The London Perl and Raku Workshop takes place on 26th Oct 2024. If your company depends on Perl, please consider sponsoring and/or attending.
 / 
DBIx-Oracle-Unwrap-0.02
River stage zero No dependents
/ DBIx::Oracle::Unwrap

NAME

DBIx::Oracle::Unwrap - Unwrap code obsfuscated with the Oracle wrap command

VERSION

Version 0.01

SYNOPSIS

This class unwraps text that has been obsfuscated using the wrap utiltity supplied with version 10 of Oracle and above. Note that it does not unwrap text from earlier versions, as the method of obsfuscation is different

How to unwrap code in a file

    use DBIx::Oracle::Unwrap;
    my $filename       = "$HOME/plsql/mypackage.plb";
    my $unwrapper      = DBIx::Oracle::Unwrap->new();
    my $unwrapped_text = $unwrapper->unwrap_file($filename);

How to unwrap code in the database.

    use DBIx::Oracle::Unwrap;
    use DBI;
    
    my $dbh = DBI::Oracle->connect(
        'DBI:Oracle:orcl', 'scott', 'tiger'
    );
    
    my $source_sql = q/
        SELECT text
        FROM   user_source
        WHERE  name = 'MYPACKAGE'
        AND    type = 'PACKAGE BODY'
        ORDER  BY line
    /;
    
    my $source         = join("",@{$dbh->selectcol_arrayref($source_sql)});
    my $unwrapper      = DBIx::Oracle::Unwrap->new();
    my $unwrapped_text = $unwrapper->unwrap($source);

METHODS

new

Create an instance of DBIx::Oracle::Unwrap:

    my $unwrapper = DBIx::Oracle::Unwrap->new;

unwrap

Unwrap the provided text:

    my $unwrapped_text = $unwrapper->unwrap($mytext);

unwrap_file

Unwrap the text in the file provided:

    $my $unwrapped_text = $unwrapper->unwrap_file($file_name);

SEE ALSO

unwrap is a script supplied with this distribution that will unwrap obsfuscated files. It writes to STDOUT, so redirect to a file if you want to keep the output

    unwrap mysource.plb > unwrapped.plb

ACKNOWLEDGEMENTS

This code is largely based on uwrap.py, by Niels Teusink. See Unwrapping Oracle PL/SQL with unwrap.py

Thanks to Niels for supporting this port of his code.

AUTHOR

Dan Horne, <dhorne at cpan.org>

BUGS

Please report any bugs or feature requests to bug-dbix-oracle-unwrap at rt.cpan.org, or through the web interface at http://rt.cpan.org/NoAuth/ReportBug.html?Queue=DBIx-Oracle-Unwrap. I will be notified, and then you'll automatically be notified of progress on your bug as I make changes.

SUPPORT

You can find documentation for this module with the perldoc command.

    perldoc DBIx::Oracle::Unwrap

You can also look for information at:

LICENSE AND COPYRIGHT

Copyright 2012 Dan Horne

This Perl implementation is based on Python code by Niels Teusink, 2010 Unwrapping Oracle PL/SQL with unwrap.py

This program is free software; you can redistribute it and/or modify it under the terms of the the Artistic License (2.0). You may obtain a copy of the full license at:

http://www.perlfoundation.org/artistic_license_2_0

Any use, modification, and distribution of the Standard or Modified Versions is governed by this Artistic License. By using, modifying or distributing the Package, you accept this license. Do not use, modify, or distribute the Package, if you do not accept this license.

If your Modified Version has been derived from a Modified Version made by someone other than you, you are nevertheless required to ensure that your Modified Version complies with the requirements of this license.

This license does not grant you the right to use any trademark, service mark, tradename, or logo of the Copyright Holder.

This license includes the non-exclusive, worldwide, free-of-charge patent license to make, have made, use, offer to sell, sell, import and otherwise transfer the Package with respect to any patent claims licensable by the Copyright Holder that are necessarily infringed by the Package. If you institute patent litigation (including a cross-claim or counterclaim) against any party alleging that the Package constitutes direct or contributory patent infringement, then this Artistic License to you shall terminate on the date that such litigation is filed.

Disclaimer of Warranty: THE PACKAGE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS "AS IS' AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES. THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED TO THE EXTENT PERMITTED BY YOUR LOCAL LAW. UNLESS REQUIRED BY LAW, NO COPYRIGHT HOLDER OR CONTRIBUTOR WILL BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING IN ANY WAY OUT OF THE USE OF THE PACKAGE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.