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admin.pl
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admin.pl
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#!/usr/bin/perl
use CGI::Carp qw(fatalsToBrowser);
use strict;
use CGI "-utf8";
use utf8::all;
use lib '.';
BEGIN { require 'config.pl'; }
BEGIN { require 'config_defaults.pl'; }
BEGIN { require 'wakautils.pl'; }
BEGIN { require 'kiramoji.pl'; }
use constant KIRAMOJI_SCRIPT => 'kiramoji.pl';
use constant MASK_PASSWD => make_key("mask",SECRET,16);
use constant IP_PASSWD => rc4(null_string(32),"ip".SECRET);
use constant PASS_PASSWD => rc4(null_string(32),"cryptpass".SECRET);
use constant ENCODED_PASS => encode_admin_pass(ADMIN_PASS);
use constant ADMIN_HEAD_INCLUDE => q{<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=<const CHARSET>" />
<title>Admin interface for <const TITLE></title>
<style type="text/css">
html, body { background: #eeeeff; }
a { color: #770022; }
a:hover { background: #aa1133; color: #eeeeff; }
#threadlist a { display: block; }
th { text-align: left; }
#deletecontrols { float: right; }
h2 { font-size: 1.2em; margin: 2em 0 0.5em 0; padding: 0; font-family: sans-serif; }
h2 a { text-decoration: none; color: #000000; }
h2 a:hover { text-decoration: underline; }
.post { border: 1px solid #7799cc; background: #e7e7ff; padding: 0; margin-bottom: 0.3em; clear: both; }
.postcommands { margin: 0; padding: 3px; background: #ccddff; font-family: sans-serif; }
h3 { font-size: 1em; margin: 0; padding: 0px; font-family: sans-serif; }
.posttext { padding: 0.5em 2em; }
.posttext a { text-decoration: none; color: #000000; }
.posttext a:hover { text-decoration: underline; }
.deletebutton { display:none; }
</style>
<script type="text/javascript">
function banclick(link)
{
var r=prompt("What's the reason for this ban?");
if(r) document.location=link.href+"&reason="+encodeURIComponent(r);
return false;
}
</script>
</head>
<body>
<h1>Admin interface for <const TITLE></h1>
};
use constant THREAD_TEMPLATE => compile_template(ADMIN_HEAD_INCLUDE.q{
<div class="navi">
Pages: <loop template_for("page",0,(scalar(@$threads)-1)/THREADS_DISPLAYED)>
<if $page eq $currpage><var $page + 1></if>
<if $page ne $currpage><a href="<var $self>/p<var $page>"><var $page + 1></a></if>
</loop>
<a href="<var $self>/list">Thread list</a>
</div>
<div id="maincommands">
<if @$editable>
Edit: <loop $editable>
<a href="<var $self>/edit?filename=<var urlenc($filename)>"><var $filename></a>
</loop>
<br />
</if>
<a href="<var $path><const KIRAMOJI_SCRIPT>?task=rebuild&admin=<var $adminpass>">Rebuild caches</a> |
<a href="<var $path><const HTML_SELF>">Return to board</a> |
<a href="<var $self>/logout">Log out</a>
</div>
<div id="threads">
<form action="<const KIRAMOJI_SCRIPT>" method="post">
<div id="deletecontrols">
<input type="hidden" name="task" value="delete" />
<input type="hidden" name="password" value="<var $adminpass>" />
<input type="hidden" name="r" value="1" />
<input value="Delete marked posts" type="submit" />
