Replace "unix" by "http+unix" for PROTOCOL (#17771)

4 files changed, 25 insertions, 26 deletions

diff --git a/cmd/web.go b/cmd/web.go
index fbd62191a6..137c56d962 100644
--- a/cmd/web.go
+++ b/cmd/web.go
@@ -180,7 +180,7 @@ func setPort(port string) error {
 	setting.HTTPPort = port
 
 	switch setting.Protocol {
-	case setting.UnixSocket:
+	case setting.HTTPUnix:
 	case setting.FCGI:
 	case setting.FCGIUnix:
 	default:
@@ -202,7 +202,7 @@ func setPort(port string) error {
 
 func listen(m http.Handler, handleRedirector bool) error {
 	listenAddr := setting.HTTPAddr
-	if setting.Protocol != setting.UnixSocket && setting.Protocol != setting.FCGIUnix {
+	if setting.Protocol != setting.HTTPUnix && setting.Protocol != setting.FCGIUnix {
 		listenAddr = net.JoinHostPort(listenAddr, setting.HTTPPort)
 	}
 	log.Info("Listen: %v://%s%s", setting.Protocol, listenAddr, setting.AppSubURL)
@@ -240,7 +240,7 @@ func listen(m http.Handler, handleRedirector bool) error {
 			NoHTTPRedirector()
 		}
 		err = runFCGI("tcp", listenAddr, "FCGI Web", m)
-	case setting.UnixSocket:
+	case setting.HTTPUnix:
 		if handleRedirector {
 			NoHTTPRedirector()
 		}
diff --git a/docs/content/doc/advanced/config-cheat-sheet.en-us.md b/docs/content/doc/advanced/config-cheat-sheet.en-us.md
index 030ca7b36b..bb2eb1c8ca 100644
--- a/docs/content/doc/advanced/config-cheat-sheet.en-us.md
+++ b/docs/content/doc/advanced/config-cheat-sheet.en-us.md
@@ -233,7 +233,7 @@ The following configuration set `Content-Type: application/vnd.android.package-a
 
 ## Server (`server`)
 
-- `PROTOCOL`: **http**: \[http, https, fcgi, unix, fcgi+unix\]
+- `PROTOCOL`: **http**: \[http, https, fcgi, http+unix, fcgi+unix\]
 - `DOMAIN`: **localhost**: Domain name of this server.
 - `ROOT_URL`: **%(PROTOCOL)s://%(DOMAIN)s:%(HTTP\_PORT)s/**:
    Overwrite the automatically generated public URL.
@@ -248,7 +248,7 @@ The following configuration set `Content-Type: application/vnd.android.package-a
 - `HTTP_ADDR`: **0.0.0.0**: HTTP listen address.
    - If `PROTOCOL` is set to `fcgi`, Gitea will listen for FastCGI requests on TCP socket
      defined by `HTTP_ADDR` and `HTTP_PORT` configuration settings.
-   - If `PROTOCOL` is set to `unix` or `fcgi+unix`, this should be the name of the Unix socket file to use. Relative paths will be made absolute against the AppWorkPath.
+   - If `PROTOCOL` is set to `http+unix` or `fcgi+unix`, this should be the name of the Unix socket file to use. Relative paths will be made absolute against the AppWorkPath.
 - `HTTP_PORT`: **3000**: HTTP listen port.
    - If `PROTOCOL` is set to `fcgi`, Gitea will listen for FastCGI requests on TCP socket
      defined by `HTTP_ADDR` and `HTTP_PORT` configuration settings.
@@ -257,7 +257,7 @@ The following configuration set `Content-Type: application/vnd.android.package-a
    (DMZ) URL for Gitea workers (such as SSH update) accessing web service. In
    most cases you do not need to change the default value. Alter it only if
    your SSH server node is not the same as HTTP node. Do not set this variable
-   if `PROTOCOL` is set to `unix`.
+   if `PROTOCOL` is set to `http+unix`.
 - `PER_WRITE_TIMEOUT`: **30s**: Timeout for any write to the connection. (Set to 0 to
    disable all timeouts.)
 - `PER_WRITE_PER_KB_TIMEOUT`: **10s**: Timeout per Kb written to connections.
diff --git a/modules/private/internal.go b/modules/private/internal.go
index 0a39ca7b8e..a77a990627 100644
--- a/modules/private/internal.go
+++ b/modules/private/internal.go
@@ -46,7 +46,7 @@ func newInternalRequest(ctx context.Context, url, method string) *httplib.Reques
 		InsecureSkipVerify: true,
 		ServerName:         setting.Domain,
 	})
-	if setting.Protocol == setting.UnixSocket {
+	if setting.Protocol == setting.HTTPUnix {
 		req.SetTransport(&http.Transport{
 			DialContext: func(ctx context.Context, _, _ string) (net.Conn, error) {
 				var d net.Dialer
diff --git a/modules/setting/setting.go b/modules/setting/setting.go
index d219dbaafd..8b67a45175 100644
--- a/modules/setting/setting.go
+++ b/modules/setting/setting.go
@@ -39,11 +39,11 @@ type Scheme string
 
