authenticate.go

/*
	Copyright NetFoundry Inc.

	Licensed under the Apache License, Version 2.0 (the "License");
	you may not use this file except in compliance with the License.
	You may obtain a copy of the License at

	https://www.apache.org/licenses/LICENSE-2.0

	Unless required by applicable law or agreed to in writing, software
	distributed under the License is distributed on an "AS IS" BASIS,
	WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	See the License for the specific language governing permissions and
	limitations under the License.
*/

package tests

import (
	"crypto"
	"crypto/ecdsa"
	"crypto/elliptic"
	"crypto/rand"
	"crypto/tls"
	"crypto/x509"
	"crypto/x509/pkix"
	"encoding/json"
	"fmt"
	"github.com/Jeffail/gabs"
	"github.com/michaelquigley/pfxlog"
	"github.com/openziti/edge-api/rest_model"
	"github.com/openziti/edge/controller/env"
	"github.com/openziti/edge/eid"
	"github.com/openziti/edge/internal/cert"
	"github.com/openziti/foundation/v2/stringz"
	"github.com/openziti/sdk-golang/ziti"
	"github.com/pkg/errors"
	"gopkg.in/resty.v1"
	"math/big"
	"net/http"
	"net/url"
	"sort"
	"time"
)

type authenticator interface {
	Authenticate(ctx *TestContext, apiPath string) (*session, error)
	RequireAuthenticate(ctx *TestContext, apiPath string) *session

	AuthenticateManagementApi(ctx *TestContext) (*session, error)
	RequireAuthenticateManagementApi(ctx *TestContext) *session

	AuthenticateClientApi(ctx *TestContext) (*session, error)
	RequireAuthenticateClientApi(ctx *TestContext) *session
}

const (
	EdgeClientApiPath     = "/edge/client/v1"
	EdgeManagementApiPath = "/edge/management/v1"
)

var _ authenticator = &certAuthenticator{}

type certAuthenticator struct {
	cert    *x509.Certificate
	key     crypto.PrivateKey
	certPem string
}

func (authenticator *certAuthenticator) RequireAuthenticateManagementApi(ctx *TestContext) *session {
	session, err := authenticator.AuthenticateManagementApi(ctx)
	ctx.Req.NoError(err)
	return session
}

func (authenticator *certAuthenticator) AuthenticateManagementApi(ctx *TestContext) (*session, error) {
	return authenticator.Authenticate(ctx, EdgeManagementApiPath)
}

func (authenticator *certAuthenticator) RequireAuthenticateClientApi(ctx *TestContext) *session {
	session, err := authenticator.AuthenticateClientApi(ctx)
	ctx.Req.NoError(err)
	return session
}

func (authenticator *certAuthenticator) AuthenticateClientApi(ctx *TestContext) (*session, error) {
	return authenticator.Authenticate(ctx, EdgeClientApiPath)
}

func (authenticator *certAuthenticator) RequireAuthenticate(ctx *TestContext, apiPath string) *session {
	session, err := authenticator.Authenticate(ctx, apiPath)
	ctx.Req.NoError(err)
	return session
}

func (authenticator *certAuthenticator) Authenticate(ctx *TestContext, apiPath string) (*session, error) {
	sess := &session{
		authenticator: authenticator,
		testContext:   ctx,
		apiPath:       apiPath,
	}

	sess.authenticatedRequests = authenticatedRequests{
		testContext: ctx,
		session:     sess,
	}

	transport := ctx.NewTransport()
	transport.TLSClientConfig.Certificates = []tls.Certificate{
		{
			Certificate: [][]byte{authenticator.cert.Raw},
			PrivateKey:  authenticator.key,
		},
	}
	sess.client = resty.NewWithClient(ctx.NewHttpClient(transport))

	resolvedUrl, err := sess.resolveApiUrl(ctx.ApiHost, apiPath)
	if err != nil {
		return nil, err
	}

	sess.client.SetHostURL(resolvedUrl)

	apiSession := &rest_model.CurrentAPISessionDetail{}

	envelope := &rest_model.CurrentAPISessionDetailEnvelope{
		Data: apiSession,
		Meta: &rest_model.Meta{},
	}
	resp, err := sess.client.R().
		SetResult(envelope).
		SetHeader("content-type", "application/json").
		Post("authenticate?method=cert")

	if err != nil {
		return nil, errors.Errorf("failed to authenticate via CERT: %s", err)
	}

	if resp.StatusCode() != http.StatusOK {
		return nil, errors.Errorf("failed to authenticate via CERT: invalid response code encountered, got %d, expected %d: %s", resp.StatusCode(), http.StatusOK, string(resp.Body()))
	}

	sess.AuthResponse = apiSession
	sess.lastServiceUpdate = time.Time(*apiSession.CreatedAt)

	return sess, nil
}

func (authenticator *certAuthenticator) TLSCertificates() []tls.Certificate {
	return []tls.Certificate{
		{
			Certificate: [][]byte{authenticator.cert.Raw},
			PrivateKey:  authenticator.key,
		},
	}
}

