5f4f11299a
added rel nofollow for the metadata link on picture page changed h2 background color style in dark/mail-css (was not readable when images are not downloaded) git-svn-id: http://piwigo.org/svn/branches/branch-1_7@1949 68402e56-0260-453c-a942-63ccdbb3a9ee
761 lines
No EOL
20 KiB
PHP
761 lines
No EOL
20 KiB
PHP
<?php
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// +-----------------------------------------------------------------------+
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// | PhpWebGallery - a PHP based picture gallery |
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// | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net |
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// | Copyright (C) 2003-2007 PhpWebGallery Team - http://phpwebgallery.net |
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// +-----------------------------------------------------------------------+
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// | file : $Id$
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// | last update : $Date$
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// | last modifier : $Author$
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// | revision : $Revision$
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// +-----------------------------------------------------------------------+
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// | This program is free software; you can redistribute it and/or modify |
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// | it under the terms of the GNU General Public License as published by |
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// | the Free Software Foundation |
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// | |
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// | This program is distributed in the hope that it will be useful, but |
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// | WITHOUT ANY WARRANTY; without even the implied warranty of |
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// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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// | General Public License for more details. |
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// | |
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// | You should have received a copy of the GNU General Public License |
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// | along with this program; if not, write to the Free Software |
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// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
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// | USA. |
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// +-----------------------------------------------------------------------+
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/**
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* This included page checks section related parameter and provides
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* following informations:
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*
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* - $page['title']
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*
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* - $page['items']: ordered list of items to display
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*
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*/
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// "index.php?/category/12-foo/start-24" or
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// "index.php/category/12-foo/start-24"
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// must return :
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//
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// array(
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// 'section' => 'categories',
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// 'category' => array('id'=>12, ...),
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// 'start' => 24
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// );
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$page['items'] = array();
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// some ISPs set PATH_INFO to empty string or to SCRIPT_FILENAME while in the
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// default apache implementation it is not set
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if ( $conf['question_mark_in_urls']==false and
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isset($_SERVER["PATH_INFO"]) and !empty($_SERVER["PATH_INFO"]) )
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{
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$rewritten = $_SERVER["PATH_INFO"];
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$rewritten = str_replace('//', '/', $rewritten);
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$path_count = count( explode('/', $rewritten) );
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$page['root_path'] = PHPWG_ROOT_PATH.str_repeat('../', $path_count-1);
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}
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else
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{
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$rewritten = '';
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foreach (array_keys($_GET) as $keynum => $key)
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{
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$rewritten = $key;
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break;
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}
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$page['root_path'] = PHPWG_ROOT_PATH;
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}
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// deleting first "/" if displayed
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$tokens = explode(
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'/',
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preg_replace('#^/#', '', $rewritten)
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);
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// $tokens = array(
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// 0 => category,
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// 1 => 12-foo,
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// 2 => start-24
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// );
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$next_token = 0;
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if (script_basename() == 'picture') // basename without file extention
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{ // the first token must be the identifier for the picture
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if ( isset($_GET['image_id'])
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and isset($_GET['cat']) and is_numeric($_GET['cat']) )
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{// url compatibility with versions below 1.6
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$url = make_picture_url( array(
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'section' => 'categories',
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'category' => get_cat_info($_GET['cat']),
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'image_id' => $_GET['image_id']
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) );
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redirect($url);
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}
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$token = $tokens[$next_token];
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$next_token++;
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if ( is_numeric($token) )
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{
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$page['image_id'] = $token;
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}
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else
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{
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preg_match('/^(\d+-)?(.*)?$/', $token, $matches);
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if (isset($matches[1]) and is_numeric($matches[1]=rtrim($matches[1],'-')) )
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{
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$page['image_id'] = $matches[1];
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if ( !empty($matches[2]) )
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{
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$page['image_file'] = $matches[2];
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}
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}
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else
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{
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if ( !empty($matches[2]) )
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{
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$page['image_file'] = $matches[2];
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}
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else
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{
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bad_request('picture identifier is missing');
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}
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}
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}
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}
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if (0 === strpos(@$tokens[$next_token], 'categor'))
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{
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$page['section'] = 'categories';
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$next_token++;
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if (isset($tokens[$next_token]) )
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{
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if (preg_match('/^(\d+)(?:-(.+))?$/', $tokens[$next_token], $matches))
