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piwigo/include/ws_functions.inc.php
plegall 933b820e07 feature 892 added: pwg.images.setInfo added so that once we have discovered 
the photo was already in the database (thanks to pwg.images.exist), we can
only set the photo metadata.


git-svn-id: http://piwigo.org/svn/branches/2.0@2722 68402e56-0260-453c-a942-63ccdbb3a9ee
2008-10-11 20:37:54 +00:00

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<?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. |
// +-----------------------------------------------------------------------+
/**** IMPLEMENTATION OF WEB SERVICE METHODS ***********************************/
/**
* 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[] = $tbl_name.'average_rate>'.$params['f_min_rate'];
}
if ( is_numeric($params['f_max_rate']) )
{
$clauses[] = $tbl_name.'average_rate<='.$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_posted']) )
{
$clauses[] = $tbl_name."date_available>='".$params['f_min_date_posted']."'";
}
if ( isset($params['f_max_date_posted']) )
{
$clauses[] = $tbl_name."date_available<'".$params['f_max_date_posted']."'";
}
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 ( $params['f_with_thumbnail'] )
{
$clauses[] = $tbl_name.'tn_ext IS NOT NULL';
}
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] = 'RAND()'; break;
}
$sortable_fields = array('id', 'file', 'name', 'hit', 'average_rate',
'date_creation', 'date_available', 'RAND()' );
if ( in_array($matches[1][$i], $sortable_fields) )
{
if (!empty($ret))
$ret .= ', ';
if ($matches[1][$i] != 'RAND()' )
{
$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)
{
$ret = array(
'tn_url' => get_thumbnail_url($image_row),
'element_url' => get_element_url($image_row)
);
global $user;
if ($user['enabled_high'] and $image_row['has_high'] )
{
$ret['high_url'] = get_high_url($image_row);
}
return $ret;
}
/**
* returns an array of image attributes that are to be encoded as xml attributes
* instead of xml elements
*/
function ws_std_get_image_xml_attributes()
{
return array(
'id','tn_url','element_url','high_url', 'file','width','height','hit'
);
}
/**
* returns PWG version (web service method)
*/
function ws_getVersion($params, &$service)
{
global $conf;
if ($conf['show_version'])
return PHPWG_VERSION;
else
return new PwgError(403, 'Forbidden');
}
function ws_caddie_add($params, &$service)
{
if (!is_admin())
{
return new PwgError(401, 'Access denied');
}
if ( empty($params['image_id']) )
{
return new PwgError(WS_ERR_INVALID_PARAM, "Invalid image_id");
}
global $user;
$query = '
SELECT id
FROM '.IMAGES_TABLE.' LEFT JOIN '.CADDIE_TABLE.' ON id=element_id AND user_id='.$user['id'].'
WHERE id IN ('.implode(',',$params['image_id']).')
AND element_id IS NULL';
$datas = array();
foreach ( array_from_query($query, 'id') as $id )
{
array_push($datas, array('element_id'=>$id, 'user_id'=>$user['id']) );
}
if (count($datas))
{
include_once(PHPWG_ROOT_PATH.'admin/include/functions.php');
mass_inserts(CADDIE_TABLE, array('element_id','user_id'), $datas);
}
return count($datas);
}
/**
* returns images per category (web service method)
*/
function ws_categories_getImages($params, &$service)
{
@include_once(PHPWG_ROOT_PATH.'include/functions_picture.inc.php');
global $user, $conf;
$images = array();
//------------------------------------------------- get the related categories
$where_clauses = array();
foreach($params['cat_id'] as $cat_id)
{
$cat_id = (int)$cat_id;
if ($cat_id<=0)
continue;
if ($params['recursive'])
{
$where_clauses[] = 'uppercats REGEXP \'(^|,)'.$cat_id.'(,|$)\'';
}
else
{
$where_clauses[] = 'id='.$cat_id;
}
}
if (!empty($where_clauses))
{
$where_clauses = array( '('.
implode('
OR ', $where_clauses) . ')'
);
}
$where_clauses[] = get_sql_condition_FandF(
array('forbidden_categories' => 'id'),
NULL, true
);
$query = '
SELECT id, name, permalink, image_order
FROM '.CATEGORIES_TABLE.'