func (authenticator *certAuthenticator) Fingerprint() string {
	return cert.NewFingerprintGenerator().FromRaw(authenticator.cert.Raw)
}

var _ authenticator = &updbAuthenticator{}

type updbAuthenticator struct {
	Username    string
	Password    string
	ConfigTypes []string
}

func (authenticator *updbAuthenticator) RequireAuthenticateManagementApi(ctx *TestContext) *session {
	session, err := authenticator.AuthenticateManagementApi(ctx)
	ctx.Req.NoError(err)

	return session
}

func (authenticator *updbAuthenticator) AuthenticateManagementApi(ctx *TestContext) (*session, error) {
	return authenticator.Authenticate(ctx, EdgeManagementApiPath)
}

func (authenticator *updbAuthenticator) RequireAuthenticateClientApi(ctx *TestContext) *session {
	session, err := authenticator.AuthenticateClientApi(ctx)
	ctx.Req.NoError(err)

	return session
}

func (authenticator *updbAuthenticator) AuthenticateClientApi(ctx *TestContext) (*session, error) {
	return authenticator.Authenticate(ctx, EdgeClientApiPath)
}

func (authenticator *updbAuthenticator) RequireAuthenticate(ctx *TestContext, apiPath string) *session {
	session, err := authenticator.Authenticate(ctx, apiPath)
	ctx.Req.NoError(err)

	return session
}

func (authenticator *updbAuthenticator) Authenticate(ctx *TestContext, apiPath string) (*session, error) {
	sess := &session{
		authenticator: authenticator,
		testContext:   ctx,
		apiPath:       apiPath,
		client:        ctx.NewRestClientWithDefaults(),
	}

	sess.authenticatedRequests = authenticatedRequests{
		testContext: ctx,
		session:     sess,
	}

	resolvedUrl, err := sess.resolveApiUrl(ctx.ApiHost, apiPath)
	if err != nil {
		return nil, err
	}

	sess.client.SetHostURL(resolvedUrl)

	body := gabs.New()
	_, _ = body.SetP(authenticator.Username, "username")
	_, _ = body.SetP(authenticator.Password, "password")
	if len(authenticator.ConfigTypes) > 0 {
		_, _ = body.SetP(authenticator.ConfigTypes, "configTypes")
	}

	apiSession := &rest_model.CurrentAPISessionDetail{}

	envelope := &rest_model.CurrentAPISessionDetailEnvelope{
		Data: apiSession,
		Meta: &rest_model.Meta{},
	}

	resp, err := sess.client.R().
		SetHeader("content-type", "application/json").
		SetBody(body.String()).
		SetResult(envelope).
		Post("authenticate?method=password")

	if err != nil {
		return nil, errors.Errorf("failed to authenticate via UPDB as %v: %s", authenticator, err)
	}

	if resp.StatusCode() != http.StatusOK {
		return nil, errors.Errorf("failed to authenticate via UPDB as %v: invalid response code encountered, got %d, expected %d", authenticator, resp.StatusCode(), http.StatusOK)
	}

	sess.AuthResponse = apiSession
	sess.lastServiceUpdate = time.Time(*apiSession.CreatedAt)

	return sess, nil
}

type session struct {
	authenticator authenticator
	testContext   *TestContext
	baseUrl       string
	authenticatedRequests
	apiPath           string
	client            *resty.Client
	AuthResponse      *rest_model.CurrentAPISessionDetail
	lastServiceUpdate time.Time
}

// Clone allows a session to be cloned with a new internal Resty Client that targets another API. Useful for
// cross API security testing. Clone does not authenticate. It attempts to use the token in the source
// session. If the session is not authenticated, then the cloned result is not authenticated as well.
func (sess *session) Clone(ctx *TestContext, apiPath string) (*session, error) {
	clone := &session{
		authenticator:     sess.authenticator,
		AuthResponse:      sess.AuthResponse,
		testContext:       sess.testContext,
		baseUrl:           sess.baseUrl,
		apiPath:           apiPath,
		lastServiceUpdate: sess.lastServiceUpdate,
		client:            resty.NewWithClient(sess.client.GetClient()),
	}

	clone.authenticatedRequests = authenticatedRequests{
		testContext: ctx,
		session:     clone,
	}

	resolvedUrl, err := sess.resolveApiUrl(ctx.ApiHost, apiPath)

	if err != nil {
		return nil, err
	}

	clone.client.SetHostURL(resolvedUrl)

	return clone, nil
}

// CloneToClientApi is a helper function to clone a session (most likely from the Management API) to the Client API.
// See Clone for details.
func (sess *session) CloneToClientApi(ctx *TestContext) (*session, error) {
	return sess.Clone(ctx, EdgeClientApiPath)
}

