Added the ability to trust XFF (X-Forwarded-For) headers.
<?php
/**!info**
{
"Plugin Name" : "plugin_specialgroups_title",
"Plugin URI" : "http://enanocms.org/",
"Description" : "plugin_specialgroups_desc",
"Author" : "Dan Fuhry",
"Version" : "1.1.6",
"Author URI" : "http://enanocms.org/"
}
**!*/
/*
* Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
* Copyright (C) 2007 Dan Fuhry
*
* This program is Free Software; you can redistribute 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 details.
*/
// $plugins->attachHook('session_started', 'SpecialGroups_paths_init();');
function SpecialGroups_paths_init()
{
register_special_page('Usergroups', 'specialpage_groupcp');
}
function page_Special_Usergroups()
{
global $db, $session, $paths, $template, $plugins; // Common objects
global $email; // Import e-mail encryption functions
global $lang;
if ( !$session->user_logged_in )
{
header('Location: ' . makeUrlComplete('Special', 'Login/' . $paths->page));
$db->close();
exit;
}
$template->header();
userprefs_show_menu();
if ( isset($_POST['do_view']) || isset($_POST['do_view_n']) || ( isset($_GET['act']) && isset($_POST['group_id']) ) )
{
$gid = ( isset ( $_POST['do_view_n'] ) ) ? intval($_POST['group_id_n']) : intval($_POST['group_id']);
if ( empty($gid) || $gid < 1 )
{
die_friendly('Error', '<p>Hacking attempt</p>');
}
$q = $db->sql_query('SELECT group_name,group_type,system_group FROM '.table_prefix.'groups WHERE group_id=' . $gid . ';');
if ( !$q )
{
$db->_die('SpecialGroups.php, line ' . __LINE__);
}
$row = $db->fetchrow();
$db->free_result();
$members = array();
$pending = array();
$q = $db->sql_query('SELECT u.username,u.email,u.reg_time,m.member_id,m.user_id,m.is_mod,m.pending,COUNT(c.comment_id) AS num_comments
FROM '.table_prefix.'users AS u
LEFT JOIN '.table_prefix.'group_members AS m
ON ( m.user_id = u.user_id )
LEFT JOIN '.table_prefix.'comments AS c
ON ( c.name = u.username )
WHERE m.group_id=' . $gid . '
GROUP BY u.user_id,u.username,u.email,u.reg_time,m.member_id,m.user_id,m.is_mod,m.pending
ORDER BY m.is_mod DESC,u.username ASC;');
if ( !$q )
{
$db->_die('SpecialGroups.php, line ' . __LINE__);
}
$is_member = false;
$is_mod = false;
$is_pending = false;
while ( $mr = $db->fetchrow() )
{
if ( $mr['pending'] == 1 )
{
$pending[] = $mr;
if ( $mr['user_id'] == $session->user_id )
{
$is_pending = true;
}
}
else
{
$members[] = $mr;
if ( $mr['user_id'] == $session->user_id )
{
$is_member = true;
if ( $mr['is_mod'] == 1 )
{
$is_mod = true;
}
}
}
}
$status = ( $is_member && $is_mod )
? $lang->get('groupcp_status_mod')
: ( ( $is_member && !$is_mod )
? $lang->get('groupcp_status_member')
: $lang->get('groupcp_status_not_member')
);
$can_do_admin_stuff = ( $is_mod || $session->user_level >= USER_LEVEL_ADMIN );
switch ( $row['group_type'] )
{
case GROUP_HIDDEN: $g_state = $lang->get('groupcp_type_hidden'); break;
case GROUP_CLOSED: $g_state = $lang->get('groupcp_type_closed'); break;
case GROUP_REQUEST: $g_state = $lang->get('groupcp_type_request'); break;
case GROUP_OPEN: $g_state = $lang->get('groupcp_type_open'); break;
}
if ( isset($_GET['act']) && $can_do_admin_stuff )
{
switch($_GET['act'])
{
case 'update':
