Last Piece Hacktivist Crew

Editing: imsg_edt.inc

<?php
/**
* copyright            : (C) 2001-2023 Advanced Internet Designs Inc.
* email                : forum@prohost.org
* $Id$
*
* 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; version 2 of the License.
**/

class fud_msg
{
	var $id, $thread_id, $poster_id, $reply_to, $ip_addr, $host_name, $post_stamp, $subject, $attach_cnt, $poll_id,
	    $update_stamp, $icon, $apr, $updated_by, $login, $length, $foff, $file_id, $msg_opt,
	    $file_id_preview, $length_preview, $offset_preview, $body, $mlist_msg_id;
}

$GLOBALS['CHARSET'] = 'utf-8';

class fud_msg_edit extends fud_msg
{
	function add_reply($reply_to, $th_id=null, $perm=0, $autoapprove=1)
	{
		if ($perm = 0) {
			$perm = 64|4096;
		}

if ($reply_to) {
			$this->reply_to = $reply_to;
			$fd = db_saq('SELECT t.forum_id, f.message_threshold, f.forum_opt FROM fud30_msg m INNER JOIN fud30_thread t ON m.thread_id=t.id INNER JOIN fud30_forum f ON f.id=t.forum_id WHERE m.id='. $reply_to);
		} else {
			$fd = db_saq('SELECT t.forum_id, f.message_threshold, f.forum_opt FROM fud30_thread t INNER JOIN fud30_forum f ON f.id=t.forum_id WHERE t.id='. $th_id);
		}

return $this->add($fd[0], $fd[1], $fd[2], $perm, $autoapprove);
	}

function add($forum_id, $message_threshold, $forum_opt, $perm, $autoapprove=1, $msg_tdescr='')
	{
		if (!$this->post_stamp) {
			$this->post_stamp = __request_timestamp__;
		}

if (!isset($this->ip_addr)) {
			$this->ip_addr = get_ip();
		}
		$this->host_name = $GLOBALS['FUD_OPT_1'] & 268435456 ? _esc(get_host($this->ip_addr)) : 'NULL';
		$this->thread_id = isset($this->thread_id) ? $this->thread_id : 0;
		$this->reply_to = isset($this->reply_to) ? $this->reply_to : 0;
		$this->subject = substr($this->subject, 0, 255);	// Subject col is VARCHAR(255).

if ($GLOBALS['FUD_OPT_3'] & 32768) {	// DB_MESSAGE_STORAGE
			$file_id = $file_id_preview = $length_preview = 0;
			$offset = $offset_preview = -1;
			$length = strlen($this->body);
		} else {
			$file_id = write_body($this->body, $length, $offset, $forum_id);

/* Determine if preview needs building. */
			if ($message_threshold && $message_threshold < strlen($this->body)) {
				$thres_body = trim_html($this->body, $message_threshold);
				$file_id_preview = write_body($thres_body, $length_preview, $offset_preview, $forum_id);
			} else {
				$file_id_preview = $offset_preview = $length_preview = 0;
			}
		}

/* Lookup country and flag. */
		if ($GLOBALS['FUD_OPT_3'] & 524288) {	// ENABLE_GEO_LOCATION.
			$flag = db_saq('SELECT cc, country FROM fud30_geoip WHERE '. sprintf('%u', 	ip2long($this->ip_addr)) .' BETWEEN ips AND ipe');
		}
		if (empty($flag)) {
			$flag = array(null, null);
		}

$this->id = db_qid('INSERT INTO fud30_msg (
			thread_id,
			poster_id,
			reply_to,
			ip_addr,
			host_name,
			post_stamp,
			subject,
			attach_cnt,
			poll_id,
			icon,
			msg_opt,
			file_id,
			foff,
			length,
			file_id_preview,
			offset_preview,
			length_preview,
			mlist_msg_id,
			poll_cache,
			flag_cc,
			flag_country
		) VALUES(
			'. $this->thread_id .',
			'. $this->poster_id .',
			'. (int)$this->reply_to .',
			\''. $this->ip_addr .'\',
			'. $this->host_name .',
			'. $this->post_stamp .',
			'. ssn($this->subject) .',
			'. (int)$this->attach_cnt .',
			'. (int)$this->poll_id .',
			'. ssn($this->icon) .',
			'. $this->msg_opt .',
			'. $file_id .',
			'. (int)$offset .',
			'. (int)$length .',
			'. $file_id_preview .',
			'. $offset_preview .',
			'. $length_preview .',
			'. ssn($this->mlist_msg_id) .',
			'. ssn(poll_cache_rebuild($this->poll_id)) .',
			'. ssn($flag[0]) .',
			'. ssn($flag[1]) .'
		)');

if ($GLOBALS['FUD_OPT_3'] & 32768) {	// DB_MESSAGE_STORAGE
			$file_id = db_qid('INSERT INTO fud30_msg_store (data) VALUES('. _esc($this->body) .')');
			if ($message_threshold && $length > $message_threshold) {
				$file_id_preview = db_qid('INSERT INTO fud30_msg_store (data) VALUES('. _esc(trim_html($this->body, $message_threshold)) .')');
			}
			q('UPDATE fud30_msg SET file_id='. $file_id .', file_id_preview='. $file_id_preview .' WHERE id='. $this->id);
		}