// CloneToManagementApi is a helper function to clone a session (most likely from the Client API) to the Management API.
// See Clone for details.
func (sess *session) CloneToManagementApi(ctx *TestContext) (*session, error) {
	return sess.Clone(ctx, EdgeManagementApiPath)
}

func (sess *session) NewRequest() *resty.Request {
	if sess.AuthResponse != nil && sess.AuthResponse.Token != nil {
		return sess.client.R().SetHeader(env.ZitiSession, *sess.AuthResponse.Token)
	}

	return sess.client.R()

}

// resolveApiUrl takes a URL prefix, apiHost, in the format of "https://domain:port" and joins
// it with apiPath. apiPath may be a relative path.
func (sess *session) resolveApiUrl(apiHost string, apiPath string) (string, error) {
	hostUrl, err := url.Parse("https://" + apiHost)

	if err != nil {
		return "", err
	}

	pathUrl, err := url.Parse(apiPath)

	if err != nil {
		return "", err
	}

	resolvedUrl := hostUrl.ResolveReference(pathUrl)

	return resolvedUrl.String(), nil
}

func (sess *session) logout() error {
	resp, err := sess.NewRequest().Delete("current-api-session")

	if err != nil {
		return err
	}

	if resp.StatusCode() != http.StatusOK {
		return errors.Errorf("could not delete current session %s for logout: got status code %d expected %d", *sess.AuthResponse.Token, resp.StatusCode(), http.StatusOK)
	}

	return nil
}

type authenticatedRequests struct {
	testContext *TestContext
	session     *session
}

func (request *authenticatedRequests) newAuthenticatedRequest() *resty.Request {
	return request.session.NewRequest().SetHeader("content-type", "application/json")
}

func (request *authenticatedRequests) newAuthenticatedRequestWithBody(body interface{}) *resty.Request {
	return request.session.NewRequest().
		SetHeader("content-type", "application/json").
		SetBody(body)
}

func (request *authenticatedRequests) RequireCreateSdkContext(roleAttributes ...string) (*identity, ziti.Context) {
	identity := request.RequireNewIdentityWithOtt(false, roleAttributes...)
	identity.config = request.testContext.EnrollIdentity(identity.Id)

	context, err := ziti.NewContext(identity.config)

	if err != nil {
		pfxlog.Logger().Fatalf("could not create new context with config: %v", err)
	}

	return identity, context
}

func (request *authenticatedRequests) requireCreateIdentity(name string, isAdmin bool, rolesAttributes ...string) string {
	entityData := gabs.New()
	request.testContext.setJsonValue(entityData, name, "name")
	request.testContext.setJsonValue(entityData, "User", "type")
	request.testContext.setJsonValue(entityData, isAdmin, "isAdmin")
	request.testContext.setJsonValue(entityData, rolesAttributes, "roleAttributes")

	enrollments := map[string]interface{}{}
	request.testContext.setJsonValue(entityData, enrollments, "enrollment")

	entityJson := entityData.String()
	resp := request.createEntityOfType("identities", entityJson)
	request.testContext.Req.Equal(http.StatusCreated, resp.StatusCode())
	id := request.testContext.getEntityId(resp.Body())
	return id
}

type postureResponseDomain struct {
	Id     string `json:"id"`
	TypeId string `json:"typeId"`
	Domain string `json:"domain"`
}

func (request *authenticatedRequests) requireNewPostureResponseDomain(postureCheckId, domain string) {
	entity := &postureResponseDomain{
		Id:     postureCheckId,
		TypeId: "DOMAIN",
		Domain: domain,
	}

	entityJson, err := json.Marshal(entity)
	request.testContext.Req.NoError(err)

	resp, err := request.newAuthenticatedRequest().
		SetBody(entityJson).
		Post("posture-response")

	request.testContext.Req.NoError(err)
	request.testContext.logJson(resp.Body())

	request.testContext.Req.Equal(http.StatusCreated, resp.StatusCode())
}

func (request *authenticatedRequests) requireNewPostureResponseBulkDomain(postureCheckId, domain string) {
	entity := &postureResponseDomain{
		Id:     postureCheckId,
		TypeId: "DOMAIN",
		Domain: domain,
	}

	entityJson, err := json.Marshal([]*postureResponseDomain{entity})
	request.testContext.Req.NoError(err)

	resp, err := request.newAuthenticatedRequest().
		SetBody(entityJson).
		Post("posture-response-bulk")

	request.testContext.Req.NoError(err)
	request.testContext.logJson(resp.Body())

	request.testContext.Req.Equal(http.StatusCreated, resp.StatusCode())
}

type SessionRequest struct {
	ServiceId string `json:"serviceId"`
}

func (request *authenticatedRequests) requireNewSession(serviceId string) string {
	resp, err := request.createNewSession(serviceId)
	request.testContext.Req.NoError(err)
	request.testContext.logJson(resp.Body())

	request.testContext.Req.Equal(http.StatusCreated, resp.StatusCode())

	return request.testContext.getEntityId(resp.Body())
}

func (request *authenticatedRequests) createNewSession(serviceId string) (*resty.Response, error) {
	entity := &SessionRequest{
		ServiceId: serviceId,
	}
	entityJson, err := json.Marshal(entity)
	request.testContext.Req.NoError(err)

