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Encryptcord
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455
src/equicordplugins/encryptcord/index.tsx
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455
src/equicordplugins/encryptcord/index.tsx
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/*
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* Vencord, a Discord client mod
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* Copyright (c) 2024 Vendicated and contributors
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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import { addChatBarButton, ChatBarButton } from "@api/ChatButtons";
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import {
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ApplicationCommandInputType,
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ApplicationCommandOptionType,
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sendBotMessage,
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} from "@api/Commands";
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import * as DataStore from "@api/DataStore";
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import { addPreSendListener, removePreSendListener, SendListener } from "@api/MessageEvents";
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import { removeButton } from "@api/MessagePopover";
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import { Devs } from "@utils/constants";
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import { sleep } from "@utils/misc";
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import definePlugin from "@utils/types";
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import {
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FluxDispatcher, MessageActions,
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PrivateChannelsStore, RestAPI,
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SnowflakeUtils,
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useEffect, UserStore,
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UserUtils, useState,
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} from "@webpack/common";
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import { Message } from "discord-types/general";
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const CloudUpload = findLazy(m => m.prototype?.trackUploadFinished);
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import { getCurrentChannel } from "@utils/discord";
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import { findLazy } from "@webpack";
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import { decryptData, encryptData, formatPemKey, generateKeys } from "./rsa-utils";
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let enabled;
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let setEnabled;
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interface IMessageCreate {
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type: "MESSAGE_CREATE";
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optimistic: boolean;
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isPushNotification: boolean;
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channelId: string;
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message: Message;
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}
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const ChatBarIcon: ChatBarButton = ({ isMainChat }) => {
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[enabled, setEnabled] = useState(false);
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const [buttonDisabled, setButtonDisabled] = useState(false);
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useEffect(() => {
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const listener: SendListener = async (_, message) => {
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if (enabled) {
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const groupChannel = await DataStore.get("encryptcordChannelId");
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if (getCurrentChannel().id !== groupChannel) {
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sendBotMessage(getCurrentChannel().id, { content: `You must be in <#${groupChannel}> to send an encrypted message!\n> If you wish to send an unencrypted message, please click the button in the chatbar.` });
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message.content = "";
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return;
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}
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const trimmedMessage = message.content.trim();
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await MessageActions.receiveMessage(groupChannel, await createMessage(trimmedMessage, UserStore.getCurrentUser().id, groupChannel, 0));
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const encryptcordGroupMembers = await DataStore.get("encryptcordGroupMembers");
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const dmPromises = Object.keys(encryptcordGroupMembers).map(async memberId => {
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const groupMember = await UserUtils.getUser(memberId).catch(() => null);
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if (!groupMember) return;
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const encryptedMessage = await encryptData(encryptcordGroupMembers[memberId].key, trimmedMessage);
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const encryptedMessageString = JSON.stringify(encryptedMessage);
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await sendTempMessage(groupMember.id, encryptedMessageString, "message");
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});
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await Promise.all(dmPromises);
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message.content = "";
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}
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};
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addPreSendListener(listener);
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return () => void removePreSendListener(listener);
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}, [enabled]);
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if (!isMainChat) return null;
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return (
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<ChatBarButton
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tooltip={enabled ? "Send Unencrypted Messages" : "Send Encrypted Messages"}
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onClick={async () => {
