another.im-ios/ConversationsClassic/AppData/Client/Client+MartinOMEMO.swift
2024-08-31 14:06:14 +02:00

477 lines
17 KiB
Swift

import Foundation
import GRDB
import Martin
import MartinOMEMO
final class ClientMartinOMEMO {
let credentials: Credentials
private let queue = DispatchQueue(label: "SignalPreKeyRemovalQueue")
private var preKeysMarkedForRemoval: [UInt32] = []
init(_ credentials: Credentials) {
self.credentials = credentials
_ = regenerateKeys(wipe: false)
print("ClientMartinOMEMO init")
}
deinit {
print("ClientMartinOMEMO deinit")
}
var signal: (SignalStorage, SignalContext) {
let signalStorage = SignalStorage(sessionStore: self, preKeyStore: self, signedPreKeyStore: self, identityKeyStore: self, senderKeyStore: self)
// swiftlint:disable:next force_unwrapping
let signalContext = SignalContext(withStorage: signalStorage)!
signalStorage.setup(withContext: signalContext)
return (signalStorage, signalContext)
}
private func regenerateKeys(wipe: Bool = false) -> Bool {
if wipe {
OMEMOSession.wipe(account: credentials.bareJid)
OMEMOPreKey.wipe(account: credentials.bareJid)
OMEMOSignedPreKey.wipe(account: credentials.bareJid)
OMEMOIdentity.wipe(account: credentials.bareJid)
}
let hasKeyPair = keyPair() != nil
if wipe || localRegistrationId() == 0 || !hasKeyPair {
// let regId: UInt32 = signalContext.generateRegistrationId()
// AccountSettings.omemoRegistrationId(for: context!.sessionObject.userBareJid!, value: regId)
//
// let keyPair = SignalIdentityKeyPair.generateKeyPair(context: signalContext)
// if !identityKeyStore.save(identity: SignalAddress(name: context!.sessionObject.userBareJid!.stringValue, deviceId: Int32(identityKeyStore.localRegistrationId())), key: keyPair) {}
}
return true
}
}
// MARK: - Session
extension ClientMartinOMEMO: SignalSessionStoreProtocol {
func sessionRecord(forAddress address: MartinOMEMO.SignalAddress) -> Data? {
if let key = OMEMOSession.keyFor(account: credentials.bareJid, name: address.name, deviceId: address.deviceId) {
return Data(base64Encoded: key)
} else {
return nil
}
}
func allDevices(for name: String, activeAndTrusted: Bool) -> [Int32] {
activeAndTrusted ?
OMEMOSession.trustedDevicesIdsFor(account: credentials.bareJid, name: name) :
OMEMOSession.devicesIdsFor(account: credentials.bareJid, name: name)
}
func storeSessionRecord(_ data: Data, forAddress: MartinOMEMO.SignalAddress) -> Bool {
do {
try Database.shared.dbQueue.write { db in
try OMEMOSession(
account: credentials.bareJid,
name: forAddress.name,
deviceId: Int(forAddress.deviceId),
key: data.base64EncodedString()
)
.insert(db)
}
return true
} catch {
logIt(.error, "Error storing session info: \(error.localizedDescription)")
return false
}
}
func containsSessionRecord(forAddress: MartinOMEMO.SignalAddress) -> Bool {
OMEMOSession.keyFor(account: credentials.bareJid, name: forAddress.name, deviceId: forAddress.deviceId) != nil
}
func deleteSessionRecord(forAddress: MartinOMEMO.SignalAddress) -> Bool {
do {
_ = try Database.shared.dbQueue.write { db in
try OMEMOSession
.filter(Column("account") == credentials.bareJid)
.filter(Column("name") == forAddress.name)
.filter(Column("deviceId") == forAddress.deviceId)
.deleteAll(db)
}
return true
} catch {
logIt(.error, "Error fetching chats: \(error.localizedDescription)")
return false
}
}
func deleteAllSessions(for name: String) -> Bool {
do {
_ = try Database.shared.dbQueue.write { db in
try OMEMOSession
.filter(Column("account") == credentials.bareJid)
.filter(Column("name") == name)
.deleteAll(db)
}
return true
} catch {
logIt(.error, "Error fetching chats: \(error.localizedDescription)")
return false
}
}
func sessionsWipe() {
do {
_ = try Database.shared.dbQueue.write { db in
try OMEMOSession
.filter(Column("account") == credentials.bareJid)
.deleteAll(db)
}
} catch {
logIt(.error, "Error fetching chats: \(error.localizedDescription)")
}
}
}
// MARK: - Identity
extension ClientMartinOMEMO: SignalIdentityKeyStoreProtocol {
func keyPair() -> (any MartinOMEMO.SignalIdentityKeyPairProtocol)? {
// guard let deviceId = localRegistrationId(forAccount: account) else {
// return nil
// }
//
// guard
// let data = try! Database.main.reader({ database in
