mirror of
https://github.com/Wei-Shaw/claude-relay-service.git
synced 2026-01-23 00:53:33 +00:00
1367 lines
48 KiB
JavaScript
1367 lines
48 KiB
JavaScript
const express = require('express')
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const claudeRelayService = require('../services/claudeRelayService')
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const claudeConsoleRelayService = require('../services/claudeConsoleRelayService')
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const bedrockRelayService = require('../services/bedrockRelayService')
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const ccrRelayService = require('../services/ccrRelayService')
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const bedrockAccountService = require('../services/bedrockAccountService')
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const unifiedClaudeScheduler = require('../services/unifiedClaudeScheduler')
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const apiKeyService = require('../services/apiKeyService')
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const { authenticateApiKey } = require('../middleware/auth')
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const logger = require('../utils/logger')
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const { getEffectiveModel, parseVendorPrefixedModel } = require('../utils/modelHelper')
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const sessionHelper = require('../utils/sessionHelper')
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const { updateRateLimitCounters } = require('../utils/rateLimitHelper')
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const claudeRelayConfigService = require('../services/claudeRelayConfigService')
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const { sanitizeUpstreamError } = require('../utils/errorSanitizer')
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const router = express.Router()
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function queueRateLimitUpdate(rateLimitInfo, usageSummary, model, context = '') {
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if (!rateLimitInfo) {
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return Promise.resolve({ totalTokens: 0, totalCost: 0 })
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}
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const label = context ? ` (${context})` : ''
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return updateRateLimitCounters(rateLimitInfo, usageSummary, model)
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.then(({ totalTokens, totalCost }) => {
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if (totalTokens > 0) {
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logger.api(`📊 Updated rate limit token count${label}: +${totalTokens} tokens`)
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}
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if (typeof totalCost === 'number' && totalCost > 0) {
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logger.api(`💰 Updated rate limit cost count${label}: +$${totalCost.toFixed(6)}`)
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}
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return { totalTokens, totalCost }
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})
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.catch((error) => {
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logger.error(`❌ Failed to update rate limit counters${label}:`, error)
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return { totalTokens: 0, totalCost: 0 }
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})
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}
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// 🔧 共享的消息处理函数
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async function handleMessagesRequest(req, res) {
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try {
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const startTime = Date.now()
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// Claude 服务权限校验，阻止未授权的 Key
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if (
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req.apiKey.permissions &&
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req.apiKey.permissions !== 'all' &&
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req.apiKey.permissions !== 'claude'
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) {
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return res.status(403).json({
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error: {
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type: 'permission_error',
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message: '此 API Key 无权访问 Claude 服务'
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}
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})
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}
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// 🔄 并发满额重试标志：最多重试一次（使用req对象存储状态）
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if (req._concurrencyRetryAttempted === undefined) {
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req._concurrencyRetryAttempted = false
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}
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// 严格的输入验证
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if (!req.body || typeof req.body !== 'object') {
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return res.status(400).json({
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error: 'Invalid request',
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message: 'Request body must be a valid JSON object'
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})
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}
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if (!req.body.messages || !Array.isArray(req.body.messages)) {
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return res.status(400).json({
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error: 'Invalid request',
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message: 'Missing or invalid field: messages (must be an array)'
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})
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}
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if (req.body.messages.length === 0) {
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return res.status(400).json({
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error: 'Invalid request',
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message: 'Messages array cannot be empty'
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})
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}
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// 模型限制（黑名单）校验：统一在此处处理（去除供应商前缀）
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if (
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req.apiKey.enableModelRestriction &&
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Array.isArray(req.apiKey.restrictedModels) &&
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req.apiKey.restrictedModels.length > 0
