scope_service.go

package scopes

import (
	"context"
	"fmt"
	"sort"
	"strings"

	"github.com/hashicorp/boundary/globals"
	"github.com/hashicorp/boundary/internal/auth/oidc"
	"github.com/hashicorp/boundary/internal/auth/password"
	"github.com/hashicorp/boundary/internal/errors"
	pbs "github.com/hashicorp/boundary/internal/gen/controller/api/services"
	"github.com/hashicorp/boundary/internal/iam"
	"github.com/hashicorp/boundary/internal/iam/store"
	"github.com/hashicorp/boundary/internal/perms"
	"github.com/hashicorp/boundary/internal/requests"
	"github.com/hashicorp/boundary/internal/servers/controller/auth"
	"github.com/hashicorp/boundary/internal/servers/controller/common"
	"github.com/hashicorp/boundary/internal/servers/controller/common/scopeids"
	"github.com/hashicorp/boundary/internal/servers/controller/handlers"
	"github.com/hashicorp/boundary/internal/servers/controller/handlers/authmethods"
	"github.com/hashicorp/boundary/internal/servers/controller/handlers/authtokens"
	"github.com/hashicorp/boundary/internal/servers/controller/handlers/credentialstores"
	"github.com/hashicorp/boundary/internal/servers/controller/handlers/groups"
	"github.com/hashicorp/boundary/internal/servers/controller/handlers/host_catalogs"
	"github.com/hashicorp/boundary/internal/servers/controller/handlers/roles"
	"github.com/hashicorp/boundary/internal/servers/controller/handlers/sessions"
	"github.com/hashicorp/boundary/internal/servers/controller/handlers/targets"
	"github.com/hashicorp/boundary/internal/servers/controller/handlers/users"
	"github.com/hashicorp/boundary/internal/types/action"
	"github.com/hashicorp/boundary/internal/types/resource"
	"github.com/hashicorp/boundary/internal/types/scope"
	pb "github.com/hashicorp/boundary/sdk/pbs/controller/api/resources/scopes"
	"google.golang.org/grpc/codes"
	"google.golang.org/protobuf/types/known/wrapperspb"
)

var (
	maskManager handlers.MaskManager

	// IdActions contains the set of actions that can be performed on
	// individual resources
	IdActions = action.ActionSet{
		action.NoOp,
		action.Read,
		action.Update,
		action.Delete,
	}

	// CollectionActions contains the set of actions that can be performed on
	// this collection
	CollectionActions = action.ActionSet{
		action.Create,
		action.List,
	}

	scopeCollectionTypeMapMap = map[string]map[resource.Type]action.ActionSet{
		scope.Global.String(): {
			resource.AuthMethod: authmethods.CollectionActions,
			resource.AuthToken:  authtokens.CollectionActions,
			resource.Group:      groups.CollectionActions,
			resource.Role:       roles.CollectionActions,
			resource.Scope:      CollectionActions,
			resource.User:       users.CollectionActions,
		},

		scope.Org.String(): {
			resource.AuthMethod: authmethods.CollectionActions,
			resource.AuthToken:  authtokens.CollectionActions,
			resource.Group:      groups.CollectionActions,
			resource.Role:       roles.CollectionActions,
			resource.Scope:      CollectionActions,
			resource.User:       users.CollectionActions,
		},

		scope.Project.String(): {
			resource.CredentialStore: credentialstores.CollectionActions,
			resource.Group:           groups.CollectionActions,
			resource.HostCatalog:     host_catalogs.CollectionActions,
			resource.Role:            roles.CollectionActions,
			resource.Session:         sessions.CollectionActions,
			resource.Target:          targets.CollectionActions,
		},
	}
)

func init() {
	var err error
	if maskManager, err = handlers.NewMaskManager(handlers.MaskDestination{&store.Scope{}}, handlers.MaskSource{&pb.Scope{}}); err != nil {
		panic(err)
	}
}

