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<?php

// +-----------------------------------------------------------------------+

// | PhpWebGallery - a PHP based picture gallery                           |

// | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net |

// | Copyright (C) 2003-2005 PhpWebGallery Team - http://phpwebgallery.net |

// +-----------------------------------------------------------------------+

// | branch        : BSF (Best So Far)

// | file          : $RCSfile: upload.php,v $

// | last update   : $Date: 2005/01/13 10:18:49 $

// | last modifier : $Author: plg $

// | revision      : $Revision: 1.28 $

// +-----------------------------------------------------------------------+

// | This program is free software; you can redistribute it and/or modify  |

// | it under the terms of the GNU General Public License as published by  |

// | the Free Software Foundation                                          |

// |                                                                       |

// | This program is distributed in the hope that it will be useful, but   |

// | WITHOUT ANY WARRANTY; without even the implied warranty of            |

// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      |

// | General Public License for more details.                              |

// |                                                                       |

// | You should have received a copy of the GNU General Public License     |

// | along with this program; if not, write to the Free Software           |

// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |

// | USA.                                                                  |

// +-----------------------------------------------------------------------+

define('PHPWG_ROOT_PATH','./');

include_once( PHPWG_ROOT_PATH.'include/common.inc.php' );

//------------------------------------------------------------------- functions

// The validate_upload function checks if the image of the given path is valid.

// A picture is valid when :

//     - width, height and filesize are not higher than the maximum

//       filesize authorized by the administrator

//     - the type of the picture is among jpg, gif and png

// The function returns an array containing :

//     - $result['type'] contains the type of the image ('jpg', 'gif' or 'png')

//     - $result['error'] contains an array with the different errors

//       found with the picture

function validate_upload( $temp_name, $my_max_file_size,

                          $image_max_width, $image_max_height )

{

  global $conf, $lang;

  $result = array();

  $result['error'] = array();

  //echo $_FILES['picture']['name']."<br />".$temp_name;

  $extension = get_extension( $_FILES['picture']['name'] );

  if (!in_array($extension, $conf['picture_ext']))

  {

    array_push( $result['error'], $lang['upload_advise_filetype'] );

    return $result;

  }

  if ( !isset( $_FILES['picture'] ) )

  {

    // do we even have a file?

    array_push( $result['error'], "You did not upload anything!" );

  }

  else if ( $_FILES['picture']['size'] > $my_max_file_size * 1024 )

  {

    array_push( $result['error'],

                $lang['upload_advise_filesize'].$my_max_file_size.' KB' );

  }

  else

  {

    // check if we are allowed to upload this file_type

    // upload de la photo sous un nom temporaire

    if ( !move_uploaded_file( $_FILES['picture']['tmp_name'], $temp_name ) )

    {

      array_push( $result['error'], $lang['upload_cannot_upload'] );

    }

    else

    {

      $size = getimagesize( $temp_name );

      if ( isset( $image_max_width )

           and $image_max_width != ""

           and $size[0] > $image_max_width )

      {

        array_push( $result['error'],

                    $lang['upload_advise_width'].$image_max_width.' px' );

      }

      if ( isset( $image_max_height )

           and $image_max_height != ""

           and $size[1] > $image_max_height )

      {

        array_push( $result['error'],

                    $lang['upload_advise_height'].$image_max_height.' px' );

      }

      // $size[2] == 1 means GIF

      // $size[2] == 2 means JPG

      // $size[2] == 3 means PNG

      switch ( $size[2] )

      {

      case 1 : $result['type'] = 'gif'; break;

      case 2 : $result['type'] = 'jpg'; break;

      case 3 : $result['type'] = 'png'; break;

      default :

        array_push( $result['error'], $lang['upload_advise_filetype'] );  

      }

    }

  }

  if ( sizeof( $result['error'] ) > 0 )

  {

    // destruction de l'image avec le nom temporaire

    @unlink( $temp_name );

  }

  else

  {

    @chmod( $temp_name, 0644);

  }

  return $result;

}	

//-------------------------------------------------- access authorization check

check_login_authorization();

check_cat_id( $_GET['cat'] );

if ( isset( $page['cat'] ) and is_numeric( $page['cat'] ) )

{

  check_restrictions( $page['cat'] );

  $result = get_cat_info( $page['cat'] );

  $page['cat_dir']        = get_complete_dir( $page['cat'] );

  $page['cat_site_id']    = $result['site_id'];

  $page['cat_name']       = $result['name'];

  $page['cat_uploadable'] = $result['uploadable'];

  if ($page['cat_site_id'] != 1 or !$page['cat_uploadable'])

  {

    echo '<div style="text-align:center;">'.$lang['upload_forbidden'].'<br />';

    echo '<a href="'.add_session_id( './category.php' ).'">';

    echo $lang['thumbnails'].'</a></div>';

    exit();

  }

}

$error = array();