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) {
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const effectiveModel = getEffectiveModel(req.body.model || '')
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if (req.apiKey.restrictedModels.includes(effectiveModel)) {
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return res.status(403).json({
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error: {
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type: 'forbidden',
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message: '暂无该模型访问权限'
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}
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})
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}
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}
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// 检查是否为流式请求
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const isStream = req.body.stream === true
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// 临时修复新版本客户端，删除context_management字段，避免报错
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// if (req.body.context_management) {
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// delete req.body.context_management
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// }
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// 遍历tools数组，删除input_examples字段
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// if (req.body.tools && Array.isArray(req.body.tools)) {
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// req.body.tools.forEach((tool) => {
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// if (tool && typeof tool === 'object' && tool.input_examples) {
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// delete tool.input_examples
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// }
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// })
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// }
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logger.api(
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`🚀 Processing ${isStream ? 'stream' : 'non-stream'} request for key: ${req.apiKey.name}`
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)
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if (isStream) {
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// 流式响应 - 只使用官方真实usage数据
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res.setHeader('Content-Type', 'text/event-stream')
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res.setHeader('Cache-Control', 'no-cache')
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res.setHeader('Connection', 'keep-alive')
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res.setHeader('Access-Control-Allow-Origin', '*')
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res.setHeader('X-Accel-Buffering', 'no') // 禁用 Nginx 缓冲
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// 禁用 Nagle 算法，确保数据立即发送
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if (res.socket && typeof res.socket.setNoDelay === 'function') {
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res.socket.setNoDelay(true)
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}
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// 流式响应不需要额外处理，中间件已经设置了监听器
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let usageDataCaptured = false
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// 生成会话哈希用于sticky会话
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const sessionHash = sessionHelper.generateSessionHash(req.body)
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// 🔒 全局会话绑定验证
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let forcedAccount = null
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let needSessionBinding = false
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let originalSessionIdForBinding = null
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try {
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const globalBindingEnabled = await claudeRelayConfigService.isGlobalSessionBindingEnabled()
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if (globalBindingEnabled) {
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const originalSessionId = claudeRelayConfigService.extractOriginalSessionId(req.body)
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if (originalSessionId) {
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const validation = await claudeRelayConfigService.validateNewSession(
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req.body,
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originalSessionId
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)
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if (!validation.valid) {
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logger.api(
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`❌ Session binding validation failed: ${validation.code} for session ${originalSessionId}`
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)
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return res.status(403).json({
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error: {
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type: 'session_binding_error',
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message: validation.error
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}
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})
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}
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// 如果已有绑定，使用绑定的账户
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if (validation.binding) {
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forcedAccount = validation.binding
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logger.api(
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`🔗 Using bound account for session ${originalSessionId}: ${forcedAccount.accountId}`
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)
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}
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// 标记需要在调度成功后建立绑定
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if (validation.isNewSession) {
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needSessionBinding = true
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originalSessionIdForBinding = originalSessionId
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logger.api(`📝 New session detected, will create binding: ${originalSessionId}`)
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}
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}
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}
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} catch (error) {
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logger.error('❌ Error in global session binding check:', error)
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// 配置服务出错时不阻断请求
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}
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// 使用统一调度选择账号（传递请求的模型）
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const requestedModel = req.body.model
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let accountId
