From 97823d1cb98fa7865ca44824018e92276146a80d Mon Sep 17 00:00:00 2001
From: ulrich
Date: Thu, 13 Mar 2025 16:28:34 +0000
Subject: [PATCH] evtl. enthaltene Query aus Bild-URI herausgelassen

---
 src/de/uhilger/neon/image/ImageFilter.java |   36 +++++++++++++++++++++++-------------
 1 files changed, 23 insertions(+), 13 deletions(-)

diff --git a/src/de/uhilger/neon/image/ImageFilter.java b/src/de/uhilger/neon/image/ImageFilter.java
index c1b3f29..51f8ff4 100644
--- a/src/de/uhilger/neon/image/ImageFilter.java
+++ b/src/de/uhilger/neon/image/ImageFilter.java
@@ -20,6 +20,7 @@
 import com.sun.net.httpserver.Filter;
 import com.sun.net.httpserver.HttpExchange;
 import de.uhilger.neon.FileServer;
+import de.uhilger.neon.HttpHelper;
 import java.io.IOException;
 
 /**
@@ -67,20 +68,29 @@
     */
     String pattern = (String) exchange.getHttpContext().getAttributes()
             .getOrDefault("imageFilterPattern", ".+\\.jpg|.+\\.jpeg|.+\\.png");
-    String uriStr = exchange.getRequestURI().toString();
-    if(uriStr.matches(pattern)) {
-      String fileBase = (String) exchange.getHttpContext().getAttributes()
-              .get(FileServer.ATTR_FILE_BASE);
-      String fileName = exchange
-              .getRequestURI()
-              .getPath()
-              .substring(exchange
-                      .getHttpContext()
-                      .getPath()
-                      .length());          
-      new ImageWorker().createImages(fileBase, fileName, uriStr);
+    String uriStr = exchange.getRequestURI().toString().toLowerCase();
+    if(uriStr.contains("?")) {
+      uriStr = uriStr.substring(0, uriStr.indexOf("?"));
     }
-    chain.doFilter(exchange);
+    try {
+      String fName = new HttpHelper().getFileName(exchange);
+      if(uriStr.matches(pattern)) {
+        String fileBase = (String) exchange.getHttpContext().getAttributes()
+                .get(FileServer.ATTR_FILE_BASE);
+        String fileName = exchange
+                .getRequestURI()
+                .getPath()
+                .substring(exchange
+                        .getHttpContext()
+                        .getPath()
+                        .length());          
+        new ImageWorker().createImages(fileBase, fileName, uriStr);
+      }
+    } catch(IllegalArgumentException ex) {
+      // ungueltiger Dateiname, keine Transformation noetig, tue nichts
+    } finally {
+      chain.doFilter(exchange);
+    }
   }
 
   @Override

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