WHERE '. implode('
AND ', $where_clauses);
$result = pwg_query($query);
$cats = array();
while ($row = mysql_fetch_assoc($result))
{
$row['id'] = (int)$row['id'];
$cats[ $row['id'] ] = $row;
}
//-------------------------------------------------------- get the images
if ( !empty($cats) )
{
$where_clauses = ws_std_image_sql_filter( $params, 'i.' );
$where_clauses[] = 'category_id IN ('
.implode(',', array_keys($cats) )
.')';
$where_clauses[] = get_sql_condition_FandF( array(
'visible_images' => 'i.id'
), null, true
);
$order_by = ws_std_image_sql_order($params, 'i.');
if ( empty($order_by)
and count($params['cat_id'])==1
and isset($cats[ $params['cat_id'][0] ]['image_order'])
)
{
$order_by = $cats[ $params['cat_id'][0] ]['image_order'];
}
$order_by = empty($order_by) ? $conf['order_by'] : 'ORDER BY '.$order_by;
$query = '
SELECT i.*, GROUP_CONCAT(category_id) cat_ids
FROM '.IMAGES_TABLE.' i
INNER JOIN '.IMAGE_CATEGORY_TABLE.' ON i.id=image_id
WHERE '. implode('
AND ', $where_clauses).'
GROUP BY i.id
'.$order_by.'
LIMIT '.$params['per_page']*$params['page'].','.$params['per_page'];
$result = pwg_query($query);
while ($row = mysql_fetch_assoc($result))
{
$image = array();
foreach ( array('id', 'width', 'height', 'hit') as $k )
{
if (isset($row[$k]))
{
$image[$k] = (int)$row[$k];
}
}
foreach ( array('file', 'name', 'comment') as $k )
{
$image[$k] = $row[$k];
}
$image = array_merge( $image, ws_std_get_urls($row) );
$image_cats = array();
foreach ( explode(',', $row['cat_ids']) as $cat_id )
{
$url = make_index_url(
array(
'category' => $cats[$cat_id],
)
);
$page_url = make_picture_url(
array(
'category' => $cats[$cat_id],
'image_id' => $row['id'],
'image_file' => $row['file'],
)
);
array_push( $image_cats, array(
WS_XML_ATTRIBUTES => array (
'id' => (int)$cat_id,
'url' => $url,
'page_url' => $page_url,
)
)
);
}
$image['categories'] = new PwgNamedArray(
$image_cats,'category', array('id','url','page_url')
);
array_push($images, $image);
}
}
return array( 'images' =>
array (
WS_XML_ATTRIBUTES =>
array(
'page' => $params['page'],
'per_page' => $params['per_page'],
'count' => count($images)
),
WS_XML_CONTENT => new PwgNamedArray($images, 'image',
ws_std_get_image_xml_attributes() )
)
);
}
/**
* returns a list of categories (web service method)
*/
function ws_categories_getList($params, &$service)
{
global $user,$conf;
$where = array();
if (!$params['recursive'])
{
if ($params['cat_id']>0)
$where[] = '(id_uppercat='.(int)($params['cat_id']).'
OR id='.(int)($params['cat_id']).')';
else
$where[] = 'id_uppercat IS NULL';
}
else if ($params['cat_id']>0)
{
$where[] = 'uppercats REGEXP \'(^|,)'.
(int)($params['cat_id'])
.'(,|$)\'';
}
if ($params['public'])
{
$where[] = 'status = "public"';
$where[] = 'visible = "true"';
$where[]= 'user_id='.$conf['guest_id'];
}
else
{
$where[]= 'user_id='.$user['id'];
}
$query = '
SELECT id, name, permalink, uppercats, global_rank,
nb_images, count_images AS total_nb_images,
date_last, max_date_last, count_categories AS nb_categories
FROM '.CATEGORIES_TABLE.'
INNER JOIN '.USER_CACHE_CATEGORIES_TABLE.' ON id=cat_id
WHERE '. implode('
AND ', $where);
$result = pwg_query($query);
$cats = array();
while ($row = mysql_fetch_assoc($result))
{
$row['url'] = make_index_url(
array(
'category' => $row
)
);
foreach( array('id','nb_images','total_nb_images','nb_categories') as $key)
{
$row[$key] = (int)$row[$key];
}
array_push($cats, $row);
}
usort($cats, 'global_rank_compare');
return array(
'categories' => new PwgNamedArray(
$cats,
'category',
array(
'id',
'url',
'nb_images',
'total_nb_images',
'nb_categories',
'date_last',
'max_date_last',
)
)
);
}
/**
* returns the list of categories as you can see them in administration (web
* service method).
*
* Only admin can run this method and permissions are not taken into
* account.
*/
function ws_categories_getAdminList($params, &$service)
{
if (!is_admin())
{
return new PwgError(401, 'Access denied');
}
$query = '
SELECT
category_id,
COUNT(*) AS counter
FROM '.IMAGE_CATEGORY_TABLE.'
GROUP BY category_id
;';
$nb_images_of = simple_hash_from_query($query, 'category_id', 'counter');
$query = '
SELECT
id,
name,
uppercats,
global_rank
FROM '.CATEGORIES_TABLE.'
