source: trunk/admin/include/configuration_watermark_process.inc.php @ 14549

Last change on this file since 14549 was 14549, checked in by plg, 9 years ago

feature 2626: explicit error message for PNG files + info message when settings saved

File size: 5.9 KB
Line 
1<?php
2// +-----------------------------------------------------------------------+
3// | Piwigo - a PHP based photo gallery                                    |
4// +-----------------------------------------------------------------------+
5// | Copyright(C) 2008-2012 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
24if( !defined("PHPWG_ROOT_PATH") )
25{
26  die ("Hacking attempt!");
27}
28
29$errors = array();
30$pwatermark = $_POST['w'];
31
32// step 0 - manage upload if any
33if (isset($_FILES['watermarkImage']) and !empty($_FILES['watermarkImage']['tmp_name']))
34{
35  list($width, $height, $type) = getimagesize($_FILES['watermarkImage']['tmp_name']);
36  if (IMAGETYPE_PNG != $type)
37  {
38    $errors['watermarkImage'] = sprintf(
39      l10n('Allowed file types: %s.'),
40      'PNG'
41      );
42  }
43  else
44  {
45    $upload_dir = PHPWG_ROOT_PATH.PWG_LOCAL_DIR.'watermarks';
46
47    include_once(PHPWG_ROOT_PATH.'admin/include/functions_upload.inc.php');
48    prepare_directory($upload_dir);
49
50    $new_name = get_filename_wo_extension($_FILES['watermarkImage']['name']).'.png';
51    $file_path = $upload_dir.'/'.$new_name; 
52 
53    move_uploaded_file($_FILES['watermarkImage']['tmp_name'], $file_path);
54   
55    $pwatermark['file'] = substr($file_path, strlen(PHPWG_ROOT_PATH));
56  }
57}
58
59// step 1 - sanitize HTML input
60switch ($pwatermark['position'])
61{
62  case 'topleft':
63  {
64    $pwatermark['xpos'] = 0;
65    $pwatermark['ypos'] = 0;
66    break;
67  }
68  case 'topright':
69  {
70    $pwatermark['xpos'] = 100;
71    $pwatermark['ypos'] = 0;
72    break;
73  }
74  case 'middle':
75  {
76    $pwatermark['xpos'] = 50;
77    $pwatermark['ypos'] = 50;
78    break;
79  }
80  case 'bottomleft':
81  {
82    $pwatermark['xpos'] = 0;
83    $pwatermark['ypos'] = 100;
84    break;
85  }
86  case 'bottomright':
87  {
88    $pwatermark['xpos'] = 100;
89    $pwatermark['ypos'] = 100;
90    break;
91  }
92}
93
94// step 2 - check validity
95$v = intval($pwatermark['xpos']);
96if ($v < 0 or $v > 100)
97{
98  $errors['watermark']['xpos'] = '[0..100]';
99}
100
101$v = intval($pwatermark['ypos']);
102if ($v < 0 or $v > 100)
103{
104  $errors['watermark']['ypos'] = '[0..100]';
105}
106
107$v = intval($pwatermark['opacity']);
108if ($v <= 0 or $v > 100)
109{
110  $errors['watermark']['opacity'] = '(0..100]';
111}
112
113// step 3 - save data
114if (count($errors) == 0)
115{
116  $watermark = new WatermarkParams();
117  $watermark->file = $pwatermark['file'];
118  $watermark->xpos = intval($pwatermark['xpos']);
119  $watermark->ypos = intval($pwatermark['ypos']);
120  $watermark->xrepeat = intval($pwatermark['xrepeat']);
121  $watermark->opacity = intval($pwatermark['opacity']);
122  $watermark->min_size = array(intval($pwatermark['minw']),intval($pwatermark['minh']));
123
124  $old_watermark = ImageStdParams::get_watermark();
125  $watermark_changed =
126    $watermark->file != $old_watermark->file
127    || $watermark->xpos != $old_watermark->xpos
128    || $watermark->ypos != $old_watermark->ypos
129    || $watermark->xrepeat != $old_watermark->xrepeat
130    || $watermark->opacity != $old_watermark->opacity;
131
132  // do we have to regenerate the derivatives?
133  $old_enabled = ImageStdParams::get_defined_type_map();
134  // $disabled = @unserialize( @$conf['disabled_derivatives'] );
135  // if ($disabled===false)
136  // {
137  //   $disabled = array();
138  // }
139
140  // save the new watermark configuration
141  ImageStdParams::set_watermark($watermark);
142
143  $new_enabled = ImageStdParams::get_defined_type_map();
144 
145  $changed_types = array();
146
147  foreach(ImageStdParams::get_all_types() as $type)
148  {
149    if (isset($old_enabled[$type]))
150    {
151      $old_params = $old_enabled[$type];
152      // echo '<pre>old '.$type."\n"; print_r($old_params); echo '</pre>';
153     
154      $new_params = $new_enabled[$type];
155      ImageStdParams::apply_global($new_params);
156      // echo '<pre>new '.$type."\n"; print_r($old_params); echo '</pre>';
157     
158      $same = true;
159         
160      if ($new_params->use_watermark != $old_params->use_watermark
161          or $new_params->use_watermark and $watermark_changed)
162      {
163        $same = false;
164      }
165
166      if (!$same)
167      {
168        $new_params->last_mod_time = time();
169        $changed_types[] = $type;
170      }
171      else
172      {
173        $new_params->last_mod_time = $old_params->last_mod_time;
174      }
175      $new_enabled[$type] = $new_params;
176    }
177  }
178
179  $enabled_by = array(); // keys ordered by all types
180  foreach(ImageStdParams::get_all_types() as $type)
181  {
182    if (isset($new_enabled[$type]))
183    {
184      $enabled_by[$type] = $new_enabled[$type];
185    }
186  }
187  ImageStdParams::set_and_save($enabled_by);
188
189  if (count($changed_types))
190  {
191    clear_derivative_cache($changed_types);
192  }
193
194  array_push(
195    $page['infos'],
196    l10n('Your configuration settings are saved')
197    );
198}
199else
200{
201  $template->assign('watermark', $pwatermark);
202  $template->assign('ferrors', $errors);
203}
204?>
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