 // enumerates all the scheme types
 const (
-	HTTP       Scheme = "http"
-	HTTPS      Scheme = "https"
-	FCGI       Scheme = "fcgi"
-	FCGIUnix   Scheme = "fcgi+unix"
-	UnixSocket Scheme = "unix"
+	HTTP     Scheme = "http"
+	HTTPS    Scheme = "https"
+	FCGI     Scheme = "fcgi"
+	FCGIUnix Scheme = "fcgi+unix"
+	HTTPUnix Scheme = "http+unix"
 )
 
 // LandingPage describes the default page
@@ -607,7 +607,8 @@ func loadFromConf(allowEmpty bool) {
 	HTTPPort = sec.Key("HTTP_PORT").MustString("3000")
 
 	Protocol = HTTP
-	switch sec.Key("PROTOCOL").String() {
+	protocolCfg := sec.Key("PROTOCOL").String()
+	switch protocolCfg {
 	case "https":
 		Protocol = HTTPS
 		CertFile = sec.Key("CERT_FILE").String()
@@ -620,24 +621,22 @@ func loadFromConf(allowEmpty bool) {
 		}
 	case "fcgi":
 		Protocol = FCGI
-	case "fcgi+unix":
-		Protocol = FCGIUnix
-		UnixSocketPermissionRaw := sec.Key("UNIX_SOCKET_PERMISSION").MustString("666")
-		UnixSocketPermissionParsed, err := strconv.ParseUint(UnixSocketPermissionRaw, 8, 32)
-		if err != nil || UnixSocketPermissionParsed > 0777 {
-			log.Fatal("Failed to parse unixSocketPermission: %s", UnixSocketPermissionRaw)
+	case "fcgi+unix", "unix", "http+unix":
+		switch protocolCfg {
+		case "fcgi+unix":
+			Protocol = FCGIUnix
+		case "unix":
+			log.Warn("unix PROTOCOL value is deprecated, please use http+unix")
+			fallthrough
+		case "http+unix":
+			Protocol = HTTPUnix
 		}
-		UnixSocketPermission = uint32(UnixSocketPermissionParsed)
-		if !filepath.IsAbs(HTTPAddr) {
-			HTTPAddr = filepath.Join(AppWorkPath, HTTPAddr)
-		}
-	case "unix":
-		Protocol = UnixSocket
 		UnixSocketPermissionRaw := sec.Key("UNIX_SOCKET_PERMISSION").MustString("666")
 		UnixSocketPermissionParsed, err := strconv.ParseUint(UnixSocketPermissionRaw, 8, 32)
 		if err != nil || UnixSocketPermissionParsed > 0777 {
 			log.Fatal("Failed to parse unixSocketPermission: %s", UnixSocketPermissionRaw)
 		}
+
 		UnixSocketPermission = uint32(UnixSocketPermissionParsed)
 		if !filepath.IsAbs(HTTPAddr) {
 			HTTPAddr = filepath.Join(AppWorkPath, HTTPAddr)
@@ -692,7 +691,7 @@ func loadFromConf(allowEmpty bool) {
 
 	var defaultLocalURL string
 	switch Protocol {
-	case UnixSocket:
+	case HTTPUnix:
 		defaultLocalURL = "http://unix/"
 	case FCGI:
 		defaultLocalURL = AppURL