BASIC web authentication against Oracle database?

Hello,
Here's what I want in a nutshell. When someone goes to one of my webpages
under WLS 8.1, I want them to be presented with a BASIC authentication
dialog. That part is configured between web.xml and weblogic.xml and I
think I'm OK with doing that. But the part I don't have quite figured out
is how to get do authentication against a table in an Oracle (or any other,
for that matter) database.
Can someone point me (or do you have) any examples that accomplish this?
I'm sure I'm not the only one who's tried to do this. As far as I can
tell, I need to create a custom Authenticator (and possibly a custom
Asserter) and my implementation of those would do the search against the
database. Correct?

Hi
You probably need to develop a custom login module. WLS uses JAAS so do some JAAS
research the go to
http://dev2dev.bea.com/products/wlserver/security.jsp
then click
http://dev2dev.bea.com/codelibrary/code/security_prov.jsp and get and customize
the sample code.
The example code does NOT show how to use form based authentication with your
custom LoginModule, I'm still working on that, but I assume the WLS servlet container
creates and appropriate CallbackHandler so you can access the supplied username
and pw which you can then use to authenticate against your RDBMS
I need to create a custom LoginModule for Blockade and am going down this track,
still working on it.
"KissFan 1973" <[email protected]> wrote:
Hello,
Here's what I want in a nutshell. When someone goes to one of my webpages
under WLS 8.1, I want them to be presented with a BASIC authentication
dialog. That part is configured between web.xml and weblogic.xml and
I
think I'm OK with doing that. But the part I don't have quite figured
out
is how to get do authentication against a table in an Oracle (or any
other,
for that matter) database.
Can someone point me (or do you have) any examples that accomplish this?
I'm sure I'm not the only one who's tried to do this. As far as I
can
tell, I need to create a custom Authenticator (and possibly a custom
Asserter) and my implementation of those would do the search against
the
database. Correct?

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Hi,
I would like to know if there are way of doing the authentication of weblogic against a database table.
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thanks
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Integration of a weblogic application with an oracle backend,
Connection pooling, and auditing ,2 conflicting requirements ?
Problem statement :
We are in the process of maintaining a legacy client server application where
the client is
written in PowerBuilder and the backend is using an Oracle database.
Almost all business logic is implemented in stored procedures on the database.
When working in client/server mode ,1 PowerBuilder User has a one-to-one relation
with
a connection(session) on the oracle database.
It is a requirement that the database administrator must see the real user connected
to the database
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to the database
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powerbuilder security app).
For the PowerBuilder app all is fine and this app can maintain conversional state(setting
and
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weblogic appserver(J2EE based).
We have build an business app which is web-based and accessing the same oracle
backend app as
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The first version of this web-based app is using a custom build connector(based
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derived from a template provided by the weblogic integration installation).
This custom build connector is essentially a combination of a custom realm in
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The reason that this custom connector is combining the security functionality
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which would make it
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A problem that surfaced while doing heavy loadtesting with the custom connector,
is that sometimes connections are closed and new ones made in the midst of a transaction.
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Keys).
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A second problem that we are experincing with the custom connector, is the use
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The J2EE developers state that the use of CMP decreases the develoment time and
thus also maintenance costs.
We have not yet found a way to integrate a custom connector with the CMP persistence
scheme !
In order to solve our loadtesting and CMP persistence problems i was asked to
come up with a solution
which should not use a custom connector,but use standard connection pools from
weblogic.
To resolve the authentication problem on weblogic i could make a custom realm
which connects to the
backend database with the username and password, and if the connection is ok ,
i could consider this
user as authenticated in weblogic.
That still leaves me with the problem of auditing and pooling.
If i were to use a standard connection pool,then all transaction made in the oracle
database
would be done by a pool user or super user, a solution which will be rejected
by our local security officer,
because you can not see which real user made a transaction in the database.
I could still use the connection pool and in the application , advise the application
developers
to set an oracle package variable with the real user, then on arrival of the request
in the database,
the logic could use this package variable to set the transaction user.
There are still problems with this approach :
- The administrator of the database can still not see who is connected , he will
only see the superuser connection.
- This scheme can not be used when you want to use CMP persistence , since it
is weblogic who will generate the code
to access the database.
I thought i had a solution when oracle provided us with a connection pool known
as OracleOCIConnectionPool
where there is a connection made by a superuser, but where sessions are multiplexed
over this physical pipe with the real user.
I can not seem to properly integrate this OCI connectionpool into weblogic.
When using this pool , and we are coming into a bean (session or entity bean)
weblogic is wrapping
this pool with it's own internal Datasource and giving me back a connection of
the superuser, but not one for the real user,
thus setting me with my back to the wall again.
I would appreciate if anyone had experienced the same problem to share a possible
solution with us
in order to satisfy all requirements(security,auditing,CMP).
Many Thanks
Blyau Gino
[email protected]