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{
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if ( isset($matches[2]) )
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$page['hit_by']['cat_url_name'] = $matches[2];
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$page['category'] = $matches[1];
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$next_token++;
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}
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else
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{
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if ( strpos($tokens[$next_token], 'created-')!==0
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and strpos($tokens[$next_token], 'posted-')!==0
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and $tokens[$next_token] != 'flat')
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{// try a permalink
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$cat_id = get_cat_id_from_permalink($tokens[$next_token]);
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if ( !isset($cat_id) )
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{//try old permalink
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$cat_id = get_cat_id_from_old_permalink($tokens[$next_token], true);
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}
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if ( isset($cat_id) )
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{
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$page['category'] = $cat_id;
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$page['hit_by']['cat_permalink'] = $tokens[$next_token];
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}
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else
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{
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page_not_found('Permalink for album not found');
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}
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unset($cat_id);
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$next_token++;
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}
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}
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}
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}
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else if (0 === strpos(@$tokens[$next_token], 'tag'))
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{
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$page['section'] = 'tags';
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$page['tags'] = array();
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$next_token++;
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$i = $next_token;
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$requested_tag_ids = array();
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$requested_tag_url_names = array();
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while (isset($tokens[$i]))
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{
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if ( preg_match('/^(created-|posted-|start-(\d)+)/', $tokens[$i]) )
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break;
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if ( preg_match('/^(\d+)(?:-(.*))?/', $tokens[$i], $matches) )
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{
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array_push($requested_tag_ids, $matches[1]);
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}
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else
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{
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array_push($requested_tag_url_names, $tokens[$i]);
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}
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$i++;
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}
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$next_token = $i;
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if ( empty($requested_tag_ids) && empty($requested_tag_url_names) )
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{
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bad_request('at least one tag required');
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}
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$page['tags'] = find_tags($requested_tag_ids, $requested_tag_url_names);
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if ( empty($page['tags']) )
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{
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page_not_found('Requested tag does not exist', get_root_url().'tags.php' );
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}
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}
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else if (0 === strpos(@$tokens[$next_token], 'fav'))
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{
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$page['section'] = 'favorites';
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$next_token++;
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}
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else if ('most_visited' == @$tokens[$next_token])
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{
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$page['section'] = 'most_visited';
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$next_token++;
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}
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else if ('best_rated' == @$tokens[$next_token])
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{
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$page['section'] = 'best_rated';
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$next_token++;
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}
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else if ('recent_pics' == @$tokens[$next_token])
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{
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$page['section'] = 'recent_pics';
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$next_token++;
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}
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else if ('recent_cats' == @$tokens[$next_token])
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{
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$page['section'] = 'recent_cats';
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$next_token++;
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}
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else if ('search' == @$tokens[$next_token])
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{
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$page['section'] = 'search';
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$next_token++;
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preg_match('/(\d+)/', @$tokens[$next_token], $matches);
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if (!isset($matches[1]))
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{
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bad_request('search identifier is missing');
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}
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$page['search'] = $matches[1];
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$next_token++;
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}
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else if ('list' == @$tokens[$next_token])
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{
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$page['section'] = 'list';
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$next_token++;
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$page['list'] = array();
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// No pictures
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if (empty($tokens[$next_token]))
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{
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// Add dummy element list
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array_push($page['list'], -1);
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}
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// With pictures list
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else
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{
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if (!preg_match('/^\d+(,\d+)*$/', $tokens[$next_token]))
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{
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bad_request('wrong format on list GET parameter');
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}
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foreach (explode(',', $tokens[$next_token]) as $image_id)
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{
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array_push($page['list'], $image_id);
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}
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}
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$next_token++;
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}
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else
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{
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$page['section'] = 'categories';
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switch (script_basename())
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{
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case 'picture':
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{
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//access a picture only by id, file or id-file without given section
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$page['flat'] = true;
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break;
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}
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case 'index':
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{
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// No section defined, go to selected url
