New Bug Encountered: Constructing an Attachment File URL stopped working

[Eso_Surveyors]

hi,
the below is a sample of a construction that has been working for weeks.
but today it is not for any link constructed! the file, folder, APP, all exist, i can browse to it and open the pdf.

https://www.appsheet.com/template/getappfileurl?appName=TESO-751991&fileName=Attachments%2FDOCKET%20...

sorry, but urgent.
thanks

[hru]

Another similar to this issue?

Call to Action for Apps Constructing URLs to GetTableFileUrl Announcements

We recently made a security enhancement wherein image and file type columns have signed URLs generated for them. This enhancement prevents an app user from changing the table name or file name parameters in order to access app files that they should not. In the near future, we are going to start requiring calls to the gettablefileurl and getappfileurl endpoints to have valid signatures. What does this mean for you? If you have an app where you are manually constructing a link to a gettablefileu…

[Eso_Surveyors]

Exactly!

[hugheshilton]

Yes your constructed URL does not have a signature which now required as an additional security protection. If you need this construction to continue to work, you can turn off the new security feature by going to Security -> Options and disabling the “Require Image and File URL Signing” for your app TESO-751991.