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let accountType
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try {
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const selection = await unifiedClaudeScheduler.selectAccountForApiKey(
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req.apiKey,
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sessionHash,
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requestedModel,
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forcedAccount
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)
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;({ accountId, accountType } = selection)
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} catch (error) {
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// 处理会话绑定账户不可用的错误
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if (error.code === 'SESSION_BINDING_ACCOUNT_UNAVAILABLE') {
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const errorMessage = await claudeRelayConfigService.getSessionBindingErrorMessage()
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return res.status(403).json({
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error: {
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type: 'session_binding_error',
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message: errorMessage
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}
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})
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}
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if (error.code === 'CLAUDE_DEDICATED_RATE_LIMITED') {
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const limitMessage = claudeRelayService._buildStandardRateLimitMessage(
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error.rateLimitEndAt
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)
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res.status(403)
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res.setHeader('Content-Type', 'application/json')
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res.end(
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JSON.stringify({
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error: 'upstream_rate_limited',
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message: limitMessage
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})
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)
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return
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}
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throw error
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}
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// 🔗 在成功调度后建立会话绑定（仅 claude-official 类型）
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// claude-official 只接受：1) 新会话(messages.length=1) 2) 已绑定的会话
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if (
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needSessionBinding &&
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originalSessionIdForBinding &&
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accountId &&
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accountType === 'claude-official'
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) {
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// 🚫 新会话必须 messages.length === 1
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const messages = req.body?.messages
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if (messages && messages.length > 1) {
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const cfg = await claudeRelayConfigService.getConfig()
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logger.warn(
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`🚫 New session with messages.length > 1 rejected: sessionId=${originalSessionIdForBinding}, messages.length=${messages.length}`
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)
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return res.status(400).json({
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error: {
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type: 'session_binding_error',
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message: cfg.sessionBindingErrorMessage || '你的本地session已污染，请清理后使用。'
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}
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})
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}
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// 创建绑定
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try {
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await claudeRelayConfigService.setOriginalSessionBinding(
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originalSessionIdForBinding,
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accountId,
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accountType
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)
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} catch (bindingError) {
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logger.warn(`⚠️ Failed to create session binding:`, bindingError)
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}
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}
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// 根据账号类型选择对应的转发服务并调用
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if (accountType === 'claude-official') {
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// 官方Claude账号使用原有的转发服务（会自己选择账号）
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await claudeRelayService.relayStreamRequestWithUsageCapture(
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req.body,
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req.apiKey,
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res,
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req.headers,
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(usageData) => {
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// 回调函数：当检测到完整usage数据时记录真实token使用量
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logger.info(
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'🎯 Usage callback triggered with complete data:',
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JSON.stringify(usageData, null, 2)
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)
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if (
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usageData &&
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usageData.input_tokens !== undefined &&
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usageData.output_tokens !== undefined
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) {
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const inputTokens = usageData.input_tokens || 0
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const outputTokens = usageData.output_tokens || 0
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// 兼容处理：如果有详细的 cache_creation 对象，使用它；否则使用总的 cache_creation_input_tokens
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let cacheCreateTokens = usageData.cache_creation_input_tokens || 0
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let ephemeral5mTokens = 0
