fec0b19bd4
添加 provider-models.js 集中管理各提供商支持的模型列表 修改 provider-pool-manager.js 支持根据请求模型过滤提供商 更新服务管理器和请求处理逻辑以支持模型感知的提供商选择 添加前端UI支持配置不支持的模型列表 更新示例配置文件展示新功能
554 lines
25 KiB
JavaScript
554 lines
25 KiB
JavaScript
import { OAuth2Client } from 'google-auth-library';
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import * as http from 'http';
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import { promises as fs } from 'fs';
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import * as path from 'path';
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import * as os from 'os';
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import * as readline from 'readline';
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import { API_ACTIONS, formatExpiryTime } from '../common.js';
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import { getProviderModels } from '../provider-models.js';
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// --- Constants ---
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const AUTH_REDIRECT_PORT = 8085;
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const CREDENTIALS_DIR = '.gemini';
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const CREDENTIALS_FILE = 'oauth_creds.json';
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const CODE_ASSIST_ENDPOINT = 'https://cloudcode-pa.googleapis.com';
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const CODE_ASSIST_API_VERSION = 'v1internal';
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const OAUTH_CLIENT_ID = '681255809395-oo8ft2oprdrnp9e3aqf6av3hmdib135j.apps.googleusercontent.com';
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const OAUTH_CLIENT_SECRET = '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';
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const GEMINI_MODELS = getProviderModels('gemini-cli-oauth');
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const ANTI_TRUNCATION_MODELS = GEMINI_MODELS.map(model => `anti-${model}`);
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function is_anti_truncation_model(model) {
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return ANTI_TRUNCATION_MODELS.some(antiModel => model.includes(antiModel));
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}
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// 从防截断模型名中提取实际模型名
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function extract_model_from_anti_model(model) {
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if (model.startsWith('anti-')) {
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const originalModel = model.substring(5); // 移除 'anti-' 前缀
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if (GEMINI_MODELS.includes(originalModel)) {
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return originalModel;
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}
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}
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return model; // 如果不是anti-前缀或不在原模型列表中，则返回原模型名
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}
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function toGeminiApiResponse(codeAssistResponse) {
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if (!codeAssistResponse) return null;
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const compliantResponse = { candidates: codeAssistResponse.candidates };
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if (codeAssistResponse.usageMetadata) compliantResponse.usageMetadata = codeAssistResponse.usageMetadata;
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if (codeAssistResponse.promptFeedback) compliantResponse.promptFeedback = codeAssistResponse.promptFeedback;
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if (codeAssistResponse.automaticFunctionCallingHistory) compliantResponse.automaticFunctionCallingHistory = codeAssistResponse.automaticFunctionCallingHistory;
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return compliantResponse;
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}
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/**
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* Ensures that all content parts in a request body have a 'role' property.
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* If 'systemInstruction' is present and lacks a role, it defaults to 'user'.
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* If any 'contents' entry lacks a role, it defaults to 'user'.
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* @param {Object} requestBody - The request body object.
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* @returns {Object} The modified request body with roles ensured.
