<?php
/*
* Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
* Version 1.1.6 (Caoineag beta 1)
* Copyright (C) 2006-2008 Dan Fuhry
* pageutils.php - a class that handles raw page manipulations, used mostly by AJAX requests or their old-fashioned form-based counterparts
*
* 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.
*/
class PageUtils {
/**
* Tell if a username is used or not.
* @param $name the name to check for
* @return string
*/
public static function checkusername($name)
{
global $db, $session, $paths, $template, $plugins; // Common objects
$name = str_replace('_', ' ', $name);
$q = $db->sql_query('SELECT username FROM ' . table_prefix.'users WHERE username=\'' . $db->escape(rawurldecode($name)) . '\'');
if ( !$q )
{
die($db->get_error());
}
if ( $db->numrows() < 1)
{
$db->free_result(); return('good');
}
else
{
$db->free_result(); return('bad');
}
}
/**
* Get the wiki formatting source for a page
* @param $page the full page id (Namespace:Pagename)
* @return string
* @todo (DONE) Make it require a password (just for security purposes)
*/
public static function getsource($page, $password = false)
{
global $db, $session, $paths, $template, $plugins; // Common objects
if(!isPage($page))
{
return '';
}
if(strlen($paths->pages[$page]['password']) == 40)
{
if(!$password || ( $password != $paths->pages[$page]['password']))
{
return 'invalid_password';
}
}
if(!$session->get_permissions('view_source')) // Dependencies handle this for us - this also checks for read privileges
return 'access_denied';
$pid = RenderMan::strToPageID($page);
if($pid[1] == 'Special' || $pid[1] == 'Admin')
{
die('This type of page (' . $paths->nslist[$pid[1]] . ') cannot be edited because the page source code is not stored in the database.');
}
$e = $db->sql_query('SELECT page_text,char_tag FROM ' . table_prefix.'page_text WHERE page_id=\'' . $pid[0] . '\' AND namespace=\'' . $pid[1] . '\'');
if ( !$e )
{
$db->_die('The page text could not be selected.');
}
if( $db->numrows() < 1 )
{
return ''; //$db->_die('There were no rows in the text table that matched the page text query.');
}
$r = $db->fetchrow();
$db->free_result();
$message = $r['page_text'];
return htmlspecialchars($message);
}
/**
* DEPRECATED. Previously returned the full rendered contents of a page.
* @param $page the full page id (Namespace:Pagename)
* @param $send_headers true if the theme headers should be sent (still dependent on current page settings), false otherwise
* @return string
*/
public static function getpage($page, $send_headers = false, $hist_id = false)
{
die('PageUtils->getpage is deprecated.');
}
/**
* Writes page data to the database, after verifying permissions and running the XSS filter
* @param $page_id the page ID
* @param $namespace the namespace
* @param $message the text to save
* @return string
*/
public static function savepage($page_id, $namespace, $message, $summary = 'No edit summary given', $minor = false)
{
global $db, $session, $paths, $template, $plugins; // Common objects
$uid = sha1(microtime());
$pname = $paths->nslist[$namespace] . $page_id;
if(!$session->get_permissions('edit_page'))
return 'Access to edit pages is denied.';
if(!isPage($pname))
{
$create = PageUtils::createPage($page_id, $namespace);
if ( $create != 'good' )
return 'The page did not exist, and I was not able to create it. The reported error was: ' . $create;
$paths->page_exists = true;
}
// Check page protection
$is_protected = false;
$page_data =& $paths->pages[$pname];
// Is the protection semi?
if ( $page_data['protected'] == 2 )
{
$is_protected = true;
// Page is semi-protected. Has the user been here for at least 4 days?
// 345600 seconds = 4 days
if ( $session->user_logged_in && ( $session->reg_time + 345600 ) <= time() )
$is_protected = false;
}
// Is the protection full?
else if ( $page_data['protected'] == 1 )
{
$is_protected = true;
}
// If it's protected and we DON'T have even_when_protected rights, bail out
if ( $is_protected && !$session->get_permissions('even_when_protected') )
{
return 'You don\'t have the necessary permissions to edit this page.';
}
// We're skipping the wiki mode check here because by default edit_page pemissions are AUTH_WIKIMODE.
// The exception here is the user's own userpage, which is overridden at the time of account creation.
// At that point it's set to AUTH_ALLOW, but obviously only for the user's own userpage.
// Strip potentially harmful tags and PHP from the message, dependent upon permissions settings
$message = RenderMan::preprocess_text($message, false, false);
$msg = $db->escape($message);
$minor = $minor ? ENANO_SQL_BOOLEAN_TRUE : ENANO_SQL_BOOLEAN_FALSE;
$q='INSERT INTO ' . table_prefix.'logs(log_type,action,time_id,date_string,page_id,namespace,page_text,char_tag,author,edit_summary,minor_edit) VALUES(\'page\', \'edit\', '.time().', \''.enano_date('d M Y h:i a').'\', \'' . $paths->page_id . '\', \'' . $paths->namespace . '\', ' . ENANO_SQL_MULTISTRING_PRFIX . '\'' . $msg . '\', \'' . $uid . '\', \'' . $session->username . '\', \'' . $db->escape(htmlspecialchars($summary)) . '\', ' . $minor . ');';
if(!$db->sql_query($q)) $db->_die('The history (log) entry could not be inserted into the logs table.');
$q = 'UPDATE ' . table_prefix.'page_text SET page_text=' . ENANO_SQL_MULTISTRING_PRFIX . '\'' . $msg . '\',char_tag=\'' . $uid . '\' WHERE page_id=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\';';
$e = $db->sql_query($q);
if(!$e) $db->_die('Enano was unable to save the page contents. Your changes have been lost <tt>:\'(</tt>.');
$paths->rebuild_page_index($page_id, $namespace);
return 'good';
}
/**
* Creates a page, both in memory and in the database.
* @param string $page_id
* @param string $namespace
* @return bool true on success, false on failure
*/
public static function createPage($page_id, $namespace, $name = false, $visible = 1)
{
global $db, $session, $paths, $template, $plugins; // Common objects
if(in_array($namespace, Array('Special', 'Admin')))
{
// echo '<b>Notice:</b> PageUtils::createPage: You can\'t create a special page in the database<br />';
return 'You can\'t create a special page in the database';
}
if(!isset($paths->nslist[$namespace]))
{
// echo '<b>Notice:</b> PageUtils::createPage: Couldn\'t look up the namespace<br />';
return 'Couldn\'t look up the namespace';
}
$pname = $paths->nslist[$namespace] . $page_id;
if(isPage($pname))
{
// echo '<b>Notice:</b> PageUtils::createPage: Page already exists<br />';
return 'Page already exists';
}
if(!$session->get_permissions('create_page'))
{
// echo '<b>Notice:</b> PageUtils::createPage: Not authorized to create pages<br />';
return 'Not authorized to create pages';
}
if($session->user_level < USER_LEVEL_ADMIN && $namespace == 'System')
{
// echo '<b>Notice:</b> PageUtils::createPage: Not authorized to create system messages<br />';
return 'Not authorized to create system messages';
}
if ( substr($page_id, 0, 8) == 'Project:' )
{
// echo '<b>Notice:</b> PageUtils::createPage: Prefix "Project:" is reserved<br />';
return 'The prefix "Project:" is reserved for a parser shortcut; if a page was created using this prefix, it would not be possible to link to it.';
}
/*
// Dunno why this was here. Enano can handle more flexible names than this...
$regex = '#^([A-z0-9 _\-\.\/\!\@\(\)]*)$#is';
if(!preg_match($regex, $name))
{
//echo '<b>Notice:</b> PageUtils::createPage: Name contains invalid characters<br />';
return 'Name contains invalid characters';
}
*/
$page_id = dirtify_page_id($page_id);
if ( !$name )
$name = str_replace('_', ' ', $page_id);
$page_id = sanitize_page_id( $page_id );
$prot = ( $namespace == 'System' ) ? 1 : 0;
$ips = array(
'ip' => array(),
'u' => array()
);
$page_data = Array(
'name'=>$name,
'urlname'=>$page_id,
'namespace'=>$namespace,
'special'=>0,'visible'=>1,'comments_on'=>0,'protected'=>$prot,'delvotes'=>0,'delvote_ips'=>serialize($ips),'wiki_mode'=>2,
);
// die('PageUtils::createpage: Creating page with this data:<pre>' . print_r($page_data, true) . '</pre>');
$paths->add_page($page_data);
$qa = $db->sql_query('INSERT INTO ' . table_prefix.'pages(name,urlname,namespace,visible,protected,delvote_ips) VALUES(\'' . $db->escape($name) . '\', \'' . $db->escape($page_id) . '\', \'' . $namespace . '\', '. ( $visible ? '1' : '0' ) .', ' . $prot . ', \'' . $db->escape(serialize($ips)) . '\');');
$qb = $db->sql_query('INSERT INTO ' . table_prefix.'page_text(page_id,namespace) VALUES(\'' . $db->escape($page_id) . '\', \'' . $namespace . '\');');
$qc = $db->sql_query('INSERT INTO ' . table_prefix.'logs(time_id,date_string,log_type,action,author,page_id,namespace) VALUES('.time().', \''.enano_date('d M Y h:i a').'\', \'page\', \'create\', \'' . $session->username . '\', \'' . $db->escape($page_id) . '\', \'' . $namespace . '\');');
if($qa && $qb && $qc)
return 'good';
else
{
return $db->get_error();
}
}
/**
* Sets the protection level on a page.
* @param $page_id string the page ID
* @param $namespace string the namespace
* @param $level int level of protection - 0 is off, 1 is full, 2 is semi
* @param $reason string why the page is being (un)protected
* @return string - "good" on success, in all other cases, an error string (on query failure, calls $db->_die() )
*/
public static function protect($page_id, $namespace, $level, $reason)
{
global $db, $session, $paths, $template, $plugins; // Common objects
$pname = $paths->nslist[$namespace] . $page_id;
$wiki = ( ( $paths->pages[$pname]['wiki_mode'] == 2 && getConfig('wiki_mode') == '1') || $paths->pages[$pname]['wiki_mode'] == 1) ? true : false;
$prot = ( ( $paths->pages[$pname]['protected'] == 2 && $session->user_logged_in && $session->reg_time + 60*60*24*4 < time() ) || $paths->pages[$pname]['protected'] == 1) ? true : false;
if ( !$session->get_permissions('protect') )
{
return('Insufficient access rights');
}
if ( !$wiki )
{
return('Page protection only has an effect when Wiki Mode is enabled.');
}
if ( !preg_match('#^([0-9]+){1}$#', (string)$level) )
{
return('Invalid $level parameter.');
}
switch($level)
{
case 0:
$q = 'INSERT INTO ' . table_prefix.'logs(time_id,date_string,log_type,action,author,page_id,namespace,edit_summary) VALUES('.time().', \''.enano_date('d M Y h:i a').'\', \'page\', \'unprot\', \'' . $session->username . '\', \'' . $page_id . '\', \'' . $namespace . '\', \'' . $db->escape(htmlspecialchars($reason)) . '\');';
break;
case 1:
$q = 'INSERT INTO ' . table_prefix.'logs(time_id,date_string,log_type,action,author,page_id,namespace,edit_summary) VALUES('.time().', \''.enano_date('d M Y h:i a').'\', \'page\', \'prot\', \'' . $session->username . '\', \'' . $page_id . '\', \'' . $namespace . '\', \'' . $db->escape(htmlspecialchars($reason)) . '\');';
break;
case 2:
$q = 'INSERT INTO ' . table_prefix.'logs(time_id,date_string,log_type,action,author,page_id,namespace,edit_summary) VALUES('.time().', \''.enano_date('d M Y h:i a').'\', \'page\', \'semiprot\', \'' . $session->username . '\', \'' . $page_id . '\', \'' . $namespace . '\', \'' . $db->escape(htmlspecialchars($reason)) . '\');';
break;
default:
return 'PageUtils::protect(): Invalid value for $level';
break;
}
if(!$db->sql_query($q)) $db->_die('The log entry for the page protection could not be inserted.');
$q = $db->sql_query('UPDATE ' . table_prefix.'pages SET protected=' . $level . ' WHERE urlname=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\';');
if ( !$q )
{
$db->_die('The pages table was not updated.');
}
return('good');
}
/**
* Generates an HTML table with history information in it.
