.VOICE
|
||
case 43: // 视频
|
||
return ChatLabType.VIDEO
|
||
case 47: // 动画表情
|
||
return ChatLabType.EMOJI
|
||
case 48: // 位置
|
||
return ChatLabType.LOCATION
|
||
case 42: // 名片
|
||
return ChatLabType.CONTACT
|
||
case 50: // 语音/视频通话
|
||
return ChatLabType.CALL
|
||
case 10000: // 系统消息
|
||
return ChatLabType.SYSTEM
|
||
case 49: // 复合消息
|
||
return this.mapType49(msg)
|
||
case 244813135921: // 引用消息
|
||
return ChatLabType.REPLY
|
||
case 266287972401: // 拍一拍
|
||
return ChatLabType.POKE
|
||
case 8594229559345: // 红包
|
||
return ChatLabType.RED_PACKET
|
||
case 8589934592049: // 转账
|
||
return ChatLabType.TRANSFER
|
||
default:
|
||
return ChatLabType.OTHER
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 映射 Type 49 子类型
|
||
*/
|
||
private mapType49(msg: Message): number {
|
||
const xmlType = msg.xmlType
|
||
|
||
switch (xmlType) {
|
||
case '5': // 链接
|
||
case '49':
|
||
return ChatLabType.LINK
|
||
case '6': // 文件
|
||
return ChatLabType.FILE
|
||
case '19': // 聊天记录
|
||
return ChatLabType.FORWARD
|
||
case '33': // 小程序
|
||
case '36':
|
||
return ChatLabType.SHARE
|
||
case '57': // 引用消息
|
||
return ChatLabType.REPLY
|
||
case '2000': // 转账
|
||
return ChatLabType.TRANSFER
|
||
case '2001': // 红包
|
||
return ChatLabType.RED_PACKET
|
||
default:
|
||
return ChatLabType.OTHER
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 获取消息内容
|
||
*/
|
||
private getMessageContent(msg: Message): string | null {
|
||
// 优先使用已解析的内容
|
||
if (msg.parsedContent) {
|
||
return msg.parsedContent
|
||
}
|
||
|
||
// 根据类型返回占位符
|
||
switch (msg.localType) {
|
||
case 1:
|
||
return msg.rawContent || null
|
||
case 3:
|
||
return '[图片]'
|
||
case 34:
|
||
return '[语音]'
|
||
case 43:
|
||
return '[视频]'
|
||
case 47:
|
||
return '[表情]'
|
||
case 42:
|
||
return msg.cardNickname || '[名片]'
|
||
case 48:
|
||
return '[位置]'
|
||
case 49:
|
||
return msg.linkTitle || msg.fileName || '[消息]'
|
||
default:
|
||
return msg.rawContent || null
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 发送 JSON 响应
|
||
*/
|
||
private sendJson(res: http.ServerResponse, data: any): void {
|
||
res.setHeader('Content-Type', 'application/json; charset=utf-8')
|
||
res.writeHead(200)
|
||
res.end(JSON.stringify(data, null, 2))
|
||
}
|
||
|
||
/**
|
||
* 发送错误响应
|
||
*/
|
||
private sendError(res: http.ServerResponse, code: number, message: string): void {
|
||
res.setHeader('Content-Type', 'application/json; charset=utf-8')
|
||
res.writeHead(code)
|
||
res.end(JSON.stringify({ error: message }))
|
||
}
|
||
}
|
||
|
||
export const httpService = new HttpService()
|
||
|