// Service handles requests as described by the pbs.ScopeServiceServer interface.
type Service struct {
	pbs.UnimplementedScopeServiceServer

	repoFn common.IamRepoFactory
}

// NewService returns a project service which handles project related requests to boundary.
func NewService(repo common.IamRepoFactory) (Service, error) {
	const op = "scopes.(Service).NewService"
	if repo == nil {
		return Service{}, errors.NewDeprecated(errors.InvalidParameter, op, "missing iam repository")
	}
	return Service{repoFn: repo}, nil
}

var _ pbs.ScopeServiceServer = Service{}

// ListScopes implements the interface pbs.ScopeServiceServer.
func (s Service) ListScopes(ctx context.Context, req *pbs.ListScopesRequest) (*pbs.ListScopesResponse, error) {
	if req.GetScopeId() == "" {
		req.ScopeId = scope.Global.String()
	}
	if err := validateListRequest(req); err != nil {
		return nil, err
	}
	authResults := s.authResult(ctx, req.GetScopeId(), action.List)
	if authResults.Error != nil {
		// If it's forbidden, and it's a recursive request, and they're
		// successfully authenticated but just not authorized, keep going as we
		// may have authorization on downstream scopes. Or, if they've not
		// authenticated, still process in case u_anon has permissions.
		if (authResults.Error == handlers.ForbiddenError() || authResults.Error == handlers.UnauthenticatedError()) &&
			req.GetRecursive() &&
			authResults.AuthenticationFinished {
		} else {
			return nil, authResults.Error
		}
	}

	scopeIds, scopeInfoMap, err := scopeids.GetListingScopeIds(
		ctx, s.repoFn, authResults, req.GetScopeId(), resource.Scope, req.GetRecursive())
	if err != nil {
		return nil, err
	}
	// If no scopes match, return an empty response
	if len(scopeIds) == 0 {
		return &pbs.ListScopesResponse{}, nil
	}

	pl, err := s.listFromRepo(ctx, scopeIds)
	if err != nil {
		return nil, err
	}
	if len(pl) == 0 {
		return &pbs.ListScopesResponse{}, nil
	}

	filter, err := handlers.NewFilter(req.GetFilter())
	if err != nil {
		return nil, err
	}
	finalItems := make([]*pb.Scope, 0, len(pl))
	res := perms.Resource{
		Type: resource.Scope,
	}
	for _, item := range pl {
		res.Id = item.GetPublicId()
		res.ScopeId = item.GetParentId()

		authorizedActions := authResults.FetchActionSetForId(ctx, item.GetPublicId(), IdActions, auth.WithResource(&res)).Strings()
		if len(authorizedActions) == 0 {
			continue
		}

		outputFields := authResults.FetchOutputFields(res, action.List).SelfOrDefaults(authResults.UserId)
		outputOpts := make([]handlers.Option, 0, 3)
		outputOpts = append(outputOpts, handlers.WithOutputFields(&outputFields))
		if outputFields.Has(globals.ScopeField) {
			outputOpts = append(outputOpts, handlers.WithScope(scopeInfoMap[item.GetParentId()]))
		}
		if outputFields.Has(globals.AuthorizedActionsField) {
			outputOpts = append(outputOpts, handlers.WithAuthorizedActions(authorizedActions))
		}
		if outputFields.Has(globals.AuthorizedCollectionActionsField) {
			collectionActions, err := auth.CalculateAuthorizedCollectionActions(ctx, authResults, scopeCollectionTypeMapMap[item.Type], item.GetPublicId(), "")
			if err != nil {
				return nil, err
			}
			outputOpts = append(outputOpts, handlers.WithAuthorizedCollectionActions(collectionActions))
		}

		item, err := ToProto(ctx, item, outputOpts...)
		if err != nil {
			return nil, err
		}

		if filter.Match(item) {
			finalItems = append(finalItems, item)
		}
	}
	SortScopes(finalItems)
	return &pbs.ListScopesResponse{Items: finalItems}, nil
}

// GetScopes implements the interface pbs.ScopeServiceServer.
func (s Service) GetScope(ctx context.Context, req *pbs.GetScopeRequest) (*pbs.GetScopeResponse, error) {
	const op = "scopes.(Service).GetScope"

	if err := validateGetRequest(req); err != nil {
		return nil, err
	}
	authResults := s.authResult(ctx, req.GetId(), action.Read)
	if authResults.Error != nil {
		return nil, authResults.Error
	}
	p, err := s.getFromRepo(ctx, req.GetId())
	if err != nil {
		return nil, err
	}

	outputFields, ok := requests.OutputFields(ctx)
	if !ok {
		return nil, errors.New(ctx, errors.Internal, op, "no request context found")
	}

