Files
go-gitlooseleaf/net_mirror.go
2025-05-26 21:15:06 -04:00

85 lines
2.3 KiB
Go

// copy this file to modules/graceful/net_anon.go before building gitea
package graceful
import (
"fmt"
"log"
"net"
"net/http"
"os"
"path/filepath"
"github.com/go-i2p/go-meta-listener/mirror"
"code.gitea.io/gitea/modules/setting"
limitedlistener "github.com/go-i2p/go-limit"
)
func hostname() string {
hostname := os.Getenv("HOSTNAME")
if hostname == "" {
// get the local hostname
// this is a fallback for when the HOSTNAME environment variable is not set
hostname, err := os.Hostname()
if err != nil {
log.Printf("Warning: %s", err)
}
if hostname == "" {
// this is a fallback for when the hostname is not set
hostname = "localhost"
}
}
return hostname
}
var mirrorListener, mirrorErr = mirror.NewMirror(hostname())
// This implements the GetListener function for TLS, I2P, and Onion. Note the exemption for Unix sockets.
func MultiGetListener(network, address string) (net.Listener, error) {
if mirrorErr != nil {
return nil, mirrorErr
}
EMAIL := os.Getenv("EMAIL")
if EMAIL == "" {
log.Printf("Warning: %s", fmt.Errorf("EMAIL environment variable not set, TLS not possible"))
} else {
log.Printf("Using %s as email for TLS", EMAIL)
}
// Add a deferral to say that we've tried to grab a listener
defer GetManager().InformCleanup()
switch network {
case "unix", "unixpacket":
// I2P isn't really a replacement for the stuff you use Unix sockets for and it's also not an anonymity risk, so treat them normally
unixAddr, err := ResolveUnixAddr(network, address)
if err != nil {
return nil, err
}
return GetListenerUnixWrapper(network, unixAddr)
default:
ml, err := mirrorListener.Listen(address, EMAIL)
mirror.CERT_DIR = filepath.Join(setting.CustomPath, "certs")
mirror.HIDDEN_TLS = true
if err != nil {
return nil, err
}
return limitedlistener.NewLimitedListener(ml,
limitedlistener.WithMaxConnections(500), // max concurrent
limitedlistener.WithRateLimit(24), // per second
), nil
}
}
// We use `init() to ensure that the appropriate Listeners and Dialers are correctly placed at runtime
func init() {
GetListener = MultiGetListener
httpClient := &http.Client{
Transport: &http.Transport{
Dial: Dial,
},
}
http.DefaultClient = httpClient
http.DefaultTransport = httpClient.Transport
}