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//
// MullvadAPI.swift
// MullvadVPN
//
// Created by pronebird on 02/05/2019.
// Copyright © 2019 Amagicom AB. All rights reserved.
//
import Foundation
import Network
import ProcedureKit
private let kMullvadAPIURL = URL(string: "https://api.mullvad.net/rpc/")!
class MullvadAPI {
struct WireguardKeyRequest: Codable {
var accountToken: String
var publicKey: Data
}
class func getRelayList() -> JsonRequestProcedure<Void, JsonRpcResponse<RelayList>> {
return JsonRequestProcedure(requestBuilder: {
try makeURLRequest(method: "POST",
rpcRequest: JsonRpcRequest(method: "relay_list_v2", params: []))
})
}
class func getAccountExpiry(accountToken: String? = nil) -> JsonRequestProcedure<String, JsonRpcResponse<Date>> {
return JsonRequestProcedure(input: accountToken, requestBuilder: {
try makeURLRequest(
method: "POST",
rpcRequest: JsonRpcRequest(method: "get_expiry", params: [AnyEncodable($0)])
)
})
}
class func verifyAccountToken(_ accountToken: String? = nil) -> AccountVerificationProcedure {
return AccountVerificationProcedure(accountToken: accountToken)
}
class func pushWireguardKey(_ pushRequest: WireguardKeyRequest? = nil) -> JsonRequestProcedure<WireguardKeyRequest, JsonRpcResponse<WireguardAssociatedAddresses>> {
return JsonRequestProcedure(input: pushRequest, requestBuilder: { (input) -> URLRequest in
let rpcRequest = JsonRpcRequest(method: "push_wg_key", params: [
AnyEncodable(input.accountToken),
AnyEncodable(input.publicKey)
])
return try makeURLRequest(method: "POST", rpcRequest: rpcRequest)
})
}
class func checkWireguardKey(_ pushRequest: WireguardKeyRequest? = nil) -> JsonRequestProcedure<WireguardKeyRequest, JsonRpcResponse<Bool>> {
return JsonRequestProcedure(input: pushRequest, requestBuilder: { (input) -> URLRequest in
let rpcRequest = JsonRpcRequest(method: "check_wg_key", params: [
AnyEncodable(input.accountToken),
AnyEncodable(input.publicKey)
])
return try makeURLRequest(method: "POST", rpcRequest: rpcRequest)
})
}
private class func makeURLRequest(method: String, rpcRequest: JsonRpcRequest) throws -> URLRequest {
let encoder = JSONEncoder()
encoder.keyEncodingStrategy = .convertToSnakeCase
encoder.dateEncodingStrategy = .iso8601
encoder.dataEncodingStrategy = .base64
var urlRequest = URLRequest(url: kMullvadAPIURL)
urlRequest.httpMethod = method
urlRequest.httpBody = try encoder.encode(rpcRequest)
urlRequest.addValue("application/json", forHTTPHeaderField: "Content-Type")
return urlRequest
}
}
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