* @param string the page ID
* @param string the namespace
* @param string page password
* @return string
*/
public static function histlist($page_id, $namespace, $password = false)
{
global $db, $session, $paths, $template, $plugins; // Common objects
global $lang;
if(!$session->get_permissions('history_view'))
return 'Access denied';
ob_start();
$pname = $paths->nslist[$namespace] . $page_id;
if ( !isPage($pname) )
{
return 'DNE';
}
if ( isPage($pname['password']) )
{
$password_exists = ( !empty($paths->pages[$pname]['password']) && $paths->pages[$pname]['password'] !== sha1('') );
if ( $password_exists && $password !== $paths->pages[$pname]['password'] )
{
return '<p>' . $lang->get('history_err_wrong_password') . '</p>';
}
}
$wiki = ( ( $paths->pages[$pname]['wiki_mode'] == 2 && getConfig('wiki_mode') == '1') || $paths->pages[$pname]['wiki_mode'] == 1) ? true : false;
$prot = ( ( $paths->pages[$pname]['protected'] == 2 && $session->user_logged_in && $session->reg_time + 60*60*24*4 < time() ) || $paths->pages[$pname]['protected'] == 1) ? true : false;
$q = 'SELECT log_id,time_id,date_string,page_id,namespace,author,edit_summary,minor_edit FROM ' . table_prefix.'logs WHERE log_type=\'page\' AND action=\'edit\' AND page_id=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\' AND is_draft != 1 ORDER BY time_id DESC;';
if(!$db->sql_query($q)) $db->_die('The history data for the page "' . $paths->cpage['name'] . '" could not be selected.');
echo $lang->get('history_page_subtitle') . '
<h3>' . $lang->get('history_heading_edits') . '</h3>';
$numrows = $db->numrows();
if ( $numrows < 1 )
{
echo $lang->get('history_no_entries');
}
else
{
echo '<form action="'.makeUrlNS($namespace, $page_id, 'do=diff').'" onsubmit="ajaxHistDiff(); return false;" method="get">
<input type="submit" value="' . $lang->get('history_btn_compare') . '" />
' . ( urlSeparator == '&' ? '<input type="hidden" name="title" value="' . htmlspecialchars($paths->nslist[$namespace] . $page_id) . '" />' : '' ) . '
' . ( $session->sid_super ? '<input type="hidden" name="auth" value="' . $session->sid_super . '" />' : '') . '
<input type="hidden" name="do" value="diff" />
<br /><span> </span>
<div class="tblholder">
<table border="0" width="100%" cellspacing="1" cellpadding="4">
<tr>
<th colspan="2">' . $lang->get('history_col_diff') . '</th>
<th>' . $lang->get('history_col_datetime') . '</th>
<th>' . $lang->get('history_col_user') . '</th>
<th>' . $lang->get('history_col_summary') . '</th>
<th>' . $lang->get('history_col_minor') . '</th>
<th colspan="3">' . $lang->get('history_col_actions') . '</th>
</tr>'."\n"."\n";
$cls = 'row2';
$ticker = 0;
while ( $r = $db->fetchrow() )
{
$ticker++;
if($cls == 'row2') $cls = 'row1';
else $cls = 'row2';
echo '<tr>'."\n";
// Diff selection
if($ticker == 1)
{
$s1 = '';
$s2 = 'checked="checked" ';
}
elseif($ticker == 2)
{
$s1 = 'checked="checked" ';
$s2 = '';
}
else
{
$s1 = '';
$s2 = '';
}
if($ticker > 1) echo '<td class="' . $cls . '" style="padding: 0;"><input ' . $s1 . 'name="diff1" type="radio" value="' . $r['time_id'] . '" id="diff1_' . $r['time_id'] . '" class="clsDiff1Radio" onclick="selectDiff1Button(this);" /></td>'."\n"; else echo '<td class="' . $cls . '"></td>';
if($ticker < $numrows) echo '<td class="' . $cls . '" style="padding: 0;"><input ' . $s2 . 'name="diff2" type="radio" value="' . $r['time_id'] . '" id="diff2_' . $r['time_id'] . '" class="clsDiff2Radio" onclick="selectDiff2Button(this);" /></td>'."\n"; else echo '<td class="' . $cls . '"></td>';
// Date and time
echo '<td class="' . $cls . '" style="white-space: nowrap;">' . enano_date('d M Y h:i a', intval($r['time_id'])) . '</td class="' . $cls . '">'."\n";
// User
if ( $session->get_permissions('mod_misc') && is_valid_ip($r['author']) )
{
$rc = ' style="cursor: pointer;" title="' . $lang->get('history_tip_rdns') . '" onclick="ajaxReverseDNS(this, \'' . $r['author'] . '\');"';
}
else
{
$rc = '';
}
echo '<td class="' . $cls . '"' . $rc . '><a href="'.makeUrlNS('User', sanitize_page_id($r['author'])).'" ';
if ( !isPage($paths->nslist['User'] . sanitize_page_id($r['author'])) )
{
echo 'class="wikilink-nonexistent"';
}
echo '>' . $r['author'] . '</a></td class="' . $cls . '">'."\n";
// Edit summary
if ( $r['edit_summary'] == 'Automatic backup created when logs were purged' )
{
$r['edit_summary'] = $lang->get('history_summary_clearlogs');
}
echo '<td class="' . $cls . '">' . $r['edit_summary'] . '</td>'."\n";
// Minor edit
echo '<td class="' . $cls . '" style="text-align: center;">'. (( $r['minor_edit'] ) ? 'M' : '' ) .'</td>'."\n";
// Actions!
echo '<td class="' . $cls . '" style="text-align: center;"><a rel="nofollow" href="'.makeUrlNS($namespace, $page_id, 'oldid=' . $r['log_id']) . '" onclick="ajaxHistView(\'' . $r['log_id'] . '\'); return false;">' . $lang->get('history_action_view') . '</a></td>'."\n";
echo '<td class="' . $cls . '" style="text-align: center;"><a rel="nofollow" href="'.makeUrl($paths->nslist['Special'].'Contributions/' . $r['author']) . '">' . $lang->get('history_action_contrib') . '</a></td>'."\n";
echo '<td class="' . $cls . '" style="text-align: center;"><a rel="nofollow" href="'.makeUrlNS($namespace, $page_id, 'do=edit&revid=' . $r['log_id']) . '" onclick="ajaxEditor(\'' . $r['log_id'] . '\'); return false;">' . $lang->get('history_action_restore') . '</a></td>'."\n";
echo '</tr>'."\n"."\n";
}
echo '</table>
</div>
<br />
<input type="hidden" name="do" value="diff" />
<input type="submit" value="' . $lang->get('history_btn_compare') . '" />
</form>
<script type="text/javascript">if ( !KILL_SWITCH ) { buildDiffList(); }</script>';
}
$db->free_result();
echo '<h3>' . $lang->get('history_heading_other') . '</h3>';
$q = 'SELECT log_id,time_id,action,date_string,page_id,namespace,author,edit_summary,minor_edit FROM ' . table_prefix.'logs WHERE log_type=\'page\' AND action!=\'edit\' AND page_id=\'' . $paths->page_id . '\' AND namespace=\'' . $paths->namespace . '\' ORDER BY time_id DESC;';
if ( !$db->sql_query($q) )
{
$db->_die('The history data for the page "' . htmlspecialchars($paths->cpage['name']) . '" could not be selected.');
}
if ( $db->numrows() < 1 )
{
echo $lang->get('history_no_entries');
}
else
{
echo '<div class="tblholder">
<table border="0" width="100%" cellspacing="1" cellpadding="4"><tr>
<th>' . $lang->get('history_col_datetime') . '</th>
<th>' . $lang->get('history_col_user') . '</th>
<th>' . $lang->get('history_col_minor') . '</th>
<th>' . $lang->get('history_col_action_taken') . '</th>
<th>' . $lang->get('history_col_extra') . '</th>
<th colspan="2"></th>
</tr>';
$cls = 'row2';
while($r = $db->fetchrow()) {
if($cls == 'row2') $cls = 'row1';
else $cls = 'row2';
echo '<tr>';
// Date and time
echo '<td class="' . $cls . '">' . enano_date('d M Y h:i a', intval($r['time_id'])) . '</td class="' . $cls . '">';
// User
echo '<td class="' . $cls . '"><a href="'.makeUrlNS('User', sanitize_page_id($r['author'])).'" ';
if(!isPage($paths->nslist['User'] . sanitize_page_id($r['author']))) echo 'class="wikilink-nonexistent"';
echo '>' . $r['author'] . '</a></td class="' . $cls . '">';
// Minor edit
echo '<td class="' . $cls . '" style="text-align: center;">'. (( $r['minor_edit'] ) ? 'M' : '' ) .'</td>';
// Action taken
echo '<td class="' . $cls . '">';
// Some of these are sanitized at insert-time. Others follow the newer Enano policy of stripping HTML at runtime.
if ($r['action']=='prot') echo $lang->get('history_log_protect') . '</td><td class="' . $cls . '">' . $lang->get('history_extra_reason') . ' ' . ( $r['edit_summary'] === '__REVERSION__' ? $lang->get('history_extra_protection_reversion') : htmlspecialchars($r['edit_summary']) );
elseif($r['action']=='unprot') echo $lang->get('history_log_unprotect') . '</td><td class="' . $cls . '">' . $lang->get('history_extra_reason') . ' ' . ( $r['edit_summary'] === '__REVERSION__' ? $lang->get('history_extra_protection_reversion') : htmlspecialchars($r['edit_summary']) );
elseif($r['action']=='semiprot') echo $lang->get('history_log_semiprotect') . '</td><td class="' . $cls . '">' . $lang->get('history_extra_reason') . ' ' . ( $r['edit_summary'] === '__REVERSION__' ? $lang->get('history_extra_protection_reversion') : htmlspecialchars($r['edit_summary']) );
elseif($r['action']=='rename') echo $lang->get('history_log_rename') . '</td><td class="' . $cls . '">' . $lang->get('history_extra_oldtitle') . ' '.htmlspecialchars($r['edit_summary']);
elseif($r['action']=='create') echo $lang->get('history_log_create') . '</td><td class="' . $cls . '">';
elseif($r['action']=='delete') echo $lang->get('history_log_delete') . '</td><td class="' . $cls . '">' . $lang->get('history_extra_reason') . ' ' . $r['edit_summary'];
elseif($r['action']=='reupload') echo $lang->get('history_log_uploadnew') . '</td><td class="' . $cls . '">' . $lang->get('history_extra_reason') . ' ' . ( $r['edit_summary'] === '__ROLLBACK__' ? $lang->get('history_extra_upload_reversion') : htmlspecialchars($r['edit_summary']) );
echo '</td>';
// Actions!
echo '<td class="' . $cls . '" style="text-align: center;"><a rel="nofollow" href="'.makeUrl($paths->nslist['Special'].'Contributions/' . $r['author']) . '">' . $lang->get('history_action_contrib') . '</a></td>';
echo '<td class="' . $cls . '" style="text-align: center;"><a rel="nofollow" href="'.makeUrlNS($namespace, $page_id, 'do=rollback&id=' . $r['log_id']) . '" onclick="ajaxRollback(\'' . $r['log_id'] . '\'); return false;">' . $lang->get('history_action_revert') . '</a></td>';
echo '</tr>';
}
echo '</table></div>';
}
$db->free_result();
$ret = ob_get_contents();
ob_end_clean();
return $ret;
}
/**
* Rolls back a logged action
* @param $id the time ID, a.k.a. the primary key in the logs table
* @return string
*/
public static function rollback($id)
{
global $db, $session, $paths, $template, $plugins; // Common objects
global $lang;
// placeholder
return 'PageUtils->rollback() is deprecated - use PageProcessor instead.';
}
/**
* Posts a comment.
* @param $page_id the page ID
* @param $namespace the namespace
* @param $name the name of the person posting, defaults to current username/IP
* @param $subject the subject line of the comment
* @param $text the comment text
* @return string javascript code
*/
public static function addcomment($page_id, $namespace, $name, $subject, $text, $captcha_code = false, $captcha_id = false)
{
global $db, $session, $paths, $template, $plugins; // Common objects
$_ob = '';
if(!$session->get_permissions('post_comments'))
return 'Access denied';
if(getConfig('comments_need_login') == '2' && !$session->user_logged_in) _die('Access denied to post comments: you need to be logged in first.');
if(getConfig('comments_need_login') == '1' && !$session->user_logged_in)
{
if(!$captcha_code || !$captcha_id) _die('BUG: PageUtils::addcomment: no CAPTCHA data passed to method');
$result = $session->get_captcha($captcha_id);
if(strtolower($captcha_code) != strtolower($result)) _die('The confirmation code you entered was incorrect.');
}
$text = RenderMan::preprocess_text($text);
$name = $session->user_logged_in ? RenderMan::preprocess_text($session->username) : RenderMan::preprocess_text($name);
$subj = RenderMan::preprocess_text($subject);
if(getConfig('approve_comments', '0')=='1') $appr = '0'; else $appr = '1';
$q = 'INSERT INTO ' . table_prefix.'comments(page_id,namespace,subject,comment_data,name,user_id,approved,time) VALUES(\'' . $page_id . '\',\'' . $namespace . '\',\'' . $subj . '\',\'' . $text . '\',\'' . $name . '\',' . $session->user_id . ',' . $appr . ','.time().')';
$e = $db->sql_query($q);
if(!$e) die('alert(unescape(\''.rawurlencode('Error inserting comment data: '.$db->get_error().'\n\nQuery:\n' . $q) . '\'))');
else $_ob .= '<div class="info-box">Your comment has been posted.</div>';
return PageUtils::comments($page_id, $namespace, false, Array(), $_ob);
}
/**
* Generates partly-compiled HTML/Javascript code to be eval'ed by the user's browser to display comments
* @param $page_id the page ID
* @param $namespace the namespace
* @param $action administrative action to perform, default is false
* @param $flags additional info for $action, shouldn't be used except when deleting/approving comments, etc.