<label><input type="checkbox" name="fileonly" value="on" />File only</label>
</div>
<loop $shownthreads>
<h2><a href="<var $self>/<var $thread>/"><var $title or "Thread $thread"> (<var $postcount>)</a></h2>
<div class="threadcommands">
<if !$permasage><a href="<var $path><const KIRAMOJI_SCRIPT>?task=permasagethread&thread=<var $thread>&state=1&&admin=<var $adminpass>&r=1">permasage thread</a></if>
<if $permasage><a href="<var $path><const KIRAMOJI_SCRIPT>?task=permasagethread&thread=<var $thread>&state=0&&admin=<var $adminpass>&r=1">unpermasage thread</a></if>
-
<if !$closed><a href="<var $path><const KIRAMOJI_SCRIPT>?task=closethread&thread=<var $thread>&state=1&&admin=<var $adminpass>&r=1">close thread</a></if>
<if $closed><a href="<var $path><const KIRAMOJI_SCRIPT>?task=closethread&thread=<var $thread>&state=0&&admin=<var $adminpass>&r=1">open thread</a></if>
-
<a href="<var $path><const KIRAMOJI_SCRIPT>?task=deletethread&thread=<var $thread>&&admin=<var $adminpass>&r=1">delete thread</a>
</div>
<loop $posts>
<div class="post">
<div class="postcommands">
<label><input type="checkbox" name="delete" value="<var $thread>,<var $num>" />
Posted by: <var ADMIN_MASK_IPS?$masked_ip:$ip>
- Password: <var $password>
</label>
- <a href="<var $path><const KIRAMOJI_SCRIPT>?task=delete&delete=<var $thread>,<var $num>&password=<var $adminpass>&r=1">delete post</a>
<if $filename>- <a href="<var $path><const KIRAMOJI_SCRIPT>?task=delete&delete=<var $thread>,<var $num>&fileonly=1&password=<var $adminpass>&r=1">delete file</a></if>
<if ADMIN_BAN_FILE>- <a href="<var $self>/ban?admin=<var $adminpass>&id=<var $masked_ip>" onclick="return banclick(this)">ban IP</a></if>
</div>
<div class="posttext"><var $abbreviation or $text></div>
</div>
</loop>
</loop>
</div>
</form>
<div class="navi">
Pages: <loop template_for("page",0,(scalar(@$threads)-1)/THREADS_DISPLAYED)>
<if $page eq $currpage><var $page + 1></if>
<if $page ne $currpage><a href="<var $self>/p<var $page>"><var $page + 1></a></if>
</loop>
<a href="<var $self>/list">Thread list</a>
</div>
</body></html>
});
use constant EDIT_TEMPLATE => compile_template(ADMIN_HEAD_INCLUDE.q{
<div id="navi">
<a href="<var $self>">Return</a>
</div>
<if grep $filename eq $_,SPAM_FILES><p>
This is the list of domain names Kiramoji considers to be spam.<br />
You can find an up-to-date version
<a href="http://wakaba.c3.cx/antispam/antispam.pl?action=view&format=wakaba">here</a>,
or you can get the <code>spam.txt</code> file directly <a href="http://wakaba.c3.cx/antispam/spam.txt">here</a>.
</p></if>
<form action="<var $self>/edit" method="post">
<textarea name="contents" cols="80" rows="45"><var clean_string($contents)></textarea>
<br />
<input type="hidden" name="filename" value="<var clean_string($filename)>" />
<input type="hidden" name="admin" value="<const ENCODED_PASS>" />
<input type="submit" value="Save" />
</form>
</body></html>
});
use constant LIST_TEMPLATE => compile_template(ADMIN_HEAD_INCLUDE.q{
<div id="navi">
<a href="<var $self>">Return</a>
</div>
<table id="threadlist">
<thead><tr>
