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enrollment_manager.go
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/
enrollment_manager.go
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/*
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 model
import (
"crypto/x509"
"fmt"
"github.com/michaelquigley/pfxlog"
"github.com/openziti/foundation/v2/errorz"
"github.com/openziti/storage/boltz"
"github.com/openziti/ziti/common/cert"
"github.com/openziti/ziti/common/eid"
"github.com/openziti/ziti/common/pb/cmd_pb"
"github.com/openziti/ziti/common/pb/edge_cmd_pb"
"github.com/openziti/ziti/controller/apierror"
"github.com/openziti/ziti/controller/change"
"github.com/openziti/ziti/controller/command"
"github.com/openziti/ziti/controller/db"
"github.com/openziti/ziti/controller/fields"
"github.com/openziti/ziti/controller/models"
"github.com/openziti/ziti/controller/network"
"github.com/pkg/errors"
"go.etcd.io/bbolt"
"google.golang.org/protobuf/proto"
"time"
)
type EnrollmentManager struct {
baseEntityManager[*Enrollment, *db.Enrollment]
enrollmentStore db.EnrollmentStore
}
func NewEnrollmentManager(env Env) *EnrollmentManager {
manager := &EnrollmentManager{
baseEntityManager: newBaseEntityManager[*Enrollment, *db.Enrollment](env, env.GetStores().Enrollment),
enrollmentStore: env.GetStores().Enrollment,
}
manager.impl = manager
network.RegisterManagerDecoder[*Enrollment](env.GetHostController().GetNetwork().GetManagers(), manager)
RegisterCommand(env, &ReplaceEnrollmentWithAuthenticatorCmd{}, &edge_cmd_pb.ReplaceEnrollmentWithAuthenticatorCmd{})
RegisterCommand(env, &ReEnrollEdgeRouterCmd{}, &edge_cmd_pb.ReEnrollEdgeRouterCmd{})
return manager
}
func (self *EnrollmentManager) Create(entity *Enrollment, ctx *change.Context) error {
return network.DispatchCreate[*Enrollment](self, entity, ctx)
}
func (self *EnrollmentManager) ApplyCreate(cmd *command.CreateEntityCommand[*Enrollment], ctx boltz.MutateContext) error {
model := cmd.Entity
if model.EdgeRouterId != nil || model.TransitRouterId != nil {
_, err := self.createEntity(model, ctx)
return err
}
if model.IdentityId == nil {
return apierror.NewBadRequestFieldError(*errorz.NewFieldError("identity not found", "identityId", model.IdentityId))
}
identity, err := self.env.GetManagers().Identity.Read(*model.IdentityId)
if err != nil || identity == nil {
return apierror.NewBadRequestFieldError(*errorz.NewFieldError("identity not found", "identityId", model.IdentityId))
}
if model.ExpiresAt.Before(time.Now()) {
return apierror.NewBadRequestFieldError(*errorz.NewFieldError("expiresAt must be in the future", "expiresAt", model.ExpiresAt))
}
expiresAt := model.ExpiresAt.UTC()
model.ExpiresAt = &expiresAt
switch model.Method {
case db.MethodEnrollOttCa:
if model.CaId == nil {
return apierror.NewBadRequestFieldError(*errorz.NewFieldError("ca not found", "caId", model.CaId))
}
ca, err := self.env.GetManagers().Ca.Read(*model.CaId)
if err != nil || ca == nil {
return apierror.NewBadRequestFieldError(*errorz.NewFieldError("ca not found", "caId", model.CaId))
}
case db.MethodAuthenticatorUpdb:
if model.Username == nil || *model.Username == "" {
return apierror.NewBadRequestFieldError(*errorz.NewFieldError("username not provided", "username", model.Username))
}
case db.MethodEnrollOtt:
