started 0.1.*:
- keep an retrieve data key by password - renamed resetPasswordAndSignIn to avoid confusion
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@ -9,7 +9,7 @@ val logback_version="1.2.10"
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group = "net.sergeych"
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version = "0.0.2-SNAPSHOT"
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version = "0.1.0-SNAPSHOT"
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repositories {
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mavenCentral()
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@ -16,6 +16,7 @@ import net.sergeych.parsec3.*
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import net.sergeych.superlogin.*
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import net.sergeych.superlogin.server.SuperloginRestoreAccessPayload
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import net.sergeych.unikrypto.SignedRecord
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import net.sergeych.unikrypto.SymmetricKey
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import kotlin.reflect.KType
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import kotlin.reflect.typeOf
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@ -59,6 +60,7 @@ class SuperloginClient<D, S : WithAdapter>(
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// do actual disconnect work
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_cflow.value = false
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_state.value = LoginState.LoggedOut
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dataKey = null
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} else {
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val v = _state.value
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if (v !is LoginState.LoggedIn<*> || v.loginData != value) {
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@ -96,6 +98,7 @@ class SuperloginClient<D, S : WithAdapter>(
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* Call client API commands with it (uses [adapter] under the hood)
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*/
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suspend fun <A, R> call(ca: CommandDescriptor<A, R>, args: A): R = adapter().invokeCommand(ca, args)
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/**
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* Call client API commands with it (uses [adapter] under the hood)
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*/
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@ -113,7 +116,7 @@ class SuperloginClient<D, S : WithAdapter>(
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private suspend fun tryRestoreLogin() {
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slData?.loginToken?.let { token ->
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debug { "trying to restore login with a token" }
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while( true ) {
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while (true) {
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try {
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val ar = transport.adapter().invokeCommand(serverApi.slLoginByToken, token)
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slData = if (ar is AuthenticationResult.Success) {
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@ -172,6 +175,15 @@ class SuperloginClient<D, S : WithAdapter>(
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*/
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val isLoggedIn get() = state.value.isLoggedIn
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/**
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* The data storage key, a random key created when registering. It is retrieved automatically
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* on login by password and on registration, _It does not restore when logged in by key
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* as it would require storing user's password which must not be done_.
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* Use [retrieveDataKey] to restore to with a password (when logged in)
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*/
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var dataKey: SymmetricKey? = null
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private set
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/**
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* Perform registration and login attempt and return the result. It automatically caches and reuses intermediate
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* long-calculated keys so it runs much fatser when called again with the same password.
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@ -193,6 +205,7 @@ class SuperloginClient<D, S : WithAdapter>(
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.also { rr ->
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if (rr is Registration.Result.Success) {
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slData = SuperloginData(loginName, rr.loginToken, extractData(rr.encodedData))
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dataKey = rr.dataKey
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}
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}
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}
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@ -264,7 +277,10 @@ class SuperloginClient<D, S : WithAdapter>(
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)
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if (result is AuthenticationResult.Success) {
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SuperloginData(loginName, result.loginToken, extractData(result.applicationData))
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.also { slData = it }
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.also {
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slData = it
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dataKey = aco.data.payload.dataStorageKey
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}
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} else null
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}
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} catch (t: Throwable) {
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@ -274,6 +290,42 @@ class SuperloginClient<D, S : WithAdapter>(
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}
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}
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/**
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* Try to retrieve dataKey (usually after login by token), it is impossible
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* to do without a valid password key. Should be logged in. If [dataKey] is not null
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* what means is already known, returns it immediatel, otherwise uses password
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* to access ACO on the server and extract data key.
