GUACAMOLE-462: Include history record UUID as token.

extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/tunnel/AbstractGuacamoleTunnelService.java

@@ -25,6 +25,7 @@ import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Date;
+import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
@@ -471,6 +472,10 @@ public abstract class AbstractGuacamoleTunnelService implements GuacamoleTunnelS
 
             }
 
+            // Include history record UUID as token
+            tokens = new HashMap<>(tokens);
+            tokens.put("HISTORY_UUID", activeConnection.getUUID().toString());
+
             // Build token filter containing credential tokens
             TokenFilter tokenFilter = new TokenFilter();
             tokenFilter.setTokens(tokens);