fix basic authentication for systems with turkish locale

scm-core/src/main/java/sonia/scm/util/Util.java

@@ -47,6 +47,7 @@ import java.util.Comparator;
 import java.util.Date;
 import java.util.Iterator;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import java.util.TimeZone;
 
@@ -398,6 +399,23 @@ public class Util
     return parseDate(dateString, null);
   }
 
+  /**
+   * Method description
+   *
+   *
+   * @param value
+   * @param start
+   *
+   * @return
+   * 
+   * @since 1.17
+   */
+  public static boolean startWithIgnoreCase(String value, String start)
+  {
+    return (value != null) && (start != null)
+           && value.toUpperCase(Locale.ENGLISH).startsWith(start);
+  }
+
   /**
    * Method description
    *

scm-core/src/main/java/sonia/scm/web/filter/BasicAuthenticationFilter.java

@@ -120,8 +120,7 @@ public class BasicAuthenticationFilter extends HttpFilter
     User user = null;
     String authentication = request.getHeader(HEADER_AUTHORIZATION);
 
-    if (Util.isNotEmpty(authentication)
-        && authentication.toUpperCase().startsWith(AUTHORIZATION_BASIC_PREFIX))
+    if (Util.startWithIgnoreCase(authentication, AUTHORIZATION_BASIC_PREFIX))
     {
       if (logger.isTraceEnabled())
       {