From b2263efaf09bacb93cee7741d8cb03db9f7b7944 Mon Sep 17 00:00:00 2001
From: zzz <zzz@mail.i2p>
Date: Fri, 2 Sep 2011 17:24:14 +0000
Subject: [PATCH] cache user-agent processing
---
.../src/net/i2p/router/web/CSSHelper.java | 19 ++++++++++++++++++-
1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/apps/routerconsole/java/src/net/i2p/router/web/CSSHelper.java b/apps/routerconsole/java/src/net/i2p/router/web/CSSHelper.java
index 7f6f9455fe..269f0c7768 100644
--- a/apps/routerconsole/java/src/net/i2p/router/web/CSSHelper.java
+++ b/apps/routerconsole/java/src/net/i2p/router/web/CSSHelper.java
@@ -1,10 +1,16 @@
package net.i2p.router.web;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
/**
* Copied and modded from I2PTunnel IndexBean (GPL)
* @author zzz
*/
public class CSSHelper extends HelperBase {
+
+ private static final Map<String, Boolean> _UACache = new ConcurrentHashMap();
+
public CSSHelper() {}
public static final String PROP_THEME_NAME = "routerconsole.theme";
@@ -69,7 +75,18 @@ public class CSSHelper extends HelperBase {
* @since 0.8.5
*/
public boolean allowIFrame(String ua) {
- return ua == null ||
+ if (ua == null)
+ return true;
+ Boolean brv = _UACache.get(ua);
+ if (brv != null)
+ return brv.booleanValue();
+ boolean rv = shouldAllowIFrame(ua);
+ _UACache.put(ua, Boolean.valueOf(rv));
+ return rv;
+ }
+
+ private static boolean shouldAllowIFrame(String ua) {
+ return
// text
!(ua.startsWith("Lynx") || ua.startsWith("w3m") ||
ua.startsWith("ELinks") || ua.startsWith("Links") ||
--
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