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if (!empty($conf['random_index_redirect']) and empty($tokens[$next_token]) )
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{
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$random_index_redirect = array();
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foreach ($conf['random_index_redirect'] as $random_url => $random_url_condition)
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{
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if (empty($random_url_condition) or eval($random_url_condition))
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{
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$random_index_redirect[] = $random_url;
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}
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}
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if (!empty($random_index_redirect))
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{
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redirect($random_index_redirect[mt_rand(0, count($random_index_redirect)-1)]);
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}
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}
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break;
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}
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default:
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trigger_error('script_basename "'.script_basename().'" unknown',
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E_USER_WARNING);
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}
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}
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$i = $next_token;
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while (isset($tokens[$i]))
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{
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if (preg_match('/^start-(\d+)/', $tokens[$i], $matches))
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{
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$page['start'] = $matches[1];
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}
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if ('categories' == $page['section'] and
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'flat' == $tokens[$i])
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{
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// indicate a special list of images
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$page['flat'] = true;
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}
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if (preg_match('/^(posted|created)/', $tokens[$i] ))
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{
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$chronology_tokens = explode('-', $tokens[$i] );
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$page['chronology_field'] = $chronology_tokens[0];
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array_shift($chronology_tokens);
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$page['chronology_style'] = $chronology_tokens[0];
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array_shift($chronology_tokens);
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if ( count($chronology_tokens)>0 )
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{
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if ('list'==$chronology_tokens[0] or
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'calendar'==$chronology_tokens[0])
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{
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$page['chronology_view'] = $chronology_tokens[0];
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array_shift($chronology_tokens);
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}
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$page['chronology_date'] = $chronology_tokens;
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}
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}
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$i++;
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}
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// $page['nb_image_page'] is the number of picture to display on this page
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// By default, it is the same as the $user['nb_image_page']
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$page['nb_image_page'] = $user['nb_image_page'];
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if (pwg_get_session_var('image_order',0) > 0)
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{
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$orders = get_category_preferred_image_orders();
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$conf['order_by'] = str_replace(
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'ORDER BY ',
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'ORDER BY '.$orders[ pwg_get_session_var('image_order',0) ][1].',',
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$conf['order_by']
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);
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$page['super_order_by'] = true;
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}
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$forbidden = get_sql_condition_FandF(
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array
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(
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'forbidden_categories' => 'category_id',
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'visible_categories' => 'category_id',
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'visible_images' => 'id'
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),
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'AND'
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);
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// +-----------------------------------------------------------------------+
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// | category |
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// +-----------------------------------------------------------------------+
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if ('categories' == $page['section'])
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{
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if (isset($page['category']))
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{
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$result = get_cat_info($page['category']);
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if (empty($result))
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{
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page_not_found('Requested category does not exist' );
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}
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$page = array_merge(
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$page,
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array(
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'comment' => $result['comment'],
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'category' => $result,
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'title' =>
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get_cat_display_name($result['upper_names'], '', false),
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)
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);
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}
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else
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{
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$page['title'] = $lang['no_category'];
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}
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if
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(
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(!isset($page['chronology_field'])) and
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(
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(isset($page['category'])) or
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(isset($page['flat']))
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)
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)
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{
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if ( !empty($result['image_order']) and !isset($page['super_order_by']) )
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{
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$conf[ 'order_by' ] = ' ORDER BY '.$result['image_order'];
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}
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if (isset($page['flat']))
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{// flat categories mode
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if ( isset($page['category']) )
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{
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$subcat_ids = get_subcat_ids( array($page['category']['id']) );
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$where_sql = 'category_id IN ('.implode(',',$subcat_ids).')';
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}
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else
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{
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$where_sql = '1=1';
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}
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}
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else
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{// Normal mode
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$where_sql = 'category_id = '.$page['category']['id'];
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}
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// Main query
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$query = '
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SELECT DISTINCT(image_id)
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FROM '.IMAGE_CATEGORY_TABLE.'
