mirror of
https://github.com/Piwigo/Piwigo.git
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fix: image_order cookie path fixed for url rewriting
improve: add function access_denied called when check_status or check_restrictions fail fix: french language correction fix: remove php warnings in clean_iptc_value split search functions into include/functions_search.inc.php git-svn-id: http://piwigo.org/svn/trunk@1113 68402e56-0260-453c-a942-63ccdbb3a9ee
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rvelices
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<?php
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// +-----------------------------------------------------------------------+
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// | PhpWebGallery - a PHP based picture gallery |
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// | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net |
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// | Copyright (C) 2003-2006 PhpWebGallery Team - http://phpwebgallery.net |
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// +-----------------------------------------------------------------------+
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// | branch : BSF (Best So Far)
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// | file : $Id$
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// | last update : $Date$
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// | last modifier : $Author$
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// | revision : $Revision$
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// +-----------------------------------------------------------------------+
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// | This program is free software; you can redistribute it and/or modify |
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// | it under the terms of the GNU General Public License as published by |
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// | the Free Software Foundation |
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// | |
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// | This program is distributed in the hope that it will be useful, but |
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// | WITHOUT ANY WARRANTY; without even the implied warranty of |
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// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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// | General Public License for more details. |
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// | |
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// | You should have received a copy of the GNU General Public License |
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// | along with this program; if not, write to the Free Software |
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// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
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// | USA. |
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// +-----------------------------------------------------------------------+
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/**
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* Prepends and appends a string at each value of the given array.
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*
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* @param array
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* @param string prefix to each array values
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* @param string suffix to each array values
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*/
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function prepend_append_array_items($array, $prepend_str, $append_str)
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{
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array_walk(
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$array,
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create_function('&$s', '$s = "'.$prepend_str.'".$s."'.$append_str.'";')
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);
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return $array;
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}
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/**
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* returns search rules stored into a serialized array in "search"
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* table. Each search rules set is numericaly identified.
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*
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* @param int search_id
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* @return array
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*/
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function get_search_array($search_id)
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{
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if (!is_numeric($search_id))
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{
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die('Search id must be an integer');
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}
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$query = '
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SELECT rules
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FROM '.SEARCH_TABLE.'
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WHERE id = '.$search_id.'
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;';
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list($serialized_rules) = mysql_fetch_row(pwg_query($query));
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return unserialize($serialized_rules);
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}
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/**
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* returns the SQL clause from a search identifier
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*
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* Search rules are stored in search table as a serialized array. This array
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* need to be transformed into an SQL clause to be used in queries.
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*
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* @param int search_id
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* @return string
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*/
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function get_sql_search_clause($search_id)
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{
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$search = get_search_array($search_id);
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// SQL where clauses are stored in $clauses array during query
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// construction
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$clauses = array();
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foreach (array('file','name','comment','keywords','author') as $textfield)
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{
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if (isset($search['fields'][$textfield]))
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{
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$local_clauses = array();
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foreach ($search['fields'][$textfield]['words'] as $word)
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{
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array_push($local_clauses, $textfield." LIKE '%".$word."%'");
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}
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// adds brackets around where clauses
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$local_clauses = prepend_append_array_items($local_clauses, '(', ')');
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array_push(
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$clauses,
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implode(
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' '.$search['fields'][$textfield]['mode'].' ',
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$local_clauses
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)
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);
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}
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}
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if (isset($search['fields']['allwords']))
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{
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$fields = array('file', 'name', 'comment', 'keywords', 'author');
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// in the OR mode, request bust be :
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// ((field1 LIKE '%word1%' OR field2 LIKE '%word1%')
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// OR (field1 LIKE '%word2%' OR field2 LIKE '%word2%'))
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//
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// in the AND mode :
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// ((field1 LIKE '%word1%' OR field2 LIKE '%word1%')
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// AND (field1 LIKE '%word2%' OR field2 LIKE '%word2%'))
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$word_clauses = array();
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foreach ($search['fields']['allwords']['words'] as $word)
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{
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$field_clauses = array();
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foreach ($fields as $field)
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{
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array_push($field_clauses, $field." LIKE '%".$word."%'");
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}
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// adds brackets around where clauses
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array_push(
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$word_clauses,
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implode(
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"\n OR ",
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$field_clauses
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)
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);
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}
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array_walk(
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$word_clauses,
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create_function('&$s','$s="(".$s.")";')
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);
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array_push(
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$clauses,
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"\n ".
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implode(
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"\n ".
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$search['fields']['allwords']['mode'].
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"\n ",
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$word_clauses
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)
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);
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}
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foreach (array('date_available', 'date_creation') as $datefield)
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{
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if (isset($search['fields'][$datefield]))
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{
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array_push(
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$clauses,
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$datefield." = '".$search['fields'][$datefield]['date']."'"
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);
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}
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foreach (array('after','before') as $suffix)
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{
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$key = $datefield.'-'.$suffix;
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if (isset($search['fields'][$key]))
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{
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array_push(
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$clauses,
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$datefield.
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($suffix == 'after' ? ' >' : ' <').
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($search['fields'][$key]['inc'] ? '=' : '').
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" '".$search['fields'][$key]['date']."'"
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);
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}
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}
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}
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if (isset($search['fields']['cat']))
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{
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if ($search['fields']['cat']['sub_inc'])
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{
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// searching all the categories id of sub-categories
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$cat_ids = get_subcat_ids($search['fields']['cat']['words']);
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}
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else
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{
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$cat_ids = $search['fields']['cat']['words'];
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}
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$local_clause = 'category_id IN ('.implode(',', $cat_ids).')';
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array_push($clauses, $local_clause);
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}
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// adds brackets around where clauses
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$clauses = prepend_append_array_items($clauses, '(', ')');
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$where_separator =
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implode(
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"\n ".$search['mode'].' ',
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$clauses
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);
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$search_clause = $where_separator;
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if (isset($forbidden))
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{
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$search_clause.= "\n AND ".$forbidden;
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}
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return $search_clause;
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}
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?>
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