seung-00 commented on code in PR #4892:
URL: https://github.com/apache/zeppelin/pull/4892#discussion_r1827010881
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shell/src/main/java/org/apache/zeppelin/shell/terminal/TerminalCsrfTokenManager.java:
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@@ -0,0 +1,44 @@
+package org.apache.zeppelin.shell.terminal;
+
+import java.util.Map;
+import java.util.Objects;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentHashMap;
+import org.apache.zeppelin.shell.terminal.websocket.TerminalSocket;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class TerminalCsrfTokenManager {
+ private static TerminalCsrfTokenManager instance;
+
+ private static final Logger LOGGER =
LoggerFactory.getLogger(TerminalSocket.class);
+
+ private final Map<String, String> csrfTokens = new ConcurrentHashMap<>();
Review Comment:
CSRF tokens are managed per note and paragraph.
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