Location: PHPKode > projects > PHPNUKE FRANCE > phpnuke.79-english-hardcoded/html/includes/functions_post.php
<?php
/***************************************************************************
 *                            functions_post.php
 *                            -------------------
 *   begin                : Saturday, Feb 13, 2001
 *   copyright            : (C) 2001 The phpBB Group
 *   email                : hide@address.com
 *
 *   Id: functions_post.php,v 1.9.2.37 2004/11/18 17:49:44 acydburn Exp
 *
 *
 ***************************************************************************/

/***************************************************************************
 *
 *   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; either version 2 of the License, or
 *   (at your option) any later version.
 *
 ***************************************************************************/

if (!defined('IN_PHPBB'))
{
        die('Hacking attempt');
}

$html_entities_match = array('#&(?!(\#[0-9]+;))#', '#<#', '#>#');
$html_entities_replace = array('&amp;', '&lt;', '&gt;');

$unhtml_specialchars_match = array('#&gt;#', '#&lt;#', '#&quot;#', '#&amp;#');
$unhtml_specialchars_replace = array('>', '<', '"', '&');

//
// This function will prepare a posted message for
// entry into the database.
//
function prepare_message($message, $html_on, $bbcode_on, $smile_on, $bbcode_uid = 0)
{
        global $board_config, $html_entities_match, $html_entities_replace;

        //
        // Clean up the message
        //
        $message = trim($message);

        if ($html_on)
        {
                $allowed_html_tags = split(',', $board_config['allow_html_tags']);

                $end_html = 0;
                $start_html = 1;
                $tmp_message = '';
                $message = ' ' . $message . ' ';

                while ($start_html = strpos($message, '<', $start_html))
                {
                        $tmp_message .= preg_replace($html_entities_match, $html_entities_replace, substr($message, $end_html + 1, ($start_html - $end_html - 1)));

                        if ($end_html = strpos($message, '>', $start_html))
                        {
                                $length = $end_html - $start_html + 1;
                                $hold_string = substr($message, $start_html, $length);

                                if (($unclosed_open = strrpos(' ' . $hold_string, '<')) != 1)
                                {
                                        $tmp_message .= preg_replace($html_entities_match, $html_entities_replace, substr($hold_string, 0, $unclosed_open - 1));
                                        $hold_string = substr($hold_string, $unclosed_open - 1);
                                }

                                $tagallowed = false;
                                for ($i = 0; $i < sizeof($allowed_html_tags); $i++)
                                {
                                        $match_tag = trim($allowed_html_tags[$i]);
                                        if (preg_match('#^<\/?' . $match_tag . '[> ]#i', $hold_string))
                                        {
						$tagallowed = (preg_match('#^<\/?' . $match_tag . ' .*?(style[\t ]*?=|on[\w]+[\t ]*?=)#i', $hold_string)) ? false : true;
                                        }
                                }

                                $tmp_message .= ($length && !$tagallowed) ? preg_replace($html_entities_match, $html_entities_replace, $hold_string) : $hold_string;

                                $start_html += $length;
                        }
                        else
                        {
                                $tmp_message .= preg_replace($html_entities_match, $html_entities_replace, substr($message, $start_html, strlen($message)));

                                $start_html = strlen($message);
                                $end_html = $start_html;
                        }
                }

		if (!$end_html || ($end_html != strlen($message) && $tmp_message != ''))
                {
                        $tmp_message .= preg_replace($html_entities_match, $html_entities_replace, substr($message, $end_html + 1));
                }

                $message = ($tmp_message != '') ? trim($tmp_message) : trim($message);
        }
        else
        {
                $message = preg_replace($html_entities_match, $html_entities_replace, $message);
        }

        if($bbcode_on && $bbcode_uid != '')
        {
                $message = bbencode_first_pass($message, $bbcode_uid);
        }

        return $message;
}

function unprepare_message($message)
{
        global $unhtml_specialchars_match, $unhtml_specialchars_replace;

        return preg_replace($unhtml_specialchars_match, $unhtml_specialchars_replace, $message);
}

//
// Prepare a message for posting
//
function prepare_post(&$mode, &$post_data, &$bbcode_on, &$html_on, &$smilies_on, &$error_msg, &$username, &$bbcode_uid, &$subject, &$message, &$poll_title, &$poll_options, &$poll_length)
{
        global $board_config, $userdata, $lang, $phpEx, $phpbb_root_path;