* @param $_ob text to prepend to output, used by PageUtils::addcomment
* @return array
* @access private
*/
public static function comments_raw($page_id, $namespace, $action = false, $flags = Array(), $_ob = '')
{
global $db, $session, $paths, $template, $plugins; // Common objects
global $lang;
$pname = $paths->nslist[$namespace] . $page_id;
ob_start();
if($action && $session->get_permissions('mod_comments')) // Nip hacking attempts in the bud
{
switch($action) {
case "delete":
if(isset($flags['id']))
{
$q = 'DELETE FROM ' . table_prefix.'comments WHERE page_id=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\' AND comment_id='.intval($flags['id']).' LIMIT 1;';
} else {
$n = $db->escape($flags['name']);
$s = $db->escape($flags['subj']);
$t = $db->escape($flags['text']);
$q = 'DELETE FROM ' . table_prefix.'comments WHERE page_id=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\' AND name=\'' . $n . '\' AND subject=\'' . $s . '\' AND comment_data=\'' . $t . '\' LIMIT 1;';
}
$e=$db->sql_query($q);
if(!$e) die('alert(unesape(\''.rawurlencode('Error during query: '.$db->get_error().'\n\nQuery:\n' . $q) . '\'));');
break;
case "approve":
if(isset($flags['id']))
{
$where = 'comment_id='.intval($flags['id']);
} else {
$n = $db->escape($flags['name']);
$s = $db->escape($flags['subj']);
$t = $db->escape($flags['text']);
$where = 'name=\'' . $n . '\' AND subject=\'' . $s . '\' AND comment_data=\'' . $t . '\'';
}
$q = 'SELECT approved FROM ' . table_prefix.'comments WHERE page_id=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\' AND ' . $where . ' LIMIT 1;';
$e = $db->sql_query($q);
if(!$e) die('alert(unesape(\''.rawurlencode('Error selecting approval status: '.$db->get_error().'\n\nQuery:\n' . $q) . '\'));');
$r = $db->fetchrow();
$db->free_result();
$a = ( $r['approved'] ) ? '0' : '1';
$q = 'UPDATE ' . table_prefix.'comments SET approved=' . $a . ' WHERE page_id=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\' AND ' . $where . ';';
$e=$db->sql_query($q);
if(!$e) die('alert(unesape(\''.rawurlencode('Error during query: '.$db->get_error().'\n\nQuery:\n' . $q) . '\'));');
if($a=='1') $v = $lang->get('comment_btn_mod_unapprove');
else $v = $lang->get('comment_btn_mod_approve');
echo 'document.getElementById("mdgApproveLink'.intval($_GET['id']).'").innerHTML="' . $v . '";';
break;
}
}
if(!defined('ENANO_TEMPLATE_LOADED'))
{
$template->load_theme($session->theme, $session->style);
}
$tpl = $template->makeParser('comment.tpl');
$e = $db->sql_query('SELECT * FROM ' . table_prefix.'comments WHERE page_id=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\' AND approved=0;');
if(!$e) $db->_die('The comment text data could not be selected.');
$num_unapp = $db->numrows();
$db->free_result();
$e = $db->sql_query('SELECT * FROM ' . table_prefix.'comments WHERE page_id=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\' AND approved=1;');
if(!$e) $db->_die('The comment text data could not be selected.');
$num_app = $db->numrows();
$db->free_result();
$lq = $db->sql_query('SELECT c.comment_id,c.subject,c.name,c.comment_data,c.approved,c.time,c.user_id,c.ip_address,u.user_level,u.email,u.signature,u.user_has_avatar,u.avatar_type
FROM ' . table_prefix.'comments AS c
LEFT JOIN ' . table_prefix.'users AS u
ON c.user_id=u.user_id
WHERE page_id=\'' . $page_id . '\'
AND namespace=\'' . $namespace . '\' ORDER BY c.time ASC;');
if(!$lq) _die('The comment text data could not be selected. '.$db->get_error());
$_ob .= '<h3>' . $lang->get('comment_heading') . '</h3>';
$n = ( $session->get_permissions('mod_comments')) ? $db->numrows() : $num_app;
$subst = array(
'num_comments' => $n,
'page_type' => $template->namespace_string
);
$_ob .= '<p>';
$_ob .= ( $n == 0 ) ? $lang->get('comment_msg_count_zero', $subst) : ( $n == 1 ? $lang->get('comment_msg_count_one', $subst) : $lang->get('comment_msg_count_plural', $subst) );
if ( $session->get_permissions('mod_comments') && $num_unapp > 0 )
{
$_ob .= ' <span style="color: #D84308">' . $lang->get('comment_msg_count_unapp_mod', array( 'num_unapp' => $num_unapp )) . '</span>';
}
else if ( !$session->get_permissions('mod_comments') && $num_unapp > 0 )
{
$ls = ( $num_unapp == 1 ) ? 'comment_msg_count_unapp_one' : 'comment_msg_count_unapp_plural';
$_ob .= ' <span>' . $lang->get($ls, array( 'num_unapp' => $num_unapp )) . '</span>';
}
$_ob .= '</p>';
$list = 'list = { ';
// _die(htmlspecialchars($ttext));
$i = -1;
while ( $row = $db->fetchrow($lq) )
{
$i++;
$strings = Array();
$bool = Array();
if ( $session->get_permissions('mod_comments') || $row['approved'] == COMMENT_APPROVED )
{
$list .= $i . ' : { \'comment\' : unescape(\''.rawurlencode($row['comment_data']).'\'), \'name\' : unescape(\''.rawurlencode($row['name']).'\'), \'subject\' : unescape(\''.rawurlencode($row['subject']).'\'), }, ';
// Comment ID (used in the Javascript apps)
$strings['ID'] = (string)$i;
// Determine the name, and whether to link to the user page or not
$name = '';
if($row['user_id'] > 1) $name .= '<a href="'.makeUrlNS('User', sanitize_page_id(' ', '_', $row['name'])).'">';
$name .= $row['name'];
if($row['user_id'] > 1) $name .= '</a>';
$strings['NAME'] = $name; unset($name);
// Subject
$s = $row['subject'];
if(!$row['approved']) $s .= ' <span style="color: #D84308">' . $lang->get('comment_msg_note_unapp') . '</span>';
$strings['SUBJECT'] = $s;
// Date and time
$strings['DATETIME'] = enano_date('F d, Y h:i a', $row['time']);
// User level
switch($row['user_level'])
{
default:
case USER_LEVEL_GUEST:
$l = $lang->get('user_type_guest');
break;
case USER_LEVEL_MEMBER:
case USER_LEVEL_CHPREF:
$l = $lang->get('user_type_member');
break;
case USER_LEVEL_MOD:
$l = $lang->get('user_type_mod');
break;
case USER_LEVEL_ADMIN:
$l = $lang->get('user_type_admin');
break;
}
$strings['USER_LEVEL'] = $l; unset($l);
// The actual comment data
$strings['DATA'] = RenderMan::render($row['comment_data']);
if($session->get_permissions('edit_comments'))
{
// Edit link
$strings['EDIT_LINK'] = '<a href="'.makeUrlNS($namespace, $page_id, 'do=comments&sub=editcomment&id=' . $row['comment_id']) . '" id="editbtn_' . $i . '">' . $lang->get('comment_btn_edit') . '</a>';
// Delete link
$strings['DELETE_LINK'] = '<a href="'.makeUrlNS($namespace, $page_id, 'do=comments&sub=deletecomment&id=' . $row['comment_id']) . '">' . $lang->get('comment_btn_delete') . '</a>';
}
else
{
// Edit link
$strings['EDIT_LINK'] = '';
// Delete link
$strings['DELETE_LINK'] = '';
}
// Send PM link
$strings['SEND_PM_LINK'] = ( $session->user_logged_in && $row['user_id'] > 1 ) ? '<a href="'.makeUrlNS('Special', 'PrivateMessages/Compose/To/' . $row['name']) . '">' . $lang->get('comment_btn_send_privmsg') . '</a><br />' : '';
// Add Buddy link
$strings['ADD_BUDDY_LINK'] = ( $session->user_logged_in && $row['user_id'] > 1 ) ? '<a href="'.makeUrlNS('Special', 'PrivateMessages/FriendList/Add/' . $row['name']) . '">' . $lang->get('comment_btn_add_buddy') . '</a>' : '';
// Mod links
$applink = '';
$applink .= '<a href="'.makeUrlNS($namespace, $page_id, 'do=comments&sub=admin&action=approve&id=' . $row['comment_id']) . '" id="mdgApproveLink' . $i . '">';
if($row['approved']) $applink .= $lang->get('comment_btn_mod_unapprove');
else $applink .= $lang->get('comment_btn_mod_approve');
$applink .= '</a>';
$strings['MOD_APPROVE_LINK'] = $applink; unset($applink);
$strings['MOD_DELETE_LINK'] = '<a href="'.makeUrlNS($namespace, $page_id, 'do=comments&sub=admin&action=delete&id=' . $row['comment_id']) . '">' . $lang->get('comment_btn_mod_delete') . '</a>';
$strings['MOD_IP_LINK'] = '<span style="opacity: 0.5; filter: alpha(opacity=50);">' . ( ( empty($row['ip_address']) ) ? $lang->get('comment_btn_mod_ip_missing') : $lang->get('comment_btn_mod_ip_notimplemented') ) . '</span>';
// Signature
$strings['SIGNATURE'] = '';
if($row['signature'] != '') $strings['SIGNATURE'] = RenderMan::render($row['signature']);
// Avatar
if ( $row['user_has_avatar'] == 1 )
{
$bool['user_has_avatar'] = true;
$strings['AVATAR_ALT'] = $lang->get('usercp_avatar_image_alt', array('username' => $row['name']));
$strings['AVATAR_URL'] = make_avatar_url(intval($row['user_id']), $row['avatar_type'], $row['email']);
$strings['USERPAGE_LINK'] = makeUrlNS('User', $row['name']);
}
$bool['auth_mod'] = ($session->get_permissions('mod_comments')) ? true : false;
$bool['can_edit'] = ( ( $session->user_logged_in && $row['name'] == $session->username && $session->get_permissions('edit_comments') ) || $session->get_permissions('mod_comments') ) ? true : false;
$bool['signature'] = ( $strings['SIGNATURE'] == '' ) ? false : true;
// Done processing and compiling, now let's cook it into HTML
$tpl->assign_vars($strings);
$tpl->assign_bool($bool);
$_ob .= $tpl->run();
}
}
if(getConfig('comments_need_login') != '2' || $session->user_logged_in)
{
if($session->get_permissions('post_comments'))
{
$_ob .= '<h3>' . $lang->get('comment_postform_title') . '</h3>';
$_ob .= $lang->get('comment_postform_blurb');
if(getConfig('approve_comments', '0')=='1') $_ob .= ' ' . $lang->get('comment_postform_blurb_unapp');
if(getConfig('comments_need_login') == '1' && !$session->user_logged_in)
{
$_ob .= ' ' . $lang->get('comment_postform_blurb_captcha');
}
$sn = $session->user_logged_in ? $session->username . '<input name="name" id="mdgScreenName" type="hidden" value="' . $session->username . '" />' : '<input name="name" id="mdgScreenName" type="text" size="35" />';
$_ob .= ' <a href="#" id="mdgCommentFormLink" style="display: none;" onclick="document.getElementById(\'mdgCommentForm\').style.display=\'block\';this.style.display=\'none\';return false;">' . $lang->get('comment_postform_blurb_link') . '</a>
<div id="mdgCommentForm">
<form action="'.makeUrlNS($namespace, $page_id, 'do=comments&sub=postcomment').'" method="post" style="margin-left: 1em">
<table border="0">
<tr><td>' . $lang->get('comment_postform_field_name') . '</td><td>' . $sn . '</td></tr>
<tr><td>' . $lang->get('comment_postform_field_subject') . '</td><td><input name="subj" id="mdgSubject" type="text" size="35" /></td></tr>';
if(getConfig('comments_need_login') == '1' && !$session->user_logged_in)
{
$session->kill_captcha();
$captcha = $session->make_captcha();
$_ob .= '<tr><td>' . $lang->get('comment_postform_field_captcha_title') . '<br /><small>' . $lang->get('comment_postform_field_captcha_blurb') . '</small></td><td><img src="'.makeUrlNS('Special', 'Captcha/' . $captcha) . '" alt="Visual confirmation" style="cursor: pointer;" onclick="this.src = \''.makeUrlNS("Special", "Captcha/".$captcha).'/\'+Math.floor(Math.random() * 100000);" /><input name="captcha_id" id="mdgCaptchaID" type="hidden" value="' . $captcha . '" /><br />' . $lang->get('comment_postform_field_captcha_label') . ' <input name="captcha_input" id="mdgCaptchaInput" type="text" size="10" /><br /><small><script type="text/javascript">document.write("' . $lang->get('comment_postform_field_captcha_cantread_js') . '");</script><noscript>' . $lang->get('comment_postform_field_captcha_cantread_nojs') . '</noscript></small></td></tr>';
}
$_ob .= '
<tr><td valign="top">' . $lang->get('comment_postform_field_comment') . '</td><td><textarea name="text" id="mdgCommentArea" rows="10" cols="40"></textarea></td></tr>
<tr><td colspan="2" style="text-align: center;"><input type="submit" value="' . $lang->get('comment_postform_btn_submit') . '" /></td></tr>
</table>
</form>
</div>';
}
} else {
$_ob .= '<h3>Got something to say?</h3><p>You need to be logged in to post comments. <a href="'.makeUrlNS('Special', 'Login/' . $pname . '%2523comments').'">Log in</a></p>';
}
$list .= '};';
echo 'document.getElementById(\'ajaxEditContainer\').innerHTML = unescape(\''. rawurlencode($_ob) .'\');
' . $list;
echo 'Fat.fade_all(); document.getElementById(\'mdgCommentForm\').style.display = \'none\'; document.getElementById(\'mdgCommentFormLink\').style.display="inline";';
$ret = ob_get_contents();
ob_end_clean();
return Array($ret, $_ob);
}
/**
* Generates ready-to-execute Javascript code to be eval'ed by the user's browser to display comments
* @param $page_id the page ID
* @param $namespace the namespace
* @param $action administrative action to perform, default is false
* @param $flags additional info for $action, shouldn't be used except when deleting/approving comments, etc.
