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// iris provides some basic middleware, most for your learning courve.
// You can use any net/http compatible middleware with iris.FromStd wrapper.
// JWT net/http video tutorial for golang newcomers:
// This middleware is the only one cloned from external source:
// (because it used "context" to define the user but we don't need that so a simple iris.FromStd wouldn't work as expected.)
package main
// $ go get -u
// $ go run main.go
import (
jwtmiddleware ""
func myHandler(ctx iris.Context) {
user := ctx.Values().Get("jwt").(*jwt.Token)
ctx.Writef("This is an authenticated request\n")
ctx.Writef("Claim content:\n")
ctx.Writef("%s", user.Signature)
func main() {
app := iris.New()
jwtHandler := jwtmiddleware.New(jwtmiddleware.Config{
ValidationKeyGetter: func(token *jwt.Token) (interface{}, error) {
return []byte("My Secret"), nil
// When set, the middleware verifies that tokens are signed with the specific signing algorithm
// If the signing method is not constant the ValidationKeyGetter callback can be used to implement additional checks
// Important to avoid security issues described here:
SigningMethod: jwt.SigningMethodHS256,
app.Get("/ping", myHandler)
} // don't forget to look ../jwt_test.go to seee how to set your own custom claims