if(!in_array(intval($_POST['group_state']), Array(GROUP_CLOSED, GROUP_OPEN, GROUP_HIDDEN, GROUP_REQUEST)))
{
die_friendly('ERROR', '<p>Hacking attempt</p>');
}
$q = $db->sql_query('SELECT group_type, system_group FROM '.table_prefix.'groups WHERE group_id=' . intval( $_POST['group_id']) . ';');
if ( !$q )
$db->_die('SpecialGroups.php, line ' . __LINE__);
$error = false;
if ( $db->numrows() < 1 )
{
echo '<div class="error-box" style="margin-left: 0;">The group you selected does not exist.</div>';
$error = true;
}
$r = $db->fetchrow();
if ( $r['system_group'] == 1 && ( intval($_POST['group_state']) == GROUP_OPEN || intval($_POST['group_state']) == GROUP_REQUEST ) )
{
echo '<div class="error-box" style="margin-left: 0;">' . $lang->get('groupcp_err_state_system_group') . '</div>';
$error = true;
}
if ( !$error )
{
$q = $db->sql_query('UPDATE '.table_prefix.'groups SET group_type=' . intval($_POST['group_state']) . ' WHERE group_id=' . intval( $_POST['group_id']) . ';');
if (!$q)
$db->_die('SpecialGroups.php, line ' . __LINE__);
$row['group_type'] = $_POST['group_state'];
echo '<div class="info-box" style="margin-left: 0;">' . $lang->get('groupcp_msg_state_updated') . '</div>';
}
break;
case 'adduser':
$username = $_POST['add_username'];
$mod = ( isset($_POST['add_mod']) ) ? '1' : '0';
$q = $db->sql_query('SELECT user_id FROM '.table_prefix.'users WHERE username=\'' . $db->escape($username) . '\';');
if (!$q)
$db->_die('SpecialGroups.php, line ' . __LINE__);
if ($db->numrows() < 1)
{
echo '<div class="error-box">' . $lang->get('groupcp_err_user_not_found') . '</div>';
break;
}
$r = $db->fetchrow();
$db->free_result();
$uid = intval($r['user_id']);
// Check if the user is already in the group, and if so, only update modship
$q = $db->sql_query('SELECT member_id,is_mod FROM '.table_prefix.'group_members WHERE user_id=' . $uid . ' AND group_id=' . intval($_POST['group_id']) . ';');
if ( !$q )
$db->_die('SpecialGroups.php, line ' . __LINE__);
if ( $db->numrows() > 0 )
{
$r = $db->fetchrow();
if ( (string) $r['is_mod'] != $mod )
{
$q = $db->sql_query('UPDATE '.table_prefix.'group_members SET is_mod=' . $mod . ' WHERE member_id=' . $r['member_id'] . ';');
if ( !$q )
$db->_die('SpecialGroups.php, line ' . __LINE__);
foreach ( $members as $i => $member )
{
if ( $member['member_id'] == $r['member_id'] )
$members[$i]['is_mod'] = (int)$mod;
}
echo '<div class="info-box">' . $lang->get('groupcp_msg_user_already_in_mod_updated', array('username' => $username)) . '</div>';
}
else
{
echo '<div class="info-box">' . $lang->get('groupcp_msg_user_already_in', array('username' => $username)) . '</div>';
}
break;
}
$db->free_result();
$q = $db->sql_query('INSERT INTO '.table_prefix.'group_members(group_id,user_id,is_mod) VALUES(' . intval($_POST['group_id']) . ', ' . $uid . ', ' . $mod . ');');
if (!$q)
$db->_die('SpecialGroups.php, line ' . __LINE__);
echo '<div class="info-box">' . $lang->get('groupcp_msg_user_added', array('username' => $username)) . '</div>';
$q = $db->sql_query('SELECT u.username,u.email,u.reg_time,m.member_id,m.user_id,m.is_mod,COUNT(c.comment_id) AS num_comments
FROM '.table_prefix.'users AS u
LEFT JOIN '.table_prefix.'group_members AS m
ON ( m.user_id = u.user_id )