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INNER JOIN '.IMAGES_TABLE.' ON id = image_id
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WHERE
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'.$where_sql.'
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'.$forbidden.'
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'.$conf['order_by'].'
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;';
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$page['items'] = array_from_query($query, 'image_id');
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} //otherwise the calendar will requery all subitems
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}
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// special sections
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else
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{
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// +-----------------------------------------------------------------------+
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// | tags section |
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// +-----------------------------------------------------------------------+
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if ($page['section'] == 'tags')
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{
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$page['tag_ids'] = array();
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foreach ($page['tags'] as $tag)
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{
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array_push($page['tag_ids'], $tag['id']);
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}
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$items = get_image_ids_for_tags($page['tag_ids']);
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// permissions depends on category, so to only keep images that are
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// reachable to the connected user, we need to check category
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// associations
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if (!empty($items) )
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{
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$query = '
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SELECT image_id
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FROM '.IMAGE_CATEGORY_TABLE.' INNER JOIN '.IMAGES_TABLE.' ON image_id=id
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WHERE image_id IN ('.implode(',', $items).')
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'.$forbidden.
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$conf['order_by'].'
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;';
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$items = array_unique(
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array_from_query($query, 'image_id')
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);
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}
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$title = get_tags_content_title();
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$page = array_merge(
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$page,
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array(
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'title' => $title,
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'items' => array_values($items),
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)
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);
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}
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// +-----------------------------------------------------------------------+
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// | search section |
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// +-----------------------------------------------------------------------+
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if ($page['section'] == 'search')
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{
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include_once( PHPWG_ROOT_PATH .'include/functions_search.inc.php' );
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$search_result = get_search_results($page['search']);
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if ( !empty($search_result['items']) and !isset($search_result['as_is']) )
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{
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$query = '
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SELECT DISTINCT(id)
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FROM '.IMAGES_TABLE.'
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INNER JOIN '.IMAGE_CATEGORY_TABLE.' AS ic ON id = ic.image_id
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WHERE id IN ('.implode(',', $search_result['items']).')
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'.$forbidden.'
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'.$conf['order_by'].'
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;';
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$page['items'] = array_from_query($query, 'id');
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}
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else
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{
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$page['items'] = $search_result['items'];
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}
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$page = array_merge(
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$page,
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array(
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'title' => $lang['search_result'],
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)
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);
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}
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// +-----------------------------------------------------------------------+
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// | favorite section |
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// +-----------------------------------------------------------------------+
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else if ($page['section'] == 'favorites')
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{
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check_user_favorites();
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$query = '
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SELECT image_id
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FROM '.FAVORITES_TABLE.'
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INNER JOIN '.IMAGES_TABLE.' ON image_id = id
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WHERE user_id = '.$user['id'].'
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'.get_sql_condition_FandF
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(
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array
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(
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'visible_images' => 'image_id'
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),
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'AND'
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).'
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'.$conf['order_by'].'