        // Check username
        if (!empty($username))
        {
		$username = phpbb_clean_username($username);

                if (!$userdata['session_logged_in'] || ($userdata['session_logged_in'] && $username != $userdata['username']))
                {
                        include("includes/functions_validate.php");

                        $result = validate_username($username);
                        if ($result['error'])
                        {
                                $error_msg .= (!empty($error_msg)) ? '<br />' . $result['error_msg'] : $result['error_msg'];
                        }
                }
                else
                {
                        $username = '';
                }
        }

        // Check subject
        if (!empty($subject))
        {
                $subject = htmlspecialchars(trim($subject));
        }
        else if ($mode == 'newtopic' || ($mode == 'editpost' && $post_data['first_post']))
        {
                $error_msg .= (!empty($error_msg)) ? '<br />' . $lang['Empty_subject'] : $lang['Empty_subject'];
        }

        // Check message
        if (!empty($message))
        {
                $bbcode_uid = ($bbcode_on) ? make_bbcode_uid() : '';
                $message = prepare_message(trim($message), $html_on, $bbcode_on, $smilies_on, $bbcode_uid);
        }
        else if ($mode != 'delete' && $mode != 'poll_delete')
        {
                $error_msg .= (!empty($error_msg)) ? '<br />' . $lang['Empty_message'] : $lang['Empty_message'];
        }

        //
        // Handle poll stuff
        //
        if ($mode == 'newtopic' || ($mode == 'editpost' && $post_data['first_post']))
        {
                $poll_length = (isset($poll_length)) ? max(0, intval($poll_length)) : 0;

                if (!empty($poll_title))
                {
                        $poll_title = htmlspecialchars(trim($poll_title));
                }

                if(!empty($poll_options))
                {
                        $temp_option_text = array();
                        while(list($option_id, $option_text) = @each($poll_options))
                        {
                                $option_text = trim($option_text);
                                if (!empty($option_text))
                                {
                                        $temp_option_text[$option_id] = htmlspecialchars($option_text);
                                }
                        }
                        $option_text = $temp_option_text;

                        if (count($poll_options) < 2)
                        {
                                $error_msg .= (!empty($error_msg)) ? '<br />' . $lang['To_few_poll_options'] : $lang['To_few_poll_options'];
                        }
                        else if (count($poll_options) > $board_config['max_poll_options'])
                        {
                                $error_msg .= (!empty($error_msg)) ? '<br />' . $lang['To_many_poll_options'] : $lang['To_many_poll_options'];
                        }
                        else if ($poll_title == '')
                        {
                                $error_msg .= (!empty($error_msg)) ? '<br />' . $lang['Empty_poll_title'] : $lang['Empty_poll_title'];
                        }
                }
        }

        return;
}

//
// Post a new topic/reply/poll or edit existing post/poll
//
function submit_post($mode, &$post_data, &$message, &$meta, &$forum_id, &$topic_id, &$post_id, &$poll_id, &$topic_type, &$bbcode_on, &$html_on, &$smilies_on, &$attach_sig, &$bbcode_uid, &$post_username, &$post_subject, &$post_message, &$poll_title, &$poll_options, &$poll_length)
{
        global $board_config, $lang, $db, $phpbb_root_path, $phpEx, $userdata, $user_ip;

        include("includes/functions_search.php");

        $current_time = time();

        if ($mode == 'newtopic' || $mode == 'reply' || $mode == 'editpost')
        {
                //
                // Flood control
                //
                $where_sql = ($userdata['user_id'] == ANONYMOUS) ? "poster_ip = '$user_ip'" : 'poster_id = ' . $userdata['user_id'];
                $sql = "SELECT MAX(post_time) AS last_post_time
                        FROM " . POSTS_TABLE . "
                        WHERE $where_sql";
                if ($result = $db->sql_query($sql))
                {
                        if ($row = $db->sql_fetchrow($result))
                        {
                                if (intval($row['last_post_time']) > 0 && ($current_time - intval($row['last_post_time'])) < intval($board_config['flood_interval']))
                                {
                                        message_die(GENERAL_MESSAGE, $lang['Flood_Error']);
                                }
                        }
                }
        }

        if ($mode == 'editpost')
        {
                remove_search_post($post_id);
        }

        if ($mode == 'newtopic' || ($mode == 'editpost' && $post_data['first_post']))
        {
                $topic_vote = (!empty($poll_title) && count($poll_options) >= 2) ? 1 : 0;

