drop legacy

README.md

@@ -5,9 +5,7 @@
 The purpose of this package is to provide a
 [`jwt.Keyfunc`](https://pkg.go.dev/github.com/golang-jwt/jwt/v4#Keyfunc) for the
 [github.com/golang-jwt/jwt/v4](https://github.com/golang-jwt/jwt) package and its popular forks using a JSON Web Key Set
-(JWKs) for parsing and verifying JSON Web Tokens (JWTs). This
-was [formally](https://github.com/dgrijalva/jwt-go/issues/462)
-the [github.com/dgrijalva/jwt-go](https://github.com/dgrijalva/jwt-go) package.
+(JWKs) for parsing and verifying JSON Web Tokens (JWTs). 
 
 It's common for an identity provider, such as [Keycloak](https://www.keycloak.org/)
 or [Amazon Cognito (AWS)](https://aws.amazon.com/cognito/) to expose a JWKs via an HTTPS endpoint. This package has the
@@ -17,7 +15,6 @@ HTTPS to ensure the keys are from the correct trusted source.
 
 This repository has the following dependencies:
 * [github.com/golang-jwt/jwt/v4](https://github.com/golang-jwt/jwt)
-* [github.com/dgrijalva/jwt-go](https://github.com/dgrijalva/jwt-go)
 * [github.com/form3tech-oss/jwt-go](https://github.com/form3tech-oss/jwt-go)
 
 `jwt.Keyfunc` signatures are imported from these, implemented, then exported as methods.
@@ -154,12 +151,6 @@ jwtMiddleware := jwtmiddleware.New(jwtmiddleware.Options{
 })
 ```
 
-### Support for [github.com/dgrijalva/jwt-go](https://github.com/dgrijalva/jwt-go)
-This project originally only supported [github.com/dgrijalva/jwt-go](https://github.com/dgrijalva/jwt-go), but since it
-is no longer maintained, it's method was moved
-to [`JWKs.KeyfuncLegacy`](https://pkg.go.dev/github.com/MicahParks/keyfunc#JWKs.KeyfuncLegacy) if you have not moved to
-[github.com/golang-jwt/jwt/v4](https://github.com/golang-jwt/jwt) yet.
-
 ## Test coverage
 
 Test coverage is currently `>90%`.

examples/auth0middleware/go.sum

@@ -1,7 +1,5 @@
 github.com/auth0/go-jwt-middleware v1.0.1 h1:/fsQ4vRr4zod1wKReUH+0A3ySRjGiT9G34kypO/EKwI=
 github.com/auth0/go-jwt-middleware v1.0.1/go.mod h1:YSeUX3z6+TF2H+7padiEqNJ73Zy9vXW72U//IgN0BIM=
-github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
-github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/form3tech-oss/jwt-go v3.2.2+incompatible/go.mod h1:pbq4aXjuKjdthFRnoDwaVPLA+WlJuPGy+QneDUgJi2k=
 github.com/form3tech-oss/jwt-go v3.2.5+incompatible h1:/l4kBbb4/vGSsdtB5nUe8L7B9mImVMaBPw9L/0TBHU8=
 github.com/form3tech-oss/jwt-go v3.2.5+incompatible/go.mod h1:pbq4aXjuKjdthFRnoDwaVPLA+WlJuPGy+QneDUgJi2k=

go.mod

@@ -3,7 +3,6 @@ module github.com/MicahParks/keyfunc
 go 1.13
 
 require (
-	github.com/dgrijalva/jwt-go v3.2.0+incompatible
 	github.com/form3tech-oss/jwt-go v3.2.5+incompatible
 	github.com/golang-jwt/jwt/v4 v4.0.0
 )

go.sum

@@ -1,5 +1,3 @@
-github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
-github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/form3tech-oss/jwt-go v3.2.5+incompatible h1:/l4kBbb4/vGSsdtB5nUe8L7B9mImVMaBPw9L/0TBHU8=
 github.com/form3tech-oss/jwt-go v3.2.5+incompatible/go.mod h1:pbq4aXjuKjdthFRnoDwaVPLA+WlJuPGy+QneDUgJi2k=
 github.com/golang-jwt/jwt/v4 v4.0.0 h1:RAqyYixv1p7uEnocuy8P1nru5wprCh/MH2BIlW5z5/o=

jwks_test.go

@@ -14,7 +14,6 @@ import (
 	"testing"
 	"time"
 
-	jwtLegacy "github.com/dgrijalva/jwt-go"
 	jwtF3T "github.com/form3tech-oss/jwt-go"
 	"github.com/golang-jwt/jwt/v4"
 
@@ -177,13 +176,6 @@ func TestJWKs(t *testing.T) {
 					}
 				}
 
-				// Use the JWKs jwt.Keyfunc to parse the token for supported forks.
-				if _, err = jwtLegacy.Parse(tc.token, jwks.KeyfuncLegacy); err != nil {
-					if errors.Is(err, jwt.ErrInvalidKeyType) {
-						t.Errorf("Invaild key type selected for legacy.\nError: %s", err.Error())
-						t.FailNow()
-					}
-				}
 				if _, err = jwtF3T.Parse(tc.token, jwks.KeyfuncF3T); err != nil {
 					if errors.Is(err, jwt.ErrInvalidKeyType) {
 						t.Errorf("Invaild key type selected for F3T.\nError: %s", err.Error())

keyfunc.go

@@ -4,7 +4,6 @@ import (
 	"errors"
 	"fmt"
 
-	legacy "github.com/dgrijalva/jwt-go"
 	f3t "github.com/form3tech-oss/jwt-go"
 	"github.com/golang-jwt/jwt/v4"
 )
@@ -71,17 +70,3 @@ func (j *JWKs) KeyfuncF3T(f3tToken *f3t.Token) (interface{}, error) {
 	}
 	return j.Keyfunc(token)
 }
-
-// KeyfuncLegacy is a compatibility function that matches the signature of the legacy github.com/dgrijalva/jwt-go's
-// Keyfunc function.
-func (j *JWKs) KeyfuncLegacy(legacyToken *legacy.Token) (interface{}, error) {
-	token := &jwt.Token{
-		Raw:       legacyToken.Raw,
-		Method:    legacyToken.Method,
-		Header:    legacyToken.Header,
-		Claims:    legacyToken.Claims,
-		Signature: legacyToken.Signature,
-		Valid:     legacyToken.Valid,
-	}
-	return j.Keyfunc(token)
-}