@startuml
participant "Filesystem Provider\n(e.g. Webbrowser)" as provider
participant "webfuse\ndaemon" as daemon
actor "user" as user

group directory listing fails without authentication
user     -> daemon : ls
daemon   -> daemon : is_authenticated
daemon   -->x user : error: no entry
end


group authenticate
provider -> daemon: authenticate(type, credentials)
daemon -> daemon: get_authenticator(type)
daemon -> daemon: check(credentials)
daemon --> provider: result
end

group directory listing succeeds after authentication
user     -> daemon : ls
daemon   -> daemon : is_authenticated
daemon   -> provider : readdir
provider --> daemon : readdir_resp
daemon   --> user : [., ..]
end

@enduml