Added some more hooks to the page editing pipeline. It should now be possible to add controls to the page editor, send the data from them out to the server, and process them on the server side.
<?php
/*
* Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
* Copyright (C) 2006-2009 Dan Fuhry
*
* This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
*/
/**
* The default handler for namespaces. Basically fetches the page text from the database. Other namespaces should extend this class.
* @package Enano
* @subpackage PageHandler
* @author Dan Fuhry <dan@enanocms.org>
* @license GNU General Public License <http://www.gnu.org/licenses/gpl-2.0.html>
*/
class Namespace_Default
{
/**
* Page ID
* @var string
*/
public $page_id;
/**
* Namespace
* @var string
*/
public $namespace;
/**
* Local copy of the page text
*/
public $text_cache;
/**
* Revision ID to send. If 0, the latest revision.
* @var int
*/
public $revision_id = 0;
/**
* Tracks whether the page exists
* @var bool
*/
public $exists = false;
/**
* Page title
* @var string
*/
public $title = '';
/**
* PathManager info array ("cdata") for this page. (The one with urlname, name, namespace, delvotes, delvote_ips, protected, visible, etc.)
* @var array
*/
public $cdata = array();
/**
* ACL calculation instance for this page.
* @var object(Session_ACLPageInfo)
*/
public $perms = false;
/**
* Protection calculation
* @var bool
*/
public $page_protected = false;
/**
* Wiki mode calculation
* @var bool
*/
public $wiki_mode = false;
/**
* Page conditions. These represent the final decision as to whether an action is allowed or not. They are set to true if ACLs permit AND if
* the action "makes sense." (e.g., you can't vote to delete a non-wikimode page.)
* @var array
*/
public $conds = array();
/**
* Constructor.
*/
public function __construct($page_id, $namespace, $revision_id = 0)
{
global $db, $session, $paths, $template, $plugins; // Common objects
$this->page_id = sanitize_page_id($page_id);
$this->namespace = $namespace;
$this->revision_id = intval($revision_id);
// grab the cdata
$this->build_cdata();
$this->page_protected = $this->cdata['really_protected'] ? true : false;
switch($this->cdata['wiki_mode'])
{
case 0: $this->wiki_mode = false; break;
case 1: $this->wiki_mode = true; break;
default: case 2: $this->wiki_mode = getConfig('wiki_mode') == 1; break;
}
}
/**
* Build the page's cdata.
*/
public function build_cdata()
{
global $db, $session, $paths, $template, $plugins; // Common objects
static $cdata_cache = array();
$pathskey = $paths->get_pathskey($this->page_id, $this->namespace);
if ( isset($cdata_cache[$pathskey]) )
{
$this->cdata = $cdata_cache[$pathskey];
$this->exists =$cdata_cache[$pathskey]['page_exists'];
$this->title = $cdata_cache[$pathskey]['name'];
return null;
}
$this->exists = false;
$ns_char = substr($paths->nslist['Special'], -1);
$page_name = $this->namespace == 'Article' ? dirtify_page_id($this->page_id) : "{$this->namespace}{$ns_char}" . dirtify_page_id($this->page_id);
$page_name = str_replace('_', ' ', $page_name);
$this->title = $page_name;
$this->cdata = array(
'name' => $page_name,
'urlname' => $this->page_id,
'namespace' => $this->namespace,
'special' => 0,
'visible' => 0,
'comments_on' => 1,
'protected' => 0,
'delvotes' => 0,
'delvote_ips' => '',
'wiki_mode' => 2,
'page_exists' => false,
'page_format' => getConfig('default_page_format', 'wikitext')
);
if ( $data_from_db = Namespace_Default::get_cdata_from_db($this->page_id, $this->namespace) )
{
$this->exists = true;
$this->cdata = $data_from_db;
$this->cdata['page_exists'] = true;
$this->title = $this->cdata['name'];
}
$this->cdata = Namespace_Default::bake_cdata($this->cdata);
$cdata_cache[$pathskey] = $this->cdata;
}
/**
* Pulls the page's actual text from the database.
