149 lines
3.6 KiB
Perl
Executable file
149 lines
3.6 KiB
Perl
Executable file
#!/usr/local/bin/perl -T
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#
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# Given a filename, start offset and end offset of a mail message,
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# read the message and format it nicely using HTML.
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#
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# by John Fieber
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# February 26, 1998
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#
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# $Id: getmsg.cgi,v 1.7 1998-03-18 19:40:33 wosch Exp $
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#
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require "./cgi-lib.pl";
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require "./cgi-style.pl";
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use POSIX qw(strftime);
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#
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# Files MUST be fully qualified and MUST start with this path.
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#
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$messagepath = "/usr/local/www/db/text/";
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&ReadParse(*formdata);
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&Fetch($formdata{'fetch'});
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exit 0;
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sub Fetch
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{
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my ($docid) = @_;
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my ($start, $end, $file) = split(/ /, $docid);
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my ($message, @finfo);
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#
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# Check to ensure that (a) the specified file starts
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# with an approved pathname and (b) that it contains no
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# relative components (eg ..). This is so that arbitrary
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# files cannot be accessed.
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#
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$file =~ s/\.\.//g;
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$file =~ s|/+|/|;
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if ($file =~ /^$messagepath/ && open(DATA, $file))
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{
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@finfo = stat DATA;
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seek DATA, $start, 0;
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read DATA, $message, $end - $start;
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close(DATA);
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$message = &MessageToHTML($message);
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print "last-modified: " .
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POSIX::strftime("%a, %d %b %Y %T GMT", gmtime($finfo[9])) . "\n";
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}
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else
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{
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$message = "<p>The specified message cannot be accessed.</p>\n";
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}
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print &short_html_header("FreeBSD Mail Archives");
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print $message;
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print &html_footer;
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print "</BODY></HTML>\n";
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}
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sub EscapeHTML
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{
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my ($text) = @_;
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$text =~ s/&/&/g;
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$text =~ s/</</g;
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$text =~ s/>/>/g;
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return $text;
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}
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sub MessageToHTML
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{
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my ($doc) = @_;
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my ($header, $body) = split(/\n\n/, $doc, 2);
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my ($i, %hdr, $field, $data, $message);
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my ($mid) = '/~wosch/test/mid/mid.cgi';
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$body = &AddAnchors(&EscapeHTML($body));
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$header = &EscapeHTML($header);
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$header =~ s/\n[ \t]+/ /g;
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foreach $i (split(/\n/, $header)) {
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($field, $data) = split(/ /, $i, 2);
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$field =~ y/A-Z/a-z/;
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$hdr{$field} = $data;
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}
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$message = "<pre>\n";
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if (length($hdr{'date:'}) > 0) {
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$message .= "<strong>Date: </strong> $hdr{'date:'}\n";
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}
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if (length($hdr{'from:'}) > 0) {
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$message .= "<strong>From: </strong> $hdr{'from:'}\n";
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}
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if (length($hdr{'to:'}) > 0) {
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$message .= "<strong>To: </strong> $hdr{'to:'}\n";
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}
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if (length($hdr{'cc:'}) > 0) {
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$message .= "<strong>Cc: </strong> $hdr{'cc:'}\n";
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}
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# if (length($hdr{'sender:'}) > 0) {
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# $message .= "<strong>Sender: </strong> $hdr{'sender:'}\n";
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# }
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if (length($hdr{'subject:'}) > 0) {
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$message .= "<strong>Subject: </strong> $hdr{'subject:'}\n";
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}
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if ($hdr{'message-id:'}) {
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$hdr{'message-id:'} =~
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s%;([^&]+)&%;<a href="$mid?db=irt&id=$1">$1</a>&%oi;
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$message .= "<strong>Message-ID: </strong> $hdr{'message-id:'}\n";
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}
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if ($hdr{'resent-message-id:'}) {
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$hdr{'resent-message-id:'} =~
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s%;([^&]+)&%;<a href="$mid?db=irt&id=$1">$1</a>&%oi;
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$message .= "<strong>Resent-Message-ID: </strong> $hdr{'resent-message-id:'}\n";
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}
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if ($hdr{'in-reply-to:'}) {
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$hdr{'in-reply-to:'} =~
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s%;([^&]+)&%;<a href="$mid?db=mid&id=$1">$1</a>&%oi;
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$message .= "<strong>In-Reply-To: </strong> $hdr{'in-reply-to:'}\n";
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}
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if ($hdr{'references:'}) {
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$hdr{'references:'} =~
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s%;([^&\s]+)&%;<a href="$mid?db=mid&id=$1">$1</a>&%goi;
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$message .= "<strong>References: </strong> $hdr{'references:'}\n";
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}
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$message .= "</pre>\n";
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$message .= "<pre>\n$body\n</pre>\n";
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return $message;
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}
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sub AddAnchors
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{
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my ($text) = @_;
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$text =~ s/(http|https|ftp|gopher|mailto|news|file)(:[^\s]*?\/?)(\W?\s)/<a href="$1$2">$1$2<\/a>$3/goi;
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return $text;
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}
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