2018-09-05 06:15:55 +02:00
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//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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import Foundation
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import PromiseKit
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// We generate 100 one-time prekeys at a time. We should replenish
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// whenever ~2/3 of them have been consumed.
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let kEphemeralPreKeysMinimumCount: UInt = 35
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2018-09-05 18:50:01 +02:00
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@objc(SSKCreatePreKeysOperation)
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public class CreatePreKeysOperation: OWSOperation {
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private var accountManager: AccountManager {
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return AccountManager.shared
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}
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private var primaryStorage: OWSPrimaryStorage {
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return OWSPrimaryStorage.shared()
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}
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private var identityKeyManager: OWSIdentityManager {
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return OWSIdentityManager.shared()
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}
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public override func run() {
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Logger.debug("")
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if self.identityKeyManager.identityKeyPair() == nil {
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self.identityKeyManager.generateNewIdentityKey()
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}
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let identityKey: Data = self.identityKeyManager.identityKeyPair()!.publicKey
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let signedPreKeyRecord: SignedPreKeyRecord = self.primaryStorage.generateRandomSignedRecord()
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let preKeyRecords: [PreKeyRecord] = self.primaryStorage.generatePreKeyRecords()
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firstly {
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return self.accountManager.setPreKeys(identityKey: identityKey, signedPreKeyRecord: signedPreKeyRecord, preKeyRecords: preKeyRecords)
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}.then { () -> Void in
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signedPreKeyRecord.markAsAcceptedByService()
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self.primaryStorage.storeSignedPreKey(signedPreKeyRecord.id, signedPreKeyRecord: signedPreKeyRecord)
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self.primaryStorage.setCurrentSignedPrekeyId(signedPreKeyRecord.id)
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self.primaryStorage.storePreKeyRecords(preKeyRecords)
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}.then { () -> Void in
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Logger.debug("done")
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self.reportSuccess()
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}.catch { error in
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self.reportError(error)
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}.retainUntilComplete()
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}
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}
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@objc(SSKRotateSignedPreKeyOperation)
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public class RotateSignedPreKeyOperation: OWSOperation {
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private var tsAccountManager: TSAccountManager {
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return TSAccountManager.sharedInstance()
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}
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private var accountManager: AccountManager {
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return AccountManager.shared
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}
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private var primaryStorage: OWSPrimaryStorage {
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return OWSPrimaryStorage.shared()
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}
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public override func run() {
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Logger.debug("")
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guard tsAccountManager.isRegistered() else {
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Logger.debug("skipping - not registered")
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return
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}
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let signedPreKeyRecord: SignedPreKeyRecord = self.primaryStorage.generateRandomSignedRecord()
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firstly {
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return self.accountManager.setSignedPreKey(signedPreKeyRecord)
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}.then(on: DispatchQueue.global()) { () -> Void in
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Logger.info("Successfully uploaded signed PreKey")
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signedPreKeyRecord.markAsAcceptedByService()
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self.primaryStorage.storeSignedPreKey(signedPreKeyRecord.id, signedPreKeyRecord: signedPreKeyRecord)
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self.primaryStorage.setCurrentSignedPrekeyId(signedPreKeyRecord.id)
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2018-09-06 06:44:36 +02:00
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TSPreKeyManager.clearPreKeyUpdateFailureCount()
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2018-09-05 18:50:01 +02:00
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TSPreKeyManager.clearSignedPreKeyRecords()
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}.then { () -> Void in
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Logger.debug("done")
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self.reportSuccess()
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}.catch { error in
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self.reportError(error)
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}.retainUntilComplete()
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}
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2018-09-06 06:44:36 +02:00
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override public func didFail(error: Error) {
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switch error {
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case let networkManagerError as NetworkManagerError:
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guard !networkManagerError.isNetworkError else {
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Logger.debug("don't report SPK rotation failure w/ network error")
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return
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}
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guard networkManagerError.statusCode >= 400 && networkManagerError.statusCode <= 599 else {
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Logger.debug("don't report SPK rotation failure w/ non application error")
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return
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}
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TSPreKeyManager.incrementPreKeyUpdateFailureCount()
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default:
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Logger.debug("don't report SPK rotation failure w/ non NetworkManager error: \(error)")
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}
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}
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2018-09-05 18:50:01 +02:00
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}
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2018-09-05 06:15:55 +02:00
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@objc(SSKRefreshPreKeysOperation)
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public class RefreshPreKeysOperation: OWSOperation {
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private var tsAccountManager: TSAccountManager {
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return TSAccountManager.sharedInstance()
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}
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private var accountManager: AccountManager {
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return AccountManager.shared
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}
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2018-09-05 18:50:01 +02:00
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2018-09-05 06:15:55 +02:00
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private var primaryStorage: OWSPrimaryStorage {
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return OWSPrimaryStorage.shared()
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}
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private var identityKeyManager: OWSIdentityManager {
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return OWSIdentityManager.shared()
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}
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public override func run() {
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Logger.debug("")
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guard tsAccountManager.isRegistered() else {
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Logger.debug("skipping - not registered")
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return
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}
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firstly {
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self.accountManager.getPreKeysCount()
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}.then(on: DispatchQueue.global()) { preKeysCount -> Promise<Void> in
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Logger.debug("preKeysCount: \(preKeysCount)")
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guard preKeysCount < kEphemeralPreKeysMinimumCount || self.primaryStorage.currentSignedPrekeyId() == nil else {
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Logger.debug("Available keys sufficient: \(preKeysCount)")
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return Promise(value: ())
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}
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let identityKey: Data = self.identityKeyManager.identityKeyPair()!.publicKey
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let signedPreKeyRecord: SignedPreKeyRecord = self.primaryStorage.generateRandomSignedRecord()
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let preKeyRecords: [PreKeyRecord] = self.primaryStorage.generatePreKeyRecords()
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return self.accountManager.setPreKeys(identityKey: identityKey, signedPreKeyRecord: signedPreKeyRecord, preKeyRecords: preKeyRecords).then { () -> Void in
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signedPreKeyRecord.markAsAcceptedByService()
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self.primaryStorage.storeSignedPreKey(signedPreKeyRecord.id, signedPreKeyRecord: signedPreKeyRecord)
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self.primaryStorage.setCurrentSignedPrekeyId(signedPreKeyRecord.id)
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self.primaryStorage.storePreKeyRecords(preKeyRecords)
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2018-09-06 06:44:36 +02:00
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TSPreKeyManager.clearPreKeyUpdateFailureCount()
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2018-09-05 06:15:55 +02:00
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TSPreKeyManager.clearSignedPreKeyRecords()
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}
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}.then { () -> Void in
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Logger.debug("done")
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self.reportSuccess()
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}.catch { error in
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self.reportError(error)
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}.retainUntilComplete()
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}
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2018-09-06 06:44:36 +02:00
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override public func didFail(error: Error) {
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switch error {
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case let networkManagerError as NetworkManagerError:
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guard !networkManagerError.isNetworkError else {
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Logger.debug("don't report SPK rotation failure w/ network error")
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return
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}
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guard networkManagerError.statusCode >= 400 && networkManagerError.statusCode <= 599 else {
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Logger.debug("don't report SPK rotation failure w/ non application error")
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return
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}
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TSPreKeyManager.incrementPreKeyUpdateFailureCount()
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default:
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Logger.debug("don't report SPK rotation failure w/ non NetworkManager error: \(error)")
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}
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}
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2018-09-05 06:15:55 +02:00
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}
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