DBAL: Persistent connections; also explicitly commit and unlock tables when shutting down
<?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.
*/
// Page management smart form
function page_Admin_PageManager()
{
global $db, $session, $paths, $template, $plugins; // Common objects
global $lang;
global $cache;
if ( $session->auth_level < USER_LEVEL_ADMIN || $session->user_level < USER_LEVEL_ADMIN )
{
$login_link = makeUrlNS('Special', 'Login/' . $paths->nslist['Special'] . 'Administration', 'level=' . USER_LEVEL_ADMIN, true);
echo '<h3>' . $lang->get('adm_err_not_auth_title') . '</h3>';
echo '<p>' . $lang->get('adm_err_not_auth_body', array( 'login_link' => $login_link )) . '</p>';
return;
}
require_once(ENANO_ROOT . '/includes/pageutils.php');
echo '<h3>' . $lang->get('acppm_heading_main') . '</h3>';
$show_select = true;
if ( isset($_REQUEST['action']) || isset($_REQUEST['source']) )
{
if ( isset($_REQUEST['action']) )
{
$act =& $_REQUEST['action'];
$act = strtolower($act);
}
else if ( isset($_REQUEST['source']) && $_REQUEST['source'] == 'ajax' )
{
$act = 'select';
}
switch ( $act )
{
case 'save':
case 'select':
// First step is to determine the page ID and namespace
if ( isset($_REQUEST['pid_search']) )
{
list($page_id, $namespace) = RenderMan::strToPageID($_REQUEST['page_id']);
$name = $db->escape(dirtify_page_id($page_id));
$page_id = $db->escape(sanitize_page_id($page_id));
$namespace = $db->escape($namespace);
$name = strtolower($name);
$page_id = strtolower($page_id);
$sql = "SELECT * FROM " . table_prefix . "pages WHERE ( " . ENANO_SQLFUNC_LOWERCASE . "(urlname) LIKE '%$page_id%' OR " . ENANO_SQLFUNC_LOWERCASE . "(name) LIKE '%$name%' ) ORDER BY name ASC;";
}
else
{
// pid_search was not set, assume absolute page ID
list($page_id, $namespace) = RenderMan::strToPageID($_REQUEST['page_id']);
$page_id = $db->escape(sanitize_page_id($page_id));
$namespace = $db->escape($namespace);
$sql = "SELECT * FROM " . table_prefix . "pages WHERE urlname = '$page_id' AND namespace = '$namespace';";
}
if ( !($q = $db->sql_query($sql)) )
{
$db->_die('PageManager selecting dataset for page');
}
if ( $db->numrows() < 1 )
{
echo '<div class="error-box">
' . $lang->get('acppm_err_page_not_found') . '
</div>';
break;
}
if ( $db->numrows() > 1 )
{
// Ambiguous results
if ( isset($_REQUEST['pid_search']) )
{
echo '<h3>' . $lang->get('acppm_msg_results_ambiguous_title') . '</h3>';
echo '<p>' . $lang->get('acppm_msg_results_ambiguous_body') . '</p>';
echo '<ul>';
while ( $row = $db->fetchrow($q) )
{
echo '<li>';
$pathskey = $paths->nslist[$row['namespace']] . $row['urlname'];
$edit_url = makeUrlNS('Special', 'Administration', "module={$paths->nslist['Admin']}PageManager&action=select&page_id=$pathskey", true);
$view_url = makeUrlNS($row['namespace'], $row['urlname']);
$page_name = htmlspecialchars(get_page_title_ns( $row['urlname'], $row['namespace'] ));
$view_link = $lang->get('acppm_ambig_btn_viewpage');
echo "<a href=\"$edit_url\">$page_name</a> (<a onclick=\"window.open(this.href); return false;\" href=\"$view_url\">$view_link</a>)";
echo '</li>';
}
echo '</ul>';
$show_select = false;
break;
}
else
{
echo '<p>' . $lang->get('acppm_err_ambig_absolute') . '</p>';
break;
}
}
// From this point on we can assume that exactly one matching page was found.
$dataset = $db->fetchrow();
$page_id = $dataset['urlname'];
$namespace = $dataset['namespace'];
// This is used to re-determine the page ID after submit.
