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MDL-62289 tool_dataprivacy: Ensure all user data deleted.

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We now do a comprehensive check and clean of user data when
a user context expires.
This commit is contained in:
Adrian Greeve 2018-05-09 10:16:39 +08:00
parent 446d8483a3
commit c8e4922194
2 changed files with 44 additions and 2 deletions
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27
admin/tool/dataprivacy/classes/expired_user_contexts.php
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@ -115,12 +115,35 @@ class expired_user_contexts extends \tool_dataprivacy\expired_contexts_manager {
* @return \context|false
*/
protected function delete_expired_context(\core_privacy\manager $privacymanager, \tool_dataprivacy\expired_context $expiredctx) {
if (!$context = parent::delete_expired_context($privacymanager, $expiredctx)) {
$context = \context::instance_by_id($expiredctx->get('contextid'), IGNORE_MISSING);
if (!$context) {
api::delete_expired_context($expiredctx->get('contextid'));
return false;
}
// Delete the user.
if (!PHPUNIT_TEST) {
mtrace('Deleting context ' . $context->id . ' - ' .
shorten_text($context->get_context_name(true, true)));
}
// To ensure that all user data is deleted, instead of deleting by context, we run through and collect any stray
// contexts for the user that may still exist and call delete_data_for_user().
$user = \core_user::get_user($context->instanceid, '*', MUST_EXIST);
$approvedlistcollection = new \core_privacy\local\request\contextlist_collection($user->id);
$contextlistcollection = $privacymanager->get_contexts_for_userid($user->id);
foreach ($contextlistcollection as $contextlist) {
$approvedlistcollection->add_contextlist(new \core_privacy\local\request\approved_contextlist(
$user,
$contextlist->get_component(),
$contextlist->get_contextids()
));
}
$privacymanager->delete_data_for_user($approvedlistcollection);
api::set_expired_context_status($expiredctx, expired_context::STATUS_CLEANED);
// Delete the user.
delete_user($user);
return $context;