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fengshows_proxy.js
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fengshows_proxy.js
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// Stream Proxy For https://github.com/woniuzfb/iptv
const VERSION = "0.1.0"
// Empty: flexible upstream domain, e.g. http://yourworker-domain.dev/PROXY_ENDPOINT/https://any.upstream-domain.com/upstream-path
// Not Empty: secure, fixed upstream domain, e.g. http://yourworker-domain.dev/PROXY_ENDPOINT/upstream-path
const UPSTREAM_DOMAIN = ""
// Effect if UPSTREAM_DOMAIN not empty
const UPSTREAM_HTTPS = false
// The endpoint you want the (CORS) reverse proxy to be on
const PROXY_ENDPOINT = "/proxy/"
// Countries and regions you wish to block from using your service
const BLOCK_REGIONS = []
// Only allow these regions
const ALLOW_REGIONS = []
// IP addresses you wish to block from using your service
const BLOCK_IPS = ["0.0.0.0", "127.0.0.1"]
// Only allow these IPs
const ALLOW_IPS = []
// Origin domains you wish to block from using your service
const BLOCK_ORIGINS = []
// Origin domains
const ALLOW_ORIGINS = []
// Upstream domains
const ALLOW_UPSTREAMS = ["api.fengshows.cn", "dis.fengshows.cn", "tlive.fengshows.cn", "hlive.fengshows.cn", "qlive.fengshows.cn"]
// Choose fengshows CDN: tlive, hlive, qlive
const FENGSHOWS_CDN = "tlive"
// delete request headers, such as "Origin", "Referer", "Cookie", "CF-IPCountry", "CF-Connecting-IP",
// "CF-Request-ID", "X-Real-IP", "X-Forwarded-For", "CF-Ray", "CF-Visitor", "X-Forwarded-Proto"
const DELETE_REQUEST_HEADERS = ["Origin", "Referer", "Cookie", "CF-IPCountry", "CF-Connecting-IP",
"CF-Request-ID", "X-Real-IP", "X-Forwarded-For", "CF-Ray", "CF-Visitor", "X-Forwarded-Proto"]
// set request header Origin to upstream
const SET_HEADER_ORIGIN = false
// The redirect mode to use: follow, error, manual
const REQUEST_REDIRECT = "manual"
const CORS_HEADERS = {
"Access-Control-Allow-Origin": "*",
"Access-Control-Allow-Methods": "GET,HEAD,POST,OPTIONS",
"Access-Control-Max-Age": "86400",
"Access-Control-Allow-Credentials": true,
}
const INDEX_PAGE = `
<!DOCTYPE html>
<html>
<body>
<h1>Stream Proxy For <a target="_blank" href="https://github.com/woniuzfb/iptv">IPTV</a></h1>
</body>
</html>`
async function rawHtmlResponse(html) {
return new Response(html, {
headers: {
"content-type": "text/html;charset=UTF-8",
},
})
}
async function handleRequest(request) {
const BLOCK_ACCESS_RESPONSE = new Response("Access denied", { status: 403 })
const BLOCK_REGION_RESPONSE = new Response("Region denied", { status: 403 })
const BLOCK_IP_RESPONSE = new Response("IP denied", { status: 403 })
const BLOCK_URL_RESPONSE = new Response("URL denied", { status: 403 })
const requestURL = new URL(request.url)
const endpoint = PROXY_ENDPOINT.substr(PROXY_ENDPOINT.length - 1) === "/" ? PROXY_ENDPOINT : PROXY_ENDPOINT + "/"
let upstream = requestURL.pathname.substr(endpoint.length) + requestURL.search
if (UPSTREAM_DOMAIN) {
upstream = (UPSTREAM_HTTPS ? "https://" : "http://") + UPSTREAM_DOMAIN + '/' + upstream
}
else if (upstream.substr(0,6) === "http:/") {
upstream = "http://" + upstream.substr(6)
}
else if (upstream.substr(0,7) === "https:/") {
upstream = "https://" + upstream.substr(7)
}
else {
return BLOCK_URL_RESPONSE
}
// for fengshows
if (!upstream.startsWith("https://api.")) {
upstream = "http://" + FENGSHOWS_CDN + upstream.substr(upstream.indexOf("."))
