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piwigo_ynh/sources/include/section_init.inc.php
Jimmy Monin 11fd179d6d update to piwigo 2.8.2
2016-09-05 13:40:09 +02:00

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<?php
// +-----------------------------------------------------------------------+
// | Piwigo - a PHP based photo gallery |
// +-----------------------------------------------------------------------+
// | Copyright(C) 2008-2016 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();
$page['start'] = $page['startcat'] = 0;
// 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;
}
// the $_GET keys are not protected in include/common.inc.php, only the values
$rewritten = pwg_db_real_escape_string($rewritten);
$page['root_path'] = PHPWG_ROOT_PATH;
}
if ( strncmp($page['root_path'], './', 2) == 0 )
{
$page['root_path'] = substr($page['root_path'], 2);
}
// deleting first "/" if displayed
$tokens = explode('/', ltrim($rewritten, '/') );
// $tokens = array(
// 0 => category,
// 1 => 12-foo,
// 2 => start-24
// );
$next_token = 0;
// +-----------------------------------------------------------------------+
// | picture page |
// +-----------------------------------------------------------------------+
// the first token must be the identifier for the picture
if (script_basename() == 'picture')
{
$token = $tokens[$next_token];
$next_token++;
if ( is_numeric($token) )
{
$page['image_id'] = $token;
if ($page['image_id']==0)
{
bad_request('invalid picture identifier');
}
}
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
{
$page['image_id'] = 0; // more work in picture.php
if ( !empty($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']) )
{
$page['section'] = 'categories';
switch (script_basename())
{
case 'picture':
break;
case 'index':
{
// No section defined, go to random url
if ( !empty($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)]);
}
}
$page['is_homepage'] = true;
break;
}
default:
trigger_error('script_basename "'.script_basename().'" unknown',
E_USER_WARNING);
}
}
$page = array_merge( $page, parse_well_known_params_url( $tokens, $next_token) );
//access a picture only by id, file or id-file without given section
if ( script_basename()=='picture' and 'categories'==$page['section'] and
!isset($page['category']) and !isset($page['chronology_field']) )
{
$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 flat mode is active, we must consider the image set as a standard set
// and not as a category set because we can't use the #image_category.rank :
// displayed images are not directly linked to the displayed category
if ('categories' == $page['section'] and !isset($page['flat']))
{
$conf['order_by'] = $conf['order_by_inside_category'];
}
if (pwg_get_session_var('image_order',0) > 0)
{
$image_order_id = pwg_get_session_var('image_order');
$orders = get_category_preferred_image_orders();
// the current session stored image_order might be not compatible with
// current image set, for example if the current image_order is the rank
// and that we are displaying images related to a tag.
//
// In case of incompatibility, the session stored image_order is removed.
if ($orders[$image_order_id][2])
{
$conf['order_by'] = str_replace(
'ORDER BY ',
'ORDER BY '.$orders[$image_order_id][1].',',
$conf['order_by']
);
$page['super_order_by'] = true;
}
else
{
pwg_unset_session_var('image_order');
$page['super_order_by'] = false;
}
}
$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_change(
'render_category_description',
$page['category']['comment'],
'main_page_category_description'
),
'title' => get_cat_display_name($page['category']['upper_names'], '', false),
)
);
}
else
{
$page['title'] = ''; // will be set later
}
// GET IMAGES LIST
if
(
$page['startcat'] == 0 and
(!isset($page['chronology_field'])) and // otherwise the calendar will requery all subitems
(
(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'];
}
// flat categories mode
if (isset($page['flat']))
{
// get all allowed sub-categories
if ( isset($page['category']) )
{
$query = '
SELECT id
FROM '.CATEGORIES_TABLE.'
WHERE
uppercats LIKE \''.$page['category']['uppercats'].',%\' '
.get_sql_condition_FandF(
array(
'forbidden_categories' => 'id',
'visible_categories' => 'id',
),
"\n AND"
);
$subcat_ids = query2array($query,null, '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
{
$cache_key = $persistent_cache->make_key('all_iids'.$user['id'].$user['cache_update_time'].$conf['order_by']);
unset($page['is_homepage']);
$where_sql = '1=1';
}
}
// normal mode
else
{
$where_sql = 'category_id = '.$page['category']['id'];
}
if ( !isset($cache_key) || !$persistent_cache->get($cache_key, $page['items']))
{
// 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'].'
;';
$page['items'] = query2array($query,null, 'image_id');
if ( isset($cache_key) )
$persistent_cache->set($cache_key, $page['items']);
}
}
}
// special sections
else
{
// +-----------------------------------------------------------------------+
// | tags section |
// +-----------------------------------------------------------------------+
if ($page['section'] == 'tags')
{
$page['tag_ids'] = array();
foreach ($page['tags'] as $tag)
{
$page['tag_ids'][] = $tag['id'];
}
$items = get_image_ids_for_tags($page['tag_ids']);
$page = array_merge(
$page,
array(
'title' => get_tags_content_title(),
'items' => $items,
)
);
}
// +-----------------------------------------------------------------------+
// | search section |
// +-----------------------------------------------------------------------+
else if ($page['section'] == 'search')
{
include_once( PHPWG_ROOT_PATH .'include/functions_search.inc.php' );
$search_result = get_search_results($page['search'], @$page['super_order_by'] );
//save the details of the query search
if ( isset($search_result['qs']) )
{
$page['qsearch_details'] = $search_result['qs'];
}
$page = array_merge(
$page,
array(
'items' => $search_result['items'],
'title' => '<a href="'.duplicate_index_url(array('start'=>0)).'">'
.l10n('Search results').'</a>',
)
);
}
// +-----------------------------------------------------------------------+
// | favorite section |
// +-----------------------------------------------------------------------+
else if ($page['section'] == 'favorites')
{
check_user_favorites();
$page = array_merge(
$page,
array(
'title' => l10n('Favorites')
)
);
if (!empty($_GET['action']) && ($_GET['action'] == 'remove_all_from_favorites'))
{
$query = '
DELETE FROM '.FAVORITES_TABLE.'
