aboutsummaryrefslogtreecommitdiffstats
path: root/admin/include/functions_upgrade.php
blob: 35e45b0324dc7105d4c9189021e424b0f5acf085 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
<?php
// +-----------------------------------------------------------------------+
// | Piwigo - a PHP based photo gallery                                    |
// +-----------------------------------------------------------------------+
// | Copyright(C) 2008-2012 Piwigo Team                  http://piwigo.org |
// | Copyright(C) 2003-2008 PhpWebGallery Team    http://phpwebgallery.net |
// | Copyright(C) 2002-2003 Pierrick LE GALL   http://le-gall.net/pierrick |
// +-----------------------------------------------------------------------+
// | 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.                                                                  |
// +-----------------------------------------------------------------------+

function check_upgrade()
{
  if (defined('PHPWG_IN_UPGRADE'))
  {
    return PHPWG_IN_UPGRADE;
  }
  return false;
}

// concerning upgrade, we use the default tables
function prepare_conf_upgrade()
{
  global $prefixeTable;

  // $conf is not used for users tables
  // define cannot be re-defined
  define('CATEGORIES_TABLE', $prefixeTable.'categories');
  define('COMMENTS_TABLE', $prefixeTable.'comments');
  define('CONFIG_TABLE', $prefixeTable.'config');
  define('FAVORITES_TABLE', $prefixeTable.'favorites');
  define('GROUP_ACCESS_TABLE', $prefixeTable.'group_access');
  define('GROUPS_TABLE', $prefixeTable.'groups');
  define('HISTORY_TABLE', $prefixeTable.'history');
  define('HISTORY_SUMMARY_TABLE', $prefixeTable.'history_summary');
  define('IMAGE_CATEGORY_TABLE', $prefixeTable.'image_category');
  define('IMAGES_TABLE', $prefixeTable.'images');
  define('SESSIONS_TABLE', $prefixeTable.'sessions');
  define('SITES_TABLE', $prefixeTable.'sites');
  define('USER_ACCESS_TABLE', $prefixeTable.'user_access');
  define('USER_GROUP_TABLE', $prefixeTable.'user_group');
  define('USERS_TABLE', $prefixeTable.'users');
  define('USER_INFOS_TABLE', $prefixeTable.'user_infos');
  define('USER_FEED_TABLE', $prefixeTable.'user_feed');
  define('RATE_TABLE', $prefixeTable.'rate');
  define('USER_CACHE_TABLE', $prefixeTable.'user_cache');
  define('USER_CACHE_CATEGORIES_TABLE', $prefixeTable.'user_cache_categories');
  define('CADDIE_TABLE', $prefixeTable.'caddie');
  define('UPGRADE_TABLE', $prefixeTable.'upgrade');
  define('SEARCH_TABLE', $prefixeTable.'search');
  define('USER_MAIL_NOTIFICATION_TABLE', $prefixeTable.'user_mail_notification');
  define('TAGS_TABLE', $prefixeTable.'tags');
  define('IMAGE_TAG_TABLE', $prefixeTable.'image_tag');
  define('PLUGINS_TABLE', $prefixeTable.'plugins');
  define('OLD_PERMALINKS_TABLE', $prefixeTable.'old_permalinks');
  define('THEMES_TABLE', $prefixeTable.'themes');
  define('LANGUAGES_TABLE', $prefixeTable.'languages');
}

// Deactivate all non-standard plugins
function deactivate_non_standard_plugins()
{
  global $page;

  $standard_plugins = array(
    'admin_multi_view',
    'c13y_upgrade',
    'event_tracer',
    'language_switch',
    'LocalFilesEditor'
    );

  $query = '
SELECT id
FROM '.PREFIX_TABLE.'plugins
WHERE state = \'active\'
AND id NOT IN (\'' . implode('\',\'', $standard_plugins) . '\')
;';

  $result = pwg_query($query);
  $plugins = array();
  while ($row = pwg_db_fetch_assoc($result))
  {
    array_push($plugins, $row['id']);
  }

  if (!empty($plugins))
  {
    $query = '
UPDATE '.PREFIX_TABLE.'plugins
SET state=\'inactive\'
WHERE id IN (\'' . implode('\',\'', $plugins) . '\')
;';
    pwg_query($query);

    array_push($page['infos'],
      l10n('As a precaution, following plugins have been deactivated. You must check for plugins upgrade before reactiving them:').'<p><i>'.implode(', ', $plugins).'</i></p>');
  }
}

// Deactivate all non-standard themes
function deactivate_non_standard_themes()
{
  global $page, $conf;

  $standard_themes = array(
    'clear',
    'Sylvia',
    'dark',
    'elegant',
    'smartpocket',
    );

