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Therefore, unless you want to manually handle the session information yourself, it is better to use the built-in methods You should now find that you can still log in if you use a valid username and password (and the account is unlocked) However, if you use an invalid username or password or the account is locked, you are presented with a blank page This is because you have not included any logic to specify what should happen if the authenticate function returns false You can use two different ways to return users to the login page if their login was unsuccessful: Add a conditional branch to the page that fires when the Login button is clicked and branches back to login page If the login is successful, this branch will not be executed.

10. All the other options can be overlooked for now. If you want to deploy eGuide (see 17) in your network so that users can look up information about each other automatically, it s recommended you fill in the naming options like title, location, department, telephone, fax-number, and e-mail address as well. Click OK when you re finished creating the user in eDirectory. You ll see a success message. Click OK to continue. 11. If you have OES - Linux in your network, you ll be prompted to enter the Linux User Management (LUM) settings at this point. LUM is covered later in this chapter in the section Linux User Management.

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If the login is unsuccessful, this branch will fire, and the user will be taken back to the login page Perform a redirect (using the owa_utilredirect_url procedure) back to the login page as part of the login page process logic Listing 3-17 shows the modified login page process, which now performs a redirect if the authentication was unsuccessful..

In the previous section, you learned how to create a user account with some basic settings. Generally, these settings are secure, but Novell provides some advanced properties to finetune security related to logging in and use of user accounts. That s what this section is for.

Now that we have a first pass at our user stories, we need to make sure that our stories match our previously defined mission statement, repeated here: Create a Web presence that allows customers to self-order Northwind products and track the status of their orders all the way through to shipment. The conversation may go something like this: XP team: Do you think that we ve sufficiently covered all of the requirements defined by our mission statement Customer: Yes, I think we have. We can browse and search the catalog, we can order products, and we can track those products through shipping. I feel like that about covers it. XP team: Great. Let s move on.

Note In this section, you ll learn about login security, which is the security related to logging in to the

Listing 3-17. Performing a Redirect Back to the Login Page declare -- use the existing authenticate function bresult boolean := FALSE; begin bresult := pkg_auth.authenticate(upper(:P101_USERNAME), :P101_PASSWORD); -- call the post_login procedure if the -- authentication was successful if (bresult = true) then wwv_flow_custom_auth_std.post_login( P_UNAME => :P101_USERNAME, P_PASSWORD => :P101_PASSWORD, P_SESSION_ID => v('APP_SESSION'), P_FLOW_PAGE => :APP_ID||':1' ); else -- perform a redirect back to the login page owa_util.redirect_url('f p=&APP_ID.:101:&SESSION.'); end if; end; Here, the login page ID is hard-coded (a bad practice!), to clearly illustrate which page is the target of the redirection. However, you could quite easily use a substitution item to avoid hard-coding the page ID.

network and its usage. This is not the only possibility to handle security in an OES environment. There is also file system security, which handles access to files and directories on your server, and eDirectory security which handles management possibilities in eDirectory. 12 has more information on these subjects.

Note You could actually use the ID of any page that requires authentication, since the default behavior of

1. Start iManager, then in Roles And Tasks select Users and choose Modify User. Verify that the option Select A Single Object is chosen and use the magnifying glass to browse to the user object you want to modify. Afterward, click OK to start working on the object. You ll see different tabs on which you can specify all settings related to the selected user object. (See Figure 9-2.)

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