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Holy-Unblocker/views/assets/js/bareTransport.js
QuiteAFancyEmerald e2e3317b90 added new transports server side
2024-07-16 22:08:51 -07:00

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//Built from: https://github.com/motortruck1221/bare-as-module3 (commit: 36759f801e0009027878edecff156408b06404c6)
(function (global, factory) {
typeof exports === "object" && typeof module !== "undefined"
? factory(exports)
: typeof define === "function" && define.amd
? define(["exports"], factory)
: ((global =
typeof globalThis !== "undefined" ? globalThis : global || self),
factory((global.BareMod = {})));
})(this, function (exports) {
"use strict";
// The user likely has overwritten all networking functions after importing bare-client
// It is our responsibility to make sure components of Bare-Client are using native networking functions
// These exports are provided to plugins by @rollup/plugin-inject
const fetch = globalThis.fetch;
const WebSocket = globalThis.WebSocket;
const WebSocketFields = {
prototype: {
send: WebSocket.prototype.send
},
CLOSED: WebSocket.CLOSED,
CLOSING: WebSocket.CLOSING,
CONNECTING: WebSocket.CONNECTING,
OPEN: WebSocket.OPEN
};
class BareError extends Error {
status;
body;
constructor(status, body) {
super(body.message || body.code);
this.status = status;
this.body = body;
}
}
class Client {
base;
/**
*
* @param version Version provided by extension
* @param server Bare Server URL provided by BareClient
*/
constructor(version, server) {
this.base = new URL(`./v${version}/`, server);
}
}
/*
* JavaScript MD5
* Adopted from https://github.com/blueimp/JavaScript-MD5
*
* Copyright 2011, Sebastian Tschan
* https://blueimp.net
*
* Licensed under the MIT license:
* https://opensource.org/licenses/MIT
*
* Based on
* A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
* Digest Algorithm, as defined in RFC 1321.
* Version 2.2 Copyright (C) Paul Johnston 1999 - 2009
* Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
* Distributed under the BSD License
* See http://pajhome.org.uk/crypt/md5 for more info.
*/
/**
* Add integers, wrapping at 2^32.
* This uses 16-bit operations internally to work around bugs in interpreters.
*
* @param x First integer
* @param y Second integer
* @returns Sum
*/
function safeAdd(x, y) {
const lsw = (x & 0xffff) + (y & 0xffff);
const msw = (x >> 16) + (y >> 16) + (lsw >> 16);
return (msw << 16) | (lsw & 0xffff);
}
/**
* Bitwise rotate a 32-bit number to the left.
*
* @param num 32-bit number
* @param cnt Rotation count
* @returns Rotated number
*/
function bitRotateLeft(num, cnt) {
return (num << cnt) | (num >>> (32 - cnt));
}
/**
* Basic operation the algorithm uses.
*
* @param q q
* @param a a
* @param b b
* @param x x
* @param s s
* @param t t
* @returns Result
*/
function md5cmn(q, a, b, x, s, t) {
return safeAdd(bitRotateLeft(safeAdd(safeAdd(a, q), safeAdd(x, t)), s), b);
}
/**
* Basic operation the algorithm uses.
*
* @param a a
* @param b b
* @param c c
* @param d d
* @param x x
* @param s s
* @param t t
* @returns Result
*/
function md5ff(a, b, c, d, x, s, t) {
return md5cmn((b & c) | (~b & d), a, b, x, s, t);
}
/**
* Basic operation the algorithm uses.
*
* @param a a
* @param b b
* @param c c
* @param d d
* @param x x
* @param s s
* @param t t
* @returns Result
*/
function md5gg(a, b, c, d, x, s, t) {
return md5cmn((b & d) | (c & ~d), a, b, x, s, t);
}
/**
* Basic operation the algorithm uses.
