Ticket #1641: plugin-editor.php

<?php
require_once('admin.php');

$title = __("Edit Plugins");
$parent_file = 'plugins.php';

$wpvarstoreset = array('action','redirect','profile','error','warning','a','file');
for ($i=0; $i<count($wpvarstoreset); $i += 1) {
        $wpvar = $wpvarstoreset[$i];
        if (!isset($$wpvar)) {
                if (empty($_POST["$wpvar"])) {
                        if (empty($_GET["$wpvar"])) {
                                $$wpvar = '';
                        } else {
                                $$wpvar = $_GET["$wpvar"];
                        }
                } else {
                        $$wpvar = $_POST["$wpvar"];
                }
        }
}

$plugins = get_plugins();

$plugin_files = array();
foreach($plugins as $plugin) {
        $plugin_files[] = $plugin['Filename'];
}

if (empty($file)) {
        $file = $plugin_files[0];
}

$file = validate_file_to_edit($file, $plugin_files);
$real_file = get_real_file_to_edit("wp-content/plugins/$file");

switch($action) {

case 'update':

        if ($user_level < 5) {
                die(__('<p>You have 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);
                header("Location: plugin-editor.php?file=$file&a=te");
        } else {
                header("Location: plugin-editor.php?file=$file");
        }

        exit();

break;

default:
        
        require_once('admin-header.php');
        if ($user_level <= 5) {
                die(__('<p>You have do not have sufficient permissions to edit plugins for this blog.</p>'));
        }

        update_recently_edited("wp-content/plugins/$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($_GET['a'])) : ?>
 <div class="updated"><p><?php _e('File edited successfully.') ?></p></div>
<?php endif; ?>
 <div class="wrap"> 
  <?php
        if (is_writeable($real_file)) {
                echo '<h2>' . sprintf(__('Editing <strong>%s</strong>'), $file) . '</h2>';
        } else {
                echo '<h2>' . sprintf(__('Browsing <strong>%s</strong>'), $file) . '</h2>';
        }
        ?>
        <div id="templateside">
<h3><?php _e('Plugin files') ?></h3>

<?php
if ($plugin_files) :
?>
  <ul>
<?php foreach($plugin_files as $plugin_file) :
        $plugin_data = implode('', file(ABSPATH . 'wp-content/plugins/' . $plugin_file));
        preg_match("|Plugin Name:(.*)|i", $plugin_data, $plugin_name); ?>
                 <li><a href="plugin-editor.php?file=<?php echo "$plugin_file"; ?>"><?php echo $plugin_name[1]; ?></a></li>
<?php endforeach; ?>
  </ul>
<?php endif; ?>
</div>
        <?php   if (!$error) { ?> 
  <form name="template" id="template" action="plugin-editor.php" method="post">
                 <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) ) : ?>
     <p class="submit">
<?php
        echo "<input type='submit' name='submit' value='        " . __('Update File') . " &raquo;' tabindex='2' />";
?>
</p>
<?php else : ?>
<p><em><?php _e('If this file was writable you could edit it.'); ?></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> 
<?php
break;
}

include("admin-footer.php") ?>