}
let upstreamURL
try {
upstreamURL = new URL(upstream)
}
catch (error) {
return BLOCK_URL_RESPONSE
}
if (!upstreamURL.hostname.match(/[a-z]/i)) {
return BLOCK_URL_RESPONSE
}
if (ALLOW_UPSTREAMS.length && !ALLOW_UPSTREAMS.includes(upstreamURL.hostname)) {
return BLOCK_URL_RESPONSE
}
let requestRegion = request.headers.get("CF-IPCountry")
const requestIP = request.headers.get("CF-Connecting-IP")
const requestOrigin = request.headers.get("Origin")
if (requestRegion) {
requestRegion = requestRegion.toUpperCase()
if (ALLOW_REGIONS.length && !ALLOW_REGIONS.includes(requestRegion)) {
return BLOCK_REGION_RESPONSE
}
else if (BLOCK_REGIONS.includes(requestRegion)) {
return BLOCK_REGION_RESPONSE
}
}
if (requestIP) {
if (ALLOW_IPS.length && !ALLOW_IPS.includes(requestIP)) {
return BLOCK_IP_RESPONSE
}
else if (BLOCK_IPS.includes(requestIP)) {
return BLOCK_IP_RESPONSE
}
}
if (requestOrigin) {
let requestOriginURL
try {
requestOriginURL = new URL(requestOrigin)
} catch (error) {
return BLOCK_ACCESS_RESPONSE
}
if (ALLOW_ORIGINS.length && !ALLOW_ORIGINS.includes(requestOriginURL.hostname)) {
return BLOCK_ACCESS_RESPONSE
}
else if (BLOCK_ORIGINS.includes(requestOriginURL.hostname)) {
return BLOCK_ACCESS_RESPONSE
}
}
const upstreamInit = {
method: request.method,
headers: request.headers,
redirect: REQUEST_REDIRECT,
}
const upstreamRequest = new Request(upstream, upstreamInit)
if (SET_HEADER_ORIGIN) {
upstreamRequest.headers.set("Origin", upstreamURL.origin)
}
DELETE_REQUEST_HEADERS.forEach(requestHeader => {
upstreamRequest.headers.delete(requestHeader)
})
const upstreamRequestCookieString = upstreamRequest.headers.get("Cookie")
let newCookiesNameString = upstreamURL.searchParams.get("newCookies") || ""
let newCookiesName
let newCookiesValue = []
if (newCookiesNameString) {
newCookiesName = newCookiesNameString.split(",")
let newCookieString = ""
for (let index = 0; index < newCookiesName.length; index++) {
const newCookieName = newCookiesName[index]
const newCookieValue = upstreamURL.searchParams.get(newCookieName)
newCookiesValue.push(newCookieValue)
newCookieString = (newCookieString ? newCookieString + "; " : "") + newCookieName + "=" + newCookieValue
upstreamURL.searchParams.delete(newCookieName)
}
upstreamRequest.headers.set("Cookie", (upstreamRequestCookieString ? upstreamRequestCookieString + "; " : "") + newCookieString)
upstreamURL.searchParams.delete("newCookies")
upstream = upstreamURL.href
}
const originalResponse = await fetch(upstream, upstreamRequest)
const contentType = originalResponse.headers.get("Content-Type") || ""
let location = originalResponse.headers.get("Location")
if (location) {
const locationURL = new URL(location)
const { host } = locationURL
if (!host.match(/[a-z]/i)) {
return new Response(location, originalResponse)
}
if (newCookiesNameString) {
for (let index = 0; index < newCookiesName.length; index++) {
const newCookieName = newCookiesName[index]
const newCookieValue = newCookiesValue[index]
if (!locationURL.searchParams.get(newCookieName)) {
locationURL.searchParams.append(newCookieName, newCookieValue)
}
}
}
const setCookieString = originalResponse.headers.get("Set-Cookie")
if (setCookieString) {
const setCookie = setCookieString.split(";")[0].trim()
const setCookiePair = setCookie.split("=", 2)
locationURL.searchParams.append(setCookiePair[0], setCookiePair[1])
newCookiesNameString = (newCookiesNameString ? newCookiesNameString + "," : "") + setCookiePair[0]
}
if (newCookiesNameString) {
locationURL.searchParams.append("newCookies", setCookiePair[0])
}
location = requestURL.origin + endpoint + locationURL.href
const response = new Response(originalResponse)
response.headers.set("Location", location)
return new Response(null, {
status: originalResponse.status,
headers: response.headers
})
}
let response
if (contentType.includes("video") || contentType.includes("stream") || contentType.includes("zip")) {
let { readable, writable } = new TransformStream()
originalResponse.body.pipeTo(writable)
response = new Response(readable, originalResponse)
}
else if (contentType.includes("application/json")) {
const body = JSON.stringify(await originalResponse.json())
response = new Response(body, originalResponse)
}
else {
const body = await originalResponse.text()
response = new Response(body, originalResponse)
}
if (requestOrigin) {
response.headers.set("Access-Control-Allow-Origin", requestOrigin)
}
response.headers.set("Access-Control-Allow-Credentials", true)
response.headers.append("Vary", "Origin")
return response
}
function handleOptions(request) {
const headers = request.headers
if (
headers.get("Origin") !== null &&
headers.get("Access-Control-Request-Method") !== null &&
headers.get("Access-Control-Request-Headers") !== null
){
const respHeaders = {
...CORS_HEADERS,
"Access-Control-Allow-Headers": headers.get("Access-Control-Request-Headers"),
}
return new Response(null, {
headers: respHeaders,
})
}
else {
return new Response(null, {
headers: {
Allow: "GET, HEAD, POST, OPTIONS",
},
})
}
}
addEventListener("fetch", event => {
const request = event.request
const requestURL = new URL(request.url)
if(requestURL.pathname.startsWith(PROXY_ENDPOINT)){
if (request.method === "OPTIONS") {
event.respondWith(handleOptions(request))
}
else if(
request.method === "GET" ||
request.method === "HEAD" ||
request.method === "POST"
){
event.respondWith(handleRequest(request))
}
else {
event.respondWith(
new Response(null, {
status: 405,
statusText: "Method Not Allowed",
}),
)
}
}
else {
event.respondWith(rawHtmlResponse(INDEX_PAGE))
}
})