[Sommaire] [Imprimer]

   1  <?php
   2  //

   3  // +----------------------------------------------------------------------+

   4  // |zen-cart Open Source E-commerce                                       |

   5  // +----------------------------------------------------------------------+

   6  // | Copyright (c) 2003 The zen-cart developers                           |

   7  // |                                                                      |

   8  // | http://www.zen-cart.com/index.php                                    |

   9  // |                                                                      |

  10  // | Portions Copyright (c) 2003 osCommerce                               |

  11  // +----------------------------------------------------------------------+

  12  // | This source file is subject to version 2.0 of the GPL license,       |

  13  // | that is bundled with this package in the file LICENSE, and is        |

  14  // | available through the world-wide-web at the following url:           |

  15  // | http://www.zen-cart.com/license/2_0.txt.                             |

  16  // | If you did not receive a copy of the zen-cart license and are unable |

  17  // | to obtain it through the world-wide-web, please send a note to       |

  18  // | license@zen-cart.com so we can mail you a copy immediately.          |

  19  // +----------------------------------------------------------------------+

  20  //  $Id: upload.php 1969 2005-09-13 06:57:21Z drbyte $

  21  //

  22  
  23    class upload {
  24      var $file, $filename, $destination, $permissions, $extensions, $tmp_filename, $message_location;
  25  
  26      function upload($file = '', $destination = '', $permissions = '777', $extensions = '') {
  27        $this->set_file($file);
  28        $this->set_destination($destination);
  29        $this->set_permissions($permissions);
  30        $this->set_extensions($extensions);
  31  
  32        $this->set_output_messages('direct');
  33  
  34        if (zen_not_null($this->file) && zen_not_null($this->destination)) {
  35          $this->set_output_messages('session');
  36  
  37          if ( ($this->parse() == true) && ($this->save() == true) ) {
  38            return true;
  39          } else {
  40  // self destruct

