stjet/matrix-discord-bridge-bot
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

cursed webhooks for discord sending

Browse Source
This commit is contained in:
stjet
2026-02-11 07:40:03 +00:00
parent 7ac0414e30
commit a3446ff088
1 changed files with 32 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
index.ts
View File

@@ -1,4 +1,4 @@
import { readFileSync } from "fs"; import { appendFileSync, readFileSync } from "fs";
import * as discord from "discord.js"; import * as discord from "discord.js";
import * as matrix from "matrix-js-sdk"; import * as matrix from "matrix-js-sdk";
@@ -31,21 +31,48 @@ matrix_client.startClient({ initialSyncLimit: 0 });
//discord //discord
discord_client.on("messageCreate", async (message) => { discord_client.on("messageCreate", async (message) => {
if (!MAPPING[message.channelId] || message.author.id === discord_client.user.id) return; if (!MAPPING[message.channelId] || message.author.id === discord_client.user.id || (message.webhookId && (await message.fetchWebhook()).name === "Matrix Bridge")) return;
await matrix_client.sendEvent(MAPPING[message.channelId], matrix.EventType.RoomMessage, { const channel_id = message.channelId;
let attachments = "";
for (const [_, a] of message.attachments) {
attachments += "\n" + a.url;
}
await matrix_client.sendEvent(MAPPING[channel_id], matrix.EventType.RoomMessage, {
msgtype: matrix.MsgType.Text, msgtype: matrix.MsgType.Text,
format: "org.matrix.custom.html", format: "org.matrix.custom.html",
body: `${message.author.tag}: ${message.content}`, body: `${message.author.tag}: ${message.content}`,
formatted_body: `<strong>${message.author.tag}:</strong> ${message.content}`, formatted_body: `<strong>${message.author.tag}:</strong> ${message.content}${attachments}`,
}); });
}); });
//matrix //matrix
//authenticated media must be bypassed, see https://blog.kimiblock.top/2024/11/23/bypassing-auth-media/index.html
matrix_client.on(matrix.RoomEvent.Timeline, async (event, room) => { matrix_client.on(matrix.RoomEvent.Timeline, async (event, room) => {
if (event.getType() !== "m.room.message") return; if (event.getType() !== "m.room.message") return;
const { sender, content, room_id } = event.event; const { sender, content, room_id } = event.event;
if (!MAPPING[room_id] || sender === process.env.MATRIX_USER) return; if (!MAPPING[room_id] || sender === process.env.MATRIX_USER) return;
await (await discord_client.channels.fetch(MAPPING[room_id]) as discord.TextChannel).send(`**${sender}:** ${content.body}`); const channel_id = MAPPING[room_id];
let webhook_id = process.env[`webhookid_${channel_id}`];
let webhook_token = process.env[`webhooktoken_${channel_id}`];
if (!webhook_id || !webhook_token) {
console.log("Creating new webhook");
const webhook = await (await discord_client.channels.fetch(MAPPING[room_id]) as discord.TextChannel).createWebhook({
name: "Matrix Bridge",
});
webhook_id = webhook.id;
process.env[`webhookid_${channel_id}`] = webhook_id;
webhook_token = webhook.token;
process.env[`webhooktoken_${channel_id}`] = webhook_token;
appendFileSync(".env", `\nwebhookid_${channel_id}=${webhook_id}\nwebhooktoken_${channel_id}=${webhook_token}`);
}
const webhook_client = new discord.WebhookClient({ id: webhook_id, token: webhook_token });
await webhook_client.send({
content: content.body,
username: sender,
avatarURL: event.sender.getAvatarUrl(matrix_client.getHomeserverUrl(), 128, 128, "crop", true, false).replace("media/v3", "client/v1/media"),
});
//
//await (await discord_client.channels.fetch(channel_id) as discord.TextChannel).send(`**${sender}:** ${content.body}`);
}); });