source: trunk/include/common.inc.php @ 5241

Revision 5241, 9.2 KB checked in by plg, 10 years ago (diff)

feature 1505: improvement, ability to browse the empty gallery. The "no photo
yet" feature can be deactivated at session level.

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
24defined('PHPWG_ROOT_PATH') or trigger_error('Hacking attempt!', E_USER_ERROR);
25
26// determine the initial instant to indicate the generation time of this page
27$t1 = explode( ' ', microtime() );
28$t2 = explode( '.', $t1[0] );
29$t2 = $t1[1].'.'.$t2[1];
30
31@set_magic_quotes_runtime(0); // Disable magic_quotes_runtime
32
33//
34// addslashes to vars if magic_quotes_gpc is off this is a security
35// precaution to prevent someone trying to break out of a SQL statement.
36//
37if( !@get_magic_quotes_gpc() )
38{
39  function sanitize_mysql_kv(&$v, $k)
40  {
41    $v = addslashes($v);
42  }
43  if( is_array( $_GET ) )
44  {
45    array_walk_recursive( $_GET, 'sanitize_mysql_kv' );
46  }
47  if( is_array( $_POST ) )
48  {
49    array_walk_recursive( $_POST, 'sanitize_mysql_kv' );
50  }
51  if( is_array( $_COOKIE ) )
52  {
53    array_walk_recursive( $_COOKIE, 'sanitize_mysql_kv' );
54  }
55}
56if ( !empty($_SERVER["PATH_INFO"]) )
57{
58  $_SERVER["PATH_INFO"] = addslashes($_SERVER["PATH_INFO"]);
59}
60
61//
62// Define some basic configuration arrays this also prevents malicious
63// rewriting of language and otherarray values via URI params
64//
65$conf = array();
66$page = array();
67$user = array();
68$lang = array();
69$header_msgs = array();
70$header_notes = array();
71$filter = array();
72
73@include(PHPWG_ROOT_PATH .'local/config/database.inc.php');
74if (!defined('PHPWG_INSTALLED'))
75{
76  header('Location: install.php');
77  exit;
78}
79
80foreach( array(
81  'array_intersect_key', //PHP 5 >= 5.1.0RC1
82  'hash_hmac', //(hash) - enabled by default as of PHP 5.1.2
83  'preg_last_error', // PHP 5 >= 5.2.0
84  ) as $func)
85{
86  if (!function_exists($func))
87  {
88    include_once(PHPWG_ROOT_PATH . 'include/php_compat/'.$func.'.php');
89  }
90}
91
92include(PHPWG_ROOT_PATH . 'include/config_default.inc.php');
93@include(PHPWG_ROOT_PATH. 'local/config/config.inc.php');
94include(PHPWG_ROOT_PATH .'include/dblayer/functions_'.$conf['dblayer'].'.inc.php');
95
96if(isset($conf['show_php_errors']) && !empty($conf['show_php_errors']))
97{
98  @ini_set('error_reporting', $conf['show_php_errors']);
99  @ini_set('display_errors', true);
100}
101
102include(PHPWG_ROOT_PATH . 'include/constants.php');
103include(PHPWG_ROOT_PATH . 'include/functions.inc.php');
104include( PHPWG_ROOT_PATH .'include/template.class.php');
105
106// Database connection
107try
108{
109  $pwg_db_link = pwg_db_connect($conf['db_host'], $conf['db_user'],
110                                $conf['db_password'], $conf['db_base']);
111}
112catch (Exception $e)
113{
114  my_error(l10n($e->getMessage(), true)); 
115}
116
117pwg_db_check_charset();
118
119load_conf_from_db();
120load_plugins();
121
122include(PHPWG_ROOT_PATH.'include/user.inc.php');
123
124if (in_array( substr($user['language'],0,2), array('fr','it','de','es','pl','hu','ru') ) )
125{
126  define('PHPWG_DOMAIN', substr($user['language'],0,2).'.piwigo.org');
127}
128elseif ('zh_CN' == $user['language']) {
129  define('PHPWG_DOMAIN', 'cn.piwigo.org');
130}
131else {
132  define('PHPWG_DOMAIN', 'piwigo.org');
133}
134define('PHPWG_URL', 'http://'.PHPWG_DOMAIN);
135define('PEM_URL', 'http://'.PHPWG_DOMAIN.'/ext');
136
137
138// language files
139load_language('common.lang');
140if ( is_admin() || (defined('IN_ADMIN') and IN_ADMIN) )
141{
142  load_language('admin.lang');
143}
144trigger_action('loading_lang');
145load_language('lang', PHPWG_ROOT_PATH.'local/', array('no_fallback'=>true, 'local'=>true) );
146
147// only now we can set the localized username of the guest user (and not in
148// include/user.inc.php)
149if (is_a_guest())
150{
151  $user['username'] = l10n('guest');
152}
153
154// template instance
155if (( defined('IN_ADMIN') and IN_ADMIN )
156    or (defined('PWG_HELP') and PWG_HELP))
157{// Admin template
158  $template = new Template(PHPWG_ROOT_PATH.'admin/themes', $conf['admin_theme']);
159}
160else
161{ // Classic template
162  $template = new Template(PHPWG_ROOT_PATH.'themes', $user['theme'] );
163}
164
165// The "No Photo Yet" feature: if you have no photo yet in your gallery, the
166// gallery displays only a big box to show you the way for adding your first
