support specific payload sizes via env var MAX_PAYLOAD_SIZE_MB

README.md

@@ -15,6 +15,8 @@ SESSION_SECRET=mysecret
 ALLOW_FREE_REGISTRATION=true
 UI_DEPLOYMENT_URL=http://localhost:3001
 WEBSOCKET_URL=ws://127.0.0.1:8912
+FILE_FOLDER=path/to/files/folder (will be created if it doesn't exist)
+MAX_PAYLOAD_SIZE_MB=10
 ```
 
 ## Windows

src/features/liveFeature.ts

@@ -13,7 +13,6 @@ import {ReceivableMessage} from "../models/receivableMessage";
 import Jimp from "jimp";
 import {UiChannel} from "../models/uiChannel";
 import {ChannelProcessor} from "./messaging/channelProcessor";
-import {hashSync} from "bcryptjs";
 import fs from "fs";
 import {WritableAttachment} from "../models/writableAttachment";
 
@@ -22,14 +21,17 @@ export class LiveFeature {
         app.get("/api/live/url", LiveEndpoints.getWebsocketEndpoint());
 
         const server = createServer(app);
+        const maxPayloadSizeMb = process.env.MAX_PAYLOAD_SIZE_MB ? parseInt(process.env.MAX_PAYLOAD_SIZE_MB) : 10;
         const wss = new WebSocketServer({
-            noServer: true
+            noServer: true,
+            maxPayload: maxPayloadSizeMb * 1024 * 1024
         } as ServerOptions);
 
         const clients = new Set<UserWebSocket>();
         wss.on("connection", (ws: any, info: { user: User }) => {
             ws.user = info.user;
             clients.add(ws);
+            ws.send(JSON.stringify({type: "maxPayloadSize", size: maxPayloadSizeMb}));
 
             ws.on("close", () => {
                 if (ws.user) {

updateDb.sql

@@ -159,7 +159,7 @@ create table if not exists venel.attachments
     id        bigint auto_increment
         primary key,
     messageId bigint                     null,
-    type      varchar(16) default 'file' not null,
+    type      varchar(64) default 'file' not null,
     filename  text                       not null,
     constraint attachments_ibfk_1
         foreign key (messageId) references venel.messages (id)