                $sql  = ($mode != "editpost") ? "INSERT INTO " . TOPICS_TABLE . " (topic_title, topic_poster, topic_time, forum_id, topic_status, topic_type, topic_vote) VALUES ('$post_subject', " . $userdata['user_id'] . ", '$current_time', '$forum_id', " . TOPIC_UNLOCKED . ", '$topic_type', '$topic_vote')" : "UPDATE " . TOPICS_TABLE . " SET topic_title = '$post_subject', topic_type = $topic_type " . (($post_data['edit_vote'] || !empty($poll_title)) ? ", topic_vote = " . $topic_vote : "") . " WHERE topic_id = '$topic_id'";
                if (!$db->sql_query($sql))
                {
                        message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
                }

                if ($mode == 'newtopic')
                {
                        $topic_id = $db->sql_nextid();
                        update_points(10);
                }
        }

        $edited_sql = ($mode == 'editpost' && !$post_data['last_post'] && $post_data['poster_post']) ? ", post_edit_time = $current_time, post_edit_count = post_edit_count + 1 " : "";
        $sql = ($mode != "editpost") ? "INSERT INTO " . POSTS_TABLE . " (topic_id, forum_id, poster_id, post_username, post_time, poster_ip, enable_bbcode, enable_html, enable_smilies, enable_sig) VALUES ('$topic_id', '$forum_id', " . $userdata['user_id'] . ", '$post_username', '$current_time', '$user_ip', '$bbcode_on', '$html_on', '$smilies_on', '$attach_sig')" : "UPDATE " . POSTS_TABLE . " SET post_username = '$post_username', enable_bbcode = '$bbcode_on', enable_html = '$html_on', enable_smilies = '$smilies_on', enable_sig = '$attach_sig'" . $edited_sql . " WHERE post_id = '$post_id'";
        if (!$db->sql_query($sql, BEGIN_TRANSACTION))
        {
                message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
        }

        if ($mode != 'editpost')
        {
                $post_id = $db->sql_nextid();
        }

        $sql = ($mode != 'editpost') ? "INSERT INTO " . POSTS_TEXT_TABLE . " (post_id, post_subject, bbcode_uid, post_text) VALUES ('$post_id', '$post_subject', '$bbcode_uid', '$post_message')" : "UPDATE " . POSTS_TEXT_TABLE . " SET post_text = '$post_message',  bbcode_uid = '$bbcode_uid', post_subject = '$post_subject' WHERE post_id = '$post_id'";
        if (!$db->sql_query($sql))
        {
                message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
        }

        add_search_words('single', $post_id, stripslashes($post_message), stripslashes($post_subject));

        //
        // Add poll
        //
        if (($mode == 'newtopic' || ($mode == 'editpost' && $post_data['edit_poll'])) && !empty($poll_title) && count($poll_options) >= 2)
        {
                $sql = (!$post_data['has_poll']) ? "INSERT INTO " . VOTE_DESC_TABLE . " (topic_id, vote_text, vote_start, vote_length) VALUES ('$topic_id', '$poll_title', '$current_time', " . ($poll_length * 86400) . ")" : "UPDATE " . VOTE_DESC_TABLE . " SET vote_text = '$poll_title', vote_length = " . ($poll_length * 86400) . " WHERE topic_id = '$topic_id'";
                if (!$db->sql_query($sql))
                {
                        message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
                }

                $delete_option_sql = '';
                $old_poll_result = array();
                if ($mode == 'editpost' && $post_data['has_poll'])
                {
                        $sql = "SELECT vote_option_id, vote_result
                                FROM " . VOTE_RESULTS_TABLE . "
                                WHERE vote_id = '$poll_id'
                                ORDER BY vote_option_id ASC";
                        if (!($result = $db->sql_query($sql)))
                        {
                                message_die(GENERAL_ERROR, 'Could not obtain vote data results for this topic', '', __LINE__, __FILE__, $sql);
                        }