*/
function fetch_text()
{
global $db, $session, $paths, $template, $plugins; // Common objects
if ( !empty($this->text_cache) )
{
return $this->text_cache;
}
if ( $this->revision_id > 0 && is_int($this->revision_id) )
{
$q = $db->sql_query('SELECT page_text, char_tag, time_id FROM '.table_prefix.'logs WHERE log_type=\'page\' AND action=\'edit\' AND page_id=\'' . $this->page_id . '\' AND namespace=\'' . $this->namespace . '\' AND log_id=' . $this->revision_id . ';');
if ( !$q )
{
$this->send_error('Error during SQL query.', true);
}
if ( $db->numrows() < 1 )
{
// Compatibility fix for old pages with dots in the page ID
if ( strstr($this->page_id, '.2e') )
{
$db->free_result();
$page_id = str_replace('.2e', '.', $this->page_id);
$q = $db->sql_query('SELECT page_text, char_tag, time_id FROM '.table_prefix.'logs WHERE log_type=\'page\' AND action=\'edit\' AND page_id=\'' . $page_id . '\' AND namespace=\'' . $this->namespace . '\' AND log_id=' . $this->revision_id . ';');
if ( !$q )
{
$this->send_error('Error during SQL query.', true);
}
if ( $db->numrows() < 1 )
{
$this->page_exists = false;
return 'err_no_text_rows';
}
}
else
{
$this->page_exists = false;
return 'err_no_text_rows';
}
}
else
{
$row = $db->fetchrow();
}
$db->free_result();
}
else
{
$q = $db->sql_query('SELECT t.page_text, t.char_tag, l.time_id FROM '.table_prefix."page_text AS t\n"
. " LEFT JOIN " . table_prefix . "logs AS l\n"
. " ON ( l.page_id = t.page_id AND l.namespace = t.namespace )\n"
. " WHERE t.page_id='$this->page_id' AND t.namespace='$this->namespace'\n"
. " ORDER BY l.time_id DESC LIMIT 1;");
if ( !$q )
{
$this->send_error('Error during SQL query.', true);
}
if ( $db->numrows() < 1 )
{
// Compatibility fix for old pages with dots in the page ID
if ( strstr($this->page_id, '.2e') )
{
$db->free_result();
$page_id = str_replace('.2e', '.', $this->page_id);
$q = $db->sql_query('SELECT page_text, char_tag FROM '.table_prefix.'page_text WHERE page_id=\'' . $page_id . '\' AND namespace=\'' . $this->namespace . '\';');
if ( !$q )
{
$this->send_error('Error during SQL query.', true);
}
if ( $db->numrows() < 1 )
{
$this->page_exists = false;
return 'err_no_text_rows';
}
}
else
{
$this->page_exists = false;
return 'err_no_text_rows';
}
}
$row = $db->fetchrow();
$db->free_result();
}
if ( !empty($row['char_tag']) )
{
// This page text entry uses the old text-escaping format
$from = array(
"{APOS:{$row['char_tag']}}",
"{QUOT:{$row['char_tag']}}",
"{SLASH:{$row['char_tag']}}"
);
$to = array("'", '"', '\\');
$row['page_text'] = str_replace($from, $to, $row['page_text']);
}
$this->text_cache = $row['page_text'];
if ( isset($row['time_id']) )
{
$this->revision_time = intval($row['time_id']);
}
return $row['page_text'];
}
/**
* Send the page.
*/
public function send()
{
global $db, $session, $paths, $template, $plugins; // Common objects
global $output;
$output->add_before_footer($this->display_categories());
if ( $this->exists )
$this->send_from_db();
else
{
// This is the DEPRECATED way to extend namespaces. It's left in only for compatibility with older plugins.
ob_start();
$code = $plugins->setHook('page_not_found');
foreach ( $code as $cmd )
{
eval($cmd);
}
$c = ob_get_contents();
if ( !empty($c) )
{
ob_end_clean();
echo $c;
}
else
{
$output->header();
$this->error_404();
$output->footer();
}
}
}
/**
* Get a redirect, if there is one.
* @return mixed Array: Page ID and namespace, associative; bool: false (no redirect)
*/
public function get_redirect()
{
$text = $this->fetch_text();
if ( preg_match('/^#redirect \[\[([^\]]+?)\]\]/i', $text, $match ) )
{
list($page_id, $namespace) = RenderMan::strToPageID($match[1]);
return array(
'page_id' => $page_id,
'namespace' => $namespace
);
}
return false;
}
/**
* The "real" send-the-page function. The reason for this is so other namespaces can re-use the code
* to fetch the page from the DB while being able to install their own wrappers.
