header_php.php

Zen Cart是真正的电子商务艺术

<?php
/**
 * @package Installer
 * @access private
 * @copyright Copyright 2003-2007 Zen Cart Development Team
 * @copyright Portions Copyright 2003 osCommerce
 * @license http://www.zen-cart.com/license/2_0.txt GNU Public License V2.0
 * @version $Id: header_php.php 7421 2007-11-11 09:20:27Z drbyte $
 *
 * @TODO - http://dev.mysql.com/doc/refman/5.0/en/user-resources.html
 */

  $advanced_mode = (isset($_GET['adv'])) ? true : false;

  $zen_cart_previous_version_installed = false;
  $zen_cart_database_connect_OK = false;
  $zen_cart_allow_database_upgrade = false;
  $zdb_sql_cache = '';
  $configWriteOverride = (isset($_GET['overrideconfig'])) ? true : false;
  if (file_exists('../includes/configure.php')) {
    // read the existing configure.php file(s) to get values and guess whether it looks like a valid prior install
    if (zen_read_config_value('HTTP_SERVER')      == 'http://localhost') $zen_cart_previous_version_installed = 'maybe';
    if (zen_read_config_value('DIR_FS_CATALOG')   == '/var/www/html/') $zen_cart_previous_version_installed = 'maybe';
    if (zen_read_config_value('HTTP_SERVER')      != '' ) $zen_cart_previous_version_installed = true;
    if (zen_read_config_value('DIR_WS_CLASSES')   != '' ) $zen_cart_previous_version_installed = true;
    if (zen_read_config_value('DIR_FS_CATALOG')   != '' ) $zen_cart_previous_version_installed = true;
    if (strpos(zen_read_config_value('DIR_FS_SQL_CACHE'),'/path/to/')>0) $zen_cart_previous_version_installed = false;
    if (zen_read_config_value('DB_DATABASE')      == '' ) $zen_cart_previous_version_installed = false;
  
    //read the configure.php file and look for hints that it's just a copy of dist-configure.php
    $lines = file('../includes/configure.php');
    foreach ($lines as $line) {
      if (substr_count($line,'dist-configure.php') > 0) $zen_cart_previous_version_installed = false;
    } //end foreach
  
    $zdb_type     = zen_read_config_value('DB_TYPE');
    $zdb_prefix   = zen_read_config_value('DB_PREFIX');
    $zdb_server   = zen_read_config_value('DB_SERVER');
    $zdb_user     = zen_read_config_value('DB_SERVER_USERNAME');
    $zdb_pwd      = zen_read_config_value('DB_SERVER_PASSWORD');
    $zdb_name     = zen_read_config_value('DB_DATABASE');
    $zdb_sql_cache= zen_read_config_value('DIR_FS_SQL_CACHE');
    if (strpos($zdb_sql_cache,'/path/to/')>0) $zdb_sql_cache=''; // /path/to/ comes from dist-configure.php. Invalid, thus make null.
  
    if (ZC_UPG_DEBUG==true) {
      echo 'db-type=' . $zdb_type . '<br>';
      echo 'db-prefix=' . $zdb_prefix . '<br>';
      echo 'db-host=' . $zdb_server . '<br>';
      echo 'db-name=' . $zdb_name . '<br>';
      echo 'db-user=' . $zdb_user . '<br>';
      echo 'cache_folder=' . $zdb_sql_cache . '<br>';
    }
  
    define('DIR_FS_CATALOG', '../');
    define('DB_TYPE', 'mysql');
    define('SQL_CACHE_METHOD', 'none');
    if ($zdb_type!='' && $zdb_name !='') {
      // now check database connectivity
      require('../includes/' . 'classes/db/' . $zdb_type . '/query_factory.php');
  
      $zc_install->functionExists($zdb_type, '', '');
      $zc_install->dbConnect($zdb_type, $zdb_server, $zdb_name, $zdb_user, $zdb_pwd, '', '');
      if ($zc_install->error == false) $zen_cart_database_connect_OK = true;
      if ($zc_install->error == true) { 
        $zen_cart_previous_version_installed = false;
        if (ZC_UPG_DEBUG==true) echo 'db-connection failed using the credentials supplied';
        if (ZC_UPG_DEBUG==true) $zc_install->logDetails('db-connection failed using the credentials supplied');
      }

      //reset error-check class after connection attempt
      $zc_install->error = false;
      $zc_install->fatal_error = false;
      $zc_install->error_list = array();
    } //endif check for db_type and db_name defined
  
    if ($zen_cart_database_connect_OK) { #1
      //open database connection to run queries against it
      $db_test = new queryFactory;
      $db_test->Connect($zdb_server, $zdb_user, $zdb_pwd, $zdb_name) or $zen_cart_database_connect_OK = false;
  
      if ($zen_cart_database_connect_OK) { //#2  This check is done again just in case connect fails on previous line
        //set database table prefix
        define('DB_PREFIX',$zdb_prefix);
        // Now check the database for what version it's at, if found
        require('includes/classes/class.installer_version_manager.php');
        $dbinfo = new versionManager;

        // Check to see whether we should offer the option to upgrade "database only", rather than rebuild configure.php files too.
        // For v1.2.1, the only check we need is whether we're at v1.2.0 already or not.
        // Future versions may require more extensive checking if the core configure.php files change.
        // NOTE: This flag is also used to determine whether or not we prevent moving to next screen if the configure.php files are not writable
        if ($dbinfo->found_version >= '1.2.0') {
          $zen_cart_allow_database_upgrade=true;
        }

