forked from gravitational/teleport
/
grpcserver.go
4482 lines (3981 loc) · 135 KB
/
grpcserver.go
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/*
Copyright 2018-2021 Gravitational, 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
http://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 auth
import (
"context"
"crypto/tls"
"fmt"
"io"
"net"
"time"
"github.com/coreos/go-semver/semver"
"github.com/google/uuid"
"github.com/gravitational/trace"
"github.com/gravitational/trace/trail"
"github.com/prometheus/client_golang/prometheus"
"github.com/sirupsen/logrus"
"go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc"
collectortracepb "go.opentelemetry.io/proto/otlp/collector/trace/v1"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
_ "google.golang.org/grpc/encoding/gzip" // gzip compressor for gRPC.
"google.golang.org/grpc/keepalive"
"google.golang.org/grpc/peer"
"google.golang.org/grpc/status"
emptypb "google.golang.org/protobuf/types/known/emptypb"
"github.com/zmb3/teleport"
"github.com/zmb3/teleport/api/client"
"github.com/zmb3/teleport/api/client/proto"
"github.com/zmb3/teleport/api/metadata"
"github.com/zmb3/teleport/api/types"
apievents "github.com/zmb3/teleport/api/types/events"
"github.com/zmb3/teleport/api/types/installers"
"github.com/zmb3/teleport/api/types/wrappers"
"github.com/zmb3/teleport/api/utils/keys"
wanlib "github.com/zmb3/teleport/lib/auth/webauthn"
"github.com/zmb3/teleport/lib/events"
"github.com/zmb3/teleport/lib/httplib"
"github.com/zmb3/teleport/lib/joinserver"
"github.com/zmb3/teleport/lib/observability/metrics"
"github.com/zmb3/teleport/lib/services"
"github.com/zmb3/teleport/lib/session"
"github.com/zmb3/teleport/lib/utils"
)
var (
heartbeatConnectionsReceived = prometheus.NewCounter(
prometheus.CounterOpts{
Name: teleport.MetricHeartbeatConnectionsReceived,
Help: "Number of times auth received a heartbeat connection",
},
)
watcherEventsEmitted = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Name: teleport.MetricWatcherEventsEmitted,
Help: "Per resources size of events emitted",
Buckets: prometheus.LinearBuckets(0, 200, 5),
},
[]string{teleport.TagResource},
)
watcherEventSizes = prometheus.NewHistogram(
prometheus.HistogramOpts{
Name: teleport.MetricWatcherEventSizes,
Help: "Overall size of events emitted",
Buckets: prometheus.LinearBuckets(0, 100, 20),
},
)
connectedResources = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: teleport.MetricNamespace,
Name: teleport.MetricConnectedResources,
Help: "Tracks the number and type of resources connected via keepalives",
},
[]string{teleport.TagType},
)
)
// GRPCServer is GPRC Auth Server API
type GRPCServer struct {
*logrus.Entry
APIConfig
server *grpc.Server
// TraceServiceServer exposes the exporter server so that the auth server may
// collect and forward spans
collectortracepb.TraceServiceServer
}
func (g *GRPCServer) serverContext() context.Context {
return g.AuthServer.closeCtx
}
// Export forwards OTLP traces to the upstream collector configured in the tracing service. This allows for
// tsh, tctl, etc to be able to export traces without having to know how to connect to the upstream collector
// for the cluster.