*/
public function send_from_db($incl_inner_headers = true, $send_headers = true)
{
global $db, $session, $paths, $template, $plugins; // Common objects
global $lang;
global $output;
$text = $this->fetch_text();
profiler_log("Namespace [$this->namespace, $this->page_id]: pulled text from DB");
$text = preg_replace('/([\s]*)__NOBREADCRUMBS__([\s]*)/', '', $text);
$text = preg_replace('/([\s]*)__NOTOC__([\s]*)/', '', $text);
$text = preg_replace('/^#redirect \[\[.+?\]\]\s*/i', '', $text);
if ( $send_headers )
{
$output->set_title($this->title);
$output->header();
}
$this->do_breadcrumbs();
if ( $incl_inner_headers )
{
if ( !$this->perms )
$this->perms = $session->fetch_page_acl($this->page_id, $this->namespace);
if ( $this->perms->get_permissions('vote_reset') && $this->cdata['delvotes'] > 0)
{
$delvote_ips = unserialize($this->cdata['delvote_ips']);
$hr = htmlspecialchars(implode(', ', $delvote_ips['u']));
$string_id = ( $this->cdata['delvotes'] == 1 ) ? 'delvote_lbl_votes_one' : 'delvote_lbl_votes_plural';
$string = $lang->get($string_id, array('num_users' => $this->cdata['delvotes']));
echo '<div class="info-box" style="margin-left: 0; margin-top: 5px;" id="mdgDeleteVoteNoticeBox">
<b>' . $lang->get('etc_lbl_notice') . '</b> ' . $string . '<br />
<b>' . $lang->get('delvote_lbl_users_that_voted') . '</b> ' . $hr . '<br />
<a href="'.makeUrl($paths->page, 'do=deletepage').'" onclick="ajaxDeletePage(); return false;">' . $lang->get('delvote_btn_deletepage') . '</a> | <a href="'.makeUrl($paths->page, 'do=resetvotes').'" onclick="ajaxResetDelVotes(); return false;">' . $lang->get('delvote_btn_resetvotes') . '</a>
</div>';
}
}
if ( $this->revision_id )
{
echo '<div class="info-box" style="margin-left: 0; margin-top: 5px;">
<b>' . $lang->get('page_msg_archived_title') . '</b><br />
' . $lang->get('page_msg_archived_body', array(
'archive_date' => enano_date(ED_DATE, $this->revision_time),
'archive_time' => enano_date(ED_TIME, $this->revision_time),
'current_link' => makeUrlNS($this->namespace, $this->page_id),
'restore_link' => makeUrlNS($this->namespace, $this->page_id, 'do=edit&revid='.$this->revision_id),
'restore_onclick' => 'ajaxEditor(\''.$this->revision_id.'\'); return false;',
)) . '
</div>';
$q = $db->sql_query('SELECT page_format FROM ' . table_prefix . "logs WHERE log_id = {$this->revision_id};");
if ( !$q )
$db->_die();
list($page_format) = $db->fetchrow_num();
$db->free_result();
}
else
{
$page_format = $this->cdata['page_format'];
}
$code = $plugins->setHook('pageprocess_render_head');
foreach ( $code as $cmd )
{
eval($cmd);
}
$prof_contentevent = profiler_log("Namespace [$this->namespace, $this->page_id]: headers and preprocessing done - about to send content");
if ( $incl_inner_headers )
{
if ( $page_format === 'wikitext' )
{
$text = '?>' . RenderMan::render($text);
}
else
{
// Page format is XHTML. This means we want to disable functionality that MCE takes care of, while still retaining
// the ability to wikilink, the ability to use images, etc. Basically, RENDER_INLINEONLY disables all behavior in
// the rendering engine/Text_Wiki that conflicts with MCE.
$text = '?>' . RenderMan::render($text, RENDER_INLINE);
}
}
else
{
$text = '?>' . $text;
$text = preg_replace('/<nowiki>(.*?)<\/nowiki>/s', '\\1', $text);
}
eval ( $text );
profiler_log("Namespace [$this->namespace, $this->page_id]: content sent", true, $prof_contentevent);
$code = $plugins->setHook('pageprocess_render_tail');
foreach ( $code as $cmd )
{
eval($cmd);
}
if ( $incl_inner_headers )
{
display_page_footers();
}
profiler_log("Namespace [$this->namespace, $this->page_id]: sent footers");
if ( $send_headers )
$output->footer();
}
/**
* Echoes out breadcrumb data, if appropriate.
