mirror of
https://github.com/ikechan8370/chatgpt-plugin.git
synced 2025-12-16 21:37:11 +00:00
418 lines
12 KiB
JavaScript
418 lines
12 KiB
JavaScript
import crypto from 'crypto'
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import { GoogleGeminiClient } from './GoogleGeminiClient.js'
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import { newFetch } from '../utils/proxy.js'
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import _ from 'lodash'
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const BASEURL = 'https://generativelanguage.googleapis.com'
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export const HarmCategory = {
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HARM_CATEGORY_UNSPECIFIED: 'HARM_CATEGORY_UNSPECIFIED',
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HARM_CATEGORY_HATE_SPEECH: 'HARM_CATEGORY_HATE_SPEECH',
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HARM_CATEGORY_SEXUALLY_EXPLICIT: 'HARM_CATEGORY_SEXUALLY_EXPLICIT',
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HARM_CATEGORY_HARASSMENT: 'HARM_CATEGORY_HARASSMENT',
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HARM_CATEGORY_DANGEROUS_CONTENT: 'HARM_CATEGORY_DANGEROUS_CONTENT',
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HARM_CATEGORY_CIVIC_INTEGRITY: 'HARM_CATEGORY_CIVIC_INTEGRITY'
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}
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export const HarmBlockThreshold = {
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HARM_BLOCK_THRESHOLD_UNSPECIFIED: 'HARM_BLOCK_THRESHOLD_UNSPECIFIED',
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BLOCK_LOW_AND_ABOVE: 'BLOCK_LOW_AND_ABOVE',
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BLOCK_MEDIUM_AND_ABOVE: 'BLOCK_MEDIUM_AND_ABOVE',
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BLOCK_ONLY_HIGH: 'BLOCK_ONLY_HIGH',
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BLOCK_NONE: 'BLOCK_NONE',
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OFF: 'OFF'
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}
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/**
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* @typedef {{
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* role: string,
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* parts: Array<{
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* text?: string,
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* functionCall?: FunctionCall,
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* functionResponse?: FunctionResponse,
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* executableCode?: {
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* language: string,
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* code: string
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* },
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* codeExecutionResult?: {
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* outcome: string,
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* output: string
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* }
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* }>
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* }} Content
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*
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* Gemini消息的基本格式
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*/
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/**
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* @typedef {{
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* searchEntryPoint: {
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* renderedContent: string,
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* },
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* groundingChunks: Array<{
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* web: {
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* uri: string,
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* title: string
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* }
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* }>,
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* webSearchQueries: Array<string>
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* }} GroundingMetadata
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* 搜索结果的元数据
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*/
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/**
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* @typedef {{
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* name: string,
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* args: {}
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* }} FunctionCall
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*
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* Gemini的FunctionCall
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*/
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/**
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* @typedef {{
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* name: string,
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* response: {
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* name: string,
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* content: {}
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* }
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* }} FunctionResponse
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*
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* Gemini的Function执行结果包裹
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* 其中response可以为任意，本项目根据官方示例封装为name和content两个字段
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*/
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export class CustomGoogleGeminiClient extends GoogleGeminiClient {
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constructor (props) {
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super(props)
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this.model = props.model
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this.baseUrl = props.baseUrl || BASEURL
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this.supportFunction = true
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this.debug = props.debug
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}
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/**
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*
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* @param text
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* @param {{
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* conversationId: string?,
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* parentMessageId: string?,
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* stream: boolean?,
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* onProgress: function?,
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* functionResponse: FunctionResponse?,
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* system: string?,
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* image: string?,
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* maxOutputTokens: number?,
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* temperature: number?,
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* topP: number?,
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* tokK: number?,
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* replyPureTextCallback: Function,
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* toolMode: 'AUTO' | 'ANY' | 'NONE'
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* search: boolean,
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* codeExecution: boolean
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* }} opt
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* @returns {Promise<{conversationId: string?, parentMessageId: string, text: string, id: string}>}
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*/
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async sendMessage (text, opt = {}) {
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let history = await this.getHistory(opt.parentMessageId)
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let systemMessage = opt.system
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// if (systemMessage) {
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// history = history.reverse()
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// history.push({
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// role: 'model',
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// parts: [
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// {
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// text: 'ok'
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// }
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// ]
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// })
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// history.push({
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// role: 'user',
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// parts: [
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// {
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// text: systemMessage
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// }
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// ]
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// })
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// history = history.reverse()
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// }
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const idThis = crypto.randomUUID()
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const idModel = crypto.randomUUID()
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const thisMessage = opt.functionResponse
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? {
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role: 'user',
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parts: [{
