diff options
Diffstat (limited to 'BSF/include/section_init.inc.php')
| -rw-r--r-- | BSF/include/section_init.inc.php | 620 |
1 files changed, 620 insertions, 0 deletions
diff --git a/BSF/include/section_init.inc.php b/BSF/include/section_init.inc.php new file mode 100644 index 000000000..ffd6cac1a --- /dev/null +++ b/BSF/include/section_init.inc.php @@ -0,0 +1,620 @@ +<?php +// +-----------------------------------------------------------------------+ +// | Piwigo - a PHP based picture gallery | +// +-----------------------------------------------------------------------+ +// | Copyright(C) 2008 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. | +// +-----------------------------------------------------------------------+ + +/** + * This included page checks section related parameter and provides + * following informations: + * + * - $page['title'] + * + * - $page['items']: ordered list of items to display + * + */ + +// "index.php?/category/12-foo/start-24" or +// "index.php/category/12-foo/start-24" +// must return : +// +// array( +// 'section' => 'categories', +// 'category' => array('id'=>12, ...), +// 'start' => 24 +// ); + +$page['items'] = array(); + +// some ISPs set PATH_INFO to empty string or to SCRIPT_FILENAME while in the +// default apache implementation it is not set +if ( $conf['question_mark_in_urls']==false and + isset($_SERVER["PATH_INFO"]) and !empty($_SERVER["PATH_INFO"]) ) +{ + $rewritten = $_SERVER["PATH_INFO"]; + $rewritten = str_replace('//', '/', $rewritten); + $path_count = count( explode('/', $rewritten) ); + $page['root_path'] = PHPWG_ROOT_PATH.str_repeat('../', $path_count-1); +} +else +{ + $rewritten = ''; + foreach (array_keys($_GET) as $keynum => $key) + { + $rewritten = $key; + break; + } + $page['root_path'] = PHPWG_ROOT_PATH; +} + +// deleting first "/" if displayed +$tokens = explode( + '/', + preg_replace('#^/#', '', $rewritten) + ); +// $tokens = array( +// 0 => category, +// 1 => 12-foo, +// 2 => start-24 +// ); + +$next_token = 0; +if (script_basename() == 'picture') // basename without file extention +{ // the first token must be the identifier for the picture + if ( isset($_GET['image_id']) + and isset($_GET['cat']) and is_numeric($_GET['cat']) ) + {// url compatibility with versions below 1.6 + $url = make_picture_url( array( + 'section' => 'categories', + 'category' => get_cat_info($_GET['cat']), + 'image_id' => $_GET['image_id'] + ) ); + redirect($url); + } + $token = $tokens[$next_token]; + $next_token++; + if ( is_numeric($token) ) + { + $page['image_id'] = $token; + } + else + { + preg_match('/^(\d+-)?(.*)?$/', $token, $matches); + if (isset($matches[1]) and is_numeric($matches[1]=rtrim($matches[1],'-')) ) + { + $page['image_id'] = $matches[1]; + if ( !empty($matches[2]) ) + { + $page['image_file'] = $matches[2]; + } + } + else + { + if ( !empty($matches[2]) ) + { + $page['image_file'] = $matches[2]; + } + else + { + bad_request('picture identifier is missing'); + } + } + } +} + +$page = array_merge( $page, parse_section_url( $tokens, $next_token) ); +if ( !isset($page['section']) ) +{ + $page['section'] = 'categories'; + + switch (script_basename()) + { + case 'picture': + break; + case 'index': + { + // No section defined, go to selected url + if (!empty($conf['random_index_redirect']) and empty($tokens[$next_token]) ) + { + $random_index_redirect = array(); + foreach ($conf['random_index_redirect'] as $random_url => $random_url_condition) + { + if (empty($random_url_condition) or eval($random_url_condition)) + { + $random_index_redirect[] = $random_url; + } + } + if (!empty($random_index_redirect)) + { + redirect($random_index_redirect[mt_rand(0, count($random_index_redirect)-1)]); + } + } + break; + } + default: + trigger_error('script_basename "'.script_basename().'" unknown', + E_USER_WARNING); + } +} + + +$page = array_merge( $page, parse_well_known_params_url( $tokens, $next_token) ); + + +if ( script_basename()=='picture' and 'categories'==$page['section'] and + !isset($page['category']) and !isset($page['chronology_field']) ) +{ //access a picture only by id, file or id-file without given section + $page['flat']=true; +} + +// $page['nb_image_page'] is the number of picture to display on this page +// By default, it is the same as the $user['nb_image_page'] +$page['nb_image_page'] = $user['nb_image_page']; + +if (pwg_get_session_var('image_order',0) > 0) +{ + $orders = get_category_preferred_image_orders(); + + $conf['order_by'] = str_replace( + 'ORDER BY ', + 'ORDER BY '.