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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| // 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. | ||
|
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| package cmd | ||
|
|
||
| import ( | ||
| "net/http" | ||
| "strings" | ||
|
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| "code.gitea.io/gitea/modules/log" | ||
| "code.gitea.io/gitea/modules/setting" | ||
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| "github.com/caddyserver/certmagic" | ||
| context2 "github.com/gorilla/context" | ||
| ) | ||
|
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| func runLetsEncrypt(listenAddr, domain, directory, email string, m http.Handler) error { | ||
|
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| // 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 | ||
|
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| magic := certmagic.NewDefault() | ||
| magic.Storage = &certmagic.FileStorage{Path: directory} | ||
| myACME := certmagic.NewACMEManager(magic, certmagic.ACMEManager{ | ||
| Email: email, | ||
| Agreed: setting.LetsEncryptTOS, | ||
| DisableHTTPChallenge: !enableHTTPChallenge, | ||
| DisableTLSALPNChallenge: !enableTLSALPNChallenge, | ||
| }) | ||
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| magic.Issuer = myACME | ||
|
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| // this obtains certificates or renews them if necessary | ||
| err := magic.ManageSync([]string{domain}) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| tlsConfig := magic.TLSConfig() | ||
|
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| 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, 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) | ||
| } | ||
| }() | ||
| } | ||
|
|
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| return runHTTPSWithTLSConfig("tcp", listenAddr, tlsConfig, context2.ClearHandler(m)) | ||
| } | ||
|
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| func runLetsEncryptFallbackHandler(w http.ResponseWriter, r *http.Request) { | ||
| if r.Method != "GET" && r.Method != "HEAD" { | ||
| http.Error(w, "Use HTTPS", http.StatusBadRequest) | ||
| return | ||
| } | ||
| // 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) | ||
| } |
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