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functionResponse: opt.functionResponse
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}],
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id: idThis,
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parentMessageId: opt.parentMessageId || undefined
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}
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: {
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role: 'user',
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parts: text ? [{ text }] : [],
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id: idThis,
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parentMessageId: opt.parentMessageId || undefined
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}
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if (opt.image) {
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thisMessage.parts.push({
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inline_data: {
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mime_type: 'image/jpeg',
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data: opt.image
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}
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})
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}
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history.push(_.cloneDeep(thisMessage))
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let url = `${this.baseUrl}/v1beta/models/${this.model}:generateContent`
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let body = {
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// 不去兼容官方的简单格式了，直接用，免得function还要转换
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/**
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* @type Array<Content>
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*/
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contents: history,
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safetySettings: [
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{
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category: HarmCategory.HARM_CATEGORY_DANGEROUS_CONTENT,
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threshold: HarmBlockThreshold.OFF
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},
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{
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category: HarmCategory.HARM_CATEGORY_HARASSMENT,
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threshold: HarmBlockThreshold.OFF
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},
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{
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category: HarmCategory.HARM_CATEGORY_SEXUALLY_EXPLICIT,
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threshold: HarmBlockThreshold.OFF
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},
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{
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category: HarmCategory.HARM_CATEGORY_HATE_SPEECH,
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threshold: HarmBlockThreshold.OFF
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},
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{
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category: HarmCategory.HARM_CATEGORY_CIVIC_INTEGRITY,
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threshold: HarmBlockThreshold.BLOCK_NONE
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}
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],
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generationConfig: {
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maxOutputTokens: opt.maxOutputTokens || 1000,
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temperature: opt.temperature || 0.9,
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topP: opt.topP || 0.95,
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topK: opt.tokK || 16
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},
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tools: []
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}
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if (systemMessage) {
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body.system_instruction = {
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parts: {
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text: systemMessage
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}
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}
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}
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if (this.tools?.length > 0) {
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body.tools.push({
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function_declarations: this.tools.map(tool => tool.function())
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// codeExecution: {}
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})
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// ANY要笑死人的效果
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let mode = opt.toolMode || 'AUTO'
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let lastFuncName = opt.functionResponse?.name
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const mustSendNextTurn = [
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'searchImage', 'searchMusic', 'searchVideo'
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]
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if (lastFuncName && mustSendNextTurn.includes(lastFuncName)) {
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mode = 'ANY'
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}
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body.tool_config = {
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function_calling_config: {
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mode
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}
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}
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}
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if (opt.search) {
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body.tools.push({ google_search: {} })
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}
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if (opt.codeExecution) {
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body.tools.push({ code_execution: {} })
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}
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if (opt.image) {
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delete body.tools
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}
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body.contents.forEach(content => {
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delete content.id
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delete content.parentMessageId
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delete content.conversationId
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})
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// logger.info(JSON.stringify(body))
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let result = await newFetch(url, {
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method: 'POST',
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body: JSON.stringify(body),
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headers: {
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'x-goog-api-key': this._key
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}
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})
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if (result.status !== 200) {
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throw new Error(await result.text())
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}
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/**
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* @type {Content | undefined}
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*/
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let responseContent
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/**
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* @type {{candidates: Array<{content: Content, groundingMetadata: GroundingMetadata}>}}
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*/
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let response = await result.json()
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if (this.debug) {
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console.log(JSON.stringify(response))
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}
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responseContent = response.candidates[0].content
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let groundingMetadata = response.candidates[0].groundingMetadata
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if (responseContent.parts.find(i => i.functionCall)) {
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// functionCall
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const functionCall = responseContent.parts.find(i => i.functionCall).functionCall
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const text = responseContent.parts.find(i => i.text)?.text
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if (text) {
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// send reply first
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logger.info('send message: ' + text)
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opt.replyPureTextCallback && await opt.replyPureTextCallback(text)
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}
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// Gemini有时候只回复一个空的functionCall,无语死了
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if (functionCall.name) {
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logger.info(JSON.stringify(functionCall))
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const funcName = functionCall.name