LEFT JOIN '.table_prefix.'comments AS c
ON ( c.name = u.username )
WHERE m.group_id=' . $gid . '
AND m.pending!=1
AND u.user_id=' . $uid . '
GROUP BY u.user_id,u.username,u.email,u.reg_time,m.member_id,m.user_id,m.is_mod
ORDER BY m.is_mod DESC,u.username ASC
LIMIT 1;');
if ( !$q )
$db->_die('SpecialGroups.php, line ' . __LINE__);
$r = $db->fetchrow();
$members[] = $r;
$db->free_result();
// just added a user to the group, so regenerate the ranks cache
generate_cache_userranks();
break;
case 'del_users':
foreach ( $members as $i => $member )
{
if ( isset($_POST['del_user'][$member['member_id']]) )
{
$q = $db->sql_query('DELETE FROM '.table_prefix.'group_members WHERE member_id=' . $member['member_id'] . ';');
if (!$q)
$db->_die('SpecialGroups.php, line ' . __LINE__);
unset($members[$i]);
}
}
// regenerate the ranks cache
generate_cache_userranks();
break;
case 'pending':
foreach ( $pending as $i => $member )
{
if ( isset( $_POST['with_user'][$member['member_id']]) )
{
if ( isset ( $_POST['do_appr_pending'] ) )
{
$q = $db->sql_query('UPDATE '.table_prefix.'group_members SET pending=0 WHERE member_id=' . $member['member_id'] . ';');
if (!$q)
$db->_die('SpecialGroups.php, line ' . __LINE__);
$members[] = $member;
unset($pending[$i]);
continue;
}
elseif ( isset ( $_POST['do_reject_pending'] ) )
{
$q = $db->sql_query('DELETE FROM '.table_prefix.'group_members WHERE member_id=' . $member['member_id'] . ';');
if (!$q)
$db->_die('SpecialGroups.php, line ' . __LINE__);
unset($pending[$i]);
}
}
}
// memberships updated/changed, regenerate ranks cache
generate_cache_userranks();
echo '<div class="info-box">' . $lang->get('groupcp_msg_pending_updated') . '</div>';
break;
}
}
if ( isset($_GET['act']) && $_GET['act'] == 'update' && !$is_member && $row['group_type'] == GROUP_OPEN && !$can_do_admin_stuff )
{
$q = $db->sql_query('INSERT INTO '.table_prefix.'group_members(group_id,user_id) VALUES(' . $gid . ', ' . $session->user_id . ');');
if (!$q)
$db->_die('SpecialGroups.php, line ' . __LINE__);
echo '<div class="info-box">' . $lang->get('groupcp_msg_self_added') . '</div>';
$q = $db->sql_query('SELECT u.username,u.email,u.reg_time,m.member_id,m.user_id,m.is_mod,COUNT(c.comment_id) AS num_comments
FROM '.table_prefix.'users AS u
LEFT JOIN '.table_prefix.'group_members AS m
ON ( m.user_id = u.user_id )
LEFT JOIN '.table_prefix.'comments AS c
ON ( c.name = u.username )
WHERE m.group_id=' . $gid . '
AND m.pending!=1
AND u.user_id=' . $session->user_id . '
GROUP BY u.user_id,u.username,u.email,u.reg_time,m.member_id,m.user_id,m.is_mod
ORDER BY m.is_mod DESC,u.username ASC
LIMIT 1;');
if ( !$q )
$db->_die('SpecialGroups.php, line ' . __LINE__);
$r = $db->fetchrow();
$members[] = $r;
$db->free_result();
}
if ( isset($_GET['act']) && $_GET['act'] == 'update' && !$is_member && $row['group_type'] == GROUP_REQUEST && !$is_pending && !$can_do_admin_stuff )
{
$q = $db->sql_query('INSERT INTO '.table_prefix.'group_members(group_id,user_id,pending) VALUES(' . $gid . ', ' . $session->user_id . ', 1);');
if (!$q)
$db->_die('SpecialGroups.php, line ' . __LINE__);
echo '<div class="info-box">' . $lang->get('groupcp_msg_membership_requested') . '</div>';
}
$state_btns = ( $can_do_admin_stuff ) ?
