<?php
/*
* Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
* Version 1.0.1 (Loch Ness)
* Copyright (C) 2006-2007 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.
*/
require('includes/common.php');
global $db, $session, $paths, $template, $plugins; // Common objects
if(!isset($_GET['_mode'])) die('This script cannot be accessed directly.');
$_ob = '';
switch($_GET['_mode']) {
case "checkusername":
echo PageUtils::checkusername($_GET['name']);
break;
case "getsource":
$p = ( isset($_GET['pagepass']) ) ? $_GET['pagepass'] : false;
echo PageUtils::getsource($paths->page, $p);
break;
case "getpage":
// echo PageUtils::getpage($paths->page, false, ( (isset($_GET['oldid'])) ? $_GET['oldid'] : false ));
$revision_id = ( (isset($_GET['oldid'])) ? intval($_GET['oldid']) : 0 );
$page = new PageProcessor( $paths->cpage['urlname_nons'], $paths->namespace, $revision_id );
$pagepass = ( isset($_REQUEST['pagepass']) ) ? $_REQUEST['pagepass'] : '';
$page->password = $pagepass;
$page->send();
break;
case "savepage":
$summ = ( isset($_POST['summary']) ) ? $_POST['summary'] : '';
$minor = isset($_POST['minor']);
$e = PageUtils::savepage($paths->cpage['urlname_nons'], $paths->namespace, $_POST['text'], $summ, $minor);
if($e=='good')
{
$page = new PageProcessor($paths->cpage['urlname_nons'], $paths->namespace);
$page->send();
}
else
{
echo 'Error saving the page: '.$e;
}
break;
case "protect":
echo PageUtils::protect($paths->cpage['urlname_nons'], $paths->namespace, (int)$_POST['level'], $_POST['reason']);
break;
case "histlist":
echo PageUtils::histlist($paths->cpage['urlname_nons'], $paths->namespace);
break;
case "rollback":
echo PageUtils::rollback( (int)$_GET['id'] );
break;
case "comments":
$comments = new Comments($paths->cpage['urlname_nons'], $paths->namespace);
if ( isset($_POST['data']) )
{
$comments->process_json($_POST['data']);
}
else
{
die('{ "mode" : "error", "error" : "No input" }');
}
break;
case "rename":
echo PageUtils::rename($paths->cpage['urlname_nons'], $paths->namespace, $_POST['newtitle']);
break;
case "flushlogs":
echo PageUtils::flushlogs($paths->cpage['urlname_nons'], $paths->namespace);
break;
case "deletepage":
$reason = ( isset($_POST['reason']) ) ? $_POST['reason'] : false;
if ( empty($reason) )
die('Please enter a reason for deleting this page.');
echo PageUtils::deletepage($paths->cpage['urlname_nons'], $paths->namespace, $reason);
break;
case "delvote":
echo PageUtils::delvote($paths->cpage['urlname_nons'], $paths->namespace);
break;
case "resetdelvotes":
echo PageUtils::resetdelvotes($paths->cpage['urlname_nons'], $paths->namespace);
break;
case "getstyles":
echo PageUtils::getstyles($_GET['id']);
break;
case "catedit":
echo PageUtils::catedit($paths->cpage['urlname_nons'], $paths->namespace);
break;
case "catsave":
echo PageUtils::catsave($paths->cpage['urlname_nons'], $paths->namespace, $_POST);
break;
case "setwikimode":
echo PageUtils::setwikimode($paths->cpage['urlname_nons'], $paths->namespace, (int)$_GET['mode']);
break;
case "setpass":
echo PageUtils::setpass($paths->cpage['urlname_nons'], $paths->namespace, $_POST['password']);
break;
case "fillusername":
$name = (isset($_GET['name'])) ? $db->escape($_GET['name']) : false;
if ( !$name )
{
die('userlist = new Array(); errorstring=\'Invalid URI\'');
}
$q = $db->sql_query('SELECT username,user_id FROM '.table_prefix.'users WHERE lcase(username) LIKE lcase(\'%'.$name.'%\');');
if ( !$q )
{
die('userlist = new Array(); errorstring=\'MySQL error selecting username data: '.addslashes(mysql_error()).'\'');
}
if($db->numrows() < 1)
{
die('userlist = new Array(); errorstring=\'No usernames found\';');
}
echo 'var errorstring = false; userlist = new Array();';
$i = 0;
while($r = $db->fetchrow())
{
echo "userlist[$i] = '".addslashes($r['username'])."'; ";
$i++;
}
$db->free_result();
break;
case "fillpagename":
$name = (isset($_GET['name'])) ? $_GET['name'] : false;
if(!$name) die('userlist = new Array(); namelist = new Array(); errorstring=\'Invalid URI\'');
$nd = RenderMan::strToPageID($name);
$c = 0;
$u = Array();
$n = Array();
$name = sanitize_page_id($name);
