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provision.go
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provision.go
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package accounts
import (
"context"
"database/sql"
"fmt"
"regexp"
"time"
db "github.com/coinbase/baseca/db/sqlc"
apiv1 "github.com/coinbase/baseca/gen/go/baseca/v1"
"github.com/coinbase/baseca/internal/attestation/aws_iid"
lib "github.com/coinbase/baseca/internal/lib/authentication"
"github.com/coinbase/baseca/internal/lib/util/validator"
"github.com/coinbase/baseca/internal/logger"
"github.com/coinbase/baseca/internal/types"
"github.com/gogo/status"
"github.com/google/uuid"
"google.golang.org/grpc/codes"
"google.golang.org/protobuf/types/known/emptypb"
"google.golang.org/protobuf/types/known/timestamppb"
)
func (s *Service) CreateProvisionerAccount(ctx context.Context, req *apiv1.CreateProvisionerAccountRequest) (*apiv1.CreateProvisionerAccountResponse, error) {
var service *db.Provisioner
nodeAttestation := []string{}
subject_alternative_names := validator.SanitizeInput(req.SubjectAlternativeNames)
err := s.validateSanInputProvisionerAccount(ctx, req.ProvisionerAccount, req.Environments, req.SubjectAlternativeNames, req.RegularExpression)
if err != nil {
return nil, logger.RpcError(status.Error(codes.InvalidArgument, "provisioner subject alternative name (san) validation error"), fmt.Errorf("provisioner account subject alternative name validation error [%s]", err))
}
if req.MaxCertificateValidity <= 0 {
return nil, logger.RpcError(status.Error(codes.InvalidArgument, "invalid max_certificate_validity parameter"), fmt.Errorf("invalid max_certificate_validity parameter [%d]", req.MaxCertificateValidity))
}
if len(req.Environments) == 0 {
return nil, logger.RpcError(status.Error(codes.InvalidArgument, "invalid environments parameter"), fmt.Errorf("invalid environments parameter"))
}
for _, environment := range req.Environments {
if _, ok := validator.CertificateAuthorityEnvironmentsString[environment]; !ok {
return nil, logger.RpcError(status.Error(codes.InvalidArgument, "invalid certificate authority environment"), fmt.Errorf("invalid certificate authority environment [%s]", environment))
}
}
if len(req.ExtendedKeys) == 0 {
return nil, logger.RpcError(status.Error(codes.InvalidArgument, "invalid extended keys parameter"), fmt.Errorf("invalid extended keys parameter"))
}
for _, extendedKey := range req.ExtendedKeys {
if _, ok := types.CertificateRequestExtension[extendedKey]; !ok {
return nil, logger.RpcError(status.Error(codes.InvalidArgument, "invalid extended key"), fmt.Errorf("invalid key extension [%s]", extendedKey))
}
}
if ok := validator.ValidateEmail(req.Email); !ok {
return nil, logger.RpcError(status.Error(codes.InvalidArgument, "invalid email"), fmt.Errorf("invalid email [%s]", req.Email))
}
if len(req.Team) == 0 {
return nil, logger.RpcError(status.Error(codes.InvalidArgument, "invalid team parameter"), fmt.Errorf("invalid team [%s]", req.Team))
}
client_id, err := uuid.NewRandom()
if err != nil {
return nil, logger.RpcError(status.Error(codes.Internal, "internal server error"), err)
}
clientToken, err := lib.GenerateClientToken(32)
if err != nil {
return nil, logger.RpcError(status.Error(codes.Internal, "internal server error"), err)
}
hashedClientToken, err := lib.HashPassword(clientToken)
if err != nil {
return nil, logger.RpcError(status.Error(codes.Internal, "internal server error"), err)
}
payload, ok := ctx.Value(types.UserAuthenticationContextKey).(*lib.Claims)
if !ok {
