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File size: 2,161 Bytes
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import express from 'express'
import type { ChatContext, ChatMessage } from './chatgpt'
import { chatConfig, chatReplyProcess } from './chatgpt'
import { auth } from './middleware/auth'
const app = express()
const router = express.Router()
app.use(express.static('public'))
app.use(express.json())
app.all('*', (_, res, next) => {
res.header('Access-Control-Allow-Origin', '*')
res.header('Access-Control-Allow-Headers', 'authorization, Content-Type')
res.header('Access-Control-Allow-Methods', '*')
next()
})
router.post('/chat-process', auth, async (req, res) => {
res.setHeader('Content-type', 'application/octet-stream')
try {
const { prompt, options = {} } = req.body as { prompt: string; options?: ChatContext }
let firstChunk = true
await chatReplyProcess(prompt, options, (chat: ChatMessage) => {
res.write(firstChunk ? JSON.stringify(chat) : `\n${JSON.stringify(chat)}`)
firstChunk = false
})
}
catch (error) {
res.write(JSON.stringify(error))
}
finally {
res.end()
}
})
router.post('/config', async (req, res) => {
try {
const response = await chatConfig()
res.send(response)
}
catch (error) {
res.send(error)
}
})
router.post('/session', async (req, res) => {
try {
const AUTH_SECRET_KEY = process.env.AUTH_SECRET_KEY
const hasAuth = typeof AUTH_SECRET_KEY === 'string' && AUTH_SECRET_KEY.length > 0
res.send({ status: 'Success', message: '', data: { auth: hasAuth } })
}
catch (error) {
res.send({ status: 'Fail', message: error.message, data: null })
}
})
router.post('/verify', async (req, res) => {
try {
const { token } = req.body as { token: string }
if (!token)
throw new Error('Secret key is empty')
if (process.env.AUTH_SECRET_KEY !== token)
throw new Error('密钥无效 | Secret key is invalid')
res.send({ status: 'Success', message: 'Verify successfully', data: null })
}
catch (error) {
res.send({ status: 'Fail', message: error.message, data: null })
}
})
app.use('', router)
app.use('/api', router)
app.listen(3002, () => globalThis.console.log('Server is running on port 3002'))
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