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51 lines
1.5 KiB
51 lines
1.5 KiB
package tcp
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import (
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"context"
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"v2ray.com/core/common"
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"v2ray.com/core/common/net"
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"v2ray.com/core/common/session"
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"v2ray.com/core/transport/internet"
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"v2ray.com/core/transport/internet/tls"
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)
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func getTCPSettingsFromContext(ctx context.Context) *Config {
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rawTCPSettings := internet.StreamSettingsFromContext(ctx)
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if rawTCPSettings == nil {
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return nil
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}
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return rawTCPSettings.ProtocolSettings.(*Config)
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}
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// Dial dials a new TCP connection to the given destination.
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func Dial(ctx context.Context, dest net.Destination) (internet.Connection, error) {
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newError("dialing TCP to ", dest).WriteToLog(session.ExportIDToError(ctx))
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conn, err := internet.DialSystem(ctx, dest)
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if err != nil {
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return nil, err
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}
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if config := tls.ConfigFromContext(ctx); config != nil {
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conn = tls.Client(conn, config.GetTLSConfig(tls.WithDestination(dest), tls.WithNextProto("h2")))
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}
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tcpSettings := getTCPSettingsFromContext(ctx)
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if tcpSettings != nil && tcpSettings.HeaderSettings != nil {
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headerConfig, err := tcpSettings.HeaderSettings.GetInstance()
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if err != nil {
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return nil, newError("failed to get header settings").Base(err).AtError()
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}
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auth, err := internet.CreateConnectionAuthenticator(headerConfig)
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if err != nil {
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return nil, newError("failed to create header authenticator").Base(err).AtError()
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}
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conn = auth.Client(conn)
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}
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return internet.Connection(conn), nil
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}
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func init() {
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common.Must(internet.RegisterTransportDialer(protocolName, Dial))
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}
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