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| -rw-r--r-- | include/ws_functions.inc.php | 716 |
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diff --git a/include/ws_functions.inc.php b/include/ws_functions.inc.php new file mode 100644 index 000000000..7e1f1a1ba --- /dev/null +++ b/include/ws_functions.inc.php @@ -0,0 +1,716 @@ +<?php +// +-----------------------------------------------------------------------+ +// | PhpWebGallery - a PHP based picture gallery | +// | Copyright (C) 2003-2007 PhpWebGallery Team - http://phpwebgallery.net | +// +-----------------------------------------------------------------------+ +// | branch : BSF (Best So Far) +// | file : $URL: svn+ssh://rvelices@svn.gna.org/svn/phpwebgallery/trunk/action.php $ +// | last update : $Date: 2006-12-21 18:49:12 -0500 (Thu, 21 Dec 2006) $ +// | last modifier : $Author: rvelices $ +// | revision : $Rev: 1678 $ +// +-----------------------------------------------------------------------+ +// | 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 ***********************************/ + +/** + * 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 $ret; +} + + +function ws_getVersion($params, &$service) +{ + return PHPWG_VERSION; +} + +/** + * returns images per category (wb service method) + */ +function ws_categories_getImages($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) . ')' + ); + } + $where_clauses[] = 'id NOT IN ('.$user['forbidden_categories'].')'; + + $query = ' +SELECT id, name, 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) ) + .')'; + $order_by = ws_std_image_sql_order($params, 'i.'); + if (empty($order_by)) + {// TODO check for category order by (image_order) + $order_by = $conf['order_by']; + } + else + { + $order_by = 'ORDER BY '.$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('name', 'file') 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' => $cat_id, + 'cat_name' => $cats[$cat_id]['name'], + ) + ); + $page_url = make_picture_url( + array( + 'category' => $cat_id, + 'cat_name' => $cats[$cat_id]['name'], + '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($images, 'image', + array('id', 'tn_url', 'element_url', 'file','width','height','hit') ) + ) + ); +} + +/** + * returns a list of categories + */ +function ws_categories_getList($params, &$service) +{ + global $user; + + $query = ' +SELECT id, name, uppercats, global_rank, + max_date_last, count_images AS nb_images, count_categories AS nb_categories + FROM '.CATEGORIES_TABLE.' + INNER JOIN '.USER_CACHE_CATEGORIES_TABLE.' ON id=cat_id'; + + $where = array(); + $where[]= 'user_id='.$user['id']; + if ($params['cat_id']>0) + { + $where[] = 'uppercats REGEXP \'(^|,)'. + (int)($params['cat_id']) + .'(,|$)\''; + } + + if (!$params['recursive']) + { + if ($params['cat_id']>0) + $where[] = 'id_uppercat='.(int)($params['cat_id']); + else + $where[] = 'id_uppercat IS NULL'; + } + + if ($params['public']) + { + $where[] = 'status = "public"'; + } + else + { + $where[] = 'id NOT IN ('.$user['forbidden_categories'].')'; + } + + $query .= ' + WHERE '. implode(' + AND ', $where); + $query .= ' +ORDER BY global_rank'; + + $result = pwg_query($query); + + $cats = array(); + while ($row = mysql_fetch_assoc($result)) + { + $row['url'] = make_index_url( + array( + 'category' => $row['id'], + 'cat_name' => $row['name'], + ) + ); + foreach( array('id','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($cats,'category', + array('id','url','nb_images','nb_categories','max_date_last') + ) + ); +} + +function ws_images_getInfo($params, &$service) +{ + @include_once(PHPWG_ROOT_PATH.'include/functions_picture.inc.php'); + global $user; + $params['image_id'] = (int)$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'].' +LIMIT 1'; + $image_row = mysql_fetch_assoc(pwg_query($query)); + if ($image_row==null) + { + return new PwgError(999, "image_id not found"); + } + array_merge( $image_row, ws_std_get_urls($image_row) ); + + //-------------------------------------------------------- related categories + $query = ' +SELECT c.id,c.name,c.uppercats,c.global_rank + FROM '.IMAGE_CATEGORY_TABLE.' + INNER JOIN '.CATEGORIES_TABLE.' c ON category_id = id + WHERE image_id = '.$image_row['id'].' + AND category_id NOT IN ('.$user['forbidden_categories'].') +;'; + $result = pwg_query($query); + $related_categories = array(); + while ($row = mysql_fetch_assoc($result)) + { + $row['url'] = make_index_url( + array( + 'category' => $row['id'], + 'cat_name' => $row['name'], + ) + ); + + $row['page_url'] = make_picture_url( + array( + 'image_id' => $image_row['id'], + 'image_file' => $image_row['file'], + 'category' => $row['id'], + 'cat_name' => $row['name'], + ) + ); + array_push($related_categories, $row); + } + usort($related_categories, 'global_rank_compare'); + if ( empty($related_categories) ) + { + return new PwgError(401, 'Access denied'); + } + + //-------------------------------------------------------------- related tags + $query = ' +SELECT id, name, url_name + FROM '.IMAGE_TAG_TABLE.' + INNER JOIN '.TAGS_TABLE.' ON tag_id = id + WHERE image_id = '.