Golang Authorizer.AuthClient方法代码示例

// NewModelManagerAPI creates a new api server endpoint for managing
// models.
func NewModelManagerAPI(
	st common.ModelManagerBackend,
	configGetter environs.EnvironConfigGetter,
	authorizer facade.Authorizer,
) (*ModelManagerAPI, error) {
	if !authorizer.AuthClient() {
		return nil, common.ErrPerm
	}
	// Since we know this is a user tag (because AuthClient is true),
	// we just do the type assertion to the UserTag.
	apiUser, _ := authorizer.GetAuthTag().(names.UserTag)
	// Pretty much all of the user manager methods have special casing for admin
	// users, so look once when we start and remember if the user is an admin.
	isAdmin, err := authorizer.HasPermission(permission.SuperuserAccess, st.ControllerTag())
	if err != nil {
		return nil, errors.Trace(err)
	}
	urlGetter := common.NewToolsURLGetter(st.ModelUUID(), st)
	return &ModelManagerAPI{
		ModelStatusAPI: common.NewModelStatusAPI(st, authorizer, apiUser),
		state:          st,
		check:          common.NewBlockChecker(st),
		authorizer:     authorizer,
		toolsFinder:    common.NewToolsFinder(configGetter, st, urlGetter),
		apiUser:        apiUser,
		isAdmin:        isAdmin,
	}, nil
}

// NewClient creates a new instance of the Client Facade.
func NewClient(
	st Backend,
	modelConfigAPI *modelconfig.ModelConfigAPI,
	resources facade.Resources,
	authorizer facade.Authorizer,
	statusSetter *common.StatusSetter,
	toolsFinder *common.ToolsFinder,
	newEnviron func() (environs.Environ, error),
	blockChecker *common.BlockChecker,
) (*Client, error) {
	if !authorizer.AuthClient() {
		return nil, common.ErrPerm
	}
	client := &Client{
		modelConfigAPI,
		&API{
			stateAccessor: st,
			auth:          authorizer,
			resources:     resources,
			statusSetter:  statusSetter,
			toolsFinder:   toolsFinder,
		},
		newEnviron,
		blockChecker,
	}
	return client, nil
}

// NewCloudAPI creates a new API server endpoint for managing the controller's
// cloud definition and cloud credentials.
func NewCloudAPI(backend Backend, authorizer facade.Authorizer) (*CloudAPI, error) {

	if !authorizer.AuthClient() {
		return nil, common.ErrPerm
	}

	getUserAuthFunc := func() (common.AuthFunc, error) {
		authUser, _ := authorizer.GetAuthTag().(names.UserTag)
		isAdmin, err := authorizer.HasPermission(permission.SuperuserAccess, backend.ControllerTag())
		if err != nil && !errors.IsNotFound(err) {
			return nil, err
		}
		return func(tag names.Tag) bool {
			userTag, ok := tag.(names.UserTag)
			if !ok {
				return false
			}
			return isAdmin || userTag == authUser
		}, nil
	}
	return &CloudAPI{
		backend:                backend,
		authorizer:             authorizer,
		getCredentialsAuthFunc: getUserAuthFunc,
	}, nil
}

func NewUserManagerAPI(
	st *state.State,
	resources facade.Resources,
	authorizer facade.Authorizer,
) (*UserManagerAPI, error) {
	if !authorizer.AuthClient() {
		return nil, common.ErrPerm
	}

	// Since we know this is a user tag (because AuthClient is true),
	// we just do the type assertion to the UserTag.
	apiUser, _ := authorizer.GetAuthTag().(names.UserTag)
	// Pretty much all of the user manager methods have special casing for admin
	// users, so look once when we start and remember if the user is an admin.
	isAdmin, err := authorizer.HasPermission(permission.SuperuserAccess, st.ControllerTag())
	if err != nil {
		return nil, errors.Trace(err)
	}

	return &UserManagerAPI{
		state:      st,
		authorizer: authorizer,
		check:      common.NewBlockChecker(st),
		apiUser:    apiUser,
		isAdmin:    isAdmin,
	}, nil
}

// newAPIWithBacking creates a new server-side Spaces API facade with
// the given Backing.
func newAPIWithBacking(backing networkingcommon.NetworkBacking, resources facade.Resources, authorizer facade.Authorizer) (API, error) {
	// Only clients can access the Spaces facade.
	if !authorizer.AuthClient() {
		return nil, common.ErrPerm
	}
	return &spacesAPI{
		backing:    backing,
		resources:  resources,
		authorizer: authorizer,
	}, nil
}

