commit to merge branches

you can get a description if you send a request where in params there is a field about with any content

.gitignore

@@ -3,6 +3,11 @@ bin/
 cert/
 tmp/
 .meta/
-.vscode
+db/
 
+com/test.lua
+com/_config.lua
+
+.vscode
+Taskfile.yml
 config.yaml

Makefile

@@ -4,7 +4,7 @@ GOPATH := $(shell go env GOPATH)
 export CONFIG_PATH := ./config.yaml
 export NODE_PATH := $(shell pwd)
 
-LDFLAGS := -X 'github.com/akyaiy/GoSally-mvp/core/config.NodeVersion=v0.0.1-dev'
+LDFLAGS := -X 'github.com/akyaiy/GoSally-mvp/internal/engine/config.NodeVersion=v0.0.1-dev'
 CGO_CFLAGS := -I/usr/local/include
 CGO_LDFLAGS := -L/usr/local/lib -llua5.1 -lm -ldl
 .PHONY: all build run runq test fmt vet lint check clean
@@ -30,7 +30,14 @@ build:
 	@# @echo "CGO_CFLAGS is: '$(CGO_CFLAGS)'"
 	@# @echo "CGO_LDFLAGS is: '$(CGO_LDFLAGS)'"
 	@# CGO_CFLAGS="$(CGO_CFLAGS)" CGO_LDFLAGS="$(CGO_LDFLAGS)" 
-	go build -ldflags "$(LDFLAGS)" -o $(BIN_DIR)/$(APP_NAME) ./
+	@go build -trimpath -ldflags "-w -s $(LDFLAGS)" -o $(BIN_DIR)/$(APP_NAME) ./
+	@if ! command -v upx >/dev/null 2>&1; then \
+		echo "upx not found, skipping compression."; \
+	elif upx -t $(BIN_DIR)/$(APP_NAME) >/dev/null 2>&1; then \
+		echo "$(BIN_DIR)/$(APP_NAME) already compressed, skipping."; \
+	else \
+		upx $(BIN_DIR)/$(APP_NAME) >/dev/null 2>&1 || true; \
+	fi
 
 run: build
 	@echo "Running!"
@@ -48,8 +55,12 @@ test:
 	@go test ./... | grep -v '^?' || true
 
 fmt:
-	@go fmt ./...
-	@$(GOPATH)/bin/goimports -w .
+	@go fmt ./internal/./...
+	@go fmt ./cmd/./...
+	@go fmt ./hooks/./...
+	@$(GOPATH)/bin/goimports -w ./internal/
+	@$(GOPATH)/bin/goimports -w ./cmd/
+	@$(GOPATH)/bin/goimports -w ./hooks/
 
 vet:
 	@go vet ./...

cmd/root.go

@@ -1,3 +1,5 @@
+// The cmd package is the main package where all the main hooks and methods are called. 
+// GoSally uses spf13/cobra to organize all the calls.
 package cmd
 
 import (
@@ -5,28 +7,30 @@ import (
 	"log"
 	"os"
 
-	"github.com/akyaiy/GoSally-mvp/core/config"
-	"github.com/akyaiy/GoSally-mvp/core/corestate"
-	"github.com/akyaiy/GoSally-mvp/core/logs"
+	"github.com/akyaiy/GoSally-mvp/hooks"
+	"github.com/akyaiy/GoSally-mvp/internal/colors"
+	"github.com/akyaiy/GoSally-mvp/internal/core/corestate"
 	"github.com/spf13/cobra"
 )
 
-var compositor *config.Compositor = config.NewCompositor()
-
 var rootCmd = &cobra.Command{
 	Use:   "node",
 	Short: "Go Sally node",
-	Long:  "Main node runner for Go Sally",
+	Long: `
+GoSally is an http server that handles jsonrpc-2.0 requests by calling methods as lua 
+scripts in a given directory. For more information, visit: https://gosally.oblat.lv/`,
 	Run: func(cmd *cobra.Command, args []string) {
 		_ = cmd.Help()
 	},
 }
 
+// Execute prepares global log, loads cmdline args 
+// and executes rootCmd.Execute()
 func Execute() {
 	log.SetOutput(os.Stdout)
-	log.SetPrefix(logs.SetBrightBlack(fmt.Sprintf("(%s) ", corestate.StageNotReady)))
+	log.SetPrefix(colors.SetBrightBlack(fmt.Sprintf("(%s) ", corestate.StageNotReady)))
 	log.SetFlags(log.Ldate | log.Ltime)
-	compositor.LoadCMDLine(rootCmd)
+	hooks.Compositor.LoadCMDLine(rootCmd)
 	_ = rootCmd.Execute()
 	// if err := rootCmd.Execute(); err != nil {
 	// 	log.Fatalf("Unexpected error: %s", err.Error())

cmd/run.go

@@ -1,324 +1,18 @@
 package cmd
 
 import (
-	"context"
-	"errors"
-	"fmt"
-	"io"
-	"io/fs"
-	"log"
-	"log/slog"
-	"net"
-	"net/http"
-	"os"
-	"path/filepath"
-	"regexp"
-	"syscall"
-	"time"
-
-	"github.com/akyaiy/GoSally-mvp/core/app"
-	"github.com/akyaiy/GoSally-mvp/core/config"
-	"github.com/akyaiy/GoSally-mvp/core/corestate"
-	gs "github.com/akyaiy/GoSally-mvp/core/general_server"
-	"github.com/akyaiy/GoSally-mvp/core/logs"
-	"github.com/akyaiy/GoSally-mvp/core/run_manager"
-	"github.com/akyaiy/GoSally-mvp/core/sv1"
-	"github.com/akyaiy/GoSally-mvp/core/update"
-	"github.com/akyaiy/GoSally-mvp/core/utils"
-	"github.com/go-chi/chi/v5"
-	"github.com/go-chi/cors"
+	"github.com/akyaiy/GoSally-mvp/hooks"
 	"github.com/spf13/cobra"
-	"golang.org/x/net/netutil"
-	"gopkg.in/ini.v1"
 )
 
 var runCmd = &cobra.Command{
-	Use:   "run",
-	Short: "Run node normally",
-	Run: func(cmd *cobra.Command, args []string) {
-		nodeApp := app.New()
-
-		nodeApp.InitialHooks(
-			func(cs *corestate.CoreState, x *app.AppX) {
-				x.Config = compositor
-				x.Log.SetOutput(os.Stdout)
-				x.Log.SetPrefix(logs.SetBrightBlack(fmt.Sprintf("(%s) ", cs.Stage)))
-				x.Log.SetFlags(log.Ldate | log.Ltime)
-			},
-
-			// First stage: pre-init
-			func(cs *corestate.CoreState, x *app.AppX) {
-				*cs = *corestate.NewCorestate(&corestate.CoreState{
-					UUID32DirName:      "uuid",
-					NodeBinName:        filepath.Base(os.Args[0]),
-					NodeVersion:        config.NodeVersion,
-					MetaDir:            "./.meta",
-					Stage:              corestate.StagePreInit,
-					StartTimestampUnix: time.Now().Unix(),
-				})
-			},
-
-			func(cs *corestate.CoreState, x *app.AppX) {
-				x.Log.SetPrefix(logs.SetBlue(fmt.Sprintf("(%s) ", cs.Stage)))
-
-				if err := x.Config.LoadEnv(); err != nil {
-					x.Log.Fatalf("env load error: %s", err)
-				}
-				cs.NodePath = x.Config.Env.NodePath
-
-				if cfgPath := x.Config.CMDLine.Run.ConfigPath; cfgPath != "" {
-					x.Config.Env.ConfigPath = cfgPath
-				}
-				if err := x.Config.LoadConf(x.Config.Env.ConfigPath); err != nil {
-					x.Log.Fatalf("conf load error: %s", err)
-				}
-			},
-
-			func(cs *corestate.CoreState, x *app.AppX) {
-				uuid32, err := corestate.GetNodeUUID(filepath.Join(cs.MetaDir, "uuid"))
-				if errors.Is(err, fs.ErrNotExist) {
-					if err := corestate.SetNodeUUID(filepath.Join(cs.NodePath, cs.MetaDir, cs.UUID32DirName)); err != nil {
-						x.Log.Fatalf("Cannod generate node uuid: %s", err.Error())
-					}
-					uuid32, err = corestate.GetNodeUUID(filepath.Join(cs.MetaDir, "uuid"))
-					if err != nil {
-						x.Log.Fatalf("Unexpected failure: %s", err.Error())
-					}
-				}
-				if err != nil {
-					x.Log.Fatalf("uuid load error: %s", err)
-				}
-				cs.UUID32 = uuid32
-			},
-
-			func(cs *corestate.CoreState, x *app.AppX) {
-				if x.Config.Env.ParentStagePID != os.Getpid() {
-					if os.TempDir() != "/tmp" {
-						x.Log.Printf("%s: %s", logs.PrintWarn(), "Non-standard value specified for temporary directory")
-					}
-					// still pre-init stage
-					runDir, err := run_manager.Create(cs.UUID32)
-					if err != nil {
-						x.Log.Fatalf("Unexpected failure: %s", err.Error())
-					}
-					cs.RunDir = runDir
-					input, err := os.Open(os.Args[0])
-					if err != nil {
-						_ = run_manager.Clean()
-						x.Log.Fatalf("Unexpected failure: %s", err.Error())
-					}
-					if err := run_manager.Set(cs.NodeBinName); err != nil {
-						_ = run_manager.Clean()
-						x.Log.Fatalf("Unexpected failure: %s", err.Error())
-					}
-					fmgr := run_manager.File(cs.NodeBinName)
-					output, err := fmgr.Open()
-					if err != nil {
-						_ = run_manager.Clean()
-						x.Log.Fatalf("Unexpected failure: %s", err.Error())
-					}
-
-					if _, err := io.Copy(output, input); err != nil {
-						fmgr.Close()
-						_ = run_manager.Clean()
-						x.Log.Fatalf("Unexpected failure: %s", err.Error())
-					}
-					if err := os.Chmod(filepath.Join(cs.RunDir, cs.NodeBinName), 0755); err != nil {
-						fmgr.Close()
-						_ = run_manager.Clean()
-						x.Log.Fatalf("Unexpected failure: %s", err.Error())
-					}
-					input.Close()
-					fmgr.Close()
-					runArgs := os.Args
-					runArgs[0] = filepath.Join(cs.RunDir, cs.NodeBinName)
-
-					// prepare environ
-					env := utils.SetEviron(os.Environ(), fmt.Sprintf("GS_PARENT_PID=%d", os.Getpid()))
-
-					if err := syscall.Exec(runArgs[0], runArgs, env); err != nil {
-						_ = run_manager.Clean()
-						x.Log.Fatalf("Unexpected failure: %s", err.Error())
-					}
-				}
-				x.Log.Printf("Node uuid is %s", cs.UUID32)
-			},
-
-			// post-init stage
-			func(cs *corestate.CoreState, x *app.AppX) {
-				cs.Stage = corestate.StagePostInit
-				x.Log.SetPrefix(logs.SetYellow(fmt.Sprintf("(%s) ", cs.Stage)))
-
-				cs.RunDir = run_manager.Toggle()
-				exist, err := utils.ExistsMatchingDirs(filepath.Join(os.TempDir(), fmt.Sprintf("/*-%s-%s", cs.UUID32, "gosally-runtime")), cs.RunDir)
-				if err != nil {
-					_ = run_manager.Clean()
-					x.Log.Fatalf("Unexpected failure: %s", err.Error())
-				}
-				if exist {
-					_ = run_manager.Clean()
-					x.Log.Fatalf("Unable to continue node operation: A node with the same identifier was found in the runtime environment")
-				}
-
-				if err := run_manager.Set("run.lock"); err != nil {
-					_ = run_manager.Clean()
-					x.Log.Fatalf("Unexpected failure: %s", err.Error())
-				}
-				lockPath, err := run_manager.Get("run.lock")
-				if err != nil {
-					_ = run_manager.Clean()
-					x.Log.Fatalf("Unexpected failure: %s", err.Error())
-				}
-				lockFile := ini.Empty()
-				secRun, err := lockFile.NewSection("runtime")
-				if err != nil {
-					_ = run_manager.Clean()
-					x.Log.Fatalf("Unexpected failure: %s", err.Error())
-				}
-				secRun.Key("pid").SetValue(fmt.Sprintf("%d/%d", os.Getpid(), x.Config.Env.ParentStagePID))
-				secRun.Key("version").SetValue(cs.NodeVersion)
-				secRun.Key("uuid").SetValue(cs.UUID32)
-				secRun.Key("timestamp").SetValue(time.Unix(cs.StartTimestampUnix, 0).Format("2006-01-02/15:04:05 MST"))
-				secRun.Key("timestamp-unix").SetValue(fmt.Sprintf("%d", cs.StartTimestampUnix))
-
-				err = lockFile.SaveTo(lockPath)
-				if err != nil {
-					_ = run_manager.Clean()
-					x.Log.Fatalf("Unexpected failure: %s", err.Error())
-				}
-			},
-
-			func(cs *corestate.CoreState, x *app.AppX) {
-				cs.Stage = corestate.StageReady
-				x.Log.SetPrefix(logs.SetGreen(fmt.Sprintf("(%s) ", cs.Stage)))
-
-				x.SLog = new(slog.Logger)
-				newSlog, err := logs.SetupLogger(x.Config.Conf.Log)
-				if err != nil {
-					_ = run_manager.Clean()
-					x.Log.Fatalf("Unexpected failure: %s", err.Error())
-				}
-				*x.SLog = *newSlog
-			},
-		)
-
-		nodeApp.Run(func(ctx context.Context, cs *corestate.CoreState, x *app.AppX) error {
-			ctxMain, cancelMain := context.WithCancel(ctx)
-			runLockFile := run_manager.File("run.lock")
-			_, err := runLockFile.Open()
-			if err != nil {
-				x.Log.Fatalf("cannot open run.lock: %s", err)
-			}
-
-			_, err = runLockFile.Watch(ctxMain, func() {
-				x.Log.Printf("run.lock was touched")
-				_ = run_manager.Clean()
-				cancelMain()
-			})
-			if err != nil {
-				x.Log.Printf("watch error: %s", err)
-			}
-
-			serverv1 := sv1.InitV1Server(&sv1.HandlerV1InitStruct{
-				Log:            *x.SLog,
-				Config:         x.Config.Conf,
-				AllowedCmd:     regexp.MustCompile(`^[a-zA-Z0-9]+$`),
-				ListAllowedCmd: regexp.MustCompile(`^[a-zA-Z0-9_-]+$`),
-				Ver:            "v1",
-			})
-
-			s := gs.InitGeneral(&gs.GeneralServerInit{
-				Log:    x.SLog,
-				Config: x.Config.Conf,
-			}, serverv1)
-
-			r := chi.NewRouter()
-			r.Use(cors.Handler(cors.Options{
-				AllowedOrigins:   []string{"*"},
-				AllowedMethods:   []string{"GET", "POST", "OPTIONS"},
-				AllowedHeaders:   []string{"Accept", "Authorization", "Content-Type", "X-CSRF-Token"},
-				AllowCredentials: true,
-				MaxAge:           300,
-			}))
-			r.HandleFunc(config.ComDirRoute, s.Handle)
-			r.Route("/favicon.ico", func(r chi.Router) {
-				r.Get("/", func(w http.ResponseWriter, r *http.Request) {
-					w.WriteHeader(http.StatusNoContent)
-				})
-			})
-
-			srv := &http.Server{
-				Addr:    x.Config.Conf.HTTPServer.Address,
-				Handler: r,
-				ErrorLog: log.New(&logs.SlogWriter{
-					Logger: x.SLog,
-					Level:  logs.GlobalLevel,
-				}, "", 0),
-			}
-			go func() {
-				if x.Config.Conf.TLS.TlsEnabled {
-					listener, err := net.Listen("tcp", fmt.Sprintf("%s:%s", x.Config.Conf.HTTPServer.Address, x.Config.Conf.HTTPServer.Port))
-					if err != nil {
-						x.Log.Printf("%s: Failed to start TLS listener: %s", logs.PrintError(), err.Error())
-						return
-					}
-					x.Log.Printf("Serving on %s port %s with TLS... (https://%s%s)", x.Config.Conf.HTTPServer.Address, x.Config.Conf.HTTPServer.Port, fmt.Sprintf("%s:%s", x.Config.Conf.HTTPServer.Address, x.Config.Conf.HTTPServer.Port), config.ComDirRoute)
-					limitedListener := netutil.LimitListener(listener, 100)
-					if err := srv.ServeTLS(limitedListener, x.Config.Conf.TLS.CertFile, x.Config.Conf.TLS.KeyFile); err != nil && !errors.Is(err, http.ErrServerClosed) {
-						x.Log.Printf("%s: Failed to start HTTPS server: %s", logs.PrintError(), err.Error())
-					}
-				} else {
-					x.Log.Printf("Serving on %s port %s... (http://%s%s)", x.Config.Conf.HTTPServer.Address, x.Config.Conf.HTTPServer.Port, fmt.Sprintf("%s:%s", x.Config.Conf.HTTPServer.Address, x.Config.Conf.HTTPServer.Port), config.ComDirRoute)
-					listener, err := net.Listen("tcp", fmt.Sprintf("%s:%s", x.Config.Conf.HTTPServer.Address, x.Config.Conf.HTTPServer.Port))
-					if err != nil {
-						x.Log.Printf("%s: Failed to start listener: %s", logs.PrintError(), err.Error())
-						return
-					}
-					limitedListener := netutil.LimitListener(listener, 100)
-					if err := srv.Serve(limitedListener); err != nil && !errors.Is(err, http.ErrServerClosed) {
-						x.Log.Printf("%s: Failed to start HTTP server: %s", logs.PrintError(), err.Error())
-					}
-				}
-			}()
-
-			if x.Config.Conf.Updates.UpdatesEnabled {
-				go func() {
-					x.Updated = update.NewUpdater(ctxMain, x.Log, x.Config.Conf, x.Config.Env)
-					x.Updated.Shutdownfunc(cancelMain)
-					for {
-						isNewUpdate, err := x.Updated.CkeckUpdates()
-						if err != nil {
-							x.Log.Printf("Failed to check for updates: %s", err.Error())
-						}
-						if isNewUpdate {
-							if err := x.Updated.Update(); err != nil {
-								x.Log.Printf("Failed to update: %s", err.Error())
-							} else {
-								x.Log.Printf("Update completed successfully")
-							}
-						}
-						time.Sleep(x.Config.Conf.Updates.CheckInterval)
-					}
-				}()
-			}
-
-			<-ctxMain.Done()
-			if err := srv.Shutdown(ctxMain); err != nil {
-				x.Log.Printf("%s: Failed to stop the server gracefully: %s", logs.PrintError(), err.Error())
-			} else {
-				x.Log.Printf("Server stopped gracefully")
-			}
-
-			x.Log.Println("Cleaning up...")
-
-			if err := run_manager.Clean(); err != nil {
-				x.Log.Printf("%s: Cleanup error: %s", logs.PrintError(), err.Error())
-			}
-			x.Log.Println("bye!")
-
-			return nil
-		})
-	},
+	Use:     "run",
+	Aliases: []string{"r"},
+	Short:   "Run node normally",
+	Long: `
+"run" starts the node with settings depending on the configuration file`,
+	// hooks.Run essentially the heart of the program
+	Run: hooks.Run,
 }
 
 func init() {

cmd/version.go

@@ -0,0 +1,24 @@
+package cmd
+
+import (
+	"fmt"
+	"runtime"
+
+	"github.com/akyaiy/GoSally-mvp/internal/engine/config"
+	"github.com/spf13/cobra"
+)
+
+var verCmd = &cobra.Command{
+	Use:     "version",
+	Aliases: []string{"ver", "v"},
+	Short:   "Return node version",
+	Run: func(cmd *cobra.Command, args []string) {
+		fmt.Printf("GoSally node: %s\n", config.NodeVersion)
+		fmt.Printf("Go version: %s\n", runtime.Version())
+		fmt.Printf("Go OS/Arch: %s/%s\n", runtime.GOOS, runtime.GOARCH)
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(verCmd)
+}

com/Access/GetMasterAccess.lua

@@ -0,0 +1,77 @@
+local session = require("internal.session")
+local log = require("internal.log")
+local jwt = require("internal.crypt.jwt")
+local bc = require("internal.crypt.bcrypt")
+local db = require("internal.database.sqlite").connect("db/root.db", {log = true})
+local sha256 = require("internal.crypt.sha256")
+
+log.info("Someone at "..session.request.address.." trying to get master access")
+
+local function close_db()
+  if db then
+    db:close()
+    db = nil
+  end
+end
+
+local params = session.request.params.get()
+
+local function check_missing(arr, p)
+  local is_missing = {}
+  local ok = true
+  for _, key in ipairs(arr) do
+    if p[key] == nil then
+      table.insert(is_missing, key)
+      ok = false
+    end
+  end
+  return ok, is_missing
+end
+
+local ok, mp = check_missing({"master_secret", "master_name", "my_key"}, params)
+if not ok then
+  close_db()
+  session.response.send_error(-32602, "Missing params", mp)
+end
+
+if type(params.master_secret) ~= "string" then
+  close_db()
+  session.response.send_error(-32050, "Access denied")
+end
+
+if type(params.master_name) ~= "string" then
+  close_db()
+  session.response.send_error(-32050, "Access denied")
+end
+
+local master, err = db:query_row("SELECT * FROM master_units WHERE master_name = ?", {params.master_name})
+
+if not master then
+  log.event("DB query failed:", err)
+  close_db()
+  session.response.send_error(-32050, "Access denied")
+end
+
+local ok = bc.compare(master.master_secret, params.master_secret)
+if not ok then
+  log.warn("Login failed: wrong password")
+  close_db()
+  session.response.send_error(-32050, "Access denied")
+end
+
+local token = jwt.encode({
+  secret = require("_config").token(),
+  payload = { 
+    session_uuid = session.id,
+    master_id = master.id,
+    key = sha256.sum(params.my_key)
+  },
+  expires_in = 3600
+})
+
+close_db()
+session.response.send({
+  token = token
+})
+
+-- G7HgOgl72o7t7u7r