* @param $_ob text to prepend to output, used by PageUtils::addcomment
* @return string
*/
public static function comments($page_id, $namespace, $action = false, $id = -1, $_ob = '')
{
global $db, $session, $paths, $template, $plugins; // Common objects
$r = PageUtils::comments_raw($page_id, $namespace, $action, $id, $_ob);
return $r[0];
}
/**
* Generates HTML code for comments - used in browser compatibility mode
* @param $page_id the page ID
* @param $namespace the namespace
* @param $action administrative action to perform, default is false
* @param $flags additional info for $action, shouldn't be used except when deleting/approving comments, etc.
* @param $_ob text to prepend to output, used by PageUtils::addcomment
* @return string
*/
public static function comments_html($page_id, $namespace, $action = false, $id = -1, $_ob = '')
{
global $db, $session, $paths, $template, $plugins; // Common objects
$r = PageUtils::comments_raw($page_id, $namespace, $action, $id, $_ob);
return $r[1];
}
/**
* Updates comment data.
* @param $page_id the page ID
* @param $namespace the namespace
* @param $subject new subject
* @param $text new text
* @param $old_subject the old subject, unprocessed and identical to the value in the DB
* @param $old_text the old text, unprocessed and identical to the value in the DB
* @param $id the javascript list ID, used internally by the client-side app
* @return string
*/
public static function savecomment($page_id, $namespace, $subject, $text, $old_subject, $old_text, $id = -1)
{
global $db, $session, $paths, $template, $plugins; // Common objects
if(!$session->get_permissions('edit_comments'))
return 'result="BAD";error="Access denied"';
// Avoid SQL injection
$old_text = $db->escape($old_text);
$old_subject = $db->escape($old_subject);
// Safety check - username/login
if(!$session->get_permissions('mod_comments')) // allow mods to edit comments
{
if(!$session->user_logged_in) _die('AJAX comment save safety check failed because you are not logged in. Sometimes this can happen because you are using a browser that does not send cookies as part of AJAX requests.<br /><br />Please log in and try again.');
$q = 'SELECT c.name FROM ' . table_prefix.'comments c, ' . table_prefix.'users u WHERE comment_data=\'' . $old_text . '\' AND subject=\'' . $old_subject . '\' AND page_id=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\' AND u.user_id=c.user_id;';
$s = $db->sql_query($q);
if(!$s) _die('SQL error during safety check: '.$db->get_error().'<br /><br />Attempted SQL:<br /><pre>'.htmlspecialchars($q).'</pre>');
$r = $db->fetchrow($s);
$db->free_result();
if($db->numrows() < 1 || $r['name'] != $session->username) _die('Safety check failed, probably due to a hacking attempt.');
}
$s = RenderMan::preprocess_text($subject);
$t = RenderMan::preprocess_text($text);
$sql = 'UPDATE ' . table_prefix.'comments SET subject=\'' . $s . '\',comment_data=\'' . $t . '\' WHERE comment_data=\'' . $old_text . '\' AND subject=\'' . $old_subject . '\' AND page_id=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\'';
$result = $db->sql_query($sql);
if($result)
{
return 'result="GOOD";
list[' . $id . '][\'subject\'] = unescape(\''.str_replace('%5Cn', '%0A', rawurlencode(str_replace('{{EnAnO:Newline}}', '\\n', stripslashes(str_replace('\\n', '{{EnAnO:Newline}}', $s))))).'\');
list[' . $id . '][\'comment\'] = unescape(\''.str_replace('%5Cn', '%0A', rawurlencode(str_replace('{{EnAnO:Newline}}', '\\n', stripslashes(str_replace('\\n', '{{EnAnO:Newline}}', $t))))).'\'); id = ' . $id . ';
s = unescape(\''.rawurlencode($s).'\');
t = unescape(\''.str_replace('%5Cn', '<br \\/>', rawurlencode(RenderMan::render(str_replace('{{EnAnO:Newline}}', "\n", stripslashes(str_replace('\\n', '{{EnAnO:Newline}}', $t)))))).'\');';
}
else
{
return 'result="BAD"; error=unescape("'.rawurlencode('Enano encountered a problem whilst saving the comment.
Performed SQL:
' . $sql . '
Error returned by MySQL: '.$db->get_error()).'");';
}
}
/**
* Updates comment data using the comment_id column instead of the old, messy way
* @param $page_id the page ID
* @param $namespace the namespace
* @param $subject new subject
* @param $text new text
* @param $id the comment ID (primary key in enano_comments table)
* @return string
*/
public static function savecomment_neater($page_id, $namespace, $subject, $text, $id)
{
global $db, $session, $paths, $template, $plugins; // Common objects
if(!is_int($id)) die('PageUtils::savecomment: $id is not an integer, aborting for safety');
if(!$session->get_permissions('edit_comments'))
return 'Access denied';
// Safety check - username/login
if(!$session->get_permissions('mod_comments')) // allow mods to edit comments
{
if(!$session->user_logged_in) _die('AJAX comment save safety check failed because you are not logged in. Sometimes this can happen because you are using a browser that does not send cookies as part of AJAX requests.<br /><br />Please log in and try again.');
$q = 'SELECT c.name FROM ' . table_prefix.'comments c, ' . table_prefix.'users u WHERE comment_id=' . $id . ' AND page_id=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\' AND u.user_id=c.user_id;';
$s = $db->sql_query($q);
if(!$s) _die('SQL error during safety check: '.$db->get_error().'<br /><br />Attempted SQL:<br /><pre>'.htmlspecialchars($q).'</pre>');
$r = $db->fetchrow($s);
if($db->numrows() < 1 || $r['name'] != $session->username) _die('Safety check failed, probably due to a hacking attempt.');
$db->free_result();
}
$s = RenderMan::preprocess_text($subject);
$t = RenderMan::preprocess_text($text);
$sql = 'UPDATE ' . table_prefix.'comments SET subject=\'' . $s . '\',comment_data=\'' . $t . '\' WHERE comment_id=' . $id . ' AND page_id=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\'';
$result = $db->sql_query($sql);
if($result)
return 'good';
else return 'Enano encountered a problem whilst saving the comment.
Performed SQL:
' . $sql . '
Error returned by MySQL: '.$db->get_error();
}
/**
* Deletes a comment.
* @param $page_id the page ID
* @param $namespace the namespace
* @param $name the name the user posted under
* @param $subj the subject of the comment to be deleted
* @param $text the text of the comment to be deleted
* @param $id the javascript list ID, used internally by the client-side app
* @return string
*/
public static function deletecomment($page_id, $namespace, $name, $subj, $text, $id)
{
global $db, $session, $paths, $template, $plugins; // Common objects
if(!$session->get_permissions('edit_comments'))
return 'alert("Access to delete/edit comments is denied");';
if(!preg_match('#^([0-9]+)$#', (string)$id)) die('$_GET[id] is improperly formed.');
$n = $db->escape($name);
$s = $db->escape($subj);
$t = $db->escape($text);
// Safety check - username/login
if(!$session->get_permissions('mod_comments')) // allows mods to delete comments
{
if(!$session->user_logged_in) _die('AJAX comment save safety check failed because you are not logged in. Sometimes this can happen because you are using a browser that does not send cookies as part of AJAX requests.<br /><br />Please log in and try again.');
$q = 'SELECT c.name FROM ' . table_prefix.'comments c, ' . table_prefix.'users u WHERE comment_data=\'' . $t . '\' AND subject=\'' . $s . '\' AND page_id=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\' AND u.user_id=c.user_id;';
$s = $db->sql_query($q);
if(!$s) _die('SQL error during safety check: '.$db->get_error().'<br /><br />Attempted SQL:<br /><pre>'.htmlspecialchars($q).'</pre>');
$r = $db->fetchrow($s);
if($db->numrows() < 1 || $r['name'] != $session->username) _die('Safety check failed, probably due to a hacking attempt.');
$db->free_result();
}
$q = 'DELETE FROM ' . table_prefix.'comments WHERE page_id=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\' AND name=\'' . $n . '\' AND subject=\'' . $s . '\' AND comment_data=\'' . $t . '\' LIMIT 1;';
$e=$db->sql_query($q);
if(!$e) return('alert(unesape(\''.rawurlencode('Error during query: '.$db->get_error().'\n\nQuery:\n' . $q) . '\'));');
return('good');
}
/**
* Deletes a comment in a cleaner fashion.
* @param $page_id the page ID
* @param $namespace the namespace
* @param $id the comment ID (primary key)
* @return string
*/
public static function deletecomment_neater($page_id, $namespace, $id)
{
global $db, $session, $paths, $template, $plugins; // Common objects
if(!preg_match('#^([0-9]+)$#', (string)$id)) die('$_GET[id] is improperly formed.');
if(!$session->get_permissions('edit_comments'))
return 'alert("Access to delete/edit comments is denied");';
// Safety check - username/login
if(!$session->get_permissions('mod_comments')) // allows mods to delete comments
{
if(!$session->user_logged_in) _die('AJAX comment save safety check failed because you are not logged in. Sometimes this can happen because you are using a browser that does not send cookies as part of AJAX requests.<br /><br />Please log in and try again.');
$q = 'SELECT c.name FROM ' . table_prefix.'comments c, ' . table_prefix.'users u WHERE comment_id=' . $id . ' AND page_id=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\' AND u.user_id=c.user_id;';
$s = $db->sql_query($q);
if(!$s) _die('SQL error during safety check: '.$db->get_error().'<br /><br />Attempted SQL:<br /><pre>'.htmlspecialchars($q).'</pre>');
$r = $db->fetchrow($s);
if($db->numrows() < 1 || $r['name'] != $session->username) _die('Safety check failed, probably due to a hacking attempt.');
$db->free_result();
}
$q = 'DELETE FROM ' . table_prefix.'comments WHERE page_id=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\' AND comment_id=' . $id . ' LIMIT 1;';
$e=$db->sql_query($q);
if(!$e) return('alert(unesape(\''.rawurlencode('Error during query: '.$db->get_error().'\n\nQuery:\n' . $q) . '\'));');
return('good');
}
/**
* Renames a page.
* @param $page_id the page ID
* @param $namespace the namespace
* @param $name the new name for the page
* @return string error string or success message
*/
public static function rename($page_id, $namespace, $name)
{
global $db, $session, $paths, $template, $plugins; // Common objects
global $lang;
$pname = $paths->nslist[$namespace] . $page_id;
$prot = ( ( $paths->pages[$pname]['protected'] == 2 && $session->user_logged_in && $session->reg_time + 60*60*24*4 < time() ) || $paths->pages[$pname]['protected'] == 1) ? true : false;
$wiki = ( ( $paths->pages[$pname]['wiki_mode'] == 2 && getConfig('wiki_mode') == '1') || $paths->pages[$pname]['wiki_mode'] == 1) ? true : false;
if( empty($name))
{
return($lang->get('ajax_rename_too_short'));
}
if( ( $session->get_permissions('rename') && ( ( $prot && $session->get_permissions('even_when_protected') ) || !$prot ) ) && ( $paths->namespace != 'Special' && $paths->namespace != 'Admin' ))
{
$e = $db->sql_query('INSERT INTO ' . table_prefix.'logs(time_id,date_string,log_type,action,page_id,namespace,author,edit_summary) VALUES('.time().', \''.enano_date('d M Y h:i a').'\', \'page\', \'rename\', \'' . $db->escape($paths->page_id) . '\', \'' . $paths->namespace . '\', \'' . $db->escape($session->username) . '\', \'' . $db->escape($paths->cpage['name']) . '\')');
if ( !$e )
{
$db->_die('The page title could not be updated.');
}
$e = $db->sql_query('UPDATE ' . table_prefix.'pages SET name=\'' . $db->escape($name) . '\' WHERE urlname=\'' . $db->escape($page_id) . '\' AND namespace=\'' . $db->escape($namespace) . '\';');
if ( !$e )
{
$db->_die('The page title could not be updated.');
}
else
{
$subst = array(
'page_name_old' => $paths->pages[$pname]['name'],
'page_name_new' => $name
);
return $lang->get('ajax_rename_success', $subst);
}
}
else
{
return($lang->get('etc_access_denied'));
}
}
/**
* Flushes (clears) the action logs for a given page
* @param $page_id the page ID
* @param $namespace the namespace
* @return string error/success string
*/
public static function flushlogs($page_id, $namespace)
{
global $db, $session, $paths, $template, $plugins; // Common objects
global $lang;
if ( !is_object($lang) && defined('IN_ENANO_INSTALL') )
{
// This is a special exception for the Enano installer, which doesn't init languages yet.
