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729 lines
19 KiB
PHP
729 lines
19 KiB
PHP
<?php
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/***************************************************************************
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* functions_admin.php
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* -------------------
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* begin : Saturday, Feb 13, 2001
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* copyright : (C) 2001 The phpBB Group
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* email : support@phpbb.com
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*
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* $Id$
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*
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***************************************************************************/
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/***************************************************************************
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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; either version 2 of the License, or
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* (at your option) any later version.
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*
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***************************************************************************/
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// Simple version of jumpbox, just lists authed forums
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function make_forum_select($default_forum = false, $ignore_forum = false)
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{
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global $db, $userdata, $auth, $lang;
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$sql = "SELECT forum_id, forum_name, left_id, right_id
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FROM " . FORUMS_TABLE . "
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ORDER BY left_id ASC";
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$result = $db->sql_query($sql);
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$right = 0;
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$subforum = '';
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$forum_list = '';
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while ( $row = $db->sql_fetchrow($result) )
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{
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if ( $row['left_id'] < $right )
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{
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$subforum .= ' ';
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}
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else if ( $row['left_id'] > $right + 1 )
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{
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$subforum = substr($subforum, 0, -18 * ( $row['left_id'] - $right + 1 ));
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}
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$right = $row['right_id'];
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if ( ( $auth->acl_get('f_list', $forum_id) || $auth->acl_get('a_') ) && $ignore_forum != $row['forum_id'] )
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{
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$selected = ( $row['forum_id'] == $default_forum ) ? ' selected="selected"' : '';
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$forum_list .= '<option value="' . $row['forum_id'] . '"' . $selected . '>' . $subforum . $row['forum_name'] . '</option>';
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}
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}
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$db->sql_freeresult($result);
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return ( $forum_list == '' ) ? '<option value="-1">' . $lang['No_forums'] . '</option>' : $forum_list;
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}
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// Synchronise functions for forums/topics
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function sync($type, $id)
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{
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global $db;
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switch($type)
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{
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case 'all forums':
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$sql = "SELECT forum_id
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FROM " . FORUMS_TABLE;
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$result = $db->sql_query($sql);
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while( $row = $db->sql_fetchrow($result) )
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{
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sync('forum', $row['forum_id']);
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}
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break;
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case 'all topics':
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$sql = "SELECT topic_id
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FROM " . TOPICS_TABLE;
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$result = $db->sql_query($sql);
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while( $row = $db->sql_fetchrow($result) )
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{
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sync('topic', $row['topic_id']);
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}
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break;
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case 'forum':
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$sql = "SELECT MAX(p.post_id) AS last_post, COUNT(p.post_id) AS total
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FROM " . POSTS_TABLE . " p, " . TOPICS_TABLE . " t
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WHERE p.forum_id = $id
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AND t.topic_id = p.topic_id
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AND t.topic_status <> " . ITEM_MOVED;
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$result = $db->sql_query($sql);
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if ( $row = $db->sql_fetchrow($result) )
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{
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$last_post = ( $row['last_post'] ) ? $row['last_post'] : 0;
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$total_posts = ($row['total']) ? $row['total'] : 0;
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}
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else
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{
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$last_post = 0;
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$total_posts = 0;
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}
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$sql = "SELECT COUNT(topic_id) AS total
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FROM " . TOPICS_TABLE . "
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WHERE forum_id = $id
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AND topic_status <> " . ITEM_MOVED;
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$result = $db->sql_query($sql);
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$total_topics = ( $row = $db->sql_fetchrow($result) ) ? ( ( $row['total'] ) ? $row['total'] : 0 ) : 0;
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$sql = "UPDATE " . FORUMS_TABLE . "
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SET forum_last_post_id = $last_post, forum_posts = $total_posts, forum_topics = $total_topics
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WHERE forum_id = $id";
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$db->sql_query($sql);
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break;
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case 'topic':
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$sql = "SELECT MAX(post_id) AS last_post, MIN(post_id) AS first_post, COUNT(post_id) AS total_posts
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FROM " . POSTS_TABLE . "
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WHERE topic_id = $id";
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$result = $db->sql_query($sql);
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if ( $row = $db->sql_fetchrow($result) )
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{
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$sql = "UPDATE " . TOPICS_TABLE . "
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SET topic_replies = " . ( $row['total_posts'] - 1 ) . ", topic_first_post_id = " . $row['first_post'] . ", topic_last_post_id = " . $row['last_post'] . "
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WHERE topic_id = $id";
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$db->sql_query($sql);
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}
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case 'post':
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break;
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break;
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}
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return true;
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}
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function prune($forum_id, $prune_date)
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{
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global $db, $lang, $phpEx, $phpbb_root_path;
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// Those without polls ...
