feat: add config variable to adjust chunk size

backend/prisma/seed/config.seed.ts

@@ -51,6 +51,11 @@ const configVariables: ConfigVariables = {
       type: "number",
       defaultValue: "9",
     },
+    chunkSize: {
+      type: "number",
+      defaultValue: "10000000",
+      secret: false,
+    },
   },
   email: {
     enableShareEmailRecipients: {

backend/src/file/file.service.ts

@@ -47,7 +47,7 @@ export class FileService {
     }
 
     // If the sent chunk index and the expected chunk index doesn't match throw an error
-    const chunkSize = 10 * 1024 * 1024; // 10MB
+    const chunkSize = this.config.get("share.chunkSize");
     const expectedChunkIndex = Math.ceil(diskFileSize / chunkSize);
 
     if (expectedChunkIndex != chunk.index)

backend/src/main.ts

@@ -7,13 +7,21 @@ import * as cookieParser from "cookie-parser";
 import * as fs from "fs";
 import { AppModule } from "./app.module";
 import { DATA_DIRECTORY } from "./constants";
+import { ConfigService } from "./config/config.service";
 
 async function bootstrap() {
   const app = await NestFactory.create<NestExpressApplication>(AppModule);
   app.useGlobalPipes(new ValidationPipe({ whitelist: true }));
   app.useGlobalInterceptors(new ClassSerializerInterceptor(app.get(Reflector)));
 
-  app.use(bodyParser.raw({ type: "application/octet-stream", limit: "20mb" }));
+  const config = app.get<ConfigService>(ConfigService);
+  app.use(
+    bodyParser.raw({
+      type: "application/octet-stream",
+      limit: `${config.get("share.chunkSize")}B`,
+    }),
+  );
+
   app.use(cookieParser());
   app.set("trust proxy", true);
 

frontend/src/i18n/translations/en-US.ts

@@ -432,7 +432,9 @@ export default {
   "admin.config.share.zip-compression-level": "Zip compression level",
   "admin.config.share.zip-compression-level.description":
     "Adjust the level to balance between file size and compression speed. Valid values range from 0 to 9, with 0 being no compression and 9 being maximum compression. ",
-
+  "admin.config.share.chunk-size": "Chunk size",
+  "admin.config.share.chunk-size.description": "Adjust the chunk size (in bytes) for your uploads to balance efficiency and reliability according to your internet connection. Smaller chunks can enhance success rates for unstable connections, while larger chunks speed up uploads for stable connections.",
+  
   "admin.config.smtp.enabled": "Enabled",
   "admin.config.smtp.enabled.description":
     "Whether SMTP is enabled. Only set this to true if you entered the host, port, email, user and password of your SMTP server.",