doc/en/cgi/getmsg.cgi
2002-03-19 00:53:52 +00:00

228 lines
6.1 KiB
Perl
Executable file

#!/usr/bin/perl -T
#
# Given a filename, start offset and end offset of a mail message,
# read the message and format it nicely using HTML.
#
# by John Fieber
# February 26, 1998
#
# $FreeBSD: www/en/cgi/getmsg.cgi,v 1.33 2001/11/07 16:32:11 sobomax Exp $
#
require "./cgi-lib.pl";
require "./cgi-style.pl";
use POSIX qw(strftime);
#
# Files MUST be fully qualified and MUST start with this path.
#
$messagepath = "/usr/local/www/db/text/";
$messagepathcurrent = "/usr/local/www/mid/archive/";
$ftparchive = 'ftp://ftp.FreeBSD.org/pub/FreeBSD/doc/mailing-lists/archive';
&ReadParse(*formdata);
&Fetch($formdata{'fetch'});
exit 0;
sub Fetch
{
my ($docid) = @_;
my ($start, $end, $file, $type) = split(/ /, $docid);
my ($message, @finfo);
#
# Check to ensure that (a) the specified file starts
# with an approved pathname and (b) that it contains no
# relative components (eg ..). This is so that arbitrary
# files cannot be accessed.
#
$file =~ s/\.\.//g;
$file =~ s|/+|/|;
$file =~ s|^archive/|$messagepath/|;
# read the full archive
if ($type eq 'archive') {
# from the FreeBSD ftp server
if ($file =~ s%^$messagepath%%o) {
print "Location: $ftparchive/$file.gz\n";
print "Content-type: text/plain\n\n";
exit(0);
}
# from the local mail archive for current mails
elsif ($file =~ m%^current/(cvs|freebsd|p4)-[a-z0-9-]+$% &&
open(DATA, "$messagepathcurrent$file")) {
print "Content-type: text/plain\n\n";
while(<DATA>) {
print;
}
close(DATA);
exit(0);
}
}
if (($file =~ /^$messagepath/ && -f $file && open(DATA, $file)) ||
($file =~ m%^current/(cvs|freebsd|p4)-[a-z0-9-]+$% &&
open(DATA, "$messagepathcurrent$file")))
{
@finfo = stat DATA;
seek DATA, $start, 0;
if ($end > $start && $start >= 0) {
read DATA, $message, $end - $start;
} else {
# Unknown length, guess the end of the E-Mail
my($newline) = 0;
while(<DATA>) {
last if ($newline && /^From .* \d{4}/);
if (/^$/) { $newline = 1 } else { $newline = 0; }
$message .= $_;
}
}
close(DATA);
print "last-modified: " .
POSIX::strftime("%a, %d %b %Y %T GMT", gmtime($finfo[9])) . "\n";
# print E-Mail as plain ascii text
if ($type eq 'raw') {
print "Content-type: text/plain\n\n";
print $message;
return;
}
$message = &MessageToHTML($message, $file);
}
else
{
$message = "<p>The specified message cannot be accessed.</p>\n";
}
print &short_html_header("FreeBSD Mail Archives");
print $message;
print &html_footer;
print "</BODY></HTML>\n";
}
sub EscapeHTML
{
my ($text) = @_;
$text =~ s/&/&amp;/g;
$text =~ s/</&lt;/g;
$text =~ s/>/&gt;/g;
return $text;
}
sub MessageToHTML
{
my ($doc, $file) = @_;
my ($header, $body) = split(/\n\n/, $doc, 2);
my ($i, %hdr, $field, $data, $message);
my ($mid) = 'mid.cgi';
my ($tmid,$tirt,$tref);
$body = &AddAnchors(&EscapeHTML($body));
$header = &EscapeHTML($header);