Hi Blyau,
As Joe has already provided some technical advice,
I'll try to say something on engineering process level.
While migrating an application from one technology to
other, like client-server to n-tier in you case, customers and
stakeholders want to push into the new system as many old
requirements as possible. This approach is AKA "we must
have ALL of the features of the old system". Mostly it happens
because they don't know what they want. Ad little understanding
of abilities of the new technology, and you will get a requirement
like the one you have in you hands.
I think "DBA must see real user" is one of those. For this
type of requirements it can make sense to try to drop it,
or to understand its nature and suggest alternatives. In this
particular case it can be a system that logs user names,
login and logout times.
Blind copying of old features into an incompatible new architecture
may endanger the whole project and can result in its failure.
Hope this helps.
Regards,
Slava Imeshev
"Blyau Gino" <[email protected]> wrote in message
news:[email protected]...
>
Integration of a weblogic application with an oracle backend,
Connection pooling, and auditing ,2 conflicting requirements ?
Problem statement :
We are in the process of maintaining a legacy client server applicationwhere
the client is
written in PowerBuilder and the backend is using an Oracle database.
Almost all business logic is implemented in stored procedures on thedatabase.
When working in client/server mode ,1 PowerBuilder User has a one-to-onerelation
with
a connection(session) on the oracle database.
It is a requirement that the database administrator must see the real userconnected
to the database
and NOT some kind of superuser, therefore in the PowerBuilder app eachuser connects
to the database
with his own username.(Each user is configured on the database via aseperate
powerbuilder security app).
For the PowerBuilder app all is fine and this app can maintainconversional state(setting
and
reading of global variables in oracle packages).
The management is pushing for web-based application where we will be usingbea
weblogic appserver(J2EE based).
We have build an business app which is web-based and accessing the sameoracle
backend app as
the PowerBuilder app is doing.
The first version of this web-based app is using a custom buildconnector(based
on JCA standard and
derived from a template provided by the weblogic integrationinstallation).
This custom build connector is essentially a combination of a custom realmin
weblogic terms
and a degraded connection pool , where each web session(browser) has aone-to-one
relation
with the back end database.
The reason that this custom connector is combining the securityfunctionality
and the pooling
functionality , is because each user must be authenticated against theoracle
database(security requirement)
and NOT against a LDAP server, and we are using a statefull backend(oraclepackages)
which would make it
difficult to reuse connections.
A problem that surfaced while doing heavy loadtesting with the customconnector,
>
is that sometimes connections are closed and new ones made in the midst ofa transaction.
If you imagine a scenario where a session bean creates a business entity,and
the session bean
calls 1 entity bean for the header and 1 entity bean for the detail, thenthe
header and detail
must be created in the same transaction AND with the same connection(thereis
a parent-child relationship
between header and detail enforced on the back end database via Primaryand Foreing
Keys).
We have not yet found why weblogic is closing the connection!
A second problem that we are experincing with the custom connector, is theuse
of CMP(container managed persistence)
within entity beans.
The J2EE developers state that the use of CMP decreases the develomenttime and
thus also maintenance costs.
We have not yet found a way to integrate a custom connector with the CMPpersistence
scheme !
In order to solve our loadtesting and CMP persistence problems i was askedto
come up with a solution
which should not use a custom connector,but use standard connection poolsfrom
weblogic.
To resolve the authentication problem on weblogic i could make a customrealm
which connects to the
backend database with the username and password, and if the connection isok ,
i could consider this
user as authenticated in weblogic.
That still leaves me with the problem of auditing and pooling.
If i were to use a standard connection pool,then all transaction made inthe oracle
database
would be done by a pool user or super user, a solution which will berejected
by our local security officer,
because you can not see which real user made a transaction in thedatabase.
I could still use the connection pool and in the application , advise theapplication
developers
to set an oracle package variable with the real user, then on arrival ofthe request
in the database,
the logic could use this package variable to set the transaction user.
There are still problems with this approach :
- The administrator of the database can still not see who is connected ,he will
only see the superuser connection.
- This scheme can not be used when you want to use CMP persistence , sinceit
is weblogic who will generate the code
to access the database.
I thought i had a solution when oracle provided us with a connection poolknown
as OracleOCIConnectionPool
where there is a connection made by a superuser, but where sessions aremultiplexed
over this physical pipe with the real user.
I can not seem to properly integrate this OCI connectionpool intoweblogic.
When using this pool , and we are coming into a bean (session or entitybean)
weblogic is wrapping
this pool with it's own internal Datasource and giving me back aconnection of
the superuser, but not one for the real user,
thus setting me with my back to the wall again.
I would appreciate if anyone had experienced the same problem to share apossible
solution with us
in order to satisfy all requirements(security,auditing,CMP).
Many Thanks
Blyau Gino
[email protected]

