mirror of
https://github.com/Wei-Shaw/claude-relay-service.git
synced 2026-01-23 08:55:23 +00:00
feat: 增加Claude会话强制绑定
This commit is contained in:
shaw
437
src/services/claudeRelayConfigService.js
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437
src/services/claudeRelayConfigService.js
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@@ -0,0 +1,437 @@
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/**
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* Claude 转发配置服务
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* 管理全局 Claude Code 限制和会话绑定配置
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*/
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const redis = require('../models/redis')
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const logger = require('../utils/logger')
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const CONFIG_KEY = 'claude_relay_config'
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const SESSION_BINDING_PREFIX = 'original_session_binding:'
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// 默认配置
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const DEFAULT_CONFIG = {
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claudeCodeOnlyEnabled: false,
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globalSessionBindingEnabled: false,
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sessionBindingErrorMessage: '你的本地session已污染，请清理后使用。',
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sessionBindingTtlDays: 30, // 会话绑定 TTL（天），默认30天
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updatedAt: null,
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updatedBy: null
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}
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// 内存缓存（避免频繁 Redis 查询）
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let configCache = null
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let configCacheTime = 0
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const CONFIG_CACHE_TTL = 60000 // 1分钟缓存
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class ClaudeRelayConfigService {
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/**
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* 从 metadata.user_id 中提取原始 sessionId
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* 格式: user_{64位十六进制}_account__session_{uuid}
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* @param {Object} requestBody - 请求体
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* @returns {string|null} 原始 sessionId 或 null
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*/
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extractOriginalSessionId(requestBody) {
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if (!requestBody?.metadata?.user_id) {
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return null
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}
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const userId = requestBody.metadata.user_id
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const match = userId.match(/session_([a-f0-9-]{36})$/i)
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return match ? match[1] : null
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}
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/**
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* 获取配置（带缓存）
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* @returns {Promise<Object>} 配置对象
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*/
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async getConfig() {
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try {
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// 检查缓存
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if (configCache && Date.now() - configCacheTime < CONFIG_CACHE_TTL) {
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return configCache
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}
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const client = redis.getClient()
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if (!client) {
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logger.warn('⚠️ Redis not connected, using default config')
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return { ...DEFAULT_CONFIG }
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}
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const data = await client.get(CONFIG_KEY)
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if (data) {
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configCache = { ...DEFAULT_CONFIG, ...JSON.parse(data) }
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} else {
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configCache = { ...DEFAULT_CONFIG }
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}
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configCacheTime = Date.now()
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return configCache
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} catch (error) {
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logger.error('❌ Failed to get Claude relay config:', error)
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return { ...DEFAULT_CONFIG }
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}
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}
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/**
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* 更新配置
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* @param {Object} newConfig - 新配置
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* @param {string} updatedBy - 更新者
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* @returns {Promise<Object>} 更新后的配置
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*/
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async updateConfig(newConfig, updatedBy) {
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try {
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const client = redis.getClientSafe()
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const currentConfig = await this.getConfig()
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const updatedConfig = {
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...currentConfig,
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...newConfig,
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updatedAt: new Date().toISOString(),
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updatedBy
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}
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await client.set(CONFIG_KEY, JSON.stringify(updatedConfig))
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// 更新缓存
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configCache = updatedConfig
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configCacheTime = Date.now()
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logger.info(`✅ Claude relay config updated by ${updatedBy}:`, {
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claudeCodeOnlyEnabled: updatedConfig.claudeCodeOnlyEnabled,
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globalSessionBindingEnabled: updatedConfig.globalSessionBindingEnabled
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})
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return updatedConfig
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} catch (error) {
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logger.error('❌ Failed to update Claude relay config:', error)
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throw error
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}
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}
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/**
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* 检查是否启用全局 Claude Code 限制
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* @returns {Promise<boolean>}
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*/
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async isClaudeCodeOnlyEnabled() {
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const cfg = await this.getConfig()
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return cfg.claudeCodeOnlyEnabled === true
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}
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/**
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* 检查是否启用全局会话绑定
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* @returns {Promise<boolean>}
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*/
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async isGlobalSessionBindingEnabled() {
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const cfg = await this.getConfig()
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return cfg.globalSessionBindingEnabled === true
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}
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/**
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* 获取会话绑定错误信息
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* @returns {Promise<string>}
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*/
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async getSessionBindingErrorMessage() {
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const cfg = await this.getConfig()
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return cfg.sessionBindingErrorMessage || DEFAULT_CONFIG.sessionBindingErrorMessage
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}
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/**
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* 获取原始会话绑定
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* @param {string} originalSessionId - 原始会话ID