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let ephemeral1hTokens = 0
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if (usageData.cache_creation && typeof usageData.cache_creation === 'object') {
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ephemeral5mTokens = usageData.cache_creation.ephemeral_5m_input_tokens || 0
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ephemeral1hTokens = usageData.cache_creation.ephemeral_1h_input_tokens || 0
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// 总的缓存创建 tokens 是两者之和
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cacheCreateTokens = ephemeral5mTokens + ephemeral1hTokens
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}
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const cacheReadTokens = usageData.cache_read_input_tokens || 0
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const model = usageData.model || 'unknown'
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// 记录真实的token使用量（包含模型信息和所有4种token以及账户ID）
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const { accountId: usageAccountId } = usageData
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// 构建 usage 对象以传递给 recordUsage
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const usageObject = {
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input_tokens: inputTokens,
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output_tokens: outputTokens,
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cache_creation_input_tokens: cacheCreateTokens,
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cache_read_input_tokens: cacheReadTokens
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}
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// 如果有详细的缓存创建数据，添加到 usage 对象中
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if (ephemeral5mTokens > 0 || ephemeral1hTokens > 0) {
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usageObject.cache_creation = {
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ephemeral_5m_input_tokens: ephemeral5mTokens,
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ephemeral_1h_input_tokens: ephemeral1hTokens
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}
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}
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apiKeyService
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.recordUsageWithDetails(req.apiKey.id, usageObject, model, usageAccountId, 'claude')
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.catch((error) => {
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logger.error('❌ Failed to record stream usage:', error)
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})
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|
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queueRateLimitUpdate(
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req.rateLimitInfo,
|
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{
|
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inputTokens,
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outputTokens,
|
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cacheCreateTokens,
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cacheReadTokens
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},
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model,
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'claude-stream'
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)
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usageDataCaptured = true
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logger.api(
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`📊 Stream usage recorded (real) - Model: ${model}, Input: ${inputTokens}, Output: ${outputTokens}, Cache Create: ${cacheCreateTokens}, Cache Read: ${cacheReadTokens}, Total: ${inputTokens + outputTokens + cacheCreateTokens + cacheReadTokens} tokens`
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)
|
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} else {
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logger.warn(
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'⚠️ Usage callback triggered but data is incomplete:',
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JSON.stringify(usageData)
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)
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}
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}
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)
|
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} else if (accountType === 'claude-console') {
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// Claude Console账号使用Console转发服务（需要传递accountId）
|
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await claudeConsoleRelayService.relayStreamRequestWithUsageCapture(
|
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req.body,
|
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req.apiKey,
|
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res,
|
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req.headers,
|
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(usageData) => {
|
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// 回调函数：当检测到完整usage数据时记录真实token使用量
|
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logger.info(
|
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'🎯 Usage callback triggered with complete data:',
|
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JSON.stringify(usageData, null, 2)
|
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)
|
||
|
||
if (
|
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usageData &&
|
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usageData.input_tokens !== undefined &&
|
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usageData.output_tokens !== undefined
|
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) {
|
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const inputTokens = usageData.input_tokens || 0
|
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const outputTokens = usageData.output_tokens || 0
|
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// 兼容处理：如果有详细的 cache_creation 对象，使用它；否则使用总的 cache_creation_input_tokens
|
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let cacheCreateTokens = usageData.cache_creation_input_tokens || 0
|
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let ephemeral5mTokens = 0
|
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let ephemeral1hTokens = 0
|
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|
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if (usageData.cache_creation && typeof usageData.cache_creation === 'object') {
|
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ephemeral5mTokens = usageData.cache_creation.ephemeral_5m_input_tokens || 0
|
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ephemeral1hTokens = usageData.cache_creation.ephemeral_1h_input_tokens || 0
|
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// 总的缓存创建 tokens 是两者之和
|
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cacheCreateTokens = ephemeral5mTokens + ephemeral1hTokens
|
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}