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if (await DataStore.get("encryptcordGroup") === false || (await DataStore.get("encryptcordChannelId") !== getCurrentChannel().id)) {
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setButtonDisabled(true);
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await sendTempMessage(getCurrentChannel().id, "", `join\`\`\`\n${await DataStore.get("encryptcordPublicKey")}\`\`\``, false);
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sendBotMessage(getCurrentChannel().id, { content: `*Checking for any groups in this channel...*\n> If none is found, a new one will be created <t:${Math.floor(Date.now() / 1000) + 5}:R>\n> [Tip] You can do \`/encryptcord leave\` to leave a group` });
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await sleep(5000);
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if (await DataStore.get("encryptcordGroup") === true && (await DataStore.get("encryptcordChannelId") !== getCurrentChannel().id)) {
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sendBotMessage(getCurrentChannel().id, { content: "*Leaving current group...*" });
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await leave("", { channel: { id: await DataStore.get("encryptcordChannelId") } });
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} else if (await DataStore.get("encryptcordGroup") === true) {
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setButtonDisabled(false);
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return;
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}
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await startGroup("", { channel: { id: getCurrentChannel().id } });
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}
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setEnabled(!enabled);
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setButtonDisabled(false);
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}}
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buttonProps={{
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style: {
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transition: "transform 0.3s ease-in-out",
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transform: `rotate(${enabled ? 0 : 15}deg)`,
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},
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disabled: buttonDisabled
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}}
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>
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<svg
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width="24"
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height="24"
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viewBox="0 0 129 171"
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>
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{!enabled && <>
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<mask id="encordBarIcon">
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</mask>
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<path
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fill="currentColor"
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d="M128.93 149.231V74.907a21.142 21.142 0 00-6.195-15.1 21.165 21.165 0 00-15.101-6.195h-1.085V40.918A40.604 40.604 0 0042.214 8.065 40.602 40.602 0 0026.28 32.318h15.972a25.164 25.164 0 0128.043-15.94 25.166 25.166 0 0120.691 24.745v12.694H22.184A21.276 21.276 0 00.89 75.111v74.325a21.27 21.27 0 0013.143 19.679 21.273 21.273 0 008.152 1.615h85.388a21.455 21.455 0 0015.083-6.357 21.453 21.453 0 006.213-15.142h.062zm-63.888-15.765a21.296 21.296 0 01-15.058-36.352 21.296 21.296 0 0136.354 15.057 21.151 21.151 0 01-21.296 21.295z"
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/>
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</>
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}
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<path
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mask="url(#encordBarIcon)"
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fill="currentColor"
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d="M129.497 149.264V75.001a21.27 21.27 0 00-21.295-21.294h-3.072V41.012a41.079 41.079 0 00-1.024-8.6A40.62 40.62 0 0070.729 1.087 5.673 5.673 0 0168.886.88h-.204c-.615 0-1.23-.205-1.844-.205h-4.095A5.672 5.672 0 0060.9.881h-.204a5.672 5.672 0 00-1.843.205A40.627 40.627 0 0025.27 32.413h.205a41.092 41.092 0 00-1.024 8.6v12.694h-3.133A21.153 21.153 0 00.023 75v74.325a21.415 21.415 0 0021.296 21.294h87.231a21.336 21.336 0 0020.886-21.294l.061-.062zm-64.91-15.97a21.317 21.317 0 01-22.069-24.804 21.316 21.316 0 0142.34 3.509 21.355 21.355 0 01-20.272 21.295zm25.185-79.649H39.604V40.951a24.283 24.283 0 016.963-17.2 25.351 25.351 0 0116.79-7.78h2.663a25.31 25.31 0 0123.752 25.184v12.49z"
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/>
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</svg>
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</ChatBarButton>
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);
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};
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export default definePlugin({
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name: "Encryptcord",
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description: "End-to-end encryption in Discord!",
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authors: [Devs.Inbestigator],
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dependencies: ["CommandsAPI"],
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patches: [
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{
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find: "INTERACTION_APPLICATION_COMMAND_INVALID_VERSION",
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replacement: {
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match: /await\s.{1,2}\..{1,2}\.post\(\{url:.{1,2}\.ANM\.INTERACTIONS,body:(.),/g,
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replace: "await $self.interactionHandler($1);$&"
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}
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}
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],
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async interactionHandler(interaction) {
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const sender = await UserUtils.getUser(interaction.application_id).catch(() => null);
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if (!sender || (sender.bot === true && sender.id !== "1")) return;
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if (interaction.data.component_type !== 2) return;
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switch (interaction.data.custom_id) {
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case "removeFromSelf":
