Add multi device friend request acceptance test
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@ -4466,7 +4466,7 @@ typedef enum : NSUInteger {
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- (void)acceptFriendRequest:(TSIncomingMessage *)friendRequest
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{
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[OWSPrimaryStorage.sharedManager.dbReadWriteConnection readWriteWithBlock:^(YapDatabaseReadWriteTransaction *transaction) {
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[LKFriendRequestProtocol acceptFriendRequest:friendRequest in:self.thread using:transaction];
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[LKFriendRequestProtocol acceptFriendRequestFrom:friendRequest.authorId in:self.thread using:transaction];
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}];
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}
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@ -0,0 +1,12 @@
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public extension Data {
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/// Returns `size` bytes of random data generated using the default secure random number generator. See
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/// [SecRandomCopyBytes](https://developer.apple.com/documentation/security/1399291-secrandomcopybytes) for more information.
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public static func getSecureRandomData(ofSize size: UInt) -> Data? {
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var data = Data(count: Int(size))
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let result = data.withUnsafeMutableBytes { SecRandomCopyBytes(kSecRandomDefault, Int(size), $0.baseAddress!) }
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guard result == errSecSuccess else { return nil }
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return data
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}
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}
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@ -7,19 +7,10 @@ extension OnionRequestAPI {
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internal typealias EncryptionResult = (ciphertext: Data, symmetricKey: Data, ephemeralPublicKey: Data)
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/// Returns `size` bytes of random data generated using the default secure random number generator. See
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/// [SecRandomCopyBytes](https://developer.apple.com/documentation/security/1399291-secrandomcopybytes) for more information.
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private static func getSecureRandomData(ofSize size: UInt) throws -> Data {
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var data = Data(count: Int(size))
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let result = data.withUnsafeMutableBytes { SecRandomCopyBytes(kSecRandomDefault, Int(size), $0.baseAddress!) }
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guard result == errSecSuccess else { throw Error.randomDataGenerationFailed }
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return data
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}
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/// - Note: Sync. Don't call from the main thread.
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private static func encrypt(_ plaintext: Data, usingAESGCMWithSymmetricKey symmetricKey: Data) throws -> Data {
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guard !Thread.isMainThread else { preconditionFailure("It's illegal to call encrypt(_:usingAESGCMWithSymmetricKey:) from the main thread.") }
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let iv = try getSecureRandomData(ofSize: ivSize)
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guard let iv = Data.getSecureRandomData(ofSize: ivSize) else { throw Error.randomDataGenerationFailed }
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let gcm = GCM(iv: iv.bytes, tagLength: Int(gcmTagSize), mode: .combined)
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let aes = try AES(key: symmetricKey.bytes, blockMode: gcm, padding: .noPadding)
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let ciphertext = try aes.encrypt(plaintext.bytes)
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@ -55,18 +55,17 @@ public final class FriendRequestProtocol : NSObject {
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}
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// MARK: - Sending
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@objc(acceptFriendRequest:in:using:)
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public static func acceptFriendRequest(_ friendRequest: TSIncomingMessage, in thread: TSThread, using transaction: YapDatabaseReadWriteTransaction) {
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@objc(acceptFriendRequestFrom:in:using:)
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public static func acceptFriendRequest(from hexEncodedPublicKey: String, in thread: TSThread, using transaction: YapDatabaseReadWriteTransaction) {
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// Accept all outstanding friend requests associated with this user and try to establish sessions with the
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// subset of their devices that haven't sent a friend request.
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let senderID = friendRequest.authorId
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let linkedDeviceThreads = LokiDatabaseUtilities.getLinkedDeviceThreads(for: senderID, in: transaction) // This doesn't create new threads if they don't exist yet
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let linkedDeviceThreads = LokiDatabaseUtilities.getLinkedDeviceThreads(for: hexEncodedPublicKey, in: transaction) // This doesn't create new threads if they don't exist yet
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for thread in linkedDeviceThreads {
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if thread.hasPendingFriendRequest {
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sendFriendRequestAcceptanceMessage(to: thread.contactIdentifier(), in: thread, using: transaction) // NOT senderID
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sendFriendRequestAcceptanceMessage(to: thread.contactIdentifier(), in: thread, using: transaction) // NOT hexEncodedPublicKey
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thread.saveFriendRequestStatus(.friends, with: transaction)
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} else {
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let autoGeneratedFRMessageSend = MultiDeviceProtocol.getAutoGeneratedMultiDeviceFRMessageSend(for: senderID, in: transaction)
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let autoGeneratedFRMessageSend = MultiDeviceProtocol.getAutoGeneratedMultiDeviceFRMessageSend(for: thread.contactIdentifier(), in: transaction) // NOT hexEncodedPublicKey
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OWSDispatch.sendingQueue().async {
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let messageSender = SSKEnvironment.shared.messageSender
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messageSender.sendMessage(autoGeneratedFRMessageSend)
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@ -1,9 +1,68 @@
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import CryptoSwift
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import PromiseKit
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@testable import SignalServiceKit
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import XCTest
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class FriendRequestProtocolTests : XCTestCase {
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// TODO: Add tests
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private var storage: OWSPrimaryStorage { OWSPrimaryStorage.shared() }
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override func setUp() {
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super.setUp()
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// Activate the mock environment
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ClearCurrentAppContextForTests()
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SetCurrentAppContext(TestAppContext())
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MockSSKEnvironment.activate()
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// Register a mock user
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let identityManager = OWSIdentityManager.shared()
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let seed = Randomness.generateRandomBytes(16)!