;';
$result = pwg_query($query);
$cats = array();
while ($row = mysql_fetch_assoc($result))
{
$id = $row['id'];
$row['nb_images'] = isset($nb_images_of[$id]) ? $nb_images_of[$id] : 0;
array_push($cats, $row);
}
usort($cats, 'global_rank_compare');
return array(
'categories' => new PwgNamedArray(
$cats,
'category',
array(
'id',
'nb_images',
'name',
'uppercats',
'global_rank',
)
)
);
}
/**
* returns detailed information for an element (web service method)
*/
function ws_images_addComment($params, &$service)
{
if (!$service->isPost())
{
return new PwgError(405, "This method requires HTTP POST");
}
$params['image_id'] = (int)$params['image_id'];
$query = '
SELECT DISTINCT image_id
FROM '.IMAGE_CATEGORY_TABLE.' INNER JOIN '.CATEGORIES_TABLE.' ON category_id=id
WHERE commentable="true"
AND image_id='.$params['image_id'].
get_sql_condition_FandF(
array(
'forbidden_categories' => 'id',
'visible_categories' => 'id',
'visible_images' => 'image_id'
),
' AND'
);
if ( !mysql_num_rows( pwg_query( $query ) ) )
{
return new PwgError(WS_ERR_INVALID_PARAM, "Invalid image_id");
}
include_once(PHPWG_ROOT_PATH.'include/functions_comment.inc.php');
$comm = array(
'author' => trim( stripslashes($params['author']) ),
'content' => trim( stripslashes($params['content']) ),
'image_id' => $params['image_id'],
);
include_once(PHPWG_ROOT_PATH.'include/functions_comment.inc.php');
$comment_action = insert_user_comment(
$comm, $params['key'], $infos
);
switch ($comment_action)
{
case 'reject':
array_push($infos, l10n('comment_not_added') );
return new PwgError(403, implode("\n", $infos) );
case 'validate':
case 'moderate':
$ret = array(
'id' => $comm['id'],
'validation' => $comment_action=='validate',
);
return new PwgNamedStruct(
'comment',
$ret,
null, array()
);
default:
return new PwgError(500, "Unknown comment action ".$comment_action );
}
}
/**
* returns detailed information for an element (web service method)
*/
function ws_images_getInfo($params, &$service)
{
@include_once(PHPWG_ROOT_PATH.'include/functions_picture.inc.php');
global $user, $conf;
$params['image_id'] = (int)$params['image_id'];
if ( $params['image_id']<=0 )
{
return new PwgError(WS_ERR_INVALID_PARAM, "Invalid image_id");
}
$query='
SELECT * FROM '.IMAGES_TABLE.'
WHERE id='.$params['image_id'].
get_sql_condition_FandF(
array('visible_images' => 'id'),
' AND'
).'
LIMIT 1';
$image_row = mysql_fetch_assoc(pwg_query($query));
if ($image_row==null)
{
return new PwgError(404, "image_id not found");
}
$image_row = array_merge( $image_row, ws_std_get_urls($image_row) );
//-------------------------------------------------------- related categories
$query = '
SELECT id, name, permalink, uppercats, global_rank, commentable
FROM '.IMAGE_CATEGORY_TABLE.'
INNER JOIN '.CATEGORIES_TABLE.' ON category_id = id
WHERE image_id = '.$image_row['id'].
get_sql_condition_FandF(
array( 'forbidden_categories' => 'category_id' ),
' AND'
).'
;';
$result = pwg_query($query);
$is_commentable = false;
$related_categories = array();
while ($row = mysql_fetch_assoc($result))
{
if ($row['commentable']=='true')
{
$is_commentable = true;
}
unset($row['commentable']);
$row['url'] = make_index_url(
array(
'category' => $row
)
);
$row['page_url'] = make_picture_url(
array(
'image_id' => $image_row['id'],
'image_file' => $image_row['file'],
'category' => $row
)
);
$row['id']=(int)$row['id'];
array_push($related_categories, $row);
}
usort($related_categories, 'global_rank_compare');
if ( empty($related_categories) )
{
return new PwgError(401, 'Access denied');
}
//-------------------------------------------------------------- related tags
$related_tags = get_common_tags( array($image_row['id']), -1 );
foreach( $related_tags as $i=>$tag)
{
$tag['url'] = make_index_url(
array(
'tags' => array($tag)
)
);
$tag['page_url'] = make_picture_url(
array(
'image_id' => $image_row['id'],
'image_file' => $image_row['file'],
'tags' => array($tag),
)
);
unset($tag['counter']);
$tag['id']=(int)$tag['id'];
$related_tags[$i]=$tag;
}
//------------------------------------------------------------- related rates
$query = '
SELECT COUNT(rate) AS count
, ROUND(AVG(rate),2) AS average
, ROUND(STD(rate),2) AS stdev
FROM '.RATE_TABLE.'