com/Echo.lua

@@ -0,0 +1,11 @@
+local s = require("internal.session")
+
+if not s.request.params.__fetched.data then
+  s.response.error = {
+    code = 123,
+    message = "params.data is missing"
+  }
+  return
+end
+
+s.response.send(s.request.params.__fetched)

com/List.lua

@@ -0,0 +1,57 @@
+-- com/List.lua
+
+local session = require("internal.session")
+
+local params = session.request.params.get()
+
+if params.about then
+  session.response.result = {
+    description = "Returns a list of available methods",
+    params = {
+      layer = "select which layer list to display"
+    }
+  }
+  return
+end
+
+local function isValidName(name)
+  return name:match("^[%w]+$") ~= nil
+end
+
+local function scanDirectory(basePath, targetPath)
+  local res = {}
+  local fullPath = basePath.."/"..targetPath
+  local handle = io.popen('find "'..fullPath..'" -type f -name "*.lua" 2>/dev/null')
+
+  if handle then
+    for filePath in handle:lines() do
+      local parts = {}
+      for part in filePath:gsub(".lua$", ""):gmatch("[^/]+") do
+        table.insert(parts, part)
+      end
+
+      local allValid = true
+      for _, part in ipairs(parts) do
+        if not isValidName(part) then
+          allValid = false
+          break
+        end
+      end
+
+      if allValid then
+        local relPath = filePath:gsub("^"..basePath.."/", ""):gsub(".lua$", ""):gsub("/", ">")
+        table.insert(res, relPath)
+      end
+    end
+    handle:close()
+  end
+
+  return #res > 0 and res or nil
+end
+
+local basePath = "com"
+local layer = params.layer and params.layer:gsub(">", "/") or nil
+
+session.response.send({
+  answer = layer and scanDirectory(basePath, layer) or scanDirectory(basePath, "")
+})

com/Zones/GetZoneInfo.lua

@@ -0,0 +1,69 @@
+local session = require("internal.session")
+local log = require("internal.log")
+local jwt = require("internal.crypt.jwt")
+local bc = require("internal.crypt.bcrypt")
+local sha256 = require("internal.crypt.sha256")
+local dbdriver = require("internal.database.sqlite")
+
+local db_root = dbdriver.connect("db/root.db", {log = true})
+local db_zone = nil
+
+local function close_db()
+  if db_root then
+    db_root:close()
+    db_root = nil
+  end
+  if db_zone then
+    db_zone:close()
+    db_zone = nil
+  end
+end
+
+local token = session.request.headers.get("authorization")
+
+if not token or type(token) ~= "string" then
+  close_db()
+  session.response.send_error(-32050, "Access denied")
+end
+
+local prefix = "Bearer "
+if token:sub(1, #prefix) ~= prefix then
+  close_db()
+  session.response.send_error(-32052, "Invalid Authorization scheme")
+end
+
+local access_token = token:sub(#prefix + 1)
+
+local err, data = jwt.decode(access_token, { secret = require("_config").token() })
+
+if err or not data then
+  close_db()
+  session.response.send_error(-32053, "Cannod parse JWT", {err})
+end
+
+if data.master_id then
+  
+  
+end
+
+local params = session.request.params.get()
+
+local function check_missing(arr, p)
+  local is_missing = {}
+  local ok = true
+  for _, key in ipairs(arr) do
+    if p[key] == nil then
+      table.insert(is_missing, key)
+      ok = false
+    end
+  end
+  return ok, is_missing
+end
+
+local ok, mp = check_missing({"zone_name"}, params)
+if not ok then
+  close_db()
+  session.response.send_error(-32602, "Missing params", mp)
+end
+
+close_db()

com/_Auth/DeleteUnit.lua

@@ -0,0 +1,119 @@
+-- com/DeleteUnit.lua
+
+---@diagnostic disable: redefined-local
+local db = require("internal.database.sqlite").connect("db/user-database.db", {log = true})
+local log = require("internal.log")
+local session = require("internal.session")
+local crypt = require("internal.crypt.bcrypt")
+local jwt = require("internal.crypt.jwt")
+local sha256 = require("internal.crypt.sha256")
+
+local params = session.request.params.get()
+local token = session.request.headers.get("authorization")
+
+local function close_db()
+  if db then
+    db:close()
+    db = nil
+  end
+end
+
+local function error_response(message, code, data)
+  session.response.error = {
+    code = code or nil,
+    message = message,
+    data = data or nil
+  }
+  close_db()
+end
+
+if not token or type(token) ~= "string" then
+  return error_response("Access denied")
+end
+
+local prefix = "Bearer "
+if token:sub(1, #prefix) ~= prefix then
+  return error_response("Invalid Authorization scheme")
+end
+
+local access_token = token:sub(#prefix + 1)
+
+local err, data = jwt.decode(access_token, { secret = require("_config").token() })
+
+if err or not data then
+  session.response.error = {
+    message = err
+  }
+  return
+end
+
+-- if data.session_uuid ~= session.id then
+--   return error_response("Access denied")
+-- end
+
+-- if data.key ~= sha256.sum(session.request.address .. session.id .. session.request.headers.get("user-agent", "noagent")) then
+--   return error_response("Access denied")
+-- end
+
+if not params then
+  return error_response("no params provided")
+end
+
+if not (params.username and params.email and params.password) then
+  return error_response("no username/email/password provided")
+end
+
+local existing, err = db:query(
+  "SELECT password FROM users WHERE email = ? AND username = ? AND deleted = 0 LIMIT 1",
+  {
+    params.email,
+    params.username
+  }
+)
+
+if err ~= nil then
+  log.error("Password fetch failed: " .. tostring(err))
+  return error_response("Database query failed: " .. tostring(err))
+end
+
+if not existing or #existing == 0 then
+  return error_response("Unit not found")
+end
+
+local hashed_password = existing[1].password
+
+local ok = crypt.compare(hashed_password, params.password)
+if not ok then
+  log.warn("Wrong password attempt for: " .. params.username)
+  return error_response("Invalid password")
+end
+
+local ctx, err = db:exec(
+  [[
+    UPDATE users
+    SET deleted = 1,
+        deleted_at = CURRENT_TIMESTAMP
+    WHERE email = ? AND username = ? AND deleted = 0
+  ]],
+  { params.email, params.username }
+)
+
+if err ~= nil then
+  log.error("Soft delete failed: " .. tostring(err))
+  return error_response("Soft delete failed: " .. tostring(err))
+end
+
+local res, err = ctx:wait()
+if err ~= nil then
+  log.error("Soft delete confirmation failed: " .. tostring(err))
+  return error_response("Soft delete confirmation failed: " .. tostring(err))
+end
+
+session.response.result = {
+  rows_affected = res,
+  message = "Unit soft-deleted successfully"
+}
+
+log.info("user " .. params.username .. " soft-deleted successfully")
+
+close_db()

com/_Auth/GetAccess.lua

@@ -0,0 +1,76 @@
+-- com/GetAccess
+
+---@diagnostic disable: redefined-local
+local db = require("internal.database.sqlite").connect("db/user-database.db", {log = true})
+local log = require("internal.log")
+local session = require("internal.session")
+local crypt = require("internal.crypt.bcrypt")
+local jwt = require("internal.crypt.jwt")
+local sha256 = require("internal.crypt.sha256")
+
+local params = session.request.params.get()
+local secret = require("_config").token()
+
+local function close_db()
+  if db then
+    db:close()
+    db = nil
+  end
+end
+
+local function error_response(message, code, data)
+  session.response.error = {
+    code = code or nil,
+    message = message,
+    data = data or nil
+  }
+  close_db()
+end
+
+if not params then
+  return error_response("No params provided")
+end
+
+if not (params.username and params.email and params.password) then
+  return error_response("Missing username, email or password")
+end
+
+local unit, err = db:query(
+  "SELECT id, username, email, password, created_at FROM users WHERE email = ? AND username = ? AND deleted = 0 LIMIT 1",
+  {
+    params.email,
+    params.username
+  }
+)
+
+if err then
+  log.error("DB query error: " .. tostring(err))
+  return error_response("Database query failed")
+end
+
+if not unit or #unit == 0 then
+  return error_response("Unit not found")
+end
+
+unit = unit[1]
+
+local ok = crypt.compare(unit.password, params.password)
+if not ok then
+  log.warn("Login failed: wrong password for " .. params.username)
+  return error_response("Invalid password")
+end
+
+local token = jwt.encode({
+  secret = secret,
+  payload = { session_uuid = session.id,
+    admin_user = params.username,
+    key = sha256.sum(session.request.address .. session.id .. session.request.headers.get("user-agent", "noagent"))
+  },
+  expires_in = 3600
+})
+
+session.response.result = {
+  access_token = token
+}
+
+close_db()

com/_Auth/PutNewUnit.lua

@@ -0,0 +1,109 @@
+-- com/PutNewUnit.lua
+
+---@diagnostic disable: redefined-local
+local db = require("internal.database.sqlite").connect("db/user-database.db", {log = true})
+local log = require("internal.log")
+local session = require("internal.session")
+local crypt = require("internal.crypt.bcrypt")
+local jwt = require("internal.crypt.jwt")
+local sha256 = require("internal.crypt.sha256")
+
+local params = session.request.params.get()
+local token = session.request.headers.get("authorization")
+
+local function close_db()
+  if db then
+    db:close()
+    db = nil
+  end
+end
+
+local function error_response(message, code, data)
+  session.response.error = {
+    code = code or nil,
+    message = message,
+    data = data or nil
+  }
+  close_db()
+end
+
+if not token or type(token) ~= "string" then
+  return error_response("Access denied")
+end
+
+local prefix = "Bearer "
+if token:sub(1, #prefix) ~= prefix then
+  return error_response("Invalid Authorization scheme")
+end
+
+local access_token = token:sub(#prefix + 1)
+
+local err, data = jwt.decode(access_token, { secret = require("_config").token() })
+
+if err or not data then
+  session.response.error = {
+    message = err
+  }
+  return
+end
+
+if data.session_uuid ~= session.id then
+  return error_response("Access denied")
+end
+
+if data.key ~= sha256.sum(session.request.address .. session.id .. session.request.headers.get("user-agent", "noagent")) then
+  return error_response("Access denied")
+end
+
+if not params then
+  return error_response("no params provided")
+end
+
+if not (params.username and params.email and params.password) then
+  return error_response("no username/email/password provided")
+end
+
+local hashPass = crypt.generate(params.password, crypt.DefaultCost)
+
+local existing, err = db:query("SELECT 1 FROM users WHERE deleted = 0 AND (email = ? OR username = ?) LIMIT 1", {
+  params.email,
+  params.username
+})
+
+if err ~= nil then
+  log.error("Email check failed: "..tostring(err))
+  return error_response("Database check failed: "..tostring(err))
+end
+
+if existing and #existing > 0 then
+  return error_response("Unit already exists")
+end
+
+local ctx, err = db:exec(
+  "INSERT INTO users (username, email, password, first_name, last_name, phone_number) VALUES (?, ?, ?, ?, ?, ?)",
+  {
+    params.username,
+    params.email,
+    hashPass,
+    params.first_name or "",
+    params.last_name or "",
+    params.phone_number or ""
+  }
+)
+if err ~= nil then
+  log.error("Insert failed: "..tostring(err))
+  return error_response("Insert failed: "..tostring(err))
+end
+
+local res, err = ctx:wait()
+if err ~= nil then
+  log.error("Insert confirmation failed: "..tostring(err))
+  return error_response("Insert confirmation failed: "..tostring(err))
+end
+
+session.response.result = {
+  rows_affected = res,
+  message = "Unit created successfully"
+}
+
+close_db()

com/_DB/Put.lua

@@ -0,0 +1,66 @@
+---@diagnostic disable: redefined-local
+local db = require("internal.database-sqlite").connect("db/test.db", {log = true})
+local log = require("internal.log")
+local session = require("internal.session")
+
+if not (session.request.params.name and session.request.params.email) then
+  session.response.error = {
+    code = -32602,
+    message = "Name and email are required"
+  }
+  return
+end
+
+local existing, err = db:query("SELECT 1 FROM users WHERE email = ? LIMIT 1", {
+  session.request.params.email
+})
+if err ~= nil then
+  session.response.error = {
+    code = -32603,
+    message = "Database check failed: "..tostring(err)
+  }
+  log.error("Email check failed: "..tostring(err))
+  return
+end
+
+if existing and #existing > 0 then
+  session.response.error = {
+    code = -32604,
+    message = "Email already exists"
+  }
+  return
+end
+
+local ctx, err = db:exec(
+  "INSERT INTO users (name, email) VALUES (?, ?)", 
+  {
+    session.request.params.name,
+    session.request.params.email
+  }
+)
+if err ~= nil then
+  session.response.error = {
+    code = -32605,
+    message = "Insert failed: "..tostring(err)
+  }
+  log.error("Insert failed: "..tostring(err))
+  return
+end
+
+local res, err = ctx:wait()
+if err ~= nil then
+  session.response.error = {
+    code = -32606,
+    message = "Insert confirmation failed: "..tostring(err)
+  }
+  log.error("Insert confirmation failed: "..tostring(err))
+  return
+end
+
+session.response.result = {
+  success = true,
+  rows_affected = res,
+  message = "User created successfully"
+}
+
+db:close()

com/_Net/GetExpl.lua

@@ -0,0 +1,29 @@
+local session = require("internal.session")
+local net = require("internal.net")
+
+local reqAddr
+local logReq = true
+
+if session.request.params and session.request.params.url then
+  reqAddr = session.request.params.url
+else
+  session.response.error = {
+    code = -32602,
+    message = "no url provided"
+  }
+  return
+end
+
+local resp = net.http.get_request(logReq, reqAddr)
+if resp then
+  session.response.result.answer = {
+    status = resp.status,
+    body = resp.body
+  }
+  return
+end
+
+session.response.error = {
+  data = "error while requesting"
+}
+

com/_Net/PostExpl.lua

@@ -0,0 +1,35 @@
+local session = require("internal.session")
+local net = require("internal.net")
+local log = require("internal.log")
+
+local reqAddr
+local logReq = true
+local payload
+
+log.debug(session.request.params)
+
+if not (session.request.params and session.request.params.url) then
+  session.response.error = {
+    code = -32602,
+    message = "no url or payload provided"
+  }
+  return
+end
+
+
+
+reqAddr = session.request.params.url
+payload = session.request.params.payload
+
+local resp = net.http.post_request(logReq, reqAddr, "application/json", payload)
+if resp then
+  session.response.result.answer = {
+    status = resp.status,
+    body = resp.body
+  }
+  return
+end
+
+session.response.error = {
+  data = "error while requesting"
+}

com/_globals.lua

@@ -1,11 +1,54 @@
----@alias AnyTable table<string, any>
+--@diagnostic disable: missing-fields, missing-return
 
----@type AnyTable
-In = {
-	Params = {},
-}
+---@alias Any any
+---@alias AnyTable table<string, Any>
 
----@type AnyTable
-Out = {
-	Result = {},
-}
+--- Global session module interface
+---@class SessionIn
+---@field params AnyTable Request parameters
+
+---@class SessionOut
+---@field result Any|string? Result payload (table or primitive)
+---@field error { code: integer, message: string, data: Any }? Optional error info
+
+---@class SessionModule
+---@field request SessionIn Input context (read-only)
+---@field response SessionOut Output context (write results/errors)
+
+--- Global log module interface
+---@class LogModule
+---@field info fun(msg: string) Log informational message
+---@field debug fun(msg: string) Log debug message
+---@field error fun(msg: string) Log error message
+---@field warn fun(msg: string) Log warning message
+---@field event fun(msg: string) Log event (generic)
+---@field event_error fun(msg: string) Log event error
+---@field event_warn fun(msg: string) Log event warning
+
+--- Global net module interface
+---@class HttpResponse
+---@field status integer HTTP status code
+---@field status_text string HTTP status text
+---@field body string Response body
+---@field content_length integer Content length
+---@field headers AnyTable Map of headers
+
+---@class HttpModule
+---@field get fun(log: boolean, url: string): HttpResponse, string? Perform GET
+---@field post fun(log: boolean, url: string, content_type: string, payload: string): HttpResponse, string? Perform POST
+
+---@class NetModule
+---@field http HttpModule HTTP client functions
+
+--- Global variables declaration
+---@global
+---@type SessionModule
+_G.session = session or {}
+
+---@global
+---@type LogModule
+_G.log = log or {}
+
+---@global
+---@type NetModule
+_G.net = net or {}

com/_prepare.lua

@@ -2,15 +2,3 @@
 package.path = package.path .. ";/usr/lib64/lua/5.1/?.lua;/usr/local/share/lua/5.1/?.lua" .. ";./com/?.lua;"
 package.cpath = package.cpath .. ";/usr/lib64/lua/5.1/?.so;/usr/local/lib/lua/5.1/?.so"
 
-print = function() end
-io.write = function(...) end
-io.stdout = function() return nil end
-io.stderr = function() return nil end
-io.read = function(...) return nil end
-
----@type table<string, any>
-Status = {
-	ok = "ok",
-	error = "error",
-	invalid = "invalid",
-}

com/echo.lua

@@ -1,13 +0,0 @@
---- #description = "Echoes back the message."
---- #args 
----  msg = the message
-
-if not In.Params.msg or In.Params.msg == "" then
-    Out.Result.status = Status.error
-    Out.Result.error = "Missing parameter: msg"
-    return
-end
-
-Out.Result.status = Status.ok
-Out.Result.answer = In.Params.msg
-return

config-example.yaml

@@ -1,21 +1,30 @@
-mode: "prod"
+node:
+  mode: dev
+  name: "My gosally node"
+  show_config: true
+  com_dir: "%path%/com"
 
 http_server:
-  address: "0.0.0.0:8080"
-  api:
-    latest-version: v1
-    layers:
-      - b1
-      - s2
+  address: "0.0.0.0"
+  port: "8080"
+  session_ttl: 5s
+  timeout: 3s
+  idle_timeout: 30s
 
 tls:
-  enabled: false
-  cert_file: "./cert/fullchain.pem"
-  key_file: "./cert/privkey.pem"
-
-com_dir: "com/"
+  enabled: true
+  cert_file: "%path%/cert/fullchain.pem"
+  key_file: "%path%/cert/privkey.pem"
 
 updates:
-  enabled: true
+  enabled: false
   check-interval: 1h
-  repository_url: "https://repo.serve.lv/raw/go-sally"
+  repository_url: "https://repo.serve.lv/raw/go-sally"
+
+log:
+  json_format: false
+  level: "debug"
+
+disable_warnings:
+  - --WNonStdTmpDir
+  - --WUndefLogLevel

core/app/app.go

@@ -1,64 +0,0 @@
-package app
-
-import (
-	"context"
-	"log"
-	"log/slog"
-	"os"
-	"os/signal"
-	"syscall"
-
-	"github.com/akyaiy/GoSally-mvp/core/config"
-	"github.com/akyaiy/GoSally-mvp/core/corestate"
-	"github.com/akyaiy/GoSally-mvp/core/update"
-)
-
-type AppContract interface {
-	InitialHooks(fn ...func(cs *corestate.CoreState, x *AppX))
-	Run(fn func(ctx context.Context, cs *corestate.CoreState, x *AppX) error)
-}
-
-type App struct {
-	initHooks []func(cs *corestate.CoreState, x *AppX)
-	runHook   func(ctx context.Context, cs *corestate.CoreState, x *AppX) error
-
-	Corestate *corestate.CoreState
-	AppX      *AppX
-}
-
-type AppX struct {
-	Config  *config.Compositor
-	Log     *log.Logger
-	SLog    *slog.Logger
-	Updated *update.Updater
-}
-
-func New() AppContract {
-	return &App{
-		AppX: &AppX{
-			Log: log.Default(),
-		},
-		Corestate: &corestate.CoreState{},
-	}
-}
-
-func (a *App) InitialHooks(fn ...func(cs *corestate.CoreState, x *AppX)) {
-	a.initHooks = append(a.initHooks, fn...)
-}
-
-func (a *App) Run(fn func(ctx context.Context, cs *corestate.CoreState, x *AppX) error) {
-	a.runHook = fn
-
-	for _, hook := range a.initHooks {
-		hook(a.Corestate, a.AppX)
-	}
-
-	ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT)
-	defer stop()
-
-	if a.runHook != nil {
-		if err := a.runHook(ctx, a.Corestate, a.AppX); err != nil {
-			log.Fatalf("fatal in Run: %v", err)
-		}
-	}
-}

core/config/config.go

@@ -1,79 +0,0 @@
-// Package config provides configuration management for the application.
-// config is built on top of the third-party module cleanenv
-package config
-
-import (
-	"time"
-)
-
-type CompositorContract interface {
-	LoadEnv() error
-	LoadConf(path string) error
-}
-
-type Compositor struct {
-	CMDLine *CMDLine
-	Conf    *Conf
-	Env     *Env
-}
-
-type Conf struct {
-	Mode       string     `mapstructure:"mode"`
-	ComDir     string     `mapstructure:"com_dir"`
-	HTTPServer HTTPServer `mapstructure:"http_server"`
-	TLS        TLS        `mapstructure:"tls"`
-	Updates    Updates    `mapstructure:"updates"`
-	Log        Log        `mapstructure:"log"`
-}
-
-type HTTPServer struct {
-	Address        string         `mapstructure:"address"`
-	Port           string         `mapstructure:"port"`
-	Timeout        time.Duration  `mapstructure:"timeout"`
-	IdleTimeout    time.Duration  `mapstructure:"idle_timeout"`
-	HTTPServer_Api HTTPServer_Api `mapstructure:"api"`
-}
-
-type HTTPServer_Api struct {
-	LatestVer string   `mapstructure:"latest-version"`
-	Layers    []string `mapstructure:"layers"`
-}
-
-type TLS struct {
-	TlsEnabled bool   `mapstructure:"enabled"`
-	CertFile   string `mapstructure:"cert_file"`
-	KeyFile    string `mapstructure:"key_file"`
-}
-
-type Updates struct {
-	UpdatesEnabled bool          `mapstructure:"enabled"`
-	CheckInterval  time.Duration `mapstructure:"check_interval"`
-	RepositoryURL  string        `mapstructure:"repository_url"`
-	WantedVersion  string        `mapstructure:"wanted_version"`
-}
-
-type Log struct {
-	Level   string `mapstructure:"level"`
-	OutPath string `mapstructure:"out_path"`
-}
-
-// ConfigEnv structure for environment variables
-type Env struct {
-	ConfigPath     string `mapstructure:"config_path"`
-	NodePath       string `mapstructure:"node_path"`
-	ParentStagePID int    `mapstructure:"parent_pid"`
-}
-
-type CMDLine struct {
-	Run  Run
-	Node Root
-}
-
-type Root struct {
-	Debug bool `persistent:"true" full:"debug" short:"d" def:"false" desc:"Set debug mode"`
-}
-
-type Run struct {
-	ConfigPath string `persistent:"true" full:"config" short:"c" def:"./config.yaml" desc:"Path to configuration file"`
-	Test       []int  `persistent:"true" full:"test" short:"t" def:"" desc:"js test"`
-}