                        while ($row = $db->sql_fetchrow($result))
                        {
                                $old_poll_result[$row['vote_option_id']] = $row['vote_result'];

                                if (!isset($poll_options[$row['vote_option_id']]))
                                {
                                        $delete_option_sql .= ($delete_option_sql != '') ? ', ' . $row['vote_option_id'] : $row['vote_option_id'];
                                }
                        }
                }
                else
                {
                        $poll_id = $db->sql_nextid();
                }

                @reset($poll_options);

                $poll_option_id = 1;
                while (list($option_id, $option_text) = each($poll_options))
                {
                        if (!empty($option_text))
                        {
                                $option_text = str_replace("\'", "''", htmlspecialchars($option_text));
                                $poll_result = ($mode == "editpost" && isset($old_poll_result[$option_id])) ? $old_poll_result[$option_id] : 0;

                                $sql = ($mode != "editpost" || !isset($old_poll_result[$option_id])) ? "INSERT INTO " . VOTE_RESULTS_TABLE . " (vote_id, vote_option_id, vote_option_text, vote_result) VALUES ('$poll_id', '$poll_option_id', '$option_text', '$poll_result')" : "UPDATE " . VOTE_RESULTS_TABLE . " SET vote_option_text = '$option_text', vote_result = '$poll_result' WHERE vote_option_id = '$option_id' AND vote_id = '$poll_id'";
                                if (!$db->sql_query($sql))
                                {
                                        message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
                                }
                                $poll_option_id++;
                        }
                }

                if ($delete_option_sql != '')
                {
                        $sql = "DELETE FROM " . VOTE_RESULTS_TABLE . "
                                WHERE vote_option_id IN ($delete_option_sql)
                                        AND vote_id = '$poll_id'";
                        if (!$db->sql_query($sql))
                        {
                                message_die(GENERAL_ERROR, 'Error deleting pruned poll options', '', __LINE__, __FILE__, $sql);
                        }
                }
        }

        $meta = '<meta http-equiv="refresh" content="3;url=' . append_sid("viewtopic.$phpEx?" . POST_POST_URL . "=" . $post_id) . '#' . $post_id . '">';
        $message = $lang['Stored'] . '<br /><br />' . sprintf($lang['Click_view_message'], '<a href="' . append_sid("viewtopic.$phpEx?" . POST_POST_URL . "=" . $post_id) . '#' . $post_id . '">', '</a>') . '<br /><br />' . sprintf($lang['Click_return_forum'], '<a href="' . append_sid("viewforum.$phpEx?" . POST_FORUM_URL . "=$forum_id") . '">', '</a>');

        return false;
}

//
// Update post stats and details
//
function update_post_stats(&$mode, &$post_data, &$forum_id, &$topic_id, &$post_id, &$user_id)
{
        global $db;

        $sign = ($mode == 'delete') ? '- 1' : '+ 1';
        $forum_update_sql = "forum_posts = forum_posts $sign";
        $topic_update_sql = '';

        if ($mode == 'delete')
        {
                if ($post_data['last_post'])
                {
                        if ($post_data['first_post'])
                        {
                                $forum_update_sql .= ', forum_topics = forum_topics - 1';
                        }
                        else
                        {

                                $topic_update_sql .= 'topic_replies = topic_replies - 1';

                                $sql = "SELECT MAX(post_id) AS last_post_id
                                        FROM " . POSTS_TABLE . "
                                        WHERE topic_id = '$topic_id'";
                                if (!($result = $db->sql_query($sql)))
                                {
                                        message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
                                }

                                if ($row = $db->sql_fetchrow($result))
                                {
                                        $topic_update_sql .= ', topic_last_post_id = ' . $row['last_post_id'];
                                }
                        }

                        if ($post_data['last_topic'])
                        {
                                $sql = "SELECT MAX(post_id) AS last_post_id
                                        FROM " . POSTS_TABLE . "
                                        WHERE forum_id = '$forum_id'";
                                if (!($result = $db->sql_query($sql)))
                                {
                                        message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
                                }

