File size: 2,670 Bytes
fc115d5 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 | /**
* Cloudflare Worker - Binance Testnet Proxy
* Bypasses geo-restrictions by proxying requests through Cloudflare's edge network
*
* Deploy this to workers.cloudflare.com to get a proxy URL
*/
addEventListener('fetch', event => {
event.respondWith(handleRequest(event.request))
})
async function handleRequest(request) {
// Only allow specific origins (your HuggingFace Space)
const allowedOrigins = [
'https://chen4700-drl-trading-bot-dev.hf.space',
'https://chen4700-drl-trading-bot.hf.space',
'http://localhost:8501', // For local testing
'http://127.0.0.1:8501'
]
const origin = request.headers.get('Origin')
const corsHeaders = {
'Access-Control-Allow-Origin': origin && allowedOrigins.includes(origin) ? origin : allowedOrigins[0],
'Access-Control-Allow-Methods': 'GET, POST, PUT, DELETE, OPTIONS',
'Access-Control-Allow-Headers': 'Content-Type, X-MBX-APIKEY, Authorization',
'Access-Control-Max-Age': '86400',
}
// Handle CORS preflight
if (request.method === 'OPTIONS') {
return new Response(null, {
headers: corsHeaders
})
}
try {
const url = new URL(request.url)
// Extract the target path from the request
// Format: https://your-worker.workers.dev/api/v3/time
// Maps to: https://testnet.binance.vision/api/v3/time
const path = url.pathname + url.search
const targetUrl = `https://testnet.binance.vision${path}`
console.log(`Proxying: ${request.method} ${targetUrl}`)
// Build headers for Binance API
const headers = new Headers()
// Copy important headers from original request
const headersToForward = [
'X-MBX-APIKEY',
'Content-Type',
'User-Agent'
]
for (const header of headersToForward) {
const value = request.headers.get(header)
if (value) {
headers.set(header, value)
}
}
// Make request to Binance testnet
const response = await fetch(targetUrl, {
method: request.method,
headers: headers,
body: request.method !== 'GET' && request.method !== 'HEAD' ? request.body : undefined
})
// Clone response and add CORS headers
const newResponse = new Response(response.body, response)
// Add CORS headers to response
Object.keys(corsHeaders).forEach(key => {
newResponse.headers.set(key, corsHeaders[key])
})
return newResponse
} catch (error) {
return new Response(JSON.stringify({
error: 'Proxy error',
message: error.message,
stack: error.stack
}), {
status: 500,
headers: {
...corsHeaders,
'Content-Type': 'application/json'
}
})
}
}
|