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$sql = "SELECT t.topic_id
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FROM " . POSTS_TABLE . " p, " . TOPICS_TABLE . " t
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WHERE t.forum_id = $forum_id
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AND t.topic_vote = 0
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AND t.topic_type <> " . POST_ANNOUNCE . "
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AND ( p.post_id = t.topic_last_post_id
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OR t.topic_last_post_id = 0 )";
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if ( $prune_date != '' )
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{
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$sql .= " AND p.post_time < $prune_date";
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}
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$result = $db->sql_query($sql);
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$sql_topics = '';
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while ( $row = $db->sql_fetchrow($result) )
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{
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$sql_topics .= ( ( $sql_topics != '' ) ? ', ' : '' ) . $row['topic_id'];
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}
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if ( $sql_topics != '' )
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{
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$sql = "SELECT post_id
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FROM " . POSTS_TABLE . "
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WHERE forum_id = $forum_id
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AND topic_id IN ($sql_topics)";
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$result = $db->sql_query($sql);
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$sql_post = '';
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while ( $row = $db->sql_fetchrow($result) )
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{
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$sql_post .= ( ( $sql_post != '' ) ? ', ' : '' ) . $row['post_id'];
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}
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if ( $sql_post != '' )
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{
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$db->sql_transaction();
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$sql = "DELETE FROM " . TOPICS_TABLE . "
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WHERE topic_id IN ($sql_topics)";
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$db->sql_query($sql);
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$pruned_topics = $db->sql_affectedrows();
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$sql = "DELETE FROM " . POSTS_TABLE . "
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WHERE post_id IN ($sql_post)";
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$db->sql_query($sql);
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$pruned_posts = $db->sql_affectedrows();
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$sql = "DELETE FROM " . POSTS_TEXT_TABLE . "
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WHERE post_id IN ($sql_post)";
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$db->sql_query($sql);
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$sql = "DELETE FROM " . SEARCH_MATCH_TABLE . "
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WHERE post_id IN ($sql_post)";
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$db->sql_query($sql);
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remove_search_post($sql_post);
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$db->sql_transaction('commit');
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return array ('topics' => $pruned_topics, 'posts' => $pruned_posts);
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}
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}
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return array('topics' => 0, 'posts' => 0);
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}
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// Function auto_prune(), this function will read the configuration data from
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// the auto_prune table and call the prune function with the necessary info.
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function auto_prune($forum_id = 0)
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{
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global $db, $lang;
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$sql = "SELECT prune_freq, prune_days
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FROM " . FORUMS_TABLE . "
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WHERE forum_id = $forum_id";
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$result = $db->sql_query($sql);
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if ( $row = $db->sql_fetchrow($result) )
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{
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if ( $row['prune_freq'] && $row['prune_days'] )
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{
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$prune_date = time() - ( $row['prune_days'] * 86400 );
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$next_prune = time() + ( $row['prune_freq'] * 86400 );
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prune($forum_id, $prune_date);
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sync('forum', $forum_id);
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$sql = "UPDATE " . FORUMS_TABLE . "
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SET prune_next = $next_prune
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WHERE forum_id = $forum_id";
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$db->sql_query($sql);
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}
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}
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return;
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}
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// remove_comments will strip the sql comment lines out of an uploaded sql file
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// specifically for mssql and postgres type files in the install....