                                if ($row = $db->sql_fetchrow($result))
                                {
                                        $forum_update_sql .= ($row['last_post_id']) ? ', forum_last_post_id = ' . $row['last_post_id'] : ', forum_last_post_id = 0';
                                }
                        }
                }
                else if ($post_data['first_post'])
                {
                        $sql = "SELECT MIN(post_id) AS first_post_id
                                FROM " . POSTS_TABLE . "
                                WHERE topic_id = '$topic_id'";
                        if (!($result = $db->sql_query($sql)))
                        {
                                message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
                        }

                        if ($row = $db->sql_fetchrow($result))
                        {
                                $topic_update_sql .= 'topic_replies = topic_replies - 1, topic_first_post_id = ' . $row['first_post_id'];
                        }
                }
                else
                {
                        $topic_update_sql .= 'topic_replies = topic_replies - 1';
                }
        }
        else if ($mode != 'poll_delete')
        {
                $forum_update_sql .= ", forum_last_post_id = $post_id" . (($mode == 'newtopic') ? ", forum_topics = forum_topics $sign" : "");
                $topic_update_sql = "topic_last_post_id = $post_id" . (($mode == 'reply') ? ", topic_replies = topic_replies $sign" : ", topic_first_post_id = $post_id");
        }
        else
        {
                $topic_update_sql .= 'topic_vote = 0';
        }

        $sql = "UPDATE " . FORUMS_TABLE . " SET
                $forum_update_sql
                WHERE forum_id = '$forum_id'";
        if (!$db->sql_query($sql))
        {
                message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
        }

        if ($topic_update_sql != '')
        {
                $sql = "UPDATE " . TOPICS_TABLE . " SET
                        $topic_update_sql
                        WHERE topic_id = '$topic_id'";
                if (!$db->sql_query($sql))
                {
                        message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
                }
        }

        if ($mode != 'poll_delete')
        {
                $sql = "UPDATE " . USERS_TABLE . "
                        SET user_posts = user_posts $sign
                        WHERE user_id = '$user_id'";
                if (!$db->sql_query($sql, END_TRANSACTION))
                {
                        message_die(GENERAL_ERROR, 'Error in posting', '', __LINE__, __FILE__, $sql);
                }
        }

        return;
}

//
// Delete a post/poll
//
function delete_post($mode, &$post_data, &$message, &$meta, &$forum_id, &$topic_id, &$post_id, &$poll_id)
{
        global $board_config, $lang, $db, $phpbb_root_path, $phpEx, $userdata, $user_ip;

        if ($mode != 'poll_delete')
        {
        include("includes/functions_search.php");

                $sql = "DELETE FROM " . POSTS_TABLE . "
                        WHERE post_id = '$post_id'";
                if (!$db->sql_query($sql))
                {
                        message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
                }

                $sql = "DELETE FROM " . POSTS_TEXT_TABLE . "
                        WHERE post_id = '$post_id'";
                if (!$db->sql_query($sql))
                {
                        message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
                }

                if ($post_data['last_post'])
                {
                        if ($post_data['first_post'])
                        {
                                $forum_update_sql .= ', forum_topics = forum_topics - 1';
                                $sql = "DELETE FROM " . TOPICS_TABLE . "
                                        WHERE topic_id = '$topic_id'
                                                OR topic_moved_id = '$topic_id'";
                                if (!$db->sql_query($sql))
                                {
                                        message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
                                }

                                $sql = "DELETE FROM " . TOPICS_WATCH_TABLE . "
                                        WHERE topic_id = '$topic_id'";
                                if (!$db->sql_query($sql))
                                {
                                        message_die(GENERAL_ERROR, 'Error in deleting post', '', __LINE__, __FILE__, $sql);
                                }
                        }
                }

                remove_search_post($post_id);
        }

        if ($mode == 'poll_delete' || ($mode == 'delete' && $post_data['first_post'] && $post_data['last_post']) && $post_data['has_poll'] && $post_data['edit_poll'])
        {
                $sql = "DELETE FROM " . VOTE_DESC_TABLE . "
                        WHERE topic_id = '$topic_id'";
                if (!$db->sql_query($sql))
                {
                        message_die(GENERAL_ERROR, 'Error in deleting poll', '', __LINE__, __FILE__, $sql);
                }

                $sql = "DELETE FROM " . VOTE_RESULTS_TABLE . "
                        WHERE vote_id = '$poll_id'";
                if (!$db->sql_query($sql))
                {
                        message_die(GENERAL_ERROR, 'Error in deleting poll', '', __LINE__, __FILE__, $sql);
                }