	return request.newAuthenticatedRequest().
		SetBody(entityJson).
		Post("sessions")
}

func (request *authenticatedRequests) requireCreateIdentityWithUpdbEnrollment(name string, password string, isAdmin bool, rolesAttributes ...string) (*identity, *updbAuthenticator) {
	userAuth := &updbAuthenticator{
		Username: name,
		Password: password,
	}

	identity := &identity{
		name:         name,
		identityType: "User",
		isAdmin:      isAdmin,
		enrollment: map[string]interface{}{
			"updb": name,
		},
		roleAttributes: rolesAttributes,
	}

	request.requireCreateEntity(identity)
	request.testContext.completeUpdbEnrollment(identity.Id, password)
	return identity, userAuth
}

func (request *authenticatedRequests) requireCreateIdentityOttEnrollment(name string, isAdmin bool, rolesAttributes ...string) (string, *certAuthenticator) {
	entityData := gabs.New()
	request.testContext.setJsonValue(entityData, name, "name")
	request.testContext.setJsonValue(entityData, "User", "type")
	request.testContext.setJsonValue(entityData, isAdmin, "isAdmin")
	request.testContext.setJsonValue(entityData, rolesAttributes, "roleAttributes")

	enrollments := map[string]interface{}{
		"ott": true,
	}
	request.testContext.setJsonValue(entityData, enrollments, "enrollment")

	entityJson := entityData.String()
	resp := request.createEntityOfType("identities", entityJson)
	request.testContext.Req.Equal(http.StatusCreated, resp.StatusCode())
	id := request.testContext.getEntityId(resp.Body())
	return id, request.testContext.completeOttEnrollment(id)
}

func (request *authenticatedRequests) requireCreateIdentityOttEnrollmentUnfinished(name string, isAdmin bool, rolesAttributes ...string) string {
	entityData := gabs.New()
	request.testContext.setJsonValue(entityData, name, "name")
	request.testContext.setJsonValue(entityData, "User", "type")
	request.testContext.setJsonValue(entityData, isAdmin, "isAdmin")
	request.testContext.setJsonValue(entityData, rolesAttributes, "roleAttributes")

	enrollments := map[string]interface{}{
		"ott": true,
	}
	request.testContext.setJsonValue(entityData, enrollments, "enrollment")

	entityJson := entityData.String()
	resp := request.createEntityOfType("identities", entityJson)
	request.testContext.Req.Equal(http.StatusCreated, resp.StatusCode())
	id := request.testContext.getEntityId(resp.Body())
	request.testContext.Req.NotEmpty(id)
	return id
}

func (request *authenticatedRequests) requireNewPostureCheckDomain(domains []string, roleAttributes []string) *postureCheckDomain {
	postureCheck := request.testContext.newPostureCheckDomain(domains, roleAttributes)
	request.requireCreateEntity(postureCheck)
	return postureCheck
}

func (request *authenticatedRequests) requireNewPostureCheckProcessMulti(semantic rest_model.Semantic, processes []*rest_model.ProcessMulti, roleAttributes []string) *rest_model.PostureCheckProcessMultiDetail {
	postureCheck := request.testContext.newPostureCheckProcessMulti(semantic, processes, roleAttributes)
	id := request.requireCreateRestModelEntity("posture-checks", postureCheck)

	ret := &rest_model.PostureCheckProcessMultiDetail{
		Processes: postureCheck.Processes,
		Semantic:  postureCheck.Semantic,
	}

	ret.SetName(postureCheck.Name())
	ret.SetTypeID(string(postureCheck.TypeID()))
	ret.SetID(&id)
	ret.SetRoleAttributes(postureCheck.RoleAttributes())

	return ret
}

func (request *authenticatedRequests) requireNewService(roleAttributes, configs []string) *service {
	service := request.testContext.newService(roleAttributes, configs)
	id := request.requireCreateEntity(service)
	service.Id = id
	return service
}

func (request *authenticatedRequests) RequireNewServiceAccessibleToAll(terminatorStrategy string) *service {
	request.requireNewServicePolicy("Dial", s("#all"), s("#all"), nil)
	request.requireNewServicePolicy("Bind", s("#all"), s("#all"), nil)
	request.requireNewEdgeRouterPolicy(s("#all"), s("#all"))
	request.requireNewServiceEdgeRouterPolicy(s("#all"), s("#all"))

	service := request.testContext.newService(nil, nil)
	service.terminatorStrategy = terminatorStrategy
	request.requireCreateEntity(service)

	return service
}

func (request *authenticatedRequests) requireNewTerminator(serviceId, routerId, binding, address string) *terminator {
	terminator := request.testContext.newTerminator(serviceId, routerId, binding, address)
	request.requireCreateEntity(terminator)
	return terminator
}

func (request *authenticatedRequests) requireNewEdgeRouter(roleAttributes ...string) *edgeRouter {
	edgeRouter := newTestEdgeRouter(roleAttributes...)
	request.requireCreateEntity(edgeRouter)
	return edgeRouter
}