return nil, status.Error(codes.InvalidArgument, "service auth context missing")
}
if validator.Contains(req.Environments, types.Production.String()) || req.NodeAttestation != nil {
if err = verifyNodeAttestationParameters(req.NodeAttestation); err != nil {
return nil, logger.RpcError(status.Error(codes.InvalidArgument, err.Error()), err)
}
}
if req.NodeAttestation != nil {
nodeAttestation = aws_iid.GetNodeAttestation(req.NodeAttestation)
account_arg := db.CreateProvisionerAccountParams{
ClientID: client_id,
ApiToken: hashedClientToken,
ProvisionerAccount: req.ProvisionerAccount,
Environments: req.Environments,
NodeAttestation: nodeAttestation,
Team: req.Team,
Email: req.Email,
ValidSubjectAlternateNames: subject_alternative_names,
ExtendedKeys: req.ExtendedKeys,
MaxCertificateValidity: int16(req.MaxCertificateValidity),
CreatedBy: payload.Subject,
CreatedAt: time.Now().UTC(),
}
if len(req.RegularExpression) != 0 {
account_arg.RegularExpression = sql.NullString{String: req.RegularExpression, Valid: len(req.RegularExpression) != 0}
}
raw_message, err := validator.MapToNullRawMessage(req.NodeAttestation.AwsIid.InstanceTags)
if err != nil {
return nil, logger.RpcError(status.Error(codes.Internal, "internal server error"), err)
}
iid_arg := db.StoreInstanceIdentityDocumentParams{
ClientID: client_id,
RoleArn: sql.NullString{String: req.NodeAttestation.AwsIid.RoleArn, Valid: len(req.NodeAttestation.AwsIid.RoleArn) != 0},
AssumeRole: sql.NullString{String: req.NodeAttestation.AwsIid.AssumeRole, Valid: len(req.NodeAttestation.AwsIid.AssumeRole) != 0},
Region: sql.NullString{String: req.NodeAttestation.AwsIid.Region, Valid: len(req.NodeAttestation.AwsIid.Region) != 0},
InstanceID: sql.NullString{String: req.NodeAttestation.AwsIid.InstanceId, Valid: len(req.NodeAttestation.AwsIid.InstanceId) != 0},
ImageID: sql.NullString{String: req.NodeAttestation.AwsIid.ImageId, Valid: len(req.NodeAttestation.AwsIid.ImageId) != 0},
SecurityGroupID: req.NodeAttestation.AwsIid.SecurityGroups,
InstanceTags: raw_message,
}
service, err = s.store.Writer.TxCreateProvisionerAccount(ctx, account_arg, iid_arg)
if err != nil {
return nil, logger.RpcError(status.Error(codes.Internal, "error creating account"), err)
}
} else {
account_arg := db.CreateProvisionerAccountParams{
ClientID: client_id,
ApiToken: hashedClientToken,
ProvisionerAccount: req.ProvisionerAccount,
Environments: req.Environments,
NodeAttestation: nodeAttestation,
Team: req.Team,
Email: req.Email,
ValidSubjectAlternateNames: subject_alternative_names,
ExtendedKeys: req.ExtendedKeys,
MaxCertificateValidity: int16(req.MaxCertificateValidity),
CreatedBy: payload.Subject,
CreatedAt: time.Now().UTC(),
}
if len(req.RegularExpression) != 0 {
account_arg.RegularExpression = sql.NullString{String: req.RegularExpression, Valid: len(req.RegularExpression) != 0}
}
service, err = s.store.Writer.CreateProvisionerAccount(ctx, account_arg)
if err != nil {
return nil, logger.RpcError(status.Error(codes.Internal, "error creating account"), err)
}
}
account := apiv1.CreateProvisionerAccountResponse{
ClientId: service.ClientID.String(),
ClientToken: clientToken,
ProvisionerAccount: service.ProvisionerAccount,
Environments: service.Environments,
NodeAttestation: req.NodeAttestation,
SubjectAlternativeNames: service.ValidSubjectAlternateNames,
ExtendedKeys: service.ExtendedKeys,
MaxCertificateValidity: uint32(service.MaxCertificateValidity),
Team: service.Team,
Email: service.Email,
CreatedAt: timestamppb.New(service.CreatedAt),
CreatedBy: service.CreatedBy.String(),
}