*
* @param a a
* @param b b
* @param c c
* @param d d
* @param x x
* @param s s
* @param t t
* @returns Result
*/
function md5hh(a, b, c, d, x, s, t) {
return md5cmn(b ^ c ^ d, a, b, x, s, t);
}
/**
* Basic operation the algorithm uses.
*
* @param a a
* @param b b
* @param c c
* @param d d
* @param x x
* @param s s
* @param t t
* @returns Result
*/
function md5ii(a, b, c, d, x, s, t) {
return md5cmn(c ^ (b | ~d), a, b, x, s, t);
}
/**
* Calculate the MD5 of an array of little-endian words, and a bit length.
*
* @param x Array of little-endian words
* @param len Bit length
* @returns MD5 Array
*/
function binlMD5(x, len) {
/* append padding */
x[len >> 5] |= 0x80 << len % 32;
x[(((len + 64) >>> 9) << 4) + 14] = len;
let a = 1732584193;
let b = -271733879;
let c = -1732584194;
let d = 271733878;
for (let i = 0; i < x.length; i += 16) {
const olda = a;
const oldb = b;
const oldc = c;
const oldd = d;
a = md5ff(a, b, c, d, x[i], 7, -680876936);
d = md5ff(d, a, b, c, x[i + 1], 12, -389564586);
c = md5ff(c, d, a, b, x[i + 2], 17, 606105819);
b = md5ff(b, c, d, a, x[i + 3], 22, -1044525330);
a = md5ff(a, b, c, d, x[i + 4], 7, -176418897);
d = md5ff(d, a, b, c, x[i + 5], 12, 1200080426);
c = md5ff(c, d, a, b, x[i + 6], 17, -1473231341);
b = md5ff(b, c, d, a, x[i + 7], 22, -45705983);
a = md5ff(a, b, c, d, x[i + 8], 7, 1770035416);
d = md5ff(d, a, b, c, x[i + 9], 12, -1958414417);
c = md5ff(c, d, a, b, x[i + 10], 17, -42063);
b = md5ff(b, c, d, a, x[i + 11], 22, -1990404162);
a = md5ff(a, b, c, d, x[i + 12], 7, 1804603682);
d = md5ff(d, a, b, c, x[i + 13], 12, -40341101);
c = md5ff(c, d, a, b, x[i + 14], 17, -1502002290);
b = md5ff(b, c, d, a, x[i + 15], 22, 1236535329);
a = md5gg(a, b, c, d, x[i + 1], 5, -165796510);
d = md5gg(d, a, b, c, x[i + 6], 9, -1069501632);
c = md5gg(c, d, a, b, x[i + 11], 14, 643717713);
b = md5gg(b, c, d, a, x[i], 20, -373897302);
a = md5gg(a, b, c, d, x[i + 5], 5, -701558691);
d = md5gg(d, a, b, c, x[i + 10], 9, 38016083);
c = md5gg(c, d, a, b, x[i + 15], 14, -660478335);
b = md5gg(b, c, d, a, x[i + 4], 20, -405537848);
a = md5gg(a, b, c, d, x[i + 9], 5, 568446438);
d = md5gg(d, a, b, c, x[i + 14], 9, -1019803690);
c = md5gg(c, d, a, b, x[i + 3], 14, -187363961);
b = md5gg(b, c, d, a, x[i + 8], 20, 1163531501);