$thread_opt = (int) ($perm & 4096 && isset($_POST['thr_locked']));

if (!$this->thread_id) { /* New thread. */
			if ($perm & 64) {
				if (isset($_POST['thr_ordertype'], $_POST['thr_orderexpiry']) && (int)$_POST['thr_ordertype']) {
					$thread_opt |= (int)$_POST['thr_ordertype'];
					$thr_orderexpiry = (int)$_POST['thr_orderexpiry'];
				}
				if (!empty($_POST['thr_always_on_top'])) {
					$thread_opt |= 8;
				}
			}

$this->thread_id = th_add($this->id, $forum_id, $this->post_stamp, $thread_opt, (isset($thr_orderexpiry) ? $thr_orderexpiry : 0), 0, 0, 0, $msg_tdescr);

q('UPDATE fud30_msg SET thread_id='. $this->thread_id .' WHERE id='. $this->id);
		} else {
			th_lock($this->thread_id, $thread_opt & 1);
		}

if ($autoapprove && $forum_opt & 2) {
			$this->approve($this->id);
		}

return $this->id;
	}

function sync($id, $frm_id, $message_threshold, $perm, $msg_tdescr='')
	{
		$this->subject = substr($this->subject, 0, 255);	// Subject col is VARCHAR(255).

/* Determine if preview needs building. */
			if ($message_threshold && $message_threshold < strlen($this->body)) {
				$thres_body = trim_html($this->body, $message_threshold);
				$file_id_preview = write_body($thres_body, $length_preview, $offset_preview, $frm_id);
			} else {
				$file_id_preview = $offset_preview = $length_preview = 0;
			}
		}

q('UPDATE fud30_msg SET
			file_id='. $file_id .',
			foff='. (int)$offset .',
			length='. (int)$length .',
			mlist_msg_id='. ssn($this->mlist_msg_id) .',
			file_id_preview='. $file_id_preview .',
			offset_preview='. $offset_preview .',
			length_preview='. $length_preview .',
			updated_by='. $id .',
			msg_opt='. $this->msg_opt .',
			attach_cnt='. (int)$this->attach_cnt .',
			poll_id='. (int)$this->poll_id .',
			update_stamp='. __request_timestamp__ .',
			icon='. ssn($this->icon) .' ,
			poll_cache='. ssn(poll_cache_rebuild($this->poll_id)) .',
			subject='. ssn($this->subject) .'
		WHERE id='. $this->id);

if ($GLOBALS['FUD_OPT_3'] & 32768) {	// DB_MESSAGE_STORAGE
//TODO: Why DELETE? Can't we just UPDATE the DB?
			q('DELETE FROM fud30_msg_store WHERE id IN('. $this->file_id .','. $this->file_id_preview .')');
			$file_id = db_qid('INSERT INTO fud30_msg_store (data) VALUES('. _esc($this->body) .')');
			if ($message_threshold && $length > $message_threshold) {
				$file_id_preview = db_qid('INSERT INTO fud30_msg_store (data) VALUES('. _esc(trim_html($this->body, $message_threshold)) .')');
			}
			q('UPDATE fud30_msg SET file_id='. $file_id .', file_id_preview='. $file_id_preview .' WHERE id='. $this->id);
		}

/* Determine wether or not we should deal with locked & sticky stuff
		 * current approach may seem a little redundant, but for (most) users who
		 * do not have access to locking & sticky this eliminated a query.
		 */
		$th_data = db_saq('SELECT orderexpiry, thread_opt, root_msg_id, tdescr FROM fud30_thread WHERE id='. $this->thread_id);
		$locked = (int) isset($_POST['thr_locked']);
		if (isset($_POST['thr_ordertype'], $_POST['thr_orderexpiry']) || (($th_data[1] ^ $locked) & 1)) {
			$thread_opt = (int) $th_data[1];
			$orderexpiry = isset($_POST['thr_orderexpiry']) ? (int) $_POST['thr_orderexpiry'] : 0;

/* Confirm that user has ability to change lock status of the thread. */
			if ($perm & 4096) {
				if ($locked && !($thread_opt & $locked)) {
					$thread_opt |= 1;
				} else if (!$locked && $thread_opt & 1) {
					$thread_opt &= ~1;
				}
			}

/* Confirm that user has ability to change sticky status of the thread. */
			if ($th_data[2] == $this->id && isset($_POST['thr_ordertype'], $_POST['thr_orderexpiry']) && $perm & 64) {
				if (!$_POST['thr_ordertype'] && $thread_opt > 1) {
					$orderexpiry = 0;
					$thread_opt &= ~6;
				} else if ($thread_opt < 2 && (int) $_POST['thr_ordertype']) {
					$thread_opt |= $_POST['thr_ordertype'];
				} else if (!($thread_opt & (int) $_POST['thr_ordertype'])) {
					$thread_opt = $_POST['thr_ordertype'] | ($thread_opt & 1);
				}
			}

if ($perm & 64) {
				if (!empty($_POST['thr_always_on_top'])) {
					$thread_opt |= 8;
				} else {
					$thread_opt &= ~8;
				}
			}