* @access private
*/
function do_breadcrumbs()
{
global $db, $session, $paths, $template, $plugins; // Common objects
global $lang;
if ( strpos($this->text_cache, '__NOBREADCRUMBS__') !== false )
return false;
$mode = getConfig('breadcrumb_mode');
if ( $mode == 'never' )
// Breadcrumbs are disabled
return true;
// Minimum depth for breadcrumb display
$threshold = ( $mode == 'always' ) ? 0 : 1;
$breadcrumb_data = explode('/', $this->page_id);
if ( count($breadcrumb_data) > $threshold )
{
// If we're not on a subpage of the main page, add "Home" to the list
$show_home = false;
if ( $mode == 'always' )
{
$show_home = true;
}
echo '<!-- Start breadcrumbs -->
<div class="breadcrumbs">
';
if ( $show_home )
{
// Display the "home" link first.
$pathskey = $paths->nslist[ $this->namespace ] . $this->page_id;
if ( $pathskey !== get_main_page() )
echo '<a href="' . makeUrl(get_main_page(), false, true) . '">';
echo $lang->get('onpage_btn_breadcrumbs_home');
if ( $pathskey !== get_main_page() )
echo '</a>';
}
foreach ( $breadcrumb_data as $i => $crumb )
{
$cumulative = implode('/', array_slice($breadcrumb_data, 0, ( $i + 1 )));
if ( $show_home && $cumulative === get_main_page() )
continue;
if ( $show_home || $i > 0 )
echo ' » ';
$title = ( isPage($cumulative) ) ? get_page_title($cumulative) : get_page_title($crumb);
if ( $i + 1 == count($breadcrumb_data) )
{
echo htmlspecialchars($title);
}
else
{
$exists = ( isPage($cumulative) ) ? '' : ' class="wikilink-nonexistent"';
echo '<a href="' . makeUrl($cumulative, false, true) . '"' . $exists . '>' . htmlspecialchars($title) . '</a>';
}
}
echo '</div>
<!-- End breadcrumbs -->
';
}
}
public function error_404()
{
global $db, $session, $paths, $template, $plugins; // Common objects
global $lang, $output;
$userpage = $this->namespace == 'User';
@header('HTTP/1.1 404 Not Found');
$msg = ( $pp = $paths->sysmsg('Page_not_found') ) ? $pp : '{STANDARD404}';
$standard_404 = '';
if ( $userpage )
{
$standard_404 .= '<h3>' . $lang->get('page_msg_404_title_userpage') . '</h3>
<p>' . $lang->get('page_msg_404_body_userpage');
}
else
{
$standard_404 .= '<h3>' . $lang->get('page_msg_404_title') . '</h3>
<p>' . $lang->get('page_msg_404_body');
}
if ( $session->check_acl_scope('create_page', $this->namespace) && $session->get_permissions('create_page') )
{
$standard_404 .= ' ' . $lang->get('page_msg_404_create', array(
'create_flags' => 'href="'.makeUrlNS($this->namespace, $this->page_id, 'do=edit', true).'" onclick="ajaxEditor(); return false;"',
'mainpage_link' => makeUrl(get_main_page(), false, true)
));
}
else
{
$standard_404 .= ' ' . $lang->get('page_msg_404_gohome', array(
'mainpage_link' => makeUrl(get_main_page(), false, true)
));
}
$standard_404 .= '</p>';
if ( $session->check_acl_scope('history_rollback', $this->namespace) && $session->get_permissions('history_rollback') )
{
$e = $db->sql_query('SELECT * FROM ' . table_prefix . 'logs WHERE action=\'delete\' AND page_id=\'' . $this->page_id . '\' AND namespace=\'' . $this->namespace . '\' ORDER BY time_id DESC;');
if ( !$e )
{
$db->_die('The deletion log could not be selected.');
}
if ( $db->numrows() > 0 )
{
$r = $db->fetchrow();
$standard_404 .= '<p>' . $lang->get('page_msg_404_was_deleted', array(
'delete_time' => enano_date(ED_DATE | ED_TIME, $r['time_id']),
'delete_reason' => htmlspecialchars($r['edit_summary']),
'rollback_flags' => 'href="'.makeUrl($paths->page, 'do=rollback&id='.$r['log_id']).'" onclick="ajaxRollback(\''.$r['log_id'].'\'); return false;"'
))
. '</p>';
if ( $session->user_level >= USER_LEVEL_ADMIN )
{
$standard_404 .= '<p>' . $lang->get('page_msg_404_admin_opts', array(
'detag_link' => makeUrl($paths->page, 'do=detag', true)
))
. '</p>';
}
}
$db->free_result();
}
$standard_404 .= '<p>
' . $lang->get('page_msg_404_http_response') . '
</p>';
$parser = $template->makeParserText($msg);
$parser->assign_vars(array(
'STANDARD404' => $standard_404
));
$msg = RenderMan::render($parser->run());
eval( '?>' . $msg );
}
/**
* Display the categories a page is in. If the current page is a category, its contents will also be printed.
