92 lines
2.9 KiB
Go
92 lines
2.9 KiB
Go
// Copyright (c) HashiCorp, Inc.
|
|
// SPDX-License-Identifier: MPL-2.0
|
|
|
|
package acl
|
|
|
|
import (
|
|
"context"
|
|
|
|
"github.com/hashicorp/go-hclog"
|
|
"google.golang.org/grpc"
|
|
"google.golang.org/grpc/codes"
|
|
"google.golang.org/grpc/status"
|
|
|
|
"github.com/hashicorp/consul/acl"
|
|
"github.com/hashicorp/consul/agent/consul/authmethod"
|
|
"github.com/hashicorp/consul/agent/structs"
|
|
"github.com/hashicorp/consul/proto-public/pbacl"
|
|
)
|
|
|
|
type Config struct {
|
|
ACLsEnabled bool
|
|
Logger hclog.Logger
|
|
LoadAuthMethod func(authMethod string, entMeta *acl.EnterpriseMeta) (*structs.ACLAuthMethod, Validator, error)
|
|
NewLogin func() Login
|
|
ForwardRPC func(structs.RPCInfo, func(*grpc.ClientConn) error) (bool, error)
|
|
ValidateEnterpriseRequest func(*acl.EnterpriseMeta, bool) error
|
|
LocalTokensEnabled func() bool
|
|
InPrimaryDatacenter bool
|
|
PrimaryDatacenter string
|
|
NewTokenWriter func() TokenWriter
|
|
}
|
|
|
|
//go:generate mockery --name Login --inpackage
|
|
type Login interface {
|
|
TokenForVerifiedIdentity(identity *authmethod.Identity, authMethod *structs.ACLAuthMethod, description string) (*structs.ACLToken, error)
|
|
}
|
|
|
|
//go:generate mockery --name Validator --inpackage
|
|
type Validator interface {
|
|
ValidateLogin(ctx context.Context, loginToken string) (*authmethod.Identity, error)
|
|
}
|
|
|
|
//go:generate mockery --name TokenWriter --inpackage
|
|
type TokenWriter interface {
|
|
Delete(secretID string, fromLogout bool) error
|
|
}
|
|
|
|
type Server struct {
|
|
Config
|
|
}
|
|
|
|
func NewServer(cfg Config) *Server {
|
|
return &Server{cfg}
|
|
}
|
|
|
|
func (s *Server) Register(grpcServer *grpc.Server) {
|
|
pbacl.RegisterACLServiceServer(grpcServer, s)
|
|
}
|
|
|
|
func (s *Server) requireACLsEnabled(logger hclog.Logger) error {
|
|
if s.ACLsEnabled {
|
|
return nil
|
|
}
|
|
logger.Warn("request blocked ACLs are disabled")
|
|
return status.Error(codes.FailedPrecondition, acl.ErrDisabled.Error())
|
|
}
|
|
|
|
func (s *Server) requireLocalTokens(logger hclog.Logger) error {
|
|
if s.LocalTokensEnabled() {
|
|
return nil
|
|
}
|
|
logger.Warn("request blocked because we're in a non-primary datacenter and token replication is disabled")
|
|
return status.Error(codes.FailedPrecondition, "token replication is required for auth methods to function")
|
|
}
|
|
|
|
func (s *Server) forwardWriteDC(dc string, fn func(*grpc.ClientConn) error, logger hclog.Logger) (bool, error) {
|
|
// For private/internal gRPC handlers, protoc-gen-rpc-glue generates the
|
|
// requisite methods to satisfy the structs.RPCInfo interface using fields
|
|
// from the pbcommon package. This service is public, so we can't use those
|
|
// fields in our proto definition. Instead, we construct our RPCInfo manually.
|
|
var rpcInfo struct {
|
|
structs.WriteRequest // Ensure RPCs are forwarded to the leader.
|
|
structs.DCSpecificRequest // Ensure RPCs are forwarded to the correct datacenter.
|
|
}
|
|
rpcInfo.Datacenter = dc
|
|
|
|
return s.ForwardRPC(&rpcInfo, func(conn *grpc.ClientConn) error {
|
|
logger.Trace("forwarding RPC", "datacenter", dc)
|
|
return fn(conn)
|
|
})
|
|
}
|