Adam Van Ymeren
7a04f298d2
- update to latest telegram layer - remove some references to fields in tg.Entities that don't exist in the schema - originally added here: https://github.com/beeper/td/commit/820929062a2ba0104397bc01235ab58a9cff780e - referenced here - https://github.com/mautrix/telegramgo/commit/124f0967ed195b5a380c9bd02e170ada9710dde3 - https://github.com/mautrix/telegramgo/commit/4205047aab2e0639217148b5d125bfaab668bd8e
93 lines
2.2 KiB
Go
93 lines
2.2 KiB
Go
package tgtest
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import (
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"context"
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"github.com/go-faster/errors"
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"go.mau.fi/mautrix-telegram/pkg/gotd/bin"
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"go.mau.fi/mautrix-telegram/pkg/gotd/exchange"
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"go.mau.fi/mautrix-telegram/pkg/gotd/proto/codec"
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"go.mau.fi/mautrix-telegram/pkg/gotd/transport"
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)
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func (s *Server) read(ctx context.Context, conn transport.Conn, b *bin.Buffer) error {
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b.Reset()
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ctx, cancel := context.WithTimeout(ctx, s.readTimeout)
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defer cancel()
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if err := conn.Recv(ctx, b); err != nil {
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return err
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}
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return nil
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}
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func (s *Server) sendProtoError(ctx context.Context, conn transport.Conn, e int32) error {
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var buf bin.Buffer
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buf.PutInt32(-e)
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ctx, cancel := context.WithTimeout(ctx, s.writeTimeout)
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defer cancel()
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if err := conn.Send(ctx, &buf); err != nil {
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return errors.Wrap(err, "send")
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}
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return nil
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}
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func (s *Server) serveConn(ctx context.Context, conn transport.Conn) error {
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s.log.Debug("User connected")
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defer func() {
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_ = conn.Close()
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s.log.Debug("User disconnected")
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}()
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b := new(bin.Buffer)
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for {
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if err := s.read(ctx, conn, b); err != nil {
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return errors.Wrap(err, "read")
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}
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var authKeyID [8]byte
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if err := b.PeekN(authKeyID[:], len(authKeyID)); err != nil {
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return errors.Wrap(err, "peek id")
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}
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// TODO(tdakkota): dispatch by type ID instead?
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if _, ok := s.users.getSession(authKeyID); ok {
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if err := s.rpcHandle(ctx, conn, b); err != nil {
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return errors.Wrap(err, "handle")
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}
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continue
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}
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// If authKeyID not found and is not zero, so send protocol error.
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if authKeyID != [8]byte{} {
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if err := s.sendProtoError(ctx, conn, codec.CodeAuthKeyNotFound); err != nil {
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return errors.Wrap(err, "send AuthKeyNotFound")
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}
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continue
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}
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s.log.Debug("Starting key exchange")
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c := newBufferedConn(conn)
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c.Push(b)
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key, err := s.exchange(ctx, exchangeConn{Conn: c})
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if err != nil {
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var exchangeErr *exchange.ServerExchangeError
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if errors.As(err, &exchangeErr) {
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code := exchangeErr.Code
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if err := s.sendProtoError(ctx, c, code); err != nil {
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return errors.Wrapf(err, "send proto error %v", code)
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}
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return nil
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}
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return errors.Wrap(err, "key exchange failed")
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}
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s.users.addSession(key)
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}
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}
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