if service.RegularExpression.Valid {
account.RegularExpression = service.RegularExpression.String
}
return &account, nil
}
func (s *Service) DeleteProvisionAccount(ctx context.Context, req *apiv1.AccountId) (*emptypb.Empty, error) {
client_id, err := uuid.Parse(req.Uuid)
if err != nil {
return &emptypb.Empty{}, logger.RpcError(status.Error(codes.InvalidArgument, "invalid uuid format"), err)
}
err = s.store.Writer.TxDeleteProvisionerAccount(ctx, client_id)
if err != nil {
return &emptypb.Empty{}, logger.RpcError(status.Error(codes.Internal, "internal server error"), err)
}
return &emptypb.Empty{}, nil
}
func (s *Service) ProvisionServiceAccount(ctx context.Context, req *apiv1.ProvisionServiceAccountRequest) (*apiv1.ProvisionServiceAccountResponse, error) {
var service *db.Account
nodeAttestation := []string{}
certAuth := []string{}
subject_alternative_names := validator.SanitizeInput(req.SubjectAlternativeNames)
certificate_authorities := validator.SanitizeInput(req.CertificateAuthorities)
payload, ok := ctx.Value(types.ProvisionerAuthenticationContextKey).(*types.ProvisionerAccountPayload)
if !ok {
return nil, logger.RpcError(status.Error(codes.InvalidArgument, "service auth context missing"), fmt.Errorf("service auth context missing"))
}
if !validator.Contains(payload.Environments, req.Environment) {
return nil, logger.RpcError(status.Error(codes.InvalidArgument, "invalid environment"), fmt.Errorf("invalid environment [%s]", req.Environment))
}
err := s.validateSanInputServiceAccount(ctx, req.ServiceAccount, req.Environment, req.SubjectAlternativeNames, &req.RegularExpression)
if err != nil {
return nil, logger.RpcError(status.Error(codes.InvalidArgument, "provisioner subject alternative name (san) validation error"), fmt.Errorf("provisioner subject alternative name validation error [%s]", err))
}
err = s.CheckSubordinateCaRegion(req.SubordinateCa, req.Region, req.Environment, req.CertificateAuthorities)
if err != nil {
return nil, logger.RpcError(status.Error(codes.InvalidArgument, "subordinate ca does not support region"), fmt.Errorf("subordinate ca does not support region [%s] for service account [%s] %s", *req.Region, req.ServiceAccount, err))
}
regex, err := regexp.Compile(payload.RegularExpression)
if err != nil {
return nil, logger.RpcError(status.Error(codes.Internal, "internal server error"), err)
}
for _, reqSan := range req.SubjectAlternativeNames {
if !validator.Contains(payload.ValidSubjectAlternateNames, reqSan) && !regex.Match([]byte(reqSan)) {
return nil, logger.RpcError(status.Error(codes.InvalidArgument, "internal server error"), fmt.Errorf("subject alternative name (san) %s exists in another provisioner account", reqSan))
}
}
if len(certificate_authorities) == 0 {
environment := req.Environment
certificate_authorities := validator.CertificateAuthorityEnvironmentsString[environment]
// Include Default Certificate Authorities
for _, ca := range certificate_authorities {
ca_metadata := s.acmConfig[ca]
if ca_metadata.Default {
// Add Default Certificate Authorities for Region
if req.Region != nil && ca_metadata.Region == *req.Region {
certAuth = append(certAuth, ca)
} else if req.Region == nil {
// Add All Default Certificate Authorities
certAuth = append(certAuth, ca)
}
}
}
if len(certAuth) == 0 {
return nil, logger.RpcError(status.Error(codes.InvalidArgument, "invalid default certificate authority"), fmt.Errorf("invalid default certificate authority for environment [%s]", req.Environment))
}
} else {
certAuth = req.CertificateAuthorities
}
if !validator.Contains(payload.Environments, req.Environment) {
