source: trunk/upload.php @ 8017

Last change on this file since 8017 was 6951, checked in by rvelices, 14 years ago

feature 1616: rename "category" into "album" (first commit; still to come)
  • Property svn:eol-style set to LF
File size: 14.6 KB
Line 
1<?php
2// +-----------------------------------------------------------------------+
3// | Piwigo - a PHP based picture gallery                                  |
4// +-----------------------------------------------------------------------+
5// | Copyright(C) 2008-2010 Piwigo Team                  http://piwigo.org |
6// | Copyright(C) 2003-2008 PhpWebGallery Team    http://phpwebgallery.net |
7// | Copyright(C) 2002-2003 Pierrick LE GALL   http://le-gall.net/pierrick |
8// +-----------------------------------------------------------------------+
9// | This program is free software; you can redistribute it and/or modify  |
10// | it under the terms of the GNU General Public License as published by  |
11// | the Free Software Foundation                                          |
12// |                                                                       |
13// | This program is distributed in the hope that it will be useful, but   |
14// | WITHOUT ANY WARRANTY; without even the implied warranty of            |
15// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      |
16// | General Public License for more details.                              |
17// |                                                                       |
18// | You should have received a copy of the GNU General Public License     |
19// | along with this program; if not, write to the Free Software           |
20// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
21// | USA.                                                                  |
22// +-----------------------------------------------------------------------+
23
24define('PHPWG_ROOT_PATH','./');
25
26// +-----------------------------------------------------------------------+
27// | Includes                                                              |
28// +-----------------------------------------------------------------------+
29include_once(PHPWG_ROOT_PATH.'include/common.inc.php');
30
31// +-----------------------------------------------------------------------+
32// | Check Access and exit when user status is not ok                      |
33// +-----------------------------------------------------------------------+
34check_status($conf['upload_user_access']);
35
36$username = !empty($_POST['username']) ? $_POST['username']:(is_classic_user() ? $user['username'] : '');
37$mail_address = !empty($_POST['mail_address']) ? $_POST['mail_address'] : (is_classic_user() ? $user['email'] : '');
38$name = !empty($_POST['name']) ? $_POST['name'] : '';
39$author = !empty($_POST['author']) ? $_POST['author'] : (is_classic_user() ? $user['username'] : '');
40$date_creation = !empty($_POST['date_creation']) ? $_POST['date_creation'] : '';
41$comment = !empty($_POST['comment']) ? $_POST['comment'] : '';
42
43//------------------------------------------------------------------- functions
44// The validate_upload function checks if the image of the given path is valid.
45// A picture is valid when :
46//     - width, height and filesize are not higher than the maximum
47//       filesize authorized by the administrator
48//     - the type of the picture is among jpg, gif and png
49// The function returns an array containing :
50//     - $result['type'] contains the type of the image ('jpg', 'gif' or 'png')
51//     - $result['error'] contains an array with the different errors
52//       found with the picture
53function validate_upload( $temp_name, $my_max_file_size,
54                          $image_max_width, $image_max_height )
55{
56  global $conf, $lang, $page, $mail_address;
57
58  $result = array();
59  $result['error'] = array();
60  //echo $_FILES['picture']['name']."<br />".$temp_name;
61  $extension = get_extension( $_FILES['picture']['name'] );
62  if (!in_array($extension, $conf['picture_ext']))
63  {
64    array_push( $result['error'], l10n('the picture must be to the fileformat jpg, gif or png') );
65    return $result;
66  }
67  if ( !isset( $_FILES['picture'] ) )
68  {
69    // do we even have a file?