func (g *GRPCServer) Export(ctx context.Context, req *collectortracepb.ExportTraceServiceRequest) (*collectortracepb.ExportTraceServiceResponse, error) {
auth, err := g.authenticate(ctx)
if err != nil {
return nil, trace.Wrap(err)
}
if len(req.ResourceSpans) == 0 {
return &collectortracepb.ExportTraceServiceResponse{}, nil
}
return auth.Export(ctx, req)
}
// GetServer returns an instance of grpc server
func (g *GRPCServer) GetServer() (*grpc.Server, error) {
if g.server == nil {
return nil, trace.BadParameter("grpc server has not been initialized")
}
return g.server, nil
}
// EmitAuditEvent emits audit event
func (g *GRPCServer) EmitAuditEvent(ctx context.Context, req *apievents.OneOf) (*emptypb.Empty, error) {
auth, err := g.authenticate(ctx)
if err != nil {
return nil, trace.Wrap(err)
}
event, err := apievents.FromOneOf(*req)
if err != nil {
return nil, trace.Wrap(err)
}
err = auth.EmitAuditEvent(ctx, event)
if err != nil {
return nil, trace.Wrap(err)
}
return &emptypb.Empty{}, nil
}
// SendKeepAlives allows node to send a stream of keep alive requests
func (g *GRPCServer) SendKeepAlives(stream proto.AuthService_SendKeepAlivesServer) error {
defer stream.SendAndClose(&emptypb.Empty{})
firstIteration := true
for {
// Authenticate within the loop to block locked-out nodes from heartbeating.
auth, err := g.authenticate(stream.Context())
if err != nil {
return trace.Wrap(err)
}
keepAlive, err := stream.Recv()
if err == io.EOF {
g.Debugf("Connection closed.")
return nil
}
if err != nil {
g.Debugf("Failed to receive heartbeat: %v", err)
return trace.Wrap(err)
}
err = auth.KeepAliveServer(stream.Context(), *keepAlive)
if err != nil {
return trace.Wrap(err)
}
if firstIteration {
g.Debugf("Got heartbeat connection from %v.", auth.User.GetName())
heartbeatConnectionsReceived.Inc()
connectedResources.WithLabelValues(keepAlive.GetType()).Inc()
defer connectedResources.WithLabelValues(keepAlive.GetType()).Dec()
firstIteration = false
}
}
}
// CreateAuditStream creates or resumes audit event stream
func (g *GRPCServer) CreateAuditStream(stream proto.AuthService_CreateAuditStreamServer) error {
auth, err := g.authenticate(stream.Context())
if err != nil {
return trace.Wrap(err)
}
var eventStream apievents.Stream
var sessionID session.ID
g.Debugf("CreateAuditStream connection from %v.", auth.User.GetName())
streamStart := time.Now()
processed := int64(0)
counter := 0
forwardEvents := func(eventStream apievents.Stream) {
for {
select {
case <-stream.Context().Done():
return
case statusUpdate := <-eventStream.Status():
if err := stream.Send(&statusUpdate); err != nil {
g.WithError(err).Debugf("Failed to send status update.")
}
}
}
}
closeStream := func(eventStream apievents.Stream) {
if err := eventStream.Close(auth.CloseContext()); err != nil {
g.WithError(err).Warningf("Failed to flush close the stream.")
} else {
g.Debugf("Flushed and closed the stream.")
}
}
for {
request, err := stream.Recv()
if err == io.EOF {
return nil
}
if err != nil {
g.WithError(err).Debugf("Failed to receive stream request.")
return trace.Wrap(err)
}
if create := request.GetCreateStream(); create != nil {
if eventStream != nil {
return trace.BadParameter("stream is already created or resumed")
}
eventStream, err = auth.CreateAuditStream(stream.Context(), session.ID(create.SessionID))
if err != nil {
// Log the reason why audit stream creation failed. This will
// surface things like AWS/GCP/MinIO credential/configuration
// errors.
