CC-796: Remove dependency on unsupported version of go-oidc

sshgen/sshgen_test.go

@@ -4,8 +4,6 @@
 package sshgen
 
 import (
-	"crypto/rand"
-	"crypto/rsa"
 	"encoding/json"
 	"fmt"
 	"io"
@@ -18,8 +16,9 @@ import (
 	"testing"
 	"time"
 
-	"github.com/coreos/go-oidc/jose"
 	"github.com/stretchr/testify/assert"
+	"gopkg.in/square/go-jose.v2"
+	"gopkg.in/square/go-jose.v2/jwt"
 
 	"github.com/cloudflare/cloudflared/config"
 	cfpath "github.com/cloudflare/cloudflared/token"
@@ -97,22 +96,25 @@ func TestCertGenSuccess(t *testing.T) {
 }
 
 func tokenGenerator() string {
-	iat := time.Now().Unix()
-	exp := time.Now().Add(time.Minute * 5).Unix()
-	claims := jose.Claims{}
-	claims.Add("aud", audTest)
-	claims.Add("iat", iat)
-	claims.Add("nonce", nonceTest)
-	claims.Add("exp", exp)
+	iat := time.Now()
+	exp := time.Now().Add(time.Minute * 5)
 
-	k, err := rsa.GenerateKey(rand.Reader, 512)
+	claims := jwt.Claims{
+		Audience: jwt.Audience{audTest},
+		IssuedAt: jwt.NewNumericDate(iat),
+		Expiry:   jwt.NewNumericDate(exp),
+	}
+
+	key := []byte("secret")
+	signer, err := jose.NewSigner(jose.SigningKey{Algorithm: jose.HS256, Key: key}, (&jose.SignerOptions{}).WithType("JWT"))
 	if err != nil {
-		return ""
+		panic(err)
 	}
-	signer := jose.NewSignerRSA("asdf", *k)
-	token, terr := jose.NewSignedJWT(claims, signer)
-	if terr != nil {
-		return ""
+
+	signedToken, err := jwt.Signed(signer).Claims(claims).CompactSerialize()
+	if err != nil {
+		panic(err)
 	}
-	return token.Encode()
+
+	return signedToken
 }