You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
82 lines
2.1 KiB
Go
82 lines
2.1 KiB
Go
package acme
|
|
|
|
import (
|
|
"context"
|
|
"crypto/tls"
|
|
"net"
|
|
"net/http"
|
|
"time"
|
|
)
|
|
|
|
// Client is the interface used to verify ACME challenges.
|
|
type Client interface {
|
|
// Get issues an HTTP GET to the specified URL.
|
|
Get(url string) (*http.Response, error)
|
|
|
|
// LookupTXT returns the DNS TXT records for the given domain name.
|
|
LookupTxt(name string) ([]string, error)
|
|
|
|
// TLSDial connects to the given network address using net.Dialer and then
|
|
// initiates a TLS handshake, returning the resulting TLS connection.
|
|
TLSDial(network, addr string, config *tls.Config) (*tls.Conn, error)
|
|
}
|
|
|
|
type clientKey struct{}
|
|
|
|
// NewClientContext adds the given client to the context.
|
|
func NewClientContext(ctx context.Context, c Client) context.Context {
|
|
return context.WithValue(ctx, clientKey{}, c)
|
|
}
|
|
|
|
// ClientFromContext returns the current client from the given context.
|
|
func ClientFromContext(ctx context.Context) (c Client, ok bool) {
|
|
c, ok = ctx.Value(clientKey{}).(Client)
|
|
return
|
|
}
|
|
|
|
// MustClientFromContext returns the current client from the given context. It will
|
|
// return a new instance of the client if it does not exist.
|
|
func MustClientFromContext(ctx context.Context) Client {
|
|
c, ok := ClientFromContext(ctx)
|
|
if !ok {
|
|
return NewClient()
|
|
}
|
|
return c
|
|
}
|
|
|
|
type client struct {
|
|
http *http.Client
|
|
dialer *net.Dialer
|
|
}
|
|
|
|
// NewClient returns an implementation of Client for verifying ACME challenges.
|
|
func NewClient() Client {
|
|
return &client{
|
|
http: &http.Client{
|
|
Timeout: 30 * time.Second,
|
|
Transport: &http.Transport{
|
|
Proxy: http.ProxyFromEnvironment,
|
|
TLSClientConfig: &tls.Config{
|
|
//nolint:gosec // used on tls-alpn-01 challenge
|
|
InsecureSkipVerify: true, // lgtm[go/disabled-certificate-check]
|
|
},
|
|
},
|
|
},
|
|
dialer: &net.Dialer{
|
|
Timeout: 30 * time.Second,
|
|
},
|
|
}
|
|
}
|
|
|
|
func (c *client) Get(url string) (*http.Response, error) {
|
|
return c.http.Get(url)
|
|
}
|
|
|
|
func (c *client) LookupTxt(name string) ([]string, error) {
|
|
return net.LookupTXT(name)
|
|
}
|
|
|
|
func (c *client) TLSDial(network, addr string, config *tls.Config) (*tls.Conn, error) {
|
|
return tls.DialWithDialer(c.dialer, network, addr, config)
|
|
}
|