$header =~ s/\n[ \t]+/ /g;
foreach $i (split(/\n/, $header)) {
($field, $data) = split(/ /, $i, 2);
$field =~ y/A-Z/a-z/;
$hdr{$field} = $data;
}
$message = "<pre>\n";
if (length($hdr{'date:'}) > 0) {
$message .= "<strong>Date: </strong> $hdr{'date:'}\n";
}
if (length($hdr{'from:'}) > 0) {
$message .= "<strong>From: </strong> $hdr{'from:'}\n";
}
if (length($hdr{'to:'}) > 0) {
$message .= "<strong>To: </strong> $hdr{'to:'}\n";
}
if (length($hdr{'cc:'}) > 0) {
$message .= "<strong>Cc: </strong> $hdr{'cc:'}\n";
}
# if (length($hdr{'sender:'}) > 0) {
# $message .= "<strong>Sender: </strong> $hdr{'sender:'}\n";
# }
if (length($hdr{'subject:'}) > 0) {
$message .= "<strong>Subject: </strong> $hdr{'subject:'}\n";
}
if ($hdr{'message-id:'}) {
$tmid = $hdr{'message-id:'};
$hdr{'message-id:'} =~
s%;([^&]+)&%;<a href="$mid?db=irt&id=$1">$1</a>&%oi;
$message .= "<strong>Message-ID: </strong> $hdr{'message-id:'}\n";
}
if ($hdr{'resent-message-id:'}) {
$hdr{'resent-message-id:'} =~
s%;([^&]+)&%;<a href="$mid?db=irt&id=$1">$1</a>&%oi;
$message .= "<strong>Resent-Message-ID: </strong>$hdr{'resent-message-id:'}\n";
}
if ($hdr{'in-reply-to:'}) {
$tirt = $hdr{'in-reply-to:'};
$hdr{'in-reply-to:'} =~
s%;([^&]+)&%;<a href="$mid?db=mid&id=$1">$1</a>&%oi;
$message .= "<strong>In-Reply-To: </strong>$hdr{'in-reply-to:'}\n";
}
if ($hdr{'references:'}) {
$tref = $hdr{'references:'};
$hdr{'references:'} =~
s%;([^&\s]+)&%;<a href="$mid?db=mid&id=$1">$1</a>&%goi;
$message .= "<strong>References: </strong> $hdr{'references:'}\n";
}
$message .= "</pre>\n";
$message .= "<HR NOSHADE>\n";
if ($tmid =~ m%;([^&]+)&%) {
$message .= qq{<a href="$mid?db=irt&id=$1">Next in thread</a>\n};
}
if ($tirt =~ m%;([^&]+)&% ||
$tref =~ m%;([^&]+)&%) {
$message .= qq{| <a href="$mid?db=mid&id=$1">Previous in thread</a>\n};
}
$message .= qq{| <a href="$ENV{'REQUEST_URI'}+raw">Raw E-Mail</a>\n};
my $file2 = $file;
if ($file2 =~ s%^$messagepath%archive/%oi ||
$file2 =~ /^current/) {
$message .= qq{| <a href="/mail/$file2.html">Index</a>\n};
}
$message .= qq{| <a href="$ENV{'REQUEST_URI'}+archive">Archive</a>\n};
$message .= qq{| <a href="../search/searchhints.html">Help</a>\n};
$message .= "<HR NOSHADE>\n";
$message .= "<p><pre>\n$body\n</pre>\n";
return $message;
}
sub AddAnchors
{
my ($text) = @_;
my $cvsweb = 'http://cvsweb.FreeBSD.org/';
$text =~ s/(http|https|ftp|gopher|mailto|news|file)(:[^\s]*?\/?)(\W?\s)/<a href="$1$2">$1$2<\/a>$3/goi;
if ($text =~ /Revision\s+Changes\s+Path/) {
# match revsion and file name
# 1.10 +2 -2 ports/audio/xmradio/Makefile
# ->
# cvsweb.cgi/ports/audio/xmradio/Makefile.diff?r1=1.9&r2=r.10
#
$text =~ s#([\d.]+\.)(\d+)(\s+[+-]\d+\s+[+-]\d+\s+)([a-zA-Z\d_:.+/-]+)#sprintf("%s%s%s<a href=\"$cvsweb/%s.diff?r1=%s%s&r2=%s%s\">%s</a>", $1, $2, $3, $4, $1, $2 - 1, $1, $2, $4)#ge;
}
return $text;
}