fix: refresh token activation (#1795)

* fix: oidc grant type check

* docs: add offline_access scope

* docs: update refresh token status in supported grant types

* fix: update oidc pkg

internal/api/oidc/client_converter.go

@@ -61,6 +61,10 @@ func (c *Client) ResponseTypes() []oidc.ResponseType {
 	return responseTypesToOIDC(c.OIDCResponseTypes)
 }
 
+func (c *Client) GrantTypes() []oidc.GrantType {
+	return grantTypesToOIDC(c.OIDCGrantTypes)
+}
+
 func (c *Client) DevMode() bool {
 	return c.ApplicationView.DevMode
 }
@@ -165,6 +169,27 @@ func responseTypeToOIDC(responseType model.OIDCResponseType) oidc.ResponseType {
 	}
 }
 
+func grantTypesToOIDC(grantTypes []model.OIDCGrantType) []oidc.GrantType {
+	oidcTypes := make([]oidc.GrantType, len(grantTypes))
+	for i, t := range grantTypes {
+		oidcTypes[i] = grantTypeToOIDC(t)
+	}
+	return oidcTypes
+}
+
+func grantTypeToOIDC(grantType model.OIDCGrantType) oidc.GrantType {
+	switch grantType {
+	case model.OIDCGrantTypeAuthorizationCode:
+		return oidc.GrantTypeCode
+	case model.OIDCGrantTypeImplicit:
+		return oidc.GrantTypeImplicit
+	case model.OIDCGrantTypeRefreshToken:
+		return oidc.GrantTypeRefreshToken
+	default:
+		return oidc.GrantTypeCode
+	}
+}
+
 func removeScopeWithPrefix(scopes []string, scopePrefix ...string) []string {
 	newScopeList := make([]string, 0)
 	for _, scope := range scopes {