'<label><input type="radio" name="group_state" value="' . GROUP_HIDDEN . '" ' . (( $row['group_type'] == GROUP_HIDDEN ) ? 'checked="checked"' : '' ) . ' /> ' . $lang->get('groupcp_type_hidden') . '</label>
<label><input type="radio" name="group_state" value="' . GROUP_CLOSED . '" ' . (( $row['group_type'] == GROUP_CLOSED ) ? 'checked="checked"' : '' ) . ' /> ' . $lang->get('groupcp_type_closed') . '</label>
<label><input type="radio" name="group_state" value="' . GROUP_REQUEST. '" ' . (( $row['group_type'] == GROUP_REQUEST) ? 'checked="checked"' : '' ) . ' /> ' . $lang->get('groupcp_type_request') . '</label>
<label><input type="radio" name="group_state" value="' . GROUP_OPEN . '" ' . (( $row['group_type'] == GROUP_OPEN ) ? 'checked="checked"' : '' ) . ' /> ' . $lang->get('groupcp_type_open') . '</label>'
: $g_state;
if ( !$can_do_admin_stuff && $row['group_type'] == GROUP_REQUEST && !$is_member )
{
if ( $is_pending )
$state_btns .= ' ' . $lang->get('groupcp_msg_status_pending');
else
$state_btns .= ' <input type="submit" value="' . $lang->get('groupcp_btn_request_join') . '" />';
}
if ( !$can_do_admin_stuff && $row['group_type'] == GROUP_OPEN && !$is_member )
{
$state_btns .= ' <input type="submit" value="' . $lang->get('groupcp_btn_join') . '" />';
}
$g_name_local = 'groupcp_grp_' . strtolower($row['group_name']);
$str = $lang->get($g_name_local);
if ( $str != $g_name_local )
$row['group_name'] = $str;
echo '<form action="' . makeUrl($paths->page, 'act=update') . '" method="post" enctype="multipart/form-data">
<div class="tblholder">
<table border="0" cellspacing="1" cellpadding="4">
<tr>
<th colspan="2">' . $lang->get('groupcp_th_group_info') . '</th>
</tr>
<tr>
<td class="row2">' . $lang->get('groupcp_lbl_group_name') . '</td>
<td class="row1">' . $row['group_name'] . ( $row['system_group'] == 1 ? ' ' . $lang->get('groupcp_msg_system_group') : '' ) . '</td>
</tr>
<tr>
<td class="row2">' . $lang->get('groupcp_lbl_status') . '</td>
<td class="row1">' . $status . '</td>
</tr>
<tr>
<td class="row2">' . $lang->get('groupcp_lbl_state') . '</td>
<td class="row1">' . $state_btns . '</td>
</tr>
' . ( ( $is_mod || $session->user_level >= USER_LEVEL_ADMIN ) ? '
<tr>
<th class="subhead" colspan="2">
<input type="submit" value="' . $lang->get('etc_save_changes') . '" />
</th>
</tr>
' : '' ) . '
</table>
</div>
<input name="group_id" value="' . $gid . '" type="hidden" />
</form>';
if ( sizeof ( $pending ) > 0 && $can_do_admin_stuff )
{
echo '<form action="' . makeUrl($paths->page, 'act=pending') . '" method="post" enctype="multipart/form-data">
<input name="group_id" value="' . $gid . '" type="hidden" />
<h2>' . $lang->get('groupcp_th_pending_memberships') . '</h2>
<div class="tblholder">
<table border="0" cellspacing="1" cellpadding="4">
<tr>
<th>' . $lang->get('groupcp_th_username') . '</th>
<th>' . $lang->get('groupcp_th_email') . '</th>
<th>' . $lang->get('groupcp_th_reg_time') . '</th>
<th>' . $lang->get('groupcp_th_comments') . '</th>
<th>' . $lang->get('groupcp_th_select') . '</th>
</tr>';
$cls = 'row2';
