x/auth/plugin.go
2023-09-19 22:31:37 +08:00

59 lines
1.2 KiB
Go

package auth
import (
"context"
"io"
"github.com/go-gost/core/auth"
"github.com/go-gost/core/logger"
"github.com/go-gost/plugin/auth/proto"
"google.golang.org/grpc"
)
type grpcPluginAuthenticator struct {
conn grpc.ClientConnInterface
client proto.AuthenticatorClient
log logger.Logger
}
// NewGRPCPluginAuthenticator creates an Authenticator plugin based on gRPC.
func NewGRPCPluginAuthenticator(name string, conn grpc.ClientConnInterface) auth.Authenticator {
p := &grpcPluginAuthenticator{
conn: conn,
log: logger.Default().WithFields(map[string]any{
"kind": "auther",
"auther": name,
}),
}
if conn != nil {
p.client = proto.NewAuthenticatorClient(conn)
}
return p
}
// Authenticate checks the validity of the provided user-password pair.
func (p *grpcPluginAuthenticator) Authenticate(ctx context.Context, user, password string) (bool, string) {
if p.client == nil {
return false, ""
}
r, err := p.client.Authenticate(ctx,
&proto.AuthenticateRequest{
Username: user,
Password: password,
})
if err != nil {
p.log.Error(err)
return false, ""
}
return r.Ok, r.Id
}
func (p *grpcPluginAuthenticator) Close() error {
if closer, ok := p.conn.(io.Closer); ok {
return closer.Close()
}
return nil
}