$page['upload_successful'] = false;

if ( isset( $_GET['waiting_id'] ) )

{

  $page['waiting_id'] = $_GET['waiting_id'];

}

//-------------------------------------------------------------- picture upload

// verfying fields

if ( isset( $_POST['submit'] ) and !isset( $_GET['waiting_id'] ) )

{

  $path = $page['cat_dir'].$_FILES['picture']['name'];

  if ( @is_file( $path ) )

  {

    array_push( $error, $lang['upload_file_exists'] );

  }

  // test de la présence des champs obligatoires

  if ( empty($_FILES['picture']['name']))

  {

    array_push( $error, $lang['upload_filenotfound'] );

  }

  if ( !ereg( "([_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)+)",

             $_POST['mail_address'] ) )

  {

    array_push( $error, $lang['reg_err_mail_address'] );

  }

  if ( empty($_POST['username']) )

  {

    array_push( $error, $lang['upload_err_username'] );

  }

  $date_creation = '';

  if ( !empty($_POST['date_creation']) )

  {

    list( $day,$month,$year ) = explode( '/', $_POST['date_creation'] );

    // int checkdate ( int month, int day, int year)

    if (checkdate($month, $day, $year))

    {

      $date_creation = $year.'-'.$month.'-'.$day;

    }

    else

    {

      array_push( $error, $lang['err_date'] );

    }

  }

  // creation of the "infos" field :

  // <infos author="Pierrick LE GALL" comment="my comment"

  //        date_creation="2004-08-14" name="" />

  $xml_infos = '<infos';

  $xml_infos.= ' author="'.htmlspecialchars($_POST['author'],ENT_QUOTES).'"';

  $xml_infos.= ' comment="'.htmlspecialchars($_POST['comment'],ENT_QUOTES).'"';

  $xml_infos.= ' date_creation="'.$date_creation.'"';

  $xml_infos.= ' name="'.htmlspecialchars( $_POST['name'], ENT_QUOTES).'"';

  $xml_infos.= ' />';

  if ( !preg_match( '/^[a-zA-Z0-9-_.]+$/', $_FILES['picture']['name'] ) )

  {

    array_push( $error, $lang['update_wrong_dirname'] );

  }

  if ( sizeof( $error ) == 0 )

  {

    $result = validate_upload( $path, $conf['upload_maxfilesize'],

                               $conf['upload_maxwidth'],

                               $conf['upload_maxheight']  );

    for ( $j = 0; $j < sizeof( $result['error'] ); $j++ )

    {

      array_push( $error, $result['error'][$j] );

    }

  }

  if ( sizeof( $error ) == 0 )

  {

    $query = 'insert into '.WAITING_TABLE;

    $query.= ' (storage_category_id,file,username,mail_address,date,infos)';

    $query.= ' values ';

    $query.= '('.$page['cat'].",'".$_FILES['picture']['name']."'";

    $query.= ",'".htmlspecialchars( $_POST['username'], ENT_QUOTES)."'";

    $query.= ",'".$_POST['mail_address']."',".time().",'".$xml_infos."')";

    $query.= ';';

    pwg_query( $query );

    $page['waiting_id'] = mysql_insert_id();

    // mail notification for administrators

    if ( $conf['mail_notification'] )

    {

      notify( 'upload' );

    }

  }

}

//------------------------------------------------------------ thumbnail upload

if ( isset( $_POST['submit'] ) and isset( $_GET['waiting_id'] ) )

{

  // upload of the thumbnail

  $query = 'select file';

  $query.= ' from '.WAITING_TABLE;

  $query.= ' where id = '.$_GET['waiting_id'];

  $query.= ';';

  $result= pwg_query( $query );

  $row = mysql_fetch_array( $result );

  $file = substr ( $row['file'], 0, strrpos ( $row['file'], ".") );

  $extension = get_extension( $_FILES['picture']['name'] );

  $path = $page['cat_dir'].'thumbnail/';

  $path.= $conf['prefix_thumbnail'].$file.'.'.$extension;

  $result = validate_upload( $path, $conf['upload_maxfilesize'],

                             $conf['upload_maxwidth_thumbnail'],

                             $conf['upload_maxheight_thumbnail']  );

  for ( $j = 0; $j < sizeof( $result['error'] ); $j++ )

  {

    array_push( $error, $result['error'][$j] );

  }

  if ( sizeof( $error ) == 0 )

  {

    $query = 'update '.WAITING_TABLE;

    $query.= " set tn_ext = '".$extension."'";

    $query.= ' where id = '.$_GET['waiting_id'];

    $query.= ';';

    pwg_query( $query );

    $page['upload_successful'] = true;

  }

}

//

// Start output of page

//

$title= $lang['upload_title'];

include(PHPWG_ROOT_PATH.'include/page_header.php');

$template->set_filenames(array('upload'=>'upload.tpl'));

