package Ġio . na is . security . oauth 2 . keystore Ċ Ċ import Ġcom . nim bus ds . j ose . j wk . J WK Selector Ċ import Ġcom . nim bus ds . j ose . j wk . J WK Set Ċ import Ġcom . nim bus ds . j ose . proc . SecurityContext Ċ import Ġjava . time . Duration Ċ Ċ class ĠMock Rot ating KeyStore ( private Ġval Ġrotation Interval : ĠDuration Ġ= ĠDuration . of Days ( 1 )) Ġ: ĠRot ating KeyStore Ġ{ ĊĠĠĠ Ġprivate Ġvar Ġkeys Ġ= ĠRot atable Keys . generate ( expires In Ġ= Ġrotation Interval ) ĊĊĠĠĠ Ġoverride Ġfun Ġcurrent Signing Key () Ġ= Ġget And Rotate Keys If Expired (). current Key ĊĊĠĠĠ Ġoverride Ġfun Ġpublic J WK Set () Ġ= ĠJ WK Set ( listOf ( keys . current Key , Ġkeys . previous Key )). to Public J WK Set () ĊĊĠĠĠ Ġoverride Ġfun Ġget ( j wk Selector : ĠJ WK Selector ?, Ġcontext : ĠSecurity Context ?) Ġ= Ġpublic J WK Set (). keys ĊĊĠĠĠ Ġprivate Ġfun Ġget And Rotate Keys If Expired (): ĠRot atable Keys Ġ{ ĊĠĠĠĠĠĠĠ Ġif Ġ( keys . expired ()) Ġkeys Ġ= ĠRot atable Keys . generate ( expires In Ġ= Ġrotation Interval ) ĊĠĠĠĠĠĠĠ Ġreturn Ġkeys ĊĠĠĠ Ġ} Ċ } Ċ