g.Errorf("Failed to create audit stream: %q.", err)
return trace.Wrap(err)
}
sessionID = session.ID(create.SessionID)
g.Debugf("Created stream: %v.", err)
go forwardEvents(eventStream)
defer closeStream(eventStream)
} else if resume := request.GetResumeStream(); resume != nil {
if eventStream != nil {
return trace.BadParameter("stream is already created or resumed")
}
eventStream, err = auth.ResumeAuditStream(stream.Context(), session.ID(resume.SessionID), resume.UploadID)
if err != nil {
return trace.Wrap(err)
}
g.Debugf("Resumed stream: %v.", err)
go forwardEvents(eventStream)
defer closeStream(eventStream)
} else if complete := request.GetCompleteStream(); complete != nil {
if eventStream == nil {
return trace.BadParameter("stream is not initialized yet, cannot complete")
}
// do not use stream context to give the auth server finish the upload
// even if the stream's context is canceled
err := eventStream.Complete(auth.CloseContext())
if err != nil {
return trace.Wrap(err)
}
clusterName, err := auth.GetClusterName()
if err != nil {
return trace.Wrap(err)
}
if g.APIConfig.MetadataGetter != nil {
sessionData := g.APIConfig.MetadataGetter.GetUploadMetadata(sessionID)
// TODO(zmb3): this may result in duplicate upload events, as the upload
// completer will emit its own session.upload
event := &apievents.SessionUpload{
Metadata: apievents.Metadata{
Type: events.SessionUploadEvent,
Code: events.SessionUploadCode,
ID: uuid.New().String(),
Index: events.SessionUploadIndex,
ClusterName: clusterName.GetClusterName(),
},
SessionMetadata: apievents.SessionMetadata{
SessionID: string(sessionData.SessionID),
},
SessionURL: sessionData.URL,
}
if err := g.Emitter.EmitAuditEvent(auth.CloseContext(), event); err != nil {
return trace.Wrap(err)
}
}
g.Debugf("Completed stream: %v.", err)
if err != nil {
return trace.Wrap(err)
}
return nil
} else if flushAndClose := request.GetFlushAndCloseStream(); flushAndClose != nil {
if eventStream == nil {
return trace.BadParameter("stream is not initialized yet, cannot flush and close")
}
// flush and close is always done
return nil
} else if oneof := request.GetEvent(); oneof != nil {
if eventStream == nil {
return trace.BadParameter("stream cannot receive an event without first being created or resumed")
}
event, err := apievents.FromOneOf(*oneof)
if err != nil {
g.WithError(err).Debugf("Failed to decode event.")
return trace.Wrap(err)
}
start := time.Now()
err = eventStream.EmitAuditEvent(stream.Context(), event)
if err != nil {
switch {
case events.IsPermanentEmitError(err):
g.WithError(err).WithField("event", event).
Error("Failed to EmitAuditEvent due to a permanent error. Event wil be omitted.")
continue
default:
return trace.Wrap(err)
}
}
event.Size()
processed += int64(event.Size())
seconds := time.Since(streamStart) / time.Second
counter++
if counter%logInterval == 0 {
if seconds > 0 {
kbytes := float64(processed) / 1000
g.Debugf("Processed %v events, tx rate kbytes %v/second.", counter, kbytes/float64(seconds))
}
}
diff := time.Since(start)
if diff > 100*time.Millisecond {
log.Warningf("EmitAuditEvent(%v) took longer than 100ms: %v", event.GetType(), time.Since(event.GetTime()))
}
} else {
g.Errorf("Rejecting unsupported stream request: %v.", request)
return trace.BadParameter("unsupported stream request")
}
}
}
// logInterval is used to log stats after this many events
const logInterval = 10000
// WatchEvents returns a new stream of cluster events
func (g *GRPCServer) WatchEvents(watch *proto.Watch, stream proto.AuthService_WatchEventsServer) error {
auth, err := g.authenticate(stream.Context())
if err != nil {
return trace.Wrap(err)
}
servicesWatch := types.Watch{
Name: auth.User.GetName(),
}
for _, kind := range watch.Kinds {
servicesWatch.Kinds = append(servicesWatch.Kinds, proto.ToWatchKind(kind))
}
if clusterName, err := auth.GetClusterName(); err == nil {
// we might want to enforce a filter for older clients in certain conditions
maybeFilterCertAuthorityWatches(stream.Context(), clusterName.GetClusterName(), auth.Checker.RoleNames(), &servicesWatch)
}
watcher, err := auth.NewWatcher(stream.Context(), servicesWatch)
if err != nil {
return trace.Wrap(err)
}
defer watcher.Close()
for {
select {
case <-stream.Context().Done():
return nil
case <-watcher.Done():
return watcher.Error()
case event := <-watcher.Events():
switch r := event.Resource.(type) {
case *types.RoleV5:
downgraded, err := downgradeRole(stream.Context(), r)
if err != nil {
return trace.Wrap(err)
}
event.Resource = downgraded
}
out, err := client.EventToGRPC(event)
if err != nil {
return trace.Wrap(err)
}
watcherEventsEmitted.WithLabelValues(resourceLabel(event)).Observe(float64(out.Size()))
watcherEventSizes.Observe(float64(out.Size()))
if err := stream.Send(out); err != nil {
return trace.Wrap(err)
}
}
}
}
// maybeFilterCertAuthorityWatches will add filters to the CertAuthority
// WatchKinds in the watch if the client is authenticated as just a `Node` with
// no other roles and if the client is older than the cutoff version, and if the
// WatchKind for KindCertAuthority is trivial, i.e. it's a WatchKind{Kind:
// KindCertAuthority} with no other fields set. In any other case we will assume
// that the client knows what it's doing and the cache watcher will still send
// everything.