*/
function display_categories()
{
global $db, $session, $paths, $template, $plugins; // Common objects
global $lang;
$html = '';
if ( $this->namespace == 'Category' )
{
// Show member pages and subcategories
$q = $db->sql_query('SELECT p.urlname, p.namespace, p.name, p.namespace=\'Category\' AS is_category FROM '.table_prefix.'categories AS c
LEFT JOIN '.table_prefix.'pages AS p
ON ( p.urlname = c.page_id AND p.namespace = c.namespace )
WHERE c.category_id=\'' . $db->escape($this->page_id) . '\'
ORDER BY is_category DESC, p.name ASC;');
if ( !$q )
{
$db->_die();
}
$html .= '<h3>' . $lang->get('onpage_cat_heading_subcategories') . '</h3>';
$html .= '<div class="tblholder">';
$html .= '<table border="0" cellspacing="1" cellpadding="4">';
$html .= '<tr>';
$ticker = 0;
$counter = 0;
$switched = false;
$class = 'row1';
while ( $row = $db->fetchrow($q) )
{
if ( $row['is_category'] == 0 && !$switched )
{
if ( $counter > 0 )
{
// Fill-in
while ( $ticker < 3 )
{
$ticker++;
$html .= '<td class="' . $class . '" style="width: 33.3%;"></td>';
}
}
else
{
$html .= '<td class="' . $class . '">' . $lang->get('onpage_cat_msg_no_subcategories') . '</td>';
}
$html .= '</tr></table></div>' . "\n\n";
$html .= '<h3>' . $lang->get('onpage_cat_heading_pages') . '</h3>';
$html .= '<div class="tblholder">';
$html .= '<table border="0" cellspacing="1" cellpadding="4">';
$html .= '<tr>';
$counter = 0;
$ticker = -1;
$switched = true;
}
$counter++;
$ticker++;
if ( $ticker == 3 )
{
$html .= '</tr><tr>';
$ticker = 0;
$class = ( $class == 'row3' ) ? 'row1' : 'row3';
}
$html .= "<td class=\"{$class}\" style=\"width: 33.3%;\">"; // " to workaround stupid jEdit bug
$link = makeUrlNS($row['namespace'], sanitize_page_id($row['urlname']));
$html .= '<a href="' . $link . '"';
$key = $paths->nslist[$row['namespace']] . sanitize_page_id($row['urlname']);
if ( !isPage( $key ) )
{
$html .= ' class="wikilink-nonexistent"';
}
$html .= '>';
$title = get_page_title_ns($row['urlname'], $row['namespace']);
$html .= htmlspecialchars($title);
$html .= '</a>';
$html .= "</td>";
}
if ( !$switched )
{
if ( $counter > 0 )
{
// Fill-in
while ( $ticker < 2 )
{
$ticker++;
$html .= '<td class="' . $class . '" style="width: 33.3%;"></td>';
}
}
else
{
$html .= '<td class="' . $class . '">' . $lang->get('onpage_cat_msg_no_subcategories') . '</td>';
}
$html .= '</tr></table></div>' . "\n\n";
$html .= '<h3>' . $lang->get('onpage_cat_heading_pages') . '</h3>';
$html .= '<div class="tblholder">';
$html .= '<table border="0" cellspacing="1" cellpadding="4">';
$html .= '<tr>';
$counter = 0;
$ticker = 0;
$switched = true;
}
if ( $counter > 0 )
{
// Fill-in
while ( $ticker < 2 )
{
$ticker++;
$html .= '<td class="' . $class . '" style="width: 33.3%;"></td>';
}
}
else
{
$html .= '<td class="' . $class . '">' . $lang->get('onpage_cat_msg_no_pages') . '</td>';
}
$html .= '</tr></table></div>' . "\n\n";
}
// FIXME check_acl_scope here may not be a great idea... if there's no way to ever edit categorization OR tags for
// a given namespace because the permsissions don't allow for it, don't display the box at all.
