Revert "remove open via client"
Revert "remove open via client"

This reverts commit 143eebddf62cd8488d4190d6050d951caebd0879.

madflow/seahub,madflow/seahub,madflow/seahub,miurahr/seahub,miurahr/seahub,madflow/seahub,miurahr/seahub,madflow/seahub,miurahr/seahub