//
// DELETE IN 10.0, no supported clients should require this at that point
func maybeFilterCertAuthorityWatches(ctx context.Context, clusterName string, roleNames []string, watch *types.Watch) {
if len(roleNames) != 1 || roleNames[0] != string(types.RoleNode) {
return
}
clientVersionString, ok := metadata.ClientVersionFromContext(ctx)
if !ok {
log.Debug("no client version found in grpc context")
return
}
clientVersion, err := semver.NewVersion(clientVersionString)
if err != nil {
log.WithError(err).Debugf("couldn't parse client version %q", clientVersionString)
return
}
// we treat the entire previous major version as "old" for this version
// check, even if there might have been backports; compliant clients will
// supply their own filter anyway
if !clientVersion.LessThan(certAuthorityFilterVersionCutoff) {
return
}
for i, k := range watch.Kinds {
if k.Kind != types.KindCertAuthority || !k.IsTrivial() {
continue
}
log.Debugf("Injecting filter for CertAuthority watch for Node-only watcher with version %v", clientVersion)
watch.Kinds[i].Filter = types.CertAuthorityFilter{
types.HostCA: clusterName,
types.UserCA: types.Wildcard,
}.IntoMap()
}
}
// certAuthorityFilterVersionCutoff is the version starting from which we stop
// injecting filters for CertAuthority watches in maybeFilterCertAuthorityWatches.
var certAuthorityFilterVersionCutoff = *semver.New("9.0.0")
// resourceLabel returns the label for the provided types.Event
func resourceLabel(event types.Event) string {
if event.Resource == nil {
return event.Type.String()
}
sub := event.Resource.GetSubKind()
if sub == "" {
return fmt.Sprintf("/%s", event.Resource.GetKind())
}
return fmt.Sprintf("/%s/%s", event.Resource.GetKind(), sub)
}
func (g *GRPCServer) GenerateUserCerts(ctx context.Context, req *proto.UserCertsRequest) (*proto.Certs, error) {
auth, err := g.authenticate(ctx)
if err != nil {
return nil, trace.Wrap(err)
}
certs, err := auth.ServerWithRoles.GenerateUserCerts(ctx, *req)
if err != nil {
return nil, trace.Wrap(err)
}
return certs, nil
}
func (g *GRPCServer) GenerateHostCerts(ctx context.Context, req *proto.HostCertsRequest) (*proto.Certs, error) {
auth, err := g.authenticate(ctx)
if err != nil {
return nil, trace.Wrap(err)
}
// Pass along the remote address the request came from to the registration function.
