add enviroment variable for golang beckend close #6

backend/.gitignore

@@ -0,0 +1 @@
+.env

backend/env/env.go

@@ -0,0 +1,59 @@
+package env
+
+import (
+	"os"
+	"strconv"
+	"strings"
+
+	"github.com/joho/godotenv"
+)
+
+type EnvKey string
+
+const (
+	Env           EnvKey = "ENV"
+	GinMode       EnvKey = "GIN_MODE"
+	Debug         EnvKey = "DEBUG"
+	PrivKey       EnvKey = "PRIVKEY"
+	Fullchain     EnvKey = "FULLCHAIN"
+	Https         EnvKey = "HTTPS"
+	Url           EnvKey = "URL"
+	Port          EnvKey = "PORT"
+	WorkingDir    EnvKey = "WORKING_DIR"
+	Spa           EnvKey = "SPA"
+	AccessSecret  EnvKey = "ACCESS_SECRET"
+	RefreshSecret EnvKey = "REFRESH_SECRET"
+)
+
+const (
+	EnvDevelopment = "development"
+	EnvProduction  = "Prodction"
+)
+
+func (key EnvKey) GetValue() string {
+	return os.Getenv(string(key))
+}
+
+func (key EnvKey) GetBoolValue() bool {
+	return strings.ToLower(os.Getenv(string(key))) == "true"
+}
+
+func (key EnvKey) GetUIntValue() uint {
+	value, err := strconv.ParseUint(os.Getenv(string(key)), 10, 32)
+	if err != nil {
+		return 0
+	}
+	return uint(value)
+}
+
+func Load(file string) error {
+	return godotenv.Load(file)
+}
+
+func InDevelopmentMode() bool {
+	return Env.GetValue() == EnvDevelopment
+}
+
+func InDebugMode() bool {
+	return strings.ToLower(Debug.GetValue()) == "true"
+}

backend/example/example.env

@@ -0,0 +1,12 @@
+ENV=development
+GIN_MODE=release
+DEBUG=false
+SPA=directory_of_spa_files
+WORKING_DIR=.
+URL=your_local_url
+PORT=your_local_port
+HTTPS=true
+PRIVKEY=your_certificate_key_file
+FULLCHAIN=your_certificate_fullchain_file
+ACCESS_SECRET=your_32bit_long_access_secret
+REFRESH_SECRET=your_32bit_long_referesh_secret

backend/go.mod

@@ -3,12 +3,13 @@ module backend
 go 1.24.5
 
 require (
-	gitea.tecamino.com/paadi/access-handler v1.0.19
+	gitea.tecamino.com/paadi/access-handler v1.0.22
 	gitea.tecamino.com/paadi/memberDB v1.1.2
 	gitea.tecamino.com/paadi/tecamino-dbm v0.1.1
 	gitea.tecamino.com/paadi/tecamino-logger v0.2.1
 	github.com/gin-contrib/cors v1.7.6
 	github.com/gin-gonic/gin v1.11.0
+	github.com/joho/godotenv v1.5.1
 	golang.org/x/crypto v0.43.0
 )
 

backend/go.sum

@@ -1,5 +1,5 @@
-gitea.tecamino.com/paadi/access-handler v1.0.19 h1:L51Qg5RNjdIGeQsHwGUTV+ADRpUqPt3qdnu7A7UQbsw=
-gitea.tecamino.com/paadi/access-handler v1.0.19/go.mod h1:wKsB5/Rvaj580gdg3+GbUf5V/0N00XN6cID+C/8135M=
+gitea.tecamino.com/paadi/access-handler v1.0.22 h1:XFi2PQ1gWqe9YuSye4Ti1o5TpdV0AFpt4Fb58MFMagk=
+gitea.tecamino.com/paadi/access-handler v1.0.22/go.mod h1:wKsB5/Rvaj580gdg3+GbUf5V/0N00XN6cID+C/8135M=
 gitea.tecamino.com/paadi/dbHandler v1.0.8 h1:ZWSBM/KFtLwTv2cBqwK1mOxWAxAfL0BcWEC3kJ9JALU=
 gitea.tecamino.com/paadi/dbHandler v1.0.8/go.mod h1:y/xn/POJg1DO++67uKvnO23lJQgh+XFQq7HZCS9Getw=
 gitea.tecamino.com/paadi/memberDB v1.1.2 h1:j/Tsr7JnzAkdOvgjG77TzTVBWd4vBrmEFzPXNpW7GYk=
@@ -56,6 +56,8 @@ github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD
 github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc=
 github.com/jinzhu/now v1.1.5 h1:/o9tlHleP7gOFmsnYNz3RGnqzefHA47wQpKrrdTIwXQ=
 github.com/jinzhu/now v1.1.5/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
+github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
+github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
 github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
 github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
 github.com/klauspost/cpuid/v2 v2.3.0 h1:S4CRMLnYUhGeDFDqkGriYKdfoFlDnMtqTiI/sFzhA9Y=