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let keyPair = Curve25519.generateKeyPair(fromSeed: seed + seed)
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let databaseConnection = identityManager.value(forKey: "dbConnection") as! YapDatabaseConnection
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databaseConnection.setObject(keyPair, forKey: OWSPrimaryStorageIdentityKeyStoreIdentityKey, inCollection: OWSPrimaryStorageIdentityKeyStoreCollection)
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TSAccountManager.sharedInstance().phoneNumberAwaitingVerification = keyPair.hexEncodedPublicKey
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TSAccountManager.sharedInstance().didRegister()
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}
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func testMultiDeviceFriendRequestAcceptance() {
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// When Alice accepts Bob's friend request, she should accept all outstanding friend requests with Bob's
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// linked devices and try to establish sessions with the subset of Bob's devices that haven't sent a friend request.
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func getDevice() -> DeviceLink.Device? {
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guard let publicKey = Data.getSecureRandomData(ofSize: 64) else { return nil }
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let hexEncodedPublicKey = "05" + publicKey.toHexString()
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guard let signature = Data.getSecureRandomData(ofSize: 64) else { return nil }
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return DeviceLink.Device(hexEncodedPublicKey: hexEncodedPublicKey, signature: signature)
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}
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func createThread(for hexEncodedPublicKey: String) -> TSContactThread {
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var result: TSContactThread!
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storage.dbReadWriteConnection.readWrite { transaction in
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result = TSContactThread.getOrCreateThread(withContactId: hexEncodedPublicKey, transaction: transaction)
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}
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return result
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}
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// Get devices
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guard let bobMasterDevice = getDevice() else { return XCTFail() }
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guard let bobSlaveDevice = getDevice() else { return XCTFail() }
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// Create device link
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let bobDeviceLink = DeviceLink(between: bobMasterDevice, and: bobSlaveDevice)
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storage.dbReadWriteConnection.readWrite { transaction in
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self.storage.addDeviceLink(bobDeviceLink, in: transaction)
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}
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// Create threads
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let bobMasterThread = createThread(for: bobMasterDevice.hexEncodedPublicKey)
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let bobSlaveThread = createThread(for: bobSlaveDevice.hexEncodedPublicKey)
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// Scenario 1: Alice has a pending friend request from Bob's master device, and nothing
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// from his slave device. After accepting the pending friend request we'd expect the
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// friend request status for Bob's master thread to be `friends`, and that of Bob's
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// slave thread to be `requestSent`.
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storage.dbReadWriteConnection.readWrite { transaction in
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bobMasterThread.saveFriendRequestStatus(.requestReceived, with: transaction)
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bobSlaveThread.saveFriendRequestStatus(.none, with: transaction)
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}
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storage.dbReadWriteConnection.readWrite { transaction in
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FriendRequestProtocol.acceptFriendRequest(from: bobMasterDevice.hexEncodedPublicKey, in: bobMasterThread, using: transaction)
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}
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XCTAssert(bobMasterThread.friendRequestStatus == .friends)
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XCTAssert(bobSlaveThread.friendRequestStatus == .requestSent)
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// TODO: Add other scenarios
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}
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}
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@ -40,6 +40,7 @@ class OWSUDManagerTest: SSKBaseTestSwift {
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let aliceRecipientId = "+13213214321"
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override func setUp() {
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/*
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super.setUp()
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tsAccountManager.registerForTests(withLocalNumber: aliceRecipientId)
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@ -60,6 +61,7 @@ class OWSUDManagerTest: SSKBaseTestSwift {
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signatureData: Randomness.generateRandomBytes(ECCSignatureLength))
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udManager.setSenderCertificate(try! senderCertificate.serialized())
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*/
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}
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override func tearDown() {
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