func (request *authenticatedRequests) requireNewTunnelerEnabledEdgeRouter(roleAttributes ...string) *edgeRouter {
	edgeRouter := newTestEdgeRouter(roleAttributes...)
	edgeRouter.isTunnelerEnabled = true
	request.requireCreateEntity(edgeRouter)
	return edgeRouter
}

func (request *authenticatedRequests) requireNewTransitRouter() *transitRouter {
	transitRouter := newTestTransitRouter()
	request.requireCreateEntity(transitRouter)
	return transitRouter
}

func (request *authenticatedRequests) requireNewServicePolicy(policyType string, serviceRoles, identityRoles, postureCheckRoles []string) *servicePolicy {
	policy := newServicePolicy(policyType, "AllOf", serviceRoles, identityRoles, postureCheckRoles)
	request.requireCreateEntity(policy)
	return policy
}

func (request *authenticatedRequests) requireNewServicePolicyWithSemantic(policyType string, semantic string, serviceRoles, identityRoles, postureCheckRoles []string) *servicePolicy {
	policy := newServicePolicy(policyType, semantic, serviceRoles, identityRoles, postureCheckRoles)
	request.requireCreateEntity(policy)
	return policy
}

func (request *authenticatedRequests) requireNewEdgeRouterPolicy(edgeRouterRoles, identityRoles []string) *edgeRouterPolicy {
	policy := newEdgeRouterPolicy("AllOf", edgeRouterRoles, identityRoles)
	request.requireCreateEntity(policy)
	return policy
}

func (request *authenticatedRequests) requireNewEdgeRouterPolicyWithSemantic(semantic string, edgeRouterRoles, identityRoles []string) *edgeRouterPolicy {
	policy := newEdgeRouterPolicy(semantic, edgeRouterRoles, identityRoles)
	request.requireCreateEntity(policy)
	return policy
}

func (request *authenticatedRequests) requireNewServiceEdgeRouterPolicy(edgeRouterRoles, serviceRoles []string) *serviceEdgeRouterPolicy {
	policy := newServiceEdgeRouterPolicy("AllOf", edgeRouterRoles, serviceRoles)
	request.requireCreateEntity(policy)
	return policy
}

func (request *authenticatedRequests) requireNewServiceEdgeRouterPolicyWithSemantic(semantic string, edgeRouterRoles, identityRoles []string) *serviceEdgeRouterPolicy {
	policy := newServiceEdgeRouterPolicy(semantic, edgeRouterRoles, identityRoles)
	request.requireCreateEntity(policy)
	return policy
}

func (request *authenticatedRequests) requireNewIdentity(isAdmin bool, roleAttributes ...string) *identity {
	identity := newTestIdentity(isAdmin, roleAttributes...)
	request.requireCreateEntity(identity)
	return identity
}

func (request *authenticatedRequests) RequireNewIdentityWithOtt(isAdmin bool, roleAttributes ...string) *identity {
	identity := newTestIdentity(isAdmin, roleAttributes...)
	identity.enrollment = map[string]interface{}{"ott": true}
	request.requireCreateEntity(identity)
	return identity
}

func (request *authenticatedRequests) RequireNewIdentityWithCaOtt(isAdmin bool, caId string, roleAttributes ...string) *identity {
	identity := newTestIdentity(isAdmin, roleAttributes...)
	identity.enrollment = map[string]interface{}{"ottca": caId}
	request.requireCreateEntity(identity)
	return identity
}

func (request *authenticatedRequests) requireCreateEntity(entity entity) string {
	resp := request.createEntity(entity)
	standardJsonResponseTests(resp, http.StatusCreated, request.testContext.testing)
	id := request.testContext.getEntityId(resp.Body())
	entity.setId(id)
	return id
}

type JsonMarshallable interface {
	MarshalJSON() ([]byte, error)
}

func (request *authenticatedRequests) requireCreateRestModelEntity(path string, entity JsonMarshallable) string {
	body, err := entity.MarshalJSON()
	request.testContext.Req.NoError(err)

	resp, err := request.newAuthenticatedRequest().SetBody(body).Post(path)
	request.testContext.Req.NoError(err)

	standardJsonResponseTests(resp, http.StatusCreated, request.testContext.testing)

	id := request.testContext.getEntityId(resp.Body())

	return id
}

func (request *authenticatedRequests) requireCreateRestModelPostureResponse(entity JsonMarshallable) {
	body, err := entity.MarshalJSON()
	request.testContext.Req.NoError(err)

	resp, err := request.newAuthenticatedRequest().SetBody(body).Post("posture-response")
	request.testContext.Req.NoError(err)

	standardJsonResponseTests(resp, http.StatusCreated, request.testContext.testing)
}

func (request *authenticatedRequests) requireDeleteEntity(entity entity) {
	resp := request.deleteEntityOfType(entity.getEntityType(), entity.getId())
	standardJsonResponseTests(resp, http.StatusOK, request.testContext.testing)
}