default:
return apierror.NewBadRequestFieldError(*errorz.NewFieldError("unsupported enrollment method", "method", model.Method))
}
enrollments, err := self.Query(fmt.Sprintf(`identity="%s"`, identity.Id))
if err != nil {
return err
}
for _, enrollment := range enrollments {
if enrollment.Method == model.Method {
return apierror.NewEnrollmentExists(model.Method)
}
}
if err := model.FillJwtInfoWithExpiresAt(self.env, identity.Id, *model.ExpiresAt); err != nil {
return err
}
_, err = self.createEntity(model, ctx)
return err
}
func (self *EnrollmentManager) Update(entity *Enrollment, checker fields.UpdatedFields, ctx *change.Context) error {
return network.DispatchUpdate[*Enrollment](self, entity, checker, ctx)
}
func (self *EnrollmentManager) ApplyUpdate(cmd *command.UpdateEntityCommand[*Enrollment], ctx boltz.MutateContext) error {
return self.updateEntity(cmd.Entity, cmd.UpdatedFields, ctx)
}
func (self *EnrollmentManager) newModelEntity() *Enrollment {
return &Enrollment{}
}
func (self *EnrollmentManager) getEnrollmentMethod(ctx EnrollmentContext) (string, error) {
method := ctx.GetMethod()
if method == db.MethodEnrollCa {
return method, nil
}
token := ctx.GetToken()
// token present, assumes all other enrollment methods
enrollment, err := self.ReadByToken(token)
if err != nil {
return "", err
}
if enrollment == nil {
return "", apierror.NewInvalidEnrollmentToken()
}
method = enrollment.Method
return method, nil
}
func (self *EnrollmentManager) Enroll(ctx EnrollmentContext) (*EnrollmentResult, error) {
method, err := self.getEnrollmentMethod(ctx)
if err != nil {
return nil, err
}
enrollModule := self.env.GetEnrollRegistry().GetByMethod(method)
if enrollModule == nil {
return nil, apierror.NewInvalidEnrollMethod()
}
return enrollModule.Process(ctx)
}
func (self *EnrollmentManager) ReadByToken(token string) (*Enrollment, error) {
enrollment := &Enrollment{}
err := self.env.GetDbProvider().GetDb().View(func(tx *bbolt.Tx) error {
boltEntity, err := self.env.GetStores().Enrollment.LoadOneByToken(tx, token)
if err != nil {
return err
}
if boltEntity == nil {
enrollment = nil
return nil
}
return enrollment.fillFrom(self.env, tx, boltEntity)
})
if err != nil {
return nil, err
}
return enrollment, nil
}
func (self *EnrollmentManager) ReplaceWithAuthenticator(enrollmentId string, authenticator *Authenticator, ctx *change.Context) error {
return self.Dispatch(&ReplaceEnrollmentWithAuthenticatorCmd{
manager: self,
enrollmentId: enrollmentId,
authenticator: authenticator,
ctx: ctx,
})
}
// GetCertChainPem parses a given certificate in raw DER and attempt to provide string in PEM format of the
// original certificate followed by each signing intermediate up to but not including the root CA.
func (self *EnrollmentManager) GetCertChainPem(certRaw []byte) (string, error) {
clientCert, err := x509.ParseCertificate(certRaw)
if err != nil {
pfxlog.Logger().WithError(err).Error("error parsing cert raw during enrollment, attempting to assemble chain")
return "", err
}
var clientChainPem []byte
clientChain := self.env.GetHostController().Identity().CaPool().GetChainMinusRoot(clientCert)
for _, c := range clientChain {
pemData, err := cert.RawToPem(c.Raw)
if err != nil {
return "", err
}
clientChainPem = append(clientChainPem, pemData...)