p, ok := peer.FromContext(ctx)
if !ok {
return nil, trace.BadParameter("unable to find peer")
}
req.RemoteAddr = p.Addr.String()
certs, err := auth.ServerWithRoles.GenerateHostCerts(ctx, req)
if err != nil {
return nil, trace.Wrap(err)
}
return certs, nil
}
// DELETE IN: 12.0 (deprecated in v11, but required for back-compat with v10 clients)
func (g *GRPCServer) UnstableAssertSystemRole(ctx context.Context, req *proto.UnstableSystemRoleAssertion) (*emptypb.Empty, error) {
auth, err := g.authenticate(ctx)
if err != nil {
return nil, trail.ToGRPC(err)
}
if err := auth.UnstableAssertSystemRole(ctx, *req); err != nil {
return nil, trail.ToGRPC(err)
}
return &emptypb.Empty{}, nil
}
func (g *GRPCServer) InventoryControlStream(stream proto.AuthService_InventoryControlStreamServer) error {
auth, err := g.authenticate(stream.Context())
if err != nil {
return trail.ToGRPC(err)
}
p, ok := peer.FromContext(stream.Context())
if !ok {
return trace.BadParameter("unable to find peer")
}
ics := client.NewUpstreamInventoryControlStream(stream, p.Addr.String())
if err := auth.RegisterInventoryControlStream(ics); err != nil {
return trail.ToGRPC(err)
}
// hold open the stream until it completes
<-ics.Done()
if trace.IsEOF(ics.Error()) {
return nil
}
return trail.ToGRPC(ics.Error())
}
func (g *GRPCServer) GetInventoryStatus(ctx context.Context, req *proto.InventoryStatusRequest) (*proto.InventoryStatusSummary, error) {
auth, err := g.authenticate(ctx)
if err != nil {
return nil, trail.ToGRPC(err)
}
rsp, err := auth.GetInventoryStatus(ctx, *req)
if err != nil {
return nil, trail.ToGRPC(err)
}
return &rsp, nil
}
func (g *GRPCServer) PingInventory(ctx context.Context, req *proto.InventoryPingRequest) (*proto.InventoryPingResponse, error) {
auth, err := g.authenticate(ctx)
if err != nil {
return nil, trail.ToGRPC(err)
}
rsp, err := auth.PingInventory(ctx, *req)
if err != nil {
return nil, trail.ToGRPC(err)
}
return &rsp, nil
}
func (g *GRPCServer) GetClusterAlerts(ctx context.Context, query *types.GetClusterAlertsRequest) (*proto.GetClusterAlertsResponse, error) {
auth, err := g.authenticate(ctx)
if err != nil {
return nil, trail.ToGRPC(err)
}
alerts, err := auth.GetClusterAlerts(ctx, *query)
if err != nil {
return nil, trail.ToGRPC(err)
}
return &proto.GetClusterAlertsResponse{
Alerts: alerts,
}, nil
}
func (g *GRPCServer) UpsertClusterAlert(ctx context.Context, req *proto.UpsertClusterAlertRequest) (*emptypb.Empty, error) {
auth, err := g.authenticate(ctx)
if err != nil {
return nil, trail.ToGRPC(err)
}
if err := auth.UpsertClusterAlert(ctx, req.Alert); err != nil {
return nil, trail.ToGRPC(err)
}
return &emptypb.Empty{}, nil
}
func (g *GRPCServer) GetUser(ctx context.Context, req *proto.GetUserRequest) (*types.UserV2, error) {
auth, err := g.authenticate(ctx)
if err != nil {
return nil, trace.Wrap(err)
}
user, err := auth.ServerWithRoles.GetUser(req.Name, req.WithSecrets)
if err != nil {
return nil, trace.Wrap(err)
}
v2, ok := user.(*types.UserV2)
if !ok {
log.Warnf("expected type services.UserV2, got %T for user %q", user, user.GetName())
return nil, trace.Errorf("encountered unexpected user type")
}
return v2, nil
}
func (g *GRPCServer) GetCurrentUser(ctx context.Context, req *emptypb.Empty) (*types.UserV2, error) {
auth, err := g.authenticate(ctx)
if err != nil {
return nil, trace.Wrap(err)
