From c55f67ad58a28cbcd51e257b242537fc93e5e0ea Mon Sep 17 00:00:00 2001 From: MotorTruck1221 Date: Sun, 10 Mar 2024 03:34:28 -0600 Subject: [PATCH] Add BareTransport code --- index.html | 1 + public/transports/bareTransport.js | 586 +++++++++++++++++++++++++++++ 2 files changed, 587 insertions(+) create mode 100644 public/transports/bareTransport.js diff --git a/index.html b/index.html index 1d5175a..df42369 100644 --- a/index.html +++ b/index.html @@ -5,6 +5,7 @@ + diff --git a/public/transports/bareTransport.js b/public/transports/bareTransport.js new file mode 100644 index 0000000..3755893 --- /dev/null +++ b/public/transports/bareTransport.js @@ -0,0 +1,586 @@ +//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 = 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