fleet/server/service/apple_mdm_test.go
Roberto Dip 4c4c114e96
add mocks + tests and move things around (#9574)
#8948

- Add more go:generate commands for MDM mocks
- Add unit and integration tests for MDM code
- Move interfaces from their PoC location to match existing patterns
2023-01-31 11:46:01 -03:00

494 lines
16 KiB
Go

package service
import (
"bytes"
"context"
"crypto/tls"
"fmt"
"net/http"
"net/http/httptest"
"os"
"strings"
"sync/atomic"
"testing"
"github.com/fleetdm/fleet/v4/server/authz"
"github.com/fleetdm/fleet/v4/server/config"
"github.com/fleetdm/fleet/v4/server/contexts/viewer"
"github.com/fleetdm/fleet/v4/server/fleet"
"github.com/fleetdm/fleet/v4/server/mock"
nanodep_mock "github.com/fleetdm/fleet/v4/server/mock/nanodep"
nanomdm_mock "github.com/fleetdm/fleet/v4/server/mock/nanomdm"
"github.com/fleetdm/fleet/v4/server/ptr"
"github.com/fleetdm/fleet/v4/server/test"
kitlog "github.com/go-kit/kit/log"
nanodep_client "github.com/micromdm/nanodep/client"
"github.com/micromdm/nanomdm/mdm"
nanomdm_pushsvc "github.com/micromdm/nanomdm/push/service"
"github.com/stretchr/testify/require"
)
func setupAppleMDMService(t *testing.T) (fleet.Service, context.Context, *mock.Store) {
ds := new(mock.Store)
cfg := config.TestConfig()
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch {
case strings.Contains(r.URL.Path, "/server/devices"):
_, err := w.Write([]byte("{}"))
require.NoError(t, err)
return
case strings.Contains(r.URL.Path, "/session"):
_, err := w.Write([]byte(`{"auth_session_token": "yoo"}`))
require.NoError(t, err)
return
}
}))
mdmStorage := &nanomdm_mock.Storage{}
depStorage := &nanodep_mock.Storage{}
pushFactory, _ := newMockAPNSPushProviderFactory()
pusher := nanomdm_pushsvc.New(
mdmStorage,
mdmStorage,
pushFactory,
NewNanoMDMLogger(kitlog.NewJSONLogger(os.Stdout)),
)
opts := &TestServerOpts{
FleetConfig: &cfg,
MDMStorage: mdmStorage,
DEPStorage: depStorage,
MDMPusher: pusher,
}
svc, ctx := newTestServiceWithConfig(t, ds, cfg, nil, nil, opts)
mdmStorage.EnqueueCommandFunc = func(ctx context.Context, id []string, cmd *mdm.Command) (map[string]error, error) {
return nil, nil
}
mdmStorage.RetrievePushInfoFunc = func(ctx context.Context, tokens []string) (map[string]*mdm.Push, error) {
res := make(map[string]*mdm.Push, len(tokens))
for _, t := range tokens {
res[t] = &mdm.Push{
PushMagic: "",
Token: []byte(t),
Topic: "",
}
}
return res, nil
}
mdmStorage.RetrievePushCertFunc = func(ctx context.Context, topic string) (*tls.Certificate, string, error) {
cert, err := tls.LoadX509KeyPair("testdata/server.pem", "testdata/server.key")
return &cert, "", err
}
mdmStorage.IsPushCertStaleFunc = func(ctx context.Context, topic string, staleToken string) (bool, error) {
return false, nil
}
depStorage.RetrieveAuthTokensFunc = func(ctx context.Context, name string) (*nanodep_client.OAuth1Tokens, error) {
return &nanodep_client.OAuth1Tokens{}, nil
}
depStorage.RetrieveConfigFunc = func(context.Context, string) (*nanodep_client.Config, error) {
return &nanodep_client.Config{
BaseURL: ts.URL,
}, nil
}
ds.AppConfigFunc = func(ctx context.Context) (*fleet.AppConfig, error) {
return &fleet.AppConfig{
OrgInfo: fleet.OrgInfo{
OrgName: "Foo Inc.",
},
ServerSettings: fleet.ServerSettings{
ServerURL: "https://foo.example.com",
},
}, nil
}