|
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|
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const cacheReadTokens = usageData.cache_read_input_tokens || 0
|
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const model = usageData.model || 'unknown'
|
||
|
||
// 记录真实的token使用量（包含模型信息和所有4种token以及账户ID）
|
||
const usageAccountId = usageData.accountId
|
||
|
||
// 构建 usage 对象以传递给 recordUsage
|
||
const usageObject = {
|
||
input_tokens: inputTokens,
|
||
output_tokens: outputTokens,
|
||
cache_creation_input_tokens: cacheCreateTokens,
|
||
cache_read_input_tokens: cacheReadTokens
|
||
}
|
||
|
||
// 如果有详细的缓存创建数据，添加到 usage 对象中
|
||
if (ephemeral5mTokens > 0 || ephemeral1hTokens > 0) {
|
||
usageObject.cache_creation = {
|
||
ephemeral_5m_input_tokens: ephemeral5mTokens,
|
||
ephemeral_1h_input_tokens: ephemeral1hTokens
|
||
}
|
||
}
|
||
|
||
apiKeyService
|
||
.recordUsageWithDetails(
|
||
req.apiKey.id,
|
||
usageObject,
|
||
model,
|
||
usageAccountId,
|
||
'claude-console'
|
||
)
|
||
.catch((error) => {
|
||
logger.error('❌ Failed to record stream usage:', error)
|
||
})
|
||
|
||
queueRateLimitUpdate(
|
||
req.rateLimitInfo,
|
||
{
|
||
inputTokens,
|
||
outputTokens,
|
||
cacheCreateTokens,
|
||
cacheReadTokens
|
||
},
|
||
model,
|
||
'claude-console-stream'
|
||
)
|
||
|
||
usageDataCaptured = true
|
||
logger.api(
|
||
`📊 Stream usage recorded (real) - Model: ${model}, Input: ${inputTokens}, Output: ${outputTokens}, Cache Create: ${cacheCreateTokens}, Cache Read: ${cacheReadTokens}, Total: ${inputTokens + outputTokens + cacheCreateTokens + cacheReadTokens} tokens`
|
||
)
|
||
} else {
|
||
logger.warn(
|
||
'⚠️ Usage callback triggered but data is incomplete:',
|
||
JSON.stringify(usageData)
|
||
)
|
||
}
|
||
},
|
||
accountId
|
||
)
|
||
} else if (accountType === 'bedrock') {
|
||
// Bedrock账号使用Bedrock转发服务
|
||
try {
|
||
const bedrockAccountResult = await bedrockAccountService.getAccount(accountId)
|
||
if (!bedrockAccountResult.success) {
|
||
throw new Error('Failed to get Bedrock account details')
|
||
}
|
||
|
||
const result = await bedrockRelayService.handleStreamRequest(
|
||
req.body,
|
||
bedrockAccountResult.data,
|
||
res
|
||
)
|
||
|
||
// 记录Bedrock使用统计
|
||
if (result.usage) {
|
||
const inputTokens = result.usage.input_tokens || 0
|
||
const outputTokens = result.usage.output_tokens || 0
|
||
|
||
apiKeyService
|
||
.recordUsage(req.apiKey.id, inputTokens, outputTokens, 0, 0, result.model, accountId)
|
||
.catch((error) => {
|
||
logger.error('❌ Failed to record Bedrock stream usage:', error)
|
||
})
|
||
|
||
queueRateLimitUpdate(
|
||
req.rateLimitInfo,
|
||
{
|
||
inputTokens,
|
||
outputTokens,
|
||
cacheCreateTokens: 0,
|
||
cacheReadTokens: 0
|
||
},
|
||
result.model,
|
||
'bedrock-stream'
|
||
)
|
||
|
||
usageDataCaptured = true
|
||
logger.api(
|
||
`📊 Bedrock stream usage recorded - Model: ${result.model}, Input: ${inputTokens}, Output: ${outputTokens}, Total: ${inputTokens + outputTokens} tokens`
|
||
)
|
||
}
|
||
} catch (error) {
|
||
logger.error('❌ Bedrock stream request failed:', error)
|
||
if (!res.headersSent) {
|
||
return res.status(500).json({ error: 'Bedrock service error', message: error.message })
|
||
}
|
||
return undefined
|
||
}
|
||
} else if (accountType === 'ccr') {
|
||
// CCR账号使用CCR转发服务（需要传递accountId）
|
||
await ccrRelayService.relayStreamRequestWithUsageCapture(
|
||
req.body,
|
||
req.apiKey,
|
||
res,
|
||
req.headers,
|
||
(usageData) => {
|
||
// 回调函数：当检测到完整usage数据时记录真实token使用量
|
||
logger.info(
|
||
'🎯 CCR usage callback triggered with complete data:',
|
||
JSON.stringify(usageData, null, 2)
|
||
)
|
||
|
||
if (
|
||
usageData &&
|
||
usageData.input_tokens !== undefined &&
|
||
usageData.output_tokens !== undefined
|
||
) {
|
||
const inputTokens = usageData.input_tokens || 0
|
||
const outputTokens = usageData.output_tokens || 0
|
||
// 兼容处理：如果有详细的 cache_creation 对象，使用它；否则使用总的 cache_creation_input_tokens
|
||
let cacheCreateTokens = usageData.cache_creation_input_tokens || 0
|
||
let ephemeral5mTokens = 0
|
||
let ephemeral1hTokens = 0
|
||
|
||
if (usageData.cache_creation && typeof usageData.cache_creation === 'object') {
|
||
ephemeral5mTokens = usageData.cache_creation.ephemeral_5m_input_tokens || 0
|
||
ephemeral1hTokens = usageData.cache_creation.ephemeral_1h_input_tokens || 0
|
||
// 总的缓存创建 tokens 是两者之和
|
||
cacheCreateTokens = ephemeral5mTokens + ephemeral1hTokens
|
||
}
|
||
|
||
const cacheReadTokens = usageData.cache_read_input_tokens || 0
|
||
const model = usageData.model || 'unknown'
|
||
|
||
// 记录真实的token使用量（包含模型信息和所有4种token以及账户ID）
|
||
const usageAccountId = usageData.accountId
|
||
|
||
// 构建 usage 对象以传递给 recordUsage
|
||
const usageObject = {
|
||
input_tokens: inputTokens,
|
||
output_tokens: outputTokens,
|
||
cache_creation_input_tokens: cacheCreateTokens,
|
||
cache_read_input_tokens: cacheReadTokens
|
||
}
|
||
|
||
// 如果有详细的缓存创建数据，添加到 usage 对象中
|
||
if (ephemeral5mTokens > 0 || ephemeral1hTokens > 0) {
|
||
usageObject.cache_creation = {
|
||
ephemeral_5m_input_tokens: ephemeral5mTokens,
|
||
ephemeral_1h_input_tokens: ephemeral1hTokens
|
||
}
|
||
}
|
||
|
||
apiKeyService
|
||
.recordUsageWithDetails(req.apiKey.id, usageObject, model, usageAccountId, 'ccr')
|
||
.catch((error) => {
|
||
logger.error('❌ Failed to record CCR stream usage:', error)
|
||
})
|
||
|
||
queueRateLimitUpdate(
|
||
req.rateLimitInfo,
|
||
{
|
||
inputTokens,
|
||
outputTokens,
|
||
cacheCreateTokens,
|
||
cacheReadTokens
|
||
},
|
||
model,
|
||
'ccr-stream'
|
||
)
|
||
|
||
usageDataCaptured = true
|
||
logger.api(
|
||
`📊 CCR stream usage recorded (real) - Model: ${model}, Input: ${inputTokens}, Output: ${outputTokens}, Cache Create: ${cacheCreateTokens}, Cache Read: ${cacheReadTokens}, Total: ${inputTokens + outputTokens + cacheCreateTokens + cacheReadTokens} tokens`
|
||
)
|
||
} else {
|
||
logger.warn(
|
||
'⚠️ CCR usage callback triggered but data is incomplete:',
|
||
JSON.stringify(usageData)
|
||
)
|
||
}
|
||
},
|
||
accountId
|
||
)
|
||
}
|
||
|
||
// 流式请求完成后 - 如果没有捕获到usage数据，记录警告但不进行估算
|
||
setTimeout(() => {
|
||
if (!usageDataCaptured) {
|
||
logger.warn(
|
||
'⚠️ No usage data captured from SSE stream - no statistics recorded (official data only)'
|
||
)
|
||
}
|
||
}, 1000) // 1秒后检查
|
||
} else {
|
||
// 非流式响应 - 只使用官方真实usage数据
|
||
logger.info('📄 Starting non-streaming request', {
|
||
apiKeyId: req.apiKey.id,
|
||
apiKeyName: req.apiKey.name
|
||
})
|
||
|
||
// 生成会话哈希用于sticky会话
|
||
const sessionHash = sessionHelper.generateSessionHash(req.body)
|
||
|
||
// 🔒 全局会话绑定验证（非流式）
|
||
let forcedAccountNonStream = null
|
||
let needSessionBindingNonStream = false
|
||
let originalSessionIdForBindingNonStream = null
|
||
|
||
try {
|
||
const globalBindingEnabled = await claudeRelayConfigService.isGlobalSessionBindingEnabled()
|
||
|
||
if (globalBindingEnabled) {
|
||
const originalSessionId = claudeRelayConfigService.extractOriginalSessionId(req.body)
|
||
|
||
if (originalSessionId) {
|
||
const validation = await claudeRelayConfigService.validateNewSession(
|
||
req.body,
|
||
originalSessionId
|
||
)
|
||
|
||
if (!validation.valid) {
|
||
logger.api(
|
||