$image_row['id'].' +;'; + $result = pwg_query($query); + $related_tags = array(); + while ($row = mysql_fetch_assoc($result)) + { + $row['url'] = make_index_url( + array( + 'tags' => array($row) + ) + ); + $row['page_url'] = make_picture_url( + array( + 'image_id' => $image_row['id'], + 'image_file' => $image_row['file'], + 'tags' => array($row), + ) + ); + array_push($related_tags, $row); + } + //---------------------------------------------------------- related comments + $query = ' +SELECT COUNT(id) nb_comments + FROM '.COMMENTS_TABLE.' + WHERE image_id = '.$image_row['id']; + list($nb_comments) = array_from_query($query, 'nb_comments'); + + $query = ' +SELECT id, date, author, content + FROM '.COMMENTS_TABLE.' + WHERE image_id = '.$image_row['id'].' + AND validated="true"'; + $query .= ' + ORDER BY date DESC + LIMIT 0, 5'; + + $result = pwg_query($query); + $related_comments = array(); + while ($row = mysql_fetch_assoc($result)) + { + array_push($related_comments, $row); + } + + //------------------------------------------------------------- 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'].' +;'; + $row = mysql_fetch_assoc(pwg_query($query)); + + $ret = $image_row; + $ret['rates'] = array( WS_XML_ATTRIBUTES => $row ); + $ret['categories'] = new PwgNamedArray($related_categories, 'category', array('id','url', 'page_url') ); + $ret['tags'] = new PwgNamedArray($related_tags, 'tag', array('id','url_name','url','page_url') ); + $ret['comments'] = array( + WS_XML_ATTRIBUTES => array('nb_comments' => $nb_comments), + WS_XML_CONTENT => new PwgNamedArray($related_comments, 'comment', array('id') ) + ); + unset($ret['path']); + unset($ret['storage_category_id']); + return new PwgNamedStruct('image',$ret, null, array('name','comment') ); +} + + +function ws_session_login($params, &$service) +{ + global $conf; + + if (!$service->isPost()) + { + return new PwgError(400, "This method requires POST"); + } + + $username = $params['username']; + // retrieving the encrypted password of the login submitted + $query = ' +SELECT '.$conf['user_fields']['id'].' AS id, + '.$conf['user_fields']['password'].' AS password + FROM '.USERS_TABLE.' + WHERE '.$conf['user_fields']['username'].' = \''.$username.'\' +;'; + $row = mysql_fetch_assoc(pwg_query($query)); + + if ($row['password'] == $conf['pass_convert']($params['password'])) + { + log_user($row['id'], false); + return true; + } + return new PwgError(999, 'Invalid username/password'); +} + +function ws_session_logout($params, &$service) +{ + global $user, $conf; + if (!$user['is_the_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'] = $user['is_the_guest'] ? 'guest' : $user['username']; + $res['status'] = $user['status']; + return $res; +} + + +function ws_tags_getList($params, &$service) +{ + global $user; + $tags = get_available_tags(explode(',', $user['forbidden_categories'])); + if ($params['sort_by_counter']) + { + usort($tags, create_function('$a,$b', 'return -$a["counter"]+$b["counter"];') ); + } + else + { + usort($tags, 'name_compare'); + } + for ($i=0; $i<count($tags); $i++) + { + $tags[$i]['id'] = (int)$tags[$i]['tag_id']; + $tags[$i]['counter'] = (int)$tags[$i]['counter']; + unset($tags[$i]['tag_id']); + $tags[$i]['url'] = make_index_url( + array( + 'section'=>'tags', + 'tags'=>array($tags[$i]) + ) + ); + } + return array('tags' => new PwgNamedArray($tags, 'tag', array('id','url_name','url', 'counter' )) ); +} + +function ws_tags_getImages($params, &$service) +{ + @include_once(PHPWG_ROOT_PATH.'include/functions_picture.inc.php'); + global $user, $conf; + + // first build all the tag_ids we are interested in + $tag_ids = array(); + $tags = get_available_tags(); + $tags_by_id = array(); + for( $i=0; $i<count($tags); $i++ ) + { + $tags[$i]['tag_id']=(int)$tags[$i]['tag_id']; + $tags[$i]['id']=(int)$tags[$i]['tag_id']; //required by make_xxx_url + } + foreach( $tags as $tag ) + { + $tags_by_id[ $tag['tag_id'] ] = $tag; + if ( + in_array($tag['name'], $params['tag_name']) + or + in_array($tag['url_name'], $params['tag_url_name']) + ) + { + $tag_ids[] = $tag['tag_id']; + } + } + unset($tags); + + foreach( $params['tag_id'] as $tag_id ) + { + if ( (int)$tag_id > 0 ) + { + $tag_ids[] = $tag_id; + } + } + + $tag_ids = array_unique( $tag_ids ); + + $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); + $where_clauses[] = 'category_id NOT IN ('.$user['forbidden_categories'].')'; + $where_clauses[] = 'id IN ('.implode(',',$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)) + { + foreach ( array('id', 'width', 'height', 'hit') as $k ) + { + if (isset($row[$k])) + { + $image[$k] = (int)$row[$k]; + } + } + foreach ( array('name', 'file') 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', + array('id', 'tn_url', 'element_url', 'file','width','height','hit') ) + ) + ); +} + +?> |