backend/main.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"backend/env"
 	"backend/models"
 	"backend/server"
 	"backend/utils"
@@ -27,20 +28,27 @@ func main() {
 
 	flag.Var(&allowOrigins, "allowOrigin", "Allowed origin (can repeat this flag)")
 
-	spa := flag.String("spa", "./dist/spa", "quasar spa files")
-	workingDir := flag.String("workingDirectory", ".", "quasar spa files")
-	ip := flag.String("ip", "0.0.0.0", "server listening ip")
+	envFile := flag.String("env", ".env", "enviroment file")
 	organization := flag.String("organization", "", "self signed ciertificate organization")
-	port := flag.Uint("port", 9500, "server listening port")
-	https := flag.Bool("https", false, "serves as https needs flag -cert and -chain")
-	sslKey := flag.String("privkey", "", "ssl private key path")
-	sslFullchain := flag.String("fullchain", "", "ssl fullchain path")
-	debug := flag.Bool("debug", false, "log debug")
 	flag.Parse()
 
+	// load enviroment file if exists
+	if err := env.Load(*envFile); err != nil {
+		fmt.Println("no .env found path: ", *envFile)
+	}
+
+	devMode := env.InDevelopmentMode()
+	// set gin mode
+	if !devMode {
+		gin.SetMode(env.GinMode.GetValue())
+	}
+
+	workingDir := env.WorkingDir.GetValue()
+	spa := env.Spa.GetValue()
+
 	//change working directory only if value is given
-	if *workingDir != "." && *workingDir != "" {
-		os.Chdir(*workingDir)
+	if workingDir != "." && workingDir != "" {
+		os.Chdir(workingDir)
 	}
 
 	wd, err := os.Getwd()
@@ -55,7 +63,7 @@ func main() {
 		MaxSize:     1,
 		MaxBackup:   3,
 		MaxAge:      28,
-		Debug:       *debug,
+		Debug:       env.InDebugMode(),
 		TerminalOut: true,
 	})
 	if err != nil {
@@ -82,11 +90,11 @@ func main() {
 
 	//get local ip
 	httpString := "http://"
-	if *https {
+	if env.Https.GetBoolValue() {
 		httpString = "https://"
 
 	}
-	allowOrigins = append(allowOrigins, httpString+"localhost:9000", httpString+"localhost:9500", httpString+"127.0.0.1:9500", httpString+"0.0.0.0:9500")
+	allowOrigins = append(allowOrigins, httpString+"localhost:9000", httpString+"localhost:9500", httpString+"127.0.0.1:9000", httpString+"0.0.0.0:9500")
 
 	localIP, err := utils.GetLocalIP()
 	if err != nil {
@@ -153,7 +161,7 @@ func main() {
 	api.POST("/login/refresh", accessHandler.Refresh)
 
 	// Serve static files
-	s.Routes.StaticFS("/assets", gin.Dir(filepath.Join(*spa, "assets"), true))
+	s.Routes.StaticFS("/assets", gin.Dir(filepath.Join(spa, "assets"), true))
 	s.Routes.NoRoute(func(c *gin.Context) {
 		// Disallow fallback for /api paths
 		if strings.HasPrefix(c.Request.URL.Path, "/api") {
@@ -161,44 +169,44 @@ func main() {
 			return
 		}
 		// Try to serve file from SPA directory
-		filePath := filepath.Join(*spa, c.Request.URL.Path)
+		filePath := filepath.Join(spa, c.Request.URL.Path)
 		if _, err := os.Stat(filePath); err == nil {
 			c.File(filePath)
 			return
 		}
 		// Fallback to index.html for SPA routing
-		c.File(filepath.Join(*spa, "index.html"))
+		c.File(filepath.Join(spa, "index.html"))
 