}
user, err := auth.ServerWithRoles.GetCurrentUser(ctx)
if err != nil {
return nil, trace.Wrap(err)
}
v2, ok := user.(*types.UserV2)
if !ok {
log.Warnf("expected type services.UserV2, got %T for user %q", user, user.GetName())
return nil, trace.Errorf("encountered unexpected user type")
}
return v2, nil
}
func (g *GRPCServer) GetCurrentUserRoles(_ *emptypb.Empty, stream proto.AuthService_GetCurrentUserRolesServer) error {
auth, err := g.authenticate(stream.Context())
if err != nil {
return trace.Wrap(err)
}
roles, err := auth.ServerWithRoles.GetCurrentUserRoles(stream.Context())
if err != nil {
return trace.Wrap(err)
}
for _, role := range roles {
v5, ok := role.(*types.RoleV5)
if !ok {
log.Warnf("expected type RoleV5, got %T for role %q", role, role.GetName())
return trace.Errorf("encountered unexpected role type")
}
if err := stream.Send(v5); err != nil {
return trace.Wrap(err)
}
}
return nil
}
func (g *GRPCServer) GetUsers(req *proto.GetUsersRequest, stream proto.AuthService_GetUsersServer) error {
auth, err := g.authenticate(stream.Context())
if err != nil {
return trace.Wrap(err)
}
users, err := auth.ServerWithRoles.GetUsers(req.WithSecrets)
if err != nil {
return trace.Wrap(err)
}
for _, user := range users {
v2, ok := user.(*types.UserV2)
if !ok {
log.Warnf("expected type services.UserV2, got %T for user %q", user, user.GetName())
return trace.Errorf("encountered unexpected user type")
}
if err := stream.Send(v2); err != nil {
return trace.Wrap(err)
}
}
return nil
}
// DEPRECATED, DELETE IN 11.0.0: Use GetAccessRequestsV2 instead.
func (g *GRPCServer) GetAccessRequests(ctx context.Context, f *types.AccessRequestFilter) (*proto.AccessRequests, error) {
auth, err := g.authenticate(ctx)
if err != nil {
return nil, trace.Wrap(err)
}
var filter types.AccessRequestFilter
if f != nil {
filter = *f
}
reqs, err := auth.ServerWithRoles.GetAccessRequests(ctx, filter)
if err != nil {
return nil, trace.Wrap(err)
}
collector := make([]*types.AccessRequestV3, 0, len(reqs))
for _, req := range reqs {
r, ok := req.(*types.AccessRequestV3)
if !ok {
err = trace.BadParameter("unexpected access request type %T", req)
return nil, trace.Wrap(err)
}
collector = append(collector, r)
}
return &proto.AccessRequests{
AccessRequests: collector,
}, nil
}
func (g *GRPCServer) GetAccessRequestsV2(f *types.AccessRequestFilter, stream proto.AuthService_GetAccessRequestsV2Server) error {
ctx := stream.Context()
auth, err := g.authenticate(ctx)
if err != nil {
return trace.Wrap(err)
}
var filter types.AccessRequestFilter
if f != nil {
filter = *f
}
reqs, err := auth.ServerWithRoles.GetAccessRequests(ctx, filter)
if err != nil {
return trace.Wrap(err)
}
for _, req := range reqs {
r, ok := req.(*types.AccessRequestV3)
if !ok {
err = trace.BadParameter("unexpected access request type %T", req)
return trace.Wrap(err)
}
if err := stream.Send(r); err != nil {
return trace.Wrap(err)
}
}
return nil
}
func (g *GRPCServer) CreateAccessRequest(ctx context.Context, req *types.AccessRequestV3) (*emptypb.Empty, error) {
auth, err := g.authenticate(ctx)
if err != nil {
return nil, trace.Wrap(err)
}
if err := services.ValidateAccessRequest(req); err != nil {
return nil, trace.Wrap(err)
}
if err := auth.ServerWithRoles.CreateAccessRequest(ctx, req); err != nil {
return nil, trace.Wrap(err)
}
return &emptypb.Empty{}, nil