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* @returns {Promise<Object|null>} 绑定信息或 null
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*/
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async getOriginalSessionBinding(originalSessionId) {
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if (!originalSessionId) {
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return null
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}
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try {
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const client = redis.getClient()
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if (!client) {
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return null
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}
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const key = `${SESSION_BINDING_PREFIX}${originalSessionId}`
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const data = await client.get(key)
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if (data) {
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return JSON.parse(data)
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}
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return null
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} catch (error) {
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logger.error(`❌ Failed to get session binding for ${originalSessionId}:`, error)
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return null
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}
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}
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/**
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* 设置原始会话绑定
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* @param {string} originalSessionId - 原始会话ID
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* @param {string} accountId - 账户ID
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* @param {string} accountType - 账户类型
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* @returns {Promise<Object>} 绑定信息
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*/
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async setOriginalSessionBinding(originalSessionId, accountId, accountType) {
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if (!originalSessionId || !accountId || !accountType) {
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throw new Error('Invalid parameters for session binding')
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}
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try {
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const client = redis.getClientSafe()
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const key = `${SESSION_BINDING_PREFIX}${originalSessionId}`
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const binding = {
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accountId,
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accountType,
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createdAt: new Date().toISOString(),
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lastUsedAt: new Date().toISOString()
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}
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// 使用配置的 TTL（默认30天）
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const cfg = await this.getConfig()
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const ttlDays = cfg.sessionBindingTtlDays || DEFAULT_CONFIG.sessionBindingTtlDays
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const ttlSeconds = Math.floor(ttlDays * 24 * 3600)
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await client.set(key, JSON.stringify(binding), 'EX', ttlSeconds)
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logger.info(
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`🔗 Session binding created: ${originalSessionId} -> ${accountId} (${accountType})`
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)
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return binding
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} catch (error) {
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logger.error(`❌ Failed to set session binding for ${originalSessionId}:`, error)
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throw error
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}
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}
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/**
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* 更新会话绑定的最后使用时间（续期）
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* @param {string} originalSessionId - 原始会话ID
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*/
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async touchOriginalSessionBinding(originalSessionId) {
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if (!originalSessionId) {
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return
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}
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try {
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const binding = await this.getOriginalSessionBinding(originalSessionId)
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if (!binding) {
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return
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}
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binding.lastUsedAt = new Date().toISOString()
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const client = redis.getClientSafe()
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const key = `${SESSION_BINDING_PREFIX}${originalSessionId}`
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// 使用配置的 TTL（默认30天）
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const cfg = await this.getConfig()
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const ttlDays = cfg.sessionBindingTtlDays || DEFAULT_CONFIG.sessionBindingTtlDays
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const ttlSeconds = Math.floor(ttlDays * 24 * 3600)
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await client.set(key, JSON.stringify(binding), 'EX', ttlSeconds)
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} catch (error) {
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logger.warn(`⚠️ Failed to touch session binding for ${originalSessionId}:`, error)
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}
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}
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/**
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* 检查原始会话是否已绑定
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* @param {string} originalSessionId - 原始会话ID
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* @returns {Promise<boolean>}
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*/
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async isOriginalSessionBound(originalSessionId) {
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const binding = await this.getOriginalSessionBinding(originalSessionId)
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return binding !== null
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}
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/**
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* 验证绑定的账户是否可用
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* @param {Object} binding - 绑定信息
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* @returns {Promise<boolean>}
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*/
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async validateBoundAccount(binding) {
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if (!binding || !binding.accountId || !binding.accountType) {
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return false
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}
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try {
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const { accountType } = binding
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const { accountId } = binding
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let accountService
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switch (accountType) {
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case 'claude-official':
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accountService = require('./claudeAccountService')
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break
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case 'claude-console':
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accountService = require('./claudeConsoleAccountService')
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break
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case 'bedrock':
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accountService = require('./bedrockAccountService')
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break
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case 'ccr':
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accountService = require('./ccrAccountService')
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break
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default:
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logger.warn(`Unknown account type for validation: ${accountType}`)
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return false
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}
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const account = await accountService.getAccount(accountId)
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if (!account || !account.success || !account.data) {
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logger.warn(`Session binding account not found: ${accountId} (${accountType})`)
