#! /usr/local/bin/perl
################################################################
###
###				 imclean
###
### Author:  Internet Message Group <img@mew.org>
### Created: Apr 23, 1997
### Revised: Mar  8, 2005
###

BEGIN {
    use lib '/usr/local/lib';
    use lib '/mnt/gmirror/ports/mail/im/work/im-148';	###DELETE-ON-INSTALL###
};

$Prog = 'imclean';
my $VERSION_DATE = "20050308";
my $VERSION_NUMBER = "148";
my $VERSION = "${Prog} version ${VERSION_DATE}(IM${VERSION_NUMBER})";
my $VERSION_INFORMATION = "${Prog} (IM ${VERSION_NUMBER}) ${VERSION_DATE}
Copyright (C) 1999 IM developing team
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
";

##
## Require packages
##

use IM::Config;
use IM::Util;
use IM::Folder;
use IM::File;
use integer;
use strict;
use vars qw($Prog $EXPLANATION @OptConfig
	    $opt_src $opt_noharm $opt_quiet $opt_verbose
	    $opt_debug $opt_help $opt_version);

##
## Environments
##

$EXPLANATION = "$VERSION
mail/news garbage cleanup

Usage: $Prog [OPTIONS] [FOLDER] [MSGS...]
";

@OptConfig = (
    'src;F;;'     => "Set a folder to be cleaned up",
    'SSHServer,S;s;localhost;SSH_server'
                       => 'SSH port relay server',
    'noharm;b;;'  => "Do not delete files, show what will be performed",
    'quiet;b;;'   => "Do not show any messages",
    'verbose;b;;' => 'With verbose messages',
    'debug;d;;'   => "With debug message",
    'help;b;;'    => "Display this help and exit",
    'version,V;b;;' => "Output version information and exit",
    );

##
## Profile and option processing
##

init_opt(\@OptConfig);
read_cfg();
read_opt(\@ARGV); # help?
print("${VERSION_INFORMATION}") && exit $EXIT_SUCCESS if $opt_version;
help($EXPLANATION) && exit $EXIT_SUCCESS if $opt_help;
debug_option($opt_debug) if $opt_debug;

##
## Main
##

my @msgs = @ARGV;
@msgs = ('all') if (!@ARGV);

imclean($opt_src, @msgs);
exit $EXIT_SUCCESS;

##
## work horse

sub imclean($@) {
    my($folder, @msgs) = @_;
    my(@paths, $set, $HANDLE);

    if ($folder !~ /^%/) {
	@paths = get_message_paths($folder, @msgs);
	if (scalar(@paths) == 0) {
	    im_warn("no msgs in $folder\n");
	    return;
	}
    } else {
	# IMAP folder (%folder[:[user[/auth]]@server])
	require IM::Imap && import IM::Imap;
	require IM::GetPass && import IM::GetPass;
	my($ifld, $auth, $user, $host);

	$ifld = $folder;
	if ($ifld !~ /[:\@]/) {
	    # Use ImapAccount spec, unless user or host is specified.
	    (my $dummy, $auth, $user, $host) = imap_spec('');
	    $ifld =~ s/^%//;
	} else {
	    ($ifld, $auth, $user, $host) = imap_spec($ifld);
	}

	my($pass, $agtfound, $interact) = getpass('imap', $auth, $host, $user);
	im_warn("accessing IMAP/$auth:$user\@$host\n") if (&verbose);

	(my $rc, $HANDLE) = imap_open($auth, $host, $user, $pass);
	if ($rc < 0) {
	    my $prompt = lc("imap/$auth:$user\@$host");
	    im_err("invalid password ($prompt).\n");
	    &savepass('imap', $auth, $host, $user, '')
		if ($agtfound && &usepwagent());
	    exit $EXIT_ERROR;
	}
	&savepass('imap', $auth, $host, $user, $pass)
	    if ($interact && $pass ne '' && &usepwagent());
	my $exists = imap_select($HANDLE, $ifld, 1);
	if ($exists < 0) {
	    imap_close($HANDLE);
	    im_die("can't access to $folder\n");
	} elsif ($exists == 0) {
	    imap_close($HANDLE);
	    im_warn("no msgs in $folder\n");
	    return;
	}
	$set = imap_range2set($HANDLE, @msgs);
    }

    print "unlinking msgs in $folder..." unless ($opt_noharm || $opt_quiet);
    print "\n" if $opt_verbose;
    flush('STDOUT') unless $opt_noharm;

    if ($folder !~ /^%/) {
	my $i = 0;
	foreach (@paths) {
	    if (! -f $_) {
		im_die("invalid message specification (unlinked $i message(s))\n");
	    }
	    im_unlink($_);
	    $i++;
	}
    } else {
	imap_delete($HANDLE, $set);
	imap_close($HANDLE);
    }

    print "done\n" unless ($opt_noharm || $opt_quiet);
    if ($folder !~ /^%/) {
	touch_folder($folder) unless $opt_noharm;
    }
}

__END__

=head1 NAME

imclean - mail/news garbage cleanup

=head1 SYNOPSIS

B<imclean> [OPTIONS] [FOLDER] [MSGS...]

=head1 DESCRIPTION

The I<imclean> command delete all mail/news messages from +trash folder.

If you do not want to delete all messages, specify message numbers.

This command is provided by IM (Internet Message).

=head1 OPTIONS

=over 5

=item I<-s, --src=FOLDER>

Set a folder to be cleaned up.  "--src=+xxx" is equivalent to "+xxx".
Default value is "+trash".

=item I<-S, --sshserver=SERVER>

SSH port relay server.

=item I<-n, --noharm={on,off}>

Do not delete files, show what will be performed.

=item I<-q, --quiet={on,off}>

Do not show any messages.

=item I<-v, --verbose={on,off}>

Print verbose messages when running.

=item I<--debug=DEBUG_OPTION>

Print debug messages when running.

=item I<-h, --help>

Display help message and exit.

=item I<--version>

Output version information and exit.

=back

=head1 COPYRIGHT

IM (Internet Message) is copyrighted by IM developing team.
You can redistribute it and/or modify it under the modified BSD
license.  See the copyright file for more details.

=cut

### Copyright (C) 1997, 1998, 1999 IM developing team
### All rights reserved.
### 
### Redistribution and use in source and binary forms, with or without
### modification, are permitted provided that the following conditions
### are met:
### 
### 1. Redistributions of source code must retain the above copyright
###    notice, this list of conditions and the following disclaimer.
### 2. Redistributions in binary form must reproduce the above copyright
###    notice, this list of conditions and the following disclaimer in the
###    documentation and/or other materials provided with the distribution.
### 3. Neither the name of the team nor the names of its contributors
###    may be used to endorse or promote products derived from this software
###    without specific prior written permission.
### 
### THIS SOFTWARE IS PROVIDED BY THE TEAM AND CONTRIBUTORS ``AS IS'' AND
### ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
### IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
### PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE TEAM OR CONTRIBUTORS BE
### LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
### CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
### SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
### BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
### WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
### OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
### IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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