if ( $this->namespace != 'Special' && $this->namespace != 'Admin' &&
($session->check_acl_scope('edit_cat', $this->namespace) || $session->check_acl_scope('tag_create', $this->namespace)) )
{
$html .= '<div class="mdg-comment" style="margin: 10px 0 0 0;" id="category_box_wrapper">';
$html .= '<div style="float: right;">';
$html .= '(<a href="#" onclick="ajaxCatToTag(); return false;">' . $lang->get('tags_catbox_link') . '</a>)';
$html .= '</div>';
$html .= '<div id="mdgCatBox">' . $lang->get('catedit_catbox_lbl_categories') . ' ';
$q = $db->sql_query('SELECT category_id FROM ' . table_prefix . "categories WHERE page_id = '$this->page_id' AND namespace = '$this->namespace';");
if ( !$q )
$db->_die();
if ( $row = $db->fetchrow() )
{
$list = array();
do
{
$cid = sanitize_page_id($row['category_id']);
$title = get_page_title_ns($cid, 'Category');
$link = makeUrlNS('Category', $cid);
$exists = isPage("{$paths->nslist['Category']}$cid") ? '' : ' class="wikilink-nonexistent"';
$list[] = '<a href="' . $link . '"' . $exists . '>' . htmlspecialchars($title) . '</a>';
}
while ( $row = $db->fetchrow($q) );
$html .= implode(', ', $list);
}
else
{
$html .= $lang->get('catedit_catbox_lbl_uncategorized');
}
$can_edit = ( $session->check_acl_scope('edit_cat', $this->namespace) && $session->get_permissions('edit_cat') && ( !$paths->page_protected || $session->get_permissions('even_when_protected') ) );
if ( $can_edit )
{
$edit_link = '<a href="' . makeUrl($paths->page, 'do=catedit', true) . '" onclick="ajaxCatEdit(); return false;">' . $lang->get('catedit_catbox_link_edit') . '</a>';
$html .= ' [ ' . $edit_link . ' ]';
}
$html .= '</div></div>';
}
return $html;
}
/**
* Pull in switches as to whether a specific toolbar button should be used or not. This sets things up according to the current page being displayed.
* @return array Associative
*/
function set_conds()
{
global $db, $session, $paths, $template, $plugins; // Common objects
if ( !$this->perms )
$this->perms = $session->fetch_page_acl($this->page_id, $this->namespace);
if ( !$this->perms )
{
// We're trying to send a page WAY too early (session hasn't been started yet), such as for a redirect. Send a default set of conds because
// there's NO way to get permissions to determine anything otherwise. Yes, starting $session here might be dangerous.
$this->conds = array(
'article' => true,
'comments' => false,
'edit' => false,
'viewsource' => false,
'history' => false,
'rename' => false,
'delvote' => false,
'resetvotes' => false,
'delete' => false,
'printable' => false,
'protect' => false,
'setwikimode' => false,
'clearlogs' => false,
'password' => false,
'acledit' => false,
'adminpage' => false
);
return $this->conds;
}
// die('have perms: <pre>' . print_r($this->perms, true) . "\n---------------------------------\nBacktrace:\n" . enano_debug_print_backtrace(true));
$enforce_protection = ( $this->page_protected && ( ( $session->check_acl_scope('even_when_protected', $this->namespace) && !$this->perms->get_permissions('even_when_protected') ) || !$session->check_acl_scope('even_when_protected', $this->namespace) ) );
$conds = array();
// Article: always show
$conds['article'] = true;
// Discussion: Show if comments are enabled on the site, and if comments are on for this page.
