Switch to 'magic-bytes.js' for file type detection

Updated file type detection to use 'magic-bytes.js' instead of 'file-type' across various modules. Also added missing exports in 'StorageModule' and imported 'DbModule' in 'MachinesModule'.

apps/backend/src/app/files/files.module.ts

@@ -3,9 +3,10 @@ import { DbModule } from "../db/db.module";
 import { StorageModule } from "../storage/storage.module";
 import { FilesController } from "./files.controller";
 import { FilesService } from "./files.service";
+import { CredentialsModule } from '../credentials/credentials.module';
 
 @Module({
-	imports: [StorageModule, DbModule],
+	imports: [StorageModule, DbModule, CredentialsModule],
 	controllers: [FilesController],
 	providers: [FilesService],
 })

apps/backend/src/app/files/files.service.ts

@@ -62,7 +62,7 @@ export class FilesService {
 		);
 		const fileNameWithoutSpaces = file.fileName.replace(/\s/g, "_");
 		return new StreamableFile(fileBuffer, {
-			disposition: `attachment; filename="${fileNameWithoutSpaces}.${fileInformation.fileType.ext.toLowerCase()}"`,
+			disposition: `attachment; filename="${fileNameWithoutSpaces}.${fileInformation.fileType[0].extension.toLowerCase()}"`,
 		});
 	}
 
@@ -130,7 +130,7 @@ export class FilesService {
 				.values({
 					fileName: data.get("fileName") as string,
 					checksum: saveResult.fileChecksum,
-					extension: saveResult.fileType.ext,
+					extension: saveResult.fileType[0].extension,
 					fileSize: saveResult.fileSize,
 					fileType: saveResult.fileType.mime,
 					isRestricted: Boolean(data.get("isRestricted")),

apps/backend/src/app/machines/machines.module.ts

@@ -1,8 +1,10 @@
 import { Module } from "@nestjs/common";
 import { MachinesController } from "apps/backend/src/app/machines/machines.controller";
 import { MachinesService } from "apps/backend/src/app/machines/machines.service";
+import { DbModule } from 'apps/backend/src/app/db/db.module';
 
 @Module({
+	imports: [DbModule],
 	controllers: [MachinesController],
 	providers: [MachinesService],
 })

apps/backend/src/app/storage/storage.module.ts

@@ -1,9 +1,10 @@
 import { Module } from "@nestjs/common";
-import { DbModule } from "apps/backend/src/app/db/db.module";
-import { StorageService } from "apps/backend/src/app/storage/storage.service";
+import { DbModule } from "../db/db.module";
+import { StorageService } from "../storage/storage.service";
 
 @Module({
 	imports: [DbModule],
 	providers: [StorageService],
+	exports: [StorageService]
 })
 export class StorageModule {}

apps/backend/src/app/storage/storage.service.ts

@@ -16,7 +16,7 @@ import {
 } from "apps/backend/src/app/db/schema";
 import { IFileInformation } from "apps/backend/src/app/storage/storage.types";
 import { eq } from "drizzle-orm";
-import FileType from "file-type";
+import { filetypeinfo } from 'magic-bytes.js';
 
 @Injectable()
 export class StorageService {
@@ -61,7 +61,7 @@ export class StorageService {
 			return allowedMime.has(currentMime);
 		}
 
-		const fileType = await FileType.fileTypeFromBuffer(file);
+		const fileType = filetypeinfo(file);
 
 		// Array of MIMEs with possible duplicate field
 		const _mimes: Array<string> = [];
@@ -106,7 +106,7 @@ export class StorageService {
 			});
 		}
 
-		if (!checkMime(mimeSet, fileType.mime))
+		if (!checkMime(mimeSet, fileType[0].mime))
 			throw new BadRequestException({
 				cause: "MIME type",
 				description: `Invalid MIME type. Allowed MIME types are: ${[...mimeSet].join(", ")}.`,
@@ -164,15 +164,15 @@ export class StorageService {
 		fileDisplayName: string,
 		isDocumentation?: boolean,
 	): Promise<IFileInformation> {
-		const fileType = await FileType.fileTypeFromBuffer(file);
+		const fileType = filetypeinfo(file);
 		const checksum = await this.getChecksum(file);
-		const fileName = `${isDocumentation ? "doc" : "file"}-${checksum}.${fileType.ext.toLowerCase()}`;
+		const fileName = `${isDocumentation ? "doc" : "file"}-${checksum}.${fileType[0].extension.toLowerCase()}`;
 		return {
 			fileName: fileName,
 			fileDisplayName: fileDisplayName,
 			fileSize: file.byteLength,
 			fileChecksum: checksum,
-			fileType: fileType,
+			fileType: fileType[0],
 			isDocumentation: isDocumentation || false,
 		};
 	}

apps/backend/src/app/storage/storage.types.ts

@@ -1,12 +1,12 @@
 import { StreamableFile } from "@nestjs/common";
-import FileType from "file-type";
+import { GuessedFile } from 'magic-bytes.js/dist/model/tree';
 
 export interface IFileInformation {
 	fileDisplayName: string;
 	fileName: string;
 	fileChecksum: string;
 	isDocumentation: boolean;
-	fileType: FileType.FileTypeResult;
+	fileType: GuessedFile;
 	fileSize: number;
 }