passepartout-apple/Passepartout/Sources/Services/Pool.swift

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//
// Pool.swift
// Passepartout
//
// Created by Davide De Rosa on 6/11/18.
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// Copyright (c) 2019 Davide De Rosa. All rights reserved.
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//
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// https://github.com/passepartoutvpn
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//
// This file is part of Passepartout.
//
// Passepartout is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Passepartout is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Passepartout. If not, see <http://www.gnu.org/licenses/>.
//
import Foundation
import TunnelKit
public struct Pool: Codable, Hashable, Comparable, CustomStringConvertible {
public enum CodingKeys: String, CodingKey {
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case id
case name
case country
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case area
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case num
case isFree = "free"
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// case location
case hostname
case numericAddresses = "addrs"
}
public let id: String
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private let name: String
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public let country: String
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public let area: String?
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public let num: String?
public var areaId: String? {
let id: String
if let area = area, let num = num {
id = "\(area) #\(num)"
} else if let area = area {
id = area
} else if let num = num {
id = "#\(num)"
} else {
return nil
}
return id.uppercased()
}
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public let isFree: Bool?
// public let location: (Double, Double)
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public let hostname: String
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public let numericAddresses: [UInt32]
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public func hasAddress(_ address: String) -> Bool {
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guard let ipv4 = DNSResolver.ipv4(fromString: address) else {
return false
}
return numericAddresses.contains(ipv4)
}
// XXX: inefficient, can't easily use lazy on struct
public func addresses() -> [String] {
var addrs = numericAddresses.map { DNSResolver.string(fromIPv4: $0) }
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addrs.insert(hostname, at: 0)
return addrs
}
public func group() -> PoolGroup {
return PoolGroup(country: country, area: area)
}
// MARK: Hashable
public func hash(into hasher: inout Hasher) {
id.hash(into: &hasher)
}
// MARK: Comparable
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public static func <(lhs: Pool, rhs: Pool) -> Bool {
return lhs.localizedId < rhs.localizedId
}
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// MARK: CustomStringConvertible
public var description: String {
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return "{[\(id)] \"\(name)\"}"
}
}
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extension Pool {
private static let localizedFormat = "%@ - %@"
public var localizedCountry: String {
return Utils.localizedCountry(country)
}
public var localizedId: String {
let countryString = localizedCountry
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let zone: String
if let area = area, let num = num {
zone = "\(area) #\(num)"
} else if let area = area {
zone = area
} else if let num = num {
zone = "#\(num)"
} else {
return countryString
}
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return String.init(format: Pool.localizedFormat, countryString, zone.uppercased())
}
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}