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*/
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function ensureRolesInContents(requestBody) {
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delete requestBody.model;
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// delete requestBody.system_instruction;
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// delete requestBody.systemInstruction;
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if (requestBody.system_instruction) {
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requestBody.systemInstruction = requestBody.system_instruction;
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delete requestBody.system_instruction;
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}
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if (requestBody.systemInstruction && !requestBody.systemInstruction.role) {
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requestBody.systemInstruction.role = 'user';
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}
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if (requestBody.contents && Array.isArray(requestBody.contents)) {
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requestBody.contents.forEach(content => {
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if (!content.role) {
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content.role = 'user';
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}
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});
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// 如果存在 systemInstruction，将其放在 contents 索引 0 的位置
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// if (requestBody.systemInstruction) {
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// // 检查 contents[0] 是否与 systemInstruction 内容相同
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// const firstContent = requestBody.contents[0];
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// let isSame = false;
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// if (firstContent && firstContent.parts && requestBody.systemInstruction.parts) {
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// // 比较 parts 数组的内容
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// const firstContentText = firstContent.parts
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// .filter(p => p?.text)
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// .map(p => p.text)
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// .join('\n');
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// const systemInstructionText = requestBody.systemInstruction.parts
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// .filter(p => p?.text)
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// .map(p => p.text)
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// .join('\n');
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// isSame = firstContentText === systemInstructionText;
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// }
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// // 如果内容不同，则将 systemInstruction 插入到索引 0 的位置
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// if (!isSame) {
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// requestBody.contents.unshift({
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// role: requestBody.systemInstruction.role || 'user',
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// parts: requestBody.systemInstruction.parts
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// });
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// }
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// delete requestBody.systemInstruction;
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// }
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}
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return requestBody;
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}
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async function* apply_anti_truncation_to_stream(service, model, requestBody) {
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let currentRequest = { ...requestBody };
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let allGeneratedText = '';
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while (true) {
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// 发送请求并处理流式响应
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const apiRequest = {
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model: model,
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project: service.projectId,
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request: currentRequest
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};
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const stream = service.streamApi(API_ACTIONS.STREAM_GENERATE_CONTENT, apiRequest);
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let lastChunk = null;
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let hasContent = false;
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for await (const chunk of stream) {
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const response = toGeminiApiResponse(chunk.response);
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if (response && response.candidates && response.candidates[0]) {
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yield response;
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lastChunk = response;
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hasContent = true;
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}
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}
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// 检查是否因为达到token限制而截断
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if (lastChunk &&
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lastChunk.candidates &&
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lastChunk.candidates[0] &&
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lastChunk.candidates[0].finishReason === 'MAX_TOKENS') {
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// 提取已生成的文本内容
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if (lastChunk.candidates[0].content && lastChunk.candidates[0].content.parts) {
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const generatedParts = lastChunk.candidates[0].content.parts
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.filter(part => part.text)
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.map(part => part.text);
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if (generatedParts.length > 0) {
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const currentGeneratedText = generatedParts.join('');
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allGeneratedText += currentGeneratedText;
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// 构建新的请求，包含之前的对话历史和继续指令
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const newContents = [...requestBody.contents];
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// 添加之前生成的内容作为模型响应
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newContents.push({
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role: 'model',
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parts: [{ text: currentGeneratedText }]