WHERE element_id = '.$image_row['id'].'
;';
$rating = mysql_fetch_assoc(pwg_query($query));
$rating['count'] = (int)$rating['count'];
//---------------------------------------------------------- related comments
$related_comments = array();
$where_comments = 'image_id = '.$image_row['id'];
if ( !is_admin() )
{
$where_comments .= '
AND validated="true"';
}
$query = '
SELECT COUNT(id) nb_comments
FROM '.COMMENTS_TABLE.'
WHERE '.$where_comments;
list($nb_comments) = array_from_query($query, 'nb_comments');
$nb_comments = (int)$nb_comments;
if ( $nb_comments>0 and $params['comments_per_page']>0 )
{
$query = '
SELECT id, date, author, content
FROM '.COMMENTS_TABLE.'
WHERE '.$where_comments.'
ORDER BY date
LIMIT '.$params['comments_per_page']*(int)$params['comments_page'].
','.$params['comments_per_page'];
$result = pwg_query($query);
while ($row = mysql_fetch_assoc($result))
{
$row['id']=(int)$row['id'];
array_push($related_comments, $row);
}
}
$comment_post_data = null;
if ($is_commentable and
(!is_a_guest()
or (is_a_guest() and $conf['comments_forall'] )
)
)
{
include_once(PHPWG_ROOT_PATH.'include/functions_comment.inc.php');
$comment_post_data['author'] = $user['username'];
$comment_post_data['key'] = get_comment_post_key($params['image_id']);
}
$ret = $image_row;
foreach ( array('id','width','height','hit','filesize') as $k )
{
if (isset($ret[$k]))
{
$ret[$k] = (int)$ret[$k];
}
}
foreach ( array('path', 'storage_category_id') as $k )
{
unset($ret[$k]);
}
$ret['rates'] = array( WS_XML_ATTRIBUTES => $rating );
$ret['categories'] = new PwgNamedArray($related_categories, 'category', array('id','url', 'page_url') );
$ret['tags'] = new PwgNamedArray($related_tags, 'tag', array('id','url_name','url','name','page_url') );
if ( isset($comment_post_data) )
{
$ret['comment_post'] = array( WS_XML_ATTRIBUTES => $comment_post_data );
}
$ret['comments'] = array(
WS_XML_ATTRIBUTES =>
array(
'page' => $params['comments_page'],
'per_page' => $params['comments_per_page'],
'count' => count($related_comments),
'nb_comments' => $nb_comments,
),
WS_XML_CONTENT => new PwgNamedArray($related_comments, 'comment', array('id','date') )
);
return new PwgNamedStruct('image',$ret, null, array('name','comment') );
}
/**
* rates the image_id in the parameter
*/
function ws_images_Rate($params, &$service)
{
$image_id = (int)$params['image_id'];
$query = '
SELECT DISTINCT id FROM '.IMAGES_TABLE.'
INNER JOIN '.IMAGE_CATEGORY_TABLE.' ON id=image_id
WHERE id='.$image_id
.get_sql_condition_FandF(
array(
'forbidden_categories' => 'category_id',
'forbidden_images' => 'id',
),
' AND'
).'
LIMIT 1';
if ( mysql_num_rows( pwg_query($query) )==0 )
{
return new PwgError(404, "Invalid image_id or access denied" );
}
$rate = (int)$params['rate'];
include_once(PHPWG_ROOT_PATH.'include/functions_rate.inc.php');
$res = rate_picture( $image_id, $rate );
if ($res==false)
{
global $conf;
return new PwgError( 403, "Forbidden or rate not in ". implode(',',$conf['rate_items']));
}
return $res;
}
/**
* returns a list of elements corresponding to a query search
*/
function ws_images_search($params, &$service)
{
global $page;
$images = array();
include_once( PHPWG_ROOT_PATH .'include/functions_search.inc.php' );
include_once(PHPWG_ROOT_PATH.'include/functions_picture.inc.php');
$where_clauses = ws_std_image_sql_filter( $params, 'i.' );
$order_by = ws_std_image_sql_order($params, 'i.');
$super_order_by = false;
if ( !empty($order_by) )
{
global $conf;
$conf['order_by'] = 'ORDER BY '.$order_by;
$super_order_by=true; // quick_search_result might be faster
}
$search_result = get_quick_search_results($params['query'],
$super_order_by,
implode(',', $where_clauses)
);
$image_ids = array_slice(
$search_result['items'],
$params['page']*$params['per_page'],
$params['per_page']
);
if ( count($image_ids) )
{
$query = '
SELECT * FROM '.IMAGES_TABLE.'