/* Determine if any work needs to be done. */
			if ($thread_opt != $th_data[1] || $orderexpiry != $th_data[0]) {
				q('UPDATE fud30_thread SET '. ($th_data[2] == $this->id ? 'tdescr='. _esc($msg_tdescr) .',' : '') .' thread_opt='.$thread_opt.', orderexpiry='. $orderexpiry .' WHERE id='. $this->thread_id);
				/* Avoid rebuilding the forum view whenever possible, since it's a rather slow process.
				 * Only rebuild if expiry time has changed or message gained/lost sticky status.
				 */
				$diff = $thread_opt ^ $th_data[1];
				if (($diff > 1 && $diff & 14) || $orderexpiry != $th_data[0]) {
					rebuild_forum_view_ttl($frm_id);
				}
			} else if ($msg_tdescr != $th_data[3] && $th_data[2] == $this->id) {
				q('UPDATE fud30_thread SET tdescr='. _esc($msg_tdescr) .' WHERE id='. $this->thread_id);
			}
		} else if ($msg_tdescr != $th_data[3] && $th_data[2] == $this->id) {
			q('UPDATE fud30_thread SET tdescr='. _esc($msg_tdescr) .' WHERE id='. $this->thread_id);
		}

if ($GLOBALS['FUD_OPT_1'] & 16777216) {	// FORUM_SEARCH enabled? If so, reindex message.
			q('DELETE FROM fud30_index WHERE msg_id='. $this->id);
			q('DELETE FROM fud30_title_index WHERE msg_id='. $this->id);
			index_text((!strncasecmp('Re: ', $this->subject, 4) ? '' : $this->subject), $this->body, $this->id);
		}
	}

/**  Delete a message & cleanup. */
	static function delete($rebuild_view=1, $mid=0, $th_rm=0)
	{
		if (!$mid) {
			$mid = $this->id;
		}

if (!($del = db_sab('SELECT m.file_id, m.file_id_preview, m.id, m.attach_cnt, m.poll_id, m.thread_id, m.reply_to, m.apr, m.poster_id, t.replies, t.root_msg_id AS root_msg_id, t.last_post_id AS thread_lip, t.forum_id, f.last_post_id AS forum_lip 
					FROM fud30_msg m 
					LEFT JOIN fud30_thread t ON m.thread_id=t.id 
					LEFT JOIN fud30_forum f ON t.forum_id=f.id WHERE m.id='. $mid))) {
			return;
		}

if (!db_locked()) {
			db_lock('fud30_msg_store WRITE, fud30_forum f WRITE, fud30_thr_exchange WRITE, fud30_tv_'. $del->forum_id .' WRITE, fud30_tv_'. $del->forum_id .' tv WRITE, fud30_msg m WRITE, fud30_thread t WRITE, fud30_level WRITE, fud30_forum WRITE, fud30_forum_read WRITE, fud30_thread WRITE, fud30_msg WRITE, fud30_attach WRITE, fud30_poll WRITE, fud30_poll_opt WRITE, fud30_poll_opt_track WRITE, fud30_users WRITE, fud30_thread_notify WRITE, fud30_bookmarks WRITE, fud30_msg_report WRITE, fud30_thread_rate_track WRITE, fud30_index WRITE, fud30_title_index WRITE, fud30_search_cache WRITE');
			$ll = 1;
		}

q('DELETE FROM fud30_msg WHERE id='. $mid);

/* Remove attachments. */
		if ($del->attach_cnt) {
			$res = q('SELECT location FROM fud30_attach WHERE message_id='. $mid .' AND attach_opt=0');
			while ($loc = db_rowarr($res)) {
				@unlink($loc[0]);
			}
			unset($res);
			q('DELETE FROM fud30_attach WHERE message_id='. $mid .' AND attach_opt=0');
		}

/* Remove message reports. */
		q('DELETE FROM fud30_msg_report WHERE msg_id='. $mid);

/* Cleanup index entries. */
		if ($GLOBALS['FUD_OPT_1'] & 16777216) {	// FORUM_SEARCH enabled?
			q('DELETE FROM fud30_index WHERE msg_id='. $mid);
			q('DELETE FROM fud30_title_index WHERE msg_id='. $mid);
			q('DELETE FROM fud30_search_cache WHERE msg_id='. $mid);
		}

/* Remove poll. */
		if ($del->poll_id) {
			poll_delete($del->poll_id);
		}

/* Check if thread. */
		if ($del->root_msg_id == $del->id) {
			$th_rm = 1;
			/* Delete all messages in the thread if there is more than 1 message. */
			if ($del->replies) {
				$rmsg = q('SELECT id FROM fud30_msg WHERE thread_id='. $del->thread_id .' AND id != '. $del->id);
				while ($dim = db_rowarr($rmsg)) {
					fud_msg_edit::delete(0, $dim[0], 1);
				}
				unset($rmsg);
			}