                $sql = "DELETE FROM " . VOTE_USERS_TABLE . "
                        WHERE vote_id = '$poll_id'";
                if (!$db->sql_query($sql))
                {
                        message_die(GENERAL_ERROR, 'Error in deleting poll', '', __LINE__, __FILE__, $sql);
                }
        }

        if ($mode == 'delete' && $post_data['first_post'] && $post_data['last_post'])
        {
                $meta = '<meta http-equiv="refresh" content="3;url=' . append_sid("viewforum.$phpEx?" . POST_FORUM_URL . '=' . $forum_id) . '">';
                $message = $lang['Deleted'];
        }
        else
        {
                $meta = '<meta http-equiv="refresh" content="3;url=' . append_sid("viewtopic.$phpEx?" . POST_TOPIC_URL . '=' . $topic_id) . '">';
                $message = (($mode == 'poll_delete') ? $lang['Poll_delete'] : $lang['Deleted']) . '<br /><br />' . sprintf($lang['Click_return_topic'], '<a href="' . append_sid("viewtopic.$phpEx?" . POST_TOPIC_URL . "=$topic_id") . '">', '</a>');
        }

        $message .=  '<br /><br />' . sprintf($lang['Click_return_forum'], '<a href="' . append_sid("viewforum.$phpEx?" . POST_FORUM_URL . "=$forum_id") . '">', '</a>');

        return;
}

//
// Handle user notification on new post
//
function user_notification($mode, &$post_data, &$topic_title, &$forum_id, &$topic_id, &$post_id, &$notify_user)
{
        global $board_config, $lang, $db, $phpbb_root_path, $phpEx, $userdata, $user_ip;

        $current_time = time();

        if ($mode == 'delete')
        {
                $delete_sql = (!$post_data['first_post'] && !$post_data['last_post']) ? " AND user_id = " . $userdata['user_id'] : '';
                $sql = "DELETE FROM " . TOPICS_WATCH_TABLE . " WHERE topic_id = '$topic_id'" . $delete_sql;
                if (!$db->sql_query($sql))
                {
                        message_die(GENERAL_ERROR, 'Could not change topic notify data', '', __LINE__, __FILE__, $sql);
                }
        }
        else
        {
                if ($mode == 'reply')
                {
                        update_points(11);
                        $sql = "SELECT ban_userid
                                FROM " . BANLIST_TABLE;
                        if (!($result = $db->sql_query($sql)))
                        {
                                message_die(GENERAL_ERROR, 'Could not obtain banlist', '', __LINE__, __FILE__, $sql);
                        }

                        $user_id_sql = '';
                        while ($row = $db->sql_fetchrow($result))
                        {
                                if (isset($row['ban_userid']) && !empty($row['ban_userid']))
                                {
                                        $user_id_sql .= ', ' . $row['ban_userid'];
                                }
                        }

                        $sql = "SELECT u.user_id, u.user_email, u.user_lang
                                FROM " . TOPICS_WATCH_TABLE . " tw, " . USERS_TABLE . " u
                                WHERE tw.topic_id = '$topic_id'
                                        AND tw.user_id NOT IN (" . $userdata['user_id'] . ", " . ANONYMOUS . $user_id_sql . ")
                                        AND tw.notify_status = " . TOPIC_WATCH_UN_NOTIFIED . "
                                        AND u.user_id = tw.user_id";
                        if (!($result = $db->sql_query($sql)))
                        {
                                message_die(GENERAL_ERROR, 'Could not obtain list of topic watchers', '', __LINE__, __FILE__, $sql);
                        }

                        $update_watched_sql = '';
                        $bcc_list_ary = array();

                        if ($row = $db->sql_fetchrow($result))
                        {
                                // Sixty second limit
                                @set_time_limit(60);

                                do
                                {
                                        if ($row['user_email'] != '')
                                        {
                                                $bcc_list_ary[$row['user_lang']][] = $row['user_email'];
                                        }
                                        $update_watched_sql .= ($update_watched_sql != '') ? ', ' . $row['user_id'] : $row['user_id'];
                                }
                                while ($row = $db->sql_fetchrow($result));