WHERE id IN ('.implode(',', $image_ids).')';
$image_ids = array_flip($image_ids);
$result = pwg_query($query);
while ($row = mysql_fetch_assoc($result))
{
$image = array();
foreach ( array('id', 'width', 'height', 'hit') as $k )
{
if (isset($row[$k]))
{
$image[$k] = (int)$row[$k];
}
}
foreach ( array('file', 'name', 'comment') as $k )
{
$image[$k] = $row[$k];
}
$image = array_merge( $image, ws_std_get_urls($row) );
$images[$image_ids[$image['id']]] = $image;
}
ksort($images, SORT_NUMERIC);
$images = array_values($images);
}
return array( 'images' =>
array (
WS_XML_ATTRIBUTES =>
array(
'page' => $params['page'],
'per_page' => $params['per_page'],
'count' => count($images)
),
WS_XML_CONTENT => new PwgNamedArray($images, 'image',
ws_std_get_image_xml_attributes() )
)
);
}
function ws_images_setPrivacyLevel($params, &$service)
{
if (!is_admin() || is_adviser() )
{
return new PwgError(401, 'Access denied');
}
if ( empty($params['image_id']) )
{
return new PwgError(WS_ERR_INVALID_PARAM, "Invalid image_id");
}
global $conf;
if ( !in_array( (int)$params['level'], $conf['available_permission_levels']) )
{
return new PwgError(WS_ERR_INVALID_PARAM, "Invalid level");
}
$query = '
UPDATE '.IMAGES_TABLE.'
SET level='.(int)$params['level'].'
WHERE id IN ('.implode(',',$params['image_id']).')';
$result = pwg_query($query);
$affected_rows = mysql_affected_rows();
if ($affected_rows)
{
include_once(PHPWG_ROOT_PATH.'admin/include/functions.php');
invalidate_user_cache();
}
return $affected_rows;
}
function ws_images_add($params, &$service)
{
global $conf;
if (!is_admin() || is_adviser() )
{
return new PwgError(401, 'Access denied');
}
// name
// category_id
// file_content
// file_sum
// thumbnail_content
// thumbnail_sum
// rank
// $fh_log = fopen('/tmp/php.log', 'w');
// fwrite($fh_log, time()."\n");
// fwrite($fh_log, 'input rank :'.$params['rank']."\n");
// fwrite($fh_log, 'input: '.$params['file_sum']."\n");
// fwrite($fh_log, 'input: '.$params['thumbnail_sum']."\n");
// does the image already exists ?
$query = '
SELECT
COUNT(*) AS counter
FROM '.IMAGES_TABLE.'
WHERE md5sum = \''.$params['file_sum'].'\'
;';
list($counter) = mysql_fetch_row(pwg_query($query));
if ($counter != 0) {
return new PwgError(500, 'file already exists');
}
// current date
list($dbnow) = mysql_fetch_row(pwg_query('SELECT NOW();'));
list($year, $month, $day) = preg_split('/[^\d]/', $dbnow, 4);
// upload directory hierarchy
$upload_dir = sprintf(
PHPWG_ROOT_PATH.'upload/%s/%s/%s',
$year,
$month,
$day
);
//fwrite($fh_log, $upload_dir."\n");
// create the upload directory tree if not exists
if (!is_dir($upload_dir)) {
umask(0000);
$recursive = true;
mkdir($upload_dir, 0777, $recursive);
}
// compute file path
$date_string = preg_replace('/[^\d]/', '', $dbnow);
$random_string = substr($params['file_sum'], 0, 8);
$filename_wo_ext = $date_string.'-'.$random_string;
$file_path = $upload_dir.'/'.$filename_wo_ext.'.jpg';
// dump the photo file
$fh_file = fopen($file_path, 'w');
fwrite($fh_file, base64_decode($params['file_content']));
fclose($fh_file);
chmod($file_path, 0644);
// check dumped file md5sum against expected md5sum
$dumped_md5 = md5_file($file_path);
if ($dumped_md5 != $params['file_sum']) {
return new PwgError(500, 'file transfer failed');
}
// thumbnail directory is a subdirectory of the photo file, hard coded
// "thumbnail"
$thumbnail_dir = $upload_dir.'/thumbnail';
if (!is_dir($thumbnail_dir)) {
umask(0000);
mkdir($thumbnail_dir, 0777);
}
// thumbnail path, the filename may use a prefix and the extension is
// always "jpg" (no matter what the real file format is)
$thumbnail_path = sprintf(
'%s/%s%s.%s',
$thumbnail_dir,
$conf['prefix_thumbnail'],
$filename_wo_ext,
'jpg'
);
// dump the thumbnail
$fh_thumbnail = fopen($thumbnail_path, 'w');
fwrite($fh_thumbnail, base64_decode($params['thumbnail_content']));
fclose($fh_thumbnail);
chmod($thumbnail_path, 0644);
