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   1  <?php
   2  /**

   3   * special application_top for Paypal IPN payment method

   4   *

   5   * @package paymentMethod

   6   * @copyright Copyright 2003-2007 Zen Cart Development Team

   7   * @copyright Portions Copyright 2003 osCommerce

   8   * @license http://www.zen-cart.com/license/2_0.txt GNU Public License V2.0

   9   * @version $Id: ipn_application_top.php 6528 2007-06-25 23:25:27Z drbyte $

  10   */
  11  
  12  /**

  13   * boolean used to see if we are in the admin script, obviously set to false here.

  14   */
  15  define('IS_ADMIN_FLAG', false);
  16    error_reporting(0);
  17    $show_all_errors = false;
  18    $current_page_base = 'paypalipn';
  19    @ini_set("arg_separator.output","&");
  20  
  21  // Set the local configuration parameters - mainly for developers

  22    if (file_exists('includes/local/configure.php')) {
  23      include('includes/local/configure.php');
  24    }
  25  // include server parameters

  26    if (file_exists('includes/configure.php')) {
  27      include('includes/configure.php');
  28    }
  29  
  30    require ('includes/classes/class.base.php');
  31    require ('includes/classes/class.notifier.php');
  32    require ('includes/classes/class.phpmailer.php');
  33    require ('includes/classes/class.smtp.php');
  34    $zco_notifier = new notifier();
  35  
  36    require('includes/classes/db/' .DB_TYPE . '/query_factory.php');
  37    $db = new queryFactory();
  38    if ( !$db->connect(DB_SERVER, DB_SERVER_USERNAME, DB_SERVER_PASSWORD, DB_DATABASE, USE_PCONNECT, false) ) {
  39      die('Cannot connect to database. Please notify webmaster.');
  40      exit;
  41    }
  42  
  43  
  44  // set the type of request (secure or not)

  45    $request_type = (strtolower($_SERVER['HTTPS']) == 'on' || $_SERVER['HTTPS'] == '1' || strstr(strtoupper($_SERVER['HTTP_X_FORWARDED_BY']),'SSL') || strstr(strtoupper($_SERVER['HTTP_X_FORWARDED_HOST']),'SSL'))  ? 'SSL' : 'NONSSL';
  46  
  47  // set php_self in the local scope

  48    if (!isset($PHP_SELF)) $PHP_SELF = $_SERVER['PHP_SELF'];
  49  
  50  // include the list of project filenames

  51    require(DIR_WS_INCLUDES . 'filenames.php');
  52  
  53  // include the list of project database tables

  54    require(DIR_WS_INCLUDES . 'database_tables.php');
  55  
  56  // include the list of compatibility issues

  57    require(DIR_WS_FUNCTIONS . 'compatibility.php');
  58  
  59  // include the list of extra database tables and filenames

  60  //  include(DIR_WS_MODULES . 'extra_datafiles.php');

  61    if ($za_dir = @dir(DIR_WS_INCLUDES . 'extra_datafiles')) {
  62      while ($zv_file = $za_dir->read()) {
  63        if (preg_match('/\.php$/', $zv_file) > 0) {
  64          require(DIR_WS_INCLUDES . 'extra_datafiles/' . $zv_file);
  65        }
  66      }
  67      $za_dir->close();
  68    }
  69  
  70  // include the cache class

  71    require(DIR_WS_CLASSES . 'cache.php');
  72    $zc_cache = new cache;
  73  
  74    $configuration = $db->Execute('select configuration_key as cfgkey, configuration_value as cfgvalue
  75                                   from ' . TABLE_CONFIGURATION, '', true, 150);
  76  
  77    while (!$configuration->EOF) {
  78  //    define($configuration->fields['cfgkey'], $configuration->fields['cfgvalue']);

  79      define($configuration->fields['cfgkey'], $configuration->fields['cfgvalue']);
  80  //    echo $configuration->fields['cfgkey'] . '#';

  81      $configuration->MoveNext();
  82    }
  83  // Load the database dependant query defines

  84    if (file_exists(DIR_WS_CLASSES . 'db/' . DB_TYPE . '/define_queries.php')) {
  85      include(DIR_WS_CLASSES . 'db/' . DB_TYPE . '/define_queries.php');
  86    }
  87  
  88    if (  (defined('MODULE_PAYMENT_PAYPALWPP_DEBUGGING') && strstr(MODULE_PAYMENT_PAYPALWPP_DEBUGGING, 'Log')) ||
  89          (defined('MODULE_PAYMENT_PAYPAL_IPN_DEBUG') && strstr(MODULE_PAYMENT_PAYPAL_IPN_DEBUG, 'Log')) || 
  90          ($_POST['ppdebug'] == 'on' && strstr(EXCLUDE_ADMIN_IP_FOR_MAINTENANCE, $_SERVER['REMOTE_ADDR']))  ) {
  91      @ini_set('display_errors', E_ALL ^ E_NOTICE);
  92      error_reporting(E_ALL ^ E_NOTICE);
  93      $show_all_errors = true;
  94    }
  95  
  96  // define general functions used application-wide

