A fork of Gitea (see branch `mj`) adding Majority Judgment Polls 𐄷 over Issues and Merge Requests. https://git.mieuxvoter.fr
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// Copyright 2020 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package cmd
import (
context2 "github.com/gorilla/context"
func runLetsEncrypt(listenAddr, domain, directory, email string, m http.Handler) error {
// If HTTP Challenge enabled, needs to be serving on port 80. For TLSALPN needs 443.
// Due to docker port mapping this can't be checked programatically
// TODO: these are placeholders until we add options for each in settings with appropriate warning
enableHTTPChallenge := true
enableTLSALPNChallenge := true
altHTTPPort := 0
if p, err := strconv.Atoi(setting.PortToRedirect); err == nil {
altHTTPPort = p
magic := certmagic.NewDefault()
magic.Storage = &certmagic.FileStorage{Path: directory}
myACME := certmagic.NewACMEManager(magic, certmagic.ACMEManager{
Email: email,
Agreed: setting.LetsEncryptTOS,
DisableHTTPChallenge: !enableHTTPChallenge,
DisableTLSALPNChallenge: !enableTLSALPNChallenge,
ListenHost: listenAddr,
AltHTTPPort: altHTTPPort,
magic.Issuer = myACME
// this obtains certificates or renews them if necessary
err := magic.ManageSync([]string{domain})
if err != nil {
return err
tlsConfig := magic.TLSConfig()
if enableHTTPChallenge {
go func() {
log.Info("Running Let's Encrypt handler on %s", setting.HTTPAddr+":"+setting.PortToRedirect)
// all traffic coming into HTTP will be redirect to HTTPS automatically (LE HTTP-01 validation happens here)
var err = runHTTP("tcp", setting.HTTPAddr+":"+setting.PortToRedirect, "Let's Encrypt HTTP Challenge", myACME.HTTPChallengeHandler(http.HandlerFunc(runLetsEncryptFallbackHandler)))
if err != nil {
log.Fatal("Failed to start the Let's Encrypt handler on port %s: %v", setting.PortToRedirect, err)
return runHTTPSWithTLSConfig("tcp", listenAddr, "Web", tlsConfig, context2.ClearHandler(m))
func runLetsEncryptFallbackHandler(w http.ResponseWriter, r *http.Request) {
if r.Method != "GET" && r.Method != "HEAD" {
http.Error(w, "Use HTTPS", http.StatusBadRequest)
// Remove the trailing slash at the end of setting.AppURL, the request
// URI always contains a leading slash, which would result in a double
// slash
target := strings.TrimSuffix(setting.AppURL, "/") + r.URL.RequestURI()
http.Redirect(w, r, target, http.StatusFound)