`❌ Session binding validation failed (non-stream): ${validation.code} for session ${originalSessionId}`
|
||
)
|
||
return res.status(403).json({
|
||
error: {
|
||
type: 'session_binding_error',
|
||
message: validation.error
|
||
}
|
||
})
|
||
}
|
||
|
||
if (validation.binding) {
|
||
forcedAccountNonStream = validation.binding
|
||
logger.api(
|
||
`🔗 Using bound account for session (non-stream) ${originalSessionId}: ${forcedAccountNonStream.accountId}`
|
||
)
|
||
}
|
||
|
||
if (validation.isNewSession) {
|
||
needSessionBindingNonStream = true
|
||
originalSessionIdForBindingNonStream = originalSessionId
|
||
logger.api(
|
||
`📝 New session detected (non-stream), will create binding: ${originalSessionId}`
|
||
)
|
||
}
|
||
}
|
||
}
|
||
} catch (error) {
|
||
logger.error('❌ Error in global session binding check (non-stream):', error)
|
||
}
|
||
|
||
// 使用统一调度选择账号（传递请求的模型）
|
||
const requestedModel = req.body.model
|
||
let accountId
|
||
let accountType
|
||
try {
|
||
const selection = await unifiedClaudeScheduler.selectAccountForApiKey(
|
||
req.apiKey,
|
||
sessionHash,
|
||
requestedModel,
|
||
forcedAccountNonStream
|
||
)
|
||
;({ accountId, accountType } = selection)
|
||
} catch (error) {
|
||
if (error.code === 'SESSION_BINDING_ACCOUNT_UNAVAILABLE') {
|
||
const errorMessage = await claudeRelayConfigService.getSessionBindingErrorMessage()
|
||
return res.status(403).json({
|
||
error: {
|
||
type: 'session_binding_error',
|
||
message: errorMessage
|
||
}
|
||
})
|
||
}
|
||
if (error.code === 'CLAUDE_DEDICATED_RATE_LIMITED') {
|
||
const limitMessage = claudeRelayService._buildStandardRateLimitMessage(
|
||
error.rateLimitEndAt
|
||
)
|
||
return res.status(403).json({
|
||
error: 'upstream_rate_limited',
|
||
message: limitMessage
|
||
})
|
||
}
|
||
throw error
|
||
}
|
||
|
||
// 🔗 在成功调度后建立会话绑定（非流式，仅 claude-official 类型）
|
||
// claude-official 只接受：1) 新会话(messages.length=1) 2) 已绑定的会话
|
||
if (
|
||
needSessionBindingNonStream &&
|
||
originalSessionIdForBindingNonStream &&
|
||
accountId &&
|
||
accountType === 'claude-official'
|
||
) {
|
||
// 🚫 新会话必须 messages.length === 1
|
||
const messages = req.body?.messages
|
||
if (messages && messages.length > 1) {
|
||
const cfg = await claudeRelayConfigService.getConfig()
|
||
logger.warn(
|
||
`🚫 New session with messages.length > 1 rejected (non-stream): sessionId=${originalSessionIdForBindingNonStream}, messages.length=${messages.length}`
|
||
)
|
||
return res.status(400).json({
|
||
error: {
|
||
type: 'session_binding_error',
|
||
message: cfg.sessionBindingErrorMessage || '你的本地session已污染，请清理后使用。'
|
||
}
|
||
})
|
||
}
|
||
|
||
// 创建绑定
|
||
try {
|
||
await claudeRelayConfigService.setOriginalSessionBinding(
|
||
originalSessionIdForBindingNonStream,
|
||
accountId,
|
||
accountType
|
||
)
|
||
} catch (bindingError) {
|
||
logger.warn(`⚠️ Failed to create session binding (non-stream):`, bindingError)
|
||
}
|
||
}
|
||
|
||
// 根据账号类型选择对应的转发服务
|
||
let response
|
||
logger.debug(`[DEBUG] Request query params: ${JSON.stringify(req.query)}`)
|
||
logger.debug(`[DEBUG] Request URL: ${req.url}`)
|
||
logger.debug(`[DEBUG] Request path: ${req.path}`)
|
||
|
||
if (accountType === 'claude-official') {
|
||
// 官方Claude账号使用原有的转发服务
|
||
response = await claudeRelayService.relayRequest(
|
||
req.body,
|
||
req.apiKey,
|
||
req,
|
||
res,
|
||
req.headers
|
||
)
|
||
} else if (accountType === 'claude-console') {
|
||
// Claude Console账号使用Console转发服务
|
||
logger.debug(
|
||
`[DEBUG] Calling claudeConsoleRelayService.relayRequest with accountId: ${accountId}`
|
||
)
|
||
response = await claudeConsoleRelayService.relayRequest(
|
||
req.body,
|
||
req.apiKey,
|
||
req,
|
||
res,
|
||
req.headers,
|
||
accountId
|
||
)
|
||
} else if (accountType === 'bedrock') {
|
||
// Bedrock账号使用Bedrock转发服务
|
||
try {
|
||
const bedrockAccountResult = await bedrockAccountService.getAccount(accountId)
|
||
if (!bedrockAccountResult.success) {
|
||
throw new Error('Failed to get Bedrock account details')
|
||
}
|
||
|
||
const result = await bedrockRelayService.handleNonStreamRequest(
|
||
req.body,
|
||
bedrockAccountResult.data,
|
||
req.headers
|
||
)
|
||
|
||
// 构建标准响应格式
|
||
response = {
|
||
statusCode: result.success ? 200 : 500,
|
||
headers: { 'Content-Type': 'application/json' },
|
||
body: JSON.stringify(result.success ? result.data : { error: result.error }),
|
||
accountId
|
||
}
|
||
|
||
// 如果成功，添加使用统计到响应数据中
|
||
if (result.success && result.usage) {
|
||
const responseData = JSON.parse(response.body)
|
||
responseData.usage = result.usage
|
||
response.body = JSON.stringify(responseData)
|
||
}
|
||
} catch (error) {
|
||
logger.error('❌ Bedrock non-stream request failed:', error)
|
||
response = {
|
||
statusCode: 500,
|
||
headers: { 'Content-Type': 'application/json' },
|
||
body: JSON.stringify({ error: 'Bedrock service error', message: error.message }),
|
||
accountId
|
||
}
|
||
}
|
||
} else if (accountType === 'ccr') {
|
||
// CCR账号使用CCR转发服务
|
||
logger.debug(`[DEBUG] Calling ccrRelayService.relayRequest with accountId: ${accountId}`)
|
||
response = await ccrRelayService.relayRequest(
|
||
req.body,
|
||
req.apiKey,
|
||
req,
|
||
res,
|
||
req.headers,
|
||
accountId
|
||
)
|
||
}
|
||
|
||
logger.info('📡 Claude API response received', {
|
||
statusCode: response.statusCode,
|
||
headers: JSON.stringify(response.headers),
|
||
bodyLength: response.body ? response.body.length : 0
|
||
})
|
||
|
||
res.status(response.statusCode)
|
||
|
||
// 设置响应头，避免 Content-Length 和 Transfer-Encoding 冲突
|
||
const skipHeaders = ['content-encoding', 'transfer-encoding', 'content-length']
|
||
Object.keys(response.headers).forEach((key) => {
|
||
if (!skipHeaders.includes(key.toLowerCase())) {
|
||
res.setHeader(key, response.headers[key])
|
||
}
|
||
})
|
||
|
||
let usageRecorded = false
|
||
|
||
// 尝试解析JSON响应并提取usage信息
|
||
try {
|
||
const jsonData = JSON.parse(response.body)
|
||
|
||
logger.info('📊 Parsed Claude API response:', JSON.stringify(jsonData, null, 2))
|
||
|
||
// 从Claude API响应中提取usage信息（完整的token分类体系）
|
||
if (
|
||
jsonData.usage &&
|
||
jsonData.usage.input_tokens !== undefined &&
|
||
jsonData.usage.output_tokens !== undefined
|
||
) {
|
||
const inputTokens = jsonData.usage.input_tokens || 0
|
||
const outputTokens = jsonData.usage.output_tokens || 0
|
||
const cacheCreateTokens = jsonData.usage.cache_creation_input_tokens || 0
|
||
const cacheReadTokens = jsonData.usage.cache_read_input_tokens || 0
|
||
// Parse the model to remove vendor prefix if present (e.g., "ccr,gemini-2.5-pro" -> "gemini-2.5-pro")
|
||
const rawModel = jsonData.model || req.body.model || 'unknown'
|
||
const { baseModel } = parseVendorPrefixedModel(rawModel)
|
||
const model = baseModel || rawModel
|
||
|
||
// 记录真实的token使用量（包含模型信息和所有4种token以及账户ID）
|
||
const { accountId: responseAccountId } = response
|
||
await apiKeyService.recordUsage(
|
||
req.apiKey.id,
|
||
inputTokens,
|
||
outputTokens,
|
||
cacheCreateTokens,
|
||
cacheReadTokens,
|
||
model,
|
||
responseAccountId
|
||
)
|
||
|
||
await queueRateLimitUpdate(
|
||
req.rateLimitInfo,
|
||
{
|
||
inputTokens,
|
||
outputTokens,
|
||
cacheCreateTokens,
|
||
cacheReadTokens
|
||
},
|
||
model,
|
||
'claude-non-stream'
|
||
)
|
||
|
||
usageRecorded = true
|
||
logger.api(
|
