mirror of
https://github.com/tag1consulting/d7_to_d10_migration.git
synced 2024-11-25 15:43:25 +00:00
60 lines
1.9 KiB
PHP
60 lines
1.9 KiB
PHP
<?php
|
|
|
|
/**
|
|
* @file
|
|
* Hooks for file module.
|
|
*/
|
|
|
|
/**
|
|
* Control download access to files.
|
|
*
|
|
* The hook is typically implemented to limit access based on the entity the
|
|
* file is referenced, e.g., only users with access to a node should be allowed
|
|
* to download files attached to that node.
|
|
*
|
|
* @param array $file_item
|
|
* The array of information about the file to check access for.
|
|
* @param $entity_type
|
|
* The type of $entity; for example, 'node' or 'user'.
|
|
* @param $entity
|
|
* The $entity to which $file is referenced.
|
|
*
|
|
* @return
|
|
* TRUE is access should be allowed by this entity or FALSE if denied. Note
|
|
* that denial may be overridden by another entity controller, making this
|
|
* grant permissive rather than restrictive.
|
|
*
|
|
* @see hook_field_access().
|
|
*/
|
|
function hook_file_download_access($file_item, $entity_type, $entity) {
|
|
if ($entity_type == 'node') {
|
|
return node_access('view', $entity);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Alter the access rules applied to a file download.
|
|
*
|
|
* Entities that implement file management set the access rules for their
|
|
* individual files. Module may use this hook to create custom access rules
|
|
* for file downloads.
|
|
*
|
|
* @see hook_file_download_access().
|
|
*
|
|
* @param $grants
|
|
* An array of grants gathered by hook_file_download_access(). The array is
|
|
* keyed by the module that defines the entity type's access control; the
|
|
* values are Boolean grant responses for each module.
|
|
* @param array $file_item
|
|
* The array of information about the file to alter access for.
|
|
* @param $entity_type
|
|
* The type of $entity; for example, 'node' or 'user'.
|
|
* @param $entity
|
|
* The $entity to which $file is referenced.
|
|
*/
|
|
function hook_file_download_access_alter(&$grants, $file_item, $entity_type, $entity) {
|
|
// For our example module, we always enforce the rules set by node module.
|
|
if (isset($grants['node'])) {
|
|
$grants = array('node' => $grants['node']);
|
|
}
|
|
}
|