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function remove_comments(&$output)
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{
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$lines = explode("\n", $output);
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$output = '';
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// try to keep mem. use down
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$linecount = count($lines);
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$in_comment = false;
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for($i = 0; $i < $linecount; $i++)
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{
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if ( preg_match('/^\/\*/', preg_quote($lines[$i])) )
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{
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$in_comment = true;
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}
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if ( !$in_comment )
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{
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$output .= $lines[$i] . "\n";
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}
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if ( preg_match('/\*\/$/', preg_quote($lines[$i])) )
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{
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$in_comment = false;
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}
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}
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unset($lines);
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return $output;
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}
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// remove_remarks will strip the sql comment lines out of an uploaded sql file
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function remove_remarks($sql)
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{
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$lines = explode("\n", $sql);
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// try to keep mem. use down
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$sql = '';
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$linecount = count($lines);
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$output = '';
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for ($i = 0; $i < $linecount; $i++)
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{
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if ( $i != $linecount - 1 || strlen($lines[$i]) > 0 )
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{
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$output .= ( $lines[$i][0] != '#' ) ? $lines[$i] . "\n" : "\n";
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// Trading a bit of speed for lower mem. use here.
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$lines[$i] = '';
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}
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}
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return $output;
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}
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// split_sql_file will split an uploaded sql file into single sql statements.
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// Note: expects trim() to have already been run on $sql.
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function split_sql_file($sql, $delimiter)
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{
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// Split up our string into "possible" SQL statements.
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$tokens = explode($delimiter, $sql);
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// try to save mem.
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$sql = '';
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$output = array();
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// we don't actually care about the matches preg gives us.
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$matches = array();
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// this is faster than calling count($oktens) every time thru the loop.
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$token_count = count($tokens);
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for ($i = 0; $i < $token_count; $i++)
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{
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// Don't wanna add an empty string as the last thing in the array.
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if ( $i != $token_count - 1 || strlen($tokens[$i] > 0) )
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{
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// This is the total number of single quotes in the token.
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$total_quotes = preg_match_all("/'/", $tokens[$i], $matches);
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// Counts single quotes that are preceded by an odd number of backslashes,
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// which means they're escaped quotes.
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$escaped_quotes = preg_match_all("/(?<!\\\\)(\\\\\\\\)*\\\\'/", $tokens[$i], $matches);
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$unescaped_quotes = $total_quotes - $escaped_quotes;
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// If the number of unescaped quotes is even, then the delimiter did NOT occur inside a string literal.
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if ( !($unescaped_quotes % 2) )
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{
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// It's a complete sql statement.
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$output[] = $tokens[$i];
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// save memory.
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$tokens[$i] = '';
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}
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else
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{
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// incomplete sql statement. keep adding tokens until we have a complete one.
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// $temp will hold what we have so far.
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$temp = $tokens[$i] . $delimiter;
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// save memory..
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$tokens[$i] = '';
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// Do we have a complete statement yet?
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$complete_stmt = false;
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for ($j = $i + 1; (!$complete_stmt && ($j < $token_count)); $j++)
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{
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// This is the total number of single quotes in the token.
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$total_quotes = preg_match_all("/'/", $tokens[$j], $matches);
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// Counts single quotes that are preceded by an odd number of backslashes,
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// which means they're escaped quotes.
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$escaped_quotes = preg_match_all("/(?<!\\\\)(\\\\\\\\)*\\\\'/", $tokens[$j], $matches);
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$unescaped_quotes = $total_quotes - $escaped_quotes;
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if ( ($unescaped_quotes % 2) == 1 )
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{
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// odd number of unescaped quotes. In combination with the previous incomplete
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// statement(s), we now have a complete statement. (2 odds always make an even)
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$output[] = $temp . $tokens[$j];
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// save memory.
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$tokens[$j] = '';
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$temp = '';
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// exit the loop.
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$complete_stmt = true;
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// make sure the outer loop continues at the right point.
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$i = $j;
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}
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else
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{
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// even number of unescaped quotes. We still don't have a complete statement.
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// (1 odd and 1 even always make an odd)
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$temp .= $tokens[$j] . $delimiter;
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// save memory.
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$tokens[$j] = '';
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}
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} // for..
