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59 changes: 59 additions & 0 deletions
59
examples/jvm/src/main/scala/kreuzberg/examples/showcase/ServerMainLoom.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| package kreuzberg.examples.showcase | ||
|
|
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| import kreuzberg.examples.showcase.todo.{ListItemResponse, TodoApi} | ||
| import kreuzberg.miniserver.loom.MiniServer | ||
| import kreuzberg.miniserver.{AssetCandidatePath, AssetPaths, MiniServerConfig} | ||
| import kreuzberg.rpc.{Dispatcher, Id, SecurityError} | ||
|
|
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| import scala.annotation.experimental | ||
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| class TodoServiceLoom extends TodoApi[Id] { | ||
| private var items: Vector[String] = Vector.empty | ||
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| private object lock | ||
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| override def listItems(): ListItemResponse = { | ||
| lock.synchronized { | ||
| ListItemResponse( | ||
| items, | ||
| statusCode = 200 | ||
| ) | ||
| } | ||
| } | ||
|
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| override def addItem(item: String): Unit = { | ||
| lock.synchronized { | ||
| items = items :+ item | ||
| } | ||
| } | ||
| } | ||
|
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| @experimental | ||
| object ServerMainLoom extends App { | ||
| val todoDispatcher: Dispatcher[Id] = | ||
| Dispatcher.makeIdDispatcher[TodoApi[Id]](new TodoServiceLoom: TodoApi[Id]).preRequestFlatMap { request => | ||
| // Demonstrating adding a pre filter | ||
| // Note: Headers are lower cased | ||
| val id = request.headers.collectFirst { | ||
| case (key, value) if key == "x-client-id" => value | ||
| } | ||
| id match { | ||
| case None => throw new SecurityError("Missing client id") | ||
| case _ => request | ||
| } | ||
| } | ||
|
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| val config = MiniServerConfig[Id]( | ||
| AssetPaths( | ||
| Seq( | ||
| AssetCandidatePath("examples/js/target/client_bundle/client/fast"), | ||
| AssetCandidatePath("../examples/js/target/client_bundle/client/fast"), | ||
| AssetCandidatePath("../../examples/js/target/client_bundle/client/fast") | ||
| ) | ||
| ), | ||
| api = Some(todoDispatcher) | ||
| ) | ||
|
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| val miniServer = MiniServer(config) | ||
| miniServer.run() | ||
| } |
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5 changes: 3 additions & 2 deletions
5
...in/scala/kreuzberg/miniserver/Index.scala → ...in/scala/kreuzberg/miniserver/Index.scala
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49 changes: 49 additions & 0 deletions
49
miniserver-loom/src/main/scala/kreuzberg/miniserver/loom/ApiHandler.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,49 @@ | ||
| package kreuzberg.miniserver.loom | ||
|
|
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| import io.circe.Json | ||
| import kreuzberg.rpc.{Dispatcher, Id, UnknownServiceError} | ||
| import sttp.model.StatusCode | ||
| import sttp.tapir.* | ||
| import sttp.tapir.json.circe.* | ||
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| import scala.util.control.NonFatal | ||
| import quest._ | ||
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| case class ApiHandler(dispatcher: Dispatcher[Id]) { | ||
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| val apiEndpoint | ||
| : PublicEndpoint[(List[String], Json, List[sttp.model.Header]), (Json, StatusCode), (Json, StatusCode), Any] = { | ||
| endpoint.post | ||
| .in("api" / paths) | ||
| .in(jsonBody[Json]) | ||
| .in(headers) | ||
| .out(jsonBody[Json]) | ||
| .out(statusCode) | ||
| .errorOut(jsonBody[Json]) | ||
| .errorOut(statusCode) | ||
| } | ||
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| val handler = apiEndpoint.serverLogic[Id] { case (paths, json, headers) => | ||
| quest[Either[(Json, StatusCode), (Json, StatusCode)]] { | ||
| val (serviceName, callName) = paths match { | ||
| case List(s, c) => (s, c) | ||
| case _ => bail(Left(Json.obj("msg" -> Json.fromString("Invalid path")) -> StatusCode.BadRequest)) | ||
| } | ||