<th>Num</th><th>Title</th><th>Posts</th><th>Last post</th><th>File size</th>
</tr></thead>
<tbody>
<loop $threads>
<tr class="line<var $num&1>">
<td align="right"><var $num>:</td>
<td><a href="<var $self>/<var $thread>/"><var $title or "Thread $thread"><if $closed or $permasage> <small>(<if $closed>closed</if><if !$closed and $permasage>permasaged</if>)</small></if></a></td>
<td align="right"><a href="<var $self>/<var $thread>/"><var $postcount></a></td>
<td><var make_date($lastmod,DATE_STYLE)></td>
<td align="right"><var int($size/1024)> kb</td>
<td>
<if !$permasage><a href="<var $path><const KIRAMOJI_SCRIPT>?task=permasagethread&thread=<var $thread>&state=1&&admin=<var $adminpass>&r=1">permasage</a></if>
<if $permasage><a href="<var $path><const KIRAMOJI_SCRIPT>?task=permasagethread&thread=<var $thread>&state=0&&admin=<var $adminpass>&r=1">unpermasage</a></if>
</td>
<td>
<if !$closed><a href="<var $path><const KIRAMOJI_SCRIPT>?task=closethread&thread=<var $thread>&state=1&&admin=<var $adminpass>&r=1">close</a></if>
<if $closed><a href="<var $path><const KIRAMOJI_SCRIPT>?task=closethread&thread=<var $thread>&state=0&&admin=<var $adminpass>&r=1">open</a></if>
</td>
</tr>
</loop>
</tbody></table>
</body></html>
});
use constant LOGIN_TEMPLATE => compile_template(ADMIN_HEAD_INCLUDE.q{
<form action="<var $ENV{SCRIPT_NAME}.$ENV{PATH_INFO}>" method="post">
<if $failed><div align="center"><strong>Password incorrect</strong></div></if>
<div align="center">
Admin password:
<input type="password" name="berra" />
<input type="submit" value="Login" />
</div>
</form>
</body></html>
});
my @threads=get_threads(1);
my %log=read_log();
my $query=new CGI;
my $pass=$query->cookie("adminpass");
if($pass ne ENCODED_PASS)
{
my $password=$query->param("berra");
my $failed;
if($password ne ADMIN_PASS)
{
print_http_header();
print LOGIN_TEMPLATE->(
failed=>defined $password,
);
exit;
}
else
{
make_cookies(adminpass=>ENCODED_PASS,-autopath=>"current");
}
}
my @shownthreads;
my $showlist;
my ($threadnum,$ranges,$list,$edit,$ban,$logout,$page)=$ENV{PATH_INFO}=~
m!/(?:([0-9]+)(?:/(.*)|)|(list)|(edit)|(ban)|(logout)|p([0-9]+))!i;
if($threadnum)
{
show_threads(filter_post_ranges($threadnum,$ranges));
}
elsif($list)
{
show_list();
}
elsif($edit)
{
my $filename=$query->param("filename");
my $contents=$query->param("contents");
die "Not an editable file" unless grep { $_ eq $filename } (ADMIN_EDITABLE_FILES);
if(defined $contents)
{
die unless $query->param('admin') eq ENCODED_PASS;
do_save($filename,$contents);
}
else { show_edit($filename) }
}
elsif($ban)
{
my $id=$query->param("id");
my $reason=$query->param("reason");
die unless $query->param('admin') eq ENCODED_PASS;
do_ban($id,$reason);
}
elsif($logout)
{
make_cookies(adminpass=>"",-autopath=>"current");
make_http_forward($ENV{SCRIPT_NAME},ALTERNATE_REDIRECT);
}
else
{
$page=0 unless $page;
my $start=$page*THREADS_DISPLAYED;
my $end=$start+THREADS_DISPLAYED-1;
$end=$#threads if $end>$#threads;
show_threads(
map { filter_post_ranges($threads[$_],"l".ADMIN_SHOWN_POSTS,ADMIN_SHOWN_LINES) } ($start..$end)