$lang = new Language('eng');
}
if(!$session->get_permissions('clear_logs') && !defined('IN_ENANO_INSTALL'))
{
return $lang->get('etc_access_denied');
}
$e = $db->sql_query('DELETE FROM ' . table_prefix.'logs WHERE page_id=\'' . $db->escape($page_id) . '\' AND namespace=\'' . $db->escape($namespace) . '\';');
if(!$e) $db->_die('The log entries could not be deleted.');
// If the page exists, make a backup of it in case it gets spammed/vandalized
// If not, the admin's probably deleting a trash page
if ( isset($paths->pages[ $paths->nslist[$namespace] . $page_id ]) )
{
$e = $db->sql_query('SELECT page_text,char_tag FROM ' . table_prefix.'page_text WHERE page_id=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\';');
if(!$e) $db->_die('The current page text could not be selected; as a result, creating the backup of the page failed. Please make a backup copy of the page by clicking Edit this page and then clicking Save Changes.');
$row = $db->fetchrow();
$db->free_result();
$minor_edit = ( ENANO_DBLAYER == 'MYSQL' ) ? 'false' : '0';
$q='INSERT INTO ' . table_prefix.'logs(log_type,action,time_id,date_string,page_id,namespace,page_text,char_tag,author,edit_summary,minor_edit) VALUES(\'page\', \'edit\', '.time().', \''.enano_date('d M Y h:i a').'\', \'' . $page_id . '\', \'' . $namespace . '\', \'' . $db->escape($row['page_text']) . '\', \'' . $row['char_tag'] . '\', \'' . $session->username . '\', \''."Automatic backup created when logs were purged".'\', '.$minor_edit.');';
if(!$db->sql_query($q)) $db->_die('The history (log) entry could not be inserted into the logs table.');
}
return $lang->get('ajax_clearlogs_success');
}
/**
* Deletes a page.
* @param string $page_id the condemned page ID
* @param string $namespace the condemned namespace
* @param string The reason for deleting the page in question
* @return string
*/
public static function deletepage($page_id, $namespace, $reason)
{
global $db, $session, $paths, $template, $plugins; // Common objects
global $lang;
global $cache;
$perms = $session->fetch_page_acl($page_id, $namespace);
$x = trim($reason);
if ( empty($x) )
{
return $lang->get('ajax_delete_need_reason');
}
if(!$perms->get_permissions('delete_page')) return('Administrative privileges are required to delete pages, you loser.');
$e = $db->sql_query('INSERT INTO ' . table_prefix.'logs(time_id,date_string,log_type,action,page_id,namespace,author,edit_summary) VALUES('.time().', \''.enano_date('d M Y h:i a').'\', \'page\', \'delete\', \'' . $page_id . '\', \'' . $namespace . '\', \'' . $session->username . '\', \'' . $db->escape(htmlspecialchars($reason)) . '\')');
if(!$e) $db->_die('The page log entry could not be inserted.');
$e = $db->sql_query('DELETE FROM ' . table_prefix.'categories WHERE page_id=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\'');
if(!$e) $db->_die('The page categorization entries could not be deleted.');
$e = $db->sql_query('DELETE FROM ' . table_prefix.'comments WHERE page_id=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\'');
if(!$e) $db->_die('The page comments could not be deleted.');
$e = $db->sql_query('DELETE FROM ' . table_prefix.'page_text WHERE page_id=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\'');
if(!$e) $db->_die('The page text entry could not be deleted.');
$e = $db->sql_query('DELETE FROM ' . table_prefix.'pages WHERE urlname=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\'');
if(!$e) $db->_die('The page entry could not be deleted.');
if ( $namespace == 'File' )
{
$e = $db->sql_query('DELETE FROM ' . table_prefix.'files WHERE page_id=\'' . $page_id . '\'');
if(!$e) $db->_die('The file entry could not be deleted.');
}
$cache->purge('page_meta');
return $lang->get('ajax_delete_success');
}
/**
* Increments the deletion votes for a page by 1, and adds the current username/IP to the list of users that have voted for the page to prevent dual-voting
* @param $page_id the page ID
* @param $namespace the namespace
* @return string
*/
public static function delvote($page_id, $namespace)
{
global $db, $session, $paths, $template, $plugins; // Common objects
global $lang;
global $cache;
if ( !$session->get_permissions('vote_delete') )
{
return $lang->get('etc_access_denied');
}
if ( $namespace == 'Admin' || $namespace == 'Special' || $namespace == 'System' )
{
return 'Special pages and system messages can\'t be voted for deletion.';
}
$pname = $paths->nslist[$namespace] . sanitize_page_id($page_id);
if ( !isPage($pname) )
{
return 'The page does not exist.';
}
$cv =& $paths->pages[$pname]['delvotes'];
$ips = $paths->pages[$pname]['delvote_ips'];
if ( empty($ips) )
{
$ips = array(
'ip' => array(),
'u' => array()
);
}
else
{
$ips = @unserialize($ips);
if ( !$ips )
{
$ips = array(
'ip' => array(),
'u' => array()
);
}
}
if ( in_array($session->username, $ips['u']) || in_array($_SERVER['REMOTE_ADDR'], $ips['ip']) )
{
return $lang->get('ajax_delvote_already_voted');
}
$ips['u'][] = $session->username;
$ips['ip'][] = $_SERVER['REMOTE_ADDR'];
$ips = $db->escape( serialize($ips) );
$cv++;
$q = 'UPDATE ' . table_prefix.'pages SET delvotes=' . $cv . ',delvote_ips=\'' . $ips . '\' WHERE urlname=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\'';
$w = $db->sql_query($q);
if ( !$w )
$db->_die();
// all done, flush page cache to mark it up
$cache->purge('page_meta');
return $lang->get('ajax_delvote_success');
}
/**
* Resets the number of votes against a page to 0.
* @param $page_id the page ID
* @param $namespace the namespace
* @return string
*/
public static function resetdelvotes($page_id, $namespace)
{
global $db, $session, $paths, $template, $plugins; // Common objects
global $lang;
global $cache;
if(!$session->get_permissions('vote_reset'))
{
return $lang->get('etc_access_denied');
}
$q = 'UPDATE ' . table_prefix.'pages SET delvotes=0,delvote_ips=\'' . $db->escape(serialize(array('ip'=>array(),'u'=>array()))) . '\' WHERE urlname=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\'';
$e = $db->sql_query($q);
if ( !$e )
{
$db->_die('The number of delete votes was not reset.');
}
else
{
$cache->purge('page_meta');
return $lang->get('ajax_delvote_reset_success');
}
}
/**
* Gets a list of styles for a given theme name. As of Banshee, this returns JSON.
* @param $id the name of the directory for the theme
* @return string JSON string with an array containing a list of themes
*/
public static function getstyles()
{
if ( !preg_match('/^([a-z0-9_-]+)$/', $_GET['id']) )
return enano_json_encode(false);
$dir = './themes/' . $_GET['id'] . '/css/';
$list = Array();
// Open a known directory, and proceed to read its contents
if (is_dir($dir)) {
if ($dh = opendir($dir)) {
while (($file = readdir($dh)) !== false) {
if ( preg_match('#^(.*?)\.css$#is', $file) && $file != '_printable.css' ) // _printable.css should be included with every theme
{ // it should be a copy of the original style, but
// mostly black and white
// Note to self: document this
$list[] = substr($file, 0, strlen($file)-4);
}
}
closedir($dh);
}
}
else
{
return(enano_json_encode(Array('mode' => 'error', 'error' => $dir.' is not a dir')));
}
return enano_json_encode($list);
}
/**
* Assembles a Javascript app with category information
* @param $page_id the page ID
* @param $namespace the namespace
* @return string Javascript code
*/
public static function catedit($page_id, $namespace)
{
$d = PageUtils::catedit_raw($page_id, $namespace);
return $d[0] . ' /* BEGIN CONTENT */ document.getElementById("ajaxEditContainer").innerHTML = unescape(\''.rawurlencode($d[1]).'\');';
}
/**
* Does the actual HTML/javascript generation for cat editing, but returns an array
* @access private
*/
public static function catedit_raw($page_id, $namespace)
{
global $db, $session, $paths, $template, $plugins; // Common objects
global $lang;
ob_start();
$_ob = '';
$e = $db->sql_query('SELECT category_id FROM ' . table_prefix.'categories WHERE page_id=\'' . $paths->page_id . '\' AND namespace=\'' . $paths->namespace . '\'');
if(!$e) jsdie('Error selecting category information for current page: '.$db->get_error());
$cat_current = Array();
while($r = $db->fetchrow())
{
$cat_current[] = $r;
}
$db->free_result();
$cat_all = Array();
foreach ( $paths->pages as $i => $_ )
{
if($paths->pages[$i]['namespace']=='Category') $cat_all[] = $paths->pages[$i];
}
// Make $cat_all an associative array, like $paths->pages
$sz = sizeof($cat_all);
for($i=0;$i<$sz;$i++)
{
$cat_all[$cat_all[$i]['urlname_nons']] = $cat_all[$i];
}
// Now, the "zipper" function - join the list of categories with the list of cats that this page is a part of
$cat_info = $cat_all;
for($i=0;$i<sizeof($cat_current);$i++)
{
$un = $cat_current[$i]['category_id'];
$cat_info[$un]['member'] = true;
}
// Now copy the information we just set into the numerically named keys
for($i=0;$i<sizeof($cat_info)/2;$i++)
{
$un = $cat_info[$i]['urlname_nons'];
$cat_info[$i] = $cat_info[$un];
}
echo 'catlist = new Array();'; // Initialize the client-side category list
$_ob .= '<h3>' . $lang->get('catedit_title') . '</h3>
<form name="mdgCatForm" action="'.makeUrlNS($namespace, $page_id, 'do=catedit').'" method="post">';
if ( sizeof($cat_info) < 1 )
{
$_ob .= '<p>' . $lang->get('catedit_no_categories') . '</p>';
}
for ( $i = 0; $i < sizeof($cat_info) / 2; $i++ )
{
// Protection code added 1/3/07
// Updated 3/4/07
$is_prot = false;
$perms = $session->fetch_page_acl($cat_info[$i]['urlname_nons'], 'Category');
if ( !$session->get_permissions('edit_cat') || !$perms->get_permissions('edit_cat') ||
( $cat_info[$i]['really_protected'] && !$perms->get_permissions('even_when_protected') ) )
$is_prot = true;
$prot = ( $is_prot ) ? ' disabled="disabled" ' : '';
$prottext = ( $is_prot ) ? ' <img alt="(protected)" width="16" height="16" src="'.scriptPath.'/images/lock16.png" />' : '';
echo 'catlist[' . $i . '] = \'' . $cat_info[$i]['urlname_nons'] . '\';';
$_ob .= '<span class="catCheck"><input ' . $prot . ' name="' . $cat_info[$i]['urlname_nons'] . '" id="mdgCat_' . $cat_info[$i]['urlname_nons'] . '" type="checkbox"';
if(isset($cat_info[$i]['member'])) $_ob .= ' checked="checked"';
$_ob .= '/> <label for="mdgCat_' . $cat_info[$i]['urlname_nons'] . '">' . $cat_info[$i]['name'].$prottext.'</label></span><br />';
}
$disabled = ( sizeof($cat_info) < 1 ) ? 'disabled="disabled"' : '';
$_ob .= '<div style="border-top: 1px solid #CCC; padding-top: 5px; margin-top: 10px;"><input name="__enanoSaveButton" ' . $disabled . ' style="font-weight: bold;" type="submit" onclick="ajaxCatSave(); return false;" value="' . $lang->get('etc_save_changes') . '" /> <input name="__enanoCatCancel" type="submit" onclick="ajaxReset(); return false;" value="' . $lang->get('etc_cancel') . '" /></div></form>';
$cont = ob_get_contents();
ob_end_clean();
return Array($cont, $_ob);
}
/**
* Saves category information
* WARNING: If $which_cats is empty, all the category information for the selected page will be nuked!
* @param $page_id string the page ID
* @param $namespace string the namespace
* @param $which_cats array associative array of categories to put the page in
* @return string "GOOD" on success, error string on failure
*/
public static function catsave($page_id, $namespace, $which_cats)
{
global $db, $session, $paths, $template, $plugins; // Common objects
if(!$session->get_permissions('edit_cat')) return('Insufficient privileges to change category information');
$page_perms = $session->fetch_page_acl($page_id, $namespace);
$page_data =& $paths->pages[$paths->nslist[$namespace].$page_id];
$cat_all = Array();
foreach ( $paths->pages as $i => $_ )
{
if($paths->pages[$i]['namespace']=='Category') $cat_all[] = $paths->pages[$i];
}
// Make $cat_all an associative array, like $paths->pages
$sz = sizeof($cat_all);
for($i=0;$i<$sz;$i++)
{
$cat_all[$cat_all[$i]['urlname_nons']] = $cat_all[$i];
}
$rowlist = Array();
for($i=0;$i<sizeof($cat_all)/2;$i++)
{
$auth = true;
$perms = $session->fetch_page_acl($cat_all[$i]['urlname_nons'], 'Category');
if ( !$session->get_permissions('edit_cat') || !$perms->get_permissions('edit_cat') ||
( $cat_all[$i]['really_protected'] && !$perms->get_permissions('even_when_protected') ) ||
( !$page_perms->get_permissions('even_when_protected') && $page_data['protected'] == '1' ) )
$auth = false;
if(!$auth)
{
// Find out if the page is currently in the category
$q = $db->sql_query('SELECT * FROM ' . table_prefix.'categories WHERE page_id=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\';');
if(!$q)
return 'MySQL error: ' . $db->get_error();
if($db->numrows() > 0)
{
$auth = true;
$which_cats[$cat_all[$i]['urlname_nons']] = true; // Force the category to stay in its current state
}
$db->free_result();
}
if(isset($which_cats[$cat_all[$i]['urlname_nons']]) && $which_cats[$cat_all[$i]['urlname_nons']] == true /* for clarity ;-) */ && $auth ) $rowlist[] = '(\'' . $page_id . '\', \'' . $namespace . '\', \'' . $cat_all[$i]['urlname_nons'] . '\')';
}
if(sizeof($rowlist) > 0)
{
$val = implode(',', $rowlist);
$q = 'INSERT INTO ' . table_prefix.'categories(page_id,namespace,category_id) VALUES' . $val . ';';
$e = $db->sql_query('DELETE FROM ' . table_prefix.'categories WHERE page_id=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\';');
if(!$e) $db->_die('The old category data could not be deleted.');
$e = $db->sql_query($q);
if(!$e) $db->_die('The new category data could not be inserted.');
return('GOOD');
}
else
{
$e = $db->sql_query('DELETE FROM ' . table_prefix.'categories WHERE page_id=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\';');
if(!$e) $db->_die('The old category data could not be deleted.');
return('GOOD');
}
}
/**
* Sets the wiki mode level for a page.