a = md5gg(a, b, c, d, x[i + 13], 5, -1444681467);
d = md5gg(d, a, b, c, x[i + 2], 9, -51403784);
c = md5gg(c, d, a, b, x[i + 7], 14, 1735328473);
b = md5gg(b, c, d, a, x[i + 12], 20, -1926607734);
a = md5hh(a, b, c, d, x[i + 5], 4, -378558);
d = md5hh(d, a, b, c, x[i + 8], 11, -2022574463);
c = md5hh(c, d, a, b, x[i + 11], 16, 1839030562);
b = md5hh(b, c, d, a, x[i + 14], 23, -35309556);
a = md5hh(a, b, c, d, x[i + 1], 4, -1530992060);
d = md5hh(d, a, b, c, x[i + 4], 11, 1272893353);
c = md5hh(c, d, a, b, x[i + 7], 16, -155497632);
b = md5hh(b, c, d, a, x[i + 10], 23, -1094730640);
a = md5hh(a, b, c, d, x[i + 13], 4, 681279174);
d = md5hh(d, a, b, c, x[i], 11, -358537222);
c = md5hh(c, d, a, b, x[i + 3], 16, -722521979);
b = md5hh(b, c, d, a, x[i + 6], 23, 76029189);
a = md5hh(a, b, c, d, x[i + 9], 4, -640364487);
d = md5hh(d, a, b, c, x[i + 12], 11, -421815835);
c = md5hh(c, d, a, b, x[i + 15], 16, 530742520);
b = md5hh(b, c, d, a, x[i + 2], 23, -995338651);
a = md5ii(a, b, c, d, x[i], 6, -198630844);
d = md5ii(d, a, b, c, x[i + 7], 10, 1126891415);
c = md5ii(c, d, a, b, x[i + 14], 15, -1416354905);
b = md5ii(b, c, d, a, x[i + 5], 21, -57434055);
a = md5ii(a, b, c, d, x[i + 12], 6, 1700485571);
d = md5ii(d, a, b, c, x[i + 3], 10, -1894986606);
c = md5ii(c, d, a, b, x[i + 10], 15, -1051523);
b = md5ii(b, c, d, a, x[i + 1], 21, -2054922799);
a = md5ii(a, b, c, d, x[i + 8], 6, 1873313359);
d = md5ii(d, a, b, c, x[i + 15], 10, -30611744);
c = md5ii(c, d, a, b, x[i + 6], 15, -1560198380);
b = md5ii(b, c, d, a, x[i + 13], 21, 1309151649);
a = md5ii(a, b, c, d, x[i + 4], 6, -145523070);
d = md5ii(d, a, b, c, x[i + 11], 10, -1120210379);
c = md5ii(c, d, a, b, x[i + 2], 15, 718787259);
b = md5ii(b, c, d, a, x[i + 9], 21, -343485551);
a = safeAdd(a, olda);
b = safeAdd(b, oldb);
c = safeAdd(c, oldc);
d = safeAdd(d, oldd);
}
return [a, b, c, d];
}
/**
* Convert an array of little-endian words to a string
*
* @param input MD5 Array
* @returns MD5 string
*/
function binl2rstr(input) {
let output = "";
const length32 = input.length * 32;
for (let i = 0; i < length32; i += 8) {
output += String.fromCharCode((input[i >> 5] >>> i % 32) & 0xff);
}
return output;
}
/**
* Convert a raw string to an array of little-endian words
* Characters >255 have their high-byte silently ignored.
