PAL.C.T MINI SHELL
#!/usr/bin/perl
# view_mail.cgi
# View a single email message
require './spam-lib.pl';
&foreign_require("mailbox", "mailbox-lib.pl");
$folder = &spam_file_folder();
&disable_indexing($folder);
$force_charset = '';
&ReadParse();
&ui_print_header(undef, $mailbox::text{'view_title'}, "");
@mail = &mailbox::mailbox_list_mails_sorted($in{'idx'}, $in{'idx'}, $folder);
$mail = $mail[$in{'idx'}];
&mailbox::parse_mail($mail);
@sub = split(/\0/, $in{'sub'});
$subs = join("", map { "&sub=$_" } @sub);
foreach $s (@sub) {
# We are looking at a mail within a mail ..
&mailbox::decrypt_attachments($mail);
local $amail = &mailbox::extract_mail($mail->{'attach'}->[$s]->{'data'});
&mailbox::parse_mail($amail);
$mail = $amail;
}
dbmopen(%read, "$user_config_directory/mailbox/read", 0600);
if ($mailbox::userconfig{'auto_mark'}) {
eval { $read{$mail->{'header'}->{'message-id'}} = 1 }
if (!$read{$mail->{'header'}->{'message-id'}});
}
print "<center>\n";
if (!@sub) {
if ($in{'idx'}) {
print "<a href='view_mail.cgi?idx=",
$in{'idx'}-1,"'>",
"<img src=/images/left.gif border=0 ",
"align=middle></a>\n";
}
print "<font size=+1>",&mailbox::text('view_desc', $in{'idx'}+1,
$folder->{'name'}),"</font>\n";
if ($in{'idx'} < @mail-1) {
print "<a href='view_mail.cgi?idx=",
$in{'idx'}+1,"'>",
"<img src=/images/right.gif border=0 ",
"align=middle></a>\n";
}
}
else {
print "<font size=+1>$text{'view_sub'}</font>\n";
}
print "</center>\n";
# Check for encryption
($deccode, $decmessage) = &mailbox::decrypt_attachments($mail);
@attach = @{$mail->{'attach'}};
# Find body attachment and type
($textbody, $htmlbody, $body) = &mailbox::find_body($mail);
# XXX look for text/calendar body
# Check for signing
if (&has_command("gpg") && &foreign_check("gnupg")) {
# Check for GnuPG signatures
local $sig;
foreach $a (@attach) {
$sig = $a if ($a->{'type'} =~ /^application\/pgp-signature/);
}
if ($sig) {
# Verify the signature against the rest of the attachment
&foreign_require("gnupg", "gnupg-lib.pl");
local $rest = $sig->{'parent'}->{'attach'}->[0];
$rest->{'raw'} =~ s/\r//g;
$rest->{'raw'} =~ s/\n/\r\n/g;
($sigcode, $sigmessage) = &foreign_call("gnupg",
"verify_data", $rest->{'raw'}, $sig->{'data'});
@attach = grep { $_ ne $sig } @attach;
}
elsif ($body && $body eq $textbody && $body->{'data'} =~ /(-+BEGIN PGP SIGNED MESSAGE-+\n(Hash:\s+(\S+)\n\n)?([\000-\377]+\n)-+BEGIN PGP SIGNATURE-+\n([\000-\377]+)-+END PGP SIGNATURE-+\n)/i) {
# Signature is in body text!
local $sig = $1;
local $text = $4;
&foreign_require("gnupg", "gnupg-lib.pl");
($sigcode, $sigmessage) = &foreign_call("gnupg",
"verify_data", $sig);
if ($sigcode == 0 || $sigcode == 1) {
# XXX what about replying?
$body->{'data'} = $text;
}
}
}
# Strip out attachments not to display as icons
@attach = grep { $_ ne $body } @attach;
@attach = grep { !$_->{'attach'} } @attach;
print "<table width=100% border=1>\n";
print "<tr> <td $tb><table width=100% cellpadding=0 cellspacing=0><tr>",
"<td><b>$mailbox::text{'view_headers'}</b></td>\n";
if ($in{'headers'}) {
print "<td align=right><a href='view_mail.cgi?idx=$in{'idx'}&headers=0$subs'>$mailbox::text{'view_noheaders'}</a></td>\n";
}
else {
print "<td align=right><a href='view_mail.cgi?idx=$in{'idx'}&headers=1$subs'>$mailbox::text{'view_allheaders'}</a></td>\n";
}
print "</tr></table></td> </tr>\n";
print "<tr> <td $cb><table width=100%>\n";
if ($in{'headers'}) {
# Show all the headers
if ($mail->{'fromline'}) {
print "<tr> <td><b>$text{'mail_rfc'}</b></td>",
"<td>",&mailbox::eucconv(&html_escape($mail->{'fromline'})),
"</td> </tr>\n";
}
foreach $h (@{$mail->{'headers'}}) {
print "<tr> <td><b>$h->[0]:</b></td> ",
"<td>",&mailbox::eucconv(&html_escape(&mailbox::decode_mimewords($h->[1]))),
"</td> </tr>\n";
}
}
else {
# Just show the most useful headers
print "<tr> <td><b>$mailbox::text{'mail_from'}</b></td> ",
"<td>",&address_link($mail->{'header'}->{'from'}),"</td> </tr>\n";