 	})
 
 	go func() {
 		time.Sleep(500 * time.Millisecond)
-		if err := utils.OpenBrowser(fmt.Sprintf("%slocalhost:%d", httpString, *port), logger); err != nil {
+		if err := utils.OpenBrowser(fmt.Sprintf("%slocalhost:%s", httpString, env.Port.GetValue()), logger); err != nil {
 			logger.Error("main", fmt.Sprintf("starting browser error : %s", err))
 		}
 	}()
 
-	if *https {
-		if *sslFullchain == "" {
+	if env.Https.GetBoolValue() {
+		if env.Fullchain.GetValue() == "" {
 			logger.Error("ssl certificate", "-cert flag not given for https server")
 			log.Fatal("-cert flag not given for https server")
 		}
-		if *sslKey == "" {
+		if env.PrivKey.GetValue() == "" {
 			logger.Error("ssl key", "-chain flag not given for https server")
 			log.Fatal("-chain flag not given for https server")
 		}
 
 		// start https server
-		logger.Info("main", fmt.Sprintf("https listen on ip: %s port: %d", *ip, *port))
-		if err := s.ServeHttps(*ip, *port, cert.Cert{Organization: *organization, CertFile: *sslFullchain, KeyFile: *sslKey}); err != nil {
+		logger.Info("main", fmt.Sprintf("https listen on ip: %s port: %s", env.Url.GetValue(), env.Port.GetValue()))
+		if err := s.ServeHttps(env.Url.GetValue(), env.Port.GetUIntValue(), cert.Cert{Organization: *organization, CertFile: env.Fullchain.GetValue(), KeyFile: env.PrivKey.GetValue()}); err != nil {
 			logger.Error("main", "error https server "+err.Error())
 		}
 		return
 	}
 
 	// start http server
-	logger.Info("main", fmt.Sprintf("http listen on ip: %s port: %d", *ip, *port))
-	if err := s.ServeHttp(*ip, *port); err != nil {
+	logger.Info("main", fmt.Sprintf("http listen on ip: %s port: %s", env.Url.GetValue(), env.Port.GetValue()))
+	if err := s.ServeHttp(env.Url.GetValue(), env.Port.GetUIntValue()); err != nil {
 		logger.Error("main", "error http server "+err.Error())
 	}
 }

backend/models/rights.go

@@ -1,6 +0,0 @@
-package models
-
-// type Rights struct {
-// 	Name   string `json:"name"`
-// 	Rights int    `json:"rights"`
-// }

backend/models/role.go

@@ -1,11 +0,0 @@
-package models
-
-// type Role struct {
-// 	Id     int      `json:"id"`
-// 	Role   string   `json:"role"`
-// 	Rights []Rights `json:"rights"`
-// }
-
-// func (r *Role) IsValid() bool {
-// 	return r.Role != ""
-// }

backend/models/settings.go

@@ -1,11 +0,0 @@
-package models
-
-// type Settings struct {
-// 	PrimaryColor       string `json:"primaryColor,omitempty"`
-// 	PrimaryColorText   string `json:"primaryColorText,omitempty"`
-// 	SecondaryColor     string `json:"secondaryColor,omitempty"`
-// 	SecondaryColorText string `json:"secondaryColorText,omitempty"`
-// 	Icon               string `json:"icon,omitempty"`
-// 	DatabaseName       string `json:"databaseName,omitempty"`
-// 	DatabaseToken      string `json:"databaseToken,omitempty"`
-// }

backend/models/user.go

@@ -1,14 +0,0 @@
-package models
-
-// type User struct {
-// 	Id       int      `json:"id"`
-// 	Name     string   `json:"user"`
-// 	Email    string   `json:"email"`
-// 	Role     string   `json:"role"`
-// 	Password string   `json:"password,omitempty"`
-// 	Settings Settings `json:"settings"`
-// }
-
-// func (u *User) IsValid() bool {
-// 	return u.Name != ""
-// }