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;';
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$page = array_merge(
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$page,
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array(
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'title' => $lang['favorites'],
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'items' => array_from_query($query, 'image_id'),
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)
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);
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}
|
|
// +-----------------------------------------------------------------------+
|
|
// | recent pictures section |
|
|
// +-----------------------------------------------------------------------+
|
|
else if ($page['section'] == 'recent_pics')
|
|
{
|
|
$query = '
|
|
SELECT DISTINCT(id)
|
|
FROM '.IMAGES_TABLE.'
|
|
INNER JOIN '.IMAGE_CATEGORY_TABLE.' AS ic ON id = ic.image_id
|
|
WHERE
|
|
date_available >= SUBDATE(
|
|
CURRENT_DATE,INTERVAL '.$user['recent_period'].' DAY)
|
|
'.$forbidden.'
|
|
'.$conf['order_by'].'
|
|
;';
|
|
|
|
$page = array_merge(
|
|
$page,
|
|
array(
|
|
'title' => '<a href="'.duplicate_index_url().'">'
|
|
.$lang['recent_pics_cat'].'</a>',
|
|
'items' => array_from_query($query, 'id'),
|
|
)
|
|
);
|
|
}
|
|
// +-----------------------------------------------------------------------+
|
|
// | recently updated categories section |
|
|
// +-----------------------------------------------------------------------+
|
|
else if ($page['section'] == 'recent_cats')
|
|
{
|
|
$page = array_merge(
|
|
$page,
|
|
array(
|
|
'title' => $lang['recent_cats_cat'],
|
|
)
|
|
);
|
|
}
|
|
// +-----------------------------------------------------------------------+
|
|
// | most visited section |
|
|
// +-----------------------------------------------------------------------+
|
|
else if ($page['section'] == 'most_visited')
|
|
{
|
|
$page['super_order_by'] = true;
|
|
$conf['order_by'] = ' ORDER BY hit DESC, file ASC';
|
|
$query = '
|
|
SELECT DISTINCT(id)
|
|
FROM '.IMAGES_TABLE.'
|
|
INNER JOIN '.IMAGE_CATEGORY_TABLE.' AS ic ON id = ic.image_id
|
|
WHERE hit > 0
|
|
'.$forbidden.'
|
|
'.$conf['order_by'].'
|
|
LIMIT 0, '.$conf['top_number'].'
|
|
;';
|
|
|
|
$page = array_merge(
|
|
$page,
|
|
array(
|
|
'title' => '<a href="'.duplicate_index_url().'">'
|
|
.$conf['top_number'].' '.$lang['most_visited_cat'].'</a>',
|
|
'items' => array_from_query($query, 'id'),
|
|
)
|
|
);
|
|
}
|
|
// +-----------------------------------------------------------------------+
|
|
// | best rated section |
|
|
// +-----------------------------------------------------------------------+
|
|
else if ($page['section'] == 'best_rated')
|
|
{
|
|
$page['super_order_by'] = true;
|
|
$conf['order_by'] = ' ORDER BY average_rate DESC, id ASC';
|
|
|
|
$query ='
|
|
SELECT DISTINCT(id)
|
|
FROM '.IMAGES_TABLE.'
|
|
INNER JOIN '.IMAGE_CATEGORY_TABLE.' AS ic ON id = ic.image_id
|
|
WHERE average_rate IS NOT NULL
|
|
'.$forbidden.'
|
|
'.$conf['order_by'].'
|
|
LIMIT 0, '.$conf['top_number'].'
|
|
;';
|
|
$page = array_merge(
|
|
$page,
|
|
array(
|
|
'title' => '<a href="'.duplicate_index_url().'">'
|
|
.$conf['top_number'].' '.$lang['best_rated_cat'].'</a>',
|
|
'items' => array_from_query($query, 'id'),
|
|
)
|
|
);
|
|
}
|
|
// +-----------------------------------------------------------------------+
|
|
// | list section |
|
|
// +-----------------------------------------------------------------------+
|
|
else if ($page['section'] == 'list')
|
|
{
|
|
$query ='
|
|
SELECT DISTINCT(id)
|
|
FROM '.IMAGES_TABLE.'
|
|
INNER JOIN '.IMAGE_CATEGORY_TABLE.' AS ic ON id = ic.image_id
|
|
WHERE image_id IN ('.implode(',', $page['list']).')