// check dumped thumbnail md5
$dumped_md5 = md5_file($thumbnail_path);
if ($dumped_md5 != $params['thumbnail_sum']) {
return new PwgError(500, 'thumbnail transfer failed');
}
// high resolution
if (isset($params['high_content']))
{
// high resolution directory is a subdirectory of the photo file, hard
// coded "pwg_high"
$high_dir = $upload_dir.'/pwg_high';
if (!is_dir($high_dir)) {
umask(0000);
mkdir($high_dir, 0777);
}
// high resolution path, same name as web size file
$high_path = sprintf(
'%s/%s.%s',
$high_dir,
$filename_wo_ext,
'jpg'
);
// dump the high resolution file
$fh_high = fopen($high_path, 'w');
fwrite($fh_high, base64_decode($params['high_content']));
fclose($fh_high);
chmod($high_path, 0644);
// check dumped thumbnail md5
$dumped_md5 = md5_file($high_path);
if ($dumped_md5 != $params['high_sum']) {
return new PwgError(500, 'high resolution transfer failed');
}
$high_filesize = floor(filesize($high_path)/1024);
}
list($width, $height) = getimagesize($file_path);
// database registration
$insert = array(
'file' => $filename_wo_ext.'.jpg',
'date_available' => $dbnow,
'tn_ext' => 'jpg',
'name' => $params['name'],
'path' => $file_path,
'filesize' => floor(filesize($file_path)/1024),
'width' => $width,
'height' => $height,
'md5sum' => $params['file_sum'],
);
$info_columns = array(
'name',
'author',
'comment',
'level',
'date_creation',
);
foreach ($info_columns as $key)
{
if (isset($params[$key]))
{
$insert[$key] = $params[$key];
}
}
if (isset($params['high_content']))
{
$insert['has_high'] = 'true';
$insert['high_filesize'] = $high_filesize;
}
include_once(PHPWG_ROOT_PATH.'admin/include/functions.php');
mass_inserts(
IMAGES_TABLE,
array_keys($insert),
array($insert)
);
$image_id = mysql_insert_id();
// let's add links between the image and the categories
if (isset($params['categories']))
{
ws_add_image_category_relations($image_id, $params['categories']);
}
// and now, let's create tag associations
if (isset($params['tag_ids']))
{
set_tags(
explode(',', $params['tag_ids']),
$image_id
);
}
invalidate_user_cache();
// fclose($fh_log);
}
/**
* perform a login (web service method)
*/
function ws_session_login($params, &$service)
{
global $conf;
if (!$service->isPost())
{
return new PwgError(405, "This method requires HTTP POST");
}
if (try_log_user($params['username'], $params['password'],false))
{
return true;
}
return new PwgError(999, 'Invalid username/password');
}
/**
* performs a logout (web service method)
*/
function ws_session_logout($params, &$service)
{
global $user, $conf;
if (!is_a_guest())
{
$_SESSION = array();
session_unset();
session_destroy();
setcookie(session_name(),'',0,
ini_get('session.cookie_path'),
ini_get('session.cookie_domain')
);
setcookie($conf['remember_me_name'], '', 0, cookie_path());
}
return true;
}
function ws_session_getStatus($params, &$service)
{
global $user;
$res = array();
$res['username'] = is_a_guest() ? 'guest' : $user['username'];
foreach ( array('status', 'template', 'theme', 'language') as $k )
{
$res[$k] = $user[$k];
}
$res['charset'] = get_pwg_charset();
return $res;
}
/**
* returns a list of tags (web service method)
*/
function ws_tags_getList($params, &$service)
{
$tags = get_available_tags();
if ($params['sort_by_counter'])
{
usort($tags, create_function('$a,$b', 'return -$a["counter"]+$b["counter"];') );
}
else
{
usort($tags, 'tag_alpha_compare');
}
for ($i=0; $i<count($tags); $i++)
{
$tags[$i]['id'] = (int)$tags[$i]['id'];
$tags[$i]['counter'] = (int)$tags[$i]['counter'];
$tags[$i]['url'] = make_index_url(
array(
'section'=>'tags',
'tags'=>array($tags[$i])
)
);
}
return array('tags' => new PwgNamedArray($tags, 'tag', array('id','url_name','url', 'name', 'counter' )) );
}
/**
* returns the list of tags as you can see them in administration (web
* service method).
*
* Only admin can run this method and permissions are not taken into
* account.
