1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
##---------------------------------------------------------------------------##
## File:
## $Id: mhmsgextbody.pl,v 1.4 2003/01/18 02:58:12 ehood Exp $
## Author:
## Earl Hood mhonarc@mhonarc.org
## Description:
## Library defines routine to filter message/external-body parts to
## HTML for MHonArc.
## Filter routine can be registered with the following:
## <MIMEFILTERS>
## message/external-body;m2h_msg_extbody::filter;mhmsgextbody.pl
## </MIMEFILTERS>
##---------------------------------------------------------------------------##
## MHonArc -- Internet mail-to-HTML converter
## Copyright (C) 1999-2001 Earl Hood, mhonarc@mhonarc.org
##
## 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
##---------------------------------------------------------------------------##
package m2h_msg_extbody;
##---------------------------------------------------------------------------##
## message/external-body filter for MHonArc.
## The following filter arguments are recognized ($args):
##
## local-file Support local-file access-type. This option
## is best used for internal local mail archives
## where it is known that readers will have
## direct access to the file.
##
sub filter {
my($fields, $data, $isdecode, $args) = @_;
$args = '' unless defined $args;
# grab content-type
my $ctype = $fields->{'content-type'}[0];
return '' unless $ctype =~ /\S/;
# parse argument string
my $b_lfile = $args =~ /\blocal-file\b/i;
my $ret = '';
my $parms = readmail::MAILparse_parameter_str($ctype, 1);
my $access_type = lc $parms->{'access-type'}{'value'};
$access_type =~ s/\s//g;
my $cdesc = mhonarc::htmlize($fields->{'content-description'}[0]) || '';
$$data =~ s/\A\s+//;
my $dfields = readmail::MAILread_header($data);
my $dctype = mhonarc::htmlize($dfields->{'content-type'}[0]) || '';
my $dmd5 = mhonarc::htmlize($dfields->{'content-md5'}[0]) || '';
my $size = mhonarc::htmlize($parms->{'size'}{'value'}) || '';
my $expires = mhonarc::htmlize($parms->{'expiration'}{'value'}) || '';
my $name = $parms->{'name'}{'value'} || '';
ATYPE: {
## FTP, TFTP, ANON-FTP
if ( $access_type eq 'ftp' ||
$access_type eq 'anon-ftp' ||
$access_type eq 'tftp' ||
$access_type eq 'http' ||
$access_type eq 'x-http' ) {
my $site = $parms->{'site'}{'value'} ||
$parms->{'host'}{'value'} || '';
my $port = $parms->{'port'}{'value'} || '';
$port = ':'.$port if $port ne '';
my $dir = $parms->{'directory'}{'value'} ||
$parms->{'path'}{'value'} || '';
$dir = '/'.$dir unless $dir =~ m|^/| || $dir eq '';
my $mode = $parms->{'mode'}{'value'} || '';
my $proto = ($access_type eq 'x-http' || $access_type eq 'http')
? 'http'
: ($access_type eq 'tftp')
? 'tftp'
: 'ftp';
my $url = $proto . '://' .
mhonarc::urlize($site.$port) .
$dir . '/' .
mhonarc::urlize_path($name);
$ret = '<dl><dt>';
$ret .= qq|<em>$cdesc</em><br>\n| if $cdesc;
$ret .= qq|<a href="$url"><$url></a></dt><dd>\n|;
$ret .= qq|Content-type: <tt>$dctype</tt><br>\n|
if $dctype;
$ret .= qq|MD5: <tt>$dmd5</tt><br>\n|
if $dmd5;
$ret .= qq|Size: $size bytes<br>\n|
if $size;
$ret .= qq|Transfer-mode: <tt>$mode</tt><br>\n|
if $mode;
$ret .= qq|Expires: <tt>$expires</tt><br>\n|
if $expires;
$ret .= qq|Username/password may be required.<br>\n|
if $access_type eq 'ftp';
$ret .= "</dd></dl>\n";
last ATYPE;
}
## Local file
if ($access_type eq 'local-file') {
last ATYPE unless $b_lfile;
my $site = $parms->{'site'}{'value'} || '';
my $url = 'file://' . mhonarc::urlize_path($name);
$ret = '<dl><dt>';
$ret .= qq|<em>$cdesc</em><br>\n| if $cdesc;
$ret .= qq|<a href="$url"><$url></a></dt><dd>\n|;
$ret .= qq|Content-type: <tt>$dctype</tt><br>\n|
if $dctype;
$ret .= qq|MD5: <tt>$dmd5</tt><br>\n|
if $dmd5;
$ret .= qq|Size: $size bytes<br>\n| if $size;
$ret .= qq|Expires: <tt>$expires</tt><br>\n|
if $expires;
$ret .= qq|File accessible from the following domain: | .
qq|$site<br>\n| if $site;
$ret .= "</dd></dl>\n";
last ATYPE;
}
## Mail server
if ($access_type eq 'mail-server') {
# not supported
last ATYPE;
}
## URL
if ($access_type eq 'url') {
my $url = $parms->{'url'}{'value'};
$url =~ s/[\s<>]+//g;
$url =~ s/javascript/_javascript_/ig;
$ret = '<dl><dt>';
$ret .= qq|<em>$cdesc</em><br>\n| if $cdesc;
$ret .= qq|<a href="$url"><$url></a></dt><dd>\n|;
$ret .= qq|Content-type: <tt>$dctype</tt><br>\n|
if $dctype;
$ret .= qq|MD5: <tt>$dmd5</tt><br>\n|
if $dmd5;
$ret .= qq|Size: $size bytes<br>\n|
if $size;
$ret .= qq|Expires: <tt>$expires</tt><br>\n|
if $expires;
$ret .= "</dd></dl>\n";
last ATYPE;
}
last ATYPE;
}
($ret);
}
##---------------------------------------------------------------------------##
1;
|
