[jira] [Created] (AIRAVATA-2326) PGA: handle multiple file uploads that together exceed post_max_size

["Marcus Christie (JIRA)" <ji...@apache.org>]

Marcus Christie created AIRAVATA-2326:
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             Summary: PGA: handle multiple file uploads that together exceed post_max_size
                 Key: AIRAVATA-2326
                 URL: https://issues.apache.org/jira/browse/AIRAVATA-2326
             Project: Airavata
          Issue Type: Bug
            Reporter: Marcus Christie
            Assignee: Marcus Christie


AIRAVATA-1397 added handling for when files are uploaded that exceed upload_max_filesize. However it's possible for multiple files to not exceed upload_max_filesize but when combined together do exceed the post_max_size.

Zhong ran into this problem with uploading a couple large files as inputs to the dREG application.

One problem with post_max_size is that when it is exceed PHP provides only an empty $_POST variable.  So it is pretty hard to gracefully handle when it happens.

That said, I think there are a couple of things that can be done:
* we can detect when post_max_size is exceed and when it is we can at least display an error message to the user. Right now they just get dumped to the home page without any idea that anything went wrong.
* We currently have JavaScript to detect when a file exceeds upload_max_filesize. We could also add JavaScript to run before form submission to check to check all of the files, add up their combined file size and compare with post_max_size




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