$name = str_replace('_', ' ', $name);
for($i=0;$i<sizeof($paths->pages)/2;$i++)
{
if( (
preg_match('#'.preg_quote($name).'(.*)#i', $paths->pages[$i]['name']) ||
preg_match('#'.preg_quote($name).'(.*)#i', $paths->pages[$i]['urlname']) ||
preg_match('#'.preg_quote($name).'(.*)#i', $paths->pages[$i]['urlname_nons']) ||
preg_match('#'.preg_quote(str_replace(' ', '_', $name)).'(.*)#i', $paths->pages[$i]['name']) ||
preg_match('#'.preg_quote(str_replace(' ', '_', $name)).'(.*)#i', $paths->pages[$i]['urlname']) ||
preg_match('#'.preg_quote(str_replace(' ', '_', $name)).'(.*)#i', $paths->pages[$i]['urlname_nons'])
) &&
( ( $nd[1] != 'Article' && $paths->pages[$i]['namespace'] == $nd[1] ) || $nd[1] == 'Article' )
&& $paths->pages[$i]['visible']
)
{
$c++;
$u[] = $paths->pages[$i]['name'];
$n[] = $paths->pages[$i]['urlname'];
}
}
if($c > 0)
{
echo 'userlist = new Array(); namelist = new Array(); errorstring = false; '."\n";
for($i=0;$i<sizeof($u);$i++) // Can't use foreach because we need the value of $i and we need to use both $u and $n
{
echo "userlist[$i] = '".addslashes($n[$i])."';\n";
echo "namelist[$i] = '".addslashes(htmlspecialchars($u[$i]))."';\n";
}
} else {
die('userlist = new Array(); namelist = new Array(); errorstring=\'No page matches found.\'');
}
break;
case "preview":
echo PageUtils::genPreview($_POST['text']);
break;
case "pagediff":
$id1 = ( isset($_GET['diff1']) ) ? (int)$_GET['diff1'] : false;
$id2 = ( isset($_GET['diff2']) ) ? (int)$_GET['diff2'] : false;
if(!$id1 || !$id2) { echo '<p>Invalid request.</p>'; $template->footer(); break; }
if(!preg_match('#^([0-9]+)$#', (string)$_GET['diff1']) ||
!preg_match('#^([0-9]+)$#', (string)$_GET['diff2'] )) { echo '<p>SQL injection attempt</p>'; $template->footer(); break; }
echo PageUtils::pagediff($paths->cpage['urlname_nons'], $paths->namespace, $id1, $id2);
break;
case "jsres":
die('// ERROR: this section is deprecated and has moved to includes/clientside/static/enano-lib-basic.js.');
break;
case "rdns":
if(!$session->get_permissions('mod_misc')) die('Go somewhere else for your reverse DNS info!');
$ip = $_GET['ip'];
$rdns = gethostbyaddr($ip);
if($rdns == $ip) echo 'Unable to get reverse DNS information. Perhaps the DNS server is down or the PTR record no longer exists.';
else echo $rdns;
break;
case 'acljson':
$parms = ( isset($_POST['acl_params']) ) ? rawurldecode($_POST['acl_params']) : false;
echo PageUtils::acl_json($parms);
break;
case "change_theme":
if ( !isset($_POST['theme_id']) || !isset($_POST['style_id']) )
{
die('Invalid input');
}
if ( !preg_match('/^([a-z0-9_-]+)$/i', $_POST['theme_id']) || !preg_match('/^([a-z0-9_-]+)$/i', $_POST['style_id']) )
{
die('Invalid input');
}
if ( !file_exists(ENANO_ROOT . '/themes/' . $_POST['theme_id'] . '/css/' . $_POST['style_id'] . '.css') )
{
die('Can\'t find theme file: ' . ENANO_ROOT . '/themes/' . $_POST['theme_id'] . '/css/' . $_POST['style_id'] . '.css');
}
if ( !$session->user_logged_in )
{
die('You must be logged in to change your theme');
}
// Just in case something slipped through...
$theme_id = $db->escape($_POST['theme_id']);
$style_id = $db->escape($_POST['style_id']);
$e = $db->sql_query('UPDATE ' . table_prefix . "users SET theme='$theme_id', style='$style_id' WHERE user_id=$session->user_id;");
if ( !$e )
die( $db->get_error() );
die('GOOD');
break;
case 'get_tags':
$json = new Services_JSON(SERVICES_JSON_LOOSE_TYPE);
$ret = array('tags' => array(), 'user_level' => $session->user_level, 'can_add' => $session->get_permissions('tag_create'));
$q = $db->sql_query('SELECT t.tag_id, t.tag_name, pg.pg_target IS NOT NULL AS used_in_acl, t.user FROM '.table_prefix.'tags AS t
LEFT JOIN '.table_prefix.'page_groups AS pg
ON ( ( pg.pg_type = ' . PAGE_GRP_TAGGED . ' AND pg.pg_target=t.tag_name ) OR ( pg.pg_type IS NULL AND pg.pg_target IS NULL ) )
WHERE t.page_id=\'' . $db->escape($paths->cpage['urlname_nons']) . '\' AND t.namespace=\'' . $db->escape($paths->namespace) . '\';');
if ( !$q )
$db->_die();
while ( $row = $db->fetchrow() )
{
$can_del = true;
$perm = ( $row['user'] != $session->user_id ) ?