      } //endif $zen_cart_database_connect_OK #2
    } //endif $zen_cart_database_connect_OK
  } else {
    $zen_cart_previous_version_installed = false;
    if (ZC_UPG_DEBUG==true) echo 'NOTE: Did not find existing configure.php file. Assuming fresh install.';
    if (ZC_UPG_DEBUG==true) $zc_install->logDetails('NOTE: Did not find existing configure.php file. Assuming fresh install.');
  } //endif exists configure.php
  
//  if ($check_count > 1) $zen_cart_version_already_installed = false; // if more than one test failed, it must be a fresh install
  
  if ($zen_cart_previous_version_installed == true && $zen_cart_database_connect_OK == true) {
    $is_upgradable = true;
  
    if ($dbinfo->zdb_configuration_table_found) {
      $zdb_version_message = sprintf(LABEL_PREVIOUS_VERSION_NUMBER, $dbinfo->found_version);
    } else {
      $zdb_version_message = LABEL_PREVIOUS_VERSION_NUMBER_UNKNOWN;
    }
  }
  
  
  
  
  
///////////////////////////////////
// Run System Pre-Flight Check:
///////////////////////////////////
  $status_check = array();
  $status_check2 = array();
  $dir_fs_www_root = $zc_install->detectDocumentRoot();
  //Structure is this:
  //$status_check[] = array('Importance' => '', 'Title' => '', 'Status' => '', 'Class' => '', 'HelpURL' =>'', 'HelpLabel'=>'');
  
  //WebServer OS as reported by env check
  $status_check[] = array('Importance' => 'Info', 'Title' => LABEL_WEBSERVER, 'Status' => getenv("SERVER_SOFTWARE"), 'Class' => 'NA', 'HelpURL' =>'', 'HelpLabel'=>'');
  
  //General info
  $status_check[] = array('Importance' => 'Info', 'Title' => LABEL_HTTP_HOST, 'Status' => $_SERVER['HTTP_HOST'], 'Class' => 'NA', 'HelpURL' =>'', 'HelpLabel'=>'');
  $path_trans = @$_SERVER['PATH_TRANSLATED'];
  $path_trans_display = $path_trans;
  if (empty($path_trans)) {
    $path_trans_display = $_SERVER['SCRIPT_FILENAME'] . '(SCRIPT_FILENAME)';
    $path_trans = $_SERVER['SCRIPT_FILENAME'];
  }
  $status_check[] = array('Importance' => 'Info', 'Title' => LABEL_PATH_TRANLSATED, 'Status' => $path_trans_display, 'Class' => 'NA', 'HelpURL' =>'', 'HelpLabel'=>'');

  $real_path = realpath(dirname(basename($PHP_SELF)).'/..');
  $status_check[] = array('Importance' => 'Info', 'Title' => LABEL_REALPATH, 'Status' => $real_path, 'Class' => 'NA', 'HelpURL' =>'', 'HelpLabel'=>'');

  //get list of disabled functions
  $disabled_funcs = ini_get("disable_functions");
  if (!strstr($disabled_funcs,'disk_free_space')) {
    // get free space on disk
    $disk_freespaceGB=round(@disk_free_space($path_trans)/1024/1024/1024,2);
    $disk_freespaceMB=round(@disk_free_space($path_trans)/1024/1024,2);
    if ($disk_freespaceGB >0) $status_check[] = array('Importance' => 'Info', 'Title' => LABEL_DISK_FREE_SPACE, 'Status' => $disk_freespaceGB . ' GB' . (($disk_freespaceGB==0) ? ' (can be ignored)' : ''), 'Class' => ($disk_freespaceMB<1000 && $disk_freespaceGB != 0)?'FAIL':'NA', 'HelpURL' =>'', 'HelpLabel'=>'');
  }

  // Operating System as reported by PHP:
  $status_check[] = array('Importance' => 'Optional', 'Title' => LABEL_PHP_OS, 'Status' => PHP_OS, 'Class' => 'NA', 'HelpURL' =>'', 'HelpLabel'=>'');
  
  //PHP mode (module, cgi, etc)
  $status_check[] = array('Importance' => 'Info', 'Title' => LABEL_PHP_API_MODE, 'Status' => @php_sapi_name(), 'Class' => (@strstr(php_sapi_name(),'cgi') ? 'WARN' : 'NA'), 'HelpURL' =>ERROR_CODE_PHP_AS_CGI, 'HelpLabel'=>ERROR_TEXT_PHP_AS_CGI);
  
  //Set Time Limit setting
  $set_time_limit = ini_get("max_execution_time");
  $status_check[] = array('Importance' => 'Info', 'Title' => LABEL_SET_TIME_LIMIT, 'Status' => $set_time_limit, 'Class' => 'NA', 'HelpURL' =>'', 'HelpLabel'=>'');
  
  //get list of disabled functions
  if (!zen_not_null($disabled_funcs)) $disabled_funcs = ini_get("disable_functions");
  if (zen_not_null($disabled_funcs)) $status_check[] = array('Importance' => 'Recommended', 'Title' => LABEL_DISABLED_FUNCTIONS, 'Status' => $disabled_funcs, 'Class' => (@substr_count($disabled_funcs,'set_time_limit') ? 'WARN' : 'NA'), 'HelpURL' =>ERROR_CODE_DISABLE_FUNCTIONS, ERROR_TEXT_DISABLE_FUNCTIONS);
  
  // Check Register Globals
  $register_globals = ini_get("register_globals");
  if ($register_globals == '' || $register_globals =='0' || strtoupper($register_globals) =='OFF') {
    $register_globals = OFF; // Having register globals "off" is more secure
    $this_class='OK';
  } else {
    $register_globals = "<span class='errors'>".ON.'</span>';
    $this_class='WARN';
  }