func (request *authenticatedRequests) requireUpdateEntity(entity entity) {
	resp := request.updateEntity(entity)
	standardJsonResponseTests(resp, http.StatusOK, request.testContext.testing)
}

func (request *authenticatedRequests) requireList(url string) []string {
	httpStatus, body := request.query(url)
	request.testContext.logJson(body)
	request.testContext.Req.Equal(http.StatusOK, httpStatus)
	jsonBody := request.testContext.parseJson(body)
	values := request.testContext.RequireGetNonNilPathValue(jsonBody, "data")

	var result []string
	children, err := values.Children()
	request.testContext.Req.NoError(err)
	for _, child := range children {
		val, ok := child.Data().(string)
		request.testContext.Req.True(ok)
		result = append(result, val)
	}
	return result
}

func (request *authenticatedRequests) requireQuery(url string) *gabs.Container {
	httpStatus, body := request.query(url)
	request.testContext.logJson(body)
	request.testContext.Req.Equal(http.StatusOK, httpStatus)
	return request.testContext.parseJson(body)
}

func (request *authenticatedRequests) createEntityOfType(entityType string, body interface{}) *resty.Response {
	resp, err := request.newAuthenticatedRequest().
		SetBody(body).
		Post(entityType)

	request.testContext.Req.NoError(err)
	request.testContext.logJson(resp.Body())
	return resp
}

type serviceConfig struct {
	ServiceId string `json:"serviceId"`
	ConfigId  string `json:"configId"`
}

type sortableServiceConfigSlice []serviceConfig

func (s sortableServiceConfigSlice) Len() int {
	return len(s)
}

func (s sortableServiceConfigSlice) Less(i, j int) bool {
	return s[i].ServiceId < s[j].ServiceId || (s[i].ServiceId == s[j].ServiceId && s[i].ConfigId < s[j].ConfigId)
}

func (s sortableServiceConfigSlice) Swap(i, j int) {
	val := s[i]
	s[i] = s[j]
	s[j] = val
}

func (request *authenticatedRequests) requireAssignIdentityServiceConfigs(identityId string, serviceConfigs ...serviceConfig) {
	httpStatus, _ := request.updateIdentityServiceConfigs(resty.MethodPost, identityId, serviceConfigs)
	request.testContext.Req.Equal(http.StatusOK, httpStatus)
}

func (request *authenticatedRequests) requireRemoveIdentityServiceConfigs(identityId string, serviceConfigs ...serviceConfig) {
	httpStatus, _ := request.updateIdentityServiceConfigs(resty.MethodDelete, identityId, serviceConfigs)
	request.testContext.Req.Equal(http.StatusOK, httpStatus)
}

func (request *authenticatedRequests) listIdentityServiceConfigs(identityId string) []serviceConfig {
	jsonBody := request.requireQuery("identities/" + identityId + "/service-configs")
	data := request.testContext.RequireGetNonNilPathValue(jsonBody, "data")
	var children []*gabs.Container
	if data.Data() != nil {
		var err error
		children, err = data.Children()
		request.testContext.Req.NoError(err)
	}
	var result []serviceConfig
	for _, child := range children {
		service := request.testContext.requireString(child, "serviceId")
		config := request.testContext.requireString(child, "configId")
		result = append(result, serviceConfig{
			ServiceId: service,
			ConfigId:  config,
		})
	}
	sort.Sort(sortableServiceConfigSlice(result))
	return result
}

func (request *authenticatedRequests) updateIdentityServiceConfigs(method string, identityId string, serviceConfigs []serviceConfig) (int, []byte) {
	req := request.newAuthenticatedRequest()
	if len(serviceConfigs) > 0 {
		body, err := json.MarshalIndent(serviceConfigs, "", "   ")
		request.testContext.Req.NoError(err)
		if request.testContext.enabledJsonLogging {
			pfxlog.Logger().Trace(string(body))
		}
		req.SetBody(body)
	}

	resp, err := req.Execute(method, "identities/"+identityId+"/service-configs")

	request.testContext.Req.NoError(err)
	request.testContext.logJson(resp.Body())
	return resp.StatusCode(), resp.Body()
}

func (request *authenticatedRequests) createEntity(entity entity) *resty.Response {
	return request.createEntityOfType(entity.getEntityType(), entity.toJson(true, request.testContext))
}

func (request *authenticatedRequests) deleteEntityOfType(entityType string, id string) *resty.Response {
	resp, err := request.newAuthenticatedRequest().Delete(entityType + "/" + id)

	request.testContext.Req.NoError(err)
	request.testContext.logJson(resp.Body())

	return resp
}

func (request *authenticatedRequests) updateEntity(entity entity) *resty.Response {
	return request.updateEntityOfType(entity.getId(), entity.getEntityType(), entity.toJson(false, request.testContext), false)
}

func (request *authenticatedRequests) updateEntityOfType(id string, entityType string, body string, patch bool) *resty.Response {
	if request.testContext.enabledJsonLogging {
		pfxlog.Logger().Tracef("update body:\n%v\n", body)
	}