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});
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// 添加继续生成的指令
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newContents.push({
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role: 'user',
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parts: [{ text: 'Please continue from where you left off.' }]
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});
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currentRequest = {
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...requestBody,
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contents: newContents
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};
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// 继续下一轮请求
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continue;
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}
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}
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}
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// 如果没有截断或无法继续，则退出循环
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break;
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}
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}
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export class GeminiApiService {
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constructor(config) {
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this.authClient = new OAuth2Client(OAUTH_CLIENT_ID, OAUTH_CLIENT_SECRET);
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this.availableModels = [];
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this.isInitialized = false;
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this.config = config;
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this.host = config.HOST;
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this.oauthCredsBase64 = config.GEMINI_OAUTH_CREDS_BASE64;
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this.oauthCredsFilePath = config.GEMINI_OAUTH_CREDS_FILE_PATH;
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this.projectId = config.PROJECT_ID;
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}
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async initialize() {
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if (this.isInitialized) return;
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console.log('[Gemini] Initializing Gemini API Service...');
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await this.initializeAuth();
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if (!this.projectId) {
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this.projectId = await this.discoverProjectAndModels();
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} else {
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console.log(`[Gemini] Using provided Project ID: ${this.projectId}`);
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this.availableModels = GEMINI_MODELS;
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console.log(`[Gemini] Using fixed models: [${this.availableModels.join(', ')}]`);
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}
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if (this.projectId === 'default') {
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throw new Error("Error: 'default' is not a valid project ID. Please provide a valid Google Cloud Project ID using the --project-id argument.");
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}
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this.isInitialized = true;
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console.log(`[Gemini] Initialization complete. Project ID: ${this.projectId}`);
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}
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async initializeAuth(forceRefresh = false) {
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if (this.authClient.credentials.access_token && !forceRefresh) return;
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if (this.oauthCredsBase64) {
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try {
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const decoded = Buffer.from(this.oauthCredsBase64, 'base64').toString('utf8');
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const credentials = JSON.parse(decoded);
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this.authClient.setCredentials(credentials);
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console.log('[Gemini Auth] Authentication configured successfully from base64 string.');
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return;
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} catch (error) {
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console.error('[Gemini Auth] Failed to parse base64 OAuth credentials:', error);
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throw new Error(`Failed to load OAuth credentials from base64 string.`);
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}
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}
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const credPath = this.oauthCredsFilePath || path.join(os.homedir(), CREDENTIALS_DIR, CREDENTIALS_FILE);
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try {
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const data = await fs.readFile(credPath, "utf8");
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const credentials = JSON.parse(data);
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this.authClient.setCredentials(credentials);
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console.log('[Gemini Auth] Authentication configured successfully from file.');
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if (forceRefresh) {
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console.log('[Gemini Auth] Forcing token refresh...');
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const { credentials: newCredentials } = await this.authClient.refreshAccessToken();
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this.authClient.setCredentials(newCredentials);
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// Save refreshed credentials back to file
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await fs.writeFile(credPath, JSON.stringify(newCredentials, null, 2));
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console.log('[Gemini Auth] Token refreshed and saved successfully.');
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}
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} catch (error) {
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console.error('[Gemini Auth] Error initializing authentication:', error.code);
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if (error.code === 'ENOENT' || error.code === 400) {
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console.log(`[Gemini Auth] Credentials file '${credPath}' not found. Starting new authentication flow...`);
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const newTokens = await this.getNewToken(credPath);
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this.authClient.setCredentials(newTokens);
