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<?php
// +-----------------------------------------------------------------------+
// | Piwigo - a PHP based photo gallery |
// +-----------------------------------------------------------------------+
// | Copyright(C) 2008-2014 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. |
// +-----------------------------------------------------------------------+
/**
* Event handler for method invocation security check. Should return a PwgError
* if the preconditions are not satifsied for method invocation.
*/
function ws_isInvokeAllowed($res, $methodName, $params)
{
global $conf;
if ( strpos($methodName,'reflection.')===0 )
{ // OK for reflection
return $res;
}
if ( !is_autorize_status(ACCESS_GUEST) and
strpos($methodName,'pwg.session.')!==0 )
{
return new PwgError(401, 'Access denied');
}
return $res;
}
/**
* returns a "standard" (for our web service) array of sql where clauses that
* filters the images (images table only)
*/
function ws_std_image_sql_filter( $params, $tbl_name='' )
{
$clauses = array();
if ( is_numeric($params['f_min_rate']) )
{
$clauses[] = $tbl_name.'rating_score>='.$params['f_min_rate'];
}
if ( is_numeric($params['f_max_rate']) )
{
$clauses[] = $tbl_name.'rating_score<='.$params['f_max_rate'];
}
if ( is_numeric($params['f_min_hit']) )
{
$clauses[] = $tbl_name.'hit>='.$params['f_min_hit'];
}
if ( is_numeric($params['f_max_hit']) )
{
$clauses[] = $tbl_name.'hit<='.$params['f_max_hit'];
}
if ( isset($params['f_min_date_available']) )
{
$clauses[] = $tbl_name."date_available>='".$params['f_min_date_available']."'";
}
if ( isset($params['f_max_date_available']) )
{
$clauses[] = $tbl_name."date_available<'".$params['f_max_date_available']."'";
}
if ( isset($params['f_min_date_created']) )
{
$clauses[] = $tbl_name."date_creation>='".$params['f_min_date_created']."'";
}
if ( isset($params['f_max_date_created']) )
{
$clauses[] = $tbl_name."date_creation<'".$params['f_max_date_created']."'";
}
if ( is_numeric($params['f_min_ratio']) )
{
$clauses[] = $tbl_name.'width/'.$tbl_name.'height>='.$params['f_min_ratio'];
}
if ( is_numeric($params['f_max_ratio']) )
{
$clauses[] = $tbl_name.'width/'.$tbl_name.'height<='.$params['f_max_ratio'];
}
if (is_numeric($params['f_max_level']) )
{
$clauses[] = $tbl_name.'level <= '.$params['f_max_level'];
}
return $clauses;
}
/**
* returns a "standard" (for our web service) ORDER BY sql clause for images
*/
function ws_std_image_sql_order( $params, $tbl_name='' )
{
$ret = '';
if ( empty($params['order']) )
{
return $ret;
}
$matches = array();
preg_match_all('/([a-z_]+) *(?:(asc|desc)(?:ending)?)? *(?:, *|$)/i',
$params['order'], $matches);
for ($i=0; $i<count($matches[1]); $i++)
{
switch ($matches[1][$i])
{
case 'date_created':
$matches[1][$i] = 'date_creation'; break;
case 'date_posted':
$matches[1][$i] = 'date_available'; break;
case 'rand': case 'random':
$matches[1][$i] = DB_RANDOM_FUNCTION.'()'; break;
}
$sortable_fields = array('id', 'file', 'name', 'hit', 'rating_score',
'date_creation', 'date_available', DB_RANDOM_FUNCTION.'()' );
if ( in_array($matches[1][$i], $sortable_fields) )
{
if (!empty($ret))
$ret .= ', ';
if ($matches[1][$i] != DB_RANDOM_FUNCTION.'()' )
{
$ret .= $tbl_name;
}
$ret .= $matches[1][$i];
$ret .= ' '.$matches[2][$i];
}
}
return $ret;
}
/**
* returns an array map of urls (thumb/element) for image_row - to be returned
* in a standard way by different web service methods
*/
function ws_std_get_urls($image_row)
{
$ret = array();
$ret['page_url'] = make_picture_url( array(
'image_id' => $image_row['id'],
'image_file' => $image_row['file'],
)
);
$src_image = new SrcImage($image_row);
if ( $src_image->is_original() )
{// we have a photo
global $user;
if ($user['enabled_high'])
{
$ret['element_url'] = $src_image->get_url();
}
}
else
{
$ret['element_url'] = get_element_url($image_row);
}
$derivatives = DerivativeImage::get_all($src_image);
$derivatives_arr = array();
foreach($derivatives as $type=>$derivative)
{
$size = $derivative->get_size();
$size != null or $size=array(null,null);
$derivatives_arr[$type] = array('url' => $derivative->get_url(), 'width'=>$size[0], 'height'=>$size[1] );
}
$ret['derivatives'] = $derivatives_arr;;
return $ret;
}
/**
* returns an array of image attributes that are to be encoded as xml attributes
* instead of xml elements
*/
function ws_std_get_image_xml_attributes()
{
return array(
'id','element_url', 'page_url', 'file','width','height','hit','date_available','date_creation'
);
}
function ws_std_get_category_xml_attributes()
{
return array(
'id', 'url', 'nb_images', 'total_nb_images', 'nb_categories', 'date_last', 'max_date_last',
);
}
function ws_std_get_tag_xml_attributes()
{
return array(
'id', 'name', 'url_name', 'counter', 'url', 'page_url',
);
}
/**
* create a tree from a flat list of categories, no recursivity for high speed
*/
function categories_flatlist_to_tree($categories)
{
$tree = array();
$key_of_cat = array();
foreach ($categories as $key => &$node)
{
$key_of_cat[$node['id']] = $key;
if (!isset($node['id_uppercat']))
{
$tree[] = &$node;
}
else
{
if (!isset($categories[ $key_of_cat[ $node['id_uppercat'] ] ]['sub_categories']))
{
$categories[ $key_of_cat[ $node['id_uppercat'] ] ]['sub_categories'] =
new PwgNamedArray(array(), 'category', ws_std_get_category_xml_attributes());
}
$categories[ $key_of_cat[ $node['id_uppercat'] ] ]['sub_categories']->_content[] = &$node;
}
}
return $tree;
}
?>
|