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} // else
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}
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}
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return $output;
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}
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// Rebuild board_config array in cache file
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function config_config($config = false)
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{
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global $db, $phpbb_root_path, $phpEx;
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if ( !$config )
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{
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$config = array();
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$sql = "SELECT *
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FROM " . CONFIG_TABLE . "
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WHERE is_dynamic <> 1";
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$result = $db->sql_query($sql);
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while ($row = $db->sql_fetchrow($result))
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{
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$config[$row['config_name']] = $row['config_value'];
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}
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}
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$cache_str = "\$config = array(\n";
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foreach ($config as $config_name => $config_value)
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{
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$cache_str .= "\t'$config_name' => " . ( ( is_numeric($config_value) ) ? $config_value : '"' . addslashes($config_value) . '"' ) . ",\n";
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}
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$cache_str .= ");";
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config_cache_write('\$config = array\(.*?\);', $cache_str);
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return $config;
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}
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// Update config cache file
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function config_cache_write($match, $data)
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{
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global $phpbb_root_path, $phpEx, $user;
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if (!is_writeable($phpbb_root_path . 'config_cache.'.$phpEx))
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{
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trigger_error($user->lang['Cache_writeable']);
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}
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if (!($fp = @fopen($phpbb_root_path . 'config_cache.'.$phpEx, 'r+')))
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{
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trigger_error('Failed opening config_cache. Please ensure the file exists', E_USER_ERROR);
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}
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$config_file = fread($fp, filesize($phpbb_root_path . 'config_cache.'.$phpEx));
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fseek($fp, 0);
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@flock($fp, LOCK_EX);
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if (!fwrite($fp, preg_replace('#' . $match . '#s', $data, $config_file)))
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{
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trigger_error('Could not write out config data to cache', E_USER_ERROR);
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}
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@flock($fp, LOCK_UN);
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fclose($fp);
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return;
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}
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// Extension of auth class for changing permissions
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class auth_admin extends auth
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{
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// Set a user or group ACL record
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function acl_set($mode, &$forum_id, &$ug_id, &$auth)
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{
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global $db;