70    array_push( $result['error'], "You did not upload anything!" );
71  }
72  else if ( $_FILES['picture']['size'] > $my_max_file_size * 1024 )
73  {
74    array_push( $result['error'],
75                l10n('the filesize of the picture must not exceed :').$my_max_file_size.' KB' );
76  }
77  else
78  {
79    // check if we are allowed to upload this file_type
80    // upload de la photo sous un nom temporaire
81    if ( !move_uploaded_file( $_FILES['picture']['tmp_name'], $temp_name ) )
82    {
83      array_push( $result['error'], l10n('can\'t upload the picture on the server') );
84    }
85    else
86    {
87      $size = getimagesize( $temp_name );
88      if ( isset( $image_max_width )
89           and $image_max_width != ""
90           and $size[0] > $image_max_width )
91      {
92        array_push( $result['error'],
93                    l10n('the width of the picture must not exceed :').$image_max_width.' px' );
94      }
95      if ( isset( $image_max_height )
96           and $image_max_height != ""
97           and $size[1] > $image_max_height )
98      {
99        array_push( $result['error'],
100                    l10n('the height of the picture must not exceed :').$image_max_height.' px' );
101      }
102      // $size[2] == 1 means GIF
103      // $size[2] == 2 means JPG
104      // $size[2] == 3 means PNG
105      switch ( $size[2] )
106      {
107      case 1 : $result['type'] = 'gif'; break;
108      case 2 : $result['type'] = 'jpg'; break;
109      case 3 : $result['type'] = 'png'; break;
110      default :
111        array_push( $result['error'], l10n('the picture must be to the fileformat jpg, gif or png') );
112      }
113    }
114  }
115  if ( sizeof( $result['error'] ) > 0 )
116  {
117    // destruction de l'image avec le nom temporaire
118    @unlink( $temp_name );
119  }
120  else
121  {
122    @chmod( $temp_name, 0644);
123  }
124
125  //------------------------------------------------------------ log informations
126  pwg_log();
127
128  return $result;
129}
130
131//-------------------------------------------------- access authorization check
132if (isset($_POST['category']) and is_numeric($_POST['category']))
133{
134  $page['category'] = $_POST['category'];
135}
136else
137if (isset($_GET['cat']) and is_numeric($_GET['cat']))
138{
139  $page['category'] = $_GET['cat'];
140}
141else
142{
143  $page['category'] = null;
144}
145
146if (! empty($page['category']))
147{
148  check_restrictions($page['category']);
149  $category = get_cat_info($page['category']);
150  $category['cat_dir'] = get_complete_dir($page['category']);
151
152  if (url_is_remote($category['cat_dir']) or !$category['uploadable'])
153  {
154    page_forbidden('upload not allowed');
155  }
156}
157else
158{
159  if (isset($_POST['submit']))
160  {
161    // $page['category'] may be set by a futur plugin but without it
162    bad_request('invalid parameters');
163  }
164  else
165  {
166    $category = null;
167  }
168}
169
170$error = array();
171$page['upload_successful'] = false;
172if ( isset( $_GET['waiting_id'] ) )
173{
174  $page['waiting_id'] = $_GET['waiting_id'];
175}
176
177//-------------------------------------------------------------- picture upload
178// verfying fields
179if ( isset( $_POST['submit'] ) and !isset( $_GET['waiting_id'] ) )
180{
181  $path = $category['cat_dir'].$_FILES['picture']['name'];
182  if ( @is_file( $path ) )
183  {
184    array_push( $error, l10n('A picture\'s name already used') );
185  }
186  // test de la présence des champs obligatoires
187  if ( empty($_FILES['picture']['name']))
188  {
189    array_push( $error, l10n('You must choose a picture fileformat for the image') );
190  }
191  if ( !preg_match( '/([_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)+)/',
192             $_POST['mail_address'] ) )
193  {
194    array_push( $error, l10n('mail address must be like xxx@yyy.eee (example : jack@altern.org)') );
195  }
196  if ( empty($_POST['username']) )
197  {
198    array_push( $error, l10n('the username must be given') );
199  }
200
201  $date_creation = '';
202  if ( !empty($_POST['date_creation']) )
203  {
204    list( $day,$month,$year ) = explode( '/', $_POST['date_creation'] );
205    // int checkdate ( int month, int day, int year)
206    if (checkdate($month, $day, $year))
207    {
208      $date_creation = $year.'-'.$month.'-'.$day;
209    }
210    else
211    {