*
* @param input Raw input string
* @returns Array of little-endian words
*/
function rstr2binl(input) {
const output = [];
const outputLen = input.length >> 2;
for (let i = 0; i < outputLen; i += 1) {
output[i] = 0;
}
const length8 = input.length * 8;
for (let i = 0; i < length8; i += 8) {
output[i >> 5] |= (input.charCodeAt(i / 8) & 0xff) << i % 32;
}
return output;
}
/**
* Calculate the MD5 of a raw string
*
* @param s Input string
* @returns Raw MD5 string
*/
function rstrMD5(s) {
return binl2rstr(binlMD5(rstr2binl(s), s.length * 8));
}
/**
* Calculates the HMAC-MD5 of a key and some data (raw strings)
*
* @param key HMAC key
* @param data Raw input string
* @returns Raw MD5 string
*/
function rstrHMACMD5(key, data) {
let bkey = rstr2binl(key);
const ipad = [];
const opad = [];
if (bkey.length > 16) {
bkey = binlMD5(bkey, key.length * 8);
}
for (let i = 0; i < 16; i += 1) {
ipad[i] = bkey[i] ^ 0x36363636;
opad[i] = bkey[i] ^ 0x5c5c5c5c;
}
const hash = binlMD5(ipad.concat(rstr2binl(data)), 512 + data.length * 8);
return binl2rstr(binlMD5(opad.concat(hash), 512 + 128));
}
/**
* Convert a raw string to a hex string
*
* @param input Raw input string
* @returns Hex encoded string
*/
function rstr2hex(input) {
const hexTab = "0123456789abcdef";
let output = "";
for (let i = 0; i < input.length; i += 1) {
const x = input.charCodeAt(i);
output += hexTab.charAt((x >>> 4) & 0x0f) + hexTab.charAt(x & 0x0f);
}
return output;
}
/**
* Encode a string as UTF-8
*
* @param input Input string
* @returns UTF8 string
*/
function str2rstrUTF8(input) {
return unescape(encodeURIComponent(input));
}
/**
* Encodes input string as raw MD5 string
*
* @param s Input string
* @returns Raw MD5 string
*/
function rawMD5(s) {
return rstrMD5(str2rstrUTF8(s));
}
/**
* Encodes input string as Hex encoded string
*
* @param s Input string
* @returns Hex encoded string
*/
function hexMD5(s) {
return rstr2hex(rawMD5(s));
}
/**
* Calculates the raw HMAC-MD5 for the given key and data
*
* @param k HMAC key
* @param d Input string
* @returns Raw MD5 string
*/
function rawHMACMD5(k, d) {
return rstrHMACMD5(str2rstrUTF8(k), str2rstrUTF8(d));
}
/**
* Calculates the Hex encoded HMAC-MD5 for the given key and data
*
* @param k HMAC key
* @param d Input string
* @returns Raw MD5 string
*/
function hexHMACMD5(k, d) {
return rstr2hex(rawHMACMD5(k, d));
}
/**
* Calculates MD5 value for a given string.
* If a key is provided, calculates the HMAC-MD5 value.
* Returns a Hex encoded string unless the raw argument is given.
*
* @param string Input string
* @param key HMAC key
* @param raw Raw output switch
* @returns MD5 output
*/
function md5(string, key, raw) {
if (!key) {
if (!raw) {
return hexMD5(string);
}
return rawMD5(string);
}
if (!raw) {
return hexHMACMD5(key, string);
}
return rawHMACMD5(key, string);
}
const MAX_HEADER_VALUE = 3072;
/**
*
* Splits headers according to spec
* @param headers
* @returns Split headers
*/
function splitHeaders(headers) {
const output = new Headers(headers);
if (headers.has("x-bare-headers")) {
const value = headers.get("x-bare-headers");
if (value.length > MAX_HEADER_VALUE) {
output.delete("x-bare-headers");
let split = 0;
for (let i = 0; i < value.length; i += MAX_HEADER_VALUE) {
const part = value.slice(i, i + MAX_HEADER_VALUE);
const id = split++;
output.set(`x-bare-headers-${id}`, `;${part}`);
}
}
}
return output;
}
/**
* Joins headers according to spec
* @param headers
* @returns Joined headers
*/
function joinHeaders(headers) {
const output = new Headers(headers);
const prefix = "x-bare-headers";
if (headers.has(`${prefix}-0`)) {
const join = [];
for (const [header, value] of headers) {
if (!header.startsWith(prefix)) {
continue;
}
if (!value.startsWith(";")) {
throw new BareError(400, {
code: "INVALID_BARE_HEADER",
id: `request.headers.${header}`,
message: `Value didn't begin with semi-colon.`
});
}
const id = parseInt(header.slice(prefix.length + 1));