q('DELETE FROM fud30_thread_notify WHERE thread_id='. $del->thread_id);
			q('DELETE FROM fud30_bookmarks WHERE thread_id='. $del->thread_id);
			q('DELETE FROM fud30_thread WHERE id='. $del->thread_id);
			q('DELETE FROM fud30_thread_rate_track WHERE thread_id='. $del->thread_id);
			q('DELETE FROM fud30_thr_exchange WHERE th='. $del->thread_id);

if ($del->apr) {
				/* We need to determine the last post id for the forum, it can be null. */
				$lpi = (int) q_singleval(q_limit('SELECT t.last_post_id FROM fud30_thread t INNER JOIN fud30_msg m ON t.last_post_id=m.id AND m.apr=1 WHERE t.forum_id='.$del->forum_id.' AND t.moved_to=0 ORDER BY m.post_stamp DESC', 1));
				q('UPDATE fud30_forum SET last_post_id='. $lpi .', thread_count=thread_count-1, post_count=post_count-'. $del->replies .'-1 WHERE id='. $del->forum_id);
			}
		} else if (!$th_rm  && $del->apr) {
			q('UPDATE fud30_msg SET reply_to='. $del->reply_to .' WHERE thread_id='. $del->thread_id .' AND reply_to='. $mid);

/* Check if the message is the last in thread. */
			if ($del->thread_lip == $del->id) {
				list($lpi, $lpd) = db_saq(q_limit('SELECT id, post_stamp FROM fud30_msg WHERE thread_id='. $del->thread_id .' AND apr=1 ORDER BY post_stamp DESC', 1));
				q('UPDATE fud30_thread SET last_post_id='. $lpi .', last_post_date='. $lpd .', replies=replies-1 WHERE id='. $del->thread_id);
			} else {
				q('UPDATE fud30_thread SET replies=replies-1 WHERE id='. $del->thread_id);
			}

/* Check if the message is the last in the forum. */
			if ($del->forum_lip == $del->id) {
				$page = q_singleval('SELECT seq FROM fud30_tv_'. $del->forum_id .' WHERE thread_id='. $del->thread_id);
				$lp = db_saq(q_limit('SELECT t.last_post_id, t.last_post_date 
					FROM fud30_tv_'. $del->forum_id .' tv
					INNER JOIN fud30_thread t ON tv.thread_id=t.id 
					WHERE tv.seq IN('. $page .','. ($page - 1) .') AND t.moved_to=0 ORDER BY t.last_post_date DESC', 1));
				if (!isset($lpd) || $lp[1] > $lpd) {
					$lpi = $lp[0];
				}
				q('UPDATE fud30_forum SET post_count=post_count-1, last_post_id='. $lpi .' WHERE id='. $del->forum_id);
			} else {
				q('UPDATE fud30_forum SET post_count=post_count-1 WHERE id='. $del->forum_id);
			}
		}

if ($del->apr) {
			if ($del->poster_id) {
				user_set_post_count($del->poster_id);
			}
			if ($rebuild_view) {
				if ($th_rm) {
					th_delete_rebuild($del->forum_id, $del->thread_id);
				} else if ($del->thread_lip == $del->id) {
					rebuild_forum_view_ttl($del->forum_id);
				}
			}
		}
		if (isset($ll)) {
			db_unlock();
		}

if ($GLOBALS['FUD_OPT_3'] & 32768) {	// DB_MESSAGE_STORAGE
			q('DELETE FROM fud30_msg_store WHERE id IN('. $del->file_id .','. $del->file_id_preview .')');
		}

if (!$del->apr || !$th_rm || ($del->root_msg_id != $del->id)) {
			return;
		}

/* Needed for moved thread pointers. */
		$r = q('SELECT forum_id, id FROM fud30_thread WHERE root_msg_id='. $del->root_msg_id);
		while (($res = db_rowarr($r))) {
			q('DELETE FROM fud30_thread WHERE id='. $res[1]);
			q('UPDATE fud30_forum SET thread_count=thread_count-1 WHERE id='. $res[0]);
			th_delete_rebuild($res[0], $res[1]);
		}
		unset($r);
	}

static function approve($id)
	{
		/* Fetch info about the message, poll (if one exists), thread & forum. */
		$mtf = db_sab('SELECT /* USE MASTER */
					m.id, m.poster_id, m.apr, m.subject, m.foff, m.length, m.file_id, m.thread_id, m.poll_id, m.attach_cnt,
					m.post_stamp, m.reply_to, m.mlist_msg_id, m.msg_opt,
					t.forum_id, t.last_post_id, t.root_msg_id, t.last_post_date, t.thread_opt,
					m2.post_stamp AS frm_last_post_date,
					f.name AS frm_name, f.forum_opt,
					u.alias, u.email, u.sig, u.name as real_name,
					n.id AS nntp_id, ml.id AS mlist_id
				FROM fud30_msg m
				INNER JOIN fud30_thread t ON m.thread_id=t.id
				INNER JOIN fud30_forum f ON t.forum_id=f.id
				LEFT JOIN fud30_msg m2 ON f.last_post_id=m2.id
				LEFT JOIN fud30_users u ON m.poster_id=u.id
				LEFT JOIN fud30_mlist ml ON ml.forum_id=f.id AND '. q_bitand('ml.mlist_opt', 2) .' > 0
				LEFT JOIN fud30_nntp n ON n.forum_id=f.id AND '. q_bitand('n.nntp_opt', 2) .' > 0
				WHERE m.id='. $id .' AND m.apr=0');

