40 lines
1.1 KiB
Go
40 lines
1.1 KiB
Go
package tlsdialer
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import (
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"context"
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"crypto/tls"
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"net"
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"time"
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"github.com/ooni/probe-cli/v3/internal/engine/internal/tlsx"
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)
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// Logger is the logger assumed by this package
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type Logger interface {
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Debugf(format string, v ...interface{})
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Debug(message string)
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}
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// LoggingTLSHandshaker is a TLSHandshaker with logging
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type LoggingTLSHandshaker struct {
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TLSHandshaker
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Logger Logger
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}
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// Handshake implements Handshaker.Handshake
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func (h LoggingTLSHandshaker) Handshake(
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ctx context.Context, conn net.Conn, config *tls.Config,
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) (net.Conn, tls.ConnectionState, error) {
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h.Logger.Debugf("tls {sni=%s next=%+v}...", config.ServerName, config.NextProtos)
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start := time.Now()
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tlsconn, state, err := h.TLSHandshaker.Handshake(ctx, conn, config)
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stop := time.Now()
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h.Logger.Debugf(
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"tls {sni=%s next=%+v}... %+v in %s {next=%s cipher=%s v=%s}", config.ServerName,
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config.NextProtos, err, stop.Sub(start), state.NegotiatedProtocol,
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tlsx.CipherSuiteString(state.CipherSuite), tlsx.VersionString(state.Version))
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return tlsconn, state, err
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}
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var _ TLSHandshaker = LoggingTLSHandshaker{}
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