	outputOpts := make([]handlers.Option, 0, 3)
	outputOpts = append(outputOpts, handlers.WithOutputFields(&outputFields))
	if outputFields.Has(globals.ScopeField) {
		outputOpts = append(outputOpts, handlers.WithScope(authResults.Scope))
	}
	act := IdActions
	// Can't delete global so elide it
	if p.GetPublicId() == scope.Global.String() {
		act = act[0:3]
	}
	if outputFields.Has(globals.AuthorizedActionsField) {
		outputOpts = append(outputOpts, handlers.WithAuthorizedActions(authResults.FetchActionSetForId(ctx, p.GetPublicId(), act).Strings()))
	}
	if outputFields.Has(globals.AuthorizedCollectionActionsField) {
		collectionActions, err := auth.CalculateAuthorizedCollectionActions(ctx, authResults, scopeCollectionTypeMapMap[p.Type], p.GetPublicId(), "")
		if err != nil {
			return nil, err
		}
		outputOpts = append(outputOpts, handlers.WithAuthorizedCollectionActions(collectionActions))
	}

	item, err := ToProto(ctx, p, outputOpts...)
	if err != nil {
		return nil, err
	}

	return &pbs.GetScopeResponse{Item: item}, nil
}

// CreateScope implements the interface pbs.ScopeServiceServer.
func (s Service) CreateScope(ctx context.Context, req *pbs.CreateScopeRequest) (*pbs.CreateScopeResponse, error) {
	const op = "scopes.(Service).CreateScope"

	if err := validateCreateRequest(req); err != nil {
		return nil, err
	}
	authResults := s.authResult(ctx, req.GetItem().GetScopeId(), action.Create)
	if authResults.Error != nil {
		return nil, authResults.Error
	}
	p, err := s.createInRepo(ctx, authResults, req)
	if err != nil {
		return nil, err
	}

	outputFields, ok := requests.OutputFields(ctx)
	if !ok {
		return nil, errors.New(ctx, errors.Internal, op, "no request context found")
	}

	outputOpts := make([]handlers.Option, 0, 3)
	outputOpts = append(outputOpts, handlers.WithOutputFields(&outputFields))
	if outputFields.Has(globals.ScopeField) {
		outputOpts = append(outputOpts, handlers.WithScope(authResults.Scope))
	}
	if outputFields.Has(globals.AuthorizedActionsField) {
		outputOpts = append(outputOpts, handlers.WithAuthorizedActions(authResults.FetchActionSetForId(ctx, p.GetPublicId(), IdActions).Strings()))
	}
	if outputFields.Has(globals.AuthorizedCollectionActionsField) {
		collectionActions, err := auth.CalculateAuthorizedCollectionActions(ctx, authResults, scopeCollectionTypeMapMap[p.Type], p.GetPublicId(), "")
		if err != nil {
			return nil, err
		}
		outputOpts = append(outputOpts, handlers.WithAuthorizedCollectionActions(collectionActions))
	}

	item, err := ToProto(ctx, p, outputOpts...)
	if err != nil {
		return nil, err
	}

	return &pbs.CreateScopeResponse{Item: item, Uri: fmt.Sprintf("scopes/%s", item.GetId())}, nil
}

// UpdateScope implements the interface pbs.ScopeServiceServer.
func (s Service) UpdateScope(ctx context.Context, req *pbs.UpdateScopeRequest) (*pbs.UpdateScopeResponse, error) {
	const op = "scopes.(Service).UpdateScope"

	if err := validateUpdateRequest(req); err != nil {
		return nil, err
	}
	authResults := s.authResult(ctx, req.GetId(), action.Update)
	if authResults.Error != nil {
		return nil, authResults.Error
	}
	p, err := s.updateInRepo(ctx, authResults.Scope, req.GetId(), req.GetUpdateMask().GetPaths(), req.GetItem())
	if err != nil {
		return nil, err
	}

	outputFields, ok := requests.OutputFields(ctx)
	if !ok {
		return nil, errors.New(ctx, errors.Internal, op, "no request context found")
	}