return nil, logger.RpcError(status.Error(codes.InvalidArgument, "invalid extended key"), fmt.Errorf("invalid environment [%s]", req.Environment))
}
err = s.validateCertificateParameters(certAuth, req.Environment, int16(req.CertificateValidity), req.SubordinateCa)
if err != nil {
return nil, logger.RpcError(status.Error(codes.InvalidArgument, err.Error()), err)
}
if _, ok := types.CertificateRequestExtension[req.ExtendedKey]; !ok {
return nil, logger.RpcError(status.Error(codes.InvalidArgument, "invalid extended key"), fmt.Errorf("invalid key extension [%s]", req.ExtendedKey))
}
if !validator.Contains(payload.ExtendedKeys, req.ExtendedKey) && !validator.Contains(payload.ExtendedKeys, "*") {
return nil, logger.RpcError(status.Error(codes.InvalidArgument, "invalid extended key"), fmt.Errorf("invalid key extension [%s]", req.ExtendedKey))
}
if ok := validator.ValidateEmail(req.Email); !ok {
return nil, logger.RpcError(status.Error(codes.InvalidArgument, "invalid email"), fmt.Errorf("invalid email [%s]", req.Email))
}
if len(req.Team) == 0 {
return nil, logger.RpcError(status.Error(codes.InvalidArgument, "invalid team parameter"), fmt.Errorf("invalid team [%s]", req.Team))
}
if req.Environment == types.Production.String() || req.NodeAttestation != nil {
if err = verifyNodeAttestationParameters(req.NodeAttestation); err != nil {
return nil, logger.RpcError(status.Error(codes.InvalidArgument, err.Error()), err)
}
}
client_id, err := uuid.NewRandom()
if err != nil {
return nil, logger.RpcError(status.Error(codes.Internal, "internal server error"), err)
}
clientToken, err := lib.GenerateClientToken(32)
if err != nil {
return nil, logger.RpcError(status.Error(codes.Internal, "internal server error"), err)
}
hashedClientToken, err := lib.HashPassword(clientToken)
if err != nil {
return nil, logger.RpcError(status.Error(codes.Internal, "internal server error"), err)
}
if req.NodeAttestation != nil {
nodeAttestation = aws_iid.GetNodeAttestation(req.NodeAttestation)
account_arg := db.CreateServiceAccountParams{
ClientID: client_id,
ApiToken: hashedClientToken,
ServiceAccount: req.ServiceAccount,
Environment: req.Environment,
NodeAttestation: nodeAttestation,
Team: req.Team,
Email: req.Email,
ValidSubjectAlternateName: subject_alternative_names,
ValidCertificateAuthorities: certAuth,
ExtendedKey: req.ExtendedKey,
CertificateValidity: int16(req.CertificateValidity),
SubordinateCa: req.SubordinateCa,
Provisioned: true,
CreatedBy: payload.ClientId,
CreatedAt: time.Now().UTC(),
}
if len(req.RegularExpression) != 0 {
account_arg.RegularExpression = sql.NullString{String: req.RegularExpression, Valid: len(req.RegularExpression) != 0}
}
raw_message, err := validator.MapToNullRawMessage(req.NodeAttestation.AwsIid.InstanceTags)
if err != nil {
return nil, logger.RpcError(status.Error(codes.Internal, "internal server error"), err)
}
iid_arg := db.StoreInstanceIdentityDocumentParams{
ClientID: client_id,
RoleArn: sql.NullString{String: req.NodeAttestation.AwsIid.RoleArn, Valid: len(req.NodeAttestation.AwsIid.RoleArn) != 0},
AssumeRole: sql.NullString{String: req.NodeAttestation.AwsIid.AssumeRole, Valid: len(req.NodeAttestation.AwsIid.AssumeRole) != 0},
Region: sql.NullString{String: req.NodeAttestation.AwsIid.Region, Valid: len(req.NodeAttestation.AwsIid.Region) != 0},
InstanceID: sql.NullString{String: req.NodeAttestation.AwsIid.InstanceId, Valid: len(req.NodeAttestation.AwsIid.InstanceId) != 0},
ImageID: sql.NullString{String: req.NodeAttestation.AwsIid.ImageId, Valid: len(req.NodeAttestation.AwsIid.ImageId) != 0},
