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//
// MullvadConnectionModeProvider.swift
// MullvadRustRuntime
//
// Created by Marco Nikic on 2025-02-20.
// Copyright © 2025 Mullvad VPN AB. All rights reserved.
//
import MullvadTypes
public func initAccessMethodSettingsWrapper(methods: [PersistentAccessMethod])
-> SwiftAccessMethodSettingsWrapper
{
// 1. Get all the built in access methods, it is expected that they are always available
let directMethod = methods.first(where: { $0.proxyConfiguration == .direct })!
let bridgesMethod = methods.first(where: { $0.proxyConfiguration == .bridges })!
let encryptedDNSMethod = methods.first(where: { $0.proxyConfiguration == .encryptedDNS })!
// 2. Get the custom access methods
let defaultMethods: [PersistentProxyConfiguration] = [.direct, .bridges, .encryptedDNS]
let customMethods = methods.filter { defaultMethods.contains($0.proxyConfiguration) == false }
// 3. Convert the builtin access methods
let directMethodRaw = convertAccessMethod(accessMethod: directMethod)
let bridgesMethodRaw = convertAccessMethod(accessMethod: bridgesMethod)
let encryptedDNSMethodRaw = convertAccessMethod(accessMethod: encryptedDNSMethod)
var rawCustomMethods = ContiguousArray<UnsafeRawPointer?>([])
// 4. Convert the custom access methods (all takes different parameters)
for method in customMethods {
let rawMethod = convertAccessMethod(accessMethod: method)
rawCustomMethods.append(rawMethod)
}
// 5. Reunite them all in one, and pass it to rust
return rawCustomMethods.withUnsafeMutableBufferPointer(
{
init_access_method_settings_wrapper(
directMethodRaw,
bridgesMethodRaw,
encryptedDNSMethodRaw,
$0.baseAddress!,
UInt(customMethods.count)
)
}
)
}
public func convertAccessMethod(accessMethod: PersistentAccessMethod) -> UnsafeMutableRawPointer? {
switch accessMethod.proxyConfiguration {
case .direct, .bridges, .encryptedDNS:
return convert_builtin_access_method_setting(
accessMethod.id.uuidString,
accessMethod.name,
accessMethod.isEnabled,
accessMethod.kind(),
nil
)
case let .shadowsocks(configuration):
let serverAddress = configuration.server.rawValue.map { $0 }
let shadowsocksConfiguration = new_shadowsocks_access_method_setting(
serverAddress,
UInt(serverAddress.count),
configuration.port,
configuration.password,
configuration.cipher.rawValue.rawValue
)
let shadowsocksMethodRaw = convert_builtin_access_method_setting(
accessMethod.id.uuidString,
accessMethod.name,
accessMethod.isEnabled,
accessMethod.kind(),
shadowsocksConfiguration
)
return shadowsocksMethodRaw
case let .socks5(configuration):
let serverAddress = configuration.server.rawValue.map { $0 }
let socks5Configuration = new_socks5_access_method_setting(
serverAddress,
UInt(serverAddress.count),
configuration.port,
configuration.credential?.username,
configuration.credential?.password
)
let socks5MethodRaw = convert_builtin_access_method_setting(
accessMethod.id.uuidString,
accessMethod.name,
accessMethod.isEnabled,
accessMethod.kind(),
socks5Configuration
)
return socks5MethodRaw
}
}
fileprivate
extension PersistentAccessMethod
{
func kind() -> UInt8 {
switch kind {
case .direct: UInt8(KindDirect.rawValue)
case .bridges: UInt8(KindBridge.rawValue)
case .encryptedDNS: UInt8(KindEncryptedDnsProxy.rawValue)
case .shadowsocks: UInt8(KindShadowsocks.rawValue)
case .socks5: UInt8(KindSocks5Local.rawValue)
}
}
}
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