  $query = '
SELECT
    id,
    name
  FROM '.PREFIX_TABLE.'themes
  WHERE id NOT IN (\''.implode("','", $standard_themes).'\')
;';
  $result = pwg_query($query);
  $theme_ids = array();
  $theme_names = array();
  while ($row = pwg_db_fetch_assoc($result))
  {
    array_push($theme_ids, $row['id']);
    array_push($theme_names, $row['name']);
  }

  if (!empty($theme_ids))
  {
    $query = '
DELETE
  FROM '.PREFIX_TABLE.'themes
  WHERE id IN (\''.implode("','", $theme_ids).'\')
;';
    pwg_query($query);

    array_push($page['infos'],
      l10n('As a precaution, following themes have been deactivated. You must check for themes upgrade before reactiving them:').'<p><i>'.implode(', ', $theme_names).'</i></p>');

    // what is the default theme?
    $query = '
SELECT theme
  FROM '.PREFIX_TABLE.'user_infos
  WHERE user_id = '.$conf['default_user_id'].'
;';
    list($default_theme) = pwg_db_fetch_row(pwg_query($query));

    // if the default theme has just been deactivated, let's set another core theme as default
    if (in_array($default_theme, $theme_ids))
    {
      $query = '
UPDATE '.PREFIX_TABLE.'user_infos
  SET theme = \'elegant\'
  WHERE user_id = '.$conf['default_user_id'].'
;';
      pwg_query($query);
    }
  }
}

// Deactivate all templates
function deactivate_templates()
{
  $query = '
  UPDATE '.PREFIX_TABLE.'config
    SET value = \''. array() .'\'
  WHERE param = \'extents_for_templates\';';
}

// Check access rights
function check_upgrade_access_rights()
{
  global $conf, $page, $current_release;

  if (version_compare($current_release, '2.0', '>=') and isset($_COOKIE[session_name()]))
  {
    // Check if user is already connected as webmaster
    session_start();
    if (!empty($_SESSION['pwg_uid']))
    {
      $query = '
SELECT status
  FROM '.USER_INFOS_TABLE.'
  WHERE user_id = '.$_SESSION['pwg_uid'].'
;';
      pwg_query($query);

      $row = pwg_db_fetch_assoc(pwg_query($query));
      if (isset($row['status']) and $row['status'] == 'webmaster')
      {
        define('PHPWG_IN_UPGRADE', true);
        return;
      }
    }
  }

  if (!isset($_POST['username']) or !isset($_POST['password']))
  {
    return;
  }

  $username = $_POST['username'];
  $password = $_POST['password'];

  if(!@get_magic_quotes_gpc())
  {
    $username = pwg_db_real_escape_string($username);
  }

  if (version_compare($current_release, '2.0', '<'))
  {
    $username = utf8_decode($username);
    $password = utf8_decode($password);
  }

  if (version_compare($current_release, '1.5', '<'))
  {
    $query = '
SELECT password, status
FROM '.USERS_TABLE.'
WHERE username = \''.$username.'\'
;';
  }
  else
  {
    $query = '
SELECT u.password, ui.status
FROM '.USERS_TABLE.' AS u
INNER JOIN '.USER_INFOS_TABLE.' AS ui
ON u.'.$conf['user_fields']['id'].'=ui.user_id
WHERE '.$conf['user_fields']['username'].'=\''.$username.'\'
;';
  }
  $row = pwg_db_fetch_assoc(pwg_query($query));

  if (!$conf['password_verify']($password, $row['password']))
  {
    array_push($page['errors'], l10n('Invalid password!'));
  }
  elseif ($row['status'] != 'admin' and $row['status'] != 'webmaster')
  {
    array_push($page['errors'], l10n('You do not have access rights to run upgrade'));
  }
  else
  {
    define('PHPWG_IN_UPGRADE', true);
  }
}

/**
 * which upgrades are available ?
 *
 * @return array
 */
function get_available_upgrade_ids()
{
  $upgrades_path = PHPWG_ROOT_PATH.'install/db';

  $available_upgrade_ids = array();

  if ($contents = opendir($upgrades_path))
  {
    while (($node = readdir($contents)) !== false)
    {
      if (is_file($upgrades_path.'/'.$node)
          and preg_match('/^(.*?)-database\.php$/', $node, $match))
      {
        array_push($available_upgrade_ids, $match[1]);
      }
    }
  }
  natcasesort($available_upgrade_ids);

  return $available_upgrade_ids;
}


/**
 * returns true if there are available upgrade files
 */
function check_upgrade_feed()
{
  // retrieve already applied upgrades
  $query = '
SELECT id
  FROM '.UPGRADE_TABLE.'
;';
  $applied = array_from_query($query, 'id');

  // retrieve existing upgrades
  $existing = get_available_upgrade_ids();

  // which upgrades need to be applied?
  return (count(array_diff($existing, $applied)) > 0);
}

function upgrade_db_connect()
{
  global $conf;

  try
  {
    $pwg_db_link = pwg_db_connect($conf['db_host'], $conf['db_user'], $conf['db_password'], $conf['db_base']);
    if ($pwg_db_link)
    {
      pwg_db_check_version();
    }
  }
  catch (Exception $e)
  {
    my_error(l10n($e->getMessage()), true); 
  }
}
?>