@startuml

title Extended Process of AppBase of GateToken

boundary ProPage as pro_page
control Erp_Front_API as app_api
control Erp_Backend_API as back_api

autonumber
note over pro_page: AppUri, AppBase64
pro_page->app_api: request /gate-token-get

note over app_api #FCC873: ClientId, BB64, AB64
app_api->back_api: Request /gate-token-get 


note over back_api #73EDFC
<b>KeyPair Get</b>
 See EnvDaboryToGateToken
end note

back_api->back_api: Decrypt AB64 with KeyPair

note over back_api #73EDFC
<b>1.Get Decrypted ClientId and SsoSubId From AB64</b>
<b>2.ClientId and Decrypted ClientId</b>
end note

back_api->app_api: return error If ClientId Mismatch

note over back_api #73EDFC
<b>Create GateToken and Save GTBase</b>
 DBconn, SsoSubId and Etc
 See EnvDaboryToGateToken 
 SsoSubId -> Allow to Access All APIs
end note

back_api->app_api: Response GateToken 
app_api->pro_page: Return GateToken 
@enduml