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* @return data key or null if it is impossible to do (no connection or wrong password)
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*/
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suspend fun retrieveDataKey(password: String): SymmetricKey? {
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mustBeLoggedIn()
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dataKey?.let { return it }
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val loginName = slData?.loginName ?: throw SLInternalException("slData: empty login name")
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try {
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val params = invoke(
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serverApi.slRequestDerivationParams,
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loginName
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)
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val keys = DerivedKeys.derive(password, params)
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// Request login data by derived it
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return invoke(
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serverApi.slRequestACOByLoginName,
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RequestACOByLoginNameArgs(loginName, keys.loginId)
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).let { loginRequest ->
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AccessControlObject.unpackWithKey<SuperloginRestoreAccessPayload>(
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loginRequest.packedACO,
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keys.loginAccessKey
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)?.let { aco ->
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aco.data.payload.dataStorageKey.also { dataKey = it }
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}
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}
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} catch (t: Throwable) {
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t.printStackTrace()
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return null
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}
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}
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/**
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* Resets password and log in using a `secret` string (one that wwas reported on registration. __Never store
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* secrt string in your app__. Always ask user to enter it just before the operation and wipe it out
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@ -286,10 +338,10 @@ class SuperloginClient<D, S : WithAdapter>(
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* @param params password derivation params: it is possible to change its strength here
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* @return login data instance on success or null
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*/
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suspend fun resetPasswordAndLogin(
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suspend fun resetPasswordAndSignIn(
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secret: String, newPassword: String,
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params: PasswordDerivationParams = PasswordDerivationParams(),
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loginKeyStrength: Int = 2048
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loginKeyStrength: Int = 2048,
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): SuperloginData<D>? {
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mustBeLoggedOut()
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return try {
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@ -297,6 +349,7 @@ class SuperloginClient<D, S : WithAdapter>(
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val packedACO = invoke(serverApi.slRequestACOBySecretId, id)
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AccessControlObject.unpackWithKey<SuperloginRestoreAccessPayload>(packedACO, key)?.let {
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changePasswordWithACO(it, newPassword)
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dataKey = it.data.payload.dataStorageKey
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slData
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}
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} catch (x: RestoreKey.InvalidSecretException) {
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@ -338,9 +391,11 @@ class SuperloginClient<D, S : WithAdapter>(
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val result = invoke(
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serverApi.slChangePasswordAndLogin, ChangePasswordArgs(
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aco.payload.login,
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SignedRecord.pack(aco.payload.loginPrivateKey,
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ChangePasswordPayload(newAco.packed,params,newLoginKey.await().publicKey,keys.loginId),
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deferredNonce.await())
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SignedRecord.pack(
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aco.payload.loginPrivateKey,
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ChangePasswordPayload(newAco.packed, params, newLoginKey.await().publicKey, keys.loginId),
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deferredNonce.await()
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)
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)
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)
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when (result) {
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@ -367,23 +422,25 @@ class SuperloginClient<D, S : WithAdapter>(
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* @param loginKeyStrength login key is regenerateed so its strength could be updated here
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* @return true if the password has been successfully changed
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*/
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suspend fun changePassword(oldPassword: String, newPassword: String,
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suspend fun changePassword(
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oldPassword: String, newPassword: String,
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passwordDerivationParams: PasswordDerivationParams = PasswordDerivationParams(),
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loginKeyStrength: Int = 2048
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loginKeyStrength: Int = 2048,
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): Boolean {
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mustBeLoggedIn()
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val loginName = slData?.loginName ?: throw SLInternalException("loginName should be defined here")
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val dp = invoke(serverApi.slRequestDerivationParams,loginName)
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val keys = DerivedKeys.derive(oldPassword,dp)
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val data = invoke(serverApi.slRequestACOByLoginName,RequestACOByLoginNameArgs(loginName,keys.loginId))
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return AccessControlObject.unpackWithKey<SuperloginRestoreAccessPayload>(data.packedACO, keys.loginAccessKey)?.let {
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changePasswordWithACO(it, newPassword,passwordDerivationParams, loginKeyStrength)
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val dp = invoke(serverApi.slRequestDerivationParams, loginName)
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val keys = DerivedKeys.derive(oldPassword, dp)
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val data = invoke(serverApi.slRequestACOByLoginName, RequestACOByLoginNameArgs(loginName, keys.loginId))
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return AccessControlObject.unpackWithKey<SuperloginRestoreAccessPayload>(data.packedACO, keys.loginAccessKey)
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?.let {
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changePasswordWithACO(it, newPassword, passwordDerivationParams, loginKeyStrength)
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} ?: false
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}
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companion object {
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inline operator fun <reified D,S : WithAdapter> invoke(
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inline operator fun <reified D, S : WithAdapter> invoke(
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t: Parsec3Transport<S>,
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savedData: SuperloginData<D>? = null,
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): SuperloginClient<D, S> {
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@ -136,9 +136,12 @@ internal class WsServerKtTest {
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runBlocking {
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val api = TestApiServer<WithAdapter>()
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val slc = SuperloginClient<TestData, WithAdapter>(client)
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assertNull(slc.dataKey)
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assertEquals(LoginState.LoggedOut, slc.state.value)
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var rt = slc.register("foo", "passwd", TestData("bar!"))
