package Ġid . walt . storage kit . client . service Ċ Ċ import Ġcom . be ust . kl ax on . Kl ax on Ċ import Ġcom . nim bus ds . j ose . Payload Ċ import Ġid . walt . storage kit . client . client models . Session Manager Ċ import Ġid . walt . storage kit . client . client models . Session Manager . Session Ċ import Ġid . walt . storage kit . client . service . remote . Session Export Ċ import Ġid . walt . storage kit . common . persistence . encryption . J WE Encryption Ċ import Ġid . walt . crypto . Key Algorithm Ċ import Ġid . walt . model . Did Method Ċ import Ġid . walt . services . did . Did Service Ċ import Ġid . walt . services . key . Key Service Ċ import Ġid . walt . services . keystore . KeyType Ċ Ċ class ĠClient Session Service ( private Ġval Ġmaster Key : ĠByteArray ) Ġ{ ĊĊĠĠĠ Ġinternal Ġval Ġsession Manager Ġ= Ġid . walt . storage kit . client . client models . Session Manager ( master Key ) ĊĠĠĠ Ġlateinit Ġvar ĠsessionId : ĠString ĊĊĠĠĠ Ġval Ġsession : ĠSession ĊĠĠĠ Ġget () Ġ= Ġsession Manager . getSession ( sessionId ) ĊĊĠĠĠ Ġfun Ġlist Cached Sessions () Ġ= Ġsession Manager . gather Cached Sessions () ĊĠĠĠ Ġfun Ġsession Exists ( sessionId : ĠString ) Ġ= Ġsession Manager . session Exists ( sessionId ) ĊĠĠĠ Ġfun Ġhas Sessions () Ġ= Ġsession Manager . session Store Exists () Ġ&& Ġsession Manager . has Sessions () ĊĊĠĠĠ Ġfun Ġselect Session ( new SessionId : ĠString ) Ġ{ ĊĠĠĠĠĠĠĠ ĠsessionId Ġ= Ġnew SessionId ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġfun Ġcreate Session ( sessionId : ĠString ): ĠSession Ġ{ ĊĠĠĠĠĠĠĠ Ġval Ġkey Service Ġ= ĠKey Service . getService () ĊĊĠĠĠĠĠĠĠ Ġval Ġkey Id Ġ= Ġkey Service . generate ( Key Algorithm . Ed D SA _ Ed 2 5 5 1 9 ) ĊĊĊĠĠĠĠĠĠĠ Ġval Ġcontroller Did Ġ= ĠDid Service . create ( Did Method . key , Ġkey Id . id ) ĊĊĠĠĠĠĠĠĠ Ġval Ġsession Ġ= ĠSession ( sessionId , Ġempty Map (), Ġkey Id , Ġcontroller Did ) ĊĠĠĠĠĠĠĠ Ġsession Manager . store Session ( session ) ĊĊĠĠĠĠĠĠĠ Ġreturn Ġsession ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġfun Ġimport Session ( token J WE : ĠString ): ĠSession Ġ{ ĊĠĠĠĠĠĠĠ Ġval Ġdecrypted Token Json Ġ= ĠJ WE Encryption . pass phrase Decrypt ( token J WE , Ġmaster Key ). toString () ĊĊĠĠĠĠĠĠĠ Ġval Ġsession Export Ġ= ĠK l ax on (). parse < Session Export >( de crypted Token Json ) !! ĊĊĠĠĠĠĠĠĠ Ġval Ġsession Ġ= Ġsession Export . session ĊĊĠĠĠĠĠĠĠ Ġval Ġkey Id Ġ= ĠKey Service . getService (). import Key ( session Export . key String ) ĊĊĠĠĠĠĠĠĠ Ġval Ġdid Ġ= ĠDid Service . create ( Did Method . key , Ġkey Id . id ) ĊĠĠĠĠĠĠĠ Ġcheck ( session . did Ġ== Ġdid ) ĊĊĠĠĠĠĠĠĠ Ġsession Manager . store Session ( session ) ĊĊĠĠĠĠĠĠĠ Ġreturn Ġsession ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġfun Ġexport ( sessionId : ĠString ) Ġ= Ġexport ( session Manager . getSession ( sessionId )) ĊĠĠĠ Ġfun Ġexport ( session : ĠSession ): ĠString Ġ{ ĊĠĠĠĠĠĠĠ Ġval Ġkey String Ġ= ĠKey Service . getService (). export ( session . key Id . id , Ġexport KeyType Ġ= ĠKey Type . PRIVATE ) ĊĊĠĠĠĠĠĠĠ Ġval Ġexport Ġ= ĠSession Export ( session , Ġkey String ) ĊĊĠĠĠĠĠĠĠ Ġval Ġsession Json Ġ= ĠK l ax on (). toJson String ( export ) ĊĊĠĠĠĠĠĠĠ Ġreturn ĠJ WE Encryption . pass phrase Encrypt ( Payload ( session Json ), Ġmaster Key ) ĊĠĠĠ Ġ} ĊĊĠĠĠ Ġfun Ġget Session ( sessionId : ĠString ): ĠSession Ġ= Ġsession Manager . getSession ( sessionId ) Ċ } Ċ