/* Nothing to do or bad message id. */
		if (!$mtf) {
			return;
		}

if ($mtf->alias) {
			$mtf->alias = reverse_fmt($mtf->alias);
		} else {
			$mtf->alias = $GLOBALS['ANON_NICK'];
		}

q('UPDATE fud30_msg SET apr=1 WHERE id='.$mtf->id);

if ($mtf->poster_id) {
			user_set_post_count($mtf->poster_id);
		}

if ($mtf->post_stamp > $mtf->frm_last_post_date) {
			$mtf->last_post_id = $mtf->id;
		}

if ($mtf->root_msg_id == $mtf->id) {	/* New thread. */
			th_new_rebuild($mtf->forum_id, $mtf->thread_id, $mtf->thread_opt & (2|4|8));
			$threads = 1;
		} else {				/* Reply to thread. */
			if ($mtf->post_stamp > $mtf->last_post_date) {
				th_inc_post_count($mtf->thread_id, 1, $mtf->id, $mtf->post_stamp);
			} else {
				th_inc_post_count($mtf->thread_id, 1);
			}
			th_reply_rebuild($mtf->forum_id, $mtf->thread_id, $mtf->thread_opt & (2|4|8));
			$threads = 0;
		}

/* Update forum thread & post count as well as last_post_id field. */
		q('UPDATE fud30_forum SET post_count=post_count+1, thread_count=thread_count+'. $threads .', last_post_id='. $mtf->last_post_id .' WHERE id='. $mtf->forum_id);

if ($mtf->poll_id) {
			poll_activate($mtf->poll_id, $mtf->forum_id);
		}

$mtf->body = read_msg_body($mtf->foff, $mtf->length, $mtf->file_id);

if ($GLOBALS['FUD_OPT_1'] & 16777216) {	// FORUM_SEARCH enabled?
			index_text((strncasecmp($mtf->subject, 'Re: ', 4) ? $mtf->subject : ''), $mtf->body, $mtf->id);
		}

/* Handle notifications. */
		if (!($GLOBALS['FUD_OPT_3'] & 1048576)) {	// not DISABLE_NOTIFICATION_EMAIL
			if ($mtf->root_msg_id == $mtf->id || $GLOBALS['FUD_OPT_3'] & 16384) {	// FORUM_NOTIFY_ALL
				if (empty($mtf->frm_last_post_date)) {
					$mtf->frm_last_post_date = 0;
				}

/* Send new thread notifications to forum subscribers. */
				$to = db_all('SELECT u.email
						FROM fud30_forum_notify fn
						INNER JOIN fud30_users u ON fn.user_id=u.id AND '. q_bitand('u.users_opt', 134217728) .' = 0
						INNER JOIN fud30_group_cache g1 ON g1.user_id=2147483647 AND g1.resource_id='. $mtf->forum_id .
						($GLOBALS['FUD_OPT_3'] & 64 ? ' LEFT JOIN fud30_forum_read r ON r.forum_id=fn.forum_id AND r.user_id=fn.user_id ' : '').
						' LEFT JOIN fud30_group_cache g2 ON g2.user_id=fn.user_id AND g2.resource_id='. $mtf->forum_id .
						' LEFT JOIN fud30_mod mm ON mm.forum_id='. $mtf->forum_id .' AND mm.user_id=u.id
					WHERE
						fn.forum_id='. $mtf->forum_id .' AND fn.user_id!='. (int)$mtf->poster_id .
						($GLOBALS['FUD_OPT_3'] & 64 ? ' AND (CASE WHEN (r.last_view IS NULL AND (u.last_read=0 OR u.last_read >= '. $mtf->frm_last_post_date .')) OR r.last_view > '. $mtf->frm_last_post_date .' THEN 1 ELSE 0 END)=1 ' : '').
						' AND ('. q_bitand('COALESCE(g2.group_cache_opt, g1.group_cache_opt)', 2) .' > 0 OR '. q_bitand('u.users_opt', 1048576) .' > 0 OR mm.id IS NOT NULL)'.
						' AND '. q_bitand('u.users_opt', 65536) .' = 0');
				if ($GLOBALS['FUD_OPT_3'] & 16384) {
					$notify_type = 'thr';
				} else {
					$notify_type = 'frm';
				}
			} else {
				$to = array();
			}
			if ($mtf->root_msg_id != $mtf->id) {
				/* Send new reply notifications to thread subscribers. */
				$tmp = db_all('SELECT u.email
						FROM fud30_thread_notify tn
						INNER JOIN fud30_users u ON tn.user_id=u.id AND '. q_bitand('u.users_opt', 134217728) .' = 0
						INNER JOIN fud30_group_cache g1 ON g1.user_id=2147483647 AND g1.resource_id='. $mtf->forum_id .
						($GLOBALS['FUD_OPT_3'] & 64 ? ' LEFT JOIN fud30_read r ON r.thread_id=tn.thread_id AND r.user_id=tn.user_id ' : '').
						' LEFT JOIN fud30_group_cache g2 ON g2.user_id=tn.user_id AND g2.resource_id='. $mtf->forum_id .
						' LEFT JOIN fud30_mod mm ON mm.forum_id='. $mtf->forum_id .' AND mm.user_id=u.id
					WHERE
						tn.thread_id='. $mtf->thread_id .' AND tn.user_id!='. (int)$mtf->poster_id .
						($GLOBALS['FUD_OPT_3'] & 64 ? ' AND (r.msg_id='. $mtf->last_post_id .' OR (r.msg_id IS NULL AND '. $mtf->post_stamp .' > u.last_read)) ' : '').
						' AND ('. q_bitand('COALESCE(g2.group_cache_opt, g1.group_cache_opt)', 2) .' > 0 OR '. q_bitand('u.users_opt', 1048576) .' > 0 OR mm.id IS NOT NULL)'.
						' AND '. q_bitand('u.users_opt', 65536) .' = 0');
				$to = !$to ? $tmp : array_unique(array_merge($to, $tmp));
				$notify_type = 'thr';
			}