// try database.select(query: .omemoKeyPairForAccount, params: ["account": account, "name": account.stringValue, "deviceId": deviceId]).mapFirst { $0.data(for: "key") }
// })
// else {
// return nil
// }
//
// return SignalIdentityKeyPair(fromKeyPairData: data)
nil
}
func localRegistrationId() -> UInt32 {
//
//
//
//
//
//
0
}
func save(identity: MartinOMEMO.SignalAddress, key: (any MartinOMEMO.SignalIdentityKeyProtocol)?) -> Bool {
print(identity, key)
return false
}
func save(identity: MartinOMEMO.SignalAddress, publicKeyData: Data?) -> Bool {
print(identity, publicKeyData)
return false
}
func isTrusted(identity _: MartinOMEMO.SignalAddress, key _: (any MartinOMEMO.SignalIdentityKeyProtocol)?) -> Bool {
true
}
func isTrusted(identity _: MartinOMEMO.SignalAddress, publicKeyData _: Data?) -> Bool {
true
}
func setStatus(_ status: MartinOMEMO.IdentityStatus, forIdentity: MartinOMEMO.SignalAddress) -> Bool {
print(status, forIdentity)
return false
}
func setStatus(active: Bool, forIdentity: MartinOMEMO.SignalAddress) -> Bool {
print(active, forIdentity)
return false
}
func identities(forName name: String) -> [MartinOMEMO.Identity] {
do {
return try Database.shared.dbQueue.read { db in
try Row.fetchAll(
db,
sql: "SELECT * FROM omemo_identities WHERE account = :account AND name = :name",
arguments: ["account": credentials.bareJid, "name": name]
)
}.compactMap { row in
guard
let fingerprint = row["fingerprint"] as? String,
let statusInt = row["status"] as? Int,
let status = MartinOMEMO.IdentityStatus(rawValue: statusInt),
let deviceId = row["device_id"] as? Int32,
let own = row["own"] as? Int,
let key = row["key"] as? Data
else {
return nil
}
return MartinOMEMO.Identity(address: MartinOMEMO.SignalAddress(name: name, deviceId: deviceId), status: status, fingerprint: fingerprint, key: key, own: own > 0)
}
} catch {
logIt(.error, "Error fetching chats: \(error.localizedDescription)")
return []
}
}
func identityFingerprint(forAddress address: MartinOMEMO.SignalAddress) -> String? {
do {
let data = try Database.shared.dbQueue.read { db in
try Row.fetchOne(
db,
sql: "SELECT fingerprint FROM omemo_identities WHERE account = :account AND name = :name AND device_id = :deviceId",
arguments: ["account": credentials.bareJid, "name": address.name, "deviceId": address.deviceId]
)
}
return data?["fingerprint"]
} catch {
logIt(.error, "Error fetching chats: \(error.localizedDescription)")
return nil
}
}
}
// MARK: - PreKey
extension ClientMartinOMEMO: SignalPreKeyStoreProtocol {
func currentPreKeyId() -> UInt32 {
do {
let data = try Database.shared.dbQueue.read { db in
try Row.fetchOne(
db,
sql: "SELECT max(id) FROM omemo_pre_keys WHERE account = :account",
arguments: ["account": credentials.bareJid]
)
}
return data?["id"] ?? 0
} catch {
logIt(.error, "Error fetching chats: \(error.localizedDescription)")
return 0
}
}
func loadPreKey(withId: UInt32) -> Data? {
do {
let data = try Database.shared.dbQueue.read { db in
try Row.fetchOne(
db,
sql: "SELECT key FROM omemo_pre_keys WHERE account = :account AND id = :id",
arguments: ["account": credentials.bareJid, "id": withId]
)
}
return data?["key"]
} catch {
logIt(.error, "Error fetching chats: \(error.localizedDescription)")
return nil
}
}
func storePreKey(_ data: Data, withId: UInt32) -> Bool {
do {
try Database.shared.dbQueue.write { db in
try db.execute(
sql: "INSERT INTO omemo_pre_keys (account, id, key) VALUES (:account, :id, :key)",
arguments: ["account": credentials.bareJid, "id": withId, "key": data]
)
}
return true
} catch {
logIt(.error, "Error fetching chats: \(error.localizedDescription)")
return false
}
}
func containsPreKey(withId: UInt32) -> Bool {
do {
let rec = try Database.shared.dbQueue.read { db in
try Row.fetchOne(
db,
sql: "SELECT key FROM omemo_pre_keys WHERE account = :account AND id = :id",
arguments: ["account": credentials.bareJid, "id": withId]
)
}
return rec != nil
} catch {
logIt(.error, "Error fetching chats: \(error.localizedDescription)")
return false
}
}
func deletePreKey(withId: UInt32) -> Bool {
queue.async {
print("queueing prekey with id \(withId) for removal..")
self.preKeysMarkedForRemoval.append(withId)
}
return true
}
// TODO: Check logic of this function carefully!!!
