<?php
/***************************************************************************
* copyright            : (C) 2001-2003 Advanced Internet Designs Inc.
* email                : forum@prohost.org
* $Id: postcheck.inc.t,v 1.1.1.1 2003/10/17 21:11:25 ralfbecker 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.
***************************************************************************/

$GLOBALS['__error__'] = 0;

function set_err($err, $msg)
{
	$GLOBALS['__err_msg__'][$err] = $msg;
	$GLOBALS['__error__'] = 1;
}

function is_post_error()
{
	return $GLOBALS['__error__'];
}

function get_err($err, $br=0)
{
	if(isset($err) && isset($GLOBALS['__err_msg__'][$err])) {
		return ($br ? '{TEMPLATE: post_error_breakback}' : '{TEMPLATE: post_error_breakfront}');
	}
}

function post_check_images()
{
	if ($GLOBALS['MAX_IMAGE_COUNT'] && $GLOBALS['MAX_IMAGE_COUNT'] < count_images($_POST['msg_body'])) {
		return -1;
	}

	return 0;
}

function check_post_form()
{
	/* make sure we got a valid subject */
	if (!strlen(trim($_POST['msg_subject']))) {
		set_err('msg_subject', '{TEMPLATE: postcheck_subj_needed}');
	}

	/* make sure the number of images [img] inside the body do not exceed the allowed limit */
	if (post_check_images()) {
		set_err('msg_body', '{TEMPLATE: postcheck_max_images_err}');
	}

	return $GLOBALS['__error__'];
}

function check_ppost_form($msg_subject)
{
	if (!strlen(trim($msg_subject))) {
		set_err('msg_subject', '{TEMPLATE: postcheck_subj_needed}');
	}

	if (post_check_images()) {
		set_err('msg_body', '{TEMPLATE: postcheck_max_images_err}');
	}
	$list = explode(';', $_POST['msg_to_list']);
	foreach($list as $v) {
		$v = trim($v);
		if (strlen($v)) {
			if (!($obj = db_sab('SELECT u.users_opt, u.id, ui.ignore_id FROM {SQL_TABLE_PREFIX}users u LEFT JOIN {SQL_TABLE_PREFIX}user_ignore ui ON ui.user_id=u.id AND ui.ignore_id='._uid.' WHERE u.alias='.strnull(addslashes(htmlspecialchars($v)))))) {
				set_err('msg_to_list', '{TEMPLATE: postcheck_no_such_user}');
				break;
			}
			if (!empty($obj->ignore_id)) {
				set_err('msg_to_list', '{TEMPLATE: postcheck_ignored}');
				break;
			} else if (!($obj->users_opt & 32) && !($GLOBALS['usr']->users_opt & 1048576)) {
				set_err('msg_to_list', '{TEMPLATE: postcheck_pm_disabled}');
				break;
			} else {
				$GLOBALS['recv_user_id'][] = $obj->id;
			}
		}
	}

	if (empty($_POST['msg_to_list'])) {
		set_err('msg_to_list', '{TEMPLATE: postcheck_no_recepient}');
	}

	return $GLOBALS['__error__'];
}

function check_femail_form()
{
	if (empty($_POST['femail']) || validate_email($_POST['femail'])) {
		set_err('femail', '{TEMPLATE: postcheck_invalid_email}');
	}
	if (empty($_POST['subj'])) {
		set_err('subj', '{TEMPLATE: postcheck_email_subject}');
	}
	if (empty($_POST['body'])) {
		set_err('body', '{TEMPLATE: postcheck_email_body}');
	}

	return $GLOBALS['__error__'];
}

function count_images($text)
{
	$text = strtolower($text);
	$a = substr_count($text, '[img]');
	$b = substr_count($text, '[/img]');

	return (($a > $b) ? $b : $a);
}
?>