foreach ( $pending as $member )
{
$date = enano_date(ED_DATE, $member['reg_time']);
$cls = ( $cls == 'row2' ) ? 'row1' : 'row2';
$addy = $email->encryptEmail($member['email']);
echo "<tr>
<td class='{$cls}'>{$member['username']}</td>
<td class='{$cls}'>{$addy}</td>
<td class='{$cls}'>{$date}</td>
<td class='{$cls}'>{$member['num_comments']}</td>
<td class='{$cls}' style='text-align: center;'><input type='checkbox' name='with_user[{$member['member_id']}]' /></td>
</tr>";
}
echo '</table>
</div>
<div style="margin: 10px 0 0 auto;">
With selected:
<input type="submit" name="do_appr_pending" value="' . $lang->get('groupcp_btn_approve_pending') . '" />
<input type="submit" name="do_reject_pending" value="' . $lang->get('groupcp_btn_reject_pending') . '" />
</div>
</form>';
}
echo '<form action="' . makeUrl($paths->page, 'act=del_users') . '" method="post" enctype="multipart/form-data">
<h2>' . $lang->get('groupcp_th_group_members') . '</h2>
<div class="tblholder">
<table border="0" cellspacing="1" cellpadding="4">
<tr>
<th>' . $lang->get('groupcp_th_username') . '</th>
<th>' . $lang->get('groupcp_th_email') . '</th>
<th>' . $lang->get('groupcp_th_reg_time') . '</th>
<th>' . $lang->get('groupcp_th_comments') . '</th>
' . ( ( $can_do_admin_stuff ) ? '
<th>' . $lang->get('groupcp_th_remove') . '</th>
' : '' ) . '
</tr>
<tr>
<th colspan="5" class="subhead">' . $lang->get('groupcp_th_group_mods') . '</th>
</tr>';
$mod_printed = false;
$mem_printed = false;
$cls = 'row2';
foreach ( $members as $member )
{
if ( $member['is_mod'] != 1 )
break;
$date = enano_date(ED_DATE, $member['reg_time']);
$cls = ( $cls == 'row2' ) ? 'row1' : 'row2';
$addy = $email->encryptEmail($member['email']);
$mod_printed = true;
echo "<tr>
<td class='{$cls}'>{$member['username']}</td>
<td class='{$cls}'>{$addy}</td>
<td class='{$cls}'>{$date}</td>
<td class='{$cls}'>{$member['num_comments']}</td>
" . ( ( $can_do_admin_stuff ) ? "
<td class='{$cls}' style='text-align: center;'><input type='checkbox' name='del_user[{$member['member_id']}]' /></td>
" : '' ) . "
</tr>";
}
if (!$mod_printed)
echo '<tr><td class="' . $cls . '" colspan="5">' . $lang->get('groupcp_msg_no_mods') . '</td></th>';
echo '<tr><th class="subhead" colspan="5">' . $lang->get('groupcp_th_group_members') . '</th></tr>';
foreach ( $members as $member )
{
if ( $member['is_mod'] == 1 )
continue;
$date = enano_date(ED_DATE, $member['reg_time']);
$cls = ( $cls == 'row2' ) ? 'row1' : 'row2';
$addy = $email->encryptEmail($member['email']);
$mem_printed = true;
echo "<tr>
<td class='{$cls}'>{$member['username']}</td>
<td class='{$cls}'>{$addy}</td>
<td class='{$cls}'>{$date}</td>
<td class='{$cls}'>{$member['num_comments']}</td>
" . ( ( $can_do_admin_stuff ) ? "
<td class='{$cls}' style='text-align: center;'><input type='checkbox' name='del_user[{$member['member_id']}]' /></td>
" : '' ) . "
</tr>";
}
if (!$mem_printed)
echo '<tr><td class="' . $cls . '" colspan="5">' . $lang->get('groupcp_msg_no_members') . '</td></th>';
echo ' </table>
</div>';
if ( $can_do_admin_stuff )
{