* @param $page_id string the page ID
* @param $namespace string the namespace
* @param $level int 0 for off, 1 for on, 2 for use global setting
* @return string "GOOD" on success, error string on failure
*/
public static function setwikimode($page_id, $namespace, $level)
{
global $db, $session, $paths, $template, $plugins; // Common objects
if(!$session->get_permissions('set_wiki_mode')) return('Insufficient access rights');
if ( !isset($level) || ( isset($level) && !preg_match('#^([0-2]){1}$#', (string)$level) ) )
{
return('Invalid mode string');
}
$q = $db->sql_query('UPDATE ' . table_prefix.'pages SET wiki_mode=' . $level . ' WHERE urlname=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\';');
if ( !$q )
{
return('Error during update query: '.$db->get_error()."\n\nSQL Backtrace:\n".$db->sql_backtrace());
}
return('GOOD');
}
/**
* Sets the access password for a page.
* @param $page_id string the page ID
* @param $namespace string the namespace
* @param $pass string the SHA1 hash of the password - if the password doesn't match the regex ^([0-9a-f]*){40,40}$ it will be sha1'ed
* @return string
*/
public static function setpass($page_id, $namespace, $pass)
{
global $db, $session, $paths, $template, $plugins; // Common objects
global $lang, $cache;
// Determine permissions
if($paths->pages[$paths->nslist[$namespace].$page_id]['password'] != '')
$a = $session->get_permissions('password_reset');
else
$a = $session->get_permissions('password_set');
if(!$a)
return $lang->get('etc_access_denied');
if(!isset($pass)) return('Password was not set on URL');
$p = $pass;
if ( !preg_match('#([0-9a-f]){40,40}#', $p) )
{
$p = sha1($p);
}
if ( $p == 'da39a3ee5e6b4b0d3255bfef95601890afd80709' )
// sha1('') = da39a3ee5e6b4b0d3255bfef95601890afd80709
$p = '';
$e = $db->sql_query('UPDATE ' . table_prefix.'pages SET password=\'' . $p . '\' WHERE urlname=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\';');
if ( !$e )
{
die('PageUtils::setpass(): Error during update query: '.$db->get_error()."\n\nSQL Backtrace:\n".$db->sql_backtrace());
}
$cache->purge('page_meta');
// Is the new password blank?
if ( $p == '' )
{
return $lang->get('ajax_password_disable_success');
}
else
{
return $lang->get('ajax_password_success');
}
}
/**
* Generates some preview HTML
* @param $text string the wikitext to use
* @return string
*/
public static function genPreview($text)
{
global $lang;
$ret = '<div class="info-box">' . $lang->get('editor_preview_blurb') . '</div><div style="background-color: #F8F8F8; padding: 10px; border: 1px dashed #406080; max-height: 250px; overflow: auto; margin: 10px 0;">';
$text = RenderMan::render(RenderMan::preprocess_text($text, false, false));
ob_start();
eval('?>' . $text);
$text = ob_get_contents();
ob_end_clean();
$ret .= $text;
$ret .= '</div>';
return $ret;
}
/**
* Makes a scrollable box
* @param string $text the inner HTML
* @param int $height Optional - the maximum height. Defaults to 250.
* @return string
*/
public static function scrollBox($text, $height = 250)
{
return '<div style="background-color: #F8F8F8; padding: 10px; border: 1px dashed #406080; max-height: '.(string)intval($height).'px; overflow: auto; margin: 1em 0 1em 1em;">' . $text . '</div>';
}
/**
* Generates a diff summary between two page revisions.
* @param $page_id the page ID
* @param $namespace the namespace
* @param $id1 the time ID of the first revision
* @param $id2 the time ID of the second revision
* @return string XHTML-formatted diff
*/
public static function pagediff($page_id, $namespace, $id1, $id2)
{
global $db, $session, $paths, $template, $plugins; // Common objects
global $lang;
if(!$session->get_permissions('history_view'))
return $lang->get('etc_access_denied');
if(!preg_match('#^([0-9]+)$#', (string)$id1) ||
!preg_match('#^([0-9]+)$#', (string)$id2 )) return 'SQL injection attempt';
// OK we made it through security
// Safest way to make sure we don't end up with the revisions in wrong columns is to make 2 queries
if(!$q1 = $db->sql_query('SELECT page_text,char_tag,author,edit_summary FROM ' . table_prefix.'logs WHERE time_id=' . $id1 . ' AND log_type=\'page\' AND action=\'edit\' AND page_id=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\';')) return 'MySQL error: '.$db->get_error();
if(!$q2 = $db->sql_query('SELECT page_text,char_tag,author,edit_summary FROM ' . table_prefix.'logs WHERE time_id=' . $id2 . ' AND log_type=\'page\' AND action=\'edit\' AND page_id=\'' . $page_id . '\' AND namespace=\'' . $namespace . '\';')) return 'MySQL error: '.$db->get_error();
$row1 = $db->fetchrow($q1);
$db->free_result($q1);
$row2 = $db->fetchrow($q2);
$db->free_result($q2);
if(sizeof($row1) < 1 || sizeof($row2) < 2) return 'Couldn\'t find any rows that matched the query. The time ID probably doesn\'t exist in the logs table.';
$text1 = $row1['page_text'];
$text2 = $row2['page_text'];
$time1 = enano_date('F d, Y h:i a', $id1);
$time2 = enano_date('F d, Y h:i a', $id2);
$_ob = "
<p>" . $lang->get('history_lbl_comparingrevisions') . " {$time1} → {$time2}</p>
";
// Free some memory
unset($row1, $row2, $q1, $q2);
$_ob .= RenderMan::diff($text1, $text2);
return $_ob;
}
/**
* Gets ACL information about the selected page for target type X and target ID Y.
* @param array $parms What to select. This is an array purely for JSON compatibility. It should be an associative array with keys target_type and target_id.
* @return array
*/
public static function acl_editor($parms = Array())
{
global $db, $session, $paths, $template, $plugins; // Common objects
global $lang;
if(!$session->get_permissions('edit_acl') && ( $session->user_level < USER_LEVEL_ADMIN || !defined('ACL_ALWAYS_ALLOW_ADMIN_EDIT_ACL')) )
{
return Array(
'mode' => 'error',
'error' => $lang->get('acl_err_access_denied')
);
}
$parms['page_id'] = ( isset($parms['page_id']) ) ? $parms['page_id'] : false;
$parms['namespace'] = ( isset($parms['namespace']) ) ? $parms['namespace'] : false;
$page_id =& $parms['page_id'];
$namespace =& $parms['namespace'];
$page_where_clause = ( empty($page_id) || empty($namespace) ) ? 'AND a.page_id IS NULL AND a.namespace IS NULL' : 'AND a.page_id=\'' . $db->escape($page_id) . '\' AND a.namespace=\'' . $db->escape($namespace) . '\'';
$page_where_clause_lite = ( empty($page_id) || empty($namespace) ) ? 'AND page_id IS NULL AND namespace IS NULL' : 'AND page_id=\'' . $db->escape($page_id) . '\' AND namespace=\'' . $db->escape($namespace) . '\'';
//die(print_r($page_id,true));
$template->load_theme();
// $perms_obj = $session->fetch_page_acl($page_id, $namespace);
$perms_obj =& $session;
$return = Array();
if ( !file_exists(ENANO_ROOT . '/themes/' . $session->theme . '/acledit.tpl') )
{
return Array(
'mode' => 'error',
'error' => $lang->get('acl_err_missing_template'),
);
}
$return['template'] = $template->extract_vars('acledit.tpl');
$return['page_id'] = $page_id;
$return['namespace'] = $namespace;
if(isset($parms['mode']))
{
switch($parms['mode'])
{
case 'listgroups':
$return['groups'] = Array();
$q = $db->sql_query('SELECT group_id,group_name FROM ' . table_prefix.'groups ORDER BY group_name ASC;');
while($row = $db->fetchrow())
{
$return['groups'][] = Array(
'id' => $row['group_id'],
'name' => $row['group_name'],
);
}
$db->free_result();
$return['page_groups'] = Array();
$q = $db->sql_query('SELECT pg_id,pg_name FROM ' . table_prefix.'page_groups ORDER BY pg_name ASC;');
if ( !$q )
return Array(
'mode' => 'error',
'error' => $db->get_error()
);
while ( $row = $db->fetchrow() )
{
$return['page_groups'][] = Array(
'id' => $row['pg_id'],
'name' => $row['pg_name']
);
}
break;
case 'seltarget_id':
if ( !is_int($parms['target_id']) )
{
return Array(
'mode' => 'error',
'error' => 'Expected parameter target_id type int'
);
}
$q = $db->sql_query('SELECT target_id, target_type, page_id, namespace, rules FROM ' . table_prefix . "acl WHERE rule_id = {$parms['target_id']};");
if ( !$q )
return Array(
'mode' => 'error',
'error' => $db->get_error()
);
if ( $db->numrows() < 1 )
return Array(
'mode' => 'error',
'error' => "No rule with ID {$parms['target_id']} found"
);
$parms = $db->fetchrow();
$db->free_result();
// regenerate page selection
$parms['page_id'] = ( isset($parms['page_id']) ) ? $parms['page_id'] : false;
$parms['namespace'] = ( isset($parms['namespace']) ) ? $parms['namespace'] : false;
$parms['mode'] = 'seltarget_id';
$page_id =& $parms['page_id'];
$namespace =& $parms['namespace'];
$page_where_clause = ( empty($page_id) || empty($namespace) ) ? 'AND a.page_id IS NULL AND a.namespace IS NULL' : 'AND a.page_id=\'' . $db->escape($page_id) . '\' AND a.namespace=\'' . $db->escape($namespace) . '\'';
$page_where_clause_lite = ( empty($page_id) || empty($namespace) ) ? 'AND page_id IS NULL AND namespace IS NULL' : 'AND page_id=\'' . $db->escape($page_id) . '\' AND namespace=\'' . $db->escape($namespace) . '\'';
$return['page_id'] = $parms['page_id'];
$return['namespace'] = $parms['namespace'];
// From here, let the seltarget handler take over
case 'seltarget':
$return['mode'] = 'seltarget';
$return['acl_types'] = $perms_obj->acl_types;
$return['acl_deps'] = $perms_obj->acl_deps;
$return['acl_descs'] = $perms_obj->acl_descs;
$return['target_type'] = $parms['target_type'];
$return['target_id'] = $parms['target_id'];
switch($parms['target_type'])
{
case ACL_TYPE_USER:
$user_col = ( $parms['mode'] == 'seltarget_id' ) ? 'user_id' : 'username';
$q = $db->sql_query('SELECT a.rules,u.user_id,u.username FROM ' . table_prefix.'users AS u
LEFT JOIN ' . table_prefix.'acl AS a
ON a.target_id=u.user_id
WHERE a.target_type='.ACL_TYPE_USER.'
AND u.' . $user_col . ' = \'' . $db->escape($parms['target_id']) . '\'
' . $page_where_clause . ';');
if(!$q)
return(Array('mode'=>'error','error'=>$db->get_error()));
if($db->numrows() < 1)
{
$return['type'] = 'new';
$q = $db->sql_query('SELECT user_id,username FROM ' . table_prefix.'users WHERE username=\'' . $db->escape($parms['target_id']) . '\';');
if(!$q)
return(Array('mode'=>'error','error'=>$db->get_error()));
if($db->numrows() < 1)
return Array('mode'=>'error','error'=>$lang->get('acl_err_user_not_found'),'debug' => $db->sql_backtrace());
$row = $db->fetchrow();
$return['target_name'] = $row['username'];
$return['target_id'] = intval($row['user_id']);
$return['current_perms'] = array();
}
else
{
$return['type'] = 'edit';
$row = $db->fetchrow();
$return['target_name'] = $row['username'];
$return['target_id'] = intval($row['user_id']);
$return['current_perms'] = $session->string_to_perm($row['rules']);
}
$db->free_result();
// Eliminate types that don't apply to this namespace
if ( $namespace && $namespace != '__PageGroup' )
{
foreach ( $return['current_perms'] AS $i => $perm )
{
if ( ( $page_id != null && $namespace != null ) && ( !in_array ( $namespace, $session->acl_scope[$i] ) && !in_array('All', $session->acl_scope[$i]) ) )
{
// echo "// SCOPE CONTROL: eliminating: $i\n";
unset($return['current_perms'][$i]);
unset($return['acl_types'][$i]);
unset($return['acl_descs'][$i]);
unset($return['acl_deps'][$i]);
}
}
}
break;
case ACL_TYPE_GROUP:
$q = $db->sql_query('SELECT a.rules,g.group_name,g.group_id FROM ' . table_prefix.'groups AS g
LEFT JOIN ' . table_prefix.'acl AS a
ON a.target_id=g.group_id
WHERE a.target_type='.ACL_TYPE_GROUP.'
