*) Bugfix for http connection header validation

- Connection header was not handled correctly if it contains
     multiple values, e.g. Connection: TE, close 

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@2219 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/de/anomic/http/httpd.java

@@ -257,8 +257,8 @@ public final class httpd implements serverHandler {
         // persistent by default, but closed with the "Connection: close"
         // property.
         boolean persistent = !(httpVersion.equals("HTTP/0.9") || httpVersion.equals("HTTP/1.0"));
-        if (((String)header.get(httpHeader.CONNECTION, "keep-alive")).toLowerCase().equals("close") || 
-                ((String)header.get(httpHeader.PROXY_CONNECTION, "keep-alive")).toLowerCase().equals("close")) {
+        if (((String)header.get(httpHeader.CONNECTION, "keep-alive")).toLowerCase().indexOf("close") != -1 || 
+            ((String)header.get(httpHeader.PROXY_CONNECTION, "keep-alive")).toLowerCase().indexOf("close") != -1) {
             persistent = false;
         }        
         

source/de/anomic/http/httpdFileHandler.java

@@ -872,7 +872,7 @@ public final class httpdFileHandler extends httpdAbstractHandler implements http
             
         } finally {
             try {out.flush();}catch (Exception e) {}
-            if (!(requestHeader.get(httpHeader.CONNECTION, "close").equals("keep-alive"))) {
+            if (((String)requestHeader.get(httpHeader.CONNECTION, "close")).indexOf("keep-alive") == -1) {
                 // wait a little time until everything closes so that clients can read from the streams/sockets
                 try {Thread.sleep(1000);} catch (InterruptedException e) {}
             }