ds.GetMDMAppleEnrollmentProfileByTokenFunc = func(ctx context.Context, token string) (*fleet.MDMAppleEnrollmentProfile, error) {
return nil, nil
}
ds.NewMDMAppleEnrollmentProfileFunc = func(ctx context.Context, enrollmentPayload fleet.MDMAppleEnrollmentProfilePayload) (*fleet.MDMAppleEnrollmentProfile, error) {
return &fleet.MDMAppleEnrollmentProfile{
ID: 1,
Token: "foo",
Type: fleet.MDMAppleEnrollmentTypeManual,
EnrollmentURL: "https://foo.example.com?token=foo",
}, nil
}
ds.GetMDMAppleEnrollmentProfileByTokenFunc = func(ctx context.Context, token string) (*fleet.MDMAppleEnrollmentProfile, error) {
return nil, nil
}
ds.ListMDMAppleEnrollmentProfilesFunc = func(ctx context.Context) ([]*fleet.MDMAppleEnrollmentProfile, error) {
return nil, nil
}
ds.GetMDMAppleCommandResultsFunc = func(ctx context.Context, commandUUID string) (map[string]*fleet.MDMAppleCommandResult, error) {
return nil, nil
}
ds.NewMDMAppleInstallerFunc = func(ctx context.Context, name string, size int64, manifest string, installer []byte, urlToken string) (*fleet.MDMAppleInstaller, error) {
return nil, nil
}
ds.MDMAppleInstallerFunc = func(ctx context.Context, token string) (*fleet.MDMAppleInstaller, error) {
return nil, nil
}
ds.MDMAppleInstallerDetailsByIDFunc = func(ctx context.Context, id uint) (*fleet.MDMAppleInstaller, error) {
return nil, nil
}
ds.DeleteMDMAppleInstallerFunc = func(ctx context.Context, id uint) error {
return nil
}
ds.MDMAppleInstallerDetailsByTokenFunc = func(ctx context.Context, token string) (*fleet.MDMAppleInstaller, error) {
return nil, nil
}
ds.ListMDMAppleInstallersFunc = func(ctx context.Context) ([]fleet.MDMAppleInstaller, error) {
return nil, nil
}
ds.MDMAppleListDevicesFunc = func(ctx context.Context) ([]fleet.MDMAppleDevice, error) {
return nil, nil
}
ds.GetNanoMDMEnrollmentStatusFunc = func(ctx context.Context, hostUUID string) (bool, error) {
return false, nil
}
return svc, ctx, ds
}
func TestAppleMDMAuthorization(t *testing.T) {
svc, ctx, _ := setupAppleMDMService(t)
checkAuthErr := func(t *testing.T, err error, shouldFailWithAuth bool) {
t.Helper()
if shouldFailWithAuth {
require.Error(t, err)
require.Contains(t, err.Error(), authz.ForbiddenErrorMessage)
} else {
require.NoError(t, err)
}
}
testAuthdMethods := func(t *testing.T, user *fleet.User, shouldFailWithAuth bool) {
ctx := test.UserContext(ctx, user)
_, err := svc.NewMDMAppleEnrollmentProfile(ctx, fleet.MDMAppleEnrollmentProfilePayload{})
checkAuthErr(t, err, shouldFailWithAuth)
_, err = svc.ListMDMAppleEnrollmentProfiles(ctx)
checkAuthErr(t, err, shouldFailWithAuth)
_, err = svc.GetMDMAppleCommandResults(ctx, "foo")
checkAuthErr(t, err, shouldFailWithAuth)
_, err = svc.UploadMDMAppleInstaller(ctx, "foo", 3, bytes.NewReader([]byte("foo")))
checkAuthErr(t, err, shouldFailWithAuth)
_, err = svc.GetMDMAppleInstallerByID(ctx, 42)
checkAuthErr(t, err, shouldFailWithAuth)
err = svc.DeleteMDMAppleInstaller(ctx, 42)
checkAuthErr(t, err, shouldFailWithAuth)
_, err = svc.ListMDMAppleInstallers(ctx)
checkAuthErr(t, err, shouldFailWithAuth)
_, err = svc.ListMDMAppleDevices(ctx)
checkAuthErr(t, err, shouldFailWithAuth)
_, err = svc.ListMDMAppleDEPDevices(ctx)
checkAuthErr(t, err, shouldFailWithAuth)
_, _, err = svc.EnqueueMDMAppleCommand(ctx, &fleet.MDMAppleCommand{Command: &mdm.Command{}}, nil, false)
checkAuthErr(t, err, shouldFailWithAuth)
}
// Only global admins can access the endpoints.