}
return string(clientChainPem), nil
}
func (self *EnrollmentManager) ApplyReplaceEncoderWithAuthenticatorCommand(cmd *ReplaceEnrollmentWithAuthenticatorCmd, ctx boltz.MutateContext) error {
return self.env.GetDbProvider().GetDb().Update(ctx, func(ctx boltz.MutateContext) error {
err := self.env.GetStores().Enrollment.DeleteById(ctx, cmd.enrollmentId)
if err != nil {
return err
}
_, err = self.env.GetManagers().Authenticator.createEntityInTx(ctx, cmd.authenticator)
return err
})
}
func (self *EnrollmentManager) readInTx(tx *bbolt.Tx, id string) (*Enrollment, error) {
modelEntity := &Enrollment{}
if err := self.readEntityInTx(tx, id, modelEntity); err != nil {
return nil, err
}
return modelEntity, nil
}
func (self *EnrollmentManager) Read(id string) (*Enrollment, error) {
entity := &Enrollment{}
if err := self.readEntity(id, entity); err != nil {
return nil, err
}
return entity, nil
}
func (self *EnrollmentManager) RefreshJwt(id string, expiresAt time.Time, ctx *change.Context) error {
enrollment, err := self.Read(id)
if err != nil {
if boltz.IsErrNotFoundErr(err) {
return errorz.NewNotFound()
}
return err
}
if enrollment.Jwt == "" {
return apierror.NewInvalidEnrollMethod()
}
if expiresAt.Before(time.Now()) {
return errorz.NewFieldError("must be after the current date and time", "expiresAt", expiresAt)
}
if err = enrollment.FillJwtInfoWithExpiresAt(self.env, *enrollment.IdentityId, expiresAt); err != nil {
return err
}
return self.Update(enrollment, fields.UpdatedFieldsMap{
db.FieldEnrollmentJwt: struct{}{},
db.FieldEnrollmentExpiresAt: struct{}{},
db.FieldEnrollmentIssuedAt: struct{}{},
}, ctx)
}
func (self *EnrollmentManager) Query(query string) ([]*Enrollment, error) {
var enrollments []*Enrollment
if err := self.ListWithHandler(query, func(tx *bbolt.Tx, ids []string, qmd *models.QueryMetaData) error {
for _, id := range ids {
enrollment, _ := self.readInTx(tx, id)
if enrollment != nil {
enrollments = append(enrollments, enrollment)
}
}
return nil
}); err != nil {
return nil, err
}
return enrollments, nil
}
func (self *EnrollmentManager) EnrollmentToProtobuf(entity *Enrollment) (*edge_cmd_pb.Enrollment, error) {
tags, err := edge_cmd_pb.EncodeTags(entity.Tags)
if err != nil {
return nil, err
}
msg := &edge_cmd_pb.Enrollment{
Id: entity.Id,
Tags: tags,
Method: entity.Method,
IdentityId: entity.IdentityId,
TransitRouterId: entity.TransitRouterId,
EdgeRouterId: entity.EdgeRouterId,
Token: entity.Token,
IssuedAt: timePtrToPb(entity.IssuedAt),
ExpiresAt: timePtrToPb(entity.ExpiresAt),
Jwt: entity.Jwt,
CaId: entity.CaId,
Username: entity.Username,
}
return msg, nil
}
func (self *EnrollmentManager) Marshall(entity *Enrollment) ([]byte, error) {
msg, err := self.EnrollmentToProtobuf(entity)
if err != nil {
return nil, err
}
return proto.Marshal(msg)
}
func (self *EnrollmentManager) ProtobufToEnrollment(msg *edge_cmd_pb.Enrollment) (*Enrollment, error) {
return &Enrollment{
BaseEntity: models.BaseEntity{
Id: msg.Id,
Tags: edge_cmd_pb.DecodeTags(msg.Tags),
},
Method: msg.Method,
IdentityId: msg.IdentityId,
TransitRouterId: msg.TransitRouterId,
EdgeRouterId: msg.EdgeRouterId,
Token: msg.Token,
IssuedAt: pbTimeToTimePtr(msg.IssuedAt),
ExpiresAt: pbTimeToTimePtr(msg.ExpiresAt),
Jwt: msg.Jwt,
CaId: msg.CaId,
Username: msg.Username,
}, nil
}
func (self *EnrollmentManager) Unmarshall(bytes []byte) (*Enrollment, error) {
msg := &edge_cmd_pb.Enrollment{}
if err := proto.Unmarshal(bytes, msg); err != nil {
return nil, err
}
return self.ProtobufToEnrollment(msg)
}
type ReEnrollEdgeRouterCmd struct {
ctx *change.Context
manager *EnrollmentManager
edgeRouterId string
}
func (d *ReEnrollEdgeRouterCmd) Decode(env Env, msg *edge_cmd_pb.ReEnrollEdgeRouterCmd) error {
d.edgeRouterId = msg.EdgeRouterId
d.ctx = ProtobufToContext(msg.Ctx)