core/general_server/handle_multi.go

@@ -1,190 +0,0 @@
-// Package general_server provides an API request router based on versioning and custom layers.
-//
-// The GeneralServer distributes incoming HTTP requests to specific registered servers
-// depending on the API version or defined logical layer. To operate properly, additional
-// servers must be registered using the InitGeneral function or AppendToArray method.
-//
-// All registered servers must implement the GeneralServerApiContract interface to ensure
-// correct interaction. The GeneralServer itself implements this interface and can be
-// passed as an HTTP handler.
-//
-// If the requested version is not explicitly registered but matches a configured logical
-// layer, the server will fallback to the latest registered version for that layer.
-// Otherwise, an HTTP 400 error is returned.
-package general_server
-
-import (
-	"errors"
-	"log/slog"
-	"net/http"
-	"slices"
-
-	"github.com/akyaiy/GoSally-mvp/core/config"
-	"github.com/akyaiy/GoSally-mvp/core/utils"
-
-	"github.com/go-chi/chi/v5"
-)
-
-// serversApiVer is a type alias for string, used to represent API version strings in the GeneralServer.
-type serversApiVer string
-
-// GeneralServerApiContract defines the interface for servers that can be registered
-type GeneralServerApiContract interface {
-	// GetVersion returns the API version of the server.
-	GetVersion() string
-
-	// Handle and HandleList methods are used to forward requests.
-	Handle(w http.ResponseWriter, r *http.Request)
-	HandleList(w http.ResponseWriter, r *http.Request)
-}
-
-// GeneralServerContarct extends the GeneralServerApiContract with a method to append new servers.
-// This interface is only for general server initialization and does not need to be implemented by individual servers.
-type GeneralServerContarct interface {
-	GeneralServerApiContract
-	// AppendToArray adds a new server to the GeneralServer's internal map.
-	AppendToArray(GeneralServerApiContract) error
-}
-
-// GeneralServer implements the GeneralServerApiContract and serves as a router for different API versions.
-type GeneralServer struct {
-	w http.ResponseWriter
-	r *http.Request
-
-	// servers holds the registered servers by their API version.
-	// The key is the version string, and the value is the server implementing GeneralServerApi
-	servers map[serversApiVer]GeneralServerApiContract
-
-	log slog.Logger
-	cfg *config.Conf
-}
-
-// GeneralServerInit structure only for initialization general server.
-type GeneralServerInit struct {
-	Log    slog.Logger
-	Config *config.Conf
-}
-
-// InitGeneral initializes a new GeneralServer with the provided configuration and registered servers.
-func InitGeneral(o *GeneralServerInit, servers ...GeneralServerApiContract) *GeneralServer {
-	general := &GeneralServer{
-		servers: make(map[serversApiVer]GeneralServerApiContract),
-		cfg:     o.Config,
-		log:     o.Log,
-	}
-
-	// register the provided servers
-	// s is each server implementing GeneralServerApiContract, this is not a general server
-	for _, s := range servers {
-		general.servers[serversApiVer(s.GetVersion())] = s
-	}
-	return general
-}
-
-// GetVersion returns the API version of the GeneralServer, which is "general".
-func (s *GeneralServer) GetVersion() string {
-	return "general"
-}
-
-// AppendToArray adds a new server to the GeneralServer's internal map.
-func (s *GeneralServer) AppendToArray(server GeneralServerApiContract) error {
-	if _, exist := s.servers[serversApiVer(server.GetVersion())]; !exist {
-		s.servers[serversApiVer(server.GetVersion())] = server
-		return nil
-	}
-	return errors.New("server with this version is already exist")
-}
-
-// Handle processes incoming HTTP requests, routing them to the appropriate server based on the API version.
-// It checks if the requested version is registered and handles the request accordingly.
-func (s *GeneralServer) Handle(w http.ResponseWriter, r *http.Request) {
-	s.w = w
-	s.r = r
-	serverReqApiVer := chi.URLParam(r, "ver")
-	log := s.log.With(
-		slog.Group("request",
-			slog.String("version", serverReqApiVer),
-			slog.String("url", s.r.URL.String()),
-			slog.String("method", s.r.Method),
-		),
-		slog.Group("connection",
-			slog.String("remote", s.r.RemoteAddr),
-		),
-	)
-
-	s.log.Debug("Received request")
-
-	// transfer control to the server
-	if srv, ok := s.servers[serversApiVer(serverReqApiVer)]; ok {
-		srv.Handle(w, r)
-		return
-	}
-
-	// if the requested version is not registered, check if it matches a logical layer
-	// and use the latest version for that layer if available
-	// this allows for custom layers to be defined in the configuration
-	// and used as a fallback for unsupported versions
-	// this is useful for cases where the API version is not explicitly registered
-	// but the logical layer is defined in the configuration
-	if slices.Contains(s.cfg.HTTPServer.HTTPServer_Api.Layers, serverReqApiVer) {
-		if srv, ok := s.servers[serversApiVer(s.cfg.HTTPServer.HTTPServer_Api.LatestVer)]; ok {
-			s.log.Debug("Using latest version under custom layer",
-				slog.String("layer", serverReqApiVer),
-				slog.String("fallback-version", s.cfg.HTTPServer.HTTPServer_Api.LatestVer),
-			)
-			// transfer control to the latest version server under the custom layer
-			srv.Handle(w, r)
-			return
-		}
-	}
-
-	log.Error("HTTP request error: unsupported API version",
-		slog.Int("status", http.StatusBadRequest))
-	if err := utils.WriteJSONError(s.w, http.StatusBadRequest, "unsupported API version"); err != nil {
-		s.log.Error("Failed to write JSON", slog.String("err", err.Error()))
-	}
-}
-
-// HandleList processes incoming HTTP requests for listing commands, routing them to the appropriate server based on the API version.
-func (s *GeneralServer) HandleList(w http.ResponseWriter, r *http.Request) {
-	s.w = w
-	s.r = r
-	serverReqApiVer := chi.URLParam(r, "ver")
-
-	log := s.log.With(
-		slog.Group("request",
-			slog.String("version", serverReqApiVer),
-			slog.String("url", s.r.URL.String()),
-			slog.String("method", s.r.Method),
-		),
-		slog.Group("connection",
-			slog.String("remote", s.r.RemoteAddr),
-		),
-	)
-
-	log.Debug("Received request")
-
-	// transfer control to the server
-	if srv, ok := s.servers[serversApiVer(serverReqApiVer)]; ok {
-		srv.HandleList(w, r)
-		return
-	}
-
-	if slices.Contains(s.cfg.HTTPServer.HTTPServer_Api.Layers, serverReqApiVer) {
-		if srv, ok := s.servers[serversApiVer(s.cfg.HTTPServer.HTTPServer_Api.LatestVer)]; ok {
-			log.Debug("Using latest version under custom layer",
-				slog.String("layer", serverReqApiVer),
-				slog.String("fallback-version", s.cfg.HTTPServer.HTTPServer_Api.LatestVer),
-			)
-			// transfer control to the latest version server under the custom layer
-			srv.HandleList(w, r)
-			return
-		}
-	}
-
-	log.Error("HTTP request error: unsupported API version",
-		slog.Int("status", http.StatusBadRequest))
-	if err := utils.WriteJSONError(s.w, http.StatusBadRequest, "unsupported API version"); err != nil {
-		s.log.Error("Failed to write JSON", slog.String("err", err.Error()))
-	}
-}

core/sv1/handle_com.go

@@ -1,183 +0,0 @@
-package sv1
-
-import (
-	"encoding/json"
-	"log/slog"
-	"net/http"
-	"os"
-	"path/filepath"
-
-	"github.com/akyaiy/GoSally-mvp/core/config"
-	"github.com/akyaiy/GoSally-mvp/core/corestate"
-	"github.com/akyaiy/GoSally-mvp/core/utils"
-	"github.com/go-chi/chi/v5"
-	lua "github.com/yuin/gopher-lua"
-)
-
-// HandlerV1 is the main handler for version 1 of the API.
-// The function processes the HTTP request and runs Lua scripts,
-// preparing the environment and subsequently transmitting the execution result
-func (h *HandlerV1) Handle(w http.ResponseWriter, r *http.Request) {
-	uuid16, err := utils.NewUUID(int(config.UUIDLength))
-	if err != nil {
-		h.log.Error("Failed to generate UUID",
-			slog.String("error", err.Error()))
-
-		if err := utils.WriteJSONError(w, http.StatusInternalServerError, "failed to generate UUID: "+err.Error()); err != nil {
-			h.log.Error("Failed to write JSON", slog.String("err", err.Error()))
-		}
-		return
-	}
-	log := h.log.With(
-		slog.Group("request",
-			slog.String("version", h.GetVersion()),
-			slog.String("url", r.URL.String()),
-			slog.String("method", r.Method),
-		),
-		slog.Group("connection",
-			slog.String("connection-uuid", uuid16),
-			slog.String("remote", r.RemoteAddr),
-		),
-	)
-	log.Info("Received request")
-
-	cmd := chi.URLParam(r, "cmd")
-	if !h.allowedCmd.MatchString(string([]rune(cmd)[0])) || !h.listAllowedCmd.MatchString(cmd) {
-		log.Error("HTTP request error",
-			slog.String("error", "invalid command"),
-			slog.String("cmd", cmd),
-			slog.Int("status", http.StatusBadRequest))
-
-		if err := utils.WriteJSONError(w, http.StatusBadRequest, "invalid command"); err != nil {
-			h.log.Error("Failed to write JSON", slog.String("err", err.Error()))
-		}
-		return
-	}
-
-	scriptPath := h.comMatch(chi.URLParam(r, "ver"), cmd)
-	if scriptPath == "" {
-		log.Error("HTTP request error",
-			slog.String("error", "command not found"),
-			slog.String("cmd", cmd),
-			slog.Int("status", http.StatusNotFound))
-
-		if err := utils.WriteJSONError(w, http.StatusNotFound, "command not found"); err != nil {
-			h.log.Error("Failed to write JSON", slog.String("err", err.Error()))
-		}
-		return
-	}
-
-	scriptPath = filepath.Join(h.cfg.ComDir, scriptPath)
-	if _, err := os.Stat(scriptPath); err != nil {
-		log.Error("HTTP request error",
-			slog.String("error", "command not found"),
-			slog.String("cmd", cmd),
-			slog.Int("status", http.StatusNotFound))
-
-		if err := utils.WriteJSONError(w, http.StatusNotFound, "command not found"); err != nil {
-			h.log.Error("Failed to write JSON", slog.String("err", err.Error()))
-		}
-		return
-	}
-
-	L := lua.NewState()
-	defer L.Close()
-
-	paramsTable := L.NewTable()
-	qt := r.URL.Query()
-	for k, v := range qt {
-		if len(v) > 0 {
-			L.SetField(paramsTable, k, lua.LString(v[0]))
-		}
-	}
-	inTable := L.NewTable()
-	L.SetField(inTable, "Params", paramsTable)
-	L.SetGlobal("In", inTable)
-
-	// Создаем таблицу Out с Result
-	resultTable := L.NewTable()
-	outTable := L.NewTable()
-	L.SetField(outTable, "Result", resultTable)
-	L.SetGlobal("Out", outTable)
-
-	prepareLuaEnv := filepath.Join(h.cfg.ComDir, "_prepare.lua")
-	if _, err := os.Stat(prepareLuaEnv); err == nil {
-		if err := L.DoFile(prepareLuaEnv); err != nil {
-			log.Error("Failed to prepare lua environment",
-				slog.String("error", err.Error()))
-
-			if err := utils.WriteJSONError(w, http.StatusInternalServerError, "lua error: "+err.Error()); err != nil {
-				h.log.Error("Failed to write JSON", slog.String("err", err.Error()))
-			}
-			return
-		}
-	} else {
-		log.Warn("No environment preparation script found, skipping preparation")
-	}
-
-	if err := L.DoFile(scriptPath); err != nil {
-		log.Error("Failed to execute lua script",
-			slog.String("error", err.Error()))
-		if err := utils.WriteJSONError(w, http.StatusInternalServerError, "lua error: "+err.Error()); err != nil {
-			h.log.Error("Failed to write JSON", slog.String("err", err.Error()))
-		}
-		return
-	}
-
-	lv := L.GetGlobal("Out")
-	tbl, ok := lv.(*lua.LTable)
-	if !ok {
-		log.Error("Lua global 'Out' is not a table")
-
-		if err := utils.WriteJSONError(w, http.StatusInternalServerError, "'Out' is not a table"); err != nil {
-			h.log.Error("Failed to write JSON", slog.String("err", err.Error()))
-		}
-		return
-	}
-
-	resultVal := tbl.RawGetString("Result")
-	resultTbl, ok := resultVal.(*lua.LTable)
-	if !ok {
-		log.Error("Lua global 'Result' is not a table")
-
-		if err := utils.WriteJSONError(w, http.StatusInternalServerError, "'Result' is not a table"); err != nil {
-			h.log.Error("Failed to write JSON", slog.String("err", err.Error()))
-		}
-		return
-	}
-
-	out := make(map[string]any)
-	resultTbl.ForEach(func(key lua.LValue, value lua.LValue) {
-		out[key.String()] = utils.ConvertLuaTypesToGolang(value)
-	})
-	uuid32, _ := corestate.GetNodeUUID(filepath.Join(config.MetaDir, "uuid"))
-	response := ResponseFormat{
-		ResponsibleAgentUUID: uuid32,
-		RequestedCommand:     cmd,
-		Response:             out,
-	}
-
-	w.Header().Set("Content-Type", "application/json")
-	if err := json.NewEncoder(w).Encode(response); err != nil {
-		log.Error("Failed to encode JSON response",
-			slog.String("error", err.Error()))
-	}
-
-	status, _ := out["status"].(string)
-	switch status {
-	case "error":
-		log.Info("Command executed with error",
-			slog.String("cmd", cmd),
-			slog.Any("result", out))
-	case "ok":
-		log.Info("Command executed successfully",
-			slog.String("cmd", cmd),
-			slog.Any("result", out))
-	default:
-		log.Info("Command executed and returned an unknown status",
-			slog.String("cmd", cmd),
-			slog.Any("result", out))
-	}
-
-	log.Info("Session completed")
-}

core/sv1/handle_list.go

@@ -1,131 +0,0 @@
-package sv1
-
-import (
-	"encoding/json"
-	"log/slog"
-	"net/http"
-	"os"
-	"path/filepath"
-	"strings"
-
-	"github.com/akyaiy/GoSally-mvp/core/config"
-	"github.com/akyaiy/GoSally-mvp/core/corestate"
-	"github.com/akyaiy/GoSally-mvp/core/utils"
-	"github.com/go-chi/chi/v5"
-)
-
-// The function processes the HTTP request and returns a list of available commands.
-func (h *HandlerV1) HandleList(w http.ResponseWriter, r *http.Request) {
-	uuid16, err := utils.NewUUID(int(config.UUIDLength))
-	if err != nil {
-		h.log.Error("Failed to generate UUID",
-			slog.String("error", err.Error()))
-
-		if err := utils.WriteJSONError(w, http.StatusInternalServerError, "failed to generate UUID: "+err.Error()); err != nil {
-			h.log.Error("Failed to write JSON", slog.String("err", err.Error()))
-		}
-		return
-	}
-	log := h.log.With(
-		slog.Group("request",
-			slog.String("version", h.GetVersion()),
-			slog.String("url", r.URL.String()),
-			slog.String("method", r.Method),
-		),
-		slog.Group("connection",
-			slog.String("connection-uuid", uuid16),
-			slog.String("remote", r.RemoteAddr),
-		),
-	)
-	log.Info("Received request")
-	type ComMeta struct {
-		Description string            `json:"Description"`
-		Arguments   map[string]string `json:"Arguments,omitempty"`
-	}
-	var (
-		files         []os.DirEntry
-		commands      = make(map[string]ComMeta)
-		cmdsProcessed = make(map[string]bool)
-	)
-
-	if files, err = os.ReadDir(h.cfg.ComDir); err != nil {
-		log.Error("Failed to read commands directory",
-			slog.String("error", err.Error()))
-
-		if err := utils.WriteJSONError(w, http.StatusInternalServerError, "failed to read commands directory: "+err.Error()); err != nil {
-			h.log.Error("Failed to write JSON", slog.String("err", err.Error()))
-		}
-		return
-	}
-
-	apiVer := chi.URLParam(r, "ver")
-
-	// Сначала ищем версионные
-	for _, file := range files {
-		if file.IsDir() || filepath.Ext(file.Name()) != ".lua" {
-			continue
-		}
-		cmdFull := file.Name()[:len(file.Name())-4]
-		cmdParts := strings.SplitN(cmdFull, "?", 2)
-		cmdName := cmdParts[0]
-
-		if !h.allowedCmd.MatchString(string([]rune(cmdName)[0])) {
-			continue
-		}
-		if !h.listAllowedCmd.MatchString(cmdName) {
-			continue
-		}
-
-		if len(cmdParts) == 2 && cmdParts[1] == apiVer {
-			description, _ := h.extractDescriptionStatic(filepath.Join(h.cfg.ComDir, file.Name()))
-			if description == "" {
-				description = "description missing"
-			}
-			commands[cmdName] = ComMeta{Description: description}
-			cmdsProcessed[cmdName] = true
-		}
-	}
-
-	// Потом фоллбеки
-	for _, file := range files {
-		if file.IsDir() || filepath.Ext(file.Name()) != ".lua" {
-			continue
-		}
-		cmdFull := file.Name()[:len(file.Name())-4]
-		cmdParts := strings.SplitN(cmdFull, "?", 2)
-		cmdName := cmdParts[0]
-
-		if !h.allowedCmd.MatchString(string([]rune(cmdName)[0])) {
-			continue
-		}
-		if !h.listAllowedCmd.MatchString(cmdName) {
-			continue
-		}
-		if cmdsProcessed[cmdName] {
-			continue
-		}
-		if len(cmdParts) == 1 {
-			description, _ := h.extractDescriptionStatic(filepath.Join(h.cfg.ComDir, file.Name()))
-			if description == "" {
-				description = "description missing"
-			}
-			commands[cmdName] = ComMeta{Description: description}
-			cmdsProcessed[cmdName] = true
-		}
-	}
-
-	log.Debug("Command list prepared")
-
-	log.Info("Session completed")
-	uuid32, _ := corestate.GetNodeUUID(filepath.Join(config.MetaDir, "uuid"))
-	response := ResponseFormat{
-		ResponsibleAgentUUID: uuid32,
-		RequestedCommand:     "list",
-		Response:             commands,
-	}
-	w.Header().Set("Content-Type", "application/json")
-	if err := json.NewEncoder(w).Encode(response); err != nil {
-		h.log.Error("Failed to write JSON error response",
-			slog.String("error", err.Error()))
-	}
-}

core/sv1/proto.go

@@ -1,7 +0,0 @@
-package sv1
-
-type ResponseFormat struct {
-	ResponsibleAgentUUID string
-	RequestedCommand     string
-	Response             any
-}

core/sv1/utils.go

@@ -1,61 +0,0 @@
-package sv1
-
-import (
-	"log/slog"
-	"os"
-	"regexp"
-)
-
-// func (h *HandlerV1) errNotFound(w http.ResponseWriter, r *http.Request) {
-// 	utils.WriteJSONError(h.w, http.StatusBadRequest, "invalid request")
-// 	h.log.Error("HTTP request error",
-// 		slog.String("remote", h.r.RemoteAddr),
-// 		slog.String("method", h.r.Method),
-// 		slog.String("url", h.r.URL.String()),
-// 		slog.Int("status", http.StatusBadRequest))
-// }
-
-func (h *HandlerV1) extractDescriptionStatic(path string) (string, error) {
-	data, err := os.ReadFile(path)
-	if err != nil {
-		return "", err
-	}
-
-	re := regexp.MustCompile(`---\s*#description\s*=\s*"([^"]+)"`)
-	m := re.FindStringSubmatch(string(data))
-	if len(m) <= 0 {
-		return "", nil
-	}
-	return m[1], nil
-}
-
-func (h *HandlerV1) comMatch(ver string, comName string) string {
-	files, err := os.ReadDir(h.cfg.ComDir)
-	if err != nil {
-		h.log.Error("Failed to read com dir",
-			slog.String("error", err.Error()))
-		return ""
-	}
-
-	baseName := comName + ".lua"
-	verName := comName + "?" + ver + ".lua"
-
-	var baseFileFound string
-
-	for _, f := range files {
-		if f.IsDir() {
-			continue
-		}
-		fname := f.Name()
-
-		if fname == verName {
-			return fname
-		}
-
-		if fname == baseName {
-			baseFileFound = fname
-		}
-	}
-
-	return baseFileFound
-}

core/utils/internal_lua.go

@@ -1,26 +0,0 @@
-package utils
-
-import lua "github.com/yuin/gopher-lua"
-
-func ConvertLuaTypesToGolang(value lua.LValue) any {
-	switch value.Type() {
-	case lua.LTString:
-		return value.String()
-	case lua.LTNumber:
-		return float64(value.(lua.LNumber))
-	case lua.LTBool:
-		return bool(value.(lua.LBool))
-	case lua.LTTable:
-		result := make(map[string]interface{})
-		if tbl, ok := value.(*lua.LTable); ok {
-			tbl.ForEach(func(key lua.LValue, value lua.LValue) {
-				result[key.String()] = ConvertLuaTypesToGolang(value)
-			})
-		}
-		return result
-	case lua.LTNil:
-		return nil
-	default:
-		return value.String()
-	}
-}

