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@cnjax
Created May 27, 2023 02:31
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Save cnjax/f38f52503a3b46fdd5b013ffb22c1fa9 to your computer and use it in GitHub Desktop.
thank all tg friends.
add new ip block
63.141.128.0/24
// ../node_modules/uuid/dist/esm-browser/regex.js
var regex_default = /^(?:[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}|00000000-0000-0000-0000-000000000000)$/i;
// ../node_modules/uuid/dist/esm-browser/validate.js
function validate(uuid) {
return typeof uuid === "string" && regex_default.test(uuid);
}
var validate_default = validate;
// ../node_modules/uuid/dist/esm-browser/stringify.js
var byteToHex = [];
for (let i = 0; i < 256; ++i) {
byteToHex.push((i + 256).toString(16).slice(1));
}
function unsafeStringify(arr, offset = 0) {
return (byteToHex[arr[offset + 0]] + byteToHex[arr[offset + 1]] + byteToHex[arr[offset + 2]] + byteToHex[arr[offset + 3]] + "-" + byteToHex[arr[offset + 4]] + byteToHex[arr[offset + 5]] + "-" + byteToHex[arr[offset + 6]] + byteToHex[arr[offset + 7]] + "-" + byteToHex[arr[offset + 8]] + byteToHex[arr[offset + 9]] + "-" + byteToHex[arr[offset + 10]] + byteToHex[arr[offset + 11]] + byteToHex[arr[offset + 12]] + byteToHex[arr[offset + 13]] + byteToHex[arr[offset + 14]] + byteToHex[arr[offset + 15]]).toLowerCase();
}
function stringify(arr, offset = 0) {
const uuid = unsafeStringify(arr, offset);
if (!validate_default(uuid)) {
throw TypeError("Stringified UUID is invalid");
}
return uuid;
}
var stringify_default = stringify;
// vless-js/lib/vless-js.ts
var WS_READY_STATE_OPEN = 1;
function makeReadableWebSocketStream(ws, earlyDataHeader, log) {
let readableStreamCancel = false;
return new ReadableStream({
start(controller) {
ws.addEventListener("message", async (e) => {
if (readableStreamCancel) {
return;
}
const vlessBuffer = e.data;
controller.enqueue(vlessBuffer);
});
ws.addEventListener("error", (e) => {
log("socket has error");
readableStreamCancel = true;
controller.error(e);
});
ws.addEventListener("close", () => {
try {
log("webSocket is close");
if (readableStreamCancel) {
return;
}
controller.close();
} catch (error2) {
log(`websocketStream can't close DUE to `, error2);
}
});
const {earlyData, error} = base64ToArrayBuffer(earlyDataHeader);
if (error) {
log(`earlyDataHeader has invaild base64`);
safeCloseWebSocket(ws);
return;
}
if (earlyData) {
controller.enqueue(earlyData);
}
},
pull(controller) {
},
cancel(reason) {
log(`websocketStream is cancel DUE to `, reason);
if (readableStreamCancel) {
return;
}
readableStreamCancel = true;
safeCloseWebSocket(ws);
}
});
}
function base64ToArrayBuffer(base64Str) {
if (!base64Str) {
return {error: null};
}
try {
base64Str = base64Str.replace(/-/g, "+").replace(/_/g, "/");
const decode = atob(base64Str);
const arryBuffer = Uint8Array.from(decode, (c) => c.charCodeAt(0));
return {earlyData: arryBuffer.buffer, error: null};
} catch (error) {
return {error};
}
}
function safeCloseWebSocket(socket) {
try {
if (socket.readyState === WS_READY_STATE_OPEN) {
socket.close();
}
} catch (error) {
console.error("safeCloseWebSocket error", error);
}
}
function processVlessHeader(vlessBuffer, userID) {
if (vlessBuffer.byteLength < 24) {
return {
hasError: true,
message: "invalid data"
};
}
const version = new Uint8Array(vlessBuffer.slice(0, 1));
let isValidUser = false;
let isUDP = false;
if (stringify_default(new Uint8Array(vlessBuffer.slice(1, 17))) === userID) {
isValidUser = true;
}
if (!isValidUser) {
return {
hasError: true,
message: "invalid user"
};
}
const optLength = new Uint8Array(vlessBuffer.slice(17, 18))[0];
const command = new Uint8Array(
vlessBuffer.slice(18 + optLength, 18 + optLength + 1)
)[0];
if (command === 1) {
} else if (command === 2) {
isUDP = true;
} else {
return {
hasError: true,
message: `command ${command} is not support, command 01-tcp,02-udp,03-mux`
};
}
