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package v2 |
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3
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import ( |
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4
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"net/http" |
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"sync" |
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6
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7
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"github.com/labstack/echo/v4" |
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"github.com/labstack/echo/v4/middleware" |
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"github.com/memnix/memnix-rest/cmd/v1/config" |
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) |
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var ( |
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instance *InstanceSingleton //nolint:gochecknoglobals //Singleton |
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once sync.Once //nolint:gochecknoglobals //Singleton |
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) |
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type InstanceSingleton struct { |
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echoInstance *echo.Echo |
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config ServerConfig |
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} |
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// ServerConfig holds the configuration for the server. |
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type ServerConfig struct { |
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Port string |
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AppVersion string |
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JaegerURL string |
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Host string |
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FrontendURL string |
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LogLevel string |
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} |
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// New returns a new Echo instance. |
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func GetEchoInstance() *echo.Echo { |
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return instance.echoInstance |
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} |
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func GetEchoSingleton() *InstanceSingleton { |
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once.Do(func() { |
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instance = &InstanceSingleton{} |
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instance.echoInstance = echo.New() |
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instance.registerMiddlewares(instance.echoInstance) |
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instance.registerStaticRoutes(instance.echoInstance) |
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instance.registerRoutes(instance.echoInstance) |
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}) |
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return instance |
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} |
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func CreateEchoInstance(config ServerConfig) *InstanceSingleton { |
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return GetEchoSingleton().WithConfig(config) |
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} |
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func (i *InstanceSingleton) Start() error { |
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if err := i.echoInstance.Start(":" + i.config.Port); err != nil { |
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return err |
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} |
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return nil |
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} |
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func (i *InstanceSingleton) WithConfig(config ServerConfig) *InstanceSingleton { |
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i.config = config |
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return i |
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} |
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func (i *InstanceSingleton) registerMiddlewares(e *echo.Echo) { |
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e.Use(middleware.CORSWithConfig(middleware.CORSConfig{ |
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AllowOrigins: []string{"http://localhost", i.config.FrontendURL, i.config.Host}, |
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AllowHeaders: []string{echo.HeaderOrigin, echo.HeaderContentType, echo.HeaderAccept}, |
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})) |
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// if debug |
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if config.IsDevelopment() { |
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e.Use(middleware.Logger()) |
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} |
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// e.Use(middleware.Recover()) |
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e.Use(middleware.Secure()) |
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middleware.CSRFWithConfig(middleware.CSRFConfig{ |
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TokenLookup: "cookie:_csrf", |
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CookiePath: "/", |
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CookieDomain: i.config.Host, |
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CookieSecure: true, |
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CookieHTTPOnly: true, |
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CookieSameSite: http.SameSiteStrictMode, |
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}) |
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} |
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memnix /
memnix-rest
