fix(app-store): Ensure the `groups` property is always an arraybackport/48853/stable30

If the value was a string, like a single group, then `json_decode` will also yield only a string.
So in this case we ensure the property is always an array with that value.

Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>

1 files changed, 4 insertions, 0 deletions

diff --git a/apps/settings/lib/Controller/AppSettingsController.php b/apps/settings/lib/Controller/AppSettingsController.php
index ccd0b418040..9416381ff49 100644
--- a/apps/settings/lib/Controller/AppSettingsController.php
+++ b/apps/settings/lib/Controller/AppSettingsController.php
@@ -306,6 +306,10 @@ class AppSettingsController extends Controller {
 			$groups = [];
 			if (is_string($appData['groups'])) {
 				$groups = json_decode($appData['groups']);
+				// ensure 'groups' is an array
+				if (!is_array($groups)) {
+					$groups = [$groups];
+				}
 			}
 			$appData['groups'] = $groups;
 			$appData['canUnInstall'] = !$appData['active'] && $appData['removable'];