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val dk1 = slc.dataKey
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assertIs<Registration.Result.Success>(rt)
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assertEquals(dk1, rt.dataKey)
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val secret = rt.secret
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var token = rt.loginToken
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println(rt.secret)
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@ -154,6 +157,7 @@ internal class WsServerKtTest {
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slc.register("foo", "passwd", TestData("nobar"))
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}
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slc.logout()
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assertNull(slc.dataKey)
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assertIs<LoginState.LoggedOut>(slc.state.value)
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assertEquals(null, slc.call(api.loginName))
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@ -164,9 +168,14 @@ internal class WsServerKtTest {
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var ar = slc.loginByToken(token)
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assertNotNull(ar)
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assertNull(slc.dataKey)
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assertEquals("bar!", ar.data?.foo)
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assertTrue { slc.isLoggedIn }
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assertEquals("foo", slc.call(api.loginName))
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assertNull(slc.retrieveDataKey("badpasswd"))
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assertEquals(dk1?.id, slc.retrieveDataKey("passwd")?.id)
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assertEquals(dk1?.id, slc.dataKey?.id)
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//
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assertThrowsAsync<IllegalStateException> { slc.loginByToken(token) }
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}
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@ -187,6 +196,7 @@ internal class WsServerKtTest {
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assertEquals(LoginState.LoggedOut, slc.state.value)
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var rt = slc.register("foo", "passwd", TestData("bar!"))
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assertIs<Registration.Result.Success>(rt)
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val dk1 = slc.dataKey!!
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slc.logout()
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assertNull(slc.loginByPassword("foo", "passwd2"))
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var ar = slc.loginByPassword("foo", "passwd")
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@ -194,6 +204,7 @@ internal class WsServerKtTest {
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assertEquals("bar!", ar.data?.foo)
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assertTrue { slc.isLoggedIn }
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assertEquals("foo", slc.call(api.loginName))
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assertEquals(dk1.id, slc.dataKey!!.id)
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}
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}
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@ -226,9 +237,9 @@ internal class WsServerKtTest {
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assertEquals("foo", slc.call(api.loginName))
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slc.logout()
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assertNull(slc.resetPasswordAndLogin("bad_secret", "newpass2"))
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assertNull(slc.resetPasswordAndLogin("3PBpp-Aris5-ogdV7-Abz36-ggGH5", "newpass2"))
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ar = slc.resetPasswordAndLogin(secret,"newpass2")
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assertNull(slc.resetPasswordAndSignIn("bad_secret", "newpass2"))
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assertNull(slc.resetPasswordAndSignIn("3PBpp-Aris5-ogdV7-Abz36-ggGH5", "newpass2"))
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ar = slc.resetPasswordAndSignIn(secret,"newpass2")
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assertNotNull(ar)
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assertEquals("bar!", ar.data?.foo)
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assertTrue { slc.isLoggedIn }
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