Add remote authentication for users

- add RemoteReactiveAuthenticationManager
- add RemoteAuthentication
- add RemoteUserDetail
- add AccountRegistryService
- add WebClientCalls.kt with accountRegistryAuthenticate
- add Helper.kt with logCall
- add Mapping.kt toAuthenticationRequest

src/main/kotlin/ltd/hlaeja/util/Helper.kt

@@ -0,0 +1,7 @@
+package ltd.hlaeja.util
+
+import io.github.oshai.kotlinlogging.KotlinLogging
+
+private val log = KotlinLogging.logger {}
+
+fun logCall(url: String) = log.debug { "calling: $url" }

src/main/kotlin/ltd/hlaeja/util/Mapping.kt

@@ -0,0 +1,10 @@
+package ltd.hlaeja.util
+
+import org.springframework.security.core.Authentication as SpringAuthentication
+
+import ltd.hlaeja.library.accountRegistry.Authentication
+
+fun SpringAuthentication.toAuthenticationRequest(): Authentication.Request = Authentication.Request(
+    principal as String,
+    credentials as String,
+)

src/main/kotlin/ltd/hlaeja/util/WebClientCalls.kt

@@ -0,0 +1,24 @@
+package ltd.hlaeja.util
+
+import ltd.hlaeja.library.accountRegistry.Authentication
+import ltd.hlaeja.property.AccountRegistryProperty
+import org.springframework.http.HttpStatus.LOCKED
+import org.springframework.http.HttpStatus.NOT_FOUND
+import org.springframework.http.HttpStatus.UNAUTHORIZED
+import org.springframework.security.authentication.BadCredentialsException
+import org.springframework.security.authentication.LockedException
+import org.springframework.security.core.userdetails.UsernameNotFoundException
+import org.springframework.web.reactive.function.client.WebClient
+import reactor.core.publisher.Mono
+
+fun WebClient.accountRegistryAuthenticate(
+    request: Authentication.Request,
+    property: AccountRegistryProperty,
+): Mono<Authentication.Response> = post()
+    .uri("${property.url}/authenticate".also(::logCall))
+    .bodyValue(request)
+    .retrieve()
+    .onStatus(LOCKED::equals) { throw LockedException("Account is locked") }
+    .onStatus(UNAUTHORIZED::equals) { throw BadCredentialsException("Invalid credentials") }
+    .onStatus(NOT_FOUND::equals) { throw UsernameNotFoundException("User not found") }
+    .bodyToMono(Authentication.Response::class.java)