SecurityGroupID: req.NodeAttestation.AwsIid.SecurityGroups,
InstanceTags: raw_message,
}
service, err = s.store.Writer.TxCreateServiceAccount(ctx, account_arg, iid_arg)
if err != nil {
return nil, logger.RpcError(status.Error(codes.Internal, "error creating account"), err)
}
} else {
account_arg := db.CreateServiceAccountParams{
ClientID: client_id,
ApiToken: hashedClientToken,
ServiceAccount: req.ServiceAccount,
Environment: req.Environment,
NodeAttestation: nodeAttestation,
Team: req.Team,
Email: req.Email,
ValidSubjectAlternateName: subject_alternative_names,
ValidCertificateAuthorities: certAuth,
ExtendedKey: req.ExtendedKey,
CertificateValidity: int16(req.CertificateValidity),
SubordinateCa: req.SubordinateCa,
Provisioned: true,
CreatedBy: payload.ClientId,
CreatedAt: time.Now().UTC(),
}
if len(req.RegularExpression) != 0 {
account_arg.RegularExpression = sql.NullString{String: req.RegularExpression, Valid: len(req.RegularExpression) != 0}
}
service, err = s.store.Writer.CreateServiceAccount(ctx, account_arg)
if err != nil {
return nil, logger.RpcError(status.Error(codes.Internal, "error creating account"), err)
}
}
response := apiv1.ProvisionServiceAccountResponse{
ClientId: service.ClientID.String(),
ClientToken: clientToken,
ServiceAccount: service.ServiceAccount,
Environment: service.Environment,
NodeAttestation: req.NodeAttestation,
SubjectAlternativeNames: service.ValidSubjectAlternateName,
ExtendedKey: service.ExtendedKey,
CertificateAuthorities: service.ValidCertificateAuthorities,
CertificateValidity: int32(service.CertificateValidity),
SubordinateCa: service.SubordinateCa,
Team: service.Team,
Email: service.Email,
CreatedAt: timestamppb.New(service.CreatedAt),
CreatedBy: service.CreatedBy.String(),
}
if service.RegularExpression.Valid {
response.RegularExpression = service.RegularExpression.String
}
return &response, nil
}
func (s *Service) CheckSubordinateCaRegion(subordinate_ca string, region *string, environment string, valid_certificate_authorities []string) error {
// Service Account Does Not Contain Region Requirements for CA
if region == nil {
return nil
}
// Get Valid Certificate Authorities for Subordinate CA
arg := db.ListValidCertificateAuthorityFromSubordinateCAParams{
SubordinateCa: subordinate_ca,
Environment: environment,
}
certificate_authorities, err := s.store.Reader.ListValidCertificateAuthorityFromSubordinateCA(context.Background(), arg)
if err != nil {
return fmt.Errorf("error listing valid certificate authority from subordinate ca [%s] %s", subordinate_ca, err)
}
// Generate Map for Certificate Authority Regions for Subordinate CA
subordinate_ca_regions := make(map[string]bool)
for _, ca := range certificate_authorities {
ca_str, ok := ca.(string)
if !ok {
return fmt.Errorf("certificate authority [%s] is not a string in database", ca)
}
region := s.acmConfig[ca_str].Region
subordinate_ca_regions[region] = true
}
// Subordinate CA Across All Service Accounts Must Be In The Same Region
if len(subordinate_ca_regions) != 1 {
return fmt.Errorf("multiple regions present for subordinate ca [%s], cannot support region [%s]", subordinate_ca, *region)
}
if !subordinate_ca_regions[*region] {
return fmt.Errorf("invalid region [%s] for subordinate ca [%s]", *region, subordinate_ca)
}
// Check Valid Certificate Authorities in Correct Region
for _, ca := range valid_certificate_authorities {
if s.acmConfig[ca].Region != *region {
return fmt.Errorf("invalid region [%s] for certificate authority [%s]", *region, ca)
}
}
return nil
}