chore(server): use native file-type implementation (#6686)

packages/backend/server/package.json

@@ -61,7 +61,6 @@
     "dotenv": "^16.4.5",
     "dotenv-cli": "^7.4.1",
     "express": "^4.19.2",
-    "file-type": "^19.0.0",
     "get-stream": "^9.0.1",
     "graphql": "^16.8.1",
     "graphql-scalars": "^1.23.0",

packages/backend/server/src/fundamentals/storage/native.ts

@@ -28,3 +28,5 @@ export const mintChallengeResponse = async (resource: string, bits: number) => {
   if (!resource) return null;
   return serverNativeModule.mintChallengeResponse(resource, bits);
 };
+
+export const getMime = serverNativeModule.getMime;

packages/backend/server/src/fundamentals/storage/providers/utils.ts

@@ -1,9 +1,9 @@
 import { Readable } from 'node:stream';
 
 import { crc32 } from '@node-rs/crc32';
-import { fileTypeFromBuffer } from 'file-type';
 import { getStreamAsBuffer } from 'get-stream';
 
+import { getMime } from '../native';
 import { BlobInputType, PutObjectMetadata } from './provider';
 
 export async function toBuffer(input: BlobInputType): Promise<Buffer> {
@@ -35,8 +35,7 @@ export async function autoMetadata(
     // mime type
     if (!metadata.contentType) {
       try {
-        const typeResult = await fileTypeFromBuffer(blob);
-        metadata.contentType = typeResult?.mime ?? 'application/octet-stream';
+        metadata.contentType = getMime(blob);
       } catch {
         // ignore
       }