$pathskey = $paths->nslist[$namespace] . sanitize_page_id($page_id);
// The extra switch allows us to break out of the save routine if needed
switch ( $act )
{
case 'save':
$errors = array();
$page_id_changed = false;
$namespace_changed = false;
// Backup the dataset to avoid redundantly updating values
$dataset_backup = $dataset;
// We've elected to save the page. The angle of attack here is to validate each form field,
// and if the field validates successfully, change the value in $dataset accordingly.
// Field: page name
$page_name = $_POST['page_name'];
$page_name = trim($page_name);
if ( empty($page_name) )
{
$errors[] = $lang->get('acppm_err_invalid_page_name');
}
else
{
$dataset['name'] = $page_name;
}
// Field: page URL string
$page_urlname = $_POST['page_urlname'];
$page_urlname = trim($_POST['page_urlname']);
if ( empty($page_urlname) && !have_blank_urlname_page() )
{
$errors[] = $lang->get('acppm_err_invalid_url_string');
}
else
{
$page_id_changed = ( $_POST['page_urlname'] !== $dataset['urlname'] );
$dataset['urlname'] = sanitize_page_id($page_urlname);
}
// Field: namespace
$namespace_new = $_POST['page_namespace'];
if ( !isset($paths->nslist[ $namespace ]) )
{
$errors[] = $lang->get('acppm_err_invalid_namespace');
}
else
{
$namespace_changed = ( $_POST['page_namespace'] !== $dataset['namespace'] );
$dataset['namespace'] = $namespace_new;
}
// Field: comments enabled
$dataset['comments_on'] = ( isset($_POST['comments_on']) ) ? 1 : 0;
// Field: page visible
$dataset['visible'] = ( isset($_POST['visible']) ) ? 1 : 0;
// Field: standalone page
$dataset['special'] = ( isset($_POST['special']) ) ? 1 : 0;
// Field: page protection
$protect_level = $_POST['protected'];
if ( !in_array($protect_level, array('0', '1', '2')) )
{
$errors[] = $lang->get('acppm_err_invalid_protection');
}
else
{
$dataset['protected'] = intval($protect_level);
}
// Field: wiki mode
$wiki_mode = $_POST['wikimode'];
if ( !in_array($wiki_mode, array('0', '1', '2')) )
{
$errors[] = $lang->get('acppm_err_invalid_wiki_mode');
}
else
{
$dataset['wiki_mode'] = intval($wiki_mode);
}
if ( count($errors) < 1 )
{
// We're free of errors. Build a SQL query to update the page table.
$particles = array();
foreach ( $dataset as $key => $value )
{
if ( $value === $dataset_backup[$key] || ( is_int($value) && $value === intval($dataset_backup[$key]) ) )
continue;
if ( is_int($value) )
{
$particle = "$key = $value";
}
else
{
$value = $db->escape($value);
$particle = "$key = '$value'";
}
$particles[] = $particle;
unset($particle);
}
$page_id_new = $db->escape($dataset['urlname']);
$namespace_new = $db->escape($dataset['namespace']);
// Only run the update query if at least one field was changed.
if ( count($particles) > 0 )
{
$particles = implode(', ', $particles);
$page_id_db = $db->escape($page_id);
$namespace_db = $db->escape($namespace);
$sql = 'UPDATE ' . table_prefix . "pages SET $particles WHERE urlname = '$page_id_db' AND namespace = '$namespace_db';";
if ( !$db->sql_query($sql) )
$db->_die('PageManager running primary update query');
// Did we change the page ID or namespace? If so we need to also change logs, comments, tags, etc.
