admin.php

<?php
/*
 *  Jirafeau, your web file repository
 *  Copyright (C) 2015  Jerome Jutteau <j.jutteau@gmail.com>
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as
 *  published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

define ('JIRAFEAU_ROOT', dirname (__FILE__) . '/');

require (JIRAFEAU_ROOT . 'lib/settings.php');
require (JIRAFEAU_ROOT . 'lib/functions.php');
require (JIRAFEAU_ROOT . 'lib/lang.php');

/* Check if installation is OK. */
if (file_exists (JIRAFEAU_ROOT . 'install.php')
    && !file_exists (JIRAFEAU_ROOT . 'lib/config.local.php'))
{
    header('Location: install.php');
    exit;
}

/* If called from CLI, no password or graphical interface */
if (php_sapi_name() == "cli") {
     if ((count($argv)>1) && $argv[1]=="clean_expired") {
          $total = jirafeau_admin_clean ();
          echo "$total expired files deleted.";
     }
     elseif ((count($argv)>1) && $argv[1]=="clean_async") {
          $total = jirafeau_admin_clean_async ();
          echo "$total old unfinished transfers deleted.";
     }
     else
     {
          die("No command found. Should be admin.php <clean_expired|clean_async>.");
     }
}
else
{
  /* Disable admin interface if we have a empty admin password. */
  if (empty($cfg['admin_password']) && empty($cfg['admin_http_auth_user']))
  {
      require (JIRAFEAU_ROOT . 'lib/template/header.php');
      echo '<div class="error"><p>'.
           t('Sorry, the admin interface is not enabled.') .
           '</p></div>';
      require (JIRAFEAU_ROOT.'lib/template/footer.php');
      exit;
  }

  /* Check session. */
  session_start();

  /* Unlog if asked. */
  if (isset ($_POST['action']) && (strcmp ($_POST['action'], 'logout') == 0))
      $_SESSION['admin_auth'] = false;

  /* Check classic admin password authentification. */
  if (isset ($_POST['admin_password']) && empty($cfg['admin_http_auth_user']))
  {
      if ($cfg['admin_password'] === $_POST['admin_password'] ||
          $cfg['admin_password'] === hash('sha256', $_POST['admin_password']))
          $_SESSION['admin_auth'] = true;
      else
      {
          $_SESSION['admin_auth'] = false;
          require (JIRAFEAU_ROOT . 'lib/template/header.php');
          echo '<div class="error"><p>'.
               t('Wrong password.') . '</p></div>';
          require (JIRAFEAU_ROOT.'lib/template/footer.php');
          exit;
      }
  }
  /* Ask for classic admin password authentification. */
  elseif ((!isset ($_SESSION['admin_auth']) || $_SESSION['admin_auth'] != true)
          && empty($cfg['admin_http_auth_user']))
  {
      require (JIRAFEAU_ROOT . 'lib/template/header.php'); ?>
      <form action = "<?php echo basename(__FILE__); ?>" method = "post">
      <fieldset>
          <table>
          <tr>
              <td class = "label"><label for = "enter_password">
              <?php echo t('Administration password') . ':';?></label>
              </td>
              <td class = "field"><input type = "password"
              name = "admin_password" id = "admin_password"
              size = "40" />
              </td>
          </tr>
          <tr class = "nav">
              <td></td>
              <td class = "nav next">
              <input type = "submit" name = "key" value =
              "<?php echo t('Login'); ?>" />
              </td>
          </tr>
          </table>
      </fieldset>
      </form>
      <?php
      require (JIRAFEAU_ROOT.'lib/template/footer.php');
      exit;
  }
  /* Check authenticated user if HTTP authentification is enable. */
  elseif ((!isset ($_SESSION['admin_auth']) || $_SESSION['admin_auth'] != true)
          && !empty($cfg['admin_http_auth_user']))
  {
      if ($cfg['admin_http_auth_user'] == $_SERVER['PHP_AUTH_USER'])
          $_SESSION['admin_auth'] = true;
  }

  /* Be sure that no one can access further without admin_auth. */
  if (!isset ($_SESSION['admin_auth']) || $_SESSION['admin_auth'] != true)
  {
           $_SESSION['admin_auth'] = false;
          require (JIRAFEAU_ROOT . 'lib/template/header.php');
          echo '<div class="error"><p>'.
           t('Sorry, you are not authenticated on admin interface.') .
           '</p></div>';
          require (JIRAFEAU_ROOT.'lib/template/footer.php');
          exit;
  }

  /* Operations may take a long time.
   * Be sure PHP's safe mode is off.
   */
  @set_time_limit(0);
  /* Remove errors. */
  @error_reporting(0);

  /* Show admin interface if not downloading a file. */
  if (!(isset ($_POST['action']) && strcmp ($_POST['action'], 'download') == 0))
  {
          require (JIRAFEAU_ROOT . 'lib/template/header.php');
          ?><h2><?php echo t('Admin interface'); ?></h2><?php
          ?><h2>(version <?php echo JIRAFEAU_VERSION ?>)</h2><?php