go.mod

@@ -4,35 +4,42 @@ go 1.24.4
 
 require (
 	github.com/go-chi/chi/v5 v5.2.2
-	github.com/ilyakaznacheev/cleanenv v1.5.0
+	github.com/google/uuid v1.6.0
+	github.com/spf13/cobra v1.9.1
+	github.com/spf13/viper v1.20.1
 	github.com/yuin/gopher-lua v1.1.1
-	golang.org/x/net v0.41.0
+	golang.org/x/crypto v0.40.0
+	golang.org/x/net v0.42.0
+	gopkg.in/ini.v1 v1.67.0
+	gopkg.in/natefinch/lumberjack.v2 v2.2.1
+	modernc.org/sqlite v1.38.2
 )
 
 require (
-	github.com/fsnotify/fsnotify v1.8.0 // indirect
-	github.com/go-viper/mapstructure/v2 v2.2.1 // indirect
+	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/fsnotify/fsnotify v1.9.0 // indirect
+	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
+	github.com/golang-jwt/jwt/v5 v5.3.0
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
-	github.com/pelletier/go-toml/v2 v2.2.3 // indirect
-	github.com/sagikazarmark/locafero v0.7.0 // indirect
-	github.com/sourcegraph/conc v0.3.0 // indirect
-	github.com/spf13/afero v1.12.0 // indirect
-	github.com/spf13/cast v1.7.1 // indirect
-	github.com/spf13/cobra v1.9.1 // indirect
-	github.com/spf13/pflag v1.0.6 // indirect
-	github.com/spf13/viper v1.20.1 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/ncruces/go-strftime v0.1.9 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
+	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
+	github.com/sagikazarmark/locafero v0.10.0 // indirect
+	github.com/sourcegraph/conc v0.3.1-0.20240121214520-5f936abd7ae8 // indirect
+	github.com/spf13/afero v1.14.0 // indirect
+	github.com/spf13/cast v1.9.2 // indirect
+	github.com/spf13/pflag v1.0.7 // indirect
 	github.com/subosito/gotenv v1.6.0 // indirect
-	go.uber.org/atomic v1.9.0 // indirect
-	go.uber.org/multierr v1.9.0 // indirect
-	golang.org/x/sys v0.33.0 // indirect
-	golang.org/x/text v0.26.0 // indirect
-	gopkg.in/ini.v1 v1.67.0 // indirect
+	golang.org/x/exp v0.0.0-20250718183923-645b1fa84792 // indirect
+	golang.org/x/sys v0.34.0 // indirect
+	golang.org/x/text v0.27.0 // indirect
+	modernc.org/libc v1.66.6 // indirect
+	modernc.org/mathutil v1.7.1 // indirect
+	modernc.org/memory v1.11.0 // indirect
 )
 
 require (
-	github.com/BurntSushi/toml v1.5.0 // indirect
 	github.com/go-chi/cors v1.2.2
-	github.com/joho/godotenv v1.5.1 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-	olympos.io/encoding/edn v0.0.0-20201019073823-d3554ca0b0a3 // indirect
 )

go.sum

@@ -1,62 +1,117 @@
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+modernc.org/token v1.1.0/go.mod h1:UGzOrNV1mAFSEB63lOFHIpNRUVMvYTc6yu1SMY/XTDM=

hooks/initial.go

@@ -0,0 +1,416 @@
+package hooks
+
+import (
+	"bufio"
+	"context"
+	"errors"
+	"fmt"
+	"io"
+	"io/fs"
+	"log"
+	"log/slog"
+	"os"
+	"os/signal"
+	"path/filepath"
+	"reflect"
+	"slices"
+	"strings"
+	"syscall"
+	"time"
+
+	"github.com/akyaiy/GoSally-mvp/internal/colors"
+	"github.com/akyaiy/GoSally-mvp/internal/core/corestate"
+	"github.com/akyaiy/GoSally-mvp/internal/core/run_manager"
+	"github.com/akyaiy/GoSally-mvp/internal/core/utils"
+	"github.com/akyaiy/GoSally-mvp/internal/engine/app"
+	"github.com/akyaiy/GoSally-mvp/internal/engine/config"
+	"github.com/akyaiy/GoSally-mvp/internal/engine/logs"
+	"gopkg.in/ini.v1"
+)
+
+// The config composer needs to be in the global scope
+var Compositor *config.Compositor = config.NewCompositor()
+
+func InitGlobalLoggerHook(_ context.Context, cs *corestate.CoreState, x *app.AppX) {
+	x.Config = Compositor
+	x.Log.SetOutput(os.Stdout)
+	x.Log.SetPrefix(colors.SetBrightBlack(fmt.Sprintf("(%s) ", cs.Stage)))
+	x.Log.SetFlags(log.Ldate | log.Ltime)
+}
+
+// First stage: pre-init
+func InitCorestateHook(_ context.Context, cs *corestate.CoreState, x *app.AppX) {
+	*cs = *corestate.NewCorestate(&corestate.CoreState{
+		UUID32DirName:      "uuid",
+		NodeBinName:        filepath.Base(os.Args[0]),
+		NodeVersion:        config.NodeVersion,
+		MetaDir:            "./.meta",
+		Stage:              corestate.StagePreInit,
+		StartTimestampUnix: time.Now().Unix(),
+	})
+}
+
+func InitConfigLoadHook(_ context.Context, cs *corestate.CoreState, x *app.AppX) {
+	x.Log.SetPrefix(colors.SetYellow(fmt.Sprintf("(%s) ", cs.Stage)))
+
+	if err := x.Config.LoadEnv(); err != nil {
+		x.Log.Fatalf("env load error: %s", err)
+	}
+	cs.NodePath = *x.Config.Env.NodePath
+
+	if cfgPath := x.Config.CMDLine.Run.ConfigPath; cfgPath != "" {
+		x.Config.Env.ConfigPath = &cfgPath
+	}
+	if err := x.Config.LoadConf(*x.Config.Env.ConfigPath); err != nil {
+		x.Log.Fatalf("conf load error: %s", err)
+	}
+}
+
+// The hook reads or prepares a persistent uuid for the node
+func InitUUIDHook(_ context.Context, cs *corestate.CoreState, x *app.AppX) {
+	uuid32, err := corestate.GetNodeUUID(filepath.Join(cs.MetaDir, "uuid"))
+	if errors.Is(err, fs.ErrNotExist) {
+		if err := corestate.SetNodeUUID(filepath.Join(cs.NodePath, cs.MetaDir, cs.UUID32DirName)); err != nil {
+			x.Log.Fatalf("Cannod generate node uuid: %s", err.Error())
+		}
+		uuid32, err = corestate.GetNodeUUID(filepath.Join(cs.MetaDir, "uuid"))
+		if err != nil {
+			x.Log.Fatalf("Unexpected failure: %s", err.Error())
+		}
+	}
+	if err != nil {
+		x.Log.Fatalf("uuid load error: %s", err)
+	}
+	cs.UUID32 = uuid32
+	corestate.NODE_UUID = uuid32
+}
+
+// The hook is responsible for checking the initialization stage 
+// and restarting in some cases
+func InitRuntimeHook(_ context.Context, cs *corestate.CoreState, x *app.AppX) {
+	if *x.Config.Env.ParentStagePID != os.Getpid() {
+		// still pre-init stage
+		runDir, err := run_manager.Create(cs.UUID32)
+		if err != nil {
+			x.Log.Fatalf("Unexpected failure: %s", err.Error())
+		}
+		cs.RunDir = runDir
+		input, err := os.Open(os.Args[0])
+		if err != nil {
+			_ = run_manager.Clean()
+			x.Log.Fatalf("Unexpected failure: %s", err.Error())
+		}
+		if err := run_manager.Set(cs.NodeBinName); err != nil {
+			_ = run_manager.Clean()
+			x.Log.Fatalf("Unexpected failure: %s", err.Error())
+		}
+		fmgr := run_manager.File(cs.NodeBinName)
+		output, err := fmgr.Open()
+		if err != nil {
+			_ = run_manager.Clean()
+			x.Log.Fatalf("Unexpected failure: %s", err.Error())
+		}
+
+		if _, err := io.Copy(output, input); err != nil {
+			fmgr.Close()
+			_ = run_manager.Clean()
+			x.Log.Fatalf("Unexpected failure: %s", err.Error())
+		}
+		if err := os.Chmod(filepath.Join(cs.RunDir, cs.NodeBinName), 0755); err != nil {
+			fmgr.Close()
+			_ = run_manager.Clean()
+			x.Log.Fatalf("Unexpected failure: %s", err.Error())
+		}
+		input.Close()
+		fmgr.Close()
+		runArgs := os.Args
+		runArgs[0] = filepath.Join(cs.RunDir, cs.NodeBinName)
+
+		// prepare environ
+		env := utils.SetEviron(os.Environ(), fmt.Sprintf("GS_PARENT_PID=%d", os.Getpid()))
+
+		if err := syscall.Exec(runArgs[0], runArgs, env); err != nil {
+			_ = run_manager.Clean()
+			x.Log.Fatalf("Unexpected failure: %s", err.Error())
+		}
+	}
+	x.Log.Printf("Node uuid is %s", cs.UUID32)
+}
+
+// post-init stage
+// The hook creates a run.lock file, which contains information 
+// about the process and the node, in the runtime directory.
+func InitRunlockHook(_ context.Context, cs *corestate.CoreState, x *app.AppX) {
+	NodeApp.Fallback(func(ctx context.Context, cs *corestate.CoreState, x *app.AppX) {
+		x.Log.Println("Cleaning up...")
+
+		if err := run_manager.Clean(); err != nil {
+			x.Log.Printf("%s: Cleanup error: %s", colors.PrintError(), err.Error())
+		}
+		x.Log.Println("bye!")
+	})
+
+	cs.Stage = corestate.StagePostInit
+	x.Log.SetPrefix(colors.SetBlue(fmt.Sprintf("(%s) ", cs.Stage)))
+
+	cs.RunDir = run_manager.Toggle()
+	exist, err := utils.ExistsMatchingDirs(filepath.Join(os.TempDir(), fmt.Sprintf("/*-%s-%s", cs.UUID32, "gosally-runtime")), cs.RunDir)
+	if err != nil {
+		_ = run_manager.Clean()
+		x.Log.Fatalf("Unexpected failure: %s", err.Error())
+	}
+	if exist {
+		_ = run_manager.Clean()
+		x.Log.Fatalf("Unable to continue node operation: A node with the same identifier was found in the runtime environment")
+	}
+
+	if err := run_manager.Set("run.lock"); err != nil {
+		_ = run_manager.Clean()
+		x.Log.Fatalf("Unexpected failure: %s", err.Error())
+	}
+	lockPath, err := run_manager.Get("run.lock")
+	if err != nil {
+		_ = run_manager.Clean()
+		x.Log.Fatalf("Unexpected failure: %s", err.Error())
+	}
+	lockFile := ini.Empty()
+	secRun, err := lockFile.NewSection("runtime")
+	if err != nil {
+		_ = run_manager.Clean()
+		x.Log.Fatalf("Unexpected failure: %s", err.Error())
+	}
+	secRun.Key("pid").SetValue(fmt.Sprintf("%d/%d", os.Getpid(), x.Config.Env.ParentStagePID))
+	secRun.Key("version").SetValue(cs.NodeVersion)
+	secRun.Key("uuid").SetValue(cs.UUID32)
+	secRun.Key("timestamp").SetValue(time.Unix(cs.StartTimestampUnix, 0).Format("2006-01-02/15:04:05 MST"))
+	secRun.Key("timestamp-unix").SetValue(fmt.Sprintf("%d", cs.StartTimestampUnix))
+
+	err = lockFile.SaveTo(lockPath)
+	if err != nil {
+		_ = run_manager.Clean()
+		x.Log.Fatalf("Unexpected failure: %s", err.Error())
+	}
+}
+
+// The hook reads the configuration and replaces special expressions 
+// (%tmp% and so on) in string fields with the required data.
+func InitConfigReplHook(_ context.Context, cs *corestate.CoreState, x *app.AppX) {
+	if !slices.Contains(*x.Config.Conf.DisableWarnings, "--WNonStdTmpDir") && os.TempDir() != "/tmp" {
+		x.Log.Printf("%s: %s", colors.PrintWarn(), "Non-standard value specified for temporary directory")
+	}
+
+	replacements := map[string]any{
+		"%tmp%":    filepath.Clean(run_manager.RuntimeDir()),
+		"%path%":   *x.Config.Env.NodePath,
+		"%stdout%": "_1STDout",
+		"%stderr%": "_2STDerr",
+		"%1%":      "_1STDout",
+		"%2%":      "_2STDerr",
+	}
+
+	processConfig(&x.Config.Conf, replacements)
+
+	if !slices.Contains(logs.Levels.Available, *x.Config.Conf.Log.Level) {
+		if !slices.Contains(*x.Config.Conf.DisableWarnings, "--WUndefLogLevel") {
+			x.Log.Printf("%s: %s", colors.PrintWarn(), fmt.Sprintf("Unknown logging level %s, fallback level: %s", *x.Config.Conf.Log.Level, logs.Levels.Fallback))
+		}
+		x.Config.Conf.Log.Level = &logs.Levels.Fallback
+	}
+}
+
+// The hook is responsible for outputting the 
+// final config and asking for confirmation.
+func InitConfigPrintHook(ctx context.Context, cs *corestate.CoreState, x *app.AppX) {
+	if *x.Config.Conf.Node.ShowConfig {
+		fmt.Printf("Configuration from %s:\n", x.Config.CMDLine.Run.ConfigPath)
+		x.Config.Print(x.Config.Conf)
+
+		fmt.Printf("Environment:\n")
+		x.Config.Print(x.Config.Env)
+
+		if cs.UUID32 != "" && !askConfirm("Is that ok?", true) {
+			x.Log.Printf("Cancel launch")
+			NodeApp.CallFallback(ctx)
+		}
+	}
+
+	x.Log.Printf("Starting \"%s\" node", *x.Config.Conf.Node.Name)
+}
+
+func InitSLogHook(_ context.Context, cs *corestate.CoreState, x *app.AppX) {
+	cs.Stage = corestate.StageReady
+	x.Log.SetPrefix(colors.SetGreen(fmt.Sprintf("(%s) ", cs.Stage)))
+
+	x.SLog = new(slog.Logger)
+	newSlog, err := logs.SetupLogger(x.Config.Conf.Log)
+	if err != nil {
+		_ = run_manager.Clean()
+		x.Log.Fatalf("Unexpected failure: %s", err.Error())
+	}
+	*x.SLog = *newSlog
+}
+
+// The method goes through the entire config structure through 
+// reflection and replaces string fields with the required ones.
+func processConfig(conf any, replacements map[string]any) error {
+	val := reflect.ValueOf(conf)
+	if val.Kind() == reflect.Ptr {
+		val = val.Elem()
+	}
+
+	switch val.Kind() {
+	case reflect.Struct:
+		for i := 0; i < val.NumField(); i++ {
+			field := val.Field(i)
+			if field.CanAddr() && field.CanSet() {
+				if err := processConfig(field.Addr().Interface(), replacements); err != nil {
+					return err
+				}
+			}
+		}
+
+	case reflect.Slice:
+		for i := 0; i < val.Len(); i++ {
+			elem := val.Index(i)
+			if elem.CanAddr() && elem.CanSet() {
+				if err := processConfig(elem.Addr().Interface(), replacements); err != nil {
+					return err
+				}
+			}
+		}
+
+	case reflect.Map:
+		for _, key := range val.MapKeys() {
+			elem := val.MapIndex(key)
+			if elem.CanInterface() {
+				newVal := reflect.New(elem.Type()).Elem()
+				newVal.Set(elem)
+
+				if err := processConfig(newVal.Addr().Interface(), replacements); err != nil {
+					return err
+				}
+
+				val.SetMapIndex(key, newVal)
+			}
+		}
+
+	case reflect.String:
+		str := val.String()
+
+		if replacement, exists := replacements[str]; exists {
+			if err := setValue(val, replacement); err != nil {
+				return fmt.Errorf("failed to set %q: %v", str, err)
+			}
+		} else {
+			for placeholder, replacement := range replacements {
+				if strings.Contains(str, placeholder) {
+					replacementStr, err := toString(replacement)
+					if err != nil {
+						return fmt.Errorf("invalid replacement for %q: %v", placeholder, err)
+					}
+					newStr := strings.ReplaceAll(str, placeholder, replacementStr)
+					val.SetString(newStr)
+				}
+			}
+		}
+
+	case reflect.Ptr:
+		if !val.IsNil() {
+			elem := val.Elem()
+			if elem.Kind() == reflect.String {
+				str := elem.String()
+				if replacement, exists := replacements[str]; exists {
+					strVal, err := toString(replacement)
+					if err != nil {
+						return fmt.Errorf("cannot convert replacement to string: %v", err)
+					}
+					elem.SetString(strVal)
+				} else {
+					for placeholder, replacement := range replacements {
+						if strings.Contains(str, placeholder) {
+							replacementStr, err := toString(replacement)
+							if err != nil {
+								return fmt.Errorf("invalid replacement for %q: %v", placeholder, err)
+							}
+							newStr := strings.ReplaceAll(str, placeholder, replacementStr)
+							elem.SetString(newStr)
+						}
+					}
+				}
+			} else {
+				return processConfig(elem.Addr().Interface(), replacements)
+			}
+		}
+	}
+	return nil
+}
+
+func setValue(val reflect.Value, replacement any) error {
+	if !val.CanSet() {
+		return fmt.Errorf("value is not settable")
+	}
+
+	replacementVal := reflect.ValueOf(replacement)
+	if replacementVal.Type().AssignableTo(val.Type()) {
+		val.Set(replacementVal)
+		return nil
+	}
+
+	if val.Kind() == reflect.String {
+		str, err := toString(replacement)
+		if err != nil {
+			return fmt.Errorf("cannot convert replacement to string: %v", err)
+		}
+		val.SetString(str)
+		return nil
+	}
+
+	return fmt.Errorf("type mismatch: cannot assign %T to %v", replacement, val.Type())
+}
+
+func toString(v any) (string, error) {
+	switch s := v.(type) {
+	case string:
+		return s, nil
+	case fmt.Stringer:
+		return s.String(), nil
+	default:
+		return fmt.Sprint(v), nil
+	}
+}
+
+func askConfirm(prompt string, defaultYes bool) bool {
+	ctx, _ := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT)
+
+	fmt.Print(prompt)
+	if defaultYes {
+		fmt.Printf(" (%s/%s): ", colors.SetBrightGreen("Y"), colors.SetBrightRed("n"))
+	} else {
+		fmt.Printf(" (%s/%s): ", colors.SetBrightGreen("n"), colors.SetBrightRed("Y"))
+	}
+
+	inputChan := make(chan string, 1)
+
+	go func() {
+		reader := bufio.NewReader(os.Stdin)
+		text, _ := reader.ReadString('\n')
+		inputChan <- text
+	}()
+
+	select {
+	case <-ctx.Done():
+		fmt.Println("")
+		NodeApp.CallFallback(ctx)
+		os.Exit(3)
+	case text := <-inputChan:
+		text = strings.TrimSpace(strings.ToLower(text))
+		if text == "" {
+			return defaultYes
+		}
+		if text == "y" || text == "yes" {
+			return true
+		}
+		return false
+	}
+	return defaultYes
+}