testAuthdMethods(t, test.UserAdmin, false)
// All other users should not have access to the endpoints.
for _, user := range []*fleet.User{
test.UserNoRoles,
test.UserMaintainer,
test.UserObserver,
test.UserTeamAdminTeam1,
} {
testAuthdMethods(t, user, true)
}
// Token authenticated endpoints can be accessed by anyone.
ctx = test.UserContext(ctx, test.UserNoRoles)
_, err := svc.GetMDMAppleInstallerByToken(ctx, "foo")
require.NoError(t, err)
_, err = svc.GetMDMAppleEnrollmentProfileByToken(ctx, "foo")
require.NoError(t, err)
_, err = svc.GetMDMAppleInstallerDetailsByToken(ctx, "foo")
require.NoError(t, err)
// Generating a new key pair does not actually make any changes to fleet, or expose any
// information. The user must configure fleet with the new key pair and restart the server.
_, err = svc.NewMDMAppleDEPKeyPair(ctx)
require.NoError(t, err)
// Must be device-authenticated, should fail
_, err = svc.GetDeviceMDMAppleEnrollmentProfile(ctx)
checkAuthErr(t, err, true)
// works with device-authenticated context
ctx = test.HostContext(context.Background(), &fleet.Host{})
_, err = svc.GetDeviceMDMAppleEnrollmentProfile(ctx)
require.NoError(t, err)
}
func TestMDMAppleEnrollURL(t *testing.T) {
svc := Service{}
cases := []struct {
appConfig *fleet.AppConfig
expectedURL string
}{
{
appConfig: &fleet.AppConfig{
ServerSettings: fleet.ServerSettings{
ServerURL: "https://foo.example.com",
},
},
expectedURL: "https://foo.example.com/api/mdm/apple/enroll?token=tok",
},
{
appConfig: &fleet.AppConfig{
ServerSettings: fleet.ServerSettings{
ServerURL: "https://foo.example.com/",
},
},
expectedURL: "https://foo.example.com/api/mdm/apple/enroll?token=tok",
},
}
for _, tt := range cases {
enrollURL, err := svc.mdmAppleEnrollURL("tok", tt.appConfig)
require.NoError(t, err)
require.Equal(t, tt.expectedURL, enrollURL)
}
}
func TestAppleMDMEnrollmentProfile(t *testing.T) {
svc, ctx, _ := setupAppleMDMService(t)
// Only global admins can create enrollment profiles.
ctx = test.UserContext(ctx, test.UserAdmin)
_, err := svc.NewMDMAppleEnrollmentProfile(ctx, fleet.MDMAppleEnrollmentProfilePayload{})
require.NoError(t, err)
// All other users should not have access to the endpoints.