*/
function ws_tags_getAdminList($params, &$service)
{
if (!is_admin())
{
return new PwgError(401, 'Access denied');
}
$tags = get_all_tags();
return array(
'tags' => new PwgNamedArray(
$tags,
'tag',
array(
'name',
'id',
'url_name',
)
)
);
}
/**
* returns a list of images for tags (web service method)
*/
function ws_tags_getImages($params, &$service)
{
@include_once(PHPWG_ROOT_PATH.'include/functions_picture.inc.php');
global $conf;
// first build all the tag_ids we are interested in
$params['tag_id'] = array_map( 'intval',$params['tag_id'] );
$tags = find_tags($params['tag_id'], $params['tag_url_name'], $params['tag_name']);
$tags_by_id = array();
foreach( $tags as $tag )
{
$tags['id'] = (int)$tag['id'];
$tags_by_id[ $tag['id'] ] = $tag;
}
unset($tags);
$tag_ids = array_keys($tags_by_id);
$image_ids = array();
$image_tag_map = array();
if ( !empty($tag_ids) )
{ // build list of image ids with associated tags per image
if ($params['tag_mode_and'])
{
$image_ids = get_image_ids_for_tags( $tag_ids );
}
else
{
$query = '
SELECT image_id, GROUP_CONCAT(tag_id) tag_ids
FROM '.IMAGE_TAG_TABLE.'
WHERE tag_id IN ('.implode(',',$tag_ids).')
GROUP BY image_id';
$result = pwg_query($query);
while ( $row=mysql_fetch_assoc($result) )
{
$row['image_id'] = (int)$row['image_id'];
array_push( $image_ids, $row['image_id'] );
$image_tag_map[ $row['image_id'] ] = explode(',', $row['tag_ids']);
}
}
}
$images = array();
if ( !empty($image_ids))
{
$where_clauses = ws_std_image_sql_filter($params);
$where_clauses[] = get_sql_condition_FandF(
array
(
'forbidden_categories' => 'category_id',
'visible_categories' => 'category_id',
'visible_images' => 'i.id'
),
'', true
);
$where_clauses[] = 'id IN ('.implode(',',$image_ids).')';
$order_by = ws_std_image_sql_order($params);
if (empty($order_by))
{
$order_by = $conf['order_by'];
}
else
{
$order_by = 'ORDER BY '.$order_by;
}
$query = '
SELECT DISTINCT i.* FROM '.IMAGES_TABLE.' i
INNER JOIN '.IMAGE_CATEGORY_TABLE.' ON i.id=image_id
WHERE '. implode('
AND ', $where_clauses).'
'.$order_by.'
LIMIT '.$params['per_page']*$params['page'].','.$params['per_page'];
$result = pwg_query($query);
while ($row = mysql_fetch_assoc($result))
{
$image = array();
foreach ( array('id', 'width', 'height', 'hit') as $k )
{
if (isset($row[$k]))
{
$image[$k] = (int)$row[$k];
}
}
foreach ( array('file', 'name', 'comment') as $k )
{
$image[$k] = $row[$k];
}
$image = array_merge( $image, ws_std_get_urls($row) );
$image_tag_ids = ($params['tag_mode_and']) ? $tag_ids : $image_tag_map[$image['id']];
$image_tags = array();
foreach ($image_tag_ids as $tag_id)
{
$url = make_index_url(
array(
'section'=>'tags',
'tags'=> array($tags_by_id[$tag_id])
)
);
$page_url = make_picture_url(
array(
'section'=>'tags',
'tags'=> array($tags_by_id[$tag_id]),
'image_id' => $row['id'],
'image_file' => $row['file'],
)
);
array_push($image_tags, array(
'id' => (int)$tag_id,
'url' => $url,
'page_url' => $page_url,
)
);
}
$image['tags'] = new PwgNamedArray($image_tags, 'tag',
array('id','url_name','url','page_url')
);
array_push($images, $image);
}
}
return array( 'images' =>
array (
WS_XML_ATTRIBUTES =>
array(
'page' => $params['page'],
'per_page' => $params['per_page'],
'count' => count($images)
),
WS_XML_CONTENT => new PwgNamedArray($images, 'image',
ws_std_get_image_xml_attributes() )
)
);
}
function ws_categories_add($params, &$service)
{
if (!is_admin() or is_adviser())
{
return new PwgError(401, 'Access denied');
}
include_once(PHPWG_ROOT_PATH.'admin/include/functions.php');
$creation_output = create_virtual_category(
$params['name'],
$params['parent']
);
if (isset($creation_output['error']))
{
return new PwgError(500, $creation_output['error']);
}
invalidate_user_cache();
return $creation_output;
}
function ws_tags_add($params, &$service)
{
if (!is_admin() or is_adviser())
{
return new PwgError(401, 'Access denied');
}
include_once(PHPWG_ROOT_PATH.'admin/include/functions.php');
$creation_output = create_tag($params['name']);
if (isset($creation_output['error']))
{
return new PwgError(500, $creation_output['error']);
}
return $creation_output;
}
function ws_images_exist($params, &$service)
{
if (!is_admin() or is_adviser())
{
return new PwgError(401, 'Access denied');
}
// search among photos the list of photos already added, based on md5sum
// list
$md5sums = preg_split(
'/[\s,;\|]/',
$params['md5sum_list'],
-1,
PREG_SPLIT_NO_EMPTY
);
$query = '
SELECT
id,
md5sum
FROM '.IMAGES_TABLE.'
