r2 modify

src/instructor/instructor.service.ts

@@ -1551,7 +1551,6 @@ export class InstructorService {
         key: storedFileName,
         body: file.buffer,
         contentType: file.mimetype,
-        fileName: originalFileName,
       });
     } else {
       await mkdir(COURSE_REFERENCE_UPLOAD_ROOT, { recursive: true });

src/storage/r2-public-file.service.ts

@@ -6,7 +6,6 @@ type UploadPublicFileInput = {
   key: string;
   body: Buffer;
   contentType?: string | null;
-  fileName?: string | null;
 };
 
 @Injectable()
@@ -53,7 +52,6 @@ export class R2PublicFileService {
       Body: input.body,
       ContentLength: input.body.length,
       ContentType: input.contentType ?? 'application/octet-stream',
-      ContentDisposition: input.fileName ? contentDispositionForFile(input.fileName) : undefined,
     }));
 
     return this.publicUrl(input.key);
@@ -120,8 +118,3 @@ export class R2PublicFileService {
 function encodeObjectKey(key: string) {
   return key.split('/').map(encodeURIComponent).join('/');
 }
-
-function contentDispositionForFile(fileName: string) {
-  const fallbackName = fileName.replace(/[\\\"\r\n]/g, '_');
-  return `attachment; filename="${fallbackName}"; filename*=UTF-8''${encodeURIComponent(fileName)}`;
-}