Swiftgram/TelegramCore/Account.swift
2016-08-16 14:02:36 +03:00

371 lines
14 KiB
Swift

import Foundation
import SwiftSignalKit
import Postbox
import MtProtoKit
import Display
import TelegramCorePrivate
struct AccountId {
let stringValue: String
}
class AccountState: Coding, Equatable {
required init(decoder: Decoder) {
}
func encode(_ encoder: Encoder) {
}
private init() {
}
private func equalsTo(_ other: AccountState) -> Bool {
return false
}
}
func ==(lhs: AccountState, rhs: AccountState) -> Bool {
return lhs.equalsTo(rhs)
}
final class UnauthorizedAccountState: AccountState {
let masterDatacenterId: Int32
required init(decoder: Decoder) {
self.masterDatacenterId = decoder.decodeInt32ForKey("masterDatacenterId")
super.init()
}
override func encode(_ encoder: Encoder) {
encoder.encodeInt32(self.masterDatacenterId, forKey: "masterDatacenterId")
}
init(masterDatacenterId: Int32) {
self.masterDatacenterId = masterDatacenterId
super.init()
}
override func equalsTo(_ other: AccountState) -> Bool {
if let other = other as? UnauthorizedAccountState {
return self.masterDatacenterId == other.masterDatacenterId
} else {
return false
}
}
}
class AuthorizedAccountState: AccountState {
final class State: Coding, Equatable, CustomStringConvertible {
let pts: Int32
let qts: Int32
let date: Int32
let seq: Int32
init(pts: Int32, qts: Int32, date: Int32, seq: Int32) {
self.pts = pts
self.qts = qts
self.date = date
self.seq = seq
}
init(decoder: Decoder) {
self.pts = decoder.decodeInt32ForKey("pts")
self.qts = decoder.decodeInt32ForKey("qts")
self.date = decoder.decodeInt32ForKey("date")
self.seq = decoder.decodeInt32ForKey("seq")
}
func encode(_ encoder: Encoder) {
encoder.encodeInt32(self.pts, forKey: "pts")
encoder.encodeInt32(self.qts, forKey: "qts")
encoder.encodeInt32(self.date, forKey: "date")
encoder.encodeInt32(self.seq, forKey: "seq")
}
var description: String {
return "(pts: \(pts), qts: \(qts), seq: \(seq), date: \(date))"
}
}
let masterDatacenterId: Int32
let peerId: PeerId
let state: State?
required init(decoder: Decoder) {
self.masterDatacenterId = decoder.decodeInt32ForKey("masterDatacenterId")
self.peerId = PeerId(decoder.decodeInt64ForKey("peerId"))
self.state = decoder.decodeObjectForKey("state", decoder: { return State(decoder: $0) }) as? State
super.init()
}
override func encode(_ encoder: Encoder) {
encoder.encodeInt32(self.masterDatacenterId, forKey: "masterDatacenterId")
encoder.encodeInt64(self.peerId.toInt64(), forKey: "peerId")
if let state = self.state {
encoder.encodeObject(state, forKey: "state")
}
}
init(masterDatacenterId: Int32, peerId: PeerId, state: State?) {
self.masterDatacenterId = masterDatacenterId
self.peerId = peerId
self.state = state
super.init()
}
func changedState(_ state: State) -> AuthorizedAccountState {
return AuthorizedAccountState(masterDatacenterId: self.masterDatacenterId, peerId: self.peerId, state: state)
}
override func equalsTo(_ other: AccountState) -> Bool {
if let other = other as? AuthorizedAccountState {
return self.masterDatacenterId == other.masterDatacenterId &&
self.peerId == other.peerId &&
self.state == other.state
} else {
return false
}
}
}
func ==(lhs: AuthorizedAccountState.State, rhs: AuthorizedAccountState.State) -> Bool {
return lhs.pts == rhs.pts &&
lhs.qts == rhs.qts &&
lhs.date == rhs.date &&
lhs.seq == rhs.seq
}
func currentAccountId() -> AccountId {
let key = "Telegram_currentAccountId"
if let id = UserDefaults.standard.object(forKey: key) as? String {
return AccountId(stringValue: id)
} else {
let id = generateAccountId()
UserDefaults.standard.set(id.stringValue, forKey: key)
return id
}
}
func generateAccountId() -> AccountId {
return AccountId(stringValue: NSUUID().uuidString)
}
class UnauthorizedAccount {
let id: AccountId
let postbox: Postbox
let network: Network
var masterDatacenterId: Int32 {
return Int32(self.network.mtProto.datacenterId)
}
init(id: AccountId, postbox: Postbox, network: Network) {
self.id = id
self.postbox = postbox
self.network = network
}
func changedMasterDatacenterId(_ masterDatacenterId: Int32) -> UnauthorizedAccount {
if masterDatacenterId == Int32(self.network.mtProto.datacenterId) {
return self
} else {
let postbox = self.postbox
let keychain = Keychain(get: { key in