print "<tr> <td><b>$mailbox::text{'mail_to'}</b></td> ",
"<td>",&address_link($mail->{'header'}->{'to'}),"</td> </tr>\n";
print "<tr> <td><b>$mailbox::text{'mail_cc'}</b></td> ",
"<td>",&address_link($mail->{'header'}->{'cc'}),"</td> </tr>\n"
if ($mail->{'header'}->{'cc'});
print "<tr> <td><b>$mailbox::text{'mail_date'}</b></td> ",
"<td>",&mailbox::eucconv(&html_escape($mail->{'header'}->{'date'})),
"</td> </tr>\n";
print "<tr> <td><b>$mailbox::text{'mail_subject'}</b></td> ",
"<td>",&mailbox::eucconv(&html_escape(&mailbox::decode_mimewords(
$mail->{'header'}->{'subject'}))),"</td> </tr>\n";
if (!@sub) {
print "<tr> <td><b>$text{'mail_level2'}</b></td> ",
"<td>",length($mail->{'header'}->{'x-spam-level'}),"</td> </tr>\n";
}
}
print "</table></td></tr></table><p>\n";
# Show body attachment, with properly linked URLs
if ($body && $body->{'data'} =~ /\S/) {
if ($body eq $textbody) {
# Show plain text
print "<table width=100% border=1><tr><td $cb><pre>\n";
foreach $l (&mailbox::wrap_lines($body->{'data'},
$mailbox::userconfig{'wrap_width'})) {
print &mailbox::link_urls_and_escape($l),"\n";
}
print "</pre></td></tr></table><p>\n";
}
elsif ($body eq $htmlbody) {
# Attempt to show HTML
print "<table width=100% border=1><tr><td>\n";
print &mailbox::safe_html($body->{'data'});
print "</td></tr></table><p>\n";
}
}
# Display other attachments
if (@attach) {
print "<table width=100% border=1>\n";
print "<tr> <td $tb><b>$mailbox::text{'view_attach'}</b></td> </tr>\n";
print "<tr> <td $cb>\n";
foreach $a (@attach) {
local $fn;
$size = (int(length($a->{'data'})/1000)+1)." Kb";
local $cb;
if ($a->{'type'} eq 'message/rfc822') {
push(@titles, "$mailbox::text{'view_sub'}<br>$size");
}
elsif ($a->{'filename'}) {
push(@titles, &mailbox::decode_mimewords($a->{'filename'}).
"<br>$size");
$fn = &mailbox::decode_mimewords($a->{'filename'});
push(@detach, [ $a->{'idx'}, $fn ]);
}
else {
push(@titles, "$a->{'type'}<br>$size");
$a->{'type'} =~ /\/(\S+)$/;
$fn = "file.$1";
push(@detach, [ $a->{'idx'}, $fn ]);
}
$fn =~ s/ /_/g;
$fn =~ s/\#/_/g;
$fn = &html_escape($fn);
if ($a->{'type'} eq 'message/rfc822') {
push(@links, "view_mail.cgi?idx=$in{'idx'}$subs&sub=$a->{'idx'}");
}
else {
push(@links, "detach.cgi/$fn?idx=$in{'idx'}&attach=$a->{'idx'}$subs");
}
push(@icons, "/mailbox/images/boxes.gif");
}
&icons_table(\@links, \@titles, \@icons, 8);
print "</td></tr></table><p>\n";
}
# Display GnuPG results
if (defined($sigcode)) {
print "<table border width=100%>\n";
print "<tr $tb> <td><b>$mailbox::text{'view_gnupg'}</b></td> </tr>\n";
print "<tr $cb> <td>";
$sigmessage = &html_escape($sigmessage);
$sigmessage = $sigmessage if ($sigcode == 4);
print &mailbox::text('view_gnupg_'.$sigcode, $sigmessage),"\n";
if ($sigcode == 3) {
local $url = "/$module_name/view_mail.cgi?idx=$in{'idx'}&folder=$in{'folder'}$subs";
print "<p>",&mailbox::text('view_recv', $sigmessage, "/gnupg/recv.cgi?id=$sigmessage&return=".&urlize($url)."&returnmsg=".&urlize($text{'view_return'})),"\n";
}
print "</td> </tr></table><p>\n";
}
if ($deccode) {
print "<table border width=100%>\n";
print "<tr $tb> <td><b>$text{'view_crypt'}</b></td> </tr>\n";
print "<tr $cb> <td>";
print &mailbox::text('view_crypt_'.$deccode, "<pre>$decmessage</pre>");
print "</td> </tr></table><p>\n";
}
dbmclose(%read);
local @sr = !@sub ? ( ) :
( "view_mail.cgi?idx=$in{'idx'}", $mailbox::text{'view_return'} ),
$s = int((@mail - $in{'idx'} - 1) / $mailbox::userconfig{'perpage'}) *
$mailbox::userconfig{'perpage'};
&ui_print_footer(@sub ? ( "view_mail.cgi?idx=$in{'idx'}",
$mailbox::text{'view_return'} ) : ( ),
"mail.cgi", $text{'mail_return'});
# address_link(address)
sub address_link
{
local @addrs = &mailbox::split_addresses(&mailbox::decode_mimewords($_[0]));
local @rv;
foreach $a (@addrs) {
push(@rv, &html_escape($a->[2]));
}
return join(" , ", @rv);
}
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