d.manager = env.GetManagers().Enrollment
return nil
}
func (d *ReEnrollEdgeRouterCmd) Apply(ctx boltz.MutateContext) error {
return d.manager.ApplyReEnrollEdgeRouter(d, ctx)
}
func (d *ReEnrollEdgeRouterCmd) GetChangeContext() *change.Context {
return d.ctx
}
func (d *ReEnrollEdgeRouterCmd) Encode() ([]byte, error) {
msg := &edge_cmd_pb.ReEnrollEdgeRouterCmd{
EdgeRouterId: d.edgeRouterId,
}
return cmd_pb.EncodeProtobuf(msg)
}
func (self *EnrollmentManager) ApplyReEnrollEdgeRouter(cmd *ReEnrollEdgeRouterCmd, ctx boltz.MutateContext) error {
log := pfxlog.Logger().WithField("routerId", cmd.edgeRouterId)
return self.GetDb().Update(ctx, func(ctx boltz.MutateContext) error {
log.Info("re-enrolling edge router, removing existing enrollments, creating a new one")
edgeRouter, _, err := self.env.GetStores().EdgeRouter.FindById(ctx.Tx(), cmd.edgeRouterId)
if err != nil {
return err
}
if edgeRouter == nil {
return fmt.Errorf("could not find edge router with id %s", cmd.edgeRouterId)
}
enrollmentIds, _, err := self.GetEnv().GetStores().Enrollment.QueryIds(ctx.Tx(), fmt.Sprintf(`%s = "%s"`, db.FieldEnrollEdgeRouter, cmd.edgeRouterId))
if err != nil {
return err
}
for _, enrollmentId := range enrollmentIds {
err := self.GetEnv().GetStores().Enrollment.DeleteById(ctx, enrollmentId)
if err != nil {
return err
}
}
enrollment := &Enrollment{
BaseEntity: models.BaseEntity{
Id: eid.New(),
},
Method: MethodEnrollEdgeRouterOtt,
EdgeRouterId: &cmd.edgeRouterId,
}
if err := enrollment.FillJwtInfo(self.env, cmd.edgeRouterId); err != nil {
return fmt.Errorf("unable to fill jwt info for re-enrolling edge router: %v", err)
}
dbEnrollment, err := enrollment.toBoltEntityForCreate(ctx.Tx(), self.env)
if err != nil {
return errors.Wrap(err, "could not convert to bolt entity for create")
}
if err := self.env.GetStores().Enrollment.Create(ctx, dbEnrollment); err != nil {
return errors.Wrap(err, "could not create enrollment for re-enrolling edge router")
} else {
log.WithField("enrollmentId", enrollment.Id).Infof("edge router re-enrollment entity created")
}
edgeRouter.Fingerprint = nil
edgeRouter.CertPem = nil
edgeRouter.IsVerified = false
if err := self.env.GetStores().EdgeRouter.Update(ctx, edgeRouter, fields.UpdatedFieldsMap{
db.FieldRouterFingerprint: struct{}{},
db.FieldEdgeRouterCertPEM: struct{}{},
db.FieldEdgeRouterIsVerified: struct{}{},
}); err != nil {
log.WithError(err).Error("unable to update re-enrolling edge router")
return errors.Wrap(err, "unable to update re-enrolling edge router")
}
return nil
})
}
type ReplaceEnrollmentWithAuthenticatorCmd struct {
ctx *change.Context
manager *EnrollmentManager
enrollmentId string
authenticator *Authenticator
}
func (self *ReplaceEnrollmentWithAuthenticatorCmd) Apply(ctx boltz.MutateContext) error {
return self.manager.ApplyReplaceEncoderWithAuthenticatorCommand(self, ctx)
}
func (self *ReplaceEnrollmentWithAuthenticatorCmd) Encode() ([]byte, error) {
authMsg, err := self.manager.GetEnv().GetManagers().Authenticator.AuthenticatorToProtobuf(self.authenticator)
if err != nil {
return nil, err
}
cmd := &edge_cmd_pb.ReplaceEnrollmentWithAuthenticatorCmd{
Ctx: ContextToProtobuf(self.ctx),
EnrollmentId: self.enrollmentId,
Authenticator: authMsg,
}
return cmd_pb.EncodeProtobuf(cmd)
}
func (self *ReplaceEnrollmentWithAuthenticatorCmd) Decode(env Env, msg *edge_cmd_pb.ReplaceEnrollmentWithAuthenticatorCmd) error {
self.ctx = ProtobufToContext(msg.Ctx)
self.manager = env.GetManagers().Enrollment
self.enrollmentId = msg.EnrollmentId
authenticator, err := env.GetManagers().Authenticator.ProtobufToAuthenticator(msg.Authenticator)
if err != nil {
return err
}
self.authenticator = authenticator
return nil
}
func (self *ReplaceEnrollmentWithAuthenticatorCmd) GetChangeContext() *change.Context {
return self.ctx
}