Add websocket for invitation link requests
This commit is contained in:
smartfrigde
parent
bac604a7cc
commit
3d0fd7071b
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@ -11,12 +11,13 @@
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"license": "OSL-3.0",
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"dependencies": {
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"electron-context-menu": "^3.1.2",
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"electron-tabs": "^0.17.0",
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"v8-compile-cache": "^2.3.0"
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"v8-compile-cache": "^2.3.0",
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"ws": "^8.5.0"
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},
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"devDependencies": {
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"@types/electron-json-storage": "^4.5.0",
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"@types/node": "^17.0.24",
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"@types/ws": "^8.5.3",
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"copyfiles": "^2.4.1",
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"electron": "^18.0.4",
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"electron-builder": "^22.5.1",
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@ -121,6 +122,15 @@
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"integrity": "sha512-aveCYRQbgTH9Pssp1voEP7HiuWlD2jW2BO56w+bVrJn04i61yh6mRfoKO6hEYQD9vF+W8Chkwc6j1M36uPkx4g==",
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"dev": true
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},
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"node_modules/@types/ws": {
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"version": "8.5.3",
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"resolved": "https://registry.npmjs.org/@types/ws/-/ws-8.5.3.tgz",
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"integrity": "sha512-6YOoWjruKj1uLf3INHH7D3qTXwFfEsg1kf3c0uDdSBJwfa/llkwIjrAGV7j7mVgGNbzTQ3HiHKKDXl6bJPD97w==",
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"dev": true,
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"dependencies": {
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"@types/node": "*"
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}
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},
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"node_modules/@types/yargs": {
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"version": "15.0.14",
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"resolved": "https://registry.npmjs.org/@types/yargs/-/yargs-15.0.14.tgz",
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@ -1119,11 +1129,6 @@
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"node": ">= 10.0.0"
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}
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},
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"node_modules/electron-tabs": {
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"version": "0.17.0",
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"resolved": "https://registry.npmjs.org/electron-tabs/-/electron-tabs-0.17.0.tgz",
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"integrity": "sha512-jFv6WOeumSR5q2Cf6WOghE7CTdxPB0mSuPw8dGwz1OAG8MJMQn/kd/ghmvRPwoOYK77v4d9YligqjXIQc2oPcg=="
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},
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"node_modules/electron/node_modules/@types/node": {
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"version": "16.11.26",
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"resolved": "https://registry.npmjs.org/@types/node/-/node-16.11.26.tgz",
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@ -2907,6 +2912,26 @@
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"integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
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"dev": true
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},
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"node_modules/ws": {
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"version": "8.5.0",
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"resolved": "https://registry.npmjs.org/ws/-/ws-8.5.0.tgz",
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"integrity": "sha512-BWX0SWVgLPzYwF8lTzEy1egjhS4S4OEAHfsO8o65WOVsrnSRGaSiUaa9e0ggGlkMTtBlmOpEXiie9RUcBO86qg==",
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"engines": {
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"node": ">=10.0.0"
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},
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"peerDependencies": {
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"bufferutil": "^4.0.1",
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"utf-8-validate": "^5.0.2"
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},
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"peerDependenciesMeta": {
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"bufferutil": {
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"optional": true
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},
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"utf-8-validate": {
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"optional": true
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}
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}
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},
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"node_modules/xdg-basedir": {
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"version": "4.0.0",
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"resolved": "https://registry.npmjs.org/xdg-basedir/-/xdg-basedir-4.0.0.tgz",
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@ -3057,6 +3082,15 @@
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"integrity": "sha512-aveCYRQbgTH9Pssp1voEP7HiuWlD2jW2BO56w+bVrJn04i61yh6mRfoKO6hEYQD9vF+W8Chkwc6j1M36uPkx4g==",
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"dev": true
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},
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"@types/ws": {
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"version": "8.5.3",
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"resolved": "https://registry.npmjs.org/@types/ws/-/ws-8.5.3.tgz",
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"integrity": "sha512-6YOoWjruKj1uLf3INHH7D3qTXwFfEsg1kf3c0uDdSBJwfa/llkwIjrAGV7j7mVgGNbzTQ3HiHKKDXl6bJPD97w==",
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"dev": true,
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"requires": {
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"@types/node": "*"
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}
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},
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"@types/yargs": {
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"version": "15.0.14",
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"resolved": "https://registry.npmjs.org/@types/yargs/-/yargs-15.0.14.tgz",
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@ -3885,11 +3919,6 @@
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}
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}
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},
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"electron-tabs": {
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"version": "0.17.0",
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"resolved": "https://registry.npmjs.org/electron-tabs/-/electron-tabs-0.17.0.tgz",
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"integrity": "sha512-jFv6WOeumSR5q2Cf6WOghE7CTdxPB0mSuPw8dGwz1OAG8MJMQn/kd/ghmvRPwoOYK77v4d9YligqjXIQc2oPcg=="
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},
