Do not allow a user to connect from multiple computers

IM using APEX 3.02.


Is there a way to put an end to the former a user session when a user logs in from a different computer/browser?

Hope someone can help me :)

Edit:
After a little research I found that the sessions are stored in: flows_030100.wwv_flow_sessions$

I can also run this like sql and it actually works:
remove the flows_030100.wwv_flow_sessions$ where cookie = upper ('username');

We have our own function of connection and I thought that I would delete all the lines in wwv_flow_sessions$ where the COOKIE is equal to the username of the user like this:

remove the flows_030100.wwv_flow_sessions$ where cookie = upper (p_username);

but then I get this error:
Error: PL/SQL: ORA-00942: table or view does not exist
Text: delete from flows_030100.wwv_flow_sessions$

Edited by: bjarkekr 2011-02-07 14:35

I'm not aware of any builtin setting that does this.

If there is an internal API to disconnect from any session (as the admin can do this, he must be anyway), it would have been easier. Probably it is not made available to users of the normal application because of security problems

  • Maybe this isn't the best solution, but it should work.
    It's Miley application process to be run whenever a new page is loaded as well after submission before calculations (this process means 2 that makes the same run each of these events).
    In the process, it checks whether new sessions for this user has been created and if there is a new session it disconnect the current session.

    DECLARE
  ln_i NUMBER;
BEGIN
  --Check if a newer session for current user exists
  SELECT 1 INTO ln_i
  FROM   apex_workspace_sessions
  WHERE UPPER(user_name) = UPPER(:APP_USER)  --for current user
  AND     apex_session_id != :APP_SESSION --sessions other than current session
  AND     session_created > (SELECT session_created FROM apex_workspace_sessions where apex_session_id = :APP_SESSION); --newer session creation date

  --Log the user out
  HTMLDB_CUSTOM_AUTH.LOGOUT
     (
      p_this_app            => :APP_ID,
      p_next_app_page_sess  => :APP_ID||':101'
       );
WHEN NO_DATA_FOUND THEN
  NULL;
END;

    Not tested

    If necessary, you can redirect to a separate page where you show the message that the current session is exceeded due to a new session elsewhere.

    • Tags: Database

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