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#-*- perl -*-
#
# Copyright (C) 2002 Ken'ichi Fukamachi
# All rights reserved. This program is free software; you can
# redistribute it and/or modify it under the same terms as Perl itself.
#
# $FML: FileUtils.pm,v 1.3 2002/04/07 12:13:03 fukachan Exp $
#
package FML::Command::FileUtils;
use strict;
use vars qw(@ISA @EXPORT @EXPORT_OK $AUTOLOAD);
use Carp;
use FML::Log qw(Log LogWarn LogError);
=head1 NAME
FML::Command::FileUtils - utilities to handle files
=head1 SYNOPSIS
=head1 DESCRIPTION
=head1 METHODS
=cut
# Descriptions: standard constructor
# Arguments: OBJ($self)
# Side Effects: none
# Return Value: OBJ
sub new
{
my ($self) = @_;
my ($type) = ref($self) || $self;
my $me = {};
use FML::Restriction::Base;
my $safe = new FML::Restriction::Base;
$me->{ _basic_variable } = $safe->basic_variable();
return bless $me, $type;
}
# Descriptions: remove files
# Arguments: OBJ($self) ... varargs ...
# Side Effects: remove files
# Return Value: same as remove()
sub delete
{
my ($self, @p) = @_;
$self->remove(@p);
}
# Descriptions: remove files
# Arguments: OBJ($self) HASH_REF($curproc) HASH_REF($command_args)
# HASH_REF($du_args)
# Side Effects: none
# Return Value: none
sub remove
{
my ($self, $curproc, $command_args, $du_args) = @_;
my $config = $curproc->{ config };
my $argv = $du_args->{ options };
my $is_error = 0;
# regexp
my $basic_variable = $self->{ _basic_variable };
my $file_regexp = $basic_variable->{ file };
my $ml_home_dir = $config->{ ml_home_dir };
# chdir $ml_home_dir firstly. return ASAP if failed.
chdir $ml_home_dir || croak("cannot chdir \$ml_home_dir");
for my $file (@$argv) {
# If $file is a safe pattern, o.k. Try to remove it!
if ($file =~ /^$file_regexp$/) {
if (-f $file) {
unlink $file;
if (-f $file) {
LogError("fail to remove $file");
$is_error++;
}
else {
Log("remove $file");
$curproc->reply_message_nl("command.remove_file",
"removed $file",
{ _arg_file => $file } );
}
}
else {
LogWarn("no such file $file");
$curproc->reply_message_nl("command.no_such_file",
"no such file $file",
{ _arg_file => $file } );
$is_error++;
}
}
# $file filename is unsafe. stop.
else {
LogError("<$file> is insecure");
$curproc->reply_message_nl('command.insecure',
"insecure input");
croak("remove: insecure argument");
}
}
if ($is_error) {
croak("remove: something fail.");
}
}
=head1 AUTHOR
Ken'ichi Fukamachi
=head1 COPYRIGHT
Copyright (C) 2002 Ken'ichi Fukamachi
All rights reserved. This program is free software; you can
redistribute it and/or modify it under the same terms as Perl itself.
=head1 HISTORY
FML::Command::FileUtils appeared in fml5 mailing list driver package.
See C<http://www.fml.org/> for more details.
=cut
1;
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