func flushDeletedPreKeys() -> Bool {
false
// !queue.sync { () -> [UInt32] in
// defer {
// preKeysMarkedForRemoval.removeAll()
// }
// print("removing queued prekeys: \(preKeysMarkedForRemoval)")
// do {
// Database.shared.dbQueue.write { db in
// try db.execute(
// sql: "DETLETE FROM omemo_pre_keys WHERE account = :account AND id IN (:ids)",
// arguments: ["account": credentials.bareJid, "ids": preKeysMarkedForRemoval]
// )
// }
// } catch {
// logIt(.error, "Error fetching chats: \(error.localizedDescription)")
// return [0]
// }
//
// // return preKeysMarkedForRemoval.filter { id in DBOMEMOStore.instance.deletePreKey(forAccount: context!.sessionObject.userBareJid!, withId: id) }
// }.isEmpty
//
//
//
// do {
// try Database.shared.dbQueue.write { db in
// try db.execute(
// sql: """
// DELETE FROM omemo_pre_keys
// WHERE account = :account
// AND id IN (
// SELECT id
// FROM omemo_pre_keys
// WHERE account = :account
// AND id NOT IN (
// SELECT id
// FROM omemo_pre_keys
// WHERE account = :account
// ORDER BY id DESC
// LIMIT 100)
// )
// """,
// arguments: ["account": credentials.bareJid]
// )
// }
// return true
// } catch {
// logIt(.error, "Error fetching chats: \(error.localizedDescription)")
// return false
// }
}
func preKeysWipe() {
do {
try Database.shared.dbQueue.write { db in
try db.execute(
sql: "DELETE FROM omemo_pre_keys WHERE account = :account",
arguments: ["account": credentials.bareJid]
)
}
} catch {
logIt(.error, "Error fetching chats: \(error.localizedDescription)")
}
}
}
// MARK: - SignedPreKey
extension ClientMartinOMEMO: SignalSignedPreKeyStoreProtocol {
func countSignedPreKeys() -> Int {
do {
let data = try Database.shared.dbQueue.read { db in
try Row.fetchOne(
db,
sql: "SELECT count(1) FROM omemo_signed_pre_keys WHERE account = :account",
arguments: ["account": credentials.bareJid]
)
}
return data?["count(1)"] ?? 0
} catch {
logIt(.error, "Error fetching chats: \(error.localizedDescription)")
return 0
}
}
func loadSignedPreKey(withId: UInt32) -> Data? {
do {
let data = try Database.shared.dbQueue.read { db in
try Row.fetchOne(
db,
sql: "SELECT key FROM omemo_signed_pre_keys WHERE account = :account AND id = :id",
arguments: ["account": credentials.bareJid, "id": withId]
)
}
return data?["key"]
} catch {
logIt(.error, "Error fetching chats: \(error.localizedDescription)")
return nil
}
}
func storeSignedPreKey(_ data: Data, withId: UInt32) -> Bool {
do {
try Database.shared.dbQueue.write { db in
try db.execute(
sql: "INSERT INTO omemo_signed_pre_keys (account, id, key) VALUES (:account, :id, :key)",
arguments: ["account": credentials.bareJid, "id": withId, "key": data]
)
}
return true
} catch {
logIt(.error, "Error fetching chats: \(error.localizedDescription)")
return false
}
}
func containsSignedPreKey(withId: UInt32) -> Bool {
do {
let rec = try Database.shared.dbQueue.read { db in
try Row.fetchOne(
db,
sql: "SELECT key FROM omemo_signed_pre_keys WHERE account = :account AND id = :id",
arguments: ["account": credentials.bareJid, "id": withId]
)
}
return rec != nil
} catch {
logIt(.error, "Error fetching chats: \(error.localizedDescription)")
return false
}
}
func deleteSignedPreKey(withId: UInt32) -> Bool {
do {
try Database.shared.dbQueue.write { db in
try db.execute(
sql: "DELETE FROM omemo_signed_pre_keys WHERE account = :account AND id = :id",
arguments: ["account": credentials.bareJid, "id": withId]
)
}
return true
} catch {
logIt(.error, "Error fetching chats: \(error.localizedDescription)")
return false
}
}
func wipeSignedPreKeys() {
do {
try Database.shared.dbQueue.write { db in
try db.execute(
sql: "DELETE FROM omemo_signed_pre_keys WHERE account = :account",
arguments: ["account": credentials.bareJid]
)
}
} catch {
logIt(.error, "Error fetching chats: \(error.localizedDescription)")
}
}
}
// MARK: - SenderKey
extension ClientMartinOMEMO: SignalSenderKeyStoreProtocol {
func storeSenderKey(_: Data, address _: MartinOMEMO.SignalAddress?, groupId _: String?) -> Bool {
false
}
func loadSenderKey(forAddress _: MartinOMEMO.SignalAddress?, groupId _: String?) -> Data? {
nil
}
}