Support file path

service/proxy.go

@@ -21,6 +21,7 @@ import (
 	"net/http"
 	"net/http/httputil"
 	"net/url"
+	"path/filepath"
 	"strings"
 
 	"github.com/beego/beego"
@@ -138,8 +139,19 @@ func handleRequest(w http.ResponseWriter, r *http.Request) {
 		}
 	}
 
-	targetUrl := joinPath(site.GetHost(), r.RequestURI)
-	forwardHandler(targetUrl, w, r)
+	host := site.GetHost()
+	if host == "" {
+		responseError(w, "CasWAF error: targetUrl should not be empty for host: %s, site = %v", r.Host, site)
+		return
+	}
+
+	if strings.HasPrefix(host, "http") {
+		targetUrl := joinPath(site.GetHost(), r.RequestURI)
+		forwardHandler(targetUrl, w, r)
+	} else {
+		path := filepath.Join(host, r.RequestURI)
+		http.ServeFile(w, r, path)
+	}
 }
 
 func Start() {