110 lines
3.7 KiB
Plaintext
110 lines
3.7 KiB
Plaintext
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/**
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* 导入Deno标准库中的HTTP服务器模块
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*/
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import { serve } from "https://deno.land/std/http/server.ts";
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/**
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* API映射表，定义了路由前缀到实际API端点的映射关系
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* 用于将请求转发到相应的第三方服务
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*/
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const apiMapping = {
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'/discord': 'https://discord.com/api', // Discord API
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'/telegram': 'https://api.telegram.org', // Telegram API
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'/openai': 'https://api.openai.com', // OpenAI API
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'/claude': 'https://api.anthropic.com', // Anthropic Claude API
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'/gemini': 'https://generativelanguage.googleapis.com', // Google Gemini API
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'/meta': 'https://www.meta.ai/api', // Meta AI API
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'/groq': 'https://api.groq.com/openai', // Groq API (OpenAI兼容)
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'/xai': 'https://api.x.ai', // X.AI API
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'/cohere': 'https://api.cohere.ai', // Cohere API
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'/huggingface': 'https://api-inference.huggingface.co', // Hugging Face API
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'/together': 'https://api.together.xyz', // Together AI API
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'/novita': 'https://api.novita.ai', // Novita AI API
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'/portkey': 'https://api.portkey.ai', // Portkey API
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'/fireworks': 'https://api.fireworks.ai', // Fireworks AI API
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'/openrouter': 'https://openrouter.ai/api' // OpenRouter API
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};
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/**
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* 启动HTTP服务器，处理所有传入的请求
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*/
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serve(async (request) => {
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// 解析请求URL
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const url = new URL(request.url);
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const pathname = url.pathname;
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// 处理根路径和index.html请求
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if (pathname === '/' || pathname === '/index.html') {
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return new Response('Service is running!', {
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status: 200,
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headers: { 'Content-Type': 'text/html' }
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});
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}
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// 处理robots.txt请求，禁止搜索引擎爬取
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if (pathname === '/robots.txt') {
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return new Response('User-agent: *\nDisallow: /', {
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status: 200,
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headers: { 'Content-Type': 'text/plain' }
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});
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}
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// 从请求路径中提取API前缀和剩余路径
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const [prefix, rest] = extractPrefixAndRest(pathname, Object.keys(apiMapping));
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if (!prefix) {
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return new Response('Not Found', { status: 404 });
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}
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// 构建目标URL
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const targetUrl = `${apiMapping[prefix]}${rest}`;
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try {
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// 创建新的请求头，只保留允许的头部信息
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const headers = new Headers();
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const allowedHeaders = ['accept', 'content-type', 'authorization'];
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for (const [key, value] of request.headers.entries()) {
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if (allowedHeaders.includes(key.toLowerCase())) {
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headers.set(key, value);
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}
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}
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// 转发请求到目标API
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const response = await fetch(targetUrl, {
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method: request.method,
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headers: headers,
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body: request.body
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});
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// 设置安全相关的响应头
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const responseHeaders = new Headers(response.headers);
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responseHeaders.set('X-Content-Type-Options', 'nosniff');
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responseHeaders.set('X-Frame-Options', 'DENY');
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responseHeaders.set('Referrer-Policy', 'no-referrer');
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// 返回API响应
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return new Response(response.body, {
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status: response.status,
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headers: responseHeaders
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});
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} catch (error) {
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// 处理请求错误
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console.error('Failed to fetch:', error);
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return new Response('Internal Server Error', { status: 500 });
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}
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});
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/**
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* 从路径中提取API前缀和剩余部分
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* @param {string} pathname - 请求路径
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* @param {string[]} prefixes - 可用的API前缀列表
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* @returns {[string|null, string|null]} - 返回匹配的前缀和剩余路径，如果没有匹配则返回[null, null]
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*/
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function extractPrefixAndRest(pathname, prefixes) {
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for (const prefix of prefixes) {
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if (pathname.startsWith(prefix)) {
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return [prefix, pathname.slice(prefix.length)];
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}
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}
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return [null, null];
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}
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