212      array_push( $error, l10n('wrong date') );
213    }
214  }
215  // creation of the "infos" field :
216  // <infos author="Pierrick LE GALL" comment="my comment"
217  //        date_creation="2004-08-14" name="" />
218  $xml_infos = '<infos ';
219  $xml_infos.= encodeAttribute('author', $_POST['author']);
220  $xml_infos.= encodeAttribute('comment', $_POST['comment']);
221  $xml_infos.= encodeAttribute('date_creation', $date_creation);
222  $xml_infos.= encodeAttribute('name', $_POST['name']);
223  $xml_infos.= ' />';
224
225  if ( !preg_match( '/^[a-zA-Z0-9-_.]+$/', $_FILES['picture']['name'] ) )
226  {
227    array_push( $error, l10n('wrong filename') );
228  }
229
230  if ( sizeof( $error ) == 0 )
231  {
232    $result = validate_upload( $path, $conf['upload_maxfilesize'],
233                               $conf['upload_maxwidth'],
234                               $conf['upload_maxheight']  );
235    for ( $j = 0; $j < sizeof( $result['error'] ); $j++ )
236    {
237      array_push( $error, $result['error'][$j] );
238    }
239  }
240
241  if ( sizeof( $error ) == 0 )
242  {
243    $query = 'insert into '.WAITING_TABLE;
244    $query.= ' (storage_category_id,file,username,mail_address,date,infos)';
245    $query.= ' values ';
246    $query.= '('.$page['category'].",'".$_FILES['picture']['name']."'";
247    $query.= ",'".htmlspecialchars( $_POST['username'], ENT_QUOTES)."'";
248    $query.= ",'".$_POST['mail_address']."',".time().",'".$xml_infos."')";
249    $query.= ';';
250    pwg_query( $query );
251    $page['waiting_id'] = pwg_db_insert_id(WAITING_TABLE);
252
253    if ($conf['email_admin_on_picture_uploaded'])
254    {
255      include_once(PHPWG_ROOT_PATH.'include/functions_mail.inc.php');
256
257      $waiting_url = get_absolute_root_url().'admin.php?page=upload';
258
259      $keyargs_content = array
260      (
261        get_l10n_args('Album: %s', get_cat_display_name($category['upper_names'], null, false)),
262        get_l10n_args('Picture name: %s', $_FILES['picture']['name']),
263        get_l10n_args('User: %s', $_POST['username']),
264        get_l10n_args('Email: %s', $_POST['mail_address']),
265        get_l10n_args('Picture name: %s', $_POST['name']),
266        get_l10n_args('Author: %s', $_POST['author']),
267        get_l10n_args('Creation date: %s', $_POST['date_creation']),
268        get_l10n_args('Comment: %s', $_POST['comment']),
269        get_l10n_args('', ''),
270        get_l10n_args('Waiting page: %s', $waiting_url)
271      );
272
273      pwg_mail_notification_admins
274      (
275        get_l10n_args('Picture uploaded by %s', $_POST['username']),
276        $keyargs_content
277      );
278    }
279  }
280}
281
282//------------------------------------------------------------ thumbnail upload
283if ( isset( $_POST['submit'] ) and isset( $_GET['waiting_id'] ) )
284{
285  // upload of the thumbnail
286  $query = 'select file';
287  $query.= ' from '.WAITING_TABLE;
288  $query.= ' where id = '.$_GET['waiting_id'];
289  $query.= ';';
290  $result= pwg_query( $query );
291  $row = pwg_db_fetch_assoc( $result );
292  $file = substr ( $row['file'], 0, strrpos ( $row['file'], ".") );
293  $extension = get_extension( $_FILES['picture']['name'] );
294
295  if (($path = mkget_thumbnail_dir($category['cat_dir'], $error)) != false)
296  {
297    $path.= '/'.$conf['prefix_thumbnail'].$file.'.'.$extension;
298    $result = validate_upload( $path, $conf['upload_maxfilesize'],
299                               $conf['upload_maxwidth_thumbnail'],
300                               $conf['upload_maxheight_thumbnail']  );
301    for ( $j = 0; $j < sizeof( $result['error'] ); $j++ )
302    {
303      array_push( $error, $result['error'][$j] );
304    }
305  }
306
307  if ( sizeof( $error ) == 0 )
308  {
309    $query = 'update '.WAITING_TABLE;
310    $query.= " set tn_ext = '".$extension."'";
311    $query.= ' where id = '.$_GET['waiting_id'];
312    $query.= ';';
313    pwg_query( $query );
314    $page['upload_successful'] = true;
315  }
316}
317
318//
319// Start output of page
320//
321$title= l10n('Upload a picture');
322$page['body_id'] = 'theUploadPage';
323include(PHPWG_ROOT_PATH.'include/page_header.php');
324$template->set_filenames(array('upload'=>'upload.tpl'));
325
326// Load category list
327$query = '
328SELECT
329  id, name, uppercats, global_rank
330FROM '.CATEGORIES_TABLE.' INNER JOIN '.USER_CACHE_CATEGORIES_TABLE.'