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// Set any flags as required
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foreach ($auth as $auth_value => $allow)
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{
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$flag = substr($auth_value, 0, strpos($auth_value, '_') + 1);
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if ( empty($auth[$flag]) )
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{
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$auth[$flag] = $allow;
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}
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}
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$sql = "SELECT auth_option_id, auth_value
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FROM " . ACL_OPTIONS_TABLE;
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$result = $db->sql_query($sql);
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while ($row = $db->sql_fetchrow($result))
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{
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$option_ids[$row['auth_value']] = $row['auth_option_id'];
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}
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$db->sql_freeresult($result);
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// One or more forums
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if ( !is_array($forum_id) )
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{
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$forum_id = array($forum_id);
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}
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// NOTE THIS USED TO BE IN ($forum_id, 0) ...
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$forum_sql = 'AND a.forum_id IN (' . implode(', ', $forum_id) . ')';
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$sql = ( $mode == 'user' ) ? "SELECT o.auth_option_id, o.auth_value, a.forum_id, a.auth_allow_deny FROM " . ACL_USERS_TABLE . " a, " . ACL_OPTIONS_TABLE . " o WHERE a.auth_option_id = o.auth_option_id $forum_sql AND a.user_id = $ug_id" :"SELECT o.auth_option_id, o.auth_value, a.forum_id, a.auth_allow_deny FROM " . ACL_GROUPS_TABLE . " a, " . ACL_OPTIONS_TABLE . " o WHERE a.auth_option_id = o.auth_option_id $forum_sql AND a.group_id = $ug_id";
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$result = $db->sql_query($sql);
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$cur_auth = array();
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while ( $row = $db->sql_fetchrow($result) )
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{
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$cur_auth[$row['forum_id']][$row['auth_option_id']] = $row['auth_allow_deny'];
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}
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$db->sql_freeresult($result);
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$table = ( $mode == 'user' ) ? ACL_USERS_TABLE : ACL_GROUPS_TABLE;
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$id_field = $mode . '_id';
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foreach ( $forum_id as $forum)
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{
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foreach ( $auth as $auth_value => $allow )
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{
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$auth_option_id = $option_ids[$auth_value];
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if ( !empty($cur_auth[$forum]) )
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{
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$sql_ary[] = ( !isset($cur_auth[$forum][$auth_option_id]) ) ? "INSERT INTO $table ($id_field, forum_id, auth_option_id, auth_allow_deny) VALUES ($ug_id, $forum, $auth_option_id, $allow)" : ( ( $cur_auth[$forum][$auth_option_id] != $allow ) ? "UPDATE " . $table . " SET auth_allow_deny = $allow WHERE $id_field = $ug_id AND forum_id = $forum AND auth_option_id = $auth_option_id" : '' );
|
|
}
|
|
else
|
|
{
|
|
$sql_ary[] = "INSERT INTO $table ($id_field, forum_id, auth_option_id, auth_allow_deny) VALUES ($ug_id, $forum, $auth_option_id, $allow)";
|
|
}
|
|
}
|
|
}
|
|
unset($forum_id);
|
|
unset($user_auth);
|
|
|
|
foreach ( $sql_ary as $sql )
|
|
{
|
|
if ( $sql != '' )
|
|
{
|
|
$result = $db->sql_query($sql);
|
|
$db->sql_freeresult($result);
|
|
}
|
|
}
|
|
unset($sql_ary);
|
|
|
|
$this->acl_clear_prefetch();
|
|
}
|
|
|
|
function acl_delete($mode, &$forum_id, &$ug_id, $auth_ids = false)
|
|
{
|
|
global $db;
|
|
|
|
$auth_sql = '';
|
|
if ($auth_ids)
|
|
{
|
|
for($i = 0; $i < count($auth_ids); $i++)
|
|
{
|
|
$auth_sql .= ( ( $auth_sql != '' ) ? ', ' : '' ) . $auth_ids[$i];