AND g.group_id=\''.intval($parms['target_id']).'\'
' . $page_where_clause . ';');
if(!$q)
return(Array('mode'=>'error','error'=>$db->get_error()));
if($db->numrows() < 1)
{
$return['type'] = 'new';
$q = $db->sql_query('SELECT group_id,group_name FROM ' . table_prefix.'groups WHERE group_id=\''.intval($parms['target_id']).'\';');
if(!$q)
return(Array('mode'=>'error','error'=>$db->get_error()));
if($db->numrows() < 1)
return Array('mode'=>'error','error'=>$lang->get('acl_err_bad_group_id'));
$row = $db->fetchrow();
$return['target_name'] = $row['group_name'];
$return['target_id'] = intval($row['group_id']);
$return['current_perms'] = array();
}
else
{
$return['type'] = 'edit';
$row = $db->fetchrow();
$return['target_name'] = $row['group_name'];
$return['target_id'] = intval($row['group_id']);
$return['current_perms'] = $session->string_to_perm($row['rules']);
}
$db->free_result();
// Eliminate types that don't apply to this namespace
if ( $namespace && $namespace != '__PageGroup' )
{
foreach ( $return['current_perms'] AS $i => $perm )
{
if ( ( $page_id != false && $namespace != false ) && ( !in_array ( $namespace, $session->acl_scope[$i] ) && !in_array('All', $session->acl_scope[$i]) ) )
{
// echo "// SCOPE CONTROL: eliminating: $i\n"; //; ".print_r($namespace,true).":".print_r($page_id,true)."\n";
unset($return['current_perms'][$i]);
unset($return['acl_types'][$i]);
unset($return['acl_descs'][$i]);
unset($return['acl_deps'][$i]);
}
}
}
//return Array('mode'=>'debug','text'=>print_r($return, true));
break;
default:
return Array('mode'=>'error','error','Invalid ACL type ID');
break;
}
return $return;
break;
case 'save_new':
case 'save_edit':
if ( defined('ENANO_DEMO_MODE') )
{
return Array('mode'=>'error','error'=>$lang->get('acl_err_demo'));
}
$q = $db->sql_query('DELETE FROM ' . table_prefix.'acl WHERE target_type='.intval($parms['target_type']).' AND target_id='.intval($parms['target_id']).'
' . $page_where_clause_lite . ';');
if(!$q)
return Array('mode'=>'error','error'=>$db->get_error());
if ( sizeof ( $parms['perms'] ) < 1 )
{
// As of 1.1.x, this returns success because the rule length is zero if the user selected "inherit" in all columns
return Array(
'mode' => 'success',
'target_type' => $parms['target_type'],
'target_id' => $parms['target_id'],
'target_name' => $parms['target_name'],
'page_id' => $page_id,
'namespace' => $namespace,
);
}
$rules = $session->perm_to_string($parms['perms']);
$q = ($page_id && $namespace) ? 'INSERT INTO ' . table_prefix.'acl ( target_type, target_id, page_id, namespace, rules )
VALUES( '.intval($parms['target_type']).', '.intval($parms['target_id']).', \'' . $db->escape($page_id) . '\', \'' . $db->escape($namespace) . '\', \'' . $db->escape($rules) . '\' )' :
'INSERT INTO ' . table_prefix.'acl ( target_type, target_id, rules )
VALUES( '.intval($parms['target_type']).', '.intval($parms['target_id']).', \'' . $db->escape($rules) . '\' )';
if(!$db->sql_query($q)) return Array('mode'=>'error','error'=>$db->get_error());
return Array(
'mode' => 'success',
'target_type' => $parms['target_type'],
'target_id' => $parms['target_id'],
'target_name' => $parms['target_name'],
'page_id' => $page_id,
'namespace' => $namespace,
);
break;
case 'delete':
if ( defined('ENANO_DEMO_MODE') )
{
return Array('mode'=>'error','error'=>$lang->get('acl_err_demo'));
}
$sql = 'DELETE FROM ' . table_prefix.'acl WHERE target_type='.intval($parms['target_type']).' AND target_id='.intval($parms['target_id']).'
' . $page_where_clause_lite . ';';
$q = $db->sql_query($sql);
if(!$q)
return Array('mode'=>'error','error'=>$db->get_error());
return Array(
'mode' => 'delete',
'target_type' => $parms['target_type'],
'target_id' => $parms['target_id'],
'target_name' => $parms['target_name'],
'page_id' => $page_id,
'namespace' => $namespace,
);
break;
case 'list_existing':
$return = array(
'mode' => 'list_existing',
'key' => acl_list_draw_key(),
'rules' => array()
);
$q = $db->sql_query("SELECT a.rule_id, u.username, g.group_name, a.target_type, a.target_id, a.page_id, a.namespace, a.rules, p.pg_name\n"
. " FROM " . table_prefix . "acl AS a\n"
. " LEFT JOIN " . table_prefix . "users AS u\n"
. " ON ( (a.target_type = " . ACL_TYPE_USER . " AND a.target_id = u.user_id) OR (u.user_id IS NULL) )\n"
. " LEFT JOIN " . table_prefix . "groups AS g\n"
. " ON ( (a.target_type = " . ACL_TYPE_GROUP . " AND a.target_id = g.group_id) OR (g.group_id IS NULL) )\n"
. " LEFT JOIN " . table_prefix . "page_groups as p\n"
. " ON ( (a.namespace = '__PageGroup' AND a.page_id = p.pg_id) OR (p.pg_id IS NULL) )\n"
. " WHERE ( a.target_type = " . ACL_TYPE_USER . " OR a.target_type = " . ACL_TYPE_GROUP . " )\n"
. " GROUP BY a.rule_id\n"
. " ORDER BY a.target_type ASC, a.rule_id ASC;"
);
if ( !$q )
$db->_die();
while ( $row = $db->fetchrow($q) )
{
if ( $row['target_type'] == ACL_TYPE_USER && empty($row['username']) )
{
// This is only done if we have an ACL affecting a user that doesn't exist.
// Nice little bit of maintenance to have.
if ( !$db->sql_query("DELETE FROM " . table_prefix . "acl WHERE rule_id = {$row['rule_id']};") )
$db->_die();
continue;
}
$score = get_acl_rule_score($row['rules']);
$deep_limit = ACL_SCALE_MINIMAL_SHADE;
// Determine background color of cell by score
if ( $score > 5 )
{
// high score, show in green
$color = 2.5 * $score;
if ( $color > 255 )
$color = 255;
$color = round($color);
// blend with the colordepth limit
$color = $deep_limit + ( ( 0xFF - $deep_limit ) - ( ( $color / 0xFF ) * ( 0xFF - $deep_limit ) ) );
$color = dechex($color);
$color = "{$color}ff{$color}";
}
else if ( $score < -5 )
{
// low score, show in red
$color = 0 - $score;
$color = 2.5 * $color;
if ( $color > 255 )
$color = 255;
$color = round($color);
// blend with the colordepth limit
$color = $deep_limit + ( ( 0xFF - $deep_limit ) - ( ( $color / 0xFF ) * ( 0xFF - $deep_limit ) ) );
$color = dechex($color);
$color = "ff{$color}{$color}";
}
else
{
$color = 'efefef';
}
// Rate rule textually based on its score
if ( $score >= 70 )
$desc = $lang->get('acl_msg_scale_allow');
else if ( $score >= 50 )
$desc = $lang->get('acl_msg_scale_mostly_allow');
else if ( $score >= 25 )
$desc = $lang->get('acl_msg_scale_some_allow');
else if ( $score >= -25 )
$desc = $lang->get('acl_msg_scale_mixed');
else if ( $score <= -70 )
$desc = $lang->get('acl_msg_scale_deny');
else if ( $score <= -50 )
$desc = $lang->get('acl_msg_scale_mostly_deny');
else if ( $score <= -25 )
$desc = $lang->get('acl_msg_scale_some_deny');
// group and user target info
$info = '';
if ( $row['target_type'] == ACL_TYPE_USER )
$info = $lang->get('acl_msg_list_user', array( 'username' => $row['username'] )); // "(User: {$row['username']})";
else if ( $row['target_type'] == ACL_TYPE_GROUP )
$info = $lang->get('acl_msg_list_group', array( 'group' => $row['group_name'] ));
// affected pages info
if ( $row['page_id'] && $row['namespace'] && $row['namespace'] != '__PageGroup' )
$info .= $lang->get('acl_msg_list_on_page', array( 'page_name' => "{$row['namespace']}:{$row['page_id']}" ));
else if ( $row['page_id'] && $row['namespace'] && $row['namespace'] == '__PageGroup' )
$info .= $lang->get('acl_msg_list_on_page_group', array( 'page_group' => $row['pg_name'] ));
else
$info .= $lang->get('acl_msg_list_entire_site');
$score_string = $lang->get('acl_msg_list_score', array
(
'score' => $score,
'desc' => $desc,
'info' => $info
));
$return['rules'][] = array(
'score_string' => $score_string,
'rule_id' => $row['rule_id'],
'color' => $color
);
}
break;
case 'list_presets':
$presets = array();
$q = $db->sql_query('SELECT page_id AS preset_name, rule_id, rules FROM ' . table_prefix . "acl WHERE target_type = " . ACL_TYPE_PRESET . ";");
if ( !$q )
$db->die_json();
while ( $row = $db->fetchrow() )
{
$row['rules'] = $session->string_to_perm($row['rules']);
$presets[] = $row;
}
return array(
'mode' => 'list_existing',
'presets' => $presets
);
break;
case 'save_preset':
if ( empty($parms['preset_name']) )
{
return array(
'mode' => 'error',
'error' => $lang->get('acl_err_preset_name_empty')
);
}
$preset_name = $db->escape($parms['preset_name']);
$q = $db->sql_query('DELETE FROM ' . table_prefix . "acl WHERE target_type = " . ACL_TYPE_PRESET . " AND page_id = '$preset_name';");
if ( !$q )
$db->die_json();
$perms = $session->perm_to_string($parms['perms']);
if ( !$perms )
{
return array(
'mode' => 'error',
'error' => $lang->get('acl_err_preset_is_blank')
);
}
$perms = $db->escape($perms);
$q = $db->sql_query('INSERT INTO ' . table_prefix . "acl(page_id, target_type, rules) VALUES\n"
. " ( '$preset_name', " . ACL_TYPE_PRESET . ", '$perms' );");
if ( !$q )
$db->die_json();
return array(
'mode' => 'success'
);
break;
case 'trace':
list($targetpid, $targetns) = RenderMan::strToPageID($parms['page']);
try
{
$perms = $session->fetch_page_acl_user($parms['user'], $targetpid, $targetns);
$perm_table = array(
AUTH_ALLOW => 'acl_lbl_field_allow',
AUTH_WIKIMODE => 'acl_lbl_field_wikimode',
AUTH_DISALLOW => 'acl_lbl_field_disallow',
AUTH_DENY => 'acl_lbl_field_deny'
);
$return = array(
'mode' => 'trace',
'perms' => array()
);
foreach ( $perms->perm_resolve_table as $perm_type => $lookup_data )
{
if ( !$session->check_acl_scope($perm_type, $targetns) )
continue;
$src_l10n = $lang->get($session->acl_inherit_lang_table[$lookup_data['src']], $lookup_data);
$divclass = preg_replace('/^acl_inherit_/', '', $session->acl_inherit_lang_table[$lookup_data['src']]);
$perm_string = $lang->get($perm_table[$perms->perms[$perm_type]]);
$perm_name = $lang->get($session->acl_descs[$perm_type]);
$return['perms'][$perm_type] = array(
'divclass' => "acl_inherit acl_$divclass",
'perm_type' => $perm_type,
'perm_name' => $perm_name,
'perm_value' => $perm_string,
'perm_src' => $src_l10n,
'rule_id' => intval($lookup_data['rule_id']),
'bad_deps' => $perms->acl_check_deps($perm_type, true)
);
}
// group rules if possible
$return['groups'] = array();
foreach ( $return['perms'] as $rule )
{
if ( !isset($return['groups'][$rule['rule_id']]) )
{
$return['groups'][$rule['rule_id']] = array();
}
$return['groups'][$rule['rule_id']][] = $rule['perm_type'];
}
}
catch ( Exception $e )
{
$return = array(
'mode' => 'error',
'error' => $e->getMessage()
);
}
break;
default:
return Array('mode'=>'error','error'=>'Hacking attempt');
break;
}
}
return $return;
}
/**
* Same as PageUtils::acl_editor(), but the parms are a JSON string instead of an array. This also returns a JSON string.
* @param string $parms Same as PageUtils::acl_editor/$parms, but should be a valid JSON string.
* @return string
*/
public static function acl_json($parms = '{ }')
{
global $db, $session, $paths, $template, $plugins; // Common objects
try
{
$parms = enano_json_decode($parms);
}
catch ( Zend_Json_Exception $e )
{
$parms = array();
}
$ret = PageUtils::acl_editor($parms);
$ret = enano_json_encode($ret);
return $ret;
}
/**
* A non-Javascript frontend for the ACL API.