hooks/run.go

@@ -0,0 +1,176 @@
+package hooks
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"log"
+	"log/slog"
+	"net"
+	"net/http"
+	"regexp"
+	"time"
+
+	"github.com/akyaiy/GoSally-mvp/internal/colors"
+	"github.com/akyaiy/GoSally-mvp/internal/core/corestate"
+	"github.com/akyaiy/GoSally-mvp/internal/core/run_manager"
+	"github.com/akyaiy/GoSally-mvp/internal/core/update"
+	"github.com/akyaiy/GoSally-mvp/internal/core/utils"
+	"github.com/akyaiy/GoSally-mvp/internal/engine/app"
+	"github.com/akyaiy/GoSally-mvp/internal/engine/config"
+	"github.com/akyaiy/GoSally-mvp/internal/engine/logs"
+	"github.com/akyaiy/GoSally-mvp/internal/server/gateway"
+	"github.com/akyaiy/GoSally-mvp/internal/server/session"
+	"github.com/akyaiy/GoSally-mvp/internal/server/sv1"
+	"github.com/go-chi/chi/v5"
+	"github.com/go-chi/cors"
+	"github.com/spf13/cobra"
+	"golang.org/x/net/netutil"
+)
+
+var NodeApp = app.New()
+
+func Run(cmd *cobra.Command, args []string) {
+	NodeApp.InitialHooks(
+		InitGlobalLoggerHook, InitCorestateHook, InitConfigLoadHook,
+		InitUUIDHook, InitRuntimeHook, InitRunlockHook,
+		InitConfigReplHook, InitConfigPrintHook, InitSLogHook,
+	)
+
+	NodeApp.Run(RunHook)
+}
+
+func RunHook(ctx context.Context, cs *corestate.CoreState, x *app.AppX) error {
+	ctxMain, cancelMain := context.WithCancel(ctx)
+	runLockFile := run_manager.File("run.lock")
+	_, err := runLockFile.Open()
+	if err != nil {
+		x.Log.Fatalf("cannot open run.lock: %s", err)
+	}
+
+	_, err = runLockFile.Watch(ctxMain, func() {
+		x.Log.Printf("run.lock was touched")
+		_ = run_manager.Clean()
+		cancelMain()
+	})
+	if err != nil {
+		x.Log.Printf("watch error: %s", err)
+	}
+
+	serverv1 := sv1.InitV1Server(&sv1.HandlerV1InitStruct{
+		X:          x,
+		CS:         cs,
+		AllowedCmd: regexp.MustCompile(`^[a-zA-Z0-9]+(>[a-zA-Z0-9]+)*$`),
+		Ver:        "v1",
+	})
+
+	session_manager := session.New(*x.Config.Conf.HTTPServer.SessionTTL)
+
+	s := gateway.InitGateway(&gateway.GatewayServerInit{
+		SM: session_manager,
+		CS: cs,
+		X:  x,
+	}, serverv1)
+
+	r := chi.NewRouter()
+	r.Use(cors.Handler(cors.Options{
+		AllowedOrigins:   []string{"*"},
+		AllowedMethods:   []string{"POST"},
+		AllowedHeaders:   []string{"Accept", "Authorization", "Content-Type", "X-CSRF-Token", "X-Session-UUID"},
+		AllowCredentials: true,
+		MaxAge:           300,
+	}))
+	r.HandleFunc(config.ComDirRoute, s.Handle)
+	r.Route("/favicon.ico", func(r chi.Router) {
+		r.Get("/", func(w http.ResponseWriter, r *http.Request) {
+			w.WriteHeader(http.StatusNoContent)
+		})
+	})
+
+	srv := &http.Server{
+		Addr:    *x.Config.Conf.HTTPServer.Address,
+		Handler: r,
+		ErrorLog: log.New(&logs.SlogWriter{
+			Logger: x.SLog,
+			Level:  slog.LevelError,
+		}, "", 0),
+	}
+
+	NodeApp.Fallback(func(ctx context.Context, cs *corestate.CoreState, x *app.AppX) {
+		if err := srv.Shutdown(ctxMain); err != nil {
+			x.Log.Printf("%s: Failed to stop the server gracefully: %s", colors.PrintError(), err.Error())
+		} else {
+			x.Log.Printf("Server stopped gracefully")
+		}
+
+		x.Log.Println("Cleaning up...")
+
+		if err := run_manager.Clean(); err != nil {
+			x.Log.Printf("%s: Cleanup error: %s", colors.PrintError(), err.Error())
+		}
+		x.Log.Println("bye!")
+	})
+
+	go func() {
+		defer utils.CatchPanicWithCancel(cancelMain)
+		if *x.Config.Conf.TLS.TlsEnabled {
+			listener, err := net.Listen("tcp", fmt.Sprintf("%s:%s", *x.Config.Conf.HTTPServer.Address, *x.Config.Conf.HTTPServer.Port))
+			if err != nil {
+				x.Log.Printf("%s: Failed to start TLS listener: %s", colors.PrintError(), err.Error())
+				cancelMain()
+				return
+			}
+			x.Log.Printf("Serving on %s port %s with TLS... (https://%s%s)", *x.Config.Conf.HTTPServer.Address, *x.Config.Conf.HTTPServer.Port, fmt.Sprintf("%s:%s", *x.Config.Conf.HTTPServer.Address, *x.Config.Conf.HTTPServer.Port), config.ComDirRoute)
+			limitedListener := netutil.LimitListener(listener, 100)
+			if err := srv.ServeTLS(limitedListener, *x.Config.Conf.TLS.CertFile, *x.Config.Conf.TLS.KeyFile); err != nil && !errors.Is(err, http.ErrServerClosed) {
+				x.Log.Printf("%s: Failed to start HTTPS server: %s", colors.PrintError(), err.Error())
+				cancelMain()
+			}
+		} else {
+			x.Log.Printf("Serving on %s port %s... (http://%s%s)", *x.Config.Conf.HTTPServer.Address, *x.Config.Conf.HTTPServer.Port, fmt.Sprintf("%s:%s", *x.Config.Conf.HTTPServer.Address, *x.Config.Conf.HTTPServer.Port), config.ComDirRoute)
+			listener, err := net.Listen("tcp", fmt.Sprintf("%s:%s", *x.Config.Conf.HTTPServer.Address, *x.Config.Conf.HTTPServer.Port))
+			if err != nil {
+				x.Log.Printf("%s: Failed to start listener: %s", colors.PrintError(), err.Error())
+				cancelMain()
+				return
+			}
+			limitedListener := netutil.LimitListener(listener, 100)
+			if err := srv.Serve(limitedListener); err != nil && !errors.Is(err, http.ErrServerClosed) {
+				x.Log.Printf("%s: Failed to start HTTP server: %s", colors.PrintError(), err.Error())
+				cancelMain()
+			}
+		}
+	}()
+
+	session_manager.StartCleanup(5 * time.Second)
+
+	if *x.Config.Conf.Updates.UpdatesEnabled {
+		go func() {
+			defer utils.CatchPanicWithCancel(cancelMain)
+			updated := update.NewUpdater(&update.UpdaterInit{
+				X:      x,
+				Ctx:    ctxMain,
+				Cancel: cancelMain,
+			})
+			updated.Shutdownfunc(cancelMain)
+			for {
+				isNewUpdate, err := updated.CkeckUpdates()
+				if err != nil {
+					x.Log.Printf("Failed to check for updates: %s", err.Error())
+				}
+				if isNewUpdate {
+					if err := updated.Update(); err != nil {
+						x.Log.Printf("Failed to update: %s", err.Error())
+					} else {
+						x.Log.Printf("Update completed successfully")
+					}
+				}
+				time.Sleep(*x.Config.Conf.Updates.CheckInterval)
+			}
+		}()
+	}
+
+	<-ctxMain.Done()
+	NodeApp.CallFallback(ctx)
+	return nil
+}

internal/colors/color.go

@@ -1,4 +1,4 @@
-package logs
+package colors
 
 import "fmt"
 

internal/core/corestate/corestate.go

@@ -1,5 +1,7 @@
 package corestate
 
+var NODE_UUID string
+
 type Stage string
 
 const (

internal/core/corestate/node_uuid.go

@@ -7,8 +7,8 @@ import (
 	"path/filepath"
 	"strings"
 
-	"github.com/akyaiy/GoSally-mvp/core/config"
-	"github.com/akyaiy/GoSally-mvp/core/utils"
+	"github.com/akyaiy/GoSally-mvp/internal/core/utils"
+	"github.com/akyaiy/GoSally-mvp/internal/engine/config"
 )
 
 // GetNodeUUID outputs the correct uuid from the file at the path specified in the arguments.

internal/core/run_manager/run_manager.go

@@ -6,7 +6,7 @@ import (
 	"os"
 	"path/filepath"
 
-	"github.com/akyaiy/GoSally-mvp/core/utils"
+	"github.com/akyaiy/GoSally-mvp/internal/core/utils"
 )
 
 type RunManagerContract interface {

internal/core/update/update.go

@@ -6,7 +6,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"log"
 	"net/http"
 	"os"
 	"path/filepath"
@@ -14,9 +13,10 @@ import (
 	"strings"
 	"syscall"
 
-	"github.com/akyaiy/GoSally-mvp/core/config"
-	"github.com/akyaiy/GoSally-mvp/core/run_manager"
-	"github.com/akyaiy/GoSally-mvp/core/utils"
+	"github.com/akyaiy/GoSally-mvp/internal/core/run_manager"
+	"github.com/akyaiy/GoSally-mvp/internal/core/utils"
+	"github.com/akyaiy/GoSally-mvp/internal/engine/app"
+	"github.com/akyaiy/GoSally-mvp/internal/engine/config"
 	"golang.org/x/net/context"
 )
 
@@ -38,20 +38,23 @@ type UpdaterContract interface {
 }
 
 type Updater struct {
-	log    *log.Logger
-	config *config.Conf
-	env    *config.Env
+	x *app.AppX
 
 	ctx    context.Context
 	cancel context.CancelFunc
 }
 
-func NewUpdater(ctx context.Context, log *log.Logger, cfg *config.Conf, env *config.Env) *Updater {
+type UpdaterInit struct {
+	X      *app.AppX
+	Ctx    context.Context
+	Cancel context.CancelFunc
+}
+
+func NewUpdater(o *UpdaterInit) *Updater {
 	return &Updater{
-		log:    log,
-		config: cfg,
-		env:    env,
-		ctx:    ctx,
+		x:      o.X,
+		ctx:    o.Ctx,
+		cancel: o.Cancel,
 	}
 }
 
@@ -119,7 +122,7 @@ func isVersionNewer(current, latest Version) bool {
 func (u *Updater) GetCurrentVersion() (Version, Branch, error) {
 	version, branch, err := splitVersionString(string(config.NodeVersion))
 	if err != nil {
-		u.log.Printf("Failed to parse version string: %s", err.Error())
+		u.x.Log.Printf("Failed to parse version string: %s", err.Error())
 		return "", "", err
 	}
 	switch branch {
@@ -131,28 +134,28 @@ func (u *Updater) GetCurrentVersion() (Version, Branch, error) {
 }
 
 func (u *Updater) GetLatestVersion(updateBranch Branch) (Version, Branch, error) {
-	repoURL := u.config.Updates.RepositoryURL
+	repoURL := *u.x.Config.Conf.Updates.RepositoryURL
 	if repoURL == "" {
-		u.log.Printf("Failed to get latest version: %s", "RepositoryURL is empty in config")
+		u.x.Log.Printf("Failed to get latest version: %s", "RepositoryURL is empty in config")
 		return "", "", errors.New("repository URL is empty")
 	}
 	if !strings.HasPrefix(repoURL, "http://") && !strings.HasPrefix(repoURL, "https://") {
-		u.log.Printf("Failed to get latest version: %s: %s", "RepositoryURL does not start with http:// or https:/", repoURL)
+		u.x.Log.Printf("Failed to get latest version: %s: %s", "RepositoryURL does not start with http:// or https:/", repoURL)
 		return "", "", errors.New("repository URL must start with http:// or https://")
 	}
 	response, err := http.Get(repoURL + "/" + config.ActualFileName)
 	if err != nil {
-		u.log.Printf("Failed to fetch latest version: %s", err.Error())
+		u.x.Log.Printf("Failed to fetch latest version: %s", err.Error())
 		return "", "", err
 	}
 	defer response.Body.Close()
 	if response.StatusCode != http.StatusOK {
-		u.log.Printf("Failed to fetch latest version: HTTP status %d", response.StatusCode)
+		u.x.Log.Printf("Failed to fetch latest version: HTTP status %d", response.StatusCode)
 		return "", "", errors.New("failed to fetch latest version, status code: " + http.StatusText(response.StatusCode))
 	}
 	data, err := io.ReadAll(response.Body)
 	if err != nil {
-		u.log.Printf("Failed to read latest version response: %s", err.Error())
+		u.x.Log.Printf("Failed to read latest version response: %s", err.Error())
 		return "", "", err
 	}
 	lines := strings.Split(string(data), "\n")
@@ -163,7 +166,7 @@ func (u *Updater) GetLatestVersion(updateBranch Branch) (Version, Branch, error)
 		}
 		version, branch, err := splitVersionString(string(line))
 		if err != nil {
-			u.log.Printf("Failed to parse version string: %s", err.Error())
+			u.x.Log.Printf("Failed to parse version string: %s", err.Error())
 			return "", "", err
 		}
 		if branch == updateBranch {
@@ -189,7 +192,7 @@ func (u *Updater) CkeckUpdates() (IsNewUpdate, error) {
 }
 
 func (u *Updater) Update() error {
-	if !u.config.Updates.UpdatesEnabled {
+	if !*u.x.Config.Conf.Updates.UpdatesEnabled {
 		return errors.New("updates are disabled in config, skipping update")
 	}
 
@@ -209,7 +212,7 @@ func (u *Updater) Update() error {
 	}
 
 	updateArchiveName := fmt.Sprintf("%s.v%s-%s", config.UpdateArchiveName, latestVersion, latestBranch)
-	updateDest := fmt.Sprintf("%s/%s.%s", u.config.Updates.RepositoryURL, updateArchiveName, "tar.gz")
+	updateDest := fmt.Sprintf("%s/%s.%s", *u.x.Config.Conf.Updates.RepositoryURL, updateArchiveName, "tar.gz")
 
 	resp, err := http.Get(updateDest)
 	if err != nil {
@@ -275,7 +278,7 @@ func (u *Updater) Update() error {
 
 func (u *Updater) InstallAndRestart() error {
 
-	nodePath := u.env.NodePath
+	nodePath := *u.x.Config.Env.NodePath
 	if nodePath == "" {
 		return errors.New("GS_NODE_PATH environment variable is not set")
 	}
@@ -303,12 +306,7 @@ func (u *Updater) InstallAndRestart() error {
 		return fmt.Errorf("failed to chmod: %w", err)
 	}
 
-	u.log.Printf("Launching new version: path is %s", targetPath)
-	// cmd := exec.Command(targetPath, os.Args[1:]...)
-	// cmd.Env = os.Environ()
-	// cmd.Stdout = os.Stdout
-	// cmd.Stderr = os.Stderr
-	// cmd.Stdin = os.Stdin
+	u.x.Log.Printf("Launching new version: path is %s", targetPath)
 	args := os.Args
 	args[0] = targetPath
 	env := utils.SetEviron(os.Environ(), "GS_PARENT_PID=-1")
@@ -317,17 +315,6 @@ func (u *Updater) InstallAndRestart() error {
 		return err
 	}
 	return syscall.Exec(targetPath, args, env)
-	//u.cancel()
-
-	// TODO: fix this crap and find a better way to update without errors
-	// for {
-	// 	_, err := run_manager.Get("run.lock")
-	// 	if err != nil {
-	// 		break
-	// 	}
-	// }
-
-	// return cmd.Start()
 }
 
 func (u *Updater) Shutdownfunc(f context.CancelFunc) {

internal/core/utils/panic.go

@@ -0,0 +1,34 @@
+package utils
+
+import (
+	"log"
+	"runtime"
+
+	"golang.org/x/net/context"
+)
+
+func CatchPanic() {
+	if err := recover(); err != nil {
+		stack := make([]byte, 8096)
+		stack = stack[:runtime.Stack(stack, false)]
+		log.Printf("recovered panic:\n%s", stack)
+	}
+}
+
+func CatchPanicWithCancel(cancel context.CancelFunc) {
+	if err := recover(); err != nil {
+		stack := make([]byte, 8096)
+		stack = stack[:runtime.Stack(stack, false)]
+		log.Printf("recovered panic:\n%s", stack)
+		cancel()
+	}
+}
+
+func CatchPanicWithFallback(onPanic func(any)) {
+	if err := recover(); err != nil {
+		stack := make([]byte, 8096)
+		stack = stack[:runtime.Stack(stack, false)]
+		log.Printf("recovered panic:\n%s", stack)
+		onPanic(err)
+	}
+}

internal/core/utils/safe_fetch.go

@@ -0,0 +1,9 @@
+package utils
+
+// SafeFetch safely fetches data. If v = nil, a fallback value is returned.
+func SafeFetch[T any](v *T, fallback T) T {
+	if v == nil {
+		return fallback
+	}
+	return *v
+}

internal/core/utils/uuid.go

@@ -5,7 +5,7 @@ import (
 	"encoding/hex"
 	"errors"
 
-	"github.com/akyaiy/GoSally-mvp/core/config"
+	"github.com/akyaiy/GoSally-mvp/internal/engine/config"
 )
 
 func NewUUIDRaw(length int) ([]byte, error) {

internal/engine/app/app.go

@@ -0,0 +1,95 @@
+package app
+
+import (
+	"context"
+	"log"
+	"log/slog"
+	"os"
+	"os/signal"
+	"sync"
+	"syscall"
+
+	"github.com/akyaiy/GoSally-mvp/internal/core/corestate"
+	"github.com/akyaiy/GoSally-mvp/internal/engine/config"
+)
+
+type AppContract interface {
+	InitialHooks(fn ...func(ctx context.Context, cs *corestate.CoreState, x *AppX))
+	Run(fn func(ctx context.Context, cs *corestate.CoreState, x *AppX) error)
+	Fallback(fn func(ctx context.Context, cs *corestate.CoreState, x *AppX))
+
+	CallFallback(ctx context.Context)
+}
+
+type App struct {
+	initHooks []func(ctx context.Context, cs *corestate.CoreState, x *AppX)
+	runHook   func(ctx context.Context, cs *corestate.CoreState, x *AppX) error
+	fallback  func(ctx context.Context, cs *corestate.CoreState, x *AppX)
+
+	Corestate *corestate.CoreState
+	AppX      *AppX
+
+	fallbackOnce sync.Once
+}
+
+type AppX struct {
+	Config *config.Compositor
+	Log    *log.Logger
+	SLog   *slog.Logger
+}
+
+func New() AppContract {
+	return &App{
+		AppX: &AppX{
+			Log: log.Default(),
+		},
+		Corestate: &corestate.CoreState{},
+	}
+}
+
+func (a *App) InitialHooks(fn ...func(ctx context.Context, cs *corestate.CoreState, x *AppX)) {
+	a.initHooks = append(a.initHooks, fn...)
+}
+
+func (a *App) Fallback(fn func(ctx context.Context, cs *corestate.CoreState, x *AppX)) {
+	a.fallback = fn
+}
+
+func (a *App) Run(fn func(ctx context.Context, cs *corestate.CoreState, x *AppX) error) {
+	a.runHook = fn
+
+	ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT)
+	defer stop()
+
+	for _, hook := range a.initHooks {
+		hook(ctx, a.Corestate, a.AppX)
+	}
+
+	defer func() {
+		if r := recover(); r != nil {
+			a.AppX.Log.Printf("PANIC recovered: %v", r)
+			if a.fallback != nil {
+				a.fallback(ctx, a.Corestate, a.AppX)
+			}
+			os.Exit(1)
+		}
+	}()
+
+	var runErr error
+	if a.runHook != nil {
+		runErr = a.runHook(ctx, a.Corestate, a.AppX)
+	}
+
+	if runErr != nil {
+		a.AppX.Log.Fatalf("fatal in Run: %v", runErr)
+	}
+}
+
+func (a *App) CallFallback(ctx context.Context) {
+	a.fallbackOnce.Do(func() {
+		if a.fallback != nil {
+			a.fallback(ctx, a.Corestate, a.AppX)
+		}
+		os.Exit(0)
+	})
+}

internal/engine/config/compositor.go

@@ -43,10 +43,13 @@ func (c *Compositor) LoadConf(path string) error {
 	v.SetConfigType("yaml")
 
 	// defaults
-	v.SetDefault("mode", "dev")
-	v.SetDefault("com_dir", "./com/")
+	v.SetDefault("node.name", "noname")
+	v.SetDefault("node.mode", "dev")
+	v.SetDefault("node.show_config", "false")
+	v.SetDefault("node.com_dir", "./com/")
 	v.SetDefault("http_server.address", "0.0.0.0")
 	v.SetDefault("http_server.port", "8080")
+	v.SetDefault("http_server.session_ttl", "30m")
 	v.SetDefault("http_server.timeout", "5s")
 	v.SetDefault("http_server.idle_timeout", "60s")
 	v.SetDefault("tls.enabled", false)
@@ -55,8 +58,9 @@ func (c *Compositor) LoadConf(path string) error {
 	v.SetDefault("updates.enabled", false)
 	v.SetDefault("updates.check_interval", "2h")
 	v.SetDefault("updates.wanted_version", "latest-stable")
+	v.SetDefault("log.json_format", "false")
 	v.SetDefault("log.level", "info")
-	v.SetDefault("log.out_path", "")
+	v.SetDefault("log.output", "%2%")
 
 	if err := v.ReadInConfig(); err != nil {
 		return fmt.Errorf("error reading config: %w", err)

internal/engine/config/config.go

@@ -0,0 +1,82 @@
+// Package config provides configuration management for the application.
+// config is built on top of the third-party module cleanenv
+package config
+
+import (
+	"time"
+)
+
+type CompositorContract interface {
+	LoadEnv() error
+	LoadConf(path string) error
+}
+
+type Compositor struct {
+	CMDLine *CMDLine
+	Conf    *Conf
+	Env     *Env
+}
+
+type Conf struct {
+	Node            *Node       `mapstructure:"node"`
+	HTTPServer      *HTTPServer `mapstructure:"http_server"`
+	TLS             *TLS        `mapstructure:"tls"`
+	Updates         *Updates    `mapstructure:"updates"`
+	Log             *Log        `mapstructure:"log"`
+	DisableWarnings *[]string   `mapstructure:"disable_warnings"`
+}
+
+type Node struct {
+	Mode       *string `mapstructure:"mode"`
+	Name       *string `mapstructure:"name"`
+	ShowConfig *bool   `mapstructure:"show_config"`
+	ComDir     *string `mapstructure:"com_dir"`
+}
+
+type HTTPServer struct {
+	Address     *string        `mapstructure:"address"`
+	Port        *string        `mapstructure:"port"`
+	SessionTTL  *time.Duration `mapstructure:"session_ttl"`
+	Timeout     *time.Duration `mapstructure:"timeout"`
+	IdleTimeout *time.Duration `mapstructure:"idle_timeout"`
+}
+
+type TLS struct {
+	TlsEnabled *bool   `mapstructure:"enabled"`
+	CertFile   *string `mapstructure:"cert_file"`
+	KeyFile    *string `mapstructure:"key_file"`
+}
+
+type Updates struct {
+	UpdatesEnabled *bool          `mapstructure:"enabled"`
+	CheckInterval  *time.Duration `mapstructure:"check_interval"`
+	RepositoryURL  *string        `mapstructure:"repository_url"`
+	WantedVersion  *string        `mapstructure:"wanted_version"`
+}
+
+type Log struct {
+	JSON    *bool   `mapstructure:"json_format"`
+	Level   *string `mapstructure:"level"`
+	OutPath *string `mapstructure:"output"`
+}
+
+// ConfigEnv structure for environment variables
+type Env struct {
+	ConfigPath     *string `mapstructure:"config_path"`
+	NodePath       *string `mapstructure:"node_path"`
+	ParentStagePID *int    `mapstructure:"parent_pid"`
+}
+
+type CMDLine struct {
+	Run  Run
+	Node Root
+}
+
+type Root struct {
+	Debug bool `persistent:"true" full:"debug" short:"d" def:"false" desc:"Set debug mode"`
+}
+
+type Run struct {
+	ConfigPath string `persistent:"true" full:"config" short:"c" def:"./config.yaml" desc:"Path to configuration file"`
+	Test       []int  `persistent:"true" full:"test" short:"t" def:"" desc:"js test"`
+}

internal/engine/config/consts.go

@@ -2,6 +2,8 @@ package config
 
 import "os"
 
