133 lines
3.8 KiB
Swift
133 lines
3.8 KiB
Swift
//
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// APIWebServices.swift
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// Passepartout
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//
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// Created by Davide De Rosa on 9/14/18.
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// Copyright (c) 2023 Davide De Rosa. All rights reserved.
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//
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// https://github.com/passepartoutvpn
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//
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// This file is part of Passepartout.
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//
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// Passepartout is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Passepartout is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Passepartout. If not, see <http://www.gnu.org/licenses/>.
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//
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import Combine
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import Foundation
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import PassepartoutCore
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import PassepartoutServices
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public final class APIWebServices: WebServices {
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private enum Group: String {
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case providers
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}
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private enum Endpoint: GenericWebEndpoint {
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case providersIndex
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case providerNetwork(WSProviderName, WSVPNProtocol)
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private var pathName: String {
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switch self {
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case .providersIndex:
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return "\(Group.providers.rawValue)/index"
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case .providerNetwork(let providerName, let vpnProtocol):
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return "\(Group.providers.rawValue)/\(providerName)/\(vpnProtocol.filename)"
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}
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}
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private var fileType: String {
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"json"
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}
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// MARK: GenericWebEndpoint
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var path: String {
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"\(pathName).\(fileType)"
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}
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}
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private let ws: GenericWebServices<APIError>
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public init(_ version: String, _ root: URL, timeout: TimeInterval?, queue: DispatchQueue = .main) {
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ws = GenericWebServices(version, root, timeout: timeout)
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}
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public func providersIndex() -> AnyPublisher<WSProvidersIndex, Error> {
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let request = ws.get(Endpoint.providersIndex)
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return ws.parse(WSProvidersIndex.self, request: request)
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.tryMap {
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guard let value = $0.value else {
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throw APIError.emptyResponse
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}
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return value
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}.eraseToAnyPublisher()
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}
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public func providerNetwork(with name: WSProviderName, vpnProtocol: WSVPNProtocol, ifModifiedSince lastModified: Date?) -> AnyPublisher<GenericWebResponse<WSProviderInfrastructure>, Error> {
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var request = ws.get(Endpoint.providerNetwork(name, vpnProtocol))
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if let lastModified = lastModified {
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request.addValue(GenericWebParser.lastModifiedString(date: lastModified), forHTTPHeaderField: "If-Modified-Since")
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}
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return ws.parse(WSProviderInfrastructure.self, request: request)
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}
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}
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enum APIError: GenericWebServicesError, LocalizedError {
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case http(Int)
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case emptyResponse
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case unknown
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static func httpStatus(_ status: Int) -> APIError {
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.http(status)
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}
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var errorDescription: String? {
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switch self {
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case .http(let status):
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return "HTTP \(status)"
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case .emptyResponse:
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return "Empty response"
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default:
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return nil
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}
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}
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}
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extension APIWebServices {
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public static func bundledServices(withVersion version: String) -> WebServices {
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guard let apiURL = Bundle.module.url(forResource: "API", withExtension: nil) else {
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fatalError("Could not find API in bundle")
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}
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return APIWebServices(version, apiURL, timeout: nil)
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}
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}
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private extension WSVPNProtocol {
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var filename: String {
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switch self {
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case .openVPN:
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return "ovpn"
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case .wireGuard:
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return "wg"
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}
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}
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}
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