go-gemini/gemini.go

72 lines
1.9 KiB
Go

package gemini
import (
"crypto/x509"
"sync"
)
// Status codes.
const (
StatusInput = 10
StatusSensitiveInput = 11
StatusSuccess = 20
StatusRedirectTemporary = 30
StatusRedirectPermanent = 31
StatusTemporaryFailure = 40
StatusServerUnavailable = 41
StatusCGIError = 42
StatusProxyError = 43
StatusSlowDown = 44
StatusPermanentFailure = 50
StatusNotFound = 51
StatusGone = 52
StatusProxyRequestRefused = 53
StatusBadRequest = 59
StatusClientCertificateRequired = 60
StatusCertificateNotAuthorised = 61
StatusCertificateNotValid = 62
)
// Status code categories.
const (
StatusClassInput = 1
StatusClassSuccess = 2
StatusClassRedirect = 3
StatusClassTemporaryFailure = 4
StatusClassPermanentFailure = 5
StatusClassClientCertificateRequired = 6
)
var (
crlf = []byte("\r\n")
)
// DefaultClient is the default client. It is used by Send.
//
// On the first request, DefaultClient will load the default list of known hosts.
var DefaultClient *Client
func init() {
DefaultClient = &Client{
TrustCertificate: func(hostname string, cert *x509.Certificate, knownHosts *KnownHosts) error {
// Load the hosts only once. This is so that the hosts don't have to be loaded
// for those using their own clients.
setupDefaultClientOnce.Do(setupDefaultClient)
return knownHosts.Lookup(hostname, cert)
},
}
}
var setupDefaultClientOnce sync.Once
func setupDefaultClient() {
DefaultClient.KnownHosts.Load()
}
// Send sends a Gemini request and returns a Gemini response.
//
// Send is a wrapper around DefaultClient.Send.
func Send(req *Request) (*Response, error) {
return DefaultClient.Send(req)
}