+// TODO: Need to make a more harmonious and understandable way of storing global variables
+
 // UUIDLength is uuids length for sessions. By default it is 16 bytes.
 var UUIDLength int = 16
 

internal/engine/config/print.go

@@ -0,0 +1,72 @@
+package config
+
+import (
+	"fmt"
+	"reflect"
+	"time"
+
+	"github.com/akyaiy/GoSally-mvp/internal/colors"
+)
+
+func (c *Compositor) Print(v any) {
+	c.printConfig(v, "  ")
+}
+
+func (c *Compositor) printConfig(v any, prefix string) {
+	val := reflect.ValueOf(v)
+	if val.Kind() == reflect.Ptr {
+		val = val.Elem()
+	}
+
+	typ := val.Type()
+
+	for i := 0; i < val.NumField(); i++ {
+		field := val.Field(i)
+		fieldType := typ.Field(i)
+
+		fieldName := fieldType.Name
+		if tag, ok := fieldType.Tag.Lookup("mapstructure"); ok {
+			if tag != "" {
+				fieldName = tag
+			}
+		}
+
+		coloredFieldName := colors.SetBrightCyan(fieldName)
+
+		if field.Kind() == reflect.Ptr {
+			if field.IsNil() {
+				fmt.Printf("%s%s: %s\n", prefix, coloredFieldName, colors.SetBrightRed("<nil>"))
+				continue
+			}
+			field = field.Elem()
+		}
+
+		if field.Kind() == reflect.Struct {
+			if field.Type() == reflect.TypeOf(time.Duration(0)) {
+				duration := field.Interface().(time.Duration)
+				fmt.Printf("%s%s: %s\n",
+					prefix,
+					coloredFieldName,
+					colors.SetBrightYellow(duration.String()))
+			} else {
+				fmt.Printf("%s%s:\n", prefix, coloredFieldName)
+				c.printConfig(field.Addr().Interface(), prefix+"  ")
+			}
+		} else if field.Kind() == reflect.Slice {
+			fmt.Printf("%s%s: %s\n",
+				prefix,
+				coloredFieldName,
+				colors.SetBrightYellow(fmt.Sprintf("%v", field.Interface())))
+		} else {
+			value := field.Interface()
+			valueStr := fmt.Sprintf("%v", value)
+			if field.Kind() == reflect.String {
+				valueStr = fmt.Sprintf("\"%s\"", value)
+			}
+			fmt.Printf("%s%s: %s\n",
+				prefix,
+				coloredFieldName,
+				colors.SetBrightYellow(valueStr))
+		}
+	}
+}

internal/engine/logs/logger.go

@@ -10,16 +10,25 @@ import (
 	"log/slog"
 	"os"
 	"path/filepath"
-	"regexp"
-	"strings"
 
-	"github.com/akyaiy/GoSally-mvp/core/config"
-	"github.com/akyaiy/GoSally-mvp/core/run_manager"
+	"github.com/akyaiy/GoSally-mvp/internal/engine/config"
 	"gopkg.in/natefinch/lumberjack.v2"
 )
 
 var GlobalLevel slog.Level
 
+type levelsStruct struct {
+	Available []string
+	Fallback  string
+}
+
+var Levels = levelsStruct{
+	Available: []string{
+		"debug", "info",
+	},
+	Fallback: "info",
+}
+
 type SlogWriter struct {
 	Logger *slog.Logger
 	Level  slog.Level
@@ -32,11 +41,11 @@ func (w *SlogWriter) Write(p []byte) (n int, err error) {
 }
 
 // SetupLogger initializes and returns a logger based on the provided environment.
-func SetupLogger(o config.Log) (*slog.Logger, error) {
+func SetupLogger(o *config.Log) (*slog.Logger, error) {
 	var handlerOpts = slog.HandlerOptions{}
 	var writer io.Writer = os.Stdout
 
-	switch o.Level {
+	switch *o.Level {
 	case "debug":
 		GlobalLevel = slog.LevelDebug
 		handlerOpts.Level = slog.LevelDebug
@@ -48,32 +57,14 @@ func SetupLogger(o config.Log) (*slog.Logger, error) {
 		handlerOpts.Level = slog.LevelInfo
 	}
 
-	if o.OutPath != "" {
-		repl := map[string]string{
-			"tmp": filepath.Clean(run_manager.RuntimeDir()),
-		}
-		re := regexp.MustCompile(`%(\w+)%`)
-		result := re.ReplaceAllStringFunc(o.OutPath, func(match string) string {
-			sub := re.FindStringSubmatch(match)
-			if len(sub) < 2 {
-				return match
-			}
-			key := sub[1]
-			if val, ok := repl[key]; ok {
-				return val
-			}
-			return match
-		})
-
-		if strings.Contains(o.OutPath, "%tmp%") {
-			relPath := strings.TrimPrefix(result, filepath.Clean(run_manager.RuntimeDir()))
-			if err := run_manager.SetDir(relPath); err != nil {
-				return nil, err
-			}
-		}
-
+	switch *o.OutPath {
+	case "_1STDout":
+		writer = os.Stdout
+	case "_2STDerr":
+		writer = os.Stderr
+	default:
 		logFile := &lumberjack.Logger{
-			Filename:   filepath.Join(result, "event.log"),
+			Filename:   filepath.Join(*o.OutPath, "event.log"),
 			MaxSize:    10,
 			MaxBackups: 5,
 			MaxAge:     28,
@@ -82,6 +73,13 @@ func SetupLogger(o config.Log) (*slog.Logger, error) {
 		writer = logFile
 	}
 
-	log := slog.New(slog.NewJSONHandler(writer, &handlerOpts))
+	var handler slog.Handler
+
+	if *o.JSON {
+		handler = slog.NewJSONHandler(writer, &handlerOpts)
+	} else {
+		handler = slog.NewTextHandler(writer, &handlerOpts)
+	}
+	log := slog.New(handler)
 	return log, nil
 }

internal/engine/lua/handler.go

@@ -0,0 +1 @@
+package lua

internal/engine/lua/pool.go

@@ -0,0 +1,35 @@
+package lua
+
+import (
+	"sync"
+
+	lua "github.com/yuin/gopher-lua"
+)
+
+type LuaPool struct {
+	pool sync.Pool
+}
+
+func NewLuaPool() *LuaPool {
+	return &LuaPool{
+		pool: sync.Pool{
+			New: func() any {
+				L := lua.NewState()
+				
+				return L
+			},
+		},
+	}
+}
+
+func (lp *LuaPool) Get() *lua.LState {
+	return lp.pool.Get().(*lua.LState)
+}
+
+func (lp *LuaPool) Put(L *lua.LState) {
+	L.Close()
+
+	newL := lua.NewState()
+	
+	lp.pool.Put(newL)
+}

internal/engine/lua/types.go

@@ -0,0 +1,26 @@
+package lua
+
+import (
+	"net/http"
+
+	"github.com/akyaiy/GoSally-mvp/internal/core/corestate"
+	"github.com/akyaiy/GoSally-mvp/internal/engine/app"
+	"github.com/akyaiy/GoSally-mvp/internal/server/rpc"
+)
+
+type LuaEngineDeps struct {
+	HttpRequest    *http.Request
+	JSONRPCRequest *rpc.RPCRequest
+	SessionUUID string
+	ScriptPath string
+}
+
+type LuaEngineContract interface {
+	Handle(deps *LuaEngineDeps) *rpc.RPCResponse
+	
+}
+
+type LuaEngine struct {
+	x  *app.AppX
+	cs *corestate.CoreState
+}

internal/server/gateway/general_types.go

@@ -0,0 +1,30 @@
+package gateway
+
+import (
+	"context"
+	"net/http"
+
+	"github.com/akyaiy/GoSally-mvp/internal/core/corestate"
+	"github.com/akyaiy/GoSally-mvp/internal/engine/app"
+	"github.com/akyaiy/GoSally-mvp/internal/server/rpc"
+	"github.com/akyaiy/GoSally-mvp/internal/server/session"
+)
+
+// serversApiVer is a type alias for string, used to represent API version strings in the GeneralServer.
+type serversApiVer string
+
+type ServerApiContract interface {
+	GetVersion() string
+	Handle(ctx context.Context, sid string, r *http.Request, req *rpc.RPCRequest) *rpc.RPCResponse
+}
+
+// GeneralServer implements the GeneralServerApiContract and serves as a router for different API versions.
+type GatewayServer struct {
+	// servers holds the registered servers by their API version.
+	// The key is the version string, and the value is the server implementing GeneralServerApi
+	servers map[serversApiVer]ServerApiContract
+
+	sm *session.SessionManager
+	cs *corestate.CoreState
+	x  *app.AppX
+}

internal/server/gateway/init.go

@@ -0,0 +1,47 @@
+package gateway
+
+import (
+	"errors"
+
+	"github.com/akyaiy/GoSally-mvp/internal/core/corestate"
+	"github.com/akyaiy/GoSally-mvp/internal/engine/app"
+	"github.com/akyaiy/GoSally-mvp/internal/server/session"
+)
+
+// GeneralServerInit structure only for initialization general server.
+type GatewayServerInit struct {
+	SM *session.SessionManager
+	CS *corestate.CoreState
+	X  *app.AppX
+}
+
+// InitGeneral initializes a new GeneralServer with the provided configuration and registered servers.
+func InitGateway(o *GatewayServerInit, servers ...ServerApiContract) *GatewayServer {
+	general := &GatewayServer{
+		servers: make(map[serversApiVer]ServerApiContract),
+		sm:      o.SM,
+		cs:      o.CS,
+		x:       o.X,
+	}
+
+	// register the provided servers
+	// s is each server implementing GeneralServerApiContract, this is not a general server
+	for _, s := range servers {
+		general.servers[serversApiVer(s.GetVersion())] = s
+	}
+	return general
+}
+
+// GetVersion returns the API version of the GeneralServer, which is "general".
+func (s *GatewayServer) GetVersion() string {
+	return "general"
+}
+
+// AppendToArray adds a new server to the GeneralServer's internal map.
+func (s *GatewayServer) AppendToArray(server ServerApiContract) error {
+	if _, exist := s.servers[serversApiVer(server.GetVersion())]; !exist {
+		s.servers[serversApiVer(server.GetVersion())] = server
+		return nil
+	}
+	return errors.New("server with this version is already exist")
+}

internal/server/gateway/route.go

@@ -0,0 +1,114 @@
+package gateway
+
+import (
+	"context"
+	"encoding/json"
+	"io"
+	"log/slog"
+	"net/http"
+	"sync"
+
+	"github.com/akyaiy/GoSally-mvp/internal/core/utils"
+	"github.com/akyaiy/GoSally-mvp/internal/server/rpc"
+	"github.com/google/uuid"
+)
+
+func (gs *GatewayServer) Handle(w http.ResponseWriter, r *http.Request) {
+	ctx := r.Context() // TODO
+
+	w.Header().Set("Content-Type", "application/json")
+	sessionUUID := r.Header.Get("X-Session-UUID")
+	if sessionUUID == "" {
+		sessionUUID = uuid.New().String()
+
+	}
+	gs.x.SLog.Debug("new request", slog.String("session-uuid", sessionUUID), slog.Group("connection", slog.String("ip", r.RemoteAddr)))
+
+	w.Header().Set("X-Session-UUID", sessionUUID)
+	if !gs.sm.Add(sessionUUID) {
+		gs.x.SLog.Debug("session is busy", slog.String("session-uuid", sessionUUID))
+		rpc.WriteError(w, rpc.NewError(rpc.ErrSessionIsBusy, rpc.ErrSessionIsBusyS, nil, nil))
+		return
+	}
+	defer gs.sm.Delete(sessionUUID)
+
+	body, err := io.ReadAll(r.Body)
+	if err != nil {
+		gs.x.SLog.Debug("failed to read body", slog.String("err", err.Error()))
+		w.WriteHeader(http.StatusBadRequest)
+		rpc.WriteError(w, rpc.NewError(rpc.ErrInternalError, rpc.ErrInternalErrorS, nil, nil))
+		gs.x.SLog.Info("invalid request received", slog.String("issue", rpc.ErrInternalErrorS))
+		return
+	}
+
+	// determine if the JSON-RPC request is a batch
+	var batch []rpc.RPCRequest
+	json.Unmarshal(body, &batch)
+	var single rpc.RPCRequest
+	if batch == nil {
+		if err := json.Unmarshal(body, &single); err != nil {
+			gs.x.SLog.Debug("failed to parse json", slog.String("err", err.Error()))
+			w.WriteHeader(http.StatusBadRequest)
+			rpc.WriteError(w, rpc.NewError(rpc.ErrParseError, rpc.ErrParseErrorS, nil, nil))
+			gs.x.SLog.Info("invalid request received", slog.String("issue", rpc.ErrParseErrorS))
+			return
+		}
+		resp := gs.Route(ctx, sessionUUID, r, &single)
+		if resp == nil {
+			w.Write([]byte(""))
+			return
+		}
+		rpc.WriteResponse(w, resp)
+		return
+	}
+
+	// handle batch
+	responses := make(chan rpc.RPCResponse, len(batch))
+	var wg sync.WaitGroup
+	for _, m := range batch {
+		wg.Add(1)
+		go func(req rpc.RPCRequest) {
+			defer wg.Done()
+			res := gs.Route(ctx, sessionUUID, r, &req)
+			if res != nil {
+				responses <- *res
+			}
+		}(m)
+	}
+	wg.Wait()
+	close(responses)
+
+	var result []rpc.RPCResponse
+	for res := range responses {
+		result = append(result, res)
+	}
+	if len(result) > 0 {
+		json.NewEncoder(w).Encode(result)
+	} else {
+		w.Write([]byte("[]"))
+	}
+}
+
+func (gs *GatewayServer) Route(ctx context.Context, sid string, r *http.Request, req *rpc.RPCRequest) (resp *rpc.RPCResponse) {
+	defer utils.CatchPanicWithFallback(func(rec any) {
+		gs.x.SLog.Error("panic caught in handler", slog.Any("error", rec))
+		resp = rpc.NewError(rpc.ErrInternalError, "Internal server error (panic)", nil, req.ID)
+	})
+	if req.JSONRPC != rpc.JSONRPCVersion {
+		gs.x.SLog.Info("invalid request received", slog.String("issue", rpc.ErrInvalidRequestS), slog.String("requested-version", req.JSONRPC))
+		return rpc.NewError(rpc.ErrInvalidRequest, rpc.ErrInvalidRequestS, nil, req.ID)
+	}
+
+	server, ok := gs.servers[serversApiVer(req.ContextVersion)]
+	if !ok {
+		gs.x.SLog.Info("invalid request received", slog.String("issue", rpc.ErrContextVersionS), slog.String("requested-version", req.ContextVersion))
+		return rpc.NewError(rpc.ErrContextVersion, rpc.ErrContextVersionS, nil, req.ID)
+	}
+
+	// checks if request is notification
+	if req.ID == nil {
+		go server.Handle(ctx, sid, r, req)
+		return nil
+	}
+	return server.Handle(ctx, sid, r, req)
+}

internal/server/rpc/definition.go

@@ -0,0 +1,30 @@
+package rpc
+
+import "encoding/json"
+
+type RPCRequest struct {
+	JSONRPC        string           `json:"jsonrpc"`
+	ID             *json.RawMessage `json:"id,omitempty"`
+	Method         string           `json:"method"`
+	Params         any              `json:"params,omitempty"`
+	ContextVersion string           `json:"context-version,omitempty"`
+}
+
+type RPCResponse struct {
+	JSONRPC string           `json:"jsonrpc"`
+	ID      *json.RawMessage `json:"id"`
+	Result  any              `json:"result,omitzero"`
+	Error   any              `json:"error,omitzero"`
+	Data    *RPCData         `json:"data,omitzero"`
+}
+
+type RPCData struct {
+	ResponsibleNode string `json:"responsible-node,omitempty"`
+	Salt            string `json:"salt,omitempty"`
+	Checksum        string `json:"checksum-md5,omitempty"`
+	NewSessionUUID  string `json:"new-session-uuid,omitempty"`
+}
+
+const (
+	JSONRPCVersion = "2.0"
+)

internal/server/rpc/errors.go

@@ -0,0 +1,30 @@
+package rpc
+
+const (
+	ErrParseError  = -32700
+	ErrParseErrorS = "Parse error"
+
+	ErrInvalidRequest  = -32600
+	ErrInvalidRequestS = "Invalid Request"
+
+	ErrMethodNotFound  = -32601
+	ErrMethodNotFoundS = "Method not found"
+
+	ErrInvalidParams  = -32602
+	ErrInvalidParamsS = "Invalid params"
+
+	ErrInternalError  = -32603
+	ErrInternalErrorS = "Internal error"
+
+	ErrContextVersion  = -32010
+	ErrContextVersionS = "Invalid context version"
+
+	ErrInvalidMethodFormat  = -32020
+	ErrInvalidMethodFormatS = "Invalid method format"
+
+	ErrMethodIsMissing  = -32020
+	ErrMethodIsMissingS = "Method is missing"
+
+	ErrSessionIsBusy  = -32030
+	ErrSessionIsBusyS = "The session is busy"
+)

internal/server/rpc/responsers.go

@@ -0,0 +1,58 @@
+package rpc
+
+import (
+	"crypto/md5"
+	"encoding/json"
+	"fmt"
+
+	"github.com/akyaiy/GoSally-mvp/internal/core/corestate"
+	"github.com/google/uuid"
+)
+
+func generateChecksum(result any) string {
+	if result == nil {
+		return ""
+	}
+	data, err := json.Marshal(result)
+	if err != nil {
+		return ""
+	}
+	return fmt.Sprintf("%x", md5.Sum(data))
+}
+
+func generateSalt() string {
+	return uuid.NewString()
+}
+
+func GetData(data any) *RPCData {
+	return &RPCData{
+		Salt:            generateSalt(),
+		ResponsibleNode: corestate.NODE_UUID,
+		Checksum:        generateChecksum(data),
+	}
+}
+
+func NewError(code int, message string, data any, id *json.RawMessage) *RPCResponse {
+	Error := make(map[string]any)
+	Error = map[string]any{
+		"code":    code,
+		"message": message,
+		"data":    data,
+	}
+
+	return &RPCResponse{
+		JSONRPC: JSONRPCVersion,
+		ID:      id,
+		Error:   Error,
+		Data:    GetData(Error),
+	}
+}
+
+func NewResponse(result any, id *json.RawMessage) *RPCResponse {
+	return &RPCResponse{
+		JSONRPC: JSONRPCVersion,
+		ID:      id,
+		Result:  result,
+		Data:    GetData(result),
+	}
+}

internal/server/rpc/writers.go

@@ -0,0 +1,23 @@
+package rpc
+
+import (
+	"encoding/json"
+	"net/http"
+)
+
+func write(w http.ResponseWriter, msg *RPCResponse) error {
+	data, err := json.Marshal(msg)
+	if err != nil {
+		return err
+	}
+	_, err = w.Write(data)
+	return err
+}
+
+func WriteError(w http.ResponseWriter, errm *RPCResponse) error {
+	return write(w, errm)
+}
+
+func WriteResponse(w http.ResponseWriter, response *RPCResponse) error {
+	return write(w, response)
+}

internal/server/session/manager.go

@@ -0,0 +1,47 @@
+package session
+
+import (
+	"sync"
+	"time"
+)
+
+type SessionManagerContract interface {
+	Add(uuid string) bool
+	Delete(uuid string)
+	StartCleanup(interval time.Duration)
+}
+
+type SessionManager struct {
+	sessions sync.Map
+	ttl      time.Duration
+}
+
+func New(ttl time.Duration) *SessionManager {
+	return &SessionManager{
+		ttl: ttl,
+	}
+}
+
+func (sm *SessionManager) Add(uuid string) bool {
+	_, loaded := sm.sessions.LoadOrStore(uuid, time.Now().Add(sm.ttl))
+	return !loaded
+}
+
+func (sm *SessionManager) Delete(uuid string) {
+	sm.sessions.Delete(uuid)
+}
+
+func (sm *SessionManager) StartCleanup(interval time.Duration) {
+	go func() {
+		ticker := time.NewTicker(interval)
+		for range ticker.C {
+			sm.sessions.Range(func(key, value any) bool {
+				expiry := value.(time.Time)
+				if time.Now().After(expiry) {
+					sm.sessions.Delete(key)
+				}
+				return true
+			})
+		}
+	}()
+}