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await handleLeaving(sender.id, await DataStore.get("encryptcordGroupMembers") ?? {}, interaction.channel_id);
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await sendTempMessage(sender.id, "", "leaving");
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FluxDispatcher.dispatch({
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type: "MESSAGE_DELETE",
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channelId: interaction.channel_id,
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id: interaction.message_id,
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mlDeleted: true
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});
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break;
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case "createGroup":
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await leave("", { channel: { id: interaction.channel_id } });
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await startGroup("", { channel: { id: interaction.channel_id } });
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break;
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default:
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return;
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}
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},
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flux: {
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async MESSAGE_CREATE({ optimistic, type, message, channelId }: IMessageCreate) {
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if (optimistic || type !== "MESSAGE_CREATE") return;
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if (message.state === "SENDING") return;
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if (message.author.id === UserStore.getCurrentUser().id) return;
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if (!message.content) return;
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const encryptcordGroupMembers = await DataStore.get("encryptcordGroupMembers");
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if (!Object.keys(encryptcordGroupMembers).some(key => key === message.author.id)) {
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switch (message.content.toLowerCase().split("```")[0]) {
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case "groupdata":
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const response = await fetch(message.attachments[0].url);
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const groupdata = await response.json();
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await handleGroupData(groupdata);
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break;
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case "join":
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if (encryptcordGroupMembers[UserStore.getCurrentUser().id].child) return;
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if (!await DataStore.get("encryptcordGroup")) return;
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if (await DataStore.get("encryptcordChannelId") !== message.channel_id) return;
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const sender = await UserUtils.getUser(message.author.id).catch(() => null);
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if (!sender) return;
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const userKey = message.content.split("```")[1];
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await handleJoin(sender.id, userKey, encryptcordGroupMembers);
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break;
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default:
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break;
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}
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return;
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}
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const dmChannelId = await PrivateChannelsStore.getOrEnsurePrivateChannel(message.author.id);
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if (channelId !== dmChannelId) return;
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const sender = await UserUtils.getUser(message.author.id).catch(() => null);
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if (!sender) return;
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const groupChannel = await DataStore.get("encryptcordChannelId");
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switch (message.content.toLowerCase()) {
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case "leaving":
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handleLeaving(sender.id, encryptcordGroupMembers, groupChannel);
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break;
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case "message":
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const msgResponse = await fetch(message.attachments[0].url);
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const messagedata = await msgResponse.json();
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await handleMessage(messagedata, sender.id, groupChannel);
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break;
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case "groupdata":
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const response = await fetch(message.attachments[0].url);
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const groupdata = await response.json();
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await handleGroupData(groupdata);
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break;
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default:
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break;
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}
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},
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},
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commands: [
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{
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name: "encryptcord",
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description: "End-to-end encryption in Discord!",
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options: [
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{
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name: "leave",
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description: "Leave current group",
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options: [],
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type: ApplicationCommandOptionType.SUB_COMMAND,
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},
