Raise_Application_Error with redirect url

Hello people:

11 GR 2

APEX 4.2

I created a page in my application with a personalized message indicating a breach of security clearance.

If I create a trigger to raise an error like this:

CREATE OR REPLACE TRIGGER BI_TEST_VAL

BEFORE INSERT OR UPDATE OR DELETE

ON MY_TABLE

FOR EACH LINE

BEGIN

IF v('APP_USER') ('xxxxx', 'yyyyy', 'zzzzz') THEN

RAISE_APPLICATION_ERROR (-20001, ' you n "not have permission to edit this table.)  Blah blah blah. ") ;

END IF;

END;

How can I redirect to my page custom without any DML on the table?

I tried, but it did not work: it redirected, but changes have been made to the table:

CREATE OR REPLACE TRIGGER BI_TEST_VAL

BEFORE INSERT OR UPDATE OR DELETE

ON MY_TABLE

FOR EACH LINE

BEGIN

IF v('APP_USER') ('xxxxx', 'yyyyy', 'zzzzz') THEN

HTP. INIT;

HTMLDB_APPLICATION. G_UNRECOVERABLE_ERROR: = TRUE;

OWA_UTIL. REDIRECT_URL ('f? p =' |) V ('APP_ID') | ':' || 42. ':' || V ('APP_SESSION'));

END IF;

END;

Basically, how can I redirect without applying any DML (if the user is in my article 'IN')?

Thanks for your help,

Aqua

Data in the table can be "protected" at different levels. Since SQL Native level (by dynamically injecting SQL predicates using Fine grain Access Control/FCAG), triggers, constraints, interfaces PL/SQL, and so on.

Using PL/SQL as an API is a common approach. It creates an abstraction layer, by removing the SQL table structures and so on, for the appellant. It is flexible, because it can contain some business rules, validation rules and so on, in order to protect the integrity of the transaction.

Thus, for example: create a package that handles the transactions necessary to insert new data. As part of the security of the transaction, the Apex runtime can be verified for the user of the current session - and an exception thrown if a breach of security.

You must now decide how to make this API call from an Apex page.

You can create a page (on presentation of the page) process which deals with the exception - and redirect the browser to another URL. You can have this process treat not the exception, causing the flow of Apex engine deal. You can define the region of the error for your theme and your request as a window popup Jquery - result with the workflow engine to redisplay the current page with the exception of the PL/SQL API message in a window of Jquery. Etc.

Do not forget that there must be a clear separation/border between server-side and features and the application (client) Apex code and functionality.

Do not mix of server and client, concepts and areas of responsibility in the same code.

Tags: Database

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