if ($mtf->forum_opt & 64) {	// always_notify_mods
				$tmp = db_all('SELECT u.email FROM fud30_mod mm INNER JOIN fud30_users u ON u.id=mm.user_id WHERE mm.forum_id='. $mtf->forum_id);
				$to = !$to ? $tmp : array_unique(array_merge($to, $tmp));
			}

if ($to) {
				send_notifications($to, $mtf->id, $mtf->subject, $mtf->alias, $notify_type, ($notify_type == 'thr' ? $mtf->thread_id : $mtf->forum_id), $mtf->frm_name, $mtf->forum_id);
			}
		}

// Handle Mailing List and/or Newsgroup syncronization.
		if (($mtf->nntp_id || $mtf->mlist_id) && !$mtf->mlist_msg_id) {
			fud_use('email_msg_format.inc', 1);

$from = $mtf->poster_id ? reverse_fmt($mtf->real_name) .' <'. $mtf->email .'>' : $GLOBALS['ANON_NICK'] .' <'. $GLOBALS['NOTIFY_FROM'] .'>';
			$body = $mtf->body . (($mtf->msg_opt & 1 && $mtf->sig) ? "\n-- \n" . $mtf->sig : '');
			$body = plain_text($body, '<cite>', '</cite><blockquote>', '</blockquote>');
			$mtf->subject = reverse_fmt($mtf->subject);

if ($mtf->reply_to) {
				// Get the parent message's Message-ID:
				if ( !($replyto_id = q_singleval('SELECT mlist_msg_id FROM fud30_msg WHERE id='. $mtf->reply_to))) {
					fud_logerror('WARNING: Send reply with no Message-ID. The import script is not running or may be lagging.', 'fud_errors');
				}
			} else {
				$replyto_id = 0;
			}

if ($mtf->attach_cnt) {
				$r = uq('SELECT a.id, a.original_name, COALESCE(m.mime_hdr, \'application/octet-stream\')
						FROM fud30_attach a
						LEFT JOIN fud30_mime m ON a.mime_type=m.id
						WHERE a.message_id='. $mtf->id .' AND a.attach_opt=0');
				while ($ent = db_rowarr($r)) {
					$attach[$ent[1]] = file_get_contents($GLOBALS['FILE_STORE'] . $ent[0] .'.atch');
					$attach_mime[$ent[1]] = $ent[2];
				}
				unset($r);
			} else {
				$attach_mime = $attach = null;
			}

if ($mtf->nntp_id) {	// Push out to usenet group.
				fud_use('nntp.inc', true);

$nntp_adm = db_sab('SELECT * FROM fud30_nntp WHERE id='. $mtf->nntp_id);
				if (!empty($nntp_adm->custom_sig)) {	// Add signature marker.
					$nntp_adm->custom_sig = "\n-- \n". $nntp_adm->custom_sig;
				}

$nntp = new fud_nntp;
				$nntp->server    = $nntp_adm->server;
				$nntp->newsgroup = $nntp_adm->newsgroup;
				$nntp->port      = $nntp_adm->port;
				$nntp->timeout   = $nntp_adm->timeout;
				$nntp->nntp_opt  = $nntp_adm->nntp_opt;
				$nntp->user      = $nntp_adm->login;
				$nntp->pass      = $nntp_adm->pass;

define('sql_p', 'fud30_');

$lock = $nntp->get_lock();
				$nntp->post_message($mtf->subject, $body . $nntp_adm->custom_sig, $from, $mtf->id, $replyto_id, $attach, $attach_mime);
				$nntp->close_connection();
				$nntp->release_lock($lock);
			} else {	// Push out to mailing list.
				fud_use('mlist_post.inc', true);

$r = db_saq('SELECT name, additional_headers, custom_sig, fixed_from_address FROM fud30_mlist WHERE id='. $mtf->mlist_id);
				
