Using the SAP Password BAPIs By Thomas Schuessler
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Many users of your SAP-enabled web applications will be people who do not have named SAP userids, either because they are employees who do not require constant access to SAP or because they are business partners. So your applications will use a generic userid (or several). In many applications, though, you require a userid/password mechanism that guarantees that only authorized persons can access the functionality. Assuming that you do not want to buy a named userid for each of your employees and business partners, what can you do to deal with this requirement?
While you could implement the required mechanism yourself (outside of SAP), it is probably faster and easier to use the password BAPIs that SAP provides for the object types Employee, Customer, Vendor, Applicant, and BusPartnerEmployee. (There are some additional object types with password BAPIs but they are either obsolete or have incomplete password functionality.) These object types have a set of BAPIs that allow you to create object type-specific userids and passwords and manipulate and check them.
In SAPGUI, you can use transaction code SU05 to maintain these userids. A normal application will at least need to check the password that a user enters and may also let the user change the password. A more sophisticated application might even enforce a periodic password change.
An administrator application (as an easy-to-use alternative to SU05) must be able to create, delete, and lock userids, re-initialize the password (in case the user has forgotten it), and check the status of a userid. The SAP password BAPIs allow you to do all these things, without you having to worry about a separate database, password encryption et cetera.
If you want to save some time in getting up to speed with these BAPIs, read my article "Password Management for Extranet Applications" in the July/August issue of the SAP Professional Journal (www.sappro.com). And if you are using the SAP Java Connector (JCo) for your applications (the best BAPI middleware I am aware of) then you can even save more time: I have developed a Java component that encapsulates access to the password BAPIs and allows you to manipulate the userids and passwords with a few lines of code. Contact me (email@example.com or firstname.lastname@example.org) if you want to receive an evaluation copy.
Thomas G. Schuessler, www.arasoft.de
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