                                //
                                // Let's do some checking to make sure that mass mail functions
                                // are working in win32 versions of php.
                                //
                                if (preg_match('/[c-z]:\\\.*/i', getenv('PATH')) && !$board_config['smtp_delivery'])
                                {
                                        $ini_val = (@phpversion() >= '4.0.0') ? 'ini_get' : 'get_cfg_var';

                                        // We are running on windows, force delivery to use our smtp functions
                                        // since php's are broken by default
                                        $board_config['smtp_delivery'] = 1;
                                        $board_config['smtp_host'] = @$ini_val('SMTP');
                                }

                                if (sizeof($bcc_list_ary))
                                {
                                        include("includes/emailer.php");
                                        $emailer = new emailer($board_config['smtp_delivery']);

                                        $script_name = preg_replace('/^\/?(.*?)\/?$/', '\1', trim($board_config['script_path']));
                                        $script_name = 'modules.php?name=Forums&file=viewtopic';
                                        $server_name = trim($board_config['server_name']);
                                        $server_protocol = ($board_config['cookie_secure']) ? 'https://' : 'http://';
                                        $server_port = ($board_config['server_port'] <> 80) ? ':' . trim($board_config['server_port']) . '/' : '/';

                                        $orig_word = array();
                                        $replacement_word = array();
                                        obtain_word_list($orig_word, $replacement_word);

                                        $emailer->from($board_config['board_email']);
                                        $emailer->replyto($board_config['board_email']);

                                        $topic_title = (count($orig_word)) ? preg_replace($orig_word, $replacement_word, unprepare_message($topic_title)) : unprepare_message($topic_title);

                                        @reset($bcc_list_ary);
                                        while (list($user_lang, $bcc_list) = each($bcc_list_ary))
                                        {
                                                $emailer->use_template('topic_notify', $user_lang);

                                                for ($i = 0; $i < count($bcc_list); $i++)
                                                {
                                                        $emailer->bcc($bcc_list[$i]);
                                                }

                                                // The Topic_reply_notification lang string below will be used
                                                // if for some reason the mail template subject cannot be read
                                                // ... note it will not necessarily be in the posters own language!
                                                $emailer->set_subject($lang['Topic_reply_notification']);

                                                // This is a nasty kludge to remove the username var ... till (if?)
                                                // translators update their templates
                                                $emailer->msg = preg_replace('#[ ]?{USERNAME}#', '', $emailer->msg);

                                                $emailer->assign_vars(array(
                                                        'EMAIL_SIG' => (!empty($board_config['board_email_sig'])) ? str_replace('<br />', "\n", "-- \n" . $board_config['board_email_sig']) : '',
                                                        'SITENAME' => $board_config['sitename'],
                                                        'TOPIC_TITLE' => $topic_title,

                                                        'U_TOPIC' => $server_protocol . $server_name . $server_port . $script_name . '&' . POST_POST_URL . "=$post_id#$post_id",
                                                        'U_STOP_WATCHING_TOPIC' => $server_protocol . $server_name . $server_port . $script_name . '&' . POST_TOPIC_URL . "=$topic_id&unwatch=topic")
                                                );

                                                $emailer->send();
                                                $emailer->reset();
                                        }
                                }
                        }
                        $db->sql_freeresult($result);

                        if ($update_watched_sql != '')
                        {
                                $sql = "UPDATE " . TOPICS_WATCH_TABLE . "
                                        SET notify_status = " . TOPIC_WATCH_NOTIFIED . "
                                        WHERE topic_id = '$topic_id'
                                                AND user_id IN ($update_watched_sql)";
                                $db->sql_query($sql);
                        }
                }

                $sql = "SELECT topic_id
                        FROM " . TOPICS_WATCH_TABLE . "
                        WHERE topic_id = '$topic_id'
                                AND user_id = " . $userdata['user_id'];
                if (!($result = $db->sql_query($sql)))
                {
                        message_die(GENERAL_ERROR, 'Could not obtain topic watch information', '', __LINE__, __FILE__, $sql);
                }