				// Add forum's signature to the messages.
				if (!empty($r[2])) {
					$body .= "\n-- \n". $r[2];
				}

if (!empty($r[3])) {	// Use the forum's fixed "From:" address.
					mail_list_post($r[0], $r[3], $mtf->subject, $body, $mtf->id, $replyto_id, $attach, $attach_mime, $r[1]);
				} else {				// Use poster's e-mail as the "From" address.
					mail_list_post($r[0], $from, $mtf->subject, $body, $mtf->id, $replyto_id, $attach, $attach_mime, $r[1]);
				}
			}
		}

// Message Approved plugins.
		if (defined('plugins')) {
			plugin_call_hook('POST_APPROVE', $mtf);
		}
	}
}

function write_body($data, &$len, &$offset, $fid)
{
	$MAX_FILE_SIZE = 2140000000;

$len = strlen($data);
	$i = 1;

db_lock('fud30_fl_'. $fid .' WRITE');

$s = $fid * 10000;
	$e = $s + 100;
	
	while ($s < $e) {
		$fp = fopen($GLOBALS['MSG_STORE_DIR'] .'msg_'. $s, 'ab');
		if (!$fp) {
			exit('FATAL ERROR: could not open message store for forum id#'. $s ."<br />\n");
		}
		fseek($fp, 0, SEEK_END);
		if (!($off = ftell($fp))) {
			$off = __ffilesize($fp);
		}
		if (!$off || ($off + $len) < $MAX_FILE_SIZE) {
			break;
		}
		fclose($fp);
		$s++;
	}

if (fwrite($fp, $data) !== $len) {
		if ($fid) {
			db_unlock();
		}
		exit("FATAL ERROR: system has ran out of disk space.<br />\n");
	}
	fclose($fp);

db_unlock();

if (!$off) {
		@chmod('msg_'. $s, ($GLOBALS['FUD_OPT_2'] & 8388608 ? 0600 : 0644));
	}
	$offset = $off;

return $s;
}

function trim_html($str, $maxlen)
{
	$n = strlen($str);
	$ln = 0;
	$tree = array();
	for ($i = 0; $i < $n; $i++) {
		if ($str[$i] != '<') {
			$ln++;
			if ($ln > $maxlen) {
				break;
			}
			continue;
		}

if (($p = strpos($str, '>', $i)) === false) {
			break;
		}

for ($k = $i; $k < $p; $k++) {
			switch ($str[$k]) {
				case ' ':
				case "\r":
				case "\n":
				case "\t":
				case '>':
					break 2;
			}
		}

if ($str[$i+1] == '/') {
			$tagname = strtolower(substr($str, $i+2, $k-$i-2));
			if (@end($tagindex[$tagname])) {
				$k = key($tagindex[$tagname]);
				unset($tagindex[$tagname][$k], $tree[$k]);
			}
		} else {
			$tagname = strtolower(substr($str, $i+1, $k-$i-1));
			switch ($tagname) {
				case 'br':
				case 'img':
				case 'meta':
					break;
				default:
					$tree[] = $tagname;
					end($tree);
					$tagindex[$tagname][key($tree)] = 1;
			}
		}
		$i = $p;
	}

$data = substr($str, 0, $i);
	if ($tree) {
		foreach (array_reverse($tree) as $v) {
			$data .= '</'. $v .'>';
		}
	}

return $data;
}

if ($GLOBALS['FUD_OPT_2'] & 32768 && defined('_rsid')) {
		$pfx = str_repeat('/', substr_count(_rsid, '/'));
	}

// Remove all JavaScript. Spam filters like SpamAssassin don't like them.
	return preg_replace('#<script[^>]*>.*?</script>#is', '', '<!DOCTYPE html>
<html lang="en" dir="ltr">
<head>
<meta charset="utf-8">
<meta name=viewport content="width=device-width, initial-scale=1">
<title>'.$GLOBALS['FORUM_TITLE'].$TITLE_EXTRA.'</title>
<script src="[[relativeurl]]/js/lib.js"></script>
<script async src="[[relativeurl]]/js/jquery.js"></script>
<script async src="[[relativeurl]]/js/ui/jquery-ui.js"></script>
<link rel="stylesheet" href="[[relativeurl]]/theme/default/forum.css" />
</head>
<body>
<div class="content">
<table cellspacing="1" cellpadding="2" class="ContentTable">
<tr class="RowStyleB">
	<td width="33%"><b>Subject:</b> '.$obj->subject.'</td>
	<td width="33%"><b>Author:</b> '.$obj->alias.'</td>
	<td width="33%"><b>Date:</b> '.print_date('%a, %d %B %Y %H:%M', $obj->post_stamp).'</td>
</tr>
<tr class="RowStyleA">
	<td colspan="3">
		'.$iemail_poll.'
		'.$body.'
		'.$iemail_attach.'
	</td>
</tr>
<tr class="RowStyleB">
	<td colspan="3">
		[ <a href="[[softurl]]/index.php?t=post&reply_to='.$obj->id.'">Reply</a> ][ <a href="[[softurl]]/index.php?t=post&reply_to='.$obj->id.'&quote=true">Quote</a> ][ <a href="[[softurl]]/index.php?t=rview&goto='.$obj->id.'#msg_'.$obj->id.'">View Topic/Message</a> ]'.$iemail_unsub.'
	</td>
</tr>
</table>
</div>
</body></html>');
}

function poll_cache_rebuild($poll_id)
{
	if (!$poll_id) {
		return;
	}

$data = array();
	$c = uq('SELECT id, name, votes FROM fud30_poll_opt WHERE poll_id='. $poll_id);
	while ($r = db_rowarr($c)) {
		$data[$r[0]] = array($r[1], $r[2]);
	}
	unset($c);

if ($data) {
		return serialize($data);
	} else {
		return;
	}
}

function send_notifications($to, $msg_id, $thr_subject, $poster_login, $id_type, $id, $frm_name, $frm_id)
{
	if (!$to) {
		return;
	}

