mahara-contributors team mailing list archive

[Kevin Dibble <1757330@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Mahara 17.10.3 (alo occurs on Mahara 17.10.0)
Operating system: Ubuntu, apache2, PHP 7.1.8 (also occurs on PHP 7.1.15 and PHP 7.1.3)
Database; MySQL
Browser: Chrome.

Exporting files in Mahara
/export/index.php

Export Either LEAP file or Standalone HTML
click Generate Export
in the iframe - the /export/download.php redirects back to the export/index.php file and nothing is downloaded - the progress iframe now shows the /export/index.php page.

Possible Cause:
Download.php (export/download.php) as this located at the bottom of the page (~ line 106)
$SESSION->set('exportfile', $exporter->get('exportdir') . $zipfile);

At the top of the page it checks to see if this session data exists - and if so - to force the download of the file.
line 17: 
if ($exportfile = $SESSION->get('exportfile')) {
    $SESSION->set('exportdata', '');
    $SESSION->set('exportfile', '');
    require_once('file.php');
    serve_file($exportfile, basename($exportfile), 'application/x-zip', array('lifetime' => 0, 'forcedownload' => true));
    exit;
}

In PHP 7.1.3 and higher - the $SESSION->get('exportfile') is empty when
the JS redirect calls this page (from the print_export_footer function)
and the session data set at the bottom of the page is not present when
the page is being loaded to get the file. (loading the /export/index.php
again will empty the exportfile data).

The export works as expected in PHP 7, but fails in PHP 7.1+.

Is Mahara 7.1+ ready?

** Affects: mahara
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1757330

Title:
  Export file Session Data not saved in PHP 7.1+

Status in Mahara:
  New

Bug description:
  Mahara 17.10.3 (alo occurs on Mahara 17.10.0)
  Operating system: Ubuntu, apache2, PHP 7.1.8 (also occurs on PHP 7.1.15 and PHP 7.1.3)
  Database; MySQL
  Browser: Chrome.

  Exporting files in Mahara
  /export/index.php

  Export Either LEAP file or Standalone HTML
  click Generate Export
  in the iframe - the /export/download.php redirects back to the export/index.php file and nothing is downloaded - the progress iframe now shows the /export/index.php page.

  Possible Cause:
  Download.php (export/download.php) as this located at the bottom of the page (~ line 106)
  $SESSION->set('exportfile', $exporter->get('exportdir') . $zipfile);

  At the top of the page it checks to see if this session data exists - and if so - to force the download of the file.
  line 17: 
  if ($exportfile = $SESSION->get('exportfile')) {
      $SESSION->set('exportdata', '');
      $SESSION->set('exportfile', '');
      require_once('file.php');
      serve_file($exportfile, basename($exportfile), 'application/x-zip', array('lifetime' => 0, 'forcedownload' => true));
      exit;
  }

  In PHP 7.1.3 and higher - the $SESSION->get('exportfile') is empty
  when the JS redirect calls this page (from the print_export_footer
  function) and the session data set at the bottom of the page is not
  present when the page is being loaded to get the file. (loading the
  /export/index.php again will empty the exportfile data).

  The export works as expected in PHP 7, but fails in PHP 7.1+.

  Is Mahara 7.1+ ready?

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