Try to fix ACME path when renew (go-gitea#33668) (go-gitea#33693)

Backport go-gitea#33668 by wxiaoguang

Try to fix go-gitea#32191

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

cmd/web_acme.go

@@ -54,10 +54,6 @@ func runACME(listenAddr string, m http.Handler) error {
 		altTLSALPNPort = p
 	}
 
-	// FIXME: this path is not right, it uses "AppWorkPath" incorrectly, and writes the data into "AppWorkPath/https"
-	// Ideally it should migrate to AppDataPath write to "AppDataPath/https"
-	certmagic.Default.Storage = &certmagic.FileStorage{Path: setting.AcmeLiveDirectory}
-	magic := certmagic.NewDefault()
 	// Try to use private CA root if provided, otherwise defaults to system's trust
 	var certPool *x509.CertPool
 	if setting.AcmeCARoot != "" {
@@ -67,7 +63,13 @@ func runACME(listenAddr string, m http.Handler) error {
 			log.Warn("Failed to parse CA Root certificate, using default CA trust: %v", err)
 		}
 	}
-	myACME := certmagic.NewACMEIssuer(magic, certmagic.ACMEIssuer{
+	// FIXME: this path is not right, it uses "AppWorkPath" incorrectly, and writes the data into "AppWorkPath/https"
+	// Ideally it should migrate to AppDataPath write to "AppDataPath/https"
+	// And one more thing, no idea why we should set the global default variables here
+	// But it seems that the current ACME code needs these global variables to make renew work.
+	// Otherwise, "renew" will use incorrect storage path
+	certmagic.Default.Storage = &certmagic.FileStorage{Path: setting.AcmeLiveDirectory}
+	certmagic.DefaultACME = certmagic.ACMEIssuer{
 		CA:                      setting.AcmeURL,
 		TrustedRoots:            certPool,
 		Email:                   setting.AcmeEmail,
@@ -77,8 +79,10 @@ func runACME(listenAddr string, m http.Handler) error {
 		ListenHost:              setting.HTTPAddr,
 		AltTLSALPNPort:          altTLSALPNPort,
 		AltHTTPPort:             altHTTPPort,
-	})
+	}
 
+	magic := certmagic.NewDefault()
+	myACME := certmagic.NewACMEIssuer(magic, certmagic.DefaultACME)
 	magic.Issuers = []certmagic.Issuer{myACME}
 
 	// this obtains certificates or renews them if necessary

modules/setting/server.go

@@ -169,20 +169,24 @@ func loadServerFrom(rootCfg ConfigProvider) {
 	HTTPAddr = sec.Key("HTTP_ADDR").MustString("0.0.0.0")
 	HTTPPort = sec.Key("HTTP_PORT").MustString("3000")
 
+	// DEPRECATED should not be removed because users maybe upgrade from lower version to the latest version
+	// if these are removed, the warning will not be shown
+	if sec.HasKey("ENABLE_ACME") {
+		EnableAcme = sec.Key("ENABLE_ACME").MustBool(false)
+	} else {
+		deprecatedSetting(rootCfg, "server", "ENABLE_LETSENCRYPT", "server", "ENABLE_ACME", "v1.19.0")
+		EnableAcme = sec.Key("ENABLE_LETSENCRYPT").MustBool(false)
+	}
+
 	Protocol = HTTP
 	protocolCfg := sec.Key("PROTOCOL").String()
+	if protocolCfg != "https" && EnableAcme {
+		log.Fatal("ACME could only be used with HTTPS protocol")
+	}
+
 	switch protocolCfg {
 	case "https":
 		Protocol = HTTPS
-
-		// DEPRECATED should not be removed because users maybe upgrade from lower version to the latest version
-		// if these are removed, the warning will not be shown
-		if sec.HasKey("ENABLE_ACME") {
-			EnableAcme = sec.Key("ENABLE_ACME").MustBool(false)
-		} else {
-			deprecatedSetting(rootCfg, "server", "ENABLE_LETSENCRYPT", "server", "ENABLE_ACME", "v1.19.0")
-			EnableAcme = sec.Key("ENABLE_LETSENCRYPT").MustBool(false)
-		}
 		if EnableAcme {
 			AcmeURL = sec.Key("ACME_URL").MustString("")
 			AcmeCARoot = sec.Key("ACME_CA_ROOT").MustString("")
@@ -210,6 +214,9 @@ func loadServerFrom(rootCfg ConfigProvider) {
 				deprecatedSetting(rootCfg, "server", "LETSENCRYPT_EMAIL", "server", "ACME_EMAIL", "v1.19.0")
 				AcmeEmail = sec.Key("LETSENCRYPT_EMAIL").MustString("")
 			}
+			if AcmeEmail == "" {
+				log.Fatal("ACME Email is not set (ACME_EMAIL).")
+			}
 		} else {
 			CertFile = sec.Key("CERT_FILE").String()
 			KeyFile = sec.Key("KEY_FILE").String()