  97    require(DIR_WS_FUNCTIONS . 'functions_general.php');
  98    require(DIR_WS_FUNCTIONS . 'html_output.php');
  99    require(DIR_WS_FUNCTIONS . 'functions_email.php');
 100    require(DIR_WS_FUNCTIONS . 'functions_ezpages.php');
 101  
 102  // load extra functions

 103    include(DIR_WS_MODULES . 'extra_functions.php');
 104  
 105  
 106  // set the top level domains

 107    $http_domain = zen_get_top_level_domain(HTTP_SERVER);
 108    $https_domain = zen_get_top_level_domain(HTTPS_SERVER);
 109    $current_domain = (($request_type == 'NONSSL') ? $http_domain : $https_domain);
 110    if (SESSION_USE_FQDN == 'False') $current_domain = '.' . $current_domain;
 111  
 112  
 113  // include shopping cart class

 114    require(DIR_WS_CLASSES . 'shopping_cart.php');
 115  
 116  
 117  // include navigation history class

 118    require(DIR_WS_CLASSES . 'navigation_history.php');
 119  
 120  // define how the session functions will be used

 121    require(DIR_WS_FUNCTIONS . 'sessions.php');
 122  
 123  // set the session name and save path

 124    zen_session_name('zenid');
 125    zen_session_save_path(SESSION_WRITE_DIRECTORY);
 126  
 127  // set the session cookie parameters

 128      session_set_cookie_params(0, '/', (zen_not_null($current_domain) ? $current_domain : ''));
 129  
 130  // set the session ID if it exists

 131     if (isset($_POST[zen_session_name()])) {
 132       zen_session_id($_POST[zen_session_name()]);
 133     } elseif ( ($request_type == 'SSL') && isset($_GET[zen_session_name()]) ) {
 134       zen_session_id($_GET[zen_session_name()]);
 135     }
 136  
 137  // start the session

 138    $session_started = false;
 139    if (SESSION_FORCE_COOKIE_USE == 'True') {
 140      zen_setcookie('cookie_test', 'please_accept_for_session', time()+60*60*24*30, '/', (zen_not_null($current_domain) ? $current_domain : ''));
 141  
 142      if (isset($_COOKIE['cookie_test'])) {
 143        zen_session_start();
 144        $session_started = true;
 145      }
 146    } elseif (SESSION_BLOCK_SPIDERS == 'True') {
 147      $user_agent = strtolower($_SERVER['HTTP_USER_AGENT']);
 148      $spider_flag = false;
 149  
 150      if (zen_not_null($user_agent)) {
 151        $spiders = file(DIR_WS_INCLUDES . 'spiders.txt');
 152  
 153        for ($i=0, $n=sizeof($spiders); $i<$n; $i++) {
 154          if (zen_not_null($spiders[$i])) {
 155            if (is_integer(strpos($user_agent, trim($spiders[$i])))) {
 156              $spider_flag = true;
 157              break;
 158            }
 159          }
 160        }
 161      }
 162  
 163      if ($spider_flag == false) {
 164        zen_session_start();
 165        $session_started = true;
 166      }
 167    } else {
 168      zen_session_start();
 169      $session_started = true;
 170    }
 171  
 172  /**

 173   * Begin processing. Add notice to log if logging enabled.

 174   */
 175    ipn_debug_email('IPN PROCESSING INITIATED. ' . "\n" . '*** Originating IP: ' . $_SERVER['REMOTE_ADDR'] . '  ' . (SESSION_IP_TO_HOST_ADDRESS == 'true' ? @gethostbyaddr($_SERVER['REMOTE_ADDR']) : '') . ($_SERVER['HTTP_USER_AGENT'] == '' ? '' : "\n" . '*** Browser/User Agent: ' . $_SERVER['HTTP_USER_AGENT']));
 176    
 177  // need to see if we are in test mode. If so then the data is going to come in as a GET string

