56 lines
1.3 KiB
Go
56 lines
1.3 KiB
Go
package network
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/multiformats/go-multiaddr"
|
|
)
|
|
|
|
// There is implementation of TLS protocol for
|
|
// github.com/multiformats/go-multiaddr library in this file.
|
|
//
|
|
// After addition TLS protocol via `multiaddr.AddProtocol` function
|
|
// the library is ready to parse "tls" protocol with empty body, e.g.:
|
|
//
|
|
// "/dns4/localhost/tcp/8080/tls"
|
|
|
|
const (
|
|
tlsProtocolName = "tls"
|
|
|
|
// tlsProtocolCode is chosen according to its draft version's code in
|
|
// original multiaddr repository: https://github.com/multiformats/multicodec.
|
|
tlsProtocolCode = 0x01c0
|
|
)
|
|
|
|
// tls var is used for (un)wrapping other multiaddrs around TLS multiaddr.
|
|
var tls multiaddr.Multiaddr
|
|
|
|
func init() {
|
|
tlsProtocol := multiaddr.Protocol{
|
|
Name: tlsProtocolName,
|
|
Code: tlsProtocolCode,
|
|
Size: 0,
|
|
VCode: multiaddr.CodeToVarint(tlsProtocolCode),
|
|
}
|
|
|
|
err := multiaddr.AddProtocol(tlsProtocol)
|
|
if err != nil {
|
|
panic(fmt.Errorf("could not add 'TLS' protocol to multiadd library: %w", err))
|
|
}
|
|
|
|
tls, err = multiaddr.NewMultiaddr("/" + tlsProtocolName)
|
|
if err != nil {
|
|
panic(fmt.Errorf("could not init 'TLS' protocol with multiadd library: %w", err))
|
|
}
|
|
}
|
|
|
|
// TLSEnabled searches for wrapped TLS protocol in multiaddr.
|
|
func (a Address) TLSEnabled() bool {
|
|
for _, protoc := range a.ma.Protocols() {
|
|
if protoc.Code == tlsProtocolCode {
|
|
return true
|
|
}
|
|
}
|
|
|
|
return false
|
|
}
|