join[id] = value.slice(1);
output.delete(header);
}
output.set(prefix, join.join(""));
}
return output;
}
class ClientV3 extends Client {
ws;
http;
meta() {
return {};
}
constructor(server) {
super(3, server);
this.ws = new URL(this.base);
this.http = new URL(this.base);
if (this.ws.protocol === "https:") {
this.ws.protocol = "wss:";
} else {
this.ws.protocol = "ws:";
}
}
ready = true;
async init() {
this.ready = true;
}
connect(
url,
origin,
protocols,
requestHeaders,
onopen,
onmessage,
onclose,
onerror
) {
const ws = new WebSocket(this.ws);
const cleanup = () => {
ws.removeEventListener("close", closeListener);
ws.removeEventListener("message", messageListener);
};
const closeListener = () => {
cleanup();
};
const messageListener = (event) => {
cleanup();
// ws.binaryType is irrelevant when sending text
if (typeof event.data !== "string")
throw new TypeError(
"the first websocket message was not a text frame"
);
const message = JSON.parse(event.data);
// finally
if (message.type !== "open")
throw new TypeError("message was not of open type");
// onMeta({
// protocol: message.protocol,
// setCookies: message.setCookies,
// });
onopen(message.protocol);
// TODO
ws.addEventListener("message", (ev) => {
onmessage(ev.data);
});
};
ws.addEventListener("close", closeListener);
ws.addEventListener("message", messageListener);
// CONNECTED TO THE BARE SERVER, NOT THE REMOTE
ws.addEventListener(
"open",
(event) => {
// getRequestHeaders().then((headers:any) =>
WebSocketFields.prototype.send.call(
ws,
JSON.stringify({
type: "connect",
remote: url.toString(),
protocols,
headers: requestHeaders,
forwardHeaders: []
})
);
// );
},
// only block the open event once
{ once: true }
);
return ws.send.bind(ws);
}
async request(remote, method, body, headers, signal) {
const options = {
credentials: "omit",
method: method,
signal
};
if (body !== undefined) {
options.body = body;
}
options.headers = this.createBareHeaders(remote, headers);
const response = await fetch(
this.http + "?cache=" + md5(remote.toString()),
options
);
const readResponse = await this.readBareResponse(response);
// const result: Response & Partial<BareResponse> = new Response(
// statusEmpty.includes(readResponse.status!) ? undefined : response.body,
// {
// status: readResponse.status,
// statusText: readResponse.statusText ?? undefined,
// headers: new Headers(readResponse.headers as HeadersInit),
// }
// );
//
// result.rawHeaders = readResponse.headers;
// result.rawResponse = response;
return {
body: response.body,
headers: readResponse.headers,
status: readResponse.status,
statusText: readResponse.statusText
};
}
async readBareResponse(response) {
if (!response.ok) {
throw new BareError(response.status, await response.json());
}
const responseHeaders = joinHeaders(response.headers);
const result = {};
const xBareStatus = responseHeaders.get("x-bare-status");
if (xBareStatus !== null) result.status = parseInt(xBareStatus);
const xBareStatusText = responseHeaders.get("x-bare-status-text");
if (xBareStatusText !== null) result.statusText = xBareStatusText;
const xBareHeaders = responseHeaders.get("x-bare-headers");
if (xBareHeaders !== null) result.headers = JSON.parse(xBareHeaders);
return result;
}
createBareHeaders(
remote,
bareHeaders,
forwardHeaders = [],
passHeaders = [],
passStatus = []
) {
const headers = new Headers();
headers.set("x-bare-url", remote.toString());
headers.set("x-bare-headers", JSON.stringify(bareHeaders));
for (const header of forwardHeaders) {
headers.append("x-bare-forward-headers", header);
}
for (const header of passHeaders) {
headers.append("x-bare-pass-headers", header);
}
for (const status of passStatus) {
headers.append("x-bare-pass-status", status.toString());
}
splitHeaders(headers);
return headers;
}
}
exports.BareClient = ClientV3;
});
//# sourceMappingURL=bare.cjs.map
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