sdk/communication/AzureCommunicationChat/Source/Signaling/TrouterSettings.swift

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import Foundation
import Trouter

let defaultRegistrationData: TrouterUrlRegistrationData? = TrouterUrlRegistrationData.create(
    withApplicationId: "AcsiOS",
    registrationId: nil,
    platform: "SPOOL",
    platformUiVersion: "0.0.0",
    templateKey: "AcsiOS_Chat_1.4",
    productContext: nil,
    context: ""
) as? TrouterUrlRegistrationData

let defaultClientVersion: String = "1.0.0"
let defaultTrouterHostname: String = "go.trouter.teams.microsoft.com/v4/a"
let defaultRegistrarHostnameAndBasePath: String = "teams.microsoft.com/registrar/prod"

let eudbTrouterHostname: String = "go-eu.trouter.teams.microsoft.com/v4/a";
let eudbCountries: Set = ["europe", "france", "germany", "norway", "switzerland", "sweden"]

// GCC High gov cloud URLs
let gcchTrouterHostname: String = "go.trouter.gov.teams.microsoft.us/v4/a"
let gcchRegistrarHostnameAndBasePath: String = "registrar.gov.teams.microsoft.us"

// DoD gov cloud URLs
let dodTrouterHostname: String = "go.trouter.dod.teams.microsoft.us/v4/a"
let dodRegistrarHostnameAndBasePath: String = "registrar.dod.teams.microsoft.us"

func getTrouterSettings(token: String) throws
    -> (trouterHostname: String, registrarHostnameAndBasePath: String)
{
    let jwt = try decode(jwtToken: token)
    if let skypeId = jwt["skypeid"] as? String {
        if isGcch(id: skypeId) {
            return (gcchTrouterHostname, gcchRegistrarHostnameAndBasePath)
        }
        if isDod(id: skypeId) {
            return (dodTrouterHostname, dodRegistrarHostnameAndBasePath)
        }
    }

    if let resourceLocation = jwt["resourceLocation"] as? String,
       eudbCountries.contains(resourceLocation) {
        return (eudbTrouterHostname, defaultRegistrarHostnameAndBasePath)
    }

    return (defaultTrouterHostname, defaultRegistrarHostnameAndBasePath)
}