WHERE md5sum IN (\''.implode("','", $md5sums).'\')
;';
$id_of_md5 = simple_hash_from_query($query, 'md5sum', 'id');
$result = array();
foreach ($md5sums as $md5sum)
{
$result[$md5sum] = null;
if (isset($id_of_md5[$md5sum]))
{
$result[$md5sum] = $id_of_md5[$md5sum];
}
}
return $result;
}
function ws_images_setInfo($params, &$service)
{
global $conf;
if (!is_admin() || is_adviser() )
{
return new PwgError(401, 'Access denied');
}
// name
// category_id
// file_content
// file_sum
// thumbnail_content
// thumbnail_sum
$params['image_id'] = (int)$params['image_id'];
if ($params['image_id'] <= 0)
{
return new PwgError(WS_ERR_INVALID_PARAM, "Invalid image_id");
}
$query='
SELECT *
FROM '.IMAGES_TABLE.'
WHERE id = '.$params['image_id'].'
;';
$image_row = mysql_fetch_assoc(pwg_query($query));
if ($image_row == null)
{
return new PwgError(404, "image_id not found");
}
// database registration
$update = array(
'id' => $params['image_id'],
);
$info_columns = array(
'name',
'author',
'comment',
'level',
'date_creation',
);
$perform_update = false;
foreach ($info_columns as $key)
{
if (isset($params[$key]))
{
$perform_update = true;
$update[$key] = $params[$key];
}
}
if ($perform_update)
{
include_once(PHPWG_ROOT_PATH.'admin/include/functions.php');
mass_updates(
IMAGES_TABLE,
array(
'primary' => array('id'),
'update' => array_diff(array_keys($update), array('id'))
),
array($update)
);
}
if (isset($params['categories']))
{
ws_add_image_category_relations(
$params['image_id'],
$params['categories']
);
}
// and now, let's create tag associations
if (isset($params['tag_ids']))
{
include_once(PHPWG_ROOT_PATH.'admin/include/functions.php');
add_tags(
explode(',', $params['tag_ids']),
array($params['image_id'])
);
}
invalidate_user_cache();
}
function ws_add_image_category_relations($image_id, $categories_string)
{
// let's add links between the image and the categories
//
// $params['categories'] should look like 123,12;456,auto;789 which means:
//
// 1. associate with category 123 on rank 12
// 2. associate with category 456 on automatic rank
// 3. associate with category 789 on automatic rank
$cat_ids = array();
$rank_on_category = array();
$search_current_ranks = false;
$tokens = explode(';', $categories_string);
foreach ($tokens as $token)
{
list($cat_id, $rank) = explode(',', $token);
array_push($cat_ids, $cat_id);
if (!isset($rank))
{
$rank = 'auto';
}
$rank_on_category[$cat_id] = $rank;
if ($rank == 'auto')
{
$search_current_ranks = true;
}
}
$cat_ids = array_unique($cat_ids);
if (count($cat_ids) > 0)
{
if ($search_current_ranks)
{
$query = '
SELECT
category_id,
MAX(rank) AS max_rank
FROM '.IMAGE_CATEGORY_TABLE.'
WHERE rank IS NOT NULL
AND category_id IN ('.implode(',', $cat_ids).')
GROUP BY category_id
;';
$current_rank_of = simple_hash_from_query(
$query,
'category_id',
'max_rank'
);
foreach ($cat_ids as $cat_id)
{
if ('auto' == $rank_on_category[$cat_id])
{
$rank_on_category[$cat_id] = $current_rank_of[$cat_id] + 1;
}
}
}
$inserts = array();
foreach ($cat_ids as $cat_id)
{
array_push(
$inserts,
array(
'image_id' => $image_id,
'category_id' => $cat_id,
'rank' => $rank_on_category[$cat_id],
)
);
}
include_once(PHPWG_ROOT_PATH.'admin/include/functions.php');
mass_inserts(
IMAGE_CATEGORY_TABLE,
array_keys($inserts[0]),
$inserts
);
update_category($cat_ids);
}
}
?>
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