const portIndex = 18 + optLength + 1;
const portBuffer = vlessBuffer.slice(portIndex, portIndex + 2);
const portRemote = new DataView(portBuffer).getInt16(0);
let addressIndex = portIndex + 2;
const addressBuffer = new Uint8Array(
vlessBuffer.slice(addressIndex, addressIndex + 1)
);
const addressType = addressBuffer[0];
let addressLength = 0;
let addressValueIndex = addressIndex + 1;
let addressValue = "";
switch (addressType) {
case 1:
addressLength = 4;
addressValue = new Uint8Array(
vlessBuffer.slice(addressValueIndex, addressValueIndex + addressLength)
).join(".");
break;
case 2:
addressLength = new Uint8Array(
vlessBuffer.slice(addressValueIndex, addressValueIndex + 1)
)[0];
addressValueIndex += 1;
addressValue = new TextDecoder().decode(
vlessBuffer.slice(addressValueIndex, addressValueIndex + addressLength)
);
break;
case 3:
addressLength = 16;
const dataView = new DataView(
vlessBuffer.slice(addressValueIndex, addressValueIndex + addressLength)
);
const ipv6 = [];
for (let i = 0; i < 8; i++) {
ipv6.push(dataView.getUint16(i * 2).toString(16));
}
addressValue = ipv6.join(":");
break;
default:
console.log(`invild addressType is ${addressType}`);
}
if (!addressValue) {
return {
hasError: true,
message: `addressValue is empty, addressType is ${addressType}`
};
}
return {
hasError: false,
addressType,
addressRemote: addressValue,
portRemote,
rawDataIndex: addressValueIndex + addressLength,
vlessVersion: version,
isUDP
};
}
// index.ts
import {connect} from "cloudflare:sockets";
// dns.ts
const doh = "https://cloudflare-dns.com/dns-query";
const dns = async (domain) => {
const aPromise = fetch(`${doh}?name=${domain}&type=A`, {
method: "GET",
headers: {
"Accept": "application/dns-json"
}
}).then(response => response.json());
const aaaaPromise = fetch(`${doh}?name=${domain}&type=AAAA`, {
method: "GET",
headers: {
"Accept": "application/dns-json"
}
}).then(response => response.json());
const [aResult, aaaaResult] = await Promise.all([aPromise, aaaaPromise]);
const aRecords = aResult && aResult.Answer && aResult.Answer.filter(record => record.type === 1).map(record => record.data);
const aaaaRecords = aaaaResult && aaaaResult.Answer && aaaaResult.Answer.filter(record => record.type === 28).map(record => record.data);
if (aRecords && aRecords.length > 0) {
for (const ip of aRecords) {
console.log("request v4 ip" + ip)
if (isCloudflareIP(ip)) {
console.log("in cloudflare request v4 ip" + ip)
return true;
}
}
}
if (aaaaRecords && aaaaRecords.length > 0) {
for (const ipv6 of aaaaRecords) {
console.log("request v6 ip:" + ipv6)
if (isCloudflareIPv6(ipv6)) {
console.log("in cloudflare,request v6 ip:" + ipv6)
return true;
}
}
}
return false;
};
const isCloudflareIP = (ip) => {
const subnets = [
"103.21.244.0/22",
"103.22.200.0/22",
"103.31.4.0/22",
"104.16.0.0/13",
"104.24.0.0/14",
"108.162.192.0/18",
"131.0.72.0/22",
"141.101.64.0/18",
"162.158.0.0/15",
"172.64.0.0/13",
"173.245.48.0/20",
"188.114.96.0/20",
"190.93.240.0/20",
"197.234.240.0/22",
"198.41.128.0/17",
"63.141.128.0/24"
];
const ipNum = ip.split(".").reduce((acc, cur) => (acc << 8) + parseInt(cur), 0);
for (const subnet of subnets) {
const [subnetAddr, maskBits] = subnet.split("/");
const subnetNum = subnetAddr.split(".").reduce((acc, cur) => (acc << 8) + parseInt(cur), 0);
const mask = ((1 << maskBits) - 1) << (32 - maskBits);
if ((ipNum & mask) === subnetNum) {
return true;
}
}
return false;
};
const isCloudflareIPv6 = (ip) => {
const subnets = [
"2400:cb00::/32",
"2606:4700::/32",
"2803:f800::/32",
"2405:b500::/32",
"2405:8100::/32",
"2a06:98c0::/29",
"2c0f:f248::/32"
];
const ipParts = ip.split(":").map(part => parseInt(part, 16));
for (const subnet of subnets) {
const [subnetAddr, maskBits] = subnet.split("/");
const subnetParts = subnetAddr.split(":").map(part => parseInt(part, 16));
const mask = ((1 << maskBits) - 1) << (128 - maskBits);
let match = true;
for (let i = 0; i < 8 && match; i++) {