	urlPath := fmt.Sprintf("%v/%v", entityType, id)
	pfxlog.Logger().Infof("url path: %v", urlPath)

	updateRequest := request.newAuthenticatedRequest().SetBody(body)

	var err error
	var resp *resty.Response

	if patch {
		resp, err = updateRequest.Patch(urlPath)
	} else {
		resp, err = updateRequest.Put(urlPath)
	}

	request.testContext.Req.NoError(err)
	request.testContext.logJson(resp.Body())
	return resp
}

func (request *authenticatedRequests) query(url string) (int, []byte) {
	resp, err := request.newAuthenticatedRequest().Get(url)
	request.testContext.Req.NoError(err)
	return resp.StatusCode(), resp.Body()
}

func (request *authenticatedRequests) validateAssociations(entity entity, childType string, children ...entity) {
	var ids []string
	for _, child := range children {
		ids = append(ids, child.getId())
	}
	request.validateAssociationsAt(fmt.Sprintf("%v/%v/%v", entity.getEntityType(), entity.getId(), childType), ids...)
}

func (request *authenticatedRequests) validateAssociationContains(entity entity, childType string, children ...entity) {
	var ids []string
	for _, child := range children {
		ids = append(ids, child.getId())
	}
	request.validateAssociationsAtContains(fmt.Sprintf("%v/%v/%v", entity.getEntityType(), entity.getId(), childType), ids...)
}

func (request *authenticatedRequests) validateAssociationsAt(url string, ids ...string) {
	result := request.requireQuery(url)
	data := request.testContext.RequireGetNonNilPathValue(result, "data")
	children, err := data.Children()

	var actualIds []string
	request.testContext.Req.NoError(err)
	for _, child := range children {
		actualIds = append(actualIds, child.S("id").Data().(string))
	}

	sort.Strings(ids)
	sort.Strings(actualIds)
	request.testContext.Req.Equal(ids, actualIds)
}

func (request *authenticatedRequests) validateAssociationsAtContains(url string, ids ...string) {
	result := request.requireQuery(url)
	data := request.testContext.RequireGetNonNilPathValue(result, "data")
	children, err := data.Children()

	var actualIds []string
	request.testContext.Req.NoError(err)
	for _, child := range children {
		actualIds = append(actualIds, child.S("id").Data().(string))
	}

	for _, id := range ids {
		request.testContext.Req.True(stringz.Contains(actualIds, id), "%+v should contain %v", actualIds, id)
	}
}

func (request *authenticatedRequests) isServiceVisibleToUser(serviceId string) bool {
	query := url.QueryEscape(fmt.Sprintf(`id = "%v"`, serviceId))
	result := request.requireQuery("services?filter=" + query)
	data := request.testContext.RequireGetNonNilPathValue(result, "data")
	return nil != request.testContext.childWith(data, "id", serviceId)
}

func (request *authenticatedRequests) createUserAndLoginClientApi(isAdmin bool, roleAttributes, configTypes []string) *session {
	_, userAuth := request.requireCreateIdentityWithUpdbEnrollment(eid.New(), eid.New(), isAdmin, roleAttributes...)
	userAuth.ConfigTypes = configTypes

	session, _ := userAuth.AuthenticateClientApi(request.testContext)

	return session
}

func (request *authenticatedRequests) requireServiceUpdateTimeUnchanged() {
	time.Sleep(5 * time.Millisecond)
	lastUpdated := request.getServiceUpdateTime()
	request.testContext.Req.True(request.session.lastServiceUpdate.Equal(lastUpdated),
		"should be the same %v %v", request.session.lastServiceUpdate, lastUpdated)
}

func (request *authenticatedRequests) requireServiceUpdateTimeAdvanced() {
	time.Sleep(5 * time.Millisecond)
	lastUpdated := request.getServiceUpdateTime()
	request.testContext.Req.True(request.session.lastServiceUpdate.Before(lastUpdated))
	request.session.lastServiceUpdate = lastUpdated
	time.Sleep(5 * time.Millisecond)
}

func (request *authenticatedRequests) getServiceUpdateTime() time.Time {
	respBody := request.requireQuery("current-api-session/service-updates")
	lastChanged := request.testContext.requireString(respBody, "data", "lastChangeAt")
	t, err := time.Parse(time.RFC3339, lastChanged)
	request.testContext.Req.NoError(err)
	return t
}

func (request *authenticatedRequests) validateEntityWithQuery(entity entity) *gabs.Container {
	query := url.QueryEscape(fmt.Sprintf(`id = "%v"`, entity.getId()))
	result := request.requireQuery(entity.getEntityType() + "?filter=" + query)
	data := request.testContext.RequireGetNonNilPathValue(result, "data")
	jsonEntity := request.testContext.RequireChildWith(data, "id", entity.getId())
	return request.testContext.validateEntity(entity, jsonEntity)
}

func (request *authenticatedRequests) listTerminators(filter string) []*terminator {
	query := "terminators"
	if filter != "" {
		query += "?" + filter
	}