* @param array The request data, if any, this should be in the format required by PageUtils::acl_editor()
*/
public static function aclmanager($parms)
{
global $db, $session, $paths, $template, $plugins; // Common objects
global $lang;
ob_start();
// Convenience
$formstart = '<form
action="' . makeUrl($paths->page, 'do=aclmanager', true) . '"
method="post" enctype="multipart/form-data"
onsubmit="if(!submitAuthorized) return false;"
>';
$formend = '</form>';
$parms = PageUtils::acl_preprocess($parms);
$response = PageUtils::acl_editor($parms);
$response = PageUtils::acl_postprocess($response);
//die('<pre>' . htmlspecialchars(print_r($response, true)) . '</pre>');
switch($response['mode'])
{
case 'debug':
echo '<pre>' . htmlspecialchars($response['text']) . '</pre>';
break;
case 'stage1':
echo '<h3>' . $lang->get('acl_lbl_welcome_title') . '</h3>
<p>' . $lang->get('acl_lbl_welcome_body') . '</p>';
echo $formstart;
echo '<p><label><input type="radio" name="data[target_type]" value="' . ACL_TYPE_GROUP . '" checked="checked" /> ' . $lang->get('acl_radio_usergroup') . '</label></p>
<p><select name="data[target_id_grp]">';
foreach ( $response['groups'] as $group )
{
echo '<option value="' . $group['id'] . '">' . $group['name'] . '</option>';
}
// page group selector
$groupsel = '';
if ( count($response['page_groups']) > 0 )
{
$groupsel = '<p><label><input type="radio" name="data[scope]" value="page_group" /> ' . $lang->get('acl_radio_scope_pagegroup') . '</label></p>
<p><select name="data[pg_id]">';
foreach ( $response['page_groups'] as $grp )
{
$groupsel .= '<option value="' . $grp['id'] . '">' . htmlspecialchars($grp['name']) . '</option>';
}
$groupsel .= '</select></p>';
}
echo '</select></p>
<p><label><input type="radio" name="data[target_type]" value="' . ACL_TYPE_USER . '" /> ' . $lang->get('acl_radio_user') . '</label></p>
<p>' . $template->username_field('data[target_id_user]') . '</p>
<p>' . $lang->get('acl_lbl_scope') . '</p>
<p><label><input name="data[scope]" value="only_this" type="radio" checked="checked" /> ' . $lang->get('acl_radio_scope_thispage') . '</p>
' . $groupsel . '
<p><label><input name="data[scope]" value="entire_site" type="radio" /> ' . $lang->get('acl_radio_scope_wholesite') . '</p>
<div style="margin: 0 auto 0 0; text-align: right;">
<input name="data[mode]" value="seltarget" type="hidden" />
<input type="hidden" name="data[page_id]" value="' . $paths->page_id . '" />
<input type="hidden" name="data[namespace]" value="' . $paths->namespace . '" />
<input type="submit" value="' . htmlspecialchars($lang->get('etc_wizard_next')) . '" />
</div>';
echo $formend;
break;
case 'success':
echo '<div class="info-box">
<b>' . $lang->get('acl_lbl_save_success_title') . '</b><br />
' . $lang->get('acl_lbl_save_success_body', array( 'target_name' => $response['target_name'] )) . '<br />
' . $formstart . '
<input type="hidden" name="data[mode]" value="seltarget" />
<input type="hidden" name="data[target_type]" value="' . $response['target_type'] . '" />
<input type="hidden" name="data[target_id_user]" value="' . ( ( intval($response['target_type']) == ACL_TYPE_USER ) ? $response['target_name'] : $response['target_id'] ) .'" />
<input type="hidden" name="data[target_id_grp]" value="' . ( ( intval($response['target_type']) == ACL_TYPE_USER ) ? $response['target_name'] : $response['target_id'] ) .'" />
<input type="hidden" name="data[scope]" value="' . ( ( $response['page_id'] ) ? 'only_this' : 'entire_site' ) . '" />
<input type="hidden" name="data[page_id]" value="' . ( ( $response['page_id'] ) ? $response['page_id'] : 'false' ) . '" />
<input type="hidden" name="data[namespace]" value="' . ( ( $response['namespace'] ) ? $response['namespace'] : 'false' ) . '" />
<input type="submit" value="' . $lang->get('acl_btn_returnto_editor') . '" /> <input type="submit" name="data[act_go_stage1]" value="' . $lang->get('acl_btn_returnto_userscope') . '" />
' . $formend . '
</div>';
break;
case 'delete':
echo '<div class="info-box">
<b>' . $lang->get('acl_lbl_delete_success_title') . '</b><br />
' . $lang->get('acl_lbl_delete_success_body', array('target_name' => $response['target_name'])) . '<br />
' . $formstart . '
<input type="hidden" name="data[mode]" value="seltarget" />
<input type="hidden" name="data[target_type]" value="' . $response['target_type'] . '" />
<input type="hidden" name="data[target_id_user]" value="' . ( ( intval($response['target_type']) == ACL_TYPE_USER ) ? $response['target_name'] : $response['target_id'] ) .'" />
<input type="hidden" name="data[target_id_grp]" value="' . ( ( intval($response['target_type']) == ACL_TYPE_USER ) ? $response['target_name'] : $response['target_id'] ) .'" />
<input type="hidden" name="data[scope]" value="' . ( ( $response['page_id'] ) ? 'only_this' : 'entire_site' ) . '" />
<input type="hidden" name="data[page_id]" value="' . ( ( $response['page_id'] ) ? $response['page_id'] : 'false' ) . '" />
<input type="hidden" name="data[namespace]" value="' . ( ( $response['namespace'] ) ? $response['namespace'] : 'false' ) . '" />
<input type="submit" value="' . $lang->get('acl_btn_returnto_editor') . '" /> <input type="submit" name="data[act_go_stage1]" value="' . $lang->get('acl_btn_returnto_userscope') . '" />
' . $formend . '
</div>';
break;
case 'seltarget':
if ( $response['type'] == 'edit' )
{
echo '<h3>' . $lang->get('acl_lbl_editwin_title_edit') . '</h3>';
}
else
{
echo '<h3>' . $lang->get('acl_lbl_editwin_title_create') . '</h3>';
}
$type = ( $response['target_type'] == ACL_TYPE_GROUP ) ? $lang->get('acl_target_type_group') : $lang->get('acl_target_type_user');
$scope = ( $response['page_id'] ) ? ( $response['namespace'] == '__PageGroup' ? $lang->get('acl_scope_type_pagegroup') : $lang->get('acl_scope_type_thispage') ) : $lang->get('acl_scope_type_wholesite');
$subs = array(
'target_type' => $type,
'target' => $response['target_name'],
'scope_type' => $scope
);
echo $lang->get('acl_lbl_editwin_body', $subs);
echo $formstart;
$parser = $template->makeParserText( $response['template']['acl_field_begin'] );
echo $parser->run();
$parser = $template->makeParserText( $response['template']['acl_field_item'] );
$cls = 'row2';
foreach ( $response['acl_types'] as $acl_type => $value )
{
$vars = Array(
'FIELD_INHERIT_CHECKED' => '',
'FIELD_DENY_CHECKED' => '',
'FIELD_DISALLOW_CHECKED' => '',
'FIELD_WIKIMODE_CHECKED' => '',
'FIELD_ALLOW_CHECKED' => '',
);
$cls = ( $cls == 'row1' ) ? 'row2' : 'row1';
$vars['ROW_CLASS'] = $cls;
switch ( $response['current_perms'][$acl_type] )
{
case 'i':
default:
$vars['FIELD_INHERIT_CHECKED'] = 'checked="checked"';
break;
case AUTH_ALLOW:
$vars['FIELD_ALLOW_CHECKED'] = 'checked="checked"';
break;
case AUTH_WIKIMODE:
$vars['FIELD_WIKIMODE_CHECKED'] = 'checked="checked"';
break;
case AUTH_DISALLOW:
$vars['FIELD_DISALLOW_CHECKED'] = 'checked="checked"';
break;
case AUTH_DENY:
$vars['FIELD_DENY_CHECKED'] = 'checked="checked"';
break;
}
$vars['FIELD_NAME'] = 'data[perms][' . $acl_type . ']';
if ( preg_match('/^([a-z0-9_]+)$/', $response['acl_descs'][$acl_type]) )
{
$vars['FIELD_DESC'] = $lang->get($response['acl_descs'][$acl_type]);
}
else
{
$vars['FIELD_DESC'] = $response['acl_descs'][$acl_type];
}
$parser->assign_vars($vars);
echo $parser->run();
}
$parser = $template->makeParserText( $response['template']['acl_field_end'] );
echo $parser->run();
echo '<div style="margin: 10px auto 0 0; text-align: right;">
<input name="data[mode]" value="save_' . $response['type'] . '" type="hidden" />
<input type="hidden" name="data[page_id]" value="' . (( $response['page_id'] ) ? $response['page_id'] : 'false') . '" />
<input type="hidden" name="data[namespace]" value="' . (( $response['namespace'] ) ? $response['namespace'] : 'false') . '" />
<input type="hidden" name="data[target_type]" value="' . $response['target_type'] . '" />
<input type="hidden" name="data[target_id]" value="' . $response['target_id'] . '" />
<input type="hidden" name="data[target_name]" value="' . $response['target_name'] . '" />
' . ( ( $response['type'] == 'edit' ) ? '<input type="submit" value="' . $lang->get('etc_save_changes') . '" /> <input type="submit" name="data[act_delete_rule]" value="' . $lang->get('acl_btn_deleterule') . '" style="color: #AA0000;" onclick="return confirm(\'' . addslashes($lang->get('acl_msg_deleterule_confirm')) . '\');" />' : '<input type="submit" value="' . $lang->get('acl_btn_createrule') . '" />' ) . '
</div>';
echo $formend;
break;
case 'error':
ob_end_clean();
die_friendly('Error occurred', '<p>Error returned by permissions API:</p><pre>' . htmlspecialchars($response['error']) . '</pre>');
break;
}
$ret = ob_get_contents();
ob_end_clean();
echo
$template->getHeader() .
$ret .
$template->getFooter();
}
/**
* Preprocessor to turn the form-submitted data from the ACL editor into something the backend can handle
* @param array The posted data
* @return array
* @access private
*/
public static function acl_preprocess($parms)
{
if ( !isset($parms['mode']) )
// Nothing to do
return $parms;
switch ( $parms['mode'] )
{
case 'seltarget':
// Who's affected?
$parms['target_type'] = intval( $parms['target_type'] );
$parms['target_id'] = ( $parms['target_type'] == ACL_TYPE_GROUP ) ? $parms['target_id_grp'] : $parms['target_id_user'];
case 'save_edit':
case 'save_new':
if ( isset($parms['act_delete_rule']) )
{
$parms['mode'] = 'delete';
}
// Scope (just this page or entire site?)
if ( $parms['scope'] == 'entire_site' || ( $parms['page_id'] == 'false' && $parms['namespace'] == 'false' ) )
{
$parms['page_id'] = false;
$parms['namespace'] = false;
}
else if ( $parms['scope'] == 'page_group' )
{
$parms['page_id'] = $parms['pg_id'];
$parms['namespace'] = '__PageGroup';
}
break;
}
if ( isset($parms['act_go_stage1']) )
{
$parms = array(
'mode' => 'listgroups'
);
}
return $parms;
}
public static function acl_postprocess($response)
{
if(!isset($response['mode']))
{
if ( isset($response['groups']) )
$response['mode'] = 'stage1';
else
$response = Array(
'mode' => 'error',
'error' => 'Invalid action passed by API backend.',
);
}
return $response;
}
}
/**
* Generates a graphical key showing how the ACL rule list works.
* @return string
*/
function acl_list_draw_key()
{
$out = '<div style="width: 460px; margin: 0 auto; text-align: center; margin-bottom: 10px;">';
$out .= '<div style="float: left;">← Deny</div>';
$out .= '<div style="float: right;">Allow →</div>';
$out .= 'Neutral';
$out .= '<div style="clear: both;"></div>';
// 11 boxes on each side of the center
$inc = ceil ( ( 0xFF - ACL_SCALE_MINIMAL_SHADE ) / 11 );
for ( $i = ACL_SCALE_MINIMAL_SHADE; $i <= 0xFF; $i+= $inc )
{
$octet = dechex($i);
$color = "ff$octet$octet";
$out .= '<div style="background-color: #' . $color . '; float: left; width: 20px;"> </div>';
}
$out .= '<div style="background-color: #efefef; float: left; width: 20px;"> </div>';
for ( $i = 0xFF; $i >= ACL_SCALE_MINIMAL_SHADE; $i-= $inc )
{
$octet = dechex($i);
$color = "{$octet}ff{$octet}";
$out .= '<div style="background-color: #' . $color . '; float: left; width: 20px;"> </div>';
}
$out .= '<div style="clear: both;"></div>';
$out .= '<div style="float: left;">-100</div>';
$out .= '<div style="float: right;">+100</div>';
$out .= '0';
$out .= '</div>';
return $out;
}
/**
* Gets the numerical score for the serialized form of an ACL rule
*/
function get_acl_rule_score($perms)
{
global $db, $session, $paths, $template, $plugins; // Common objects
if ( is_string($perms) )
$perms = $session->string_to_perm($perms);
else if ( !is_array($perms) )
return false;
$score = 0;
foreach ( $perms as $item )
{
switch ( $item )
{
case AUTH_ALLOW :
$inc = 2;
break;
case AUTH_WIKIMODE:
$inc = 1;
break;
case AUTH_DISALLOW:
$inc = -1;
break;
case AUTH_DENY:
$inc = -2;
break;
default:
$inc = 0;
break;
}
$score += $inc;
}
// this is different from the beta; calculate highest score and
// get percentage to be fairer to smaller/less broad rules
$divisor = count($perms) * 2;
if ( $divisor == 0 )
{
return 0;
}
$score = 100 * ( $score / $divisor );
return round($score);
}
?>