 178    if (MODULE_PAYMENT_PAYPAL_TESTING == 'Test') {
 179      foreach ($_GET as $key=>$value) {
 180        $_POST[$key] = $value;
 181      }
 182    }  
 183    if (!$_POST) {
 184      ipn_debug_email('IPN FATAL ERROR :: No POST data available -- Most likely initiated by browser and not PayPal.' . "\n\n\n" . '     *** The rest of this log report can most likely be ignored !! ***' . "\n\n\n\n");
 185    }
 186    
 187    
 188    $session_post = isset($_POST['custom']) ? $_POST['custom'] : '=';
 189    $session_stuff = explode('=', $session_post);
 190    $ipnFoundSession = true;
 191    if (!$isECtransaction && !isset($_POST['parent_txn_id']) && ipn_get_stored_session($session_stuff) === false) {
 192      ipn_debug_email('IPN FATAL ERROR :: No saved session data available to build order from IPN. Cannot process this as an IPN-only transaction.'); 
 193      $ipnFoundSession = false;
 194    }
 195  // create the shopping cart & fix the cart if necesary

 196    if (!$_SESSION['cart']) {
 197      $_SESSION['cart'] = new shoppingCart;
 198    }
 199  
 200  
 201  // include currencies class and create an instance

 202    require (DIR_WS_CLASSES . 'currencies.php');
 203    $currencies = new currencies();
 204  
 205  
 206  // set the language

 207    if (!$_SESSION['language'] || isset($_GET['language'])) {
 208  
 209      require(DIR_WS_CLASSES . 'language.php');
 210  
 211      $lng = new language();
 212  
 213      if (isset($_GET['language']) && zen_not_null($_GET['language'])) {
 214        $lng->set_language($_GET['language']);
 215      } else {
 216        $lng->get_browser_language();
 217        $lng->set_language(DEFAULT_LANGUAGE);
 218      }
 219  
 220      $_SESSION['language'] = $lng->language['directory'];
 221      $_SESSION['languages_id'] = $lng->language['id'];
 222  
 223    }
 224  
 225  // Set theme related directories

 226    $sql = "select template_dir
 227            from " . TABLE_TEMPLATE_SELECT .
 228           " where template_language = '0'";
 229  
 230    $template_query = $db->Execute($sql);
 231  
 232    $template_dir = $template_query->fields['template_dir'];
 233  
 234    $sql = "select template_dir
 235            from " . TABLE_TEMPLATE_SELECT .
 236           " where template_language = '" . $_SESSION['languages_id'] . "'";
 237  
 238    $template_query = $db->Execute($sql);
 239  
 240    if ($template_query->RecordCount() > 0) {
 241        $template_dir = $template_query->fields['template_dir'];
 242    }
 243  //if (template_switcher_available=="YES") $template_dir = templateswitch_custom($current_domain);

 244    define('DIR_WS_TEMPLATE', DIR_WS_TEMPLATES . $template_dir . '/');
 245  
 246    define('DIR_WS_TEMPLATE_IMAGES', DIR_WS_TEMPLATE . 'images/');
 247    define('DIR_WS_TEMPLATE_ICONS', DIR_WS_TEMPLATE_IMAGES . 'icons/');
 248  
 249    require(DIR_WS_CLASSES . 'template_func.php');
 250    $template = new template_func(DIR_WS_TEMPLATE);
 251  
 252  // include the language translations

 253  // include template specific language files

 254    if (file_exists(DIR_WS_LANGUAGES . $template_dir . '/' . $_SESSION['language'] . '.php')) {
 255      $template_dir_select = $template_dir . '/';
 256  //die('Yes ' . DIR_WS_LANGUAGES . $template_dir . '/' . $_SESSION['language'] . '.php');

 257    } else {
 258  //die('NO ' . DIR_WS_LANGUAGES . $template_dir . '/' . $_SESSION['language'] . '.php');

 259      $template_dir_select = '';
 260    }
 261  
 262  
 263    include(DIR_WS_LANGUAGES . $template_dir_select . $_SESSION['language'] . '.php');
 264    ipn_debug_email('IPN NOTICE :: ipn_application_top -> language files okay');
 265  
 266  // include the extra language translations

 267    include(DIR_WS_MODULES . 'extra_definitions.php');
 268  
 269  // currency

 270    if (!$_SESSION['currency'] || isset($_GET['currency']) || ( (USE_DEFAULT_LANGUAGE_CURRENCY == 'true') && (LANGUAGE_CURRENCY != $_SESSION['currency']) ) ) {
 271      if (isset($_GET['currency'])) {
 272        if (!$_SESSION['currency'] = zen_currency_exists($_GET['currency'])) $_SESSION['currency'] = (USE_DEFAULT_LANGUAGE_CURRENCY == 'true') ? LANGUAGE_CURRENCY : DEFAULT_CURRENCY;
 273      } else {
 274        $_SESSION['currency'] = (USE_DEFAULT_LANGUAGE_CURRENCY == 'true') ? LANGUAGE_CURRENCY : DEFAULT_CURRENCY;
 275      }
 276    }
 277  ?>