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{
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name: "data",
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description: "View your keys and current group members",
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options: [],
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type: ApplicationCommandOptionType.SUB_COMMAND,
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},
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],
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inputType: ApplicationCommandInputType.BUILT_IN,
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execute: (opts, ctx) => {
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switch (opts[0].name) {
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case "start":
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startGroup(opts[0].options, ctx);
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break;
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case "leave":
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leave(opts[0].options, ctx);
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break;
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case "data":
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data(opts[0].options, ctx);
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break;
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}
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},
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},
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],
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async start() {
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addChatBarButton("Encryptcord", ChatBarIcon);
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const pair = await generateKeys();
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await DataStore.set("encryptcordPublicKey", pair.publicKey);
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await DataStore.set("encryptcordPrivateKey", pair.privateKey);
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if (await DataStore.get("encryptcordGroup") === true) {
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await leave("", { channel: { id: await DataStore.get("encryptcordChannelId") } });
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}
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await DataStore.set("encryptcordGroup", false);
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await DataStore.set("encryptcordChannelId", "");
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await DataStore.set("encryptcordGroupMembers", {});
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},
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async stop() {
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removeButton("Encryptcord");
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if (await DataStore.get("encryptcordGroup") === true) {
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await leave("", { channel: { id: await DataStore.get("encryptcordChannelId") } });
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}
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},
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});
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// Send Temporary Message
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async function sendTempMessage(recipientId: string, attachment: string, content: string, dm: boolean = true) {
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if (recipientId === UserStore.getCurrentUser().id) return;
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const channelId = dm ? await PrivateChannelsStore.getOrEnsurePrivateChannel(recipientId) : recipientId;
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if (attachment && attachment !== "") {
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const upload = await new CloudUpload({
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file: new File([new Blob([attachment])], "file.text", { type: "text/plain; charset=utf-8" }),
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isClip: false,
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isThumbnail: false,
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platform: 1,
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}, channelId, false, 0);
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upload.on("complete", async () => {
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const messageId = await RestAPI.post({
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url: `/channels/${channelId}/messages`,
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body: {
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content,
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attachments: [{
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id: "0",
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filename: upload.filename,
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uploaded_filename: upload.uploadedFilename,
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}],
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nonce: SnowflakeUtils.fromTimestamp(Date.now()),
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},
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}).then(response => response.body.id);
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await sleep(500);
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MessageActions.deleteMessage(channelId, messageId);
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});
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await upload.upload();
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return;
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}
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const messageId = await RestAPI.post({
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url: `/channels/${channelId}/messages`,
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body: {
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content,
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nonce: SnowflakeUtils.fromTimestamp(Date.now()),
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},
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}).then(response => response.body.id);
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await sleep(500);
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MessageActions.deleteMessage(channelId, messageId);
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}
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// Handle leaving group
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async function handleLeaving(senderId: string, encryptcordGroupMembers: object, groupChannel: string) {