	outputOpts := make([]handlers.Option, 0, 3)
	outputOpts = append(outputOpts, handlers.WithOutputFields(&outputFields))
	if outputFields.Has(globals.ScopeField) {
		outputOpts = append(outputOpts, handlers.WithScope(authResults.Scope))
	}
	if outputFields.Has(globals.AuthorizedActionsField) {
		outputOpts = append(outputOpts, handlers.WithAuthorizedActions(authResults.FetchActionSetForId(ctx, p.GetPublicId(), IdActions).Strings()))
	}
	if outputFields.Has(globals.AuthorizedCollectionActionsField) {
		collectionActions, err := auth.CalculateAuthorizedCollectionActions(ctx, authResults, scopeCollectionTypeMapMap[p.Type], p.GetPublicId(), "")
		if err != nil {
			return nil, err
		}
		outputOpts = append(outputOpts, handlers.WithAuthorizedCollectionActions(collectionActions))
	}

	item, err := ToProto(ctx, p, outputOpts...)
	if err != nil {
		return nil, err
	}

	return &pbs.UpdateScopeResponse{Item: item}, nil
}

// DeleteScope implements the interface pbs.ScopeServiceServer.
func (s Service) DeleteScope(ctx context.Context, req *pbs.DeleteScopeRequest) (*pbs.DeleteScopeResponse, error) {
	if err := validateDeleteRequest(req); err != nil {
		return nil, err
	}
	authResults := s.authResult(ctx, req.GetId(), action.Delete)
	if authResults.Error != nil {
		return nil, authResults.Error
	}
	_, err := s.deleteFromRepo(ctx, req.GetId())
	if err != nil {
		return nil, err
	}
	return nil, nil
}

func (s Service) getFromRepo(ctx context.Context, id string) (*iam.Scope, error) {
	repo, err := s.repoFn()
	if err != nil {
		return nil, err
	}
	out, err := repo.LookupScope(ctx, id)
	if err != nil {
		return nil, err
	}
	if out == nil {
		return nil, handlers.NotFoundErrorf("Scope %q doesn't exist.", id)
	}
	return out, nil
}

func (s Service) createInRepo(ctx context.Context, authResults auth.VerifyResults, req *pbs.CreateScopeRequest) (*iam.Scope, error) {
	const op = "scopes.(Service).createInRepo"
	item := req.GetItem()
	var opts []iam.Option
	if item.GetName() != nil {
		opts = append(opts, iam.WithName(item.GetName().GetValue()))
	}
	if item.GetDescription() != nil {
		opts = append(opts, iam.WithDescription(item.GetDescription().GetValue()))
	}
	opts = append(opts, iam.WithSkipAdminRoleCreation(req.GetSkipAdminRoleCreation()))
	opts = append(opts, iam.WithSkipDefaultRoleCreation(req.GetSkipDefaultRoleCreation()))

	parentScope := authResults.Scope
	var iamScope *iam.Scope
	var err error
	switch parentScope.GetType() {
	case scope.Global.String():
		iamScope, err = iam.NewOrg(opts...)
	case scope.Org.String():
		iamScope, err = iam.NewProject(parentScope.GetId(), opts...)
	}
	if err != nil {
		return nil, handlers.ApiErrorWithCodeAndMessage(codes.Internal, "Unable to build new scope for creation: %v.", err)
	}
	repo, err := s.repoFn()
	if err != nil {
		return nil, err
	}
	out, err := repo.CreateScope(ctx, iamScope, authResults.UserId, opts...)
	if err != nil {
		return nil, errors.Wrap(ctx, err, op, errors.WithMsg("unable to create scope"))
	}
	if out == nil {
		return nil, handlers.ApiErrorWithCodeAndMessage(codes.Internal, "Unable to create scope but no error returned from repository.")
	}
	return out, nil
}

func (s Service) updateInRepo(ctx context.Context, parentScope *pb.ScopeInfo, scopeId string, mask []string, item *pb.Scope) (*iam.Scope, error) {
	const op = "scope.(Service).updateInRepo"
	var opts []iam.Option
	var scopeDesc, scopeName, scopePrimaryAuthMethodId string
	if desc := item.GetDescription(); desc != nil {
		scopeDesc = desc.GetValue()
		opts = append(opts, iam.WithDescription(scopeDesc))
	}
	if name := item.GetName(); name != nil {
		scopeName = name.GetValue()
		opts = append(opts, iam.WithName(scopeName))
	}
	if primaryAuthMethodId := item.GetPrimaryAuthMethodId(); primaryAuthMethodId != nil {
		if !handlers.ValidId(handlers.Id(primaryAuthMethodId.GetValue()), password.AuthMethodPrefix, oidc.AuthMethodPrefix) {
			return nil, handlers.InvalidArgumentErrorf("Error in provided request.", map[string]string{"primary_auth_method_id": "Improperly formatted identifier"})
		}
		scopePrimaryAuthMethodId = primaryAuthMethodId.GetValue()
		opts = append(opts, iam.WithPrimaryAuthMethodId(scopePrimaryAuthMethodId))
	}
	version := item.GetVersion()