331  ON id = cat_id and user_id = '.$user['id'].'
332WHERE
333  uploadable = \'true\'
334  '.get_sql_condition_FandF
335    (
336      array
337        (
338          'visible_categories' => 'id',
339        ),
340      'AND'
341    ).'
342;';
343display_select_cat_wrapper($query, array($page['category']), 'categories');
344
345$u_form = PHPWG_ROOT_PATH.'upload.php?cat='.$page['category'];
346if ( isset( $page['waiting_id'] ) )
347{
348$u_form.= '&amp;waiting_id='.$page['waiting_id'];
349}
350
351if ( isset( $page['waiting_id'] ) )
352{
353  $advise_title = l10n('Optional, but recommended : choose a thumbnail to associate to').' '.$_FILES['picture']['name'];
354}
355else
356{
357  $advise_title = l10n('Choose an image');
358}
359
360$template->assign(
361  array(
362    'ADVISE_TITLE' => $advise_title,
363    'NAME' => stripslashes($username),
364    'EMAIL' => $mail_address,
365    'NAME_IMG' => $name,
366    'AUTHOR_IMG' => stripslashes($author),
367    'DATE_IMG' => $date_creation,
368    'COMMENT_IMG' => $comment,
369
370    'F_ACTION' => $u_form,
371
372    'U_RETURN' => make_index_url(array('category' => $category)),
373    )
374  );
375
376$template->assign('errors', $error);
377$template->assign('UPLOAD_SUCCESSFUL', $page['upload_successful'] );
378
379if ( !$page['upload_successful'] )
380{
381//--------------------------------------------------------------------- advises
382  if ( !empty($conf['upload_maxfilesize']) )
383  {
384    $content = l10n('the filesize of the picture must not exceed :');
385    $content.= $conf['upload_maxfilesize'].' KB';
386    $template->append('advises', $content);
387  }
388
389  if ( isset( $page['waiting_id'] ) )
390  {
391    if ( $conf['upload_maxwidth_thumbnail'] != '' )
392    {
393      $content = l10n('the width of the picture must not exceed :');
394      $content.= $conf['upload_maxwidth_thumbnail'].' px';
395      $template->append('advises', $content);
396    }
397    if ( $conf['upload_maxheight_thumbnail'] != '' )
398    {
399      $content = l10n('the height of the picture must not exceed :');
400      $content.= $conf['upload_maxheight_thumbnail'].' px';
401      $template->append('advises', $content);
402    }
403  }
404  else
405  {
406    if ( $conf['upload_maxwidth'] != '' )
407    {
408      $content = l10n('the width of the picture must not exceed :');
409      $content.= $conf['upload_maxwidth'].' px';
410      $template->append('advises', $content);
411    }
412    if ( $conf['upload_maxheight'] != '' )
413    {
414      $content = l10n('the height of the picture must not exceed :');
415      $content.= $conf['upload_maxheight'].' px';
416      $template->append('advises', $content);
417    }
418  }
419  $template->append('advises', l10n('the picture must be to the fileformat jpg, gif or png'));
420
421//----------------------------------------- optionnal username and mail address
422  if ( !isset( $page['waiting_id'] ) )
423  {
424    $template->assign('SHOW_FORM_FIELDS', true);
425  }
426}
427
428//----------------------------------------------------------- html code display
429$template->parse('upload');
430include(PHPWG_ROOT_PATH.'include/page_tail.php');
431?>
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