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
86 lines
1.7 KiB
Go
86 lines
1.7 KiB
Go
package transport
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import (
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"bytes"
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"io"
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"net"
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"github.com/go-faster/errors"
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"go.uber.org/multierr"
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"go.mau.fi/mautrix-telegram/pkg/gotd/mtproxy/obfuscated2"
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"go.mau.fi/mautrix-telegram/pkg/gotd/proto/codec"
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)
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type obfListener struct {
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listener net.Listener
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}
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type obfConn struct {
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reader io.Reader
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writer io.Writer
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net.Conn
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}
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func (c *obfConn) Read(p []byte) (int, error) {
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return c.reader.Read(p)
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}
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func (c *obfConn) Write(p []byte) (int, error) {
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return c.writer.Write(p)
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}
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// ObfuscatedListener creates new obfuscated2 listener using given net.Listener.
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//
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// Useful for creating Telegram servers:
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//
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// transport.Listen(transport.ObfuscatedListener(ln))
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func ObfuscatedListener(listener net.Listener) net.Listener {
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return obfListener{listener: listener}
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}
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// Accept waits for and returns the next connection to the listener.
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func (l obfListener) Accept() (_ net.Conn, err error) {
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conn, err := l.listener.Accept()
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if err != nil {
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return nil, err
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}
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defer func() {
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if err != nil {
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multierr.AppendInto(&err, conn.Close())
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}
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}()
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rw, md, err := obfuscated2.Accept(conn, nil)
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if err != nil {
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return nil, errors.Wrap(err, "accept")
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}
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var tag *bytes.Reader
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if md.Protocol[0] == codec.AbridgedClientStart[0] {
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// Abridged sends only byte for tag.
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tag = bytes.NewReader(md.Protocol[:1])
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} else {
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tag = bytes.NewReader(md.Protocol[:])
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}
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accepted := &obfConn{
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reader: io.MultiReader(tag, rw),
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writer: rw,
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Conn: conn,
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}
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return accepted, nil
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}
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// Close closes the listener.
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// Any blocked Accept operations will be unblocked and return errors.
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func (l obfListener) Close() error {
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return l.listener.Close()
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}
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// Addr returns the listener's network address.
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func (l obfListener) Addr() net.Addr {
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return l.listener.Addr()
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}
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