move auth code from zenserver into zenhttp (#265)

this code should be usable outside of zenserver, so this moves it out into zenhttp where it can be used from lower level components

1 files changed, 90 insertions, 0 deletions

diff --git a/src/zenhttp/auth/authservice.cpp b/src/zenhttp/auth/authservice.cpp
new file mode 100644
index 000000000..6ed587770
--- /dev/null
+++ b/src/zenhttp/auth/authservice.cpp
@@ -0,0 +1,90 @@
+// Copyright Epic Games, Inc. All Rights Reserved.
+
+#include "zenhttp/auth/authservice.h"
+
+#include <zencore/compactbinarybuilder.h>
+#include <zencore/string.h>
+#include <zenhttp/auth/authmgr.h>
+
+ZEN_THIRD_PARTY_INCLUDES_START
+#include <json11.hpp>
+ZEN_THIRD_PARTY_INCLUDES_END
+
+namespace zen {
+
+using namespace std::literals;
+
+HttpAuthService::HttpAuthService(AuthMgr& AuthMgr) : m_AuthMgr(AuthMgr)
+{
+	m_Router.RegisterRoute(
+		"oidc/refreshtoken",
+		[this](HttpRouterRequest& RouterRequest) {
+			HttpServerRequest& ServerRequest = RouterRequest.ServerRequest();
+
+			const HttpContentType ContentType = ServerRequest.RequestContentType();
+
+			if ((ContentType == HttpContentType::kUnknownContentType || ContentType == HttpContentType::kJSON) == false)
+			{
+				return ServerRequest.WriteResponse(HttpResponseCode::BadRequest);
+			}
+
+			const IoBuffer Body = ServerRequest.ReadPayload();
+
+			std::string	 JsonText(reinterpret_cast<const char*>(Body.GetData()), Body.GetSize());
+			std::string	 JsonError;
+			json11::Json TokenInfo = json11::Json::parse(JsonText, JsonError);
+
+			if (!JsonError.empty())
+			{
+				CbObjectWriter Response;
+				Response << "Result"sv << false;
+				Response << "Error"sv << JsonError;
+
+				return ServerRequest.WriteResponse(HttpResponseCode::BadRequest, Response.Save());
+			}
+
+			const std::string RefreshToken = TokenInfo["RefreshToken"].string_value();
+			std::string		  ProviderName = TokenInfo["ProviderName"].string_value();
+
+			if (ProviderName.empty())
+			{
+				ProviderName = "Default"sv;
+			}
+
+			const bool Ok =
+				m_AuthMgr.AddOpenIdToken(AuthMgr::AddOpenIdTokenParams{.ProviderName = ProviderName, .RefreshToken = RefreshToken});
+
+			if (Ok)
+			{
+				ServerRequest.WriteResponse(Ok ? HttpResponseCode::OK : HttpResponseCode::BadRequest);
+			}
+			else
+			{
+				CbObjectWriter Response;
+				Response << "Result"sv << false;
+				Response << "Error"sv
+						 << "Invalid token"sv;
+
+				ServerRequest.WriteResponse(HttpResponseCode::BadRequest, Response.Save());
+			}
+		},
+		HttpVerb::kPost);
+}
+
+HttpAuthService::~HttpAuthService()
+{
+}
+
+const char*
+HttpAuthService::BaseUri() const
+{
+	return "/auth/";
+}
+
+void
+HttpAuthService::HandleRequest(zen::HttpServerRequest& Request)
+{
+	m_Router.HandleRequest(Request);
+}
+
+}  // namespace zen