- CollaborateAction: do not allow items in Shares Jail to be reshared

ownCloud/Client/Actions/Actions+Extensions/CollaborateAction.swift

@@ -31,6 +31,10 @@ class CollaborateAction: Action {
 	// MARK: - Extension matching
 	override class func applicablePosition(forContext: ActionContext) -> ActionPosition {
 		if forContext.items.count == 1, let core = forContext.core, core.connectionStatus == .online, core.connection.capabilities?.sharingAPIEnabled == 1, let item = forContext.items.first, item.isShareable {
+			if let driveID = item.driveID, driveID == OCDriveIDSharesJail {
+				// Disable re-sharing by not allowing to share items located in the Shares Jail (https://github.com/owncloud/ios-app/issues/1353)
+				return .none
+			}
 			return .first
 		}