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fix: 过滤 Cloudflare CDN headers 以防止 API 安全检查
使用 Cloudflare 橙色云(CDN 代理模式)时,Cloudflare 会自动添加 CDN 相关的 headers (cf-*, x-forwarded-*, cdn-loop 等),这会触发上游 API 提供商的安全检查: 1. 已确认问题:88code API 检测到 CDN headers 后返回 403 Forbidden, 导致 Codex CLI 无法使用 2. 潜在风险:其他 API 提供商(OpenAI、Anthropic)可能也会因检测到 代理/CDN 特征而采取限制措施 创建统一的 headerFilter 工具类,在所有转发服务中过滤 Cloudflare CDN headers, 使转发请求伪装成正常的直接客户端请求。 1. 新增 src/utils/headerFilter.js - 统一的 CDN headers 过滤列表(13 个 Cloudflare headers) - 提供 filterForOpenAI() 和 filterForClaude() 方法 - 在现有过滤逻辑基础上添加 CDN header 过滤 2. 更新 src/services/openaiResponsesRelayService.js - 使用 filterForOpenAI() 替代内联的 _filterRequestHeaders() - 保持向后兼容性 3. 更新 src/services/claudeRelayService.js - 使用 filterForClaude() 替代 _filterClientHeaders() 实现 - 简化代码,移除重复的 header 列表定义 4. 修复 src/routes/openaiRoutes.js - 添加对 input 字段的类型检查(可以是数组或字符串) - 防止 "startsWith is not a function" 错误 x-real-ip, x-forwarded-for, x-forwarded-proto, x-forwarded-host, x-forwarded-port, x-accel-buffering, cf-ray, cf-connecting-ip, cf-ipcountry, cf-visitor, cf-request-id, cdn-loop, true-client-ip - ✅ Codex CLI 通过中转服务成功调用 88code API(之前返回 403) - ✅ 保留所有业务必需的 headers(conversation_id、session_id 等) - ✅ 移除所有 Cloudflare CDN 痕迹 - ✅ 保持橙色云的 DDoS 防护和 CDN 加速优势 - ✅ Docker 构建成功 1. 解决 88code 403 问题,Codex CLI 可正常使用 2. 降低因 CDN/代理特征被上游 API 识别的风险 3. 提升与各种 API 提供商的兼容性 4. 统一管理 CDN headers 过滤逻辑,便于维护
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@@ -1,6 +1,7 @@
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const axios = require('axios')
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const ProxyHelper = require('../utils/proxyHelper')
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const logger = require('../utils/logger')
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const { filterForOpenAI } = require('../utils/headerFilter')
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const openaiResponsesAccountService = require('./openaiResponsesAccountService')
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const apiKeyService = require('./apiKeyService')
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const unifiedOpenAIScheduler = require('./unifiedOpenAIScheduler')
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@@ -73,9 +74,9 @@ class OpenAIResponsesRelayService {
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const targetUrl = `${fullAccount.baseApi}${req.path}`
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logger.info(`🎯 Forwarding to: ${targetUrl}`)
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// 构建请求头
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// 构建请求头 - 使用统一的 headerFilter 移除 CDN headers
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const headers = {
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...this._filterRequestHeaders(req.headers),
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...filterForOpenAI(req.headers),
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Authorization: `Bearer ${fullAccount.apiKey}`,
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'Content-Type': 'application/json'
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}
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@@ -810,29 +811,10 @@ class OpenAIResponsesRelayService {
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return { resetsInSeconds, errorData }
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}
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// 过滤请求头
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// 过滤请求头 - 已迁移到 headerFilter 工具类
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// 此方法保留用于向后兼容,实际使用 filterForOpenAI()
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_filterRequestHeaders(headers) {
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const filtered = {}
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const skipHeaders = [
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'host',
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'content-length',
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'authorization',
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'x-api-key',
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'x-cr-api-key',
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'connection',
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'upgrade',
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'sec-websocket-key',
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'sec-websocket-version',
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'sec-websocket-extensions'
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]
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for (const [key, value] of Object.entries(headers)) {
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if (!skipHeaders.includes(key.toLowerCase())) {
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filtered[key] = value
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}
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}
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return filtered
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return filterForOpenAI(headers)
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}
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// 估算费用(简化版本,实际应该根据不同的定价模型)
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