[Sommaire] [Imprimer]

   1  <?php
   2  //
   3  // Created on: <15-Aug-2002 16:40:11 sp>
   4  //
   5  // SOFTWARE NAME: eZ publish
   6  // SOFTWARE RELEASE: 3.9.0
   7  // BUILD VERSION: 17785
   8  // COPYRIGHT NOTICE: Copyright (C) 1999-2006 eZ systems AS
   9  // SOFTWARE LICENSE: GNU General Public License v2.0
  10  // NOTICE: >
  11  //   This program is free software; you can redistribute it and/or
  12  //   modify it under the terms of version 2.0  of the GNU General
  13  //   Public License as published by the Free Software Foundation.
  14  //
  15  //   This program is distributed in the hope that it will be useful,
  16  //   but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  //   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  //   GNU General Public License for more details.
  19  //
  20  //   You should have received a copy of version 2.0 of the GNU General
  21  //   Public License along with this program; if not, write to the Free
  22  //   Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  23  //   MA 02110-1301, USA.
  24  //
  25  //
  26  
  27  include_once ( "kernel/classes/ezcontentobject.php" );
  28  include_once ( "kernel/classes/ezcontentobjectattribute.php" );
  29  include_once ( "kernel/classes/datatypes/ezbinaryfile/ezbinaryfile.php" );
  30  include_once ( "kernel/classes/ezbinaryfilehandler.php" );
  31  include_once ( "kernel/classes/datatypes/ezmedia/ezmedia.php" );
  32  
  33  $contentObjectID = $Params['ContentObjectID'];
  34  $contentObjectAttributeID = $Params['ContentObjectAttributeID'];
  35  $contentObject = eZContentObject::fetch( $contentObjectID );
  36  if ( !is_object( $contentObject ) )
  37  {
  38      return $Module->handleError( EZ_ERROR_KERNEL_NOT_AVAILABLE, 'kernel' );
  39  }
  40  $currentVersion = $contentObject->attribute( 'current_version' );
  41  
  42  if ( isset(  $Params['Version'] ) && is_numeric( $Params['Version'] ) )
  43       $version = $Params['Version'];
  44  else
  45       $version = $currentVersion;
  46  
  47  $contentObjectAttribute = eZContentObjectAttribute::fetch( $contentObjectAttributeID, $version, true );
  48  if ( !is_object( $contentObjectAttribute ) )
  49  {
  50      return $Module->handleError( EZ_ERROR_KERNEL_NOT_AVAILABLE, 'kernel' );
  51  }
  52  $contentObjectIDAttr = $contentObjectAttribute->attribute( 'contentobject_id' );
  53  if ( $contentObjectID != $contentObjectIDAttr or !$contentObject->attribute( 'can_read' ) )
  54  {
  55      return $Module->handleError( EZ_ERROR_KERNEL_ACCESS_DENIED, 'kernel' );
  56  }
  57  
  58  // Get locations.
  59  $nodeAssignments =& $contentObject->attribute( 'assigned_nodes' );
  60  if ( count( $nodeAssignments ) === 0 )
  61  {
  62      // oops, no locations. probably it's related object. Let's check his owners
  63      $ownerList =& eZContentObject::reverseRelatedObjectList( false, $contentObjectID, false, false, false );
  64      foreach ( array_keys( $ownerList ) as $key )
  65      {
  66          $owner =& $ownerList[$key];
  67          if ( is_object( $owner ) )
  68          {
  69              $ownerNodeAssignments =& $owner->attribute( 'assigned_nodes' );
  70              $nodeAssignments = array_merge( $nodeAssignments, $ownerNodeAssignments );
  71          }
  72      }
  73  }
  74  
  75  // If exists location that current user has access to and location is visible.
  76  $canAccess = false;
  77  foreach ( $nodeAssignments as $nodeAssignment )
  78  {
  79      if ( ( eZContentObjectTreeNode::showInvisibleNodes() || !$nodeAssignment->attribute( 'is_invisible' ) ) and $nodeAssignment->canRead() )
  80      {
  81          $canAccess = true;
  82          break;
  83      }
  84  }
  85  if ( !$canAccess )
  86      return $Module->handleError( EZ_ERROR_KERNEL_NOT_AVAILABLE, 'kernel' );
  87  
  88  // If $version is not current version (published)
  89  // we should check permission versionRead for the $version.
  90  if ( $version != $currentVersion )
  91  {
  92      $versionObj = eZContentObjectVersion::fetchVersion( $version, $contentObjectID );
  93      if ( is_object( $versionObj ) and !$versionObj->canVersionRead() )
  94          return $Module->handleError( EZ_ERROR_KERNEL_NOT_AVAILABLE, 'kernel' );
  95  }
  96  
  97  $fileHandler =& eZBinaryFileHandler::instance();
  98  $result = $fileHandler->handleDownload( $contentObject, $contentObjectAttribute, EZ_BINARY_FILE_TYPE_FILE );
  99  
 100  if ( $result == EZ_BINARY_FILE_RESULT_UNAVAILABLE )
 101  {
 102      eZDebug::writeError( "The specified file could not be found." );
 103      return $Module->handleError( EZ_ERROR_KERNEL_NOT_AVAILABLE, 'kernel' );
 104  }
 105  
 106  ?>