	var iamScope *iam.Scope
	var err error
	switch {
	case scopeId == scope.Global.String():
		// boundary does not allow you to create a new global scope, so
		// we'll build the required scope by hand for the update.
		s := iam.AllocScope()
		s.PublicId = scopeId
		iamScope = &s
		iamScope.Description = scopeDesc
		iamScope.Name = scopeName
		iamScope.PrimaryAuthMethodId = scopePrimaryAuthMethodId
	case parentScope.GetType() == scope.Global.String():
		iamScope, err = iam.NewOrg(opts...)
	case parentScope.GetType() == scope.Org.String():
		iamScope, err = iam.NewProject(parentScope.GetId(), opts...)
	}
	if err != nil {
		return nil, handlers.ApiErrorWithCodeAndMessage(codes.Internal, "Unable to build scope for update: %v.", err)
	}
	iamScope.PublicId = scopeId
	dbMask := maskManager.Translate(mask)
	if len(dbMask) == 0 {
		return nil, handlers.InvalidArgumentErrorf("No valid fields included in the update mask.", map[string]string{"update_mask": "No valid fields provided in the update mask."})
	}
	repo, err := s.repoFn()
	if err != nil {
		return nil, err
	}
	out, rowsUpdated, err := repo.UpdateScope(ctx, iamScope, version, dbMask)
	if err != nil {
		return nil, errors.Wrap(ctx, err, op, errors.WithMsg("unable to update project"))
	}
	if rowsUpdated == 0 {
		return nil, handlers.NotFoundErrorf("Scope %q doesn't exist or incorrect version provided.", scopeId)
	}
	return out, nil
}

func (s Service) deleteFromRepo(ctx context.Context, scopeId string) (bool, error) {
	const op = "scope.(Service).deleteFromRepo"
	repo, err := s.repoFn()
	if err != nil {
		return false, err
	}
	rows, err := repo.DeleteScope(ctx, scopeId)
	if err != nil {
		return false, errors.Wrap(ctx, err, op, errors.WithMsg("unable to delete scope"))
	}
	return rows > 0, nil
}

func SortScopes(scps []*pb.Scope) {
	// We stable sort here even though the database may not return things in
	// sorted order, still nice to have them as consistent as possible.
	sort.SliceStable(scps, func(i, j int) bool {
		return scps[i].GetId() < scps[j].GetId()
	})
}

func (s Service) listFromRepo(ctx context.Context, scopeIds []string) ([]*iam.Scope, error) {
	repo, err := s.repoFn()
	if err != nil {
		return nil, err
	}
	scps, err := repo.ListScopes(ctx, scopeIds)
	if err != nil {
		return nil, handlers.ApiErrorWithCodeAndMessage(codes.Internal, "Unable to list scopes: %v", err)
	}
	return scps, nil
}

func (s Service) authResult(ctx context.Context, id string, a action.Type) auth.VerifyResults {
	res := auth.VerifyResults{}
	repo, err := s.repoFn()
	if err != nil {
		res.Error = err
		return res
	}

	var parentId string
	opts := []auth.Option{auth.WithType(resource.Scope), auth.WithAction(a)}
	switch a {
	case action.List, action.Create:
		parentId = id
		s, err := repo.LookupScope(ctx, parentId)
		if err != nil {
			res.Error = err
			return res
		}
		if s == nil {
			res.Error = handlers.NotFoundError()
			return res
		}
	default:
		s, err := repo.LookupScope(ctx, id)
		if err != nil {
			res.Error = err
			return res
		}
		if s == nil {
			res.Error = handlers.NotFoundError()
			return res
		}
		parentId = s.GetParentId()
		opts = append(opts, auth.WithId(id))
	}
	opts = append(opts, auth.WithScopeId(parentId))
	return auth.Verify(ctx, opts...)
}