if ( $page_id_changed || $namespace_changed )
{
$sql = array(
'UPDATE ' . table_prefix . "logs SET page_id = '$page_id_new', namespace = '$namespace_new' WHERE page_id = '$page_id_db' AND namespace = '$namespace_db';",
'UPDATE ' . table_prefix . "tags SET page_id = '$page_id_new', namespace = '$namespace_new' WHERE page_id = '$page_id_db' AND namespace = '$namespace_db';",
'UPDATE ' . table_prefix . "comments SET page_id = '$page_id_new', namespace = '$namespace_new' WHERE page_id = '$page_id_db' AND namespace = '$namespace_db';",
'UPDATE ' . table_prefix . "page_text SET page_id = '$page_id_new', namespace = '$namespace_new' WHERE page_id = '$page_id_db' AND namespace = '$namespace_db';",
'UPDATE ' . table_prefix . "categories SET page_id = '$page_id_new', namespace = '$namespace_new' WHERE page_id = '$page_id_db' AND namespace = '$namespace_db';",
'UPDATE ' . table_prefix . "files SET page_id = '$page_id_new', filename = '$page_id_new' WHERE page_id = '$page_id_db';"
);
foreach ( $sql as $q )
{
if ( !$db->sql_query($q) )
$db->_die('PageManager running slave update query after page ID/namespace change');
}
// If we're going File -> other, remove files
if ( $namespace_db === 'File' && $namespace_new !== 'File' )
{
PageUtils::delete_page_files($page_id);
}
}
// Did we change the name of the page? If so, make PageProcessor log it
if ( $dataset_backup['name'] != $dataset['name'] )
{
$page = new PageProcessor($page_id_new, $namespace_new);
$page->rename_page($dataset['name']);
}
// Finally, clear the metadata cache
$cache->purge('page_meta');
}
// Did the user ask to delete the page?
// I know it's a bit pointless to delete the page only after validating and processing the whole form, but what the heck :)
if ( isset($_POST['delete']) )
{
PageUtils::deletepage($page_id_new, $namespace_new, $lang->get('acppm_delete_reason'));
}
echo '<div class="info-box">' . $lang->get('acppm_msg_save_success', array( 'viewpage_url' => makeUrlNS($dataset['namespace'], $dataset['urlname']) )) . '</div>';
break 2;
}
break;
}
$tpl_code = <<<TPLCODE
<div class="tblholder">
<table border="0" cellspacing="1" cellpadding="4">
<tr>
<th colspan="2">
{lang:acppm_heading_editing} "{PAGE_NAME}"
</th>
</tr>
<tr>
<td class="row2">
{lang:acppm_lbl_page_name}
</td>
<td class="row1">
<input type="text" name="page_name" value="{PAGE_NAME}" size="40" />
</td>
</tr>
<tr>
<td class="row2">
{lang:acppm_lbl_page_urlname}<br />
<small>{lang:acppm_lbl_page_urlname_hint}</small>
</td>
<td class="row1">
<input type="text" name="page_urlname" value="{PAGE_URLNAME}" size="40" />
</td>
</tr>
<tr>
<td class="row2">
{lang:acppm_lbl_namespace}
</td>
<td class="row1">
<select name="page_namespace">
{NAMESPACE_LIST}</select>
<!-- BEGIN is_file -->
<br />
{lang:acppm_msg_file_ns_warning}
<!-- END is_file -->
</td>
</tr>
<tr>
<th colspan="2" class="subhead">
{lang:acppm_heading_advanced}
</th>
</tr>
<tr>
<td class="row2">
{lang:acppm_lbl_enable_comments_title}
</td>
<td class="row1">
<label>
<input type="checkbox" name="comments_on" <!-- BEGIN comments_enabled -->checked="checked" <!-- END comments_enabled -->/>
{lang:acppm_lbl_enable_comments}
</label>
<br />
<small>{lang:acppm_lbl_enable_comments_hint}</small>
</td>
</tr>
<tr>
<td class="row2">
{lang:acppm_lbl_special_title}
</td>
<td class="row1">
<label>
<input type="checkbox" name="special" <!-- BEGIN special -->checked="checked" <!-- END special -->/>
{lang:acppm_lbl_special}
</label>
<br />
<small>{lang:acppm_lbl_special_hint}</small>
</td>
</tr>
<tr>
<td class="row2">