return postbox.keychainEntryForKey(key)
}, set: { (key, data) in
postbox.setKeychainEntryForKey(key, value: data)
}, remove: { key in
postbox.removeKeychainEntryForKey(key)
})
return UnauthorizedAccount(id: self.id, postbox: self.postbox, network: Network(datacenterId: Int(masterDatacenterId), keychain: keychain))
}
}
}
func accountWithId(_ id: AccountId) -> Signal<Either<UnauthorizedAccount, Account>, NoError> {
return Signal<(Postbox, AccountState?), NoError> { subscriber in
declareEncodable(UnauthorizedAccountState.self, f: { UnauthorizedAccountState(decoder: $0) })
declareEncodable(AuthorizedAccountState.self, f: { AuthorizedAccountState(decoder: $0) })
declareEncodable(TelegramUser.self, f: { TelegramUser(decoder: $0) })
declareEncodable(TelegramGroup.self, f: { TelegramGroup(decoder: $0) })
declareEncodable(TelegramMediaImage.self, f: { TelegramMediaImage(decoder: $0) })
declareEncodable(TelegramMediaImageRepresentation.self, f: { TelegramMediaImageRepresentation(decoder: $0) })
declareEncodable(TelegramMediaVoiceNote.self, f: { TelegramMediaVoiceNote(decoder: $0) })
declareEncodable(TelegramMediaContact.self, f: { TelegramMediaContact(decoder: $0) })
declareEncodable(TelegramMediaMap.self, f: { TelegramMediaMap(decoder: $0) })
declareEncodable(TelegramMediaFile.self, f: { TelegramMediaFile(decoder: $0) })
declareEncodable(TelegramMediaFileAttribute.self, f: { TelegramMediaFileAttribute(decoder: $0) })
declareEncodable(TelegramCloudFileLocation.self, f: { TelegramCloudFileLocation(decoder: $0) })
declareEncodable(ChannelState.self, f: { ChannelState(decoder: $0) })
declareEncodable(InlineBotMessageAttribute.self, f: { InlineBotMessageAttribute(decoder: $0) })
declareEncodable(TextEntitiesMessageAttribute.self, f: { TextEntitiesMessageAttribute(decoder: $0) })
declareEncodable(ReplyMessageAttribute.self, f: { ReplyMessageAttribute(decoder: $0) })
declareEncodable(TelegramCloudDocumentLocation.self, f: { TelegramCloudDocumentLocation(decoder: $0) })
declareEncodable(TelegramMediaWebpage.self, f: { TelegramMediaWebpage(decoder: $0) })
declareEncodable(ViewCountMessageAttribute.self, f: { ViewCountMessageAttribute(decoder: $0) })
declareEncodable(TelegramMediaAction.self, f: { TelegramMediaAction(decoder: $0) })
declareEncodable(StreamingResource.self, f: { StreamingResource(decoder: $0) })
let path = (NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0] as String) + "/\(id.stringValue)"
let seedConfiguration = SeedConfiguration(initializeChatListWithHoles: [ChatListHole(index: MessageIndex(id: MessageId(peerId: PeerId(namespace: Namespaces.Peer.Empty, id: 0), namespace: Namespaces.Message.Cloud, id: 1), timestamp: 1))], initializeMessageNamespacesWithHoles: [Namespaces.Message.Cloud], existingMessageTags: [.PhotoOrVideo])
let postbox = Postbox(basePath: path + "/postbox", globalMessageIdsNamespace: Namespaces.Message.Cloud, seedConfiguration: seedConfiguration)
return (postbox.state() |> take(1) |> map { accountState in
return (postbox, accountState as? AccountState)
}).start(next: { pair in
subscriber.putNext(pair)
subscriber.putCompletion()
})
} |> map { (postbox, accountState) in
let keychain = Keychain(get: { key in
return postbox.keychainEntryForKey(key)
}, set: { (key, data) in
postbox.setKeychainEntryForKey(key, value: data)
}, remove: { key in
postbox.removeKeychainEntryForKey(key)
})
if let accountState = accountState {
switch accountState {
case let unauthorizedState as UnauthorizedAccountState:
return .left(value: UnauthorizedAccount(id: id, postbox: postbox, network: Network(datacenterId: Int(unauthorizedState.masterDatacenterId), keychain: keychain)))
case let authorizedState as AuthorizedAccountState:
return .right(value: Account(id: id, postbox: postbox, network: Network(datacenterId: Int(authorizedState.masterDatacenterId), keychain: keychain), peerId: authorizedState.peerId))
case _:
assertionFailure("Unexpected accountState \(accountState)")
}
}
return .left(value: UnauthorizedAccount(id: id, postbox: postbox, network: Network(datacenterId: 2, keychain: keychain)))
}
}
struct TwoStepAuthData {
let nextSalt: Data
let currentSalt: Data?
let hasRecovery: Bool
let currentHint: String?
let unconfirmedEmailPattern: String?
