Allow to disable password policy enforcement for selected groups

Signed-off-by: Carl Schwan <carl@carlschwan.eu>
Co-authored-by: Vincent Petry <vincent@nextcloud.com>
Signed-off-by: nextcloud-command <nextcloud-command@users.noreply.github.com>

2 files changed, 17 insertions, 4 deletions

diff --git a/lib/private/Share20/Manager.php b/lib/private/Share20/Manager.php
index 2aa4d099024..b634d41a640 100644
--- a/lib/private/Share20/Manager.php
+++ b/lib/private/Share20/Manager.php
@@ -1784,9 +1784,21 @@ class Manager implements IManager {
 	/**
 	 * Is password on public link requires
 	 *
+	 * @param bool Check group membership exclusion
 	 * @return bool
 	 */
-	public function shareApiLinkEnforcePassword() {
+	public function shareApiLinkEnforcePassword(bool $checkGroupMembership = true) {
+		$excludedGroups = $this->config->getAppValue('core', 'shareapi_enforce_links_password_excluded_groups', '');
+		if ($excludedGroups !== '' && $checkGroupMembership) {
+			$excludedGroups = json_decode($excludedGroups);
+			$user = $this->userSession->getUser();
+			if ($user) {
+				$userGroups = $this->groupManager->getUserGroupIds($user);
+				if ((bool)array_intersect($excludedGroups, $userGroups)) {
+					return false;
+				}
+			}
+		}
 		return $this->config->getAppValue('core', 'shareapi_enforce_links_password', 'no') === 'yes';
 	}
 
diff --git a/lib/private/legacy/OC_Util.php b/lib/private/legacy/OC_Util.php
index ceed79bc9d5..edee23995f1 100644
--- a/lib/private/legacy/OC_Util.php
+++ b/lib/private/legacy/OC_Util.php
@@ -116,15 +116,16 @@ class OC_Util {
 	}
 
 	/**
-	 * check if a password is required for each public link
+	 * Check if a password is required for each public link
 	 *
+	 * @param bool $checkGroupMembership Check group membership exclusion
 	 * @return boolean
 	 * @suppress PhanDeprecatedFunction
 	 */
-	public static function isPublicLinkPasswordRequired() {
+	public static function isPublicLinkPasswordRequired(bool $checkGroupMembership = true) {
 		/** @var IManager $shareManager */
 		$shareManager = \OC::$server->get(IManager::class);
-		return $shareManager->shareApiLinkEnforcePassword();
+		return $shareManager->shareApiLinkEnforcePassword($checkGroupMembership);
 	}
 
 	/**