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I am using Backdrop CMS 1.10.1 with CiviCRM 5.2.2 and I am having trouble with the kcfinder, when uploading and inserting images, both into CiviMail and CiviContribute.

The initial problem was a 500 error. Based on this bit of the log,

[Thu Jul 05 16:53:47.624995 2018] [fcgid:warn] [pid 6591] [client ] mod_fcgid: stderr: PHP Fatal error: Uncaught Error: Function name must be a string in [site]/public_html/modules/civicrm/packages/kcfinder/integration/civicrm.php:67

I traced it down to this switch statement in /kcfinder/integration/civicrm.php

switch ($config->userFramework) { case 'Drupal': case 'Drupal6': $auth_function = 'authenticate_drupal'; break; case 'Joomla': $auth_function = 'authenticate_joomla'; break; case 'WordPress': $auth_function = 'authenticate_wordpress'; break; }

This is missing the case for Backdrop, so $authfunction never got assigned to a string. I tried to add a case for Backdrop, as well as the authenticate_backdrop function, but I don't know how to make it work. First, I tried making the authenticate_backdrop function the same as authenticate_drupal, but it gives me the error:

You must be logged in with proper permissions to edit, add, or delete uploaded images.

I removed everything except the permission check from the function, so that it just looks like this:

function authenticate_backdrop($config) { // check if user has access permission... if (CRM_Core_Permission::check('access CiviCRM')) { error_log("There is permission.") return true; } } It gives me permission, and allows me to upload an image and insert it. Here is the original file with the authenticate functions for drupal, joomla and wordpress. https://github.com/civicrm/civicrm-packages/blob/master/kcfinder/integration/civicrm.php

What is the correct way to implement authenticate_backdrop? It is okay to just have the CRM_Core_Permission::check?

  • You might be right, but perhaps there's something we're missing. I don't really understand what's going on there. The drupal function is confusing and seems to have a whole lot of cruft that isn't being used. $base_url isn't being used. You might need to include the boostrap so we're sure to get the logged in user. – herb Jul 7 '18 at 5:11
  • I checked and I think now that it has to bootstrap Backdrop otherwise it'll always return true. – herb Jul 7 '18 at 14:16
  • Can you test this PR/patch? github.com/civicrm/civicrm-packages/pull/216 – herb Jul 7 '18 at 15:42
  • @herb The PR/patch works. Thank you! – Tanya Jul 12 '18 at 16:20
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Per comments above, this bug was fixed by @herb in https://github.com/civicrm/civicrm-packages/pull/216

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