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| if (!dispatcher.handles(serviceName)) { | ||
| bail(Left(UnknownServiceError(serviceName).encodeToJson -> StatusCode.NotFound)) | ||
| } | ||
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| val request = kreuzberg.rpc.Request(json, headers.map { h => h.name -> h.value }) | ||
| val response = | ||
| try { | ||
| dispatcher.call(serviceName, callName, request) | ||
| } catch { | ||
| case NonFatal(e) => | ||
| val decoded = kreuzberg.rpc.Failure.fromThrowable(e) | ||
| bail(Left(decoded.encodeToJson -> StatusCode.InternalServerError)) | ||
| } | ||
| Right(response.json -> StatusCode(response.statusCode)) | ||
| } | ||
| } | ||
| } |
79 changes: 79 additions & 0 deletions
79
miniserver-loom/src/main/scala/kreuzberg/miniserver/loom/MiniServer.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| package kreuzberg.miniserver.loom | ||
|
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| import kreuzberg.miniserver.{DeploymentType, Index, MiniServerConfig} | ||
| import org.slf4j.LoggerFactory | ||
| import sttp.model.StatusCode | ||
| import sttp.tapir.* | ||
| import sttp.tapir.server.ServerEndpoint | ||
| import sttp.tapir.server.netty.loom.{Id, NettyIdServer} | ||
| import sttp.tapir.swagger.bundle.SwaggerInterpreter | ||
|
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| import java.nio.ByteBuffer | ||
| import scala.util.Using | ||
|
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| class MiniServer(config: MiniServerConfig[Id]) { | ||
| val logger = LoggerFactory.getLogger(getClass) | ||
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| def run(): Unit = { | ||
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| val endpoints = List( | ||
| assetHandler, | ||
| indexHandler | ||
| ) ++ apiEndpointHandler.toList ++ List( | ||
| otherIndexHandler | ||
| ) | ||
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| val docEndpoints: List[ServerEndpoint[Any, Id]] = SwaggerInterpreter() | ||
| .fromServerEndpoints[Id](endpoints, "MiniServer", "0.1") | ||
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| val server = NettyIdServer() | ||
| .port(config.port) | ||
| .addEndpoints(endpoints) | ||
| .addEndpoints(if (config.deploymentType.contains(DeploymentType.Debug)) docEndpoints else Nil) | ||
| .start() | ||
| logger.info(s"Listening on port ${config.port}") | ||
| } | ||
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| private val indexHtml: String = Index(config).index.toString | ||
|
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| val assetEndpoint: PublicEndpoint[List[String], StatusCode, ByteBuffer, Any] = { | ||
| endpoint.get | ||
| .in("assets" / paths) | ||
| .errorOut(statusCode) | ||
| .out(byteBufferBody) | ||
| } | ||
|
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| private val assetHandler = assetEndpoint.serverLogic[Id] { paths => | ||
| val fullName = paths.mkString("/") | ||
| config.locateAsset(fullName) match { | ||
| case None => Left(StatusCode.NotFound) | ||
| case Some(value) => | ||
| Using.resource(value.load()) { data => | ||
| val bytes = data.readAllBytes() | ||
| Right(ByteBuffer.wrap(bytes)) | ||
| } | ||
| } | ||
| } | ||
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| val indexEndpoint: PublicEndpoint[Unit, Unit, String, Any] = { | ||
| endpoint.get | ||
| .in("") | ||
| .out(htmlBodyUtf8) | ||
| } | ||
|
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| private val indexHandler = indexEndpoint.serverLogicSuccess[Id] { _ => | ||
| indexHtml | ||
| } | ||
|
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| val otherIndexEndpoint: PublicEndpoint[List[String], Unit, String, Any] = { | ||
| endpoint.get | ||
| .in(paths) | ||
| .out(htmlBodyUtf8) | ||
| } | ||
|
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| private val otherIndexHandler = otherIndexEndpoint.serverLogicSuccess[Id] { _ => | ||
| indexHtml | ||
| } | ||
|
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| val apiEndpointHandler = config.api.map(ApiHandler(_).handler) | ||
| } |
9 changes: 3 additions & 6 deletions
9
.../kreuzberg/miniserver/ApiDispatcher.scala → ...rg/miniserver/ziohttp/ApiDispatcher.scala
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