{lang:acppm_lbl_visible_title}
</td>
<td class="row1">
<label>
<input type="checkbox" name="visible" <!-- BEGIN visible -->checked="checked" <!-- END visible -->/>
{lang:acppm_lbl_visible}
</label>
<br />
<small>{lang:acppm_lbl_visible_hint}</small>
</td>
</tr>
<tr>
<td class="row2">
{lang:acppm_lbl_protected_title}
</td>
<td class="row1">
<label>
<input type="radio" name="protected" value="0" <!-- BEGIN protected_off -->checked="checked" <!-- END protected_off -->/>
{lang:acppm_lbl_protected_off}
</label>
<br />
<label>
<input type="radio" name="protected" value="1" <!-- BEGIN protected_on -->checked="checked" <!-- END protected_on -->/>
{lang:acppm_lbl_protected_on}
</label>
<br />
<label>
<input type="radio" name="protected" value="2" <!-- BEGIN protected_semi -->checked="checked" <!-- END protected_semi -->/>
{lang:acppm_lbl_protected_semi}
</label>
<br />
<small>{lang:acppm_lbl_protected_hint}</small>
</td>
</tr>
<tr>
<td class="row2">
{lang:acppm_lbl_wikimode_title}
</td>
<td class="row1">
<label>
<input type="radio" name="wikimode" value="0" <!-- BEGIN wikimode_off -->checked="checked" <!-- END wikimode_off -->/>
{lang:acppm_lbl_wikimode_off}
</label>
<br />
<label>
<input type="radio" name="wikimode" value="1" <!-- BEGIN wikimode_on -->checked="checked" <!-- END wikimode_on -->/>
{lang:acppm_lbl_wikimode_on}
</label>
<br />
<label>
<input type="radio" name="wikimode" value="2" <!-- BEGIN wikimode_global -->checked="checked" <!-- END wikimode_global -->/>
{lang:acppm_lbl_wikimode_global}
</label>
<br />
<small>{lang:acppm_lbl_wikimode_hint}</small>
</td>
</tr>
<tr>
<td class="row2">
{lang:acppm_lbl_delete_title}
</td>
<td class="row1">
<label>
<input type="checkbox" name="delete" />
{lang:acppm_lbl_delete}
</label>
<br />
<small>{lang:acppm_lbl_delete_hint}</small>
</td>
</tr>
<tr>
<th colspan="2" class="subhead">
<button name="action" value="save">
<b>{lang:etc_save_changes}</b>
</button>
<button name="action" value="nil">
<b>{lang:etc_cancel}</b>
</button>
</th>
</tr>
</table>
</div>
<input type="hidden" name="page_id" value="{PATHS_KEY}" />
TPLCODE;
$parser = $template->makeParserText($tpl_code);
$ns_list = '';
foreach ( $paths->nslist as $ns => $prefix )
{
// FIXME: Plugins need to specify whether they want Enano's regular PageProcessor
// to handle these pages, and whether such pages from namespaces created by plugins
// can be stored in the database or not.
if ( $ns == 'Special' || $ns == 'Admin' || $ns == 'Anonymous' )
continue;
$ns = htmlspecialchars($ns);
$prefix = htmlspecialchars($prefix);
if ( empty($prefix) )
$prefix = $lang->get('acppm_ns_article');
$sel = ( $dataset['namespace'] == $ns ) ? ' selected="selected"' : '';
$ns_list .= " <option value=\"$ns\"$sel>$prefix</option>\n ";
}
$parser->assign_vars(array(
'PAGE_NAME' => htmlspecialchars($dataset['name']),
'PAGE_URLNAME' => htmlspecialchars($dataset['urlname']),
'NAMESPACE_LIST' => $ns_list,
'PATHS_KEY' => $pathskey
));
$parser->assign_bool(array(
'comments_enabled' => ( $dataset['comments_on'] == 1 ),
'special' => ( $dataset['special'] == 1 ),
'visible' => ( $dataset['visible'] == 1 ),
'protected_off' => ( $dataset['protected'] == 0 ),
'protected_on' => ( $dataset['protected'] == 1 ),
'protected_semi' => ( $dataset['protected'] == 2 ),
'wikimode_off' => ( $dataset['wiki_mode'] == 0 ),
'wikimode_on' => ( $dataset['wiki_mode'] == 1 ),
'wikimode_global' => ( $dataset['wiki_mode'] == 2 ),
'is_file' => ( $dataset['namespace'] == 'File' )
));
if ( isset($errors) )
{
echo '<div class="error-box">';