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const updatedMembers = Object.keys(encryptcordGroupMembers).reduce((result, memberId) => {
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if (memberId !== senderId) {
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result[memberId] = encryptcordGroupMembers[memberId];
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if (result[memberId].child === senderId) {
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result[memberId].child = encryptcordGroupMembers[senderId].child;
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}
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if (result[memberId].parent === senderId) {
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result[memberId].parent = encryptcordGroupMembers[senderId].parent;
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}
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}
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return result;
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}, {});
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await DataStore.set("encryptcordGroupMembers", updatedMembers);
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await MessageActions.receiveMessage(groupChannel, await createMessage("", senderId, groupChannel, 2));
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}
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// Handle receiving message
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async function handleMessage(message, senderId: string, groupChannel: string) {
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const decryptedMessage = await decryptData(await DataStore.get("encryptcordPrivateKey"), message);
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await MessageActions.receiveMessage(groupChannel, await createMessage(decryptedMessage, senderId, groupChannel, 0));
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}
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// Handle receiving group data
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async function handleGroupData(groupData) {
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await DataStore.set("encryptcordChannelId", groupData.channel);
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await DataStore.set("encryptcordGroupMembers", groupData.members);
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await DataStore.set("encryptcordGroup", true);
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await MessageActions.receiveMessage(groupData.channel, await createMessage("", UserStore.getCurrentUser().id, groupData.channel, 7));
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setEnabled(true);
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}
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// Handle joining group
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async function handleJoin(senderId: string, senderKey: string, encryptcordGroupMembers: object) {
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encryptcordGroupMembers[senderId] = { key: senderKey, parent: UserStore.getCurrentUser().id, child: null };
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encryptcordGroupMembers[UserStore.getCurrentUser().id].child = senderId;
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await DataStore.set("encryptcordGroupMembers", encryptcordGroupMembers);
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const groupChannel = await DataStore.get("encryptcordChannelId");
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const newMember = await UserUtils.getUser(senderId).catch(() => null);
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if (!newMember) return;
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const membersData = {};
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Object.entries(encryptcordGroupMembers)
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.forEach(([memberId, value]) => {
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membersData[memberId] = value;
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});
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const membersDataString = JSON.stringify({ members: membersData, channel: groupChannel });
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const dmPromises = Object.keys(encryptcordGroupMembers).map(async memberId => {
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const groupMember = await UserUtils.getUser(memberId).catch(() => null);
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if (!groupMember) return;
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await sendTempMessage(groupMember.id, membersDataString, "groupdata");
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});
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await Promise.all(dmPromises);
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await MessageActions.receiveMessage(groupChannel, {
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...await createMessage("", senderId, groupChannel, 7), components: [{
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type: 1,
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components: [{
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type: 2,
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style: 4,
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label: "I don't want to talk to you!",
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custom_id: "removeFromSelf"
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},
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{
|
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type: 2,
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style: 2,
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label: "(Other users can still send/receive messages to/from them)",
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disabled: true,
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custom_id: "encryptcord"
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}]
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}]
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});
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}
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// Create message for group
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async function createMessage(message: string, senderId: string, channelId: string, type: number) {
|
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const messageStart = sendBotMessage("", { channel_id: channelId, embeds: [] });
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const sender = await UserUtils.getUser(senderId).catch(() => null);
|
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if (!sender) return;
