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+# BEGIN BPS TAGGED BLOCK {{{
+#
+# COPYRIGHT:
+#
+# This software is Copyright (c) 1996-2009 Best Practical Solutions, LLC
+# <jesse@bestpractical.com>
+#
+# (Except where explicitly superseded by other copyright notices)
+#
+#
+# LICENSE:
+#
+# This work is made available to you under the terms of Version 2 of
+# the GNU General Public License. A copy of that license should have
+# been provided with this software, but in any event can be snarfed
+# from www.gnu.org.
+#
+# This work 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., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301 or visit their web page on the internet at
+# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html.
+#
+#
+# CONTRIBUTION SUBMISSION POLICY:
+#
+# (The following paragraph is not intended to limit the rights granted
+# to you to modify and distribute this software under the terms of
+# the GNU General Public License and is only of importance to you if
+# you choose to contribute your changes and enhancements to the
+# community by submitting them to Best Practical Solutions, LLC.)
+#
+# By intentionally submitting any modifications, corrections or
+# derivatives to this work, or any other work intended for use with
+# Request Tracker, to Best Practical Solutions, LLC, you confirm that
+# you are the copyright holder for those contributions and you grant
+# Best Practical Solutions, LLC a nonexclusive, worldwide, irrevocable,
+# royalty-free, perpetual, license to use, copy, create derivative
+# works based on those contributions, and sublicense and distribute
+# those contributions and any derivatives thereof.
+#
+# END BPS TAGGED BLOCK }}}
+
+package RT::Shredder::Plugin::Attachments;
+
+use strict;
+use warnings FATAL => 'all';
+use base qw(RT::Shredder::Plugin::Base::Search);
+
+=head1 NAME
+
+RT::Shredder::Plugin::Attachments - search plugin for wiping attachments.
+
+=head1 ARGUMENTS
+
+=head2 files_only - boolean value
+
+Search only file attachments.
+
+=head2 file - mask
+
+Search files with specific file name only.
+
+Example: '*.xl?' or '*.gif'
+
+=head2 longer - attachment content size
+
+Search attachments which content is longer than specified.
+You can use trailing 'K' or 'M' character to specify size in
+kilobytes or megabytes.
+
+=cut
+
+sub SupportArgs { return $_[0]->SUPER::SupportArgs, qw(files_only file longer) }
+
+sub TestArgs
+{
+ my $self = shift;
+ my %args = @_;
+ my $queue;
+ if( $args{'file'} ) {
+ unless( $args{'file'} =~ /^[\w\. *?]+$/) {
+ return( 0, "Files mask '$args{file}' has invalid characters" );
+ }
+ $args{'file'} = $self->ConvertMaskToSQL( $args{'file'} );
+ }
+ if( $args{'longer'} ) {
+ unless( $args{'longer'} =~ /^\d+\s*[mk]?$/i ) {
+ return( 0, "Invalid file size argument '$args{longer}'" );
+ }
+ }
+ return $self->SUPER::TestArgs( %args );
+}
+
+sub Run
+{
+ my $self = shift;
+ my @conditions = ();
+ my @values = ();
+ if( $self->{'opt'}{'file'} ) {
+ my $mask = $self->{'opt'}{'file'};
+ push @conditions, "( Filename LIKE ? )";
+ push @values, $mask;
+ }
+ if( $self->{'opt'}{'files_only'} ) {
+ push @conditions, "( LENGTH(Filename) > 0 )";
+ }
+ if( $self->{'opt'}{'longer'} ) {
+ my $size = $self->{'opt'}{'longer'};
+ $size =~ s/([mk])//i;
+ $size *= 1024 if $1 && lc $1 eq 'k';
+ $size *= 1024*1024 if $1 && lc $1 eq 'm';
+ push @conditions, "( LENGTH(Content) > ? )";
+ push @values, $size;
+ }
+ return (0, "At least one condition should be provided" ) unless @conditions;
+ my $query = "SELECT id FROM Attachments WHERE ". join ' AND ', @conditions;
+ if( $self->{'opt'}{'limit'} ) {
+ $RT::Handle->ApplyLimits( \$query, $self->{'opt'}{'limit'} );
+ }
+ my $sth = $RT::Handle->SimpleQuery( $query, @values );
+ return (0, "Internal error: '$sth'. Please send bug report.") unless $sth;
+
+ my @objs;
+ while( my $row = $sth->fetchrow_arrayref ) {
+ push @objs, $row->[0];
+ }
+ return (0, "Internal error: '". $sth->err ."'. Please send bug report.") if $sth->err;
+
+ map { $_ = "RT::Attachment-$_" } @objs;
+
+ return (1, @objs);
+}
+
+1;
+