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console.log('[Gemini Auth] New token obtained and loaded into memory.');
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} else {
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console.error('[Gemini Auth] Failed to initialize authentication from file:', error);
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throw new Error(`Failed to load OAuth credentials.`);
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}
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}
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}
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async getNewToken(credPath) {
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let host = this.host;
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if (!host || host === 'undefined') {
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host = '127.0.0.1';
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}
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const redirectUri = `http://${host}:${AUTH_REDIRECT_PORT}`;
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this.authClient.redirectUri = redirectUri;
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return new Promise((resolve, reject) => {
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const authUrl = this.authClient.generateAuthUrl({ access_type: 'offline', scope: ['https://www.googleapis.com/auth/cloud-platform'] });
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console.log('\n[Gemini Auth] Please open this URL in your browser to authenticate:');
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console.log(authUrl, '\n');
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const server = http.createServer(async (req, res) => {
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try {
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const url = new URL(req.url, redirectUri);
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const code = url.searchParams.get('code');
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const errorParam = url.searchParams.get('error');
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if (code) {
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console.log(`[Gemini Auth] Received successful callback from Google: ${req.url}`);
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res.writeHead(200, { 'Content-Type': 'text/plain' });
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res.end('Authentication successful! You can close this browser tab.');
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server.close();
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const { tokens } = await this.authClient.getToken(code);
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await fs.mkdir(path.dirname(credPath), { recursive: true });
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await fs.writeFile(credPath, JSON.stringify(tokens, null, 2));
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console.log('[Gemini Auth] New token received and saved to file.');
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resolve(tokens);
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} else if (errorParam) {
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const errorMessage = `Authentication failed. Google returned an error: ${errorParam}.`;
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res.writeHead(400, { 'Content-Type': 'text/plain' });
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res.end(errorMessage);
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server.close();
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reject(new Error(errorMessage));
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} else {
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console.log(`[Gemini Auth] Ignoring irrelevant request: ${req.url}`);
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res.writeHead(204);
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res.end();
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}
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} catch (e) {
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if (server.listening) server.close();
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reject(e);
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}
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});
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server.on('error', (err) => {
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if (err.code === 'EADDRINUSE') {
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const errorMessage = `[Gemini Auth] Port ${AUTH_REDIRECT_PORT} on ${this.host} is already in use.`;
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console.error(errorMessage);
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reject(new Error(errorMessage));
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} else {
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reject(err);
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}
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});
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server.listen(AUTH_REDIRECT_PORT, this.host);
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});
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}
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async discoverProjectAndModels() {
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if (this.projectId) {
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console.log(`[Gemini] Using pre-configured Project ID: ${this.projectId}`);
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return this.projectId;
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}
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console.log('[Gemini] Discovering Project ID...');
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this.availableModels = GEMINI_MODELS;
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console.log(`[Gemini] Using fixed models: [${this.availableModels.join(', ')}]`);
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try {
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const initialProjectId = ""
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// Prepare client metadata
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const clientMetadata = {
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ideType: "IDE_UNSPECIFIED",
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platform: "PLATFORM_UNSPECIFIED",
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pluginType: "GEMINI",
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duetProject: initialProjectId,
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}
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// Call loadCodeAssist to discover the actual project ID
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const loadRequest = {
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cloudaicompanionProject: initialProjectId,
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metadata: clientMetadata,
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}
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const loadResponse = await this.callApi('loadCodeAssist', loadRequest);