func ToProto(ctx context.Context, in *iam.Scope, opt ...handlers.Option) (*pb.Scope, error) {
	opts := handlers.GetOpts(opt...)
	if opts.WithOutputFields == nil {
		return nil, handlers.ApiErrorWithCodeAndMessage(codes.Internal, "output fields not found when building scope proto")
	}
	outputFields := *opts.WithOutputFields

	out := pb.Scope{}
	if outputFields.Has(globals.IdField) {
		out.Id = in.GetPublicId()
	}
	if outputFields.Has(globals.ScopeIdField) {
		out.ScopeId = in.GetParentId()
	}
	if outputFields.Has(globals.TypeField) {
		out.Type = in.GetType()
	}
	if outputFields.Has(globals.DescriptionField) && in.GetDescription() != "" {
		out.Description = wrapperspb.String(in.GetDescription())
	}
	if outputFields.Has(globals.NameField) && in.GetName() != "" {
		out.Name = wrapperspb.String(in.GetName())
	}
	if outputFields.Has(globals.CreatedTimeField) {
		out.CreatedTime = in.GetCreateTime().GetTimestamp()
	}
	if outputFields.Has(globals.UpdatedTimeField) {
		out.UpdatedTime = in.GetUpdateTime().GetTimestamp()
	}
	if outputFields.Has(globals.VersionField) {
		out.Version = in.GetVersion()
	}
	if outputFields.Has(globals.ScopeField) {
		out.Scope = opts.WithScope
	}
	if outputFields.Has(globals.AuthorizedActionsField) {
		out.AuthorizedActions = opts.WithAuthorizedActions
	}
	if outputFields.Has(globals.AuthorizedCollectionActionsField) {
		out.AuthorizedCollectionActions = opts.WithAuthorizedCollectionActions
	}
	if outputFields.Has(globals.PrimaryAuthMethodIdField) && in.GetPrimaryAuthMethodId() != "" {
		out.PrimaryAuthMethodId = &wrapperspb.StringValue{Value: in.GetPrimaryAuthMethodId()}
	}

	return &out, nil
}

// A validateX method should exist for each method above.  These methods do not make calls to any backing service but enforce
// requirements on the structure of the request.  They verify that:
//  * The path passed in is correctly formatted
//  * All required parameters are set
//  * There are no conflicting parameters provided
func validateGetRequest(req *pbs.GetScopeRequest) error {
	badFields := map[string]string{}
	id := req.GetId()
	switch {
	case id == scope.Global.String():
	case strings.HasPrefix(id, scope.Org.Prefix()):
		if !handlers.ValidId(handlers.Id(id), scope.Org.Prefix()) {
			badFields["id"] = "Invalidly formatted scope id."
		}
	case strings.HasPrefix(id, scope.Project.Prefix()):
		if !handlers.ValidId(handlers.Id(id), scope.Project.Prefix()) {
			badFields["id"] = "Invalidly formatted scope id."
		}
	default:
		badFields["id"] = "Invalidly formatted scope id."
	}
	if len(badFields) > 0 {
		return handlers.InvalidArgumentErrorf("Error in provided request.", badFields)
	}
	return nil
}

func validateCreateRequest(req *pbs.CreateScopeRequest) error {
	badFields := map[string]string{}
	item := req.GetItem()
	if item.GetScopeId() == "" {
		badFields["scope_id"] = "Missing value for scope_id."
	}
	switch item.GetType() {
	case scope.Global.String():
		badFields["type"] = "Cannot create a global scope."
	case scope.Org.String():
		if !strings.EqualFold(scope.Global.String(), item.GetScopeId()) {
			badFields["type"] = "Org scopes can only be created under the global scope."
		}
	case scope.Project.String():
		if !handlers.ValidId(handlers.Id(item.GetScopeId()), scope.Org.Prefix()) {
			badFields["type"] = "Project scopes can only be created under an org scope."
		}
	}
	if item.GetId() != "" {
		badFields["id"] = "This is a read only field."
	}
	if item.GetCreatedTime() != nil {
		badFields["created_time"] = "This is a read only field."
	}
	if item.GetUpdatedTime() != nil {
		badFields["updated_time"] = "This is a read only field."
	}
	if item.GetVersion() != 0 {
		badFields["version"] = "This cannot be specified at create time."
	}
	if len(badFields) > 0 {
		return handlers.InvalidArgumentErrorf("Error in provided request.", badFields)
	}
	return nil
}