$orders[ pwg_get_session_var('image_order',0) ][1].',', + $conf['order_by'] + ); + $page['super_order_by'] = true; +} + +$forbidden = get_sql_condition_FandF( + array + ( + 'forbidden_categories' => 'category_id', + 'visible_categories' => 'category_id', + 'visible_images' => 'id' + ), + 'AND' + ); + +// +-----------------------------------------------------------------------+ +// | category | +// +-----------------------------------------------------------------------+ +if ('categories' == $page['section']) +{ + if (isset($page['category'])) + { + $page = array_merge( + $page, + array( + 'comment' => + trigger_event( + 'render_category_description', + $page['category']['comment'], + 'main_page_category_description' + ), + 'title' => + get_cat_display_name($page['category']['upper_names'], '', false), + ) + ); + } + else + { + $page['title'] = l10n('no_category'); + } + + if + ( + (!isset($page['chronology_field'])) and + ( + (isset($page['category'])) or + (isset($page['flat'])) + ) + ) + { + if ( !empty($page['category']['image_order']) and !isset($page['super_order_by']) ) + { + $conf[ 'order_by' ] = ' ORDER BY '.$page['category']['image_order']; + } + + if (isset($page['flat'])) + {// flat categories mode + if ( isset($page['category']) ) + { // get all allowed sub-categories + $query = ' +SELECT id + FROM '.CATEGORIES_TABLE.' + WHERE + uppercats LIKE "'.$page['category']['uppercats'].',%" ' + .get_sql_condition_FandF( + array + ( + 'forbidden_categories' => 'id', + 'visible_categories' => 'id', + ), + "\n AND" + ); + $subcat_ids = array_from_query($query, 'id'); + $subcat_ids[] = $page['category']['id']; + $where_sql = 'category_id IN ('.implode(',',$subcat_ids).')'; + // remove categories from forbidden because just checked above + $forbidden = get_sql_condition_FandF( + array( 'visible_images' => 'id' ), + 'AND' + ); + } + else + { + $where_sql = '1=1'; + } + } + else + {// Normal mode + $where_sql = 'category_id = '.$page['category']['id']; + } + + // Main query + $query = ' +SELECT DISTINCT(image_id) + FROM '.IMAGE_CATEGORY_TABLE.' + INNER JOIN '.IMAGES_TABLE.' ON id = image_id + WHERE + '.$where_sql.' +'.$forbidden.' + '.$conf['order_by'].' +;'; + + $page['items'] = array_from_query($query, 'image_id'); + } //otherwise the calendar will requery all subitems +} +// special sections +else +{ +// +-----------------------------------------------------------------------+ +// | tags section | +// +-----------------------------------------------------------------------+ + if ($page['section'] == 'tags') + { + $page['tag_ids'] = array(); + foreach ($page['tags'] as $tag) + { + array_push($page['tag_ids'], $tag['id']); + } + + $items = get_image_ids_for_tags($page['tag_ids']); + + // permissions depends on category, so to only keep images that are + // reachable to the connected user, we need to check category + // associations + if (!empty($items) ) + { + $query = ' +SELECT DISTINCT image_id + FROM '.IMAGE_CATEGORY_TABLE.' INNER JOIN '.IMAGES_TABLE.' ON image_id=id + WHERE image_id IN ('.implode(',', $items).') + '.