$goto_url['email'] = ''.$GLOBALS['WWW_ROOT'].'?t=rview&goto='. $msg_id .'#msg_'. $msg_id;
	$CHARSET = $GLOBALS['CHARSET'];
	if ($GLOBALS['FUD_OPT_2'] & 64) {	// NOTIFY_WITH_BODY
		$munge_newlines = 0;
		$obj = db_sab('SELECT p.total_votes, p.name AS poll_name, m.reply_to, m.subject, m.id, m.post_stamp, m.poster_id, m.foff, m.length, m.file_id, u.alias, m.attach_cnt, m.attach_cache, m.poll_cache FROM fud30_msg m LEFT JOIN fud30_users u ON m.poster_id=u.id LEFT JOIN fud30_poll p ON m.poll_id=p.id WHERE m.id='. $msg_id .' AND m.apr=1');

if (!$obj->alias) { /* anon user */
			$obj->alias = htmlspecialchars($GLOBALS['ANON_NICK']);
		}

$headers  = "MIME-Version: 1.0\r\n";
		if ($obj->reply_to) {
			$headers .= 'In-Reply-To: '. $obj->reply_to ."\r\n";
		}
		$headers .= 'List-Id: '. $frm_id .'.'. (isset($_SERVER['SERVER_NAME']) ? $_SERVER['SERVER_NAME'] : 'localhost') ."\r\n";
		$split = get_random_value(128);
		$headers .= "Content-Type: multipart/alternative;\n  boundary=\"------------". $split ."\"\r\n";
		$boundry = "\r\n--------------". $split ."\r\n";

$pfx = '';
		if ($GLOBALS['FUD_OPT_2'] & 32768 && !empty($_SERVER['PATH_INFO'])) {
			if ($GLOBALS['FUD_OPT_1'] & 128) {
				$pfx .= '0/';
			}
			if ($GLOBALS['FUD_OPT_2'] & 8192) {
				$pfx .= '0/';
			}
		}

$plain_text = read_msg_body($obj->foff, $obj->length, $obj->file_id);
		$iemail_unsub = html_entity_decode($id_type == 'thr' ? '[ <a href="[[softurl]]/index.php?t=rview&th='.$id.'">Unsubscribe from this topic</a> ]' : '[ <a href="[[softurl]]/index.php?t=rview&frm_id='.$id.'">Unsubscribe from this forum</a> ]');

$body_email = $boundry .'Content-Type: text/plain; charset='. $CHARSET ."; format=flowed\r\nContent-Transfer-Encoding: 8bit\r\n\r\n" . html_entity_decode(strip_tags($plain_text)) . "\r\n\r\n" . html_entity_decode('To participate in the discussion, go here:') .' '. ''.$GLOBALS['WWW_ROOT'].'?t=rview&'. ($id_type == 'thr' ? 'th' : 'frm_id') .'='. $id ."\r\n".
				$boundry .'Content-Type: text/html; charset='. $CHARSET ."\r\nContent-Transfer-Encoding: 8bit\r\n\r\n". make_email_message($plain_text, $obj, $iemail_unsub) ."\r\n". substr($boundry, 0, -2) ."--\r\n";
	} else {
		$munge_newlines = 1;
		$headers = '';
	}

$thr_subject = reverse_fmt($thr_subject);
	$poster_login = reverse_fmt($poster_login);

if ($id_type == 'thr') {
		$subj = html_entity_decode('New reply to '.$thr_subject.' by '.$poster_login.'');

if (!isset($body_email)) {
			$unsub_url['email'] = ''.$GLOBALS['WWW_ROOT'].'?t=rview&th='. $id .'&notify=1&opt=off';
			$body_email = html_entity_decode('To view unread replies go to '.$goto_url['email'].'\n\nIf you do not wish to receive further notifications about replies in this topic, please go here: '.$unsub_url['email'].'');
		}
	} else if ($id_type == 'frm') {
		$frm_name = reverse_fmt($frm_name);

$subj = html_entity_decode('New topic in forum '.$frm_name.', called '.$thr_subject.', by '.$poster_login.'');

if (!isset($body_email)) {
			$unsub_url['email'] = ''.$GLOBALS['WWW_ROOT'].'?t=rview&unsub=1&frm_id='. $id;
			$body_email = html_entity_decode('To view the topic go to:\n'.$goto_url['email'].'\n\nTo stop receiving notifications about new topics in this forum, please go here: '.$unsub_url['email'].'');
		}
	}

send_email($GLOBALS['NOTIFY_FROM'], $to, $subj, $body_email, $headers, $munge_newlines);
}
?>

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