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#!/usr/bin/perl -w use strict; use Tk; =head1 NAME crypt_edit.pl =head1 VERSION 0.1 (alpha) =head1 SYNOPSIS CryptEdit provides a quick text edit environment which saves directly to an encrypted file, which removes the incredibly insecure step of saving the text to a file on disk and then encrypting from there. =head1 AUTHOR Michael Libby x@ichimunki.com =head1 USAGE C<crypt_edit.pl> The program is set to use GnuPG using a keyring in a default location (or with an options file readable from the default location. (I have also included a sample that will use a keyring located on a floppy disk on a Windows machine). You may need to alter the $PRIV_CMD to operate with your install of PGP or GnuPG. Enter a valid pathname/filename. Enter a recipient name. Type your text (or even use cut and paste to insert text from elsewhere), click the "Encrypt to File" button. Viola! =cut #user settings #$PRIV_CMD must have a trailing space! my $PRIV_CMD = "gpg "; #my $PRIV_CMD = "pgp "; #my $PRIV_CMD = "gpg --homedir A: "; #construct the application window my $mw = Tk::MainWindow->new(); #create action buttons my $button_bar = $mw->Frame()->pack( -expand => 1, -fill => 'x'); my $button_encrypt = $button_bar->Button( -text => 'Encrypt to File', -command => \&encrypt_to_file ); my $button_exit = $button_bar->Button( -text => 'Exit', -command => \&exit_app ); $button_encrypt->pack( -side => 'left' ); $button_exit->pack( -side => 'left' ); #create entry fields my $name_frame = $mw->Frame()-> pack( -expand => 1, -fill => 'x' ); my $name_label = $name_frame->Label( text => 'Filename:')-> pack( -side => 'left' ); my $name_entry = $name_frame->Entry()-> pack( -side => 'right', -fill => 'x', -expand => 1 ); my $recip_frame = $mw->Frame()-> pack( -expand => 1, -fill => 'x' ); my $recip_label = $recip_frame->Label( text => 'Recipient:')-> pack( -side => 'left' ); my $recip_entry = $recip_frame->Entry()-> pack( -side => 'right', -fill => 'x', -expand => 1 ); #create main text area my $text_box = $mw->Scrolled( 'Text', '-scrollbars' => 'e', )-> pack(); MainLoop; sub encrypt_to_file { #get privacy call command my $priv_call = $PRIV_CMD; $priv_call .= "-r " . $recip_entry->get() . " "; $priv_call .= "-o " . $name_entry->get() . " "; $priv_call .= "--encrypt "; #get text my $text = $text_box->get('1.0', 'end'); #open pipe to privacy command open( PRIVACY, "| $priv_call"); print PRIVACY $text; close PRIVACY; } sub exit_app { #add check if text changed since last saved or signed? exit; } =head1 COPYRIGHT This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Also available in full at http://www.gnu.org/licenses/gpl.html =cut

In reply to crypt_edit.pl by ichimunki

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    [Corion]: erix: Yeah, I just found that it has no documentation at all on how to circumvent/ eliminate "1+n SELECTs" by building a local hash... I guess I have to make ->has_many do the hash lookup instead of doing the SQL query. But as the problem ...
    [Corion]: ... has only manifested itself so far through the puzzled questions of other bystanders, I won't go deeper at this time. But the DBIx::Class documentation could well do with a document on how to make "it" (that is, ORMs in general) faster ;)
    [Corion]: I find that DBIx::Class, like most ORMs makes things easy until they become performance critical and then makes it horribly hard to change things because the design is highly inflexible if you don't already know about the problems of 1+n :-/
    [choroba]: that's why I don't like similar libraries. They pretend you don't have to learn SQL, but in the end, you have to learn how SQL plus to overcome their own limitations
    [Corion]: "Just write the proper SQL beforehand" is of course the appropriate solution, but if you did that, you wouldn't/couldn't use DBIx::Class either. At least not in an obvious (to me) way.
    choroba scratches a "how"
    [Corion]: choroba: Exactly... But maybe that's just because I'm old and grumpy ;)
    [Corion]: But maybe that could also be a nice talk, how to restructure your DBIx::Class-based app to remove 1+n-style query patterns
    [Corion]: In theory, that should be easy because you should have the "where" clause from part 1 of the patterns and then do the corresponding single select using that where clause to select all rows in one go for the n other parts.
    [Corion]: But in practice I don't see any obvious places documented in DBIx::Class where one would do that and then just feed hash lookups instead of DB lookups for ->has_many results

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