echo "<div style='margin: 10px 0 0 auto;'><input type='submit' name='do_del_user' value=\"" . $lang->get('groupcp_btn_remove_selected') . "\" /></div>";
}
echo '<input name="group_id" value="' . $gid . '" type="hidden" />
</form>';
if ( $can_do_admin_stuff )
{
echo '<form action="' . makeUrl($paths->page, 'act=adduser') . '" method="post" enctype="multipart/form-data" onsubmit="if(!submitAuthorized) return false;">
<div class="tblholder">
<table border="0" cellspacing="1" cellpadding="4">
<tr>
<th colspan="2">' . $lang->get('groupcp_th_add_member') . '</th>
</tr>
<tr>
<td class="row2">' . $lang->get('groupcp_lbl_username') . '</td><td class="row1">' . $template->username_field('add_username') . '</td>
</tr>
<tr>
<td class="row2">' . $lang->get('groupcp_lbl_moderator') . '</td><td class="row1"><label><input type="checkbox" name="add_mod" /> ' . $lang->get('groupcp_lbl_make_mod') . '</label></td>
</tr>
<tr>
<th class="subhead" colspan="2">
<input type="submit" value="' . $lang->get('groupcp_btn_add_member') . '" />
</th>
</tr>
</table>
</div>
<input name="group_id" value="' . $gid . '" type="hidden" />
</form>';
}
}
else
{
echo '<form action="'.makeUrlNS('Special', 'Usergroups').'" method="post" onsubmit="if(!submitAuthorized) return false;" enctype="multipart/form-data">';
echo '<div class="tblholder">
<table border="0" style="width: 100%;" cellspacing="1" cellpadding="4">
<tr>
<th colspan="2">' . $lang->get('groupcp_th_select_group') . '</th>
</tr>
<tr>
<td class="row2" style="text-align: right; width: 50%;">
' . $lang->get('groupcp_lbl_current_memberships') . '
</td>
<td class="row1" style="width: 50%;">';
$taboo = Array('Everyone');
if ( sizeof ( $session->groups ) > count($taboo) )
{
echo '<select name="group_id">';
foreach ( $session->groups as $id => $group )
{
$taboo[] = $db->escape($group);
$group = htmlspecialchars($group);
if ( $group != 'Everyone' )
{
$g_name_local = 'groupcp_grp_' . strtolower($group);
$str = $lang->get($g_name_local);
if ( $str != $g_name_local )
$group = $str;
echo '<option value="' . $id . '">' . $group . '</option>';
}
}
echo '</select>
<input type="submit" name="do_view" value="' . $lang->get('groupcp_btn_view') . '" />';
}
else
{
echo 'None';
}
echo '</td>
</tr>';
$taboo = 'WHERE group_name != \'' . implode('\' AND group_name != \'', $taboo) . '\'';
$q = $db->sql_query('SELECT group_id,group_name FROM '.table_prefix.'groups '.$taboo.' AND group_type != ' . GROUP_HIDDEN . ' ORDER BY group_name ASC;');
if(!$q)
{
echo $db->get_error();
$template->footer();
return;
}
if($db->numrows() > 0)
{
echo '<tr>
<td class="row2" style="text-align: right;">
' . $lang->get('groupcp_lbl_non_memberships') . '
</td>
<td class="row1">
<select name="group_id_n">';
while ( $row = $db->fetchrow() )
{
if ( $row['group_name'] != 'Everyone' )
{
echo '<option value="' . $row['group_id'] . '">' . htmlspecialchars($row['group_name']) . '</option>';
}
}
echo '</select>
<input type="submit" name="do_view_n" value="' . $lang->get('groupcp_btn_view') . '" />
</td>
</tr>
';
}
$db->free_result();
echo '</table>
</div>
</form>';
}
$template->footer();
}
?>