);
}
sub show_threads(@)
{
my @shownthreads=@_;
foreach my $thread (@shownthreads)
{
foreach my $post (@{$$thread{posts}})
{
$$post{encrypted_password}=$log{$$thread{thread}}{$$post{num}}{password};
$$post{encrypted_ip}=$log{$$thread{thread}}{$$post{num}}{ip};
$$post{md5}=$log{$$thread{thread}}{$$post{num}}{md5};
$$post{filename}=$log{$$thread{thread}}{$$post{num}}{filename};
$$post{ip}=decrypt_ip($$post{encrypted_ip});
$$post{password}=decrypt_password($$post{encrypted_password});
$$post{masked_ip}=mask_ip($$post{ip},make_key("mask",SECRET,32));
}
}
print_http_header();
print THREAD_TEMPLATE->(
threads=>\@threads,
shownthreads=>\@shownthreads,
currpage=>$page,
adminpass=>ENCODED_PASS,
editable=>[map +{ filename=>$_ },(ADMIN_EDITABLE_FILES)],
);
}
sub show_list()
{
print_http_header();
print LIST_TEMPLATE->(
threads=>\@threads,
adminpass=>ENCODED_PASS,
);
}
sub show_edit($)
{
my ($filename)=@_;
my $contents=join "\n",read_array($filename);
print_http_header();
print EDIT_TEMPLATE->(
filename=>$filename,
contents=>$contents,
);
}
sub do_save($$)
{
my ($filename,$contents)=@_;
write_array($filename,$contents);
make_http_forward($ENV{SCRIPT_NAME},ALTERNATE_REDIRECT);
}
sub do_ban($$)
{
my ($id,$reason)=@_;
my $ip;
if($id=~/^\d+\.\d+\.\d+\.\d+$/) { $ip=$id }
elsif($id=~/^[0-9a-f]{8}$/i) { $ip=unmask_ip($id,make_key("mask",SECRET,32)) }
else { die "Invalid address specified" }
die "Banning is disabled" unless ADMIN_BAN_FILE;
open BANFILE,">>",ADMIN_BAN_FILE or die "Could not open ban file \"".ADMIN_BAN_FILE."\" for writing";
print BANFILE compile_template(ADMIN_BAN_TEMPLATE,1)->(
ip=>$ip,
reason=>$reason,
);
close BANFILE;
make_http_forward($ENV{HTTP_REFERER},ALTERNATE_REDIRECT);
}
sub print_http_header()
{
print "Content-Type: ".get_xhtml_content_type(CHARSET,0)."\n";
print "Expires: Mon, 26 Jul 1997 05:00:00 GMT\n";
print "Cache-Control: max-age=0; must-revalidate; no-cache\n";
print "Pragma: no-cache\n";
print "\n";
}
sub read_log()
{
my %posts;
for(read_array(LOG_FILE))
{
my ($thread,$num,%post);
($thread,$num,@post{"password","ip","key","md5","filename"})=split /\s*,\s*/;
$posts{$thread}{$num}=\%post;
}
return %posts;
}
sub decrypt_ip($)
{
my ($str)=@_;
my ($iv,$cipher);
if(($iv,$cipher)=$str=~/^(.*?)!(.*)$/)
{
eval "use Digest::MD5 qw(md5)";
return rc4_old(decode_base64($cipher),md5(SECRET.$iv));
}
elsif(($iv,$cipher)=$str=~/^(.*?):(.*)$/)
{
return rc4(decode_base64($cipher),"l".$iv.SECRET);
}
elsif(($iv,$cipher)=$str=~/^(.*?);(.*)$/)
{
return rc4(decode_base64($cipher),IP_PASSWD.$iv);
}
}
sub decrypt_password($)
{
my ($str)=@_;
my ($iv,$cipher);
if(($iv,$cipher)=$str=~/^(.*?);(.*)$/)
{
return rc4(decode_base64($cipher),PASS_PASSWD.$iv);
}
else
{
return $str;
}
}
sub rc4_old($$)
{
my ($message,$key)=@_;
my @k=unpack 'C*',$key;
my @s=0..255;
my $y=0;
for my $x (0..255)
{
$y=($k[$x%@k]+$s[$x]+$y)%256;
@s[$x,$y]=@s[$y,$x];
}
my $x,$y;
my @message=unpack 'C*',$message;
for(@message)
{
$x=($x+1)%256;
$y=($y+$s[$x])%256;
@s[$x,$y]=@s[$y,$x];
$_^=$s[($s[$x]+$s[$y])%256];
}
return pack 'C*',@message;
}