From 18d356fecbc29b463a461c35e61cf672041bf156 Mon Sep 17 00:00:00 2001
From: zzz <zzz@i2pmail.org>
Date: Thu, 26 Jun 2025 07:33:53 -0400
Subject: [PATCH] Partial fix for display of UDP tracker URLs

---
 .../src/org/klomp/snark/web/I2PSnarkServlet.java     | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/apps/i2psnark/java/src/org/klomp/snark/web/I2PSnarkServlet.java b/apps/i2psnark/java/src/org/klomp/snark/web/I2PSnarkServlet.java
index 91094790e..2b9434b17 100644
--- a/apps/i2psnark/java/src/org/klomp/snark/web/I2PSnarkServlet.java
+++ b/apps/i2psnark/java/src/org/klomp/snark/web/I2PSnarkServlet.java
@@ -2476,17 +2476,20 @@ public class I2PSnarkServlet extends BasicServlet {
     private String getShortTrackerLink(String announce, byte[] infohash) {
         StringBuilder buf = new StringBuilder(128);
         String trackerLinkUrl = getTrackerLinkUrl(announce, infohash);
-        if (announce.startsWith("http://"))
+        boolean isUDP = false;
+        if (announce.startsWith("http://")) {
             announce = announce.substring(7);
-        else if (announce.startsWith("udp://"))
+        } else if (announce.startsWith("udp://")) {
             announce = announce.substring(6);
+            isUDP = true;
+        }
         // strip path
         int slsh = announce.indexOf('/');
         if (slsh > 0)
             announce = announce.substring(0, slsh);
         if (trackerLinkUrl != null) {
             buf.append(trackerLinkUrl);
-        } else {
+        } else if (!isUDP) {
             // browsers don't like a full b64 dest, so convert it to b32
             String host = announce;
             if (host.length() >= 516) {
@@ -2515,7 +2518,8 @@ public class I2PSnarkServlet extends BasicServlet {
             announce = DataHelper.escapeHTML(announce.substring(0, 40)) + "&hellip;" +
                        DataHelper.escapeHTML(announce.substring(announce.length() - 8));
         buf.append(announce);
-        buf.append("</a>");
+        if (!isUDP)
+            buf.append("</a>");
         return buf.toString();
     }