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let chosenTool = this.tools.find(t => t.name === funcName)
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/**
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* @type {FunctionResponse}
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*/
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let functionResponse = {
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name: funcName,
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response: {
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name: funcName,
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content: null
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}
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}
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if (!chosenTool) {
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// 根本没有这个工具！
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functionResponse.response.content = {
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error: `Function ${funcName} doesn't exist`
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}
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} else {
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// execute function
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try {
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let isAdmin = ['admin', 'owner'].includes(this.e.sender.role) || (this.e.group?.is_admin && this.e.isMaster)
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let isOwner = ['owner'].includes(this.e.sender.role) || (this.e.group?.is_owner && this.e.isMaster)
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let args = Object.assign(functionCall.args, {
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isAdmin,
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isOwner,
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sender: this.e.sender,
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mode: 'gemini'
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})
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functionResponse.response.content = await chosenTool.func(args, this.e)
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if (this.debug) {
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logger.info(JSON.stringify(functionResponse.response.content))
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}
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} catch (err) {
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logger.error(err)
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functionResponse.response.content = {
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error: `Function execute error: ${err.message}`
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}
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}
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}
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let responseOpt = _.cloneDeep(opt)
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responseOpt.parentMessageId = idModel
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responseOpt.functionResponse = functionResponse
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// 递归直到返回text
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// 先把这轮的消息存下来
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await this.upsertMessage(thisMessage)
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responseContent = handleSearchResponse(responseContent).responseContent
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const respMessage = Object.assign(responseContent, {
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id: idModel,
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parentMessageId: idThis
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})
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await this.upsertMessage(respMessage)
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return await this.sendMessage('', responseOpt)
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} else {
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// 谷歌抽风了，瞎调函数，不保存这轮，直接返回
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return {
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text: '',
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conversationId: '',
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parentMessageId: opt.parentMessageId,
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id: '',
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error: true
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}
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}
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}
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if (responseContent) {
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await this.upsertMessage(thisMessage)
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const respMessage = Object.assign(responseContent, {
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id: idModel,
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parentMessageId: idThis
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})
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await this.upsertMessage(respMessage)
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}
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let { final } = handleSearchResponse(responseContent)
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try {
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if (groundingMetadata?.groundingChunks) {
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final += '\n参考资料\n'
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groundingMetadata.groundingChunks.forEach(chunk => {
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// final += `[${chunk.web.title}](${chunk.web.uri})\n`
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final += `[${chunk.web.title}]\n`
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})
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groundingMetadata.webSearchQueries.forEach(q => {
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logger.info('search query: ' + q)
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})
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}
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} catch (err) {
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logger.warn(err)
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}
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return {
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text: final,
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conversationId: '',
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parentMessageId: idThis,
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id: idModel
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}
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}
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}
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/**
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* 处理成单独的text
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* @param {Content} responseContent
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* @returns {{final: string, responseContent}}
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*/
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function handleSearchResponse (responseContent) {
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let final = ''
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// 遍历每个 part 并处理
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responseContent.parts = responseContent.parts.map((part) => {
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let newText = ''
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if (part.text) {
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newText += part.text
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final += part.text // 累积到 final
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}
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if (part.executableCode) {
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const codeBlock = '\n执行代码：\n' + '```' + part.executableCode.language + '\n' + part.executableCode.code.trim() + '\n```\n\n'
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newText += codeBlock
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final += codeBlock // 累积到 final
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}
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if (part.codeExecutionResult) {
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const resultBlock = `\n执行结果(${part.codeExecutionResult.outcome})：\n` + '```\n' + part.codeExecutionResult.output + '\n```\n\n'
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newText += resultBlock
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final += resultBlock // 累积到 final
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}
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// 返回更新后的 part，但不设置空的 text
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const updatedPart = { ...part }
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if (newText) {
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updatedPart.text = newText // 仅在 newText 非空时设置 text
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} else {
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delete updatedPart.text // 如果 newText 是空的，则删除 text 字段
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}
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return updatedPart
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})
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return {
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final,
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responseContent
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}
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}
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