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"emoji-regex": {
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"version": "8.0.0",
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"resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz",
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@ -5285,6 +5314,12 @@
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"integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
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"dev": true
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},
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"ws": {
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"version": "8.5.0",
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"resolved": "https://registry.npmjs.org/ws/-/ws-8.5.0.tgz",
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"integrity": "sha512-BWX0SWVgLPzYwF8lTzEy1egjhS4S4OEAHfsO8o65WOVsrnSRGaSiUaa9e0ggGlkMTtBlmOpEXiie9RUcBO86qg==",
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"requires": {}
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},
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"xdg-basedir": {
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"version": "4.0.0",
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"resolved": "https://registry.npmjs.org/xdg-basedir/-/xdg-basedir-4.0.0.tgz",
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@ -24,6 +24,7 @@
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"devDependencies": {
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"@types/electron-json-storage": "^4.5.0",
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"@types/node": "^17.0.24",
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"@types/ws": "^8.5.3",
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"copyfiles": "^2.4.1",
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"electron": "^18.0.4",
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"electron-builder": "^22.5.1",
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@ -33,8 +34,8 @@
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},
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"dependencies": {
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"electron-context-menu": "^3.1.2",
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"electron-tabs": "^0.17.0",
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"v8-compile-cache": "^2.3.0"
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"v8-compile-cache": "^2.3.0",
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"ws": "^8.5.0"
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},
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"build": {
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"appId": "com.smartfridge.armcord",
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@ -0,0 +1,179 @@
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// MIT License
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// Copyright (c) 2020-2022 Dawid Papiewski "SpacingBat3"
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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import type {Server, WebSocket} from "ws";
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import {inviteWindow, createInviteWindow} from "./window";
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async function wsLog(message: string, ...args: unknown[]) {
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console.log("WebSocket" + +message, ...args);
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}
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/** Generates an inclusive range (as `Array`) from `start` to `end`. */
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function range(start: number, end: number) {
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return Array.from({length: end - start + 1}, (_v, k) => start + k);
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}
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interface InviteResponse {
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/** Response type/command. */
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cmd: "INVITE_BROWSER";
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/** Response arguments. */
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args: {
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/** An invitation code. */
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code: string;
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};
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/** Nonce indentifying the communication. */
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nonce: string;
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}
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function isInviteResponse(data: unknown): data is InviteResponse {
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if (!(data instanceof Object)) return false;
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if ((data as Partial<InviteResponse>)?.cmd !== "INVITE_BROWSER") return false;
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if (typeof (data as Partial<InviteResponse>)?.args?.code !== "string") return false;
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if (typeof (data as Partial<InviteResponse>)?.nonce !== "string") return false;
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return true;
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}
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const messages = {
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/**
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* A fake, hard-coded Discord command to spoof the presence of
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* official Discord client (which makes browser to actually start a
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* communication with the ArmCord).
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*/
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handShake: {
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/** Message command. */
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cmd: "DISPATCH",
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/** Message data. */
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data: {
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/** Message scheme version. */
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v: 1,
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/** Client properties. */
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config: {
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/** Discord CDN host (hard-coded for `dicscord.com` instance). */
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cdn_host: "cdn.discordapp.com",
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/** API endpoint (hard-coded for `dicscord.com` instance). */
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api_endpoint: "//discord.com/api",
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/** Client type. Can be (probably) `production` or `canary`. */
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environment: "production"
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}
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},
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evt: "READY",
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nonce: null
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}
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};
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/**
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* Tries to reserve the server at given port.
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*
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* @returns `Promise`, which always resolves (either to `Server<WebSocket>` on
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* success or `null` on failure).