167// photos
168if (
169  !isset($conf['no_photo_yet'])             // the message disappears at first photo
170  and !(defined('IN_ADMIN') and IN_ADMIN)   // no message inside administration
171  and script_basename() != 'identification' // keep the ability to login
172  and !isset($_SESSION['no_photo_yet'])     // temporary hide
173  )
174{
175  $query = '
176SELECT
177    COUNT(*)
178  FROM '.IMAGES_TABLE.'
179;';
180  list($nb_photos) = pwg_db_fetch_row(pwg_query($query));
181  if (0 == $nb_photos)
182  {
183    if (isset($_GET['no_photo_yet']))
184    {
185      if ('browse' == $_GET['no_photo_yet'])
186      {
187        $_SESSION['no_photo_yet'] = 'browse';
188        redirect(make_index_url());
189        exit();
190      }
191
192      if ('deactivate' == $_GET['no_photo_yet'])
193      {
194        conf_update_param('no_photo_yet', 'false');
195        redirect(make_index_url());
196        exit();
197      }
198    }
199   
200    $template->set_filenames(array('no_photo_yet'=>'no_photo_yet.tpl'));
201   
202    if (is_admin())
203    {     
204      $url = $conf['no_photo_yet_url'];
205      if (substr($url, 0, 4) != 'http')
206      {
207        $url = get_root_url().$url;
208      }
209     
210      $template->assign(
211        array(
212          'step' => 2,
213          'intro' => sprintf(
214            l10n('Hello %s, your Piwigo photo gallery is empty!'),
215            $user['username']
216            ),
217          'next_step_url' => $url,
218          'deactivate_url' => get_root_url().'?no_photo_yet=deactivate',
219          )
220        );
221    }
222    else
223    {
224     
225      $template->assign(
226        array(
227          'step' => 1,
228          'U_LOGIN' => 'identification.php',
229          'deactivate_url' => get_root_url().'?no_photo_yet=browse',
230          )
231        );
232    }
233   
234    $template->pparse('no_photo_yet');
235    exit();
236  }
237  else
238  {
239    conf_update_param('no_photo_yet', 'false');
240  }
241}
242
243if (isset($user['internal_status']['guest_must_be_guest'])
244    and
245    $user['internal_status']['guest_must_be_guest'] === true)
246{
247  $header_msgs[] = l10n('Bad status for user "guest", using default status. Please notify the webmaster.');
248}
249
250if ($conf['gallery_locked'])
251{
252  $header_msgs[] = l10n('The gallery is locked for maintenance. Please, come back later.');
253
254  if ( script_basename() != 'identification' and !is_admin() )
255  {
256    set_status_header(503, 'Service Unavailable');
257    @header('Retry-After: 900');
258    header('Content-Type: text/html; charset='.get_pwg_charset());
259    echo '<a href="'.get_absolute_root_url(false).'identification.php">'.l10n('The gallery is locked for maintenance. Please, come back later.').'</a>';
260    echo str_repeat( ' ', 512); //IE6 doesn't error output if below a size
261    exit();
262  }
263}
264
265if ($conf['check_upgrade_feed'])
266{
267  include_once(PHPWG_ROOT_PATH.'admin/include/functions_upgrade.php');
268  if (check_upgrade_feed())
269  {
270    $header_msgs[] = 'Some database upgrades are missing, '
271      .'<a href="'.get_absolute_root_url(false).'upgrade_feed.php">upgrade now</a>';
272  }
273}
274
275if (is_adviser())
276{
277  $header_msgs[] = l10n('Adviser mode enabled');
278}
279
280if (count($header_msgs) > 0)
281{
282  $template->assign('header_msgs', $header_msgs);
283  $header_msgs=array();
284}
285
286if (!empty($conf['filter_pages']) and get_filter_page_value('used'))
287{
288  include(PHPWG_ROOT_PATH.'include/filter.inc.php');
289}
290else
291{
292  $filter['enabled'] = false;
293}
294
295if (isset($conf['header_notes']))
296{
297  $header_notes = array_merge($header_notes, $conf['header_notes']);
298}
299
300// default event handlers
301add_event_handler('render_category_literal_description', 'render_category_literal_description');
302if ( !$conf['allow_html_descriptions'] )
303{
304  add_event_handler('render_category_description', 'nl2br');
305}
306add_event_handler('render_comment_content', 'htmlspecialchars');
307add_event_handler('render_comment_content', 'parse_comment_content');
308add_event_handler('render_comment_author', 'strip_tags');
309add_event_handler('blockmanager_register_blocks', 'register_default_menubar_blocks', EVENT_HANDLER_PRIORITY_NEUTRAL-1);
310trigger_action('init');
311?>
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