WordPress/wp-admin/plugin-editor.php

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<?php
require_once('admin.php');
$title = __("Edit Plugins");
$parent_file = 'plugins.php';
wp_reset_vars(array('action', 'redirect', 'profile', 'error', 'warning', 'a', 'file'));
add_action( 'admin_head', 'theme_editor_css' );
function theme_editor_css(){
wp_admin_css( 'css/theme-editor' );
}
$plugins = get_plugins();
$plugin_files = array_keys($plugins);
if (empty($file)) {
$file = $plugin_files[0];
}
$file = validate_file_to_edit($file, $plugin_files);
$real_file = get_real_file_to_edit( PLUGINDIR . "/$file");
switch($action) {
case 'update':
check_admin_referer('edit-plugin_' . $file);
if ( !current_user_can('edit_plugins') )
wp_die('<p>'.__('You do not have sufficient permissions to edit templates for this blog.').'</p>');
$newcontent = stripslashes($_POST['newcontent']);
if (is_writeable($real_file)) {
$f = fopen($real_file, 'w+');
fwrite($f, $newcontent);
fclose($f);
// Deactivate so we can test it.
$current = get_option('active_plugins');
if ( in_array($file, $current) || isset($_POST['phperror']) ) {
if ( in_array($file, $current) ) {
array_splice($current, array_search( $file, $current), 1 ); // Array-fu!
update_option('active_plugins', $current);
}
wp_redirect(add_query_arg('_wpnonce', wp_create_nonce('edit-plugin-test_' . $file), "plugin-editor.php?file=$file&liveupdate=1"));
exit();
}
wp_redirect("plugin-editor.php?file=$file&a=te");
} else {
wp_redirect("plugin-editor.php?file=$file");
}
exit();
break;
default:
if ( !current_user_can('edit_plugins') )
wp_die('<p>'.__('You do not have sufficient permissions to edit plugins for this blog.').'</p>');
if ( $_GET['liveupdate'] ) {
check_admin_referer('edit-plugin-test_' . $file);
$current = get_option('active_plugins');
$plugin = $file;
if ( validate_file($plugin) )
wp_die(__('Invalid plugin.'));
if ( ! file_exists(ABSPATH . PLUGINDIR . '/' . $plugin) )
wp_die(__('Plugin file does not exist.'));
if (!in_array($plugin, $current)) {
wp_redirect("plugin-editor.php?file=$file&phperror=1"); // we'll override this later if the plugin can be included without fatal error
@include(ABSPATH . PLUGINDIR . '/' . $plugin);
$current[] = $plugin;
sort($current);
update_option('active_plugins', $current);
}
wp_redirect("plugin-editor.php?file=$file&a=te");
}
require_once('admin-header.php');
update_recently_edited(PLUGINDIR . "/$file");
if (!is_file($real_file))
$error = 1;
if (!$error) {
$f = fopen($real_file, 'r');
$content = fread($f, filesize($real_file));
$content = htmlspecialchars($content);
}
?>
<?php if (isset($_GET['a'])) : ?>
<div id="message" class="updated fade"><p><?php _e('File edited successfully.') ?></p></div>
<?php elseif (isset($_GET['phperror'])) : ?>
<div id="message" class="updated fade"><p><?php _e('This plugin has been deactivated because your changes resulted in a <strong>fatal error</strong>.') ?></p></div>
<?php endif; ?>
<div class="wrap">
<div class="bordertitle">
<h2 style="border: none; padding-bottom: 0px;"><?php _e('Plugin Editor'); ?></h2>
</div>
<div class="tablenav" style="margin-right: 210px;">
<div style="float: left;">
<big><strong><?php
if ( in_array($file, (array) get_option('active_plugins')) ) {
if (is_writeable($real_file)) {
echo sprintf(__('Editing <strong>%s</strong> (active)'), $file);
} else {
echo sprintf(__('Browsing <strong>%s</strong> (active)'), $file);
}
} else {
if (is_writeable($real_file)) {
echo sprintf(__('Editing <strong>%s</strong> (inactive)'), $file);
} else {
echo sprintf(__('Browsing <strong>%s</strong> (inactive)'), $file);
}
}
?></strong></big>
</div>
<br style="clear: both;" />
</div>
<br style="clear: both;" />
<div id="templateside">
<h3 id="bordertitle" style="margin-bottom: 10px;"><?php _e("Plugin Files"); ?></h3>
<h4 style="margin-bottom: 0px;"><?php _e('Plugins'); ?></h4>
<ul>
<?php foreach($plugin_files as $plugin_file) : ?>
<li><a href="plugin-editor.php?file=<?php echo "$plugin_file"; ?>"><?php echo $plugins[$plugin_file]['Name']; ?></a></li>
<?php endforeach; ?>
</ul>
</div>
<?php if (!$error) { ?>
<form name="template" id="template" action="plugin-editor.php" method="post">
<?php wp_nonce_field('edit-plugin_' . $file) ?>
<div><textarea cols="70" rows="25" name="newcontent" id="newcontent" tabindex="1"><?php echo $content ?></textarea>
<input type="hidden" name="action" value="update" />
<input type="hidden" name="file" value="<?php echo $file ?>" />
</div>
<?php if ( is_writeable($real_file) ) : ?>
<?php if ( in_array($file, (array) get_option('active_plugins')) ) { ?>
<p><?php _e('<strong>Warning:</strong> Making changes to active plugins is not recommended. If your changes cause a fatal error, the plugin will be automatically deactivated.'); ?></p>
<?php } ?>
<p class="submit">
<?php
if ( isset($_GET['phperror']) )
echo "<input type='hidden' name='phperror' value='1' /><input type='submit' name='submit' value='" . __('Update File and Attempt to Reactivate') . "' tabindex='2' />";
else
echo "<input type='submit' name='submit' value='" . __('Update File') . "' tabindex='2' />";
?>
</p>
<?php else : ?>
<p><em><?php _e('You need to make this file writable before you can save your changes. See <a href="http://codex.wordpress.org/Changing_File_Permissions">the Codex</a> for more information.'); ?></em></p>
<?php endif; ?>
</form>
<?php
} else {
echo '<div class="error"><p>' . __('Oops, no such file exists! Double check the name and try again, merci.') . '</p></div>';
}
?>
<div class="clear"> &nbsp; </div>
</div>
<?php
break;
}
include("admin-footer.php") ?>