if ((ipParts[i] & mask) !== subnetParts[i]) {
match = false;
}
}
if (match) {
return true;
}
}
return false;
};
// index.ts
var HTML404 = "emotional damage";
function delay2(ms) {
return new Promise((resolve, rej) => {
setTimeout(resolve, ms);
});
}
var workers_default = {
async fetch(request, env, ctx) {
let address = "";
let portWithRandomLog = "";
const userID = env.UUID || "624e79ad-0142-4eb1-ac51-e9dfc153d755";
const log = (info, event) => {
console.log(`[${address}:${portWithRandomLog}] ${info}`, event || "");
};
const upgradeHeader = request.headers.get("Upgrade");
if (!upgradeHeader || upgradeHeader !== "websocket") {
return new Response(HTML404, {
status: 404,
headers: new Headers({"Content-Type": "text/html"})
});
}
const webSocketPair = new WebSocketPair();
const [client, webSocket] = Object.values(webSocketPair);
const earlyDataHeader = request.headers.get("sec-websocket-protocol") || "";
let remoteSocket = null;
webSocket.accept();
const readableWebSocketStream = makeReadableWebSocketStream(
webSocket,
earlyDataHeader,
log
);
let vlessResponseHeader = new Uint8Array([0, 0]);
let remoteConnectionReadyResolve;
readableWebSocketStream.pipeTo(
new WritableStream({
async write(chunk, controller) {
if (remoteSocket) {
const writer2 = remoteSocket.writable.getWriter();
await writer2.write(chunk);
writer2.releaseLock();
return;
}
const {
hasError,
message,
portRemote,
addressType,
addressRemote,
rawDataIndex,
vlessVersion,
isUDP
} = processVlessHeader(chunk, userID);
address = addressRemote || "";
portWithRandomLog = `${portRemote} -- ${isUDP ? "udp " : "tcp "} `;
if (isUDP && portRemote != 53) {
controller.error("UDP proxy only enable for DNS which is port 53");
webSocket.close();
return;
}
if (hasError) {
controller.error(message);
webSocket.close();
return;
}
vlessResponseHeader = new Uint8Array([vlessVersion[0], 0]);
const rawClientData = chunk.slice(rawDataIndex);
let queryip = false;
log(`remote address:` + addressRemote);
if (addressType === 2) {
queryip = await dns(addressRemote);
if (queryip) {
console.log("query cloudflare ip result:" + queryip + " true will rewrite to 192.203.230.x")
}
}
remoteSocket = connect({
hostname: queryip ? "192.203.230." + Math.floor(Math.random() * 255) : addressRemote,
port: portRemote
});
log(`connected`);
const writer = remoteSocket.writable.getWriter();
await writer.write(rawClientData);
writer.releaseLock();
remoteConnectionReadyResolve(remoteSocket);
},
close() {
console.log(
`[${address}:${portWithRandomLog}] readableWebSocketStream is close`
);
},
abort(reason) {
console.log(
`[${address}:${portWithRandomLog}] readableWebSocketStream is abort`,
JSON.stringify(reason)
);
}
})
);
(async () => {
await new Promise((resolve) => remoteConnectionReadyResolve = resolve);
let count = 0;
remoteSocket.readable.pipeTo(
new WritableStream({
start() {
if (webSocket.readyState === WebSocket.READY_STATE_OPEN) {
webSocket.send(vlessResponseHeader);
}
},
async write(chunk, controller) {
if (webSocket.readyState === WebSocket.READY_STATE_OPEN) {
if (count++ > 2e4) {
await delay2(1);
}
webSocket.send(chunk);
} else {
controller.error(
"webSocket.readyState is not open, maybe close"
);
}
},
close() {
console.log(
`[${address}:${portWithRandomLog}] remoteConnection!.readable is close`
);
},
abort(reason) {
console.error(
`[${address}:${portWithRandomLog}] remoteConnection!.readable abort`,
reason
);
}
})
).catch((error) => {
console.error(
`[${address}:${portWithRandomLog}] processWebSocket has exception `,
error.stack || error
);
safeCloseWebSocket2(webSocket);
});
})();
return new Response(null, {
status: 101,
webSocket: client
});
}
};
function safeCloseWebSocket2(ws) {
try {
if (ws.readyState !== WebSocket.READY_STATE_CLOSED) {
ws.close();
}
} catch (error) {
console.error("safeCloseWebSocket error", error);
}
}
export {
workers_default as default
};
//# sourceMappingURL=index.js.map
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