|
|
}
|
|
$auth_sql = " AND auth_option_id IN ($auth_sql)";
|
|
}
|
|
|
|
$table = ( $mode == 'user' ) ? ACL_USERS_TABLE : ACL_GROUPS_TABLE;
|
|
$id_field = $mode . '_id';
|
|
|
|
$sql = "DELETE FROM $table
|
|
WHERE $id_field = $ug_id
|
|
AND forum_id = $forum_id
|
|
$auth_sql";
|
|
$db->sql_query($sql);
|
|
|
|
$this->acl_clear_prefetch();
|
|
}
|
|
|
|
function acl_clear_prefetch($user_id = false)
|
|
{
|
|
global $db;
|
|
|
|
$where_sql = ( $user_id ) ? "WHERE user_id = $user_id" : '';
|
|
|
|
$sql = "UPDATE " . USERS_TABLE . "
|
|
SET user_permissions = ''
|
|
$where_sql";
|
|
$db->sql_query($sql);
|
|
|
|
return;
|
|
}
|
|
|
|
// Add a new option to the list ... $options is a hash of form ->
|
|
// $options = array(
|
|
// 'local' => array('option1', 'option2', ...),
|
|
// 'global' => array('optionA', 'optionB', ...)
|
|
// );
|
|
function acl_add_option($options)
|
|
{
|
|
global $db;
|
|
|
|
if (!is_array($new_options))
|
|
{
|
|
trigger_error('Incorrect parameter for acl_add_option', E_USER_ERROR);
|
|
}
|
|
|
|
$cur_options = array();
|
|
|
|
$sql = "SELECT auth_value, is_global, is_local
|
|
FROM " . ACL_OPTIONS_TABLE . "
|
|
ORDER BY is_global, is_local, auth_value";
|
|
$result = $db->sql_query($sql);
|
|
|
|
while ( $row = $db->sql_fetchrow($result) )
|
|
{
|
|
if ( !empty($row['is_global']) )
|
|
{
|
|
$cur_options['global'][] = $row['auth_value'];
|
|
}
|
|
if ( !empty($row['is_local']) )
|
|
{
|
|
$cur_options['local'][] = $row['auth_value'];
|
|
}
|
|
}
|
|
$db->sql_freeresult($result);
|
|
|
|
if (!is_array($options))
|
|
{
|
|
trigger_error('Incorrect parameter for acl_add_option', E_USER_ERROR);
|
|
}
|
|
|
|
// Here we need to insert new options ... this requires
|
|
// discovering whether an options is global, local or both
|
|
// and whether we need to add an option type flag (x_)
|
|
$new_options = array();
|
|
foreach ($options as $type => $option_ary)
|
|
{
|
|
$option_ary = array_unique($option_ary);
|
|
foreach ($option_ary as $option_value)
|
|
{
|
|
if (!in_array($option_value, $cur_options[$type]))
|
|
{
|
|
$new_options[$type][] = $option_value;
|
|
}
|
|
|
|
$flag = substr($option_value, 0, strpos($option_value, '_') + 1);
|
|
if (!in_array($flag, $cur_options[$type]) && !in_array($flag, $new_options[$type]))
|
|
{
|
|
$new_options[$type][] = $flag;
|
|
}
|
|
}
|
|
}
|
|
unset($options);
|
|
|
|
$options = array();
|
|
$options['local'] = array_diff($new_options['local'], $new_options['global']);
|
|
$options['global'] = array_diff($new_options['global'], $new_options['local']);
|
|
$options['local_global'] = array_intersect($new_options['local'], $new_options['global']);
|
|
|
|
$type_sql = array('local' => '0, 1', 'global' => '1, 0', 'local_global' => '1, 1');
|
|
|
|
$sql = '';
|
|
foreach ($options as $type => $option_ary)
|
|
{
|
|
foreach ($option_ary as $option)
|
|
{
|
|
switch (SQL_LAYER)
|
|
{
|
|
case 'mysql':
|
|
case 'mysql4':
|
|
$sql .= ( ($sql != '') ? ', ' : '' ) . "('$option', " . $type_sql[$type] . ")";
|
|
break;
|
|
case 'mssql':
|
|
$sql .= ( ($sql != '') ? ' UNION ALL ' : '' ) . " SELECT '$option', " . $type_sql[$type];
|
|
break;
|
|
default:
|
|
$sql = "INSERT INTO " . ACL_OPTIONS_TABLE . " (auth_value, is_global, is_local)
|
|
VALUES ($option, " . $type_sql[$type] . ")";
|
|
$result = $db->sql_query($sql);
|
|
$db->sql_freeresult($result);
|
|
$sql = '';
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( $sql != '' )
|
|
{
|
|
$sql = "INSERT INTO " . ACL_OPTIONS_TABLE . " (auth_value, is_global, is_local)
|
|
VALUES $sql";
|
|
$result = $db->sql_query($sql);
|
|
}
|
|
|
|
$this->acl_cache_options($options);
|
|
}
|
|
|
|
function acl_cache_options($options = false)
|
|
{
|
|
global $db;
|
|
|
|
$options = array();
|
|
|
|
if ( !$options )
|
|
{
|
|
$sql = "SELECT auth_value, is_global, is_local
|
|
FROM " . ACL_OPTIONS_TABLE . "
|
|
ORDER BY is_global, is_local, auth_value";
|
|
$result = $db->sql_query($sql);
|
|
|
|
$global = $local = 0;
|
|
while ( $row = $db->sql_fetchrow($result) )
|
|
{
|
|
if ( !empty($row['is_global']) )
|
|
{
|
|
$options['global'][$row['auth_value']] = $global++;
|
|
}
|
|
if ( !empty($row['is_local']) )
|
|
{
|
|
$options['local'][$row['auth_value']] = $local++;
|
|
}
|
|
}
|
|
$db->sql_freeresult($result);
|
|
}
|
|
|
|
// Re-cache options
|
|
$cache_str = "\$acl_options = array(\n";
|
|
foreach ($options as $type => $options_ary)
|
|
{
|
|
$cache_str .= "\t'$type' => array(\n";
|
|
foreach ($options_ary as $option_value => $option_id)
|
|
{
|
|
$cache_str .= "\t\t'$option_value' => " . $option_id . ",\n";
|
|
}
|
|
$cache_str .= "\t),\n";
|
|
}
|
|
$cache_str .= ");";
|
|
|
|
config_cache_write('\$acl_options = array\(.*?\);', $cache_str);
|
|
$this->acl_clear_prefetch();
|
|
|
|
return $options;
|
|
}
|
|
}
|
|
|
|
?>
|