  41             while(list($key,) = each($this)) {
  42               $this->$key = null;
  43             }
  44  
  45            return false;
  46          }
  47        }
  48      }
  49  
  50      function parse() {
  51        global $messageStack;
  52  
  53        if (isset($_FILES[$this->file])) {
  54          $file = array('name' => $_FILES[$this->file]['name'],
  55                        'type' => $_FILES[$this->file]['type'],
  56                        'size' => $_FILES[$this->file]['size'],
  57                        'tmp_name' => $_FILES[$this->file]['tmp_name']);
  58        } elseif (isset($GLOBALS['HTTP_POST_FILES'][$this->file])) {
  59          global $HTTP_POST_FILES;
  60  
  61          $file = array('name' => $HTTP_POST_FILES[$this->file]['name'],
  62                        'type' => $HTTP_POST_FILES[$this->file]['type'],
  63                        'size' => $HTTP_POST_FILES[$this->file]['size'],
  64                        'tmp_name' => $HTTP_POST_FILES[$this->file]['tmp_name']);
  65        } else {
  66          $file = array('name' => (isset($GLOBALS[$this->file . '_name']) ? $GLOBALS[$this->file . '_name'] : ''),
  67                        'type' => (isset($GLOBALS[$this->file . '_type']) ? $GLOBALS[$this->file . '_type'] : ''),
  68                        'size' => (isset($GLOBALS[$this->file . '_size']) ? $GLOBALS[$this->file . '_size'] : ''),
  69                        'tmp_name' => (isset($GLOBALS[$this->file]) ? $GLOBALS[$this->file] : ''));
  70        }
  71  
  72        if ( zen_not_null($file['tmp_name']) && ($file['tmp_name'] != 'none') && is_uploaded_file($file['tmp_name']) ) {
  73          if (sizeof($this->extensions) > 0) {
  74            if (!in_array(strtolower(substr($file['name'], strrpos($file['name'], '.')+1)), $this->extensions)) {
  75              if ($this->message_location == 'direct') {
  76                $messageStack->add(ERROR_FILETYPE_NOT_ALLOWED, 'error');
  77              } else {
  78                $messageStack->add_session(ERROR_FILETYPE_NOT_ALLOWED, 'error');
  79              }
  80  
  81              return false;
  82            }
  83          }
  84  
  85          $this->set_file($file);
  86          $this->set_filename($file['name']);
  87          $this->set_tmp_filename($file['tmp_name']);
  88  
  89          return $this->check_destination();
  90        } else {
  91          if ($file['name'] !='' && $file['tmp_name'] !='') {
  92            if ($this->message_location == 'direct') {
  93              $messageStack->add(WARNING_NO_FILE_UPLOADED, 'warning');
  94            } else {
  95              $messageStack->add_session(WARNING_NO_FILE_UPLOADED, 'warning');
  96            }
  97          }
  98          return false;
  99        }
 100      }
 101  
 102      function save($overwrite=true) {
 103        global $messageStack;
 104  
 105        if (!$overwrite and file_exists($this->destination . $this->filename)) {
 106              $messageStack->add_session(TEXT_IMAGE_OVERWRITE_WARNING . $this->filename, 'caution');
 107              return true;
 108        } else {
 109  
 110          if (substr($this->destination, -1) != '/') $this->destination .= '/';
 111  
 112          if (move_uploaded_file($this->file['tmp_name'], $this->destination . $this->filename)) {
 113            chmod($this->destination . $this->filename, $this->permissions);
 114  
 115            if ($this->message_location == 'direct') {
 116              $messageStack->add(sprintf(SUCCESS_FILE_SAVED_SUCCESSFULLY,$this->filename), 'success');
 117            } else {
 118              $messageStack->add_session(sprintf(SUCCESS_FILE_SAVED_SUCCESSFULLY,$this->filename), 'success');
 119            }
 120  
 121            return true;
 122          } else {
 123            if ($this->message_location == 'direct') {
 124              $messageStack->add(ERROR_FILE_NOT_SAVED, 'error');
 125            } else {
 126              $messageStack->add_session(ERROR_FILE_NOT_SAVED, 'error');
 127            }
 128  
 129            return false;
 130          }
 131        }
 132      }
 133  
 134      function set_file($file) {
 135        $this->file = $file;
 136      }
 137  
 138      function set_destination($destination) {
 139        $this->destination = $destination;
 140      }
 141  
 142      function set_permissions($permissions) {
 143        $this->permissions = octdec($permissions);
 144      }
 145  
 146      function set_filename($filename) {
 147        $this->filename = $filename;
 148      }
 149  
 150      function set_tmp_filename($filename) {
 151        $this->tmp_filename = $filename;
 152      }
 153  
 154      function set_extensions($extensions) {
 155        if (zen_not_null($extensions)) {
 156          if (is_array($extensions)) {
 157            $this->extensions = $extensions;
 158          } else {
 159            $this->extensions = array($extensions);
 160          }
 161        } else {
 162          $this->extensions = array();
 163        }
 164      }
 165  
 166      function check_destination() {
 167        global $messageStack;
 168  
 169        if (!is_writeable($this->destination)) {
 170          if (is_dir($this->destination)) {
 171            if ($this->message_location == 'direct') {
 172              $messageStack->add_session(sprintf(ERROR_DESTINATION_NOT_WRITEABLE, $this->destination), 'error');
 173            } else {
 174              $messageStack->add_session(sprintf(ERROR_DESTINATION_NOT_WRITEABLE, $this->destination), 'error');
 175            }
 176          } else {
 177            if ($this->message_location == 'direct') {
 178              $messageStack->add(sprintf(ERROR_DESTINATION_DOES_NOT_EXIST, $this->destination), 'error');
 179            } else {
 180              $messageStack->add_session(sprintf(ERROR_DESTINATION_DOES_NOT_EXIST, $this->destination), 'error');
 181            }
 182          }
 183  
 184          return false;
 185        } else {
 186          return true;
 187        }
 188      }
 189  
 190      function set_output_messages($location) {
 191        switch ($location) {
 192          case 'session':
 193            $this->message_location = 'session';
 194            break;
 195          case 'direct':
 196          default:
 197            $this->message_location = 'direct';
 198            break;
 199        }
 200      }
 201    }
 202  ?>