Fix file verification on upload; just block folders (pterodactyl#4442)

DaneEveritt · web-flow · commit d1beb2e1ad72 · 2022-10-16T17:24:49.000-06:00
diff --git a/resources/scripts/components/server/files/UploadButton.tsx b/resources/scripts/components/server/files/UploadButton.tsx
@@ -67,7 +67,7 @@ export default ({ className }: WithClassname) => {
     const onFileSubmission = (files: FileList) => {
         clearAndAddHttpError();
         const list = Array.from(files);
-        if (list.some((file) => !file.type && file.size % 4096 === 0)) {
+        if (list.some((file) => !file.size || (!file.type && file.size === 4096))) {
             return addError('Folder uploads are not supported at this time.', 'Error');
         }
 

Original file line number	Diff line number	Diff line change
`@@ -67,7 +67,7 @@ export default ({ className }: WithClassname) => {`
`67`	`67`	`const onFileSubmission = (files: FileList) => {`
`68`	`68`	`clearAndAddHttpError();`
`69`	`69`	`const list = Array.from(files);`
`70`		`- if (list.some((file) => !file.type && file.size % 4096 === 0)) {`
	`70`	`+ if (list.some((file) => !file.size \|\| (!file.type && file.size === 4096))) {`
`71`	`71`	`return addError('Folder uploads are not supported at this time.', 'Error');`
`72`	`72`	`}`
`73`	`73`