echo $lang->get('acppm_err_header');
echo '<ul>';
echo '<li>' . implode('</li><li>', $errors) . '</li>';
echo '</ul>';
echo '</div>';
}
$form_action = makeUrlNS('Special', 'Administration', "module={$paths->nslist['Admin']}PageManager", true);
echo "<form action=\"$form_action\" method=\"post\">";
echo $parser->run();
echo "</form>";
$show_select = false;
break;
}
}
if ( $show_select )
{
echo '<p>' . $lang->get('acppm_hint') . '</p>';
// Show the search form
$form_action = makeUrlNS('Special', 'Administration', "module={$paths->nslist['Admin']}PageManager", true);
echo "<form action=\"$form_action\" method=\"post\">";
echo $lang->get('acppm_lbl_field_search') . ' ';
echo $template->pagename_field('page_id') . ' ';
echo '<input type="hidden" name="action" value="select" />';
echo '<input type="submit" name="pid_search" value="' . $lang->get('search_btn_search') . '" />';
echo "</form>";
// Grab all pages from the database and show a list of pages on the site
echo '<h3>' . $lang->get('acppm_heading_select_page_from_list') . '</h3>';
echo '<p>' . $lang->get('acppm_hint_select_page_from_list') . '</p>';
$q = $db->sql_query('SELECT COUNT(name) AS num_pages FROM ' . table_prefix . 'pages;');
if ( !$q )
$db->_die('PageManager doing initial page count');
list($num_pages) = $db->fetchrow_num();
$db->free_result();
$pg_start = ( isset($_GET['offset']) ) ? intval($_GET['offset']) : 0;
$q = $db->sql_query('SELECT urlname, name, namespace, ' . $num_pages . ' AS num_pages, ' . $pg_start . ' AS offset FROM ' . table_prefix . 'pages ORDER BY name ASC;');
if ( !$q )
$db->_die('PageManager doing main select query for page list');
// Paginate results
$html = paginate(
$q,
'{urlname}',
$num_pages,
makeUrlNS('Special', 'Administration', "module={$paths->nslist['Admin']}PageManager&offset=%s", false),
$pg_start,
99,
array('urlname' => 'admin_pagemanager_format_listing'),
'<div class="tblholder" style="height: 300px; clip: rect(0px, auto, auto, 0px); overflow: auto;">
<table border="0" cellspacing="1" cellpadding="4">',
' </table>
</div>'
);
echo $html;
}
}
function admin_pagemanager_format_listing($_, $row)
{
global $db, $session, $paths, $template, $plugins; // Common objects
static $cell_count = 0;
static $td_class = 'row1';
static $run_count = 0;
static $num_pages_floor = false;
if ( !$num_pages_floor )
{
$num_pages_floor = $row['num_pages'];
while ( $num_pages_floor % 99 > 0 )
$num_pages_floor--;
}
$return = '';
$run_count++;
$last_page = ( $row['offset'] == $num_pages_floor );
$last_run = ( ( $last_page && $run_count == $row['num_pages'] % 99 ) || $run_count == 99 );
if ( $cell_count == 0 )
{
$return .= "<tr>\n";
}
$title = get_page_title_ns($row['urlname'], $row['namespace']);
$pathskey = $paths->nslist[$row['namespace']] . $row['urlname'];
if ( isset($row['mode']) && $row['mode'] == 'edit' )
{
$url = makeUrlNS($row['namespace'], $row['urlname'], false, true) . '#do:edit';
}
else
{
$url = makeUrlNS('Special', 'Administration', "module={$paths->nslist['Admin']}PageManager&action=select&page_id=$pathskey", true);
}
$url = '<a href="' . $url . '">' . htmlspecialchars($title) . '</a>';
$return .= ' <td class="' . $td_class . '" style="width: 33%;">' . $url . '</td>' . "\n";
$cell_count++;
if ( $cell_count == 3 && !$last_run )
{
$cell_count = 0;
$td_class = ( $td_class == 'row2' ) ? 'row1' : 'row2';
$return .= "</tr>\n";
}
else if ( $last_run )
{
while ( $cell_count < 3 )
{
$return .= " <td class=\"{$td_class}\"></td>\n";
$cell_count++;
}
$return .= "</tr>\n";
}
return $return;
}
?>