From d413de856398cec63d9c31f29624b220ad9336b4 Mon Sep 17 00:00:00 2001
From: Lan Tian <xuyh0120@outlook.com>
Date: Mon, 4 May 2020 12:46:21 +0800
Subject: [PATCH] frontend: handle confederation brackets in smartWriter

---
 frontend/template.go | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/frontend/template.go b/frontend/template.go
index 3e18a59..6e3710c 100644
--- a/frontend/template.go
+++ b/frontend/template.go
@@ -201,9 +201,11 @@ func smartWriter(w http.ResponseWriter, s string) {
 				// Bird will output ASNs later
 				isASes = true
 				lineFormatted += word
-			} else if isASes && isNumber(word) {
-				// Bird is outputing ASNs, ass whois for them
-				lineFormatted += "<a href=\"/whois/AS" + word + "\">" + word + "</a>"
+			} else if isASes && isNumber(strings.Trim(word, "()")) {
+				// Remove brackets in path caused by confederation
+				wordNum := strings.Trim(word, "()")
+				// Bird is outputing ASNs, add whois for them
+				lineFormatted += "<a href=\"/whois/AS" + wordNum + "\">" + word + "</a>"
 			} else {
 				// Just an ordinary word, print it and done
 				lineFormatted += word