$conds['comments'] = $this->perms->get_permissions('read') && getConfig('enable_comments', '1')=='1' && $this->cdata['comments_on'] == 1;
// Edit: Show if we have permission to edit the page, and if we don't have protection in effect
$conds['edit'] = $this->perms->get_permissions('read') && $session->check_acl_scope('edit_page', $this->namespace) && $this->perms->get_permissions('edit_page') && !$enforce_protection;
// View source: Show if we have permission to view source and either ACLs prohibit editing or protection is in effect
$conds['viewsource'] = $session->check_acl_scope('view_source', $this->namespace) && $this->perms->get_permissions('view_source') && ( !$this->perms->get_permissions('edit_page') || $enforce_protection ) && $this->namespace != 'API';
// History: Show if we have permission to see history and if the page exists
$conds['history'] = $session->check_acl_scope('history_view', $this->namespace) && $this->exists && $this->perms->get_permissions('history_view');
// Rename: Show if the page exists, if we have permission to rename, and if protection isn't in effect
$conds['rename'] = $session->check_acl_scope('rename', $this->namespace) && $this->exists && $this->perms->get_permissions('rename') && !$enforce_protection;
// Vote-to-delete: Show if we have Wiki Mode on, if we have permission to vote for deletion, and if the page exists (can't vote to delete a nonexistent page)
$conds['delvote'] = $this->wiki_mode && $session->check_acl_scope('vote_delete', $this->namespace) && $this->perms->get_permissions('vote_delete') && $this->exists;
// Reset votes: Show if we have Wiki Mode on, if we have permission to reset votes, if the page exists, and if there's at least one vote
$conds['resetvotes'] = $session->check_acl_scope('vote_reset', $this->namespace) && $this->wiki_mode && $this->exists && $this->perms->get_permissions('vote_reset') && $this->cdata['delvotes'] > 0;
// Delete page: Show if the page exists and if we have permission to delete it
$conds['delete'] = $session->check_acl_scope('delete_page', $this->namespace) && $this->exists && $this->perms->get_permissions('delete_page');
// Printable view: Show if the page exists
$conds['printable'] = $this->exists;
// Protect: Show if we have Wiki Mode on, if the page exists, and if we have permission to protect the page.
$conds['protect'] = $session->check_acl_scope('protect', $this->namespace) && $this->wiki_mode && $this->exists && $this->perms->get_permissions('protect');
// Set Wiki Mode: Show if the page exists and if we have permission to set wiki mode
$conds['setwikimode'] = $session->check_acl_scope('set_wiki_mode', $this->namespace) && $this->exists && $this->perms->get_permissions('set_wiki_mode');
// Clear logs: Show if we have permission to clear logs
$conds['clearlogs'] = $session->check_acl_scope('clear_logs', $this->namespace) && $this->perms->get_permissions('clear_logs');
// Set password: a little bit complicated. If there's a password, check for password_reset; else, check for password_set.
$conds['password'] = empty($this->cdata['password']) ?
$session->check_acl_scope('password_set', $this->namespace) && $this->perms->get_permissions('password_set') :
$session->check_acl_scope('password_reset', $this->namespace) && $this->perms->get_permissions('password_reset');
// Edit ACLs: Show if this is a non-Enano page that's calling the Enano API and (a) if we have permissions to edit ACLs or (b) we're an admin AND ACL_ALWAYS_ALLOW_ADMIN_EDIT_ACL is on
$conds['acledit'] = $this->namespace != 'API' && $session->check_acl_scope('edit_acl', $this->namespace) && ( $this->perms->get_permissions('edit_acl') || ( defined('ACL_ALWAYS_ALLOW_ADMIN_EDIT_ACL') && $session->user_level >= USER_LEVEL_ADMIN ) );
// Admin page: Show if the page exists and if we're an admin
$conds['adminpage'] = $session->user_level >= USER_LEVEL_ADMIN && $this->exists;
// Allow plugins to change stuff
$code = $plugins->setHook('page_conds_set');
foreach ( $code as $cmd )
{
eval($cmd);
}
$this->conds = $conds;
}
/**
* Return page conditions
* @return array
*/
public function get_conds()
{
if ( empty($this->conds) )
$this->set_conds();
return $this->conds;
}
/**
* Just tell us if the current page exists or not.
* @return bool
*/
public function exists()
{
return $this->exists;
}
/**
* Return cdata
* @return array
*/
public function get_cdata()
{
return $this->cdata;
}
/**
* Bake, or finalize the processing of, a cdata array.