|
|
'.$forbidden.'
|
|
'.$conf['order_by'].'
|
|
;';
|
|
|
|
$page = array_merge(
|
|
$page,
|
|
array(
|
|
'title' => '<a href="'.duplicate_index_url().'">'
|
|
.$lang['random_cat'].'</a>',
|
|
'items' => array_from_query($query, 'id'),
|
|
)
|
|
);
|
|
}
|
|
}
|
|
|
|
// +-----------------------------------------------------------------------+
|
|
// | chronology |
|
|
// +-----------------------------------------------------------------------+
|
|
|
|
if (isset($page['chronology_field']))
|
|
{
|
|
include_once( PHPWG_ROOT_PATH.'include/functions_calendar.inc.php' );
|
|
initialize_calendar();
|
|
}
|
|
|
|
if (script_basename() == 'picture'
|
|
and !isset($page['image_id']) )
|
|
{
|
|
if ( !empty($page['items']) )
|
|
{
|
|
$query = '
|
|
SELECT id,file
|
|
FROM '.IMAGES_TABLE .'
|
|
WHERE id IN ('.implode(',',$page['items']).')
|
|
AND file LIKE "' . $page['image_file'] . '.%" ESCAPE "|"'
|
|
;
|
|
$result = pwg_query($query);
|
|
if (mysql_num_rows($result)>0)
|
|
{
|
|
list($page['image_id'], $page['image_file']) = mysql_fetch_row($result);
|
|
}
|
|
}
|
|
if ( !isset($page['image_id']) )
|
|
{
|
|
$page['image_id'] = -1; // will fail in picture.php
|
|
}
|
|
}
|
|
|
|
// add meta robots noindex, nofollow to avoid unnecesary robot crawls
|
|
$page['meta_robots']=array();
|
|
if ( isset($page['chronology_field']) or isset($page['flat'])
|
|
or 'list'==$page['section'] or 'recent_pics'==$page['section'] )
|
|
{
|
|
$page['meta_robots']=array('noindex'=>1, 'nofollow'=>1);
|
|
}
|
|
elseif ('tags' == $page['section'])
|
|
{
|
|
if ( count($page['tag_ids'])>1 )
|
|
{
|
|
$page['meta_robots']=array('noindex'=>1, 'nofollow'=>1);
|
|
}
|
|
}
|
|
elseif ('recent_cats'==$page['section'])
|
|
{
|
|
$page['meta_robots']['nofollow']=1;
|
|
}
|
|
if ( $filter['enabled'] )
|
|
{
|
|
$page['meta_robots']['noindex']=1;
|
|
}
|
|
|
|
// see if we need a redirect because of a permalink
|
|
if ( 'categories'==$page['section'] and isset($page['category']) )
|
|
{
|
|
$need_redirect=false;
|
|
if ( empty($page['category']['permalink']) )
|
|
{
|
|
if ( $conf['category_url_style'] == 'id-name' and
|
|
@$page['hit_by']['cat_url_name'] !== str2url($page['category']['name']) )
|
|
{
|
|
$need_redirect=true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ( $page['category']['permalink'] !== @$page['hit_by']['cat_permalink'] )
|
|
{
|
|
$need_redirect=true;
|
|
}
|
|
}
|
|
|
|
if ($need_redirect)
|
|
{
|
|
$redirect_url = ( script_basename()=='picture'
|
|
? duplicate_picture_url()
|
|
: duplicate_index_url()
|
|
);
|
|
if (!headers_sent())
|
|
{ // this is a permanent redirection
|
|
set_status_header(301);
|
|
redirect_http( $redirect_url );
|
|
}
|
|
redirect( $redirect_url );
|
|
}
|
|
unset( $need_redirect, $page['hit_by'] );
|
|
}
|
|
|
|
trigger_action('loc_end_section_init');
|
|
?>
|