}
func (g *GRPCServer) DeleteAccessRequest(ctx context.Context, id *proto.RequestID) (*emptypb.Empty, error) {
auth, err := g.authenticate(ctx)
if err != nil {
return nil, trace.Wrap(err)
}
if err := auth.ServerWithRoles.DeleteAccessRequest(ctx, id.ID); err != nil {
return nil, trace.Wrap(err)
}
return &emptypb.Empty{}, nil
}
func (g *GRPCServer) SetAccessRequestState(ctx context.Context, req *proto.RequestStateSetter) (*emptypb.Empty, error) {
auth, err := g.authenticate(ctx)
if err != nil {
return nil, trace.Wrap(err)
}
if req.Delegator != "" {
ctx = WithDelegator(ctx, req.Delegator)
}
if err := auth.ServerWithRoles.SetAccessRequestState(ctx, types.AccessRequestUpdate{
RequestID: req.ID,
State: req.State,
Reason: req.Reason,
Annotations: req.Annotations,
Roles: req.Roles,
}); err != nil {
return nil, trace.Wrap(err)
}
return &emptypb.Empty{}, nil
}
func (g *GRPCServer) SubmitAccessReview(ctx context.Context, review *types.AccessReviewSubmission) (*types.AccessRequestV3, error) {
auth, err := g.authenticate(ctx)
if err != nil {
return nil, trace.Wrap(err)
}
req, err := auth.ServerWithRoles.SubmitAccessReview(ctx, *review)
if err != nil {
return nil, trace.Wrap(err)
}
r, ok := req.(*types.AccessRequestV3)
if !ok {
err = trace.BadParameter("unexpected access request type %T", req)
return nil, trace.Wrap(err)
}
return r, nil
}
func (g *GRPCServer) GetAccessCapabilities(ctx context.Context, req *types.AccessCapabilitiesRequest) (*types.AccessCapabilities, error) {
auth, err := g.authenticate(ctx)
if err != nil {
return nil, trace.Wrap(err)
}
caps, err := auth.ServerWithRoles.GetAccessCapabilities(ctx, *req)
if err != nil {
return nil, trace.Wrap(err)
}
return caps, nil
}
func (g *GRPCServer) CreateResetPasswordToken(ctx context.Context, req *proto.CreateResetPasswordTokenRequest) (*types.UserTokenV3, error) {
auth, err := g.authenticate(ctx)
if err != nil {
return nil, trace.Wrap(err)
}
if req == nil {
req = &proto.CreateResetPasswordTokenRequest{}
}
token, err := auth.CreateResetPasswordToken(ctx, CreateUserTokenRequest{
Name: req.Name,
TTL: time.Duration(req.TTL),
Type: req.Type,
})
if err != nil {
return nil, trace.Wrap(err)
}
r, ok := token.(*types.UserTokenV3)
if !ok {
err = trace.BadParameter("unexpected UserToken type %T", token)
return nil, trace.Wrap(err)
}
return r, nil
}
func (g *GRPCServer) GetResetPasswordToken(ctx context.Context, req *proto.GetResetPasswordTokenRequest) (*types.UserTokenV3, error) {
auth, err := g.authenticate(ctx)
if err != nil {
return nil, trace.Wrap(err)
}
tokenID := ""
if req != nil {
tokenID = req.TokenID
}
token, err := auth.GetResetPasswordToken(ctx, tokenID)
if err != nil {
return nil, trace.Wrap(err)
}
r, ok := token.(*types.UserTokenV3)
if !ok {
err = trace.BadParameter("unexpected UserToken type %T", token)
return nil, trace.Wrap(err)
}
return r, nil
}
// CreateBot creates a new bot and an optional join token.
func (g *GRPCServer) CreateBot(ctx context.Context, req *proto.CreateBotRequest) (*proto.CreateBotResponse, error) {
auth, err := g.authenticate(ctx)
if err != nil {
return nil, trace.Wrap(err)
}
response, err := auth.ServerWithRoles.CreateBot(ctx, req)
if err != nil {
return nil, trace.Wrap(err)
}
log.Infof("%q bot created", req.GetName())
return response, nil
}
// DeleteBot removes a bot and its associated resources.
