Add a 5 second maximum timeout for uploads.

Co-authored-by: sigonasr2 <sigonasr2@gmail.com>

sigServer.java

@@ -127,12 +127,14 @@ public class sigServer {
                                                 char[] buffer = new char[1024];
                                                 int count;
                                                 boolean wroteData=false;
-                                                while ((count = in.read(buffer))>0) {
+                                                long lastDataTime = System.currentTimeMillis();
+                                                while ((count = in.read(buffer))>0&&System.currentTimeMillis()-lastDataTime<5000) {
                                                     //stream.write(in.read(buffer));
                                                     //stream.write(buffer.,0,count);
                                                     String buf = new String(buffer);
                                                     byte[] data = buf.getBytes("ISO-8859-1");
                                                     stream.write(data,0,count);
+                                                    lastDataTime=System.currentTimeMillis();
                                                     wroteData=true;
                                                     if (buf.contains(boundary)) {
                                                         System.out.println("");