main.inc.php

<?php
/*
Plugin Name: piwigo_pem
Version: auto
Description: Piwigo extension manager
Plugin URI: 
Author: HWFord
Author URI: https://github.com/HWFord
Has Settings: false
*/

defined('PHPWG_ROOT_PATH') or die('Hacking attempt!');

if (basename(dirname(__FILE__)) != 'piwigo_pem')
{
  add_event_handler('init', 'piwigo_pem_error');
  function piwigo_pem_error()
  {
    global $page;
    $page['errors'][] = 'Piwigo extension manager folder name is incorrect, uninstall the plugin and rename it to "piwigo_pem"';
  }
  return;
}

// +-----------------------------------------------------------------------+
// | Define plugin constants                                               |
// +-----------------------------------------------------------------------+

if (!defined("PEM_ID"))
{
  define('PEM_ID', basename(dirname(__FILE__)));
}

if (!defined("PEM_PATH"))
{
  define('PEM_PATH' , PHPWG_PLUGINS_PATH . PEM_ID . '/');
}

if (!defined("PEM_DIR"))
{
  define('PEM_DIR', PHPWG_ROOT_PATH . 'plugins/piwigo_pem/');
}

include_once(PEM_PATH . 'include/constants.inc.php');
// +-----------------------------------------------------------------------+
// | Add event handlers                                                    |
// +-----------------------------------------------------------------------+

// we put these handlers "before" the test on index page (and the return) because
// whatever the page, we want to execute them

/**
 * add ws_methods
 */
add_event_handler('ws_add_methods', 'pem_ws_add_methods');
include_once(PEM_PATH . 'include/ws_functions.inc.php');

/**
 * Use plugin tpl for identification, register, password
 * Use php provided by Piwigo
 */
if (in_array(script_basename(), array('identification', 'register', 'password')))
{
  add_event_handler('init', 'replace_header_init');
  function replace_header_init()
  {
    global $template;
    $pem_root_url_pem = get_absolute_root_url() . 'plugins/piwigo_pem/';
    
    $template->assign(
      array(
        'PEM_ROOT_URL_PLUGINS' => $pem_root_url_pem,
        'PEM_ROOT_URL' => get_absolute_root_url(),
      )
    );
    $template->smarty->setTemplateDir(PEM_DIR.'template');
  }
}

/**
 * plugin initialization
 */

if (script_basename() != 'index') {
  return;
}

// adapt language depending on url
add_event_handler('user_init', 'pem_user_init');
function pem_user_init()
{
  global $user, $page;
  $page['porg_domain_prefix'] = '';
  $user['language'] = 'en_UK'  ;

  $raw_url = $_SERVER['HTTP_HOST'].$_SERVER['SCRIPT_NAME'];

  // what is the subdomain, if any?
  if (preg_match('#([a-z]{2,3})\.piwigo\.org#', $raw_url, $matches))
  {
      $subdomain = $matches[1];
      include(PEM_PATH . '/data/languages.data.php');

      if (isset($porg_subdomains[$subdomain]))
      {
          $page['porg_domain_prefix'] = $subdomain.'.';
          $user['language'] = $porg_subdomains[$subdomain];
      }
  }
}

//Init pem functions
add_event_handler('init', 'pem_init');
function pem_init()
{
  global $lang;

  include_once(PEM_PATH . 'include/functions_pem.php');

  //Load languages
  /* Load en_GB translation */
  load_language('common.lang', PEM_PATH, array('language' => 'en_GB', 'no_fallback' => true));
  /* Load user language translation */
  load_language('common.lang', PEM_PATH);
}

/**
 * Load PEM header
 */
add_event_handler('init', 'pem_load_header');
function pem_load_header()
{
  global $template, $page, $lang, $user;

  $pem_root = '';
  $pem_root_url = get_absolute_root_url();
  $pem_root_url_pem = get_absolute_root_url() . PEM_PATH;
  $template->set_template_dir(PEM_PATH);
  $template->set_filenames(array('header_pem' => realpath(PEM_PATH .'template/header.tpl')));
  include(PEM_PATH . '/include/navbar.inc.php');

  $template->assign(
    array(
      'PEM_ROOT' => $pem_root,
      'PEM_ROOT_URL' => $pem_root_url,
      'PEM_ROOT_URL_PLUGINS' => $pem_root_url_pem,
      'URL' => pem_get_page_urls(),
      'PEM_DOMAIN_PREFIX' => $page['porg_domain_prefix'],
    )
  );
}

/**
 * Load Pem content
 */
add_event_handler('init', 'pem_load_content');
function pem_load_content(){
  global $template, $lang, $user, $page, $lang_info, $conf;

  $meta_title = null;
  $meta_description = null;

  // Common
  // Language selection
  include_once(PEM_PATH . 'include/functions_language.inc.php');
  $interface_languages = get_interface_languages();

  $template->assign('languages', $interface_languages);

  if (isset($_GET['cid']))
  {
    check_input_parameter('cid',$_GET, false,"/^\\d+$/",true);
    //cid is category ID so display list view of extensions
    include(PEM_PATH . '/include/list_view.inc.php');
  }
  else if (isset($_GET['eid']))
  {
    check_input_parameter('eid',$_GET, false,"/^\\d+$/",true);
    //eid is extension ID so display single view of extension
    include(PEM_PATH . '/include/single_view.inc.php');
  }
  else if (isset($_GET['uid']))
  {
    check_input_parameter('uid',$_GET, false,"/^\\d+$/", true);
    //uid is extension ID so display account
    include(PEM_PATH . '/include/account.inc.php');
  }
  else
  {
    if (count($_GET) > 0)
    {
      $template->set_filenames(array('pem_page' => realpath(PEM_PATH . 'template/' . '404.tpl')));
      if (file_exists(PEM_PATH . '/include/404.inc.php'))
      {
        include(PEM_PATH . '/include/404.inc.php');
      }
    }
    else
    {
      $template->set_filenames(array('pem_page' => realpath(PEM_PATH . 'template/' . 'home.tpl')));
      if (file_exists(PEM_PATH . '/include/home.inc.php'))
      {
        include(PEM_PATH . '/include/home.inc.php');
      }
    }
  }

  /**
   * force refresh of all pem cache
   */

  if (isset($_GET['refresh_cache']) && $_GET['refresh_cache'] == conf_get_param('pem_refresh_cache_key', 'please'))
  {
    include_once(PHPWG_ROOT_PATH.'admin/include/functions.php');
    deltree($conf['data_location'].PEM_ID);
  }

  $template->assign(
    array(
        'meta_title' => $meta_title,
        'meta_description' => $meta_description,
        'active_page' => isset($pem_page) ? $pem_page : "home",
    )
  );
}

/**
 * Load Pem footer
 */
add_event_handler('init', 'pem_load_footer');
function pem_load_footer(){
  global $template;

  $porg_root_url = get_absolute_root_url();

  $template->assign(array(
    'CURRENT_YEAR' => date('Y'),
  ));

  $template->parse('header_pem');
  $template->parse('navbar_pem');
  $template->parse('pem_page');
  $template->p();

  include_once(PEM_PATH . 'include/footer.inc.php');
  exit();

}