Uploads broken on iOS 11.2.2

[flexyford]

I have clients that are reporting issues of using the uploadcare widget on the latest version of iOS 11.2.2. The widget is currently not working on the Live Demo on Uploadcare Homepage when upload local files from mobile device.

We can select videos, but it never gets to the page where we compress the video or images. It takes me straight back to the pristine select image page. I'm not currently on the latest version of iOS so unable to test.

Version: 3.2.1

Anyone else experiencing this on iOS 11.2.2?

Video of Issue

[caseyjenks]

Hey y'all, any updates here? Seems like a pretty nasty bug

[optlsnd]

We tried, but couldn't reproduce the issue. There are no other reports on this from our customers. Is it possible to get the file from your client, that causes the bug? Also, can you specify how many of your clients have reported on this issue?

[flexyford]

Hi @optlsnd, this has been brought to our attention by about 10-15 customers.

We have a hunch that this happens with videos that are "automatically uploaded to iCloud".

Our clients are able to upload recently recorded videos, but for videos that are older (say two weeks) and on iCloud, the upload fails as shown in the example from my original issue description.

If we have a known video that fails to upload to UploadCare, and we download that file locally (via Airdrop), that same video can now be uploaded.

Any suggestions for what we've been running into?

[optlsnd]

@flexyford Thanks for the details. We need some time to check this. I'll keep you updated.

[flexyford]

Thanks @optlsnd Let me know if I can provide any more information

[optlsnd]

@flexyford It seems this issue is related to iCloud. It doesn't return file size of some files:
https://forums.developer.apple.com/thread/67861

We reported on this, but haven't got any response yet. The same issue was noticed with other apps such as Telegram, VK, and others. It seems that this happens with files which contain non-ASCII symbols in filename/extension.

If you have any reports from your users on files with ASCII filenames, let us know.

[caseyjenks]

Thanks @optlsnd . I passed that along to a team member that is able to reproduce this issue at will, and here's what she said: "definitely sounds like it could be the case...not sure about the file name though. the video i was using is named 'IMG_0098.TRIM.MOV'"

Any idea why that file name would fail?

[optlsnd]

@caseyjenks we checked again, and it seems we were wrong about that it depends on non-ASCII symbols in a filename. iCloud just doesn't return file size for random files.