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return false
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}
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const accountData = account.data
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// 检查账户是否激活
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if (accountData.isActive === false || accountData.isActive === 'false') {
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logger.warn(
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`Session binding account not active: ${accountId} (${accountType}), isActive: ${accountData.isActive}`
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)
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return false
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}
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// 检查账户状态（如果存在）
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if (accountData.status && accountData.status === 'error') {
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logger.warn(
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`Session binding account has error status: ${accountId} (${accountType}), status: ${accountData.status}`
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)
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return false
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}
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return true
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} catch (error) {
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logger.error(`❌ Failed to validate bound account ${binding.accountId}:`, error)
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return false
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}
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}
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/**
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* 验证新会话请求
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* @param {Object} requestBody - 请求体
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* @param {string} originalSessionId - 原始会话ID
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* @returns {Promise<Object>} { valid: boolean, error?: string, binding?: object, isNewSession?: boolean }
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*/
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async validateNewSession(requestBody, originalSessionId) {
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const cfg = await this.getConfig()
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if (!cfg.globalSessionBindingEnabled) {
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return { valid: true }
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}
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// 如果没有 sessionId，跳过验证（可能是非 Claude Code 客户端）
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if (!originalSessionId) {
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return { valid: true }
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}
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const existingBinding = await this.getOriginalSessionBinding(originalSessionId)
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// 如果会话已存在绑定
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if (existingBinding) {
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// ⚠️ 只有 claude-official 类型账户受全局会话绑定限制
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// 其他类型（bedrock, ccr, claude-console等）忽略绑定，走正常调度
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if (existingBinding.accountType !== 'claude-official') {
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logger.info(
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`🔗 Session binding ignored for non-official account type: ${existingBinding.accountType}`
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)
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return { valid: true }
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}
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const accountValid = await this.validateBoundAccount(existingBinding)
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if (!accountValid) {
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return {
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valid: false,
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error: cfg.sessionBindingErrorMessage,
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code: 'SESSION_BINDING_INVALID'
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}
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}
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// 续期
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await this.touchOriginalSessionBinding(originalSessionId)
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// 已有绑定，允许继续（这是正常的会话延续）
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return { valid: true, binding: existingBinding }
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}
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// 没有绑定，是新会话
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// 注意：messages.length 检查在此处无法执行，因为我们不知道最终会调度到哪种账户类型
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// 绑定会在调度后创建，仅针对 claude-official 账户
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return { valid: true, isNewSession: true }
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}
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/**
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* 删除原始会话绑定
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* @param {string} originalSessionId - 原始会话ID
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*/
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async deleteOriginalSessionBinding(originalSessionId) {
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if (!originalSessionId) {
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return
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}
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try {
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const client = redis.getClient()
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if (!client) {
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return
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}
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const key = `${SESSION_BINDING_PREFIX}${originalSessionId}`
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await client.del(key)
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logger.info(`🗑️ Session binding deleted: ${originalSessionId}`)
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} catch (error) {
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logger.error(`❌ Failed to delete session binding for ${originalSessionId}:`, error)
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}
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}
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/**
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* 获取会话绑定统计
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* @returns {Promise<Object>}
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*/
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async getSessionBindingStats() {
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try {
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const client = redis.getClient()
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if (!client) {
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return { totalBindings: 0 }
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}
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let cursor = '0'
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let count = 0
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do {
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const [newCursor, keys] = await client.scan(
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cursor,
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'MATCH',
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`${SESSION_BINDING_PREFIX}*`,
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'COUNT',
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100
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)
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cursor = newCursor
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count += keys.length
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} while (cursor !== '0')
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return {
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totalBindings: count
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}
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} catch (error) {
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logger.error('❌ Failed to get session binding stats:', error)
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return { totalBindings: 0 }
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}
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}
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/**
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* 清除配置缓存（用于测试或强制刷新）
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*/
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clearCache() {
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configCache = null
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configCacheTime = 0
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}
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}
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module.exports = new ClaudeRelayConfigService()
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