$forbidden. + $conf['order_by'].' +;'; + $items = array_from_query($query, 'image_id'); + } + + $title = get_tags_content_title(); + + $page = array_merge( + $page, + array( + 'title' => $title, + 'items' => $items, + ) + ); + } +// +-----------------------------------------------------------------------+ +// | search section | +// +-----------------------------------------------------------------------+ + if ($page['section'] == 'search') + { + include_once( PHPWG_ROOT_PATH .'include/functions_search.inc.php' ); + + $search_result = get_search_results($page['search']); + if ( !empty($search_result['items']) and !isset($search_result['as_is']) ) + { + $query = ' +SELECT DISTINCT(id) + FROM '.IMAGES_TABLE.' + INNER JOIN '.IMAGE_CATEGORY_TABLE.' AS ic ON id = ic.image_id + WHERE id IN ('.implode(',', $search_result['items']).') + '.$forbidden.' + '.$conf['order_by'].' +;'; + $page['items'] = array_from_query($query, 'id'); + } + else + { + $page['items'] = $search_result['items']; + if ( isset($search_result['qs']) ) + {//save the details of the query search + $page['qsearch_details'] = $search_result['qs']; + } + } + + $page = array_merge( + $page, + array( + 'title' => '<a href="'.duplicate_index_url(array('start'=>0)).'">' + .l10n('search_result').'</a>', + ) + ); + } +// +-----------------------------------------------------------------------+ +// | favorite section | +// +-----------------------------------------------------------------------+ + else if ($page['section'] == 'favorites') + { + check_user_favorites(); + + $query = ' +SELECT image_id + FROM '.FAVORITES_TABLE.' + INNER JOIN '.IMAGES_TABLE.' ON image_id = id + WHERE user_id = '.$user['id'].' +'.get_sql_condition_FandF + ( + array + ( + 'visible_images' => 'image_id' + ), + 'AND' + ).' + '.$conf['order_by'].' +;'; + + $page = array_merge( + $page, + array( + 'title' => l10n('favorites'), + 'items' => array_from_query($query, 'image_id'), + ) + ); + } +// +-----------------------------------------------------------------------+ +// | 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( + $page, + array( + 'title' => '<a href="'.duplicate_index_url(array('start'=>0)).'">' + .l10n('recent_pics_cat').'</a>', + 'items' => array_from_query($query, 'id'), + ) + ); + } +// +-----------------------------------------------------------------------+ +// | recently updated categories section | +// +-----------------------------------------------------------------------+ + else if ($page['section'] == 'recent_cats') + { + $page = array_merge( + $page, + array( + 'title' => l10n('recent_cats_cat'), + ) + ); + } +// +-----------------------------------------------------------------------+ +// | most visited section | +// +-----------------------------------------------------------------------+ + else if ($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( + $page, + array( + 'title' => '<a href="'.duplicate_index_url(array('start'=>0)).'">' + .$conf['top_number'].' '.l10n('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( + $page, + array( + 'title' => '<a href="'.duplicate_index_url(array('start'=>0)).'">' + .$conf['top_number'].' '.l10n('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( + $page, + array( + 'title' => '<a href="'.duplicate_index_url(array('start'=>0)).'">' + .l10n('random_cat').'</a>', + 'items' => array_from_query($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 file LIKE "' . $page['image_file'] . '.%" ESCAPE "|"'; + if ( count($page['items']) < 500) + {// for very large item sets do not add IN - because slow + $query .= ' + AND id IN ('.implode(',',$page['items']).') + LIMIT 0,1'; + } + $result = pwg_query($query); + switch (mysql_num_rows($result)) + { + case 0: break; + case 1: + list($page['image_id'], $page['image_file']) = mysql_fetch_row($result); + break; + default: // more than 1 file name match + while ($row = mysql_fetch_row($result) ) + { + if ( in_array($row[0], $page['items']) ) + { + list($page['image_id'], $page['image_file']) = $row; + break; + } + } + } + } + if ( !isset($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']) and isset($page['category']) ) + or 'list'==$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']) +{ + $page['meta_robots']['noindex']=1; +} +elseif ('search'==$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'); +?>
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