                $row = $db->sql_fetchrow($result);

                if (!$notify_user && !empty($row['topic_id']))
                {
                        $sql = "DELETE FROM " . TOPICS_WATCH_TABLE . "
                                WHERE topic_id = '$topic_id'
                                        AND user_id = " . $userdata['user_id'];
                        if (!$db->sql_query($sql))
                        {
                                message_die(GENERAL_ERROR, 'Could not delete topic watch information', '', __LINE__, __FILE__, $sql);
                        }
                }
                else if ($notify_user && empty($row['topic_id']))
                {
                        $sql = "INSERT INTO " . TOPICS_WATCH_TABLE . " (user_id, topic_id, notify_status)
                                VALUES (" . $userdata['user_id'] . ", '$topic_id', '0')";
                        if (!$db->sql_query($sql))
                        {
                                message_die(GENERAL_ERROR, 'Could not insert topic watch information', '', __LINE__, __FILE__, $sql);
                        }
                }
        }
}

//
// Fill smiley templates (or just the variables) with smileys
// Either in a window or inline
//
function generate_smilies($mode, $page_id)
{
        global $db, $board_config, $template, $lang, $images, $theme, $phpEx, $phpbb_root_path, $user_ip, $session_length, $starttime, $userdata;

        $inline_columns = 4;
        $inline_rows = 5;
        $window_columns = 8;

        if ($mode == 'window')
        {
                $userdata = session_pagestart($user_ip, $page_id, $nukeuser);
                init_userprefs($userdata);

                $gen_simple_header = TRUE;

                $page_title = $lang['Emoticons'] . " - $topic_title";
		if ( defined('IN_ADMIN') )
		{
			include("./page_header_admin.php");
		}
		else
		{
                include("includes/page_header_review.php");
		}

                $template->set_filenames(array(
                        'smiliesbody' => 'posting_smilies.tpl')
                );
        }

        $sql = "SELECT emoticon, code, smile_url
                FROM " . SMILIES_TABLE . "
                ORDER BY smilies_id";
        if ($result = $db->sql_query($sql))
        {
                $num_smilies = 0;
                $rowset = array();
                while ($row = $db->sql_fetchrow($result))
                {
                        if (empty($rowset[$row['smile_url']]))
                        {
                                $rowset[$row['smile_url']]['code'] = str_replace("'", "\\'", str_replace('\\', '\\\\', $row['code']));
                                $rowset[$row['smile_url']]['emoticon'] = $row['emoticon'];
                                $num_smilies++;
                        }
                }

                if ($num_smilies)
                {
                        $smilies_count = ($mode == 'inline') ? min(19, $num_smilies) : $num_smilies;
                        $smilies_split_row = ($mode == 'inline') ? $inline_columns - 1 : $window_columns - 1;

                        $s_colspan = 0;
                        $row = 0;
                        $col = 0;

                        while (list($smile_url, $data) = @each($rowset))
                        {
                                if (!$col)
                                {
                                        $template->assign_block_vars('smilies_row', array());
                                }

                                $template->assign_block_vars('smilies_row.smilies_col', array(
                                        'SMILEY_CODE' => $data['code'],
                                        'SMILEY_IMG' => $board_config['smilies_path'] . '/' . $smile_url,
                                        'SMILEY_DESC' => $data['emoticon'])
                                );

                                $s_colspan = max($s_colspan, $col + 1);

                                if ($col == $smilies_split_row)
                                {
                                        if ($mode == 'inline' && $row == $inline_rows - 1)
                                        {
                                                break;
                                        }
                                        $col = 0;
                                        $row++;
                                }
                                else
                                {
                                        $col++;
                                }
                        }

                        if ($mode == 'inline' && $num_smilies > $inline_rows * $inline_columns)
                        {
                                $template->assign_block_vars('switch_smilies_extra', array());

                                $template->assign_vars(array(
                                        'L_MORE_SMILIES' => $lang['More_emoticons'],
                                        'U_MORE_SMILIES' => append_sid("posting.$phpEx?mode=smilies&popup=1"))
                                );
                        }

                        $template->assign_vars(array(
                                'L_EMOTICONS' => $lang['Emoticons'],
                                'L_CLOSE_WINDOW' => $lang['Close_window'],
                                'S_SMILIES_COLSPAN' => $s_colspan)
                        );
                }
        }

        if ($mode == 'window')
        {
                $template->pparse('smiliesbody');

                include("includes/page_tail_review.php");
        }
}

?>
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