internal/server/sv1/db_sqlite.go

@@ -0,0 +1,415 @@
+package sv1
+
+import (
+	"database/sql"
+	"fmt"
+	"log/slog"
+	"sync"
+
+	lua "github.com/yuin/gopher-lua"
+)
+
+type DBConnection struct {
+	dbPath    string
+	log       bool
+	logger    *slog.Logger
+	writeChan chan *dbWriteRequest
+	closeChan chan struct{}
+}
+
+type dbWriteRequest struct {
+	query string
+	args  []interface{}
+	resCh chan *dbWriteResult
+}
+
+type dbWriteResult struct {
+	rowsAffected int64
+	err          error
+}
+
+var dbMutexMap = make(map[string]*sync.RWMutex)
+var dbGlobalMutex sync.Mutex
+
+func getDBMutex(dbPath string) *sync.RWMutex {
+	dbGlobalMutex.Lock()
+	defer dbGlobalMutex.Unlock()
+
+	if mtx, ok := dbMutexMap[dbPath]; ok {
+		return mtx
+	}
+
+	mtx := &sync.RWMutex{}
+	dbMutexMap[dbPath] = mtx
+	return mtx
+}
+
+func loadDBMod(llog *slog.Logger, sid string) func(*lua.LState) int {
+	return func(L *lua.LState) int {
+		llog.Debug("import module db-sqlite")
+		dbMod := L.NewTable()
+
+		L.SetField(dbMod, "connect", L.NewFunction(func(L *lua.LState) int {
+			dbPath := L.CheckString(1)
+
+			logQueries := false
+			if L.GetTop() >= 2 {
+				opts := L.CheckTable(2)
+				if val := opts.RawGetString("log"); val != lua.LNil {
+					logQueries = lua.LVAsBool(val)
+				}
+			}
+
+			conn := &DBConnection{
+				dbPath:    dbPath,
+				log:       logQueries,
+				logger:    llog,
+				writeChan: make(chan *dbWriteRequest, 100),
+				closeChan: make(chan struct{}),
+			}
+
+			go conn.processWrites()
+
+			ud := L.NewUserData()
+			ud.Value = conn
+			L.SetMetatable(ud, L.GetTypeMetatable("gosally_db"))
+
+			L.Push(ud)
+			return 1
+		}))
+
+		mt := L.NewTypeMetatable("gosally_db")
+		L.SetField(mt, "__index", L.SetFuncs(L.NewTable(), map[string]lua.LGFunction{
+			"exec":  dbExec,
+			"query": dbQuery,
+			"query_row": dbQueryRow,
+			"close": dbClose,
+		}))
+
+		L.SetField(dbMod, "__seed", lua.LString(sid))
+		L.Push(dbMod)
+		return 1
+	}
+}
+
+func (conn *DBConnection) processWrites() {
+	for {
+		select {
+		case req := <-conn.writeChan:
+			mtx := getDBMutex(conn.dbPath)
+			mtx.Lock()
+
+			db, err := sql.Open("sqlite", conn.dbPath+"?_busy_timeout=5000&_journal_mode=WAL&_sync=NORMAL&_cache_size=-10000")
+			if err == nil {
+				_, err = db.Exec("PRAGMA journal_mode=WAL;")
+				if err == nil {
+					res, execErr := db.Exec(req.query, req.args...)
+					if execErr == nil {
+						rows, _ := res.RowsAffected()
+						req.resCh <- &dbWriteResult{rowsAffected: rows}
+					} else {
+						req.resCh <- &dbWriteResult{err: execErr}
+					}
+				}
+				db.Close()
+			}
+
+			if err != nil {
+				req.resCh <- &dbWriteResult{err: err}
+			}
+
+			mtx.Unlock()
+		case <-conn.closeChan:
+			return
+		}
+	}
+}
+
+func dbExec(L *lua.LState) int {
+	ud := L.CheckUserData(1)
+	conn, ok := ud.Value.(*DBConnection)
+	if !ok {
+		L.Push(lua.LNil)
+		L.Push(lua.LString("invalid database connection"))
+		return 2
+	}
+
+	query := L.CheckString(2)
+
+	var args []any
+	if L.GetTop() >= 3 {
+		params := L.CheckTable(3)
+		params.ForEach(func(k lua.LValue, v lua.LValue) {
+			args = append(args, ConvertLuaTypesToGolang(v))
+		})
+	}
+
+	if conn.log {
+		conn.logger.Info("DB Exec",
+			slog.String("query", query),
+			slog.Any("params", args))
+	}
+
+	resCh := make(chan *dbWriteResult, 1)
+	conn.writeChan <- &dbWriteRequest{
+		query: query,
+		args:  args,
+		resCh: resCh,
+	}
+
+	ctx := L.NewTable()
+	L.SetField(ctx, "done", lua.LBool(false))
+
+	var result lua.LValue = lua.LNil
+	var errorMsg lua.LValue = lua.LNil
+
+	L.SetField(ctx, "wait", L.NewFunction(func(L *lua.LState) int {
+		res := <-resCh
+		L.SetField(ctx, "done", lua.LBool(true))
+
+		if res.err != nil {
+			errorMsg = lua.LString(res.err.Error())
+			result = lua.LNil
+		} else {
+			result = lua.LNumber(res.rowsAffected)
+			errorMsg = lua.LNil
+		}
+
+		if res.err != nil {
+			L.Push(lua.LNil)
+			L.Push(lua.LString(res.err.Error()))
+			return 2
+		}
+		L.Push(lua.LNumber(res.rowsAffected))
+		L.Push(lua.LNil)
+		return 2
+	}))
+
+	L.SetField(ctx, "check", L.NewFunction(func(L *lua.LState) int {
+		select {
+		case res := <-resCh:
+			L.SetField(ctx, "done", lua.LBool(true))
+			if res.err != nil {
+				errorMsg = lua.LString(res.err.Error())
+				result = lua.LNil
+				L.Push(lua.LNil)
+				L.Push(lua.LString(res.err.Error()))
+				return 2
+			} else {
+				result = lua.LNumber(res.rowsAffected)
+				errorMsg = lua.LNil
+				L.Push(lua.LNumber(res.rowsAffected))
+				L.Push(lua.LNil)
+				return 2
+			}
+		default:
+			L.Push(result)
+			L.Push(errorMsg)
+			return 2
+		}
+	}))
+
+	L.Push(ctx)
+	L.Push(lua.LNil)
+	return 2
+}
+
+func dbQueryRow(L *lua.LState) int {
+    ud := L.CheckUserData(1)
+    conn, ok := ud.Value.(*DBConnection)
+    if !ok {
+        L.Push(lua.LNil)
+        L.Push(lua.LString("invalid database connection"))
+        return 2
+    }
+
+    query := L.CheckString(2)
+
+    var args []any
+    if L.GetTop() >= 3 {
+        params := L.CheckTable(3)
+        params.ForEach(func(k lua.LValue, v lua.LValue) {
+            args = append(args, ConvertLuaTypesToGolang(v))
+        })
+    }
+
+    if conn.log {
+        conn.logger.Info("DB QueryRow",
+            slog.String("query", query),
+            slog.Any("params", args))
+    }
+
+    mtx := getDBMutex(conn.dbPath)
+    mtx.RLock()
+    defer mtx.RUnlock()
+
+    db, err := sql.Open("sqlite", conn.dbPath+"?_busy_timeout=5000&_journal_mode=WAL&_sync=NORMAL&_cache_size=-10000")
+    if err != nil {
+        L.Push(lua.LNil)
+        L.Push(lua.LString(err.Error()))
+        return 2
+    }
+    defer db.Close()
+
+    row := db.QueryRow(query, args...)
+
+	columns := []string{}
+	stmt, err := db.Prepare(query)
+	if err != nil {
+		L.Push(lua.LNil)
+		L.Push(lua.LString(fmt.Sprintf("prepare failed: %v", err)))
+		return 2
+	}
+	defer stmt.Close()
+	rows, err := stmt.Query(args...)
+	if err != nil {
+		L.Push(lua.LNil)
+		L.Push(lua.LString(fmt.Sprintf("query failed: %v", err)))
+		return 2
+	}
+	defer rows.Close()
+	cols, err := rows.Columns()
+	if err != nil {
+		L.Push(lua.LNil)
+		L.Push(lua.LString(fmt.Sprintf("get columns failed: %v", err)))
+		return 2
+	}
+	for _, c := range cols {
+		columns = append(columns, c)
+	}
+
+    colCount := len(columns)
+    values := make([]any, colCount)
+    valuePtrs := make([]any, colCount)
+    for i := range columns {
+        valuePtrs[i] = &values[i]
+    }
+
+    err = row.Scan(valuePtrs...)
+    if err != nil {
+        if err == sql.ErrNoRows {
+            L.Push(lua.LNil)
+            return 1
+        }
+        L.Push(lua.LNil)
+        L.Push(lua.LString(fmt.Sprintf("scan failed: %v", err)))
+        return 2
+    }
+
+    rowTable := L.NewTable()
+    for i, col := range columns {
+        val := values[i]
+        if val == nil {
+            L.SetField(rowTable, col, lua.LNil)
+        } else {
+            L.SetField(rowTable, col, ConvertGolangTypesToLua(L, val))
+        }
+    }
+
+    L.Push(rowTable)
+    return 1
+}
+
+func dbQuery(L *lua.LState) int {
+	ud := L.CheckUserData(1)
+	conn, ok := ud.Value.(*DBConnection)
+	if !ok {
+		L.Push(lua.LNil)
+		L.Push(lua.LString("invalid database connection"))
+		return 2
+	}
+
+	query := L.CheckString(2)
+
+	var args []any
+	if L.GetTop() >= 3 {
+		params := L.CheckTable(3)
+		params.ForEach(func(k lua.LValue, v lua.LValue) {
+			args = append(args, ConvertLuaTypesToGolang(v))
+		})
+	}
+
+	if conn.log {
+		conn.logger.Info("DB Query",
+			slog.String("query", query),
+			slog.Any("params", args))
+	}
+
+	mtx := getDBMutex(conn.dbPath)
+	mtx.RLock()
+	defer mtx.RUnlock()
+
+	db, err := sql.Open("sqlite", conn.dbPath+"?_busy_timeout=5000&_journal_mode=WAL&_sync=NORMAL&_cache_size=-10000")
+	if err != nil {
+		L.Push(lua.LNil)
+		L.Push(lua.LString(err.Error()))
+		return 2
+	}
+	defer db.Close()
+
+	rows, err := db.Query(query, args...)
+	if err != nil {
+		L.Push(lua.LNil)
+		L.Push(lua.LString(fmt.Sprintf("query failed: %v", err)))
+		return 2
+	}
+	defer rows.Close()
+
+	columns, err := rows.Columns()
+	if err != nil {
+		L.Push(lua.LNil)
+		L.Push(lua.LString(fmt.Sprintf("get columns failed: %v", err)))
+		return 2
+	}
+
+	result := L.NewTable()
+	colCount := len(columns)
+	values := make([]any, colCount)
+	valuePtrs := make([]any, colCount)
+
+	for rows.Next() {
+		for i := range columns {
+			valuePtrs[i] = &values[i]
+		}
+
+		if err := rows.Scan(valuePtrs...); err != nil {
+			L.Push(lua.LNil)
+			L.Push(lua.LString(fmt.Sprintf("scan failed: %v", err)))
+			return 2
+		}
+
+		rowTable := L.NewTable()
+		for i, col := range columns {
+			val := values[i]
+			if val == nil {
+				L.SetField(rowTable, col, lua.LNil)
+			} else {
+				L.SetField(rowTable, col, ConvertGolangTypesToLua(L, val))
+			}
+		}
+		result.Append(rowTable)
+	}
+
+	if err := rows.Err(); err != nil {
+		L.Push(lua.LNil)
+		L.Push(lua.LString(fmt.Sprintf("rows iteration failed: %v", err)))
+		return 2
+	}
+
+	L.Push(result)
+	return 1
+}
+
+func dbClose(L *lua.LState) int {
+	ud := L.CheckUserData(1)
+	conn, ok := ud.Value.(*DBConnection)
+	if !ok {
+		L.Push(lua.LFalse)
+		L.Push(lua.LString("invalid database connection"))
+		return 2
+	}
+
+	close(conn.closeChan)
+	L.Push(lua.LTrue)
+	return 1
+}

internal/server/sv1/handle.go

@@ -0,0 +1,39 @@
+package sv1
+
+import (
+	"context"
+	"log/slog"
+	"net/http"
+
+	"github.com/akyaiy/GoSally-mvp/internal/server/rpc"
+)
+
+func (h *HandlerV1) Handle(_ context.Context, sid string, r *http.Request, req *rpc.RPCRequest) *rpc.RPCResponse {
+	if req.Method == "" {
+		h.x.SLog.Info("invalid request received", slog.String("issue", rpc.ErrMethodNotFoundS), slog.String("requested-method", req.Method))
+		return rpc.NewError(rpc.ErrMethodIsMissing, rpc.ErrMethodIsMissingS, nil, req.ID)
+	}
+
+	method, err := h.resolveMethodPath(req.Method)
+	if err != nil {
+		if err.Error() == rpc.ErrInvalidMethodFormatS {
+			h.x.SLog.Info("invalid request received", slog.String("issue", rpc.ErrInvalidMethodFormatS), slog.String("requested-method", req.Method))
+			return rpc.NewError(rpc.ErrInvalidMethodFormat, rpc.ErrInvalidMethodFormatS, nil, req.ID)
+		} else if err.Error() == rpc.ErrMethodNotFoundS {
+			h.x.SLog.Info("invalid request received", slog.String("issue", rpc.ErrMethodNotFoundS), slog.String("requested-method", req.Method))
+			return rpc.NewError(rpc.ErrMethodNotFound, rpc.ErrMethodNotFoundS, nil, req.ID)
+		}
+	}
+	switch req.Params.(type) {
+	case map[string]any, []any, nil:
+		return h.handleLUA(sid, r, req, method)
+	default:
+		// JSON-RPC 2.0 Specification:
+		// https://www.jsonrpc.org/specification#parameter_structures
+		//
+		// "params" MUST be either an *array* or an *object* if included.
+		// Any other type (e.g., a number, string, or boolean) is INVALID.
+		h.x.SLog.Info("invalid request received", slog.String("issue", rpc.ErrInvalidParamsS))
+		return rpc.NewError(rpc.ErrInvalidParams, rpc.ErrInvalidParamsS, nil, req.ID)
+	}
+}

internal/server/sv1/jwt.go

@@ -0,0 +1,86 @@
+package sv1
+
+import (
+	"log/slog"
+	"time"
+
+	"github.com/golang-jwt/jwt/v5"
+	lua "github.com/yuin/gopher-lua"
+)
+
+func loadJWTMod(llog *slog.Logger, sid string) func(*lua.LState) int {
+	return func(L *lua.LState) int {
+		llog.Debug("import module jwt")
+		jwtMod := L.NewTable()
+
+		L.SetField(jwtMod, "encode", L.NewFunction(jwtEncode))
+		L.SetField(jwtMod, "decode", L.NewFunction(jwtDecode))
+
+		L.SetField(jwtMod, "__seed", lua.LString(sid))
+		L.Push(jwtMod)
+		return 1
+	}
+}
+
+func jwtEncode(L *lua.LState) int {
+	payloadTbl := L.CheckTable(1)
+	secret := L.GetField(payloadTbl, "secret").String()
+	payload := L.GetField(payloadTbl, "payload").(*lua.LTable)
+	expiresIn := L.GetField(payloadTbl, "expires_in")
+	expDuration := time.Hour
+
+	if expiresIn.Type() == lua.LTNumber {
+		floatVal := ConvertLuaTypesToGolang(expiresIn).(float64)
+		expDuration = time.Duration(floatVal) * time.Second
+	}
+
+	claims := jwt.MapClaims{}
+	payload.ForEach(func(key, value lua.LValue) {
+		claims[key.String()] = ConvertLuaTypesToGolang(value)
+	})
+	claims["iat"] = time.Now().Unix()
+	claims["exp"] = time.Now().Add(expDuration).Unix()
+
+	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
+	signedToken, err := token.SignedString([]byte(secret))
+	if err != nil {
+		L.Push(lua.LNil)
+		L.Push(lua.LString(err.Error()))
+		return 2
+	}
+
+	L.Push(lua.LString(signedToken))
+	return 1
+}
+
+func jwtDecode(L *lua.LState) int {
+	tokenString := L.CheckString(1)
+	optsTbl := L.OptTable(2, L.NewTable())
+	secret := L.GetField(optsTbl, "secret").String()
+
+	token, err := jwt.Parse(tokenString, func(t *jwt.Token) (any, error) {
+		return []byte(secret), nil
+	})
+
+	if err != nil || !token.Valid {
+		L.Push(lua.LString("Invalid token: " + err.Error()))
+		L.Push(lua.LNil)
+		return 2
+	}
+
+	claims, ok := token.Claims.(jwt.MapClaims)
+	if !ok {
+		L.Push(lua.LString("Invalid claims"))
+		L.Push(lua.LNil)
+		return 2
+	}
+
+	luaTable := L.NewTable()
+	for k, v := range claims {
+		luaTable.RawSetString(k, ConvertGolangTypesToLua(L, v))
+	}
+
+	L.Push(lua.LNil)
+	L.Push(luaTable)
+	return 2
+}