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// Check if we already have a project ID from the response
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if (loadResponse.cloudaicompanionProject) {
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return loadResponse.cloudaicompanionProject;
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}
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// If no existing project, we need to onboard
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const defaultTier = loadResponse.allowedTiers?.find(tier => tier.isDefault);
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const tierId = defaultTier?.id || 'free-tier';
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const onboardRequest = {
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tierId: tierId,
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cloudaicompanionProject: initialProjectId,
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metadata: clientMetadata,
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};
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let lroResponse = await this.callApi('onboardUser', onboardRequest);
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// Poll until operation is complete with timeout protection
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const MAX_RETRIES = 30; // Maximum number of retries (60 seconds total)
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let retryCount = 0;
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while (!lroResponse.done && retryCount < MAX_RETRIES) {
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await new Promise(resolve => setTimeout(resolve, 2000));
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lroResponse = await this.callApi('onboardUser', onboardRequest);
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retryCount++;
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}
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if (!lroResponse.done) {
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throw new Error('Onboarding timeout: Operation did not complete within expected time.');
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}
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const discoveredProjectId = lroResponse.response?.cloudaicompanionProject?.id || initialProjectId;
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return discoveredProjectId;
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} catch (error) {
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console.error('[Gemini] Failed to discover Project ID:', error.response?.data || error.message);
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throw new Error('Could not discover a valid Google Cloud Project ID.');
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}
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}
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async listModels() {
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if (!this.isInitialized) await this.initialize();
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const formattedModels = this.availableModels.map(modelId => {
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const displayName = modelId.split('-').map(word => word.charAt(0).toUpperCase() + word.slice(1)).join(' ');
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return {
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name: `models/${modelId}`, version: "1.0.0", displayName: displayName,
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description: `A generative model for text and chat generation. ID: ${modelId}`,
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inputTokenLimit: 32768, outputTokenLimit: 8192,
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supportedGenerationMethods: ["generateContent", "streamGenerateContent"],
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};
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});
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return { models: formattedModels };
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}
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async callApi(method, body, isRetry = false, retryCount = 0) {
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const maxRetries = this.config.REQUEST_MAX_RETRIES || 3;
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const baseDelay = this.config.REQUEST_BASE_DELAY || 1000; // 1 second base delay
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try {
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const requestOptions = {
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url: `${CODE_ASSIST_ENDPOINT}/${CODE_ASSIST_API_VERSION}:${method}`,
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method: "POST",
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headers: { "Content-Type": "application/json" },
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responseType: "json",
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body: JSON.stringify(body),
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};
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const res = await this.authClient.request(requestOptions);
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return res.data;
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} catch (error) {
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console.error(`[API] Error calling ${method}:`, error.response?.status, error.message);
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// Handle 401 (Unauthorized) - refresh auth and retry once
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if ((error.response?.status === 400 || error.response?.status === 401) && !isRetry) {
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console.log('[API] Received 401/400. Refreshing auth and retrying...');
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await this.initializeAuth(true);
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return this.callApi(method, body, true, retryCount);
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}
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// Handle 429 (Too Many Requests) with exponential backoff
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if (error.response?.status === 429 && retryCount < maxRetries) {
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const delay = baseDelay * Math.pow(2, retryCount);
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console.log(`[API] Received 429 (Too Many Requests). Retrying in ${delay}ms... (attempt ${retryCount + 1}/${maxRetries})`);
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await new Promise(resolve => setTimeout(resolve, delay));
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return this.callApi(method, body, isRetry, retryCount + 1);
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}
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// Handle other retryable errors (5xx server errors)
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if (error.response?.status >= 500 && error.response?.status < 600 && retryCount < maxRetries) {
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const delay = baseDelay * Math.pow(2, retryCount);