}
func twoStepAuthData(_ network: Network) -> Signal<TwoStepAuthData, MTRpcError> {
return network.request(Api.functions.account.getPassword(), dependsOnPasswordEntry: false)
|> map { config -> TwoStepAuthData in
switch config {
case let .noPassword(newSalt, emailUnconfirmedPattern):
return TwoStepAuthData(nextSalt: newSalt.makeData(), currentSalt: nil, hasRecovery: false, currentHint: nil, unconfirmedEmailPattern: emailUnconfirmedPattern)
case let .password(currentSalt, newSalt, hint, hasRecovery, emailUnconfirmedPattern):
return TwoStepAuthData(nextSalt: newSalt.makeData(), currentSalt: currentSalt.makeData(), hasRecovery: hasRecovery == .boolTrue, currentHint: hint, unconfirmedEmailPattern: emailUnconfirmedPattern)
}
}
}
private func sha256(_ data : Data) -> Data {
var res = Data()
res.count = Int(CC_SHA256_DIGEST_LENGTH)
res.withUnsafeMutableBytes { mutableBytes -> Void in
data.withUnsafeBytes { bytes -> Void in
CC_SHA256(bytes, CC_LONG(data.count), mutableBytes)
}
}
return res
}
func verifyPassword(_ account: UnauthorizedAccount, password: String) -> Signal<Api.auth.Authorization, MTRpcError> {
return twoStepAuthData(account.network)
|> mapToSignal { authData -> Signal<Api.auth.Authorization, MTRpcError> in
var data = Data()
data.append(authData.currentSalt!)
data.append(password.data(using: .utf8, allowLossyConversion: true)!)
data.append(authData.currentSalt!)
let currentPasswordHash = sha256(data)
return account.network.request(Api.functions.auth.checkPassword(passwordHash: Buffer(data: currentPasswordHash)), dependsOnPasswordEntry: false)
}
}
class Account {
let id: AccountId
let postbox: Postbox
let network: Network
let peerId: PeerId
private(set) var stateManager: StateManager!
private(set) var viewTracker: AccountViewTracker!
private let managedContactsDisposable = MetaDisposable()
let graphicsThreadPool = ThreadPool(threadCount: 3, threadPriority: 0.1)
//let imageCache: ImageCache = ImageCache(maxResidentSize: 5 * 1024 * 1024)
let settings: AccountSettings = defaultAccountSettings()
var player: AnyObject?
init(id: AccountId, postbox: Postbox, network: Network, peerId: PeerId) {
self.id = id
self.postbox = postbox
self.network = network
self.peerId = peerId
self.stateManager = StateManager(account: self)
self.viewTracker = AccountViewTracker(account: self)
}
deinit {
self.managedContactsDisposable.dispose()
}
}
func setupAccount(_ account: Account) {
account.postbox.setFetchMessageHistoryHole { [weak account] hole, direction, tagMask in
if let strongAccount = account {
return fetchMessageHistoryHole(strongAccount, hole: hole, direction: direction, tagMask: tagMask)
} else {
return never(Void.self, NoError.self)
}
}
account.postbox.setFetchChatListHole { [weak account] hole in
if let strongAccount = account {
return fetchChatListHole(strongAccount, hole: hole)
} else {
return never(Void.self, NoError.self)
}
}
account.postbox.setSendUnsentMessage { [weak account] message in
if let strongAccount = account {
return sendUnsentMessage(account: strongAccount, message: message)
} else {
return never(Void.self, NoError.self)
}
}
account.postbox.setSynchronizePeerReadState { [weak account] peerId, operation -> Signal<Void, NoError> in
if let strongAccount = account {
switch operation {
case .Validate:
return synchronizePeerReadState(account: strongAccount, peerId: peerId, push: false, validate: true)
case let .Push(thenSync):
return synchronizePeerReadState(account: strongAccount, peerId: peerId, push: true, validate: thenSync)
}
} else {
return .never()
}
}
account.postbox.mediaBox.fetchResource = { [weak account] resource, range -> Signal<Data, NoError> in
if let strongAccount = account {
return fetchResource(account: strongAccount, resource: resource, range: range)
} else {
return .never()
}
}
account.managedContactsDisposable.set(manageContacts(network: account.network, postbox: account.postbox).start())
}