VPNConstants.swift

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// This Source Code Form is subject to the terms of the Mozilla Public

// License, v. 2.0. If a copy of the MPL was not distributed with this

// file, You can obtain one at http://mozilla.org/MPL/2.0/

import Foundation

/// The backend environment the VPN App Attest (IPN)

public enum VPNEnvironment: String, Sendable {

    case dev

    case stage

    case prod

    var baseURL: URL? {

        switch self {

        case .dev:

            return URL(string: "https://dev.vpn.nonprod.webservices.mozgcp.net")

        case .stage:

            return URL(string: "https://vpn.allizom.org")

        case .prod:

            return URL(string: "https://vpn.mozilla.org")

/// HTTP constants and endpoint builders for the VPN App Attest (IPN) auth flow.

public enum VPNConstants {

    static let authorizationHeader = "Authorization"

    static let bearerPrefix = "Bearer "

    static let contentTypeHeader = "Content-Type"

    static let contentTypeJSON = "application/json"

    static let POST = "POST"

    static let GET = "GET"

    static func challengeEndpoint(with env: VPNEnvironment) -> URL? {

        env.baseURL?.appendingPathComponent("api/v1/ipn/challenge")

    static func enrollmentEndpoint(with env: VPNEnvironment) -> URL? {

        env.baseURL?.appendingPathComponent("api/v1/ipn/enrollment")

    static func refreshEndpoint(with env: VPNEnvironment) -> URL? {

        env.baseURL?.appendingPathComponent("api/v1/ipn/refresh")

    static func tokenEndpoint(with env: VPNEnvironment) -> URL? {

        env.baseURL?.appendingPathComponent("api/v1/ipn/token")