mirror of
https://github.com/Wei-Shaw/claude-relay-service.git
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122 lines
2.7 KiB
JavaScript
122 lines
2.7 KiB
JavaScript
/**
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* 统一的 CDN Headers 过滤列表
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*
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* 用于各服务在原有过滤逻辑基础上，额外移除 Cloudflare CDN 和代理相关的 headers
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* 避免触发上游 API（如 88code）的安全检查
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*/
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// Cloudflare CDN headers（橙色云代理模式会添加这些）
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const cdnHeaders = [
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'x-real-ip',
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'x-forwarded-for',
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'x-forwarded-proto',
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'x-forwarded-host',
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'x-forwarded-port',
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'x-accel-buffering',
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'cf-ray',
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'cf-connecting-ip',
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'cf-ipcountry',
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'cf-visitor',
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'cf-request-id',
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'cdn-loop',
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'true-client-ip'
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]
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/**
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* 为 OpenAI/Responses API 过滤 headers
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* 在原有 skipHeaders 基础上添加 CDN headers
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*/
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function filterForOpenAI(headers) {
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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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...cdnHeaders // 添加 CDN headers
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]
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const filtered = {}
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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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}
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/**
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* 为 Claude/Anthropic API 过滤 headers
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* 使用白名单模式，只允许指定的 headers 通过
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*/
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function filterForClaude(headers) {
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// 白名单模式：只允许以下 headers
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const allowedHeaders = [
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'accept',
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'x-stainless-retry-count',
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'x-stainless-timeout',
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'x-stainless-lang',
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'x-stainless-package-version',
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'x-stainless-os',
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'x-stainless-arch',
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'x-stainless-runtime',
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'x-stainless-runtime-version',
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'x-stainless-helper-method',
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'anthropic-dangerous-direct-browser-access',
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'anthropic-version',
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'x-app',
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'anthropic-beta',
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'accept-language',
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'sec-fetch-mode',
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'accept-encoding',
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'user-agent',
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'content-type',
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'connection'
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]
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const filtered = {}
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Object.keys(headers || {}).forEach((key) => {
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const lowerKey = key.toLowerCase()
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if (allowedHeaders.includes(lowerKey)) {
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filtered[key] = headers[key]
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}
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})
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return filtered
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}
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/**
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* 为 Gemini API 过滤 headers（如果需要转发客户端 headers 时使用）
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* 目前 Gemini 服务不转发客户端 headers，仅提供此方法备用
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*/
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function filterForGemini(headers) {
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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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'connection',
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...cdnHeaders // 添加 CDN headers
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]
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const filtered = {}
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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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}
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module.exports = {
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cdnHeaders,
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filterForOpenAI,
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filterForClaude,
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filterForGemini
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}
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