func (g *GRPCServer) DeleteBot(ctx context.Context, req *proto.DeleteBotRequest) (*emptypb.Empty, error) {
auth, err := g.authenticate(ctx)
if err != nil {
return nil, trace.Wrap(err)
}
if err := auth.ServerWithRoles.DeleteBot(ctx, req.Name); err != nil {
return nil, trace.Wrap(err)
}
log.Infof("%q bot deleted", req.Name)
return &emptypb.Empty{}, nil
}
// GetBotUsers lists all users with a bot label
func (g *GRPCServer) GetBotUsers(_ *proto.GetBotUsersRequest, stream proto.AuthService_GetBotUsersServer) error {
auth, err := g.authenticate(stream.Context())
if err != nil {
return trace.Wrap(err)
}
users, err := auth.ServerWithRoles.GetBotUsers(stream.Context())
if err != nil {
return trace.Wrap(err)
}
for _, user := range users {
v2, ok := user.(*types.UserV2)
if !ok {
log.Warnf("expected type services.UserV2, got %T for user %q", user, user.GetName())
return trace.Errorf("encountered unexpected user type")
}
if err := stream.Send(v2); err != nil {
return trace.Wrap(err)
}
}
return nil
}
// GetPluginData loads all plugin data matching the supplied filter.
func (g *GRPCServer) GetPluginData(ctx context.Context, filter *types.PluginDataFilter) (*proto.PluginDataSeq, error) {
// TODO(fspmarshall): Implement rate-limiting to prevent misbehaving plugins from
// consuming too many server resources.
auth, err := g.authenticate(ctx)
if err != nil {
return nil, trace.Wrap(err)
}
data, err := auth.ServerWithRoles.GetPluginData(ctx, *filter)
if err != nil {
return nil, trace.Wrap(err)
}
var seq []*types.PluginDataV3
for _, rsc := range data {
d, ok := rsc.(*types.PluginDataV3)
if !ok {
err = trace.BadParameter("unexpected plugin data type %T", rsc)
return nil, trace.Wrap(err)
}
seq = append(seq, d)
}
return &proto.PluginDataSeq{
PluginData: seq,
}, nil
}
// UpdatePluginData updates a per-resource PluginData entry.
func (g *GRPCServer) UpdatePluginData(ctx context.Context, params *types.PluginDataUpdateParams) (*emptypb.Empty, error) {
// TODO(fspmarshall): Implement rate-limiting to prevent misbehaving plugins from
// consuming too many server resources.
auth, err := g.authenticate(ctx)
if err != nil {
return nil, trace.Wrap(err)
}
if err := auth.ServerWithRoles.UpdatePluginData(ctx, *params); err != nil {
return nil, trace.Wrap(err)
}
return &emptypb.Empty{}, nil
}
func (g *GRPCServer) Ping(ctx context.Context, req *proto.PingRequest) (*proto.PingResponse, error) {
auth, err := g.authenticate(ctx)
if err != nil {
return nil, trace.Wrap(err)
}
rsp, err := auth.Ping(ctx)
if err != nil {
return nil, trace.Wrap(err)
}
// attempt to set remote addr.
if p, ok := peer.FromContext(ctx); ok {
rsp.RemoteAddr = p.Addr.String()
}
return &rsp, nil
}
// CreateUser inserts a new user entry in a backend.
func (g *GRPCServer) CreateUser(ctx context.Context, req *types.UserV2) (*emptypb.Empty, error) {
auth, err := g.authenticate(ctx)
if err != nil {
return nil, trace.Wrap(err)
}
if err := services.ValidateUser(req); err != nil {
return nil, trace.Wrap(err)
}
if err := services.ValidateUserRoles(ctx, req, auth); err != nil {
return nil, trace.Wrap(err)
}
if err := auth.ServerWithRoles.CreateUser(ctx, req); err != nil {
return nil, trace.Wrap(err)
}
log.Infof("%q user created", req.GetName())
return &emptypb.Empty{}, nil
}
// UpdateUser updates an existing user in a backend.
func (g *GRPCServer) UpdateUser(ctx context.Context, req *types.UserV2) (*emptypb.Empty, error) {
auth, err := g.authenticate(ctx)