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Hi all,
Could you please kindly help me?
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And the web page of ORACLE DATABASE 10G EXPRESS to import the data from flat file A to another database. To load data to a table from a text file, the web page bases on "comma" to distinguish fields.
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return number
is
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            l_colCnt := i;
        exception
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    dbms_sql.define_column( l_theCursor, 1, l_columnValue, 2000 );
    l_status := dbms_sql.execute(l_theCursor);
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        for i in 1 .. l_colCnt loop
            dbms_sql.column_value( l_theCursor, i, l_columnValue );
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/Here is the link to this thread in asktom.
http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:95212348059

Oracle Database 12.0 OTN dev license trial terms

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So nice until now. Of course the question remains - what is that kind of licence worth because I've yet to be find an app developed just on single schema all its lifecycle including development and test. OK even if such app exists I'd better won't use it :)
2) It does go on to say that the prototype can not be
put into production - internal use or commercial -
without getting an appropriate license. The question about test and other possible development instances is not 100% percent clear to me although I'm quite sure that these must be more than one prototype...
>
Fine - this ensures the dev license is not inherited
by the prototype
3) It states that any other use requires contacting
Oracle sales for an appropriate license.OK this is the bright side of life because it means negotiations and these almost always leads to some compromises :)
4) You may not: [some lines skipped] - continue to
develop your application
If 'learning' IS permitted under the definition of
prototype, then what is an application? Can a single
SQL statement be defined as an application?Yeahhh and at least to my mind it definitely cannot be described as "indefinite development purpose".
Bottom lines:
1) If it's simple SQL you are wanting to learn, use
Oracle Express Edition;
2) If you wat to learn all of Oracle capability AND
want to stay perfectly legal, purchase the relatively
inexpensive Personal Edition - it has all otyhe
features of Oradle Enterprise Edition and is actually
less expensive than Microsoft Office Professional.Of course this absolutely contradicts to the goal of developing an app on the as much as possible close environment as real production will be...
So the bottom bottom line is - speak and get __written__ licencing contract from your sales rep for everything anyway, isn't it? :)
Gints Plivna
http://www.gplivna.eu

How to integrate android application with oracle database using oracle mobile database server.

Hi,
I developed one web application using oracle database. I want to implement same web application in android. My problem is how to integrate android application with existing oracle database using oracle database mobile server. Can u please guide me how to install oracle database mobile server and how to integrate android app with existing oracle database..
Thank you.

In the Database Mobile Doc set there is an entire book that covers the Installation of Oracle Database Mobile Server. Chap 4 of that book contains screen shots and all kinds of information that will help guide you through the installation. We also have a doc on the different mobile clients. Chap 2 of that guide covers installs and integration of an android app.
thanks
mike

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