||
`📊 Non-stream usage recorded (real) - Model: ${model}, Input: ${inputTokens}, Output: ${outputTokens}, Cache Create: ${cacheCreateTokens}, Cache Read: ${cacheReadTokens}, Total: ${inputTokens + outputTokens + cacheCreateTokens + cacheReadTokens} tokens`
|
||
)
|
||
} else {
|
||
logger.warn('⚠️ No usage data found in Claude API JSON response')
|
||
}
|
||
|
||
res.json(jsonData)
|
||
} catch (parseError) {
|
||
logger.warn('⚠️ Failed to parse Claude API response as JSON:', parseError.message)
|
||
logger.info('📄 Raw response body:', response.body)
|
||
res.send(response.body)
|
||
}
|
||
|
||
// 如果没有记录usage，只记录警告，不进行估算
|
||
if (!usageRecorded) {
|
||
logger.warn(
|
||
'⚠️ No usage data recorded for non-stream request - no statistics recorded (official data only)'
|
||
)
|
||
}
|
||
}
|
||
|
||
const duration = Date.now() - startTime
|
||
logger.api(`✅ Request completed in ${duration}ms for key: ${req.apiKey.name}`)
|
||
return undefined
|
||
} catch (error) {
|
||
let handledError = error
|
||
|
||
// 🔄 并发满额降级处理：捕获CONSOLE_ACCOUNT_CONCURRENCY_FULL错误
|
||
if (
|
||
handledError.code === 'CONSOLE_ACCOUNT_CONCURRENCY_FULL' &&
|
||
!req._concurrencyRetryAttempted
|
||
) {
|
||
req._concurrencyRetryAttempted = true
|
||
logger.warn(
|
||
`⚠️ Console account ${handledError.accountId} concurrency full, attempting fallback to other accounts...`
|
||
)
|
||
|
||
// 只有在响应头未发送时才能重试
|
||
if (!res.headersSent) {
|
||
try {
|
||
// 清理粘性会话映射（如果存在）
|
||
const sessionHash = sessionHelper.generateSessionHash(req.body)
|
||
await unifiedClaudeScheduler.clearSessionMapping(sessionHash)
|
||
|
||
logger.info('🔄 Session mapping cleared, retrying handleMessagesRequest...')
|
||
|
||
// 递归重试整个请求处理（会选择新账户）
|
||
return await handleMessagesRequest(req, res)
|
||
} catch (retryError) {
|
||
// 重试失败
|
||
if (retryError.code === 'CONSOLE_ACCOUNT_CONCURRENCY_FULL') {
|
||
logger.error('❌ All Console accounts reached concurrency limit after retry')
|
||
return res.status(503).json({
|
||
error: 'service_unavailable',
|
||
message:
|
||
'All available Claude Console accounts have reached their concurrency limit. Please try again later.'
|
||
})
|
||
}
|
||
// 其他错误继续向下处理
|
||
handledError = retryError
|
||
}
|
||
} else {
|
||
// 响应头已发送，无法重试
|
||
logger.error('❌ Cannot retry concurrency full error - response headers already sent')
|
||
if (!res.destroyed && !res.finished) {
|
||
res.end()
|
||
}
|
||
return undefined
|
||
}
|
||
}
|
||
|
||
// 🚫 第二次并发满额错误：已经重试过，直接返回503
|
||
if (
|
||
handledError.code === 'CONSOLE_ACCOUNT_CONCURRENCY_FULL' &&
|
||
req._concurrencyRetryAttempted
|
||
) {
|
||
logger.error('❌ All Console accounts reached concurrency limit (retry already attempted)')
|
||
if (!res.headersSent) {
|
||
return res.status(503).json({
|
||
error: 'service_unavailable',
|
||
message:
|
||
'All available Claude Console accounts have reached their concurrency limit. Please try again later.'
|
||
})
|
||
} else {
|
||
if (!res.destroyed && !res.finished) {
|
||
res.end()
|
||
}
|
||
return undefined
|
||
}
|
||
}
|
||
|
||
logger.error('❌ Claude relay error:', handledError.message, {
|
||
code: handledError.code,
|
||
stack: handledError.stack
|
||
})
|
||
|
||
// 确保在任何情况下都能返回有效的JSON响应
|
||
if (!res.headersSent) {
|
||
// 根据错误类型设置适当的状态码
|
||
let statusCode = 500
|
||
let errorType = 'Relay service error'
|
||
|
||
if (
|
||
handledError.message.includes('Connection reset') ||
|
||
handledError.message.includes('socket hang up')
|
||
) {
|
||
statusCode = 502
|
||
errorType = 'Upstream connection error'
|
||
} else if (handledError.message.includes('Connection refused')) {
|
||
statusCode = 502
|
||
errorType = 'Upstream service unavailable'
|
||
} else if (handledError.message.includes('timeout')) {
|
||
statusCode = 504
|
||
errorType = 'Upstream timeout'
|
||
} else if (
|
||
handledError.message.includes('resolve') ||
|
||
handledError.message.includes('ENOTFOUND')
|
||
) {
|
||
statusCode = 502
|
||
errorType = 'Upstream hostname resolution failed'
|
||
}
|
||
|
||
return res.status(statusCode).json({
|
||
error: errorType,
|
||
message: handledError.message || 'An unexpected error occurred',
|
||
timestamp: new Date().toISOString()
|
||
})
|
||
} else {
|
||
// 如果响应头已经发送，尝试结束响应
|
||
if (!res.destroyed && !res.finished) {
|
||
res.end()
|
||
}
|
||
return undefined
|
||
}
|
||
}
|
||
}
|
||
|
||
// 🚀 Claude API messages 端点 - /api/v1/messages
|
||
router.post('/v1/messages', authenticateApiKey, handleMessagesRequest)
|
||
|
||
// 🚀 Claude API messages 端点 - /claude/v1/messages (别名)
|
||
router.post('/claude/v1/messages', authenticateApiKey, handleMessagesRequest)
|
||
|
||
// 📋 模型列表端点 - 支持 Claude, OpenAI, Gemini
|
||
router.get('/v1/models', authenticateApiKey, async (req, res) => {
|
||
try {
|
||
const modelService = require('../services/modelService')
|
||
|
||
// 从 modelService 获取所有支持的模型
|
||
const models = modelService.getAllModels()
|
||
|
||
// 可选：根据 API Key 的模型限制过滤
|
||
let filteredModels = models
|
||
if (req.apiKey.enableModelRestriction && req.apiKey.restrictedModels?.length > 0) {
|
||
// 将 restrictedModels 视为黑名单：过滤掉受限模型
|
||
filteredModels = models.filter((model) => !req.apiKey.restrictedModels.includes(model.id))
|
||
}
|
||
|
||
res.json({
|
||
object: 'list',
|
||
data: filteredModels
|
||
})
|
||
} catch (error) {
|
||
logger.error('❌ Models list error:', error)
|
||
res.status(500).json({
|
||
error: 'Failed to get models list',
|
||
message: error.message
|
||
})
|
||
}
|
||
})
|
||
|
||
// 🏥 健康检查端点
|
||
router.get('/health', async (req, res) => {
|
||
try {
|
||
const healthStatus = await claudeRelayService.healthCheck()
|
||
|
||
res.status(healthStatus.healthy ? 200 : 503).json({
|
||
status: healthStatus.healthy ? 'healthy' : 'unhealthy',
|
||
service: 'claude-relay-service',
|
||
version: '1.0.0',
|
||
...healthStatus
|
||
})
|
||
} catch (error) {
|
||
logger.error('❌ Health check error:', error)
|
||
res.status(503).json({
|
||
status: 'unhealthy',
|
||
service: 'claude-relay-service',
|
||
error: error.message,
|
||
timestamp: new Date().toISOString()
|
||
})
|
||
}
|
||
})
|
||
|
||
// 📊 API Key状态检查端点 - /api/v1/key-info
|
||
router.get('/v1/key-info', authenticateApiKey, async (req, res) => {
|
||
try {
|
||
const usage = await apiKeyService.getUsageStats(req.apiKey.id)
|
||
|
||
res.json({
|
||
keyInfo: {
|
||
id: req.apiKey.id,
|
||
name: req.apiKey.name,
|
||
tokenLimit: req.apiKey.tokenLimit,
|
||
usage
|
||
},
|
||
timestamp: new Date().toISOString()
|
||
})
|
||
} catch (error) {
|
||
logger.error('❌ Key info error:', error)
|
||
res.status(500).json({
|
||
error: 'Failed to get key info',
|
||
message: error.message
|
||
})
|
||
}
|
||
})
|
||
|
||
// 📈 使用统计端点 - /api/v1/usage
|
||
router.get('/v1/usage', authenticateApiKey, async (req, res) => {
|
||
try {
|
||
const usage = await apiKeyService.getUsageStats(req.apiKey.id)
|
||
|
||
res.json({
|
||
usage,
|
||
limits: {
|
||
tokens: req.apiKey.tokenLimit,
|
||
requests: 0 // 请求限制已移除
|
||
},
|
||
timestamp: new Date().toISOString()
|
||
})
|
||
} catch (error) {
|
||
logger.error('❌ Usage stats error:', error)
|
||
res.status(500).json({
|
||
error: 'Failed to get usage stats',
|
||
message: error.message
|
||
})
|
||
}
|
||
})
|
||
|
||
// 👤 用户信息端点 - Claude Code 客户端需要
|
