So, I'm not sure if the reason I'm having trouble with this is because it looks awfully like malicious activity or not. What I'm attempting to do is make my life a little less terrible with a piece of very inflexible and outdated web-based software.
Basically, there's a block of HTML that I can edit from within the software (it's inserted into a
td element), and I want to have the content of that block come from a plaintext file on my local drive, being synced to the cloud with Dropbox.
It is possible to do something like this:
<td> <script> insert_text_from_url("https://dl.dropboxusercontent.com/s/blahblahblah/file.txt?token_hash=blahblahblah&dl=1"); </script> </td>
With the output being