CORS middleware for Fiber that that can be used to enable Cross-Origin Resource Sharing with various options.
func New(config ...Config) fiber.Handler
Import the middleware package that is part of the Fiber web framework
import ("github.com/gofiber/fiber/v2""github.com/gofiber/fiber/v2/middleware/cors")
After you initiate your Fiber app, you can use the following possibilities:
// Default configapp.Use(cors.New())// Or extend your config for customizationapp.Use(cors.New(cors.Config{AllowOrigins: "https://gofiber.io, https://gofiber.net",AllowHeaders: "Origin, Content-Type, Accept",}))
// Config defines the config for middleware.type Config struct {// Next defines a function to skip this middleware when returned true.//// Optional. Default: nilNext func(c *fiber.Ctx) bool// AllowOrigin defines a list of origins that may access the resource.//// Optional. Default value "*"AllowOrigins string// AllowMethods defines a list methods allowed when accessing the resource.// This is used in response to a preflight request.//// Optional. Default value "GET,POST,HEAD,PUT,DELETE,PATCH"AllowMethods string// AllowHeaders defines a list of request headers that can be used when// making the actual request. This is in response to a preflight request.//// Optional. Default value "".AllowHeaders string// AllowCredentials indicates whether or not the response to the request// can be exposed when the credentials flag is true. When used as part of// a response to a preflight request, this indicates whether or not the// actual request can be made using credentials.//// Optional. Default value false.AllowCredentials bool// ExposeHeaders defines a whitelist headers that clients are allowed to// access.//// Optional. Default value "".ExposeHeaders string// MaxAge indicates how long (in seconds) the results of a preflight request// can be cached.//// Optional. Default value 0.MaxAge int}
var ConfigDefault = Config{Next: nil,AllowOrigins: "*",AllowMethods: "GET,POST,HEAD,PUT,DELETE,PATCH",AllowHeaders: "",AllowCredentials: false,ExposeHeaders: "",MaxAge: 0,}