          ?><div id = "admin">
          <fieldset><legend><?php echo t('Actions');?></legend>
          <table>
          <form action = "<?php echo basename(__FILE__); ?>" method = "post">
          <tr>
              <input type = "hidden" name = "action" value = "clean"/>
              <td class = "info">
                  <?php echo t('Clean expired files'); ?>
              </td>
              <td></td>
              <td>
                  <input type = "submit" value = "<?php echo t('Clean'); ?>" />
              </td>
          </tr>
          </form>
          <form action = "<?php echo basename(__FILE__); ?>" method = "post">
          <tr>
              <input type = "hidden" name = "action" value = "clean_async"/>
              <td class = "info">
                  <?php echo t('Clean old unfinished transfers'); ?>
              </td>
              <td></td>
              <td>
                  <input type = "submit" value = "<?php echo t('Clean'); ?>" />
              </td>
          </tr>
          </form>
          <form action = "<?php echo basename(__FILE__); ?>" method = "post">
          <tr>
              <input type = "hidden" name = "action" value = "list"/>
              <td class = "info">
                  <?php echo t('List all files'); ?>
              </td>
              <td></td>
              <td>
                  <input type = "submit" value = "<?php echo t('List'); ?>" />
              </td>
          </tr>
          </form>
          <form action = "<?php echo basename(__FILE__); ?>" method = "post">
          <tr>
              <input type = "hidden" name = "action" value = "search_by_name"/>
              <td class = "info">
                  <?php echo t('Search files by name'); ?>
              </td>
              <td>
                  <input type = "text" name = "name" id = "name"/>
              </td>
              <td>
                  <input type = "submit" value = "<?php echo t('Search'); ?>" />
              </td>
          </tr>
          </form>
          <form action = "<?php echo basename(__FILE__); ?>" method = "post">
          <tr>
              <input type = "hidden" name = "action" value = "search_by_file_hash"/>
              <td class = "info">
                  <?php echo t('Search files by file hash'); ?>
              </td>
              <td>
                  <input type = "text" name = "hash" id = "hash"/>
              </td>
              <td>
                  <input type = "submit" value = "<?php echo t('Search'); ?>" />
              </td>
          </tr>
          </form>
          <form action = "<?php echo basename(__FILE__); ?>" method = "post">
          <tr>
              <input type = "hidden" name = "action" value = "search_link"/>
              <td class = "info">
                  <?php echo t('Search a specific link'); ?>
              </td>
              <td>
                  <input type = "text" name = "link" id = "link"/>
              </td>
              <td>
                  <input type = "submit" value = "<?php echo t('Search'); ?>" />
              </td>
          </tr>
          </form>
          </table>
          <form action = "<?php echo basename(__FILE__); ?>" method = "post">
              <input type = "hidden" name = "action" value = "logout" />
              <input type = "submit" value = "<?php echo t('Logout'); ?>" />
          </form>
          </fieldset></div><?php
  }

  /* Check for actions */
  if (isset ($_POST['action']))
  {
      if (strcmp ($_POST['action'], 'clean') == 0)
      {
          $total = jirafeau_admin_clean ();
          echo '<div class="message">' . NL;
          echo '<p>';
          echo t('Number of cleaned files') . ' : ' . $total;
          echo '</p></div>';
      }
      elseif (strcmp ($_POST['action'], 'clean_async') == 0)
      {
          $total = jirafeau_admin_clean_async ();
          echo '<div class="message">' . NL;
          echo '<p>';
          echo t('Number of cleaned files') . ' : ' . $total;
          echo '</p></div>';
      }
      elseif (strcmp ($_POST['action'], 'list') == 0)
      {
          jirafeau_admin_list ("", "", "");
      }
      elseif (strcmp ($_POST['action'], 'search_by_name') == 0)
      {
          jirafeau_admin_list ($_POST['name'], "", "");
      }
      elseif (strcmp ($_POST['action'], 'search_by_file_hash') == 0)
      {
          jirafeau_admin_list ("", $_POST['hash'], "");
      }
      elseif (strcmp ($_POST['action'], 'search_link') == 0)
      {
          jirafeau_admin_list ("", "", $_POST['link']);
      }
      elseif (strcmp ($_POST['action'], 'delete_link') == 0)
      {
          jirafeau_delete_link ($_POST['link']);
          echo '<div class="message">' . NL;
          echo '<p>' . t('Link deleted') . '</p></div>';
      }
      elseif (strcmp ($_POST['action'], 'delete_file') == 0)
      {
          $count = jirafeau_delete_file ($_POST['md5']);
          echo '<div class="message">' . NL;
          echo '<p>' . t('Deleted links') . ' : ' . $count . '</p></div>';
      }
      elseif (strcmp ($_POST['action'], 'download') == 0)
      {
          $l = jirafeau_get_link ($_POST['link']);
          if (!count ($l))
              return;
          $p = s2p ($l['md5']);
          header ('Content-Length: ' . $l['file_size']);
          header ('Content-Type: ' . $l['mime_type']);
          header ('Content-Disposition: attachment; filename="' .
                  $l['file_name'] . '"');
          if (file_exists(VAR_FILES . $p . $l['md5']))
              readfile (VAR_FILES . $p . $l['md5']);
          exit;
      }
  }

  require (JIRAFEAU_ROOT.'lib/template/footer.php');
}
?>