'tag_delete_other' :
'tag_delete_own';
if ( $row['user'] == 1 && !$session->user_logged_in )
// anonymous user trying to delete tag (hardcode blacklisted)
$can_del = false;
if ( !$session->get_permissions($perm) )
$can_del = false;
if ( $row['used_in_acl'] == 1 && !$session->get_permissions('edit_acl') && $session->user_level < USER_LEVEL_ADMIN )
$can_del = false;
$ret['tags'][] = array(
'id' => $row['tag_id'],
'name' => $row['tag_name'],
'can_del' => $can_del,
'acl' => ( $row['used_in_acl'] == 1 )
);
}
echo $json->encode($ret);
break;
case 'addtag':
$json = new Services_JSON(SERVICES_JSON_LOOSE_TYPE);
$resp = array(
'success' => false,
'error' => 'No error',
'can_del' => ( $session->get_permissions('tag_delete_own') && $session->user_logged_in ),
'in_acl' => false
);
// first of course, are we allowed to tag pages?
if ( !$session->get_permissions('tag_create') )
{
$resp['error'] = 'You are not permitted to tag pages.';
die($json->encode($resp));
}
// sanitize the tag name
$tag = sanitize_tag($_POST['tag']);
$tag = $db->escape($tag);
if ( strlen($tag) < 2 )
{
$resp['error'] = 'Tags must consist of at least 2 alphanumeric characters.';
die($json->encode($resp));
}
// check if tag is already on page
$q = $db->sql_query('SELECT 1 FROM '.table_prefix.'tags WHERE page_id=\'' . $db->escape($paths->cpage['urlname_nons']) . '\' AND namespace=\'' . $db->escape($paths->namespace) . '\' AND tag_name=\'' . $tag . '\';');
if ( !$q )
$db->_die();
if ( $db->numrows() > 0 )
{
$resp['error'] = 'This page already has this tag.';
die($json->encode($resp));
}
$db->free_result();
// tricky: make sure this tag isn't being used in some page group, and thus adding it could affect page access
$can_edit_acl = ( $session->get_permissions('edit_acl') || $session->user_level >= USER_LEVEL_ADMIN );
$q = $db->sql_query('SELECT 1 FROM '.table_prefix.'page_groups WHERE pg_type=' . PAGE_GRP_TAGGED . ' AND pg_target=\'' . $tag . '\';');
if ( !$q )
$db->_die();
if ( $db->numrows() > 0 && !$can_edit_acl )
{
$resp['error'] = 'This tag is used in an ACL page group, and thus can\'t be added to a page by people without administrator privileges.';
die($json->encode($resp));
}
$resp['in_acl'] = ( $db->numrows() > 0 );
$db->free_result();
// we're good
$q = $db->sql_query('INSERT INTO '.table_prefix.'tags(tag_name,page_id,namespace,user) VALUES(\'' . $tag . '\', \'' . $db->escape($paths->cpage['urlname_nons']) . '\', \'' . $db->escape($paths->namespace) . '\', ' . $session->user_id . ');');
if ( !$q )
$db->_die();
$resp['success'] = true;
$resp['tag'] = $tag;
$resp['tag_id'] = $db->insert_id();
echo $json->encode($resp);
break;
case 'deltag':
$tag_id = intval($_POST['tag_id']);
if ( empty($tag_id) )
die('Invalid tag ID');
$q = $db->sql_query('SELECT t.tag_id, t.user, t.page_id, t.namespace, pg.pg_target IS NOT NULL AS used_in_acl FROM '.table_prefix.'tags AS t
LEFT JOIN '.table_prefix.'page_groups AS pg
ON ( pg.pg_id IS NULL OR ( pg.pg_target = t.tag_name AND pg.pg_type = ' . PAGE_GRP_TAGGED . ' ) )
WHERE t.tag_id=' . $tag_id . ';');
if ( !$q )
$db->_die();
if ( $db->numrows() < 1 )
die('Could not find a tag with that ID');
$row = $db->fetchrow();
$db->free_result();
if ( $row['page_id'] == $paths->cpage['urlname_nons'] && $row['namespace'] == $paths->namespace )
$perms =& $session;
else
$perms = $session->fetch_page_acl($row['page_id'], $row['namespace']);
$perm = ( $row['user'] != $session->user_id ) ?
'tag_delete_other' :
'tag_delete_own';
if ( $row['user'] == 1 && !$session->user_logged_in )
// anonymous user trying to delete tag (hardcode blacklisted)
die('You are not authorized to delete this tag.');
if ( !$perms->get_permissions($perm) )
die('You are not authorized to delete this tag.');
if ( $row['used_in_acl'] == 1 && !$perms->get_permissions('edit_acl') && $session->user_level < USER_LEVEL_ADMIN )
die('You are not authorized to delete this tag.');
// We're good
$q = $db->sql_query('DELETE FROM '.table_prefix.'tags WHERE tag_id = ' . $tag_id . ';');
if ( !$q )
$db->_die();
echo 'success';
break;
default:
die('Hacking attempt');
break;
}
?>