||
router.get('/v1/me', authenticateApiKey, async (req, res) => {
|
||
try {
|
||
// 返回基础用户信息
|
||
res.json({
|
||
id: `user_${req.apiKey.id}`,
|
||
type: 'user',
|
||
display_name: req.apiKey.name || 'API User',
|
||
created_at: new Date().toISOString()
|
||
})
|
||
} catch (error) {
|
||
logger.error('❌ User info error:', error)
|
||
res.status(500).json({
|
||
error: 'Failed to get user info',
|
||
message: error.message
|
||
})
|
||
}
|
||
})
|
||
|
||
// 💰 余额/限制端点 - Claude Code 客户端需要
|
||
router.get('/v1/organizations/:org_id/usage', authenticateApiKey, async (req, res) => {
|
||
try {
|
||
const usage = await apiKeyService.getUsageStats(req.apiKey.id)
|
||
|
||
res.json({
|
||
object: 'usage',
|
||
data: [
|
||
{
|
||
type: 'credit_balance',
|
||
credit_balance: req.apiKey.tokenLimit - (usage.totalTokens || 0)
|
||
}
|
||
]
|
||
})
|
||
} catch (error) {
|
||
logger.error('❌ Organization usage error:', error)
|
||
res.status(500).json({
|
||
error: 'Failed to get usage info',
|
||
message: error.message
|
||
})
|
||
}
|
||
})
|
||
|
||
// 🔢 Token计数端点 - count_tokens beta API
|
||
router.post('/v1/messages/count_tokens', authenticateApiKey, async (req, res) => {
|
||
// 检查权限
|
||
if (
|
||
req.apiKey.permissions &&
|
||
req.apiKey.permissions !== 'all' &&
|
||
req.apiKey.permissions !== 'claude'
|
||
) {
|
||
return res.status(403).json({
|
||
error: {
|
||
type: 'permission_error',
|
||
message: 'This API key does not have permission to access Claude'
|
||
}
|
||
})
|
||
}
|
||
|
||
logger.info(`🔢 Processing token count request for key: ${req.apiKey.name}`)
|
||
|
||
const sessionHash = sessionHelper.generateSessionHash(req.body)
|
||
const requestedModel = req.body.model
|
||
const maxAttempts = 2
|
||
let attempt = 0
|
||
|
||
// 引入 claudeConsoleAccountService 用于检查 count_tokens 可用性
|
||
const claudeConsoleAccountService = require('../services/claudeConsoleAccountService')
|
||
|
||
const processRequest = async () => {
|
||
const { accountId, accountType } = await unifiedClaudeScheduler.selectAccountForApiKey(
|
||
req.apiKey,
|
||
sessionHash,
|
||
requestedModel
|
||
)
|
||
|
||
if (accountType === 'ccr') {
|
||
throw Object.assign(new Error('Token counting is not supported for CCR accounts'), {
|
||
httpStatus: 501,
|
||
errorPayload: {
|
||
error: {
|
||
type: 'not_supported',
|
||
message: 'Token counting is not supported for CCR accounts'
|
||
}
|
||
}
|
||
})
|
||
}
|
||
|
||
if (accountType === 'bedrock') {
|
||
throw Object.assign(new Error('Token counting is not supported for Bedrock accounts'), {
|
||
httpStatus: 501,
|
||
errorPayload: {
|
||
error: {
|
||
type: 'not_supported',
|
||
message: 'Token counting is not supported for Bedrock accounts'
|
||
}
|
||
}
|
||
})
|
||
}
|
||
|
||
// 🔍 claude-console 账户特殊处理：检查 count_tokens 端点是否可用
|
||
if (accountType === 'claude-console') {
|
||
const isUnavailable = await claudeConsoleAccountService.isCountTokensUnavailable(accountId)
|
||
if (isUnavailable) {
|
||
logger.info(
|
||
`⏭️ count_tokens unavailable for Claude Console account ${accountId}, returning fallback response`
|
||
)
|
||
return { fallbackResponse: true }
|
||
}
|
||
}
|
||
|
||
const relayOptions = {
|
||
skipUsageRecord: true,
|
||
customPath: '/v1/messages/count_tokens'
|
||
}
|
||
|
||
const response =
|
||
accountType === 'claude-official'
|
||
? await claudeRelayService.relayRequest(
|
||
req.body,
|
||
req.apiKey,
|
||
req,
|
||
res,
|
||
req.headers,
|
||
relayOptions
|
||
)
|
||
: await claudeConsoleRelayService.relayRequest(
|
||
req.body,
|
||
req.apiKey,
|
||
req,
|
||
res,
|
||
req.headers,
|
||
accountId,
|
||
relayOptions
|
||
)
|
||
|
||
// 🔍 claude-console 账户：检测上游 404 响应并标记
|
||
if (accountType === 'claude-console' && response.statusCode === 404) {
|
||
logger.warn(
|
||
`⚠️ count_tokens endpoint returned 404 for Claude Console account ${accountId}, marking as unavailable`
|
||
)
|
||
// 标记失败不应影响 fallback 响应
|
||
try {
|
||
await claudeConsoleAccountService.markCountTokensUnavailable(accountId)
|
||
} catch (markError) {
|
||
logger.error(
|
||
`❌ Failed to mark count_tokens unavailable for account ${accountId}, but will still return fallback:`,
|
||
markError
|
||
)
|
||
}
|
||
return { fallbackResponse: true }
|
||
}
|
||
|
||
res.status(response.statusCode)
|
||
|
||
const skipHeaders = ['content-encoding', 'transfer-encoding', 'content-length']
|
||
Object.keys(response.headers).forEach((key) => {
|
||
if (!skipHeaders.includes(key.toLowerCase())) {
|
||
res.setHeader(key, response.headers[key])
|
||
}
|
||
})
|
||
|
||
try {
|
||
const jsonData = JSON.parse(response.body)
|
||
if (response.statusCode < 200 || response.statusCode >= 300) {
|
||
const sanitizedData = sanitizeUpstreamError(jsonData)
|
||
res.json(sanitizedData)
|
||
} else {
|
||
res.json(jsonData)
|
||
}
|
||
} catch (parseError) {
|
||
res.send(response.body)
|
||
}
|
||
|
||
logger.info(`✅ Token count request completed for key: ${req.apiKey.name}`)
|
||
return { fallbackResponse: false }
|
||
}
|
||
|
||
while (attempt < maxAttempts) {
|
||
try {
|
||
const result = await processRequest()
|
||
|
||
// 🔍 处理 fallback 响应（claude-console 账户 count_tokens 不可用）
|
||
if (result && result.fallbackResponse) {
|
||
if (!res.headersSent) {
|
||
return res.status(200).json({ input_tokens: 0 })
|
||
}
|
||
return
|
||
}
|
||
|
||
return
|
||
} catch (error) {
|
||
if (error.code === 'CONSOLE_ACCOUNT_CONCURRENCY_FULL') {
|
||
logger.warn(
|
||
`⚠️ Console account concurrency full during count_tokens (attempt ${attempt + 1}/${maxAttempts})`
|
||
)
|
||
if (attempt < maxAttempts - 1) {
|
||
try {
|
||
await unifiedClaudeScheduler.clearSessionMapping(sessionHash)
|
||
} catch (clearError) {
|
||
logger.error('❌ Failed to clear session mapping for count_tokens retry:', clearError)
|
||
if (!res.headersSent) {
|
||
return res.status(500).json({
|
||
error: {
|
||
type: 'server_error',
|
||
message: 'Failed to count tokens'
|
||
}
|
||
})
|
||
}
|
||
if (!res.destroyed && !res.finished) {
|
||
res.end()
|
||
}
|
||
return
|
||
}
|
||
attempt += 1
|
||
continue
|
||
}
|
||
if (!res.headersSent) {
|
||
return res.status(503).json({
|
||
error: 'service_unavailable',
|
||
message:
|
||
'All available Claude Console accounts have reached their concurrency limit. Please try again later.'
|
||
})
|
||
}
|
||
if (!res.destroyed && !res.finished) {
|
||
res.end()
|
||
}
|
||
return
|
||
}
|
||
|
||
if (error.httpStatus) {
|
||
return res.status(error.httpStatus).json(error.errorPayload)
|
||
}
|
||
|
||
// 客户端断开连接不是错误，使用 INFO 级别
|
||
if (error.message === 'Client disconnected') {
|
||
logger.info('🔌 Client disconnected during token count request')
|
||
if (!res.headersSent) {
|
||
return res.status(499).end() // 499 Client Closed Request
|
||
}
|
||
if (!res.destroyed && !res.finished) {
|
||
res.end()
|
||
}
|
||
return
|
||
}
|
||
|
||
logger.error('❌ Token count error:', error)
|
||
if (!res.headersSent) {
|
||
return res.status(500).json({
|
||
error: {
|
||
type: 'server_error',
|
||
message: 'Failed to count tokens'
|
||
}
|
||
})
|
||
}
|
||
|
||
if (!res.destroyed && !res.finished) {
|
||
res.end()
|
||
}
|
||
return
|
||
}
|
||
}
|
||
})
|
||
|
||
module.exports = router
|
||
module.exports.handleMessagesRequest = handleMessagesRequest
|