$u_form = PHPWG_ROOT_PATH.'upload.php?cat='.$page['cat'];

if ( isset( $page['waiting_id'] ) )

{

$u_form.= '&waiting_id='.$page['waiting_id'];

}

if ( isset( $page['waiting_id'] ) )

{

  $advise_title=$lang['upload_advise_thumbnail'].$_FILES['picture']['name'];

}

else

{

  $advise_title = $lang['upload_advise'];

  $advise_title.= get_cat_display_name($page['cat_name']);

}

$username = !empty($_POST['username'])?$_POST['username']:$user['username'];

$mail_address = !empty($_POST['mail_address'])?$_POST['mail_address']:$user['mail_address'];

$name = !empty($_POST['name'])?$_POST['name']:'';

$author = !empty($_POST['author'])?$_POST['author']:'';

$date_creation = !empty($_POST['date_creation'])?$_POST['date_creation']:'';

$comment = !empty($_POST['comment'])?$_POST['comment']:'';

$template->assign_vars(array(

  'ADVISE_TITLE' => $advise_title,

  'NAME' => $username,

  'EMAIL' => $mail_address,

  'NAME_IMG' => $name,

  'AUTHOR_IMG' => $author,

  'DATE_IMG' => $date_creation,

  'COMMENT_IMG' => $comment,

  'L_TITLE' => $lang['upload_title'],

  'L_USERNAME' => $lang['upload_username'],

  'L_EMAIL' =>  $lang['mail_address'], 

  'L_NAME_IMG' =>  $lang['upload_name'], 

  'L_SUBMIT' =>  $lang['submit'],

  'L_AUTHOR' =>  $lang['upload_author'], 

  'L_CREATION_DATE' =>  $lang['upload_creation_date'], 

  'L_COMMENT' =>  $lang['comment'],

  'L_RETURN' =>  $lang['home'],

  'L_RETURN_HINT' =>  $lang['home_hint'],

  'L_UPLOAD_DONE' =>  $lang['upload_successful'],

  'L_MANDATORY' =>  $lang['mandatory'],

  'F_ACTION' => add_session_id( $u_form ),

  'U_RETURN' => add_session_id(PHPWG_ROOT_PATH.'category.php?'.$_SERVER['QUERY_STRING'])

  ));

if ( !$page['upload_successful'] )

{

  $template->assign_block_vars('upload_not_successful',array());

//-------------------------------------------------------------- errors display

if ( sizeof( $error ) != 0 )

{

  $template->assign_block_vars('upload_not_successful.errors',array());

  for ( $i = 0; $i < sizeof( $error ); $i++ )

  {

    $template->assign_block_vars('upload_not_successful.errors.error',array('ERROR'=>$error[$i]));

  }

}

//--------------------------------------------------------------------- advises

  if ( !empty($conf['upload_maxfilesize']) )

  {

    $content = $lang['upload_advise_filesize'];

    $content.= $conf['upload_maxfilesize'].' KB';

    $template->assign_block_vars('upload_not_successful.advise',array('ADVISE'=>$content));

  }

  if ( isset( $page['waiting_id'] ) )

  {

    if ( $conf['upload_maxwidth_thumbnail'] != '' )

    {

	  $content = $lang['upload_advise_width'];

      $content.= $conf['upload_maxwidth_thumbnail'].' px';

	  $template->assign_block_vars('upload_not_successful.advise',array('ADVISE'=>$content));

    }

    if ( $conf['upload_maxheight_thumbnail'] != '' )

    {

      $content = $lang['upload_advise_height'];

      $content.= $conf['upload_maxheight_thumbnail'].' px';

	  $template->assign_block_vars('upload_not_successful.advise',array('ADVISE'=>$content));

    }

  }

  else

  {

    if ( $conf['upload_maxwidth'] != '' )

    {

      $content = $lang['upload_advise_width'];

      $content.= $conf['upload_maxwidth'].' px';

	  $template->assign_block_vars('upload_not_successful.advise',array('ADVISE'=>$content));

    }

    if ( $conf['upload_maxheight'] != '' )

    {

      $content = $lang['upload_advise_height'];

      $content.= $conf['upload_maxheight'].' px';

	  $template->assign_block_vars('upload_not_successful.advise',array('ADVISE'=>$content));

    }

  }

  $template->assign_block_vars('upload_not_successful.advise',array('ADVISE'=>$lang['upload_advise_filetype']));

//----------------------------------------- optionnal username and mail address

  if ( !isset( $page['waiting_id'] ) )

  {

    $template->assign_block_vars('upload_not_successful.fields',array());

	$template->assign_block_vars('note',array());

  }

}

else

{

  $template->assign_block_vars('upload_successful',array());

}

//----------------------------------------------------------- html code display

$template->parse('upload');

include(PHPWG_ROOT_PATH.'include/page_tail.php');

?>