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*/
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async function getServer(port: number) {
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const {WebSocketServer} = await import("ws");
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return new Promise<Server<WebSocket> | null>((resolve) => {
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const wss = new WebSocketServer({host: "127.0.0.1", port});
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wss.once("listening", () => resolve(wss));
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wss.once("error", () => resolve(null));
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});
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}
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/**
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* Tries to start a WebSocket server at given port range. If it suceed, it will
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* listen to the browser requests which are meant to be sent to official
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* Discord client.
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*
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* Currently it supports only the invitation link requests.
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*
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*/
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export default async function startServer() {
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function isJsonSyntaxCorrect(string: string) {
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try {
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JSON.parse(string);
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} catch {
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return false;
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}
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return true;
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}
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/** Known Discord instances, including the official ones. */
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const knownInstancesList = [
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["Discord", new URL("https://discord.com/app")],
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["Discord Canary", new URL("https://canary.discord.com/app")],
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["Discord PTB", new URL("https://ptb.discord.com/app")],
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["Fosscord", new URL("https://dev.fosscord.com/app")]
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] as const;
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let wss = null, wsPort = 6463;
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for(const port of range(6463, 6472)) {
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wss = await getServer(port);
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if(wss !== null) {
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void wsLog("ArmCord is listening at " + (port.toString()));
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wsPort = port;
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break;
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}
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}
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if(wss === null) return;
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let lock = false;
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wss.on('connection', (wss, request) => {
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const origin = request.headers.origin??'https://discord.com';
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let known = false;
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for(const instance of knownInstancesList) {
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if(instance[1].origin === origin)
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known = true;
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}
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if(!known) return;
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wss.send(JSON.stringify(messages.handShake));
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wss.once('message', (data, isBinary) => {
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if(lock) return;
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lock = true;
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let parsedData:unknown = data;
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if(!isBinary)
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parsedData = data.toString();
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if(isJsonSyntaxCorrect(parsedData as string))
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parsedData = JSON.parse(parsedData as string);
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if(isInviteResponse(parsedData)) {
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// Replies to browser, so it finds the communication successful.
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wss.send(JSON.stringify({
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cmd: parsedData.cmd,
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data: {
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invite: null,
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code: parsedData.args.code
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},
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evt: null,
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nonce: parsedData.nonce
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}));
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createInviteWindow()
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const child = inviteWindow;
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if(child === undefined) return;
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void child.loadURL(origin+'/invite/'+parsedData.args.code);
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child.webContents.once("did-finish-load", () => {
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child.show();
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});
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child.webContents.once("will-navigate", () => {
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lock = false;
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child.close();
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})
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// Blocks requests to ArmCord's WS, to prevent loops.
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child.webContents.session.webRequest.onBeforeRequest({
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urls: ['ws://127.0.0.1:'+wsPort.toString()+'/*']
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}, (_details,callback) => callback({cancel: true}));
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}
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})
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})
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}
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@ -6,9 +6,10 @@ import {BrowserWindow, shell, app, ipcMain, dialog} from "electron";
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import path from "path";
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import {checkIfConfigIsBroken, firstRun, getConfig, contentPath} from "./utils";
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import {registerIpc} from "./ipc";
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import startServer from "./socket"
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import contextMenu from "electron-context-menu";
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export let mainWindow: BrowserWindow;
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export let inviteWindow: BrowserWindow;
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let guestWindows: BrowserWindow[] = [];
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contextMenu({
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showSaveImageAs: true,
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@ -39,6 +40,7 @@ function doAfterDefiningTheWindow() {
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}
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});
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console.log(contentPath);
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startServer()
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try {
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mainWindow.loadFile(contentPath);
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} catch (e) {
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@ -165,3 +167,18 @@ export function createTabsGuest(number: number) {
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guestWindows[number].loadURL("https://discord.com/app");
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}
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}
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export function createInviteWindow() {
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inviteWindow = new BrowserWindow({
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width: 800,
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height: 600,
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title: "ArmCord Invite Manager",
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darkTheme: true,
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icon: path.join(__dirname, "/assets/icon_transparent.png"),
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frame: true,
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autoHideMenuBar: true,
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webPreferences: {
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spellcheck: true
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}
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});
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inviteWindow.hide()
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}
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