for _, user := range []*fleet.User{
test.UserNoRoles,
test.UserMaintainer,
test.UserObserver,
test.UserTeamAdminTeam1,
} {
ctx := test.UserContext(ctx, user)
_, err := svc.NewMDMAppleEnrollmentProfile(ctx, fleet.MDMAppleEnrollmentProfilePayload{})
require.Error(t, err)
require.Contains(t, err.Error(), authz.ForbiddenErrorMessage)
}
}
func TestMDMCommandAuthz(t *testing.T) {
svc, ctx, ds := setupAppleMDMService(t)
ds.HostLiteFunc = func(ctx context.Context, hostID uint) (*fleet.Host, error) {
switch hostID {
case 1:
return &fleet.Host{UUID: "test-host-team-1", TeamID: ptr.Uint(1)}, nil
default:
return &fleet.Host{UUID: "test-host-no-team"}, nil
}
}
ds.GetHostMDMCheckinInfoFunc = func(ctx context.Context, hostUUID string) (*fleet.HostMDMCheckinInfo, error) {
return &fleet.HostMDMCheckinInfo{}, nil
}
ds.NewActivityFunc = func(context.Context, *fleet.User, fleet.ActivityDetails) error {
return nil
}
var mdmEnabled atomic.Bool
ds.GetNanoMDMEnrollmentStatusFunc = func(ctx context.Context, hostUUID string) (bool, error) {
// This function is called twice during EnqueueMDMAppleCommandRemoveEnrollmentProfile.
// It first is called to check that the device is enrolled as a pre-condition to enqueueing the
// command. It is called second time after the command has been enqueued to check whether
// the device was successfully unenrolled.
//
// For each test run, the bool should be initialized to true to simulate an existing device
// that is initially enrolled to Fleet's MDM.
return mdmEnabled.Swap(!mdmEnabled.Load()), nil
}
testCases := []struct {
name string
user *fleet.User
shouldFailGlobal bool
shouldFailTeam bool
}{
{
"global admin",
&fleet.User{GlobalRole: ptr.String(fleet.RoleAdmin)},
false,
false,
},
{
"global maintainer",
&fleet.User{GlobalRole: ptr.String(fleet.RoleMaintainer)},
false,
false,
},
{
"global observer",
&fleet.User{GlobalRole: ptr.String(fleet.RoleObserver)},
true,
true,
},
{
"team admin, belongs to team",
&fleet.User{Teams: []fleet.UserTeam{{Team: fleet.Team{ID: 1}, Role: fleet.RoleAdmin}}},
true,
false,
},
{
"team admin, DOES NOT belong to team",
&fleet.User{Teams: []fleet.UserTeam{{Team: fleet.Team{ID: 2}, Role: fleet.RoleAdmin}}},
true,
true,
},
{
"team maintainer, belongs to team",
&fleet.User{Teams: []fleet.UserTeam{{Team: fleet.Team{ID: 1}, Role: fleet.RoleMaintainer}}},
true,
false,
},
{
"team maintainer, DOES NOT belong to team",
&fleet.User{Teams: []fleet.UserTeam{{Team: fleet.Team{ID: 2}, Role: fleet.RoleMaintainer}}},
true,
true,
},
{
"team observer, belongs to team",
&fleet.User{Teams: []fleet.UserTeam{{Team: fleet.Team{ID: 1}, Role: fleet.RoleObserver}}},
true,
true,
},
{
"team observer, DOES NOT belong to team",
&fleet.User{Teams: []fleet.UserTeam{{Team: fleet.Team{ID: 2}, Role: fleet.RoleObserver}}},
true,
true,
},
{
"user no roles",
&fleet.User{ID: 1337},
true,
true,
},
}
for _, tt := range testCases {
t.Run(tt.name, func(t *testing.T) {
ctx := viewer.NewContext(ctx, viewer.Viewer{User: tt.user})
mdmEnabled.Store(true)
err := svc.EnqueueMDMAppleCommandRemoveEnrollmentProfile(ctx, 42) // global host
if !tt.shouldFailGlobal {
require.NoError(t, err)
} else {
require.Error(t, err)