WHERE user_id = '.$user['id'].'
;';
pwg_query($query);
redirect(make_index_url( array('section'=>'favorites') ));
}
else
{
$query = '
SELECT image_id
FROM '.FAVORITES_TABLE.'
INNER JOIN '.IMAGES_TABLE.' ON image_id = id
WHERE user_id = '.$user['id'].'
'.get_sql_condition_FandF(
array(
'visible_images' => 'id'
),
'AND'
).'
'.$conf['order_by'].'
;';
$page = array_merge(
$page,
array(
'items' => query2array($query,null, 'image_id'),
)
);
if (count($page['items'])>0)
{
$template->assign(
'favorite',
array(
'U_FAVORITE' => add_url_params(
make_index_url( array('section'=>'favorites') ),
array('action'=>'remove_all_from_favorites')
),
)
);
}
}
}
// +-----------------------------------------------------------------------+
// | recent pictures section |
// +-----------------------------------------------------------------------+
else if ($page['section'] == 'recent_pics')
{
if ( !isset($page['super_order_by']) )
{
$conf['order_by'] = str_replace(
'ORDER BY ',
'ORDER BY date_available DESC,',
$conf['order_by']
);
}
$query = '
SELECT DISTINCT(id)
FROM '.IMAGES_TABLE.'
INNER JOIN '.IMAGE_CATEGORY_TABLE.' AS ic ON id = ic.image_id
WHERE '
.get_recent_photos_sql('date_available').'
'.$forbidden
.$conf['order_by'].'
;';
$page = array_merge(
$page,
array(
'title' => '<a href="'.duplicate_index_url(array('start'=>0)).'">'
.l10n('Recent photos').'</a>',
'items' => query2array($query,null, 'id'),
)
);
}
// +-----------------------------------------------------------------------+
// | recently updated categories section |
// +-----------------------------------------------------------------------+
else if ($page['section'] == 'recent_cats')
{
$page = array_merge(
$page,
array(
'title' => l10n('Recent albums'),
)
);
}
// +-----------------------------------------------------------------------+
// | most visited section |
// +-----------------------------------------------------------------------+
else if ($page['section'] == 'most_visited')
{
$page['super_order_by'] = true;
$conf['order_by'] = ' ORDER BY hit DESC, id DESC';
$query = '
SELECT DISTINCT(id)
FROM '.IMAGES_TABLE.'
INNER JOIN '.IMAGE_CATEGORY_TABLE.' AS ic ON id = ic.image_id
WHERE hit > 0
'.$forbidden.'
'.$conf['order_by'].'
LIMIT '.$conf['top_number'].'
;';
$page = array_merge(
$page,
array(
'title' => '<a href="'.duplicate_index_url(array('start'=>0)).'">'
.$conf['top_number'].' '.l10n('Most visited').'</a>',
'items' => query2array($query,null, 'id'),
)
);
}
// +-----------------------------------------------------------------------+
// | best rated section |
// +-----------------------------------------------------------------------+
else if ($page['section'] == 'best_rated')
{
$page['super_order_by'] = true;
$conf['order_by'] = ' ORDER BY rating_score DESC, id DESC';
$query ='
SELECT DISTINCT(id)
FROM '.IMAGES_TABLE.'
INNER JOIN '.IMAGE_CATEGORY_TABLE.' AS ic ON id = ic.image_id
WHERE rating_score IS NOT NULL
'.$forbidden.'
'.$conf['order_by'].'
LIMIT '.$conf['top_number'].'
;';
$page = array_merge(
$page,
array(
'title' => '<a href="'.duplicate_index_url(array('start'=>0)).'">'
.$conf['top_number'].' '.l10n('Best rated').'</a>',
'items' => query2array($query,null, 'id'),
)
);
}
// +-----------------------------------------------------------------------+
// | list section |
// +-----------------------------------------------------------------------+
else if ($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(
$page,
array(
'title' => '<a href="'.duplicate_index_url(array('start'=>0)).'">'
.l10n('Random photos').'</a>',
'items' => query2array($query,null, 'id'),
)
);
}
}
// +-----------------------------------------------------------------------+
// | chronology |
// +-----------------------------------------------------------------------+
if (isset($page['chronology_field']))
{
unset($page['is_homepage']);
include_once( PHPWG_ROOT_PATH.'include/functions_calendar.inc.php' );
initialize_calendar();
}
// title update
if (isset($page['title']))
{
$page['section_title'] = '<a href="'.get_gallery_home_url().'">'.l10n('Home').'</a>';
if (!empty($page['title']))
{
$page['section_title'] .= $conf['level_separator'].$page['title'];
}
else
{
$page['title'] = $page['section_title'];
}
}
// 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_notify('loc_end_section_init');
?>
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