feat: support different jwt scope claim strategies

.schema/config.schema.json

@@ -781,6 +781,18 @@
           "description": "Defines access token type. jwt is a bad idea, see https://www.ory.sh/docs/hydra/advanced#json-web-tokens",
           "enum": ["opaque", "jwt"],
           "default": "opaque"
+        },
+        "jwt": {
+          "type": "object",
+          "additionalProperties": false,
+          "properties": {
+            "scope_claim": {
+              "type": "string",
+              "description": "Defines how the scope claim is represented within a JWT access token",
+              "enum": ["list", "string", "both"],
+              "default": "list"
+            }
+          }
         }
       }
     },

Makefile

@@ -5,7 +5,7 @@ export PATH 					:= .bin:${PATH}
 export PWD 						:= $(shell pwd)
 export IMAGE_TAG 			:= $(if $(IMAGE_TAG),$(IMAGE_TAG),latest)
 
-GOLANGCI_LINT_VERSION = 1.53.2
+GOLANGCI_LINT_VERSION = 1.53.3
 
 GO_DEPENDENCIES = github.com/ory/go-acc \
 				  github.com/golang/mock/mockgen \

cmd/cmd_list_clients.go

@@ -31,6 +31,7 @@ func NewListClientsCmd() *cobra.Command {
 				return err
 			}
 
+			// nolint:bodyclose
 			list, resp, err := m.OAuth2Api.ListOAuth2Clients(cmd.Context()).PageSize(int64(pageSize)).PageToken(pageToken).Execute()
 			if err != nil {
 				return cmdx.PrintOpenAPIError(cmd, err)

driver/config/provider.go

@@ -79,6 +79,7 @@ const (
 	KeyAdminURL                                  = "urls.self.admin"
 	KeyIssuerURL                                 = "urls.self.issuer"
 	KeyAccessTokenStrategy                       = "strategies.access_token"
+	KeyJWTScopeClaimStrategy                     = "strategies.jwt.scope_claim"
 	KeyDBIgnoreUnknownTableColumns               = "db.ignore_unknown_table_columns"
 	KeySubjectIdentifierAlgorithmSalt            = "oidc.subject_identifiers.pairwise.salt"
 	KeyPublicAllowDynamicRegistration            = "oidc.dynamic_client_registration.enabled"

driver/config/provider_fosite.go

@@ -11,6 +11,7 @@ import (
 	"github.com/pkg/errors"
 
 	"github.com/ory/fosite"
+	"github.com/ory/fosite/token/jwt"
 	"github.com/ory/hydra/v2/x"
 )
 
@@ -89,6 +90,21 @@ func (p *DefaultProvider) GetScopeStrategy(ctx context.Context) fosite.ScopeStra
 	return fosite.ExactScopeStrategy
 }
 
+var _ fosite.JWTScopeFieldProvider = (*DefaultProvider)(nil)
+
+func (p *DefaultProvider) GetJWTScopeField(ctx context.Context) jwt.JWTScopeFieldEnum {
+	switch strings.ToLower(p.getProvider(ctx).String(KeyJWTScopeClaimStrategy)) {
+	case "string":
+		return jwt.JWTScopeFieldString
+	case "both":
+		return jwt.JWTScopeFieldBoth
+	case "list":
+		return jwt.JWTScopeFieldList
+	default:
+		return jwt.JWTScopeFieldUnset
+	}
+}
+
 func (p *DefaultProvider) GetUseLegacyErrorFormat(context.Context) bool {
 	return false
 }

driver/config/provider_test.go

@@ -14,6 +14,7 @@ import (
 	"testing"
 	"time"
 
+	"github.com/ory/fosite/token/jwt"
 	"github.com/ory/x/configx"
 	"github.com/ory/x/otelx"
 
@@ -305,6 +306,7 @@ func TestViperProviderValidates(t *testing.T) {
 	assert.False(t, c.GetScopeStrategy(ctx)([]string{"openid.*"}, "openid.email"), "should us fosite.ExactScopeStrategy")
 	assert.Equal(t, AccessTokenDefaultStrategy, c.AccessTokenStrategy(ctx))
 	assert.Equal(t, false, c.GrantAllClientCredentialsScopesPerDefault(ctx))
+	assert.Equal(t, jwt.JWTScopeFieldList, c.GetJWTScopeField(ctx))
 
 	// ttl
 	assert.Equal(t, 2*time.Hour, c.ConsentRequestMaxAge(ctx))
@@ -464,3 +466,19 @@ func TestJWTBearer(t *testing.T) {
 	assert.Equal(t, true, p2.GetGrantTypeJWTBearerIssuedDateOptional(ctx))
 	assert.Equal(t, true, p2.GetGrantTypeJWTBearerIDOptional(ctx))
 }
+
+func TestJWTScopeClaimStrategy(t *testing.T) {
+	l := logrusx.New("", "")
+	l.Logrus().SetOutput(io.Discard)
+	p := MustNew(context.Background(), l)
+
+	ctx := context.Background()
+
+	assert.Equal(t, jwt.JWTScopeFieldList, p.GetJWTScopeField(ctx))
+	p.MustSet(ctx, KeyJWTScopeClaimStrategy, "list")
+	assert.Equal(t, jwt.JWTScopeFieldList, p.GetJWTScopeField(ctx))
+	p.MustSet(ctx, KeyJWTScopeClaimStrategy, "string")
+	assert.Equal(t, jwt.JWTScopeFieldString, p.GetJWTScopeField(ctx))
+	p.MustSet(ctx, KeyJWTScopeClaimStrategy, "both")
+	assert.Equal(t, jwt.JWTScopeFieldBoth, p.GetJWTScopeField(ctx))
+}

fositex/config.go

@@ -189,7 +189,7 @@ func (c *Config) GetAccessTokenIssuer(ctx context.Context) string {
 }
 
 func (c *Config) GetJWTScopeField(ctx context.Context) jwt.JWTScopeFieldEnum {
-	return jwt.JWTScopeFieldList
+	return c.deps.Config().GetJWTScopeField(ctx)
 }
 
 func (c *Config) GetFormPostHTMLTemplate(ctx context.Context) *template.Template {

spec/config.json

@@ -781,6 +781,18 @@
           "description": "Defines access token type. jwt is a bad idea, see https://www.ory.sh/docs/hydra/advanced#json-web-tokens",
           "enum": ["opaque", "jwt"],
           "default": "opaque"
+        },
+        "jwt": {
+          "type": "object",
+          "additionalProperties": false,
+          "properties": {
+            "scope_claim": {
+              "type": "string",
+              "description": "Defines how the scope claim is represented within a JWT access token",
+              "enum": ["list", "string", "both"],
+              "default": "list"
+            }
+          }
         }
       }
     },