#2229 adjust URL verbose depth for reverse proxy sub-path

modules/base/markdown.go

@@ -21,6 +21,8 @@ import (
 	"github.com/gogits/gogs/modules/setting"
 )
 
+// TODO: put this into 'markdown' module.
+
 func isletter(c byte) bool {
 	return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')
 }
@@ -187,7 +189,7 @@ func cutoutVerbosePrefix(prefix string) string {
 		if prefix[i] == '/' {
 			count++
 		}
-		if count >= 3 {
+		if count >= 3+setting.AppSubUrlDepth {
 			return prefix[:i]
 		}
 	}

modules/setting/setting.go

@@ -48,12 +48,13 @@ var (
 	BuildGitHash string
 
 	// App settings
-	AppVer      string
-	AppName     string
-	AppUrl      string
-	AppSubUrl   string
-	AppPath     string
-	AppDataPath = "data"
+	AppVer         string
+	AppName        string
+	AppUrl         string
+	AppSubUrl      string
+	AppSubUrlDepth int // Number of slashes
+	AppPath        string
+	AppDataPath    = "data"
 
 	// Server settings
 	Protocol           Scheme
@@ -299,7 +300,9 @@ func NewContext() {
 	if err != nil {
 		log.Fatal(4, "Invalid ROOT_URL '%s': %s", AppUrl, err)
 	}
+	// Suburl should start with '/' and end without '/', such as '/{subpath}'.
 	AppSubUrl = strings.TrimSuffix(url.Path, "/")
+	AppSubUrlDepth = strings.Count(AppSubUrl, "/")
 
 	Protocol = HTTP
 	if sec.Key("PROTOCOL").String() == "https" {