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   1  <?php
   2  
   3  /*
   4   * Nucleus: PHP/MySQL Weblog CMS (http://nucleuscms.org/)
   5   * Copyright (C) 2002-2007 The Nucleus Group
   6   *
   7   * This program is free software; you can redistribute it and/or
   8   * modify it under the terms of the GNU General Public License
   9   * as published by the Free Software Foundation; either version 2
  10   * of the License, or (at your option) any later version.
  11   * (see nucleus/documentation/index.html#license for more info)
  12   */
  13  /**
  14   * @license http://nucleuscms.org/license.txt GNU General Public License
  15   * @copyright Copyright (C) 2002-2007 The Nucleus Group
  16   * @version $Id: vars4.0.6.php 1153 2007-05-20 23:18:22Z kaigreve $
  17   */
  18  
  19  /**
  20    * The purpose of the functions below is to avoid declaring HTTP_ vars to be global
  21    * everywhere, plus to offer support for php versions before 4.1.0, that do not
  22    * have the _GET etc vars
  23    */
  24  function getVar($name) {
  25      global $HTTP_GET_VARS;
  26  
  27      if (!isset($HTTP_GET_VARS[$name])) {
  28          return;
  29      }
  30  
  31      return undoMagic($HTTP_GET_VARS[$name]);
  32  }
  33  
  34  function postVar($name) {
  35      global $HTTP_POST_VARS;
  36  
  37      if (!isset($HTTP_POST_VARS[$name])) {
  38          return;
  39      }
  40  
  41      return undoMagic($HTTP_POST_VARS[$name]);
  42  }
  43  
  44  function cookieVar($name) {
  45      global $HTTP_COOKIE_VARS;
  46  
  47      if (!isset($HTTP_COOKIE_VARS[$name])) {
  48          return;
  49      }
  50  
  51      return undoMagic($HTTP_COOKIE_VARS[$name]);
  52  }
  53  
  54  // request: either POST or GET
  55  function requestVar($name) {
  56      return (postVar($name)) ? postVar($name) : getVar($name);
  57  }
  58  
  59  function serverVar($name) {
  60      global $HTTP_SERVER_VARS;
  61  
  62      if (!isset($HTTP_SERVER_VARS[$name])) {
  63          return;
  64      }
  65  
  66      return $HTTP_SERVER_VARS[$name];
  67  }
  68  
  69  // removes magic quotes if that option is enabled
  70  function undoMagic($data) {
  71      if (!get_magic_quotes_gpc())
  72          return $data;
  73      if (ini_get('magic_quotes_sybase') != 1)
  74          return stripslashes_array($data);
  75      else
  76          return undoSybaseQuotes_array($data);
  77  }
  78  
  79  function stripslashes_array($data) {
  80      return is_array($data) ? array_map('stripslashes_array', $data) : stripslashes($data);
  81  }
  82  
  83  function undoSybaseQuotes_array($data) {
  84      return is_array($data) ? array_map('undoSybaseQuotes', $data) : stripslashes($data);
  85  }
  86  
  87  function undoSybaseQuotes($data) {
  88      return str_replace("''", "'", $data);
  89  }
  90  
  91  // integer array from request
  92  function requestIntArray($name) {
  93      global $HTTP_POST_VARS;
  94  
  95      if (!isset($HTTP_POST_VARS[$name])) {
  96          return;
  97      }
  98  
  99      return $HTTP_POST_VARS[$name];
 100  }
 101  
 102  // array from request. Be sure to call undoMagic on the strings inside
 103  function requestArray($name) {
 104      global $HTTP_POST_VARS;
 105  
 106      if (!isset($HTTP_POST_VARS[$name])) {
 107          return;
 108      }
 109  
 110      return $HTTP_POST_VARS[$name];
 111  }
 112  
 113  
 114  // add all the variables from the request as hidden input field
 115  // @see globalfunctions.php#passVar
 116  function passRequestVars() {
 117      global $HTTP_POST_VARS, $HTTP_GET_VARS;
 118      foreach ($HTTP_POST_VARS as $key => $value) {
 119          if (($key == 'action') && ($value != requestVar('nextaction')))
 120              $key = 'nextaction';
 121          // a nextaction of 'showlogin' makes no sense
 122          if (($key == 'nextaction') && ($value == 'showlogin'))
 123              continue;
 124          if (($key != 'login') && ($key != 'password'))
 125              passVar($key, $value);
 126      }
 127      foreach ($HTTP_GET_VARS as $key => $value) {
 128          if (($key == 'action') && ($value != requestVar('nextaction')))
 129              $key = 'nextaction';
 130          // a nextaction of 'showlogin' makes no sense
 131          if (($key == 'nextaction') && ($value == 'showlogin'))
 132              continue;
 133          if (($key != 'login') && ($key != 'password'))
 134              passVar($key, $value);
 135      }
 136  }
 137  
 138  function postFileInfo($name) {
 139      global $HTTP_POST_FILES;
 140  
 141      if (!isset($HTTP_POST_FILES[$name])) {
 142          return;
 143      }
 144  
 145      return $HTTP_POST_FILES[$name];
 146  }
 147  
 148  function setOldAction($value) {
 149      global $HTTP_POST_VARS;
 150      $HTTP_POST_VARS['oldaction'] = $value;
 151  }
 152  
 153  ?>