	var result []*terminator
	request.listEntities(query, func() loadableEntity {
		t := &terminator{}
		result = append(result, t)
		return t
	})

	return result
}

func (request *authenticatedRequests) listIdentities(filter string) []*identity {
	query := "identities"
	if filter != "" {
		query += "?" + filter
	}

	var result []*identity
	request.listEntities(query, func() loadableEntity {
		t := &identity{}
		result = append(result, t)
		return t
	})

	return result
}

func (request *authenticatedRequests) listEdgeRouterPolicies(filter string) []*edgeRouterPolicy {
	query := "edge-router-policies"
	if filter != "" {
		query += "?" + filter
	}

	var result []*edgeRouterPolicy
	request.listEntities(query, func() loadableEntity {
		t := &edgeRouterPolicy{}
		result = append(result, t)
		return t
	})

	return result
}

func (request *authenticatedRequests) listEntities(query string, factory func() loadableEntity) {
	result := request.requireQuery(query)
	data := request.testContext.RequireGetNonNilPathValue(result, "data")
	children, err := data.Children()
	request.testContext.Req.NoError(err)
	for _, child := range children {
		entity := factory()
		entity.fromJson(request.testContext, child)
	}
}

func (request *authenticatedRequests) validateEntityWithLookup(entity entity) *gabs.Container {
	result := request.requireQuery(entity.getEntityType() + "/" + entity.getId())
	jsonEntity := request.testContext.RequireGetNonNilPathValue(result, "data")
	return request.testContext.validateEntity(entity, jsonEntity)
}

func (request *authenticatedRequests) requireNotFoundEntityLookup(entityType string, entityId string) {
	statusCode, _ := request.query(entityType + "/" + entityId)
	request.testContext.Req.Equal(http.StatusNotFound, statusCode)
}

func (request *authenticatedRequests) validateUpdate(entity entity) *gabs.Container {
	result := request.requireQuery(entity.getEntityType() + "/" + entity.getId())
	jsonConfig := request.testContext.RequireGetNonNilPathValue(result, "data")
	entity.validate(request.testContext, jsonConfig)
	return jsonConfig
}

func (request *authenticatedRequests) requireCreateNewConfig(configType string, data map[string]interface{}) *Config {
	config := request.testContext.newConfig(configType, data)
	config.Id = request.requireCreateEntity(config)
	return config
}

func (request *authenticatedRequests) requireCreateNewConfigTypeWithPrefix(prefix string) *configType {
	entity := request.testContext.newConfigType()
	entity.Name = prefix + "-" + entity.Name
	entity.Id = request.requireCreateEntity(entity)
	return entity
}

func (request *authenticatedRequests) requireCreateNewConfigType() *configType {
	entity := request.testContext.newConfigType()
	entity.Id = request.requireCreateEntity(entity)
	return entity
}

func (request *authenticatedRequests) requirePatchEntity(entity entity, fields ...string) {
	resp := request.patchEntity(entity, fields...)
	standardJsonResponseTests(resp, http.StatusOK, request.testContext.testing)
}

func (request *authenticatedRequests) patchEntity(entity entity, fields ...string) *resty.Response {
	return request.updateEntityOfType(entity.getId(), entity.getEntityType(), entity.toJson(false, request.testContext, fields...), true)
}

func (request *authenticatedRequests) getEdgeRouterJwt(edgeRouterId string) string {
	jsonBody := request.requireQuery("edge-routers/" + edgeRouterId)
	data := request.testContext.RequireGetNonNilPathValue(jsonBody, "data", "enrollmentJwt")
	return data.Data().(string)
}

func (request *authenticatedRequests) getTransitRouterJwt(transitRouterId string) string {
	jsonBody := request.requireQuery("transit-routers/" + transitRouterId)
	data := request.testContext.RequireGetNonNilPathValue(jsonBody, "data", "enrollmentJwt")
	return data.Data().(string)
}

func (request *authenticatedRequests) getIdentityJwt(identityId string) string {
	jsonBody := request.requireQuery("identities/" + identityId)
	data := request.testContext.RequireGetNonNilPathValue(jsonBody, "data", "enrollment", "ott", "jwt")
	return data.Data().(string)
}

func newSelfSignedCert(commonName string) (*x509.Certificate, crypto.PrivateKey) {
	priv, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
	if err != nil {
		panic(err)
	}
	template := x509.Certificate{
		SerialNumber: big.NewInt(1),
		Subject: pkix.Name{
			CommonName:   commonName,
			Organization: []string{"API Test Co"},
		},
		NotBefore: time.Now(),
		NotAfter:  time.Now().Add(time.Hour * 24 * 180),

		KeyUsage:              x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
		ExtKeyUsage:           []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
		BasicConstraintsValid: true,
	}

	der, err := x509.CreateCertificate(rand.Reader, &template, &template, &priv.PublicKey, priv)
	if err != nil {
		panic(err)
	}
	cert, err := x509.ParseCertificate(der)

	if err != nil {
		panic(err)
	}

	return cert, priv
}