73 lines
1.5 KiB
Go
73 lines
1.5 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"
|
|
ctxvalue "github.com/go-gost/x/ctx"
|
|
"github.com/go-gost/x/internal/plugin"
|
|
"google.golang.org/grpc"
|
|
)
|
|
|
|
type grpcPlugin struct {
|
|
conn grpc.ClientConnInterface
|
|
client proto.AuthenticatorClient
|
|
log logger.Logger
|
|
}
|
|
|
|
// NewGRPCPlugin creates an Authenticator plugin based on gRPC.
|
|
func NewGRPCPlugin(name string, addr string, opts ...plugin.Option) auth.Authenticator {
|
|
var options plugin.Options
|
|
for _, opt := range opts {
|
|
opt(&options)
|
|
}
|
|
|
|
log := logger.Default().WithFields(map[string]any{
|
|
"kind": "auther",
|
|
"auther": name,
|
|
})
|
|
conn, err := plugin.NewGRPCConn(addr, &options)
|
|
if err != nil {
|
|
log.Error(err)
|
|
}
|
|
|
|
p := &grpcPlugin{
|
|
conn: conn,
|
|
log: log,
|
|
}
|
|
|
|
if conn != nil {
|
|
p.client = proto.NewAuthenticatorClient(conn)
|
|
}
|
|
return p
|
|
}
|
|
|
|
// Authenticate checks the validity of the provided user-password pair.
|
|
func (p *grpcPlugin) Authenticate(ctx context.Context, user, password string, opts ...auth.Option) (string, bool) {
|
|
if p.client == nil {
|
|
return "", false
|
|
}
|
|
|
|
r, err := p.client.Authenticate(ctx,
|
|
&proto.AuthenticateRequest{
|
|
Username: user,
|
|
Password: password,
|
|
Client: string(ctxvalue.ClientAddrFromContext(ctx)),
|
|
})
|
|
if err != nil {
|
|
p.log.Error(err)
|
|
return "", false
|
|
}
|
|
return r.Id, r.Ok
|
|
}
|
|
|
|
func (p *grpcPlugin) Close() error {
|
|
if closer, ok := p.conn.(io.Closer); ok {
|
|
return closer.Close()
|
|
}
|
|
return nil
|
|
}
|