* @static
* @access public
*/
public static function bake_cdata($cdata)
{
global $db, $session, $paths, $template, $plugins; // Common objects
// urlname_nons is the actual page_id.
$cdata['urlname_nons'] = $cdata['urlname'];
if ( isset($paths->nslist[ $cdata['namespace'] ]) )
{
$cdata['urlname'] = $paths->nslist[ $cdata['namespace'] ] . $cdata['urlname'];
}
else
{
$ns_char = substr($paths->nslist['Special'], -1);
$cdata['urlname'] = $cdata['namespace'] . $ns_char . $cdata['urlname'];
}
// add missing keys
$defaults = array(
'name' => dirtify_page_id(str_replace('_', ' ', $cdata['urlname'])),
'special' => 0,
'visible' => 0,
'comments_on' => 1,
'protected' => 0,
'delvotes' => 0,
'delvote_ips' => serialize(array()),
'wiki_mode' => 2,
'page_format' => getConfig('default_page_format', 'wikitext')
);
foreach ( $defaults as $key => $value )
{
if ( !isset($cdata[$key]) )
$cdata[$key] = $value;
}
// fix up deletion votes
if ( empty($cdata['delvotes']) )
$cdata['delvotes'] = 0;
// fix up deletion vote IP list
if ( empty($cdata['delvote_ips']) )
$cdata['delvote_ips'] = serialize(array());
// calculate wiki mode
$cdata['really_wiki_mode'] = ( $cdata['wiki_mode'] == 1 || ( $cdata['wiki_mode'] == 2 && getConfig('wiki_mode', 0) == 1 ) );
// calculate protection
$cdata['really_protected'] = ( $cdata['protected'] > 0 );
if ( $cdata['protected'] == 2 )
{
$cdata['really_protected'] = !$session->user_logged_in || ( $session->user_logged_in && $session->reg_time + 86400*4 > time() );
}
return $cdata;
}
/**
* Grabs raw (unbaked) cdata from the database, caching if possible.
* @param string Page ID
* @param string Namespace.
* @static
*/
public static function get_cdata_from_db($page_id, $namespace)
{
global $db, $session, $paths, $template, $plugins; // Common objects
static $cache = array();
$pathskey = $paths->get_pathskey($page_id, $namespace);
if ( isset($cache[$pathskey]) )
return $cache[$pathskey];
$page_id_db = $db->escape($page_id);
$namespace_db = $db->escape($namespace);
$q = $db->sql_query('SELECT p.*'
. ' FROM ' . table_prefix . "pages AS p\n"
. " WHERE p.urlname = '$page_id_db' AND p.namespace = '$namespace_db'\n"
. " GROUP BY p.urlname, p.name, p.namespace, p.page_order, p.special, p.visible, p.protected, p.wiki_mode, p.comments_on, p.delvotes, p.delvote_ips, p.page_format, p.password;");
if ( !$q )
$db->_die();
if ( $db->numrows() < 1 )
{
$db->free_result();
$cache[$pathskey] = false;
return false;
}
$row = $db->fetchrow();
// Get comment counts
// FIXME: Apparently there's a bit of recursion in here. Fetching permissions depends on this cdata function.
// Perhaps we should eliminate session's dependency on cdata? (What is it used for?)
$q = $db->sql_query('SELECT approved FROM ' . table_prefix . "comments WHERE page_id = '$page_id_db' AND namespace = '$namespace_db';");
// yay parallel assignment
$row['comments_approved'] = $row['comments_unapproved'] = $row['comments_spam'] = 0;
while ( $commentrow = $db->fetchrow() )
switch($commentrow['approved'])
{
case COMMENT_APPROVED:
default:
$row['comments_approved']++;
break;
case COMMENT_UNAPPROVED:
$row['comments_unapproved']++;
break;
case COMMENT_SPAM:
$row['comments_spam']++;
break;
}
$cache[$pathskey] = $row;
return $row;
}
}
/**
* The namespaces that use the default handler.
*/
class Namespace_Article extends Namespace_Default
{
}
class Namespace_Project extends Namespace_Default
{
}
class Namespace_Help extends Namespace_Default
{
}
class Namespace_Category extends Namespace_Default
{
}