internal/server/sv1/lua_handler.go

@@ -0,0 +1,641 @@
+package sv1
+
+// TODO: make a lua state pool using sync.Pool
+
+import (
+	"crypto/sha256"
+	"encoding/hex"
+	"fmt"
+	"io"
+	"log/slog"
+	"math/rand/v2"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strconv"
+	"strings"
+
+	"golang.org/x/crypto/bcrypt"
+
+	"github.com/akyaiy/GoSally-mvp/internal/colors"
+	"github.com/akyaiy/GoSally-mvp/internal/server/rpc"
+	lua "github.com/yuin/gopher-lua"
+	_ "modernc.org/sqlite"
+)
+
+func addInitiatorHeaders(sid string, req *http.Request, headers http.Header) {
+	clientIP := req.RemoteAddr
+	if forwardedFor := req.Header.Get("X-Forwarded-For"); forwardedFor != "" {
+		clientIP = forwardedFor
+	}
+	headers.Set("X-Initiator-IP", clientIP)
+	headers.Set("X-Session-UUID", sid)
+	headers.Set("X-Initiator-Host", req.Host)
+	headers.Set("X-Initiator-User-Agent", req.UserAgent())
+	headers.Set("X-Initiator-Referer", req.Referer())
+}
+
+// A small reminder: this code is only at the MVP stage,
+// and some parts of the code may cause shock from the
+// incompetence of the developer. But, in the end,
+// this code is just an idea. If there is a desire to
+// contribute to the development of the code,
+// I will be only glad.
+// TODO: make this huge function more harmonious by dividing responsibilities
+func (h *HandlerV1) handleLUA(sid string, r *http.Request, req *rpc.RPCRequest, path string) *rpc.RPCResponse {
+	var __exit = -1
+
+	llog := h.x.SLog.With(slog.String("session-id", sid))
+	llog.Debug("handling LUA")
+	L := lua.NewState()
+	defer L.Close()
+
+	osMod := L.GetGlobal("os").(*lua.LTable)
+	L.SetField(osMod, "exit", lua.LNil)
+
+	ioMod := L.GetGlobal("io").(*lua.LTable)
+	for _, k := range []string{"write", "output", "flush", "read", "input"} {
+		ioMod.RawSetString(k, lua.LNil)
+	}
+	L.Env.RawSetString("print", lua.LNil)
+
+	for _, name := range []string{"stdout", "stderr", "stdin"} {
+		stream := ioMod.RawGetString(name)
+		if t, ok := stream.(*lua.LUserData); ok {
+			t.Metatable = lua.LNil
+		}
+	}
+
+	seed := rand.Int()
+
+	loadSessionMod := func(L *lua.LState) int {
+		llog.Debug("import module session", slog.String("script", path))
+		sessionMod := L.NewTable()
+		inTable := L.NewTable()
+		paramsTable := L.NewTable()
+		headersTable := L.NewTable()
+
+		fetchedHeadersTable := L.NewTable()
+		for k, v := range r.Header {
+			L.SetField(fetchedHeadersTable, k, ConvertGolangTypesToLua(L, v))
+		}
+
+		headersGetter := L.NewFunction(func(L *lua.LState) int {
+			path := L.OptString(1, "")
+			def := L.Get(2)
+
+			get := func(path string) lua.LValue {
+				if path == "" {
+					return fetchedHeadersTable
+				}
+				fetched := r.Header.Get(path)
+				if fetched == "" {
+					return lua.LNil
+				}
+				return lua.LString(fetched)
+			}
+			val := get(path)
+			if val == lua.LNil && def != lua.LNil {
+				L.Push(def)
+			} else {
+				L.Push(val)
+			}
+			return 1
+		})
+
+		L.SetField(headersTable, "__fetched", fetchedHeadersTable)
+
+		L.SetField(headersTable, "get", headersGetter)
+		L.SetField(inTable, "headers", headersTable)
+
+		fetchedParamsTable := L.NewTable()
+		switch params := req.Params.(type) {
+		case map[string]any:
+			for k, v := range params {
+				L.SetField(fetchedParamsTable, k, ConvertGolangTypesToLua(L, v))
+			}
+		case []any:
+			for i, v := range params {
+				fetchedParamsTable.RawSetInt(i+1, ConvertGolangTypesToLua(L, v))
+			}
+		}
+
+		paramsGetter := L.NewFunction(func(L *lua.LState) int {
+			path := L.OptString(1, "")
+			def := L.Get(2)
+
+			get := func(tbl *lua.LTable, path string) lua.LValue {
+				if path == "" {
+					return tbl
+				}
+				current := tbl
+				parts := strings.Split(path, ".")
+				size := len(parts)
+				for index, key := range parts {
+					val := current.RawGetString(key)
+					if tblVal, ok := val.(*lua.LTable); ok {
+						current = tblVal
+					} else {
+						if index == size-1 {
+							return val
+						}
+						return lua.LNil
+					}
+				}
+				return current
+			}
+
+			paramsTbl := L.GetField(paramsTable, "__fetched") //
+			val := get(paramsTbl.(*lua.LTable), path)         //
+			if val == lua.LNil && def != lua.LNil {
+				L.Push(def)
+			} else {
+				L.Push(val)
+			}
+			return 1
+		})
+		L.SetField(paramsTable, "__fetched", fetchedParamsTable)
+
+		L.SetField(paramsTable, "get", paramsGetter)
+		L.SetField(inTable, "params", paramsTable)
+
+		outTable := L.NewTable()
+		scriptDataTable := L.NewTable()
+		L.SetField(outTable, "__script_data", scriptDataTable)
+
+		L.SetField(inTable, "address", lua.LString(r.RemoteAddr))
+
+		L.SetField(sessionMod, "throw_error", L.NewFunction(func(L *lua.LState) int {
+			arg := L.Get(1)
+			var msg string
+			switch arg.Type() {
+			case lua.LTString:
+				msg = arg.String()
+			case lua.LTNumber:
+				msg = strconv.FormatFloat(float64(arg.(lua.LNumber)), 'f', -1, 64)
+			default:
+				L.ArgError(1, "expected string or number")
+				return 0
+			}
+
+			L.RaiseError("%s", msg)
+			return 0
+		}))
+
+		resTable := L.NewTable()
+		L.SetField(scriptDataTable, "result", resTable)
+		L.SetField(outTable, "send", L.NewFunction(func(L *lua.LState) int {
+			res := L.Get(1)
+			if res == lua.LNil {
+				__exit = 0
+				L.RaiseError("__successfull")
+				return 0
+			}
+
+			resFTable := scriptDataTable.RawGetString("result")
+			if resPTable, ok := res.(*lua.LTable); ok {
+				resPTable.ForEach(func(key, value lua.LValue) {
+					L.SetField(resFTable, key.String(), value)
+				})
+			} else {
+				L.SetField(scriptDataTable, "result", res)
+			}
+
+			__exit = 0
+			L.RaiseError("__successfull")
+			return 0
+		}))
+
+		L.SetField(outTable, "set", L.NewFunction(func(L *lua.LState) int {
+			res := L.Get(1)
+			if res == lua.LNil {
+				return 0
+			}
+
+			resFTable := scriptDataTable.RawGetString("result")
+			if resPTable, ok := res.(*lua.LTable); ok {
+				resPTable.ForEach(func(key, value lua.LValue) {
+					L.SetField(resFTable, key.String(), value)
+				})
+			} else {
+				L.SetField(scriptDataTable, "result", res)
+			}
+			return 0
+		}))
+
+		errTable := L.NewTable()
+		L.SetField(scriptDataTable, "error", errTable)
+		L.SetField(outTable, "send_error", L.NewFunction(func(L *lua.LState) int {
+			var params [3]lua.LValue
+			for i := range 3 {
+				params[i] = L.Get(i + 1)
+			}
+			if errTable, ok := scriptDataTable.RawGetString("error").(*lua.LTable); ok {
+				for _, v := range params {
+					switch v.Type() {
+					case lua.LTNumber:
+						if n, ok := v.(lua.LNumber); ok {
+							L.SetField(errTable, "code", n)
+						}
+					case lua.LTString:
+						if s, ok := v.(lua.LString); ok {
+							L.SetField(errTable, "message", s)
+						}
+					case lua.LTTable:
+						if tbl, ok := v.(*lua.LTable); ok {
+							L.SetField(errTable, "data", tbl)
+						}
+					}
+				}
+			}
+
+			__exit = 1
+			L.RaiseError("__unsuccessfull")
+			return 0
+		}))
+
+		L.SetField(outTable, "set_error", L.NewFunction(func(L *lua.LState) int {
+			var params [3]lua.LValue
+			for i := range 3 {
+				params[i] = L.Get(i + 1)
+			}
+			if errTable, ok := scriptDataTable.RawGetString("error").(*lua.LTable); ok {
+				for _, v := range params {
+					switch v.Type() {
+					case lua.LTNumber:
+						if n, ok := v.(lua.LNumber); ok {
+							L.SetField(errTable, "code", n)
+						}
+					case lua.LTString:
+						if s, ok := v.(lua.LString); ok {
+							L.SetField(errTable, "message", s)
+						}
+					case lua.LTTable:
+						if tbl, ok := v.(*lua.LTable); ok {
+							L.SetField(errTable, "data", tbl)
+						}
+					}
+				}
+			}
+			return 0
+		}))
+
+		L.SetField(sessionMod, "request", inTable)
+		L.SetField(sessionMod, "response", outTable)
+
+		L.SetField(sessionMod, "id", lua.LString(sid))
+
+		L.SetField(sessionMod, "__seed", lua.LString(fmt.Sprint(seed)))
+		L.Push(sessionMod)
+		return 1
+	}
+
+	loadLogMod := func(L *lua.LState) int {
+		llog.Debug("import module log", slog.String("script", path))
+		logMod := L.NewTable()
+
+		logFuncs := map[string]func(string, ...any){
+			"info":  llog.Info,
+			"debug": llog.Debug,
+			"error": llog.Error,
+			"warn":  llog.Warn,
+		}
+
+		for name, logFunc := range logFuncs {
+			fun := logFunc
+			L.SetField(logMod, name, L.NewFunction(func(L *lua.LState) int {
+				msg := L.Get(1)
+				converted := ConvertLuaTypesToGolang(msg)
+				fun(fmt.Sprintf("the script says: %s", converted), slog.String("script", path))
+				return 0
+			}))
+		}
+
+		for _, fn := range []struct {
+			field string
+			pfunc func(string, ...any)
+			color func() string
+		}{
+			{"event", h.x.Log.Printf, nil},
+			{"event_error", h.x.Log.Printf, colors.PrintError},
+			{"event_warn", h.x.Log.Printf, colors.PrintWarn},
+		} {
+			L.SetField(logMod, fn.field, L.NewFunction(func(L *lua.LState) int {
+				msg := L.Get(1)
+				converted := ConvertLuaTypesToGolang(msg)
+				if fn.color != nil {
+					h.x.Log.Printf("%s: %s: %s", fn.color(), path, converted)
+				} else {
+					h.x.Log.Printf("%s: %s", path, converted)
+				}
+				return 0
+			}))
+		}
+
+		L.SetField(logMod, "__seed", lua.LString(fmt.Sprint(seed)))
+		L.Push(logMod)
+		return 1
+	}
+
+	loadNetMod := func(L *lua.LState) int {
+		llog.Debug("import module net", slog.String("script", path))
+		netMod := L.NewTable()
+		netModhttp := L.NewTable()
+
+		L.SetField(netModhttp, "get_request", L.NewFunction(func(L *lua.LState) int {
+			logRequest := L.ToBool(1)
+			url := L.ToString(2)
+
+			req, err := http.NewRequest("GET", url, nil)
+			if err != nil {
+				L.Push(lua.LNil)
+				L.Push(lua.LString(err.Error()))
+				return 2
+			}
+
+			addInitiatorHeaders(sid, r, req.Header)
+
+			client := &http.Client{}
+			resp, err := client.Do(req)
+			if err != nil {
+				L.Push(lua.LNil)
+				L.Push(lua.LString(err.Error()))
+				return 2
+			}
+			defer resp.Body.Close()
+
+			body, err := io.ReadAll(resp.Body)
+			if err != nil {
+				L.Push(lua.LNil)
+				L.Push(lua.LString(err.Error()))
+				return 2
+			}
+
+			if logRequest {
+				llog.Info("HTTP GET request",
+					slog.String("script", path),
+					slog.String("url", url),
+					slog.Int("status", resp.StatusCode),
+					slog.String("status_text", resp.Status),
+					slog.String("initiator_ip", req.Header.Get("X-Initiator-IP")),
+				)
+			}
+
+			result := L.NewTable()
+			L.SetField(result, "status", lua.LNumber(resp.StatusCode))
+			L.SetField(result, "status_text", lua.LString(resp.Status))
+			L.SetField(result, "body", lua.LString(body))
+			L.SetField(result, "content_length", lua.LNumber(resp.ContentLength))
+
+			headers := L.NewTable()
+			for k, v := range resp.Header {
+				L.SetField(headers, k, ConvertGolangTypesToLua(L, v))
+			}
+			L.SetField(result, "headers", headers)
+
+			L.Push(result)
+			return 1
+		}))
+
+		L.SetField(netModhttp, "post_request", L.NewFunction(func(L *lua.LState) int {
+			logRequest := L.ToBool(1)
+			url := L.ToString(2)
+			contentType := L.ToString(3)
+			payload := L.ToString(4)
+
+			body := strings.NewReader(payload)
+
+			req, err := http.NewRequest("POST", url, body)
+			if err != nil {
+				L.Push(lua.LNil)
+				L.Push(lua.LString(err.Error()))
+				return 2
+			}
+
+			req.Header.Set("Content-Type", contentType)
+
+			addInitiatorHeaders(sid, r, req.Header)
+
+			client := &http.Client{}
+			resp, err := client.Do(req)
+			if err != nil {
+				L.Push(lua.LNil)
+				L.Push(lua.LString(err.Error()))
+				return 2
+			}
+			defer resp.Body.Close()
+
+			respBody, err := io.ReadAll(resp.Body)
+			if err != nil {
+				L.Push(lua.LNil)
+				L.Push(lua.LString(err.Error()))
+				return 2
+			}
+
+			if logRequest {
+				llog.Info("HTTP POST request",
+					slog.String("script", path),
+					slog.String("url", url),
+					slog.String("content_type", contentType),
+					slog.Int("status", resp.StatusCode),
+					slog.String("status_text", resp.Status),
+					slog.String("initiator_ip", req.Header.Get("X-Initiator-IP")),
+				)
+			}
+
+			result := L.NewTable()
+			L.SetField(result, "status", lua.LNumber(resp.StatusCode))
+			L.SetField(result, "status_text", lua.LString(resp.Status))
+			L.SetField(result, "body", lua.LString(respBody))
+			L.SetField(result, "content_length", lua.LNumber(resp.ContentLength))
+
+			headers := L.NewTable()
+			for k, v := range resp.Header {
+				L.SetField(headers, k, ConvertGolangTypesToLua(L, v))
+			}
+			L.SetField(result, "headers", headers)
+
+			L.Push(result)
+			return 1
+		}))
+
+		L.SetField(netMod, "http", netModhttp)
+
+		L.SetField(netMod, "__seed", lua.LString(fmt.Sprint(seed)))
+		L.Push(netMod)
+		return 1
+	}
+
+	loadCryptbcryptMod := func(L *lua.LState) int {
+		llog.Debug("import module crypt.bcrypt", slog.String("script", path))
+		bcryptMod := L.NewTable()
+
+		L.SetField(bcryptMod, "MinCost", lua.LNumber(bcrypt.MinCost))
+		L.SetField(bcryptMod, "MaxCost", lua.LNumber(bcrypt.MaxCost))
+		L.SetField(bcryptMod, "DefaultCost", lua.LNumber(bcrypt.DefaultCost))
+
+		L.SetField(bcryptMod, "generate", L.NewFunction(func(l *lua.LState) int {
+			password := ConvertLuaTypesToGolang(L.Get(1))
+			passwordStr, ok := password.(string)
+			if !ok {
+				L.Push(lua.LNil)
+				L.Push(lua.LString("error: password must be a string"))
+				return 2
+			}
+
+			cost := ConvertLuaTypesToGolang(L.Get(2))
+			costInt := bcrypt.DefaultCost
+			switch v := cost.(type) {
+			case int:
+				costInt = v
+			case float64:
+				costInt = int(v)
+			case nil:
+				// ok, use DefaultCost
+			default:
+				L.Push(lua.LNil)
+				L.Push(lua.LString("error: cost must be an integer"))
+				return 2
+			}
+
+			hashBytes, err := bcrypt.GenerateFromPassword([]byte(passwordStr), costInt)
+			if err != nil {
+				L.Push(lua.LNil)
+				L.Push(lua.LString("error: " + err.Error()))
+				return 2
+			}
+
+			L.Push(lua.LString(string(hashBytes)))
+			L.Push(lua.LNil)
+			return 2
+		}))
+
+		L.SetField(bcryptMod, "compare", L.NewFunction(func(l *lua.LState) int {
+			hash := ConvertLuaTypesToGolang(L.Get(1))
+			hashStr, ok := hash.(string)
+			if !ok {
+				L.Push(lua.LString("error: hash must be a string"))
+				return 1
+			}
+			password := ConvertLuaTypesToGolang(L.Get(2))
+			passwordStr, ok := password.(string)
+			if !ok {
+				L.Push(lua.LString("error: password must be a string"))
+				return 1
+			}
+
+			err := bcrypt.CompareHashAndPassword([]byte(hashStr), []byte(passwordStr))
+			if err != nil {
+				L.Push(lua.LFalse)
+				return 1
+			}
+			L.Push(lua.LTrue)
+			return 1
+		}))
+
+		L.SetField(bcryptMod, "__seed", lua.LString(fmt.Sprint(seed)))
+		L.Push(bcryptMod)
+		return 1
+	}
+
+	loadCryptbsha256Mod := func(L *lua.LState) int {
+		llog.Debug("import module crypt.sha256", slog.String("script", path))
+		sha265mod := L.NewTable()
+
+		L.SetField(sha265mod, "sum", L.NewFunction(func(l *lua.LState) int {
+			data := ConvertLuaTypesToGolang(L.Get(1))
+			var dataStr = fmt.Sprint(data)
+
+			hash := sha256.Sum256([]byte(dataStr))
+
+			L.Push(lua.LString(hex.EncodeToString(hash[:])))
+			L.Push(lua.LNil)
+			return 2
+		}))
+
+		L.SetField(sha265mod, "__seed", lua.LString(fmt.Sprint(seed)))
+		L.Push(sha265mod)
+		return 1
+	}
+
+	L.PreloadModule("internal.session", loadSessionMod)
+	L.PreloadModule("internal.log", loadLogMod)
+	L.PreloadModule("internal.net", loadNetMod)
+	L.PreloadModule("internal.database.sqlite", loadDBMod(llog, fmt.Sprint(seed)))
+	L.PreloadModule("internal.crypt.bcrypt", loadCryptbcryptMod)
+	L.PreloadModule("internal.crypt.sha256", loadCryptbsha256Mod)
+	L.PreloadModule("internal.crypt.jwt", loadJWTMod(llog, fmt.Sprint(seed)))
+
+	llog.Debug("preparing environment")
+	prep := filepath.Join(*h.x.Config.Conf.Node.ComDir, "_prepare.lua")
+	if _, err := os.Stat(prep); err == nil {
+		if err := L.DoFile(prep); err != nil {
+			llog.Error("script error", slog.String("script", path), slog.String("error", err.Error()))
+			return rpc.NewError(rpc.ErrInternalError, rpc.ErrInternalErrorS, nil, req.ID)
+		}
+	}
+	llog.Debug("executing script", slog.String("script", path))
+	err := L.DoFile(path)
+	if err != nil && __exit != 0 && __exit != 1 {
+		llog.Error("script error", slog.String("script", path), slog.String("error", err.Error()))
+		return rpc.NewError(rpc.ErrInternalError, rpc.ErrInternalErrorS, nil, req.ID)
+	}
+
+	pkg := L.GetGlobal("package")
+	pkgTbl, ok := pkg.(*lua.LTable)
+	if !ok {
+		llog.Error("script error", slog.String("script", path), slog.String("error", "package not found"))
+		return rpc.NewError(rpc.ErrInternalError, rpc.ErrInternalErrorS, nil, req.ID)
+	}
+
+	loaded := pkgTbl.RawGetString("loaded")
+	loadedTbl, ok := loaded.(*lua.LTable)
+	if !ok {
+		llog.Error("script error", slog.String("script", path), slog.String("error", "package.loaded not found"))
+		return rpc.NewError(rpc.ErrInternalError, rpc.ErrInternalErrorS, nil, req.ID)
+	}
+
+	sessionVal := loadedTbl.RawGetString("internal.session")
+	sessionTbl, ok := sessionVal.(*lua.LTable)
+	if !ok {
+		return rpc.NewResponse(nil, req.ID)
+	}
+
+	tag := sessionTbl.RawGetString("__seed")
+	if tag.Type() != lua.LTString || tag.String() != fmt.Sprint(seed) {
+		llog.Debug("stock session module is not imported: wrong seed", slog.String("script", path))
+		return rpc.NewResponse(nil, req.ID)
+	}
+
+	outVal := sessionTbl.RawGetString("response")
+	outTbl, ok := outVal.(*lua.LTable)
+	if !ok {
+		llog.Error("script error", slog.String("script", path), slog.String("error", "response is not a table"))
+		return rpc.NewError(rpc.ErrInternalError, rpc.ErrInternalErrorS, nil, req.ID)
+	}
+
+	if scriptDataTable, ok := outTbl.RawGetString("__script_data").(*lua.LTable); ok {
+		switch __exit {
+		case 1:
+			if errTbl, ok := scriptDataTable.RawGetString("error").(*lua.LTable); ok {
+				llog.Debug("catch error table", slog.String("script", path))
+				code := rpc.ErrInternalError
+				message := rpc.ErrInternalErrorS
+				if c := errTbl.RawGetString("code"); c.Type() == lua.LTNumber {
+					code = int(c.(lua.LNumber))
+				}
+				if msg := errTbl.RawGetString("message"); msg.Type() == lua.LTString {
+					message = msg.String()
+				}
+				data := ConvertLuaTypesToGolang(errTbl.RawGetString("data"))
+				llog.Error("the script terminated with an error", slog.Int("code", code), slog.String("message", message), slog.Any("data", data))
+				return rpc.NewError(code, message, data, req.ID)
+			}
+			return rpc.NewError(rpc.ErrInternalError, rpc.ErrInternalErrorS, nil, req.ID)
+		case 0:
+			resVal := ConvertLuaTypesToGolang(scriptDataTable.RawGetString("result"))
+			return rpc.NewResponse(resVal, req.ID)
+		}
+	}
+	return rpc.NewResponse(nil, req.ID)
+}

internal/server/sv1/lua_types.go

@@ -0,0 +1,126 @@
+package sv1
+
+import (
+	"fmt"
+	"reflect"
+	"strconv"
+
+	lua "github.com/yuin/gopher-lua"
+)
+
+func ConvertLuaTypesToGolang(value lua.LValue) any {
+	switch value.Type() {
+	case lua.LTString:
+		return value.String()
+	case lua.LTNumber:
+		return float64(value.(lua.LNumber))
+	case lua.LTBool:
+		return bool(value.(lua.LBool))
+	case lua.LTTable:
+		tbl := value.(*lua.LTable)
+
+		maxIdx := 0
+		isArray := true
+
+		var isNumeric = false
+		tbl.ForEach(func(key, _ lua.LValue) {
+			var numKey lua.LValue
+			var ok bool
+			switch key.Type() {
+			case lua.LTString:
+				numKey, ok = key.(lua.LString)
+				if !ok {
+					isArray = false
+					return
+				}
+			case lua.LTNumber:
+				numKey, ok = key.(lua.LNumber)
+				if !ok {
+					isArray = false
+					return
+				}
+				isNumeric = true
+			}
+
+			num, err := strconv.Atoi(numKey.String())
+			if err != nil {
+				isArray = false
+				return
+			}
+			if num < 1 {
+				isArray = false
+				return
+			}
+			if num > maxIdx {
+				maxIdx = num
+			}
+		})
+
+		if isArray {
+			arr := make([]any, maxIdx)
+			if isNumeric {
+				for i := 1; i <= maxIdx; i++ {
+					arr[i-1] = ConvertLuaTypesToGolang(tbl.RawGetInt(i))
+				}
+			} else {
+				for i := 1; i <= maxIdx; i++ {
+					arr[i-1] = ConvertLuaTypesToGolang(tbl.RawGetString(strconv.Itoa(i)))
+				}
+			}
+			return arr
+		}
+		result := make(map[string]any)
+		tbl.ForEach(func(key, val lua.LValue) {
+			result[key.String()] = ConvertLuaTypesToGolang(val)
+		})
+		return result
+
+	case lua.LTNil:
+		return nil
+	default:
+		return value.String()
+	}
+}
+
+func ConvertGolangTypesToLua(L *lua.LState, val any) lua.LValue {
+	if val == nil {
+		return lua.LNil
+	}
+
+	rv := reflect.ValueOf(val)
+	rt := rv.Type()
+
+	switch rt.Kind() {
+	case reflect.String:
+		return lua.LString(rv.String())
+	case reflect.Bool:
+		return lua.LBool(rv.Bool())
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+		return lua.LNumber(rv.Int())
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
+		return lua.LNumber(rv.Uint())
+	case reflect.Float32, reflect.Float64:
+		return lua.LNumber(rv.Float())
+
+	case reflect.Slice, reflect.Array:
+		tbl := L.NewTable()
+		for i := 0; i < rv.Len(); i++ {
+			tbl.RawSetInt(i+1, ConvertGolangTypesToLua(L, rv.Index(i).Interface()))
+		}
+		return tbl
+
+	case reflect.Map:
+		if rt.Key().Kind() == reflect.String {
+			tbl := L.NewTable()
+			for _, key := range rv.MapKeys() {
+				val := rv.MapIndex(key)
+				tbl.RawSetString(key.String(), ConvertGolangTypesToLua(L, val.Interface()))
+			}
+			return tbl
+		}
+
+	default:
+		return lua.LString(fmt.Sprintf("%v", val))
+	}
+	return lua.LString(fmt.Sprintf("%v", val))
+}

internal/server/sv1/path.go

@@ -0,0 +1,26 @@
+package sv1
+
+import (
+	"errors"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/akyaiy/GoSally-mvp/internal/server/rpc"
+)
+
+func (h *HandlerV1) resolveMethodPath(method string) (string, error) {
+	if !h.allowedCmd.MatchString(method) {
+		return "", errors.New(rpc.ErrInvalidMethodFormatS)
+	}
+
+	parts := strings.Split(method, ">")
+	relPath := filepath.Join(parts...) + ".lua"
+	fullPath := filepath.Join(*h.x.Config.Conf.Node.ComDir, relPath)
+
+	if _, err := os.Stat(fullPath); os.IsNotExist(err) {
+		return "", errors.New(rpc.ErrMethodNotFoundS)
+	}
+
+	return fullPath, nil
+}

internal/server/sv1/server.go

@@ -3,30 +3,27 @@
 package sv1
 
 import (
-	"log/slog"
 	"regexp"
 
-	"github.com/akyaiy/GoSally-mvp/core/config"
+	"github.com/akyaiy/GoSally-mvp/internal/core/corestate"
+	"github.com/akyaiy/GoSally-mvp/internal/engine/app"
 )
 
 // HandlerV1InitStruct structure is only for initialization
 type HandlerV1InitStruct struct {
-	Ver            string
-	Log            slog.Logger
-	Config         *config.Conf
-	AllowedCmd     *regexp.Regexp
-	ListAllowedCmd *regexp.Regexp
+	Ver        string
+	CS         *corestate.CoreState
+	X          *app.AppX
+	AllowedCmd *regexp.Regexp
 }
 
 // HandlerV1 implements the ServerV1UtilsContract and serves as the main handler for API requests.
 type HandlerV1 struct {
-	log *slog.Logger
-
-	cfg *config.Conf
+	cs *corestate.CoreState
+	x  *app.AppX
 
 	// allowedCmd and listAllowedCmd are regular expressions used to validate command names.
-	allowedCmd     *regexp.Regexp
-	listAllowedCmd *regexp.Regexp
+	allowedCmd *regexp.Regexp
 
 	ver string
 }
@@ -36,11 +33,10 @@ type HandlerV1 struct {
 // because there is no validation of parameters in this function.
 func InitV1Server(o *HandlerV1InitStruct) *HandlerV1 {
 	return &HandlerV1{
-		log:            &o.Log,
-		cfg:            o.Config,
-		allowedCmd:     o.AllowedCmd,
-		listAllowedCmd: o.ListAllowedCmd,
-		ver:            o.Ver,
+		cs:         o.CS,
+		x:          o.X,
+		allowedCmd: o.AllowedCmd,
+		ver:        o.Ver,
 	}
 }
 

main.go

@@ -1,7 +1,9 @@
+// Package main used only for calling cmd.Execute()
 package main
 
 import (
 	"github.com/akyaiy/GoSally-mvp/cmd"
+	_ "modernc.org/sqlite"
 )
 
 func main() {