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return { ...messageStart, content: message, author: sender, type, flags: 0 };
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}
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// Start E2EE Group
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async function startGroup(opts, ctx) {
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const channelId = ctx.channel.id;
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await DataStore.set("encryptcordChannelId", channelId);
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await DataStore.set("encryptcordGroupMembers", {
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[UserStore.getCurrentUser().id]: { key: await DataStore.get("encryptcordPublicKey"), parent: null, child: null }
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});
|
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await DataStore.set("encryptcordGroup", true);
|
||||
sendBotMessage(channelId, { content: "Group created!\n> Other users can click the lock icon to join." });
|
||||
await MessageActions.receiveMessage(channelId, await createMessage("", UserStore.getCurrentUser().id, channelId, 7));
|
||||
setEnabled(true);
|
||||
}
|
||||
|
||||
// Leave the Group;
|
||||
async function leave(opts, ctx) {
|
||||
const channelId = ctx.channel.id;
|
||||
if (!(await DataStore.get("encryptcordGroup"))) {
|
||||
sendBotMessage(channelId, { content: "You're not in a group!" });
|
||||
return;
|
||||
}
|
||||
const user = UserStore.getCurrentUser();
|
||||
const encryptcordGroupMembers = await DataStore.get("encryptcordGroupMembers");
|
||||
|
||||
const dmPromises = Object.keys(encryptcordGroupMembers).map(async memberId => {
|
||||
const groupMember = await UserUtils.getUser(memberId).catch(() => null);
|
||||
if (!groupMember) return;
|
||||
await sendTempMessage(groupMember.id, "", "leaving");
|
||||
});
|
||||
|
||||
await Promise.all(dmPromises);
|
||||
await DataStore.set("encryptcordGroup", false);
|
||||
await DataStore.set("encryptcordChannelId", "");
|
||||
await DataStore.set("encryptcordGroupMembers", {});
|
||||
await MessageActions.receiveMessage(channelId, await createMessage("", user.id, channelId, 2));
|
||||
setEnabled(false);
|
||||
}
|
||||
|
||||
// View user data
|
||||
async function data(opts, ctx) {
|
||||
const channelId = ctx.channel.id;
|
||||
const encryptcordGroupMembers = await DataStore.get("encryptcordGroupMembers");
|
||||
const encryptcordPublicKey = await DataStore.get("encryptcordPublicKey");
|
||||
const encryptcordPrivateKey = await DataStore.get("encryptcordPrivateKey");
|
||||
const exportedPrivateKey = await crypto.subtle.exportKey("pkcs8", encryptcordPrivateKey);
|
||||
const groupMembers = Object.keys(encryptcordGroupMembers);
|
||||
sendBotMessage(channelId, {
|
||||
content: `## Public key:\n\`\`\`${encryptcordPublicKey}\`\`\`\n## Private key:\n||\`\`\`${formatPemKey(exportedPrivateKey, "private")}\`\`\`||*(DO **NOT** SHARE THIS)*\n## Group members:\n\`\`\`json\n${JSON.stringify(groupMembers)}\`\`\``
|
||||
});
|
||||
}
|
121
src/equicordplugins/encryptcord/rsa-utils.tsx
Normal file
121
src/equicordplugins/encryptcord/rsa-utils.tsx
Normal file
|
@ -0,0 +1,121 @@
|
|||
/*
|
||||
* Vencord, a Discord client mod
|
||||
* Copyright (c) 2024 Vendicated and contributors
|
||||
* SPDX-License-Identifier: GPL-3.0-or-later
|
||||
*/
|
||||
|
||||
export const generateKeys = async () => {
|
||||
const keyPair = await crypto.subtle.generateKey(
|
||||
{
|
||||
name: "RSA-OAEP",
|
||||
modulusLength: 4096,
|
||||
publicExponent: new Uint8Array([1, 0, 1]),
|
||||
hash: "SHA-256",
|
||||
},
|
||||
true,
|
||||
["encrypt", "decrypt"]
|
||||
);
|
||||
|
||||
const exportedPublicKey = await crypto.subtle.exportKey("spki", keyPair.publicKey);
|
||||
const publicKey = formatPemKey(exportedPublicKey, "public");
|
||||
|
||||
return { privateKey: keyPair.privateKey, publicKey };
|
||||
};
|
||||
|
||||
export const encryptData = async (pemPublicKey, data) => {
|
||||
const publicKey = await importPemPublicKey(pemPublicKey);
|
||||
|
||||
const chunkSize = 446;
|
||||
|
||||
const encryptedChunks: any[] = [];
|
||||
const encoder = new TextEncoder();
|
||||
|
||||
for (let i = 0; i < data.length; i += chunkSize) {
|
||||
const chunk = await data.substring(i, i + chunkSize);
|
||||
const encryptedChunk = await crypto.subtle.encrypt(
|
||||
{
|
||||
name: "RSA-OAEP",
|
||||
},
|
||||
publicKey,
|
||||
encoder.encode(chunk)
|
||||
);
|
||||
encryptedChunks.push(arrayBufferToBase64(encryptedChunk));
|
||||
}
|
||||
|
||||
return encryptedChunks;
|
||||
};
|
||||
|
||||
export const decryptData = async (privateKey, encArray) => {
|
||||
const decryptionPromises = encArray.map(async encStr => {
|
||||
const encBuffer = base64ToArrayBuffer(encStr);
|
||||
|
||||
const dec = await crypto.subtle.decrypt(
|
||||
{
|
||||
name: "RSA-OAEP",
|
||||
},
|
||||
privateKey,
|
||||
encBuffer
|
||||
);
|
||||
|
||||
return new TextDecoder().decode(dec);
|
||||
});
|
||||
|
||||
const decryptedMessages = await Promise.all(decryptionPromises);
|
||||
|
||||
return decryptedMessages.join("");
|
||||
};
|
||||
|
||||
// Helper functions
|
||||
const arrayBufferToBase64 = buffer => {
|
||||
const binary = String.fromCharCode(...new Uint8Array(buffer));
|
||||
return btoa(binary);
|
||||
};
|
||||
|
||||
const base64ToArrayBuffer = base64String => {
|
||||
const binaryString = atob(base64String);
|
||||
const { length } = binaryString;
|
||||
const buffer = new ArrayBuffer(length);
|
||||
const view = new Uint8Array(buffer);
|
||||
|
||||
for (let i = 0; i < length; i++) {
|
||||
view[i] = binaryString.charCodeAt(i);
|
||||
}
|
||||
|
||||
return buffer;
|
||||
};
|
||||
|
||||
export const formatPemKey = (keyData, type) => {
|
||||
const base64Key = arrayBufferToBase64(keyData);
|
||||
return `-----BEGIN ${type.toUpperCase()} KEY-----\n` + base64Key + `\n-----END ${type.toUpperCase()} KEY----- `;
|
||||
};
|
||||
|
||||
const importPemPublicKey = async pemKey => {
|
||||
try {
|
||||
const trimmedPemKey = pemKey.trim();
|
||||
|
||||
const keyBody = trimmedPemKey
|
||||
.replace("-----BEGIN PUBLIC KEY-----", "")
|
||||
.replace("-----END PUBLIC KEY-----", "");
|
||||
|
||||
const binaryDer = atob(keyBody);
|
||||
|
||||
const arrayBuffer = new Uint8Array(binaryDer.length);
|
||||
for (let i = 0; i < binaryDer.length; i++) {
|
||||
arrayBuffer[i] = binaryDer.charCodeAt(i);
|
||||
}
|
||||
|
||||
return await crypto.subtle.importKey(
|
||||
"spki",
|
||||
arrayBuffer,
|
||||
{
|
||||
name: "RSA-OAEP",
|
||||
hash: { name: "SHA-256" },
|
||||
},
|
||||
true,
|
||||
["encrypt"]
|
||||
);
|
||||
} catch (error) {
|
||||
console.error("Error importing PEM public key:", error);
|
||||
throw error;
|
||||
}
|
||||
};
|
Loading…
Reference in a new issue