// NewHighAvailabilityAPI creates a new server-side highavailability API end point.
func NewHighAvailabilityAPI(st *state.State, resources facade.Resources, authorizer facade.Authorizer) (*HighAvailabilityAPI, error) {
	// Only clients and environment managers can access the high availability service.
	if !authorizer.AuthClient() && !authorizer.AuthModelManager() {
		return nil, common.ErrPerm
	}
	return &HighAvailabilityAPI{
		state:      st,
		resources:  resources,
		authorizer: authorizer,
	}, nil
}

// NewModelConfigAPI creates a new instance of the ModelConfig Facade.
func NewModelConfigAPI(backend Backend, authorizer facade.Authorizer) (*ModelConfigAPI, error) {
	if !authorizer.AuthClient() {
		return nil, common.ErrPerm
	}
	client := &ModelConfigAPI{
		backend: backend,
		auth:    authorizer,
		check:   common.NewBlockChecker(backend),
	}
	return client, nil
}

// NewImageManagerAPI creates a new server-side imagemanager API end point.
func NewImageManagerAPI(st *state.State, resources facade.Resources, authorizer facade.Authorizer) (*ImageManagerAPI, error) {
	// Only clients can access the image manager service.
	if !authorizer.AuthClient() {
		return nil, common.ErrPerm
	}
	return &ImageManagerAPI{
		state:      getState(st),
		resources:  resources,
		authorizer: authorizer,
		check:      common.NewBlockChecker(st),
	}, nil
}

// NewMetricsDebugAPI creates a new API endpoint for calling metrics debug functions.
func NewMetricsDebugAPI(
	st *state.State,
	resources facade.Resources,
	authorizer facade.Authorizer,
) (*MetricsDebugAPI, error) {
	if !authorizer.AuthClient() {
		return nil, common.ErrPerm
	}

	return &MetricsDebugAPI{
		state: st,
	}, nil
}

func checkAuth(authorizer facade.Authorizer, st *state.State) error {
	if !authorizer.AuthClient() {
		return errors.Trace(common.ErrPerm)
	}

	if isAdmin, err := authorizer.HasPermission(permission.SuperuserAccess, st.ControllerTag()); err != nil {
		return errors.Trace(err)
	} else if !isAdmin {
		// The entire facade is only accessible to controller administrators.
		return errors.Trace(common.ErrPerm)
	}
	return nil
}

// NewAPI returns a new block API facade.
func NewAPI(
	st *state.State,
	resources facade.Resources,
	authorizer facade.Authorizer,
) (*API, error) {

	if !authorizer.AuthClient() {
		return nil, common.ErrPerm
	}

	return &API{
		access:     getState(st),
		authorizer: authorizer,
	}, nil
}

// createAPI returns a new image metadata API facade.
func createAPI(
	st metadataAcess,
	newEnviron func() (environs.Environ, error),
	resources facade.Resources,
	authorizer facade.Authorizer,
) (*API, error) {
	if !authorizer.AuthClient() && !authorizer.AuthModelManager() {
		return nil, common.ErrPerm
	}

	return &API{
		metadata:   st,
		newEnviron: newEnviron,
		authorizer: authorizer,
	}, nil
}

// NewAPI returns a new application API facade.
func NewAPI(
	backend Backend,
	authorizer facade.Authorizer,
	blockChecker BlockChecker,
	stateCharm func(Charm) *state.Charm,
) (*API, error) {
	if !authorizer.AuthClient() {
		return nil, common.ErrPerm
	}
	return &API{
		backend:    backend,
		authorizer: authorizer,
		check:      blockChecker,
		stateCharm: stateCharm,
	}, nil
}

// NewMachineManagerAPI creates a new server-side MachineManager API facade.
func NewMachineManagerAPI(
	st *state.State,
	resources facade.Resources,
	authorizer facade.Authorizer,
) (*MachineManagerAPI, error) {

	if !authorizer.AuthClient() {
		return nil, common.ErrPerm
	}

	s := getState(st)
	return &MachineManagerAPI{
		st:         s,
		authorizer: authorizer,
		check:      common.NewBlockChecker(s),
	}, nil
}

// NewAPI returns a new storage API facade.
func NewAPI(
	st storageAccess,
	registry storage.ProviderRegistry,
	pm poolmanager.PoolManager,
	resources facade.Resources,
	authorizer facade.Authorizer,
) (*API, error) {
	if !authorizer.AuthClient() {
		return nil, common.ErrPerm
	}

	return &API{
		storage:     st,
		registry:    registry,
		poolManager: pm,
		authorizer:  authorizer,
	}, nil
}