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
36 lines
800 B
Go
36 lines
800 B
Go
package transport
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import (
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"bytes"
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"io"
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"github.com/go-faster/errors"
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"go.mau.fi/mautrix-telegram/pkg/gotd/proto/codec"
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)
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func detectCodec(c io.Reader) (Codec, io.Reader, error) {
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var buf [4]byte
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if _, err := io.ReadFull(c, buf[:1]); err != nil {
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return nil, nil, errors.Wrap(err, "read first byte")
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}
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if buf[0] == codec.AbridgedClientStart[0] {
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return Abridged.Codec(), c, nil
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}
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if _, err := io.ReadFull(c, buf[1:4]); err != nil {
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return nil, nil, errors.Wrap(err, "read header")
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}
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switch buf {
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case codec.IntermediateClientStart:
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return Intermediate.Codec(), c, nil
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case codec.PaddedIntermediateClientStart:
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return PaddedIntermediate.Codec(), c, nil
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default:
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buffered := bytes.NewReader(buf[:])
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r := io.MultiReader(buffered, c)
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return Full.Codec(), r, nil
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}
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}
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