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console.log(`[API] Received ${error.response.status} server error. Retrying in ${delay}ms... (attempt ${retryCount + 1}/${maxRetries})`);
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await new Promise(resolve => setTimeout(resolve, delay));
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return this.callApi(method, body, isRetry, retryCount + 1);
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}
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throw error;
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}
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}
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async * streamApi(method, body, isRetry = false, retryCount = 0) {
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const maxRetries = this.config.REQUEST_MAX_RETRIES || 3;
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const baseDelay = this.config.REQUEST_BASE_DELAY || 1000; // 1 second base delay
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try {
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const requestOptions = {
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url: `${CODE_ASSIST_ENDPOINT}/${CODE_ASSIST_API_VERSION}:${method}`,
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method: "POST",
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params: { alt: "sse" },
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headers: { "Content-Type": "application/json" },
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responseType: "stream",
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body: JSON.stringify(body),
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};
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const res = await this.authClient.request(requestOptions);
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if (res.status !== 200) {
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let errorBody = '';
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for await (const chunk of res.data) errorBody += chunk.toString();
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throw new Error(`Upstream API Error (Status ${res.status}): ${errorBody}`);
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}
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yield* this.parseSSEStream(res.data);
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} catch (error) {
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console.error(`[API] Error during stream ${method}:`, error.response?.status, error.message);
|
||
|
||
// Handle 401 (Unauthorized) - refresh auth and retry once
|
||
if ((error.response?.status === 400 || error.response?.status === 401) && !isRetry) {
|
||
console.log('[API] Received 401/400 during stream. Refreshing auth and retrying...');
|
||
await this.initializeAuth(true);
|
||
yield* this.streamApi(method, body, true, retryCount);
|
||
return;
|
||
}
|
||
|
||
// Handle 429 (Too Many Requests) with exponential backoff
|
||
if (error.response?.status === 429 && retryCount < maxRetries) {
|
||
const delay = baseDelay * Math.pow(2, retryCount);
|
||
console.log(`[API] Received 429 (Too Many Requests) during stream. Retrying in ${delay}ms... (attempt ${retryCount + 1}/${maxRetries})`);
|
||
await new Promise(resolve => setTimeout(resolve, delay));
|
||
yield* this.streamApi(method, body, isRetry, retryCount + 1);
|
||
return;
|
||
}
|
||
|
||
// Handle other retryable errors (5xx server errors)
|
||
if (error.response?.status >= 500 && error.response?.status < 600 && retryCount < maxRetries) {
|
||
const delay = baseDelay * Math.pow(2, retryCount);
|
||
console.log(`[API] Received ${error.response.status} server error during stream. Retrying in ${delay}ms... (attempt ${retryCount + 1}/${maxRetries})`);
|
||
await new Promise(resolve => setTimeout(resolve, delay));
|
||
yield* this.streamApi(method, body, isRetry, retryCount + 1);
|
||
return;
|
||
}
|
||
|
||
throw error;
|
||
}
|
||
}
|
||
|
||
async * parseSSEStream(stream) {
|
||
const rl = readline.createInterface({ input: stream, crlfDelay: Infinity });
|
||
let buffer = [];
|
||
for await (const line of rl) {
|
||
if (line.startsWith("data: ")) buffer.push(line.slice(6));
|
||
else if (line === "" && buffer.length > 0) {
|
||
try { yield JSON.parse(buffer.join('\n')); } catch (e) { console.error("[Stream] Failed to parse JSON chunk:", buffer.join('\n')); }
|
||
buffer = [];
|
||
}
|
||
}
|
||
if (buffer.length > 0) {
|
||
try { yield JSON.parse(buffer.join('\n')); } catch (e) { console.error("[Stream] Failed to parse final JSON chunk:", buffer.join('\n')); }
|
||
}
|
||
}
|
||
|
||
async generateContent(model, requestBody) {
|
||
console.log(`[Auth Token] Time until expiry: ${formatExpiryTime(this.authClient.credentials.expiry_date)}`);
|
||
let selectedModel = model;
|
||
if (!GEMINI_MODELS.includes(model)) {
|
||
console.warn(`[Gemini] Model '${model}' not found. Using default model: '${GEMINI_MODELS[0]}'`);
|
||
selectedModel = GEMINI_MODELS[0];
|
||
}
|
||
const processedRequestBody = ensureRolesInContents(requestBody);
|
||
const apiRequest = { model: selectedModel, project: this.projectId, request: processedRequestBody };
|
||
const response = await this.callApi(API_ACTIONS.GENERATE_CONTENT, apiRequest);
|
||
return toGeminiApiResponse(response.response);
|
||
}
|
||
|
||
async * generateContentStream(model, requestBody) {
|
||
console.log(`[Auth Token] Time until expiry: ${formatExpiryTime(this.authClient.credentials.expiry_date)}`);
|
||
|
||
// 检查是否为防截断模型
|
||
if (is_anti_truncation_model(model)) {
|
||
// 从防截断模型名中提取实际模型名
|
||
const actualModel = extract_model_from_anti_model(model);
|
||
// 使用防截断流处理
|
||
const processedRequestBody = ensureRolesInContents(requestBody);
|
||
yield* apply_anti_truncation_to_stream(this, actualModel, processedRequestBody);
|
||
} else {
|
||
// 正常流处理
|
||
let selectedModel = model;
|
||
if (!GEMINI_MODELS.includes(model)) {
|
||
console.warn(`[Gemini] Model '${model}' not found. Using default model: '${GEMINI_MODELS[0]}'`);
|
||
selectedModel = GEMINI_MODELS[0];
|
||
}
|
||
const processedRequestBody = ensureRolesInContents(requestBody);
|
||
const apiRequest = { model: selectedModel, project: this.projectId, request: processedRequestBody };
|
||
const stream = this.streamApi(API_ACTIONS.STREAM_GENERATE_CONTENT, apiRequest);
|
||
for await (const chunk of stream) {
|
||
yield toGeminiApiResponse(chunk.response);
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Checks if the given expiry date is within the next 10 minutes from now.
|
||
* @returns {boolean} True if the expiry date is within the next 10 minutes, false otherwise.
|
||
*/
|
||
isExpiryDateNear() {
|
||
try {
|
||
const currentTime = Date.now();
|
||
const cronNearMinutesInMillis = (this.config.CRON_NEAR_MINUTES || 10) * 60 * 1000;
|
||
console.log(`[Gemini] Expiry date: ${this.authClient.credentials.expiry_date}, Current time: ${currentTime}, ${this.config.CRON_NEAR_MINUTES || 10} minutes from now: ${currentTime + cronNearMinutesInMillis}`);
|
||
return this.authClient.credentials.expiry_date <= (currentTime + cronNearMinutesInMillis);
|
||
} catch (error) {
|
||
console.error(`[Gemini] Error checking expiry date: ${error.message}`);
|
||
return false;
|
||
}
|
||
}
|
||
}
|