func validateUpdateRequest(req *pbs.UpdateScopeRequest) error {
	badFields := map[string]string{}
	id := req.GetId()
	switch {
	case id == scope.Global.String():
	case strings.HasPrefix(id, scope.Org.Prefix()):
		if !handlers.ValidId(handlers.Id(id), scope.Org.Prefix()) {
			badFields["id"] = "Invalidly formatted scope id."
		}
		if req.GetItem().GetType() != "" && !strings.EqualFold(scope.Org.String(), req.GetItem().GetType()) {
			badFields["type"] = "Cannot modify the resource type."
		}
	case strings.HasPrefix(id, scope.Project.Prefix()):
		if !handlers.ValidId(handlers.Id(id), scope.Project.Prefix()) {
			badFields["id"] = "Invalidly formatted scope id."
		}
		if req.GetItem().GetType() != "" && !strings.EqualFold(scope.Project.String(), req.GetItem().GetType()) {
			badFields["type"] = "Cannot modify the resource type."
		}
	default:
		badFields["id"] = "Invalidly formatted scope id."
	}
	if req.GetUpdateMask() == nil {
		badFields["update_mask"] = "UpdateMask not provided but is required to update a project."
	}

	item := req.GetItem()
	if item == nil {
		if len(badFields) > 0 {
			return handlers.InvalidArgumentErrorf("Error in provided request.", badFields)
		}
		// It is legitimate for no item to be specified in an update request as it indicates all fields provided in
		// the mask will be marked as unset.
		return nil
	}
	if item.GetVersion() == 0 {
		badFields["version"] = "Existing resource version is required for an update."
	}
	if item.GetId() != "" {
		badFields["id"] = "This is a read only field and cannot be specified in an update request."
	}
	if item.GetCreatedTime() != nil {
		badFields["created_time"] = "This is a read only field and cannot be specified in an update request."
	}
	if item.GetUpdatedTime() != nil {
		badFields["updated_time"] = "This is a read only field and cannot be specified in an update request."
	}
	if item.GetPrimaryAuthMethodId().GetValue() != "" && !handlers.ValidId(handlers.Id(item.GetPrimaryAuthMethodId().GetValue()), password.AuthMethodPrefix, oidc.AuthMethodPrefix) {
		badFields["primary_auth_method_id"] = "Improperly formatted identifier."
	}
	if len(badFields) > 0 {
		return handlers.InvalidArgumentErrorf("Error in provided request.", badFields)
	}

	return nil
}

func validateDeleteRequest(req *pbs.DeleteScopeRequest) error {
	badFields := map[string]string{}
	id := req.GetId()
	switch {
	case id == scope.Global.String():
		badFields["id"] = "Invalid to delete the global scope."
	case strings.HasPrefix(id, scope.Org.Prefix()):
		if !handlers.ValidId(handlers.Id(id), scope.Org.Prefix()) {
			badFields["id"] = "Invalidly formatted scope id."
		}
	case strings.HasPrefix(id, scope.Project.Prefix()):
		if !handlers.ValidId(handlers.Id(id), scope.Project.Prefix()) {
			badFields["id"] = "Invalidly formatted scope id."
		}
	default:
		badFields["id"] = "Invalidly formatted scope id."
	}
	if len(badFields) > 0 {
		return handlers.InvalidArgumentErrorf("Error in provided request.", badFields)
	}
	return nil
}

func validateListRequest(req *pbs.ListScopesRequest) error {
	badFields := map[string]string{}
	if req.GetScopeId() != scope.Global.String() && !handlers.ValidId(handlers.Id(req.GetScopeId()), scope.Org.Prefix()) {
		badFields["scope_id"] = "Must be 'global' or a valid org scope id when listing."
	}
	if _, err := handlers.NewFilter(req.GetFilter()); err != nil {
		badFields["filter"] = fmt.Sprintf("This field could not be parsed. %v", err)
	}
	if len(badFields) > 0 {
		return handlers.InvalidArgumentErrorf("Error in provided request.", badFields)
	}
	return nil
}