require.Contains(t, err.Error(), authz.ForbiddenErrorMessage)
}
mdmEnabled.Store(true)
err = svc.EnqueueMDMAppleCommandRemoveEnrollmentProfile(ctx, 1) // host belongs to team 1
if !tt.shouldFailTeam {
require.NoError(t, err)
} else {
require.Error(t, err)
require.Contains(t, err.Error(), authz.ForbiddenErrorMessage)
}
})
}
}
func TestMDMAuthenticate(t *testing.T) {
ds := new(mock.Store)
svc := MDMAppleCheckinAndCommandService{ds: ds}
ctx := context.Background()
uuid, serial, model := "ABC-DEF-GHI", "XYZABC", "MacBookPro 16,1"
ds.IngestMDMAppleDeviceFromCheckinFunc = func(ctx context.Context, mdmHost fleet.MDMAppleHostDetails) error {
require.Equal(t, uuid, mdmHost.UDID)
require.Equal(t, serial, mdmHost.SerialNumber)
require.Equal(t, model, mdmHost.Model)
return nil
}
ds.GetHostMDMCheckinInfoFunc = func(ct context.Context, hostUUID string) (*fleet.HostMDMCheckinInfo, error) {
require.Equal(t, uuid, hostUUID)
return &fleet.HostMDMCheckinInfo{HardwareSerial: serial, DisplayName: fmt.Sprintf("%s (%s)", model, serial), InstalledFromDEP: false}, nil
}
ds.NewActivityFunc = func(ctx context.Context, user *fleet.User, activity fleet.ActivityDetails) error {
a, ok := activity.(*fleet.ActivityTypeMDMEnrolled)
require.True(t, ok)
require.Nil(t, user)
require.Equal(t, "mdm_enrolled", activity.ActivityName())
require.Equal(t, serial, a.HostSerial)
require.Equal(t, a.HostDisplayName, fmt.Sprintf("%s (%s)", model, serial))
require.False(t, a.InstalledFromDEP)
return nil
}
err := svc.Authenticate(
&mdm.Request{Context: ctx},
&mdm.Authenticate{
Enrollment: mdm.Enrollment{
UDID: uuid,
},
SerialNumber: serial,
Model: model,
},
)
require.NoError(t, err)
require.True(t, ds.IngestMDMAppleDeviceFromCheckinFuncInvoked)
require.True(t, ds.GetHostMDMCheckinInfoFuncInvoked)
require.True(t, ds.NewActivityFuncInvoked)
}
func TestMDMCheckout(t *testing.T) {
ds := new(mock.Store)
svc := MDMAppleCheckinAndCommandService{ds: ds}
ctx := context.Background()
uuid, serial, installedFromDEP, displayName := "ABC-DEF-GHI", "XYZABC", true, "Test's MacBook"
ds.UpdateHostTablesOnMDMUnenrollFunc = func(ctx context.Context, hostUUID string) error {
require.Equal(t, uuid, hostUUID)
return nil
}
ds.GetHostMDMCheckinInfoFunc = func(ct context.Context, hostUUID string) (*fleet.HostMDMCheckinInfo, error) {
require.Equal(t, uuid, hostUUID)
return &fleet.HostMDMCheckinInfo{
HardwareSerial: serial,
DisplayName: displayName,
InstalledFromDEP: installedFromDEP,
}, nil
}
ds.NewActivityFunc = func(ctx context.Context, user *fleet.User, activity fleet.ActivityDetails) error {
a, ok := activity.(*fleet.ActivityTypeMDMUnenrolled)
require.True(t, ok)
require.Nil(t, user)
require.Equal(t, "mdm_unenrolled", activity.ActivityName())
require.Equal(t, serial, a.HostSerial)
require.Equal(t, displayName, a.HostDisplayName)
require.True(t, a.InstalledFromDEP)
return nil
}
err := svc.CheckOut(
&mdm.Request{Context: ctx},
&mdm.CheckOut{
Enrollment: mdm.Enrollment{
UDID: uuid,
},
},
)
require.NoError(t, err)
require.True(t, ds.UpdateHostTablesOnMDMUnenrollFuncInvoked)
require.True(t, ds.GetHostMDMCheckinInfoFuncInvoked)
require.True(t, ds.NewActivityFuncInvoked)
}